gdb/testsuite/gdb.threads/execl.exp

   1 # Copyright (C) 2008-2012 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 handling of threads across an execl.
  17
  18 if { [is_remote target] } then {
  19     continue
  20 }
  21
  22 # Original image, loads a thread library.
  23 standard_testfile
  24
  25 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  26     return -1
  27 }
  28
  29 # New image, that does not load a thread library.
  30 set testfile1 "execl1"
  31 set srcfile1 ${testfile1}.c
  32 set binfile1 [standard_output_file ${testfile1}]
  33
  34 if {[gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" executable {debug}] != "" } {
  35     return -1
  36 }
  37
  38 clean_restart ${binfile}
  39
  40 runto_main
  41
  42 gdb_test "b [gdb_get_line_number "breakpoint here"]" \
  43          ".*Breakpoint .*execl.*" "set breakpoint at execl"
  44
  45 gdb_test "continue" ".*breakpoint here.*" "continue to exec"
  46
  47 gdb_test "info threads" ".*3 *Thread.*2 *Thread.*1 *Thread.*" "info threads before exec"
  48
  49 # When continuing from this point we'll hit the breakpoint in main()
  50 # again, this time in the exec'd process.
  51 gdb_test "continue" ".*Breakpoint 1, main.*" \
  52     "continue across exec"
  53
  54 gdb_test "info threads" ".*" "info threads after exec"
  55
  56 set test "info threads after exec"
  57 gdb_test_multiple "info threads" "$test" {
  58     -re "2 *Thread .*$gdb_prompt $" {
  59         # Old threads left behind.
  60         fail "$test"
  61     }
  62     -re "4 *Thread .*$gdb_prompt $" {
  63         # New threads registered.
  64         fail "$test"
  65     }
  66     -re "$gdb_prompt $" {
  67         # Target doesn't register the main thread, pass for now.
  68         pass "$test"
  69     }
  70 }
  71
  72 gdb_continue_to_end