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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
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19990502 sourceware importbinu_ss_19990502
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+/* itbl-ops.h
+ Copyright (C) 1997 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. */
+
+/* External functions, constants and defines for itbl support */
+
+#include "ansidecl.h"
+
+/* Include file notes: "expr.h" needed before targ-*.h,
+ * "targ-env.h" includes the chain of target dependant headers,
+ * "targ-cpu.h" has the HAVE_ITBL_CPU define, and
+ * as.h includes them all */
+#include "as.h"
+
+#ifdef HAVE_ITBL_CPU
+#include "itbl-cpu.h"
+#endif
+
+/* Defaults for definitions required by generic code */
+#ifndef ITBL_NUMBER_OF_PROCESSORS
+#define ITBL_NUMBER_OF_PROCESSORS 1
+#endif
+
+#ifndef ITBL_MAX_BITPOS
+#define ITBL_MAX_BITPOS 31
+#endif
+
+#ifndef ITBL_TYPE
+#define ITBL_TYPE unsigned long
+#endif
+
+#ifndef ITBL_IS_INSN
+#define ITBL_IS_INSN(insn) 1
+#endif
+
+#ifndef ITBL_DECODE_PNUM
+#define ITBL_DECODE_PNUM(insn) 0
+#endif
+
+#ifndef ITBL_ENCODE_PNUM
+#define ITBL_ENCODE_PNUM(pnum) 0
+#endif
+
+typedef ITBL_TYPE t_insn;
+
+/* types of entries */
+typedef enum
+ {
+ e_insn,
+ e_dreg,
+ e_regtype0 = e_dreg,
+ e_creg,
+ e_greg,
+ e_addr,
+ e_nregtypes = e_greg + 1,
+ e_immed,
+ e_ntypes,
+ e_invtype /* invalid type */
+ } e_type;
+
+typedef enum
+ {
+ e_p0,
+ e_nprocs = NUMBER_OF_PROCESSORS,
+ e_invproc /* invalid processor */
+ } e_processor;
+
+/* 0 means an instruction table was not specified. */
+extern int itbl_have_entries;
+
+/* These routines are visible to the main part of the assembler */
+
+int itbl_parse PARAMS ((char *insntbl));
+void itbl_init PARAMS ((void));
+char *itbl_get_field PARAMS ((char **s));
+unsigned long itbl_assemble PARAMS ((char *name, char *operands));
+int itbl_disassemble PARAMS ((char *str, unsigned long insn));
+int itbl_parse PARAMS ((char *tbl)); /* parses insn tbl */
+unsigned long itbl_get_reg_val PARAMS ((char *name));
+unsigned long itbl_get_val PARAMS ((e_processor processor, e_type type,
+ char *name));
+char *itbl_get_name PARAMS ((e_processor processor, e_type type,
+ unsigned long val));
+
+/* These routines are called by the table parser used to build the
+ dynamic list of new processor instructions and registers. */
+
+struct itbl_entry *itbl_add_reg PARAMS ((int yyproc, int yytype,
+ char *regname, int regnum));
+struct itbl_entry *itbl_add_insn PARAMS ((int yyproc, char *name,
+ unsigned long value, int sbit, int ebit, unsigned long flags));
+struct itbl_field *itbl_add_operand PARAMS ((struct itbl_entry * e, int yytype,
+ int sbit, int ebit, unsigned long flags));