#include "llvm-readobj.h"
#include "Error.h"
#include "ObjDumper.h"
+#include "StackMapPrinter.h"
#include "StreamWriter.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
void printSymbols() override;
void printDynamicSymbols() override;
void printUnwindInfo() override;
+ void printStackMap() const override;
+
+ // MachO-specific.
+ void printMachODataInCode() override;
+ void printMachOVersionMin() override;
+ void printMachODysymtab() override;
+ void printMachOSegment() override;
+ void printMachOIndirectSymbols() override;
+ void printMachOLinkerOptions () override;
private:
template<class MachHeader>
uint32_t Flags;
uint32_t Reserved1;
uint32_t Reserved2;
+ uint32_t Reserved3;
+ };
+
+ struct MachOSegment {
+ std::string CmdName;
+ std::string SegName;
+ uint64_t cmdsize;
+ uint64_t vmaddr;
+ uint64_t vmsize;
+ uint64_t fileoff;
+ uint64_t filesize;
+ uint32_t maxprot;
+ uint32_t initprot;
+ uint32_t nsects;
+ uint32_t flags;
};
struct MachOSymbol {
};
}
+static std::string getMask(uint32_t prot)
+{
+ // TODO (davide): This always assumes prot is valid.
+ // Catch mistakes and report if needed.
+ std::string Prot;
+ Prot = "";
+ Prot += (prot & MachO::VM_PROT_READ) ? "r" : "-";
+ Prot += (prot & MachO::VM_PROT_WRITE) ? "w" : "-";
+ Prot += (prot & MachO::VM_PROT_EXECUTE) ? "x" : "-";
+ return Prot;
+}
+
static void getSection(const MachOObjectFile *Obj,
DataRefImpl Sec,
MachOSection &Section) {
Section.Flags = Sect.flags;
Section.Reserved1 = Sect.reserved1;
Section.Reserved2 = Sect.reserved2;
+ Section.Reserved3 = Sect.reserved3;
}
+static void getSegment(const MachOObjectFile *Obj,
+ const MachOObjectFile::LoadCommandInfo &L,
+ MachOSegment &Segment) {
+ if (!Obj->is64Bit()) {
+ MachO::segment_command SC = Obj->getSegmentLoadCommand(L);
+ Segment.CmdName = "LC_SEGMENT";
+ Segment.SegName = SC.segname;
+ Segment.cmdsize = SC.cmdsize;
+ Segment.vmaddr = SC.vmaddr;
+ Segment.vmsize = SC.vmsize;
+ Segment.fileoff = SC.fileoff;
+ Segment.filesize = SC.filesize;
+ Segment.maxprot = SC.maxprot;
+ Segment.initprot = SC.initprot;
+ Segment.nsects = SC.nsects;
+ Segment.flags = SC.flags;
+ return;
+ }
+ MachO::segment_command_64 SC = Obj->getSegment64LoadCommand(L);
+ Segment.CmdName = "LC_SEGMENT_64";
+ Segment.SegName = SC.segname;
+ Segment.cmdsize = SC.cmdsize;
+ Segment.vmaddr = SC.vmaddr;
+ Segment.vmsize = SC.vmsize;
+ Segment.fileoff = SC.fileoff;
+ Segment.filesize = SC.filesize;
+ Segment.maxprot = SC.maxprot;
+ Segment.initprot = SC.initprot;
+ Segment.nsects = SC.nsects;
+ Segment.flags = SC.flags;
+}
static void getSymbol(const MachOObjectFile *Obj,
DataRefImpl DRI,
DataRefImpl DR = Section.getRawDataRefImpl();
StringRef Name;
- if (error(Section.getName(Name)))
- Name = "";
+ error(Section.getName(Name));
ArrayRef<char> RawName = Obj->getSectionRawName(DR);
StringRef SegmentName = Obj->getSectionFinalSegmentName(DR);
makeArrayRef(MachOSectionAttributes));
W.printHex("Reserved1", MOSection.Reserved1);
W.printHex("Reserved2", MOSection.Reserved2);
+ if (Obj->is64Bit())
+ W.printHex("Reserved3", MOSection.Reserved3);
if (opts::SectionRelocations) {
ListScope D(W, "Relocations");
bool IsBSS = Section.isBSS();
if (!IsBSS) {
StringRef Data;
- if (error(Section.getContents(Data)))
- break;
+ error(Section.getContents(Data));
W.printBinaryBlock("SectionData", Data);
}
std::error_code EC;
for (const SectionRef &Section : Obj->sections()) {
StringRef Name;
- if (error(Section.getName(Name)))
- continue;
+ error(Section.getName(Name));
bool PrintedGroup = false;
for (const RelocationRef &Reloc : Section.relocations()) {
void MachODumper::printRelocation(const MachOObjectFile *Obj,
const RelocationRef &Reloc) {
- uint64_t Offset;
+ uint64_t Offset = Reloc.getOffset();
SmallString<32> RelocName;
- if (error(Reloc.getOffset(Offset)))
- return;
- if (error(Reloc.getTypeName(RelocName)))
- return;
+ Reloc.getTypeName(RelocName);
DataRefImpl DR = Reloc.getRawDataRefImpl();
MachO::any_relocation_info RE = Obj->getRelocation(DR);
if (IsExtern) {
symbol_iterator Symbol = Reloc.getSymbol();
if (Symbol != Obj->symbol_end()) {
- if (error(Symbol->getName(TargetName)))
- return;
+ ErrorOr<StringRef> TargetNameOrErr = Symbol->getName();
+ error(TargetNameOrErr.getError());
+ TargetName = *TargetNameOrErr;
}
} else if (!IsScattered) {
- section_iterator SecI = Reloc.getSection();
+ section_iterator SecI = Obj->getRelocationSection(DR);
if (SecI != Obj->section_end()) {
- if (error(SecI->getName(TargetName)))
- return;
+ error(SecI->getName(TargetName));
}
}
if (TargetName.empty())
void MachODumper::printSymbol(const SymbolRef &Symbol) {
StringRef SymbolName;
- if (Symbol.getName(SymbolName))
- SymbolName = "";
+ if (ErrorOr<StringRef> SymbolNameOrErr = Symbol.getName())
+ SymbolName = *SymbolNameOrErr;
MachOSymbol MOSymbol;
getSymbol(Obj, Symbol.getRawDataRefImpl(), MOSymbol);
StringRef SectionName = "";
- section_iterator SecI(Obj->section_begin());
- if (!error(Symbol.getSection(SecI)) && SecI != Obj->section_end())
+ ErrorOr<section_iterator> SecIOrErr = Symbol.getSection();
+ error(SecIOrErr.getError());
+ section_iterator SecI = *SecIOrErr;
+ if (SecI != Obj->section_end())
error(SecI->getName(SectionName));
DictScope D(W, "Symbol");
void MachODumper::printUnwindInfo() {
W.startLine() << "UnwindInfo not implemented.\n";
}
+
+void MachODumper::printStackMap() const {
+ object::SectionRef StackMapSection;
+ for (auto Sec : Obj->sections()) {
+ StringRef Name;
+ Sec.getName(Name);
+ if (Name == "__llvm_stackmaps") {
+ StackMapSection = Sec;
+ break;
+ }
+ }
+
+ 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));
+}
+
+void MachODumper::printMachODataInCode() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_DATA_IN_CODE) {
+ MachO::linkedit_data_command LLC = Obj->getLinkeditDataLoadCommand(Load);
+ DictScope Group(W, "DataInCode");
+ W.printNumber("Data offset", LLC.dataoff);
+ W.printNumber("Data size", LLC.datasize);
+ ListScope D(W, "Data entries");
+ unsigned NumRegions = LLC.datasize / sizeof(MachO::data_in_code_entry);
+ for (unsigned i = 0; i < NumRegions; ++i) {
+ MachO::data_in_code_entry DICE = Obj->getDataInCodeTableEntry(
+ LLC.dataoff, i);
+ DictScope Group(W, "Entry");
+ W.printNumber("Index", i);
+ W.printNumber("Offset", DICE.offset);
+ W.printNumber("Length", DICE.length);
+ W.printNumber("Kind", DICE.kind);
+ }
+ }
+ }
+}
+
+void MachODumper::printMachOVersionMin() {
+ for (const auto &Load : Obj->load_commands()) {
+ StringRef Cmd;
+ switch (Load.C.cmd) {
+ case MachO::LC_VERSION_MIN_MACOSX:
+ Cmd = "LC_VERSION_MIN_MACOSX";
+ break;
+ case MachO::LC_VERSION_MIN_IPHONEOS:
+ Cmd = "LC_VERSION_MIN_IPHONEOS";
+ break;
+ case MachO::LC_VERSION_MIN_TVOS:
+ Cmd = "LC_VERSION_MIN_TVOS";
+ break;
+ case MachO::LC_VERSION_MIN_WATCHOS:
+ Cmd = "LC_VERSION_MIN_WATCHOS";
+ break;
+ default:
+ continue;
+ }
+
+ MachO::version_min_command VMC = Obj->getVersionMinLoadCommand(Load);
+ DictScope Group(W, "MinVersion");
+ W.printString("Cmd", Cmd);
+ W.printNumber("Size", VMC.cmdsize);
+ SmallString<32> Version;
+ Version = utostr(MachOObjectFile::getVersionMinMajor(VMC, false)) + "." +
+ utostr(MachOObjectFile::getVersionMinMinor(VMC, false));
+ uint32_t Update = MachOObjectFile::getVersionMinUpdate(VMC, false);
+ if (Update != 0)
+ Version += "." + utostr(MachOObjectFile::getVersionMinUpdate(VMC, false));
+ W.printString("Version", Version);
+ SmallString<32> SDK;
+ if (VMC.sdk == 0)
+ SDK = "n/a";
+ else {
+ SDK = utostr(MachOObjectFile::getVersionMinMajor(VMC, true)) + "." +
+ utostr(MachOObjectFile::getVersionMinMinor(VMC, true));
+ uint32_t Update = MachOObjectFile::getVersionMinUpdate(VMC, true);
+ if (Update != 0)
+ SDK += "." + utostr(MachOObjectFile::getVersionMinUpdate(VMC, true));
+ }
+ W.printString("SDK", SDK);
+ }
+}
+
+void MachODumper::printMachODysymtab() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_DYSYMTAB) {
+ MachO::dysymtab_command DLC = Obj->getDysymtabLoadCommand();
+ DictScope Group(W, "Dysymtab");
+ W.printNumber("ilocalsym", DLC.ilocalsym);
+ W.printNumber("nlocalsym", DLC.nlocalsym);
+ W.printNumber("iextdefsym", DLC.iextdefsym);
+ W.printNumber("nextdefsym", DLC.nextdefsym);
+ W.printNumber("iundefsym", DLC.iundefsym);
+ W.printNumber("nundefsym", DLC.nundefsym);
+ W.printNumber("tocoff", DLC.tocoff);
+ W.printNumber("ntoc", DLC.ntoc);
+ W.printNumber("modtaboff", DLC.modtaboff);
+ W.printNumber("nmodtab", DLC.nmodtab);
+ W.printNumber("extrefsymoff", DLC.extrefsymoff);
+ W.printNumber("nextrefsyms", DLC.nextrefsyms);
+ W.printNumber("indirectsymoff", DLC.indirectsymoff);
+ W.printNumber("nindirectsyms", DLC.nindirectsyms);
+ W.printNumber("extreloff", DLC.extreloff);
+ W.printNumber("nextrel", DLC.nextrel);
+ W.printNumber("locreloff", DLC.locreloff);
+ W.printNumber("nlocrel", DLC.nlocrel);
+ }
+ }
+}
+
+void MachODumper::printMachOSegment() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_SEGMENT || Load.C.cmd == MachO::LC_SEGMENT_64) {
+ MachOSegment MOSegment;
+ getSegment(Obj, Load, MOSegment);
+ DictScope Group(W, "Segment");
+ W.printString("Cmd", MOSegment.CmdName);
+ W.printString("Name", MOSegment.SegName);
+ W.printNumber("Size", MOSegment.cmdsize);
+ W.printHex("vmaddr", MOSegment.vmaddr);
+ W.printHex("vmsize", MOSegment.vmsize);
+ W.printNumber("fileoff", MOSegment.fileoff);
+ W.printNumber("filesize", MOSegment.filesize);
+ W.printString("maxprot", getMask(MOSegment.maxprot));
+ W.printString("initprot", getMask(MOSegment.initprot));
+ W.printNumber("nsects", MOSegment.nsects);
+ W.printHex("flags", MOSegment.flags);
+ }
+ }
+}
+
+void MachODumper::printMachOIndirectSymbols() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_DYSYMTAB) {
+ MachO::dysymtab_command DLC = Obj->getDysymtabLoadCommand();
+ DictScope Group(W, "Indirect Symbols");
+ W.printNumber("Number", DLC.nindirectsyms);
+ ListScope D(W, "Symbols");
+ for (unsigned i = 0; i < DLC.nindirectsyms; ++i) {
+ DictScope Group(W, "Entry");
+ W.printNumber("Entry Index", i);
+ W.printHex("Symbol Index", Obj->getIndirectSymbolTableEntry(DLC, i));
+ }
+ }
+ }
+}
+
+void MachODumper::printMachOLinkerOptions() {
+ for (const auto &Load : Obj->load_commands()) {
+ if (Load.C.cmd == MachO::LC_LINKER_OPTION) {
+ MachO::linker_option_command LOLC = Obj->getLinkerOptionLoadCommand(Load);
+ DictScope Group(W, "Linker Options");
+ W.printNumber("Size", LOLC.cmdsize);
+ ListScope D(W, "Strings");
+ uint64_t DataSize = LOLC.cmdsize - sizeof(MachO::linker_option_command);
+ const char *P = Load.Ptr + sizeof(MachO::linker_option_command);
+ StringRef Data(P, DataSize);
+ for (unsigned i = 0; i < LOLC.count; ++i) {
+ std::pair<StringRef,StringRef> Split = Data.split('\0');
+ W.printString("Value", Split.first);
+ Data = Split.second;
+ }
+ }
+ }
+}
projects / oota-llvm.git / blobdiff