var racedatastart uintptr
var racedataend uintptr

// start/end of heap for race_amd64.s
var racearenastart uintptr
var racearenaend uintptr

func racefuncenter(callpc uintptr)
func racefuncenterfp(fp uintptr)
func racefuncexit()
func raceread(addr uintptr)
func racewrite(addr uintptr)
func racereadrange(addr, size uintptr)
func racewriterange(addr, size uintptr)

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

package codegen

// Check that we elide racefuncenter/racefuncexit for
// functions with no calls (but which might panic
// in various ways). See issue 31219.
// amd64:-"CALL.*racefuncenter.*"
// arm64:-"CALL.*racefuncenter.*"
// ppc64le:-"CALL.*racefuncenter.*"
func RaceMightPanic(a []int, i, j, k, s int) {
	var b [4]int
	_ = b[i]     // panicIndex

	Newproc           *obj.LSym
	Panicdivide       *obj.LSym
	Panicshift        *obj.LSym
	PanicdottypeE     *obj.LSym
	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

// func runtime·racefuncenter(pc uintptr)
// Called from instrumented code.
TEXT	runtime·racefuncenter<ABIInternal>(SB), NOSPLIT, $0-8
	MOVD	R0, R9	// callpc
	JMP	racefuncenter<>(SB)

// Common code for racefuncenter
// R9 = caller's return address
TEXT	racefuncenter<>(SB), NOSPLIT, $0-0
	load_g
	MOVD	g_racectx(g), R0	// goroutine racectx
	MOVD	R9, R1
	// void __tsan_func_enter(ThreadState *thr, void *pc);

	RET

// func runtime·racefuncenter(pc uintptr)
// Called from instrumented code.
TEXT	runtime·racefuncenter(SB), NOSPLIT, $0-8
	MOVD	callpc+0(FP), R3
	JMP	racefuncenter<>(SB)

// Common code for racefuncenter
// R3 = caller's return address
TEXT	racefuncenter<>(SB), NOSPLIT, $0-0
	// void __tsan_func_enter(ThreadState *thr, void *pc);
	MOVD	$__tsan_func_enter(SB), R1
	MOVD	g_racectx(g), R2
	BL	racecall<>(SB)
	RET

	// recursion. This is all runtime packages, plus those that support the
	// sanitizers.
	NoInstrument bool

	// NoRaceFunc indicates functions in this package should not get
	// racefuncenter/racefuncexit instrumentation Memory accesses in these
	// packages are either uninteresting or will cause false positives.
	NoRaceFunc bool

	// AllowAsmABI indicates that assembly in this package is allowed to use ABI

	RET

// func runtime·racefuncenter(pc uintptr)
// Called from instrumented code.
TEXT	runtime·racefuncenter(SB), NOSPLIT, $0-8
	MOVQ	callpc+0(FP), R11
	JMP	racefuncenter<>(SB)

// Common code for racefuncenter
// R11 = caller's return address
TEXT	racefuncenter<>(SB), NOSPLIT|NOFRAME, $0-0
	MOVQ	DX, BX		// save function entry context (for closures)
	MOVQ	g_racectx(R14), RARG0	// goroutine context
	MOVQ	R11, RARG1

// func runtime·racefuncenter(pc uintptr)
// Called from instrumented Go code.
TEXT	runtime·racefuncenter(SB), NOSPLIT, $0-8
	MOVD	callpc+0(FP), R8
	BR	racefuncenter<>(SB)

// Common code for racefuncenter
// R11 = caller's return address
TEXT	racefuncenter<>(SB), NOSPLIT, $0-0
	MOVD    runtime·tls_g(SB), R10
	MOVD    0(R10), g
	MOVD    g_racectx(g), R3        // goroutine racectx aka *ThreadState

	{"runtime.uint64tofloat64", 1},
	{"runtime.uint64tofloat32", 1},
	{"runtime.uint32tofloat64", 1},
	{"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},

func uint32tofloat64(uint32) float64

func complex128div(num complex128, den complex128) (quo complex128)

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