gdb/testsuite/gdb.dwarf2/implptr-64bit.exp

   1 # Copyright 2011-2020 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 main.c
  23
  24 proc test { dwarf_version offset_size addr_size ref_addr_size two_cu } {
  25     global testfile srcfile
  26
  27     set name "d${dwarf_version}o${offset_size}a${addr_size}r${ref_addr_size}t${two_cu}"
  28
  29     # Make some DWARF for the test.
  30     set asm_file [standard_output_file ${testfile}-${name}.S]
  31     Dwarf::assemble $asm_file {
  32         upvar dwarf_version dwarf_version
  33         upvar addr_size addr_size
  34         upvar offset_size offset_size
  35         upvar ref_addr_size ref_addr_size
  36         upvar two_cu two_cu
  37
  38         set is_64 [expr { $offset_size == 4 ? 0 : 1 }]
  39
  40         cu {
  41             version $dwarf_version
  42             addr_size $addr_size
  43             is_64 $is_64
  44         } {
  45             compile_unit {
  46                 { producer "GNU C 4.4.3" }
  47                 { language @DW_LANG_C89 }
  48                 { name 1.c }
  49             } {
  50                 declare_labels struct_label variable_label int_label pointer_label
  51
  52                 int_label: base_type {
  53                     { byte_size 4 DW_FORM_sdata }
  54                     { DW_AT_encoding @DW_ATE_signed }
  55                     { name int }
  56                 }
  57
  58                 struct_label: structure_type {
  59                     { name s }
  60                     { byte_size 4 sdata }
  61                 } {
  62                     member {
  63                         { name f }
  64                         { type :$int_label }
  65                         { data_member_location 0 data1 }
  66                     }
  67                 }
  68
  69                 pointer_label: pointer_type {
  70                     { byte_size $Dwarf::_cu_addr_size sdata }
  71                     { type  :$struct_label }
  72                 }
  73
  74                 variable_label: DW_TAG_variable {
  75                     { name v }
  76                     { location {
  77                         DW_OP_implicit_value 0x1 0x1 0x1 0x1
  78                     } SPECIAL_expr}
  79                     { type :$struct_label "DW_FORM_ref$ref_addr_size" }
  80                 }
  81
  82                 if { !$two_cu } {
  83                     subprogram {
  84                         {MACRO_AT_func {main}}
  85                         { type :$int_label }
  86                         { external 1 flag }
  87                     } {
  88                         DW_TAG_variable {
  89                             { name p }
  90                             { location {
  91                                 GNU_implicit_pointer $variable_label 0
  92                             } SPECIAL_expr }
  93                             { type :$pointer_label "DW_FORM_ref$ref_addr_size" }
  94                         }
  95                     }
  96                 }
  97             }
  98         }
  99
 100         if { $two_cu } {
 101             cu {
 102                 version $dwarf_version
 103                 addr_size $addr_size
 104                 is_64 $is_64
 105             } {
 106                 compile_unit {
 107                     { producer "GNU C 4.4.3" }
 108                     { language @DW_LANG_C89 }
 109                     { name 1.c }
 110                 } {
 111                     subprogram {
 112                         { MACRO_AT_func {main} }
 113                         { type %$int_label }
 114                         { external 1 flag }
 115                     } {
 116                         DW_TAG_variable {
 117                             { name p }
 118                             { location {
 119                                 GNU_implicit_pointer $variable_label 0
 120                             } SPECIAL_expr }
 121                             { type %$pointer_label }
 122                         }
 123                     }
 124                 }
 125             }
 126         }
 127     }
 128
 129     # 32-bit targets do not support any of the testcases; keep quiet there.
 130     set opts {quiet}
 131     set executable ${testfile}-${name}
 132     if [prepare_for_testing "failed to prepare" $executable "${asm_file} ${srcfile}" $opts] {
 133         return -1
 134     }
 135
 136     if ![runto_main] {
 137         return -1
 138     }
 139
 140     gdb_test "p/x p->f" " = 0x1010101" $name
 141 }
 142
 143 #    DWARF_VERSION OFFSET_SIZE ADDR_SIZE REF_ADDR_SIZE TWO_CU
 144 test 2 8 4 4 0
 145 test 2 4 8 8 0
 146 test 3 8 4 8 0
 147 test 3 4 8 4 0
 148 test 2 8 4 4 1
 149 test 2 4 8 8 1
 150 test 3 8 4 8 1
 151 test 3 4 8 4 1