exception.h File Reference

This file defines data structures to setup vectored exception handlers in the enclave. More...

#include <openenclave/bits/defs.h>
#include <openenclave/bits/types.h>

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Data Structures
struct	_oe_basic_xstate
	Blob that contains X87 and SSE data. More...
struct	_oe_context
	Register state to be saved before an exception and restored after the exception has been handled in the enclave. More...
struct	_oe_exception_record
	Exception context structure with the exception code, flags, address and calling context of the exception. More...

Macros
#define	OE_EXCEPTION_DIVIDE_BY_ZERO   0x0
	Divider exception code, used by vectored exception handler.
#define	OE_EXCEPTION_BREAKPOINT   0x1
	Debug exception code, used by vectored exception handler.
#define	OE_EXCEPTION_BOUND_OUT_OF_RANGE   0x2
	Bound range exceeded exception code, used by vectored exception handler.
#define	OE_EXCEPTION_ILLEGAL_INSTRUCTION   0x3
	Illegal instruction exception code, used by vectored exception handler.
#define	OE_EXCEPTION_ACCESS_VIOLATION   0x4
	Access violation exception code, used by vectored exception handler.
#define	OE_EXCEPTION_PAGE_FAULT   0x5
	Page fault exception code, used by vectored exception handler.
#define	OE_EXCEPTION_X87_FLOAT_POINT   0x6
	x87 floating point exception code, used by vectored exception handler.
#define	OE_EXCEPTION_MISALIGNMENT   0x7
	Alignment check exception code, used by vectored exception handler.
#define	OE_EXCEPTION_SIMD_FLOAT_POINT   0x8
	SIMD floating point exception code, used by vectored exception handler.
#define	OE_EXCEPTION_UNKNOWN   0xFFFFFFFF
	Unknown exception code, used by vectored exception handler.
#define	OE_EXCEPTION_FLAGS_HARDWARE   0x1
	Hardware exception flag, set when enclave software exited due to hardware exception.
#define	OE_EXCEPTION_FLAGS_SOFTWARE   0x2
	Software exception flag, set when enclave software exited due to software exception.

Typedefs
typedef struct _oe_basic_xstate	oe_basic_xstate_t
	Blob that contains X87 and SSE data. More...
typedef struct _oe_context	oe_context_t
	Register state to be saved before an exception and restored after the exception has been handled in the enclave. More...
typedef struct _oe_exception_record	oe_exception_record_t
	Exception context structure with the exception code, flags, address and calling context of the exception. More...
typedef uint64_t(*	oe_vectored_exception_handler_t) (oe_exception_record_t *exception_context)
	oe_vectored_exception_handler_t - Function pointer for a vectored exception handler in an enclave. More...

Detailed Description

This file defines data structures to setup vectored exception handlers in the enclave.