1 // Copyright (c) 2012, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 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 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 // This header can be included either from a C, C++ or Assembly file. 31 // Its purpose is to contain constants that must match the offsets of 32 // various fields in ucontext_t. 33 // 34 // They should match the definitions from 35 // src/common/android/include/sys/ucontext.h 36 // 37 // Used by src/common/android/breakpad_getcontext.S 38 // Tested by src/common/android/testing/breakpad_getcontext_unittest.cc 39 40 #ifndef GOOGLEBREAKPAD_COMMON_ANDROID_UCONTEXT_CONSTANTS_H 41 #define GOOGLEBREAKPAD_COMMON_ANDROID_UCONTEXT_CONSTANTS_H 42 43 #if defined(__arm__) 44 45 #define MCONTEXT_GREGS_OFFSET 32 46 #define UCONTEXT_SIGMASK_OFFSET 104 47 48 #elif defined(__aarch64__) 49 50 #define UCONTEXT_SIGMASK_OFFSET 40 51 52 #define MCONTEXT_GREGS_OFFSET 184 53 #define MCONTEXT_SP_OFFSET 432 54 #define MCONTEXT_PC_OFFSET 440 55 #define MCONTEXT_PSTATE_OFFSET 448 56 #define MCONTEXT_EXTENSION_OFFSET 464 57 58 #define FPSIMD_MAGIC 0x46508001 59 60 #define FPSIMD_CONTEXT_MAGIC_OFFSET 0 61 #define FPSIMD_CONTEXT_SIZE_OFFSET 4 62 #define FPSIMD_CONTEXT_FPSR_OFFSET 8 63 #define FPSIMD_CONTEXT_FPCR_OFFSET 12 64 #define FPSIMD_CONTEXT_VREGS_OFFSET 16 65 #define FPSIMD_CONTEXT_SIZE 528 66 67 #define REGISTER_SIZE 8 68 #define SIMD_REGISTER_SIZE 16 69 70 #elif defined(__i386__) 71 72 #define MCONTEXT_GREGS_OFFSET 20 73 #define MCONTEXT_GS_OFFSET (MCONTEXT_GREGS_OFFSET + 0*4) 74 #define MCONTEXT_FS_OFFSET (MCONTEXT_GREGS_OFFSET + 1*4) 75 #define MCONTEXT_ES_OFFSET (MCONTEXT_GREGS_OFFSET + 2*4) 76 #define MCONTEXT_DS_OFFSET (MCONTEXT_GREGS_OFFSET + 3*4) 77 #define MCONTEXT_EDI_OFFSET (MCONTEXT_GREGS_OFFSET + 4*4) 78 #define MCONTEXT_ESI_OFFSET (MCONTEXT_GREGS_OFFSET + 5*4) 79 #define MCONTEXT_EBP_OFFSET (MCONTEXT_GREGS_OFFSET + 6*4) 80 #define MCONTEXT_ESP_OFFSET (MCONTEXT_GREGS_OFFSET + 7*4) 81 #define MCONTEXT_EBX_OFFSET (MCONTEXT_GREGS_OFFSET + 8*4) 82 #define MCONTEXT_EDX_OFFSET (MCONTEXT_GREGS_OFFSET + 9*4) 83 #define MCONTEXT_ECX_OFFSET (MCONTEXT_GREGS_OFFSET + 10*4) 84 #define MCONTEXT_EAX_OFFSET (MCONTEXT_GREGS_OFFSET + 11*4) 85 #define MCONTEXT_TRAPNO_OFFSET (MCONTEXT_GREGS_OFFSET + 12*4) 86 #define MCONTEXT_ERR_OFFSET (MCONTEXT_GREGS_OFFSET + 13*4) 87 #define MCONTEXT_EIP_OFFSET (MCONTEXT_GREGS_OFFSET + 14*4) 88 #define MCONTEXT_CS_OFFSET (MCONTEXT_GREGS_OFFSET + 15*4) 89 #define MCONTEXT_EFL_OFFSET (MCONTEXT_GREGS_OFFSET + 16*4) 90 #define MCONTEXT_UESP_OFFSET (MCONTEXT_GREGS_OFFSET + 17*4) 91 #define MCONTEXT_SS_OFFSET (MCONTEXT_GREGS_OFFSET + 18*4) 92 93 #define UCONTEXT_SIGMASK_OFFSET 108 94 95 #define UCONTEXT_FPREGS_OFFSET 96 96 #define UCONTEXT_FPREGS_MEM_OFFSET 116 97 98 #elif defined(__mips__) 99 100 #if _MIPS_SIM == _ABIO32 101 #define MCONTEXT_PC_OFFSET 32 102 #define MCONTEXT_GREGS_OFFSET 40 103 #define MCONTEXT_FPREGS_OFFSET 296 104 #define MCONTEXT_FPC_CSR 556 105 #define UCONTEXT_SIGMASK_OFFSET 616 106 #else 107 #define MCONTEXT_GREGS_OFFSET 40 108 #define MCONTEXT_FPREGS_OFFSET 296 109 #define MCONTEXT_PC_OFFSET 616 110 #define MCONTEXT_FPC_CSR 624 111 #define UCONTEXT_SIGMASK_OFFSET 640 112 #endif 113 114 #elif defined(__x86_64__) 115 116 #define MCONTEXT_GREGS_OFFSET 40 117 #define UCONTEXT_SIGMASK_OFFSET 296 118 119 #define MCONTEXT_GREGS_R8 40 120 #define MCONTEXT_GREGS_R9 48 121 #define MCONTEXT_GREGS_R10 56 122 #define MCONTEXT_GREGS_R11 64 123 #define MCONTEXT_GREGS_R12 72 124 #define MCONTEXT_GREGS_R13 80 125 #define MCONTEXT_GREGS_R14 88 126 #define MCONTEXT_GREGS_R15 96 127 #define MCONTEXT_GREGS_RDI 104 128 #define MCONTEXT_GREGS_RSI 112 129 #define MCONTEXT_GREGS_RBP 120 130 #define MCONTEXT_GREGS_RBX 128 131 #define MCONTEXT_GREGS_RDX 136 132 #define MCONTEXT_GREGS_RAX 144 133 #define MCONTEXT_GREGS_RCX 152 134 #define MCONTEXT_GREGS_RSP 160 135 #define MCONTEXT_GREGS_RIP 168 136 #define MCONTEXT_FPREGS_PTR 224 137 #define MCONTEXT_FPREGS_MEM 304 138 #define FPREGS_OFFSET_MXCSR 24 139 140 #else 141 #error "This header has not been ported for your CPU" 142 #endif 143 144 #endif // GOOGLEBREAKPAD_COMMON_ANDROID_UCONTEXT_CONSTANTS_H 145