#include "obj2yaml.h"
#include "llvm/Object/COFF.h"
+#include "llvm/Object/COFFYaml.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/YAMLTraits.h"
using namespace llvm;
-template <typename One, typename Two>
-struct pod_pair { // I'd much rather use std::pair, but it's not a POD
- One first;
- Two second;
-};
-
-#define STRING_PAIR(x) {COFF::x, #x}
-static const pod_pair<COFF::MachineTypes, const char *>
-MachineTypePairs [] = {
- STRING_PAIR(IMAGE_FILE_MACHINE_UNKNOWN),
- STRING_PAIR(IMAGE_FILE_MACHINE_AM33),
- STRING_PAIR(IMAGE_FILE_MACHINE_AMD64),
- STRING_PAIR(IMAGE_FILE_MACHINE_ARM),
- STRING_PAIR(IMAGE_FILE_MACHINE_ARMV7),
- STRING_PAIR(IMAGE_FILE_MACHINE_EBC),
- STRING_PAIR(IMAGE_FILE_MACHINE_I386),
- STRING_PAIR(IMAGE_FILE_MACHINE_IA64),
- STRING_PAIR(IMAGE_FILE_MACHINE_M32R),
- STRING_PAIR(IMAGE_FILE_MACHINE_MIPS16),
- STRING_PAIR(IMAGE_FILE_MACHINE_MIPSFPU),
- STRING_PAIR(IMAGE_FILE_MACHINE_MIPSFPU16),
- STRING_PAIR(IMAGE_FILE_MACHINE_POWERPC),
- STRING_PAIR(IMAGE_FILE_MACHINE_POWERPCFP),
- STRING_PAIR(IMAGE_FILE_MACHINE_R4000),
- STRING_PAIR(IMAGE_FILE_MACHINE_SH3),
- STRING_PAIR(IMAGE_FILE_MACHINE_SH3DSP),
- STRING_PAIR(IMAGE_FILE_MACHINE_SH4),
- STRING_PAIR(IMAGE_FILE_MACHINE_SH5),
- STRING_PAIR(IMAGE_FILE_MACHINE_THUMB),
- STRING_PAIR(IMAGE_FILE_MACHINE_WCEMIPSV2)
-};
-
-static const pod_pair<COFF::SectionCharacteristics, const char *>
-SectionCharacteristicsPairs1 [] = {
- STRING_PAIR(IMAGE_SCN_TYPE_NO_PAD),
- STRING_PAIR(IMAGE_SCN_CNT_CODE),
- STRING_PAIR(IMAGE_SCN_CNT_INITIALIZED_DATA),
- STRING_PAIR(IMAGE_SCN_CNT_UNINITIALIZED_DATA),
- STRING_PAIR(IMAGE_SCN_LNK_OTHER),
- STRING_PAIR(IMAGE_SCN_LNK_INFO),
- STRING_PAIR(IMAGE_SCN_LNK_REMOVE),
- STRING_PAIR(IMAGE_SCN_LNK_COMDAT),
- STRING_PAIR(IMAGE_SCN_GPREL),
- STRING_PAIR(IMAGE_SCN_MEM_PURGEABLE),
- STRING_PAIR(IMAGE_SCN_MEM_16BIT),
- STRING_PAIR(IMAGE_SCN_MEM_LOCKED),
- STRING_PAIR(IMAGE_SCN_MEM_PRELOAD)
-};
+namespace {
-static const pod_pair<COFF::SectionCharacteristics, const char *>
-SectionCharacteristicsPairsAlignment [] = {
- STRING_PAIR(IMAGE_SCN_ALIGN_1BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_2BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_4BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_8BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_16BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_32BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_64BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_128BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_256BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_512BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_1024BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_2048BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_4096BYTES),
- STRING_PAIR(IMAGE_SCN_ALIGN_8192BYTES)
-};
-
-static const pod_pair<COFF::SectionCharacteristics, const char *>
-SectionCharacteristicsPairs2 [] = {
- STRING_PAIR(IMAGE_SCN_LNK_NRELOC_OVFL),
- STRING_PAIR(IMAGE_SCN_MEM_DISCARDABLE),
- STRING_PAIR(IMAGE_SCN_MEM_NOT_CACHED),
- STRING_PAIR(IMAGE_SCN_MEM_NOT_PAGED),
- STRING_PAIR(IMAGE_SCN_MEM_SHARED),
- STRING_PAIR(IMAGE_SCN_MEM_EXECUTE),
- STRING_PAIR(IMAGE_SCN_MEM_READ),
- STRING_PAIR(IMAGE_SCN_MEM_WRITE)
-};
-
-static const pod_pair<COFF::SymbolBaseType, const char *>
-SymbolBaseTypePairs [] = {
- STRING_PAIR(IMAGE_SYM_TYPE_NULL),
- STRING_PAIR(IMAGE_SYM_TYPE_VOID),
- STRING_PAIR(IMAGE_SYM_TYPE_CHAR),
- STRING_PAIR(IMAGE_SYM_TYPE_SHORT),
- STRING_PAIR(IMAGE_SYM_TYPE_INT),
- STRING_PAIR(IMAGE_SYM_TYPE_LONG),
- STRING_PAIR(IMAGE_SYM_TYPE_FLOAT),
- STRING_PAIR(IMAGE_SYM_TYPE_DOUBLE),
- STRING_PAIR(IMAGE_SYM_TYPE_STRUCT),
- STRING_PAIR(IMAGE_SYM_TYPE_UNION),
- STRING_PAIR(IMAGE_SYM_TYPE_ENUM),
- STRING_PAIR(IMAGE_SYM_TYPE_MOE),
- STRING_PAIR(IMAGE_SYM_TYPE_BYTE),
- STRING_PAIR(IMAGE_SYM_TYPE_WORD),
- STRING_PAIR(IMAGE_SYM_TYPE_UINT),
- STRING_PAIR(IMAGE_SYM_TYPE_DWORD)
-};
+class COFFDumper {
+ const object::COFFObjectFile &Obj;
+ COFFYAML::Object YAMLObj;
+ void dumpHeader(const object::coff_file_header *Header);
+ void dumpSections(unsigned numSections);
+ void dumpSymbols(unsigned numSymbols);
+ StringRef getHexString(ArrayRef<uint8_t> Data);
+ std::vector<std::string> Strings;
-static const pod_pair<COFF::SymbolComplexType, const char *>
-SymbolComplexTypePairs [] = {
- STRING_PAIR(IMAGE_SYM_DTYPE_NULL),
- STRING_PAIR(IMAGE_SYM_DTYPE_POINTER),
- STRING_PAIR(IMAGE_SYM_DTYPE_FUNCTION),
- STRING_PAIR(IMAGE_SYM_DTYPE_ARRAY),
+public:
+ COFFDumper(const object::COFFObjectFile &Obj);
+ COFFYAML::Object &getYAMLObj();
};
-static const pod_pair<COFF::SymbolStorageClass, const char *>
-SymbolStorageClassPairs [] = {
- STRING_PAIR(IMAGE_SYM_CLASS_END_OF_FUNCTION),
- STRING_PAIR(IMAGE_SYM_CLASS_NULL),
- STRING_PAIR(IMAGE_SYM_CLASS_AUTOMATIC),
- STRING_PAIR(IMAGE_SYM_CLASS_EXTERNAL),
- STRING_PAIR(IMAGE_SYM_CLASS_STATIC),
- STRING_PAIR(IMAGE_SYM_CLASS_REGISTER),
- STRING_PAIR(IMAGE_SYM_CLASS_EXTERNAL_DEF),
- STRING_PAIR(IMAGE_SYM_CLASS_LABEL),
- STRING_PAIR(IMAGE_SYM_CLASS_UNDEFINED_LABEL),
- STRING_PAIR(IMAGE_SYM_CLASS_MEMBER_OF_STRUCT),
- STRING_PAIR(IMAGE_SYM_CLASS_ARGUMENT),
- STRING_PAIR(IMAGE_SYM_CLASS_STRUCT_TAG),
- STRING_PAIR(IMAGE_SYM_CLASS_MEMBER_OF_UNION),
- STRING_PAIR(IMAGE_SYM_CLASS_UNION_TAG),
- STRING_PAIR(IMAGE_SYM_CLASS_TYPE_DEFINITION),
- STRING_PAIR(IMAGE_SYM_CLASS_UNDEFINED_STATIC),
- STRING_PAIR(IMAGE_SYM_CLASS_ENUM_TAG),
- STRING_PAIR(IMAGE_SYM_CLASS_MEMBER_OF_ENUM),
- STRING_PAIR(IMAGE_SYM_CLASS_REGISTER_PARAM),
- STRING_PAIR(IMAGE_SYM_CLASS_BIT_FIELD),
- STRING_PAIR(IMAGE_SYM_CLASS_BLOCK),
- STRING_PAIR(IMAGE_SYM_CLASS_FUNCTION),
- STRING_PAIR(IMAGE_SYM_CLASS_END_OF_STRUCT),
- STRING_PAIR(IMAGE_SYM_CLASS_FILE),
- STRING_PAIR(IMAGE_SYM_CLASS_SECTION),
- STRING_PAIR(IMAGE_SYM_CLASS_WEAK_EXTERNAL),
- STRING_PAIR(IMAGE_SYM_CLASS_CLR_TOKEN),
-};
-
-static const pod_pair<COFF::RelocationTypeX86, const char *>
-RelocationTypeX86Pairs [] = {
- STRING_PAIR(IMAGE_REL_I386_ABSOLUTE),
- STRING_PAIR(IMAGE_REL_I386_DIR16),
- STRING_PAIR(IMAGE_REL_I386_REL16),
- STRING_PAIR(IMAGE_REL_I386_DIR32),
- STRING_PAIR(IMAGE_REL_I386_DIR32NB),
- STRING_PAIR(IMAGE_REL_I386_SEG12),
- STRING_PAIR(IMAGE_REL_I386_SECTION),
- STRING_PAIR(IMAGE_REL_I386_SECREL),
- STRING_PAIR(IMAGE_REL_I386_TOKEN),
- STRING_PAIR(IMAGE_REL_I386_SECREL7),
- STRING_PAIR(IMAGE_REL_I386_REL32),
- STRING_PAIR(IMAGE_REL_AMD64_ABSOLUTE),
- STRING_PAIR(IMAGE_REL_AMD64_ADDR64),
- STRING_PAIR(IMAGE_REL_AMD64_ADDR32),
- STRING_PAIR(IMAGE_REL_AMD64_ADDR32NB),
- STRING_PAIR(IMAGE_REL_AMD64_REL32),
- STRING_PAIR(IMAGE_REL_AMD64_REL32_1),
- STRING_PAIR(IMAGE_REL_AMD64_REL32_2),
- STRING_PAIR(IMAGE_REL_AMD64_REL32_3),
- STRING_PAIR(IMAGE_REL_AMD64_REL32_4),
- STRING_PAIR(IMAGE_REL_AMD64_REL32_5),
- STRING_PAIR(IMAGE_REL_AMD64_SECTION),
- STRING_PAIR(IMAGE_REL_AMD64_SECREL),
- STRING_PAIR(IMAGE_REL_AMD64_SECREL7),
- STRING_PAIR(IMAGE_REL_AMD64_TOKEN),
- STRING_PAIR(IMAGE_REL_AMD64_SREL32),
- STRING_PAIR(IMAGE_REL_AMD64_PAIR),
- STRING_PAIR(IMAGE_REL_AMD64_SSPAN32)
-};
-
-static const pod_pair<COFF::RelocationTypesARM, const char *>
-RelocationTypesARMPairs [] = {
- STRING_PAIR(IMAGE_REL_ARM_ABSOLUTE),
- STRING_PAIR(IMAGE_REL_ARM_ADDR32),
- STRING_PAIR(IMAGE_REL_ARM_ADDR32NB),
- STRING_PAIR(IMAGE_REL_ARM_BRANCH24),
- STRING_PAIR(IMAGE_REL_ARM_BRANCH11),
- STRING_PAIR(IMAGE_REL_ARM_TOKEN),
- STRING_PAIR(IMAGE_REL_ARM_BLX24),
- STRING_PAIR(IMAGE_REL_ARM_BLX11),
- STRING_PAIR(IMAGE_REL_ARM_SECTION),
- STRING_PAIR(IMAGE_REL_ARM_SECREL),
- STRING_PAIR(IMAGE_REL_ARM_MOV32A),
- STRING_PAIR(IMAGE_REL_ARM_MOV32T),
- STRING_PAIR(IMAGE_REL_ARM_BRANCH20T),
- STRING_PAIR(IMAGE_REL_ARM_BRANCH24T),
- STRING_PAIR(IMAGE_REL_ARM_BLX23T)
-};
-#undef STRING_PAIR
-
-static raw_ostream &writeName(raw_ostream &Out,
- const char *Name, std::size_t NameSize) {
- for (std::size_t i = 0; i < NameSize; ++i) {
- if (!Name[i]) break;
- Out << Name[i];
- }
- return Out;
}
-// Given an array of pod_pair<enum, const char *>, write all enums that match
-template <typename T, std::size_t N>
-static raw_ostream &writeBitMask(raw_ostream &Out,
- const pod_pair<T, const char *> (&Arr)[N],
- unsigned long Val) {
- for (std::size_t i = 0; i < N; ++i)
- if (Val & Arr[i].first)
- Out << Arr[i].second << ", ";
- return Out;
+static void check(error_code ec) {
+ if (ec)
+ report_fatal_error(ec.message());
}
-// Given an array of pod_pair<enum, const char *>, look up a value
-template <typename T, std::size_t N>
-const char *nameLookup(const pod_pair<T, const char *> (&Arr)[N],
- unsigned long Val, const char *NotFound = NULL) {
- T n = static_cast<T>(Val);
- for (std::size_t i = 0; i < N; ++i)
- if (n == Arr[i].first)
- return Arr[i].second;
- return NotFound;
+COFFDumper::COFFDumper(const object::COFFObjectFile &Obj) : Obj(Obj) {
+ const object::coff_file_header *Header;
+ check(Obj.getHeader(Header));
+ dumpHeader(Header);
+ dumpSections(Header->NumberOfSections);
+ dumpSymbols(Header->NumberOfSymbols);
}
-static void yamlCOFFHeader(const object::coff_file_header *Header,
- raw_ostream &Out) {
- Out << "header: !Header\n";
- Out << " Machine: ";
- Out << nameLookup(MachineTypePairs, Header->Machine, "# Unknown_MachineTypes")
- << " # (";
- objyaml::writeHexNumber(Out, Header->Machine) << ")\n\n";
+void COFFDumper::dumpHeader(const object::coff_file_header *Header) {
+ YAMLObj.Header.Machine = Header->Machine;
+ YAMLObj.Header.Characteristics = Header->Characteristics;
}
-
-static void yamlCOFFSections(object::COFFObjectFile &Obj,
- std::size_t NumSections, raw_ostream &Out) {
+void COFFDumper::dumpSections(unsigned NumSections) {
+ std::vector<COFFYAML::Section> &Sections = YAMLObj.Sections;
error_code ec;
- Out << "sections:\n";
for (object::section_iterator iter = Obj.begin_sections();
iter != Obj.end_sections(); iter.increment(ec)) {
- const object::coff_section *sect = Obj.getCOFFSection(iter);
-
- Out << " - !Section\n";
- Out << " Name: ";
- writeName(Out, sect->Name, sizeof(sect->Name)) << '\n';
-
- Out << " Characteristics: [";
- writeBitMask(Out, SectionCharacteristicsPairs1, sect->Characteristics);
- Out << nameLookup(SectionCharacteristicsPairsAlignment,
- sect->Characteristics & 0x00F00000, "# Unrecognized_IMAGE_SCN_ALIGN")
- << ", ";
- writeBitMask(Out, SectionCharacteristicsPairs2, sect->Characteristics);
- Out << "] # ";
- objyaml::writeHexNumber(Out, sect->Characteristics) << '\n';
+ check(ec);
+ const object::coff_section *Sect = Obj.getCOFFSection(iter);
+ COFFYAML::Section Sec;
+ Sec.Name = Sect->Name; // FIXME: check the null termination!
+ uint32_t Characteristics = Sect->Characteristics;
+ Sec.Header.Characteristics = Characteristics;
+ Sec.Alignment = 1 << (((Characteristics >> 20) & 0xf) - 1);
ArrayRef<uint8_t> sectionData;
- Obj.getSectionContents(sect, sectionData);
- Out << " SectionData: ";
- objyaml::writeHexStream(Out, sectionData) << '\n';
- if (iter->begin_relocations() != iter->end_relocations())
- Out << " Relocations:\n";
+ Obj.getSectionContents(Sect, sectionData);
+ Sec.SectionData = getHexString(sectionData);
+
+ std::vector<COFF::relocation> Relocations;
for (object::relocation_iterator rIter = iter->begin_relocations();
rIter != iter->end_relocations(); rIter.increment(ec)) {
const object::coff_relocation *reloc = Obj.getCOFFRelocation(rIter);
-
- Out << " - !Relocation\n";
- Out << " VirtualAddress: " ;
- objyaml::writeHexNumber(Out, reloc->VirtualAddress) << '\n';
- Out << " SymbolTableIndex: " << reloc->SymbolTableIndex << '\n';
- Out << " Type: "
- << nameLookup(RelocationTypeX86Pairs, reloc->Type) << '\n';
- // TODO: Use the correct reloc type for the machine.
- Out << '\n';
- }
-
+ COFF::relocation Rel;
+ Rel.VirtualAddress = reloc->VirtualAddress;
+ Rel.SymbolTableIndex = reloc->SymbolTableIndex;
+ Rel.Type = reloc->Type;
+ Relocations.push_back(Rel);
+ }
+ Sec.Relocations = Relocations;
+ Sections.push_back(Sec);
}
}
-static void yamlCOFFSymbols(object::COFFObjectFile &Obj, std::size_t NumSymbols,
- raw_ostream &Out) {
+void COFFDumper::dumpSymbols(unsigned NumSymbols) {
error_code ec;
- Out << "symbols:\n";
+ std::vector<COFFYAML::Symbol> &Symbols = YAMLObj.Symbols;
for (object::symbol_iterator iter = Obj.begin_symbols();
iter != Obj.end_symbols(); iter.increment(ec)) {
- // Gather all the info that we need
- StringRef str;
- const object::coff_symbol *symbol = Obj.getCOFFSymbol(iter);
- Obj.getSymbolName(symbol, str);
- std::size_t simpleType = symbol->getBaseType();
- std::size_t complexType = symbol->getComplexType();
- std::size_t storageClass = symbol->StorageClass;
-
- Out << " - !Symbol\n";
- Out << " Name: " << str << '\n';
-
- Out << " Value: " << symbol->Value << '\n';
- Out << " SectionNumber: " << symbol->SectionNumber << '\n';
-
- Out << " SimpleType: "
- << nameLookup(SymbolBaseTypePairs, simpleType,
- "# Unknown_SymbolBaseType")
- << " # (" << simpleType << ")\n";
-
- Out << " ComplexType: "
- << nameLookup(SymbolComplexTypePairs, complexType,
- "# Unknown_SymbolComplexType")
- << " # (" << complexType << ")\n";
-
- Out << " StorageClass: "
- << nameLookup(SymbolStorageClassPairs, storageClass,
- "# Unknown_StorageClass")
- << " # (" << (int) storageClass << ")\n";
-
- if (symbol->NumberOfAuxSymbols > 0) {
- ArrayRef<uint8_t> aux = Obj.getSymbolAuxData(symbol);
- Out << " NumberOfAuxSymbols: "
- << (int) symbol->NumberOfAuxSymbols << '\n';
- Out << " AuxillaryData: ";
- objyaml::writeHexStream(Out, aux);
- }
+ check(ec);
+ const object::coff_symbol *Symbol = Obj.getCOFFSymbol(iter);
+ COFFYAML::Symbol Sym;
+ Obj.getSymbolName(Symbol, Sym.Name);
+ Sym.SimpleType = COFF::SymbolBaseType(Symbol->getBaseType());
+ Sym.ComplexType = COFF::SymbolComplexType(Symbol->getComplexType());
+ Sym.Header.StorageClass = Symbol->StorageClass;
+ Sym.Header.Value = Symbol->Value;
+ Sym.Header.SectionNumber = Symbol->SectionNumber;
+ Sym.Header.NumberOfAuxSymbols = Symbol->NumberOfAuxSymbols;
+ Sym.AuxiliaryData = getHexString(Obj.getSymbolAuxData(Symbol));
+ Symbols.push_back(Sym);
+ }
+}
- Out << '\n';
+StringRef COFFDumper::getHexString(ArrayRef<uint8_t> Data) {
+ std::string S;
+ for (ArrayRef<uint8_t>::iterator I = Data.begin(), E = Data.end(); I != E;
+ ++I) {
+ uint8_t Byte = *I;
+ S.push_back(hexdigit(Byte >> 4));
+ S.push_back(hexdigit(Byte & 0xf));
}
+ Strings.push_back(S);
+ return Strings.back();
}
+COFFYAML::Object &COFFDumper::getYAMLObj() {
+ return YAMLObj;
+}
-error_code coff2yaml(raw_ostream &Out, MemoryBuffer *TheObj) {
+error_code coff2yaml(raw_ostream &Out, MemoryBuffer *Buff) {
error_code ec;
- object::COFFObjectFile obj(TheObj, ec);
- if (ec)
- return ec;
-
- const object::coff_file_header *hd;
- ec = obj.getHeader(hd);
- if (ec)
- return ec;
+ object::COFFObjectFile Obj(Buff, ec);
+ check(ec);
+ COFFDumper Dumper(Obj);
- yamlCOFFHeader(hd, Out);
- yamlCOFFSections(obj, hd->NumberOfSections, Out);
- yamlCOFFSymbols(obj, hd->NumberOfSymbols, Out);
+ yaml::Output Yout(Out);
+ Yout << Dumper.getYAMLObj();
- return ec;
+ return object::object_error::success;
}
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