github.com/megatontech/mynoteforgo@v0.0.0-20200507084910-5d0c6ea6e890/源码/runtime/sys_darwin_64.go (about)

     1  // Copyright 2018 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 darwin
     6  // +build amd64 arm64
     7  
     8  package runtime
     9  
    10  import "unsafe"
    11  
    12  //go:linkname syscall_syscallX syscall.syscallX
    13  //go:nosplit
    14  //go:cgo_unsafe_args
    15  func syscall_syscallX(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) {
    16  	entersyscallblock()
    17  	libcCall(unsafe.Pointer(funcPC(syscallX)), unsafe.Pointer(&fn))
    18  	exitsyscall()
    19  	return
    20  }
    21  func syscallX()
    22  
    23  //go:linkname syscall_syscallXPtr syscall.syscallXPtr
    24  //go:nosplit
    25  //go:cgo_unsafe_args
    26  func syscall_syscallXPtr(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) {
    27  	entersyscallblock()
    28  	libcCall(unsafe.Pointer(funcPC(syscallXPtr)), unsafe.Pointer(&fn))
    29  	exitsyscall()
    30  	return
    31  }
    32  func syscallXPtr()