gdb/testsuite/gdb.dwarf2/dw2-bad-unresolved.exp

   1 # Copyright 2015-2021 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 load_lib dwarf.exp
  17
  18 # This test can only be run on targets which support DWARF-2 and use gas.
  19 if {![dwarf2_support]} {
  20     return 0
  21 }
  22
  23 standard_testfile .c -2.S
  24
  25 # Set up the DWARF for the test.
  26 # The key part of this is the definition of variable "var" having no location.
  27 # That will cause it to have LOC_UNRESOLVED.
  28
  29 set asm_file [standard_output_file $srcfile2]
  30 Dwarf::assemble $asm_file {
  31     global srcfile
  32
  33     cu {} {
  34         DW_TAG_compile_unit {
  35             {DW_AT_language @DW_LANG_C}
  36             {DW_AT_name     $srcfile}
  37             {DW_AT_comp_dir /tmp}
  38         } {
  39             declare_labels b_l
  40
  41             b_l: DW_TAG_base_type {
  42                 {DW_AT_byte_size 1 DW_FORM_sdata}
  43                 {DW_AT_encoding  @DW_ATE_signed}
  44                 {DW_AT_name      bool}
  45             }
  46             DW_TAG_variable {
  47                 {name var}
  48                 {type :$b_l}
  49                 {external 1 flag}
  50             }
  51         }
  52     }
  53 }
  54
  55 if { [prepare_for_testing "failed to prepare" ${testfile} \
  56           [list $srcfile $asm_file] {nodebug}] } {
  57     return -1
  58 }
  59
  60 gdb_test "ptype var" "type = bool"
  61 gdb_test "print var" "Missing .* symbol \"var\"."