The Tor Browser / annotate

toolkit/crashreporter/google-breakpad/src/common/android/include/sys/ucontext.h@b8a032363ba2 (annotated)

toolkit/crashreporter/google-breakpad/src/common/android/include/sys/ucontext.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 // Copyright (c) 2012, Google Inc.
michael@0 2 // All rights reserved.
michael@0 3 //
michael@0 4 // Redistribution and use in source and binary forms, with or without
michael@0 5 // modification, are permitted provided that the following conditions are
michael@0 6 // met:
michael@0 7 //
michael@0 8 // * Redistributions of source code must retain the above copyright
michael@0 9 // notice, this list of conditions and the following disclaimer.
michael@0 10 // * Redistributions in binary form must reproduce the above
michael@0 11 // copyright notice, this list of conditions and the following disclaimer
michael@0 12 // in the documentation and/or other materials provided with the
michael@0 13 // distribution.
michael@0 14 // * Neither the name of Google Inc. nor the names of its
michael@0 15 // contributors may be used to endorse or promote products derived from
michael@0 16 // this software without specific prior written permission.
michael@0 17 //
michael@0 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 29
michael@0 30 #ifndef GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H
michael@0 31 #define GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H
michael@0 32
michael@0 33 #include <sys/cdefs.h>
michael@0 34 #include <signal.h>
michael@0 35
michael@0 36 #ifdef __cplusplus
michael@0 37 extern "C" {
michael@0 38 #endif // __cplusplus
michael@0 39
michael@0 40 #ifndef __BIONIC_HAVE_UCONTEXT_T
michael@0 41
michael@0 42 // Ensure that 'stack_t' is defined.
michael@0 43 #include <asm/signal.h>
michael@0 44
michael@0 45 // This version of the Android C library headers do not provide ucontext_t.
michael@0 46 // Provide custom definitions for Google Breakpad.
michael@0 47 #if defined(__arm__)
michael@0 48
michael@0 49 // Ensure that 'struct sigcontext' is defined.
michael@0 50 #include <asm/sigcontext.h>
michael@0 51 typedef struct sigcontext mcontext_t;
michael@0 52
michael@0 53 // The ARM kernel uses a 64-bit signal mask.
michael@0 54 typedef uint32_t kernel_sigmask_t[2];
michael@0 55
michael@0 56 typedef struct ucontext {
michael@0 57 uint32_t uc_flags;
michael@0 58 struct ucontext* uc_link;
michael@0 59 stack_t uc_stack;
michael@0 60 mcontext_t uc_mcontext;
michael@0 61 kernel_sigmask_t uc_sigmask;
michael@0 62 // Other fields are not used by Google Breakpad. Don't define them.
michael@0 63 } ucontext_t;
michael@0 64
michael@0 65 #elif defined(__i386__)
michael@0 66
michael@0 67 /* 80-bit floating-point register */
michael@0 68 struct _libc_fpreg {
michael@0 69 unsigned short significand[4];
michael@0 70 unsigned short exponent;
michael@0 71 };
michael@0 72
michael@0 73 /* Simple floating-point state, see FNSTENV instruction */
michael@0 74 struct _libc_fpstate {
michael@0 75 unsigned long cw;
michael@0 76 unsigned long sw;
michael@0 77 unsigned long tag;
michael@0 78 unsigned long ipoff;
michael@0 79 unsigned long cssel;
michael@0 80 unsigned long dataoff;
michael@0 81 unsigned long datasel;
michael@0 82 struct _libc_fpreg _st[8];
michael@0 83 unsigned long status;
michael@0 84 };
michael@0 85
michael@0 86 typedef uint32_t greg_t;
michael@0 87
michael@0 88 typedef struct {
michael@0 89 uint32_t gregs[19];
michael@0 90 struct _libc_fpstate* fpregs;
michael@0 91 uint32_t oldmask;
michael@0 92 uint32_t cr2;
michael@0 93 } mcontext_t;
michael@0 94
michael@0 95 enum {
michael@0 96 REG_GS = 0,
michael@0 97 REG_FS,
michael@0 98 REG_ES,
michael@0 99 REG_DS,
michael@0 100 REG_EDI,
michael@0 101 REG_ESI,
michael@0 102 REG_EBP,
michael@0 103 REG_ESP,
michael@0 104 REG_EBX,
michael@0 105 REG_EDX,
michael@0 106 REG_ECX,
michael@0 107 REG_EAX,
michael@0 108 REG_TRAPNO,
michael@0 109 REG_ERR,
michael@0 110 REG_EIP,
michael@0 111 REG_CS,
michael@0 112 REG_EFL,
michael@0 113 REG_UESP,
michael@0 114 REG_SS,
michael@0 115 };
michael@0 116
michael@0 117 // The i386 kernel uses a 64-bit signal mask.
michael@0 118 typedef uint32_t kernel_sigmask_t[2];
michael@0 119
michael@0 120 typedef struct ucontext {
michael@0 121 uint32_t uc_flags;
michael@0 122 struct ucontext* uc_link;
michael@0 123 stack_t uc_stack;
michael@0 124 mcontext_t uc_mcontext;
michael@0 125 kernel_sigmask_t uc_sigmask;
michael@0 126 struct _libc_fpstate __fpregs_mem;
michael@0 127 } ucontext_t;
michael@0 128
michael@0 129 #elif defined(__mips__)
michael@0 130
michael@0 131 // Not supported by Google Breakpad at this point, but just in case.
michael@0 132 typedef struct {
michael@0 133 uint32_t regmask;
michael@0 134 uint32_t status;
michael@0 135 uint64_t pc;
michael@0 136 uint64_t gregs[32];
michael@0 137 uint64_t fpregs[32];
michael@0 138 uint32_t acx;
michael@0 139 uint32_t fpc_csr;
michael@0 140 uint32_t fpc_eir;
michael@0 141 uint32_t used_math;
michael@0 142 uint32_t dsp;
michael@0 143 uint64_t mdhi;
michael@0 144 uint64_t mdlo;
michael@0 145 uint32_t hi1;
michael@0 146 uint32_t lo1;
michael@0 147 uint32_t hi2;
michael@0 148 uint32_t lo2;
michael@0 149 uint32_t hi3;
michael@0 150 uint32_t lo3;
michael@0 151 } mcontext_t;
michael@0 152
michael@0 153 // The MIPS kernel uses a 128-bit signal mask.
michael@0 154 typedef uint32_t kernel_sigmask_t[4];
michael@0 155
michael@0 156 typedef struct ucontext {
michael@0 157 uint32_t uc_flags;
michael@0 158 struct ucontext* uc_link;
michael@0 159 stack_t uc_stack;
michael@0 160 mcontext_t uc_mcontext;
michael@0 161 kernel_sigmask_t uc_sigmask;
michael@0 162 // Other fields are not used by Google Breakpad. Don't define them.
michael@0 163 } ucontext_t;
michael@0 164
michael@0 165 #else
michael@0 166 # error "Unsupported Android CPU ABI!"
michael@0 167 #endif
michael@0 168
michael@0 169 #endif // __BIONIC_HAVE_UCONTEXT_T
michael@0 170
michael@0 171 #ifdef __cplusplus
michael@0 172 } // extern "C"
michael@0 173 #endif // __cplusplus
michael@0 174
michael@0 175 #endif // GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H

Mercurial Repository: The Tor Browser

Europalab SCM Repository Server

mercurial