1 # This testcase is part of GDB, the GNU debugger.
3 # Copyright 2011-2014 Free Software Foundation, Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if [target_info exists gdb,nosignals] {
21 verbose "Skipping ${testfile}.exp because of nosignals."
25 if [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug}] {
26 untested ${testfile}.exp
30 if ![runto_main] then {
31 untested ${testfile}.exp
35 # If we can examine what's at memory address 0, it is possible that we
36 # could also execute it. This could probably make us run away,
37 # executing random code, which could have all sorts of ill effects,
38 # especially on targets without an MMU. Don't run the tests in that
41 gdb_test_multiple "x 0" "memory at address 0" {
42 -re "0x0:.*Cannot access memory at address 0x0.*$gdb_prompt $" { }
43 -re "0x0:.*Error accessing memory address 0x0.*$gdb_prompt $" { }
44 -re ".*$gdb_prompt $" {
45 untested "Memory at address 0 is possibly executable"
50 # Run until we hit the SIGSEGV (or SIGBUS on some platforms).
52 ".*Program received signal (SIGBUS|SIGSEGV).*bowler.*" \
55 # Insert conditional breakpoint at faulting instruction
56 gdb_test "break if 0" ".*" "set conditional breakpoint"
58 # Set SIGSEGV/SIGBUS to pass+nostop
59 gdb_test "handle SIGSEGV nostop print pass" ".*" "pass SIGSEGV"
60 gdb_test "handle SIGBUS nostop print pass" ".*" "pass SIGBUS"
62 # Step off the faulting instruction into the handler, triggering nested faults
64 ".*Program received signal (SIGBUS|SIGSEGV).*Program received signal (SIGBUS|SIGSEGV).*exited normally.*" \
65 "run through nested faults"