| // Copyright 2016 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. | |
| //go:build linux && (mips || mipsle) | |
| package runtime | |
| func archauxv(tag, val uintptr) { | |
| } | |
| //go:nosplit | |
| func cputicks() int64 { | |
| // nanotime() is a poor approximation of CPU ticks that is enough for the profiler. | |
| return nanotime() | |
| } | |
| const ( | |
| _SS_DISABLE = 2 | |
| _NSIG = 128 + 1 | |
| _SIG_BLOCK = 1 | |
| _SIG_UNBLOCK = 2 | |
| _SIG_SETMASK = 3 | |
| ) | |
| type sigset [4]uint32 | |
| var sigset_all = sigset{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)} | |
| //go:nosplit | |
| //go:nowritebarrierrec | |
| func sigaddset(mask *sigset, i int) { | |
| (*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31) | |
| } | |
| func sigdelset(mask *sigset, i int) { | |
| (*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31) | |
| } | |
| //go:nosplit | |
| func sigfillset(mask *[4]uint32) { | |
| (*mask)[0], (*mask)[1], (*mask)[2], (*mask)[3] = ^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0) | |
| } |