// symbolization.
func doLocalSymbolize(prof *profile.Profile, fast, force bool, obj plugin.ObjTool, ui plugin.UI) error {
	if fast {
		if bu, ok := obj.(*binutils.Binutils); ok {
			bu.SetFastSymbolization(true)
		}
	}

	functions := map[profile.Function]*profile.Function{}
	addFunction := func(f *profile.Function) *profile.Function {
		if fp := functions[*f]; fp != nil {
			return fp
		}

		llvmSymbolizer, addr2line, nm, objdump, r.fast)
}

// SetFastSymbolization sets a toggle that makes binutils use fast
// symbolization (using nm), which is much faster than addr2line but
// provides only symbol name information (no file/line).
func (bu *Binutils) SetFastSymbolization(fast bool) {
	bu.update(func(r *binrep) { r.fast = fast })
}