gdb/testsuite/gdb.dwarf2/debug-names-tu.exp.tcl

   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 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 _start.c debug-names.S
  24
  25 set func_info_vars \
  26     [get_func_info _start [list debug additional_flags=-nostartfiles]]
  27
  28 # Create the DWARF.
  29 set asm_file [standard_output_file $srcfile2]
  30 Dwarf::assemble {
  31     filename $asm_file
  32     add_dummy_cus 0
  33 } {
  34     global dwarf_version
  35     global func_info_vars
  36     foreach var $func_info_vars {
  37         global $var
  38     }
  39
  40     cu { label cu_label version $dwarf_version } {
  41         compile_unit {{language @DW_LANG_C}} {
  42             subprogram {
  43                 {DW_AT_name _start}
  44                 {DW_AT_low_pc $_start_start DW_FORM_addr}
  45                 {DW_AT_high_pc $_start_end DW_FORM_addr}
  46             }
  47         }
  48     }
  49
  50     tu { label tu_label version $dwarf_version } 0x8ece66f4224fddb3 "" {
  51         type_unit {} {
  52             declare_labels int_type
  53
  54             structure_type {
  55                 {name struct_with_int_member}
  56                 {byte_size 4 sdata}
  57             } {
  58                 member {
  59                     {name member}
  60                     {type :$int_type}
  61                 }
  62             }
  63             int_type: base_type {
  64                 {name int}
  65                 {encoding @DW_ATE_signed}
  66                 {byte_size 4 sdata}
  67             }
  68         }
  69     }
  70
  71     debug_names {} {
  72         cu cu_label
  73         tu tu_label
  74         name _start subprogram cu_label 0xEDDB6232
  75         name struct_with_int_member structure_type tu_label 0x53A2AE86
  76     }
  77 }
  78
  79 if [prepare_for_testing "failed to prepare" $testfile "${asm_file} ${srcfile}" \
  80         [list additional_flags=-nostartfiles]] {
  81     return -1
  82 }
  83
  84 # Verify that .debug_names section is not ignored.
  85 set index [have_index $binfile]
  86 gdb_assert { [string equal $index "debug_names"] } ".debug_names used"
  87
  88 # Verify that we can find the type in the type unit.
  89 set re \
  90     [multi_line \
  91          "type = struct struct_with_int_member {" \
  92          "    int member;" \
  93          "}"]
  94 gdb_test "ptype struct struct_with_int_member" $re