}
	return i
}

// Mmap manager, for use by operating system-specific implementations.

type mmapper struct {
	sync.Mutex
	active map[*byte][]byte // active mappings; key is last byte in mapping
	mmap   func(addr, length uintptr, prot, flags, fd int, offset int64) (uintptr, error)
	munmap func(addr uintptr, length uintptr) error
}

	// the heap arenas index. In 2017, amd64 hardware added
	// support for 57 bit addresses; however, currently only Linux
	// supports this extension and the kernel will never choose an
	// address above 1<<47 unless mmap is called with a hint
	// address above 1<<47 (which we never do).
	//
	// arm64 hardware (as of ARMv8) limits user addresses to 48
	// bits, in the range [0, 1<<48).
	//

// current status of the push.
func (ps *PushContext) UpdateMetrics() {
	ps.proxyStatusMutex.RLock()
	defer ps.proxyStatusMutex.RUnlock()

	for _, pm := range metrics {
		mmap := ps.ProxyStatus[pm.Name()]
		pm.Record(float64(len(mmap)))
	}
}

// It is called after virtual service short host name is resolved to FQDN
func virtualServiceDestinations(v *networking.VirtualService) map[string]sets.Set[int] {

		m := int(iovecs[i].Len)
		if m > n {
			m = n
		}
		n -= m
		if m > 0 {
			raceReadRange(unsafe.Pointer(iovecs[i].Base), m)
		}
	}
}

// mmap varies by architecture; see syscall_linux_*.go.
//sys	munmap(addr uintptr, length uintptr) (err error)
//sys	mremap(oldaddr uintptr, oldlength uintptr, newlength uintptr, flags int, newaddr uintptr) (xaddr uintptr, err error)

	runtime.ExitSyscall()
	n = int(r0)
	if int64(r0) == -1 {
		err = errnoErr2(e1, e2)
	}
	return
}

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

func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {
	runtime.EnterSyscall()

	f, err := elf.Open(libpath)
	if err != nil {
		Errorf(nil, "cannot open shared library: %s", libpath)
		return
	}
	// Keep the file open as decodetypeGcprog needs to read from it.
	// TODO: fix. Maybe mmap the file.
	//defer f.Close()

	hash, err := readnote(f, ELF_NOTE_GO_NAME, ELF_NOTE_GOABIHASH_TAG)
	if err != nil {
		Errorf(nil, "cannot read ABI hash from shared library %s: %v", libpath, err)
		return

}

func (l *Loader) AttrCgoExport(i Sym) bool {
	return l.AttrCgoExportDynamic(i) || l.AttrCgoExportStatic(i)
}

// AttrReadOnly returns true for a symbol whose underlying data
// is stored via a read-only mmap.
func (l *Loader) AttrReadOnly(i Sym) bool {
	if v, ok := l.attrReadOnly[i]; ok {
		return v
	}
	if l.IsExternal(i) {
		pp := l.getPayload(i)
		if pp.objidx != 0 {