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freebsd-nq/gas/as.h

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Flatten vendor/binutils/dist.
2009-05-06 05:08:22 +00:00
/* as.h - global header file
Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
Import the binutils-2_15-branch from the sourceware CVS repository, exactly as it was on Sun, 23 May 2004 04:40:32 +0000. Corresponds to git commit 242eda977694c559d7d21626702034c13d745597.
2010-10-17 21:56:26 +00:00
1999, 2000, 2001, 2002, 2003
Flatten vendor/binutils/dist.
2009-05-06 05:08:22 +00:00
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 2, 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, 59 Temple Place - Suite 330, Boston, MA
02111-1307, 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/* I think this stuff is largely out of date.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"
#include "bin-bugs.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__ */
/* 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
#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
#if 0
/* Handle lossage with assert.h. */
#ifndef BROKEN_ASSERT
#include <assert.h>
#else /* BROKEN_ASSERT */
#ifndef NDEBUG
#define assert(p) ((p) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))
#else
#define assert(p) ((p), 0)
#endif
#endif /* BROKEN_ASSERT */
#else
#define assert(P) ((P) ? 0 : (as_assert (__FILE__, __LINE__, __PRETTY_FUNCTION__), 0))
#undef abort
#define abort() as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
#endif
/* Now GNU header files... */
#include "ansidecl.h"
#ifdef BFD_ASSEMBLER
#include "bfd.h"
#endif
#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_STRSTR
extern char *strstr ();
#endif
#ifdef NEED_DECLARATION_MALLOC
extern PTR malloc ();
extern PTR realloc ();
#endif
#ifdef NEED_DECLARATION_FREE
extern void free ();
#endif
#ifdef NEED_DECLARATION_ERRNO
extern int errno;
#endif
#ifdef NEED_DECLARATION_ENVIRON
extern char **environ;
#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
#if defined GO32 || defined __MINGW32__
#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 */
#ifdef BFD_ASSEMBLER
extern bfd *stdoutput;
typedef bfd_vma addressT;
typedef bfd_signed_vma offsetT;
#else
typedef unsigned long addressT;
typedef long offsetT;
#endif
/* 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 */
#ifdef 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
/* 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.*/
#ifndef BFD_ASSEMBLER
#ifdef MANY_SEGMENTS
#include "bfd.h"
#define N_SEGMENTS 40
#define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E39)
#define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9,\
SEG_E10,SEG_E11,SEG_E12,SEG_E13,SEG_E14,SEG_E15,SEG_E16,SEG_E17,SEG_E18,SEG_E19,\
SEG_E20,SEG_E21,SEG_E22,SEG_E23,SEG_E24,SEG_E25,SEG_E26,SEG_E27,SEG_E28,SEG_E29,\
SEG_E30,SEG_E31,SEG_E32,SEG_E33,SEG_E34,SEG_E35,SEG_E36,SEG_E37,SEG_E38,SEG_E39
#define SEG_TEXT SEG_E0
#define SEG_DATA SEG_E1
#define SEG_BSS SEG_E2
#define SEG_LAST SEG_E39
#else
#define N_SEGMENTS 3
#define SEG_NORMAL(x) ((x) == SEG_TEXT || (x) == SEG_DATA || (x) == SEG_BSS)
#define SEG_LIST SEG_TEXT,SEG_DATA,SEG_BSS
#endif
typedef enum _segT {
SEG_ABSOLUTE = 0,
SEG_LIST,
SEG_UNKNOWN,
SEG_GOOF, /* Only happens if AS has a logic error. */
/* Invented so we don't crash printing */
/* error message involving weird segment. */
SEG_EXPR, /* Intermediate expression values. */
SEG_DEBUG, /* Debug segment */
SEG_NTV, /* Transfert vector preload segment */
SEG_PTV, /* Transfert vector postload segment */
SEG_REGISTER /* Mythical: a register-valued expression */
} segT;
#define SEG_MAXIMUM_ORDINAL (SEG_REGISTER)
#else
typedef asection *segT;
#define SEG_NORMAL(SEG) ((SEG) != absolute_section \
&& (SEG) != undefined_section \
&& (SEG) != reg_section \
&& (SEG) != expr_section)
#endif
typedef int subsegT;
/* What subseg we are accessing now? */
COMMON subsegT now_subseg;
/* Segment our instructions emit to. */
COMMON segT now_seg;
#ifdef BFD_ASSEMBLER
#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG)
#else
extern char const *const seg_name[];
#define segment_name(SEG) seg_name[(int) (SEG)]
#endif
#ifndef BFD_ASSEMBLER
extern int section_alignment[];
#endif
#ifdef BFD_ASSEMBLER
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
#else
#define reg_section SEG_REGISTER
#define expr_section SEG_EXPR
#define text_section SEG_TEXT
#define data_section SEG_DATA
#define bss_section SEG_BSS
#define absolute_section SEG_ABSOLUTE
#define undefined_section SEG_UNKNOWN
#endif
/* relax() */
enum _relax_state {
/* Variable chars to be repeated fr_offset times.
Fr_symbol unused. Used with fr_offset == 0 for a
constant length frag. */
rs_fill = 1,
/* 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;
/* 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;
/* 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;
/* 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
#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 fprint_value (FILE *file, addressT value);
void sprint_value (char *buf, addressT value);
int had_errors (void);
int had_warnings (void);
void print_version_id (void);
char *app_push (void);
char *atof_ieee (char *str, int what_kind, LITTLENUM_TYPE * words);
char *input_scrub_include_file (char *filename, char *position);
extern void input_scrub_insert_line (const char *line);
extern void input_scrub_insert_file (char *path);
char *input_scrub_new_file (char *filename);
char *input_scrub_next_buffer (char **bufp);
int do_scrub_chars (int (*get) (char *, int), char *to, int tolen);
int gen_to_words (LITTLENUM_TYPE * words, int precision,
long exponent_bits);
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 *arg);
void as_howmuch (FILE * stream);
void as_perror (const char *gripe, const char *filename);
void as_where (char **namep, unsigned int *linep);
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 *fname, int line_number);
void subsegs_begin (void);
void subseg_change (segT seg, int subseg);
segT subseg_new (const char *name, subsegT subseg);
segT subseg_force_new (const char *name, subsegT subseg);
void subseg_set (segT seg, subsegT subseg);
#ifdef BFD_ASSEMBLER
segT subseg_get (const char *, int);
#endif
int subseg_text_p (segT);
void start_dependencies (char *);
void register_dependency (char *);
void print_dependencies (void);
struct expressionS;
struct fix;
typedef struct symbol symbolS;
struct relax_type;
typedef struct frag fragS;
#ifdef BFD_ASSEMBLER
/* literal.c */
valueT add_to_literal_pool (symbolS *, valueT, segT, int);
#endif
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;
#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 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 */
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