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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 signal.h.
//
// Used by src/common/linux/breakpad_getcontext.S
// Tested by src/common/linux/breakpad_getcontext_unittest.cc
//
// This header should not be used by anything else.
#ifndef GOOGLEBREAKPAD_COMMON_LINUX_UCONTEXT_CONSTANTS_H
#define GOOGLEBREAKPAD_COMMON_LINUX_UCONTEXT_CONSTANTS_H
#if defined(__arm__)
#define MCONTEXT_GREGS_OFFSET 32
#define UCONTEXT_SIGMASK_OFFSET 104
#elif defined(__aarch64__)
#define UCONTEXT_SIGMASK_OFFSET 40
#define MCONTEXT_GREGS_OFFSET 184
#define MCONTEXT_SP_OFFSET 432
#define MCONTEXT_PC_OFFSET 440
#define MCONTEXT_PSTATE_OFFSET 448
#define MCONTEXT_EXTENSION_OFFSET 464
#define FPSIMD_MAGIC 0x46508001
#define FPSIMD_CONTEXT_MAGIC_OFFSET 0
#define FPSIMD_CONTEXT_SIZE_OFFSET 4
#define FPSIMD_CONTEXT_FPSR_OFFSET 8
#define FPSIMD_CONTEXT_FPCR_OFFSET 12
#define FPSIMD_CONTEXT_VREGS_OFFSET 16
#define FPSIMD_CONTEXT_SIZE 528
#define REGISTER_SIZE 8
#define SIMD_REGISTER_SIZE 16
#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
#if defined(__BIONIC__)
#define UCONTEXT_FPREGS_MEM_OFFSET 116
#else
#define UCONTEXT_FPREGS_MEM_OFFSET 236
#endif
#elif defined(__mips__)
#if _MIPS_SIM == _ABIO32
#define MCONTEXT_PC_OFFSET 32
#define MCONTEXT_GREGS_OFFSET 40
#define MCONTEXT_FPREGS_OFFSET 296
#define MCONTEXT_FPC_CSR 556
#define UCONTEXT_SIGMASK_OFFSET 616
#else
#define MCONTEXT_GREGS_OFFSET 40
#define MCONTEXT_FPREGS_OFFSET 296
#define MCONTEXT_PC_OFFSET 616
#define MCONTEXT_FPC_CSR 624
#define UCONTEXT_SIGMASK_OFFSET 640
#endif
#elif defined(__x86_64__)
#define MCONTEXT_GREGS_OFFSET 40
#define UCONTEXT_SIGMASK_OFFSET 296
#define MCONTEXT_GREGS_R8 40
#define MCONTEXT_GREGS_R9 48
#define MCONTEXT_GREGS_R10 56
#define MCONTEXT_GREGS_R11 64
#define MCONTEXT_GREGS_R12 72
#define MCONTEXT_GREGS_R13 80
#define MCONTEXT_GREGS_R14 88
#define MCONTEXT_GREGS_R15 96
#define MCONTEXT_GREGS_RDI 104
#define MCONTEXT_GREGS_RSI 112
#define MCONTEXT_GREGS_RBP 120
#define MCONTEXT_GREGS_RBX 128
#define MCONTEXT_GREGS_RDX 136
#define MCONTEXT_GREGS_RAX 144
#define MCONTEXT_GREGS_RCX 152
#define MCONTEXT_GREGS_RSP 160
#define MCONTEXT_GREGS_RIP 168
#define MCONTEXT_FPREGS_PTR 224
#if defined(__BIONIC__)
#define MCONTEXT_FPREGS_MEM 304
#else
#define MCONTEXT_FPREGS_MEM 424
#endif
#define FPREGS_OFFSET_MXCSR 24
#else
#error "This header has not been ported for your CPU"
#endif
#endif // GOOGLEBREAKPAD_COMMON_ANDROID_UCONTEXT_CONSTANTS_H
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