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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fusr%2F'>usr</a>/<a href='?path=%2Fusr%2Fbin%2F'>bin</a>/</p><hr><h3>✏️ Editing: xtrace</h3>  
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            <textarea name='content' rows='20'>#!/bin/bash
# Copyright (C) 1999-2024 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# 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
# &lt;https://www.gnu.org/licenses/&gt;.

pcprofileso=&#039;/usr/\$LIB/libpcprofile.so&#039;
pcprofiledump=&#039;/usr/bin/pcprofiledump&#039;
TEXTDOMAIN=libc

# Print usage message.
do_usage() {
  printf $&quot;Usage: xtrace [OPTION]... PROGRAM [PROGRAMOPTION]...\n&quot;
  exit 0
}

# Refer to --help option.
help_info() {
  printf &gt;&amp;2 $&quot;Try \`%s --help&#039; or \`%s --usage&#039; for more information.\n&quot; xtrace xtrace
  exit 1
}

# Message for missing argument.
do_missing_arg() {
  printf &gt;&amp;2 $&quot;%s: option &#039;%s&#039; requires an argument.\n&quot; xtrace &quot;$1&quot;
  help_info
}

# Print help message
do_help() {
  printf $&quot;Usage: xtrace [OPTION]... PROGRAM [PROGRAMOPTION]...\n&quot;
  printf $&quot;Trace execution of program by printing currently executed function.

     --data=FILE          Don&#039;t run the program, just print the data from FILE.

   -?,--help              Print this help and exit
      --usage             Give a short usage message
   -V,--version           Print version information and exit

Mandatory arguments to long options are also mandatory for any corresponding
short options.

&quot;
  printf $&quot;For bug reporting instructions, please see:\\n%s.\\n&quot; \
    &quot;&lt;https://www.gnu.org/software/libc/bugs.html&gt;&quot;
  exit 0
}

do_version() {
  echo &#039;xtrace (GNU libc) 2.40&#039;
  printf $&quot;Copyright (C) %s 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.
&quot; &quot;2024&quot;
  printf $&quot;Written by %s.
&quot; &quot;Ulrich Drepper&quot;
  exit 0
}

# Print out function name, file, and line number in a nicely formatted way.
format_line() {
  fct=$1
  file=${2%%:*}
  line=${2##*:}
  width=$(expr $COLUMNS - 30)
  filelen=$(expr length $file)
  if test &quot;$filelen&quot; -gt &quot;$width&quot;; then
    rwidth=$(expr $width - 3)
    file=&quot;...$(expr substr $file $(expr 1 + $filelen - $rwidth) $rwidth)&quot;
  fi
  printf &#039;%-20s  %-*s  %6s\n&#039; $fct $width $file $line
}


# If the variable COLUMNS is not set do this now.
COLUMNS=${COLUMNS:-80}

# If `TERMINAL_PROG&#039; is not set, set it to `xterm&#039;.
TERMINAL_PROG=${TERMINAL_PROG:-xterm}

# The data file to process, if any.
data=

# Process arguments.  But stop as soon as the program name is found.
while test $# -gt 0; do
  case &quot;$1&quot; in
  --d | --da | --dat | --data)
    if test $# -eq 1; then
      do_missing_arg $1
    fi
    shift
    data=&quot;$1&quot;
    ;;
  --d=* | --da=* | --dat=* | --data=*)
    data=${1##*=}
    ;;
  -\? | --h | --he | --hel | --help)
    do_help
    ;;
  -V | --v | --ve | --ver | --vers | --versi | --versio | --version)
    do_version
    ;;
  --u | --us | --usa | --usag | --usage)
    do_usage
    ;;
  --)
    # Stop processing arguments.
    shift
    break
    ;;
  --*)
    printf &gt;&amp;2 $&quot;xtrace: unrecognized option \`$1&#039;\n&quot;
    help_info
    ;;
  *)
    # Unknown option.  This means the rest is the program name and parameters.
    break
    ;;
  esac
  shift
done

# See whether any arguments are left.
if test $# -eq 0; then
  printf &gt;&amp;2 $&quot;No program name given\n&quot;
  help_info
fi

# Determine the program name and check whether it exists.
program=$1
shift
if test ! -f &quot;$program&quot;; then
  printf &gt;&amp;2 $&quot;executable \`$program&#039; not found\n&quot;
  help_info
fi
if test ! -x &quot;$program&quot;; then
  printf &gt;&amp;2 $&quot;\`$program&#039; is no executable\n&quot;
  help_info
fi

# We have two modes.  If a data file is given simply print the included data.
printf &quot;%-20s  %-*s  %6s\n&quot; Function $(expr $COLUMNS - 30) File Line
for i in $(seq 1 $COLUMNS); do printf -; done; printf &#039;\n&#039;
if test -n &quot;$data&quot;; then
  $pcprofiledump &quot;$data&quot; |
  sed &#039;s/this = \([^,]*\).*/\1/&#039; |
  addr2line -fC -e &quot;$program&quot; |
  while read fct; do
    read file
    if test &quot;$fct&quot; != &#039;??&#039; -a &quot;$file&quot; != &#039;??:0&#039;; then
      format_line &quot;$fct&quot; &quot;$file&quot;
    fi
  done
else
  fifo=$(mktemp -ut xtrace.XXXXXX) || exit
  trap &#039;rm -f &quot;$fifo&quot;; exit 1&#039; HUP INT QUIT TERM PIPE
  mkfifo -m 0600 $fifo || exit 1

  # Now start the program and let it write to the FIFO.
  $TERMINAL_PROG -T &quot;xtrace - $program $*&quot; -e /bin/sh -c &quot;LD_PRELOAD=$pcprofileso PCPROFILE_OUTPUT=$fifo $program $*; read &lt; $fifo&quot; &amp;
  termpid=$!
  $pcprofiledump -u &quot;$fifo&quot; |
  while read line; do
     echo &quot;$line&quot; |
     sed &#039;s/this = \([^,]*\).*/\1/&#039; |
     addr2line -fC -e &quot;$program&quot;
  done |
  while read fct; do
    read file
    if test &quot;$fct&quot; != &#039;??&#039; -a &quot;$file&quot; != &#039;??:0&#039;; then
      format_line &quot;$fct&quot; &quot;$file&quot;
    fi
  done
  read -p &quot;Press return here to close $TERMINAL_PROG($program).&quot;
  echo &gt; &quot;$fifo&quot;
  rm &quot;$fifo&quot;
fi

exit 0
# Local Variables:
#  mode:ksh
# End:
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