chromium/third_party/nasm/include/insns.h

/* insns.h   header file for insns.c
 *
 * The Netwide Assembler is copyright (C) 1996 Simon Tatham and
 * Julian Hall. All rights reserved. The software is
 * redistributable under the license given in the file "LICENSE"
 * distributed in the NASM archive.
 */

#ifndef NASM_INSNS_H
#define NASM_INSNS_H

#include "nasm.h"
#include "tokens.h"
#include "iflag.h"

/* if changed, ITEMPLATE_END should be also changed accordingly */
struct itemplate { … };

/* Use this helper to test instruction template flags */
static inline bool itemp_has(const struct itemplate *itemp, unsigned int bit)
{ … }

/* Disassembler table structure */

/*
 * If n == -1, then p points to another table of 256
 * struct disasm_index, otherwise p points to a list of n
 * struct itemplates to consider.
 */
struct disasm_index { … };

/* Tables for the assembler and disassembler, respectively */
extern const struct itemplate * const nasm_instructions[];
extern const struct disasm_index itable[256];
extern const struct disasm_index * const itable_vex[NASM_VEX_CLASSES][32][4];

/* Common table for the byte codes */
extern const uint8_t nasm_bytecodes[];

/*
 * this define is used to signify the end of an itemplate
 */
#define ITEMPLATE_END …

/*
 * Pseudo-op tests
 */
/* DB-type instruction (DB, DW, ...) */
static inline bool const_func opcode_is_db(enum opcode opcode)
{ … }

/* RESB-type instruction (RESB, RESW, ...) */
static inline bool const_func opcode_is_resb(enum opcode opcode)
{ … }

/* Width of Dx and RESx instructions */

/*
 * initialized data bytes length from opcode
 */
static inline int const_func db_bytes(enum opcode opcode)
{ … }

/*
 * Uninitialized data bytes length from opcode
 */
static inline int const_func resb_bytes(enum opcode opcode)
{ … }

#endif /* NASM_INSNS_H */