gdb/testsuite/gdb.dwarf2/debug-names-non-ascending-cu.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     cu { label cu_label_2 } {
  50         compile_unit {{language @DW_LANG_C}} {
  51             base_type {
  52                 {name int}
  53                 {byte_size 4 sdata}
  54                 {encoding @DW_ATE_signed}
  55             }
  56         }
  57     }
  58
  59     debug_names {} {
  60         cu cu_label_2
  61         cu cu_label
  62         name _start subprogram cu_label 0xEDDB6232
  63         name int base_type cu_label 0xB888030
  64     }
  65 }
  66
  67 if [prepare_for_testing "failed to prepare" $testfile "${asm_file} ${srcfile}" \
  68         [list additional_flags=-nostartfiles]] {
  69     return -1
  70 }
  71
  72 # Check for warning.
  73 set re \
  74     [list \
  75          "warning:" \
  76          "Section .debug_names has non-ascending CU table," \
  77          "ignoring .debug_names."]
  78 set re [join $re]
  79 gdb_assert {[regexp $re $gdb_file_cmd_msg]} "warning"
  80
  81 # Verify that .debug_names section is ignored.
  82 set index [have_index $binfile]
  83 gdb_assert { [string equal $index ""] } ".debug_names not used"