mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-11-21 03:14:19 +08:00
0835915c1d
Here we start using instruction flags generator. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/* 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 {
|
|
enum opcode opcode; /* the token, passed from "parser.c" */
|
|
int operands; /* number of operands */
|
|
opflags_t opd[MAX_OPERANDS]; /* bit flags for operand types */
|
|
decoflags_t deco[MAX_OPERANDS]; /* bit flags for operand decorators */
|
|
const uint8_t *code; /* the code it assembles to */
|
|
uint32_t iflag_idx; /* some flags referenced by index */
|
|
};
|
|
|
|
/* 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 {
|
|
const void *p;
|
|
int n;
|
|
};
|
|
|
|
/* 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 {-1,-1,{-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1},NULL,0}
|
|
|
|
#endif /* NASM_INSNS_H */
|