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805e22b2 | 1 | /* GCC core type declarations. |
f1717362 | 2 | Copyright (C) 2002-2016 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 | |
b3e7c666 | 49 | struct bitmap_head; |
50 | typedef struct bitmap_head *bitmap; | |
51 | typedef const struct bitmap_head *const_bitmap; | |
0f71a633 | 52 | struct simple_bitmap_def; |
53 | typedef struct simple_bitmap_def *sbitmap; | |
54 | typedef const struct simple_bitmap_def *const_sbitmap; | |
805e22b2 | 55 | struct rtx_def; |
56 | typedef struct rtx_def *rtx; | |
0c16c31b | 57 | typedef const struct rtx_def *const_rtx; |
a0416db5 | 58 | |
59 | /* Subclasses of rtx_def, using indentation to show the class | |
e1d13ab6 | 60 | hierarchy, along with the relevant invariant. |
a0416db5 | 61 | Where possible, keep this list in the same order as in rtl.def. */ |
62 | class rtx_def; | |
ede4900a | 63 | class rtx_expr_list; /* GET_CODE (X) == EXPR_LIST */ |
13be9dc6 | 64 | class rtx_insn_list; /* GET_CODE (X) == INSN_LIST */ |
4aa21596 | 65 | class rtx_sequence; /* GET_CODE (X) == SEQUENCE */ |
a0416db5 | 66 | class rtx_insn; |
e1d13ab6 | 67 | class rtx_debug_insn; /* DEBUG_INSN_P (X) */ |
68 | class rtx_nonjump_insn; /* NONJUMP_INSN_P (X) */ | |
69 | class rtx_jump_insn; /* JUMP_P (X) */ | |
70 | class rtx_call_insn; /* CALL_P (X) */ | |
71 | class rtx_jump_table_data; /* JUMP_TABLE_DATA_P (X) */ | |
72 | class rtx_barrier; /* BARRIER_P (X) */ | |
73 | class rtx_code_label; /* LABEL_P (X) */ | |
74 | class rtx_note; /* NOTE_P (X) */ | |
a0416db5 | 75 | |
805e22b2 | 76 | struct rtvec_def; |
77 | typedef struct rtvec_def *rtvec; | |
0c16c31b | 78 | typedef const struct rtvec_def *const_rtvec; |
e913b5cd | 79 | struct hwivec_def; |
80 | typedef struct hwivec_def *hwivec; | |
81 | typedef const struct hwivec_def *const_hwivec; | |
805e22b2 | 82 | union tree_node; |
83 | typedef union tree_node *tree; | |
3d9a4504 | 84 | typedef const union tree_node *const_tree; |
42acab1c | 85 | struct gimple; |
86 | typedef gimple *gimple_seq; | |
b3e7c666 | 87 | struct gimple_stmt_iterator; |
1a91d914 | 88 | |
89 | /* Forward decls for leaf gimple subclasses (for individual gimple codes). | |
90 | Keep this in the same order as the corresponding codes in gimple.def. */ | |
91 | ||
92 | struct gcond; | |
93 | struct gdebug; | |
94 | struct ggoto; | |
95 | struct glabel; | |
96 | struct gswitch; | |
97 | struct gassign; | |
98 | struct gasm; | |
99 | struct gcall; | |
100 | struct gtransaction; | |
101 | struct greturn; | |
102 | struct gbind; | |
103 | struct gcatch; | |
104 | struct geh_filter; | |
105 | struct geh_mnt; | |
106 | struct geh_else; | |
107 | struct gresx; | |
108 | struct geh_dispatch; | |
109 | struct gphi; | |
110 | struct gtry; | |
111 | struct gomp_atomic_load; | |
112 | struct gomp_atomic_store; | |
113 | struct gomp_continue; | |
114 | struct gomp_critical; | |
43895be5 | 115 | struct gomp_ordered; |
1a91d914 | 116 | struct gomp_for; |
117 | struct gomp_parallel; | |
118 | struct gomp_task; | |
119 | struct gomp_sections; | |
120 | struct gomp_single; | |
121 | struct gomp_target; | |
122 | struct gomp_teams; | |
123 | ||
2f14b1f9 | 124 | union section; |
125 | typedef union section section; | |
2c5d2e39 | 126 | struct gcc_options; |
46f8e3b0 | 127 | struct cl_target_option; |
128 | struct cl_optimization; | |
e88d34f6 | 129 | struct cl_option; |
130 | struct cl_decoded_option; | |
b78351e5 | 131 | struct cl_option_handlers; |
24ca3b4e | 132 | struct diagnostic_context; |
eed6bc21 | 133 | struct pretty_printer; |
805e22b2 | 134 | |
bd1a81f7 | 135 | /* Address space number for named address space support. */ |
136 | typedef unsigned char addr_space_t; | |
137 | ||
138 | /* The value of addr_space_t that represents the generic address space. */ | |
139 | #define ADDR_SPACE_GENERIC 0 | |
140 | #define ADDR_SPACE_GENERIC_P(AS) ((AS) == ADDR_SPACE_GENERIC) | |
141 | ||
15b8fe07 | 142 | /* The major intermediate representations of GCC. */ |
143 | enum ir_type { | |
144 | IR_GIMPLE, | |
145 | IR_RTL_CFGRTL, | |
146 | IR_RTL_CFGLAYOUT | |
147 | }; | |
148 | ||
af6a14ce | 149 | /* Provide forward struct declaration so that we don't have to include |
150 | all of cpplib.h whenever a random prototype includes a pointer. | |
89768577 | 151 | Note that the cpp_reader and cpp_token typedefs remain part of |
152 | cpplib.h. */ | |
af6a14ce | 153 | |
154 | struct cpp_reader; | |
89768577 | 155 | struct cpp_token; |
af6a14ce | 156 | |
4fd9bd7c | 157 | /* The thread-local storage model associated with a given VAR_DECL |
158 | or SYMBOL_REF. This isn't used much, but both trees and RTL refer | |
159 | to it, so it's here. */ | |
160 | enum tls_model { | |
1b53eb20 | 161 | TLS_MODEL_NONE, |
38475469 | 162 | TLS_MODEL_EMULATED, |
163 | TLS_MODEL_REAL, | |
164 | TLS_MODEL_GLOBAL_DYNAMIC = TLS_MODEL_REAL, | |
4fd9bd7c | 165 | TLS_MODEL_LOCAL_DYNAMIC, |
166 | TLS_MODEL_INITIAL_EXEC, | |
167 | TLS_MODEL_LOCAL_EXEC | |
168 | }; | |
169 | ||
38e21583 | 170 | /* Types of ABI for an offload compiler. */ |
171 | enum offload_abi { | |
172 | OFFLOAD_ABI_UNSET, | |
173 | OFFLOAD_ABI_LP64, | |
174 | OFFLOAD_ABI_ILP32 | |
175 | }; | |
176 | ||
983e6b0a | 177 | /* Types of unwind/exception handling info that can be generated. */ |
178 | ||
179 | enum unwind_info_type | |
180 | { | |
181 | UI_NONE, | |
182 | UI_SJLJ, | |
183 | UI_DWARF2, | |
8ad0b530 | 184 | UI_TARGET, |
185 | UI_SEH | |
983e6b0a | 186 | }; |
187 | ||
3b73548b | 188 | /* Callgraph node profile representation. */ |
189 | enum node_frequency { | |
190 | /* This function most likely won't be executed at all. | |
191 | (set only when profile feedback is available or via function attribute). */ | |
192 | NODE_FREQUENCY_UNLIKELY_EXECUTED, | |
193 | /* For functions that are known to be executed once (i.e. constructors, destructors | |
194 | and main function. */ | |
195 | NODE_FREQUENCY_EXECUTED_ONCE, | |
196 | /* The default value. */ | |
197 | NODE_FREQUENCY_NORMAL, | |
198 | /* Optimize this function hard | |
199 | (set only when profile feedback is available or via function attribute). */ | |
200 | NODE_FREQUENCY_HOT | |
201 | }; | |
202 | ||
acdfe9e0 | 203 | /* Ways of optimizing code. */ |
204 | enum optimization_type { | |
205 | /* Prioritize speed over size. */ | |
206 | OPTIMIZE_FOR_SPEED, | |
207 | ||
208 | /* Only do things that are good for both size and speed. */ | |
209 | OPTIMIZE_FOR_BOTH, | |
210 | ||
211 | /* Prioritize size over speed. */ | |
212 | OPTIMIZE_FOR_SIZE | |
213 | }; | |
214 | ||
dcdf448e | 215 | /* Possible initialization status of a variable. When requested |
216 | by the user, this information is tracked and recorded in the DWARF | |
217 | debug information, along with the variable's location. */ | |
218 | enum var_init_status | |
219 | { | |
220 | VAR_INIT_STATUS_UNKNOWN, | |
221 | VAR_INIT_STATUS_UNINITIALIZED, | |
222 | VAR_INIT_STATUS_INITIALIZED | |
223 | }; | |
224 | ||
577041e3 | 225 | /* The type of an alias set. Code currently assumes that variables of |
226 | this type can take the values 0 (the alias set which aliases | |
227 | everything) and -1 (sometimes indicating that the alias set is | |
228 | unknown, sometimes indicating a memory barrier) and -2 (indicating | |
229 | that the alias set should be set to a unique value but has not been | |
230 | set yet). */ | |
231 | typedef int alias_set_type; | |
3b73548b | 232 | |
927a6b6b | 233 | struct edge_def; |
234 | typedef struct edge_def *edge; | |
235 | typedef const struct edge_def *const_edge; | |
236 | struct basic_block_def; | |
237 | typedef struct basic_block_def *basic_block; | |
238 | typedef const struct basic_block_def *const_basic_block; | |
960ebfe7 | 239 | |
1dc6c44d | 240 | #if !defined (GENERATOR_FILE) |
241 | # define OBSTACK_CHUNK_SIZE memory_block_pool::block_size | |
242 | # define obstack_chunk_alloc mempool_obstack_chunk_alloc | |
243 | # define obstack_chunk_free mempool_obstack_chunk_free | |
244 | #else | |
245 | # define OBSTACK_CHUNK_SIZE 0 | |
246 | # define obstack_chunk_alloc xmalloc | |
247 | # define obstack_chunk_free free | |
248 | #endif | |
249 | ||
cc0a8c77 | 250 | #define gcc_obstack_init(OBSTACK) \ |
251 | obstack_specify_allocation ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \ | |
252 | obstack_chunk_alloc, \ | |
253 | obstack_chunk_free) | |
960ebfe7 | 254 | |
964229b7 | 255 | /* enum reg_class is target specific, so it should not appear in |
256 | target-independent code or interfaces, like the target hook declarations | |
257 | in target.h. */ | |
258 | typedef int reg_class_t; | |
259 | ||
a6ae2cf4 | 260 | class rtl_opt_pass; |
261 | ||
262 | namespace gcc { | |
263 | class context; | |
264 | } | |
265 | ||
a2b6bdcd | 266 | typedef std::pair <tree, tree> tree_pair; |
267 | ||
805e22b2 | 268 | #else |
269 | ||
270 | struct _dont_use_rtx_here_; | |
271 | struct _dont_use_rtvec_here_; | |
56e8f47f | 272 | struct _dont_use_rtx_insn_here_; |
805e22b2 | 273 | union _dont_use_tree_here_; |
274 | #define rtx struct _dont_use_rtx_here_ * | |
0c16c31b | 275 | #define const_rtx struct _dont_use_rtx_here_ * |
805e22b2 | 276 | #define rtvec struct _dont_use_rtvec_here * |
0c16c31b | 277 | #define const_rtvec struct _dont_use_rtvec_here * |
56e8f47f | 278 | #define rtx_insn struct _dont_use_rtx_insn_here_ |
805e22b2 | 279 | #define tree union _dont_use_tree_here_ * |
0c16c31b | 280 | #define const_tree union _dont_use_tree_here_ * |
805e22b2 | 281 | |
282 | #endif | |
283 | ||
30f690e0 | 284 | /* Classes of functions that compiler needs to check |
285 | whether they are present at the runtime or not. */ | |
286 | enum function_class { | |
287 | function_c94, | |
288 | function_c99_misc, | |
289 | function_c99_math_complex, | |
060fc206 | 290 | function_sincos, |
291 | function_c11_misc | |
30f690e0 | 292 | }; |
293 | ||
b02ae565 | 294 | /* Enumerate visibility settings. This is deliberately ordered from most |
295 | to least visibility. */ | |
296 | enum symbol_visibility | |
297 | { | |
298 | VISIBILITY_DEFAULT, | |
299 | VISIBILITY_PROTECTED, | |
300 | VISIBILITY_HIDDEN, | |
301 | VISIBILITY_INTERNAL | |
302 | }; | |
303 | ||
a372f7ca | 304 | /* Suppose that higher bits are target dependent. */ |
305 | #define MEMMODEL_MASK ((1<<16)-1) | |
306 | ||
307 | /* Legacy sync operations set this upper flag in the memory model. This allows | |
308 | targets that need to do something stronger for sync operations to | |
309 | differentiate with their target patterns and issue a more appropriate insn | |
310 | sequence. See bugzilla 65697 for background. */ | |
311 | #define MEMMODEL_SYNC (1<<15) | |
312 | ||
313 | /* Memory model without SYNC bit for targets/operations that do not care. */ | |
314 | #define MEMMODEL_BASE_MASK (MEMMODEL_SYNC-1) | |
315 | ||
1cd6e20d | 316 | /* Memory model types for the __atomic* builtins. |
317 | This must match the order in libstdc++-v3/include/bits/atomic_base.h. */ | |
318 | enum memmodel | |
319 | { | |
320 | MEMMODEL_RELAXED = 0, | |
321 | MEMMODEL_CONSUME = 1, | |
322 | MEMMODEL_ACQUIRE = 2, | |
323 | MEMMODEL_RELEASE = 3, | |
324 | MEMMODEL_ACQ_REL = 4, | |
325 | MEMMODEL_SEQ_CST = 5, | |
a372f7ca | 326 | MEMMODEL_LAST = 6, |
327 | MEMMODEL_SYNC_ACQUIRE = MEMMODEL_ACQUIRE | MEMMODEL_SYNC, | |
328 | MEMMODEL_SYNC_RELEASE = MEMMODEL_RELEASE | MEMMODEL_SYNC, | |
329 | MEMMODEL_SYNC_SEQ_CST = MEMMODEL_SEQ_CST | MEMMODEL_SYNC | |
1cd6e20d | 330 | }; |
331 | ||
2b15d2ba | 332 | /* Support for user-provided GGC and PCH markers. The first parameter |
333 | is a pointer to a pointer, the second a cookie. */ | |
334 | typedef void (*gt_pointer_operator) (void *, void *); | |
335 | ||
f1f41a6c | 336 | #if !defined (HAVE_UCHAR) |
337 | typedef unsigned char uchar; | |
338 | #endif | |
805e22b2 | 339 | |
f77c0292 | 340 | /* Most host source files will require the following headers. */ |
341 | #if !defined (GENERATOR_FILE) && !defined (USED_FOR_TARGET) | |
342 | #include "machmode.h" | |
343 | #include "signop.h" | |
344 | #include "wide-int.h" | |
345 | #include "double-int.h" | |
346 | #include "real.h" | |
347 | #include "fixed-value.h" | |
64486212 | 348 | #include "hash-table.h" |
349 | #include "hash-set.h" | |
f2ab3bac | 350 | #include "input.h" |
351 | #include "is-a.h" | |
1dc6c44d | 352 | #include "memory-block.h" |
64486212 | 353 | #endif /* GENERATOR_FILE && !USED_FOR_TARGET */ |
f77c0292 | 354 | |
f1f41a6c | 355 | #endif /* coretypes.h */ |