2004-04-21 Andrew Cagney <cagney@redhat.com>
* gdb.base/sigstep.c: New file. * gdb.base/sigstep.exp: New file.
This commit is contained in:
Andrew Cagney
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2004-04-21 Andrew Cagney <cagney@redhat.com>
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* gdb.base/sigstep.c: New file.
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* gdb.base/sigstep.exp: New file.
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2004-04-16 Joel Brobecker <brobecker@gnat.com>
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* gdb.gdb/observer.exp (test_normal_stop_notifications): Update
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/* This testcase is part of GDB, the GNU debugger.
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Copyright 2004 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 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <signal.h>
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#include <sys/time.h>
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static volatile int done;
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static void
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handler (int sig)
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{
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done = 1;
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} /* handler */
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main ()
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{
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/* Set up the signal handler. */
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{
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struct sigaction action;
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memset (&action, 0, sizeof (action));
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action.sa_handler = handler;
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sigaction (SIGVTALRM, &action, NULL);
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}
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/* Set up a one-off timer. A timer, rather than SIGSEGV, is used as
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after a timer handler finishes the interrupted code can safely
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resume. */
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{
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struct itimerval itime;
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memset (&itime, 0, sizeof (itime));
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itime.it_value.tv_usec = 250 * 1000;
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setitimer (ITIMER_VIRTUAL, &itime, NULL);
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}
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/* Wait. */
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while (!done);
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return 0;
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} /* main */
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# Copyright 2004 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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# The program sigstep.c creates a very simple backtrace containing one
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# signal handler and signal trampoline.
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# This test runs the program up to the signal handler, and then
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# attempts to step/next the inferior back to main.
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if [target_info exists gdb,nosignals] {
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verbose "Skipping sigstep.exp because of nosignals."
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continue
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}
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set testfile sigstep
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "Couldn't compile ${module}.c"
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return -1
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}
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# get things started
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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gdb_test "display/i \$pc"
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# Advance to main
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if { ![runto_main] } then {
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gdb_suppress_tests;
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}
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# Pass all the alarms straight through (but verbosely)
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# gdb_test "handle SIGALRM print pass nostop"
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# gdb_test "handle SIGVTALRM print pass nostop"
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# gdb_test "handle SIGPROF print pass nostop"
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# Run to the signal handler, validate the backtrace.
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gdb_test "break handler"
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gdb_test "continue" ".* handler .*" "continue to stepi handler"
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send_gdb "bt\n"
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gdb_expect_list "backtrace for nexti" ".*$gdb_prompt $" {
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"\[\r\n\]+.0 \[^\r\n\]* handler "
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"\[\r\n\]+.1 .signal handler called."
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"\[\r\n\]+.2 \[^\r\n\]* main .*"
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}
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proc advance { i } {
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global gdb_prompt
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# Get us back into the handler
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rerun_to_main
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gdb_test "continue" ".* handler .*" "continue to handler for $i"
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set test "$i out of handler"
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gdb_test_multiple "$i" "${test}" {
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-re "done = 1;.*${gdb_prompt} $" {
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send_gdb "$i\n"
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exp_continue
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}
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-re "\} .. handler .*${gdb_prompt} $" {
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send_gdb "$i\n"
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exp_continue
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}
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-re "Program exited normally.*${gdb_prompt} $" {
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kfail gdb/1613 "$test (Program exited normally)"
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}
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-re "while ..done.*${gdb_prompt} $" {
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# After stepping out of a function, GDB might find that
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# the inferior is already at the first instruction of this
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# line.
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pass "$test"
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}
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-re "return 0.*${gdb_prompt} $" {
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# After stepping out of a function, GDB will advance the
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# inferior to the start of the next line.
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pass "$test"
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}
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}
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}
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proc advancei { i } {
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global gdb_prompt
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set program_exited 0
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# Get us back into the handler
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rerun_to_main
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gdb_test "continue" ".* handler .*" "continue to handler for $i"
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set test "$i into signal trampoline"
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gdb_test_multiple "$i" "${test}" {
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-re "done = 1;.*${gdb_prompt} $" {
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send_gdb "$i\n"
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exp_continue
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}
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-re "\} .. handler .*${gdb_prompt} $" {
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send_gdb "$i\n"
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exp_continue
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}
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-re "signal handler called.*${gdb_prompt} $" {
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pass "$test"
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}
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-re "Program exited normally.*${gdb_prompt} $" {
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kfail gdb/1613 "$test (Program exited normally)"
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set program_exited 1
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}
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-re "main .*${gdb_prompt} $" {
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fail "$test (in main)"
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}
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-re "Make handler return now.*y or n. $" {
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send_gdb "y\n"
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exp_continue
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}
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}
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set test "$i out of signal trampoline"
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gdb_test_multiple "$i" "${test}" {
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-re "while .*${gdb_prompt} $" {
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pass "$test (in main)"
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}
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-re "signal handler called.*${gdb_prompt} $" {
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send_gdb "$i\n"
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exp_continue
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}
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-re "return .*${gdb_prompt} $" {
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fail "$test (stepped)"
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}
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-re "Make .*frame return now.*y or n. $" {
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send_gdb "y\n"
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exp_continue
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}
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-re "The program is not being run.*${gdb_prompt} $" {
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if { $program_exited } {
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# Previously kfailed with an exit
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pass "$test (The program is not being run)"
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} else {
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fail "$test"
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}
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}
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}
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}
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advance step
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advancei stepi
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advance next
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advancei nexti
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advancei finish
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advancei return
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