diff options
Diffstat (limited to 'include/uapi/linux/flat.h')
-rw-r--r-- | include/uapi/linux/flat.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/uapi/linux/flat.h b/include/uapi/linux/flat.h new file mode 100644 index 000000000000..88cd6baba8f3 --- /dev/null +++ b/include/uapi/linux/flat.h | |||
@@ -0,0 +1,58 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002-2003 David McCullough <davidm@snapgear.com> | ||
3 | * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> | ||
4 | * The Silver Hammer Group, Ltd. | ||
5 | * | ||
6 | * This file provides the definitions and structures needed to | ||
7 | * support uClinux flat-format executables. | ||
8 | */ | ||
9 | |||
10 | #ifndef _UAPI_LINUX_FLAT_H | ||
11 | #define _UAPI_LINUX_FLAT_H | ||
12 | |||
13 | |||
14 | #define FLAT_VERSION 0x00000004L | ||
15 | |||
16 | #ifdef CONFIG_BINFMT_SHARED_FLAT | ||
17 | #define MAX_SHARED_LIBS (4) | ||
18 | #else | ||
19 | #define MAX_SHARED_LIBS (1) | ||
20 | #endif | ||
21 | |||
22 | /* | ||
23 | * To make everything easier to port and manage cross platform | ||
24 | * development, all fields are in network byte order. | ||
25 | */ | ||
26 | |||
27 | struct flat_hdr { | ||
28 | char magic[4]; | ||
29 | unsigned long rev; /* version (as above) */ | ||
30 | unsigned long entry; /* Offset of first executable instruction | ||
31 | with text segment from beginning of file */ | ||
32 | unsigned long data_start; /* Offset of data segment from beginning of | ||
33 | file */ | ||
34 | unsigned long data_end; /* Offset of end of data segment | ||
35 | from beginning of file */ | ||
36 | unsigned long bss_end; /* Offset of end of bss segment from beginning | ||
37 | of file */ | ||
38 | |||
39 | /* (It is assumed that data_end through bss_end forms the bss segment.) */ | ||
40 | |||
41 | unsigned long stack_size; /* Size of stack, in bytes */ | ||
42 | unsigned long reloc_start; /* Offset of relocation records from | ||
43 | beginning of file */ | ||
44 | unsigned long reloc_count; /* Number of relocation records */ | ||
45 | unsigned long flags; | ||
46 | unsigned long build_date; /* When the program/library was built */ | ||
47 | unsigned long filler[5]; /* Reservered, set to zero */ | ||
48 | }; | ||
49 | |||
50 | #define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */ | ||
51 | #define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */ | ||
52 | #define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */ | ||
53 | #define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */ | ||
54 | #define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */ | ||
55 | |||
56 | |||
57 | |||
58 | #endif /* _UAPI_LINUX_FLAT_H */ | ||