1 files changed, 107 insertions, 0 deletions
diff --git a/REORG.TODO/debug/catchsegv.sh b/REORG.TODO/debug/catchsegv.sh
new file mode 100755
index 0000000000..db4154a362
--- /dev/null
+++ b/REORG.TODO/debug/catchsegv.sh
@@ -0,0 +1,107 @@
+#!/bin/sh
+# Copyright (C) 1998-2017 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
+# <http://www.gnu.org/licenses/>.
+
+if test $# -eq 0; then
+  echo "$0: missing program name" >&2
+  echo "Try \`$0 --help' for more information." >&2
+  exit 1
+fi
+
+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
+@REPORT_BUGS_TO@.
+EOF
+      exit 0
+      ;;
+    --v | --ve | --ver | --vers | --versi | --versio | --version)
+      echo 'catchsegv @PKGVERSION@@VERSION@'
+      echo 'Copyright (C) 2017 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.'
+      exit 0
+      ;;
+    *)
+      ;;
+  esac
+fi
+
+segv_output=`mktemp ${TMPDIR:-/tmp}/segv_output.XXXXXX` || exit
+
+# Redirect stderr to avoid termination message from shell.
+(exec 3>&2 2>/dev/null
+LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so \
+SEGFAULT_USE_ALTSTACK=1 \
+SEGFAULT_OUTPUT_NAME=$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 "$line"
+	    ;;
+     esac
+   done)
+fi
+rm -f "$segv_output"
+
+exit $exval