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126 lines
3.6 KiB
Plaintext
126 lines
3.6 KiB
Plaintext
# Copyright (C) 2011-2020 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 that GDB steps over all breakpoints of threads not the stepping
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# thread, before actually proceeding with the stepped thread.
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standard_testfile
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set executable ${testfile}
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if [target_info exists gdb,nosignals] {
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verbose "Skipping ${testfile}.exp because of nosignals."
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return -1
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}
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if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
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executable [list debug "incdir=${objdir}"]] != "" } {
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return -1
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}
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# Prepare environment for test.
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proc setup {} {
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global executable
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global displaced
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with_test_prefix "setup" {
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clean_restart $executable
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if ![runto_main] {
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return -1
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}
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gdb_test_no_output "set displaced-stepping $displaced"
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gdb_breakpoint [gdb_get_line_number "set wait-threads breakpoint here"]
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gdb_continue_to_breakpoint "run to breakpoint"
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gdb_test "info threads" "\\\* 1 .* 2 .* 3 .*" "info threads shows all threads"
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gdb_test_no_output "set scheduler-locking on"
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gdb_breakpoint [gdb_get_line_number "set breakpoint thread 3 here"]
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gdb_breakpoint [gdb_get_line_number "set breakpoint thread 2 here"]
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gdb_test "thread 3" "Switching.*"
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gdb_continue_to_breakpoint "run to breakpoint in thread 3"
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gdb_test "p *myp = 0" " = 0" "unbreak loop in thread 3"
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gdb_test "thread 2" "Switching.*"
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gdb_continue_to_breakpoint "run to breakpoint in thread 2"
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gdb_test "p *myp = 0" " = 0" "unbreak loop in thread 2"
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# Disable scheduler locking.
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gdb_test_no_output "set scheduler-locking off"
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# Now all 3 threads are stopped for a breakpoint that needs to
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# be stepped over before thread 1 is resumed.
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}
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}
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foreach displaced { "off" "on" } {
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with_test_prefix "displaced=$displaced" {
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with_test_prefix "step" {
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setup
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gdb_test "thread 1" "Switching.*"
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gdb_test "step" "in wait_threads .*"
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}
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with_test_prefix "next" {
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setup
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gdb_test "thread 1" "Switching.*"
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gdb_test "next" "pthread_join.*"
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}
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with_test_prefix "continue" {
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setup
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gdb_breakpoint [gdb_get_line_number "EXIT_SUCCESS"]
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gdb_test "thread 1" "Switching.*"
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gdb_test "continue" "EXIT_SUCCESS.*"
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}
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# Try continuing with a queued signal in each of the threads
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# (one at a time). Should stop at the signal handler, instead
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# of re-trapping the breakpoint the threads were already
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# stopped at.
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foreach thread {1 2 3} {
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with_test_prefix "signal thr$thread" {
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setup
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# Queue a signal in THREAD.
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gdb_test "thread $thread" "Switching.*"
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gdb_test_no_output "queue-signal SIGUSR1"
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# Switch back to thread 1, and continue.
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gdb_test "thread 1" "Switching.*" "switch back to thread 1"
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gdb_breakpoint "sigusr1_handler" "set break at sigusr1_handler"
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set msg "continue to sigusr1_handler"
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gdb_test_multiple "continue" $msg {
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-re "Breakpoint .* sigusr1_handler .*$gdb_prompt $" {
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pass $msg
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}
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-re "Breakpoint .*$gdb_prompt $" {
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if {![can_single_step_to_signal_handler]
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&& $thread != 1 && $displaced == "off"} {
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setup_kfail "gdb/18214" "*-*-*"
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}
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fail $msg
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}
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}
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}
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}
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}
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}
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