gdb/testsuite/gdb.base/gnu_vector.exp

   1 # Copyright 2010-2015 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 # Contributed by Ken Werner <ken.werner@de.ibm.com>.
  17 #
  18 # Tests GDBs support for GNU vectors.
  19 # http://gcc.gnu.org/onlinedocs/gcc/Vector-Extensions.html
  20
  21 standard_testfile .c
  22
  23 if [get_compiler_info] {
  24     return -1
  25 }
  26
  27 # Check if our compiler is a GCC that suppports the vector extension
  28 if { ![test_compiler_info gcc-4-*] } {
  29     setup_xfail "*-*-*"
  30     fail "This compiler can not handle GNU vectors"
  31     return 0
  32 }
  33
  34 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug}] } {
  35     return -1
  36 }
  37
  38 if { ![runto main] } {
  39     fail "runto main"
  40     return -1
  41 }
  42
  43 # Get endianess for the scalar->vector casts
  44 gdb_test_multiple "show endian" "show endian" {
  45     -re ".* (big|little) endian.*$gdb_prompt $" {
  46         set endian $expect_out(1,string)
  47         pass "endianness: $endian"
  48     }
  49 }
  50
  51 # Test printing of character vector types
  52 gdb_test "print c4" "\\\$$decimal = \\{1, 2, 3, 4\\}"
  53 gdb_test "print c4\[2\]" "\\\$$decimal = 3"
  54
  55 # Test operators on integer vector types
  56 gdb_test "print i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
  57 gdb_test "print i4b" "\\\$$decimal = \\{1, 2, 8, 4\\}"
  58 # Arithmetic operators
  59 gdb_test "print i4a + i4b" "\\\$$decimal = \\{3, 6, 16, 20\\}"
  60 gdb_test "print i4a - i4b" "\\\$$decimal = \\{1, 2, 0, 12\\}"
  61 gdb_test "print i4a * i4b" "\\\$$decimal = \\{2, 8, 64, 64\\}"
  62 gdb_test "print i4a / i4b" "\\\$$decimal = \\{2, 2, 1, 4\\}"
  63 gdb_test "print i4a % i4b" "\\\$$decimal = \\{0, 0, 0, 0\\}"
  64 gdb_test "print i4a++" "\\\$$decimal = \\{2, 4, 8, 16\\}"
  65 gdb_test "print ++i4a" "\\\$$decimal = \\{4, 6, 10, 18\\}"
  66 gdb_test "print i4a--" "\\\$$decimal = \\{4, 6, 10, 18\\}"
  67 gdb_test "print --i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
  68 gdb_test "print +i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
  69 gdb_test "print -i4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}"
  70
  71 # Bitwise operators
  72 gdb_test "print i4a & i4b" "\\\$$decimal = \\{0, 0, 8, 0\\}"
  73 gdb_test "print i4a | i4b" "\\\$$decimal = \\{3, 6, 8, 20\\}"
  74 gdb_test "print i4a ^ i4b" "\\\$$decimal = \\{3, 6, 0, 20\\}"
  75 gdb_test "print ~i4a" "\\\$$decimal = \\{-3, -5, -9, -17\\}"
  76 # Shift operators
  77 gdb_test "print i4a << i4b" "\\\$$decimal = \\{4, 16, 2048, 256\\}"
  78 gdb_test "print i4a >> i4b" "\\\$$decimal = \\{1, 1, 0, 1\\}"
  79
  80 # Test operators on floating point vector types
  81 gdb_test "print f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
  82 gdb_test "print f4b" "\\\$$decimal = \\{1, 2, 8, 4\\}"
  83 # Arithmetic operators
  84 gdb_test "print f4a + f4b" "\\\$$decimal = \\{3, 6, 16, 20\\}"
  85 gdb_test "print f4a - f4b" "\\\$$decimal = \\{1, 2, 0, 12\\}"
  86 gdb_test "print f4a * f4b" "\\\$$decimal = \\{2, 8, 64, 64\\}"
  87 gdb_test "print f4a / f4b" "\\\$$decimal = \\{2, 2, 1, 4\\}"
  88 gdb_test "print +f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
  89 gdb_test "print -f4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}"
  90
  91 # When casting to vector the input type must have the same length as
  92 # the total length of the vector.
  93 gdb_test "print (char4) 0x01010101" "\\\$$decimal = \\{1, 1, 1, 1\\}"
  94 gdb_test "print (int2) lla" "\\\$$decimal = \\{1, 1\\}"
  95
  96 if { ![string compare $endian big] } then {
  97     gdb_test "print (char4) ia" "\\\$$decimal = \\{0, 0, 0, 2\\}"
  98 } else {
  99     gdb_test "print (char4) ia" "\\\$$decimal = \\{2, 0, 0, 0\\}"
 100 }
 101
 102 gdb_test "print (int2) 1" "can only cast scalar to vector of same size"
 103 gdb_test "print (longlong2) 2" "can only cast scalar to vector of same size"
 104 gdb_test "print (float2) 3" "can only cast scalar to vector of same size"
 105 gdb_test "print (double2) 4" "can only cast scalar to vector of same size"
 106 gdb_test "print (uint4) ia" "can only cast scalar to vector of same size"
 107 gdb_test "print (int4) -3" "can only cast scalar to vector of same size"
 108 gdb_test "print (float4) 4" "can only cast scalar to vector of same size"
 109
 110 gdb_test "print i4b = ia" "can only cast scalar to vector of same size"
 111 gdb_test "print i4a = 3" "can only cast scalar to vector of same size"
 112 gdb_test "print f4a = fb" "can only cast scalar to vector of same size"
 113 gdb_test "print f4b = 2" "can only cast scalar to vector of same size"
 114
 115 gdb_test "print c4 + lla" "conversion of scalar to vector involves truncation"
 116 gdb_test "print i4a + lla" "conversion of scalar to vector involves truncation"
 117 gdb_test "print lla + c4" "conversion of scalar to vector involves truncation"
 118 gdb_test "print lla + i4a" "conversion of scalar to vector involves truncation"
 119
 120 gdb_test "print c4 + ib" "\\\$$decimal = \\{2, 3, 4, 5\\}"
 121 gdb_test "print i4a + ib" "\\\$$decimal = \\{3, 5, 9, 17\\}"
 122 gdb_test "print i4a + 1" "\\\$$decimal = \\{3, 5, 9, 17\\}"
 123 gdb_test "print 1 + i4a" "\\\$$decimal = \\{3, 5, 9, 17\\}"
 124 gdb_test "print fa - f4b" "\\\$$decimal = \\{1, 0, -6, -2\\}"
 125 gdb_test "print 2 - f4b" "\\\$$decimal = \\{1, 0, -6, -2\\}"
 126 gdb_test "print f4a * fb" "\\\$$decimal = \\{2, 4, 8, 16\\}"
 127 gdb_test "print f4a * 1" "\\\$$decimal = \\{2, 4, 8, 16\\}"
 128 gdb_test "print ia / i4b" "\\\$$decimal = \\{2, 1, 0, 0\\}"
 129 gdb_test "print 2 / i4b" "\\\$$decimal = \\{2, 1, 0, 0\\}"
 130 gdb_test "print i4a % ib" "\\\$$decimal = \\{0, 0, 0, 0\\}"
 131 gdb_test "print i4a % 1" "\\\$$decimal = \\{0, 0, 0, 0\\}"
 132 gdb_test "print ia & i4b" "\\\$$decimal = \\{0, 2, 0, 0\\}"
 133 gdb_test "print 2 & i4b" "\\\$$decimal = \\{0, 2, 0, 0\\}"
 134 gdb_test "print i4a | ib" "\\\$$decimal = \\{3, 5, 9, 17\\}"
 135 gdb_test "print i4a | 1" "\\\$$decimal = \\{3, 5, 9, 17\\}"
 136 gdb_test "print ia ^ i4b" "\\\$$decimal = \\{3, 0, 10, 6\\}"
 137 gdb_test "print 2 ^ i4b" "\\\$$decimal = \\{3, 0, 10, 6\\}"
 138 gdb_test "print i4a << ib" "\\\$$decimal = \\{4, 8, 16, 32\\}"
 139 gdb_test "print i4a << 1" "\\\$$decimal = \\{4, 8, 16, 32\\}"
 140 gdb_test "print i4a >> ib" "\\\$$decimal = \\{1, 2, 4, 8\\}"
 141 gdb_test "print i4a >> 1" "\\\$$decimal = \\{1, 2, 4, 8\\}"
 142
 143 gdb_test "print i4a = \{2, 4, 8, 16\}" "\\\$$decimal = \\{2, 4, 8, 16\\}"
 144 gdb_test "print i4a <<= ib" "\\\$$decimal = \\{4, 8, 16, 32\\}"
 145
 146 # Test some error scenarios
 147 gdb_test "print i4a + d2" "Cannot perform operation on vectors with different types"
 148 gdb_test "print d2 + i4a" "Cannot perform operation on vectors with different types"
 149 gdb_test "print f4a + ll2" "Cannot perform operation on vectors with different types"
 150 gdb_test "print ll2 + f4a" "Cannot perform operation on vectors with different types"
 151 gdb_test "print i2 + ll2" "Cannot perform operation on vectors with different types"
 152 gdb_test "print ll2 + i2" "Cannot perform operation on vectors with different types"
 153 gdb_test "print i4a + ll2" "Cannot perform operation on vectors with different types"
 154 gdb_test "print ll2 + i4a" "Cannot perform operation on vectors with different types"
 155 gdb_test "print f4a + d2" "Cannot perform operation on vectors with different types"
 156 gdb_test "print d2 + f4a" "Cannot perform operation on vectors with different types"
 157 gdb_test "print ui4 + i4a" "Cannot perform operation on vectors with different types"
 158 gdb_test "print i4a + ui4" "Cannot perform operation on vectors with different types"
 159 gdb_test "print i4a + i2" "Cannot perform operation on vectors with different types"
 160 gdb_test "print i2 + i4a" "Cannot perform operation on vectors with different types"
 161 gdb_test "print f4a + f2" "Cannot perform operation on vectors with different types"
 162 gdb_test "print f2 + f4a" "Cannot perform operation on vectors with different types"
 163
 164 gdb_test "print (double2) f2" "Cannot convert between vector values of different sizes"
 165 gdb_test "print (int4) c4" "Cannot convert between vector values of different sizes"
 166 gdb_test "print (char4) i4a" "Cannot convert between vector values of different sizes"
 167
 168 # Test ptype on vector types.
 169 gdb_test "ptype c4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 170 gdb_test "ptype char4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 171 gdb_test "ptype i4a" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 172 gdb_test "ptype int4" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 173 gdb_test "ptype f4b" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 174 gdb_test "ptype float4" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 175
 176 gdb_test "ptype union_with_vector_1" "type = union {\r\n\[\t \]+int i;\r\n\[\t \]+char cv __attribute__ \\(\\(vector_size\\(4\\)\\)\\);\r\n}"
 177 gdb_test "ptype struct_with_vector_1" "type = struct {\r\n\[\t \]+int i;\r\n\[\t \]+char cv __attribute__ \\(\\(vector_size\\(4\\)\\)\\);\r\n\[\t \]+float4 f4;\r\n}"