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

   1 # Copyright 2008-2024 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 require dwarf2_support
  19
  20 standard_testfile .S -func.c -main.c
  21 lassign [function_range func_nofb \
  22              "${srcdir}/${subdir}/${srcfile2} ${srcdir}/${subdir}/${srcfile3}"] \
  23     func_nofb_start func_nofb_len
  24 lassign [function_range func_loopfb \
  25              "${srcdir}/${subdir}/${srcfile2} ${srcdir}/${subdir}/${srcfile3}"] \
  26     func_loopfb_start func_loopfb_len
  27
  28 set flags {}
  29 lappend flags \
  30     additional_flags=[quote_for_host -DFUNC_NOFB_START=$func_nofb_start]
  31 lappend flags \
  32     additional_flags=[quote_for_host -DFUNC_NOFB_END=$func_nofb_start \
  33                           + $func_nofb_len]
  34 lappend flags \
  35     additional_flags=[quote_for_host -DFUNC_LOOPFB_START=$func_loopfb_start]
  36 lappend flags \
  37     additional_flags=[quote_for_host -DFUNC_LOOPFB_END=$func_loopfb_start \
  38                           + $func_loopfb_len]
  39
  40 set executable ${testfile}
  41
  42 if { [prepare_for_testing_full "failed to prepare" \
  43           [list $testfile {} \
  44                $srcfile [concat $flags {nodebug}]  \
  45                $srcfile2 {nodebug} \
  46                $srcfile3 {debug}]] == -1 } {
  47     return -1
  48 }
  49
  50 # First try referencing DW_AT_frame_base which is not defined.
  51 if [runto func_nofb] {
  52     gdb_test "p func_nofb_var" {Could not find the frame base for "func_nofb".} "func_nofb print"
  53     gdb_test "bt full" " in main .* main_var = 1" "func_nofb backtrace"
  54 }
  55
  56 # GDB could have crashed.
  57 clean_restart $executable
  58
  59 # And now try referencing DW_AT_frame_base defined using a self-reference
  60 # (DW_OP_fbreg).
  61 if [runto func_loopfb] {
  62     gdb_test "p func_loopfb_var" "DWARF-2 expression error: Loop detected .*" "func_loopfb print"
  63     gdb_test "bt full" " in main .* main_var = 1" "func_loopfb backtrace"
  64 }