gdb/gdb-vla-frame-set.patch

92 lines
2.8 KiB
Diff

commit 51dab9e418741ac7065cd5a6ec9b57285e90227c
https://bugzilla.redhat.com/show_bug.cgi?id=738482
--- a/gdb/printcmd.c
+++ b/gdb/printcmd.c
@@ -1981,6 +1981,10 @@ print_variable_and_value (const char *name, struct symbol *var,
struct value_print_options opts;
val = read_var_value (var, frame);
+
+ make_cleanup_restore_selected_frame ();
+ select_frame (frame);
+
get_user_print_options (&opts);
common_val_print (val, stream, indent, &opts, current_language);
}
--- /dev/null
+++ b/gdb/testsuite/gdb.base/vla-frame.c
@@ -0,0 +1,31 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2011 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#include <string.h>
+
+int
+main (int argc, char **argv)
+{
+ char s[2 + argc];
+ void (*f) (char *) = 0;
+
+ memset (s, 0, sizeof (s));
+ s[0] = 'X';
+
+ f (s);
+ return 0;
+}
--- /dev/null
+++ b/gdb/testsuite/gdb.base/vla-frame.exp
@@ -0,0 +1,38 @@
+# Copyright 2011 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 3 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, see <http://www.gnu.org/licenses/>.
+
+set testfile vla-frame
+set executable ${testfile}
+
+if { [prepare_for_testing ${testfile}.exp ${executable}] } {
+ return -1
+}
+
+if ![runto_main] {
+ return -1
+}
+
+set test "continue"
+gdb_test_multiple $test $test {
+ -re "Continuing\\.\r\n\r\nProgram received signal SIGSEGV, Segmentation fault\\.\r\n0x0+ in \\?\\? \\(\\)\r\n$gdb_prompt $" {
+ pass $test
+ }
+ -re "\r\n$gdb_prompt $" {
+ untested ${testfile}.exp
+ return
+ }
+}
+
+gdb_test "bt full" "\r\n +s = \"X\\\\000\"\r\n.*"