4.27 beta

2025-12-14 14:11:40 -06:00 · 2005-09-21 00:00:00 +00:00
parent 31e7b924e8
commit d66cf2fcf3
393 changed files with 17345 additions and 4743 deletions
--- a/7zip/Compress/Rar29/Original/rarvm.hpp
+++ b/7zip/Compress/Rar29/Original/rarvm.hpp
@@ -0,0 +1,110 @@
+#ifndef _RAR_VM_
+#define _RAR_VM_
+
+#define VM_STANDARDFILTERS
+
+#ifndef SFX_MODULE
+#define VM_OPTIMIZE
+#endif
+
+
+#define VM_MEMSIZE                  0x40000
+#define VM_MEMMASK           (VM_MEMSIZE-1)
+#define VM_GLOBALMEMADDR            0x3C000
+#define VM_GLOBALMEMSIZE             0x2000
+#define VM_FIXEDGLOBALSIZE               64
+
+enum VM_Commands
+{
+  VM_MOV,  VM_CMP,  VM_ADD,  VM_SUB,  VM_JZ,   VM_JNZ,  VM_INC,  VM_DEC,
+  VM_JMP,  VM_XOR,  VM_AND,  VM_OR,   VM_TEST, VM_JS,   VM_JNS,  VM_JB,
+  VM_JBE,  VM_JA,   VM_JAE,  VM_PUSH, VM_POP,  VM_CALL, VM_RET,  VM_NOT,
+  VM_SHL,  VM_SHR,  VM_SAR,  VM_NEG,  VM_PUSHA,VM_POPA, VM_PUSHF,VM_POPF,
+  VM_MOVZX,VM_MOVSX,VM_XCHG, VM_MUL,  VM_DIV,  VM_ADC,  VM_SBB,  VM_PRINT,
+
+#ifdef VM_OPTIMIZE
+  VM_MOVB, VM_MOVD, VM_CMPB, VM_CMPD,
+
+  VM_ADDB, VM_ADDD, VM_SUBB, VM_SUBD, VM_INCB, VM_INCD, VM_DECB, VM_DECD,
+  VM_NEGB, VM_NEGD,
+#endif
+
+  VM_STANDARD
+};
+
+enum VM_StandardFilters {
+  VMSF_NONE, VMSF_E8, VMSF_E8E9, VMSF_ITANIUM, VMSF_RGB, VMSF_AUDIO, 
+  VMSF_DELTA, VMSF_UPCASE
+};
+
+enum VM_Flags {VM_FC=1,VM_FZ=2,VM_FS=0x80000000};
+
+enum VM_OpType {VM_OPREG,VM_OPINT,VM_OPREGMEM,VM_OPNONE};
+
+struct VM_PreparedOperand
+{
+  VM_OpType Type;
+  uint Data;
+  uint Base;
+  uint *Addr;
+};
+
+struct VM_PreparedCommand
+{
+  VM_Commands OpCode;
+  bool ByteMode;
+  VM_PreparedOperand Op1,Op2;
+};
+
+
+struct VM_PreparedProgram
+{
+  VM_PreparedProgram() {AltCmd=NULL;}
+
+  Array<VM_PreparedCommand> Cmd;
+  VM_PreparedCommand *AltCmd;
+  int CmdCount;
+
+  Array<byte> GlobalData;
+  Array<byte> StaticData;
+  uint InitR[7];
+
+  byte *FilteredData;
+  unsigned int FilteredDataSize;
+};
+
+class RarVM:private BitInput
+{
+  private:
+    inline uint GetValue(bool ByteMode,uint *Addr);
+    inline void SetValue(bool ByteMode,uint *Addr,uint Value);
+    inline uint* GetOperand(VM_PreparedOperand *CmdOp);
+    void PrintState(uint IP);
+    void DecodeArg(VM_PreparedOperand &Op,bool ByteMode);
+#ifdef VM_OPTIMIZE
+    void Optimize(VM_PreparedProgram *Prg);
+#endif
+    bool ExecuteCode(VM_PreparedCommand *PreparedCode,int CodeSize);
+#ifdef VM_STANDARDFILTERS
+    VM_StandardFilters IsStandardFilter(byte *Code,int CodeSize);
+    void ExecuteStandardFilter(VM_StandardFilters FilterType);
+    unsigned int FilterItanium_GetBits(byte *Data,int BitPos,int BitCount);
+    void FilterItanium_SetBits(byte *Data,unsigned int BitField,int BitPos,
+      int BitCount);
+#endif
+
+    byte *Mem;
+    uint R[8];
+    uint Flags;
+  public:
+    RarVM();
+    ~RarVM();
+    void Init();
+    void Prepare(byte *Code,int CodeSize,VM_PreparedProgram *Prg);
+    void Execute(VM_PreparedProgram *Prg);
+    void SetValue(uint *Addr,uint Value);
+    void SetMemory(unsigned int Pos,byte *Data,unsigned int DataSize);
+    static uint ReadData(BitInput &Inp);
+};
+
+#endif