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1 | /* |
2 | * Copyright (C) 2012-2019 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 | #if HAVE_CONFIG_H | |
21 | # include "config.h" | |
22 | #endif | |
23 | ||
24 | #if HAVE_GETOPT_H | |
25 | # include <getopt.h> | |
26 | #else | |
27 | # include <unistd.h> | |
28 | #endif | |
29 | #include <stdio.h> | |
30 | #include <stdarg.h> | |
31 | #include <lightning.h> | |
32 | #include <dlfcn.h> | |
40a44dcb | 33 | #include <math.h> |
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34 | |
35 | #if defined(__linux__) && (defined(__i386__) || defined(__x86_64__)) | |
36 | # include <fpu_control.h> | |
37 | #endif | |
38 | ||
39 | /* The label_t identifier clashes with a system definitions */ | |
40 | #if defined(_AIX) || defined(__sun__) || defined(__osf__) | |
41 | # define label_t l_label_t | |
42 | #endif | |
43 | ||
44 | #if defined(__hpux) | |
45 | # define DL_HANDLE RTLD_NEXT | |
46 | #elif defined(__sgi) | |
47 | static void *DL_HANDLE; | |
48 | #elif defined(__osf__) | |
49 | # define DL_HANDLE NULL | |
50 | #else | |
51 | # define DL_HANDLE RTLD_DEFAULT | |
52 | #endif | |
53 | ||
54 | #if defined(__GNUC__) | |
55 | # define noreturn __attribute__ ((noreturn)) | |
56 | # define printf_format(f, v) __attribute__ ((format (printf, f, v))) | |
57 | # define maybe_unused __attribute__ ((unused)) | |
58 | #else | |
59 | # define noreturn /**/ | |
60 | # define printf_format(f, v) /**/ | |
61 | # define maybe_unused /**/ | |
62 | #endif | |
63 | ||
64 | #define check_data(length) \ | |
65 | do { \ | |
66 | if (data_offset + length > data_length) \ | |
67 | error(".data too small (%ld < %ld)", \ | |
68 | data_length, data_offset + length); \ | |
69 | } while (0) | |
70 | ||
71 | #define get_label_by_name(name) ((label_t *)get_hash(labels, name)) | |
72 | ||
73 | #define PARSING_NONE 0 | |
74 | #define PARSING_DATA 1 | |
75 | #define PARSING_CODE 2 | |
76 | #define MAX_IDENTIFIER 256 | |
77 | ||
78 | /* | |
79 | * Types | |
80 | */ | |
81 | typedef struct instr instr_t; | |
82 | typedef union value value_t; | |
83 | typedef struct parser parser_t; | |
84 | typedef struct label label_t; | |
85 | typedef struct patch patch_t; | |
86 | typedef struct symbol symbol_t; | |
87 | typedef struct hash hash_t; | |
88 | typedef struct entry entry_t; | |
89 | typedef int (*function_t)(int argc, char *argv[]); | |
90 | ||
91 | typedef enum { | |
92 | tok_eof = -1, | |
93 | tok_symbol, | |
94 | tok_char, | |
95 | tok_int, | |
96 | tok_float, | |
97 | tok_pointer, | |
98 | tok_string, | |
99 | tok_register, | |
100 | tok_dot, | |
101 | tok_newline, | |
102 | tok_semicollon, | |
103 | } token_t; | |
104 | ||
105 | typedef enum { | |
106 | skip_none, | |
107 | skip_ws, | |
108 | skip_nl, | |
109 | } skip_t; | |
110 | ||
111 | typedef enum { | |
112 | type_none, | |
113 | type_c, | |
114 | type_s, | |
115 | type_i, | |
116 | type_l, | |
117 | type_f, | |
118 | type_d, | |
119 | type_p, | |
120 | } type_t; | |
121 | ||
122 | #define compose(a, b) (((a) << 8) | b) | |
123 | typedef enum { | |
124 | expr_inc = compose('+', '+'), | |
125 | expr_dec = compose('-', '-'), | |
126 | expr_not = '!', | |
127 | expr_com = '~', | |
128 | expr_mul = '*', | |
129 | expr_div = '/', | |
130 | expr_rem = '%', | |
131 | expr_add = '+', | |
132 | expr_sub = '-', | |
133 | expr_lsh = compose('<', '<'), | |
134 | expr_rsh = compose('>', '>'), | |
135 | expr_and = '&', | |
136 | expr_or = '|', | |
137 | expr_xor = '^', | |
138 | expr_set = '=', | |
139 | expr_mulset = compose('*', '='), | |
140 | expr_divset = compose('/', '='), | |
141 | expr_remset = compose('%', '='), | |
142 | expr_addset = compose('+', '='), | |
143 | expr_subset = compose('-', '='), | |
144 | expr_lshset = compose(expr_lsh, '='), | |
145 | expr_rshset = compose(expr_rsh, '='), | |
146 | expr_andset = compose('&', '='), | |
147 | expr_orset = compose('|', '='), | |
148 | expr_xorset = compose('^', '='), | |
149 | expr_lt = '<', | |
150 | expr_le = compose('<', '='), | |
151 | expr_eq = compose('=', '='), | |
152 | expr_ne = compose('!', '='), | |
153 | expr_gt = '>', | |
154 | expr_ge = compose('>', '='), | |
155 | expr_andand = compose('&', '&'), | |
156 | expr_oror = compose('|', '|'), | |
157 | expr_lparen = '(', | |
158 | expr_rparen = ')', | |
159 | expr_int = '0', | |
160 | expr_float = '.', | |
161 | expr_pointer = '@', | |
162 | expr_symbol = '$', | |
163 | } expr_t; | |
164 | #undef compose | |
165 | ||
166 | struct instr { | |
167 | instr_t *next; | |
168 | const char *name; | |
169 | void (*function)(void); | |
170 | int flag; | |
171 | }; | |
172 | ||
173 | union value { | |
174 | jit_word_t i; | |
175 | jit_uword_t ui; | |
176 | float f; | |
177 | double d; | |
178 | void *p; | |
179 | char *cp; | |
180 | label_t *label; | |
181 | patch_t *patch; | |
182 | }; | |
183 | ||
184 | struct parser { | |
185 | FILE *fp; | |
186 | char name[256]; | |
187 | int line; | |
188 | int regval; | |
189 | type_t regtype; | |
190 | expr_t expr; | |
191 | type_t type; | |
192 | value_t value; | |
193 | ||
194 | /* variable length string buffer */ | |
195 | char *string; | |
196 | int length; | |
197 | int offset; | |
198 | ||
199 | int newline; | |
200 | expr_t putback; | |
201 | int short_circuit; | |
202 | int parsing; | |
203 | ||
204 | struct { | |
205 | unsigned char buffer[4096]; | |
206 | int offset; | |
207 | int length; | |
208 | } data; | |
209 | }; | |
210 | ||
211 | typedef enum { | |
212 | label_kind_data, | |
213 | label_kind_code, | |
214 | label_kind_code_forward, | |
215 | label_kind_dynamic, | |
216 | } label_kind_t; | |
217 | ||
218 | struct hash { | |
219 | entry_t **entries; | |
220 | int size; | |
221 | int count; | |
222 | }; | |
223 | ||
224 | struct entry { | |
225 | entry_t *next; | |
226 | char *name; | |
227 | void *value; | |
228 | int flag; | |
229 | }; | |
230 | ||
231 | struct label { | |
232 | label_t *next; | |
233 | char *name; | |
234 | void *value; | |
235 | label_kind_t kind; | |
236 | }; | |
237 | ||
238 | typedef enum { | |
239 | patch_kind_jmp, | |
240 | patch_kind_mov, | |
241 | patch_kind_call, | |
242 | } patch_kind_t; | |
243 | ||
244 | struct patch { | |
245 | patch_t *next; | |
246 | label_t *label; | |
247 | void *value; | |
248 | patch_kind_t kind; | |
249 | }; | |
250 | ||
251 | /* minor support for expressions */ | |
252 | struct symbol { | |
253 | symbol_t *next; | |
254 | char *name; | |
255 | value_t value; | |
256 | type_t type; | |
257 | }; | |
258 | ||
259 | /* | |
260 | * Prototypes | |
261 | */ | |
262 | static jit_gpr_t get_ireg(void); | |
263 | static jit_fpr_t get_freg(void); | |
264 | static symbol_t *get_symbol(void); | |
265 | static void jmp_forward(void *value, label_t *label); | |
266 | static void mov_forward(void *value, label_t *label); | |
267 | static void call_forward(void *value, label_t *label); | |
268 | static void make_arg(void *value); | |
269 | static jit_pointer_t get_arg(void); | |
270 | static jit_word_t get_imm(void); | |
271 | static void live(void); | |
272 | static void align(void); static void name(void); | |
273 | static void prolog(void); | |
274 | static void frame(void); static void tramp(void); | |
275 | static void ellipsis(void); | |
276 | static void allocai(void); static void allocar(void); | |
277 | static void arg(void); | |
278 | static void getarg_c(void); static void getarg_uc(void); | |
279 | static void getarg_s(void); static void getarg_us(void); | |
280 | static void getarg_i(void); | |
281 | #if __WORDSIZE == 64 | |
282 | static void getarg_ui(void); static void getarg_l(void); | |
283 | #endif | |
284 | static void getarg(void); | |
285 | static void putargr(void); static void putargi(void); | |
286 | static void addr(void); static void addi(void); | |
287 | static void addxr(void); static void addxi(void); | |
288 | static void addcr(void); static void addci(void); | |
289 | static void subr(void); static void subi(void); | |
290 | static void subxr(void); static void subxi(void); | |
291 | static void subcr(void); static void subci(void); | |
292 | static void rsbr(void); static void rsbi(void); | |
293 | static void mulr(void); static void muli(void); | |
294 | static void qmulr(void); static void qmuli(void); | |
295 | static void qmulr_u(void); static void qmuli_u(void); | |
296 | static void divr(void); static void divi(void); | |
297 | static void divr_u(void); static void divi_u(void); | |
298 | static void qdivr(void); static void qdivi(void); | |
299 | static void qdivr_u(void); static void qdivi_u(void); | |
300 | static void remr(void); static void remi(void); | |
301 | static void remr_u(void); static void remi_u(void); | |
302 | static void andr(void); static void andi(void); | |
303 | static void orr(void); static void ori(void); | |
304 | static void xorr(void); static void xori(void); | |
305 | static void lshr(void); static void lshi(void); | |
306 | static void rshr(void); static void rshi(void); | |
307 | static void rshr_u(void); static void rshi_u(void); | |
308 | static void negr(void); static void comr(void); | |
309 | static void ltr(void); static void lti(void); | |
310 | static void ltr_u(void); static void lti_u(void); | |
311 | static void ler(void); static void lei(void); | |
312 | static void ler_u(void); static void lei_u(void); | |
313 | static void eqr(void); static void eqi(void); | |
314 | static void ger(void); static void gei(void); | |
315 | static void ger_u(void); static void gei_u(void); | |
316 | static void gtr(void); static void gti(void); | |
317 | static void gtr_u(void); static void gti_u(void); | |
318 | static void ner(void); static void nei(void); | |
319 | static void movr(void); static void movi(void); | |
320 | static void extr_c(void); static void extr_uc(void); | |
321 | static void extr_s(void); static void extr_us(void); | |
322 | #if __WORDSIZE == 64 | |
323 | static void extr_i(void); static void extr_ui(void); | |
324 | #endif | |
325 | static void htonr_us(void); static void ntohr_us(void); | |
326 | static void htonr_ui(void); static void ntohr_ui(void); | |
327 | #if __WORDSIZE == 64 | |
328 | static void htonr_ul(void); static void ntohr_ul(void); | |
329 | #endif | |
330 | static void htonr(void); static void ntohr(void); | |
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331 | static void bswapr_us(void); static void bswapr_ui(void); |
332 | #if __WORDSIZE == 64 | |
333 | static void bswapr_ul(void); | |
334 | #endif | |
335 | static void bswapr(void); | |
e0659411 | 336 | static void movnr(void); static void movzr(void); |
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337 | static void ldr_c(void); static void ldi_c(void); |
338 | static void ldr_uc(void); static void ldi_uc(void); | |
339 | static void ldr_s(void); static void ldi_s(void); | |
340 | static void ldr_us(void); static void ldi_us(void); | |
341 | static void ldr_i(void); static void ldi_i(void); | |
342 | #if __WORDSIZE == 64 | |
343 | static void ldr_ui(void); static void ldi_ui(void); | |
344 | static void ldr_l(void); static void ldi_l(void); | |
345 | #endif | |
346 | static void ldr(void); static void ldi(void); | |
347 | static void ldxr_c(void); static void ldxi_c(void); | |
348 | static void ldxr_uc(void); static void ldxi_uc(void); | |
349 | static void ldxr_s(void); static void ldxi_s(void); | |
350 | static void ldxr_us(void); static void ldxi_us(void); | |
351 | static void ldxr_i(void); static void ldxi_i(void); | |
352 | #if __WORDSIZE == 64 | |
353 | static void ldxr_ui(void); static void ldxi_ui(void); | |
354 | static void ldxr_l(void); static void ldxi_l(void); | |
355 | #endif | |
356 | static void ldxr(void); static void ldxi(void); | |
357 | static void str_c(void); static void sti_c(void); | |
358 | static void str_s(void); static void sti_s(void); | |
359 | static void str_i(void); static void sti_i(void); | |
360 | #if __WORDSIZE == 64 | |
361 | static void str_l(void); static void sti_l(void); | |
362 | #endif | |
363 | static void str(void); static void sti(void); | |
364 | static void stxr_c(void); static void stxi_c(void); | |
365 | static void stxr_s(void); static void stxi_s(void); | |
366 | static void stxr_i(void); static void stxi_i(void); | |
367 | #if __WORDSIZE == 64 | |
368 | static void stxr_l(void); static void stxi_l(void); | |
369 | #endif | |
370 | static void stxr(void); static void stxi(void); | |
371 | static void bltr(void); static void blti(void); | |
372 | static void bltr_u(void); static void blti_u(void); | |
373 | static void bler(void); static void blei(void); | |
374 | static void bler_u(void); static void blei_u(void); | |
375 | static void beqr(void); static void beqi(void); | |
376 | static void bger(void); static void bgei(void); | |
377 | static void bger_u(void); static void bgei_u(void); | |
378 | static void bgtr(void); static void bgti(void); | |
379 | static void bgtr_u(void); static void bgti_u(void); | |
380 | static void bner(void); static void bnei(void); | |
381 | static void bmsr(void); static void bmsi(void); | |
382 | static void bmcr(void); static void bmci(void); | |
383 | static void boaddr(void); static void boaddi(void); | |
384 | static void boaddr_u(void); static void boaddi_u(void); | |
385 | static void bxaddr(void); static void bxaddi(void); | |
386 | static void bxaddr_u(void); static void bxaddi_u(void); | |
387 | static void bosubr(void); static void bosubi(void); | |
388 | static void bosubr_u(void); static void bosubi_u(void); | |
389 | static void bxsubr(void); static void bxsubi(void); | |
390 | static void bxsubr_u(void); static void bxsubi_u(void); | |
391 | static void jmpr(void); static void jmpi(void); | |
392 | static void callr(void); static void calli(void); | |
393 | static void prepare(void); | |
394 | static void pushargr(void); static void pushargi(void); | |
395 | static void finishr(void); static void finishi(void); | |
396 | static void ret(void); | |
397 | static void retr(void); static void reti(void); | |
398 | static void retval_c(void); static void retval_uc(void); | |
399 | static void retval_s(void); static void retval_us(void); | |
400 | static void retval_i(void); | |
401 | #if __WORDSIZE == 64 | |
402 | static void retval_ui(void); static void retval_l(void); | |
403 | #endif | |
404 | static void retval(void); | |
405 | static void epilog(void); | |
406 | static void arg_f(void); static void getarg_f(void); | |
407 | static void putargr_f(void); static void putargi_f(void); | |
408 | static void addr_f(void); static void addi_f(void); | |
409 | static void subr_f(void); static void subi_f(void); | |
410 | static void rsbr_f(void); static void rsbi_f(void); | |
411 | static void mulr_f(void); static void muli_f(void); | |
412 | static void divr_f(void); static void divi_f(void); | |
413 | static void negr_f(void); static void absr_f(void); | |
414 | static void sqrtr_f(void); | |
415 | static void ltr_f(void); static void lti_f(void); | |
416 | static void ler_f(void); static void lei_f(void); | |
417 | static void eqr_f(void); static void eqi_f(void); | |
418 | static void ger_f(void); static void gei_f(void); | |
419 | static void gtr_f(void); static void gti_f(void); | |
420 | static void ner_f(void); static void nei_f(void); | |
421 | static void unltr_f(void); static void unlti_f(void); | |
422 | static void unler_f(void); static void unlei_f(void); | |
423 | static void uneqr_f(void); static void uneqi_f(void); | |
424 | static void unger_f(void); static void ungei_f(void); | |
425 | static void ungtr_f(void); static void ungti_f(void); | |
426 | static void ltgtr_f(void); static void ltgti_f(void); | |
427 | static void ordr_f(void); static void ordi_f(void); | |
428 | static void unordr_f(void); static void unordi_f(void); | |
429 | static void truncr_f_i(void); | |
430 | #if __WORDSIZE == 64 | |
431 | static void truncr_f_l(void); | |
432 | #endif | |
433 | static void truncr_f(void); | |
434 | static void extr_f(void); static void extr_d_f(void); | |
435 | static void movr_f(void); static void movi_f(void); | |
436 | static void ldr_f(void); static void ldi_f(void); | |
437 | static void ldxr_f(void); static void ldxi_f(void); | |
438 | static void str_f(void); static void sti_f(void); | |
439 | static void stxr_f(void); static void stxi_f(void); | |
440 | static void bltr_f(void); static void blti_f(void); | |
441 | static void bler_f(void); static void blei_f(void); | |
442 | static void beqr_f(void); static void beqi_f(void); | |
443 | static void bger_f(void); static void bgei_f(void); | |
444 | static void bgtr_f(void); static void bgti_f(void); | |
445 | static void bner_f(void); static void bnei_f(void); | |
446 | static void bunltr_f(void); static void bunlti_f(void); | |
447 | static void bunler_f(void); static void bunlei_f(void); | |
448 | static void buneqr_f(void); static void buneqi_f(void); | |
449 | static void bunger_f(void); static void bungei_f(void); | |
450 | static void bungtr_f(void); static void bungti_f(void); | |
451 | static void bltgtr_f(void); static void bltgti_f(void); | |
452 | static void bordr_f(void); static void bordi_f(void); | |
453 | static void bunordr_f(void); static void bunordi_f(void); | |
454 | static void pushargr_f(void); static void pushargi_f(void); | |
455 | static void retr_f(void); static void reti_f(void); | |
456 | static void retval_f(void); | |
457 | static void arg_d(void); static void getarg_d(void); | |
458 | static void putargr_d(void); static void putargi_d(void); | |
459 | static void addr_d(void); static void addi_d(void); | |
460 | static void subr_d(void); static void subi_d(void); | |
461 | static void rsbr_d(void); static void rsbi_d(void); | |
462 | static void mulr_d(void); static void muli_d(void); | |
463 | static void divr_d(void); static void divi_d(void); | |
464 | static void negr_d(void); static void absr_d(void); | |
465 | static void sqrtr_d(void); | |
466 | static void ltr_d(void); static void lti_d(void); | |
467 | static void ler_d(void); static void lei_d(void); | |
468 | static void eqr_d(void); static void eqi_d(void); | |
469 | static void ger_d(void); static void gei_d(void); | |
470 | static void gtr_d(void); static void gti_d(void); | |
471 | static void ner_d(void); static void nei_d(void); | |
472 | static void unltr_d(void); static void unlti_d(void); | |
473 | static void unler_d(void); static void unlei_d(void); | |
474 | static void uneqr_d(void); static void uneqi_d(void); | |
475 | static void unger_d(void); static void ungei_d(void); | |
476 | static void ungtr_d(void); static void ungti_d(void); | |
477 | static void ltgtr_d(void); static void ltgti_d(void); | |
478 | static void ordr_d(void); static void ordi_d(void); | |
479 | static void unordr_d(void); static void unordi_d(void); | |
480 | static void truncr_d_i(void); | |
481 | #if __WORDSIZE == 64 | |
482 | static void truncr_d_l(void); | |
483 | #endif | |
484 | static void truncr_d(void); | |
485 | static void extr_d(void); static void extr_f_d(void); | |
486 | static void movr_d(void); static void movi_d(void); | |
487 | static void ldr_d(void); static void ldi_d(void); | |
488 | static void ldxr_d(void); static void ldxi_d(void); | |
489 | static void str_d(void); static void sti_d(void); | |
490 | static void stxr_d(void); static void stxi_d(void); | |
491 | static void bltr_d(void); static void blti_d(void); | |
492 | static void bler_d(void); static void blei_d(void); | |
493 | static void beqr_d(void); static void beqi_d(void); | |
494 | static void bger_d(void); static void bgei_d(void); | |
495 | static void bgtr_d(void); static void bgti_d(void); | |
496 | static void bner_d(void); static void bnei_d(void); | |
497 | static void bunltr_d(void); static void bunlti_d(void); | |
498 | static void bunler_d(void); static void bunlei_d(void); | |
499 | static void buneqr_d(void); static void buneqi_d(void); | |
500 | static void bunger_d(void); static void bungei_d(void); | |
501 | static void bungtr_d(void); static void bungti_d(void); | |
502 | static void bltgtr_d(void); static void bltgti_d(void); | |
503 | static void bordr_d(void); static void bordi_d(void); | |
504 | static void bunordr_d(void); static void bunordi_d(void); | |
505 | static void pushargr_d(void); static void pushargi_d(void); | |
506 | static void retr_d(void); static void reti_d(void); | |
507 | static void retval_d(void); | |
508 | static void vastart(void); static void vapush(void); | |
509 | static void vaarg(void); static void vaarg_d(void); | |
510 | static void vaend(void); | |
511 | ||
512 | static void error(const char *format, ...) noreturn printf_format(1, 2); | |
513 | static void warn(const char *format, ...) printf_format(1, 2) maybe_unused; | |
514 | static void message(const char *kind, const char *format, va_list ap); | |
515 | ||
516 | static int getch(void); | |
517 | static int getch_noeof(void); | |
518 | static int ungetch(int ch); | |
519 | static int skipws(void); | |
520 | static int skipnl(void); | |
521 | static int skipct(void); | |
522 | static int skipcp(void); | |
523 | static jit_word_t get_int(skip_t skip); | |
524 | static jit_uword_t get_uint(skip_t skip); | |
525 | static double get_float(skip_t skip); | |
526 | static float make_float(double d); | |
527 | static void *get_pointer(skip_t skip); | |
528 | static label_t *get_label(skip_t skip); | |
529 | static token_t regname(void); | |
530 | static token_t identifier(int ch); | |
531 | static void get_data(type_t type); | |
532 | static void dot(void); | |
533 | static token_t number(int ch); | |
534 | static int escape(int ch); | |
535 | static token_t string(void); | |
536 | static token_t dynamic(void); | |
537 | static token_t character(void); | |
538 | static void expression_prim(void); | |
539 | static void expression_inc(int pre); | |
540 | static void expression_dec(int pre); | |
541 | static void expression_unary(void); | |
542 | static void expression_mul(void); | |
543 | static void expression_add(void); | |
544 | static void expression_shift(void); | |
545 | static void expression_bit(void); | |
546 | static void expression_rel(void); | |
547 | static void expression_cond(void); | |
548 | static token_t expression(void); | |
549 | static token_t primary(skip_t skip); | |
550 | static void parse(void); | |
551 | static int execute(int argc, char *argv[]); | |
552 | ||
553 | static void *xmalloc(size_t size); | |
554 | static void *xrealloc(void *pointer, size_t size); | |
555 | static void *xcalloc(size_t nmemb, size_t size); | |
556 | ||
557 | static label_t *new_label(label_kind_t kind, char *name, void *value); | |
558 | static patch_t *new_patch(patch_kind_t kind, label_t *label, void *value); | |
559 | static int bcmp_symbols(const void *left, const void *right); | |
560 | static int qcmp_symbols(const void *left, const void *right); | |
561 | static symbol_t *new_symbol(char *name); | |
562 | static symbol_t *get_symbol_by_name(char *name); | |
563 | ||
564 | static hash_t *new_hash(void); | |
565 | static int hash_string(char *name); | |
566 | static void put_hash(hash_t *hash, entry_t *entry); | |
567 | static entry_t *get_hash(hash_t *hash, char *name); | |
568 | static void rehash(hash_t *hash); | |
569 | ||
570 | /* | |
571 | * Initialization | |
572 | */ | |
573 | static jit_state_t *_jit; | |
574 | static int flag_verbose; | |
575 | static int flag_data; | |
576 | static int flag_disasm; | |
577 | static char *progname; | |
578 | static parser_t parser; | |
579 | static hash_t *labels; | |
580 | static int label_offset; | |
581 | static patch_t *patches; | |
582 | static symbol_t **symbols; | |
583 | static int symbol_length; | |
584 | static int symbol_offset; | |
585 | static hash_t *instrs; | |
586 | static char *data; | |
587 | static size_t data_offset, data_length; | |
588 | static instr_t instr_vector[] = { | |
589 | #define entry(value) { NULL, #value, value } | |
590 | #define entry2(name, function) { NULL, name, function } | |
591 | entry(live), | |
592 | entry(align), entry(name), | |
593 | entry(prolog), | |
594 | entry(frame), entry(tramp), | |
595 | entry(ellipsis), | |
596 | entry(allocai), entry(allocar), | |
597 | entry(arg), | |
598 | entry(getarg_c), entry(getarg_uc), | |
599 | entry(getarg_s), entry(getarg_us), | |
600 | entry(getarg_i), | |
601 | #if __WORDSIZE == 64 | |
602 | entry(getarg_ui), entry(getarg_l), | |
603 | #endif | |
604 | entry(getarg), | |
605 | entry(putargr), entry(putargi), | |
606 | entry(addr), entry(addi), | |
607 | entry(addxr), entry(addxi), | |
608 | entry(addcr), entry(addci), | |
609 | entry(subr), entry(subi), | |
610 | entry(subxr), entry(subxi), | |
611 | entry(subcr), entry(subci), | |
612 | entry(rsbr), entry(rsbi), | |
613 | entry(mulr), entry(muli), | |
614 | entry(qmulr), entry(qmuli), | |
615 | entry(qmulr_u), entry(qmuli_u), | |
616 | entry(divr), entry(divi), | |
617 | entry(divr_u), entry(divi_u), | |
618 | entry(qdivr), entry(qdivi), | |
619 | entry(qdivr_u), entry(qdivi_u), | |
620 | entry(remr), entry(remi), | |
621 | entry(remr_u), entry(remi_u), | |
622 | entry(andr), entry(andi), | |
623 | entry(orr), entry(ori), | |
624 | entry(xorr), entry(xori), | |
625 | entry(lshr), entry(lshi), | |
626 | entry(rshr), entry(rshi), | |
627 | entry(rshr_u), entry(rshi_u), | |
628 | entry(negr), entry(comr), | |
629 | entry(ltr), entry(lti), | |
630 | entry(ltr_u), entry(lti_u), | |
631 | entry(ler), entry(lei), | |
632 | entry(ler_u), entry(lei_u), | |
633 | entry(eqr), entry(eqi), | |
634 | entry(ger), entry(gei), | |
635 | entry(ger_u), entry(gei_u), | |
636 | entry(gtr), entry(gti), | |
637 | entry(gtr_u), entry(gti_u), | |
638 | entry(ner), entry(nei), | |
639 | entry(movr), entry(movi), | |
640 | entry(extr_c), entry(extr_uc), | |
641 | entry(extr_s), entry(extr_us), | |
642 | #if __WORDSIZE == 64 | |
643 | entry(extr_i), entry(extr_ui), | |
644 | #endif | |
645 | entry(htonr_us), entry(ntohr_us), | |
646 | entry(htonr_ui), entry(ntohr_ui), | |
647 | #if __WORDSIZE == 64 | |
648 | entry(htonr_ul), entry(ntohr_ul), | |
649 | #endif | |
650 | entry(htonr), entry(ntohr), | |
40a44dcb PC |
651 | entry(bswapr_us), entry(bswapr_ui), |
652 | #if __WORDSIZE == 64 | |
653 | entry(bswapr_ul), | |
654 | #endif | |
655 | entry(bswapr), | |
e0659411 | 656 | entry(movnr), entry(movzr), |
4a71579b PC |
657 | entry(ldr_c), entry(ldi_c), |
658 | entry(ldr_uc), entry(ldi_uc), | |
659 | entry(ldr_s), entry(ldi_s), | |
660 | entry(ldr_us), entry(ldi_us), | |
661 | entry(ldr_i), entry(ldi_i), | |
662 | #if __WORDSIZE == 64 | |
663 | entry(ldr_ui), entry(ldi_ui), | |
664 | entry(ldr_l), entry(ldi_l), | |
665 | #endif | |
666 | entry(ldr), entry(ldi), | |
667 | entry(ldxr_c), entry(ldxi_c), | |
668 | entry(ldxr_uc), entry(ldxi_uc), | |
669 | entry(ldxr_s), entry(ldxi_s), | |
670 | entry(ldxr_us), entry(ldxi_us), | |
671 | entry(ldxr_i), entry(ldxi_i), | |
672 | #if __WORDSIZE == 64 | |
673 | entry(ldxr_ui), entry(ldxi_ui), | |
674 | entry(ldxr_l), entry(ldxi_l), | |
675 | #endif | |
676 | entry(ldxr), entry(ldxi), | |
677 | entry(str_c), entry(sti_c), | |
678 | entry(str_s), entry(sti_s), | |
679 | entry(str_i), entry(sti_i), | |
680 | #if __WORDSIZE == 64 | |
681 | entry(str_l), entry(sti_l), | |
682 | #endif | |
683 | entry(str), entry(sti), | |
684 | entry(stxr_c), entry(stxi_c), | |
685 | entry(stxr_s), entry(stxi_s), | |
686 | entry(stxr_i), entry(stxi_i), | |
687 | #if __WORDSIZE == 64 | |
688 | entry(stxr_l), entry(stxi_l), | |
689 | #endif | |
690 | entry(stxr), entry(stxi), | |
691 | entry(bltr), entry(blti), | |
692 | entry(bltr_u), entry(blti_u), | |
693 | entry(bler), entry(blei), | |
694 | entry(bler_u), entry(blei_u), | |
695 | entry(beqr), entry(beqi), | |
696 | entry(bger), entry(bgei), | |
697 | entry(bger_u), entry(bgei_u), | |
698 | entry(bgtr), entry(bgti), | |
699 | entry(bgtr_u), entry(bgti_u), | |
700 | entry(bner), entry(bnei), | |
701 | entry(bmsr), entry(bmsi), | |
702 | entry(bmcr), entry(bmci), | |
703 | entry(boaddr), entry(boaddi), | |
704 | entry(boaddr_u), entry(boaddi_u), | |
705 | entry(bxaddr), entry(bxaddi), | |
706 | entry(bxaddr_u), entry(bxaddi_u), | |
707 | entry(bosubr), entry(bosubi), | |
708 | entry(bosubr_u), entry(bosubi_u), | |
709 | entry(bxsubr), entry(bxsubi), | |
710 | entry(bxsubr_u), entry(bxsubi_u), | |
711 | entry(jmpr), entry(jmpi), | |
712 | entry(callr), entry(calli), | |
713 | entry(prepare), | |
714 | entry(pushargr), entry(pushargi), | |
715 | entry(finishr), entry(finishi), | |
716 | entry(ret), | |
717 | entry(retr), entry(reti), | |
718 | entry(retval_c), entry(retval_uc), | |
719 | entry(retval_s), entry(retval_us), | |
720 | entry(retval_i), | |
721 | #if __WORDSIZE == 64 | |
722 | entry(retval_ui), entry(retval_l), | |
723 | #endif | |
724 | entry(retval), | |
725 | entry(epilog), | |
726 | entry(arg_f), entry(getarg_f), | |
727 | entry(putargr_f), entry(putargi_f), | |
728 | entry(addr_f), entry(addi_f), | |
729 | entry(subr_f), entry(subi_f), | |
730 | entry(rsbr_f), entry(rsbi_f), | |
731 | entry(mulr_f), entry(muli_f), | |
732 | entry(divr_f), entry(divi_f), | |
733 | entry(negr_f), entry(absr_f), | |
734 | entry(sqrtr_f), | |
735 | entry(ltr_f), entry(lti_f), | |
736 | entry(ler_f), entry(lei_f), | |
737 | entry(eqr_f), entry(eqi_f), | |
738 | entry(ger_f), entry(gei_f), | |
739 | entry(gtr_f), entry(gti_f), | |
740 | entry(ner_f), entry(nei_f), | |
741 | entry(unltr_f), entry(unlti_f), | |
742 | entry(unler_f), entry(unlei_f), | |
743 | entry(uneqr_f), entry(uneqi_f), | |
744 | entry(unger_f), entry(ungei_f), | |
745 | entry(ungtr_f), entry(ungti_f), | |
746 | entry(ltgtr_f), entry(ltgti_f), | |
747 | entry(ordr_f), entry(ordi_f), | |
748 | entry(unordr_f), entry(unordi_f), | |
749 | entry(truncr_f_i), | |
750 | #if __WORDSIZE == 64 | |
751 | entry(truncr_f_l), | |
752 | #endif | |
753 | entry(truncr_f), | |
754 | entry(extr_f), entry(extr_d_f), | |
755 | entry(movr_f), entry(movi_f), | |
756 | entry(ldr_f), entry(ldi_f), | |
757 | entry(ldxr_f), entry(ldxi_f), | |
758 | entry(str_f), entry(sti_f), | |
759 | entry(stxr_f), entry(stxi_f), | |
760 | entry(bltr_f), entry(blti_f), | |
761 | entry(bler_f), entry(blei_f), | |
762 | entry(beqr_f), entry(beqi_f), | |
763 | entry(bger_f), entry(bgei_f), | |
764 | entry(bgtr_f), entry(bgti_f), | |
765 | entry(bner_f), entry(bnei_f), | |
766 | entry(bunltr_f), entry(bunlti_f), | |
767 | entry(bunler_f), entry(bunlei_f), | |
768 | entry(buneqr_f), entry(buneqi_f), | |
769 | entry(bunger_f), entry(bungei_f), | |
770 | entry(bungtr_f), entry(bungti_f), | |
771 | entry(bltgtr_f), entry(bltgti_f), | |
772 | entry(bordr_f), entry(bordi_f), | |
773 | entry(bunordr_f), entry(bunordi_f), | |
774 | entry(pushargr_f), entry(pushargi_f), | |
775 | entry(retr_f), entry(reti_f), | |
776 | entry(retval_f), | |
777 | entry(arg_d), entry(getarg_d), | |
778 | entry(putargr_d), entry(putargi_d), | |
779 | entry(addr_d), entry(addi_d), | |
780 | entry(subr_d), entry(subi_d), | |
781 | entry(rsbr_d), entry(rsbi_d), | |
782 | entry(mulr_d), entry(muli_d), | |
783 | entry(divr_d), entry(divi_d), | |
784 | entry(negr_d), entry(absr_d), | |
785 | entry(sqrtr_d), | |
786 | entry(ltr_d), entry(lti_d), | |
787 | entry(ler_d), entry(lei_d), | |
788 | entry(eqr_d), entry(eqi_d), | |
789 | entry(ger_d), entry(gei_d), | |
790 | entry(gtr_d), entry(gti_d), | |
791 | entry(ner_d), entry(nei_d), | |
792 | entry(unltr_d), entry(unlti_d), | |
793 | entry(unler_d), entry(unlei_d), | |
794 | entry(uneqr_d), entry(uneqi_d), | |
795 | entry(unger_d), entry(ungei_d), | |
796 | entry(ungtr_d), entry(ungti_d), | |
797 | entry(ltgtr_d), entry(ltgti_d), | |
798 | entry(ordr_d), entry(ordi_d), | |
799 | entry(unordr_d), entry(unordi_d), | |
800 | entry(truncr_d_i), | |
801 | #if __WORDSIZE == 64 | |
802 | entry(truncr_d_l), | |
803 | #endif | |
804 | entry(truncr_d), | |
805 | entry(extr_d), entry(extr_f_d), | |
806 | entry(movr_d), entry(movi_d), | |
807 | entry(ldr_d), entry(ldi_d), | |
808 | entry(ldxr_d), entry(ldxi_d), | |
809 | entry(str_d), entry(sti_d), | |
810 | entry(stxr_d), entry(stxi_d), | |
811 | entry(bltr_d), entry(blti_d), | |
812 | entry(bler_d), entry(blei_d), | |
813 | entry(beqr_d), entry(beqi_d), | |
814 | entry(bger_d), entry(bgei_d), | |
815 | entry(bgtr_d), entry(bgti_d), | |
816 | entry(bner_d), entry(bnei_d), | |
817 | entry(bunltr_d), entry(bunlti_d), | |
818 | entry(bunler_d), entry(bunlei_d), | |
819 | entry(buneqr_d), entry(buneqi_d), | |
820 | entry(bunger_d), entry(bungei_d), | |
821 | entry(bungtr_d), entry(bungti_d), | |
822 | entry(bltgtr_d), entry(bltgti_d), | |
823 | entry(bordr_d), entry(bordi_d), | |
824 | entry(bunordr_d), entry(bunordi_d), | |
825 | entry(pushargr_d), entry(pushargi_d), | |
826 | entry(retr_d), entry(reti_d), | |
827 | entry(retval_d), | |
828 | entry2("va_start", vastart), | |
829 | entry2("va_push", vapush), | |
830 | entry2("va_arg", vaarg), | |
831 | entry2("va_arg_d", vaarg_d), | |
832 | entry2("va_end", vaend), | |
833 | #undef entry | |
834 | }; | |
835 | ||
836 | /* | |
837 | * Implementation | |
838 | */ | |
839 | static jit_gpr_t | |
840 | get_ireg(void) | |
841 | { | |
842 | if (primary(skip_ws) != tok_register) | |
843 | error("bad register"); | |
844 | if (parser.regtype != type_l) | |
845 | error("bad int register"); | |
846 | ||
847 | return ((jit_gpr_t)parser.regval); | |
848 | } | |
849 | ||
850 | static jit_fpr_t | |
851 | get_freg(void) | |
852 | { | |
853 | if (primary(skip_ws) != tok_register) | |
854 | error("bad register"); | |
855 | if (parser.regtype != type_d) | |
856 | error("bad float register"); | |
857 | ||
858 | return ((jit_fpr_t)parser.regval); | |
859 | } | |
860 | ||
861 | static symbol_t * | |
862 | get_symbol(void) | |
863 | { | |
864 | symbol_t *symbol; | |
865 | int ch = skipws(); | |
866 | ||
867 | if (ch != '$') | |
868 | error("expecting variable"); | |
869 | (void)identifier('$'); | |
870 | if (parser.string[1] == '\0') | |
871 | error("expecting variable"); | |
872 | if ((symbol = get_symbol_by_name(parser.string)) == NULL) | |
873 | symbol = new_symbol(parser.string); | |
874 | ||
875 | return (symbol); | |
876 | } | |
877 | ||
878 | static void | |
879 | jmp_forward(void *value, label_t *label) | |
880 | { | |
881 | (void)new_patch(patch_kind_jmp, label, value); | |
882 | } | |
883 | ||
884 | static void | |
885 | mov_forward(void *value, label_t *label) | |
886 | { | |
887 | (void)new_patch(patch_kind_mov, label, value); | |
888 | } | |
889 | ||
890 | static void | |
891 | call_forward(void *value, label_t *label) | |
892 | { | |
893 | (void)new_patch(patch_kind_call, label, value); | |
894 | } | |
895 | ||
896 | static void | |
897 | make_arg(void *value) | |
898 | { | |
899 | symbol_t *symbol = get_symbol(); | |
900 | ||
901 | symbol->type = type_p; | |
902 | symbol->value.p = value; | |
903 | } | |
904 | ||
905 | static jit_pointer_t | |
906 | get_arg(void) | |
907 | { | |
908 | symbol_t *symbol = get_symbol(); | |
909 | ||
910 | if (symbol->type != type_p) | |
911 | error("bad argument %s type", symbol->name); | |
912 | ||
913 | return symbol->value.p; | |
914 | } | |
915 | ||
916 | static jit_word_t | |
917 | get_imm(void) | |
918 | { | |
919 | int ch; | |
920 | label_t *label; | |
921 | jit_word_t value; | |
922 | ch = skipws(); | |
923 | switch (ch) { | |
924 | case '+': case '-': case '0' ... '9': | |
925 | ungetch(ch); | |
926 | value = get_int(skip_none); | |
927 | break; | |
928 | case '\'': | |
929 | character(); | |
930 | value = parser.value.i; | |
931 | break; | |
932 | case '$': | |
933 | switch (expression()) { | |
934 | case tok_int: | |
935 | case tok_pointer: | |
936 | value = parser.value.i; | |
937 | break; | |
938 | default: | |
939 | error("expecting immediate"); | |
940 | } | |
941 | break; | |
942 | case '@': | |
943 | dynamic(); | |
944 | value = (jit_word_t)parser.value.p; | |
945 | break; | |
946 | default: | |
947 | ungetch(ch); | |
948 | label = get_label(skip_none); | |
949 | if (label->kind == label_kind_data) | |
950 | value = (jit_word_t)label->value; | |
951 | else | |
952 | error("expecting immediate"); | |
953 | break; | |
954 | } | |
955 | return (value); | |
956 | } | |
957 | ||
958 | #define entry(name) \ | |
959 | static void \ | |
960 | name(void) \ | |
961 | { \ | |
962 | jit_##name(); \ | |
963 | } | |
964 | #define entry_ca(name) \ | |
965 | static void \ | |
966 | name(void) \ | |
967 | { \ | |
968 | make_arg(jit_##name()); \ | |
969 | } | |
970 | #define entry_ia(name) \ | |
971 | static void \ | |
972 | name(void) \ | |
973 | { \ | |
974 | jit_gpr_t r0 = get_ireg(); \ | |
975 | jit_pointer_t ac = get_arg(); \ | |
976 | jit_##name(r0, ac); \ | |
977 | } | |
978 | #define entry_im(name) \ | |
979 | static void \ | |
980 | name(void) \ | |
981 | { \ | |
982 | jit_word_t im = get_imm(); \ | |
983 | jit_##name(im); \ | |
984 | } | |
985 | #define entry_ir(name) \ | |
986 | static void \ | |
987 | name(void) \ | |
988 | { \ | |
989 | jit_gpr_t r0 = get_ireg(); \ | |
990 | jit_##name(r0); \ | |
991 | } | |
992 | #define entry_ima(name) \ | |
993 | static void \ | |
994 | name(void) \ | |
995 | { \ | |
996 | jit_word_t im = get_imm(); \ | |
997 | jit_pointer_t ac = get_arg(); \ | |
998 | jit_##name(im, ac); \ | |
999 | } | |
1000 | #define entry_ir_ir_ir(name) \ | |
1001 | static void \ | |
1002 | name(void) \ | |
1003 | { \ | |
1004 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(), r2 = get_ireg(); \ | |
1005 | jit_##name(r0, r1, r2); \ | |
1006 | } | |
1007 | #define entry_ir_ir_im(name) \ | |
1008 | static void \ | |
1009 | name(void) \ | |
1010 | { \ | |
1011 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \ | |
1012 | jit_word_t im = get_imm(); \ | |
1013 | jit_##name(r0, r1, im); \ | |
1014 | } | |
1015 | #define entry_ir_ir_ir_ir(name) \ | |
1016 | static void \ | |
1017 | name(void) \ | |
1018 | { \ | |
1019 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(), \ | |
1020 | r2 = get_ireg(), r3 = get_ireg(); \ | |
1021 | jit_##name(r0, r1, r2, r3); \ | |
1022 | } | |
1023 | #define entry_ir_ir_ir_im(name) \ | |
1024 | static void \ | |
1025 | name(void) \ | |
1026 | { \ | |
1027 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(), r2 = get_ireg(); \ | |
1028 | jit_word_t im = get_imm(); \ | |
1029 | jit_##name(r0, r1, r2, im); \ | |
1030 | } | |
1031 | #define entry_ir_ir(name) \ | |
1032 | static void \ | |
1033 | name(void) \ | |
1034 | { \ | |
1035 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \ | |
1036 | jit_##name(r0, r1); \ | |
1037 | } | |
1038 | #define entry_ir_im(name) \ | |
1039 | static void \ | |
1040 | name(void) \ | |
1041 | { \ | |
1042 | jit_gpr_t r0 = get_ireg(); \ | |
1043 | jit_word_t im = get_imm(); \ | |
1044 | jit_##name(r0, im); \ | |
1045 | } | |
1046 | #define entry_ir_pm(name) \ | |
1047 | static void \ | |
1048 | name(void) \ | |
1049 | { \ | |
1050 | jit_gpr_t r0 = get_ireg(); \ | |
1051 | void *pm = get_pointer(skip_ws); \ | |
1052 | jit_##name(r0, pm); \ | |
1053 | } | |
1054 | #define entry_pm_ir(name) \ | |
1055 | static void \ | |
1056 | name(void) \ | |
1057 | { \ | |
1058 | void *pm = get_pointer(skip_ws); \ | |
1059 | jit_gpr_t r0 = get_ireg(); \ | |
1060 | jit_##name(pm, r0); \ | |
1061 | } | |
1062 | #define entry_im_ir_ir(name) \ | |
1063 | static void \ | |
1064 | name(void) \ | |
1065 | { \ | |
1066 | jit_word_t im = get_imm(); \ | |
1067 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \ | |
1068 | (void)jit_##name(im, r0, r1); \ | |
1069 | } | |
1070 | #define entry_lb_ir_ir(name) \ | |
1071 | static void \ | |
1072 | name(void) \ | |
1073 | { \ | |
1074 | jit_node_t *jmp; \ | |
1075 | label_t *label = get_label(skip_ws); \ | |
1076 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \ | |
1077 | if (label->kind == label_kind_code_forward) \ | |
1078 | jmp_forward((void *)jit_##name(r0, r1), label); \ | |
1079 | else { \ | |
1080 | jmp = jit_##name(r0, r1); \ | |
1081 | jit_patch_at(jmp, (jit_node_t *)label->value); \ | |
1082 | } \ | |
1083 | } | |
1084 | #define entry_lb_ir_im(name) \ | |
1085 | static void \ | |
1086 | name(void) \ | |
1087 | { \ | |
1088 | jit_node_t *jmp; \ | |
1089 | label_t *label = get_label(skip_ws); \ | |
1090 | jit_gpr_t r0 = get_ireg(); \ | |
1091 | jit_word_t im = get_imm(); \ | |
1092 | if (label->kind == label_kind_code_forward) \ | |
1093 | jmp_forward((void *)jit_##name(r0, im), label); \ | |
1094 | else { \ | |
1095 | jmp = jit_##name(r0, im); \ | |
1096 | jit_patch_at(jmp, (jit_node_t *)label->value); \ | |
1097 | } \ | |
1098 | } | |
1099 | #define entry_lb(name) \ | |
1100 | static void \ | |
1101 | name(void) \ | |
1102 | { \ | |
1103 | jit_node_t *jmp; \ | |
1104 | label_t *label = get_label(skip_ws); \ | |
1105 | if (label->kind == label_kind_code_forward) \ | |
1106 | jmp_forward((void *)jit_##name(), label); \ | |
1107 | else { \ | |
1108 | jmp = jit_##name(); \ | |
1109 | jit_patch_at(jmp, (jit_node_t *)label->value); \ | |
1110 | } \ | |
1111 | } | |
1112 | #define entry_pm(name) \ | |
1113 | static void \ | |
1114 | name(void) \ | |
1115 | { \ | |
1116 | void *pm = get_pointer(skip_ws); \ | |
1117 | jit_##name(pm); \ | |
1118 | } | |
1119 | #define entry_fa(name) \ | |
1120 | static void \ | |
1121 | name(void) \ | |
1122 | { \ | |
1123 | jit_fpr_t r0 = get_freg(); \ | |
1124 | jit_pointer_t ac = get_arg(); \ | |
1125 | jit_##name(r0, ac); \ | |
1126 | } | |
1127 | #define entry_fma(name) \ | |
1128 | static void \ | |
1129 | name(void) \ | |
1130 | { \ | |
1131 | jit_float64_t im = get_float(skip_ws); \ | |
1132 | jit_pointer_t ac = get_arg(); \ | |
1133 | jit_##name(im, ac); \ | |
1134 | } | |
1135 | #define entry_fr_fr_fr(name) \ | |
1136 | static void \ | |
1137 | name(void) \ | |
1138 | { \ | |
1139 | jit_fpr_t r0 = get_freg(), r1 = get_freg(), r2 = get_freg(); \ | |
1140 | jit_##name(r0, r1, r2); \ | |
1141 | } | |
1142 | #define entry_fr_fr_fm(name) \ | |
1143 | static void \ | |
1144 | name(void) \ | |
1145 | { \ | |
1146 | jit_fpr_t r0 = get_freg(), r1 = get_freg(); \ | |
1147 | jit_float64_t im = get_float(skip_ws); \ | |
1148 | jit_##name(r0, r1, make_float(im)); \ | |
1149 | } | |
1150 | #define entry_fr_fr_dm(name) \ | |
1151 | static void \ | |
1152 | name(void) \ | |
1153 | { \ | |
1154 | jit_fpr_t r0 = get_freg(), r1 = get_freg(); \ | |
1155 | jit_float64_t im = get_float(skip_ws); \ | |
1156 | jit_##name(r0, r1, im); \ | |
1157 | } | |
1158 | #define entry_fr_fr(name) \ | |
1159 | static void \ | |
1160 | name(void) \ | |
1161 | { \ | |
1162 | jit_fpr_t r0 = get_freg(), r1 = get_freg(); \ | |
1163 | jit_##name(r0, r1); \ | |
1164 | } | |
1165 | #define entry_ir_fr_fr(name) \ | |
1166 | static void \ | |
1167 | name(void) \ | |
1168 | { \ | |
1169 | jit_gpr_t r0 = get_ireg(); \ | |
1170 | jit_fpr_t r1 = get_freg(), r2 = get_freg(); \ | |
1171 | jit_##name(r0, r1, r2); \ | |
1172 | } | |
1173 | #define entry_ir_fr_fm(name) \ | |
1174 | static void \ | |
1175 | name(void) \ | |
1176 | { \ | |
1177 | jit_gpr_t r0 = get_ireg(); \ | |
1178 | jit_fpr_t r1 = get_freg(); \ | |
1179 | jit_float64_t im = get_float(skip_ws); \ | |
1180 | jit_##name(r0, r1, make_float(im)); \ | |
1181 | } | |
1182 | #define entry_ir_fr_dm(name) \ | |
1183 | static void \ | |
1184 | name(void) \ | |
1185 | { \ | |
1186 | jit_gpr_t r0 = get_ireg(); \ | |
1187 | jit_fpr_t r1 = get_freg(); \ | |
1188 | jit_float64_t im = get_float(skip_ws); \ | |
1189 | jit_##name(r0, r1, im); \ | |
1190 | } | |
1191 | #define entry_ir_fr(name) \ | |
1192 | static void \ | |
1193 | name(void) \ | |
1194 | { \ | |
1195 | jit_gpr_t r0 = get_ireg(); \ | |
1196 | jit_fpr_t r1 = get_freg(); \ | |
1197 | jit_##name(r0, r1); \ | |
1198 | } | |
1199 | #define entry_fr_ir(name) \ | |
1200 | static void \ | |
1201 | name(void) \ | |
1202 | { \ | |
1203 | jit_fpr_t r0 = get_freg(); \ | |
1204 | jit_gpr_t r1 = get_ireg(); \ | |
1205 | jit_##name(r0, r1); \ | |
1206 | } | |
1207 | #define entry_fr_fm(name) \ | |
1208 | static void \ | |
1209 | name(void) \ | |
1210 | { \ | |
1211 | jit_fpr_t r0 = get_freg(); \ | |
1212 | jit_float64_t im = get_float(skip_ws); \ | |
1213 | jit_##name(r0, make_float(im)); \ | |
1214 | } | |
1215 | #define entry_fr_dm(name) \ | |
1216 | static void \ | |
1217 | name(void) \ | |
1218 | { \ | |
1219 | jit_fpr_t r0 = get_freg(); \ | |
1220 | jit_float64_t im = get_float(skip_ws); \ | |
1221 | jit_##name(r0, im); \ | |
1222 | } | |
1223 | #define entry_fr_pm(name) \ | |
1224 | static void \ | |
1225 | name(void) \ | |
1226 | { \ | |
1227 | jit_fpr_t r0 = get_freg(); \ | |
1228 | void *pm = get_pointer(skip_ws); \ | |
1229 | jit_##name(r0, pm); \ | |
1230 | } | |
1231 | #define entry_fr_ir_ir(name) \ | |
1232 | static void \ | |
1233 | name(void) \ | |
1234 | { \ | |
1235 | jit_fpr_t r0 = get_freg(); \ | |
1236 | jit_gpr_t r1 = get_ireg(), r2 = get_ireg(); \ | |
1237 | jit_##name(r0, r1, r2); \ | |
1238 | } | |
1239 | #define entry_fr_ir_im(name) \ | |
1240 | static void \ | |
1241 | name(void) \ | |
1242 | { \ | |
1243 | jit_fpr_t r0 = get_freg(); \ | |
1244 | jit_gpr_t r1 = get_ireg(); \ | |
1245 | jit_word_t im = get_imm(); \ | |
1246 | jit_##name(r0, r1, im); \ | |
1247 | } | |
1248 | #define entry_pm_fr(name) \ | |
1249 | static void \ | |
1250 | name(void) \ | |
1251 | { \ | |
1252 | void *pm = get_pointer(skip_ws); \ | |
1253 | jit_fpr_t r0 = get_freg(); \ | |
1254 | jit_##name(pm, r0); \ | |
1255 | } | |
1256 | #define entry_ir_ir_fr(name) \ | |
1257 | static void \ | |
1258 | name(void) \ | |
1259 | { \ | |
1260 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); \ | |
1261 | jit_fpr_t r2 = get_freg(); \ | |
1262 | jit_##name(r0, r1, r2); \ | |
1263 | } | |
1264 | #define entry_im_ir_fr(name) \ | |
1265 | static void \ | |
1266 | name(void) \ | |
1267 | { \ | |
1268 | jit_word_t im = get_imm(); \ | |
1269 | jit_gpr_t r0 = get_ireg(); \ | |
1270 | jit_fpr_t r1 = get_freg(); \ | |
1271 | jit_##name(im, r0, r1); \ | |
1272 | } | |
1273 | #define entry_lb_fr_fr(name) \ | |
1274 | static void \ | |
1275 | name(void) \ | |
1276 | { \ | |
1277 | jit_node_t *jmp; \ | |
1278 | label_t *label = get_label(skip_ws); \ | |
1279 | jit_fpr_t r0 = get_freg(), r1 = get_freg(); \ | |
1280 | if (label->kind == label_kind_code_forward) \ | |
1281 | jmp_forward((void *)jit_##name(r0, r1), label); \ | |
1282 | else { \ | |
1283 | jmp = jit_##name(r0, r1); \ | |
1284 | jit_patch_at(jmp, (jit_node_t *)label->value); \ | |
1285 | } \ | |
1286 | } | |
1287 | #define entry_lb_fr_fm(name) \ | |
1288 | static void \ | |
1289 | name(void) \ | |
1290 | { \ | |
1291 | jit_node_t *jmp; \ | |
1292 | label_t *label = get_label(skip_ws); \ | |
1293 | jit_fpr_t r0 = get_freg(); \ | |
1294 | jit_float64_t im = get_float(skip_ws); \ | |
1295 | if (label->kind == label_kind_code_forward) \ | |
1296 | jmp_forward((void *)jit_##name(r0, make_float(im)), label); \ | |
1297 | else { \ | |
1298 | jmp = jit_##name(r0, make_float(im)); \ | |
1299 | jit_patch_at(jmp, (jit_node_t *)label->value); \ | |
1300 | } \ | |
1301 | } | |
1302 | #define entry_lb_fr_dm(name) \ | |
1303 | static void \ | |
1304 | name(void) \ | |
1305 | { \ | |
1306 | jit_node_t *jmp; \ | |
1307 | label_t *label = get_label(skip_ws); \ | |
1308 | jit_fpr_t r0 = get_freg(); \ | |
1309 | jit_float64_t im = get_float(skip_ws); \ | |
1310 | if (label->kind == label_kind_code_forward) \ | |
1311 | jmp_forward((void *)jit_##name(r0, im), label); \ | |
1312 | else { \ | |
1313 | jmp = jit_##name(r0, im); \ | |
1314 | jit_patch_at(jmp, (jit_node_t *)label->value); \ | |
1315 | } \ | |
1316 | } | |
1317 | #define entry_fr(name) \ | |
1318 | static void \ | |
1319 | name(void) \ | |
1320 | { \ | |
1321 | jit_fpr_t r0 = get_freg(); \ | |
1322 | jit_##name(r0); \ | |
1323 | } | |
1324 | #define entry_fm(name) \ | |
1325 | static void \ | |
1326 | name(void) \ | |
1327 | { \ | |
1328 | jit_float64_t im = get_float(skip_ws); \ | |
1329 | jit_##name(make_float(im)); \ | |
1330 | } | |
1331 | #define entry_dm(name) \ | |
1332 | static void \ | |
1333 | name(void) \ | |
1334 | { \ | |
1335 | jit_float64_t im = get_float(skip_ws); \ | |
1336 | jit_##name(im); \ | |
1337 | } | |
1338 | #define entry_fn(name) \ | |
1339 | static void \ | |
1340 | name(void) \ | |
1341 | { \ | |
1342 | int ch; \ | |
1343 | label_t *label; \ | |
1344 | void *value; \ | |
1345 | ch = skipws(); \ | |
1346 | switch (ch) { \ | |
1347 | case '0' ... '9': \ | |
1348 | ungetch(ch); \ | |
1349 | value = (void *)(jit_word_t)get_uint(skip_none); \ | |
1350 | break; \ | |
1351 | case '$': \ | |
1352 | switch (expression()) { \ | |
1353 | case tok_int: \ | |
1354 | value = (void *)parser.value.i; \ | |
1355 | break; \ | |
1356 | case tok_pointer: \ | |
1357 | value = parser.value.p; \ | |
1358 | break; \ | |
1359 | default: \ | |
1360 | error("expecting pointer"); \ | |
1361 | } \ | |
1362 | break; \ | |
1363 | case '@': \ | |
1364 | dynamic(); \ | |
1365 | value = parser.value.p; \ | |
1366 | break; \ | |
1367 | default: \ | |
1368 | ungetch(ch); \ | |
1369 | label = get_label(skip_none); \ | |
1370 | if (label->kind == label_kind_code_forward) \ | |
1371 | call_forward((void *)jit_##name(NULL), label); \ | |
1372 | else \ | |
1373 | jit_patch_at(jit_##name(NULL), label->value); \ | |
1374 | return; \ | |
1375 | } \ | |
1376 | jit_##name(value); \ | |
1377 | } | |
1378 | static void | |
1379 | name(void) { | |
1380 | int ch = skipws(); | |
1381 | (void)identifier(ch); | |
1382 | jit_name(parser.string); | |
1383 | } | |
1384 | static void | |
1385 | live(void) { | |
1386 | if (primary(skip_ws) != tok_register) | |
1387 | error("bad register"); | |
1388 | jit_live(parser.regval); | |
1389 | } | |
1390 | entry_im(align) | |
1391 | entry(prolog) | |
1392 | entry_im(frame) entry_im(tramp) | |
1393 | entry(ellipsis) | |
1394 | void | |
1395 | allocai(void) { | |
1396 | symbol_t *symbol; | |
1397 | jit_word_t i, im = get_imm(); | |
1398 | i = jit_allocai(im); | |
1399 | symbol = get_symbol(); | |
1400 | symbol->type = type_l; | |
1401 | symbol->value.i = i; | |
1402 | } | |
1403 | entry_ir_ir(allocar) | |
1404 | entry_ca(arg) | |
1405 | entry_ia(getarg_c) entry_ia(getarg_uc) | |
1406 | entry_ia(getarg_s) entry_ia(getarg_us) | |
1407 | entry_ia(getarg_i) | |
1408 | #if __WORDSIZE == 64 | |
1409 | entry_ia(getarg_ui) entry_ia(getarg_l) | |
1410 | #endif | |
1411 | entry_ia(getarg) | |
1412 | entry_ia(putargr) entry_ima(putargi) | |
1413 | entry_ir_ir_ir(addr) entry_ir_ir_im(addi) | |
1414 | entry_ir_ir_ir(addxr) entry_ir_ir_im(addxi) | |
1415 | entry_ir_ir_ir(addcr) entry_ir_ir_im(addci) | |
1416 | entry_ir_ir_ir(subr) entry_ir_ir_im(subi) | |
1417 | entry_ir_ir_ir(subxr) entry_ir_ir_im(subxi) | |
1418 | entry_ir_ir_ir(subcr) entry_ir_ir_im(subci) | |
1419 | entry_ir_ir_ir(rsbr) entry_ir_ir_im(rsbi) | |
1420 | entry_ir_ir_ir(mulr) entry_ir_ir_im(muli) | |
1421 | entry_ir_ir_ir_ir(qmulr) entry_ir_ir_ir_im(qmuli) | |
1422 | entry_ir_ir_ir_ir(qmulr_u) entry_ir_ir_ir_im(qmuli_u) | |
1423 | entry_ir_ir_ir(divr) entry_ir_ir_im(divi) | |
1424 | entry_ir_ir_ir(divr_u) entry_ir_ir_im(divi_u) | |
1425 | entry_ir_ir_ir_ir(qdivr) entry_ir_ir_ir_im(qdivi) | |
1426 | entry_ir_ir_ir_ir(qdivr_u) entry_ir_ir_ir_im(qdivi_u) | |
1427 | entry_ir_ir_ir(remr) entry_ir_ir_im(remi) | |
1428 | entry_ir_ir_ir(remr_u) entry_ir_ir_im(remi_u) | |
1429 | entry_ir_ir_ir(andr) entry_ir_ir_im(andi) | |
1430 | entry_ir_ir_ir(orr) entry_ir_ir_im(ori) | |
1431 | entry_ir_ir_ir(xorr) entry_ir_ir_im(xori) | |
1432 | entry_ir_ir_ir(lshr) entry_ir_ir_im(lshi) | |
1433 | entry_ir_ir_ir(rshr) entry_ir_ir_im(rshi) | |
1434 | entry_ir_ir_ir(rshr_u) entry_ir_ir_im(rshi_u) | |
1435 | entry_ir_ir(negr) entry_ir_ir(comr) | |
1436 | entry_ir_ir_ir(ltr) entry_ir_ir_im(lti) | |
1437 | entry_ir_ir_ir(ltr_u) entry_ir_ir_im(lti_u) | |
1438 | entry_ir_ir_ir(ler) entry_ir_ir_im(lei) | |
1439 | entry_ir_ir_ir(ler_u) entry_ir_ir_im(lei_u) | |
1440 | entry_ir_ir_ir(eqr) entry_ir_ir_im(eqi) | |
1441 | entry_ir_ir_ir(ger) entry_ir_ir_im(gei) | |
1442 | entry_ir_ir_ir(ger_u) entry_ir_ir_im(gei_u) | |
1443 | entry_ir_ir_ir(gtr) entry_ir_ir_im(gti) | |
1444 | entry_ir_ir_ir(gtr_u) entry_ir_ir_im(gti_u) | |
1445 | entry_ir_ir_ir(ner) entry_ir_ir_im(nei) | |
1446 | entry_ir_ir(movr) | |
1447 | static void | |
1448 | movi(void) | |
1449 | { | |
1450 | int ch; | |
1451 | label_t *label; | |
1452 | void *value; | |
1453 | jit_gpr_t r0 = get_ireg(); | |
1454 | ch = skipws(); | |
1455 | switch (ch) { | |
1456 | case '+': case '-': | |
1457 | case '0' ... '9': | |
1458 | ungetch(ch); | |
1459 | value = (void *)(jit_word_t)get_uint(skip_none); | |
1460 | break; | |
1461 | case '\'': | |
1462 | character(); | |
1463 | value = (void *)parser.value.i; | |
1464 | break; | |
1465 | case '$': | |
1466 | switch (expression()) { | |
1467 | case tok_int: | |
1468 | value = (void *)parser.value.i; | |
1469 | break; | |
1470 | case tok_pointer: | |
1471 | value = parser.value.p; | |
1472 | break; | |
1473 | default: | |
1474 | error("expecting pointer"); | |
1475 | } | |
1476 | break; | |
1477 | case '@': | |
1478 | dynamic(); | |
1479 | value = parser.value.p; | |
1480 | break; | |
1481 | default: | |
1482 | ungetch(ch); | |
1483 | label = get_label(skip_none); | |
1484 | if (label->kind == label_kind_code || | |
1485 | label->kind == label_kind_code_forward) { | |
1486 | mov_forward((void *)jit_movi(r0, 0), label); | |
1487 | return; | |
1488 | } | |
1489 | value = label->value; | |
1490 | break; | |
1491 | } | |
1492 | jit_movi(r0, (jit_word_t)value); | |
1493 | } | |
1494 | entry_ir_ir(extr_c) entry_ir_ir(extr_uc) | |
1495 | entry_ir_ir(extr_s) entry_ir_ir(extr_us) | |
1496 | #if __WORDSIZE == 64 | |
1497 | entry_ir_ir(extr_i) entry_ir_ir(extr_ui) | |
1498 | #endif | |
1499 | entry_ir_ir(htonr_us) entry_ir_ir(ntohr_us) | |
1500 | entry_ir_ir(htonr_ui) entry_ir_ir(ntohr_ui) | |
1501 | #if __WORDSIZE == 64 | |
1502 | entry_ir_ir(htonr_ul) entry_ir_ir(ntohr_ul) | |
1503 | #endif | |
1504 | entry_ir_ir(htonr) entry_ir_ir(ntohr) | |
40a44dcb PC |
1505 | entry_ir_ir(bswapr_us) entry_ir_ir(bswapr_ui) |
1506 | #if __WORDSIZE == 64 | |
1507 | entry_ir_ir(bswapr_ul) | |
1508 | #endif | |
1509 | entry_ir_ir(bswapr) | |
e0659411 | 1510 | entry_ir_ir_ir(movnr) entry_ir_ir_ir(movzr) |
4a71579b PC |
1511 | entry_ir_ir(ldr_c) entry_ir_pm(ldi_c) |
1512 | entry_ir_ir(ldr_uc) entry_ir_pm(ldi_uc) | |
1513 | entry_ir_ir(ldr_s) entry_ir_pm(ldi_s) | |
1514 | entry_ir_ir(ldr_us) entry_ir_pm(ldi_us) | |
1515 | entry_ir_ir(ldr_i) entry_ir_pm(ldi_i) | |
1516 | #if __WORDSIZE == 64 | |
1517 | entry_ir_ir(ldr_ui) entry_ir_pm(ldi_ui) | |
1518 | entry_ir_ir(ldr_l) entry_ir_pm(ldi_l) | |
1519 | #endif | |
1520 | entry_ir_ir(ldr) entry_ir_pm(ldi) | |
1521 | entry_ir_ir_ir(ldxr_c) entry_ir_ir_im(ldxi_c) | |
1522 | entry_ir_ir_ir(ldxr_uc) entry_ir_ir_im(ldxi_uc) | |
1523 | entry_ir_ir_ir(ldxr_s) entry_ir_ir_im(ldxi_s) | |
1524 | entry_ir_ir_ir(ldxr_us) entry_ir_ir_im(ldxi_us) | |
1525 | entry_ir_ir_ir(ldxr_i) entry_ir_ir_im(ldxi_i) | |
1526 | #if __WORDSIZE == 64 | |
1527 | entry_ir_ir_ir(ldxr_ui) entry_ir_ir_im(ldxi_ui) | |
1528 | entry_ir_ir_ir(ldxr_l) entry_ir_ir_im(ldxi_l) | |
1529 | #endif | |
1530 | entry_ir_ir_ir(ldxr) entry_ir_ir_im(ldxi) | |
1531 | entry_ir_ir(str_c) entry_pm_ir(sti_c) | |
1532 | entry_ir_ir(str_s) entry_pm_ir(sti_s) | |
1533 | entry_ir_ir(str_i) entry_pm_ir(sti_i) | |
1534 | #if __WORDSIZE == 64 | |
1535 | entry_ir_ir(str_l) entry_pm_ir(sti_l) | |
1536 | #endif | |
1537 | entry_ir_ir(str) entry_pm_ir(sti) | |
1538 | entry_ir_ir_ir(stxr_c) entry_im_ir_ir(stxi_c) | |
1539 | entry_ir_ir_ir(stxr_s) entry_im_ir_ir(stxi_s) | |
1540 | entry_ir_ir_ir(stxr_i) entry_im_ir_ir(stxi_i) | |
1541 | #if __WORDSIZE == 64 | |
1542 | entry_ir_ir_ir(stxr_l) entry_im_ir_ir(stxi_l) | |
1543 | #endif | |
1544 | entry_ir_ir_ir(stxr) entry_im_ir_ir(stxi) | |
1545 | entry_lb_ir_ir(bltr) entry_lb_ir_im(blti) | |
1546 | entry_lb_ir_ir(bltr_u) entry_lb_ir_im(blti_u) | |
1547 | entry_lb_ir_ir(bler) entry_lb_ir_im(blei) | |
1548 | entry_lb_ir_ir(bler_u) entry_lb_ir_im(blei_u) | |
1549 | entry_lb_ir_ir(beqr) entry_lb_ir_im(beqi) | |
1550 | entry_lb_ir_ir(bger) entry_lb_ir_im(bgei) | |
1551 | entry_lb_ir_ir(bger_u) entry_lb_ir_im(bgei_u) | |
1552 | entry_lb_ir_ir(bgtr) entry_lb_ir_im(bgti) | |
1553 | entry_lb_ir_ir(bgtr_u) entry_lb_ir_im(bgti_u) | |
1554 | entry_lb_ir_ir(bner) entry_lb_ir_im(bnei) | |
1555 | entry_lb_ir_ir(bmsr) entry_lb_ir_im(bmsi) | |
1556 | entry_lb_ir_ir(bmcr) entry_lb_ir_im(bmci) | |
1557 | entry_lb_ir_ir(boaddr) entry_lb_ir_im(boaddi) | |
1558 | entry_lb_ir_ir(boaddr_u) entry_lb_ir_im(boaddi_u) | |
1559 | entry_lb_ir_ir(bxaddr) entry_lb_ir_im(bxaddi) | |
1560 | entry_lb_ir_ir(bxaddr_u) entry_lb_ir_im(bxaddi_u) | |
1561 | entry_lb_ir_ir(bosubr) entry_lb_ir_im(bosubi) | |
1562 | entry_lb_ir_ir(bosubr_u) entry_lb_ir_im(bosubi_u) | |
1563 | entry_lb_ir_ir(bxsubr) entry_lb_ir_im(bxsubi) | |
1564 | entry_lb_ir_ir(bxsubr_u) entry_lb_ir_im(bxsubi_u) | |
1565 | entry_ir(jmpr) entry_lb(jmpi) | |
1566 | entry_ir(callr) entry_fn(calli) | |
1567 | entry(prepare) | |
1568 | entry_ir(pushargr) entry_im(pushargi) | |
1569 | entry_ir(finishr) entry_fn(finishi) | |
1570 | entry(ret) | |
1571 | entry_ir(retr) entry_im(reti) | |
1572 | entry_ir(retval_c) entry_ir(retval_uc) | |
1573 | entry_ir(retval_s) entry_ir(retval_us) | |
1574 | entry_ir(retval_i) | |
1575 | #if __WORDSIZE == 64 | |
1576 | entry_ir(retval_ui) entry_ir(retval_l) | |
1577 | #endif | |
1578 | entry_ir(retval) | |
1579 | entry(epilog) | |
1580 | entry_ca(arg_f) entry_fa(getarg_f) | |
1581 | entry_fa(putargr_f) entry_fma(putargi_f) | |
1582 | entry_fr_fr_fr(addr_f) entry_fr_fr_fm(addi_f) | |
1583 | entry_fr_fr_fr(subr_f) entry_fr_fr_fm(subi_f) | |
1584 | entry_fr_fr_fr(rsbr_f) entry_fr_fr_fm(rsbi_f) | |
1585 | entry_fr_fr_fr(mulr_f) entry_fr_fr_fm(muli_f) | |
1586 | entry_fr_fr_fr(divr_f) entry_fr_fr_fm(divi_f) | |
1587 | entry_fr_fr(negr_f) entry_fr_fr(absr_f) | |
1588 | entry_fr_fr(sqrtr_f) | |
1589 | entry_ir_fr_fr(ltr_f) entry_ir_fr_fm(lti_f) | |
1590 | entry_ir_fr_fr(ler_f) entry_ir_fr_fm(lei_f) | |
1591 | entry_ir_fr_fr(eqr_f) entry_ir_fr_fm(eqi_f) | |
1592 | entry_ir_fr_fr(ger_f) entry_ir_fr_fm(gei_f) | |
1593 | entry_ir_fr_fr(gtr_f) entry_ir_fr_fm(gti_f) | |
1594 | entry_ir_fr_fr(ner_f) entry_ir_fr_fm(nei_f) | |
1595 | entry_ir_fr_fr(unltr_f) entry_ir_fr_fm(unlti_f) | |
1596 | entry_ir_fr_fr(unler_f) entry_ir_fr_fm(unlei_f) | |
1597 | entry_ir_fr_fr(uneqr_f) entry_ir_fr_fm(uneqi_f) | |
1598 | entry_ir_fr_fr(unger_f) entry_ir_fr_fm(ungei_f) | |
1599 | entry_ir_fr_fr(ungtr_f) entry_ir_fr_fm(ungti_f) | |
1600 | entry_ir_fr_fr(ltgtr_f) entry_ir_fr_fm(ltgti_f) | |
1601 | entry_ir_fr_fr(ordr_f) entry_ir_fr_fm(ordi_f) | |
1602 | entry_ir_fr_fr(unordr_f) entry_ir_fr_fm(unordi_f) | |
1603 | entry_ir_fr(truncr_f_i) | |
1604 | #if __WORDSIZE == 64 | |
1605 | entry_ir_fr(truncr_f_l) | |
1606 | #endif | |
1607 | entry_ir_fr(truncr_f) | |
1608 | entry_fr_ir(extr_f) entry_fr_fr(extr_d_f) | |
1609 | entry_fr_fr(movr_f) entry_fr_fm(movi_f) | |
1610 | entry_fr_ir(ldr_f) entry_fr_pm(ldi_f) | |
1611 | entry_fr_ir_ir(ldxr_f) entry_fr_ir_im(ldxi_f) | |
1612 | entry_ir_fr(str_f) entry_pm_fr(sti_f) | |
1613 | entry_ir_ir_fr(stxr_f) entry_im_ir_fr(stxi_f) | |
1614 | entry_lb_fr_fr(bltr_f) entry_lb_fr_fm(blti_f) | |
1615 | entry_lb_fr_fr(bler_f) entry_lb_fr_fm(blei_f) | |
1616 | entry_lb_fr_fr(beqr_f) entry_lb_fr_fm(beqi_f) | |
1617 | entry_lb_fr_fr(bger_f) entry_lb_fr_fm(bgei_f) | |
1618 | entry_lb_fr_fr(bgtr_f) entry_lb_fr_fm(bgti_f) | |
1619 | entry_lb_fr_fr(bner_f) entry_lb_fr_fm(bnei_f) | |
1620 | entry_lb_fr_fr(bunltr_f) entry_lb_fr_fm(bunlti_f) | |
1621 | entry_lb_fr_fr(bunler_f) entry_lb_fr_fm(bunlei_f) | |
1622 | entry_lb_fr_fr(buneqr_f) entry_lb_fr_fm(buneqi_f) | |
1623 | entry_lb_fr_fr(bunger_f) entry_lb_fr_fm(bungei_f) | |
1624 | entry_lb_fr_fr(bungtr_f) entry_lb_fr_fm(bungti_f) | |
1625 | entry_lb_fr_fr(bltgtr_f) entry_lb_fr_fm(bltgti_f) | |
1626 | entry_lb_fr_fr(bordr_f) entry_lb_fr_fm(bordi_f) | |
1627 | entry_lb_fr_fr(bunordr_f) entry_lb_fr_fm(bunordi_f) | |
1628 | entry_fr(pushargr_f) entry_fm(pushargi_f) | |
1629 | entry_fr(retr_f) entry_fm(reti_f) | |
1630 | entry_fr(retval_f) | |
1631 | entry_ca(arg_d) entry_fa(getarg_d) | |
1632 | entry_fa(putargr_d) entry_fma(putargi_d) | |
1633 | entry_fr_fr_fr(addr_d) entry_fr_fr_dm(addi_d) | |
1634 | entry_fr_fr_fr(subr_d) entry_fr_fr_dm(subi_d) | |
1635 | entry_fr_fr_fr(rsbr_d) entry_fr_fr_dm(rsbi_d) | |
1636 | entry_fr_fr_fr(mulr_d) entry_fr_fr_dm(muli_d) | |
1637 | entry_fr_fr_fr(divr_d) entry_fr_fr_dm(divi_d) | |
1638 | entry_fr_fr(negr_d) entry_fr_fr(absr_d) | |
1639 | entry_fr_fr(sqrtr_d) | |
1640 | entry_ir_fr_fr(ltr_d) entry_ir_fr_dm(lti_d) | |
1641 | entry_ir_fr_fr(ler_d) entry_ir_fr_dm(lei_d) | |
1642 | entry_ir_fr_fr(eqr_d) entry_ir_fr_dm(eqi_d) | |
1643 | entry_ir_fr_fr(ger_d) entry_ir_fr_dm(gei_d) | |
1644 | entry_ir_fr_fr(gtr_d) entry_ir_fr_dm(gti_d) | |
1645 | entry_ir_fr_fr(ner_d) entry_ir_fr_dm(nei_d) | |
1646 | entry_ir_fr_fr(unltr_d) entry_ir_fr_dm(unlti_d) | |
1647 | entry_ir_fr_fr(unler_d) entry_ir_fr_dm(unlei_d) | |
1648 | entry_ir_fr_fr(uneqr_d) entry_ir_fr_dm(uneqi_d) | |
1649 | entry_ir_fr_fr(unger_d) entry_ir_fr_dm(ungei_d) | |
1650 | entry_ir_fr_fr(ungtr_d) entry_ir_fr_dm(ungti_d) | |
1651 | entry_ir_fr_fr(ltgtr_d) entry_ir_fr_dm(ltgti_d) | |
1652 | entry_ir_fr_fr(ordr_d) entry_ir_fr_dm(ordi_d) | |
1653 | entry_ir_fr_fr(unordr_d) entry_ir_fr_dm(unordi_d) | |
1654 | entry_ir_fr(truncr_d_i) | |
1655 | #if __WORDSIZE == 64 | |
1656 | entry_ir_fr(truncr_d_l) | |
1657 | #endif | |
1658 | entry_ir_fr(truncr_d) | |
1659 | entry_fr_ir(extr_d) entry_fr_fr(extr_f_d) | |
1660 | entry_fr_fr(movr_d) entry_fr_dm(movi_d) | |
1661 | entry_fr_ir(ldr_d) entry_fr_pm(ldi_d) | |
1662 | entry_fr_ir_ir(ldxr_d) entry_fr_ir_im(ldxi_d) | |
1663 | entry_ir_fr(str_d) entry_pm_fr(sti_d) | |
1664 | entry_ir_ir_fr(stxr_d) entry_im_ir_fr(stxi_d) | |
1665 | entry_lb_fr_fr(bltr_d) entry_lb_fr_dm(blti_d) | |
1666 | entry_lb_fr_fr(bler_d) entry_lb_fr_dm(blei_d) | |
1667 | entry_lb_fr_fr(beqr_d) entry_lb_fr_dm(beqi_d) | |
1668 | entry_lb_fr_fr(bger_d) entry_lb_fr_dm(bgei_d) | |
1669 | entry_lb_fr_fr(bgtr_d) entry_lb_fr_dm(bgti_d) | |
1670 | entry_lb_fr_fr(bner_d) entry_lb_fr_dm(bnei_d) | |
1671 | entry_lb_fr_fr(bunltr_d) entry_lb_fr_dm(bunlti_d) | |
1672 | entry_lb_fr_fr(bunler_d) entry_lb_fr_dm(bunlei_d) | |
1673 | entry_lb_fr_fr(buneqr_d) entry_lb_fr_dm(buneqi_d) | |
1674 | entry_lb_fr_fr(bunger_d) entry_lb_fr_dm(bungei_d) | |
1675 | entry_lb_fr_fr(bungtr_d) entry_lb_fr_dm(bungti_d) | |
1676 | entry_lb_fr_fr(bltgtr_d) entry_lb_fr_dm(bltgti_d) | |
1677 | entry_lb_fr_fr(bordr_d) entry_lb_fr_dm(bordi_d) | |
1678 | entry_lb_fr_fr(bunordr_d) entry_lb_fr_dm(bunordi_d) | |
1679 | entry_fr(pushargr_d) entry_dm(pushargi_d) | |
1680 | entry_fr(retr_d) entry_dm(reti_d) | |
1681 | entry_fr(retval_d) | |
1682 | static void | |
1683 | vastart(void) | |
1684 | { | |
1685 | jit_gpr_t r0 = get_ireg(); | |
1686 | jit_va_start(r0); | |
1687 | } | |
1688 | static void | |
1689 | vapush(void) | |
1690 | { | |
1691 | jit_gpr_t r0 = get_ireg(); | |
1692 | jit_va_push(r0); | |
1693 | } | |
1694 | static void | |
1695 | vaarg(void) | |
1696 | { | |
1697 | jit_gpr_t r0 = get_ireg(), r1 = get_ireg(); | |
1698 | jit_va_arg(r0, r1); | |
1699 | } | |
1700 | static void | |
1701 | vaarg_d(void) | |
1702 | { | |
1703 | jit_fpr_t r0 = get_freg(); | |
1704 | jit_gpr_t r1 = get_ireg(); | |
1705 | jit_va_arg_d(r0, r1); | |
1706 | } | |
1707 | static void | |
1708 | vaend(void) | |
1709 | { | |
1710 | jit_gpr_t r0 = get_ireg(); | |
1711 | jit_va_end(r0); | |
1712 | } | |
1713 | #undef entry_fn | |
1714 | #undef entry_fm | |
1715 | #undef entry_dm | |
1716 | #undef entry_lb_fr_fm | |
1717 | #undef entry_lb_fr_dm | |
1718 | #undef entry_lb_fr_fr | |
1719 | #undef entry_im_ir_fr | |
1720 | #undef entry_ir_ir_fr | |
1721 | #undef entry_pm_fr | |
1722 | #undef entry_fr_ir_ir | |
1723 | #undef entry_fr_ir_im | |
1724 | #undef entry_fr_pm | |
1725 | #undef entry_fr_fm | |
1726 | #undef entry_fr_dm | |
1727 | #undef entry_fr_ir | |
1728 | #undef entry_ir_fr | |
1729 | #undef entry_ir_fr_fm | |
1730 | #undef entry_ir_fr_dm | |
1731 | #undef entry_ir_fr_fr | |
1732 | #undef entry_fr_fr | |
1733 | #undef entry_fr_fr_fm | |
1734 | #undef entry_fr_fr_dm | |
1735 | #undef entry_fr_fr_fr | |
1736 | #undef entry_fma | |
1737 | #undef entry_fa | |
1738 | #undef entry_pm | |
1739 | #undef entry_lb | |
1740 | #undef entry_lb_ir_im | |
1741 | #undef entry_lb_ir_ir | |
1742 | #undef entry_im_ir_ir | |
1743 | #undef entry_pm_ir | |
1744 | #undef entry_ir_pm | |
1745 | #undef entry_ir_im | |
1746 | #undef entry_ir_ir | |
1747 | #undef entry_ir_ir_im | |
1748 | #undef entry_ir_ir_ir | |
1749 | #undef entry_ima | |
1750 | #undef entry_ir | |
1751 | #undef entry_im | |
1752 | #undef entry_ia | |
1753 | #undef entry_ca | |
1754 | #undef entry | |
1755 | ||
1756 | static void | |
1757 | error(const char *format, ...) | |
1758 | { | |
1759 | va_list ap; | |
1760 | int length; | |
1761 | char *string; | |
1762 | ||
1763 | va_start(ap, format); | |
1764 | message("error", format, ap); | |
1765 | va_end(ap); | |
1766 | length = parser.data.length - parser.data.offset; | |
1767 | string = (char *)(parser.data.buffer + parser.data.offset - 1); | |
1768 | if (length > 77) | |
1769 | strcpy(string + 74, "..."); | |
1770 | else | |
1771 | parser.data.buffer[parser.data.length - 1] = '\0'; | |
1772 | fprintf(stderr, "(%s)\n", string); | |
1773 | exit(-1); | |
1774 | } | |
1775 | ||
1776 | static void | |
1777 | warn(const char *format, ...) | |
1778 | { | |
1779 | va_list ap; | |
1780 | va_start(ap, format); | |
1781 | message("warning", format, ap); | |
1782 | va_end(ap); | |
1783 | } | |
1784 | ||
1785 | static void | |
1786 | message(const char *kind, const char *format, va_list ap) | |
1787 | { | |
1788 | fprintf(stderr, "%s:%d: %s: ", parser.name, | |
1789 | parser.line - parser.newline, kind); | |
1790 | vfprintf(stderr, format, ap); | |
1791 | fputc('\n', stderr); | |
1792 | } | |
1793 | ||
1794 | static int | |
1795 | getch(void) | |
1796 | { | |
1797 | int ch; | |
1798 | ||
1799 | if (parser.data.offset < parser.data.length) | |
1800 | ch = parser.data.buffer[parser.data.offset++]; | |
1801 | else { | |
1802 | /* keep first offset for ungetch */ | |
1803 | if ((parser.data.length = fread(parser.data.buffer + 1, 1, | |
1804 | sizeof(parser.data.buffer) - 1, | |
1805 | parser.fp) + 1) <= 1) { | |
1806 | ch = EOF; | |
1807 | parser.data.offset = 1; | |
1808 | } | |
1809 | else { | |
1810 | ch = parser.data.buffer[1]; | |
1811 | parser.data.offset = 2; | |
1812 | } | |
1813 | } | |
1814 | if ((parser.newline = ch == '\n')) | |
1815 | ++parser.line; | |
1816 | ||
1817 | return (ch); | |
1818 | } | |
1819 | ||
1820 | static int | |
1821 | getch_noeof(void) | |
1822 | { | |
1823 | int ch = getch(); | |
1824 | ||
1825 | if (ch == EOF) | |
1826 | error("unexpected end of file"); | |
1827 | ||
1828 | return (ch); | |
1829 | } | |
1830 | ||
1831 | static int | |
1832 | ungetch(int ch) | |
1833 | { | |
1834 | if ((parser.newline = ch == '\n')) | |
1835 | --parser.line; | |
1836 | ||
1837 | if (parser.data.offset) | |
1838 | parser.data.buffer[--parser.data.offset] = ch; | |
1839 | else | |
1840 | /* overwrite */ | |
1841 | parser.data.buffer[0] = ch; | |
1842 | ||
1843 | return (ch); | |
1844 | } | |
1845 | ||
1846 | static int | |
1847 | skipws(void) | |
1848 | { | |
1849 | int ch; | |
1850 | ||
1851 | for (ch = getch();; ch = getch()) { | |
1852 | switch (ch) { | |
1853 | case '/': | |
1854 | ch = skipct(); | |
1855 | break; | |
1856 | case '#': | |
1857 | ch = skipcp(); | |
1858 | break; | |
1859 | } | |
1860 | switch (ch) { | |
1861 | case ' ': case '\f': case '\r': case '\t': | |
1862 | break; | |
1863 | default: | |
1864 | return (ch); | |
1865 | } | |
1866 | } | |
1867 | } | |
1868 | ||
1869 | static int | |
1870 | skipnl(void) | |
1871 | { | |
1872 | int ch; | |
1873 | ||
1874 | for (ch = getch();; ch = getch()) { | |
1875 | switch (ch) { | |
1876 | case '/': | |
1877 | ch = skipct(); | |
1878 | break; | |
1879 | case '#': | |
1880 | ch = skipcp(); | |
1881 | break; | |
1882 | } | |
1883 | switch (ch) { | |
1884 | case ' ': case '\f': case '\n': case '\r': case '\t': | |
1885 | break; | |
1886 | /* handle as newline */ | |
1887 | case ';': | |
1888 | break; | |
1889 | default: | |
1890 | return (ch); | |
1891 | } | |
1892 | } | |
1893 | } | |
1894 | ||
1895 | static int | |
1896 | skipct(void) | |
1897 | { | |
1898 | int ch; | |
1899 | ||
1900 | ch = getch(); | |
1901 | switch (ch) { | |
1902 | case '/': | |
1903 | for (ch = getch(); ch != '\n' && ch != EOF; ch = getch()) | |
1904 | ; | |
1905 | return (ch); | |
1906 | case '*': | |
1907 | for (; ch != '/';) { | |
1908 | while (getch_noeof() != '*') | |
1909 | ; | |
1910 | while ((ch = getch_noeof()) == '*') | |
1911 | ; | |
1912 | } | |
1913 | return (getch()); | |
1914 | default: | |
1915 | ungetch(ch); | |
1916 | return ('/'); | |
1917 | } | |
1918 | } | |
1919 | ||
1920 | static int | |
1921 | skipcp(void) | |
1922 | { | |
1923 | int ch; | |
1924 | ||
1925 | for (ch = getch(); ch != '\n' && ch != EOF; ch = getch()) { | |
1926 | switch (ch) { | |
1927 | case '0' ... '9': | |
1928 | if ((number(ch)) == tok_int) | |
1929 | parser.line = parser.value.i - 1; | |
1930 | break; | |
1931 | case '"': | |
1932 | string(); | |
1933 | if (parser.offset >= (int)sizeof(parser.name)) { | |
1934 | strncpy(parser.name, parser.string, sizeof(parser.name)); | |
1935 | parser.name[sizeof(parser.name) - 1] = '\0'; | |
1936 | } | |
1937 | else | |
1938 | strcpy(parser.name, parser.string); | |
1939 | break; | |
1940 | default: | |
1941 | break; | |
1942 | } | |
1943 | } | |
1944 | ||
1945 | return (ch); | |
1946 | } | |
1947 | ||
1948 | static jit_word_t | |
1949 | get_int(skip_t skip) | |
1950 | { | |
1951 | switch (primary(skip)) { | |
1952 | case tok_int: | |
1953 | break; | |
1954 | case tok_pointer: | |
1955 | parser.type = type_l; | |
1956 | parser.value.i = (jit_word_t)parser.value.p; | |
1957 | break; | |
1958 | default: | |
1959 | error("expecting integer"); | |
1960 | } | |
1961 | ||
1962 | return (parser.value.i); | |
1963 | } | |
1964 | ||
1965 | static jit_uword_t | |
1966 | get_uint(skip_t skip) | |
1967 | { | |
1968 | switch (primary(skip)) { | |
1969 | case tok_char: case tok_int: | |
1970 | break; | |
1971 | case tok_pointer: | |
1972 | parser.type = type_l; | |
1973 | parser.value.ui = (jit_uword_t)parser.value.p; | |
1974 | break; | |
1975 | default: | |
1976 | error("expecting integer"); | |
1977 | } | |
1978 | ||
1979 | return (parser.value.ui); | |
1980 | } | |
1981 | ||
1982 | static double | |
1983 | get_float(skip_t skip) | |
1984 | { | |
1985 | switch (primary(skip)) { | |
1986 | case tok_char: | |
1987 | case tok_int: | |
1988 | parser.type = type_d; | |
1989 | parser.value.d = parser.value.i; | |
1990 | break; | |
1991 | case tok_float: | |
1992 | break; | |
1993 | default: | |
1994 | error("expecting float"); | |
1995 | } | |
1996 | ||
1997 | return (parser.value.d); | |
1998 | } | |
1999 | ||
2000 | /* Workaround gcc not converting unordered values from double to | |
2001 | * float (as done in other architectures) on s390 */ | |
2002 | static float | |
2003 | make_float(double d) | |
2004 | { | |
2005 | /* This is an workaround to a bug in Hercules s390 emulator, | |
2006 | * and at least HP-UX ia64 not have these */ | |
2007 | #if defined(HAVE_ISNAN) && defined(HAVE_ISINF) | |
2008 | if (isnan(d)) return ( 0.0f/0.0f); | |
2009 | if (isinf(d)) { | |
2010 | if (d > 0.0) return ( 1.0f/0.0f); | |
2011 | else return (-1.0f/0.0f); | |
2012 | } | |
2013 | #endif | |
2014 | return ((float)d); | |
2015 | } | |
2016 | ||
2017 | static void * | |
2018 | get_pointer(skip_t skip) | |
2019 | { | |
2020 | label_t *label; | |
2021 | token_t token = primary(skip); | |
2022 | ||
2023 | switch (token) { | |
2024 | case tok_symbol: | |
2025 | label = get_label_by_name(parser.string); | |
2026 | if (label == NULL) | |
2027 | error("bad identifier %s", parser.string); | |
2028 | switch (label->kind) { | |
2029 | case label_kind_data: | |
2030 | case label_kind_code: | |
2031 | break; | |
2032 | case label_kind_code_forward: | |
2033 | /* as expression arguments */ | |
2034 | error("forward references not implemented"); | |
2035 | break; | |
2036 | case label_kind_dynamic: | |
2037 | break; | |
2038 | } | |
2039 | parser.type = type_p; | |
2040 | return (parser.value.p = label->value); | |
2041 | case tok_int: | |
2042 | parser.type = type_p; | |
2043 | return (parser.value.p = (void *)parser.value.ui); | |
2044 | case tok_pointer: | |
2045 | return (parser.value.p); | |
2046 | default: error("bad pointer"); | |
2047 | } | |
2048 | } | |
2049 | ||
2050 | static label_t * | |
2051 | get_label(skip_t skip) | |
2052 | { | |
2053 | label_t *label; | |
2054 | int ch = skipws(); | |
2055 | ||
2056 | switch (ch) { | |
2057 | case '@': | |
2058 | (void)dynamic(); | |
2059 | break; | |
2060 | case 'a' ... 'z': case 'A' ... 'Z': case '_': | |
2061 | (void)identifier(ch); | |
2062 | break; | |
2063 | default: | |
2064 | error("expecting label/immediate"); | |
2065 | } | |
2066 | if ((label = get_label_by_name(parser.string)) == NULL) | |
2067 | label = new_label(label_kind_code_forward, | |
2068 | parser.string, jit_forward()); | |
2069 | ||
2070 | return (label); | |
2071 | } | |
2072 | ||
2073 | static token_t | |
2074 | regname(void) | |
2075 | { | |
2076 | jit_word_t num; | |
2077 | int check = 1, ch = getch(); | |
2078 | ||
2079 | switch (ch) { | |
2080 | case 'r': | |
2081 | parser.regtype = type_l; | |
2082 | switch (ch = getch()) { | |
2083 | case '0': parser.regval = JIT_R0; break; | |
2084 | case '1': parser.regval = JIT_R1; break; | |
2085 | case '2': parser.regval = JIT_R2; break; | |
2086 | case '(': | |
2087 | num = get_int(skip_none); | |
2088 | if (num < 0 || num >= JIT_R_NUM) goto fail; | |
2089 | parser.regval = JIT_R(num); | |
2090 | if (getch() != ')') goto fail; | |
2091 | check = 0; | |
2092 | break; | |
2093 | default: goto fail; | |
2094 | } | |
2095 | break; | |
2096 | case 'v': | |
2097 | parser.regtype = type_l; | |
2098 | switch (ch = getch()) { | |
2099 | case '0': parser.regval = JIT_V0; break; | |
2100 | case '1': parser.regval = JIT_V1; break; | |
2101 | case '2': parser.regval = JIT_V2; break; | |
2102 | default: goto fail; | |
2103 | case '(': | |
2104 | num = get_int(skip_none); | |
2105 | if (num < 0 || num >= JIT_V_NUM) goto fail; | |
2106 | parser.regval = JIT_V(num); | |
2107 | if (getch() != ')') goto fail; | |
2108 | check = 0; | |
2109 | break; | |
2110 | } | |
2111 | break; | |
2112 | case 'f': | |
2113 | parser.regtype = type_d; | |
2114 | switch (ch = getch()) { | |
2115 | case '0': parser.regval = JIT_F0; break; | |
2116 | case '1': parser.regval = JIT_F1; break; | |
2117 | case '2': parser.regval = JIT_F2; break; | |
2118 | case '3': parser.regval = JIT_F3; break; | |
2119 | case '4': parser.regval = JIT_F4; break; | |
2120 | case '5': parser.regval = JIT_F5; break; | |
2121 | case 'p': | |
2122 | parser.regtype = type_l; /* oops */ | |
2123 | parser.regval = JIT_FP; break; | |
2124 | case '(': | |
2125 | num = get_int(skip_none); | |
2126 | if (num < 0 || num >= JIT_F_NUM) goto fail; | |
2127 | parser.regval = JIT_F(num); | |
2128 | if (getch() != ')') goto fail; | |
2129 | check = 0; | |
2130 | break; | |
2131 | default: goto fail; | |
2132 | } | |
2133 | break; | |
2134 | default: | |
2135 | fail: | |
2136 | error("bad register"); | |
2137 | } | |
2138 | if (check) { | |
2139 | ch = getch(); | |
2140 | if ((ch >= 'a' && ch <= 'z') || | |
2141 | (ch >= 'A' && ch <= 'Z') || | |
2142 | (ch >= '0' && ch <= '9') || | |
2143 | ch == '_') | |
2144 | goto fail; | |
2145 | ungetch(ch); | |
2146 | } | |
2147 | ||
2148 | return (tok_register); | |
2149 | } | |
2150 | ||
2151 | static token_t | |
2152 | identifier(int ch) | |
2153 | { | |
2154 | parser.string[0] = ch; | |
2155 | for (parser.offset = 1;;) { | |
2156 | switch ((ch = getch())) { | |
2157 | case 'a' ... 'z': case 'A' ... 'Z': case '0' ... '9' : case '_': | |
2158 | if (parser.offset + 1 >= MAX_IDENTIFIER) { | |
2159 | parser.string[parser.offset] = '\0'; | |
2160 | error("bad identifier %s", parser.string); | |
2161 | } | |
2162 | parser.string[parser.offset++] = ch; | |
2163 | break; | |
2164 | default: | |
2165 | parser.string[parser.offset] = '\0'; | |
2166 | ungetch(ch); | |
2167 | return (tok_symbol); | |
2168 | } | |
2169 | } | |
2170 | } | |
2171 | ||
2172 | static void | |
2173 | get_data(type_t type) | |
2174 | { | |
2175 | int ch; | |
2176 | token_t token; | |
2177 | char *test = data; | |
2178 | ||
2179 | for (;;) { | |
2180 | switch (type) { | |
2181 | case type_c: | |
2182 | switch (token = primary(skip_ws)) { | |
2183 | case tok_char: case tok_int: | |
2184 | check_data(sizeof(signed char)); | |
2185 | *(signed char *)(data + data_offset) = parser.value.i; | |
2186 | data_offset += sizeof(char); | |
2187 | break; | |
2188 | case tok_string: | |
2189 | check_data(parser.offset); | |
2190 | memcpy(data + data_offset, parser.string, | |
2191 | parser.offset); | |
2192 | data_offset += parser.offset; | |
2193 | break; | |
2194 | case tok_newline: | |
2195 | case tok_semicollon: | |
2196 | if (test == data) error("syntax error"); | |
2197 | return; | |
2198 | default: error("bad initializer"); | |
2199 | } | |
2200 | break; | |
2201 | case type_s: | |
2202 | check_data(sizeof(signed short)); | |
2203 | *(signed short *)(data + data_offset) = get_int(skip_ws); | |
2204 | data_offset += sizeof(short); | |
2205 | break; | |
2206 | case type_i: | |
2207 | check_data(sizeof(signed int)); | |
2208 | *(signed int *)(data + data_offset) = get_int(skip_ws); | |
2209 | data_offset += sizeof(int); | |
2210 | break; | |
2211 | case type_l: | |
2212 | check_data(sizeof(jit_word_t)); | |
2213 | *(jit_word_t *)(data + data_offset) = get_int(skip_ws); | |
2214 | data_offset += sizeof(jit_word_t); | |
2215 | break; | |
2216 | case type_f: | |
2217 | check_data(sizeof(float)); | |
2218 | *(float *)(data + data_offset) = get_float(skip_ws); | |
2219 | data_offset += sizeof(float); | |
2220 | break; | |
2221 | case type_d: | |
2222 | check_data(sizeof(double)); | |
2223 | *(double *)(data + data_offset) = get_float(skip_ws); | |
2224 | data_offset += sizeof(double); | |
2225 | break; | |
2226 | case type_p: | |
2227 | /* FIXME **patch if realloc** */ | |
2228 | check_data(sizeof(void*)); | |
2229 | *(void **)(data + data_offset) = get_pointer(skip_ws); | |
2230 | data_offset += sizeof(void*); | |
2231 | break; | |
2232 | default: | |
2233 | abort(); | |
2234 | } | |
2235 | ch = skipws(); | |
2236 | if (ch == '\n' || ch == ';' || ch == EOF) | |
2237 | break; | |
2238 | ungetch(ch); | |
2239 | } | |
2240 | } | |
2241 | ||
2242 | static void | |
2243 | dot(void) | |
2244 | { | |
2245 | int ch; | |
2246 | size_t offset, length; | |
2247 | ||
2248 | switch (ch = getch_noeof()) { | |
2249 | case '$': | |
2250 | /* use .$(expression) for non side effects expression */ | |
2251 | (void)expression(); | |
2252 | return; | |
2253 | case 'a' ... 'z': case 'A' ... 'Z': case '_': | |
2254 | (void)identifier(ch); | |
2255 | break; | |
2256 | default: | |
2257 | ungetch(ch); | |
2258 | if (skipws() != '$') | |
2259 | error("expecting symbol"); | |
2260 | /* allow spaces before an expression */ | |
2261 | (void)expression(); | |
2262 | return; | |
2263 | } | |
2264 | if (parser.string[1] == '\0') { | |
2265 | switch (parser.string[0]) { | |
2266 | case 'c': get_data(type_c); break; | |
2267 | case 's': get_data(type_s); break; | |
2268 | case 'i': get_data(type_i); break; | |
2269 | case 'l': get_data(type_l); break; | |
2270 | case 'f': get_data(type_f); break; | |
2271 | case 'd': get_data(type_d); break; | |
2272 | case 'p': get_data(type_p); break; | |
2273 | default: error("bad type .%c", parser.string[0]); | |
2274 | } | |
2275 | } | |
2276 | else if (strcmp(parser.string, "data") == 0) { | |
2277 | if (parser.parsing != PARSING_NONE) | |
2278 | error(".data must be specified once and be the first section"); | |
2279 | parser.parsing = PARSING_DATA; | |
2280 | data_length = get_int(skip_ws); | |
2281 | data = (char *)xcalloc(1, data_length); | |
2282 | } | |
2283 | else if (strcmp(parser.string, "code") == 0) { | |
2284 | if (parser.parsing != PARSING_NONE && | |
2285 | parser.parsing != PARSING_DATA) | |
2286 | error(".code must be specified once only"); | |
2287 | parser.parsing = PARSING_CODE; | |
2288 | } | |
2289 | else if (strcmp(parser.string, "align") == 0) { | |
2290 | length = get_int(skip_ws); | |
2291 | if (parser.parsing != PARSING_DATA) | |
2292 | error(".align must be in .data"); | |
2293 | if (length > 1 && length <= 4096 && !(length & (length - 1))) { | |
2294 | offset = data_offset; | |
2295 | offset += length - ((offset + length) % length); | |
2296 | check_data(offset - data_offset); | |
2297 | data_offset = offset; | |
2298 | } | |
2299 | else | |
2300 | error("bad .align %ld (must be a power of 2, >= 2 && <= 4096)", | |
2301 | (jit_word_t)length); | |
2302 | } | |
2303 | else if (strcmp(parser.string, "size") == 0) { | |
2304 | length = get_int(skip_ws); | |
2305 | if (parser.parsing != PARSING_DATA) | |
2306 | error(".size must be in .data"); | |
2307 | check_data(length); | |
2308 | data_offset += length; | |
2309 | } | |
2310 | else if (strcmp(parser.string, "disasm") == 0) | |
2311 | flag_disasm = 1; | |
2312 | else | |
2313 | error("unknown command .%s", parser.string); | |
2314 | } | |
2315 | ||
2316 | static token_t | |
2317 | number(int ch) | |
2318 | { | |
2319 | char buffer[1024], *endptr; | |
2320 | int integer = 1, offset = 0, neg = 0, e = 0, d = 0, base = 10; | |
2321 | ||
2322 | for (;; ch = getch()) { | |
2323 | switch (ch) { | |
2324 | case '-': | |
2325 | if (offset == 0) { | |
2326 | neg = 1; | |
2327 | continue; | |
2328 | } | |
2329 | if (offset && buffer[offset - 1] != 'e') { | |
2330 | ungetch(ch); | |
2331 | goto done; | |
2332 | } | |
2333 | break; | |
2334 | case '+': | |
2335 | if (offset == 0) | |
2336 | continue; | |
2337 | if (offset && buffer[offset - 1] != 'e') { | |
2338 | ungetch(ch); | |
2339 | goto done; | |
2340 | } | |
2341 | break; | |
2342 | case '.': | |
2343 | if (d) | |
2344 | goto fail; | |
2345 | d = 1; | |
2346 | base = 10; | |
2347 | integer = 0; | |
2348 | break; | |
2349 | case '0': | |
2350 | if (offset == 0 && base == 10) { | |
2351 | base = 8; | |
2352 | continue; | |
2353 | } | |
2354 | break; | |
2355 | case 'b': | |
2356 | if (offset == 0 && base == 8) { | |
2357 | base = 2; | |
2358 | continue; | |
2359 | } | |
2360 | if (base != 16) | |
2361 | goto fail; | |
2362 | break; | |
2363 | case '1': | |
2364 | break; | |
2365 | case '2' ... '7': | |
2366 | if (base < 8) | |
2367 | goto fail; | |
2368 | break; | |
2369 | case '8': case '9': | |
2370 | if (base < 10) | |
2371 | goto fail; | |
2372 | break; | |
2373 | case 'x': | |
2374 | if (offset == 0 && base == 8) { | |
2375 | base = 16; | |
2376 | continue; | |
2377 | } | |
2378 | goto fail; | |
2379 | case 'a': case 'c': case 'd': case 'f': | |
2380 | if (base < 16) | |
2381 | goto fail; | |
2382 | break; | |
2383 | case 'e': | |
2384 | if (e) | |
2385 | goto fail; | |
2386 | if (base != 16) { | |
2387 | e = 1; | |
2388 | base = 10; | |
2389 | integer = 0; | |
2390 | } | |
2391 | break; | |
2392 | case '_': case 'g' ... 'w': case 'y': case 'z': case 'A' ... 'Z': | |
2393 | fail: | |
2394 | buffer[offset++] = '\0'; | |
2395 | error("bad constant %s", buffer); | |
2396 | default: | |
2397 | ungetch(ch); | |
2398 | goto done; | |
2399 | } | |
2400 | if (offset + 1 >= (int)sizeof(buffer)) | |
2401 | goto fail; | |
2402 | buffer[offset++] = ch; | |
2403 | } | |
2404 | done: | |
2405 | /* check for literal 0 */ | |
2406 | if (offset == 0 && base == 8) buffer[offset++] = '0'; | |
2407 | buffer[offset] = '\0'; | |
2408 | if (integer) { | |
2409 | #if _WIN32 | |
2410 | # define STRTOUL strtoull | |
2411 | #else | |
2412 | # define STRTOUL strtoul | |
2413 | #endif | |
2414 | parser.value.ui = STRTOUL(buffer, &endptr, base); | |
2415 | parser.type = type_l; | |
2416 | if (neg) | |
2417 | parser.value.i = -parser.value.i; | |
2418 | } | |
2419 | else { | |
2420 | parser.type = type_d; | |
2421 | parser.value.d = strtod(buffer, &endptr); | |
2422 | if (neg) | |
2423 | parser.value.d = -parser.value.d; | |
2424 | } | |
2425 | if (*endptr) | |
2426 | goto fail; | |
2427 | ||
2428 | return (integer ? tok_int : tok_float); | |
2429 | } | |
2430 | ||
2431 | static int | |
2432 | escape(int ch) | |
2433 | { | |
2434 | switch (ch) { | |
2435 | case 'a': ch = '\a'; break; | |
2436 | case 'b': ch = '\b'; break; | |
2437 | case 'f': ch = '\f'; break; | |
2438 | case 'n': ch = '\n'; break; | |
2439 | case 'r': ch = '\r'; break; | |
2440 | case 't': ch = '\t'; break; | |
2441 | case 'v': ch = '\v'; break; | |
2442 | default: break; | |
2443 | } | |
2444 | ||
2445 | return (ch); | |
2446 | } | |
2447 | ||
2448 | static token_t | |
2449 | string(void) | |
2450 | { | |
2451 | int ch, esc = 0; | |
2452 | ||
2453 | for (parser.offset = 0;;) { | |
2454 | switch (ch = getch_noeof()) { | |
2455 | case '\\': | |
2456 | if (esc) goto append; | |
2457 | esc = 1; | |
2458 | break; | |
2459 | case '"': | |
2460 | if (!esc) { | |
2461 | parser.string[parser.offset++] = '\0'; | |
2462 | parser.value.p = parser.string; | |
2463 | parser.type = type_p; | |
2464 | return (tok_string); | |
2465 | } | |
2466 | /* FALLTHROUGH */ | |
2467 | default: | |
2468 | append: | |
2469 | if (esc) { | |
2470 | ch = escape(ch); | |
2471 | esc = 0; | |
2472 | } | |
2473 | if (parser.offset + 1 >= parser.length) { | |
2474 | parser.length += 4096; | |
2475 | parser.string = (char *)xrealloc(parser.string, | |
2476 | parser.length); | |
2477 | } | |
2478 | parser.string[parser.offset++] = ch; | |
2479 | break; | |
2480 | } | |
2481 | } | |
2482 | } | |
2483 | ||
2484 | static token_t | |
2485 | character(void) | |
2486 | { | |
2487 | int ch, esc = 0; | |
2488 | ||
2489 | if ((ch = getch_noeof()) == '\\') { | |
2490 | esc = 1; | |
2491 | ch = getch(); | |
2492 | } | |
2493 | if (getch_noeof() != '\'') | |
2494 | error("bad single byte char"); | |
2495 | if (esc) | |
2496 | ch = escape(ch); | |
2497 | parser.type = type_l; | |
2498 | parser.value.i = ch & 0xff; | |
2499 | ||
2500 | return (tok_char); | |
2501 | } | |
2502 | ||
2503 | static token_t | |
2504 | dynamic(void) | |
2505 | { | |
2506 | label_t *label; | |
2507 | void *value; | |
2508 | char *string; | |
2509 | (void)identifier('@'); | |
2510 | if ((label = get_label_by_name(parser.string)) == NULL) { | |
2511 | #if __CYGWIN__ ||_WIN32 | |
2512 | /* FIXME kludge to pass varargs test case, otherwise, | |
2513 | * will not print/scan float values */ | |
2514 | if (strcmp(parser.string + 1, "sprintf") == 0) | |
2515 | value = sprintf; | |
2516 | else if (strcmp(parser.string + 1, "sscanf") == 0) | |
2517 | value = sscanf; | |
2518 | else | |
2519 | #endif | |
2520 | { | |
2521 | value = dlsym(DL_HANDLE, parser.string + 1); | |
2522 | if ((string = dlerror())) | |
2523 | error("%s", string); | |
2524 | } | |
2525 | label = new_label(label_kind_dynamic, parser.string, value); | |
2526 | } | |
2527 | parser.type = type_p; | |
2528 | parser.value.p = label->value; | |
2529 | ||
2530 | return (tok_pointer); | |
2531 | } | |
2532 | ||
2533 | static void | |
2534 | expression_prim(void) | |
2535 | { | |
2536 | int ch; | |
2537 | token_t token; | |
2538 | label_t *label; | |
2539 | symbol_t *symbol; | |
2540 | ||
2541 | if (parser.putback) { | |
2542 | parser.expr = parser.putback; | |
2543 | parser.putback = (expr_t)0; | |
2544 | return; | |
2545 | } | |
2546 | switch (ch = skipws()) { | |
2547 | case '!': | |
2548 | if ((ch = getch_noeof()) == '=') parser.expr = expr_ne; | |
2549 | else { | |
2550 | ungetch(ch); parser.expr = expr_not; | |
2551 | } | |
2552 | break; | |
2553 | case '~': parser.expr = expr_com; | |
2554 | break; | |
2555 | case '*': | |
2556 | if ((ch = getch_noeof()) == '=') parser.expr = expr_mulset; | |
2557 | else { | |
2558 | ungetch(ch); parser.expr = expr_mul; | |
2559 | } | |
2560 | break; | |
2561 | case '/': | |
2562 | if ((ch = getch_noeof()) == '=') parser.expr = expr_divset; | |
2563 | else { | |
2564 | ungetch(ch); parser.expr = expr_div; | |
2565 | } | |
2566 | break; | |
2567 | case '%': | |
2568 | if ((ch = getch_noeof()) == '=') parser.expr = expr_remset; | |
2569 | else { | |
2570 | ungetch(ch); parser.expr = expr_rem; | |
2571 | } | |
2572 | break; | |
2573 | case '+': | |
2574 | switch (ch = getch_noeof()) { | |
2575 | case '+': parser.expr = expr_inc; | |
2576 | break; | |
2577 | case '=': parser.expr = expr_addset; | |
2578 | break; | |
2579 | default: ungetch(ch); parser.expr = expr_add; | |
2580 | break; | |
2581 | } | |
2582 | break; | |
2583 | case '-': | |
2584 | switch (ch = getch_noeof()) { | |
2585 | case '-': parser.expr = expr_dec; | |
2586 | break; | |
2587 | case '=': parser.expr = expr_subset; | |
2588 | break; | |
2589 | default: ungetch(ch); parser.expr = expr_sub; | |
2590 | break; | |
2591 | } | |
2592 | break; | |
2593 | case '<': | |
2594 | switch (ch = getch_noeof()) { | |
2595 | case '=': parser.expr = expr_le; | |
2596 | break; | |
2597 | case '<': ch = getch_noeof(); | |
2598 | if (ch == '=') parser.expr = expr_lshset; | |
2599 | else { | |
2600 | ungetch(ch); parser.expr = expr_lsh; | |
2601 | } | |
2602 | break; | |
2603 | default: ungetch(ch); parser.expr = expr_lt; | |
2604 | break; | |
2605 | } | |
2606 | break; | |
2607 | case '>': | |
2608 | switch (ch = getch_noeof()) { | |
2609 | case '=': parser.expr = expr_ge; | |
2610 | break; | |
2611 | case '>': ch = getch_noeof(); | |
2612 | if (ch == '=') parser.expr = expr_rshset; | |
2613 | else { | |
2614 | ungetch(ch); parser.expr = expr_rsh; | |
2615 | } | |
2616 | break; | |
2617 | default: ungetch(ch); parser.expr = expr_gt; | |
2618 | break; | |
2619 | } | |
2620 | break; | |
2621 | case '&': | |
2622 | switch (ch = getch_noeof()) { | |
2623 | case '=': parser.expr = expr_andset; | |
2624 | break; | |
2625 | case '&': parser.expr = expr_andand; | |
2626 | break; | |
2627 | default: ungetch(ch); parser.expr = expr_and; | |
2628 | break; | |
2629 | } | |
2630 | break; | |
2631 | case '|': | |
2632 | switch (ch = getch_noeof()) { | |
2633 | case '=': parser.expr = expr_orset; | |
2634 | break; | |
2635 | case '|': parser.expr = expr_oror; | |
2636 | break; | |
2637 | default: ungetch(ch); parser.expr = expr_or; | |
2638 | break; | |
2639 | } | |
2640 | break; | |
2641 | case '^': | |
2642 | if ((ch = getch_noeof()) == '=') parser.expr = expr_xorset; | |
2643 | else { | |
2644 | ungetch(ch); parser.expr = expr_xor; | |
2645 | } | |
2646 | break; | |
2647 | case '=': | |
2648 | if ((ch = getch_noeof()) == '=') parser.expr = expr_eq; | |
2649 | else { | |
2650 | ungetch(ch); parser.expr = expr_set; | |
2651 | } | |
2652 | break; | |
2653 | case '(': parser.expr = expr_lparen; | |
2654 | break; | |
2655 | case ')': parser.expr = expr_rparen; | |
2656 | break; | |
2657 | case '0' ... '9': | |
2658 | token = number(ch); | |
2659 | parser.expr = token == tok_int ? expr_int : expr_float; | |
2660 | break; | |
2661 | case '@': | |
2662 | (void)dynamic(); | |
2663 | parser.expr = expr_pointer; | |
2664 | break; | |
2665 | case '$': | |
2666 | identifier('$'); | |
2667 | /* no support for nested expressions */ | |
2668 | if (parser.string[0] == '\0') | |
2669 | error("syntax error"); | |
2670 | parser.expr = expr_symbol; | |
2671 | if ((symbol = get_symbol_by_name(parser.string)) != NULL) { | |
2672 | parser.type = symbol->type; | |
2673 | parser.value = symbol->value; | |
2674 | } | |
2675 | else | |
2676 | /* only create symbol on assignment */ | |
2677 | parser.type = type_none; | |
2678 | break; | |
2679 | case 'a' ... 'z': case 'A' ... 'Z': case '_': | |
2680 | identifier(ch); | |
2681 | if ((label = get_label_by_name(parser.string))) { | |
2682 | if (label->kind == label_kind_code_forward) | |
2683 | error("forward value for %s not supported", | |
2684 | parser.string); | |
2685 | parser.expr = expr_pointer; | |
2686 | parser.type = type_p; | |
2687 | parser.value.p = label->value; | |
2688 | } | |
2689 | else | |
2690 | error("invalid identifier %s", parser.string); | |
2691 | break; | |
2692 | case '\'': | |
2693 | character(); | |
2694 | parser.expr = expr_int; | |
2695 | break; | |
2696 | case '"': | |
2697 | /* not smart enough to put it in data and/or relocate it, etc */ | |
2698 | error("must declare strings as data"); | |
2699 | default: | |
2700 | error("syntax error"); | |
2701 | } | |
2702 | } | |
2703 | ||
2704 | static void | |
2705 | expression_inc(int pre) | |
2706 | { | |
2707 | symbol_t *symbol; | |
2708 | ||
2709 | if (pre) { | |
2710 | expression_prim(); | |
2711 | if (parser.expr != expr_symbol) | |
2712 | error("syntax error"); | |
2713 | } | |
2714 | if ((symbol = get_symbol_by_name(parser.string)) == NULL) { | |
2715 | if (!parser.short_circuit) | |
2716 | error("undefined symbol %s", symbol->name); | |
2717 | } | |
2718 | if (!parser.short_circuit) { | |
2719 | parser.type = symbol->type; | |
2720 | if (!pre) | |
2721 | parser.value = symbol->value; | |
2722 | switch (symbol->type) { | |
2723 | case type_l: | |
2724 | ++symbol->value.i; | |
2725 | break; | |
2726 | case type_d: | |
2727 | /* should really be an error */ | |
2728 | symbol->value.d += 1.0; | |
2729 | break; | |
2730 | default: | |
2731 | ++parser.value.cp; | |
2732 | break; | |
2733 | } | |
2734 | if (pre) | |
2735 | parser.value = symbol->value; | |
2736 | } | |
2737 | expression_prim(); | |
2738 | } | |
2739 | ||
2740 | static void | |
2741 | expression_dec(int pre) | |
2742 | { | |
2743 | symbol_t *symbol; | |
2744 | ||
2745 | if (pre) { | |
2746 | expression_prim(); | |
2747 | if (parser.expr != expr_symbol) | |
2748 | error("syntax error"); | |
2749 | } | |
2750 | if ((symbol = get_symbol_by_name(parser.string)) == NULL) { | |
2751 | if (!parser.short_circuit) | |
2752 | error("undefined symbol %s", symbol->name); | |
2753 | } | |
2754 | if (!parser.short_circuit) { | |
2755 | parser.type = symbol->type; | |
2756 | if (!pre) | |
2757 | parser.value = symbol->value; | |
2758 | switch (symbol->type) { | |
2759 | case type_l: | |
2760 | --symbol->value.i; | |
2761 | break; | |
2762 | case type_d: | |
2763 | /* should really be an error */ | |
2764 | symbol->value.d -= 1.0; | |
2765 | break; | |
2766 | default: | |
2767 | --parser.value.cp; | |
2768 | break; | |
2769 | } | |
2770 | if (pre) | |
2771 | parser.value = symbol->value; | |
2772 | } | |
2773 | expression_prim(); | |
2774 | } | |
2775 | ||
2776 | static void | |
2777 | expression_unary(void) | |
2778 | { | |
2779 | symbol_t *symbol; | |
2780 | char buffer[256]; | |
2781 | ||
2782 | expression_prim(); | |
2783 | switch (parser.expr) { | |
2784 | case expr_add: | |
2785 | expression_unary(); | |
2786 | switch (parser.type) { | |
2787 | case type_l: | |
2788 | case type_d: | |
2789 | break; | |
2790 | default: | |
2791 | error("syntax error"); | |
2792 | } | |
2793 | break; | |
2794 | case expr_sub: | |
2795 | expression_unary(); | |
2796 | switch (parser.type) { | |
2797 | case type_l: | |
2798 | parser.value.i = -parser.value.i; | |
2799 | break; | |
2800 | case type_d: | |
2801 | parser.value.d = -parser.value.d; | |
2802 | break; | |
2803 | default: | |
2804 | error("syntax error"); | |
2805 | } | |
2806 | break; | |
2807 | case expr_inc: | |
2808 | expression_inc(1); | |
2809 | break; | |
2810 | case expr_dec: | |
2811 | expression_dec(1); | |
2812 | break; | |
2813 | case expr_not: | |
2814 | expression_unary(); | |
2815 | switch (parser.type) { | |
2816 | case type_l: | |
2817 | parser.value.i = !parser.value.i; | |
2818 | break; | |
2819 | case type_d: | |
2820 | parser.value.i = parser.value.d != 0; | |
2821 | break; | |
2822 | case type_p: | |
2823 | parser.value.i = parser.value.p != NULL; | |
2824 | break; | |
2825 | default: | |
2826 | error("syntax error"); | |
2827 | } | |
2828 | parser.type = type_l; | |
2829 | break; | |
2830 | case expr_com: | |
2831 | expression_unary(); | |
2832 | if (parser.type != type_l) | |
2833 | error("syntax error"); | |
2834 | parser.value.i = ~parser.value.i; | |
2835 | break; | |
2836 | case expr_lparen: | |
2837 | expression_cond(); | |
2838 | if (parser.expr != expr_rparen) | |
2839 | error("syntax error"); | |
2840 | expression_prim(); | |
2841 | break; | |
2842 | case expr_symbol: | |
2843 | strcpy(buffer, parser.string); | |
2844 | expression_prim(); | |
2845 | switch (parser.expr) { | |
2846 | case expr_set: | |
2847 | if ((symbol = get_symbol_by_name(buffer)) == NULL) { | |
2848 | if (!parser.short_circuit) | |
2849 | symbol = new_symbol(buffer); | |
2850 | } | |
2851 | expression_cond(); | |
2852 | set: | |
2853 | if (!parser.short_circuit) { | |
2854 | if (symbol == NULL) | |
2855 | error("syntax error"); | |
2856 | symbol->type = parser.type; | |
2857 | symbol->value = parser.value; | |
2858 | } | |
2859 | break; | |
2860 | case expr_mulset: parser.putback = expr_mul; | |
2861 | goto check; | |
2862 | case expr_divset: parser.putback = expr_div; | |
2863 | goto check; | |
2864 | case expr_remset: parser.putback = expr_rem; | |
2865 | goto check; | |
2866 | case expr_addset: parser.putback = expr_add; | |
2867 | goto check; | |
2868 | case expr_subset: parser.putback = expr_sub; | |
2869 | goto check; | |
2870 | case expr_lshset: parser.putback = expr_lsh; | |
2871 | goto check; | |
2872 | case expr_rshset: parser.putback = expr_rsh; | |
2873 | goto check; | |
2874 | case expr_andset: parser.putback = expr_and; | |
2875 | goto check; | |
2876 | case expr_orset: parser.putback = expr_or; | |
2877 | goto check; | |
2878 | case expr_xorset: parser.putback = expr_xor; | |
2879 | check: | |
2880 | if ((symbol = get_symbol_by_name(buffer)) == NULL) { | |
2881 | if (!parser.short_circuit) | |
2882 | error("undefined symbol %s", buffer); | |
2883 | parser.type = type_l; | |
2884 | parser.value.i = 1; | |
2885 | } | |
2886 | switch (parser.putback) { | |
2887 | case expr_mul: case expr_div: case expr_rem: | |
2888 | expression_mul(); | |
2889 | break; | |
2890 | case expr_add: case expr_sub: | |
2891 | expression_add(); | |
2892 | break; | |
2893 | case expr_lsh: case expr_rsh: | |
2894 | expression_shift(); | |
2895 | break; | |
2896 | case expr_and: case expr_or: case expr_xor: | |
2897 | expression_bit(); | |
2898 | break; | |
2899 | default: | |
2900 | abort(); | |
2901 | } | |
2902 | goto set; | |
2903 | case expr_inc: | |
2904 | expression_inc(0); | |
2905 | break; | |
2906 | case expr_dec: | |
2907 | expression_dec(0); | |
2908 | break; | |
2909 | default: | |
2910 | break; | |
2911 | } | |
2912 | break; | |
2913 | case expr_int: | |
2914 | case expr_float: | |
2915 | case expr_pointer: | |
2916 | /* make next token available */ | |
2917 | expression_prim(); | |
2918 | default: | |
2919 | break; | |
2920 | } | |
2921 | } | |
2922 | ||
2923 | static void | |
2924 | expression_mul(void) | |
2925 | { | |
2926 | type_t type; | |
2927 | value_t value; | |
2928 | ||
2929 | expression_unary(); | |
2930 | switch (parser.type) { | |
2931 | case type_l: case type_d: case type_p: break; | |
2932 | default: return; | |
2933 | } | |
2934 | for (;;) { | |
2935 | switch (parser.expr) { | |
2936 | case expr_mul: | |
2937 | type = parser.type, value = parser.value; | |
2938 | expression_unary(); | |
2939 | switch (parser.type) { | |
2940 | case type_l: | |
2941 | if (type == type_l) | |
2942 | value.i *= parser.value.i; | |
2943 | else | |
2944 | value.d *= parser.value.i; | |
2945 | break; | |
2946 | case type_d: | |
2947 | if (type == type_l) { | |
2948 | type = type_d; | |
2949 | value.d = value.i; | |
2950 | } | |
2951 | value.d *= parser.value.d; | |
2952 | break; | |
2953 | default: | |
2954 | error("invalid operand"); | |
2955 | } | |
2956 | parser.type = type, parser.value = value; | |
2957 | break; | |
2958 | case expr_div: | |
2959 | type = parser.type, value = parser.value; | |
2960 | expression_unary(); | |
2961 | switch (parser.type) { | |
2962 | case type_l: | |
2963 | if (type == type_l) { | |
2964 | if (parser.value.i == 0) | |
2965 | error("divide by zero"); | |
2966 | value.i /= parser.value.i; | |
2967 | } | |
2968 | else | |
2969 | value.d /= parser.value.i; | |
2970 | break; | |
2971 | case type_d: | |
2972 | if (type == type_l) { | |
2973 | type = type_d; | |
2974 | value.d = value.i; | |
2975 | } | |
2976 | value.d /= parser.value.d; | |
2977 | break; | |
2978 | default: | |
2979 | error("invalid operand"); | |
2980 | } | |
2981 | parser.type = type, parser.value = value; | |
2982 | break; | |
2983 | case expr_rem: | |
2984 | type = parser.type, value = parser.value; | |
2985 | expression_unary(); | |
2986 | switch (parser.type) { | |
2987 | case type_l: | |
2988 | if (type == type_l) { | |
2989 | if (parser.value.i == 0) | |
2990 | error("divide by zero"); | |
2991 | value.i %= parser.value.i; | |
2992 | } | |
2993 | else | |
2994 | error("invalid operand"); | |
2995 | break; | |
2996 | default: | |
2997 | error("invalid operand"); | |
2998 | } | |
2999 | parser.type = type, parser.value = value; | |
3000 | break; | |
3001 | default: | |
3002 | return; | |
3003 | } | |
3004 | } | |
3005 | } | |
3006 | ||
3007 | static void | |
3008 | expression_add(void) | |
3009 | { | |
3010 | type_t type; | |
3011 | value_t value; | |
3012 | ||
3013 | expression_mul(); | |
3014 | switch (parser.type) { | |
3015 | case type_l: case type_d: case type_p: break; | |
3016 | default: return; | |
3017 | } | |
3018 | for (;;) { | |
3019 | switch (parser.expr) { | |
3020 | case expr_add: | |
3021 | type = parser.type, value = parser.value; | |
3022 | expression_mul(); | |
3023 | switch (parser.type) { | |
3024 | case type_l: | |
3025 | switch (type) { | |
3026 | case type_l: | |
3027 | value.i += parser.value.i; | |
3028 | break; | |
3029 | case type_d: | |
3030 | value.d += parser.value.i; | |
3031 | break; | |
3032 | default: | |
3033 | value.cp += parser.value.i; | |
3034 | break; | |
3035 | } | |
3036 | break; | |
3037 | case type_d: | |
3038 | switch (type) { | |
3039 | case type_l: | |
3040 | type = type_d; | |
3041 | value.d = value.i; | |
3042 | break; | |
3043 | case type_d: | |
3044 | break; | |
3045 | default: | |
3046 | error("invalid operand"); | |
3047 | } | |
3048 | value.d += parser.value.d; | |
3049 | break; | |
3050 | case type_p: | |
3051 | switch (type) { | |
3052 | case type_l: | |
3053 | type = type_p; | |
3054 | value.cp = value.i + parser.value.cp; | |
3055 | break; | |
3056 | default: | |
3057 | error("invalid operand"); | |
3058 | } | |
3059 | break; | |
3060 | default: | |
3061 | error("invalid operand"); | |
3062 | } | |
3063 | parser.type = type, parser.value = value; | |
3064 | break; | |
3065 | case expr_sub: | |
3066 | type = parser.type, value = parser.value; | |
3067 | expression_mul(); | |
3068 | switch (parser.type) { | |
3069 | case type_l: | |
3070 | switch (type) { | |
3071 | case type_l: | |
3072 | value.i -= parser.value.i; | |
3073 | break; | |
3074 | case type_d: | |
3075 | value.d -= parser.value.i; | |
3076 | break; | |
3077 | default: | |
3078 | value.cp -= parser.value.i; | |
3079 | break; | |
3080 | } | |
3081 | break; | |
3082 | case type_d: | |
3083 | switch (type) { | |
3084 | case type_l: | |
3085 | type = type_d; | |
3086 | value.d = value.i; | |
3087 | break; | |
3088 | case type_d: | |
3089 | break; | |
3090 | default: | |
3091 | error("invalid operand"); | |
3092 | } | |
3093 | value.d -= parser.value.d; | |
3094 | break; | |
3095 | case type_p: | |
3096 | switch (type) { | |
3097 | case type_p: | |
3098 | type = type_l; | |
3099 | value.i = value.cp - parser.value.cp; | |
3100 | break; | |
3101 | default: | |
3102 | error("invalid operand"); | |
3103 | } | |
3104 | break; | |
3105 | default: | |
3106 | error("invalid operand"); | |
3107 | } | |
3108 | parser.type = type, parser.value = value; | |
3109 | break; | |
3110 | default: | |
3111 | return; | |
3112 | } | |
3113 | } | |
3114 | } | |
3115 | ||
3116 | static void | |
3117 | expression_shift(void) | |
3118 | { | |
3119 | jit_word_t value; | |
3120 | expression_add(); | |
3121 | ||
3122 | switch (parser.type) { | |
3123 | case type_l: case type_d: case type_p: break; | |
3124 | default: return; | |
3125 | } | |
3126 | for (;;) { | |
3127 | switch (parser.expr) { | |
3128 | case expr_lsh: | |
3129 | value = parser.value.i; | |
3130 | if (parser.type != type_l) | |
3131 | error("invalid operand"); | |
3132 | expression_add(); | |
3133 | if (parser.type != type_l) | |
3134 | error("invalid operand"); | |
3135 | value <<= parser.value.i; | |
3136 | parser.value.i = value; | |
3137 | break; | |
3138 | case expr_rsh: | |
3139 | value = parser.value.i; | |
3140 | if (parser.type != type_l) | |
3141 | error("invalid operand"); | |
3142 | expression_add(); | |
3143 | if (parser.type != type_l) | |
3144 | error("invalid operand"); | |
3145 | value >>= parser.value.i; | |
3146 | parser.value.i = value; | |
3147 | break; | |
3148 | default: | |
3149 | return; | |
3150 | } | |
3151 | } | |
3152 | } | |
3153 | ||
3154 | static void | |
3155 | expression_bit(void) | |
3156 | { | |
3157 | jit_word_t i; | |
3158 | ||
3159 | expression_shift(); | |
3160 | switch (parser.type) { | |
3161 | case type_l: case type_d: case type_p: break; | |
3162 | default: return; | |
3163 | } | |
3164 | for (;;) { | |
3165 | switch (parser.expr) { | |
3166 | case expr_and: | |
3167 | if (parser.type != type_l) | |
3168 | error("invalid operand"); | |
3169 | i = parser.value.i; | |
3170 | expression_shift(); | |
3171 | if (parser.type != type_l) | |
3172 | error("invalid operand"); | |
3173 | i &= parser.value.i; | |
3174 | parser.value.i = i; | |
3175 | break; | |
3176 | case expr_or: | |
3177 | if (parser.type != type_l) | |
3178 | error("invalid operand"); | |
3179 | i = parser.value.i; | |
3180 | expression_shift(); | |
3181 | if (parser.type != type_l) | |
3182 | error("invalid operand"); | |
3183 | i |= parser.value.i; | |
3184 | parser.value.i = i; | |
3185 | break; | |
3186 | case expr_xor: | |
3187 | if (parser.type != type_l) | |
3188 | error("invalid operand"); | |
3189 | i = parser.value.i; | |
3190 | expression_shift(); | |
3191 | if (parser.type != type_l) | |
3192 | error("invalid operand"); | |
3193 | i ^= parser.value.i; | |
3194 | parser.value.i = i; | |
3195 | break; | |
3196 | default: | |
3197 | return; | |
3198 | } | |
3199 | } | |
3200 | } | |
3201 | ||
3202 | static void | |
3203 | expression_rel(void) | |
3204 | { | |
3205 | type_t type; | |
3206 | value_t value; | |
3207 | ||
3208 | expression_bit(); | |
3209 | switch (parser.type) { | |
3210 | case type_l: case type_d: case type_p: break; | |
3211 | default: return; | |
3212 | } | |
3213 | for (;;) { | |
3214 | switch (parser.expr) { | |
3215 | case expr_lt: | |
3216 | type = parser.type, value = parser.value; | |
3217 | expression_bit(); | |
3218 | switch (parser.type) { | |
3219 | case type_l: | |
3220 | switch (type) { | |
3221 | case type_l: | |
3222 | value.i = value.i < parser.value.i; | |
3223 | break; | |
3224 | case type_d: | |
3225 | value.i = value.d < parser.value.i; | |
3226 | break; | |
3227 | default: | |
3228 | value.i = (jit_word_t)value.p < parser.value.i; | |
3229 | break; | |
3230 | } | |
3231 | break; | |
3232 | case type_d: | |
3233 | switch (type) { | |
3234 | case type_l: | |
3235 | value.i = value.i < parser.value.d; | |
3236 | break; | |
3237 | case type_d: | |
3238 | value.i = value.d < parser.value.d; | |
3239 | break; | |
3240 | default: | |
3241 | error("invalid operand"); | |
3242 | } | |
3243 | break; | |
3244 | case type_p: | |
3245 | switch (type) { | |
3246 | case type_l: | |
3247 | value.i = value.i < (jit_word_t)parser.value.p; | |
3248 | break; | |
3249 | case type_d: | |
3250 | error("invalid operand"); | |
3251 | default: | |
3252 | value.i = (jit_word_t)value.p < (jit_word_t)parser.value.p; | |
3253 | break; | |
3254 | } | |
3255 | break; | |
3256 | default: | |
3257 | error("invalid operand"); | |
3258 | } | |
3259 | parser.type = type_l, parser.value = value; | |
3260 | break; | |
3261 | case expr_le: | |
3262 | type = parser.type, value = parser.value; | |
3263 | expression_bit(); | |
3264 | switch (parser.type) { | |
3265 | case type_l: | |
3266 | switch (type) { | |
3267 | case type_l: | |
3268 | value.i = value.i <= parser.value.i; | |
3269 | break; | |
3270 | case type_d: | |
3271 | value.i = value.d <= parser.value.i; | |
3272 | break; | |
3273 | default: | |
3274 | value.i = (jit_word_t)value.p <= parser.value.i; | |
3275 | break; | |
3276 | } | |
3277 | break; | |
3278 | case type_d: | |
3279 | switch (type) { | |
3280 | case type_l: | |
3281 | value.i = value.i <= parser.value.d; | |
3282 | break; | |
3283 | case type_d: | |
3284 | value.i = value.d <= parser.value.d; | |
3285 | break; | |
3286 | default: | |
3287 | value.i = (jit_word_t)value.p <= parser.value.d; | |
3288 | break; | |
3289 | } | |
3290 | break; | |
3291 | case type_p: | |
3292 | switch (type) { | |
3293 | case type_l: | |
3294 | value.i = value.i <= (jit_word_t)parser.value.p; | |
3295 | break; | |
3296 | case type_d: | |
3297 | error("invalid operand"); | |
3298 | default: | |
3299 | value.i = (jit_word_t)value.p <= (jit_word_t)parser.value.p; | |
3300 | break; | |
3301 | } | |
3302 | break; | |
3303 | default: | |
3304 | error("invalid operand"); | |
3305 | } | |
3306 | parser.type = type_l, parser.value = value; | |
3307 | break; | |
3308 | case expr_eq: | |
3309 | type = parser.type, value = parser.value; | |
3310 | expression_bit(); | |
3311 | switch (parser.type) { | |
3312 | case type_l: | |
3313 | switch (type) { | |
3314 | case type_l: | |
3315 | value.i = value.i == parser.value.i; | |
3316 | break; | |
3317 | case type_d: | |
3318 | value.i = value.d == parser.value.i; | |
3319 | break; | |
3320 | default: | |
3321 | value.i = (jit_word_t)value.p == parser.value.i; | |
3322 | break; | |
3323 | } | |
3324 | break; | |
3325 | case type_d: | |
3326 | switch (type) { | |
3327 | case type_l: | |
3328 | value.i = value.i == parser.value.d; | |
3329 | break; | |
3330 | case type_d: | |
3331 | value.i = value.d == parser.value.d; | |
3332 | break; | |
3333 | default: | |
3334 | error("invalid operand"); | |
3335 | } | |
3336 | break; | |
3337 | case type_p: | |
3338 | switch (type) { | |
3339 | case type_l: | |
3340 | value.i = value.i == (jit_word_t)parser.value.p; | |
3341 | break; | |
3342 | case type_d: | |
3343 | error("invalid operand"); | |
3344 | default: | |
3345 | value.i = value.p == parser.value.p; | |
3346 | break; | |
3347 | } | |
3348 | break; | |
3349 | default: | |
3350 | error("invalid operand"); | |
3351 | } | |
3352 | parser.type = type_l, parser.value = value; | |
3353 | break; | |
3354 | case expr_ge: | |
3355 | type = parser.type, value = parser.value; | |
3356 | expression_bit(); | |
3357 | switch (parser.type) { | |
3358 | case type_l: | |
3359 | switch (type) { | |
3360 | case type_l: | |
3361 | value.i = value.i >= parser.value.i; | |
3362 | break; | |
3363 | case type_d: | |
3364 | value.i = value.d >= parser.value.i; | |
3365 | break; | |
3366 | default: | |
3367 | value.i = (jit_word_t)value.p >= parser.value.i; | |
3368 | break; | |
3369 | } | |
3370 | break; | |
3371 | case type_d: | |
3372 | switch (type) { | |
3373 | case type_l: | |
3374 | value.i = value.i >= parser.value.d; | |
3375 | break; | |
3376 | case type_d: | |
3377 | value.i = value.d >= parser.value.d; | |
3378 | break; | |
3379 | default: | |
3380 | error("invalid operand"); | |
3381 | } | |
3382 | break; | |
3383 | case type_p: | |
3384 | switch (type) { | |
3385 | case type_l: | |
3386 | value.i = value.i >= (jit_word_t)parser.value.p; | |
3387 | break; | |
3388 | case type_d: | |
3389 | error("invalid operand"); | |
3390 | default: | |
3391 | value.i = (jit_word_t)value.p >= (jit_word_t)parser.value.p; | |
3392 | break; | |
3393 | } | |
3394 | break; | |
3395 | default: | |
3396 | error("invalid operand"); | |
3397 | } | |
3398 | parser.type = type_l, parser.value = value; | |
3399 | break; | |
3400 | case expr_gt: | |
3401 | type = parser.type, value = parser.value; | |
3402 | expression_bit(); | |
3403 | switch (parser.type) { | |
3404 | case type_l: | |
3405 | switch (type) { | |
3406 | case type_l: | |
3407 | value.i = value.i > parser.value.i; | |
3408 | break; | |
3409 | case type_d: | |
3410 | value.i = value.d > parser.value.i; | |
3411 | break; | |
3412 | default: | |
3413 | value.i = (jit_word_t)value.p > parser.value.i; | |
3414 | break; | |
3415 | } | |
3416 | break; | |
3417 | case type_d: | |
3418 | switch (type) { | |
3419 | case type_l: | |
3420 | value.i = value.i > parser.value.d; | |
3421 | break; | |
3422 | case type_d: | |
3423 | value.i = value.d > parser.value.d; | |
3424 | break; | |
3425 | default: | |
3426 | error("invalid operand"); | |
3427 | } | |
3428 | break; | |
3429 | case type_p: | |
3430 | switch (type) { | |
3431 | case type_l: | |
3432 | value.i = value.i > (jit_word_t)parser.value.p; | |
3433 | break; | |
3434 | case type_d: | |
3435 | error("invalid operand"); | |
3436 | default: | |
3437 | value.i = (jit_word_t)value.p > (jit_word_t)parser.value.p; | |
3438 | break; | |
3439 | } | |
3440 | break; | |
3441 | default: | |
3442 | error("invalid operand"); | |
3443 | } | |
3444 | parser.type = type_l, parser.value = value; | |
3445 | break; | |
3446 | case expr_ne: | |
3447 | type = parser.type, value = parser.value; | |
3448 | expression_bit(); | |
3449 | switch (parser.type) { | |
3450 | case type_l: | |
3451 | switch (type) { | |
3452 | case type_l: | |
3453 | value.i = value.i != parser.value.i; | |
3454 | break; | |
3455 | case type_d: | |
3456 | value.i = value.d != parser.value.i; | |
3457 | break; | |
3458 | default: | |
3459 | value.i = (jit_word_t)value.p != parser.value.i; | |
3460 | break; | |
3461 | } | |
3462 | break; | |
3463 | case type_d: | |
3464 | switch (type) { | |
3465 | case type_l: | |
3466 | value.i = value.i != parser.value.d; | |
3467 | break; | |
3468 | case type_d: | |
3469 | value.i = value.d != parser.value.d; | |
3470 | break; | |
3471 | default: | |
3472 | error("invalid operand"); | |
3473 | } | |
3474 | break; | |
3475 | case type_p: | |
3476 | switch (type) { | |
3477 | case type_l: | |
3478 | value.i = value.i != (jit_word_t)parser.value.p; | |
3479 | break; | |
3480 | case type_d: | |
3481 | error("invalid operand"); | |
3482 | default: | |
3483 | value.i = value.p != parser.value.p; | |
3484 | break; | |
3485 | } | |
3486 | break; | |
3487 | default: | |
3488 | error("invalid operand"); | |
3489 | } | |
3490 | parser.type = type_l, parser.value = value; | |
3491 | break; | |
3492 | default: | |
3493 | return; | |
3494 | } | |
3495 | } | |
3496 | } | |
3497 | ||
3498 | static void | |
3499 | expression_cond(void) | |
3500 | { | |
3501 | type_t type; | |
3502 | value_t value; | |
3503 | int short_circuit; | |
3504 | ||
3505 | expression_rel(); | |
3506 | switch (parser.type) { | |
3507 | case type_l: case type_d: case type_p: break; | |
3508 | default: return; | |
3509 | } | |
3510 | for (;;) { | |
3511 | switch (parser.expr) { | |
3512 | case expr_andand: | |
3513 | type = parser.type, value = parser.value; | |
3514 | switch (type) { | |
3515 | case type_l: | |
3516 | short_circuit = value.i == 0; | |
3517 | break; | |
3518 | case type_d: | |
3519 | short_circuit = value.d == 0.0; | |
3520 | break; | |
3521 | default: | |
3522 | short_circuit = value.p == NULL; | |
3523 | break; | |
3524 | } | |
3525 | parser.short_circuit += short_circuit; | |
3526 | expression_rel(); | |
3527 | parser.short_circuit -= short_circuit; | |
3528 | switch (parser.type) { | |
3529 | case type_l: | |
3530 | switch (type) { | |
3531 | case type_l: | |
3532 | value.i = value.i && parser.value.i; | |
3533 | break; | |
3534 | case type_d: | |
3535 | value.i = value.d && parser.value.i; | |
3536 | break; | |
3537 | default: | |
3538 | value.i = value.p && parser.value.i; | |
3539 | break; | |
3540 | } | |
3541 | break; | |
3542 | case type_d: | |
3543 | switch (type) { | |
3544 | case type_l: | |
3545 | value.i = value.i && parser.value.d; | |
3546 | break; | |
3547 | case type_d: | |
3548 | value.i = value.d && parser.value.d; | |
3549 | break; | |
3550 | default: | |
3551 | value.i = value.p && parser.value.d; | |
3552 | break; | |
3553 | } | |
3554 | break; | |
3555 | case type_p: | |
3556 | switch (type) { | |
3557 | case type_l: | |
3558 | value.i = value.i && parser.value.p; | |
3559 | break; | |
3560 | case type_d: | |
3561 | value.i = value.d && parser.value.p; | |
3562 | break; | |
3563 | default: | |
3564 | value.i = value.p && parser.value.p; | |
3565 | break; | |
3566 | } | |
3567 | break; | |
3568 | default: | |
3569 | error("invalid operand"); | |
3570 | } | |
3571 | parser.type = type_l, parser.value.i = value.i; | |
3572 | break; | |
3573 | case expr_oror: | |
3574 | type = parser.type, value = parser.value; | |
3575 | switch (type) { | |
3576 | case type_l: | |
3577 | short_circuit = value.i != 0; | |
3578 | break; | |
3579 | case type_d: | |
3580 | short_circuit = value.d != 0.0; | |
3581 | break; | |
3582 | default: | |
3583 | short_circuit = value.p != NULL; | |
3584 | break; | |
3585 | } | |
3586 | parser.short_circuit += short_circuit; | |
3587 | expression_rel(); | |
3588 | parser.short_circuit -= short_circuit; | |
3589 | switch (parser.type) { | |
3590 | case type_l: | |
3591 | switch (type) { | |
3592 | case type_l: | |
3593 | value.i = value.i || parser.value.i; | |
3594 | break; | |
3595 | case type_d: | |
3596 | value.i = value.d || parser.value.i; | |
3597 | break; | |
3598 | default: | |
3599 | value.i = value.p || parser.value.i; | |
3600 | break; | |
3601 | } | |
3602 | break; | |
3603 | case type_d: | |
3604 | switch (type) { | |
3605 | case type_l: | |
3606 | value.i = value.i || parser.value.d; | |
3607 | break; | |
3608 | case type_d: | |
3609 | value.i = value.d || parser.value.d; | |
3610 | break; | |
3611 | default: | |
3612 | value.i = value.p || parser.value.d; | |
3613 | break; | |
3614 | } | |
3615 | break; | |
3616 | case type_p: | |
3617 | switch (type) { | |
3618 | case type_l: | |
3619 | value.i = value.i || parser.value.p; | |
3620 | break; | |
3621 | case type_d: | |
3622 | value.i = value.d || parser.value.p; | |
3623 | break; | |
3624 | default: | |
3625 | value.i = value.p || parser.value.p; | |
3626 | break; | |
3627 | } | |
3628 | break; | |
3629 | default: | |
3630 | error("invalid operand"); | |
3631 | } | |
3632 | parser.type = type_l, parser.value.i = value.i; | |
3633 | break; | |
3634 | default: | |
3635 | return; | |
3636 | } | |
3637 | } | |
3638 | } | |
3639 | ||
3640 | static token_t | |
3641 | expression(void) | |
3642 | { | |
3643 | symbol_t *symbol; | |
3644 | ||
3645 | (void)identifier('$'); | |
3646 | if (parser.string[1] == '\0') { | |
3647 | if (getch_noeof() != '(') | |
3648 | error("bad symbol or expression"); | |
3649 | parser.type = type_none; | |
3650 | expression_cond(); | |
3651 | if (parser.expr != expr_rparen) | |
3652 | error("bad expression"); | |
3653 | switch (parser.type) { | |
3654 | case type_l: | |
3655 | return (tok_int); | |
3656 | case type_d: | |
3657 | return (tok_float); | |
3658 | case type_p: | |
3659 | return (tok_pointer); | |
3660 | default: | |
3661 | error("bad expression"); | |
3662 | } | |
3663 | } | |
3664 | else if ((symbol = get_symbol_by_name(parser.string))) { | |
3665 | switch (parser.type = symbol->type) { | |
3666 | case type_l: | |
3667 | parser.value.i = symbol->value.i; | |
3668 | return (tok_int); | |
3669 | case type_d: | |
3670 | parser.value.d = symbol->value.d; | |
3671 | return (tok_float); | |
3672 | default: | |
3673 | parser.value.p = symbol->value.p; | |
3674 | return (tok_pointer); | |
3675 | } | |
3676 | } | |
3677 | else | |
3678 | error("undefined symbol %s", parser.string); | |
3679 | } | |
3680 | ||
3681 | static token_t | |
3682 | primary(skip_t skip) | |
3683 | { | |
3684 | int ch; | |
3685 | ||
3686 | switch (skip) { | |
3687 | case skip_none: ch = getch(); break; | |
3688 | case skip_ws: ch = skipws(); break; | |
3689 | case skip_nl: ch = skipnl(); break; | |
3690 | default: abort(); | |
3691 | } | |
3692 | switch (ch) { | |
3693 | case '%': | |
3694 | return (regname()); | |
3695 | case 'a' ... 'z': case 'A' ... 'Z': case '_': | |
3696 | return (identifier(ch)); | |
3697 | case '0' ... '9': case '+': case '-': | |
3698 | return (number(ch)); | |
3699 | case '.': | |
3700 | return (tok_dot); | |
3701 | case '"': | |
3702 | return (string()); | |
3703 | case '\'': | |
3704 | return (character()); | |
3705 | case '@': | |
3706 | return (dynamic()); | |
3707 | case '$': | |
3708 | return (expression()); | |
3709 | case EOF: | |
3710 | return (tok_eof); | |
3711 | case '\n': | |
3712 | return (tok_newline); | |
3713 | case ';': | |
3714 | return (tok_semicollon); | |
3715 | default: | |
3716 | error("syntax error"); | |
3717 | } | |
3718 | } | |
3719 | ||
3720 | static void | |
3721 | parse(void) | |
3722 | { | |
3723 | int ch; | |
3724 | token_t token; | |
3725 | instr_t *instr; | |
3726 | label_t *label; | |
3727 | void *value; | |
3728 | ||
3729 | for (;;) { | |
3730 | switch (token = primary(skip_nl)) { | |
3731 | case tok_symbol: | |
3732 | ch = getch_noeof(); | |
3733 | if (ch == ':') { | |
3734 | if ((label = get_label_by_name(parser.string))) { | |
3735 | if (label->kind == label_kind_code_forward) { | |
3736 | label->kind = label_kind_code; | |
3737 | jit_link(label->value); | |
3738 | jit_note(parser.name, parser.line); | |
3739 | } | |
3740 | else | |
3741 | error("label %s: redefined", parser.string); | |
3742 | } | |
3743 | else { | |
3744 | if (parser.parsing == PARSING_DATA) { | |
3745 | value = data + data_offset; | |
3746 | label = new_label(label_kind_data, | |
3747 | parser.string, value); | |
3748 | } | |
3749 | else if (parser.parsing == PARSING_CODE) { | |
3750 | value = jit_label(); | |
3751 | jit_note(parser.name, parser.line); | |
3752 | label = new_label(label_kind_code, | |
3753 | parser.string, value); | |
3754 | } | |
3755 | else | |
3756 | error("label not in .code or .data"); | |
3757 | } | |
3758 | break; | |
3759 | } | |
3760 | ungetch(ch); | |
3761 | if ((instr = | |
3762 | (instr_t *)get_hash(instrs, parser.string)) == NULL) | |
3763 | error("unhandled symbol %s", parser.string); | |
3764 | if (parser.parsing != PARSING_CODE) | |
3765 | error(".code must be specified before instructions"); | |
3766 | (*instr->function)(); | |
3767 | break; | |
3768 | case tok_dot: | |
3769 | dot(); | |
3770 | break; | |
3771 | case tok_eof: | |
3772 | return; | |
3773 | default: | |
3774 | error("syntax error"); | |
3775 | } | |
3776 | } | |
3777 | } | |
3778 | ||
3779 | static int | |
3780 | execute(int argc, char *argv[]) | |
3781 | { | |
3782 | int result; | |
3783 | label_t *label; | |
3784 | function_t function; | |
3785 | patch_t *patch, *next; | |
3786 | ||
3787 | for (patch = patches; patch; patch = next) { | |
3788 | next = patch->next; | |
3789 | label = patch->label; | |
3790 | if (label->kind == label_kind_code_forward) | |
3791 | error("undefined label %s", label->name); | |
3792 | switch (patch->kind) { | |
3793 | case patch_kind_jmp: | |
3794 | case patch_kind_mov: | |
3795 | case patch_kind_call: | |
3796 | jit_patch_at(patch->value, label->value); | |
3797 | break; | |
3798 | default: | |
3799 | abort(); | |
3800 | } | |
3801 | free(patch); | |
3802 | patch = next; | |
3803 | } | |
3804 | ||
3805 | if (flag_data == 0) { | |
3806 | jit_realize(); | |
3807 | jit_set_data(NULL, 0, JIT_DISABLE_DATA | JIT_DISABLE_NOTE); | |
3808 | } | |
3809 | ||
3810 | function = jit_emit(); | |
3811 | if (flag_verbose > 1 || flag_disasm) { | |
3812 | jit_print(); | |
519a9ea1 | 3813 | fprintf(stderr, " - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n"); |
4a71579b PC |
3814 | } |
3815 | if (flag_verbose > 0 || flag_disasm) { | |
3816 | jit_disassemble(); | |
519a9ea1 | 3817 | fprintf(stderr, " - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n"); |
4a71579b PC |
3818 | } |
3819 | ||
3820 | jit_clear_state(); | |
3821 | if (flag_disasm) | |
3822 | result = 0; | |
3823 | else | |
3824 | result = (*function)(argc, argv); | |
3825 | jit_destroy_state(); | |
3826 | ||
3827 | return (result); | |
3828 | } | |
3829 | ||
3830 | static void * | |
3831 | xmalloc(size_t size) | |
3832 | { | |
3833 | void *pointer = malloc(size); | |
3834 | ||
3835 | if (pointer == NULL) | |
3836 | error("out of memory"); | |
3837 | ||
3838 | return (pointer); | |
3839 | } | |
3840 | ||
3841 | static void * | |
3842 | xrealloc(void *pointer, size_t size) | |
3843 | { | |
3844 | pointer = realloc(pointer, size); | |
3845 | ||
3846 | if (pointer == NULL) | |
3847 | error("out of memory"); | |
3848 | ||
3849 | return (pointer); | |
3850 | } | |
3851 | ||
3852 | static void * | |
3853 | xcalloc(size_t nmemb, size_t size) | |
3854 | { | |
3855 | void *pointer = calloc(nmemb, size); | |
3856 | ||
3857 | if (pointer == NULL) | |
3858 | error("out of memory"); | |
3859 | ||
3860 | return (pointer); | |
3861 | } | |
3862 | ||
3863 | static label_t * | |
3864 | new_label(label_kind_t kind, char *name, void *value) | |
3865 | { | |
3866 | label_t *label; | |
3867 | ||
3868 | label = (label_t *)xmalloc(sizeof(label_t)); | |
3869 | label->kind = kind; | |
3870 | label->name = strdup(name); | |
3871 | label->value = value; | |
3872 | put_hash(labels, (entry_t *)label); | |
3873 | label_offset++; | |
3874 | return (label); | |
3875 | } | |
3876 | ||
3877 | static patch_t * | |
3878 | new_patch(patch_kind_t kind, label_t *label, void *value) | |
3879 | { | |
3880 | patch_t *patch = (patch_t *)xmalloc(sizeof(patch_t)); | |
3881 | patch->kind = kind; | |
3882 | patch->label = label; | |
3883 | patch->value = value; | |
3884 | patch->next = patches; | |
3885 | patches = patch; | |
3886 | ||
3887 | return (patch); | |
3888 | } | |
3889 | ||
3890 | static int | |
3891 | bcmp_symbols(const void *left, const void *right) | |
3892 | { | |
3893 | return (strcmp((char *)left, (*(symbol_t **)right)->name)); | |
3894 | } | |
3895 | ||
3896 | static int | |
3897 | qcmp_symbols(const void *left, const void *right) | |
3898 | { | |
3899 | return (strcmp((*(symbol_t **)left)->name, (*(symbol_t **)right)->name)); | |
3900 | } | |
3901 | ||
3902 | static symbol_t * | |
3903 | new_symbol(char *name) | |
3904 | { | |
3905 | symbol_t *symbol; | |
3906 | ||
3907 | if ((symbol_offset & 15) == 0) { | |
3908 | if ((symbol_length += 16) == 16) | |
3909 | symbols = (symbol_t **)xmalloc(sizeof(symbol_t *) * | |
3910 | symbol_length); | |
3911 | else | |
3912 | symbols = (symbol_t **)xrealloc(symbols, sizeof(symbol_t *) * | |
3913 | symbol_length); | |
3914 | } | |
3915 | symbol = (symbol_t *)xmalloc(sizeof(symbol_t)); | |
3916 | symbol->name = strdup(name); | |
3917 | symbols[symbol_offset++] = symbol; | |
3918 | qsort(symbols, symbol_offset, sizeof(symbol_t *), qcmp_symbols); | |
3919 | ||
3920 | return (symbol); | |
3921 | } | |
3922 | ||
3923 | static symbol_t * | |
3924 | get_symbol_by_name(char *name) | |
3925 | { | |
3926 | symbol_t **symbol_pointer; | |
3927 | ||
3928 | if (symbols == NULL) | |
3929 | return (NULL); | |
3930 | symbol_pointer = (symbol_t **)bsearch(name, symbols, symbol_offset, | |
3931 | sizeof(symbol_t *), bcmp_symbols); | |
3932 | ||
3933 | return (symbol_pointer ? *symbol_pointer : NULL); | |
3934 | } | |
3935 | ||
3936 | static hash_t * | |
3937 | new_hash(void) | |
3938 | { | |
3939 | hash_t *hash; | |
3940 | ||
3941 | hash = (hash_t *)xmalloc(sizeof(hash_t)); | |
3942 | hash->count = 0; | |
3943 | hash->entries = (entry_t **)xcalloc(hash->size = 32, sizeof(void *)); | |
3944 | ||
3945 | return (hash); | |
3946 | } | |
3947 | ||
3948 | static int | |
3949 | hash_string(char *name) | |
3950 | { | |
3951 | char *ptr; | |
3952 | int key; | |
3953 | ||
3954 | for (key = 0, ptr = name; *ptr; ptr++) | |
3955 | key = (key << (key & 1)) ^ *ptr; | |
3956 | ||
3957 | return (key); | |
3958 | } | |
3959 | ||
3960 | static void | |
3961 | put_hash(hash_t *hash, entry_t *entry) | |
3962 | { | |
3963 | entry_t *prev, *ptr; | |
3964 | int key = hash_string(entry->name) & (hash->size - 1); | |
3965 | ||
3966 | for (prev = ptr = hash->entries[key]; ptr; prev = ptr, ptr = ptr->next) { | |
3967 | if (strcmp(entry->name, ptr->name) == 0) | |
3968 | error("duplicated entry %s", entry->name); | |
3969 | } | |
3970 | if (prev == NULL) | |
3971 | hash->entries[key] = entry; | |
3972 | else | |
3973 | prev->next = entry; | |
3974 | entry->next = NULL; | |
3975 | ++hash->count; | |
3976 | if (hash->count > hash->size * 0.75) | |
3977 | rehash(hash); | |
3978 | } | |
3979 | ||
3980 | static entry_t * | |
3981 | get_hash(hash_t *hash, char *name) | |
3982 | { | |
3983 | entry_t *entry; | |
3984 | int key = hash_string(name) & (hash->size - 1); | |
3985 | ||
3986 | for (entry = hash->entries[key]; entry; entry = entry->next) { | |
3987 | if (strcmp(entry->name, name) == 0) | |
3988 | return (entry); | |
3989 | } | |
3990 | return (NULL); | |
3991 | } | |
3992 | ||
3993 | static void | |
3994 | rehash(hash_t *hash) | |
3995 | { | |
3996 | int i, size, key; | |
3997 | entry_t *entry, *next, **entries; | |
3998 | ||
3999 | entries = (entry_t **)xcalloc(size = hash->size * 2, sizeof(void *)); | |
4000 | for (i = 0; i < hash->size; i++) { | |
4001 | for (entry = hash->entries[i]; entry; entry = next) { | |
4002 | next = entry->next; | |
4003 | key = hash_string(entry->name) & (size - 1); | |
4004 | entry->next = entries[key]; | |
4005 | entries[key] = entry; | |
4006 | } | |
4007 | } | |
4008 | free(hash->entries); | |
4009 | hash->entries = entries; | |
4010 | hash->size = size; | |
4011 | } | |
4012 | ||
4013 | static void | |
4014 | usage(void) | |
4015 | { | |
4016 | #if HAVE_GETOPT_LONG_ONLY | |
4017 | fprintf(stderr, "\ | |
4018 | Usage: %s [jit assembler options] file [jit program options]\n\ | |
4019 | Jit assembler options:\n\ | |
4020 | -help Display this information\n\ | |
4021 | -v[0-3] Verbose output level\n\ | |
4022 | -d Do not use a data buffer\n\ | |
4023 | -D<macro>[=<val>] Preprocessor options\n" | |
4024 | # if defined(__i386__) && __WORDSIZE == 32 | |
4025 | " -mx87=1 Force using x87 when sse2 available\n" | |
4026 | # endif | |
4027 | # if defined(__i386__) || defined(__x86_64__) | |
4028 | " -msse4_1=0 Do not use sse4_1 instructions when available\n" | |
4029 | # endif | |
4030 | # if defined(__arm__) | |
4031 | " -mcpu=<val> Force cpu version (4, 5, 6 or 7)\n\ | |
4032 | -mthumb[=0|1] Enable or disable thumb\n\ | |
4033 | -mvfp=<val> Set vpf version (0 to disable)\n\ | |
4034 | -mneon[=0|1] Enable or disable neon\n" | |
4035 | # endif | |
4036 | , progname); | |
4037 | #else | |
4038 | fprintf(stderr, "\ | |
4039 | Usage: %s [jit assembler options] file [jit program options]\n\ | |
4040 | Jit assembler options:\n\ | |
4041 | -h Display this information\n\ | |
4042 | -v Verbose output level\n\ | |
4043 | -D<macro>[=<val>] Preprocessor options\n", progname); | |
4044 | #endif | |
4045 | finish_jit(); | |
4046 | exit(1); | |
4047 | } | |
4048 | ||
4049 | int | |
4050 | main(int argc, char *argv[]) | |
4051 | { | |
4052 | #if HAVE_GETOPT_LONG_ONLY | |
4053 | static const char *short_options = "dv::"; | |
4054 | static struct option long_options[] = { | |
4055 | { "help", 0, 0, 'h' }, | |
4056 | { "data", 2, 0, 'd' }, | |
4057 | # if defined(__i386__) && __WORDSIZE == 32 | |
4058 | { "mx87", 2, 0, '7' }, | |
4059 | # endif | |
4060 | # if defined(__i386__) || defined(__x86_64__) | |
4061 | { "msse4_1", 2, 0, '4' }, | |
4062 | # endif | |
4063 | # if defined(__arm__) | |
4064 | { "mcpu", 2, 0, 'c' }, | |
4065 | { "mthumb", 2, 0, 't' }, | |
4066 | { "mvfp", 2, 0, 'f' }, | |
4067 | { "mneon", 2, 0, 'n' }, | |
4068 | # endif | |
4069 | { 0, 0, 0, 0 } | |
4070 | }; | |
4071 | #else | |
4072 | #endif /* HAVE_GETOPT_LONG_ONLY */ | |
4073 | int offset; | |
4074 | char *endptr; | |
4075 | int opt_index; | |
4076 | int opt_short; | |
4077 | char cmdline[8192]; | |
4078 | ||
4079 | #if defined(__CYGWIN__) | |
4080 | /* Cause a compile warning about redefinition without dllimport | |
4081 | * attribute, *but* cause correct linkage if liblightning.a is | |
4082 | * linked to binutils (that happens to have an internal | |
4083 | * getopt* implementation and an apparently conflicting | |
4084 | * optind global variable) */ | |
4085 | extern int optind; | |
4086 | optind = 1; | |
4087 | #endif | |
4088 | ||
4089 | progname = argv[0]; | |
4090 | ||
4091 | init_jit(progname); | |
4092 | ||
4093 | #if defined(__sgi) | |
4094 | DL_HANDLE = dlopen(NULL, RTLD_LAZY); | |
4095 | #endif | |
4096 | ||
4097 | flag_data = 1; | |
4098 | #if HAVE_GETOPT_LONG_ONLY | |
4099 | for (;;) { | |
4100 | if ((opt_short = getopt_long_only(argc, argv, short_options, | |
4101 | long_options, &opt_index)) < 0) | |
4102 | break; | |
4103 | switch (opt_short) { | |
4104 | case 'h': | |
4105 | default: | |
4106 | usage(); | |
4107 | break; | |
4108 | case 'v': | |
4109 | if (optarg) { | |
4110 | flag_verbose = strtol(optarg, &endptr, 10); | |
4111 | if (*endptr || flag_verbose < 0) | |
4112 | usage(); | |
4113 | } | |
4114 | else | |
4115 | flag_verbose = 1; | |
4116 | break; | |
4117 | case 'd': | |
4118 | flag_data = 0; | |
4119 | break; | |
4120 | #if defined(__i386__) && __WORDSIZE == 32 | |
4121 | case '7': | |
4122 | if (optarg) { | |
4123 | if (strcmp(optarg, "") == 0 || strcmp(optarg, "1") == 0) | |
4124 | jit_cpu.sse2 = 0; | |
4125 | else if (strcmp(optarg, "0")) | |
4126 | usage(); | |
4127 | } | |
4128 | else | |
4129 | jit_cpu.sse2 = 0; | |
4130 | break; | |
4131 | #endif | |
4132 | #if defined(__i386__) || defined(__x86_64__) | |
4133 | case '4': | |
4134 | if (optarg) { | |
4135 | if (strcmp(optarg, "0") == 0) | |
4136 | jit_cpu.sse4_2 = 0; | |
4137 | else if (strcmp(optarg, "1")) | |
4138 | usage(); | |
4139 | } | |
4140 | break; | |
4141 | #endif | |
4142 | #if defined(__arm__) | |
4143 | case 'c': | |
4144 | if (optarg) { | |
4145 | offset = strtol(optarg, &endptr, 10); | |
4146 | if (*endptr || offset < 0) | |
4147 | usage(); | |
4148 | if (offset < jit_cpu.version) | |
4149 | jit_cpu.version = offset; | |
4150 | } | |
4151 | break; | |
4152 | case 't': | |
4153 | if (optarg) { | |
4154 | if (strcmp(optarg, "0") == 0) | |
4155 | jit_cpu.thumb = 0; | |
4156 | else if (strcmp(optarg, "1") && strcmp(optarg, "2")) | |
4157 | usage(); | |
4158 | } | |
4159 | break; | |
4160 | case 'f': | |
4161 | # if !defined(__ARM_PCS_VFP) | |
4162 | /* Do not allow overrinding hard float abi */ | |
4163 | if (optarg) { | |
4164 | offset = strtol(optarg, &endptr, 10); | |
4165 | if (*endptr || offset < 0) | |
4166 | usage(); | |
4167 | if (offset < jit_cpu.vfp) | |
4168 | jit_cpu.vfp = offset; | |
4169 | } | |
4170 | # endif | |
4171 | break; | |
4172 | case 'n': | |
4173 | if (optarg) { | |
4174 | if (strcmp(optarg, "0") == 0) | |
4175 | jit_cpu.neon = 0; | |
4176 | else if (strcmp(optarg, "1")) | |
4177 | usage(); | |
4178 | } | |
4179 | break; | |
4180 | #endif | |
4181 | } | |
4182 | } | |
4183 | #else | |
4184 | while ((opt_short = getopt(argc, argv, "hvd")) >= 0) { | |
4185 | if (opt_short == 'v') | |
4186 | ++flag_verbose; | |
4187 | else if (opt_short == 'd') | |
4188 | flag_data = 0; | |
4189 | else | |
4190 | usage(); | |
4191 | } | |
4192 | #endif | |
4193 | ||
4194 | opt_index = optind; | |
4195 | #if defined(__hpux) | |
4196 | /* Workaround */ | |
4197 | if (opt_index < argc && argv[opt_index][0] == '-') | |
4198 | ++opt_index; | |
4199 | #endif | |
4200 | if (opt_index < 0 || opt_index >= argc) | |
4201 | usage(); | |
4202 | if (strcmp(argv[opt_index], "-") == 0) | |
4203 | strcpy(parser.name, "<stdin>"); | |
4204 | else { | |
4205 | if ((endptr = strrchr(argv[opt_index], '/')) == NULL) | |
4206 | endptr = argv[opt_index]; | |
4207 | else | |
4208 | ++endptr; | |
4209 | strncpy(parser.name, endptr, sizeof(parser.name)); | |
4210 | parser.name[sizeof(parser.name) - 1] = '\0'; | |
4211 | } | |
4212 | #if __clang__ | |
4213 | # define cc "clang" | |
4214 | #else | |
4215 | # define cc "gcc" | |
4216 | #endif | |
4217 | opt_short = snprintf(cmdline, sizeof(cmdline), cc " -E -x c %s", argv[opt_index]); | |
4218 | for (++opt_index; opt_index < argc; opt_index++) { | |
4219 | if (argv[opt_index][0] == '-') | |
4220 | opt_short += snprintf(cmdline + opt_short, | |
4221 | sizeof(cmdline) - opt_short, | |
4222 | " %s", argv[opt_index]); | |
4223 | else { | |
4224 | --opt_index; | |
4225 | break; | |
4226 | } | |
4227 | } | |
4228 | opt_short += snprintf(cmdline + opt_short, | |
4229 | sizeof(cmdline) - opt_short, | |
4230 | " -D__WORDSIZE=%d", __WORDSIZE); | |
4231 | opt_short += snprintf(cmdline + opt_short, | |
4232 | sizeof(cmdline) - opt_short, | |
4233 | " -D__LITTLE_ENDIAN=%d", __LITTLE_ENDIAN); | |
4234 | opt_short += snprintf(cmdline + opt_short, | |
4235 | sizeof(cmdline) - opt_short, | |
4236 | " -D__BIG_ENDIAN=%d", __BIG_ENDIAN); | |
4237 | opt_short += snprintf(cmdline + opt_short, | |
4238 | sizeof(cmdline) - opt_short, | |
4239 | " -D__BYTE_ORDER=%d", __BYTE_ORDER); | |
4240 | #if defined(__i386__) | |
4241 | opt_short += snprintf(cmdline + opt_short, | |
4242 | sizeof(cmdline) - opt_short, | |
4243 | " -D__i386__=1"); | |
4244 | #endif | |
4245 | #if defined(__x86_64__) | |
4246 | opt_short += snprintf(cmdline + opt_short, | |
4247 | sizeof(cmdline) - opt_short, | |
4248 | " -D__x86_64__=1"); | |
4249 | #endif | |
4250 | #if defined(__mips__) | |
4251 | opt_short += snprintf(cmdline + opt_short, | |
4252 | sizeof(cmdline) - opt_short, | |
4253 | " -D__mips__=1"); | |
4254 | #endif | |
4255 | #if defined(__arm__) | |
4256 | opt_short += snprintf(cmdline + opt_short, | |
4257 | sizeof(cmdline) - opt_short, | |
4258 | " -D__arm__=1"); | |
4259 | #endif | |
4260 | #if defined(__powerpc__) | |
4261 | opt_short += snprintf(cmdline + opt_short, | |
4262 | sizeof(cmdline) - opt_short, | |
4263 | " -D__ppc__=1"); | |
4264 | #endif | |
4265 | #if defined(__sparc__) | |
4266 | opt_short += snprintf(cmdline + opt_short, | |
4267 | sizeof(cmdline) - opt_short, | |
4268 | " -D__sparc__=1"); | |
4269 | #endif | |
4270 | #if defined(__ia64__) | |
4271 | opt_short += snprintf(cmdline + opt_short, | |
4272 | sizeof(cmdline) - opt_short, | |
4273 | " -D__ia64__=1"); | |
4274 | #endif | |
4275 | #if defined(__hppa__) | |
4276 | opt_short += snprintf(cmdline + opt_short, | |
4277 | sizeof(cmdline) - opt_short, | |
4278 | " -D__hppa__=1"); | |
4279 | #endif | |
4280 | #if defined(_AIX) | |
4281 | opt_short += snprintf(cmdline + opt_short, | |
4282 | sizeof(cmdline) - opt_short, | |
4283 | " -D_AIX=1"); | |
4284 | #endif | |
4285 | #if defined(__sgi__) | |
4286 | opt_short += snprintf(cmdline + opt_short, | |
4287 | sizeof(cmdline) - opt_short, | |
4288 | " -D__sgi__=1"); | |
4289 | #endif | |
4290 | #if defined(__aarch64__) | |
4291 | opt_short += snprintf(cmdline + opt_short, | |
4292 | sizeof(cmdline) - opt_short, | |
4293 | " -D__aarch64__=1"); | |
4294 | #endif | |
4295 | #if defined(__s390__) || defined(__s390x__) | |
4296 | opt_short += snprintf(cmdline + opt_short, | |
4297 | sizeof(cmdline) - opt_short, | |
4298 | " -D__s390__=1"); | |
4299 | #endif | |
4300 | #if defined(__alpha__) | |
4301 | opt_short += snprintf(cmdline + opt_short, | |
4302 | sizeof(cmdline) - opt_short, | |
4303 | " -D__alpha__=1"); | |
4304 | #endif | |
4305 | if ((parser.fp = popen(cmdline, "r")) == NULL) | |
4306 | error("cannot execute %s", cmdline); | |
4307 | ||
4308 | parser.line = 1; | |
4309 | parser.string = (char *)xmalloc(parser.length = 4096); | |
4310 | ||
4311 | #if defined(__linux__) && (defined(__i386__) || defined(__x86_64__)) | |
4312 | /* double precision 0x200 | |
4313 | * round nearest 0x000 | |
4314 | * invalid operation mask 0x001 | |
4315 | * denormalized operand mask 0x002 | |
4316 | * zero divide mask 0x004 | |
4317 | * precision (inexact) mask 0x020 | |
4318 | */ | |
4319 | { | |
4320 | fpu_control_t fpu_control = 0x027f; | |
4321 | _FPU_SETCW(fpu_control); | |
4322 | } | |
4323 | #endif | |
4324 | ||
4325 | _jit = jit_new_state(); | |
4326 | ||
4327 | instrs = new_hash(); | |
4328 | for (offset = 0; | |
4329 | offset < (int)(sizeof(instr_vector) / sizeof(instr_vector[0])); | |
4330 | offset++) | |
4331 | put_hash(instrs, (entry_t *)(instr_vector + offset)); | |
4332 | ||
4333 | labels = new_hash(); | |
4334 | ||
4335 | parse(); | |
4336 | pclose(parser.fp); | |
4337 | parser.fp = NULL; | |
4338 | ||
4339 | for (opt_short = 0; opt_index < argc; opt_short++, opt_index++) | |
4340 | argv[opt_short] = argv[opt_index]; | |
4341 | argv[opt_short] = NULL; | |
4342 | argc = opt_short; | |
4343 | execute(argc, argv); | |
4344 | ||
4345 | finish_jit(); | |
4346 | ||
4347 | return (0); | |
4348 | } |