gdb/testsuite/gdb.base/vla-datatypes.exp

   1 # Copyright 2014-2020 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
  16 standard_testfile
  17
  18 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  19     return -1
  20 }
  21
  22 if ![runto_main] {
  23     return -1
  24 }
  25
  26 gdb_breakpoint [gdb_get_line_number "vlas_filled"]
  27 gdb_continue_to_breakpoint "vlas_filled"
  28
  29 # Check the values of VLA's.
  30 gdb_test "print int_vla" " = \\\{0, 2, 4, 6, 8\\\}"
  31 gdb_test "print unsigned_int_vla" " = \\\{0, 2, 4, 6, 8\\\}"
  32 gdb_test "print double_vla" " = \\\{0, 0.5, 1, 1.5, 2\\\}"
  33 gdb_test "print float_vla" " = \\\{0, 0.5, 1, 1.5, 2\\\}"
  34 gdb_test "print long_vla" " = \\\{0, 2, 4, 6, 8\\\}"
  35 gdb_test "print unsigned_long_vla" " = \\\{0, 2, 4, 6, 8\\\}"
  36 gdb_test "print char_vla" " = \"AAAAA\""
  37 gdb_test "print short_vla" " = \\\{0, 2, 4, 6, 8\\\}"
  38 gdb_test "print unsigned_short_vla" " = \\\{0, 2, 4, 6, 8\\\}"
  39 gdb_test "print unsigned_char_vla" " = \"AAAAA\""
  40 gdb_test "print foo_vla" \
  41          "\\\{\\\{a = 0\\\}, \\\{a = 2\\\}, \\\{a = 4\\\}, \\\{a = 6\\\}, \\\{a = 8\\\}\\\}"
  42 gdb_test "print bar_vla" \
  43          "\\\{\\\{x = 0, y = \\\{a = 0\\\}\\\}, \\\{x = 2, y = \\\{a = 2\\\}\\\}, \\\{x = 4, y = \\\{a = 4\\\}\\\}, \\\{x = 6, y = \\\{a = 6\\\}\\\}, \\\{x = 8, y = \\\{a = 8\\\}\\\}\\\}"
  44 gdb_test "print vla_struct_object" \
  45     "\\\{something = 5, vla_field = \\\{0, 2, 4, 6, 8\\\}\\\}"
  46 gdb_test "print vla_union_object" \
  47     "\\\{vla_field = \\\{0, 2, 4, 6, 8\\\}\\\}"
  48 gdb_test "print vla_struct_typedef_struct_member_object" \
  49     "\\\{something = 10, vla_object = \\\{something = 15, vla_field = \\\{0, 3, 6, 9, 12\\\}\\\}\\\}"
  50 gdb_test "print vla_struct_typedef_union_member_object" \
  51     "\\\{something = 6, vla_object = \\\{something = 6, vla_field = \\\{-1, 2, 5, 8, 11\\\}\\\}\\\}"
  52
  53 # Check whatis of VLA's.
  54 gdb_test "whatis int_vla" "type = int \\\[5\\\]"
  55 gdb_test "whatis unsigned_int_vla" "type = unsigned int \\\[5\\\]"
  56 gdb_test "whatis double_vla" "type = double \\\[5\\\]"
  57 gdb_test "whatis float_vla" "type = float \\\[5\\\]"
  58 gdb_test "whatis long_vla" "type = long( int)? \\\[5\\\]"
  59 gdb_test "whatis unsigned_long_vla" \
  60          "type = (long unsigned int|unsigned long) \\\[5\\\]"
  61 gdb_test "whatis char_vla" "type = char \\\[5\\\]"
  62 gdb_test "whatis short_vla" "type = short( int)? \\\[5\\\]"
  63 gdb_test "whatis unsigned_short_vla" \
  64          "type = (short unsigned int|unsigned short) \\\[5\\\]"
  65 gdb_test "whatis unsigned_char_vla" "type = unsigned char \\\[5\\\]"
  66 gdb_test "whatis foo_vla" "type = struct foo \\\[5\\\]"
  67 gdb_test "whatis bar_vla" "type = BAR \\\[5\\\]"
  68 gdb_test "whatis vla_struct_object" "type = vla_struct_typedef"
  69 gdb_test "whatis vla_union_object" "type = union vla_union"
  70
  71 # Check ptype of VLA's.
  72 gdb_test "ptype int_vla" "type = int \\\[5\\\]"
  73 gdb_test "ptype unsigned_int_vla" "type = unsigned int \\\[5\\\]"
  74 gdb_test "ptype double_vla" "type = double \\\[5\\\]"
  75 gdb_test "ptype float_vla" "type = float \\\[5\\\]"
  76 gdb_test "ptype long_vla" "type = long( int)? \\\[5\\\]"
  77 gdb_test "ptype unsigned_long_vla" "type = unsigned long \\\[5\\\]"
  78 gdb_test "ptype char_vla" "type = char \\\[5\\\]"
  79 gdb_test "ptype short_vla" "type = short( int)? \\\[5\\\]"
  80 gdb_test "ptype unsigned_short_vla" "type = unsigned short \\\[5\\\]"
  81 gdb_test "ptype unsigned_char_vla" "type = unsigned char \\\[5\\\]"
  82 gdb_test "ptype foo_vla" "type = struct foo {\r\n\\s+int a;\r\n} \\\[5\\\]"
  83 gdb_test "ptype bar_vla" \
  84          "type = struct bar {\r\n\\s+int x;\r\n\\s+struct foo y;\r\n} \\\[5\\\]"
  85 gdb_test "ptype vla_struct_object" \
  86     "type = struct vla_struct {\r\n\\s+int something;\r\n\\s+int vla_field\\\[5\\\];\r\n}"
  87 gdb_test "ptype vla_union_object" \
  88     "type = union vla_union {\r\n\\s+int vla_field\\\[5\\\];\r\n}"
  89
  90 # Check the size of the VLA's.
  91 gdb_breakpoint [gdb_get_line_number "break_end_of_vla_factory"]
  92 gdb_continue_to_breakpoint "break_end_of_vla_factory"
  93 gdb_test "print int_size == sizeof(int_vla)" " = 1" "size of int_vla"
  94 gdb_test "print uint_size == sizeof(unsigned_int_vla)" " = 1" \
  95          "size of unsigned_int_vla"
  96 gdb_test "print double_size == sizeof(double_vla)" " = 1" \
  97          "size of double_vla"
  98 gdb_test "print float_size == sizeof(float_vla)" " = 1" \
  99          "size of float_vla"
 100 gdb_test "print long_size == sizeof(long_vla)" " = 1" \
 101          "size of long_vla"
 102 gdb_test "print char_size == sizeof(char_vla)" " = 1" \
 103          "size of char_vla"
 104 gdb_test "print short_size == sizeof(short_vla)" " = 1" \
 105          "size of short_vla"
 106 gdb_test "print ushort_size == sizeof(unsigned_short_vla)" " = 1" \
 107          "size of unsigned_short_vla"
 108 gdb_test "print uchar_size == sizeof(unsigned_char_vla)" " = 1" \
 109          "size of unsigned_char_vla"
 110 gdb_test "print foo_size == sizeof(foo_vla)" " = 1" "size of foo_vla"
 111 gdb_test "print bar_size == sizeof(bar_vla)" " = 1" "size of bar_vla"
 112 gdb_test "print vla_struct_object_size == sizeof(vla_struct_object)" \
 113     " = 1" "size of vla_struct_object"
 114 gdb_test "print vla_union_object_size == sizeof(vla_union_object)" \
 115     " = 1" "size of vla_union_object"
 116
 117 # Check side effects for sizeof argument.
 118 set sizeof_int [get_sizeof "int" 4]
 119 gdb_test_no_output  "set variable int_vla\[0\] = 42" \
 120                     "set variable int_vla\[0\] = 42"
 121
 122 gdb_test "print sizeof (++int_vla\[0\])" " = ${sizeof_int}"
 123 gdb_test "print int_vla\[0\]" " = 42" \
 124          "print int_vla\[0\] - sizeof no side effects"
 125
 126 gdb_test "ptype ++int_vla\[0\]" "type = int"
 127 gdb_test "print int_vla\[0\]" " = 42" \
 128          "print int_vla\[0\] - ptype no side effects"
 129
 130 gdb_test "whatis ++int_vla\[0\]" "type = int"
 131 gdb_test "print int_vla\[0\]" " = 42" \
 132          "print int_vla\[0\] - whatis no side effects"
 133
 134 # Fails due to incorrect debugging information generated by GCC.
 135 setup_xfail "*-*-*"
 136 gdb_test \
 137     "print inner_vla_struct_object_size == sizeof(inner_vla_struct_object)" \
 138     " = 1" "size of inner_vla_struct_object"