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

   1 # Copyright 2007, 2008, 2009, 2010, 2011 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 if $tracelevel then {
  19     strace $tracelevel
  20 }
  21
  22 # Test displaying call clobbered registers in optimized binaries.
  23 # GDB should not show incorrect values.
  24
  25 set testfile clobbered-registers-O2
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28
  29 # What compiler are we using?
  30 #
  31 if [get_compiler_info ${binfile}] {
  32     return -1
  33 }
  34
  35 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat debug optimize=-O2 nowarnings]] != "" } {
  36      untested clobbered-registers-O2.exp
  37      return -1
  38 }
  39
  40 # use this to debug:
  41 #log_user 1
  42
  43 gdb_exit
  44 gdb_start
  45 gdb_reinitialize_dir $srcdir/$subdir
  46 gdb_load ${binfile}
  47
  48 if { ![runto start_sequence] } then {
  49    fail "run to start_sequence"
  50    return
  51 }
  52
  53 gdb_test "frame 1" "#1.*in gen_movsd.*" "Backtracing"
  54
  55 gdb_test_multiple "print operand0" "print operand0" {
  56     -re "\\\$$decimal = <value optimized out>\r\n$gdb_prompt $" { pass "print operand0"}
  57     -re "$hex\r\n$gdb_prompt $" { gdb_test "print *operand0" "13" "print operand0" }
  58 }
  59
  60 gdb_test_multiple "print operand1" "print operand1" {
  61     -re "\\\$$decimal = <value optimized out>\r\n$gdb_prompt $" { pass "print operand1"}
  62     -re "$hex\r\n$gdb_prompt $" { gdb_test "print *operand1" "14" "print operand1" }
  63 }
  64