DebugLibConstructor.c File Reference

#include <Uefi.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>

Go to the source code of this file.

Functions
EFI_STATUS EFIAPI	DxeDebugLibConstructor (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
EFI_STATUS EFIAPI	DxeDebugLibDestructor (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Variables
BOOLEAN	mPostEBS = FALSE
EFI_BOOT_SERVICES *	mDebugBS

Detailed Description

UEFI Dxe DebugLib constructor that prevent some debug service after ExitBootServices event, because some pointer is nulled at that phase.

Copyright (c) 2018, Microsoft Corporation Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file DebugLibConstructor.c.

Function Documentation

DxeDebugLibConstructor()

EFI_STATUS EFIAPI DxeDebugLibConstructor	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

The constructor gets the pointers to boot services table. And create a event to indicate it is after ExitBootServices.

Parameters

ImageHandle	The firmware allocated handle for the EFI image.
SystemTable	A pointer to the EFI System Table.

Return values

EFI_SUCCESS

The constructor always returns EFI_SUCCESS.

Definition at line 61 of file DebugLibConstructor.c.

DxeDebugLibDestructor()

EFI_STATUS EFIAPI DxeDebugLibDestructor	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

The destructor closes Exit Boot Services Event.

Parameters

ImageHandle	The firmware allocated handle for the EFI image.
SystemTable	A pointer to the EFI System Table.

Return values

EFI_SUCCESS

The destructor always returns EFI_SUCCESS.

Definition at line 90 of file DebugLibConstructor.c.

Variable Documentation

mDebugBS

EFI_BOOT_SERVICES* mDebugBS

Definition at line 27 of file DebugLibConstructor.c.

mPostEBS

BOOLEAN mPostEBS = FALSE

Definition at line 18 of file DebugLibConstructor.c.