gdb/testsuite/gdb.opt/clobbered-registers-O2.exp

   1 # Copyright 2007-2022 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
  21 standard_testfile
  22
  23 # What compiler are we using?
  24 #
  25 if [get_compiler_info] {
  26     return -1
  27 }
  28
  29 if {[prepare_for_testing "failed to prepare" $testfile $srcfile \
  30          {debug optimize=-O2 nowarnings}]} {
  31     return -1
  32 }
  33
  34 if { ![runto start_sequence] } then {
  35    return
  36 }
  37
  38 gdb_test "frame 1" "#1.*in gen_movsd.*" "backtracing"
  39
  40 gdb_test_multiple "print operand0" "print operand0" {
  41     -re "\\\$$decimal = <optimized out>\r\n$gdb_prompt $" { pass "print operand0"}
  42     -re "$hex\r\n$gdb_prompt $" { gdb_test "print *operand0" "13" "print operand0" }
  43 }
  44
  45 gdb_test_multiple "print operand1" "print operand1" {
  46     -re "\\\$$decimal = <optimized out>\r\n$gdb_prompt $" { pass "print operand1"}
  47     -re "$hex\r\n$gdb_prompt $" { gdb_test "print *operand1" "14" "print operand1" }
  48 }
  49