go/src/cmd/internal/objabi/util.go

const ElfRelocOffset …

const MachoRelocOffset …

const GlobalDictPrefix …

// HeaderString returns the toolchain configuration string written in
// Go object headers. This string ensures we don't attempt to import
// or link object files that are incompatible with each other. This
// string always starts with "go object ".
func HeaderString() string { … }