196 lines
5.2 KiB
Bash
Executable File
196 lines
5.2 KiB
Bash
Executable File
#! @BASH@
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# Copyright (C) 1999, 2001-2008, 2009 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# Contributed by Ulrich Drepper <drepper@gnu.org>, 1999.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, write to the Free
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# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA.
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pcprofileso='@SLIBDIR@/libpcprofile.so'
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pcprofiledump='@BINDIR@/pcprofiledump'
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TEXTDOMAIN=libc
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# Print usage message.
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do_usage() {
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printf $"Usage: xtrace [OPTION]... PROGRAM [PROGRAMOPTION]...\n"
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exit 0
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}
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# Refer to --help option.
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help_info() {
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printf >&2 $"Try \`xtrace --help' for more information.\n"
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exit 1
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}
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# Message for missing argument.
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do_missing_arg() {
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printf >&2 $"xtrace: option \`$1' requires an argument.\n"
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help_info
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}
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# Print help message
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do_help() {
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printf $"Usage: xtrace [OPTION]... PROGRAM [PROGRAMOPTION]...\n"
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printf $"Trace execution of program by printing currently executed function.
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--data=FILE Don't run the program, just print the data from FILE.
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-?,--help Print this help and exit
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--usage Give a short usage message
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-V,--version Print version information and exit
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Mandatory arguments to long options are also mandatory for any corresponding
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short options.
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For bug reporting instructions, please see:
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<http://www.gnu.org/software/libc/bugs.html>.\n"
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exit 0
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}
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do_version() {
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echo 'xtrace (GNU libc) @VERSION@'
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printf $"Copyright (C) %s Free Software Foundation, Inc.
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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" "2009"
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printf $"Written by %s.
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" "Ulrich Drepper"
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exit 0
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}
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# Print out function name, file, and line number in a nicely formatted way.
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format_line() {
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fct=$1
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file=${2%%:*}
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line=${2##*:}
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width=$(expr $COLUMNS - 30)
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filelen=$(expr length $file)
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if test "$filelen" -gt "$width"; then
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rwidth=$(expr $width - 3)
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file="...$(expr substr $file $(expr 1 + $filelen - $rwidth) $rwidth)"
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fi
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printf '%-20s %-*s %6s\n' $fct $width $file $line
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}
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# If the variable COLUMNS is not set do this now.
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COLUMNS=${COLUMNS:-80}
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# If `TERMINAL_PROG' is not set, set it to `xterm'.
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TERMINAL_PROG=${TERMINAL_PROG:-xterm}
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# The data file to process, if any.
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data=
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# Process arguments. But stop as soon as the program name is found.
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while test $# -gt 0; do
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case "$1" in
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--d | --da | --dat | --data)
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if test $# -eq 1; then
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do_missing_arg $1
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fi
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shift
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data="$1"
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;;
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--d=* | --da=* | --dat=* | --data=*)
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data=${1##*=}
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;;
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-\? | --h | --he | --hel | --help)
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do_help
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;;
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-V | --v | --ve | --ver | --vers | --versi | --versio | --version)
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do_version
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;;
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--u | --us | --usa | --usag | --usage)
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do_usage
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;;
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--)
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# Stop processing arguments.
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shift
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break
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;;
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--*)
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printf >&2 $"xtrace: unrecognized option \`$1'\n"
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help_info
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;;
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*)
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# Unknown option. This means the rest is the program name and parameters.
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break
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;;
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esac
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shift
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done
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# See whether any arguments are left.
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if test $# -eq 0; then
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printf >&2 $"No program name given\n"
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help_info
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fi
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# Determine the program name and check whether it exists.
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program=$1
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shift
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if test ! -f "$program"; then
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printf >&2 $"executable \`$program' not found\n"
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help_info
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fi
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if test ! -x "$program"; then
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printf >&2 $"\`$program' is no executable\n"
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help_info
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fi
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# We have two modes. If a data file is given simply print the included data.
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printf "%-20s %-*s %6s\n" Function $(expr $COLUMNS - 30) File Line
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for i in $(seq 1 $COLUMNS); do printf -; done; printf '\n'
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if test -n "$data"; then
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$pcprofiledump "$data" |
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sed 's/this = \([^,]*\).*/\1/' |
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addr2line -fC -e "$program" |
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while read fct; do
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read file
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if test "$fct" != '??' -a "$file" != '??:0'; then
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format_line "$fct" "$file"
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fi
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done
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else
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fifo=$(mktemp -ut xtrace.XXXXXX) || exit
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trap 'rm -f "$fifo"; exit 1' HUP INT QUIT TERM PIPE
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mkfifo -m 0600 $fifo || exit 1
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# Now start the program and let it write to the FIFO.
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$TERMINAL_PROG -T "xtrace - $program $*" -e /bin/sh -c "LD_PRELOAD=$pcprofileso PCPROFILE_OUTPUT=$fifo $program $*; read < $fifo" &
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termpid=$!
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$pcprofiledump -u "$fifo" |
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while read line; do
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echo "$line" |
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sed 's/this = \([^,]*\).*/\1/' |
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addr2line -fC -e "$program"
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done |
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while read fct; do
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read file
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if test "$fct" != '??' -a "$file" != '??:0'; then
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format_line "$fct" "$file"
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fi
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done
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read -p "Press return here to close $TERMINAL_PROG($program)."
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echo > "$fifo"
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rm "$fifo"
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fi
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exit 0
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# Local Variables:
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# mode:ksh
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# End:
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