gdb/testsuite/gdb.dwarf2/dw2-lexical-block-bare.exp

   1 # Copyright 2016-2023 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 load_lib dwarf.exp
  16
  17 # This test can only be run on targets which support DWARF-2 and use gas.
  18 if {![dwarf2_support]} {
  19     return 0
  20 }
  21
  22 standard_testfile main.c .S
  23
  24 # Make some DWARF for the test.
  25 set asm_file [standard_output_file $srcfile2]
  26 Dwarf::assemble $asm_file {
  27     cu {} {
  28         compile_unit {
  29             {MACRO_AT_range {main}}
  30         } {
  31             declare_labels integer_label
  32
  33             integer_label: DW_TAG_base_type {
  34                 {DW_AT_byte_size 4 DW_FORM_sdata}
  35                 {DW_AT_encoding  @DW_ATE_signed}
  36                 {DW_AT_name      integer}
  37             }
  38
  39             DW_TAG_subprogram {
  40                 {MACRO_AT_func {main}}
  41                 {DW_AT_external 1 flag}
  42             } {
  43                 DW_TAG_lexical_block {
  44                 } {
  45                     DW_TAG_variable {
  46                         {DW_AT_name testvar}
  47                             {DW_AT_type :$integer_label}
  48                             {DW_AT_external 1 flag}
  49                         {DW_AT_location {
  50                             DW_OP_addr [gdb_target_symbol main]
  51                         } SPECIAL_expr}
  52                     }
  53                 }
  54             }
  55         }
  56     }
  57 }
  58
  59 if { [prepare_for_testing "failed to prepare" ${testfile} \
  60                           [list $srcfile $asm_file] {nodebug}] } {
  61     return -1
  62 }
  63
  64 runto_main
  65
  66 # FAILing GDB did print: No symbol "testvar" in current context.
  67 gdb_test "p testvar" { = -?[0-9]+}