Simplified executable file formats

src/exe/macho/Segment64.go

@@ -0,0 +1,18 @@
+package macho
+
+const Segment64Size = 72
+
+// 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
+}