| 1 | /* as.h - global header file |
| 2 | Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 1997 |
| 3 | 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 2, 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, 59 Temple Place - Suite 330, Boston, MA |
| 20 | 02111-1307, USA. */ |
| 21 | |
| 22 | #ifndef GAS |
| 23 | #define GAS 1 |
| 24 | /* |
| 25 | * I think this stuff is largely out of date. xoxorich. |
| 26 | * |
| 27 | * CAPITALISED names are #defined. |
| 28 | * "lowercaseH" is #defined if "lowercase.h" has been #include-d. |
| 29 | * "lowercaseT" is a typedef of "lowercase" objects. |
| 30 | * "lowercaseP" is type "pointer to object of type 'lowercase'". |
| 31 | * "lowercaseS" is typedef struct ... lowercaseS. |
| 32 | * |
| 33 | * #define DEBUG to enable all the "know" assertion tests. |
| 34 | * #define SUSPECT when debugging hash code. |
| 35 | * #define COMMON as "extern" for all modules except one, where you #define |
| 36 | * COMMON as "". |
| 37 | * If TEST is #defined, then we are testing a module: #define COMMON as "". |
| 38 | */ |
| 39 | |
| 40 | #include "config.h" |
| 41 | |
| 42 | /* This is the code recommended in the autoconf documentation, almost |
| 43 | verbatim. If it doesn't work for you, let me know, and notify |
| 44 | djm@gnu.ai.mit.edu as well. */ |
| 45 | /* Added #undef for DJ Delorie. The right fix is to ensure that as.h |
| 46 | is included first, before even any system header files, in all files |
| 47 | that use it. KR 1994.11.03 */ |
| 48 | /* Added void* version for STDC case. This is to be compatible with |
| 49 | the declaration in bison.simple, used for m68k operand parsing. |
| 50 | --KR 1995.08.08 */ |
| 51 | /* Force void* decl for hpux. This is what Bison uses. --KR 1995.08.16 */ |
| 52 | |
| 53 | /* AIX requires this to be the first thing in the file. */ |
| 54 | #ifdef __GNUC__ |
| 55 | #ifdef __STDC__ |
| 56 | extern void *alloca (); |
| 57 | #else |
| 58 | extern char *alloca (); |
| 59 | #endif |
| 60 | #else |
| 61 | # if HAVE_ALLOCA_H |
| 62 | # include <alloca.h> |
| 63 | # else |
| 64 | # ifdef _AIX |
| 65 | #pragma alloca |
| 66 | # else |
| 67 | # ifndef alloca /* predefined by HP cc +Olibcalls */ |
| 68 | # if !defined (__STDC__) && !defined (__hpux) |
| 69 | extern char *alloca (); |
| 70 | # else |
| 71 | extern void *alloca (); |
| 72 | # endif /* __STDC__, __hpux */ |
| 73 | # endif /* alloca */ |
| 74 | # endif /* _AIX */ |
| 75 | # endif /* HAVE_ALLOCA_H */ |
| 76 | #endif |
| 77 | |
| 78 | /* Now, tend to the rest of the configuration. */ |
| 79 | |
| 80 | /* System include files first... */ |
| 81 | #include <stdio.h> |
| 82 | #include <ctype.h> |
| 83 | #ifdef HAVE_STRING_H |
| 84 | #include <string.h> |
| 85 | #else |
| 86 | #ifdef HAVE_STRINGS_H |
| 87 | #include <strings.h> |
| 88 | #endif |
| 89 | #endif |
| 90 | #ifdef HAVE_STDLIB_H |
| 91 | #include <stdlib.h> |
| 92 | #endif |
| 93 | #ifdef HAVE_UNISTD_H |
| 94 | #include <unistd.h> |
| 95 | #endif |
| 96 | #ifdef HAVE_SYS_TYPES_H |
| 97 | /* for size_t, pid_t */ |
| 98 | #include <sys/types.h> |
| 99 | #endif |
| 100 | |
| 101 | #include <getopt.h> |
| 102 | /* The first getopt value for machine-independent long options. |
| 103 | 150 isn't special; it's just an arbitrary non-ASCII char value. */ |
| 104 | #define OPTION_STD_BASE 150 |
| 105 | /* The first getopt value for machine-dependent long options. |
| 106 | 170 gives the standard options room to grow. */ |
| 107 | #define OPTION_MD_BASE 170 |
| 108 | |
| 109 | #ifdef DEBUG |
| 110 | #undef NDEBUG |
| 111 | #endif |
| 112 | #if !defined (__GNUC__) || __GNUC_MINOR__ <= 5 |
| 113 | #define __PRETTY_FUNCTION__ ((char*)0) |
| 114 | #endif |
| 115 | #if 0 |
| 116 | |
| 117 | /* Handle lossage with assert.h. */ |
| 118 | #ifndef BROKEN_ASSERT |
| 119 | #include <assert.h> |
| 120 | #else /* BROKEN_ASSERT */ |
| 121 | #ifndef NDEBUG |
| 122 | #define assert(p) ((p) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)) |
| 123 | #else |
| 124 | #define assert(p) ((p), 0) |
| 125 | #endif |
| 126 | #endif /* BROKEN_ASSERT */ |
| 127 | |
| 128 | #else |
| 129 | |
| 130 | #define assert(P) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)) |
| 131 | #undef abort |
| 132 | #define abort() as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) |
| 133 | |
| 134 | #endif |
| 135 | |
| 136 | |
| 137 | /* Now GNU header files... */ |
| 138 | #include <ansidecl.h> |
| 139 | #ifdef BFD_ASSEMBLER |
| 140 | #include <bfd.h> |
| 141 | #endif |
| 142 | #include <libiberty.h> |
| 143 | |
| 144 | /* Define the standard progress macros. */ |
| 145 | #include <progress.h> |
| 146 | |
| 147 | /* This doesn't get taken care of anywhere. */ |
| 148 | #ifndef __MWERKS__ /* Metrowerks C chokes on the "defined (inline)" */ |
| 149 | #if !defined (__GNUC__) && !defined (inline) |
| 150 | #define inline |
| 151 | #endif |
| 152 | #endif /* !__MWERKS__ */ |
| 153 | |
| 154 | /* Other stuff from config.h. */ |
| 155 | #ifdef NEED_DECLARATION_STRSTR |
| 156 | extern char *strstr (); |
| 157 | #endif |
| 158 | #ifdef NEED_DECLARATION_MALLOC |
| 159 | extern PTR malloc (); |
| 160 | extern PTR realloc (); |
| 161 | #endif |
| 162 | #ifdef NEED_DECLARATION_FREE |
| 163 | extern void free (); |
| 164 | #endif |
| 165 | #ifdef NEED_DECLARATION_ERRNO |
| 166 | extern int errno; |
| 167 | #endif |
| 168 | |
| 169 | /* This is needed for VMS with DEC C. */ |
| 170 | #if ! defined (__GNUC__) && ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE) |
| 171 | #define unlink remove |
| 172 | #endif |
| 173 | |
| 174 | /* Hack to make "gcc -Wall" not complain about obstack macros. */ |
| 175 | #if !defined (memcpy) && !defined (bcopy) |
| 176 | #define bcopy(src,dest,size) memcpy(dest,src,size) |
| 177 | #endif |
| 178 | |
| 179 | /* Make Saber happier on obstack.h. */ |
| 180 | #ifdef SABER |
| 181 | #undef __PTR_TO_INT |
| 182 | #define __PTR_TO_INT(P) ((int)(P)) |
| 183 | #undef __INT_TO_PTR |
| 184 | #define __INT_TO_PTR(P) ((char *)(P)) |
| 185 | #endif |
| 186 | |
| 187 | #ifndef __LINE__ |
| 188 | #define __LINE__ "unknown" |
| 189 | #endif /* __LINE__ */ |
| 190 | |
| 191 | #ifndef __FILE__ |
| 192 | #define __FILE__ "unknown" |
| 193 | #endif /* __FILE__ */ |
| 194 | |
| 195 | #ifndef FOPEN_WB |
| 196 | #ifdef GO32 |
| 197 | #include "fopen-bin.h" |
| 198 | #else |
| 199 | #include "fopen-same.h" |
| 200 | #endif |
| 201 | #endif |
| 202 | |
| 203 | #ifndef EXIT_SUCCESS |
| 204 | #define EXIT_SUCCESS 0 |
| 205 | #define EXIT_FAILURE 1 |
| 206 | #endif |
| 207 | |
| 208 | #define obstack_chunk_alloc xmalloc |
| 209 | #define obstack_chunk_free xfree |
| 210 | |
| 211 | #define xfree free |
| 212 | |
| 213 | #define BAD_CASE(val) \ |
| 214 | { \ |
| 215 | as_fatal("Case value %ld unexpected at line %d of file \"%s\"\n", \ |
| 216 | (long) val, __LINE__, __FILE__); \ |
| 217 | } |
| 218 | \f |
| 219 | #include "flonum.h" |
| 220 | |
| 221 | /* These are assembler-wide concepts */ |
| 222 | |
| 223 | #ifdef BFD_ASSEMBLER |
| 224 | extern bfd *stdoutput; |
| 225 | typedef bfd_vma addressT; |
| 226 | typedef bfd_signed_vma offsetT; |
| 227 | #else |
| 228 | typedef unsigned long addressT; |
| 229 | typedef long offsetT; |
| 230 | #endif |
| 231 | |
| 232 | /* Type of symbol value, etc. For use in prototypes. */ |
| 233 | typedef addressT valueT; |
| 234 | |
| 235 | #ifndef COMMON |
| 236 | #ifdef TEST |
| 237 | #define COMMON /* declare our COMMONs storage here. */ |
| 238 | #else |
| 239 | #define COMMON extern /* our commons live elswhere */ |
| 240 | #endif |
| 241 | #endif |
| 242 | /* COMMON now defined */ |
| 243 | |
| 244 | #ifdef DEBUG |
| 245 | #ifndef know |
| 246 | #define know(p) assert(p) /* Verify our assumptions! */ |
| 247 | #endif /* not yet defined */ |
| 248 | #else |
| 249 | #define know(p) /* know() checks are no-op.ed */ |
| 250 | #endif |
| 251 | \f |
| 252 | /* input_scrub.c */ |
| 253 | |
| 254 | /* |
| 255 | * Supplies sanitised buffers to read.c. |
| 256 | * Also understands printing line-number part of error messages. |
| 257 | */ |
| 258 | \f |
| 259 | |
| 260 | /* subsegs.c Sub-segments. Also, segment(=expression type)s.*/ |
| 261 | |
| 262 | #ifndef BFD_ASSEMBLER |
| 263 | |
| 264 | #ifdef MANY_SEGMENTS |
| 265 | #include "bfd.h" |
| 266 | #define N_SEGMENTS 40 |
| 267 | #define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E39) |
| 268 | #define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9,\ |
| 269 | SEG_E10,SEG_E11,SEG_E12,SEG_E13,SEG_E14,SEG_E15,SEG_E16,SEG_E17,SEG_E18,SEG_E19,\ |
| 270 | SEG_E20,SEG_E21,SEG_E22,SEG_E23,SEG_E24,SEG_E25,SEG_E26,SEG_E27,SEG_E28,SEG_E29,\ |
| 271 | SEG_E30,SEG_E31,SEG_E32,SEG_E33,SEG_E34,SEG_E35,SEG_E36,SEG_E37,SEG_E38,SEG_E39 |
| 272 | #define SEG_TEXT SEG_E0 |
| 273 | #define SEG_DATA SEG_E1 |
| 274 | #define SEG_BSS SEG_E2 |
| 275 | #define SEG_LAST SEG_E39 |
| 276 | #else |
| 277 | #define N_SEGMENTS 3 |
| 278 | #define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS) |
| 279 | #define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS |
| 280 | #endif |
| 281 | |
| 282 | typedef enum _segT |
| 283 | { |
| 284 | SEG_ABSOLUTE = 0, |
| 285 | SEG_LIST, |
| 286 | SEG_UNKNOWN, |
| 287 | SEG_GOOF, /* Only happens if AS has a logic error. */ |
| 288 | /* Invented so we don't crash printing */ |
| 289 | /* error message involving weird segment. */ |
| 290 | SEG_EXPR, /* Intermediate expression values. */ |
| 291 | SEG_DEBUG, /* Debug segment */ |
| 292 | SEG_NTV, /* Transfert vector preload segment */ |
| 293 | SEG_PTV, /* Transfert vector postload segment */ |
| 294 | SEG_REGISTER /* Mythical: a register-valued expression */ |
| 295 | } segT; |
| 296 | |
| 297 | #define SEG_MAXIMUM_ORDINAL (SEG_REGISTER) |
| 298 | #else |
| 299 | typedef asection *segT; |
| 300 | #define SEG_NORMAL(SEG) ((SEG) != absolute_section \ |
| 301 | && (SEG) != undefined_section \ |
| 302 | && (SEG) != reg_section \ |
| 303 | && (SEG) != expr_section) |
| 304 | #endif |
| 305 | typedef int subsegT; |
| 306 | |
| 307 | /* What subseg we are accreting now? */ |
| 308 | COMMON subsegT now_subseg; |
| 309 | |
| 310 | /* Segment our instructions emit to. */ |
| 311 | COMMON segT now_seg; |
| 312 | |
| 313 | #ifdef BFD_ASSEMBLER |
| 314 | #define segment_name(SEG) bfd_get_section_name (stdoutput, SEG) |
| 315 | #else |
| 316 | extern char const *const seg_name[]; |
| 317 | #define segment_name(SEG) seg_name[(int) (SEG)] |
| 318 | #endif |
| 319 | |
| 320 | #ifndef BFD_ASSEMBLER |
| 321 | extern int section_alignment[]; |
| 322 | #endif |
| 323 | |
| 324 | #ifdef BFD_ASSEMBLER |
| 325 | extern segT reg_section, expr_section; |
| 326 | /* Shouldn't these be eliminated someday? */ |
| 327 | extern segT text_section, data_section, bss_section; |
| 328 | #define absolute_section bfd_abs_section_ptr |
| 329 | #define undefined_section bfd_und_section_ptr |
| 330 | #else |
| 331 | #define reg_section SEG_REGISTER |
| 332 | #define expr_section SEG_EXPR |
| 333 | #define text_section SEG_TEXT |
| 334 | #define data_section SEG_DATA |
| 335 | #define bss_section SEG_BSS |
| 336 | #define absolute_section SEG_ABSOLUTE |
| 337 | #define undefined_section SEG_UNKNOWN |
| 338 | #endif |
| 339 | |
| 340 | /* relax() */ |
| 341 | |
| 342 | enum _relax_state |
| 343 | { |
| 344 | /* Variable chars to be repeated fr_offset times. |
| 345 | Fr_symbol unused. Used with fr_offset == 0 for a |
| 346 | constant length frag. */ |
| 347 | rs_fill = 1, |
| 348 | |
| 349 | /* Align. The fr_offset field holds the power of 2 to which to |
| 350 | align. The fr_var field holds the number of characters in the |
| 351 | fill pattern. The fr_subtype field holds the maximum number of |
| 352 | bytes to skip when aligning, or 0 if there is no maximum. */ |
| 353 | rs_align, |
| 354 | |
| 355 | /* Align code. The fr_offset field holds the power of 2 to which |
| 356 | to align. This type is only generated by machine specific |
| 357 | code, which is normally responsible for handling the fill |
| 358 | pattern. The fr_subtype field holds the maximum number of |
| 359 | bytes to skip when aligning, or 0 if there is no maximum. */ |
| 360 | rs_align_code, |
| 361 | |
| 362 | /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill |
| 363 | character. */ |
| 364 | rs_org, |
| 365 | |
| 366 | #ifndef WORKING_DOT_WORD |
| 367 | /* JF: gunpoint */ |
| 368 | rs_broken_word, |
| 369 | #endif |
| 370 | |
| 371 | /* machine-specific relaxable (or similarly alterable) instruction */ |
| 372 | rs_machine_dependent, |
| 373 | |
| 374 | /* .space directive with expression operand that needs to be computed |
| 375 | later. Similar to rs_org, but different. |
| 376 | fr_symbol: operand |
| 377 | 1 variable char: fill character */ |
| 378 | rs_space, |
| 379 | |
| 380 | /* A DWARF leb128 value; only ELF uses this. The subtype is 0 for |
| 381 | unsigned, 1 for signed. */ |
| 382 | rs_leb128 |
| 383 | }; |
| 384 | |
| 385 | typedef enum _relax_state relax_stateT; |
| 386 | |
| 387 | /* This type is used in prototypes, so it can't be a type that will be |
| 388 | widened for argument passing. */ |
| 389 | typedef unsigned int relax_substateT; |
| 390 | |
| 391 | /* Enough bits for address, but still an integer type. |
| 392 | Could be a problem, cross-assembling for 64-bit machines. */ |
| 393 | typedef addressT relax_addressT; |
| 394 | \f |
| 395 | |
| 396 | /* frags.c */ |
| 397 | |
| 398 | /* |
| 399 | * A code fragment (frag) is some known number of chars, followed by some |
| 400 | * unknown number of chars. Typically the unknown number of chars is an |
| 401 | * instruction address whose size is yet unknown. We always know the greatest |
| 402 | * possible size the unknown number of chars may become, and reserve that |
| 403 | * much room at the end of the frag. |
| 404 | * Once created, frags do not change address during assembly. |
| 405 | * We chain the frags in (a) forward-linked list(s). The object-file address |
| 406 | * of the 1st char of a frag is generally not known until after relax(). |
| 407 | * Many things at assembly time describe an address by {object-file-address |
| 408 | * of a particular frag}+offset. |
| 409 | |
| 410 | BUG: it may be smarter to have a single pointer off to various different |
| 411 | notes for different frag kinds. See how code pans |
| 412 | */ |
| 413 | struct frag |
| 414 | { |
| 415 | /* Object file address. */ |
| 416 | addressT fr_address; |
| 417 | /* Chain forward; ascending address order. Rooted in frch_root. */ |
| 418 | struct frag *fr_next; |
| 419 | |
| 420 | /* (Fixed) number of chars we know we have. May be 0. */ |
| 421 | offsetT fr_fix; |
| 422 | /* (Variable) number of chars after above. May be 0. */ |
| 423 | offsetT fr_var; |
| 424 | /* For variable-length tail. */ |
| 425 | struct symbol *fr_symbol; |
| 426 | /* For variable-length tail. */ |
| 427 | offsetT fr_offset; |
| 428 | /* Points to opcode low addr byte, for relaxation. */ |
| 429 | char *fr_opcode; |
| 430 | |
| 431 | #ifndef NO_LISTING |
| 432 | struct list_info_struct *line; |
| 433 | #endif |
| 434 | |
| 435 | /* What state is my tail in? */ |
| 436 | relax_stateT fr_type; |
| 437 | relax_substateT fr_subtype; |
| 438 | |
| 439 | union { |
| 440 | /* These are needed only on the NS32K machines. But since we don't |
| 441 | include targ-cpu.h until after this structure has been defined, |
| 442 | we can't really conditionalize it. This code should be |
| 443 | rearranged a bit to make that possible. */ |
| 444 | struct { |
| 445 | char pcrel_adjust, bsr; |
| 446 | } ns32k; |
| 447 | #ifdef USING_CGEN |
| 448 | /* Don't include this unless using CGEN to keep frag size down. */ |
| 449 | struct { |
| 450 | const struct cgen_insn *insn; |
| 451 | unsigned char opindex, opinfo; |
| 452 | } cgen; |
| 453 | #endif |
| 454 | } fr_targ; |
| 455 | |
| 456 | /* Where the frag was created, or where it became a variant frag. */ |
| 457 | char *fr_file; |
| 458 | unsigned int fr_line; |
| 459 | |
| 460 | /* Data begins here. */ |
| 461 | char fr_literal[1]; |
| 462 | }; |
| 463 | |
| 464 | #define SIZEOF_STRUCT_FRAG \ |
| 465 | ((char *)zero_address_frag.fr_literal-(char *)&zero_address_frag) |
| 466 | /* We want to say fr_literal[0] above. */ |
| 467 | |
| 468 | typedef struct frag fragS; |
| 469 | |
| 470 | /* Current frag we are building. This frag is incomplete. It is, however, |
| 471 | included in frchain_now. The fr_fix field is bogus; instead, use: |
| 472 | obstack_next_free(&frags)-frag_now->fr_literal. */ |
| 473 | COMMON fragS *frag_now; |
| 474 | extern int frag_now_fix PARAMS ((void)); |
| 475 | |
| 476 | /* For foreign-segment symbol fixups. */ |
| 477 | COMMON fragS zero_address_frag; |
| 478 | /* For local common (N_BSS segment) fixups. */ |
| 479 | COMMON fragS bss_address_frag; |
| 480 | |
| 481 | /* main program "as.c" (command arguments etc) */ |
| 482 | |
| 483 | COMMON unsigned char flag_no_comments; /* -f */ |
| 484 | COMMON unsigned char flag_debug; /* -D */ |
| 485 | COMMON unsigned char flag_signed_overflow_ok; /* -J */ |
| 486 | #ifndef WORKING_DOT_WORD |
| 487 | COMMON unsigned char flag_warn_displacement; /* -K */ |
| 488 | #endif |
| 489 | |
| 490 | /* True if local symbols should be retained. */ |
| 491 | COMMON int flag_keep_locals; /* -L */ |
| 492 | |
| 493 | /* True if we are assembling in MRI mode. */ |
| 494 | COMMON int flag_mri; |
| 495 | |
| 496 | /* True if we are assembling in m68k MRI mode. */ |
| 497 | COMMON int flag_m68k_mri; |
| 498 | |
| 499 | /* Should the data section be made read-only and appended to the text |
| 500 | section? */ |
| 501 | COMMON unsigned char flag_readonly_data_in_text; /* -R */ |
| 502 | |
| 503 | /* True if warnings should be inhibited. */ |
| 504 | COMMON int flag_no_warnings; /* -W */ |
| 505 | |
| 506 | /* True if we should attempt to generate output even if non-fatal errors |
| 507 | are detected. */ |
| 508 | COMMON unsigned char flag_always_generate_output; /* -Z */ |
| 509 | |
| 510 | /* This is true if the assembler should output time and space usage. */ |
| 511 | |
| 512 | COMMON unsigned char flag_print_statistics; |
| 513 | |
| 514 | /* name of emitted object file */ |
| 515 | COMMON char *out_file_name; |
| 516 | |
| 517 | /* name of file defining extensions to the basic instruction set */ |
| 518 | COMMON char *insttbl_file_name; |
| 519 | |
| 520 | /* TRUE if we need a second pass. */ |
| 521 | COMMON int need_pass_2; |
| 522 | |
| 523 | /* TRUE if we should do no relaxing, and |
| 524 | leave lots of padding. */ |
| 525 | COMMON int linkrelax; |
| 526 | |
| 527 | /* TRUE if we should produce a listing. */ |
| 528 | extern int listing; |
| 529 | |
| 530 | /* Type of debugging information we should generate. We currently |
| 531 | only support stabs and ECOFF. */ |
| 532 | |
| 533 | enum debug_info_type { DEBUG_NONE, DEBUG_STABS, DEBUG_ECOFF }; |
| 534 | |
| 535 | extern enum debug_info_type debug_type; |
| 536 | |
| 537 | /* Maximum level of macro nesting. */ |
| 538 | extern int max_macro_nest; |
| 539 | |
| 540 | /* Obstack chunk size. Keep large for efficient space use, make small to |
| 541 | increase malloc calls for monitoring memory allocation. */ |
| 542 | extern int chunksize; |
| 543 | |
| 544 | struct _pseudo_type |
| 545 | { |
| 546 | /* assembler mnemonic, lower case, no '.' */ |
| 547 | const char *poc_name; |
| 548 | /* Do the work */ |
| 549 | void (*poc_handler) PARAMS ((int)); |
| 550 | /* Value to pass to handler */ |
| 551 | int poc_val; |
| 552 | }; |
| 553 | |
| 554 | typedef struct _pseudo_type pseudo_typeS; |
| 555 | |
| 556 | /* Prefer varargs for non-ANSI compiler, since some will barf if the |
| 557 | ellipsis definition is used with a no-arguments declaration. */ |
| 558 | #if defined (HAVE_VARARGS_H) && !defined (__STDC__) |
| 559 | #undef HAVE_STDARG_H |
| 560 | #endif |
| 561 | |
| 562 | #if defined (HAVE_STDARG_H) |
| 563 | #define USE_STDARG |
| 564 | #endif |
| 565 | #if !defined (USE_STDARG) && defined (HAVE_VARARGS_H) |
| 566 | #define USE_VARARGS |
| 567 | #endif |
| 568 | |
| 569 | #ifdef USE_STDARG |
| 570 | #if (__GNUC__ >= 2) && !defined(VMS) |
| 571 | /* for use with -Wformat */ |
| 572 | #define PRINTF_LIKE(FCN) void FCN (const char *format, ...) \ |
| 573 | __attribute__ ((format (printf, 1, 2))) |
| 574 | #define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, unsigned int line, \ |
| 575 | const char *format, ...) \ |
| 576 | __attribute__ ((format (printf, 3, 4))) |
| 577 | #else /* ANSI C with stdarg, but not GNU C */ |
| 578 | #define PRINTF_LIKE(FCN) void FCN PARAMS ((const char *format, ...)) |
| 579 | #define PRINTF_WHERE_LIKE(FCN) void FCN PARAMS ((char *file, \ |
| 580 | unsigned int line, \ |
| 581 | const char *format, ...)) |
| 582 | #endif |
| 583 | #else /* not using stdarg */ |
| 584 | #define PRINTF_LIKE(FCN) void FCN () |
| 585 | #define PRINTF_WHERE_LIKE(FCN) void FCN () |
| 586 | #endif |
| 587 | |
| 588 | PRINTF_LIKE (as_bad); |
| 589 | PRINTF_LIKE (as_fatal); |
| 590 | PRINTF_LIKE (as_tsktsk); |
| 591 | PRINTF_LIKE (as_warn); |
| 592 | PRINTF_WHERE_LIKE (as_bad_where); |
| 593 | PRINTF_WHERE_LIKE (as_warn_where); |
| 594 | void as_assert PARAMS ((const char *, int, const char *)); |
| 595 | void as_abort PARAMS ((const char *, int, const char *)); |
| 596 | |
| 597 | void fprint_value PARAMS ((FILE *file, addressT value)); |
| 598 | void sprint_value PARAMS ((char *buf, addressT value)); |
| 599 | |
| 600 | int had_errors PARAMS ((void)); |
| 601 | int had_warnings PARAMS ((void)); |
| 602 | |
| 603 | void print_version_id PARAMS ((void)); |
| 604 | char *app_push PARAMS ((void)); |
| 605 | char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words)); |
| 606 | char *input_scrub_include_file PARAMS ((char *filename, char *position)); |
| 607 | char *input_scrub_new_file PARAMS ((char *filename)); |
| 608 | char *input_scrub_next_buffer PARAMS ((char **bufp)); |
| 609 | int do_scrub_chars PARAMS ((int (*get) (char **), char *to, int tolen)); |
| 610 | int gen_to_words PARAMS ((LITTLENUM_TYPE * words, int precision, |
| 611 | long exponent_bits)); |
| 612 | int had_err PARAMS ((void)); |
| 613 | int ignore_input PARAMS ((void)); |
| 614 | void cond_finish_check PARAMS ((int)); |
| 615 | void cond_exit_macro PARAMS ((int)); |
| 616 | int seen_at_least_1_file PARAMS ((void)); |
| 617 | void app_pop PARAMS ((char *arg)); |
| 618 | void as_howmuch PARAMS ((FILE * stream)); |
| 619 | void as_perror PARAMS ((const char *gripe, const char *filename)); |
| 620 | void as_where PARAMS ((char **namep, unsigned int *linep)); |
| 621 | void bump_line_counters PARAMS ((void)); |
| 622 | void do_scrub_begin PARAMS ((int)); |
| 623 | void input_scrub_begin PARAMS ((void)); |
| 624 | void input_scrub_close PARAMS ((void)); |
| 625 | void input_scrub_end PARAMS ((void)); |
| 626 | void new_logical_line PARAMS ((char *fname, int line_number)); |
| 627 | void subsegs_begin PARAMS ((void)); |
| 628 | void subseg_change PARAMS ((segT seg, int subseg)); |
| 629 | segT subseg_new PARAMS ((const char *name, subsegT subseg)); |
| 630 | segT subseg_force_new PARAMS ((const char *name, subsegT subseg)); |
| 631 | void subseg_set PARAMS ((segT seg, subsegT subseg)); |
| 632 | #ifdef BFD_ASSEMBLER |
| 633 | segT subseg_get PARAMS ((const char *, int)); |
| 634 | #endif |
| 635 | |
| 636 | void start_dependencies PARAMS ((char *)); |
| 637 | void register_dependency PARAMS ((char *)); |
| 638 | void print_dependencies PARAMS ((void)); |
| 639 | |
| 640 | struct expressionS; |
| 641 | struct fix; |
| 642 | struct symbol; |
| 643 | struct relax_type; |
| 644 | |
| 645 | #ifdef BFD_ASSEMBLER |
| 646 | /* literal.c */ |
| 647 | valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int)); |
| 648 | #endif |
| 649 | |
| 650 | #include "expr.h" /* Before targ-*.h */ |
| 651 | |
| 652 | /* this one starts the chain of target dependant headers */ |
| 653 | #include "targ-env.h" |
| 654 | |
| 655 | #include "struc-symbol.h" |
| 656 | #include "write.h" |
| 657 | #include "frags.h" |
| 658 | #include "hash.h" |
| 659 | #include "read.h" |
| 660 | #include "symbols.h" |
| 661 | |
| 662 | #include "tc.h" |
| 663 | #include "obj.h" |
| 664 | |
| 665 | #ifdef USE_EMULATIONS |
| 666 | #include "emul.h" |
| 667 | #endif |
| 668 | #include "listing.h" |
| 669 | |
| 670 | #ifndef LOCAL_LABELS_DOLLAR |
| 671 | #define LOCAL_LABELS_DOLLAR 0 |
| 672 | #endif |
| 673 | |
| 674 | #ifndef LOCAL_LABELS_FB |
| 675 | #define LOCAL_LABELS_FB 0 |
| 676 | #endif |
| 677 | |
| 678 | #endif /* GAS */ |
| 679 | |
| 680 | /* end of as.h */ |