gecko/toolkit/crashreporter/nsExceptionHandler.h
2012-05-21 12:12:37 +01:00

160 lines
5.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsExceptionHandler_h__
#define nsExceptionHandler_h__
#include "nscore.h"
#include "nsDataHashtable.h"
#include "nsXPCOM.h"
#include "nsStringGlue.h"
#include "nsIFile.h"
#if defined(XP_WIN32)
#ifdef WIN32_LEAN_AND_MEAN
#undef WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif
#if defined(XP_MACOSX)
#include <mach/mach.h>
#endif
namespace CrashReporter {
nsresult SetExceptionHandler(nsILocalFile* aXREDirectory, bool force=false);
nsresult UnsetExceptionHandler();
bool GetEnabled();
bool GetServerURL(nsACString& aServerURL);
nsresult SetServerURL(const nsACString& aServerURL);
bool GetMinidumpPath(nsAString& aPath);
nsresult SetMinidumpPath(const nsAString& aPath);
// AnnotateCrashReport and AppendAppNotesToCrashReport may be called from any
// thread in a chrome process, but may only be called from the main thread in
// a content process.
nsresult AnnotateCrashReport(const nsACString& key, const nsACString& data);
nsresult AppendAppNotesToCrashReport(const nsACString& data);
nsresult SetRestartArgs(int argc, char** argv);
nsresult SetupExtraData(nsILocalFile* aAppDataDirectory,
const nsACString& aBuildID);
// Registers an additional memory region to be included in the minidump
nsresult RegisterAppMemory(void* ptr, size_t length);
nsresult UnregisterAppMemory(void* ptr);
// Functions for working with minidumps and .extras
typedef nsDataHashtable<nsCStringHashKey, nsCString> AnnotationTable;
bool GetMinidumpForID(const nsAString& id, nsILocalFile** minidump);
bool GetIDFromMinidump(nsILocalFile* minidump, nsAString& id);
bool GetExtraFileForID(const nsAString& id, nsILocalFile** extraFile);
bool GetExtraFileForMinidump(nsILocalFile* minidump, nsILocalFile** extraFile);
bool AppendExtraData(const nsAString& id, const AnnotationTable& data);
bool AppendExtraData(nsILocalFile* extraFile, const AnnotationTable& data);
#ifdef XP_WIN32
nsresult WriteMinidumpForException(EXCEPTION_POINTERS* aExceptionInfo);
#endif
#ifdef XP_MACOSX
nsresult AppendObjCExceptionInfoToAppNotes(void *inException);
#endif
nsresult GetSubmitReports(bool* aSubmitReport);
nsresult SetSubmitReports(bool aSubmitReport);
// Out-of-process crash reporter API.
// Return true iff a dump was found for |childPid|, and return the
// path in |dump|. The caller owns the last reference to |dump| if it
// is non-NULL.
bool TakeMinidumpForChild(PRUint32 childPid,
nsILocalFile** dump NS_OUTPARAM);
#if defined(XP_WIN)
typedef HANDLE ProcessHandle;
typedef DWORD ThreadId;
#elif defined(XP_MACOSX)
typedef task_t ProcessHandle;
typedef mach_port_t ThreadId;
#else
typedef int ProcessHandle;
typedef int ThreadId;
#endif
// Return the current thread's ID.
//
// XXX: this is a somewhat out-of-place interface to expose through
// crashreporter, but it takes significant work to call sys_gettid()
// correctly on Linux and breakpad has already jumped through those
// hoops for us.
ThreadId CurrentThreadId();
// Create new minidumps that are snapshots of the state of this parent
// process and |childPid|. Return true on success along with the
// minidumps and a new UUID that can be used to correlate the dumps.
//
// If this function fails, it's the caller's responsibility to clean
// up |childDump| and |parentDump|. Either or both can be created and
// returned non-null on failure.
bool CreatePairedMinidumps(ProcessHandle childPid,
ThreadId childBlamedThread,
nsAString* pairGUID NS_OUTPARAM,
nsILocalFile** childDump NS_OUTPARAM,
nsILocalFile** parentDump NS_OUTPARAM);
# if defined(XP_WIN32) || defined(XP_MACOSX)
// Parent-side API for children
const char* GetChildNotificationPipe();
// Child-side API
bool SetRemoteExceptionHandler(const nsACString& crashPipe);
# elif defined(XP_LINUX)
// Parent-side API for children
// Set the outparams for crash reporter server's fd (|childCrashFd|)
// and the magic fd number it should be remapped to
// (|childCrashRemapFd|) before exec() in the child process.
// |SetRemoteExceptionHandler()| in the child process expects to find
// the server at |childCrashRemapFd|. Return true iff successful.
//
// If crash reporting is disabled, both outparams will be set to -1
// and |true| will be returned.
bool CreateNotificationPipeForChild(int* childCrashFd, int* childCrashRemapFd);
// Child-side API
bool SetRemoteExceptionHandler();
#endif // XP_WIN32
bool UnsetRemoteExceptionHandler();
#if defined(__ANDROID__)
// Android builds use a custom library loader, so /proc/<pid>/maps
// will just show anonymous mappings for all the non-system
// shared libraries. This API is to work around that by providing
// info about the shared libraries that are mapped into these anonymous
// mappings.
void AddLibraryMapping(const char* library_name,
const char* file_id,
uintptr_t start_address,
size_t mapping_length,
size_t file_offset);
void AddLibraryMappingForChild(PRUint32 childPid,
const char* library_name,
const char* file_id,
uintptr_t start_address,
size_t mapping_length,
size_t file_offset);
void RemoveLibraryMappingsForChild(PRUint32 childPid);
#endif
}
#endif /* nsExceptionHandler_h__ */