return atomic.Casuintptr((*uintptr)(unsafe.Pointer(gp)), uintptr(old), uintptr(new))
}

//go:nosplit
func (gp *g) guintptr() guintptr {
	return guintptr(unsafe.Pointer(gp))
}

// setGNoWB performs *gp = new without a write barrier.
// For times when it's impractical to use a guintptr.
//
//go:nosplit
//go:nowritebarrier
func setGNoWB(gp **g, new *g) {

// pointer to a struct:
//
//	struct {
//		Context    uintptr
//		SigContext uintptr
//		Buf        *uintptr
//		Max        uintptr
//	}
//
// In C syntax, this struct will be
//
//	struct {
//		uintptr_t  Context;
//		uintptr_t  SigContext;
//		uintptr_t* Buf;
//		uintptr_t  Max;
//	};
//
// The Context field will be zero to gather a traceback from the

			// Someone else has it.
			// l->waitm points to a linked list of M's waiting
			// for this lock, chained through m->nextwaitm.
			// Queue this M.
			for {
				gp.m.nextwaitm = muintptr(v &^ locked)
				if atomic.Casuintptr(&l.key, v, uintptr(unsafe.Pointer(gp.m))|locked) {
					break
				}
				v = atomic.Loaduintptr(&l.key)
				if v&locked == 0 {
					continue Loop
				}
			}
			if v&locked != 0 {

// Expose pageAlloc for testing. Note that because pageAlloc is
// not in the heap, so is PageAlloc.
type PageAlloc pageAlloc

func (p *PageAlloc) Alloc(npages uintptr) (uintptr, uintptr) {
	pp := (*pageAlloc)(p)

	var addr, scav uintptr
	systemstack(func() {
		// None of the tests need any higher-level locking, so we just
		// take the lock internally.
		lock(pp.mheapLock)
		addr, scav = pp.alloc(npages)

	r0, _, e1 := syscall.Syscall15(procCreateServiceW.Addr(), 13, uintptr(mgr), uintptr(unsafe.Pointer(serviceName)), uintptr(unsafe.Pointer(displayName)), uintptr(access), uintptr(srvType), uintptr(startType), uintptr(errCtl), uintptr(unsafe.Pointer(pathName)), uintptr(unsafe.Pointer(loadOrderGroup)), uintptr(unsafe.Pointer(tagId)), uintptr(unsafe.Pointer(dependencies)), uintptr(unsafe.Pointer(serviceStartName)), uintptr(unsafe.Pointer(password)), 0, 0)
	handle = Handle(r0)

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func ptrace64Ptr(request int, id int64, addr int64, data int, buff unsafe.Pointer) (err error) {
	_, _, e1 := syscall6(uintptr(unsafe.Pointer(&libc_ptrace64)), 5, uintptr(request), uintptr(id), uintptr(addr), uintptr(data), uintptr(buff), 0)

		}

		// Add the new chunk to the persistentChunks list.
		for {
			chunks := uintptr(unsafe.Pointer(persistentChunks))
			*(*uintptr)(unsafe.Pointer(persistent.base)) = chunks
			if atomic.Casuintptr((*uintptr)(unsafe.Pointer(&persistentChunks)), chunks, uintptr(unsafe.Pointer(persistent.base))) {
				break
			}
		}
		persistent.off = alignUp(goarch.PtrSize, align)
	}

		atomicwb(ptr, new)
	}
	if goexperiment.CgoCheck2 {
		cgoCheckPtrWrite(ptr, new)
	}
	sync_atomic_StoreUintptr((*uintptr)(unsafe.Pointer(ptr)), uintptr(new))
}

//go:linkname sync_atomic_SwapUintptr sync/atomic.SwapUintptr
func sync_atomic_SwapUintptr(ptr *uintptr, new uintptr) uintptr

//go:linkname sync_atomic_SwapPointer sync/atomic.SwapPointer
//go:nosplit

			shift = uintptr(sys.TrailingZeros64(uint64(et.Size_))) & 63
		} else {
			shift = uintptr(sys.TrailingZeros32(uint32(et.Size_))) & 31
		}
		lenmem = uintptr(oldLen) << shift
		newlenmem = uintptr(newLen) << shift
		capmem = roundupsize(uintptr(newcap)<<shift, noscan)
		overflow = uintptr(newcap) > (maxAlloc >> shift)
		newcap = int(capmem >> shift)
		capmem = uintptr(newcap) << shift
	default:

// See go.dev/issue/67401.
//
//go:linkname stringHash
func stringHash(s string, seed uintptr) uintptr {
	return strhash(noescape(unsafe.Pointer(&s)), seed)
}

func bytesHash(b []byte, seed uintptr) uintptr {
	s := (*slice)(unsafe.Pointer(&b))
	return memhash(s.array, seed, uintptr(s.len))
}

func int32Hash(i uint32, seed uintptr) uintptr {
	return memhash32(noescape(unsafe.Pointer(&i)), seed)
}