mirror of
https://sourceware.org/git/binutils-gdb.git
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145 lines
4.2 KiB
Plaintext
145 lines
4.2 KiB
Plaintext
# Copyright 2008-2018 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 inferior resumption after discarding a hand-called function.
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# There are two things to test.
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# 1) Inferior stops normally. Upon resumption it should continue normally,
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# regardless of whatever signal the hand-called function got.
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# 2) Inferior is stopped at a signal. Upon resumption it should continue
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# with that signal, regardless of whatever the hand-called function did.
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if [target_info exists gdb,nosignals] {
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verbose "Skipping call-signal-resume.exp because of nosignals."
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continue
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}
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standard_testfile call-signals.c
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "failed to compile"
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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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proc get_dummy_frame_number { } {
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global gdb_prompt
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gdb_test_multiple "bt" "backtrace" {
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-re "#(\[0-9\]*) *<function called from gdb>.*$gdb_prompt $" {
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return $expect_out(1,string)
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}
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}
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return ""
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}
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# Start with a fresh gdb.
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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 stop_one" "Breakpoint \[0-9\]* at .*"
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gdb_test "continue" "Continuing.*Breakpoint \[0-9\]*, stop_one.*" \
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"continue to breakpoint at stop_one"
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# Call function (causing the program to get a signal), and see if gdb handles
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# it properly.
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if {[gdb_test "call gen_signal ()" \
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"\[\r\n\]*The program being debugged was signaled.*" \
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"inferior function call signaled"] != 0} {
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return 0
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}
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set frame_number [get_dummy_frame_number]
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if { "$frame_number" == "" } {
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fail "dummy stack frame number"
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setup_xfail "*-*-*"
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} else {
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pass "dummy stack frame number"
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}
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# Pop the dummy frame.
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gdb_test "frame $frame_number" ".*"
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gdb_test_no_output "set confirm off"
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gdb_test "return" ""
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# Verify there are no remains of the dummy frame.
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gdb_test_no_output "maintenance print dummy-frames"
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set test "maintenance info breakpoints"
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gdb_test_multiple $test $test {
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-re " call dummy .*\r\n$gdb_prompt $" {
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fail $test
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}
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-re "\r\n$gdb_prompt $" {
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pass $test
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}
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}
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# Resume execution, the program should continue without any signal.
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gdb_test "break stop_two" "Breakpoint \[0-9\]* at .*"
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gdb_test "continue" "Breakpoint \[0-9\]*, stop_two.*" \
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"continue to breakpoint at stop_two"
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# Continue again, we should get a signal.
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gdb_test "continue" "Program received signal .*" \
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"continue to receipt of signal"
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# Hand call another function that prematurely stops,
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# then manually pop the dummy stack frame.
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gdb_test "break null_hand_call" "Breakpoint \[0-9\]* at .*"
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gdb_test "call null_hand_call ()" "Breakpoint \[0-9\]*, null_hand_call.*" \
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"null_hand_call"
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set frame_number [get_dummy_frame_number]
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if { "$frame_number" == "" } {
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fail "dummy stack frame number"
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setup_xfail "*-*-*"
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# Need something.
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set frame_number 0
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} else {
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pass "dummy stack frame number"
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}
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# Pop the dummy frame.
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gdb_test "frame $frame_number" ".*"
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gdb_test_no_output "set confirm off"
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gdb_test "return" ""
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# Continue again, this time we should get to the signal handler.
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gdb_test "break handle_signal" "Breakpoint \[0-9\]* at .*"
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gdb_test "continue" "Breakpoint \[0-9\]*, handle_signal.*" \
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"continue to breakpoint at handle_signal"
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# Continue one last time, the program should exit normally.
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gdb_test "continue" "$inferior_exited_re normally." \
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"continue to program exit"
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return 0
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