# Copyright (C) 2019 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/>.

# Test a binary with address signing works regardless of whether the target
# supports pauth instructions.  On non pauth systems, all pauth instructions
# are treated as nops.

if {![is_aarch64_target]} {
    verbose "Skipping ${gdb_test_file_name}."
    return
}

# Build program with address signing forced on.
standard_testfile
set compile_flags {debug}
lappend compile_flags "additional_flags=-msign-return-address=all"
lappend compile_flags "additional_flags=-fno-inline"
if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} ${compile_flags}] } {
    return -1
}

if ![runto_main] {
    untested "could not run to main"
    return -1
}

gdb_breakpoint [ gdb_get_line_number "break here" ]
gdb_continue_to_breakpoint "break here" ".*break here.*"

# Ensure we can get a full backtrace, despite the address signing.
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"