1 /* as.h - global header file
2    Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
3    1999, 2000, 2001, 2002, 2003, 2004, 2005
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25 /* I think this stuff is largely out of date.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 #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 void* version for STDC case.  This is to be compatible with
46    the declaration in bison.simple, used for m68k operand parsing.
47    --KR 1995.08.08 */
48 /* Force void* decl for hpux.  This is what Bison uses.  --KR 1995.08.16 */
49 
50 #ifndef __GNUC__
51 # if HAVE_ALLOCA_H
52 #  include <alloca.h>
53 # else
54 #  ifdef _AIX
55 /* Indented so that pre-ansi C compilers will ignore it, rather than
56    choke on it.  Some versions of AIX require this to be the first
57    thing in the file.  */
58  #pragma alloca
59 #  else
60 #   ifndef alloca /* predefined by HP cc +Olibcalls */
61 #    if !defined (__STDC__) && !defined (__hpux)
62 extern char *alloca ();
63 #    else
64 extern void *alloca ();
65 #    endif /* __STDC__, __hpux */
66 #   endif /* alloca */
67 #  endif /* _AIX */
68 # endif /* HAVE_ALLOCA_H */
69 #endif /* __GNUC__ */
70 
71 /* Now, tend to the rest of the configuration.  */
72 
73 /* System include files first...  */
74 #include <stdio.h>
75 #ifdef HAVE_STRING_H
76 #include <string.h>
77 #else
78 #ifdef HAVE_STRINGS_H
79 #include <strings.h>
80 #endif
81 #endif
82 #ifdef HAVE_STDLIB_H
83 #include <stdlib.h>
84 #endif
85 #ifdef HAVE_UNISTD_H
86 #include <unistd.h>
87 #endif
88 #ifdef HAVE_SYS_TYPES_H
89 /* for size_t, pid_t */
90 #include <sys/types.h>
91 #endif
92 
93 #include "getopt.h"
94 /* The first getopt value for machine-independent long options.
95    150 isn't special; it's just an arbitrary non-ASCII char value.  */
96 #define OPTION_STD_BASE 150
97 /* The first getopt value for machine-dependent long options.
98    190 gives the standard options room to grow.  */
99 #define OPTION_MD_BASE 190
100 
101 #ifdef DEBUG
102 #undef NDEBUG
103 #endif
104 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
105 #define __PRETTY_FUNCTION__  ((char*)0)
106 #endif
107 #define assert(P) \
108   ((void) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)))
109 #undef abort
110 #define abort()		as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
111 
112 /* Now GNU header files...  */
113 #include "ansidecl.h"
114 #ifdef BFD_ASSEMBLER
115 #include "bfd.h"
116 #endif
117 #include "libiberty.h"
118 
119 /* Define the standard progress macros.  */
120 #include "progress.h"
121 
122 /* This doesn't get taken care of anywhere.  */
123 #ifndef __MWERKS__  /* Metrowerks C chokes on the "defined (inline)"  */
124 #if !defined (__GNUC__) && !defined (inline)
125 #define inline
126 #endif
127 #endif /* !__MWERKS__ */
128 
129 /* Other stuff from config.h.  */
130 #ifdef NEED_DECLARATION_STRSTR
131 extern char *strstr ();
132 #endif
133 #ifdef NEED_DECLARATION_MALLOC
134 extern PTR malloc ();
135 extern PTR realloc ();
136 #endif
137 #ifdef NEED_DECLARATION_FREE
138 extern void free ();
139 #endif
140 #ifdef NEED_DECLARATION_ERRNO
141 extern int errno;
142 #endif
143 #ifdef NEED_DECLARATION_ENVIRON
144 extern char **environ;
145 #endif
146 
147 /* This is needed for VMS.  */
148 #if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
149 #define unlink remove
150 #endif
151 
152 /* Hack to make "gcc -Wall" not complain about obstack macros.  */
153 #if !defined (memcpy) && !defined (bcopy)
154 #define bcopy(src,dest,size)	memcpy (dest, src, size)
155 #endif
156 
157 /* Make Saber happier on obstack.h.  */
158 #ifdef SABER
159 #undef  __PTR_TO_INT
160 #define __PTR_TO_INT(P) ((int) (P))
161 #undef  __INT_TO_PTR
162 #define __INT_TO_PTR(P) ((char *) (P))
163 #endif
164 
165 #ifndef __LINE__
166 #define __LINE__ "unknown"
167 #endif /* __LINE__ */
168 
169 #ifndef __FILE__
170 #define __FILE__ "unknown"
171 #endif /* __FILE__ */
172 
173 #ifndef FOPEN_WB
174 #if defined GO32 || defined __MINGW32__
175 #include "fopen-bin.h"
176 #else
177 #include "fopen-same.h"
178 #endif
179 #endif
180 
181 #ifndef EXIT_SUCCESS
182 #define EXIT_SUCCESS 0
183 #define EXIT_FAILURE 1
184 #endif
185 
186 #ifndef SEEK_SET
187 #define SEEK_SET 0
188 #endif
189 
190 #define obstack_chunk_alloc xmalloc
191 #define obstack_chunk_free xfree
192 
193 #define xfree free
194 
195 #include "asintl.h"
196 
197 #define BAD_CASE(val)							    \
198   {									    \
199     as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"),   \
200 	      (long) val, __LINE__, __FILE__);				    \
201   }
202 
203 #include "flonum.h"
204 
205 /* These are assembler-wide concepts */
206 
207 #ifdef BFD_ASSEMBLER
208 extern bfd *stdoutput;
209 typedef bfd_vma addressT;
210 typedef bfd_signed_vma offsetT;
211 #else
212 typedef unsigned long addressT;
213 typedef long offsetT;
214 #endif
215 
216 /* Type of symbol value, etc.  For use in prototypes.  */
217 typedef addressT valueT;
218 
219 #ifndef COMMON
220 #ifdef TEST
221 #define COMMON			/* Declare our COMMONs storage here.  */
222 #else
223 #define COMMON extern		/* Our commons live elsewhere.  */
224 #endif
225 #endif
226 /* COMMON now defined */
227 
228 #ifdef DEBUG
229 #ifndef know
230 #define know(p) assert(p)	/* Verify our assumptions!  */
231 #endif /* not yet defined */
232 #else
233 #define know(p)			/* know() checks are no-op.ed  */
234 #endif
235 
236 /* input_scrub.c */
237 
238 /* Supplies sanitised buffers to read.c.
239    Also understands printing line-number part of error messages.  */
240 
241 /* subsegs.c     Sub-segments. Also, segment(=expression type)s.*/
242 
243 #ifndef BFD_ASSEMBLER
244 
245 #ifdef MANY_SEGMENTS
246 #include "bfd.h"
247 /* (TIGCC 20040625) 40 sections are definitely not enough for
248                     -ffunction-sections, -fdata-sections and the like.
249                     So I increased them to 120. -- Kevin Kofler
250    (TIGCC 20040905) And again to 1024. -- Kevin Kofler */
251 #define N_SEGMENTS 1024
252 #define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_LAST)
253 #define LIST_10_(decade) decade##0,decade##1,decade##2,decade##3,decade##4,decade##5,decade##6,decade##7,decade##8,decade##9
254 #define LIST_FIRST_100_(century) LIST_10_(century),LIST_10_(century##1),LIST_10_(century##2),LIST_10_(century##3),LIST_10_(century##4),LIST_10_(century##5),LIST_10_(century##6),LIST_10_(century##7),LIST_10_(century##8),LIST_10_(century##9)
255 #define LIST_100_(century) LIST_10_(century##0),LIST_10_(century##1),LIST_10_(century##2),LIST_10_(century##3),LIST_10_(century##4),LIST_10_(century##5),LIST_10_(century##6),LIST_10_(century##7),LIST_10_(century##8),LIST_10_(century##9)
256 #define LIST_FIRST_1000_(millennium) LIST_FIRST_100_(millennium),LIST_100_(millennium##1),LIST_100_(millennium##2),LIST_100_(millennium##3),LIST_100_(millennium##4),LIST_100_(millennium##5),LIST_100_(millennium##6),LIST_100_(millennium##7),LIST_100_(millennium##8),LIST_100_(millennium##9)
257 #define SEG_LIST LIST_FIRST_1000_(SEG_E),LIST_10_(SEG_E100),LIST_10_(SEG_E101),\
258 		 SEG_E1020,SEG_E1021,SEG_E1022,SEG_E1023
259 #define SEG_TEXT SEG_E0
260 #define SEG_DATA SEG_E1
261 #define SEG_BSS SEG_E2
262 #define SEG_LAST SEG_E1023
263 #else
264 #define N_SEGMENTS 3
265 #define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS)
266 #define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS
267 #endif
268 
269 typedef enum _segT
270 {
271   SEG_ABSOLUTE = 0,
272   SEG_LIST,
273   SEG_UNKNOWN,
274   SEG_GOOF,			/* Only happens if AS has a logic error.  */
275   /* Invented so we don't crash printing
276      error message involving weird segment.  */
277   SEG_EXPR,			/* Intermediate expression values.  */
278   SEG_DEBUG,			/* Debug segment */
279   SEG_NTV,			/* Transfert vector preload segment.  */
280   SEG_PTV,			/* Transfert vector postload segment.  */
281   SEG_REGISTER			/* Mythical: a register-valued expression.  */
282 } segT;
283 
284 #define SEG_MAXIMUM_ORDINAL (SEG_REGISTER)
285 #else
286 typedef asection *segT;
287 #define SEG_NORMAL(SEG)		(   (SEG) != absolute_section	\
288 				 && (SEG) != undefined_section	\
289 				 && (SEG) != reg_section	\
290 				 && (SEG) != expr_section)
291 #endif
292 typedef int subsegT;
293 
294 /* What subseg we are accessing now?  */
295 COMMON subsegT now_subseg;
296 
297 /* Segment our instructions emit to.  */
298 COMMON segT now_seg;
299 
300 #ifdef BFD_ASSEMBLER
301 #define segment_name(SEG)	bfd_get_section_name (stdoutput, SEG)
302 #else
303 /* (TIGCC 20040905) Allow arbitrary number of sections here. -- Kevin Kofler */
304 #if 0
305 extern char const *const seg_name[];
306 #define segment_name(SEG)	seg_name[(int) (SEG)]*/
307 #else
308 char *segment_name PARAMS ((int));
309 #endif
310 #endif
311 
312 #ifndef BFD_ASSEMBLER
313 extern int section_alignment[];
314 #endif
315 
316 #ifdef BFD_ASSEMBLER
317 extern segT reg_section, expr_section;
318 /* Shouldn't these be eliminated someday?  */
319 extern segT text_section, data_section, bss_section;
320 #define absolute_section	bfd_abs_section_ptr
321 #define undefined_section	bfd_und_section_ptr
322 #else
323 #define reg_section		SEG_REGISTER
324 #define expr_section		SEG_EXPR
325 #define text_section		SEG_TEXT
326 #define data_section		SEG_DATA
327 #define bss_section		SEG_BSS
328 #define absolute_section	SEG_ABSOLUTE
329 #define undefined_section	SEG_UNKNOWN
330 #endif
331 
332 
333 enum _relax_state
334 {
335   /* Dummy frag used by listing code.  */
336   rs_dummy = 0,
337 
338   /* Variable chars to be repeated fr_offset times.
339      Fr_symbol unused. Used with fr_offset == 0 for a
340      constant length frag.  */
341   rs_fill,
342 
343   /* Align.  The fr_offset field holds the power of 2 to which to
344      align.  The fr_var field holds the number of characters in the
345      fill pattern.  The fr_subtype field holds the maximum number of
346      bytes to skip when aligning, or 0 if there is no maximum.  */
347   rs_align,
348 
349   /* Align code.  The fr_offset field holds the power of 2 to which
350      to align.  This type is only generated by machine specific
351      code, which is normally responsible for handling the fill
352      pattern.  The fr_subtype field holds the maximum number of
353      bytes to skip when aligning, or 0 if there is no maximum.  */
354   rs_align_code,
355 
356   /* Test for alignment.  Like rs_align, but used by several targets
357      to warn if data is not properly aligned.  */
358   rs_align_test,
359 
360   /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
361      character.  */
362   rs_org,
363 
364 #ifndef WORKING_DOT_WORD
365   /* JF: gunpoint */
366   rs_broken_word,
367 #endif
368 
369   /* Machine specific relaxable (or similarly alterable) instruction.  */
370   rs_machine_dependent,
371 
372   /* .space directive with expression operand that needs to be computed
373      later.  Similar to rs_org, but different.
374      fr_symbol: operand
375      1 variable char: fill character  */
376   rs_space,
377 
378   /* A DWARF leb128 value; only ELF uses this.  The subtype is 0 for
379      unsigned, 1 for signed.  */
380   rs_leb128,
381 
382   /* Exception frame information which we may be able to optimize.  */
383   rs_cfa,
384 
385   /* Cross-fragment dwarf2 line number optimization.  */
386   rs_dwarf2dbg
387 };
388 
389 typedef enum _relax_state relax_stateT;
390 
391 /* This type is used in prototypes, so it can't be a type that will be
392    widened for argument passing.  */
393 typedef unsigned int relax_substateT;
394 
395 /* Enough bits for address, but still an integer type.
396    Could be a problem, cross-assembling for 64-bit machines.  */
397 typedef addressT relax_addressT;
398 
399 struct relax_type
400 {
401   /* Forward reach. Signed number. > 0.  */
402   offsetT rlx_forward;
403   /* Backward reach. Signed number. < 0.  */
404   offsetT rlx_backward;
405 
406   /* Bytes length of this address.  */
407   unsigned char rlx_length;
408 
409   /* Next longer relax-state.  0 means there is no 'next' relax-state.  */
410   relax_substateT rlx_more;
411 };
412 
413 typedef struct relax_type relax_typeS;
414 
415 /* main program "as.c" (command arguments etc).  */
416 
417 COMMON unsigned char flag_no_comments; /* -f */
418 COMMON unsigned char flag_debug; /* -D */
419 COMMON unsigned char flag_signed_overflow_ok; /* -J */
420 #ifndef WORKING_DOT_WORD
421 COMMON unsigned char flag_warn_displacement; /* -K */
422 #endif
423 
424 /* True if local symbols should be retained.  */
425 COMMON int flag_keep_locals; /* -L */
426 
427 /* True if we are assembling in MRI mode.  */
428 COMMON int flag_mri;
429 
430 /* Should the data section be made read-only and appended to the text
431    section?  */
432 COMMON unsigned char flag_readonly_data_in_text; /* -R */
433 
434 /* True if warnings should be inhibited.  */
435 COMMON int flag_no_warnings; /* -W */
436 
437 /* True if warnings count as errors.  */
438 COMMON int flag_fatal_warnings; /* --fatal-warnings */
439 
440 /* True if we should attempt to generate output even if non-fatal errors
441    are detected.  */
442 COMMON unsigned char flag_always_generate_output; /* -Z */
443 
444 /* This is true if the assembler should output time and space usage.  */
445 COMMON unsigned char flag_print_statistics;
446 
447 /* True if local absolute symbols are to be stripped.  */
448 COMMON int flag_strip_local_absolute;
449 
450 /* True if we should generate a traditional format object file.  */
451 COMMON int flag_traditional_format;
452 
453 /* TRUE if .note.GNU-stack section with SEC_CODE should be created */
454 COMMON int flag_execstack;
455 
456 /* TRUE if .note.GNU-stack section with SEC_CODE should be created */
457 COMMON int flag_noexecstack;
458 
459 /* name of emitted object file */
460 COMMON char *out_file_name;
461 
462 /* name of file defining extensions to the basic instruction set */
463 COMMON char *insttbl_file_name;
464 
465 /* TRUE if we need a second pass.  */
466 COMMON int need_pass_2;
467 
468 /* TRUE if we should do no relaxing, and
469    leave lots of padding.  */
470 COMMON int linkrelax;
471 
472 /* TRUE if we should produce a listing.  */
473 extern int listing;
474 
475 /* Type of debugging information we should generate.  We currently support
476    stabs, ECOFF, and DWARF2.
477 
478    NOTE!  This means debug information about the assembly source code itself
479    and _not_ about possible debug information from a high-level language.
480    This is especially relevant to DWARF2, since the compiler may emit line
481    number directives that the assembler resolves.  */
482 
483 enum debug_info_type
484 {
485   DEBUG_UNSPECIFIED,
486   DEBUG_NONE,
487   DEBUG_STABS,
488   DEBUG_ECOFF,
489   DEBUG_DWARF,
490   DEBUG_DWARF2
491 };
492 
493 extern enum debug_info_type debug_type;
494 extern int use_gnu_debug_info_extensions;
495 
496 /* (TIGCC 20030716) True if all relocs should be retained.  */
497 COMMON unsigned char flag_all_relocs; /* --all-relocs */
498 
499 /* (TIGCC 20050731) True if assembling in A68k compatibility mode.  */
500 COMMON unsigned char flag_a68k; /* --a68k */
501 
502 /* Maximum level of macro nesting.  */
503 extern int max_macro_nest;
504 
505 /* Verbosity level.  */
506 extern int verbose;
507 
508 /* Obstack chunk size.  Keep large for efficient space use, make small to
509    increase malloc calls for monitoring memory allocation.  */
510 extern int chunksize;
511 
512 struct _pseudo_type
513 {
514   /* assembler mnemonic, lower case, no '.' */
515   const char *poc_name;
516   /* Do the work */
517   void (*poc_handler) (int);
518   /* Value to pass to handler */
519   int poc_val;
520 };
521 
522 typedef struct _pseudo_type pseudo_typeS;
523 
524 /* Prefer varargs for non-ANSI compiler, since some will barf if the
525    ellipsis definition is used with a no-arguments declaration.  */
526 #if defined (HAVE_VARARGS_H) && !defined (__STDC__)
527 #undef HAVE_STDARG_H
528 #endif
529 
530 #if defined (HAVE_STDARG_H)
531 #define USE_STDARG
532 #endif
533 #if !defined (USE_STDARG) && defined (HAVE_VARARGS_H)
534 #define USE_VARARGS
535 #endif
536 
537 #ifdef USE_STDARG
538 #if (__GNUC__ >= 2) && !defined(VMS)
539 /* for use with -Wformat */
540 
541 #if __GNUC__ == 2 && __GNUC_MINOR__ < 6
542 /* Support for double underscores in attribute names was added in gcc
543    2.6, so avoid them if we are using an earlier version.  */
544 #define __printf__ printf
545 #define __format__ format
546 #endif
547 
548 #define PRINTF_LIKE(FCN) \
549   void FCN (const char *format, ...) \
550     __attribute__ ((__format__ (__printf__, 1, 2)))
551 #define PRINTF_WHERE_LIKE(FCN) \
552   void FCN (char *file, unsigned int line, const char *format, ...) \
553     __attribute__ ((__format__ (__printf__, 3, 4)))
554 
555 #else /* __GNUC__ < 2 || defined(VMS) */
556 
557 #define PRINTF_LIKE(FCN)	void FCN (const char *format, ...)
558 #define PRINTF_WHERE_LIKE(FCN)	void FCN (char *file, \
559 					  unsigned int line, \
560 					  const char *format, ...)
561 
562 #endif /* __GNUC__ < 2 || defined(VMS) */
563 
564 #else /* ! USE_STDARG */
565 
566 #define PRINTF_LIKE(FCN)	void FCN ()
567 #define PRINTF_WHERE_LIKE(FCN)	void FCN ()
568 
569 #endif /* ! USE_STDARG */
570 
571 PRINTF_LIKE (as_bad);
572 PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
573 PRINTF_LIKE (as_tsktsk);
574 PRINTF_LIKE (as_warn);
575 PRINTF_WHERE_LIKE (as_bad_where);
576 PRINTF_WHERE_LIKE (as_warn_where);
577 
578 void   as_assert (const char *, int, const char *);
579 void   as_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
580 void   fprint_value (FILE *, addressT);
581 void   sprint_value (char *, addressT);
582 int    had_errors (void);
583 int    had_warnings (void);
584 void   as_warn_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned);
585 void   as_bad_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned);
586 void   print_version_id (void);
587 char * app_push (void);
588 char * atof_ieee (char *, int, LITTLENUM_TYPE *);
589 char * input_scrub_include_file (char *, char *);
590 void   input_scrub_insert_line (const char *);
591 void   input_scrub_insert_file (char *);
592 char * input_scrub_new_file (char *);
593 char * input_scrub_next_buffer (char **bufp);
594 int    do_scrub_chars (int (*get) (char *, int), char *, int);
595 int    gen_to_words (LITTLENUM_TYPE *, int, long);
596 int    had_err (void);
597 int    ignore_input (void);
598 void   cond_finish_check (int);
599 void   cond_exit_macro (int);
600 int    seen_at_least_1_file (void);
601 void   app_pop (char *);
602 void   as_howmuch (FILE *);
603 void   as_perror (const char *, const char *);
604 void   as_where (char **, unsigned int *);
605 void   bump_line_counters (void);
606 void   do_scrub_begin (int);
607 void   input_scrub_begin (void);
608 void   input_scrub_close (void);
609 void   input_scrub_end (void);
610 int    new_logical_line (char *, int);
611 void   subsegs_begin (void);
612 void   subseg_change (segT, int);
613 segT   subseg_new (const char *, subsegT);
614 segT   subseg_force_new (const char *, subsegT);
615 void   subseg_set (segT, subsegT);
616 int    subseg_text_p (segT);
617 int    seg_not_empty_p (segT);
618 void   start_dependencies (char *);
619 void   register_dependency (char *);
620 void   print_dependencies (void);
621 #ifdef BFD_ASSEMBLER
622 segT   subseg_get (const char *, int);
623 #endif
624 
625 struct expressionS;
626 struct fix;
627 typedef struct symbol symbolS;
628 struct relax_type;
629 typedef struct frag fragS;
630 
631 #ifdef BFD_ASSEMBLER
632 /* literal.c */
633 valueT add_to_literal_pool (symbolS *, valueT, segT, int);
634 #endif
635 
636 int check_eh_frame (struct expressionS *, unsigned int *);
637 int eh_frame_estimate_size_before_relax (fragS *);
638 int eh_frame_relax_frag (fragS *);
639 void eh_frame_convert_frag (fragS *);
640 int generic_force_reloc (struct fix *);
641 
642 #include "expr.h"		/* Before targ-*.h */
643 
644 /* This one starts the chain of target dependant headers.  */
645 #include "targ-env.h"
646 
647 #ifdef OBJ_MAYBE_ELF
648 #define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour)
649 #else
650 #ifdef OBJ_ELF
651 #define IS_ELF 1
652 #else
653 #define IS_ELF 0
654 #endif
655 #endif
656 
657 #include "write.h"
658 #include "frags.h"
659 #include "hash.h"
660 #include "read.h"
661 #include "symbols.h"
662 
663 #include "tc.h"
664 #include "obj.h"
665 
666 #ifdef USE_EMULATIONS
667 #include "emul.h"
668 #endif
669 #include "listing.h"
670 
671 #ifdef TC_M68K
672 /* True if we are assembling in m68k MRI mode.  */
673 COMMON int flag_m68k_mri;
674 #else
675 #define flag_m68k_mri 0
676 #endif
677 
678 #ifdef WARN_COMMENTS
679 COMMON int           warn_comment;
680 COMMON unsigned int  found_comment;
681 COMMON char *        found_comment_file;
682 #endif
683 
684 #ifndef NUMBERS_WITH_SUFFIX
685 #define NUMBERS_WITH_SUFFIX 0
686 #endif
687 
688 #ifndef LOCAL_LABELS_DOLLAR
689 #define LOCAL_LABELS_DOLLAR 0
690 #endif
691 
692 #ifndef LOCAL_LABELS_FB
693 #define LOCAL_LABELS_FB 0
694 #endif
695 
696 #ifndef LABELS_WITHOUT_COLONS
697 #define LABELS_WITHOUT_COLONS 0
698 #endif
699 
700 #ifndef NO_PSEUDO_DOT
701 #define NO_PSEUDO_DOT 0
702 #endif
703 
704 #ifndef TEXT_SECTION_NAME
705 #define TEXT_SECTION_NAME	".text"
706 #define DATA_SECTION_NAME	".data"
707 #define BSS_SECTION_NAME	".bss"
708 #endif
709 
710 #ifndef OCTETS_PER_BYTE_POWER
711 #define OCTETS_PER_BYTE_POWER 0
712 #endif
713 #ifndef OCTETS_PER_BYTE
714 #define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
715 #endif
716 #if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
717  #error "Octets per byte conflicts with its power-of-two definition!"
718 #endif
719 
720 #endif /* GAS */
721