1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/android/include/sys/ucontext.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,175 @@
1.4 +// Copyright (c) 2012, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +
1.33 +#ifndef GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H
1.34 +#define GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H
1.35 +
1.36 +#include <sys/cdefs.h>
1.37 +#include <signal.h>
1.38 +
1.39 +#ifdef __cplusplus
1.40 +extern "C" {
1.41 +#endif // __cplusplus
1.42 +
1.43 +#ifndef __BIONIC_HAVE_UCONTEXT_T
1.44 +
1.45 +// Ensure that 'stack_t' is defined.
1.46 +#include <asm/signal.h>
1.47 +
1.48 +// This version of the Android C library headers do not provide ucontext_t.
1.49 +// Provide custom definitions for Google Breakpad.
1.50 +#if defined(__arm__)
1.51 +
1.52 +// Ensure that 'struct sigcontext' is defined.
1.53 +#include <asm/sigcontext.h>
1.54 +typedef struct sigcontext mcontext_t;
1.55 +
1.56 +// The ARM kernel uses a 64-bit signal mask.
1.57 +typedef uint32_t kernel_sigmask_t[2];
1.58 +
1.59 +typedef struct ucontext {
1.60 + uint32_t uc_flags;
1.61 + struct ucontext* uc_link;
1.62 + stack_t uc_stack;
1.63 + mcontext_t uc_mcontext;
1.64 + kernel_sigmask_t uc_sigmask;
1.65 + // Other fields are not used by Google Breakpad. Don't define them.
1.66 +} ucontext_t;
1.67 +
1.68 +#elif defined(__i386__)
1.69 +
1.70 +/* 80-bit floating-point register */
1.71 +struct _libc_fpreg {
1.72 + unsigned short significand[4];
1.73 + unsigned short exponent;
1.74 +};
1.75 +
1.76 +/* Simple floating-point state, see FNSTENV instruction */
1.77 +struct _libc_fpstate {
1.78 + unsigned long cw;
1.79 + unsigned long sw;
1.80 + unsigned long tag;
1.81 + unsigned long ipoff;
1.82 + unsigned long cssel;
1.83 + unsigned long dataoff;
1.84 + unsigned long datasel;
1.85 + struct _libc_fpreg _st[8];
1.86 + unsigned long status;
1.87 +};
1.88 +
1.89 +typedef uint32_t greg_t;
1.90 +
1.91 +typedef struct {
1.92 + uint32_t gregs[19];
1.93 + struct _libc_fpstate* fpregs;
1.94 + uint32_t oldmask;
1.95 + uint32_t cr2;
1.96 +} mcontext_t;
1.97 +
1.98 +enum {
1.99 + REG_GS = 0,
1.100 + REG_FS,
1.101 + REG_ES,
1.102 + REG_DS,
1.103 + REG_EDI,
1.104 + REG_ESI,
1.105 + REG_EBP,
1.106 + REG_ESP,
1.107 + REG_EBX,
1.108 + REG_EDX,
1.109 + REG_ECX,
1.110 + REG_EAX,
1.111 + REG_TRAPNO,
1.112 + REG_ERR,
1.113 + REG_EIP,
1.114 + REG_CS,
1.115 + REG_EFL,
1.116 + REG_UESP,
1.117 + REG_SS,
1.118 +};
1.119 +
1.120 +// The i386 kernel uses a 64-bit signal mask.
1.121 +typedef uint32_t kernel_sigmask_t[2];
1.122 +
1.123 +typedef struct ucontext {
1.124 + uint32_t uc_flags;
1.125 + struct ucontext* uc_link;
1.126 + stack_t uc_stack;
1.127 + mcontext_t uc_mcontext;
1.128 + kernel_sigmask_t uc_sigmask;
1.129 + struct _libc_fpstate __fpregs_mem;
1.130 +} ucontext_t;
1.131 +
1.132 +#elif defined(__mips__)
1.133 +
1.134 +// Not supported by Google Breakpad at this point, but just in case.
1.135 +typedef struct {
1.136 + uint32_t regmask;
1.137 + uint32_t status;
1.138 + uint64_t pc;
1.139 + uint64_t gregs[32];
1.140 + uint64_t fpregs[32];
1.141 + uint32_t acx;
1.142 + uint32_t fpc_csr;
1.143 + uint32_t fpc_eir;
1.144 + uint32_t used_math;
1.145 + uint32_t dsp;
1.146 + uint64_t mdhi;
1.147 + uint64_t mdlo;
1.148 + uint32_t hi1;
1.149 + uint32_t lo1;
1.150 + uint32_t hi2;
1.151 + uint32_t lo2;
1.152 + uint32_t hi3;
1.153 + uint32_t lo3;
1.154 +} mcontext_t;
1.155 +
1.156 +// The MIPS kernel uses a 128-bit signal mask.
1.157 +typedef uint32_t kernel_sigmask_t[4];
1.158 +
1.159 +typedef struct ucontext {
1.160 + uint32_t uc_flags;
1.161 + struct ucontext* uc_link;
1.162 + stack_t uc_stack;
1.163 + mcontext_t uc_mcontext;
1.164 + kernel_sigmask_t uc_sigmask;
1.165 + // Other fields are not used by Google Breakpad. Don't define them.
1.166 +} ucontext_t;
1.167 +
1.168 +#else
1.169 +# error "Unsupported Android CPU ABI!"
1.170 +#endif
1.171 +
1.172 +#endif // __BIONIC_HAVE_UCONTEXT_T
1.173 +
1.174 +#ifdef __cplusplus
1.175 +} // extern "C"
1.176 +#endif // __cplusplus
1.177 +
1.178 +#endif // GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_UCONTEXT_H
