gdb/testsuite/gdb.dlang/watch-loc.exp

   1 # Copyright (C) 2017-2023 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
  16 # Test symbol lookup when there are multiple circular imports.
  17
  18 load_lib "d-support.exp"
  19 load_lib "dwarf.exp"
  20
  21 if { [skip_d_tests] } { return -1 }
  22
  23 # This test can only be run on targets which support DWARF-2 and use gas.
  24 if {![dwarf2_support]} {
  25     return 0
  26 }
  27
  28 standard_testfile watch-loc.c watch-loc-dw.S
  29
  30 lassign [function_range _Dmain ${srcdir}/${subdir}/${srcfile}] \
  31     dmain_start dmain_length
  32
  33
  34 # Make some DWARF for the test.
  35 set asm_file [standard_output_file $srcfile2]
  36 Dwarf::assemble $asm_file {
  37     global dmain_start dmain_length
  38
  39     cu { label cu_start } {
  40         compile_unit {
  41             {language @DW_LANG_D}
  42         } {
  43             declare_labels watch_module_label watch_struct_label
  44
  45             watch_module_label: module {
  46                 {name watch}
  47             } {
  48                 watch_struct_label: structure_type {
  49                     {name tstruct}
  50                     {byte_size 1 data1}
  51                 }
  52
  53                 tag_variable {
  54                     {name my_data}
  55                     {type :$watch_struct_label}
  56                     {location {
  57                         addr [gdb_target_symbol my_data]
  58                     } SPECIAL_expr}
  59                     {external 1 flag}
  60                 }
  61
  62                 subprogram {
  63                     {MACRO_AT_func { "_Dmain" }}
  64                     {external 1 flag_present}
  65                 }
  66             }
  67         }
  68     }
  69
  70     aranges {} cu_start {
  71         arange {} $dmain_start $dmain_length
  72     }
  73 }
  74
  75 if { [prepare_for_testing "failed to prepare" ${testfile} \
  76           [list $srcfile $asm_file] {nodebug}] } {
  77     return -1
  78 }
  79
  80 gdb_test_no_output "set language d"
  81
  82 if {![runto "_Dmain"]} {
  83     return -1
  84 }
  85
  86 # watch -l will rewrite the expression to "*(watch.tstruct *) 0x12345",
  87 # this should not cause syntax error in the cast expression.
  88 gdb_test "watch -l my_data" ".*atchpoint \[0-9\]+: -location my_data"
  89
  90 # Same test as above, but done explicitly.
  91 gdb_test "print *(watch.tstruct *) &my_data" "{<No data fields>}"