compiler-rt/lib/sanitizer_common/sanitizer_freebsd.h

   1 //===-- sanitizer_freebsd.h -------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of Sanitizer runtime. It contains FreeBSD-specific
  10 // definitions.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef SANITIZER_FREEBSD_H
  15 #define SANITIZER_FREEBSD_H
  16
  17 #include "sanitizer_internal_defs.h"
  18
  19 // x86-64 FreeBSD 9.2 and older define 'ucontext_t' incorrectly in
  20 // 32-bit mode.
  21 #if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
  22 #include <osreldate.h>
  23 #if __FreeBSD_version <= 902001  // v9.2
  24 #include <link.h>
  25 #include <sys/param.h>
  26 #include <ucontext.h>
  27
  28 namespace __sanitizer {
  29
  30 typedef unsigned long long __xuint64_t;
  31
  32 typedef __int32_t __xregister_t;
  33
  34 typedef struct __xmcontext {
  35   __xregister_t mc_onstack;
  36   __xregister_t mc_gs;
  37   __xregister_t mc_fs;
  38   __xregister_t mc_es;
  39   __xregister_t mc_ds;
  40   __xregister_t mc_edi;
  41   __xregister_t mc_esi;
  42   __xregister_t mc_ebp;
  43   __xregister_t mc_isp;
  44   __xregister_t mc_ebx;
  45   __xregister_t mc_edx;
  46   __xregister_t mc_ecx;
  47   __xregister_t mc_eax;
  48   __xregister_t mc_trapno;
  49   __xregister_t mc_err;
  50   __xregister_t mc_eip;
  51   __xregister_t mc_cs;
  52   __xregister_t mc_eflags;
  53   __xregister_t mc_esp;
  54   __xregister_t mc_ss;
  55
  56   int mc_len;
  57   int mc_fpformat;
  58   int mc_ownedfp;
  59   __xregister_t mc_flags;
  60
  61   int mc_fpstate[128] __aligned(16);
  62   __xregister_t mc_fsbase;
  63   __xregister_t mc_gsbase;
  64   __xregister_t mc_xfpustate;
  65   __xregister_t mc_xfpustate_len;
  66
  67   int mc_spare2[4];
  68 } xmcontext_t;
  69
  70 typedef struct __xucontext {
  71   sigset_t uc_sigmask;
  72   xmcontext_t uc_mcontext;
  73
  74   struct __ucontext *uc_link;
  75   stack_t uc_stack;
  76   int uc_flags;
  77   int __spare__[4];
  78 } xucontext_t;
  79
  80 struct xkinfo_vmentry {
  81   int kve_structsize;
  82   int kve_type;
  83   __xuint64_t kve_start;
  84   __xuint64_t kve_end;
  85   __xuint64_t kve_offset;
  86   __xuint64_t kve_vn_fileid;
  87   __uint32_t kve_vn_fsid;
  88   int kve_flags;
  89   int kve_resident;
  90   int kve_private_resident;
  91   int kve_protection;
  92   int kve_ref_count;
  93   int kve_shadow_count;
  94   int kve_vn_type;
  95   __xuint64_t kve_vn_size;
  96   __uint32_t kve_vn_rdev;
  97   __uint16_t kve_vn_mode;
  98   __uint16_t kve_status;
  99   int _kve_ispare[12];
 100   char kve_path[PATH_MAX];
 101 };
 102
 103 typedef struct {
 104   __uint32_t p_type;
 105   __uint32_t p_offset;
 106   __uint32_t p_vaddr;
 107   __uint32_t p_paddr;
 108   __uint32_t p_filesz;
 109   __uint32_t p_memsz;
 110   __uint32_t p_flags;
 111   __uint32_t p_align;
 112 } XElf32_Phdr;
 113
 114 struct xdl_phdr_info {
 115   Elf_Addr dlpi_addr;
 116   const char *dlpi_name;
 117   const XElf32_Phdr *dlpi_phdr;
 118   Elf_Half dlpi_phnum;
 119   unsigned long long int dlpi_adds;
 120   unsigned long long int dlpi_subs;
 121   size_t dlpi_tls_modid;
 122   void *dlpi_tls_data;
 123 };
 124
 125 typedef int (*__xdl_iterate_hdr_callback)(struct xdl_phdr_info *, size_t,
 126                                           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