//go:build race

package runtime

import (
	"internal/abi"
	"unsafe"
)

// Public race detection API, present iff build with -race.

func RaceRead(addr unsafe.Pointer)
func RaceWrite(addr unsafe.Pointer)
func RaceReadRange(addr unsafe.Pointer, len int)
func RaceWriteRange(addr unsafe.Pointer, len int)

func RaceErrors() int {
	var n uint64

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},