| Pavel Chupin | e61d106 | 2014-01-27 17:56:43 +0400 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2014 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 _SYS_UCONTEXT_H_ |
| 30 | #define _SYS_UCONTEXT_H_ |
| 31 | |
| 32 | #include <signal.h> |
| 33 | #include <sys/user.h> |
| 34 | |
| 35 | __BEGIN_DECLS |
| 36 | |
| 37 | #if defined(__x86_64__) |
| 38 | |
| 39 | enum { |
| 40 | REG_R8 = 0, |
| 41 | REG_R9, |
| 42 | REG_R10, |
| 43 | REG_R11, |
| 44 | REG_R12, |
| 45 | REG_R13, |
| 46 | REG_R14, |
| 47 | REG_R15, |
| 48 | REG_RDI, |
| 49 | REG_RSI, |
| 50 | REG_RBP, |
| 51 | REG_RBX, |
| 52 | REG_RDX, |
| 53 | REG_RAX, |
| 54 | REG_RCX, |
| 55 | REG_RSP, |
| 56 | REG_RIP, |
| 57 | REG_EFL, |
| 58 | REG_CSGSFS, |
| 59 | REG_ERR, |
| 60 | REG_TRAPNO, |
| 61 | REG_OLDMASK, |
| 62 | REG_CR2, |
| 63 | NGREG |
| 64 | }; |
| 65 | |
| 66 | typedef long greg_t; |
| 67 | typedef greg_t gregset_t[NGREG]; |
| 68 | |
| 69 | typedef struct user_i387_struct* fpregset_t; |
| 70 | |
| 71 | typedef struct { |
| 72 | gregset_t gregs; |
| 73 | fpregset_t fpregs; |
| 74 | /* TODO: reserved space? */ |
| 75 | } mcontext_t; |
| 76 | |
| 77 | typedef struct ucontext { |
| 78 | unsigned long uc_flags; |
| 79 | struct ucontext* uc_link; |
| 80 | stack_t uc_stack; |
| 81 | mcontext_t uc_mcontext; |
| 82 | sigset_t uc_sigmask; |
| 83 | /* TODO: __fpregs_mem? */ |
| 84 | } ucontext_t; |
| 85 | |
| 86 | #endif /* x86_64 */ |
| 87 | |
| 88 | __END_DECLS |
| 89 | |
| 90 | #endif /* _SYS_UCONTEXT_H_ */ |