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 #ifndef GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_USER_H 31 #define GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_USER_H 32 33 // The purpose of this file is to glue the mismatching headers (Android NDK vs 34 // glibc) and therefore avoid doing otherwise awkward #ifdefs in the code. 35 // The following quirks are currently handled by this file: 36 // - MIPS: Keep using forked definitions of user.h structs. The definition in 37 // the NDK is completely different. Internal bug b/18097715 38 // - i386: Use the Android NDK but alias user_fxsr_struct > user_fpxregs_struct. 39 // - x86_64: Override a typo in user_fpregs_struct (mxcsr_mask -> mxcr_mask). 40 // The typo has been fixed in NDK r10d, but a preprocessor workaround is 41 // required to make breakpad build with r10c and lower (more details below). 42 // - Other platforms: Just use the Android NDK unchanged. 43 44 #ifdef __mips__ 45 #ifdef __cplusplus 46 extern "C" { 47 #endif // __cplusplus 48 49 #define EF_REG0 6 50 #define EF_REG1 7 51 #define EF_REG2 8 52 #define EF_REG3 9 53 #define EF_REG4 10 54 #define EF_REG5 11 55 #define EF_REG6 12 56 #define EF_REG7 13 57 #define EF_REG8 14 58 #define EF_REG9 15 59 #define EF_REG10 16 60 #define EF_REG11 17 61 #define EF_REG12 18 62 #define EF_REG13 19 63 #define EF_REG14 20 64 #define EF_REG15 21 65 #define EF_REG16 22 66 #define EF_REG17 23 67 #define EF_REG18 24 68 #define EF_REG19 25 69 #define EF_REG20 26 70 #define EF_REG21 27 71 #define EF_REG22 28 72 #define EF_REG23 29 73 #define EF_REG24 30 74 #define EF_REG25 31 75 76 /* 77 * k0/k1 unsaved 78 */ 79 #define EF_REG26 32 80 #define EF_REG27 33 81 #define EF_REG28 34 82 #define EF_REG29 35 83 #define EF_REG30 36 84 #define EF_REG31 37 85 86 /* 87 * Saved special registers 88 */ 89 #define EF_LO 38 90 #define EF_HI 39 91 #define EF_CP0_EPC 40 92 #define EF_CP0_BADVADDR 41 93 #define EF_CP0_STATUS 42 94 #define EF_CP0_CAUSE 43 95 96 struct user_regs_struct { 97 unsigned long long regs[32]; 98 unsigned long long lo; 99 unsigned long long hi; 100 unsigned long long epc; 101 unsigned long long badvaddr; 102 unsigned long long status; 103 unsigned long long cause; 104 }; 105 106 struct user_fpregs_struct { 107 unsigned long long regs[32]; 108 unsigned int fpcsr; 109 unsigned int fir; 110 }; 111 112 #ifdef __cplusplus 113 } // extern "C" 114 #endif // __cplusplus 115 116 #else // __mips__ 117 118 // TODO(primiano): remove this after Chromium has stably rolled to NDK r10d. 119 // Historical context: NDK releases < r10d had a typo in sys/user.h (mxcsr_mask 120 // instead of mxcr_mask), which is fixed in r10d. However, just switching to use 121 // the correct one (mxcr_mask) would put Breakpad in a state where it can be 122 // rolled in chromium only atomically with the r10d NDK. A revert of either 123 // project (android_tools, breakpad) would make the other one unrollable. 124 // This hack makes breakpad code compatible with both r10c and r10d NDKs, 125 // reducing the dependency entangling with android_tools. 126 #if defined(__x86_64__) 127 #define mxcsr_mask mxcr_mask 128 #endif 129 130 #include_next <sys/user.h> 131 132 #if defined(__x86_64__) 133 #undef mxcsr_mask 134 #endif 135 136 #endif // __mips__ 137 138 #endif // GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_USER_H 139
