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
29namespace __sanitizer {
30
31typedef unsigned long long __xuint64_t;
32
33typedef __int32_t __xregister_t;
34
35typedef 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
71typedef 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
81struct 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
104typedef 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
115struct 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
126typedef int (*__xdl_iterate_hdr_callback)(struct xdl_phdr_info*, size_t, void*);
127typedef 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
138