gdb/testsuite/gdb.dwarf2/debug-names-bad-cu-index.exp

   1 # Copyright 2022-2023 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 func_info_vars
  35     foreach var $func_info_vars {
  36         global $var
  37     }
  38
  39     cu { label cu_label } {
  40         compile_unit {{language @DW_LANG_C}} {
  41             subprogram {
  42                 {DW_AT_name _start}
  43                 {DW_AT_low_pc $_start_start DW_FORM_addr}
  44                 {DW_AT_high_pc $_start_end DW_FORM_addr}
  45             }
  46         }
  47     }
  48
  49     tu { label tu_label } 0x8ece66f4224fddb3 "" {
  50         type_unit {} {
  51             declare_labels int_type
  52
  53             structure_type {
  54                 {name struct_with_int_member}
  55                 {byte_size 4 sdata}
  56             } {
  57                 member {
  58                     {name member}
  59                     {type :$int_type}
  60                 }
  61             }
  62             int_type: base_type {
  63                 {name int}
  64                 {encoding @DW_ATE_signed}
  65                 {byte_size 4 sdata}
  66             }
  67         }
  68     }
  69
  70     debug_names {} {
  71         cu cu_label
  72         tu tu_label
  73         name _start subprogram CU-1 0xEDDB6232
  74         name struct_with_int_member structure_type tu_label 0x53A2AE86
  75     }
  76 }
  77
  78 if [prepare_for_testing "failed to prepare" $testfile "${asm_file} ${srcfile}" \
  79         [list additional_flags=-nostartfiles]] {
  80     return -1
  81 }
  82
  83 # Verify that .debug_names section is not ignored.
  84 set index [have_index $binfile]
  85 gdb_assert { [string equal $index "debug_names"] } ".debug_names used"
  86
  87 set re "During symbol reading: .debug_names entry has bad CU index 1 "
  88 with_complaints 1 {
  89     gdb_test "p _start" "$re.*"
  90 }