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// Copyright (c) 2012, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// This header can be included either from a C, C++ or Assembly file.
// Its purpose is to contain constants that must match the offsets of
// various fields in ucontext_t.
//
// They should match the definitions from
// src/common/android/include/sys/ucontext.h
//
// Used by src/common/android/breakpad_getcontext.S
// Tested by src/common/android/testing/breakpad_getcontext_unittest.cc
#ifndef GOOGLEBREAKPAD_COMMON_ANDROID_UCONTEXT_CONSTANTS_H
#define GOOGLEBREAKPAD_COMMON_ANDROID_UCONTEXT_CONSTANTS_H
#if defined(__arm__)
#define MCONTEXT_GREGS_OFFSET 32
#define UCONTEXT_SIGMASK_OFFSET 104
#elif defined(__i386__)
#define MCONTEXT_GREGS_OFFSET 20
#define MCONTEXT_GS_OFFSET (MCONTEXT_GREGS_OFFSET + 0*4)
#define MCONTEXT_FS_OFFSET (MCONTEXT_GREGS_OFFSET + 1*4)
#define MCONTEXT_ES_OFFSET (MCONTEXT_GREGS_OFFSET + 2*4)
#define MCONTEXT_DS_OFFSET (MCONTEXT_GREGS_OFFSET + 3*4)
#define MCONTEXT_EDI_OFFSET (MCONTEXT_GREGS_OFFSET + 4*4)
#define MCONTEXT_ESI_OFFSET (MCONTEXT_GREGS_OFFSET + 5*4)
#define MCONTEXT_EBP_OFFSET (MCONTEXT_GREGS_OFFSET + 6*4)
#define MCONTEXT_ESP_OFFSET (MCONTEXT_GREGS_OFFSET + 7*4)
#define MCONTEXT_EBX_OFFSET (MCONTEXT_GREGS_OFFSET + 8*4)
#define MCONTEXT_EDX_OFFSET (MCONTEXT_GREGS_OFFSET + 9*4)
#define MCONTEXT_ECX_OFFSET (MCONTEXT_GREGS_OFFSET + 10*4)
#define MCONTEXT_EAX_OFFSET (MCONTEXT_GREGS_OFFSET + 11*4)
#define MCONTEXT_TRAPNO_OFFSET (MCONTEXT_GREGS_OFFSET + 12*4)
#define MCONTEXT_ERR_OFFSET (MCONTEXT_GREGS_OFFSET + 13*4)
#define MCONTEXT_EIP_OFFSET (MCONTEXT_GREGS_OFFSET + 14*4)
#define MCONTEXT_CS_OFFSET (MCONTEXT_GREGS_OFFSET + 15*4)
#define MCONTEXT_EFL_OFFSET (MCONTEXT_GREGS_OFFSET + 16*4)
#define MCONTEXT_UESP_OFFSET (MCONTEXT_GREGS_OFFSET + 17*4)
#define MCONTEXT_SS_OFFSET (MCONTEXT_GREGS_OFFSET + 18*4)
#define UCONTEXT_SIGMASK_OFFSET 108
#define UCONTEXT_FPREGS_OFFSET 96
#define UCONTEXT_FPREGS_MEM_OFFSET 116
#elif defined(__mips__)
#define MCONTEXT_GREGS_OFFSET 0
#define UCONTEXT_SIGMASK_OFFSET 0
#else
#error "This header has not been ported for your CPU"
#endif
#endif // GOOGLEBREAKPAD_COMMON_ANDROID_UCONTEXT_CONSTANTS_H
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