[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/* I think this stuff is largely out of date.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 *) NULL)
#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_MEMPCPY
void *mempcpy(void *, const void *, size_t);
#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)	do {} while (0)	/* 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 *) NULL)
	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_MEMPCPY
	153	void mempcpy(void , const void *, size_t);
	154	#endif
	155
	156	#if !HAVE_DECL_VSNPRINTF
	157	extern int vsnprintf(char , size_t, const char , va_list);
	158	#endif
	159
	160	/* This is needed for VMS. */
	161	#if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
	162	#define unlink remove
	163	#endif
	164
	165	/* Hack to make "gcc -Wall" not complain about obstack macros. */
	166	#if !defined (memcpy) && !defined (bcopy)
	167	#define bcopy(src,dest,size) memcpy (dest, src, size)
	168	#endif
	169
	170	/* Make Saber happier on obstack.h. */
	171	#ifdef SABER
	172	#undef __PTR_TO_INT
	173	#define __PTR_TO_INT(P) ((int) (P))
	174	#undef __INT_TO_PTR
	175	#define __INT_TO_PTR(P) ((char *) (P))
	176	#endif
	177
	178	#ifndef __LINE__
	179	#define __LINE__ "unknown"
	180	#endif /* __LINE__ */
	181
	182	#ifndef __FILE__
	183	#define __FILE__ "unknown"
	184	#endif /* __FILE__ */
	185
	186	#ifndef FOPEN_WB
	187	#ifdef USE_BINARY_FOPEN
	188	#include "fopen-bin.h"
	189	#else
	190	#include "fopen-same.h"
	191	#endif
	192	#endif
	193
	194	#ifndef EXIT_SUCCESS
	195	#define EXIT_SUCCESS 0
	196	#define EXIT_FAILURE 1
	197	#endif
	198
	199	#ifndef SEEK_SET
	200	#define SEEK_SET 0
	201	#endif
	202
	203	#define obstack_chunk_alloc xmalloc
	204	#define obstack_chunk_free xfree
	205
	206	#define xfree free
	207
	208	#include "asintl.h"
	209
	210	#define BAD_CASE(val) \
	211	{ \
	212	as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"), \
	213	(long) val, __LINE__, __FILE__); \
	214	}
	215	\f
	216	#include "flonum.h"
	217
	218	/* These are assembler-wide concepts */
	219
	220	extern bfd *stdoutput;
	221	typedef bfd_vma addressT;
	222	typedef bfd_signed_vma offsetT;
	223
	224	/* Type of symbol value, etc. For use in prototypes. */
	225	typedef addressT valueT;
	226
	227	#ifndef COMMON
	228	#ifdef TEST
	229	#define COMMON /* Declare our COMMONs storage here. */
	230	#else
	231	#define COMMON extern /* Our commons live elsewhere. */
	232	#endif
	233	#endif
	234	/* COMMON now defined */
	235
	236	#ifndef ENABLE_CHECKING
	237	#define ENABLE_CHECKING 0
	238	#endif
	239
	240	#if ENABLE_CHECKING \|\| defined (DEBUG)
	241	#ifndef know
	242	#define know(p) gas_assert(p) /* Verify our assumptions! */
	243	#endif /* not yet defined */
	244	#else
	245	#define know(p) do {} while (0) /* know() checks are no-op.ed */
	246	#endif
	247	\f
	248	/* input_scrub.c */
	249
	250	/* Supplies sanitised buffers to read.c.
	251	Also understands printing line-number part of error messages. */
	252	\f
	253	/* subsegs.c Sub-segments. Also, segment(=expression type)s.*/
	254
	255	typedef asection *segT;
	256	#define SEG_NORMAL(SEG) ( (SEG) != absolute_section \
	257	&& (SEG) != undefined_section \
	258	&& (SEG) != reg_section \
	259	&& (SEG) != expr_section)
	260	typedef int subsegT;
	261
	262	/* What subseg we are accessing now? */
	263	COMMON subsegT now_subseg;
	264
	265	/* Segment our instructions emit to. */
	266	COMMON segT now_seg;
	267
	268	#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG)
	269
	270	extern segT reg_section, expr_section;
	271	/* Shouldn't these be eliminated someday? */
	272	extern segT text_section, data_section, bss_section;
	273	#define absolute_section bfd_abs_section_ptr
	274	#define undefined_section bfd_und_section_ptr
	275
	276	enum _relax_state
	277	{
	278	/* Dummy frag used by listing code. */
	279	rs_dummy = 0,
	280
	281	/* Variable chars to be repeated fr_offset times.
	282	Fr_symbol unused. Used with fr_offset == 0 for a
	283	constant length frag. */
	284	rs_fill,
	285
	286	/* Align. The fr_offset field holds the power of 2 to which to
	287	align. The fr_var field holds the number of characters in the
	288	fill pattern. The fr_subtype field holds the maximum number of
	289	bytes to skip when aligning, or 0 if there is no maximum. */
	290	rs_align,
	291
	292	/* Align code. The fr_offset field holds the power of 2 to which
	293	to align. This type is only generated by machine specific
	294	code, which is normally responsible for handling the fill
	295	pattern. The fr_subtype field holds the maximum number of
	296	bytes to skip when aligning, or 0 if there is no maximum. */
	297	rs_align_code,
	298
	299	/* Test for alignment. Like rs_align, but used by several targets
	300	to warn if data is not properly aligned. */
	301	rs_align_test,
	302
	303	/* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
	304	character. */
	305	rs_org,
	306
	307	#ifndef WORKING_DOT_WORD
	308	/* JF: gunpoint */
	309	rs_broken_word,
	310	#endif
	311
	312	/* Machine specific relaxable (or similarly alterable) instruction. */
	313	rs_machine_dependent,
	314
	315	/* .space directive with expression operand that needs to be computed
	316	later. Similar to rs_org, but different.
	317	fr_symbol: operand
	318	1 variable char: fill character */
	319	rs_space,
	320
	321	/* A DWARF leb128 value; only ELF uses this. The subtype is 0 for
	322	unsigned, 1 for signed. */
	323	rs_leb128,
	324
	325	/* Exception frame information which we may be able to optimize. */
	326	rs_cfa,
	327
	328	/* Cross-fragment dwarf2 line number optimization. */
	329	rs_dwarf2dbg
	330	};
	331
	332	typedef enum _relax_state relax_stateT;
	333
	334	/* This type is used in prototypes, so it can't be a type that will be
	335	widened for argument passing. */
	336	typedef unsigned int relax_substateT;
	337
	338	/* Enough bits for address, but still an integer type.
	339	Could be a problem, cross-assembling for 64-bit machines. */
	340	typedef addressT relax_addressT;
	341
	342	struct relax_type
	343	{
	344	/* Forward reach. Signed number. > 0. */
	345	offsetT rlx_forward;
	346	/* Backward reach. Signed number. < 0. */
	347	offsetT rlx_backward;
	348
	349	/* Bytes length of this address. */
	350	unsigned char rlx_length;
	351
	352	/* Next longer relax-state. 0 means there is no 'next' relax-state. */
	353	relax_substateT rlx_more;
	354	};
	355
	356	typedef struct relax_type relax_typeS;
	357	\f
	358	/* main program "as.c" (command arguments etc). */
	359
	360	COMMON unsigned char flag_no_comments; /* -f */
	361	COMMON unsigned char flag_debug; /* -D */
	362	COMMON unsigned char flag_signed_overflow_ok; /* -J */
	363	#ifndef WORKING_DOT_WORD
	364	COMMON unsigned char flag_warn_displacement; /* -K */
	365	#endif
	366
	367	/* True if local symbols should be retained. */
	368	COMMON int flag_keep_locals; /* -L */
	369
	370	/* True if we are assembling in MRI mode. */
	371	COMMON int flag_mri;
	372
	373	/* Should the data section be made read-only and appended to the text
	374	section? */
	375	COMMON unsigned char flag_readonly_data_in_text; /* -R */
	376
	377	/* True if warnings should be inhibited. */
	378	COMMON int flag_no_warnings; /* -W */
	379
	380	/* True if warnings count as errors. */
	381	COMMON int flag_fatal_warnings; /* --fatal-warnings */
	382
	383	/* True if we should attempt to generate output even if non-fatal errors
	384	are detected. */
	385	COMMON unsigned char flag_always_generate_output; /* -Z */
	386
	387	/* This is true if the assembler should output time and space usage. */
	388	COMMON unsigned char flag_print_statistics;
	389
	390	/* True if local absolute symbols are to be stripped. */
	391	COMMON int flag_strip_local_absolute;
	392
	393	/* True if we should generate a traditional format object file. */
	394	COMMON int flag_traditional_format;
	395
	396	/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
	397	COMMON int flag_execstack;
	398
	399	/* TRUE if .note.GNU-stack section with SEC_CODE should be created */
	400	COMMON int flag_noexecstack;
	401
	402	/* name of emitted object file */
	403	COMMON char *out_file_name;
	404
	405	/* name of file defining extensions to the basic instruction set */
	406	COMMON char *insttbl_file_name;
	407
	408	/* TRUE if we need a second pass. */
	409	COMMON int need_pass_2;
	410
	411	/* TRUE if we should do no relaxing, and
	412	leave lots of padding. */
	413	COMMON int linkrelax;
	414
	415	/* TRUE if we should produce a listing. */
	416	extern int listing;
	417
	418	/* Type of debugging information we should generate. We currently support
	419	stabs, ECOFF, and DWARF2.
	420
	421	NOTE! This means debug information about the assembly source code itself
	422	and _not_ about possible debug information from a high-level language.
	423	This is especially relevant to DWARF2, since the compiler may emit line
	424	number directives that the assembler resolves. */
	425
	426	enum debug_info_type
	427	{
	428	DEBUG_UNSPECIFIED,
	429	DEBUG_NONE,
	430	DEBUG_STABS,
	431	DEBUG_ECOFF,
	432	DEBUG_DWARF,
	433	DEBUG_DWARF2
	434	};
	435
	436	extern enum debug_info_type debug_type;
	437	extern int use_gnu_debug_info_extensions;
	438	\f
	439	/* Maximum level of macro nesting. */
	440	extern int max_macro_nest;
	441
	442	/* Verbosity level. */
	443	extern int verbose;
	444
	445	/* Obstack chunk size. Keep large for efficient space use, make small to
	446	increase malloc calls for monitoring memory allocation. */
	447	extern int chunksize;
	448
	449	struct _pseudo_type
	450	{
	451	/* assembler mnemonic, lower case, no '.' */
	452	const char *poc_name;
	453	/* Do the work */
	454	void (*poc_handler) (int);
	455	/* Value to pass to handler */
	456	int poc_val;
	457	};
	458
	459	typedef struct _pseudo_type pseudo_typeS;
	460
	461	#ifdef USE_STDARG
	462	#if (__GNUC__ >= 2) && !defined(VMS)
	463	/* for use with -Wformat */
	464
	465	#if __GNUC__ == 2 && __GNUC_MINOR__ < 6
	466	/* Support for double underscores in attribute names was added in gcc
	467	2.6, so avoid them if we are using an earlier version. */
	468	#define __printf__ printf
	469	#define __format__ format
	470	#endif
	471
	472	#define PRINTF_LIKE(FCN) \
	473	void FCN (const char *format, ...) \
	474	__attribute__ ((__format__ (__printf__, 1, 2)))
	475	#define PRINTF_WHERE_LIKE(FCN) \
	476	void FCN (char file, unsigned int line, const char format, ...) \
	477	__attribute__ ((__format__ (__printf__, 3, 4)))
	478
	479	#else /* __GNUC__ < 2 \|\| defined(VMS) */
	480
	481	#define PRINTF_LIKE(FCN) void FCN (const char *format, ...)
	482	#define PRINTF_WHERE_LIKE(FCN) void FCN (char *file, \
	483	unsigned int line, \
	484	const char *format, ...)
	485
	486	#endif /* __GNUC__ < 2 \|\| defined(VMS) */
	487
	488	#else /* ! USE_STDARG */
	489
	490	#define PRINTF_LIKE(FCN) void FCN ()
	491	#define PRINTF_WHERE_LIKE(FCN) void FCN ()
	492
	493	#endif /* ! USE_STDARG */
	494
	495	PRINTF_LIKE (as_bad);
	496	PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
	497	PRINTF_LIKE (as_tsktsk);
	498	PRINTF_LIKE (as_warn);
	499	PRINTF_WHERE_LIKE (as_bad_where);
	500	PRINTF_WHERE_LIKE (as_warn_where);
	501
	502	void as_assert (const char , int, const char );
	503	void as_abort (const char , int, const char ) ATTRIBUTE_NORETURN;
	504	void sprint_value (char *, addressT);
	505	int had_errors (void);
	506	int had_warnings (void);
	507	void as_warn_value_out_of_range (char , offsetT, offsetT, offsetT, char , unsigned);
	508	void as_bad_value_out_of_range (char , offsetT, offsetT, offsetT, char , unsigned);
	509	void print_version_id (void);
	510	char * app_push (void);
	511	char * atof_ieee (char , int, LITTLENUM_TYPE );
	512	char * ieee_md_atof (int, char , int , bfd_boolean);
	513	char * vax_md_atof (int, char , int );
	514	char * input_scrub_include_file (char , char );
	515	void input_scrub_insert_line (const char *);
	516	void input_scrub_insert_file (char *);
	517	char * input_scrub_new_file (char *);
	518	char * input_scrub_next_buffer (char **bufp);
	519	int do_scrub_chars (int (get) (char , int), char *, int);
	520	int gen_to_words (LITTLENUM_TYPE *, int, long);
	521	int had_err (void);
	522	int ignore_input (void);
	523	void cond_finish_check (int);
	524	void cond_exit_macro (int);
	525	int seen_at_least_1_file (void);
	526	void app_pop (char *);
	527	void as_where (char *, unsigned int );
	528	void bump_line_counters (void);
	529	void do_scrub_begin (int);
	530	void input_scrub_begin (void);
	531	void input_scrub_close (void);
	532	void input_scrub_end (void);
	533	int new_logical_line (char *, int);
	534	int new_logical_line_flags (char *, int, int);
	535	void subsegs_begin (void);
	536	void subseg_change (segT, int);
	537	segT subseg_new (const char *, subsegT);
	538	segT subseg_force_new (const char *, subsegT);
	539	void subseg_set (segT, subsegT);
	540	int subseg_text_p (segT);
	541	int seg_not_empty_p (segT);
	542	void start_dependencies (char *);
	543	void register_dependency (char *);
	544	void print_dependencies (void);
	545	segT subseg_get (const char *, int);
	546
	547	const char remap_debug_filename (const char );
	548	void add_debug_prefix_map (const char *);
	549
	550	struct expressionS;
	551	struct fix;
	552	typedef struct symbol symbolS;
	553	typedef struct frag fragS;
	554
	555	/* literal.c */
	556	valueT add_to_literal_pool (symbolS *, valueT, segT, int);
	557
	558	int check_eh_frame (struct expressionS , unsigned int );
	559	int eh_frame_estimate_size_before_relax (fragS *);
	560	int eh_frame_relax_frag (fragS *);
	561	void eh_frame_convert_frag (fragS *);
	562	int generic_force_reloc (struct fix *);
	563
	564	#include "expr.h" /* Before targ-.h /
	565
	566	/* This one starts the chain of target dependant headers. */
	567	#include "targ-env.h"
	568
	569	#ifdef OBJ_MAYBE_ELF
	570	#define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour)
	571	#else
	572	#ifdef OBJ_ELF
	573	#define IS_ELF 1
	574	#else
	575	#define IS_ELF 0
	576	#endif
	577	#endif
	578
	579	#include "write.h"
	580	#include "frags.h"
	581	#include "hash.h"
	582	#include "read.h"
	583	#include "symbols.h"
	584
	585	#include "tc.h"
	586	#include "obj.h"
	587
	588	#ifdef USE_EMULATIONS
	589	#include "emul.h"
	590	#endif
	591	#include "listing.h"
	592
	593	#ifdef H_TICK_HEX
	594	extern int enable_h_tick_hex;
	595	#endif
	596
	597	#ifdef TC_M68K
	598	/* True if we are assembling in m68k MRI mode. */
	599	COMMON int flag_m68k_mri;
	600	#define DOLLAR_AMBIGU flag_m68k_mri
	601	#else
	602	#define flag_m68k_mri 0
	603	#endif
	604
	605	#ifdef WARN_COMMENTS
	606	COMMON int warn_comment;
	607	COMMON unsigned int found_comment;
	608	COMMON char * found_comment_file;
	609	#endif
	610
	611	#ifndef DOLLAR_AMBIGU
	612	#define DOLLAR_AMBIGU 0
	613	#endif
	614
	615	#ifndef NUMBERS_WITH_SUFFIX
	616	#define NUMBERS_WITH_SUFFIX 0
	617	#endif
	618
	619	#ifndef LOCAL_LABELS_DOLLAR
	620	#define LOCAL_LABELS_DOLLAR 0
	621	#endif
	622
	623	#ifndef LOCAL_LABELS_FB
	624	#define LOCAL_LABELS_FB 0
	625	#endif
	626
	627	#ifndef LABELS_WITHOUT_COLONS
	628	#define LABELS_WITHOUT_COLONS 0
	629	#endif
	630
	631	#ifndef NO_PSEUDO_DOT
	632	#define NO_PSEUDO_DOT 0
	633	#endif
	634
	635	#ifndef TEXT_SECTION_NAME
	636	#define TEXT_SECTION_NAME ".text"
	637	#define DATA_SECTION_NAME ".data"
	638	#define BSS_SECTION_NAME ".bss"
	639	#endif
	640
	641	#ifndef OCTETS_PER_BYTE_POWER
	642	#define OCTETS_PER_BYTE_POWER 0
	643	#endif
	644	#ifndef OCTETS_PER_BYTE
	645	#define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
	646	#endif
	647	#if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
	648	#error "Octets per byte conflicts with its power-of-two definition!"
	649	#endif
	650
	651	#endif /* GAS */