1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef SANDBOX_LINUX_SYSTEM_HEADERS_ARM64_LINUX_UCONTEXT_H_
6#define SANDBOX_LINUX_SYSTEM_HEADERS_ARM64_LINUX_UCONTEXT_H_
7
8#if !defined(__BIONIC_HAVE_UCONTEXT_T)
9#include <asm/sigcontext.h>
10#include <signal.h>
11#include <stdint.h>
12// We also need greg_t for the sandbox, include it in this header as well.
13typedef uint64_t greg_t;
14
15struct ucontext_t {
16  unsigned long uc_flags;
17  struct ucontext* uc_link;
18  stack_t uc_stack;
19  sigset_t uc_sigmask;
20  /* glibc uses a 1024-bit sigset_t */
21  uint8_t unused[1024 / 8 - sizeof(sigset_t)];
22  /* last for future expansion */
23  struct sigcontext uc_mcontext;
24};
25
26#else
27#include <sys/ucontext.h>
28#endif  // __BIONIC_HAVE_UCONTEXT_T
29
30#endif  // SANDBOX_LINUX_SYSTEM_HEADERS_ARM64_LINUX_UCONTEXT_H_
31