sanitizer_freebsd.h revision 5d71de26cedae3dafc17449fe0182045c0bd20e8 
1//===-- sanitizer_freebsd.h -------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of Sanitizer runtime. It contains FreeBSD-specific
11// definitions.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef SANITIZER_FREEBSD_H
16#define SANITIZER_FREEBSD_H
17
18#include "sanitizer_internal_defs.h"
19
20// x86-64 FreeBSD 9.2 and older define 'ucontext_t' incorrectly in
21// 32-bit mode.
22#if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
23# include <osreldate.h>
24# if __FreeBSD_version <= 902001  // v9.2
25#  include <ucontext.h>
26
27namespace __sanitizer {
28
29typedef __int32_t __xregister_t;
30
31typedef struct __xmcontext {
32  __xregister_t mc_onstack;
33  __xregister_t mc_gs;
34  __xregister_t mc_fs;
35  __xregister_t mc_es;
36  __xregister_t mc_ds;
37  __xregister_t mc_edi;
38  __xregister_t mc_esi;
39  __xregister_t mc_ebp;
40  __xregister_t mc_isp;
41  __xregister_t mc_ebx;
42  __xregister_t mc_edx;
43  __xregister_t mc_ecx;
44  __xregister_t mc_eax;
45  __xregister_t mc_trapno;
46  __xregister_t mc_err;
47  __xregister_t mc_eip;
48  __xregister_t mc_cs;
49  __xregister_t mc_eflags;
50  __xregister_t mc_esp;
51  __xregister_t mc_ss;
52
53  int mc_len;
54  int mc_fpformat;
55  int mc_ownedfp;
56  __xregister_t mc_flags;
57
58  int mc_fpstate[128] __aligned(16);
59  __xregister_t mc_fsbase;
60  __xregister_t mc_gsbase;
61  __xregister_t mc_xfpustate;
62  __xregister_t mc_xfpustate_len;
63
64  int mc_spare2[4];
65} xmcontext_t;
66
67typedef struct __xucontext {
68  sigset_t  uc_sigmask;
69  xmcontext_t  uc_mcontext;
70
71  struct __ucontext *uc_link;
72  stack_t uc_stack;
73  int uc_flags;
74  int __spare__[4];
75} xucontext_t;
76
77}  // namespace __sanitizer
78
79# endif  // __FreeBSD_version <= 902001
80#endif  // SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
81
82#endif  // SANITIZER_FREEBSD_H
83