/* Header file for targets using CGEN: Cpu tools GENerator.
-Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
+Free Software Foundation, Inc.
This file is part of GDB, the GNU debugger, and the GNU Binutils.
Perhaps the definition of bfd_vma can be moved outside of bfd.h.
Or perhaps one could duplicate its definition in another file.
Until such time, this file conditionally compiles definitions that require
- bfd_vma using BFD_VERSION. */
+ bfd_vma using __BFD_H_SEEN__. */
/* Enums must be defined before they can be used.
Allow them to be used in struct definitions, even though the enum must
const char *bfd_name;
/* one of enum mach_attr */
int num;
+ /* parameter from mach->cpu */
+ unsigned int insn_chunk_bitsize;
} CGEN_MACH;
\f
/* Parse result (also extraction result).
PC is the pc value of the insn.
The result is an error message or NULL if success. */
-#ifdef BFD_VERSION
+#ifdef __BFD_H_SEEN__
typedef const char * (cgen_insert_fn)
PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *insn_,
CGEN_FIELDS *fields_, CGEN_INSN_BYTES_PTR insnp_,
PC is the pc value of the insn.
The result is the length of the insn in bits or zero if not recognized. */
-#ifdef BFD_VERSION
+#ifdef __BFD_H_SEEN__
typedef int (cgen_extract_fn)
PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *insn_,
CGEN_EXTRACT_INFO *ex_info_, CGEN_INSN_INT base_insn_,
PC is the pc value of the insn.
LEN is the length of the insn, in bits. */
-#ifdef BFD_VERSION
+#ifdef __BFD_H_SEEN__
typedef void (cgen_print_fn)
PARAMS ((CGEN_CPU_DESC, PTR info_, const CGEN_INSN *insn_,
CGEN_FIELDS *fields_, bfd_vma pc_, int len_));
CGEN_PARSE_OPERAND_RESULT_ERROR
};
-#ifdef BFD_VERSION /* Don't require bfd.h unnecessarily. */
+#ifdef __BFD_H_SEEN__ /* Don't require bfd.h unnecessarily. */
typedef const char * (cgen_parse_operand_fn)
PARAMS ((CGEN_CPU_DESC,
enum cgen_parse_operand_type, const char **, int, int,
extern const CGEN_HW_ENTRY * cgen_hw_lookup_by_name
PARAMS ((CGEN_CPU_DESC, const char *));
extern const CGEN_HW_ENTRY * cgen_hw_lookup_by_num
- PARAMS ((CGEN_CPU_DESC, int));
+ PARAMS ((CGEN_CPU_DESC, unsigned int));
/* This struct is used to describe things like register names, etc. */
/* Pointer to null keyword "" entry if present. */
const CGEN_KEYWORD_ENTRY *null_entry;
+
+ /* String containing non-alphanumeric characters used
+ in keywords.
+ At present, the highest number of entries used is 1. */
+ char nonalpha_chars[8];
} CGEN_KEYWORD;
/* Structure used for searching. */
extern const char *cgen_parse_keyword
PARAMS ((CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *));
-#ifdef BFD_VERSION /* Don't require bfd.h unnecessarily. */
+#ifdef __BFD_H_SEEN__ /* Don't require bfd.h unnecessarily. */
extern const char *cgen_parse_signed_integer
PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
extern const char *cgen_parse_unsigned_integer
/* "nil" indicator for the operand instance table */
#define CGEN_OPERAND_NIL CGEN_OPERAND_MAX
+/* A tree of these structs represents the multi-ifield
+ structure of an operand's hw-index value, if it exists. */
+
+struct cgen_ifld;
+
+typedef struct cgen_maybe_multi_ifield
+{
+ int count; /* 0: indexed by single cgen_ifld (possibly null: dead entry);
+ n: indexed by array of more cgen_maybe_multi_ifields. */
+ union
+ {
+ const PTR p;
+ const struct cgen_maybe_multi_ifield * multi;
+ const struct cgen_ifld * leaf;
+ } val;
+}
+CGEN_MAYBE_MULTI_IFLD;
+
/* This struct defines each entry in the operand table. */
typedef struct
May be unused for a modifier. */
unsigned char length;
+ /* The (possibly-multi) ifield used as an index for this operand, if it
+ is indexed by a field at all. This substitutes / extends the start and
+ length fields above, but unsure at this time whether they are used
+ anywhere. */
+ CGEN_MAYBE_MULTI_IFLD index_fields;
#if 0 /* ??? Interesting idea but relocs tend to get too complicated,
and ABI dependent, for simple table lookups to work. */
/* Ideally this would be the internal (external?) reloc type. */
the data is recorded in the parse/insert/extract/print switch statements. */
/* This should be at least as large as necessary for any target. */
-#define CGEN_MAX_SYNTAX_BYTES 40
+#define CGEN_MAX_SYNTAX_ELEMENTS 48
/* A target may know its own precise maximum. Assert that it falls below
the above limit. */
-#ifdef CGEN_ACTUAL_MAX_SYNTAX_BYTES
-#if CGEN_ACTUAL_MAX_SYNTAX_BYTES > CGEN_MAX_SYNTAX_BYTES
-#error "CGEN_ACTUAL_MAX_SYNTAX_BYTES too high - enlarge CGEN_MAX_SYNTAX_BYTES"
+#ifdef CGEN_ACTUAL_MAX_SYNTAX_ELEMENTS
+#if CGEN_ACTUAL_MAX_SYNTAX_ELEMENTS > CGEN_MAX_SYNTAX_ELEMENTS
+#error "CGEN_ACTUAL_MAX_SYNTAX_ELEMENTS too high - enlarge CGEN_MAX_SYNTAX_ELEMENTS"
#endif
#endif
+typedef unsigned short CGEN_SYNTAX_CHAR_TYPE;
typedef struct
{
- unsigned char syntax[CGEN_MAX_SYNTAX_BYTES];
+ CGEN_SYNTAX_CHAR_TYPE syntax[CGEN_MAX_SYNTAX_ELEMENTS];
} CGEN_SYNTAX;
#define CGEN_SYNTAX_STRING(syn) (syn->syntax)
#define CGEN_SYNTAX_CHAR_P(c) ((c) < 128)
-#define CGEN_SYNTAX_CHAR(c) (c)
+#define CGEN_SYNTAX_CHAR(c) ((unsigned char)c)
#define CGEN_SYNTAX_FIELD(c) ((c) - 128)
#define CGEN_SYNTAX_MAKE_FIELD(c) ((c) + 128)
const CGEN_IBASE *base;
const CGEN_OPCODE *opcode;
const CGEN_OPINST *opinst;
+
+ /* Regex to disambiguate overloaded opcodes */
+ void *rx;
+#define CGEN_INSN_RX(insn) ((insn)->rx)
+#define CGEN_MAX_RX_ELEMENTS (CGEN_MAX_SYNTAX_ELEMENTS * 5)
};
/* Instruction lists.
lazily fetch the data from there. */
unsigned int word_bitsize;
+ /* Instruction chunk size (in bits), for purposes of endianness
+ conversion. */
+ unsigned int insn_chunk_bitsize;
+
/* Indicator if sizes are unknown.
This is used by default_insn_bitsize,base_insn_bitsize if there is a
difference between the selected isa's. */
const char * (*parse_operand)
PARAMS ((CGEN_CPU_DESC, int opindex_, const char **,
CGEN_FIELDS *fields_));
-#ifdef BFD_VERSION
+#ifdef __BFD_H_SEEN__
const char * (*insert_operand)
PARAMS ((CGEN_CPU_DESC, int opindex_, CGEN_FIELDS *fields_,
CGEN_INSN_BYTES_PTR, bfd_vma pc_));
PARAMS ((CGEN_CPU_DESC, int opindex_, const CGEN_FIELDS *fields_));
void (*set_int_operand)
PARAMS ((CGEN_CPU_DESC, int opindex_, CGEN_FIELDS *fields_, int value_));
-#ifdef BFD_VERSION
+#ifdef __BFD_H_SEEN__
bfd_vma (*get_vma_operand)
PARAMS ((CGEN_CPU_DESC, int opindex_, const CGEN_FIELDS *fields_));
void (*set_vma_operand)
extern void CGEN_SYM (init_opcode_table) PARAMS ((CGEN_CPU_DESC cd_));
+/* build the insn selection regex.
+ called by init_opcode_table */
+
+extern char * CGEN_SYM(build_insn_regex) PARAMS ((CGEN_INSN *insn_));
+
/* Initialize the ibld table for use.
Called by init_asm/init_dis. */