aboutsummaryrefslogtreecommitdiffstats
path: root/tools/llvm-readobj/MachODumper.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tools/llvm-readobj/MachODumper.cpp')
-rw-r--r--tools/llvm-readobj/MachODumper.cpp202
1 files changed, 189 insertions, 13 deletions
diff --git a/tools/llvm-readobj/MachODumper.cpp b/tools/llvm-readobj/MachODumper.cpp
index a5e5cf8..7e8fdad 100644
--- a/tools/llvm-readobj/MachODumper.cpp
+++ b/tools/llvm-readobj/MachODumper.cpp
@@ -31,14 +31,17 @@ public:
: ObjDumper(Writer)
, Obj(Obj) { }
- 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;
private:
+ template<class MachHeader>
+ void printFileHeaders(const MachHeader &Header);
+
void printSymbol(const SymbolRef &Symbol);
void printRelocation(const RelocationRef &Reloc);
@@ -68,6 +71,137 @@ std::error_code createMachODumper(const object::ObjectFile *Obj,
} // namespace llvm
+static 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 },
+};
+
+static 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 },
+};
+
+static 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 },
+};
+
+static 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),
+};
+
+static 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),
+};
+
+static 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),
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesARM64[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_ARM64_ALL),
+};
+
+static const EnumEntry<uint32_t> MachOHeaderCpuSubtypesSPARC[] = {
+ LLVM_READOBJ_ENUM_ENT(MachO, CPU_SUBTYPE_SPARC_ALL),
+};
+
+static 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),
+};
+
+static 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),
+};
static const EnumEntry<unsigned> MachOSectionTypes[] = {
{ "Regular" , 0x00 },
@@ -205,7 +339,47 @@ static void getSymbol(const MachOObjectFile *Obj,
}
void MachODumper::printFileHeaders() {
- W.startLine() << "FileHeaders not implemented.\n";
+ 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::printSections() {
@@ -257,8 +431,7 @@ void MachODumper::printSections(const MachOObjectFile *Obj) {
if (opts::SectionSymbols) {
ListScope D(W, "Symbols");
for (const SymbolRef &Symbol : Obj->symbols()) {
- bool Contained = false;
- if (Section.containsSymbol(Symbol, Contained) || !Contained)
+ if (!Section.containsSymbol(Symbol))
continue;
printSymbol(Symbol);
@@ -266,11 +439,14 @@ void MachODumper::printSections(const MachOObjectFile *Obj) {
}
if (opts::SectionData) {
- StringRef Data;
- if (error(Section.getContents(Data)))
- break;
+ bool IsBSS = Section.isBSS();
+ if (!IsBSS) {
+ StringRef Data;
+ if (error(Section.getContents(Data)))
+ break;
- W.printBinaryBlock("SectionData", Data);
+ W.printBinaryBlock("SectionData", Data);
+ }
}
}
}
generated by cgit v1.1 at 2024-05-16 18:00:26 +0000