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1 # Copyright 2009-2013 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 # No exec event support in the remote protocol.
22 if { [is_remote target] } then {
23 continue
24 }
25
26 if { ![support_displaced_stepping] } {
27 unsupported "displaced stepping"
28 return -1
29 }
30
31 load_lib mi-support.exp
32 set MIFLAGS "-i=mi"
33
34 gdb_exit
35 if {[mi_gdb_start]} {
36 continue
37 }
38
39 #
40 # Start here
41 #
42 standard_testfile nsthrexec.c
43
44 set options [list debug]
45 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
46 return -1
47 }
48
49 mi_gdb_reinitialize_dir $srcdir/$subdir
50 mi_gdb_load $binfile
51
52 mi_gdb_test "-gdb-set non-stop 1" ".*"
53 mi_gdb_test "-gdb-set target-async 1" ".*"
54 mi_detect_async
55
56 if { [mi_run_to_main] < 0 } {
57 continue
58 }
59
60 mi_create_breakpoint thread_execler 2 keep thread_execler .* .* .* \
61 "breakpoint at thread_execler"
62
63 # All threads should stop, except the main thread.
64 mi_send_resuming_command "exec-continue --all" "resume all"
65 mi_expect_stop "breakpoint-hit" "thread_execler" "\[^\n\]*" "$srcfile" \
66 "\[0-9\]*" {"" "disp=\"keep\""} "stop at thread_execler"
67
68 mi_check_thread_states \
69 {"running" "stopped"} \
70 "thread state, execler stopped, main running"
71
72 mi_gdb_test "200-exec-interrupt --thread 1" "200\\^done" "interrupt main thread"
73 mi_expect_interrupt "main thread interrupted"
74
75 mi_check_thread_states {"stopped" "stopped"} "thread state, all stopped"
76
77 # now that we know about all the threads, we can get rid of the breakpoints
78 mi_delete_breakpoints
79
80 mi_create_breakpoint main 3 keep main .* .* .* \
81 "breakpoint at main"
82
83 # Now resume the execler thread. Eventually, it execs.
84 mi_send_resuming_command "exec-continue --thread 2" "resume execler thread"
85
86 # Check that the main thread passes by the _dl_debug_state internal
87 # breakpoint without silently stopping.
88 mi_expect_stop "breakpoint-hit" "main" "\[^\n\]*" "$srcfile" \
89 "\[0-9\]*" {"" "disp=\"keep\""} "stop at main after exec"
90
91 mi_gdb_exit