1/** @file
2  PE/Coff Extra Action library instances, it will report image debug info.
3
4  Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
5  This program and the accompanying materials
6  are licensed and made available under the terms and conditions of the BSD License
7  which accompanies this distribution.  The full text of the license may be found at
8  http://opensource.org/licenses/bsd-license.php.
9
10  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13**/
14
15#ifndef _PE_COFF_EXTRA_ACTION_LIB_H_
16#define _PE_COFF_EXTRA_ACTION_LIB_H_
17
18#include <Base.h>
19#include <Library/PeCoffExtraActionLib.h>
20#include <Library/DebugLib.h>
21#include <Library/BaseLib.h>
22#include <Library/IoLib.h>
23#include <Library/PcdLib.h>
24#include <Library/BaseMemoryLib.h>
25
26#include <ImageDebugSupport.h>
27
28#define DEBUG_LOAD_IMAGE_METHOD_IO_HW_BREAKPOINT    1
29#define DEBUG_LOAD_IMAGE_METHOD_SOFT_INT3           2
30
31#define IO_HW_BREAKPOINT_VECTOR_NUM                 1
32#define SOFT_INT_VECTOR_NUM                         3
33
34extern UINTN  AsmInterruptHandle;
35
36/**
37  Read IDT entry to check if IDT entries are setup by Debug Agent.
38
39  @param[in]  IdtDescriptor      Pointer to IDT Descriptor.
40  @param[in]  InterruptType      Interrupt type.
41
42  @retval  TRUE     IDT entries were setup by Debug Agent.
43  @retval  FALSE    IDT entries were not setuo by Debug Agent.
44
45**/
46BOOLEAN
47CheckDebugAgentHandler (
48  IN  IA32_DESCRIPTOR            *IdtDescriptor,
49  IN  UINTN                      InterruptType
50  );
51
52/**
53  Save IDT entry for INT1 and update it.
54
55  @param[in]  IdtDescriptor      Pointer to IDT Descriptor.
56  @param[out] SavedIdtEntry      Original IDT entry returned.
57
58**/
59VOID
60SaveAndUpdateIdtEntry1 (
61  IN  IA32_DESCRIPTOR            *IdtDescriptor,
62  OUT IA32_IDT_GATE_DESCRIPTOR   *SavedIdtEntry
63  );
64
65/**
66  Restore IDT entry for INT1.
67
68  @param[in]  IdtDescriptor      Pointer to IDT Descriptor.
69  @param[in]  RestoredIdtEntry   IDT entry to be restored.
70
71**/
72VOID
73RestoreIdtEntry1 (
74  IN  IA32_DESCRIPTOR            *IdtDescriptor,
75  IN  IA32_IDT_GATE_DESCRIPTOR   *RestoredIdtEntry
76  );
77
78#endif
79
80