os_linux_mipsx.go

     1  // Copyright 2016 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  //go:build linux && (mips || mipsle)
     6  
     7  package runtime
     8  
     9  func archauxv(tag, val uintptr) {
    10  }
    11  
    12  //go:nosplit
    13  func cputicks() int64 {
    14  	// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
    15  	return nanotime()
    16  }
    17  
    18  const (
    19  	_SS_DISABLE  = 2
    20  	_NSIG        = 128 + 1
    21  	_SIG_BLOCK   = 1
    22  	_SIG_UNBLOCK = 2
    23  	_SIG_SETMASK = 3
    24  )
    25  
    26  type sigset [4]uint32
    27  
    28  var sigset_all = sigset{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)}
    29  
    30  //go:nosplit
    31  //go:nowritebarrierrec
    32  func sigaddset(mask *sigset, i int) {
    33  	(*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31)
    34  }
    35  
    36  func sigdelset(mask *sigset, i int) {
    37  	(*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
    38  }
    39  
    40  //go:nosplit
    41  func sigfillset(mask *[4]uint32) {
    42  	(*mask)[0], (*mask)[1], (*mask)[2], (*mask)[3] = ^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)
    43  }
    44
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