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[thirdparty/glibc.git] / debug / catchsegv.sh

diff --git a/debug/catchsegv.sh b/debug/catchsegv.sh
index 6ca404da084b988553c849114229dc46837aa4b8..9b5f9951a692b51e17bbf812db8d862361df838a 100755 (executable)
--- a/debug/catchsegv.sh
+++ b/debug/catchsegv.sh
@@ -1,26 +1,24 @@
-#! /bin/sh
-
-# Copyright (C) 1998 Free Software Foundation, Inc.
+#!/bin/sh
+# Copyright (C) 1998-2019 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 Library General Public License as
-# published by the Free Software Foundation; either version 2 of the
-# License, or (at your option) any later version.
+# 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
-# Library General Public License for more details.
+# Lesser General Public License for more details.
 
-# You should have received a copy of the GNU Library General Public
-# License along with the GNU C Library; see the file COPYING.LIB.  If not,
-# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
+# 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 programm name" >&2
+  echo "$0: missing program name" >&2
   echo "Try \`$0 --help' for more information." >&2
   exit 1
 fi
@@ -34,12 +32,15 @@ if test $# -eq 0; then
       echo 'Usage: catchsegv PROGRAM ARGS...'
       echo '  --help      print this help, then exit'
       echo '  --version   print version number, then exit'
-      echo "Report bugs using the \`glibcbug' script to <bugs@gnu.org>."
+      echo 'For bug reporting instructions, please see:'
+      cat <<\EOF
+@REPORT_BUGS_TO@.
+EOF
       exit 0
       ;;
     --v | --ve | --ver | --vers | --versi | --versio | --version)
-      echo 'catchsegv (GNU libc) @VERSION@'
-      echo 'Copyright (C) 1998 Free Software Foundation, Inc.
+      echo 'catchsegv @PKGVERSION@@VERSION@'
+      echo 'Copyright (C) 2019 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 Written by Ulrich Drepper.'
@@ -50,7 +51,7 @@ Written by Ulrich Drepper.'
   esac
 fi
 
-segv_output=`basename "$prog"`.segv.$$
+segv_output=`mktemp ${TMPDIR:-/tmp}/segv_output.XXXXXX` || exit
 
 # Redirect stderr to avoid termination message from shell.
 (exec 3>&2 2>/dev/null
@@ -60,8 +61,10 @@ SEGFAULT_OUTPUT_NAME=$segv_output \
 "$prog" ${1+"$@"} 2>&3 3>&-)
 exval=$?
 
-# Check for signal termination.
-if test $exval -gt 128 && test -f "$segv_output"; then
+# 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
@@ -84,20 +87,21 @@ if test $exval -gt 128 && test -f "$segv_output"; then
   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"
-           ;;
+       \[*) 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 "$line"
+           ;;
      esac
    done)
-   rm -f "$segv_output"
 fi
+rm -f "$segv_output"
 
 exit $exval