package macho

import "cmd/internal/macho"

Package macho provides functionalities to handle Mach-O beyond the debug/macho package, for the toolchain.

Index

Constants 

const (
	LC_SEGMENT                  = 0x1
	LC_SYMTAB                   = 0x2
	LC_SYMSEG                   = 0x3
	LC_THREAD                   = 0x4
	LC_UNIXTHREAD               = 0x5
	LC_LOADFVMLIB               = 0x6
	LC_IDFVMLIB                 = 0x7
	LC_IDENT                    = 0x8
	LC_FVMFILE                  = 0x9
	LC_PREPAGE                  = 0xa
	LC_DYSYMTAB                 = 0xb
	LC_LOAD_DYLIB               = 0xc
	LC_ID_DYLIB                 = 0xd
	LC_LOAD_DYLINKER            = 0xe
	LC_ID_DYLINKER              = 0xf
	LC_PREBOUND_DYLIB           = 0x10
	LC_ROUTINES                 = 0x11
	LC_SUB_FRAMEWORK            = 0x12
	LC_SUB_UMBRELLA             = 0x13
	LC_SUB_CLIENT               = 0x14
	LC_SUB_LIBRARY              = 0x15
	LC_TWOLEVEL_HINTS           = 0x16
	LC_PREBIND_CKSUM            = 0x17
	LC_LOAD_WEAK_DYLIB          = 0x80000018
	LC_SEGMENT_64               = 0x19
	LC_ROUTINES_64              = 0x1a
	LC_UUID                     = 0x1b
	LC_RPATH                    = 0x8000001c
	LC_CODE_SIGNATURE           = 0x1d
	LC_SEGMENT_SPLIT_INFO       = 0x1e
	LC_REEXPORT_DYLIB           = 0x8000001f
	LC_LAZY_LOAD_DYLIB          = 0x20
	LC_ENCRYPTION_INFO          = 0x21
	LC_DYLD_INFO                = 0x22
	LC_DYLD_INFO_ONLY           = 0x80000022
	LC_LOAD_UPWARD_DYLIB        = 0x80000023
	LC_VERSION_MIN_MACOSX       = 0x24
	LC_VERSION_MIN_IPHONEOS     = 0x25
	LC_FUNCTION_STARTS          = 0x26
	LC_DYLD_ENVIRONMENT         = 0x27
	LC_MAIN                     = 0x80000028
	LC_DATA_IN_CODE             = 0x29
	LC_SOURCE_VERSION           = 0x2A
	LC_DYLIB_CODE_SIGN_DRS      = 0x2B
	LC_ENCRYPTION_INFO_64       = 0x2C
	LC_LINKER_OPTION            = 0x2D
	LC_LINKER_OPTIMIZATION_HINT = 0x2E
	LC_VERSION_MIN_TVOS         = 0x2F
	LC_VERSION_MIN_WATCHOS      = 0x30
	LC_VERSION_NOTE             = 0x31
	LC_BUILD_VERSION            = 0x32
	LC_DYLD_EXPORTS_TRIE        = 0x80000033
	LC_DYLD_CHAINED_FIXUPS      = 0x80000034
)

Functions

func FileHeaderSize 

func FileHeaderSize(f *macho.File) int64

Types

type LoadCmd 

type LoadCmd struct {
	Cmd macho.LoadCmd
	Len uint32
}

LoadCmd is macho.LoadCmd with its length, which is also the load command header in the Mach-O file.

type LoadCmdReader 

type LoadCmdReader struct {
	// contains filtered or unexported fields
}

func NewLoadCmdReader 

func NewLoadCmdReader(f io.ReadSeeker, order binary.ByteOrder, nextOffset int64) LoadCmdReader

func (*LoadCmdReader) Next 

func (r *LoadCmdReader) Next() (LoadCmd, error)

func (LoadCmdReader) Offset 

func (r LoadCmdReader) Offset() int64

func (LoadCmdReader) ReadAt 

func (r LoadCmdReader) ReadAt(offset int64, data any) error

type LoadCmdUpdater 

type LoadCmdUpdater struct {
	LoadCmdReader
}

func NewLoadCmdUpdater 

func NewLoadCmdUpdater(f io.ReadWriteSeeker, order binary.ByteOrder, nextOffset int64) LoadCmdUpdater

func (LoadCmdUpdater) WriteAt 

func (u LoadCmdUpdater) WriteAt(offset int64, data any) error

Source Files

macho.go

Version
v1.26.1
Published
Mar 5, 2026
Platform
darwin/amd64
Imports
4 packages
Last checked
36 seconds ago –

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