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comparison: toolkit/crashreporter/google-breakpad/src/common/android/include/sys/ucontext.h
toolkit/crashreporter/google-breakpad/src/common/android/include/sys/ucontext.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:d3a7036db966 |
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| 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_UCONTEXT_H | |
| 31 #define GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H | |
| 32 | |
| 33 #include <sys/cdefs.h> | |
| 34 #include <signal.h> | |
| 35 | |
| 36 #ifdef __cplusplus | |
| 37 extern "C" { | |
| 38 #endif // __cplusplus | |
| 39 | |
| 40 #ifndef __BIONIC_HAVE_UCONTEXT_T | |
| 41 | |
| 42 // Ensure that 'stack_t' is defined. | |
| 43 #include <asm/signal.h> | |
| 44 | |
| 45 // This version of the Android C library headers do not provide ucontext_t. | |
| 46 // Provide custom definitions for Google Breakpad. | |
| 47 #if defined(__arm__) | |
| 48 | |
| 49 // Ensure that 'struct sigcontext' is defined. | |
| 50 #include <asm/sigcontext.h> | |
| 51 typedef struct sigcontext mcontext_t; | |
| 52 | |
| 53 // The ARM kernel uses a 64-bit signal mask. | |
| 54 typedef uint32_t kernel_sigmask_t[2]; | |
| 55 | |
| 56 typedef struct ucontext { | |
| 57 uint32_t uc_flags; | |
| 58 struct ucontext* uc_link; | |
| 59 stack_t uc_stack; | |
| 60 mcontext_t uc_mcontext; | |
| 61 kernel_sigmask_t uc_sigmask; | |
| 62 // Other fields are not used by Google Breakpad. Don't define them. | |
| 63 } ucontext_t; | |
| 64 | |
| 65 #elif defined(__i386__) | |
| 66 | |
| 67 /* 80-bit floating-point register */ | |
| 68 struct _libc_fpreg { | |
| 69 unsigned short significand[4]; | |
| 70 unsigned short exponent; | |
| 71 }; | |
| 72 | |
| 73 /* Simple floating-point state, see FNSTENV instruction */ | |
| 74 struct _libc_fpstate { | |
| 75 unsigned long cw; | |
| 76 unsigned long sw; | |
| 77 unsigned long tag; | |
| 78 unsigned long ipoff; | |
| 79 unsigned long cssel; | |
| 80 unsigned long dataoff; | |
| 81 unsigned long datasel; | |
| 82 struct _libc_fpreg _st[8]; | |
| 83 unsigned long status; | |
| 84 }; | |
| 85 | |
| 86 typedef uint32_t greg_t; | |
| 87 | |
| 88 typedef struct { | |
| 89 uint32_t gregs[19]; | |
| 90 struct _libc_fpstate* fpregs; | |
| 91 uint32_t oldmask; | |
| 92 uint32_t cr2; | |
| 93 } mcontext_t; | |
| 94 | |
| 95 enum { | |
| 96 REG_GS = 0, | |
| 97 REG_FS, | |
| 98 REG_ES, | |
| 99 REG_DS, | |
| 100 REG_EDI, | |
| 101 REG_ESI, | |
| 102 REG_EBP, | |
| 103 REG_ESP, | |
| 104 REG_EBX, | |
| 105 REG_EDX, | |
| 106 REG_ECX, | |
| 107 REG_EAX, | |
| 108 REG_TRAPNO, | |
| 109 REG_ERR, | |
| 110 REG_EIP, | |
| 111 REG_CS, | |
| 112 REG_EFL, | |
| 113 REG_UESP, | |
| 114 REG_SS, | |
| 115 }; | |
| 116 | |
| 117 // The i386 kernel uses a 64-bit signal mask. | |
| 118 typedef uint32_t kernel_sigmask_t[2]; | |
| 119 | |
| 120 typedef struct ucontext { | |
| 121 uint32_t uc_flags; | |
| 122 struct ucontext* uc_link; | |
| 123 stack_t uc_stack; | |
| 124 mcontext_t uc_mcontext; | |
| 125 kernel_sigmask_t uc_sigmask; | |
| 126 struct _libc_fpstate __fpregs_mem; | |
| 127 } ucontext_t; | |
| 128 | |
| 129 #elif defined(__mips__) | |
| 130 | |
| 131 // Not supported by Google Breakpad at this point, but just in case. | |
| 132 typedef struct { | |
| 133 uint32_t regmask; | |
| 134 uint32_t status; | |
| 135 uint64_t pc; | |
| 136 uint64_t gregs[32]; | |
| 137 uint64_t fpregs[32]; | |
| 138 uint32_t acx; | |
| 139 uint32_t fpc_csr; | |
| 140 uint32_t fpc_eir; | |
| 141 uint32_t used_math; | |
| 142 uint32_t dsp; | |
| 143 uint64_t mdhi; | |
| 144 uint64_t mdlo; | |
| 145 uint32_t hi1; | |
| 146 uint32_t lo1; | |
| 147 uint32_t hi2; | |
| 148 uint32_t lo2; | |
| 149 uint32_t hi3; | |
| 150 uint32_t lo3; | |
| 151 } mcontext_t; | |
| 152 | |
| 153 // The MIPS kernel uses a 128-bit signal mask. | |
| 154 typedef uint32_t kernel_sigmask_t[4]; | |
| 155 | |
| 156 typedef struct ucontext { | |
| 157 uint32_t uc_flags; | |
| 158 struct ucontext* uc_link; | |
| 159 stack_t uc_stack; | |
| 160 mcontext_t uc_mcontext; | |
| 161 kernel_sigmask_t uc_sigmask; | |
| 162 // Other fields are not used by Google Breakpad. Don't define them. | |
| 163 } ucontext_t; | |
| 164 | |
| 165 #else | |
| 166 # error "Unsupported Android CPU ABI!" | |
| 167 #endif | |
| 168 | |
| 169 #endif // __BIONIC_HAVE_UCONTEXT_T | |
| 170 | |
| 171 #ifdef __cplusplus | |
| 172 } // extern "C" | |
| 173 #endif // __cplusplus | |
| 174 | |
| 175 #endif // GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H |
