mirror of https://go.googlesource.com/go
29 lines
816 B
Go
29 lines
816 B
Go
// Copyright 2012 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
|
|
|
|
import _ "unsafe" // for linkname
|
|
|
|
const (
|
|
// vdsoArrayMax is the byte-size of a maximally sized array on this architecture.
|
|
// See cmd/compile/internal/amd64/galign.go arch.MAXWIDTH initialization.
|
|
vdsoArrayMax = 1<<50 - 1
|
|
)
|
|
|
|
var vdsoLinuxVersion = vdsoVersionKey{"LINUX_2.6", 0x3ae75f6}
|
|
|
|
var vdsoSymbolKeys = []vdsoSymbolKey{
|
|
{"__vdso_gettimeofday", 0x315ca59, 0xb01bca00, &vdsoGettimeofdaySym},
|
|
{"__vdso_clock_gettime", 0xd35ec75, 0x6e43a318, &vdsoClockgettimeSym},
|
|
}
|
|
|
|
var (
|
|
vdsoGettimeofdaySym uintptr
|
|
vdsoClockgettimeSym uintptr
|
|
)
|
|
|
|
// vdsoGettimeofdaySym is accessed from the syscall package.
|
|
//go:linkname vdsoGettimeofdaySym
|