[deliverable/binutils-gdb.git] / gas / as.h

/* as.h - global header file
   Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

   GAS is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   GAS is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
   License for more details.

   You should have received a copy of the GNU General Public License
   along with GAS; see the file COPYING.  If not, write to the Free
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
   02110-1301, USA.  */

#ifndef GAS
#define GAS 1
/* I think this stuff is largely out of date.  xoxorich.
 
   CAPITALISED names are #defined.
   "lowercaseH" is #defined if "lowercase.h" has been #include-d.
   "lowercaseT" is a typedef of "lowercase" objects.
   "lowercaseP" is type "pointer to object of type 'lowercase'".
   "lowercaseS" is typedef struct ... lowercaseS.
  
   #define DEBUG to enable all the "know" assertion tests.
   #define SUSPECT when debugging hash code.
   #define COMMON as "extern" for all modules except one, where you #define
  	COMMON as "".
   If TEST is #defined, then we are testing a module: #define COMMON as "".  */

#include "config.h"

/* This is the code recommended in the autoconf documentation, almost
   verbatim.  If it doesn't work for you, let me know, and notify
   djm@gnu.ai.mit.edu as well.  */
/* Added void* version for STDC case.  This is to be compatible with
   the declaration in bison.simple, used for m68k operand parsing.
   --KR 1995.08.08 */
/* Force void* decl for hpux.  This is what Bison uses.  --KR 1995.08.16 */

#ifndef __GNUC__
# if HAVE_ALLOCA_H
#  include <alloca.h>
# else
#  ifdef _AIX
/* Indented so that pre-ansi C compilers will ignore it, rather than
   choke on it.  Some versions of AIX require this to be the first
   thing in the file.  */
 #pragma alloca
#  else
#   ifndef alloca /* predefined by HP cc +Olibcalls */
#    if !defined (__STDC__) && !defined (__hpux)
extern char *alloca ();
#    else
extern void *alloca ();
#    endif /* __STDC__, __hpux */
#   endif /* alloca */
#  endif /* _AIX */
# endif /* HAVE_ALLOCA_H */
#endif /* __GNUC__ */

/* Prefer varargs for non-ANSI compiler, since some will barf if the
   ellipsis definition is used with a no-arguments declaration.  */
#if defined (HAVE_VARARGS_H) && !defined (__STDC__)
#undef HAVE_STDARG_H
#endif

#if defined (HAVE_STDARG_H)
#define USE_STDARG
#endif
#if !defined (USE_STDARG) && defined (HAVE_VARARGS_H)
#define USE_VARARGS
#endif

/* Now, tend to the rest of the configuration.  */

/* System include files first...  */
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
/* for size_t, pid_t */
#include <sys/types.h>
#endif

#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif

#ifdef USE_STDARG
#include <stdarg.h>
#endif

#ifdef USE_VARARGS
#include <varargs.h>
#endif

#if !defined (USE_STDARG) && !defined (USE_VARARGS)
/* Roll our own.  */
#define va_alist REST
#define va_dcl
typedef int * va_list;
#define va_start(ARGS)	ARGS = &REST
#define va_end(ARGS)
#endif

#include "getopt.h"
/* The first getopt value for machine-independent long options.
   150 isn't special; it's just an arbitrary non-ASCII char value.  */
#define OPTION_STD_BASE 150
/* The first getopt value for machine-dependent long options.
   190 gives the standard options room to grow.  */
#define OPTION_MD_BASE 190

#ifdef DEBUG
#undef NDEBUG
#endif
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
#define __PRETTY_FUNCTION__  ((char*)0)
#endif
#define assert(P) \
  ((void) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)))
#undef abort
#define abort()		as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)

/* Now GNU header files...  */
#include "ansidecl.h"
#include "bfd.h"
#include "libiberty.h"

/* Define the standard progress macros.  */
#include "progress.h"

/* This doesn't get taken care of anywhere.  */
#ifndef __MWERKS__  /* Metrowerks C chokes on the "defined (inline)"  */
#if !defined (__GNUC__) && !defined (inline)
#define inline
#endif
#endif /* !__MWERKS__ */

/* Other stuff from config.h.  */
#ifdef NEED_DECLARATION_ENVIRON
extern char **environ;
#endif
#ifdef NEED_DECLARATION_ERRNO
extern int errno;
#endif
#ifdef NEED_DECLARATION_FFS
extern int ffs (int);
#endif
#ifdef NEED_DECLARATION_FREE
extern void free ();
#endif
#ifdef NEED_DECLARATION_MALLOC
extern PTR malloc ();
extern PTR realloc ();
#endif
#ifdef NEED_DECLARATION_STRSTR
extern char *strstr ();
#endif

#if !HAVE_DECL_VSNPRINTF
extern int vsnprintf(char *, size_t, const char *, va_list);
#endif

/* This is needed for VMS.  */
#if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
#define unlink remove
#endif

/* Hack to make "gcc -Wall" not complain about obstack macros.  */
#if !defined (memcpy) && !defined (bcopy)
#define bcopy(src,dest,size)	memcpy (dest, src, size)
#endif

/* Make Saber happier on obstack.h.  */
#ifdef SABER
#undef  __PTR_TO_INT
#define __PTR_TO_INT(P) ((int) (P))
#undef  __INT_TO_PTR
#define __INT_TO_PTR(P) ((char *) (P))
#endif

#ifndef __LINE__
#define __LINE__ "unknown"
#endif /* __LINE__ */

#ifndef __FILE__
#define __FILE__ "unknown"
#endif /* __FILE__ */

#ifndef FOPEN_WB
#ifdef USE_BINARY_FOPEN
#include "fopen-bin.h"
#else
#include "fopen-same.h"
#endif
#endif

#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
#endif

#ifndef SEEK_SET
#define SEEK_SET 0
#endif

#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free xfree

#define xfree free

#include "asintl.h"

#define BAD_CASE(val)							    \
  {									    \
    as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"),   \
	      (long) val, __LINE__, __FILE__);				    \
  }
\f
#include "flonum.h"

/* These are assembler-wide concepts */

extern bfd *stdoutput;
typedef bfd_vma addressT;
typedef bfd_signed_vma offsetT;

/* Type of symbol value, etc.  For use in prototypes.  */
typedef addressT valueT;

#ifndef COMMON
#ifdef TEST
#define COMMON			/* Declare our COMMONs storage here.  */
#else
#define COMMON extern		/* Our commons live elsewhere.  */
#endif
#endif
/* COMMON now defined */

#ifndef ENABLE_CHECKING
#define ENABLE_CHECKING 0
#endif

#if ENABLE_CHECKING || defined (DEBUG)
#ifndef know
#define know(p) assert(p)	/* Verify our assumptions!  */
#endif /* not yet defined */
#else
#define know(p)			/* know() checks are no-op.ed  */
#endif
\f
/* input_scrub.c */

/* Supplies sanitised buffers to read.c.
   Also understands printing line-number part of error messages.  */
\f
/* subsegs.c     Sub-segments. Also, segment(=expression type)s.*/

typedef asection *segT;
#define SEG_NORMAL(SEG)		(   (SEG) != absolute_section	\
				 && (SEG) != undefined_section	\
				 && (SEG) != reg_section	\
				 && (SEG) != expr_section)
typedef int subsegT;

/* What subseg we are accessing now?  */
COMMON subsegT now_subseg;

/* Segment our instructions emit to.  */
COMMON segT now_seg;

#define segment_name(SEG)	bfd_get_section_name (stdoutput, SEG)

extern segT reg_section, expr_section;
/* Shouldn't these be eliminated someday?  */
extern segT text_section, data_section, bss_section;
#define absolute_section	bfd_abs_section_ptr
#define undefined_section	bfd_und_section_ptr

enum _relax_state
{
  /* Dummy frag used by listing code.  */
  rs_dummy = 0,

  /* Variable chars to be repeated fr_offset times.
     Fr_symbol unused. Used with fr_offset == 0 for a
     constant length frag.  */
  rs_fill,

  /* Align.  The fr_offset field holds the power of 2 to which to
     align.  The fr_var field holds the number of characters in the
     fill pattern.  The fr_subtype field holds the maximum number of
     bytes to skip when aligning, or 0 if there is no maximum.  */
  rs_align,

  /* Align code.  The fr_offset field holds the power of 2 to which
     to align.  This type is only generated by machine specific
     code, which is normally responsible for handling the fill
     pattern.  The fr_subtype field holds the maximum number of
     bytes to skip when aligning, or 0 if there is no maximum.  */
  rs_align_code,

  /* Test for alignment.  Like rs_align, but used by several targets
     to warn if data is not properly aligned.  */
  rs_align_test,

  /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
     character.  */
  rs_org,

#ifndef WORKING_DOT_WORD
  /* JF: gunpoint */
  rs_broken_word,
#endif

  /* Machine specific relaxable (or similarly alterable) instruction.  */
  rs_machine_dependent,

  /* .space directive with expression operand that needs to be computed
     later.  Similar to rs_org, but different.
     fr_symbol: operand
     1 variable char: fill character  */
  rs_space,

  /* A DWARF leb128 value; only ELF uses this.  The subtype is 0 for
     unsigned, 1 for signed.  */
  rs_leb128,

  /* Exception frame information which we may be able to optimize.  */
  rs_cfa,

  /* Cross-fragment dwarf2 line number optimization.  */
  rs_dwarf2dbg
};

typedef enum _relax_state relax_stateT;

/* This type is used in prototypes, so it can't be a type that will be
   widened for argument passing.  */
typedef unsigned int relax_substateT;

/* Enough bits for address, but still an integer type.
   Could be a problem, cross-assembling for 64-bit machines.  */
typedef addressT relax_addressT;

struct relax_type
{
  /* Forward reach. Signed number. > 0.  */
  offsetT rlx_forward;
  /* Backward reach. Signed number. < 0.  */
  offsetT rlx_backward;

  /* Bytes length of this address.  */
  unsigned char rlx_length;

  /* Next longer relax-state.  0 means there is no 'next' relax-state.  */
  relax_substateT rlx_more;
};

typedef struct relax_type relax_typeS;
\f
/* main program "as.c" (command arguments etc).  */

COMMON unsigned char flag_no_comments; /* -f */
COMMON unsigned char flag_debug; /* -D */
COMMON unsigned char flag_signed_overflow_ok; /* -J */
#ifndef WORKING_DOT_WORD
COMMON unsigned char flag_warn_displacement; /* -K */
#endif

/* True if local symbols should be retained.  */
COMMON int flag_keep_locals; /* -L */

/* True if we are assembling in MRI mode.  */
COMMON int flag_mri;

/* Should the data section be made read-only and appended to the text
   section?  */
COMMON unsigned char flag_readonly_data_in_text; /* -R */

/* True if warnings should be inhibited.  */
COMMON int flag_no_warnings; /* -W */

/* True if warnings count as errors.  */
COMMON int flag_fatal_warnings; /* --fatal-warnings */

/* True if we should attempt to generate output even if non-fatal errors
   are detected.  */
COMMON unsigned char flag_always_generate_output; /* -Z */

/* This is true if the assembler should output time and space usage.  */
COMMON unsigned char flag_print_statistics;

/* True if local absolute symbols are to be stripped.  */
COMMON int flag_strip_local_absolute;

/* True if we should generate a traditional format object file.  */
COMMON int flag_traditional_format;

/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
COMMON int flag_execstack;

/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
COMMON int flag_noexecstack;

/* name of emitted object file */
COMMON char *out_file_name;

/* name of file defining extensions to the basic instruction set */
COMMON char *insttbl_file_name;

/* TRUE if we need a second pass.  */
COMMON int need_pass_2;

/* TRUE if we should do no relaxing, and
   leave lots of padding.  */
COMMON int linkrelax;

/* TRUE if we should produce a listing.  */
extern int listing;

/* Type of debugging information we should generate.  We currently support
   stabs, ECOFF, and DWARF2.

   NOTE!  This means debug information about the assembly source code itself
   and _not_ about possible debug information from a high-level language.
   This is especially relevant to DWARF2, since the compiler may emit line
   number directives that the assembler resolves.  */

enum debug_info_type
{
  DEBUG_UNSPECIFIED,
  DEBUG_NONE,
  DEBUG_STABS,
  DEBUG_ECOFF,
  DEBUG_DWARF,
  DEBUG_DWARF2
};

extern enum debug_info_type debug_type;
extern int use_gnu_debug_info_extensions;
\f
/* Maximum level of macro nesting.  */
extern int max_macro_nest;

/* Verbosity level.  */
extern int verbose;

/* Obstack chunk size.  Keep large for efficient space use, make small to
   increase malloc calls for monitoring memory allocation.  */
extern int chunksize;

struct _pseudo_type
{
  /* assembler mnemonic, lower case, no '.' */
  const char *poc_name;
  /* Do the work */
  void (*poc_handler) (int);
  /* Value to pass to handler */
  int poc_val;
};

typedef struct _pseudo_type pseudo_typeS;

#ifdef USE_STDARG
#if (__GNUC__ >= 2) && !defined(VMS)
/* for use with -Wformat */

#if __GNUC__ == 2 && __GNUC_MINOR__ < 6
/* Support for double underscores in attribute names was added in gcc
   2.6, so avoid them if we are using an earlier version.  */
#define __printf__ printf
#define __format__ format
#endif

#define PRINTF_LIKE(FCN) \
  void FCN (const char *format, ...) \
    __attribute__ ((__format__ (__printf__, 1, 2)))
#define PRINTF_WHERE_LIKE(FCN) \
  void FCN (char *file, unsigned int line, const char *format, ...) \
    __attribute__ ((__format__ (__printf__, 3, 4)))

#else /* __GNUC__ < 2 || defined(VMS) */

#define PRINTF_LIKE(FCN)	void FCN (const char *format, ...)
#define PRINTF_WHERE_LIKE(FCN)	void FCN (char *file, \
					  unsigned int line, \
					  const char *format, ...)

#endif /* __GNUC__ < 2 || defined(VMS) */

#else /* ! USE_STDARG */

#define PRINTF_LIKE(FCN)	void FCN ()
#define PRINTF_WHERE_LIKE(FCN)	void FCN ()

#endif /* ! USE_STDARG */

PRINTF_LIKE (as_bad);
PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
PRINTF_LIKE (as_tsktsk);
PRINTF_LIKE (as_warn);
PRINTF_WHERE_LIKE (as_bad_where);
PRINTF_WHERE_LIKE (as_warn_where);

void   as_assert (const char *, int, const char *);
void   as_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
void   sprint_value (char *, addressT);
int    had_errors (void);
int    had_warnings (void);
void   as_warn_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned);
void   as_bad_value_out_of_range (char *, offsetT, offsetT, offsetT, char *, unsigned);
void   print_version_id (void);
char * app_push (void);
char * atof_ieee (char *, int, LITTLENUM_TYPE *);
char * ieee_md_atof (int, char *, int *, bfd_boolean);
char * vax_md_atof (int, char *, int *);
char * input_scrub_include_file (char *, char *);
void   input_scrub_insert_line (const char *);
void   input_scrub_insert_file (char *);
char * input_scrub_new_file (char *);
char * input_scrub_next_buffer (char **bufp);
int    do_scrub_chars (int (*get) (char *, int), char *, int);
int    gen_to_words (LITTLENUM_TYPE *, int, long);
int    had_err (void);
int    ignore_input (void);
void   cond_finish_check (int);
void   cond_exit_macro (int);
int    seen_at_least_1_file (void);
void   app_pop (char *);
void   as_where (char **, unsigned int *);
void   bump_line_counters (void);
void   do_scrub_begin (int);
void   input_scrub_begin (void);
void   input_scrub_close (void);
void   input_scrub_end (void);
int    new_logical_line (char *, int);
int    new_logical_line_flags (char *, int, int);
void   subsegs_begin (void);
void   subseg_change (segT, int);
segT   subseg_new (const char *, subsegT);
segT   subseg_force_new (const char *, subsegT);
void   subseg_set (segT, subsegT);
int    subseg_text_p (segT);
int    seg_not_empty_p (segT);
void   start_dependencies (char *);
void   register_dependency (char *);
void   print_dependencies (void);
segT   subseg_get (const char *, int);

const char *remap_debug_filename (const char *);
void add_debug_prefix_map (const char *);

struct expressionS;
struct fix;
typedef struct symbol symbolS;
typedef struct frag fragS;

/* literal.c */
valueT add_to_literal_pool (symbolS *, valueT, segT, int);

int check_eh_frame (struct expressionS *, unsigned int *);
int eh_frame_estimate_size_before_relax (fragS *);
int eh_frame_relax_frag (fragS *);
void eh_frame_convert_frag (fragS *);
int generic_force_reloc (struct fix *);

#include "expr.h"		/* Before targ-*.h */

/* This one starts the chain of target dependant headers.  */
#include "targ-env.h"

#ifdef OBJ_MAYBE_ELF
#define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour)
#else
#ifdef OBJ_ELF
#define IS_ELF 1
#else
#define IS_ELF 0
#endif
#endif

#include "write.h"
#include "frags.h"
#include "hash.h"
#include "read.h"
#include "symbols.h"

#include "tc.h"
#include "obj.h"

#ifdef USE_EMULATIONS
#include "emul.h"
#endif
#include "listing.h"

#ifdef TC_M68K
/* True if we are assembling in m68k MRI mode.  */
COMMON int flag_m68k_mri;
#define DOLLAR_AMBIGU flag_m68k_mri
#else
#define flag_m68k_mri 0
#endif

#ifdef WARN_COMMENTS
COMMON int           warn_comment;
COMMON unsigned int  found_comment;
COMMON char *        found_comment_file;
#endif

#ifndef DOLLAR_AMBIGU
#define DOLLAR_AMBIGU 0
#endif

#ifndef NUMBERS_WITH_SUFFIX
#define NUMBERS_WITH_SUFFIX 0
#endif

#ifndef LOCAL_LABELS_DOLLAR
#define LOCAL_LABELS_DOLLAR 0
#endif

#ifndef LOCAL_LABELS_FB
#define LOCAL_LABELS_FB 0
#endif

#ifndef LABELS_WITHOUT_COLONS
#define LABELS_WITHOUT_COLONS 0
#endif

#ifndef NO_PSEUDO_DOT
#define NO_PSEUDO_DOT 0
#endif

#ifndef TEXT_SECTION_NAME
#define TEXT_SECTION_NAME	".text"
#define DATA_SECTION_NAME	".data"
#define BSS_SECTION_NAME	".bss"
#endif

#ifndef OCTETS_PER_BYTE_POWER
#define OCTETS_PER_BYTE_POWER 0
#endif
#ifndef OCTETS_PER_BYTE
#define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
#endif
#if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
 #error "Octets per byte conflicts with its power-of-two definition!"
#endif

#endif /* GAS */
Commit	Line	Data
	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, 2006, 2007
	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 3, or (at your option)
	11	any later version.
	12
	13	GAS is distributed in the hope that it will be useful, but WITHOUT
	14	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
	15	or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
	16	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, 51 Franklin Street - Fifth Floor, Boston, MA
	21	02110-1301, 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
	41	/* This is the code recommended in the autoconf documentation, almost
	42	verbatim. If it doesn't work for you, let me know, and notify
	43	djm@gnu.ai.mit.edu as well. */
	44	/* Added void* version for STDC case. This is to be compatible with
	45	the declaration in bison.simple, used for m68k operand parsing.
	46	--KR 1995.08.08 */
	47	/* Force void* decl for hpux. This is what Bison uses. --KR 1995.08.16 */
	48
	49	#ifndef __GNUC__
	50	# if HAVE_ALLOCA_H
	51	# include <alloca.h>
	52	# else
	53	# ifdef _AIX
	54	/* Indented so that pre-ansi C compilers will ignore it, rather than
	55	choke on it. Some versions of AIX require this to be the first
	56	thing in the file. */
	57	#pragma alloca
	58	# else
	59	# ifndef alloca /* predefined by HP cc +Olibcalls */
	60	# if !defined (__STDC__) && !defined (__hpux)
	61	extern char *alloca ();
	62	# else
	63	extern void *alloca ();
	64	# endif /* __STDC__, __hpux */
	65	# endif /* alloca */
	66	# endif /* _AIX */
	67	# endif /* HAVE_ALLOCA_H */
	68	#endif /* __GNUC__ */
	69
	70	/* Prefer varargs for non-ANSI compiler, since some will barf if the
	71	ellipsis definition is used with a no-arguments declaration. */
	72	#if defined (HAVE_VARARGS_H) && !defined (__STDC__)
	73	#undef HAVE_STDARG_H
	74	#endif
	75
	76	#if defined (HAVE_STDARG_H)
	77	#define USE_STDARG
	78	#endif
	79	#if !defined (USE_STDARG) && defined (HAVE_VARARGS_H)
	80	#define USE_VARARGS
	81	#endif
	82
	83	/* Now, tend to the rest of the configuration. */
	84
	85	/* System include files first... */
	86	#include <stdio.h>
	87	#ifdef HAVE_STRING_H
	88	#include <string.h>
	89	#else
	90	#ifdef HAVE_STRINGS_H
	91	#include <strings.h>
	92	#endif
	93	#endif
	94	#ifdef HAVE_STDLIB_H
	95	#include <stdlib.h>
	96	#endif
	97	#ifdef HAVE_UNISTD_H
	98	#include <unistd.h>
	99	#endif
	100	#ifdef HAVE_SYS_TYPES_H
	101	/* for size_t, pid_t */
	102	#include <sys/types.h>
	103	#endif
	104
	105	#ifdef HAVE_ERRNO_H
	106	#include <errno.h>
	107	#endif
	108
	109	#ifdef USE_STDARG
	110	#include <stdarg.h>
	111	#endif
	112
	113	#ifdef USE_VARARGS
	114	#include <varargs.h>
	115	#endif
	116
	117	#if !defined (USE_STDARG) && !defined (USE_VARARGS)
	118	/* Roll our own. */
	119	#define va_alist REST
	120	#define va_dcl
	121	typedef int * va_list;
	122	#define va_start(ARGS) ARGS = &REST
	123	#define va_end(ARGS)
	124	#endif
	125
	126	#include "getopt.h"
	127	/* The first getopt value for machine-independent long options.
	128	150 isn't special; it's just an arbitrary non-ASCII char value. */
	129	#define OPTION_STD_BASE 150
	130	/* The first getopt value for machine-dependent long options.
	131	190 gives the standard options room to grow. */
	132	#define OPTION_MD_BASE 190
	133
	134	#ifdef DEBUG
	135	#undef NDEBUG
	136	#endif
	137	#if __GNUC__ < 2 \|\| (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
	138	#define __PRETTY_FUNCTION__ ((char*)0)
	139	#endif
	140	#define assert(P) \
	141	((void) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)))
	142	#undef abort
	143	#define abort() as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
	144
	145	/* Now GNU header files... */
	146	#include "ansidecl.h"
	147	#include "bfd.h"
	148	#include "libiberty.h"
	149
	150	/* Define the standard progress macros. */
	151	#include "progress.h"
	152
	153	/* This doesn't get taken care of anywhere. */
	154	#ifndef __MWERKS__ /* Metrowerks C chokes on the "defined (inline)" */
	155	#if !defined (__GNUC__) && !defined (inline)
	156	#define inline
	157	#endif
	158	#endif /* !__MWERKS__ */
	159
	160	/* Other stuff from config.h. */
	161	#ifdef NEED_DECLARATION_ENVIRON
	162	extern char **environ;
	163	#endif
	164	#ifdef NEED_DECLARATION_ERRNO
	165	extern int errno;
	166	#endif
	167	#ifdef NEED_DECLARATION_FFS
	168	extern int ffs (int);
	169	#endif
	170	#ifdef NEED_DECLARATION_FREE
	171	extern void free ();
	172	#endif
	173	#ifdef NEED_DECLARATION_MALLOC
	174	extern PTR malloc ();
	175	extern PTR realloc ();
	176	#endif
	177	#ifdef NEED_DECLARATION_STRSTR
	178	extern char *strstr ();
	179	#endif
	180
	181	#if !HAVE_DECL_VSNPRINTF
	182	extern int vsnprintf(char , size_t, const char , va_list);
	183	#endif
	184
	185	/* This is needed for VMS. */
	186	#if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
	187	#define unlink remove
	188	#endif
	189
	190	/* Hack to make "gcc -Wall" not complain about obstack macros. */
	191	#if !defined (memcpy) && !defined (bcopy)
	192	#define bcopy(src,dest,size) memcpy (dest, src, size)
	193	#endif
	194
	195	/* Make Saber happier on obstack.h. */
	196	#ifdef SABER
	197	#undef __PTR_TO_INT
	198	#define __PTR_TO_INT(P) ((int) (P))
	199	#undef __INT_TO_PTR
	200	#define __INT_TO_PTR(P) ((char *) (P))
	201	#endif
	202
	203	#ifndef __LINE__
	204	#define __LINE__ "unknown"
	205	#endif /* __LINE__ */
	206
	207	#ifndef __FILE__
	208	#define __FILE__ "unknown"
	209	#endif /* __FILE__ */
	210
	211	#ifndef FOPEN_WB
	212	#ifdef USE_BINARY_FOPEN
	213	#include "fopen-bin.h"
	214	#else
	215	#include "fopen-same.h"
	216	#endif
	217	#endif
	218
	219	#ifndef EXIT_SUCCESS
	220	#define EXIT_SUCCESS 0
	221	#define EXIT_FAILURE 1
	222	#endif
	223
	224	#ifndef SEEK_SET
	225	#define SEEK_SET 0
	226	#endif
	227
	228	#define obstack_chunk_alloc xmalloc
	229	#define obstack_chunk_free xfree
	230
	231	#define xfree free
	232
	233	#include "asintl.h"
	234
	235	#define BAD_CASE(val) \
	236	{ \
	237	as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"), \
	238	(long) val, __LINE__, __FILE__); \
	239	}
	240	\f
	241	#include "flonum.h"
	242
	243	/* These are assembler-wide concepts */
	244
	245	extern bfd *stdoutput;
	246	typedef bfd_vma addressT;
	247	typedef bfd_signed_vma offsetT;
	248
	249	/* Type of symbol value, etc. For use in prototypes. */
	250	typedef addressT valueT;
	251
	252	#ifndef COMMON
	253	#ifdef TEST
	254	#define COMMON /* Declare our COMMONs storage here. */
	255	#else
	256	#define COMMON extern /* Our commons live elsewhere. */
	257	#endif
	258	#endif
	259	/* COMMON now defined */
	260
	261	#ifndef ENABLE_CHECKING
	262	#define ENABLE_CHECKING 0
	263	#endif
	264
	265	#if ENABLE_CHECKING \|\| defined (DEBUG)
	266	#ifndef know
	267	#define know(p) assert(p) /* Verify our assumptions! */
	268	#endif /* not yet defined */
	269	#else
	270	#define know(p) /* know() checks are no-op.ed */
	271	#endif
	272	\f
	273	/* input_scrub.c */
	274
	275	/* Supplies sanitised buffers to read.c.
	276	Also understands printing line-number part of error messages. */
	277	\f
	278	/* subsegs.c Sub-segments. Also, segment(=expression type)s.*/
	279
	280	typedef asection *segT;
	281	#define SEG_NORMAL(SEG) ( (SEG) != absolute_section \
	282	&& (SEG) != undefined_section \
	283	&& (SEG) != reg_section \
	284	&& (SEG) != expr_section)
	285	typedef int subsegT;
	286
	287	/* What subseg we are accessing now? */
	288	COMMON subsegT now_subseg;
	289
	290	/* Segment our instructions emit to. */
	291	COMMON segT now_seg;
	292
	293	#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG)
	294
	295	extern segT reg_section, expr_section;
	296	/* Shouldn't these be eliminated someday? */
	297	extern segT text_section, data_section, bss_section;
	298	#define absolute_section bfd_abs_section_ptr
	299	#define undefined_section bfd_und_section_ptr
	300
	301	enum _relax_state
	302	{
	303	/* Dummy frag used by listing code. */
	304	rs_dummy = 0,
	305
	306	/* Variable chars to be repeated fr_offset times.
	307	Fr_symbol unused. Used with fr_offset == 0 for a
	308	constant length frag. */
	309	rs_fill,
	310
	311	/* Align. The fr_offset field holds the power of 2 to which to
	312	align. The fr_var field holds the number of characters in the
	313	fill pattern. The fr_subtype field holds the maximum number of
	314	bytes to skip when aligning, or 0 if there is no maximum. */
	315	rs_align,
	316
	317	/* Align code. The fr_offset field holds the power of 2 to which
	318	to align. This type is only generated by machine specific
	319	code, which is normally responsible for handling the fill
	320	pattern. The fr_subtype field holds the maximum number of
	321	bytes to skip when aligning, or 0 if there is no maximum. */
	322	rs_align_code,
	323
	324	/* Test for alignment. Like rs_align, but used by several targets
	325	to warn if data is not properly aligned. */
	326	rs_align_test,
	327
	328	/* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
	329	character. */
	330	rs_org,
	331
	332	#ifndef WORKING_DOT_WORD
	333	/* JF: gunpoint */
	334	rs_broken_word,
	335	#endif
	336
	337	/* Machine specific relaxable (or similarly alterable) instruction. */
	338	rs_machine_dependent,
	339
	340	/* .space directive with expression operand that needs to be computed
	341	later. Similar to rs_org, but different.
	342	fr_symbol: operand
	343	1 variable char: fill character */
	344	rs_space,
	345
	346	/* A DWARF leb128 value; only ELF uses this. The subtype is 0 for
	347	unsigned, 1 for signed. */
	348	rs_leb128,
	349
	350	/* Exception frame information which we may be able to optimize. */
	351	rs_cfa,
	352
	353	/* Cross-fragment dwarf2 line number optimization. */
	354	rs_dwarf2dbg
	355	};
	356
	357	typedef enum _relax_state relax_stateT;
	358
	359	/* This type is used in prototypes, so it can't be a type that will be
	360	widened for argument passing. */
	361	typedef unsigned int relax_substateT;
	362
	363	/* Enough bits for address, but still an integer type.
	364	Could be a problem, cross-assembling for 64-bit machines. */
	365	typedef addressT relax_addressT;
	366
	367	struct relax_type
	368	{
	369	/* Forward reach. Signed number. > 0. */
	370	offsetT rlx_forward;
	371	/* Backward reach. Signed number. < 0. */
	372	offsetT rlx_backward;
	373
	374	/* Bytes length of this address. */
	375	unsigned char rlx_length;
	376
	377	/* Next longer relax-state. 0 means there is no 'next' relax-state. */
	378	relax_substateT rlx_more;
	379	};
	380
	381	typedef struct relax_type relax_typeS;
	382	\f
	383	/* main program "as.c" (command arguments etc). */
	384
	385	COMMON unsigned char flag_no_comments; /* -f */
	386	COMMON unsigned char flag_debug; /* -D */
	387	COMMON unsigned char flag_signed_overflow_ok; /* -J */
	388	#ifndef WORKING_DOT_WORD
	389	COMMON unsigned char flag_warn_displacement; /* -K */
	390	#endif
	391
	392	/* True if local symbols should be retained. */
	393	COMMON int flag_keep_locals; /* -L */
	394
	395	/* True if we are assembling in MRI mode. */
	396	COMMON int flag_mri;
	397
	398	/* Should the data section be made read-only and appended to the text
	399	section? */
	400	COMMON unsigned char flag_readonly_data_in_text; /* -R */
	401
	402	/* True if warnings should be inhibited. */
	403	COMMON int flag_no_warnings; /* -W */
	404
	405	/* True if warnings count as errors. */
	406	COMMON int flag_fatal_warnings; /* --fatal-warnings */
	407
	408	/* True if we should attempt to generate output even if non-fatal errors
	409	are detected. */
	410	COMMON unsigned char flag_always_generate_output; /* -Z */
	411
	412	/* This is true if the assembler should output time and space usage. */
	413	COMMON unsigned char flag_print_statistics;
	414
	415	/* True if local absolute symbols are to be stripped. */
	416	COMMON int flag_strip_local_absolute;
	417
	418	/* True if we should generate a traditional format object file. */
	419	COMMON int flag_traditional_format;
	420
	421	/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
	422	COMMON int flag_execstack;
	423
	424	/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
	425	COMMON int flag_noexecstack;
	426
	427	/* name of emitted object file */
	428	COMMON char *out_file_name;
	429
	430	/* name of file defining extensions to the basic instruction set */
	431	COMMON char *insttbl_file_name;
	432
	433	/* TRUE if we need a second pass. */
	434	COMMON int need_pass_2;
	435
	436	/* TRUE if we should do no relaxing, and
	437	leave lots of padding. */
	438	COMMON int linkrelax;
	439
	440	/* TRUE if we should produce a listing. */
	441	extern int listing;
	442
	443	/* Type of debugging information we should generate. We currently support
	444	stabs, ECOFF, and DWARF2.
	445
	446	NOTE! This means debug information about the assembly source code itself
	447	and _not_ about possible debug information from a high-level language.
	448	This is especially relevant to DWARF2, since the compiler may emit line
	449	number directives that the assembler resolves. */
	450
	451	enum debug_info_type
	452	{
	453	DEBUG_UNSPECIFIED,
	454	DEBUG_NONE,
	455	DEBUG_STABS,
	456	DEBUG_ECOFF,
	457	DEBUG_DWARF,
	458	DEBUG_DWARF2
	459	};
	460
	461	extern enum debug_info_type debug_type;
	462	extern int use_gnu_debug_info_extensions;
	463	\f
	464	/* Maximum level of macro nesting. */
	465	extern int max_macro_nest;
	466
	467	/* Verbosity level. */
	468	extern int verbose;
	469
	470	/* Obstack chunk size. Keep large for efficient space use, make small to
	471	increase malloc calls for monitoring memory allocation. */
	472	extern int chunksize;
	473
	474	struct _pseudo_type
	475	{
	476	/* assembler mnemonic, lower case, no '.' */
	477	const char *poc_name;
	478	/* Do the work */
	479	void (*poc_handler) (int);
	480	/* Value to pass to handler */
	481	int poc_val;
	482	};
	483
	484	typedef struct _pseudo_type pseudo_typeS;
	485
	486	#ifdef USE_STDARG
	487	#if (__GNUC__ >= 2) && !defined(VMS)
	488	/* for use with -Wformat */
	489
	490	#if __GNUC__ == 2 && __GNUC_MINOR__ < 6
	491	/* Support for double underscores in attribute names was added in gcc
	492	2.6, so avoid them if we are using an earlier version. */
	493	#define __printf__ printf
	494	#define __format__ format
	495	#endif
	496
	497	#define PRINTF_LIKE(FCN) \
	498	void FCN (const char *format, ...) \
	499	__attribute__ ((__format__ (__printf__, 1, 2)))
	500	#define PRINTF_WHERE_LIKE(FCN) \
	501	void FCN (char file, unsigned int line, const char format, ...) \
	502	__attribute__ ((__format__ (__printf__, 3, 4)))
	503
	504	#else /* __GNUC__ < 2 \|\| defined(VMS) */
	505
	506	#define PRINTF_LIKE(FCN) void FCN (const char *format, ...)
	507	#define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, \
	508	unsigned int line, \
	509	const char *format, ...)
	510
	511	#endif /* __GNUC__ < 2 \|\| defined(VMS) */
	512
	513	#else /* ! USE_STDARG */
	514
	515	#define PRINTF_LIKE(FCN) void FCN ()
	516	#define PRINTF_WHERE_LIKE(FCN) void FCN ()
	517
	518	#endif /* ! USE_STDARG */
	519
	520	PRINTF_LIKE (as_bad);
	521	PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
	522	PRINTF_LIKE (as_tsktsk);
	523	PRINTF_LIKE (as_warn);
	524	PRINTF_WHERE_LIKE (as_bad_where);
	525	PRINTF_WHERE_LIKE (as_warn_where);
	526
	527	void as_assert (const char , int, const char );
	528	void as_abort (const char , int, const char ) ATTRIBUTE_NORETURN;
	529	void sprint_value (char *, addressT);
	530	int had_errors (void);
	531	int had_warnings (void);
	532	void as_warn_value_out_of_range (char , offsetT, offsetT, offsetT, char , unsigned);
	533	void as_bad_value_out_of_range (char , offsetT, offsetT, offsetT, char , unsigned);
	534	void print_version_id (void);
	535	char * app_push (void);
	536	char * atof_ieee (char , int, LITTLENUM_TYPE );
	537	char * ieee_md_atof (int, char , int , bfd_boolean);
	538	char * vax_md_atof (int, char , int );
	539	char * input_scrub_include_file (char , char );
	540	void input_scrub_insert_line (const char *);
	541	void input_scrub_insert_file (char *);
	542	char * input_scrub_new_file (char *);
	543	char * input_scrub_next_buffer (char **bufp);
	544	int do_scrub_chars (int (get) (char , int), char *, int);
	545	int gen_to_words (LITTLENUM_TYPE *, int, long);
	546	int had_err (void);
	547	int ignore_input (void);
	548	void cond_finish_check (int);
	549	void cond_exit_macro (int);
	550	int seen_at_least_1_file (void);
	551	void app_pop (char *);
	552	void as_where (char *, unsigned int );
	553	void bump_line_counters (void);
	554	void do_scrub_begin (int);
	555	void input_scrub_begin (void);
	556	void input_scrub_close (void);
	557	void input_scrub_end (void);
	558	int new_logical_line (char *, int);
	559	int new_logical_line_flags (char *, int, int);
	560	void subsegs_begin (void);
	561	void subseg_change (segT, int);
	562	segT subseg_new (const char *, subsegT);
	563	segT subseg_force_new (const char *, subsegT);
	564	void subseg_set (segT, subsegT);
	565	int subseg_text_p (segT);
	566	int seg_not_empty_p (segT);
	567	void start_dependencies (char *);
	568	void register_dependency (char *);
	569	void print_dependencies (void);
	570	segT subseg_get (const char *, int);
	571
	572	const char remap_debug_filename (const char );
	573	void add_debug_prefix_map (const char *);
	574
	575	struct expressionS;
	576	struct fix;
	577	typedef struct symbol symbolS;
	578	typedef struct frag fragS;
	579
	580	/* literal.c */
	581	valueT add_to_literal_pool (symbolS *, valueT, segT, int);
	582
	583	int check_eh_frame (struct expressionS , unsigned int );
	584	int eh_frame_estimate_size_before_relax (fragS *);
	585	int eh_frame_relax_frag (fragS *);
	586	void eh_frame_convert_frag (fragS *);
	587	int generic_force_reloc (struct fix *);
	588
	589	#include "expr.h" /* Before targ-.h /
	590
	591	/* This one starts the chain of target dependant headers. */
	592	#include "targ-env.h"
	593
	594	#ifdef OBJ_MAYBE_ELF
	595	#define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour)
	596	#else
	597	#ifdef OBJ_ELF
	598	#define IS_ELF 1
	599	#else
	600	#define IS_ELF 0
	601	#endif
	602	#endif
	603
	604	#include "write.h"
	605	#include "frags.h"
	606	#include "hash.h"
	607	#include "read.h"
	608	#include "symbols.h"
	609
	610	#include "tc.h"
	611	#include "obj.h"
	612
	613	#ifdef USE_EMULATIONS
	614	#include "emul.h"
	615	#endif
	616	#include "listing.h"
	617
	618	#ifdef TC_M68K
	619	/* True if we are assembling in m68k MRI mode. */
	620	COMMON int flag_m68k_mri;
	621	#define DOLLAR_AMBIGU flag_m68k_mri
	622	#else
	623	#define flag_m68k_mri 0
	624	#endif
	625
	626	#ifdef WARN_COMMENTS
	627	COMMON int warn_comment;
	628	COMMON unsigned int found_comment;
	629	COMMON char * found_comment_file;
	630	#endif
	631
	632	#ifndef DOLLAR_AMBIGU
	633	#define DOLLAR_AMBIGU 0
	634	#endif
	635
	636	#ifndef NUMBERS_WITH_SUFFIX
	637	#define NUMBERS_WITH_SUFFIX 0
	638	#endif
	639
	640	#ifndef LOCAL_LABELS_DOLLAR
	641	#define LOCAL_LABELS_DOLLAR 0
	642	#endif
	643
	644	#ifndef LOCAL_LABELS_FB
	645	#define LOCAL_LABELS_FB 0
	646	#endif
	647
	648	#ifndef LABELS_WITHOUT_COLONS
	649	#define LABELS_WITHOUT_COLONS 0
	650	#endif
	651
	652	#ifndef NO_PSEUDO_DOT
	653	#define NO_PSEUDO_DOT 0
	654	#endif
	655
	656	#ifndef TEXT_SECTION_NAME
	657	#define TEXT_SECTION_NAME ".text"
	658	#define DATA_SECTION_NAME ".data"
	659	#define BSS_SECTION_NAME ".bss"
	660	#endif
	661
	662	#ifndef OCTETS_PER_BYTE_POWER
	663	#define OCTETS_PER_BYTE_POWER 0
	664	#endif
	665	#ifndef OCTETS_PER_BYTE
	666	#define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
	667	#endif
	668	#if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
	669	#error "Octets per byte conflicts with its power-of-two definition!"
	670	#endif
	671
	672	#endif /* GAS */