}
	streamSize4 := uint32(totalStreamsSize) - 6 - uint32(tot)

	off--
	off1 := off + int(streamSize1)
	start1 := off + 1

	off2 := off1 + int(streamSize2)
	start2 := off1 + 1

	off3 := off2 + int(streamSize3)
	start3 := off2 + 1

	off4 := off3 + int(streamSize4)
	start4 := off3 + 1

	// We let the reverse bit readers read earlier bytes,

	slices.SortStableFunc(opts.tasks, func(a, b *trace.UserTaskSummary) int {
		aStart, bStart := parsed.startTime(), parsed.startTime()
		if a.Start != nil {
			aStart = a.Start.Time()
		}
		if b.Start != nil {
			bStart = b.Start.Time()
		}
		if a.Start != b.Start {
			return cmp.Compare(aStart, bStart)
		}
		// Break ties with the end time.
		aEnd, bEnd := parsed.endTime(), parsed.endTime()

		exit(1)
	}
	mp.g0.stack.hi = stacksize // for mstart

	// Tell the pthread library we won't join with this thread.
	if pthread_attr_setdetachstate(&attr, _PTHREAD_CREATE_DETACHED) != 0 {
		writeErrStr(failthreadcreate)
		exit(1)
	}

	// Finally, create the thread. It starts at mstart_stub, which does some low-level
	// setup and then calls mstart.
	var oset sigset
	sigprocmask(_SIG_SETMASK, &sigset_all, &oset)

Russ Cox <******@****.***> 1643490792 -0500

# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
#
# Script to configure and start the Istio sidecar.

set -ea

# Load optional config variables
ISTIO_SIDECAR_CONFIG=${ISTIO_SIDECAR_CONFIG:-./var/lib/istio/envoy/sidecar.env}
if [[ -r ${ISTIO_SIDECAR_CONFIG} ]]; then
  # shellcheck disable=SC1090

ECHO_ARGS=${ECHO_ARGS:-}
# Split ECHO_ARGS by spaces.
IFS=' ' read -r -a ECHO_ARGS_ARRAY <<< "$ECHO_ARGS"

ISTIO_LOG_DIR=${ISTIO_LOG_DIR:-/var/log/istio}

# Run the pilot agent and Envoy
/usr/local/bin/istio-start.sh&

# Start the echo server.

	ReadGCStats(&stats)
	runtime.ReadMemStats(&mstats)

	if stats.NumGC != int64(mstats.NumGC) {
		t.Errorf("stats.NumGC = %d, but mstats.NumGC = %d", stats.NumGC, mstats.NumGC)
	}
	if stats.PauseTotal != time.Duration(mstats.PauseTotalNs) {
		t.Errorf("stats.PauseTotal = %d, but mstats.PauseTotalNs = %d", stats.PauseTotal, mstats.PauseTotalNs)
	}
	if stats.LastGC.UnixNano() != int64(mstats.LastGC) {

	size_t size;
	int err;

	sigfillset(&ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	pthread_attr_init(&attr);
	pthread_attr_getstacksize(&attr, &size);
	// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
	ts->g->stackhi = size;
	err = _cgo_try_pthread_create(&p, &attr, threadentry, ts);

	pthread_sigmask(SIG_SETMASK, &oset, nil);

	if (err != 0) {
		fatalf("pthread_create failed: %s", strerror(err));

	var totTime time.Duration
	for _, curMark := range m.marks {
		dur := curMark.endT.Sub(curMark.startT)
		totTime += dur
		fmt.Fprintf(w, "%s 1 %d ns/op", makeBenchString(curMark.name+gcString), dur.Nanoseconds())
		fmt.Fprintf(w, "\t%d B/op", curMark.endM.TotalAlloc-curMark.startM.TotalAlloc)
		fmt.Fprintf(w, "\t%d allocs/op", curMark.endM.Mallocs-curMark.startM.Mallocs)
		if m.gc == GC {
			fmt.Fprintf(w, "\t%d live-B", curMark.gcM.HeapAlloc)

These binaries were generated by:

$ cat empty.s
.global _start
_start:
$ as --32 -o empty.o empty.s && ld  --build-id -m elf_i386 -o test32 empty.o
$ as --64 -o empty.o empty.s && ld --build-id -o test64 empty.o
$ powerpc-linux-gnu-as -o empty.o empty.s && powerpc-linux-gnu-ld --build-id -o test32be empty.o