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Commit | Line | Data |
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6ce7ab19 | 1 | #! /bin/sh |
e56bad6c | 2 | # Copyright (C) 1998,1999,2001,2003,2004,2006 Free Software Foundation, Inc. |
6ce7ab19 UD |
3 | # This file is part of the GNU C Library. |
4 | # Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. | |
5 | ||
6 | # The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | # modify it under the terms of the GNU Lesser General Public |
8 | # License as published by the Free Software Foundation; either | |
9 | # version 2.1 of the License, or (at your option) any later version. | |
6ce7ab19 UD |
10 | |
11 | # The GNU C Library is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | # Lesser General Public License for more details. |
6ce7ab19 | 15 | |
41bdb6e2 AJ |
16 | # You should have received a copy of the GNU Lesser General Public |
17 | # License along with the GNU C Library; if not, write to the Free | |
18 | # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
19 | # 02111-1307 USA. | |
6ce7ab19 | 20 | |
a9ddb793 | 21 | if test $# -eq 0; then |
432cf458 | 22 | echo "$0: missing program name" >&2 |
a9ddb793 UD |
23 | echo "Try \`$0 --help' for more information." >&2 |
24 | exit 1 | |
25 | fi | |
26 | ||
6ce7ab19 UD |
27 | prog="$1" |
28 | shift | |
6ce7ab19 UD |
29 | |
30 | if test $# -eq 0; then | |
07435eb4 | 31 | case "$prog" in |
6ce7ab19 UD |
32 | --h | --he | --hel | --help) |
33 | echo 'Usage: catchsegv PROGRAM ARGS...' | |
34 | echo ' --help print this help, then exit' | |
35 | echo ' --version print version number, then exit' | |
d40eb37a UD |
36 | echo "For bug reporting instructions, please see:" |
37 | echo "<http://www.gnu.org/software/libc/bugs.html>." | |
6ce7ab19 UD |
38 | exit 0 |
39 | ;; | |
40 | --v | --ve | --ver | --vers | --versi | --versio | --version) | |
41 | echo 'catchsegv (GNU libc) @VERSION@' | |
e56bad6c | 42 | echo 'Copyright (C) 2006 Free Software Foundation, Inc. |
6ce7ab19 UD |
43 | This is free software; see the source for copying conditions. There is NO |
44 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
45 | Written by Ulrich Drepper.' | |
46 | exit 0 | |
47 | ;; | |
48 | *) | |
49 | ;; | |
50 | esac | |
51 | fi | |
52 | ||
347b6d62 | 53 | segv_output=`mktemp ${TMPDIR:-/tmp}/segv_output.XXXXXX` || exit |
6ce7ab19 | 54 | |
997a4165 UD |
55 | # Redirect stderr to avoid termination message from shell. |
56 | (exec 3>&2 2>/dev/null | |
a9ddb793 UD |
57 | LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so \ |
58 | SEGFAULT_USE_ALTSTACK=1 \ | |
59 | SEGFAULT_OUTPUT_NAME=$segv_output \ | |
997a4165 | 60 | "$prog" ${1+"$@"} 2>&3 3>&-) |
6ce7ab19 UD |
61 | exval=$? |
62 | ||
e503270c | 63 | # Check for output. Even if the program terminated correctly it might |
1e02536f | 64 | # be that a minor process (clone) failed. Therefore we do not check the |
e503270c | 65 | # exit code. |
347b6d62 | 66 | if test -s "$segv_output"; then |
997a4165 | 67 | # The program caught a signal. The output is in the file with the |
6ce7ab19 UD |
68 | # name we have in SEGFAULT_OUTPUT_NAME. In the output the names of |
69 | # functions in shared objects are available, but names in the static | |
70 | # part of the program are not. We use addr2line to get this information. | |
a9ddb793 UD |
71 | case $prog in |
72 | */*) ;; | |
73 | *) | |
74 | old_IFS=$IFS | |
75 | IFS=: | |
76 | for p in $PATH; do | |
77 | test -n "$p" || p=. | |
78 | if test -f "$p/$prog"; then | |
79 | prog=$p/$prog | |
80 | break | |
81 | fi | |
82 | done | |
83 | IFS=$old_IFS | |
84 | ;; | |
85 | esac | |
c2228a51 UD |
86 | sed '/Backtrace/q' "$segv_output" |
87 | sed '1,/Backtrace/d' "$segv_output" | | |
88 | (while read line; do | |
4a10c7fe | 89 | line=`echo $line | sed "s@^$prog\\(\\[.*\\)@\1@"` |
6ce7ab19 | 90 | case "$line" in |
4a10c7fe UD |
91 | \[*) addr=`echo "$line" | sed 's/^\[\(.*\)\]$/\1/'` |
92 | complete=`addr2line -f -e "$prog" $addr 2>/dev/null` | |
93 | if test $? -eq 0; then | |
94 | echo "`echo "$complete"|sed 'N;s/\(.*\)\n\(.*\)/\2(\1)/;'`$line" | |
95 | else | |
96 | echo "$line" | |
97 | fi | |
98 | ;; | |
99 | *) echo "$line" | |
100 | ;; | |
6ce7ab19 | 101 | esac |
c2228a51 | 102 | done) |
6ce7ab19 | 103 | fi |
347b6d62 | 104 | rm -f "$segv_output" |
6ce7ab19 UD |
105 | |
106 | exit $exval |