gdb/testsuite/gdb.dwarf2/data-loc.exp

   1 # Copyright 2014-2024 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 require dwarf2_support
  19
  20 standard_testfile .c -dw.S
  21
  22 # We need to know the size of integer and address types in order
  23 # to write some of the debugging info we'd like to generate.
  24 #
  25 # For that, we ask GDB by debugging our data-loc.c program.
  26 # Any program would do, but since we already have data-loc.c
  27 # specifically for this testcase, might as well use that.
  28
  29 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  30     return -1
  31 }
  32
  33 # Make some DWARF for the test.
  34 set asm_file [standard_output_file $srcfile2]
  35 Dwarf::assemble $asm_file {
  36     cu {} {
  37         DW_TAG_compile_unit {
  38                 {DW_AT_language @DW_LANG_Ada95}
  39                 {DW_AT_name     foo.adb}
  40                 {DW_AT_comp_dir /tmp}
  41         } {
  42             declare_labels integer_label array_label array_ptr_label
  43             set int_size [get_sizeof "int" 4]
  44             set voidp_size [get_sizeof "void *" 96]
  45
  46             integer_label: DW_TAG_base_type {
  47                 {DW_AT_byte_size $int_size DW_FORM_sdata}
  48                 {DW_AT_encoding  @DW_ATE_signed}
  49                 {DW_AT_name      integer}
  50             }
  51
  52             array_label: DW_TAG_array_type {
  53                 {DW_AT_name foo__array_type}
  54                 {DW_AT_type :$integer_label}
  55                 {DW_AT_data_location {
  56                     DW_OP_push_object_address
  57                     DW_OP_deref
  58                 } SPECIAL_expr}
  59                 {external 1 flag}
  60             } {
  61                 DW_TAG_subrange_type {
  62                     {DW_AT_type        :$integer_label}
  63                     {DW_AT_lower_bound {
  64                         DW_OP_push_object_address
  65                         DW_OP_plus_uconst $voidp_size
  66                         DW_OP_deref
  67                         DW_OP_deref_size $int_size
  68                     } SPECIAL_expr}
  69                     {DW_AT_upper_bound {
  70                         DW_OP_push_object_address
  71                         DW_OP_plus_uconst $voidp_size
  72                         DW_OP_deref
  73                         DW_OP_plus_uconst $int_size
  74                         DW_OP_deref_size $int_size
  75                     } SPECIAL_expr}
  76                 }
  77             }
  78             array_ptr_label: DW_TAG_typedef {
  79                 {DW_AT_name foo__array_type}
  80                 {DW_AT_type :$array_label}
  81             }
  82             DW_TAG_variable {
  83                 {DW_AT_name foo__three}
  84                 {DW_AT_type :$array_label}
  85                 {DW_AT_location {
  86                     DW_OP_addr [gdb_target_symbol table_1]
  87                 } SPECIAL_expr}
  88                 {external 1 flag}
  89             }
  90             DW_TAG_variable {
  91                 {DW_AT_name foo__three_tdef}
  92                 {DW_AT_type :$array_ptr_label}
  93                 {DW_AT_location {
  94                     DW_OP_addr [gdb_target_symbol table_1]
  95                 } SPECIAL_expr}
  96                 {external 1 flag}
  97             }
  98             DW_TAG_variable {
  99                 {DW_AT_name foo__five}
 100                 {DW_AT_type :$array_label}
 101                 {DW_AT_location {
 102                     DW_OP_addr [gdb_target_symbol table_2]
 103                 } SPECIAL_expr}
 104                 {external 1 flag}
 105             }
 106             DW_TAG_variable {
 107                 {DW_AT_name foo__five_tdef}
 108                 {DW_AT_type :$array_ptr_label}
 109                 {DW_AT_location {
 110                     DW_OP_addr [gdb_target_symbol table_2]
 111                 } SPECIAL_expr}
 112                 {external 1 flag}
 113             }
 114         }
 115     }
 116 }
 117
 118 # Now that we've generated the DWARF debugging info, rebuild our
 119 # program using our debug info instead of the info generated by
 120 # the compiler.
 121
 122 if { [prepare_for_testing "failed to prepare" ${testfile} \
 123           [list $srcfile $asm_file] {nodebug}] } {
 124     return -1
 125 }
 126
 127 if ![runto_main] {
 128     return -1
 129 }
 130
 131 gdb_test_no_output "set language ada"
 132
 133 # foo.three
 134
 135 gdb_test "print foo.three" \
 136          " = \\(1, 2, 3\\)"
 137
 138 gdb_test "ptype foo.three" \
 139          "type = array \\(<>\\) of integer"
 140
 141 gdb_test "print foo.three(1)" \
 142          " = 1"
 143
 144 gdb_test "print foo.three(2)" \
 145          " = 2"
 146
 147 gdb_test "print foo.three(3)" \
 148          " = 3"
 149
 150 gdb_test "print foo.three'first" \
 151          " = 1"
 152
 153 gdb_test "print foo.three'last" \
 154          " = 3"
 155
 156 gdb_test "print foo.three'length" \
 157          " = 3"
 158
 159 # foo.three_tdef
 160
 161 gdb_test "print foo.three_tdef.all" \
 162          " = \\(1, 2, 3\\)"
 163
 164 gdb_test "ptype foo.three_tdef" \
 165          "type = access array \\(<>\\) of integer"
 166
 167 gdb_test "print foo.three_tdef(1)" \
 168          " = 1"
 169
 170 gdb_test "print foo.three_tdef(2)" \
 171          " = 2"
 172
 173 gdb_test "print foo.three_tdef(3)" \
 174          " = 3"
 175
 176 gdb_test "print foo.three_tdef'first" \
 177          " = 1"
 178
 179 gdb_test "print foo.three_tdef'last" \
 180          " = 3"
 181
 182 gdb_test "print foo.three_tdef'length" \
 183          " = 3"
 184
 185 gdb_test "print foo.five" \
 186          " = \\(2 => 5, 8, 13, 21, 34\\)"
 187
 188 gdb_test "ptype foo.five" \
 189          "type = array \\(<>\\) of integer"
 190
 191 gdb_test "ptype foo.array_type" \
 192          "type = array \\(<>\\) of integer"
 193
 194 # foo.five
 195
 196 gdb_test "print foo.five(2)" \
 197          " = 5"
 198
 199 gdb_test "print foo.five(3)" \
 200          " = 8"
 201
 202 gdb_test "print foo.five(4)" \
 203          " = 13"
 204
 205 gdb_test "print foo.five(5)" \
 206          " = 21"
 207
 208 gdb_test "print foo.five(6)" \
 209          " = 34"
 210
 211 gdb_test "print foo.five'first" \
 212          " = 2"
 213
 214 gdb_test "print foo.five'last" \
 215          " = 6"
 216
 217 gdb_test "print foo.five'length" \
 218          " = 5"
 219
 220 # foo.five_tdef
 221
 222 gdb_test "print foo.five_tdef.all" \
 223          " = \\(2 => 5, 8, 13, 21, 34\\)"
 224
 225 gdb_test "ptype foo.five_tdef" \
 226          "type = access array \\(<>\\) of integer"
 227
 228 gdb_test "print foo.five_tdef(2)" \
 229          " = 5"
 230
 231 gdb_test "print foo.five_tdef(3)" \
 232          " = 8"
 233
 234 gdb_test "print foo.five_tdef(4)" \
 235          " = 13"
 236
 237 gdb_test "print foo.five_tdef(5)" \
 238          " = 21"
 239
 240 gdb_test "print foo.five_tdef(6)" \
 241          " = 34"
 242
 243 gdb_test "print foo.five_tdef'first" \
 244          " = 2"
 245
 246 gdb_test "print foo.five_tdef'last" \
 247          " = 6"
 248
 249 gdb_test "print foo.five_tdef'length" \
 250          " = 5"