Mach-O binary format

E773465
binary file format executable and object file format

The Mach-O binary format is the native executable and object file format used by macOS and iOS systems for programs, libraries, and related binary code.

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Observed surface forms (1)

Surface form Occurrences
Mach-O 4

Statements (51)

Predicate Object
instanceOf binary file format ⓘ
executable and object file format ⓘ
definedIn Apple developer documentation NERFINISHED ⓘ
fatFileAlsoCalled universal binary ⓘ
fatFilePurpose store multiple architectures in one file ⓘ
hasComponent Mach header NERFINISHED ⓘ
code signature blob ⓘ
dylinker information ⓘ
load commands ⓘ
relocation entries ⓘ
sections ⓘ
segments ⓘ
string table ⓘ
symbol table ⓘ
hasVariant fat Mach-O file ⓘ
thin Mach-O file ⓘ
introducedBy NeXTSTEP operating system NERFINISHED ⓘ
maintainedBy Apple Inc. NERFINISHED ⓘ
replacedFormat a.out NERFINISHED ⓘ
supports 32-bit architectures ⓘ
64-bit architectures ⓘ
supportsArchitecture ARM NERFINISHED ⓘ
ARM64 ⓘ
PowerPC NERFINISHED ⓘ
x86 ⓘ
x86_64 ⓘ
supportsFeature code signing ⓘ
debug information ⓘ
dynamic linking ⓘ
position-independent code ⓘ
symbol tables ⓘ
usedByKernel XNU kernel NERFINISHED ⓘ
usedByOperatingSystem iOS NERFINISHED ⓘ
iPadOS NERFINISHED ⓘ
macOS NERFINISHED ⓘ
tvOS NERFINISHED ⓘ
watchOS NERFINISHED ⓘ
usedByTool dyld dynamic linker NERFINISHED ⓘ
lldb NERFINISHED ⓘ
nm ⓘ
otool NERFINISHED ⓘ
usedByToolchain Clang NERFINISHED ⓘ
LLVM linker (ld64, lld-macho) NERFINISHED ⓘ
Xcode NERFINISHED ⓘ
usedFor core dumps ⓘ
dynamic libraries ⓘ
executables ⓘ
kernel extensions ⓘ
object files ⓘ
shared libraries ⓘ
usesEndianness little-endian ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Universal 2 binary format → basedOn → Mach-O binary format ⓘ
dyld → binaryFormat → Mach-O binary format ⓘ
this entity surface form: Mach-O
LLD linker → supportsFormat → Mach-O binary format ⓘ
subject surface form: LLD
this entity surface form: Mach-O
GNU As → supportsFormat → Mach-O binary format ⓘ
this entity surface form: Mach-O
nm → typicalFileFormat → Mach-O binary format ⓘ
this entity surface form: Mach-O