Improved mac support
This commit is contained in:
@ -1,10 +0,0 @@
|
||||
package macho
|
||||
|
||||
type CPU uint32
|
||||
|
||||
const (
|
||||
CPU_X86 CPU = 7
|
||||
CPU_X86_64 CPU = CPU_X86 | 0x01000000
|
||||
CPU_ARM CPU = 12
|
||||
CPU_ARM_64 CPU = CPU_ARM | 0x01000000
|
||||
)
|
||||
@ -1,13 +0,0 @@
|
||||
package macho
|
||||
|
||||
// Header contains general information.
|
||||
type Header struct {
|
||||
Magic uint32
|
||||
Architecture CPU
|
||||
MicroArchitecture uint32
|
||||
Type HeaderType
|
||||
NumCommands uint32
|
||||
SizeCommands uint32
|
||||
Flags HeaderFlags
|
||||
Reserved uint32
|
||||
}
|
||||
@ -1,32 +0,0 @@
|
||||
package macho
|
||||
|
||||
type HeaderFlags uint32
|
||||
|
||||
const (
|
||||
FlagNoUndefs HeaderFlags = 0x1
|
||||
FlagIncrLink HeaderFlags = 0x2
|
||||
FlagDyldLink HeaderFlags = 0x4
|
||||
FlagBindAtLoad HeaderFlags = 0x8
|
||||
FlagPrebound HeaderFlags = 0x10
|
||||
FlagSplitSegs HeaderFlags = 0x20
|
||||
FlagLazyInit HeaderFlags = 0x40
|
||||
FlagTwoLevel HeaderFlags = 0x80
|
||||
FlagForceFlat HeaderFlags = 0x100
|
||||
FlagNoMultiDefs HeaderFlags = 0x200
|
||||
FlagNoFixPrebinding HeaderFlags = 0x400
|
||||
FlagPrebindable HeaderFlags = 0x800
|
||||
FlagAllModsBound HeaderFlags = 0x1000
|
||||
FlagSubsectionsViaSymbols HeaderFlags = 0x2000
|
||||
FlagCanonical HeaderFlags = 0x4000
|
||||
FlagWeakDefines HeaderFlags = 0x8000
|
||||
FlagBindsToWeak HeaderFlags = 0x10000
|
||||
FlagAllowStackExecution HeaderFlags = 0x20000
|
||||
FlagRootSafe HeaderFlags = 0x40000
|
||||
FlagSetuidSafe HeaderFlags = 0x80000
|
||||
FlagNoReexportedDylibs HeaderFlags = 0x100000
|
||||
FlagPIE HeaderFlags = 0x200000
|
||||
FlagDeadStrippableDylib HeaderFlags = 0x400000
|
||||
FlagHasTLVDescriptors HeaderFlags = 0x800000
|
||||
FlagNoHeapExecution HeaderFlags = 0x1000000
|
||||
FlagAppExtensionSafe HeaderFlags = 0x2000000
|
||||
)
|
||||
@ -1,12 +0,0 @@
|
||||
package macho
|
||||
|
||||
type HeaderType uint32
|
||||
|
||||
const (
|
||||
TypeObject HeaderType = 0x1
|
||||
TypeExecute HeaderType = 0x2
|
||||
TypeCore HeaderType = 0x4
|
||||
TypeDylib HeaderType = 0x6
|
||||
TypeBundle HeaderType = 0x8
|
||||
TypeDsym HeaderType = 0xA
|
||||
)
|
||||
@ -1,34 +0,0 @@
|
||||
package macho
|
||||
|
||||
type LoadCommand uint32
|
||||
|
||||
const (
|
||||
LcSegment LoadCommand = 0x1
|
||||
LcSymtab LoadCommand = 0x2
|
||||
LcThread LoadCommand = 0x4
|
||||
LcUnixthread LoadCommand = 0x5
|
||||
LcDysymtab LoadCommand = 0xB
|
||||
LcDylib LoadCommand = 0xC
|
||||
LcIdDylib LoadCommand = 0xD
|
||||
LcLoadDylinker LoadCommand = 0xE
|
||||
LcIdDylinker LoadCommand = 0xF
|
||||
LcSegment64 LoadCommand = 0x19
|
||||
LcUuid LoadCommand = 0x1B
|
||||
LcCodeSignature LoadCommand = 0x1D
|
||||
LcSegmentSplitInfo LoadCommand = 0x1E
|
||||
LcRpath LoadCommand = 0x8000001C
|
||||
LcEncryptionInfo LoadCommand = 0x21
|
||||
LcDyldInfo LoadCommand = 0x22
|
||||
LcDyldInfoOnly LoadCommand = 0x80000022
|
||||
LcVersionMinMacosx LoadCommand = 0x24
|
||||
LcVersionMinIphoneos LoadCommand = 0x25
|
||||
LcFunctionStarts LoadCommand = 0x26
|
||||
LcDyldEnvironment LoadCommand = 0x27
|
||||
LcMain LoadCommand = 0x80000028
|
||||
LcDataInCode LoadCommand = 0x29
|
||||
LcSourceVersion LoadCommand = 0x2A
|
||||
LcDylibCodeSignDrs LoadCommand = 0x2B
|
||||
LcEncryptionInfo64 LoadCommand = 0x2C
|
||||
LcVersionMinTvos LoadCommand = 0x2F
|
||||
LcVersionMinWatchos LoadCommand = 0x30
|
||||
)
|
||||
@ -1,107 +0,0 @@
|
||||
package macho
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"io"
|
||||
|
||||
"git.akyoto.dev/cli/q/src/config"
|
||||
)
|
||||
|
||||
// MachO is the executable format used on MacOS.
|
||||
type MachO struct {
|
||||
Header
|
||||
Code []byte
|
||||
Data []byte
|
||||
}
|
||||
|
||||
// New creates a new Mach-O binary.
|
||||
func New(code []byte, data []byte) *MachO {
|
||||
return &MachO{
|
||||
Header: Header{
|
||||
Magic: 0xFEEDFACF,
|
||||
Architecture: CPU_X86_64,
|
||||
MicroArchitecture: 0x80000003,
|
||||
Type: TypeExecute,
|
||||
NumCommands: 3,
|
||||
SizeCommands: 0x48*2 + 184,
|
||||
Flags: FlagNoUndefs,
|
||||
Reserved: 0,
|
||||
},
|
||||
Code: code,
|
||||
Data: data,
|
||||
}
|
||||
}
|
||||
|
||||
// Write writes the Mach-O format to the given writer.
|
||||
func (m *MachO) Write(writer io.Writer) {
|
||||
binary.Write(writer, binary.LittleEndian, &m.Header)
|
||||
|
||||
binary.Write(writer, binary.LittleEndian, &Segment64{
|
||||
LoadCommand: LcSegment64,
|
||||
Length: 0x48,
|
||||
Name: [16]byte{'_', '_', 'P', 'A', 'G', 'E', 'Z', 'E', 'R', 'O'},
|
||||
Address: 0,
|
||||
SizeInMemory: config.BaseAddress,
|
||||
Offset: 0,
|
||||
SizeInFile: 0,
|
||||
NumSections: 0,
|
||||
Flag: 0,
|
||||
MaxProt: 0,
|
||||
InitProt: 0,
|
||||
})
|
||||
|
||||
codeStart := 32 + m.Header.SizeCommands
|
||||
totalSize := uint64(codeStart) + uint64(len(m.Code))
|
||||
|
||||
binary.Write(writer, binary.LittleEndian, &Segment64{
|
||||
LoadCommand: LcSegment64,
|
||||
Length: 0x48,
|
||||
Name: [16]byte{'_', '_', 'T', 'E', 'X', 'T'},
|
||||
Address: config.BaseAddress,
|
||||
SizeInMemory: totalSize,
|
||||
Offset: 0,
|
||||
SizeInFile: totalSize,
|
||||
NumSections: 0,
|
||||
Flag: 0,
|
||||
MaxProt: ProtReadable | ProtWritable | ProtExecutable,
|
||||
InitProt: ProtReadable | ProtExecutable,
|
||||
})
|
||||
|
||||
binary.Write(writer, binary.LittleEndian, &Thread{
|
||||
LoadCommand: LcUnixthread,
|
||||
Len: 184,
|
||||
Type: 0x4,
|
||||
})
|
||||
|
||||
binary.Write(writer, binary.LittleEndian, []uint32{
|
||||
42,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
config.BaseAddress + uint32(codeStart), 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
0, 0,
|
||||
})
|
||||
|
||||
writer.Write(m.Code)
|
||||
|
||||
if totalSize < 4096 {
|
||||
writer.Write(bytes.Repeat([]byte{0}, 4096-int(totalSize)))
|
||||
}
|
||||
}
|
||||
@ -1,9 +0,0 @@
|
||||
package macho
|
||||
|
||||
type Prot uint32
|
||||
|
||||
const (
|
||||
ProtReadable Prot = 0x1
|
||||
ProtWritable Prot = 0x2
|
||||
ProtExecutable Prot = 0x4
|
||||
)
|
||||
@ -1,16 +0,0 @@
|
||||
package macho
|
||||
|
||||
// Segment64 is a segment load command.
|
||||
type Segment64 struct {
|
||||
LoadCommand
|
||||
Length uint32
|
||||
Name [16]byte
|
||||
Address uint64
|
||||
SizeInMemory uint64
|
||||
Offset uint64
|
||||
SizeInFile uint64
|
||||
MaxProt Prot
|
||||
InitProt Prot
|
||||
NumSections uint32
|
||||
Flag uint32
|
||||
}
|
||||
@ -1,8 +0,0 @@
|
||||
package macho
|
||||
|
||||
// Thread is a thread state load command.
|
||||
type Thread struct {
|
||||
LoadCommand
|
||||
Len uint32
|
||||
Type uint32
|
||||
}
|
||||
Reference in New Issue
Block a user