gdb/testsuite/gdb.dwarf2/callframecfa.exp

   1 # Copyright 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 load_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.
  20 if {![dwarf2_support]} {
  21     return 0
  22 }
  23 # This test can only be run on x86 targets.
  24 if {![is_x86_like_target]} {
  25     return 0
  26 }
  27
  28 set testfile "callframecfa"
  29 set srcfile ${testfile}.S
  30 set binfile ${objdir}/${subdir}/${testfile}.x
  31
  32 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
  33        [list {additional_flags=-nostdlib}]] != "" } {
  34     return -1
  35 }
  36
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40 gdb_load ${binfile}
  41
  42 if ![runto_main] {
  43     return -1
  44 }
  45
  46 gdb_test "break *func" "Breakpoint 2.*" "set breakpoint for call-frame-cfa"
  47 gdb_continue_to_breakpoint "continue to breakpoint for call-frame-cfa"
  48 gdb_test "display arg" "arg = 77" "set display for call-frame-cfa"
  49
  50 # We know how many instructions are in the function.  Note that we
  51 # can't handle the "ret" instruction due to the epilogue unwinder.
  52 for {set i 1} {$i < 5} {incr i} {
  53     gdb_test "si" "arg = 77" "step $i for call-frame-cfa"
  54 }