const Enabled = true

//go:linkname Read runtime.msanread
func Read(addr unsafe.Pointer, sz uintptr)

//go:linkname Write runtime.msanwrite
func Write(addr unsafe.Pointer, sz uintptr)

//go:linkname Malloc runtime.msanmalloc
func Malloc(addr unsafe.Pointer, sz uintptr)

//go:linkname Free runtime.msanfree
func Free(addr unsafe.Pointer, sz uintptr)

//go:linkname Move runtime.msanmove

def TF_VariableAlloc : MemAlloc<TF_VariableResource>;
def TF_StackAlloc : MemAlloc<TF_StackResource>;
def TF_TensorArrayAlloc : MemAlloc<TF_TensorArrayResource>;
def TF_SummaryAlloc : MemAlloc<TF_SummaryResource>;
def TF_LookupTableAlloc : MemAlloc<TF_LookupTableResource>;
def TF_DatasetSeedGeneratorAlloc : MemAlloc<TF_DatasetSeedGeneratorResource>;
def TF_DatasetMemoryCacheAlloc : MemAlloc<TF_DatasetMemoryCacheResource>;

	// MALLOC metadata             103ce8000-103cec000    [   16K    16K    16K     0K] r--/rwx SM=COW          DefaultMallocZone_0x103ce8000 zone structure
	// MALLOC guard page           103cf0000-103cf4000    [   16K     0K     0K     0K] ---/rwx SM=COW
	// MALLOC guard page           103cfc000-103d00000    [   16K     0K     0K     0K] ---/rwx SM=COW

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Malloc small size classes.
//
// See malloc.go for overview.
// See also mksizeclasses.go for how we decide what size classes to use.

package runtime

// Returns size of the memory block that mallocgc will allocate if you ask for the size,
// minus any inline space for metadata.

		}
		if err != io.ErrUnexpectedEOF {
			t.Fatalf("read error = %v; want ErrUnexpectedEOF", err)
		}
	})
	if mallocs > 1.5 {
		t.Errorf("mallocs = %v; want 1", mallocs)
	}
}

func TestParseHexUint(t *testing.T) {
	type testCase struct {
		in      string
		want    uint64
		wantErr string
	}
	tests := []testCase{
		{"x", 0, "invalid byte in chunk length"},

extern "C" {

TF_Buffer* TF_NewBuffer() { return new TF_Buffer{nullptr, 0, nullptr}; }

TF_Buffer* TF_NewBufferFromString(const void* proto, size_t proto_len) {
  void* copy = tensorflow::port::Malloc(proto_len);
  std::memcpy(copy, proto, proto_len);

  TF_Buffer* buf = new TF_Buffer;
  buf->data = copy;
  buf->length = proto_len;
  buf->data_deallocator = [](void* data, size_t length) {

	stack_t ss;
	int i;
	stack_t nss;
	struct timespec ts;

	// Set up an alternate signal stack for this thread.
	memset(&ss, 0, sizeof ss);
	ss.ss_sp = malloc(CSIGSTKSZ);
	if (ss.ss_sp == NULL) {
		die("malloc");
	}
	ss.ss_flags = 0;
	ss.ss_size = CSIGSTKSZ;
	if (sigaltstack(&ss, NULL) < 0) {
		die("sigaltstack");
	}

	// Send ourselves a SIGIO.  This will be caught by the Go

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

//go:build linux && cgo

// On systems that use glibc, calling malloc can create a new arena,
// and creating a new arena can read /sys/devices/system/cpu/online.
// If we are using cgo, we will call malloc when creating a new thread.
// That can break TestExtraFiles if we create a new thread that creates

x_cgo_init(G *g, void (*setg)(void*))
{
	uintptr *pbounds;

	// Deal with memory sanitizer/clang interaction.
	// See gcc_linux_amd64.c for details.
	setg_gcc = setg;
	pbounds = (uintptr*)malloc(2 * sizeof(uintptr));
	if (pbounds == NULL) {
		fatalf("malloc failed: %s", strerror(errno));
	}
	_cgo_set_stacklo(g, pbounds);
	free(pbounds);
}

void
_cgo_sys_thread_start(ThreadStart *ts)
{
	pthread_attr_t attr;

		// Finish off CPU profile reading.
		traceStopReadCPU()

		// Reset debug.malloc if necessary. Note that this is set in a racy
		// way; that's OK. Some mallocs may still enter into the debug.malloc
		// block, but they won't generate events because tracing is disabled.
		// That is, it's OK if mallocs read a stale debug.malloc or
		// trace.enabledWithAllocFree value.
		if trace.enabledWithAllocFree {