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)
func msanmove(dst, src, size uintptr)

// address sanitizer
func asanread(addr, size uintptr)
func asanwrite(addr, size uintptr)

func checkptrAlignment(unsafe.Pointer, *byte, uintptr)

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
}
func convTnoptr(t *_type, v unsafe.Pointer) unsafe.Pointer {

	{"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},
	{"asanwrite", funcTag, 144},
	{"checkptrAlignment", funcTag, 146},
	{"checkptrArithmetic", funcTag, 148},
	{"libfuzzerTraceCmp1", funcTag, 149},

		pc := abi.FuncPCABIInternal(mapaccess1)
		racereadpc(unsafe.Pointer(h), callerpc, pc)
		raceReadObjectPC(t.Key, key, callerpc, pc)
	}
	if msanenabled && h != nil {
		msanread(key, t.Key.Size_)
	}
	if asanenabled && h != nil {
		asanread(key, t.Key.Size_)
	}
	if h == nil || h.count == 0 {
		if err := mapKeyError(t, key); err != nil {
			panic(err) // see issue 23734
		}
		return unsafe.Pointer(&zeroVal[0])

	ir.Syms.Memmove = typecheck.LookupRuntimeFunc("memmove")
	ir.Syms.Msanread = typecheck.LookupRuntimeFunc("msanread")
	ir.Syms.Msanwrite = typecheck.LookupRuntimeFunc("msanwrite")
	ir.Syms.Msanmove = typecheck.LookupRuntimeFunc("msanmove")
	ir.Syms.Asanread = typecheck.LookupRuntimeFunc("asanread")
	ir.Syms.Asanwrite = typecheck.LookupRuntimeFunc("asanwrite")

const asanenabled = true

// asan{read,write} are nosplit because they may be called between
// fork and exec, when the stack must not grow. See issue #50391.

//go:linkname asanread
//go:nosplit
func asanread(addr unsafe.Pointer, sz uintptr) {
	sp := getcallersp()
	pc := getcallerpc()
	doasanread(addr, sz, sp, pc)
}

//go:linkname asanwrite
//go:nosplit

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

//go:build asan

package asan

import (
	"unsafe"
)

const Enabled = true

//go:linkname Read runtime.asanread
func Read(addr unsafe.Pointer, len uintptr)

//go:linkname Write runtime.asanwrite

                    }
                }
            }
        } else {
            File pluginXml = new File(extensionJar, getExtensionDescriptorLocation());

            if (pluginXml.canRead()) {
                try (InputStream is = Files.newInputStream(pluginXml.toPath())) {
                    extensionDescriptor = build(is);
                }
            }
        }

            if (!directory.isDirectory()) {
                throw new IllegalArgumentException(String.format("Cache directory %s must be a directory", directory));
            }
            if (!directory.canRead()) {
                throw new IllegalArgumentException(String.format("Cache directory %s must be readable", directory));
            }
            if (!directory.canWrite()) {

	trace := traceAcquire()
	if !trace.ok() {
		throw("traceSnapshotMemory: tracing is not enabled")
	}

	// Write out all the heap spans and heap objects.
	for _, s := range mheap_.allspans {
		if s.state.get() == mSpanDead {
			continue
		}
		// It's some kind of span, so trace that it exists.
		trace.SpanExists(s)

		// Write out allocated objects if it's a heap span.
		if s.state.get() != mSpanInUse {
			continue
		}