diff options
Diffstat (limited to 'debug/catchsegv.sh')
| -rwxr-xr-x | debug/catchsegv.sh | 51 |
1 files changed, 34 insertions, 17 deletions
diff --git a/debug/catchsegv.sh b/debug/catchsegv.sh index 26407a7ae6..48c447b039 100755 --- a/debug/catchsegv.sh +++ b/debug/catchsegv.sh @@ -19,9 +19,14 @@ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, # Boston, MA 02111-1307, USA. +if test $# -eq 0; then + echo "$0: missing programm name" >&2 + echo "Try \`$0 --help' for more information." >&2 + exit 1 +fi + prog="$1" shift -args="$*" if test $# -eq 0; then case "$prog" in @@ -45,31 +50,43 @@ Written by Ulrich Drepper.' esac fi -LD_PRELOAD="${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so@SOVER@" -export LD_PRELOAD -SEGFAULT_USE_ALTSTACK=1 -export SEGFAULT_USE_ALTSTACK -SEGFAULT_OUTPUT_NAME="${TMPDIR:-/tmp}/`basename $prog`.segv.$$" -export SEGFAULT_OUTPUT_NAME +segv_output=`basename "$prog"`.segv.$$ -$prog $args +LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so \ +SEGFAULT_USE_ALTSTACK=1 \ +SEGFAULT_OUTPUT_NAME=$segv_output \ +"$prog" ${1+"$@"} exval=$? -unset LD_PRELOAD -# Check for an segmentation error. -if test $exval -eq 139; then +# Check for a segmentation error. +if test $exval -eq 139 && test -f "$segv_output"; then # We caught a segmentation error. The output is in the file with the # name we have in SEGFAULT_OUTPUT_NAME. In the output the names of # functions in shared objects are available, but names in the static # part of the program are not. We use addr2line to get this information. + case $prog in + */*) ;; + *) + old_IFS=$IFS + IFS=: + for p in $PATH; do + test -n "$p" || p=. + if test -f "$p/$prog"; then + prog=$p/$prog + break + fi + done + IFS=$old_IFS + ;; + esac (read line; echo "$line" read line; echo "$line" while read line; do case "$line" in - [*) addr="`echo $line | sed 's/^\[\(.*\)\]$/\1/'`" - complete="`addr2line -f -e $prog $addr 2>/dev/null`" - if test $? -eq 0; then - echo "`echo $complete|sed 's/\(.*\) \(.*\)/\2(\1)/;'`$line" + [*) addr=`echo $line | sed 's/^\[\(.*\)\]$/\1/'` + complete=`addr2line -f -e "$prog" $addr 2>/dev/null` + if test $? -eq 0; then + echo "`echo "$complete"|sed 'N;s/\(.*\)\n\(.*\)/\2(\1)/;'`$line" else echo "$line" fi @@ -77,8 +94,8 @@ if test $exval -eq 139; then *) echo "$line" ;; esac - done) < $SEGFAULT_OUTPUT_NAME - rm $SEGFAULT_OUTPUT_NAME + done) < "$segv_output" + rm -f "$segv_output" fi exit $exval |