sys_arm64.go

     1  // Copyright 2013 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  package runtime
     6  
     7  import "unsafe"
     8  
     9  // adjust Gobuf as if it executed a call to fn with context ctxt
    10  // and then did an immediate Gosave.
    11  func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
    12  	if buf.lr != 0 {
    13  		throw("invalid use of gostartcall")
    14  	}
    15  	buf.lr = buf.pc
    16  	buf.pc = uintptr(fn)
    17  	buf.ctxt = ctxt
    18  }
    19
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