diff options
-rw-r--r-- | contrib/ChangeLog | 6 | ||||
-rwxr-xr-x | contrib/compare-debug | 24 |
2 files changed, 30 insertions, 0 deletions
diff --git a/contrib/ChangeLog b/contrib/ChangeLog index 383e5765a68..c1e34999846 100644 --- a/contrib/ChangeLog +++ b/contrib/ChangeLog @@ -1,3 +1,9 @@ +2012-05-25 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/53472 + * contrib/compare-debug (remove_comment): New function. + Remove any .comment sections if the first cmp failed. + 2012-05-09 David Edelsohn <dje.gcc@gmail.com> * gcc_update: Use $GCC_SVN to retrieve branch and revision. diff --git a/contrib/compare-debug b/contrib/compare-debug index 010d17f9c69..fb8986dedfd 100755 --- a/contrib/compare-debug +++ b/contrib/compare-debug @@ -73,11 +73,35 @@ Darwin) ;; 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 |