lmacho

package
v0.9.0 Latest Latest
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 Go to latest Published: May 13, 2024 License: MIT Imports: 7 Imported by: 0

Documentation

Index

Constants

View Source 
const MagicFat = macho.MagicFat
View Source 
const MagicFat64 = macho.MagicFat + 1

Variables

View Source 
var (
	ErrThin = errors.New("the file is thin file, not fat")
)

Functions

func CmpArchFunc 

func CmpArchFunc[T Object](i, j T) int

https://github.com/apple-oss-distributions/cctools/blob/cctools-973.0.1/misc/lipo.c#L2677

func CpuNames 

func CpuNames() []string

func Create 

func Create[T Object](w io.Writer, objects []T, fat64 bool, hideARM64 bool) error

func FatArchHeaderSize 

func FatArchHeaderSize(magic uint32) uint64

func FatHeaderSize 

func FatHeaderSize() uint64

func GuessAlignBit 

func GuessAlignBit(addr uint64, min, max uint32) uint32

func IsSupportedCpu 

func IsSupportedCpu(v string) bool

func SegmentAlignBit 

func SegmentAlignBit(f *macho.File) uint32

func ToCpu 

func ToCpu(v string) (cpu Cpu, sub SubCpu, ok bool)

func ToCpuString 

func ToCpuString(cpu Cpu, subCpu SubCpu) string

func ToCpuValues 

func ToCpuValues(c Cpu, s SubCpu) (cpu string, sub string)

Types

type Arch 

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

Arch presents an object of thin file

func NewArch 

func NewArch(sr *io.SectionReader) (*Arch, error)

func (*Arch) Align 

func (a *Arch) Align() uint32

func (*Arch) CPU 

func (a *Arch) CPU() Cpu

func (*Arch) CPUString 

func (a *Arch) CPUString() string

func (*Arch) Read 

func (a *Arch) Read(p []byte) (int, error)

func (*Arch) ReadAt 

func (a *Arch) ReadAt(p []byte, off int64) (int, error)

func (*Arch) Seek 

func (a *Arch) Seek(offset int64, whence int) (int64, error)

func (*Arch) Size 

func (a *Arch) Size() uint64

func (*Arch) SubCPU 

func (a *Arch) SubCPU() SubCpu

func (*Arch) Type 

func (a *Arch) Type() macho.Type

type Cpu 

type Cpu = macho.Cpu
const (
	// skip
	TypeX86    Cpu = 7
	TypeI386   Cpu = TypeX86
	TypeX86_64 Cpu = TypeI386 | cpuArch64
	// skip
	TypeArm      Cpu = 12
	TypeArm64    Cpu = TypeArm | cpuArch64
	TypeArm64_32 Cpu = TypeArm | cpuArch64_32
	TypePpc      Cpu = 18
	CTypePpc64   Cpu = TypePpc | 64
)

type FatArch 

type FatArch struct {
	Hidden bool
	// contains filtered or unexported fields
}

FatArch presents an object of fat file

func (*FatArch) Align 

func (fa *FatArch) Align() uint32

func (*FatArch) CPU 

func (fa *FatArch) CPU() Cpu

func (*FatArch) CPUString 

func (fa *FatArch) CPUString() string

func (*FatArch) FatArchHeader 

func (fa *FatArch) FatArchHeader() FatArchHeader

func (*FatArch) Read 

func (fa *FatArch) Read(p []byte) (int, error)

func (*FatArch) ReadAt 

func (fa *FatArch) ReadAt(p []byte, off int64) (int, error)

func (*FatArch) Seek 

func (fa *FatArch) Seek(offset int64, whence int) (int64, error)

func (*FatArch) Size 

func (fa *FatArch) Size() uint64

func (*FatArch) SubCPU 

func (fa *FatArch) SubCPU() SubCpu

func (*FatArch) Type 

func (fa *FatArch) Type() macho.Type

type FatArchHeader 

type FatArchHeader struct {
	Cpu    Cpu
	SubCpu SubCpu
	Offset uint64
	Size   uint64
	Align  uint32
}

FatArchHeader presents an architecture header for a Macho-0 32 bit and 64 bit

type FatFile 

type FatFile struct {
	FatHeader
	Arches []*FatArch
}

func NewFatFile 

func NewFatFile(ra io.ReaderAt) (*FatFile, error)

NewFatFile is wrapper for Fat Reader

type FatHeader 

type FatHeader struct {
	Magic uint32
	NArch uint32
}

FatHeader presents a header for a fat 32 bit and fat 64 bit see /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/mach-o/fat.h

type FormatError 

type FormatError struct {
	Err error
}

func (*FormatError) Error 

func (e *FormatError) Error() string

type Object 

type Object interface {
	CPU() Cpu
	SubCPU() SubCpu
	Size() uint64
	Align() uint32
	Type() macho.Type
	CPUString() string
	io.Reader
	io.ReaderAt
}

type Reader 

type Reader struct {
	FatHeader FatHeader
	// contains filtered or unexported fields
}

func NewReader 

func NewReader(r io.ReaderAt) (*Reader, error)

func (*Reader) Next 

func (r *Reader) Next() (*FatArch, error)

type SubCpu 

type SubCpu = uint32
const (
	SubTypeX86All    SubCpu = 3
	SubTypeX86_64All SubCpu = 3
	SubTypeX86Arch1  SubCpu = 4
	SubTypeX86_64H   SubCpu = 8
)
const (
	SubTypeArmAll SubCpu = 0
	SubTypeArmV4T SubCpu = 5
	SubTypeArmV6  SubCpu = 6
	// skip
	SubTypeArmV7  SubCpu = 9
	SubTypeArmV7F SubCpu = 10
	SubTypeArmV7S SubCpu = 11
	SubTypeArmV7K SubCpu = 12
	// skip
	SubTypeArmV6M  SubCpu = 14
	SubTypeArmV7M  SubCpu = 15
	SubTypeArmV7EM SubCpu = 16
	SubTypeArmV8M  SubCpu = 17
)
const (
	SubTypeArm64All SubCpu = 0
	SubTypeArm64V8  SubCpu = 1
	SubTypeArm64E   SubCpu = 2
)
const MaskSubCpuType SubCpu = 0xff000000
const (
	SubTypeArm64_32V8 SubCpu = 1
)

Source Files

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