gdb/testsuite/gdb.dwarf2/atomic-type.exp

   1 # Copyright 2014-2019 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 standard_testfile atomic.c atomic-type-dw.S
  23
  24 # Make some DWARF for the test.
  25
  26 set asm_file [standard_output_file $srcfile2]
  27 Dwarf::assemble $asm_file {
  28     global srcdir subdir srcfile
  29
  30     set f_result [function_range f ${srcdir}/${subdir}/${srcfile}]
  31     set f_start [lindex $f_result 0]
  32     set f_length [lindex $f_result 1]
  33
  34     cu {} {
  35         DW_TAG_compile_unit {
  36                 {DW_AT_language @DW_LANG_C11}
  37                 {DW_AT_name     atomic-type-dw.c}
  38                 {DW_AT_comp_dir /tmp}
  39         } {
  40             declare_labels i_l c_l c_c_l ac_c_l pac_c_l vpac_c_l avpac_c_l
  41
  42             i_l: DW_TAG_base_type {
  43                 {DW_AT_byte_size 4 DW_FORM_sdata}
  44                 {DW_AT_encoding  @DW_ATE_signed}
  45                 {DW_AT_name      int}
  46             }
  47
  48             c_l: DW_TAG_base_type {
  49                 {DW_AT_byte_size 2 DW_FORM_sdata}
  50                 {DW_AT_encoding  @DW_ATE_unsigned}
  51                 {DW_AT_name      char}
  52             }
  53
  54             c_c_l: DW_TAG_const_type {
  55                 {DW_AT_type :$c_l}
  56             }
  57
  58             ac_c_l: DW_TAG_atomic_type {
  59                 {DW_AT_type :$c_c_l}
  60             }
  61
  62             pac_c_l: DW_TAG_pointer_type {
  63                 {DW_AT_byte_size 8 DW_FORM_sdata}
  64                 {DW_AT_type :$ac_c_l}
  65             }
  66
  67             vpac_c_l: DW_TAG_volatile_type {
  68                 {DW_AT_type :$pac_c_l}
  69             }
  70
  71             avpac_c_l: DW_TAG_atomic_type {
  72                 {DW_AT_type :$vpac_c_l}
  73             }
  74
  75             DW_TAG_subprogram {
  76                 {name f}
  77                 {low_pc $f_start addr}
  78                 {high_pc "$f_start + $f_length" addr}
  79                 {type :$i_l}
  80             } {
  81                 DW_TAG_formal_parameter {
  82                     {type :$avpac_c_l}
  83                     {name x}
  84                 }
  85             }
  86         }
  87     }
  88 }
  89
  90 if { [prepare_for_testing "failed to prepare" ${testfile} \
  91           [list $srcfile $asm_file] {nodebug}] } {
  92     return -1
  93 }
  94
  95 gdb_test "ptype f" "int \\(const _Atomic char \\\* volatile _Atomic\\)"