exception.h File Reference

#include <stdint.h>
#include <stddef.h>
#include "me.h"
#include "core.h"

Go to the source code of this file.

Data Structures
struct	_EXCEPTION_RECORD
struct	_CONTEXT
struct	_EXCEPTION_REGISTRATION_RECORD
struct	_EX_FRAME_REGISTRATION

Macros
#define	EXCEPTION_MAXIMUM_PARAMETERS   15
#define	_try
#define	_except(FilterExpression)
#define	_end_except

Typedefs
typedef struct _EXCEPTION_RECORD	EXCEPTION_RECORD
typedef struct _EXCEPTION_RECORD *	PEXCEPTION_RECORD
typedef enum _EXCEPTION_DISPOSITION	EXCEPTION_DISPOSITION
typedef struct _CONTEXT	CONTEXT
typedef struct _CONTEXT *	PCONTEXT
typedef struct _EXCEPTION_REGISTRATION_RECORD	EXCEPTION_REGISTRATION_RECORD
typedef struct _EX_FRAME_REGISTRATION	EX_FRAME_REGISTRATION

Enumerations
enum	_EXCEPTION_DISPOSITION { ExceptionContinueExecution = 0 , ExceptionContinueSearch = 1 , ExceptionNestedException = 2 , ExceptionCollidedUnwind = 3 }

Functions
PETHREAD	PsGetCurrentThread (void)
bool	ExpCaptureContext (IN PCONTEXT Context)
EXCEPTION_DISPOSITION	MeStandardHandler (PEXCEPTION_RECORD ExceptionRecord, void *EstablisherFrame, PCONTEXT ContextRecord, void *DispatcherContext)
bool	ExpIsExceptionHandlerPresent (IN PETHREAD Thread)
void	ExpDispatchException (IN PTRAP_FRAME TrapFrame, IN PCONTEXT ContextRecord, IN PEXCEPTION_RECORD ExceptionRecord)

Macro Definition Documentation

_end_except

#define _end_except

Value:

            } \
        } \
    }

Definition at line 121 of file exception.h.

_except

#define _except

(

FilterExpression

)

Value:

            /* Success path: Unlink frame */ \
            _CurrentThread->ExceptionList = _MyFrame.Next; \
        } else { \
            /* Crash path: We just "landed" here from the handler! */ \
            /* Unlink frame (safe to do again) */ \
            _CurrentThread->ExceptionList = _MyFrame.Next; \
            /* You can access _MyFrame.ExceptionCode here if needed */ \
            { \
               /* User Code inside except block */

Definition at line 110 of file exception.h.

_try

#define _try

Value:

    { \
        PETHREAD _CurrentThread = PsGetCurrentThread(); \
        ME_EXCEPTION_FRAME _MyFrame; \
        _MyFrame.Next = (PME_EXCEPTION_FRAME)_CurrentThread->ExceptionList; \
        _MyFrame.Handler = MeStandardHandler; \
        _CurrentThread->ExceptionList = &_MyFrame; \
        /* Save Context. Returns 0 initially. Returns 1 if we crashed. */ \
        if (ExpCaptureContext(&_MyFrame) == 0) { \

Definition at line 100 of file exception.h.

EXCEPTION_MAXIMUM_PARAMETERS

#define EXCEPTION_MAXIMUM_PARAMETERS   15

Definition at line 34 of file exception.h.

Typedef Documentation

CONTEXT

typedef struct _CONTEXT CONTEXT

EX_FRAME_REGISTRATION

typedef struct _EX_FRAME_REGISTRATION EX_FRAME_REGISTRATION

EXCEPTION_DISPOSITION

typedef enum _EXCEPTION_DISPOSITION EXCEPTION_DISPOSITION

EXCEPTION_RECORD

typedef struct _EXCEPTION_RECORD EXCEPTION_RECORD

EXCEPTION_REGISTRATION_RECORD

typedef struct _EXCEPTION_REGISTRATION_RECORD EXCEPTION_REGISTRATION_RECORD

PCONTEXT

typedef struct _CONTEXT * PCONTEXT

PEXCEPTION_RECORD

typedef struct _EXCEPTION_RECORD * PEXCEPTION_RECORD

Enumeration Type Documentation

_EXCEPTION_DISPOSITION

enum _EXCEPTION_DISPOSITION

Enumerator
ExceptionContinueExecution
ExceptionContinueSearch
ExceptionNestedException
ExceptionCollidedUnwind

Definition at line 43 of file exception.h.

Function Documentation

ExpCaptureContext()

bool ExpCaptureContext ( IN PCONTEXT Context )

extern

ExpDispatchException()

void ExpDispatchException	(	IN PTRAP_FRAME	TrapFrame,
		IN PCONTEXT	ContextRecord,
		IN PEXCEPTION_RECORD	ExceptionRecord )

Definition at line 56 of file exception.c.

ExpIsExceptionHandlerPresent()

bool ExpIsExceptionHandlerPresent

(

IN PETHREAD

Thread

)

Definition at line 23 of file exception.c.

MeStandardHandler()

EXCEPTION_DISPOSITION MeStandardHandler	(	PEXCEPTION_RECORD	ExceptionRecord,
		void *	EstablisherFrame,
		PCONTEXT	ContextRecord,
		void *	DispatcherContext )

PsGetCurrentThread()

PETHREAD PsGetCurrentThread ( void )

extern

Definition at line 191 of file thread.c.