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 #include <windows.h>
32 
33 #endif /* _WIN32 */
34 
35 #if !(defined SLJIT_STD_MACROS_DEFINED && SLJIT_STD_MACROS_DEFINED)
36 
37 /* These libraries are needed for the macros below. */
38 #include <stdlib.h>
39 #include <string.h>
40 
41 #endif /* SLJIT_STD_MACROS_DEFINED */
42 
43 #define CHECK_ERROR() \
44 	do { \
45 		if (SLJIT_UNLIKELY(compiler->error)) \
46 			return compiler->error; \
47 	} while (0)
48 
49 #define CHECK_ERROR_PTR() \
50 	do { \
51 		if (SLJIT_UNLIKELY(compiler->error)) \
52 			return NULL; \
53 	} while (0)
54 
55 #define FAIL_IF(expr) \
56 	do { \
57 		if (SLJIT_UNLIKELY(expr)) \
58 			return compiler->error; \
59 	} while (0)
60 
61 #define PTR_FAIL_IF(expr) \
62 	do { \
63 		if (SLJIT_UNLIKELY(expr)) \
64 			return NULL; \
65 	} while (0)
66 
67 #define FAIL_IF_NULL(ptr) \
68 	do { \
69 		if (SLJIT_UNLIKELY(!(ptr))) { \
70 			compiler->error = SLJIT_ERR_ALLOC_FAILED; \
71 			return SLJIT_ERR_ALLOC_FAILED; \
72 		} \
73 	} while (0)
74 
75 #define PTR_FAIL_IF_NULL(ptr) \
76 	do { \
77 		if (SLJIT_UNLIKELY(!(ptr))) { \
78 			compiler->error = SLJIT_ERR_ALLOC_FAILED; \
79 			return NULL; \
80 		} \
81 	} while (0)
82 
83 #define PTR_FAIL_WITH_EXEC_IF(ptr) \
84 	do { \
85 		if (SLJIT_UNLIKELY(!(ptr))) { \
86 			compiler->error = SLJIT_ERR_EX_ALLOC_FAILED; \
87 			return NULL; \
88 		} \
89 	} while (0)
90 
91 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
92 
93 #define VARIABLE_FLAG_SHIFT (10)
94 #define VARIABLE_FLAG_MASK (0x3f << VARIABLE_FLAG_SHIFT)
95 #define GET_FLAG_TYPE(op) ((op) >> VARIABLE_FLAG_SHIFT)
96 
97 #define GET_OPCODE(op) \
98 	((op) & ~(SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK))
99 
100 #define HAS_FLAGS(op) \
101 	((op) & (SLJIT_SET_Z | VARIABLE_FLAG_MASK))
102 
103 #define GET_ALL_FLAGS(op) \
104 	((op) & (SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK))
105 
106 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
107 #define TYPE_CAST_NEEDED(op) \
108 	((op) >= SLJIT_MOV_U8 && (op) <= SLJIT_MOV_S32)
109 #else
110 #define TYPE_CAST_NEEDED(op) \
111 	((op) >= SLJIT_MOV_U8 && (op) <= SLJIT_MOV_S16)
112 #endif
113 
114 #define BUF_SIZE	4096
115 
116 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
117 #define ABUF_SIZE	2048
118 #else
119 #define ABUF_SIZE	4096
120 #endif
121 
122 /* Parameter parsing. */
123 #define REG_MASK		0x3f
124 #define OFFS_REG(reg)		(((reg) >> 8) & REG_MASK)
125 #define OFFS_REG_MASK		(REG_MASK << 8)
126 #define TO_OFFS_REG(reg)	((reg) << 8)
127 /* When reg cannot be unused. */
128 #define FAST_IS_REG(reg)	((reg) <= REG_MASK)
129 /* When reg can be unused. */
130 #define SLOW_IS_REG(reg)	((reg) > 0 && (reg) <= REG_MASK)
131 
132 /* Mask for argument types. */
133 #define SLJIT_DEF_MASK ((1 << SLJIT_DEF_SHIFT) - 1)
134 
135 /* Jump flags. */
136 #define JUMP_LABEL	0x1
137 #define JUMP_ADDR	0x2
138 /* SLJIT_REWRITABLE_JUMP is 0x1000. */
139 
140 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
141 #	define PATCH_MB		0x4
142 #	define PATCH_MW		0x8
143 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
144 #	define PATCH_MD		0x10
145 #endif
146 #	define TYPE_SHIFT	13
147 #endif
148 
149 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
150 #	define IS_BL		0x4
151 #	define PATCH_B		0x8
152 #endif
153 
154 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
155 #	define CPOOL_SIZE	512
156 #endif
157 
158 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
159 #	define IS_COND		0x04
160 #	define IS_BL		0x08
161 	/* conditional + imm8 */
162 #	define PATCH_TYPE1	0x10
163 	/* conditional + imm20 */
164 #	define PATCH_TYPE2	0x20
165 	/* IT + imm24 */
166 #	define PATCH_TYPE3	0x30
167 	/* imm11 */
168 #	define PATCH_TYPE4	0x40
169 	/* imm24 */
170 #	define PATCH_TYPE5	0x50
171 	/* BL + imm24 */
172 #	define PATCH_BL		0x60
173 	/* 0xf00 cc code for branches */
174 #endif
175 
176 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
177 #	define IS_COND		0x004
178 #	define IS_CBZ		0x008
179 #	define IS_BL		0x010
180 #	define PATCH_B		0x020
181 #	define PATCH_COND	0x040
182 #	define PATCH_ABS48	0x080
183 #	define PATCH_ABS64	0x100
184 #endif
185 
186 #if (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
187 #	define IS_COND		0x004
188 #	define IS_CALL		0x008
189 #	define PATCH_B		0x010
190 #	define PATCH_ABS_B	0x020
191 #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
192 #	define PATCH_ABS32	0x040
193 #	define PATCH_ABS48	0x080
194 #endif
195 #	define REMOVE_COND	0x100
196 #endif
197 
198 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
199 #	define IS_MOVABLE	0x004
200 #	define IS_JAL		0x008
201 #	define IS_CALL		0x010
202 #	define IS_BIT26_COND	0x020
203 #	define IS_BIT16_COND	0x040
204 #	define IS_BIT23_COND	0x080
205 
206 #	define IS_COND		(IS_BIT26_COND | IS_BIT16_COND | IS_BIT23_COND)
207 
208 #	define PATCH_B		0x100
209 #	define PATCH_J		0x200
210 
211 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
212 #	define PATCH_ABS32	0x400
213 #	define PATCH_ABS48	0x800
214 #endif
215 
216 	/* instruction types */
217 #	define MOVABLE_INS	0
218 	/* 1 - 31 last destination register */
219 	/* no destination (i.e: store) */
220 #	define UNMOVABLE_INS	32
221 	/* FPU status register */
222 #	define FCSR_FCC		33
223 #endif
224 
225 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
226 #	define IS_MOVABLE	0x04
227 #	define IS_COND		0x08
228 #	define IS_CALL		0x10
229 
230 #	define PATCH_B		0x20
231 #	define PATCH_CALL	0x40
232 
233 	/* instruction types */
234 #	define MOVABLE_INS	0
235 	/* 1 - 31 last destination register */
236 	/* no destination (i.e: store) */
237 #	define UNMOVABLE_INS	32
238 
239 #	define DST_INS_MASK	0xff
240 
241 	/* ICC_SET is the same as SET_FLAGS. */
242 #	define ICC_IS_SET	(1 << 23)
243 #	define FCC_IS_SET	(1 << 24)
244 #endif
245 
246 /* Stack management. */
247 
248 #define GET_SAVED_REGISTERS_SIZE(scratches, saveds, extra) \
249 	(((scratches < SLJIT_NUMBER_OF_SCRATCH_REGISTERS ? 0 : (scratches - SLJIT_NUMBER_OF_SCRATCH_REGISTERS)) + \
250 		(saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? saveds : SLJIT_NUMBER_OF_SAVED_REGISTERS) + \
251 		extra) * sizeof(sljit_sw))
252 
253 #define ADJUST_LOCAL_OFFSET(p, i) \
254 	if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
255 		(i) += SLJIT_LOCALS_OFFSET;
256 
257 #endif /* !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) */
258 
259 /* Utils can still be used even if SLJIT_CONFIG_UNSUPPORTED is set. */
260 #include "sljitUtils.c"
261 
262 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
263 
264 #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
265 
266 #if (defined SLJIT_PROT_EXECUTABLE_ALLOCATOR && SLJIT_PROT_EXECUTABLE_ALLOCATOR)
267 #include "sljitProtExecAllocator.c"
268 #elif (defined SLJIT_WX_EXECUTABLE_ALLOCATOR && SLJIT_WX_EXECUTABLE_ALLOCATOR)
269 #include "sljitWXExecAllocator.c"
270 #else
271 #include "sljitExecAllocator.c"
272 #endif
273 
274 #endif
275 
276 #if (defined SLJIT_PROT_EXECUTABLE_ALLOCATOR && SLJIT_PROT_EXECUTABLE_ALLOCATOR)
277 #define SLJIT_ADD_EXEC_OFFSET(ptr, exec_offset) ((sljit_u8 *)(ptr) + (exec_offset))
278 #else
279 #define SLJIT_ADD_EXEC_OFFSET(ptr, exec_offset) ((sljit_u8 *)(ptr))
280 #endif
281 
282 #ifndef SLJIT_UPDATE_WX_FLAGS
283 #define SLJIT_UPDATE_WX_FLAGS(from, to, enable_exec)
284 #endif
285 
286 /* Argument checking features. */
287 
288 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
289 
290 /* Returns with error when an invalid argument is passed. */
291 
292 #define CHECK_ARGUMENT(x) \
293 	do { \
294 		if (SLJIT_UNLIKELY(!(x))) \
295 			return 1; \
296 	} while (0)
297 
298 #define CHECK_RETURN_TYPE sljit_s32
299 #define CHECK_RETURN_OK return 0
300 
301 #define CHECK(x) \
302 	do { \
303 		if (SLJIT_UNLIKELY(x)) { \
304 			compiler->error = SLJIT_ERR_BAD_ARGUMENT; \
305 			return SLJIT_ERR_BAD_ARGUMENT; \
306 		} \
307 	} while (0)
308 
309 #define CHECK_PTR(x) \
310 	do { \
311 		if (SLJIT_UNLIKELY(x)) { \
312 			compiler->error = SLJIT_ERR_BAD_ARGUMENT; \
313 			return NULL; \
314 		} \
315 	} while (0)
316 
317 #define CHECK_REG_INDEX(x) \
318 	do { \
319 		if (SLJIT_UNLIKELY(x)) { \
320 			return -2; \
321 		} \
322 	} while (0)
323 
324 #elif (defined SLJIT_DEBUG && SLJIT_DEBUG)
325 
326 /* Assertion failure occures if an invalid argument is passed. */
327 #undef SLJIT_ARGUMENT_CHECKS
328 #define SLJIT_ARGUMENT_CHECKS 1
329 
330 #define CHECK_ARGUMENT(x) SLJIT_ASSERT(x)
331 #define CHECK_RETURN_TYPE void
332 #define CHECK_RETURN_OK return
333 #define CHECK(x) x
334 #define CHECK_PTR(x) x
335 #define CHECK_REG_INDEX(x) x
336 
337 #elif (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
338 
339 /* Arguments are not checked. */
340 #define CHECK_RETURN_TYPE void
341 #define CHECK_RETURN_OK return
342 #define CHECK(x) x
343 #define CHECK_PTR(x) x
344 #define CHECK_REG_INDEX(x) x
345 
346 #else
347 
348 /* Arguments are not checked. */
349 #define CHECK(x)
350 #define CHECK_PTR(x)
351 #define CHECK_REG_INDEX(x)
352 
353 #endif /* SLJIT_ARGUMENT_CHECKS */
354 
355 /* --------------------------------------------------------------------- */
356 /*  Public functions                                                     */
357 /* --------------------------------------------------------------------- */
358 
359 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
360 #define SLJIT_NEEDS_COMPILER_INIT 1
361 static sljit_s32 compiler_initialized = 0;
362 /* A thread safe initialization. */
363 static void init_compiler(void);
364 #endif
365 
sljit_create_compiler(void * allocator_data,void * exec_allocator_data)366 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data, void *exec_allocator_data)
367 {
368 	struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC(sizeof(struct sljit_compiler), allocator_data);
369 	if (!compiler)
370 		return NULL;
371 	SLJIT_ZEROMEM(compiler, sizeof(struct sljit_compiler));
372 
373 	SLJIT_COMPILE_ASSERT(
374 		sizeof(sljit_s8) == 1 && sizeof(sljit_u8) == 1
375 		&& sizeof(sljit_s16) == 2 && sizeof(sljit_u16) == 2
376 		&& sizeof(sljit_s32) == 4 && sizeof(sljit_u32) == 4
377 		&& (sizeof(sljit_p) == 4 || sizeof(sljit_p) == 8)
378 		&& sizeof(sljit_p) <= sizeof(sljit_sw)
379 		&& (sizeof(sljit_sw) == 4 || sizeof(sljit_sw) == 8)
380 		&& (sizeof(sljit_uw) == 4 || sizeof(sljit_uw) == 8),
381 		invalid_integer_types);
382 	SLJIT_COMPILE_ASSERT(SLJIT_I32_OP == SLJIT_F32_OP,
383 		int_op_and_single_op_must_be_the_same);
384 	SLJIT_COMPILE_ASSERT(SLJIT_REWRITABLE_JUMP != SLJIT_F32_OP,
385 		rewritable_jump_and_single_op_must_not_be_the_same);
386 	SLJIT_COMPILE_ASSERT(!(SLJIT_EQUAL & 0x1) && !(SLJIT_LESS & 0x1) && !(SLJIT_EQUAL_F64 & 0x1) && !(SLJIT_JUMP & 0x1),
387 		conditional_flags_must_be_even_numbers);
388 
389 	/* Only the non-zero members must be set. */
390 	compiler->error = SLJIT_SUCCESS;
391 
392 	compiler->allocator_data = allocator_data;
393 	compiler->exec_allocator_data = exec_allocator_data;
394 	compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, allocator_data);
395 	compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, allocator_data);
396 
397 	if (!compiler->buf || !compiler->abuf) {
398 		if (compiler->buf)
399 			SLJIT_FREE(compiler->buf, allocator_data);
400 		if (compiler->abuf)
401 			SLJIT_FREE(compiler->abuf, allocator_data);
402 		SLJIT_FREE(compiler, allocator_data);
403 		return NULL;
404 	}
405 
406 	compiler->buf->next = NULL;
407 	compiler->buf->used_size = 0;
408 	compiler->abuf->next = NULL;
409 	compiler->abuf->used_size = 0;
410 
411 	compiler->scratches = -1;
412 	compiler->saveds = -1;
413 	compiler->fscratches = -1;
414 	compiler->fsaveds = -1;
415 	compiler->local_size = -1;
416 
417 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
418 	compiler->args = -1;
419 #endif
420 
421 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
422 	compiler->cpool = (sljit_uw*)SLJIT_MALLOC(CPOOL_SIZE * sizeof(sljit_uw)
423 		+ CPOOL_SIZE * sizeof(sljit_u8), allocator_data);
424 	if (!compiler->cpool) {
425 		SLJIT_FREE(compiler->buf, allocator_data);
426 		SLJIT_FREE(compiler->abuf, allocator_data);
427 		SLJIT_FREE(compiler, allocator_data);
428 		return NULL;
429 	}
430 	compiler->cpool_unique = (sljit_u8*)(compiler->cpool + CPOOL_SIZE);
431 	compiler->cpool_diff = 0xffffffff;
432 #endif
433 
434 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
435 	compiler->delay_slot = UNMOVABLE_INS;
436 #endif
437 
438 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
439 	compiler->delay_slot = UNMOVABLE_INS;
440 #endif
441 
442 #if (defined SLJIT_NEEDS_COMPILER_INIT && SLJIT_NEEDS_COMPILER_INIT)
443 	if (!compiler_initialized) {
444 		init_compiler();
445 		compiler_initialized = 1;
446 	}
447 #endif
448 
449 	return compiler;
450 }
451 
sljit_free_compiler(struct sljit_compiler * compiler)452 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
453 {
454 	struct sljit_memory_fragment *buf;
455 	struct sljit_memory_fragment *curr;
456 	void *allocator_data = compiler->allocator_data;
457 	SLJIT_UNUSED_ARG(allocator_data);
458 
459 	buf = compiler->buf;
460 	while (buf) {
461 		curr = buf;
462 		buf = buf->next;
463 		SLJIT_FREE(curr, allocator_data);
464 	}
465 
466 	buf = compiler->abuf;
467 	while (buf) {
468 		curr = buf;
469 		buf = buf->next;
470 		SLJIT_FREE(curr, allocator_data);
471 	}
472 
473 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
474 	SLJIT_FREE(compiler->cpool, allocator_data);
475 #endif
476 	SLJIT_FREE(compiler, allocator_data);
477 }
478 
sljit_set_compiler_memory_error(struct sljit_compiler * compiler)479 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_compiler_memory_error(struct sljit_compiler *compiler)
480 {
481 	if (compiler->error == SLJIT_SUCCESS)
482 		compiler->error = SLJIT_ERR_ALLOC_FAILED;
483 }
484 
485 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
sljit_free_code(void * code,void * exec_allocator_data)486 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data)
487 {
488 	SLJIT_UNUSED_ARG(exec_allocator_data);
489 
490 	/* Remove thumb mode flag. */
491 	SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1), exec_allocator_data);
492 }
493 #elif (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
sljit_free_code(void * code,void * exec_allocator_data)494 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data)
495 {
496 	SLJIT_UNUSED_ARG(exec_allocator_data);
497 
498 	/* Resolve indirection. */
499 	code = (void*)(*(sljit_uw*)code);
500 	SLJIT_FREE_EXEC(code, exec_allocator_data);
501 }
502 #else
sljit_free_code(void * code,void * exec_allocator_data)503 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data)
504 {
505 	SLJIT_UNUSED_ARG(exec_allocator_data);
506 
507 	SLJIT_FREE_EXEC(code, exec_allocator_data);
508 }
509 #endif
510 
sljit_set_label(struct sljit_jump * jump,struct sljit_label * label)511 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
512 {
513 	if (SLJIT_LIKELY(!!jump) && SLJIT_LIKELY(!!label)) {
514 		jump->flags &= ~JUMP_ADDR;
515 		jump->flags |= JUMP_LABEL;
516 		jump->u.label = label;
517 	}
518 }
519 
sljit_set_target(struct sljit_jump * jump,sljit_uw target)520 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
521 {
522 	if (SLJIT_LIKELY(!!jump)) {
523 		jump->flags &= ~JUMP_LABEL;
524 		jump->flags |= JUMP_ADDR;
525 		jump->u.target = target;
526 	}
527 }
528 
sljit_set_put_label(struct sljit_put_label * put_label,struct sljit_label * label)529 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_put_label(struct sljit_put_label *put_label, struct sljit_label *label)
530 {
531 	if (SLJIT_LIKELY(!!put_label))
532 		put_label->label = label;
533 }
534 
535 #define SLJIT_CURRENT_FLAGS_ALL \
536 	(SLJIT_CURRENT_FLAGS_I32_OP | SLJIT_CURRENT_FLAGS_ADD_SUB | SLJIT_CURRENT_FLAGS_COMPARE)
537 
sljit_set_current_flags(struct sljit_compiler * compiler,sljit_s32 current_flags)538 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *compiler, sljit_s32 current_flags)
539 {
540 	SLJIT_UNUSED_ARG(compiler);
541 	SLJIT_UNUSED_ARG(current_flags);
542 
543 #if (defined SLJIT_HAS_STATUS_FLAGS_STATE && SLJIT_HAS_STATUS_FLAGS_STATE)
544 	compiler->status_flags_state = current_flags;
545 #endif
546 
547 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
548 	compiler->last_flags = 0;
549 	if ((current_flags & ~(VARIABLE_FLAG_MASK | SLJIT_SET_Z | SLJIT_CURRENT_FLAGS_ALL)) == 0) {
550 		compiler->last_flags = GET_FLAG_TYPE(current_flags) | (current_flags & (SLJIT_I32_OP | SLJIT_SET_Z));
551 	}
552 #endif
553 }
554 
555 /* --------------------------------------------------------------------- */
556 /*  Private functions                                                    */
557 /* --------------------------------------------------------------------- */
558 
ensure_buf(struct sljit_compiler * compiler,sljit_uw size)559 static void* ensure_buf(struct sljit_compiler *compiler, sljit_uw size)
560 {
561 	sljit_u8 *ret;
562 	struct sljit_memory_fragment *new_frag;
563 
564 	SLJIT_ASSERT(size <= 256);
565 	if (compiler->buf->used_size + size <= (BUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
566 		ret = compiler->buf->memory + compiler->buf->used_size;
567 		compiler->buf->used_size += size;
568 		return ret;
569 	}
570 	new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, compiler->allocator_data);
571 	PTR_FAIL_IF_NULL(new_frag);
572 	new_frag->next = compiler->buf;
573 	compiler->buf = new_frag;
574 	new_frag->used_size = size;
575 	return new_frag->memory;
576 }
577 
ensure_abuf(struct sljit_compiler * compiler,sljit_uw size)578 static void* ensure_abuf(struct sljit_compiler *compiler, sljit_uw size)
579 {
580 	sljit_u8 *ret;
581 	struct sljit_memory_fragment *new_frag;
582 
583 	SLJIT_ASSERT(size <= 256);
584 	if (compiler->abuf->used_size + size <= (ABUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
585 		ret = compiler->abuf->memory + compiler->abuf->used_size;
586 		compiler->abuf->used_size += size;
587 		return ret;
588 	}
589 	new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, compiler->allocator_data);
590 	PTR_FAIL_IF_NULL(new_frag);
591 	new_frag->next = compiler->abuf;
592 	compiler->abuf = new_frag;
593 	new_frag->used_size = size;
594 	return new_frag->memory;
595 }
596 
sljit_alloc_memory(struct sljit_compiler * compiler,sljit_s32 size)597 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_s32 size)
598 {
599 	CHECK_ERROR_PTR();
600 
601 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
602 	if (size <= 0 || size > 128)
603 		return NULL;
604 	size = (size + 7) & ~7;
605 #else
606 	if (size <= 0 || size > 64)
607 		return NULL;
608 	size = (size + 3) & ~3;
609 #endif
610 	return ensure_abuf(compiler, size);
611 }
612 
reverse_buf(struct sljit_compiler * compiler)613 static SLJIT_INLINE void reverse_buf(struct sljit_compiler *compiler)
614 {
615 	struct sljit_memory_fragment *buf = compiler->buf;
616 	struct sljit_memory_fragment *prev = NULL;
617 	struct sljit_memory_fragment *tmp;
618 
619 	do {
620 		tmp = buf->next;
621 		buf->next = prev;
622 		prev = buf;
623 		buf = tmp;
624 	} while (buf != NULL);
625 
626 	compiler->buf = prev;
627 }
628 
get_arg_count(sljit_s32 arg_types)629 static SLJIT_INLINE sljit_s32 get_arg_count(sljit_s32 arg_types)
630 {
631 	sljit_s32 arg_count = 0;
632 
633 	arg_types >>= SLJIT_DEF_SHIFT;
634 	while (arg_types) {
635 		arg_count++;
636 		arg_types >>= SLJIT_DEF_SHIFT;
637 	}
638 
639 	return arg_count;
640 }
641 
642 
643 /* Only used in RISC architectures where the instruction size is constant */
644 #if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) \
645 	&& !(defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
646 
compute_next_addr(struct sljit_label * label,struct sljit_jump * jump,struct sljit_const * const_,struct sljit_put_label * put_label)647 static SLJIT_INLINE sljit_uw compute_next_addr(struct sljit_label *label, struct sljit_jump *jump,
648 	struct sljit_const *const_, struct sljit_put_label *put_label)
649 {
650 	sljit_uw result = ~(sljit_uw)0;
651 
652 	if (label)
653 		result = label->size;
654 
655 	if (jump && jump->addr < result)
656 		result = jump->addr;
657 
658 	if (const_ && const_->addr < result)
659 		result = const_->addr;
660 
661 	if (put_label && put_label->addr < result)
662 		result = put_label->addr;
663 
664 	return result;
665 }
666 
667 #endif /* !SLJIT_CONFIG_X86 && !SLJIT_CONFIG_S390X */
668 
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)669 static SLJIT_INLINE void set_emit_enter(struct sljit_compiler *compiler,
670 	sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
671 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
672 {
673 	SLJIT_UNUSED_ARG(args);
674 	SLJIT_UNUSED_ARG(local_size);
675 
676 	compiler->options = options;
677 	compiler->scratches = scratches;
678 	compiler->saveds = saveds;
679 	compiler->fscratches = fscratches;
680 	compiler->fsaveds = fsaveds;
681 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
682 	compiler->logical_local_size = local_size;
683 #endif
684 }
685 
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)686 static SLJIT_INLINE void set_set_context(struct sljit_compiler *compiler,
687 	sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
688 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
689 {
690 	SLJIT_UNUSED_ARG(args);
691 	SLJIT_UNUSED_ARG(local_size);
692 
693 	compiler->options = options;
694 	compiler->scratches = scratches;
695 	compiler->saveds = saveds;
696 	compiler->fscratches = fscratches;
697 	compiler->fsaveds = fsaveds;
698 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
699 	compiler->logical_local_size = local_size;
700 #endif
701 }
702 
set_label(struct sljit_label * label,struct sljit_compiler * compiler)703 static SLJIT_INLINE void set_label(struct sljit_label *label, struct sljit_compiler *compiler)
704 {
705 	label->next = NULL;
706 	label->size = compiler->size;
707 	if (compiler->last_label)
708 		compiler->last_label->next = label;
709 	else
710 		compiler->labels = label;
711 	compiler->last_label = label;
712 }
713 
set_jump(struct sljit_jump * jump,struct sljit_compiler * compiler,sljit_s32 flags)714 static SLJIT_INLINE void set_jump(struct sljit_jump *jump, struct sljit_compiler *compiler, sljit_s32 flags)
715 {
716 	jump->next = NULL;
717 	jump->flags = flags;
718 	if (compiler->last_jump)
719 		compiler->last_jump->next = jump;
720 	else
721 		compiler->jumps = jump;
722 	compiler->last_jump = jump;
723 }
724 
set_const(struct sljit_const * const_,struct sljit_compiler * compiler)725 static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_compiler *compiler)
726 {
727 	const_->next = NULL;
728 	const_->addr = compiler->size;
729 	if (compiler->last_const)
730 		compiler->last_const->next = const_;
731 	else
732 		compiler->consts = const_;
733 	compiler->last_const = const_;
734 }
735 
set_put_label(struct sljit_put_label * put_label,struct sljit_compiler * compiler,sljit_uw offset)736 static SLJIT_INLINE void set_put_label(struct sljit_put_label *put_label, struct sljit_compiler *compiler, sljit_uw offset)
737 {
738 	put_label->next = NULL;
739 	put_label->label = NULL;
740 	put_label->addr = compiler->size - offset;
741 	put_label->flags = 0;
742 	if (compiler->last_put_label)
743 		compiler->last_put_label->next = put_label;
744 	else
745 		compiler->put_labels = put_label;
746 	compiler->last_put_label = put_label;
747 }
748 
749 #define ADDRESSING_DEPENDS_ON(exp, reg) \
750 	(((exp) & SLJIT_MEM) && (((exp) & REG_MASK) == reg || OFFS_REG(exp) == reg))
751 
752 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
753 
754 #define FUNCTION_CHECK_IS_REG(r) \
755 	(((r) >= SLJIT_R0 && (r) < (SLJIT_R0 + compiler->scratches)) \
756 	|| ((r) > (SLJIT_S0 - compiler->saveds) && (r) <= SLJIT_S0))
757 
758 #define FUNCTION_CHECK_IS_FREG(fr) \
759 	(((fr) >= SLJIT_FR0 && (fr) < (SLJIT_FR0 + compiler->fscratches)) \
760 	|| ((fr) > (SLJIT_FS0 - compiler->fsaveds) && (fr) <= SLJIT_FS0))
761 
762 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
763 #define CHECK_IF_VIRTUAL_REGISTER(p) ((p) <= SLJIT_S3 && (p) >= SLJIT_S8)
764 #else
765 #define CHECK_IF_VIRTUAL_REGISTER(p) 0
766 #endif
767 
function_check_src_mem(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)768 static sljit_s32 function_check_src_mem(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
769 {
770 	if (compiler->scratches == -1 || compiler->saveds == -1)
771 		return 0;
772 
773 	if (!(p & SLJIT_MEM))
774 		return 0;
775 
776 	if (!((p & REG_MASK) == SLJIT_UNUSED || FUNCTION_CHECK_IS_REG(p & REG_MASK)))
777 		return 0;
778 
779 	if (CHECK_IF_VIRTUAL_REGISTER(p & REG_MASK))
780 		return 0;
781 
782 	if (p & OFFS_REG_MASK) {
783 		if ((p & REG_MASK) == SLJIT_UNUSED)
784 			return 0;
785 
786 		if (!(FUNCTION_CHECK_IS_REG(OFFS_REG(p))))
787 			return 0;
788 
789 		if (CHECK_IF_VIRTUAL_REGISTER(OFFS_REG(p)))
790 			return 0;
791 
792 		if ((i & ~0x3) != 0)
793 			return 0;
794 	}
795 
796 	return (p & ~(SLJIT_MEM | REG_MASK | OFFS_REG_MASK)) == 0;
797 }
798 
799 #define FUNCTION_CHECK_SRC_MEM(p, i) \
800 	CHECK_ARGUMENT(function_check_src_mem(compiler, p, i));
801 
function_check_src(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)802 static sljit_s32 function_check_src(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
803 {
804 	if (compiler->scratches == -1 || compiler->saveds == -1)
805 		return 0;
806 
807 	if (FUNCTION_CHECK_IS_REG(p))
808 		return (i == 0);
809 
810 	if (p == SLJIT_IMM)
811 		return 1;
812 
813 	if (p == SLJIT_MEM1(SLJIT_SP))
814 		return (i >= 0 && i < compiler->logical_local_size);
815 
816 	return function_check_src_mem(compiler, p, i);
817 }
818 
819 #define FUNCTION_CHECK_SRC(p, i) \
820 	CHECK_ARGUMENT(function_check_src(compiler, p, i));
821 
function_check_dst(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i,sljit_s32 unused)822 static sljit_s32 function_check_dst(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i, sljit_s32 unused)
823 {
824 	if (compiler->scratches == -1 || compiler->saveds == -1)
825 		return 0;
826 
827 	if (FUNCTION_CHECK_IS_REG(p) || ((unused) && (p) == SLJIT_UNUSED))
828 		return (i == 0);
829 
830 	if (p == SLJIT_MEM1(SLJIT_SP))
831 		return (i >= 0 && i < compiler->logical_local_size);
832 
833 	return function_check_src_mem(compiler, p, i);
834 }
835 
836 #define FUNCTION_CHECK_DST(p, i, unused) \
837 	CHECK_ARGUMENT(function_check_dst(compiler, p, i, unused));
838 
function_fcheck(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)839 static sljit_s32 function_fcheck(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
840 {
841 	if (compiler->scratches == -1 || compiler->saveds == -1)
842 		return 0;
843 
844 	if (FUNCTION_CHECK_IS_FREG(p))
845 		return (i == 0);
846 
847 	if (p == SLJIT_MEM1(SLJIT_SP))
848 		return (i >= 0 && i < compiler->logical_local_size);
849 
850 	return function_check_src_mem(compiler, p, i);
851 }
852 
853 #define FUNCTION_FCHECK(p, i) \
854 	CHECK_ARGUMENT(function_fcheck(compiler, p, i));
855 
856 #endif /* SLJIT_ARGUMENT_CHECKS */
857 
858 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
859 
sljit_compiler_verbose(struct sljit_compiler * compiler,FILE * verbose)860 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
861 {
862 	compiler->verbose = verbose;
863 }
864 
865 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
866 #ifdef _WIN64
867 #	define SLJIT_PRINT_D	"I64"
868 #else
869 #	define SLJIT_PRINT_D	"l"
870 #endif
871 #else
872 #	define SLJIT_PRINT_D	""
873 #endif
874 
sljit_verbose_reg(struct sljit_compiler * compiler,sljit_s32 r)875 static void sljit_verbose_reg(struct sljit_compiler *compiler, sljit_s32 r)
876 {
877 	if (r < (SLJIT_R0 + compiler->scratches))
878 		fprintf(compiler->verbose, "r%d", r - SLJIT_R0);
879 	else if (r != SLJIT_SP)
880 		fprintf(compiler->verbose, "s%d", SLJIT_NUMBER_OF_REGISTERS - r);
881 	else
882 		fprintf(compiler->verbose, "sp");
883 }
884 
sljit_verbose_freg(struct sljit_compiler * compiler,sljit_s32 r)885 static void sljit_verbose_freg(struct sljit_compiler *compiler, sljit_s32 r)
886 {
887 	if (r < (SLJIT_FR0 + compiler->fscratches))
888 		fprintf(compiler->verbose, "fr%d", r - SLJIT_FR0);
889 	else
890 		fprintf(compiler->verbose, "fs%d", SLJIT_NUMBER_OF_FLOAT_REGISTERS - r);
891 }
892 
sljit_verbose_param(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)893 static void sljit_verbose_param(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
894 {
895 	if ((p) & SLJIT_IMM)
896 		fprintf(compiler->verbose, "#%" SLJIT_PRINT_D "d", (i));
897 	else if ((p) & SLJIT_MEM) {
898 		if ((p) & REG_MASK) {
899 			fputc('[', compiler->verbose);
900 			sljit_verbose_reg(compiler, (p) & REG_MASK);
901 			if ((p) & OFFS_REG_MASK) {
902 				fprintf(compiler->verbose, " + ");
903 				sljit_verbose_reg(compiler, OFFS_REG(p));
904 				if (i)
905 					fprintf(compiler->verbose, " * %d", 1 << (i));
906 			}
907 			else if (i)
908 				fprintf(compiler->verbose, " + %" SLJIT_PRINT_D "d", (i));
909 			fputc(']', compiler->verbose);
910 		}
911 		else
912 			fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i));
913 	} else if (p)
914 		sljit_verbose_reg(compiler, p);
915 	else
916 		fprintf(compiler->verbose, "unused");
917 }
918 
sljit_verbose_fparam(struct sljit_compiler * compiler,sljit_s32 p,sljit_sw i)919 static void sljit_verbose_fparam(struct sljit_compiler *compiler, sljit_s32 p, sljit_sw i)
920 {
921 	if ((p) & SLJIT_MEM) {
922 		if ((p) & REG_MASK) {
923 			fputc('[', compiler->verbose);
924 			sljit_verbose_reg(compiler, (p) & REG_MASK);
925 			if ((p) & OFFS_REG_MASK) {
926 				fprintf(compiler->verbose, " + ");
927 				sljit_verbose_reg(compiler, OFFS_REG(p));
928 				if (i)
929 					fprintf(compiler->verbose, "%d", 1 << (i));
930 			}
931 			else if (i)
932 				fprintf(compiler->verbose, " + %" SLJIT_PRINT_D "d", (i));
933 			fputc(']', compiler->verbose);
934 		}
935 		else
936 			fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i));
937 	}
938 	else
939 		sljit_verbose_freg(compiler, p);
940 }
941 
942 static const char* op0_names[] = {
943 	(char*)"breakpoint", (char*)"nop", (char*)"lmul.uw", (char*)"lmul.sw",
944 	(char*)"divmod.u", (char*)"divmod.s", (char*)"div.u", (char*)"div.s",
945 	(char*)"endbr", (char*)"skip_frames_before_return"
946 };
947 
948 static const char* op1_names[] = {
949 	(char*)"", (char*)".u8", (char*)".s8", (char*)".u16",
950 	(char*)".s16", (char*)".u32", (char*)".s32", (char*)".p",
951 	(char*)"", (char*)".u8", (char*)".s8", (char*)".u16",
952 	(char*)".s16", (char*)".u32", (char*)".s32", (char*)".p",
953 	(char*)"not", (char*)"neg", (char*)"clz",
954 };
955 
956 static const char* op2_names[] = {
957 	(char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
958 	(char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
959 	(char*)"shl", (char*)"lshr", (char*)"ashr",
960 };
961 
962 static const char* op_src_names[] = {
963 	(char*)"fast_return", (char*)"skip_frames_before_fast_return",
964 	(char*)"prefetch_l1", (char*)"prefetch_l2",
965 	(char*)"prefetch_l3", (char*)"prefetch_once",
966 };
967 
968 static const char* fop1_names[] = {
969 	(char*)"mov", (char*)"conv", (char*)"conv", (char*)"conv",
970 	(char*)"conv", (char*)"conv", (char*)"cmp", (char*)"neg",
971 	(char*)"abs",
972 };
973 
974 static const char* fop2_names[] = {
975 	(char*)"add", (char*)"sub", (char*)"mul", (char*)"div"
976 };
977 
978 #define JUMP_POSTFIX(type) \
979 	((type & 0xff) <= SLJIT_NOT_OVERFLOW ? ((type & SLJIT_I32_OP) ? "32" : "") \
980 	: ((type & 0xff) <= SLJIT_ORDERED_F64 ? ((type & SLJIT_F32_OP) ? ".f32" : ".f64") : ""))
981 
982 static char* jump_names[] = {
983 	(char*)"equal", (char*)"not_equal",
984 	(char*)"less", (char*)"greater_equal",
985 	(char*)"greater", (char*)"less_equal",
986 	(char*)"sig_less", (char*)"sig_greater_equal",
987 	(char*)"sig_greater", (char*)"sig_less_equal",
988 	(char*)"overflow", (char*)"not_overflow",
989 	(char*)"carry", (char*)"",
990 	(char*)"equal", (char*)"not_equal",
991 	(char*)"less", (char*)"greater_equal",
992 	(char*)"greater", (char*)"less_equal",
993 	(char*)"unordered", (char*)"ordered",
994 	(char*)"jump", (char*)"fast_call",
995 	(char*)"call", (char*)"call.cdecl"
996 };
997 
998 static char* call_arg_names[] = {
999 	(char*)"void", (char*)"sw", (char*)"uw", (char*)"s32", (char*)"u32", (char*)"f32", (char*)"f64"
1000 };
1001 
1002 #endif /* SLJIT_VERBOSE */
1003 
1004 /* --------------------------------------------------------------------- */
1005 /*  Arch dependent                                                       */
1006 /* --------------------------------------------------------------------- */
1007 
1008 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) \
1009 	|| (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1010 
check_sljit_generate_code(struct sljit_compiler * compiler)1011 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_generate_code(struct sljit_compiler *compiler)
1012 {
1013 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1014 	struct sljit_jump *jump;
1015 #endif
1016 
1017 	SLJIT_UNUSED_ARG(compiler);
1018 
1019 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1020 	CHECK_ARGUMENT(compiler->size > 0);
1021 	jump = compiler->jumps;
1022 	while (jump) {
1023 		/* All jumps have target. */
1024 		CHECK_ARGUMENT(jump->flags & (JUMP_LABEL | JUMP_ADDR));
1025 		jump = jump->next;
1026 	}
1027 #endif
1028 	CHECK_RETURN_OK;
1029 }
1030 
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)1031 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_enter(struct sljit_compiler *compiler,
1032 	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
1033 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
1034 {
1035 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1036 	sljit_s32 types, arg_count, curr_type;
1037 #endif
1038 
1039 	SLJIT_UNUSED_ARG(compiler);
1040 
1041 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1042 	CHECK_ARGUMENT(!(options & ~SLJIT_F64_ALIGNMENT));
1043 	CHECK_ARGUMENT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
1044 	CHECK_ARGUMENT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
1045 	CHECK_ARGUMENT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
1046 	CHECK_ARGUMENT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1047 	CHECK_ARGUMENT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1048 	CHECK_ARGUMENT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1049 	CHECK_ARGUMENT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
1050 	CHECK_ARGUMENT((arg_types & SLJIT_DEF_MASK) == 0);
1051 
1052 	types = (arg_types >> SLJIT_DEF_SHIFT);
1053 	arg_count = 0;
1054 	while (types != 0 && arg_count < 3) {
1055 		curr_type = (types & SLJIT_DEF_MASK);
1056 		CHECK_ARGUMENT(curr_type == SLJIT_ARG_TYPE_SW || curr_type == SLJIT_ARG_TYPE_UW);
1057 		arg_count++;
1058 		types >>= SLJIT_DEF_SHIFT;
1059 	}
1060 	CHECK_ARGUMENT(arg_count <= saveds && types == 0);
1061 
1062 	compiler->last_flags = 0;
1063 #endif
1064 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1065 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1066 		fprintf(compiler->verbose, "  enter options:%s args[", (options & SLJIT_F64_ALIGNMENT) ? "f64_align" : "");
1067 
1068 		arg_types >>= SLJIT_DEF_SHIFT;
1069 		while (arg_types) {
1070 			fprintf(compiler->verbose, "%s", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1071 			arg_types >>= SLJIT_DEF_SHIFT;
1072 			if (arg_types)
1073 				fprintf(compiler->verbose, ",");
1074 		}
1075 
1076 		fprintf(compiler->verbose, "] scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
1077 			scratches, saveds, fscratches, fsaveds, local_size);
1078 	}
1079 #endif
1080 	CHECK_RETURN_OK;
1081 }
1082 
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)1083 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_set_context(struct sljit_compiler *compiler,
1084 	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
1085 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
1086 {
1087 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1088 	sljit_s32 types, arg_count, curr_type;
1089 #endif
1090 
1091 	SLJIT_UNUSED_ARG(compiler);
1092 
1093 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1094 	CHECK_ARGUMENT(!(options & ~SLJIT_F64_ALIGNMENT));
1095 	CHECK_ARGUMENT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
1096 	CHECK_ARGUMENT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
1097 	CHECK_ARGUMENT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
1098 	CHECK_ARGUMENT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1099 	CHECK_ARGUMENT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1100 	CHECK_ARGUMENT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1101 	CHECK_ARGUMENT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
1102 
1103 	types = (arg_types >> SLJIT_DEF_SHIFT);
1104 	arg_count = 0;
1105 	while (types != 0 && arg_count < 3) {
1106 		curr_type = (types & SLJIT_DEF_MASK);
1107 		CHECK_ARGUMENT(curr_type == SLJIT_ARG_TYPE_SW || curr_type == SLJIT_ARG_TYPE_UW);
1108 		arg_count++;
1109 		types >>= SLJIT_DEF_SHIFT;
1110 	}
1111 	CHECK_ARGUMENT(arg_count <= saveds && types == 0);
1112 
1113 	compiler->last_flags = 0;
1114 #endif
1115 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1116 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1117 		fprintf(compiler->verbose, "  set_context options:%s args[", (options & SLJIT_F64_ALIGNMENT) ? "f64_align" : "");
1118 
1119 		arg_types >>= SLJIT_DEF_SHIFT;
1120 		while (arg_types) {
1121 			fprintf(compiler->verbose, "%s", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1122 			arg_types >>= SLJIT_DEF_SHIFT;
1123 			if (arg_types)
1124 				fprintf(compiler->verbose, ",");
1125 		}
1126 
1127 		fprintf(compiler->verbose, "] scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
1128 			scratches, saveds, fscratches, fsaveds, local_size);
1129 	}
1130 #endif
1131 	CHECK_RETURN_OK;
1132 }
1133 
check_sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)1134 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
1135 {
1136 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1137 	CHECK_ARGUMENT(compiler->scratches >= 0);
1138 	if (op != SLJIT_UNUSED) {
1139 		CHECK_ARGUMENT(op >= SLJIT_MOV && op <= SLJIT_MOV_P);
1140 		FUNCTION_CHECK_SRC(src, srcw);
1141 	}
1142 	else
1143 		CHECK_ARGUMENT(src == 0 && srcw == 0);
1144 	compiler->last_flags = 0;
1145 #endif
1146 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1147 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1148 		if (op == SLJIT_UNUSED)
1149 			fprintf(compiler->verbose, "  return\n");
1150 		else {
1151 			fprintf(compiler->verbose, "  return%s ", op1_names[op - SLJIT_OP1_BASE]);
1152 			sljit_verbose_param(compiler, src, srcw);
1153 			fprintf(compiler->verbose, "\n");
1154 		}
1155 	}
1156 #endif
1157 	CHECK_RETURN_OK;
1158 }
1159 
check_sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1160 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1161 {
1162 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1163 	FUNCTION_CHECK_DST(dst, dstw, 0);
1164 	compiler->last_flags = 0;
1165 #endif
1166 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1167 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1168 		fprintf(compiler->verbose, "  fast_enter ");
1169 		sljit_verbose_param(compiler, dst, dstw);
1170 		fprintf(compiler->verbose, "\n");
1171 	}
1172 #endif
1173 	CHECK_RETURN_OK;
1174 }
1175 
check_sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)1176 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
1177 {
1178 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1179 	CHECK_ARGUMENT((op >= SLJIT_BREAKPOINT && op <= SLJIT_LMUL_SW)
1180 		|| ((op & ~SLJIT_I32_OP) >= SLJIT_DIVMOD_UW && (op & ~SLJIT_I32_OP) <= SLJIT_DIV_SW)
1181 		|| (op >= SLJIT_ENDBR && op <= SLJIT_SKIP_FRAMES_BEFORE_RETURN));
1182 	CHECK_ARGUMENT(GET_OPCODE(op) < SLJIT_LMUL_UW || GET_OPCODE(op) >= SLJIT_ENDBR || compiler->scratches >= 2);
1183 	if ((GET_OPCODE(op) >= SLJIT_LMUL_UW && GET_OPCODE(op) <= SLJIT_DIV_SW) || op == SLJIT_SKIP_FRAMES_BEFORE_RETURN)
1184 		compiler->last_flags = 0;
1185 #endif
1186 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1187 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1188 	{
1189 		fprintf(compiler->verbose, "  %s", op0_names[GET_OPCODE(op) - SLJIT_OP0_BASE]);
1190 		if (GET_OPCODE(op) >= SLJIT_DIVMOD_UW && GET_OPCODE(op) <= SLJIT_DIV_SW) {
1191 			fprintf(compiler->verbose, (op & SLJIT_I32_OP) ? "32" : "w");
1192 		}
1193 		fprintf(compiler->verbose, "\n");
1194 	}
1195 #endif
1196 	CHECK_RETURN_OK;
1197 }
1198 
check_sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1199 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
1200 	sljit_s32 dst, sljit_sw dstw,
1201 	sljit_s32 src, sljit_sw srcw)
1202 {
1203 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1204 		compiler->skip_checks = 0;
1205 		CHECK_RETURN_OK;
1206 	}
1207 
1208 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1209 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_CLZ);
1210 
1211 	switch (GET_OPCODE(op)) {
1212 	case SLJIT_NOT:
1213 		/* Only SLJIT_I32_OP and SLJIT_SET_Z are allowed. */
1214 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK));
1215 		break;
1216 	case SLJIT_NEG:
1217 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1218 			|| GET_FLAG_TYPE(op) == SLJIT_OVERFLOW);
1219 		break;
1220 	case SLJIT_MOV:
1221 	case SLJIT_MOV_U32:
1222 	case SLJIT_MOV_P:
1223 		/* Nothing allowed */
1224 		CHECK_ARGUMENT(!(op & (SLJIT_I32_OP | SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1225 		break;
1226 	default:
1227 		/* Only SLJIT_I32_OP is allowed. */
1228 		CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1229 		break;
1230 	}
1231 
1232 	FUNCTION_CHECK_DST(dst, dstw, HAS_FLAGS(op));
1233 	FUNCTION_CHECK_SRC(src, srcw);
1234 
1235 	if (GET_OPCODE(op) >= SLJIT_NOT) {
1236 		CHECK_ARGUMENT(src != SLJIT_IMM);
1237 		compiler->last_flags = GET_FLAG_TYPE(op) | (op & (SLJIT_I32_OP | SLJIT_SET_Z));
1238 	}
1239 #endif
1240 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1241 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1242 		if (GET_OPCODE(op) <= SLJIT_MOV_P)
1243 		{
1244 			fprintf(compiler->verbose, "  mov%s%s ", !(op & SLJIT_I32_OP) ? "" : "32",
1245 				(op != SLJIT_MOV32) ? op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE] : "");
1246 		}
1247 		else
1248 		{
1249 			fprintf(compiler->verbose, "  %s%s%s%s%s ", op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE], !(op & SLJIT_I32_OP) ? "" : "32",
1250 				!(op & SLJIT_SET_Z) ? "" : ".z", !(op & VARIABLE_FLAG_MASK) ? "" : ".",
1251 				!(op & VARIABLE_FLAG_MASK) ? "" : jump_names[GET_FLAG_TYPE(op)]);
1252 		}
1253 
1254 		sljit_verbose_param(compiler, dst, dstw);
1255 		fprintf(compiler->verbose, ", ");
1256 		sljit_verbose_param(compiler, src, srcw);
1257 		fprintf(compiler->verbose, "\n");
1258 	}
1259 #endif
1260 	CHECK_RETURN_OK;
1261 }
1262 
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)1263 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
1264 	sljit_s32 dst, sljit_sw dstw,
1265 	sljit_s32 src1, sljit_sw src1w,
1266 	sljit_s32 src2, sljit_sw src2w)
1267 {
1268 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1269 		compiler->skip_checks = 0;
1270 		CHECK_RETURN_OK;
1271 	}
1272 
1273 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1274 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_ADD && GET_OPCODE(op) <= SLJIT_ASHR);
1275 
1276 	switch (GET_OPCODE(op)) {
1277 	case SLJIT_AND:
1278 	case SLJIT_OR:
1279 	case SLJIT_XOR:
1280 	case SLJIT_SHL:
1281 	case SLJIT_LSHR:
1282 	case SLJIT_ASHR:
1283 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK));
1284 		break;
1285 	case SLJIT_MUL:
1286 		CHECK_ARGUMENT(!(op & SLJIT_SET_Z));
1287 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1288 			|| GET_FLAG_TYPE(op) == SLJIT_OVERFLOW);
1289 		break;
1290 	case SLJIT_ADD:
1291 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1292 			|| GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)
1293 			|| GET_FLAG_TYPE(op) == SLJIT_OVERFLOW);
1294 		break;
1295 	case SLJIT_SUB:
1296 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1297 			|| (GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_OVERFLOW)
1298 			|| GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY));
1299 		break;
1300 	case SLJIT_ADDC:
1301 	case SLJIT_SUBC:
1302 		CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK)
1303 			|| GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY));
1304 		CHECK_ARGUMENT((compiler->last_flags & 0xff) == GET_FLAG_TYPE(SLJIT_SET_CARRY));
1305 		CHECK_ARGUMENT((op & SLJIT_I32_OP) == (compiler->last_flags & SLJIT_I32_OP));
1306 		break;
1307 	default:
1308 		SLJIT_UNREACHABLE();
1309 		break;
1310 	}
1311 
1312 	FUNCTION_CHECK_DST(dst, dstw, HAS_FLAGS(op));
1313 	FUNCTION_CHECK_SRC(src1, src1w);
1314 	FUNCTION_CHECK_SRC(src2, src2w);
1315 	compiler->last_flags = GET_FLAG_TYPE(op) | (op & (SLJIT_I32_OP | SLJIT_SET_Z));
1316 #endif
1317 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1318 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1319 		fprintf(compiler->verbose, "  %s%s%s%s%s ", op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE], !(op & SLJIT_I32_OP) ? "" : "32",
1320 			!(op & SLJIT_SET_Z) ? "" : ".z", !(op & VARIABLE_FLAG_MASK) ? "" : ".",
1321 			!(op & VARIABLE_FLAG_MASK) ? "" : jump_names[GET_FLAG_TYPE(op)]);
1322 		sljit_verbose_param(compiler, dst, dstw);
1323 		fprintf(compiler->verbose, ", ");
1324 		sljit_verbose_param(compiler, src1, src1w);
1325 		fprintf(compiler->verbose, ", ");
1326 		sljit_verbose_param(compiler, src2, src2w);
1327 		fprintf(compiler->verbose, "\n");
1328 	}
1329 #endif
1330 	CHECK_RETURN_OK;
1331 }
1332 
check_sljit_emit_op_src(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)1333 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op,
1334 	sljit_s32 src, sljit_sw srcw)
1335 {
1336 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1337 	CHECK_ARGUMENT(op >= SLJIT_FAST_RETURN && op <= SLJIT_PREFETCH_ONCE);
1338 	FUNCTION_CHECK_SRC(src, srcw);
1339 
1340 	if (op == SLJIT_FAST_RETURN || op == SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN)
1341 	{
1342 		CHECK_ARGUMENT(src != SLJIT_IMM);
1343 		compiler->last_flags = 0;
1344 	}
1345 	else if (op >= SLJIT_PREFETCH_L1 && op <= SLJIT_PREFETCH_ONCE)
1346 	{
1347 		CHECK_ARGUMENT(src & SLJIT_MEM);
1348 	}
1349 #endif
1350 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1351 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1352 		fprintf(compiler->verbose, "  %s ", op_src_names[op - SLJIT_OP_SRC_BASE]);
1353 		sljit_verbose_param(compiler, src, srcw);
1354 		fprintf(compiler->verbose, "\n");
1355 	}
1356 #endif
1357 	CHECK_RETURN_OK;
1358 }
1359 
check_sljit_get_register_index(sljit_s32 reg)1360 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_register_index(sljit_s32 reg)
1361 {
1362 	SLJIT_UNUSED_ARG(reg);
1363 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1364 	CHECK_ARGUMENT(reg > 0 && reg <= SLJIT_NUMBER_OF_REGISTERS);
1365 #endif
1366 	CHECK_RETURN_OK;
1367 }
1368 
check_sljit_get_float_register_index(sljit_s32 reg)1369 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_float_register_index(sljit_s32 reg)
1370 {
1371 	SLJIT_UNUSED_ARG(reg);
1372 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1373 	CHECK_ARGUMENT(reg > 0 && reg <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1374 #endif
1375 	CHECK_RETURN_OK;
1376 }
1377 
check_sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)1378 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_custom(struct sljit_compiler *compiler,
1379 	void *instruction, sljit_s32 size)
1380 {
1381 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1382 	int i;
1383 #endif
1384 
1385 	SLJIT_UNUSED_ARG(compiler);
1386 
1387 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1388 	CHECK_ARGUMENT(instruction);
1389 
1390 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1391 	CHECK_ARGUMENT(size > 0 && size < 16);
1392 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
1393 	CHECK_ARGUMENT((size == 2 && (((sljit_sw)instruction) & 0x1) == 0)
1394 		|| (size == 4 && (((sljit_sw)instruction) & 0x3) == 0));
1395 #elif (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
1396 	CHECK_ARGUMENT(size == 2 || size == 4 || size == 6);
1397 #else
1398 	CHECK_ARGUMENT(size == 4 && (((sljit_sw)instruction) & 0x3) == 0);
1399 #endif
1400 
1401 	compiler->last_flags = 0;
1402 #endif
1403 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1404 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1405 		fprintf(compiler->verbose, "  op_custom");
1406 		for (i = 0; i < size; i++)
1407 			fprintf(compiler->verbose, " 0x%x", ((sljit_u8*)instruction)[i]);
1408 		fprintf(compiler->verbose, "\n");
1409 	}
1410 #endif
1411 	CHECK_RETURN_OK;
1412 }
1413 
check_sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1414 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1415 	sljit_s32 dst, sljit_sw dstw,
1416 	sljit_s32 src, sljit_sw srcw)
1417 {
1418 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1419 		compiler->skip_checks = 0;
1420 		CHECK_RETURN_OK;
1421 	}
1422 
1423 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1424 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1425 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_MOV_F64 && GET_OPCODE(op) <= SLJIT_ABS_F64);
1426 	CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1427 	FUNCTION_FCHECK(src, srcw);
1428 	FUNCTION_FCHECK(dst, dstw);
1429 #endif
1430 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1431 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1432 		if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1433 			fprintf(compiler->verbose, "  %s%s ", fop1_names[SLJIT_CONV_F64_FROM_F32 - SLJIT_FOP1_BASE],
1434 				(op & SLJIT_F32_OP) ? ".f32.from.f64" : ".f64.from.f32");
1435 		else
1436 			fprintf(compiler->verbose, "  %s%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1437 				(op & SLJIT_F32_OP) ? ".f32" : ".f64");
1438 
1439 		sljit_verbose_fparam(compiler, dst, dstw);
1440 		fprintf(compiler->verbose, ", ");
1441 		sljit_verbose_fparam(compiler, src, srcw);
1442 		fprintf(compiler->verbose, "\n");
1443 	}
1444 #endif
1445 	CHECK_RETURN_OK;
1446 }
1447 
check_sljit_emit_fop1_cmp(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1448 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1449 	sljit_s32 src1, sljit_sw src1w,
1450 	sljit_s32 src2, sljit_sw src2w)
1451 {
1452 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1453 	compiler->last_flags = GET_FLAG_TYPE(op) | (op & (SLJIT_I32_OP | SLJIT_SET_Z));
1454 #endif
1455 
1456 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1457 		compiler->skip_checks = 0;
1458 		CHECK_RETURN_OK;
1459 	}
1460 
1461 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1462 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1463 	CHECK_ARGUMENT(GET_OPCODE(op) == SLJIT_CMP_F64);
1464 	CHECK_ARGUMENT(!(op & SLJIT_SET_Z));
1465 	CHECK_ARGUMENT((op & VARIABLE_FLAG_MASK)
1466 		|| (GET_FLAG_TYPE(op) >= SLJIT_EQUAL_F64 && GET_FLAG_TYPE(op) <= SLJIT_ORDERED_F64));
1467 	FUNCTION_FCHECK(src1, src1w);
1468 	FUNCTION_FCHECK(src2, src2w);
1469 #endif
1470 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1471 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1472 		fprintf(compiler->verbose, "  %s%s", fop1_names[SLJIT_CMP_F64 - SLJIT_FOP1_BASE], (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1473 		if (op & VARIABLE_FLAG_MASK) {
1474 			fprintf(compiler->verbose, ".%s_f", jump_names[GET_FLAG_TYPE(op)]);
1475 		}
1476 		fprintf(compiler->verbose, " ");
1477 		sljit_verbose_fparam(compiler, src1, src1w);
1478 		fprintf(compiler->verbose, ", ");
1479 		sljit_verbose_fparam(compiler, src2, src2w);
1480 		fprintf(compiler->verbose, "\n");
1481 	}
1482 #endif
1483 	CHECK_RETURN_OK;
1484 }
1485 
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)1486 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
1487 	sljit_s32 dst, sljit_sw dstw,
1488 	sljit_s32 src, sljit_sw srcw)
1489 {
1490 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1491 		compiler->skip_checks = 0;
1492 		CHECK_RETURN_OK;
1493 	}
1494 
1495 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1496 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1497 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_CONV_SW_FROM_F64 && GET_OPCODE(op) <= SLJIT_CONV_S32_FROM_F64);
1498 	CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1499 	FUNCTION_FCHECK(src, srcw);
1500 	FUNCTION_CHECK_DST(dst, dstw, 0);
1501 #endif
1502 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1503 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1504 		fprintf(compiler->verbose, "  %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1505 			(GET_OPCODE(op) == SLJIT_CONV_S32_FROM_F64) ? ".s32" : ".sw",
1506 			(op & SLJIT_F32_OP) ? ".f32" : ".f64");
1507 		sljit_verbose_param(compiler, dst, dstw);
1508 		fprintf(compiler->verbose, ", ");
1509 		sljit_verbose_fparam(compiler, src, srcw);
1510 		fprintf(compiler->verbose, "\n");
1511 	}
1512 #endif
1513 	CHECK_RETURN_OK;
1514 }
1515 
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)1516 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1517 	sljit_s32 dst, sljit_sw dstw,
1518 	sljit_s32 src, sljit_sw srcw)
1519 {
1520 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1521 		compiler->skip_checks = 0;
1522 		CHECK_RETURN_OK;
1523 	}
1524 
1525 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1526 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1527 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_CONV_F64_FROM_SW && GET_OPCODE(op) <= SLJIT_CONV_F64_FROM_S32);
1528 	CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1529 	FUNCTION_CHECK_SRC(src, srcw);
1530 	FUNCTION_FCHECK(dst, dstw);
1531 #endif
1532 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1533 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1534 		fprintf(compiler->verbose, "  %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1535 			(op & SLJIT_F32_OP) ? ".f32" : ".f64",
1536 			(GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) ? ".s32" : ".sw");
1537 		sljit_verbose_fparam(compiler, dst, dstw);
1538 		fprintf(compiler->verbose, ", ");
1539 		sljit_verbose_param(compiler, src, srcw);
1540 		fprintf(compiler->verbose, "\n");
1541 	}
1542 #endif
1543 	CHECK_RETURN_OK;
1544 }
1545 
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)1546 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1547 	sljit_s32 dst, sljit_sw dstw,
1548 	sljit_s32 src1, sljit_sw src1w,
1549 	sljit_s32 src2, sljit_sw src2w)
1550 {
1551 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1552 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1553 	CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_ADD_F64 && GET_OPCODE(op) <= SLJIT_DIV_F64);
1554 	CHECK_ARGUMENT(!(op & (SLJIT_SET_Z | VARIABLE_FLAG_MASK)));
1555 	FUNCTION_FCHECK(src1, src1w);
1556 	FUNCTION_FCHECK(src2, src2w);
1557 	FUNCTION_FCHECK(dst, dstw);
1558 #endif
1559 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1560 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1561 		fprintf(compiler->verbose, "  %s%s ", fop2_names[GET_OPCODE(op) - SLJIT_FOP2_BASE], (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1562 		sljit_verbose_fparam(compiler, dst, dstw);
1563 		fprintf(compiler->verbose, ", ");
1564 		sljit_verbose_fparam(compiler, src1, src1w);
1565 		fprintf(compiler->verbose, ", ");
1566 		sljit_verbose_fparam(compiler, src2, src2w);
1567 		fprintf(compiler->verbose, "\n");
1568 	}
1569 #endif
1570 	CHECK_RETURN_OK;
1571 }
1572 
check_sljit_emit_label(struct sljit_compiler * compiler)1573 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_label(struct sljit_compiler *compiler)
1574 {
1575 	SLJIT_UNUSED_ARG(compiler);
1576 
1577 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1578 		compiler->skip_checks = 0;
1579 		CHECK_RETURN_OK;
1580 	}
1581 
1582 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1583 	compiler->last_flags = 0;
1584 #endif
1585 
1586 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1587 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1588 		fprintf(compiler->verbose, "label:\n");
1589 #endif
1590 	CHECK_RETURN_OK;
1591 }
1592 
check_sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)1593 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1594 {
1595 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1596 		compiler->skip_checks = 0;
1597 		CHECK_RETURN_OK;
1598 	}
1599 
1600 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1601 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
1602 	CHECK_ARGUMENT((type & 0xff) != GET_FLAG_TYPE(SLJIT_SET_CARRY) && (type & 0xff) != (GET_FLAG_TYPE(SLJIT_SET_CARRY) + 1));
1603 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_FAST_CALL);
1604 	CHECK_ARGUMENT((type & 0xff) < SLJIT_JUMP || !(type & SLJIT_I32_OP));
1605 
1606 	if ((type & 0xff) < SLJIT_JUMP) {
1607 		if ((type & 0xff) <= SLJIT_NOT_ZERO)
1608 			CHECK_ARGUMENT(compiler->last_flags & SLJIT_SET_Z);
1609 		else
1610 			CHECK_ARGUMENT((type & 0xff) == (compiler->last_flags & 0xff)
1611 				|| ((type & 0xff) == SLJIT_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_OVERFLOW));
1612 	}
1613 #endif
1614 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1615 	if (SLJIT_UNLIKELY(!!compiler->verbose))
1616 		fprintf(compiler->verbose, "  jump%s %s%s\n", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1617 			jump_names[type & 0xff], JUMP_POSTFIX(type));
1618 #endif
1619 	CHECK_RETURN_OK;
1620 }
1621 
check_sljit_emit_call(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types)1622 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
1623 	sljit_s32 arg_types)
1624 {
1625 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1626 	sljit_s32 i, types, curr_type, scratches, fscratches;
1627 
1628 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP)));
1629 	CHECK_ARGUMENT((type & 0xff) == SLJIT_CALL || (type & 0xff) == SLJIT_CALL_CDECL);
1630 
1631 	types = arg_types;
1632 	scratches = 0;
1633 	fscratches = 0;
1634 	for (i = 0; i < 5; i++) {
1635 		curr_type = (types & SLJIT_DEF_MASK);
1636 		CHECK_ARGUMENT(curr_type <= SLJIT_ARG_TYPE_F64);
1637 		if (i > 0) {
1638 			if (curr_type == 0) {
1639 				break;
1640 			}
1641 			if (curr_type >= SLJIT_ARG_TYPE_F32)
1642 				fscratches++;
1643 			else
1644 				scratches++;
1645 		} else {
1646 			if (curr_type >= SLJIT_ARG_TYPE_F32) {
1647 				CHECK_ARGUMENT(compiler->fscratches > 0);
1648 			} else if (curr_type >= SLJIT_ARG_TYPE_SW) {
1649 				CHECK_ARGUMENT(compiler->scratches > 0);
1650 			}
1651 		}
1652 		types >>= SLJIT_DEF_SHIFT;
1653 	}
1654 	CHECK_ARGUMENT(compiler->scratches >= scratches);
1655 	CHECK_ARGUMENT(compiler->fscratches >= fscratches);
1656 	CHECK_ARGUMENT(types == 0);
1657 #endif
1658 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1659 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1660 		fprintf(compiler->verbose, "  %s%s ret[%s", jump_names[type & 0xff],
1661 			!(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1662 
1663 		arg_types >>= SLJIT_DEF_SHIFT;
1664 		if (arg_types) {
1665 			fprintf(compiler->verbose, "], args[");
1666 			do {
1667 				fprintf(compiler->verbose, "%s", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1668 				arg_types >>= SLJIT_DEF_SHIFT;
1669 				if (arg_types)
1670 					fprintf(compiler->verbose, ",");
1671 			} while (arg_types);
1672 		}
1673 		fprintf(compiler->verbose, "]\n");
1674 	}
1675 #endif
1676 	CHECK_RETURN_OK;
1677 }
1678 
check_sljit_emit_cmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1679 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
1680 	sljit_s32 src1, sljit_sw src1w,
1681 	sljit_s32 src2, sljit_sw src2w)
1682 {
1683 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1684 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
1685 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_SIG_LESS_EQUAL);
1686 	FUNCTION_CHECK_SRC(src1, src1w);
1687 	FUNCTION_CHECK_SRC(src2, src2w);
1688 	compiler->last_flags = 0;
1689 #endif
1690 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1691 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1692 		fprintf(compiler->verbose, "  cmp%s %s%s, ", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1693 			jump_names[type & 0xff], (type & SLJIT_I32_OP) ? "32" : "");
1694 		sljit_verbose_param(compiler, src1, src1w);
1695 		fprintf(compiler->verbose, ", ");
1696 		sljit_verbose_param(compiler, src2, src2w);
1697 		fprintf(compiler->verbose, "\n");
1698 	}
1699 #endif
1700 	CHECK_RETURN_OK;
1701 }
1702 
check_sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1703 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
1704 	sljit_s32 src1, sljit_sw src1w,
1705 	sljit_s32 src2, sljit_sw src2w)
1706 {
1707 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1708 	CHECK_ARGUMENT(sljit_has_cpu_feature(SLJIT_HAS_FPU));
1709 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_F32_OP)));
1710 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL_F64 && (type & 0xff) <= SLJIT_ORDERED_F64);
1711 	FUNCTION_FCHECK(src1, src1w);
1712 	FUNCTION_FCHECK(src2, src2w);
1713 	compiler->last_flags = 0;
1714 #endif
1715 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1716 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1717 		fprintf(compiler->verbose, "  fcmp%s %s%s, ", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1718 			jump_names[type & 0xff], (type & SLJIT_F32_OP) ? ".f32" : ".f64");
1719 		sljit_verbose_fparam(compiler, src1, src1w);
1720 		fprintf(compiler->verbose, ", ");
1721 		sljit_verbose_fparam(compiler, src2, src2w);
1722 		fprintf(compiler->verbose, "\n");
1723 	}
1724 #endif
1725 	CHECK_RETURN_OK;
1726 }
1727 
check_sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)1728 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type,
1729 	sljit_s32 src, sljit_sw srcw)
1730 {
1731 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1732 		compiler->skip_checks = 0;
1733 		CHECK_RETURN_OK;
1734 	}
1735 
1736 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1737 	CHECK_ARGUMENT(type >= SLJIT_JUMP && type <= SLJIT_FAST_CALL);
1738 	FUNCTION_CHECK_SRC(src, srcw);
1739 #endif
1740 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1741 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1742 		fprintf(compiler->verbose, "  ijump.%s ", jump_names[type]);
1743 		sljit_verbose_param(compiler, src, srcw);
1744 		fprintf(compiler->verbose, "\n");
1745 	}
1746 #endif
1747 	CHECK_RETURN_OK;
1748 }
1749 
check_sljit_emit_icall(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types,sljit_s32 src,sljit_sw srcw)1750 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
1751 	sljit_s32 arg_types,
1752 	sljit_s32 src, sljit_sw srcw)
1753 {
1754 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1755 	sljit_s32 i, types, curr_type, scratches, fscratches;
1756 
1757 	CHECK_ARGUMENT(type == SLJIT_CALL || type == SLJIT_CALL_CDECL);
1758 	FUNCTION_CHECK_SRC(src, srcw);
1759 
1760 	types = arg_types;
1761 	scratches = 0;
1762 	fscratches = 0;
1763 	for (i = 0; i < 5; i++) {
1764 		curr_type = (types & SLJIT_DEF_MASK);
1765 		CHECK_ARGUMENT(curr_type <= SLJIT_ARG_TYPE_F64);
1766 		if (i > 0) {
1767 			if (curr_type == 0) {
1768 				break;
1769 			}
1770 			if (curr_type >= SLJIT_ARG_TYPE_F32)
1771 				fscratches++;
1772 			else
1773 				scratches++;
1774 		} else {
1775 			if (curr_type >= SLJIT_ARG_TYPE_F32) {
1776 				CHECK_ARGUMENT(compiler->fscratches > 0);
1777 			} else if (curr_type >= SLJIT_ARG_TYPE_SW) {
1778 				CHECK_ARGUMENT(compiler->scratches > 0);
1779 			}
1780 		}
1781 		types >>= SLJIT_DEF_SHIFT;
1782 	}
1783 	CHECK_ARGUMENT(compiler->scratches >= scratches);
1784 	CHECK_ARGUMENT(compiler->fscratches >= fscratches);
1785 	CHECK_ARGUMENT(types == 0);
1786 #endif
1787 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1788 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1789 		fprintf(compiler->verbose, "  i%s%s ret[%s", jump_names[type & 0xff],
1790 			!(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1791 
1792 		arg_types >>= SLJIT_DEF_SHIFT;
1793 		if (arg_types) {
1794 			fprintf(compiler->verbose, "], args[");
1795 			do {
1796 				fprintf(compiler->verbose, "%s", call_arg_names[arg_types & SLJIT_DEF_MASK]);
1797 				arg_types >>= SLJIT_DEF_SHIFT;
1798 				if (arg_types)
1799 					fprintf(compiler->verbose, ",");
1800 			} while (arg_types);
1801 		}
1802 		fprintf(compiler->verbose, "], ");
1803 		sljit_verbose_param(compiler, src, srcw);
1804 		fprintf(compiler->verbose, "\n");
1805 	}
1806 #endif
1807 	CHECK_RETURN_OK;
1808 }
1809 
check_sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 type)1810 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1811 	sljit_s32 dst, sljit_sw dstw,
1812 	sljit_s32 type)
1813 {
1814 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1815 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_I32_OP)));
1816 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_ORDERED_F64);
1817 	CHECK_ARGUMENT((type & 0xff) != GET_FLAG_TYPE(SLJIT_SET_CARRY) && (type & 0xff) != (GET_FLAG_TYPE(SLJIT_SET_CARRY) + 1));
1818 	CHECK_ARGUMENT(op == SLJIT_MOV || op == SLJIT_MOV32
1819 		|| (GET_OPCODE(op) >= SLJIT_AND && GET_OPCODE(op) <= SLJIT_XOR));
1820 	CHECK_ARGUMENT(!(op & VARIABLE_FLAG_MASK));
1821 
1822 	if ((type & 0xff) <= SLJIT_NOT_ZERO)
1823 		CHECK_ARGUMENT(compiler->last_flags & SLJIT_SET_Z);
1824 	else
1825 		CHECK_ARGUMENT((type & 0xff) == (compiler->last_flags & 0xff)
1826 			|| ((type & 0xff) == SLJIT_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_OVERFLOW));
1827 
1828 	FUNCTION_CHECK_DST(dst, dstw, 0);
1829 
1830 	if (GET_OPCODE(op) >= SLJIT_ADD)
1831 		compiler->last_flags = GET_FLAG_TYPE(op) | (op & (SLJIT_I32_OP | SLJIT_SET_Z));
1832 #endif
1833 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1834 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1835 		fprintf(compiler->verbose, "  flags%s %s%s, ",
1836 			!(op & SLJIT_SET_Z) ? "" : ".z",
1837 			GET_OPCODE(op) < SLJIT_OP2_BASE ? "mov" : op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE],
1838 			GET_OPCODE(op) < SLJIT_OP2_BASE ? op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE] : ((op & SLJIT_I32_OP) ? "32" : ""));
1839 		sljit_verbose_param(compiler, dst, dstw);
1840 		fprintf(compiler->verbose, ", %s%s\n", jump_names[type & 0xff], JUMP_POSTFIX(type));
1841 	}
1842 #endif
1843 	CHECK_RETURN_OK;
1844 }
1845 
check_sljit_emit_cmov(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)1846 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1847 	sljit_s32 dst_reg,
1848 	sljit_s32 src, sljit_sw srcw)
1849 {
1850 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1851 	CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_I32_OP)));
1852 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_ORDERED_F64);
1853 
1854 	CHECK_ARGUMENT(compiler->scratches != -1 && compiler->saveds != -1);
1855 	CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(dst_reg & ~SLJIT_I32_OP));
1856 	if (src != SLJIT_IMM) {
1857 		CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(src));
1858 		CHECK_ARGUMENT(srcw == 0);
1859 	}
1860 
1861 	if ((type & 0xff) <= SLJIT_NOT_ZERO)
1862 		CHECK_ARGUMENT(compiler->last_flags & SLJIT_SET_Z);
1863 	else
1864 		CHECK_ARGUMENT((type & 0xff) == (compiler->last_flags & 0xff)
1865 			|| ((type & 0xff) == SLJIT_NOT_OVERFLOW && (compiler->last_flags & 0xff) == SLJIT_OVERFLOW));
1866 #endif
1867 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1868 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1869 		fprintf(compiler->verbose, "  cmov%s %s%s, ",
1870 			!(dst_reg & SLJIT_I32_OP) ? "" : "32",
1871 			jump_names[type & 0xff], JUMP_POSTFIX(type));
1872 		sljit_verbose_reg(compiler, dst_reg & ~SLJIT_I32_OP);
1873 		fprintf(compiler->verbose, ", ");
1874 		sljit_verbose_param(compiler, src, srcw);
1875 		fprintf(compiler->verbose, "\n");
1876 	}
1877 #endif
1878 	CHECK_RETURN_OK;
1879 }
1880 
check_sljit_emit_mem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 reg,sljit_s32 mem,sljit_sw memw)1881 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type,
1882 	sljit_s32 reg,
1883 	sljit_s32 mem, sljit_sw memw)
1884 {
1885 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1886 	CHECK_ARGUMENT((type & 0xff) >= SLJIT_MOV && (type & 0xff) <= SLJIT_MOV_P);
1887 	CHECK_ARGUMENT(!(type & SLJIT_I32_OP) || ((type & 0xff) != SLJIT_MOV && (type & 0xff) != SLJIT_MOV_U32 && (type & 0xff) != SLJIT_MOV_P));
1888 	CHECK_ARGUMENT((type & SLJIT_MEM_PRE) || (type & SLJIT_MEM_POST));
1889 	CHECK_ARGUMENT((type & (SLJIT_MEM_PRE | SLJIT_MEM_POST)) != (SLJIT_MEM_PRE | SLJIT_MEM_POST));
1890 	CHECK_ARGUMENT((type & ~(0xff | SLJIT_I32_OP | SLJIT_MEM_STORE | SLJIT_MEM_SUPP | SLJIT_MEM_PRE | SLJIT_MEM_POST)) == 0);
1891 
1892 	FUNCTION_CHECK_SRC_MEM(mem, memw);
1893 	CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(reg));
1894 
1895 	CHECK_ARGUMENT((mem & REG_MASK) != SLJIT_UNUSED && (mem & REG_MASK) != reg);
1896 #endif
1897 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1898 	if (!(type & SLJIT_MEM_SUPP) && SLJIT_UNLIKELY(!!compiler->verbose)) {
1899 		if (sljit_emit_mem(compiler, type | SLJIT_MEM_SUPP, reg, mem, memw) == SLJIT_ERR_UNSUPPORTED)
1900 			fprintf(compiler->verbose, "  //");
1901 
1902 		fprintf(compiler->verbose, "  mem%s.%s%s%s ",
1903 			!(type & SLJIT_I32_OP) ? "" : "32",
1904 			(type & SLJIT_MEM_STORE) ? "st" : "ld",
1905 			op1_names[(type & 0xff) - SLJIT_OP1_BASE],
1906 			(type & SLJIT_MEM_PRE) ? ".pre" : ".post");
1907 		sljit_verbose_reg(compiler, reg);
1908 		fprintf(compiler->verbose, ", ");
1909 		sljit_verbose_param(compiler, mem, memw);
1910 		fprintf(compiler->verbose, "\n");
1911 	}
1912 #endif
1913 	CHECK_RETURN_OK;
1914 }
1915 
check_sljit_emit_fmem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 freg,sljit_s32 mem,sljit_sw memw)1916 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type,
1917 	sljit_s32 freg,
1918 	sljit_s32 mem, sljit_sw memw)
1919 {
1920 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1921 	CHECK_ARGUMENT((type & 0xff) == SLJIT_MOV_F64);
1922 	CHECK_ARGUMENT((type & SLJIT_MEM_PRE) || (type & SLJIT_MEM_POST));
1923 	CHECK_ARGUMENT((type & (SLJIT_MEM_PRE | SLJIT_MEM_POST)) != (SLJIT_MEM_PRE | SLJIT_MEM_POST));
1924 	CHECK_ARGUMENT((type & ~(0xff | SLJIT_I32_OP | SLJIT_MEM_STORE | SLJIT_MEM_SUPP | SLJIT_MEM_PRE | SLJIT_MEM_POST)) == 0);
1925 
1926 	FUNCTION_CHECK_SRC_MEM(mem, memw);
1927 	CHECK_ARGUMENT(FUNCTION_CHECK_IS_FREG(freg));
1928 #endif
1929 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1930 	if (!(type & SLJIT_MEM_SUPP) && SLJIT_UNLIKELY(!!compiler->verbose)) {
1931 		if (sljit_emit_fmem(compiler, type | SLJIT_MEM_SUPP, freg, mem, memw) == SLJIT_ERR_UNSUPPORTED)
1932 			fprintf(compiler->verbose, "  //");
1933 
1934 		fprintf(compiler->verbose, "  fmem.%s%s%s ",
1935 			(type & SLJIT_MEM_STORE) ? "st" : "ld",
1936 			!(type & SLJIT_I32_OP) ? ".f64" : ".f32",
1937 			(type & SLJIT_MEM_PRE) ? ".pre" : ".post");
1938 		sljit_verbose_freg(compiler, freg);
1939 		fprintf(compiler->verbose, ", ");
1940 		sljit_verbose_param(compiler, mem, memw);
1941 		fprintf(compiler->verbose, "\n");
1942 	}
1943 #endif
1944 	CHECK_RETURN_OK;
1945 }
1946 
check_sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)1947 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
1948 {
1949 	/* Any offset is allowed. */
1950 	SLJIT_UNUSED_ARG(offset);
1951 
1952 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1953 	FUNCTION_CHECK_DST(dst, dstw, 0);
1954 #endif
1955 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1956 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1957 		fprintf(compiler->verbose, "  local_base ");
1958 		sljit_verbose_param(compiler, dst, dstw);
1959 		fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", offset);
1960 	}
1961 #endif
1962 	CHECK_RETURN_OK;
1963 }
1964 
check_sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw init_value)1965 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1966 {
1967 	SLJIT_UNUSED_ARG(init_value);
1968 
1969 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1970 	FUNCTION_CHECK_DST(dst, dstw, 0);
1971 #endif
1972 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1973 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1974 		fprintf(compiler->verbose, "  const ");
1975 		sljit_verbose_param(compiler, dst, dstw);
1976 		fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", init_value);
1977 	}
1978 #endif
1979 	CHECK_RETURN_OK;
1980 }
1981 
check_sljit_emit_put_label(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1982 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1983 {
1984 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1985 	FUNCTION_CHECK_DST(dst, dstw, 0);
1986 #endif
1987 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1988 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1989 		fprintf(compiler->verbose, "  put_label ");
1990 		sljit_verbose_param(compiler, dst, dstw);
1991 		fprintf(compiler->verbose, "\n");
1992 	}
1993 #endif
1994 	CHECK_RETURN_OK;
1995 }
1996 
1997 #endif /* SLJIT_ARGUMENT_CHECKS || SLJIT_VERBOSE */
1998 
1999 #define SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw) \
2000 	SLJIT_COMPILE_ASSERT(!(SLJIT_CONV_SW_FROM_F64 & 0x1) && !(SLJIT_CONV_F64_FROM_SW & 0x1), \
2001 		invalid_float_opcodes); \
2002 	if (GET_OPCODE(op) >= SLJIT_CONV_SW_FROM_F64 && GET_OPCODE(op) <= SLJIT_CMP_F64) { \
2003 		if (GET_OPCODE(op) == SLJIT_CMP_F64) { \
2004 			CHECK(check_sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw)); \
2005 			ADJUST_LOCAL_OFFSET(dst, dstw); \
2006 			ADJUST_LOCAL_OFFSET(src, srcw); \
2007 			return sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw); \
2008 		} \
2009 		if ((GET_OPCODE(op) | 0x1) == SLJIT_CONV_S32_FROM_F64) { \
2010 			CHECK(check_sljit_emit_fop1_conv_sw_from_f64(compiler, op, dst, dstw, src, srcw)); \
2011 			ADJUST_LOCAL_OFFSET(dst, dstw); \
2012 			ADJUST_LOCAL_OFFSET(src, srcw); \
2013 			return sljit_emit_fop1_conv_sw_from_f64(compiler, op, dst, dstw, src, srcw); \
2014 		} \
2015 		CHECK(check_sljit_emit_fop1_conv_f64_from_sw(compiler, op, dst, dstw, src, srcw)); \
2016 		ADJUST_LOCAL_OFFSET(dst, dstw); \
2017 		ADJUST_LOCAL_OFFSET(src, srcw); \
2018 		return sljit_emit_fop1_conv_f64_from_sw(compiler, op, dst, dstw, src, srcw); \
2019 	} \
2020 	CHECK(check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw)); \
2021 	ADJUST_LOCAL_OFFSET(dst, dstw); \
2022 	ADJUST_LOCAL_OFFSET(src, srcw);
2023 
emit_mov_before_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)2024 static SLJIT_INLINE sljit_s32 emit_mov_before_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
2025 {
2026 	/* Return if don't need to do anything. */
2027 	if (op == SLJIT_UNUSED)
2028 		return SLJIT_SUCCESS;
2029 
2030 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
2031 	/* At the moment the pointer size is always equal to sljit_sw. May be changed in the future. */
2032 	if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_P))
2033 		return SLJIT_SUCCESS;
2034 #else
2035 	if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_U32 || op == SLJIT_MOV_S32 || op == SLJIT_MOV_P))
2036 		return SLJIT_SUCCESS;
2037 #endif
2038 
2039 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) \
2040 		|| (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
2041 	compiler->skip_checks = 1;
2042 #endif
2043 	return sljit_emit_op1(compiler, op, SLJIT_RETURN_REG, 0, src, srcw);
2044 }
2045 
2046 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) \
2047 		|| (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC) \
2048 		|| (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \
2049 		|| ((defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS) && !(defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1 && SLJIT_MIPS_REV < 6))
2050 
sljit_emit_cmov_generic(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)2051 static SLJIT_INLINE sljit_s32 sljit_emit_cmov_generic(struct sljit_compiler *compiler, sljit_s32 type,
2052 	sljit_s32 dst_reg,
2053 	sljit_s32 src, sljit_sw srcw)
2054 {
2055 	struct sljit_label *label;
2056 	struct sljit_jump *jump;
2057 	sljit_s32 op = (dst_reg & SLJIT_I32_OP) ? SLJIT_MOV32 : SLJIT_MOV;
2058 
2059 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2060 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2061 	compiler->skip_checks = 1;
2062 #endif
2063 	jump = sljit_emit_jump(compiler, type ^ 0x1);
2064 	FAIL_IF(!jump);
2065 
2066 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2067 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2068 	compiler->skip_checks = 1;
2069 #endif
2070 	FAIL_IF(sljit_emit_op1(compiler, op, dst_reg & ~SLJIT_I32_OP, 0, src, srcw));
2071 
2072 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2073 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2074 	compiler->skip_checks = 1;
2075 #endif
2076 	label = sljit_emit_label(compiler);
2077 	FAIL_IF(!label);
2078 	sljit_set_label(jump, label);
2079 	return SLJIT_SUCCESS;
2080 }
2081 
2082 #endif
2083 
2084 /* CPU description section */
2085 
2086 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
2087 #define SLJIT_CPUINFO_PART1 " 32bit ("
2088 #elif (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
2089 #define SLJIT_CPUINFO_PART1 " 64bit ("
2090 #else
2091 #error "Internal error: CPU type info missing"
2092 #endif
2093 
2094 #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
2095 #define SLJIT_CPUINFO_PART2 "little endian + "
2096 #elif (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN)
2097 #define SLJIT_CPUINFO_PART2 "big endian + "
2098 #else
2099 #error "Internal error: CPU type info missing"
2100 #endif
2101 
2102 #if (defined SLJIT_UNALIGNED && SLJIT_UNALIGNED)
2103 #define SLJIT_CPUINFO_PART3 "unaligned)"
2104 #else
2105 #define SLJIT_CPUINFO_PART3 "aligned)"
2106 #endif
2107 
2108 #define SLJIT_CPUINFO SLJIT_CPUINFO_PART1 SLJIT_CPUINFO_PART2 SLJIT_CPUINFO_PART3
2109 
2110 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
2111 #	include "sljitNativeX86_common.c"
2112 #elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
2113 #	include "sljitNativeARM_32.c"
2114 #elif (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
2115 #	include "sljitNativeARM_32.c"
2116 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
2117 #	include "sljitNativeARM_T2_32.c"
2118 #elif (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
2119 #	include "sljitNativeARM_64.c"
2120 #elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
2121 #	include "sljitNativePPC_common.c"
2122 #elif (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
2123 #	include "sljitNativeMIPS_common.c"
2124 #elif (defined SLJIT_CONFIG_SPARC && SLJIT_CONFIG_SPARC)
2125 #	include "sljitNativeSPARC_common.c"
2126 #elif (defined SLJIT_CONFIG_S390X && SLJIT_CONFIG_S390X)
2127 #	include "sljitNativeS390X.c"
2128 #endif
2129 
2130 #if !(defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
2131 
sljit_emit_cmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)2132 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
2133 	sljit_s32 src1, sljit_sw src1w,
2134 	sljit_s32 src2, sljit_sw src2w)
2135 {
2136 	/* Default compare for most architectures. */
2137 	sljit_s32 flags, tmp_src, condition;
2138 	sljit_sw tmp_srcw;
2139 
2140 	CHECK_ERROR_PTR();
2141 	CHECK_PTR(check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w));
2142 
2143 	condition = type & 0xff;
2144 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
2145 	if ((condition == SLJIT_EQUAL || condition == SLJIT_NOT_EQUAL)) {
2146 		if ((src1 & SLJIT_IMM) && !src1w) {
2147 			src1 = src2;
2148 			src1w = src2w;
2149 			src2 = SLJIT_IMM;
2150 			src2w = 0;
2151 		}
2152 		if ((src2 & SLJIT_IMM) && !src2w)
2153 			return emit_cmp_to0(compiler, type, src1, src1w);
2154 	}
2155 #endif
2156 
2157 	if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
2158 		/* Immediate is preferred as second argument by most architectures. */
2159 		switch (condition) {
2160 		case SLJIT_LESS:
2161 			condition = SLJIT_GREATER;
2162 			break;
2163 		case SLJIT_GREATER_EQUAL:
2164 			condition = SLJIT_LESS_EQUAL;
2165 			break;
2166 		case SLJIT_GREATER:
2167 			condition = SLJIT_LESS;
2168 			break;
2169 		case SLJIT_LESS_EQUAL:
2170 			condition = SLJIT_GREATER_EQUAL;
2171 			break;
2172 		case SLJIT_SIG_LESS:
2173 			condition = SLJIT_SIG_GREATER;
2174 			break;
2175 		case SLJIT_SIG_GREATER_EQUAL:
2176 			condition = SLJIT_SIG_LESS_EQUAL;
2177 			break;
2178 		case SLJIT_SIG_GREATER:
2179 			condition = SLJIT_SIG_LESS;
2180 			break;
2181 		case SLJIT_SIG_LESS_EQUAL:
2182 			condition = SLJIT_SIG_GREATER_EQUAL;
2183 			break;
2184 		}
2185 
2186 		type = condition | (type & (SLJIT_I32_OP | SLJIT_REWRITABLE_JUMP));
2187 		tmp_src = src1;
2188 		src1 = src2;
2189 		src2 = tmp_src;
2190 		tmp_srcw = src1w;
2191 		src1w = src2w;
2192 		src2w = tmp_srcw;
2193 	}
2194 
2195 	if (condition <= SLJIT_NOT_ZERO)
2196 		flags = SLJIT_SET_Z;
2197 	else
2198 		flags = condition << VARIABLE_FLAG_SHIFT;
2199 
2200 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2201 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2202 	compiler->skip_checks = 1;
2203 #endif
2204 	PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_I32_OP),
2205 		SLJIT_UNUSED, 0, src1, src1w, src2, src2w));
2206 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2207 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2208 	compiler->skip_checks = 1;
2209 #endif
2210 	return sljit_emit_jump(compiler, condition | (type & (SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
2211 }
2212 
2213 #endif
2214 
sljit_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)2215 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
2216 	sljit_s32 src1, sljit_sw src1w,
2217 	sljit_s32 src2, sljit_sw src2w)
2218 {
2219 	CHECK_ERROR_PTR();
2220 	CHECK_PTR(check_sljit_emit_fcmp(compiler, type, src1, src1w, src2, src2w));
2221 
2222 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2223 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2224 	compiler->skip_checks = 1;
2225 #endif
2226 	sljit_emit_fop1(compiler, SLJIT_CMP_F64 | ((type & 0xff) << VARIABLE_FLAG_SHIFT) | (type & SLJIT_I32_OP), src1, src1w, src2, src2w);
2227 
2228 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2229 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2230 	compiler->skip_checks = 1;
2231 #endif
2232 	return sljit_emit_jump(compiler, type);
2233 }
2234 
2235 #if !(defined SLJIT_CONFIG_ARM_32 && SLJIT_CONFIG_ARM_32) \
2236 	&& !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
2237 	&& !(defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
2238 
sljit_emit_mem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 reg,sljit_s32 mem,sljit_sw memw)2239 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type,
2240 	sljit_s32 reg,
2241 	sljit_s32 mem, sljit_sw memw)
2242 {
2243 	SLJIT_UNUSED_ARG(compiler);
2244 	SLJIT_UNUSED_ARG(type);
2245 	SLJIT_UNUSED_ARG(reg);
2246 	SLJIT_UNUSED_ARG(mem);
2247 	SLJIT_UNUSED_ARG(memw);
2248 
2249 	CHECK_ERROR();
2250 	CHECK(check_sljit_emit_mem(compiler, type, reg, mem, memw));
2251 
2252 	return SLJIT_ERR_UNSUPPORTED;
2253 }
2254 
2255 #endif
2256 
2257 #if !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \
2258 	&& !(defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
2259 
sljit_emit_fmem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 freg,sljit_s32 mem,sljit_sw memw)2260 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type,
2261 	sljit_s32 freg,
2262 	sljit_s32 mem, sljit_sw memw)
2263 {
2264 	SLJIT_UNUSED_ARG(compiler);
2265 	SLJIT_UNUSED_ARG(type);
2266 	SLJIT_UNUSED_ARG(freg);
2267 	SLJIT_UNUSED_ARG(mem);
2268 	SLJIT_UNUSED_ARG(memw);
2269 
2270 	CHECK_ERROR();
2271 	CHECK(check_sljit_emit_fmem(compiler, type, freg, mem, memw));
2272 
2273 	return SLJIT_ERR_UNSUPPORTED;
2274 }
2275 
2276 #endif
2277 
2278 #if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) \
2279 	&& !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
2280 
sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)2281 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
2282 {
2283 	CHECK_ERROR();
2284 	CHECK(check_sljit_get_local_base(compiler, dst, dstw, offset));
2285 
2286 	ADJUST_LOCAL_OFFSET(SLJIT_MEM1(SLJIT_SP), offset);
2287 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
2288 		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
2289 	compiler->skip_checks = 1;
2290 #endif
2291 	if (offset != 0)
2292 		return sljit_emit_op2(compiler, SLJIT_ADD, dst, dstw, SLJIT_SP, 0, SLJIT_IMM, offset);
2293 	return sljit_emit_op1(compiler, SLJIT_MOV, dst, dstw, SLJIT_SP, 0);
2294 }
2295 
2296 #endif
2297 
2298 #else /* SLJIT_CONFIG_UNSUPPORTED */
2299 
2300 /* Empty function bodies for those machines, which are not (yet) supported. */
2301 
sljit_get_platform_name(void)2302 SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void)
2303 {
2304 	return "unsupported";
2305 }
2306 
sljit_create_compiler(void * allocator_data,void * exec_allocator_data)2307 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data, void *exec_allocator_data)
2308 {
2309 	SLJIT_UNUSED_ARG(allocator_data);
2310 	SLJIT_UNUSED_ARG(exec_allocator_data);
2311 	SLJIT_UNREACHABLE();
2312 	return NULL;
2313 }
2314 
sljit_free_compiler(struct sljit_compiler * compiler)2315 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
2316 {
2317 	SLJIT_UNUSED_ARG(compiler);
2318 	SLJIT_UNREACHABLE();
2319 }
2320 
sljit_set_compiler_memory_error(struct sljit_compiler * compiler)2321 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_compiler_memory_error(struct sljit_compiler *compiler)
2322 {
2323 	SLJIT_UNUSED_ARG(compiler);
2324 	SLJIT_UNREACHABLE();
2325 }
2326 
sljit_alloc_memory(struct sljit_compiler * compiler,sljit_s32 size)2327 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_s32 size)
2328 {
2329 	SLJIT_UNUSED_ARG(compiler);
2330 	SLJIT_UNUSED_ARG(size);
2331 	SLJIT_UNREACHABLE();
2332 	return NULL;
2333 }
2334 
2335 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
sljit_compiler_verbose(struct sljit_compiler * compiler,FILE * verbose)2336 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
2337 {
2338 	SLJIT_UNUSED_ARG(compiler);
2339 	SLJIT_UNUSED_ARG(verbose);
2340 	SLJIT_UNREACHABLE();
2341 }
2342 #endif
2343 
sljit_generate_code(struct sljit_compiler * compiler)2344 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
2345 {
2346 	SLJIT_UNUSED_ARG(compiler);
2347 	SLJIT_UNREACHABLE();
2348 	return NULL;
2349 }
2350 
sljit_has_cpu_feature(sljit_s32 feature_type)2351 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
2352 {
2353 	SLJIT_UNUSED_ARG(feature_type);
2354 	SLJIT_UNREACHABLE();
2355 	return 0;
2356 }
2357 
sljit_free_code(void * code,void * exec_allocator_data)2358 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code, void *exec_allocator_data)
2359 {
2360 	SLJIT_UNUSED_ARG(code);
2361 	SLJIT_UNUSED_ARG(exec_allocator_data);
2362 	SLJIT_UNREACHABLE();
2363 }
2364 
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)2365 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
2366 	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
2367 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
2368 {
2369 	SLJIT_UNUSED_ARG(compiler);
2370 	SLJIT_UNUSED_ARG(options);
2371 	SLJIT_UNUSED_ARG(arg_types);
2372 	SLJIT_UNUSED_ARG(scratches);
2373 	SLJIT_UNUSED_ARG(saveds);
2374 	SLJIT_UNUSED_ARG(fscratches);
2375 	SLJIT_UNUSED_ARG(fsaveds);
2376 	SLJIT_UNUSED_ARG(local_size);
2377 	SLJIT_UNREACHABLE();
2378 	return SLJIT_ERR_UNSUPPORTED;
2379 }
2380 
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)2381 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
2382 	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
2383 	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
2384 {
2385 	SLJIT_UNUSED_ARG(compiler);
2386 	SLJIT_UNUSED_ARG(options);
2387 	SLJIT_UNUSED_ARG(arg_types);
2388 	SLJIT_UNUSED_ARG(scratches);
2389 	SLJIT_UNUSED_ARG(saveds);
2390 	SLJIT_UNUSED_ARG(fscratches);
2391 	SLJIT_UNUSED_ARG(fsaveds);
2392 	SLJIT_UNUSED_ARG(local_size);
2393 	SLJIT_UNREACHABLE();
2394 	return SLJIT_ERR_UNSUPPORTED;
2395 }
2396 
sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)2397 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
2398 {
2399 	SLJIT_UNUSED_ARG(compiler);
2400 	SLJIT_UNUSED_ARG(op);
2401 	SLJIT_UNUSED_ARG(src);
2402 	SLJIT_UNUSED_ARG(srcw);
2403 	SLJIT_UNREACHABLE();
2404 	return SLJIT_ERR_UNSUPPORTED;
2405 }
2406 
sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)2407 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
2408 {
2409 	SLJIT_UNUSED_ARG(compiler);
2410 	SLJIT_UNUSED_ARG(dst);
2411 	SLJIT_UNUSED_ARG(dstw);
2412 	SLJIT_UNREACHABLE();
2413 	return SLJIT_ERR_UNSUPPORTED;
2414 }
2415 
sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)2416 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
2417 {
2418 	SLJIT_UNUSED_ARG(compiler);
2419 	SLJIT_UNUSED_ARG(op);
2420 	SLJIT_UNREACHABLE();
2421 	return SLJIT_ERR_UNSUPPORTED;
2422 }
2423 
sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)2424 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
2425 	sljit_s32 dst, sljit_sw dstw,
2426 	sljit_s32 src, sljit_sw srcw)
2427 {
2428 	SLJIT_UNUSED_ARG(compiler);
2429 	SLJIT_UNUSED_ARG(op);
2430 	SLJIT_UNUSED_ARG(dst);
2431 	SLJIT_UNUSED_ARG(dstw);
2432 	SLJIT_UNUSED_ARG(src);
2433 	SLJIT_UNUSED_ARG(srcw);
2434 	SLJIT_UNREACHABLE();
2435 	return SLJIT_ERR_UNSUPPORTED;
2436 }
2437 
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)2438 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
2439 	sljit_s32 dst, sljit_sw dstw,
2440 	sljit_s32 src1, sljit_sw src1w,
2441 	sljit_s32 src2, sljit_sw src2w)
2442 {
2443 	SLJIT_UNUSED_ARG(compiler);
2444 	SLJIT_UNUSED_ARG(op);
2445 	SLJIT_UNUSED_ARG(dst);
2446 	SLJIT_UNUSED_ARG(dstw);
2447 	SLJIT_UNUSED_ARG(src1);
2448 	SLJIT_UNUSED_ARG(src1w);
2449 	SLJIT_UNUSED_ARG(src2);
2450 	SLJIT_UNUSED_ARG(src2w);
2451 	SLJIT_UNREACHABLE();
2452 	return SLJIT_ERR_UNSUPPORTED;
2453 }
2454 
sljit_emit_op_src(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)2455 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op,
2456 	sljit_s32 src, sljit_sw srcw)
2457 {
2458 	SLJIT_UNUSED_ARG(compiler);
2459 	SLJIT_UNUSED_ARG(op);
2460 	SLJIT_UNUSED_ARG(src);
2461 	SLJIT_UNUSED_ARG(srcw);
2462 	SLJIT_UNREACHABLE();
2463 	return SLJIT_ERR_UNSUPPORTED;
2464 }
2465 
sljit_get_register_index(sljit_s32 reg)2466 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
2467 {
2468 	SLJIT_UNREACHABLE();
2469 	return reg;
2470 }
2471 
sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)2472 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
2473 	void *instruction, sljit_s32 size)
2474 {
2475 	SLJIT_UNUSED_ARG(compiler);
2476 	SLJIT_UNUSED_ARG(instruction);
2477 	SLJIT_UNUSED_ARG(size);
2478 	SLJIT_UNREACHABLE();
2479 	return SLJIT_ERR_UNSUPPORTED;
2480 }
2481 
sljit_set_current_flags(struct sljit_compiler * compiler,sljit_s32 current_flags)2482 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *compiler, sljit_s32 current_flags)
2483 {
2484 	SLJIT_UNUSED_ARG(compiler);
2485 	SLJIT_UNUSED_ARG(current_flags);
2486 }
2487 
sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)2488 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
2489 	sljit_s32 dst, sljit_sw dstw,
2490 	sljit_s32 src, sljit_sw srcw)
2491 {
2492 	SLJIT_UNUSED_ARG(compiler);
2493 	SLJIT_UNUSED_ARG(op);
2494 	SLJIT_UNUSED_ARG(dst);
2495 	SLJIT_UNUSED_ARG(dstw);
2496 	SLJIT_UNUSED_ARG(src);
2497 	SLJIT_UNUSED_ARG(srcw);
2498 	SLJIT_UNREACHABLE();
2499 	return SLJIT_ERR_UNSUPPORTED;
2500 }
2501 
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)2502 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
2503 	sljit_s32 dst, sljit_sw dstw,
2504 	sljit_s32 src1, sljit_sw src1w,
2505 	sljit_s32 src2, sljit_sw src2w)
2506 {
2507 	SLJIT_UNUSED_ARG(compiler);
2508 	SLJIT_UNUSED_ARG(op);
2509 	SLJIT_UNUSED_ARG(dst);
2510 	SLJIT_UNUSED_ARG(dstw);
2511 	SLJIT_UNUSED_ARG(src1);
2512 	SLJIT_UNUSED_ARG(src1w);
2513 	SLJIT_UNUSED_ARG(src2);
2514 	SLJIT_UNUSED_ARG(src2w);
2515 	SLJIT_UNREACHABLE();
2516 	return SLJIT_ERR_UNSUPPORTED;
2517 }
2518 
sljit_emit_label(struct sljit_compiler * compiler)2519 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
2520 {
2521 	SLJIT_UNUSED_ARG(compiler);
2522 	SLJIT_UNREACHABLE();
2523 	return NULL;
2524 }
2525 
sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)2526 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
2527 {
2528 	SLJIT_UNUSED_ARG(compiler);
2529 	SLJIT_UNUSED_ARG(type);
2530 	SLJIT_UNREACHABLE();
2531 	return NULL;
2532 }
2533 
sljit_emit_call(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types)2534 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
2535 	sljit_s32 arg_types)
2536 {
2537 	SLJIT_UNUSED_ARG(compiler);
2538 	SLJIT_UNUSED_ARG(type);
2539 	SLJIT_UNUSED_ARG(arg_types);
2540 	SLJIT_UNREACHABLE();
2541 	return NULL;
2542 }
2543 
sljit_emit_cmp(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_cmp(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_emit_fcmp(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)2558 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
2559 	sljit_s32 src1, sljit_sw src1w,
2560 	sljit_s32 src2, sljit_sw src2w)
2561 {
2562 	SLJIT_UNUSED_ARG(compiler);
2563 	SLJIT_UNUSED_ARG(type);
2564 	SLJIT_UNUSED_ARG(src1);
2565 	SLJIT_UNUSED_ARG(src1w);
2566 	SLJIT_UNUSED_ARG(src2);
2567 	SLJIT_UNUSED_ARG(src2w);
2568 	SLJIT_UNREACHABLE();
2569 	return NULL;
2570 }
2571 
sljit_set_label(struct sljit_jump * jump,struct sljit_label * label)2572 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
2573 {
2574 	SLJIT_UNUSED_ARG(jump);
2575 	SLJIT_UNUSED_ARG(label);
2576 	SLJIT_UNREACHABLE();
2577 }
2578 
sljit_set_target(struct sljit_jump * jump,sljit_uw target)2579 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
2580 {
2581 	SLJIT_UNUSED_ARG(jump);
2582 	SLJIT_UNUSED_ARG(target);
2583 	SLJIT_UNREACHABLE();
2584 }
2585 
sljit_set_put_label(struct sljit_put_label * put_label,struct sljit_label * label)2586 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_put_label(struct sljit_put_label *put_label, struct sljit_label *label)
2587 {
2588 	SLJIT_UNUSED_ARG(put_label);
2589 	SLJIT_UNUSED_ARG(label);
2590 	SLJIT_UNREACHABLE();
2591 }
2592 
sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)2593 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
2594 {
2595 	SLJIT_UNUSED_ARG(compiler);
2596 	SLJIT_UNUSED_ARG(type);
2597 	SLJIT_UNUSED_ARG(src);
2598 	SLJIT_UNUSED_ARG(srcw);
2599 	SLJIT_UNREACHABLE();
2600 	return SLJIT_ERR_UNSUPPORTED;
2601 }
2602 
sljit_emit_icall(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types,sljit_s32 src,sljit_sw srcw)2603 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
2604 	sljit_s32 arg_types,
2605 	sljit_s32 src, sljit_sw srcw)
2606 {
2607 	SLJIT_UNUSED_ARG(compiler);
2608 	SLJIT_UNUSED_ARG(type);
2609 	SLJIT_UNUSED_ARG(arg_types);
2610 	SLJIT_UNUSED_ARG(src);
2611 	SLJIT_UNUSED_ARG(srcw);
2612 	SLJIT_UNREACHABLE();
2613 	return SLJIT_ERR_UNSUPPORTED;
2614 }
2615 
sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 type)2616 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
2617 	sljit_s32 dst, sljit_sw dstw,
2618 	sljit_s32 type)
2619 {
2620 	SLJIT_UNUSED_ARG(compiler);
2621 	SLJIT_UNUSED_ARG(op);
2622 	SLJIT_UNUSED_ARG(dst);
2623 	SLJIT_UNUSED_ARG(dstw);
2624 	SLJIT_UNUSED_ARG(type);
2625 	SLJIT_UNREACHABLE();
2626 	return SLJIT_ERR_UNSUPPORTED;
2627 }
2628 
sljit_emit_cmov(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)2629 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
2630 	sljit_s32 dst_reg,
2631 	sljit_s32 src, sljit_sw srcw)
2632 {
2633 	SLJIT_UNUSED_ARG(compiler);
2634 	SLJIT_UNUSED_ARG(type);
2635 	SLJIT_UNUSED_ARG(dst_reg);
2636 	SLJIT_UNUSED_ARG(src);
2637 	SLJIT_UNUSED_ARG(srcw);
2638 	SLJIT_UNREACHABLE();
2639 	return SLJIT_ERR_UNSUPPORTED;
2640 }
2641 
sljit_emit_mem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 reg,sljit_s32 mem,sljit_sw memw)2642 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)
2643 {
2644 	SLJIT_UNUSED_ARG(compiler);
2645 	SLJIT_UNUSED_ARG(type);
2646 	SLJIT_UNUSED_ARG(reg);
2647 	SLJIT_UNUSED_ARG(mem);
2648 	SLJIT_UNUSED_ARG(memw);
2649 	SLJIT_UNREACHABLE();
2650 	return SLJIT_ERR_UNSUPPORTED;
2651 }
2652 
sljit_emit_fmem(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 freg,sljit_s32 mem,sljit_sw memw)2653 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)
2654 {
2655 	SLJIT_UNUSED_ARG(compiler);
2656 	SLJIT_UNUSED_ARG(type);
2657 	SLJIT_UNUSED_ARG(freg);
2658 	SLJIT_UNUSED_ARG(mem);
2659 	SLJIT_UNUSED_ARG(memw);
2660 	SLJIT_UNREACHABLE();
2661 	return SLJIT_ERR_UNSUPPORTED;
2662 }
2663 
sljit_get_local_base(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw offset)2664 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
2665 {
2666 	SLJIT_UNUSED_ARG(compiler);
2667 	SLJIT_UNUSED_ARG(dst);
2668 	SLJIT_UNUSED_ARG(dstw);
2669 	SLJIT_UNUSED_ARG(offset);
2670 	SLJIT_UNREACHABLE();
2671 	return SLJIT_ERR_UNSUPPORTED;
2672 }
2673 
sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw initval)2674 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw initval)
2675 {
2676 	SLJIT_UNUSED_ARG(compiler);
2677 	SLJIT_UNUSED_ARG(dst);
2678 	SLJIT_UNUSED_ARG(dstw);
2679 	SLJIT_UNUSED_ARG(initval);
2680 	SLJIT_UNREACHABLE();
2681 	return NULL;
2682 }
2683 
sljit_emit_put_label(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)2684 SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
2685 {
2686 	SLJIT_UNUSED_ARG(compiler);
2687 	SLJIT_UNUSED_ARG(dst);
2688 	SLJIT_UNUSED_ARG(dstw);
2689 	return NULL;
2690 }
2691 
sljit_set_jump_addr(sljit_uw addr,sljit_uw new_target,sljit_sw executable_offset)2692 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
2693 {
2694 	SLJIT_UNUSED_ARG(addr);
2695 	SLJIT_UNUSED_ARG(new_target);
2696 	SLJIT_UNUSED_ARG(executable_offset);
2697 	SLJIT_UNREACHABLE();
2698 }
2699 
sljit_set_const(sljit_uw addr,sljit_sw new_constant,sljit_sw executable_offset)2700 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
2701 {
2702 	SLJIT_UNUSED_ARG(addr);
2703 	SLJIT_UNUSED_ARG(new_constant);
2704 	SLJIT_UNUSED_ARG(executable_offset);
2705 	SLJIT_UNREACHABLE();
2706 }
2707 
2708 #endif /* !SLJIT_CONFIG_UNSUPPORTED */
2709