libsanitizer/sanitizer_common/sanitizer_freebsd.h

   1 //===-- sanitizer_freebsd.h -------------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is a part of Sanitizer runtime. It contains FreeBSD-specific
   9 // definitions.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef SANITIZER_FREEBSD_H
  14 #define SANITIZER_FREEBSD_H
  15
  16 #include "sanitizer_internal_defs.h"
  17
  18 // x86-64 FreeBSD 9.2 and older define 'ucontext_t' incorrectly in
  19 // 32-bit mode.
  20 #if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
  21 # include <osreldate.h>
  22 # if __FreeBSD_version <= 902001  // v9.2
  23 #  include <link.h>
  24 #  include <sys/param.h>
  25 #  include <ucontext.h>
  26
  27 namespace __sanitizer {
  28
  29 typedef unsigned long long __xuint64_t;
  30
  31 typedef __int32_t __xregister_t;
  32
  33 typedef struct __xmcontext {
  34   __xregister_t mc_onstack;
  35   __xregister_t mc_gs;
  36   __xregister_t mc_fs;
  37   __xregister_t mc_es;
  38   __xregister_t mc_ds;
  39   __xregister_t mc_edi;
  40   __xregister_t mc_esi;
  41   __xregister_t mc_ebp;
  42   __xregister_t mc_isp;
  43   __xregister_t mc_ebx;
  44   __xregister_t mc_edx;
  45   __xregister_t mc_ecx;
  46   __xregister_t mc_eax;
  47   __xregister_t mc_trapno;
  48   __xregister_t mc_err;
  49   __xregister_t mc_eip;
  50   __xregister_t mc_cs;
  51   __xregister_t mc_eflags;
  52   __xregister_t mc_esp;
  53   __xregister_t mc_ss;
  54
  55   int mc_len;
  56   int mc_fpformat;
  57   int mc_ownedfp;
  58   __xregister_t mc_flags;
  59
  60   int mc_fpstate[128] __aligned(16);
  61   __xregister_t mc_fsbase;
  62   __xregister_t mc_gsbase;
  63   __xregister_t mc_xfpustate;
  64   __xregister_t mc_xfpustate_len;
  65
  66   int mc_spare2[4];
  67 } xmcontext_t;
  68
  69 typedef struct __xucontext {
  70   sigset_t  uc_sigmask;
  71   xmcontext_t  uc_mcontext;
  72
  73   struct __ucontext *uc_link;
  74   stack_t uc_stack;
  75   int uc_flags;
  76   int __spare__[4];
  77 } xucontext_t;
  78
  79 struct xkinfo_vmentry {
  80   int kve_structsize;
  81   int kve_type;
  82   __xuint64_t kve_start;
  83   __xuint64_t kve_end;
  84   __xuint64_t kve_offset;
  85   __xuint64_t kve_vn_fileid;
  86   __uint32_t kve_vn_fsid;
  87   int kve_flags;
  88   int kve_resident;
  89   int kve_private_resident;
  90   int kve_protection;
  91   int kve_ref_count;
  92   int kve_shadow_count;
  93   int kve_vn_type;
  94   __xuint64_t kve_vn_size;
  95   __uint32_t kve_vn_rdev;
  96   __uint16_t kve_vn_mode;
  97   __uint16_t kve_status;
  98   int _kve_ispare[12];
  99   char kve_path[PATH_MAX];
 100 };
 101
 102 typedef struct {
 103   __uint32_t p_type;
 104   __uint32_t p_offset;
 105   __uint32_t p_vaddr;
 106   __uint32_t p_paddr;
 107   __uint32_t p_filesz;
 108   __uint32_t p_memsz;
 109   __uint32_t p_flags;
 110   __uint32_t p_align;
 111 } XElf32_Phdr;
 112
 113 struct xdl_phdr_info {
 114   Elf_Addr dlpi_addr;
 115   const char *dlpi_name;
 116   const XElf32_Phdr *dlpi_phdr;
 117   Elf_Half dlpi_phnum;
 118   unsigned long long int dlpi_adds;
 119   unsigned long long int dlpi_subs;
 120   size_t dlpi_tls_modid;
 121   void *dlpi_tls_data;
 122 };
 123
 124 typedef int (*__xdl_iterate_hdr_callback)(struct xdl_phdr_info*, size_t, void*);
 125 typedef int xdl_iterate_phdr_t(__xdl_iterate_hdr_callback, void*);
 126
 127 #define xdl_iterate_phdr(callback, param) \
 128   (((xdl_iterate_phdr_t*) dl_iterate_phdr)((callback), (param)))
 129
 130 }  // namespace __sanitizer
 131
 132 # endif  // __FreeBSD_version <= 902001
 133 #endif  // SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
 134
 135 #endif  // SANITIZER_FREEBSD_H