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106 lines
3.3 KiB
Plaintext
106 lines
3.3 KiB
Plaintext
# Copyright (C) 2008-2020 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test use of unwindonsignal when a hand function call that gets interrupted
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# by a signal in another thread.
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set NR_THREADS 4
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standard_testfile interrupted-hand-call.c
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if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-DNR_THREADS=$NR_THREADS"]] != "" } {
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return -1
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}
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# Some targets can't do function calls, so don't even bother with this
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# test.
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if [target_info exists gdb,cannot_call_functions] {
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unsupported "this target can not call functions"
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continue
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}
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clean_restart ${binfile}
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if { ![runto_main] } {
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fail "can't run to main"
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return 0
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}
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gdb_test "break all_threads_running" \
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"Breakpoint 2 at .*: file .*${srcfile}, line .*" \
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"breakpoint on all_threads_running"
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# Run the program and make sure GDB reports that we stopped after
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# hitting breakpoint 2 in all_threads_running().
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gdb_test "continue" \
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".*Breakpoint 2, all_threads_running ().*" \
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"run to all_threads_running"
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# NOTE: Don't turn on scheduler-locking here.
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# We want the main thread (hand_call_with_signal) and
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# thread 1 (sigabrt_handler) to both run.
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# Do turn on unwindonsignal.
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# We want to test gdb handling of the current thread changing when
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# unwindonsignal is in effect.
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gdb_test_no_output "set unwindonsignal on" \
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"setting unwindonsignal"
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gdb_test "show unwindonsignal" \
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"Unwinding of stack .* is on." \
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"showing unwindonsignal"
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gdb_test "call hand_call_with_signal()" \
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"The program received a signal.*" \
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"hand-call interrupted by signal in another thread"
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# Verify dummy stack frame is still present.
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# ??? Should unwindonsignal still apply even if the program stops
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# because of a signal in another thread?
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gdb_test "maint print dummy-frames" ".*stack=.*" "dummy stack frame present"
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# GDB 6.8 would perform the unwindonsignal, but on the thread that stopped,
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# not the thread with the hand-called function.
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# This is tested by verifying only one thread has main in its backtrace.
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gdb_test_multiple "thread apply all bt" "wrong thread not unwound" {
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-re ".* in main .* in main .*$gdb_prompt $" {
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fail "wrong thread not unwound"
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}
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-re ".* in main .*$gdb_prompt $" {
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pass "wrong thread not unwound"
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}
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}
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# Continuing now should exit the hand-call and pop the dummy frame.
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gdb_test "continue" ".*" "finish hand-call"
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gdb_test_multiple "maint print dummy-frames" "dummy frame popped" {
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-re ".*stack=.*$gdb_prompt $" {
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fail "dummy frame popped"
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}
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-re ".*$gdb_prompt $" {
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pass "dummy frame popped"
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}
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}
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# Continue one last time, the program should exit normally.
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gdb_continue_to_end "" continue 1
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return 0
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