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path: root/tools/llvm-readobj/COFFDumper.cpp
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-rw-r--r--tools/llvm-readobj/COFFDumper.cpp407
1 files changed, 318 insertions, 89 deletions
diff --git a/tools/llvm-readobj/COFFDumper.cpp b/tools/llvm-readobj/COFFDumper.cpp
index 7842cd4..5276428 100644
--- a/tools/llvm-readobj/COFFDumper.cpp
+++ b/tools/llvm-readobj/COFFDumper.cpp
@@ -20,6 +20,7 @@
#include "Win64EHDumper.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/Object/COFF.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/COFF.h"
@@ -49,35 +50,49 @@ public:
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;
+ void printCOFFBaseReloc() override;
private:
void printSymbol(const SymbolRef &Sym);
void printRelocation(const SectionRef &Section, const RelocationRef &Reloc);
void printDataDirectory(uint32_t Index, const std::string &FieldName);
+ void printDOSHeader(const dos_header *DH);
template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
void printBaseOfDataField(const pe32_header *Hdr);
void printBaseOfDataField(const pe32plus_header *Hdr);
void printCodeViewLineTables(const SectionRef &Section);
+ void printCodeViewSymbolsSubsection(StringRef Subsection,
+ const SectionRef &Section,
+ uint32_t Offset);
+
void cacheRelocations();
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(iterator_range<imported_symbol_iterator> Range);
+ void printDelayImportedSymbols(
+ const DelayImportDirectoryEntryRef &I,
+ iterator_range<imported_symbol_iterator> Range);
typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
const llvm::object::COFFObjectFile *Obj;
RelocMapTy RelocMap;
+ StringRef CVFileIndexToStringOffsetTable;
+ StringRef CVStringTable;
};
} // namespace
@@ -313,9 +328,10 @@ WeakExternalCharacteristics[] = {
template <typename T>
static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
- const coff_symbol *Symbol,
- const T *&Aux) {
+ 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;
}
@@ -342,25 +358,20 @@ void COFFDumper::printDataDirectory(uint32_t Index, const std::string &FieldName
}
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));
}
@@ -377,6 +388,30 @@ void COFFDumper::printFileHeaders() {
return;
if (PEPlusHeader)
printPEHeader<pe32plus_header>(PEPlusHeader);
+
+ if (const dos_header *DH = Obj->getDOSHeader())
+ printDOSHeader(DH);
+}
+
+void COFFDumper::printDOSHeader(const dos_header *DH) {
+ DictScope D(W, "DOSHeader");
+ W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic)));
+ W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage);
+ W.printNumber("FileSizeInPages", DH->FileSizeInPages);
+ W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems);
+ W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs);
+ W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs);
+ W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs);
+ W.printNumber("InitialRelativeSS", DH->InitialRelativeSS);
+ W.printNumber("InitialSP", DH->InitialSP);
+ W.printNumber("Checksum", DH->Checksum);
+ W.printNumber("InitialIP", DH->InitialIP);
+ W.printNumber("InitialRelativeCS", DH->InitialRelativeCS);
+ W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable);
+ W.printNumber("OverlayNumber", DH->OverlayNumber);
+ W.printNumber("OEMid", DH->OEMid);
+ W.printNumber("OEMinfo", DH->OEMinfo);
+ W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader);
}
template <class PEHeader>
@@ -404,7 +439,7 @@ void COFFDumper::printPEHeader(const PEHeader *Hdr) {
W.printNumber("SizeOfImage", Hdr->SizeOfImage);
W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
- W.printFlags ("Subsystem", Hdr->DLLCharacteristics,
+ W.printFlags ("Characteristics", Hdr->DLLCharacteristics,
makeArrayRef(PEDLLCharacteristics));
W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve);
W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit);
@@ -440,11 +475,10 @@ void COFFDumper::printCodeViewLineTables(const SectionRef &Section) {
SmallVector<StringRef, 10> FunctionNames;
StringMap<StringRef> FunctionLineTables;
- StringRef FileIndexToStringOffsetTable;
- StringRef StringTable;
ListScope D(W, "CodeViewLineTables");
{
+ // FIXME: Add more offset correctness checks.
DataExtractor DE(Data, true, 4);
uint32_t Offset = 0,
Magic = DE.getU32(&Offset);
@@ -474,6 +508,9 @@ void COFFDumper::printCodeViewLineTables(const SectionRef &Section) {
W.printBinaryBlock("Contents", Contents);
switch (SubSectionType) {
+ case COFF::DEBUG_SYMBOL_SUBSECTION:
+ printCodeViewSymbolsSubsection(Contents, Section, Offset);
+ break;
case COFF::DEBUG_LINE_TABLE_SUBSECTION: {
// Holds a PC to file:line table. Some data to parse this subsection is
// stored in the other subsections, so just check sanity and store the
@@ -502,25 +539,25 @@ void COFFDumper::printCodeViewLineTables(const SectionRef &Section) {
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;
@@ -555,7 +592,7 @@ void COFFDumper::printCodeViewLineTables(const SectionRef &Section) {
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);
@@ -564,15 +601,15 @@ void COFFDumper::printCodeViewLineTables(const SectionRef &Section) {
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);
@@ -593,6 +630,80 @@ void COFFDumper::printCodeViewLineTables(const SectionRef &Section) {
}
}
+void COFFDumper::printCodeViewSymbolsSubsection(StringRef Subsection,
+ const SectionRef &Section,
+ uint32_t OffsetInSection) {
+ if (Subsection.size() == 0) {
+ error(object_error::parse_failed);
+ return;
+ }
+ DataExtractor DE(Subsection, true, 4);
+ uint32_t Offset = 0;
+
+ // Function-level subsections have "procedure start" and "procedure end"
+ // commands that should come in pairs and surround relevant info.
+ bool InFunctionScope = false;
+ while (DE.isValidOffset(Offset)) {
+ // Read subsection segments one by one.
+ uint16_t Size = DE.getU16(&Offset);
+ // The section size includes the size of the type identifier.
+ if (Size < 2 || !DE.isValidOffsetForDataOfSize(Offset, Size)) {
+ error(object_error::parse_failed);
+ return;
+ }
+ Size -= 2;
+ uint16_t Type = DE.getU16(&Offset);
+ switch (Type) {
+ case COFF::DEBUG_SYMBOL_TYPE_PROC_START: {
+ DictScope S(W, "ProcStart");
+ if (InFunctionScope || Size < 36) {
+ error(object_error::parse_failed);
+ return;
+ }
+ InFunctionScope = true;
+
+ // We're currently interested in a limited subset of fields in this
+ // segment, just ignore the rest of the fields for now.
+ uint8_t Unused[12];
+ DE.getU8(&Offset, Unused, 12);
+ uint32_t CodeSize = DE.getU32(&Offset);
+ DE.getU8(&Offset, Unused, 12);
+ StringRef SectionName;
+ if (error(resolveSymbolName(Obj->getCOFFSection(Section),
+ OffsetInSection + Offset, SectionName)))
+ return;
+ Offset += 4;
+ DE.getU8(&Offset, Unused, 3);
+ StringRef DisplayName = DE.getCStr(&Offset);
+ if (!DE.isValidOffset(Offset)) {
+ error(object_error::parse_failed);
+ return;
+ }
+ W.printString("DisplayName", DisplayName);
+ W.printString("Section", SectionName);
+ W.printHex("CodeSize", CodeSize);
+
+ break;
+ }
+ case COFF::DEBUG_SYMBOL_TYPE_PROC_END: {
+ W.startLine() << "ProcEnd\n";
+ if (!InFunctionScope || Size > 0) {
+ error(object_error::parse_failed);
+ return;
+ }
+ InFunctionScope = false;
+ break;
+ }
+ default:
+ Offset += Size;
+ break;
+ }
+ }
+
+ if (InFunctionScope)
+ error(object_error::parse_failed);
+}
+
void COFFDumper::printSections() {
ListScope SectionsD(W, "Sections");
int SectionNumber = 0;
@@ -628,8 +739,7 @@ void COFFDumper::printSections() {
if (opts::SectionSymbols) {
ListScope D(W, "Symbols");
for (const SymbolRef &Symbol : Obj->symbols()) {
- bool Contained = false;
- if (Sec.containsSymbol(Symbol, Contained) || !Contained)
+ if (!Sec.containsSymbol(Symbol))
continue;
printSymbol(Symbol);
@@ -639,7 +749,8 @@ void COFFDumper::printSections() {
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;
@@ -683,7 +794,6 @@ void COFFDumper::printRelocation(const SectionRef &Section,
uint64_t RelocType;
SmallString<32> RelocName;
StringRef SymbolName;
- StringRef Contents;
if (error(Reloc.getOffset(Offset)))
return;
if (error(Reloc.getType(RelocType)))
@@ -691,21 +801,19 @@ void COFFDumper::printRelocation(const SectionRef &Section,
if (error(Reloc.getTypeName(RelocName)))
return;
symbol_iterator Symbol = Reloc.getSymbol();
- if (error(Symbol->getName(SymbolName)))
- return;
- if (error(Section.getContents(Contents)))
+ if (Symbol != Obj->symbol_end() && error(Symbol->getName(SymbolName)))
return;
if (opts::ExpandRelocs) {
DictScope Group(W, "Relocation");
W.printHex("Offset", Offset);
W.printNumber("Type", RelocName, RelocType);
- W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
+ W.printString("Symbol", SymbolName.empty() ? "-" : SymbolName);
} else {
raw_ostream& OS = W.startLine();
OS << W.hex(Offset)
<< " " << RelocName
- << " " << (SymbolName.size() > 0 ? SymbolName : "-")
+ << " " << (SymbolName.empty() ? "-" : SymbolName)
<< "\n";
}
}
@@ -719,12 +827,30 @@ void COFFDumper::printSymbols() {
void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); }
+static ErrorOr<StringRef>
+getSectionName(const llvm::object::COFFObjectFile *Obj, int32_t SectionNumber,
+ const coff_section *Section) {
+ if (Section) {
+ StringRef SectionName;
+ if (std::error_code EC = Obj->getSectionName(Section, SectionName))
+ return EC;
+ return SectionName;
+ }
+ if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
+ return StringRef("IMAGE_SYM_DEBUG");
+ if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE)
+ return StringRef("IMAGE_SYM_ABSOLUTE");
+ if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED)
+ return StringRef("IMAGE_SYM_UNDEFINED");
+ return StringRef("");
+}
+
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 (std::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;
@@ -735,23 +861,25 @@ void COFFDumper::printSymbol(const SymbolRef &Sym) {
SymbolName = "";
StringRef SectionName = "";
- if (Section)
- Obj->getSectionName(Section, SectionName);
+ ErrorOr<StringRef> Res =
+ getSectionName(Obj, Symbol.getSectionNumber(), Section);
+ if (Res)
+ SectionName = *Res;
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");
@@ -759,18 +887,16 @@ void COFFDumper::printSymbol(const SymbolRef &Sym) {
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.isAnyUndefined()) {
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;
- std::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);
}
@@ -779,56 +905,60 @@ void COFFDumper::printSymbol(const SymbolRef &Sym) {
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;
- std::error_code EC;
- if ((EC = Obj->getSection(Aux->Number, Assoc)) ||
- (EC = Obj->getSectionName(Assoc, AssocName))) {
+ StringRef AssocName = "";
+ std::error_code EC = Obj->getSection(AuxNumber, Assoc);
+ ErrorOr<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc);
+ if (Res)
+ AssocName = *Res;
+ if (!EC)
+ EC = Res.getError();
+ if (EC) {
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;
- std::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);
}
@@ -837,7 +967,6 @@ void COFFDumper::printSymbol(const SymbolRef &Sym) {
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";
@@ -846,12 +975,8 @@ void COFFDumper::printSymbol(const SymbolRef &Sym) {
}
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
@@ -870,9 +995,113 @@ void COFFDumper::printUnwindInfo() {
break;
}
default:
- W.printEnum("unsupported Image Machine", Header->Machine,
+ W.printEnum("unsupported Image Machine", Obj->getMachine(),
makeArrayRef(ImageFileMachineType));
break;
}
}
+void COFFDumper::printImportedSymbols(
+ iterator_range<imported_symbol_iterator> Range) {
+ for (const ImportedSymbolRef &I : Range) {
+ StringRef Sym;
+ if (error(I.getSymbolName(Sym))) return;
+ uint16_t Ordinal;
+ if (error(I.getOrdinal(Ordinal))) return;
+ W.printNumber("Symbol", Sym, Ordinal);
+ }
+}
+
+void COFFDumper::printDelayImportedSymbols(
+ const DelayImportDirectoryEntryRef &I,
+ iterator_range<imported_symbol_iterator> Range) {
+ int Index = 0;
+ for (const ImportedSymbolRef &S : Range) {
+ DictScope Import(W, "Import");
+ StringRef Sym;
+ if (error(S.getSymbolName(Sym))) return;
+ uint16_t Ordinal;
+ if (error(S.getOrdinal(Ordinal))) return;
+ W.printNumber("Symbol", Sym, Ordinal);
+ uint64_t Addr;
+ if (error(I.getImportAddress(Index++, Addr))) return;
+ W.printHex("Address", Addr);
+ }
+}
+
+void COFFDumper::printCOFFImports() {
+ // Regular imports
+ for (const ImportDirectoryEntryRef &I : Obj->import_directories()) {
+ 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_symbols());
+ }
+
+ // Delay imports
+ for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) {
+ 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);
+ printDelayImportedSymbols(I, I.imported_symbols());
+ }
+}
+
+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);
+ }
+}
+
+static StringRef getBaseRelocTypeName(uint8_t Type) {
+ switch (Type) {
+ case COFF::IMAGE_REL_BASED_ABSOLUTE: return "ABSOLUTE";
+ case COFF::IMAGE_REL_BASED_HIGH: return "HIGH";
+ case COFF::IMAGE_REL_BASED_LOW: return "LOW";
+ case COFF::IMAGE_REL_BASED_HIGHLOW: return "HIGHLOW";
+ case COFF::IMAGE_REL_BASED_HIGHADJ: return "HIGHADJ";
+ case COFF::IMAGE_REL_BASED_DIR64: return "DIR64";
+ default: return "unknown (" + llvm::utostr(Type) + ")";
+ }
+}
+
+void COFFDumper::printCOFFBaseReloc() {
+ ListScope D(W, "BaseReloc");
+ for (const BaseRelocRef &I : Obj->base_relocs()) {
+ uint8_t Type;
+ uint32_t RVA;
+ if (error(I.getRVA(RVA)))
+ continue;
+ if (error(I.getType(Type)))
+ continue;
+ DictScope Import(W, "Entry");
+ W.printString("Type", getBaseRelocTypeName(Type));
+ W.printHex("Address", RVA);
+ }
+}
generated by cgit v1.1 at 2024-05-16 07:37:29 +0000