| // Copyright 2015 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 darwin |
| // +build arm arm64 |
| |
| package cgo |
| |
| import "unsafe" |
| |
| //go:cgo_import_static x_cgo_panicmem |
| //go:linkname x_cgo_panicmem x_cgo_panicmem |
| var x_cgo_panicmem uintptr |
| |
| // TODO(crawshaw): move this into x_cgo_init, it will not run until |
| // runtime has finished loading, which may be after its use. |
| func init() { |
| x_cgo_panicmem = funcPC(panicmem) |
| } |
| |
| func funcPC(f interface{}) uintptr { |
| var ptrSize = unsafe.Sizeof(uintptr(0)) |
| return **(**uintptr)(add(unsafe.Pointer(&f), ptrSize)) |
| } |
| |
| func add(p unsafe.Pointer, x uintptr) unsafe.Pointer { |
| return unsafe.Pointer(uintptr(p) + x) |
| } |
| |
| func panicmem() |
