gdb/testsuite/gdb.mi/mi-nsthrexec.exp

   1 # Copyright 2009-2020 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 when a thread other than the main thread execs, and the
  17 # main thread was stopped due to user request, the new incarnation of
  18 # the main thread doesn't just silently stop at the first internal
  19 # breakpoint (usually the _dl_debug_state breakpoint).
  20
  21 if { ![support_displaced_stepping] } {
  22     unsupported "displaced stepping"
  23     return -1
  24 }
  25
  26 load_lib mi-support.exp
  27 set MIFLAGS "-i=mi"
  28
  29 gdb_exit
  30 if {[mi_gdb_start]} {
  31     continue
  32 }
  33
  34 #
  35 # Start here
  36 #
  37 standard_testfile nsthrexec.c
  38
  39 set options [list debug]
  40 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
  41     return -1
  42 }
  43
  44 mi_gdb_reinitialize_dir $srcdir/$subdir
  45 mi_gdb_load $binfile
  46
  47 mi_gdb_test "-gdb-set non-stop 1" ".*"
  48 mi_gdb_test "-gdb-set mi-async 1" ".*"
  49 mi_detect_async
  50
  51 if { [mi_run_to_main] < 0 } {
  52     continue
  53 }
  54
  55 mi_create_breakpoint thread_execler \
  56     "breakpoint at thread_execler" \
  57     -number 2 -function thread_execler
  58
  59 # All threads should stop, except the main thread.
  60 mi_send_resuming_command "exec-continue --all" "resume all"
  61 mi_expect_stop "breakpoint-hit" "thread_execler" "\[^\n\]*" "$srcfile" \
  62     "\[0-9\]*" {"" "disp=\"keep\""} "stop at thread_execler"
  63
  64 mi_check_thread_states \
  65     {"running" "stopped"} \
  66     "thread state, execler stopped, main running"
  67
  68 mi_gdb_test "200-exec-interrupt --thread 1" "200\\^done" "interrupt main thread"
  69 mi_expect_interrupt "main thread interrupted"
  70
  71 mi_check_thread_states {"stopped" "stopped"} "thread state, all stopped"
  72
  73 # now that we know about all the threads, we can get rid of the breakpoints
  74 mi_delete_breakpoints
  75
  76 mi_create_breakpoint main \
  77     "breakpoint at main" \
  78     -number 3 -func main
  79
  80
  81 # Now resume the execler thread.  Eventually, it execs.
  82 mi_send_resuming_command "exec-continue --thread 2" "resume execler thread"
  83
  84 # Check that the main thread passes by the _dl_debug_state internal
  85 # breakpoint without silently stopping.
  86 mi_expect_stop "breakpoint-hit" "main" "\[^\n\]*" "$srcfile" \
  87     "\[0-9\]*" {"" "disp=\"keep\""} "stop at main after exec"
  88
  89 mi_gdb_exit