From ee0d89245eabf93d89b5fef7ac8707680796826d Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Sat, 13 Mar 2010 22:10:17 +0000 Subject: [PATCH] MC/Mach-O: Initial x86_64 support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98454 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/MC/MCAssembler.cpp | 125 ++-- .../MachO/{sections.s => x86_32-sections.s} | 10 +- test/MC/MachO/x86_64-sections.s | 561 ++++++++++++++++++ 3 files changed, 644 insertions(+), 52 deletions(-) rename test/MC/MachO/{sections.s => x86_32-sections.s} (98%) create mode 100644 test/MC/MachO/x86_64-sections.s diff --git a/lib/MC/MCAssembler.cpp b/lib/MC/MCAssembler.cpp index 29ac8684bde..dae2d9336cb 100644 --- a/lib/MC/MCAssembler.cpp +++ b/lib/MC/MCAssembler.cpp @@ -24,6 +24,7 @@ #include "llvm/Support/MachO.h" #include "llvm/Support/raw_ostream.h" #include "llvm/Support/Debug.h" +#include "llvm/Target/TargetRegistry.h" #include "llvm/Target/TargetAsmBackend.h" // FIXME: Gross. @@ -86,14 +87,19 @@ class MachObjectWriter { Header_Magic64 = 0xFEEDFACF }; - static const unsigned Header32Size = 28; - static const unsigned Header64Size = 32; - static const unsigned SegmentLoadCommand32Size = 56; - static const unsigned Section32Size = 68; - static const unsigned SymtabLoadCommandSize = 24; - static const unsigned DysymtabLoadCommandSize = 80; - static const unsigned Nlist32Size = 12; - static const unsigned RelocationInfoSize = 8; + enum { + Header32Size = 28, + Header64Size = 32, + SegmentLoadCommand32Size = 56, + SegmentLoadCommand64Size = 72, + Section32Size = 68, + Section64Size = 80, + SymtabLoadCommandSize = 24, + DysymtabLoadCommandSize = 80, + Nlist32Size = 12, + Nlist64Size = 16, + RelocationInfoSize = 8 + }; enum HeaderFileType { HFT_Object = 0x1 @@ -106,7 +112,8 @@ class MachObjectWriter { enum LoadCommandType { LCT_Segment = 0x1, LCT_Symtab = 0x2, - LCT_Dysymtab = 0xb + LCT_Dysymtab = 0xb, + LCT_Segment64 = 0x19 }; // See . @@ -161,11 +168,12 @@ class MachObjectWriter { }; raw_ostream &OS; - bool IsLSB; + unsigned Is64Bit : 1; + unsigned IsLSB : 1; public: - MachObjectWriter(raw_ostream &_OS, bool _IsLSB = true) - : OS(_OS), IsLSB(_IsLSB) { + MachObjectWriter(raw_ostream &_OS, bool _Is64Bit, bool _IsLSB = true) + : OS(_OS), Is64Bit(_Is64Bit), IsLSB(_IsLSB) { } /// @name Helper Methods @@ -222,22 +230,23 @@ public: /// @} - void WriteHeader32(unsigned NumLoadCommands, unsigned LoadCommandsSize, - bool SubsectionsViaSymbols) { + void WriteHeader(unsigned NumLoadCommands, unsigned LoadCommandsSize, + bool SubsectionsViaSymbols) { uint32_t Flags = 0; if (SubsectionsViaSymbols) Flags |= HF_SubsectionsViaSymbols; - // struct mach_header (28 bytes) + // struct mach_header (28 bytes) or + // struct mach_header_64 (32 bytes) uint64_t Start = OS.tell(); (void) Start; - Write32(Header_Magic32); + Write32(Is64Bit ? Header_Magic64 : Header_Magic32); // FIXME: Support cputype. - Write32(MachO::CPUTypeI386); + Write32(Is64Bit ? MachO::CPUTypeX86_64 : MachO::CPUTypeI386); // FIXME: Support cpusubtype. Write32(MachO::CPUSubType_I386_ALL); Write32(HFT_Object); @@ -245,48 +254,62 @@ public: // segment. Write32(LoadCommandsSize); Write32(Flags); + if (Is64Bit) + Write32(0); // reserved - assert(OS.tell() - Start == Header32Size); + assert(OS.tell() - Start == Is64Bit ? Header64Size : Header32Size); } - /// WriteSegmentLoadCommand32 - Write a 32-bit segment load command. + /// WriteSegmentLoadCommand - Write a segment load command. /// /// \arg NumSections - The number of sections in this segment. /// \arg SectionDataSize - The total size of the sections. - void WriteSegmentLoadCommand32(unsigned NumSections, - uint64_t VMSize, - uint64_t SectionDataStartOffset, - uint64_t SectionDataSize) { - // struct segment_command (56 bytes) + void WriteSegmentLoadCommand(unsigned NumSections, + uint64_t VMSize, + uint64_t SectionDataStartOffset, + uint64_t SectionDataSize) { + // struct segment_command (56 bytes) or + // struct segment_command_64 (72 bytes) uint64_t Start = OS.tell(); (void) Start; - Write32(LCT_Segment); - Write32(SegmentLoadCommand32Size + NumSections * Section32Size); + unsigned SegmentLoadCommandSize = Is64Bit ? SegmentLoadCommand64Size : + SegmentLoadCommand32Size; + Write32(Is64Bit ? LCT_Segment64 : LCT_Segment); + Write32(SegmentLoadCommandSize + + NumSections * (Is64Bit ? Section64Size : Section32Size)); WriteString("", 16); - Write32(0); // vmaddr - Write32(VMSize); // vmsize - Write32(SectionDataStartOffset); // file offset - Write32(SectionDataSize); // file size + if (Is64Bit) { + Write64(0); // vmaddr + Write64(VMSize); // vmsize + Write64(SectionDataStartOffset); // file offset + Write64(SectionDataSize); // file size + } else { + Write32(0); // vmaddr + Write32(VMSize); // vmsize + Write32(SectionDataStartOffset); // file offset + Write32(SectionDataSize); // file size + } Write32(0x7); // maxprot Write32(0x7); // initprot Write32(NumSections); Write32(0); // flags - assert(OS.tell() - Start == SegmentLoadCommand32Size); + assert(OS.tell() - Start == SegmentLoadCommandSize); } - void WriteSection32(const MCSectionData &SD, uint64_t FileOffset, - uint64_t RelocationsStart, unsigned NumRelocations) { + void WriteSection(const MCSectionData &SD, uint64_t FileOffset, + uint64_t RelocationsStart, unsigned NumRelocations) { // The offset is unused for virtual sections. if (isVirtualSection(SD.getSection())) { assert(SD.getFileSize() == 0 && "Invalid file size!"); FileOffset = 0; } - // struct section (68 bytes) + // struct section (68 bytes) or + // struct section_64 (80 bytes) uint64_t Start = OS.tell(); (void) Start; @@ -296,8 +319,13 @@ public: static_cast(SD.getSection()); WriteString(Section.getSectionName(), 16); WriteString(Section.getSegmentName(), 16); - Write32(SD.getAddress()); // address - Write32(SD.getSize()); // size + if (Is64Bit) { + Write64(SD.getAddress()); // address + Write64(SD.getSize()); // size + } else { + Write32(SD.getAddress()); // address + Write32(SD.getSize()); // size + } Write32(FileOffset); unsigned Flags = Section.getTypeAndAttributes(); @@ -311,8 +339,10 @@ public: Write32(Flags); Write32(0); // reserved1 Write32(Section.getStubSize()); // reserved2 + if (Is64Bit) + Write32(0); // reserved3 - assert(OS.tell() - Start == Section32Size); + assert(OS.tell() - Start == Is64Bit ? Section64Size : Section32Size); } void WriteSymtabLoadCommand(uint32_t SymbolOffset, uint32_t NumSymbols, @@ -748,7 +778,8 @@ public: // The section data starts after the header, the segment load command (and // section headers) and the symbol table. unsigned NumLoadCommands = 1; - uint64_t LoadCommandsSize = + uint64_t LoadCommandsSize = Is64Bit ? + SegmentLoadCommand64Size + NumSections * Section64Size : SegmentLoadCommand32Size + NumSections * Section32Size; // Add the symbol table load command sizes, if used. @@ -759,7 +790,8 @@ public: // Compute the total size of the section data, as well as its file size and // vm size. - uint64_t SectionDataStart = Header32Size + LoadCommandsSize; + uint64_t SectionDataStart = (Is64Bit ? Header64Size : Header32Size) + + LoadCommandsSize; uint64_t SectionDataSize = 0; uint64_t SectionDataFileSize = 0; uint64_t VMSize = 0; @@ -785,10 +817,10 @@ public: SectionDataFileSize += SectionDataPadding; // Write the prolog, starting with the header and load command... - WriteHeader32(NumLoadCommands, LoadCommandsSize, - Asm.getSubsectionsViaSymbols()); - WriteSegmentLoadCommand32(NumSections, VMSize, - SectionDataStart, SectionDataSize); + WriteHeader(NumLoadCommands, LoadCommandsSize, + Asm.getSubsectionsViaSymbols()); + WriteSegmentLoadCommand(NumSections, VMSize, + SectionDataStart, SectionDataSize); // ... and then the section headers. // @@ -815,7 +847,7 @@ public: unsigned NumRelocs = RelocInfos.size() - NumRelocsStart; uint64_t SectionStart = SectionDataStart + SD.getAddress(); - WriteSection32(SD, SectionStart, RelocTableEnd, NumRelocs); + WriteSection(SD, SectionStart, RelocTableEnd, NumRelocs); RelocTableEnd += NumRelocs * RelocationInfoSize; } @@ -1284,7 +1316,10 @@ void MCAssembler::Finish() { dump(); }); // Write the object file. - MachObjectWriter MOW(OS); + // + // FIXME: Factor out MCObjectWriter. + bool Is64Bit = StringRef(getBackend().getTarget().getName()) == "x86-64"; + MachObjectWriter MOW(OS, Is64Bit); MOW.WriteObject(*this); OS.flush(); diff --git a/test/MC/MachO/sections.s b/test/MC/MachO/x86_32-sections.s similarity index 98% rename from test/MC/MachO/sections.s rename to test/MC/MachO/x86_32-sections.s index a7bcd2170f0..66ada2807ef 100644 --- a/test/MC/MachO/sections.s +++ b/test/MC/MachO/x86_32-sections.s @@ -36,13 +36,9 @@ .objc_class_vars .objc_instance_vars .objc_module_info - -// FIXME: These are aliases for __TEXT, __cstring which we don't properly unique -// yet. -// .objc_class_names -// .objc_meth_var_types -// .objc_meth_var_names - + .objc_class_names + .objc_meth_var_types + .objc_meth_var_names .objc_selector_strs .section __TEXT,__picsymbolstub4,symbol_stubs,none,16 diff --git a/test/MC/MachO/x86_64-sections.s b/test/MC/MachO/x86_64-sections.s new file mode 100644 index 00000000000..8efd35e6cbf --- /dev/null +++ b/test/MC/MachO/x86_64-sections.s @@ -0,0 +1,561 @@ +// RUN: llvm-mc -triple x86_64-apple-darwin10 %s -filetype=obj -o - | macho-dump | FileCheck %s + + .text + .section __TEXT,__text,regular,pure_instructions + + .const + .static_const + .cstring + .literal4 + .literal8 + .literal16 + .constructor + .destructor + .data + .static_data + .dyld + .mod_init_func + .mod_term_func + .const_data + .objc_class + .objc_meta_class + .objc_cat_cls_meth + .objc_cat_inst_meth + .objc_protocol + .objc_string_object + .objc_cls_meth + .objc_inst_meth + .objc_cls_refs + .objc_message_refs + .objc_symbols + .objc_category + .objc_class_vars + .objc_instance_vars + .objc_module_info + .objc_class_names + .objc_meth_var_types + .objc_meth_var_names + .objc_selector_strs + + .subsections_via_symbols + +// CHECK: ('cputype', 16777223) +// CHECK: ('cpusubtype', 3) +// CHECK: ('filetype', 1) +// CHECK: ('num_load_commands', 1) +// CHECK: ('load_commands_size', 2552) +// CHECK: ('flag', 8192) +// CHECK: ('reserved', 0) +// CHECK: ('load_commands', [ +// CHECK: # Load Command 0 +// CHECK: (('command', 25) +// CHECK: ('size', 2552) +// CHECK: ('segment_name', '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('vm_addr', 0) +// CHECK: ('vm_size', 0) +// CHECK: ('file_offset', 2584) +// CHECK: ('file_size', 0) +// CHECK: ('maxprot', 7) +// CHECK: ('initprot', 7) +// CHECK: ('num_sections', 31) +// CHECK: ('flags', 0) +// CHECK: ('sections', [ +// CHECK: # Section 0 +// CHECK: (('section_name', '__text\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x80000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 1 +// CHECK: (('section_name', '__const\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 2 +// CHECK: (('section_name', '__static_const\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 3 +// CHECK: (('section_name', '__cstring\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x2) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 4 +// CHECK: (('section_name', '__literal4\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 2) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x3) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 5 +// CHECK: (('section_name', '__literal8\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 3) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x4) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 6 +// CHECK: (('section_name', '__literal16\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 4) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0xe) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 7 +// CHECK: (('section_name', '__constructor\x00\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 8 +// CHECK: (('section_name', '__destructor\x00\x00\x00\x00') +// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 9 +// CHECK: (('section_name', '__data\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 10 +// CHECK: (('section_name', '__static_data\x00\x00\x00') +// CHECK: ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 11 +// CHECK: (('section_name', '__dyld\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 12 +// CHECK: (('section_name', '__mod_init_func\x00') +// CHECK: ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 2) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x9) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 13 +// CHECK: (('section_name', '__mod_term_func\x00') +// CHECK: ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 2) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0xa) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 14 +// CHECK: (('section_name', '__const\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 15 +// CHECK: (('section_name', '__class\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 16 +// CHECK: (('section_name', '__meta_class\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 17 +// CHECK: (('section_name', '__cat_cls_meth\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 18 +// CHECK: (('section_name', '__cat_inst_meth\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 19 +// CHECK: (('section_name', '__protocol\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 20 +// CHECK: (('section_name', '__string_object\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 21 +// CHECK: (('section_name', '__cls_meth\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 22 +// CHECK: (('section_name', '__inst_meth\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 23 +// CHECK: (('section_name', '__cls_refs\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 2) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000005) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 24 +// CHECK: (('section_name', '__message_refs\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 2) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000005) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 25 +// CHECK: (('section_name', '__symbols\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 26 +// CHECK: (('section_name', '__category\x00\x00\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 27 +// CHECK: (('section_name', '__class_vars\x00\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 28 +// CHECK: (('section_name', '__instance_vars\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 29 +// CHECK: (('section_name', '__module_info\x00\x00\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x10000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: # Section 30 +// CHECK: (('section_name', '__selector_strs\x00') +// CHECK: ('segment_name', '__OBJC\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') +// CHECK: ('address', 0) +// CHECK: ('size', 0) +// CHECK: ('offset', 2584) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x2) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ('reserved3', 0) +// CHECK: ), +// CHECK: ('_relocations', [ +// CHECK: ]) +// CHECK: ]) +// CHECK: ), +// CHECK: ])