/* as.h - global header file
- Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 1996
+ Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 1997
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
/* 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>
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
# if !defined (__STDC__) && !defined (__hpux)
-char *alloca ();
+extern char *alloca ();
# else
-void *alloca ();
+extern void *alloca ();
# endif /* __STDC__, __hpux */
# endif /* alloca */
# endif /* _AIX */
#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 BFD_ASSEMBLER
#include <bfd.h>
#endif
+#include <libiberty.h>
/* Define the standard progress macros. */
#include <progress.h>
#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 ();
extern int errno;
#endif
-/* This is needed for VMS. */
-#if ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
+/* This is needed for VMS with DEC C. */
+#if ! defined (__GNUC__) && ! defined (HAVE_UNLINK) && defined (HAVE_REMOVE)
#define unlink remove
#endif
#define bcopy(src,dest,size) memcpy(dest,src,size)
#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));
-#endif
-
/* Make Saber happier on obstack.h. */
#ifdef SABER
#undef __PTR_TO_INT
#define __FILE__ "unknown"
#endif /* __FILE__ */
-#ifndef __STDC__
-#ifndef const
-#define const
-#endif
-#ifndef volatile
-#define volatile
-#endif
-#endif /* ! __STDC__ */
-
#ifndef FOPEN_WB
#ifdef GO32
#include "fopen-bin.h"
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"
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
};
typedef enum _relax_state relax_stateT;
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. */
relax_stateT fr_type;
relax_substateT fr_subtype;
- /* 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;
+ union {
+ /* 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. */
+ struct {
+ struct frag *fr_opcode_fragP;
+ unsigned int fr_opcode_offset;
+ char fr_bsr;
+ } fr_ns32k;
+#ifdef USING_CGEN
+ /* Don't include this unless using CGEN to keep frag size down. */
+ struct {
+ const struct cgen_insn *insn;
+ unsigned char opindex, opinfo;
+ } cgen;
+#endif
+ } fr_targ;
+
+ /* Where the frag was created, or where it became a variant frag. */
+ char *fr_file;
+ unsigned int fr_line;
/* Data begins here. */
char fr_literal[1];
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. */
+/* Current frag we are building. This frag is incomplete. It is,
+ however, included in frchain_now. The fr_fix field is bogus;
+ instead, use frag_now_fix (). */
COMMON fragS *frag_now;
-extern int frag_now_fix ();
+extern int frag_now_fix PARAMS ((void));
/* For foreign-segment symbol fixups. */
COMMON fragS zero_address_frag;
/* 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
+ only support stabs and ECOFF. */
+
+enum debug_info_type { DEBUG_NONE, DEBUG_STABS, DEBUG_ECOFF };
+
+extern enum debug_info_type debug_type;
+
/* Maximum level of macro nesting. */
extern int max_macro_nest;
#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)))
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_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 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));
+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_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;