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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /gas/as.h
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19990502 sourceware importbinu_ss_19990502
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+/* as.h - global header file
+ Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 1998
+ 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+ * I think this stuff is largely out of date.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"
+
+/* 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 #undef for DJ Delorie. The right fix is to ensure that as.h
+ is included first, before even any system header files, in all files
+ that use it. KR 1994.11.03 */
+/* 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 */
+
+/* AIX requires this to be the first thing in the file. */
+#ifdef __GNUC__
+# ifndef alloca
+# ifdef __STDC__
+extern void *alloca ();
+# else
+extern char *alloca ();
+# endif
+# endif
+#else
+# if HAVE_ALLOCA_H
+# include <alloca.h>
+# else
+# ifdef _AIX
+ #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
+
+/* Now, tend to the rest of the configuration. */
+
+/* System include files first... */
+#include <stdio.h>
+#include <ctype.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.
+ 170 gives the standard options room to grow. */
+#define OPTION_MD_BASE 170
+
+#ifdef DEBUG
+#undef NDEBUG
+#endif
+#if !defined (__GNUC__) || __GNUC_MINOR__ <= 5
+#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
+#ifdef GO32
+#include "fopen-bin.h"
+#else
+#include "fopen-same.h"
+#endif
+#endif
+
+#ifndef EXIT_SUCCESS
+#define EXIT_SUCCESS 0
+#define EXIT_FAILURE 1
+#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 elswhere */
+#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 accreting 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,
+
+ /* 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
+ };
+
+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;
+
+/* True if we are assembling in m68k MRI mode. */
+COMMON int flag_m68k_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 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;
+
+/* 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
+ only support stabs and ECOFF. */
+
+enum debug_info_type
+ {
+ DEBUG_UNSPECIFIED,
+ DEBUG_NONE,
+ DEBUG_STABS,
+ DEBUG_ECOFF,
+ DEBUG_DWARF,
+ DEBUG_DWARF2
+ };
+
+extern enum debug_info_type debug_type;
+
+/* Maximum level of macro nesting. */
+extern int max_macro_nest;
+
+/* 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) PARAMS ((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_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 PARAMS ((const char *format, ...))
+#define PRINTF_WHERE_LIKE(FCN) void FCN PARAMS ((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);
+PRINTF_LIKE (as_tsktsk);
+PRINTF_LIKE (as_warn);
+PRINTF_WHERE_LIKE (as_bad_where);
+PRINTF_WHERE_LIKE (as_warn_where);
+
+void as_assert PARAMS ((const char *, int, const char *));
+void as_abort PARAMS ((const char *, int, const char *));
+
+void fprint_value PARAMS ((FILE *file, addressT value));
+void sprint_value PARAMS ((char *buf, addressT value));
+
+int had_errors PARAMS ((void));
+int had_warnings PARAMS ((void));
+
+void print_version_id PARAMS ((void));
+char *app_push PARAMS ((void));
+char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words));
+char *input_scrub_include_file PARAMS ((char *filename, char *position));
+char *input_scrub_new_file PARAMS ((char *filename));
+char *input_scrub_next_buffer PARAMS ((char **bufp));
+int do_scrub_chars PARAMS ((int (*get) (char **), char *to, int tolen));
+int gen_to_words PARAMS ((LITTLENUM_TYPE * words, int precision,
+ long exponent_bits));
+int had_err PARAMS ((void));
+int ignore_input PARAMS ((void));
+void cond_finish_check PARAMS ((int));
+void cond_exit_macro PARAMS ((int));
+int seen_at_least_1_file PARAMS ((void));
+void app_pop PARAMS ((char *arg));
+void as_howmuch PARAMS ((FILE * stream));
+void as_perror PARAMS ((const char *gripe, const char *filename));
+void as_where PARAMS ((char **namep, unsigned int *linep));
+void bump_line_counters PARAMS ((void));
+void do_scrub_begin PARAMS ((int));
+void input_scrub_begin PARAMS ((void));
+void input_scrub_close PARAMS ((void));
+void input_scrub_end PARAMS ((void));
+int new_logical_line PARAMS ((char *fname, int line_number));
+void subsegs_begin PARAMS ((void));
+void subseg_change PARAMS ((segT seg, int subseg));
+segT subseg_new PARAMS ((const char *name, subsegT subseg));
+segT subseg_force_new PARAMS ((const char *name, subsegT subseg));
+void subseg_set PARAMS ((segT seg, subsegT subseg));
+#ifdef BFD_ASSEMBLER
+segT subseg_get PARAMS ((const char *, int));
+#endif
+
+void start_dependencies PARAMS ((char *));
+void register_dependency PARAMS ((char *));
+void print_dependencies PARAMS ((void));
+
+struct expressionS;
+struct fix;
+struct symbol;
+struct relax_type;
+typedef struct frag fragS;
+
+#ifdef BFD_ASSEMBLER
+/* literal.c */
+valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int));
+#endif
+
+int check_eh_frame PARAMS ((struct expressionS *, unsigned int *));
+int eh_frame_estimate_size_before_relax PARAMS ((fragS *));
+int eh_frame_relax_frag PARAMS ((fragS *));
+void eh_frame_convert_frag PARAMS ((fragS *));
+
+#include "expr.h" /* Before targ-*.h */
+
+/* this one starts the chain of target dependant headers */
+#include "targ-env.h"
+
+#include "struc-symbol.h"
+#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"
+
+#ifndef LOCAL_LABELS_DOLLAR
+#define LOCAL_LABELS_DOLLAR 0
+#endif
+
+#ifndef LOCAL_LABELS_FB
+#define LOCAL_LABELS_FB 0
+#endif
+
+#ifndef TEXT_SECTION_NAME
+#define TEXT_SECTION_NAME ".text"
+#define DATA_SECTION_NAME ".data"
+#define BSS_SECTION_NAME ".bss"
+#endif
+
+#endif /* GAS */
+
+/* end of as.h */