xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.base/debug-expr.exp (revision 8b657b0747480f8989760d71343d6dd33f8d4cf9)
1# Copyright 2012-2023 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16# Test "set debug expr 1" on c expressions.
17
18# Test relies on checking gdb debug output. Do not run if gdb debug is
19# enabled as any debug will be redirected to the log.
20if [gdb_debug_enabled] {
21    untested "debug is enabled"
22    return 0
23}
24
25standard_testfile .c
26
27if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug}]} {
28    return -1
29}
30
31if ![runto_main] {
32    return -1
33}
34
35for { set i 0 } { $i < 4 } { incr i } {
36    gdb_test_no_output "set variable array\[$i\] = $i"
37}
38
39gdb_test_no_output "set debug expression 1"
40
41# This caused gdb to segfault.
42gdb_test_debug_expr "print /x {char\[4\]} array" \
43    "\[$\]$decimal = \\{0x0, 0x1, 0x2, 0x3\\}"
44
45# This caused gdb to output garbage and possibly segfault
46gdb_test_debug_expr "print \"hello\"" \
47    ".*OP_STRING\[^\r\n\]*.*: ordinary string.*\[\r\n\]\\$$decimal = \"hello\"" \
48    "string evaluation with debug expr"
49
50# An expression using a function call.
51gdb_test_debug_expr "print call_me ( &val )" \
52    ".*OP_FUNCALL\[^\r\n\]*.*UNOP_ADDR.*\[\r\n\]\\$$decimal = 0.*" \
53    "function call expression"
54