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1//===- DbiModuleDescriptor.cpp - PDB module information -------------------===//

2//

3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

4// See https://llvm.org/LICENSE.txt for license information.

5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

6//

7//===----------------------------------------------------------------------===//

9#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"

10#include "llvm/DebugInfo/PDB/Native/RawTypes.h"

11#include "llvm/Support/BinaryStreamReader.h"

12#include "llvm/Support/Error.h"

13#include "llvm/Support/MathExtras.h"

14#include <cstdint>

16using namespacellvm;

17using namespacellvm::pdb;

18using namespacellvm::support;

20Error DbiModuleDescriptor::initialize(BinaryStreamRef Stream,

21DbiModuleDescriptor &Info) {

22BinaryStreamReader Reader(Stream);

23if (auto EC = Reader.readObject(Info.Layout))

24return EC;

26if (auto EC = Reader.readCString(Info.ModuleName))

27return EC;

29if (auto EC = Reader.readCString(Info.ObjFileName))

30return EC;

31returnError::success();

32}

34boolDbiModuleDescriptor::hasECInfo() const{

35return (Layout->Flags &ModInfoFlags::HasECFlagMask) != 0;

36}

38uint16_t DbiModuleDescriptor::getTypeServerIndex() const{

39return (Layout->Flags &ModInfoFlags::TypeServerIndexMask) >>

40ModInfoFlags::TypeServerIndexShift;

41}

43constSectionContrib &DbiModuleDescriptor::getSectionContrib() const{

44return Layout->SC;

45}

47uint16_t DbiModuleDescriptor::getModuleStreamIndex() const{

48return Layout->ModDiStream;

49}

51uint32_t DbiModuleDescriptor::getSymbolDebugInfoByteSize() const{

52return Layout->SymBytes;

53}

55uint32_t DbiModuleDescriptor::getC11LineInfoByteSize() const{

56return Layout->C11Bytes;

57}

59uint32_t DbiModuleDescriptor::getC13LineInfoByteSize() const{

60return Layout->C13Bytes;

61}

63uint32_t DbiModuleDescriptor::getNumberOfFiles() const{

64return Layout->NumFiles;

65}

67uint32_t DbiModuleDescriptor::getSourceFileNameIndex() const{

68return Layout->SrcFileNameNI;

69}

71uint32_t DbiModuleDescriptor::getPdbFilePathNameIndex() const{

72return Layout->PdbFilePathNI;

73}

75StringRef DbiModuleDescriptor::getModuleName() const{returnModuleName; }

77StringRef DbiModuleDescriptor::getObjFileName() const{return ObjFileName; }

79uint32_t DbiModuleDescriptor::getRecordLength() const{

80uint32_t M =ModuleName.str().size() + 1;

81uint32_t O = ObjFileName.str().size() + 1;

82uint32_t Size =sizeof(ModuleInfoHeader) + M + O;

83Size =alignTo(Size, 4);

84returnSize;

85}

BinaryStreamReader.h

Info

Analysis containing CSE Info

Definition:CSEInfo.cpp:27

DbiModuleDescriptor.h

Size

uint64_t Size

Definition:ELFObjHandler.cpp:81

MathExtras.h

RawTypes.h

llvm::BinaryStreamReader

Provides read only access to a subclass of BinaryStream.

Definition:BinaryStreamReader.h:29

llvm::BinaryStreamReader::readObject

Error readObject(const T *&Dest)

Get a pointer to an object of type T from the underlying stream, as if by memcpy, and store the resul...

Definition:BinaryStreamReader.h:160

llvm::BinaryStreamReader::readCString

Error readCString(StringRef &Dest)

Read a null terminated string from Dest.

Definition:BinaryStreamReader.cpp:73

llvm::BinaryStreamRef

BinaryStreamRef is to BinaryStream what ArrayRef is to an Array.

Definition:BinaryStreamRef.h:154

llvm::Error

Lightweight error class with error context and mandatory checking.

Definition:Error.h:160

llvm::Error::success

static ErrorSuccess success()

Create a success value.

Definition:Error.h:337

llvm::StringRef

StringRef - Represent a constant reference to a string, i.e.

Definition:StringRef.h:51

llvm::StringRef::str

std::string str() const

str - Get the contents as an std::string.

Definition:StringRef.h:229

llvm::pdb::DbiModuleDescriptor

Definition:DbiModuleDescriptor.h:23

llvm::pdb::DbiModuleDescriptor::getSymbolDebugInfoByteSize

uint32_t getSymbolDebugInfoByteSize() const

Definition:DbiModuleDescriptor.cpp:51

llvm::pdb::DbiModuleDescriptor::getSectionContrib

const SectionContrib & getSectionContrib() const

Definition:DbiModuleDescriptor.cpp:43

llvm::pdb::DbiModuleDescriptor::getRecordLength

uint32_t getRecordLength() const

Definition:DbiModuleDescriptor.cpp:79

llvm::pdb::DbiModuleDescriptor::getPdbFilePathNameIndex

uint32_t getPdbFilePathNameIndex() const

Definition:DbiModuleDescriptor.cpp:71

llvm::pdb::DbiModuleDescriptor::getC13LineInfoByteSize

uint32_t getC13LineInfoByteSize() const

Definition:DbiModuleDescriptor.cpp:59

llvm::pdb::DbiModuleDescriptor::getNumberOfFiles

uint32_t getNumberOfFiles() const

Definition:DbiModuleDescriptor.cpp:63

llvm::pdb::DbiModuleDescriptor::getSourceFileNameIndex

uint32_t getSourceFileNameIndex() const

Definition:DbiModuleDescriptor.cpp:67

llvm::pdb::DbiModuleDescriptor::getTypeServerIndex

uint16_t getTypeServerIndex() const

Definition:DbiModuleDescriptor.cpp:38

llvm::pdb::DbiModuleDescriptor::hasECInfo

bool hasECInfo() const

Definition:DbiModuleDescriptor.cpp:34

llvm::pdb::DbiModuleDescriptor::initialize

static Error initialize(BinaryStreamRef Stream, DbiModuleDescriptor &Info)

Definition:DbiModuleDescriptor.cpp:20

llvm::pdb::DbiModuleDescriptor::getObjFileName

StringRef getObjFileName() const

Definition:DbiModuleDescriptor.cpp:77

llvm::pdb::DbiModuleDescriptor::getModuleStreamIndex

uint16_t getModuleStreamIndex() const

Definition:DbiModuleDescriptor.cpp:47

llvm::pdb::DbiModuleDescriptor::getModuleName

StringRef getModuleName() const

Definition:DbiModuleDescriptor.cpp:75

llvm::pdb::DbiModuleDescriptor::getC11LineInfoByteSize

uint32_t getC11LineInfoByteSize() const

Definition:DbiModuleDescriptor.cpp:55

Definition:LVCodeViewReader.h:44

llvm::support

Definition:Endian.h:26

llvm

This is an optimization pass for GlobalISel generic memory operations.

Definition:AddressRanges.h:18

llvm::alignTo

uint64_t alignTo(uint64_t Size, Align A)

Returns a multiple of A needed to store Size bytes.

Definition:Alignment.h:155

ModuleName

Definition:ItaniumDemangle.h:1097

llvm::pdb::ModInfoFlags::TypeServerIndexShift

static const uint16_t TypeServerIndexShift

Definition:RawTypes.h:207

llvm::pdb::ModInfoFlags::HasECFlagMask

static const uint16_t HasECFlagMask

uint16_t fWritten : 1; // True if DbiModuleDescriptor is dirty uint16_t fECEnabled : 1; // Is EC symb...

Definition:RawTypes.h:204

llvm::pdb::ModInfoFlags::TypeServerIndexMask

static const uint16_t TypeServerIndexMask

Definition:RawTypes.h:206

llvm::pdb::ModuleInfoHeader

The header preceding each entry in the Module Info substream of the DBI stream.

Definition:RawTypes.h:212

llvm::pdb::ModuleInfoHeader::PdbFilePathNI

support::ulittle32_t PdbFilePathNI

Name Index for path to compiler PDB.

Definition:RawTypes.h:255

llvm::pdb::ModuleInfoHeader::ModDiStream

support::ulittle16_t ModDiStream

Stream Number of module debug info.

Definition:RawTypes.h:226

llvm::pdb::ModuleInfoHeader::NumFiles

support::ulittle16_t NumFiles

Number of files contributing to this module.

Definition:RawTypes.h:238

llvm::pdb::ModuleInfoHeader::Flags

support::ulittle16_t Flags

See ModInfoFlags definition.

Definition:RawTypes.h:223

llvm::pdb::ModuleInfoHeader::SrcFileNameNI

support::ulittle32_t SrcFileNameNI

Name Index for src file name.

Definition:RawTypes.h:252

llvm::pdb::ModuleInfoHeader::SC

SectionContrib SC

First section contribution of this module.

Definition:RawTypes.h:220

llvm::pdb::ModuleInfoHeader::C13Bytes

support::ulittle32_t C13Bytes

Size of C13 line number info in above stream.

Definition:RawTypes.h:235

llvm::pdb::ModuleInfoHeader::SymBytes

support::ulittle32_t SymBytes

Size of local symbol debug info in above stream.

Definition:RawTypes.h:229

llvm::pdb::ModuleInfoHeader::C11Bytes

support::ulittle32_t C11Bytes

Size of C11 line number info in above stream.

Definition:RawTypes.h:232

llvm::pdb::SectionContrib

Definition:RawTypes.h:46