

/* Opcode table for the Hexagon.
   Copyright 2004 Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and
   the GNU Binutils.

   GAS/GDB 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/GDB 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 or GDB; see the file COPYING.	If not, write to
   the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#ifndef OPCODES_HEXAGON_H
#define OPCODES_HEXAGON_H 1

/* List of the various cpu types.
   The tables currently use bit masks to say whether the instruction or
   whatever is supported by a particular cpu.  This lets us have one entry
   apply to several cpus.

   The `base' cpu must be 0. The cpu type is treated independently of
   endianness. The complete `mach' number includes endianness.
   These values are internal to opcodes/bfd/binutils/gas.  */
#define HEXAGON_MACH    0
#define HEXAGON_MACH_V2 2
#define HEXAGON_MACH_V3 3
#define HEXAGON_MACH_V4 4
#define HEXAGON_MACH_V5 5
/* Additional cpu values can be inserted here and HEXAGON_MACH_BIG moved down.  */
#define HEXAGON_MACH_BIG 16

/* Mask of number of bits necessary to record cpu type.  */
#define HEXAGON_MACH_CPU_MASK (HEXAGON_MACH_BIG - 1)
/* Mask of number of bits necessary to record cpu type + endianness.  */
#define HEXAGON_MACH_MASK ((HEXAGON_MACH_BIG << 1) - 1)

/* Qualifier for several table entries. */
#define HEXAGON_IS_V2     (1 << 31)
#define HEXAGON_IS_V3     (1 << 30)
#define HEXAGON_IS_V4     (1 << 29)
#define HEXAGON_IS_V5     (1 << 28)
#define HEXAGON_V2_AND_V3 (HEXAGON_IS_V3 | HEXAGON_IS_V2)
#define HEXAGON_V2_AND_UP (HEXAGON_IS_V5 | HEXAGON_IS_V4 | HEXAGON_IS_V3 | HEXAGON_IS_V2)
#define HEXAGON_V3_AND_UP (HEXAGON_IS_V5 | HEXAGON_IS_V4 | HEXAGON_IS_V3)
#define HEXAGON_V4_AND_UP (HEXAGON_IS_V5 | HEXAGON_IS_V4)

/* This is the instruction size in bytes. */
#define HEXAGON_INSN_LEN (4)

/** Maximum number of insns in a packet.
*/
#define MAX_PACKET_INSNS 4

/* This is the mnemonic length for mapped insns. */
#define HEXAGON_MAPPED_LEN (256)

/* Determine if a number can be represented in 16 bits (unsigned) */
#define HEXAGON_IS16BITS(num) 0 /* not yet implemented */

/* Determine if a number is a 16-bit instruction */
#define HEXAGON_IS16INSN(num) 0 /* not yet implemented */

/* Extract the low 16 bits */
#define HEXAGON_LO16(num) ((num) & ~(-1 << 16))

/* Extract the high 16 bits */
#define HEXAGON_HI16(num) (HEXAGON_LO16((num) >> 16))

/* Extract the extender bits. */
#define HEXAGON_KXER_MASK(num) ((num) & (-1 << 6))

/* Extract the extended bits. */
#define HEXAGON_KXED_MASK(num) ((num) & ~(-1 << 6))

/* Registers. */
#define HEXAGON_NUM_GENERAL_PURPOSE_REGS 32
#define HEXAGON_NUM_CONTROL_REGS         32
#define HEXAGON_NUM_SYS_CTRL_REGS        64
#define HEXAGON_NUM_PREDICATE_REGS       4
#define HEXAGON_NUM_GUEST_REGS           32

/* Specify the register sub-ranges. */
#define HEXAGON_SUBREGS          (16)
#define HEXAGON_SUBREGS_LO       (0)
#define HEXAGON_SUBREGS_HI       (16)
#define HEXAGON_SUBREGS_TO(r, p) (((r) < HEXAGON_SUBREGS_HI \
						  ? (r) \
						  : (r)-HEXAGON_SUBREGS / 2) / \
	((p) ? 2 : 1))
#define HEXAGON_SUBREGS_FROM(r, p) ((r) * ((p) ? 2 : 1) < HEXAGON_SUBREGS / 2 \
		? (r) * ((p) ? 2 : 1) \
		: (r) * ((p) ? 2 : 1) - HEXAGON_SUBREGS / 2 + HEXAGON_SUBREGS_HI)

/** Slots used by some insns.
*/
#define HEXAGON_SLOTS_DUPLEX (0x3) /** < Paired isns. */
#define HEXAGON_SLOTS_STORES (0x2) /** < In-order dual-stores. */
#define HEXAGON_SLOTS_1      (0x2) /** < Slot #1. */
#define HEXAGON_SLOTS_MEM1   (0x1) /** < Preference for single memory access. */

/** Insn type opcode ranges.
*/
#define HEXAGON_INSN_TYPE_A7      (0x70000000) /** A-type. */
#define HEXAGON_INSN_TYPE_X8      (0x80000000) /** X-type. */
#define HEXAGON_INSN_TYPE_A11     (0xb0000000) /** A-type. */
#define HEXAGON_INSN_TYPE_X12     (0xc0000000) /** X-type. */
#define HEXAGON_INSN_TYPE_X13     (0xd0000000) /** X-type. */
#define HEXAGON_INSN_TYPE_X14     (0xe0000000) /** X-type. */
#define HEXAGON_INSN_TYPE_A15     (0xf0000000) /** A-type. */
#define HEXAGON_INSN_TYPE_MASK(i) ((i)&0xf0000000) /** Insn type mask. */
#define HEXAGON_INSN_TYPE_A(i)    ((HEXAGON_INSN_TYPE_MASK(i) == HEXAGON_INSN_TYPE_A7) || (HEXAGON_INSN_TYPE_MASK(i) == HEXAGON_INSN_TYPE_A11) || (HEXAGON_INSN_TYPE_MASK(i) == HEXAGON_INSN_TYPE_A15))
#define HEXAGON_INSN_TYPE_X(i)    ((HEXAGON_INSN_TYPE_MASK(i) == HEXAGON_INSN_TYPE_X8) || (HEXAGON_INSN_TYPE_MASK(i) == HEXAGON_INSN_TYPE_X12) || (HEXAGON_INSN_TYPE_MASK(i) == HEXAGON_INSN_TYPE_X13) || (HEXAGON_INSN_TYPE_MASK(i) == HEXAGON_INSN_TYPE_X14))

/* Type to denote an Hexagon instruction (at least a 32 bit unsigned int).  */
typedef unsigned int hexagon_insn;

typedef struct _hexagon_opcode {
	char *syntax; /* syntax of insn  */
	char *enc; /* string representing the encoding */
	int flags; /* various flag bits  */

/* Values for `flags'.  */

/* Return CPU number, given flag bits.  */
#define HEXAGON_CODE_CPU(b) ((b)&HEXAGON_MACH_CPU_MASK)
/* Return MACH number, given flag bits.  */
#define HEXAGON_CODE_MACH(b) ((b)&HEXAGON_MACH_MASK)

	/* First opcode flag bit available after machine mask
     (with room for machine/cpu).  */
#define HEXAGON_CODE_FLAG(f) ((f) << 8)

#define HEXAGON_CODE_IS_PREFIX (HEXAGON_CODE_FLAG(0x0001))
#define HEXAGON_CODE_IS_DUPLEX (HEXAGON_CODE_FLAG(0x0002))
#define HEXAGON_CODE_IS_COMPND (HEXAGON_CODE_FLAG(0x0004))
#define HEXAGON_CODE_IS_BRANCH (HEXAGON_CODE_FLAG(0x0008))
#define HEXAGON_CODE_IS_MEMORY (HEXAGON_CODE_FLAG(0x0010))
#define HEXAGON_CODE_IS_LOAD   (HEXAGON_CODE_FLAG(0x0020))
#define HEXAGON_CODE_IS_STORE  (HEXAGON_CODE_FLAG(0x0040))

	/* These values are used to optimize assembly and disassembly.  Each insn
   is on a list of related insns (same first letter for assembly, same
   insn code for disassembly).  */

	struct _hexagon_opcode *next_asm; /* Next instr to try during assembly.  */
	struct _hexagon_opcode *next_dis; /* Next instr to try during disassembly.  */

/* Macros to create the hash values for the lists.  */
#define HEXAGON_HASH_OPCODE(string) \
	hexagon_hash_opcode(string)
#define HEXAGON_HASH_ICODE(insn) \
	hexagon_hash_icode(insn)

	/* Macros to access `next_asm', `next_dis' so users needn't care about the
    underlying mechanism.  */
#define HEXAGON_CODE_NEXT_ASM(op) ((op) ? (op)->next_asm : (op))
#define HEXAGON_CODE_NEXT_DIS(op) ((op) ? (op)->next_dis : (op))

	unsigned int slots; /* Slots onto which the instruction can go */

	unsigned int implicit; /* specifies implicit register writes */

	/* Values for implicit register definitions */
#define IMPLICIT_LR     0x0001
#define IMPLICIT_SP     0x0002
#define IMPLICIT_FP     0x0004
#define IMPLICIT_PC     0x0008
#define IMPLICIT_LC0    0x0010
#define IMPLICIT_SA0    0x0020
#define IMPLICIT_LC1    0x0040
#define IMPLICIT_SA1    0x0080
#define IMPLICIT_SR_OVF 0x0100
#define IMPLICIT_P3     0x0200
	/* V3 */
#define IMPLICIT_P0 0x0400
	/* V4 */
#define IMPLICIT_P1 0x0800

	unsigned int attributes;

	/* Values for 'attributes' */
#define A_IT_NOP                    0x00000001
#define A_RESTRICT_NOSRMOVE         0x00000002
#define A_RESTRICT_LOOP_LA          0x00000004
#define A_NOTE_LA_RESTRICT          A_RESTRICT_LOOP_LA
#define A_RESTRICT_COF_MAX1         0x00000008
#define A_RESTRICT_NOPACKET         0x00000010
#define A_NOTE_NOPACKET             A_RESTRICT_NOPACKET
#define A_RESTRICT_NOSLOT1          0x00000020
#define A_NOTE_NOSLOT1              A_RESTRICT_NOSLOT1
#define A_RESTRICT_NOCOF            0x00000040
#define A_COF                       0x00000080
#define A_RESTRICT_BRANCHADDER_MAX1 0x00000100
#define A_NOTE_BRANCHADDER_MAX1     A_RESTRICT_BRANCHADDER_MAX1
#define A_BRANCHADDER               0x00000200
#define A_RESTRICT_SINGLE_MEM_FIRST 0x00000400
#define CONDITIONAL_EXEC            0x00000800
#define A_CONDEXEC                  CONDITIONAL_EXEC
#define A_NOTE_CONDITIONAL          CONDITIONAL_EXEC
#define CONDITION_SENSE_INVERTED    0x00001000
#define CONDITION_DOTNEW            0x00002000
#define A_DOTNEW                    CONDITION_DOTNEW
#define A_RESTRICT_PREFERSLOT0      0x00004000
#define A_RESTRICT_LATEPRED         0x00008000
#define A_NOTE_LATEPRED             A_RESTRICT_LATEPRED
	/* V3 */
#define A_RESTRICT_PACKET_AXOK        0x00010000
#define A_NOTE_AXOK                   A_RESTRICT_PACKET_AXOK
#define A_RESTRICT_PACKET_SOMEREGS_OK 0x00020000
#define A_RELAX_COF_1ST               0x00040000
#define A_RELAX_COF_2ND               0x00080000
	/* V4 */
#define PACKED                          0x00100000
#define A_IT_EXTENDER                   0x00200000
#define EXTENDABLE_LOWER_CASE_IMMEDIATE 0x00400000
#define EXTENDABLE_UPPER_CASE_IMMEDIATE 0x00800000
#define A_RESTRICT_SLOT0ONLY            0x01000000
#define A_STORE                         0x02000000
#define A_STOREIMMED                    0x04000000
#define A_RESTRICT_NOSLOT1_STORE        0x08000000
#define MUST_EXTEND                     0x10000000
#define A_MUST_EXTEND                   MUST_EXTEND
#define A_IT_HWLOOP                     0x20000000
#define A_RESTRICT_NOLOOPSETUP          0x40000000
	/* V5 */
	/* Yet unused */
#define A_GUEST                       0x00000000
#define A_NOTE_GUEST                  0x00000000
#define A_EXTENDABLE                  0x00000000
#define A_EXT_LOWER_IMMED             0x00000000
#define A_EXT_UPPER_IMMED             0x00000000
#define A_ARCHV2                      0x00000000
#define A_ARCHV3                      0x00000000
#define A_CRSLOT23                    0x00000000
#define A_NOTE_CRSLOT23               0x00000000
#define A_MEMSIZE_1B                  0x00000000
#define A_MEMSIZE_2B                  0x00000000
#define A_MEMSIZE_4B                  0x00000000
#define A_MEMSIZE_8B                  0x00000000
#define A_MEMLIKE                     0x00000000
#define A_IMPLICIT_WRITES_SP          0x00000000
#define A_IMPLICIT_READS_SP           0x00000000
#define A_IMPLICIT_READS_LR           0x00000000
#define A_IMPLICIT_WRITES_LR          0x00000000
#define A_IMPLICIT_WRITES_FP          0x00000000
#define A_IMPLICIT_READS_FP           0x00000000
#define A_IMPLICIT_READS_PC           0x00000000
#define A_IMPLICIT_WRITES_PC          0x00000000
#define A_IMPLICIT_READS_GP           0x00000000
#define A_IMPLICIT_READS_CS           0x00000000
#define A_IMPLICIT_READS_P0           0x00000000
#define A_IMPLICIT_WRITES_P0          0x00000000
#define A_IMPLICIT_READS_P1           0x00000000
#define A_IMPLICIT_WRITES_P1          0x00000000
#define A_IMPLICIT_WRITES_P3          0x00000000
#define A_IMPLICIT_WRITES_SRBIT       0x00000000
#define A_IMPLICIT_WRITES_LC0         0x00000000
#define A_IMPLICIT_WRITES_LC1         0x00000000
#define A_IMPLICIT_WRITES_SA0         0x00000000
#define A_IMPLICIT_WRITES_SA1         0x00000000
#define A_JUMP                        0x00000000
#define A_CJUMP                       0x00000000
#define A_NEWCMPJUMP                  0x00000000
#define A_DIRECT                      0x00000000
#define A_INDIRECT                    0x00000000
#define A_CALL                        0x00000000
#define A_ROPS_2                      0x00000000
#define A_ROPS_3                      0x00000000
#define A_MEMOP                       0x00000000
#define A_LOAD                        0x00000000
#define A_NVSTORE                     0x00000000
#define A_DOTOLD                      0x00000000
#define A_COMMUTES                    0x00000000
#define A_PRIV                        0x00000000
#define A_NOTE_PRIV                   0x00000000
#define A_SATURATE                    0x00000000
#define A_USATURATE                   0x00000000
#define A_NOTE_SR_OVF_WHEN_SATURATING 0x00000000
#define A_BIDIRSHIFTL                 0x00000000
#define A_BIDIRSHIFTR                 0x00000000
#define A_NOTE_OOBVSHIFT              0X00000000
#define A_ICOP                        0x00000000
#define A_INTRINSIC_RETURNS_UNSIGNED  0x00000000
#define A_CIRCADDR                    0x00000000
#define A_BREVADDR                    0x00000000
#define A_IT_MPY                      0x00000000
#define A_IT_MPY_32                   0x00000000
#define A_NOTE_SPECIALGROUPING        0x00000000
#define A_NOTE_PACKET_PC              0x00000000
#define A_NOTE_PACKET_NPC             0x00000000
#define A_NOTE_RELATIVE_ADDRESS       0x00000000
#define A_EXCEPTION_SWI               0x00000000
#define A_NOTE_NEWVAL_SLOT0           0x00000000
#define A_DOTNEWVALUE                 0x00000000
#define A_FPOP                        0x00000000
#define A_FPDOUBLE                    0x00000000
#define A_FPSINGLE                    0x00000000
#define A_RET_TYPE                    0x00000000
#define A_PRED_BIT_4                  0x00000000
#define A_NOTE_COMPAT_ACCURACY        0x00000000
#define A_MPY                         0x00000000
#define A_CACHEOP                     0x00000000
#define A_RESTRICT_SLOT1_AOK          0x00000000
#define A_NOTE_SLOT1_AOK              A_RESTRICT_SLOT1_AOK
#define A_NOTE_DEALLOCRET             0x00000000
#define A_HINTJR                      0x00000000
#define A_PRED_BIT_7                  0x00000000
#define A_PRED_BIT_12                 0x00000000
#define A_PRED_BIT_13                 0x00000000
#define A_NOTE_NVSLOT0                0x00000000
#define A_NOTE_DEPRECATED             0x00000000
#define A_HWLOOP0_SETUP               0x00000000
#define A_HWLOOP1_SETUP               0x00000000
#define A_DOTNEW_LOAD                 0x00000000

	/* If this opcode is mapped, then the function that performs the mapping */
	void *map;
} hexagon_opcode;

typedef size_t hexagon_hash;

typedef struct _hexagon_operand {
	/* Format that will appear in the hexagon_opcode syntax */
	char *fmt;

	/* The number of bits in the operand (may be unused for a modifier).  */
	unsigned char bits;

	/* The letter that identifies this operand in the hexagon_opcode enc string */
	char enc_letter;

	/* For immediate arguments, the value should be shifted right by this amount */
	unsigned int shift_count;

	/* The relocation type and that of the extension and itself after extended. */
	bfd_reloc_code_real_type reloc_type, reloc_kxer, reloc_kxed;

	/* Various flag bits.  */
	int flags;

/* Values for `flags'.  */
#define HEXAGON_OPERAND_IS_IMMEDIATE 0x00000001
#define HEXAGON_OPERAND_PC_RELATIVE  0x00000002
#define HEXAGON_OPERAND_IS_SIGNED    0x00000004
#define HEXAGON_OPERAND_IS_PAIR      0x00000008
#define HEXAGON_OPERAND_IS_SUBSET    0x00000010
#define HEXAGON_OPERAND_IS_MODIFIER  0x00000020
#define HEXAGON_OPERAND_IS_PREDICATE 0x00000040
#define HEXAGON_OPERAND_IS_CONTROL   0x00000080
#define HEXAGON_OPERAND_IS_SYSTEM    0x00000100
#define HEXAGON_OPERAND_IS_LO16      0x00000200
#define HEXAGON_OPERAND_IS_HI16      0x00000400
#define HEXAGON_OPERAND_IS_READ      0x00000800
#define HEXAGON_OPERAND_IS_WRITE     0x00001000
#define HEXAGON_OPERAND_IS_MODIFIED  0x00002000
#define HEXAGON_OPERAND_IS_NEGATIVE  0x00004000
#define HEXAGON_OPERAND_IS_CONSTANT  0x00008000
#define HEXAGON_OPERAND_IS_NEW       0x00010000
#define HEXAGON_OPERAND_IS_GUEST     0x00020000
#define HEXAGON_OPERAND_IS_REGISTER  0x00040000
#define HEXAGON_OPERAND_IS_RNEW      0x00080000

#define HEXAGON_OPERAND_IS_RELAX   0x10000000
#define HEXAGON_OPERAND_IS_KXER    0x20000000
#define HEXAGON_OPERAND_IS_KXED    0x40000000
#define HEXAGON_OPERAND_IS_INVALID 0x80000000

	/* Format string and alternate format string for disassembly. */
	char *dis_fmt, *alt_fmt;

	/* Function used to change the original insn into another semantically equivalent. */
	char *(*parse)(const struct _hexagon_operand *, hexagon_insn *,
		const hexagon_opcode *, char *, long *, int *, char **);
} hexagon_operand;

typedef struct hexagon_operand_arg {
	const hexagon_operand *operand;
	long value;
	char string[HEXAGON_MAPPED_LEN];
} hexagon_operand_arg;

typedef void (*hexagon_mapping)(char *, size_t, const hexagon_operand_arg[]);

typedef struct hexagon_reg {
	const char *name;
	int reg_num;
	int flags;

	/* Values for flags. */
#define HEXAGON_REG_IS_READONLY  (1 << 0)
#define HEXAGON_REG_IS_WRITEONLY (1 << 1)
#define HEXAGON_REG_IS_READWRITE (1 << 2)
} hexagon_reg;

typedef struct hexagon_reg_score {
	char used, letter;
#define HEXAGON_PRED_LEN       (3)
#define HEXAGON_PRED_MSK       (~(-1 << HEXAGON_PRED_LEN))
#define HEXAGON_PRED_YES       (0x01)
#define HEXAGON_PRED_NOT       (0x02)
#define HEXAGON_PRED_NEW       (0x04)
#define HEXAGON_PRED_GET(P, I) (((P) >> ((I)*HEXAGON_PRED_LEN)) & HEXAGON_PRED_MSK)
#define HEXAGON_PRED_SET(P, I, N) \
	((HEXAGON_PRED_GET(P, I) | ((N)&HEXAGON_PRED_MSK)) << ((I)*HEXAGON_PRED_LEN))
	long pred : (HEXAGON_NUM_PREDICATE_REGS *HEXAGON_PRED_LEN);
	size_t ndx;
} hexagon_reg_score;

/* Bits that say what version of cpu we have. These should be passed to
   hexagon_init_opcode_tables. At present, all there is is the cpu type.  */

/* CPU number, given value passed to `hexagon_init_opcode_tables'.  */
#define HEXAGON_HAVE_CPU(bits) ((bits)&HEXAGON_MACH_CPU_MASK)
/* MACH number, given value passed to `hexagon_init_opcode_tables'.  */
#define HEXAGON_HAVE_MACH(bits) ((bits)&HEXAGON_MACH_MASK)

extern const hexagon_operand hexagon_operands[];
extern const size_t hexagon_operand_count;
extern hexagon_opcode *hexagon_opcodes;
extern size_t hexagon_opcodes_count;
extern int hexagon_verify_hw;
extern hexagon_insn hexagon_nop, hexagon_kext;

/** Packet delimeters.
*/
#define PACKET_BEGIN     '{' /** < Beginning of packet. */
#define PACKET_END       '}' /** < End of packet. */
#define PACKET_END_INNER ":endloop0" /** < End of inner loop. */
#define PACKET_END_OUTER ":endloop1" /** < End of outer loop. */
#define PACKET_PAIR      ';' /** < Sub-insn separator. */

/** Bits 15:14 in the instruction mark boundaries.
*/
#define HEXAGON_END_PACKET_POS  (14)
#define HEXAGON_END_PACKET_MASK (3 << HEXAGON_END_PACKET_POS)
#define HEXAGON_END_PACKET      (3 << HEXAGON_END_PACKET_POS) /** < End of packet. */
#define HEXAGON_END_LOOP        (2 << HEXAGON_END_PACKET_POS) /** < End of loop. */
#define HEXAGON_END_NOT         (1 << HEXAGON_END_PACKET_POS) /** < Neither. */
#define HEXAGON_END_PAIR        (0 << HEXAGON_END_PACKET_POS) /** < Compound insn. */

/** Get, set and reset packet bits in insn.
*/
#define HEXAGON_END_PACKET_GET(insn) \
	((insn)&HEXAGON_END_PACKET_MASK) /** < Get */
#define HEXAGON_END_PACKET_SET(insn, bits) \
	(((insn) & ~HEXAGON_END_PACKET_MASK) | (bits)) /** < Set */
#define HEXAGON_END_PACKET_RESET(insn) \
	(HEXAGON_END_PACKET_SET((insn), \
		HEXAGON_END_PACKET_GET(insn) == HEXAGON_END_PAIR \
			? HEXAGON_END_PAIR \
			: HEXAGON_END_NOT)) /** < Reset */

/** Test for arch version.
*/
#define hexagon_if_arch_v1() (FALSE) /** < V1 (Obsolete) */
#define hexagon_if_arch_v2() (hexagon_if_arch(HEXAGON_MACH_V2)) /** < V2 */
#define hexagon_if_arch_v3() (hexagon_if_arch(HEXAGON_MACH_V3)) /** < V3 */
#define hexagon_if_arch_v4() (hexagon_if_arch(HEXAGON_MACH_V4)) /** < V4 */
#define hexagon_if_arch_v5() (hexagon_if_arch(HEXAGON_MACH_V5)) /** < V5 */

extern int hexagon_arch(void);
extern int hexagon_if_arch(int);
extern int hexagon_if_arch_kext(void);
extern int hexagon_if_arch_pairs(void);
extern int hexagon_if_arch_autoand(void);
extern int hexagon_get_opcode_mach(int, int);
extern hexagon_hash hexagon_hash_opcode(const char *);
extern hexagon_hash hexagon_hash_icode(hexagon_insn);
extern hexagon_insn hexagon_encode_opcode(const char *);
extern hexagon_insn hexagon_encode_mask(char *);
/* `hexagon_opcode_init_tables' must be called before `hexagon_xxx_supported'.  */
extern void hexagon_opcode_init_tables(int);
extern const hexagon_opcode *hexagon_opcode_next_asm(const hexagon_opcode *);
extern const hexagon_opcode *hexagon_opcode_lookup_asm(const char *);
extern const hexagon_opcode *hexagon_opcode_lookup_dis(hexagon_insn);
extern const hexagon_opcode *hexagon_lookup_insn(hexagon_insn);
extern int hexagon_opcode_supported(const hexagon_opcode *);
extern int hexagon_encode_operand(const hexagon_operand *, hexagon_insn *, const hexagon_opcode *,
	long, long *, int, int, char **);
extern const hexagon_operand *hexagon_lookup_operand(const char *);
extern const hexagon_operand *hexagon_lookup_reloc(bfd_reloc_code_real_type, int, const hexagon_opcode *);
extern int hexagon_extract_operand(const hexagon_operand *, hexagon_insn, bfd_vma, char *, int *, char **);
extern int hexagon_extract_predicate_operand(const hexagon_operand *, hexagon_insn, char *, int *, char **);
extern int hexagon_extract_modifier_operand(const hexagon_operand *, hexagon_insn, char *, int *, char **);
extern char *hexagon_dis_operand(const hexagon_operand *, hexagon_insn, bfd_vma, bfd_vma, char *, char *, char **);
extern int hexagon_dis_opcode(char *, hexagon_insn, bfd_vma, const hexagon_opcode *, char **);
extern const hexagon_operand *hexagon_operand_find_lo16(const hexagon_operand *);
extern const hexagon_operand *hexagon_operand_find_hi16(const hexagon_operand *);
extern const hexagon_operand *hexagon_operand_find(const hexagon_operand *, const char *);

/* We don't put the packet header in the opcode table */
extern const hexagon_opcode hexagon_packet_header_opcode;

#endif /* OPCODES_HEXAGON_H */
