gdb/testsuite/gdb.dwarf2/bad-regnum.exp

   1 # Copyright 2015-2021 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 main.c -dw.S
  24
  25 # Make some DWARF for the test.
  26 set asm_file [standard_output_file $srcfile2]
  27 Dwarf::assemble $asm_file {
  28     global srcfile
  29
  30     cu {} {
  31         DW_TAG_compile_unit {
  32             {DW_AT_language @DW_LANG_C}
  33             {DW_AT_name     $srcfile}
  34             {DW_AT_comp_dir /tmp}
  35         } {
  36             declare_labels integer_label
  37
  38             integer_label: DW_TAG_base_type {
  39                 {DW_AT_byte_size 4 DW_FORM_sdata}
  40                 {DW_AT_encoding  @DW_ATE_signed}
  41                 {DW_AT_name      integer}
  42             }
  43
  44             DW_TAG_variable {
  45                 {DW_AT_name foo1}
  46                 {DW_AT_type :$integer_label}
  47                 {DW_AT_location {
  48                     DW_OP_regx 2147483647
  49                 } SPECIAL_expr}
  50                 {external 1 flag}
  51             }
  52
  53             DW_TAG_variable {
  54                 {DW_AT_name foo2}
  55                 {DW_AT_type :$integer_label}
  56                 {DW_AT_location {
  57                     DW_OP_regx -1
  58                 } SPECIAL_expr}
  59                 {external 1 flag}
  60             }
  61         }
  62     }
  63 }
  64
  65 if { [prepare_for_testing "failed to prepare" ${testfile} \
  66           [list $srcfile $asm_file] {nodebug}] } {
  67     return -1
  68 }
  69
  70 if ![runto_main] {
  71     return -1
  72 }
  73
  74 gdb_test "info addr foo1" \
  75     "Symbol \"foo1\" is a variable in \\\$bad_register_number."
  76
  77 gdb_test "info addr foo2" \
  78     "Symbol \"foo2\" is a variable in \\\$bad_register_number."