xref: /PHP-7.4/ext/pcre/pcre2lib/sljit/sljitLir.c (revision 9f2d0395)
1 /*
2  *    Stack-less Just-In-Time compiler
3  *
4  *    Copyright 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 #ifdef _WIN32
30 
31 /* For SLJIT_CACHE_FLUSH, which can expand to FlushInstructionCache. */
32 #include <windows.h>
33 
34 #endif /* _WIN32 */
35 
36 #if !(defined SLJIT_STD_MACROS_DEFINED && SLJIT_STD_MACROS_DEFINED)
37 
38 /* These libraries are needed for the macros below. */
39 #include <stdlib.h>
40 #include <string.h>
41 
42 #endif /* SLJIT_STD_MACROS_DEFINED */
43 
44 #define CHECK_ERROR() \
45 	do { \
46 		if (SLJIT_UNLIKELY(compiler->error)) \
47 			return compiler->error; \
48 	} while (0)
49 
50 #define CHECK_ERROR_PTR() \
51 	do { \
52 		if (SLJIT_UNLIKELY(compiler->error)) \
53 			return NULL; \
54 	} while (0)
55 
56 #define FAIL_IF(expr) \
57 	do { \
58 		if (SLJIT_UNLIKELY(expr)) \
59 			return compiler->error; \
60 	} while (0)
61 
62 #define PTR_FAIL_IF(expr) \
63 	do { \
64 		if (SLJIT_UNLIKELY(expr)) \
65 			return NULL; \
66 	} while (0)
67 
68 #define FAIL_IF_NULL(ptr) \
69 	do { \
70 		if (SLJIT_UNLIKELY(!(ptr))) { \
71 			compiler->error = SLJIT_ERR_ALLOC_FAILED; \
72 			return SLJIT_ERR_ALLOC_FAILED; \
73 		} \
74 	} while (0)
75 
76 #define PTR_FAIL_IF_NULL(ptr) \
77 	do { \
78 		if (SLJIT_UNLIKELY(!(ptr))) { \
79 			compiler->error = SLJIT_ERR_ALLOC_FAILED; \
80 			return NULL; \
81 		} \
82 	} while (0)
83 
84 #define PTR_FAIL_WITH_EXEC_IF(ptr) \
85 	do { \
86 		if (SLJIT_UNLIKELY(!(ptr))) { \
87 			compiler->error = SLJIT_ERR_EX_ALLOC_FAILED; \
88 			return NULL; \
89 		} \
90 	} while (0)
91 
92 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
93 
94 #define VARIABLE_FLAG_SHIFT (10)
95 #define VARIABLE_FLAG_MASK (0x3f << VARIABLE_FLAG_SHIFT)
96 #define GET_FLAG_TYPE(op) ((op) >> VARIABLE_FLAG_SHIFT)
97 
98 #define GET_OPCODE(op) \
99 	((op) & ~(SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK))
100 
101 #define HAS_FLAGS(op) \
102 	((op) & (SLJIT_SET_Z | VARIABLE_FLAG_MASK))
103 
104 #define GET_ALL_FLAGS(op) \
105 	((op) & (SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK))
106 
107 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
108 #define TYPE_CAST_NEEDED(op) \
109 	((op) >= SLJIT_MOV_U8 && (op) <= SLJIT_MOV_S32)
110 #else
111 #define TYPE_CAST_NEEDED(op) \
112 	((op) >= SLJIT_MOV_U8 && (op) <= SLJIT_MOV_S16)
113 #endif
114 
115 #define BUF_SIZE	4096
116 
117 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
118 #define ABUF_SIZE	2048
119 #else
120 #define ABUF_SIZE	4096
121 #endif
122 
123 /* Parameter parsing. */
124 #define REG_MASK		0x3f
125 #define OFFS_REG(reg)		(((reg) >> 8) & REG_MASK)
126 #define OFFS_REG_MASK		(REG_MASK << 8)
127 #define TO_OFFS_REG(reg)	((reg) << 8)
128 /* When reg cannot be unused. */
129 #define FAST_IS_REG(reg)	((reg) <= REG_MASK)
130 /* When reg can be unused. */
131 #define SLOW_IS_REG(reg)	((reg) > 0 && (reg) <= REG_MASK)
132 
133 /* Mask for argument types. */
134 #define SLJIT_DEF_MASK ((1 << SLJIT_DEF_SHIFT) - 1)
135 
136 /* Jump flags. */
137 #define JUMP_LABEL	0x1
138 #define JUMP_ADDR	0x2
139 /* SLJIT_REWRITABLE_JUMP is 0x1000. */
140 
141 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
142 #	define PATCH_MB		0x4
143 #	define PATCH_MW		0x8
144 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
145 #	define PATCH_MD		0x10
146 #endif
147 #	define TYPE_SHIFT	13
148 #endif
149 
150 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
151 #	define IS_BL		0x4
152 #	define PATCH_B		0x8
153 #endif
154 
155 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
156 #	define CPOOL_SIZE	512
157 #endif
158 
159 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
160 #	define IS_COND		0x04
161 #	define IS_BL		0x08
162 	/* conditional + imm8 */
163 #	define PATCH_TYPE1	0x10
164 	/* conditional + imm20 */
165 #	define PATCH_TYPE2	0x20
166 	/* IT + imm24 */
167 #	define PATCH_TYPE3	0x30
168 	/* imm11 */
169 #	define PATCH_TYPE4	0x40
170 	/* imm24 */
171 #	define PATCH_TYPE5	0x50
172 	/* BL + imm24 */
173 #	define PATCH_BL		0x60
174 	/* 0xf00 cc code for branches */
175 #endif
176 
177 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
178 #	define IS_COND		0x004
179 #	define IS_CBZ		0x008
180 #	define IS_BL		0x010
181 #	define PATCH_B		0x020
182 #	define PATCH_COND	0x040
183 #	define PATCH_ABS48	0x080
184 #	define PATCH_ABS64	0x100
185 #endif
186 
187 #if (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
188 #	define IS_COND		0x004
189 #	define IS_CALL		0x008
190 #	define PATCH_B		0x010
191 #	define PATCH_ABS_B	0x020
192 #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
193 #	define PATCH_ABS32	0x040
194 #	define PATCH_ABS48	0x080
195 #endif
196 #	define REMOVE_COND	0x100
197 #endif
198 
199 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
200 #	define IS_MOVABLE	0x004
201 #	define IS_JAL		0x008
202 #	define IS_CALL		0x010
203 #	define IS_BIT26_COND	0x020
204 #	define IS_BIT16_COND	0x040
205 #	define IS_BIT23_COND	0x080
206 
207 #	define IS_COND		(IS_BIT26_COND | IS_BIT16_COND | IS_BIT23_COND)
208 
209 #	define PATCH_B		0x100
210 #	define PATCH_J		0x200
211 
212 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
213 #	define PATCH_ABS32	0x400
214 #	define PATCH_ABS48	0x800
215 #endif
216 
217 	/* instruction types */
218 #	define MOVABLE_INS	0
219 	/* 1 - 31 last destination register */
220 	/* no destination (i.e: store) */
221 #	define UNMOVABLE_INS	32
222 	/* FPU status register */
223 #	define FCSR_FCC		33
224 #endif
225 
226 #if (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
227 #	define IS_JAL		0x04
228 #	define IS_COND		0x08
229 
230 #	define PATCH_B		0x10
231 #	define PATCH_J		0x20
232 #endif
233 
234 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
235 #	define IS_MOVABLE	0x04
236 #	define IS_COND		0x08
237 #	define IS_CALL		0x10
238 
239 #	define PATCH_B		0x20
240 #	define PATCH_CALL	0x40
241 
242 	/* instruction types */
243 #	define MOVABLE_INS	0
244 	/* 1 - 31 last destination register */
245 	/* no destination (i.e: store) */
246 #	define UNMOVABLE_INS	32
247 
248 #	define DST_INS_MASK	0xff
249 
250 	/* ICC_SET is the same as SET_FLAGS. */
251 #	define ICC_IS_SET	(1 << 23)
252 #	define FCC_IS_SET	(1 << 24)
253 #endif
254 
255 /* Stack management. */
256 
257 #define GET_SAVED_REGISTERS_SIZE(scratches, saveds, extra) \
258 	(((scratches < SLJIT_NUMBER_OF_SCRATCH_REGISTERS ? 0 : (scratches - SLJIT_NUMBER_OF_SCRATCH_REGISTERS)) + \
259 		(saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? saveds : SLJIT_NUMBER_OF_SAVED_REGISTERS) + \
260 		extra) * sizeof(sljit_sw))
261 
262 #define ADJUST_LOCAL_OFFSET(p, i) \
263 	if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
264 		(i) += SLJIT_LOCALS_OFFSET;
265 
266 #endif /* !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) */
267 
268 /* Utils can still be used even if SLJIT_CONFIG_UNSUPPORTED is set. */
269 #include "sljitUtils.c"
270 
271 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
272 
273 #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
274 
275 #if (defined SLJIT_PROT_EXECUTABLE_ALLOCATOR && SLJIT_PROT_EXECUTABLE_ALLOCATOR)
276 #include "sljitProtExecAllocator.c"
277 #else
278 #include "sljitExecAllocator.c"
279 #endif
280 
281 #endif
282 
283 #if (defined SLJIT_PROT_EXECUTABLE_ALLOCATOR && SLJIT_PROT_EXECUTABLE_ALLOCATOR)
284 #define SLJIT_ADD_EXEC_OFFSET(ptr, exec_offset) ((sljit_u8 *)(ptr) + (exec_offset))
285 #else
286 #define SLJIT_ADD_EXEC_OFFSET(ptr, exec_offset) ((sljit_u8 *)(ptr))
287 #endif
288 
289 /* Argument checking features. */
290 
291 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
292 
293 /* Returns with error when an invalid argument is passed. */
294 
295 #define CHECK_ARGUMENT(x) \
296 	do { \
297 		if (SLJIT_UNLIKELY(!(x))) \
298 			return 1; \
299 	} while (0)
300 
301 #define CHECK_RETURN_TYPE sljit_s32
302 #define CHECK_RETURN_OK return 0
303 
304 #define CHECK(x) \
305 	do { \
306 		if (SLJIT_UNLIKELY(x)) { \
307 			compiler->error = SLJIT_ERR_BAD_ARGUMENT; \
308 			return SLJIT_ERR_BAD_ARGUMENT; \
309 		} \
310 	} while (0)
311 
312 #define CHECK_PTR(x) \
313 	do { \
314 		if (SLJIT_UNLIKELY(x)) { \
315 			compiler->error = SLJIT_ERR_BAD_ARGUMENT; \
316 			return NULL; \
317 		} \
318 	} while (0)
319 
320 #define CHECK_REG_INDEX(x) \
321 	do { \
322 		if (SLJIT_UNLIKELY(x)) { \
323 			return -2; \
324 		} \
325 	} while (0)
326 
327 #elif (defined SLJIT_DEBUG && SLJIT_DEBUG)
328 
329 /* Assertion failure occures if an invalid argument is passed. */
330 #undef SLJIT_ARGUMENT_CHECKS
331 #define SLJIT_ARGUMENT_CHECKS 1
332 
333 #define CHECK_ARGUMENT(x) SLJIT_ASSERT(x)
334 #define CHECK_RETURN_TYPE void
335 #define CHECK_RETURN_OK return
336 #define CHECK(x) x
337 #define CHECK_PTR(x) x
338 #define CHECK_REG_INDEX(x) x
339 
340 #elif (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
341 
342 /* Arguments are not checked. */
343 #define CHECK_RETURN_TYPE void
344 #define CHECK_RETURN_OK return
345 #define CHECK(x) x
346 #define CHECK_PTR(x) x
347 #define CHECK_REG_INDEX(x) x
348 
349 #else
350 
351 /* Arguments are not checked. */
352 #define CHECK(x)
353 #define CHECK_PTR(x)
354 #define CHECK_REG_INDEX(x)
355 
356 #endif /* SLJIT_ARGUMENT_CHECKS */
357 
358 /* --------------------------------------------------------------------- */
359 /*  Public functions                                                     */
360 /* --------------------------------------------------------------------- */
361 
362 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
363 #define SLJIT_NEEDS_COMPILER_INIT 1
364 static sljit_s32 compiler_initialized = 0;
365 /* A thread safe initialization. */
366 static void init_compiler(void);
367 #endif
368 
sljit_create_compiler(void * allocator_data)369 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data)
370 {
371 	struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC(sizeof(struct sljit_compiler), allocator_data);
372 	if (!compiler)
373 		return NULL;
374 	SLJIT_ZEROMEM(compiler, sizeof(struct sljit_compiler));
375 
376 	SLJIT_COMPILE_ASSERT(
377 		sizeof(sljit_s8) == 1 && sizeof(sljit_u8) == 1
378 		&& sizeof(sljit_s16) == 2 && sizeof(sljit_u16) == 2
379 		&& sizeof(sljit_s32) == 4 && sizeof(sljit_u32) == 4
380 		&& (sizeof(sljit_p) == 4 || sizeof(sljit_p) == 8)
381 		&& sizeof(sljit_p) <= sizeof(sljit_sw)
382 		&& (sizeof(sljit_sw) == 4 || sizeof(sljit_sw) == 8)
383 		&& (sizeof(sljit_uw) == 4 || sizeof(sljit_uw) == 8),
384 		invalid_integer_types);
385 	SLJIT_COMPILE_ASSERT(SLJIT_I32_OP == SLJIT_F32_OP,
386 		int_op_and_single_op_must_be_the_same);
387 	SLJIT_COMPILE_ASSERT(SLJIT_REWRITABLE_JUMP != SLJIT_F32_OP,
388 		rewritable_jump_and_single_op_must_not_be_the_same);
389 	SLJIT_COMPILE_ASSERT(!(SLJIT_EQUAL & 0x1) && !(SLJIT_LESS & 0x1) && !(SLJIT_EQUAL_F64 & 0x1) && !(SLJIT_JUMP & 0x1),
390 		conditional_flags_must_be_even_numbers);
391 
392 	/* Only the non-zero members must be set. */
393 	compiler->error = SLJIT_SUCCESS;
394 
395 	compiler->allocator_data = allocator_data;
396 	compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, allocator_data);
397 	compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, allocator_data);
398 
399 	if (!compiler->buf || !compiler->abuf) {
400 		if (compiler->buf)
401 			SLJIT_FREE(compiler->buf, allocator_data);
402 		if (compiler->abuf)
403 			SLJIT_FREE(compiler->abuf, allocator_data);
404 		SLJIT_FREE(compiler, allocator_data);
405 		return NULL;
406 	}
407 
408 	compiler->buf->next = NULL;
409 	compiler->buf->used_size = 0;
410 	compiler->abuf->next = NULL;
411 	compiler->abuf->used_size = 0;
412 
413 	compiler->scratches = -1;
414 	compiler->saveds = -1;
415 	compiler->fscratches = -1;
416 	compiler->fsaveds = -1;
417 	compiler->local_size = -1;
418 
419 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
420 	compiler->args = -1;
421 #endif
422 
423 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
424 	compiler->cpool = (sljit_uw*)SLJIT_MALLOC(CPOOL_SIZE * sizeof(sljit_uw)
425 		+ CPOOL_SIZE * sizeof(sljit_u8), allocator_data);
426 	if (!compiler->cpool) {
427 		SLJIT_FREE(compiler->buf, allocator_data);
428 		SLJIT_FREE(compiler->abuf, allocator_data);
429 		SLJIT_FREE(compiler, allocator_data);
430 		return NULL;
431 	}
432 	compiler->cpool_unique = (sljit_u8*)(compiler->cpool + CPOOL_SIZE);
433 	compiler->cpool_diff = 0xffffffff;
434 #endif
435 
436 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
437 	compiler->delay_slot = UNMOVABLE_INS;
438 #endif
439 
440 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
441 	compiler->delay_slot = UNMOVABLE_INS;
442 #endif
443 
444 #if (defined SLJIT_NEEDS_COMPILER_INIT && SLJIT_NEEDS_COMPILER_INIT)
445 	if (!compiler_initialized) {
446 		init_compiler();
447 		compiler_initialized = 1;
448 	}
449 #endif
450 
451 	return compiler;
452 }
453 
sljit_free_compiler(struct sljit_compiler * compiler)454 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
455 {
456 	struct sljit_memory_fragment *buf;
457 	struct sljit_memory_fragment *curr;
458 	void *allocator_data = compiler->allocator_data;
459 	SLJIT_UNUSED_ARG(allocator_data);
460 
461 	buf = compiler->buf;
462 	while (buf) {
463 		curr = buf;
464 		buf = buf->next;
465 		SLJIT_FREE(curr, allocator_data);
466 	}
467 
468 	buf = compiler->abuf;
469 	while (buf) {
470 		curr = buf;
471 		buf = buf->next;
472 		SLJIT_FREE(curr, allocator_data);
473 	}
474 
475 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
476 	SLJIT_FREE(compiler->cpool, allocator_data);
477 #endif
478 	SLJIT_FREE(compiler, allocator_data);
479 }
480 
sljit_set_compiler_memory_error(struct sljit_compiler * compiler)481 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_compiler_memory_error(struct sljit_compiler *compiler)
482 {
483 	if (compiler->error == SLJIT_SUCCESS)
484 		compiler->error = SLJIT_ERR_ALLOC_FAILED;
485 }
486 
487 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
sljit_free_code(void * code)488 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
489 {
490 	/* Remove thumb mode flag. */
491 	SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1));
492 }
493 #elif (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
sljit_free_code(void * code)494 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
495 {
496 	/* Resolve indirection. */
497 	code = (void*)(*(sljit_uw*)code);
498 	SLJIT_FREE_EXEC(code);
499 }
500 #else
sljit_free_code(void * code)501 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
502 {
503 	SLJIT_FREE_EXEC(code);
504 }
505 #endif
506 
sljit_set_label(struct sljit_jump * jump,struct sljit_label * label)507 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
508 {
509 	if (SLJIT_LIKELY(!!jump) && SLJIT_LIKELY(!!label)) {
510 		jump->flags &= ~JUMP_ADDR;
511 		jump->flags |= JUMP_LABEL;
512 		jump->u.label = label;
513 	}
514 }
515 
sljit_set_target(struct sljit_jump * jump,sljit_uw target)516 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
517 {
518 	if (SLJIT_LIKELY(!!jump)) {
519 		jump->flags &= ~JUMP_LABEL;
520 		jump->flags |= JUMP_ADDR;
521 		jump->u.target = target;
522 	}
523 }
524 
sljit_set_put_label(struct sljit_put_label * put_label,struct sljit_label * label)525 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_put_label(struct sljit_put_label *put_label, struct sljit_label *label)
526 {
527 	if (SLJIT_LIKELY(!!put_label))
528 		put_label->label = label;
529 }
530 
sljit_set_current_flags(struct sljit_compiler * compiler,sljit_s32 current_flags)531 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *compiler, sljit_s32 current_flags)
532 {
533 	SLJIT_UNUSED_ARG(compiler);
534 	SLJIT_UNUSED_ARG(current_flags);
535 
536 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
537 	if ((current_flags & ~(VARIABLE_FLAG_MASK | SLJIT_I32_OP | SLJIT_SET_Z)) == 0) {
538 		compiler->last_flags = GET_FLAG_TYPE(current_flags) | (current_flags & (SLJIT_I32_OP | SLJIT_SET_Z));
539 	}
540 #endif
541 }
542 
543 /* --------------------------------------------------------------------- */
544 /*  Private functions                                                    */
545 /* --------------------------------------------------------------------- */
546 
ensure_buf(struct sljit_compiler * compiler,sljit_uw size)547 static void* ensure_buf(struct sljit_compiler *compiler, sljit_uw size)
548 {
549 	sljit_u8 *ret;
550 	struct sljit_memory_fragment *new_frag;
551 
552 	SLJIT_ASSERT(size <= 256);
553 	if (compiler->buf->used_size + size <= (BUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
554 		ret = compiler->buf->memory + compiler->buf->used_size;
555 		compiler->buf->used_size += size;
556 		return ret;
557 	}
558 	new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, compiler->allocator_data);
559 	PTR_FAIL_IF_NULL(new_frag);
560 	new_frag->next = compiler->buf;
561 	compiler->buf = new_frag;
562 	new_frag->used_size = size;
563 	return new_frag->memory;
564 }
565 
ensure_abuf(struct sljit_compiler * compiler,sljit_uw size)566 static void* ensure_abuf(struct sljit_compiler *compiler, sljit_uw size)
567 {
568 	sljit_u8 *ret;
569 	struct sljit_memory_fragment *new_frag;
570 
571 	SLJIT_ASSERT(size <= 256);
572 	if (compiler->abuf->used_size + size <= (ABUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
573 		ret = compiler->abuf->memory + compiler->abuf->used_size;
574 		compiler->abuf->used_size += size;
575 		return ret;
576 	}
577 	new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, compiler->allocator_data);
578 	PTR_FAIL_IF_NULL(new_frag);
579 	new_frag->next = compiler->abuf;
580 	compiler->abuf = new_frag;
581 	new_frag->used_size = size;
582 	return new_frag->memory;
583 }
584 
sljit_alloc_memory(struct sljit_compiler * compiler,sljit_s32 size)585 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_s32 size)
586 {
587 	CHECK_ERROR_PTR();
588 
589 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
590 	if (size <= 0 || size > 128)
591 		return NULL;
592 	size = (size + 7) & ~7;
593 #else
594 	if (size <= 0 || size > 64)
595 		return NULL;
596 	size = (size + 3) & ~3;
597 #endif
598 	return ensure_abuf(compiler, size);
599 }
600 
reverse_buf(struct sljit_compiler * compiler)601 static SLJIT_INLINE void reverse_buf(struct sljit_compiler *compiler)
602 {
603 	struct sljit_memory_fragment *buf = compiler->buf;
604 	struct sljit_memory_fragment *prev = NULL;
605 	struct sljit_memory_fragment *tmp;
606 
607 	do {
608 		tmp = buf->next;
609 		buf->next = prev;
610 		prev = buf;
611 		buf = tmp;
612 	} while (buf != NULL);
613 
614 	compiler->buf = prev;
615 }
616 
get_arg_count(sljit_s32 arg_types)617 static SLJIT_INLINE sljit_s32 get_arg_count(sljit_s32 arg_types)
618 {
619 	sljit_s32 arg_count = 0;
620 
621 	arg_types >>= SLJIT_DEF_SHIFT;
622 	while (arg_types) {
623 		arg_count++;
624 		arg_types >>= SLJIT_DEF_SHIFT;
625 	}
626 
627 	return arg_count;
628 }
629 
630 #if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
631 
compute_next_addr(struct sljit_label * label,struct sljit_jump * jump,struct sljit_const * const_,struct sljit_put_label * put_label)632 static SLJIT_INLINE sljit_uw compute_next_addr(struct sljit_label *label, struct sljit_jump *jump,
633 	struct sljit_const *const_, struct sljit_put_label *put_label)
634 {
635 	sljit_uw result = ~(sljit_uw)0;
636 
637 	if (label)
638 		result = label->size;
639 
640 	if (jump && jump->addr < result)
641 		result = jump->addr;
642 
643 	if (const_ && const_->addr < result)
644 		result = const_->addr;
645 
646 	if (put_label && put_label->addr < result)
647 		result = put_label->addr;
648 
649 	return result;
650 }
651 
652 #endif /* !SLJIT_CONFIG_X86 */
653 
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)654 static SLJIT_INLINE void set_emit_enter(struct sljit_compiler *compiler,
655 	sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
656 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
657 {
658 	SLJIT_UNUSED_ARG(args);
659 	SLJIT_UNUSED_ARG(local_size);
660 
661 	compiler->options = options;
662 	compiler->scratches = scratches;
663 	compiler->saveds = saveds;
664 	compiler->fscratches = fscratches;
665 	compiler->fsaveds = fsaveds;
666 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
667 	compiler->logical_local_size = local_size;
668 #endif
669 }
670 
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)671 static SLJIT_INLINE void set_set_context(struct sljit_compiler *compiler,
672 	sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
673 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
674 {
675 	SLJIT_UNUSED_ARG(args);
676 	SLJIT_UNUSED_ARG(local_size);
677 
678 	compiler->options = options;
679 	compiler->scratches = scratches;
680 	compiler->saveds = saveds;
681 	compiler->fscratches = fscratches;
682 	compiler->fsaveds = fsaveds;
683 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
684 	compiler->logical_local_size = local_size;
685 #endif
686 }
687 
set_label(struct sljit_label * label,struct sljit_compiler * compiler)688 static SLJIT_INLINE void set_label(struct sljit_label *label, struct sljit_compiler *compiler)
689 {
690 	label->next = NULL;
691 	label->size = compiler->size;
692 	if (compiler->last_label)
693 		compiler->last_label->next = label;
694 	else
695 		compiler->labels = label;
696 	compiler->last_label = label;
697 }
698 
set_jump(struct sljit_jump * jump,struct sljit_compiler * compiler,sljit_s32 flags)699 static SLJIT_INLINE void set_jump(struct sljit_jump *jump, struct sljit_compiler *compiler, sljit_s32 flags)
700 {
701 	jump->next = NULL;
702 	jump->flags = flags;
703 	if (compiler->last_jump)
704 		compiler->last_jump->next = jump;
705 	else
706 		compiler->jumps = jump;
707 	compiler->last_jump = jump;
708 }
709 
set_const(struct sljit_const * const_,struct sljit_compiler * compiler)710 static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_compiler *compiler)
711 {
712 	const_->next = NULL;
713 	const_->addr = compiler->size;
714 	if (compiler->last_const)
715 		compiler->last_const->next = const_;
716 	else
717 		compiler->consts = const_;
718 	compiler->last_const = const_;
719 }
720 
set_put_label(struct sljit_put_label * put_label,struct sljit_compiler * compiler,sljit_uw offset)721 static SLJIT_INLINE void set_put_label(struct sljit_put_label *put_label, struct sljit_compiler *compiler, sljit_uw offset)
722 {
723 	put_label->next = NULL;
724 	put_label->label = NULL;
725 	put_label->addr = compiler->size - offset;
726 	put_label->flags = 0;
727 	if (compiler->last_put_label)
728 		compiler->last_put_label->next = put_label;
729 	else
730 		compiler->put_labels = put_label;
731 	compiler->last_put_label = put_label;
732 }
733 
734 #define ADDRESSING_DEPENDS_ON(exp, reg) \
735 	(((exp) & SLJIT_MEM) && (((exp) & REG_MASK) == reg || OFFS_REG(exp) == reg))
736 
737 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
738 
739 #define FUNCTION_CHECK_IS_REG(r) \
740 	(((r) >= SLJIT_R0 && (r) < (SLJIT_R0 + compiler->scratches)) \
741 	|| ((r) > (SLJIT_S0 - compiler->saveds) && (r) <= SLJIT_S0))
742 
743 #define FUNCTION_CHECK_IS_FREG(fr) \
744 	(((fr) >= SLJIT_FR0 && (fr) < (SLJIT_FR0 + compiler->fscratches)) \
745 	|| ((fr) > (SLJIT_FS0 - compiler->fsaveds) && (fr) <= SLJIT_FS0))
746 
747 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
748 #define CHECK_IF_VIRTUAL_REGISTER(p) ((p) <= SLJIT_S3 && (p) >= SLJIT_S8)
749 #else
750 #define CHECK_IF_VIRTUAL_REGISTER(p) 0
751 #endif
752 
function_check_src_mem(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)753 static sljit_s32 function_check_src_mem(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
754 {
755 	if (compiler->scratches == -1 || compiler->saveds == -1)
756 		return 0;
757 
758 	if (!(p & SLJIT_MEM))
759 		return 0;
760 
761 	if (!((p & REG_MASK) == SLJIT_UNUSED || FUNCTION_CHECK_IS_REG(p & REG_MASK)))
762 		return 0;
763 
764 	if (CHECK_IF_VIRTUAL_REGISTER(p & REG_MASK))
765 		return 0;
766 
767 	if (p & OFFS_REG_MASK) {
768 		if ((p & REG_MASK) == SLJIT_UNUSED)
769 			return 0;
770 
771 		if (!(FUNCTION_CHECK_IS_REG(OFFS_REG(p))))
772 			return 0;
773 
774 		if (CHECK_IF_VIRTUAL_REGISTER(OFFS_REG(p)))
775 			return 0;
776 
777 		if ((i & ~0x3) != 0)
778 			return 0;
779 	}
780 
781 	return (p & ~(SLJIT_MEM | REG_MASK | OFFS_REG_MASK)) == 0;
782 }
783 
784 #define FUNCTION_CHECK_SRC_MEM(p, i) \
785 	CHECK_ARGUMENT(function_check_src_mem(compiler, p, i));
786 
function_check_src(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)787 static sljit_s32 function_check_src(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
788 {
789 	if (compiler->scratches == -1 || compiler->saveds == -1)
790 		return 0;
791 
792 	if (FUNCTION_CHECK_IS_REG(p))
793 		return (i == 0);
794 
795 	if (p == SLJIT_IMM)
796 		return 1;
797 
798 	if (p == SLJIT_MEM1(SLJIT_SP))
799 		return (i >= 0 && i < compiler->logical_local_size);
800 
801 	return function_check_src_mem(compiler, p, i);
802 }
803 
804 #define FUNCTION_CHECK_SRC(p, i) \
805 	CHECK_ARGUMENT(function_check_src(compiler, p, i));
806 
function_check_dst(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i,sljit_s32 unused)807 static sljit_s32 function_check_dst(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i, sljit_s32 unused)
808 {
809 	if (compiler->scratches == -1 || compiler->saveds == -1)
810 		return 0;
811 
812 	if (FUNCTION_CHECK_IS_REG(p) || ((unused) && (p) == SLJIT_UNUSED))
813 		return (i == 0);
814 
815 	if (p == SLJIT_MEM1(SLJIT_SP))
816 		return (i >= 0 && i < compiler->logical_local_size);
817 
818 	return function_check_src_mem(compiler, p, i);
819 }
820 
821 #define FUNCTION_CHECK_DST(p, i, unused) \
822 	CHECK_ARGUMENT(function_check_dst(compiler, p, i, unused));
823 
function_fcheck(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)824 static sljit_s32 function_fcheck(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
825 {
826 	if (compiler->scratches == -1 || compiler->saveds == -1)
827 		return 0;
828 
829 	if (FUNCTION_CHECK_IS_FREG(p))
830 		return (i == 0);
831 
832 	if (p == SLJIT_MEM1(SLJIT_SP))
833 		return (i >= 0 && i < compiler->logical_local_size);
834 
835 	return function_check_src_mem(compiler, p, i);
836 }
837 
838 #define FUNCTION_FCHECK(p, i) \
839 	CHECK_ARGUMENT(function_fcheck(compiler, p, i));
840 
841 #endif /* SLJIT_ARGUMENT_CHECKS */
842 
843 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
844 
sljit_compiler_verbose(struct sljit_compiler * compiler,FILE * verbose)845 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
846 {
847 	compiler->verbose = verbose;
848 }
849 
850 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
851 #ifdef _WIN64
852 #	define SLJIT_PRINT_D	"I64"
853 #else
854 #	define SLJIT_PRINT_D	"l"
855 #endif
856 #else
857 #	define SLJIT_PRINT_D	""
858 #endif
859 
sljit_verbose_reg(struct sljit_compiler * compiler,sljit_s32 r)860 static void sljit_verbose_reg(struct sljit_compiler *compiler, sljit_s32 r)
861 {
862 	if (r < (SLJIT_R0 + compiler->scratches))
863 		fprintf(compiler->verbose, "r%d", r - SLJIT_R0);
864 	else if (r != SLJIT_SP)
865 		fprintf(compiler->verbose, "s%d", SLJIT_NUMBER_OF_REGISTERS - r);
866 	else
867 		fprintf(compiler->verbose, "sp");
868 }
869 
sljit_verbose_freg(struct sljit_compiler * compiler,sljit_s32 r)870 static void sljit_verbose_freg(struct sljit_compiler *compiler, sljit_s32 r)
871 {
872 	if (r < (SLJIT_FR0 + compiler->fscratches))
873 		fprintf(compiler->verbose, "fr%d", r - SLJIT_FR0);
874 	else
875 		fprintf(compiler->verbose, "fs%d", SLJIT_NUMBER_OF_FLOAT_REGISTERS - r);
876 }
877 
sljit_verbose_param(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)878 static void sljit_verbose_param(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
879 {
880 	if ((p) & SLJIT_IMM)
881 		fprintf(compiler->verbose, "#%" SLJIT_PRINT_D "d", (i));
882 	else if ((p) & SLJIT_MEM) {
883 		if ((p) & REG_MASK) {
884 			fputc('[', compiler->verbose);
885 			sljit_verbose_reg(compiler, (p) & REG_MASK);
886 			if ((p) & OFFS_REG_MASK) {
887 				fprintf(compiler->verbose, " + ");
888 				sljit_verbose_reg(compiler, OFFS_REG(p));
889 				if (i)
890 					fprintf(compiler->verbose, " * %d", 1 << (i));
891 			}
892 			else if (i)
893 				fprintf(compiler->verbose, " + %" SLJIT_PRINT_D "d", (i));
894 			fputc(']', compiler->verbose);
895 		}
896 		else
897 			fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i));
898 	} else if (p)
899 		sljit_verbose_reg(compiler, p);
900 	else
901 		fprintf(compiler->verbose, "unused");
902 }
903 
sljit_verbose_fparam(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)904 static void sljit_verbose_fparam(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
905 {
906 	if ((p) & SLJIT_MEM) {
907 		if ((p) & REG_MASK) {
908 			fputc('[', compiler->verbose);
909 			sljit_verbose_reg(compiler, (p) & REG_MASK);
910 			if ((p) & OFFS_REG_MASK) {
911 				fprintf(compiler->verbose, " + ");
912 				sljit_verbose_reg(compiler, OFFS_REG(p));
913 				if (i)
914 					fprintf(compiler->verbose, "%d", 1 << (i));
915 			}
916 			else if (i)
917 				fprintf(compiler->verbose, " + %" SLJIT_PRINT_D "d", (i));
918 			fputc(']', compiler->verbose);
919 		}
920 		else
921 			fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i));
922 	}
923 	else
924 		sljit_verbose_freg(compiler, p);
925 }
926 
927 static const char* op0_names[] = {
928 	(char*)"breakpoint", (char*)"nop", (char*)"lmul.uw", (char*)"lmul.sw",
929 	(char*)"divmod.u", (char*)"divmod.s", (char*)"div.u", (char*)"div.s",
930 	(char*)"endbr", (char*)"skip_frames_before_return"
931 };
932 
933 static const char* op1_names[] = {
934 	(char*)"", (char*)".u8", (char*)".s8", (char*)".u16",
935 	(char*)".s16", (char*)".u32", (char*)".s32", (char*)".p",
936 	(char*)"", (char*)".u8", (char*)".s8", (char*)".u16",
937 	(char*)".s16", (char*)".u32", (char*)".s32", (char*)".p",
938 	(char*)"not", (char*)"neg", (char*)"clz",
939 };
940 
941 static const char* op2_names[] = {
942 	(char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
943 	(char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
944 	(char*)"shl", (char*)"lshr", (char*)"ashr",
945 };
946 
947 static const char* op_src_names[] = {
948 	(char*)"fast_return", (char*)"skip_frames_before_fast_return",
949 	(char*)"prefetch_l1", (char*)"prefetch_l2",
950 	(char*)"prefetch_l3", (char*)"prefetch_once",
951 };
952 
953 static const char* fop1_names[] = {
954 	(char*)"mov", (char*)"conv", (char*)"conv", (char*)"conv",
955 	(char*)"conv", (char*)"conv", (char*)"cmp", (char*)"neg",
956 	(char*)"abs",
957 };
958 
959 static const char* fop2_names[] = {
960 	(char*)"add", (char*)"sub", (char*)"mul", (char*)"div"
961 };
962 
963 #define JUMP_POSTFIX(type) \
964 	((type & 0xff) <= SLJIT_MUL_NOT_OVERFLOW ? ((type & SLJIT_I32_OP) ? "32" : "") \
965 	: ((type & 0xff) <= SLJIT_ORDERED_F64 ? ((type & SLJIT_F32_OP) ? ".f32" : ".f64") : ""))
966 
967 static char* jump_names[] = {
968 	(char*)"equal", (char*)"not_equal",
969 	(char*)"less", (char*)"greater_equal",
970 	(char*)"greater", (char*)"less_equal",
971 	(char*)"sig_less", (char*)"sig_greater_equal",
972 	(char*)"sig_greater", (char*)"sig_less_equal",
973 	(char*)"overflow", (char*)"not_overflow",
974 	(char*)"mul_overflow", (char*)"mul_not_overflow",
975 	(char*)"carry", (char*)"",
976 	(char*)"equal", (char*)"not_equal",
977 	(char*)"less", (char*)"greater_equal",
978 	(char*)"greater", (char*)"less_equal",
979 	(char*)"unordered", (char*)"ordered",
980 	(char*)"jump", (char*)"fast_call",
981 	(char*)"call", (char*)"call.cdecl"
982 };
983 
984 static char* call_arg_names[] = {
985 	(char*)"void", (char*)"sw", (char*)"uw", (char*)"s32", (char*)"u32", (char*)"f32", (char*)"f64"
986 };
987 
988 #endif /* SLJIT_VERBOSE */
989 
990 /* --------------------------------------------------------------------- */
991 /*  Arch dependent                                                       */
992 /* --------------------------------------------------------------------- */
993 
994 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) \
995 	|| (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
996 
check_sljit_generate_code(struct sljit_compiler * compiler)997 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_generate_code(struct sljit_compiler *compiler)
998 {
999 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1000 	struct sljit_jump *jump;
1001 #endif
1002 
1003 	SLJIT_UNUSED_ARG(compiler);
1004 
1005 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1006 	CHECK_ARGUMENT(compiler->size > 0);
1007 	jump = compiler->jumps;
1008 	while (jump) {
1009 		/* All jumps have target. */
1010 		CHECK_ARGUMENT(jump->flags & (JUMP_LABEL | JUMP_ADDR));
1011 		jump = jump->next;
1012 	}
1013 #endif
1014 	CHECK_RETURN_OK;
1015 }
1016 
check_sljit_emit_enter(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 arg_types,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)1017 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_enter(struct sljit_compiler *compiler,
1018 	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
1019 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
1020 {
1021 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1022 	sljit_s32 types, arg_count, curr_type;
1023 #endif
1024 
1025 	SLJIT_UNUSED_ARG(compiler);
1026 
1027 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1028 	CHECK_ARGUMENT(!(options & ~SLJIT_F64_ALIGNMENT));
1029 	CHECK_ARGUMENT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
1030 	CHECK_ARGUMENT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
1031 	CHECK_ARGUMENT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
1032 	CHECK_ARGUMENT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1033 	CHECK_ARGUMENT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1034 	CHECK_ARGUMENT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1035 	CHECK_ARGUMENT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
1036 	CHECK_ARGUMENT((arg_types & SLJIT_DEF_MASK) == 0);
1037 
1038 	types = (arg_types >> SLJIT_DEF_SHIFT);
1039 	arg_count = 0;
1040 	while (types != 0 && arg_count < 3) {
1041 		curr_type = (types & SLJIT_DEF_MASK);
1042 		CHECK_ARGUMENT(curr_type == SLJIT_ARG_TYPE_SW || curr_type == SLJIT_ARG_TYPE_UW);
1043 		arg_count++;
1044 		types >>= SLJIT_DEF_SHIFT;
1045 	}
1046 	CHECK_ARGUMENT(arg_count <= saveds && types == 0);
1047 
1048 	compiler->last_flags = 0;
1049 #endif
1050 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1051 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1052 		fprintf(compiler->verbose, "  enter options:%s args[", (options & SLJIT_F64_ALIGNMENT) ? "f64_align" : "");
1053 
1054 		arg_types >>= SLJIT_DEF_SHIFT;
1055 		while (arg_types) {
1056 			fprintf(compiler->verbose, "%s", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1057 			arg_types >>= SLJIT_DEF_SHIFT;
1058 			if (arg_types)
1059 				fprintf(compiler->verbose, ",");
1060 		}
1061 
1062 		fprintf(compiler->verbose, "] scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
1063 			scratches, saveds, fscratches, fsaveds, local_size);
1064 	}
1065 #endif
1066 	CHECK_RETURN_OK;
1067 }
1068 
check_sljit_set_context(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 arg_types,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)1069 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_set_context(struct sljit_compiler *compiler,
1070 	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
1071 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
1072 {
1073 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1074 	sljit_s32 types, arg_count, curr_type;
1075 #endif
1076 
1077 	SLJIT_UNUSED_ARG(compiler);
1078 
1079 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1080 	CHECK_ARGUMENT(!(options & ~SLJIT_F64_ALIGNMENT));
1081 	CHECK_ARGUMENT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
1082 	CHECK_ARGUMENT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
1083 	CHECK_ARGUMENT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
1084 	CHECK_ARGUMENT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1085 	CHECK_ARGUMENT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1086 	CHECK_ARGUMENT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1087 	CHECK_ARGUMENT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
1088 
1089 	types = (arg_types >> SLJIT_DEF_SHIFT);
1090 	arg_count = 0;
1091 	while (types != 0 && arg_count < 3) {
1092 		curr_type = (types & SLJIT_DEF_MASK);
1093 		CHECK_ARGUMENT(curr_type == SLJIT_ARG_TYPE_SW || curr_type == SLJIT_ARG_TYPE_UW);
1094 		arg_count++;
1095 		types >>= SLJIT_DEF_SHIFT;
1096 	}
1097 	CHECK_ARGUMENT(arg_count <= saveds && types == 0);
1098 
1099 	compiler->last_flags = 0;
1100 #endif
1101 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1102 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1103 		fprintf(compiler->verbose, "  set_context options:%s args[", (options & SLJIT_F64_ALIGNMENT) ? "f64_align" : "");
1104 
1105 		arg_types >>= SLJIT_DEF_SHIFT;
1106 		while (arg_types) {
1107 			fprintf(compiler->verbose, "%s", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1108 			arg_types >>= SLJIT_DEF_SHIFT;
1109 			if (arg_types)
1110 				fprintf(compiler->verbose, ",");
1111 		}
1112 
1113 		fprintf(compiler->verbose, "] scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
1114 			scratches, saveds, fscratches, fsaveds, local_size);
1115 	}
1116 #endif
1117 	CHECK_RETURN_OK;
1118 }
1119 
check_sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)1120 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
1121 {
1122 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1123 	CHECK_ARGUMENT(compiler->scratches >= 0);
1124 	if (op != SLJIT_UNUSED) {
1125 		CHECK_ARGUMENT(op >= SLJIT_MOV && op <= SLJIT_MOV_P);
1126 		FUNCTION_CHECK_SRC(src, srcw);
1127 	}
1128 	else
1129 		CHECK_ARGUMENT(src == 0 && srcw == 0);
1130 	compiler->last_flags = 0;
1131 #endif
1132 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1133 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1134 		if (op == SLJIT_UNUSED)
1135 			fprintf(compiler->verbose, "  return\n");
1136 		else {
1137 			fprintf(compiler->verbose, "  return%s ", op1_names[op - SLJIT_OP1_BASE]);
1138 			sljit_verbose_param(compiler, src, srcw);
1139 			fprintf(compiler->verbose, "\n");
1140 		}
1141 	}
1142 #endif
1143 	CHECK_RETURN_OK;
1144 }
1145 
check_sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1146 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1147 {
1148 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1149 	FUNCTION_CHECK_DST(dst, dstw, 0);
1150 	compiler->last_flags = 0;
1151 #endif
1152 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1153 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1154 		fprintf(compiler->verbose, "  fast_enter ");
1155 		sljit_verbose_param(compiler, dst, dstw);
1156 		fprintf(compiler->verbose, "\n");
1157 	}
1158 #endif
1159 	CHECK_RETURN_OK;
1160 }
1161 
check_sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)1162 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
1163 {
1164 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1165 	CHECK_ARGUMENT((op >= SLJIT_BREAKPOINT && op <= SLJIT_LMUL_SW)
1166 		|| ((op & ~SLJIT_I32_OP) >= SLJIT_DIVMOD_UW && (op & ~SLJIT_I32_OP) <= SLJIT_DIV_SW)
1167 		|| (op >= SLJIT_ENDBR && op <= SLJIT_SKIP_FRAMES_BEFORE_RETURN));
1168 	CHECK_ARGUMENT(GET_OPCODE(op) < SLJIT_LMUL_UW || GET_OPCODE(op) >= SLJIT_ENDBR || compiler->scratches >= 2);
1169 	if ((GET_OPCODE(op) >= SLJIT_LMUL_UW && GET_OPCODE(op) <= SLJIT_DIV_SW) || op == SLJIT_SKIP_FRAMES_BEFORE_RETURN)
1170 		compiler->last_flags = 0;
1171 #endif
1172 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1173 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1174 	{
1175 		fprintf(compiler->verbose, "  %s", op0_names[GET_OPCODE(op) - SLJIT_OP0_BASE]);
1176 		if (GET_OPCODE(op) >= SLJIT_DIVMOD_UW && GET_OPCODE(op) <= SLJIT_DIV_SW) {
1177 			fprintf(compiler->verbose, (op & SLJIT_I32_OP) ? "32" : "w");
1178 		}
1179 		fprintf(compiler->verbose, "\n");
1180 	}
1181 #endif
1182 	CHECK_RETURN_OK;
1183 }
1184 
check_sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1185 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
1186 	sljit_s32 dst, sljit_sw dstw,
1187 	sljit_s32 src, sljit_sw srcw)
1188 {
1189 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1190 		compiler->skip_checks = 0;
1191 		CHECK_RETURN_OK;
1192 	}
1193 
1194 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1195 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_CLZ);
1196 
1197 	switch (GET_OPCODE(op)) {
1198 	case SLJIT_NOT:
1199 		/* Only SLJIT_I32_OP and SLJIT_SET_Z are allowed. */
1200 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK));
1201 		break;
1202 	case SLJIT_NEG:
1203 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1204 			|| GET_FLAG_TYPE(op) == SLJIT_OVERFLOW);
1205 		break;
1206 	case SLJIT_MOV:
1207 	case SLJIT_MOV_U32:
1208 	case SLJIT_MOV_P:
1209 		/* Nothing allowed */
1210 		CHECK_ARGUMENT(!(op & (SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1211 		break;
1212 	default:
1213 		/* Only SLJIT_I32_OP is allowed. */
1214 		CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1215 		break;
1216 	}
1217 
1218 	FUNCTION_CHECK_DST(dst, dstw, HAS_FLAGS(op));
1219 	FUNCTION_CHECK_SRC(src, srcw);
1220 
1221 	if (GET_OPCODE(op) >= SLJIT_NOT) {
1222 		CHECK_ARGUMENT(src != SLJIT_IMM);
1223 		compiler->last_flags = GET_FLAG_TYPE(op) | (op & (SLJIT_I32_OP | SLJIT_SET_Z));
1224 	}
1225 #endif
1226 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1227 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1228 		if (GET_OPCODE(op) <= SLJIT_MOV_P)
1229 		{
1230 			fprintf(compiler->verbose, "  mov%s%s ", !(op & SLJIT_I32_OP) ? "" : "32",
1231 				(op != SLJIT_MOV32) ? op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE] : "");
1232 		}
1233 		else
1234 		{
1235 			fprintf(compiler->verbose, "  %s%s%s%s%s ", op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE], !(op & SLJIT_I32_OP) ? "" : "32",
1236 				!(op & SLJIT_SET_Z) ? "" : ".z", !(op & VARIABLE_FLAG_MASK) ? "" : ".",
1237 				!(op & VARIABLE_FLAG_MASK) ? "" : jump_names[GET_FLAG_TYPE(op)]);
1238 		}
1239 
1240 		sljit_verbose_param(compiler, dst, dstw);
1241 		fprintf(compiler->verbose, ", ");
1242 		sljit_verbose_param(compiler, src, srcw);
1243 		fprintf(compiler->verbose, "\n");
1244 	}
1245 #endif
1246 	CHECK_RETURN_OK;
1247 }
1248 
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)1249 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
1250 	sljit_s32 dst, sljit_sw dstw,
1251 	sljit_s32 src1, sljit_sw src1w,
1252 	sljit_s32 src2, sljit_sw src2w)
1253 {
1254 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1255 		compiler->skip_checks = 0;
1256 		CHECK_RETURN_OK;
1257 	}
1258 
1259 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1260 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_ADD && GET_OPCODE(op) <= SLJIT_ASHR);
1261 
1262 	switch (GET_OPCODE(op)) {
1263 	case SLJIT_AND:
1264 	case SLJIT_OR:
1265 	case SLJIT_XOR:
1266 	case SLJIT_SHL:
1267 	case SLJIT_LSHR:
1268 	case SLJIT_ASHR:
1269 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK));
1270 		break;
1271 	case SLJIT_MUL:
1272 		CHECK_ARGUMENT(!(op & SLJIT_SET_Z));
1273 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1274 			|| GET_FLAG_TYPE(op) == SLJIT_MUL_OVERFLOW);
1275 		break;
1276 	case SLJIT_ADD:
1277 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1278 			|| GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)
1279 			|| GET_FLAG_TYPE(op) == SLJIT_OVERFLOW);
1280 		break;
1281 	case SLJIT_SUB:
1282 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1283 			|| (GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_OVERFLOW)
1284 			|| GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY));
1285 		break;
1286 	case SLJIT_ADDC:
1287 	case SLJIT_SUBC:
1288 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1289 			|| GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY));
1290 		CHECK_ARGUMENT((compiler->last_flags & 0xff) == GET_FLAG_TYPE(SLJIT_SET_CARRY));
1291 		CHECK_ARGUMENT((op & SLJIT_I32_OP) == (compiler->last_flags & SLJIT_I32_OP));
1292 		break;
1293 	default:
1294 		SLJIT_UNREACHABLE();
1295 		break;
1296 	}
1297 
1298 	FUNCTION_CHECK_DST(dst, dstw, HAS_FLAGS(op));
1299 	FUNCTION_CHECK_SRC(src1, src1w);
1300 	FUNCTION_CHECK_SRC(src2, src2w);
1301 	compiler->last_flags = GET_FLAG_TYPE(op) | (op & (SLJIT_I32_OP | SLJIT_SET_Z));
1302 #endif
1303 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1304 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1305 		fprintf(compiler->verbose, "  %s%s%s%s%s ", op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE], !(op & SLJIT_I32_OP) ? "" : "32",
1306 			!(op & SLJIT_SET_Z) ? "" : ".z", !(op & VARIABLE_FLAG_MASK) ? "" : ".",
1307 			!(op & VARIABLE_FLAG_MASK) ? "" : jump_names[GET_FLAG_TYPE(op)]);
1308 		sljit_verbose_param(compiler, dst, dstw);
1309 		fprintf(compiler->verbose, ", ");
1310 		sljit_verbose_param(compiler, src1, src1w);
1311 		fprintf(compiler->verbose, ", ");
1312 		sljit_verbose_param(compiler, src2, src2w);
1313 		fprintf(compiler->verbose, "\n");
1314 	}
1315 #endif
1316 	CHECK_RETURN_OK;
1317 }
1318 
check_sljit_emit_op_src(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)1319 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op,
1320 	sljit_s32 src, sljit_sw srcw)
1321 {
1322 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1323 	CHECK_ARGUMENT(op >= SLJIT_FAST_RETURN && op <= SLJIT_PREFETCH_ONCE);
1324 	FUNCTION_CHECK_SRC(src, srcw);
1325 
1326 	if (op == SLJIT_FAST_RETURN || op == SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN)
1327 	{
1328 		CHECK_ARGUMENT(src != SLJIT_IMM);
1329 		compiler->last_flags = 0;
1330 	}
1331 	else if (op >= SLJIT_PREFETCH_L1 && op <= SLJIT_PREFETCH_ONCE)
1332 	{
1333 		CHECK_ARGUMENT(src & SLJIT_MEM);
1334 	}
1335 #endif
1336 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1337 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1338 		fprintf(compiler->verbose, "  %s ", op_src_names[op - SLJIT_OP_SRC_BASE]);
1339 		sljit_verbose_param(compiler, src, srcw);
1340 		fprintf(compiler->verbose, "\n");
1341 	}
1342 #endif
1343 	CHECK_RETURN_OK;
1344 }
1345 
check_sljit_get_register_index(sljit_s32 reg)1346 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_register_index(sljit_s32 reg)
1347 {
1348 	SLJIT_UNUSED_ARG(reg);
1349 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1350 	CHECK_ARGUMENT(reg > 0 && reg <= SLJIT_NUMBER_OF_REGISTERS);
1351 #endif
1352 	CHECK_RETURN_OK;
1353 }
1354 
check_sljit_get_float_register_index(sljit_s32 reg)1355 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_float_register_index(sljit_s32 reg)
1356 {
1357 	SLJIT_UNUSED_ARG(reg);
1358 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1359 	CHECK_ARGUMENT(reg > 0 && reg <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1360 #endif
1361 	CHECK_RETURN_OK;
1362 }
1363 
check_sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)1364 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_custom(struct sljit_compiler *compiler,
1365 	void *instruction, sljit_s32 size)
1366 {
1367 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1368 	int i;
1369 #endif
1370 
1371 	SLJIT_UNUSED_ARG(compiler);
1372 
1373 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1374 	CHECK_ARGUMENT(instruction);
1375 
1376 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1377 	CHECK_ARGUMENT(size > 0 && size < 16);
1378 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
1379 	CHECK_ARGUMENT((size == 2 && (((sljit_sw)instruction) & 0x1) == 0)
1380 		|| (size == 4 && (((sljit_sw)instruction) & 0x3) == 0));
1381 #else
1382 	CHECK_ARGUMENT(size == 4 && (((sljit_sw)instruction) & 0x3) == 0);
1383 #endif
1384 
1385 	compiler->last_flags = 0;
1386 #endif
1387 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1388 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1389 		fprintf(compiler->verbose, "  op_custom");
1390 		for (i = 0; i < size; i++)
1391 			fprintf(compiler->verbose, " 0x%x", ((sljit_u8*)instruction)[i]);
1392 		fprintf(compiler->verbose, "\n");
1393 	}
1394 #endif
1395 	CHECK_RETURN_OK;
1396 }
1397 
check_sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1398 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1399 	sljit_s32 dst, sljit_sw dstw,
1400 	sljit_s32 src, sljit_sw srcw)
1401 {
1402 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1403 		compiler->skip_checks = 0;
1404 		CHECK_RETURN_OK;
1405 	}
1406 
1407 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1408 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1409 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_MOV_F64 && GET_OPCODE(op) <= SLJIT_ABS_F64);
1410 	CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1411 	FUNCTION_FCHECK(src, srcw);
1412 	FUNCTION_FCHECK(dst, dstw);
1413 #endif
1414 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1415 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1416 		if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1417 			fprintf(compiler->verbose, "  %s%s ", fop1_names[SLJIT_CONV_F64_FROM_F32 - SLJIT_FOP1_BASE],
1418 				(op & SLJIT_F32_OP) ? ".f32.from.f64" : ".f64.from.f32");
1419 		else
1420 			fprintf(compiler->verbose, "  %s%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1421 				(op & SLJIT_F32_OP) ? ".f32" : ".f64");
1422 
1423 		sljit_verbose_fparam(compiler, dst, dstw);
1424 		fprintf(compiler->verbose, ", ");
1425 		sljit_verbose_fparam(compiler, src, srcw);
1426 		fprintf(compiler->verbose, "\n");
1427 	}
1428 #endif
1429 	CHECK_RETURN_OK;
1430 }
1431 
check_sljit_emit_fop1_cmp(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1432 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1433 	sljit_s32 src1, sljit_sw src1w,
1434 	sljit_s32 src2, sljit_sw src2w)
1435 {
1436 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1437 	compiler->last_flags = GET_FLAG_TYPE(op) | (op & (SLJIT_I32_OP | SLJIT_SET_Z));
1438 #endif
1439 
1440 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1441 		compiler->skip_checks = 0;
1442 		CHECK_RETURN_OK;
1443 	}
1444 
1445 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1446 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1447 	CHECK_ARGUMENT(GET_OPCODE(op) == SLJIT_CMP_F64);
1448 	CHECK_ARGUMENT(!(op & SLJIT_SET_Z));
1449 	CHECK_ARGUMENT((op & VARIABLE_FLAG_MASK)
1450 		|| (GET_FLAG_TYPE(op) >= SLJIT_EQUAL_F64 && GET_FLAG_TYPE(op) <= SLJIT_ORDERED_F64));
1451 	FUNCTION_FCHECK(src1, src1w);
1452 	FUNCTION_FCHECK(src2, src2w);
1453 #endif
1454 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1455 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1456 		fprintf(compiler->verbose, "  %s%s", fop1_names[SLJIT_CMP_F64 - SLJIT_FOP1_BASE], (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1457 		if (op & VARIABLE_FLAG_MASK) {
1458 			fprintf(compiler->verbose, ".%s_f", jump_names[GET_FLAG_TYPE(op)]);
1459 		}
1460 		fprintf(compiler->verbose, " ");
1461 		sljit_verbose_fparam(compiler, src1, src1w);
1462 		fprintf(compiler->verbose, ", ");
1463 		sljit_verbose_fparam(compiler, src2, src2w);
1464 		fprintf(compiler->verbose, "\n");
1465 	}
1466 #endif
1467 	CHECK_RETURN_OK;
1468 }
1469 
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)1470 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
1471 	sljit_s32 dst, sljit_sw dstw,
1472 	sljit_s32 src, sljit_sw srcw)
1473 {
1474 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1475 		compiler->skip_checks = 0;
1476 		CHECK_RETURN_OK;
1477 	}
1478 
1479 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1480 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1481 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_CONV_SW_FROM_F64 && GET_OPCODE(op) <= SLJIT_CONV_S32_FROM_F64);
1482 	CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1483 	FUNCTION_FCHECK(src, srcw);
1484 	FUNCTION_CHECK_DST(dst, dstw, 0);
1485 #endif
1486 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1487 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1488 		fprintf(compiler->verbose, "  %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1489 			(GET_OPCODE(op) == SLJIT_CONV_S32_FROM_F64) ? ".s32" : ".sw",
1490 			(op & SLJIT_F32_OP) ? ".f32" : ".f64");
1491 		sljit_verbose_param(compiler, dst, dstw);
1492 		fprintf(compiler->verbose, ", ");
1493 		sljit_verbose_fparam(compiler, src, srcw);
1494 		fprintf(compiler->verbose, "\n");
1495 	}
1496 #endif
1497 	CHECK_RETURN_OK;
1498 }
1499 
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)1500 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1501 	sljit_s32 dst, sljit_sw dstw,
1502 	sljit_s32 src, sljit_sw srcw)
1503 {
1504 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1505 		compiler->skip_checks = 0;
1506 		CHECK_RETURN_OK;
1507 	}
1508 
1509 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1510 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1511 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_CONV_F64_FROM_SW && GET_OPCODE(op) <= SLJIT_CONV_F64_FROM_S32);
1512 	CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1513 	FUNCTION_CHECK_SRC(src, srcw);
1514 	FUNCTION_FCHECK(dst, dstw);
1515 #endif
1516 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1517 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1518 		fprintf(compiler->verbose, "  %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1519 			(op & SLJIT_F32_OP) ? ".f32" : ".f64",
1520 			(GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) ? ".s32" : ".sw");
1521 		sljit_verbose_fparam(compiler, dst, dstw);
1522 		fprintf(compiler->verbose, ", ");
1523 		sljit_verbose_param(compiler, src, srcw);
1524 		fprintf(compiler->verbose, "\n");
1525 	}
1526 #endif
1527 	CHECK_RETURN_OK;
1528 }
1529 
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)1530 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1531 	sljit_s32 dst, sljit_sw dstw,
1532 	sljit_s32 src1, sljit_sw src1w,
1533 	sljit_s32 src2, sljit_sw src2w)
1534 {
1535 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1536 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1537 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_ADD_F64 && GET_OPCODE(op) <= SLJIT_DIV_F64);
1538 	CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1539 	FUNCTION_FCHECK(src1, src1w);
1540 	FUNCTION_FCHECK(src2, src2w);
1541 	FUNCTION_FCHECK(dst, dstw);
1542 #endif
1543 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1544 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1545 		fprintf(compiler->verbose, "  %s%s ", fop2_names[GET_OPCODE(op) - SLJIT_FOP2_BASE], (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1546 		sljit_verbose_fparam(compiler, dst, dstw);
1547 		fprintf(compiler->verbose, ", ");
1548 		sljit_verbose_fparam(compiler, src1, src1w);
1549 		fprintf(compiler->verbose, ", ");
1550 		sljit_verbose_fparam(compiler, src2, src2w);
1551 		fprintf(compiler->verbose, "\n");
1552 	}
1553 #endif
1554 	CHECK_RETURN_OK;
1555 }
1556 
check_sljit_emit_label(struct sljit_compiler * compiler)1557 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_label(struct sljit_compiler *compiler)
1558 {
1559 	SLJIT_UNUSED_ARG(compiler);
1560 
1561 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1562 		compiler->skip_checks = 0;
1563 		CHECK_RETURN_OK;
1564 	}
1565 
1566 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1567 	compiler->last_flags = 0;
1568 #endif
1569 
1570 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1571 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1572 		fprintf(compiler->verbose, "label:\n");
1573 #endif
1574 	CHECK_RETURN_OK;
1575 }
1576 
check_sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)1577 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1578 {
1579 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1580 		compiler->skip_checks = 0;
1581 		CHECK_RETURN_OK;
1582 	}
1583 
1584 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1585 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
1586 	CHECK_ARGUMENT((type & 0xff) != GET_FLAG_TYPE(SLJIT_SET_CARRY) && (type & 0xff) != (GET_FLAG_TYPE(SLJIT_SET_CARRY) + 1));
1587 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_FAST_CALL);
1588 	CHECK_ARGUMENT((type & 0xff) < SLJIT_JUMP || !(type & SLJIT_I32_OP));
1589 
1590 	if ((type & 0xff) < SLJIT_JUMP) {
1591 		if ((type & 0xff) <= SLJIT_NOT_ZERO)
1592 			CHECK_ARGUMENT(compiler->last_flags & SLJIT_SET_Z);
1593 		else
1594 			CHECK_ARGUMENT((type & 0xff) == (compiler->last_flags & 0xff)
1595 				|| ((type & 0xff) == SLJIT_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_OVERFLOW)
1596 				|| ((type & 0xff) == SLJIT_MUL_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_MUL_OVERFLOW));
1597 		CHECK_ARGUMENT((type & SLJIT_I32_OP) == (compiler->last_flags & SLJIT_I32_OP));
1598 	}
1599 #endif
1600 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1601 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1602 		fprintf(compiler->verbose, "  jump%s %s%s\n", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1603 			jump_names[type & 0xff], JUMP_POSTFIX(type));
1604 #endif
1605 	CHECK_RETURN_OK;
1606 }
1607 
check_sljit_emit_call(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types)1608 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
1609 	sljit_s32 arg_types)
1610 {
1611 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1612 	sljit_s32 i, types, curr_type, scratches, fscratches;
1613 
1614 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP)));
1615 	CHECK_ARGUMENT((type & 0xff) == SLJIT_CALL || (type & 0xff) == SLJIT_CALL_CDECL);
1616 
1617 	types = arg_types;
1618 	scratches = 0;
1619 	fscratches = 0;
1620 	for (i = 0; i < 5; i++) {
1621 		curr_type = (types & SLJIT_DEF_MASK);
1622 		CHECK_ARGUMENT(curr_type <= SLJIT_ARG_TYPE_F64);
1623 		if (i > 0) {
1624 			if (curr_type == 0) {
1625 				break;
1626 			}
1627 			if (curr_type >= SLJIT_ARG_TYPE_F32)
1628 				fscratches++;
1629 			else
1630 				scratches++;
1631 		} else {
1632 			if (curr_type >= SLJIT_ARG_TYPE_F32) {
1633 				CHECK_ARGUMENT(compiler->fscratches > 0);
1634 			} else if (curr_type >= SLJIT_ARG_TYPE_SW) {
1635 				CHECK_ARGUMENT(compiler->scratches > 0);
1636 			}
1637 		}
1638 		types >>= SLJIT_DEF_SHIFT;
1639 	}
1640 	CHECK_ARGUMENT(compiler->scratches >= scratches);
1641 	CHECK_ARGUMENT(compiler->fscratches >= fscratches);
1642 	CHECK_ARGUMENT(types == 0);
1643 #endif
1644 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1645 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1646 		fprintf(compiler->verbose, "  %s%s ret[%s", jump_names[type & 0xff],
1647 			!(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1648 
1649 		arg_types >>= SLJIT_DEF_SHIFT;
1650 		if (arg_types) {
1651 			fprintf(compiler->verbose, "], args[");
1652 			do {
1653 				fprintf(compiler->verbose, "%s", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1654 				arg_types >>= SLJIT_DEF_SHIFT;
1655 				if (arg_types)
1656 					fprintf(compiler->verbose, ",");
1657 			} while (arg_types);
1658 		}
1659 		fprintf(compiler->verbose, "]\n");
1660 	}
1661 #endif
1662 	CHECK_RETURN_OK;
1663 }
1664 
check_sljit_emit_cmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1665 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
1666 	sljit_s32 src1, sljit_sw src1w,
1667 	sljit_s32 src2, sljit_sw src2w)
1668 {
1669 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1670 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
1671 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_SIG_LESS_EQUAL);
1672 	FUNCTION_CHECK_SRC(src1, src1w);
1673 	FUNCTION_CHECK_SRC(src2, src2w);
1674 	compiler->last_flags = 0;
1675 #endif
1676 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1677 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1678 		fprintf(compiler->verbose, "  cmp%s %s%s, ", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1679 			jump_names[type & 0xff], (type & SLJIT_I32_OP) ? "32" : "");
1680 		sljit_verbose_param(compiler, src1, src1w);
1681 		fprintf(compiler->verbose, ", ");
1682 		sljit_verbose_param(compiler, src2, src2w);
1683 		fprintf(compiler->verbose, "\n");
1684 	}
1685 #endif
1686 	CHECK_RETURN_OK;
1687 }
1688 
check_sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1689 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
1690 	sljit_s32 src1, sljit_sw src1w,
1691 	sljit_s32 src2, sljit_sw src2w)
1692 {
1693 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1694 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1695 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_F32_OP)));
1696 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL_F64 && (type & 0xff) <= SLJIT_ORDERED_F64);
1697 	FUNCTION_FCHECK(src1, src1w);
1698 	FUNCTION_FCHECK(src2, src2w);
1699 	compiler->last_flags = 0;
1700 #endif
1701 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1702 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1703 		fprintf(compiler->verbose, "  fcmp%s %s%s, ", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1704 			jump_names[type & 0xff], (type & SLJIT_F32_OP) ? ".f32" : ".f64");
1705 		sljit_verbose_fparam(compiler, src1, src1w);
1706 		fprintf(compiler->verbose, ", ");
1707 		sljit_verbose_fparam(compiler, src2, src2w);
1708 		fprintf(compiler->verbose, "\n");
1709 	}
1710 #endif
1711 	CHECK_RETURN_OK;
1712 }
1713 
check_sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)1714 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type,
1715 	sljit_s32 src, sljit_sw srcw)
1716 {
1717 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1718 		compiler->skip_checks = 0;
1719 		CHECK_RETURN_OK;
1720 	}
1721 
1722 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1723 	CHECK_ARGUMENT(type >= SLJIT_JUMP && type <= SLJIT_FAST_CALL);
1724 	FUNCTION_CHECK_SRC(src, srcw);
1725 #endif
1726 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1727 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1728 		fprintf(compiler->verbose, "  ijump.%s ", jump_names[type]);
1729 		sljit_verbose_param(compiler, src, srcw);
1730 		fprintf(compiler->verbose, "\n");
1731 	}
1732 #endif
1733 	CHECK_RETURN_OK;
1734 }
1735 
check_sljit_emit_icall(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types,sljit_s32 src,sljit_sw srcw)1736 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
1737 	sljit_s32 arg_types,
1738 	sljit_s32 src, sljit_sw srcw)
1739 {
1740 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1741 	sljit_s32 i, types, curr_type, scratches, fscratches;
1742 
1743 	CHECK_ARGUMENT(type == SLJIT_CALL || type == SLJIT_CALL_CDECL);
1744 	FUNCTION_CHECK_SRC(src, srcw);
1745 
1746 	types = arg_types;
1747 	scratches = 0;
1748 	fscratches = 0;
1749 	for (i = 0; i < 5; i++) {
1750 		curr_type = (types & SLJIT_DEF_MASK);
1751 		CHECK_ARGUMENT(curr_type <= SLJIT_ARG_TYPE_F64);
1752 		if (i > 0) {
1753 			if (curr_type == 0) {
1754 				break;
1755 			}
1756 			if (curr_type >= SLJIT_ARG_TYPE_F32)
1757 				fscratches++;
1758 			else
1759 				scratches++;
1760 		} else {
1761 			if (curr_type >= SLJIT_ARG_TYPE_F32) {
1762 				CHECK_ARGUMENT(compiler->fscratches > 0);
1763 			} else if (curr_type >= SLJIT_ARG_TYPE_SW) {
1764 				CHECK_ARGUMENT(compiler->scratches > 0);
1765 			}
1766 		}
1767 		types >>= SLJIT_DEF_SHIFT;
1768 	}
1769 	CHECK_ARGUMENT(compiler->scratches >= scratches);
1770 	CHECK_ARGUMENT(compiler->fscratches >= fscratches);
1771 	CHECK_ARGUMENT(types == 0);
1772 #endif
1773 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1774 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1775 		fprintf(compiler->verbose, "  i%s%s ret[%s", jump_names[type & 0xff],
1776 			!(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1777 
1778 		arg_types >>= SLJIT_DEF_SHIFT;
1779 		if (arg_types) {
1780 			fprintf(compiler->verbose, "], args[");
1781 			do {
1782 				fprintf(compiler->verbose, "%s", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1783 				arg_types >>= SLJIT_DEF_SHIFT;
1784 				if (arg_types)
1785 					fprintf(compiler->verbose, ",");
1786 			} while (arg_types);
1787 		}
1788 		fprintf(compiler->verbose, "], ");
1789 		sljit_verbose_param(compiler, src, srcw);
1790 		fprintf(compiler->verbose, "\n");
1791 	}
1792 #endif
1793 	CHECK_RETURN_OK;
1794 }
1795 
check_sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 type)1796 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1797 	sljit_s32 dst, sljit_sw dstw,
1798 	sljit_s32 type)
1799 {
1800 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1801 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_I32_OP)));
1802 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_ORDERED_F64);
1803 	CHECK_ARGUMENT((type & 0xff) != GET_FLAG_TYPE(SLJIT_SET_CARRY) && (type & 0xff) != (GET_FLAG_TYPE(SLJIT_SET_CARRY) + 1));
1804 	CHECK_ARGUMENT(op == SLJIT_MOV || op == SLJIT_MOV32
1805 		|| (GET_OPCODE(op) >= SLJIT_AND && GET_OPCODE(op) <= SLJIT_XOR));
1806 	CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK));
1807 
1808 	if ((type & 0xff) <= SLJIT_NOT_ZERO)
1809 		CHECK_ARGUMENT(compiler->last_flags & SLJIT_SET_Z);
1810 	else
1811 		CHECK_ARGUMENT((type & 0xff) == (compiler->last_flags & 0xff)
1812 			|| ((type & 0xff) == SLJIT_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_OVERFLOW)
1813 			|| ((type & 0xff) == SLJIT_MUL_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_MUL_OVERFLOW));
1814 
1815 	FUNCTION_CHECK_DST(dst, dstw, 0);
1816 
1817 	if (GET_OPCODE(op) >= SLJIT_ADD)
1818 		compiler->last_flags = GET_FLAG_TYPE(op) | (op & (SLJIT_I32_OP | SLJIT_SET_Z));
1819 #endif
1820 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1821 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1822 		fprintf(compiler->verbose, "  flags%s %s%s, ",
1823 			!(op & SLJIT_SET_Z) ? "" : ".z",
1824 			GET_OPCODE(op) < SLJIT_OP2_BASE ? "mov" : op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE],
1825 			GET_OPCODE(op) < SLJIT_OP2_BASE ? op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE] : ((op & SLJIT_I32_OP) ? "32" : ""));
1826 		sljit_verbose_param(compiler, dst, dstw);
1827 		fprintf(compiler->verbose, ", %s%s\n", jump_names[type & 0xff], JUMP_POSTFIX(type));
1828 	}
1829 #endif
1830 	CHECK_RETURN_OK;
1831 }
1832 
check_sljit_emit_cmov(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)1833 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1834 	sljit_s32 dst_reg,
1835 	sljit_s32 src, sljit_sw srcw)
1836 {
1837 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1838 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_I32_OP)));
1839 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_ORDERED_F64);
1840 
1841 	CHECK_ARGUMENT(compiler->scratches != -1 && compiler->saveds != -1);
1842 	CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(dst_reg & ~SLJIT_I32_OP));
1843 	if (src != SLJIT_IMM) {
1844 		CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(src));
1845 		CHECK_ARGUMENT(srcw == 0);
1846 	}
1847 
1848 	if ((type & 0xff) <= SLJIT_NOT_ZERO)
1849 		CHECK_ARGUMENT(compiler->last_flags & SLJIT_SET_Z);
1850 	else
1851 		CHECK_ARGUMENT((type & 0xff) == (compiler->last_flags & 0xff)
1852 			|| ((type & 0xff) == SLJIT_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_OVERFLOW)
1853 			|| ((type & 0xff) == SLJIT_MUL_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_MUL_OVERFLOW));
1854 #endif
1855 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1856 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1857 		fprintf(compiler->verbose, "  cmov%s %s%s, ",
1858 			!(dst_reg & SLJIT_I32_OP) ? "" : "32",
1859 			jump_names[type & 0xff], JUMP_POSTFIX(type));
1860 		sljit_verbose_reg(compiler, dst_reg & ~SLJIT_I32_OP);
1861 		fprintf(compiler->verbose, ", ");
1862 		sljit_verbose_param(compiler, src, srcw);
1863 		fprintf(compiler->verbose, "\n");
1864 	}
1865 #endif
1866 	CHECK_RETURN_OK;
1867 }
1868 
check_sljit_emit_mem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 reg,sljit_s32 mem,sljit_sw memw)1869 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type,
1870 	sljit_s32 reg,
1871 	sljit_s32 mem, sljit_sw memw)
1872 {
1873 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1874 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_MOV && (type & 0xff) <= SLJIT_MOV_P);
1875 	CHECK_ARGUMENT(!(type & SLJIT_I32_OP) || ((type & 0xff) != SLJIT_MOV && (type & 0xff) != SLJIT_MOV_U32 && (type & 0xff) != SLJIT_MOV_P));
1876 	CHECK_ARGUMENT((type & SLJIT_MEM_PRE) || (type & SLJIT_MEM_POST));
1877 	CHECK_ARGUMENT((type & (SLJIT_MEM_PRE | SLJIT_MEM_POST)) != (SLJIT_MEM_PRE | SLJIT_MEM_POST));
1878 	CHECK_ARGUMENT((type & ~(0xff | SLJIT_I32_OP | SLJIT_MEM_STORE | SLJIT_MEM_SUPP | SLJIT_MEM_PRE | SLJIT_MEM_POST)) == 0);
1879 
1880 	FUNCTION_CHECK_SRC_MEM(mem, memw);
1881 	CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(reg));
1882 
1883 	CHECK_ARGUMENT((mem & REG_MASK) != SLJIT_UNUSED && (mem & REG_MASK) != reg);
1884 #endif
1885 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1886 	if (!(type & SLJIT_MEM_SUPP) && SLJIT_UNLIKELY(!!compiler->verbose)) {
1887 		if (sljit_emit_mem(compiler, type | SLJIT_MEM_SUPP, reg, mem, memw) == SLJIT_ERR_UNSUPPORTED)
1888 			fprintf(compiler->verbose, "  //");
1889 
1890 		fprintf(compiler->verbose, "  mem%s.%s%s%s ",
1891 			!(type & SLJIT_I32_OP) ? "" : "32",
1892 			(type & SLJIT_MEM_STORE) ? "st" : "ld",
1893 			op1_names[(type & 0xff) - SLJIT_OP1_BASE],
1894 			(type & SLJIT_MEM_PRE) ? ".pre" : ".post");
1895 		sljit_verbose_reg(compiler, reg);
1896 		fprintf(compiler->verbose, ", ");
1897 		sljit_verbose_param(compiler, mem, memw);
1898 		fprintf(compiler->verbose, "\n");
1899 	}
1900 #endif
1901 	CHECK_RETURN_OK;
1902 }
1903 
check_sljit_emit_fmem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 freg,sljit_s32 mem,sljit_sw memw)1904 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type,
1905 	sljit_s32 freg,
1906 	sljit_s32 mem, sljit_sw memw)
1907 {
1908 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1909 	CHECK_ARGUMENT((type & 0xff) == SLJIT_MOV_F64);
1910 	CHECK_ARGUMENT((type & SLJIT_MEM_PRE) || (type & SLJIT_MEM_POST));
1911 	CHECK_ARGUMENT((type & (SLJIT_MEM_PRE | SLJIT_MEM_POST)) != (SLJIT_MEM_PRE | SLJIT_MEM_POST));
1912 	CHECK_ARGUMENT((type & ~(0xff | SLJIT_I32_OP | SLJIT_MEM_STORE | SLJIT_MEM_SUPP | SLJIT_MEM_PRE | SLJIT_MEM_POST)) == 0);
1913 
1914 	FUNCTION_CHECK_SRC_MEM(mem, memw);
1915 	CHECK_ARGUMENT(FUNCTION_CHECK_IS_FREG(freg));
1916 #endif
1917 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1918 	if (!(type & SLJIT_MEM_SUPP) && SLJIT_UNLIKELY(!!compiler->verbose)) {
1919 		if (sljit_emit_fmem(compiler, type | SLJIT_MEM_SUPP, freg, mem, memw) == SLJIT_ERR_UNSUPPORTED)
1920 			fprintf(compiler->verbose, "  //");
1921 
1922 		fprintf(compiler->verbose, "  fmem.%s%s%s ",
1923 			(type & SLJIT_MEM_STORE) ? "st" : "ld",
1924 			!(type & SLJIT_I32_OP) ? ".f64" : ".f32",
1925 			(type & SLJIT_MEM_PRE) ? ".pre" : ".post");
1926 		sljit_verbose_freg(compiler, freg);
1927 		fprintf(compiler->verbose, ", ");
1928 		sljit_verbose_param(compiler, mem, memw);
1929 		fprintf(compiler->verbose, "\n");
1930 	}
1931 #endif
1932 	CHECK_RETURN_OK;
1933 }
1934 
check_sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)1935 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
1936 {
1937 	/* Any offset is allowed. */
1938 	SLJIT_UNUSED_ARG(offset);
1939 
1940 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1941 	FUNCTION_CHECK_DST(dst, dstw, 0);
1942 #endif
1943 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1944 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1945 		fprintf(compiler->verbose, "  local_base ");
1946 		sljit_verbose_param(compiler, dst, dstw);
1947 		fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", offset);
1948 	}
1949 #endif
1950 	CHECK_RETURN_OK;
1951 }
1952 
check_sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw init_value)1953 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1954 {
1955 	SLJIT_UNUSED_ARG(init_value);
1956 
1957 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1958 	FUNCTION_CHECK_DST(dst, dstw, 0);
1959 #endif
1960 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1961 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1962 		fprintf(compiler->verbose, "  const ");
1963 		sljit_verbose_param(compiler, dst, dstw);
1964 		fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", init_value);
1965 	}
1966 #endif
1967 	CHECK_RETURN_OK;
1968 }
1969 
check_sljit_emit_put_label(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1970 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1971 {
1972 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1973 	FUNCTION_CHECK_DST(dst, dstw, 0);
1974 #endif
1975 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1976 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1977 		fprintf(compiler->verbose, "  put_label ");
1978 		sljit_verbose_param(compiler, dst, dstw);
1979 		fprintf(compiler->verbose, "\n");
1980 	}
1981 #endif
1982 	CHECK_RETURN_OK;
1983 }
1984 
1985 #endif /* SLJIT_ARGUMENT_CHECKS || SLJIT_VERBOSE */
1986 
1987 #define SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw) \
1988 	SLJIT_COMPILE_ASSERT(!(SLJIT_CONV_SW_FROM_F64 & 0x1) && !(SLJIT_CONV_F64_FROM_SW & 0x1), \
1989 		invalid_float_opcodes); \
1990 	if (GET_OPCODE(op) >= SLJIT_CONV_SW_FROM_F64 && GET_OPCODE(op) <= SLJIT_CMP_F64) { \
1991 		if (GET_OPCODE(op) == SLJIT_CMP_F64) { \
1992 			CHECK(check_sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw)); \
1993 			ADJUST_LOCAL_OFFSET(dst, dstw); \
1994 			ADJUST_LOCAL_OFFSET(src, srcw); \
1995 			return sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw); \
1996 		} \
1997 		if ((GET_OPCODE(op) | 0x1) == SLJIT_CONV_S32_FROM_F64) { \
1998 			CHECK(check_sljit_emit_fop1_conv_sw_from_f64(compiler, op, dst, dstw, src, srcw)); \
1999 			ADJUST_LOCAL_OFFSET(dst, dstw); \
2000 			ADJUST_LOCAL_OFFSET(src, srcw); \
2001 			return sljit_emit_fop1_conv_sw_from_f64(compiler, op, dst, dstw, src, srcw); \
2002 		} \
2003 		CHECK(check_sljit_emit_fop1_conv_f64_from_sw(compiler, op, dst, dstw, src, srcw)); \
2004 		ADJUST_LOCAL_OFFSET(dst, dstw); \
2005 		ADJUST_LOCAL_OFFSET(src, srcw); \
2006 		return sljit_emit_fop1_conv_f64_from_sw(compiler, op, dst, dstw, src, srcw); \
2007 	} \
2008 	CHECK(check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw)); \
2009 	ADJUST_LOCAL_OFFSET(dst, dstw); \
2010 	ADJUST_LOCAL_OFFSET(src, srcw);
2011 
emit_mov_before_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)2012 static SLJIT_INLINE sljit_s32 emit_mov_before_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
2013 {
2014 	/* Return if don't need to do anything. */
2015 	if (op == SLJIT_UNUSED)
2016 		return SLJIT_SUCCESS;
2017 
2018 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
2019 	/* At the moment the pointer size is always equal to sljit_sw. May be changed in the future. */
2020 	if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_P))
2021 		return SLJIT_SUCCESS;
2022 #else
2023 	if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_U32 || op == SLJIT_MOV_S32 || op == SLJIT_MOV_P))
2024 		return SLJIT_SUCCESS;
2025 #endif
2026 
2027 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) \
2028 		|| (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
2029 	compiler->skip_checks = 1;
2030 #endif
2031 	return sljit_emit_op1(compiler, op, SLJIT_RETURN_REG, 0, src, srcw);
2032 }
2033 
2034 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) \
2035 		|| (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC) \
2036 		|| (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \
2037 		|| ((defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS) && !(defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1))
2038 
sljit_emit_cmov_generic(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)2039 static SLJIT_INLINE sljit_s32 sljit_emit_cmov_generic(struct sljit_compiler *compiler, sljit_s32 type,
2040 	sljit_s32 dst_reg,
2041 	sljit_s32 src, sljit_sw srcw)
2042 {
2043 	struct sljit_label *label;
2044 	struct sljit_jump *jump;
2045 	sljit_s32 op = (dst_reg & SLJIT_I32_OP) ? SLJIT_MOV32 : SLJIT_MOV;
2046 
2047 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2048 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2049 	compiler->skip_checks = 1;
2050 #endif
2051 	jump = sljit_emit_jump(compiler, type ^ 0x1);
2052 	FAIL_IF(!jump);
2053 
2054 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2055 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2056 	compiler->skip_checks = 1;
2057 #endif
2058 	FAIL_IF(sljit_emit_op1(compiler, op, dst_reg & ~SLJIT_I32_OP, 0, src, srcw));
2059 
2060 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2061 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2062 	compiler->skip_checks = 1;
2063 #endif
2064 	label = sljit_emit_label(compiler);
2065 	FAIL_IF(!label);
2066 	sljit_set_label(jump, label);
2067 	return SLJIT_SUCCESS;
2068 }
2069 
2070 #endif
2071 
2072 /* CPU description section */
2073 
2074 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
2075 #define SLJIT_CPUINFO_PART1 " 32bit ("
2076 #elif (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
2077 #define SLJIT_CPUINFO_PART1 " 64bit ("
2078 #else
2079 #error "Internal error: CPU type info missing"
2080 #endif
2081 
2082 #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
2083 #define SLJIT_CPUINFO_PART2 "little endian + "
2084 #elif (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN)
2085 #define SLJIT_CPUINFO_PART2 "big endian + "
2086 #else
2087 #error "Internal error: CPU type info missing"
2088 #endif
2089 
2090 #if (defined SLJIT_UNALIGNED && SLJIT_UNALIGNED)
2091 #define SLJIT_CPUINFO_PART3 "unaligned)"
2092 #else
2093 #define SLJIT_CPUINFO_PART3 "aligned)"
2094 #endif
2095 
2096 #define SLJIT_CPUINFO SLJIT_CPUINFO_PART1 SLJIT_CPUINFO_PART2 SLJIT_CPUINFO_PART3
2097 
2098 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
2099 #	include "sljitNativeX86_common.c"
2100 #elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
2101 #	include "sljitNativeARM_32.c"
2102 #elif (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
2103 #	include "sljitNativeARM_32.c"
2104 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
2105 #	include "sljitNativeARM_T2_32.c"
2106 #elif (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
2107 #	include "sljitNativeARM_64.c"
2108 #elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
2109 #	include "sljitNativePPC_common.c"
2110 #elif (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
2111 #	include "sljitNativeMIPS_common.c"
2112 #elif (defined SLJIT_CONFIG_SPARC && SLJIT_CONFIG_SPARC)
2113 #	include "sljitNativeSPARC_common.c"
2114 #elif (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
2115 #	include "sljitNativeTILEGX_64.c"
2116 #endif
2117 
2118 #if !(defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
2119 
sljit_emit_cmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)2120 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
2121 	sljit_s32 src1, sljit_sw src1w,
2122 	sljit_s32 src2, sljit_sw src2w)
2123 {
2124 	/* Default compare for most architectures. */
2125 	sljit_s32 flags, tmp_src, condition;
2126 	sljit_sw tmp_srcw;
2127 
2128 	CHECK_ERROR_PTR();
2129 	CHECK_PTR(check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w));
2130 
2131 	condition = type & 0xff;
2132 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
2133 	if ((condition == SLJIT_EQUAL || condition == SLJIT_NOT_EQUAL)) {
2134 		if ((src1 & SLJIT_IMM) && !src1w) {
2135 			src1 = src2;
2136 			src1w = src2w;
2137 			src2 = SLJIT_IMM;
2138 			src2w = 0;
2139 		}
2140 		if ((src2 & SLJIT_IMM) && !src2w)
2141 			return emit_cmp_to0(compiler, type, src1, src1w);
2142 	}
2143 #endif
2144 
2145 	if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
2146 		/* Immediate is prefered as second argument by most architectures. */
2147 		switch (condition) {
2148 		case SLJIT_LESS:
2149 			condition = SLJIT_GREATER;
2150 			break;
2151 		case SLJIT_GREATER_EQUAL:
2152 			condition = SLJIT_LESS_EQUAL;
2153 			break;
2154 		case SLJIT_GREATER:
2155 			condition = SLJIT_LESS;
2156 			break;
2157 		case SLJIT_LESS_EQUAL:
2158 			condition = SLJIT_GREATER_EQUAL;
2159 			break;
2160 		case SLJIT_SIG_LESS:
2161 			condition = SLJIT_SIG_GREATER;
2162 			break;
2163 		case SLJIT_SIG_GREATER_EQUAL:
2164 			condition = SLJIT_SIG_LESS_EQUAL;
2165 			break;
2166 		case SLJIT_SIG_GREATER:
2167 			condition = SLJIT_SIG_LESS;
2168 			break;
2169 		case SLJIT_SIG_LESS_EQUAL:
2170 			condition = SLJIT_SIG_GREATER_EQUAL;
2171 			break;
2172 		}
2173 
2174 		type = condition | (type & (SLJIT_I32_OP | SLJIT_REWRITABLE_JUMP));
2175 		tmp_src = src1;
2176 		src1 = src2;
2177 		src2 = tmp_src;
2178 		tmp_srcw = src1w;
2179 		src1w = src2w;
2180 		src2w = tmp_srcw;
2181 	}
2182 
2183 	if (condition <= SLJIT_NOT_ZERO)
2184 		flags = SLJIT_SET_Z;
2185 	else
2186 		flags = condition << VARIABLE_FLAG_SHIFT;
2187 
2188 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2189 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2190 	compiler->skip_checks = 1;
2191 #endif
2192 	PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_I32_OP),
2193 		SLJIT_UNUSED, 0, src1, src1w, src2, src2w));
2194 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2195 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2196 	compiler->skip_checks = 1;
2197 #endif
2198 	return sljit_emit_jump(compiler, condition | (type & (SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
2199 }
2200 
2201 #endif
2202 
sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)2203 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
2204 	sljit_s32 src1, sljit_sw src1w,
2205 	sljit_s32 src2, sljit_sw src2w)
2206 {
2207 	CHECK_ERROR_PTR();
2208 	CHECK_PTR(check_sljit_emit_fcmp(compiler, type, src1, src1w, src2, src2w));
2209 
2210 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2211 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2212 	compiler->skip_checks = 1;
2213 #endif
2214 	sljit_emit_fop1(compiler, SLJIT_CMP_F64 | ((type & 0xff) << VARIABLE_FLAG_SHIFT) | (type & SLJIT_I32_OP), src1, src1w, src2, src2w);
2215 
2216 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2217 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2218 	compiler->skip_checks = 1;
2219 #endif
2220 	return sljit_emit_jump(compiler, type);
2221 }
2222 
2223 #if !(defined SLJIT_CONFIG_ARM_32 && SLJIT_CONFIG_ARM_32) \
2224 	&& !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
2225 	&& !(defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
2226 
sljit_emit_mem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 reg,sljit_s32 mem,sljit_sw memw)2227 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type,
2228 	sljit_s32 reg,
2229 	sljit_s32 mem, sljit_sw memw)
2230 {
2231 	SLJIT_UNUSED_ARG(compiler);
2232 	SLJIT_UNUSED_ARG(type);
2233 	SLJIT_UNUSED_ARG(reg);
2234 	SLJIT_UNUSED_ARG(mem);
2235 	SLJIT_UNUSED_ARG(memw);
2236 
2237 	CHECK_ERROR();
2238 	CHECK(check_sljit_emit_mem(compiler, type, reg, mem, memw));
2239 
2240 	return SLJIT_ERR_UNSUPPORTED;
2241 }
2242 
2243 #endif
2244 
2245 #if !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
2246 	&& !(defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
2247 
sljit_emit_fmem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 freg,sljit_s32 mem,sljit_sw memw)2248 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type,
2249 	sljit_s32 freg,
2250 	sljit_s32 mem, sljit_sw memw)
2251 {
2252 	SLJIT_UNUSED_ARG(compiler);
2253 	SLJIT_UNUSED_ARG(type);
2254 	SLJIT_UNUSED_ARG(freg);
2255 	SLJIT_UNUSED_ARG(mem);
2256 	SLJIT_UNUSED_ARG(memw);
2257 
2258 	CHECK_ERROR();
2259 	CHECK(check_sljit_emit_fmem(compiler, type, freg, mem, memw));
2260 
2261 	return SLJIT_ERR_UNSUPPORTED;
2262 }
2263 
2264 #endif
2265 
2266 #if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) \
2267 	&& !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
2268 
sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)2269 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
2270 {
2271 	CHECK_ERROR();
2272 	CHECK(check_sljit_get_local_base(compiler, dst, dstw, offset));
2273 
2274 	ADJUST_LOCAL_OFFSET(SLJIT_MEM1(SLJIT_SP), offset);
2275 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2276 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2277 	compiler->skip_checks = 1;
2278 #endif
2279 	if (offset != 0)
2280 		return sljit_emit_op2(compiler, SLJIT_ADD, dst, dstw, SLJIT_SP, 0, SLJIT_IMM, offset);
2281 	return sljit_emit_op1(compiler, SLJIT_MOV, dst, dstw, SLJIT_SP, 0);
2282 }
2283 
2284 #endif
2285 
2286 #else /* SLJIT_CONFIG_UNSUPPORTED */
2287 
2288 /* Empty function bodies for those machines, which are not (yet) supported. */
2289 
sljit_get_platform_name(void)2290 SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void)
2291 {
2292 	return "unsupported";
2293 }
2294 
sljit_create_compiler(void * allocator_data)2295 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data)
2296 {
2297 	SLJIT_UNUSED_ARG(allocator_data);
2298 	SLJIT_UNREACHABLE();
2299 	return NULL;
2300 }
2301 
sljit_free_compiler(struct sljit_compiler * compiler)2302 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
2303 {
2304 	SLJIT_UNUSED_ARG(compiler);
2305 	SLJIT_UNREACHABLE();
2306 }
2307 
sljit_set_compiler_memory_error(struct sljit_compiler * compiler)2308 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_compiler_memory_error(struct sljit_compiler *compiler)
2309 {
2310 	SLJIT_UNUSED_ARG(compiler);
2311 	SLJIT_UNREACHABLE();
2312 }
2313 
sljit_alloc_memory(struct sljit_compiler * compiler,sljit_s32 size)2314 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_s32 size)
2315 {
2316 	SLJIT_UNUSED_ARG(compiler);
2317 	SLJIT_UNUSED_ARG(size);
2318 	SLJIT_UNREACHABLE();
2319 	return NULL;
2320 }
2321 
2322 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
sljit_compiler_verbose(struct sljit_compiler * compiler,FILE * verbose)2323 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
2324 {
2325 	SLJIT_UNUSED_ARG(compiler);
2326 	SLJIT_UNUSED_ARG(verbose);
2327 	SLJIT_UNREACHABLE();
2328 }
2329 #endif
2330 
sljit_generate_code(struct sljit_compiler * compiler)2331 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
2332 {
2333 	SLJIT_UNUSED_ARG(compiler);
2334 	SLJIT_UNREACHABLE();
2335 	return NULL;
2336 }
2337 
sljit_has_cpu_feature(sljit_s32 feature_type)2338 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
2339 {
2340 	SLJIT_UNUSED_ARG(feature_type);
2341 	SLJIT_UNREACHABLE();
2342 	return 0;
2343 }
2344 
sljit_free_code(void * code)2345 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
2346 {
2347 	SLJIT_UNUSED_ARG(code);
2348 	SLJIT_UNREACHABLE();
2349 }
2350 
sljit_emit_enter(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 arg_types,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)2351 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
2352 	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
2353 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
2354 {
2355 	SLJIT_UNUSED_ARG(compiler);
2356 	SLJIT_UNUSED_ARG(options);
2357 	SLJIT_UNUSED_ARG(arg_types);
2358 	SLJIT_UNUSED_ARG(scratches);
2359 	SLJIT_UNUSED_ARG(saveds);
2360 	SLJIT_UNUSED_ARG(fscratches);
2361 	SLJIT_UNUSED_ARG(fsaveds);
2362 	SLJIT_UNUSED_ARG(local_size);
2363 	SLJIT_UNREACHABLE();
2364 	return SLJIT_ERR_UNSUPPORTED;
2365 }
2366 
sljit_set_context(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 arg_types,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)2367 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
2368 	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
2369 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
2370 {
2371 	SLJIT_UNUSED_ARG(compiler);
2372 	SLJIT_UNUSED_ARG(options);
2373 	SLJIT_UNUSED_ARG(arg_types);
2374 	SLJIT_UNUSED_ARG(scratches);
2375 	SLJIT_UNUSED_ARG(saveds);
2376 	SLJIT_UNUSED_ARG(fscratches);
2377 	SLJIT_UNUSED_ARG(fsaveds);
2378 	SLJIT_UNUSED_ARG(local_size);
2379 	SLJIT_UNREACHABLE();
2380 	return SLJIT_ERR_UNSUPPORTED;
2381 }
2382 
sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)2383 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
2384 {
2385 	SLJIT_UNUSED_ARG(compiler);
2386 	SLJIT_UNUSED_ARG(op);
2387 	SLJIT_UNUSED_ARG(src);
2388 	SLJIT_UNUSED_ARG(srcw);
2389 	SLJIT_UNREACHABLE();
2390 	return SLJIT_ERR_UNSUPPORTED;
2391 }
2392 
sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)2393 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
2394 {
2395 	SLJIT_UNUSED_ARG(compiler);
2396 	SLJIT_UNUSED_ARG(dst);
2397 	SLJIT_UNUSED_ARG(dstw);
2398 	SLJIT_UNREACHABLE();
2399 	return SLJIT_ERR_UNSUPPORTED;
2400 }
2401 
sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)2402 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
2403 {
2404 	SLJIT_UNUSED_ARG(compiler);
2405 	SLJIT_UNUSED_ARG(op);
2406 	SLJIT_UNREACHABLE();
2407 	return SLJIT_ERR_UNSUPPORTED;
2408 }
2409 
sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)2410 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
2411 	sljit_s32 dst, sljit_sw dstw,
2412 	sljit_s32 src, sljit_sw srcw)
2413 {
2414 	SLJIT_UNUSED_ARG(compiler);
2415 	SLJIT_UNUSED_ARG(op);
2416 	SLJIT_UNUSED_ARG(dst);
2417 	SLJIT_UNUSED_ARG(dstw);
2418 	SLJIT_UNUSED_ARG(src);
2419 	SLJIT_UNUSED_ARG(srcw);
2420 	SLJIT_UNREACHABLE();
2421 	return SLJIT_ERR_UNSUPPORTED;
2422 }
2423 
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)2424 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
2425 	sljit_s32 dst, sljit_sw dstw,
2426 	sljit_s32 src1, sljit_sw src1w,
2427 	sljit_s32 src2, sljit_sw src2w)
2428 {
2429 	SLJIT_UNUSED_ARG(compiler);
2430 	SLJIT_UNUSED_ARG(op);
2431 	SLJIT_UNUSED_ARG(dst);
2432 	SLJIT_UNUSED_ARG(dstw);
2433 	SLJIT_UNUSED_ARG(src1);
2434 	SLJIT_UNUSED_ARG(src1w);
2435 	SLJIT_UNUSED_ARG(src2);
2436 	SLJIT_UNUSED_ARG(src2w);
2437 	SLJIT_UNREACHABLE();
2438 	return SLJIT_ERR_UNSUPPORTED;
2439 }
2440 
sljit_emit_op_src(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)2441 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op,
2442 	sljit_s32 src, sljit_sw srcw)
2443 {
2444 	SLJIT_UNUSED_ARG(compiler);
2445 	SLJIT_UNUSED_ARG(op);
2446 	SLJIT_UNUSED_ARG(src);
2447 	SLJIT_UNUSED_ARG(srcw);
2448 	SLJIT_UNREACHABLE();
2449 	return SLJIT_ERR_UNSUPPORTED;
2450 }
2451 
sljit_get_register_index(sljit_s32 reg)2452 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
2453 {
2454 	SLJIT_UNREACHABLE();
2455 	return reg;
2456 }
2457 
sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)2458 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
2459 	void *instruction, sljit_s32 size)
2460 {
2461 	SLJIT_UNUSED_ARG(compiler);
2462 	SLJIT_UNUSED_ARG(instruction);
2463 	SLJIT_UNUSED_ARG(size);
2464 	SLJIT_UNREACHABLE();
2465 	return SLJIT_ERR_UNSUPPORTED;
2466 }
2467 
sljit_set_current_flags(struct sljit_compiler * compiler,sljit_s32 current_flags)2468 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *compiler, sljit_s32 current_flags)
2469 {
2470 	SLJIT_UNUSED_ARG(compiler);
2471 	SLJIT_UNUSED_ARG(current_flags);
2472 }
2473 
sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)2474 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
2475 	sljit_s32 dst, sljit_sw dstw,
2476 	sljit_s32 src, sljit_sw srcw)
2477 {
2478 	SLJIT_UNUSED_ARG(compiler);
2479 	SLJIT_UNUSED_ARG(op);
2480 	SLJIT_UNUSED_ARG(dst);
2481 	SLJIT_UNUSED_ARG(dstw);
2482 	SLJIT_UNUSED_ARG(src);
2483 	SLJIT_UNUSED_ARG(srcw);
2484 	SLJIT_UNREACHABLE();
2485 	return SLJIT_ERR_UNSUPPORTED;
2486 }
2487 
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)2488 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
2489 	sljit_s32 dst, sljit_sw dstw,
2490 	sljit_s32 src1, sljit_sw src1w,
2491 	sljit_s32 src2, sljit_sw src2w)
2492 {
2493 	SLJIT_UNUSED_ARG(compiler);
2494 	SLJIT_UNUSED_ARG(op);
2495 	SLJIT_UNUSED_ARG(dst);
2496 	SLJIT_UNUSED_ARG(dstw);
2497 	SLJIT_UNUSED_ARG(src1);
2498 	SLJIT_UNUSED_ARG(src1w);
2499 	SLJIT_UNUSED_ARG(src2);
2500 	SLJIT_UNUSED_ARG(src2w);
2501 	SLJIT_UNREACHABLE();
2502 	return SLJIT_ERR_UNSUPPORTED;
2503 }
2504 
sljit_emit_label(struct sljit_compiler * compiler)2505 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
2506 {
2507 	SLJIT_UNUSED_ARG(compiler);
2508 	SLJIT_UNREACHABLE();
2509 	return NULL;
2510 }
2511 
sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)2512 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
2513 {
2514 	SLJIT_UNUSED_ARG(compiler);
2515 	SLJIT_UNUSED_ARG(type);
2516 	SLJIT_UNREACHABLE();
2517 	return NULL;
2518 }
2519 
sljit_emit_call(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types)2520 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
2521 	sljit_s32 arg_types)
2522 {
2523 	SLJIT_UNUSED_ARG(compiler);
2524 	SLJIT_UNUSED_ARG(type);
2525 	SLJIT_UNUSED_ARG(arg_types);
2526 	SLJIT_UNREACHABLE();
2527 	return NULL;
2528 }
2529 
sljit_emit_cmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)2530 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
2531 	sljit_s32 src1, sljit_sw src1w,
2532 	sljit_s32 src2, sljit_sw src2w)
2533 {
2534 	SLJIT_UNUSED_ARG(compiler);
2535 	SLJIT_UNUSED_ARG(type);
2536 	SLJIT_UNUSED_ARG(src1);
2537 	SLJIT_UNUSED_ARG(src1w);
2538 	SLJIT_UNUSED_ARG(src2);
2539 	SLJIT_UNUSED_ARG(src2w);
2540 	SLJIT_UNREACHABLE();
2541 	return NULL;
2542 }
2543 
sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)2544 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
2545 	sljit_s32 src1, sljit_sw src1w,
2546 	sljit_s32 src2, sljit_sw src2w)
2547 {
2548 	SLJIT_UNUSED_ARG(compiler);
2549 	SLJIT_UNUSED_ARG(type);
2550 	SLJIT_UNUSED_ARG(src1);
2551 	SLJIT_UNUSED_ARG(src1w);
2552 	SLJIT_UNUSED_ARG(src2);
2553 	SLJIT_UNUSED_ARG(src2w);
2554 	SLJIT_UNREACHABLE();
2555 	return NULL;
2556 }
2557 
sljit_set_label(struct sljit_jump * jump,struct sljit_label * label)2558 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
2559 {
2560 	SLJIT_UNUSED_ARG(jump);
2561 	SLJIT_UNUSED_ARG(label);
2562 	SLJIT_UNREACHABLE();
2563 }
2564 
sljit_set_target(struct sljit_jump * jump,sljit_uw target)2565 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
2566 {
2567 	SLJIT_UNUSED_ARG(jump);
2568 	SLJIT_UNUSED_ARG(target);
2569 	SLJIT_UNREACHABLE();
2570 }
2571 
sljit_set_put_label(struct sljit_put_label * put_label,struct sljit_label * label)2572 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_put_label(struct sljit_put_label *put_label, struct sljit_label *label)
2573 {
2574 	SLJIT_UNUSED_ARG(put_label);
2575 	SLJIT_UNUSED_ARG(label);
2576 	SLJIT_UNREACHABLE();
2577 }
2578 
sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)2579 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
2580 {
2581 	SLJIT_UNUSED_ARG(compiler);
2582 	SLJIT_UNUSED_ARG(type);
2583 	SLJIT_UNUSED_ARG(src);
2584 	SLJIT_UNUSED_ARG(srcw);
2585 	SLJIT_UNREACHABLE();
2586 	return SLJIT_ERR_UNSUPPORTED;
2587 }
2588 
sljit_emit_icall(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types,sljit_s32 src,sljit_sw srcw)2589 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
2590 	sljit_s32 arg_types,
2591 	sljit_s32 src, sljit_sw srcw)
2592 {
2593 	SLJIT_UNUSED_ARG(compiler);
2594 	SLJIT_UNUSED_ARG(type);
2595 	SLJIT_UNUSED_ARG(arg_types);
2596 	SLJIT_UNUSED_ARG(src);
2597 	SLJIT_UNUSED_ARG(srcw);
2598 	SLJIT_UNREACHABLE();
2599 	return SLJIT_ERR_UNSUPPORTED;
2600 }
2601 
sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 type)2602 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
2603 	sljit_s32 dst, sljit_sw dstw,
2604 	sljit_s32 type)
2605 {
2606 	SLJIT_UNUSED_ARG(compiler);
2607 	SLJIT_UNUSED_ARG(op);
2608 	SLJIT_UNUSED_ARG(dst);
2609 	SLJIT_UNUSED_ARG(dstw);
2610 	SLJIT_UNUSED_ARG(type);
2611 	SLJIT_UNREACHABLE();
2612 	return SLJIT_ERR_UNSUPPORTED;
2613 }
2614 
sljit_emit_cmov(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)2615 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
2616 	sljit_s32 dst_reg,
2617 	sljit_s32 src, sljit_sw srcw)
2618 {
2619 	SLJIT_UNUSED_ARG(compiler);
2620 	SLJIT_UNUSED_ARG(type);
2621 	SLJIT_UNUSED_ARG(dst_reg);
2622 	SLJIT_UNUSED_ARG(src);
2623 	SLJIT_UNUSED_ARG(srcw);
2624 	SLJIT_UNREACHABLE();
2625 	return SLJIT_ERR_UNSUPPORTED;
2626 }
2627 
sljit_emit_mem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 reg,sljit_s32 mem,sljit_sw memw)2628 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 reg, sljit_s32 mem, sljit_sw memw)
2629 {
2630 	SLJIT_UNUSED_ARG(compiler);
2631 	SLJIT_UNUSED_ARG(type);
2632 	SLJIT_UNUSED_ARG(reg);
2633 	SLJIT_UNUSED_ARG(mem);
2634 	SLJIT_UNUSED_ARG(memw);
2635 	SLJIT_UNREACHABLE();
2636 	return SLJIT_ERR_UNSUPPORTED;
2637 }
2638 
sljit_emit_fmem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 freg,sljit_s32 mem,sljit_sw memw)2639 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 freg, sljit_s32 mem, sljit_sw memw)
2640 {
2641 	SLJIT_UNUSED_ARG(compiler);
2642 	SLJIT_UNUSED_ARG(type);
2643 	SLJIT_UNUSED_ARG(freg);
2644 	SLJIT_UNUSED_ARG(mem);
2645 	SLJIT_UNUSED_ARG(memw);
2646 	SLJIT_UNREACHABLE();
2647 	return SLJIT_ERR_UNSUPPORTED;
2648 }
2649 
sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)2650 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
2651 {
2652 	SLJIT_UNUSED_ARG(compiler);
2653 	SLJIT_UNUSED_ARG(dst);
2654 	SLJIT_UNUSED_ARG(dstw);
2655 	SLJIT_UNUSED_ARG(offset);
2656 	SLJIT_UNREACHABLE();
2657 	return SLJIT_ERR_UNSUPPORTED;
2658 }
2659 
sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw initval)2660 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw initval)
2661 {
2662 	SLJIT_UNUSED_ARG(compiler);
2663 	SLJIT_UNUSED_ARG(dst);
2664 	SLJIT_UNUSED_ARG(dstw);
2665 	SLJIT_UNUSED_ARG(initval);
2666 	SLJIT_UNREACHABLE();
2667 	return NULL;
2668 }
2669 
sljit_emit_put_label(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)2670 SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
2671 {
2672 	SLJIT_UNUSED_ARG(compiler);
2673 	SLJIT_UNUSED_ARG(dst);
2674 	SLJIT_UNUSED_ARG(dstw);
2675 	return NULL;
2676 }
2677 
sljit_set_jump_addr(sljit_uw addr,sljit_uw new_target,sljit_sw executable_offset)2678 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
2679 {
2680 	SLJIT_UNUSED_ARG(addr);
2681 	SLJIT_UNUSED_ARG(new_target);
2682 	SLJIT_UNUSED_ARG(executable_offset);
2683 	SLJIT_UNREACHABLE();
2684 }
2685 
sljit_set_const(sljit_uw addr,sljit_sw new_constant,sljit_sw executable_offset)2686 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
2687 {
2688 	SLJIT_UNUSED_ARG(addr);
2689 	SLJIT_UNUSED_ARG(new_constant);
2690 	SLJIT_UNUSED_ARG(executable_offset);
2691 	SLJIT_UNREACHABLE();
2692 }
2693 
2694 #endif /* !SLJIT_CONFIG_UNSUPPORTED */
2695