| // Copyright 2018 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. | 
 |  | 
 | package runtime | 
 |  | 
 | const ( | 
 | 	// vdsoArrayMax is the byte-size of a maximally sized array on this architecture. | 
 | 	// See cmd/compile/internal/arm64/galign.go arch.MAXWIDTH initialization. | 
 | 	vdsoArrayMax = 1<<50 - 1 | 
 | ) | 
 |  | 
 | // key and version at man 7 vdso : aarch64 | 
 | var vdsoLinuxVersion = vdsoVersionKey{"LINUX_2.6.39", 0x75fcb89} | 
 |  | 
 | var vdsoSymbolKeys = []vdsoSymbolKey{ | 
 | 	{"__kernel_clock_gettime", 0xd35ec75, 0x6e43a318, &vdsoClockgettimeSym}, | 
 | } | 
 |  | 
 | // initialize to fall back to syscall | 
 | var vdsoClockgettimeSym uintptr = 0 |