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