gdb/testsuite/gdb.base/many-headers.exp

   1 # Copyright 2018-2023 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Test if gdb can read a core file with a program header size of 4MB, if the
  17 # stack size is limited to 4MB.
  18
  19 if { [target_info gdb_protocol] != "" } {
  20     # Even though the feature under features being tested are supported by
  21     # gdbserver, the way this test is written doesn't make it easy with a
  22     # remote target.
  23     unsupported "not native"
  24     return
  25 }
  26
  27 standard_testfile
  28
  29 if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
  30     return -1
  31 }
  32
  33 # Generate core file.
  34 set corefile [core_find $binfile]
  35 if {$corefile == ""} {
  36     return 0
  37 }
  38
  39 # Limit is in kb, so this is 4MB.
  40 set stack_limit 4096
  41
  42 # Verify if we can set the stack limit.
  43 catch {
  44     system [concat \
  45                 "(" \
  46                 "ulimit -s $stack_limit;" \
  47                 ")"]
  48 } msg
  49 if { "$msg" != "" } {
  50     untested "Can't set stack limit"
  51     return -1
  52 }
  53
  54 set cmd \
  55     [concat \
  56          "(" \
  57          "ulimit -s $stack_limit;" \
  58          "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS -batch -core=$corefile" \
  59          ")"]
  60 verbose -log $cmd
  61
  62 # Run gdb with stack limit
  63 set output [standard_output_file OUTPUT]
  64 catch {
  65     system "$cmd > $output 2>&1"
  66 } msg
  67 verbose -log [exec cat $output]
  68 file delete $output
  69
  70 set test "read core file"
  71 if { "$msg" == "" } {
  72     pass "$test"
  73 } else {
  74     verbose -log $msg
  75     fail "$test"
  76 }