1 # Copyright (C) 2008-2024 Free Software Foundation, Inc.
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.
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.
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/>.
16 # Test use of unwind-on-signal when a hand function call that gets interrupted
17 # by a signal in another thread.
21 standard_testfile interrupted-hand-call.c
23 # Some targets can't do function calls, so don't even bother with this
25 require {!target_info exists gdb,cannot_call_functions}
27 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-DNR_THREADS=$NR_THREADS"]] != "" } {
31 clean_restart ${binfile}
33 if { ![runto_main] } {
37 gdb_test "break all_threads_running" \
38 "Breakpoint 2 at .*: file .*${srcfile}, line .*" \
39 "breakpoint on all_threads_running"
41 # Run the program and make sure GDB reports that we stopped after
42 # hitting breakpoint 2 in all_threads_running().
45 ".*Breakpoint 2, all_threads_running ().*" \
46 "run to all_threads_running"
48 # NOTE: Don't turn on scheduler-locking here.
49 # We want the main thread (hand_call_with_signal) and
50 # thread 1 (sigabrt_handler) to both run.
52 # Do turn on unwind-on-signal.
53 # We want to test gdb handling of the current thread changing when
54 # unwindonsignal is in effect.
55 gdb_test_no_output "set unwind-on-signal on" \
56 "setting unwindonsignal"
57 gdb_test "show unwind-on-signal" \
58 "Unwinding of stack .* is on." \
59 "showing unwindonsignal"
61 gdb_test "call hand_call_with_signal()" \
62 "The program received a signal.*" \
63 "hand-call interrupted by signal in another thread"
65 # Verify dummy stack frame is still present.
66 # ??? Should unwindonsignal still apply even if the program stops
67 # because of a signal in another thread?
69 gdb_test "maint print dummy-frames" ".*stack=.*" "dummy stack frame present"
71 # GDB 6.8 would perform the unwindonsignal, but on the thread that stopped,
72 # not the thread with the hand-called function.
73 # This is tested by verifying only one thread has main in its backtrace.
75 gdb_test_multiple "thread apply all bt" "wrong thread not unwound" {
76 -re ".* in main .* in main .*$gdb_prompt $" {
77 fail "wrong thread not unwound"
79 -re ".* in main .*$gdb_prompt $" {
80 pass "wrong thread not unwound"
84 # Continuing now should exit the hand-call and pop the dummy frame.
86 gdb_test "continue" ".*" "finish hand-call"
88 gdb_test_multiple "maint print dummy-frames" "dummy frame popped" {
89 -re ".*stack=.*$gdb_prompt $" {
90 fail "dummy frame popped"
92 -re ".*$gdb_prompt $" {
93 pass "dummy frame popped"
97 # Continue one last time, the program should exit normally.
99 gdb_continue_to_end "" continue 1