blob: 88cd6baba8f371046fff2258db1ae1019c54ed84 (
plain) (
blame)
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
|
/*
* Copyright (C) 2002-2003 David McCullough <davidm@snapgear.com>
* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
* The Silver Hammer Group, Ltd.
*
* This file provides the definitions and structures needed to
* support uClinux flat-format executables.
*/
#ifndef _UAPI_LINUX_FLAT_H
#define _UAPI_LINUX_FLAT_H
#define FLAT_VERSION 0x00000004L
#ifdef CONFIG_BINFMT_SHARED_FLAT
#define MAX_SHARED_LIBS (4)
#else
#define MAX_SHARED_LIBS (1)
#endif
/*
* To make everything easier to port and manage cross platform
* development, all fields are in network byte order.
*/
struct flat_hdr {
char magic[4];
unsigned long rev; /* version (as above) */
unsigned long entry; /* Offset of first executable instruction
with text segment from beginning of file */
unsigned long data_start; /* Offset of data segment from beginning of
file */
unsigned long data_end; /* Offset of end of data segment
from beginning of file */
unsigned long bss_end; /* Offset of end of bss segment from beginning
of file */
/* (It is assumed that data_end through bss_end forms the bss segment.) */
unsigned long stack_size; /* Size of stack, in bytes */
unsigned long reloc_start; /* Offset of relocation records from
beginning of file */
unsigned long reloc_count; /* Number of relocation records */
unsigned long flags;
unsigned long build_date; /* When the program/library was built */
unsigned long filler[5]; /* Reservered, set to zero */
};
#define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */
#define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */
#define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */
#define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */
#define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */
#endif /* _UAPI_LINUX_FLAT_H */
|
