lib/sanitizer_common/sanitizer_freebsd.h

   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
  27 namespace __sanitizer {
  28
  29 typedef __int32_t __xregister_t;
  30
  31 typedef 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
  67 typedef 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