2018-01-01 05:43:02 +01:00
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# Copyright 2013-2018 Free Software Foundation, Inc.
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2013-10-07 07:34:11 +02:00
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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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# This test checks both $_exitcode and $_exitsignal variables. The
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# purpose of this checking is to ensure that the variables are
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# mutually exclusive, i.e., that when $_exitsignal is set, $_exitcode
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# is not, and vice-versa. This mutual exclusion happens because if an
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# inferior exited (either successfuly or not), it certainly was not
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# killed by a signal. However, if it was killed by an uncaught
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# signal, then there is no way for it to have exited.
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if { [target_info exists gdb,nosignals] } {
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verbose "Skipping exitsignal.exp because of nosignals."
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continue
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}
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standard_testfile segv.c
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2016-12-23 17:52:18 +01:00
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if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
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2013-10-07 07:34:11 +02:00
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return -1
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}
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# Run to main
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if { ![runto_main] } {
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return -1
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}
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# Print $_exitsignal. It should be void now, because nothing
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# happened.
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gdb_test "print \$_exitsignal" " = void" \
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"\$_exitsignal is void before running"
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# Just to guarantee, making sure that $_exitcode is also void.
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gdb_test "print \$_exitcode" " = void" \
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"\$_exitcode is void before running"
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# Trigger SIGSEGV.
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gdb_test "continue" "Program received signal SIGSEGV.*" "trigger SIGSEGV"
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# Continue until the end.
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gdb_test "continue" "Program terminated with signal SIGSEGV.*" \
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"program terminated with SIGSEGV"
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# Now, print $_exitsignal again. It should be 11 (SIGSEGV).
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gdb_test "print \$_exitsignal" " = 11" \
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"\$_exitsignal is 11 (SIGSEGV) after SIGSEGV."
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# And $_exitcode should still be void, since the inferior died because
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# of a signal, and did not return.
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gdb_test "print \$_exitcode" " = void" \
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"\$_exitcode is still void after SIGSEGV"
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# Re-run to main, i.e., restart the executable.
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rerun_to_main
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# Print the $_exitsignal again. Even in this normal scenario, it
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# should still contain the signal triggered in the other run.
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gdb_test "print \$_exitsignal" " = 11" \
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"\$_exitsignal is 11 (SIGSEGV) after restarting the inferior"
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# And, again, print $_exitcode.
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gdb_test "print \$_exitcode" " = void" \
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"\$_exitcode is still void after restarting the inferior"
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# Now we test the behaviour of $_exit{code,signal} during a normal
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# inferior execution.
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standard_testfile normal.c
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2016-12-23 17:52:18 +01:00
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if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
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2013-10-07 07:34:11 +02:00
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return -1
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}
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# Checking $_exitsignal and $_exitcode, both should be void before the
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# inferior is executed.
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gdb_test "print \$_exitsignal" " = void" \
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"\$_exitsignal is void before normal inferior is executed"
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gdb_test "print \$_exitcode" " = void" \
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"\$_exitcode is void before normal inferior is executed"
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# Run the inferior until the end.
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if { ![runto_main] } {
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return -1
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}
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gdb_continue_to_end
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# Checking $_exitcode. It should be 0.
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gdb_test "print \$_exitcode" " = 0" \
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"\$_exitcode is zero after normal inferior is executed"
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# Checking $_exitsignal. It should still be void, since the inferior
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# has not received any signal.
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gdb_test "print \$_exitsignal" " = void" \
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"\$_exitsignal is still void after normal inferior is executed"
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