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, 2002, 2003
   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  25 /* I think this stuff is largely out of date.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 #ifdef HAVE_STRING_H
  77 #include <string.h>
  78 #else
  79 #ifdef HAVE_STRINGS_H
  80 #include <strings.h>
  81 #endif
  82 #endif
  83 #ifdef HAVE_STDLIB_H
  84 #include <stdlib.h>
  85 #endif
  86 #ifdef HAVE_UNISTD_H
  87 #include <unistd.h>
  88 #endif
  89 #ifdef HAVE_SYS_TYPES_H
  90 /* for size_t, pid_t */
  91 #include <sys/types.h>
  92 #endif
  93
  94 #include "getopt.h"
  95 /* The first getopt value for machine-independent long options.
  96    150 isn't special; it's just an arbitrary non-ASCII char value.  */
  97 #define OPTION_STD_BASE 150
  98 /* The first getopt value for machine-dependent long options.
  99    190 gives the standard options room to grow.  */
 100 #define OPTION_MD_BASE 190
 101
 102 #ifdef DEBUG
 103 #undef NDEBUG
 104 #endif
 105 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
 106 #define __PRETTY_FUNCTION__  ((char*)0)
 107 #endif
 108 #if 0
 109
 110 /* Handle lossage with assert.h.  */
 111 #ifndef BROKEN_ASSERT
 112 #include <assert.h>
 113 #else /* BROKEN_ASSERT */
 114 #ifndef NDEBUG
 115 #define assert(p) ((p) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))
 116 #else
 117 #define assert(p) ((p), 0)
 118 #endif
 119 #endif /* BROKEN_ASSERT */
 120
 121 #else
 122
 123 #define assert(P) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))
 124 #undef abort
 125 #define abort()         as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
 126
 127 #endif
 128
 129 /* Now GNU header files...  */
 130 #include "ansidecl.h"
 131 #ifdef BFD_ASSEMBLER
 132 #include "bfd.h"
 133 #endif
 134 #include "libiberty.h"
 135
 136 /* Define the standard progress macros.  */
 137 #include "progress.h"
 138
 139 /* This doesn't get taken care of anywhere.  */
 140 #ifndef __MWERKS__  /* Metrowerks C chokes on the "defined (inline)" */
 141 #if !defined (__GNUC__) && !defined (inline)
 142 #define inline
 143 #endif
 144 #endif /* !__MWERKS__ */
 145
 146 /* Other stuff from config.h.  */
 147 #ifdef NEED_DECLARATION_STRSTR
 148 extern char *strstr ();
 149 #endif
 150 #ifdef NEED_DECLARATION_MALLOC
 151 extern PTR malloc ();
 152 extern PTR realloc ();
 153 #endif
 154 #ifdef NEED_DECLARATION_FREE
 155 extern void free ();
 156 #endif
 157 #ifdef NEED_DECLARATION_ERRNO
 158 extern int errno;
 159 #endif
 160 #ifdef NEED_DECLARATION_ENVIRON
 161 extern char **environ;
 162 #endif
 163
 164 /* This is needed for VMS.  */
 165 #if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
 166 #define unlink remove
 167 #endif
 168
 169 /* Hack to make "gcc -Wall" not complain about obstack macros.  */
 170 #if !defined (memcpy) && !defined (bcopy)
 171 #define bcopy(src,dest,size)    memcpy (dest, src, size)
 172 #endif
 173
 174 /* Make Saber happier on obstack.h.  */
 175 #ifdef SABER
 176 #undef  __PTR_TO_INT
 177 #define __PTR_TO_INT(P) ((int) (P))
 178 #undef  __INT_TO_PTR
 179 #define __INT_TO_PTR(P) ((char *) (P))
 180 #endif
 181
 182 #ifndef __LINE__
 183 #define __LINE__ "unknown"
 184 #endif /* __LINE__ */
 185
 186 #ifndef __FILE__
 187 #define __FILE__ "unknown"
 188 #endif /* __FILE__ */
 189
 190 #ifndef FOPEN_WB
 191 #if defined GO32 || defined __MINGW32__
 192 #include "fopen-bin.h"
 193 #else
 194 #include "fopen-same.h"
 195 #endif
 196 #endif
 197
 198 #ifndef EXIT_SUCCESS
 199 #define EXIT_SUCCESS 0
 200 #define EXIT_FAILURE 1
 201 #endif
 202
 203 #ifndef SEEK_SET
 204 #define SEEK_SET 0
 205 #endif
 206
 207 #define obstack_chunk_alloc xmalloc
 208 #define obstack_chunk_free xfree
 209
 210 #define xfree free
 211
 212 #include "asintl.h"
 213
 214 #define BAD_CASE(val)                                                       \
 215   {                                                                         \
 216     as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"),   \
 217               (long) val, __LINE__, __FILE__);                              \
 218   }
 219 \f
 220 #include "flonum.h"
 221
 222 /* These are assembler-wide concepts */
 223
 224 #ifdef BFD_ASSEMBLER
 225 extern bfd *stdoutput;
 226 typedef bfd_vma addressT;
 227 typedef bfd_signed_vma offsetT;
 228 #else
 229 typedef unsigned long addressT;
 230 typedef long offsetT;
 231 #endif
 232
 233 /* Type of symbol value, etc.  For use in prototypes.  */
 234 typedef addressT valueT;
 235
 236 #ifndef COMMON
 237 #ifdef TEST
 238 #define COMMON                  /* declare our COMMONs storage here.  */
 239 #else
 240 #define COMMON extern           /* our commons live elsewhere */
 241 #endif
 242 #endif
 243 /* COMMON now defined */
 244
 245 #ifdef DEBUG
 246 #ifndef know
 247 #define know(p) assert(p)       /* Verify our assumptions! */
 248 #endif /* not yet defined */
 249 #else
 250 #define know(p)                 /* know() checks are no-op.ed */
 251 #endif
 252 \f
 253 /* input_scrub.c */
 254
 255 /* Supplies sanitised buffers to read.c.
 256    Also understands printing line-number part of error messages.  */
 257 \f
 258 /* subsegs.c     Sub-segments. Also, segment(=expression type)s.*/
 259
 260 #ifndef BFD_ASSEMBLER
 261
 262 #ifdef MANY_SEGMENTS
 263 #include "bfd.h"
 264 #define N_SEGMENTS 40
 265 #define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E39)
 266 #define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9,\
 267                  SEG_E10,SEG_E11,SEG_E12,SEG_E13,SEG_E14,SEG_E15,SEG_E16,SEG_E17,SEG_E18,SEG_E19,\
 268                  SEG_E20,SEG_E21,SEG_E22,SEG_E23,SEG_E24,SEG_E25,SEG_E26,SEG_E27,SEG_E28,SEG_E29,\
 269                  SEG_E30,SEG_E31,SEG_E32,SEG_E33,SEG_E34,SEG_E35,SEG_E36,SEG_E37,SEG_E38,SEG_E39
 270 #define SEG_TEXT SEG_E0
 271 #define SEG_DATA SEG_E1
 272 #define SEG_BSS SEG_E2
 273 #define SEG_LAST SEG_E39
 274 #else
 275 #define N_SEGMENTS 3
 276 #define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS)
 277 #define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS
 278 #endif
 279
 280 typedef enum _segT {
 281   SEG_ABSOLUTE = 0,
 282   SEG_LIST,
 283   SEG_UNKNOWN,
 284   SEG_GOOF,                     /* Only happens if AS has a logic error.  */
 285   /* Invented so we don't crash printing */
 286   /* error message involving weird segment.  */
 287   SEG_EXPR,                     /* Intermediate expression values.  */
 288   SEG_DEBUG,                    /* Debug segment */
 289   SEG_NTV,                      /* Transfert vector preload segment */
 290   SEG_PTV,                      /* Transfert vector postload segment */
 291   SEG_REGISTER                  /* Mythical: a register-valued expression */
 292 } segT;
 293
 294 #define SEG_MAXIMUM_ORDINAL (SEG_REGISTER)
 295 #else
 296 typedef asection *segT;
 297 #define SEG_NORMAL(SEG)         ((SEG) != absolute_section      \
 298                                  && (SEG) != undefined_section  \
 299                                  && (SEG) != reg_section        \
 300                                  && (SEG) != expr_section)
 301 #endif
 302 typedef int subsegT;
 303
 304 /* What subseg we are accessing now? */
 305 COMMON subsegT now_subseg;
 306
 307 /* Segment our instructions emit to.  */
 308 COMMON segT now_seg;
 309
 310 #ifdef BFD_ASSEMBLER
 311 #define segment_name(SEG)       bfd_get_section_name (stdoutput, SEG)
 312 #else
 313 extern char const *const seg_name[];
 314 #define segment_name(SEG)       seg_name[(int) (SEG)]
 315 #endif
 316
 317 #ifndef BFD_ASSEMBLER
 318 extern int section_alignment[];
 319 #endif
 320
 321 #ifdef BFD_ASSEMBLER
 322 extern segT reg_section, expr_section;
 323 /* Shouldn't these be eliminated someday?  */
 324 extern segT text_section, data_section, bss_section;
 325 #define absolute_section        bfd_abs_section_ptr
 326 #define undefined_section       bfd_und_section_ptr
 327 #else
 328 #define reg_section             SEG_REGISTER
 329 #define expr_section            SEG_EXPR
 330 #define text_section            SEG_TEXT
 331 #define data_section            SEG_DATA
 332 #define bss_section             SEG_BSS
 333 #define absolute_section        SEG_ABSOLUTE
 334 #define undefined_section       SEG_UNKNOWN
 335 #endif
 336
 337 /* relax() */
 338
 339 enum _relax_state {
 340   /* Variable chars to be repeated fr_offset times.
 341      Fr_symbol unused. Used with fr_offset == 0 for a
 342      constant length frag.  */
 343   rs_fill = 1,
 344
 345   /* Align.  The fr_offset field holds the power of 2 to which to
 346      align.  The fr_var field holds the number of characters in the
 347      fill pattern.  The fr_subtype field holds the maximum number of
 348      bytes to skip when aligning, or 0 if there is no maximum.  */
 349   rs_align,
 350
 351   /* Align code.  The fr_offset field holds the power of 2 to which
 352      to align.  This type is only generated by machine specific
 353      code, which is normally responsible for handling the fill
 354      pattern.  The fr_subtype field holds the maximum number of
 355      bytes to skip when aligning, or 0 if there is no maximum.  */
 356   rs_align_code,
 357
 358   /* Test for alignment.  Like rs_align, but used by several targets
 359      to warn if data is not properly aligned.  */
 360   rs_align_test,
 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   /* Exception frame information which we may be able to optimize.  */
 385   rs_cfa,
 386
 387   /* Cross-fragment dwarf2 line number optimization.  */
 388   rs_dwarf2dbg
 389 };
 390
 391 typedef enum _relax_state relax_stateT;
 392
 393 /* This type is used in prototypes, so it can't be a type that will be
 394    widened for argument passing.  */
 395 typedef unsigned int relax_substateT;
 396
 397 /* Enough bits for address, but still an integer type.
 398    Could be a problem, cross-assembling for 64-bit machines.  */
 399 typedef addressT relax_addressT;
 400 \f
 401 /* main program "as.c" (command arguments etc) */
 402
 403 COMMON unsigned char flag_no_comments; /* -f */
 404 COMMON unsigned char flag_debug; /* -D */
 405 COMMON unsigned char flag_signed_overflow_ok; /* -J */
 406 #ifndef WORKING_DOT_WORD
 407 COMMON unsigned char flag_warn_displacement; /* -K */
 408 #endif
 409
 410 /* True if local symbols should be retained.  */
 411 COMMON int flag_keep_locals; /* -L */
 412
 413 /* True if we are assembling in MRI mode.  */
 414 COMMON int flag_mri;
 415
 416 /* Should the data section be made read-only and appended to the text
 417    section?  */
 418 COMMON unsigned char flag_readonly_data_in_text; /* -R */
 419
 420 /* True if warnings should be inhibited.  */
 421 COMMON int flag_no_warnings; /* -W */
 422
 423 /* True if warnings count as errors.  */
 424 COMMON int flag_fatal_warnings; /* --fatal-warnings */
 425
 426 /* True if we should attempt to generate output even if non-fatal errors
 427    are detected.  */
 428 COMMON unsigned char flag_always_generate_output; /* -Z */
 429
 430 /* This is true if the assembler should output time and space usage.  */
 431 COMMON unsigned char flag_print_statistics;
 432
 433 /* True if local absolute symbols are to be stripped.  */
 434 COMMON int flag_strip_local_absolute;
 435
 436 /* True if we should generate a traditional format object file.  */
 437 COMMON int flag_traditional_format;
 438
 439 /* TRUE if .note.GNU-stack section with SEC_CODE should be created */
 440 COMMON int flag_execstack;
 441
 442 /* TRUE if .note.GNU-stack section with SEC_CODE should be created */
 443 COMMON int flag_noexecstack;
 444
 445 /* name of emitted object file */
 446 COMMON char *out_file_name;
 447
 448 /* name of file defining extensions to the basic instruction set */
 449 COMMON char *insttbl_file_name;
 450
 451 /* TRUE if we need a second pass.  */
 452 COMMON int need_pass_2;
 453
 454 /* TRUE if we should do no relaxing, and
 455    leave lots of padding.  */
 456 COMMON int linkrelax;
 457
 458 /* TRUE if we should produce a listing.  */
 459 extern int listing;
 460
 461 /* Type of debugging information we should generate.  We currently support
 462    stabs, ECOFF, and DWARF2.
 463
 464    NOTE!  This means debug information about the assembly source code itself
 465    and _not_ about possible debug information from a high-level language.
 466    This is especially relevant to DWARF2, since the compiler may emit line
 467    number directives that the assembler resolves.  */
 468
 469 enum debug_info_type {
 470   DEBUG_UNSPECIFIED,
 471   DEBUG_NONE,
 472   DEBUG_STABS,
 473   DEBUG_ECOFF,
 474   DEBUG_DWARF,
 475   DEBUG_DWARF2
 476 };
 477
 478 extern enum debug_info_type debug_type;
 479 extern int use_gnu_debug_info_extensions;
 480 \f
 481 /* Maximum level of macro nesting.  */
 482 extern int max_macro_nest;
 483
 484 /* Verbosity level.  */
 485 extern int verbose;
 486
 487 /* Obstack chunk size.  Keep large for efficient space use, make small to
 488    increase malloc calls for monitoring memory allocation.  */
 489 extern int chunksize;
 490
 491 struct _pseudo_type {
 492   /* assembler mnemonic, lower case, no '.' */
 493   const char *poc_name;
 494   /* Do the work */
 495   void (*poc_handler) (int);
 496   /* Value to pass to handler */
 497   int poc_val;
 498 };
 499
 500 typedef struct _pseudo_type pseudo_typeS;
 501
 502 /* Prefer varargs for non-ANSI compiler, since some will barf if the
 503    ellipsis definition is used with a no-arguments declaration.  */
 504 #if defined (HAVE_VARARGS_H) && !defined (__STDC__)
 505 #undef HAVE_STDARG_H
 506 #endif
 507
 508 #if defined (HAVE_STDARG_H)
 509 #define USE_STDARG
 510 #endif
 511 #if !defined (USE_STDARG) && defined (HAVE_VARARGS_H)
 512 #define USE_VARARGS
 513 #endif
 514
 515 #ifdef USE_STDARG
 516 #if (__GNUC__ >= 2) && !defined(VMS)
 517 /* for use with -Wformat */
 518
 519 #if __GNUC__ == 2 && __GNUC_MINOR__ < 6
 520 /* Support for double underscores in attribute names was added in gcc
 521    2.6, so avoid them if we are using an earlier version.  */
 522 #define __printf__ printf
 523 #define __format__ format
 524 #endif
 525
 526 #define PRINTF_LIKE(FCN) \
 527   void FCN (const char *format, ...) \
 528     __attribute__ ((__format__ (__printf__, 1, 2)))
 529 #define PRINTF_WHERE_LIKE(FCN) \
 530   void FCN (char *file, unsigned int line, const char *format, ...) \
 531     __attribute__ ((__format__ (__printf__, 3, 4)))
 532
 533 #else /* __GNUC__ < 2 || defined(VMS) */
 534
 535 #define PRINTF_LIKE(FCN)        void FCN (const char *format, ...)
 536 #define PRINTF_WHERE_LIKE(FCN)  void FCN (char *file, \
 537                                           unsigned int line, \
 538                                           const char *format, ...)
 539
 540 #endif /* __GNUC__ < 2 || defined(VMS) */
 541
 542 #else /* ! USE_STDARG */
 543
 544 #define PRINTF_LIKE(FCN)        void FCN ()
 545 #define PRINTF_WHERE_LIKE(FCN)  void FCN ()
 546
 547 #endif /* ! USE_STDARG */
 548
 549 PRINTF_LIKE (as_bad);
 550 PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
 551 PRINTF_LIKE (as_tsktsk);
 552 PRINTF_LIKE (as_warn);
 553 PRINTF_WHERE_LIKE (as_bad_where);
 554 PRINTF_WHERE_LIKE (as_warn_where);
 555
 556 void as_assert (const char *, int, const char *);
 557 void as_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 558
 559 void fprint_value (FILE *file, addressT value);
 560 void sprint_value (char *buf, addressT value);
 561
 562 int had_errors (void);
 563 int had_warnings (void);
 564
 565 void as_warn_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned);
 566 void as_bad_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned);
 567
 568 void print_version_id (void);
 569 char *app_push (void);
 570 char *atof_ieee (char *str, int what_kind, LITTLENUM_TYPE * words);
 571 char *input_scrub_include_file (char *filename, char *position);
 572 extern void input_scrub_insert_line (const char *line);
 573 extern void input_scrub_insert_file (char *path);
 574 char *input_scrub_new_file (char *filename);
 575 char *input_scrub_next_buffer (char **bufp);
 576 int do_scrub_chars (int (*get) (char *, int), char *to, int tolen);
 577 int gen_to_words (LITTLENUM_TYPE * words, int precision,
 578                           long exponent_bits);
 579 int had_err (void);
 580 int ignore_input (void);
 581 void cond_finish_check (int);
 582 void cond_exit_macro (int);
 583 int seen_at_least_1_file (void);
 584 void app_pop (char *arg);
 585 void as_howmuch (FILE * stream);
 586 void as_perror (const char *gripe, const char *filename);
 587 void as_where (char **namep, unsigned int *linep);
 588 void bump_line_counters (void);
 589 void do_scrub_begin (int);
 590 void input_scrub_begin (void);
 591 void input_scrub_close (void);
 592 void input_scrub_end (void);
 593 int new_logical_line (char *fname, int line_number);
 594 void subsegs_begin (void);
 595 void subseg_change (segT seg, int subseg);
 596 segT subseg_new (const char *name, subsegT subseg);
 597 segT subseg_force_new (const char *name, subsegT subseg);
 598 void subseg_set (segT seg, subsegT subseg);
 599 #ifdef BFD_ASSEMBLER
 600 segT subseg_get (const char *, int);
 601 #endif
 602 int subseg_text_p (segT);
 603
 604 void start_dependencies (char *);
 605 void register_dependency (char *);
 606 void print_dependencies (void);
 607
 608 struct expressionS;
 609 struct fix;
 610 typedef struct symbol symbolS;
 611 struct relax_type;
 612 typedef struct frag fragS;
 613
 614 #ifdef BFD_ASSEMBLER
 615 /* literal.c */
 616 valueT add_to_literal_pool (symbolS *, valueT, segT, int);
 617 #endif
 618
 619 int check_eh_frame (struct expressionS *, unsigned int *);
 620 int eh_frame_estimate_size_before_relax (fragS *);
 621 int eh_frame_relax_frag (fragS *);
 622 void eh_frame_convert_frag (fragS *);
 623
 624 int generic_force_reloc (struct fix *);
 625
 626 #include "expr.h"               /* Before targ-*.h */
 627
 628 /* this one starts the chain of target dependant headers */
 629 #include "targ-env.h"
 630
 631 #ifdef OBJ_MAYBE_ELF
 632 #define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour)
 633 #else
 634 #ifdef OBJ_ELF
 635 #define IS_ELF 1
 636 #else
 637 #define IS_ELF 0
 638 #endif
 639 #endif
 640
 641 #include "write.h"
 642 #include "frags.h"
 643 #include "hash.h"
 644 #include "read.h"
 645 #include "symbols.h"
 646
 647 #include "tc.h"
 648 #include "obj.h"
 649
 650 #ifdef USE_EMULATIONS
 651 #include "emul.h"
 652 #endif
 653 #include "listing.h"
 654
 655 #ifdef TC_M68K
 656 /* True if we are assembling in m68k MRI mode.  */
 657 COMMON int flag_m68k_mri;
 658 #else
 659 #define flag_m68k_mri 0
 660 #endif
 661
 662 #ifdef WARN_COMMENTS
 663 COMMON int warn_comment;
 664 COMMON unsigned int found_comment;
 665 COMMON char *found_comment_file;
 666 #endif
 667
 668 #ifndef NUMBERS_WITH_SUFFIX
 669 #define NUMBERS_WITH_SUFFIX 0
 670 #endif
 671
 672 #ifndef LOCAL_LABELS_DOLLAR
 673 #define LOCAL_LABELS_DOLLAR 0
 674 #endif
 675
 676 #ifndef LOCAL_LABELS_FB
 677 #define LOCAL_LABELS_FB 0
 678 #endif
 679
 680 #ifndef LABELS_WITHOUT_COLONS
 681 #define LABELS_WITHOUT_COLONS 0
 682 #endif
 683
 684 #ifndef NO_PSEUDO_DOT
 685 #define NO_PSEUDO_DOT 0
 686 #endif
 687
 688 #ifndef TEXT_SECTION_NAME
 689 #define TEXT_SECTION_NAME       ".text"
 690 #define DATA_SECTION_NAME       ".data"
 691 #define BSS_SECTION_NAME        ".bss"
 692 #endif
 693
 694 #ifndef OCTETS_PER_BYTE_POWER
 695 #define OCTETS_PER_BYTE_POWER 0
 696 #endif
 697 #ifndef OCTETS_PER_BYTE
 698 #define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
 699 #endif
 700 #if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
 701  #error "Octets per byte conflicts with its power-of-two definition!"
 702 #endif
 703
 704 #endif /* GAS */