/* as.h - global header file
- Copyright (C) 1987, 1990, 1991, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 98, 1999
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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
/* 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__
-# undef alloca
-# define alloca __builtin_alloca
+# ifndef alloca
+# ifdef __STDC__
+extern void *alloca ();
+# else
+extern char *alloca ();
+# endif
+# endif
#else
# if HAVE_ALLOCA_H
# include <alloca.h>
#pragma alloca
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
-char *alloca ();
-# endif
-# endif
-# endif
+# 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. */
#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
#include <sys/types.h>
#endif
-/* Some systems do declare this, but this seems to be the universal
- declaration, though the parameter type varies. (It ought to use
- `const' but many systems prototype it without.) Include it here
- for systems that don't declare it. If conflicts arise, just add
- another autoconf test... */
-extern char *strdup (/* const char * */);
-
#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 __PRETTY_FUNCTION__ ((char*)0)
#endif
#if 0
+
/* Handle lossage with assert.h. */
#ifndef BROKEN_ASSERT
#include <assert.h>
#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
#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 ();
#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
-#ifdef BFD_ASSEMBLER
-/* This one doesn't get declared, but we're using it anyways. This
- should be fixed -- either it's part of the external interface or
- it's not. */
-extern PTR bfd_alloc_by_size_t PARAMS ((bfd *abfd, size_t sz));
+/* 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. */
#define __FILE__ "unknown"
#endif /* __FILE__ */
-#ifndef __STDC__
-#ifndef const
-#define const
-#endif
-#ifndef volatile
-#define volatile
-#endif
-#endif /* ! __STDC__ */
-
-#if !defined (__GNUC__) && !defined (inline)
-#define inline
-#endif
-
#ifndef FOPEN_WB
#ifdef GO32
#include "fopen-bin.h"
#define xfree free
+#include "asintl.h"
+
#define BAD_CASE(val) \
{ \
- as_fatal("Case value %ld unexpected at line %d of file \"%s\"\n", \
+ as_fatal(_("Case value %ld unexpected at line %d of file \"%s\"\n"), \
(long) val, __LINE__, __FILE__); \
}
-
-/* Version 2.1 of Solaris had problems with this declaration, but I
- think that bug has since been fixed. If it causes problems on your
- system, just delete it. */
-extern char *strstr ();
\f
#include "flonum.h"
#ifdef MANY_SEGMENTS
#include "bfd.h"
-#define N_SEGMENTS 10
-#define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E9)
-#define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9
+#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)
#ifdef BFD_ASSEMBLER
#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG)
#else
-extern char *const seg_name[];
+extern char const *const seg_name[];
#define segment_name(SEG) seg_name[(int) (SEG)]
#endif
constant length frag. */
rs_fill = 1,
- /* Align: Fr_offset: power of 2. Variable chars: fill pattern. */
+ /* 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: fr_offset: power of 2. Fill pattern is machine
- specific, defaulting to all zeros. */
+ /* 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
later. Similar to rs_org, but different.
fr_symbol: operand
1 variable char: fill character */
- rs_space
+ 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;
Could be a problem, cross-assembling for 64-bit machines. */
typedef addressT relax_addressT;
\f
-
-/* frags.c */
-
-/*
- * A code fragment (frag) is some known number of chars, followed by some
- * unknown number of chars. Typically the unknown number of chars is an
- * instruction address whose size is yet unknown. We always know the greatest
- * possible size the unknown number of chars may become, and reserve that
- * much room at the end of the frag.
- * Once created, frags do not change address during assembly.
- * We chain the frags in (a) forward-linked list(s). The object-file address
- * of the 1st char of a frag is generally not known until after relax().
- * Many things at assembly time describe an address by {object-file-address
- * of a particular frag}+offset.
-
- BUG: it may be smarter to have a single pointer off to various different
- notes for different frag kinds. See how code pans
- */
-struct frag
-{
- /* Object file address. */
- addressT fr_address;
- /* Chain forward; ascending address order. Rooted in frch_root. */
- struct frag *fr_next;
-
- /* (Fixed) number of chars we know we have. May be 0. */
- offsetT fr_fix;
- /* (Variable) number of chars after above. May be 0. */
- offsetT fr_var;
- /* For variable-length tail. */
- struct symbol *fr_symbol;
- /* For variable-length tail. */
- offsetT fr_offset;
- /* Points to opcode low addr byte, for relaxation. */
- char *fr_opcode;
-
-#ifndef NO_LISTING
- struct list_info_struct *line;
-#endif
-
- /* What state is my tail in? */
- relax_stateT fr_type;
- relax_substateT fr_subtype;
-
- /* Track the alignment and offset of the current frag. With this,
- sometimes we can avoid creating new frags for .align directives. */
- unsigned short align_mask;
- unsigned short align_offset;
-
- /* These are needed only on the NS32K machines. But since we don't
- include targ-cpu.h until after this structure has been defined,
- we can't really conditionalize it. This code should be
- rearranged a bit to make that possible.
-
- In the meantime, if we get stuck like this with any other target,
- create a union here. */
- char fr_pcrel_adjust, fr_bsr;
-
- /* Data begins here. */
- char fr_literal[1];
-};
-
-#define SIZEOF_STRUCT_FRAG \
-((char *)zero_address_frag.fr_literal-(char *)&zero_address_frag)
-/* We want to say fr_literal[0] above. */
-
-typedef struct frag fragS;
-
-/* Current frag we are building. This frag is incomplete. It is, however,
- included in frchain_now. The fr_fix field is bogus; instead, use:
- obstack_next_free(&frags)-frag_now->fr_literal. */
-COMMON fragS *frag_now;
-extern int frag_now_fix ();
-
-/* For foreign-segment symbol fixups. */
-COMMON fragS zero_address_frag;
-/* For local common (N_BSS segment) fixups. */
-COMMON fragS bss_address_frag;
-
/* 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 unsigned char flag_keep_locals; /* -L */
+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 unsigned char flag_no_warnings; /* -W */
+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 produce a listing. */
extern int listing;
+/* Type of debugging information we should generate. We currently
+ support stabs, ECOFF, and DWARF2. */
+
+enum debug_info_type
+ {
+ DEBUG_UNSPECIFIED,
+ DEBUG_NONE,
+ DEBUG_STABS,
+ DEBUG_ECOFF,
+ DEBUG_DWARF,
+ DEBUG_DWARF2
+ };
+
+extern enum debug_info_type debug_type;
+\f
+/* 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 '.' */
- char *poc_name;
+ const char *poc_name;
/* Do the work */
void (*poc_handler) PARAMS ((int));
/* Value to pass to handler */
#endif
#ifdef USE_STDARG
-#if __GNUC__ >= 2
+#if (__GNUC__ >= 2) && !defined(VMS)
/* for use with -Wformat */
-#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 /* ANSI C with stdarg, but not GNU C */
+
+#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
-#else /* not using stdarg */
+
+#endif /* __GNUC__ < 2 || defined(VMS) */
+
+#else /* ! USE_STDARG */
+
#define PRINTF_LIKE(FCN) void FCN ()
#define PRINTF_WHERE_LIKE(FCN) void FCN ()
-#endif
+
+#endif /* ! USE_STDARG */
PRINTF_LIKE (as_bad);
PRINTF_LIKE (as_fatal);
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));
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));
-PTR xmalloc PARAMS ((unsigned long size));
-PTR xrealloc PARAMS ((PTR ptr, unsigned long n));
-int do_scrub_next_char PARAMS ((int (*get) (void), void (*unget) (int)));
+int do_scrub_chars PARAMS ((int (*get) (char *, int), 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));
-int scrub_from_file PARAMS ((void));
-int scrub_from_string 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 ((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));
-void new_logical_line PARAMS ((char *fname, int line_number));
-void scrub_to_file PARAMS ((int ch));
-void scrub_to_string PARAMS ((int ch));
+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));
#ifdef BFD_ASSEMBLER
segT subseg_get PARAMS ((const char *, int));
#endif
+int subseg_text_p PARAMS ((segT));
+
+void start_dependencies PARAMS ((char *));
+void register_dependency PARAMS ((char *));
+void print_dependencies PARAMS ((void));
struct expressionS;
struct fix;
-struct symbol;
+typedef struct symbol symbolS;
+struct relax_type;
+typedef struct frag fragS;
#ifdef BFD_ASSEMBLER
/* literal.c */
-valueT add_to_literal_pool PARAMS ((struct symbol *, valueT, segT, int));
+valueT add_to_literal_pool PARAMS ((symbolS *, 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 "tc.h"
#include "obj.h"
+#ifdef USE_EMULATIONS
+#include "emul.h"
+#endif
#include "listing.h"
-#ifdef BFD_ASSEMBLER
-/* Someday perhaps this will be selectable at run-time. */
-#if defined (OBJ_AOUT) || defined (OBJ_BOUT)
-#define OUTPUT_FLAVOR bfd_target_aout_flavour
-#endif
-#ifdef OBJ_COFF
-#define OUTPUT_FLAVOR bfd_target_coff_flavour
+#ifndef LOCAL_LABELS_DOLLAR
+#define LOCAL_LABELS_DOLLAR 0
#endif
-#ifdef OBJ_ECOFF
-#define OUTPUT_FLAVOR bfd_target_ecoff_flavour
+
+#ifndef LOCAL_LABELS_FB
+#define LOCAL_LABELS_FB 0
#endif
-#ifdef OBJ_ELF
-#define OUTPUT_FLAVOR bfd_target_elf_flavour
+
+#ifndef TEXT_SECTION_NAME
+#define TEXT_SECTION_NAME ".text"
+#define DATA_SECTION_NAME ".data"
+#define BSS_SECTION_NAME ".bss"
#endif
-#endif /* BFD_ASSEMBLER */
#endif /* GAS */
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