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-rw-r--r--tools/obj2yaml/coff2yaml.cpp161
1 files changed, 108 insertions, 53 deletions
diff --git a/tools/obj2yaml/coff2yaml.cpp b/tools/obj2yaml/coff2yaml.cpp
index fed4533..5baa644 100644
--- a/tools/obj2yaml/coff2yaml.cpp
+++ b/tools/obj2yaml/coff2yaml.cpp
@@ -20,7 +20,9 @@ namespace {
class COFFDumper {
const object::COFFObjectFile &Obj;
COFFYAML::Object YAMLObj;
- void dumpHeader(const object::coff_file_header *Header);
+ template <typename T>
+ void dumpOptionalHeader(T OptionalHeader);
+ void dumpHeader();
void dumpSections(unsigned numSections);
void dumpSymbols(unsigned numSymbols);
@@ -31,40 +33,90 @@ public:
}
-static void check(std::error_code ec) {
- if (ec)
- report_fatal_error(ec.message());
+COFFDumper::COFFDumper(const object::COFFObjectFile &Obj) : Obj(Obj) {
+ const object::pe32_header *PE32Header = nullptr;
+ Obj.getPE32Header(PE32Header);
+ if (PE32Header) {
+ dumpOptionalHeader(PE32Header);
+ } else {
+ const object::pe32plus_header *PE32PlusHeader = nullptr;
+ Obj.getPE32PlusHeader(PE32PlusHeader);
+ if (PE32PlusHeader) {
+ dumpOptionalHeader(PE32PlusHeader);
+ }
+ }
+ dumpHeader();
+ dumpSections(Obj.getNumberOfSections());
+ dumpSymbols(Obj.getNumberOfSymbols());
}
-COFFDumper::COFFDumper(const object::COFFObjectFile &Obj) : Obj(Obj) {
- const object::coff_file_header *Header;
- check(Obj.getCOFFHeader(Header));
- dumpHeader(Header);
- dumpSections(Header->NumberOfSections);
- dumpSymbols(Header->NumberOfSymbols);
+template <typename T> void COFFDumper::dumpOptionalHeader(T OptionalHeader) {
+ YAMLObj.OptionalHeader = COFFYAML::PEHeader();
+ YAMLObj.OptionalHeader->Header.AddressOfEntryPoint =
+ OptionalHeader->AddressOfEntryPoint;
+ YAMLObj.OptionalHeader->Header.AddressOfEntryPoint =
+ OptionalHeader->AddressOfEntryPoint;
+ YAMLObj.OptionalHeader->Header.ImageBase = OptionalHeader->ImageBase;
+ YAMLObj.OptionalHeader->Header.SectionAlignment =
+ OptionalHeader->SectionAlignment;
+ YAMLObj.OptionalHeader->Header.FileAlignment = OptionalHeader->FileAlignment;
+ YAMLObj.OptionalHeader->Header.MajorOperatingSystemVersion =
+ OptionalHeader->MajorOperatingSystemVersion;
+ YAMLObj.OptionalHeader->Header.MinorOperatingSystemVersion =
+ OptionalHeader->MinorOperatingSystemVersion;
+ YAMLObj.OptionalHeader->Header.MajorImageVersion =
+ OptionalHeader->MajorImageVersion;
+ YAMLObj.OptionalHeader->Header.MinorImageVersion =
+ OptionalHeader->MinorImageVersion;
+ YAMLObj.OptionalHeader->Header.MajorSubsystemVersion =
+ OptionalHeader->MajorSubsystemVersion;
+ YAMLObj.OptionalHeader->Header.MinorSubsystemVersion =
+ OptionalHeader->MinorSubsystemVersion;
+ YAMLObj.OptionalHeader->Header.Subsystem = OptionalHeader->Subsystem;
+ YAMLObj.OptionalHeader->Header.DLLCharacteristics =
+ OptionalHeader->DLLCharacteristics;
+ YAMLObj.OptionalHeader->Header.SizeOfStackReserve =
+ OptionalHeader->SizeOfStackReserve;
+ YAMLObj.OptionalHeader->Header.SizeOfStackCommit =
+ OptionalHeader->SizeOfStackCommit;
+ YAMLObj.OptionalHeader->Header.SizeOfHeapReserve =
+ OptionalHeader->SizeOfHeapReserve;
+ YAMLObj.OptionalHeader->Header.SizeOfHeapCommit =
+ OptionalHeader->SizeOfHeapCommit;
+ unsigned I = 0;
+ for (auto &DestDD : YAMLObj.OptionalHeader->DataDirectories) {
+ const object::data_directory *DD;
+ if (Obj.getDataDirectory(I++, DD))
+ continue;
+ DestDD = COFF::DataDirectory();
+ DestDD->RelativeVirtualAddress = DD->RelativeVirtualAddress;
+ DestDD->Size = DD->Size;
+ }
}
-void COFFDumper::dumpHeader(const object::coff_file_header *Header) {
- YAMLObj.Header.Machine = Header->Machine;
- YAMLObj.Header.Characteristics = Header->Characteristics;
+void COFFDumper::dumpHeader() {
+ YAMLObj.Header.Machine = Obj.getMachine();
+ YAMLObj.Header.Characteristics = Obj.getCharacteristics();
}
void COFFDumper::dumpSections(unsigned NumSections) {
- std::vector<COFFYAML::Section> &Sections = YAMLObj.Sections;
- for (const auto &Section : Obj.sections()) {
- const object::coff_section *Sect = Obj.getCOFFSection(Section);
- 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);
+ std::vector<COFFYAML::Section> &YAMLSections = YAMLObj.Sections;
+ for (const auto &ObjSection : Obj.sections()) {
+ const object::coff_section *COFFSection = Obj.getCOFFSection(ObjSection);
+ COFFYAML::Section NewYAMLSection;
+ ObjSection.getName(NewYAMLSection.Name);
+ NewYAMLSection.Header.Characteristics = COFFSection->Characteristics;
+ NewYAMLSection.Header.VirtualAddress = ObjSection.getAddress();
+ NewYAMLSection.Header.VirtualSize = COFFSection->VirtualSize;
+ NewYAMLSection.Alignment = ObjSection.getAlignment();
ArrayRef<uint8_t> sectionData;
- Obj.getSectionContents(Sect, sectionData);
- Sec.SectionData = yaml::BinaryRef(sectionData);
+ if (!ObjSection.isBSS())
+ Obj.getSectionContents(COFFSection, sectionData);
+ NewYAMLSection.SectionData = yaml::BinaryRef(sectionData);
std::vector<COFFYAML::Relocation> Relocations;
- for (const auto &Reloc : Section.relocations()) {
+ for (const auto &Reloc : ObjSection.relocations()) {
const object::coff_relocation *reloc = Obj.getCOFFRelocation(Reloc);
COFFYAML::Relocation Rel;
object::symbol_iterator Sym = Reloc.getSymbol();
@@ -73,8 +125,8 @@ void COFFDumper::dumpSections(unsigned NumSections) {
Rel.Type = reloc->Type;
Relocations.push_back(Rel);
}
- Sec.Relocations = Relocations;
- Sections.push_back(Sec);
+ NewYAMLSection.Relocations = Relocations;
+ YAMLSections.push_back(NewYAMLSection);
}
}
@@ -111,13 +163,15 @@ static void dumpWeakExternal(COFFYAML::Symbol *Sym,
static void
dumpSectionDefinition(COFFYAML::Symbol *Sym,
- const object::coff_aux_section_definition *ObjSD) {
+ const object::coff_aux_section_definition *ObjSD,
+ bool IsBigObj) {
COFF::AuxiliarySectionDefinition YAMLASD;
+ int32_t AuxNumber = ObjSD->getNumber(IsBigObj);
YAMLASD.Length = ObjSD->Length;
YAMLASD.NumberOfRelocations = ObjSD->NumberOfRelocations;
YAMLASD.NumberOfLinenumbers = ObjSD->NumberOfLinenumbers;
YAMLASD.CheckSum = ObjSD->CheckSum;
- YAMLASD.Number = ObjSD->Number;
+ YAMLASD.Number = AuxNumber;
YAMLASD.Selection = ObjSD->Selection;
Sym->SectionDefinition = YAMLASD;
@@ -136,63 +190,64 @@ dumpCLRTokenDefinition(COFFYAML::Symbol *Sym,
void COFFDumper::dumpSymbols(unsigned NumSymbols) {
std::vector<COFFYAML::Symbol> &Symbols = YAMLObj.Symbols;
for (const auto &S : Obj.symbols()) {
- const object::coff_symbol *Symbol = Obj.getCOFFSymbol(S);
+ object::COFFSymbolRef Symbol = Obj.getCOFFSymbol(S);
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;
-
- if (Symbol->NumberOfAuxSymbols > 0) {
+ Sym.SimpleType = COFF::SymbolBaseType(Symbol.getBaseType());
+ Sym.ComplexType = COFF::SymbolComplexType(Symbol.getComplexType());
+ Sym.Header.StorageClass = Symbol.getStorageClass();
+ Sym.Header.Value = Symbol.getValue();
+ Sym.Header.SectionNumber = Symbol.getSectionNumber();
+ Sym.Header.NumberOfAuxSymbols = Symbol.getNumberOfAuxSymbols();
+
+ if (Symbol.getNumberOfAuxSymbols() > 0) {
ArrayRef<uint8_t> AuxData = Obj.getSymbolAuxData(Symbol);
- if (Symbol->isFunctionDefinition()) {
+ if (Symbol.isFunctionDefinition()) {
// This symbol represents a function definition.
- assert(Symbol->NumberOfAuxSymbols == 1 &&
+ assert(Symbol.getNumberOfAuxSymbols() == 1 &&
"Expected a single aux symbol to describe this function!");
const object::coff_aux_function_definition *ObjFD =
reinterpret_cast<const object::coff_aux_function_definition *>(
AuxData.data());
dumpFunctionDefinition(&Sym, ObjFD);
- } else if (Symbol->isFunctionLineInfo()) {
+ } else if (Symbol.isFunctionLineInfo()) {
// This symbol describes function line number information.
- assert(Symbol->NumberOfAuxSymbols == 1 &&
- "Exepected a single aux symbol to describe this section!");
+ assert(Symbol.getNumberOfAuxSymbols() == 1 &&
+ "Expected a single aux symbol to describe this function!");
const object::coff_aux_bf_and_ef_symbol *ObjBES =
reinterpret_cast<const object::coff_aux_bf_and_ef_symbol *>(
AuxData.data());
dumpbfAndEfLineInfo(&Sym, ObjBES);
- } else if (Symbol->isWeakExternal()) {
+ } else if (Symbol.isAnyUndefined()) {
// This symbol represents a weak external definition.
- assert(Symbol->NumberOfAuxSymbols == 1 &&
- "Exepected a single aux symbol to describe this section!");
+ assert(Symbol.getNumberOfAuxSymbols() == 1 &&
+ "Expected a single aux symbol to describe this weak symbol!");
const object::coff_aux_weak_external *ObjWE =
reinterpret_cast<const object::coff_aux_weak_external *>(
AuxData.data());
dumpWeakExternal(&Sym, ObjWE);
- } else if (Symbol->isFileRecord()) {
+ } else if (Symbol.isFileRecord()) {
// This symbol represents a file record.
Sym.File = StringRef(reinterpret_cast<const char *>(AuxData.data()),
- Symbol->NumberOfAuxSymbols * COFF::SymbolSize)
+ Symbol.getNumberOfAuxSymbols() *
+ Obj.getSymbolTableEntrySize())
.rtrim(StringRef("\0", /*length=*/1));
- } else if (Symbol->isSectionDefinition()) {
+ } else if (Symbol.isSectionDefinition()) {
// This symbol represents a section definition.
- assert(Symbol->NumberOfAuxSymbols == 1 &&
+ assert(Symbol.getNumberOfAuxSymbols() == 1 &&
"Expected a single aux symbol to describe this section!");
const object::coff_aux_section_definition *ObjSD =
reinterpret_cast<const object::coff_aux_section_definition *>(
AuxData.data());
- dumpSectionDefinition(&Sym, ObjSD);
- } else if (Symbol->isCLRToken()) {
+ dumpSectionDefinition(&Sym, ObjSD, Symbol.isBigObj());
+ } else if (Symbol.isCLRToken()) {
// This symbol represents a CLR token definition.
- assert(Symbol->NumberOfAuxSymbols == 1 &&
- "Expected a single aux symbol to describe this CLR Token");
+ assert(Symbol.getNumberOfAuxSymbols() == 1 &&
+ "Expected a single aux symbol to describe this CLR Token!");
const object::coff_aux_clr_token *ObjCLRToken =
reinterpret_cast<const object::coff_aux_clr_token *>(
generated by cgit v1.1 at 2024-12-22 15:01:16 +0000