gdb/testsuite/gdb.dwarf2/struct-decl.exp

   1 # Copyright 2022-2024 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
  16 # Check that the DWARF reader works when a DW_AT_specification refers
  17 # into a type hierarchy that is marked as a declaration.
  18
  19 load_lib dwarf.exp
  20
  21 # This test can only be run on targets which support DWARF-2 and use gas.
  22 require dwarf2_support
  23
  24 standard_testfile main.c -debug.S
  25
  26 # Set up the DWARF for the test.
  27 set asm_file [standard_output_file $srcfile2]
  28 Dwarf::assemble $asm_file {
  29     global srcfile
  30
  31     cu {} {
  32         DW_TAG_compile_unit {
  33             {DW_AT_language @DW_LANG_C_plus_plus}
  34             {DW_AT_name     $srcfile}
  35             {DW_AT_comp_dir /tmp}
  36
  37         } {
  38             declare_labels origin
  39
  40             # The new indexer was ignoring types that were marked as
  41             # declarations, even if they could contain methods --
  42             # which meant that if a method referred back to them via a
  43             # specification, it would get the wrong name.
  44             DW_TAG_structure_type {
  45                 {DW_AT_byte_size 8 DW_FORM_sdata}
  46                 {DW_AT_encoding  @DW_ATE_signed}
  47                 {DW_AT_name the_type}
  48                 {DW_AT_declaration 1 DW_FORM_flag_present}
  49             } {
  50                 origin: DW_TAG_subprogram {
  51                     {DW_AT_name "method"}
  52                     {DW_AT_declaration 1 DW_FORM_flag_present}
  53                 }
  54             }
  55
  56             # The low and high PC are phony: we just need an address
  57             # range that is valid in the program, so we use the main
  58             # function's range.
  59             DW_TAG_subprogram {
  60                 {DW_AT_specification :$origin}
  61                 {MACRO_AT_range main}
  62             }
  63         }
  64     }
  65 }
  66
  67 if {[prepare_for_testing "failed to prepare" ${testfile} \
  68          [list $srcfile $asm_file] {nodebug}]} {
  69     return -1
  70 }
  71
  72 gdb_breakpoint "the_type::method" message