diff options
Diffstat (limited to 'gcc-4.8/contrib/compare-debug')
| -rwxr-xr-x | gcc-4.8/contrib/compare-debug | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/gcc-4.8/contrib/compare-debug b/gcc-4.8/contrib/compare-debug deleted file mode 100755 index 22870cf8e..000000000 --- a/gcc-4.8/contrib/compare-debug +++ /dev/null @@ -1,194 +0,0 @@ -#! /bin/sh - -# Compare stripped copies of two given object files. - -# Copyright (C) 2007, 2008, 2009, 2010, 2012 Free Software Foundation -# Originally by Alexandre Oliva <aoliva@redhat.com> - -# This file is part of GCC. - -# GCC is free software; you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free -# Software Foundation; either version 3, or (at your option) any later -# version. - -# GCC is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -# License for more details. - -# You should have received a copy of the GNU General Public License -# along with GCC; see the file COPYING3. If not see -# <http://www.gnu.org/licenses/>. - -rm='rm -f' - -case $1 in --p | --preserve) - rm='echo preserving' - shift - ;; -esac - -if test $# != 2; then - echo 'usage: compare-debug file1.o file2.o' >&2 - exit 1 -fi - -if test ! -f "$1"; then - echo "$1" does not exist >&2 - exit 1 -fi - -if test ! -f "$2"; then - echo "$2" does not exist >&2 - exit 1 -fi - -suf1=stripped -while test -f "$1.$suf1"; do - suf1=$suf1. -done - -suf2=stripped -while test -f "$2.$suf2"; do - suf2=$suf2. -done - -trap 'rm -f "$1.$suf1" "$2.$suf2"' 0 1 2 15 - -case `uname -s` in -Darwin) - # The strip command on darwin does not remove all debug info. - # Fortunately, we can use ld to do it instead. - ld -S -r -no_uuid "$1" -o "$1.$suf1" - ld -S -r -no_uuid "$2" -o "$2.$suf2" - ;; -*) - cp "$1" "$1.$suf1" - strip "$1.$suf1" - - cp "$2" "$2.$suf2" - strip "$2.$suf2" - ;; -esac - -remove_comment () -{ - file=$1 - opts= - for s in `objdump --section-headers "$file" | awk '{ print $2 }'`; do - case "$s" in - .comment*) - opts="$opts --remove-section $s" - ;; - esac - done - [ -n "$opts" ] && objcopy $opts $file -} - -if cmp "$1.$suf1" "$2.$suf2"; then - status=0 -else - status=1 - - # Remove any .comment sections. - if (objcopy -v) 2>&1 | grep ' --remove-section' > /dev/null \ - && (objdump --help) 2>&1 | grep ' --\[*section-\]*headers' > /dev/null; then - remove_comment "$1.$suf1" - remove_comment "$2.$suf2" - if cmp "$1.$suf1" "$2.$suf2"; then - status=0 - fi - fi - - # Assembler-generated CFI will add an .eh_frame section for -g not - # present in -g0. Try to cope with it by checking that an .eh_frame - # section is present in either object file, and then stripping it - # off before re-comparing. - - cmd= - cmp1= - cmp2= - - for t in objdump readelf eu-readelf; do - if ($t --help) 2>&1 | grep ' --\[*section-\]*headers' > /dev/null; then - cmd=$t - - $cmd --section-headers "$1.$suf1" | grep '\.eh_frame' > /dev/null - cmp1=$? - - $cmd --section-headers "$2.$suf2" | grep '\.eh_frame' > /dev/null - cmp2=$? - - break - fi - done - - # If we found .eh_frame in one but not the other, or if we could not - # find a command to tell, or if there are LTO sections, try to strip - # off the .eh_frame and LTO sections from both. - if test "x$cmp1" != "x$cmp2" || test "x$cmd" = "x" || - $cmd --section-headers "$1.$suf1" | grep '.gnu.lto_' > /dev/null || - $cmd --section-headers "$2.$suf2" | grep '.gnu.lto_' > /dev/null ; then - suf3=$suf1. - while test -f "$1.$suf3"; do - suf3=$suf3. - done - - suf4=$suf2. - while test -f "$2.$suf4"; do - suf4=$suf4. - done - - trap 'rm -f "$1.$suf1" "$2.$suf2" "$1.$suf3" "$2.$suf4"' 0 1 2 15 - - echo stripping off .eh_frame and LTO sections, then retrying >&2 - - seclist=".eh_frame .rel.eh_frame .rela.eh_frame" - if test "x$cmd" != "x"; then - seclist="$seclist "`{ $cmd --section-headers "$1.$suf1"; $cmd --section-headers "$2.$suf2"; } | sed -n 's,.* \(\.gnu\.lto_[^ ]*\).*,\1,p' | sort -u` - fi - rsopts=`for sec in $seclist; do echo " --remove-section $sec"; done` - - if (objcopy -v) 2>&1 | grep ' --remove-section' > /dev/null; then - objcopy $rsopts "$1.$suf1" "$1.$suf3" - mv "$1.$suf3" "$1.$suf1" - - objcopy $rsopts "$2.$suf2" "$2.$suf4" - mv "$2.$suf4" "$2.$suf2" - elif (strip --help) 2>&1 | grep ' --remove-section' > /dev/null; then - cp "$1.$suf1" "$1.$suf3" - strip $rsopts "$1.$suf3" - mv "$1.$suf3" "$1.$suf1" - - cp "$2.$suf2" "$2.$suf4" - strip $rsopts "$2.$suf4" - mv "$2.$suf4" "$2.$suf2" - else - echo failed to strip off .eh_frame >&2 - fi - - trap 'rm -f "$1.$suf1" "$2.$suf2"' 0 1 2 15 - - if cmp "$1.$suf1" "$2.$suf2"; then - status=0 - else - status=1 - fi - fi -fi - -$rm "$1.$suf1" "$2.$suf2" - -trap "exit $status; exit" 0 1 2 15 - -if test -f "$1".gkd || test -f "$2".gkd; then - if cmp "$1".gkd "$2".gkd; then - : - else - status=$? - fi -fi - -exit $status |