Exitf("mapping output file failed: %v", err)
		}
	}
	// asmb will redirect symbols to the output file mmap, and relocations
	// will be applied directly there.
	bench.Start("Asmb")
	asmb(ctxt)

	exitIfErrors()

	// Generate additional symbols for the native symbol table just prior
	// to code generation.
	bench.Start("GenSymsLate")
	if thearch.GenSymsLate != nil {
		thearch.GenSymsLate(ctxt, ctxt.loader)
	}

		if !*listE {
			for _, m := range mods {
				if m.Error != nil {
					base.Error(errors.New(m.Error.Err))
				}
			}
			if err != nil {
				base.Error(err)
			}
			base.ExitIfErrors()
		}
		for _, m := range mods {
			do(m)
		}
		return
	}

	// Package mode (not -m).
	if *listU {
		base.Fatalf("go list -u can only be used with -m")
	}
	if *listVersions {

			default:
				base.Errorf("go: no install location for directory %s outside GOPATH\n"+
					"\tFor more details see: 'go help gopath'", p.Dir)
			}
		}
	}
	base.ExitIfErrors()

	b := NewBuilder("")
	defer func() {
		if err := b.Close(); err != nil {
			base.Fatal(err)
		}
	}()

	depMode := ModeBuild
	a := &Action{Mode: "go install"}
	var tools []*Action