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805e22b2 | 1 | /* GCC core type declarations. |
fbd26352 | 2 | Copyright (C) 2002-2019 Free Software Foundation, Inc. |
805e22b2 | 3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8c4c00c1 | 8 | Software Foundation; either version 3, or (at your option) any later |
805e22b2 | 9 | version. |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
6bc9506f | 16 | Under Section 7 of GPL version 3, you are granted additional |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
8c4c00c1 | 23 | <http://www.gnu.org/licenses/>. */ |
805e22b2 | 24 | |
25 | /* Provide forward declarations of core types which are referred to by | |
26 | most of the compiler. This allows header files to use these types | |
27 | (e.g. in function prototypes) without concern for whether the full | |
28 | definitions are visible. Some other declarations that need to be | |
29 | universally visible are here, too. | |
30 | ||
31 | In the context of tconfig.h, most of these have special definitions | |
32 | which prevent them from being used except in further type | |
33 | declarations. This is a kludge; the right thing is to avoid | |
34 | including the "tm.h" header set in the context of tconfig.h, but | |
35 | we're not there yet. */ | |
36 | ||
37 | #ifndef GCC_CORETYPES_H | |
38 | #define GCC_CORETYPES_H | |
39 | ||
fb1e4f4a | 40 | #ifndef GTY |
805e22b2 | 41 | #define GTY(x) /* nothing - marker for gengtype */ |
fb1e4f4a | 42 | #endif |
805e22b2 | 43 | |
44 | #ifndef USED_FOR_TARGET | |
45 | ||
3a4303e7 | 46 | typedef int64_t gcov_type; |
47 | typedef uint64_t gcov_type_unsigned; | |
424a4a92 | 48 | |
be44111e | 49 | struct bitmap_obstack; |
b3e7c666 | 50 | struct bitmap_head; |
51 | typedef struct bitmap_head *bitmap; | |
52 | typedef const struct bitmap_head *const_bitmap; | |
0f71a633 | 53 | struct simple_bitmap_def; |
54 | typedef struct simple_bitmap_def *sbitmap; | |
55 | typedef const struct simple_bitmap_def *const_sbitmap; | |
805e22b2 | 56 | struct rtx_def; |
57 | typedef struct rtx_def *rtx; | |
0c16c31b | 58 | typedef const struct rtx_def *const_rtx; |
9fcae33e | 59 | class scalar_mode; |
af8303fa | 60 | class scalar_int_mode; |
47fbdc12 | 61 | class scalar_float_mode; |
430c243d | 62 | class complex_mode; |
d8ba6ec1 | 63 | class fixed_size_mode; |
28ebc73c | 64 | template<typename> class opt_mode; |
2b8f5b8a | 65 | typedef opt_mode<scalar_mode> opt_scalar_mode; |
af8303fa | 66 | typedef opt_mode<scalar_int_mode> opt_scalar_int_mode; |
99d671f4 | 67 | typedef opt_mode<scalar_float_mode> opt_scalar_float_mode; |
ced5293f | 68 | template<typename> class pod_mode; |
af71096c | 69 | typedef pod_mode<scalar_mode> scalar_mode_pod; |
ced5293f | 70 | typedef pod_mode<scalar_int_mode> scalar_int_mode_pod; |
d8ba6ec1 | 71 | typedef pod_mode<fixed_size_mode> fixed_size_mode_pod; |
a0416db5 | 72 | |
73 | /* Subclasses of rtx_def, using indentation to show the class | |
e1d13ab6 | 74 | hierarchy, along with the relevant invariant. |
a0416db5 | 75 | Where possible, keep this list in the same order as in rtl.def. */ |
76 | class rtx_def; | |
ede4900a | 77 | class rtx_expr_list; /* GET_CODE (X) == EXPR_LIST */ |
13be9dc6 | 78 | class rtx_insn_list; /* GET_CODE (X) == INSN_LIST */ |
4aa21596 | 79 | class rtx_sequence; /* GET_CODE (X) == SEQUENCE */ |
a0416db5 | 80 | class rtx_insn; |
e1d13ab6 | 81 | class rtx_debug_insn; /* DEBUG_INSN_P (X) */ |
82 | class rtx_nonjump_insn; /* NONJUMP_INSN_P (X) */ | |
83 | class rtx_jump_insn; /* JUMP_P (X) */ | |
84 | class rtx_call_insn; /* CALL_P (X) */ | |
85 | class rtx_jump_table_data; /* JUMP_TABLE_DATA_P (X) */ | |
86 | class rtx_barrier; /* BARRIER_P (X) */ | |
87 | class rtx_code_label; /* LABEL_P (X) */ | |
88 | class rtx_note; /* NOTE_P (X) */ | |
a0416db5 | 89 | |
805e22b2 | 90 | struct rtvec_def; |
91 | typedef struct rtvec_def *rtvec; | |
0c16c31b | 92 | typedef const struct rtvec_def *const_rtvec; |
e913b5cd | 93 | struct hwivec_def; |
94 | typedef struct hwivec_def *hwivec; | |
95 | typedef const struct hwivec_def *const_hwivec; | |
805e22b2 | 96 | union tree_node; |
97 | typedef union tree_node *tree; | |
3d9a4504 | 98 | typedef const union tree_node *const_tree; |
42acab1c | 99 | struct gimple; |
100 | typedef gimple *gimple_seq; | |
b3e7c666 | 101 | struct gimple_stmt_iterator; |
1a91d914 | 102 | |
103 | /* Forward decls for leaf gimple subclasses (for individual gimple codes). | |
104 | Keep this in the same order as the corresponding codes in gimple.def. */ | |
105 | ||
106 | struct gcond; | |
107 | struct gdebug; | |
108 | struct ggoto; | |
109 | struct glabel; | |
110 | struct gswitch; | |
111 | struct gassign; | |
112 | struct gasm; | |
113 | struct gcall; | |
114 | struct gtransaction; | |
115 | struct greturn; | |
116 | struct gbind; | |
117 | struct gcatch; | |
118 | struct geh_filter; | |
119 | struct geh_mnt; | |
120 | struct geh_else; | |
121 | struct gresx; | |
122 | struct geh_dispatch; | |
123 | struct gphi; | |
124 | struct gtry; | |
125 | struct gomp_atomic_load; | |
126 | struct gomp_atomic_store; | |
127 | struct gomp_continue; | |
128 | struct gomp_critical; | |
43895be5 | 129 | struct gomp_ordered; |
1a91d914 | 130 | struct gomp_for; |
131 | struct gomp_parallel; | |
132 | struct gomp_task; | |
133 | struct gomp_sections; | |
134 | struct gomp_single; | |
135 | struct gomp_target; | |
136 | struct gomp_teams; | |
137 | ||
38cf91e5 | 138 | /* Subclasses of symtab_node, using indentation to show the class |
139 | hierarchy. */ | |
140 | ||
141 | class symtab_node; | |
142 | struct cgraph_node; | |
143 | class varpool_node; | |
144 | ||
2f14b1f9 | 145 | union section; |
146 | typedef union section section; | |
2c5d2e39 | 147 | struct gcc_options; |
46f8e3b0 | 148 | struct cl_target_option; |
149 | struct cl_optimization; | |
e88d34f6 | 150 | struct cl_option; |
151 | struct cl_decoded_option; | |
b78351e5 | 152 | struct cl_option_handlers; |
24ca3b4e | 153 | struct diagnostic_context; |
eed6bc21 | 154 | struct pretty_printer; |
805e22b2 | 155 | |
bd1a81f7 | 156 | /* Address space number for named address space support. */ |
157 | typedef unsigned char addr_space_t; | |
158 | ||
159 | /* The value of addr_space_t that represents the generic address space. */ | |
160 | #define ADDR_SPACE_GENERIC 0 | |
161 | #define ADDR_SPACE_GENERIC_P(AS) ((AS) == ADDR_SPACE_GENERIC) | |
162 | ||
15b8fe07 | 163 | /* The major intermediate representations of GCC. */ |
164 | enum ir_type { | |
165 | IR_GIMPLE, | |
166 | IR_RTL_CFGRTL, | |
167 | IR_RTL_CFGLAYOUT | |
168 | }; | |
169 | ||
af6a14ce | 170 | /* Provide forward struct declaration so that we don't have to include |
171 | all of cpplib.h whenever a random prototype includes a pointer. | |
89768577 | 172 | Note that the cpp_reader and cpp_token typedefs remain part of |
173 | cpplib.h. */ | |
af6a14ce | 174 | |
175 | struct cpp_reader; | |
89768577 | 176 | struct cpp_token; |
af6a14ce | 177 | |
4fd9bd7c | 178 | /* The thread-local storage model associated with a given VAR_DECL |
179 | or SYMBOL_REF. This isn't used much, but both trees and RTL refer | |
180 | to it, so it's here. */ | |
181 | enum tls_model { | |
1b53eb20 | 182 | TLS_MODEL_NONE, |
38475469 | 183 | TLS_MODEL_EMULATED, |
184 | TLS_MODEL_REAL, | |
185 | TLS_MODEL_GLOBAL_DYNAMIC = TLS_MODEL_REAL, | |
4fd9bd7c | 186 | TLS_MODEL_LOCAL_DYNAMIC, |
187 | TLS_MODEL_INITIAL_EXEC, | |
188 | TLS_MODEL_LOCAL_EXEC | |
189 | }; | |
190 | ||
38e21583 | 191 | /* Types of ABI for an offload compiler. */ |
192 | enum offload_abi { | |
193 | OFFLOAD_ABI_UNSET, | |
194 | OFFLOAD_ABI_LP64, | |
195 | OFFLOAD_ABI_ILP32 | |
196 | }; | |
197 | ||
7132b755 | 198 | /* Types of profile update methods. */ |
199 | enum profile_update { | |
200 | PROFILE_UPDATE_SINGLE, | |
3af33bcf | 201 | PROFILE_UPDATE_ATOMIC, |
202 | PROFILE_UPDATE_PREFER_ATOMIC | |
7132b755 | 203 | }; |
204 | ||
983e6b0a | 205 | /* Types of unwind/exception handling info that can be generated. */ |
206 | ||
207 | enum unwind_info_type | |
208 | { | |
209 | UI_NONE, | |
210 | UI_SJLJ, | |
211 | UI_DWARF2, | |
8ad0b530 | 212 | UI_TARGET, |
213 | UI_SEH | |
983e6b0a | 214 | }; |
215 | ||
3b73548b | 216 | /* Callgraph node profile representation. */ |
217 | enum node_frequency { | |
218 | /* This function most likely won't be executed at all. | |
219 | (set only when profile feedback is available or via function attribute). */ | |
220 | NODE_FREQUENCY_UNLIKELY_EXECUTED, | |
221 | /* For functions that are known to be executed once (i.e. constructors, destructors | |
222 | and main function. */ | |
223 | NODE_FREQUENCY_EXECUTED_ONCE, | |
224 | /* The default value. */ | |
225 | NODE_FREQUENCY_NORMAL, | |
226 | /* Optimize this function hard | |
227 | (set only when profile feedback is available or via function attribute). */ | |
228 | NODE_FREQUENCY_HOT | |
229 | }; | |
230 | ||
acdfe9e0 | 231 | /* Ways of optimizing code. */ |
232 | enum optimization_type { | |
233 | /* Prioritize speed over size. */ | |
234 | OPTIMIZE_FOR_SPEED, | |
235 | ||
236 | /* Only do things that are good for both size and speed. */ | |
237 | OPTIMIZE_FOR_BOTH, | |
238 | ||
239 | /* Prioritize size over speed. */ | |
240 | OPTIMIZE_FOR_SIZE | |
241 | }; | |
242 | ||
d7ab0e3d | 243 | /* Enumerates a padding direction. */ |
244 | enum pad_direction { | |
245 | /* No padding is required. */ | |
246 | PAD_NONE, | |
247 | ||
248 | /* Insert padding above the data, i.e. at higher memeory addresses | |
249 | when dealing with memory, and at the most significant end when | |
250 | dealing with registers. */ | |
251 | PAD_UPWARD, | |
252 | ||
253 | /* Insert padding below the data, i.e. at lower memeory addresses | |
254 | when dealing with memory, and at the least significant end when | |
255 | dealing with registers. */ | |
256 | PAD_DOWNWARD | |
257 | }; | |
258 | ||
dcdf448e | 259 | /* Possible initialization status of a variable. When requested |
260 | by the user, this information is tracked and recorded in the DWARF | |
261 | debug information, along with the variable's location. */ | |
262 | enum var_init_status | |
263 | { | |
264 | VAR_INIT_STATUS_UNKNOWN, | |
265 | VAR_INIT_STATUS_UNINITIALIZED, | |
266 | VAR_INIT_STATUS_INITIALIZED | |
267 | }; | |
268 | ||
eb1a077c | 269 | /* Names for the different levels of -Wstrict-overflow=N. The numeric |
270 | values here correspond to N. */ | |
271 | enum warn_strict_overflow_code | |
272 | { | |
273 | /* Overflow warning that should be issued with -Wall: a questionable | |
274 | construct that is easy to avoid even when using macros. Example: | |
275 | folding (x + CONSTANT > x) to 1. */ | |
276 | WARN_STRICT_OVERFLOW_ALL = 1, | |
277 | /* Overflow warning about folding a comparison to a constant because | |
278 | of undefined signed overflow, other than cases covered by | |
279 | WARN_STRICT_OVERFLOW_ALL. Example: folding (abs (x) >= 0) to 1 | |
280 | (this is false when x == INT_MIN). */ | |
281 | WARN_STRICT_OVERFLOW_CONDITIONAL = 2, | |
282 | /* Overflow warning about changes to comparisons other than folding | |
283 | them to a constant. Example: folding (x + 1 > 1) to (x > 0). */ | |
284 | WARN_STRICT_OVERFLOW_COMPARISON = 3, | |
285 | /* Overflow warnings not covered by the above cases. Example: | |
286 | folding ((x * 10) / 5) to (x * 2). */ | |
287 | WARN_STRICT_OVERFLOW_MISC = 4, | |
288 | /* Overflow warnings about reducing magnitude of constants in | |
289 | comparison. Example: folding (x + 2 > y) to (x + 1 >= y). */ | |
290 | WARN_STRICT_OVERFLOW_MAGNITUDE = 5 | |
291 | }; | |
292 | ||
577041e3 | 293 | /* The type of an alias set. Code currently assumes that variables of |
294 | this type can take the values 0 (the alias set which aliases | |
295 | everything) and -1 (sometimes indicating that the alias set is | |
296 | unknown, sometimes indicating a memory barrier) and -2 (indicating | |
297 | that the alias set should be set to a unique value but has not been | |
298 | set yet). */ | |
299 | typedef int alias_set_type; | |
3b73548b | 300 | |
927a6b6b | 301 | struct edge_def; |
302 | typedef struct edge_def *edge; | |
303 | typedef const struct edge_def *const_edge; | |
304 | struct basic_block_def; | |
305 | typedef struct basic_block_def *basic_block; | |
306 | typedef const struct basic_block_def *const_basic_block; | |
960ebfe7 | 307 | |
1dc6c44d | 308 | #if !defined (GENERATOR_FILE) |
309 | # define OBSTACK_CHUNK_SIZE memory_block_pool::block_size | |
310 | # define obstack_chunk_alloc mempool_obstack_chunk_alloc | |
311 | # define obstack_chunk_free mempool_obstack_chunk_free | |
312 | #else | |
313 | # define OBSTACK_CHUNK_SIZE 0 | |
314 | # define obstack_chunk_alloc xmalloc | |
315 | # define obstack_chunk_free free | |
316 | #endif | |
317 | ||
cc0a8c77 | 318 | #define gcc_obstack_init(OBSTACK) \ |
319 | obstack_specify_allocation ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \ | |
320 | obstack_chunk_alloc, \ | |
321 | obstack_chunk_free) | |
960ebfe7 | 322 | |
964229b7 | 323 | /* enum reg_class is target specific, so it should not appear in |
324 | target-independent code or interfaces, like the target hook declarations | |
325 | in target.h. */ | |
326 | typedef int reg_class_t; | |
327 | ||
a6ae2cf4 | 328 | class rtl_opt_pass; |
329 | ||
330 | namespace gcc { | |
331 | class context; | |
332 | } | |
333 | ||
a2b6bdcd | 334 | typedef std::pair <tree, tree> tree_pair; |
335 | ||
9dcf2a11 | 336 | /* Define a name->value mapping. */ |
337 | template <typename ValueType> | |
338 | struct kv_pair | |
339 | { | |
340 | const char *const name; /* the name of the value */ | |
341 | const ValueType value; /* the value of the name */ | |
342 | }; | |
343 | ||
805e22b2 | 344 | #else |
345 | ||
346 | struct _dont_use_rtx_here_; | |
347 | struct _dont_use_rtvec_here_; | |
56e8f47f | 348 | struct _dont_use_rtx_insn_here_; |
805e22b2 | 349 | union _dont_use_tree_here_; |
350 | #define rtx struct _dont_use_rtx_here_ * | |
0c16c31b | 351 | #define const_rtx struct _dont_use_rtx_here_ * |
805e22b2 | 352 | #define rtvec struct _dont_use_rtvec_here * |
0c16c31b | 353 | #define const_rtvec struct _dont_use_rtvec_here * |
56e8f47f | 354 | #define rtx_insn struct _dont_use_rtx_insn_here_ |
805e22b2 | 355 | #define tree union _dont_use_tree_here_ * |
0c16c31b | 356 | #define const_tree union _dont_use_tree_here_ * |
805e22b2 | 357 | |
9fcae33e | 358 | typedef struct scalar_mode scalar_mode; |
af8303fa | 359 | typedef struct scalar_int_mode scalar_int_mode; |
47fbdc12 | 360 | typedef struct scalar_float_mode scalar_float_mode; |
430c243d | 361 | typedef struct complex_mode complex_mode; |
47fbdc12 | 362 | |
805e22b2 | 363 | #endif |
364 | ||
30f690e0 | 365 | /* Classes of functions that compiler needs to check |
366 | whether they are present at the runtime or not. */ | |
367 | enum function_class { | |
368 | function_c94, | |
369 | function_c99_misc, | |
370 | function_c99_math_complex, | |
060fc206 | 371 | function_sincos, |
372 | function_c11_misc | |
30f690e0 | 373 | }; |
374 | ||
b02ae565 | 375 | /* Enumerate visibility settings. This is deliberately ordered from most |
376 | to least visibility. */ | |
377 | enum symbol_visibility | |
378 | { | |
379 | VISIBILITY_DEFAULT, | |
380 | VISIBILITY_PROTECTED, | |
381 | VISIBILITY_HIDDEN, | |
382 | VISIBILITY_INTERNAL | |
383 | }; | |
384 | ||
069d39e6 | 385 | /* enums used by the targetm.excess_precision hook. */ |
386 | ||
387 | enum flt_eval_method | |
388 | { | |
389 | FLT_EVAL_METHOD_UNPREDICTABLE = -1, | |
390 | FLT_EVAL_METHOD_PROMOTE_TO_FLOAT = 0, | |
391 | FLT_EVAL_METHOD_PROMOTE_TO_DOUBLE = 1, | |
392 | FLT_EVAL_METHOD_PROMOTE_TO_LONG_DOUBLE = 2, | |
393 | FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16 = 16 | |
394 | }; | |
395 | ||
396 | enum excess_precision_type | |
397 | { | |
398 | EXCESS_PRECISION_TYPE_IMPLICIT, | |
399 | EXCESS_PRECISION_TYPE_STANDARD, | |
400 | EXCESS_PRECISION_TYPE_FAST | |
401 | }; | |
402 | ||
2b15d2ba | 403 | /* Support for user-provided GGC and PCH markers. The first parameter |
404 | is a pointer to a pointer, the second a cookie. */ | |
405 | typedef void (*gt_pointer_operator) (void *, void *); | |
406 | ||
f1f41a6c | 407 | #if !defined (HAVE_UCHAR) |
408 | typedef unsigned char uchar; | |
409 | #endif | |
805e22b2 | 410 | |
8734172d | 411 | /* Most source files will require the following headers. */ |
412 | #if !defined (USED_FOR_TARGET) | |
413 | #include "insn-modes.h" | |
f77c0292 | 414 | #include "signop.h" |
415 | #include "wide-int.h" | |
8734172d | 416 | #include "wide-int-print.h" |
466432a3 | 417 | |
418 | /* On targets that don't need polynomial offsets, target-specific code | |
419 | should be able to treat poly_int like a normal constant, with a | |
420 | conversion operator going from the former to the latter. We also | |
421 | allow this for gencondmd.c for all targets, so that we can treat | |
422 | machine_modes as enums without causing build failures. */ | |
423 | #if (defined (IN_TARGET_CODE) \ | |
424 | && (defined (USE_ENUM_MODES) || NUM_POLY_INT_COEFFS == 1)) | |
425 | #define POLY_INT_CONVERSION 1 | |
426 | #else | |
427 | #define POLY_INT_CONVERSION 0 | |
428 | #endif | |
429 | ||
430 | #include "poly-int.h" | |
431 | #include "poly-int-types.h" | |
8734172d | 432 | #include "insn-modes-inline.h" |
433 | #include "machmode.h" | |
f77c0292 | 434 | #include "double-int.h" |
6fceef7a | 435 | #include "align.h" |
8734172d | 436 | /* Most host source files will require the following headers. */ |
437 | #if !defined (GENERATOR_FILE) | |
f77c0292 | 438 | #include "real.h" |
439 | #include "fixed-value.h" | |
64486212 | 440 | #include "hash-table.h" |
441 | #include "hash-set.h" | |
f2ab3bac | 442 | #include "input.h" |
443 | #include "is-a.h" | |
1dc6c44d | 444 | #include "memory-block.h" |
3f6e5ced | 445 | #include "dumpfile.h" |
8734172d | 446 | #endif |
64486212 | 447 | #endif /* GENERATOR_FILE && !USED_FOR_TARGET */ |
f77c0292 | 448 | |
f1f41a6c | 449 | #endif /* coretypes.h */ |