src/compiler-rt/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 <link.h>
  26 #  include <sys/param.h>
  27 #  include <ucontext.h>
  28
  29 namespace __sanitizer {
  30
  31 typedef unsigned long long __xuint64_t;
  32
  33 typedef __int32_t __xregister_t;
  34
  35 typedef struct __xmcontext {
  36   __xregister_t mc_onstack;
  37   __xregister_t mc_gs;
  38   __xregister_t mc_fs;
  39   __xregister_t mc_es;
  40   __xregister_t mc_ds;
  41   __xregister_t mc_edi;
  42   __xregister_t mc_esi;
  43   __xregister_t mc_ebp;
  44   __xregister_t mc_isp;
  45   __xregister_t mc_ebx;
  46   __xregister_t mc_edx;
  47   __xregister_t mc_ecx;
  48   __xregister_t mc_eax;
  49   __xregister_t mc_trapno;
  50   __xregister_t mc_err;
  51   __xregister_t mc_eip;
  52   __xregister_t mc_cs;
  53   __xregister_t mc_eflags;
  54   __xregister_t mc_esp;
  55   __xregister_t mc_ss;
  56
  57   int mc_len;
  58   int mc_fpformat;
  59   int mc_ownedfp;
  60   __xregister_t mc_flags;
  61
  62   int mc_fpstate[128] __aligned(16);
  63   __xregister_t mc_fsbase;
  64   __xregister_t mc_gsbase;
  65   __xregister_t mc_xfpustate;
  66   __xregister_t mc_xfpustate_len;
  67
  68   int mc_spare2[4];
  69 } xmcontext_t;
  70
  71 typedef struct __xucontext {
  72   sigset_t  uc_sigmask;
  73   xmcontext_t  uc_mcontext;
  74
  75   struct __ucontext *uc_link;
  76   stack_t uc_stack;
  77   int uc_flags;
  78   int __spare__[4];
  79 } xucontext_t;
  80
  81 struct xkinfo_vmentry {
  82   int kve_structsize;
  83   int kve_type;
  84   __xuint64_t kve_start;
  85   __xuint64_t kve_end;
  86   __xuint64_t kve_offset;
  87   __xuint64_t kve_vn_fileid;
  88   __uint32_t kve_vn_fsid;
  89   int kve_flags;
  90   int kve_resident;
  91   int kve_private_resident;
  92   int kve_protection;
  93   int kve_ref_count;
  94   int kve_shadow_count;
  95   int kve_vn_type;
  96   __xuint64_t kve_vn_size;
  97   __uint32_t kve_vn_rdev;
  98   __uint16_t kve_vn_mode;
  99   __uint16_t kve_status;
 100   int _kve_ispare[12];
 101   char kve_path[PATH_MAX];
 102 };
 103
 104 typedef struct {
 105   __uint32_t p_type;
 106   __uint32_t p_offset;
 107   __uint32_t p_vaddr;
 108   __uint32_t p_paddr;
 109   __uint32_t p_filesz;
 110   __uint32_t p_memsz;
 111   __uint32_t p_flags;
 112   __uint32_t p_align;
 113 } XElf32_Phdr;
 114
 115 struct xdl_phdr_info {
 116   Elf_Addr dlpi_addr;
 117   const char *dlpi_name;
 118   const XElf32_Phdr *dlpi_phdr;
 119   Elf_Half dlpi_phnum;
 120   unsigned long long int dlpi_adds;
 121   unsigned long long int dlpi_subs;
 122   size_t dlpi_tls_modid;
 123   void *dlpi_tls_data;
 124 };
 125
 126 typedef int (*__xdl_iterate_hdr_callback)(struct xdl_phdr_info*, size_t, void*);
 127 typedef int xdl_iterate_phdr_t(__xdl_iterate_hdr_callback, void*);
 128
 129 #define xdl_iterate_phdr(callback, param) \
 130   (((xdl_iterate_phdr_t*) dl_iterate_phdr)((callback), (param)))
 131
 132 }  // namespace __sanitizer
 133
 134 # endif  // __FreeBSD_version <= 902001
 135 #endif  // SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
 136
 137 #endif  // SANITIZER_FREEBSD_H