Format
Mach-O
Summary
- Name
- Mach-O
- Version
- 32bit
- Identifiers
- PUID: fmt/692
- Description
- Mach-O is a standard used to store programs and libraries on disk in the Apple Mac app binary interface. Mach-O files generally lack a format extension.
- Submitted by
- Digital Preservation Department / The National Archives
- Developed by
- Apple Computer, Inc.
- Supported by
- Apple Computer, Inc.
Internal signatures
Mach-O 32bit 1
- Description
- BOF: þíúÎ (0xFEEDFACE)
- Provenance
- http://llvm.org/docs/doxygen/html/Support_2MachO_8h_source.html https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/MachORuntime/index.html
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
FEEDFACE- Endianness
- None
Mach-O 32bit 2
- Description
- BOF: Îúíþ (0xCEFAEDFE)
- Provenance
- http://llvm.org/docs/doxygen/html/Support_2MachO_8h_source.html https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/MachORuntime/index.html
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
CEFAEDFE- Endianness
- None
Changelog
-
V81
- Release date
- 18 February 2015
-
Added format
Mach-O 32bit: Outline entry added.
-
Added signature
Mach-O 32bit: New signature. Inspired by research conducted by Ange Albertini.