//go:nosplit
func get_FlistxattrAddr() *(func(fd int, dest []byte) (sz int, err error))

var Flistxattr = enter_Flistxattr

func enter_Flistxattr(fd int, dest []byte) (sz int, err error) {
	funcref := get_FlistxattrAddr()
	if funcptrtest(GetZosLibVec()+SYS___FLISTXATTR_A<<4, "") == 0 {
		*funcref = impl_Flistxattr
	} else {
		*funcref = error_Flistxattr
	}
	return (*funcref)(fd, dest)
}

// good pointer returns 0
// bad pointer returns 1

// TODO: currently mksyscall_zos_s390x.go generate empty string for funcName
// have correct funcName pass to the funcptrtest function
func funcptrtest(funcptr uintptr, funcName string) uint64 {
	entrypoint, err := safeload(funcptr + entrypointLocationOffset)
	if err != 0 {
		return 1
	}

	ppaoff := getPpaOffset(funcptr)
	if ppaoff == -1 {

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

package abi

func FuncPCTestFn()

var FuncPCTestFnAddr uintptr // address of FuncPCTestFn, directly retrieved from assembly

//go:noinline
func FuncPCTest() uintptr {
	return FuncPCABI0(FuncPCTestFn)

	"strings"
	"testing"
)

func TestFuncPC(t *testing.T) {
	// Test that FuncPC* can get correct function PC.
	pcFromAsm := abi.FuncPCTestFnAddr

	// Test FuncPC for locally defined function
	pcFromGo := abi.FuncPCTest()
	if pcFromGo != pcFromAsm {
		t.Errorf("FuncPC returns wrong PC, want %x, got %x", pcFromAsm, pcFromGo)
	}

	// Test FuncPC for imported function
	pcFromGo = abi.FuncPCABI0(abi.FuncPCTestFn)