1 # Copyright (C) 2019-2020 Free Software Foundation, Inc.
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.
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.
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/>.
16 # Test a binary with address signing works regardless of whether the target
17 # supports pauth instructions. On non pauth systems, all pauth instructions
18 # are treated as nops.
20 if {![is_aarch64_target]} {
21 verbose "Skipping ${gdb_test_file_name}."
25 # Build program with address signing forced on.
27 set compile_flags {debug}
28 lappend compile_flags "additional_flags=-msign-return-address=all"
29 lappend compile_flags "additional_flags=-fno-inline"
30 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} ${compile_flags}] } {
35 untested "could not run to main"
39 gdb_breakpoint [ gdb_get_line_number "break here" ]
40 gdb_continue_to_breakpoint "break here" ".*break here.*"
42 # Ensure we can get a full backtrace, despite the address signing.
43 gdb_test "bt" "^bt\r\n#0 +bar *\\(b=9\\) +at.*\r\n#1 +0x\[0-9a-f\]* +in +foo \\(a=5\\).*\r\n#2 +0x\[0-9a-f\]* +in +main \\(\\).*" "backtrace"