1# Copyright 2009-2023 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/>. 15load_lib dwarf.exp 16 17# Test DW_OP_call_frame_cfa. 18 19# This test can only be run on targets which support DWARF-2 and use gas. 20if {![dwarf2_support]} { 21 return 0 22} 23# This test can only be run on x86 targets. 24if {![is_x86_like_target]} { 25 return 0 26} 27 28standard_testfile .S 29 30if {[prepare_for_testing "failed to prepare" $testfile $srcfile \ 31 [list {additional_flags=-nostdlib}]]} { 32 return -1 33} 34 35if ![runto_main] { 36 return -1 37} 38 39gdb_test "break *func" "Breakpoint 2.*" "set breakpoint for call-frame-cfa" 40gdb_continue_to_breakpoint "continue to breakpoint for call-frame-cfa" 41gdb_test "display arg" "arg = 77" "set display for call-frame-cfa" 42 43# We know how many instructions are in the function. Note that we 44# can't handle the "ret" instruction due to the epilogue unwinder. 45for {set i 1} {$i < 5} {incr i} { 46 gdb_test "si" "arg = 77" "step $i for call-frame-cfa" 47} 48