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4a71579b PC |
1 | /* |
2 | * Copyright (C) 2013-2019 Free Software Foundation, Inc. | |
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 | #include <lightning.h> | |
21 | #include <lightning/jit_private.h> | |
22 | ||
23 | #define jit_arg_reg_p(i) (i >= 0 && i < 4) | |
24 | ||
25 | #define PROTO 1 | |
26 | # include "jit_hppa-cpu.c" | |
27 | # include "jit_hppa-fpu.c" | |
28 | #undef PROTO | |
29 | ||
30 | /* | |
31 | * Types | |
32 | */ | |
33 | typedef jit_pointer_t jit_va_list; | |
34 | ||
35 | /* | |
36 | * Prototypes | |
37 | */ | |
38 | #define patch(instr, node) _patch(_jit, instr, node) | |
39 | static void _patch(jit_state_t*,jit_word_t,jit_node_t*); | |
40 | ||
41 | /* libgcc */ | |
42 | extern void __clear_cache(void *, void *); | |
43 | ||
44 | /* | |
45 | * Initialization | |
46 | */ | |
47 | jit_register_t _rvs[] = { | |
48 | { 0, "r0" }, /* Zero */ | |
49 | /* Not register starved, so, avoid allocating r1 and rp | |
50 | * due to being implicit target of ADDIL and B,L */ | |
51 | { 1, "r1" }, /* Scratch */ | |
52 | { 2, "rp" }, /* Return Pointer and scratch */ | |
53 | { rc(sav) | 3, "r3" }, | |
54 | { 19, "r19" }, /* Linkage Table */ | |
55 | { rc(gpr) | 20, "r20" }, | |
56 | { rc(gpr) | 21, "r21" }, | |
57 | { rc(gpr) | 22, "r22" }, | |
58 | { rc(gpr) | 29, "ret1" }, | |
59 | { rc(gpr) | 28, "ret0" }, | |
60 | /* JIT_Rx in callee save registers due to need to call | |
61 | * functions to implement some instructions */ | |
62 | /* JIT_R0- JIT_R2 */ | |
63 | { rc(gpr) | rc(sav) | 4, "r4" }, | |
64 | { rc(gpr) | rc(sav) | 5, "r5" }, | |
65 | { rc(gpr) | rc(sav) | 6, "r6" }, | |
66 | /* JIT_V0- JIT_V2 */ | |
67 | { rc(gpr) | rc(sav) | 7, "r7" }, | |
68 | { rc(sav) | rc(sav) | 8, "r8" }, | |
69 | { rc(gpr) | rc(sav) | 9, "r9" }, | |
70 | /* JIT_R3 */ | |
71 | { rc(gpr) | rc(sav) | 10, "r10" }, | |
72 | /* JIT_V3+ */ | |
73 | { rc(gpr) | rc(sav) | 11, "r11" }, | |
74 | { rc(gpr) | rc(sav) | 12, "r12" }, | |
75 | { rc(gpr) | rc(sav) | 13, "r13" }, | |
76 | { rc(gpr) | rc(sav) | 14, "r14" }, | |
77 | { rc(gpr) | rc(sav) | 15, "r15" }, | |
78 | { rc(gpr) | rc(sav) | 16, "r16" }, | |
79 | { rc(gpr) | rc(sav) | 17, "r17" }, | |
80 | { rc(gpr) | rc(sav) | 18, "r18" }, | |
81 | /* Arguments */ | |
82 | { rc(gpr) | rc(arg) | 23, "r23" }, | |
83 | { rc(gpr) | rc(arg) | 24, "r24" }, | |
84 | { rc(gpr) | rc(arg) | 25, "r25" }, | |
85 | { rc(gpr) | rc(arg) | 26, "r26" }, | |
86 | { 27, "dp" }, /* Data Pointer */ | |
87 | { 30, "sp" }, | |
88 | { 31, "r31" }, /* Link Register */ | |
89 | { rc(fpr) | 31, "fr31" }, | |
90 | { rc(fpr) | 30, "fr30" }, | |
91 | { rc(fpr) | 29, "fr29" }, | |
92 | { rc(fpr) | 28, "fr28" }, | |
93 | { rc(fpr) | 27, "fr27" }, | |
94 | { rc(fpr) | 26, "fr26" }, | |
95 | { rc(fpr) | 25, "fr25" }, | |
96 | { rc(fpr) | 24, "fr24" }, | |
97 | { rc(fpr) | 23, "fr23" }, | |
98 | { rc(fpr) | 22, "fr22" }, | |
99 | { rc(fpr) | 11, "fr11" }, | |
100 | { rc(fpr) | 10, "fr10" }, | |
101 | { rc(fpr) | 9, "fr9" }, | |
102 | { rc(fpr) | 8, "fr8" }, | |
103 | /* Arguments */ | |
104 | { rc(fpr) | rc(arg) | 7, "fr7" }, | |
105 | { rc(fpr) | rc(arg) | 6, "fr6" }, | |
106 | { rc(fpr) | rc(arg) | 5, "fr5" }, | |
107 | { rc(fpr) | rc(arg) | 4, "fr4" }, | |
108 | /* Callee Saves */ | |
109 | { rc(fpr) | rc(sav) | 21, "fr21" }, | |
110 | { rc(fpr) | rc(sav) | 20, "fr20" }, | |
111 | { rc(fpr) | rc(sav) | 19, "fr19" }, | |
112 | { rc(fpr) | rc(sav) | 18, "fr18" }, | |
113 | { rc(fpr) | rc(sav) | 17, "fr17" }, | |
114 | { rc(fpr) | rc(sav) | 16, "fr16" }, | |
115 | { rc(fpr) | rc(sav) | 15, "fr15" }, | |
116 | { rc(fpr) | rc(sav) | 14, "fr14" }, | |
117 | { rc(fpr) | rc(sav) | 13, "fr13" }, | |
118 | { rc(fpr) | rc(sav) | 12, "fr12" }, | |
119 | { 0, "fpsr" }, | |
120 | { 1, "fpe2" }, | |
121 | { 2, "fpe4" }, | |
122 | { 3, "fpe6" }, | |
123 | { _NOREG, "<none>" }, | |
124 | }; | |
125 | ||
126 | /* | |
127 | * Implementation | |
128 | */ | |
129 | void | |
130 | jit_get_cpu(void) | |
131 | { | |
132 | /* FIXME Expecting PARISC 2.0, for PARISC 1.0 should not use fr16-fr31 */ | |
133 | } | |
134 | ||
135 | void | |
136 | _jit_init(jit_state_t *_jit) | |
137 | { | |
138 | _jitc->reglen = jit_size(_rvs) - 1; | |
139 | } | |
140 | ||
141 | void | |
142 | _jit_prolog(jit_state_t *_jit) | |
143 | { | |
144 | jit_int32_t offset; | |
145 | ||
146 | if (_jitc->function) | |
147 | jit_epilog(); | |
148 | assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0); | |
149 | jit_regset_set_ui(&_jitc->regsav, 0); | |
150 | offset = _jitc->functions.offset; | |
151 | if (offset >= _jitc->functions.length) { | |
152 | jit_realloc((jit_pointer_t *)&_jitc->functions.ptr, | |
153 | _jitc->functions.length * sizeof(jit_function_t), | |
154 | (_jitc->functions.length + 16) * sizeof(jit_function_t)); | |
155 | _jitc->functions.length += 16; | |
156 | } | |
157 | _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++; | |
158 | _jitc->function->self.size = params_offset; | |
159 | _jitc->function->self.argi = _jitc->function->self.alen = 0; | |
160 | /* float conversion */ | |
161 | _jitc->function->self.aoff = alloca_offset; | |
162 | _jitc->function->self.call = jit_call_default; | |
163 | jit_alloc((jit_pointer_t *)&_jitc->function->regoff, | |
164 | _jitc->reglen * sizeof(jit_int32_t)); | |
165 | ||
166 | /* _no_link here does not mean the jit_link() call can be removed | |
167 | * by rewriting as: | |
168 | * _jitc->function->prolog = jit_new_node(jit_code_prolog); | |
169 | */ | |
170 | _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog); | |
171 | jit_link(_jitc->function->prolog); | |
172 | _jitc->function->prolog->w.w = offset; | |
173 | _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog); | |
174 | /* u: label value | |
175 | * v: offset in blocks vector | |
176 | * w: offset in functions vector | |
177 | */ | |
178 | _jitc->function->epilog->w.w = offset; | |
179 | ||
180 | jit_regset_new(&_jitc->function->regset); | |
181 | } | |
182 | ||
183 | jit_int32_t | |
184 | _jit_allocai(jit_state_t *_jit, jit_int32_t length) | |
185 | { | |
186 | jit_int32_t offset; | |
187 | assert(_jitc->function); | |
188 | switch (length) { | |
189 | case 0: case 1: | |
190 | break; | |
191 | case 2: | |
192 | _jitc->function->self.aoff = (_jitc->function->self.aoff + 1) & -2; | |
193 | break; | |
194 | case 3: case 4: | |
195 | _jitc->function->self.aoff = (_jitc->function->self.aoff + 3) & -4; | |
196 | break; | |
197 | default: | |
198 | _jitc->function->self.aoff = (_jitc->function->self.aoff + 7) & -8; | |
199 | break; | |
200 | } | |
201 | if (!_jitc->realize) { | |
202 | jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length); | |
203 | jit_dec_synth(); | |
204 | } | |
205 | offset = _jitc->function->self.aoff; | |
206 | _jitc->function->self.aoff += length; | |
207 | return (offset); | |
208 | } | |
209 | ||
210 | void | |
211 | _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v) | |
212 | { | |
213 | jit_int32_t reg; | |
214 | assert(_jitc->function); | |
215 | jit_inc_synth_ww(allocar, u, v); | |
216 | if (!_jitc->function->allocar) { | |
217 | _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t)); | |
218 | _jitc->function->allocar = 1; | |
219 | } | |
220 | reg = jit_get_reg(jit_class_gpr); | |
221 | jit_addi(reg, v, 63); | |
222 | jit_andi(reg, reg, -64); | |
223 | jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff); | |
224 | jit_addr(JIT_SP, JIT_SP, reg); | |
225 | jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u); | |
226 | jit_unget_reg(reg); | |
227 | jit_dec_synth(); | |
228 | } | |
229 | ||
230 | void | |
231 | _jit_ret(jit_state_t *_jit) | |
232 | { | |
233 | jit_node_t *instr; | |
234 | assert(_jitc->function); | |
235 | jit_inc_synth(ret); | |
236 | /* jump to epilog */ | |
237 | instr = jit_jmpi(); | |
238 | jit_patch_at(instr, _jitc->function->epilog); | |
239 | jit_dec_synth(); | |
240 | } | |
241 | ||
242 | void | |
243 | _jit_retr(jit_state_t *_jit, jit_int32_t u) | |
244 | { | |
245 | jit_inc_synth_w(retr, u); | |
246 | jit_movr(JIT_RET, u); | |
247 | jit_ret(); | |
248 | jit_dec_synth(); | |
249 | } | |
250 | ||
251 | void | |
252 | _jit_reti(jit_state_t *_jit, jit_word_t u) | |
253 | { | |
254 | jit_inc_synth_w(reti, u); | |
255 | jit_movi(JIT_RET, u); | |
256 | jit_ret(); | |
257 | jit_dec_synth(); | |
258 | } | |
259 | ||
260 | void | |
261 | _jit_retr_f(jit_state_t *_jit, jit_int32_t u) | |
262 | { | |
263 | jit_inc_synth_w(retr_f, u); | |
264 | jit_movr_f(JIT_FRET, u); | |
265 | jit_ret(); | |
266 | jit_dec_synth(); | |
267 | } | |
268 | ||
269 | void | |
270 | _jit_reti_f(jit_state_t *_jit, jit_float32_t u) | |
271 | { | |
272 | jit_inc_synth_f(reti_f, u); | |
273 | jit_movi_f(JIT_FRET, u); | |
274 | jit_ret(); | |
275 | jit_dec_synth(); | |
276 | } | |
277 | ||
278 | void | |
279 | _jit_retr_d(jit_state_t *_jit, jit_int32_t u) | |
280 | { | |
281 | jit_inc_synth_w(retr_d, u); | |
282 | jit_movr_d(JIT_FRET, u); | |
283 | jit_ret(); | |
284 | jit_dec_synth(); | |
285 | } | |
286 | ||
287 | void | |
288 | _jit_reti_d(jit_state_t *_jit, jit_float64_t u) | |
289 | { | |
290 | jit_inc_synth_d(reti_d, u); | |
291 | jit_movi_d(JIT_FRET, u); | |
292 | jit_ret(); | |
293 | jit_dec_synth(); | |
294 | } | |
295 | ||
296 | void | |
297 | _jit_epilog(jit_state_t *_jit) | |
298 | { | |
299 | assert(_jitc->function); | |
300 | assert(_jitc->function->epilog->next == NULL); | |
301 | jit_link(_jitc->function->epilog); | |
302 | _jitc->function = NULL; | |
303 | } | |
304 | ||
305 | jit_bool_t | |
306 | _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u) | |
307 | { | |
308 | assert(u->code == jit_code_arg || | |
309 | u->code == jit_code_arg_f || u->code == jit_code_arg_d); | |
310 | return (jit_arg_reg_p(u->u.w)); | |
311 | } | |
312 | ||
313 | void | |
314 | _jit_ellipsis(jit_state_t *_jit) | |
315 | { | |
316 | jit_inc_synth(ellipsis); | |
317 | if (_jitc->prepare) { | |
318 | jit_link_prepare(); | |
319 | assert(!(_jitc->function->call.call & jit_call_varargs)); | |
320 | _jitc->function->call.call |= jit_call_varargs; | |
321 | } | |
322 | else { | |
323 | jit_link_prolog(); | |
324 | assert(!(_jitc->function->self.call & jit_call_varargs)); | |
325 | _jitc->function->self.call |= jit_call_varargs; | |
326 | ||
327 | _jitc->function->vagp = _jitc->function->self.argi; | |
328 | } | |
329 | jit_dec_synth(); | |
330 | } | |
331 | ||
332 | void | |
333 | _jit_va_push(jit_state_t *_jit, jit_int32_t u) | |
334 | { | |
335 | jit_inc_synth_w(va_push, u); | |
336 | jit_pushargr(u); | |
337 | jit_dec_synth(); | |
338 | } | |
339 | ||
340 | jit_node_t * | |
341 | _jit_arg(jit_state_t *_jit) | |
342 | { | |
343 | jit_node_t *node; | |
344 | jit_int32_t offset; | |
345 | assert(_jitc->function); | |
346 | _jitc->function->self.size -= sizeof(jit_word_t); | |
347 | if (jit_arg_reg_p(_jitc->function->self.argi)) | |
348 | offset = _jitc->function->self.argi++; | |
349 | else | |
350 | offset = _jitc->function->self.size; | |
351 | node = jit_new_node_ww(jit_code_arg, offset, | |
352 | ++_jitc->function->self.argn); | |
353 | jit_link_prolog(); | |
354 | return (node); | |
355 | } | |
356 | ||
357 | jit_node_t * | |
358 | _jit_arg_f(jit_state_t *_jit) | |
359 | { | |
360 | jit_node_t *node; | |
361 | jit_int32_t offset; | |
362 | assert(_jitc->function); | |
363 | _jitc->function->self.size -= sizeof(jit_word_t); | |
364 | if (jit_arg_reg_p(_jitc->function->self.argi)) | |
365 | offset = _jitc->function->self.argi++; | |
366 | else | |
367 | offset = _jitc->function->self.size; | |
368 | node = jit_new_node_ww(jit_code_arg_f, offset, | |
369 | ++_jitc->function->self.argn); | |
370 | jit_link_prolog(); | |
371 | return (node); | |
372 | } | |
373 | ||
374 | jit_node_t * | |
375 | _jit_arg_d(jit_state_t *_jit) | |
376 | { | |
377 | jit_node_t *node; | |
378 | jit_int32_t offset; | |
379 | assert(_jitc->function); | |
380 | if (_jitc->function->self.argi & 1) { | |
381 | ++_jitc->function->self.argi; | |
382 | _jitc->function->self.size -= sizeof(jit_word_t); | |
383 | } | |
384 | _jitc->function->self.size -= sizeof(jit_float64_t); | |
385 | if (jit_arg_reg_p(_jitc->function->self.argi)) { | |
386 | offset = _jitc->function->self.argi + 1; | |
387 | _jitc->function->self.argi += 2; | |
388 | } | |
389 | else { | |
390 | /* "Standard" initial value (-52) is unaligned */ | |
391 | if (_jitc->function->self.size & 7) | |
392 | _jitc->function->self.size -= sizeof(jit_word_t); | |
393 | offset = _jitc->function->self.size; | |
394 | } | |
395 | node = jit_new_node_ww(jit_code_arg_d, offset, | |
396 | ++_jitc->function->self.argn); | |
397 | jit_link_prolog(); | |
398 | return (node); | |
399 | } | |
400 | ||
401 | void | |
402 | _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
403 | { | |
404 | assert(v->code == jit_code_arg); | |
405 | jit_inc_synth_wp(getarg_c, u, v); | |
406 | if (v->u.w >= 0) | |
407 | jit_extr_c(u, _R26 - v->u.w); | |
408 | else | |
409 | jit_ldxi_c(u, JIT_FP, v->u.w + 3); | |
410 | jit_dec_synth(); | |
411 | } | |
412 | ||
413 | void | |
414 | _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
415 | { | |
416 | assert(v->code == jit_code_arg); | |
417 | jit_inc_synth_wp(getarg_uc, u, v); | |
418 | if (v->u.w >= 0) | |
419 | jit_extr_uc(u, _R26 - v->u.w); | |
420 | else | |
421 | jit_ldxi_uc(u, JIT_FP, v->u.w + 3); | |
422 | jit_dec_synth(); | |
423 | } | |
424 | ||
425 | void | |
426 | _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
427 | { | |
428 | assert(v->code == jit_code_arg); | |
429 | jit_inc_synth_wp(getarg_s, u, v); | |
430 | if (v->u.w >= 0) | |
431 | jit_extr_s(u, _R26 - v->u.w); | |
432 | else | |
433 | jit_ldxi_s(u, JIT_FP, v->u.w + 2); | |
434 | jit_dec_synth(); | |
435 | } | |
436 | ||
437 | void | |
438 | _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
439 | { | |
440 | assert(v->code == jit_code_arg); | |
441 | jit_inc_synth_wp(getarg_us, u, v); | |
442 | if (v->u.w >= 0) | |
443 | jit_extr_us(u, _R26 - v->u.w); | |
444 | else | |
445 | jit_ldxi_us(u, JIT_FP, v->u.w + 2); | |
446 | jit_dec_synth(); | |
447 | } | |
448 | ||
449 | void | |
450 | _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
451 | { | |
452 | assert(v->code == jit_code_arg); | |
453 | jit_inc_synth_wp(getarg_i, u, v); | |
454 | if (v->u.w >= 0) | |
455 | jit_movr(u, _R26 - v->u.w); | |
456 | else | |
457 | jit_ldxi_i(u, JIT_FP, v->u.w); | |
458 | jit_dec_synth(); | |
459 | } | |
460 | ||
461 | void | |
462 | _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
463 | { | |
464 | assert(v->code == jit_code_arg); | |
465 | jit_inc_synth_wp(putargr, u, v); | |
466 | if (v->u.w >= 0) | |
467 | jit_movr(_R26 - v->u.w, u); | |
468 | else | |
469 | jit_stxi(v->u.w, JIT_FP, u); | |
470 | jit_dec_synth(); | |
471 | } | |
472 | ||
473 | void | |
474 | _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v) | |
475 | { | |
476 | jit_int32_t regno; | |
477 | assert(v->code == jit_code_arg); | |
478 | jit_inc_synth_wp(putargi, u, v); | |
479 | if (v->u.w >= 0) | |
480 | jit_movi(_R26 - v->u.w, u); | |
481 | else { | |
482 | regno = jit_get_reg(jit_class_gpr); | |
483 | jit_movi(regno, u); | |
484 | jit_stxi(v->u.w, JIT_FP, regno); | |
485 | jit_unget_reg(regno); | |
486 | } | |
487 | jit_dec_synth(); | |
488 | } | |
489 | ||
490 | void | |
491 | _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
492 | { | |
493 | assert(v->code == jit_code_arg_f); | |
494 | jit_inc_synth_wp(getarg_f, u, v); | |
495 | if (v->u.w >= 0) | |
496 | jit_movr_f(u, _F4 - v->u.w); | |
497 | else | |
498 | jit_ldxi_f(u, JIT_FP, v->u.w); | |
499 | jit_dec_synth(); | |
500 | } | |
501 | ||
502 | void | |
503 | _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
504 | { | |
505 | assert(v->code == jit_code_arg_f); | |
506 | jit_inc_synth_wp(putargr_f, u, v); | |
507 | if (v->u.w >= 0) | |
508 | jit_movr_f(_F4 - v->u.w, u); | |
509 | else | |
510 | jit_stxi_f(v->u.w, JIT_FP, u); | |
511 | jit_dec_synth(); | |
512 | } | |
513 | ||
514 | void | |
515 | _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v) | |
516 | { | |
517 | jit_int32_t regno; | |
518 | assert(v->code == jit_code_arg_f); | |
519 | jit_inc_synth_fp(putargi_f, u, v); | |
520 | if (v->u.w >= 0) | |
521 | jit_movi_f(_R26 - v->u.w, u); | |
522 | else { | |
523 | regno = jit_get_reg(jit_class_fpr); | |
524 | jit_movi_f(regno, u); | |
525 | jit_stxi_f(v->u.w, JIT_FP, regno); | |
526 | jit_unget_reg(regno); | |
527 | } | |
528 | jit_dec_synth(); | |
529 | } | |
530 | ||
531 | void | |
532 | _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
533 | { | |
534 | assert(v->code == jit_code_arg_d); | |
535 | jit_inc_synth_wp(getarg_d, u, v); | |
536 | if (v->u.w >= 0) | |
537 | jit_movr_d(u, _F4 - v->u.w); | |
538 | else | |
539 | jit_ldxi_d(u, JIT_FP, v->u.w); | |
540 | jit_dec_synth(); | |
541 | } | |
542 | ||
543 | void | |
544 | _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
545 | { | |
546 | assert(v->code == jit_code_arg_d); | |
547 | jit_inc_synth_wp(putargr_d, u, v); | |
548 | if (v->u.w >= 0) | |
549 | jit_movr_d(_F4 - v->u.w, u); | |
550 | else | |
551 | jit_stxi_d(v->u.w, JIT_FP, u); | |
552 | jit_dec_synth(); | |
553 | } | |
554 | ||
555 | void | |
556 | _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v) | |
557 | { | |
558 | jit_int32_t regno; | |
559 | assert(v->code == jit_code_arg_d); | |
560 | jit_inc_synth_dp(putargi_d, u, v); | |
561 | if (v->u.w >= 0) | |
562 | jit_movi_d(_R26 - v->u.w, u); | |
563 | else { | |
564 | regno = jit_get_reg(jit_class_fpr); | |
565 | jit_movi_d(regno, u); | |
566 | jit_stxi_d(v->u.w, JIT_FP, regno); | |
567 | jit_unget_reg(regno); | |
568 | } | |
569 | jit_dec_synth(); | |
570 | } | |
571 | ||
572 | void | |
573 | _jit_pushargr(jit_state_t *_jit, jit_int32_t u) | |
574 | { | |
575 | assert(_jitc->function); | |
576 | jit_inc_synth_w(pushargr, u); | |
577 | jit_link_prepare(); | |
578 | _jitc->function->call.size -= sizeof(jit_word_t); | |
579 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
580 | jit_movr(_R26 - _jitc->function->call.argi, u); | |
581 | ++_jitc->function->call.argi; | |
582 | } | |
583 | else | |
584 | jit_stxi(_jitc->function->call.size + params_offset, JIT_SP, u); | |
585 | jit_dec_synth(); | |
586 | } | |
587 | ||
588 | void | |
589 | _jit_pushargi(jit_state_t *_jit, jit_word_t u) | |
590 | { | |
591 | jit_int32_t regno; | |
592 | assert(_jitc->function); | |
593 | jit_inc_synth_w(pushargi, u); | |
594 | jit_link_prepare(); | |
595 | _jitc->function->call.size -= sizeof(jit_word_t); | |
596 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
597 | jit_movi(_R26 - _jitc->function->call.argi, u); | |
598 | ++_jitc->function->call.argi; | |
599 | } | |
600 | else { | |
601 | regno = jit_get_reg(jit_class_gpr); | |
602 | jit_movi(regno, u); | |
603 | jit_stxi(_jitc->function->call.size + params_offset, JIT_SP, regno); | |
604 | jit_unget_reg(regno); | |
605 | } | |
606 | jit_dec_synth(); | |
607 | } | |
608 | ||
609 | void | |
610 | _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u) | |
611 | { | |
612 | assert(_jitc->function); | |
613 | jit_inc_synth_w(pushargr_f, u); | |
614 | jit_link_prepare(); | |
615 | _jitc->function->call.size -= sizeof(jit_word_t); | |
616 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
617 | jit_movr_f(_F4 - _jitc->function->call.argi, u); | |
618 | #if !defined(__hpux) | |
619 | /* HP-UX appears to always pass float arguments in gpr registers */ | |
620 | if (_jitc->function->call.call & jit_call_varargs) | |
621 | #endif | |
622 | { | |
623 | jit_stxi_f(alloca_offset - 8, JIT_FP, u); | |
624 | jit_ldxi(_R26 - _jitc->function->call.argi, JIT_FP, | |
625 | alloca_offset - 8); | |
626 | } | |
627 | ++_jitc->function->call.argi; | |
628 | } | |
629 | else | |
630 | jit_stxi_f(_jitc->function->call.size + params_offset, JIT_SP, u); | |
631 | jit_dec_synth(); | |
632 | } | |
633 | ||
634 | void | |
635 | _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u) | |
636 | { | |
637 | jit_int32_t regno; | |
638 | assert(_jitc->function); | |
639 | jit_inc_synth_f(pushargi_f, u); | |
640 | jit_link_prepare(); | |
641 | _jitc->function->call.size -= sizeof(jit_word_t); | |
642 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
643 | jit_movi_f(_F4 - _jitc->function->call.argi, u); | |
644 | #if !defined(__hpux) | |
645 | /* HP-UX appears to always pass float arguments in gpr registers */ | |
646 | if (_jitc->function->call.call & jit_call_varargs) | |
647 | #endif | |
648 | { | |
649 | jit_stxi_f(alloca_offset - 8, JIT_FP, | |
650 | _F4 - _jitc->function->call.argi); | |
651 | jit_ldxi(_R26 - _jitc->function->call.argi, | |
652 | JIT_FP, alloca_offset - 8); | |
653 | } | |
654 | ++_jitc->function->call.argi; | |
655 | } | |
656 | else { | |
657 | regno = jit_get_reg(jit_class_fpr); | |
658 | jit_movi_f(regno, u); | |
659 | jit_stxi_f(_jitc->function->call.size + params_offset, JIT_SP, regno); | |
660 | jit_unget_reg(regno); | |
661 | } | |
662 | jit_dec_synth(); | |
663 | } | |
664 | ||
665 | void | |
666 | _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u) | |
667 | { | |
668 | assert(_jitc->function); | |
669 | jit_inc_synth_w(pushargr_d, u); | |
670 | jit_link_prepare(); | |
671 | _jitc->function->call.size -= sizeof(jit_float64_t); | |
672 | if (_jitc->function->call.argi & 1) { | |
673 | ++_jitc->function->call.argi; | |
674 | _jitc->function->call.size -= sizeof(jit_word_t); | |
675 | } | |
676 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
677 | jit_movr_d(_F4 - (_jitc->function->call.argi + 1), u); | |
678 | #if !defined(__hpux) | |
679 | /* HP-UX appears to always pass float arguments in gpr registers */ | |
680 | if (_jitc->function->call.call & jit_call_varargs) | |
681 | #endif | |
682 | { | |
683 | jit_stxi_d(alloca_offset - 8, JIT_FP, u); | |
684 | jit_ldxi(_R26 - _jitc->function->call.argi, | |
685 | JIT_FP, alloca_offset - 4); | |
686 | jit_ldxi(_R25 - _jitc->function->call.argi, | |
687 | JIT_FP, alloca_offset - 8); | |
688 | } | |
689 | _jitc->function->call.argi += 2; | |
690 | } | |
691 | else { | |
692 | /* "Standard" initial value (-52) is unaligned */ | |
693 | if ((_jitc->function->call.size + params_offset) & 7) | |
694 | _jitc->function->call.size -= sizeof(jit_word_t); | |
695 | jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, u); | |
696 | } | |
697 | jit_dec_synth(); | |
698 | } | |
699 | ||
700 | void | |
701 | _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u) | |
702 | { | |
703 | jit_int32_t regno; | |
704 | assert(_jitc->function); | |
705 | jit_inc_synth_d(pushargi_d, u); | |
706 | jit_link_prepare(); | |
707 | _jitc->function->call.size -= sizeof(jit_float64_t); | |
708 | if (_jitc->function->call.argi & 1) { | |
709 | ++_jitc->function->call.argi; | |
710 | _jitc->function->call.size -= sizeof(jit_word_t); | |
711 | } | |
712 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
713 | jit_movi_d(_F4 - (_jitc->function->call.argi + 1), u); | |
714 | #if !defined(__hpux) | |
715 | /* HP-UX appears to always pass float arguments in gpr registers */ | |
716 | if (_jitc->function->call.call & jit_call_varargs) | |
717 | #endif | |
718 | { | |
719 | jit_stxi_d(alloca_offset - 8, JIT_FP, | |
720 | _F4 - (_jitc->function->call.argi + 1)); | |
721 | jit_ldxi(_R26 - _jitc->function->call.argi, | |
722 | JIT_FP, alloca_offset - 4); | |
723 | jit_ldxi(_R25 - _jitc->function->call.argi, | |
724 | JIT_FP, alloca_offset - 8); | |
725 | } | |
726 | _jitc->function->call.argi += 2; | |
727 | } | |
728 | else { | |
729 | regno = jit_get_reg(jit_class_fpr); | |
730 | jit_movi_d(regno, u); | |
731 | if ((_jitc->function->call.size + params_offset) & 7) | |
732 | _jitc->function->call.size -= sizeof(jit_word_t); | |
733 | jit_stxi_d(_jitc->function->call.size + params_offset, JIT_SP, regno); | |
734 | jit_unget_reg(regno); | |
735 | } | |
736 | jit_dec_synth(); | |
737 | } | |
738 | ||
739 | jit_bool_t | |
740 | _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno) | |
741 | { | |
742 | jit_int32_t spec; | |
743 | spec = jit_class(_rvs[regno].spec); | |
744 | if (spec & jit_class_arg) { | |
745 | if (spec & jit_class_gpr) { | |
746 | regno -= _R23; | |
747 | if (regno >= 0 && regno < node->v.w) | |
748 | return (1); | |
749 | } | |
750 | else if (spec & jit_class_fpr) { | |
751 | regno = _F4 - regno; | |
752 | if (regno >= 0 && regno < node->w.w) | |
753 | return (1); | |
754 | } | |
755 | } | |
756 | return (0); | |
757 | } | |
758 | ||
759 | void | |
760 | _jit_finishr(jit_state_t *_jit, jit_int32_t r0) | |
761 | { | |
762 | jit_node_t *call; | |
763 | assert(_jitc->function); | |
764 | jit_inc_synth_w(finishr, r0); | |
765 | if (_jitc->function->self.alen > _jitc->function->call.size) | |
766 | _jitc->function->self.alen = _jitc->function->call.size; | |
767 | call = jit_callr(r0); | |
768 | call->v.w = call->w.w = _jitc->function->call.argi; | |
769 | _jitc->function->call.argi = _jitc->function->call.size = 0; | |
770 | _jitc->prepare = 0; | |
771 | jit_dec_synth(); | |
772 | } | |
773 | ||
774 | jit_node_t * | |
775 | _jit_finishi(jit_state_t *_jit, jit_pointer_t i0) | |
776 | { | |
777 | jit_node_t *node; | |
778 | assert(_jitc->function); | |
779 | jit_inc_synth_w(finishi, (jit_word_t)i0); | |
780 | if (_jitc->function->self.alen > _jitc->function->call.size) | |
781 | _jitc->function->self.alen = _jitc->function->call.size; | |
782 | node = jit_calli(i0); | |
783 | node->v.w = node->w.w = _jitc->function->call.argi; | |
784 | _jitc->function->call.argi = _jitc->function->call.size = 0; | |
785 | _jitc->prepare = 0; | |
786 | jit_dec_synth(); | |
787 | return (node); | |
788 | } | |
789 | ||
790 | void | |
791 | _jit_retval_c(jit_state_t *_jit, jit_int32_t r0) | |
792 | { | |
793 | jit_inc_synth_w(retval_c, r0); | |
794 | jit_extr_c(r0, JIT_RET); | |
795 | jit_dec_synth(); | |
796 | } | |
797 | ||
798 | void | |
799 | _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0) | |
800 | { | |
801 | jit_inc_synth_w(retval_uc, r0); | |
802 | jit_extr_uc(r0, JIT_RET); | |
803 | jit_dec_synth(); | |
804 | } | |
805 | ||
806 | void | |
807 | _jit_retval_s(jit_state_t *_jit, jit_int32_t r0) | |
808 | { | |
809 | jit_inc_synth_w(retval_s, r0); | |
810 | jit_extr_s(r0, JIT_RET); | |
811 | jit_dec_synth(); | |
812 | } | |
813 | ||
814 | void | |
815 | _jit_retval_us(jit_state_t *_jit, jit_int32_t r0) | |
816 | { | |
817 | jit_inc_synth_w(retval_us, r0); | |
818 | jit_extr_us(r0, JIT_RET); | |
819 | jit_dec_synth(); | |
820 | } | |
821 | ||
822 | void | |
823 | _jit_retval_i(jit_state_t *_jit, jit_int32_t r0) | |
824 | { | |
825 | jit_inc_synth_w(retval_i, r0); | |
826 | jit_movr(r0, JIT_RET); | |
827 | jit_dec_synth(); | |
828 | } | |
829 | ||
830 | void | |
831 | _jit_retval_f(jit_state_t *_jit, jit_int32_t r0) | |
832 | { | |
833 | jit_inc_synth_w(retval_f, r0); | |
834 | jit_movr_f(r0, JIT_FRET); | |
835 | jit_dec_synth(); | |
836 | } | |
837 | ||
838 | void | |
839 | _jit_retval_d(jit_state_t *_jit, jit_int32_t r0) | |
840 | { | |
841 | jit_inc_synth_w(retval_d, r0); | |
842 | jit_movr_d(r0, JIT_FRET); | |
843 | jit_dec_synth(); | |
844 | } | |
845 | ||
846 | jit_pointer_t | |
847 | _emit_code(jit_state_t *_jit) | |
848 | { | |
849 | jit_node_t *node; | |
850 | jit_node_t *temp; | |
851 | jit_word_t word; | |
852 | jit_int32_t value; | |
853 | jit_int32_t offset; | |
854 | struct { | |
855 | jit_node_t *node; | |
856 | jit_word_t word; | |
857 | #if DEVEL_DISASSEMBLER | |
858 | jit_word_t prevw; | |
859 | #endif | |
860 | jit_int32_t patch_offset; | |
861 | } undo; | |
862 | #if DEVEL_DISASSEMBLER | |
863 | jit_word_t prevw; | |
864 | #endif | |
865 | ||
866 | _jitc->function = NULL; | |
867 | ||
868 | jit_reglive_setup(); | |
869 | ||
870 | undo.word = 0; | |
871 | undo.node = NULL; | |
872 | undo.patch_offset = 0; | |
873 | ||
874 | #define case_rr(name, type) \ | |
875 | case jit_code_##name##r##type: \ | |
876 | name##r##type(rn(node->u.w), rn(node->v.w)); \ | |
877 | break | |
878 | #define case_rw(name, type) \ | |
879 | case jit_code_##name##i##type: \ | |
880 | name##i##type(rn(node->u.w), node->v.w); \ | |
881 | break | |
882 | #define case_wr(name, type) \ | |
883 | case jit_code_##name##i##type: \ | |
884 | name##i##type(node->u.w, rn(node->v.w)); \ | |
885 | break | |
886 | #define case_rrr(name, type) \ | |
887 | case jit_code_##name##r##type: \ | |
888 | name##r##type(rn(node->u.w), \ | |
889 | rn(node->v.w), rn(node->w.w)); \ | |
890 | break | |
891 | #define case_rrrr(name, type) \ | |
892 | case jit_code_##name##r##type: \ | |
893 | name##r##type(rn(node->u.q.l), rn(node->u.q.h), \ | |
894 | rn(node->v.w), rn(node->w.w)); \ | |
895 | break | |
896 | #define case_rrw(name, type) \ | |
897 | case jit_code_##name##i##type: \ | |
898 | name##i##type(rn(node->u.w),rn(node->v.w), node->w.w); \ | |
899 | break | |
900 | #define case_rrrw(name, type) \ | |
901 | case jit_code_##name##i##type: \ | |
902 | name##i##type(rn(node->u.q.l), rn(node->u.q.h), \ | |
903 | rn(node->v.w), node->w.w); \ | |
904 | break | |
905 | #define case_rrf(name, type, size) \ | |
906 | case jit_code_##name##i##type: \ | |
907 | assert(node->flag & jit_flag_data); \ | |
908 | name##i##type(rn(node->u.w), rn(node->v.w), \ | |
909 | (jit_float##size##_t *)node->w.n->u.w); \ | |
910 | break | |
911 | #define case_wrr(name, type) \ | |
912 | case jit_code_##name##i##type: \ | |
913 | name##i##type(node->u.w,rn(node->v.w), rn(node->w.w)); \ | |
914 | break | |
915 | #define case_brr(name, type) \ | |
916 | case jit_code_##name##r##type: \ | |
917 | temp = node->u.n; \ | |
918 | assert(temp->code == jit_code_label || \ | |
919 | temp->code == jit_code_epilog); \ | |
920 | if (temp->flag & jit_flag_patch) \ | |
921 | name##r##type(temp->u.w, rn(node->v.w), \ | |
922 | rn(node->w.w)); \ | |
923 | else { \ | |
924 | word = name##r##type(_jit->pc.w, \ | |
925 | rn(node->v.w), rn(node->w.w)); \ | |
926 | patch(word, node); \ | |
927 | } \ | |
928 | break | |
929 | #define case_brw(name, type) \ | |
930 | case jit_code_##name##i##type: \ | |
931 | temp = node->u.n; \ | |
932 | assert(temp->code == jit_code_label || \ | |
933 | temp->code == jit_code_epilog); \ | |
934 | if (temp->flag & jit_flag_patch) \ | |
935 | name##i##type(temp->u.w, \ | |
936 | rn(node->v.w), node->w.w); \ | |
937 | else { \ | |
938 | word = name##i##type(_jit->pc.w, \ | |
939 | rn(node->v.w), node->w.w); \ | |
940 | patch(word, node); \ | |
941 | } \ | |
942 | break | |
943 | #define case_brf(name, type, size) \ | |
944 | case jit_code_##name##i##type: \ | |
945 | temp = node->u.n; \ | |
946 | assert(temp->code == jit_code_label || \ | |
947 | temp->code == jit_code_epilog); \ | |
948 | if (temp->flag & jit_flag_patch) \ | |
949 | name##i##type(temp->u.w, rn(node->v.w), \ | |
950 | (jit_float##size##_t *)node->w.n->u.w); \ | |
951 | else { \ | |
952 | word = name##i##type(_jit->pc.w, rn(node->v.w), \ | |
953 | (jit_float##size##_t *)node->w.n->u.w); \ | |
954 | patch(word, node); \ | |
955 | } \ | |
956 | break | |
957 | #if DEVEL_DISASSEMBLER | |
958 | prevw = _jit->pc.w; | |
959 | #endif | |
960 | for (node = _jitc->head; node; node = node->next) { | |
961 | if (_jit->pc.uc >= _jitc->code.end) | |
962 | return (NULL); | |
963 | ||
964 | #if DEVEL_DISASSEMBLER | |
965 | node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw; | |
966 | prevw = _jit->pc.w; | |
967 | #endif | |
968 | value = jit_classify(node->code); | |
969 | jit_regarg_set(node, value); | |
970 | switch (node->code) { | |
971 | case jit_code_align: | |
972 | assert(!(node->u.w & (node->u.w - 1)) && | |
973 | node->u.w <= sizeof(jit_word_t)); | |
974 | if (node->u.w == sizeof(jit_word_t) && | |
975 | (word = _jit->pc.w & (sizeof(jit_word_t) - 1))) | |
976 | nop(sizeof(jit_word_t) - word); | |
977 | break; | |
978 | case jit_code_note: case jit_code_name: | |
979 | node->u.w = _jit->pc.w; | |
980 | break; | |
981 | case jit_code_label: | |
982 | /* remember label is defined */ | |
983 | node->flag |= jit_flag_patch; | |
984 | node->u.w = _jit->pc.w; | |
985 | break; | |
986 | case_rrr(add,); | |
987 | case_rrw(add,); | |
988 | case_rrr(addc,); | |
989 | case_rrw(addc,); | |
990 | case_rrr(addx,); | |
991 | case_rrw(addx,); | |
992 | case_rrr(sub,); | |
993 | case_rrw(sub,); | |
994 | case_rrr(subc,); | |
995 | case_rrw(subc,); | |
996 | case_rrr(subx,); | |
997 | case_rrw(subx,); | |
998 | case_rrw(rsb,); | |
999 | case_rrr(mul,); | |
1000 | case_rrw(mul,); | |
1001 | case_rrrr(qmul,); | |
1002 | case_rrrw(qmul,); | |
1003 | case_rrrr(qmul, _u); | |
1004 | case_rrrw(qmul, _u); | |
1005 | case_rrr(div,); | |
1006 | case_rrw(div,); | |
1007 | case_rrr(div, _u); | |
1008 | case_rrw(div, _u); | |
1009 | case_rrr(rem,); | |
1010 | case_rrw(rem,); | |
1011 | case_rrr(rem, _u); | |
1012 | case_rrw(rem, _u); | |
1013 | case_rrrr(qdiv,); | |
1014 | case_rrrw(qdiv,); | |
1015 | case_rrrr(qdiv, _u); | |
1016 | case_rrrw(qdiv, _u); | |
1017 | case_rrr(and,); | |
1018 | case_rrw(and,); | |
1019 | case_rrr(or,); | |
1020 | case_rrw(or,); | |
1021 | case_rrr(xor,); | |
1022 | case_rrw(xor,); | |
1023 | case_rrr(lsh,); | |
1024 | case_rrw(lsh,); | |
1025 | case_rrr(rsh,); | |
1026 | case_rrw(rsh,); | |
1027 | case_rrr(rsh, _u); | |
1028 | case_rrw(rsh, _u); | |
1029 | case_rr(mov,); | |
1030 | case jit_code_movi: | |
1031 | if (node->flag & jit_flag_node) { | |
1032 | temp = node->v.n; | |
1033 | if (temp->code == jit_code_data || | |
1034 | (temp->code == jit_code_label && | |
1035 | (temp->flag & jit_flag_patch))) | |
1036 | movi(rn(node->u.w), temp->u.w); | |
1037 | else { | |
1038 | assert(temp->code == jit_code_label || | |
1039 | temp->code == jit_code_epilog); | |
1040 | word = movi_p(rn(node->u.w), node->v.w); | |
1041 | patch(word, node); | |
1042 | } | |
1043 | } | |
1044 | else | |
1045 | movi(rn(node->u.w), node->v.w); | |
1046 | break; | |
1047 | case_rr(neg,); | |
1048 | case_rr(com,); | |
1049 | case_rr(ext, _c); | |
1050 | case_rr(ext, _uc); | |
1051 | case_rr(ext, _s); | |
1052 | case_rr(ext, _us); | |
1053 | case_rr(hton, _us); | |
1054 | case_rr(hton, _ui); | |
1055 | case_rrr(lt,); | |
1056 | case_rrw(lt,); | |
1057 | case_rrr(lt, _u); | |
1058 | case_rrw(lt, _u); | |
1059 | case_rrr(le,); | |
1060 | case_rrw(le,); | |
1061 | case_rrr(le, _u); | |
1062 | case_rrw(le, _u); | |
1063 | case_rrr(eq,); | |
1064 | case_rrw(eq,); | |
1065 | case_rrr(ge,); | |
1066 | case_rrw(ge,); | |
1067 | case_rrr(ge, _u); | |
1068 | case_rrw(ge, _u); | |
1069 | case_rrr(gt,); | |
1070 | case_rrw(gt,); | |
1071 | case_rrr(gt, _u); | |
1072 | case_rrw(gt, _u); | |
1073 | case_rrr(ne,); | |
1074 | case_rrw(ne,); | |
1075 | case_rr(ld, _c); | |
1076 | case_rw(ld, _c); | |
1077 | case_rr(ld, _uc); | |
1078 | case_rw(ld, _uc); | |
1079 | case_rr(ld, _s); | |
1080 | case_rw(ld, _s); | |
1081 | case_rr(ld, _us); | |
1082 | case_rw(ld, _us); | |
1083 | case_rr(ld, _i); | |
1084 | case_rw(ld, _i); | |
1085 | case_rrr(ldx, _c); | |
1086 | case_rrw(ldx, _c); | |
1087 | case_rrr(ldx, _uc); | |
1088 | case_rrw(ldx, _uc); | |
1089 | case_rrr(ldx, _s); | |
1090 | case_rrw(ldx, _s); | |
1091 | case_rrr(ldx, _us); | |
1092 | case_rrw(ldx, _us); | |
1093 | case_rrr(ldx, _i); | |
1094 | case_rrw(ldx, _i); | |
1095 | case_rr(st, _c); | |
1096 | case_wr(st, _c); | |
1097 | case_rr(st, _s); | |
1098 | case_wr(st, _s); | |
1099 | case_rr(st, _i); | |
1100 | case_wr(st, _i); | |
1101 | case_rrr(stx, _c); | |
1102 | case_wrr(stx, _c); | |
1103 | case_rrr(stx, _s); | |
1104 | case_wrr(stx, _s); | |
1105 | case_rrr(stx, _i); | |
1106 | case_wrr(stx, _i); | |
1107 | case_brr(blt,); | |
1108 | case_brw(blt,); | |
1109 | case_brr(blt, _u); | |
1110 | case_brw(blt, _u); | |
1111 | case_brr(ble,); | |
1112 | case_brw(ble,); | |
1113 | case_brr(ble, _u); | |
1114 | case_brw(ble, _u); | |
1115 | case_brr(beq,); | |
1116 | case_brw(beq,); | |
1117 | case_brr(bge,); | |
1118 | case_brw(bge,); | |
1119 | case_brr(bge, _u); | |
1120 | case_brw(bge, _u); | |
1121 | case_brr(bgt,); | |
1122 | case_brw(bgt,); | |
1123 | case_brr(bgt, _u); | |
1124 | case_brw(bgt, _u); | |
1125 | case_brr(bne,); | |
1126 | case_brw(bne,); | |
1127 | case_brr(bms,); | |
1128 | case_brw(bms,); | |
1129 | case_brr(bmc,); | |
1130 | case_brw(bmc,); | |
1131 | case_brr(boadd,); | |
1132 | case_brw(boadd,); | |
1133 | case_brr(boadd, _u); | |
1134 | case_brw(boadd, _u); | |
1135 | case_brr(bxadd,); | |
1136 | case_brw(bxadd,); | |
1137 | case_brr(bxadd, _u); | |
1138 | case_brw(bxadd, _u); | |
1139 | case_brr(bosub,); | |
1140 | case_brw(bosub,); | |
1141 | case_brr(bosub, _u); | |
1142 | case_brw(bosub, _u); | |
1143 | case_brr(bxsub,); | |
1144 | case_brw(bxsub,); | |
1145 | case_brr(bxsub, _u); | |
1146 | case_brw(bxsub, _u); | |
1147 | case_rr(mov, _f); | |
1148 | case jit_code_movi_f: | |
1149 | assert(node->flag & jit_flag_data); | |
1150 | movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w); | |
1151 | break; | |
1152 | case_rr(mov, _d); | |
1153 | case jit_code_movi_d: | |
1154 | assert(node->flag & jit_flag_data); | |
1155 | movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w); | |
1156 | break; | |
1157 | case_rr(trunc, _f_i); | |
1158 | case_rr(trunc, _d_i); | |
1159 | case_rr(ext, _f); | |
1160 | case_rr(ext, _d); | |
1161 | case_rr(ext, _d_f); | |
1162 | case_rr(ext, _f_d); | |
1163 | case_rr(abs, _f); | |
1164 | case_rr(abs, _d); | |
1165 | case_rr(neg, _f); | |
1166 | case_rr(neg, _d); | |
1167 | case_rr(sqrt, _f); | |
1168 | case_rr(sqrt, _d); | |
1169 | case_rrr(add, _f); | |
1170 | case_rrf(add, _f, 32); | |
1171 | case_rrr(add, _d); | |
1172 | case_rrf(add, _d, 64); | |
1173 | case_rrr(sub, _f); | |
1174 | case_rrf(sub, _f, 32); | |
1175 | case_rrf(rsb, _f, 32); | |
1176 | case_rrr(sub, _d); | |
1177 | case_rrf(sub, _d, 64); | |
1178 | case_rrf(rsb, _d, 64); | |
1179 | case_rrr(mul, _f); | |
1180 | case_rrf(mul, _f, 32); | |
1181 | case_rrr(mul, _d); | |
1182 | case_rrf(mul, _d, 64); | |
1183 | case_rrr(div, _f); | |
1184 | case_rrf(div, _f, 32); | |
1185 | case_rrr(div, _d); | |
1186 | case_rrf(div, _d, 64); | |
1187 | case_rrr(lt, _f); | |
1188 | case_rrf(lt, _f, 32); | |
1189 | case_rrr(lt, _d); | |
1190 | case_rrf(lt, _d, 64); | |
1191 | case_rrr(le, _f); | |
1192 | case_rrf(le, _f, 32); | |
1193 | case_rrr(le, _d); | |
1194 | case_rrf(le, _d, 64); | |
1195 | case_rrr(eq, _f); | |
1196 | case_rrf(eq, _f, 32); | |
1197 | case_rrr(eq, _d); | |
1198 | case_rrf(eq, _d, 64); | |
1199 | case_rrr(ge, _f); | |
1200 | case_rrf(ge, _f, 32); | |
1201 | case_rrr(ge, _d); | |
1202 | case_rrf(ge, _d, 64); | |
1203 | case_rrr(gt, _f); | |
1204 | case_rrf(gt, _f, 32); | |
1205 | case_rrr(gt, _d); | |
1206 | case_rrf(gt, _d, 64); | |
1207 | case_rrr(ne, _f); | |
1208 | case_rrf(ne, _f, 32); | |
1209 | case_rrr(ne, _d); | |
1210 | case_rrf(ne, _d, 64); | |
1211 | case_rrr(unlt, _f); | |
1212 | case_rrf(unlt, _f, 32); | |
1213 | case_rrr(unlt, _d); | |
1214 | case_rrf(unlt, _d, 64); | |
1215 | case_rrr(unle, _f); | |
1216 | case_rrf(unle, _f, 32); | |
1217 | case_rrr(unle, _d); | |
1218 | case_rrf(unle, _d, 64); | |
1219 | case_rrr(uneq, _f); | |
1220 | case_rrf(uneq, _f, 32); | |
1221 | case_rrr(uneq, _d); | |
1222 | case_rrf(uneq, _d, 64); | |
1223 | case_rrr(unge, _f); | |
1224 | case_rrf(unge, _f, 32); | |
1225 | case_rrr(unge, _d); | |
1226 | case_rrf(unge, _d, 64); | |
1227 | case_rrr(ungt, _f); | |
1228 | case_rrf(ungt, _f, 32); | |
1229 | case_rrr(ungt, _d); | |
1230 | case_rrf(ungt, _d, 64); | |
1231 | case_rrr(ltgt, _f); | |
1232 | case_rrf(ltgt, _f, 32); | |
1233 | case_rrr(ltgt, _d); | |
1234 | case_rrf(ltgt, _d, 64); | |
1235 | case_rrr(ord, _f); | |
1236 | case_rrf(ord, _f, 32); | |
1237 | case_rrr(ord, _d); | |
1238 | case_rrf(ord, _d, 64); | |
1239 | case_rrr(unord, _f); | |
1240 | case_rrf(unord, _f, 32); | |
1241 | case_rrr(unord, _d); | |
1242 | case_rrf(unord, _d, 64); | |
1243 | case_rr(ld, _f); | |
1244 | case_rw(ld, _f); | |
1245 | case_rr(ld, _d); | |
1246 | case_rw(ld, _d); | |
1247 | case_rrr(ldx, _f); | |
1248 | case_rrw(ldx, _f); | |
1249 | case_rrr(ldx, _d); | |
1250 | case_rrw(ldx, _d); | |
1251 | case_rr(st, _f); | |
1252 | case_wr(st, _f); | |
1253 | case_rr(st, _d); | |
1254 | case_wr(st, _d); | |
1255 | case_rrr(stx, _f); | |
1256 | case_wrr(stx, _f); | |
1257 | case_rrr(stx, _d); | |
1258 | case_wrr(stx, _d); | |
1259 | case_brr(blt, _f); | |
1260 | case_brf(blt, _f, 32); | |
1261 | case_brr(blt, _d); | |
1262 | case_brf(blt, _d, 64); | |
1263 | case_brr(ble, _f); | |
1264 | case_brf(ble, _f, 32); | |
1265 | case_brr(ble, _d); | |
1266 | case_brf(ble, _d, 64); | |
1267 | case_brr(beq, _f); | |
1268 | case_brf(beq, _f, 32); | |
1269 | case_brr(beq, _d); | |
1270 | case_brf(beq, _d, 64); | |
1271 | case_brr(bge, _f); | |
1272 | case_brf(bge, _f, 32); | |
1273 | case_brr(bge, _d); | |
1274 | case_brf(bge, _d, 64); | |
1275 | case_brr(bgt, _f); | |
1276 | case_brf(bgt, _f, 32); | |
1277 | case_brr(bgt, _d); | |
1278 | case_brf(bgt, _d, 64); | |
1279 | case_brr(bne, _f); | |
1280 | case_brf(bne, _f, 32); | |
1281 | case_brr(bne, _d); | |
1282 | case_brf(bne, _d, 64); | |
1283 | case_brr(bunlt, _f); | |
1284 | case_brf(bunlt, _f, 32); | |
1285 | case_brr(bunlt, _d); | |
1286 | case_brf(bunlt, _d, 64); | |
1287 | case_brr(bunle, _f); | |
1288 | case_brf(bunle, _f, 32); | |
1289 | case_brr(bunle, _d); | |
1290 | case_brf(bunle, _d, 64); | |
1291 | case_brr(buneq, _f); | |
1292 | case_brf(buneq, _f, 32); | |
1293 | case_brr(buneq, _d); | |
1294 | case_brf(buneq, _d, 64); | |
1295 | case_brr(bunge, _f); | |
1296 | case_brf(bunge, _f, 32); | |
1297 | case_brr(bunge, _d); | |
1298 | case_brf(bunge, _d, 64); | |
1299 | case_brr(bungt, _f); | |
1300 | case_brf(bungt, _f, 32); | |
1301 | case_brr(bungt, _d); | |
1302 | case_brf(bungt, _d, 64); | |
1303 | case_brr(bltgt, _f); | |
1304 | case_brf(bltgt, _f, 32); | |
1305 | case_brr(bltgt, _d); | |
1306 | case_brf(bltgt, _d, 64); | |
1307 | case_brr(bord, _f); | |
1308 | case_brf(bord, _f, 32); | |
1309 | case_brr(bord, _d); | |
1310 | case_brf(bord, _d, 64); | |
1311 | case_brr(bunord, _f); | |
1312 | case_brf(bunord, _f, 32); | |
1313 | case_brr(bunord, _d); | |
1314 | case_brf(bunord, _d, 64); | |
1315 | case jit_code_jmpr: | |
1316 | jmpr(rn(node->u.w)); | |
1317 | break; | |
1318 | case jit_code_jmpi: | |
1319 | if (node->flag & jit_flag_node) { | |
1320 | temp = node->u.n; | |
1321 | assert(temp->code == jit_code_label || | |
1322 | temp->code == jit_code_epilog); | |
1323 | if (temp->flag & jit_flag_patch) | |
1324 | jmpi(temp->u.w); | |
1325 | else { | |
1326 | word = jmpi_p(_jit->pc.w); | |
1327 | patch(word, node); | |
1328 | } | |
1329 | } | |
1330 | else | |
1331 | jmpi(node->u.w); | |
1332 | break; | |
1333 | case jit_code_callr: | |
1334 | callr(rn(node->u.w)); | |
1335 | break; | |
1336 | case jit_code_calli: | |
1337 | if (node->flag & jit_flag_node) { | |
1338 | temp = node->u.n; | |
1339 | assert(temp->code == jit_code_label || | |
1340 | temp->code == jit_code_epilog); | |
1341 | if (!(temp->flag & jit_flag_patch)) { | |
1342 | word = calli_p(temp->u.w); | |
1343 | patch(word, node); | |
1344 | } | |
1345 | else | |
1346 | calli(temp->u.w); | |
1347 | } | |
1348 | else | |
1349 | calli(node->u.w); | |
1350 | break; | |
1351 | case jit_code_prolog: | |
1352 | _jitc->function = _jitc->functions.ptr + node->w.w; | |
1353 | undo.node = node; | |
1354 | undo.word = _jit->pc.w; | |
1355 | #if DEVEL_DISASSEMBLER | |
1356 | undo.prevw = prevw; | |
1357 | #endif | |
1358 | undo.patch_offset = _jitc->patches.offset; | |
1359 | restart_function: | |
1360 | _jitc->again = 0; | |
1361 | prolog(node); | |
1362 | break; | |
1363 | case jit_code_epilog: | |
1364 | assert(_jitc->function == _jitc->functions.ptr + node->w.w); | |
1365 | if (_jitc->again) { | |
1366 | for (temp = undo.node->next; | |
1367 | temp != node; temp = temp->next) { | |
1368 | if (temp->code == jit_code_label || | |
1369 | temp->code == jit_code_epilog) | |
1370 | temp->flag &= ~jit_flag_patch; | |
1371 | } | |
1372 | temp->flag &= ~jit_flag_patch; | |
1373 | node = undo.node; | |
1374 | _jit->pc.w = undo.word; | |
1375 | #if DEVEL_DISASSEMBLER | |
1376 | prevw = undo.prevw; | |
1377 | #endif | |
1378 | _jitc->patches.offset = undo.patch_offset; | |
1379 | goto restart_function; | |
1380 | } | |
1381 | /* remember label is defined */ | |
1382 | node->flag |= jit_flag_patch; | |
1383 | node->u.w = _jit->pc.w; | |
1384 | epilog(node); | |
1385 | _jitc->function = NULL; | |
1386 | break; | |
1387 | case jit_code_va_start: | |
1388 | vastart(rn(node->u.w)); | |
1389 | break; | |
1390 | case jit_code_va_arg: | |
1391 | vaarg(rn(node->u.w), rn(node->v.w)); | |
1392 | break; | |
1393 | case jit_code_va_arg_d: | |
1394 | vaarg_d(rn(node->u.w), rn(node->v.w)); | |
1395 | break; | |
1396 | case jit_code_live: | |
1397 | case jit_code_arg: case jit_code_ellipsis: | |
1398 | case jit_code_va_push: | |
1399 | case jit_code_allocai: case jit_code_allocar: | |
1400 | case jit_code_arg_f: case jit_code_arg_d: | |
1401 | case jit_code_va_end: | |
1402 | case jit_code_ret: | |
1403 | case jit_code_retr: case jit_code_reti: | |
1404 | case jit_code_retr_f: case jit_code_reti_f: | |
1405 | case jit_code_retr_d: case jit_code_reti_d: | |
1406 | case jit_code_getarg_c: case jit_code_getarg_uc: | |
1407 | case jit_code_getarg_s: case jit_code_getarg_us: | |
1408 | case jit_code_getarg_i: | |
1409 | case jit_code_getarg_f: case jit_code_getarg_d: | |
1410 | case jit_code_putargr: case jit_code_putargi: | |
1411 | case jit_code_putargr_f: case jit_code_putargi_f: | |
1412 | case jit_code_putargr_d: case jit_code_putargi_d: | |
1413 | case jit_code_pushargr: case jit_code_pushargi: | |
1414 | case jit_code_pushargr_f: case jit_code_pushargi_f: | |
1415 | case jit_code_pushargr_d: case jit_code_pushargi_d: | |
1416 | case jit_code_retval_c: case jit_code_retval_uc: | |
1417 | case jit_code_retval_s: case jit_code_retval_us: | |
1418 | case jit_code_retval_i: | |
1419 | case jit_code_retval_f: case jit_code_retval_d: | |
1420 | case jit_code_prepare: | |
1421 | case jit_code_finishr: case jit_code_finishi: | |
1422 | break; | |
1423 | default: | |
1424 | abort(); | |
1425 | } | |
1426 | jit_regarg_clr(node, value); | |
1427 | assert(_jitc->regarg == 0 && _jitc->synth == 0); | |
1428 | /* update register live state */ | |
1429 | jit_reglive(node); | |
1430 | } | |
1431 | #undef case_brf | |
1432 | #undef case_brw | |
1433 | #undef case_brr | |
1434 | #undef case_wrr | |
1435 | #undef case_rrf | |
1436 | #undef case_rrrw | |
1437 | #undef case_rrw | |
1438 | #undef case_rrrr | |
1439 | #undef case_rrr | |
1440 | #undef case_wr | |
1441 | #undef case_rw | |
1442 | #undef case_rr | |
1443 | ||
1444 | for (offset = 0; offset < _jitc->patches.offset; offset++) { | |
1445 | node = _jitc->patches.ptr[offset].node; | |
1446 | word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w; | |
1447 | patch_at(_jitc->patches.ptr[offset].inst, word); | |
1448 | } | |
1449 | ||
1450 | jit_flush(_jit->code.ptr, _jit->pc.uc); | |
1451 | ||
1452 | return (_jit->code.ptr); | |
1453 | } | |
1454 | ||
1455 | #define CODE 1 | |
1456 | # include "jit_hppa-cpu.c" | |
1457 | # include "jit_hppa-fpu.c" | |
1458 | #undef CODE | |
1459 | ||
1460 | void | |
1461 | jit_flush(void *fptr, void *tptr) | |
1462 | { | |
1463 | jit_word_t f, t, s; | |
1464 | s = sysconf(_SC_PAGE_SIZE); | |
1465 | f = (jit_word_t)fptr & -s; | |
1466 | t = (((jit_word_t)tptr) + s - 1) & -s; | |
1467 | #if defined(__hppa) | |
1468 | /* --- parisc2.0.pdf --- | |
1469 | Programming Note | |
1470 | ||
1471 | The minimum spacing that is guaranteed to work for "self-modifying code" is | |
1472 | shown in the code segment below. Since instruction prefetching is permitted, | |
1473 | any data cache flushes must be separated from any instruction cache flushes | |
1474 | by a SYNC. This will ensure that the "new" instruction will be written to | |
1475 | memory prior to any attempts at prefetching it as an instruction. | |
1476 | ||
1477 | LDIL l%newinstr,rnew | |
1478 | LDW r%newinstr(0,rnew),temp | |
1479 | LDIL l%instr,rinstr | |
1480 | STW temp,r%instr(0,rinstr) | |
1481 | FDC r%instr(0,rinstr) | |
1482 | SYNC | |
1483 | FIC r%instr(rinstr) | |
1484 | SYNC | |
1485 | instr ... | |
1486 | (at least seven instructions) | |
1487 | ||
1488 | This sequence assumes a uniprocessor system. In a multiprocessor system, | |
1489 | software must ensure no processor is executing code which is in the process | |
1490 | of being modified. | |
1491 | */ | |
1492 | ||
1493 | /* | |
1494 | Adapted from ffcall/trampoline/cache-hppa.c:__TR_clear_cache to | |
1495 | loop over addresses as it is unlikely from and to addresses would fit in | |
1496 | at most two cachelines. | |
1497 | FIXME A cache line can be 16, 32, or 64 bytes. | |
1498 | */ | |
1499 | /* | |
1500 | * Copyright 1995-1997 Bruno Haible, <bruno@clisp.org> | |
1501 | * | |
1502 | * This is free software distributed under the GNU General Public Licence | |
1503 | * described in the file COPYING. Contact the author if you don't have this | |
1504 | * or can't live with it. There is ABSOLUTELY NO WARRANTY, explicit or implied, | |
1505 | * on this software. | |
1506 | */ | |
1507 | { | |
1508 | jit_word_t n = f + 32; | |
1509 | register int u, v; | |
1510 | for (; f <= t; n = f + 32, f += 64) { | |
1511 | asm volatile ("fdc 0(0,%0)" | |
1512 | "\n\t" "fdc 0(0,%1)" | |
1513 | "\n\t" "sync" | |
1514 | : | |
1515 | : "r" (f), "r" (n) | |
1516 | ); | |
1517 | asm volatile ("mfsp %%sr0,%1" | |
1518 | "\n\t" "ldsid (0,%4),%0" | |
1519 | "\n\t" "mtsp %0,%%sr0" | |
1520 | "\n\t" "fic 0(%%sr0,%2)" | |
1521 | "\n\t" "fic 0(%%sr0,%3)" | |
1522 | "\n\t" "sync" | |
1523 | "\n\t" "mtsp %1,%%sr0" | |
1524 | "\n\t" "nop" | |
1525 | "\n\t" "nop" | |
1526 | "\n\t" "nop" | |
1527 | "\n\t" "nop" | |
1528 | "\n\t" "nop" | |
1529 | "\n\t" "nop" | |
1530 | : "=r" (u), "=r" (v) | |
1531 | : "r" (f), "r" (n), "r" (f) | |
1532 | ); | |
1533 | } | |
1534 | } | |
1535 | #else | |
1536 | /* This is supposed to work but appears to fail on multiprocessor systems */ | |
1537 | __clear_cache((void *)f, (void *)t); | |
1538 | #endif | |
1539 | } | |
1540 | ||
1541 | void | |
1542 | _emit_ldxi(jit_state_t *_jit, jit_gpr_t r0, jit_gpr_t r1, jit_word_t i0) | |
1543 | { | |
1544 | ldxi(rn(r0), rn(r1), i0); | |
1545 | } | |
1546 | ||
1547 | void | |
1548 | _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_gpr_t r1) | |
1549 | { | |
1550 | stxi(i0, rn(r0), rn(r1)); | |
1551 | } | |
1552 | ||
1553 | void | |
1554 | _emit_ldxi_d(jit_state_t *_jit, jit_fpr_t r0, jit_gpr_t r1, jit_word_t i0) | |
1555 | { | |
1556 | ldxi_d(rn(r0), rn(r1), i0); | |
1557 | } | |
1558 | ||
1559 | void | |
1560 | _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_fpr_t r1) | |
1561 | { | |
1562 | stxi_d(i0, rn(r0), rn(r1)); | |
1563 | } | |
1564 | ||
1565 | static void | |
1566 | _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node) | |
1567 | { | |
1568 | jit_int32_t flag; | |
1569 | ||
1570 | assert(node->flag & jit_flag_node); | |
1571 | if (node->code == jit_code_movi) | |
1572 | flag = node->v.n->flag; | |
1573 | else | |
1574 | flag = node->u.n->flag; | |
1575 | assert(!(flag & jit_flag_patch)); | |
1576 | if (_jitc->patches.offset >= _jitc->patches.length) { | |
1577 | jit_realloc((jit_pointer_t *)&_jitc->patches.ptr, | |
1578 | _jitc->patches.length * sizeof(jit_patch_t), | |
1579 | (_jitc->patches.length + 1024) * sizeof(jit_patch_t)); | |
1580 | _jitc->patches.length += 1024; | |
1581 | } | |
1582 | _jitc->patches.ptr[_jitc->patches.offset].inst = instr; | |
1583 | _jitc->patches.ptr[_jitc->patches.offset].node = node; | |
1584 | ++_jitc->patches.offset; | |
1585 | } |