An encapsulation of an x86 exception with error code. More...

#include <arch/processor.h>

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Macros
#define	EXINFO_EXPECTED (1u << 31)

#define	EXINFO_AVAIL1 (1u << 25)

#define	EXINFO_AVAIL0 (1u << 24)

#define	EXINFO(vec, ec)

#define	EXINFO_SYM(exc, ec) EXINFO(X86_EXC_ ## exc, ec)

Typedefs
typedef unsigned int	exinfo_t
	Packed exception and error code information. More...

Functions
static unsigned int	exinfo_vec (exinfo_t info)

static unsigned int	exinfo_ec (exinfo_t info)

Detailed Description

An encapsulation of an x86 exception with error code.

Definition in file exinfo.h.

Macro Definition Documentation

◆ EXINFO_EXPECTED

#define EXINFO_EXPECTED (1u << 31)

Definition at line 21 of file exinfo.h.

◆ EXINFO_AVAIL1

#define EXINFO_AVAIL1 (1u << 25)

Definition at line 23 of file exinfo.h.

◆ EXINFO_AVAIL0

#define EXINFO_AVAIL0 (1u << 24)

Definition at line 24 of file exinfo.h.

◆ EXINFO

#define EXINFO	(	vec,
		ec
	)

Value:

(EXINFO_EXPECTED | \

(((vec) & 0xff) << 16) | ((ec) & 0xffff))

EXINFO_EXPECTED

#define EXINFO_EXPECTED

Definition: exinfo.h:21

Definition at line 26 of file exinfo.h.

◆ EXINFO_SYM

#define EXINFO_SYM	(	exc,
		ec
	)	EXINFO(X86_EXC_ ## exc, ec)

Definition at line 29 of file exinfo.h.

Typedef Documentation

◆ exinfo_t

typedef unsigned int exinfo_t

Packed exception and error code information.

Bottom 16 bits are error code
Next 8 bits are the entry vector
Next 2 bits are available for tests
Top bit it set to disambiguate #DE from no exception

Definition at line 19 of file exinfo.h.

Function Documentation

◆ exinfo_vec()

static unsigned int exinfo_vec ( exinfo_t info )

inlinestatic

Definition at line 31 of file exinfo.h.

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◆ exinfo_ec()

static unsigned int exinfo_ec ( exinfo_t info )