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/* as.h - global header file

   Copyright (C) 1987-2015 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/* I think this stuff is largely out of date.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"

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

/* System include files first...  */

#include 

#ifdef STRING_WITH_STRINGS

#include 

#include 

#else

#ifdef HAVE_STRING_H

#include 

#else

#ifdef HAVE_STRINGS_H

#include 

#endif

#endif

#endif

#ifdef HAVE_STDLIB_H

#include 

#endif

#ifdef HAVE_UNISTD_H

#include 

#endif

#ifdef HAVE_SYS_TYPES_H

/* for size_t, pid_t */

#include 

#endif

#ifdef HAVE_ERRNO_H

#include 

#endif

#include 

#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__);				    \

  }

#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

/* input_scrub.c */

/* Supplies sanitised buffers to read.c.

   Also understands printing line-number part of error messages.  */

/* 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;

/* 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;

/* Type of compressed debug sections we should generate.   */

COMMON enum compressed_debug_section_type flag_compress_debug;

/* 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;

COMMON bfd_boolean flag_dwarf_sections;

/* 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;

#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) */

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);

size_t do_scrub_chars (size_t (*get) (char *, size_t), char *, size_t);

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

#if defined OBJ_ELF || defined OBJ_MAYBE_ELF

/* If .size directive failure should be error or warning.  */

COMMON enum

  {

    size_check_error = 0,

    size_check_warning

  }

flag_size_check;

/* If section name substitution sequences should be honored */

COMMON int flag_sectname_subst;

#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<

#endif

#if OCTETS_PER_BYTE != (1<

 #error "Octets per byte conflicts with its power-of-two definition!"

#endif

#endif /* GAS */