1 // Copyright 2014 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 ppc64 || ppc64le 6 7 package runtime 8 9 import "unsafe" 10 11 // adjust Gobuf as if it executed a call to fn with context ctxt 12 // and then did an immediate Gosave. 13 func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) { 14 if buf.lr != 0 { 15 throw("invalid use of gostartcall") 16 } 17 buf.lr = buf.pc 18 buf.pc = uintptr(fn) 19 buf.ctxt = ctxt 20 } 21 22 func prepGoExitFrame(sp uintptr) 23