//===----------------------------------------------------------------------===//
#include "llvm-readobj.h"
+#include "ARMWinEHPrinter.h"
#include "Error.h"
#include "ObjDumper.h"
#include "StreamWriter.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/Win64EH.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/system_error.h"
#include <algorithm>
#include <cstring>
+#include <system_error>
#include <time.h>
using namespace llvm;
cacheRelocations();
}
- virtual void printFileHeaders() override;
- virtual void printSections() override;
- virtual void printRelocations() override;
- virtual void printSymbols() override;
- virtual void printDynamicSymbols() override;
- virtual void printUnwindInfo() override;
+ void printFileHeaders() override;
+ void printSections() override;
+ void printRelocations() override;
+ void printSymbols() override;
+ void printDynamicSymbols() override;
+ void printUnwindInfo() override;
+ void printCOFFImports() override;
+ void printCOFFDirectives() override;
private:
void printSymbol(const SymbolRef &Sym);
void cacheRelocations();
- error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
- SymbolRef &Sym);
- error_code resolveSymbolName(const coff_section *Section, uint64_t Offset,
- StringRef &Name);
+ std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
+ SymbolRef &Sym);
+ std::error_code resolveSymbolName(const coff_section *Section,
+ uint64_t Offset, StringRef &Name);
+
+ void printImportedSymbols(imported_symbol_iterator I,
+ imported_symbol_iterator E);
typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
const llvm::object::COFFObjectFile *Obj;
RelocMapTy RelocMap;
+ StringRef CVFileIndexToStringOffsetTable;
+ StringRef CVStringTable;
};
} // namespace
namespace llvm {
-error_code createCOFFDumper(const object::ObjectFile *Obj, StreamWriter &Writer,
- std::unique_ptr<ObjDumper> &Result) {
+std::error_code createCOFFDumper(const object::ObjectFile *Obj,
+ StreamWriter &Writer,
+ std::unique_ptr<ObjDumper> &Result) {
const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
if (!COFFObj)
return readobj_error::unsupported_obj_file_format;
// Given a a section and an offset into this section the function returns the
// symbol used for the relocation at the offset.
-error_code COFFDumper::resolveSymbol(const coff_section *Section,
- uint64_t Offset, SymbolRef &Sym) {
+std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
+ uint64_t Offset, SymbolRef &Sym) {
const auto &Relocations = RelocMap[Section];
for (const auto &Relocation : Relocations) {
uint64_t RelocationOffset;
- if (error_code EC = Relocation.getOffset(RelocationOffset))
+ if (std::error_code EC = Relocation.getOffset(RelocationOffset))
return EC;
if (RelocationOffset == Offset) {
// Given a section and an offset into this section the function returns the name
// of the symbol used for the relocation at the offset.
-error_code COFFDumper::resolveSymbolName(const coff_section *Section,
- uint64_t Offset, StringRef &Name) {
+std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
+ uint64_t Offset,
+ StringRef &Name) {
SymbolRef Symbol;
- if (error_code EC = resolveSymbol(Section, Offset, Symbol))
+ if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
return EC;
- if (error_code EC = Symbol.getName(Name))
+ if (std::error_code EC = Symbol.getName(Name))
return EC;
return object_error::success;
}
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ),
+ LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ),
+ LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
};
{ "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
};
-template<typename T>
-static error_code getSymbolAuxData(const COFFObjectFile *Obj,
- const coff_symbol *Symbol, const T* &Aux) {
+template <typename T>
+static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
+ COFFSymbolRef Symbol,
+ uint8_t AuxSymbolIdx, const T *&Aux) {
ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
+ AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize());
Aux = reinterpret_cast<const T*>(AuxData.data());
return readobj_error::success;
}
}
void COFFDumper::printFileHeaders() {
- // Print COFF header
- const coff_file_header *COFFHeader = nullptr;
- if (error(Obj->getCOFFHeader(COFFHeader)))
- return;
-
- time_t TDS = COFFHeader->TimeDateStamp;
+ time_t TDS = Obj->getTimeDateStamp();
char FormattedTime[20] = { };
strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
{
DictScope D(W, "ImageFileHeader");
- W.printEnum ("Machine", COFFHeader->Machine,
+ W.printEnum ("Machine", Obj->getMachine(),
makeArrayRef(ImageFileMachineType));
- W.printNumber("SectionCount", COFFHeader->NumberOfSections);
- W.printHex ("TimeDateStamp", FormattedTime, COFFHeader->TimeDateStamp);
- W.printHex ("PointerToSymbolTable", COFFHeader->PointerToSymbolTable);
- W.printNumber("SymbolCount", COFFHeader->NumberOfSymbols);
- W.printNumber("OptionalHeaderSize", COFFHeader->SizeOfOptionalHeader);
- W.printFlags ("Characteristics", COFFHeader->Characteristics,
+ W.printNumber("SectionCount", Obj->getNumberOfSections());
+ W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp());
+ W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable());
+ W.printNumber("SymbolCount", Obj->getNumberOfSymbols());
+ W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader());
+ W.printFlags ("Characteristics", Obj->getCharacteristics(),
makeArrayRef(ImageFileCharacteristics));
}
SmallVector<StringRef, 10> FunctionNames;
StringMap<StringRef> FunctionLineTables;
- StringRef FileIndexToStringOffsetTable;
- StringRef StringTable;
ListScope D(W, "CodeViewLineTables");
{
break;
}
case COFF::DEBUG_STRING_TABLE_SUBSECTION:
- if (PayloadSize == 0 || StringTable.data() != nullptr ||
+ if (PayloadSize == 0 || CVStringTable.data() != nullptr ||
Contents.back() != '\0') {
// Empty or duplicate or non-null-terminated subsection.
error(object_error::parse_failed);
return;
}
- StringTable = Contents;
+ CVStringTable = Contents;
break;
case COFF::DEBUG_INDEX_SUBSECTION:
// Holds the translation table from file indices
// to offsets in the string table.
if (PayloadSize == 0 ||
- FileIndexToStringOffsetTable.data() != nullptr) {
+ CVFileIndexToStringOffsetTable.data() != nullptr) {
// Empty or duplicate subsection.
error(object_error::parse_failed);
return;
}
- FileIndexToStringOffsetTable = Contents;
+ CVFileIndexToStringOffsetTable = Contents;
break;
}
Offset += PayloadSize;
uint32_t FilenameOffset;
{
- DataExtractor SDE(FileIndexToStringOffsetTable, true, 4);
+ DataExtractor SDE(CVFileIndexToStringOffsetTable, true, 4);
uint32_t OffsetInSDE = OffsetInIndex;
if (!SDE.isValidOffset(OffsetInSDE)) {
error(object_error::parse_failed);
FilenameOffset = SDE.getU32(&OffsetInSDE);
}
- if (FilenameOffset == 0 || FilenameOffset + 1 >= StringTable.size() ||
- StringTable.data()[FilenameOffset - 1] != '\0') {
+ if (FilenameOffset == 0 || FilenameOffset + 1 >= CVStringTable.size() ||
+ CVStringTable.data()[FilenameOffset - 1] != '\0') {
// Each string in an F3 subsection should be preceded by a null
// character.
error(object_error::parse_failed);
return;
}
- StringRef Filename(StringTable.data() + FilenameOffset);
+ StringRef Filename(CVStringTable.data() + FilenameOffset);
ListScope S(W, "FilenameSegment");
W.printString("Filename", Filename);
for (unsigned J = 0; J != SegmentLength && DE.isValidOffset(Offset);
if (Name == ".debug$S" && opts::CodeViewLineTables)
printCodeViewLineTables(Sec);
- if (opts::SectionData) {
+ if (opts::SectionData &&
+ !(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) {
StringRef Data;
if (error(Sec.getContents(Data)))
break;
void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); }
+static StringRef getSectionName(const llvm::object::COFFObjectFile *Obj,
+ COFFSymbolRef Symbol,
+ const coff_section *Section) {
+ if (Section) {
+ StringRef SectionName;
+ Obj->getSectionName(Section, SectionName);
+ return SectionName;
+ }
+ int32_t SectionNumber = Symbol.getSectionNumber();
+ if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
+ return "IMAGE_SYM_DEBUG";
+ if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE)
+ return "IMAGE_SYM_ABSOLUTE";
+ if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED)
+ return "IMAGE_SYM_UNDEFINED";
+ return "";
+}
+
void COFFDumper::printSymbol(const SymbolRef &Sym) {
DictScope D(W, "Symbol");
- const coff_symbol *Symbol = Obj->getCOFFSymbol(Sym);
+ COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym);
const coff_section *Section;
- if (error_code EC = Obj->getSection(Symbol->SectionNumber, Section)) {
+ if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) {
W.startLine() << "Invalid section number: " << EC.message() << "\n";
W.flush();
return;
if (Obj->getSymbolName(Symbol, SymbolName))
SymbolName = "";
- StringRef SectionName = "";
- if (Section)
- Obj->getSectionName(Section, SectionName);
+ StringRef SectionName = getSectionName(Obj, Symbol, Section);
W.printString("Name", SymbolName);
- W.printNumber("Value", Symbol->Value);
- W.printNumber("Section", SectionName, Symbol->SectionNumber);
- W.printEnum ("BaseType", Symbol->getBaseType(), makeArrayRef(ImageSymType));
- W.printEnum ("ComplexType", Symbol->getComplexType(),
+ W.printNumber("Value", Symbol.getValue());
+ W.printNumber("Section", SectionName, Symbol.getSectionNumber());
+ W.printEnum ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType));
+ W.printEnum ("ComplexType", Symbol.getComplexType(),
makeArrayRef(ImageSymDType));
- W.printEnum ("StorageClass", Symbol->StorageClass,
+ W.printEnum ("StorageClass", Symbol.getStorageClass(),
makeArrayRef(ImageSymClass));
- W.printNumber("AuxSymbolCount", Symbol->NumberOfAuxSymbols);
+ W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols());
- for (unsigned I = 0; I < Symbol->NumberOfAuxSymbols; ++I) {
- if (Symbol->isFunctionDefinition()) {
+ for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) {
+ if (Symbol.isFunctionDefinition()) {
const coff_aux_function_definition *Aux;
- if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+ if (error(getSymbolAuxData(Obj, Symbol, I, Aux)))
break;
DictScope AS(W, "AuxFunctionDef");
W.printNumber("TotalSize", Aux->TotalSize);
W.printHex("PointerToLineNumber", Aux->PointerToLinenumber);
W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);
- W.printBinary("Unused", makeArrayRef(Aux->Unused));
- } else if (Symbol->isWeakExternal()) {
+ } else if (Symbol.isWeakExternal()) {
const coff_aux_weak_external *Aux;
- if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+ if (error(getSymbolAuxData(Obj, Symbol, I, Aux)))
break;
- const coff_symbol *Linked;
+ ErrorOr<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
StringRef LinkedName;
- error_code EC;
- if ((EC = Obj->getSymbol(Aux->TagIndex, Linked)) ||
- (EC = Obj->getSymbolName(Linked, LinkedName))) {
+ std::error_code EC = Linked.getError();
+ if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) {
LinkedName = "";
error(EC);
}
W.printNumber("Linked", LinkedName, Aux->TagIndex);
W.printEnum ("Search", Aux->Characteristics,
makeArrayRef(WeakExternalCharacteristics));
- W.printBinary("Unused", makeArrayRef(Aux->Unused));
- } else if (Symbol->isFileRecord()) {
- const coff_aux_file *Aux;
- if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+ } else if (Symbol.isFileRecord()) {
+ const char *FileName;
+ if (error(getSymbolAuxData(Obj, Symbol, I, FileName)))
break;
DictScope AS(W, "AuxFileRecord");
- StringRef Name(Aux->FileName,
- Symbol->NumberOfAuxSymbols * COFF::SymbolSize);
+ StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() *
+ Obj->getSymbolTableEntrySize());
W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
break;
- } else if (Symbol->isSectionDefinition()) {
+ } else if (Symbol.isSectionDefinition()) {
const coff_aux_section_definition *Aux;
- if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+ if (error(getSymbolAuxData(Obj, Symbol, I, Aux)))
break;
+ int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj());
+
DictScope AS(W, "AuxSectionDef");
W.printNumber("Length", Aux->Length);
W.printNumber("RelocationCount", Aux->NumberOfRelocations);
W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
W.printHex("Checksum", Aux->CheckSum);
- W.printNumber("Number", Aux->Number);
+ W.printNumber("Number", AuxNumber);
W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));
- W.printBinary("Unused", makeArrayRef(Aux->Unused));
if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
&& Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
const coff_section *Assoc;
StringRef AssocName;
- error_code EC;
- if ((EC = Obj->getSection(Aux->Number, Assoc)) ||
+ std::error_code EC;
+ if ((EC = Obj->getSection(AuxNumber, Assoc)) ||
(EC = Obj->getSectionName(Assoc, AssocName))) {
AssocName = "";
error(EC);
}
- W.printNumber("AssocSection", AssocName, Aux->Number);
+ W.printNumber("AssocSection", AssocName, AuxNumber);
}
- } else if (Symbol->isCLRToken()) {
+ } else if (Symbol.isCLRToken()) {
const coff_aux_clr_token *Aux;
- if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+ if (error(getSymbolAuxData(Obj, Symbol, I, Aux)))
break;
- const coff_symbol *ReferredSym;
+ ErrorOr<COFFSymbolRef> ReferredSym =
+ Obj->getSymbol(Aux->SymbolTableIndex);
StringRef ReferredName;
- error_code EC;
- if ((EC = Obj->getSymbol(Aux->SymbolTableIndex, ReferredSym)) ||
- (EC = Obj->getSymbolName(ReferredSym, ReferredName))) {
+ std::error_code EC = ReferredSym.getError();
+ if (EC || (EC = Obj->getSymbolName(*ReferredSym, ReferredName))) {
ReferredName = "";
error(EC);
}
W.printNumber("AuxType", Aux->AuxType);
W.printNumber("Reserved", Aux->Reserved);
W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex);
- W.printBinary("Unused", makeArrayRef(Aux->Unused));
} else {
W.startLine() << "<unhandled auxiliary record>\n";
}
void COFFDumper::printUnwindInfo() {
- const coff_file_header *Header;
- if (error(Obj->getCOFFHeader(Header)))
- return;
-
ListScope D(W, "UnwindInformation");
- switch (Header->Machine) {
+ switch (Obj->getMachine()) {
case COFF::IMAGE_FILE_MACHINE_AMD64: {
Win64EH::Dumper Dumper(W);
- Win64EH::Dumper::SymbolResolver Resolver =
- [this](const object::coff_section *Section, uint64_t Offset,
- SymbolRef &Symbol) -> error_code {
- return this->resolveSymbol(Section, Offset, Symbol);
- };
- Win64EH::Dumper::Context Ctx(*Obj, Resolver);
+ Win64EH::Dumper::SymbolResolver
+ Resolver = [](const object::coff_section *Section, uint64_t Offset,
+ SymbolRef &Symbol, void *user_data) -> std::error_code {
+ COFFDumper *Dumper = reinterpret_cast<COFFDumper *>(user_data);
+ return Dumper->resolveSymbol(Section, Offset, Symbol);
+ };
+ Win64EH::Dumper::Context Ctx(*Obj, Resolver, this);
Dumper.printData(Ctx);
break;
}
+ case COFF::IMAGE_FILE_MACHINE_ARMNT: {
+ ARM::WinEH::Decoder Decoder(W);
+ Decoder.dumpProcedureData(*Obj);
+ break;
+ }
default:
- W.printEnum("unsupported Image Machine", Header->Machine,
+ W.printEnum("unsupported Image Machine", Obj->getMachine(),
makeArrayRef(ImageFileMachineType));
break;
}
}
+void COFFDumper::printImportedSymbols(imported_symbol_iterator I,
+ imported_symbol_iterator E) {
+ for (; I != E; ++I) {
+ StringRef Sym;
+ if (error(I->getSymbolName(Sym))) return;
+ uint16_t Ordinal;
+ if (error(I->getOrdinal(Ordinal))) return;
+ W.printNumber("Symbol", Sym, Ordinal);
+ }
+}
+
+void COFFDumper::printCOFFImports() {
+ // Regular imports
+ for (auto I = Obj->import_directory_begin(), E = Obj->import_directory_end();
+ I != E; ++I) {
+ DictScope Import(W, "Import");
+ StringRef Name;
+ if (error(I->getName(Name))) return;
+ W.printString("Name", Name);
+ uint32_t Addr;
+ if (error(I->getImportLookupTableRVA(Addr))) return;
+ W.printHex("ImportLookupTableRVA", Addr);
+ if (error(I->getImportAddressTableRVA(Addr))) return;
+ W.printHex("ImportAddressTableRVA", Addr);
+ printImportedSymbols(I->imported_symbol_begin(), I->imported_symbol_end());
+ }
+
+ // Delay imports
+ for (auto I = Obj->delay_import_directory_begin(),
+ E = Obj->delay_import_directory_end();
+ I != E; ++I) {
+ DictScope Import(W, "DelayImport");
+ StringRef Name;
+ if (error(I->getName(Name))) return;
+ W.printString("Name", Name);
+ const delay_import_directory_table_entry *Table;
+ if (error(I->getDelayImportTable(Table))) return;
+ W.printHex("Attributes", Table->Attributes);
+ W.printHex("ModuleHandle", Table->ModuleHandle);
+ W.printHex("ImportAddressTable", Table->DelayImportAddressTable);
+ W.printHex("ImportNameTable", Table->DelayImportNameTable);
+ W.printHex("BoundDelayImportTable", Table->BoundDelayImportTable);
+ W.printHex("UnloadDelayImportTable", Table->UnloadDelayImportTable);
+ printImportedSymbols(I->imported_symbol_begin(), I->imported_symbol_end());
+ }
+}
+
+void COFFDumper::printCOFFDirectives() {
+ for (const SectionRef &Section : Obj->sections()) {
+ StringRef Contents;
+ StringRef Name;
+
+ if (error(Section.getName(Name)))
+ continue;
+ if (Name != ".drectve")
+ continue;
+
+ if (error(Section.getContents(Contents)))
+ return;
+
+ W.printString("Directive(s)", Contents);
+ }
+}
+
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