clobbered-registers-O2.exp revision 1.5
1# Copyright 2007-2015 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# This file is part of the gdb testsuite. 17 18# Test displaying call clobbered registers in optimized binaries. 19# GDB should not show incorrect values. 20 21standard_testfile 22 23# What compiler are we using? 24# 25if [get_compiler_info] { 26 return -1 27} 28 29if {[prepare_for_testing $testfile.exp $testfile $srcfile \ 30 {debug optimize=-O2 nowarnings}]} { 31 return -1 32} 33 34if { ![runto start_sequence] } then { 35 fail "run to start_sequence" 36 return 37} 38 39gdb_test "frame 1" "#1.*in gen_movsd.*" "Backtracing" 40 41gdb_test_multiple "print operand0" "print operand0" { 42 -re "\\\$$decimal = <optimized out>\r\n$gdb_prompt $" { pass "print operand0"} 43 -re "$hex\r\n$gdb_prompt $" { gdb_test "print *operand0" "13" "print operand0" } 44} 45 46gdb_test_multiple "print operand1" "print operand1" { 47 -re "\\\$$decimal = <optimized out>\r\n$gdb_prompt $" { pass "print operand1"} 48 -re "$hex\r\n$gdb_prompt $" { gdb_test "print *operand1" "14" "print operand1" } 49} 50 51