blob: 01dabb51255b5f49626265def254208c0ca6aa1c (
plain)
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
|
/*****************************************************************************/
/* pemagination: a (virtual) tour into portable bits and executable bytes */
/* Copyright (C) 2013,2014,2015 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.PEMAGINE. */
/*****************************************************************************/
#include <psxtypes/psxtypes.h>
#include <pemagine/pe_consts.h>
#include <pemagine/pe_structs.h>
#include <pemagine/pemagine.h>
#include "pe_impl.h"
pe_api
struct pe_sec_hdr * pe_get_image_section_tbl_addr (const void * base)
{
struct pe_coff_file_hdr * coff;
union pe_opt_hdr * opt;
if (!(coff = pe_get_image_coff_hdr_addr(base)))
return 0;
if (!(opt = pe_get_image_opt_hdr_addr(base)))
return 0;
return (struct pe_sec_hdr *)((char *)opt + *(uint16_t *)coff->size_of_opt_hdr);
}
pe_api
struct pe_sec_hdr * pe_get_image_named_section_addr (const void * base, const char * name)
{
uint16_t count;
struct pe_sec_hdr * hdr;
struct pe_coff_file_hdr*coff;
char * ch;
uint32_t len;
uint32_t pos;
uint64_t sname = 0;
if (!(hdr = pe_get_image_section_tbl_addr(base)))
return 0;
coff = pe_get_image_coff_hdr_addr(base);
count = *(uint16_t *)coff->num_of_sections;
if ((len = pe_impl_strlen_ansi(name)) > 8) {
/* todo: long name support */
return 0;
} else {
for (pos=0, ch=(char *)&sname; pos<len; pos++)
ch[pos] = name[pos];
for (; count; hdr++,count--)
if (*(uint64_t *)hdr->name == sname)
return hdr;
}
return 0;
}
|
