gdb/testsuite/gdb.base/pie-fork.exp

   1 # Copyright 2018-2021 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 that we can follow forks properly when the executable is
  17 # position-independent.
  18
  19 standard_testfile
  20
  21 set opts [list debug additional_flags=-fPIE ldflags=-pie]
  22
  23 if [prepare_for_testing "failed to prepare" $testfile $srcfile $opts] {
  24     return
  25 }
  26
  27 proc setup_test {detach_on_fork {follow_fork_mode "parent"}} {
  28     global binfile
  29
  30     clean_restart ${binfile}
  31
  32     if ![runto_main] {
  33         fail "can't run to main"
  34         return
  35     }
  36
  37     gdb_test_no_output "set detach-on-fork ${detach_on_fork}"
  38     gdb_test_no_output "set follow-fork-mode ${follow_fork_mode}"
  39
  40     gdb_breakpoint "break_here"
  41 }
  42
  43 proc_with_prefix test_detach_on_fork_follow_parent {} {
  44     setup_test "on" "parent"
  45
  46     gdb_test "continue" "\r\nBreakpoint 2, break_here.*"
  47 }
  48
  49 proc_with_prefix test_detach_on_fork_follow_child {} {
  50     setup_test "on" "child"
  51
  52     gdb_test "continue" "\r\nThread 2.1 .* hit Breakpoint 2, break_here.*"
  53 }
  54
  55 proc_with_prefix test_no_detach_on_fork {} {
  56     setup_test "off"
  57
  58     gdb_test "continue" "\r\nThread 1.1 .* hit Breakpoint 2, break_here.*"
  59     gdb_test "thread 2.1"
  60     gdb_test "continue" "\r\nThread 2.1 .* hit Breakpoint 2, break_here.*"
  61 }
  62
  63 test_detach_on_fork_follow_parent
  64 test_detach_on_fork_follow_child
  65 test_no_detach_on_fork