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_H 30 #define _LIBUNWINDSTACK_UCONTEXT_X86_H 31 32 #include <stdint.h> 33 34 #include <unwindstack/MachineX86.h> 35 36 namespace unwindstack { 37 38 struct x86_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 x86_mcontext_t { 45 uint32_t gs; 46 uint32_t fs; 47 uint32_t es; 48 uint32_t ds; 49 uint32_t edi; 50 uint32_t esi; 51 uint32_t ebp; 52 uint32_t esp; 53 uint32_t ebx; 54 uint32_t edx; 55 uint32_t ecx; 56 uint32_t eax; 57 uint32_t trapno; 58 uint32_t err; 59 uint32_t eip; 60 uint32_t cs; 61 uint32_t efl; 62 uint32_t uesp; 63 uint32_t ss; 64 // Only care about the registers, skip everything else. 65 }; 66 67 struct x86_ucontext_t { 68 uint32_t uc_flags; // unsigned long 69 uint32_t uc_link; // struct ucontext* 70 x86_stack_t uc_stack; 71 x86_mcontext_t uc_mcontext; 72 // Nothing else is used, so don't define it. 73 }; 74 75 } // namespace unwindstack 76 77 #endif // _LIBUNWINDSTACK_UCONTEXT_X86_H 78