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4a71579b | 1 | /* |
c0c16242 | 2 | * Copyright (C) 2012-2022 Free Software Foundation, Inc. |
4a71579b PC |
3 | * |
4 | * This file is part of GNU lightning. | |
5 | * | |
6 | * GNU lightning is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU Lesser General Public License as published | |
8 | * by the Free Software Foundation; either version 3, or (at your option) | |
9 | * any later version. | |
10 | * | |
11 | * GNU lightning is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
13 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public | |
14 | * License for more details. | |
15 | * | |
16 | * Authors: | |
17 | * Paulo Cesar Pereira de Andrade | |
18 | */ | |
19 | ||
20 | #ifndef _jit_private_h | |
21 | #define _jit_private_h | |
22 | ||
23 | #if HAVE_CONFIG_H | |
24 | # include "config.h" | |
25 | #endif | |
26 | ||
27 | #include <assert.h> | |
28 | #include <limits.h> | |
29 | #include <stdio.h> | |
30 | ||
31 | #ifdef STDC_HEADERS | |
32 | # include <stddef.h> | |
33 | #else | |
34 | # if !defined(offsetof) | |
35 | # define offsetof(type, field) ((char *)&((type *)0)->field - (char *)0) | |
36 | # endif | |
37 | #endif | |
38 | ||
39 | #if defined(__GNUC__) | |
40 | # define maybe_unused __attribute__ ((unused)) | |
41 | # define unlikely(exprn) __builtin_expect(!!(exprn), 0) | |
42 | # define likely(exprn) __builtin_expect(!!(exprn), 1) | |
43 | # if (__GNUC__ >= 4) | |
44 | # define PUBLIC __attribute__ ((visibility("default"))) | |
45 | # define HIDDEN __attribute__ ((visibility("hidden"))) | |
46 | # else | |
47 | # define PUBLIC /**/ | |
48 | # define HIDDEN /**/ | |
49 | # endif | |
50 | #else | |
51 | # define maybe_unused /**/ | |
52 | # define unlikely(exprn) exprn | |
53 | # define likely(exprn) exprn | |
54 | # define PUBLIC /**/ | |
55 | # define HIDDEN /**/ | |
56 | #endif | |
57 | ||
58 | #define rc(value) jit_class_##value | |
59 | #define rn(reg) (jit_regno(_rvs[jit_regno(reg)].spec)) | |
60 | ||
61 | #if defined(__i386__) || defined(__x86_64__) | |
62 | # define JIT_SP _RSP | |
63 | # define JIT_RET _RAX | |
64 | # if __X32 | |
65 | # define JIT_FRET _ST0 | |
66 | typedef jit_uint32_t jit_regset_t; | |
67 | # else | |
68 | # if __CYGWIN__ || _WIN32 | |
69 | # define JIT_RA0 _RCX | |
70 | # else | |
71 | # define JIT_RA0 _RDI | |
72 | # endif | |
73 | # define JIT_FA0 _XMM0 | |
74 | # define JIT_FRET _XMM0 | |
75 | typedef jit_uint64_t jit_regset_t; | |
76 | # endif | |
77 | #elif defined(__mips__) | |
78 | # define JIT_RA0 _A0 | |
79 | # define JIT_FA0 _F12 | |
80 | # define JIT_SP _SP | |
81 | # define JIT_RET _V0 | |
82 | # define JIT_FRET _F0 | |
83 | typedef jit_uint64_t jit_regset_t; | |
84 | #elif defined(__arm__) | |
85 | # define JIT_RA0 _R0 | |
86 | # define JIT_FA0 _D0 | |
87 | # define JIT_SP _R13 | |
88 | # define JIT_RET _R0 | |
89 | # if defined(__ARM_PCS_VFP) | |
90 | # define JIT_FRET _D0 | |
91 | # else | |
92 | # define JIT_FRET _R0 | |
93 | # endif | |
94 | typedef jit_uint64_t jit_regset_t; | |
95 | #elif defined(__powerpc__) | |
96 | # define JIT_RA0 _R3 | |
97 | # define JIT_FA0 _F1 | |
98 | # define JIT_SP _R1 | |
99 | # define JIT_RET _R3 | |
100 | # define JIT_FRET _F1 | |
101 | typedef jit_uint64_t jit_regset_t; | |
102 | #elif defined(__sparc__) | |
103 | # define JIT_SP _SP | |
104 | # define JIT_RET _I0 | |
105 | # define JIT_FRET _F0 | |
106 | # if __WORDSIZE == 32 | |
107 | typedef jit_uint64_t jit_regset_t; | |
108 | # else | |
109 | typedef struct { | |
110 | jit_uint64_t rl; | |
111 | jit_uint64_t rh; | |
112 | } jit_regset_t; | |
113 | # endif | |
114 | #elif defined(__ia64__) | |
115 | # define JIT_SP _R12 | |
116 | # define JIT_RET _R8 | |
117 | # define JIT_FRET _F8 | |
118 | typedef struct { | |
119 | jit_uint64_t rl; | |
120 | jit_uint64_t rh; | |
121 | jit_uint64_t fl; | |
122 | jit_uint64_t fh; | |
123 | } jit_regset_t; | |
124 | #elif defined(__hppa__) | |
125 | # define JIT_SP _R30 | |
126 | # define JIT_RET _R28 | |
127 | # define JIT_FRET _F4 | |
128 | typedef jit_uint64_t jit_regset_t; | |
129 | #elif defined(__aarch64__) | |
130 | # define JIT_RA0 _R0 | |
131 | # define JIT_FA0 _V0 | |
132 | # define JIT_SP _SP | |
133 | # define JIT_RET _R0 | |
134 | # define JIT_FRET _V0 | |
135 | typedef jit_uint64_t jit_regset_t; | |
136 | #elif defined(__s390__) || defined(__s390x__) | |
137 | # define JIT_SP _R15 | |
138 | # define JIT_RET _R2 | |
139 | # define JIT_FRET _F0 | |
140 | typedef jit_uint32_t jit_regset_t; | |
141 | #elif defined(__alpha__) | |
142 | # define JIT_SP _SP | |
143 | # define JIT_RET _V0 | |
144 | # define JIT_FRET _F0 | |
145 | typedef jit_uint64_t jit_regset_t; | |
146 | #elif defined(__riscv) | |
147 | # define JIT_RA0 _A0 | |
148 | # define JIT_FA0 _FA0 | |
149 | # define JIT_SP _SP | |
150 | # define JIT_RET _A0 | |
151 | # define JIT_FRET _FA0 | |
152 | typedef jit_uint64_t jit_regset_t; | |
24d91c0d PC |
153 | #elif defined(__loongarch__) |
154 | # define JIT_RA0 _A0 | |
155 | # define JIT_FA0 _FA0 | |
156 | # define JIT_SP _SP | |
157 | # define JIT_RET _A0 | |
158 | # define JIT_FRET _FA0 | |
159 | typedef jit_uint64_t jit_regset_t; | |
4a71579b PC |
160 | #endif |
161 | ||
162 | #define jit_data(u,v,w) _jit_data(_jit,u,v,w) | |
163 | extern jit_node_t *_jit_data(jit_state_t*, const void*, | |
164 | jit_word_t, jit_int32_t); | |
165 | ||
166 | #define jit_size(vector) (sizeof(vector) / sizeof((vector)[0])) | |
167 | ||
168 | #define jit_reg_free_p(regno) \ | |
169 | (!jit_regset_tstbit(&_jitc->reglive, regno) && \ | |
170 | !jit_regset_tstbit(&_jitc->regarg, regno) && \ | |
171 | !jit_regset_tstbit(&_jitc->regsav, regno)) | |
172 | ||
173 | #define jit_reg_free_if_spill_p(regno) \ | |
174 | (!jit_regset_tstbit(&_jitc->regarg, regno) && \ | |
175 | !jit_regset_tstbit(&_jitc->regsav, regno)) | |
176 | ||
177 | #define jit_inc_synth(code) \ | |
178 | do { \ | |
179 | (void)jit_new_node(jit_code_##code); \ | |
180 | jit_synth_inc(); \ | |
181 | } while (0) | |
182 | #define jit_inc_synth_w(code, u) \ | |
183 | do { \ | |
184 | (void)jit_new_node_w(jit_code_##code, u); \ | |
185 | jit_synth_inc(); \ | |
186 | } while (0) | |
187 | #define jit_inc_synth_f(code, u) \ | |
188 | do { \ | |
189 | (void)jit_new_node_f(jit_code_##code, u); \ | |
190 | jit_synth_inc(); \ | |
191 | } while (0) | |
192 | #define jit_inc_synth_d(code, u) \ | |
193 | do { \ | |
194 | (void)jit_new_node_d(jit_code_##code, u); \ | |
195 | jit_synth_inc(); \ | |
196 | } while (0) | |
197 | #define jit_inc_synth_ww(code, u, v) \ | |
198 | do { \ | |
199 | (void)jit_new_node_ww(jit_code_##code, u, v); \ | |
200 | jit_synth_inc(); \ | |
201 | } while (0) | |
202 | #define jit_inc_synth_wp(code, u, v) \ | |
203 | do { \ | |
204 | (void)jit_new_node_wp(jit_code_##code, u, v); \ | |
205 | jit_synth_inc(); \ | |
206 | } while (0) | |
207 | #define jit_inc_synth_fp(code, u, v) \ | |
208 | do { \ | |
209 | (void)jit_new_node_fp(jit_code_##code, u, v); \ | |
210 | jit_synth_inc(); \ | |
211 | } while (0) | |
212 | #define jit_inc_synth_dp(code, u, v) \ | |
213 | do { \ | |
214 | (void)jit_new_node_dp(jit_code_##code, u, v); \ | |
215 | jit_synth_inc(); \ | |
216 | } while (0) | |
217 | #define jit_dec_synth() jit_synth_dec() | |
218 | ||
219 | #define jit_link_prolog() \ | |
220 | do { \ | |
221 | _jitc->tail->link = _jitc->function->prolog->link; \ | |
222 | _jitc->function->prolog->link = _jitc->tail; \ | |
223 | } while (0) | |
224 | #define jit_link_prepare() \ | |
225 | do { \ | |
226 | _jitc->tail->link = _jitc->prepare->link; \ | |
227 | _jitc->prepare->link = _jitc->tail; \ | |
228 | } while (0) | |
229 | #define jit_link_reverse(where) \ | |
230 | do { \ | |
231 | jit_node_t *tmp, *tail = 0; \ | |
232 | while (where) { \ | |
233 | tmp = (where)->link; \ | |
234 | (where)->link = tail; \ | |
235 | tail = where; \ | |
236 | where = tmp; \ | |
237 | } \ | |
238 | where = tail; \ | |
239 | } while (0); | |
240 | ||
241 | /* | |
242 | * Private jit_class bitmasks | |
243 | */ | |
244 | #define jit_class_named 0x00400000 /* hit must be the named reg */ | |
245 | #define jit_class_nospill 0x00800000 /* hint to fail if need spill */ | |
246 | #define jit_class_sft 0x01000000 /* not a hardware register */ | |
247 | #define jit_class_rg8 0x04000000 /* x86 8 bits */ | |
248 | #define jit_class_xpr 0x80000000 /* float / vector */ | |
249 | /* Used on sparc64 where %f0-%f31 can be encode for single float | |
250 | * but %f32 to %f62 only as double precision */ | |
251 | #define jit_class_sng 0x10000000 /* Single precision float */ | |
252 | #define jit_class_dbl 0x20000000 /* Only double precision float */ | |
253 | #define jit_regno_patch 0x00008000 /* this is a register | |
254 | * returned by a "user" call | |
255 | * to jit_get_reg() */ | |
256 | ||
257 | #define jit_call_default 0 | |
258 | #define jit_call_varargs 1 | |
259 | ||
260 | #define jit_kind_register 1 | |
261 | #define jit_kind_code 2 | |
262 | #define jit_kind_word 3 | |
263 | #define jit_kind_float32 4 | |
264 | #define jit_kind_float64 5 | |
265 | ||
266 | #define jit_cc_a0_reg 0x00000001 /* arg0 is a register */ | |
267 | #define jit_cc_a0_chg 0x00000002 /* arg0 is modified */ | |
268 | #define jit_cc_a0_jmp 0x00000004 /* arg0 is a jump target */ | |
269 | #define jit_cc_a0_rlh 0x00000008 /* arg0 is a register pair */ | |
270 | #define jit_cc_a0_int 0x00000010 /* arg0 is immediate word */ | |
271 | #define jit_cc_a0_flt 0x00000020 /* arg0 is immediate float */ | |
272 | #define jit_cc_a0_dbl 0x00000040 /* arg0 is immediate double */ | |
273 | #define jit_cc_a0_arg 0x00000080 /* arg1 is an argument int id */ | |
40a44dcb PC |
274 | #define jit_cc_a0_cnd 0x00000100 /* arg1 is a conditinally set register */ |
275 | #define jit_cc_a1_reg 0x00000200 /* arg1 is a register */ | |
276 | #define jit_cc_a1_chg 0x00000400 /* arg1 is modified */ | |
4a71579b PC |
277 | #define jit_cc_a1_int 0x00001000 /* arg1 is immediate word */ |
278 | #define jit_cc_a1_flt 0x00002000 /* arg1 is immediate float */ | |
279 | #define jit_cc_a1_dbl 0x00004000 /* arg1 is immediate double */ | |
280 | #define jit_cc_a1_arg 0x00008000 /* arg1 is an argument node */ | |
281 | #define jit_cc_a2_reg 0x00010000 /* arg2 is a register */ | |
282 | #define jit_cc_a2_chg 0x00020000 /* arg2 is modified */ | |
283 | #define jit_cc_a2_int 0x00100000 /* arg2 is immediate word */ | |
284 | #define jit_cc_a2_flt 0x00200000 /* arg2 is immediate float */ | |
285 | #define jit_cc_a2_dbl 0x00400000 /* arg2 is immediate double */ | |
ba3814c1 | 286 | #define jit_cc_a2_rlh 0x00800000 /* arg2 is a register pair */ |
4a71579b PC |
287 | |
288 | #if __ia64__ || (__sparc__ && __WORDSIZE == 64) | |
289 | extern void | |
290 | jit_regset_com(jit_regset_t*, jit_regset_t*); | |
291 | ||
292 | extern void | |
293 | jit_regset_and(jit_regset_t*, jit_regset_t*, jit_regset_t*); | |
294 | ||
295 | extern void | |
296 | jit_regset_ior(jit_regset_t*, jit_regset_t*, jit_regset_t*); | |
297 | ||
298 | extern void | |
299 | jit_regset_xor(jit_regset_t*, jit_regset_t*, jit_regset_t*); | |
300 | ||
301 | extern void | |
302 | jit_regset_set(jit_regset_t*, jit_regset_t*); | |
303 | ||
304 | extern void | |
305 | jit_regset_set_mask(jit_regset_t*, jit_int32_t); | |
306 | ||
307 | extern jit_bool_t | |
308 | jit_regset_cmp_ui(jit_regset_t*, jit_word_t); | |
309 | ||
310 | extern void | |
311 | jit_regset_set_ui(jit_regset_t*, jit_word_t); | |
312 | ||
313 | extern jit_bool_t | |
314 | jit_regset_set_p(jit_regset_t*); | |
315 | ||
316 | extern void | |
317 | jit_regset_clrbit(jit_regset_t*, jit_int32_t); | |
318 | ||
319 | extern void | |
320 | jit_regset_setbit(jit_regset_t*, jit_int32_t); | |
321 | ||
322 | extern jit_bool_t | |
323 | jit_regset_tstbit(jit_regset_t*, jit_int32_t); | |
324 | # if __sparc__ && __WORDSIZE == 64 | |
325 | # define jit_regset_new(set) \ | |
326 | do { (set)->rl = (set)->rh = 0; } while (0) | |
327 | # define jit_regset_del(set) \ | |
328 | do { (set)->rl = (set)->rh = 0; } while (0) | |
329 | # else | |
330 | # define jit_regset_new(set) \ | |
331 | do { (set)->rl = (set)->rh = (set)->fl = (set)->fh = 0; } while (0) | |
332 | # define jit_regset_del(set) \ | |
333 | do { (set)->rl = (set)->rh = (set)->fl = (set)->fh = 0; } while (0) | |
334 | # endif | |
335 | #else | |
336 | # define jit_regset_com(u, v) (*(u) = ~*(v)) | |
337 | # define jit_regset_and(u, v, w) (*(u) = *(v) & *(w)) | |
338 | # define jit_regset_ior(u, v, w) (*(u) = *(v) | *(w)) | |
339 | # define jit_regset_xor(u, v, w) (*(u) = *(v) ^ *(w)) | |
340 | # define jit_regset_set(u, v) (*(u) = *(v)) | |
341 | # define jit_regset_set_mask(u, v) (*(u) = (1LL << (v)) - 1) | |
342 | # define jit_regset_cmp_ui(u, v) (*(u) != (v)) | |
343 | # define jit_regset_set_ui(u, v) (*(u) = (v)) | |
344 | # define jit_regset_set_p(set) (*set) | |
345 | # define jit_regset_clrbit(set, bit) (*(set) &= ~(1LL << (bit))) | |
346 | # define jit_regset_setbit(set, bit) (*(set) |= 1LL << (bit)) | |
347 | # define jit_regset_tstbit(set, bit) (*(set) & (1LL << (bit))) | |
348 | # define jit_regset_new(set) (*(set) = 0) | |
349 | # define jit_regset_del(set) (*(set) = 0) | |
350 | #endif | |
351 | extern unsigned long | |
352 | jit_regset_scan1(jit_regset_t*, jit_int32_t); | |
353 | ||
354 | #define jit_reglive_setup() \ | |
355 | do { \ | |
356 | jit_regset_set_ui(&_jitc->reglive, 0); \ | |
357 | jit_regset_set_ui(&_jitc->regmask, 0); \ | |
358 | } while (0) | |
359 | ||
360 | /* | |
361 | * Types | |
362 | */ | |
363 | typedef union jit_data jit_data_t; | |
364 | typedef struct jit_note jit_note_t; | |
365 | typedef struct jit_line jit_line_t; | |
366 | typedef struct jit_block jit_block_t; | |
367 | typedef struct jit_value jit_value_t; | |
368 | typedef struct jit_compiler jit_compiler_t; | |
369 | typedef struct jit_function jit_function_t; | |
370 | typedef struct jit_register jit_register_t; | |
371 | #if __arm__ | |
372 | # if DISASSEMBLER | |
373 | typedef struct jit_data_info jit_data_info_t; | |
374 | # endif | |
c0c16242 PC |
375 | #elif __riscv |
376 | typedef struct jit_const jit_const_t; | |
4a71579b PC |
377 | #endif |
378 | ||
379 | union jit_data { | |
380 | struct { | |
381 | #if __BYTE_ORDER == __LITTLE_ENDIAN | |
382 | jit_int32_t l; | |
383 | jit_int32_t h; | |
384 | #else | |
385 | jit_int32_t h; | |
386 | jit_int32_t l; | |
387 | #endif | |
388 | } q; | |
389 | jit_word_t w; | |
390 | jit_float32_t f; | |
391 | jit_float64_t d; | |
392 | jit_pointer_t p; | |
393 | jit_node_t *n; | |
394 | }; | |
395 | ||
396 | struct jit_note { | |
397 | jit_uint8_t *code; | |
398 | char *name; | |
399 | jit_line_t *lines; | |
400 | jit_word_t length; | |
401 | jit_word_t size; /* of code */ | |
402 | }; | |
403 | ||
404 | struct jit_line { | |
405 | char *file; | |
406 | jit_int32_t *linenos; | |
407 | jit_int32_t *offsets; | |
408 | jit_word_t length; | |
409 | }; | |
410 | ||
411 | struct jit_node { | |
412 | jit_node_t *next; | |
413 | jit_code_t code; | |
414 | jit_uint16_t flag; | |
415 | jit_uint16_t offset; /* Used if DEVEL_DISASSEMBLER */ | |
416 | jit_data_t u; | |
417 | jit_data_t v; | |
418 | jit_data_t w; | |
419 | jit_node_t *link; | |
420 | }; | |
421 | ||
422 | struct jit_block { | |
423 | jit_node_t *label; | |
424 | jit_regset_t reglive; | |
425 | jit_regset_t regmask; | |
c0c16242 PC |
426 | jit_bool_t again; /* Flag need to rebuild regset masks |
427 | * due to changes in live and unknown | |
428 | * state. */ | |
4a71579b PC |
429 | }; |
430 | ||
431 | struct jit_value { | |
432 | jit_int32_t kind; | |
433 | jit_code_t code; | |
434 | jit_data_t base; | |
435 | jit_data_t disp; | |
436 | }; | |
437 | ||
438 | typedef struct { | |
439 | #if __arm__ | |
440 | jit_word_t kind; | |
441 | #endif | |
442 | jit_word_t inst; | |
443 | jit_node_t *node; | |
444 | } jit_patch_t; | |
445 | ||
446 | #if __arm__ && DISASSEMBLER | |
447 | struct jit_data_info { | |
448 | jit_uword_t code; /* pointer in code buffer */ | |
449 | jit_word_t length; /* length of constant vector */ | |
450 | }; | |
c0c16242 PC |
451 | #elif __riscv && __WORDSIZE == 64 |
452 | struct jit_const { | |
453 | jit_word_t value; | |
454 | jit_word_t address; | |
455 | jit_const_t *next; | |
456 | }; | |
4a71579b PC |
457 | #endif |
458 | ||
459 | struct jit_function { | |
460 | struct { | |
461 | jit_int32_t argi; | |
462 | jit_int32_t argf; | |
463 | jit_int32_t size; | |
464 | jit_int32_t aoff; | |
465 | jit_int32_t alen; | |
466 | jit_int32_t call; | |
467 | jit_int32_t argn; /* for debug output */ | |
468 | } self; | |
469 | struct { | |
470 | jit_int32_t argi; | |
471 | jit_int32_t argf; | |
472 | jit_int32_t size; | |
473 | jit_int32_t call; | |
474 | } call; | |
475 | jit_node_t *prolog; | |
476 | jit_node_t *epilog; | |
477 | jit_int32_t *regoff; | |
478 | jit_regset_t regset; | |
479 | jit_int32_t stack; | |
480 | ||
481 | /* Helper for common jit generation pattern, used in GNU Smalltalk | |
482 | * and possibly others, where a static frame layout is required or | |
483 | * assumed. */ | |
484 | jit_int32_t frame; | |
485 | jit_uint32_t define_frame : 1; | |
486 | jit_uint32_t assume_frame : 1; | |
487 | ||
488 | /* alloca offset offset */ | |
489 | jit_int32_t aoffoff; | |
490 | /* uses allocar flag */ | |
491 | jit_uint32_t allocar : 1; | |
492 | ||
493 | /* varargs state offsets */ | |
494 | jit_int32_t vaoff; /* offset of jit_va_list */ | |
495 | jit_int32_t vagp; /* first gp va argument */ | |
496 | jit_int32_t vafp; /* first fp va argument */ | |
497 | }; | |
498 | ||
499 | /* data used only during jit generation */ | |
500 | struct jit_compiler { | |
501 | #if __ia64__ | |
502 | struct { | |
503 | jit_uint64_t i : 41; | |
504 | jit_uint64_t t : 4; | |
505 | } inst[3]; | |
506 | jit_regset_t regs; /* changed regs since last stop */ | |
507 | jit_int32_t pred; /* changed preds last stop */ | |
508 | jit_int32_t ioff; /* offset in inst vector */ | |
509 | jit_int32_t rout; /* first output register */ | |
510 | jit_int32_t breg; /* base register for prolog/epilog */ | |
511 | #endif | |
512 | #if __mips__ || __ia64__ || __alpha__ || \ | |
24d91c0d | 513 | (__sparc__ && __WORDSIZE == 64) || __riscv || __loongarch__ |
4a71579b PC |
514 | jit_int32_t carry; |
515 | #define jit_carry _jitc->carry | |
516 | #endif | |
517 | jit_node_t *head; | |
518 | jit_node_t *tail; | |
519 | jit_node_t *prepare; /* inside prepare/finish* block */ | |
520 | jit_uint32_t realize : 1; /* jit_realize() called? */ | |
521 | jit_uint32_t dataset : 1; /* jit_dataset() called? */ | |
522 | jit_uint32_t done : 1; /* emit state finished */ | |
523 | jit_uint32_t emit : 1; /* emit state entered */ | |
524 | jit_uint32_t again : 1; /* start over emiting function */ | |
525 | jit_uint32_t synth : 8; /* emiting synthesized instructions */ | |
526 | #if DEBUG | |
527 | jit_uint32_t getreg : 1; | |
528 | #endif | |
529 | jit_uint32_t no_data : 1; | |
530 | jit_uint32_t no_note : 1; | |
531 | jit_int32_t reglen; /* number of registers */ | |
532 | jit_regset_t regarg; /* cannot allocate */ | |
533 | jit_regset_t regsav; /* automatic spill only once */ | |
534 | jit_regset_t reglive; /* known live registers at some point */ | |
535 | jit_regset_t regmask; /* register mask to update reglive */ | |
536 | struct { | |
537 | jit_uint8_t *end; | |
538 | } code; | |
539 | struct { | |
540 | jit_uint8_t *ptr; | |
541 | jit_node_t **table; /* very simple hash table */ | |
542 | jit_word_t size; /* number of vectors in table */ | |
543 | jit_word_t count; /* number of hash table entries */ | |
544 | jit_word_t offset; /* offset in bytes in ptr */ | |
545 | } data; | |
546 | jit_node_t **spill; | |
547 | jit_int32_t *gen; /* ssa like "register version" */ | |
548 | jit_value_t *values; /* temporary jit_value_t vector */ | |
549 | struct { | |
550 | jit_block_t *ptr; | |
551 | jit_word_t offset; | |
552 | jit_word_t length; | |
553 | } blocks; /* basic blocks */ | |
554 | struct { | |
555 | jit_patch_t *ptr; | |
556 | jit_word_t offset; | |
557 | jit_word_t length; | |
558 | } patches; /* forward patch information */ | |
559 | jit_function_t *function; /* current function */ | |
560 | struct { | |
561 | jit_function_t *ptr; | |
562 | jit_word_t offset; | |
563 | jit_word_t length; | |
564 | } functions; /* prolog/epilogue offsets in code */ | |
565 | struct { | |
566 | jit_node_t **ptr; | |
567 | jit_word_t offset; | |
568 | jit_word_t length; | |
569 | } pool; | |
570 | jit_node_t *list; | |
571 | struct { | |
572 | jit_node_t *head; /* first note node */ | |
573 | jit_node_t *tail; /* linked list insertion */ | |
574 | /* fields to store temporary state information */ | |
575 | jit_word_t size; | |
576 | jit_node_t *name; | |
577 | jit_node_t *note; | |
578 | jit_uint8_t *base; | |
579 | } note; | |
580 | #if __arm__ | |
581 | /* prevent using thumb instructions that set flags? */ | |
582 | jit_uint32_t no_set_flags : 1; | |
583 | # if DISASSEMBLER | |
584 | struct { | |
585 | jit_data_info_t *ptr; | |
586 | jit_word_t offset; | |
587 | jit_word_t length; | |
588 | } data_info; /* constant pools information */ | |
589 | # endif | |
590 | /* Note that this field is somewhat hackish, but required by most | |
591 | * ways to implement jit, unless implementing a pure one function | |
592 | * per jit, as most times it needs to start the jit buffer with a | |
593 | * jump where the "main" prolog starts, and because the initial | |
594 | * code is in "arm mode", need to make an "arm mode" patch on that | |
595 | * jump. A good example is the test suite assembler, where most | |
596 | * test cases start with a "jmpi main" call. */ | |
597 | jit_uword_t thumb; | |
598 | struct { | |
599 | jit_uint8_t *data; /* pointer to code */ | |
600 | jit_word_t size; /* size data */ | |
601 | jit_word_t offset; /* pending patches */ | |
602 | jit_word_t length; /* number of pending constants */ | |
603 | jit_int32_t values[1024]; /* pending constants */ | |
604 | jit_word_t patches[2048]; | |
605 | } consts; | |
606 | #elif (__powerpc__ && _CALL_AIXDESC) || __ia64__ | |
607 | /* Keep track of prolog addresses, just for the sake of making | |
608 | * jit that starts with a jump to a "main" label work like other | |
609 | * backends. */ | |
610 | struct { | |
611 | jit_word_t *ptr; | |
612 | jit_word_t offset; | |
613 | jit_word_t length; | |
614 | } prolog; | |
615 | jit_bool_t jump; | |
c0c16242 PC |
616 | #elif __riscv && __WORDSIZE == 64 |
617 | struct { | |
618 | /* Hash table for constants to be resolved and patched */ | |
619 | struct { | |
620 | jit_const_t **table; /* very simple hash table */ | |
621 | jit_word_t size; /* number of vectors in table */ | |
622 | jit_word_t count; /* number of distinct entries */ | |
623 | } hash; | |
624 | struct { | |
625 | jit_const_t **ptr; /* keep a single pointer */ | |
626 | jit_const_t *list; /* free list */ | |
627 | jit_word_t length; /* length of pool */ | |
628 | } pool; | |
629 | /* Linear list for constants that cannot be encoded easily */ | |
630 | struct { | |
631 | jit_word_t *instrs; /* list of direct movi instructions */ | |
632 | jit_word_t *values; /* list of direct movi constants */ | |
633 | jit_word_t offset; /* offset in instrs/values vector */ | |
634 | jit_word_t length; /* length of instrs/values vector */ | |
635 | } vector; | |
636 | } consts; | |
4a71579b PC |
637 | #endif |
638 | #if GET_JIT_SIZE | |
639 | /* Temporary storage to calculate instructions length */ | |
640 | jit_word_t size; | |
641 | /* Global flag for code buffer heuristic size computation */ | |
642 | jit_word_t mult; | |
643 | /* Pointer to code to prevent miscalculation if reallocating buffer */ | |
644 | jit_uint8_t *cptr; | |
645 | #endif | |
646 | }; | |
647 | ||
648 | #define _jitc _jit->comp | |
649 | struct jit_state { | |
650 | union { | |
651 | jit_uint8_t *uc; | |
652 | jit_uint16_t *us; | |
653 | jit_uint32_t *ui; | |
654 | jit_uint64_t *ul; | |
655 | jit_word_t w; | |
656 | } pc; | |
657 | struct { | |
658 | jit_uint8_t *ptr; | |
659 | jit_word_t length; | |
660 | } code; | |
661 | struct { | |
662 | jit_uint8_t *ptr; | |
663 | jit_word_t length; | |
664 | } data; | |
665 | struct { | |
666 | jit_note_t *ptr; | |
667 | jit_word_t length; | |
668 | } note; | |
669 | jit_compiler_t *comp; | |
670 | /* Flags to know if user did set the code and data buffers */ | |
671 | jit_uint32_t user_code : 1; | |
672 | jit_uint32_t user_data : 1; | |
673 | }; | |
674 | ||
675 | struct jit_register { | |
676 | jit_reg_t spec; | |
677 | char *name; | |
678 | }; | |
679 | ||
680 | /* | |
681 | * Prototypes | |
682 | */ | |
683 | extern void jit_get_cpu(void); | |
684 | ||
685 | #define jit_init() _jit_init(_jit) | |
686 | extern void _jit_init(jit_state_t*); | |
687 | ||
688 | #define jit_synth_inc() _jit_synth_inc(_jit) | |
689 | extern void _jit_synth_inc(jit_state_t*); | |
690 | ||
691 | #define jit_new_node_no_link(u) _jit_new_node_no_link(_jit, u) | |
692 | extern jit_node_t *_jit_new_node_no_link(jit_state_t*, jit_code_t); | |
693 | ||
694 | #define jit_link_node(u) _jit_link_node(_jit, u) | |
695 | extern void _jit_link_node(jit_state_t*, jit_node_t*); | |
696 | ||
697 | #define jit_link_label(l) _jit_link_label(_jit,l) | |
698 | extern void | |
699 | _jit_link_label(jit_state_t*,jit_node_t*); | |
700 | ||
701 | #define jit_synth_dec() _jit_synth_dec(_jit) | |
702 | extern void _jit_synth_dec(jit_state_t*); | |
703 | ||
704 | #define jit_reglive(node) _jit_reglive(_jit, node) | |
705 | extern void | |
706 | _jit_reglive(jit_state_t*, jit_node_t*); | |
707 | ||
708 | #define jit_regarg_set(n,v) _jit_regarg_set(_jit,n,v) | |
709 | extern void | |
710 | _jit_regarg_set(jit_state_t*, jit_node_t*, jit_int32_t); | |
711 | ||
712 | #define jit_regarg_clr(n,v) _jit_regarg_clr(_jit,n,v) | |
713 | extern void | |
714 | _jit_regarg_clr(jit_state_t*, jit_node_t*, jit_int32_t); | |
715 | ||
4a71579b PC |
716 | #define jit_save(reg) _jit_save(_jit, reg) |
717 | extern void | |
718 | _jit_save(jit_state_t*, jit_int32_t); | |
719 | ||
720 | #define jit_load(reg) _jit_load(_jit, reg) | |
721 | extern void | |
722 | _jit_load(jit_state_t*, jit_int32_t); | |
723 | ||
724 | #define jit_trampoline(u,v) _jit_trampoline(_jit, u, v) | |
725 | extern void _jit_trampoline(jit_state_t*, jit_int32_t, jit_bool_t); | |
726 | ||
727 | #define jit_optimize() _jit_optimize(_jit) | |
728 | extern void | |
729 | _jit_optimize(jit_state_t*); | |
730 | ||
731 | #define jit_classify(code) _jit_classify(_jit, code) | |
732 | extern jit_int32_t | |
733 | _jit_classify(jit_state_t*, jit_code_t); | |
734 | ||
735 | #define jit_regarg_p(n, r) _jit_regarg_p(_jit, n, r) | |
736 | extern jit_bool_t | |
737 | _jit_regarg_p(jit_state_t*, jit_node_t*, jit_int32_t); | |
738 | ||
739 | #define emit_code() _emit_code(_jit) | |
740 | extern jit_pointer_t | |
741 | _emit_code(jit_state_t*); | |
742 | ||
743 | extern void | |
744 | jit_flush(void *fptr, void *tptr); | |
745 | ||
746 | #define emit_ldxi(r0, r1, i0) _emit_ldxi(_jit, r0, r1, i0) | |
747 | extern void | |
748 | _emit_ldxi(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); | |
749 | ||
750 | #define emit_stxi(i0, r0, r1) _emit_stxi(_jit, i0, r0, r1) | |
751 | extern void | |
752 | _emit_stxi(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); | |
753 | ||
754 | #define emit_ldxi_d(r0, r1, i0) _emit_ldxi_d(_jit, r0, r1, i0) | |
755 | extern void | |
756 | _emit_ldxi_d(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); | |
757 | ||
758 | #define emit_stxi_d(i0, r0, r1) _emit_stxi_d(_jit, i0, r0, r1) | |
759 | extern void | |
760 | _emit_stxi_d(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); | |
761 | ||
40a44dcb | 762 | extern void jit_init_print(void); |
4a71579b PC |
763 | extern void jit_init_debug(const char*); |
764 | extern void jit_finish_debug(void); | |
765 | ||
766 | extern void jit_init_note(void); | |
767 | extern void jit_finish_note(void); | |
768 | #define jit_set_note(n,u,v,w) _jit_set_note(_jit, n, u, v, w) | |
769 | extern void _jit_set_note(jit_state_t*, jit_note_t*, char*, int, jit_int32_t); | |
770 | #define jit_annotate() _jit_annotate(_jit) | |
771 | extern void _jit_annotate(jit_state_t*); | |
772 | ||
773 | #define jit_print_node(u) _jit_print_node(_jit,u) | |
774 | extern void _jit_print_node(jit_state_t*,jit_node_t*); | |
775 | ||
776 | extern jit_pointer_t jit_memcpy(jit_pointer_t,const void*,jit_word_t); | |
777 | extern jit_pointer_t jit_memmove(jit_pointer_t,const void*,jit_word_t); | |
778 | extern void jit_alloc(jit_pointer_t*, jit_word_t); | |
779 | extern void jit_realloc(jit_pointer_t*, jit_word_t, jit_word_t); | |
780 | void jit_free(jit_pointer_t*); | |
781 | ||
782 | extern void jit_init_size(void); | |
783 | extern void jit_finish_size(void); | |
784 | ||
785 | #if GET_JIT_SIZE | |
786 | # define jit_size_prepare() _jit_size_prepare(_jit) | |
787 | extern void | |
788 | _jit_size_prepare(jit_state_t*); | |
789 | ||
790 | # define jit_size_collect(node) _jit_size_collect(_jit, node) | |
791 | extern void | |
792 | _jit_size_collect(jit_state_t*, jit_node_t*); | |
793 | #else | |
794 | # define jit_get_size() _jit_get_size(_jit) | |
795 | extern jit_word_t | |
796 | _jit_get_size(jit_state_t*); | |
797 | #endif | |
798 | ||
799 | extern jit_word_t | |
800 | jit_get_max_instr(void); | |
801 | ||
802 | /* | |
803 | * Externs | |
804 | */ | |
805 | extern jit_register_t _rvs[]; | |
806 | ||
807 | #endif /* _jit_private_h */ |