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

   1 # Copyright 2014-2016 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 data-loc.c data-loc-dw.S
  23
  24 # We need to know the size of integer and address types in order
  25 # to write some of the debugging info we'd like to generate.
  26 #
  27 # For that, we ask GDB by debugging our data-loc.c program.
  28 # Any program would do, but since we already have data-loc.c
  29 # specifically for this testcase, might as well use that.
  30
  31 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
  32     untested ${testfile}.exp
  33     return -1
  34 }
  35
  36 # Make some DWARF for the test.
  37 set asm_file [standard_output_file $srcfile2]
  38 Dwarf::assemble $asm_file {
  39     cu {} {
  40         DW_TAG_compile_unit {
  41                 {DW_AT_language @DW_LANG_Ada95}
  42                 {DW_AT_name     foo.adb}
  43                 {DW_AT_comp_dir /tmp}
  44         } {
  45             declare_labels integer_label array_label array_ptr_label
  46             set int_size [get_sizeof "int" 4]
  47
  48             integer_label: DW_TAG_base_type {
  49                 {DW_AT_byte_size $int_size DW_FORM_sdata}
  50                 {DW_AT_encoding  @DW_ATE_signed}
  51                 {DW_AT_name      integer}
  52             }
  53
  54             array_label: DW_TAG_array_type {
  55                 {DW_AT_name foo__array_type}
  56                 {DW_AT_type :$integer_label}
  57                 {DW_AT_data_location {
  58                     DW_OP_push_object_address
  59                     DW_OP_deref
  60                 } SPECIAL_expr}
  61                 {external 1 flag}
  62             } {
  63                 DW_TAG_subrange_type {
  64                     {DW_AT_type        :$integer_label}
  65                     {DW_AT_lower_bound {
  66                         DW_OP_push_object_address
  67                         DW_OP_plus_uconst [get_sizeof "void *" 96]
  68                         DW_OP_deref
  69                         DW_OP_deref_size [get_sizeof "int" 4]
  70                     } SPECIAL_expr}
  71                     {DW_AT_upper_bound {
  72                         DW_OP_push_object_address
  73                         DW_OP_plus_uconst [get_sizeof "void *" 96]
  74                         DW_OP_deref
  75                         DW_OP_plus_uconst [get_sizeof "int" 4]
  76                         DW_OP_deref_size [get_sizeof "int" 4]
  77                     } SPECIAL_expr}
  78                 }
  79             }
  80             array_ptr_label: DW_TAG_typedef {
  81                 {DW_AT_name foo__array_type}
  82                 {DW_AT_type :$array_label}
  83             }
  84             DW_TAG_variable {
  85                 {DW_AT_name foo__three}
  86                 {DW_AT_type :$array_label}
  87                 {DW_AT_location {
  88                     DW_OP_addr [gdb_target_symbol table_1]
  89                 } SPECIAL_expr}
  90                 {external 1 flag}
  91             }
  92             DW_TAG_variable {
  93                 {DW_AT_name foo__three_tdef}
  94                 {DW_AT_type :$array_ptr_label}
  95                 {DW_AT_location {
  96                     DW_OP_addr [gdb_target_symbol table_1]
  97                 } SPECIAL_expr}
  98                 {external 1 flag}
  99             }
 100             DW_TAG_variable {
 101                 {DW_AT_name foo__five}
 102                 {DW_AT_type :$array_label}
 103                 {DW_AT_location {
 104                     DW_OP_addr [gdb_target_symbol table_2]
 105                 } SPECIAL_expr}
 106                 {external 1 flag}
 107             }
 108             DW_TAG_variable {
 109                 {DW_AT_name foo__five_tdef}
 110                 {DW_AT_type :$array_ptr_label}
 111                 {DW_AT_location {
 112                     DW_OP_addr [gdb_target_symbol table_2]
 113                 } SPECIAL_expr}
 114                 {external 1 flag}
 115             }
 116         }
 117     }
 118 }
 119
 120 # Now that we've generated the DWARF debugging info, rebuild our
 121 # program using our debug info instead of the info generated by
 122 # the compiler.
 123
 124 if { [prepare_for_testing ${testfile}.exp ${testfile} \
 125           [list $srcfile $asm_file] {nodebug}] } {
 126     return -1
 127 }
 128
 129 if ![runto_main] {
 130     return -1
 131 }
 132
 133 gdb_test_no_output "set language ada"
 134
 135 # foo.three
 136
 137 gdb_test "print foo.three" \
 138          " = \\(1, 2, 3\\)"
 139
 140 gdb_test "ptype foo.three" \
 141          "type = array \\(1 .. 3\\) of integer"
 142
 143 gdb_test "print foo.three(1)" \
 144          " = 1"
 145
 146 gdb_test "print foo.three(2)" \
 147          " = 2"
 148
 149 gdb_test "print foo.three(3)" \
 150          " = 3"
 151
 152 gdb_test "print foo.three'first" \
 153          " = 1"
 154
 155 gdb_test "print foo.three'last" \
 156          " = 3"
 157
 158 gdb_test "print foo.three'length" \
 159          " = 3"
 160
 161 # foo.three_tdef
 162
 163 gdb_test "print foo.three_tdef" \
 164          " = \\(1, 2, 3\\)"
 165
 166 gdb_test "ptype foo.three_tdef" \
 167          "type = array \\(1 .. 3\\) of integer"
 168
 169 gdb_test "print foo.three_tdef(1)" \
 170          " = 1"
 171
 172 gdb_test "print foo.three_tdef(2)" \
 173          " = 2"
 174
 175 gdb_test "print foo.three_tdef(3)" \
 176          " = 3"
 177
 178 gdb_test "print foo.three_tdef'first" \
 179          " = 1"
 180
 181 gdb_test "print foo.three_tdef'last" \
 182          " = 3"
 183
 184 gdb_test "print foo.three_tdef'length" \
 185          " = 3"
 186
 187 gdb_test "print foo.five" \
 188          " = \\(2 => 5, 8, 13, 21, 34\\)"
 189
 190 gdb_test "ptype foo.five" \
 191          "type = array \\(2 .. 6\\) of integer"
 192
 193 gdb_test "ptype foo.array_type" \
 194          "type = array \\(<>\\) of integer"
 195
 196 # foo.five
 197
 198 gdb_test "print foo.five(2)" \
 199          " = 5"
 200
 201 gdb_test "print foo.five(3)" \
 202          " = 8"
 203
 204 gdb_test "print foo.five(4)" \
 205          " = 13"
 206
 207 gdb_test "print foo.five(5)" \
 208          " = 21"
 209
 210 gdb_test "print foo.five(6)" \
 211          " = 34"
 212
 213 gdb_test "print foo.five'first" \
 214          " = 2"
 215
 216 gdb_test "print foo.five'last" \
 217          " = 6"
 218
 219 gdb_test "print foo.five'length" \
 220          " = 5"
 221
 222 # foo.five_tdef
 223
 224 gdb_test "print foo.five_tdef" \
 225          " = \\(2 => 5, 8, 13, 21, 34\\)"
 226
 227 gdb_test "ptype foo.five_tdef" \
 228          "type = array \\(2 .. 6\\) of integer"
 229
 230 gdb_test "ptype foo.array_type" \
 231          "type = array \\(<>\\) of integer"
 232
 233 gdb_test "print foo.five_tdef(2)" \
 234          " = 5"
 235
 236 gdb_test "print foo.five_tdef(3)" \
 237          " = 8"
 238
 239 gdb_test "print foo.five_tdef(4)" \
 240          " = 13"
 241
 242 gdb_test "print foo.five_tdef(5)" \
 243          " = 21"
 244
 245 gdb_test "print foo.five_tdef(6)" \
 246          " = 34"
 247
 248 gdb_test "print foo.five_tdef'first" \
 249          " = 2"
 250
 251 gdb_test "print foo.five_tdef'last" \
 252          " = 6"
 253
 254 gdb_test "print foo.five_tdef'length" \
 255          " = 5"
 256
 257 gdb_test_no_output "set lang c"
 258
 259 # foo__three
 260
 261 gdb_test "print foo__three" \
 262          " = \\{1, 2, 3\\}"
 263
 264 gdb_test "ptype foo__three" \
 265          "type = integer \\\[3\\\]"
 266
 267 # foo__three_tdef
 268
 269 gdb_test "print foo__three_tdef" \
 270          " = \\{1, 2, 3\\}"
 271
 272 gdb_test "ptype foo__three_tdef" \
 273          "type = integer \\\[3\\\]"
 274
 275 # foo__five
 276
 277 gdb_test "print foo__five" \
 278          " = \\{5, 8, 13, 21, 34\\}"
 279
 280 gdb_test "ptype foo__five" \
 281          "type = integer \\\[5\\\]"
 282
 283 # foo__five_tdef
 284
 285 gdb_test "print foo__five_tdef" \
 286          " = \\{5, 8, 13, 21, 34\\}"
 287
 288 gdb_test "ptype foo__five_tdef" \
 289          "type = integer \\\[5\\\]"
 290
 291 gdb_test "ptype foo__array_type" \
 292          "type = integer \\\[variable length\\\]"