gdb/testsuite/gdb.dwarf2/ada-thick-pointer.exp

   1 # Copyright 2020-2022 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 # Test that handling of Ada thick pointers does not rewrite other
  17 # similar types.
  18
  19 load_lib dwarf.exp
  20
  21 # This test can only be run on targets which support DWARF-2 and use gas.
  22 if {![dwarf2_support]} {
  23     return 0
  24 }
  25
  26 standard_testfile main.c -debug.S
  27
  28 # Set up the DWARF for the test.
  29
  30 set asm_file [standard_output_file $srcfile2]
  31 Dwarf::assemble $asm_file {
  32     global srcdir subdir srcfile
  33
  34     cu {} {
  35         DW_TAG_compile_unit {
  36                 {DW_AT_language @DW_LANG_Ada95}
  37                 {DW_AT_name     $srcfile}
  38         } {
  39             declare_labels integer array array_pointer bounds_pointer
  40
  41             integer: DW_TAG_base_type {
  42                 {DW_AT_byte_size 8 DW_FORM_sdata}
  43                 {DW_AT_encoding  @DW_ATE_signed}
  44                 {DW_AT_name      integer}
  45             }
  46
  47             array: DW_TAG_array_type {
  48                 {DW_AT_name array_type}
  49                 {DW_AT_type :$integer}
  50             } {
  51                 DW_TAG_subrange_type {
  52                     {DW_AT_type        :$integer}
  53                     {DW_AT_lower_bound 1 DW_FORM_data1}
  54                     {DW_AT_upper_bound 7 DW_FORM_data1}
  55                 }
  56             }
  57
  58             array_pointer: DW_TAG_pointer_type {
  59                 {DW_AT_type :$array}
  60                 {DW_AT_byte_size 8 DW_FORM_sdata}
  61             }
  62
  63             # This isn't exactly what GNAT emits, but it doesn't
  64             # matter.
  65             bounds_pointer: DW_TAG_pointer_type {
  66                 {DW_AT_type :$integer}
  67                 {DW_AT_byte_size 8 DW_FORM_sdata}
  68             }
  69
  70             DW_TAG_structure_type {
  71                 {DW_AT_name thick_pointer_type}
  72                 {DW_AT_byte_size 8 DW_FORM_sdata}
  73             } {
  74                 DW_TAG_member {
  75                     {DW_AT_name P_ARRAY}
  76                     {DW_AT_type :$array_pointer}
  77                     {DW_AT_data_member_location 0 DW_FORM_sdata}
  78                 }
  79                 DW_TAG_member {
  80                     {DW_AT_name P_BOUNDS}
  81                     {DW_AT_type :$bounds_pointer}
  82                     {DW_AT_data_member_location 8 DW_FORM_sdata}
  83                 }
  84             }
  85         }
  86     }
  87 }
  88
  89 if { [prepare_for_testing "failed to prepare" ${testfile} \
  90           [list $srcfile $asm_file] {nodebug}] } {
  91     return -1
  92 }
  93
  94 gdb_test_no_output "set language ada"
  95 gdb_test "ptype array_type" "type = array \\(1 \\.\\. 7\\) of integer"