362 lines
9.9 KiB
C++
362 lines
9.9 KiB
C++
#pragma once
|
|
#include "MetadataDef.h"
|
|
#include "BlobReader.h"
|
|
#include "MetadataUtil.h"
|
|
|
|
namespace hybridclr
|
|
{
|
|
namespace metadata
|
|
{
|
|
enum class LoadImageErrorCode
|
|
{
|
|
OK = 0,
|
|
BAD_IMAGE,
|
|
NOT_IMPLEMENT,
|
|
AOT_ASSEMBLY_NOT_FIND,
|
|
HOMOLOGOUS_ONLY_SUPPORT_AOT_ASSEMBLY,
|
|
HOMOLOGOUS_ASSEMBLY_HAS_BEEN_LOADED,
|
|
INVALID_HOMOLOGOUS_MODE,
|
|
};
|
|
|
|
class RawImage
|
|
{
|
|
public:
|
|
RawImage(): _ptrRawData(nullptr), _imageLength(0), _ptrRawDataEnd(nullptr),
|
|
_isDll(false), _PEHeader(nullptr), _PESectionHeaders(nullptr), _ptrMetaData(nullptr), _ptrMetaRoot(nullptr),
|
|
_streamStringHeap{}, _streamUS{}, _streamBlobHeap{}, _streamGuidHeap{}, _streamTables{},
|
|
_stringHeapStrNum(0), _userStringStrNum(0), _blobNum(0),
|
|
_4byteStringIndex(false), _4byteGUIDIndex(false), _4byteBlobIndex(false)
|
|
{
|
|
|
|
}
|
|
|
|
|
|
LoadImageErrorCode Load(const void* imageData, size_t length);
|
|
|
|
uint32_t GetTypeCount() const
|
|
{
|
|
return _tables[(int)TableType::TYPEDEF].rowNum;
|
|
}
|
|
|
|
uint32_t GetExportedTypeCount() const
|
|
{
|
|
return _tables[(int)TableType::EXPORTEDTYPE].rowNum;
|
|
}
|
|
|
|
const char* GetStringFromRawIndex(StringIndex index) const
|
|
{
|
|
IL2CPP_ASSERT(DecodeImageIndex(index) == 0);
|
|
IL2CPP_ASSERT(index >= 0 && (uint32_t)index < _streamStringHeap.size);
|
|
return (const char*)(_streamStringHeap.data + index);
|
|
}
|
|
|
|
const byte* GetBlobFromRawIndex(StringIndex index) const
|
|
{
|
|
IL2CPP_ASSERT(DecodeImageIndex(index) == 0);
|
|
IL2CPP_ASSERT(index >= 0 && (size_t)index < _streamBlobHeap.size);
|
|
return _streamBlobHeap.data + index;
|
|
}
|
|
|
|
const uint8_t* GetFieldOrParameterDefalutValueByRawIndex(uint32_t index) const
|
|
{
|
|
return _ptrRawData + index;
|
|
}
|
|
|
|
static BlobReader DecodeBlob(const byte* buf)
|
|
{
|
|
uint32_t sizeLength;
|
|
uint32_t length = BlobReader::ReadCompressedUint32(buf, sizeLength);
|
|
return BlobReader(buf + sizeLength, length);
|
|
}
|
|
|
|
BlobReader GetBlobReaderByRawIndex(uint32_t rawIndex) const
|
|
{
|
|
IL2CPP_ASSERT(DecodeImageIndex(rawIndex) == 0);
|
|
const byte* buf = _streamBlobHeap.data + rawIndex;
|
|
return DecodeBlob(buf);
|
|
}
|
|
|
|
uint32_t GetImageOffsetOfBlob(Il2CppTypeEnum type, uint32_t index) const
|
|
{
|
|
if (type != IL2CPP_TYPE_STRING)
|
|
{
|
|
return (uint32_t)(GetBlobReaderByRawIndex(index).GetData() - _ptrRawData);
|
|
}
|
|
else
|
|
{
|
|
return (uint32_t)(_streamBlobHeap.data + index - _ptrRawData);
|
|
}
|
|
}
|
|
|
|
const byte* GetDataPtrByImageOffset(uint32_t imageOffset) const
|
|
{
|
|
IL2CPP_ASSERT(imageOffset < _imageLength);
|
|
return _ptrRawData + imageOffset;
|
|
}
|
|
|
|
const byte* GetTableRowPtr(TableType type, uint32_t rawIndex) const
|
|
{
|
|
auto& tb = _tables[(int)type];
|
|
IL2CPP_ASSERT(rawIndex > 0 && rawIndex <= tb.rowNum);
|
|
return tb.data + tb.rowMetaDataSize * (rawIndex - 1);
|
|
}
|
|
|
|
const Table& GetTable(TableType type) const
|
|
{
|
|
return _tables[(int)type];
|
|
}
|
|
|
|
const std::vector<ColumnOffsetSize>& GetRowSchema(TableType type) const
|
|
{
|
|
return _tableRowMetas[(int)type];
|
|
}
|
|
|
|
bool TranslateRVAToImageOffset(uint32_t rvaOffset, uint32_t& imageOffset);
|
|
|
|
LoadImageErrorCode LoadStreams();
|
|
|
|
LoadImageErrorCode LoadTables();
|
|
|
|
void BuildTableRowMetas();
|
|
|
|
uint32_t ComputTableRowMetaDataSize(TableType tableIndex) const;
|
|
|
|
uint32_t ComputStringIndexByte() const
|
|
{
|
|
return _4byteStringIndex ? 4 : 2;
|
|
}
|
|
|
|
uint32_t ComputGUIDIndexByte() const
|
|
{
|
|
return _4byteGUIDIndex ? 4 : 2;
|
|
}
|
|
|
|
uint32_t ComputBlobIndexByte() const
|
|
{
|
|
return _4byteBlobIndex ? 4 : 2;
|
|
}
|
|
|
|
uint32_t ComputTableIndexByte(TableType tableIndex) const
|
|
{
|
|
return _tables[(int)tableIndex].rowNum < 65536 ? 2 : 4;
|
|
}
|
|
|
|
uint32_t ComputIndexByte(uint32_t maxRowNum, uint32_t tagBitNum) const
|
|
{
|
|
return (maxRowNum << tagBitNum) < 65536 ? 2 : 4;
|
|
}
|
|
|
|
uint32_t GetTableRowNum(TableType tableIndex) const
|
|
{
|
|
return _tables[(int)tableIndex].rowNum;
|
|
}
|
|
|
|
uint32_t ComputTableIndexByte(TableType t1, TableType t2, uint32_t tagBitNum) const
|
|
{
|
|
uint32_t n = GetTableRowNum(t1);
|
|
n = std::max(n, GetTableRowNum(t2));
|
|
return ComputIndexByte(n, tagBitNum);
|
|
}
|
|
|
|
uint32_t ComputTableIndexByte(TableType t1, TableType t2, TableType t3, uint32_t tagBitNum) const
|
|
{
|
|
uint32_t n = GetTableRowNum(t1);
|
|
n = std::max(n, GetTableRowNum(t2));
|
|
n = std::max(n, GetTableRowNum(t3));
|
|
return ComputIndexByte(n, tagBitNum);
|
|
}
|
|
|
|
uint32_t ComputTableIndexByte(TableType t1, TableType t2, TableType t3, TableType t4, uint32_t tagBitNum) const
|
|
{
|
|
uint32_t n = GetTableRowNum(t1);
|
|
n = std::max(n, GetTableRowNum(t2));
|
|
n = std::max(n, GetTableRowNum(t3));
|
|
n = std::max(n, GetTableRowNum(t4));
|
|
return ComputIndexByte(n, tagBitNum);
|
|
}
|
|
|
|
uint32_t ComputTableIndexByte(TableType t1, TableType t2, TableType t3, TableType t4, TableType t5, uint32_t tagBitNum) const
|
|
{
|
|
uint32_t n = GetTableRowNum(t1);
|
|
n = std::max(n, GetTableRowNum(t2));
|
|
n = std::max(n, GetTableRowNum(t3));
|
|
n = std::max(n, GetTableRowNum(t4));
|
|
n = std::max(n, GetTableRowNum(t5));
|
|
return ComputIndexByte(n, tagBitNum);
|
|
}
|
|
|
|
uint32_t ComputTableIndexByte(const TableType* ts, int num, uint32_t tagBitNum) const
|
|
{
|
|
uint32_t n = 0;
|
|
for (int i = 0; i < num; i++)
|
|
{
|
|
n = std::max(n, GetTableRowNum(ts[i]));
|
|
}
|
|
return ComputIndexByte(n, tagBitNum);
|
|
}
|
|
|
|
uint32_t GetEntryPointToken() const
|
|
{
|
|
return _CLIHeader->entryPointToken;
|
|
}
|
|
|
|
const byte* GetUserStringBlogByIndex(uint32_t index) const
|
|
{
|
|
IL2CPP_ASSERT(index >= 0 && (uint32_t)index < _streamUS.size);
|
|
return _streamUS.data + index;
|
|
}
|
|
private:
|
|
uint32_t ReadColumn(const byte* rowPtr, const ColumnOffsetSize& columnMt) const
|
|
{
|
|
return ReadColumn(rowPtr, columnMt.offset, columnMt.size);
|
|
}
|
|
|
|
uint32_t ReadColumn(const byte* data, uint32_t offset, uint32_t size) const
|
|
{
|
|
IL2CPP_ASSERT(size == 2 || size == 4);
|
|
return (size == 2 ? *(uint16_t*)(data + offset) : *(uint32_t*)(data + offset));
|
|
}
|
|
|
|
public:
|
|
|
|
|
|
#define TABLE_BEGIN(name, tableType) Tb##name Read##name(uint32_t rawIndex) const \
|
|
{ \
|
|
IL2CPP_ASSERT(rawIndex > 0 && rawIndex <= GetTable(tableType).rowNum); \
|
|
const byte* rowPtr = GetTableRowPtr(tableType, rawIndex); \
|
|
auto& rowSchema = GetRowSchema(tableType); \
|
|
uint32_t __fieldIndex = 0; \
|
|
Tb##name __r = {};
|
|
|
|
#define __F(fieldName) const ColumnOffsetSize& col_##fieldName = rowSchema[__fieldIndex++]; \
|
|
__r.fieldName = ReadColumn(rowPtr, col_##fieldName);
|
|
|
|
#define TABLE_END return __r; \
|
|
}
|
|
|
|
#define TABLE1(name, tableType, f1) TABLE_BEGIN(name, tableType) \
|
|
__F(f1) \
|
|
TABLE_END
|
|
|
|
#define TABLE2(name, tableType, f1, f2) TABLE_BEGIN(name, tableType) \
|
|
__F(f1) \
|
|
__F(f2) \
|
|
TABLE_END
|
|
|
|
#define TABLE3(name, tableType, f1, f2, f3) TABLE_BEGIN(name, tableType) \
|
|
__F(f1) \
|
|
__F(f2) \
|
|
__F(f3) \
|
|
TABLE_END
|
|
|
|
#define TABLE4(name, tableType, f1, f2, f3, f4) TABLE_BEGIN(name, tableType) \
|
|
__F(f1) \
|
|
__F(f2) \
|
|
__F(f3) \
|
|
__F(f4) \
|
|
TABLE_END
|
|
|
|
#define TABLE5(name, tableType, f1, f2, f3, f4, f5) TABLE_BEGIN(name, tableType) \
|
|
__F(f1) \
|
|
__F(f2) \
|
|
__F(f3) \
|
|
__F(f4) \
|
|
__F(f5) \
|
|
TABLE_END
|
|
|
|
#define TABLE6(name, tableType, f1, f2, f3, f4, f5, f6) TABLE_BEGIN(name, tableType) \
|
|
__F(f1) \
|
|
__F(f2) \
|
|
__F(f3) \
|
|
__F(f4) \
|
|
__F(f5) \
|
|
__F(f6) \
|
|
TABLE_END
|
|
|
|
TABLE5(Module, TableType::MODULE, generation, name, mvid, encid, encBaseId);
|
|
TABLE3(TypeRef, TableType::TYPEREF, resolutionScope, typeName, typeNamespace)
|
|
TABLE6(TypeDef, TableType::TYPEDEF, flags, typeName, typeNamespace, extends, fieldList, methodList)
|
|
TABLE1(TypeSpec, TableType::TYPESPEC, signature);
|
|
TABLE3(Field, TableType::FIELD, flags, name, signature)
|
|
TABLE4(GenericParam, TableType::GENERICPARAM, number, flags, owner, name)
|
|
TABLE2(GenericParamConstraint, TableType::GENERICPARAMCONSTRAINT, owner, constraint)
|
|
TABLE3(MemberRef, TableType::MEMBERREF, classIdx, name, signature)
|
|
TABLE1(StandAloneSig, TableType::STANDALONESIG, signature)
|
|
TABLE3(MethodImpl, TableType::METHODIMPL, classIdx, methodBody, methodDeclaration)
|
|
TABLE2(FieldRVA, TableType::FIELDRVA, rva, field)
|
|
TABLE2(FieldLayout, TableType::FIELDLAYOUT, offset, field)
|
|
TABLE3(Constant, TableType::CONSTANT, type, parent, value)
|
|
TABLE2(MethodSpec, TableType::METHODSPEC, method, instantiation)
|
|
TABLE3(CustomAttribute, TableType::CUSTOMATTRIBUTE, parent, type, value)
|
|
TABLE2(PropertyMap, TableType::PROPERTYMAP, parent, propertyList)
|
|
TABLE3(Property, TableType::PROPERTY, flags, name, type)
|
|
TABLE2(EventMap, TableType::EVENTMAP, parent, eventList)
|
|
TABLE3(Event, TableType::EVENT, eventFlags, name, eventType)
|
|
TABLE3(MethodSemantics, TableType::METHODSEMANTICS, semantics, method, association)
|
|
|
|
TABLE2(NestedClass, TableType::NESTEDCLASS, nestedClass, enclosingClass)
|
|
TABLE6(Method, TableType::METHOD, rva, implFlags, flags, name, signature, paramList)
|
|
TABLE3(Param, TableType::PARAM, flags, sequence, name)
|
|
|
|
TABLE3(ClassLayout, TableType::CLASSLAYOUT, packingSize, classSize, parent)
|
|
TABLE2(InterfaceImpl, TableType::INTERFACEIMPL, classIdx, interfaceIdx)
|
|
|
|
TABLE_BEGIN(Assembly, TableType::ASSEMBLY)
|
|
__F(hashAlgId)
|
|
__F(majorVersion)
|
|
__F(minorVersion)
|
|
__F(buildNumber)
|
|
__F(revisionNumber)
|
|
__F(flags)
|
|
__F(publicKey)
|
|
__F(name)
|
|
__F(culture)
|
|
TABLE_END
|
|
|
|
|
|
TABLE_BEGIN(AssemblyRef, TableType::ASSEMBLYREF)
|
|
__F(majorVersion)
|
|
__F(minorVersion)
|
|
__F(buildNumber)
|
|
__F(revisionNumber)
|
|
__F(flags)
|
|
__F(publicKeyOrToken)
|
|
__F(name)
|
|
__F(culture)
|
|
__F(hashValue)
|
|
TABLE_END
|
|
|
|
private:
|
|
const byte* _ptrRawData;
|
|
uint32_t _imageLength;
|
|
const byte* _ptrRawDataEnd;
|
|
|
|
bool _isDll;
|
|
const PEHeader* _PEHeader;
|
|
const CLIHeader* _CLIHeader;
|
|
const PESectionHeader* _PESectionHeaders;
|
|
const MetadataRootPartial* _ptrMetaRoot;
|
|
|
|
const byte* _ptrMetaData;
|
|
|
|
CliStream _streamStringHeap;
|
|
CliStream _streamUS;
|
|
CliStream _streamBlobHeap;
|
|
CliStream _streamGuidHeap;
|
|
CliStream _streamTables;
|
|
|
|
uint32_t _stringHeapStrNum;
|
|
|
|
uint32_t _userStringStrNum;
|
|
uint32_t _blobNum;
|
|
|
|
|
|
bool _4byteStringIndex;
|
|
bool _4byteGUIDIndex;
|
|
bool _4byteBlobIndex;
|
|
|
|
Table _tables[TABLE_NUM];
|
|
std::vector<ColumnOffsetSize> _tableRowMetas[TABLE_NUM];
|
|
};
|
|
}
|
|
} |