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
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include "efi.h"
extern bool dtb_override;
/* This is the actual PE format of the section header */
typedef struct PeSectionHeader {
uint8_t Name[8];
uint32_t VirtualSize;
uint32_t VirtualAddress;
uint32_t SizeOfRawData;
uint32_t PointerToRawData;
uint32_t PointerToRelocations;
uint32_t PointerToLinenumbers;
uint16_t NumberOfRelocations;
uint16_t NumberOfLinenumbers;
uint32_t Characteristics;
} _packed_ PeSectionHeader;
/* This is a subset of the full PE section header structure, with validated values, and without
* the noise. */
typedef struct PeSectionVector {
size_t memory_size; /* Size of the section in memory (corresponds to VirtualSize field) */
size_t memory_offset; /* Offset in memory, relative to base address */
uint64_t file_size; /* Amount of bytes of the section read from disk (possibly aligned to FileAlignment in case VirtualSize > SizeOfRawData). */
uint64_t file_offset; /* Offset on disk, relative to beginning of file */
} PeSectionVector;
static inline bool PE_SECTION_VECTOR_IS_SET(const PeSectionVector *v) {
return v && v->memory_size != 0;
}
EFI_STATUS pe_section_table_from_base(
const void *base,
const PeSectionHeader **ret_section_table,
size_t *ret_n_section_table);
EFI_STATUS pe_section_table_from_file(
EFI_FILE *handle,
PeSectionHeader **ret_section_table,
size_t *ret_n_section_table);
void pe_locate_sections(
const PeSectionHeader section_table[],
size_t n_section_table,
const char* const section_names[],
size_t validate_base,
PeSectionVector sections[]);
EFI_STATUS pe_memory_locate_sections(
const void *base,
const char *const section_names[],
PeSectionVector sections[]);
EFI_STATUS pe_kernel_info(const void *base, uint32_t *ret_entry_point, uint64_t *ret_image_base, size_t *ret_size_in_memory);
EFI_STATUS pe_kernel_check_no_relocation(const void *base);
|
