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dde20209b8
Also add a test that the VDSO is actually working. Fixes #62309 Change-Id: Ia846b36dfc21716f1653bdf2671485a4cf4a7bd1 Reviewed-on: https://go-review.googlesource.com/c/go/+/523955 Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Austin Clements <austin@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
22 lines
670 B
Go
22 lines
670 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package runtime
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const (
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// vdsoArrayMax is the byte-size of a maximally sized array on this architecture.
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// See cmd/compile/internal/arm64/galign.go arch.MAXWIDTH initialization.
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vdsoArrayMax = 1<<50 - 1
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)
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// key and version at man 7 vdso : aarch64
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var vdsoLinuxVersion = vdsoVersionKey{"LINUX_2.6.39", 0x75fcb89}
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var vdsoSymbolKeys = []vdsoSymbolKey{
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{"__kernel_clock_gettime", 0xb0cd725, 0xdfa941fd, &vdsoClockgettimeSym},
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}
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// initialize to fall back to syscall
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var vdsoClockgettimeSym uintptr = 0
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