gdb/gcore.in

   1 #!/bin/sh
   2
   3 #   Copyright (C) 2003-2013 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 #
  19 # Script to generate a core file of a running program.
  20 # It starts up gdb, attaches to the given PID and invokes the gcore command.
  21 #
  22
  23 if [ "$#" -eq "0" ]
  24 then
  25     echo "usage:  @GCORE_TRANSFORM_NAME@ [-o filename] pid"
  26     exit 2
  27 fi
  28
  29 # Need to check for -o option, but set default basename to "core".
  30 name=core
  31
  32 if [ "$1" = "-o" ]
  33 then
  34     if [ "$#" -lt "3" ]
  35     then
  36         # Not enough arguments.
  37         echo "usage:  @GCORE_TRANSFORM_NAME@ [-o filename] pid"
  38         exit 2
  39     fi
  40     name=$2
  41
  42     # Shift over to start of pid list
  43     shift; shift
  44 fi
  45
  46 # Initialise return code.
  47 rc=0
  48
  49 # Loop through pids
  50 for pid in $*
  51 do
  52         # `</dev/null' to avoid touching interactive terminal if it is
  53         # available but not accessible as GDB would get stopped on SIGTTIN.
  54         @GDB_TRANSFORM_NAME@ </dev/null --nx --batch \
  55             -ex "set pagination off" -ex "set height 0" -ex "set width 0" \
  56             -ex "attach $pid" -ex "gcore $name.$pid" -ex detach -ex quit
  57
  58         if [ -r $name.$pid ] ; then
  59             rc=0
  60         else
  61             echo "@GCORE_TRANSFORM_NAME@: failed to create $name.$pid"
  62             rc=1
  63             break
  64         fi
  65
  66
  67 done
  68
  69 exit $rc