1 files changed, 179 insertions, 0 deletions
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<CCommand> Commands;
+  #ifdef RARVM_STANDARD_FILTERS
+  int StandardFilterIndex;
+  #endif
+  CRecordVector<Byte> StaticData;
+};
+
+struct CProgramInitState
+{
+  UInt32 InitR[kNumGpRegs];
+  CRecordVector<Byte> 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<Byte> &outGlobalData);
+  const Byte *GetDataPointer(UInt32 offset) const { return Mem + offset; }
+
+};
+
+#endif
+
+}}}