| // 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) { |
| } |
| |
| func osArchInit() {} |
| |
| //go:nosplit |
| func cputicks() int64 { |
| // Currently cputicks() is used in blocking profiler and to seed fastrand(). |
| // 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) |
| } |