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_ARM_H
30 #define _LIBUNWINDSTACK_UCONTEXT_ARM_H
31 
32 #include <stdint.h>
33 
34 #include <unwindstack/MachineArm.h>
35 
36 namespace unwindstack {
37 
38 struct arm_stack_t {
39   uint32_t ss_sp;    // void __user*
40   int32_t ss_flags;  // int
41   uint32_t ss_size;  // size_t
42 };
43 
44 struct arm_mcontext_t {
45   uint32_t trap_no;             // unsigned long
46   uint32_t error_code;          // unsigned long
47   uint32_t oldmask;             // unsigned long
48   uint32_t regs[ARM_REG_LAST];  // unsigned long
49   uint32_t cpsr;                // unsigned long
50   uint32_t fault_address;       // unsigned long
51 };
52 
53 struct arm_ucontext_t {
54   uint32_t uc_flags;  // unsigned long
55   uint32_t uc_link;   // struct ucontext*
56   arm_stack_t uc_stack;
57   arm_mcontext_t uc_mcontext;
58   // Nothing else is used, so don't define it.
59 };
60 
61 }  // namespace unwindstack
62 
63 #endif  // _LIBUNWINDSTACK_UCONTEXT_ARM_H
64