github.com/lzhfromustc/gofuzz@v0.0.0-20211116160056-151b3108bbd1/runtime/os_linux_mips64x.go (about) 1 // Copyright 2015 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build linux 6 // +build mips64 mips64le 7 8 package runtime 9 10 import "internal/cpu" 11 12 func archauxv(tag, val uintptr) { 13 switch tag { 14 case _AT_HWCAP: 15 cpu.HWCap = uint(val) 16 } 17 } 18 19 func osArchInit() {} 20 21 //go:nosplit 22 func cputicks() int64 { 23 // Currently cputicks() is used in blocking profiler and to seed fastrand(). 24 // nanotime() is a poor approximation of CPU ticks that is enough for the profiler. 25 return nanotime() 26 } 27 28 const ( 29 _SS_DISABLE = 2 30 _NSIG = 129 31 _SI_USER = 0 32 _SIG_BLOCK = 1 33 _SIG_UNBLOCK = 2 34 _SIG_SETMASK = 3 35 ) 36 37 type sigset [2]uint64 38 39 var sigset_all = sigset{^uint64(0), ^uint64(0)} 40 41 //go:nosplit 42 //go:nowritebarrierrec 43 func sigaddset(mask *sigset, i int) { 44 (*mask)[(i-1)/64] |= 1 << ((uint32(i) - 1) & 63) 45 } 46 47 func sigdelset(mask *sigset, i int) { 48 (*mask)[(i-1)/64] &^= 1 << ((uint32(i) - 1) & 63) 49 } 50 51 //go:nosplit 52 func sigfillset(mask *[2]uint64) { 53 (*mask)[0], (*mask)[1] = ^uint64(0), ^uint64(0) 54 }