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  func osArchInit() {}
    13  
    14  //go:nosplit
    15  func cputicks() int64 {
    16  	// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
    17  	return nanotime()
    18  }
    19  
    20  const (
    21  	_SS_DISABLE  = 2
    22  	_NSIG        = 128 + 1
    23  	_SIG_BLOCK   = 1
    24  	_SIG_UNBLOCK = 2
    25  	_SIG_SETMASK = 3
    26  )
    27  
    28  type sigset [4]uint32
    29  
    30  var sigset_all = sigset{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)}
    31  
    32  //go:nosplit
    33  //go:nowritebarrierrec
    34  func sigaddset(mask *sigset, i int) {
    35  	(*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31)
    36  }
    37  
    38  func sigdelset(mask *sigset, i int) {
    39  	(*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
    40  }
    41  
    42  //go:nosplit
    43  func sigfillset(mask *[4]uint32) {
    44  	(*mask)[0], (*mask)[1], (*mask)[2], (*mask)[3] = ^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)
    45  }
    46
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