diff options
author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
---|---|---|
committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /other-licenses/7zstub/src/7zip/Compress/Branch/x86_2.cpp | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip |
Add m-esr52 at 52.6.0
Diffstat (limited to 'other-licenses/7zstub/src/7zip/Compress/Branch/x86_2.cpp')
-rw-r--r-- | other-licenses/7zstub/src/7zip/Compress/Branch/x86_2.cpp | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Compress/Branch/x86_2.cpp b/other-licenses/7zstub/src/7zip/Compress/Branch/x86_2.cpp new file mode 100644 index 000000000..fc87bd937 --- /dev/null +++ b/other-licenses/7zstub/src/7zip/Compress/Branch/x86_2.cpp @@ -0,0 +1,412 @@ +// x86_2.cpp
+
+#include "StdAfx.h"
+#include "x86_2.h"
+
+#include "../../../Common/Alloc.h"
+
+static const int kBufferSize = 1 << 17;
+
+inline bool IsJcc(Byte b0, Byte b1)
+{
+ return (b0 == 0x0F && (b1 & 0xF0) == 0x80);
+}
+
+#ifndef EXTRACT_ONLY
+
+static bool inline Test86MSByte(Byte b)
+{
+ return (b == 0 || b == 0xFF);
+}
+
+bool CBCJ2_x86_Encoder::Create()
+{
+ if (!_mainStream.Create(1 << 16))
+ return false;
+ if (!_callStream.Create(1 << 20))
+ return false;
+ if (!_jumpStream.Create(1 << 20))
+ return false;
+ if (!_rangeEncoder.Create(1 << 20))
+ return false;
+ if (_buffer == 0)
+ {
+ _buffer = (Byte *)MidAlloc(kBufferSize);
+ if (_buffer == 0)
+ return false;
+ }
+ return true;
+}
+
+CBCJ2_x86_Encoder::~CBCJ2_x86_Encoder()
+{
+ ::MidFree(_buffer);
+}
+
+HRESULT CBCJ2_x86_Encoder::Flush()
+{
+ RINOK(_mainStream.Flush());
+ RINOK(_callStream.Flush());
+ RINOK(_jumpStream.Flush());
+ _rangeEncoder.FlushData();
+ return _rangeEncoder.FlushStream();
+}
+
+const UInt32 kDefaultLimit = (1 << 24);
+
+HRESULT CBCJ2_x86_Encoder::CodeReal(ISequentialInStream **inStreams,
+ const UInt64 **inSizes,
+ UInt32 numInStreams,
+ ISequentialOutStream **outStreams,
+ const UInt64 **outSizes,
+ UInt32 numOutStreams,
+ ICompressProgressInfo *progress)
+{
+ if (numInStreams != 1 || numOutStreams != 4)
+ return E_INVALIDARG;
+
+ if (!Create())
+ return E_OUTOFMEMORY;
+
+ bool sizeIsDefined = false;
+ UInt64 inSize;
+ if (inSizes != NULL)
+ if (inSizes[0] != NULL)
+ {
+ inSize = *inSizes[0];
+ if (inSize <= kDefaultLimit)
+ sizeIsDefined = true;
+ }
+
+ ISequentialInStream *inStream = inStreams[0];
+
+ _mainStream.SetStream(outStreams[0]);
+ _mainStream.Init();
+ _callStream.SetStream(outStreams[1]);
+ _callStream.Init();
+ _jumpStream.SetStream(outStreams[2]);
+ _jumpStream.Init();
+ _rangeEncoder.SetStream(outStreams[3]);
+ _rangeEncoder.Init();
+ for (int i = 0; i < 256; i++)
+ _statusE8Encoder[i].Init();
+ _statusE9Encoder.Init();
+ _statusJccEncoder.Init();
+ CCoderReleaser releaser(this);
+
+ CMyComPtr<ICompressGetSubStreamSize> getSubStreamSize;
+ {
+ inStream->QueryInterface(IID_ICompressGetSubStreamSize, (void **)&getSubStreamSize);
+ }
+
+ UInt32 nowPos = 0;
+ UInt64 nowPos64 = 0;
+ UInt32 bufferPos = 0;
+
+ Byte prevByte = 0;
+
+ UInt64 subStreamIndex = 0;
+ UInt64 subStreamStartPos = 0;
+ UInt64 subStreamEndPos = 0;
+
+ while(true)
+ {
+ UInt32 processedSize = 0;
+ while(true)
+ {
+ UInt32 size = kBufferSize - (bufferPos + processedSize);
+ UInt32 processedSizeLoc;
+ if (size == 0)
+ break;
+ RINOK(inStream->Read(_buffer + bufferPos + processedSize, size, &processedSizeLoc));
+ if (processedSizeLoc == 0)
+ break;
+ processedSize += processedSizeLoc;
+ }
+ UInt32 endPos = bufferPos + processedSize;
+
+ if (endPos < 5)
+ {
+ // change it
+ for (bufferPos = 0; bufferPos < endPos; bufferPos++)
+ {
+ Byte b = _buffer[bufferPos];
+ _mainStream.WriteByte(b);
+ if (b == 0xE8)
+ _statusE8Encoder[prevByte].Encode(&_rangeEncoder, 0);
+ else if (b == 0xE9)
+ _statusE9Encoder.Encode(&_rangeEncoder, 0);
+ else if (IsJcc(prevByte, b))
+ _statusJccEncoder.Encode(&_rangeEncoder, 0);
+ prevByte = b;
+ }
+ return Flush();
+ }
+
+ bufferPos = 0;
+
+ UInt32 limit = endPos - 5;
+ while(bufferPos <= limit)
+ {
+ Byte b = _buffer[bufferPos];
+ _mainStream.WriteByte(b);
+ if (b != 0xE8 && b != 0xE9 && !IsJcc(prevByte, b))
+ {
+ bufferPos++;
+ prevByte = b;
+ continue;
+ }
+ Byte nextByte = _buffer[bufferPos + 4];
+ UInt32 src =
+ (UInt32(nextByte) << 24) |
+ (UInt32(_buffer[bufferPos + 3]) << 16) |
+ (UInt32(_buffer[bufferPos + 2]) << 8) |
+ (_buffer[bufferPos + 1]);
+ UInt32 dest = (nowPos + bufferPos + 5) + src;
+ // if (Test86MSByte(nextByte))
+ bool convert;
+ if (getSubStreamSize != NULL)
+ {
+ UInt64 currentPos = (nowPos64 + bufferPos);
+ while (subStreamEndPos < currentPos)
+ {
+ UInt64 subStreamSize;
+ HRESULT result = getSubStreamSize->GetSubStreamSize(subStreamIndex, &subStreamSize);
+ if (result == S_OK)
+ {
+ subStreamStartPos = subStreamEndPos;
+ subStreamEndPos += subStreamSize;
+ subStreamIndex++;
+ }
+ else if (result == S_FALSE || result == E_NOTIMPL)
+ {
+ getSubStreamSize.Release();
+ subStreamStartPos = 0;
+ subStreamEndPos = subStreamStartPos - 1;
+ }
+ else
+ return result;
+ }
+ if (getSubStreamSize == NULL)
+ {
+ if (sizeIsDefined)
+ convert = (dest < inSize);
+ else
+ convert = Test86MSByte(nextByte);
+ }
+ else if (subStreamEndPos - subStreamStartPos > kDefaultLimit)
+ convert = Test86MSByte(nextByte);
+ else
+ {
+ UInt64 dest64 = (currentPos + 5) + Int64(Int32(src));
+ convert = (dest64 >= subStreamStartPos && dest64 < subStreamEndPos);
+ }
+ }
+ else if (sizeIsDefined)
+ convert = (dest < inSize);
+ else
+ convert = Test86MSByte(nextByte);
+ if (convert)
+ {
+ if (b == 0xE8)
+ _statusE8Encoder[prevByte].Encode(&_rangeEncoder, 1);
+ else if (b == 0xE9)
+ _statusE9Encoder.Encode(&_rangeEncoder, 1);
+ else
+ _statusJccEncoder.Encode(&_rangeEncoder, 1);
+
+ bufferPos += 5;
+ if (b == 0xE8)
+ {
+ _callStream.WriteByte((Byte)(dest >> 24));
+ _callStream.WriteByte((Byte)(dest >> 16));
+ _callStream.WriteByte((Byte)(dest >> 8));
+ _callStream.WriteByte((Byte)(dest));
+ }
+ else
+ {
+ _jumpStream.WriteByte((Byte)(dest >> 24));
+ _jumpStream.WriteByte((Byte)(dest >> 16));
+ _jumpStream.WriteByte((Byte)(dest >> 8));
+ _jumpStream.WriteByte((Byte)(dest));
+ }
+ prevByte = nextByte;
+ }
+ else
+ {
+ if (b == 0xE8)
+ _statusE8Encoder[prevByte].Encode(&_rangeEncoder, 0);
+ else if (b == 0xE9)
+ _statusE9Encoder.Encode(&_rangeEncoder, 0);
+ else
+ _statusJccEncoder.Encode(&_rangeEncoder, 0);
+ bufferPos++;
+ prevByte = b;
+ }
+ }
+ nowPos += bufferPos;
+ nowPos64 += bufferPos;
+
+ if (progress != NULL)
+ {
+ RINOK(progress->SetRatioInfo(&nowPos64, NULL));
+ }
+
+ UInt32 i = 0;
+ while(bufferPos < endPos)
+ _buffer[i++] = _buffer[bufferPos++];
+ bufferPos = i;
+ }
+}
+
+STDMETHODIMP CBCJ2_x86_Encoder::Code(ISequentialInStream **inStreams,
+ const UInt64 **inSizes,
+ UInt32 numInStreams,
+ ISequentialOutStream **outStreams,
+ const UInt64 **outSizes,
+ UInt32 numOutStreams,
+ ICompressProgressInfo *progress)
+{
+ try
+ {
+ return CodeReal(inStreams, inSizes, numInStreams,
+ outStreams, outSizes,numOutStreams, progress);
+ }
+ catch(const COutBufferException &e) { return e.ErrorCode; }
+ catch(...) { return S_FALSE; }
+}
+
+#endif
+
+HRESULT CBCJ2_x86_Decoder::CodeReal(ISequentialInStream **inStreams,
+ const UInt64 **inSizes,
+ UInt32 numInStreams,
+ ISequentialOutStream **outStreams,
+ const UInt64 **outSizes,
+ UInt32 numOutStreams,
+ ICompressProgressInfo *progress)
+{
+ if (numInStreams != 4 || numOutStreams != 1)
+ return E_INVALIDARG;
+
+ if (!_mainInStream.Create(1 << 16))
+ return E_OUTOFMEMORY;
+ if (!_callStream.Create(1 << 20))
+ return E_OUTOFMEMORY;
+ if (!_jumpStream.Create(1 << 16))
+ return E_OUTOFMEMORY;
+ if (!_rangeDecoder.Create(1 << 20))
+ return E_OUTOFMEMORY;
+ if (!_outStream.Create(1 << 16))
+ return E_OUTOFMEMORY;
+
+ _mainInStream.SetStream(inStreams[0]);
+ _callStream.SetStream(inStreams[1]);
+ _jumpStream.SetStream(inStreams[2]);
+ _rangeDecoder.SetStream(inStreams[3]);
+ _outStream.SetStream(outStreams[0]);
+
+ _mainInStream.Init();
+ _callStream.Init();
+ _jumpStream.Init();
+ _rangeDecoder.Init();
+ _outStream.Init();
+
+ for (int i = 0; i < 256; i++)
+ _statusE8Decoder[i].Init();
+ _statusE9Decoder.Init();
+ _statusJccDecoder.Init();
+
+ CCoderReleaser releaser(this);
+
+ Byte prevByte = 0;
+ UInt32 processedBytes = 0;
+ while(true)
+ {
+ if (processedBytes > (1 << 20) && progress != NULL)
+ {
+ UInt64 nowPos64 = _outStream.GetProcessedSize();
+ RINOK(progress->SetRatioInfo(NULL, &nowPos64));
+ processedBytes = 0;
+ }
+ processedBytes++;
+ Byte b;
+ if (!_mainInStream.ReadByte(b))
+ return Flush();
+ _outStream.WriteByte(b);
+ if (b != 0xE8 && b != 0xE9 && !IsJcc(prevByte, b))
+ {
+ prevByte = b;
+ continue;
+ }
+ bool status;
+ if (b == 0xE8)
+ status = (_statusE8Decoder[prevByte].Decode(&_rangeDecoder) == 1);
+ else if (b == 0xE9)
+ status = (_statusE9Decoder.Decode(&_rangeDecoder) == 1);
+ else
+ status = (_statusJccDecoder.Decode(&_rangeDecoder) == 1);
+ if (status)
+ {
+ UInt32 src;
+ if (b == 0xE8)
+ {
+ Byte b0;
+ if(!_callStream.ReadByte(b0))
+ return S_FALSE;
+ src = ((UInt32)b0) << 24;
+ if(!_callStream.ReadByte(b0))
+ return S_FALSE;
+ src |= ((UInt32)b0) << 16;
+ if(!_callStream.ReadByte(b0))
+ return S_FALSE;
+ src |= ((UInt32)b0) << 8;
+ if(!_callStream.ReadByte(b0))
+ return S_FALSE;
+ src |= ((UInt32)b0);
+ }
+ else
+ {
+ Byte b0;
+ if(!_jumpStream.ReadByte(b0))
+ return S_FALSE;
+ src = ((UInt32)b0) << 24;
+ if(!_jumpStream.ReadByte(b0))
+ return S_FALSE;
+ src |= ((UInt32)b0) << 16;
+ if(!_jumpStream.ReadByte(b0))
+ return S_FALSE;
+ src |= ((UInt32)b0) << 8;
+ if(!_jumpStream.ReadByte(b0))
+ return S_FALSE;
+ src |= ((UInt32)b0);
+ }
+ UInt32 dest = src - (UInt32(_outStream.GetProcessedSize()) + 4) ;
+ _outStream.WriteByte((Byte)(dest));
+ _outStream.WriteByte((Byte)(dest >> 8));
+ _outStream.WriteByte((Byte)(dest >> 16));
+ _outStream.WriteByte((Byte)(dest >> 24));
+ prevByte = (dest >> 24);
+ processedBytes += 4;
+ }
+ else
+ prevByte = b;
+ }
+}
+
+STDMETHODIMP CBCJ2_x86_Decoder::Code(ISequentialInStream **inStreams,
+ const UInt64 **inSizes,
+ UInt32 numInStreams,
+ ISequentialOutStream **outStreams,
+ const UInt64 **outSizes,
+ UInt32 numOutStreams,
+ ICompressProgressInfo *progress)
+{
+ try
+ {
+ return CodeReal(inStreams, inSizes, numInStreams,
+ outStreams, outSizes,numOutStreams, progress);
+ }
+ catch(const COutBufferException &e) { return e.ErrorCode; }
+ catch(...) { return S_FALSE; }
+}
|