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 load_lib dwarf.exp
  16
  17 # This test can only be run on targets which support DWARF-2 and use gas.
  18 if {![dwarf2_support]} {
  19     return 0
  20 }
  21
  22 set testfile "dw2-ref-missing-frame"
  23 set srcsfile ${testfile}.S
  24 set objsfile ${objdir}/${subdir}/${testfile}.o
  25 set srcfuncfile ${testfile}-func.c
  26 set objfuncfile ${objdir}/${subdir}/${testfile}-func.o
  27 set srcmainfile ${testfile}-main.c
  28 set objmainfile ${objdir}/${subdir}/${testfile}-main.o
  29 set executable ${testfile}
  30 set binfile ${objdir}/${subdir}/${executable}
  31
  32 if { [gdb_compile "${srcdir}/${subdir}/${srcsfile}" $objsfile object {}] != ""
  33      || [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" $objfuncfile object {}] != ""
  34      || [gdb_compile "${srcdir}/${subdir}/${srcmainfile}" $objmainfile object {debug}] != ""
  35      || [gdb_compile "$objsfile $objfuncfile $objmainfile" $binfile executable {}] != "" } {
  36     return -1
  37 }
  38
  39 clean_restart $executable
  40
  41 # First try referencing DW_AT_frame_base which is not defined.
  42 if [runto func_nofb] {
  43     gdb_test "p func_nofb_var" {Could not find the frame base for "func_nofb".} "func_nofb print"
  44     gdb_test "bt full" " in main .* main_var = 1" "func_nofb backtrace"
  45 }
  46
  47 # GDB could have crashed.
  48 clean_restart $executable
  49
  50 # And now try referencing DW_AT_frame_base defined using a self-reference
  51 # (DW_OP_fbreg).
  52 if [runto func_loopfb] {
  53     gdb_test "p func_loopfb_var" "DWARF-2 expression error: Loop detected .*" "func_loopfb print"
  54     gdb_test "bt full" " in main .* main_var = 1" "func_loopfb backtrace"
  55 }