| 1 | /* OpenCL language support for GDB, the GNU debugger. |
| 2 | Copyright (C) 2010-2015 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 "gdbtypes.h" |
| 23 | #include "symtab.h" |
| 24 | #include "expression.h" |
| 25 | #include "parser-defs.h" |
| 26 | #include "language.h" |
| 27 | #include "varobj.h" |
| 28 | #include "c-lang.h" |
| 29 | |
| 30 | extern void _initialize_opencl_language (void); |
| 31 | |
| 32 | /* This macro generates enum values from a given type. */ |
| 33 | |
| 34 | #define OCL_P_TYPE(TYPE)\ |
| 35 | opencl_primitive_type_##TYPE,\ |
| 36 | opencl_primitive_type_##TYPE##2,\ |
| 37 | opencl_primitive_type_##TYPE##3,\ |
| 38 | opencl_primitive_type_##TYPE##4,\ |
| 39 | opencl_primitive_type_##TYPE##8,\ |
| 40 | opencl_primitive_type_##TYPE##16 |
| 41 | |
| 42 | enum opencl_primitive_types { |
| 43 | OCL_P_TYPE (char), |
| 44 | OCL_P_TYPE (uchar), |
| 45 | OCL_P_TYPE (short), |
| 46 | OCL_P_TYPE (ushort), |
| 47 | OCL_P_TYPE (int), |
| 48 | OCL_P_TYPE (uint), |
| 49 | OCL_P_TYPE (long), |
| 50 | OCL_P_TYPE (ulong), |
| 51 | OCL_P_TYPE (half), |
| 52 | OCL_P_TYPE (float), |
| 53 | OCL_P_TYPE (double), |
| 54 | opencl_primitive_type_bool, |
| 55 | opencl_primitive_type_unsigned_char, |
| 56 | opencl_primitive_type_unsigned_short, |
| 57 | opencl_primitive_type_unsigned_int, |
| 58 | opencl_primitive_type_unsigned_long, |
| 59 | opencl_primitive_type_size_t, |
| 60 | opencl_primitive_type_ptrdiff_t, |
| 61 | opencl_primitive_type_intptr_t, |
| 62 | opencl_primitive_type_uintptr_t, |
| 63 | opencl_primitive_type_void, |
| 64 | nr_opencl_primitive_types |
| 65 | }; |
| 66 | |
| 67 | static struct gdbarch_data *opencl_type_data; |
| 68 | |
| 69 | static struct type ** |
| 70 | builtin_opencl_type (struct gdbarch *gdbarch) |
| 71 | { |
| 72 | return (struct type **) gdbarch_data (gdbarch, opencl_type_data); |
| 73 | } |
| 74 | |
| 75 | /* Returns the corresponding OpenCL vector type from the given type code, |
| 76 | the length of the element type, the unsigned flag and the amount of |
| 77 | elements (N). */ |
| 78 | |
| 79 | static struct type * |
| 80 | lookup_opencl_vector_type (struct gdbarch *gdbarch, enum type_code code, |
| 81 | unsigned int el_length, unsigned int flag_unsigned, |
| 82 | int n) |
| 83 | { |
| 84 | int i; |
| 85 | unsigned int length; |
| 86 | struct type *type = NULL; |
| 87 | struct type **types = builtin_opencl_type (gdbarch); |
| 88 | |
| 89 | /* Check if n describes a valid OpenCL vector size (2, 3, 4, 8, 16). */ |
| 90 | if (n != 2 && n != 3 && n != 4 && n != 8 && n != 16) |
| 91 | error (_("Invalid OpenCL vector size: %d"), n); |
| 92 | |
| 93 | /* Triple vectors have the size of a quad vector. */ |
| 94 | length = (n == 3) ? el_length * 4 : el_length * n; |
| 95 | |
| 96 | for (i = 0; i < nr_opencl_primitive_types; i++) |
| 97 | { |
| 98 | LONGEST lowb, highb; |
| 99 | |
| 100 | if (TYPE_CODE (types[i]) == TYPE_CODE_ARRAY && TYPE_VECTOR (types[i]) |
| 101 | && get_array_bounds (types[i], &lowb, &highb) |
| 102 | && TYPE_CODE (TYPE_TARGET_TYPE (types[i])) == code |
| 103 | && TYPE_UNSIGNED (TYPE_TARGET_TYPE (types[i])) == flag_unsigned |
| 104 | && TYPE_LENGTH (TYPE_TARGET_TYPE (types[i])) == el_length |
| 105 | && TYPE_LENGTH (types[i]) == length |
| 106 | && highb - lowb + 1 == n) |
| 107 | { |
| 108 | type = types[i]; |
| 109 | break; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | return type; |
| 114 | } |
| 115 | |
| 116 | /* Returns nonzero if the array ARR contains duplicates within |
| 117 | the first N elements. */ |
| 118 | |
| 119 | static int |
| 120 | array_has_dups (int *arr, int n) |
| 121 | { |
| 122 | int i, j; |
| 123 | |
| 124 | for (i = 0; i < n; i++) |
| 125 | { |
| 126 | for (j = i + 1; j < n; j++) |
| 127 | { |
| 128 | if (arr[i] == arr[j]) |
| 129 | return 1; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | /* The OpenCL component access syntax allows to create lvalues referring to |
| 137 | selected elements of an original OpenCL vector in arbitrary order. This |
| 138 | structure holds the information to describe such lvalues. */ |
| 139 | |
| 140 | struct lval_closure |
| 141 | { |
| 142 | /* Reference count. */ |
| 143 | int refc; |
| 144 | /* The number of indices. */ |
| 145 | int n; |
| 146 | /* The element indices themselves. */ |
| 147 | int *indices; |
| 148 | /* A pointer to the original value. */ |
| 149 | struct value *val; |
| 150 | }; |
| 151 | |
| 152 | /* Allocates an instance of struct lval_closure. */ |
| 153 | |
| 154 | static struct lval_closure * |
| 155 | allocate_lval_closure (int *indices, int n, struct value *val) |
| 156 | { |
| 157 | struct lval_closure *c = XCNEW (struct lval_closure); |
| 158 | |
| 159 | c->refc = 1; |
| 160 | c->n = n; |
| 161 | c->indices = XCNEWVEC (int, n); |
| 162 | memcpy (c->indices, indices, n * sizeof (int)); |
| 163 | value_incref (val); /* Increment the reference counter of the value. */ |
| 164 | c->val = val; |
| 165 | |
| 166 | return c; |
| 167 | } |
| 168 | |
| 169 | static void |
| 170 | lval_func_read (struct value *v) |
| 171 | { |
| 172 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 173 | struct type *type = check_typedef (value_type (v)); |
| 174 | struct type *eltype = TYPE_TARGET_TYPE (check_typedef (value_type (c->val))); |
| 175 | int offset = value_offset (v); |
| 176 | int elsize = TYPE_LENGTH (eltype); |
| 177 | int n, i, j = 0; |
| 178 | LONGEST lowb = 0; |
| 179 | LONGEST highb = 0; |
| 180 | |
| 181 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY |
| 182 | && !get_array_bounds (type, &lowb, &highb)) |
| 183 | error (_("Could not determine the vector bounds")); |
| 184 | |
| 185 | /* Assume elsize aligned offset. */ |
| 186 | gdb_assert (offset % elsize == 0); |
| 187 | offset /= elsize; |
| 188 | n = offset + highb - lowb + 1; |
| 189 | gdb_assert (n <= c->n); |
| 190 | |
| 191 | for (i = offset; i < n; i++) |
| 192 | memcpy (value_contents_raw (v) + j++ * elsize, |
| 193 | value_contents (c->val) + c->indices[i] * elsize, |
| 194 | elsize); |
| 195 | } |
| 196 | |
| 197 | static void |
| 198 | lval_func_write (struct value *v, struct value *fromval) |
| 199 | { |
| 200 | struct value *mark = value_mark (); |
| 201 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 202 | struct type *type = check_typedef (value_type (v)); |
| 203 | struct type *eltype = TYPE_TARGET_TYPE (check_typedef (value_type (c->val))); |
| 204 | int offset = value_offset (v); |
| 205 | int elsize = TYPE_LENGTH (eltype); |
| 206 | int n, i, j = 0; |
| 207 | LONGEST lowb = 0; |
| 208 | LONGEST highb = 0; |
| 209 | |
| 210 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY |
| 211 | && !get_array_bounds (type, &lowb, &highb)) |
| 212 | error (_("Could not determine the vector bounds")); |
| 213 | |
| 214 | /* Assume elsize aligned offset. */ |
| 215 | gdb_assert (offset % elsize == 0); |
| 216 | offset /= elsize; |
| 217 | n = offset + highb - lowb + 1; |
| 218 | |
| 219 | /* Since accesses to the fourth component of a triple vector is undefined we |
| 220 | just skip writes to the fourth element. Imagine something like this: |
| 221 | int3 i3 = (int3)(0, 1, 2); |
| 222 | i3.hi.hi = 5; |
| 223 | In this case n would be 4 (offset=12/4 + 1) while c->n would be 3. */ |
| 224 | if (n > c->n) |
| 225 | n = c->n; |
| 226 | |
| 227 | for (i = offset; i < n; i++) |
| 228 | { |
| 229 | struct value *from_elm_val = allocate_value (eltype); |
| 230 | struct value *to_elm_val = value_subscript (c->val, c->indices[i]); |
| 231 | |
| 232 | memcpy (value_contents_writeable (from_elm_val), |
| 233 | value_contents (fromval) + j++ * elsize, |
| 234 | elsize); |
| 235 | value_assign (to_elm_val, from_elm_val); |
| 236 | } |
| 237 | |
| 238 | value_free_to_mark (mark); |
| 239 | } |
| 240 | |
| 241 | /* Return nonzero if bits in V from OFFSET and LENGTH represent a |
| 242 | synthetic pointer. */ |
| 243 | |
| 244 | static int |
| 245 | lval_func_check_synthetic_pointer (const struct value *v, |
| 246 | int offset, int length) |
| 247 | { |
| 248 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 249 | /* Size of the target type in bits. */ |
| 250 | int elsize = |
| 251 | TYPE_LENGTH (TYPE_TARGET_TYPE (check_typedef (value_type (c->val)))) * 8; |
| 252 | int startrest = offset % elsize; |
| 253 | int start = offset / elsize; |
| 254 | int endrest = (offset + length) % elsize; |
| 255 | int end = (offset + length) / elsize; |
| 256 | int i; |
| 257 | |
| 258 | if (endrest) |
| 259 | end++; |
| 260 | |
| 261 | if (end > c->n) |
| 262 | return 0; |
| 263 | |
| 264 | for (i = start; i < end; i++) |
| 265 | { |
| 266 | int comp_offset = (i == start) ? startrest : 0; |
| 267 | int comp_length = (i == end) ? endrest : elsize; |
| 268 | |
| 269 | if (!value_bits_synthetic_pointer (c->val, |
| 270 | c->indices[i] * elsize + comp_offset, |
| 271 | comp_length)) |
| 272 | return 0; |
| 273 | } |
| 274 | |
| 275 | return 1; |
| 276 | } |
| 277 | |
| 278 | static void * |
| 279 | lval_func_copy_closure (const struct value *v) |
| 280 | { |
| 281 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 282 | |
| 283 | ++c->refc; |
| 284 | |
| 285 | return c; |
| 286 | } |
| 287 | |
| 288 | static void |
| 289 | lval_func_free_closure (struct value *v) |
| 290 | { |
| 291 | struct lval_closure *c = (struct lval_closure *) value_computed_closure (v); |
| 292 | |
| 293 | --c->refc; |
| 294 | |
| 295 | if (c->refc == 0) |
| 296 | { |
| 297 | value_free (c->val); /* Decrement the reference counter of the value. */ |
| 298 | xfree (c->indices); |
| 299 | xfree (c); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | static const struct lval_funcs opencl_value_funcs = |
| 304 | { |
| 305 | lval_func_read, |
| 306 | lval_func_write, |
| 307 | NULL, /* indirect */ |
| 308 | NULL, /* coerce_ref */ |
| 309 | lval_func_check_synthetic_pointer, |
| 310 | lval_func_copy_closure, |
| 311 | lval_func_free_closure |
| 312 | }; |
| 313 | |
| 314 | /* Creates a sub-vector from VAL. The elements are selected by the indices of |
| 315 | an array with the length of N. Supported values for NOSIDE are |
| 316 | EVAL_NORMAL and EVAL_AVOID_SIDE_EFFECTS. */ |
| 317 | |
| 318 | static struct value * |
| 319 | create_value (struct gdbarch *gdbarch, struct value *val, enum noside noside, |
| 320 | int *indices, int n) |
| 321 | { |
| 322 | struct type *type = check_typedef (value_type (val)); |
| 323 | struct type *elm_type = TYPE_TARGET_TYPE (type); |
| 324 | struct value *ret; |
| 325 | |
| 326 | /* Check if a single component of a vector is requested which means |
| 327 | the resulting type is a (primitive) scalar type. */ |
| 328 | if (n == 1) |
| 329 | { |
| 330 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
| 331 | ret = value_zero (elm_type, not_lval); |
| 332 | else |
| 333 | ret = value_subscript (val, indices[0]); |
| 334 | } |
| 335 | else |
| 336 | { |
| 337 | /* Multiple components of the vector are requested which means the |
| 338 | resulting type is a vector as well. */ |
| 339 | struct type *dst_type = |
| 340 | lookup_opencl_vector_type (gdbarch, TYPE_CODE (elm_type), |
| 341 | TYPE_LENGTH (elm_type), |
| 342 | TYPE_UNSIGNED (elm_type), n); |
| 343 | |
| 344 | if (dst_type == NULL) |
| 345 | dst_type = init_vector_type (elm_type, n); |
| 346 | |
| 347 | make_cv_type (TYPE_CONST (type), TYPE_VOLATILE (type), dst_type, NULL); |
| 348 | |
| 349 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
| 350 | ret = allocate_value (dst_type); |
| 351 | else |
| 352 | { |
| 353 | /* Check whether to create a lvalue or not. */ |
| 354 | if (VALUE_LVAL (val) != not_lval && !array_has_dups (indices, n)) |
| 355 | { |
| 356 | struct lval_closure *c = allocate_lval_closure (indices, n, val); |
| 357 | ret = allocate_computed_value (dst_type, &opencl_value_funcs, c); |
| 358 | } |
| 359 | else |
| 360 | { |
| 361 | int i; |
| 362 | |
| 363 | ret = allocate_value (dst_type); |
| 364 | |
| 365 | /* Copy src val contents into the destination value. */ |
| 366 | for (i = 0; i < n; i++) |
| 367 | memcpy (value_contents_writeable (ret) |
| 368 | + (i * TYPE_LENGTH (elm_type)), |
| 369 | value_contents (val) |
| 370 | + (indices[i] * TYPE_LENGTH (elm_type)), |
| 371 | TYPE_LENGTH (elm_type)); |
| 372 | } |
| 373 | } |
| 374 | } |
| 375 | return ret; |
| 376 | } |
| 377 | |
| 378 | /* OpenCL vector component access. */ |
| 379 | |
| 380 | static struct value * |
| 381 | opencl_component_ref (struct expression *exp, struct value *val, char *comps, |
| 382 | enum noside noside) |
| 383 | { |
| 384 | LONGEST lowb, highb; |
| 385 | int src_len; |
| 386 | struct value *v; |
| 387 | int indices[16], i; |
| 388 | int dst_len; |
| 389 | |
| 390 | if (!get_array_bounds (check_typedef (value_type (val)), &lowb, &highb)) |
| 391 | error (_("Could not determine the vector bounds")); |
| 392 | |
| 393 | src_len = highb - lowb + 1; |
| 394 | |
| 395 | /* Throw an error if the amount of array elements does not fit a |
| 396 | valid OpenCL vector size (2, 3, 4, 8, 16). */ |
| 397 | if (src_len != 2 && src_len != 3 && src_len != 4 && src_len != 8 |
| 398 | && src_len != 16) |
| 399 | error (_("Invalid OpenCL vector size")); |
| 400 | |
| 401 | if (strcmp (comps, "lo") == 0 ) |
| 402 | { |
| 403 | dst_len = (src_len == 3) ? 2 : src_len / 2; |
| 404 | |
| 405 | for (i = 0; i < dst_len; i++) |
| 406 | indices[i] = i; |
| 407 | } |
| 408 | else if (strcmp (comps, "hi") == 0) |
| 409 | { |
| 410 | dst_len = (src_len == 3) ? 2 : src_len / 2; |
| 411 | |
| 412 | for (i = 0; i < dst_len; i++) |
| 413 | indices[i] = dst_len + i; |
| 414 | } |
| 415 | else if (strcmp (comps, "even") == 0) |
| 416 | { |
| 417 | dst_len = (src_len == 3) ? 2 : src_len / 2; |
| 418 | |
| 419 | for (i = 0; i < dst_len; i++) |
| 420 | indices[i] = i*2; |
| 421 | } |
| 422 | else if (strcmp (comps, "odd") == 0) |
| 423 | { |
| 424 | dst_len = (src_len == 3) ? 2 : src_len / 2; |
| 425 | |
| 426 | for (i = 0; i < dst_len; i++) |
| 427 | indices[i] = i*2+1; |
| 428 | } |
| 429 | else if (strncasecmp (comps, "s", 1) == 0) |
| 430 | { |
| 431 | #define HEXCHAR_TO_INT(C) ((C >= '0' && C <= '9') ? \ |
| 432 | C-'0' : ((C >= 'A' && C <= 'F') ? \ |
| 433 | C-'A'+10 : ((C >= 'a' && C <= 'f') ? \ |
| 434 | C-'a'+10 : -1))) |
| 435 | |
| 436 | dst_len = strlen (comps); |
| 437 | /* Skip the s/S-prefix. */ |
| 438 | dst_len--; |
| 439 | |
| 440 | for (i = 0; i < dst_len; i++) |
| 441 | { |
| 442 | indices[i] = HEXCHAR_TO_INT(comps[i+1]); |
| 443 | /* Check if the requested component is invalid or exceeds |
| 444 | the vector. */ |
| 445 | if (indices[i] < 0 || indices[i] >= src_len) |
| 446 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 447 | } |
| 448 | } |
| 449 | else |
| 450 | { |
| 451 | dst_len = strlen (comps); |
| 452 | |
| 453 | for (i = 0; i < dst_len; i++) |
| 454 | { |
| 455 | /* x, y, z, w */ |
| 456 | switch (comps[i]) |
| 457 | { |
| 458 | case 'x': |
| 459 | indices[i] = 0; |
| 460 | break; |
| 461 | case 'y': |
| 462 | indices[i] = 1; |
| 463 | break; |
| 464 | case 'z': |
| 465 | if (src_len < 3) |
| 466 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 467 | indices[i] = 2; |
| 468 | break; |
| 469 | case 'w': |
| 470 | if (src_len < 4) |
| 471 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 472 | indices[i] = 3; |
| 473 | break; |
| 474 | default: |
| 475 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 476 | break; |
| 477 | } |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | /* Throw an error if the amount of requested components does not |
| 482 | result in a valid length (1, 2, 3, 4, 8, 16). */ |
| 483 | if (dst_len != 1 && dst_len != 2 && dst_len != 3 && dst_len != 4 |
| 484 | && dst_len != 8 && dst_len != 16) |
| 485 | error (_("Invalid OpenCL vector component accessor %s"), comps); |
| 486 | |
| 487 | v = create_value (exp->gdbarch, val, noside, indices, dst_len); |
| 488 | |
| 489 | return v; |
| 490 | } |
| 491 | |
| 492 | /* Perform the unary logical not (!) operation. */ |
| 493 | |
| 494 | static struct value * |
| 495 | opencl_logical_not (struct expression *exp, struct value *arg) |
| 496 | { |
| 497 | struct type *type = check_typedef (value_type (arg)); |
| 498 | struct type *rettype; |
| 499 | struct value *ret; |
| 500 | |
| 501 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type)) |
| 502 | { |
| 503 | struct type *eltype = check_typedef (TYPE_TARGET_TYPE (type)); |
| 504 | LONGEST lowb, highb; |
| 505 | int i; |
| 506 | |
| 507 | if (!get_array_bounds (type, &lowb, &highb)) |
| 508 | error (_("Could not determine the vector bounds")); |
| 509 | |
| 510 | /* Determine the resulting type of the operation and allocate the |
| 511 | value. */ |
| 512 | rettype = lookup_opencl_vector_type (exp->gdbarch, TYPE_CODE_INT, |
| 513 | TYPE_LENGTH (eltype), 0, |
| 514 | highb - lowb + 1); |
| 515 | ret = allocate_value (rettype); |
| 516 | |
| 517 | for (i = 0; i < highb - lowb + 1; i++) |
| 518 | { |
| 519 | /* For vector types, the unary operator shall return a 0 if the |
| 520 | value of its operand compares unequal to 0, and -1 (i.e. all bits |
| 521 | set) if the value of its operand compares equal to 0. */ |
| 522 | int tmp = value_logical_not (value_subscript (arg, i)) ? -1 : 0; |
| 523 | memset (value_contents_writeable (ret) + i * TYPE_LENGTH (eltype), |
| 524 | tmp, TYPE_LENGTH (eltype)); |
| 525 | } |
| 526 | } |
| 527 | else |
| 528 | { |
| 529 | rettype = language_bool_type (exp->language_defn, exp->gdbarch); |
| 530 | ret = value_from_longest (rettype, value_logical_not (arg)); |
| 531 | } |
| 532 | |
| 533 | return ret; |
| 534 | } |
| 535 | |
| 536 | /* Perform a relational operation on two scalar operands. */ |
| 537 | |
| 538 | static int |
| 539 | scalar_relop (struct value *val1, struct value *val2, enum exp_opcode op) |
| 540 | { |
| 541 | int ret; |
| 542 | |
| 543 | switch (op) |
| 544 | { |
| 545 | case BINOP_EQUAL: |
| 546 | ret = value_equal (val1, val2); |
| 547 | break; |
| 548 | case BINOP_NOTEQUAL: |
| 549 | ret = !value_equal (val1, val2); |
| 550 | break; |
| 551 | case BINOP_LESS: |
| 552 | ret = value_less (val1, val2); |
| 553 | break; |
| 554 | case BINOP_GTR: |
| 555 | ret = value_less (val2, val1); |
| 556 | break; |
| 557 | case BINOP_GEQ: |
| 558 | ret = value_less (val2, val1) || value_equal (val1, val2); |
| 559 | break; |
| 560 | case BINOP_LEQ: |
| 561 | ret = value_less (val1, val2) || value_equal (val1, val2); |
| 562 | break; |
| 563 | case BINOP_LOGICAL_AND: |
| 564 | ret = !value_logical_not (val1) && !value_logical_not (val2); |
| 565 | break; |
| 566 | case BINOP_LOGICAL_OR: |
| 567 | ret = !value_logical_not (val1) || !value_logical_not (val2); |
| 568 | break; |
| 569 | default: |
| 570 | error (_("Attempt to perform an unsupported operation")); |
| 571 | break; |
| 572 | } |
| 573 | return ret; |
| 574 | } |
| 575 | |
| 576 | /* Perform a relational operation on two vector operands. */ |
| 577 | |
| 578 | static struct value * |
| 579 | vector_relop (struct expression *exp, struct value *val1, struct value *val2, |
| 580 | enum exp_opcode op) |
| 581 | { |
| 582 | struct value *ret; |
| 583 | struct type *type1, *type2, *eltype1, *eltype2, *rettype; |
| 584 | int t1_is_vec, t2_is_vec, i; |
| 585 | LONGEST lowb1, lowb2, highb1, highb2; |
| 586 | |
| 587 | type1 = check_typedef (value_type (val1)); |
| 588 | type2 = check_typedef (value_type (val2)); |
| 589 | |
| 590 | t1_is_vec = (TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1)); |
| 591 | t2_is_vec = (TYPE_CODE (type2) == TYPE_CODE_ARRAY && TYPE_VECTOR (type2)); |
| 592 | |
| 593 | if (!t1_is_vec || !t2_is_vec) |
| 594 | error (_("Vector operations are not supported on scalar types")); |
| 595 | |
| 596 | eltype1 = check_typedef (TYPE_TARGET_TYPE (type1)); |
| 597 | eltype2 = check_typedef (TYPE_TARGET_TYPE (type2)); |
| 598 | |
| 599 | if (!get_array_bounds (type1,&lowb1, &highb1) |
| 600 | || !get_array_bounds (type2, &lowb2, &highb2)) |
| 601 | error (_("Could not determine the vector bounds")); |
| 602 | |
| 603 | /* Check whether the vector types are compatible. */ |
| 604 | if (TYPE_CODE (eltype1) != TYPE_CODE (eltype2) |
| 605 | || TYPE_LENGTH (eltype1) != TYPE_LENGTH (eltype2) |
| 606 | || TYPE_UNSIGNED (eltype1) != TYPE_UNSIGNED (eltype2) |
| 607 | || lowb1 != lowb2 || highb1 != highb2) |
| 608 | error (_("Cannot perform operation on vectors with different types")); |
| 609 | |
| 610 | /* Determine the resulting type of the operation and allocate the value. */ |
| 611 | rettype = lookup_opencl_vector_type (exp->gdbarch, TYPE_CODE_INT, |
| 612 | TYPE_LENGTH (eltype1), 0, |
| 613 | highb1 - lowb1 + 1); |
| 614 | ret = allocate_value (rettype); |
| 615 | |
| 616 | for (i = 0; i < highb1 - lowb1 + 1; i++) |
| 617 | { |
| 618 | /* For vector types, the relational, equality and logical operators shall |
| 619 | return 0 if the specified relation is false and -1 (i.e. all bits set) |
| 620 | if the specified relation is true. */ |
| 621 | int tmp = scalar_relop (value_subscript (val1, i), |
| 622 | value_subscript (val2, i), op) ? -1 : 0; |
| 623 | memset (value_contents_writeable (ret) + i * TYPE_LENGTH (eltype1), |
| 624 | tmp, TYPE_LENGTH (eltype1)); |
| 625 | } |
| 626 | |
| 627 | return ret; |
| 628 | } |
| 629 | |
| 630 | /* Perform a cast of ARG into TYPE. There's sadly a lot of duplication in |
| 631 | here from valops.c:value_cast, opencl is different only in the |
| 632 | behaviour of scalar to vector casting. As far as possibly we're going |
| 633 | to try and delegate back to the standard value_cast function. */ |
| 634 | |
| 635 | static struct value * |
| 636 | opencl_value_cast (struct type *type, struct value *arg) |
| 637 | { |
| 638 | if (type != value_type (arg)) |
| 639 | { |
| 640 | /* Casting scalar to vector is a special case for OpenCL, scalar |
| 641 | is cast to element type of vector then replicated into each |
| 642 | element of the vector. First though, we need to work out if |
| 643 | this is a scalar to vector cast; code lifted from |
| 644 | valops.c:value_cast. */ |
| 645 | enum type_code code1, code2; |
| 646 | struct type *to_type; |
| 647 | int scalar; |
| 648 | |
| 649 | to_type = check_typedef (type); |
| 650 | |
| 651 | code1 = TYPE_CODE (to_type); |
| 652 | code2 = TYPE_CODE (check_typedef (value_type (arg))); |
| 653 | |
| 654 | if (code2 == TYPE_CODE_REF) |
| 655 | code2 = TYPE_CODE (check_typedef (value_type (coerce_ref (arg)))); |
| 656 | |
| 657 | scalar = (code2 == TYPE_CODE_INT || code2 == TYPE_CODE_BOOL |
| 658 | || code2 == TYPE_CODE_CHAR || code2 == TYPE_CODE_FLT |
| 659 | || code2 == TYPE_CODE_DECFLOAT || code2 == TYPE_CODE_ENUM |
| 660 | || code2 == TYPE_CODE_RANGE); |
| 661 | |
| 662 | if (code1 == TYPE_CODE_ARRAY && TYPE_VECTOR (to_type) && scalar) |
| 663 | { |
| 664 | struct type *eltype; |
| 665 | |
| 666 | /* Cast to the element type of the vector here as |
| 667 | value_vector_widen will error if the scalar value is |
| 668 | truncated by the cast. To avoid the error, cast (and |
| 669 | possibly truncate) here. */ |
| 670 | eltype = check_typedef (TYPE_TARGET_TYPE (to_type)); |
| 671 | arg = value_cast (eltype, arg); |
| 672 | |
| 673 | return value_vector_widen (arg, type); |
| 674 | } |
| 675 | else |
| 676 | /* Standard cast handler. */ |
| 677 | arg = value_cast (type, arg); |
| 678 | } |
| 679 | return arg; |
| 680 | } |
| 681 | |
| 682 | /* Perform a relational operation on two operands. */ |
| 683 | |
| 684 | static struct value * |
| 685 | opencl_relop (struct expression *exp, struct value *arg1, struct value *arg2, |
| 686 | enum exp_opcode op) |
| 687 | { |
| 688 | struct value *val; |
| 689 | struct type *type1 = check_typedef (value_type (arg1)); |
| 690 | struct type *type2 = check_typedef (value_type (arg2)); |
| 691 | int t1_is_vec = (TYPE_CODE (type1) == TYPE_CODE_ARRAY |
| 692 | && TYPE_VECTOR (type1)); |
| 693 | int t2_is_vec = (TYPE_CODE (type2) == TYPE_CODE_ARRAY |
| 694 | && TYPE_VECTOR (type2)); |
| 695 | |
| 696 | if (!t1_is_vec && !t2_is_vec) |
| 697 | { |
| 698 | int tmp = scalar_relop (arg1, arg2, op); |
| 699 | struct type *type = |
| 700 | language_bool_type (exp->language_defn, exp->gdbarch); |
| 701 | |
| 702 | val = value_from_longest (type, tmp); |
| 703 | } |
| 704 | else if (t1_is_vec && t2_is_vec) |
| 705 | { |
| 706 | val = vector_relop (exp, arg1, arg2, op); |
| 707 | } |
| 708 | else |
| 709 | { |
| 710 | /* Widen the scalar operand to a vector. */ |
| 711 | struct value **v = t1_is_vec ? &arg2 : &arg1; |
| 712 | struct type *t = t1_is_vec ? type2 : type1; |
| 713 | |
| 714 | if (TYPE_CODE (t) != TYPE_CODE_FLT && !is_integral_type (t)) |
| 715 | error (_("Argument to operation not a number or boolean.")); |
| 716 | |
| 717 | *v = opencl_value_cast (t1_is_vec ? type1 : type2, *v); |
| 718 | val = vector_relop (exp, arg1, arg2, op); |
| 719 | } |
| 720 | |
| 721 | return val; |
| 722 | } |
| 723 | |
| 724 | /* Expression evaluator for the OpenCL. Most operations are delegated to |
| 725 | evaluate_subexp_standard; see that function for a description of the |
| 726 | arguments. */ |
| 727 | |
| 728 | static struct value * |
| 729 | evaluate_subexp_opencl (struct type *expect_type, struct expression *exp, |
| 730 | int *pos, enum noside noside) |
| 731 | { |
| 732 | enum exp_opcode op = exp->elts[*pos].opcode; |
| 733 | struct value *arg1 = NULL; |
| 734 | struct value *arg2 = NULL; |
| 735 | struct type *type1, *type2; |
| 736 | |
| 737 | switch (op) |
| 738 | { |
| 739 | /* Handle assignment and cast operators to support OpenCL-style |
| 740 | scalar-to-vector widening. */ |
| 741 | case BINOP_ASSIGN: |
| 742 | (*pos)++; |
| 743 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 744 | type1 = value_type (arg1); |
| 745 | arg2 = evaluate_subexp (type1, exp, pos, noside); |
| 746 | |
| 747 | if (noside == EVAL_SKIP || noside == EVAL_AVOID_SIDE_EFFECTS) |
| 748 | return arg1; |
| 749 | |
| 750 | if (deprecated_value_modifiable (arg1) |
| 751 | && VALUE_LVAL (arg1) != lval_internalvar) |
| 752 | arg2 = opencl_value_cast (type1, arg2); |
| 753 | |
| 754 | return value_assign (arg1, arg2); |
| 755 | |
| 756 | case UNOP_CAST: |
| 757 | type1 = exp->elts[*pos + 1].type; |
| 758 | (*pos) += 2; |
| 759 | arg1 = evaluate_subexp (type1, exp, pos, noside); |
| 760 | |
| 761 | if (noside == EVAL_SKIP) |
| 762 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 763 | builtin_int, 1); |
| 764 | |
| 765 | return opencl_value_cast (type1, arg1); |
| 766 | |
| 767 | case UNOP_CAST_TYPE: |
| 768 | (*pos)++; |
| 769 | arg1 = evaluate_subexp (NULL, exp, pos, EVAL_AVOID_SIDE_EFFECTS); |
| 770 | type1 = value_type (arg1); |
| 771 | arg1 = evaluate_subexp (type1, exp, pos, noside); |
| 772 | |
| 773 | if (noside == EVAL_SKIP) |
| 774 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 775 | builtin_int, 1); |
| 776 | |
| 777 | return opencl_value_cast (type1, arg1); |
| 778 | |
| 779 | /* Handle binary relational and equality operators that are either not |
| 780 | or differently defined for GNU vectors. */ |
| 781 | case BINOP_EQUAL: |
| 782 | case BINOP_NOTEQUAL: |
| 783 | case BINOP_LESS: |
| 784 | case BINOP_GTR: |
| 785 | case BINOP_GEQ: |
| 786 | case BINOP_LEQ: |
| 787 | (*pos)++; |
| 788 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 789 | arg2 = evaluate_subexp (value_type (arg1), exp, pos, noside); |
| 790 | |
| 791 | if (noside == EVAL_SKIP) |
| 792 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 793 | builtin_int, 1); |
| 794 | |
| 795 | return opencl_relop (exp, arg1, arg2, op); |
| 796 | |
| 797 | /* Handle the logical unary operator not(!). */ |
| 798 | case UNOP_LOGICAL_NOT: |
| 799 | (*pos)++; |
| 800 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 801 | |
| 802 | if (noside == EVAL_SKIP) |
| 803 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 804 | builtin_int, 1); |
| 805 | |
| 806 | return opencl_logical_not (exp, arg1); |
| 807 | |
| 808 | /* Handle the logical operator and(&&) and or(||). */ |
| 809 | case BINOP_LOGICAL_AND: |
| 810 | case BINOP_LOGICAL_OR: |
| 811 | (*pos)++; |
| 812 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 813 | |
| 814 | if (noside == EVAL_SKIP) |
| 815 | { |
| 816 | evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 817 | |
| 818 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 819 | builtin_int, 1); |
| 820 | } |
| 821 | else |
| 822 | { |
| 823 | /* For scalar operations we need to avoid evaluating operands |
| 824 | unecessarily. However, for vector operations we always need to |
| 825 | evaluate both operands. Unfortunately we only know which of the |
| 826 | two cases apply after we know the type of the second operand. |
| 827 | Therefore we evaluate it once using EVAL_AVOID_SIDE_EFFECTS. */ |
| 828 | int oldpos = *pos; |
| 829 | |
| 830 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, |
| 831 | EVAL_AVOID_SIDE_EFFECTS); |
| 832 | *pos = oldpos; |
| 833 | type1 = check_typedef (value_type (arg1)); |
| 834 | type2 = check_typedef (value_type (arg2)); |
| 835 | |
| 836 | if ((TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1)) |
| 837 | || (TYPE_CODE (type2) == TYPE_CODE_ARRAY && TYPE_VECTOR (type2))) |
| 838 | { |
| 839 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 840 | |
| 841 | return opencl_relop (exp, arg1, arg2, op); |
| 842 | } |
| 843 | else |
| 844 | { |
| 845 | /* For scalar built-in types, only evaluate the right |
| 846 | hand operand if the left hand operand compares |
| 847 | unequal(&&)/equal(||) to 0. */ |
| 848 | int res; |
| 849 | int tmp = value_logical_not (arg1); |
| 850 | |
| 851 | if (op == BINOP_LOGICAL_OR) |
| 852 | tmp = !tmp; |
| 853 | |
| 854 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, |
| 855 | tmp ? EVAL_SKIP : noside); |
| 856 | type1 = language_bool_type (exp->language_defn, exp->gdbarch); |
| 857 | |
| 858 | if (op == BINOP_LOGICAL_AND) |
| 859 | res = !tmp && !value_logical_not (arg2); |
| 860 | else /* BINOP_LOGICAL_OR */ |
| 861 | res = tmp || !value_logical_not (arg2); |
| 862 | |
| 863 | return value_from_longest (type1, res); |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | /* Handle the ternary selection operator. */ |
| 868 | case TERNOP_COND: |
| 869 | (*pos)++; |
| 870 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 871 | type1 = check_typedef (value_type (arg1)); |
| 872 | if (TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1)) |
| 873 | { |
| 874 | struct value *arg3, *tmp, *ret; |
| 875 | struct type *eltype2, *type3, *eltype3; |
| 876 | int t2_is_vec, t3_is_vec, i; |
| 877 | LONGEST lowb1, lowb2, lowb3, highb1, highb2, highb3; |
| 878 | |
| 879 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 880 | arg3 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 881 | type2 = check_typedef (value_type (arg2)); |
| 882 | type3 = check_typedef (value_type (arg3)); |
| 883 | t2_is_vec |
| 884 | = TYPE_CODE (type2) == TYPE_CODE_ARRAY && TYPE_VECTOR (type2); |
| 885 | t3_is_vec |
| 886 | = TYPE_CODE (type3) == TYPE_CODE_ARRAY && TYPE_VECTOR (type3); |
| 887 | |
| 888 | /* Widen the scalar operand to a vector if necessary. */ |
| 889 | if (t2_is_vec || !t3_is_vec) |
| 890 | { |
| 891 | arg3 = opencl_value_cast (type2, arg3); |
| 892 | type3 = value_type (arg3); |
| 893 | } |
| 894 | else if (!t2_is_vec || t3_is_vec) |
| 895 | { |
| 896 | arg2 = opencl_value_cast (type3, arg2); |
| 897 | type2 = value_type (arg2); |
| 898 | } |
| 899 | else if (!t2_is_vec || !t3_is_vec) |
| 900 | { |
| 901 | /* Throw an error if arg2 or arg3 aren't vectors. */ |
| 902 | error (_("\ |
| 903 | Cannot perform conditional operation on incompatible types")); |
| 904 | } |
| 905 | |
| 906 | eltype2 = check_typedef (TYPE_TARGET_TYPE (type2)); |
| 907 | eltype3 = check_typedef (TYPE_TARGET_TYPE (type3)); |
| 908 | |
| 909 | if (!get_array_bounds (type1, &lowb1, &highb1) |
| 910 | || !get_array_bounds (type2, &lowb2, &highb2) |
| 911 | || !get_array_bounds (type3, &lowb3, &highb3)) |
| 912 | error (_("Could not determine the vector bounds")); |
| 913 | |
| 914 | /* Throw an error if the types of arg2 or arg3 are incompatible. */ |
| 915 | if (TYPE_CODE (eltype2) != TYPE_CODE (eltype3) |
| 916 | || TYPE_LENGTH (eltype2) != TYPE_LENGTH (eltype3) |
| 917 | || TYPE_UNSIGNED (eltype2) != TYPE_UNSIGNED (eltype3) |
| 918 | || lowb2 != lowb3 || highb2 != highb3) |
| 919 | error (_("\ |
| 920 | Cannot perform operation on vectors with different types")); |
| 921 | |
| 922 | /* Throw an error if the sizes of arg1 and arg2/arg3 differ. */ |
| 923 | if (lowb1 != lowb2 || lowb1 != lowb3 |
| 924 | || highb1 != highb2 || highb1 != highb3) |
| 925 | error (_("\ |
| 926 | Cannot perform conditional operation on vectors with different sizes")); |
| 927 | |
| 928 | ret = allocate_value (type2); |
| 929 | |
| 930 | for (i = 0; i < highb1 - lowb1 + 1; i++) |
| 931 | { |
| 932 | tmp = value_logical_not (value_subscript (arg1, i)) ? |
| 933 | value_subscript (arg3, i) : value_subscript (arg2, i); |
| 934 | memcpy (value_contents_writeable (ret) + |
| 935 | i * TYPE_LENGTH (eltype2), value_contents_all (tmp), |
| 936 | TYPE_LENGTH (eltype2)); |
| 937 | } |
| 938 | |
| 939 | return ret; |
| 940 | } |
| 941 | else |
| 942 | { |
| 943 | if (value_logical_not (arg1)) |
| 944 | { |
| 945 | /* Skip the second operand. */ |
| 946 | evaluate_subexp (NULL_TYPE, exp, pos, EVAL_SKIP); |
| 947 | |
| 948 | return evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 949 | } |
| 950 | else |
| 951 | { |
| 952 | /* Skip the third operand. */ |
| 953 | arg2 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 954 | evaluate_subexp (NULL_TYPE, exp, pos, EVAL_SKIP); |
| 955 | |
| 956 | return arg2; |
| 957 | } |
| 958 | } |
| 959 | |
| 960 | /* Handle STRUCTOP_STRUCT to allow component access on OpenCL vectors. */ |
| 961 | case STRUCTOP_STRUCT: |
| 962 | { |
| 963 | int pc = (*pos)++; |
| 964 | int tem = longest_to_int (exp->elts[pc + 1].longconst); |
| 965 | |
| 966 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); |
| 967 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); |
| 968 | type1 = check_typedef (value_type (arg1)); |
| 969 | |
| 970 | if (noside == EVAL_SKIP) |
| 971 | { |
| 972 | return value_from_longest (builtin_type (exp->gdbarch)-> |
| 973 | builtin_int, 1); |
| 974 | } |
| 975 | else if (TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1)) |
| 976 | { |
| 977 | return opencl_component_ref (exp, arg1, &exp->elts[pc + 2].string, |
| 978 | noside); |
| 979 | } |
| 980 | else |
| 981 | { |
| 982 | struct value *v = value_struct_elt (&arg1, NULL, |
| 983 | &exp->elts[pc + 2].string, NULL, |
| 984 | "structure"); |
| 985 | |
| 986 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
| 987 | v = value_zero (value_type (v), not_lval); |
| 988 | return v; |
| 989 | } |
| 990 | } |
| 991 | default: |
| 992 | break; |
| 993 | } |
| 994 | |
| 995 | return evaluate_subexp_c (expect_type, exp, pos, noside); |
| 996 | } |
| 997 | |
| 998 | /* Print OpenCL types. */ |
| 999 | |
| 1000 | static void |
| 1001 | opencl_print_type (struct type *type, const char *varstring, |
| 1002 | struct ui_file *stream, int show, int level, |
| 1003 | const struct type_print_options *flags) |
| 1004 | { |
| 1005 | /* We nearly always defer to C type printing, except that vector |
| 1006 | types are considered primitive in OpenCL, and should always |
| 1007 | be printed using their TYPE_NAME. */ |
| 1008 | if (show > 0) |
| 1009 | { |
| 1010 | type = check_typedef (type); |
| 1011 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type) |
| 1012 | && TYPE_NAME (type) != NULL) |
| 1013 | show = 0; |
| 1014 | } |
| 1015 | |
| 1016 | c_print_type (type, varstring, stream, show, level, flags); |
| 1017 | } |
| 1018 | |
| 1019 | static void |
| 1020 | opencl_language_arch_info (struct gdbarch *gdbarch, |
| 1021 | struct language_arch_info *lai) |
| 1022 | { |
| 1023 | struct type **types = builtin_opencl_type (gdbarch); |
| 1024 | |
| 1025 | /* Copy primitive types vector from gdbarch. */ |
| 1026 | lai->primitive_type_vector = types; |
| 1027 | |
| 1028 | /* Type of elements of strings. */ |
| 1029 | lai->string_char_type = types [opencl_primitive_type_char]; |
| 1030 | |
| 1031 | /* Specifies the return type of logical and relational operations. */ |
| 1032 | lai->bool_type_symbol = "int"; |
| 1033 | lai->bool_type_default = types [opencl_primitive_type_int]; |
| 1034 | } |
| 1035 | |
| 1036 | const struct exp_descriptor exp_descriptor_opencl = |
| 1037 | { |
| 1038 | print_subexp_standard, |
| 1039 | operator_length_standard, |
| 1040 | operator_check_standard, |
| 1041 | op_name_standard, |
| 1042 | dump_subexp_body_standard, |
| 1043 | evaluate_subexp_opencl |
| 1044 | }; |
| 1045 | |
| 1046 | const struct language_defn opencl_language_defn = |
| 1047 | { |
| 1048 | "opencl", /* Language name */ |
| 1049 | "OpenCL C", |
| 1050 | language_opencl, |
| 1051 | range_check_off, |
| 1052 | case_sensitive_on, |
| 1053 | array_row_major, |
| 1054 | macro_expansion_c, |
| 1055 | &exp_descriptor_opencl, |
| 1056 | c_parse, |
| 1057 | c_error, |
| 1058 | null_post_parser, |
| 1059 | c_printchar, /* Print a character constant */ |
| 1060 | c_printstr, /* Function to print string constant */ |
| 1061 | c_emit_char, /* Print a single char */ |
| 1062 | opencl_print_type, /* Print a type using appropriate syntax */ |
| 1063 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
| 1064 | c_val_print, /* Print a value using appropriate syntax */ |
| 1065 | c_value_print, /* Print a top-level value */ |
| 1066 | default_read_var_value, /* la_read_var_value */ |
| 1067 | NULL, /* Language specific skip_trampoline */ |
| 1068 | NULL, /* name_of_this */ |
| 1069 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
| 1070 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
| 1071 | NULL, /* Language specific symbol demangler */ |
| 1072 | NULL, /* Language specific |
| 1073 | class_name_from_physname */ |
| 1074 | c_op_print_tab, /* expression operators for printing */ |
| 1075 | 1, /* c-style arrays */ |
| 1076 | 0, /* String lower bound */ |
| 1077 | default_word_break_characters, |
| 1078 | default_make_symbol_completion_list, |
| 1079 | opencl_language_arch_info, |
| 1080 | default_print_array_index, |
| 1081 | default_pass_by_reference, |
| 1082 | c_get_string, |
| 1083 | NULL, /* la_get_symbol_name_cmp */ |
| 1084 | iterate_over_symbols, |
| 1085 | &default_varobj_ops, |
| 1086 | NULL, |
| 1087 | NULL, |
| 1088 | LANG_MAGIC |
| 1089 | }; |
| 1090 | |
| 1091 | static void * |
| 1092 | build_opencl_types (struct gdbarch *gdbarch) |
| 1093 | { |
| 1094 | struct type **types |
| 1095 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_opencl_primitive_types + 1, |
| 1096 | struct type *); |
| 1097 | |
| 1098 | /* Helper macro to create strings. */ |
| 1099 | #define OCL_STRING(S) #S |
| 1100 | /* This macro allocates and assigns the type struct pointers |
| 1101 | for the vector types. */ |
| 1102 | #define BUILD_OCL_VTYPES(TYPE)\ |
| 1103 | types[opencl_primitive_type_##TYPE##2] \ |
| 1104 | = init_vector_type (types[opencl_primitive_type_##TYPE], 2); \ |
| 1105 | TYPE_NAME (types[opencl_primitive_type_##TYPE##2]) = OCL_STRING(TYPE ## 2); \ |
| 1106 | types[opencl_primitive_type_##TYPE##3] \ |
| 1107 | = init_vector_type (types[opencl_primitive_type_##TYPE], 3); \ |
| 1108 | TYPE_NAME (types[opencl_primitive_type_##TYPE##3]) = OCL_STRING(TYPE ## 3); \ |
| 1109 | TYPE_LENGTH (types[opencl_primitive_type_##TYPE##3]) \ |
| 1110 | = 4 * TYPE_LENGTH (types[opencl_primitive_type_##TYPE]); \ |
| 1111 | types[opencl_primitive_type_##TYPE##4] \ |
| 1112 | = init_vector_type (types[opencl_primitive_type_##TYPE], 4); \ |
| 1113 | TYPE_NAME (types[opencl_primitive_type_##TYPE##4]) = OCL_STRING(TYPE ## 4); \ |
| 1114 | types[opencl_primitive_type_##TYPE##8] \ |
| 1115 | = init_vector_type (types[opencl_primitive_type_##TYPE], 8); \ |
| 1116 | TYPE_NAME (types[opencl_primitive_type_##TYPE##8]) = OCL_STRING(TYPE ## 8); \ |
| 1117 | types[opencl_primitive_type_##TYPE##16] \ |
| 1118 | = init_vector_type (types[opencl_primitive_type_##TYPE], 16); \ |
| 1119 | TYPE_NAME (types[opencl_primitive_type_##TYPE##16]) = OCL_STRING(TYPE ## 16) |
| 1120 | |
| 1121 | types[opencl_primitive_type_char] |
| 1122 | = arch_integer_type (gdbarch, 8, 0, "char"); |
| 1123 | BUILD_OCL_VTYPES (char); |
| 1124 | types[opencl_primitive_type_uchar] |
| 1125 | = arch_integer_type (gdbarch, 8, 1, "uchar"); |
| 1126 | BUILD_OCL_VTYPES (uchar); |
| 1127 | types[opencl_primitive_type_short] |
| 1128 | = arch_integer_type (gdbarch, 16, 0, "short"); |
| 1129 | BUILD_OCL_VTYPES (short); |
| 1130 | types[opencl_primitive_type_ushort] |
| 1131 | = arch_integer_type (gdbarch, 16, 1, "ushort"); |
| 1132 | BUILD_OCL_VTYPES (ushort); |
| 1133 | types[opencl_primitive_type_int] |
| 1134 | = arch_integer_type (gdbarch, 32, 0, "int"); |
| 1135 | BUILD_OCL_VTYPES (int); |
| 1136 | types[opencl_primitive_type_uint] |
| 1137 | = arch_integer_type (gdbarch, 32, 1, "uint"); |
| 1138 | BUILD_OCL_VTYPES (uint); |
| 1139 | types[opencl_primitive_type_long] |
| 1140 | = arch_integer_type (gdbarch, 64, 0, "long"); |
| 1141 | BUILD_OCL_VTYPES (long); |
| 1142 | types[opencl_primitive_type_ulong] |
| 1143 | = arch_integer_type (gdbarch, 64, 1, "ulong"); |
| 1144 | BUILD_OCL_VTYPES (ulong); |
| 1145 | types[opencl_primitive_type_half] |
| 1146 | = arch_float_type (gdbarch, 16, "half", floatformats_ieee_half); |
| 1147 | BUILD_OCL_VTYPES (half); |
| 1148 | types[opencl_primitive_type_float] |
| 1149 | = arch_float_type (gdbarch, 32, "float", floatformats_ieee_single); |
| 1150 | BUILD_OCL_VTYPES (float); |
| 1151 | types[opencl_primitive_type_double] |
| 1152 | = arch_float_type (gdbarch, 64, "double", floatformats_ieee_double); |
| 1153 | BUILD_OCL_VTYPES (double); |
| 1154 | types[opencl_primitive_type_bool] |
| 1155 | = arch_boolean_type (gdbarch, 8, 1, "bool"); |
| 1156 | types[opencl_primitive_type_unsigned_char] |
| 1157 | = arch_integer_type (gdbarch, 8, 1, "unsigned char"); |
| 1158 | types[opencl_primitive_type_unsigned_short] |
| 1159 | = arch_integer_type (gdbarch, 16, 1, "unsigned short"); |
| 1160 | types[opencl_primitive_type_unsigned_int] |
| 1161 | = arch_integer_type (gdbarch, 32, 1, "unsigned int"); |
| 1162 | types[opencl_primitive_type_unsigned_long] |
| 1163 | = arch_integer_type (gdbarch, 64, 1, "unsigned long"); |
| 1164 | types[opencl_primitive_type_size_t] |
| 1165 | = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 1, "size_t"); |
| 1166 | types[opencl_primitive_type_ptrdiff_t] |
| 1167 | = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 0, "ptrdiff_t"); |
| 1168 | types[opencl_primitive_type_intptr_t] |
| 1169 | = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 0, "intptr_t"); |
| 1170 | types[opencl_primitive_type_uintptr_t] |
| 1171 | = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 1, "uintptr_t"); |
| 1172 | types[opencl_primitive_type_void] |
| 1173 | = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void"); |
| 1174 | |
| 1175 | return types; |
| 1176 | } |
| 1177 | |
| 1178 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
| 1179 | extern initialize_file_ftype _initialize_opencl_language; |
| 1180 | |
| 1181 | void |
| 1182 | _initialize_opencl_language (void) |
| 1183 | { |
| 1184 | opencl_type_data = gdbarch_data_register_post_init (build_opencl_types); |
| 1185 | add_language (&opencl_language_defn); |
| 1186 | } |