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/* OpenIDA - Outil d'analyse de fichiers binaires
* operand.h - prototypes pour l'aide à la création d'opérandes Dalvik
*
* Copyright (C) 2010 Cyrille Bagard
*
* This file is part of OpenIDA.
*
* OpenIDA 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 3 of the License, or
* (at your option) any later version.
*
* OpenIDA 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ARCH_DALVIK_OPERAND_H
#define _ARCH_DALVIK_OPERAND_H
#include "operands/args.h"
#include "operands/pool.h"
#include "operands/register.h"
#include "operands/target.h"
#include "../instruction.h"
/**
* Cf. les documentations suivantes :
* - http://www.netmite.com/android/mydroid/dalvik/docs/instruction-formats.html
* - http://www.netmite.com/android/mydroid/dalvik/docs/dalvik-bytecode.html
* - http://pallergabor.uw.hu/androidblog/dalvik_opcodes.html
*/
/* Construction d'identifiants typés */
#define DALVIK_OP_LEN_OFF 28
#define DALVIK_OP_LEN_MASK 0xf0000000
#define DALVIK_OP_REG_OFF 24
#define DALVIK_OP_REG_MASK 0x0f000000
#define DALVIK_OP_POOL_OFF 20
#define DALVIK_OP_POOL_MASK 0x00f00000
#define DALVIK_OP_EXTRA_MASK (DALVIK_OP_POOL_MASK)
#define DALVIK_OP_LEN(l) ((l) << DALVIK_OP_LEN_OFF)
#define DALVIK_OP_GET_LEN(v) (((v) & DALVIK_OP_LEN_MASK) >> DALVIK_OP_LEN_OFF)
#define DALVIK_OP_REG(r) ((r) << DALVIK_OP_REG_OFF)
#define DALVIK_OP_COUNT_REG(v) (((v) & DALVIK_OP_REG_MASK) >> DALVIK_OP_REG_OFF)
#define DALVIK_OP_POOL(p) ((p) << DALVIK_OP_POOL_OFF)
#define DALVIK_OP_GET_POOL(v) (((v) & DALVIK_OP_POOL_MASK) >> DALVIK_OP_POOL_OFF)
/* Types d'opérandes supportés */
typedef enum _DalvikOperandType
{
DALVIK_OPT_10T = DALVIK_OP_LEN(1) | DALVIK_OP_REG(0) | 'T',
DALVIK_OPT_10X = DALVIK_OP_LEN(1) | DALVIK_OP_REG(0) | 'X',
DALVIK_OPT_11N = DALVIK_OP_LEN(1) | DALVIK_OP_REG(1) | 'N',
DALVIK_OPT_11X = DALVIK_OP_LEN(1) | DALVIK_OP_REG(1) | 'X',
DALVIK_OPT_12X = DALVIK_OP_LEN(1) | DALVIK_OP_REG(2) | 'X',
DALVIK_OPT_20T = DALVIK_OP_LEN(2) | DALVIK_OP_REG(0) | 'T',
DALVIK_OPT_21C = DALVIK_OP_LEN(2) | DALVIK_OP_REG(1) | 'C',
DALVIK_OPT_21H = DALVIK_OP_LEN(2) | DALVIK_OP_REG(1) | 'H',
DALVIK_OPT_21S = DALVIK_OP_LEN(2) | DALVIK_OP_REG(1) | 'S',
DALVIK_OPT_21T = DALVIK_OP_LEN(2) | DALVIK_OP_REG(1) | 'T',
DALVIK_OPT_22B = DALVIK_OP_LEN(2) | DALVIK_OP_REG(2) | 'B',
DALVIK_OPT_22C = DALVIK_OP_LEN(2) | DALVIK_OP_REG(2) | 'C',
DALVIK_OPT_22S = DALVIK_OP_LEN(2) | DALVIK_OP_REG(2) | 'S',
DALVIK_OPT_22T = DALVIK_OP_LEN(2) | DALVIK_OP_REG(2) | 'T',
DALVIK_OPT_22X = DALVIK_OP_LEN(2) | DALVIK_OP_REG(2) | 'X',
DALVIK_OPT_23X = DALVIK_OP_LEN(2) | DALVIK_OP_REG(3) | 'X',
DALVIK_OPT_30T = DALVIK_OP_LEN(3) | DALVIK_OP_REG(0) | 'T',
DALVIK_OPT_31I = DALVIK_OP_LEN(3) | DALVIK_OP_REG(1) | 'I',
DALVIK_OPT_31T = DALVIK_OP_LEN(3) | DALVIK_OP_REG(1) | 'T',
DALVIK_OPT_35C = DALVIK_OP_LEN(3) | DALVIK_OP_REG(5) | 'C',
DALVIK_OPT_51L = DALVIK_OP_LEN(5) | DALVIK_OP_REG(1) | 'L'
} DalvikOperandType;
/* Procède à la lecture d'opérandes pour une instruction. */
bool dalvik_read_operands(GArchInstruction *, const bin_t *, off_t *, off_t, SourceEndian, DalvikOperandType, ...);
#endif /* _ARCH_DALVIK_OPERAND_H */
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