gdb/testsuite/gdb.dwarf2/static-optimized-out.exp

   1 # Copyright 2023-2024 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 # Check that an optimized out static variable is printed the same independent
  17 # of state of symtab expansion.  See also gdb.opt/static-optimized-out.exp.
  18
  19 load_lib dwarf.exp
  20
  21 # This test can only be run on targets which support DWARF-2 and use gas.
  22 require dwarf2_support
  23
  24 standard_testfile main.c -dw.S
  25
  26 # Make DWARF for the test.
  27 set asm_file [standard_output_file $srcfile2]
  28 Dwarf::assemble $asm_file {
  29     cu {} {
  30         compile_unit {
  31             {
  32                 language @DW_LANG_C
  33             }
  34         } {
  35             declare_labels integer_label
  36
  37             integer_label: DW_TAG_base_type {
  38                 {DW_AT_byte_size 4 DW_FORM_sdata}
  39                 {DW_AT_encoding  @DW_ATE_signed}
  40                 {DW_AT_name      integer}
  41             }
  42
  43             DW_TAG_variable {
  44                 {name var}
  45                 {type :$integer_label}
  46             }
  47         }
  48     }
  49 }
  50
  51 if { [prepare_for_testing "failed to prepare" ${testfile} \
  52           [list $srcfile $asm_file] {nodebug}] } {
  53     return -1
  54 }
  55
  56 gdb_test "print var" " = <optimized out>"
  57
  58 # Expand all symbol tables.
  59 gdb_test_no_output "maint expand-symtabs"
  60
  61 # Make sure we do an actual lookup rather than just returning the same as
  62 # before.
  63 gdb_test_no_output "maint flush symbol-cache"
  64
  65 with_test_prefix "after expand-symtabs" {
  66     gdb_test "print var" " = <optimized out>"
  67 }