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authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/llvm14/tools/llvm-readobj/MachODumper.cpp
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
Diffstat (limited to 'contrib/libs/llvm14/tools/llvm-readobj/MachODumper.cpp')
-rw-r--r--contrib/libs/llvm14/tools/llvm-readobj/MachODumper.cpp938
1 files changed, 938 insertions, 0 deletions
diff --git a/contrib/libs/llvm14/tools/llvm-readobj/MachODumper.cpp b/contrib/libs/llvm14/tools/llvm-readobj/MachODumper.cpp
new file mode 100644
index 0000000000..599b035591
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-readobj/MachODumper.cpp
@@ -0,0 +1,938 @@
+//===- MachODumper.cpp - Object file dumping utility for llvm -------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the MachO-specific dumper for llvm-readobj.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ObjDumper.h"
+#include "StackMapPrinter.h"
+#include "llvm-readobj.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Object/MachO.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/ScopedPrinter.h"
+
+using namespace llvm;
+using namespace object;
+
+namespace {
+
+class MachODumper : public ObjDumper {
+public:
+ MachODumper(const MachOObjectFile *Obj, ScopedPrinter &Writer)
+ : ObjDumper(Writer, Obj->getFileName()), Obj(Obj) {}
+
+ void printFileHeaders() override;
+ void printSectionHeaders() override;
+ void printRelocations() override;
+ void printUnwindInfo() override;
+ void printStackMap() const override;
+ void printCGProfile() override;
+
+ void printNeededLibraries() 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>
+ void printFileHeaders(const MachHeader &Header);
+
+ StringRef getSymbolName(const SymbolRef &Symbol);
+
+ void printSymbols() override;
+ void printDynamicSymbols() override;
+ void printSymbol(const SymbolRef &Symbol);
+
+ void printRelocation(const RelocationRef &Reloc);
+
+ void printRelocation(const MachOObjectFile *Obj, const RelocationRef &Reloc);
+
+ void printSectionHeaders(const MachOObjectFile *Obj);
+
+ const MachOObjectFile *Obj;
+};
+
+} // namespace
+
+
+namespace llvm {
+
+std::unique_ptr<ObjDumper> createMachODumper(const object::MachOObjectFile &Obj,
+ ScopedPrinter &Writer) {
+ return std::make_unique<MachODumper>(&Obj, Writer);
+}
+
+} // namespace llvm
+
+const EnumEntry<uint32_t> MachOMagics[] = {
+ { "Magic", MachO::MH_MAGIC },
+ { "Cigam", MachO::MH_CIGAM },
+ { "Magic64", MachO::MH_MAGIC_64 },
+ { "Cigam64", MachO::MH_CIGAM_64 },
+ { "FatMagic", MachO::FAT_MAGIC },
+ { "FatCigam", MachO::FAT_CIGAM },
+};
+
+const EnumEntry<uint32_t> MachOHeaderFileTypes[] = {
+ { "Relocatable", MachO::MH_OBJECT },
+ { "Executable", MachO::MH_EXECUTE },
+ { "FixedVMLibrary", MachO::MH_FVMLIB },
+ { "Core", MachO::MH_CORE },
+ { "PreloadedExecutable", MachO::MH_PRELOAD },
+ { "DynamicLibrary", MachO::MH_DYLIB },
+ { "DynamicLinker", MachO::MH_DYLINKER },
+ { "Bundle", MachO::MH_BUNDLE },
+ { "DynamicLibraryStub", MachO::MH_DYLIB_STUB },
+ { "DWARFSymbol", MachO::MH_DSYM },
+ { "KextBundle", MachO::MH_KEXT_BUNDLE },
+};
+
+const EnumEntry<uint32_t> MachOHeaderCpuTypes[] = {
+ { "Any" , static_cast<uint32_t>(MachO::CPU_TYPE_ANY) },
+ { "X86" , MachO::CPU_TYPE_X86 },
+ { "X86-64" , MachO::CPU_TYPE_X86_64 },
+ { "Mc98000" , MachO::CPU_TYPE_MC98000 },
+ { "Arm" , MachO::CPU_TYPE_ARM },
+ { "Arm64" , MachO::CPU_TYPE_ARM64 },
+ { "Sparc" , MachO::CPU_TYPE_SPARC },
+ { "PowerPC" , MachO::CPU_TYPE_POWERPC },
+ { "PowerPC64" , MachO::CPU_TYPE_POWERPC64 },
+};
+
+const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX86[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_I386_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_386),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_486SX),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_586),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTPRO),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M3),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTII_M5),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_CELERON_MOBILE),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_3_XEON),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_PENTIUM_4_M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ITANIUM_2),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_XEON_MP),
+};
+
+const EnumEntry<uint32_t> MachOHeaderCpuSubtypesX64[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_ARCH1),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_X86_64_H),
+};
+
+const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V4T),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V5TEJ),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_XSCALE),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7S),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7K),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V6M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7M),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM_V7EM),
+};
+
+const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_V8),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64E),
+};
+
+const EnumEntry<uint32_t> MachOHeaderCpuSubtypesSPARC[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_SPARC_ALL),
+};
+
+const EnumEntry<uint32_t> MachOHeaderCpuSubtypesPPC[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_ALL),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_601),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_602),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603e),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_603ev),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_604e),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_620),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_750),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7400),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_7450),
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_POWERPC_970),
+};
+
+const EnumEntry<uint32_t> MachOHeaderFlags[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NOUNDEFS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_INCRLINK),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_DYLDLINK),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDATLOAD),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBOUND),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_SPLIT_SEGS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_LAZY_INIT),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_TWOLEVEL),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_FORCE_FLAT),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NOMULTIDEFS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NOFIXPREBINDING),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_PREBINDABLE),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLMODSBOUND),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_SUBSECTIONS_VIA_SYMBOLS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_CANONICAL),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_WEAK_DEFINES),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_BINDS_TO_WEAK),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_ALLOW_STACK_EXECUTION),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_ROOT_SAFE),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_SETUID_SAFE),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_REEXPORTED_DYLIBS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_PIE),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_DEAD_STRIPPABLE_DYLIB),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_HAS_TLV_DESCRIPTORS),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_NO_HEAP_EXECUTION),
+ LLVM_READOBJ_ENUM_ENT(MachO, MH_APP_EXTENSION_SAFE),
+};
+
+const EnumEntry<unsigned> MachOSectionTypes[] = {
+ { "Regular" , MachO::S_REGULAR },
+ { "ZeroFill" , MachO::S_ZEROFILL },
+ { "CStringLiterals" , MachO::S_CSTRING_LITERALS },
+ { "4ByteLiterals" , MachO::S_4BYTE_LITERALS },
+ { "8ByteLiterals" , MachO::S_8BYTE_LITERALS },
+ { "LiteralPointers" , MachO::S_LITERAL_POINTERS },
+ { "NonLazySymbolPointers" , MachO::S_NON_LAZY_SYMBOL_POINTERS },
+ { "LazySymbolPointers" , MachO::S_LAZY_SYMBOL_POINTERS },
+ { "SymbolStubs" , MachO::S_SYMBOL_STUBS },
+ { "ModInitFuncPointers" , MachO::S_MOD_INIT_FUNC_POINTERS },
+ { "ModTermFuncPointers" , MachO::S_MOD_TERM_FUNC_POINTERS },
+ { "Coalesced" , MachO::S_COALESCED },
+ { "GBZeroFill" , MachO::S_GB_ZEROFILL },
+ { "Interposing" , MachO::S_INTERPOSING },
+ { "16ByteLiterals" , MachO::S_16BYTE_LITERALS },
+ { "DTraceDOF" , MachO::S_DTRACE_DOF },
+ { "LazyDylibSymbolPointers" , MachO::S_LAZY_DYLIB_SYMBOL_POINTERS },
+ { "ThreadLocalRegular" , MachO::S_THREAD_LOCAL_REGULAR },
+ { "ThreadLocalZerofill" , MachO::S_THREAD_LOCAL_ZEROFILL },
+ { "ThreadLocalVariables" , MachO::S_THREAD_LOCAL_VARIABLES },
+ { "ThreadLocalVariablePointers" , MachO::S_THREAD_LOCAL_VARIABLE_POINTERS },
+ { "ThreadLocalInitFunctionPointers", MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS }
+};
+
+const EnumEntry<unsigned> MachOSectionAttributes[] = {
+ { "LocReloc" , 1 << 0 /*S_ATTR_LOC_RELOC */ },
+ { "ExtReloc" , 1 << 1 /*S_ATTR_EXT_RELOC */ },
+ { "SomeInstructions" , 1 << 2 /*S_ATTR_SOME_INSTRUCTIONS */ },
+ { "Debug" , 1 << 17 /*S_ATTR_DEBUG */ },
+ { "SelfModifyingCode", 1 << 18 /*S_ATTR_SELF_MODIFYING_CODE*/ },
+ { "LiveSupport" , 1 << 19 /*S_ATTR_LIVE_SUPPORT */ },
+ { "NoDeadStrip" , 1 << 20 /*S_ATTR_NO_DEAD_STRIP */ },
+ { "StripStaticSyms" , 1 << 21 /*S_ATTR_STRIP_STATIC_SYMS */ },
+ { "NoTOC" , 1 << 22 /*S_ATTR_NO_TOC */ },
+ { "PureInstructions" , 1 << 23 /*S_ATTR_PURE_INSTRUCTIONS */ },
+};
+
+const EnumEntry<unsigned> MachOSymbolRefTypes[] = {
+ { "UndefinedNonLazy", 0 },
+ { "ReferenceFlagUndefinedLazy", 1 },
+ { "ReferenceFlagDefined", 2 },
+ { "ReferenceFlagPrivateDefined", 3 },
+ { "ReferenceFlagPrivateUndefinedNonLazy", 4 },
+ { "ReferenceFlagPrivateUndefinedLazy", 5 }
+};
+
+const EnumEntry<unsigned> MachOSymbolFlags[] = {
+ { "ThumbDef", 0x8 },
+ { "ReferencedDynamically", 0x10 },
+ { "NoDeadStrip", 0x20 },
+ { "WeakRef", 0x40 },
+ { "WeakDef", 0x80 },
+ { "SymbolResolver", 0x100 },
+ { "AltEntry", 0x200 },
+ { "ColdFunc", 0x400 },
+};
+
+const EnumEntry<unsigned> MachOSymbolTypes[] = {
+ { "Undef", 0x0 },
+ { "Abs", 0x2 },
+ { "Indirect", 0xA },
+ { "PreboundUndef", 0xC },
+ { "Section", 0xE }
+};
+
+namespace {
+ struct MachOSection {
+ ArrayRef<char> Name;
+ ArrayRef<char> SegmentName;
+ uint64_t Address;
+ uint64_t Size;
+ uint32_t Offset;
+ uint32_t Alignment;
+ uint32_t RelocationTableOffset;
+ uint32_t NumRelocationTableEntries;
+ 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 {
+ uint32_t StringIndex;
+ uint8_t Type;
+ uint8_t SectionIndex;
+ uint16_t Flags;
+ uint64_t Value;
+ };
+}
+
+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) {
+ if (!Obj->is64Bit()) {
+ MachO::section Sect = Obj->getSection(Sec);
+ Section.Address = Sect.addr;
+ Section.Size = Sect.size;
+ Section.Offset = Sect.offset;
+ Section.Alignment = Sect.align;
+ Section.RelocationTableOffset = Sect.reloff;
+ Section.NumRelocationTableEntries = Sect.nreloc;
+ Section.Flags = Sect.flags;
+ Section.Reserved1 = Sect.reserved1;
+ Section.Reserved2 = Sect.reserved2;
+ return;
+ }
+ MachO::section_64 Sect = Obj->getSection64(Sec);
+ Section.Address = Sect.addr;
+ Section.Size = Sect.size;
+ Section.Offset = Sect.offset;
+ Section.Alignment = Sect.align;
+ Section.RelocationTableOffset = Sect.reloff;
+ Section.NumRelocationTableEntries = Sect.nreloc;
+ 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,
+ MachOSymbol &Symbol) {
+ if (!Obj->is64Bit()) {
+ MachO::nlist Entry = Obj->getSymbolTableEntry(DRI);
+ Symbol.StringIndex = Entry.n_strx;
+ Symbol.Type = Entry.n_type;
+ Symbol.SectionIndex = Entry.n_sect;
+ Symbol.Flags = Entry.n_desc;
+ Symbol.Value = Entry.n_value;
+ return;
+ }
+ MachO::nlist_64 Entry = Obj->getSymbol64TableEntry(DRI);
+ Symbol.StringIndex = Entry.n_strx;
+ Symbol.Type = Entry.n_type;
+ Symbol.SectionIndex = Entry.n_sect;
+ Symbol.Flags = Entry.n_desc;
+ Symbol.Value = Entry.n_value;
+}
+
+void MachODumper::printFileHeaders() {
+ DictScope H(W, "MachHeader");
+ if (!Obj->is64Bit()) {
+ printFileHeaders(Obj->getHeader());
+ } else {
+ printFileHeaders(Obj->getHeader64());
+ W.printHex("Reserved", Obj->getHeader64().reserved);
+ }
+}
+
+template<class MachHeader>
+void MachODumper::printFileHeaders(const MachHeader &Header) {
+ W.printEnum("Magic", Header.magic, makeArrayRef(MachOMagics));
+ W.printEnum("CpuType", Header.cputype, makeArrayRef(MachOHeaderCpuTypes));
+ uint32_t subtype = Header.cpusubtype & ~MachO::CPU_SUBTYPE_MASK;
+ switch (Header.cputype) {
+ case MachO::CPU_TYPE_X86:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesX86));
+ break;
+ case MachO::CPU_TYPE_X86_64:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesX64));
+ break;
+ case MachO::CPU_TYPE_ARM:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesARM));
+ break;
+ case MachO::CPU_TYPE_POWERPC:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesPPC));
+ break;
+ case MachO::CPU_TYPE_SPARC:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesSPARC));
+ break;
+ case MachO::CPU_TYPE_ARM64:
+ W.printEnum("CpuSubType", subtype, makeArrayRef(MachOHeaderCpuSubtypesARM64));
+ break;
+ case MachO::CPU_TYPE_POWERPC64:
+ default:
+ W.printHex("CpuSubtype", subtype);
+ }
+ W.printEnum("FileType", Header.filetype, makeArrayRef(MachOHeaderFileTypes));
+ W.printNumber("NumOfLoadCommands", Header.ncmds);
+ W.printNumber("SizeOfLoadCommands", Header.sizeofcmds);
+ W.printFlags("Flags", Header.flags, makeArrayRef(MachOHeaderFlags));
+}
+
+void MachODumper::printSectionHeaders() { return printSectionHeaders(Obj); }
+
+void MachODumper::printSectionHeaders(const MachOObjectFile *Obj) {
+ ListScope Group(W, "Sections");
+
+ int SectionIndex = -1;
+ for (const SectionRef &Section : Obj->sections()) {
+ ++SectionIndex;
+
+ MachOSection MOSection;
+ getSection(Obj, Section.getRawDataRefImpl(), MOSection);
+ DataRefImpl DR = Section.getRawDataRefImpl();
+ StringRef Name = unwrapOrError(Obj->getFileName(), Section.getName());
+ ArrayRef<char> RawName = Obj->getSectionRawName(DR);
+ StringRef SegmentName = Obj->getSectionFinalSegmentName(DR);
+ ArrayRef<char> RawSegmentName = Obj->getSectionRawFinalSegmentName(DR);
+
+ DictScope SectionD(W, "Section");
+ W.printNumber("Index", SectionIndex);
+ W.printBinary("Name", Name, RawName);
+ W.printBinary("Segment", SegmentName, RawSegmentName);
+ W.printHex("Address", MOSection.Address);
+ W.printHex("Size", MOSection.Size);
+ W.printNumber("Offset", MOSection.Offset);
+ W.printNumber("Alignment", MOSection.Alignment);
+ W.printHex("RelocationOffset", MOSection.RelocationTableOffset);
+ W.printNumber("RelocationCount", MOSection.NumRelocationTableEntries);
+ W.printEnum("Type", MOSection.Flags & 0xFF,
+ makeArrayRef(MachOSectionTypes));
+ W.printFlags("Attributes", MOSection.Flags >> 8,
+ 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");
+ for (const RelocationRef &Reloc : Section.relocations())
+ printRelocation(Reloc);
+ }
+
+ if (opts::SectionSymbols) {
+ ListScope D(W, "Symbols");
+ for (const SymbolRef &Symbol : Obj->symbols()) {
+ if (!Section.containsSymbol(Symbol))
+ continue;
+
+ printSymbol(Symbol);
+ }
+ }
+
+ if (opts::SectionData && !Section.isBSS())
+ W.printBinaryBlock("SectionData", unwrapOrError(Obj->getFileName(),
+ Section.getContents()));
+ }
+}
+
+void MachODumper::printRelocations() {
+ ListScope D(W, "Relocations");
+
+ std::error_code EC;
+ for (const SectionRef &Section : Obj->sections()) {
+ StringRef Name = unwrapOrError(Obj->getFileName(), Section.getName());
+ bool PrintedGroup = false;
+ for (const RelocationRef &Reloc : Section.relocations()) {
+ if (!PrintedGroup) {
+ W.startLine() << "Section " << Name << " {\n";
+ W.indent();
+ PrintedGroup = true;
+ }
+
+ printRelocation(Reloc);
+ }
+
+ if (PrintedGroup) {
+ W.unindent();
+ W.startLine() << "}\n";
+ }
+ }
+}
+
+void MachODumper::printRelocation(const RelocationRef &Reloc) {
+ return printRelocation(Obj, Reloc);
+}
+
+void MachODumper::printRelocation(const MachOObjectFile *Obj,
+ const RelocationRef &Reloc) {
+ uint64_t Offset = Reloc.getOffset();
+ SmallString<32> RelocName;
+ Reloc.getTypeName(RelocName);
+
+ DataRefImpl DR = Reloc.getRawDataRefImpl();
+ MachO::any_relocation_info RE = Obj->getRelocation(DR);
+ bool IsScattered = Obj->isRelocationScattered(RE);
+ bool IsExtern = !IsScattered && Obj->getPlainRelocationExternal(RE);
+
+ StringRef TargetName;
+ if (IsExtern) {
+ symbol_iterator Symbol = Reloc.getSymbol();
+ if (Symbol != Obj->symbol_end()) {
+ TargetName = getSymbolName(*Symbol);
+ }
+ } else if (!IsScattered) {
+ section_iterator SecI = Obj->getRelocationSection(DR);
+ if (SecI != Obj->section_end())
+ TargetName = unwrapOrError(Obj->getFileName(), SecI->getName());
+ }
+ if (TargetName.empty())
+ TargetName = "-";
+
+ if (opts::ExpandRelocs) {
+ DictScope Group(W, "Relocation");
+ W.printHex("Offset", Offset);
+ W.printNumber("PCRel", Obj->getAnyRelocationPCRel(RE));
+ W.printNumber("Length", Obj->getAnyRelocationLength(RE));
+ W.printNumber("Type", RelocName, Obj->getAnyRelocationType(RE));
+ if (IsScattered) {
+ W.printHex("Value", Obj->getScatteredRelocationValue(RE));
+ } else {
+ const char *Kind = IsExtern ? "Symbol" : "Section";
+ W.printNumber(Kind, TargetName, Obj->getPlainRelocationSymbolNum(RE));
+ }
+ } else {
+ SmallString<32> SymbolNameOrOffset("0x");
+ if (IsScattered) {
+ // Scattered relocations don't really have an associated symbol for some
+ // reason, even if one exists in the symtab at the correct address.
+ SymbolNameOrOffset += utohexstr(Obj->getScatteredRelocationValue(RE));
+ } else {
+ SymbolNameOrOffset = TargetName;
+ }
+
+ raw_ostream& OS = W.startLine();
+ OS << W.hex(Offset)
+ << " " << Obj->getAnyRelocationPCRel(RE)
+ << " " << Obj->getAnyRelocationLength(RE);
+ if (IsScattered)
+ OS << " n/a";
+ else
+ OS << " " << Obj->getPlainRelocationExternal(RE);
+ OS << " " << RelocName
+ << " " << IsScattered
+ << " " << SymbolNameOrOffset
+ << "\n";
+ }
+}
+
+StringRef MachODumper::getSymbolName(const SymbolRef &Symbol) {
+ Expected<StringRef> SymbolNameOrErr = Symbol.getName();
+ if (!SymbolNameOrErr) {
+ reportError(SymbolNameOrErr.takeError(), Obj->getFileName());
+ }
+ return *SymbolNameOrErr;
+}
+
+void MachODumper::printSymbols() {
+ ListScope Group(W, "Symbols");
+
+ for (const SymbolRef &Symbol : Obj->symbols()) {
+ printSymbol(Symbol);
+ }
+}
+
+void MachODumper::printDynamicSymbols() {
+ ListScope Group(W, "DynamicSymbols");
+}
+
+void MachODumper::printSymbol(const SymbolRef &Symbol) {
+ StringRef SymbolName = getSymbolName(Symbol);
+
+ MachOSymbol MOSymbol;
+ getSymbol(Obj, Symbol.getRawDataRefImpl(), MOSymbol);
+
+ StringRef SectionName = "";
+ // Don't ask a Mach-O STABS symbol for its section unless we know that
+ // STAB symbol's section field refers to a valid section index. Otherwise
+ // the symbol may error trying to load a section that does not exist.
+ // TODO: Add a whitelist of STABS symbol types that contain valid section
+ // indices.
+ if (!(MOSymbol.Type & MachO::N_STAB)) {
+ Expected<section_iterator> SecIOrErr = Symbol.getSection();
+ if (!SecIOrErr)
+ reportError(SecIOrErr.takeError(), Obj->getFileName());
+
+ section_iterator SecI = *SecIOrErr;
+ if (SecI != Obj->section_end())
+ SectionName = unwrapOrError(Obj->getFileName(), SecI->getName());
+ }
+
+ DictScope D(W, "Symbol");
+ W.printNumber("Name", SymbolName, MOSymbol.StringIndex);
+ if (MOSymbol.Type & MachO::N_STAB) {
+ W.printHex("Type", "SymDebugTable", MOSymbol.Type);
+ } else {
+ if (MOSymbol.Type & MachO::N_PEXT)
+ W.startLine() << "PrivateExtern\n";
+ if (MOSymbol.Type & MachO::N_EXT)
+ W.startLine() << "Extern\n";
+ W.printEnum("Type", uint8_t(MOSymbol.Type & MachO::N_TYPE),
+ makeArrayRef(MachOSymbolTypes));
+ }
+ W.printHex("Section", SectionName, MOSymbol.SectionIndex);
+ W.printEnum("RefType", static_cast<uint16_t>(MOSymbol.Flags & 0x7),
+ makeArrayRef(MachOSymbolRefTypes));
+ W.printFlags("Flags", static_cast<uint16_t>(MOSymbol.Flags & ~0x7),
+ makeArrayRef(MachOSymbolFlags));
+ W.printHex("Value", MOSymbol.Value);
+}
+
+void MachODumper::printUnwindInfo() {
+ W.startLine() << "UnwindInfo not implemented.\n";
+}
+
+void MachODumper::printStackMap() const {
+ object::SectionRef StackMapSection;
+ for (auto Sec : Obj->sections()) {
+ StringRef Name;
+ if (Expected<StringRef> NameOrErr = Sec.getName())
+ Name = *NameOrErr;
+ else
+ consumeError(NameOrErr.takeError());
+
+ if (Name == "__llvm_stackmaps") {
+ StackMapSection = Sec;
+ break;
+ }
+ }
+
+ if (StackMapSection == object::SectionRef())
+ return;
+
+ StringRef StackMapContents =
+ unwrapOrError(Obj->getFileName(), StackMapSection.getContents());
+ ArrayRef<uint8_t> StackMapContentsArray =
+ arrayRefFromStringRef(StackMapContents);
+
+ if (Obj->isLittleEndian())
+ prettyPrintStackMap(
+ W, StackMapParser<support::little>(StackMapContentsArray));
+ else
+ prettyPrintStackMap(
+ W, StackMapParser<support::big>(StackMapContentsArray));
+}
+
+void MachODumper::printCGProfile() {
+ object::SectionRef CGProfileSection;
+ for (auto Sec : Obj->sections()) {
+ StringRef Name;
+ if (Expected<StringRef> NameOrErr = Sec.getName())
+ Name = *NameOrErr;
+ else
+ consumeError(NameOrErr.takeError());
+
+ if (Name == "__cg_profile") {
+ CGProfileSection = Sec;
+ break;
+ }
+ }
+ if (CGProfileSection == object::SectionRef())
+ return;
+
+ StringRef CGProfileContents =
+ unwrapOrError(Obj->getFileName(), CGProfileSection.getContents());
+ BinaryStreamReader Reader(CGProfileContents, Obj->isLittleEndian()
+ ? llvm::support::little
+ : llvm::support::big);
+
+ ListScope L(W, "CGProfile");
+ while (!Reader.empty()) {
+ uint32_t FromIndex, ToIndex;
+ uint64_t Count;
+ if (Error Err = Reader.readInteger(FromIndex))
+ reportError(std::move(Err), Obj->getFileName());
+ if (Error Err = Reader.readInteger(ToIndex))
+ reportError(std::move(Err), Obj->getFileName());
+ if (Error Err = Reader.readInteger(Count))
+ reportError(std::move(Err), Obj->getFileName());
+ DictScope D(W, "CGProfileEntry");
+ W.printNumber("From", getSymbolName(*Obj->getSymbolByIndex(FromIndex)),
+ FromIndex);
+ W.printNumber("To", getSymbolName(*Obj->getSymbolByIndex(ToIndex)),
+ ToIndex);
+ W.printNumber("Weight", Count);
+ }
+}
+
+void MachODumper::printNeededLibraries() {
+ ListScope D(W, "NeededLibraries");
+
+ using LibsTy = std::vector<StringRef>;
+ LibsTy Libs;
+
+ for (const auto &Command : Obj->load_commands()) {
+ if (Command.C.cmd == MachO::LC_LOAD_DYLIB ||
+ Command.C.cmd == MachO::LC_ID_DYLIB ||
+ Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
+ Command.C.cmd == MachO::LC_REEXPORT_DYLIB ||
+ Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
+ Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
+ MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command);
+ if (Dl.dylib.name < Dl.cmdsize) {
+ auto *P = static_cast<const char*>(Command.Ptr) + Dl.dylib.name;
+ Libs.push_back(P);
+ }
+ }
+ }
+
+ llvm::stable_sort(Libs);
+
+ for (const auto &L : Libs) {
+ W.startLine() << L << "\n";
+ }
+}
+
+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;
+ case MachO::LC_BUILD_VERSION:
+ Cmd = "LC_BUILD_VERSION";
+ break;
+ default:
+ continue;
+ }
+
+ DictScope Group(W, "MinVersion");
+ // Handle LC_BUILD_VERSION.
+ if (Load.C.cmd == MachO::LC_BUILD_VERSION) {
+ MachO::build_version_command BVC = Obj->getBuildVersionLoadCommand(Load);
+ W.printString("Cmd", Cmd);
+ W.printNumber("Size", BVC.cmdsize);
+ W.printString("Platform",
+ MachOObjectFile::getBuildPlatform(BVC.platform));
+ W.printString("Version", MachOObjectFile::getVersionString(BVC.minos));
+ if (BVC.sdk)
+ W.printString("SDK", MachOObjectFile::getVersionString(BVC.sdk));
+ else
+ W.printString("SDK", StringRef("n/a"));
+ continue;
+ }
+
+ MachO::version_min_command VMC = Obj->getVersionMinLoadCommand(Load);
+ 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;
+ }
+ }
+ }
+}