/[pcre]/code/trunk/sljit/sljitLir.c
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Contents of /code/trunk/sljit/sljitLir.c

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Revision 839 - (show annotations)
Fri Dec 30 13:22:28 2011 UTC (7 years, 8 months ago) by zherczeg
File MIME type: text/plain
File size: 44325 byte(s)
Error occurred while calculating annotation data.
endianness fixes and JIT compiler update
1 /*
2 * Stack-less Just-In-Time compiler
3 *
4 * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without modification, are
7 * permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this list of
10 * conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
13 * of conditions and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "sljitLir.h"
28
29 #define CHECK_ERROR() \
30 do { \
31 if (SLJIT_UNLIKELY(compiler->error)) \
32 return compiler->error; \
33 } while (0)
34
35 #define CHECK_ERROR_PTR() \
36 do { \
37 if (SLJIT_UNLIKELY(compiler->error)) \
38 return NULL; \
39 } while (0)
40
41 #define CHECK_ERROR_VOID() \
42 do { \
43 if (SLJIT_UNLIKELY(compiler->error)) \
44 return; \
45 } while (0)
46
47 #define FAIL_IF(expr) \
48 do { \
49 if (SLJIT_UNLIKELY(expr)) \
50 return compiler->error; \
51 } while (0)
52
53 #define PTR_FAIL_IF(expr) \
54 do { \
55 if (SLJIT_UNLIKELY(expr)) \
56 return NULL; \
57 } while (0)
58
59 #define FAIL_IF_NULL(ptr) \
60 do { \
61 if (SLJIT_UNLIKELY(!(ptr))) { \
62 compiler->error = SLJIT_ERR_ALLOC_FAILED; \
63 return SLJIT_ERR_ALLOC_FAILED; \
64 } \
65 } while (0)
66
67 #define PTR_FAIL_IF_NULL(ptr) \
68 do { \
69 if (SLJIT_UNLIKELY(!(ptr))) { \
70 compiler->error = SLJIT_ERR_ALLOC_FAILED; \
71 return NULL; \
72 } \
73 } while (0)
74
75 #define PTR_FAIL_WITH_EXEC_IF(ptr) \
76 do { \
77 if (SLJIT_UNLIKELY(!(ptr))) { \
78 compiler->error = SLJIT_ERR_EX_ALLOC_FAILED; \
79 return NULL; \
80 } \
81 } while (0)
82
83 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
84
85 #define GET_OPCODE(op) \
86 ((op) & ~(SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
87
88 #define GET_FLAGS(op) \
89 ((op) & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C))
90
91 #define GET_ALL_FLAGS(op) \
92 ((op) & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
93
94 #define BUF_SIZE 4096
95
96 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
97 #define ABUF_SIZE 2048
98 #else
99 #define ABUF_SIZE 4096
100 #endif
101
102 /* Jump flags. */
103 #define JUMP_LABEL 0x1
104 #define JUMP_ADDR 0x2
105 /* SLJIT_REWRITABLE_JUMP is 0x1000. */
106
107 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
108 #define PATCH_MB 0x4
109 #define PATCH_MW 0x8
110 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
111 #define PATCH_MD 0x10
112 #endif
113 #endif
114
115 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
116 #define IS_BL 0x4
117 #define PATCH_B 0x8
118 #endif
119
120 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
121 #define CPOOL_SIZE 512
122 #endif
123
124 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
125 #define IS_CONDITIONAL 0x04
126 #define IS_BL 0x08
127 /* cannot be encoded as branch */
128 #define B_TYPE0 0x00
129 /* conditional + imm8 */
130 #define B_TYPE1 0x10
131 /* conditional + imm20 */
132 #define B_TYPE2 0x20
133 /* IT + imm24 */
134 #define B_TYPE3 0x30
135 /* imm11 */
136 #define B_TYPE4 0x40
137 /* imm24 */
138 #define B_TYPE5 0x50
139 /* BL + imm24 */
140 #define BL_TYPE6 0x60
141 /* 0xf00 cc code for branches */
142 #endif
143
144 #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
145 #define UNCOND_B 0x04
146 #define PATCH_B 0x08
147 #define ABSOLUTE_B 0x10
148 #endif
149
150 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
151 #define IS_MOVABLE 0x04
152 #define IS_JAL 0x08
153 #define IS_BIT26_COND 0x10
154 #define IS_BIT16_COND 0x20
155
156 #define IS_COND (IS_BIT26_COND | IS_BIT16_COND)
157
158 #define PATCH_B 0x40
159 #define PATCH_J 0x80
160
161 /* instruction types */
162 #define UNMOVABLE_INS 0
163 /* 1 - 31 last destination register */
164 #define FCSR_FCC 32
165 /* no destination (i.e: store) */
166 #define MOVABLE_INS 33
167 #endif
168
169 #endif /* !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) */
170
171 /* Utils can still be used even if SLJIT_CONFIG_UNSUPPORTED is set. */
172 #include "sljitUtils.c"
173
174 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
175
176 #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
177 #include "sljitExecAllocator.c"
178 #endif
179
180 #if (defined SLJIT_SSE2_AUTO && SLJIT_SSE2_AUTO) && !(defined SLJIT_SSE2 && SLJIT_SSE2)
181 #error SLJIT_SSE2_AUTO cannot be enabled without SLJIT_SSE2
182 #endif
183
184 /* --------------------------------------------------------------------- */
185 /* Public functions */
186 /* --------------------------------------------------------------------- */
187
188 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || ((defined SLJIT_SSE2 && SLJIT_SSE2) && ((defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)))
189 #define SLJIT_NEEDS_COMPILER_INIT 1
190 static int compiler_initialized = 0;
191 /* A thread safe initialization. */
192 static void init_compiler(void);
193 #endif
194
195
196 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
197 {
198 struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC(sizeof(struct sljit_compiler));
199 if (!compiler)
200 return NULL;
201 SLJIT_ZEROMEM(compiler, sizeof(struct sljit_compiler));
202
203 SLJIT_COMPILE_ASSERT(
204 sizeof(sljit_b) == 1 && sizeof(sljit_ub) == 1
205 && sizeof(sljit_h) == 2 && sizeof(sljit_uh) == 2
206 && sizeof(sljit_i) == 4 && sizeof(sljit_ui) == 4
207 && ((sizeof(sljit_w) == 4 && sizeof(sljit_uw) == 4) || (sizeof(sljit_w) == 8 && sizeof(sljit_uw) == 8)),
208 invalid_integer_types);
209
210 /* Only the non-zero members must be set. */
211 compiler->error = SLJIT_SUCCESS;
212
213 compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE);
214 compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE);
215
216 if (!compiler->buf || !compiler->abuf) {
217 if (compiler->buf)
218 SLJIT_FREE(compiler->buf);
219 if (compiler->abuf)
220 SLJIT_FREE(compiler->abuf);
221 SLJIT_FREE(compiler);
222 return NULL;
223 }
224
225 compiler->buf->next = NULL;
226 compiler->buf->used_size = 0;
227 compiler->abuf->next = NULL;
228 compiler->abuf->used_size = 0;
229
230 compiler->temporaries = -1;
231 compiler->generals = -1;
232
233 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
234 compiler->args = -1;
235 #endif
236
237 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
238 compiler->cpool = (sljit_uw*)SLJIT_MALLOC(CPOOL_SIZE * sizeof(sljit_uw) + CPOOL_SIZE * sizeof(sljit_ub));
239 if (!compiler->cpool) {
240 SLJIT_FREE(compiler->buf);
241 SLJIT_FREE(compiler->abuf);
242 SLJIT_FREE(compiler);
243 return NULL;
244 }
245 compiler->cpool_unique = (sljit_ub*)(compiler->cpool + CPOOL_SIZE);
246 compiler->cpool_diff = 0xffffffff;
247 #endif
248
249 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
250 compiler->delay_slot = UNMOVABLE_INS;
251 #endif
252
253 #if (defined SLJIT_NEEDS_COMPILER_INIT && SLJIT_NEEDS_COMPILER_INIT)
254 if (!compiler_initialized) {
255 init_compiler();
256 compiler_initialized = 1;
257 }
258 #endif
259
260 return compiler;
261 }
262
263 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
264 {
265 struct sljit_memory_fragment *buf;
266 struct sljit_memory_fragment *curr;
267
268 buf = compiler->buf;
269 while (buf) {
270 curr = buf;
271 buf = buf->next;
272 SLJIT_FREE(curr);
273 }
274
275 buf = compiler->abuf;
276 while (buf) {
277 curr = buf;
278 buf = buf->next;
279 SLJIT_FREE(curr);
280 }
281
282 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
283 SLJIT_FREE(compiler->cpool);
284 #endif
285 SLJIT_FREE(compiler);
286 }
287
288 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
289 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
290 {
291 /* Remove thumb mode flag. */
292 SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1));
293 }
294 #elif (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
295 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
296 {
297 /* Resolve indirection. */
298 code = (void*)(*(sljit_uw*)code);
299 SLJIT_FREE_EXEC(code);
300 }
301 #else
302 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
303 {
304 SLJIT_FREE_EXEC(code);
305 }
306 #endif
307
308 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
309 {
310 if (SLJIT_LIKELY(!!jump) && SLJIT_LIKELY(!!label)) {
311 jump->flags &= ~JUMP_ADDR;
312 jump->flags |= JUMP_LABEL;
313 jump->u.label = label;
314 }
315 }
316
317 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
318 {
319 if (SLJIT_LIKELY(!!jump)) {
320 SLJIT_ASSERT(jump->flags & SLJIT_REWRITABLE_JUMP);
321
322 jump->flags &= ~JUMP_LABEL;
323 jump->flags |= JUMP_ADDR;
324 jump->u.target = target;
325 }
326 }
327
328 /* --------------------------------------------------------------------- */
329 /* Private functions */
330 /* --------------------------------------------------------------------- */
331
332 static void* ensure_buf(struct sljit_compiler *compiler, int size)
333 {
334 sljit_ub *ret;
335 struct sljit_memory_fragment *new_frag;
336
337 if (compiler->buf->used_size + size <= (int)(BUF_SIZE - sizeof(sljit_uw) - sizeof(void*))) {
338 ret = compiler->buf->memory + compiler->buf->used_size;
339 compiler->buf->used_size += size;
340 return ret;
341 }
342 new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE);
343 PTR_FAIL_IF_NULL(new_frag);
344 new_frag->next = compiler->buf;
345 compiler->buf = new_frag;
346 new_frag->used_size = size;
347 return new_frag->memory;
348 }
349
350 static void* ensure_abuf(struct sljit_compiler *compiler, int size)
351 {
352 sljit_ub *ret;
353 struct sljit_memory_fragment *new_frag;
354
355 if (compiler->abuf->used_size + size <= (int)(ABUF_SIZE - sizeof(sljit_uw) - sizeof(void*))) {
356 ret = compiler->abuf->memory + compiler->abuf->used_size;
357 compiler->abuf->used_size += size;
358 return ret;
359 }
360 new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE);
361 PTR_FAIL_IF_NULL(new_frag);
362 new_frag->next = compiler->abuf;
363 compiler->abuf = new_frag;
364 new_frag->used_size = size;
365 return new_frag->memory;
366 }
367
368 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, int size)
369 {
370 CHECK_ERROR_PTR();
371
372 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
373 if (size <= 0 || size > 128)
374 return NULL;
375 size = (size + 7) & ~7;
376 #else
377 if (size <= 0 || size > 64)
378 return NULL;
379 size = (size + 3) & ~3;
380 #endif
381 return ensure_abuf(compiler, size);
382 }
383
384 static SLJIT_INLINE void reverse_buf(struct sljit_compiler *compiler)
385 {
386 struct sljit_memory_fragment *buf = compiler->buf;
387 struct sljit_memory_fragment *prev = NULL;
388 struct sljit_memory_fragment *tmp;
389
390 do {
391 tmp = buf->next;
392 buf->next = prev;
393 prev = buf;
394 buf = tmp;
395 } while (buf != NULL);
396
397 compiler->buf = prev;
398 }
399
400 static SLJIT_INLINE void set_label(struct sljit_label *label, struct sljit_compiler *compiler)
401 {
402 label->next = NULL;
403 label->size = compiler->size;
404 if (compiler->last_label)
405 compiler->last_label->next = label;
406 else
407 compiler->labels = label;
408 compiler->last_label = label;
409 }
410
411 static SLJIT_INLINE void set_jump(struct sljit_jump *jump, struct sljit_compiler *compiler, int flags)
412 {
413 jump->next = NULL;
414 jump->flags = flags;
415 if (compiler->last_jump)
416 compiler->last_jump->next = jump;
417 else
418 compiler->jumps = jump;
419 compiler->last_jump = jump;
420 }
421
422 static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_compiler *compiler)
423 {
424 const_->next = NULL;
425 const_->addr = compiler->size;
426 if (compiler->last_const)
427 compiler->last_const->next = const_;
428 else
429 compiler->consts = const_;
430 compiler->last_const = const_;
431 }
432
433 #define ADDRESSING_DEPENDS_ON(exp, reg) \
434 (((exp) & SLJIT_MEM) && (((exp) & 0xf) == reg || (((exp) >> 4) & 0xf) == reg))
435
436 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
437 #define FUNCTION_CHECK_OP() \
438 SLJIT_ASSERT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
439 switch (GET_OPCODE(op)) { \
440 case SLJIT_NOT: \
441 case SLJIT_CLZ: \
442 case SLJIT_AND: \
443 case SLJIT_OR: \
444 case SLJIT_XOR: \
445 case SLJIT_SHL: \
446 case SLJIT_LSHR: \
447 case SLJIT_ASHR: \
448 SLJIT_ASSERT(!(op & (SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C))); \
449 break; \
450 case SLJIT_NEG: \
451 SLJIT_ASSERT(!(op & (SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_C))); \
452 break; \
453 case SLJIT_MUL: \
454 SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_C))); \
455 break; \
456 case SLJIT_FCMP: \
457 SLJIT_ASSERT(!(op & (SLJIT_INT_OP | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
458 SLJIT_ASSERT((op & (SLJIT_SET_E | SLJIT_SET_S))); \
459 break; \
460 case SLJIT_ADD: \
461 SLJIT_ASSERT(!(op & (SLJIT_SET_S | SLJIT_SET_U))); \
462 break; \
463 case SLJIT_SUB: \
464 break; \
465 case SLJIT_ADDC: \
466 case SLJIT_SUBC: \
467 SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O))); \
468 break; \
469 default: \
470 /* Nothing allowed */ \
471 SLJIT_ASSERT(!(op & (SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
472 break; \
473 }
474
475 #define FUNCTION_CHECK_IS_REG(r) \
476 ((r) == SLJIT_UNUSED || (r) == SLJIT_LOCALS_REG || \
477 ((r) >= SLJIT_TEMPORARY_REG1 && (r) <= SLJIT_TEMPORARY_REG3 && (r) <= SLJIT_TEMPORARY_REG1 - 1 + compiler->temporaries) || \
478 ((r) >= SLJIT_GENERAL_REG1 && (r) <= SLJIT_GENERAL_REG3 && (r) <= SLJIT_GENERAL_REG1 - 1 + compiler->generals)) \
479
480 #define FUNCTION_CHECK_SRC(p, i) \
481 SLJIT_ASSERT(compiler->temporaries != -1 && compiler->generals != -1); \
482 if (((p) >= SLJIT_TEMPORARY_REG1 && (p) <= SLJIT_TEMPORARY_REG1 - 1 + compiler->temporaries) || \
483 ((p) >= SLJIT_GENERAL_REG1 && (p) <= SLJIT_GENERAL_REG1 - 1 + compiler->generals) || \
484 (p) == SLJIT_LOCALS_REG) \
485 SLJIT_ASSERT(i == 0); \
486 else if ((p) == SLJIT_IMM) \
487 ; \
488 else if ((p) & SLJIT_MEM) { \
489 SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & 0xf)); \
490 if ((p) & 0xf0) { \
491 SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(((p) >> 4) & 0xf)); \
492 SLJIT_ASSERT(((p) & 0xf0) != (SLJIT_LOCALS_REG << 4) && !(i & ~0x3)); \
493 } else \
494 SLJIT_ASSERT((((p) >> 4) & 0xf) == 0); \
495 SLJIT_ASSERT(((p) >> 9) == 0); \
496 } \
497 else \
498 SLJIT_ASSERT_STOP();
499
500 #define FUNCTION_CHECK_DST(p, i) \
501 SLJIT_ASSERT(compiler->temporaries != -1 && compiler->generals != -1); \
502 if (((p) >= SLJIT_TEMPORARY_REG1 && (p) <= SLJIT_TEMPORARY_REG1 - 1 + compiler->temporaries) || \
503 ((p) >= SLJIT_GENERAL_REG1 && (p) <= SLJIT_GENERAL_REG1 - 1 + compiler->generals) || \
504 (p) == SLJIT_UNUSED) \
505 SLJIT_ASSERT(i == 0); \
506 else if ((p) & SLJIT_MEM) { \
507 SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & 0xf)); \
508 if ((p) & 0xf0) { \
509 SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(((p) >> 4) & 0xf)); \
510 SLJIT_ASSERT(((p) & 0xf0) != (SLJIT_LOCALS_REG << 4) && !(i & ~0x3)); \
511 } else \
512 SLJIT_ASSERT((((p) >> 4) & 0xf) == 0); \
513 SLJIT_ASSERT(((p) >> 9) == 0); \
514 } \
515 else \
516 SLJIT_ASSERT_STOP();
517
518 #define FUNCTION_FCHECK(p, i) \
519 if ((p) >= SLJIT_FLOAT_REG1 && (p) <= SLJIT_FLOAT_REG4) \
520 SLJIT_ASSERT(i == 0); \
521 else if ((p) & SLJIT_MEM) { \
522 SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & 0xf)); \
523 if ((p) & 0xf0) { \
524 SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(((p) >> 4) & 0xf)); \
525 SLJIT_ASSERT(((p) & 0xf0) != (SLJIT_LOCALS_REG << 4) && !(i & ~0x3)); \
526 } else \
527 SLJIT_ASSERT((((p) >> 4) & 0xf) == 0); \
528 SLJIT_ASSERT(((p) >> 9) == 0); \
529 } \
530 else \
531 SLJIT_ASSERT_STOP();
532
533 #define FUNCTION_CHECK_OP1() \
534 if (GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_SI) { \
535 SLJIT_ASSERT(!GET_ALL_FLAGS(op)); \
536 } \
537 if (GET_OPCODE(op) >= SLJIT_MOVU && GET_OPCODE(op) <= SLJIT_MOVU_SI) { \
538 SLJIT_ASSERT(!(src & SLJIT_MEM) || (src & 0xf) != SLJIT_LOCALS_REG); \
539 SLJIT_ASSERT(!(dst & SLJIT_MEM) || (dst & 0xf) != SLJIT_LOCALS_REG); \
540 if ((src & SLJIT_MEM) && (src & 0xf)) \
541 SLJIT_ASSERT((dst & 0xf) != (src & 0xf) && ((dst >> 4) & 0xf) != (src & 0xf)); \
542 }
543
544 #endif
545
546 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
547
548 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
549 {
550 compiler->verbose = verbose;
551 }
552
553 static char* reg_names[] = {
554 (char*)"<noreg>", (char*)"tmp_r1", (char*)"tmp_r2", (char*)"tmp_r3",
555 (char*)"tmp_er1", (char*)"tmp_er2", (char*)"gen_r1", (char*)"gen_r2",
556 (char*)"gen_r3", (char*)"gen_er1", (char*)"gen_er2", (char*)"stack_r"
557 };
558
559 static char* freg_names[] = {
560 (char*)"<noreg>", (char*)"float_r1", (char*)"float_r2", (char*)"float_r3", (char*)"float_r4"
561 };
562
563 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
564 #ifdef _WIN64
565 #define SLJIT_PRINT_D "I64"
566 #else
567 #define SLJIT_PRINT_D "l"
568 #endif
569 #else
570 #define SLJIT_PRINT_D ""
571 #endif
572
573 #define sljit_verbose_param(p, i) \
574 if ((p) & SLJIT_IMM) \
575 fprintf(compiler->verbose, "#%"SLJIT_PRINT_D"d", (i)); \
576 else if ((p) & SLJIT_MEM) { \
577 if ((p) & 0xf) { \
578 if (i) { \
579 if (((p) >> 4) & 0xf) \
580 fprintf(compiler->verbose, "[%s + %s * %d]", reg_names[(p) & 0xF], reg_names[((p) >> 4)& 0xF], 1 << (i)); \
581 else \
582 fprintf(compiler->verbose, "[%s + #%"SLJIT_PRINT_D"d]", reg_names[(p) & 0xF], (i)); \
583 } \
584 else { \
585 if (((p) >> 4) & 0xf) \
586 fprintf(compiler->verbose, "[%s + %s]", reg_names[(p) & 0xF], reg_names[((p) >> 4)& 0xF]); \
587 else \
588 fprintf(compiler->verbose, "[%s]", reg_names[(p) & 0xF]); \
589 } \
590 } \
591 else \
592 fprintf(compiler->verbose, "[#%"SLJIT_PRINT_D"d]", (i)); \
593 } else \
594 fprintf(compiler->verbose, "%s", reg_names[p]);
595 #define sljit_verbose_fparam(p, i) \
596 if ((p) & SLJIT_MEM) { \
597 if ((p) & 0xf) { \
598 if (i) { \
599 if (((p) >> 4) & 0xf) \
600 fprintf(compiler->verbose, "[%s + %s * %d]", reg_names[(p) & 0xF], reg_names[((p) >> 4)& 0xF], 1 << (i)); \
601 else \
602 fprintf(compiler->verbose, "[%s + #%"SLJIT_PRINT_D"d]", reg_names[(p) & 0xF], (i)); \
603 } \
604 else { \
605 if (((p) >> 4) & 0xF) \
606 fprintf(compiler->verbose, "[%s + %s]", reg_names[(p) & 0xF], reg_names[((p) >> 4)& 0xF]); \
607 else \
608 fprintf(compiler->verbose, "[%s]", reg_names[(p) & 0xF]); \
609 } \
610 } \
611 else \
612 fprintf(compiler->verbose, "[#%"SLJIT_PRINT_D"d]", (i)); \
613 } else \
614 fprintf(compiler->verbose, "%s", freg_names[p]);
615
616 static SLJIT_CONST char* op_names[] = {
617 /* op0 */
618 (char*)"breakpoint", (char*)"nop",
619 /* op1 */
620 (char*)"mov", (char*)"mov.ub", (char*)"mov.sb", (char*)"mov.uh",
621 (char*)"mov.sh", (char*)"mov.ui", (char*)"mov.si", (char*)"movu",
622 (char*)"movu.ub", (char*)"movu.sb", (char*)"movu.uh", (char*)"movu.sh",
623 (char*)"movu.ui", (char*)"movu.si", (char*)"not", (char*)"neg",
624 (char*)"clz",
625 /* op2 */
626 (char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
627 (char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
628 (char*)"shl", (char*)"lshr", (char*)"ashr",
629 /* fop1 */
630 (char*)"fcmp", (char*)"fmov", (char*)"fneg", (char*)"fabs",
631 /* fop2 */
632 (char*)"fadd", (char*)"fsub", (char*)"fmul", (char*)"fdiv"
633 };
634
635 static char* jump_names[] = {
636 (char*)"c_equal", (char*)"c_not_equal",
637 (char*)"c_less", (char*)"c_greater_equal",
638 (char*)"c_greater", (char*)"c_less_equal",
639 (char*)"c_sig_less", (char*)"c_sig_greater_equal",
640 (char*)"c_sig_greater", (char*)"c_sig_less_equal",
641 (char*)"c_overflow", (char*)"c_not_overflow",
642 (char*)"c_mul_overflow", (char*)"c_mul_not_overflow",
643 (char*)"c_float_equal", (char*)"c_float_not_equal",
644 (char*)"c_float_less", (char*)"c_float_greater_equal",
645 (char*)"c_float_greater", (char*)"c_float_less_equal",
646 (char*)"c_float_nan", (char*)"c_float_not_nan",
647 (char*)"jump", (char*)"fast_call",
648 (char*)"call0", (char*)"call1", (char*)"call2", (char*)"call3"
649 };
650
651 #endif
652
653 /* --------------------------------------------------------------------- */
654 /* Arch dependent */
655 /* --------------------------------------------------------------------- */
656
657 static SLJIT_INLINE void check_sljit_generate_code(struct sljit_compiler *compiler)
658 {
659 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
660 struct sljit_jump *jump;
661 #endif
662 /* If debug and verbose are disabled, all arguments are unused. */
663 SLJIT_UNUSED_ARG(compiler);
664
665 SLJIT_ASSERT(compiler->size > 0);
666 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
667 jump = compiler->jumps;
668 while (jump) {
669 /* All jumps have target. */
670 SLJIT_ASSERT(jump->flags & (JUMP_LABEL | JUMP_ADDR));
671 jump = jump->next;
672 }
673 #endif
674 }
675
676 static SLJIT_INLINE void check_sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
677 {
678 /* If debug and verbose are disabled, all arguments are unused. */
679 SLJIT_UNUSED_ARG(compiler);
680 SLJIT_UNUSED_ARG(args);
681 SLJIT_UNUSED_ARG(temporaries);
682 SLJIT_UNUSED_ARG(generals);
683 SLJIT_UNUSED_ARG(local_size);
684
685 SLJIT_ASSERT(args >= 0 && args <= 3);
686 SLJIT_ASSERT(temporaries >= 0 && temporaries <= SLJIT_NO_TMP_REGISTERS);
687 SLJIT_ASSERT(generals >= 0 && generals <= SLJIT_NO_GEN_REGISTERS);
688 SLJIT_ASSERT(args <= generals);
689 SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
690 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
691 if (SLJIT_UNLIKELY(!!compiler->verbose))
692 fprintf(compiler->verbose, " enter args=%d temporaries=%d generals=%d local_size=%d\n", args, temporaries, generals, local_size);
693 #endif
694 }
695
696 static SLJIT_INLINE void check_sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
697 {
698 /* If debug and verbose are disabled, all arguments are unused. */
699 SLJIT_UNUSED_ARG(compiler);
700 SLJIT_UNUSED_ARG(args);
701 SLJIT_UNUSED_ARG(temporaries);
702 SLJIT_UNUSED_ARG(generals);
703 SLJIT_UNUSED_ARG(local_size);
704
705 SLJIT_ASSERT(args >= 0 && args <= 3);
706 SLJIT_ASSERT(temporaries >= 0 && temporaries <= SLJIT_NO_TMP_REGISTERS);
707 SLJIT_ASSERT(generals >= 0 && generals <= SLJIT_NO_GEN_REGISTERS);
708 SLJIT_ASSERT(args <= generals);
709 SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
710 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
711 if (SLJIT_UNLIKELY(!!compiler->verbose))
712 fprintf(compiler->verbose, " fake_enter args=%d temporaries=%d generals=%d local_size=%d\n", args, temporaries, generals, local_size);
713 #endif
714 }
715
716 static SLJIT_INLINE void check_sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
717 {
718 /* If debug and verbose are disabled, all arguments are unused. */
719 SLJIT_UNUSED_ARG(compiler);
720 SLJIT_UNUSED_ARG(src);
721 SLJIT_UNUSED_ARG(srcw);
722
723 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
724 if (src != SLJIT_UNUSED) {
725 FUNCTION_CHECK_SRC(src, srcw);
726 }
727 else
728 SLJIT_ASSERT(srcw == 0);
729 #endif
730 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
731 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
732 fprintf(compiler->verbose, " return ");
733 sljit_verbose_param(src, srcw);
734 fprintf(compiler->verbose, "\n");
735 }
736 #endif
737 }
738
739 static SLJIT_INLINE void check_sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int generals, int local_size)
740 {
741 /* If debug and verbose are disabled, all arguments are unused. */
742 SLJIT_UNUSED_ARG(compiler);
743 SLJIT_UNUSED_ARG(dst);
744 SLJIT_UNUSED_ARG(dstw);
745 SLJIT_UNUSED_ARG(args);
746 SLJIT_UNUSED_ARG(temporaries);
747 SLJIT_UNUSED_ARG(generals);
748 SLJIT_UNUSED_ARG(local_size);
749
750 SLJIT_ASSERT(args >= 0 && args <= 3);
751 SLJIT_ASSERT(temporaries >= 0 && temporaries <= SLJIT_NO_TMP_REGISTERS);
752 SLJIT_ASSERT(generals >= 0 && generals <= SLJIT_NO_GEN_REGISTERS);
753 SLJIT_ASSERT(args <= generals);
754 SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
755 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
756 compiler->temporaries = temporaries;
757 compiler->generals = generals;
758 FUNCTION_CHECK_DST(dst, dstw);
759 compiler->temporaries = -1;
760 compiler->generals = -1;
761 #endif
762 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
763 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
764 fprintf(compiler->verbose, " fast_enter ");
765 sljit_verbose_param(dst, dstw);
766 fprintf(compiler->verbose, " args=%d temporaries=%d generals=%d local_size=%d\n", args, temporaries, generals, local_size);
767 }
768 #endif
769 }
770
771 static SLJIT_INLINE void check_sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
772 {
773 /* If debug and verbose are disabled, all arguments are unused. */
774 SLJIT_UNUSED_ARG(compiler);
775 SLJIT_UNUSED_ARG(src);
776 SLJIT_UNUSED_ARG(srcw);
777
778 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
779 FUNCTION_CHECK_SRC(src, srcw);
780 #endif
781 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
782 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
783 fprintf(compiler->verbose, " fast_return ");
784 sljit_verbose_param(src, srcw);
785 fprintf(compiler->verbose, "\n");
786 }
787 #endif
788 }
789
790 static SLJIT_INLINE void check_sljit_emit_op0(struct sljit_compiler *compiler, int op)
791 {
792 /* If debug and verbose are disabled, all arguments are unused. */
793 SLJIT_UNUSED_ARG(compiler);
794 SLJIT_UNUSED_ARG(op);
795
796 SLJIT_ASSERT(op >= SLJIT_BREAKPOINT && op <= SLJIT_NOP);
797 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
798 if (SLJIT_UNLIKELY(!!compiler->verbose))
799 fprintf(compiler->verbose, " %s\n", op_names[op]);
800 #endif
801 }
802
803 static SLJIT_INLINE void check_sljit_emit_op1(struct sljit_compiler *compiler, int op,
804 int dst, sljit_w dstw,
805 int src, sljit_w srcw)
806 {
807 /* If debug and verbose are disabled, all arguments are unused. */
808 SLJIT_UNUSED_ARG(compiler);
809 SLJIT_UNUSED_ARG(op);
810 SLJIT_UNUSED_ARG(dst);
811 SLJIT_UNUSED_ARG(dstw);
812 SLJIT_UNUSED_ARG(src);
813 SLJIT_UNUSED_ARG(srcw);
814
815 SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_CLZ);
816 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
817 FUNCTION_CHECK_OP();
818 FUNCTION_CHECK_SRC(src, srcw);
819 FUNCTION_CHECK_DST(dst, dstw);
820 FUNCTION_CHECK_OP1();
821 #endif
822 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
823 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
824 fprintf(compiler->verbose, " %s%s%s%s%s%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i", op_names[GET_OPCODE(op)],
825 !(op & SLJIT_SET_E) ? "" : "E", !(op & SLJIT_SET_S) ? "" : "S", !(op & SLJIT_SET_U) ? "" : "U", !(op & SLJIT_SET_O) ? "" : "O", !(op & SLJIT_SET_C) ? "" : "C", !(op & SLJIT_KEEP_FLAGS) ? "" : "K");
826 sljit_verbose_param(dst, dstw);
827 fprintf(compiler->verbose, ", ");
828 sljit_verbose_param(src, srcw);
829 fprintf(compiler->verbose, "\n");
830 }
831 #endif
832 }
833
834 static SLJIT_INLINE void check_sljit_emit_op2(struct sljit_compiler *compiler, int op,
835 int dst, sljit_w dstw,
836 int src1, sljit_w src1w,
837 int src2, sljit_w src2w)
838 {
839 /* If debug and verbose are disabled, all arguments are unused. */
840 SLJIT_UNUSED_ARG(compiler);
841 SLJIT_UNUSED_ARG(op);
842 SLJIT_UNUSED_ARG(dst);
843 SLJIT_UNUSED_ARG(dstw);
844 SLJIT_UNUSED_ARG(src1);
845 SLJIT_UNUSED_ARG(src1w);
846 SLJIT_UNUSED_ARG(src2);
847 SLJIT_UNUSED_ARG(src2w);
848
849 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
850 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
851 compiler->skip_checks = 0;
852 return;
853 }
854 #endif
855
856 SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_ADD && GET_OPCODE(op) <= SLJIT_ASHR);
857 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
858 FUNCTION_CHECK_OP();
859 FUNCTION_CHECK_SRC(src1, src1w);
860 FUNCTION_CHECK_SRC(src2, src2w);
861 FUNCTION_CHECK_DST(dst, dstw);
862 #endif
863 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
864 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
865 fprintf(compiler->verbose, " %s%s%s%s%s%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i", op_names[GET_OPCODE(op)],
866 !(op & SLJIT_SET_E) ? "" : "E", !(op & SLJIT_SET_S) ? "" : "S", !(op & SLJIT_SET_U) ? "" : "U", !(op & SLJIT_SET_O) ? "" : "O", !(op & SLJIT_SET_C) ? "" : "C", !(op & SLJIT_KEEP_FLAGS) ? "" : "K");
867 sljit_verbose_param(dst, dstw);
868 fprintf(compiler->verbose, ", ");
869 sljit_verbose_param(src1, src1w);
870 fprintf(compiler->verbose, ", ");
871 sljit_verbose_param(src2, src2w);
872 fprintf(compiler->verbose, "\n");
873 }
874 #endif
875 }
876
877 static SLJIT_INLINE void check_sljit_get_register_index(int reg)
878 {
879 SLJIT_UNUSED_ARG(reg);
880 SLJIT_ASSERT(reg > 0 && reg <= SLJIT_NO_REGISTERS);
881 }
882
883 static SLJIT_INLINE void check_sljit_emit_op_custom(struct sljit_compiler *compiler,
884 void *instruction, int size)
885 {
886 SLJIT_UNUSED_ARG(compiler);
887 SLJIT_UNUSED_ARG(instruction);
888 SLJIT_UNUSED_ARG(size);
889 SLJIT_ASSERT(instruction);
890 }
891
892 static SLJIT_INLINE void check_sljit_emit_fop1(struct sljit_compiler *compiler, int op,
893 int dst, sljit_w dstw,
894 int src, sljit_w srcw)
895 {
896 /* If debug and verbose are disabled, all arguments are unused. */
897 SLJIT_UNUSED_ARG(compiler);
898 SLJIT_UNUSED_ARG(op);
899 SLJIT_UNUSED_ARG(dst);
900 SLJIT_UNUSED_ARG(dstw);
901 SLJIT_UNUSED_ARG(src);
902 SLJIT_UNUSED_ARG(srcw);
903
904 SLJIT_ASSERT(sljit_is_fpu_available());
905 SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_FCMP && GET_OPCODE(op) <= SLJIT_FABS);
906 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
907 FUNCTION_CHECK_OP();
908 FUNCTION_FCHECK(src, srcw);
909 FUNCTION_FCHECK(dst, dstw);
910 #endif
911 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
912 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
913 fprintf(compiler->verbose, " %s%s%s ", op_names[GET_OPCODE(op)],
914 !(op & SLJIT_SET_E) ? "" : "E", !(op & SLJIT_SET_S) ? "" : "S");
915 sljit_verbose_fparam(dst, dstw);
916 fprintf(compiler->verbose, ", ");
917 sljit_verbose_fparam(src, srcw);
918 fprintf(compiler->verbose, "\n");
919 }
920 #endif
921 }
922
923 static SLJIT_INLINE void check_sljit_emit_fop2(struct sljit_compiler *compiler, int op,
924 int dst, sljit_w dstw,
925 int src1, sljit_w src1w,
926 int src2, sljit_w src2w)
927 {
928 /* If debug and verbose are disabled, all arguments are unused. */
929 SLJIT_UNUSED_ARG(compiler);
930 SLJIT_UNUSED_ARG(op);
931 SLJIT_UNUSED_ARG(dst);
932 SLJIT_UNUSED_ARG(dstw);
933 SLJIT_UNUSED_ARG(src1);
934 SLJIT_UNUSED_ARG(src1w);
935 SLJIT_UNUSED_ARG(src2);
936 SLJIT_UNUSED_ARG(src2w);
937
938 SLJIT_ASSERT(sljit_is_fpu_available());
939 SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_FADD && GET_OPCODE(op) <= SLJIT_FDIV);
940 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
941 FUNCTION_CHECK_OP();
942 FUNCTION_FCHECK(src1, src1w);
943 FUNCTION_FCHECK(src2, src2w);
944 FUNCTION_FCHECK(dst, dstw);
945 #endif
946 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
947 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
948 fprintf(compiler->verbose, " %s ", op_names[GET_OPCODE(op)]);
949 sljit_verbose_fparam(dst, dstw);
950 fprintf(compiler->verbose, ", ");
951 sljit_verbose_fparam(src1, src1w);
952 fprintf(compiler->verbose, ", ");
953 sljit_verbose_fparam(src2, src2w);
954 fprintf(compiler->verbose, "\n");
955 }
956 #endif
957 }
958
959 static SLJIT_INLINE void check_sljit_emit_label(struct sljit_compiler *compiler)
960 {
961 /* If debug and verbose are disabled, all arguments are unused. */
962 SLJIT_UNUSED_ARG(compiler);
963
964 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
965 if (SLJIT_UNLIKELY(!!compiler->verbose))
966 fprintf(compiler->verbose, "label:\n");
967 #endif
968 }
969
970 static SLJIT_INLINE void check_sljit_emit_jump(struct sljit_compiler *compiler, int type)
971 {
972 /* If debug and verbose are disabled, all arguments are unused. */
973 SLJIT_UNUSED_ARG(compiler);
974 SLJIT_UNUSED_ARG(type);
975
976 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
977 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
978 compiler->skip_checks = 0;
979 return;
980 }
981 #endif
982
983 SLJIT_ASSERT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP)));
984 SLJIT_ASSERT((type & 0xff) >= SLJIT_C_EQUAL && (type & 0xff) <= SLJIT_CALL3);
985 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
986 if (SLJIT_UNLIKELY(!!compiler->verbose))
987 fprintf(compiler->verbose, " jump%s <%s>\n", !(type & SLJIT_REWRITABLE_JUMP) ? "" : "R", jump_names[type & 0xff]);
988 #endif
989 }
990
991 static SLJIT_INLINE void check_sljit_emit_cmp(struct sljit_compiler *compiler, int type,
992 int src1, sljit_w src1w,
993 int src2, sljit_w src2w)
994 {
995 SLJIT_UNUSED_ARG(compiler);
996 SLJIT_UNUSED_ARG(type);
997 SLJIT_UNUSED_ARG(src1);
998 SLJIT_UNUSED_ARG(src1w);
999 SLJIT_UNUSED_ARG(src2);
1000 SLJIT_UNUSED_ARG(src2w);
1001
1002 SLJIT_ASSERT(!(type & ~(0xff | SLJIT_INT_OP | SLJIT_REWRITABLE_JUMP)));
1003 SLJIT_ASSERT((type & 0xff) >= SLJIT_C_EQUAL && (type & 0xff) <= SLJIT_C_SIG_LESS_EQUAL);
1004 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1005 FUNCTION_CHECK_SRC(src1, src1w);
1006 FUNCTION_CHECK_SRC(src2, src2w);
1007 #endif
1008 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1009 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1010 fprintf(compiler->verbose, " %scmp%s <%s> ", !(type & SLJIT_INT_OP) ? "" : "i", !(type & SLJIT_REWRITABLE_JUMP) ? "" : "R", jump_names[type & 0xff]);
1011 sljit_verbose_param(src1, src1w);
1012 fprintf(compiler->verbose, ", ");
1013 sljit_verbose_param(src2, src2w);
1014 fprintf(compiler->verbose, "\n");
1015 }
1016 #endif
1017 }
1018
1019 static SLJIT_INLINE void check_sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw)
1020 {
1021 /* If debug and verbose are disabled, all arguments are unused. */
1022 SLJIT_UNUSED_ARG(compiler);
1023 SLJIT_UNUSED_ARG(type);
1024 SLJIT_UNUSED_ARG(src);
1025 SLJIT_UNUSED_ARG(srcw);
1026
1027 SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
1028 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1029 FUNCTION_CHECK_SRC(src, srcw);
1030 #endif
1031 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1032 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1033 fprintf(compiler->verbose, " ijump <%s> ", jump_names[type]);
1034 sljit_verbose_param(src, srcw);
1035 fprintf(compiler->verbose, "\n");
1036 }
1037 #endif
1038 }
1039
1040 static SLJIT_INLINE void check_sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type)
1041 {
1042 /* If debug and verbose are disabled, all arguments are unused. */
1043 SLJIT_UNUSED_ARG(compiler);
1044 SLJIT_UNUSED_ARG(op);
1045 SLJIT_UNUSED_ARG(dst);
1046 SLJIT_UNUSED_ARG(dstw);
1047 SLJIT_UNUSED_ARG(type);
1048
1049 SLJIT_ASSERT(type >= SLJIT_C_EQUAL && type < SLJIT_JUMP);
1050 SLJIT_ASSERT(op == SLJIT_MOV || GET_OPCODE(op) == SLJIT_OR);
1051 SLJIT_ASSERT(GET_ALL_FLAGS(op) == 0 || GET_ALL_FLAGS(op) == SLJIT_SET_E || GET_ALL_FLAGS(op) == SLJIT_KEEP_FLAGS);
1052 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1053 FUNCTION_CHECK_DST(dst, dstw);
1054 #endif
1055 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1056 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1057 fprintf(compiler->verbose, " cond_set%s%s <%s> ", !(op & SLJIT_SET_E) ? "" : "E",
1058 !(op & SLJIT_KEEP_FLAGS) ? "" : "K", op_names[GET_OPCODE(op)]);
1059 sljit_verbose_param(dst, dstw);
1060 fprintf(compiler->verbose, ", <%s>\n", jump_names[type]);
1061 }
1062 #endif
1063 }
1064
1065 static SLJIT_INLINE void check_sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w init_value)
1066 {
1067 /* If debug and verbose are disabled, all arguments are unused. */
1068 SLJIT_UNUSED_ARG(compiler);
1069 SLJIT_UNUSED_ARG(dst);
1070 SLJIT_UNUSED_ARG(dstw);
1071 SLJIT_UNUSED_ARG(init_value);
1072
1073 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1074 FUNCTION_CHECK_DST(dst, dstw);
1075 #endif
1076 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1077 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1078 fprintf(compiler->verbose, " const ");
1079 sljit_verbose_param(dst, dstw);
1080 fprintf(compiler->verbose, ", #%"SLJIT_PRINT_D"d\n", init_value);
1081 }
1082 #endif
1083 }
1084
1085 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
1086 #include "sljitNativeX86_common.c"
1087 #elif (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
1088 #include "sljitNativeX86_common.c"
1089 #elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
1090 #include "sljitNativeARM_v5.c"
1091 #elif (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
1092 #include "sljitNativeARM_v5.c"
1093 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
1094 #include "sljitNativeARM_Thumb2.c"
1095 #elif (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
1096 #include "sljitNativePPC_common.c"
1097 #elif (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
1098 #include "sljitNativePPC_common.c"
1099 #elif (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
1100 #include "sljitNativeMIPS_common.c"
1101 #endif
1102
1103 #if !(defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
1104 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, int type,
1105 int src1, sljit_w src1w,
1106 int src2, sljit_w src2w)
1107 {
1108 /* Default compare for most architectures. */
1109 int flags, tmp_src, condition;
1110 sljit_w tmp_srcw;
1111
1112 CHECK_ERROR_PTR();
1113 check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w);
1114
1115 condition = type & 0xff;
1116 if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
1117 /* Immediate is prefered as second argument by most architectures. */
1118 switch (condition) {
1119 case SLJIT_C_LESS:
1120 condition = SLJIT_C_GREATER;
1121 break;
1122 case SLJIT_C_GREATER_EQUAL:
1123 condition = SLJIT_C_LESS_EQUAL;
1124 break;
1125 case SLJIT_C_GREATER:
1126 condition = SLJIT_C_LESS;
1127 break;
1128 case SLJIT_C_LESS_EQUAL:
1129 condition = SLJIT_C_GREATER_EQUAL;
1130 break;
1131 case SLJIT_C_SIG_LESS:
1132 condition = SLJIT_C_SIG_GREATER;
1133 break;
1134 case SLJIT_C_SIG_GREATER_EQUAL:
1135 condition = SLJIT_C_SIG_LESS_EQUAL;
1136 break;
1137 case SLJIT_C_SIG_GREATER:
1138 condition = SLJIT_C_SIG_LESS;
1139 break;
1140 case SLJIT_C_SIG_LESS_EQUAL:
1141 condition = SLJIT_C_SIG_GREATER_EQUAL;
1142 break;
1143 }
1144 type = condition | (type & (SLJIT_INT_OP | SLJIT_REWRITABLE_JUMP));
1145 tmp_src = src1;
1146 src1 = src2;
1147 src2 = tmp_src;
1148 tmp_srcw = src1w;
1149 src1w = src2w;
1150 src2w = tmp_srcw;
1151 }
1152
1153 if (condition <= SLJIT_C_NOT_ZERO)
1154 flags = SLJIT_SET_E;
1155 else if (condition <= SLJIT_C_LESS_EQUAL)
1156 flags = SLJIT_SET_U;
1157 else
1158 flags = SLJIT_SET_S;
1159
1160 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1161 compiler->skip_checks = 1;
1162 #endif
1163 PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_INT_OP),
1164 SLJIT_UNUSED, 0, src1, src1w, src2, src2w));
1165 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1166 compiler->skip_checks = 1;
1167 #endif
1168 return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
1169 }
1170 #endif
1171
1172 #else /* SLJIT_CONFIG_UNSUPPORTED */
1173
1174 /* Empty function bodies for those machines, which are not (yet) supported. */
1175
1176 SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name()
1177 {
1178 return "unsupported";
1179 }
1180
1181 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
1182 {
1183 SLJIT_ASSERT_STOP();
1184 return NULL;
1185 }
1186
1187 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
1188 {
1189 SLJIT_UNUSED_ARG(compiler);
1190 SLJIT_ASSERT_STOP();
1191 }
1192
1193 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, int size)
1194 {
1195 SLJIT_UNUSED_ARG(compiler);
1196 SLJIT_UNUSED_ARG(size);
1197 SLJIT_ASSERT_STOP();
1198 return NULL;
1199 }
1200
1201 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1202 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
1203 {
1204 SLJIT_UNUSED_ARG(compiler);
1205 SLJIT_UNUSED_ARG(verbose);
1206 SLJIT_ASSERT_STOP();
1207 }
1208 #endif
1209
1210 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
1211 {
1212 SLJIT_UNUSED_ARG(compiler);
1213 SLJIT_ASSERT_STOP();
1214 return NULL;
1215 }
1216
1217 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
1218 {
1219 SLJIT_UNUSED_ARG(code);
1220 SLJIT_ASSERT_STOP();
1221 }
1222
1223 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
1224 {
1225 SLJIT_UNUSED_ARG(compiler);
1226 SLJIT_UNUSED_ARG(args);
1227 SLJIT_UNUSED_ARG(temporaries);
1228 SLJIT_UNUSED_ARG(generals);
1229 SLJIT_UNUSED_ARG(local_size);
1230 SLJIT_ASSERT_STOP();
1231 return SLJIT_ERR_UNSUPPORTED;
1232 }
1233
1234 SLJIT_API_FUNC_ATTRIBUTE void sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
1235 {
1236 SLJIT_UNUSED_ARG(compiler);
1237 SLJIT_UNUSED_ARG(args);
1238 SLJIT_UNUSED_ARG(temporaries);
1239 SLJIT_UNUSED_ARG(generals);
1240 SLJIT_UNUSED_ARG(local_size);
1241 SLJIT_ASSERT_STOP();
1242 }
1243
1244 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
1245 {
1246 SLJIT_UNUSED_ARG(compiler);
1247 SLJIT_UNUSED_ARG(src);
1248 SLJIT_UNUSED_ARG(srcw);
1249 SLJIT_ASSERT_STOP();
1250 return SLJIT_ERR_UNSUPPORTED;
1251 }
1252
1253 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int generals, int local_size)
1254 {
1255 SLJIT_UNUSED_ARG(compiler);
1256 SLJIT_UNUSED_ARG(dst);
1257 SLJIT_UNUSED_ARG(dstw);
1258 SLJIT_UNUSED_ARG(args);
1259 SLJIT_UNUSED_ARG(temporaries);
1260 SLJIT_UNUSED_ARG(generals);
1261 SLJIT_UNUSED_ARG(local_size);
1262 SLJIT_ASSERT_STOP();
1263 return SLJIT_ERR_UNSUPPORTED;
1264 }
1265
1266 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
1267 {
1268 SLJIT_UNUSED_ARG(compiler);
1269 SLJIT_UNUSED_ARG(src);
1270 SLJIT_UNUSED_ARG(srcw);
1271 SLJIT_ASSERT_STOP();
1272 return SLJIT_ERR_UNSUPPORTED;
1273 }
1274
1275 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op0(struct sljit_compiler *compiler, int op)
1276 {
1277 SLJIT_UNUSED_ARG(compiler);
1278 SLJIT_UNUSED_ARG(op);
1279 SLJIT_ASSERT_STOP();
1280 return SLJIT_ERR_UNSUPPORTED;
1281 }
1282
1283 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op,
1284 int dst, sljit_w dstw,
1285 int src, sljit_w srcw)
1286 {
1287 SLJIT_UNUSED_ARG(compiler);
1288 SLJIT_UNUSED_ARG(op);
1289 SLJIT_UNUSED_ARG(dst);
1290 SLJIT_UNUSED_ARG(dstw);
1291 SLJIT_UNUSED_ARG(src);
1292 SLJIT_UNUSED_ARG(srcw);
1293 SLJIT_ASSERT_STOP();
1294 return SLJIT_ERR_UNSUPPORTED;
1295 }
1296
1297 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op,
1298 int dst, sljit_w dstw,
1299 int src1, sljit_w src1w,
1300 int src2, sljit_w src2w)
1301 {
1302 SLJIT_UNUSED_ARG(compiler);
1303 SLJIT_UNUSED_ARG(op);
1304 SLJIT_UNUSED_ARG(dst);
1305 SLJIT_UNUSED_ARG(dstw);
1306 SLJIT_UNUSED_ARG(src1);
1307 SLJIT_UNUSED_ARG(src1w);
1308 SLJIT_UNUSED_ARG(src2);
1309 SLJIT_UNUSED_ARG(src2w);
1310 SLJIT_ASSERT_STOP();
1311 return SLJIT_ERR_UNSUPPORTED;
1312 }
1313
1314 SLJIT_API_FUNC_ATTRIBUTE int sljit_is_fpu_available(void)
1315 {
1316 SLJIT_ASSERT_STOP();
1317 return 0;
1318 }
1319
1320 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op,
1321 int dst, sljit_w dstw,
1322 int src, sljit_w srcw)
1323 {
1324 SLJIT_UNUSED_ARG(compiler);
1325 SLJIT_UNUSED_ARG(op);
1326 SLJIT_UNUSED_ARG(dst);
1327 SLJIT_UNUSED_ARG(dstw);
1328 SLJIT_UNUSED_ARG(src);
1329 SLJIT_UNUSED_ARG(srcw);
1330 SLJIT_ASSERT_STOP();
1331 return SLJIT_ERR_UNSUPPORTED;
1332 }
1333
1334 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op,
1335 int dst, sljit_w dstw,
1336 int src1, sljit_w src1w,
1337 int src2, sljit_w src2w)
1338 {
1339 SLJIT_UNUSED_ARG(compiler);
1340 SLJIT_UNUSED_ARG(op);
1341 SLJIT_UNUSED_ARG(dst);
1342 SLJIT_UNUSED_ARG(dstw);
1343 SLJIT_UNUSED_ARG(src1);
1344 SLJIT_UNUSED_ARG(src1w);
1345 SLJIT_UNUSED_ARG(src2);
1346 SLJIT_UNUSED_ARG(src2w);
1347 SLJIT_ASSERT_STOP();
1348 return SLJIT_ERR_UNSUPPORTED;
1349 }
1350
1351 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1352 {
1353 SLJIT_UNUSED_ARG(compiler);
1354 SLJIT_ASSERT_STOP();
1355 return NULL;
1356 }
1357
1358 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, int type)
1359 {
1360 SLJIT_UNUSED_ARG(compiler);
1361 SLJIT_UNUSED_ARG(type);
1362 SLJIT_ASSERT_STOP();
1363 return NULL;
1364 }
1365
1366 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, int type,
1367 int src1, sljit_w src1w,
1368 int src2, sljit_w src2w)
1369 {
1370 SLJIT_UNUSED_ARG(compiler);
1371 SLJIT_UNUSED_ARG(type);
1372 SLJIT_UNUSED_ARG(src1);
1373 SLJIT_UNUSED_ARG(src1w);
1374 SLJIT_UNUSED_ARG(src2);
1375 SLJIT_UNUSED_ARG(src2w);
1376 SLJIT_ASSERT_STOP();
1377 return NULL;
1378 }
1379
1380 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
1381 {
1382 SLJIT_UNUSED_ARG(jump);
1383 SLJIT_UNUSED_ARG(label);
1384 SLJIT_ASSERT_STOP();
1385 }
1386
1387 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
1388 {
1389 SLJIT_UNUSED_ARG(jump);
1390 SLJIT_UNUSED_ARG(target);
1391 SLJIT_ASSERT_STOP();
1392 }
1393
1394 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw)
1395 {
1396 SLJIT_UNUSED_ARG(compiler);
1397 SLJIT_UNUSED_ARG(type);
1398 SLJIT_UNUSED_ARG(src);
1399 SLJIT_UNUSED_ARG(srcw);
1400 SLJIT_ASSERT_STOP();
1401 return SLJIT_ERR_UNSUPPORTED;
1402 }
1403
1404 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type)
1405 {
1406 SLJIT_UNUSED_ARG(compiler);
1407 SLJIT_UNUSED_ARG(op);
1408 SLJIT_UNUSED_ARG(dst);
1409 SLJIT_UNUSED_ARG(dstw);
1410 SLJIT_UNUSED_ARG(type);
1411 SLJIT_ASSERT_STOP();
1412 return SLJIT_ERR_UNSUPPORTED;
1413 }
1414
1415 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w initval)
1416 {
1417 SLJIT_UNUSED_ARG(compiler);
1418 SLJIT_UNUSED_ARG(dst);
1419 SLJIT_UNUSED_ARG(dstw);
1420 SLJIT_UNUSED_ARG(initval);
1421 SLJIT_ASSERT_STOP();
1422 return NULL;
1423 }
1424
1425 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
1426 {
1427 SLJIT_UNUSED_ARG(addr);
1428 SLJIT_UNUSED_ARG(new_addr);
1429 SLJIT_ASSERT_STOP();
1430 }
1431
1432 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_w new_constant)
1433 {
1434 SLJIT_UNUSED_ARG(addr);
1435 SLJIT_UNUSED_ARG(new_constant);
1436 SLJIT_ASSERT_STOP();
1437 }
1438
1439 #endif

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