Improved mac support

src/macho/MachO.go

@@ -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)))
-	}
-}