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
28namespace __sanitizer {
29
30typedef unsigned long long __xuint64_t;
31
32typedef __int32_t __xregister_t;
33
34typedef 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
70typedef 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
80struct 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
103typedef 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
114struct 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
125typedef int (*__xdl_iterate_hdr_callback)(struct xdl_phdr_info*, size_t, void*);
126typedef int xdl_iterate_phdr_t(__xdl_iterate_hdr_callback, void*);
127
128#define xdl_iterate_phdr(callback, param) \
129  (((xdl_iterate_phdr_t*) dl_iterate_phdr)((callback), (param)))
130
131}  // namespace __sanitizer
132
133# endif  // __FreeBSD_version <= 902001
134#endif  // SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
135
136#endif  // SANITIZER_FREEBSD_H
137