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# Conflicts: # CMakeLists.txt # libraries/glslang/OGLCompilersDLL/CMakeLists.txt # libraries/glslang/OGLCompilersDLL/InitializeDll.cpp # libraries/glslang/OGLCompilersDLL/InitializeDll.h # libraries/glslang/glslang/CMakeLists.txt # libraries/glslang/glslang/GenericCodeGen/CodeGen.cpp # libraries/glslang/glslang/GenericCodeGen/Link.cpp # libraries/glslang/glslang/Include/BaseTypes.h # libraries/glslang/glslang/Include/Common.h # libraries/glslang/glslang/Include/ConstantUnion.h # libraries/glslang/glslang/Include/InfoSink.h # libraries/glslang/glslang/Include/InitializeGlobals.h # libraries/glslang/glslang/Include/PoolAlloc.h # libraries/glslang/glslang/Include/ResourceLimits.h # libraries/glslang/glslang/Include/ShHandle.h # libraries/glslang/glslang/Include/Types.h # libraries/glslang/glslang/Include/arrays.h # libraries/glslang/glslang/Include/intermediate.h # libraries/glslang/glslang/Include/revision.h # libraries/glslang/glslang/Include/revision.template # libraries/glslang/glslang/MachineIndependent/Constant.cpp # libraries/glslang/glslang/MachineIndependent/InfoSink.cpp # libraries/glslang/glslang/MachineIndependent/Initialize.cpp # libraries/glslang/glslang/MachineIndependent/Initialize.h # libraries/glslang/glslang/MachineIndependent/IntermTraverse.cpp # libraries/glslang/glslang/MachineIndependent/Intermediate.cpp # libraries/glslang/glslang/MachineIndependent/LiveTraverser.h # libraries/glslang/glslang/MachineIndependent/ParseContextBase.cpp # libraries/glslang/glslang/MachineIndependent/ParseHelper.cpp # libraries/glslang/glslang/MachineIndependent/ParseHelper.h # libraries/glslang/glslang/MachineIndependent/PoolAlloc.cpp # libraries/glslang/glslang/MachineIndependent/RemoveTree.cpp # libraries/glslang/glslang/MachineIndependent/RemoveTree.h # libraries/glslang/glslang/MachineIndependent/Scan.cpp # libraries/glslang/glslang/MachineIndependent/Scan.h # libraries/glslang/glslang/MachineIndependent/ScanContext.h # libraries/glslang/glslang/MachineIndependent/ShaderLang.cpp # libraries/glslang/glslang/MachineIndependent/SymbolTable.cpp # libraries/glslang/glslang/MachineIndependent/SymbolTable.h # libraries/glslang/glslang/MachineIndependent/Versions.cpp # libraries/glslang/glslang/MachineIndependent/Versions.h # libraries/glslang/glslang/MachineIndependent/attribute.cpp # libraries/glslang/glslang/MachineIndependent/attribute.h # libraries/glslang/glslang/MachineIndependent/gl_types.h # libraries/glslang/glslang/MachineIndependent/glslang.y # libraries/glslang/glslang/MachineIndependent/glslang_tab.cpp # libraries/glslang/glslang/MachineIndependent/glslang_tab.cpp.h # libraries/glslang/glslang/MachineIndependent/intermOut.cpp # libraries/glslang/glslang/MachineIndependent/iomapper.cpp # libraries/glslang/glslang/MachineIndependent/iomapper.h # libraries/glslang/glslang/MachineIndependent/limits.cpp # libraries/glslang/glslang/MachineIndependent/linkValidate.cpp # libraries/glslang/glslang/MachineIndependent/localintermediate.h # libraries/glslang/glslang/MachineIndependent/parseConst.cpp # libraries/glslang/glslang/MachineIndependent/parseVersions.h # libraries/glslang/glslang/MachineIndependent/pch.cpp # libraries/glslang/glslang/MachineIndependent/pch.h # libraries/glslang/glslang/MachineIndependent/preprocessor/Pp.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpAtom.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpContext.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpContext.h # libraries/glslang/glslang/MachineIndependent/preprocessor/PpScanner.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpTokens.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpTokens.h # libraries/glslang/glslang/MachineIndependent/propagateNoContraction.cpp # libraries/glslang/glslang/MachineIndependent/propagateNoContraction.h # libraries/glslang/glslang/MachineIndependent/reflection.cpp # libraries/glslang/glslang/MachineIndependent/reflection.h # libraries/glslang/glslang/OSDependent/Unix/CMakeLists.txt # libraries/glslang/glslang/OSDependent/Unix/ossource.cpp # libraries/glslang/glslang/OSDependent/Windows/CMakeLists.txt # libraries/glslang/glslang/OSDependent/Windows/main.cpp # libraries/glslang/glslang/OSDependent/Windows/ossource.cpp # libraries/glslang/glslang/OSDependent/osinclude.h # libraries/glslang/glslang/Public/ShaderLang.h # libraries/glslang/glslang/updateGrammar # libraries/glslang/spirv/CMakeLists.txt # libraries/glslang/spirv/GLSL.ext.AMD.h # libraries/glslang/spirv/GLSL.ext.EXT.h # libraries/glslang/spirv/GLSL.ext.KHR.h # libraries/glslang/spirv/GLSL.ext.NV.h # libraries/glslang/spirv/GLSL.std.450.h # libraries/glslang/spirv/GlslangToSpv.cpp # libraries/glslang/spirv/GlslangToSpv.h # libraries/glslang/spirv/InReadableOrder.cpp # libraries/glslang/spirv/Logger.cpp # libraries/glslang/spirv/Logger.h # libraries/glslang/spirv/SPVRemapper.cpp # libraries/glslang/spirv/SPVRemapper.h # libraries/glslang/spirv/SpvBuilder.cpp # libraries/glslang/spirv/SpvBuilder.h # libraries/glslang/spirv/SpvPostProcess.cpp # libraries/glslang/spirv/SpvTools.cpp # libraries/glslang/spirv/SpvTools.h # libraries/glslang/spirv/bitutils.h # libraries/glslang/spirv/disassemble.cpp # libraries/glslang/spirv/disassemble.h # libraries/glslang/spirv/doc.cpp # libraries/glslang/spirv/doc.h # libraries/glslang/spirv/hex_float.h # libraries/glslang/spirv/spirv.hpp # libraries/glslang/spirv/spvIR.h # src/CMakeLists.txt
82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/* Bra86.c -- Converter for x86 code (BCJ)
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2017-04-03 : Igor Pavlov : Public domain */
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#include "Precomp.h"
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#include "Bra.h"
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#define Test86MSByte(b) ((((b) + 1) & 0xFE) == 0)
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SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding)
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{
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SizeT pos = 0;
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UInt32 mask = *state & 7;
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if (size < 5)
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return 0;
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size -= 4;
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ip += 5;
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for (;;)
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{
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Byte *p = data + pos;
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const Byte *limit = data + size;
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for (; p < limit; p++)
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if ((*p & 0xFE) == 0xE8)
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break;
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{
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SizeT d = (SizeT)(p - data - pos);
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pos = (SizeT)(p - data);
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if (p >= limit)
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{
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*state = (d > 2 ? 0 : mask >> (unsigned)d);
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return pos;
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}
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if (d > 2)
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mask = 0;
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else
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{
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mask >>= (unsigned)d;
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if (mask != 0 && (mask > 4 || mask == 3 || Test86MSByte(p[(size_t)(mask >> 1) + 1])))
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{
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mask = (mask >> 1) | 4;
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pos++;
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continue;
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}
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}
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}
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if (Test86MSByte(p[4]))
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{
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UInt32 v = ((UInt32)p[4] << 24) | ((UInt32)p[3] << 16) | ((UInt32)p[2] << 8) | ((UInt32)p[1]);
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UInt32 cur = ip + (UInt32)pos;
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pos += 5;
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if (encoding)
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v += cur;
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else
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v -= cur;
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if (mask != 0)
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{
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unsigned sh = (mask & 6) << 2;
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if (Test86MSByte((Byte)(v >> sh)))
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{
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v ^= (((UInt32)0x100 << sh) - 1);
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if (encoding)
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v += cur;
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else
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v -= cur;
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}
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mask = 0;
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}
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p[1] = (Byte)v;
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p[2] = (Byte)(v >> 8);
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p[3] = (Byte)(v >> 16);
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p[4] = (Byte)(0 - ((v >> 24) & 1));
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}
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else
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{
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mask = (mask >> 1) | 4;
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pos++;
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}
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}
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}
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