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Generate minidumps for 64-bit ARM apps on iOS.
Adds an ARM64-specific definition of MDRawContext and support for writing out a minidump when running on ARM64. Additionally, extends the iOS minidump generator for NSExceptions to work on ARM64 as well as ARM. Patch by Colin Blundell <blundell@chromium.org> BUG=542 Review URL: https://breakpad.appspot.com/664002/ git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1235 4c0a9323-5329-0410-9bdc-e9ce6186880e
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mark@chromium.org
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12 changed files with 419 additions and 63 deletions
140
src/google_breakpad/common/minidump_cpu_arm64.h
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src/google_breakpad/common/minidump_cpu_arm64.h
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@ -0,0 +1,140 @@
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/* Copyright 2013 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 ARM. 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
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* ensuring that all members are aligned on their natural boundaries.
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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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* Because precise data type sizes are crucial for this implementation to
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* function properly and portably, a set of primitive types with known sizes
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* are used as the basis of each structure defined by this file.
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*
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* Author: Colin Blundell
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*/
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/*
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* ARM64 support
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*/
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#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_ARM64_H__
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#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_ARM64_H__
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#define MD_FLOATINGSAVEAREA_ARM64_FPR_COUNT 32
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typedef struct {
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uint32_t fpsr; /* FPU status register */
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uint32_t fpcr; /* FPU control register */
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/* 32 128-bit floating point registers, d0 .. d31. */
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uint128_struct regs[MD_FLOATINGSAVEAREA_ARM64_FPR_COUNT];
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} MDFloatingSaveAreaARM64;
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#define MD_CONTEXT_ARM64_GPR_COUNT 33
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/* Use the same 32-bit alignment when accessing this structure from 64-bit code
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* as is used natively in 32-bit code. */
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#pragma pack(push, 4)
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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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*/
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uint64_t context_flags;
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/* 33 64-bit integer registers, x0 .. x31 + the PC
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* Note the following fixed uses:
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* x29 is the frame pointer
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* x30 is the link register
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* x31 is the stack pointer
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* The PC is effectively x32.
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*/
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uint64_t iregs[MD_CONTEXT_ARM64_GPR_COUNT];
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/* CPSR (flags, basically): 32 bits:
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bit 31 - N (negative)
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bit 30 - Z (zero)
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bit 29 - C (carry)
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bit 28 - V (overflow)
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bit 27 - Q (saturation flag, sticky)
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All other fields -- ignore */
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uint32_t cpsr;
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/* The next field is included with MD_CONTEXT64_ARM_FLOATING_POINT */
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MDFloatingSaveAreaARM64 float_save;
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} MDRawContextARM64;
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#pragma pack(pop)
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/* Indices into iregs for registers with a dedicated or conventional
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* purpose.
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*/
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enum MDARM64RegisterNumbers {
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MD_CONTEXT_ARM64_REG_FP = 29,
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MD_CONTEXT_ARM64_REG_LR = 30,
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MD_CONTEXT_ARM64_REG_SP = 31,
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MD_CONTEXT_ARM64_REG_PC = 32
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};
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/* For (MDRawContextARM64).context_flags. These values indicate the type of
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* context stored in the structure. MD_CONTEXT_ARM64 is Breakpad-defined.
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* This value was chosen to avoid likely conflicts with MD_CONTEXT_*
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* for other CPUs. */
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#define MD_CONTEXT_ARM64 0x80000000
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#define MD_CONTEXT_ARM64_INTEGER (MD_CONTEXT_ARM64 | 0x00000002)
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#define MD_CONTEXT_ARM64_FLOATING_POINT (MD_CONTEXT_ARM64 | 0x00000004)
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#define MD_CONTEXT_ARM64_FULL (MD_CONTEXT_ARM64_INTEGER | \
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MD_CONTEXT_ARM64_FLOATING_POINT)
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#define MD_CONTEXT_ARM64_ALL (MD_CONTEXT_ARM64_INTEGER | \
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MD_CONTEXT_ARM64_FLOATING_POINT)
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#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_ARM64_H__ */
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@ -114,6 +114,7 @@ typedef struct {
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#include "minidump_cpu_amd64.h"
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#include "minidump_cpu_arm.h"
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#include "minidump_cpu_arm64.h"
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#include "minidump_cpu_mips.h"
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#include "minidump_cpu_ppc.h"
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#include "minidump_cpu_ppc64.h"
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@ -636,6 +637,7 @@ typedef enum {
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/* PROCESSOR_ARCHITECTURE_IA32_ON_WIN64 (WoW64) */
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MD_CPU_ARCHITECTURE_SPARC = 0x8001, /* Breakpad-defined value for SPARC */
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MD_CPU_ARCHITECTURE_PPC64 = 0x8002, /* Breakpad-defined value for PPC64 */
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MD_CPU_ARCHITECTURE_ARM64 = 0x8003, /* Breakpad-defined value for ARM64 */
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MD_CPU_ARCHITECTURE_UNKNOWN = 0xffff /* PROCESSOR_ARCHITECTURE_UNKNOWN */
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} MDCPUArchitecture;
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