ucontext_constants.h

// 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