//===----------------------------------------------------------------------===//
#include "llvm-readobj.h"
+#include "ARMWinEHPrinter.h"
#include "Error.h"
#include "ObjDumper.h"
+#include "StackMapPrinter.h"
#include "StreamWriter.h"
+#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"
#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;
COFFDumper(const llvm::object::COFFObjectFile *Obj, StreamWriter& Writer)
: ObjDumper(Writer)
, Obj(Obj) {
- 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 printCOFFExports() override;
+ void printCOFFDirectives() override;
+ void printCOFFBaseReloc() override;
+ void printCodeViewDebugInfo() override;
+ void printStackMap() const 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 printX64UnwindInfo();
+ 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 printRuntimeFunction(
- const RuntimeFunction& RTF,
- uint64_t OffsetInSection,
- const std::vector<RelocationRef> &Rels);
-
- void printUnwindInfo(
- const Win64EH::UnwindInfo& UI,
- uint64_t OffsetInSection,
- const std::vector<RelocationRef> &Rels);
-
- void printUnwindCode(const Win64EH::UnwindInfo &UI, ArrayRef<UnwindCode> UCs);
+ void printCodeViewSection(const SectionRef &Section);
- void printCodeViewLineTables(const SectionRef &Section);
+ void printCodeViewSymbolsSubsection(StringRef Subsection,
+ const SectionRef &Section,
+ uint32_t Offset);
void cacheRelocations();
- error_code getSectionContents(
- const std::vector<RelocationRef> &Rels,
- uint64_t Offset,
- ArrayRef<uint8_t> &Contents,
- uint64_t &Addr);
-
- error_code getSection(
- const std::vector<RelocationRef> &Rels,
- uint64_t Offset,
- const coff_section **Section,
- uint64_t *AddrPtr);
+ 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;
+ bool RelocCached = false;
RelocMapTy RelocMap;
- std::vector<RelocationRef> EmptyRelocs;
+ 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;
} // namespace llvm
-
-// Returns the name of the unwind code.
-static StringRef getUnwindCodeTypeName(uint8_t Code) {
- switch(Code) {
- default: llvm_unreachable("Invalid unwind code");
- case UOP_PushNonVol: return "PUSH_NONVOL";
- case UOP_AllocLarge: return "ALLOC_LARGE";
- case UOP_AllocSmall: return "ALLOC_SMALL";
- case UOP_SetFPReg: return "SET_FPREG";
- case UOP_SaveNonVol: return "SAVE_NONVOL";
- case UOP_SaveNonVolBig: return "SAVE_NONVOL_FAR";
- case UOP_SaveXMM128: return "SAVE_XMM128";
- case UOP_SaveXMM128Big: return "SAVE_XMM128_FAR";
- case UOP_PushMachFrame: return "PUSH_MACHFRAME";
- }
-}
-
-// Returns the name of a referenced register.
-static StringRef getUnwindRegisterName(uint8_t Reg) {
- switch(Reg) {
- default: llvm_unreachable("Invalid register");
- case 0: return "RAX";
- case 1: return "RCX";
- case 2: return "RDX";
- case 3: return "RBX";
- case 4: return "RSP";
- case 5: return "RBP";
- case 6: return "RSI";
- case 7: return "RDI";
- case 8: return "R8";
- case 9: return "R9";
- case 10: return "R10";
- case 11: return "R11";
- case 12: return "R12";
- case 13: return "R13";
- case 14: return "R14";
- case 15: return "R15";
- }
-}
-
-// Calculates the number of array slots required for the unwind code.
-static unsigned getNumUsedSlots(const UnwindCode &UnwindCode) {
- switch (UnwindCode.getUnwindOp()) {
- default: llvm_unreachable("Invalid unwind code");
- case UOP_PushNonVol:
- case UOP_AllocSmall:
- case UOP_SetFPReg:
- case UOP_PushMachFrame:
- return 1;
- case UOP_SaveNonVol:
- case UOP_SaveXMM128:
- return 2;
- case UOP_SaveNonVolBig:
- case UOP_SaveXMM128Big:
- return 3;
- case UOP_AllocLarge:
- return (UnwindCode.getOpInfo() == 0) ? 2 : 3;
- }
-}
-
-// Given a symbol sym this functions returns the address and section of it.
-static error_code resolveSectionAndAddress(const COFFObjectFile *Obj,
- const SymbolRef &Sym,
- const coff_section *&ResolvedSection,
- uint64_t &ResolvedAddr) {
- if (error_code EC = Sym.getAddress(ResolvedAddr))
- return EC;
-
- section_iterator iter(Obj->section_begin());
- if (error_code EC = Sym.getSection(iter))
- return EC;
-
- ResolvedSection = Obj->getCOFFSection(*iter);
- return object_error::success;
-}
-
-// Given a vector of relocations for a section and an offset into this section
-// the function returns the symbol used for the relocation at the offset.
-static error_code resolveSymbol(const std::vector<RelocationRef> &Rels,
- uint64_t Offset, SymbolRef &Sym) {
- for (std::vector<RelocationRef>::const_iterator RelI = Rels.begin(),
- RelE = Rels.end();
- RelI != RelE; ++RelI) {
- uint64_t Ofs;
- if (error_code EC = RelI->getOffset(Ofs))
- return EC;
-
- if (Ofs == Offset) {
- Sym = *RelI->getSymbol();
+// Given a a section and an offset into this section the function returns the
+// symbol used for the relocation at the offset.
+std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
+ uint64_t Offset, SymbolRef &Sym) {
+ cacheRelocations();
+ const auto &Relocations = RelocMap[Section];
+ for (const auto &Relocation : Relocations) {
+ uint64_t RelocationOffset = Relocation.getOffset();
+
+ if (RelocationOffset == Offset) {
+ Sym = *Relocation.getSymbol();
return readobj_error::success;
}
}
-
return readobj_error::unknown_symbol;
}
-// Given a vector of relocations for a section and an offset into this section
-// the function returns the name of the symbol used for the relocation at the
-// offset.
-static error_code resolveSymbolName(const std::vector<RelocationRef> &Rels,
- uint64_t Offset, StringRef &Name) {
- SymbolRef Sym;
- if (error_code EC = resolveSymbol(Rels, Offset, Sym)) return EC;
- if (error_code EC = Sym.getName(Name)) return EC;
- return object_error::success;
+// Given a section and an offset into this section the function returns the name
+// of the symbol used for the relocation at the offset.
+std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
+ uint64_t Offset,
+ StringRef &Name) {
+ SymbolRef Symbol;
+ if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
+ return EC;
+ ErrorOr<StringRef> NameOrErr = Symbol.getName();
+ if (std::error_code EC = NameOrErr.getError())
+ return EC;
+ Name = *NameOrErr;
+ return std::error_code();
}
static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
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),
};
static const EnumEntry<COFF::SectionCharacteristics>
ImageSectionCharacteristics[] = {
+ LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ),
{ "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
};
-static const EnumEntry<unsigned> UnwindFlags[] = {
- { "ExceptionHandler", Win64EH::UNW_ExceptionHandler },
- { "TerminateHandler", Win64EH::UNW_TerminateHandler },
- { "ChainInfo" , Win64EH::UNW_ChainInfo }
-};
-
-static const EnumEntry<unsigned> UnwindOpInfo[] = {
- { "RAX", 0 },
- { "RCX", 1 },
- { "RDX", 2 },
- { "RBX", 3 },
- { "RSP", 4 },
- { "RBP", 5 },
- { "RSI", 6 },
- { "RDI", 7 },
- { "R8", 8 },
- { "R9", 9 },
- { "R10", 10 },
- { "R11", 11 },
- { "R12", 12 },
- { "R13", 13 },
- { "R14", 14 },
- { "R15", 15 }
-};
-
-// Some additional COFF structures not defined by llvm::object.
-namespace {
- struct coff_aux_file_record {
- char FileName[18];
- };
-} // namespace
-
-static uint64_t getOffsetOfLSDA(const Win64EH::UnwindInfo& UI) {
- return static_cast<const char*>(UI.getLanguageSpecificData())
- - reinterpret_cast<const char*>(&UI);
-}
-
-static uint32_t getLargeSlotValue(ArrayRef<UnwindCode> UCs) {
- if (UCs.size() < 3)
- return 0;
-
- return UCs[1].FrameOffset + (static_cast<uint32_t>(UCs[2].FrameOffset) << 16);
-}
-
-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;
}
-static std::string formatSymbol(const std::vector<RelocationRef> &Rels,
- uint64_t Offset, uint32_t Disp) {
- std::string Buffer;
- raw_string_ostream Str(Buffer);
-
- StringRef Sym;
- if (resolveSymbolName(Rels, Offset, Sym)) {
- Str << format(" (0x%" PRIX64 ")", Offset);
- return Str.str();
- }
-
- Str << Sym;
- if (Disp > 0) {
- Str << format(" +0x%X (0x%" PRIX64 ")", Disp, Offset);
- } else {
- Str << format(" (0x%" PRIX64 ")", Offset);
- }
-
- return Str.str();
-}
-
-// Given a vector of relocations for a section and an offset into this section
-// the function resolves the symbol used for the relocation at the offset and
-// returns the section content and the address inside the content pointed to
-// by the symbol.
-error_code COFFDumper::getSectionContents(
- const std::vector<RelocationRef> &Rels, uint64_t Offset,
- ArrayRef<uint8_t> &Contents, uint64_t &Addr) {
-
- SymbolRef Sym;
- const coff_section *Section;
-
- if (error_code EC = resolveSymbol(Rels, Offset, Sym))
- return EC;
- if (error_code EC = resolveSectionAndAddress(Obj, Sym, Section, Addr))
- return EC;
- if (error_code EC = Obj->getSectionContents(Section, Contents))
- return EC;
-
- return object_error::success;
-}
-
-error_code COFFDumper::getSection(
- const std::vector<RelocationRef> &Rels, uint64_t Offset,
- const coff_section **SectionPtr, uint64_t *AddrPtr) {
-
- SymbolRef Sym;
- if (error_code EC = resolveSymbol(Rels, Offset, Sym))
- return EC;
-
- const coff_section *Section;
- uint64_t Addr;
- if (error_code EC = resolveSectionAndAddress(Obj, Sym, Section, Addr))
- return EC;
-
- if (SectionPtr)
- *SectionPtr = Section;
- if (AddrPtr)
- *AddrPtr = Addr;
-
- return object_error::success;
-}
-
void COFFDumper::cacheRelocations() {
+ if (RelocCached)
+ return;
+ RelocCached = true;
+
for (const SectionRef &S : Obj->sections()) {
const coff_section *Section = Obj->getCOFFSection(S);
}
void COFFDumper::printFileHeaders() {
- // Print COFF header
- const coff_file_header *COFFHeader = 0;
- 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));
}
// Print PE header. This header does not exist if this is an object file and
// not an executable.
- const pe32_header *PEHeader = 0;
- if (error(Obj->getPE32Header(PEHeader)))
- return;
+ const pe32_header *PEHeader = nullptr;
+ error(Obj->getPE32Header(PEHeader));
if (PEHeader)
printPEHeader<pe32_header>(PEHeader);
- const pe32plus_header *PEPlusHeader = 0;
- if (error(Obj->getPE32PlusHeader(PEPlusHeader)))
- return;
+ const pe32plus_header *PEPlusHeader = nullptr;
+ error(Obj->getPE32PlusHeader(PEPlusHeader));
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>
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);
void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
-void COFFDumper::printCodeViewLineTables(const SectionRef &Section) {
+void COFFDumper::printCodeViewDebugInfo() {
+ for (const SectionRef &S : Obj->sections()) {
+ StringRef SecName;
+ error(S.getName(SecName));
+ if (SecName == ".debug$S")
+ printCodeViewSection(S);
+ }
+}
+
+void COFFDumper::printCodeViewSection(const SectionRef &Section) {
StringRef Data;
- if (error(Section.getContents(Data)))
- return;
+ error(Section.getContents(Data));
SmallVector<StringRef, 10> FunctionNames;
StringMap<StringRef> FunctionLineTables;
- StringRef FileIndexToStringOffsetTable;
- StringRef StringTable;
- ListScope D(W, "CodeViewLineTables");
+ ListScope D(W, "CodeViewDebugInfo");
{
+ // FIXME: Add more offset correctness checks.
DataExtractor DE(Data, true, 4);
uint32_t Offset = 0,
Magic = DE.getU32(&Offset);
return;
}
- // Print the raw contents to simplify debugging if anything goes wrong
- // afterwards.
StringRef Contents = Data.substr(Offset, PayloadSize);
- W.printBinaryBlock("Contents", Contents);
+ if (opts::CodeViewSubsectionBytes) {
+ // Print the raw contents to simplify debugging if anything goes wrong
+ // afterwards.
+ 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
return;
}
- StringRef FunctionName;
- if (error(resolveSymbolName(RelocMap[Obj->getCOFFSection(Section)],
- Offset, FunctionName)))
- return;
- W.printString("FunctionName", FunctionName);
- if (FunctionLineTables.count(FunctionName) != 0) {
+ StringRef LinkageName;
+ error(resolveSymbolName(Obj->getCOFFSection(Section), Offset,
+ LinkageName));
+ W.printString("LinkageName", LinkageName);
+ if (FunctionLineTables.count(LinkageName) != 0) {
// Saw debug info for this function already?
error(object_error::parse_failed);
return;
}
- FunctionLineTables[FunctionName] = Contents;
- FunctionNames.push_back(FunctionName);
+ FunctionLineTables[LinkageName] = Contents;
+ FunctionNames.push_back(LinkageName);
break;
}
case COFF::DEBUG_STRING_TABLE_SUBSECTION:
- if (PayloadSize == 0 || StringTable.data() != 0 ||
+ 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() != 0) {
+ if (PayloadSize == 0 ||
+ CVFileIndexToStringOffsetTable.data() != nullptr) {
// Empty or duplicate subsection.
error(object_error::parse_failed);
return;
}
- FileIndexToStringOffsetTable = Contents;
+ CVFileIndexToStringOffsetTable = Contents;
break;
}
Offset += PayloadSize;
for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) {
StringRef Name = FunctionNames[I];
ListScope S(W, "FunctionLineTable");
- W.printString("FunctionName", Name);
+ W.printString("LinkageName", Name);
DataExtractor DE(FunctionLineTables[Name], true, 4);
- uint32_t Offset = 8; // Skip relocations.
+ uint32_t Offset = 6; // Skip relocations.
+ uint16_t Flags = DE.getU16(&Offset);
+ W.printHex("Flags", Flags);
+ bool HasColumnInformation =
+ Flags & COFF::DEBUG_LINE_TABLES_HAVE_COLUMN_RECORDS;
uint32_t FunctionSize = DE.getU32(&Offset);
W.printHex("CodeSize", FunctionSize);
while (DE.isValidOffset(Offset)) {
// in the line table. The filename string is accessed using double
// indirection to the string table subsection using the index subsection.
uint32_t OffsetInIndex = DE.getU32(&Offset),
- SegmentLength = DE.getU32(&Offset),
+ NumLines = DE.getU32(&Offset),
FullSegmentSize = DE.getU32(&Offset);
- if (FullSegmentSize != 12 + 8 * SegmentLength) {
+
+ uint32_t ColumnOffset = Offset + 8 * NumLines;
+ DataExtractor ColumnDE(DE.getData(), true, 4);
+
+ if (FullSegmentSize !=
+ 12 + 8 * NumLines + (HasColumnInformation ? 4 * NumLines : 0)) {
error(object_error::parse_failed);
return;
}
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);
- ++J) {
+ for (unsigned LineIdx = 0;
+ LineIdx != NumLines && DE.isValidOffset(Offset); ++LineIdx) {
// Then go the (PC, LineNumber) pairs. The line number is stored in the
// least significant 31 bits of the respective word in the table.
- uint32_t PC = DE.getU32(&Offset),
- LineNumber = DE.getU32(&Offset) & 0x7fffffff;
+ uint32_t PC = DE.getU32(&Offset), LineData = DE.getU32(&Offset);
if (PC >= FunctionSize) {
error(object_error::parse_failed);
return;
}
char Buffer[32];
format("+0x%X", PC).snprint(Buffer, 32);
- W.printNumber(Buffer, LineNumber);
+ ListScope PCScope(W, Buffer);
+ uint32_t LineNumberStart = LineData & COFF::CVL_MaxLineNumber;
+ uint32_t LineNumberEndDelta =
+ (LineData >> COFF::CVL_LineNumberStartBits) &
+ COFF::CVL_LineNumberEndDeltaMask;
+ bool IsStatement = LineData & COFF::CVL_IsStatement;
+ W.printNumber("LineNumberStart", LineNumberStart);
+ W.printNumber("LineNumberEndDelta", LineNumberEndDelta);
+ W.printBoolean("IsStatement", IsStatement);
+ if (HasColumnInformation &&
+ ColumnDE.isValidOffsetForDataOfSize(ColumnOffset, 4)) {
+ uint16_t ColStart = ColumnDE.getU16(&ColumnOffset);
+ W.printNumber("ColStart", ColStart);
+ uint16_t ColEnd = ColumnDE.getU16(&ColumnOffset);
+ W.printNumber("ColEnd", ColEnd);
+ }
+ }
+ // Skip over the column data.
+ if (HasColumnInformation) {
+ for (unsigned LineIdx = 0;
+ LineIdx != NumLines && DE.isValidOffset(Offset); ++LineIdx) {
+ DE.getU32(&Offset);
+ }
}
}
}
}
+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;
+ error(resolveSymbolName(Obj->getCOFFSection(Section),
+ OffsetInSection + Offset, SectionName));
+ 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: {
+ if (opts::CodeViewSubsectionBytes) {
+ ListScope S(W, "Record");
+ W.printHex("Size", Size);
+ W.printHex("Type", Type);
+
+ StringRef Contents = DE.getData().substr(Offset, Size);
+ W.printBinaryBlock("Contents", Contents);
+ }
+
+ Offset += Size;
+ break;
+ }
+ }
+ }
+
+ if (InFunctionScope)
+ error(object_error::parse_failed);
+}
+
void COFFDumper::printSections() {
ListScope SectionsD(W, "Sections");
int SectionNumber = 0;
const coff_section *Section = Obj->getCOFFSection(Sec);
StringRef Name;
- if (error(Sec.getName(Name)))
- Name = "";
+ error(Sec.getName(Name));
DictScope D(W, "Section");
W.printNumber("Number", SectionNumber);
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);
}
}
- 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;
+ error(Sec.getContents(Data));
W.printBinaryBlock("SectionData", Data);
}
for (const SectionRef &Section : Obj->sections()) {
++SectionNumber;
StringRef Name;
- if (error(Section.getName(Name)))
- continue;
+ error(Section.getName(Name));
bool PrintedGroup = false;
for (const RelocationRef &Reloc : Section.relocations()) {
void COFFDumper::printRelocation(const SectionRef &Section,
const RelocationRef &Reloc) {
- uint64_t Offset;
- uint64_t RelocType;
+ uint64_t Offset = Reloc.getOffset();
+ uint64_t RelocType = Reloc.getType();
SmallString<32> RelocName;
StringRef SymbolName;
- StringRef Contents;
- if (error(Reloc.getOffset(Offset)))
- return;
- if (error(Reloc.getType(RelocType)))
- return;
- if (error(Reloc.getTypeName(RelocName)))
- return;
+ Reloc.getTypeName(RelocName);
symbol_iterator Symbol = Reloc.getSymbol();
- if (error(Symbol->getName(SymbolName)))
- return;
- if (error(Section.getContents(Contents)))
- return;
+ if (Symbol != Obj->symbol_end()) {
+ ErrorOr<StringRef> SymbolNameOrErr = Symbol->getName();
+ error(SymbolNameOrErr.getError());
+ SymbolName = *SymbolNameOrErr;
+ }
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";
}
}
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 (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;
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)))
- break;
+ error(getSymbolAuxData(Obj, Symbol, I, Aux));
DictScope AS(W, "AuxFunctionDef");
W.printNumber("TagIndex", Aux->TagIndex);
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)))
- break;
+ error(getSymbolAuxData(Obj, Symbol, I, Aux));
- 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_record *Aux;
- if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
- break;
+ } else if (Symbol.isFileRecord()) {
+ const char *FileName;
+ error(getSymbolAuxData(Obj, Symbol, I, FileName));
DictScope AS(W, "AuxFileRecord");
- W.printString("FileName", StringRef(Aux->FileName));
- } else if (Symbol->isSectionDefinition()) {
+ StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() *
+ Obj->getSymbolTableEntrySize());
+ W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
+ break;
+ } else if (Symbol.isSectionDefinition()) {
const coff_aux_section_definition *Aux;
- if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
- break;
+ error(getSymbolAuxData(Obj, Symbol, I, Aux));
+
+ 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)) ||
- (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)))
- break;
+ error(getSymbolAuxData(Obj, Symbol, I, Aux));
- 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");
- if (Header->Machine != COFF::IMAGE_FILE_MACHINE_AMD64) {
- W.startLine() << "Unsupported image machine type "
- "(currently only AMD64 is supported).\n";
- return;
+ switch (Obj->getMachine()) {
+ case COFF::IMAGE_FILE_MACHINE_AMD64: {
+ Win64EH::Dumper Dumper(W);
+ 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", Obj->getMachine(),
+ makeArrayRef(ImageFileMachineType));
+ break;
+ }
+}
- printX64UnwindInfo();
+void COFFDumper::printImportedSymbols(
+ iterator_range<imported_symbol_iterator> Range) {
+ for (const ImportedSymbolRef &I : Range) {
+ StringRef Sym;
+ error(I.getSymbolName(Sym));
+ uint16_t Ordinal;
+ error(I.getOrdinal(Ordinal));
+ W.printNumber("Symbol", Sym, Ordinal);
+ }
}
-void COFFDumper::printX64UnwindInfo() {
- for (const SectionRef &Section : Obj->sections()) {
+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;
+ error(S.getSymbolName(Sym));
+ uint16_t Ordinal;
+ error(S.getOrdinal(Ordinal));
+ W.printNumber("Symbol", Sym, Ordinal);
+ uint64_t Addr;
+ error(I.getImportAddress(Index++, Addr));
+ W.printHex("Address", Addr);
+ }
+}
+
+void COFFDumper::printCOFFImports() {
+ // Regular imports
+ for (const ImportDirectoryEntryRef &I : Obj->import_directories()) {
+ DictScope Import(W, "Import");
StringRef Name;
- if (error(Section.getName(Name)))
- continue;
- if (Name != ".pdata" && !Name.startswith(".pdata$"))
- continue;
+ error(I.getName(Name));
+ W.printString("Name", Name);
+ uint32_t Addr;
+ error(I.getImportLookupTableRVA(Addr));
+ W.printHex("ImportLookupTableRVA", Addr);
+ error(I.getImportAddressTableRVA(Addr));
+ W.printHex("ImportAddressTableRVA", Addr);
+ printImportedSymbols(I.imported_symbols());
+ }
- const coff_section *PData = Obj->getCOFFSection(Section);
+ // Delay imports
+ for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) {
+ DictScope Import(W, "DelayImport");
+ StringRef Name;
+ error(I.getName(Name));
+ W.printString("Name", Name);
+ const delay_import_directory_table_entry *Table;
+ error(I.getDelayImportTable(Table));
+ 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());
+ }
+}
- ArrayRef<uint8_t> Contents;
- if (error(Obj->getSectionContents(PData, Contents)) || Contents.empty())
- continue;
+void COFFDumper::printCOFFExports() {
+ for (const ExportDirectoryEntryRef &E : Obj->export_directories()) {
+ DictScope Export(W, "Export");
- ArrayRef<RuntimeFunction> RFs(
- reinterpret_cast<const RuntimeFunction *>(Contents.data()),
- Contents.size() / sizeof(RuntimeFunction));
+ StringRef Name;
+ uint32_t Ordinal, RVA;
- for (const RuntimeFunction *I = RFs.begin(), *E = RFs.end(); I < E; ++I) {
- const uint64_t OffsetInSection = std::distance(RFs.begin(), I)
- * sizeof(RuntimeFunction);
+ error(E.getSymbolName(Name));
+ error(E.getOrdinal(Ordinal));
+ error(E.getExportRVA(RVA));
- printRuntimeFunction(*I, OffsetInSection, RelocMap[PData]);
- }
+ W.printNumber("Ordinal", Ordinal);
+ W.printString("Name", Name);
+ W.printHex("RVA", RVA);
}
}
-void COFFDumper::printRuntimeFunction(
- const RuntimeFunction& RTF,
- uint64_t OffsetInSection,
- const std::vector<RelocationRef> &Rels) {
-
- DictScope D(W, "RuntimeFunction");
- W.printString("StartAddress",
- formatSymbol(Rels, OffsetInSection + 0, RTF.StartAddress));
- W.printString("EndAddress",
- formatSymbol(Rels, OffsetInSection + 4, RTF.EndAddress));
- W.printString("UnwindInfoAddress",
- formatSymbol(Rels, OffsetInSection + 8, RTF.UnwindInfoOffset));
-
- const coff_section* XData = 0;
- uint64_t UnwindInfoOffset = 0;
- if (error(getSection(Rels, OffsetInSection + 8, &XData, &UnwindInfoOffset)))
- return;
-
- ArrayRef<uint8_t> XContents;
- if (error(Obj->getSectionContents(XData, XContents)) || XContents.empty())
- return;
+void COFFDumper::printCOFFDirectives() {
+ for (const SectionRef &Section : Obj->sections()) {
+ StringRef Contents;
+ StringRef Name;
- UnwindInfoOffset += RTF.UnwindInfoOffset;
- if (UnwindInfoOffset > XContents.size())
- return;
+ error(Section.getName(Name));
+ if (Name != ".drectve")
+ continue;
- const Win64EH::UnwindInfo *UI =
- reinterpret_cast<const Win64EH::UnwindInfo *>(
- XContents.data() + UnwindInfoOffset);
+ error(Section.getContents(Contents));
- printUnwindInfo(*UI, UnwindInfoOffset, RelocMap[XData]);
+ W.printString("Directive(s)", Contents);
+ }
}
-void COFFDumper::printUnwindInfo(
- const Win64EH::UnwindInfo& UI,
- uint64_t OffsetInSection,
- const std::vector<RelocationRef> &Rels) {
- DictScope D(W, "UnwindInfo");
- W.printNumber("Version", UI.getVersion());
- W.printFlags("Flags", UI.getFlags(), makeArrayRef(UnwindFlags));
- W.printNumber("PrologSize", UI.PrologSize);
- if (UI.getFrameRegister() != 0) {
- W.printEnum("FrameRegister", UI.getFrameRegister(),
- makeArrayRef(UnwindOpInfo));
- W.printHex("FrameOffset", UI.getFrameOffset());
- } else {
- W.printString("FrameRegister", StringRef("-"));
- W.printString("FrameOffset", StringRef("-"));
- }
-
- W.printNumber("UnwindCodeCount", UI.NumCodes);
- {
- ListScope CodesD(W, "UnwindCodes");
- ArrayRef<UnwindCode> UCs(&UI.UnwindCodes[0], UI.NumCodes);
- for (const UnwindCode *I = UCs.begin(), *E = UCs.end(); I < E; ++I) {
- unsigned UsedSlots = getNumUsedSlots(*I);
- if (UsedSlots > UCs.size()) {
- errs() << "Corrupt unwind data";
- return;
- }
- printUnwindCode(UI, ArrayRef<UnwindCode>(I, E));
- I += UsedSlots - 1;
- }
+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_ARM_MOV32T: return "ARM_MOV32(T)";
+ case COFF::IMAGE_REL_BASED_DIR64: return "DIR64";
+ default: return "unknown (" + llvm::utostr(Type) + ")";
}
+}
- uint64_t LSDAOffset = OffsetInSection + getOffsetOfLSDA(UI);
- if (UI.getFlags() & (UNW_ExceptionHandler | UNW_TerminateHandler)) {
- W.printString("Handler", formatSymbol(Rels, LSDAOffset,
- UI.getLanguageSpecificHandlerOffset()));
- } else if (UI.getFlags() & UNW_ChainInfo) {
- const RuntimeFunction *Chained = UI.getChainedFunctionEntry();
- if (Chained) {
- DictScope D(W, "Chained");
- W.printString("StartAddress", formatSymbol(Rels, LSDAOffset + 0,
- Chained->StartAddress));
- W.printString("EndAddress", formatSymbol(Rels, LSDAOffset + 4,
- Chained->EndAddress));
- W.printString("UnwindInfoAddress", formatSymbol(Rels, LSDAOffset + 8,
- Chained->UnwindInfoOffset));
- }
+void COFFDumper::printCOFFBaseReloc() {
+ ListScope D(W, "BaseReloc");
+ for (const BaseRelocRef &I : Obj->base_relocs()) {
+ uint8_t Type;
+ uint32_t RVA;
+ error(I.getRVA(RVA));
+ error(I.getType(Type));
+ DictScope Import(W, "Entry");
+ W.printString("Type", getBaseRelocTypeName(Type));
+ W.printHex("Address", RVA);
}
}
-// Prints one unwind code. Because an unwind code can occupy up to 3 slots in
-// the unwind codes array, this function requires that the correct number of
-// slots is provided.
-void COFFDumper::printUnwindCode(const Win64EH::UnwindInfo& UI,
- ArrayRef<UnwindCode> UCs) {
- assert(UCs.size() >= getNumUsedSlots(UCs[0]));
-
- W.startLine() << format("0x%02X: ", unsigned(UCs[0].u.CodeOffset))
- << getUnwindCodeTypeName(UCs[0].getUnwindOp());
-
- uint32_t AllocSize = 0;
-
- switch (UCs[0].getUnwindOp()) {
- case UOP_PushNonVol:
- outs() << " reg=" << getUnwindRegisterName(UCs[0].getOpInfo());
- break;
-
- case UOP_AllocLarge:
- if (UCs[0].getOpInfo() == 0) {
- AllocSize = UCs[1].FrameOffset * 8;
- } else {
- AllocSize = getLargeSlotValue(UCs);
- }
- outs() << " size=" << AllocSize;
- break;
- case UOP_AllocSmall:
- outs() << " size=" << ((UCs[0].getOpInfo() + 1) * 8);
- break;
- case UOP_SetFPReg:
- if (UI.getFrameRegister() == 0) {
- outs() << " reg=<invalid>";
- } else {
- outs() << " reg=" << getUnwindRegisterName(UI.getFrameRegister())
- << format(", offset=0x%X", UI.getFrameOffset() * 16);
+void COFFDumper::printStackMap() const {
+ object::SectionRef StackMapSection;
+ for (auto Sec : Obj->sections()) {
+ StringRef Name;
+ Sec.getName(Name);
+ if (Name == ".llvm_stackmaps") {
+ StackMapSection = Sec;
+ break;
}
- break;
- case UOP_SaveNonVol:
- outs() << " reg=" << getUnwindRegisterName(UCs[0].getOpInfo())
- << format(", offset=0x%X", UCs[1].FrameOffset * 8);
- break;
- case UOP_SaveNonVolBig:
- outs() << " reg=" << getUnwindRegisterName(UCs[0].getOpInfo())
- << format(", offset=0x%X", getLargeSlotValue(UCs));
- break;
- case UOP_SaveXMM128:
- outs() << " reg=XMM" << static_cast<uint32_t>(UCs[0].getOpInfo())
- << format(", offset=0x%X", UCs[1].FrameOffset * 16);
- break;
- case UOP_SaveXMM128Big:
- outs() << " reg=XMM" << static_cast<uint32_t>(UCs[0].getOpInfo())
- << format(", offset=0x%X", getLargeSlotValue(UCs));
- break;
- case UOP_PushMachFrame:
- outs() << " errcode=" << (UCs[0].getOpInfo() == 0 ? "no" : "yes");
- break;
}
- outs() << "\n";
+ if (StackMapSection == object::SectionRef())
+ return;
+
+ StringRef StackMapContents;
+ StackMapSection.getContents(StackMapContents);
+ ArrayRef<uint8_t> StackMapContentsArray(
+ reinterpret_cast<const uint8_t*>(StackMapContents.data()),
+ StackMapContents.size());
+
+ if (Obj->isLittleEndian())
+ prettyPrintStackMap(
+ llvm::outs(),
+ StackMapV1Parser<support::little>(StackMapContentsArray));
+ else
+ prettyPrintStackMap(llvm::outs(),
+ StackMapV1Parser<support::big>(StackMapContentsArray));
}
projects / oota-llvm.git / blobdiff