/usr/bin
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#!/usr/bin/sh# Copyright (C) 1998-2021 Free Software Foundation, Inc.# This file is part of the GNU C Library.# Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. # The GNU C Library is free software; you can redistribute it and/or# modify it under the terms of the GNU Lesser General Public# License as published by the Free Software Foundation; either# version 2.1 of the License, or (at your option) any later version. # The GNU C Library 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# Lesser General Public License for more details. # You should have received a copy of the GNU Lesser General Public# License along with the GNU C Library; if not, see# <https://www.gnu.org/licenses/>. if test $# -eq 0; then echo "$0: missing program name" >&2 echo "Try \`$0 --help' for more information." >&2 exit 1fi prog="$1"shift if test $# -eq 0; then case "$prog" in --h | --he | --hel | --help) echo 'Usage: catchsegv PROGRAM ARGS...' echo ' --help print this help, then exit' echo ' --version print version number, then exit' echo 'For bug reporting instructions, please see:' cat <<\EOF<https://www.gnu.org/software/libc/bugs.html>.EOF exit 0 ;; --v | --ve | --ver | --vers | --versi | --versio | --version) echo 'catchsegv (GNU libc) 2.34' echo 'Copyright (C) 2021 Free Software Foundation, Inc.This is free software; see the source for copying conditions. There is NOwarranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.Written by Ulrich Drepper.' exit 0 ;; *) ;; esacfi segv_output=`mktemp ${TMPDIR:-/tmp}/segv_output.XXXXXX` || exit # Redirect stderr to avoid termination message from shell.(exec 3>&2 2>/dev/nullLD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}/\$LIB/libSegFault.so \SEGFAULT_USE_ALTSTACK=1 \SEGFAULT_OUTPUT_NAME=$segv_output \"$prog" ${1+"$@"} 2>&3 3>&-)exval=$? # Check for output. Even if the program terminated correctly it might# be that a minor process (clone) failed. Therefore we do not check the# exit code.if test -s "$segv_output"; then # The program caught a signal. 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=$old_IFS ;; esac sed '/Backtrace/q' "$segv_output" sed '1,/Backtrace/d' "$segv_output" | (while read line; do line=`echo $line | sed "s@^$prog\\(\\[.*\\)@\1@"` 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 'N;s/\(.*\)\n\(.*\)/\2(\1)/;'`$line" else echo "$line" fi ;; *) echo "$line" ;; esac done)firm -f "$segv_output" exit $exval