mirror of https://go.googlesource.com/go
52 lines
996 B
Go
52 lines
996 B
Go
// Copyright 2015 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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//go:build linux && (mips64 || mips64le)
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package runtime
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import "internal/cpu"
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func archauxv(tag, val uintptr) {
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switch tag {
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case _AT_HWCAP:
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cpu.HWCap = uint(val)
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}
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}
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func osArchInit() {}
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//go:nosplit
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func cputicks() int64 {
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// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
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return nanotime()
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}
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const (
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_SS_DISABLE = 2
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_NSIG = 129
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_SIG_BLOCK = 1
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_SIG_UNBLOCK = 2
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_SIG_SETMASK = 3
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)
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type sigset [2]uint64
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var sigset_all = sigset{^uint64(0), ^uint64(0)}
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//go:nosplit
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//go:nowritebarrierrec
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func sigaddset(mask *sigset, i int) {
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(*mask)[(i-1)/64] |= 1 << ((uint32(i) - 1) & 63)
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}
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func sigdelset(mask *sigset, i int) {
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(*mask)[(i-1)/64] &^= 1 << ((uint32(i) - 1) & 63)
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}
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//go:nosplit
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func sigfillset(mask *[2]uint64) {
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(*mask)[0], (*mask)[1] = ^uint64(0), ^uint64(0)
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}
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