[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, 2008, 2009
   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/* I think this stuff is largely out of date.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 "alloca-conf.h"

/* 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 gas_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 void *malloc ();
extern void *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) gas_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 H_TICK_HEX
extern int enable_h_tick_hex;
#endif

#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, 2008, 2009
	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 "alloca-conf.h"
	40
	41	/* Prefer varargs for non-ANSI compiler, since some will barf if the
	42	ellipsis definition is used with a no-arguments declaration. */
	43	#if defined (HAVE_VARARGS_H) && !defined (__STDC__)
	44	#undef HAVE_STDARG_H
	45	#endif
	46
	47	#if defined (HAVE_STDARG_H)
	48	#define USE_STDARG
	49	#endif
	50	#if !defined (USE_STDARG) && defined (HAVE_VARARGS_H)
	51	#define USE_VARARGS
	52	#endif
	53
	54	/* Now, tend to the rest of the configuration. */
	55
	56	/* System include files first... */
	57	#include <stdio.h>
	58	#ifdef HAVE_STRING_H
	59	#include <string.h>
	60	#else
	61	#ifdef HAVE_STRINGS_H
	62	#include <strings.h>
	63	#endif
	64	#endif
	65	#ifdef HAVE_STDLIB_H
	66	#include <stdlib.h>
	67	#endif
	68	#ifdef HAVE_UNISTD_H
	69	#include <unistd.h>
	70	#endif
	71	#ifdef HAVE_SYS_TYPES_H
	72	/* for size_t, pid_t */
	73	#include <sys/types.h>
	74	#endif
	75
	76	#ifdef HAVE_ERRNO_H
	77	#include <errno.h>
	78	#endif
	79
	80	#ifdef USE_STDARG
	81	#include <stdarg.h>
	82	#endif
	83
	84	#ifdef USE_VARARGS
	85	#include <varargs.h>
	86	#endif
	87
	88	#if !defined (USE_STDARG) && !defined (USE_VARARGS)
	89	/* Roll our own. */
	90	#define va_alist REST
	91	#define va_dcl
	92	typedef int * va_list;
	93	#define va_start(ARGS) ARGS = &REST
	94	#define va_end(ARGS)
	95	#endif
	96
	97	#include "getopt.h"
	98	/* The first getopt value for machine-independent long options.
	99	150 isn't special; it's just an arbitrary non-ASCII char value. */
	100	#define OPTION_STD_BASE 150
	101	/* The first getopt value for machine-dependent long options.
	102	190 gives the standard options room to grow. */
	103	#define OPTION_MD_BASE 190
	104
	105	#ifdef DEBUG
	106	#undef NDEBUG
	107	#endif
	108	#if __GNUC__ < 2 \|\| (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
	109	#define __PRETTY_FUNCTION__ ((char*)0)
	110	#endif
	111	#define gas_assert(P) \
	112	((void) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0)))
	113	#undef abort
	114	#define abort() as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
	115
	116	/* Now GNU header files... */
	117	#include "ansidecl.h"
	118	#include "bfd.h"
	119	#include "libiberty.h"
	120
	121	/* Define the standard progress macros. */
	122	#include "progress.h"
	123
	124	/* This doesn't get taken care of anywhere. */
	125	#ifndef __MWERKS__ /* Metrowerks C chokes on the "defined (inline)" */
	126	#if !defined (__GNUC__) && !defined (inline)
	127	#define inline
	128	#endif
	129	#endif /* !__MWERKS__ */
	130
	131	/* Other stuff from config.h. */
	132	#ifdef NEED_DECLARATION_ENVIRON
	133	extern char **environ;
	134	#endif
	135	#ifdef NEED_DECLARATION_ERRNO
	136	extern int errno;
	137	#endif
	138	#ifdef NEED_DECLARATION_FFS
	139	extern int ffs (int);
	140	#endif
	141	#ifdef NEED_DECLARATION_FREE
	142	extern void free ();
	143	#endif
	144	#ifdef NEED_DECLARATION_MALLOC
	145	extern void *malloc ();
	146	extern void *realloc ();
	147	#endif
	148	#ifdef NEED_DECLARATION_STRSTR
	149	extern char *strstr ();
	150	#endif
	151
	152	#if !HAVE_DECL_VSNPRINTF
	153	extern int vsnprintf(char , size_t, const char , va_list);
	154	#endif
	155
	156	/* This is needed for VMS. */
	157	#if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
	158	#define unlink remove
	159	#endif
	160
	161	/* Hack to make "gcc -Wall" not complain about obstack macros. */
	162	#if !defined (memcpy) && !defined (bcopy)
	163	#define bcopy(src,dest,size) memcpy (dest, src, size)
	164	#endif
	165
	166	/* Make Saber happier on obstack.h. */
	167	#ifdef SABER
	168	#undef __PTR_TO_INT
	169	#define __PTR_TO_INT(P) ((int) (P))
	170	#undef __INT_TO_PTR
	171	#define __INT_TO_PTR(P) ((char *) (P))
	172	#endif
	173
	174	#ifndef __LINE__
	175	#define __LINE__ "unknown"
	176	#endif /* __LINE__ */
	177
	178	#ifndef __FILE__
	179	#define __FILE__ "unknown"
	180	#endif /* __FILE__ */
	181
	182	#ifndef FOPEN_WB
	183	#ifdef USE_BINARY_FOPEN
	184	#include "fopen-bin.h"
	185	#else
	186	#include "fopen-same.h"
	187	#endif
	188	#endif
	189
	190	#ifndef EXIT_SUCCESS
	191	#define EXIT_SUCCESS 0
	192	#define EXIT_FAILURE 1
	193	#endif
	194
	195	#ifndef SEEK_SET
	196	#define SEEK_SET 0
	197	#endif
	198
	199	#define obstack_chunk_alloc xmalloc
	200	#define obstack_chunk_free xfree
	201
	202	#define xfree free
	203
	204	#include "asintl.h"
	205
	206	#define BAD_CASE(val) \
	207	{ \
	208	as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"), \
	209	(long) val, __LINE__, __FILE__); \
	210	}
	211	\f
	212	#include "flonum.h"
	213
	214	/* These are assembler-wide concepts */
	215
	216	extern bfd *stdoutput;
	217	typedef bfd_vma addressT;
	218	typedef bfd_signed_vma offsetT;
	219
	220	/* Type of symbol value, etc. For use in prototypes. */
	221	typedef addressT valueT;
	222
	223	#ifndef COMMON
	224	#ifdef TEST
	225	#define COMMON /* Declare our COMMONs storage here. */
	226	#else
	227	#define COMMON extern /* Our commons live elsewhere. */
	228	#endif
	229	#endif
	230	/* COMMON now defined */
	231
	232	#ifndef ENABLE_CHECKING
	233	#define ENABLE_CHECKING 0
	234	#endif
	235
	236	#if ENABLE_CHECKING \|\| defined (DEBUG)
	237	#ifndef know
	238	#define know(p) gas_assert(p) /* Verify our assumptions! */
	239	#endif /* not yet defined */
	240	#else
	241	#define know(p) /* know() checks are no-op.ed */
	242	#endif
	243	\f
	244	/* input_scrub.c */
	245
	246	/* Supplies sanitised buffers to read.c.
	247	Also understands printing line-number part of error messages. */
	248	\f
	249	/* subsegs.c Sub-segments. Also, segment(=expression type)s.*/
	250
	251	typedef asection *segT;
	252	#define SEG_NORMAL(SEG) ( (SEG) != absolute_section \
	253	&& (SEG) != undefined_section \
	254	&& (SEG) != reg_section \
	255	&& (SEG) != expr_section)
	256	typedef int subsegT;
	257
	258	/* What subseg we are accessing now? */
	259	COMMON subsegT now_subseg;
	260
	261	/* Segment our instructions emit to. */
	262	COMMON segT now_seg;
	263
	264	#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG)
	265
	266	extern segT reg_section, expr_section;
	267	/* Shouldn't these be eliminated someday? */
	268	extern segT text_section, data_section, bss_section;
	269	#define absolute_section bfd_abs_section_ptr
	270	#define undefined_section bfd_und_section_ptr
	271
	272	enum _relax_state
	273	{
	274	/* Dummy frag used by listing code. */
	275	rs_dummy = 0,
	276
	277	/* Variable chars to be repeated fr_offset times.
	278	Fr_symbol unused. Used with fr_offset == 0 for a
	279	constant length frag. */
	280	rs_fill,
	281
	282	/* Align. The fr_offset field holds the power of 2 to which to
	283	align. The fr_var field holds the number of characters in the
	284	fill pattern. The fr_subtype field holds the maximum number of
	285	bytes to skip when aligning, or 0 if there is no maximum. */
	286	rs_align,
	287
	288	/* Align code. The fr_offset field holds the power of 2 to which
	289	to align. This type is only generated by machine specific
	290	code, which is normally responsible for handling the fill
	291	pattern. The fr_subtype field holds the maximum number of
	292	bytes to skip when aligning, or 0 if there is no maximum. */
	293	rs_align_code,
	294
	295	/* Test for alignment. Like rs_align, but used by several targets
	296	to warn if data is not properly aligned. */
	297	rs_align_test,
	298
	299	/* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
	300	character. */
	301	rs_org,
	302
	303	#ifndef WORKING_DOT_WORD
	304	/* JF: gunpoint */
	305	rs_broken_word,
	306	#endif
	307
	308	/* Machine specific relaxable (or similarly alterable) instruction. */
	309	rs_machine_dependent,
	310
	311	/* .space directive with expression operand that needs to be computed
	312	later. Similar to rs_org, but different.
	313	fr_symbol: operand
	314	1 variable char: fill character */
	315	rs_space,
	316
	317	/* A DWARF leb128 value; only ELF uses this. The subtype is 0 for
	318	unsigned, 1 for signed. */
	319	rs_leb128,
	320
	321	/* Exception frame information which we may be able to optimize. */
	322	rs_cfa,
	323
	324	/* Cross-fragment dwarf2 line number optimization. */
	325	rs_dwarf2dbg
	326	};
	327
	328	typedef enum _relax_state relax_stateT;
	329
	330	/* This type is used in prototypes, so it can't be a type that will be
	331	widened for argument passing. */
	332	typedef unsigned int relax_substateT;
	333
	334	/* Enough bits for address, but still an integer type.
	335	Could be a problem, cross-assembling for 64-bit machines. */
	336	typedef addressT relax_addressT;
	337
	338	struct relax_type
	339	{
	340	/* Forward reach. Signed number. > 0. */
	341	offsetT rlx_forward;
	342	/* Backward reach. Signed number. < 0. */
	343	offsetT rlx_backward;
	344
	345	/* Bytes length of this address. */
	346	unsigned char rlx_length;
	347
	348	/* Next longer relax-state. 0 means there is no 'next' relax-state. */
	349	relax_substateT rlx_more;
	350	};
	351
	352	typedef struct relax_type relax_typeS;
	353	\f
	354	/* main program "as.c" (command arguments etc). */
	355
	356	COMMON unsigned char flag_no_comments; /* -f */
	357	COMMON unsigned char flag_debug; /* -D */
	358	COMMON unsigned char flag_signed_overflow_ok; /* -J */
	359	#ifndef WORKING_DOT_WORD
	360	COMMON unsigned char flag_warn_displacement; /* -K */
	361	#endif
	362
	363	/* True if local symbols should be retained. */
	364	COMMON int flag_keep_locals; /* -L */
	365
	366	/* True if we are assembling in MRI mode. */
	367	COMMON int flag_mri;
	368
	369	/* Should the data section be made read-only and appended to the text
	370	section? */
	371	COMMON unsigned char flag_readonly_data_in_text; /* -R */
	372
	373	/* True if warnings should be inhibited. */
	374	COMMON int flag_no_warnings; /* -W */
	375
	376	/* True if warnings count as errors. */
	377	COMMON int flag_fatal_warnings; /* --fatal-warnings */
	378
	379	/* True if we should attempt to generate output even if non-fatal errors
	380	are detected. */
	381	COMMON unsigned char flag_always_generate_output; /* -Z */
	382
	383	/* This is true if the assembler should output time and space usage. */
	384	COMMON unsigned char flag_print_statistics;
	385
	386	/* True if local absolute symbols are to be stripped. */
	387	COMMON int flag_strip_local_absolute;
	388
	389	/* True if we should generate a traditional format object file. */
	390	COMMON int flag_traditional_format;
	391
	392	/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
	393	COMMON int flag_execstack;
	394
	395	/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
	396	COMMON int flag_noexecstack;
	397
	398	/* name of emitted object file */
	399	COMMON char *out_file_name;
	400
	401	/* name of file defining extensions to the basic instruction set */
	402	COMMON char *insttbl_file_name;
	403
	404	/* TRUE if we need a second pass. */
	405	COMMON int need_pass_2;
	406
	407	/* TRUE if we should do no relaxing, and
	408	leave lots of padding. */
	409	COMMON int linkrelax;
	410
	411	/* TRUE if we should produce a listing. */
	412	extern int listing;
	413
	414	/* Type of debugging information we should generate. We currently support
	415	stabs, ECOFF, and DWARF2.
	416
	417	NOTE! This means debug information about the assembly source code itself
	418	and _not_ about possible debug information from a high-level language.
	419	This is especially relevant to DWARF2, since the compiler may emit line
	420	number directives that the assembler resolves. */
	421
	422	enum debug_info_type
	423	{
	424	DEBUG_UNSPECIFIED,
	425	DEBUG_NONE,
	426	DEBUG_STABS,
	427	DEBUG_ECOFF,
	428	DEBUG_DWARF,
	429	DEBUG_DWARF2
	430	};
	431
	432	extern enum debug_info_type debug_type;
	433	extern int use_gnu_debug_info_extensions;
	434	\f
	435	/* Maximum level of macro nesting. */
	436	extern int max_macro_nest;
	437
	438	/* Verbosity level. */
	439	extern int verbose;
	440
	441	/* Obstack chunk size. Keep large for efficient space use, make small to
	442	increase malloc calls for monitoring memory allocation. */
	443	extern int chunksize;
	444
	445	struct _pseudo_type
	446	{
	447	/* assembler mnemonic, lower case, no '.' */
	448	const char *poc_name;
	449	/* Do the work */
	450	void (*poc_handler) (int);
	451	/* Value to pass to handler */
	452	int poc_val;
	453	};
	454
	455	typedef struct _pseudo_type pseudo_typeS;
	456
	457	#ifdef USE_STDARG
	458	#if (__GNUC__ >= 2) && !defined(VMS)
	459	/* for use with -Wformat */
	460
	461	#if __GNUC__ == 2 && __GNUC_MINOR__ < 6
	462	/* Support for double underscores in attribute names was added in gcc
	463	2.6, so avoid them if we are using an earlier version. */
	464	#define __printf__ printf
	465	#define __format__ format
	466	#endif
	467
	468	#define PRINTF_LIKE(FCN) \
	469	void FCN (const char *format, ...) \
	470	__attribute__ ((__format__ (__printf__, 1, 2)))
	471	#define PRINTF_WHERE_LIKE(FCN) \
	472	void FCN (char file, unsigned int line, const char format, ...) \
	473	__attribute__ ((__format__ (__printf__, 3, 4)))
	474
	475	#else /* __GNUC__ < 2 \|\| defined(VMS) */
	476
	477	#define PRINTF_LIKE(FCN) void FCN (const char *format, ...)
	478	#define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, \
	479	unsigned int line, \
	480	const char *format, ...)
	481
	482	#endif /* __GNUC__ < 2 \|\| defined(VMS) */
	483
	484	#else /* ! USE_STDARG */
	485
	486	#define PRINTF_LIKE(FCN) void FCN ()
	487	#define PRINTF_WHERE_LIKE(FCN) void FCN ()
	488
	489	#endif /* ! USE_STDARG */
	490
	491	PRINTF_LIKE (as_bad);
	492	PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
	493	PRINTF_LIKE (as_tsktsk);
	494	PRINTF_LIKE (as_warn);
	495	PRINTF_WHERE_LIKE (as_bad_where);
	496	PRINTF_WHERE_LIKE (as_warn_where);
	497
	498	void as_assert (const char , int, const char );
	499	void as_abort (const char , int, const char ) ATTRIBUTE_NORETURN;
	500	void sprint_value (char *, addressT);
	501	int had_errors (void);
	502	int had_warnings (void);
	503	void as_warn_value_out_of_range (char , offsetT, offsetT, offsetT, char , unsigned);
	504	void as_bad_value_out_of_range (char , offsetT, offsetT, offsetT, char , unsigned);
	505	void print_version_id (void);
	506	char * app_push (void);
	507	char * atof_ieee (char , int, LITTLENUM_TYPE );
	508	char * ieee_md_atof (int, char , int , bfd_boolean);
	509	char * vax_md_atof (int, char , int );
	510	char * input_scrub_include_file (char , char );
	511	void input_scrub_insert_line (const char *);
	512	void input_scrub_insert_file (char *);
	513	char * input_scrub_new_file (char *);
	514	char * input_scrub_next_buffer (char **bufp);
	515	int do_scrub_chars (int (get) (char , int), char *, int);
	516	int gen_to_words (LITTLENUM_TYPE *, int, long);
	517	int had_err (void);
	518	int ignore_input (void);
	519	void cond_finish_check (int);
	520	void cond_exit_macro (int);
	521	int seen_at_least_1_file (void);
	522	void app_pop (char *);
	523	void as_where (char *, unsigned int );
	524	void bump_line_counters (void);
	525	void do_scrub_begin (int);
	526	void input_scrub_begin (void);
	527	void input_scrub_close (void);
	528	void input_scrub_end (void);
	529	int new_logical_line (char *, int);
	530	int new_logical_line_flags (char *, int, int);
	531	void subsegs_begin (void);
	532	void subseg_change (segT, int);
	533	segT subseg_new (const char *, subsegT);
	534	segT subseg_force_new (const char *, subsegT);
	535	void subseg_set (segT, subsegT);
	536	int subseg_text_p (segT);
	537	int seg_not_empty_p (segT);
	538	void start_dependencies (char *);
	539	void register_dependency (char *);
	540	void print_dependencies (void);
	541	segT subseg_get (const char *, int);
	542
	543	const char remap_debug_filename (const char );
	544	void add_debug_prefix_map (const char *);
	545
	546	struct expressionS;
	547	struct fix;
	548	typedef struct symbol symbolS;
	549	typedef struct frag fragS;
	550
	551	/* literal.c */
	552	valueT add_to_literal_pool (symbolS *, valueT, segT, int);
	553
	554	int check_eh_frame (struct expressionS , unsigned int );
	555	int eh_frame_estimate_size_before_relax (fragS *);
	556	int eh_frame_relax_frag (fragS *);
	557	void eh_frame_convert_frag (fragS *);
	558	int generic_force_reloc (struct fix *);
	559
	560	#include "expr.h" /* Before targ-.h /
	561
	562	/* This one starts the chain of target dependant headers. */
	563	#include "targ-env.h"
	564
	565	#ifdef OBJ_MAYBE_ELF
	566	#define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour)
	567	#else
	568	#ifdef OBJ_ELF
	569	#define IS_ELF 1
	570	#else
	571	#define IS_ELF 0
	572	#endif
	573	#endif
	574
	575	#include "write.h"
	576	#include "frags.h"
	577	#include "hash.h"
	578	#include "read.h"
	579	#include "symbols.h"
	580
	581	#include "tc.h"
	582	#include "obj.h"
	583
	584	#ifdef USE_EMULATIONS
	585	#include "emul.h"
	586	#endif
	587	#include "listing.h"
	588
	589	#ifdef H_TICK_HEX
	590	extern int enable_h_tick_hex;
	591	#endif
	592
	593	#ifdef TC_M68K
	594	/* True if we are assembling in m68k MRI mode. */
	595	COMMON int flag_m68k_mri;
	596	#define DOLLAR_AMBIGU flag_m68k_mri
	597	#else
	598	#define flag_m68k_mri 0
	599	#endif
	600
	601	#ifdef WARN_COMMENTS
	602	COMMON int warn_comment;
	603	COMMON unsigned int found_comment;
	604	COMMON char * found_comment_file;
	605	#endif
	606
	607	#ifndef DOLLAR_AMBIGU
	608	#define DOLLAR_AMBIGU 0
	609	#endif
	610
	611	#ifndef NUMBERS_WITH_SUFFIX
	612	#define NUMBERS_WITH_SUFFIX 0
	613	#endif
	614
	615	#ifndef LOCAL_LABELS_DOLLAR
	616	#define LOCAL_LABELS_DOLLAR 0
	617	#endif
	618
	619	#ifndef LOCAL_LABELS_FB
	620	#define LOCAL_LABELS_FB 0
	621	#endif
	622
	623	#ifndef LABELS_WITHOUT_COLONS
	624	#define LABELS_WITHOUT_COLONS 0
	625	#endif
	626
	627	#ifndef NO_PSEUDO_DOT
	628	#define NO_PSEUDO_DOT 0
	629	#endif
	630
	631	#ifndef TEXT_SECTION_NAME
	632	#define TEXT_SECTION_NAME ".text"
	633	#define DATA_SECTION_NAME ".data"
	634	#define BSS_SECTION_NAME ".bss"
	635	#endif
	636
	637	#ifndef OCTETS_PER_BYTE_POWER
	638	#define OCTETS_PER_BYTE_POWER 0
	639	#endif
	640	#ifndef OCTETS_PER_BYTE
	641	#define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
	642	#endif
	643	#if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
	644	#error "Octets per byte conflicts with its power-of-two definition!"
	645	#endif
	646
	647	#endif /* GAS */