PanicdottypeI     *obj.LSym
	Panicnildottype   *obj.LSym
	Panicoverflow     *obj.LSym
	Racefuncenter     *obj.LSym
	Racefuncexit      *obj.LSym
	Raceread          *obj.LSym
	Racereadrange     *obj.LSym
	Racewrite         *obj.LSym
	Racewriterange    *obj.LSym
	TypeAssert        *obj.LSym
	WBZero            *obj.LSym
	WBMove            *obj.LSym
	// Wasm
	SigPanic        *obj.LSym
	Staticuint64s   *obj.LSym

func Disable() {
	runtime.RaceDisable()
}

func Enable() {
	runtime.RaceEnable()
}

func Read(addr unsafe.Pointer) {
	runtime.RaceRead(addr)
}

func Write(addr unsafe.Pointer) {
	runtime.RaceWrite(addr)
}

func ReadRange(addr unsafe.Pointer, len int) {
	runtime.RaceReadRange(addr, len)
}

func WriteRange(addr unsafe.Pointer, len int) {
	runtime.RaceWriteRange(addr, len)
}

func Errors() int {

	} else {
		// for non-composite objects we can write just the start
		// address, as any write must write the first byte.
		racewritepc(addr, callerpc, pc)
	}
}

//go:noescape
func racereadpc(addr unsafe.Pointer, callpc, pc uintptr)

//go:noescape
func racewritepc(addr unsafe.Pointer, callpc, pc uintptr)

type symbolizeCodeContext struct {
	pc   uintptr
	fn   *byte
	file *byte
	line uintptr

	{"runtime.complex128div", 1},
	{"runtime.getcallerpc", 1},
	{"runtime.getcallersp", 1},
	{"runtime.racefuncenter", 1},
	{"runtime.racefuncexit", 1},
	{"runtime.raceread", 1},
	{"runtime.racewrite", 1},
	{"runtime.racereadrange", 1},
	{"runtime.racewriterange", 1},
	{"runtime.msanread", 1},
	{"runtime.msanwrite", 1},
	{"runtime.msanmove", 1},
	{"runtime.asanread", 1},
	{"runtime.asanwrite", 1},

func getcallerpc() uintptr
func getcallersp() uintptr

// race detection
func racefuncenter(uintptr)
func racefuncexit()
func raceread(uintptr)
func racewrite(uintptr)
func racereadrange(addr, size uintptr)
func racewriterange(addr, size uintptr)

// memory sanitizer
func msanread(addr, size uintptr)
func msanwrite(addr, size uintptr)

	MOVD	$__tsan_write(SB), R1
	MOVD	addr+0(FP), R3
	MOVD	R14, R4
	JMP	racecalladdr<>(SB)

// func runtime·RaceWrite(addr uintptr)
TEXT	runtime·RaceWrite(SB), NOSPLIT, $0-8
	// This needs to be a tail call, because racewrite reads caller pc.
	JMP	runtime·racewrite(SB)

// func runtime·racewritepc(void *addr, void *callpc, void *pc)
TEXT	runtime·racewritepc(SB), NOSPLIT, $0-24

	MOVD	$__tsan_write(SB), R9
	JMP	racecalladdr<>(SB)

// func runtime·RaceWrite(addr uintptr)
TEXT	runtime·RaceWrite(SB), NOSPLIT, $0-8
	// This needs to be a tail call, because racewrite reads caller pc.
	JMP	runtime·racewrite(SB)

// func runtime·racewritepc(void *addr, void *callpc, void *pc)
TEXT	runtime·racewritepc(SB), NOSPLIT, $0-24
	MOVD	addr+0(FP), R1
	MOVD	callpc+8(FP), R2

	MOVQ	$__tsan_write(SB), AX
	JMP	racecalladdr<>(SB)

// func runtime·RaceWrite(addr uintptr)
TEXT	runtime·RaceWrite(SB), NOSPLIT, $0-8
	// This needs to be a tail call, because racewrite reads caller pc.
	JMP	runtime·racewrite(SB)

// void runtime·racewritepc(void *addr, void *callpc, void *pc)
TEXT	runtime·racewritepc(SB), NOSPLIT, $0-24
	MOVQ	addr+0(FP), RARG1
	MOVQ	callpc+8(FP), RARG2

	{"complex128div", funcTag, 142},
	{"getcallerpc", funcTag, 143},
	{"getcallersp", funcTag, 143},
	{"racefuncenter", funcTag, 31},
	{"racefuncexit", funcTag, 9},
	{"raceread", funcTag, 31},
	{"racewrite", funcTag, 31},
	{"racereadrange", funcTag, 144},
	{"racewriterange", funcTag, 144},
	{"msanread", funcTag, 144},
	{"msanwrite", funcTag, 144},
	{"msanmove", funcTag, 145},
	{"asanread", funcTag, 144},

)

func initRewrite() {
	if *rewriteRule == "" {
		rewrite = nil // disable any previous rewrite
		return
	}
	f := strings.Split(*rewriteRule, "->")
	if len(f) != 2 {
		fmt.Fprintf(os.Stderr, "rewrite rule must be of the form 'pattern -> replacement'\n")
		os.Exit(2)
	}
	pattern := parseExpr(f[0], "pattern")
	replace := parseExpr(f[1], "replacement")
	rewrite = func(fset *token.FileSet, p *ast.File) *ast.File {