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450d26c851
This changes many tests to use 'require' when checking target_info. In a few spots, the require is hoisted to the top of the file, to avoid doing any extra work when the test is going to be skipped anyway.
144 lines
3.9 KiB
Plaintext
144 lines
3.9 KiB
Plaintext
# Copyright 2017-2023 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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# Set a breakpoint with a "continue" command attached, let the
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# inferior hit the breakpoint continuously. Check that we can use ^C
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# to interrupt the command, and that if ^C is pressed while GDB has
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# the terminal (between the stop and the re-resume), the resulting
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# "Quit" doesn't mess up the debug session.
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require {!target_info exists gdb,nosignals}
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# This test requires sending ^C to interrupt the running target.
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require {!target_info exists gdb,nointerrupts}
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standard_testfile
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if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
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return -1
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}
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# See intro.
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proc do_test {} {
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global srcfile binfile
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global gdb_prompt
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gdb_test "break foo" "Breakpoint .*" "set breakpoint"
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gdb_test \
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[multi_line_input \
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{commands} \
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{ c} \
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{end}] \
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"" "commands"
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set test "stop with control-c"
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for {set iter 0} {$iter < 20} {incr iter} {
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# Useful for debugging.
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#send_user "iter: $iter\n"
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# Consume one breakpoint hit (at least), to make sure that the
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# continue actually continues between attempts, as opposed to
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# "c" not actually resuming and then Ctrl-C managing to
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# interrupt anyway.
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if {[gdb_test_multiple "continue" "$test (continue)" {
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-re "Continuing.*Breakpoint \[^\r\n\]*\r\n" {
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}
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}] != 0} {
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return
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}
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set internal_pass "IPASS: $test (iter $iter)"
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# Breakpoint commands run after the target is considered
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# stopped, and thus run with GDB owning the terminal. That
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# means that it is expected that a Ctrl-C that arrives between
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# - GDB reporting the breakpoint hit, and,
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# - the breakpoint command continuing the target
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# results in a Quit.
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after 200 {send_gdb "\003"}
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if {[gdb_test_multiple "" "$test (unexpected)" {
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-re "Program terminated with signal SIGALRM.*\r\n$gdb_prompt $" {
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fail "$test (SIGALRM)"
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return
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}
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-re "Program received signal SIGINT.*\r\n$gdb_prompt $" {
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send_log "$internal_pass (SIGINT)\n"
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}
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-re "Quit\r\n$gdb_prompt $" {
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send_log "$internal_pass (Quit)\n"
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# Check that if we managed to quit somewhere deep in
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# the unwinders, we can still unwind again.
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set ok 0
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gdb_test_multiple "bt" "$internal_pass (bt)" {
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-re "#0.*$gdb_prompt $" {
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send_log "$internal_pass (bt)\n"
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set ok 1
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}
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}
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if {!$ok} {
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return
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}
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}
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-re "Quit\r\n\r\nCommand aborted.\r\n$gdb_prompt $" {
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send_log "$internal_pass (Command aborted)\n"
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}
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-re "Breakpoint \[^\r\n\]*$srcfile" {
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exp_continue
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}
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}] != 0} {
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break
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}
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}
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gdb_assert {$iter == 20} "stop with control-c"
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}
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# With native debugging and "run" (with job control), if the inferior
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# is running, the Ctrl-C reaches the inferior directly, not GDB. With
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# native debugging and "attach", or with remote debugging, the Ctrl-C
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# reaches GDB first. So for completeness, try both "run" and
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# "attach".
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with_test_prefix "run" {
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clean_restart $binfile
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if {![runto_main]} {
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return -1
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}
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do_test
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}
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with_test_prefix "attach" {
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if {[can_spawn_for_attach]} {
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clean_restart $binfile
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set test_spawn_id [spawn_wait_for_attach $binfile]
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set testpid [spawn_id_get_pid $test_spawn_id]
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gdb_test "attach $testpid" "Attaching to.*process $testpid.*" "attach"
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do_test
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kill_wait_spawned_process $test_spawn_id
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}
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}
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