From be3b47d0d504a3409ce66bd77bb8c0acff87c4f5 Mon Sep 17 00:00:00 2001 From: kh1 Date: Thu, 15 Mar 2012 14:53:47 +0100 Subject: Reorganize the tree, have better ifw.pri. Shadow build support. Change-Id: I01fb12537f863ed0744979973c7e4153889cc5cb Reviewed-by: Tim Jenssen --- src/libs/7zip/win/CPP/7zip/Compress/Rar3Vm.h | 179 +++++++++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 src/libs/7zip/win/CPP/7zip/Compress/Rar3Vm.h (limited to 'src/libs/7zip/win/CPP/7zip/Compress/Rar3Vm.h') diff --git a/src/libs/7zip/win/CPP/7zip/Compress/Rar3Vm.h b/src/libs/7zip/win/CPP/7zip/Compress/Rar3Vm.h new file mode 100644 index 000000000..c02534c61 --- /dev/null +++ b/src/libs/7zip/win/CPP/7zip/Compress/Rar3Vm.h @@ -0,0 +1,179 @@ +// Rar3Vm.h +// According to unRAR license, this code may not be used to develop +// a program that creates RAR archives + +#ifndef __COMPRESS_RAR3_VM_H +#define __COMPRESS_RAR3_VM_H + +#include "../../../C/CpuArch.h" + +#include "Common/MyVector.h" +#include "Common/Types.h" + +#define RARVM_STANDARD_FILTERS + +namespace NCompress { +namespace NRar3 { + +class CMemBitDecoder +{ + const Byte *_data; + UInt32 _bitSize; + UInt32 _bitPos; +public: + void Init(const Byte *data, UInt32 byteSize) + { + _data = data; + _bitSize = (byteSize << 3); + _bitPos = 0; + } + UInt32 ReadBits(int numBits); + UInt32 ReadBit(); + bool Avail() const { return (_bitPos < _bitSize); } +}; + +namespace NVm { + +inline UInt32 GetValue32(const void *addr) { return GetUi32(addr); } +inline void SetValue32(void *addr, UInt32 value) { SetUi32(addr, value); } + +UInt32 ReadEncodedUInt32(CMemBitDecoder &inp); + +const int kNumRegBits = 3; +const UInt32 kNumRegs = 1 << kNumRegBits; +const UInt32 kNumGpRegs = kNumRegs - 1; + +const UInt32 kSpaceSize = 0x40000; +const UInt32 kSpaceMask = kSpaceSize -1; +const UInt32 kGlobalOffset = 0x3C000; +const UInt32 kGlobalSize = 0x2000; +const UInt32 kFixedGlobalSize = 64; + +namespace NGlobalOffset +{ + const UInt32 kBlockSize = 0x1C; + const UInt32 kBlockPos = 0x20; + const UInt32 kExecCount = 0x2C; + const UInt32 kGlobalMemOutSize = 0x30; +} + +enum ECommand +{ + CMD_MOV, CMD_CMP, CMD_ADD, CMD_SUB, CMD_JZ, CMD_JNZ, CMD_INC, CMD_DEC, + CMD_JMP, CMD_XOR, CMD_AND, CMD_OR, CMD_TEST, CMD_JS, CMD_JNS, CMD_JB, + CMD_JBE, CMD_JA, CMD_JAE, CMD_PUSH, CMD_POP, CMD_CALL, CMD_RET, CMD_NOT, + CMD_SHL, CMD_SHR, CMD_SAR, CMD_NEG, CMD_PUSHA,CMD_POPA, CMD_PUSHF,CMD_POPF, + CMD_MOVZX,CMD_MOVSX,CMD_XCHG, CMD_MUL, CMD_DIV, CMD_ADC, CMD_SBB, CMD_PRINT, + + CMD_MOVB, CMD_CMPB, CMD_ADDB, CMD_SUBB, CMD_INCB, CMD_DECB, + CMD_XORB, CMD_ANDB, CMD_ORB, CMD_TESTB,CMD_NEGB, + CMD_SHLB, CMD_SHRB, CMD_SARB, CMD_MULB +}; + +enum EOpType {OP_TYPE_REG, OP_TYPE_INT, OP_TYPE_REGMEM, OP_TYPE_NONE}; + +// Addr in COperand object can link (point) to CVm object!!! + +struct COperand +{ + EOpType Type; + UInt32 Data; + UInt32 Base; + COperand(): Type(OP_TYPE_NONE), Data(0), Base(0) {} +}; + +struct CCommand +{ + ECommand OpCode; + bool ByteMode; + COperand Op1, Op2; +}; + +struct CBlockRef +{ + UInt32 Offset; + UInt32 Size; +}; + +struct CProgram +{ + CRecordVector Commands; + #ifdef RARVM_STANDARD_FILTERS + int StandardFilterIndex; + #endif + CRecordVector StaticData; +}; + +struct CProgramInitState +{ + UInt32 InitR[kNumGpRegs]; + CRecordVector GlobalData; + + void AllocateEmptyFixedGlobal() + { + GlobalData.Clear(); + GlobalData.Reserve(NVm::kFixedGlobalSize); + for (UInt32 i = 0; i < NVm::kFixedGlobalSize; i++) + GlobalData.Add(0); + } +}; + +class CVm +{ + static UInt32 GetValue(bool byteMode, const void *addr) + { + if (byteMode) + return(*(const Byte *)addr); + else + return GetUi32(addr); + } + + static void SetValue(bool byteMode, void *addr, UInt32 value) + { + if (byteMode) + *(Byte *)addr = (Byte)value; + else + SetUi32(addr, value); + } + + UInt32 GetFixedGlobalValue32(UInt32 globalOffset) { return GetValue(false, &Mem[kGlobalOffset + globalOffset]); } + + void SetBlockSize(UInt32 v) { SetValue(&Mem[kGlobalOffset + NGlobalOffset::kBlockSize], v); } + void SetBlockPos(UInt32 v) { SetValue(&Mem[kGlobalOffset + NGlobalOffset::kBlockPos], v); } +public: + static void SetValue(void *addr, UInt32 value) { SetValue(false, addr, value); } +private: + UInt32 GetOperand32(const COperand *op) const; + void SetOperand32(const COperand *op, UInt32 val); + Byte GetOperand8(const COperand *op) const; + void SetOperand8(const COperand *op, Byte val); + UInt32 GetOperand(bool byteMode, const COperand *op) const; + void SetOperand(bool byteMode, const COperand *op, UInt32 val); + + void DecodeArg(CMemBitDecoder &inp, COperand &op, bool byteMode); + + bool ExecuteCode(const CProgram *prg); + + #ifdef RARVM_STANDARD_FILTERS + void ExecuteStandardFilter(int filterIndex); + #endif + + Byte *Mem; + UInt32 R[kNumRegs + 1]; // R[kNumRegs] = 0 always (speed optimization) + UInt32 Flags; + void ReadVmProgram(const Byte *code, UInt32 codeSize, CProgram *prg); +public: + CVm(); + ~CVm(); + bool Create(); + void PrepareProgram(const Byte *code, UInt32 codeSize, CProgram *prg); + void SetMemory(UInt32 pos, const Byte *data, UInt32 dataSize); + bool Execute(CProgram *prg, const CProgramInitState *initState, + CBlockRef &outBlockRef, CRecordVector &outGlobalData); + const Byte *GetDataPointer(UInt32 offset) const { return Mem + offset; } + +}; + +#endif + +}}} -- cgit v1.2.3