gdb/testsuite/gdb.dwarf2/staticvirtual.exp

   1 # Copyright 2015-2019 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 if { [skip_cplus_tests] } { continue }
  23
  24 standard_testfile main.c staticvirtual-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 {{language @DW_LANG_C_plus_plus}} {
  31             structure_type {
  32                 {name S}
  33                 {byte_size 1 DW_FORM_sdata}
  34             } {
  35                 subprogram {
  36                     {low_pc 0x1000 addr}
  37                     {high_pc 0x2000 addr}
  38                     {name ~S}
  39                     {external 1 flag}
  40                     {virtuality @DW_VIRTUALITY_virtual}
  41                     {vtable_elem_location {const1u 1} SPECIAL_expr}
  42                 }
  43             }
  44         }
  45     }
  46 }
  47
  48 if { [prepare_for_testing "failed to prepare" ${testfile} \
  49           [list $srcfile $asm_file] {nodebug}] } {
  50     return -1
  51 }
  52
  53 # gdb/18021: The test below would cause GDB to crash.
  54 # Depending on whether the target maps memory at address 0x1000,
  55 # on success this may either print something like
  56 #   $1 = {void (void)} 0x1000 <.*>
  57 # or
  58 #   Cannot access memory at address 0x1000
  59 gdb_test "p S::~S" "0x1000.*"