gas/as.h

   1 /* as.h - global header file
   2    Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   3    1999, 2000, 2001
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GAS, the GNU Assembler.
   7
   8    GAS is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2, or (at your option)
  11    any later version.
  12
  13    GAS is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GAS; see the file COPYING.  If not, write to the Free
  20    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  21    02111-1307, USA.  */
  22
  23 #ifndef GAS
  24 #define GAS 1
  25 /* I think this stuff is largely out of date.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 #include "bin-bugs.h"
  42
  43 /* This is the code recommended in the autoconf documentation, almost
  44    verbatim.  If it doesn't work for you, let me know, and notify
  45    djm@gnu.ai.mit.edu as well.  */
  46 /* Added void* version for STDC case.  This is to be compatible with
  47    the declaration in bison.simple, used for m68k operand parsing.
  48    --KR 1995.08.08 */
  49 /* Force void* decl for hpux.  This is what Bison uses.  --KR 1995.08.16 */
  50
  51 #ifndef __GNUC__
  52 # if HAVE_ALLOCA_H
  53 #  include <alloca.h>
  54 # else
  55 #  ifdef _AIX
  56 /* Indented so that pre-ansi C compilers will ignore it, rather than
  57    choke on it.  Some versions of AIX require this to be the first
  58    thing in the file.  */
  59  #pragma alloca
  60 #  else
  61 #   ifndef alloca /* predefined by HP cc +Olibcalls */
  62 #    if !defined (__STDC__) && !defined (__hpux)
  63 extern char *alloca ();
  64 #    else
  65 extern void *alloca ();
  66 #    endif /* __STDC__, __hpux */
  67 #   endif /* alloca */
  68 #  endif /* _AIX */
  69 # endif /* HAVE_ALLOCA_H */
  70 #endif /* __GNUC__ */
  71
  72 /* Now, tend to the rest of the configuration.  */
  73
  74 /* System include files first...  */
  75 #include <stdio.h>
  76 #include <ctype.h>
  77 #ifdef HAVE_STRING_H
  78 #include <string.h>
  79 #else
  80 #ifdef HAVE_STRINGS_H
  81 #include <strings.h>
  82 #endif
  83 #endif
  84 #ifdef HAVE_STDLIB_H
  85 #include <stdlib.h>
  86 #endif
  87 #ifdef HAVE_UNISTD_H
  88 #include <unistd.h>
  89 #endif
  90 #ifdef HAVE_SYS_TYPES_H
  91 /* for size_t, pid_t */
  92 #include <sys/types.h>
  93 #endif
  94
  95 #include <getopt.h>
  96 /* The first getopt value for machine-independent long options.
  97    150 isn't special; it's just an arbitrary non-ASCII char value.  */
  98 #define OPTION_STD_BASE 150
  99 /* The first getopt value for machine-dependent long options.
 100    190 gives the standard options room to grow.  */
 101 #define OPTION_MD_BASE 190
 102
 103 #ifdef DEBUG
 104 #undef NDEBUG
 105 #endif
 106 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
 107 #define __PRETTY_FUNCTION__  ((char*)0)
 108 #endif
 109 #if 0
 110
 111 /* Handle lossage with assert.h.  */
 112 #ifndef BROKEN_ASSERT
 113 #include <assert.h>
 114 #else /* BROKEN_ASSERT */
 115 #ifndef NDEBUG
 116 #define assert(p) ((p) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))
 117 #else
 118 #define assert(p) ((p), 0)
 119 #endif
 120 #endif /* BROKEN_ASSERT */
 121
 122 #else
 123
 124 #define assert(P) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))
 125 #undef abort
 126 #define abort()         as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
 127
 128 #endif
 129
 130 /* Now GNU header files...  */
 131 #include "ansidecl.h"
 132 #ifdef BFD_ASSEMBLER
 133 #include "bfd.h"
 134 #endif
 135 #include "libiberty.h"
 136
 137 /* Define the standard progress macros.  */
 138 #include "progress.h"
 139
 140 /* This doesn't get taken care of anywhere.  */
 141 #ifndef __MWERKS__  /* Metrowerks C chokes on the "defined (inline)" */
 142 #if !defined (__GNUC__) && !defined (inline)
 143 #define inline
 144 #endif
 145 #endif /* !__MWERKS__ */
 146
 147 /* Other stuff from config.h.  */
 148 #ifdef NEED_DECLARATION_STRSTR
 149 extern char *strstr ();
 150 #endif
 151 #ifdef NEED_DECLARATION_MALLOC
 152 extern PTR malloc ();
 153 extern PTR realloc ();
 154 #endif
 155 #ifdef NEED_DECLARATION_FREE
 156 extern void free ();
 157 #endif
 158 #ifdef NEED_DECLARATION_ERRNO
 159 extern int errno;
 160 #endif
 161 #ifdef NEED_DECLARATION_ENVIRON
 162 extern char **environ;
 163 #endif
 164
 165 /* This is needed for VMS.  */
 166 #if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
 167 #define unlink remove
 168 #endif
 169
 170 /* Hack to make "gcc -Wall" not complain about obstack macros.  */
 171 #if !defined (memcpy) && !defined (bcopy)
 172 #define bcopy(src,dest,size)    memcpy(dest,src,size)
 173 #endif
 174
 175 /* Make Saber happier on obstack.h.  */
 176 #ifdef SABER
 177 #undef  __PTR_TO_INT
 178 #define __PTR_TO_INT(P) ((int) (P))
 179 #undef  __INT_TO_PTR
 180 #define __INT_TO_PTR(P) ((char *) (P))
 181 #endif
 182
 183 #ifndef __LINE__
 184 #define __LINE__ "unknown"
 185 #endif /* __LINE__ */
 186
 187 #ifndef __FILE__
 188 #define __FILE__ "unknown"
 189 #endif /* __FILE__ */
 190
 191 #ifndef FOPEN_WB
 192 #ifdef GO32
 193 #include "fopen-bin.h"
 194 #else
 195 #include "fopen-same.h"
 196 #endif
 197 #endif
 198
 199 #ifndef EXIT_SUCCESS
 200 #define EXIT_SUCCESS 0
 201 #define EXIT_FAILURE 1
 202 #endif
 203
 204 #ifndef SEEK_SET
 205 #define SEEK_SET 0
 206 #endif
 207
 208 #define obstack_chunk_alloc xmalloc
 209 #define obstack_chunk_free xfree
 210
 211 #define xfree free
 212
 213 #include "asintl.h"
 214
 215 #define BAD_CASE(val)                                                       \
 216   {                                                                         \
 217     as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"),   \
 218               (long) val, __LINE__, __FILE__);                              \
 219   }
 220 \f
 221 #include "flonum.h"
 222
 223 /* These are assembler-wide concepts */
 224
 225 #ifdef BFD_ASSEMBLER
 226 extern bfd *stdoutput;
 227 typedef bfd_vma addressT;
 228 typedef bfd_signed_vma offsetT;
 229 #else
 230 typedef unsigned long addressT;
 231 typedef long offsetT;
 232 #endif
 233
 234 /* Type of symbol value, etc.  For use in prototypes.  */
 235 typedef addressT valueT;
 236
 237 #ifndef COMMON
 238 #ifdef TEST
 239 #define COMMON                  /* declare our COMMONs storage here.  */
 240 #else
 241 #define COMMON extern           /* our commons live elswhere */
 242 #endif
 243 #endif
 244 /* COMMON now defined */
 245
 246 #ifdef DEBUG
 247 #ifndef know
 248 #define know(p) assert(p)       /* Verify our assumptions! */
 249 #endif /* not yet defined */
 250 #else
 251 #define know(p)                 /* know() checks are no-op.ed */
 252 #endif
 253 \f
 254 /* input_scrub.c */
 255
 256 /* Supplies sanitised buffers to read.c.
 257    Also understands printing line-number part of error messages.  */
 258 \f
 259 /* subsegs.c     Sub-segments. Also, segment(=expression type)s.*/
 260
 261 #ifndef BFD_ASSEMBLER
 262
 263 #ifdef MANY_SEGMENTS
 264 #include "bfd.h"
 265 #define N_SEGMENTS 40
 266 #define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E39)
 267 #define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9,\
 268                  SEG_E10,SEG_E11,SEG_E12,SEG_E13,SEG_E14,SEG_E15,SEG_E16,SEG_E17,SEG_E18,SEG_E19,\
 269                  SEG_E20,SEG_E21,SEG_E22,SEG_E23,SEG_E24,SEG_E25,SEG_E26,SEG_E27,SEG_E28,SEG_E29,\
 270                  SEG_E30,SEG_E31,SEG_E32,SEG_E33,SEG_E34,SEG_E35,SEG_E36,SEG_E37,SEG_E38,SEG_E39
 271 #define SEG_TEXT SEG_E0
 272 #define SEG_DATA SEG_E1
 273 #define SEG_BSS SEG_E2
 274 #define SEG_LAST SEG_E39
 275 #else
 276 #define N_SEGMENTS 3
 277 #define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS)
 278 #define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS
 279 #endif
 280
 281 typedef enum _segT {
 282   SEG_ABSOLUTE = 0,
 283   SEG_LIST,
 284   SEG_UNKNOWN,
 285   SEG_GOOF,                     /* Only happens if AS has a logic error.  */
 286   /* Invented so we don't crash printing */
 287   /* error message involving weird segment.  */
 288   SEG_EXPR,                     /* Intermediate expression values.  */
 289   SEG_DEBUG,                    /* Debug segment */
 290   SEG_NTV,                      /* Transfert vector preload segment */
 291   SEG_PTV,                      /* Transfert vector postload segment */
 292   SEG_REGISTER                  /* Mythical: a register-valued expression */
 293 } segT;
 294
 295 #define SEG_MAXIMUM_ORDINAL (SEG_REGISTER)
 296 #else
 297 typedef asection *segT;
 298 #define SEG_NORMAL(SEG)         ((SEG) != absolute_section      \
 299                                  && (SEG) != undefined_section  \
 300                                  && (SEG) != reg_section        \
 301                                  && (SEG) != expr_section)
 302 #endif
 303 typedef int subsegT;
 304
 305 /* What subseg we are accreting now? */
 306 COMMON subsegT now_subseg;
 307
 308 /* Segment our instructions emit to.  */
 309 COMMON segT now_seg;
 310
 311 #ifdef BFD_ASSEMBLER
 312 #define segment_name(SEG)       bfd_get_section_name (stdoutput, SEG)
 313 #else
 314 extern char const *const seg_name[];
 315 #define segment_name(SEG)       seg_name[(int) (SEG)]
 316 #endif
 317
 318 #ifndef BFD_ASSEMBLER
 319 extern int section_alignment[];
 320 #endif
 321
 322 #ifdef BFD_ASSEMBLER
 323 extern segT reg_section, expr_section;
 324 /* Shouldn't these be eliminated someday?  */
 325 extern segT text_section, data_section, bss_section;
 326 #define absolute_section        bfd_abs_section_ptr
 327 #define undefined_section       bfd_und_section_ptr
 328 #else
 329 #define reg_section             SEG_REGISTER
 330 #define expr_section            SEG_EXPR
 331 #define text_section            SEG_TEXT
 332 #define data_section            SEG_DATA
 333 #define bss_section             SEG_BSS
 334 #define absolute_section        SEG_ABSOLUTE
 335 #define undefined_section       SEG_UNKNOWN
 336 #endif
 337
 338 /* relax() */
 339
 340 enum _relax_state {
 341   /* Variable chars to be repeated fr_offset times.
 342      Fr_symbol unused. Used with fr_offset == 0 for a
 343      constant length frag.  */
 344   rs_fill = 1,
 345
 346   /* Align.  The fr_offset field holds the power of 2 to which to
 347      align.  The fr_var field holds the number of characters in the
 348      fill pattern.  The fr_subtype field holds the maximum number of
 349      bytes to skip when aligning, or 0 if there is no maximum.  */
 350   rs_align,
 351
 352   /* Align code.  The fr_offset field holds the power of 2 to which
 353      to align.  This type is only generated by machine specific
 354      code, which is normally responsible for handling the fill
 355      pattern.  The fr_subtype field holds the maximum number of
 356      bytes to skip when aligning, or 0 if there is no maximum.  */
 357   rs_align_code,
 358
 359   /* Test for alignment.  Like rs_align, but used by several targets
 360      to warn if data is not properly aligned.  */
 361   rs_align_test,
 362
 363   /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
 364      character.  */
 365   rs_org,
 366
 367 #ifndef WORKING_DOT_WORD
 368   /* JF: gunpoint */
 369   rs_broken_word,
 370 #endif
 371
 372   /* machine-specific relaxable (or similarly alterable) instruction */
 373   rs_machine_dependent,
 374
 375   /* .space directive with expression operand that needs to be computed
 376      later.  Similar to rs_org, but different.
 377      fr_symbol: operand
 378      1 variable char: fill character  */
 379   rs_space,
 380
 381   /* A DWARF leb128 value; only ELF uses this.  The subtype is 0 for
 382      unsigned, 1 for signed.  */
 383   rs_leb128,
 384
 385   /* Exception frame information which we may be able to optimize.  */
 386   rs_cfa,
 387
 388   /* Cross-fragment dwarf2 line number optimization.  */
 389   rs_dwarf2dbg
 390 };
 391
 392 typedef enum _relax_state relax_stateT;
 393
 394 /* This type is used in prototypes, so it can't be a type that will be
 395    widened for argument passing.  */
 396 typedef unsigned int relax_substateT;
 397
 398 /* Enough bits for address, but still an integer type.
 399    Could be a problem, cross-assembling for 64-bit machines.  */
 400 typedef addressT relax_addressT;
 401 \f
 402 /* main program "as.c" (command arguments etc) */
 403
 404 COMMON unsigned char flag_no_comments; /* -f */
 405 COMMON unsigned char flag_debug; /* -D */
 406 COMMON unsigned char flag_signed_overflow_ok; /* -J */
 407 #ifndef WORKING_DOT_WORD
 408 COMMON unsigned char flag_warn_displacement; /* -K */
 409 #endif
 410
 411 /* True if local symbols should be retained.  */
 412 COMMON int flag_keep_locals; /* -L */
 413
 414 /* True if we are assembling in MRI mode.  */
 415 COMMON int flag_mri;
 416
 417 /* Should the data section be made read-only and appended to the text
 418    section?  */
 419 COMMON unsigned char flag_readonly_data_in_text; /* -R */
 420
 421 /* True if warnings should be inhibited.  */
 422 COMMON int flag_no_warnings; /* -W */
 423
 424 /* True if warnings count as errors.  */
 425 COMMON int flag_fatal_warnings; /* --fatal-warnings */
 426
 427 /* True if we should attempt to generate output even if non-fatal errors
 428    are detected.  */
 429 COMMON unsigned char flag_always_generate_output; /* -Z */
 430
 431 /* This is true if the assembler should output time and space usage.  */
 432 COMMON unsigned char flag_print_statistics;
 433
 434 /* True if local absolute symbols are to be stripped.  */
 435 COMMON int flag_strip_local_absolute;
 436
 437 /* True if we should generate a traditional format object file.  */
 438 COMMON int flag_traditional_format;
 439
 440 /* name of emitted object file */
 441 COMMON char *out_file_name;
 442
 443 /* name of file defining extensions to the basic instruction set */
 444 COMMON char *insttbl_file_name;
 445
 446 /* TRUE if we need a second pass.  */
 447 COMMON int need_pass_2;
 448
 449 /* TRUE if we should do no relaxing, and
 450    leave lots of padding.  */
 451 COMMON int linkrelax;
 452
 453 /* TRUE if we should produce a listing.  */
 454 extern int listing;
 455
 456 /* Type of debugging information we should generate.  We currently support
 457    stabs, ECOFF, and DWARF2.
 458
 459    NOTE!  This means debug information about the assembly source code itself
 460    and _not_ about possible debug information from a high-level language.
 461    This is especially relevant to DWARF2, since the compiler may emit line
 462    number directives that the assembler resolves.  */
 463
 464 enum debug_info_type {
 465   DEBUG_UNSPECIFIED,
 466   DEBUG_NONE,
 467   DEBUG_STABS,
 468   DEBUG_ECOFF,
 469   DEBUG_DWARF,
 470   DEBUG_DWARF2
 471 };
 472
 473 extern enum debug_info_type debug_type;
 474 \f
 475 /* Maximum level of macro nesting.  */
 476 extern int max_macro_nest;
 477
 478 /* Obstack chunk size.  Keep large for efficient space use, make small to
 479    increase malloc calls for monitoring memory allocation.  */
 480 extern int chunksize;
 481
 482 struct _pseudo_type {
 483   /* assembler mnemonic, lower case, no '.' */
 484   const char *poc_name;
 485   /* Do the work */
 486   void (*poc_handler) PARAMS ((int));
 487   /* Value to pass to handler */
 488   int poc_val;
 489 };
 490
 491 typedef struct _pseudo_type pseudo_typeS;
 492
 493 /* Prefer varargs for non-ANSI compiler, since some will barf if the
 494    ellipsis definition is used with a no-arguments declaration.  */
 495 #if defined (HAVE_VARARGS_H) && !defined (__STDC__)
 496 #undef HAVE_STDARG_H
 497 #endif
 498
 499 #if defined (HAVE_STDARG_H)
 500 #define USE_STDARG
 501 #endif
 502 #if !defined (USE_STDARG) && defined (HAVE_VARARGS_H)
 503 #define USE_VARARGS
 504 #endif
 505
 506 #ifdef USE_STDARG
 507 #if (__GNUC__ >= 2) && !defined(VMS)
 508 /* for use with -Wformat */
 509
 510 #if __GNUC__ == 2 && __GNUC_MINOR__ < 6
 511 /* Support for double underscores in attribute names was added in gcc
 512    2.6, so avoid them if we are using an earlier version.  */
 513 #define __printf__ printf
 514 #define __format__ format
 515 #endif
 516
 517 #define PRINTF_LIKE(FCN) \
 518   void FCN (const char *format, ...) \
 519     __attribute__ ((__format__ (__printf__, 1, 2)))
 520 #define PRINTF_WHERE_LIKE(FCN) \
 521   void FCN (char *file, unsigned int line, const char *format, ...) \
 522     __attribute__ ((__format__ (__printf__, 3, 4)))
 523
 524 #else /* __GNUC__ < 2 || defined(VMS) */
 525
 526 #define PRINTF_LIKE(FCN)        void FCN PARAMS ((const char *format, ...))
 527 #define PRINTF_WHERE_LIKE(FCN)  void FCN PARAMS ((char *file, \
 528                                                   unsigned int line, \
 529                                                   const char *format, ...))
 530
 531 #endif /* __GNUC__ < 2 || defined(VMS) */
 532
 533 #else /* ! USE_STDARG */
 534
 535 #define PRINTF_LIKE(FCN)        void FCN ()
 536 #define PRINTF_WHERE_LIKE(FCN)  void FCN ()
 537
 538 #endif /* ! USE_STDARG */
 539
 540 PRINTF_LIKE (as_bad);
 541 PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
 542 PRINTF_LIKE (as_tsktsk);
 543 PRINTF_LIKE (as_warn);
 544 PRINTF_WHERE_LIKE (as_bad_where);
 545 PRINTF_WHERE_LIKE (as_warn_where);
 546
 547 void as_assert PARAMS ((const char *, int, const char *));
 548 void as_abort PARAMS ((const char *, int, const char *)) ATTRIBUTE_NORETURN;
 549
 550 void fprint_value PARAMS ((FILE *file, addressT value));
 551 void sprint_value PARAMS ((char *buf, addressT value));
 552
 553 int had_errors PARAMS ((void));
 554 int had_warnings PARAMS ((void));
 555
 556 void print_version_id PARAMS ((void));
 557 char *app_push PARAMS ((void));
 558 char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words));
 559 char *input_scrub_include_file PARAMS ((char *filename, char *position));
 560 extern void input_scrub_insert_line PARAMS((const char *line));
 561 extern void input_scrub_insert_file PARAMS((char *path));
 562 char *input_scrub_new_file PARAMS ((char *filename));
 563 char *input_scrub_next_buffer PARAMS ((char **bufp));
 564 int do_scrub_chars PARAMS ((int (*get) (char *, int), char *to, int tolen));
 565 int gen_to_words PARAMS ((LITTLENUM_TYPE * words, int precision,
 566                           long exponent_bits));
 567 int had_err PARAMS ((void));
 568 int ignore_input PARAMS ((void));
 569 void cond_finish_check PARAMS ((int));
 570 void cond_exit_macro PARAMS ((int));
 571 int seen_at_least_1_file PARAMS ((void));
 572 void app_pop PARAMS ((char *arg));
 573 void as_howmuch PARAMS ((FILE * stream));
 574 void as_perror PARAMS ((const char *gripe, const char *filename));
 575 void as_where PARAMS ((char **namep, unsigned int *linep));
 576 void bump_line_counters PARAMS ((void));
 577 void do_scrub_begin PARAMS ((int));
 578 void input_scrub_begin PARAMS ((void));
 579 void input_scrub_close PARAMS ((void));
 580 void input_scrub_end PARAMS ((void));
 581 int new_logical_line PARAMS ((char *fname, int line_number));
 582 void subsegs_begin PARAMS ((void));
 583 void subseg_change PARAMS ((segT seg, int subseg));
 584 segT subseg_new PARAMS ((const char *name, subsegT subseg));
 585 segT subseg_force_new PARAMS ((const char *name, subsegT subseg));
 586 void subseg_set PARAMS ((segT seg, subsegT subseg));
 587 #ifdef BFD_ASSEMBLER
 588 segT subseg_get PARAMS ((const char *, int));
 589 #endif
 590 int subseg_text_p PARAMS ((segT));
 591
 592 void start_dependencies PARAMS ((char *));
 593 void register_dependency PARAMS ((char *));
 594 void print_dependencies PARAMS ((void));
 595
 596 struct expressionS;
 597 struct fix;
 598 typedef struct symbol symbolS;
 599 struct relax_type;
 600 typedef struct frag fragS;
 601
 602 #ifdef BFD_ASSEMBLER
 603 /* literal.c */
 604 valueT add_to_literal_pool PARAMS ((symbolS *, valueT, segT, int));
 605 #endif
 606
 607 int check_eh_frame PARAMS ((struct expressionS *, unsigned int *));
 608 int eh_frame_estimate_size_before_relax PARAMS ((fragS *));
 609 int eh_frame_relax_frag PARAMS ((fragS *));
 610 void eh_frame_convert_frag PARAMS ((fragS *));
 611
 612 #include "expr.h"               /* Before targ-*.h */
 613
 614 /* this one starts the chain of target dependant headers */
 615 #include "targ-env.h"
 616
 617 #ifdef TC_ARC
 618 #include "struc-symbol.h"
 619 #endif
 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 */