e1f985c167
Make the source code easier to understand and keep track of by organizing it into subdirectories depending on the function. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* insns.h header file for insns.c
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*
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* The Netwide Assembler is copyright (C) 1996 Simon Tatham and
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* Julian Hall. All rights reserved. The software is
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* redistributable under the license given in the file "LICENSE"
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* distributed in the NASM archive.
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*/
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#ifndef NASM_INSNS_H
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#define NASM_INSNS_H
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#include "nasm.h"
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#include "tokens.h"
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#include "iflag.h"
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/* if changed, ITEMPLATE_END should be also changed accordingly */
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struct itemplate {
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enum opcode opcode; /* the token, passed from "parser.c" */
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int operands; /* number of operands */
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opflags_t opd[MAX_OPERANDS]; /* bit flags for operand types */
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decoflags_t deco[MAX_OPERANDS]; /* bit flags for operand decorators */
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const uint8_t *code; /* the code it assembles to */
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uint32_t iflag_idx; /* some flags referenced by index */
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};
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/* Disassembler table structure */
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/*
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* If n == -1, then p points to another table of 256
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* struct disasm_index, otherwise p points to a list of n
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* struct itemplates to consider.
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*/
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struct disasm_index {
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const void *p;
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int n;
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};
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/* Tables for the assembler and disassembler, respectively */
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extern const struct itemplate * const nasm_instructions[];
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extern const struct disasm_index itable[256];
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extern const struct disasm_index * const itable_vex[NASM_VEX_CLASSES][32][4];
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/* Common table for the byte codes */
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extern const uint8_t nasm_bytecodes[];
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/*
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* this define is used to signify the end of an itemplate
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*/
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#define ITEMPLATE_END {-1,-1,{-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1},NULL,0}
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#endif /* NASM_INSNS_H */
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