|  | // Copyright 2018 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. | 
|  |  | 
|  | package runtime | 
|  |  | 
|  | import "unsafe" | 
|  |  | 
|  | func float64touint32(a float64) uint32 | 
|  | func uint32tofloat64(a uint32) float64 | 
|  |  | 
|  | // stackcheck checks that SP is in range [g->stack.lo, g->stack.hi). | 
|  | func stackcheck() | 
|  |  | 
|  | // Called from assembly only; declared for go vet. | 
|  | func setldt(slot uintptr, base unsafe.Pointer, size uintptr) | 
|  | func emptyfunc() | 
|  |  | 
|  | //go:noescape | 
|  | func asmcgocall_no_g(fn, arg unsafe.Pointer) | 
|  |  | 
|  | // getfp returns the frame pointer register of its caller or 0 if not implemented. | 
|  | // TODO: Make this a compiler intrinsic | 
|  | func getfp() uintptr { return 0 } |