Source code of Windows XP (NT5)
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//----------------------------------------------------------------------------
//
// Event waiting and processing.
//
// Copyright (C) Microsoft Corporation, 1999-2001.
//
//----------------------------------------------------------------------------
#ifndef __EVENT_H__
#define __EVENT_H__
struct LAST_EVENT_INFO
{
union
{
DEBUG_LAST_EVENT_INFO_BREAKPOINT Breakpoint;
DEBUG_LAST_EVENT_INFO_EXCEPTION Exception;
DEBUG_LAST_EVENT_INFO_EXIT_THREAD ExitThread;
DEBUG_LAST_EVENT_INFO_EXIT_PROCESS ExitProcess;
DEBUG_LAST_EVENT_INFO_LOAD_MODULE LoadModule;
DEBUG_LAST_EVENT_INFO_UNLOAD_MODULE UnloadModule;
DEBUG_LAST_EVENT_INFO_SYSTEM_ERROR SystemError;
};
};
extern ULONG g_EventProcessSysId;
extern ULONG g_EventThreadSysId;
extern ULONG g_LastEventType;
extern char g_LastEventDesc[];
extern PVOID g_LastEventExtraData;
extern ULONG g_LastEventExtraDataSize;
extern LAST_EVENT_INFO g_LastEventInfo;
extern ULONG64 g_EventPc;
extern PDEBUG_EXCEPTION_FILTER_PARAMETERS g_EventExceptionFilter;
extern ULONG g_ExceptionFirstChance;
extern ULONG64 g_ThreadToResume;
extern HANDLE g_EventToSignal;
extern ULONG g_SystemErrorOutput;
extern ULONG g_SystemErrorBreak;
extern ULONG g_ExecutionStatusRequest;
extern ULONG g_PendingBreakInTimeoutLimit;
extern PCHAR g_StateChangeData;
extern PDBGKD_ANY_CONTROL_REPORT g_ControlReport;
extern ULONG64 g_SystemRangeStart;
extern ULONG64 g_SystemCallVirtualAddress;
extern ULONG g_SwitchProcessor;
extern KDDEBUGGER_DATA64 KdDebuggerData;
extern ULONG64 g_KdDebuggerDataBlock;
void DiscardLastEvent(void);
void ClearEventLog(void);
void OutputEventLog(void);
ULONG EventStatusToContinue(ULONG EventStatus);
HRESULT PrepareForWait(ULONG Flags, PULONG ContinueStatus);
void ProcessDeferredWork(PULONG ContinueStatus);
BOOL SuspendExecution(void);
HRESULT ResumeExecution(void);
// PrepareForCalls must gracefully handle failures so that
// it is always possible to enter call-handling mode.
void PrepareForCalls(ULONG64 ExtraStatusFlags);
// PrepareForExecution should report failures so that
// execution is not started until command mode can be left cleanly.
// This biases things towards running in command mode, which
// is the right thing to do.
HRESULT PrepareForExecution(ULONG NewStatus);
HRESULT PrepareForSeparation(void);
void FindEventProcessThread(void);
ULONG MergeVotes(ULONG Cur, ULONG Vote);
ULONG ProcessBreakpointOrStepException(PEXCEPTION_RECORD64 Record,
ULONG FirstChance);
ULONG CheckBreakpointOrStepTrace(PADDR BpAddr, ULONG BreakType);
ULONG CheckStepTrace(PADDR PcAddr, ULONG DefaultStatus);
void AnalyzeDeadlock(EXCEPTION_RECORD64* Exception,
ULONG FirstChance);
void OutputDeadlock(EXCEPTION_RECORD64* Exception,
ULONG FirstChance);
void GetEventName(ULONG64 ImageFile, ULONG64 ImageBase,
ULONG64 NamePtr, WORD Unicode,
PSTR NameBuffer, ULONG BufferSize);
DWORD64 GetKernelModuleBase(ULONG64 Address);
BOOL VerifyKernelBase(BOOL LoadImage);
ULONG ProcessStateChange(PDBGKD_ANY_WAIT_STATE_CHANGE StateChange,
PCHAR StateChangeData);
void ResetConnection(ULONG Reason);
void CreateKernelProcessAndThreads(void);
void AddKernelThreads(ULONG Start, ULONG Count);
ULONG ProcessRunChange(ULONG HaltReason, ULONG ExceptionCode);
ULONG ProcessDebugEvent(DEBUG_EVENT64* Event,
ULONG PendingFlags, ULONG PendingOptions);
ULONG ProcessEventException(DEBUG_EVENT64* Event);
ULONG OutputEventDebugString(OUTPUT_DEBUG_STRING_INFO64* Info);
//----------------------------------------------------------------------------
//
// Event filtering.
//
//----------------------------------------------------------------------------
extern ULONG64 g_UnloadDllBase;
BOOL BreakOnThisImageTail(PCSTR ImagePath, PCSTR FilterArg);
BOOL BreakOnThisDllUnload(ULONG64 DllBase);
BOOL BreakOnThisOutString(PCSTR OutString);
#define FILTER_MAX_ARGUMENT MAX_IMAGE_PATH
#define FILTER_SPECIFIC_FIRST DEBUG_FILTER_CREATE_THREAD
#define FILTER_SPECIFIC_LAST DEBUG_FILTER_DEBUGGEE_OUTPUT
#define FILTER_EXCEPTION_FIRST (FILTER_SPECIFIC_LAST + 1)
#define FILTER_EXCEPTION_LAST (FILTER_SPECIFIC_LAST + 21)
#define FILTER_DEFAULT_EXCEPTION FILTER_EXCEPTION_FIRST
#define FILTER_COUNT (FILTER_EXCEPTION_LAST + 1)
#define IS_EFEXECUTION_BREAK(Execution) \
((Execution) == DEBUG_FILTER_SECOND_CHANCE_BREAK || \
(Execution) == DEBUG_FILTER_BREAK)
#define FILTER_CHANGED_EXECUTION 0x00000001
#define FILTER_CHANGED_CONTINUE 0x00000002
#define FILTER_CHANGED_COMMAND 0x00000004
struct EVENT_COMMAND
{
DebugClient* Client;
// Both first and second chances have commands.
PSTR Command[2];
ULONG CommandSize[2];
};
struct EVENT_FILTER
{
PCSTR Name;
PCSTR ExecutionAbbrev;
PCSTR ContinueAbbrev;
PCSTR OutArgFormat;
ULONG OutArgIndex;
DEBUG_EXCEPTION_FILTER_PARAMETERS Params;
EVENT_COMMAND Command;
PSTR Argument;
ULONG Flags;
};
#define OTHER_EXCEPTION_LIST_MAX 32
extern EVENT_FILTER g_EventFilters[];
extern DEBUG_EXCEPTION_FILTER_PARAMETERS g_OtherExceptionList[];
extern EVENT_COMMAND g_OtherExceptionCommands[];
extern ULONG g_NumOtherExceptions;
EVENT_FILTER* GetSpecificExceptionFilter(ULONG Code);
void GetOtherExceptionParameters(ULONG Code,
PDEBUG_EXCEPTION_FILTER_PARAMETERS* Params,
EVENT_COMMAND** Command);
void ParseSetEventFilter(DebugClient* Client);
#define SXCMDS_ONE_LINE 0x00000001
void ListFiltersAsCommands(DebugClient* Client, ULONG Flags);
BOOL SyncFiltersWithOptions(void);
BOOL SyncOptionsWithFilters(void);
#endif // #ifndef __EVENT_H__