| 1 | /* spu.c -- Assembler for the IBM Synergistic Processing Unit (SPU) |
| 2 | |
| 3 | Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GAS, the GNU Assembler. |
| 6 | |
| 7 | GAS is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | GAS is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GAS; see the file COPYING. If not, write to the Free |
| 19 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
| 20 | 02110-1301, USA. */ |
| 21 | |
| 22 | #include "as.h" |
| 23 | #include "safe-ctype.h" |
| 24 | #include "subsegs.h" |
| 25 | #include "dwarf2dbg.h" |
| 26 | |
| 27 | const struct spu_opcode spu_opcodes[] = { |
| 28 | #define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \ |
| 29 | { MACFORMAT, (OPCODE) << (32-11), MNEMONIC, ASMFORMAT }, |
| 30 | #define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \ |
| 31 | { MACFORMAT, ((OPCODE) << (32-11)) | ((FB) << (32-18)), MNEMONIC, ASMFORMAT }, |
| 32 | #include "opcode/spu-insns.h" |
| 33 | #undef APUOP |
| 34 | #undef APUOPFB |
| 35 | }; |
| 36 | |
| 37 | static const int spu_num_opcodes = |
| 38 | sizeof (spu_opcodes) / sizeof (spu_opcodes[0]); |
| 39 | |
| 40 | #define MAX_RELOCS 2 |
| 41 | |
| 42 | struct spu_insn |
| 43 | { |
| 44 | unsigned int opcode; |
| 45 | expressionS exp[MAX_RELOCS]; |
| 46 | int reloc_arg[MAX_RELOCS]; |
| 47 | bfd_reloc_code_real_type reloc[MAX_RELOCS]; |
| 48 | enum spu_insns tag; |
| 49 | }; |
| 50 | |
| 51 | static const char *get_imm (const char *param, struct spu_insn *insn, int arg); |
| 52 | static const char *get_reg (const char *param, struct spu_insn *insn, int arg, |
| 53 | int accept_expr); |
| 54 | static int calcop (struct spu_opcode *format, const char *param, |
| 55 | struct spu_insn *insn); |
| 56 | static void spu_brinfo (int); |
| 57 | static void spu_cons (int); |
| 58 | |
| 59 | extern char *myname; |
| 60 | static struct hash_control *op_hash = NULL; |
| 61 | |
| 62 | /* These bits should be turned off in the first address of every segment */ |
| 63 | int md_seg_align = 7; |
| 64 | |
| 65 | /* These chars start a comment anywhere in a source file (except inside |
| 66 | another comment */ |
| 67 | const char comment_chars[] = "#"; |
| 68 | |
| 69 | /* These chars only start a comment at the beginning of a line. */ |
| 70 | const char line_comment_chars[] = "#"; |
| 71 | |
| 72 | /* gods own line continuation char */ |
| 73 | const char line_separator_chars[] = ";"; |
| 74 | |
| 75 | /* Chars that can be used to separate mant from exp in floating point nums */ |
| 76 | const char EXP_CHARS[] = "eE"; |
| 77 | |
| 78 | /* Chars that mean this number is a floating point constant */ |
| 79 | /* as in 0f123.456 */ |
| 80 | /* or 0H1.234E-12 (see exp chars above) */ |
| 81 | const char FLT_CHARS[] = "dDfF"; |
| 82 | |
| 83 | const pseudo_typeS md_pseudo_table[] = |
| 84 | { |
| 85 | {"align", s_align_ptwo, 4}, |
| 86 | {"brinfo", spu_brinfo, 0}, |
| 87 | {"bss", s_lcomm_bytes, 1}, |
| 88 | {"def", s_set, 0}, |
| 89 | {"dfloat", float_cons, 'd'}, |
| 90 | {"ffloat", float_cons, 'f'}, |
| 91 | {"global", s_globl, 0}, |
| 92 | {"half", cons, 2}, |
| 93 | {"int", spu_cons, 4}, |
| 94 | {"long", spu_cons, 4}, |
| 95 | {"quad", spu_cons, 8}, |
| 96 | {"string", stringer, 8 + 1}, |
| 97 | {"word", spu_cons, 4}, |
| 98 | /* Force set to be treated as an instruction. */ |
| 99 | {"set", NULL, 0}, |
| 100 | {".set", s_set, 0}, |
| 101 | /* Likewise for eqv. */ |
| 102 | {"eqv", NULL, 0}, |
| 103 | {".eqv", s_set, -1}, |
| 104 | {0,0,0} |
| 105 | }; |
| 106 | |
| 107 | /* Bits plugged into branch instruction offset field. */ |
| 108 | unsigned int brinfo; |
| 109 | |
| 110 | void |
| 111 | md_begin (void) |
| 112 | { |
| 113 | const char *retval = NULL; |
| 114 | int i; |
| 115 | |
| 116 | /* initialize hash table */ |
| 117 | |
| 118 | op_hash = hash_new (); |
| 119 | |
| 120 | /* loop until you see the end of the list */ |
| 121 | |
| 122 | for (i = 0; i < spu_num_opcodes; i++) |
| 123 | { |
| 124 | /* hash each mnemonic and record its position */ |
| 125 | |
| 126 | retval = hash_insert (op_hash, spu_opcodes[i].mnemonic, |
| 127 | (void *) &spu_opcodes[i]); |
| 128 | |
| 129 | if (retval != NULL && strcmp (retval, "exists") != 0) |
| 130 | as_fatal (_("Can't hash instruction '%s':%s"), |
| 131 | spu_opcodes[i].mnemonic, retval); |
| 132 | } |
| 133 | } |
| 134 | \f |
| 135 | const char *md_shortopts = ""; |
| 136 | struct option md_longopts[] = { |
| 137 | #define OPTION_APUASM (OPTION_MD_BASE) |
| 138 | {"apuasm", no_argument, NULL, OPTION_APUASM}, |
| 139 | #define OPTION_DD2 (OPTION_MD_BASE+1) |
| 140 | {"mdd2.0", no_argument, NULL, OPTION_DD2}, |
| 141 | #define OPTION_DD1 (OPTION_MD_BASE+2) |
| 142 | {"mdd1.0", no_argument, NULL, OPTION_DD1}, |
| 143 | #define OPTION_DD3 (OPTION_MD_BASE+3) |
| 144 | {"mdd3.0", no_argument, NULL, OPTION_DD3}, |
| 145 | { NULL, no_argument, NULL, 0 } |
| 146 | }; |
| 147 | size_t md_longopts_size = sizeof (md_longopts); |
| 148 | |
| 149 | /* When set (by -apuasm) our assembler emulates the behaviour of apuasm. |
| 150 | * e.g. don't add bias to float conversion and don't right shift |
| 151 | * immediate values. */ |
| 152 | static int emulate_apuasm; |
| 153 | |
| 154 | /* Use the dd2.0 instructions set. The only differences are some new |
| 155 | * register names and the orx insn */ |
| 156 | static int use_dd2 = 1; |
| 157 | |
| 158 | int |
| 159 | md_parse_option (int c, char *arg ATTRIBUTE_UNUSED) |
| 160 | { |
| 161 | switch (c) |
| 162 | { |
| 163 | case OPTION_APUASM: |
| 164 | emulate_apuasm = 1; |
| 165 | break; |
| 166 | case OPTION_DD3: |
| 167 | use_dd2 = 1; |
| 168 | break; |
| 169 | case OPTION_DD2: |
| 170 | use_dd2 = 1; |
| 171 | break; |
| 172 | case OPTION_DD1: |
| 173 | use_dd2 = 0; |
| 174 | break; |
| 175 | default: |
| 176 | return 0; |
| 177 | } |
| 178 | return 1; |
| 179 | } |
| 180 | |
| 181 | void |
| 182 | md_show_usage (FILE *stream) |
| 183 | { |
| 184 | fputs (_("\ |
| 185 | SPU options:\n\ |
| 186 | --apuasm emulate behaviour of apuasm\n"), |
| 187 | stream); |
| 188 | } |
| 189 | \f |
| 190 | |
| 191 | struct arg_encode { |
| 192 | int size; |
| 193 | int pos; |
| 194 | int rshift; |
| 195 | int lo, hi; |
| 196 | int wlo, whi; |
| 197 | bfd_reloc_code_real_type reloc; |
| 198 | }; |
| 199 | |
| 200 | static struct arg_encode arg_encode[A_MAX] = { |
| 201 | { 7, 0, 0, 0, 127, 0, -1, 0 }, /* A_T */ |
| 202 | { 7, 7, 0, 0, 127, 0, -1, 0 }, /* A_A */ |
| 203 | { 7, 14, 0, 0, 127, 0, -1, 0 }, /* A_B */ |
| 204 | { 7, 21, 0, 0, 127, 0, -1, 0 }, /* A_C */ |
| 205 | { 7, 7, 0, 0, 127, 0, -1, 0 }, /* A_S */ |
| 206 | { 7, 7, 0, 0, 127, 0, -1, 0 }, /* A_H */ |
| 207 | { 0, 0, 0, 0, -1, 0, -1, 0 }, /* A_P */ |
| 208 | { 7, 14, 0, 0, -1, 0, -1, BFD_RELOC_SPU_IMM7 }, /* A_S3 */ |
| 209 | { 7, 14, 0, -32, 31, -31, 0, BFD_RELOC_SPU_IMM7 }, /* A_S6 */ |
| 210 | { 7, 14, 0, 0, -1, 0, -1, BFD_RELOC_SPU_IMM7 }, /* A_S7N */ |
| 211 | { 7, 14, 0, -64, 63, -63, 0, BFD_RELOC_SPU_IMM7 }, /* A_S7 */ |
| 212 | { 8, 14, 0, 0, 127, 0, -1, BFD_RELOC_SPU_IMM8 }, /* A_U7A */ |
| 213 | { 8, 14, 0, 0, 127, 0, -1, BFD_RELOC_SPU_IMM8 }, /* A_U7B */ |
| 214 | { 10, 14, 0, -512, 511, -128, 255, BFD_RELOC_SPU_IMM10 }, /* A_S10B */ |
| 215 | { 10, 14, 0, -512, 511, 0, -1, BFD_RELOC_SPU_IMM10 }, /* A_S10 */ |
| 216 | { 2, 23, 9, -1024, 1023, 0, -1, BFD_RELOC_SPU_PCREL9a }, /* A_S11 */ |
| 217 | { 2, 14, 9, -1024, 1023, 0, -1, BFD_RELOC_SPU_PCREL9b }, /* A_S11I */ |
| 218 | { 10, 14, 4, -8192, 8191, 0, -1, BFD_RELOC_SPU_IMM10W }, /* A_S14 */ |
| 219 | { 16, 7, 0, -32768, 32767, 0, -1, BFD_RELOC_SPU_IMM16 }, /* A_S16 */ |
| 220 | { 16, 7, 2, -131072, 262143, 0, -1, BFD_RELOC_SPU_IMM16W }, /* A_S18 */ |
| 221 | { 16, 7, 2, -262144, 262143, 0, -1, BFD_RELOC_SPU_PCREL16 }, /* A_R18 */ |
| 222 | { 7, 14, 0, 0, -1, 0, -1, BFD_RELOC_SPU_IMM7 }, /* A_U3 */ |
| 223 | { 7, 14, 0, 0, 127, 0, 31, BFD_RELOC_SPU_IMM7 }, /* A_U5 */ |
| 224 | { 7, 14, 0, 0, 127, 0, 63, BFD_RELOC_SPU_IMM7 }, /* A_U6 */ |
| 225 | { 7, 14, 0, 0, -1, 0, -1, BFD_RELOC_SPU_IMM7 }, /* A_U7 */ |
| 226 | { 14, 0, 0, 0, 16383, 0, -1, 0 }, /* A_U14 */ |
| 227 | { 16, 7, 0, -32768, 65535, 0, -1, BFD_RELOC_SPU_IMM16 }, /* A_X16 */ |
| 228 | { 18, 7, 0, 0, 262143, 0, -1, BFD_RELOC_SPU_IMM18 }, /* A_U18 */ |
| 229 | }; |
| 230 | |
| 231 | /* Some flags for handling errors. This is very hackish and added after |
| 232 | * the fact. */ |
| 233 | static int syntax_error_arg; |
| 234 | static const char *syntax_error_param; |
| 235 | static int syntax_reg; |
| 236 | |
| 237 | static char * |
| 238 | insn_fmt_string (struct spu_opcode *format) |
| 239 | { |
| 240 | static char buf[64]; |
| 241 | int len = 0; |
| 242 | int i; |
| 243 | |
| 244 | len += sprintf (&buf[len], "%s\t", format->mnemonic); |
| 245 | for (i = 1; i <= format->arg[0]; i++) |
| 246 | { |
| 247 | int arg = format->arg[i]; |
| 248 | char *exp; |
| 249 | if (i > 1 && arg != A_P && format->arg[i-1] != A_P) |
| 250 | buf[len++] = ','; |
| 251 | if (arg == A_P) |
| 252 | exp = "("; |
| 253 | else if (arg < A_P) |
| 254 | exp = i == syntax_error_arg ? "REG" : "reg"; |
| 255 | else |
| 256 | exp = i == syntax_error_arg ? "IMM" : "imm"; |
| 257 | len += sprintf (&buf[len], "%s", exp); |
| 258 | if (i > 1 && format->arg[i-1] == A_P) |
| 259 | buf[len++] = ')'; |
| 260 | } |
| 261 | buf[len] = 0; |
| 262 | return buf; |
| 263 | } |
| 264 | |
| 265 | void |
| 266 | md_assemble (char *op) |
| 267 | { |
| 268 | char *param, *thisfrag; |
| 269 | char c; |
| 270 | struct spu_opcode *format; |
| 271 | struct spu_insn insn; |
| 272 | int i; |
| 273 | |
| 274 | gas_assert (op); |
| 275 | |
| 276 | /* skip over instruction to find parameters */ |
| 277 | |
| 278 | for (param = op; *param != 0 && !ISSPACE (*param); param++) |
| 279 | ; |
| 280 | c = *param; |
| 281 | *param = 0; |
| 282 | |
| 283 | if (c != 0 && c != '\n') |
| 284 | param++; |
| 285 | |
| 286 | /* try to find the instruction in the hash table */ |
| 287 | |
| 288 | if ((format = (struct spu_opcode *) hash_find (op_hash, op)) == NULL) |
| 289 | { |
| 290 | as_bad (_("Invalid mnemonic '%s'"), op); |
| 291 | return; |
| 292 | } |
| 293 | |
| 294 | if (!use_dd2 && strcmp (format->mnemonic, "orx") == 0) |
| 295 | { |
| 296 | as_bad (_("'%s' is only available in DD2.0 or higher."), op); |
| 297 | return; |
| 298 | } |
| 299 | |
| 300 | while (1) |
| 301 | { |
| 302 | /* try parsing this instruction into insn */ |
| 303 | for (i = 0; i < MAX_RELOCS; i++) |
| 304 | { |
| 305 | insn.exp[i].X_add_symbol = 0; |
| 306 | insn.exp[i].X_op_symbol = 0; |
| 307 | insn.exp[i].X_add_number = 0; |
| 308 | insn.exp[i].X_op = O_illegal; |
| 309 | insn.reloc_arg[i] = -1; |
| 310 | insn.reloc[i] = BFD_RELOC_NONE; |
| 311 | } |
| 312 | insn.opcode = format->opcode; |
| 313 | insn.tag = (enum spu_insns) (format - spu_opcodes); |
| 314 | |
| 315 | syntax_error_arg = 0; |
| 316 | syntax_error_param = 0; |
| 317 | syntax_reg = 0; |
| 318 | if (calcop (format, param, &insn)) |
| 319 | break; |
| 320 | |
| 321 | /* if it doesn't parse try the next instruction */ |
| 322 | if (!strcmp (format[0].mnemonic, format[1].mnemonic)) |
| 323 | format++; |
| 324 | else |
| 325 | { |
| 326 | int parg = format[0].arg[syntax_error_arg-1]; |
| 327 | |
| 328 | as_fatal (_("Error in argument %d. Expecting: \"%s\""), |
| 329 | syntax_error_arg - (parg == A_P), |
| 330 | insn_fmt_string (format)); |
| 331 | return; |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | if ((syntax_reg & 4) |
| 336 | && ! (insn.tag == M_RDCH |
| 337 | || insn.tag == M_RCHCNT |
| 338 | || insn.tag == M_WRCH)) |
| 339 | as_warn (_("Mixing register syntax, with and without '$'.")); |
| 340 | if (syntax_error_param) |
| 341 | { |
| 342 | const char *d = syntax_error_param; |
| 343 | while (*d != '$') |
| 344 | d--; |
| 345 | as_warn (_("Treating '%-*s' as a symbol."), (int)(syntax_error_param - d), d); |
| 346 | } |
| 347 | |
| 348 | if (brinfo != 0 |
| 349 | && (insn.tag <= M_BRASL |
| 350 | || (insn.tag >= M_BRZ && insn.tag <= M_BRHNZ)) |
| 351 | && (insn.opcode & 0x7ff80) == 0 |
| 352 | && (insn.reloc_arg[0] == A_R18 |
| 353 | || insn.reloc_arg[0] == A_S18 |
| 354 | || insn.reloc_arg[1] == A_R18 |
| 355 | || insn.reloc_arg[1] == A_S18)) |
| 356 | insn.opcode |= brinfo << 7; |
| 357 | |
| 358 | /* grow the current frag and plop in the opcode */ |
| 359 | |
| 360 | thisfrag = frag_more (4); |
| 361 | md_number_to_chars (thisfrag, insn.opcode, 4); |
| 362 | |
| 363 | /* if this instruction requires labels mark it for later */ |
| 364 | |
| 365 | for (i = 0; i < MAX_RELOCS; i++) |
| 366 | if (insn.reloc_arg[i] >= 0) |
| 367 | { |
| 368 | fixS *fixP; |
| 369 | bfd_reloc_code_real_type reloc = insn.reloc[i]; |
| 370 | int pcrel = 0; |
| 371 | |
| 372 | if (reloc == BFD_RELOC_SPU_PCREL9a |
| 373 | || reloc == BFD_RELOC_SPU_PCREL9b |
| 374 | || reloc == BFD_RELOC_SPU_PCREL16) |
| 375 | pcrel = 1; |
| 376 | fixP = fix_new_exp (frag_now, |
| 377 | thisfrag - frag_now->fr_literal, |
| 378 | 4, |
| 379 | &insn.exp[i], |
| 380 | pcrel, |
| 381 | reloc); |
| 382 | fixP->tc_fix_data.arg_format = insn.reloc_arg[i]; |
| 383 | fixP->tc_fix_data.insn_tag = insn.tag; |
| 384 | } |
| 385 | dwarf2_emit_insn (4); |
| 386 | |
| 387 | /* .brinfo lasts exactly one instruction. */ |
| 388 | brinfo = 0; |
| 389 | } |
| 390 | |
| 391 | static int |
| 392 | calcop (struct spu_opcode *format, const char *param, struct spu_insn *insn) |
| 393 | { |
| 394 | int i; |
| 395 | int paren = 0; |
| 396 | int arg; |
| 397 | |
| 398 | for (i = 1; i <= format->arg[0]; i++) |
| 399 | { |
| 400 | arg = format->arg[i]; |
| 401 | syntax_error_arg = i; |
| 402 | |
| 403 | while (ISSPACE (*param)) |
| 404 | param++; |
| 405 | if (*param == 0 || *param == ',') |
| 406 | return 0; |
| 407 | if (arg < A_P) |
| 408 | param = get_reg (param, insn, arg, 1); |
| 409 | else if (arg > A_P) |
| 410 | param = get_imm (param, insn, arg); |
| 411 | else if (arg == A_P) |
| 412 | { |
| 413 | paren++; |
| 414 | if ('(' != *param++) |
| 415 | return 0; |
| 416 | } |
| 417 | |
| 418 | if (!param) |
| 419 | return 0; |
| 420 | |
| 421 | while (ISSPACE (*param)) |
| 422 | param++; |
| 423 | |
| 424 | if (arg != A_P && paren) |
| 425 | { |
| 426 | paren--; |
| 427 | if (')' != *param++) |
| 428 | return 0; |
| 429 | } |
| 430 | else if (i < format->arg[0] |
| 431 | && format->arg[i] != A_P |
| 432 | && format->arg[i+1] != A_P) |
| 433 | { |
| 434 | if (',' != *param++) |
| 435 | { |
| 436 | syntax_error_arg++; |
| 437 | return 0; |
| 438 | } |
| 439 | } |
| 440 | } |
| 441 | while (ISSPACE (*param)) |
| 442 | param++; |
| 443 | return !paren && (*param == 0 || *param == '\n'); |
| 444 | } |
| 445 | |
| 446 | struct reg_name { |
| 447 | unsigned int regno; |
| 448 | unsigned int length; |
| 449 | char name[32]; |
| 450 | }; |
| 451 | |
| 452 | #define REG_NAME(NO,NM) { NO, sizeof (NM) - 1, NM } |
| 453 | |
| 454 | static struct reg_name reg_name[] = { |
| 455 | REG_NAME (0, "lr"), /* link register */ |
| 456 | REG_NAME (1, "sp"), /* stack pointer */ |
| 457 | REG_NAME (0, "rp"), /* link register */ |
| 458 | REG_NAME (127, "fp"), /* frame pointer */ |
| 459 | }; |
| 460 | |
| 461 | static struct reg_name sp_reg_name[] = { |
| 462 | }; |
| 463 | |
| 464 | static struct reg_name ch_reg_name[] = { |
| 465 | REG_NAME ( 0, "SPU_RdEventStat"), |
| 466 | REG_NAME ( 1, "SPU_WrEventMask"), |
| 467 | REG_NAME ( 2, "SPU_WrEventAck"), |
| 468 | REG_NAME ( 3, "SPU_RdSigNotify1"), |
| 469 | REG_NAME ( 4, "SPU_RdSigNotify2"), |
| 470 | REG_NAME ( 7, "SPU_WrDec"), |
| 471 | REG_NAME ( 8, "SPU_RdDec"), |
| 472 | REG_NAME ( 11, "SPU_RdEventMask"), /* DD2.0 only */ |
| 473 | REG_NAME ( 13, "SPU_RdMachStat"), |
| 474 | REG_NAME ( 14, "SPU_WrSRR0"), |
| 475 | REG_NAME ( 15, "SPU_RdSRR0"), |
| 476 | REG_NAME ( 28, "SPU_WrOutMbox"), |
| 477 | REG_NAME ( 29, "SPU_RdInMbox"), |
| 478 | REG_NAME ( 30, "SPU_WrOutIntrMbox"), |
| 479 | REG_NAME ( 9, "MFC_WrMSSyncReq"), |
| 480 | REG_NAME ( 12, "MFC_RdTagMask"), /* DD2.0 only */ |
| 481 | REG_NAME ( 16, "MFC_LSA"), |
| 482 | REG_NAME ( 17, "MFC_EAH"), |
| 483 | REG_NAME ( 18, "MFC_EAL"), |
| 484 | REG_NAME ( 19, "MFC_Size"), |
| 485 | REG_NAME ( 20, "MFC_TagID"), |
| 486 | REG_NAME ( 21, "MFC_Cmd"), |
| 487 | REG_NAME ( 22, "MFC_WrTagMask"), |
| 488 | REG_NAME ( 23, "MFC_WrTagUpdate"), |
| 489 | REG_NAME ( 24, "MFC_RdTagStat"), |
| 490 | REG_NAME ( 25, "MFC_RdListStallStat"), |
| 491 | REG_NAME ( 26, "MFC_WrListStallAck"), |
| 492 | REG_NAME ( 27, "MFC_RdAtomicStat"), |
| 493 | }; |
| 494 | #undef REG_NAME |
| 495 | |
| 496 | static const char * |
| 497 | get_reg (const char *param, struct spu_insn *insn, int arg, int accept_expr) |
| 498 | { |
| 499 | unsigned regno; |
| 500 | int saw_prefix = 0; |
| 501 | |
| 502 | if (*param == '$') |
| 503 | { |
| 504 | saw_prefix = 1; |
| 505 | param++; |
| 506 | } |
| 507 | |
| 508 | if (arg == A_H) /* Channel */ |
| 509 | { |
| 510 | if ((param[0] == 'c' || param[0] == 'C') |
| 511 | && (param[1] == 'h' || param[1] == 'H') |
| 512 | && ISDIGIT (param[2])) |
| 513 | param += 2; |
| 514 | } |
| 515 | else if (arg == A_S) /* Special purpose register */ |
| 516 | { |
| 517 | if ((param[0] == 's' || param[0] == 'S') |
| 518 | && (param[1] == 'p' || param[1] == 'P') |
| 519 | && ISDIGIT (param[2])) |
| 520 | param += 2; |
| 521 | } |
| 522 | |
| 523 | if (ISDIGIT (*param)) |
| 524 | { |
| 525 | regno = 0; |
| 526 | while (ISDIGIT (*param)) |
| 527 | regno = regno * 10 + *param++ - '0'; |
| 528 | } |
| 529 | else |
| 530 | { |
| 531 | struct reg_name *rn; |
| 532 | unsigned int i, n, l = 0; |
| 533 | |
| 534 | if (arg == A_H) /* Channel */ |
| 535 | { |
| 536 | rn = ch_reg_name; |
| 537 | n = sizeof (ch_reg_name) / sizeof (*ch_reg_name); |
| 538 | } |
| 539 | else if (arg == A_S) /* Special purpose register */ |
| 540 | { |
| 541 | rn = sp_reg_name; |
| 542 | n = sizeof (sp_reg_name) / sizeof (*sp_reg_name); |
| 543 | } |
| 544 | else |
| 545 | { |
| 546 | rn = reg_name; |
| 547 | n = sizeof (reg_name) / sizeof (*reg_name); |
| 548 | } |
| 549 | regno = 128; |
| 550 | for (i = 0; i < n; i++) |
| 551 | if (rn[i].length > l |
| 552 | && 0 == strncasecmp (param, rn[i].name, rn[i].length)) |
| 553 | { |
| 554 | l = rn[i].length; |
| 555 | regno = rn[i].regno; |
| 556 | } |
| 557 | param += l; |
| 558 | } |
| 559 | |
| 560 | if (!use_dd2 |
| 561 | && arg == A_H) |
| 562 | { |
| 563 | if (regno == 11) |
| 564 | as_bad (_("'SPU_RdEventMask' (channel 11) is only available in DD2.0 or higher.")); |
| 565 | else if (regno == 12) |
| 566 | as_bad (_("'MFC_RdTagMask' (channel 12) is only available in DD2.0 or higher.")); |
| 567 | } |
| 568 | |
| 569 | if (regno < 128) |
| 570 | { |
| 571 | insn->opcode |= regno << arg_encode[arg].pos; |
| 572 | if ((!saw_prefix && syntax_reg == 1) |
| 573 | || (saw_prefix && syntax_reg == 2)) |
| 574 | syntax_reg |= 4; |
| 575 | syntax_reg |= saw_prefix ? 1 : 2; |
| 576 | return param; |
| 577 | } |
| 578 | |
| 579 | if (accept_expr) |
| 580 | { |
| 581 | char *save_ptr; |
| 582 | expressionS ex; |
| 583 | save_ptr = input_line_pointer; |
| 584 | input_line_pointer = (char *)param; |
| 585 | expression (&ex); |
| 586 | param = input_line_pointer; |
| 587 | input_line_pointer = save_ptr; |
| 588 | if (ex.X_op == O_register || ex.X_op == O_constant) |
| 589 | { |
| 590 | insn->opcode |= ex.X_add_number << arg_encode[arg].pos; |
| 591 | return param; |
| 592 | } |
| 593 | } |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | static const char * |
| 598 | get_imm (const char *param, struct spu_insn *insn, int arg) |
| 599 | { |
| 600 | int val; |
| 601 | char *save_ptr; |
| 602 | int low = 0, high = 0; |
| 603 | int reloc_i = insn->reloc_arg[0] >= 0 ? 1 : 0; |
| 604 | |
| 605 | if (strncasecmp (param, "%lo(", 4) == 0) |
| 606 | { |
| 607 | param += 3; |
| 608 | low = 1; |
| 609 | as_warn (_("Using old style, %%lo(expr), please change to PPC style, expr@l.")); |
| 610 | } |
| 611 | else if (strncasecmp (param, "%hi(", 4) == 0) |
| 612 | { |
| 613 | param += 3; |
| 614 | high = 1; |
| 615 | as_warn (_("Using old style, %%hi(expr), please change to PPC style, expr@h.")); |
| 616 | } |
| 617 | else if (strncasecmp (param, "%pic(", 5) == 0) |
| 618 | { |
| 619 | /* Currently we expect %pic(expr) == expr, so do nothing here. |
| 620 | i.e. for code loaded at address 0 $toc will be 0. */ |
| 621 | param += 4; |
| 622 | } |
| 623 | |
| 624 | if (*param == '$') |
| 625 | { |
| 626 | /* Symbols can start with $, but if this symbol matches a register |
| 627 | name, it's probably a mistake. The only way to avoid this |
| 628 | warning is to rename the symbol. */ |
| 629 | struct spu_insn tmp_insn; |
| 630 | const char *np = get_reg (param, &tmp_insn, arg, 0); |
| 631 | |
| 632 | if (np) |
| 633 | syntax_error_param = np; |
| 634 | } |
| 635 | |
| 636 | save_ptr = input_line_pointer; |
| 637 | input_line_pointer = (char *) param; |
| 638 | expression (&insn->exp[reloc_i]); |
| 639 | param = input_line_pointer; |
| 640 | input_line_pointer = save_ptr; |
| 641 | |
| 642 | /* Similar to ppc_elf_suffix in tc-ppc.c. We have so few cases to |
| 643 | handle we do it inlined here. */ |
| 644 | if (param[0] == '@' && !ISALNUM (param[2]) && param[2] != '@') |
| 645 | { |
| 646 | if (param[1] == 'h' || param[1] == 'H') |
| 647 | { |
| 648 | high = 1; |
| 649 | param += 2; |
| 650 | } |
| 651 | else if (param[1] == 'l' || param[1] == 'L') |
| 652 | { |
| 653 | low = 1; |
| 654 | param += 2; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | if (insn->exp[reloc_i].X_op == O_constant) |
| 659 | { |
| 660 | val = insn->exp[reloc_i].X_add_number; |
| 661 | |
| 662 | if (emulate_apuasm) |
| 663 | { |
| 664 | /* Convert the value to a format we expect. */ |
| 665 | val <<= arg_encode[arg].rshift; |
| 666 | if (arg == A_U7A) |
| 667 | val = 173 - val; |
| 668 | else if (arg == A_U7B) |
| 669 | val = 155 - val; |
| 670 | } |
| 671 | |
| 672 | if (high) |
| 673 | val = val >> 16; |
| 674 | else if (low) |
| 675 | val = val & 0xffff; |
| 676 | |
| 677 | /* Warn about out of range expressions. */ |
| 678 | { |
| 679 | int hi = arg_encode[arg].hi; |
| 680 | int lo = arg_encode[arg].lo; |
| 681 | int whi = arg_encode[arg].whi; |
| 682 | int wlo = arg_encode[arg].wlo; |
| 683 | |
| 684 | if (hi > lo && (val < lo || val > hi)) |
| 685 | as_fatal (_("Constant expression %d out of range, [%d, %d]."), |
| 686 | val, lo, hi); |
| 687 | else if (whi > wlo && (val < wlo || val > whi)) |
| 688 | as_warn (_("Constant expression %d out of range, [%d, %d]."), |
| 689 | val, wlo, whi); |
| 690 | } |
| 691 | |
| 692 | if (arg == A_U7A) |
| 693 | val = 173 - val; |
| 694 | else if (arg == A_U7B) |
| 695 | val = 155 - val; |
| 696 | |
| 697 | /* Branch hints have a split encoding. Do the bottom part. */ |
| 698 | if (arg == A_S11 || arg == A_S11I) |
| 699 | insn->opcode |= ((val >> 2) & 0x7f); |
| 700 | |
| 701 | insn->opcode |= (((val >> arg_encode[arg].rshift) |
| 702 | & ((1 << arg_encode[arg].size) - 1)) |
| 703 | << arg_encode[arg].pos); |
| 704 | } |
| 705 | else |
| 706 | { |
| 707 | insn->reloc_arg[reloc_i] = arg; |
| 708 | if (high) |
| 709 | insn->reloc[reloc_i] = BFD_RELOC_SPU_HI16; |
| 710 | else if (low) |
| 711 | insn->reloc[reloc_i] = BFD_RELOC_SPU_LO16; |
| 712 | else |
| 713 | insn->reloc[reloc_i] = arg_encode[arg].reloc; |
| 714 | } |
| 715 | |
| 716 | return param; |
| 717 | } |
| 718 | |
| 719 | char * |
| 720 | md_atof (int type, char *litP, int *sizeP) |
| 721 | { |
| 722 | return ieee_md_atof (type, litP, sizeP, TRUE); |
| 723 | } |
| 724 | |
| 725 | #ifndef WORKING_DOT_WORD |
| 726 | int md_short_jump_size = 4; |
| 727 | |
| 728 | void |
| 729 | md_create_short_jump (char *ptr, |
| 730 | addressT from_addr ATTRIBUTE_UNUSED, |
| 731 | addressT to_addr ATTRIBUTE_UNUSED, |
| 732 | fragS *frag, |
| 733 | symbolS *to_symbol) |
| 734 | { |
| 735 | ptr[0] = (char) 0xc0; |
| 736 | ptr[1] = 0x00; |
| 737 | ptr[2] = 0x00; |
| 738 | ptr[3] = 0x00; |
| 739 | fix_new (frag, |
| 740 | ptr - frag->fr_literal, |
| 741 | 4, |
| 742 | to_symbol, |
| 743 | (offsetT) 0, |
| 744 | 0, |
| 745 | BFD_RELOC_SPU_PCREL16); |
| 746 | } |
| 747 | |
| 748 | int md_long_jump_size = 4; |
| 749 | |
| 750 | void |
| 751 | md_create_long_jump (char *ptr, |
| 752 | addressT from_addr ATTRIBUTE_UNUSED, |
| 753 | addressT to_addr ATTRIBUTE_UNUSED, |
| 754 | fragS *frag, |
| 755 | symbolS *to_symbol) |
| 756 | { |
| 757 | ptr[0] = (char) 0xc0; |
| 758 | ptr[1] = 0x00; |
| 759 | ptr[2] = 0x00; |
| 760 | ptr[3] = 0x00; |
| 761 | fix_new (frag, |
| 762 | ptr - frag->fr_literal, |
| 763 | 4, |
| 764 | to_symbol, |
| 765 | (offsetT) 0, |
| 766 | 0, |
| 767 | BFD_RELOC_SPU_PCREL16); |
| 768 | } |
| 769 | #endif |
| 770 | |
| 771 | /* Handle .brinfo <priority>,<lrlive>. */ |
| 772 | static void |
| 773 | spu_brinfo (int ignore ATTRIBUTE_UNUSED) |
| 774 | { |
| 775 | addressT priority; |
| 776 | addressT lrlive; |
| 777 | |
| 778 | priority = get_absolute_expression (); |
| 779 | SKIP_WHITESPACE (); |
| 780 | |
| 781 | lrlive = 0; |
| 782 | if (*input_line_pointer == ',') |
| 783 | { |
| 784 | ++input_line_pointer; |
| 785 | lrlive = get_absolute_expression (); |
| 786 | } |
| 787 | |
| 788 | if (priority > 0x1fff) |
| 789 | { |
| 790 | as_bad (_("invalid priority '%lu'"), (unsigned long) priority); |
| 791 | priority = 0; |
| 792 | } |
| 793 | |
| 794 | if (lrlive > 7) |
| 795 | { |
| 796 | as_bad (_("invalid lrlive '%lu'"), (unsigned long) lrlive); |
| 797 | lrlive = 0; |
| 798 | } |
| 799 | |
| 800 | brinfo = (lrlive << 13) | priority; |
| 801 | demand_empty_rest_of_line (); |
| 802 | } |
| 803 | |
| 804 | /* Support @ppu on symbols referenced in .int/.long/.word/.quad. */ |
| 805 | static void |
| 806 | spu_cons (int nbytes) |
| 807 | { |
| 808 | expressionS exp; |
| 809 | |
| 810 | if (is_it_end_of_statement ()) |
| 811 | { |
| 812 | demand_empty_rest_of_line (); |
| 813 | return; |
| 814 | } |
| 815 | |
| 816 | do |
| 817 | { |
| 818 | deferred_expression (&exp); |
| 819 | if ((exp.X_op == O_symbol |
| 820 | || exp.X_op == O_constant) |
| 821 | && strncasecmp (input_line_pointer, "@ppu", 4) == 0) |
| 822 | { |
| 823 | char *p = frag_more (nbytes); |
| 824 | enum bfd_reloc_code_real reloc; |
| 825 | |
| 826 | /* Check for identifier@suffix+constant. */ |
| 827 | input_line_pointer += 4; |
| 828 | if (*input_line_pointer == '-' || *input_line_pointer == '+') |
| 829 | { |
| 830 | expressionS new_exp; |
| 831 | |
| 832 | expression (&new_exp); |
| 833 | if (new_exp.X_op == O_constant) |
| 834 | exp.X_add_number += new_exp.X_add_number; |
| 835 | } |
| 836 | |
| 837 | reloc = nbytes == 4 ? BFD_RELOC_SPU_PPU32 : BFD_RELOC_SPU_PPU64; |
| 838 | fix_new_exp (frag_now, p - frag_now->fr_literal, nbytes, |
| 839 | &exp, 0, reloc); |
| 840 | } |
| 841 | else |
| 842 | emit_expr (&exp, nbytes); |
| 843 | } |
| 844 | while (*input_line_pointer++ == ','); |
| 845 | |
| 846 | /* Put terminator back into stream. */ |
| 847 | input_line_pointer--; |
| 848 | demand_empty_rest_of_line (); |
| 849 | } |
| 850 | |
| 851 | int |
| 852 | md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED, |
| 853 | segT segment_type ATTRIBUTE_UNUSED) |
| 854 | { |
| 855 | as_fatal (_("Relaxation should never occur")); |
| 856 | return -1; |
| 857 | } |
| 858 | |
| 859 | /* If while processing a fixup, a reloc really needs to be created, |
| 860 | then it is done here. */ |
| 861 | |
| 862 | arelent * |
| 863 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) |
| 864 | { |
| 865 | arelent *reloc; |
| 866 | reloc = (arelent *) xmalloc (sizeof (arelent)); |
| 867 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
| 868 | if (fixp->fx_addsy) |
| 869 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
| 870 | else if (fixp->fx_subsy) |
| 871 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy); |
| 872 | else |
| 873 | abort (); |
| 874 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
| 875 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); |
| 876 | if (reloc->howto == (reloc_howto_type *) NULL) |
| 877 | { |
| 878 | as_bad_where (fixp->fx_file, fixp->fx_line, |
| 879 | _("reloc %d not supported by object file format"), |
| 880 | (int) fixp->fx_r_type); |
| 881 | return NULL; |
| 882 | } |
| 883 | reloc->addend = fixp->fx_addnumber; |
| 884 | return reloc; |
| 885 | } |
| 886 | |
| 887 | /* Round up a section's size to the appropriate boundary. */ |
| 888 | |
| 889 | valueT |
| 890 | md_section_align (segT seg, valueT size) |
| 891 | { |
| 892 | int align = bfd_get_section_alignment (stdoutput, seg); |
| 893 | valueT mask = ((valueT) 1 << align) - 1; |
| 894 | |
| 895 | return (size + mask) & ~mask; |
| 896 | } |
| 897 | |
| 898 | /* Where a PC relative offset is calculated from. On the spu they |
| 899 | are calculated from the beginning of the branch instruction. */ |
| 900 | |
| 901 | long |
| 902 | md_pcrel_from (fixS *fixp) |
| 903 | { |
| 904 | return fixp->fx_frag->fr_address + fixp->fx_where; |
| 905 | } |
| 906 | |
| 907 | /* Fill in rs_align_code fragments. */ |
| 908 | |
| 909 | void |
| 910 | spu_handle_align (fragS *fragp) |
| 911 | { |
| 912 | static const unsigned char nop_pattern[8] = { |
| 913 | 0x40, 0x20, 0x00, 0x00, /* even nop */ |
| 914 | 0x00, 0x20, 0x00, 0x00, /* odd nop */ |
| 915 | }; |
| 916 | |
| 917 | int bytes; |
| 918 | char *p; |
| 919 | |
| 920 | if (fragp->fr_type != rs_align_code) |
| 921 | return; |
| 922 | |
| 923 | bytes = fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix; |
| 924 | p = fragp->fr_literal + fragp->fr_fix; |
| 925 | |
| 926 | if (bytes & 3) |
| 927 | { |
| 928 | int fix = bytes & 3; |
| 929 | memset (p, 0, fix); |
| 930 | p += fix; |
| 931 | bytes -= fix; |
| 932 | fragp->fr_fix += fix; |
| 933 | } |
| 934 | if (bytes & 4) |
| 935 | { |
| 936 | memcpy (p, &nop_pattern[4], 4); |
| 937 | p += 4; |
| 938 | bytes -= 4; |
| 939 | fragp->fr_fix += 4; |
| 940 | } |
| 941 | |
| 942 | memcpy (p, nop_pattern, 8); |
| 943 | fragp->fr_var = 8; |
| 944 | } |
| 945 | |
| 946 | void |
| 947 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
| 948 | { |
| 949 | unsigned int res; |
| 950 | unsigned int mask; |
| 951 | valueT val = *valP; |
| 952 | char *place = fixP->fx_where + fixP->fx_frag->fr_literal; |
| 953 | |
| 954 | if (fixP->fx_subsy != (symbolS *) NULL) |
| 955 | { |
| 956 | /* We can't actually support subtracting a symbol. */ |
| 957 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); |
| 958 | } |
| 959 | |
| 960 | if (fixP->fx_addsy != NULL) |
| 961 | { |
| 962 | if (fixP->fx_pcrel) |
| 963 | { |
| 964 | /* Hack around bfd_install_relocation brain damage. */ |
| 965 | val += fixP->fx_frag->fr_address + fixP->fx_where; |
| 966 | |
| 967 | switch (fixP->fx_r_type) |
| 968 | { |
| 969 | case BFD_RELOC_32: |
| 970 | fixP->fx_r_type = BFD_RELOC_32_PCREL; |
| 971 | break; |
| 972 | |
| 973 | case BFD_RELOC_SPU_PCREL16: |
| 974 | case BFD_RELOC_SPU_PCREL9a: |
| 975 | case BFD_RELOC_SPU_PCREL9b: |
| 976 | case BFD_RELOC_32_PCREL: |
| 977 | break; |
| 978 | |
| 979 | default: |
| 980 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 981 | _("expression too complex")); |
| 982 | break; |
| 983 | } |
| 984 | } |
| 985 | } |
| 986 | |
| 987 | fixP->fx_addnumber = val; |
| 988 | |
| 989 | if (fixP->fx_r_type == BFD_RELOC_SPU_PPU32 |
| 990 | || fixP->fx_r_type == BFD_RELOC_SPU_PPU64 |
| 991 | || fixP->fx_r_type == BFD_RELOC_SPU_ADD_PIC) |
| 992 | return; |
| 993 | |
| 994 | if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0) |
| 995 | { |
| 996 | fixP->fx_done = 1; |
| 997 | res = 0; |
| 998 | mask = 0; |
| 999 | if (fixP->tc_fix_data.arg_format > A_P) |
| 1000 | { |
| 1001 | int hi = arg_encode[fixP->tc_fix_data.arg_format].hi; |
| 1002 | int lo = arg_encode[fixP->tc_fix_data.arg_format].lo; |
| 1003 | if (hi > lo && ((offsetT) val < lo || (offsetT) val > hi)) |
| 1004 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 1005 | _("Relocation doesn't fit. (relocation value = 0x%lx)"), |
| 1006 | (long) val); |
| 1007 | } |
| 1008 | |
| 1009 | switch (fixP->fx_r_type) |
| 1010 | { |
| 1011 | case BFD_RELOC_8: |
| 1012 | md_number_to_chars (place, val, 1); |
| 1013 | return; |
| 1014 | |
| 1015 | case BFD_RELOC_16: |
| 1016 | md_number_to_chars (place, val, 2); |
| 1017 | return; |
| 1018 | |
| 1019 | case BFD_RELOC_32: |
| 1020 | case BFD_RELOC_32_PCREL: |
| 1021 | md_number_to_chars (place, val, 4); |
| 1022 | return; |
| 1023 | |
| 1024 | case BFD_RELOC_64: |
| 1025 | md_number_to_chars (place, val, 8); |
| 1026 | return; |
| 1027 | |
| 1028 | case BFD_RELOC_SPU_IMM7: |
| 1029 | res = val << 14; |
| 1030 | mask = 0x7f << 14; |
| 1031 | break; |
| 1032 | |
| 1033 | case BFD_RELOC_SPU_IMM8: |
| 1034 | res = val << 14; |
| 1035 | mask = 0xff << 14; |
| 1036 | break; |
| 1037 | |
| 1038 | case BFD_RELOC_SPU_IMM10: |
| 1039 | res = val << 14; |
| 1040 | mask = 0x3ff << 14; |
| 1041 | break; |
| 1042 | |
| 1043 | case BFD_RELOC_SPU_IMM10W: |
| 1044 | res = val << 10; |
| 1045 | mask = 0x3ff0 << 10; |
| 1046 | break; |
| 1047 | |
| 1048 | case BFD_RELOC_SPU_IMM16: |
| 1049 | res = val << 7; |
| 1050 | mask = 0xffff << 7; |
| 1051 | break; |
| 1052 | |
| 1053 | case BFD_RELOC_SPU_IMM16W: |
| 1054 | res = val << 5; |
| 1055 | mask = 0x3fffc << 5; |
| 1056 | break; |
| 1057 | |
| 1058 | case BFD_RELOC_SPU_IMM18: |
| 1059 | res = val << 7; |
| 1060 | mask = 0x3ffff << 7; |
| 1061 | break; |
| 1062 | |
| 1063 | case BFD_RELOC_SPU_PCREL9a: |
| 1064 | res = ((val & 0x1fc) >> 2) | ((val & 0x600) << 14); |
| 1065 | mask = (0x1fc >> 2) | (0x600 << 14); |
| 1066 | break; |
| 1067 | |
| 1068 | case BFD_RELOC_SPU_PCREL9b: |
| 1069 | res = ((val & 0x1fc) >> 2) | ((val & 0x600) << 5); |
| 1070 | mask = (0x1fc >> 2) | (0x600 << 5); |
| 1071 | break; |
| 1072 | |
| 1073 | case BFD_RELOC_SPU_PCREL16: |
| 1074 | res = val << 5; |
| 1075 | mask = 0x3fffc << 5; |
| 1076 | break; |
| 1077 | |
| 1078 | case BFD_RELOC_SPU_HI16: |
| 1079 | res = val >> 9; |
| 1080 | mask = 0xffff << 7; |
| 1081 | break; |
| 1082 | |
| 1083 | case BFD_RELOC_SPU_LO16: |
| 1084 | res = val << 7; |
| 1085 | mask = 0xffff << 7; |
| 1086 | break; |
| 1087 | |
| 1088 | default: |
| 1089 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 1090 | _("reloc %d not supported by object file format"), |
| 1091 | (int) fixP->fx_r_type); |
| 1092 | } |
| 1093 | |
| 1094 | res &= mask; |
| 1095 | place[0] = (place[0] & (~mask >> 24)) | ((res >> 24) & 0xff); |
| 1096 | place[1] = (place[1] & (~mask >> 16)) | ((res >> 16) & 0xff); |
| 1097 | place[2] = (place[2] & (~mask >> 8)) | ((res >> 8) & 0xff); |
| 1098 | place[3] = (place[3] & ~mask) | (res & 0xff); |
| 1099 | } |
| 1100 | } |