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 FAIL_IF(expr) \
42 do { \
43 if (SLJIT_UNLIKELY(expr)) \
44 return compiler->error; \
45 } while (0)
46
47 #define PTR_FAIL_IF(expr) \
48 do { \
49 if (SLJIT_UNLIKELY(expr)) \
50 return NULL; \
51 } while (0)
52
53 #define FAIL_IF_NULL(ptr) \
54 do { \
55 if (SLJIT_UNLIKELY(!(ptr))) { \
56 compiler->error = SLJIT_ERR_ALLOC_FAILED; \
57 return SLJIT_ERR_ALLOC_FAILED; \
58 } \
59 } while (0)
60
61 #define PTR_FAIL_IF_NULL(ptr) \
62 do { \
63 if (SLJIT_UNLIKELY(!(ptr))) { \
64 compiler->error = SLJIT_ERR_ALLOC_FAILED; \
65 return NULL; \
66 } \
67 } while (0)
68
69 #define PTR_FAIL_WITH_EXEC_IF(ptr) \
70 do { \
71 if (SLJIT_UNLIKELY(!(ptr))) { \
72 compiler->error = SLJIT_ERR_EX_ALLOC_FAILED; \
73 return NULL; \
74 } \
75 } while (0)
76
77 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
78
79 #define GET_OPCODE(op) \
80 ((op) & ~(SLJIT_I32_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
81
82 #define GET_FLAGS(op) \
83 ((op) & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C))
84
85 #define GET_ALL_FLAGS(op) \
86 ((op) & (SLJIT_I32_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
87
88 #define TYPE_CAST_NEEDED(op) \
89 (((op) >= SLJIT_MOV_U8 && (op) <= SLJIT_MOV_S16) || ((op) >= SLJIT_MOVU_U8 && (op) <= SLJIT_MOVU_S16))
90
91 #define BUF_SIZE 4096
92
93 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
94 #define ABUF_SIZE 2048
95 #else
96 #define ABUF_SIZE 4096
97 #endif
98
99 /* Parameter parsing. */
100 #define REG_MASK 0x3f
101 #define OFFS_REG(reg) (((reg) >> 8) & REG_MASK)
102 #define OFFS_REG_MASK (REG_MASK << 8)
103 #define TO_OFFS_REG(reg) ((reg) << 8)
104 /* When reg cannot be unused. */
105 #define FAST_IS_REG(reg) ((reg) <= REG_MASK)
106 /* When reg can be unused. */
107 #define SLOW_IS_REG(reg) ((reg) > 0 && (reg) <= REG_MASK)
108
109 /* Jump flags. */
110 #define JUMP_LABEL 0x1
111 #define JUMP_ADDR 0x2
112 /* SLJIT_REWRITABLE_JUMP is 0x1000. */
113
114 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
115 # define PATCH_MB 0x4
116 # define PATCH_MW 0x8
117 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
118 # define PATCH_MD 0x10
119 #endif
120 #endif
121
122 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
123 # define IS_BL 0x4
124 # define PATCH_B 0x8
125 #endif
126
127 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
128 # define CPOOL_SIZE 512
129 #endif
130
131 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
132 # define IS_COND 0x04
133 # define IS_BL 0x08
134 /* conditional + imm8 */
135 # define PATCH_TYPE1 0x10
136 /* conditional + imm20 */
137 # define PATCH_TYPE2 0x20
138 /* IT + imm24 */
139 # define PATCH_TYPE3 0x30
140 /* imm11 */
141 # define PATCH_TYPE4 0x40
142 /* imm24 */
143 # define PATCH_TYPE5 0x50
144 /* BL + imm24 */
145 # define PATCH_BL 0x60
146 /* 0xf00 cc code for branches */
147 #endif
148
149 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
150 # define IS_COND 0x004
151 # define IS_CBZ 0x008
152 # define IS_BL 0x010
153 # define PATCH_B 0x020
154 # define PATCH_COND 0x040
155 # define PATCH_ABS48 0x080
156 # define PATCH_ABS64 0x100
157 #endif
158
159 #if (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
160 # define IS_COND 0x004
161 # define IS_CALL 0x008
162 # define PATCH_B 0x010
163 # define PATCH_ABS_B 0x020
164 #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
165 # define PATCH_ABS32 0x040
166 # define PATCH_ABS48 0x080
167 #endif
168 # define REMOVE_COND 0x100
169 #endif
170
171 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
172 # define IS_MOVABLE 0x004
173 # define IS_JAL 0x008
174 # define IS_CALL 0x010
175 # define IS_BIT26_COND 0x020
176 # define IS_BIT16_COND 0x040
177
178 # define IS_COND (IS_BIT26_COND | IS_BIT16_COND)
179
180 # define PATCH_B 0x080
181 # define PATCH_J 0x100
182
183 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
184 # define PATCH_ABS32 0x200
185 # define PATCH_ABS48 0x400
186 #endif
187
188 /* instruction types */
189 # define MOVABLE_INS 0
190 /* 1 - 31 last destination register */
191 /* no destination (i.e: store) */
192 # define UNMOVABLE_INS 32
193 /* FPU status register */
194 # define FCSR_FCC 33
195 #endif
196
197 #if (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
198 # define IS_JAL 0x04
199 # define IS_COND 0x08
200
201 # define PATCH_B 0x10
202 # define PATCH_J 0x20
203 #endif
204
205 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
206 # define IS_MOVABLE 0x04
207 # define IS_COND 0x08
208 # define IS_CALL 0x10
209
210 # define PATCH_B 0x20
211 # define PATCH_CALL 0x40
212
213 /* instruction types */
214 # define MOVABLE_INS 0
215 /* 1 - 31 last destination register */
216 /* no destination (i.e: store) */
217 # define UNMOVABLE_INS 32
218
219 # define DST_INS_MASK 0xff
220
221 /* ICC_SET is the same as SET_FLAGS. */
222 # define ICC_IS_SET (1 << 23)
223 # define FCC_IS_SET (1 << 24)
224 #endif
225
226 /* Stack management. */
227
228 #define GET_SAVED_REGISTERS_SIZE(scratches, saveds, extra) \
229 (((scratches < SLJIT_NUMBER_OF_SCRATCH_REGISTERS ? 0 : (scratches - SLJIT_NUMBER_OF_SCRATCH_REGISTERS)) + \
230 (saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? saveds : SLJIT_NUMBER_OF_SAVED_REGISTERS) + \
231 extra) * sizeof(sljit_sw))
232
233 #define ADJUST_LOCAL_OFFSET(p, i) \
234 if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
235 (i) += SLJIT_LOCALS_OFFSET;
236
237 #endif /* !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) */
238
239 /* Utils can still be used even if SLJIT_CONFIG_UNSUPPORTED is set. */
240 #include "sljitUtils.c"
241
242 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
243
244 #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
245 #include "sljitExecAllocator.c"
246 #endif
247
248 /* Argument checking features. */
249
250 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
251
252 /* Returns with error when an invalid argument is passed. */
253
254 #define CHECK_ARGUMENT(x) \
255 do { \
256 if (SLJIT_UNLIKELY(!(x))) \
257 return 1; \
258 } while (0)
259
260 #define CHECK_RETURN_TYPE sljit_s32
261 #define CHECK_RETURN_OK return 0
262
263 #define CHECK(x) \
264 do { \
265 if (SLJIT_UNLIKELY(x)) { \
266 compiler->error = SLJIT_ERR_BAD_ARGUMENT; \
267 return SLJIT_ERR_BAD_ARGUMENT; \
268 } \
269 } while (0)
270
271 #define CHECK_PTR(x) \
272 do { \
273 if (SLJIT_UNLIKELY(x)) { \
274 compiler->error = SLJIT_ERR_BAD_ARGUMENT; \
275 return NULL; \
276 } \
277 } while (0)
278
279 #define CHECK_REG_INDEX(x) \
280 do { \
281 if (SLJIT_UNLIKELY(x)) { \
282 return -2; \
283 } \
284 } while (0)
285
286 #elif (defined SLJIT_DEBUG && SLJIT_DEBUG)
287
288 /* Assertion failure occures if an invalid argument is passed. */
289 #undef SLJIT_ARGUMENT_CHECKS
290 #define SLJIT_ARGUMENT_CHECKS 1
291
292 #define CHECK_ARGUMENT(x) SLJIT_ASSERT(x)
293 #define CHECK_RETURN_TYPE void
294 #define CHECK_RETURN_OK return
295 #define CHECK(x) x
296 #define CHECK_PTR(x) x
297 #define CHECK_REG_INDEX(x) x
298
299 #elif (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
300
301 /* Arguments are not checked. */
302 #define CHECK_RETURN_TYPE void
303 #define CHECK_RETURN_OK return
304 #define CHECK(x) x
305 #define CHECK_PTR(x) x
306 #define CHECK_REG_INDEX(x) x
307
308 #else
309
310 /* Arguments are not checked. */
311 #define CHECK(x)
312 #define CHECK_PTR(x)
313 #define CHECK_REG_INDEX(x)
314
315 #endif /* SLJIT_ARGUMENT_CHECKS */
316
317 /* --------------------------------------------------------------------- */
318 /* Public functions */
319 /* --------------------------------------------------------------------- */
320
321 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
322 #define SLJIT_NEEDS_COMPILER_INIT 1
323 static sljit_s32 compiler_initialized = 0;
324 /* A thread safe initialization. */
325 static void init_compiler(void);
326 #endif
327
sljit_create_compiler(void * allocator_data)328 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data)
329 {
330 struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC(sizeof(struct sljit_compiler), allocator_data);
331 if (!compiler)
332 return NULL;
333 SLJIT_ZEROMEM(compiler, sizeof(struct sljit_compiler));
334
335 SLJIT_COMPILE_ASSERT(
336 sizeof(sljit_s8) == 1 && sizeof(sljit_u8) == 1
337 && sizeof(sljit_s16) == 2 && sizeof(sljit_u16) == 2
338 && sizeof(sljit_s32) == 4 && sizeof(sljit_u32) == 4
339 && (sizeof(sljit_p) == 4 || sizeof(sljit_p) == 8)
340 && sizeof(sljit_p) <= sizeof(sljit_sw)
341 && (sizeof(sljit_sw) == 4 || sizeof(sljit_sw) == 8)
342 && (sizeof(sljit_uw) == 4 || sizeof(sljit_uw) == 8),
343 invalid_integer_types);
344 SLJIT_COMPILE_ASSERT(SLJIT_I32_OP == SLJIT_F32_OP,
345 int_op_and_single_op_must_be_the_same);
346 SLJIT_COMPILE_ASSERT(SLJIT_REWRITABLE_JUMP != SLJIT_F32_OP,
347 rewritable_jump_and_single_op_must_not_be_the_same);
348
349 /* Only the non-zero members must be set. */
350 compiler->error = SLJIT_SUCCESS;
351
352 compiler->allocator_data = allocator_data;
353 compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, allocator_data);
354 compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, allocator_data);
355
356 if (!compiler->buf || !compiler->abuf) {
357 if (compiler->buf)
358 SLJIT_FREE(compiler->buf, allocator_data);
359 if (compiler->abuf)
360 SLJIT_FREE(compiler->abuf, allocator_data);
361 SLJIT_FREE(compiler, allocator_data);
362 return NULL;
363 }
364
365 compiler->buf->next = NULL;
366 compiler->buf->used_size = 0;
367 compiler->abuf->next = NULL;
368 compiler->abuf->used_size = 0;
369
370 compiler->scratches = -1;
371 compiler->saveds = -1;
372 compiler->fscratches = -1;
373 compiler->fsaveds = -1;
374 compiler->local_size = -1;
375
376 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
377 compiler->args = -1;
378 #endif
379
380 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
381 compiler->cpool = (sljit_uw*)SLJIT_MALLOC(CPOOL_SIZE * sizeof(sljit_uw)
382 + CPOOL_SIZE * sizeof(sljit_u8), allocator_data);
383 if (!compiler->cpool) {
384 SLJIT_FREE(compiler->buf, allocator_data);
385 SLJIT_FREE(compiler->abuf, allocator_data);
386 SLJIT_FREE(compiler, allocator_data);
387 return NULL;
388 }
389 compiler->cpool_unique = (sljit_u8*)(compiler->cpool + CPOOL_SIZE);
390 compiler->cpool_diff = 0xffffffff;
391 #endif
392
393 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
394 compiler->delay_slot = UNMOVABLE_INS;
395 #endif
396
397 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
398 compiler->delay_slot = UNMOVABLE_INS;
399 #endif
400
401 #if (defined SLJIT_NEEDS_COMPILER_INIT && SLJIT_NEEDS_COMPILER_INIT)
402 if (!compiler_initialized) {
403 init_compiler();
404 compiler_initialized = 1;
405 }
406 #endif
407
408 return compiler;
409 }
410
sljit_free_compiler(struct sljit_compiler * compiler)411 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
412 {
413 struct sljit_memory_fragment *buf;
414 struct sljit_memory_fragment *curr;
415 void *allocator_data = compiler->allocator_data;
416 SLJIT_UNUSED_ARG(allocator_data);
417
418 buf = compiler->buf;
419 while (buf) {
420 curr = buf;
421 buf = buf->next;
422 SLJIT_FREE(curr, allocator_data);
423 }
424
425 buf = compiler->abuf;
426 while (buf) {
427 curr = buf;
428 buf = buf->next;
429 SLJIT_FREE(curr, allocator_data);
430 }
431
432 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
433 SLJIT_FREE(compiler->cpool, allocator_data);
434 #endif
435 SLJIT_FREE(compiler, allocator_data);
436 }
437
sljit_set_compiler_memory_error(struct sljit_compiler * compiler)438 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_compiler_memory_error(struct sljit_compiler *compiler)
439 {
440 if (compiler->error == SLJIT_SUCCESS)
441 compiler->error = SLJIT_ERR_ALLOC_FAILED;
442 }
443
444 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
sljit_free_code(void * code)445 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
446 {
447 /* Remove thumb mode flag. */
448 SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1));
449 }
450 #elif (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
sljit_free_code(void * code)451 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
452 {
453 /* Resolve indirection. */
454 code = (void*)(*(sljit_uw*)code);
455 SLJIT_FREE_EXEC(code);
456 }
457 #else
sljit_free_code(void * code)458 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
459 {
460 SLJIT_FREE_EXEC(code);
461 }
462 #endif
463
sljit_set_label(struct sljit_jump * jump,struct sljit_label * label)464 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
465 {
466 if (SLJIT_LIKELY(!!jump) && SLJIT_LIKELY(!!label)) {
467 jump->flags &= ~JUMP_ADDR;
468 jump->flags |= JUMP_LABEL;
469 jump->u.label = label;
470 }
471 }
472
sljit_set_target(struct sljit_jump * jump,sljit_uw target)473 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
474 {
475 if (SLJIT_LIKELY(!!jump)) {
476 jump->flags &= ~JUMP_LABEL;
477 jump->flags |= JUMP_ADDR;
478 jump->u.target = target;
479 }
480 }
481
482 /* --------------------------------------------------------------------- */
483 /* Private functions */
484 /* --------------------------------------------------------------------- */
485
ensure_buf(struct sljit_compiler * compiler,sljit_uw size)486 static void* ensure_buf(struct sljit_compiler *compiler, sljit_uw size)
487 {
488 sljit_u8 *ret;
489 struct sljit_memory_fragment *new_frag;
490
491 SLJIT_ASSERT(size <= 256);
492 if (compiler->buf->used_size + size <= (BUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
493 ret = compiler->buf->memory + compiler->buf->used_size;
494 compiler->buf->used_size += size;
495 return ret;
496 }
497 new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, compiler->allocator_data);
498 PTR_FAIL_IF_NULL(new_frag);
499 new_frag->next = compiler->buf;
500 compiler->buf = new_frag;
501 new_frag->used_size = size;
502 return new_frag->memory;
503 }
504
ensure_abuf(struct sljit_compiler * compiler,sljit_uw size)505 static void* ensure_abuf(struct sljit_compiler *compiler, sljit_uw size)
506 {
507 sljit_u8 *ret;
508 struct sljit_memory_fragment *new_frag;
509
510 SLJIT_ASSERT(size <= 256);
511 if (compiler->abuf->used_size + size <= (ABUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
512 ret = compiler->abuf->memory + compiler->abuf->used_size;
513 compiler->abuf->used_size += size;
514 return ret;
515 }
516 new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, compiler->allocator_data);
517 PTR_FAIL_IF_NULL(new_frag);
518 new_frag->next = compiler->abuf;
519 compiler->abuf = new_frag;
520 new_frag->used_size = size;
521 return new_frag->memory;
522 }
523
sljit_alloc_memory(struct sljit_compiler * compiler,sljit_s32 size)524 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_s32 size)
525 {
526 CHECK_ERROR_PTR();
527
528 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
529 if (size <= 0 || size > 128)
530 return NULL;
531 size = (size + 7) & ~7;
532 #else
533 if (size <= 0 || size > 64)
534 return NULL;
535 size = (size + 3) & ~3;
536 #endif
537 return ensure_abuf(compiler, size);
538 }
539
reverse_buf(struct sljit_compiler * compiler)540 static SLJIT_INLINE void reverse_buf(struct sljit_compiler *compiler)
541 {
542 struct sljit_memory_fragment *buf = compiler->buf;
543 struct sljit_memory_fragment *prev = NULL;
544 struct sljit_memory_fragment *tmp;
545
546 do {
547 tmp = buf->next;
548 buf->next = prev;
549 prev = buf;
550 buf = tmp;
551 } while (buf != NULL);
552
553 compiler->buf = prev;
554 }
555
set_emit_enter(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 args,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)556 static SLJIT_INLINE void set_emit_enter(struct sljit_compiler *compiler,
557 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
558 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
559 {
560 SLJIT_UNUSED_ARG(args);
561 SLJIT_UNUSED_ARG(local_size);
562
563 compiler->options = options;
564 compiler->scratches = scratches;
565 compiler->saveds = saveds;
566 compiler->fscratches = fscratches;
567 compiler->fsaveds = fsaveds;
568 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
569 compiler->logical_local_size = local_size;
570 #endif
571 }
572
set_set_context(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 args,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)573 static SLJIT_INLINE void set_set_context(struct sljit_compiler *compiler,
574 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
575 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
576 {
577 SLJIT_UNUSED_ARG(args);
578 SLJIT_UNUSED_ARG(local_size);
579
580 compiler->options = options;
581 compiler->scratches = scratches;
582 compiler->saveds = saveds;
583 compiler->fscratches = fscratches;
584 compiler->fsaveds = fsaveds;
585 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
586 compiler->logical_local_size = local_size;
587 #endif
588 }
589
set_label(struct sljit_label * label,struct sljit_compiler * compiler)590 static SLJIT_INLINE void set_label(struct sljit_label *label, struct sljit_compiler *compiler)
591 {
592 label->next = NULL;
593 label->size = compiler->size;
594 if (compiler->last_label)
595 compiler->last_label->next = label;
596 else
597 compiler->labels = label;
598 compiler->last_label = label;
599 }
600
set_jump(struct sljit_jump * jump,struct sljit_compiler * compiler,sljit_s32 flags)601 static SLJIT_INLINE void set_jump(struct sljit_jump *jump, struct sljit_compiler *compiler, sljit_s32 flags)
602 {
603 jump->next = NULL;
604 jump->flags = flags;
605 if (compiler->last_jump)
606 compiler->last_jump->next = jump;
607 else
608 compiler->jumps = jump;
609 compiler->last_jump = jump;
610 }
611
set_const(struct sljit_const * const_,struct sljit_compiler * compiler)612 static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_compiler *compiler)
613 {
614 const_->next = NULL;
615 const_->addr = compiler->size;
616 if (compiler->last_const)
617 compiler->last_const->next = const_;
618 else
619 compiler->consts = const_;
620 compiler->last_const = const_;
621 }
622
623 #define ADDRESSING_DEPENDS_ON(exp, reg) \
624 (((exp) & SLJIT_MEM) && (((exp) & REG_MASK) == reg || OFFS_REG(exp) == reg))
625
626 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
627 #define FUNCTION_CHECK_OP() \
628 CHECK_ARGUMENT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
629 switch (GET_OPCODE(op)) { \
630 case SLJIT_NOT: \
631 case SLJIT_CLZ: \
632 case SLJIT_AND: \
633 case SLJIT_OR: \
634 case SLJIT_XOR: \
635 case SLJIT_SHL: \
636 case SLJIT_LSHR: \
637 case SLJIT_ASHR: \
638 CHECK_ARGUMENT(!(op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C))); \
639 break; \
640 case SLJIT_NEG: \
641 CHECK_ARGUMENT(!(op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))); \
642 break; \
643 case SLJIT_MUL: \
644 CHECK_ARGUMENT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))); \
645 break; \
646 case SLJIT_ADD: \
647 CHECK_ARGUMENT(!(op & (SLJIT_SET_U | SLJIT_SET_S))); \
648 break; \
649 case SLJIT_SUB: \
650 break; \
651 case SLJIT_ADDC: \
652 case SLJIT_SUBC: \
653 CHECK_ARGUMENT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O))); \
654 break; \
655 case SLJIT_BREAKPOINT: \
656 case SLJIT_NOP: \
657 case SLJIT_LMUL_UW: \
658 case SLJIT_LMUL_SW: \
659 case SLJIT_MOV: \
660 case SLJIT_MOV_U32: \
661 case SLJIT_MOV_P: \
662 case SLJIT_MOVU: \
663 case SLJIT_MOVU_U32: \
664 case SLJIT_MOVU_P: \
665 /* Nothing allowed */ \
666 CHECK_ARGUMENT(!(op & (SLJIT_I32_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
667 break; \
668 default: \
669 /* Only SLJIT_I32_OP or SLJIT_F32_OP is allowed. */ \
670 CHECK_ARGUMENT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
671 break; \
672 }
673
674 #define FUNCTION_CHECK_FOP() \
675 CHECK_ARGUMENT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
676 switch (GET_OPCODE(op)) { \
677 case SLJIT_CMP_F64: \
678 CHECK_ARGUMENT(!(op & (SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
679 CHECK_ARGUMENT((op & (SLJIT_SET_E | SLJIT_SET_S))); \
680 break; \
681 default: \
682 /* Only SLJIT_I32_OP or SLJIT_F32_OP is allowed. */ \
683 CHECK_ARGUMENT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
684 break; \
685 }
686
687 #define FUNCTION_CHECK_IS_REG(r) \
688 (((r) >= SLJIT_R0 && (r) < (SLJIT_R0 + compiler->scratches)) || \
689 ((r) > (SLJIT_S0 - compiler->saveds) && (r) <= SLJIT_S0))
690
691 #define FUNCTION_CHECK_IS_REG_OR_UNUSED(r) \
692 ((r) == SLJIT_UNUSED || \
693 ((r) >= SLJIT_R0 && (r) < (SLJIT_R0 + compiler->scratches)) || \
694 ((r) > (SLJIT_S0 - compiler->saveds) && (r) <= SLJIT_S0))
695
696 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
697 #define CHECK_NOT_VIRTUAL_REGISTER(p) \
698 CHECK_ARGUMENT((p) < SLJIT_R3 || (p) > SLJIT_R6);
699 #else
700 #define CHECK_NOT_VIRTUAL_REGISTER(p)
701 #endif
702
703 #define FUNCTION_CHECK_SRC(p, i) \
704 CHECK_ARGUMENT(compiler->scratches != -1 && compiler->saveds != -1); \
705 if (FUNCTION_CHECK_IS_REG(p)) \
706 CHECK_ARGUMENT((i) == 0); \
707 else if ((p) == SLJIT_IMM) \
708 ; \
709 else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
710 CHECK_ARGUMENT((i) >= 0 && (i) < compiler->logical_local_size); \
711 else { \
712 CHECK_ARGUMENT((p) & SLJIT_MEM); \
713 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG_OR_UNUSED((p) & REG_MASK)); \
714 CHECK_NOT_VIRTUAL_REGISTER((p) & REG_MASK); \
715 if ((p) & OFFS_REG_MASK) { \
716 CHECK_ARGUMENT(((p) & REG_MASK) != SLJIT_UNUSED); \
717 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
718 CHECK_NOT_VIRTUAL_REGISTER(OFFS_REG(p)); \
719 CHECK_ARGUMENT(!((i) & ~0x3)); \
720 } \
721 CHECK_ARGUMENT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
722 }
723
724 #define FUNCTION_CHECK_DST(p, i) \
725 CHECK_ARGUMENT(compiler->scratches != -1 && compiler->saveds != -1); \
726 if (FUNCTION_CHECK_IS_REG_OR_UNUSED(p)) \
727 CHECK_ARGUMENT((i) == 0); \
728 else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
729 CHECK_ARGUMENT((i) >= 0 && (i) < compiler->logical_local_size); \
730 else { \
731 CHECK_ARGUMENT((p) & SLJIT_MEM); \
732 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG_OR_UNUSED((p) & REG_MASK)); \
733 CHECK_NOT_VIRTUAL_REGISTER((p) & REG_MASK); \
734 if ((p) & OFFS_REG_MASK) { \
735 CHECK_ARGUMENT(((p) & REG_MASK) != SLJIT_UNUSED); \
736 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
737 CHECK_NOT_VIRTUAL_REGISTER(OFFS_REG(p)); \
738 CHECK_ARGUMENT(!((i) & ~0x3)); \
739 } \
740 CHECK_ARGUMENT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
741 }
742
743 #define FUNCTION_FCHECK(p, i) \
744 CHECK_ARGUMENT(compiler->fscratches != -1 && compiler->fsaveds != -1); \
745 if (((p) >= SLJIT_FR0 && (p) < (SLJIT_FR0 + compiler->fscratches)) || \
746 ((p) > (SLJIT_FS0 - compiler->fsaveds) && (p) <= SLJIT_FS0)) \
747 CHECK_ARGUMENT(i == 0); \
748 else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
749 CHECK_ARGUMENT((i) >= 0 && (i) < compiler->logical_local_size); \
750 else { \
751 CHECK_ARGUMENT((p) & SLJIT_MEM); \
752 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG_OR_UNUSED((p) & REG_MASK)); \
753 CHECK_NOT_VIRTUAL_REGISTER((p) & REG_MASK); \
754 if ((p) & OFFS_REG_MASK) { \
755 CHECK_ARGUMENT(((p) & REG_MASK) != SLJIT_UNUSED); \
756 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
757 CHECK_NOT_VIRTUAL_REGISTER(OFFS_REG(p)); \
758 CHECK_ARGUMENT(((p) & OFFS_REG_MASK) != TO_OFFS_REG(SLJIT_SP) && !(i & ~0x3)); \
759 } \
760 CHECK_ARGUMENT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
761 }
762
763 #define FUNCTION_CHECK_OP1() \
764 if (GET_OPCODE(op) >= SLJIT_MOVU && GET_OPCODE(op) <= SLJIT_MOVU_P) { \
765 CHECK_ARGUMENT(!(src & SLJIT_MEM) || (src & REG_MASK) != SLJIT_SP); \
766 CHECK_ARGUMENT(!(dst & SLJIT_MEM) || (dst & REG_MASK) != SLJIT_SP); \
767 if ((src & SLJIT_MEM) && (src & REG_MASK)) \
768 CHECK_ARGUMENT((dst & REG_MASK) != (src & REG_MASK) && OFFS_REG(dst) != (src & REG_MASK)); \
769 }
770
771 #endif /* SLJIT_ARGUMENT_CHECKS */
772
773 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
774
sljit_compiler_verbose(struct sljit_compiler * compiler,FILE * verbose)775 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
776 {
777 compiler->verbose = verbose;
778 }
779
780 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
781 #ifdef _WIN64
782 # define SLJIT_PRINT_D "I64"
783 #else
784 # define SLJIT_PRINT_D "l"
785 #endif
786 #else
787 # define SLJIT_PRINT_D ""
788 #endif
789
790 #define sljit_verbose_reg(compiler, r) \
791 do { \
792 if ((r) < (SLJIT_R0 + compiler->scratches)) \
793 fprintf(compiler->verbose, "r%d", (r) - SLJIT_R0); \
794 else \
795 fprintf(compiler->verbose, "s%d", SLJIT_NUMBER_OF_REGISTERS - (r)); \
796 } while (0)
797
798 #define sljit_verbose_param(compiler, p, i) \
799 if ((p) & SLJIT_IMM) \
800 fprintf(compiler->verbose, "#%" SLJIT_PRINT_D "d", (i)); \
801 else if ((p) & SLJIT_MEM) { \
802 if ((p) & REG_MASK) { \
803 fputc('[', compiler->verbose); \
804 sljit_verbose_reg(compiler, (p) & REG_MASK); \
805 if ((p) & OFFS_REG_MASK) { \
806 fprintf(compiler->verbose, " + "); \
807 sljit_verbose_reg(compiler, OFFS_REG(p)); \
808 if (i) \
809 fprintf(compiler->verbose, " * %d", 1 << (i)); \
810 } \
811 else if (i) \
812 fprintf(compiler->verbose, " + %" SLJIT_PRINT_D "d", (i)); \
813 fputc(']', compiler->verbose); \
814 } \
815 else \
816 fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i)); \
817 } else if (p) \
818 sljit_verbose_reg(compiler, p); \
819 else \
820 fprintf(compiler->verbose, "unused");
821
822 #define sljit_verbose_fparam(compiler, p, i) \
823 if ((p) & SLJIT_MEM) { \
824 if ((p) & REG_MASK) { \
825 fputc('[', compiler->verbose); \
826 sljit_verbose_reg(compiler, (p) & REG_MASK); \
827 if ((p) & OFFS_REG_MASK) { \
828 fprintf(compiler->verbose, " + "); \
829 sljit_verbose_reg(compiler, OFFS_REG(p)); \
830 if (i) \
831 fprintf(compiler->verbose, "%d", 1 << (i)); \
832 } \
833 else if (i) \
834 fprintf(compiler->verbose, "%" SLJIT_PRINT_D "d", (i)); \
835 fputc(']', compiler->verbose); \
836 } \
837 else \
838 fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i)); \
839 } \
840 else { \
841 if ((p) < (SLJIT_FR0 + compiler->fscratches)) \
842 fprintf(compiler->verbose, "fr%d", (p) - SLJIT_FR0); \
843 else \
844 fprintf(compiler->verbose, "fs%d", SLJIT_NUMBER_OF_FLOAT_REGISTERS - (p)); \
845 }
846
847 static const char* op0_names[] = {
848 (char*)"breakpoint", (char*)"nop", (char*)"lmul.uw", (char*)"lmul.sw",
849 (char*)"divmod.u", (char*)"divmod.s", (char*)"div.u", (char*)"div.s"
850 };
851
852 static const char* op1_names[] = {
853 (char*)"", (char*)".u8", (char*)".s8", (char*)".u16",
854 (char*)".s16", (char*)".u32", (char*)".s32", (char*)".p",
855 (char*)"", (char*)".u8", (char*)".s8", (char*)".u16",
856 (char*)".s16", (char*)".u32", (char*)".s32", (char*)".p",
857 (char*)"not", (char*)"neg", (char*)"clz",
858 };
859
860 static const char* op2_names[] = {
861 (char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
862 (char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
863 (char*)"shl", (char*)"lshr", (char*)"ashr",
864 };
865
866 static const char* fop1_names[] = {
867 (char*)"mov", (char*)"conv", (char*)"conv", (char*)"conv",
868 (char*)"conv", (char*)"conv", (char*)"cmp", (char*)"neg",
869 (char*)"abs",
870 };
871
872 static const char* fop2_names[] = {
873 (char*)"add", (char*)"sub", (char*)"mul", (char*)"div"
874 };
875
876 #define JUMP_POSTFIX(type) \
877 ((type & 0xff) <= SLJIT_MUL_NOT_OVERFLOW ? ((type & SLJIT_I32_OP) ? "32" : "") \
878 : ((type & 0xff) <= SLJIT_ORDERED_F64 ? ((type & SLJIT_F32_OP) ? ".f32" : ".f64") : ""))
879
880 static char* jump_names[] = {
881 (char*)"equal", (char*)"not_equal",
882 (char*)"less", (char*)"greater_equal",
883 (char*)"greater", (char*)"less_equal",
884 (char*)"sig_less", (char*)"sig_greater_equal",
885 (char*)"sig_greater", (char*)"sig_less_equal",
886 (char*)"overflow", (char*)"not_overflow",
887 (char*)"mul_overflow", (char*)"mul_not_overflow",
888 (char*)"equal", (char*)"not_equal",
889 (char*)"less", (char*)"greater_equal",
890 (char*)"greater", (char*)"less_equal",
891 (char*)"unordered", (char*)"ordered",
892 (char*)"jump", (char*)"fast_call",
893 (char*)"call0", (char*)"call1", (char*)"call2", (char*)"call3"
894 };
895
896 #endif /* SLJIT_VERBOSE */
897
898 /* --------------------------------------------------------------------- */
899 /* Arch dependent */
900 /* --------------------------------------------------------------------- */
901
902 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) \
903 || (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
904
check_sljit_generate_code(struct sljit_compiler * compiler)905 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_generate_code(struct sljit_compiler *compiler)
906 {
907 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
908 struct sljit_jump *jump;
909 #endif
910
911 SLJIT_UNUSED_ARG(compiler);
912
913 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
914 CHECK_ARGUMENT(compiler->size > 0);
915 jump = compiler->jumps;
916 while (jump) {
917 /* All jumps have target. */
918 CHECK_ARGUMENT(jump->flags & (JUMP_LABEL | JUMP_ADDR));
919 jump = jump->next;
920 }
921 #endif
922 CHECK_RETURN_OK;
923 }
924
check_sljit_emit_enter(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 args,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)925 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_enter(struct sljit_compiler *compiler,
926 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
927 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
928 {
929 SLJIT_UNUSED_ARG(compiler);
930
931 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
932 CHECK_ARGUMENT(!(options & ~SLJIT_DOUBLE_ALIGNMENT));
933 CHECK_ARGUMENT(args >= 0 && args <= 3);
934 CHECK_ARGUMENT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
935 CHECK_ARGUMENT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
936 CHECK_ARGUMENT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
937 CHECK_ARGUMENT(args <= saveds);
938 CHECK_ARGUMENT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
939 CHECK_ARGUMENT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
940 CHECK_ARGUMENT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
941 CHECK_ARGUMENT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
942 #endif
943 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
944 if (SLJIT_UNLIKELY(!!compiler->verbose))
945 fprintf(compiler->verbose, " enter options:none args:%d scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
946 args, scratches, saveds, fscratches, fsaveds, local_size);
947 #endif
948 CHECK_RETURN_OK;
949 }
950
check_sljit_set_context(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 args,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)951 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_set_context(struct sljit_compiler *compiler,
952 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
953 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
954 {
955 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
956 compiler->skip_checks = 0;
957 CHECK_RETURN_OK;
958 }
959
960 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
961 CHECK_ARGUMENT(!(options & ~SLJIT_DOUBLE_ALIGNMENT));
962 CHECK_ARGUMENT(args >= 0 && args <= 3);
963 CHECK_ARGUMENT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
964 CHECK_ARGUMENT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
965 CHECK_ARGUMENT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
966 CHECK_ARGUMENT(args <= saveds);
967 CHECK_ARGUMENT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
968 CHECK_ARGUMENT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
969 CHECK_ARGUMENT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
970 CHECK_ARGUMENT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
971 #endif
972 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
973 if (SLJIT_UNLIKELY(!!compiler->verbose))
974 fprintf(compiler->verbose, " set_context options:none args:%d scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
975 args, scratches, saveds, fscratches, fsaveds, local_size);
976 #endif
977 CHECK_RETURN_OK;
978 }
979
check_sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)980 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
981 {
982 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
983 CHECK_ARGUMENT(compiler->scratches >= 0);
984 if (op != SLJIT_UNUSED) {
985 CHECK_ARGUMENT(op >= SLJIT_MOV && op <= SLJIT_MOV_P);
986 FUNCTION_CHECK_SRC(src, srcw);
987 }
988 else
989 CHECK_ARGUMENT(src == 0 && srcw == 0);
990 #endif
991 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
992 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
993 if (op == SLJIT_UNUSED)
994 fprintf(compiler->verbose, " return\n");
995 else {
996 fprintf(compiler->verbose, " return%s ", op1_names[op - SLJIT_OP1_BASE]);
997 sljit_verbose_param(compiler, src, srcw);
998 fprintf(compiler->verbose, "\n");
999 }
1000 }
1001 #endif
1002 CHECK_RETURN_OK;
1003 }
1004
check_sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1005 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1006 {
1007 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1008 FUNCTION_CHECK_DST(dst, dstw);
1009 #endif
1010 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1011 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1012 fprintf(compiler->verbose, " fast_enter ");
1013 sljit_verbose_param(compiler, dst, dstw);
1014 fprintf(compiler->verbose, "\n");
1015 }
1016 #endif
1017 CHECK_RETURN_OK;
1018 }
1019
check_sljit_emit_fast_return(struct sljit_compiler * compiler,sljit_s32 src,sljit_sw srcw)1020 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1021 {
1022 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1023 FUNCTION_CHECK_SRC(src, srcw);
1024 #endif
1025 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1026 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1027 fprintf(compiler->verbose, " fast_return ");
1028 sljit_verbose_param(compiler, src, srcw);
1029 fprintf(compiler->verbose, "\n");
1030 }
1031 #endif
1032 CHECK_RETURN_OK;
1033 }
1034
check_sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)1035 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
1036 {
1037 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1038 CHECK_ARGUMENT((op >= SLJIT_BREAKPOINT && op <= SLJIT_LMUL_SW)
1039 || ((op & ~SLJIT_I32_OP) >= SLJIT_DIVMOD_UW && (op & ~SLJIT_I32_OP) <= SLJIT_DIV_SW));
1040 CHECK_ARGUMENT(op < SLJIT_LMUL_UW || compiler->scratches >= 2);
1041 #endif
1042 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1043 if (SLJIT_UNLIKELY(!!compiler->verbose))
1044 {
1045 fprintf(compiler->verbose, " %s", op0_names[GET_OPCODE(op) - SLJIT_OP0_BASE]);
1046 if (GET_OPCODE(op) >= SLJIT_DIVMOD_UW) {
1047 fprintf(compiler->verbose, (op & SLJIT_I32_OP) ? "32" : "w");
1048 }
1049 fprintf(compiler->verbose, "\n");
1050 }
1051 #endif
1052 CHECK_RETURN_OK;
1053 }
1054
check_sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1055 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
1056 sljit_s32 dst, sljit_sw dstw,
1057 sljit_s32 src, sljit_sw srcw)
1058 {
1059 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1060 compiler->skip_checks = 0;
1061 CHECK_RETURN_OK;
1062 }
1063
1064 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1065 CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_CLZ);
1066 FUNCTION_CHECK_OP();
1067 FUNCTION_CHECK_SRC(src, srcw);
1068 FUNCTION_CHECK_DST(dst, dstw);
1069 FUNCTION_CHECK_OP1();
1070 #endif
1071 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1072 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1073 if (GET_OPCODE(op) <= SLJIT_MOVU_P)
1074 {
1075 fprintf(compiler->verbose, " mov%s%s%s ", (GET_OPCODE(op) >= SLJIT_MOVU) ? "u" : "",
1076 !(op & SLJIT_I32_OP) ? "" : "32", (op != SLJIT_MOV32 && op != SLJIT_MOVU32) ? op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE] : "");
1077 }
1078 else
1079 {
1080 fprintf(compiler->verbose, " %s%s%s%s%s%s%s%s ", op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE], !(op & SLJIT_I32_OP) ? "" : "32",
1081 !(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_U) ? "" : ".u", !(op & SLJIT_SET_S) ? "" : ".s",
1082 !(op & SLJIT_SET_O) ? "" : ".o", !(op & SLJIT_SET_C) ? "" : ".c", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
1083 }
1084
1085 sljit_verbose_param(compiler, dst, dstw);
1086 fprintf(compiler->verbose, ", ");
1087 sljit_verbose_param(compiler, src, srcw);
1088 fprintf(compiler->verbose, "\n");
1089 }
1090 #endif
1091 CHECK_RETURN_OK;
1092 }
1093
check_sljit_emit_op2(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1094 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
1095 sljit_s32 dst, sljit_sw dstw,
1096 sljit_s32 src1, sljit_sw src1w,
1097 sljit_s32 src2, sljit_sw src2w)
1098 {
1099 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1100 compiler->skip_checks = 0;
1101 CHECK_RETURN_OK;
1102 }
1103
1104 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1105 CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_ADD && GET_OPCODE(op) <= SLJIT_ASHR);
1106 FUNCTION_CHECK_OP();
1107 FUNCTION_CHECK_SRC(src1, src1w);
1108 FUNCTION_CHECK_SRC(src2, src2w);
1109 FUNCTION_CHECK_DST(dst, dstw);
1110 #endif
1111 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1112 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1113 fprintf(compiler->verbose, " %s%s%s%s%s%s%s%s ", op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE], !(op & SLJIT_I32_OP) ? "" : "32",
1114 !(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_U) ? "" : ".u", !(op & SLJIT_SET_S) ? "" : ".s",
1115 !(op & SLJIT_SET_O) ? "" : ".o", !(op & SLJIT_SET_C) ? "" : ".c", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
1116 sljit_verbose_param(compiler, dst, dstw);
1117 fprintf(compiler->verbose, ", ");
1118 sljit_verbose_param(compiler, src1, src1w);
1119 fprintf(compiler->verbose, ", ");
1120 sljit_verbose_param(compiler, src2, src2w);
1121 fprintf(compiler->verbose, "\n");
1122 }
1123 #endif
1124 CHECK_RETURN_OK;
1125 }
1126
check_sljit_get_register_index(sljit_s32 reg)1127 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_register_index(sljit_s32 reg)
1128 {
1129 SLJIT_UNUSED_ARG(reg);
1130 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1131 CHECK_ARGUMENT(reg > 0 && reg <= SLJIT_NUMBER_OF_REGISTERS);
1132 #endif
1133 CHECK_RETURN_OK;
1134 }
1135
check_sljit_get_float_register_index(sljit_s32 reg)1136 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_float_register_index(sljit_s32 reg)
1137 {
1138 SLJIT_UNUSED_ARG(reg);
1139 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1140 CHECK_ARGUMENT(reg > 0 && reg <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1141 #endif
1142 CHECK_RETURN_OK;
1143 }
1144
check_sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)1145 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_custom(struct sljit_compiler *compiler,
1146 void *instruction, sljit_s32 size)
1147 {
1148 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1149 int i;
1150 #endif
1151
1152 SLJIT_UNUSED_ARG(compiler);
1153
1154 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1155 CHECK_ARGUMENT(instruction);
1156 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1157 CHECK_ARGUMENT(size > 0 && size < 16);
1158 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
1159 CHECK_ARGUMENT((size == 2 && (((sljit_sw)instruction) & 0x1) == 0)
1160 || (size == 4 && (((sljit_sw)instruction) & 0x3) == 0));
1161 #else
1162 CHECK_ARGUMENT(size == 4 && (((sljit_sw)instruction) & 0x3) == 0);
1163 #endif
1164
1165 #endif
1166 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1167 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1168 fprintf(compiler->verbose, " op_custom");
1169 for (i = 0; i < size; i++)
1170 fprintf(compiler->verbose, " 0x%x", ((sljit_u8*)instruction)[i]);
1171 fprintf(compiler->verbose, "\n");
1172 }
1173 #endif
1174 CHECK_RETURN_OK;
1175 }
1176
check_sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1177 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1178 sljit_s32 dst, sljit_sw dstw,
1179 sljit_s32 src, sljit_sw srcw)
1180 {
1181 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1182 compiler->skip_checks = 0;
1183 CHECK_RETURN_OK;
1184 }
1185
1186 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1187 CHECK_ARGUMENT(sljit_is_fpu_available());
1188 CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_MOV_F64 && GET_OPCODE(op) <= SLJIT_ABS_F64);
1189 FUNCTION_CHECK_FOP();
1190 FUNCTION_FCHECK(src, srcw);
1191 FUNCTION_FCHECK(dst, dstw);
1192 #endif
1193 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1194 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1195 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1196 fprintf(compiler->verbose, " %s%s ", fop1_names[SLJIT_CONV_F64_FROM_F32 - SLJIT_FOP1_BASE],
1197 (op & SLJIT_F32_OP) ? ".f32.from.f64" : ".f64.from.f32");
1198 else
1199 fprintf(compiler->verbose, " %s%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1200 (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1201
1202 sljit_verbose_fparam(compiler, dst, dstw);
1203 fprintf(compiler->verbose, ", ");
1204 sljit_verbose_fparam(compiler, src, srcw);
1205 fprintf(compiler->verbose, "\n");
1206 }
1207 #endif
1208 CHECK_RETURN_OK;
1209 }
1210
check_sljit_emit_fop1_cmp(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1211 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1212 sljit_s32 src1, sljit_sw src1w,
1213 sljit_s32 src2, sljit_sw src2w)
1214 {
1215 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1216 compiler->skip_checks = 0;
1217 CHECK_RETURN_OK;
1218 }
1219
1220 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1221 CHECK_ARGUMENT(sljit_is_fpu_available());
1222 CHECK_ARGUMENT(GET_OPCODE(op) == SLJIT_CMP_F64);
1223 FUNCTION_CHECK_FOP();
1224 FUNCTION_FCHECK(src1, src1w);
1225 FUNCTION_FCHECK(src2, src2w);
1226 #endif
1227 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1228 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1229 fprintf(compiler->verbose, " %s%s%s%s ", fop1_names[SLJIT_CMP_F64 - SLJIT_FOP1_BASE], (op & SLJIT_F32_OP) ? ".f32" : ".f64",
1230 (op & SLJIT_SET_E) ? ".e" : "", (op & SLJIT_SET_S) ? ".s" : "");
1231 sljit_verbose_fparam(compiler, src1, src1w);
1232 fprintf(compiler->verbose, ", ");
1233 sljit_verbose_fparam(compiler, src2, src2w);
1234 fprintf(compiler->verbose, "\n");
1235 }
1236 #endif
1237 CHECK_RETURN_OK;
1238 }
1239
check_sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1240 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
1241 sljit_s32 dst, sljit_sw dstw,
1242 sljit_s32 src, sljit_sw srcw)
1243 {
1244 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1245 compiler->skip_checks = 0;
1246 CHECK_RETURN_OK;
1247 }
1248
1249 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1250 CHECK_ARGUMENT(sljit_is_fpu_available());
1251 CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_CONV_SW_FROM_F64 && GET_OPCODE(op) <= SLJIT_CONV_S32_FROM_F64);
1252 FUNCTION_CHECK_FOP();
1253 FUNCTION_FCHECK(src, srcw);
1254 FUNCTION_CHECK_DST(dst, dstw);
1255 #endif
1256 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1257 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1258 fprintf(compiler->verbose, " %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1259 (GET_OPCODE(op) == SLJIT_CONV_S32_FROM_F64) ? ".s32" : ".sw",
1260 (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1261 sljit_verbose_param(compiler, dst, dstw);
1262 fprintf(compiler->verbose, ", ");
1263 sljit_verbose_fparam(compiler, src, srcw);
1264 fprintf(compiler->verbose, "\n");
1265 }
1266 #endif
1267 CHECK_RETURN_OK;
1268 }
1269
check_sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1270 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1271 sljit_s32 dst, sljit_sw dstw,
1272 sljit_s32 src, sljit_sw srcw)
1273 {
1274 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1275 compiler->skip_checks = 0;
1276 CHECK_RETURN_OK;
1277 }
1278
1279 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1280 CHECK_ARGUMENT(sljit_is_fpu_available());
1281 CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_CONV_F64_FROM_SW && GET_OPCODE(op) <= SLJIT_CONV_F64_FROM_S32);
1282 FUNCTION_CHECK_FOP();
1283 FUNCTION_CHECK_SRC(src, srcw);
1284 FUNCTION_FCHECK(dst, dstw);
1285 #endif
1286 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1287 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1288 fprintf(compiler->verbose, " %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1289 (op & SLJIT_F32_OP) ? ".f32" : ".f64",
1290 (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) ? ".s32" : ".sw");
1291 sljit_verbose_fparam(compiler, dst, dstw);
1292 fprintf(compiler->verbose, ", ");
1293 sljit_verbose_param(compiler, src, srcw);
1294 fprintf(compiler->verbose, "\n");
1295 }
1296 #endif
1297 CHECK_RETURN_OK;
1298 }
1299
check_sljit_emit_fop2(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1300 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1301 sljit_s32 dst, sljit_sw dstw,
1302 sljit_s32 src1, sljit_sw src1w,
1303 sljit_s32 src2, sljit_sw src2w)
1304 {
1305 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1306 CHECK_ARGUMENT(sljit_is_fpu_available());
1307 CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_ADD_F64 && GET_OPCODE(op) <= SLJIT_DIV_F64);
1308 FUNCTION_CHECK_FOP();
1309 FUNCTION_FCHECK(src1, src1w);
1310 FUNCTION_FCHECK(src2, src2w);
1311 FUNCTION_FCHECK(dst, dstw);
1312 #endif
1313 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1314 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1315 fprintf(compiler->verbose, " %s%s ", fop2_names[GET_OPCODE(op) - SLJIT_FOP2_BASE], (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1316 sljit_verbose_fparam(compiler, dst, dstw);
1317 fprintf(compiler->verbose, ", ");
1318 sljit_verbose_fparam(compiler, src1, src1w);
1319 fprintf(compiler->verbose, ", ");
1320 sljit_verbose_fparam(compiler, src2, src2w);
1321 fprintf(compiler->verbose, "\n");
1322 }
1323 #endif
1324 CHECK_RETURN_OK;
1325 }
1326
check_sljit_emit_label(struct sljit_compiler * compiler)1327 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_label(struct sljit_compiler *compiler)
1328 {
1329 SLJIT_UNUSED_ARG(compiler);
1330
1331 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1332 if (SLJIT_UNLIKELY(!!compiler->verbose))
1333 fprintf(compiler->verbose, "label:\n");
1334 #endif
1335 CHECK_RETURN_OK;
1336 }
1337
check_sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)1338 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1339 {
1340 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1341 compiler->skip_checks = 0;
1342 CHECK_RETURN_OK;
1343 }
1344
1345 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1346 CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
1347 CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_CALL3);
1348 CHECK_ARGUMENT((type & 0xff) < SLJIT_JUMP || !(type & SLJIT_I32_OP));
1349 CHECK_ARGUMENT((type & 0xff) <= SLJIT_CALL0 || ((type & 0xff) - SLJIT_CALL0) <= compiler->scratches);
1350 #endif
1351 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1352 if (SLJIT_UNLIKELY(!!compiler->verbose))
1353 fprintf(compiler->verbose, " jump%s %s%s\n", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1354 jump_names[type & 0xff], JUMP_POSTFIX(type));
1355 #endif
1356 CHECK_RETURN_OK;
1357 }
1358
check_sljit_emit_cmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1359 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
1360 sljit_s32 src1, sljit_sw src1w,
1361 sljit_s32 src2, sljit_sw src2w)
1362 {
1363 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1364 CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
1365 CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_SIG_LESS_EQUAL);
1366 FUNCTION_CHECK_SRC(src1, src1w);
1367 FUNCTION_CHECK_SRC(src2, src2w);
1368 #endif
1369 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1370 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1371 fprintf(compiler->verbose, " cmp%s %s%s, ", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1372 jump_names[type & 0xff], (type & SLJIT_I32_OP) ? "32" : "");
1373 sljit_verbose_param(compiler, src1, src1w);
1374 fprintf(compiler->verbose, ", ");
1375 sljit_verbose_param(compiler, src2, src2w);
1376 fprintf(compiler->verbose, "\n");
1377 }
1378 #endif
1379 CHECK_RETURN_OK;
1380 }
1381
check_sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1382 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
1383 sljit_s32 src1, sljit_sw src1w,
1384 sljit_s32 src2, sljit_sw src2w)
1385 {
1386 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1387 CHECK_ARGUMENT(sljit_is_fpu_available());
1388 CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_F32_OP)));
1389 CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL_F64 && (type & 0xff) <= SLJIT_ORDERED_F64);
1390 FUNCTION_FCHECK(src1, src1w);
1391 FUNCTION_FCHECK(src2, src2w);
1392 #endif
1393 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1394 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1395 fprintf(compiler->verbose, " fcmp%s %s%s, ", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1396 jump_names[type & 0xff], (type & SLJIT_F32_OP) ? ".f32" : ".f64");
1397 sljit_verbose_fparam(compiler, src1, src1w);
1398 fprintf(compiler->verbose, ", ");
1399 sljit_verbose_fparam(compiler, src2, src2w);
1400 fprintf(compiler->verbose, "\n");
1401 }
1402 #endif
1403 CHECK_RETURN_OK;
1404 }
1405
check_sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)1406 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1407 {
1408 if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1409 compiler->skip_checks = 0;
1410 CHECK_RETURN_OK;
1411 }
1412
1413 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1414 CHECK_ARGUMENT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
1415 CHECK_ARGUMENT(type <= SLJIT_CALL0 || (type - SLJIT_CALL0) <= compiler->scratches);
1416 FUNCTION_CHECK_SRC(src, srcw);
1417 #endif
1418 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1419 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1420 fprintf(compiler->verbose, " ijump.%s ", jump_names[type]);
1421 sljit_verbose_param(compiler, src, srcw);
1422 fprintf(compiler->verbose, "\n");
1423 }
1424 #endif
1425 CHECK_RETURN_OK;
1426 }
1427
check_sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw,sljit_s32 type)1428 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1429 sljit_s32 dst, sljit_sw dstw,
1430 sljit_s32 src, sljit_sw srcw,
1431 sljit_s32 type)
1432 {
1433 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1434 CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_I32_OP)));
1435 CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_ORDERED_F64);
1436 CHECK_ARGUMENT(op == SLJIT_MOV || GET_OPCODE(op) == SLJIT_MOV_U32 || GET_OPCODE(op) == SLJIT_MOV_S32
1437 || (GET_OPCODE(op) >= SLJIT_AND && GET_OPCODE(op) <= SLJIT_XOR));
1438 CHECK_ARGUMENT((op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C)) == 0);
1439 CHECK_ARGUMENT((op & (SLJIT_SET_E | SLJIT_KEEP_FLAGS)) != (SLJIT_SET_E | SLJIT_KEEP_FLAGS));
1440 if (GET_OPCODE(op) < SLJIT_ADD) {
1441 CHECK_ARGUMENT(src == SLJIT_UNUSED && srcw == 0);
1442 } else {
1443 CHECK_ARGUMENT(src == dst && srcw == dstw);
1444 }
1445 FUNCTION_CHECK_DST(dst, dstw);
1446 #endif
1447 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1448 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1449 fprintf(compiler->verbose, " flags %s%s%s%s, ",
1450 !(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k",
1451 GET_OPCODE(op) < SLJIT_OP2_BASE ? "mov" : op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE],
1452 GET_OPCODE(op) < SLJIT_OP2_BASE ? op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE] : ((op & SLJIT_I32_OP) ? "32" : ""));
1453 sljit_verbose_param(compiler, dst, dstw);
1454 if (src != SLJIT_UNUSED) {
1455 fprintf(compiler->verbose, ", ");
1456 sljit_verbose_param(compiler, src, srcw);
1457 }
1458 fprintf(compiler->verbose, ", %s%s\n", jump_names[type & 0xff], JUMP_POSTFIX(type));
1459 }
1460 #endif
1461 CHECK_RETURN_OK;
1462 }
1463
check_sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)1464 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
1465 {
1466 SLJIT_UNUSED_ARG(offset);
1467
1468 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1469 FUNCTION_CHECK_DST(dst, dstw);
1470 #endif
1471 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1472 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1473 fprintf(compiler->verbose, " local_base ");
1474 sljit_verbose_param(compiler, dst, dstw);
1475 fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", offset);
1476 }
1477 #endif
1478 CHECK_RETURN_OK;
1479 }
1480
check_sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw init_value)1481 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1482 {
1483 SLJIT_UNUSED_ARG(init_value);
1484
1485 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1486 FUNCTION_CHECK_DST(dst, dstw);
1487 #endif
1488 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1489 if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1490 fprintf(compiler->verbose, " const ");
1491 sljit_verbose_param(compiler, dst, dstw);
1492 fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", init_value);
1493 }
1494 #endif
1495 CHECK_RETURN_OK;
1496 }
1497
1498 #endif /* SLJIT_ARGUMENT_CHECKS || SLJIT_VERBOSE */
1499
1500 #define SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw) \
1501 SLJIT_COMPILE_ASSERT(!(SLJIT_CONV_SW_FROM_F64 & 0x1) && !(SLJIT_CONV_F64_FROM_SW & 0x1), \
1502 invalid_float_opcodes); \
1503 if (GET_OPCODE(op) >= SLJIT_CONV_SW_FROM_F64 && GET_OPCODE(op) <= SLJIT_CMP_F64) { \
1504 if (GET_OPCODE(op) == SLJIT_CMP_F64) { \
1505 CHECK(check_sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw)); \
1506 ADJUST_LOCAL_OFFSET(dst, dstw); \
1507 ADJUST_LOCAL_OFFSET(src, srcw); \
1508 return sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw); \
1509 } \
1510 if ((GET_OPCODE(op) | 0x1) == SLJIT_CONV_S32_FROM_F64) { \
1511 CHECK(check_sljit_emit_fop1_conv_sw_from_f64(compiler, op, dst, dstw, src, srcw)); \
1512 ADJUST_LOCAL_OFFSET(dst, dstw); \
1513 ADJUST_LOCAL_OFFSET(src, srcw); \
1514 return sljit_emit_fop1_conv_sw_from_f64(compiler, op, dst, dstw, src, srcw); \
1515 } \
1516 CHECK(check_sljit_emit_fop1_conv_f64_from_sw(compiler, op, dst, dstw, src, srcw)); \
1517 ADJUST_LOCAL_OFFSET(dst, dstw); \
1518 ADJUST_LOCAL_OFFSET(src, srcw); \
1519 return sljit_emit_fop1_conv_f64_from_sw(compiler, op, dst, dstw, src, srcw); \
1520 } \
1521 CHECK(check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw)); \
1522 ADJUST_LOCAL_OFFSET(dst, dstw); \
1523 ADJUST_LOCAL_OFFSET(src, srcw);
1524
emit_mov_before_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)1525 static SLJIT_INLINE sljit_s32 emit_mov_before_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
1526 {
1527 /* Return if don't need to do anything. */
1528 if (op == SLJIT_UNUSED)
1529 return SLJIT_SUCCESS;
1530
1531 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
1532 /* At the moment the pointer size is always equal to sljit_sw. May be changed in the future. */
1533 if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_P))
1534 return SLJIT_SUCCESS;
1535 #else
1536 if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_U32 || op == SLJIT_MOV_S32 || op == SLJIT_MOV_P))
1537 return SLJIT_SUCCESS;
1538 #endif
1539
1540 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) \
1541 || (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1542 compiler->skip_checks = 1;
1543 #endif
1544 return sljit_emit_op1(compiler, op, SLJIT_RETURN_REG, 0, src, srcw);
1545 }
1546
1547 /* CPU description section */
1548
1549 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
1550 #define SLJIT_CPUINFO_PART1 " 32bit ("
1551 #elif (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
1552 #define SLJIT_CPUINFO_PART1 " 64bit ("
1553 #else
1554 #error "Internal error: CPU type info missing"
1555 #endif
1556
1557 #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
1558 #define SLJIT_CPUINFO_PART2 "little endian + "
1559 #elif (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN)
1560 #define SLJIT_CPUINFO_PART2 "big endian + "
1561 #else
1562 #error "Internal error: CPU type info missing"
1563 #endif
1564
1565 #if (defined SLJIT_UNALIGNED && SLJIT_UNALIGNED)
1566 #define SLJIT_CPUINFO_PART3 "unaligned)"
1567 #else
1568 #define SLJIT_CPUINFO_PART3 "aligned)"
1569 #endif
1570
1571 #define SLJIT_CPUINFO SLJIT_CPUINFO_PART1 SLJIT_CPUINFO_PART2 SLJIT_CPUINFO_PART3
1572
1573 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1574 # include "sljitNativeX86_common.c"
1575 #elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
1576 # include "sljitNativeARM_32.c"
1577 #elif (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
1578 # include "sljitNativeARM_32.c"
1579 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
1580 # include "sljitNativeARM_T2_32.c"
1581 #elif (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
1582 # include "sljitNativeARM_64.c"
1583 #elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
1584 # include "sljitNativePPC_common.c"
1585 #elif (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
1586 # include "sljitNativeMIPS_common.c"
1587 #elif (defined SLJIT_CONFIG_SPARC && SLJIT_CONFIG_SPARC)
1588 # include "sljitNativeSPARC_common.c"
1589 #elif (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
1590 # include "sljitNativeTILEGX_64.c"
1591 #endif
1592
1593 #if !(defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
1594
sljit_emit_cmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1595 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
1596 sljit_s32 src1, sljit_sw src1w,
1597 sljit_s32 src2, sljit_sw src2w)
1598 {
1599 /* Default compare for most architectures. */
1600 sljit_s32 flags, tmp_src, condition;
1601 sljit_sw tmp_srcw;
1602
1603 CHECK_ERROR_PTR();
1604 CHECK_PTR(check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w));
1605
1606 condition = type & 0xff;
1607 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
1608 if ((condition == SLJIT_EQUAL || condition == SLJIT_NOT_EQUAL)) {
1609 if ((src1 & SLJIT_IMM) && !src1w) {
1610 src1 = src2;
1611 src1w = src2w;
1612 src2 = SLJIT_IMM;
1613 src2w = 0;
1614 }
1615 if ((src2 & SLJIT_IMM) && !src2w)
1616 return emit_cmp_to0(compiler, type, src1, src1w);
1617 }
1618 #endif
1619
1620 if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
1621 /* Immediate is prefered as second argument by most architectures. */
1622 switch (condition) {
1623 case SLJIT_LESS:
1624 condition = SLJIT_GREATER;
1625 break;
1626 case SLJIT_GREATER_EQUAL:
1627 condition = SLJIT_LESS_EQUAL;
1628 break;
1629 case SLJIT_GREATER:
1630 condition = SLJIT_LESS;
1631 break;
1632 case SLJIT_LESS_EQUAL:
1633 condition = SLJIT_GREATER_EQUAL;
1634 break;
1635 case SLJIT_SIG_LESS:
1636 condition = SLJIT_SIG_GREATER;
1637 break;
1638 case SLJIT_SIG_GREATER_EQUAL:
1639 condition = SLJIT_SIG_LESS_EQUAL;
1640 break;
1641 case SLJIT_SIG_GREATER:
1642 condition = SLJIT_SIG_LESS;
1643 break;
1644 case SLJIT_SIG_LESS_EQUAL:
1645 condition = SLJIT_SIG_GREATER_EQUAL;
1646 break;
1647 }
1648 type = condition | (type & (SLJIT_I32_OP | SLJIT_REWRITABLE_JUMP));
1649 tmp_src = src1;
1650 src1 = src2;
1651 src2 = tmp_src;
1652 tmp_srcw = src1w;
1653 src1w = src2w;
1654 src2w = tmp_srcw;
1655 }
1656
1657 if (condition <= SLJIT_NOT_ZERO)
1658 flags = SLJIT_SET_E;
1659 else if (condition <= SLJIT_LESS_EQUAL)
1660 flags = SLJIT_SET_U;
1661 else
1662 flags = SLJIT_SET_S;
1663
1664 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1665 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1666 compiler->skip_checks = 1;
1667 #endif
1668 PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_I32_OP),
1669 SLJIT_UNUSED, 0, src1, src1w, src2, src2w));
1670 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1671 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1672 compiler->skip_checks = 1;
1673 #endif
1674 return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
1675 }
1676
sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1677 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
1678 sljit_s32 src1, sljit_sw src1w,
1679 sljit_s32 src2, sljit_sw src2w)
1680 {
1681 sljit_s32 flags, condition;
1682
1683 CHECK_ERROR_PTR();
1684 CHECK_PTR(check_sljit_emit_fcmp(compiler, type, src1, src1w, src2, src2w));
1685
1686 condition = type & 0xff;
1687 flags = (condition <= SLJIT_NOT_EQUAL_F64) ? SLJIT_SET_E : SLJIT_SET_S;
1688 if (type & SLJIT_F32_OP)
1689 flags |= SLJIT_F32_OP;
1690
1691 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1692 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1693 compiler->skip_checks = 1;
1694 #endif
1695 sljit_emit_fop1(compiler, SLJIT_CMP_F64 | flags, src1, src1w, src2, src2w);
1696
1697 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1698 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1699 compiler->skip_checks = 1;
1700 #endif
1701 return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
1702 }
1703
1704 #endif
1705
1706 #if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1707
sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)1708 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
1709 {
1710 CHECK_ERROR();
1711 CHECK(check_sljit_get_local_base(compiler, dst, dstw, offset));
1712
1713 ADJUST_LOCAL_OFFSET(SLJIT_MEM1(SLJIT_SP), offset);
1714 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1715 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1716 compiler->skip_checks = 1;
1717 #endif
1718 if (offset != 0)
1719 return sljit_emit_op2(compiler, SLJIT_ADD | SLJIT_KEEP_FLAGS, dst, dstw, SLJIT_SP, 0, SLJIT_IMM, offset);
1720 return sljit_emit_op1(compiler, SLJIT_MOV, dst, dstw, SLJIT_SP, 0);
1721 }
1722
1723 #endif
1724
1725 #else /* SLJIT_CONFIG_UNSUPPORTED */
1726
1727 /* Empty function bodies for those machines, which are not (yet) supported. */
1728
sljit_get_platform_name(void)1729 SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void)
1730 {
1731 return "unsupported";
1732 }
1733
sljit_create_compiler(void)1734 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
1735 {
1736 SLJIT_ASSERT_STOP();
1737 return NULL;
1738 }
1739
sljit_free_compiler(struct sljit_compiler * compiler)1740 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
1741 {
1742 SLJIT_UNUSED_ARG(compiler);
1743 SLJIT_ASSERT_STOP();
1744 }
1745
sljit_alloc_memory(struct sljit_compiler * compiler,sljit_s32 size)1746 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_s32 size)
1747 {
1748 SLJIT_UNUSED_ARG(compiler);
1749 SLJIT_UNUSED_ARG(size);
1750 SLJIT_ASSERT_STOP();
1751 return NULL;
1752 }
1753
1754 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
sljit_compiler_verbose(struct sljit_compiler * compiler,FILE * verbose)1755 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
1756 {
1757 SLJIT_UNUSED_ARG(compiler);
1758 SLJIT_UNUSED_ARG(verbose);
1759 SLJIT_ASSERT_STOP();
1760 }
1761 #endif
1762
sljit_generate_code(struct sljit_compiler * compiler)1763 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
1764 {
1765 SLJIT_UNUSED_ARG(compiler);
1766 SLJIT_ASSERT_STOP();
1767 return NULL;
1768 }
1769
sljit_free_code(void * code)1770 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
1771 {
1772 SLJIT_UNUSED_ARG(code);
1773 SLJIT_ASSERT_STOP();
1774 }
1775
sljit_emit_enter(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 args,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)1776 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
1777 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
1778 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
1779 {
1780 SLJIT_UNUSED_ARG(compiler);
1781 SLJIT_UNUSED_ARG(options);
1782 SLJIT_UNUSED_ARG(args);
1783 SLJIT_UNUSED_ARG(scratches);
1784 SLJIT_UNUSED_ARG(saveds);
1785 SLJIT_UNUSED_ARG(fscratches);
1786 SLJIT_UNUSED_ARG(fsaveds);
1787 SLJIT_UNUSED_ARG(local_size);
1788 SLJIT_ASSERT_STOP();
1789 return SLJIT_ERR_UNSUPPORTED;
1790 }
1791
sljit_set_context(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 args,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)1792 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
1793 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
1794 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
1795 {
1796 SLJIT_UNUSED_ARG(compiler);
1797 SLJIT_UNUSED_ARG(options);
1798 SLJIT_UNUSED_ARG(args);
1799 SLJIT_UNUSED_ARG(scratches);
1800 SLJIT_UNUSED_ARG(saveds);
1801 SLJIT_UNUSED_ARG(fscratches);
1802 SLJIT_UNUSED_ARG(fsaveds);
1803 SLJIT_UNUSED_ARG(local_size);
1804 SLJIT_ASSERT_STOP();
1805 return SLJIT_ERR_UNSUPPORTED;
1806 }
1807
sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)1808 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
1809 {
1810 SLJIT_UNUSED_ARG(compiler);
1811 SLJIT_UNUSED_ARG(op);
1812 SLJIT_UNUSED_ARG(src);
1813 SLJIT_UNUSED_ARG(srcw);
1814 SLJIT_ASSERT_STOP();
1815 return SLJIT_ERR_UNSUPPORTED;
1816 }
1817
sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1818 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1819 {
1820 SLJIT_UNUSED_ARG(compiler);
1821 SLJIT_UNUSED_ARG(dst);
1822 SLJIT_UNUSED_ARG(dstw);
1823 SLJIT_ASSERT_STOP();
1824 return SLJIT_ERR_UNSUPPORTED;
1825 }
1826
sljit_emit_fast_return(struct sljit_compiler * compiler,sljit_s32 src,sljit_sw srcw)1827 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1828 {
1829 SLJIT_UNUSED_ARG(compiler);
1830 SLJIT_UNUSED_ARG(src);
1831 SLJIT_UNUSED_ARG(srcw);
1832 SLJIT_ASSERT_STOP();
1833 return SLJIT_ERR_UNSUPPORTED;
1834 }
1835
sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)1836 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
1837 {
1838 SLJIT_UNUSED_ARG(compiler);
1839 SLJIT_UNUSED_ARG(op);
1840 SLJIT_ASSERT_STOP();
1841 return SLJIT_ERR_UNSUPPORTED;
1842 }
1843
sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1844 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
1845 sljit_s32 dst, sljit_sw dstw,
1846 sljit_s32 src, sljit_sw srcw)
1847 {
1848 SLJIT_UNUSED_ARG(compiler);
1849 SLJIT_UNUSED_ARG(op);
1850 SLJIT_UNUSED_ARG(dst);
1851 SLJIT_UNUSED_ARG(dstw);
1852 SLJIT_UNUSED_ARG(src);
1853 SLJIT_UNUSED_ARG(srcw);
1854 SLJIT_ASSERT_STOP();
1855 return SLJIT_ERR_UNSUPPORTED;
1856 }
1857
sljit_emit_op2(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1858 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
1859 sljit_s32 dst, sljit_sw dstw,
1860 sljit_s32 src1, sljit_sw src1w,
1861 sljit_s32 src2, sljit_sw src2w)
1862 {
1863 SLJIT_UNUSED_ARG(compiler);
1864 SLJIT_UNUSED_ARG(op);
1865 SLJIT_UNUSED_ARG(dst);
1866 SLJIT_UNUSED_ARG(dstw);
1867 SLJIT_UNUSED_ARG(src1);
1868 SLJIT_UNUSED_ARG(src1w);
1869 SLJIT_UNUSED_ARG(src2);
1870 SLJIT_UNUSED_ARG(src2w);
1871 SLJIT_ASSERT_STOP();
1872 return SLJIT_ERR_UNSUPPORTED;
1873 }
1874
sljit_get_register_index(sljit_s32 reg)1875 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
1876 {
1877 SLJIT_ASSERT_STOP();
1878 return reg;
1879 }
1880
sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)1881 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
1882 void *instruction, sljit_s32 size)
1883 {
1884 SLJIT_UNUSED_ARG(compiler);
1885 SLJIT_UNUSED_ARG(instruction);
1886 SLJIT_UNUSED_ARG(size);
1887 SLJIT_ASSERT_STOP();
1888 return SLJIT_ERR_UNSUPPORTED;
1889 }
1890
sljit_is_fpu_available(void)1891 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void)
1892 {
1893 SLJIT_ASSERT_STOP();
1894 return 0;
1895 }
1896
sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1897 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1898 sljit_s32 dst, sljit_sw dstw,
1899 sljit_s32 src, sljit_sw srcw)
1900 {
1901 SLJIT_UNUSED_ARG(compiler);
1902 SLJIT_UNUSED_ARG(op);
1903 SLJIT_UNUSED_ARG(dst);
1904 SLJIT_UNUSED_ARG(dstw);
1905 SLJIT_UNUSED_ARG(src);
1906 SLJIT_UNUSED_ARG(srcw);
1907 SLJIT_ASSERT_STOP();
1908 return SLJIT_ERR_UNSUPPORTED;
1909 }
1910
sljit_emit_fop2(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1911 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1912 sljit_s32 dst, sljit_sw dstw,
1913 sljit_s32 src1, sljit_sw src1w,
1914 sljit_s32 src2, sljit_sw src2w)
1915 {
1916 SLJIT_UNUSED_ARG(compiler);
1917 SLJIT_UNUSED_ARG(op);
1918 SLJIT_UNUSED_ARG(dst);
1919 SLJIT_UNUSED_ARG(dstw);
1920 SLJIT_UNUSED_ARG(src1);
1921 SLJIT_UNUSED_ARG(src1w);
1922 SLJIT_UNUSED_ARG(src2);
1923 SLJIT_UNUSED_ARG(src2w);
1924 SLJIT_ASSERT_STOP();
1925 return SLJIT_ERR_UNSUPPORTED;
1926 }
1927
sljit_emit_label(struct sljit_compiler * compiler)1928 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1929 {
1930 SLJIT_UNUSED_ARG(compiler);
1931 SLJIT_ASSERT_STOP();
1932 return NULL;
1933 }
1934
sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)1935 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1936 {
1937 SLJIT_UNUSED_ARG(compiler);
1938 SLJIT_UNUSED_ARG(type);
1939 SLJIT_ASSERT_STOP();
1940 return NULL;
1941 }
1942
sljit_emit_cmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1943 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
1944 sljit_s32 src1, sljit_sw src1w,
1945 sljit_s32 src2, sljit_sw src2w)
1946 {
1947 SLJIT_UNUSED_ARG(compiler);
1948 SLJIT_UNUSED_ARG(type);
1949 SLJIT_UNUSED_ARG(src1);
1950 SLJIT_UNUSED_ARG(src1w);
1951 SLJIT_UNUSED_ARG(src2);
1952 SLJIT_UNUSED_ARG(src2w);
1953 SLJIT_ASSERT_STOP();
1954 return NULL;
1955 }
1956
sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1957 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
1958 sljit_s32 src1, sljit_sw src1w,
1959 sljit_s32 src2, sljit_sw src2w)
1960 {
1961 SLJIT_UNUSED_ARG(compiler);
1962 SLJIT_UNUSED_ARG(type);
1963 SLJIT_UNUSED_ARG(src1);
1964 SLJIT_UNUSED_ARG(src1w);
1965 SLJIT_UNUSED_ARG(src2);
1966 SLJIT_UNUSED_ARG(src2w);
1967 SLJIT_ASSERT_STOP();
1968 return NULL;
1969 }
1970
sljit_set_label(struct sljit_jump * jump,struct sljit_label * label)1971 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
1972 {
1973 SLJIT_UNUSED_ARG(jump);
1974 SLJIT_UNUSED_ARG(label);
1975 SLJIT_ASSERT_STOP();
1976 }
1977
sljit_set_target(struct sljit_jump * jump,sljit_uw target)1978 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
1979 {
1980 SLJIT_UNUSED_ARG(jump);
1981 SLJIT_UNUSED_ARG(target);
1982 SLJIT_ASSERT_STOP();
1983 }
1984
sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)1985 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1986 {
1987 SLJIT_UNUSED_ARG(compiler);
1988 SLJIT_UNUSED_ARG(type);
1989 SLJIT_UNUSED_ARG(src);
1990 SLJIT_UNUSED_ARG(srcw);
1991 SLJIT_ASSERT_STOP();
1992 return SLJIT_ERR_UNSUPPORTED;
1993 }
1994
sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw,sljit_s32 type)1995 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1996 sljit_s32 dst, sljit_sw dstw,
1997 sljit_s32 src, sljit_sw srcw,
1998 sljit_s32 type)
1999 {
2000 SLJIT_UNUSED_ARG(compiler);
2001 SLJIT_UNUSED_ARG(op);
2002 SLJIT_UNUSED_ARG(dst);
2003 SLJIT_UNUSED_ARG(dstw);
2004 SLJIT_UNUSED_ARG(src);
2005 SLJIT_UNUSED_ARG(srcw);
2006 SLJIT_UNUSED_ARG(type);
2007 SLJIT_ASSERT_STOP();
2008 return SLJIT_ERR_UNSUPPORTED;
2009 }
2010
sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)2011 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
2012 {
2013 SLJIT_UNUSED_ARG(compiler);
2014 SLJIT_UNUSED_ARG(dst);
2015 SLJIT_UNUSED_ARG(dstw);
2016 SLJIT_UNUSED_ARG(offset);
2017 SLJIT_ASSERT_STOP();
2018 return SLJIT_ERR_UNSUPPORTED;
2019 }
2020
sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw initval)2021 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw initval)
2022 {
2023 SLJIT_UNUSED_ARG(compiler);
2024 SLJIT_UNUSED_ARG(dst);
2025 SLJIT_UNUSED_ARG(dstw);
2026 SLJIT_UNUSED_ARG(initval);
2027 SLJIT_ASSERT_STOP();
2028 return NULL;
2029 }
2030
sljit_set_jump_addr(sljit_uw addr,sljit_uw new_addr)2031 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
2032 {
2033 SLJIT_UNUSED_ARG(addr);
2034 SLJIT_UNUSED_ARG(new_addr);
2035 SLJIT_ASSERT_STOP();
2036 }
2037
sljit_set_const(sljit_uw addr,sljit_sw new_constant)2038 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
2039 {
2040 SLJIT_UNUSED_ARG(addr);
2041 SLJIT_UNUSED_ARG(new_constant);
2042 SLJIT_ASSERT_STOP();
2043 }
2044
2045 #endif
2046