| 1 | /* OpenCL language support for GDB, the GNU debugger. |
| 2 | Copyright (C) 2010 Free Software Foundation, Inc. |
| 3 | |
| 4 | Contributed by Ken Werner <ken.werner@de.ibm.com>. |
| 5 | |
| 6 | This file is part of GDB. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include "gdb_string.h" |
| 23 | #include "gdbtypes.h" |
| 24 | #include "symtab.h" |
| 25 | #include "expression.h" |
| 26 | #include "parser-defs.h" |
| 27 | #include "symtab.h" |
| 28 | #include "language.h" |
| 29 | #include "c-lang.h" |
| 30 | #include "gdb_assert.h" |
| 31 | |
| 32 | extern void _initialize_opencl_language (void); |
| 33 | |
| 34 | /* This macro generates enum values from a given type. */ |
| 35 | |
| 36 | #define OCL_P_TYPE(TYPE)\ |
| 37 | opencl_primitive_type_##TYPE,\ |
| 38 | opencl_primitive_type_##TYPE##2,\ |
| 39 | opencl_primitive_type_##TYPE##3,\ |
| 40 | opencl_primitive_type_##TYPE##4,\ |
| 41 | opencl_primitive_type_##TYPE##8,\ |
| 42 | opencl_primitive_type_##TYPE##16 |
| 43 | |
| 44 | enum opencl_primitive_types { |
| 45 | OCL_P_TYPE (char), |
| 46 | OCL_P_TYPE (uchar), |
| 47 | OCL_P_TYPE (short), |
| 48 | OCL_P_TYPE (ushort), |
| 49 | OCL_P_TYPE (int), |
| 50 | OCL_P_TYPE (uint), |
| 51 | OCL_P_TYPE (long), |
| 52 | OCL_P_TYPE (ulong), |
| 53 | OCL_P_TYPE (half), |
| 54 | OCL_P_TYPE (float), |
| 55 | OCL_P_TYPE (double), |
| 56 | opencl_primitive_type_bool, |
| 57 | opencl_primitive_type_unsigned_char, |
| 58 | opencl_primitive_type_unsigned_short, |
| 59 | opencl_primitive_type_unsigned_int, |
| 60 | opencl_primitive_type_unsigned_long, |
| 61 | opencl_primitive_type_size_t, |
| 62 | opencl_primitive_type_ptrdiff_t, |
| 63 | opencl_primitive_type_intptr_t, |
| 64 | opencl_primitive_type_uintptr_t, |
| 65 | opencl_primitive_type_void, |
| 66 | nr_opencl_primitive_types |
| 67 | }; |
| 68 | |
| 69 | /* This macro generates the type struct declarations from a given type. */ |
| 70 | |
| 71 | #define STRUCT_OCL_TYPE(TYPE)\ |
| 72 | struct type *builtin_##TYPE;\ |
| 73 | struct type *builtin_##TYPE##2;\ |
| 74 | struct type *builtin_##TYPE##3;\ |
| 75 | struct type *builtin_##TYPE##4;\ |
| 76 | struct type *builtin_##TYPE##8;\ |
| 77 | struct type *builtin_##TYPE##16 |
| 78 | |
| 79 | struct builtin_opencl_type |
| 80 | { |
| 81 | STRUCT_OCL_TYPE (char); |
| 82 | STRUCT_OCL_TYPE (uchar); |
| 83 | STRUCT_OCL_TYPE (short); |
| 84 | STRUCT_OCL_TYPE (ushort); |
| 85 | STRUCT_OCL_TYPE (int); |
| 86 | STRUCT_OCL_TYPE (uint); |
| 87 | STRUCT_OCL_TYPE (long); |
| 88 | STRUCT_OCL_TYPE (ulong); |
| 89 | STRUCT_OCL_TYPE (half); |
| 90 | STRUCT_OCL_TYPE (float); |
| 91 | STRUCT_OCL_TYPE (double); |
| 92 | struct type *builtin_bool; |
| 93 | struct type *builtin_unsigned_char; |
| 94 | struct type *builtin_unsigned_short; |
| 95 | struct type *builtin_unsigned_int; |
| 96 | struct type *builtin_unsigned_long; |
| 97 | struct type *builtin_size_t; |
| 98 | struct type *builtin_ptrdiff_t; |
| 99 | struct type *builtin_intptr_t; |
| 100 | struct type *builtin_uintptr_t; |
| 101 | struct type *builtin_void; |
| 102 | }; |
| 103 | |
| 104 | static struct gdbarch_data *opencl_type_data; |
| 105 | |
| 106 | const struct builtin_opencl_type * |
| 107 | builtin_opencl_type (struct gdbarch *gdbarch) |
| 108 | { |
| 109 | return gdbarch_data (gdbarch, opencl_type_data); |
| 110 | } |
| 111 | |
| 112 | /* Returns the corresponding OpenCL vector type from the given type code, |
| 113 | the length of the element type, the unsigned flag and the amount of |
| 114 | elements (N). */ |
| 115 | |
| 116 | static struct type * |
| 117 | lookup_opencl_vector_type (struct gdbarch *gdbarch, enum type_code code, |
| 118 | unsigned int el_length, unsigned int flag_unsigned, |
| 119 | int n) |
| 120 | { |
| 121 | int i; |
| 122 | unsigned int length; |
| 123 | struct type *type = NULL; |
| 124 | struct type **types = (struct type **) builtin_opencl_type (gdbarch); |
| 125 | |
| 126 | /* Check if n describes a valid OpenCL vector size (2, 3, 4, 8, 16). */ |
| 127 | if (n != 2 && n != 3 && n != 4 && n != 8 && n != 16) |
| 128 | error (_("Invalid OpenCL vector size: %d"), n); |
| 129 | |
| 130 | /* Triple vectors have the size of a quad vector. */ |
| 131 | length = (n == 3) ? el_length * 4 : el_length * n; |
| 132 | |
| 133 | for (i = 0; i < nr_opencl_primitive_types; i++) |
| 134 | { |
| 135 | LONGEST lowb, highb; |
| 136 | |
| 137 | if (TYPE_CODE (types[i]) == TYPE_CODE_ARRAY && TYPE_VECTOR (types[i]) |
| 138 | && get_array_bounds (types[i], &lowb, &highb) |
| 139 | && TYPE_CODE (TYPE_TARGET_TYPE (types[i])) == code |
| 140 | && TYPE_UNSIGNED (TYPE_TARGET_TYPE (types[i])) == flag_unsigned |
| 141 | && TYPE_LENGTH (TYPE_TARGET_TYPE (types[i])) == el_length |
| 142 | && TYPE_LENGTH (types[i]) == length |
| 143 | && highb - lowb + 1 == n) |
| 144 | { |
| 145 | type = types[i]; |
| 146 | break; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | return type; |
| 151 | } |
| 152 | |
| 153 | /* Returns nonzero if the array ARR contains duplicates within |
| 154 | the first N elements. */ |
| 155 | |
| 156 | static int |
| 157 | array_has_dups (int *arr, int n) |
| 158 | { |
| 159 | int i, j; |
| 160 | |
| 161 | for (i = 0; i < n; i++) |
| 162 | { |
| 163 | for (j = i + 1; j < n; j++) |
| 164 | { |
| 165 | if (arr[i] == arr[j]) |
| 166 | return 1; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | return 0; |
| 171 | } |
| 172 | |
| 173 | /* The OpenCL component access syntax allows to create lvalues referring to |
| 174 | selected elements of an original OpenCL vector in arbitrary order. This |
| 175 | structure holds the information to describe such lvalues. */ |
| 176 | |
| 177 | struct lval_closure |
| 178 | { |
| 179 | /* Reference count. */ |
| 180 | int refc; |
| 181 | /* The number of indices. */ |
| 182 | int n; |
| 183 | /* The element indices themselves. */ |
| 184 | int *indices; |
| 185 | /* A pointer to the original value. */ |
| 186 | struct value *val; |
| 187 | }; |
| 188 | |
| 189 | /* Allocates an instance of struct lval_closure. */ |
| 190 | |
| 191 | static struct lval_closure * |
| 192 | allocate_lval_closure (int *indices, int n, struct value *val) |
| 193 | { |
| 194 | struct lval_closure *c = XZALLOC (struct lval_closure); |
| 195 | |
| 196 | c->refc = 1; |
| 197 | c->n = n; |
| 198 | c->indices = XCALLOC (n, int); |
| 199 | memcpy (c->indices, indices, n * sizeof (int)); |
| 200 | value_incref (val); /* Increment the reference counter of the value. */ |
| 201 | c->val = val; |
| 202 | |
| 203 | return c; |
| 204 | } |
| 205 | |
| 206 | static void |
| 207 | lval_func_read (struct value *v) |
| 208 | { |
| 209 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 210 | struct type *type = check_typedef (value_type (v)); |
| 211 | struct type *eltype = TYPE_TARGET_TYPE (check_typedef (value_type (c->val))); |
| 212 | int offset = value_offset (v); |
| 213 | int elsize = TYPE_LENGTH (eltype); |
| 214 | int n, i, j = 0; |
| 215 | LONGEST lowb = 0; |
| 216 | LONGEST highb = 0; |
| 217 | |
| 218 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY |
| 219 | && !get_array_bounds (type, &lowb, &highb)) |
| 220 | error (_("Could not determine the vector bounds")); |
| 221 | |
| 222 | /* Assume elsize aligned offset. */ |
| 223 | gdb_assert (offset % elsize == 0); |
| 224 | offset /= elsize; |
| 225 | n = offset + highb - lowb + 1; |
| 226 | gdb_assert (n <= c->n); |
| 227 | |
| 228 | for (i = offset; i < n; i++) |
| 229 | memcpy (value_contents_raw (v) + j++ * elsize, |
| 230 | value_contents (c->val) + c->indices[i] * elsize, |
| 231 | elsize); |
| 232 | } |
| 233 | |
| 234 | static void |
| 235 | lval_func_write (struct value *v, struct value *fromval) |
| 236 | { |
| 237 | struct value *mark = value_mark (); |
| 238 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 239 | struct type *type = check_typedef (value_type (v)); |
| 240 | struct type *eltype = TYPE_TARGET_TYPE (check_typedef (value_type (c->val))); |
| 241 | int offset = value_offset (v); |
| 242 | int elsize = TYPE_LENGTH (eltype); |
| 243 | int n, i, j = 0; |
| 244 | LONGEST lowb = 0; |
| 245 | LONGEST highb = 0; |
| 246 | |
| 247 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY |
| 248 | && !get_array_bounds (type, &lowb, &highb)) |
| 249 | error (_("Could not determine the vector bounds")); |
| 250 | |
| 251 | /* Assume elsize aligned offset. */ |
| 252 | gdb_assert (offset % elsize == 0); |
| 253 | offset /= elsize; |
| 254 | n = offset + highb - lowb + 1; |
| 255 | |
| 256 | /* Since accesses to the fourth component of a triple vector is undefined we |
| 257 | just skip writes to the fourth element. Imagine something like this: |
| 258 | int3 i3 = (int3)(0, 1, 2); |
| 259 | i3.hi.hi = 5; |
| 260 | In this case n would be 4 (offset=12/4 + 1) while c->n would be 3. */ |
| 261 | if (n > c->n) |
| 262 | n = c->n; |
| 263 | |
| 264 | for (i = offset; i < n; i++) |
| 265 | { |
| 266 | struct value *from_elm_val = allocate_value (eltype); |
| 267 | struct value *to_elm_val = value_subscript (c->val, c->indices[i]); |
| 268 | |
| 269 | memcpy (value_contents_writeable (from_elm_val), |
| 270 | value_contents (fromval) + j++ * elsize, |
| 271 | elsize); |
| 272 | value_assign (to_elm_val, from_elm_val); |
| 273 | } |
| 274 | |
| 275 | value_free_to_mark (mark); |
| 276 | } |
| 277 | |
| 278 | /* Return nonzero if all bits in V within OFFSET and LENGTH are valid. */ |
| 279 | |
| 280 | static int |
| 281 | lval_func_check_validity (const struct value *v, int offset, int length) |
| 282 | { |
| 283 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 284 | /* Size of the target type in bits. */ |
| 285 | int elsize = |
| 286 | TYPE_LENGTH (TYPE_TARGET_TYPE (check_typedef (value_type (c->val)))) * 8; |
| 287 | int startrest = offset % elsize; |
| 288 | int start = offset / elsize; |
| 289 | int endrest = (offset + length) % elsize; |
| 290 | int end = (offset + length) / elsize; |
| 291 | int i; |
| 292 | |
| 293 | if (endrest) |
| 294 | end++; |
| 295 | |
| 296 | if (end > c->n) |
| 297 | return 0; |
| 298 | |
| 299 | for (i = start; i < end; i++) |
| 300 | { |
| 301 | int startoffset = (i == start) ? startrest : 0; |
| 302 | int length = (i == end) ? endrest : elsize; |
| 303 | |
| 304 | if (!value_bits_valid (c->val, c->indices[i] * elsize + startoffset, |
| 305 | length)) |
| 306 | return 0; |
| 307 | } |
| 308 | |
| 309 | return 1; |
| 310 | } |
| 311 | |
| 312 | /* Return nonzero if any bit in V is valid. */ |
| 313 | |
| 314 | static int |
| 315 | lval_func_check_any_valid (const struct value *v) |
| 316 | { |
| 317 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 318 | /* Size of the target type in bits. */ |
| 319 | int elsize = |
| 320 | TYPE_LENGTH (TYPE_TARGET_TYPE (check_typedef (value_type (c->val)))) * 8; |
| 321 | int i; |
| 322 | |
| 323 | for (i = 0; i < c->n; i++) |
| 324 | if (value_bits_valid (c->val, c->indices[i] * elsize, elsize)) |
| 325 | return 1; |
| 326 | |
| 327 | return 0; |
| 328 | } |
| 329 | |
| 330 | /* Return nonzero if bits in V from OFFSET and LENGTH represent a |
| 331 | synthetic pointer. */ |
| 332 | |
| 333 | static int |
| 334 | lval_func_check_synthetic_pointer (const struct value *v, |
| 335 | int offset, int length) |
| 336 | { |
| 337 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 338 | /* Size of the target type in bits. */ |
| 339 | int elsize = |
| 340 | TYPE_LENGTH (TYPE_TARGET_TYPE (check_typedef (value_type (c->val)))) * 8; |
| 341 | int startrest = offset % elsize; |
| 342 | int start = offset / elsize; |
| 343 | int endrest = (offset + length) % elsize; |
| 344 | int end = (offset + length) / elsize; |
| 345 | int i; |
| 346 | |
| 347 | if (endrest) |
| 348 | end++; |
| 349 | |
| 350 | if (end > c->n) |
| 351 | return 0; |
| 352 | |
| 353 | for (i = start; i < end; i++) |
| 354 | { |
| 355 | int startoffset = (i == start) ? startrest : 0; |
| 356 | int length = (i == end) ? endrest : elsize; |
| 357 | |
| 358 | if (!value_bits_synthetic_pointer (c->val, |
| 359 | c->indices[i] * elsize + startoffset, |
| 360 | length)) |
| 361 | return 0; |
| 362 | } |
| 363 | |
| 364 | return 1; |
| 365 | } |
| 366 | |
| 367 | static void * |
| 368 | lval_func_copy_closure (const struct value *v) |
| 369 | { |
| 370 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 371 | |
| 372 | ++c->refc; |
| 373 | |
| 374 | return c; |
| 375 | } |
| 376 | |
| 377 | static void |
| 378 | lval_func_free_closure (struct value *v) |
| 379 | { |
| 380 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 381 | |
| 382 | --c->refc; |
| 383 | |
| 384 | if (c->refc == 0) |
| 385 | { |
| 386 | xfree (c->indices); |
| 387 | xfree (c); |
| 388 | value_free (c->val); /* Decrement the reference counter of the value. */ |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | static struct lval_funcs opencl_value_funcs = |
| 393 | { |
| 394 | lval_func_read, |
| 395 | lval_func_write, |
| 396 | lval_func_check_validity, |
| 397 | lval_func_check_any_valid, |
| 398 | NULL, |
| 399 | lval_func_check_synthetic_pointer, |
| 400 | lval_func_copy_closure, |
| 401 | lval_func_free_closure |
| 402 | }; |
| 403 | |
| 404 | /* Creates a sub-vector from VAL. The elements are selected by the indices of |
| 405 | an array with the length of N. Supported values for NOSIDE are |
| 406 | EVAL_NORMAL and EVAL_AVOID_SIDE_EFFECTS. */ |
| 407 | |
| 408 | static struct value * |
| 409 | create_value (struct gdbarch *gdbarch, struct value *val, enum noside noside, |
| 410 | int *indices, int n) |
| 411 | { |
| 412 | struct type *type = check_typedef (value_type (val)); |
| 413 | struct type *elm_type = TYPE_TARGET_TYPE (type); |
| 414 | struct value *ret; |
| 415 | |
| 416 | /* Check if a single component of a vector is requested which means |
| 417 | the resulting type is a (primitive) scalar type. */ |
| 418 | if (n == 1) |
| 419 | { |
| 420 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
| 421 | ret = value_zero (elm_type, not_lval); |
| 422 | else |
| 423 | ret = value_subscript (val, indices[0]); |
| 424 | } |
| 425 | else |
| 426 | { |
| 427 | /* Multiple components of the vector are requested which means the |
| 428 | resulting type is a vector as well. */ |
| 429 | struct type *dst_type = |
| 430 | lookup_opencl_vector_type (gdbarch, TYPE_CODE (elm_type), |
| 431 | TYPE_LENGTH (elm_type), |
| 432 | TYPE_UNSIGNED (elm_type), n); |
| 433 | |
| 434 | if (dst_type == NULL) |
| 435 | dst_type = init_vector_type (elm_type, n); |
| 436 | |
| 437 | make_cv_type (TYPE_CONST (type), TYPE_VOLATILE (type), dst_type, NULL); |
| 438 | |
| 439 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
| 440 | ret = allocate_value (dst_type); |
| 441 | else |
| 442 | { |
| 443 | /* Check whether to create a lvalue or not. */ |
| 444 | if (VALUE_LVAL (val) != not_lval && !array_has_dups (indices, n)) |
| 445 | { |
| 446 | struct lval_closure *c = allocate_lval_closure (indices, n, val); |
| 447 | ret = allocate_computed_value (dst_type, &opencl_value_funcs, c); |
| 448 | } |
| 449 | else |
| 450 | { |
| 451 | int i; |
| 452 | |
| 453 | ret = allocate_value (dst_type); |
| 454 | |
| 455 | /* Copy src val contents into the destination value. */ |
| 456 | for (i = 0; i < n; i++) |
| 457 | memcpy (value_contents_writeable (ret) |
| 458 | + (i * TYPE_LENGTH (elm_type)), |
| 459 | value_contents (val) |
| 460 | + (indices[i] * TYPE_LENGTH (elm_type)), |
| 461 | TYPE_LENGTH (elm_type)); |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | return ret; |
| 466 | } |
| 467 | |
| 468 | /* OpenCL vector component access. */ |
| 469 | |
| 470 | static struct value * |
| 471 | opencl_component_ref (struct expression *exp, struct value *val, char *comps, |
| 472 | enum noside noside) |
| 473 | { |
| 474 | LONGEST lowb, highb; |
| 475 | int src_len; |
| 476 | struct value *v; |
| 477 | int indices[16], i; |
| 478 | int dst_len; |
| 479 | |
| 480 | if (!get_array_bounds (check_typedef (value_type (val)), &lowb, &highb)) |
| 481 | error (_("Could not determine the vector bounds")); |
| 482 | |
| 483 | src_len = highb - lowb + 1; |
| 484 | |
| 485 | /* Throw an error if the amount of array elements does not fit a |
| 486 | valid OpenCL vector size (2, 3, 4, 8, 16). */ |
| 487 | if (src_len != 2 && src_len != 3 && src_len != 4 && src_len != 8 |
| 488 | && src_len != 16) |
| 489 | error (_("Invalid OpenCL vector size")); |
| 490 | |
| 491 | if (strcmp (comps, "lo") == 0 ) |
| 492 | { |
| 493 | dst_len = (src_len == 3) ? 2 : src_len / 2; |
| 494 | |
| 495 | for (i = 0; i < dst_len; i++) |
| 496 | indices[i] = i; |
| 497 | } |
| 498 | else if (strcmp (comps, "hi") == 0) |
| 499 | { |
| 500 | dst_len = (src_len == 3) ? 2 : src_len / 2; |
| 501 | |
| 502 | for (i = 0; i < dst_len; i++) |
| 503 | indices[i] = dst_len + i; |
| 504 | } |
| 505 | else if (strcmp (comps, "even") == 0) |
| 506 | { |
| 507 | dst_len = (src_len == 3) ? 2 : src_len / 2; |
| 508 | |
| 509 | for (i = 0; i < dst_len; i++) |
| 510 | indices[i] = i*2; |
| 511 | } |
| 512 | else if (strcmp (comps, "odd") == 0) |
| 513 | { |
| 514 | dst_len = (src_len == 3) ? 2 : src_len / 2; |
| 515 | |
| 516 | for (i = 0; i < dst_len; i++) |
| 517 | indices[i] = i*2+1; |
| 518 | } |
| 519 | else if (strncasecmp (comps, "s", 1) == 0) |
| 520 | { |
| 521 | #define HEXCHAR_TO_INT(C) ((C >= '0' && C <= '9') ? \ |
| 522 | C-'0' : ((C >= 'A' && C <= 'F') ? \ |
| 523 | C-'A'+10 : ((C >= 'a' && C <= 'f') ? \ |
| 524 | C-'a'+10 : -1))) |
| 525 | |
| 526 | dst_len = strlen (comps); |
| 527 | /* Skip the s/S-prefix. */ |
| 528 | dst_len--; |
| 529 | |
| 530 | for (i = 0; i < dst_len; i++) |
| 531 | { |
| 532 | indices[i] = HEXCHAR_TO_INT(comps[i+1]); |
| 533 | /* Check if the requested component is invalid or exceeds |
| 534 | the vector. */ |
| 535 | if (indices[i] < 0 || indices[i] >= src_len) |
| 536 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 537 | } |
| 538 | } |
| 539 | else |
| 540 | { |
| 541 | dst_len = strlen (comps); |
| 542 | |
| 543 | for (i = 0; i < dst_len; i++) |
| 544 | { |
| 545 | /* x, y, z, w */ |
| 546 | switch (comps[i]) |
| 547 | { |
| 548 | case 'x': |
| 549 | indices[i] = 0; |
| 550 | break; |
| 551 | case 'y': |
| 552 | indices[i] = 1; |
| 553 | break; |
| 554 | case 'z': |
| 555 | if (src_len < 3) |
| 556 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 557 | indices[i] = 2; |
| 558 | break; |
| 559 | case 'w': |
| 560 | if (src_len < 4) |
| 561 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 562 | indices[i] = 3; |
| 563 | break; |
| 564 | default: |
| 565 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 566 | break; |
| 567 | } |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | /* Throw an error if the amount of requested components does not |
| 572 | result in a valid length (1, 2, 3, 4, 8, 16). */ |
| 573 | if (dst_len != 1 && dst_len != 2 && dst_len != 3 && dst_len != 4 |
| 574 | && dst_len != 8 && dst_len != 16) |
| 575 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 576 | |
| 577 | v = create_value (exp->gdbarch, val, noside, indices, dst_len); |
| 578 | |
| 579 | return v; |
| 580 | } |
| 581 | |
| 582 | /* Perform the unary logical not (!) operation. */ |
| 583 | |
| 584 | static struct value * |
| 585 | opencl_logical_not (struct expression *exp, struct value *arg) |
| 586 | { |
| 587 | struct type *type = check_typedef (value_type (arg)); |
| 588 | struct type *rettype; |
| 589 | struct value *ret; |
| 590 | |
| 591 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type)) |
| 592 | { |
| 593 | struct type *eltype = check_typedef (TYPE_TARGET_TYPE (type)); |
| 594 | LONGEST lowb, highb; |
| 595 | int i; |
| 596 | |
| 597 | if (!get_array_bounds (type, &lowb, &highb)) |
| 598 | error (_("Could not determine the vector bounds")); |
| 599 | |
| 600 | /* Determine the resulting type of the operation and allocate the |
| 601 | value. */ |
| 602 | rettype = lookup_opencl_vector_type (exp->gdbarch, TYPE_CODE_INT, |
| 603 | TYPE_LENGTH (eltype), 0, |
| 604 | highb - lowb + 1); |
| 605 | ret = allocate_value (rettype); |
| 606 | |
| 607 | for (i = 0; i < highb - lowb + 1; i++) |
| 608 | { |
| 609 | /* For vector types, the unary operator shall return a 0 if the |
| 610 | value of its operand compares unequal to 0, and -1 (i.e. all bits |
| 611 | set) if the value of its operand compares equal to 0. */ |
| 612 | int tmp = value_logical_not (value_subscript (arg, i)) ? -1 : 0; |
| 613 | memset (value_contents_writeable (ret) + i * TYPE_LENGTH (eltype), |
| 614 | tmp, TYPE_LENGTH (eltype)); |
| 615 | } |
| 616 | } |
| 617 | else |
| 618 | { |
| 619 | rettype = language_bool_type (exp->language_defn, exp->gdbarch); |
| 620 | ret = value_from_longest (rettype, value_logical_not (arg)); |
| 621 | } |
| 622 | |
| 623 | return ret; |
| 624 | } |
| 625 | |
| 626 | /* Perform a relational operation on two scalar operands. */ |
| 627 | |
| 628 | static int |
| 629 | scalar_relop (struct value *val1, struct value *val2, enum exp_opcode op) |
| 630 | { |
| 631 | int ret; |
| 632 | |
| 633 | switch (op) |
| 634 | { |
| 635 | case BINOP_EQUAL: |
| 636 | ret = value_equal (val1, val2); |
| 637 | break; |
| 638 | case BINOP_NOTEQUAL: |
| 639 | ret = !value_equal (val1, val2); |
| 640 | break; |
| 641 | case BINOP_LESS: |
| 642 | ret = value_less (val1, val2); |
| 643 | break; |
| 644 | case BINOP_GTR: |
| 645 | ret = value_less (val2, val1); |
| 646 | break; |
| 647 | case BINOP_GEQ: |
| 648 | ret = value_less (val2, val1) || value_equal (val1, val2); |
| 649 | break; |
| 650 | case BINOP_LEQ: |
| 651 | ret = value_less (val1, val2) || value_equal (val1, val2); |
| 652 | break; |
| 653 | case BINOP_LOGICAL_AND: |
| 654 | ret = !value_logical_not (val1) && !value_logical_not (val2); |
| 655 | break; |
| 656 | case BINOP_LOGICAL_OR: |
| 657 | ret = !value_logical_not (val1) || !value_logical_not (val2); |
| 658 | break; |
| 659 | default: |
| 660 | error (_("Attempt to perform an unsupported operation")); |
| 661 | break; |
| 662 | } |
| 663 | return ret; |
| 664 | } |
| 665 | |
| 666 | /* Perform a relational operation on two vector operands. */ |
| 667 | |
| 668 | static struct value * |
| 669 | vector_relop (struct expression *exp, struct value *val1, struct value *val2, |
| 670 | enum exp_opcode op) |
| 671 | { |
| 672 | struct value *ret; |
| 673 | struct type *type1, *type2, *eltype1, *eltype2, *rettype; |
| 674 | int t1_is_vec, t2_is_vec, i; |
| 675 | LONGEST lowb1, lowb2, highb1, highb2; |
| 676 | |
| 677 | type1 = check_typedef (value_type (val1)); |
| 678 | type2 = check_typedef (value_type (val2)); |
| 679 | |
| 680 | t1_is_vec = (TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1)); |
| 681 | t2_is_vec = (TYPE_CODE (type2) == TYPE_CODE_ARRAY && TYPE_VECTOR (type2)); |
| 682 | |
| 683 | if (!t1_is_vec || !t2_is_vec) |
| 684 | error (_("Vector operations are not supported on scalar types")); |
| 685 | |
| 686 | eltype1 = check_typedef (TYPE_TARGET_TYPE (type1)); |
| 687 | eltype2 = check_typedef (TYPE_TARGET_TYPE (type2)); |
| 688 | |
| 689 | if (!get_array_bounds (type1,&lowb1, &highb1) |
| 690 | || !get_array_bounds (type2, &lowb2, &highb2)) |
| 691 | error (_("Could not determine the vector bounds")); |
| 692 | |
| 693 | /* Check whether the vector types are compatible. */ |
| 694 | if (TYPE_CODE (eltype1) != TYPE_CODE (eltype2) |
| 695 | || TYPE_LENGTH (eltype1) != TYPE_LENGTH (eltype2) |
| 696 | || TYPE_UNSIGNED (eltype1) != TYPE_UNSIGNED (eltype2) |
| 697 | || lowb1 != lowb2 || highb1 != highb2) |
| 698 | error (_("Cannot perform operation on vectors with different types")); |
| 699 | |
| 700 | /* Determine the resulting type of the operation and allocate the value. */ |
| 701 | rettype = lookup_opencl_vector_type (exp->gdbarch, TYPE_CODE_INT, |
| 702 | TYPE_LENGTH (eltype1), 0, |
| 703 | highb1 - lowb1 + 1); |
| 704 | ret = allocate_value (rettype); |
| 705 | |
| 706 | for (i = 0; i < highb1 - lowb1 + 1; i++) |
| 707 | { |
| 708 | /* For vector types, the relational, equality and logical operators shall |
| 709 | return 0 if the specified relation is false and -1 (i.e. all bits set) |
| 710 | if the specified relation is true. */ |
| 711 | int tmp = scalar_relop (value_subscript (val1, i), |
| 712 | value_subscript (val2, i), op) ? -1 : 0; |
| 713 | memset (value_contents_writeable (ret) + i * TYPE_LENGTH (eltype1), |
| 714 | tmp, TYPE_LENGTH (eltype1)); |
| 715 | } |
| 716 | |
| 717 | return ret; |
| 718 | } |
| 719 | |
| 720 | /* Perform a relational operation on two operands. */ |
| 721 | |
| 722 | static struct value * |
| 723 | opencl_relop (struct expression *exp, struct value *arg1, struct value *arg2, |
| 724 | enum exp_opcode op) |
| 725 | { |
| 726 | struct value *val; |
| 727 | struct type *type1 = check_typedef (value_type (arg1)); |
| 728 | struct type *type2 = check_typedef (value_type (arg2)); |
| 729 | int t1_is_vec = (TYPE_CODE (type1) == TYPE_CODE_ARRAY |
| 730 | && TYPE_VECTOR (type1)); |
| 731 | int t2_is_vec = (TYPE_CODE (type2) == TYPE_CODE_ARRAY |
| 732 | && TYPE_VECTOR (type2)); |
| 733 | |
| 734 | if (!t1_is_vec && !t2_is_vec) |
| 735 | { |
| 736 | int tmp = scalar_relop (arg1, arg2, op); |
| 737 | struct type *type = |
| 738 | language_bool_type (exp->language_defn, exp->gdbarch); |
| 739 | |
| 740 | val = value_from_longest (type, tmp); |
| 741 | } |
| 742 | else if (t1_is_vec && t2_is_vec) |
| 743 | { |
| 744 | val = vector_relop (exp, arg1, arg2, op); |
| 745 | } |
| 746 | else |
| 747 | { |
| 748 | /* Widen the scalar operand to a vector. */ |
| 749 | struct value **v = t1_is_vec ? &arg2 : &arg1; |
| 750 | struct type *t = t1_is_vec ? type2 : type1; |
| 751 | |
| 752 | if (TYPE_CODE (t) != TYPE_CODE_FLT && !is_integral_type (t)) |
| 753 | error (_("Argument to operation not a number or boolean.")); |
| 754 | |
| 755 | *v = value_cast (t1_is_vec ? type1 : type2, *v); |
| 756 | val = vector_relop (exp, arg1, arg2, op); |
| 757 | } |
| 758 | |
| 759 | return val; |
| 760 | } |
| 761 | |
| 762 | /* Expression evaluator for the OpenCL. Most operations are delegated to |
| 763 | evaluate_subexp_standard; see that function for a description of the |
| 764 | arguments. */ |
| 765 | |
| 766 | static struct value * |
| 767 | evaluate_subexp_opencl (struct type *expect_type, struct expression *exp, |
| 768 | int *pos, enum noside noside) |
| 769 | { |
| 770 | enum exp_opcode op = exp->elts[*pos].opcode; |
| 771 | struct value *arg1 = NULL; |
| 772 | struct value *arg2 = NULL; |
| 773 | struct type *type1, *type2; |
| 774 | |
| 775 | switch (op) |
| 776 | { |
| 777 | /* Handle binary relational and equality operators that are either not |
| 778 | or differently defined for GNU vectors. */ |
| 779 | case BINOP_EQUAL: |
| 780 | case BINOP_NOTEQUAL: |
| 781 | case BINOP_LESS: |
| 782 | case BINOP_GTR: |
| 783 | case BINOP_GEQ: |
| 784 | case BINOP_LEQ: |
| 785 | (*pos)++; |
| 786 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 787 | arg2 = evaluate_subexp (value_type (arg1), exp, pos, noside); |
| 788 | |
| 789 | if (noside == EVAL_SKIP) |
| 790 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 791 | builtin_int, 1); |
| 792 | |
| 793 | return opencl_relop (exp, arg1, arg2, op); |
| 794 | |
| 795 | /* Handle the logical unary operator not(!). */ |
| 796 | case UNOP_LOGICAL_NOT: |
| 797 | (*pos)++; |
| 798 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 799 | |
| 800 | if (noside == EVAL_SKIP) |
| 801 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 802 | builtin_int, 1); |
| 803 | |
| 804 | return opencl_logical_not (exp, arg1); |
| 805 | |
| 806 | /* Handle the logical operator and(&&) and or(||). */ |
| 807 | case BINOP_LOGICAL_AND: |
| 808 | case BINOP_LOGICAL_OR: |
| 809 | (*pos)++; |
| 810 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 811 | |
| 812 | if (noside == EVAL_SKIP) |
| 813 | { |
| 814 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 815 | |
| 816 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 817 | builtin_int, 1); |
| 818 | } |
| 819 | else |
| 820 | { |
| 821 | /* For scalar operations we need to avoid evaluating operands |
| 822 | unecessarily. However, for vector operations we always need to |
| 823 | evaluate both operands. Unfortunately we only know which of the |
| 824 | two cases apply after we know the type of the second operand. |
| 825 | Therefore we evaluate it once using EVAL_AVOID_SIDE_EFFECTS. */ |
| 826 | int oldpos = *pos; |
| 827 | |
| 828 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, EVAL_AVOID_SIDE_EFFECTS); |
| 829 | *pos = oldpos; |
| 830 | type1 = check_typedef (value_type (arg1)); |
| 831 | type2 = check_typedef (value_type (arg2)); |
| 832 | |
| 833 | if ((TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1)) |
| 834 | || (TYPE_CODE (type2) == TYPE_CODE_ARRAY && TYPE_VECTOR (type2))) |
| 835 | { |
| 836 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 837 | |
| 838 | return opencl_relop (exp, arg1, arg2, op); |
| 839 | } |
| 840 | else |
| 841 | { |
| 842 | /* For scalar built-in types, only evaluate the right |
| 843 | hand operand if the left hand operand compares |
| 844 | unequal(&&)/equal(||) to 0. */ |
| 845 | int res; |
| 846 | int tmp = value_logical_not (arg1); |
| 847 | |
| 848 | if (op == BINOP_LOGICAL_OR) |
| 849 | tmp = !tmp; |
| 850 | |
| 851 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, |
| 852 | tmp ? EVAL_SKIP : noside); |
| 853 | type1 = language_bool_type (exp->language_defn, exp->gdbarch); |
| 854 | |
| 855 | if (op == BINOP_LOGICAL_AND) |
| 856 | res = !tmp && !value_logical_not (arg2); |
| 857 | else /* BINOP_LOGICAL_OR */ |
| 858 | res = tmp || !value_logical_not (arg2); |
| 859 | |
| 860 | return value_from_longest (type1, res); |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | /* Handle the ternary selection operator. */ |
| 865 | case TERNOP_COND: |
| 866 | (*pos)++; |
| 867 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 868 | type1 = check_typedef (value_type (arg1)); |
| 869 | if (TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1)) |
| 870 | { |
| 871 | struct value *arg3, *tmp, *ret; |
| 872 | struct type *eltype2, *type3, *eltype3; |
| 873 | int t2_is_vec, t3_is_vec, i; |
| 874 | LONGEST lowb1, lowb2, lowb3, highb1, highb2, highb3; |
| 875 | |
| 876 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 877 | arg3 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 878 | type2 = check_typedef (value_type (arg2)); |
| 879 | type3 = check_typedef (value_type (arg3)); |
| 880 | t2_is_vec |
| 881 | = TYPE_CODE (type2) == TYPE_CODE_ARRAY && TYPE_VECTOR (type2); |
| 882 | t3_is_vec |
| 883 | = TYPE_CODE (type3) == TYPE_CODE_ARRAY && TYPE_VECTOR (type3); |
| 884 | |
| 885 | /* Widen the scalar operand to a vector if necessary. */ |
| 886 | if (t2_is_vec || !t3_is_vec) |
| 887 | { |
| 888 | arg3 = value_cast (type2, arg3); |
| 889 | type3 = value_type (arg3); |
| 890 | } |
| 891 | else if (!t2_is_vec || t3_is_vec) |
| 892 | { |
| 893 | arg2 = value_cast (type3, arg2); |
| 894 | type2 = value_type (arg2); |
| 895 | } |
| 896 | else if (!t2_is_vec || !t3_is_vec) |
| 897 | { |
| 898 | /* Throw an error if arg2 or arg3 aren't vectors. */ |
| 899 | error (_("\ |
| 900 | Cannot perform conditional operation on incompatible types")); |
| 901 | } |
| 902 | |
| 903 | eltype2 = check_typedef (TYPE_TARGET_TYPE (type2)); |
| 904 | eltype3 = check_typedef (TYPE_TARGET_TYPE (type3)); |
| 905 | |
| 906 | if (!get_array_bounds (type1, &lowb1, &highb1) |
| 907 | || !get_array_bounds (type2, &lowb2, &highb2) |
| 908 | || !get_array_bounds (type3, &lowb3, &highb3)) |
| 909 | error (_("Could not determine the vector bounds")); |
| 910 | |
| 911 | /* Throw an error if the types of arg2 or arg3 are incompatible. */ |
| 912 | if (TYPE_CODE (eltype2) != TYPE_CODE (eltype3) |
| 913 | || TYPE_LENGTH (eltype2) != TYPE_LENGTH (eltype3) |
| 914 | || TYPE_UNSIGNED (eltype2) != TYPE_UNSIGNED (eltype3) |
| 915 | || lowb2 != lowb3 || highb2 != highb3) |
| 916 | error (_("\ |
| 917 | Cannot perform operation on vectors with different types")); |
| 918 | |
| 919 | /* Throw an error if the sizes of arg1 and arg2/arg3 differ. */ |
| 920 | if (lowb1 != lowb2 || lowb1 != lowb3 |
| 921 | || highb1 != highb2 || highb1 != highb3) |
| 922 | error (_("\ |
| 923 | Cannot perform conditional operation on vectors with different sizes")); |
| 924 | |
| 925 | ret = allocate_value (type2); |
| 926 | |
| 927 | for (i = 0; i < highb1 - lowb1 + 1; i++) |
| 928 | { |
| 929 | tmp = value_logical_not (value_subscript (arg1, i)) ? |
| 930 | value_subscript (arg3, i) : value_subscript (arg2, i); |
| 931 | memcpy (value_contents_writeable (ret) + |
| 932 | i * TYPE_LENGTH (eltype2), value_contents_all (tmp), |
| 933 | TYPE_LENGTH (eltype2)); |
| 934 | } |
| 935 | |
| 936 | return ret; |
| 937 | } |
| 938 | else |
| 939 | { |
| 940 | if (value_logical_not (arg1)) |
| 941 | { |
| 942 | /* Skip the second operand. */ |
| 943 | evaluate_subexp (NULL_TYPE, exp, pos, EVAL_SKIP); |
| 944 | |
| 945 | return evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 946 | } |
| 947 | else |
| 948 | { |
| 949 | /* Skip the third operand. */ |
| 950 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 951 | evaluate_subexp (NULL_TYPE, exp, pos, EVAL_SKIP); |
| 952 | |
| 953 | return arg2; |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | /* Handle STRUCTOP_STRUCT to allow component access on OpenCL vectors. */ |
| 958 | case STRUCTOP_STRUCT: |
| 959 | { |
| 960 | int pc = (*pos)++; |
| 961 | int tem = longest_to_int (exp->elts[pc + 1].longconst); |
| 962 | |
| 963 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); |
| 964 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 965 | type1 = check_typedef (value_type (arg1)); |
| 966 | |
| 967 | if (noside == EVAL_SKIP) |
| 968 | { |
| 969 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 970 | builtin_int, 1); |
| 971 | } |
| 972 | else if (TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1)) |
| 973 | { |
| 974 | return opencl_component_ref (exp, arg1, &exp->elts[pc + 2].string, |
| 975 | noside); |
| 976 | } |
| 977 | else |
| 978 | { |
| 979 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
| 980 | return |
| 981 | value_zero (lookup_struct_elt_type |
| 982 | (value_type (arg1),&exp->elts[pc + 2].string, 0), |
| 983 | lval_memory); |
| 984 | else |
| 985 | return value_struct_elt (&arg1, NULL, |
| 986 | &exp->elts[pc + 2].string, NULL, |
| 987 | "structure"); |
| 988 | } |
| 989 | } |
| 990 | default: |
| 991 | break; |
| 992 | } |
| 993 | |
| 994 | return evaluate_subexp_c (expect_type, exp, pos, noside); |
| 995 | } |
| 996 | |
| 997 | void |
| 998 | opencl_language_arch_info (struct gdbarch *gdbarch, |
| 999 | struct language_arch_info *lai) |
| 1000 | { |
| 1001 | const struct builtin_opencl_type *builtin = builtin_opencl_type (gdbarch); |
| 1002 | |
| 1003 | lai->string_char_type = builtin->builtin_char; |
| 1004 | lai->primitive_type_vector |
| 1005 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_opencl_primitive_types + 1, |
| 1006 | struct type *); |
| 1007 | |
| 1008 | /* This macro fills the primitive_type_vector from a given type. */ |
| 1009 | #define FILL_TYPE_VECTOR(LAI, TYPE)\ |
| 1010 | LAI->primitive_type_vector [opencl_primitive_type_##TYPE]\ |
| 1011 | = builtin->builtin_##TYPE;\ |
| 1012 | LAI->primitive_type_vector [opencl_primitive_type_##TYPE##2]\ |
| 1013 | = builtin->builtin_##TYPE##2;\ |
| 1014 | LAI->primitive_type_vector [opencl_primitive_type_##TYPE##3]\ |
| 1015 | = builtin->builtin_##TYPE##3;\ |
| 1016 | LAI->primitive_type_vector [opencl_primitive_type_##TYPE##4]\ |
| 1017 | = builtin->builtin_##TYPE##4;\ |
| 1018 | LAI->primitive_type_vector [opencl_primitive_type_##TYPE##8]\ |
| 1019 | = builtin->builtin_##TYPE##8;\ |
| 1020 | LAI->primitive_type_vector [opencl_primitive_type_##TYPE##16]\ |
| 1021 | = builtin->builtin_##TYPE##16 |
| 1022 | |
| 1023 | FILL_TYPE_VECTOR (lai, char); |
| 1024 | FILL_TYPE_VECTOR (lai, uchar); |
| 1025 | FILL_TYPE_VECTOR (lai, short); |
| 1026 | FILL_TYPE_VECTOR (lai, ushort); |
| 1027 | FILL_TYPE_VECTOR (lai, int); |
| 1028 | FILL_TYPE_VECTOR (lai, uint); |
| 1029 | FILL_TYPE_VECTOR (lai, long); |
| 1030 | FILL_TYPE_VECTOR (lai, ulong); |
| 1031 | FILL_TYPE_VECTOR (lai, half); |
| 1032 | FILL_TYPE_VECTOR (lai, float); |
| 1033 | FILL_TYPE_VECTOR (lai, double); |
| 1034 | lai->primitive_type_vector [opencl_primitive_type_bool] |
| 1035 | = builtin->builtin_bool; |
| 1036 | lai->primitive_type_vector [opencl_primitive_type_unsigned_char] |
| 1037 | = builtin->builtin_unsigned_char; |
| 1038 | lai->primitive_type_vector [opencl_primitive_type_unsigned_short] |
| 1039 | = builtin->builtin_unsigned_short; |
| 1040 | lai->primitive_type_vector [opencl_primitive_type_unsigned_int] |
| 1041 | = builtin->builtin_unsigned_int; |
| 1042 | lai->primitive_type_vector [opencl_primitive_type_unsigned_long] |
| 1043 | = builtin->builtin_unsigned_long; |
| 1044 | lai->primitive_type_vector [opencl_primitive_type_half] |
| 1045 | = builtin->builtin_half; |
| 1046 | lai->primitive_type_vector [opencl_primitive_type_size_t] |
| 1047 | = builtin->builtin_size_t; |
| 1048 | lai->primitive_type_vector [opencl_primitive_type_ptrdiff_t] |
| 1049 | = builtin->builtin_ptrdiff_t; |
| 1050 | lai->primitive_type_vector [opencl_primitive_type_intptr_t] |
| 1051 | = builtin->builtin_intptr_t; |
| 1052 | lai->primitive_type_vector [opencl_primitive_type_uintptr_t] |
| 1053 | = builtin->builtin_uintptr_t; |
| 1054 | lai->primitive_type_vector [opencl_primitive_type_void] |
| 1055 | = builtin->builtin_void; |
| 1056 | |
| 1057 | /* Specifies the return type of logical and relational operations. */ |
| 1058 | lai->bool_type_symbol = "int"; |
| 1059 | lai->bool_type_default = builtin->builtin_int; |
| 1060 | } |
| 1061 | |
| 1062 | const struct exp_descriptor exp_descriptor_opencl = |
| 1063 | { |
| 1064 | print_subexp_standard, |
| 1065 | operator_length_standard, |
| 1066 | operator_check_standard, |
| 1067 | op_name_standard, |
| 1068 | dump_subexp_body_standard, |
| 1069 | evaluate_subexp_opencl |
| 1070 | }; |
| 1071 | |
| 1072 | const struct language_defn opencl_language_defn = |
| 1073 | { |
| 1074 | "opencl", /* Language name */ |
| 1075 | language_opencl, |
| 1076 | range_check_off, |
| 1077 | type_check_off, |
| 1078 | case_sensitive_on, |
| 1079 | array_row_major, |
| 1080 | macro_expansion_c, |
| 1081 | &exp_descriptor_opencl, |
| 1082 | c_parse, |
| 1083 | c_error, |
| 1084 | null_post_parser, |
| 1085 | c_printchar, /* Print a character constant */ |
| 1086 | c_printstr, /* Function to print string constant */ |
| 1087 | c_emit_char, /* Print a single char */ |
| 1088 | c_print_type, /* Print a type using appropriate syntax */ |
| 1089 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
| 1090 | c_val_print, /* Print a value using appropriate syntax */ |
| 1091 | c_value_print, /* Print a top-level value */ |
| 1092 | NULL, /* Language specific skip_trampoline */ |
| 1093 | NULL, /* name_of_this */ |
| 1094 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
| 1095 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
| 1096 | NULL, /* Language specific symbol demangler */ |
| 1097 | NULL, /* Language specific class_name_from_physname */ |
| 1098 | c_op_print_tab, /* expression operators for printing */ |
| 1099 | 1, /* c-style arrays */ |
| 1100 | 0, /* String lower bound */ |
| 1101 | default_word_break_characters, |
| 1102 | default_make_symbol_completion_list, |
| 1103 | opencl_language_arch_info, |
| 1104 | default_print_array_index, |
| 1105 | default_pass_by_reference, |
| 1106 | c_get_string, |
| 1107 | LANG_MAGIC |
| 1108 | }; |
| 1109 | |
| 1110 | static void * |
| 1111 | build_opencl_types (struct gdbarch *gdbarch) |
| 1112 | { |
| 1113 | struct builtin_opencl_type *builtin_opencl_type |
| 1114 | = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_opencl_type); |
| 1115 | |
| 1116 | /* Helper macro to create strings. */ |
| 1117 | #define STRINGIFY(S) #S |
| 1118 | /* This macro allocates and assigns the type struct pointers |
| 1119 | for the vector types. */ |
| 1120 | #define BUILD_OCL_VTYPES(TYPE)\ |
| 1121 | builtin_opencl_type->builtin_##TYPE##2\ |
| 1122 | = init_vector_type (builtin_opencl_type->builtin_##TYPE, 2);\ |
| 1123 | TYPE_NAME (builtin_opencl_type->builtin_##TYPE##2) = STRINGIFY(TYPE ## 2);\ |
| 1124 | builtin_opencl_type->builtin_##TYPE##3\ |
| 1125 | = init_vector_type (builtin_opencl_type->builtin_##TYPE, 3);\ |
| 1126 | TYPE_NAME (builtin_opencl_type->builtin_##TYPE##3) = STRINGIFY(TYPE ## 3);\ |
| 1127 | TYPE_LENGTH (builtin_opencl_type->builtin_##TYPE##3)\ |
| 1128 | = 4 * TYPE_LENGTH (builtin_opencl_type->builtin_##TYPE);\ |
| 1129 | builtin_opencl_type->builtin_##TYPE##4\ |
| 1130 | = init_vector_type (builtin_opencl_type->builtin_##TYPE, 4);\ |
| 1131 | TYPE_NAME (builtin_opencl_type->builtin_##TYPE##4) = STRINGIFY(TYPE ## 4);\ |
| 1132 | builtin_opencl_type->builtin_##TYPE##8\ |
| 1133 | = init_vector_type (builtin_opencl_type->builtin_##TYPE, 8);\ |
| 1134 | TYPE_NAME (builtin_opencl_type->builtin_##TYPE##8) = STRINGIFY(TYPE ## 8);\ |
| 1135 | builtin_opencl_type->builtin_##TYPE##16\ |
| 1136 | = init_vector_type (builtin_opencl_type->builtin_##TYPE, 16);\ |
| 1137 | TYPE_NAME (builtin_opencl_type->builtin_##TYPE##16) = STRINGIFY(TYPE ## 16) |
| 1138 | |
| 1139 | builtin_opencl_type->builtin_char |
| 1140 | = arch_integer_type (gdbarch, 8, 0, "char"); |
| 1141 | BUILD_OCL_VTYPES (char); |
| 1142 | builtin_opencl_type->builtin_uchar |
| 1143 | = arch_integer_type (gdbarch, 8, 1, "uchar"); |
| 1144 | BUILD_OCL_VTYPES (uchar); |
| 1145 | builtin_opencl_type->builtin_short |
| 1146 | = arch_integer_type (gdbarch, 16, 0, "short"); |
| 1147 | BUILD_OCL_VTYPES (short); |
| 1148 | builtin_opencl_type->builtin_ushort |
| 1149 | = arch_integer_type (gdbarch, 16, 1, "ushort"); |
| 1150 | BUILD_OCL_VTYPES (ushort); |
| 1151 | builtin_opencl_type->builtin_int |
| 1152 | = arch_integer_type (gdbarch, 32, 0, "int"); |
| 1153 | BUILD_OCL_VTYPES (int); |
| 1154 | builtin_opencl_type->builtin_uint |
| 1155 | = arch_integer_type (gdbarch, 32, 1, "uint"); |
| 1156 | BUILD_OCL_VTYPES (uint); |
| 1157 | builtin_opencl_type->builtin_long |
| 1158 | = arch_integer_type (gdbarch, 64, 0, "long"); |
| 1159 | BUILD_OCL_VTYPES (long); |
| 1160 | builtin_opencl_type->builtin_ulong |
| 1161 | = arch_integer_type (gdbarch, 64, 1, "ulong"); |
| 1162 | BUILD_OCL_VTYPES (ulong); |
| 1163 | builtin_opencl_type->builtin_half |
| 1164 | = arch_float_type (gdbarch, 16, "half", floatformats_ieee_half); |
| 1165 | BUILD_OCL_VTYPES (half); |
| 1166 | builtin_opencl_type->builtin_float |
| 1167 | = arch_float_type (gdbarch, 32, "float", floatformats_ieee_single); |
| 1168 | BUILD_OCL_VTYPES (float); |
| 1169 | builtin_opencl_type->builtin_double |
| 1170 | = arch_float_type (gdbarch, 64, "double", floatformats_ieee_double); |
| 1171 | BUILD_OCL_VTYPES (double); |
| 1172 | builtin_opencl_type->builtin_bool |
| 1173 | = arch_boolean_type (gdbarch, 32, 1, "bool"); |
| 1174 | builtin_opencl_type->builtin_unsigned_char |
| 1175 | = arch_integer_type (gdbarch, 8, 1, "unsigned char"); |
| 1176 | builtin_opencl_type->builtin_unsigned_short |
| 1177 | = arch_integer_type (gdbarch, 16, 1, "unsigned short"); |
| 1178 | builtin_opencl_type->builtin_unsigned_int |
| 1179 | = arch_integer_type (gdbarch, 32, 1, "unsigned int"); |
| 1180 | builtin_opencl_type->builtin_unsigned_long |
| 1181 | = arch_integer_type (gdbarch, 64, 1, "unsigned long"); |
| 1182 | builtin_opencl_type->builtin_size_t |
| 1183 | = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 1, "size_t"); |
| 1184 | builtin_opencl_type->builtin_ptrdiff_t |
| 1185 | = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 0, "ptrdiff_t"); |
| 1186 | builtin_opencl_type->builtin_intptr_t |
| 1187 | = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 0, "intptr_t"); |
| 1188 | builtin_opencl_type->builtin_uintptr_t |
| 1189 | = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 1, "uintptr_t"); |
| 1190 | builtin_opencl_type->builtin_void |
| 1191 | = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void"); |
| 1192 | |
| 1193 | return builtin_opencl_type; |
| 1194 | } |
| 1195 | |
| 1196 | void |
| 1197 | _initialize_opencl_language (void) |
| 1198 | { |
| 1199 | opencl_type_data = gdbarch_data_register_post_init (build_opencl_types); |
| 1200 | add_language (&opencl_language_defn); |
| 1201 | } |