1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/** @file
Provides definitions and functionality for manipulating IMAGE_PROPERTIES_RECORD.
Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef IMAGE_PROPERTIES_RECORD_SUPPORT_LIB_H_
#define IMAGE_PROPERTIES_RECORD_SUPPORT_LIB_H_
#define IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE SIGNATURE_32 ('I','P','R','C')
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_PHYSICAL_ADDRESS CodeSegmentBase;
UINT64 CodeSegmentSize;
} IMAGE_PROPERTIES_RECORD_CODE_SECTION;
#define IMAGE_PROPERTIES_RECORD_SIGNATURE SIGNATURE_32 ('I','P','R','D')
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_PHYSICAL_ADDRESS ImageBase;
UINT64 ImageSize;
UINTN CodeSegmentCount;
LIST_ENTRY CodeSegmentList;
} IMAGE_PROPERTIES_RECORD;
/**
Split the original memory map, and add more entries to describe PE code section and data section.
This function will set EfiRuntimeServicesData to be EFI_MEMORY_XP.
This function will merge entries with same attributes finally.
NOTE: It assumes PE code/data section are page aligned.
NOTE: It assumes enough entry is prepared for new memory map.
Split table:
+---------------+
| Record X |
+---------------+
| Record RtCode |
+---------------+
| Record Y |
+---------------+
==>
+---------------+
| Record X |
+---------------+ ----
| Record RtData | |
+---------------+ |
| Record RtCode | |-> PE/COFF1
+---------------+ |
| Record RtData | |
+---------------+ ----
| Record RtData | |
+---------------+ |
| Record RtCode | |-> PE/COFF2
+---------------+ |
| Record RtData | |
+---------------+ ----
| Record Y |
+---------------+
@param MemoryMapSize A pointer to the size, in bytes, of the
MemoryMap buffer. On input, this is the size of
old MemoryMap before split. The actual buffer
size of MemoryMap is MemoryMapSize +
(AdditionalRecordCount * DescriptorSize) calculated
below. On output, it is the size of new MemoryMap
after split.
@param MemoryMap A pointer to the buffer in which firmware places
the current memory map.
@param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.
@param ImageRecordList A list of IMAGE_PROPERTIES_RECORD entries used when searching
for an image record contained by the memory range described in
EFI memory map descriptors.
@param NumberOfAdditionalDescriptors The number of unused descriptors at the end of the input MemoryMap.
**/
VOID
EFIAPI
SplitTable (
IN OUT UINTN *MemoryMapSize,
IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,
IN UINTN DescriptorSize,
IN LIST_ENTRY *ImageRecordList,
IN UINTN NumberOfAdditionalDescriptors
);
/**
Sort code section in image record, based upon CodeSegmentBase from low to high.
@param ImageRecord image record to be sorted
**/
VOID
EFIAPI
SortImageRecordCodeSection (
IN IMAGE_PROPERTIES_RECORD *ImageRecord
);
/**
Check if code section in image record is valid.
@param ImageRecord image record to be checked
@retval TRUE image record is valid
@retval FALSE image record is invalid
**/
BOOLEAN
EFIAPI
IsImageRecordCodeSectionValid (
IN IMAGE_PROPERTIES_RECORD *ImageRecord
);
/**
Sort image record based upon the ImageBase from low to high.
@param ImageRecordList Image record list to be sorted
**/
VOID
EFIAPI
SortImageRecord (
IN LIST_ENTRY *ImageRecordList
);
/**
Swap two image records.
@param[in] FirstImageRecord The first image record.
@param[in] SecondImageRecord The second image record.
**/
VOID
EFIAPI
SwapImageRecord (
IN IMAGE_PROPERTIES_RECORD *FirstImageRecord,
IN IMAGE_PROPERTIES_RECORD *SecondImageRecord
);
/**
Swap two code sections in a single IMAGE_PROPERTIES_RECORD.
@param[in] FirstImageRecordCodeSection The first code section
@param[in] SecondImageRecordCodeSection The second code section
**/
VOID
EFIAPI
SwapImageRecordCodeSection (
IN IMAGE_PROPERTIES_RECORD_CODE_SECTION *FirstImageRecordCodeSection,
IN IMAGE_PROPERTIES_RECORD_CODE_SECTION *SecondImageRecordCodeSection
);
/**
Find image record according to image base and size.
@param ImageBase Base of PE image
@param ImageSize Size of PE image
@param ImageRecordList Image record list to be searched
@return image record
**/
IMAGE_PROPERTIES_RECORD *
EFIAPI
FindImageRecord (
IN EFI_PHYSICAL_ADDRESS ImageBase,
IN UINT64 ImageSize,
IN LIST_ENTRY *ImageRecordList
);
#endif
|
