4.44 beta

C/Compress/Branch/BranchARM.c

@@ -0,0 +1,26 @@
+/* BranchARM.c */
+
+#include "BranchARM.h"
+
+UInt32 ARM_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
+{
+  UInt32 i;
+  for (i = 0; i + 4 <= size; i += 4)
+  {
+    if (data[i + 3] == 0xEB)
+    {
+      UInt32 src = (data[i + 2] << 16) | (data[i + 1] << 8) | (data[i + 0]);
+      src <<= 2;
+      UInt32 dest;
+      if (encoding)
+        dest = nowPos + i + 8 + src;
+      else
+        dest = src - (nowPos + i + 8);
+      dest >>= 2;
+      data[i + 2] = (Byte)(dest >> 16);
+      data[i + 1] = (Byte)(dest >> 8);
+      data[i + 0] = (Byte)dest;
+    }
+  }
+  return i;
+}

C/Compress/Branch/BranchARM.h

@@ -0,0 +1,10 @@
+// BranchARM.h
+
+#ifndef __BRANCH_ARM_H
+#define __BRANCH_ARM_H
+
+#include "BranchTypes.h"
+
+UInt32 ARM_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding);
+
+#endif

C/Compress/Branch/BranchARMThumb.c

@@ -0,0 +1,35 @@
+/* BranchARMThumb.c */
+
+#include "BranchARMThumb.h"
+
+UInt32 ARMThumb_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
+{
+  UInt32 i;
+  for (i = 0; i + 4 <= size; i += 2)
+  {
+    if ((data[i + 1] & 0xF8) == 0xF0 && 
+        (data[i + 3] & 0xF8) == 0xF8)
+    {
+      UInt32 src = 
+        ((data[i + 1] & 0x7) << 19) |
+        (data[i + 0] << 11) |
+        ((data[i + 3] & 0x7) << 8) |
+        (data[i + 2]);
+      
+      src <<= 1;
+      UInt32 dest;
+      if (encoding)
+        dest = nowPos + i + 4 + src;
+      else
+        dest = src - (nowPos + i + 4);
+      dest >>= 1;
+      
+      data[i + 1] = (Byte)(0xF0 | ((dest >> 19) & 0x7));
+      data[i + 0] = (Byte)(dest >> 11);
+      data[i + 3] = (Byte)(0xF8 | ((dest >> 8) & 0x7));
+      data[i + 2] = (Byte)dest;
+      i += 2;
+    }
+  }
+  return i;
+}

C/Compress/Branch/BranchARMThumb.h

@@ -0,0 +1,10 @@
+// BranchARMThumb.h
+
+#ifndef __BRANCH_ARM_THUMB_H
+#define __BRANCH_ARM_THUMB_H
+
+#include "BranchTypes.h"
+
+UInt32 ARMThumb_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding);
+
+#endif

C/Compress/Branch/BranchIA64.c

@@ -0,0 +1,63 @@
+/* BranchIA64.c */
+
+#include "BranchIA64.h"
+
+const Byte kBranchTable[32] = 
+{ 
+  0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0,
+  4, 4, 6, 6, 0, 0, 7, 7,
+  4, 4, 0, 0, 4, 4, 0, 0 
+};
+
+UInt32 IA64_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
+{
+  UInt32 i;
+  for (i = 0; i + 16 <= size; i += 16)
+  {
+    UInt32 instrTemplate = data[i] & 0x1F;
+    UInt32 mask = kBranchTable[instrTemplate];
+    UInt32 bitPos = 5;
+    for (int slot = 0; slot < 3; slot++, bitPos += 41)
+    {
+      if (((mask >> slot) & 1) == 0)
+        continue;
+      UInt32 bytePos = (bitPos >> 3);
+      UInt32 bitRes = bitPos & 0x7;
+      UInt64 instruction = 0;
+      int j;
+      for (j = 0; j < 6; j++)
+        instruction += (UInt64)(data[i + j + bytePos]) << (8 * j);
+
+      UInt64 instNorm = instruction >> bitRes;
+      if (((instNorm >> 37) & 0xF) == 0x5 
+        &&  ((instNorm >> 9) & 0x7) == 0 
+        /* &&  (instNorm & 0x3F)== 0 */
+        )
+      {
+        UInt32 src = UInt32((instNorm >> 13) & 0xFFFFF);
+        src |= ((instNorm >> 36) & 1) << 20;
+        
+        src <<= 4;
+        
+        UInt32 dest;
+        if (encoding)
+          dest = nowPos + i + src;
+        else
+          dest = src - (nowPos + i);
+        
+        dest >>= 4;
+        
+        instNorm &= ~(UInt64(0x8FFFFF) << 13);
+        instNorm |= (UInt64(dest & 0xFFFFF) << 13);
+        instNorm |= (UInt64(dest & 0x100000) << (36 - 20));
+        
+        instruction &= (1 << bitRes) - 1;
+        instruction |= (instNorm << bitRes);
+        for (j = 0; j < 6; j++)
+          data[i + j + bytePos] = Byte(instruction >> (8 * j));
+      }
+    }
+  }
+  return i;
+}

C/Compress/Branch/BranchIA64.h

@@ -0,0 +1,10 @@
+// BranchIA64.h
+
+#ifndef __BRANCH_IA64_H
+#define __BRANCH_IA64_H
+
+#include "BranchTypes.h"
+
+UInt32 IA64_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding);
+
+#endif

C/Compress/Branch/BranchPPC.c

@@ -0,0 +1,36 @@
+/* BranchPPC.c */
+
+#include "BranchPPC.h"
+
+UInt32 PPC_B_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
+{
+  UInt32 i;
+  for (i = 0; i + 4 <= size; i += 4)
+  {
+    /* PowerPC branch 6(48) 24(Offset) 1(Abs) 1(Link) */
+    if ((data[i] >> 2) == 0x12 && 
+    (
+      (data[i + 3] & 3) == 1 
+      /* || (data[i+3] & 3) == 3 */
+      )
+    )
+    {
+      UInt32 src = ((data[i + 0] & 3) << 24) |
+        (data[i + 1] << 16) |
+        (data[i + 2] << 8) |
+        (data[i + 3] & (~3));
+      
+      UInt32 dest;
+      if (encoding)
+        dest = nowPos + i + src;
+      else
+        dest = src - (nowPos + i);
+      data[i + 0] = (Byte)(0x48 | ((dest >> 24) &  0x3));
+      data[i + 1] = (Byte)(dest >> 16);
+      data[i + 2] = (Byte)(dest >> 8);
+      data[i + 3] &= 0x3;
+      data[i + 3] |= dest;
+    }
+  }
+  return i;
+}

C/Compress/Branch/BranchPPC.h

@@ -0,0 +1,10 @@
+// BranchPPC.h
+
+#ifndef __BRANCH_PPC_H
+#define __BRANCH_PPC_H
+
+#include "BranchTypes.h"
+
+UInt32 PPC_B_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding);
+
+#endif

C/Compress/Branch/BranchSPARC.c

@@ -0,0 +1,36 @@
+/* BranchSPARC.c */
+
+#include "BranchSPARC.h"
+
+UInt32 SPARC_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
+{
+  UInt32 i;
+  for (i = 0; i + 4 <= size; i += 4)
+  {
+    if (data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00 || 
+        data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0)
+    {
+      UInt32 src = 
+        ((UInt32)data[i + 0] << 24) |
+        ((UInt32)data[i + 1] << 16) |
+        ((UInt32)data[i + 2] << 8) |
+        ((UInt32)data[i + 3]);
+      
+      src <<= 2;
+      UInt32 dest;
+      if (encoding)
+        dest = nowPos + i + src;
+      else
+        dest = src - (nowPos + i);
+      dest >>= 2;
+      
+      dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000;
+
+      data[i + 0] = (Byte)(dest >> 24);
+      data[i + 1] = (Byte)(dest >> 16);
+      data[i + 2] = (Byte)(dest >> 8);
+      data[i + 3] = (Byte)dest;
+    }
+  }
+  return i;
+}

C/Compress/Branch/BranchSPARC.h

@@ -0,0 +1,10 @@
+// BranchSPARC.h
+
+#ifndef __BRANCH_SPARC_H
+#define __BRANCH_SPARC_H
+
+#include "BranchTypes.h"
+
+UInt32 SPARC_B_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding);
+
+#endif

C/Compress/Branch/BranchTypes.h

@@ -0,0 +1,25 @@
+/* BranchTypes.h */
+
+#ifndef __BRANCHTYPES_H
+#define __BRANCHTYPES_H
+
+#ifndef _7ZIP_BYTE_DEFINED
+#define _7ZIP_BYTE_DEFINED
+typedef unsigned char Byte;
+#endif 
+
+#ifndef _7ZIP_UINT16_DEFINED
+#define _7ZIP_UINT16_DEFINED
+typedef unsigned short UInt16;
+#endif 
+
+#ifndef _7ZIP_UINT32_DEFINED
+#define _7ZIP_UINT32_DEFINED
+#ifdef _LZMA_UINT32_IS_ULONG
+typedef unsigned long UInt32;
+#else
+typedef unsigned int UInt32;
+#endif
+#endif
+
+#endif

C/Compress/Branch/BranchX86.c

@@ -0,0 +1,101 @@
+/* BranchX86.c */
+
+#include "BranchX86.h"
+
+/*
+static int inline Test86MSByte(Byte b)
+{
+  return (b == 0 || b == 0xFF);
+}
+*/
+#define Test86MSByte(b) ((b) == 0 || (b) == 0xFF)
+
+const int kMaskToAllowedStatus[8] = {1, 1, 1, 0, 1, 0, 0, 0};
+const Byte kMaskToBitNumber[8] = {0, 1, 2, 2, 3, 3, 3, 3};
+
+/*
+void x86_Convert_Init(UInt32 *prevMask, UInt32 *prevPos)
+{
+  *prevMask = 0;
+  *prevPos = (UInt32)(-5);
+}
+*/
+
+UInt32 x86_Convert(Byte *buffer, UInt32 endPos, UInt32 nowPos, 
+    UInt32 *prevMask, UInt32 *prevPos, int encoding)
+{
+  UInt32 bufferPos = 0;
+  UInt32 limit;
+
+  if (endPos < 5)
+    return 0;
+  
+  if (nowPos - *prevPos > 5)
+    *prevPos = nowPos - 5;
+  
+  limit = endPos - 5;
+  while(bufferPos <= limit)
+  {
+    Byte b = buffer[bufferPos];
+    UInt32 offset;
+    if (b != 0xE8 && b != 0xE9)
+    {
+      bufferPos++;
+      continue;
+    }
+    offset = (nowPos + bufferPos - *prevPos);
+    *prevPos = (nowPos + bufferPos);
+    if (offset > 5)
+      *prevMask = 0;
+    else
+    {
+      UInt32 i;
+      for (i = 0; i < offset; i++)
+      {
+        *prevMask &= 0x77;
+        *prevMask <<= 1;
+      }
+    }
+    b = buffer[bufferPos + 4];
+    if (Test86MSByte(b) && kMaskToAllowedStatus[(*prevMask >> 1) & 0x7] && 
+      (*prevMask >> 1) < 0x10)
+    {
+      UInt32 src = 
+        ((UInt32)(b) << 24) |
+        ((UInt32)(buffer[bufferPos + 3]) << 16) |
+        ((UInt32)(buffer[bufferPos + 2]) << 8) |
+        (buffer[bufferPos + 1]);
+      
+      UInt32 dest;
+      for (;;)
+      {
+        UInt32 index;
+        if (encoding)
+          dest = (nowPos + bufferPos + 5) + src;
+        else
+          dest = src - (nowPos + bufferPos + 5);
+        if (*prevMask == 0)
+          break;
+        index = kMaskToBitNumber[*prevMask >> 1];
+        b = (Byte)(dest >> (24 - index * 8));
+        if (!Test86MSByte(b))
+          break;
+        src = dest ^ ((1 << (32 - index * 8)) - 1);
+      }
+      buffer[bufferPos + 4] = (Byte)(~(((dest >> 24) & 1) - 1));
+      buffer[bufferPos + 3] = (Byte)(dest >> 16);
+      buffer[bufferPos + 2] = (Byte)(dest >> 8);
+      buffer[bufferPos + 1] = (Byte)dest;
+      bufferPos += 5;
+      *prevMask = 0;
+    }
+    else
+    {
+      bufferPos++;
+      *prevMask |= 1;
+      if (Test86MSByte(b))
+        *prevMask |= 0x10;
+    }
+  }
+  return bufferPos;
+}

C/Compress/Branch/BranchX86.h

@@ -0,0 +1,13 @@
+/* BranchX86.h */
+
+#ifndef __BRANCHX86_H
+#define __BRANCHX86_H
+
+#include "BranchTypes.h"
+
+#define x86_Convert_Init(prevMask, prevPos) { prevMask = 0; prevPos = (UInt32)(-5); }
+
+UInt32 x86_Convert(Byte *buffer, UInt32 endPos, UInt32 nowPos, 
+    UInt32 *prevMask, UInt32 *prevPos, int encoding);
+
+#endif