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Initial checkin
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Brian Fiete
parent
c74712dad9
commit
078564ac9e
3242 changed files with 1616395 additions and 0 deletions
322
IDEHelper/Linker/BlPdbParser.cpp
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322
IDEHelper/Linker/BlPdbParser.cpp
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#include "BlPdbParser.h"
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#include "BlContext.h"
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#include "codeview/cvinfo.h"
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#include "BlCvParser.h"
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#include "BlCvTypeSource.h"
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USING_NS_BF;
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#define MSF_SIGNATURE_700 "Microsoft C/C++ MSF 7.00\r\n\032DS\0\0"
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#define GET(T) *((T*)(data += sizeof(T)) - 1)
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#define GET_INTO(T, name) T name = GET(T)
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#define PTR_ALIGN(ptr, origPtr, alignSize) ptr = ( (origPtr)+( ((ptr - origPtr) + (alignSize - 1)) & ~(alignSize - 1) ) )
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void BlPdbParser::Fail(const StringImpl& err)
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{
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BF_FATAL("Err");
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}
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void BlPdbParser::NotImpl()
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{
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BF_FATAL("NotImpl");
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}
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BlPdbParser::BlPdbParser()
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{
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mCvHeaderData = NULL;
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mCvTypeSectionData = NULL;
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mCvIPIData = NULL;
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mMappedFile = NULL;
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}
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BlPdbParser::~BlPdbParser()
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{
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delete mCvHeaderData;
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delete mCvTypeSectionData;
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delete mCvIPIData;
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delete mMappedFile;
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}
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bool BlPdbParser::Load(const StringImpl& fileName)
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{
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mMappedFile = new MappedFile();
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if (!mMappedFile->Open(fileName))
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return false;
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mData = (uint8*)mMappedFile->mData;
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uint8* data = (uint8*)mMappedFile->mData;
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if (memcmp(data, MSF_SIGNATURE_700, 32) != 0)
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{
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Fail("PDB signature error");
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return false;
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}
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data += 32;
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int pageSize = GET(int32);
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int fpmPageNum = GET(int32);
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int totalPageCount = GET(int32);
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int rootDirSize = GET(int32);
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int unknown = GET(int32);
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int rootDirPtr = GET(int32);
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bool failed = false;
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mCvPageSize = pageSize;
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int rootPageCount = (rootDirSize + pageSize - 1) / pageSize;
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int rootPointersPages = (rootPageCount * sizeof(int32) + pageSize - 1) / pageSize;
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int rootPageIdx = 0;
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std::vector<uint8> rootDirData;
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rootDirData.resize(rootPageCount * pageSize);
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data = mData + (rootDirPtr * pageSize);
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int32* rootPages = (int32*)data;
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for (int subRootPageIdx = 0; subRootPageIdx < pageSize / 4; subRootPageIdx++, rootPageIdx++)
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{
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if (rootPageIdx >= rootPageCount)
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break;
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int rootPagePtr = rootPages[subRootPageIdx];
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if (rootPagePtr == 0)
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break;
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data = mData + (rootPagePtr * pageSize);
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memcpy(&rootDirData[rootPageIdx * pageSize], data, pageSize);
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data += pageSize;
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}
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if (!ParseCv(&rootDirData[0]))
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{
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Fail("Failed to parse PDB");
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return false;
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}
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return true;
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}
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bool BlPdbParser::CvParseHeader()
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{
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uint8* data = CvReadStream(1);
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mCvHeaderData = data;
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int32 pdbVersion = GET(int32);
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int32 timestamp = GET(int32);
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int32 pdbAge = GET(int32);
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int8 pdbGuid[16];
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for (int i = 0; i < 16; i++)
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pdbGuid[i] = GET(int8);
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/*if ((wantAge != -1) &&
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((pdbAge != wantAge) || (memcmp(pdbGuid, wantGuid, 16) != 0)))
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{
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String msg = "PDB version did not match requested version\n";
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msg += StrFormat(" Age: %d Module GUID: ", wantAge);
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for (int i = 0; i < 16; i++)
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msg += StrFormat("%02X", (uint8)wantGuid[i]);
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msg += "\n";
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msg += StrFormat(" Age: %d PDB GUID : ", pdbAge);
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for (int i = 0; i < 16; i++)
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msg += StrFormat("%02X", (uint8)pdbGuid[i]);
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msg += "\n";
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mDebugger->OutputMessage(msg);
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return false;
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}*/
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int nameTableIdx = -1;
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GET_INTO(int32, strTabLen);
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const char* strTab = (const char*)data;
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data += strTabLen;
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GET_INTO(int32, numStrItems);
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GET_INTO(int32, strItemMax);
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GET_INTO(int32, usedLen);
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data += usedLen * sizeof(int32);
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GET_INTO(int32, deletedLen);
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data += deletedLen * sizeof(int32);
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for (int tableIdx = 0; tableIdx < numStrItems; tableIdx++)
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{
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GET_INTO(int32, strOfs);
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GET_INTO(int32, streamNum);
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const char* tableName = strTab + strOfs;
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if (strcmp(tableName, "/names") == 0)
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mStringTable.mStream = streamNum;
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}
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return true;
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}
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uint8* BlPdbParser::CvReadStream(int streamIdx, int* outSize)
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{
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int streamSize = mCvStreamSizes[streamIdx];
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if (outSize != NULL)
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*outSize = streamSize;
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if (streamSize <= 0)
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return NULL;
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int streamPageCount = (streamSize + mCvPageSize - 1) / mCvPageSize;
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uint8* sectionData = new uint8[streamSize];
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bool deferDeleteSectionData = false;
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int streamPtrIdx = mCvStreamPtrStartIdxs[streamIdx];
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for (int streamPageIdx = 0; streamPageIdx < streamPageCount; streamPageIdx++)
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{
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uint8* data = mData + (mCvStreamPtrs[streamPtrIdx] * mCvPageSize);
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memcpy(sectionData + streamPageIdx * mCvPageSize, data, std::min(streamSize - (streamPageIdx * mCvPageSize), mCvPageSize));
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streamPtrIdx++;
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}
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return sectionData;
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}
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bool BlPdbParser::ParseCv(uint8* rootDirData)
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{
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uint8* data = rootDirData;
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bool failed = false;
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int numStreams = GET(int32);
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if (numStreams == 0)
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return true;
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mCvStreamSizes.resize(numStreams);
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mCvStreamPtrStartIdxs.resize(numStreams);
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int streamPages = 0;
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for (int i = 0; i < (int)mCvStreamSizes.size(); i++)
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mCvStreamSizes[i] = GET(int32);
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for (int streamIdx = 0; streamIdx < numStreams; streamIdx++)
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{
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mCvStreamPtrStartIdxs[streamIdx] = streamPages;
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if (mCvStreamSizes[streamIdx] > 0)
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streamPages += (mCvStreamSizes[streamIdx] + mCvPageSize - 1) / mCvPageSize;
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}
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mCvStreamPtrs.resize(streamPages);
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for (int i = 0; i < (int)mCvStreamPtrs.size(); i++)
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mCvStreamPtrs[i] = GET(int32);
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//////////////////////////////////////////////////////////////////////////
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if (!CvParseHeader())
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return false;
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ParseTypeData();
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ParseIPIData();
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return true;
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}
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void BlPdbParser::ParseTypeData()
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{
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int sectionSize = 0;
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mCvTypeSectionData = CvReadStream(2, §ionSize);
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uint8* data = mCvTypeSectionData;
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uint8* sectionData = mCvTypeSectionData;
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int32 ver = GET(int32);
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int32 headerSize = GET(int32);
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int32 minVal = GET(int32);
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int32 maxVal = GET(int32);
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int32 followSize = GET(int32);
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int16 hashStream = GET(int16);
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int16 hashStreamPadding = GET(int16);
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int32 hashKey = GET(int32);
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int32 hashBucketsSize = GET(int32);
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int32 hashValsOffset = GET(int32);
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int32 hashValsSize = GET(int32);
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int32 hashTypeInfoOffset = GET(int32);
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int32 hashTypeInfoSize = GET(int32);
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int32 hashAdjOffset = GET(int32);
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int32 hashAdjSize = GET(int32);
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mTypeSource->mTPI.mCvMinTag = minVal;
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mTypeSource->mTPI.mCvMaxTag = maxVal;
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//mCvTypeMap.clear();
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//mTypeSource->mTPI.mCvTagStartMap.clear();
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//mCvTypeMap.resize(maxVal - minVal);
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mTypeSource->mTPI.mCvTagStartMap.resize(maxVal - minVal);
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//DbgDataMap dataMap(minVal, maxVal);
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mTypeSource->mTPI.mSectionData = data;
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mTypeSource->mTPI.mSectionSize = sectionSize - (int)(data - sectionData);
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mTypeSource->mTPI.ScanTypeData();
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mTypeSource->mTPI.ParseTypeData();
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if (hashAdjSize > 0)
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{
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int sectionSize = 0;
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uint8* data = CvReadStream(hashStream, §ionSize);
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uint8* sectionData = data;
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data = sectionData + hashAdjOffset;
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GET_INTO(int32, adjustCount);
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GET_INTO(int32, unk0);
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GET_INTO(int32, unkCount);
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for (int i = 0; i < unkCount; i++)
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{
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GET_INTO(int32, unk2);
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}
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GET_INTO(int32, unkCount2);
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for (int i = 0; i < unkCount2; i++)
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{
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GET_INTO(int32, unk3);
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}
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// Types listed in the adjustment table are always primary types,
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// they should override any "old types" with the same name
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for (int adjIdx = 0; adjIdx < adjustCount; adjIdx++)
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{
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GET_INTO(int32, adjVal);
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GET_INTO(CV_typ_t, typeId);
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}
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delete[] sectionData;
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}
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}
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void BlPdbParser::ParseIPIData()
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{
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int sectionSize = 0;
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mCvIPIData = CvReadStream(4, §ionSize);
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uint8* data = mCvIPIData;
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uint8* sectionData = data;
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int32 ver = GET(int32);
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int32 headerSize = GET(int32);
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int32 minVal = GET(int32);
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int32 maxVal = GET(int32);
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int32 followSize = GET(int32);
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int16 hashStream = GET(int16);
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int16 hashStreamPadding = GET(int16);
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int32 hashKey = GET(int32);
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int32 hashBucketsSize = GET(int32);
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int32 hashValsOffset = GET(int32);
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int32 hashValsSize = GET(int32);
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int32 hashTypeInfoOffset = GET(int32);
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int32 hashTypeInfoSize = GET(int32);
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int32 hashAdjOffset = GET(int32);
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int32 hashAdjSize = GET(int32);
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mTypeSource->CreateIPI();
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mTypeSource->mIPI->mCvMinTag = minVal;
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mTypeSource->mIPI->mCvMaxTag = maxVal;
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int recordCount = maxVal - minVal;
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mTypeSource->mIPI->mCvTagStartMap.resize(recordCount);
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int typeDataSize = sectionSize - (int)(data - sectionData);
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mTypeSource->mIPI->mSectionData = data;
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mTypeSource->mIPI->mSectionSize = typeDataSize;
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mTypeSource->mIPI->ScanTypeData();
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mTypeSource->mIPI->ParseTypeData();
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}
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