gdb/patches/gdb-6.5-gcore-buffer-limit-test.patch

   1 diff -u -X /home/jkratoch/.diffi.list -ruNp gdb-6.5/gdb/testsuite/gdb.base/gcore-excessive-memory.c gdb-6.5-unknown/gdb/testsuite/gdb.base/gcore-excessive-memory.c
   2 --- gdb-6.5/gdb/testsuite/gdb.base/gcore-excessive-memory.c     1970-01-01 01:00:00.000000000 +0100
   3 +++ gdb-6.5-unknown/gdb/testsuite/gdb.base/gcore-excessive-memory.c     2008-01-08 11:25:45.000000000 +0100
   4 @@ -0,0 +1,37 @@
   5 +/* This testcase is part of GDB, the GNU debugger.
   6 +
   7 +   Copyright 2008 Free Software Foundation, Inc.
   8 +
   9 +   This program is free software; you can redistribute it and/or modify
  10 +   it under the terms of the GNU General Public License as published by
  11 +   the Free Software Foundation; either version 2 of the License, or
  12 +   (at your option) any later version.
  13 +
  14 +   This program is distributed in the hope that it will be useful,
  15 +   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 +   GNU General Public License for more details.
  18 +
  19 +   You should have received a copy of the GNU General Public License
  20 +   along with this program; if not, write to the Free Software
  21 +   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22 +
  23 +   Please email any bugs, comments, and/or additions to this file to:
  24 +   bug-gdb@prep.ai.mit.edu  */
  25 +
  26 +#include <unistd.h>
  27 +#include <stdlib.h>
  28 +
  29 +#define MEGS 64
  30 +
  31 +int main()
  32 +{
  33 +  void *mem;
  34 +
  35 +  mem = malloc (MEGS * 1024ULL * 1024ULL);
  36 +
  37 +  for (;;)
  38 +    sleep (1);
  39 +
  40 +  return 0;
  41 +}
  42 diff -u -X /home/jkratoch/.diffi.list -ruNp gdb-6.5/gdb/testsuite/gdb.base/gcore-excessive-memory.exp gdb-6.5-unknown/gdb/testsuite/gdb.base/gcore-excessive-memory.exp
  43 --- gdb-6.5/gdb/testsuite/gdb.base/gcore-excessive-memory.exp   1970-01-01 01:00:00.000000000 +0100
  44 +++ gdb-6.5-unknown/gdb/testsuite/gdb.base/gcore-excessive-memory.exp   2008-01-08 11:47:32.000000000 +0100
  45 @@ -0,0 +1,94 @@
  46 +# Copyright 2008 Free Software Foundation, Inc.
  47 +
  48 +# This program is free software; you can redistribute it and/or modify
  49 +# it under the terms of the GNU General Public License as published by
  50 +# the Free Software Foundation; either version 2 of the License, or
  51 +# (at your option) any later version.
  52 +#
  53 +# This program is distributed in the hope that it will be useful,
  54 +# but WITHOUT ANY WARRANTY; without even the implied warranty of
  55 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  56 +# GNU General Public License for more details.
  57 +#
  58 +# You should have received a copy of the GNU General Public License
  59 +# along with this program; if not, write to the Free Software
  60 +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  61 +
  62 +set testfile gcore-excessive-memory
  63 +set srcfile ${testfile}.c
  64 +set shfile ${objdir}/${subdir}/${testfile}-gdb.sh
  65 +set corefile ${objdir}/${subdir}/${testfile}.core
  66 +set binfile ${objdir}/${subdir}/${testfile}
  67 +if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  68 +    untested "Couldn't compile test program"
  69 +    return -1
  70 +}
  71 +
  72 +set f [open "|getconf PAGESIZE" "r"]
  73 +gets $f pagesize
  74 +close $f
  75 +
  76 +set pid_of_bin [eval exec $binfile &]
  77 +sleep 2
  78 +
  79 +# Get things started.
  80 +
  81 +gdb_exit
  82 +gdb_start
  83 +gdb_reinitialize_dir $srcdir/$subdir
  84 +gdb_load ${binfile}
  85 +
  86 +set pid_of_gdb [exp_pid -i [board_info host fileid]]
  87 +
  88 +gdb_test "attach $pid_of_bin" "Attaching to .*" "attach"
  89 +gdb_test "up 99" "in main .*" "verify we can get to main"
  90 +
  91 +proc memory_v_pages_get {} {
  92 +    global pid_of_gdb pagesize
  93 +    set fd [open "/proc/$pid_of_gdb/statm"]
  94 +    gets $fd line
  95 +    close $fd
  96 +    # number of pages of virtual memory
  97 +    scan $line "%d" drs
  98 +    return $drs
  99 +}
 100 +
 101 +set pages_found [memory_v_pages_get]
 102 +
 103 +# It must be definitely less than `MEGS' of `gcore-excessive-memory.c'.
 104 +set mb_gcore_reserve 4
 105 +verbose -log "pages_found = $pages_found, mb_gcore_reserve = $mb_gcore_reserve"
 106 +set kb_found [expr $pages_found * $pagesize / 1024]
 107 +set kb_permit [expr $kb_found + 1 * 1024 + $mb_gcore_reserve * 1024]
 108 +verbose -log "kb_found = $kb_found, kb_permit = $kb_permit"
 109 +
 110 +# Create the ulimit wrapper.
 111 +set f [open $shfile "w"]
 112 +puts $f "#! /bin/sh"
 113 +puts $f "ulimit -v $kb_permit"
 114 +puts $f "exec $GDB \"\$@\""
 115 +close $f
 116 +remote_exec host "chmod +x $shfile"
 117 +
 118 +gdb_exit
 119 +set GDBold $GDB
 120 +set GDB "$shfile"
 121 +gdb_start
 122 +set GDB $GDBold
 123 +
 124 +gdb_reinitialize_dir $srcdir/$subdir
 125 +gdb_load ${binfile}
 126 +
 127 +set pid_of_gdb [exp_pid -i [board_info host fileid]]
 128 +
 129 +gdb_test "attach $pid_of_bin" "Attaching to .*" "attach"
 130 +gdb_test "up 99" "in main .*" "verify we can get to main"
 131 +
 132 +verbose -log "kb_found before gcore = [expr [memory_v_pages_get] * $pagesize / 1024]"
 133 +
 134 +gdb_test "gcore $corefile" "Saved corefile \[^\n\r\]*" "Save the core file"
 135 +
 136 +verbose -log "kb_found after gcore = [expr [memory_v_pages_get] * $pagesize / 1024]"
 137 +
 138 +# Cleanup.
 139 +exec kill -9 $pid_of_bin