Mercurial > hg > CbC > CbC_gcc
annotate gcc/coretypes.h @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 0 | 1 /* GCC core type declarations. |
| 131 | 2 Copyright (C) 2002-2018 Free Software Foundation, Inc. |
| 0 | 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 | |
| 8 Software Foundation; either version 3, or (at your option) any later | |
| 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 | |
| 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 | |
| 23 <http://www.gnu.org/licenses/>. */ | |
| 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 | |
|
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40 #ifndef GTY |
| 0 | 41 #define GTY(x) /* nothing - marker for gengtype */ |
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42 #endif |
| 0 | 43 |
| 44 #ifndef USED_FOR_TARGET | |
| 45 | |
| 111 | 46 typedef int64_t gcov_type; |
| 47 typedef uint64_t gcov_type_unsigned; | |
| 48 | |
| 131 | 49 struct bitmap_obstack; |
| 111 | 50 struct bitmap_head; |
| 51 typedef struct bitmap_head *bitmap; | |
| 52 typedef const struct bitmap_head *const_bitmap; | |
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53 struct simple_bitmap_def; |
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54 typedef struct simple_bitmap_def *sbitmap; |
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55 typedef const struct simple_bitmap_def *const_sbitmap; |
| 0 | 56 struct rtx_def; |
| 57 typedef struct rtx_def *rtx; | |
| 58 typedef const struct rtx_def *const_rtx; | |
| 111 | 59 class scalar_mode; |
| 60 class scalar_int_mode; | |
| 61 class scalar_float_mode; | |
| 62 class complex_mode; | |
| 131 | 63 class fixed_size_mode; |
| 111 | 64 template<typename> class opt_mode; |
| 65 typedef opt_mode<scalar_mode> opt_scalar_mode; | |
| 66 typedef opt_mode<scalar_int_mode> opt_scalar_int_mode; | |
| 67 typedef opt_mode<scalar_float_mode> opt_scalar_float_mode; | |
| 68 template<typename> class pod_mode; | |
| 69 typedef pod_mode<scalar_mode> scalar_mode_pod; | |
| 70 typedef pod_mode<scalar_int_mode> scalar_int_mode_pod; | |
| 131 | 71 typedef pod_mode<fixed_size_mode> fixed_size_mode_pod; |
| 111 | 72 |
| 73 /* Subclasses of rtx_def, using indentation to show the class | |
| 74 hierarchy, along with the relevant invariant. | |
| 75 Where possible, keep this list in the same order as in rtl.def. */ | |
| 76 class rtx_def; | |
| 77 class rtx_expr_list; /* GET_CODE (X) == EXPR_LIST */ | |
| 78 class rtx_insn_list; /* GET_CODE (X) == INSN_LIST */ | |
| 79 class rtx_sequence; /* GET_CODE (X) == SEQUENCE */ | |
| 80 class rtx_insn; | |
| 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) */ | |
| 89 | |
| 0 | 90 struct rtvec_def; |
| 91 typedef struct rtvec_def *rtvec; | |
| 92 typedef const struct rtvec_def *const_rtvec; | |
| 111 | 93 struct hwivec_def; |
| 94 typedef struct hwivec_def *hwivec; | |
| 95 typedef const struct hwivec_def *const_hwivec; | |
| 0 | 96 union tree_node; |
| 97 typedef union tree_node *tree; | |
| 98 typedef const union tree_node *const_tree; | |
| 111 | 99 struct gimple; |
| 100 typedef gimple *gimple_seq; | |
| 101 struct gimple_stmt_iterator; | |
| 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; | |
| 129 struct gomp_ordered; | |
| 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 | |
| 131 | 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 | |
| 0 | 145 union section; |
| 146 typedef union section section; | |
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147 struct gcc_options; |
| 0 | 148 struct cl_target_option; |
| 149 struct cl_optimization; | |
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150 struct cl_option; |
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151 struct cl_decoded_option; |
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152 struct cl_option_handlers; |
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153 struct diagnostic_context; |
| 111 | 154 struct pretty_printer; |
| 0 | 155 |
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156 /* Address space number for named address space support. */ |
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157 typedef unsigned char addr_space_t; |
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158 |
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159 /* The value of addr_space_t that represents the generic address space. */ |
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160 #define ADDR_SPACE_GENERIC 0 |
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161 #define ADDR_SPACE_GENERIC_P(AS) ((AS) == ADDR_SPACE_GENERIC) |
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162 |
| 0 | 163 /* The major intermediate representations of GCC. */ |
| 164 enum ir_type { | |
| 165 IR_GIMPLE, | |
| 166 IR_RTL_CFGRTL, | |
| 167 IR_RTL_CFGLAYOUT | |
| 168 }; | |
| 169 | |
| 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. | |
| 172 Note that the cpp_reader and cpp_token typedefs remain part of | |
| 173 cpplib.h. */ | |
| 174 | |
| 175 struct cpp_reader; | |
| 176 struct cpp_token; | |
| 177 | |
| 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 { | |
| 182 TLS_MODEL_NONE, | |
| 183 TLS_MODEL_EMULATED, | |
| 184 TLS_MODEL_REAL, | |
| 185 TLS_MODEL_GLOBAL_DYNAMIC = TLS_MODEL_REAL, | |
| 186 TLS_MODEL_LOCAL_DYNAMIC, | |
| 187 TLS_MODEL_INITIAL_EXEC, | |
| 188 TLS_MODEL_LOCAL_EXEC | |
| 189 }; | |
| 190 | |
| 111 | 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 | |
| 198 /* Types of profile update methods. */ | |
| 199 enum profile_update { | |
| 200 PROFILE_UPDATE_SINGLE, | |
| 201 PROFILE_UPDATE_ATOMIC, | |
| 202 PROFILE_UPDATE_PREFER_ATOMIC | |
| 203 }; | |
| 204 | |
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205 /* Types of unwind/exception handling info that can be generated. */ |
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206 |
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207 enum unwind_info_type |
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208 { |
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209 UI_NONE, |
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210 UI_SJLJ, |
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211 UI_DWARF2, |
| 111 | 212 UI_TARGET, |
| 213 UI_SEH | |
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214 }; |
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215 |
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216 /* Callgraph node profile representation. */ |
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217 enum node_frequency { |
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218 /* This function most likely won't be executed at all. |
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219 (set only when profile feedback is available or via function attribute). */ |
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220 NODE_FREQUENCY_UNLIKELY_EXECUTED, |
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221 /* For functions that are known to be executed once (i.e. constructors, destructors |
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222 and main function. */ |
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223 NODE_FREQUENCY_EXECUTED_ONCE, |
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224 /* The default value. */ |
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225 NODE_FREQUENCY_NORMAL, |
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226 /* Optimize this function hard |
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227 (set only when profile feedback is available or via function attribute). */ |
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228 NODE_FREQUENCY_HOT |
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229 }; |
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230 |
| 111 | 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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; | |
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300 |
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301 struct edge_def; |
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302 typedef struct edge_def *edge; |
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303 typedef const struct edge_def *const_edge; |
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304 struct basic_block_def; |
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305 typedef struct basic_block_def *basic_block; |
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306 typedef const struct basic_block_def *const_basic_block; |
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307 |
| 111 | 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 | |
| 318 #define gcc_obstack_init(OBSTACK) \ | |
| 319 obstack_specify_allocation ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \ | |
| 320 obstack_chunk_alloc, \ | |
| 321 obstack_chunk_free) | |
|
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322 |
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323 /* enum reg_class is target specific, so it should not appear in |
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324 target-independent code or interfaces, like the target hook declarations |
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325 in target.h. */ |
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326 typedef int reg_class_t; |
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327 |
| 111 | 328 class rtl_opt_pass; |
| 329 | |
| 330 namespace gcc { | |
| 331 class context; | |
| 332 } | |
| 333 | |
| 334 typedef std::pair <tree, tree> tree_pair; | |
| 335 | |
| 131 | 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 | |
| 0 | 344 #else |
| 345 | |
| 346 struct _dont_use_rtx_here_; | |
| 347 struct _dont_use_rtvec_here_; | |
| 111 | 348 struct _dont_use_rtx_insn_here_; |
| 0 | 349 union _dont_use_tree_here_; |
| 350 #define rtx struct _dont_use_rtx_here_ * | |
| 351 #define const_rtx struct _dont_use_rtx_here_ * | |
| 352 #define rtvec struct _dont_use_rtvec_here * | |
| 353 #define const_rtvec struct _dont_use_rtvec_here * | |
| 111 | 354 #define rtx_insn struct _dont_use_rtx_insn_here_ |
| 0 | 355 #define tree union _dont_use_tree_here_ * |
| 356 #define const_tree union _dont_use_tree_here_ * | |
| 357 | |
| 111 | 358 typedef struct scalar_mode scalar_mode; |
| 359 typedef struct scalar_int_mode scalar_int_mode; | |
| 360 typedef struct scalar_float_mode scalar_float_mode; | |
| 361 typedef struct complex_mode complex_mode; | |
| 362 | |
| 0 | 363 #endif |
| 364 | |
| 111 | 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, | |
| 371 function_sincos, | |
| 372 function_c11_misc | |
| 373 }; | |
| 374 | |
| 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 | |
| 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 | |
| 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 | |
| 407 #if !defined (HAVE_UCHAR) | |
| 408 typedef unsigned char uchar; | |
| 409 #endif | |
| 410 | |
| 411 /* Most source files will require the following headers. */ | |
| 412 #if !defined (USED_FOR_TARGET) | |
| 413 #include "insn-modes.h" | |
| 414 #include "signop.h" | |
| 415 #include "wide-int.h" | |
| 416 #include "wide-int-print.h" | |
| 131 | 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" | |
| 111 | 432 #include "insn-modes-inline.h" |
| 433 #include "machmode.h" | |
| 434 #include "double-int.h" | |
| 131 | 435 #include "align.h" |
| 111 | 436 /* Most host source files will require the following headers. */ |
| 437 #if !defined (GENERATOR_FILE) | |
| 438 #include "real.h" | |
| 439 #include "fixed-value.h" | |
| 440 #include "hash-table.h" | |
| 441 #include "hash-set.h" | |
| 442 #include "input.h" | |
| 443 #include "is-a.h" | |
| 444 #include "memory-block.h" | |
| 445 #include "dumpfile.h" | |
| 446 #endif | |
| 447 #endif /* GENERATOR_FILE && !USED_FOR_TARGET */ | |
| 448 | |
| 0 | 449 #endif /* coretypes.h */ |