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breakpad/src/processor/minidump_processor.cc
ted.mielczarek b5c78cc8d1 issue 185 - Need constants / stringification for Linux exception codes. r=mento 
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@189 4c0a9323-5329-0410-9bdc-e9ce6186880e
2007-06-11 17:03:30 +00:00

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// Copyright (c) 2006, 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.
#include <cassert>
#include "google_breakpad/processor/minidump_processor.h"
#include "google_breakpad/processor/call_stack.h"
#include "google_breakpad/processor/minidump.h"
#include "google_breakpad/processor/process_state.h"
#include "processor/logging.h"
#include "processor/scoped_ptr.h"
#include "processor/stackwalker_x86.h"
namespace google_breakpad {
MinidumpProcessor::MinidumpProcessor(SymbolSupplier *supplier,
SourceLineResolverInterface *resolver)
: supplier_(supplier), resolver_(resolver) {
}
MinidumpProcessor::~MinidumpProcessor() {
}
MinidumpProcessor::ProcessResult MinidumpProcessor::Process(
const string &minidump_file, ProcessState *process_state) {
BPLOG(INFO) << "Processing minidump in file " << minidump_file;
Minidump dump(minidump_file);
if (!dump.Read()) {
BPLOG(ERROR) << "Minidump " << minidump_file << " could not be read";
return PROCESS_ERROR;
}
process_state->Clear();
const MDRawHeader *header = dump.header();
BPLOG_IF(ERROR, !header) << "Minidump " << minidump_file << " has no header";
assert(header);
process_state->time_date_stamp_ = header->time_date_stamp;
bool has_cpu_info = GetCPUInfo(&dump, &process_state->system_info_);
bool has_os_info = GetOSInfo(&dump, &process_state->system_info_);
u_int32_t dump_thread_id = 0;
bool has_dump_thread = false;
u_int32_t requesting_thread_id = 0;
bool has_requesting_thread = false;
MinidumpBreakpadInfo *breakpad_info = dump.GetBreakpadInfo();
if (breakpad_info) {
has_dump_thread = breakpad_info->GetDumpThreadID(&dump_thread_id);
has_requesting_thread =
breakpad_info->GetRequestingThreadID(&requesting_thread_id);
}
MinidumpException *exception = dump.GetException();
if (exception) {
process_state->crashed_ = true;
has_requesting_thread = exception->GetThreadID(&requesting_thread_id);
process_state->crash_reason_ = GetCrashReason(
&dump, &process_state->crash_address_);
}
MinidumpModuleList *module_list = dump.GetModuleList();
// Put a copy of the module list into ProcessState object. This is not
// necessarily a MinidumpModuleList, but it adheres to the CodeModules
// interface, which is all that ProcessState needs to expose.
if (module_list)
process_state->modules_ = module_list->Copy();
MinidumpThreadList *threads = dump.GetThreadList();
if (!threads) {
BPLOG(ERROR) << "Minidump " << minidump_file << " has no thread list";
return PROCESS_ERROR;
}
BPLOG(INFO) << "Minidump " << minidump_file << " has " <<
(has_cpu_info ? "" : "no ") << "CPU info, " <<
(has_os_info ? "" : "no ") << "OS info, " <<
(breakpad_info != NULL ? "" : "no ") << "Breakpad info, " <<
(exception != NULL ? "" : "no ") << "exception, " <<
(module_list != NULL ? "" : "no ") << "module list, " <<
(threads != NULL ? "" : "no ") << "thread list, " <<
(has_dump_thread ? "" : "no ") << "dump thread, and " <<
(has_requesting_thread ? "" : "no ") << "requesting thread";
bool interrupted = false;
bool found_requesting_thread = false;
unsigned int thread_count = threads->thread_count();
for (unsigned int thread_index = 0;
thread_index < thread_count;
++thread_index) {
char thread_string_buffer[64];
snprintf(thread_string_buffer, sizeof(thread_string_buffer), "%d/%d",
thread_index, thread_count);
string thread_string = minidump_file + ":" + thread_string_buffer;
MinidumpThread *thread = threads->GetThreadAtIndex(thread_index);
if (!thread) {
BPLOG(ERROR) << "Could not get thread for " << thread_string;
return PROCESS_ERROR;
}
u_int32_t thread_id;
if (!thread->GetThreadID(&thread_id)) {
BPLOG(ERROR) << "Could not get thread ID for " << thread_string;
return PROCESS_ERROR;
}
thread_string += " id " + HexString(thread_id);
BPLOG(INFO) << "Looking at thread " << thread_string;
// If this thread is the thread that produced the minidump, don't process
// it. Because of the problems associated with a thread producing a
// dump of itself (when both its context and its stack are in flux),
// processing that stack wouldn't provide much useful data.
if (has_dump_thread && thread_id == dump_thread_id) {
continue;
}
MinidumpContext *context = thread->GetContext();
if (has_requesting_thread && thread_id == requesting_thread_id) {
if (found_requesting_thread) {
// There can't be more than one requesting thread.
BPLOG(ERROR) << "Duplicate requesting thread: " << thread_string;
return PROCESS_ERROR;
}
// Use processed_state->threads_.size() instead of thread_index.
// thread_index points to the thread index in the minidump, which
// might be greater than the thread index in the threads vector if
// any of the minidump's threads are skipped and not placed into the
// processed threads vector. The thread vector's current size will
// be the index of the current thread when it's pushed into the
// vector.
process_state->requesting_thread_ = process_state->threads_.size();
found_requesting_thread = true;
if (process_state->crashed_) {
// Use the exception record's context for the crashed thread, instead
// of the thread's own context. For the crashed thread, the thread's
// own context is the state inside the exception handler. Using it
// would not result in the expected stack trace from the time of the
// crash.
context = exception->GetContext();
}
}
MinidumpMemoryRegion *thread_memory = thread->GetMemory();
if (!thread_memory) {
BPLOG(ERROR) << "No memory region for " << thread_string;
return PROCESS_ERROR;
}
// Use process_state->modules_ instead of module_list, because the
// |modules| argument will be used to populate the |module| fields in
// the returned StackFrame objects, which will be placed into the
// returned ProcessState object. module_list's lifetime is only as
// long as the Minidump object: it will be deleted when this function
// returns. process_state->modules_ is owned by the ProcessState object
// (just like the StackFrame objects), and is much more suitable for this
// task.
scoped_ptr<Stackwalker> stackwalker(
Stackwalker::StackwalkerForCPU(process_state->system_info(),
context,
thread_memory,
process_state->modules_,
supplier_,
resolver_));
if (!stackwalker.get()) {
BPLOG(ERROR) << "No stackwalker for " << thread_string;
return PROCESS_ERROR;
}
scoped_ptr<CallStack> stack(new CallStack());
if (!stackwalker->Walk(stack.get())) {
BPLOG(INFO) << "Stackwalker interrupt (missing symbols?) at " <<
thread_string;
interrupted = true;
}
process_state->threads_.push_back(stack.release());
}
if (interrupted) {
BPLOG(INFO) << "Processing interrupted for " << minidump_file;
return PROCESS_INTERRUPTED;
}
// If a requesting thread was indicated, it must be present.
if (has_requesting_thread && !found_requesting_thread) {
// Don't mark as an error, but invalidate the requesting thread
BPLOG(ERROR) << "Minidump indicated requesting thread " <<
HexString(requesting_thread_id) << ", not found in " <<
minidump_file;
process_state->requesting_thread_ = -1;
}
BPLOG(INFO) << "Processed " << minidump_file;
return PROCESS_OK;
}
// Returns the MDRawSystemInfo from a minidump, or NULL if system info is
// not available from the minidump. If system_info is non-NULL, it is used
// to pass back the MinidumpSystemInfo object.
static const MDRawSystemInfo* GetSystemInfo(Minidump *dump,
MinidumpSystemInfo **system_info) {
MinidumpSystemInfo *minidump_system_info = dump->GetSystemInfo();
if (!minidump_system_info)
return NULL;
if (system_info)
*system_info = minidump_system_info;
return minidump_system_info->system_info();
}
// static
bool MinidumpProcessor::GetCPUInfo(Minidump *dump, SystemInfo *info) {
assert(dump);
assert(info);
info->cpu.clear();
info->cpu_info.clear();
MinidumpSystemInfo *system_info;
const MDRawSystemInfo *raw_system_info = GetSystemInfo(dump, &system_info);
if (!raw_system_info)
return false;
switch (raw_system_info->processor_architecture) {
case MD_CPU_ARCHITECTURE_X86: {
info->cpu = "x86";
const string *cpu_vendor = system_info->GetCPUVendor();
if (cpu_vendor) {
info->cpu_info = *cpu_vendor;
info->cpu_info.append(" ");
}
char x86_info[36];
snprintf(x86_info, sizeof(x86_info), "family %u model %u stepping %u",
raw_system_info->processor_level,
raw_system_info->processor_revision >> 8,
raw_system_info->processor_revision & 0xff);
info->cpu_info.append(x86_info);
break;
}
case MD_CPU_ARCHITECTURE_PPC: {
info->cpu = "ppc";
break;
}
default: {
// Assign the numeric architecture ID into the CPU string.
char cpu_string[7];
snprintf(cpu_string, sizeof(cpu_string), "0x%04x",
raw_system_info->processor_architecture);
info->cpu = cpu_string;
break;
}
}
info->cpu_count = raw_system_info->number_of_processors;
return true;
}
// static
bool MinidumpProcessor::GetOSInfo(Minidump *dump, SystemInfo *info) {
assert(dump);
assert(info);
info->os.clear();
info->os_short.clear();
info->os_version.clear();
MinidumpSystemInfo *system_info;
const MDRawSystemInfo *raw_system_info = GetSystemInfo(dump, &system_info);
if (!raw_system_info)
return false;
info->os_short = system_info->GetOS();
switch (raw_system_info->platform_id) {
case MD_OS_WIN32_NT: {
info->os = "Windows NT";
break;
}
case MD_OS_WIN32_WINDOWS: {
info->os = "Windows";
break;
}
case MD_OS_MAC_OS_X: {
info->os = "Mac OS X";
break;
}
case MD_OS_LINUX: {
info->os = "Linux";
break;
}
default: {
// Assign the numeric platform ID into the OS string.
char os_string[11];
snprintf(os_string, sizeof(os_string), "0x%08x",
raw_system_info->platform_id);
info->os = os_string;
break;
}
}
char os_version_string[33];
snprintf(os_version_string, sizeof(os_version_string), "%u.%u.%u",
raw_system_info->major_version,
raw_system_info->minor_version,
raw_system_info->build_number);
info->os_version = os_version_string;
const string *csd_version = system_info->GetCSDVersion();
if (csd_version) {
info->os_version.append(" ");
info->os_version.append(*csd_version);
}
return true;
}
// static
string MinidumpProcessor::GetCrashReason(Minidump *dump, u_int64_t *address) {
MinidumpException *exception = dump->GetException();
if (!exception)
return "";
const MDRawExceptionStream *raw_exception = exception->exception();
if (!raw_exception)
return "";
if (address)
*address = raw_exception->exception_record.exception_address;
// The reason value is OS-specific and possibly CPU-specific. Set up
// sensible numeric defaults for the reason string in case we can't
// map the codes to a string (because there's no system info, or because
// it's an unrecognized platform, or because it's an unrecognized code.)
char reason_string[24];
u_int32_t exception_code = raw_exception->exception_record.exception_code;
u_int32_t exception_flags = raw_exception->exception_record.exception_flags;
snprintf(reason_string, sizeof(reason_string), "0x%08x / 0x%08x",
exception_code, exception_flags);
string reason = reason_string;
const MDRawSystemInfo *raw_system_info = GetSystemInfo(dump, NULL);
if (!raw_system_info)
return reason;
switch (raw_system_info->platform_id) {
case MD_OS_MAC_OS_X: {
char flags_string[11];
snprintf(flags_string, sizeof(flags_string), "0x%08x", exception_flags);
switch (exception_code) {
case MD_EXCEPTION_MAC_BAD_ACCESS:
reason = "EXC_BAD_ACCESS / ";
switch (exception_flags) {
case MD_EXCEPTION_CODE_MAC_INVALID_ADDRESS:
reason.append("KERN_INVALID_ADDRESS");
break;
case MD_EXCEPTION_CODE_MAC_PROTECTION_FAILURE:
reason.append("KERN_PROTECTION_FAILURE");
break;
case MD_EXCEPTION_CODE_MAC_NO_ACCESS:
reason.append("KERN_NO_ACCESS");
break;
case MD_EXCEPTION_CODE_MAC_MEMORY_FAILURE:
reason.append("KERN_MEMORY_FAILURE");
break;
case MD_EXCEPTION_CODE_MAC_MEMORY_ERROR:
reason.append("KERN_MEMORY_ERROR");
break;
// These are ppc only but shouldn't be a problem as they're
// unused on x86
case MD_EXCEPTION_CODE_MAC_PPC_VM_PROT_READ:
reason.append("EXC_PPC_VM_PROT_READ");
break;
case MD_EXCEPTION_CODE_MAC_PPC_BADSPACE:
reason.append("EXC_PPC_BADSPACE");
break;
case MD_EXCEPTION_CODE_MAC_PPC_UNALIGNED:
reason.append("EXC_PPC_UNALIGNED");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
case MD_EXCEPTION_MAC_BAD_INSTRUCTION:
reason = "EXC_BAD_INSTRUCTION / ";
switch (raw_system_info->processor_architecture) {
case MD_CPU_ARCHITECTURE_PPC: {
switch (exception_flags) {
case MD_EXCEPTION_CODE_MAC_PPC_INVALID_SYSCALL:
reason.append("EXC_PPC_INVALID_SYSCALL");
break;
case MD_EXCEPTION_CODE_MAC_PPC_UNIMPLEMENTED_INSTRUCTION:
reason.append("EXC_PPC_UNIPL_INST");
break;
case MD_EXCEPTION_CODE_MAC_PPC_PRIVILEGED_INSTRUCTION:
reason.append("EXC_PPC_PRIVINST");
break;
case MD_EXCEPTION_CODE_MAC_PPC_PRIVILEGED_REGISTER:
reason.append("EXC_PPC_PRIVREG");
break;
case MD_EXCEPTION_CODE_MAC_PPC_TRACE:
reason.append("EXC_PPC_TRACE");
break;
case MD_EXCEPTION_CODE_MAC_PPC_PERFORMANCE_MONITOR:
reason.append("EXC_PPC_PERFMON");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
}
case MD_CPU_ARCHITECTURE_X86: {
switch (exception_flags) {
case MD_EXCEPTION_CODE_MAC_X86_INVALID_OPERATION:
reason.append("EXC_I386_INVOP");
break;
case MD_EXCEPTION_CODE_MAC_X86_INVALID_TASK_STATE_SEGMENT:
reason.append("EXC_INVTSSFLT");
break;
case MD_EXCEPTION_CODE_MAC_X86_SEGMENT_NOT_PRESENT:
reason.append("EXC_SEGNPFLT");
break;
case MD_EXCEPTION_CODE_MAC_X86_STACK_FAULT:
reason.append("EXC_STKFLT");
break;
case MD_EXCEPTION_CODE_MAC_X86_GENERAL_PROTECTION_FAULT:
reason.append("EXC_GPFLT");
break;
case MD_EXCEPTION_CODE_MAC_X86_ALIGNMENT_FAULT:
reason.append("EXC_ALIGNFLT");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
}
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
case MD_EXCEPTION_MAC_ARITHMETIC:
reason = "EXC_ARITHMETIC / ";
switch (raw_system_info->processor_architecture) {
case MD_CPU_ARCHITECTURE_PPC: {
switch (exception_flags) {
case MD_EXCEPTION_CODE_MAC_PPC_OVERFLOW:
reason.append("EXC_PPC_OVERFLOW");
break;
case MD_EXCEPTION_CODE_MAC_PPC_ZERO_DIVIDE:
reason.append("EXC_PPC_ZERO_DIVIDE");
break;
case MD_EXCEPTION_CODE_MAC_PPC_FLOAT_INEXACT:
reason.append("EXC_FLT_INEXACT");
break;
case MD_EXCEPTION_CODE_MAC_PPC_FLOAT_ZERO_DIVIDE:
reason.append("EXC_PPC_FLT_ZERO_DIVIDE");
break;
case MD_EXCEPTION_CODE_MAC_PPC_FLOAT_UNDERFLOW:
reason.append("EXC_PPC_FLT_UNDERFLOW");
break;
case MD_EXCEPTION_CODE_MAC_PPC_FLOAT_OVERFLOW:
reason.append("EXC_PPC_FLT_OVERFLOW");
break;
case MD_EXCEPTION_CODE_MAC_PPC_FLOAT_NOT_A_NUMBER:
reason.append("EXC_PPC_FLT_NOT_A_NUMBER");
break;
case MD_EXCEPTION_CODE_MAC_PPC_NO_EMULATION:
reason.append("EXC_PPC_NOEMULATION");
break;
case MD_EXCEPTION_CODE_MAC_PPC_ALTIVEC_ASSIST:
reason.append("EXC_PPC_ALTIVECASSIST");
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
}
case MD_CPU_ARCHITECTURE_X86: {
switch (exception_flags) {
case MD_EXCEPTION_CODE_MAC_X86_DIV:
reason.append("EXC_I386_DIV");
break;
case MD_EXCEPTION_CODE_MAC_X86_INTO:
reason.append("EXC_I386_INTO");
break;
case MD_EXCEPTION_CODE_MAC_X86_NOEXT:
reason.append("EXC_I386_NOEXT");
break;
case MD_EXCEPTION_CODE_MAC_X86_EXTOVR:
reason.append("EXC_I386_EXTOVR");
break;
case MD_EXCEPTION_CODE_MAC_X86_EXTERR:
reason.append("EXC_I386_EXTERR");
break;
case MD_EXCEPTION_CODE_MAC_X86_EMERR:
reason.append("EXC_I386_EMERR");
break;
case MD_EXCEPTION_CODE_MAC_X86_BOUND:
reason.append("EXC_I386_BOUND");
break;
case MD_EXCEPTION_CODE_MAC_X86_SSEEXTERR:
reason.append("EXC_I386_SSEEXTERR");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
}
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
case MD_EXCEPTION_MAC_EMULATION:
reason = "EXC_EMULATION / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_MAC_SOFTWARE:
reason = "EXC_SOFTWARE / ";
switch (exception_flags) {
// These are ppc only but shouldn't be a problem as they're
// unused on x86
case MD_EXCEPTION_CODE_MAC_PPC_TRAP:
reason.append("EXC_PPC_TRAP");
break;
case MD_EXCEPTION_CODE_MAC_PPC_MIGRATE:
reason.append("EXC_PPC_MIGRATE");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
case MD_EXCEPTION_MAC_BREAKPOINT:
reason = "EXC_BREAKPOINT / ";
switch (raw_system_info->processor_architecture) {
case MD_CPU_ARCHITECTURE_PPC: {
switch (exception_flags) {
case MD_EXCEPTION_CODE_MAC_PPC_BREAKPOINT:
reason.append("EXC_PPC_BREAKPOINT");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
}
case MD_CPU_ARCHITECTURE_X86: {
switch (exception_flags) {
case MD_EXCEPTION_CODE_MAC_X86_SGL:
reason.append("EXC_I386_SGL");
break;
case MD_EXCEPTION_CODE_MAC_X86_BPT:
reason.append("EXC_I386_BPT");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
}
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
case MD_EXCEPTION_MAC_SYSCALL:
reason = "EXC_SYSCALL / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_MAC_MACH_SYSCALL:
reason = "EXC_MACH_SYSCALL / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_MAC_RPC_ALERT:
reason = "EXC_RPC_ALERT / ";
reason.append(flags_string);
break;
}
break;
}
case MD_OS_WIN32_NT:
case MD_OS_WIN32_WINDOWS: {
switch (exception_code) {
case MD_EXCEPTION_CODE_WIN_CONTROL_C:
reason = "DBG_CONTROL_C";
break;
case MD_EXCEPTION_CODE_WIN_GUARD_PAGE_VIOLATION:
reason = "EXCEPTION_GUARD_PAGE";
break;
case MD_EXCEPTION_CODE_WIN_DATATYPE_MISALIGNMENT:
reason = "EXCEPTION_DATATYPE_MISALIGNMENT";
break;
case MD_EXCEPTION_CODE_WIN_BREAKPOINT:
reason = "EXCEPTION_BREAKPOINT";
break;
case MD_EXCEPTION_CODE_WIN_SINGLE_STEP:
reason = "EXCEPTION_SINGLE_STEP";
break;
case MD_EXCEPTION_CODE_WIN_ACCESS_VIOLATION:
// For EXCEPTION_ACCESS_VIOLATION, Windows puts the address that
// caused the fault in exception_information[1].
// exception_information[0] is 0 if the violation was caused by
// an attempt to read data and 1 if it was an attempt to write
// data.
// This information is useful in addition to the code address, which
// will be present in the crash thread's instruction field anyway.
reason = "EXCEPTION_ACCESS_VIOLATION";
if (address &&
raw_exception->exception_record.number_parameters >= 2) {
*address =
raw_exception->exception_record.exception_information[1];
}
break;
case MD_EXCEPTION_CODE_WIN_IN_PAGE_ERROR:
reason = "EXCEPTION_IN_PAGE_ERROR";
break;
case MD_EXCEPTION_CODE_WIN_INVALID_HANDLE:
reason = "EXCEPTION_INVALID_HANDLE";
break;
case MD_EXCEPTION_CODE_WIN_ILLEGAL_INSTRUCTION:
reason = "EXCEPTION_ILLEGAL_INSTRUCTION";
break;
case MD_EXCEPTION_CODE_WIN_NONCONTINUABLE_EXCEPTION:
reason = "EXCEPTION_NONCONTINUABLE_EXCEPTION";
break;
case MD_EXCEPTION_CODE_WIN_INVALID_DISPOSITION:
reason = "EXCEPTION_INVALID_DISPOSITION";
break;
case MD_EXCEPTION_CODE_WIN_ARRAY_BOUNDS_EXCEEDED:
reason = "EXCEPTION_BOUNDS_EXCEEDED";
break;
case MD_EXCEPTION_CODE_WIN_FLOAT_DENORMAL_OPERAND:
reason = "EXCEPTION_FLT_DENORMAL_OPERAND";
break;
case MD_EXCEPTION_CODE_WIN_FLOAT_DIVIDE_BY_ZERO:
reason = "EXCEPTION_FLT_DIVIDE_BY_ZERO";
break;
case MD_EXCEPTION_CODE_WIN_FLOAT_INEXACT_RESULT:
reason = "EXCEPTION_FLT_INEXACT_RESULT";
break;
case MD_EXCEPTION_CODE_WIN_FLOAT_INVALID_OPERATION:
reason = "EXCEPTION_FLT_INVALID_OPERATION";
break;
case MD_EXCEPTION_CODE_WIN_FLOAT_OVERFLOW:
reason = "EXCEPTION_FLT_OVERFLOW";
break;
case MD_EXCEPTION_CODE_WIN_FLOAT_STACK_CHECK:
reason = "EXCEPTION_FLT_STACK_CHECK";
break;
case MD_EXCEPTION_CODE_WIN_FLOAT_UNDERFLOW:
reason = "EXCEPTION_FLT_UNDERFLOW";
break;
case MD_EXCEPTION_CODE_WIN_INTEGER_DIVIDE_BY_ZERO:
reason = "EXCEPTION_INT_DIVIDE_BY_ZERO";
break;
case MD_EXCEPTION_CODE_WIN_INTEGER_OVERFLOW:
reason = "EXCEPTION_INT_OVERFLOW";
break;
case MD_EXCEPTION_CODE_WIN_PRIVILEGED_INSTRUCTION:
reason = "EXCEPTION_PRIV_INSTRUCTION";
break;
case MD_EXCEPTION_CODE_WIN_STACK_OVERFLOW:
reason = "EXCEPTION_STACK_OVERFLOW";
break;
case MD_EXCEPTION_CODE_WIN_POSSIBLE_DEADLOCK:
reason = "EXCEPTION_POSSIBLE_DEADLOCK";
break;
default:
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
case MD_OS_LINUX:
switch (exception_code) {
case MD_EXCEPTION_CODE_LIN_SIGHUP:
reason = "SIGHUP";
break;
case MD_EXCEPTION_CODE_LIN_SIGINT:
reason = "SIGINT";
break;
case MD_EXCEPTION_CODE_LIN_SIGQUIT:
reason = "SIGQUIT";
break;
case MD_EXCEPTION_CODE_LIN_SIGILL:
reason = "SIGILL";
break;
case MD_EXCEPTION_CODE_LIN_SIGTRAP:
reason = "SIGTRAP";
break;
case MD_EXCEPTION_CODE_LIN_SIGABRT:
reason = "SIGABRT";
break;
case MD_EXCEPTION_CODE_LIN_SIGBUS:
reason = "SIGBUS";
break;
case MD_EXCEPTION_CODE_LIN_SIGFPE:
reason = "SIGFPE";
break;
case MD_EXCEPTION_CODE_LIN_SIGKILL:
reason = "SIGKILL";
break;
case MD_EXCEPTION_CODE_LIN_SIGUSR1:
reason = "SIGUSR1";
break;
case MD_EXCEPTION_CODE_LIN_SIGSEGV:
reason = "SIGSEGV";
break;
case MD_EXCEPTION_CODE_LIN_SIGUSR2:
reason = "SIGUSR2";
break;
case MD_EXCEPTION_CODE_LIN_SIGPIPE:
reason = "SIGPIPE";
break;
case MD_EXCEPTION_CODE_LIN_SIGALRM:
reason = "SIGALRM";
break;
case MD_EXCEPTION_CODE_LIN_SIGTERM:
reason = "SIGTERM";
break;
case MD_EXCEPTION_CODE_LIN_SIGSTKFLT:
reason = "SIGSTKFLT";
break;
case MD_EXCEPTION_CODE_LIN_SIGCHLD:
reason = "SIGCHLD";
break;
case MD_EXCEPTION_CODE_LIN_SIGCONT:
reason = "SIGCONT";
break;
case MD_EXCEPTION_CODE_LIN_SIGSTOP:
reason = "SIGSTOP";
break;
case MD_EXCEPTION_CODE_LIN_SIGTSTP:
reason = "SIGTSTP";
break;
case MD_EXCEPTION_CODE_LIN_SIGTTIN:
reason = "SIGTTIN";
break;
case MD_EXCEPTION_CODE_LIN_SIGTTOU:
reason = "SIGTTOU";
break;
case MD_EXCEPTION_CODE_LIN_SIGURG:
reason = "SIGURG";
break;
case MD_EXCEPTION_CODE_LIN_SIGXCPU:
reason = "SIGXCPU";
break;
case MD_EXCEPTION_CODE_LIN_SIGXFSZ:
reason = "SIGXFSZ";
break;
case MD_EXCEPTION_CODE_LIN_SIGVTALRM:
reason = "SIGVTALRM";
break;
case MD_EXCEPTION_CODE_LIN_SIGPROF:
reason = "SIGPROF";
break;
case MD_EXCEPTION_CODE_LIN_SIGWINCH:
reason = "SIGWINCH";
break;
case MD_EXCEPTION_CODE_LIN_SIGIO:
reason = "SIGIO";
break;
case MD_EXCEPTION_CODE_LIN_SIGPWR:
reason = "SIGPWR";
break;
case MD_EXCEPTION_CODE_LIN_SIGSYS:
reason = "SIGSYS";
break;
default:
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break;
}
default: {
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
}
return reason;
}
} // namespace google_breakpad
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