"internal/goarch"
	"unsafe"
)

func mapaccess1_fast64(t *maptype, h *hmap, key uint64) unsafe.Pointer {
	if raceenabled && h != nil {
		callerpc := getcallerpc()
		racereadpc(unsafe.Pointer(h), callerpc, abi.FuncPCABIInternal(mapaccess1_fast64))
	}
	if h == nil || h.count == 0 {
		return unsafe.Pointer(&zeroVal[0])
	}
	if h.flags&hashWriting != 0 {
		fatal("concurrent map read and map write")
	}
	var b *bmap
	if h.B == 0 {

	"internal/goarch"
	"unsafe"
)

func mapaccess1_fast32(t *maptype, h *hmap, key uint32) unsafe.Pointer {
	if raceenabled && h != nil {
		callerpc := getcallerpc()
		racereadpc(unsafe.Pointer(h), callerpc, abi.FuncPCABIInternal(mapaccess1_fast32))
	}
	if h == nil || h.count == 0 {
		return unsafe.Pointer(&zeroVal[0])
	}
	if h.flags&hashWriting != 0 {
		fatal("concurrent map read and map write")
	}
	var b *bmap
	if h.B == 0 {

			// type et. See the comment on bulkBarrierPreWrite.
			bulkBarrierPreWriteSrcOnly(uintptr(to), uintptr(from), copymem, et)
		}
	}

	if raceenabled {
		callerpc := getcallerpc()
		pc := abi.FuncPCABIInternal(makeslicecopy)
		racereadrangepc(from, copymem, callerpc, pc)
	}
	if msanenabled {
		msanread(from, copymem)
	}
	if asanenabled {
		asanread(from, copymem)
	}

	memmove(to, from, copymem)

	"internal/goarch"
	"unsafe"
)

func mapaccess1_faststr(t *maptype, h *hmap, ky string) unsafe.Pointer {
	if raceenabled && h != nil {
		callerpc := getcallerpc()
		racereadpc(unsafe.Pointer(h), callerpc, abi.FuncPCABIInternal(mapaccess1_faststr))
	}
	if h == nil || h.count == 0 {
		return unsafe.Pointer(&zeroVal[0])
	}
	if h.flags&hashWriting != 0 {
		fatal("concurrent map read and map write")
	}
	key := stringStructOf(&ky)

		// you find the indices and convert the subslice to string.
		return ""
	}
	if raceenabled {
		racereadrangepc(unsafe.Pointer(ptr),
			uintptr(n),
			getcallerpc(),
			abi.FuncPCABIInternal(slicebytetostring))
	}
	if msanenabled {
		msanread(unsafe.Pointer(ptr), uintptr(n))
	}
	if asanenabled {
		asanread(unsafe.Pointer(ptr), uintptr(n))
	}
	if n == 1 {

//go:linkname reflect_typedmemmove reflect.typedmemmove
func reflect_typedmemmove(typ *_type, dst, src unsafe.Pointer) {
	if raceenabled {
		raceWriteObjectPC(typ, dst, getcallerpc(), abi.FuncPCABIInternal(reflect_typedmemmove))
		raceReadObjectPC(typ, src, getcallerpc(), abi.FuncPCABIInternal(reflect_typedmemmove))
	}
	if msanenabled {
		msanwrite(dst, typ.Size_)
		msanread(src, typ.Size_)
	}
	if asanenabled {
		asanwrite(dst, typ.Size_)

			if fwdSig[i] != _SIG_DFL && fwdSig[i] != _SIG_IGN {
				setsigstack(i)
			} else if fwdSig[i] == _SIG_IGN {
				sigInitIgnored(i)
			}
			continue
		}

		handlingSig[i] = 1
		setsig(i, abi.FuncPCABIInternal(sighandler))
	}
}

//go:nosplit
//go:nowritebarrierrec
func sigInstallGoHandler(sig uint32) bool {
	// For some signals, we respect an inherited SIG_IGN handler

// be used as the second word of an interface value.
func convT(t *_type, v unsafe.Pointer) unsafe.Pointer {
	if raceenabled {
		raceReadObjectPC(t, v, getcallerpc(), abi.FuncPCABIInternal(convT))
	}
	if msanenabled {
		msanread(v, t.Size_)
	}
	if asanenabled {
		asanread(v, t.Size_)
	}
	x := mallocgc(t.Size_, t, true)
	typedmemmove(t, x, v)
	return x
}

		throw("unreachable")
	}

	if debugChan {
		print("chansend: chan=", c, "\n")
	}

	if raceenabled {
		racereadpc(c.raceaddr(), callerpc, abi.FuncPCABIInternal(chansend))
	}

	// Fast path: check for failed non-blocking operation without acquiring the lock.
	//
	// After observing that the channel is not closed, we observe that the channel is

// asyncPreempt call.
var asyncPreemptStack = ^uintptr(0)

func init() {
	f := findfunc(abi.FuncPCABI0(asyncPreempt))
	total := funcMaxSPDelta(f)
	f = findfunc(abi.FuncPCABIInternal(asyncPreempt2))
	total += funcMaxSPDelta(f)
	// Add some overhead for return PCs, etc.
	asyncPreemptStack = uintptr(total) + 8*goarch.PtrSize
	if asyncPreemptStack > stackNosplit {