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-rw-r--r--llvm/lib/ObjectYAML/COFFEmitter.cpp619
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diff --git a/llvm/lib/ObjectYAML/COFFEmitter.cpp b/llvm/lib/ObjectYAML/COFFEmitter.cpp
deleted file mode 100644
index d94cdbf5605..00000000000
--- a/llvm/lib/ObjectYAML/COFFEmitter.cpp
+++ /dev/null
@@ -1,619 +0,0 @@
-//===- yaml2coff - Convert YAML to a COFF object file ---------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// The COFF component of yaml2obj.
-///
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
-#include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
-#include "llvm/Object/COFF.h"
-#include "llvm/ObjectYAML/ObjectYAML.h"
-#include "llvm/ObjectYAML/yaml2obj.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/WithColor.h"
-#include "llvm/Support/raw_ostream.h"
-#include <vector>
-
-using namespace llvm;
-
-namespace {
-
-/// This parses a yaml stream that represents a COFF object file.
-/// See docs/yaml2obj for the yaml scheema.
-struct COFFParser {
- COFFParser(COFFYAML::Object &Obj)
- : Obj(Obj), SectionTableStart(0), SectionTableSize(0) {
- // A COFF string table always starts with a 4 byte size field. Offsets into
- // it include this size, so allocate it now.
- StringTable.append(4, char(0));
- }
-
- bool useBigObj() const {
- return static_cast<int32_t>(Obj.Sections.size()) >
- COFF::MaxNumberOfSections16;
- }
-
- bool isPE() const { return Obj.OptionalHeader.hasValue(); }
- bool is64Bit() const {
- return Obj.Header.Machine == COFF::IMAGE_FILE_MACHINE_AMD64 ||
- Obj.Header.Machine == COFF::IMAGE_FILE_MACHINE_ARM64;
- }
-
- uint32_t getFileAlignment() const {
- return Obj.OptionalHeader->Header.FileAlignment;
- }
-
- unsigned getHeaderSize() const {
- return useBigObj() ? COFF::Header32Size : COFF::Header16Size;
- }
-
- unsigned getSymbolSize() const {
- return useBigObj() ? COFF::Symbol32Size : COFF::Symbol16Size;
- }
-
- bool parseSections() {
- for (std::vector<COFFYAML::Section>::iterator i = Obj.Sections.begin(),
- e = Obj.Sections.end();
- i != e; ++i) {
- COFFYAML::Section &Sec = *i;
-
- // If the name is less than 8 bytes, store it in place, otherwise
- // store it in the string table.
- StringRef Name = Sec.Name;
-
- if (Name.size() <= COFF::NameSize) {
- std::copy(Name.begin(), Name.end(), Sec.Header.Name);
- } else {
- // Add string to the string table and format the index for output.
- unsigned Index = getStringIndex(Name);
- std::string str = utostr(Index);
- if (str.size() > 7) {
- errs() << "String table got too large\n";
- return false;
- }
- Sec.Header.Name[0] = '/';
- std::copy(str.begin(), str.end(), Sec.Header.Name + 1);
- }
-
- if (Sec.Alignment) {
- if (Sec.Alignment > 8192) {
- errs() << "Section alignment is too large\n";
- return false;
- }
- if (!isPowerOf2_32(Sec.Alignment)) {
- errs() << "Section alignment is not a power of 2\n";
- return false;
- }
- Sec.Header.Characteristics |= (Log2_32(Sec.Alignment) + 1) << 20;
- }
- }
- return true;
- }
-
- bool parseSymbols() {
- for (std::vector<COFFYAML::Symbol>::iterator i = Obj.Symbols.begin(),
- e = Obj.Symbols.end();
- i != e; ++i) {
- COFFYAML::Symbol &Sym = *i;
-
- // If the name is less than 8 bytes, store it in place, otherwise
- // store it in the string table.
- StringRef Name = Sym.Name;
- if (Name.size() <= COFF::NameSize) {
- std::copy(Name.begin(), Name.end(), Sym.Header.Name);
- } else {
- // Add string to the string table and format the index for output.
- unsigned Index = getStringIndex(Name);
- *reinterpret_cast<support::aligned_ulittle32_t *>(Sym.Header.Name + 4) =
- Index;
- }
-
- Sym.Header.Type = Sym.SimpleType;
- Sym.Header.Type |= Sym.ComplexType << COFF::SCT_COMPLEX_TYPE_SHIFT;
- }
- return true;
- }
-
- bool parse() {
- if (!parseSections())
- return false;
- if (!parseSymbols())
- return false;
- return true;
- }
-
- unsigned getStringIndex(StringRef Str) {
- StringMap<unsigned>::iterator i = StringTableMap.find(Str);
- if (i == StringTableMap.end()) {
- unsigned Index = StringTable.size();
- StringTable.append(Str.begin(), Str.end());
- StringTable.push_back(0);
- StringTableMap[Str] = Index;
- return Index;
- }
- return i->second;
- }
-
- COFFYAML::Object &Obj;
-
- codeview::StringsAndChecksums StringsAndChecksums;
- BumpPtrAllocator Allocator;
- StringMap<unsigned> StringTableMap;
- std::string StringTable;
- uint32_t SectionTableStart;
- uint32_t SectionTableSize;
-};
-
-enum { DOSStubSize = 128 };
-
-} // end anonymous namespace
-
-// Take a CP and assign addresses and sizes to everything. Returns false if the
-// layout is not valid to do.
-static bool layoutOptionalHeader(COFFParser &CP) {
- if (!CP.isPE())
- return true;
- unsigned PEHeaderSize = CP.is64Bit() ? sizeof(object::pe32plus_header)
- : sizeof(object::pe32_header);
- CP.Obj.Header.SizeOfOptionalHeader =
- PEHeaderSize +
- sizeof(object::data_directory) * (COFF::NUM_DATA_DIRECTORIES + 1);
- return true;
-}
-
-static yaml::BinaryRef
-toDebugS(ArrayRef<CodeViewYAML::YAMLDebugSubsection> Subsections,
- const codeview::StringsAndChecksums &SC, BumpPtrAllocator &Allocator) {
- using namespace codeview;
- ExitOnError Err("Error occurred writing .debug$S section");
- auto CVSS =
- Err(CodeViewYAML::toCodeViewSubsectionList(Allocator, Subsections, SC));
-
- std::vector<DebugSubsectionRecordBuilder> Builders;
- uint32_t Size = sizeof(uint32_t);
- for (auto &SS : CVSS) {
- DebugSubsectionRecordBuilder B(SS, CodeViewContainer::ObjectFile);
- Size += B.calculateSerializedLength();
- Builders.push_back(std::move(B));
- }
- uint8_t *Buffer = Allocator.Allocate<uint8_t>(Size);
- MutableArrayRef<uint8_t> Output(Buffer, Size);
- BinaryStreamWriter Writer(Output, support::little);
-
- Err(Writer.writeInteger<uint32_t>(COFF::DEBUG_SECTION_MAGIC));
- for (const auto &B : Builders) {
- Err(B.commit(Writer));
- }
- return {Output};
-}
-
-// Take a CP and assign addresses and sizes to everything. Returns false if the
-// layout is not valid to do.
-static bool layoutCOFF(COFFParser &CP) {
- // The section table starts immediately after the header, including the
- // optional header.
- CP.SectionTableStart =
- CP.getHeaderSize() + CP.Obj.Header.SizeOfOptionalHeader;
- if (CP.isPE())
- CP.SectionTableStart += DOSStubSize + sizeof(COFF::PEMagic);
- CP.SectionTableSize = COFF::SectionSize * CP.Obj.Sections.size();
-
- uint32_t CurrentSectionDataOffset =
- CP.SectionTableStart + CP.SectionTableSize;
-
- for (COFFYAML::Section &S : CP.Obj.Sections) {
- // We support specifying exactly one of SectionData or Subsections. So if
- // there is already some SectionData, then we don't need to do any of this.
- if (S.Name == ".debug$S" && S.SectionData.binary_size() == 0) {
- CodeViewYAML::initializeStringsAndChecksums(S.DebugS,
- CP.StringsAndChecksums);
- if (CP.StringsAndChecksums.hasChecksums() &&
- CP.StringsAndChecksums.hasStrings())
- break;
- }
- }
-
- // Assign each section data address consecutively.
- for (COFFYAML::Section &S : CP.Obj.Sections) {
- if (S.Name == ".debug$S") {
- if (S.SectionData.binary_size() == 0) {
- assert(CP.StringsAndChecksums.hasStrings() &&
- "Object file does not have debug string table!");
-
- S.SectionData =
- toDebugS(S.DebugS, CP.StringsAndChecksums, CP.Allocator);
- }
- } else if (S.Name == ".debug$T") {
- if (S.SectionData.binary_size() == 0)
- S.SectionData = CodeViewYAML::toDebugT(S.DebugT, CP.Allocator, S.Name);
- } else if (S.Name == ".debug$P") {
- if (S.SectionData.binary_size() == 0)
- S.SectionData = CodeViewYAML::toDebugT(S.DebugP, CP.Allocator, S.Name);
- } else if (S.Name == ".debug$H") {
- if (S.DebugH.hasValue() && S.SectionData.binary_size() == 0)
- S.SectionData = CodeViewYAML::toDebugH(*S.DebugH, CP.Allocator);
- }
-
- if (S.SectionData.binary_size() > 0) {
- CurrentSectionDataOffset = alignTo(CurrentSectionDataOffset,
- CP.isPE() ? CP.getFileAlignment() : 4);
- S.Header.SizeOfRawData = S.SectionData.binary_size();
- if (CP.isPE())
- S.Header.SizeOfRawData =
- alignTo(S.Header.SizeOfRawData, CP.getFileAlignment());
- S.Header.PointerToRawData = CurrentSectionDataOffset;
- CurrentSectionDataOffset += S.Header.SizeOfRawData;
- if (!S.Relocations.empty()) {
- S.Header.PointerToRelocations = CurrentSectionDataOffset;
- S.Header.NumberOfRelocations = S.Relocations.size();
- CurrentSectionDataOffset +=
- S.Header.NumberOfRelocations * COFF::RelocationSize;
- }
- } else {
- // Leave SizeOfRawData unaltered. For .bss sections in object files, it
- // carries the section size.
- S.Header.PointerToRawData = 0;
- }
- }
-
- uint32_t SymbolTableStart = CurrentSectionDataOffset;
-
- // Calculate number of symbols.
- uint32_t NumberOfSymbols = 0;
- for (std::vector<COFFYAML::Symbol>::iterator i = CP.Obj.Symbols.begin(),
- e = CP.Obj.Symbols.end();
- i != e; ++i) {
- uint32_t NumberOfAuxSymbols = 0;
- if (i->FunctionDefinition)
- NumberOfAuxSymbols += 1;
- if (i->bfAndefSymbol)
- NumberOfAuxSymbols += 1;
- if (i->WeakExternal)
- NumberOfAuxSymbols += 1;
- if (!i->File.empty())
- NumberOfAuxSymbols +=
- (i->File.size() + CP.getSymbolSize() - 1) / CP.getSymbolSize();
- if (i->SectionDefinition)
- NumberOfAuxSymbols += 1;
- if (i->CLRToken)
- NumberOfAuxSymbols += 1;
- i->Header.NumberOfAuxSymbols = NumberOfAuxSymbols;
- NumberOfSymbols += 1 + NumberOfAuxSymbols;
- }
-
- // Store all the allocated start addresses in the header.
- CP.Obj.Header.NumberOfSections = CP.Obj.Sections.size();
- CP.Obj.Header.NumberOfSymbols = NumberOfSymbols;
- if (NumberOfSymbols > 0 || CP.StringTable.size() > 4)
- CP.Obj.Header.PointerToSymbolTable = SymbolTableStart;
- else
- CP.Obj.Header.PointerToSymbolTable = 0;
-
- *reinterpret_cast<support::ulittle32_t *>(&CP.StringTable[0]) =
- CP.StringTable.size();
-
- return true;
-}
-
-template <typename value_type> struct binary_le_impl {
- value_type Value;
- binary_le_impl(value_type V) : Value(V) {}
-};
-
-template <typename value_type>
-raw_ostream &operator<<(raw_ostream &OS,
- const binary_le_impl<value_type> &BLE) {
- char Buffer[sizeof(BLE.Value)];
- support::endian::write<value_type, support::little, support::unaligned>(
- Buffer, BLE.Value);
- OS.write(Buffer, sizeof(BLE.Value));
- return OS;
-}
-
-template <typename value_type>
-binary_le_impl<value_type> binary_le(value_type V) {
- return binary_le_impl<value_type>(V);
-}
-
-template <size_t NumBytes> struct zeros_impl {};
-
-template <size_t NumBytes>
-raw_ostream &operator<<(raw_ostream &OS, const zeros_impl<NumBytes> &) {
- char Buffer[NumBytes];
- memset(Buffer, 0, sizeof(Buffer));
- OS.write(Buffer, sizeof(Buffer));
- return OS;
-}
-
-template <typename T> zeros_impl<sizeof(T)> zeros(const T &) {
- return zeros_impl<sizeof(T)>();
-}
-
-template <typename T>
-static uint32_t initializeOptionalHeader(COFFParser &CP, uint16_t Magic,
- T Header) {
- memset(Header, 0, sizeof(*Header));
- Header->Magic = Magic;
- Header->SectionAlignment = CP.Obj.OptionalHeader->Header.SectionAlignment;
- Header->FileAlignment = CP.Obj.OptionalHeader->Header.FileAlignment;
- uint32_t SizeOfCode = 0, SizeOfInitializedData = 0,
- SizeOfUninitializedData = 0;
- uint32_t SizeOfHeaders = alignTo(CP.SectionTableStart + CP.SectionTableSize,
- Header->FileAlignment);
- uint32_t SizeOfImage = alignTo(SizeOfHeaders, Header->SectionAlignment);
- uint32_t BaseOfData = 0;
- for (const COFFYAML::Section &S : CP.Obj.Sections) {
- if (S.Header.Characteristics & COFF::IMAGE_SCN_CNT_CODE)
- SizeOfCode += S.Header.SizeOfRawData;
- if (S.Header.Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
- SizeOfInitializedData += S.Header.SizeOfRawData;
- if (S.Header.Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
- SizeOfUninitializedData += S.Header.SizeOfRawData;
- if (S.Name.equals(".text"))
- Header->BaseOfCode = S.Header.VirtualAddress; // RVA
- else if (S.Name.equals(".data"))
- BaseOfData = S.Header.VirtualAddress; // RVA
- if (S.Header.VirtualAddress)
- SizeOfImage += alignTo(S.Header.VirtualSize, Header->SectionAlignment);
- }
- Header->SizeOfCode = SizeOfCode;
- Header->SizeOfInitializedData = SizeOfInitializedData;
- Header->SizeOfUninitializedData = SizeOfUninitializedData;
- Header->AddressOfEntryPoint =
- CP.Obj.OptionalHeader->Header.AddressOfEntryPoint; // RVA
- Header->ImageBase = CP.Obj.OptionalHeader->Header.ImageBase;
- Header->MajorOperatingSystemVersion =
- CP.Obj.OptionalHeader->Header.MajorOperatingSystemVersion;
- Header->MinorOperatingSystemVersion =
- CP.Obj.OptionalHeader->Header.MinorOperatingSystemVersion;
- Header->MajorImageVersion = CP.Obj.OptionalHeader->Header.MajorImageVersion;
- Header->MinorImageVersion = CP.Obj.OptionalHeader->Header.MinorImageVersion;
- Header->MajorSubsystemVersion =
- CP.Obj.OptionalHeader->Header.MajorSubsystemVersion;
- Header->MinorSubsystemVersion =
- CP.Obj.OptionalHeader->Header.MinorSubsystemVersion;
- Header->SizeOfImage = SizeOfImage;
- Header->SizeOfHeaders = SizeOfHeaders;
- Header->Subsystem = CP.Obj.OptionalHeader->Header.Subsystem;
- Header->DLLCharacteristics = CP.Obj.OptionalHeader->Header.DLLCharacteristics;
- Header->SizeOfStackReserve = CP.Obj.OptionalHeader->Header.SizeOfStackReserve;
- Header->SizeOfStackCommit = CP.Obj.OptionalHeader->Header.SizeOfStackCommit;
- Header->SizeOfHeapReserve = CP.Obj.OptionalHeader->Header.SizeOfHeapReserve;
- Header->SizeOfHeapCommit = CP.Obj.OptionalHeader->Header.SizeOfHeapCommit;
- Header->NumberOfRvaAndSize = COFF::NUM_DATA_DIRECTORIES + 1;
- return BaseOfData;
-}
-
-static bool writeCOFF(COFFParser &CP, raw_ostream &OS) {
- if (CP.isPE()) {
- // PE files start with a DOS stub.
- object::dos_header DH;
- memset(&DH, 0, sizeof(DH));
-
- // DOS EXEs start with "MZ" magic.
- DH.Magic[0] = 'M';
- DH.Magic[1] = 'Z';
- // Initializing the AddressOfRelocationTable is strictly optional but
- // mollifies certain tools which expect it to have a value greater than
- // 0x40.
- DH.AddressOfRelocationTable = sizeof(DH);
- // This is the address of the PE signature.
- DH.AddressOfNewExeHeader = DOSStubSize;
-
- // Write out our DOS stub.
- OS.write(reinterpret_cast<char *>(&DH), sizeof(DH));
- // Write padding until we reach the position of where our PE signature
- // should live.
- OS.write_zeros(DOSStubSize - sizeof(DH));
- // Write out the PE signature.
- OS.write(COFF::PEMagic, sizeof(COFF::PEMagic));
- }
- if (CP.useBigObj()) {
- OS << binary_le(static_cast<uint16_t>(COFF::IMAGE_FILE_MACHINE_UNKNOWN))
- << binary_le(static_cast<uint16_t>(0xffff))
- << binary_le(
- static_cast<uint16_t>(COFF::BigObjHeader::MinBigObjectVersion))
- << binary_le(CP.Obj.Header.Machine)
- << binary_le(CP.Obj.Header.TimeDateStamp);
- OS.write(COFF::BigObjMagic, sizeof(COFF::BigObjMagic));
- OS << zeros(uint32_t(0)) << zeros(uint32_t(0)) << zeros(uint32_t(0))
- << zeros(uint32_t(0)) << binary_le(CP.Obj.Header.NumberOfSections)
- << binary_le(CP.Obj.Header.PointerToSymbolTable)
- << binary_le(CP.Obj.Header.NumberOfSymbols);
- } else {
- OS << binary_le(CP.Obj.Header.Machine)
- << binary_le(static_cast<int16_t>(CP.Obj.Header.NumberOfSections))
- << binary_le(CP.Obj.Header.TimeDateStamp)
- << binary_le(CP.Obj.Header.PointerToSymbolTable)
- << binary_le(CP.Obj.Header.NumberOfSymbols)
- << binary_le(CP.Obj.Header.SizeOfOptionalHeader)
- << binary_le(CP.Obj.Header.Characteristics);
- }
- if (CP.isPE()) {
- if (CP.is64Bit()) {
- object::pe32plus_header PEH;
- initializeOptionalHeader(CP, COFF::PE32Header::PE32_PLUS, &PEH);
- OS.write(reinterpret_cast<char *>(&PEH), sizeof(PEH));
- } else {
- object::pe32_header PEH;
- uint32_t BaseOfData =
- initializeOptionalHeader(CP, COFF::PE32Header::PE32, &PEH);
- PEH.BaseOfData = BaseOfData;
- OS.write(reinterpret_cast<char *>(&PEH), sizeof(PEH));
- }
- for (const Optional<COFF::DataDirectory> &DD :
- CP.Obj.OptionalHeader->DataDirectories) {
- if (!DD.hasValue()) {
- OS << zeros(uint32_t(0));
- OS << zeros(uint32_t(0));
- } else {
- OS << binary_le(DD->RelativeVirtualAddress);
- OS << binary_le(DD->Size);
- }
- }
- OS << zeros(uint32_t(0));
- OS << zeros(uint32_t(0));
- }
-
- assert(OS.tell() == CP.SectionTableStart);
- // Output section table.
- for (std::vector<COFFYAML::Section>::iterator i = CP.Obj.Sections.begin(),
- e = CP.Obj.Sections.end();
- i != e; ++i) {
- OS.write(i->Header.Name, COFF::NameSize);
- OS << binary_le(i->Header.VirtualSize)
- << binary_le(i->Header.VirtualAddress)
- << binary_le(i->Header.SizeOfRawData)
- << binary_le(i->Header.PointerToRawData)
- << binary_le(i->Header.PointerToRelocations)
- << binary_le(i->Header.PointerToLineNumbers)
- << binary_le(i->Header.NumberOfRelocations)
- << binary_le(i->Header.NumberOfLineNumbers)
- << binary_le(i->Header.Characteristics);
- }
- assert(OS.tell() == CP.SectionTableStart + CP.SectionTableSize);
-
- unsigned CurSymbol = 0;
- StringMap<unsigned> SymbolTableIndexMap;
- for (std::vector<COFFYAML::Symbol>::iterator I = CP.Obj.Symbols.begin(),
- E = CP.Obj.Symbols.end();
- I != E; ++I) {
- SymbolTableIndexMap[I->Name] = CurSymbol;
- CurSymbol += 1 + I->Header.NumberOfAuxSymbols;
- }
-
- // Output section data.
- for (const COFFYAML::Section &S : CP.Obj.Sections) {
- if (S.Header.SizeOfRawData == 0 || S.Header.PointerToRawData == 0)
- continue;
- assert(S.Header.PointerToRawData >= OS.tell());
- OS.write_zeros(S.Header.PointerToRawData - OS.tell());
- S.SectionData.writeAsBinary(OS);
- assert(S.Header.SizeOfRawData >= S.SectionData.binary_size());
- OS.write_zeros(S.Header.SizeOfRawData - S.SectionData.binary_size());
- for (const COFFYAML::Relocation &R : S.Relocations) {
- uint32_t SymbolTableIndex;
- if (R.SymbolTableIndex) {
- if (!R.SymbolName.empty())
- WithColor::error()
- << "Both SymbolName and SymbolTableIndex specified\n";
- SymbolTableIndex = *R.SymbolTableIndex;
- } else {
- SymbolTableIndex = SymbolTableIndexMap[R.SymbolName];
- }
- OS << binary_le(R.VirtualAddress) << binary_le(SymbolTableIndex)
- << binary_le(R.Type);
- }
- }
-
- // Output symbol table.
-
- for (std::vector<COFFYAML::Symbol>::const_iterator i = CP.Obj.Symbols.begin(),
- e = CP.Obj.Symbols.end();
- i != e; ++i) {
- OS.write(i->Header.Name, COFF::NameSize);
- OS << binary_le(i->Header.Value);
- if (CP.useBigObj())
- OS << binary_le(i->Header.SectionNumber);
- else
- OS << binary_le(static_cast<int16_t>(i->Header.SectionNumber));
- OS << binary_le(i->Header.Type) << binary_le(i->Header.StorageClass)
- << binary_le(i->Header.NumberOfAuxSymbols);
-
- if (i->FunctionDefinition) {
- OS << binary_le(i->FunctionDefinition->TagIndex)
- << binary_le(i->FunctionDefinition->TotalSize)
- << binary_le(i->FunctionDefinition->PointerToLinenumber)
- << binary_le(i->FunctionDefinition->PointerToNextFunction)
- << zeros(i->FunctionDefinition->unused);
- OS.write_zeros(CP.getSymbolSize() - COFF::Symbol16Size);
- }
- if (i->bfAndefSymbol) {
- OS << zeros(i->bfAndefSymbol->unused1)
- << binary_le(i->bfAndefSymbol->Linenumber)
- << zeros(i->bfAndefSymbol->unused2)
- << binary_le(i->bfAndefSymbol->PointerToNextFunction)
- << zeros(i->bfAndefSymbol->unused3);
- OS.write_zeros(CP.getSymbolSize() - COFF::Symbol16Size);
- }
- if (i->WeakExternal) {
- OS << binary_le(i->WeakExternal->TagIndex)
- << binary_le(i->WeakExternal->Characteristics)
- << zeros(i->WeakExternal->unused);
- OS.write_zeros(CP.getSymbolSize() - COFF::Symbol16Size);
- }
- if (!i->File.empty()) {
- unsigned SymbolSize = CP.getSymbolSize();
- uint32_t NumberOfAuxRecords =
- (i->File.size() + SymbolSize - 1) / SymbolSize;
- uint32_t NumberOfAuxBytes = NumberOfAuxRecords * SymbolSize;
- uint32_t NumZeros = NumberOfAuxBytes - i->File.size();
- OS.write(i->File.data(), i->File.size());
- OS.write_zeros(NumZeros);
- }
- if (i->SectionDefinition) {
- OS << binary_le(i->SectionDefinition->Length)
- << binary_le(i->SectionDefinition->NumberOfRelocations)
- << binary_le(i->SectionDefinition->NumberOfLinenumbers)
- << binary_le(i->SectionDefinition->CheckSum)
- << binary_le(static_cast<int16_t>(i->SectionDefinition->Number))
- << binary_le(i->SectionDefinition->Selection)
- << zeros(i->SectionDefinition->unused)
- << binary_le(static_cast<int16_t>(i->SectionDefinition->Number >> 16));
- OS.write_zeros(CP.getSymbolSize() - COFF::Symbol16Size);
- }
- if (i->CLRToken) {
- OS << binary_le(i->CLRToken->AuxType) << zeros(i->CLRToken->unused1)
- << binary_le(i->CLRToken->SymbolTableIndex)
- << zeros(i->CLRToken->unused2);
- OS.write_zeros(CP.getSymbolSize() - COFF::Symbol16Size);
- }
- }
-
- // Output string table.
- if (CP.Obj.Header.PointerToSymbolTable)
- OS.write(&CP.StringTable[0], CP.StringTable.size());
- return true;
-}
-
-namespace llvm {
-namespace yaml {
-
-int yaml2coff(llvm::COFFYAML::Object &Doc, raw_ostream &Out) {
- COFFParser CP(Doc);
- if (!CP.parse()) {
- errs() << "yaml2obj: Failed to parse YAML file!\n";
- return 1;
- }
-
- if (!layoutOptionalHeader(CP)) {
- errs() << "yaml2obj: Failed to layout optional header for COFF file!\n";
- return 1;
- }
-
- if (!layoutCOFF(CP)) {
- errs() << "yaml2obj: Failed to layout COFF file!\n";
- return 1;
- }
- if (!writeCOFF(CP, Out)) {
- errs() << "yaml2obj: Failed to write COFF file!\n";
- return 1;
- }
- return 0;
-}
-
-} // namespace yaml
-} // namespace llvm
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