bool DebugGHashes = false;
bool ShowTiming = false;
unsigned DebugTypes = static_cast<unsigned>(DebugType::None);
+ std::vector<std::string> NatvisFiles;
llvm::SmallString<128> PDBPath;
std::vector<llvm::StringRef> Argv;
// Handle /pdb
bool ShouldCreatePDB = Args.hasArg(OPT_debug, OPT_debug_ghash);
- if (ShouldCreatePDB)
+ if (ShouldCreatePDB) {
if (auto *Arg = Args.getLastArg(OPT_pdb))
Config->PDBPath = Arg->getValue();
+ if (Args.hasArg(OPT_natvis))
+ Config->NatvisFiles = Args.getAllArgValues(OPT_natvis);
+ }
// Handle /noentry
if (Args.hasArg(OPT_noentry)) {
def opt : P<"opt", "Control optimizations">;
def order : P<"order", "Put functions in order">;
def out : P<"out", "Path to file to write output">;
+def natvis : P<"natvis", "Path to natvis file to embed in the PDB">;
def pdb : P<"pdb", "PDB file path">;
def section : P<"section", "Specify section attributes">;
def stack : P<"stack", "Size of the stack">;
def errorreport : QF<"errorreport">;
def idlout : QF<"idlout">;
def maxilksize : QF<"maxilksize">;
-def natvis : QF<"natvis">;
def pdbaltpath : QF<"pdbaltpath">;
def tlbid : QF<"tlbid">;
def tlbout : QF<"tlbout">;
public:
PDBLinker(SymbolTable *Symtab)
: Alloc(), Symtab(Symtab), Builder(Alloc), TypeTable(Alloc),
- IDTable(Alloc), GlobalTypeTable(Alloc), GlobalIDTable(Alloc) {}
+ IDTable(Alloc), GlobalTypeTable(Alloc), GlobalIDTable(Alloc) {
+ // It's not clear why this is needed, but injected sources (e.g. natvis files)
+ // can file to be located if this is not present.
+ PDBStrTab.insert("");
+ }
/// Emit the basic PDB structure: initial streams, headers, etc.
void initialize(const llvm::codeview::DebugInfo &BuildId);
+ /// Add natvis files specified on the command line.
+ void addNatvisFiles();
+
/// Link CodeView from each object file in the symbol table into the PDB.
void addObjectsToPDB();
}
}
+void PDBLinker::addNatvisFiles() {
+ for (StringRef File : Config->NatvisFiles) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> DataOrErr =
+ MemoryBuffer::getFile(File);
+ if (!DataOrErr) {
+ warn("Cannot open input file: " + File);
+ continue;
+ }
+ Builder.addInjectedSource(File, std::move(*DataOrErr));
+ }
+}
+
static void addCommonLinkerModuleSymbols(StringRef Path,
pdb::DbiModuleDescriptorBuilder &Mod,
BumpPtrAllocator &Allocator) {
const llvm::codeview::DebugInfo &BuildId) {
ScopedTimer T1(TotalPdbLinkTimer);
PDBLinker PDB(Symtab);
+
PDB.initialize(BuildId);
PDB.addObjectsToPDB();
PDB.addSections(OutputSections, SectionTable);
+ PDB.addNatvisFiles();
ScopedTimer T2(DiskCommitTimer);
PDB.commit();
--- /dev/null
+--- !COFF
+header:
+ Machine: IMAGE_FILE_MACHINE_AMD64
+ Characteristics: [ ]
+sections:
+ - Name: .text
+ Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
+ Alignment: 16
+ SectionData: 4883EC1831C0C7442414000000004889542408894C24044883C418C3
+ - Name: .data
+ Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE ]
+ Alignment: 4
+ SectionData: ''
+ - Name: .bss
+ Characteristics: [ IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE ]
+ Alignment: 4
+ SectionData: ''
+ - Name: .xdata
+ Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
+ Alignment: 4
+ SectionData: '0104010004220000'
+ - Name: .drectve
+ Characteristics: [ IMAGE_SCN_LNK_INFO, IMAGE_SCN_LNK_REMOVE ]
+ Alignment: 1
+ SectionData: 202F44454641554C544C49423A6C6962636D742E6C6962202F44454641554C544C49423A6F6C646E616D65732E6C6962
+ - Name: '.debug$S'
+ Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
+ Alignment: 4
+ SectionData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
+ Subsections:
+ - !Symbols
+ Records:
+ - Kind: S_COMPILE3
+ Compile3Sym:
+ Flags: [ ]
+ Machine: X64
+ FrontendMajor: 7
+ FrontendMinor: 0
+ FrontendBuild: 0
+ FrontendQFE: 0
+ BackendMajor: 7000
+ BackendMinor: 0
+ BackendBuild: 0
+ BackendQFE: 0
+ Version: 'clang version 7.0.0 '
+ - !Symbols
+ Records:
+ - Kind: S_GPROC32_ID
+ ProcSym:
+ CodeSize: 28
+ DbgStart: 0
+ DbgEnd: 0
+ FunctionType: 4099
+ Flags: [ ]
+ DisplayName: main
+ - Kind: S_LOCAL
+ LocalSym:
+ Type: 116
+ Flags: [ IsParameter ]
+ VarName: argc
+ - Kind: S_DEFRANGE_REGISTER_REL
+ DefRangeRegisterRelSym:
+ Register: 335
+ Flags: 0
+ BasePointerOffset: 4
+ Range:
+ OffsetStart: 23
+ ISectStart: 0
+ Range: 5
+ Gaps:
+ - Kind: S_LOCAL
+ LocalSym:
+ Type: 4096
+ Flags: [ IsParameter ]
+ VarName: argv
+ - Kind: S_DEFRANGE_REGISTER_REL
+ DefRangeRegisterRelSym:
+ Register: 335
+ Flags: 0
+ BasePointerOffset: 8
+ Range:
+ OffsetStart: 23
+ ISectStart: 0
+ Range: 5
+ Gaps:
+ - Kind: S_PROC_ID_END
+ ScopeEndSym:
+ - !Lines
+ CodeSize: 28
+ Flags: [ ]
+ RelocOffset: 0
+ RelocSegment: 0
+ Blocks:
+ - FileName: 'D:\src\llvmbuild\cl\Release\x64\generic.cpp'
+ Lines:
+ - Offset: 0
+ LineStart: 2
+ IsStatement: false
+ EndDelta: 0
+ - Offset: 23
+ LineStart: 3
+ IsStatement: false
+ EndDelta: 0
+ Columns:
+ - !FileChecksums
+ Checksums:
+ - FileName: 'D:\src\llvmbuild\cl\Release\x64\generic.cpp'
+ Kind: MD5
+ Checksum: 39E9A066A1995A99DD01F5A392F26D7C
+ - !StringTable
+ Strings:
+ - 'D:\src\llvmbuild\cl\Release\x64\generic.cpp'
+ - ''
+ - ''
+ - ''
+ Relocations:
+ - VirtualAddress: 100
+ SymbolName: main
+ Type: IMAGE_REL_AMD64_SECREL
+ - VirtualAddress: 104
+ SymbolName: main
+ Type: IMAGE_REL_AMD64_SECTION
+ - VirtualAddress: 139
+ SymbolName: .text
+ Type: IMAGE_REL_AMD64_SECREL
+ - VirtualAddress: 143
+ SymbolName: .text
+ Type: IMAGE_REL_AMD64_SECTION
+ - VirtualAddress: 174
+ SymbolName: .text
+ Type: IMAGE_REL_AMD64_SECREL
+ - VirtualAddress: 178
+ SymbolName: .text
+ Type: IMAGE_REL_AMD64_SECTION
+ - VirtualAddress: 196
+ SymbolName: main
+ Type: IMAGE_REL_AMD64_SECREL
+ - VirtualAddress: 200
+ SymbolName: main
+ Type: IMAGE_REL_AMD64_SECTION
+ - Name: '.debug$T'
+ Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
+ Alignment: 4
+ SectionData: 040000000A000210700600000C0001000E0001120200000074000000001000000E0008107400000000000200011000001200011600000000021000006D61696E00F3F2F1
+ Types:
+ - Kind: LF_POINTER
+ Pointer:
+ ReferentType: 1648
+ Attrs: 65548
+ - Kind: LF_ARGLIST
+ ArgList:
+ ArgIndices: [ 116, 4096 ]
+ - Kind: LF_PROCEDURE
+ Procedure:
+ ReturnType: 116
+ CallConv: NearC
+ Options: [ None ]
+ ParameterCount: 2
+ ArgumentList: 4097
+ - Kind: LF_FUNC_ID
+ FuncId:
+ ParentScope: 0
+ FunctionType: 4098
+ Name: main
+ - Name: .pdata
+ Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
+ Alignment: 4
+ SectionData: 000000001C00000000000000
+ Relocations:
+ - VirtualAddress: 0
+ SymbolName: main
+ Type: IMAGE_REL_AMD64_ADDR32NB
+ - VirtualAddress: 4
+ SymbolName: main
+ Type: IMAGE_REL_AMD64_ADDR32NB
+ - VirtualAddress: 8
+ SymbolName: .xdata
+ Type: IMAGE_REL_AMD64_ADDR32NB
+symbols:
+ - Name: .text
+ Value: 0
+ SectionNumber: 1
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_NULL
+ StorageClass: IMAGE_SYM_CLASS_STATIC
+ SectionDefinition:
+ Length: 28
+ NumberOfRelocations: 0
+ NumberOfLinenumbers: 0
+ CheckSum: 594448369
+ Number: 1
+ - Name: .data
+ Value: 0
+ SectionNumber: 2
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_NULL
+ StorageClass: IMAGE_SYM_CLASS_STATIC
+ SectionDefinition:
+ Length: 0
+ NumberOfRelocations: 0
+ NumberOfLinenumbers: 0
+ CheckSum: 0
+ Number: 2
+ - Name: .bss
+ Value: 0
+ SectionNumber: 3
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_NULL
+ StorageClass: IMAGE_SYM_CLASS_STATIC
+ SectionDefinition:
+ Length: 0
+ NumberOfRelocations: 0
+ NumberOfLinenumbers: 0
+ CheckSum: 0
+ Number: 3
+ - Name: .xdata
+ Value: 0
+ SectionNumber: 4
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_NULL
+ StorageClass: IMAGE_SYM_CLASS_STATIC
+ SectionDefinition:
+ Length: 8
+ NumberOfRelocations: 0
+ NumberOfLinenumbers: 0
+ CheckSum: 1192424177
+ Number: 4
+ - Name: .drectve
+ Value: 0
+ SectionNumber: 5
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_NULL
+ StorageClass: IMAGE_SYM_CLASS_STATIC
+ SectionDefinition:
+ Length: 48
+ NumberOfRelocations: 0
+ NumberOfLinenumbers: 0
+ CheckSum: 149686238
+ Number: 5
+ - Name: '.debug$S'
+ Value: 0
+ SectionNumber: 6
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_NULL
+ StorageClass: IMAGE_SYM_CLASS_STATIC
+ SectionDefinition:
+ Length: 324
+ NumberOfRelocations: 8
+ NumberOfLinenumbers: 0
+ CheckSum: 4196717433
+ Number: 6
+ - Name: '.debug$T'
+ Value: 0
+ SectionNumber: 7
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_NULL
+ StorageClass: IMAGE_SYM_CLASS_STATIC
+ SectionDefinition:
+ Length: 68
+ NumberOfRelocations: 0
+ NumberOfLinenumbers: 0
+ CheckSum: 485351071
+ Number: 7
+ - Name: .pdata
+ Value: 0
+ SectionNumber: 8
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_NULL
+ StorageClass: IMAGE_SYM_CLASS_STATIC
+ SectionDefinition:
+ Length: 12
+ NumberOfRelocations: 3
+ NumberOfLinenumbers: 0
+ CheckSum: 722740324
+ Number: 8
+ - Name: main
+ Value: 0
+ SectionNumber: 1
+ SimpleType: IMAGE_SYM_TYPE_NULL
+ ComplexType: IMAGE_SYM_DTYPE_FUNCTION
+ StorageClass: IMAGE_SYM_CLASS_EXTERNAL
+...
--- /dev/null
+1st Natvis Test
--- /dev/null
+Second Natvis Test
--- /dev/null
+Third Natvis Test
# CHECK: ============================================================
# CHECK-LABEL: Mod 0000 | `{{.*}}a.obj`:
# CHECK: 232 | S_FILESTATIC [size = 16] `x`
-# CHECK-NEXT: type = 0x0074 (int), file name = 1 (D:\src\llvmbuild\cl\Debug\x64\a.obj), flags = enreg global | enreg static
+# CHECK-NEXT: type = 0x0074 (int), file name = 2 (D:\src\llvmbuild\cl\Debug\x64\a.obj), flags = enreg global | enreg static
# CHECK: Mod 0001 | `{{.*}}b.obj`:
# CHECK: 232 | S_FILESTATIC [size = 16] `y`
-# CHECK-NEXT: type = 0x0074 (int), file name = 73 (D:\src\llvmbuild\cl\Debug\x64\b.obj), flags = enreg global | enreg static
+# CHECK-NEXT: type = 0x0074 (int), file name = 74 (D:\src\llvmbuild\cl\Debug\x64\b.obj), flags = enreg global | enreg static
# CHECK-LABEL: Mod 0002 | `* Linker *`:
--- /dev/null
+REQUIRES: diasdk
+
+RUN: yaml2obj %p/Inputs/generic.yaml > %t.obj
+RUN: lld-link /DEBUG %t.obj /nodefaultlib /entry:main /NATVIS:%p/Inputs/natvis-1.natvis \
+RUN: /NATVIS:%p/Inputs/natvis-2.natvis /NATVIS:%p/Inputs/natvis-3.natvis /OUT:%t.exe \
+RUN: /PDB:%t.pdb
+RUN: llvm-pdbutil pretty -injected-sources -injected-source-content %t.pdb | FileCheck \
+RUN: --check-prefix=CHECK-FIRST %s
+RUN: llvm-pdbutil pretty -injected-sources -injected-source-content %t.pdb | FileCheck \
+RUN: --check-prefix=CHECK-SECOND %s
+RUN: llvm-pdbutil pretty -injected-sources -injected-source-content %t.pdb | FileCheck \
+RUN: --check-prefix=CHECK-THIRD %s
+
+RUN: lld-link /DEBUG %t.obj /nodefaultlib /entry:main /NATVIS:%p/Inputs/test2.natvis \
+RUN: /OUT:%t.exe /PDB:%t.pdb 2>&1 | FileCheck --check-prefix=CHECK-MISSING %s
+
+CHECK-FIRST: {{.*}}natvis-1.natvis (16 bytes): obj=<null>, vname={{.*}}natvis-1.natvis, crc=355285096, compression=None
+CHECK-FIRST-NEXT: 1st Natvis Test
+
+CHECK-SECOND: {{.*}}natvis-2.natvis (19 bytes): obj=<null>, vname={{.*}}natvis-2.natvis, crc=4252640062, compression=None
+CHECK-SECOND-NEXT: Second Natvis Test
+
+CHECK-THIRD: {{.*}}natvis-3.natvis (18 bytes): obj=<null>, vname={{.*}}natvis-3.natvis, crc=2069719849, compression=None
+CHECK-THIRD-NEXT: Third Natvis Test
+
+CHECK-MISSING: Cannot open input file: {{.*}}test2.natvis
\ No newline at end of file
if (config.llvm_libxml2_enabled == '1'):
config.available_features.add('libxml2')
+if config.have_dia_sdk:
+ config.available_features.add("diasdk")
+
tar_executable = lit.util.which('tar', config.environment['PATH'])
if tar_executable:
tar_version = subprocess.Popen(
@LIT_SITE_CFG_IN_HEADER@
+import lit.util
+
+config.have_dia_sdk = lit.util.pythonize_bool("@LLVM_ENABLE_DIA_SDK@")
config.llvm_src_root = "@LLVM_SOURCE_DIR@"
config.llvm_obj_root = "@LLVM_BINARY_DIR@"
config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
#ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGSTRINGTABLESUBSECTION_H
#define LLVM_DEBUGINFO_CODEVIEW_DEBUGSTRINGTABLESUBSECTION_H
+#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
uint32_t insert(StringRef S);
// Return the ID for string S. Assumes S exists in the table.
- uint32_t getStringId(StringRef S) const;
+ uint32_t getIdForString(StringRef S) const;
+
+ StringRef getStringForId(uint32_t Id) const;
uint32_t calculateSerializedSize() const override;
Error commit(BinaryStreamWriter &Writer) const override;
uint32_t size() const;
- StringMap<uint32_t>::const_iterator begin() const { return Strings.begin(); }
+ StringMap<uint32_t>::const_iterator begin() const {
+ return StringToId.begin();
+ }
- StringMap<uint32_t>::const_iterator end() const { return Strings.end(); }
+ StringMap<uint32_t>::const_iterator end() const { return StringToId.end(); }
private:
- StringMap<uint32_t> Strings;
+ DenseMap<uint32_t, StringRef> IdToString;
+ StringMap<uint32_t> StringToId;
uint32_t StringSize = 1;
};
class DIAInjectedSource : public IPDBInjectedSource {
public:
- explicit DIAInjectedSource(const DIASession &Session,
- CComPtr<IDiaInjectedSource> DiaSourceFile);
+ explicit DIAInjectedSource(CComPtr<IDiaInjectedSource> DiaSourceFile);
uint32_t getCrc32() const override;
uint64_t getCodeByteSize() const override;
std::string getCode() const override;
private:
- const DIASession &Session;
CComPtr<IDiaInjectedSource> SourceFile;
};
} // namespace pdb
Deleted.clear();
}
+ bool empty() const { return size() == 0; }
uint32_t capacity() const { return Buckets.size(); }
uint32_t size() const { return Present.count(); }
void grow() {
uint32_t S = size();
+ uint32_t MaxLoad = maxLoad(capacity());
if (S < maxLoad(capacity()))
return;
assert(capacity() != UINT32_MAX && "Can't grow Hash table!");
- uint32_t NewCapacity =
- (capacity() <= INT32_MAX) ? capacity() * 2 : UINT32_MAX;
+ uint32_t NewCapacity = (capacity() <= INT32_MAX) ? MaxLoad * 2 : UINT32_MAX;
// Growing requires rebuilding the table and re-hashing every item. Make a
// copy with a larger capacity, insert everything into the copy, then swap
#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
#include "llvm/DebugInfo/PDB/Native/PDBStringTableBuilder.h"
#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
+#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
+#include "llvm/Support/MemoryBuffer.h"
#include <memory>
#include <vector>
Error commit(StringRef Filename);
Expected<uint32_t> getNamedStreamIndex(StringRef Name) const;
- Error addNamedStream(StringRef Name, uint32_t Size);
+ Error addNamedStream(StringRef Name, StringRef Data);
+ void addInjectedSource(StringRef Name, std::unique_ptr<MemoryBuffer> Buffer);
private:
+ struct InjectedSourceDescriptor {
+ // The full name of the stream that contains the contents of this injected
+ // source. This is built as a concatenation of the literal "/src/files"
+ // plus the "vname".
+ std::string StreamName;
+
+ // The exact name of the file name as specified by the user.
+ uint32_t NameIndex;
+
+ // The string table index of the "vname" of the file. As far as we
+ // understand, this is the same as the name, except it is lowercased and
+ // forward slashes are converted to backslashes.
+ uint32_t VNameIndex;
+ std::unique_ptr<MemoryBuffer> Content;
+ };
+
Expected<msf::MSFLayout> finalizeMsfLayout();
+ Expected<uint32_t> allocateNamedStream(StringRef Name, uint32_t Size);
void commitFpm(WritableBinaryStream &MsfBuffer, const msf::MSFLayout &Layout);
+ void commitInjectedSources(WritableBinaryStream &MsfBuffer,
+ const msf::MSFLayout &Layout);
+ void commitSrcHeaderBlock(WritableBinaryStream &MsfBuffer,
+ const msf::MSFLayout &Layout);
BumpPtrAllocator &Allocator;
std::unique_ptr<TpiStreamBuilder> Ipi;
PDBStringTableBuilder Strings;
+ StringTableHashTraits InjectedSourceHashTraits;
+ HashTable<SrcHeaderBlockEntry, StringTableHashTraits> InjectedSourceTable;
+
+ SmallVector<InjectedSourceDescriptor, 2> InjectedSources;
+
NamedStreamMap NamedStreams;
+ DenseMap<uint32_t, std::string> NamedStreamData;
};
}
}
namespace pdb {
class PDBFileBuilder;
+class PDBStringTableBuilder;
+
+struct StringTableHashTraits {
+ PDBStringTableBuilder *Table;
+
+ explicit StringTableHashTraits(PDBStringTableBuilder &Table);
+ uint32_t hashLookupKey(StringRef S) const;
+ StringRef storageKeyToLookupKey(uint32_t Offset) const;
+ uint32_t lookupKeyToStorageKey(StringRef S);
+};
class PDBStringTableBuilder {
public:
// Returns the ID for S.
uint32_t insert(StringRef S);
+ uint32_t getIdForString(StringRef S) const;
+ StringRef getStringForId(uint32_t Id) const;
+
uint32_t calculateSerializedSize() const;
Error commit(BinaryStreamWriter &Writer) const;
PdbImplVC140 = 20140508,
};
+enum class PdbRaw_SrcHeaderBlockVer : uint32_t { SrcVerOne = 19980827 };
+
enum class PdbRaw_FeatureSig : uint32_t {
VC110 = PdbImplVC110,
VC140 = PdbImplVC140,
const uint32_t PDBStringTableSignature = 0xEFFEEFFE;
+/// The header preceding the /src/headerblock stream.
+struct SrcHeaderBlockHeader {
+ support::ulittle32_t Version; // PdbRaw_SrcHeaderBlockVer enumeration.
+ support::ulittle32_t Size; // Size of entire stream.
+ uint64_t FileTime; // Time stamp (Windows FILETIME format).
+ support::ulittle32_t Age; // Age
+ uint8_t Padding[44]; // Pad to 64 bytes.
+};
+static_assert(sizeof(SrcHeaderBlockHeader) == 64, "Incorrect struct size!");
+
+/// A single file record entry within the /src/headerblock stream.
+struct SrcHeaderBlockEntry {
+ support::ulittle32_t Size; // Record Length.
+ support::ulittle32_t Version; // PdbRaw_SrcHeaderBlockVer enumeration.
+ support::ulittle32_t CRC; // CRC of the original file contents.
+ support::ulittle32_t FileSize; // Size of original source file.
+ support::ulittle32_t FileNI; // String table index of file name.
+ support::ulittle32_t ObjNI; // String table index of object name.
+ support::ulittle32_t VFileNI; // String table index of virtual file name.
+ uint8_t Compression; // PDB_SourceCompression enumeration.
+ uint8_t IsVirtual; // Is this a virtual file (injected)?
+ short Padding; // Pad to 4 bytes.
+ char Reserved[8];
+};
+
+constexpr int I = sizeof(SrcHeaderBlockEntry);
+static_assert(sizeof(SrcHeaderBlockEntry) == 40, "Incorrect struct size!");
+
} // namespace pdb
} // namespace llvm
}
uint32_t DebugChecksumsSubsection::mapChecksumOffset(StringRef FileName) const {
- uint32_t Offset = Strings.getStringId(FileName);
+ uint32_t Offset = Strings.getIdForString(FileName);
auto Iter = OffsetMap.find(Offset);
assert(Iter != OffsetMap.end());
return Iter->second;
Ids.push_back(&M);
std::sort(Ids.begin(), Ids.end(), [this](const T &L1, const T &L2) {
- return Strings.getStringId(L1->getKey()) <
- Strings.getStringId(L2->getKey());
+ return Strings.getIdForString(L1->getKey()) <
+ Strings.getIdForString(L2->getKey());
});
for (const auto &Item : Ids) {
CrossModuleImport Imp;
- Imp.ModuleNameOffset = Strings.getStringId(Item->getKey());
+ Imp.ModuleNameOffset = Strings.getIdForString(Item->getKey());
Imp.Count = Item->getValue().size();
if (auto EC = Writer.writeObject(Imp))
return EC;
: DebugSubsection(DebugSubsectionKind::StringTable) {}
uint32_t DebugStringTableSubsection::insert(StringRef S) {
- auto P = Strings.insert({S, StringSize});
+ auto P = StringToId.insert({S, StringSize});
// If a given string didn't exist in the string table, we want to increment
- // the string table size.
- if (P.second)
+ // the string table size and insert it into the reverse lookup.
+ if (P.second) {
+ IdToString.insert({P.first->getValue(), P.first->getKey()});
StringSize += S.size() + 1; // +1 for '\0'
+ }
+
return P.first->second;
}
if (auto EC = Writer.writeCString(StringRef()))
return EC;
- for (auto &Pair : Strings) {
+ for (auto &Pair : StringToId) {
StringRef S = Pair.getKey();
uint32_t Offset = Begin + Pair.getValue();
Writer.setOffset(Offset);
return Error::success();
}
-uint32_t DebugStringTableSubsection::size() const { return Strings.size(); }
+uint32_t DebugStringTableSubsection::size() const { return StringToId.size(); }
+
+uint32_t DebugStringTableSubsection::getIdForString(StringRef S) const {
+ auto Iter = StringToId.find(S);
+ assert(Iter != StringToId.end());
+ return Iter->second;
+}
-uint32_t DebugStringTableSubsection::getStringId(StringRef S) const {
- auto Iter = Strings.find(S);
- assert(Iter != Strings.end());
+StringRef DebugStringTableSubsection::getStringForId(uint32_t Id) const {
+ auto Iter = IdToString.find(Id);
+ assert(Iter != IdToString.end());
return Iter->second;
}
if (S_OK != Enumerator->Item(Index, &Item))
return nullptr;
- return std::unique_ptr<IPDBInjectedSource>(
- new DIAInjectedSource(Session, Item));
+ return std::unique_ptr<IPDBInjectedSource>(new DIAInjectedSource(Item));
}
std::unique_ptr<IPDBInjectedSource> DIAEnumInjectedSources::getNext() {
if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
return nullptr;
- return std::unique_ptr<IPDBInjectedSource>(
- new DIAInjectedSource(Session, Item));
+ return std::unique_ptr<IPDBInjectedSource>(new DIAInjectedSource(Item));
}
void DIAEnumInjectedSources::reset() { Enumerator->Reset(); }
using namespace llvm;
using namespace llvm::pdb;
-DIAInjectedSource::DIAInjectedSource(const DIASession &Session,
- CComPtr<IDiaInjectedSource> DiaSourceFile)
- : Session(Session), SourceFile(DiaSourceFile) {}
+DIAInjectedSource::DIAInjectedSource(CComPtr<IDiaInjectedSource> DiaSourceFile)
+ : SourceFile(DiaSourceFile) {}
uint32_t DIAInjectedSource::getCrc32() const {
DWORD Crc;
if (auto EC = Writer.writeEnum(E))
return EC;
}
+ assert(Writer.bytesRemaining() == 0);
return Error::success();
}
#include "llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h"
#include "llvm/Support/BinaryStream.h"
#include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/JamCRC.h"
+#include "llvm/Support/Path.h"
using namespace llvm;
using namespace llvm::codeview;
using namespace llvm::support;
PDBFileBuilder::PDBFileBuilder(BumpPtrAllocator &Allocator)
- : Allocator(Allocator) {}
+ : Allocator(Allocator), InjectedSourceHashTraits(Strings),
+ InjectedSourceTable(2, InjectedSourceHashTraits) {}
PDBFileBuilder::~PDBFileBuilder() {}
return *Gsi;
}
-Error PDBFileBuilder::addNamedStream(StringRef Name, uint32_t Size) {
+Expected<uint32_t> PDBFileBuilder::allocateNamedStream(StringRef Name,
+ uint32_t Size) {
auto ExpectedStream = Msf->addStream(Size);
- if (!ExpectedStream)
- return ExpectedStream.takeError();
- NamedStreams.set(Name, *ExpectedStream);
+ if (ExpectedStream)
+ NamedStreams.set(Name, *ExpectedStream);
+ return ExpectedStream;
+}
+
+Error PDBFileBuilder::addNamedStream(StringRef Name, StringRef Data) {
+ Expected<uint32_t> ExpectedIndex = allocateNamedStream(Name, Data.size());
+ if (!ExpectedIndex)
+ return ExpectedIndex.takeError();
+ assert(NamedStreamData.count(*ExpectedIndex) == 0);
+ NamedStreamData[*ExpectedIndex] = Data;
return Error::success();
}
+void PDBFileBuilder::addInjectedSource(StringRef Name,
+ std::unique_ptr<MemoryBuffer> Buffer) {
+ // Stream names must be exact matches, since they get looked up in a hash
+ // table and the hash value is dependent on the exact contents of the string.
+ // link.exe lowercases a path and converts / to \, so we must do the same.
+ SmallString<64> VName;
+ sys::path::native(Name.lower(), VName);
+
+ uint32_t NI = getStringTableBuilder().insert(Name);
+ uint32_t VNI = getStringTableBuilder().insert(VName);
+
+ InjectedSourceDescriptor Desc;
+ Desc.Content = std::move(Buffer);
+ Desc.NameIndex = NI;
+ Desc.VNameIndex = VNI;
+ Desc.StreamName = "/src/files/";
+
+ Desc.StreamName += VName;
+
+ InjectedSources.push_back(std::move(Desc));
+}
+
Expected<msf::MSFLayout> PDBFileBuilder::finalizeMsfLayout() {
if (Ipi && Ipi->getRecordCount() > 0) {
uint32_t StringsLen = Strings.calculateSerializedSize();
- if (auto EC = addNamedStream("/names", StringsLen))
- return std::move(EC);
- if (auto EC = addNamedStream("/LinkInfo", 0))
- return std::move(EC);
+ Expected<uint32_t> SN = allocateNamedStream("/names", StringsLen);
+ if (!SN)
+ return SN.takeError();
+ SN = allocateNamedStream("/LinkInfo", 0);
+ if (!SN)
+ return SN.takeError();
- if (Info) {
- if (auto EC = Info->finalizeMsfLayout())
- return std::move(EC);
- }
if (Dbi) {
if (auto EC = Dbi->finalizeMsfLayout())
return std::move(EC);
}
}
+ if (!InjectedSources.empty()) {
+ for (const auto &IS : InjectedSources) {
+ JamCRC CRC(0);
+ CRC.update(makeArrayRef(IS.Content->getBufferStart(),
+ IS.Content->getBufferSize()));
+
+ SrcHeaderBlockEntry Entry;
+ ::memset(&Entry, 0, sizeof(SrcHeaderBlockEntry));
+ Entry.Size = sizeof(SrcHeaderBlockEntry);
+ Entry.FileSize = IS.Content->getBufferSize();
+ Entry.FileNI = IS.NameIndex;
+ Entry.VFileNI = IS.VNameIndex;
+ Entry.IsVirtual = 0;
+ Entry.Version =
+ static_cast<uint32_t>(PdbRaw_SrcHeaderBlockVer::SrcVerOne);
+ Entry.CRC = CRC.getCRC();
+ StringRef VName = getStringTableBuilder().getStringForId(IS.VNameIndex);
+ InjectedSourceTable.set_as(VName, std::move(Entry));
+ }
+
+ uint32_t SrcHeaderBlockSize =
+ sizeof(SrcHeaderBlockHeader) +
+ InjectedSourceTable.calculateSerializedLength();
+ SN = allocateNamedStream("/src/headerblock", SrcHeaderBlockSize);
+ if (!SN)
+ return SN.takeError();
+ for (const auto &IS : InjectedSources) {
+ SN = allocateNamedStream(IS.StreamName, IS.Content->getBufferSize());
+ if (!SN)
+ return SN.takeError();
+ }
+ }
+
+ // Do this last, since it relies on the named stream map being complete, and
+ // that can be updated by previous steps in the finalization.
+ if (Info) {
+ if (auto EC = Info->finalizeMsfLayout())
+ return std::move(EC);
+ }
+
return Msf->build();
}
assert(FpmWriter.bytesRemaining() == 0);
}
+void PDBFileBuilder::commitSrcHeaderBlock(WritableBinaryStream &MsfBuffer,
+ const msf::MSFLayout &Layout) {
+ assert(!InjectedSourceTable.empty());
+
+ uint32_t SN = cantFail(getNamedStreamIndex("/src/headerblock"));
+ auto Stream = WritableMappedBlockStream::createIndexedStream(
+ Layout, MsfBuffer, SN, Allocator);
+ BinaryStreamWriter Writer(*Stream);
+
+ SrcHeaderBlockHeader Header;
+ ::memset(&Header, 0, sizeof(Header));
+ Header.Version = static_cast<uint32_t>(PdbRaw_SrcHeaderBlockVer::SrcVerOne);
+ Header.Size = Writer.bytesRemaining();
+
+ cantFail(Writer.writeObject(Header));
+ cantFail(InjectedSourceTable.commit(Writer));
+
+ assert(Writer.bytesRemaining() == 0);
+}
+
+void PDBFileBuilder::commitInjectedSources(WritableBinaryStream &MsfBuffer,
+ const msf::MSFLayout &Layout) {
+ if (InjectedSourceTable.empty())
+ return;
+
+ commitSrcHeaderBlock(MsfBuffer, Layout);
+
+ for (const auto &IS : InjectedSources) {
+ uint32_t SN = cantFail(getNamedStreamIndex(IS.StreamName));
+
+ auto SourceStream = WritableMappedBlockStream::createIndexedStream(
+ Layout, MsfBuffer, SN, Allocator);
+ BinaryStreamWriter SourceWriter(*SourceStream);
+ assert(SourceWriter.bytesRemaining() == IS.Content->getBufferSize());
+ cantFail(SourceWriter.writeBytes(
+ arrayRefFromStringRef(IS.Content->getBuffer())));
+ }
+}
+
Error PDBFileBuilder::commit(StringRef Filename) {
assert(!Filename.empty());
auto ExpectedLayout = finalizeMsfLayout();
if (auto EC = Strings.commit(NSWriter))
return EC;
+ for (const auto &NSE : NamedStreamData) {
+ if (NSE.second.empty())
+ continue;
+
+ auto NS = WritableMappedBlockStream::createIndexedStream(
+ Layout, Buffer, NSE.first, Allocator);
+ BinaryStreamWriter NSW(*NS);
+ if (auto EC = NSW.writeBytes(arrayRefFromStringRef(NSE.second)))
+ return EC;
+ }
+
if (Info) {
if (auto EC = Info->commit(Layout, Buffer))
return EC;
InfoStreamHeader *H = reinterpret_cast<InfoStreamHeader *>(
FOB->getBufferStart() + InfoStreamFileOffset);
+ commitInjectedSources(Buffer, Layout);
+
// Set the build id at the very end, after every other byte of the PDB
// has been written.
// FIXME: Use a hash of the PDB rather than time(nullptr) for the signature.
using namespace llvm::support::endian;
using namespace llvm::pdb;
+StringTableHashTraits::StringTableHashTraits(PDBStringTableBuilder &Table)
+ : Table(&Table) {}
+
+uint32_t StringTableHashTraits::hashLookupKey(StringRef S) const {
+ return Table->getIdForString(S);
+}
+
+StringRef StringTableHashTraits::storageKeyToLookupKey(uint32_t Offset) const {
+ return Table->getStringForId(Offset);
+}
+
+uint32_t StringTableHashTraits::lookupKeyToStorageKey(StringRef S) {
+ return Table->insert(S);
+}
+
uint32_t PDBStringTableBuilder::insert(StringRef S) {
return Strings.insert(S);
}
+uint32_t PDBStringTableBuilder::getIdForString(StringRef S) const {
+ return Strings.getIdForString(S);
+}
+
+StringRef PDBStringTableBuilder::getStringForId(uint32_t Id) const {
+ return Strings.getStringForId(Id);
+}
+
static uint32_t computeBucketCount(uint32_t NumStrings) {
// The /names stream is basically an on-disk open-addressing hash table.
// Hash collisions are resolved by linear probing. We cannot make
P.NewLine();
}
+ if (opts::dump::DumpNamedStreams) {
+ if (auto EC = dumpNamedStreams())
+ return EC;
+ P.NewLine();
+ }
+
if (opts::dump::DumpStringTable) {
if (auto EC = dumpStringTable())
return EC;
return Error::success();
}
+Error DumpOutputStyle::dumpNamedStreams() {
+ printHeader(P, "Named Streams");
+ AutoIndent Indent(P, 2);
+
+ if (File.isObj()) {
+ P.formatLine("Dumping Named Streams is only supported for PDB files.");
+ return Error::success();
+ }
+ ExitOnError Err("Invalid PDB File: ");
+
+ auto &IS = Err(File.pdb().getPDBInfoStream());
+ const NamedStreamMap &NS = IS.getNamedStreams();
+ for (const auto &Entry : NS.entries()) {
+ P.printLine(Entry.getKey());
+ AutoIndent Indent2(P, 2);
+ P.formatLine("Index: {0}", Entry.getValue());
+ P.formatLine("Size in bytes: {0}",
+ File.pdb().getStreamByteSize(Entry.getValue()));
+ }
+
+ return Error::success();
+}
+
Error DumpOutputStyle::dumpStringTable() {
printHeader(P, "String Table");
Error dumpStreamSummary();
Error dumpSymbolStats();
Error dumpUdtStats();
+ Error dumpNamedStreams();
Error dumpStringTable();
Error dumpStringTableFromPdb();
Error dumpStringTableFromObj();
cl::cat(FileOptions), cl::sub(DumpSubcommand));
// MISCELLANEOUS OPTIONS
+cl::opt<bool> DumpNamedStreams("named-streams",
+ cl::desc("dump PDB named stream table"),
+ cl::cat(MiscOptions), cl::sub(DumpSubcommand));
+
cl::opt<bool> DumpStringTable("string-table", cl::desc("dump PDB String Table"),
cl::cat(MiscOptions), cl::sub(DumpSubcommand));
extern llvm::cl::opt<bool> DumpInlineeLines;
extern llvm::cl::opt<bool> DumpXmi;
extern llvm::cl::opt<bool> DumpXme;
+extern llvm::cl::opt<bool> DumpNamedStreams;
extern llvm::cl::opt<bool> DumpStringTable;
extern llvm::cl::opt<bool> DumpTypes;
extern llvm::cl::opt<bool> DumpTypeData;