ctxt.Flag_maymorestack = flags.DebugFlags.MayMoreStack
	ctxt.Debugpcln = flags.DebugFlags.PCTab
	ctxt.IsAsm = true
	ctxt.Pkgpath = *flags.Importpath
	switch *flags.Spectre {
	default:
		log.Printf("unknown setting -spectre=%s", *flags.Spectre)
		os.Exit(2)
	case "":
		// nothing
	case "index":
		// known to compiler; ignore here so people can use

		os.Exit(exitCode)
	}

	for i := 0; i < flag.NArg(); i++ {
		path := flag.Arg(i)
		switch dir, err := os.Stat(path); {
		case err != nil:
			report(err)
		case dir.IsDir():
			walkDir(path)
		default:
			if err := processFile(path, false); err != nil {
				report(err)
			}
		}
	}

	os.Exit(exitCode)
}

const parserMode = parser.ParseComments

			gohostarch = "amd64"
		}
		if strings.Contains(out, "i386") {
			gohostarch = "386"
		}
	case "windows":
		exe = ".exe"
	}

	sysinit()

	if gohostarch == "" {
		// Default Unix system.
		out := run("", CheckExit, "uname", "-m")
		outAll := run("", CheckExit, "uname", "-a")
		switch {
		case strings.Contains(outAll, "RELEASE_ARM64"):
			// MacOS prints

// license that can be found in the LICENSE file.

package main

import (
	"fmt"
	"os"
)

func main() {
	if len(os.Args) != 2 {
		fatal("usage: callback testname")
	}
	switch os.Args[1] {
	default:
		fatal("unknown test %q", os.Args[1])
	case "Call":
		testCall()
	case "Callback":
		testCallback()
	}
	println("OK")
}

func fatal(f string, args ...any) {