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author | Alexandre Oliva <aoliva@redhat.com> | 2010-06-21 00:23:06 +0000 |
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committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2010-06-21 00:23:06 +0000 |
commit | 339325b30301c66ae49cefe390585530110befc9 (patch) | |
tree | 10127b0ac2c8329bd4281e72b0dc157bd8f3d8b7 /contrib | |
parent | 6122686d1336afd10254c45e7fc8f27fb99598da (diff) | |
download | gcc-339325b30301c66ae49cefe390585530110befc9.zip gcc-339325b30301c66ae49cefe390585530110befc9.tar.gz gcc-339325b30301c66ae49cefe390585530110befc9.tar.bz2 |
compare-debug: Drop LTO sections.
contrib/ChangeLog:
* compare-debug: Drop LTO sections.
config/ChangeLog:
* bootstrap-lto.mk: New.
gcc/ChangeLog:
* doc/install.texi: Document bootstrap-lto.
From-SVN: r161061
Diffstat (limited to 'contrib')
-rw-r--r-- | contrib/ChangeLog | 4 | ||||
-rwxr-xr-x | contrib/compare-debug | 24 |
2 files changed, 20 insertions, 8 deletions
diff --git a/contrib/ChangeLog b/contrib/ChangeLog index 5037767..1227153 100644 --- a/contrib/ChangeLog +++ b/contrib/ChangeLog @@ -1,3 +1,7 @@ +2010-06-20 Alexandre Oliva <aoliva@redhat.com> + + * compare-debug: Drop LTO sections. + 2010-06-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> * gcc_update: Support updating a git clone. diff --git a/contrib/compare-debug b/contrib/compare-debug index 98c80f9..820721c 100755 --- a/contrib/compare-debug +++ b/contrib/compare-debug @@ -100,9 +100,11 @@ else done # If we found .eh_frame in one but not the other, or if we could not - # find a command to tell, try to strip off the .eh_frame section - # from both. - if test "x$cmp1" != "x$cmp2" || test "x$cmd" = "x"; then + # find a command to tell, or if there are LTO sections, try to strip + # off the .eh_frame and LTO sections from both. + if test "x$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. @@ -115,21 +117,27 @@ else trap 'rm -f "$1.$suf1" "$2.$suf2" "$1.$suf3" "$2.$suf4"' 0 1 2 15 - echo stripping off .eh_frame, then retrying >&2 + 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 --remove-section .eh_frame --remove-section .rel.eh_frame --remove-section .rela.eh_frame "$1.$suf1" "$1.$suf3" + objcopy $rsopts "$1.$suf1" "$1.$suf3" mv "$1.$suf3" "$1.$suf1" - objcopy --remove-section .eh_frame --remove-section .rel.eh_frame --remove-section .rela.eh_frame "$2.$suf2" "$2.$suf4" + 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 --remove-section .eh_frame --remove-section .rel.eh_frame --remove-section .rela.eh_frame "$1.$suf3" + strip $rsopts "$1.$suf3" mv "$1.$suf3" "$1.$suf1" cp "$2.$suf2" "$2.$suf4" - strip --remove-section .eh_frame --remove-section .rel.eh_frame --remove-section .rela.eh_frame "$2.$suf4" + strip $rsopts "$2.$suf4" mv "$2.$suf4" "$2.$suf2" else echo failed to strip off .eh_frame >&2 |