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_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
87 
88 #define GET_FLAGS(op) \
89 	((op) & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C))
90 
91 #define GET_ALL_FLAGS(op) \
92 	((op) & (SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
93 
94 #define TYPE_CAST_NEEDED(op) \
95 	(((op) >= SLJIT_MOV_UB && (op) <= SLJIT_MOV_SH) || ((op) >= SLJIT_MOVU_UB && (op) <= SLJIT_MOVU_SH))
96 
97 #define BUF_SIZE	4096
98 
99 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
100 #define ABUF_SIZE	2048
101 #else
102 #define ABUF_SIZE	4096
103 #endif
104 
105 /* Parameter parsing. */
106 #define REG_MASK		0x3f
107 #define OFFS_REG(reg)		(((reg) >> 8) & REG_MASK)
108 #define OFFS_REG_MASK		(REG_MASK << 8)
109 #define TO_OFFS_REG(reg)	((reg) << 8)
110 /* When reg cannot be unused. */
111 #define FAST_IS_REG(reg)	((reg) <= REG_MASK)
112 /* When reg can be unused. */
113 #define SLOW_IS_REG(reg)	((reg) > 0 && (reg) <= REG_MASK)
114 
115 /* Jump flags. */
116 #define JUMP_LABEL	0x1
117 #define JUMP_ADDR	0x2
118 /* SLJIT_REWRITABLE_JUMP is 0x1000. */
119 
120 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
121 #	define PATCH_MB	0x4
122 #	define PATCH_MW	0x8
123 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
124 #	define PATCH_MD	0x10
125 #endif
126 #endif
127 
128 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
129 #	define IS_BL		0x4
130 #	define PATCH_B		0x8
131 #endif
132 
133 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
134 #	define CPOOL_SIZE	512
135 #endif
136 
137 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
138 #	define IS_COND		0x04
139 #	define IS_BL		0x08
140 	/* conditional + imm8 */
141 #	define PATCH_TYPE1	0x10
142 	/* conditional + imm20 */
143 #	define PATCH_TYPE2	0x20
144 	/* IT + imm24 */
145 #	define PATCH_TYPE3	0x30
146 	/* imm11 */
147 #	define PATCH_TYPE4	0x40
148 	/* imm24 */
149 #	define PATCH_TYPE5	0x50
150 	/* BL + imm24 */
151 #	define PATCH_BL		0x60
152 	/* 0xf00 cc code for branches */
153 #endif
154 
155 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
156 #	define IS_COND		0x004
157 #	define IS_CBZ		0x008
158 #	define IS_BL		0x010
159 #	define PATCH_B		0x020
160 #	define PATCH_COND	0x040
161 #	define PATCH_ABS48	0x080
162 #	define PATCH_ABS64	0x100
163 #endif
164 
165 #if (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
166 #	define IS_COND		0x004
167 #	define IS_CALL		0x008
168 #	define PATCH_B		0x010
169 #	define PATCH_ABS_B	0x020
170 #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
171 #	define PATCH_ABS32	0x040
172 #	define PATCH_ABS48	0x080
173 #endif
174 #	define REMOVE_COND	0x100
175 #endif
176 
177 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
178 #	define IS_MOVABLE	0x004
179 #	define IS_JAL		0x008
180 #	define IS_CALL		0x010
181 #	define IS_BIT26_COND	0x020
182 #	define IS_BIT16_COND	0x040
183 
184 #	define IS_COND		(IS_BIT26_COND | IS_BIT16_COND)
185 
186 #	define PATCH_B		0x080
187 #	define PATCH_J		0x100
188 
189 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
190 #	define PATCH_ABS32	0x200
191 #	define PATCH_ABS48	0x400
192 #endif
193 
194 	/* instruction types */
195 #	define MOVABLE_INS	0
196 	/* 1 - 31 last destination register */
197 	/* no destination (i.e: store) */
198 #	define UNMOVABLE_INS	32
199 	/* FPU status register */
200 #	define FCSR_FCC		33
201 #endif
202 
203 #if (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
204 #	define IS_JAL		0x04
205 #	define IS_COND		0x08
206 
207 #	define PATCH_B		0x10
208 #	define PATCH_J		0x20
209 #endif
210 
211 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
212 #	define IS_MOVABLE	0x04
213 #	define IS_COND		0x08
214 #	define IS_CALL		0x10
215 
216 #	define PATCH_B		0x20
217 #	define PATCH_CALL	0x40
218 
219 	/* instruction types */
220 #	define MOVABLE_INS	0
221 	/* 1 - 31 last destination register */
222 	/* no destination (i.e: store) */
223 #	define UNMOVABLE_INS	32
224 
225 #	define DST_INS_MASK	0xff
226 
227 	/* ICC_SET is the same as SET_FLAGS. */
228 #	define ICC_IS_SET	(1 << 23)
229 #	define FCC_IS_SET	(1 << 24)
230 #endif
231 
232 /* Stack management. */
233 
234 #define GET_SAVED_REGISTERS_SIZE(scratches, saveds, extra) \
235 	(((scratches < SLJIT_NUMBER_OF_SCRATCH_REGISTERS ? 0 : (scratches - SLJIT_NUMBER_OF_SCRATCH_REGISTERS)) + \
236 		(saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? saveds : SLJIT_NUMBER_OF_SAVED_REGISTERS) + \
237 		extra) * sizeof(sljit_sw))
238 
239 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
240 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
241 
242 #if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
243 #define FIXED_LOCALS_OFFSET ((2 + 4) * sizeof(sljit_sw))
244 #else
245 /* Maximum 3 arguments are passed on the stack. */
246 #define FIXED_LOCALS_OFFSET ((3 + 4) * sizeof(sljit_sw))
247 #endif
248 
249 #endif /* SLJIT_CONFIG_X86_32 */
250 
251 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
252 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
253 #ifdef _WIN64
254 #define FIXED_LOCALS_OFFSET ((4 + 2) * sizeof(sljit_sw))
255 #else
256 #define FIXED_LOCALS_OFFSET (sizeof(sljit_sw))
257 #endif
258 #endif
259 
260 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
261 #define SLJIT_HAS_VARIABLE_LOCALS_OFFSET 1
262 #endif
263 
264 #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
265 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
266 #ifdef _AIX
267 #define FIXED_LOCALS_OFFSET ((6 + 8) * sizeof(sljit_sw))
268 #else
269 #define FIXED_LOCALS_OFFSET (3 * sizeof(sljit_sw))
270 #endif
271 #endif
272 
273 #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
274 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
275 #define FIXED_LOCALS_OFFSET ((6 + 8) * sizeof(sljit_sw))
276 #endif
277 
278 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
279 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
280 #define FIXED_LOCALS_OFFSET (4 * sizeof(sljit_sw))
281 #endif
282 
283 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
284 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
285 #define FIXED_LOCALS_OFFSET 0
286 #endif
287 
288 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
289 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
290 #define FIXED_LOCALS_OFFSET (23 * sizeof(sljit_sw))
291 #endif
292 
293 #if (defined SLJIT_HAS_VARIABLE_LOCALS_OFFSET && SLJIT_HAS_VARIABLE_LOCALS_OFFSET)
294 
295 #define ADJUST_LOCAL_OFFSET(p, i) \
296 	if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
297 		(i) += compiler->locals_offset;
298 
299 #elif (defined SLJIT_HAS_FIXED_LOCALS_OFFSET && SLJIT_HAS_FIXED_LOCALS_OFFSET)
300 
301 #define ADJUST_LOCAL_OFFSET(p, i) \
302 	if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
303 		(i) += FIXED_LOCALS_OFFSET;
304 
305 #else
306 
307 #define ADJUST_LOCAL_OFFSET(p, i)
308 
309 #endif
310 
311 #endif /* !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) */
312 
313 /* Utils can still be used even if SLJIT_CONFIG_UNSUPPORTED is set. */
314 #include "sljitUtils.c"
315 
316 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
317 
318 #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
319 #include "sljitExecAllocator.c"
320 #endif
321 
322 /* --------------------------------------------------------------------- */
323 /*  Public functions                                                     */
324 /* --------------------------------------------------------------------- */
325 
326 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
327 #define SLJIT_NEEDS_COMPILER_INIT 1
328 static sljit_si compiler_initialized = 0;
329 /* A thread safe initialization. */
330 static void init_compiler(void);
331 #endif
332 
sljit_create_compiler(void)333 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
334 {
335 	struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC(sizeof(struct sljit_compiler));
336 	if (!compiler)
337 		return NULL;
338 	SLJIT_ZEROMEM(compiler, sizeof(struct sljit_compiler));
339 
340 	SLJIT_COMPILE_ASSERT(
341 		sizeof(sljit_sb) == 1 && sizeof(sljit_ub) == 1
342 		&& sizeof(sljit_sh) == 2 && sizeof(sljit_uh) == 2
343 		&& sizeof(sljit_si) == 4 && sizeof(sljit_ui) == 4
344 		&& (sizeof(sljit_p) == 4 || sizeof(sljit_p) == 8)
345 		&& sizeof(sljit_p) <= sizeof(sljit_sw)
346 		&& (sizeof(sljit_sw) == 4 || sizeof(sljit_sw) == 8)
347 		&& (sizeof(sljit_uw) == 4 || sizeof(sljit_uw) == 8),
348 		invalid_integer_types);
349 	SLJIT_COMPILE_ASSERT(SLJIT_INT_OP == SLJIT_SINGLE_OP,
350 		int_op_and_single_op_must_be_the_same);
351 	SLJIT_COMPILE_ASSERT(SLJIT_REWRITABLE_JUMP != SLJIT_SINGLE_OP,
352 		rewritable_jump_and_single_op_must_not_be_the_same);
353 
354 	/* Only the non-zero members must be set. */
355 	compiler->error = SLJIT_SUCCESS;
356 
357 	compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE);
358 	compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE);
359 
360 	if (!compiler->buf || !compiler->abuf) {
361 		if (compiler->buf)
362 			SLJIT_FREE(compiler->buf);
363 		if (compiler->abuf)
364 			SLJIT_FREE(compiler->abuf);
365 		SLJIT_FREE(compiler);
366 		return NULL;
367 	}
368 
369 	compiler->buf->next = NULL;
370 	compiler->buf->used_size = 0;
371 	compiler->abuf->next = NULL;
372 	compiler->abuf->used_size = 0;
373 
374 	compiler->scratches = -1;
375 	compiler->saveds = -1;
376 	compiler->fscratches = -1;
377 	compiler->fsaveds = -1;
378 
379 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
380 	compiler->args = -1;
381 #endif
382 
383 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
384 	compiler->cpool = (sljit_uw*)SLJIT_MALLOC(CPOOL_SIZE * sizeof(sljit_uw) + CPOOL_SIZE * sizeof(sljit_ub));
385 	if (!compiler->cpool) {
386 		SLJIT_FREE(compiler->buf);
387 		SLJIT_FREE(compiler->abuf);
388 		SLJIT_FREE(compiler);
389 		return NULL;
390 	}
391 	compiler->cpool_unique = (sljit_ub*)(compiler->cpool + CPOOL_SIZE);
392 	compiler->cpool_diff = 0xffffffff;
393 #endif
394 
395 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
396 	compiler->delay_slot = UNMOVABLE_INS;
397 #endif
398 
399 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
400 	compiler->delay_slot = UNMOVABLE_INS;
401 #endif
402 
403 #if (defined SLJIT_NEEDS_COMPILER_INIT && SLJIT_NEEDS_COMPILER_INIT)
404 	if (!compiler_initialized) {
405 		init_compiler();
406 		compiler_initialized = 1;
407 	}
408 #endif
409 
410 	return compiler;
411 }
412 
sljit_free_compiler(struct sljit_compiler * compiler)413 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
414 {
415 	struct sljit_memory_fragment *buf;
416 	struct sljit_memory_fragment *curr;
417 
418 	buf = compiler->buf;
419 	while (buf) {
420 		curr = buf;
421 		buf = buf->next;
422 		SLJIT_FREE(curr);
423 	}
424 
425 	buf = compiler->abuf;
426 	while (buf) {
427 		curr = buf;
428 		buf = buf->next;
429 		SLJIT_FREE(curr);
430 	}
431 
432 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
433 	SLJIT_FREE(compiler->cpool);
434 #endif
435 	SLJIT_FREE(compiler);
436 }
437 
438 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
sljit_free_code(void * code)439 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
440 {
441 	/* Remove thumb mode flag. */
442 	SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1));
443 }
444 #elif (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
sljit_free_code(void * code)445 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
446 {
447 	/* Resolve indirection. */
448 	code = (void*)(*(sljit_uw*)code);
449 	SLJIT_FREE_EXEC(code);
450 }
451 #else
sljit_free_code(void * code)452 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
453 {
454 	SLJIT_FREE_EXEC(code);
455 }
456 #endif
457 
sljit_set_label(struct sljit_jump * jump,struct sljit_label * label)458 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
459 {
460 	if (SLJIT_LIKELY(!!jump) && SLJIT_LIKELY(!!label)) {
461 		jump->flags &= ~JUMP_ADDR;
462 		jump->flags |= JUMP_LABEL;
463 		jump->u.label = label;
464 	}
465 }
466 
sljit_set_target(struct sljit_jump * jump,sljit_uw target)467 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
468 {
469 	if (SLJIT_LIKELY(!!jump)) {
470 		jump->flags &= ~JUMP_LABEL;
471 		jump->flags |= JUMP_ADDR;
472 		jump->u.target = target;
473 	}
474 }
475 
476 /* --------------------------------------------------------------------- */
477 /*  Private functions                                                    */
478 /* --------------------------------------------------------------------- */
479 
ensure_buf(struct sljit_compiler * compiler,sljit_uw size)480 static void* ensure_buf(struct sljit_compiler *compiler, sljit_uw size)
481 {
482 	sljit_ub *ret;
483 	struct sljit_memory_fragment *new_frag;
484 
485 	SLJIT_ASSERT(size <= 256);
486 	if (compiler->buf->used_size + size <= (BUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
487 		ret = compiler->buf->memory + compiler->buf->used_size;
488 		compiler->buf->used_size += size;
489 		return ret;
490 	}
491 	new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE);
492 	PTR_FAIL_IF_NULL(new_frag);
493 	new_frag->next = compiler->buf;
494 	compiler->buf = new_frag;
495 	new_frag->used_size = size;
496 	return new_frag->memory;
497 }
498 
ensure_abuf(struct sljit_compiler * compiler,sljit_uw size)499 static void* ensure_abuf(struct sljit_compiler *compiler, sljit_uw size)
500 {
501 	sljit_ub *ret;
502 	struct sljit_memory_fragment *new_frag;
503 
504 	SLJIT_ASSERT(size <= 256);
505 	if (compiler->abuf->used_size + size <= (ABUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
506 		ret = compiler->abuf->memory + compiler->abuf->used_size;
507 		compiler->abuf->used_size += size;
508 		return ret;
509 	}
510 	new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE);
511 	PTR_FAIL_IF_NULL(new_frag);
512 	new_frag->next = compiler->abuf;
513 	compiler->abuf = new_frag;
514 	new_frag->used_size = size;
515 	return new_frag->memory;
516 }
517 
sljit_alloc_memory(struct sljit_compiler * compiler,sljit_si size)518 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_si size)
519 {
520 	CHECK_ERROR_PTR();
521 
522 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
523 	if (size <= 0 || size > 128)
524 		return NULL;
525 	size = (size + 7) & ~7;
526 #else
527 	if (size <= 0 || size > 64)
528 		return NULL;
529 	size = (size + 3) & ~3;
530 #endif
531 	return ensure_abuf(compiler, size);
532 }
533 
reverse_buf(struct sljit_compiler * compiler)534 static SLJIT_INLINE void reverse_buf(struct sljit_compiler *compiler)
535 {
536 	struct sljit_memory_fragment *buf = compiler->buf;
537 	struct sljit_memory_fragment *prev = NULL;
538 	struct sljit_memory_fragment *tmp;
539 
540 	do {
541 		tmp = buf->next;
542 		buf->next = prev;
543 		prev = buf;
544 		buf = tmp;
545 	} while (buf != NULL);
546 
547 	compiler->buf = prev;
548 }
549 
set_label(struct sljit_label * label,struct sljit_compiler * compiler)550 static SLJIT_INLINE void set_label(struct sljit_label *label, struct sljit_compiler *compiler)
551 {
552 	label->next = NULL;
553 	label->size = compiler->size;
554 	if (compiler->last_label)
555 		compiler->last_label->next = label;
556 	else
557 		compiler->labels = label;
558 	compiler->last_label = label;
559 }
560 
set_jump(struct sljit_jump * jump,struct sljit_compiler * compiler,sljit_si flags)561 static SLJIT_INLINE void set_jump(struct sljit_jump *jump, struct sljit_compiler *compiler, sljit_si flags)
562 {
563 	jump->next = NULL;
564 	jump->flags = flags;
565 	if (compiler->last_jump)
566 		compiler->last_jump->next = jump;
567 	else
568 		compiler->jumps = jump;
569 	compiler->last_jump = jump;
570 }
571 
set_const(struct sljit_const * const_,struct sljit_compiler * compiler)572 static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_compiler *compiler)
573 {
574 	const_->next = NULL;
575 	const_->addr = compiler->size;
576 	if (compiler->last_const)
577 		compiler->last_const->next = const_;
578 	else
579 		compiler->consts = const_;
580 	compiler->last_const = const_;
581 }
582 
583 #define ADDRESSING_DEPENDS_ON(exp, reg) \
584 	(((exp) & SLJIT_MEM) && (((exp) & REG_MASK) == reg || OFFS_REG(exp) == reg))
585 
586 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
587 #define FUNCTION_CHECK_OP() \
588 	SLJIT_ASSERT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
589 	switch (GET_OPCODE(op)) { \
590 	case SLJIT_NOT: \
591 	case SLJIT_CLZ: \
592 	case SLJIT_AND: \
593 	case SLJIT_OR: \
594 	case SLJIT_XOR: \
595 	case SLJIT_SHL: \
596 	case SLJIT_LSHR: \
597 	case SLJIT_ASHR: \
598 		SLJIT_ASSERT(!(op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C))); \
599 		break; \
600 	case SLJIT_NEG: \
601 		SLJIT_ASSERT(!(op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))); \
602 		break; \
603 	case SLJIT_MUL: \
604 		SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))); \
605 		break; \
606 	case SLJIT_ADD: \
607 		SLJIT_ASSERT(!(op & (SLJIT_SET_U | SLJIT_SET_S))); \
608 		break; \
609 	case SLJIT_SUB: \
610 		break; \
611 	case SLJIT_ADDC: \
612 	case SLJIT_SUBC: \
613 		SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O))); \
614 		break; \
615 	case SLJIT_BREAKPOINT: \
616 	case SLJIT_NOP: \
617 	case SLJIT_UMUL: \
618 	case SLJIT_SMUL: \
619 	case SLJIT_MOV: \
620 	case SLJIT_MOV_UI: \
621 	case SLJIT_MOV_P: \
622 	case SLJIT_MOVU: \
623 	case SLJIT_MOVU_UI: \
624 	case SLJIT_MOVU_P: \
625 		/* Nothing allowed */ \
626 		SLJIT_ASSERT(!(op & (SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
627 		break; \
628 	default: \
629 		/* Only SLJIT_INT_OP or SLJIT_SINGLE_OP is allowed. */ \
630 		SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
631 		break; \
632 	}
633 
634 #define FUNCTION_CHECK_FOP() \
635 	SLJIT_ASSERT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
636 	switch (GET_OPCODE(op)) { \
637 	case SLJIT_CMPD: \
638 		SLJIT_ASSERT(!(op & (SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
639 		SLJIT_ASSERT((op & (SLJIT_SET_E | SLJIT_SET_S))); \
640 		break; \
641 	default: \
642 		/* Only SLJIT_INT_OP or SLJIT_SINGLE_OP is allowed. */ \
643 		SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
644 		break; \
645 	}
646 
647 #define FUNCTION_CHECK_IS_REG(r) \
648 	((r) == SLJIT_UNUSED || \
649 	((r) >= SLJIT_R0 && (r) < (SLJIT_R0 + compiler->scratches)) || \
650 	((r) > (SLJIT_S0 - compiler->saveds) && (r) <= SLJIT_S0))
651 
652 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
653 #define FUNCTION_ASSERT_IF_VIRTUAL(p) \
654 	SLJIT_ASSERT((p) < SLJIT_R3 || (p) > SLJIT_R6);
655 #else
656 #define FUNCTION_ASSERT_IF_VIRTUAL(p)
657 #endif
658 
659 #define FUNCTION_CHECK_SRC(p, i) \
660 	SLJIT_ASSERT(compiler->scratches != -1 && compiler->saveds != -1); \
661 	if (FUNCTION_CHECK_IS_REG(p)) \
662 		SLJIT_ASSERT((i) == 0 && (p) != SLJIT_UNUSED); \
663 	else if ((p) == SLJIT_IMM) \
664 		; \
665 	else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
666 		SLJIT_ASSERT((i) >= 0 && (i) < compiler->logical_local_size); \
667 	else if ((p) & SLJIT_MEM) { \
668 		SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & REG_MASK)); \
669 		FUNCTION_ASSERT_IF_VIRTUAL((p) & REG_MASK); \
670 		if ((p) & OFFS_REG_MASK) { \
671 			SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
672 			FUNCTION_ASSERT_IF_VIRTUAL(OFFS_REG(p)); \
673 			SLJIT_ASSERT(!((i) & ~0x3)); \
674 		} \
675 		SLJIT_ASSERT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
676 	} \
677 	else \
678 		SLJIT_ASSERT_STOP();
679 
680 #define FUNCTION_CHECK_DST(p, i) \
681 	SLJIT_ASSERT(compiler->scratches != -1 && compiler->saveds != -1); \
682 	if (FUNCTION_CHECK_IS_REG(p)) \
683 		SLJIT_ASSERT((i) == 0); \
684 	else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
685 		SLJIT_ASSERT((i) >= 0 && (i) < compiler->logical_local_size); \
686 	else if ((p) & SLJIT_MEM) { \
687 		SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & REG_MASK)); \
688 		FUNCTION_ASSERT_IF_VIRTUAL((p) & REG_MASK); \
689 		if ((p) & OFFS_REG_MASK) { \
690 			SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
691 			FUNCTION_ASSERT_IF_VIRTUAL(OFFS_REG(p)); \
692 			SLJIT_ASSERT(!((i) & ~0x3)); \
693 		} \
694 		SLJIT_ASSERT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
695 	} \
696 	else \
697 		SLJIT_ASSERT_STOP();
698 
699 #define FUNCTION_FCHECK(p, i) \
700 	SLJIT_ASSERT(compiler->fscratches != -1 && compiler->fsaveds != -1); \
701 	if (((p) >= SLJIT_FR0 && (p) < (SLJIT_FR0 + compiler->fscratches)) || \
702 			((p) > (SLJIT_FS0 - compiler->fsaveds) && (p) <= SLJIT_FS0)) \
703 		SLJIT_ASSERT(i == 0); \
704 	else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
705 		SLJIT_ASSERT((i) >= 0 && (i) < compiler->logical_local_size); \
706 	else if ((p) & SLJIT_MEM) { \
707 		SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & REG_MASK)); \
708 		FUNCTION_ASSERT_IF_VIRTUAL((p) & REG_MASK); \
709 		if ((p) & OFFS_REG_MASK) { \
710 			SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
711 			FUNCTION_ASSERT_IF_VIRTUAL(OFFS_REG(p)); \
712 			SLJIT_ASSERT(((p) & OFFS_REG_MASK) != TO_OFFS_REG(SLJIT_SP) && !(i & ~0x3)); \
713 		} else \
714 			SLJIT_ASSERT(OFFS_REG(p) == 0); \
715 		SLJIT_ASSERT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
716 	} \
717 	else \
718 		SLJIT_ASSERT_STOP();
719 
720 #define FUNCTION_CHECK_OP1() \
721 	if (GET_OPCODE(op) >= SLJIT_MOVU && GET_OPCODE(op) <= SLJIT_MOVU_P) { \
722 		SLJIT_ASSERT(!(src & SLJIT_MEM) || (src & REG_MASK) != SLJIT_SP); \
723 		SLJIT_ASSERT(!(dst & SLJIT_MEM) || (dst & REG_MASK) != SLJIT_SP); \
724 		if ((src & SLJIT_MEM) && (src & REG_MASK)) \
725 			SLJIT_ASSERT((dst & REG_MASK) != (src & REG_MASK) && OFFS_REG(dst) != (src & REG_MASK)); \
726 	}
727 
728 #endif
729 
730 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
731 
sljit_compiler_verbose(struct sljit_compiler * compiler,FILE * verbose)732 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
733 {
734 	compiler->verbose = verbose;
735 }
736 
737 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
738 #ifdef _WIN64
739 #	define SLJIT_PRINT_D	"I64"
740 #else
741 #	define SLJIT_PRINT_D	"l"
742 #endif
743 #else
744 #	define SLJIT_PRINT_D	""
745 #endif
746 
747 #define sljit_verbose_reg(compiler, r) \
748 	do { \
749 		if ((r) < (SLJIT_R0 + compiler->scratches)) \
750 			fprintf(compiler->verbose, "r%d", (r) - SLJIT_R0); \
751 		else \
752 			fprintf(compiler->verbose, "s%d", SLJIT_NUMBER_OF_REGISTERS - (r)); \
753 	} while (0)
754 
755 #define sljit_verbose_param(compiler, p, i) \
756 	if ((p) & SLJIT_IMM) \
757 		fprintf(compiler->verbose, "#%" SLJIT_PRINT_D "d", (i)); \
758 	else if ((p) & SLJIT_MEM) { \
759 		if ((p) & REG_MASK) { \
760 			fputc('[', compiler->verbose); \
761 			sljit_verbose_reg(compiler, (p) & REG_MASK); \
762 			if ((p) & OFFS_REG_MASK) { \
763 				fprintf(compiler->verbose, " + "); \
764 				sljit_verbose_reg(compiler, OFFS_REG(p)); \
765 				if (i) \
766 					fprintf(compiler->verbose, " * %d", 1 << (i)); \
767 			} \
768 			else if (i) \
769 				fprintf(compiler->verbose, " + %" SLJIT_PRINT_D "d", (i)); \
770 			fputc(']', compiler->verbose); \
771 		} \
772 		else \
773 			fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i)); \
774 	} else if (p) \
775 		sljit_verbose_reg(compiler, p); \
776 	else \
777 		fprintf(compiler->verbose, "unused");
778 
779 #define sljit_verbose_fparam(compiler, p, i) \
780 	if ((p) & SLJIT_MEM) { \
781 		if ((p) & REG_MASK) { \
782 			fputc('[', compiler->verbose); \
783 			sljit_verbose_reg(compiler, (p) & REG_MASK); \
784 			if ((p) & OFFS_REG_MASK) { \
785 				fprintf(compiler->verbose, " + "); \
786 				sljit_verbose_reg(compiler, OFFS_REG(p)); \
787 				if (i) \
788 					fprintf(compiler->verbose, "%d", 1 << (i)); \
789 			} \
790 			else if (i) \
791 				fprintf(compiler->verbose, "%" SLJIT_PRINT_D "d", (i)); \
792 			fputc(']', compiler->verbose); \
793 		} \
794 		else \
795 			fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i)); \
796 	} \
797 	else { \
798 		if ((p) < (SLJIT_FR0 + compiler->fscratches)) \
799 			fprintf(compiler->verbose, "fr%d", (p) - SLJIT_FR0); \
800 		else \
801 			fprintf(compiler->verbose, "fs%d", SLJIT_NUMBER_OF_FLOAT_REGISTERS - (p)); \
802 	}
803 
804 static SLJIT_CONST char* op0_names[] = {
805 	(char*)"breakpoint", (char*)"nop",
806 	(char*)"umul", (char*)"smul", (char*)"udiv", (char*)"sdiv",
807 };
808 
809 static SLJIT_CONST char* op1_names[] = {
810 	(char*)"mov", (char*)"mov.ub", (char*)"mov.sb", (char*)"mov.uh",
811 	(char*)"mov.sh", (char*)"mov.ui", (char*)"mov.si", (char*)"mov.p",
812 	(char*)"movu", (char*)"movu.ub", (char*)"movu.sb", (char*)"movu.uh",
813 	(char*)"movu.sh", (char*)"movu.ui", (char*)"movu.si", (char*)"movu.p",
814 	(char*)"not", (char*)"neg", (char*)"clz",
815 };
816 
817 static SLJIT_CONST char* op2_names[] = {
818 	(char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
819 	(char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
820 	(char*)"shl", (char*)"lshr", (char*)"ashr",
821 };
822 
823 static SLJIT_CONST char* fop1_names[] = {
824 	(char*)"mov", (char*)"conv", (char*)"conv", (char*)"conv",
825 	(char*)"conv", (char*)"conv", (char*)"cmp", (char*)"neg",
826 	(char*)"abs",
827 };
828 
829 static SLJIT_CONST char* fop2_names[] = {
830 	(char*)"add", (char*)"sub", (char*)"mul", (char*)"div"
831 };
832 
833 static char* jump_names[] = {
834 	(char*)"equal", (char*)"not_equal",
835 	(char*)"less", (char*)"greater_equal",
836 	(char*)"greater", (char*)"less_equal",
837 	(char*)"sig_less", (char*)"sig_greater_equal",
838 	(char*)"sig_greater", (char*)"sig_less_equal",
839 	(char*)"overflow", (char*)"not_overflow",
840 	(char*)"mul_overflow", (char*)"mul_not_overflow",
841 	(char*)"float_equal", (char*)"float_not_equal",
842 	(char*)"float_less", (char*)"float_greater_equal",
843 	(char*)"float_greater", (char*)"float_less_equal",
844 	(char*)"float_unordered", (char*)"float_ordered",
845 	(char*)"jump", (char*)"fast_call",
846 	(char*)"call0", (char*)"call1", (char*)"call2", (char*)"call3"
847 };
848 
849 #endif
850 
851 /* --------------------------------------------------------------------- */
852 /*  Arch dependent                                                       */
853 /* --------------------------------------------------------------------- */
854 
check_sljit_generate_code(struct sljit_compiler * compiler)855 static SLJIT_INLINE void check_sljit_generate_code(struct sljit_compiler *compiler)
856 {
857 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
858 	struct sljit_jump *jump;
859 #endif
860 	/* If debug and verbose are disabled, all arguments are unused. */
861 	SLJIT_UNUSED_ARG(compiler);
862 
863 	SLJIT_ASSERT(compiler->size > 0);
864 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
865 	jump = compiler->jumps;
866 	while (jump) {
867 		/* All jumps have target. */
868 		SLJIT_ASSERT(jump->flags & (JUMP_LABEL | JUMP_ADDR));
869 		jump = jump->next;
870 	}
871 #endif
872 }
873 
check_sljit_emit_enter(struct sljit_compiler * compiler,sljit_si options,sljit_si args,sljit_si scratches,sljit_si saveds,sljit_si fscratches,sljit_si fsaveds,sljit_si local_size)874 static SLJIT_INLINE void check_sljit_emit_enter(struct sljit_compiler *compiler,
875 	sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
876 	sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
877 {
878 	/* If debug and verbose are disabled, all arguments are unused. */
879 	SLJIT_UNUSED_ARG(compiler);
880 	SLJIT_UNUSED_ARG(options);
881 	SLJIT_UNUSED_ARG(args);
882 	SLJIT_UNUSED_ARG(scratches);
883 	SLJIT_UNUSED_ARG(saveds);
884 	SLJIT_UNUSED_ARG(fscratches);
885 	SLJIT_UNUSED_ARG(fsaveds);
886 	SLJIT_UNUSED_ARG(local_size);
887 
888 	SLJIT_ASSERT(options == 0);
889 	SLJIT_ASSERT(args >= 0 && args <= 3);
890 	SLJIT_ASSERT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
891 	SLJIT_ASSERT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
892 	SLJIT_ASSERT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
893 	SLJIT_ASSERT(args <= saveds);
894 	SLJIT_ASSERT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
895 	SLJIT_ASSERT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
896 	SLJIT_ASSERT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
897 	SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
898 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
899 	if (SLJIT_UNLIKELY(!!compiler->verbose))
900 		fprintf(compiler->verbose, "  enter options:none args:%d scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
901 			args, scratches, saveds, fscratches, fsaveds, local_size);
902 #endif
903 }
904 
check_sljit_set_context(struct sljit_compiler * compiler,sljit_si options,sljit_si args,sljit_si scratches,sljit_si saveds,sljit_si fscratches,sljit_si fsaveds,sljit_si local_size)905 static SLJIT_INLINE void check_sljit_set_context(struct sljit_compiler *compiler,
906 	sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
907 	sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
908 {
909 	/* If debug and verbose are disabled, all arguments are unused. */
910 	SLJIT_UNUSED_ARG(compiler);
911 	SLJIT_UNUSED_ARG(options);
912 	SLJIT_UNUSED_ARG(args);
913 	SLJIT_UNUSED_ARG(scratches);
914 	SLJIT_UNUSED_ARG(saveds);
915 	SLJIT_UNUSED_ARG(fscratches);
916 	SLJIT_UNUSED_ARG(fsaveds);
917 	SLJIT_UNUSED_ARG(local_size);
918 
919 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
920 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
921 		compiler->skip_checks = 0;
922 		return;
923 	}
924 #endif
925 
926 	SLJIT_ASSERT(options == 0);
927 	SLJIT_ASSERT(args >= 0 && args <= 3);
928 	SLJIT_ASSERT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
929 	SLJIT_ASSERT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
930 	SLJIT_ASSERT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
931 	SLJIT_ASSERT(args <= saveds);
932 	SLJIT_ASSERT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
933 	SLJIT_ASSERT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
934 	SLJIT_ASSERT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
935 	SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
936 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
937 	if (SLJIT_UNLIKELY(!!compiler->verbose))
938 		fprintf(compiler->verbose, "  set_context options:none args:%d scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
939 			args, scratches, saveds, fscratches, fsaveds, local_size);
940 #endif
941 }
942 
check_sljit_emit_return(struct sljit_compiler * compiler,sljit_si op,sljit_si src,sljit_sw srcw)943 static SLJIT_INLINE void check_sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
944 {
945 	/* If debug and verbose are disabled, all arguments are unused. */
946 	SLJIT_UNUSED_ARG(compiler);
947 	SLJIT_UNUSED_ARG(op);
948 	SLJIT_UNUSED_ARG(src);
949 	SLJIT_UNUSED_ARG(srcw);
950 
951 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
952 	if (op != SLJIT_UNUSED) {
953 		SLJIT_ASSERT(op >= SLJIT_MOV && op <= SLJIT_MOV_P);
954 		FUNCTION_CHECK_SRC(src, srcw);
955 	}
956 	else
957 		SLJIT_ASSERT(src == 0 && srcw == 0);
958 #endif
959 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
960 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
961 		if (op == SLJIT_UNUSED)
962 			fprintf(compiler->verbose, "  return\n");
963 		else {
964 			fprintf(compiler->verbose, "  return.%s ", op1_names[op - SLJIT_OP1_BASE]);
965 			sljit_verbose_param(compiler, src, srcw);
966 			fprintf(compiler->verbose, "\n");
967 		}
968 	}
969 #endif
970 }
971 
check_sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_si dst,sljit_sw dstw)972 static SLJIT_INLINE void check_sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
973 {
974 	/* If debug and verbose are disabled, all arguments are unused. */
975 	SLJIT_UNUSED_ARG(compiler);
976 	SLJIT_UNUSED_ARG(dst);
977 	SLJIT_UNUSED_ARG(dstw);
978 
979 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
980 	FUNCTION_CHECK_DST(dst, dstw);
981 #endif
982 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
983 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
984 		fprintf(compiler->verbose, "  fast_enter ");
985 		sljit_verbose_param(compiler, dst, dstw);
986 		fprintf(compiler->verbose, "\n");
987 	}
988 #endif
989 }
990 
check_sljit_emit_fast_return(struct sljit_compiler * compiler,sljit_si src,sljit_sw srcw)991 static SLJIT_INLINE void check_sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
992 {
993 	/* If debug and verbose are disabled, all arguments are unused. */
994 	SLJIT_UNUSED_ARG(compiler);
995 	SLJIT_UNUSED_ARG(src);
996 	SLJIT_UNUSED_ARG(srcw);
997 
998 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
999 	FUNCTION_CHECK_SRC(src, srcw);
1000 #endif
1001 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1002 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1003 		fprintf(compiler->verbose, "  fast_return ");
1004 		sljit_verbose_param(compiler, src, srcw);
1005 		fprintf(compiler->verbose, "\n");
1006 	}
1007 #endif
1008 }
1009 
check_sljit_emit_op0(struct sljit_compiler * compiler,sljit_si op)1010 static SLJIT_INLINE void check_sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op)
1011 {
1012 	/* If debug and verbose are disabled, all arguments are unused. */
1013 	SLJIT_UNUSED_ARG(compiler);
1014 	SLJIT_UNUSED_ARG(op);
1015 
1016 	SLJIT_ASSERT((op >= SLJIT_BREAKPOINT && op <= SLJIT_SMUL)
1017 		|| ((op & ~SLJIT_INT_OP) >= SLJIT_UDIV && (op & ~SLJIT_INT_OP) <= SLJIT_SDIV));
1018 	SLJIT_ASSERT(op < SLJIT_UMUL || compiler->scratches >= 2);
1019 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1020 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1021 		fprintf(compiler->verbose, "  %s%s\n", !(op & SLJIT_INT_OP) ? "" : "i", op0_names[GET_OPCODE(op) - SLJIT_OP0_BASE]);
1022 #endif
1023 }
1024 
check_sljit_emit_op1(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src,sljit_sw srcw)1025 static SLJIT_INLINE void check_sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op,
1026 	sljit_si dst, sljit_sw dstw,
1027 	sljit_si src, sljit_sw srcw)
1028 {
1029 	/* If debug and verbose are disabled, all arguments are unused. */
1030 	SLJIT_UNUSED_ARG(compiler);
1031 	SLJIT_UNUSED_ARG(op);
1032 	SLJIT_UNUSED_ARG(dst);
1033 	SLJIT_UNUSED_ARG(dstw);
1034 	SLJIT_UNUSED_ARG(src);
1035 	SLJIT_UNUSED_ARG(srcw);
1036 
1037 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1038 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1039 		compiler->skip_checks = 0;
1040 		return;
1041 	}
1042 #endif
1043 
1044 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_CLZ);
1045 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1046 	FUNCTION_CHECK_OP();
1047 	FUNCTION_CHECK_SRC(src, srcw);
1048 	FUNCTION_CHECK_DST(dst, dstw);
1049 	FUNCTION_CHECK_OP1();
1050 #endif
1051 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1052 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1053 		fprintf(compiler->verbose, "  %s%s%s%s%s%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i", op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE],
1054 			!(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_U) ? "" : ".u", !(op & SLJIT_SET_S) ? "" : ".s",
1055 			!(op & SLJIT_SET_O) ? "" : ".o", !(op & SLJIT_SET_C) ? "" : ".c", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
1056 		sljit_verbose_param(compiler, dst, dstw);
1057 		fprintf(compiler->verbose, ", ");
1058 		sljit_verbose_param(compiler, src, srcw);
1059 		fprintf(compiler->verbose, "\n");
1060 	}
1061 #endif
1062 }
1063 
check_sljit_emit_op2(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1064 static SLJIT_INLINE void check_sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op,
1065 	sljit_si dst, sljit_sw dstw,
1066 	sljit_si src1, sljit_sw src1w,
1067 	sljit_si src2, sljit_sw src2w)
1068 {
1069 	/* If debug and verbose are disabled, all arguments are unused. */
1070 	SLJIT_UNUSED_ARG(compiler);
1071 	SLJIT_UNUSED_ARG(op);
1072 	SLJIT_UNUSED_ARG(dst);
1073 	SLJIT_UNUSED_ARG(dstw);
1074 	SLJIT_UNUSED_ARG(src1);
1075 	SLJIT_UNUSED_ARG(src1w);
1076 	SLJIT_UNUSED_ARG(src2);
1077 	SLJIT_UNUSED_ARG(src2w);
1078 
1079 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1080 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1081 		compiler->skip_checks = 0;
1082 		return;
1083 	}
1084 #endif
1085 
1086 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_ADD && GET_OPCODE(op) <= SLJIT_ASHR);
1087 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1088 	FUNCTION_CHECK_OP();
1089 	FUNCTION_CHECK_SRC(src1, src1w);
1090 	FUNCTION_CHECK_SRC(src2, src2w);
1091 	FUNCTION_CHECK_DST(dst, dstw);
1092 #endif
1093 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1094 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1095 		fprintf(compiler->verbose, "  %s%s%s%s%s%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i", op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE],
1096 			!(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_U) ? "" : ".u", !(op & SLJIT_SET_S) ? "" : ".s",
1097 			!(op & SLJIT_SET_O) ? "" : ".o", !(op & SLJIT_SET_C) ? "" : ".c", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
1098 		sljit_verbose_param(compiler, dst, dstw);
1099 		fprintf(compiler->verbose, ", ");
1100 		sljit_verbose_param(compiler, src1, src1w);
1101 		fprintf(compiler->verbose, ", ");
1102 		sljit_verbose_param(compiler, src2, src2w);
1103 		fprintf(compiler->verbose, "\n");
1104 	}
1105 #endif
1106 }
1107 
check_sljit_get_register_index(sljit_si reg)1108 static SLJIT_INLINE void check_sljit_get_register_index(sljit_si reg)
1109 {
1110 	SLJIT_UNUSED_ARG(reg);
1111 	SLJIT_ASSERT(reg > 0 && reg <= SLJIT_NUMBER_OF_REGISTERS);
1112 }
1113 
check_sljit_get_float_register_index(sljit_si reg)1114 static SLJIT_INLINE void check_sljit_get_float_register_index(sljit_si reg)
1115 {
1116 	SLJIT_UNUSED_ARG(reg);
1117 	SLJIT_ASSERT(reg > 0 && reg <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1118 }
1119 
check_sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_si size)1120 static SLJIT_INLINE void check_sljit_emit_op_custom(struct sljit_compiler *compiler,
1121 	void *instruction, sljit_si size)
1122 {
1123 	SLJIT_UNUSED_ARG(compiler);
1124 	SLJIT_UNUSED_ARG(instruction);
1125 	SLJIT_UNUSED_ARG(size);
1126 	SLJIT_ASSERT(instruction);
1127 }
1128 
1129 #define SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw) \
1130 	SLJIT_ASSERT(sljit_is_fpu_available()); \
1131 	SLJIT_COMPILE_ASSERT(!(SLJIT_CONVW_FROMD & 0x1) && !(SLJIT_CONVD_FROMW & 0x1), \
1132 		invalid_float_opcodes); \
1133 	if (GET_OPCODE(op) >= SLJIT_CONVW_FROMD && GET_OPCODE(op) <= SLJIT_CMPD) { \
1134 		if (GET_OPCODE(op) == SLJIT_CMPD) { \
1135 			check_sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw); \
1136 			ADJUST_LOCAL_OFFSET(dst, dstw); \
1137 			ADJUST_LOCAL_OFFSET(src, srcw); \
1138 			return sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw); \
1139 		} \
1140 		if ((GET_OPCODE(op) | 0x1) == SLJIT_CONVI_FROMD) { \
1141 			check_sljit_emit_fop1_convw_fromd(compiler, op, dst, dstw, src, srcw); \
1142 			ADJUST_LOCAL_OFFSET(dst, dstw); \
1143 			ADJUST_LOCAL_OFFSET(src, srcw); \
1144 			return sljit_emit_fop1_convw_fromd(compiler, op, dst, dstw, src, srcw); \
1145 		} \
1146 		check_sljit_emit_fop1_convd_fromw(compiler, op, dst, dstw, src, srcw); \
1147 		ADJUST_LOCAL_OFFSET(dst, dstw); \
1148 		ADJUST_LOCAL_OFFSET(src, srcw); \
1149 		return sljit_emit_fop1_convd_fromw(compiler, op, dst, dstw, src, srcw); \
1150 	} \
1151 	check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw); \
1152 	ADJUST_LOCAL_OFFSET(dst, dstw); \
1153 	ADJUST_LOCAL_OFFSET(src, srcw);
1154 
check_sljit_emit_fop1(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src,sljit_sw srcw)1155 static SLJIT_INLINE void check_sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op,
1156 	sljit_si dst, sljit_sw dstw,
1157 	sljit_si src, sljit_sw srcw)
1158 {
1159 	/* If debug and verbose are disabled, all arguments are unused. */
1160 	SLJIT_UNUSED_ARG(compiler);
1161 	SLJIT_UNUSED_ARG(op);
1162 	SLJIT_UNUSED_ARG(dst);
1163 	SLJIT_UNUSED_ARG(dstw);
1164 	SLJIT_UNUSED_ARG(src);
1165 	SLJIT_UNUSED_ARG(srcw);
1166 
1167 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1168 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1169 		compiler->skip_checks = 0;
1170 		return;
1171 	}
1172 #endif
1173 
1174 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_MOVD && GET_OPCODE(op) <= SLJIT_ABSD);
1175 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1176 	FUNCTION_CHECK_FOP();
1177 	FUNCTION_FCHECK(src, srcw);
1178 	FUNCTION_FCHECK(dst, dstw);
1179 #endif
1180 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1181 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1182 		fprintf(compiler->verbose, "  %s%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1183 			(GET_OPCODE(op) == SLJIT_CONVD_FROMS)
1184 			? ((op & SLJIT_SINGLE_OP) ? "s.fromd" : "d.froms")
1185 			: ((op & SLJIT_SINGLE_OP) ? "s" : "d"));
1186 		sljit_verbose_fparam(compiler, dst, dstw);
1187 		fprintf(compiler->verbose, ", ");
1188 		sljit_verbose_fparam(compiler, src, srcw);
1189 		fprintf(compiler->verbose, "\n");
1190 	}
1191 #endif
1192 }
1193 
check_sljit_emit_fop1_cmp(struct sljit_compiler * compiler,sljit_si op,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1194 static SLJIT_INLINE void check_sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_si op,
1195 	sljit_si src1, sljit_sw src1w,
1196 	sljit_si src2, sljit_sw src2w)
1197 {
1198 	/* If debug and verbose are disabled, all arguments are unused. */
1199 	SLJIT_UNUSED_ARG(compiler);
1200 	SLJIT_UNUSED_ARG(op);
1201 	SLJIT_UNUSED_ARG(src1);
1202 	SLJIT_UNUSED_ARG(src1w);
1203 	SLJIT_UNUSED_ARG(src2);
1204 	SLJIT_UNUSED_ARG(src2w);
1205 
1206 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1207 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1208 		compiler->skip_checks = 0;
1209 		return;
1210 	}
1211 #endif
1212 
1213 	SLJIT_ASSERT(GET_OPCODE(op) == SLJIT_CMPD);
1214 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1215 	FUNCTION_CHECK_FOP();
1216 	FUNCTION_FCHECK(src1, src1w);
1217 	FUNCTION_FCHECK(src2, src2w);
1218 #endif
1219 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1220 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1221 		fprintf(compiler->verbose, "  %s%s%s%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE], (op & SLJIT_SINGLE_OP) ? "s" : "d",
1222 			!(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_S) ? "" : ".s");
1223 		sljit_verbose_fparam(compiler, src1, src1w);
1224 		fprintf(compiler->verbose, ", ");
1225 		sljit_verbose_fparam(compiler, src2, src2w);
1226 		fprintf(compiler->verbose, "\n");
1227 	}
1228 #endif
1229 }
1230 
check_sljit_emit_fop1_convw_fromd(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src,sljit_sw srcw)1231 static SLJIT_INLINE void check_sljit_emit_fop1_convw_fromd(struct sljit_compiler *compiler, sljit_si op,
1232 	sljit_si dst, sljit_sw dstw,
1233 	sljit_si src, sljit_sw srcw)
1234 {
1235 	/* If debug and verbose are disabled, all arguments are unused. */
1236 	SLJIT_UNUSED_ARG(compiler);
1237 	SLJIT_UNUSED_ARG(op);
1238 	SLJIT_UNUSED_ARG(dst);
1239 	SLJIT_UNUSED_ARG(dstw);
1240 	SLJIT_UNUSED_ARG(src);
1241 	SLJIT_UNUSED_ARG(srcw);
1242 
1243 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1244 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1245 		compiler->skip_checks = 0;
1246 		return;
1247 	}
1248 #endif
1249 
1250 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_CONVW_FROMD && GET_OPCODE(op) <= SLJIT_CONVI_FROMD);
1251 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
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_CONVI_FROMD) ? "i" : "w",
1260 			(op & SLJIT_SINGLE_OP) ? "s" : "d");
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 }
1268 
check_sljit_emit_fop1_convd_fromw(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src,sljit_sw srcw)1269 static SLJIT_INLINE void check_sljit_emit_fop1_convd_fromw(struct sljit_compiler *compiler, sljit_si op,
1270 	sljit_si dst, sljit_sw dstw,
1271 	sljit_si src, sljit_sw srcw)
1272 {
1273 	/* If debug and verbose are disabled, all arguments are unused. */
1274 	SLJIT_UNUSED_ARG(compiler);
1275 	SLJIT_UNUSED_ARG(op);
1276 	SLJIT_UNUSED_ARG(dst);
1277 	SLJIT_UNUSED_ARG(dstw);
1278 	SLJIT_UNUSED_ARG(src);
1279 	SLJIT_UNUSED_ARG(srcw);
1280 
1281 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1282 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1283 		compiler->skip_checks = 0;
1284 		return;
1285 	}
1286 #endif
1287 
1288 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_CONVD_FROMW && GET_OPCODE(op) <= SLJIT_CONVD_FROMI);
1289 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1290 	FUNCTION_CHECK_FOP();
1291 	FUNCTION_CHECK_SRC(src, srcw);
1292 	FUNCTION_FCHECK(dst, dstw);
1293 #endif
1294 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1295 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1296 		fprintf(compiler->verbose, "  %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1297 			(op & SLJIT_SINGLE_OP) ? "s" : "d",
1298 			(GET_OPCODE(op) == SLJIT_CONVD_FROMI) ? "i" : "w");
1299 		sljit_verbose_fparam(compiler, dst, dstw);
1300 		fprintf(compiler->verbose, ", ");
1301 		sljit_verbose_param(compiler, src, srcw);
1302 		fprintf(compiler->verbose, "\n");
1303 	}
1304 #endif
1305 }
1306 
check_sljit_emit_fop2(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1307 static SLJIT_INLINE void check_sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op,
1308 	sljit_si dst, sljit_sw dstw,
1309 	sljit_si src1, sljit_sw src1w,
1310 	sljit_si src2, sljit_sw src2w)
1311 {
1312 	/* If debug and verbose are disabled, all arguments are unused. */
1313 	SLJIT_UNUSED_ARG(compiler);
1314 	SLJIT_UNUSED_ARG(op);
1315 	SLJIT_UNUSED_ARG(dst);
1316 	SLJIT_UNUSED_ARG(dstw);
1317 	SLJIT_UNUSED_ARG(src1);
1318 	SLJIT_UNUSED_ARG(src1w);
1319 	SLJIT_UNUSED_ARG(src2);
1320 	SLJIT_UNUSED_ARG(src2w);
1321 
1322 	SLJIT_ASSERT(sljit_is_fpu_available());
1323 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_ADDD && GET_OPCODE(op) <= SLJIT_DIVD);
1324 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1325 	FUNCTION_CHECK_FOP();
1326 	FUNCTION_FCHECK(src1, src1w);
1327 	FUNCTION_FCHECK(src2, src2w);
1328 	FUNCTION_FCHECK(dst, dstw);
1329 #endif
1330 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1331 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1332 		fprintf(compiler->verbose, "  %s%s ", fop2_names[GET_OPCODE(op) - SLJIT_FOP2_BASE], (op & SLJIT_SINGLE_OP) ? "s" : "d");
1333 		sljit_verbose_fparam(compiler, dst, dstw);
1334 		fprintf(compiler->verbose, ", ");
1335 		sljit_verbose_fparam(compiler, src1, src1w);
1336 		fprintf(compiler->verbose, ", ");
1337 		sljit_verbose_fparam(compiler, src2, src2w);
1338 		fprintf(compiler->verbose, "\n");
1339 	}
1340 #endif
1341 }
1342 
check_sljit_emit_label(struct sljit_compiler * compiler)1343 static SLJIT_INLINE void check_sljit_emit_label(struct sljit_compiler *compiler)
1344 {
1345 	/* If debug and verbose are disabled, all arguments are unused. */
1346 	SLJIT_UNUSED_ARG(compiler);
1347 
1348 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1349 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1350 		fprintf(compiler->verbose, "label:\n");
1351 #endif
1352 }
1353 
check_sljit_emit_jump(struct sljit_compiler * compiler,sljit_si type)1354 static SLJIT_INLINE void check_sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type)
1355 {
1356 	/* If debug and verbose are disabled, all arguments are unused. */
1357 	SLJIT_UNUSED_ARG(compiler);
1358 	SLJIT_UNUSED_ARG(type);
1359 
1360 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1361 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1362 		compiler->skip_checks = 0;
1363 		return;
1364 	}
1365 #endif
1366 
1367 	SLJIT_ASSERT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP)));
1368 	SLJIT_ASSERT((type & 0xff) >= SLJIT_C_EQUAL && (type & 0xff) <= SLJIT_CALL3);
1369 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1370 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1371 		fprintf(compiler->verbose, "  jump%s.%s\n", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", jump_names[type & 0xff]);
1372 #endif
1373 }
1374 
check_sljit_emit_cmp(struct sljit_compiler * compiler,sljit_si type,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1375 static SLJIT_INLINE void check_sljit_emit_cmp(struct sljit_compiler *compiler, sljit_si type,
1376 	sljit_si src1, sljit_sw src1w,
1377 	sljit_si src2, sljit_sw src2w)
1378 {
1379 	SLJIT_UNUSED_ARG(compiler);
1380 	SLJIT_UNUSED_ARG(type);
1381 	SLJIT_UNUSED_ARG(src1);
1382 	SLJIT_UNUSED_ARG(src1w);
1383 	SLJIT_UNUSED_ARG(src2);
1384 	SLJIT_UNUSED_ARG(src2w);
1385 
1386 	SLJIT_ASSERT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_INT_OP)));
1387 	SLJIT_ASSERT((type & 0xff) >= SLJIT_C_EQUAL && (type & 0xff) <= SLJIT_C_SIG_LESS_EQUAL);
1388 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1389 	FUNCTION_CHECK_SRC(src1, src1w);
1390 	FUNCTION_CHECK_SRC(src2, src2w);
1391 #endif
1392 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1393 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1394 		fprintf(compiler->verbose, "  %scmp%s.%s ", !(type & SLJIT_INT_OP) ? "" : "i", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", jump_names[type & 0xff]);
1395 		sljit_verbose_param(compiler, src1, src1w);
1396 		fprintf(compiler->verbose, ", ");
1397 		sljit_verbose_param(compiler, src2, src2w);
1398 		fprintf(compiler->verbose, "\n");
1399 	}
1400 #endif
1401 }
1402 
check_sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_si type,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1403 static SLJIT_INLINE void check_sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_si type,
1404 	sljit_si src1, sljit_sw src1w,
1405 	sljit_si src2, sljit_sw src2w)
1406 {
1407 	SLJIT_UNUSED_ARG(compiler);
1408 	SLJIT_UNUSED_ARG(type);
1409 	SLJIT_UNUSED_ARG(src1);
1410 	SLJIT_UNUSED_ARG(src1w);
1411 	SLJIT_UNUSED_ARG(src2);
1412 	SLJIT_UNUSED_ARG(src2w);
1413 
1414 	SLJIT_ASSERT(sljit_is_fpu_available());
1415 	SLJIT_ASSERT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_SINGLE_OP)));
1416 	SLJIT_ASSERT((type & 0xff) >= SLJIT_C_FLOAT_EQUAL && (type & 0xff) <= SLJIT_C_FLOAT_ORDERED);
1417 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1418 	FUNCTION_FCHECK(src1, src1w);
1419 	FUNCTION_FCHECK(src2, src2w);
1420 #endif
1421 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1422 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1423 		fprintf(compiler->verbose, "  %scmp%s.%s ", (type & SLJIT_SINGLE_OP) ? "s" : "d",
1424 			!(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", jump_names[type & 0xff]);
1425 		sljit_verbose_fparam(compiler, src1, src1w);
1426 		fprintf(compiler->verbose, ", ");
1427 		sljit_verbose_fparam(compiler, src2, src2w);
1428 		fprintf(compiler->verbose, "\n");
1429 	}
1430 #endif
1431 }
1432 
check_sljit_emit_ijump(struct sljit_compiler * compiler,sljit_si type,sljit_si src,sljit_sw srcw)1433 static SLJIT_INLINE void check_sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw)
1434 {
1435 	/* If debug and verbose are disabled, all arguments are unused. */
1436 	SLJIT_UNUSED_ARG(compiler);
1437 	SLJIT_UNUSED_ARG(type);
1438 	SLJIT_UNUSED_ARG(src);
1439 	SLJIT_UNUSED_ARG(srcw);
1440 
1441 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1442 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1443 		compiler->skip_checks = 0;
1444 		return;
1445 	}
1446 #endif
1447 
1448 	SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
1449 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1450 	FUNCTION_CHECK_SRC(src, srcw);
1451 #endif
1452 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1453 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1454 		fprintf(compiler->verbose, "  ijump.%s ", jump_names[type]);
1455 		sljit_verbose_param(compiler, src, srcw);
1456 		fprintf(compiler->verbose, "\n");
1457 	}
1458 #endif
1459 }
1460 
check_sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src,sljit_sw srcw,sljit_si type)1461 static SLJIT_INLINE void check_sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op,
1462 	sljit_si dst, sljit_sw dstw,
1463 	sljit_si src, sljit_sw srcw,
1464 	sljit_si type)
1465 {
1466 	/* If debug and verbose are disabled, all arguments are unused. */
1467 	SLJIT_UNUSED_ARG(compiler);
1468 	SLJIT_UNUSED_ARG(op);
1469 	SLJIT_UNUSED_ARG(dst);
1470 	SLJIT_UNUSED_ARG(dstw);
1471 	SLJIT_UNUSED_ARG(src);
1472 	SLJIT_UNUSED_ARG(srcw);
1473 	SLJIT_UNUSED_ARG(type);
1474 
1475 	SLJIT_ASSERT(type >= SLJIT_C_EQUAL && type < SLJIT_JUMP);
1476 	SLJIT_ASSERT(op == SLJIT_MOV || GET_OPCODE(op) == SLJIT_MOV_UI || GET_OPCODE(op) == SLJIT_MOV_SI
1477 		|| (GET_OPCODE(op) >= SLJIT_AND && GET_OPCODE(op) <= SLJIT_XOR));
1478 	SLJIT_ASSERT((op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C)) == 0);
1479 	SLJIT_ASSERT((op & (SLJIT_SET_E | SLJIT_KEEP_FLAGS)) != (SLJIT_SET_E | SLJIT_KEEP_FLAGS));
1480 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1481 	if (GET_OPCODE(op) < SLJIT_ADD) {
1482 		SLJIT_ASSERT(src == SLJIT_UNUSED && srcw == 0);
1483 	} else {
1484 		SLJIT_ASSERT(src == dst && srcw == dstw);
1485 	}
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, "  %sflags.%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i",
1491 			GET_OPCODE(op) >= SLJIT_OP2_BASE ? op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE] : op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE],
1492 			!(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
1493 		sljit_verbose_param(compiler, dst, dstw);
1494 		if (src != SLJIT_UNUSED) {
1495 			fprintf(compiler->verbose, ", ");
1496 			sljit_verbose_param(compiler, src, srcw);
1497 		}
1498 		fprintf(compiler->verbose, ", %s\n", jump_names[type]);
1499 	}
1500 #endif
1501 }
1502 
check_sljit_get_local_base(struct sljit_compiler * compiler,sljit_si dst,sljit_sw dstw,sljit_sw offset)1503 static SLJIT_INLINE void check_sljit_get_local_base(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw offset)
1504 {
1505 	SLJIT_UNUSED_ARG(compiler);
1506 	SLJIT_UNUSED_ARG(dst);
1507 	SLJIT_UNUSED_ARG(dstw);
1508 	SLJIT_UNUSED_ARG(offset);
1509 
1510 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1511 	FUNCTION_CHECK_DST(dst, dstw);
1512 #endif
1513 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1514 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1515 		fprintf(compiler->verbose, "  local_base ");
1516 		sljit_verbose_param(compiler, dst, dstw);
1517 		fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", offset);
1518 	}
1519 #endif
1520 }
1521 
check_sljit_emit_const(struct sljit_compiler * compiler,sljit_si dst,sljit_sw dstw,sljit_sw init_value)1522 static SLJIT_INLINE void check_sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value)
1523 {
1524 	/* If debug and verbose are disabled, all arguments are unused. */
1525 	SLJIT_UNUSED_ARG(compiler);
1526 	SLJIT_UNUSED_ARG(dst);
1527 	SLJIT_UNUSED_ARG(dstw);
1528 	SLJIT_UNUSED_ARG(init_value);
1529 
1530 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
1531 	FUNCTION_CHECK_DST(dst, dstw);
1532 #endif
1533 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1534 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1535 		fprintf(compiler->verbose, "  const ");
1536 		sljit_verbose_param(compiler, dst, dstw);
1537 		fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", init_value);
1538 	}
1539 #endif
1540 }
1541 
emit_mov_before_return(struct sljit_compiler * compiler,sljit_si op,sljit_si src,sljit_sw srcw)1542 static SLJIT_INLINE sljit_si emit_mov_before_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
1543 {
1544 	/* Return if don't need to do anything. */
1545 	if (op == SLJIT_UNUSED)
1546 		return SLJIT_SUCCESS;
1547 
1548 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
1549 	/* At the moment the pointer size is always equal to sljit_sw. May be changed in the future. */
1550 	if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_P))
1551 		return SLJIT_SUCCESS;
1552 #else
1553 	if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_UI || op == SLJIT_MOV_SI || op == SLJIT_MOV_P))
1554 		return SLJIT_SUCCESS;
1555 #endif
1556 
1557 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1558 	compiler->skip_checks = 1;
1559 #endif
1560 	return sljit_emit_op1(compiler, op, SLJIT_RETURN_REG, 0, src, srcw);
1561 }
1562 
1563 /* CPU description section */
1564 
1565 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
1566 #define SLJIT_CPUINFO_PART1 " 32bit ("
1567 #elif (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
1568 #define SLJIT_CPUINFO_PART1 " 64bit ("
1569 #else
1570 #error "Internal error: CPU type info missing"
1571 #endif
1572 
1573 #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
1574 #define SLJIT_CPUINFO_PART2 "little endian + "
1575 #elif (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN)
1576 #define SLJIT_CPUINFO_PART2 "big endian + "
1577 #else
1578 #error "Internal error: CPU type info missing"
1579 #endif
1580 
1581 #if (defined SLJIT_UNALIGNED && SLJIT_UNALIGNED)
1582 #define SLJIT_CPUINFO_PART3 "unaligned)"
1583 #else
1584 #define SLJIT_CPUINFO_PART3 "aligned)"
1585 #endif
1586 
1587 #define SLJIT_CPUINFO SLJIT_CPUINFO_PART1 SLJIT_CPUINFO_PART2 SLJIT_CPUINFO_PART3
1588 
1589 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1590 #	include "sljitNativeX86_common.c"
1591 #elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
1592 #	include "sljitNativeARM_32.c"
1593 #elif (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
1594 #	include "sljitNativeARM_32.c"
1595 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
1596 #	include "sljitNativeARM_T2_32.c"
1597 #elif (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
1598 #	include "sljitNativeARM_64.c"
1599 #elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
1600 #	include "sljitNativePPC_common.c"
1601 #elif (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
1602 #	include "sljitNativeMIPS_common.c"
1603 #elif (defined SLJIT_CONFIG_SPARC && SLJIT_CONFIG_SPARC)
1604 #	include "sljitNativeSPARC_common.c"
1605 #elif (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
1606 #	include "sljitNativeTILEGX_64.c"
1607 #endif
1608 
1609 #if !(defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
1610 
sljit_emit_cmp(struct sljit_compiler * compiler,sljit_si type,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1611 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_si type,
1612 	sljit_si src1, sljit_sw src1w,
1613 	sljit_si src2, sljit_sw src2w)
1614 {
1615 	/* Default compare for most architectures. */
1616 	sljit_si flags, tmp_src, condition;
1617 	sljit_sw tmp_srcw;
1618 
1619 	CHECK_ERROR_PTR();
1620 	check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w);
1621 
1622 	condition = type & 0xff;
1623 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
1624 	if ((condition == SLJIT_C_EQUAL || condition == SLJIT_C_NOT_EQUAL)) {
1625 		if ((src1 & SLJIT_IMM) && !src1w) {
1626 			src1 = src2;
1627 			src1w = src2w;
1628 			src2 = SLJIT_IMM;
1629 			src2w = 0;
1630 		}
1631 		if ((src2 & SLJIT_IMM) && !src2w)
1632 			return emit_cmp_to0(compiler, type, src1, src1w);
1633 	}
1634 #endif
1635 
1636 	if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
1637 		/* Immediate is prefered as second argument by most architectures. */
1638 		switch (condition) {
1639 		case SLJIT_C_LESS:
1640 			condition = SLJIT_C_GREATER;
1641 			break;
1642 		case SLJIT_C_GREATER_EQUAL:
1643 			condition = SLJIT_C_LESS_EQUAL;
1644 			break;
1645 		case SLJIT_C_GREATER:
1646 			condition = SLJIT_C_LESS;
1647 			break;
1648 		case SLJIT_C_LESS_EQUAL:
1649 			condition = SLJIT_C_GREATER_EQUAL;
1650 			break;
1651 		case SLJIT_C_SIG_LESS:
1652 			condition = SLJIT_C_SIG_GREATER;
1653 			break;
1654 		case SLJIT_C_SIG_GREATER_EQUAL:
1655 			condition = SLJIT_C_SIG_LESS_EQUAL;
1656 			break;
1657 		case SLJIT_C_SIG_GREATER:
1658 			condition = SLJIT_C_SIG_LESS;
1659 			break;
1660 		case SLJIT_C_SIG_LESS_EQUAL:
1661 			condition = SLJIT_C_SIG_GREATER_EQUAL;
1662 			break;
1663 		}
1664 		type = condition | (type & (SLJIT_INT_OP | SLJIT_REWRITABLE_JUMP));
1665 		tmp_src = src1;
1666 		src1 = src2;
1667 		src2 = tmp_src;
1668 		tmp_srcw = src1w;
1669 		src1w = src2w;
1670 		src2w = tmp_srcw;
1671 	}
1672 
1673 	if (condition <= SLJIT_C_NOT_ZERO)
1674 		flags = SLJIT_SET_E;
1675 	else if (condition <= SLJIT_C_LESS_EQUAL)
1676 		flags = SLJIT_SET_U;
1677 	else
1678 		flags = SLJIT_SET_S;
1679 
1680 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1681 	compiler->skip_checks = 1;
1682 #endif
1683 	PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_INT_OP),
1684 		SLJIT_UNUSED, 0, src1, src1w, src2, src2w));
1685 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1686 	compiler->skip_checks = 1;
1687 #endif
1688 	return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
1689 }
1690 
sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_si type,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1691 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_si type,
1692 	sljit_si src1, sljit_sw src1w,
1693 	sljit_si src2, sljit_sw src2w)
1694 {
1695 	sljit_si flags, condition;
1696 
1697 	check_sljit_emit_fcmp(compiler, type, src1, src1w, src2, src2w);
1698 
1699 	condition = type & 0xff;
1700 	flags = (condition <= SLJIT_C_FLOAT_NOT_EQUAL) ? SLJIT_SET_E : SLJIT_SET_S;
1701 	if (type & SLJIT_SINGLE_OP)
1702 		flags |= SLJIT_SINGLE_OP;
1703 
1704 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1705 	compiler->skip_checks = 1;
1706 #endif
1707 	sljit_emit_fop1(compiler, SLJIT_CMPD | flags, src1, src1w, src2, src2w);
1708 
1709 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1710 	compiler->skip_checks = 1;
1711 #endif
1712 	return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
1713 }
1714 
1715 #endif
1716 
1717 #if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1718 
sljit_get_local_base(struct sljit_compiler * compiler,sljit_si dst,sljit_sw dstw,sljit_sw offset)1719 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_local_base(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw offset)
1720 {
1721 	CHECK_ERROR();
1722 	check_sljit_get_local_base(compiler, dst, dstw, offset);
1723 
1724 	ADJUST_LOCAL_OFFSET(SLJIT_MEM1(SLJIT_SP), offset);
1725 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
1726 	compiler->skip_checks = 1;
1727 #endif
1728 	if (offset != 0)
1729 		return sljit_emit_op2(compiler, SLJIT_ADD | SLJIT_KEEP_FLAGS, dst, dstw, SLJIT_SP, 0, SLJIT_IMM, offset);
1730 	return sljit_emit_op1(compiler, SLJIT_MOV, dst, dstw, SLJIT_SP, 0);
1731 }
1732 
1733 #endif
1734 
1735 #else /* SLJIT_CONFIG_UNSUPPORTED */
1736 
1737 /* Empty function bodies for those machines, which are not (yet) supported. */
1738 
sljit_get_platform_name(void)1739 SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name(void)
1740 {
1741 	return "unsupported";
1742 }
1743 
sljit_create_compiler(void)1744 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
1745 {
1746 	SLJIT_ASSERT_STOP();
1747 	return NULL;
1748 }
1749 
sljit_free_compiler(struct sljit_compiler * compiler)1750 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
1751 {
1752 	SLJIT_UNUSED_ARG(compiler);
1753 	SLJIT_ASSERT_STOP();
1754 }
1755 
sljit_alloc_memory(struct sljit_compiler * compiler,sljit_si size)1756 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_si size)
1757 {
1758 	SLJIT_UNUSED_ARG(compiler);
1759 	SLJIT_UNUSED_ARG(size);
1760 	SLJIT_ASSERT_STOP();
1761 	return NULL;
1762 }
1763 
1764 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
sljit_compiler_verbose(struct sljit_compiler * compiler,FILE * verbose)1765 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
1766 {
1767 	SLJIT_UNUSED_ARG(compiler);
1768 	SLJIT_UNUSED_ARG(verbose);
1769 	SLJIT_ASSERT_STOP();
1770 }
1771 #endif
1772 
sljit_generate_code(struct sljit_compiler * compiler)1773 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
1774 {
1775 	SLJIT_UNUSED_ARG(compiler);
1776 	SLJIT_ASSERT_STOP();
1777 	return NULL;
1778 }
1779 
sljit_free_code(void * code)1780 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
1781 {
1782 	SLJIT_UNUSED_ARG(code);
1783 	SLJIT_ASSERT_STOP();
1784 }
1785 
sljit_emit_enter(struct sljit_compiler * compiler,sljit_si options,sljit_si args,sljit_si scratches,sljit_si saveds,sljit_si fscratches,sljit_si fsaveds,sljit_si local_size)1786 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler,
1787 	sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
1788 	sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
1789 {
1790 	SLJIT_UNUSED_ARG(compiler);
1791 	SLJIT_UNUSED_ARG(options);
1792 	SLJIT_UNUSED_ARG(args);
1793 	SLJIT_UNUSED_ARG(scratches);
1794 	SLJIT_UNUSED_ARG(saveds);
1795 	SLJIT_UNUSED_ARG(fscratches);
1796 	SLJIT_UNUSED_ARG(fsaveds);
1797 	SLJIT_UNUSED_ARG(local_size);
1798 	SLJIT_ASSERT_STOP();
1799 	return SLJIT_ERR_UNSUPPORTED;
1800 }
1801 
sljit_set_context(struct sljit_compiler * compiler,sljit_si options,sljit_si args,sljit_si scratches,sljit_si saveds,sljit_si fscratches,sljit_si fsaveds,sljit_si local_size)1802 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler,
1803 	sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
1804 	sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
1805 {
1806 	SLJIT_UNUSED_ARG(compiler);
1807 	SLJIT_UNUSED_ARG(options);
1808 	SLJIT_UNUSED_ARG(args);
1809 	SLJIT_UNUSED_ARG(scratches);
1810 	SLJIT_UNUSED_ARG(saveds);
1811 	SLJIT_UNUSED_ARG(fscratches);
1812 	SLJIT_UNUSED_ARG(fsaveds);
1813 	SLJIT_UNUSED_ARG(local_size);
1814 	SLJIT_ASSERT_STOP();
1815 }
1816 
sljit_emit_return(struct sljit_compiler * compiler,sljit_si op,sljit_si src,sljit_sw srcw)1817 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
1818 {
1819 	SLJIT_UNUSED_ARG(compiler);
1820 	SLJIT_UNUSED_ARG(op);
1821 	SLJIT_UNUSED_ARG(src);
1822 	SLJIT_UNUSED_ARG(srcw);
1823 	SLJIT_ASSERT_STOP();
1824 	return SLJIT_ERR_UNSUPPORTED;
1825 }
1826 
sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_si dst,sljit_sw dstw)1827 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
1828 {
1829 	SLJIT_UNUSED_ARG(compiler);
1830 	SLJIT_UNUSED_ARG(dst);
1831 	SLJIT_UNUSED_ARG(dstw);
1832 	SLJIT_ASSERT_STOP();
1833 	return SLJIT_ERR_UNSUPPORTED;
1834 }
1835 
sljit_emit_fast_return(struct sljit_compiler * compiler,sljit_si src,sljit_sw srcw)1836 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
1837 {
1838 	SLJIT_UNUSED_ARG(compiler);
1839 	SLJIT_UNUSED_ARG(src);
1840 	SLJIT_UNUSED_ARG(srcw);
1841 	SLJIT_ASSERT_STOP();
1842 	return SLJIT_ERR_UNSUPPORTED;
1843 }
1844 
sljit_emit_op0(struct sljit_compiler * compiler,sljit_si op)1845 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op)
1846 {
1847 	SLJIT_UNUSED_ARG(compiler);
1848 	SLJIT_UNUSED_ARG(op);
1849 	SLJIT_ASSERT_STOP();
1850 	return SLJIT_ERR_UNSUPPORTED;
1851 }
1852 
sljit_emit_op1(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src,sljit_sw srcw)1853 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op,
1854 	sljit_si dst, sljit_sw dstw,
1855 	sljit_si src, sljit_sw srcw)
1856 {
1857 	SLJIT_UNUSED_ARG(compiler);
1858 	SLJIT_UNUSED_ARG(op);
1859 	SLJIT_UNUSED_ARG(dst);
1860 	SLJIT_UNUSED_ARG(dstw);
1861 	SLJIT_UNUSED_ARG(src);
1862 	SLJIT_UNUSED_ARG(srcw);
1863 	SLJIT_ASSERT_STOP();
1864 	return SLJIT_ERR_UNSUPPORTED;
1865 }
1866 
sljit_emit_op2(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1867 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op,
1868 	sljit_si dst, sljit_sw dstw,
1869 	sljit_si src1, sljit_sw src1w,
1870 	sljit_si src2, sljit_sw src2w)
1871 {
1872 	SLJIT_UNUSED_ARG(compiler);
1873 	SLJIT_UNUSED_ARG(op);
1874 	SLJIT_UNUSED_ARG(dst);
1875 	SLJIT_UNUSED_ARG(dstw);
1876 	SLJIT_UNUSED_ARG(src1);
1877 	SLJIT_UNUSED_ARG(src1w);
1878 	SLJIT_UNUSED_ARG(src2);
1879 	SLJIT_UNUSED_ARG(src2w);
1880 	SLJIT_ASSERT_STOP();
1881 	return SLJIT_ERR_UNSUPPORTED;
1882 }
1883 
sljit_get_register_index(sljit_si reg)1884 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg)
1885 {
1886 	SLJIT_ASSERT_STOP();
1887 	return reg;
1888 }
1889 
sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_si size)1890 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler,
1891 	void *instruction, sljit_si size)
1892 {
1893 	SLJIT_UNUSED_ARG(compiler);
1894 	SLJIT_UNUSED_ARG(instruction);
1895 	SLJIT_UNUSED_ARG(size);
1896 	SLJIT_ASSERT_STOP();
1897 	return SLJIT_ERR_UNSUPPORTED;
1898 }
1899 
sljit_is_fpu_available(void)1900 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void)
1901 {
1902 	SLJIT_ASSERT_STOP();
1903 	return 0;
1904 }
1905 
sljit_emit_fop1(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src,sljit_sw srcw)1906 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op,
1907 	sljit_si dst, sljit_sw dstw,
1908 	sljit_si src, sljit_sw srcw)
1909 {
1910 	SLJIT_UNUSED_ARG(compiler);
1911 	SLJIT_UNUSED_ARG(op);
1912 	SLJIT_UNUSED_ARG(dst);
1913 	SLJIT_UNUSED_ARG(dstw);
1914 	SLJIT_UNUSED_ARG(src);
1915 	SLJIT_UNUSED_ARG(srcw);
1916 	SLJIT_ASSERT_STOP();
1917 	return SLJIT_ERR_UNSUPPORTED;
1918 }
1919 
sljit_emit_fop2(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1920 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op,
1921 	sljit_si dst, sljit_sw dstw,
1922 	sljit_si src1, sljit_sw src1w,
1923 	sljit_si src2, sljit_sw src2w)
1924 {
1925 	SLJIT_UNUSED_ARG(compiler);
1926 	SLJIT_UNUSED_ARG(op);
1927 	SLJIT_UNUSED_ARG(dst);
1928 	SLJIT_UNUSED_ARG(dstw);
1929 	SLJIT_UNUSED_ARG(src1);
1930 	SLJIT_UNUSED_ARG(src1w);
1931 	SLJIT_UNUSED_ARG(src2);
1932 	SLJIT_UNUSED_ARG(src2w);
1933 	SLJIT_ASSERT_STOP();
1934 	return SLJIT_ERR_UNSUPPORTED;
1935 }
1936 
sljit_emit_label(struct sljit_compiler * compiler)1937 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1938 {
1939 	SLJIT_UNUSED_ARG(compiler);
1940 	SLJIT_ASSERT_STOP();
1941 	return NULL;
1942 }
1943 
sljit_emit_jump(struct sljit_compiler * compiler,sljit_si type)1944 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type)
1945 {
1946 	SLJIT_UNUSED_ARG(compiler);
1947 	SLJIT_UNUSED_ARG(type);
1948 	SLJIT_ASSERT_STOP();
1949 	return NULL;
1950 }
1951 
sljit_emit_cmp(struct sljit_compiler * compiler,sljit_si type,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1952 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_si type,
1953 	sljit_si src1, sljit_sw src1w,
1954 	sljit_si src2, sljit_sw src2w)
1955 {
1956 	SLJIT_UNUSED_ARG(compiler);
1957 	SLJIT_UNUSED_ARG(type);
1958 	SLJIT_UNUSED_ARG(src1);
1959 	SLJIT_UNUSED_ARG(src1w);
1960 	SLJIT_UNUSED_ARG(src2);
1961 	SLJIT_UNUSED_ARG(src2w);
1962 	SLJIT_ASSERT_STOP();
1963 	return NULL;
1964 }
1965 
sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_si type,sljit_si src1,sljit_sw src1w,sljit_si src2,sljit_sw src2w)1966 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_si type,
1967 	sljit_si src1, sljit_sw src1w,
1968 	sljit_si src2, sljit_sw src2w)
1969 {
1970 	SLJIT_UNUSED_ARG(compiler);
1971 	SLJIT_UNUSED_ARG(type);
1972 	SLJIT_UNUSED_ARG(src1);
1973 	SLJIT_UNUSED_ARG(src1w);
1974 	SLJIT_UNUSED_ARG(src2);
1975 	SLJIT_UNUSED_ARG(src2w);
1976 	SLJIT_ASSERT_STOP();
1977 	return NULL;
1978 }
1979 
sljit_set_label(struct sljit_jump * jump,struct sljit_label * label)1980 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
1981 {
1982 	SLJIT_UNUSED_ARG(jump);
1983 	SLJIT_UNUSED_ARG(label);
1984 	SLJIT_ASSERT_STOP();
1985 }
1986 
sljit_set_target(struct sljit_jump * jump,sljit_uw target)1987 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
1988 {
1989 	SLJIT_UNUSED_ARG(jump);
1990 	SLJIT_UNUSED_ARG(target);
1991 	SLJIT_ASSERT_STOP();
1992 }
1993 
sljit_emit_ijump(struct sljit_compiler * compiler,sljit_si type,sljit_si src,sljit_sw srcw)1994 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw)
1995 {
1996 	SLJIT_UNUSED_ARG(compiler);
1997 	SLJIT_UNUSED_ARG(type);
1998 	SLJIT_UNUSED_ARG(src);
1999 	SLJIT_UNUSED_ARG(srcw);
2000 	SLJIT_ASSERT_STOP();
2001 	return SLJIT_ERR_UNSUPPORTED;
2002 }
2003 
sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_si op,sljit_si dst,sljit_sw dstw,sljit_si src,sljit_sw srcw,sljit_si type)2004 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op,
2005 	sljit_si dst, sljit_sw dstw,
2006 	sljit_si src, sljit_sw srcw,
2007 	sljit_si type)
2008 {
2009 	SLJIT_UNUSED_ARG(compiler);
2010 	SLJIT_UNUSED_ARG(op);
2011 	SLJIT_UNUSED_ARG(dst);
2012 	SLJIT_UNUSED_ARG(dstw);
2013 	SLJIT_UNUSED_ARG(src);
2014 	SLJIT_UNUSED_ARG(srcw);
2015 	SLJIT_UNUSED_ARG(type);
2016 	SLJIT_ASSERT_STOP();
2017 	return SLJIT_ERR_UNSUPPORTED;
2018 }
2019 
sljit_get_local_base(struct sljit_compiler * compiler,sljit_si dst,sljit_sw dstw,sljit_sw offset)2020 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_local_base(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw offset)
2021 {
2022 	SLJIT_UNUSED_ARG(compiler);
2023 	SLJIT_UNUSED_ARG(dst);
2024 	SLJIT_UNUSED_ARG(dstw);
2025 	SLJIT_UNUSED_ARG(offset);
2026 	SLJIT_ASSERT_STOP();
2027 	return SLJIT_ERR_UNSUPPORTED;
2028 }
2029 
sljit_emit_const(struct sljit_compiler * compiler,sljit_si dst,sljit_sw dstw,sljit_sw initval)2030 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw initval)
2031 {
2032 	SLJIT_UNUSED_ARG(compiler);
2033 	SLJIT_UNUSED_ARG(dst);
2034 	SLJIT_UNUSED_ARG(dstw);
2035 	SLJIT_UNUSED_ARG(initval);
2036 	SLJIT_ASSERT_STOP();
2037 	return NULL;
2038 }
2039 
sljit_set_jump_addr(sljit_uw addr,sljit_uw new_addr)2040 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
2041 {
2042 	SLJIT_UNUSED_ARG(addr);
2043 	SLJIT_UNUSED_ARG(new_addr);
2044 	SLJIT_ASSERT_STOP();
2045 }
2046 
sljit_set_const(sljit_uw addr,sljit_sw new_constant)2047 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
2048 {
2049 	SLJIT_UNUSED_ARG(addr);
2050 	SLJIT_UNUSED_ARG(new_constant);
2051 	SLJIT_ASSERT_STOP();
2052 }
2053 
2054 #endif
2055