phajdan.jr@chromium.org
dd5b313bfc
Also adds more explicit #includes for needed things. Review URL: http://codereview.chromium.org/118162 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17479 0039d316-1c4b-4281-b951-d872f2087c98
71 linhas
2.4 KiB
C++
71 linhas
2.4 KiB
C++
// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// This is a cross platform interface for helper functions related to debuggers.
|
|
// You should use this to test if you're running under a debugger, and if you
|
|
// would like to yield (breakpoint) into the debugger.
|
|
|
|
#ifndef BASE_DEBUG_UTIL_H_
|
|
#define BASE_DEBUG_UTIL_H_
|
|
|
|
#include <iosfwd>
|
|
#include <vector>
|
|
|
|
#include "base/basictypes.h"
|
|
|
|
// A stacktrace can be helpful in debugging. For example, you can include a
|
|
// stacktrace member in a object (probably around #ifndef NDEBUG) so that you
|
|
// can later see where the given object was created from.
|
|
class StackTrace {
|
|
public:
|
|
// Create a stacktrace from the current location
|
|
StackTrace();
|
|
// Get an array of instruction pointer values.
|
|
// count: (output) the number of elements in the returned array
|
|
const void *const *Addresses(size_t* count);
|
|
// Print a backtrace to stderr
|
|
void PrintBacktrace();
|
|
|
|
// Resolve backtrace to symbols and write to stream.
|
|
void OutputToStream(std::ostream* os);
|
|
|
|
private:
|
|
std::vector<void*> trace_;
|
|
|
|
DISALLOW_EVIL_CONSTRUCTORS(StackTrace);
|
|
};
|
|
|
|
class DebugUtil {
|
|
public:
|
|
// Starts the registered system-wide JIT debugger to attach it to specified
|
|
// process.
|
|
static bool SpawnDebuggerOnProcess(unsigned process_id);
|
|
|
|
// Waits wait_seconds seconds for a debugger to attach to the current process.
|
|
// When silent is false, an exception is thrown when a debugger is detected.
|
|
static bool WaitForDebugger(int wait_seconds, bool silent);
|
|
|
|
// Are we running under a debugger?
|
|
// On OS X, the underlying mechanism doesn't work when the sandbox is enabled.
|
|
// To get around this, this function caches its value.
|
|
// WARNING: Because of this, on OS X, a call MUST be made to this function
|
|
// BEFORE the sandbox is enabled.
|
|
static bool BeingDebugged();
|
|
|
|
// Break into the debugger, assumes a debugger is present.
|
|
static void BreakDebugger();
|
|
|
|
#if defined(OS_MACOSX)
|
|
// On OS X, it can take a really long time for the OS Crash handler to
|
|
// process a Chrome crash. This translates into a long wait till the process
|
|
// actually dies.
|
|
// This method disables OS Crash reporting entireley.
|
|
// TODO(playmobil): Remove this when we have Breakpad integration enabled -
|
|
// see http://crbug.com/7652
|
|
static void DisableOSCrashDumps();
|
|
#endif // defined(OS_MACOSX)
|
|
};
|
|
|
|
#endif // BASE_DEBUG_UTIL_H_
|