gas/as.h

   1 /* as.h - global header file
   2    Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
   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  24 /* I think this stuff is largely out of date.  xoxorich.
  25  *
  26  * CAPITALISED names are #defined.
  27  * "lowercaseH" is #defined if "lowercase.h" has been #include-d.
  28  * "lowercaseT" is a typedef of "lowercase" objects.
  29  * "lowercaseP" is type "pointer to object of type 'lowercase'".
  30  * "lowercaseS" is typedef struct ... lowercaseS.
  31  *
  32  * #define DEBUG to enable all the "know" assertion tests.
  33  * #define SUSPECT when debugging hash code.
  34  * #define COMMON as "extern" for all modules except one, where you #define
  35  *      COMMON as "".
  36  * If TEST is #defined, then we are testing a module: #define COMMON as "".
  37  */
  38
  39 #include "config.h"
  40 #include "bin-bugs.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 # ifndef alloca
  56 #  ifdef __STDC__
  57 extern void *alloca ();
  58 #  else
  59 extern char *alloca ();
  60 #  endif
  61 # endif
  62 #else
  63 # if HAVE_ALLOCA_H
  64 #  include <alloca.h>
  65 # else
  66 #  ifdef _AIX
  67  #pragma alloca
  68 #  else
  69 #   ifndef alloca /* predefined by HP cc +Olibcalls */
  70 #    if !defined (__STDC__) && !defined (__hpux)
  71 extern char *alloca ();
  72 #    else
  73 extern void *alloca ();
  74 #    endif /* __STDC__, __hpux */
  75 #   endif /* alloca */
  76 #  endif /* _AIX */
  77 # endif /* HAVE_ALLOCA_H */
  78 #endif
  79
  80 /* Now, tend to the rest of the configuration.  */
  81
  82 /* System include files first...  */
  83 #include <stdio.h>
  84 #include <ctype.h>
  85 #ifdef HAVE_STRING_H
  86 #include <string.h>
  87 #else
  88 #ifdef HAVE_STRINGS_H
  89 #include <strings.h>
  90 #endif
  91 #endif
  92 #ifdef HAVE_STDLIB_H
  93 #include <stdlib.h>
  94 #endif
  95 #ifdef HAVE_UNISTD_H
  96 #include <unistd.h>
  97 #endif
  98 #ifdef HAVE_SYS_TYPES_H
  99 /* for size_t, pid_t */
 100 #include <sys/types.h>
 101 #endif
 102
 103 #include <getopt.h>
 104 /* The first getopt value for machine-independent long options.
 105    150 isn't special; it's just an arbitrary non-ASCII char value.  */
 106 #define OPTION_STD_BASE 150
 107 /* The first getopt value for machine-dependent long options.
 108    190 gives the standard options room to grow.  */
 109 #define OPTION_MD_BASE 190
 110
 111 #ifdef DEBUG
 112 #undef NDEBUG
 113 #endif
 114 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
 115 #define __PRETTY_FUNCTION__  ((char*)0)
 116 #endif
 117 #if 0
 118
 119 /* Handle lossage with assert.h.  */
 120 #ifndef BROKEN_ASSERT
 121 #include <assert.h>
 122 #else /* BROKEN_ASSERT */
 123 #ifndef NDEBUG
 124 #define assert(p) ((p) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))
 125 #else
 126 #define assert(p) ((p), 0)
 127 #endif
 128 #endif /* BROKEN_ASSERT */
 129
 130 #else
 131
 132 #define assert(P) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))
 133 #undef abort
 134 #define abort()         as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
 135
 136 #endif
 137
 138 /* Now GNU header files...  */
 139 #include "ansidecl.h"
 140 #ifdef BFD_ASSEMBLER
 141 #include "bfd.h"
 142 #endif
 143 #include "libiberty.h"
 144
 145 /* Define the standard progress macros.  */
 146 #include "progress.h"
 147
 148 /* This doesn't get taken care of anywhere.  */
 149 #ifndef __MWERKS__  /* Metrowerks C chokes on the "defined (inline)" */
 150 #if !defined (__GNUC__) && !defined (inline)
 151 #define inline
 152 #endif
 153 #endif /* !__MWERKS__ */
 154
 155 /* Other stuff from config.h.  */
 156 #ifdef NEED_DECLARATION_STRSTR
 157 extern char *strstr ();
 158 #endif
 159 #ifdef NEED_DECLARATION_MALLOC
 160 extern PTR malloc ();
 161 extern PTR realloc ();
 162 #endif
 163 #ifdef NEED_DECLARATION_FREE
 164 extern void free ();
 165 #endif
 166 #ifdef NEED_DECLARATION_ERRNO
 167 extern int errno;
 168 #endif
 169 #ifdef NEED_DECLARATION_ENVIRON
 170 extern char **environ;
 171 #endif
 172
 173 /* This is needed for VMS.  */
 174 #if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
 175 #define unlink remove
 176 #endif
 177
 178 /* Hack to make "gcc -Wall" not complain about obstack macros.  */
 179 #if !defined (memcpy) && !defined (bcopy)
 180 #define bcopy(src,dest,size)    memcpy(dest,src,size)
 181 #endif
 182
 183 /* Make Saber happier on obstack.h.  */
 184 #ifdef SABER
 185 #undef  __PTR_TO_INT
 186 #define __PTR_TO_INT(P) ((int)(P))
 187 #undef  __INT_TO_PTR
 188 #define __INT_TO_PTR(P) ((char *)(P))
 189 #endif
 190
 191 #ifndef __LINE__
 192 #define __LINE__ "unknown"
 193 #endif /* __LINE__ */
 194
 195 #ifndef __FILE__
 196 #define __FILE__ "unknown"
 197 #endif /* __FILE__ */
 198
 199 #ifndef FOPEN_WB
 200 #ifdef GO32
 201 #include "fopen-bin.h"
 202 #else
 203 #include "fopen-same.h"
 204 #endif
 205 #endif
 206
 207 #ifndef EXIT_SUCCESS
 208 #define EXIT_SUCCESS 0
 209 #define EXIT_FAILURE 1
 210 #endif
 211
 212 #ifndef SEEK_SET
 213 #define SEEK_SET 0
 214 #endif
 215
 216 #define obstack_chunk_alloc xmalloc
 217 #define obstack_chunk_free xfree
 218
 219 #define xfree free
 220
 221 #include "asintl.h"
 222
 223 #define BAD_CASE(val)                                                       \
 224   {                                                                         \
 225     as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"),   \
 226               (long) val, __LINE__, __FILE__);                              \
 227   }
 228 \f
 229 #include "flonum.h"
 230
 231 /* These are assembler-wide concepts */
 232
 233 #ifdef BFD_ASSEMBLER
 234 extern bfd *stdoutput;
 235 typedef bfd_vma addressT;
 236 typedef bfd_signed_vma offsetT;
 237 #else
 238 typedef unsigned long addressT;
 239 typedef long offsetT;
 240 #endif
 241
 242 /* Type of symbol value, etc.  For use in prototypes.  */
 243 typedef addressT valueT;
 244
 245 #ifndef COMMON
 246 #ifdef TEST
 247 #define COMMON                  /* declare our COMMONs storage here.  */
 248 #else
 249 #define COMMON extern           /* our commons live elswhere */
 250 #endif
 251 #endif
 252 /* COMMON now defined */
 253
 254 #ifdef DEBUG
 255 #ifndef know
 256 #define know(p) assert(p)       /* Verify our assumptions! */
 257 #endif /* not yet defined */
 258 #else
 259 #define know(p)                 /* know() checks are no-op.ed */
 260 #endif
 261 \f
 262 /* input_scrub.c */
 263
 264 /* Supplies sanitised buffers to read.c.
 265    Also understands printing line-number part of error messages.  */
 266 \f
 267 /* subsegs.c     Sub-segments. Also, segment(=expression type)s.*/
 268
 269 #ifndef BFD_ASSEMBLER
 270
 271 #ifdef MANY_SEGMENTS
 272 #include "bfd.h"
 273 #define N_SEGMENTS 40
 274 #define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E39)
 275 #define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9,\
 276                  SEG_E10,SEG_E11,SEG_E12,SEG_E13,SEG_E14,SEG_E15,SEG_E16,SEG_E17,SEG_E18,SEG_E19,\
 277                  SEG_E20,SEG_E21,SEG_E22,SEG_E23,SEG_E24,SEG_E25,SEG_E26,SEG_E27,SEG_E28,SEG_E29,\
 278                  SEG_E30,SEG_E31,SEG_E32,SEG_E33,SEG_E34,SEG_E35,SEG_E36,SEG_E37,SEG_E38,SEG_E39
 279 #define SEG_TEXT SEG_E0
 280 #define SEG_DATA SEG_E1
 281 #define SEG_BSS SEG_E2
 282 #define SEG_LAST SEG_E39
 283 #else
 284 #define N_SEGMENTS 3
 285 #define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS)
 286 #define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS
 287 #endif
 288
 289 typedef enum _segT {
 290   SEG_ABSOLUTE = 0,
 291   SEG_LIST,
 292   SEG_UNKNOWN,
 293   SEG_GOOF,                     /* Only happens if AS has a logic error.  */
 294   /* Invented so we don't crash printing */
 295   /* error message involving weird segment.  */
 296   SEG_EXPR,                     /* Intermediate expression values.  */
 297   SEG_DEBUG,                    /* Debug segment */
 298   SEG_NTV,                      /* Transfert vector preload segment */
 299   SEG_PTV,                      /* Transfert vector postload segment */
 300   SEG_REGISTER                  /* Mythical: a register-valued expression */
 301 } segT;
 302
 303 #define SEG_MAXIMUM_ORDINAL (SEG_REGISTER)
 304 #else
 305 typedef asection *segT;
 306 #define SEG_NORMAL(SEG)         ((SEG) != absolute_section      \
 307                                  && (SEG) != undefined_section  \
 308                                  && (SEG) != reg_section        \
 309                                  && (SEG) != expr_section)
 310 #endif
 311 typedef int subsegT;
 312
 313 /* What subseg we are accreting now? */
 314 COMMON subsegT now_subseg;
 315
 316 /* Segment our instructions emit to.  */
 317 COMMON segT now_seg;
 318
 319 #ifdef BFD_ASSEMBLER
 320 #define segment_name(SEG)       bfd_get_section_name (stdoutput, SEG)
 321 #else
 322 extern char const *const seg_name[];
 323 #define segment_name(SEG)       seg_name[(int) (SEG)]
 324 #endif
 325
 326 #ifndef BFD_ASSEMBLER
 327 extern int section_alignment[];
 328 #endif
 329
 330 #ifdef BFD_ASSEMBLER
 331 extern segT reg_section, expr_section;
 332 /* Shouldn't these be eliminated someday?  */
 333 extern segT text_section, data_section, bss_section;
 334 #define absolute_section        bfd_abs_section_ptr
 335 #define undefined_section       bfd_und_section_ptr
 336 #else
 337 #define reg_section             SEG_REGISTER
 338 #define expr_section            SEG_EXPR
 339 #define text_section            SEG_TEXT
 340 #define data_section            SEG_DATA
 341 #define bss_section             SEG_BSS
 342 #define absolute_section        SEG_ABSOLUTE
 343 #define undefined_section       SEG_UNKNOWN
 344 #endif
 345
 346 /* relax() */
 347
 348 enum _relax_state {
 349   /* Variable chars to be repeated fr_offset times.
 350      Fr_symbol unused. Used with fr_offset == 0 for a
 351      constant length frag.  */
 352   rs_fill = 1,
 353
 354   /* Align.  The fr_offset field holds the power of 2 to which to
 355      align.  The fr_var field holds the number of characters in the
 356      fill pattern.  The fr_subtype field holds the maximum number of
 357      bytes to skip when aligning, or 0 if there is no maximum.  */
 358   rs_align,
 359
 360   /* Align code.  The fr_offset field holds the power of 2 to which
 361      to align.  This type is only generated by machine specific
 362      code, which is normally responsible for handling the fill
 363      pattern.  The fr_subtype field holds the maximum number of
 364      bytes to skip when aligning, or 0 if there is no maximum.  */
 365   rs_align_code,
 366
 367   /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
 368      character.  */
 369   rs_org,
 370
 371 #ifndef WORKING_DOT_WORD
 372   /* JF: gunpoint */
 373   rs_broken_word,
 374 #endif
 375
 376   /* machine-specific relaxable (or similarly alterable) instruction */
 377   rs_machine_dependent,
 378
 379   /* .space directive with expression operand that needs to be computed
 380      later.  Similar to rs_org, but different.
 381      fr_symbol: operand
 382      1 variable char: fill character  */
 383   rs_space,
 384
 385   /* A DWARF leb128 value; only ELF uses this.  The subtype is 0 for
 386      unsigned, 1 for signed.  */
 387   rs_leb128,
 388
 389   /* Exception frame information which we may be able to optimize.  */
 390   rs_cfa,
 391
 392   /* Cross-fragment dwarf2 line number optimization.  */
 393   rs_dwarf2dbg
 394 };
 395
 396 typedef enum _relax_state relax_stateT;
 397
 398 /* This type is used in prototypes, so it can't be a type that will be
 399    widened for argument passing.  */
 400 typedef unsigned int relax_substateT;
 401
 402 /* Enough bits for address, but still an integer type.
 403    Could be a problem, cross-assembling for 64-bit machines.  */
 404 typedef addressT relax_addressT;
 405 \f
 406 /* main program "as.c" (command arguments etc) */
 407
 408 COMMON unsigned char flag_no_comments; /* -f */
 409 COMMON unsigned char flag_debug; /* -D */
 410 COMMON unsigned char flag_signed_overflow_ok; /* -J */
 411 #ifndef WORKING_DOT_WORD
 412 COMMON unsigned char flag_warn_displacement; /* -K */
 413 #endif
 414
 415 /* True if local symbols should be retained.  */
 416 COMMON int flag_keep_locals; /* -L */
 417
 418 /* True if we are assembling in MRI mode.  */
 419 COMMON int flag_mri;
 420
 421 /* Should the data section be made read-only and appended to the text
 422    section?  */
 423 COMMON unsigned char flag_readonly_data_in_text; /* -R */
 424
 425 /* True if warnings should be inhibited.  */
 426 COMMON int flag_no_warnings; /* -W */
 427
 428 /* True if warnings count as errors.  */
 429 COMMON int flag_fatal_warnings; /* --fatal-warnings */
 430
 431 /* True if we should attempt to generate output even if non-fatal errors
 432    are detected.  */
 433 COMMON unsigned char flag_always_generate_output; /* -Z */
 434
 435 /* This is true if the assembler should output time and space usage.  */
 436 COMMON unsigned char flag_print_statistics;
 437
 438 /* True if local absolute symbols are to be stripped.  */
 439 COMMON int flag_strip_local_absolute;
 440
 441 /* True if we should generate a traditional format object file.  */
 442 COMMON int flag_traditional_format;
 443
 444 /* name of emitted object file */
 445 COMMON char *out_file_name;
 446
 447 /* name of file defining extensions to the basic instruction set */
 448 COMMON char *insttbl_file_name;
 449
 450 /* TRUE if we need a second pass.  */
 451 COMMON int need_pass_2;
 452
 453 /* TRUE if we should do no relaxing, and
 454    leave lots of padding.  */
 455 COMMON int linkrelax;
 456
 457 /* TRUE if we should produce a listing.  */
 458 extern int listing;
 459
 460 /* Type of debugging information we should generate.  We currently support
 461    stabs, ECOFF, and DWARF2.
 462
 463    NOTE!  This means debug information about the assembly source code itself
 464    and _not_ about possible debug information from a high-level language.
 465    This is especially relevant to DWARF2, since the compiler may emit line
 466    number directives that the assembler resolves.  */
 467
 468 enum debug_info_type {
 469   DEBUG_UNSPECIFIED,
 470   DEBUG_NONE,
 471   DEBUG_STABS,
 472   DEBUG_ECOFF,
 473   DEBUG_DWARF,
 474   DEBUG_DWARF2
 475 };
 476
 477 extern enum debug_info_type debug_type;
 478 \f
 479 /* Maximum level of macro nesting.  */
 480 extern int max_macro_nest;
 481
 482 /* Obstack chunk size.  Keep large for efficient space use, make small to
 483    increase malloc calls for monitoring memory allocation.  */
 484 extern int chunksize;
 485
 486 struct _pseudo_type {
 487   /* assembler mnemonic, lower case, no '.' */
 488   const char *poc_name;
 489   /* Do the work */
 490   void (*poc_handler) PARAMS ((int));
 491   /* Value to pass to handler */
 492   int poc_val;
 493 };
 494
 495 typedef struct _pseudo_type pseudo_typeS;
 496
 497 /* Prefer varargs for non-ANSI compiler, since some will barf if the
 498    ellipsis definition is used with a no-arguments declaration.  */
 499 #if defined (HAVE_VARARGS_H) && !defined (__STDC__)
 500 #undef HAVE_STDARG_H
 501 #endif
 502
 503 #if defined (HAVE_STDARG_H)
 504 #define USE_STDARG
 505 #endif
 506 #if !defined (USE_STDARG) && defined (HAVE_VARARGS_H)
 507 #define USE_VARARGS
 508 #endif
 509
 510 #ifdef USE_STDARG
 511 #if (__GNUC__ >= 2) && !defined(VMS)
 512 /* for use with -Wformat */
 513
 514 #if __GNUC__ == 2 && __GNUC_MINOR__ < 6
 515 /* Support for double underscores in attribute names was added in gcc
 516    2.6, so avoid them if we are using an earlier version.  */
 517 #define __printf__ printf
 518 #define __format__ format
 519 #endif
 520
 521 #define PRINTF_LIKE(FCN) \
 522   void FCN (const char *format, ...) \
 523     __attribute__ ((__format__ (__printf__, 1, 2)))
 524 #define PRINTF_WHERE_LIKE(FCN) \
 525   void FCN (char *file, unsigned int line, const char *format, ...) \
 526     __attribute__ ((__format__ (__printf__, 3, 4)))
 527
 528 #else /* __GNUC__ < 2 || defined(VMS) */
 529
 530 #define PRINTF_LIKE(FCN)        void FCN PARAMS ((const char *format, ...))
 531 #define PRINTF_WHERE_LIKE(FCN)  void FCN PARAMS ((char *file, \
 532                                                   unsigned int line, \
 533                                                   const char *format, ...))
 534
 535 #endif /* __GNUC__ < 2 || defined(VMS) */
 536
 537 #else /* ! USE_STDARG */
 538
 539 #define PRINTF_LIKE(FCN)        void FCN ()
 540 #define PRINTF_WHERE_LIKE(FCN)  void FCN ()
 541
 542 #endif /* ! USE_STDARG */
 543
 544 PRINTF_LIKE (as_bad);
 545 PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
 546 PRINTF_LIKE (as_tsktsk);
 547 PRINTF_LIKE (as_warn);
 548 PRINTF_WHERE_LIKE (as_bad_where);
 549 PRINTF_WHERE_LIKE (as_warn_where);
 550
 551 void as_assert PARAMS ((const char *, int, const char *));
 552 void as_abort PARAMS ((const char *, int, const char *)) ATTRIBUTE_NORETURN;
 553
 554 void fprint_value PARAMS ((FILE *file, addressT value));
 555 void sprint_value PARAMS ((char *buf, addressT value));
 556
 557 int had_errors PARAMS ((void));
 558 int had_warnings PARAMS ((void));
 559
 560 void print_version_id PARAMS ((void));
 561 char *app_push PARAMS ((void));
 562 char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words));
 563 char *input_scrub_include_file PARAMS ((char *filename, char *position));
 564 extern void input_scrub_insert_line PARAMS((const char *line));
 565 extern void input_scrub_insert_file PARAMS((char *path));
 566 char *input_scrub_new_file PARAMS ((char *filename));
 567 char *input_scrub_next_buffer PARAMS ((char **bufp));
 568 int do_scrub_chars PARAMS ((int (*get) (char *, int), char *to, int tolen));
 569 int gen_to_words PARAMS ((LITTLENUM_TYPE * words, int precision,
 570                           long exponent_bits));
 571 int had_err PARAMS ((void));
 572 int ignore_input PARAMS ((void));
 573 void cond_finish_check PARAMS ((int));
 574 void cond_exit_macro PARAMS ((int));
 575 int seen_at_least_1_file PARAMS ((void));
 576 void app_pop PARAMS ((char *arg));
 577 void as_howmuch PARAMS ((FILE * stream));
 578 void as_perror PARAMS ((const char *gripe, const char *filename));
 579 void as_where PARAMS ((char **namep, unsigned int *linep));
 580 void bump_line_counters PARAMS ((void));
 581 void do_scrub_begin PARAMS ((int));
 582 void input_scrub_begin PARAMS ((void));
 583 void input_scrub_close PARAMS ((void));
 584 void input_scrub_end PARAMS ((void));
 585 int new_logical_line PARAMS ((char *fname, int line_number));
 586 void subsegs_begin PARAMS ((void));
 587 void subseg_change PARAMS ((segT seg, int subseg));
 588 segT subseg_new PARAMS ((const char *name, subsegT subseg));
 589 segT subseg_force_new PARAMS ((const char *name, subsegT subseg));
 590 void subseg_set PARAMS ((segT seg, subsegT subseg));
 591 #ifdef BFD_ASSEMBLER
 592 segT subseg_get PARAMS ((const char *, int));
 593 #endif
 594 int subseg_text_p PARAMS ((segT));
 595
 596 void start_dependencies PARAMS ((char *));
 597 void register_dependency PARAMS ((char *));
 598 void print_dependencies PARAMS ((void));
 599
 600 struct expressionS;
 601 struct fix;
 602 typedef struct symbol symbolS;
 603 struct relax_type;
 604 typedef struct frag fragS;
 605
 606 #ifdef BFD_ASSEMBLER
 607 /* literal.c */
 608 valueT add_to_literal_pool PARAMS ((symbolS *, valueT, segT, int));
 609 #endif
 610
 611 int check_eh_frame PARAMS ((struct expressionS *, unsigned int *));
 612 int eh_frame_estimate_size_before_relax PARAMS ((fragS *));
 613 int eh_frame_relax_frag PARAMS ((fragS *));
 614 void eh_frame_convert_frag PARAMS ((fragS *));
 615
 616 #include "expr.h"               /* Before targ-*.h */
 617
 618 /* this one starts the chain of target dependant headers */
 619 #include "targ-env.h"
 620
 621 #include "write.h"
 622 #include "frags.h"
 623 #include "hash.h"
 624 #include "read.h"
 625 #include "symbols.h"
 626
 627 #include "tc.h"
 628 #include "obj.h"
 629
 630 #ifdef USE_EMULATIONS
 631 #include "emul.h"
 632 #endif
 633 #include "listing.h"
 634
 635 #ifdef TC_M68K
 636 /* True if we are assembling in m68k MRI mode.  */
 637 COMMON int flag_m68k_mri;
 638 #else
 639 #define flag_m68k_mri 0
 640 #endif
 641
 642 #ifdef WARN_COMMENTS
 643 COMMON int warn_comment;
 644 COMMON unsigned int found_comment;
 645 COMMON char *found_comment_file;
 646 #endif
 647
 648 #ifndef NUMBERS_WITH_SUFFIX
 649 #define NUMBERS_WITH_SUFFIX 0
 650 #endif
 651
 652 #ifndef LOCAL_LABELS_DOLLAR
 653 #define LOCAL_LABELS_DOLLAR 0
 654 #endif
 655
 656 #ifndef LOCAL_LABELS_FB
 657 #define LOCAL_LABELS_FB 0
 658 #endif
 659
 660 #ifndef LABELS_WITHOUT_COLONS
 661 #define LABELS_WITHOUT_COLONS 0
 662 #endif
 663
 664 #ifndef NO_PSEUDO_DOT
 665 #define NO_PSEUDO_DOT 0
 666 #endif
 667
 668 #ifndef TEXT_SECTION_NAME
 669 #define TEXT_SECTION_NAME       ".text"
 670 #define DATA_SECTION_NAME       ".data"
 671 #define BSS_SECTION_NAME        ".bss"
 672 #endif
 673
 674 #ifndef OCTETS_PER_BYTE_POWER
 675 #define OCTETS_PER_BYTE_POWER 0
 676 #endif
 677 #ifndef OCTETS_PER_BYTE
 678 #define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
 679 #endif
 680 #if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
 681  #error "Octets per byte conflicts with its power-of-two definition!"
 682 #endif
 683
 684 #endif /* GAS */