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authorRafael Espindola <rafael.espindola@gmail.com>2013-04-05 20:00:35 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2013-04-05 20:00:35 +0000
commit3455b32b3e795ea27a31b6cb1c225812515e3e2c (patch)
tree18c62fdf2bb69395ac1224cfcd2ec78b51affb59 /tools/yaml2obj/yaml2obj.cpp
parent0e5dc8aacb548d51b0ca9035a7d449a8e5862dd2 (diff)
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Move yaml2obj to tools too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178904 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/yaml2obj/yaml2obj.cpp')
-rw-r--r--tools/yaml2obj/yaml2obj.cpp707
1 files changed, 707 insertions, 0 deletions
diff --git a/tools/yaml2obj/yaml2obj.cpp b/tools/yaml2obj/yaml2obj.cpp
new file mode 100644
index 0000000..191c49f
--- /dev/null
+++ b/tools/yaml2obj/yaml2obj.cpp
@@ -0,0 +1,707 @@
+//===- yaml2obj - Convert YAML to a binary object file --------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This program takes a YAML description of an object file and outputs the
+// binary equivalent.
+//
+// This is used for writing tests that require binary files.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/COFF.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/YAMLTraits.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/system_error.h"
+#include <vector>
+
+using namespace llvm;
+
+static cl::opt<std::string>
+ Input(cl::Positional, cl::desc("<input>"), cl::init("-"));
+
+template<class T>
+typename llvm::enable_if_c<std::numeric_limits<T>::is_integer, bool>::type
+getAs(const llvm::yaml::ScalarNode *SN, T &Result) {
+ SmallString<4> Storage;
+ StringRef Value = SN->getValue(Storage);
+ if (Value.getAsInteger(0, Result))
+ return false;
+ return true;
+}
+
+// Given a container with begin and end with ::value_type of a character type.
+// Iterate through pairs of characters in the the set of [a-fA-F0-9] ignoring
+// all other characters.
+struct hex_pair_iterator {
+ StringRef::const_iterator Current, End;
+ typedef SmallVector<char, 2> value_type;
+ value_type Pair;
+ bool IsDone;
+
+ hex_pair_iterator(StringRef C)
+ : Current(C.begin()), End(C.end()), IsDone(false) {
+ // Initalize Pair.
+ ++*this;
+ }
+
+ // End iterator.
+ hex_pair_iterator() : Current(), End(), IsDone(true) {}
+
+ value_type operator *() const {
+ return Pair;
+ }
+
+ hex_pair_iterator operator ++() {
+ // We're at the end of the input.
+ if (Current == End) {
+ IsDone = true;
+ return *this;
+ }
+ Pair = value_type();
+ for (; Current != End && Pair.size() != 2; ++Current) {
+ // Is a valid hex digit.
+ if ((*Current >= '0' && *Current <= '9') ||
+ (*Current >= 'a' && *Current <= 'f') ||
+ (*Current >= 'A' && *Current <= 'F'))
+ Pair.push_back(*Current);
+ }
+ // Hit the end without getting 2 hex digits. Pair is invalid.
+ if (Pair.size() != 2)
+ IsDone = true;
+ return *this;
+ }
+
+ bool operator ==(const hex_pair_iterator Other) {
+ return (IsDone == Other.IsDone) ||
+ (Current == Other.Current && End == Other.End);
+ }
+
+ bool operator !=(const hex_pair_iterator Other) {
+ return !(*this == Other);
+ }
+};
+
+template <class ContainerOut>
+static bool hexStringToByteArray(StringRef Str, ContainerOut &Out) {
+ for (hex_pair_iterator I(Str), E; I != E; ++I) {
+ typename hex_pair_iterator::value_type Pair = *I;
+ typename ContainerOut::value_type Byte;
+ if (StringRef(Pair.data(), 2).getAsInteger(16, Byte))
+ return false;
+ Out.push_back(Byte);
+ }
+ return true;
+}
+
+// The structure of the yaml files is not an exact 1:1 match to COFF. In order
+// to use yaml::IO, we use these structures which are closer to the source.
+namespace COFFYAML {
+ struct Relocation {
+ uint32_t VirtualAddress;
+ uint32_t SymbolTableIndex;
+ COFF::RelocationTypeX86 Type;
+ };
+
+ struct Section {
+ COFF::SectionCharacteristics Characteristics;
+ StringRef SectionData;
+ std::vector<Relocation> Relocations;
+ StringRef Name;
+ };
+
+ struct Header {
+ COFF::MachineTypes Machine;
+ COFF::Characteristics Characteristics;
+ };
+
+ struct Symbol {
+ COFF::SymbolBaseType SimpleType;
+ uint8_t NumberOfAuxSymbols;
+ StringRef Name;
+ COFF::SymbolStorageClass StorageClass;
+ StringRef AuxillaryData;
+ COFF::SymbolComplexType ComplexType;
+ uint32_t Value;
+ uint16_t SectionNumber;
+ };
+
+ struct Object {
+ Header HeaderData;
+ std::vector<Section> Sections;
+ std::vector<Symbol> Symbols;
+ };
+}
+
+/// 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) {
+ std::memset(&Header, 0, sizeof(Header));
+ // 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, 0);
+ }
+
+ void parseHeader() {
+ Header.Machine = Obj.HeaderData.Machine;
+ Header.Characteristics = Obj.HeaderData.Characteristics;
+ }
+
+ bool parseSections() {
+ for (std::vector<COFFYAML::Section>::iterator i = Obj.Sections.begin(),
+ e = Obj.Sections.end(); i != e; ++i) {
+ const COFFYAML::Section &YamlSection = *i;
+ Section Sec;
+ std::memset(&Sec.Header, 0, sizeof(Sec.Header));
+
+ // If the name is less than 8 bytes, store it in place, otherwise
+ // store it in the string table.
+ StringRef Name = YamlSection.Name;
+ std::fill_n(Sec.Header.Name, unsigned(COFF::NameSize), 0);
+ 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";
+ return false;
+ }
+ Sec.Header.Name[0] = '/';
+ std::copy(str.begin(), str.end(), Sec.Header.Name + 1);
+ }
+
+ Sec.Header.Characteristics = YamlSection.Characteristics;
+
+ StringRef Data = YamlSection.SectionData;
+ if (!hexStringToByteArray(Data, Sec.Data)) {
+ errs() << "SectionData must be a collection of pairs of hex bytes";
+ return false;
+ }
+ Sections.push_back(Sec);
+ }
+ return true;
+ }
+
+ bool parseSymbols() {
+ for (std::vector<COFFYAML::Symbol>::iterator i = Obj.Symbols.begin(),
+ e = Obj.Symbols.end(); i != e; ++i) {
+ COFFYAML::Symbol YamlSymbol = *i;
+ Symbol Sym;
+ std::memset(&Sym.Header, 0, sizeof(Sym.Header));
+
+ // If the name is less than 8 bytes, store it in place, otherwise
+ // store it in the string table.
+ StringRef Name = YamlSymbol.Name;
+ std::fill_n(Sym.Header.Name, unsigned(COFF::NameSize), 0);
+ 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.Value = YamlSymbol.Value;
+ Sym.Header.Type |= YamlSymbol.SimpleType;
+ Sym.Header.Type |= YamlSymbol.ComplexType << COFF::SCT_COMPLEX_TYPE_SHIFT;
+ Sym.Header.StorageClass = YamlSymbol.StorageClass;
+ Sym.Header.SectionNumber = YamlSymbol.SectionNumber;
+
+ StringRef Data = YamlSymbol.AuxillaryData;
+ if (!hexStringToByteArray(Data, Sym.AuxSymbols)) {
+ errs() << "AuxillaryData must be a collection of pairs of hex bytes";
+ return false;
+ }
+ Symbols.push_back(Sym);
+ }
+ return true;
+ }
+
+ bool parse() {
+ parseHeader();
+ 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;
+ COFF::header Header;
+
+ struct Section {
+ COFF::section Header;
+ std::vector<uint8_t> Data;
+ std::vector<COFF::relocation> Relocations;
+ };
+
+ struct Symbol {
+ COFF::symbol Header;
+ std::vector<uint8_t> AuxSymbols;
+ };
+
+ std::vector<Section> Sections;
+ std::vector<Symbol> Symbols;
+ StringMap<unsigned> StringTableMap;
+ std::string StringTable;
+};
+
+// 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) {
+ uint32_t SectionTableStart = 0;
+ uint32_t SectionTableSize = 0;
+
+ // The section table starts immediately after the header, including the
+ // optional header.
+ SectionTableStart = sizeof(COFF::header) + CP.Header.SizeOfOptionalHeader;
+ SectionTableSize = sizeof(COFF::section) * CP.Sections.size();
+
+ uint32_t CurrentSectionDataOffset = SectionTableStart + SectionTableSize;
+
+ // Assign each section data address consecutively.
+ for (std::vector<COFFParser::Section>::iterator i = CP.Sections.begin(),
+ e = CP.Sections.end();
+ i != e; ++i) {
+ if (!i->Data.empty()) {
+ i->Header.SizeOfRawData = i->Data.size();
+ i->Header.PointerToRawData = CurrentSectionDataOffset;
+ CurrentSectionDataOffset += i->Header.SizeOfRawData;
+ // TODO: Handle alignment.
+ } else {
+ i->Header.SizeOfRawData = 0;
+ i->Header.PointerToRawData = 0;
+ }
+ }
+
+ uint32_t SymbolTableStart = CurrentSectionDataOffset;
+
+ // Calculate number of symbols.
+ uint32_t NumberOfSymbols = 0;
+ for (std::vector<COFFParser::Symbol>::iterator i = CP.Symbols.begin(),
+ e = CP.Symbols.end();
+ i != e; ++i) {
+ if (i->AuxSymbols.size() % COFF::SymbolSize != 0) {
+ errs() << "AuxillaryData size not a multiple of symbol size!\n";
+ return false;
+ }
+ i->Header.NumberOfAuxSymbols = i->AuxSymbols.size() / COFF::SymbolSize;
+ NumberOfSymbols += 1 + i->Header.NumberOfAuxSymbols;
+ }
+
+ // Store all the allocated start addresses in the header.
+ CP.Header.NumberOfSections = CP.Sections.size();
+ CP.Header.NumberOfSymbols = NumberOfSymbols;
+ CP.Header.PointerToSymbolTable = SymbolTableStart;
+
+ *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);
+}
+
+void writeCOFF(COFFParser &CP, raw_ostream &OS) {
+ OS << binary_le(CP.Header.Machine)
+ << binary_le(CP.Header.NumberOfSections)
+ << binary_le(CP.Header.TimeDateStamp)
+ << binary_le(CP.Header.PointerToSymbolTable)
+ << binary_le(CP.Header.NumberOfSymbols)
+ << binary_le(CP.Header.SizeOfOptionalHeader)
+ << binary_le(CP.Header.Characteristics);
+
+ // Output section table.
+ for (std::vector<COFFParser::Section>::const_iterator i = CP.Sections.begin(),
+ e = CP.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);
+ }
+
+ // Output section data.
+ for (std::vector<COFFParser::Section>::const_iterator i = CP.Sections.begin(),
+ e = CP.Sections.end();
+ i != e; ++i) {
+ if (!i->Data.empty())
+ OS.write(reinterpret_cast<const char*>(&i->Data[0]), i->Data.size());
+ }
+
+ // Output symbol table.
+
+ for (std::vector<COFFParser::Symbol>::const_iterator i = CP.Symbols.begin(),
+ e = CP.Symbols.end();
+ i != e; ++i) {
+ OS.write(i->Header.Name, COFF::NameSize);
+ OS << binary_le(i->Header.Value)
+ << binary_le(i->Header.SectionNumber)
+ << binary_le(i->Header.Type)
+ << binary_le(i->Header.StorageClass)
+ << binary_le(i->Header.NumberOfAuxSymbols);
+ if (!i->AuxSymbols.empty())
+ OS.write( reinterpret_cast<const char*>(&i->AuxSymbols[0])
+ , i->AuxSymbols.size());
+ }
+
+ // Output string table.
+ OS.write(&CP.StringTable[0], CP.StringTable.size());
+}
+
+LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Relocation)
+LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Section)
+LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Symbol)
+
+namespace llvm {
+
+namespace COFF {
+ Characteristics operator|(Characteristics a, Characteristics b) {
+ uint32_t Ret = static_cast<uint32_t>(a) | static_cast<uint32_t>(b);
+ return static_cast<Characteristics>(Ret);
+ }
+
+ SectionCharacteristics
+ operator|(SectionCharacteristics a, SectionCharacteristics b) {
+ uint32_t Ret = static_cast<uint32_t>(a) | static_cast<uint32_t>(b);
+ return static_cast<SectionCharacteristics>(Ret);
+ }
+}
+
+namespace yaml {
+
+#define BCase(X) IO.bitSetCase(Value, #X, COFF::X);
+
+template <>
+struct ScalarBitSetTraits<COFF::SectionCharacteristics> {
+ static void bitset(IO &IO, COFF::SectionCharacteristics &Value) {
+ BCase(IMAGE_SCN_TYPE_NO_PAD);
+ BCase(IMAGE_SCN_CNT_CODE);
+ BCase(IMAGE_SCN_CNT_INITIALIZED_DATA);
+ BCase(IMAGE_SCN_CNT_UNINITIALIZED_DATA);
+ BCase(IMAGE_SCN_LNK_OTHER);
+ BCase(IMAGE_SCN_LNK_INFO);
+ BCase(IMAGE_SCN_LNK_REMOVE);
+ BCase(IMAGE_SCN_LNK_COMDAT);
+ BCase(IMAGE_SCN_GPREL);
+ BCase(IMAGE_SCN_MEM_PURGEABLE);
+ BCase(IMAGE_SCN_MEM_16BIT);
+ BCase(IMAGE_SCN_MEM_LOCKED);
+ BCase(IMAGE_SCN_MEM_PRELOAD);
+ BCase(IMAGE_SCN_ALIGN_1BYTES);
+ BCase(IMAGE_SCN_ALIGN_2BYTES);
+ BCase(IMAGE_SCN_ALIGN_4BYTES);
+ BCase(IMAGE_SCN_ALIGN_8BYTES);
+ BCase(IMAGE_SCN_ALIGN_16BYTES);
+ BCase(IMAGE_SCN_ALIGN_32BYTES);
+ BCase(IMAGE_SCN_ALIGN_64BYTES);
+ BCase(IMAGE_SCN_ALIGN_128BYTES);
+ BCase(IMAGE_SCN_ALIGN_256BYTES);
+ BCase(IMAGE_SCN_ALIGN_512BYTES);
+ BCase(IMAGE_SCN_ALIGN_1024BYTES);
+ BCase(IMAGE_SCN_ALIGN_2048BYTES);
+ BCase(IMAGE_SCN_ALIGN_4096BYTES);
+ BCase(IMAGE_SCN_ALIGN_8192BYTES);
+ BCase(IMAGE_SCN_LNK_NRELOC_OVFL);
+ BCase(IMAGE_SCN_MEM_DISCARDABLE);
+ BCase(IMAGE_SCN_MEM_NOT_CACHED);
+ BCase(IMAGE_SCN_MEM_NOT_PAGED);
+ BCase(IMAGE_SCN_MEM_SHARED);
+ BCase(IMAGE_SCN_MEM_EXECUTE);
+ BCase(IMAGE_SCN_MEM_READ);
+ BCase(IMAGE_SCN_MEM_WRITE);
+ }
+};
+
+template <>
+struct ScalarBitSetTraits<COFF::Characteristics> {
+ static void bitset(IO &IO, COFF::Characteristics &Value) {
+ BCase(IMAGE_FILE_RELOCS_STRIPPED);
+ BCase(IMAGE_FILE_EXECUTABLE_IMAGE);
+ BCase(IMAGE_FILE_LINE_NUMS_STRIPPED);
+ BCase(IMAGE_FILE_LOCAL_SYMS_STRIPPED);
+ BCase(IMAGE_FILE_AGGRESSIVE_WS_TRIM);
+ BCase(IMAGE_FILE_LARGE_ADDRESS_AWARE);
+ BCase(IMAGE_FILE_BYTES_REVERSED_LO);
+ BCase(IMAGE_FILE_32BIT_MACHINE);
+ BCase(IMAGE_FILE_DEBUG_STRIPPED);
+ BCase(IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP);
+ BCase(IMAGE_FILE_NET_RUN_FROM_SWAP);
+ BCase(IMAGE_FILE_SYSTEM);
+ BCase(IMAGE_FILE_DLL);
+ BCase(IMAGE_FILE_UP_SYSTEM_ONLY);
+ BCase(IMAGE_FILE_BYTES_REVERSED_HI);
+ }
+};
+#undef BCase
+
+#define ECase(X) IO.enumCase(Value, #X, COFF::X);
+
+template <>
+struct ScalarEnumerationTraits<COFF::SymbolComplexType> {
+ static void enumeration(IO &IO, COFF::SymbolComplexType &Value) {
+ ECase(IMAGE_SYM_DTYPE_NULL);
+ ECase(IMAGE_SYM_DTYPE_POINTER);
+ ECase(IMAGE_SYM_DTYPE_FUNCTION);
+ ECase(IMAGE_SYM_DTYPE_ARRAY);
+ }
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::SymbolStorageClass> {
+ static void enumeration(IO &IO, COFF::SymbolStorageClass &Value) {
+ ECase(IMAGE_SYM_CLASS_END_OF_FUNCTION);
+ ECase(IMAGE_SYM_CLASS_NULL);
+ ECase(IMAGE_SYM_CLASS_AUTOMATIC);
+ ECase(IMAGE_SYM_CLASS_EXTERNAL);
+ ECase(IMAGE_SYM_CLASS_STATIC);
+ ECase(IMAGE_SYM_CLASS_REGISTER);
+ ECase(IMAGE_SYM_CLASS_EXTERNAL_DEF);
+ ECase(IMAGE_SYM_CLASS_LABEL);
+ ECase(IMAGE_SYM_CLASS_UNDEFINED_LABEL);
+ ECase(IMAGE_SYM_CLASS_MEMBER_OF_STRUCT);
+ ECase(IMAGE_SYM_CLASS_ARGUMENT);
+ ECase(IMAGE_SYM_CLASS_STRUCT_TAG);
+ ECase(IMAGE_SYM_CLASS_MEMBER_OF_UNION);
+ ECase(IMAGE_SYM_CLASS_UNION_TAG);
+ ECase(IMAGE_SYM_CLASS_TYPE_DEFINITION);
+ ECase(IMAGE_SYM_CLASS_UNDEFINED_STATIC);
+ ECase(IMAGE_SYM_CLASS_ENUM_TAG);
+ ECase(IMAGE_SYM_CLASS_MEMBER_OF_ENUM);
+ ECase(IMAGE_SYM_CLASS_REGISTER_PARAM);
+ ECase(IMAGE_SYM_CLASS_BIT_FIELD);
+ ECase(IMAGE_SYM_CLASS_BLOCK);
+ ECase(IMAGE_SYM_CLASS_FUNCTION);
+ ECase(IMAGE_SYM_CLASS_END_OF_STRUCT);
+ ECase(IMAGE_SYM_CLASS_FILE);
+ ECase(IMAGE_SYM_CLASS_SECTION);
+ ECase(IMAGE_SYM_CLASS_WEAK_EXTERNAL);
+ ECase(IMAGE_SYM_CLASS_CLR_TOKEN);
+ }
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::SymbolBaseType> {
+ static void enumeration(IO &IO, COFF::SymbolBaseType &Value) {
+ ECase(IMAGE_SYM_TYPE_NULL);
+ ECase(IMAGE_SYM_TYPE_VOID);
+ ECase(IMAGE_SYM_TYPE_CHAR);
+ ECase(IMAGE_SYM_TYPE_SHORT);
+ ECase(IMAGE_SYM_TYPE_INT);
+ ECase(IMAGE_SYM_TYPE_LONG);
+ ECase(IMAGE_SYM_TYPE_FLOAT);
+ ECase(IMAGE_SYM_TYPE_DOUBLE);
+ ECase(IMAGE_SYM_TYPE_STRUCT);
+ ECase(IMAGE_SYM_TYPE_UNION);
+ ECase(IMAGE_SYM_TYPE_ENUM);
+ ECase(IMAGE_SYM_TYPE_MOE);
+ ECase(IMAGE_SYM_TYPE_BYTE);
+ ECase(IMAGE_SYM_TYPE_WORD);
+ ECase(IMAGE_SYM_TYPE_UINT);
+ ECase(IMAGE_SYM_TYPE_DWORD);
+ }
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::MachineTypes> {
+ static void enumeration(IO &IO, COFF::MachineTypes &Value) {
+ ECase(IMAGE_FILE_MACHINE_UNKNOWN);
+ ECase(IMAGE_FILE_MACHINE_AM33);
+ ECase(IMAGE_FILE_MACHINE_AMD64);
+ ECase(IMAGE_FILE_MACHINE_ARM);
+ ECase(IMAGE_FILE_MACHINE_ARMV7);
+ ECase(IMAGE_FILE_MACHINE_EBC);
+ ECase(IMAGE_FILE_MACHINE_I386);
+ ECase(IMAGE_FILE_MACHINE_IA64);
+ ECase(IMAGE_FILE_MACHINE_M32R);
+ ECase(IMAGE_FILE_MACHINE_MIPS16);
+ ECase(IMAGE_FILE_MACHINE_MIPSFPU);
+ ECase(IMAGE_FILE_MACHINE_MIPSFPU16);
+ ECase(IMAGE_FILE_MACHINE_POWERPC);
+ ECase(IMAGE_FILE_MACHINE_POWERPCFP);
+ ECase(IMAGE_FILE_MACHINE_R4000);
+ ECase(IMAGE_FILE_MACHINE_SH3);
+ ECase(IMAGE_FILE_MACHINE_SH3DSP);
+ ECase(IMAGE_FILE_MACHINE_SH4);
+ ECase(IMAGE_FILE_MACHINE_SH5);
+ ECase(IMAGE_FILE_MACHINE_THUMB);
+ ECase(IMAGE_FILE_MACHINE_WCEMIPSV2);
+ }
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::RelocationTypeX86> {
+ static void enumeration(IO &IO, COFF::RelocationTypeX86 &Value) {
+ ECase(IMAGE_REL_I386_ABSOLUTE);
+ ECase(IMAGE_REL_I386_DIR16);
+ ECase(IMAGE_REL_I386_REL16);
+ ECase(IMAGE_REL_I386_DIR32);
+ ECase(IMAGE_REL_I386_DIR32NB);
+ ECase(IMAGE_REL_I386_SEG12);
+ ECase(IMAGE_REL_I386_SECTION);
+ ECase(IMAGE_REL_I386_SECREL);
+ ECase(IMAGE_REL_I386_TOKEN);
+ ECase(IMAGE_REL_I386_SECREL7);
+ ECase(IMAGE_REL_I386_REL32);
+ ECase(IMAGE_REL_AMD64_ABSOLUTE);
+ ECase(IMAGE_REL_AMD64_ADDR64);
+ ECase(IMAGE_REL_AMD64_ADDR32);
+ ECase(IMAGE_REL_AMD64_ADDR32NB);
+ ECase(IMAGE_REL_AMD64_REL32);
+ ECase(IMAGE_REL_AMD64_REL32_1);
+ ECase(IMAGE_REL_AMD64_REL32_2);
+ ECase(IMAGE_REL_AMD64_REL32_3);
+ ECase(IMAGE_REL_AMD64_REL32_4);
+ ECase(IMAGE_REL_AMD64_REL32_5);
+ ECase(IMAGE_REL_AMD64_SECTION);
+ ECase(IMAGE_REL_AMD64_SECREL);
+ ECase(IMAGE_REL_AMD64_SECREL7);
+ ECase(IMAGE_REL_AMD64_TOKEN);
+ ECase(IMAGE_REL_AMD64_SREL32);
+ ECase(IMAGE_REL_AMD64_PAIR);
+ ECase(IMAGE_REL_AMD64_SSPAN32);
+ }
+};
+
+#undef ECase
+
+template <>
+struct MappingTraits<COFFYAML::Symbol> {
+ static void mapping(IO &IO, COFFYAML::Symbol &S) {
+ IO.mapRequired("SimpleType", S.SimpleType);
+ IO.mapOptional("NumberOfAuxSymbols", S.NumberOfAuxSymbols);
+ IO.mapRequired("Name", S.Name);
+ IO.mapRequired("StorageClass", S.StorageClass);
+ IO.mapOptional("AuxillaryData", S.AuxillaryData); // FIXME: typo
+ IO.mapRequired("ComplexType", S.ComplexType);
+ IO.mapRequired("Value", S.Value);
+ IO.mapRequired("SectionNumber", S.SectionNumber);
+ }
+};
+
+template <>
+struct MappingTraits<COFFYAML::Header> {
+ static void mapping(IO &IO, COFFYAML::Header &H) {
+ IO.mapRequired("Machine", H.Machine);
+ IO.mapOptional("Characteristics", H.Characteristics);
+ }
+};
+
+template <>
+struct MappingTraits<COFFYAML::Relocation> {
+ static void mapping(IO &IO, COFFYAML::Relocation &Rel) {
+ IO.mapRequired("Type", Rel.Type);
+ IO.mapRequired("VirtualAddress", Rel.VirtualAddress);
+ IO.mapRequired("SymbolTableIndex", Rel.SymbolTableIndex);
+ }
+};
+
+template <>
+struct MappingTraits<COFFYAML::Section> {
+ static void mapping(IO &IO, COFFYAML::Section &Sec) {
+ IO.mapOptional("Relocations", Sec.Relocations);
+ IO.mapRequired("SectionData", Sec.SectionData);
+ IO.mapRequired("Characteristics", Sec.Characteristics);
+ IO.mapRequired("Name", Sec.Name);
+ }
+};
+
+template <>
+struct MappingTraits<COFFYAML::Object> {
+ static void mapping(IO &IO, COFFYAML::Object &Obj) {
+ IO.mapRequired("sections", Obj.Sections);
+ IO.mapRequired("header", Obj.HeaderData);
+ IO.mapRequired("symbols", Obj.Symbols);
+ }
+};
+} // end namespace yaml
+} // end namespace llvm
+
+int main(int argc, char **argv) {
+ cl::ParseCommandLineOptions(argc, argv);
+ sys::PrintStackTraceOnErrorSignal();
+ PrettyStackTraceProgram X(argc, argv);
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+
+ OwningPtr<MemoryBuffer> Buf;
+ if (MemoryBuffer::getFileOrSTDIN(Input, Buf))
+ return 1;
+
+ yaml::Input YIn(Buf->getBuffer());
+ COFFYAML::Object Doc;
+ YIn >> Doc;
+ if (YIn.error()) {
+ errs() << "yaml2obj: Failed to parse YAML file!\n";
+ return 1;
+ }
+
+ COFFParser CP(Doc);
+ if (!CP.parse()) {
+ errs() << "yaml2obj: Failed to parse YAML file!\n";
+ return 1;
+ }
+
+ if (!layoutCOFF(CP)) {
+ errs() << "yaml2obj: Failed to layout COFF file!\n";
+ return 1;
+ }
+ writeCOFF(CP, outs());
+}