134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/* $Id$ */
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/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
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/* This file is part of DeforaOS Devel asm */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef DEVEL_ASM_ARCH_H
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# define DEVEL_ASM_ARCH_H
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# include <stdint.h>
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/* AsArch */
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/* types */
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typedef enum _ArchEndian
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{
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ARCH_ENDIAN_BIG = 0,
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ARCH_ENDIAN_LITTLE,
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ARCH_ENDIAN_BOTH
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} ArchEndian;
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typedef struct _ArchDescription
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{
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ArchEndian endian;
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uint32_t alignment;
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uint32_t instruction_size; /* 0 if not constant */
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} ArchDescription;
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/* operands */
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typedef uint32_t ArchOperand;
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# define AOT_NONE 0x0
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# define AOT_CONSTANT 0x1 /* flags | 0 | size | value */
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# define AOT_IMMEDIATE 0x2 /* flags | offset | 0 | size */
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# define AOT_REGISTER 0x3 /* flags | 0 | size | id */
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# define AOT_DREGISTER 0x4 /* flags | dsize | rsize | id */
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# define AOT_DREGISTER2 0x5 /* flags | did | rsize | id */
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/* displacement */
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# define AOD_FLAGS 24
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# define AOD_OFFSET 16
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# define AOD_SIZE 8
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# define AOD_TYPE 28
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# define AOD_VALUE 0
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/* masks */
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# define AOM_TYPE 0xf0000000
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# define AOM_FLAGS 0x0f000000
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# define AOM_OFFSET 0x00ff0000
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# define AOM_SIZE 0x0000ff00
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# define AOM_VALUE 0x000000ff
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/* flags */
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# define AOF_FILTER 0x1
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# define AOF_SOFFSET 0x2
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/* for immediate */
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# define AOF_SIGNED 0x4
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/* for registers */
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# define AOF_IMPLICIT 0x4
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/* macros */
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# define AO_GET_FLAGS(operand) ((operand & AOM_FLAGS) >> AOD_FLAGS)
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# define AO_GET_OFFSET(operand) ((operand & AOM_OFFSET) >> AOD_OFFSET)
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# define AO_GET_DSIZE(operand) ((operand & AOM_OFFSET) >> AOD_OFFSET)
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# define AO_GET_RSIZE(operand) ((operand & AOM_SIZE) >> AOD_SIZE)
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# define AO_GET_SIZE(operand) ((operand & AOM_SIZE) >> AOD_SIZE)
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# define AO_GET_TYPE(operand) ((operand & AOM_TYPE) >> AOD_TYPE)
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# define AO_GET_VALUE(operand) ((operand & AOM_VALUE) >> AOD_VALUE)
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# define AO_IMMEDIATE(flags, offset, size) \
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((AOT_IMMEDIATE << AOD_TYPE) \
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| ((flags) << AOD_FLAGS) \
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| ((offset) << AOD_OFFSET) \
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| ((size) << AOD_SIZE))
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# define AO_REGISTER(flags, size, id) \
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((AOT_REGISTER << AOD_TYPE) \
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| ((flags) << AOD_FLAGS) \
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| ((size) << AOD_SIZE) \
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| ((id) << AOD_VALUE))
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# define AO_DREGISTER(flags, dsize, rsize, id) \
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((AOT_DREGISTER << AOD_TYPE) \
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| ((flags) << AOD_FLAGS) \
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| ((dsize) << AOD_OFFSET) \
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| ((rsize) << AOD_SIZE) \
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| ((id) << AOD_VALUE))
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# define AO_DREGISTER2(flags, did, dsize, id) \
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((AOT_DREGISTER2 << AOD_TYPE) \
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| ((flags) << AOD_FLAGS) \
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| ((did) << AOD_OFFSET) \
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| ((dsize) << AOD_SIZE) \
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| ((id) << AOD_VALUE))
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typedef struct _ArchInstruction
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{
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char * name;
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uint32_t value;
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ArchOperand opcode;
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ArchOperand op1;
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ArchOperand op2;
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ArchOperand op3;
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} ArchInstruction;
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typedef struct _ArchRegister
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{
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char * name;
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uint32_t size;
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uint32_t id;
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} ArchRegister;
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typedef struct _ArchPlugin ArchPlugin;
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struct _ArchPlugin
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{
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char const * name;
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char const * format; /* default format */
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ArchDescription * description;
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ArchRegister * registers;
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ArchInstruction * instructions;
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int (*filter)(ArchPlugin * arch, ArchInstruction * instruction,
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ArchOperand operand, unsigned char * buf, size_t size);
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};
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#endif /* !DEVEL_ASM_ARCH_H */
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