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

   1 # Copyright 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 test can only be run on targets which support DWARF-2 and use gas.
  17 # For now pick a sampling of likely targets.
  18 if {![istarget *-*-linux*]
  19     && ![istarget *-*-gnu*]
  20     && ![istarget *-*-elf*]
  21     && ![istarget *-*-openbsd*]
  22     && ![istarget arm-*-eabi*]
  23     && ![istarget powerpc-*-eabi*]} {
  24     return 0
  25 }
  26
  27 set testfile "dw2-ref-missing-frame"
  28 set srcsfile ${testfile}.S
  29 set objsfile ${objdir}/${subdir}/${testfile}.o
  30 set srcfuncfile ${testfile}-func.c
  31 set objfuncfile ${objdir}/${subdir}/${testfile}-func.o
  32 set srcmainfile ${testfile}-main.c
  33 set objmainfile ${objdir}/${subdir}/${testfile}-main.o
  34 set executable ${testfile}
  35 set binfile ${objdir}/${subdir}/${executable}
  36
  37 if { [gdb_compile "${srcdir}/${subdir}/${srcsfile}" $objsfile object {}] != ""
  38      || [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" $objfuncfile object {}] != ""
  39      || [gdb_compile "${srcdir}/${subdir}/${srcmainfile}" $objmainfile object {debug}] != ""
  40      || [gdb_compile "$objsfile $objfuncfile $objmainfile" $binfile executable {}] != "" } {
  41     return -1
  42 }
  43
  44 clean_restart $executable
  45
  46 # First try referencing DW_AT_frame_base which is not defined.
  47 if [runto func_nofb] {
  48     gdb_test "p func_nofb_var" {Could not find the frame base for "func_nofb".} "func_nofb print"
  49     gdb_test "bt full" " in main .* main_var = 1" "func_nofb backtrace"
  50 }
  51
  52 # GDB could have crashed.
  53 clean_restart $executable
  54
  55 # And now try referencing DW_AT_frame_base defined using a self-reference
  56 # (DW_OP_fbreg).
  57 if [runto func_loopfb] {
  58     gdb_test "p func_loopfb_var" "DWARF-2 expression error: Loop detected .*" "func_loopfb print"
  59     gdb_test "bt full" " in main .* main_var = 1" "func_loopfb backtrace"
  60 }