1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *  * Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *  * Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in
12  *    the documentation and/or other materials provided with the
13  *    distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _LIBUNWINDSTACK_UCONTEXT_X86_64_H
30 #define _LIBUNWINDSTACK_UCONTEXT_X86_64_H
31 
32 #include <stdint.h>
33 
34 #include <unwindstack/MachineX86_64.h>
35 
36 namespace unwindstack {
37 
38 struct x86_64_stack_t {
39   uint64_t ss_sp;    // void __user*
40   int32_t ss_flags;  // int
41   int32_t pad;
42   uint64_t ss_size;  // size_t
43 };
44 
45 struct x86_64_mcontext_t {
46   uint64_t r8;
47   uint64_t r9;
48   uint64_t r10;
49   uint64_t r11;
50   uint64_t r12;
51   uint64_t r13;
52   uint64_t r14;
53   uint64_t r15;
54   uint64_t rdi;
55   uint64_t rsi;
56   uint64_t rbp;
57   uint64_t rbx;
58   uint64_t rdx;
59   uint64_t rax;
60   uint64_t rcx;
61   uint64_t rsp;
62   uint64_t rip;
63   uint64_t efl;
64   uint64_t csgsfs;
65   uint64_t err;
66   uint64_t trapno;
67   uint64_t oldmask;
68   uint64_t cr2;
69   // Only care about the registers, skip everything else.
70 };
71 
72 struct x86_64_ucontext_t {
73   uint64_t uc_flags;  // unsigned long
74   uint64_t uc_link;   // struct ucontext*
75   x86_64_stack_t uc_stack;
76   x86_64_mcontext_t uc_mcontext;
77   // Nothing else is used, so don't define it.
78 };
79 
80 }  // namespace unwindstack
81 
82 #endif  // _LIBUNWINDSTACK_UCONTEXT_X86_64_H
83