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minidump_cpu_x86.h
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/* Copyright (c) 2006, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* minidump_format.h: A cross-platform reimplementation of minidump-related
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* portions of DbgHelp.h from the Windows Platform SDK.
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*
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* (This is C99 source, please don't corrupt it with C++.)
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*
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* This file contains the necessary definitions to read minidump files
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* produced on x86. These files may be read on any platform provided
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* that the alignments of these structures on the processing system are
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* identical to the alignments of these structures on the producing system.
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* For this reason, precise-sized types are used. The structures defined
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* by this file have been laid out to minimize alignment problems by ensuring
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* ensuring that all members are aligned on their natural boundaries. In
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* In some cases, tail-padding may be significant when different ABIs specify
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* different tail-padding behaviors. To avoid problems when reading or
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* writing affected structures, MD_*_SIZE macros are provided where needed,
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* containing the useful size of the structures without padding.
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*
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* Structures that are defined by Microsoft to contain a zero-length array
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* are instead defined here to contain an array with one element, as
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* zero-length arrays are forbidden by standard C and C++. In these cases,
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* *_minsize constants are provided to be used in place of sizeof. For a
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* cleaner interface to these sizes when using C++, see minidump_size.h.
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*
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* These structures are also sufficient to populate minidump files.
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*
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* These definitions may be extended to support handling minidump files
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* for other CPUs and other operating systems.
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*
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* Because precise data type sizes are crucial for this implementation to
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* function properly and portably in terms of interoperability with minidumps
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* produced by DbgHelp on Windows, a set of primitive types with known sizes
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* are used as the basis of each structure defined by this file. DbgHelp
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* on Windows is assumed to be the reference implementation; this file
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* seeks to provide a cross-platform compatible implementation. To avoid
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* collisions with the types and values defined and used by DbgHelp in the
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* event that this implementation is used on Windows, each type and value
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* defined here is given a new name, beginning with "MD". Names of the
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* equivalent types and values in the Windows Platform SDK are given in
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* comments.
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*
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* Author: Mark Mentovai */
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#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_X86_H__
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#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_X86_H__
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#define MD_FLOATINGSAVEAREA_X86_REGISTERAREA_SIZE 80
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/* SIZE_OF_80387_REGISTERS */
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typedef
struct
{
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uint32_t
control_word
;
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uint32_t
status_word
;
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uint32_t
tag_word
;
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uint32_t
error_offset
;
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uint32_t
error_selector
;
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uint32_t
data_offset
;
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uint32_t
data_selector
;
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/* register_area contains eight 80-bit (x87 "long double") quantities for
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* floating-point registers %st0 (%mm0) through %st7 (%mm7). */
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uint8_t register_area[
MD_FLOATINGSAVEAREA_X86_REGISTERAREA_SIZE
];
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uint32_t
cr0_npx_state
;
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}
MDFloatingSaveAreaX86
;
/* FLOATING_SAVE_AREA */
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#define MD_CONTEXT_X86_EXTENDED_REGISTERS_SIZE 512
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/* MAXIMUM_SUPPORTED_EXTENSION */
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typedef
struct
{
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/* The next field determines the layout of the structure, and which parts
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* of it are populated */
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uint32_t
context_flags
;
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/* The next 6 registers are included with MD_CONTEXT_X86_DEBUG_REGISTERS */
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uint32_t
dr0
;
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uint32_t
dr1
;
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uint32_t
dr2
;
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uint32_t
dr3
;
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uint32_t
dr6
;
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uint32_t
dr7
;
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/* The next field is included with MD_CONTEXT_X86_FLOATING_POINT */
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MDFloatingSaveAreaX86
float_save
;
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/* The next 4 registers are included with MD_CONTEXT_X86_SEGMENTS */
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uint32_t
gs
;
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uint32_t
fs
;
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uint32_t
es
;
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uint32_t
ds
;
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/* The next 6 registers are included with MD_CONTEXT_X86_INTEGER */
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uint32_t
edi
;
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uint32_t
esi
;
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uint32_t
ebx
;
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uint32_t
edx
;
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uint32_t
ecx
;
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uint32_t
eax
;
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/* The next 6 registers are included with MD_CONTEXT_X86_CONTROL */
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uint32_t
ebp
;
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uint32_t
eip
;
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uint32_t
cs
;
/* WinNT.h says "must be sanitized" */
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uint32_t
eflags
;
/* WinNT.h says "must be sanitized" */
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uint32_t
esp
;
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uint32_t
ss
;
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/* The next field is included with MD_CONTEXT_X86_EXTENDED_REGISTERS.
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* It contains vector (MMX/SSE) registers. It it laid out in the
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* format used by the fxsave and fsrstor instructions, so it includes
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* a copy of the x87 floating-point registers as well. See FXSAVE in
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* "Intel Architecture Software Developer's Manual, Volume 2." */
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uint8_t extended_registers[
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MD_CONTEXT_X86_EXTENDED_REGISTERS_SIZE
];
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}
MDRawContextX86
;
/* CONTEXT */
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/* For (MDRawContextX86).context_flags. These values indicate the type of
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* context stored in the structure. The high 24 bits identify the CPU, the
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* low 8 bits identify the type of context saved. */
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#define MD_CONTEXT_X86 0x00010000
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/* CONTEXT_i386, CONTEXT_i486: identifies CPU */
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#define MD_CONTEXT_X86_CONTROL (MD_CONTEXT_X86 | 0x00000001)
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/* CONTEXT_CONTROL */
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#define MD_CONTEXT_X86_INTEGER (MD_CONTEXT_X86 | 0x00000002)
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/* CONTEXT_INTEGER */
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#define MD_CONTEXT_X86_SEGMENTS (MD_CONTEXT_X86 | 0x00000004)
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/* CONTEXT_SEGMENTS */
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#define MD_CONTEXT_X86_FLOATING_POINT (MD_CONTEXT_X86 | 0x00000008)
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/* CONTEXT_FLOATING_POINT */
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#define MD_CONTEXT_X86_DEBUG_REGISTERS (MD_CONTEXT_X86 | 0x00000010)
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/* CONTEXT_DEBUG_REGISTERS */
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#define MD_CONTEXT_X86_EXTENDED_REGISTERS (MD_CONTEXT_X86 | 0x00000020)
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/* CONTEXT_EXTENDED_REGISTERS */
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#define MD_CONTEXT_X86_XSTATE (MD_CONTEXT_X86 | 0x00000040)
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/* CONTEXT_XSTATE */
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#define MD_CONTEXT_X86_FULL (MD_CONTEXT_X86_CONTROL | \
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MD_CONTEXT_X86_INTEGER | \
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MD_CONTEXT_X86_SEGMENTS)
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/* CONTEXT_FULL */
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#define MD_CONTEXT_X86_ALL (MD_CONTEXT_X86_FULL | \
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MD_CONTEXT_X86_FLOATING_POINT | \
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MD_CONTEXT_X86_DEBUG_REGISTERS | \
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MD_CONTEXT_X86_EXTENDED_REGISTERS)
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/* CONTEXT_ALL */
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#endif
/* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_X86_H__ */
MDFloatingSaveAreaX86::error_offset
uint32_t error_offset
Definition:
minidump_cpu_x86.h:82
MDFloatingSaveAreaX86::tag_word
uint32_t tag_word
Definition:
minidump_cpu_x86.h:81
MDFloatingSaveAreaX86::error_selector
uint32_t error_selector
Definition:
minidump_cpu_x86.h:83
MDRawContextX86::ss
uint32_t ss
Definition:
minidump_cpu_x86.h:132
MDRawContextX86::dr2
uint32_t dr2
Definition:
minidump_cpu_x86.h:105
MDRawContextX86
Definition:
minidump_cpu_x86.h:97
MDRawContextX86::ds
uint32_t ds
Definition:
minidump_cpu_x86.h:117
MDRawContextX86::context_flags
uint32_t context_flags
Definition:
minidump_cpu_x86.h:100
MDRawContextX86::float_save
MDFloatingSaveAreaX86 float_save
Definition:
minidump_cpu_x86.h:111
MDRawContextX86::ebx
uint32_t ebx
Definition:
minidump_cpu_x86.h:121
MDRawContextX86::dr3
uint32_t dr3
Definition:
minidump_cpu_x86.h:106
MDRawContextX86::esi
uint32_t esi
Definition:
minidump_cpu_x86.h:120
MDRawContextX86::eax
uint32_t eax
Definition:
minidump_cpu_x86.h:124
MDRawContextX86::eip
uint32_t eip
Definition:
minidump_cpu_x86.h:128
MDRawContextX86::dr0
uint32_t dr0
Definition:
minidump_cpu_x86.h:103
MDFloatingSaveAreaX86::cr0_npx_state
uint32_t cr0_npx_state
Definition:
minidump_cpu_x86.h:90
MDRawContextX86::ebp
uint32_t ebp
Definition:
minidump_cpu_x86.h:127
MDFloatingSaveAreaX86
Definition:
minidump_cpu_x86.h:78
MDFloatingSaveAreaX86::control_word
uint32_t control_word
Definition:
minidump_cpu_x86.h:79
MDRawContextX86::gs
uint32_t gs
Definition:
minidump_cpu_x86.h:114
MDRawContextX86::edi
uint32_t edi
Definition:
minidump_cpu_x86.h:119
MDRawContextX86::dr1
uint32_t dr1
Definition:
minidump_cpu_x86.h:104
MDRawContextX86::esp
uint32_t esp
Definition:
minidump_cpu_x86.h:131
MDFloatingSaveAreaX86::status_word
uint32_t status_word
Definition:
minidump_cpu_x86.h:80
MDRawContextX86::dr7
uint32_t dr7
Definition:
minidump_cpu_x86.h:108
MDRawContextX86::es
uint32_t es
Definition:
minidump_cpu_x86.h:116
MDFloatingSaveAreaX86::data_offset
uint32_t data_offset
Definition:
minidump_cpu_x86.h:84
MDRawContextX86::ecx
uint32_t ecx
Definition:
minidump_cpu_x86.h:123
MDRawContextX86::eflags
uint32_t eflags
Definition:
minidump_cpu_x86.h:130
MD_CONTEXT_X86_EXTENDED_REGISTERS_SIZE
#define MD_CONTEXT_X86_EXTENDED_REGISTERS_SIZE
Definition:
minidump_cpu_x86.h:94
MDRawContextX86::fs
uint32_t fs
Definition:
minidump_cpu_x86.h:115
MDRawContextX86::cs
uint32_t cs
Definition:
minidump_cpu_x86.h:129
MDRawContextX86::dr6
uint32_t dr6
Definition:
minidump_cpu_x86.h:107
MDRawContextX86::edx
uint32_t edx
Definition:
minidump_cpu_x86.h:122
MDFloatingSaveAreaX86::data_selector
uint32_t data_selector
Definition:
minidump_cpu_x86.h:85
MD_FLOATINGSAVEAREA_X86_REGISTERAREA_SIZE
#define MD_FLOATINGSAVEAREA_X86_REGISTERAREA_SIZE
Definition:
minidump_cpu_x86.h:75
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minidump_cpu_x86.h
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