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-rw-r--r--gdb/testsuite/ChangeLog5
-rw-r--r--gdb/testsuite/gdb.base/sigstep.c56
-rw-r--r--gdb/testsuite/gdb.base/sigstep.exp174
3 files changed, 235 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index c34838b..a08f38b 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2004-04-21 Andrew Cagney <cagney@redhat.com>
+
+ * gdb.base/sigstep.c: New file.
+ * gdb.base/sigstep.exp: New file.
+
2004-04-16 Joel Brobecker <brobecker@gnat.com>
* gdb.gdb/observer.exp (test_normal_stop_notifications): Update
diff --git a/gdb/testsuite/gdb.base/sigstep.c b/gdb/testsuite/gdb.base/sigstep.c
new file mode 100644
index 0000000..a9e8618
--- /dev/null
+++ b/gdb/testsuite/gdb.base/sigstep.c
@@ -0,0 +1,56 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2004 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+
+#include <stdio.h>
+#include <signal.h>
+#include <sys/time.h>
+
+static volatile int done;
+
+static void
+handler (int sig)
+{
+ done = 1;
+} /* handler */
+
+main ()
+{
+ /* Set up the signal handler. */
+ {
+ struct sigaction action;
+ memset (&action, 0, sizeof (action));
+ action.sa_handler = handler;
+ sigaction (SIGVTALRM, &action, NULL);
+ }
+
+ /* Set up a one-off timer. A timer, rather than SIGSEGV, is used as
+ after a timer handler finishes the interrupted code can safely
+ resume. */
+ {
+ struct itimerval itime;
+ memset (&itime, 0, sizeof (itime));
+ itime.it_value.tv_usec = 250 * 1000;
+ setitimer (ITIMER_VIRTUAL, &itime, NULL);
+ }
+
+ /* Wait. */
+ while (!done);
+ return 0;
+} /* main */
diff --git a/gdb/testsuite/gdb.base/sigstep.exp b/gdb/testsuite/gdb.base/sigstep.exp
new file mode 100644
index 0000000..6f94329
--- /dev/null
+++ b/gdb/testsuite/gdb.base/sigstep.exp
@@ -0,0 +1,174 @@
+# Copyright 2004 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+# The program sigstep.c creates a very simple backtrace containing one
+# signal handler and signal trampoline.
+
+# This test runs the program up to the signal handler, and then
+# attempts to step/next the inferior back to main.
+
+if [target_info exists gdb,nosignals] {
+ verbose "Skipping sigstep.exp because of nosignals."
+ continue
+}
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set testfile sigstep
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+ untested "Couldn't compile ${module}.c"
+ return -1
+}
+
+# get things started
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+gdb_test "display/i \$pc"
+
+# Advance to main
+if { ![runto_main] } then {
+ gdb_suppress_tests;
+}
+
+# Pass all the alarms straight through (but verbosely)
+# gdb_test "handle SIGALRM print pass nostop"
+# gdb_test "handle SIGVTALRM print pass nostop"
+# gdb_test "handle SIGPROF print pass nostop"
+
+# Run to the signal handler, validate the backtrace.
+gdb_test "break handler"
+gdb_test "continue" ".* handler .*" "continue to stepi handler"
+send_gdb "bt\n"
+gdb_expect_list "backtrace for nexti" ".*$gdb_prompt $" {
+ "\[\r\n\]+.0 \[^\r\n\]* handler "
+ "\[\r\n\]+.1 .signal handler called."
+ "\[\r\n\]+.2 \[^\r\n\]* main .*"
+}
+
+proc advance { i } {
+ global gdb_prompt
+
+ # Get us back into the handler
+ rerun_to_main
+ gdb_test "continue" ".* handler .*" "continue to handler for $i"
+
+ set test "$i out of handler"
+ gdb_test_multiple "$i" "${test}" {
+ -re "done = 1;.*${gdb_prompt} $" {
+ send_gdb "$i\n"
+ exp_continue
+ }
+ -re "\} .. handler .*${gdb_prompt} $" {
+ send_gdb "$i\n"
+ exp_continue
+ }
+ -re "Program exited normally.*${gdb_prompt} $" {
+ kfail gdb/1613 "$test (Program exited normally)"
+ }
+ -re "while ..done.*${gdb_prompt} $" {
+ # After stepping out of a function, GDB might find that
+ # the inferior is already at the first instruction of this
+ # line.
+ pass "$test"
+ }
+ -re "return 0.*${gdb_prompt} $" {
+ # After stepping out of a function, GDB will advance the
+ # inferior to the start of the next line.
+ pass "$test"
+ }
+ }
+}
+
+proc advancei { i } {
+ global gdb_prompt
+ set program_exited 0
+
+ # Get us back into the handler
+ rerun_to_main
+ gdb_test "continue" ".* handler .*" "continue to handler for $i"
+
+ set test "$i into signal trampoline"
+ gdb_test_multiple "$i" "${test}" {
+ -re "done = 1;.*${gdb_prompt} $" {
+ send_gdb "$i\n"
+ exp_continue
+ }
+ -re "\} .. handler .*${gdb_prompt} $" {
+ send_gdb "$i\n"
+ exp_continue
+ }
+ -re "signal handler called.*${gdb_prompt} $" {
+ pass "$test"
+ }
+ -re "Program exited normally.*${gdb_prompt} $" {
+ kfail gdb/1613 "$test (Program exited normally)"
+ set program_exited 1
+ }
+ -re "main .*${gdb_prompt} $" {
+ fail "$test (in main)"
+ }
+ -re "Make handler return now.*y or n. $" {
+ send_gdb "y\n"
+ exp_continue
+ }
+ }
+
+ set test "$i out of signal trampoline"
+ gdb_test_multiple "$i" "${test}" {
+ -re "while .*${gdb_prompt} $" {
+ pass "$test (in main)"
+ }
+ -re "signal handler called.*${gdb_prompt} $" {
+ send_gdb "$i\n"
+ exp_continue
+ }
+ -re "return .*${gdb_prompt} $" {
+ fail "$test (stepped)"
+ }
+ -re "Make .*frame return now.*y or n. $" {
+ send_gdb "y\n"
+ exp_continue
+ }
+ -re "The program is not being run.*${gdb_prompt} $" {
+ if { $program_exited } {
+ # Previously kfailed with an exit
+ pass "$test (The program is not being run)"
+ } else {
+ fail "$test"
+ }
+ }
+ }
+}
+
+advance step
+advancei stepi
+
+advance next
+advancei nexti
+
+advancei finish
+advancei return
generated by cgit v1.1 at 2024-11-11 17:48:20 +0000