From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- src/runtime/sys_x86.go | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/runtime/sys_x86.go (limited to 'src/runtime/sys_x86.go') diff --git a/src/runtime/sys_x86.go b/src/runtime/sys_x86.go new file mode 100644 index 0000000..f917cb8 --- /dev/null +++ b/src/runtime/sys_x86.go @@ -0,0 +1,27 @@ +// Copyright 2013 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. + +// +build amd64 386 + +package runtime + +import ( + "runtime/internal/sys" + "unsafe" +) + +// adjust Gobuf as if it executed a call to fn with context ctxt +// and then did an immediate gosave. +func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) { + sp := buf.sp + if sys.RegSize > sys.PtrSize { + sp -= sys.PtrSize + *(*uintptr)(unsafe.Pointer(sp)) = 0 + } + sp -= sys.PtrSize + *(*uintptr)(unsafe.Pointer(sp)) = buf.pc + buf.sp = sp + buf.pc = uintptr(fn) + buf.ctxt = ctxt +} -- cgit v1.2.3