gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.exp

   1 # Copyright 2008 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 # Minimal DWARF-2 unit test
  17
  18 # This test can only be run on targets which support DWARF-2 and use gas.
  19 # For now pick a sampling of likely targets.
  20 if {![istarget *-*-linux*]
  21     && ![istarget *-*-gnu*]
  22     && ![istarget *-*-elf*]
  23     && ![istarget *-*-openbsd*]
  24     && ![istarget arm-*-eabi*]
  25     && ![istarget powerpc-*-eabi*]} {
  26     return 0
  27 }
  28
  29 if {![istarget "i?86-*-*"]} then {
  30     return 0
  31 }
  32
  33 set testfile "dw2-ref-missing-frame"
  34 set srcfile ${testfile}.S
  35 set binfile ${objdir}/${subdir}/${testfile}
  36
  37 # First try referencing DW_AT_frame_base which is not defined.
  38 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list {additional_flags=-DNO_FRAME_BASE}]] != "" } {
  39     return -1
  40 }
  41
  42 gdb_exit
  43 gdb_start
  44 gdb_reinitialize_dir $srcdir/$subdir
  45 gdb_load ${binfile}
  46 runto_main
  47
  48 gdb_test "p var" {Could not find the frame base for "main".}
  49
  50 # And now try referencing DW_AT_frame_base defined using a self-reference
  51 # (DW_OP_fbreg).
  52 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
  53     return -1
  54 }
  55
  56 gdb_exit
  57 gdb_start
  58 gdb_reinitialize_dir $srcdir/$subdir
  59 gdb_load ${binfile}
  60 runto_main
  61
  62 gdb_test "p var" "DWARF-2 expression error: Loop detected .*"