gdb/testsuite/gdb.arch/i386-word.exp

   1 # Copyright 2010 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@gnu.org
  18
  19 # This file is part of the gdb testsuite.
  20
  21 if $tracelevel {
  22     strace $tracelevel
  23 }
  24
  25 set prms_id 0
  26 set bug_id 0
  27
  28 if { ![istarget i?86-*-*] } {
  29     verbose "Skipping i386 word register tests."
  30     return
  31 }
  32
  33 set testfile "i386-word"
  34 set srcfile i386-pseudo.c
  35 set binfile ${objdir}/${subdir}/${testfile}
  36
  37 if [get_compiler_info ${binfile}] {
  38     return -1
  39 }
  40
  41 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug]] != "" } {
  42     untested ${testfile}
  43     return
  44 }
  45
  46 gdb_exit
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49 gdb_load ${binfile}
  50
  51 if ![runto_main] then {
  52     gdb_suppress_tests
  53 }
  54
  55 set word_regs(1) ax
  56 set word_regs(2) bx
  57 set word_regs(3) cx
  58 set word_regs(4) dx
  59
  60 gdb_test "break [gdb_get_line_number "first breakpoint here"]" \
  61          "Breakpoint .* at .*${srcfile}.*" \
  62          "set first breakpoint in main"
  63 gdb_continue_to_breakpoint "continue to first breakpoint in main"
  64
  65 for { set r 1 } { $r <= 4  } { incr r } {
  66     gdb_test "print/x \$$word_regs($r)" \
  67         ".. = 0x[format %x $r]2[format %x $r]1" \
  68         "check contents of %$word_regs($r)"
  69 }
  70
  71 for { set r 1 } { $r <= 4  } { incr r } {
  72   gdb_test "set var \$$word_regs($r) = $r" "" "set %$word_regs($r)"
  73 }
  74
  75 gdb_test "break [gdb_get_line_number "second breakpoint here"]" \
  76          "Breakpoint .* at .*${srcfile}.*" \
  77          "set second breakpoint in main"
  78 gdb_continue_to_breakpoint "continue to second breakpoint in main"
  79
  80 for { set r 1 } { $r <= 4  } { incr r } {
  81     gdb_test "print \$$word_regs($r)" \
  82         ".. = $r" \
  83         "check contents of %$word_regs($r)"
  84 }