blob: acdc681231cb49c2c11b8e47564bf02542bd3742 (
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
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
|
#ifndef __ALPHA_A_OUT_H__
#define __ALPHA_A_OUT_H__
#include <linux/types.h>
/*
* OSF/1 ECOFF header structs. ECOFF files consist of:
* - a file header (struct filehdr),
* - an a.out header (struct aouthdr),
* - one or more section headers (struct scnhdr).
* The filhdr's "f_nscns" field contains the
* number of section headers.
*/
struct filehdr
{
/* OSF/1 "file" header */
__u16 f_magic, f_nscns;
__u32 f_timdat;
__u64 f_symptr;
__u32 f_nsyms;
__u16 f_opthdr, f_flags;
};
struct aouthdr
{
__u64 info; /* after that it looks quite normal.. */
__u64 tsize;
__u64 dsize;
__u64 bsize;
__u64 entry;
__u64 text_start; /* with a few additions that actually make sense */
__u64 data_start;
__u64 bss_start;
__u32 gprmask, fprmask; /* bitmask of general & floating point regs used in binary */
__u64 gpvalue;
};
struct scnhdr
{
char s_name[8];
__u64 s_paddr;
__u64 s_vaddr;
__u64 s_size;
__u64 s_scnptr;
__u64 s_relptr;
__u64 s_lnnoptr;
__u16 s_nreloc;
__u16 s_nlnno;
__u32 s_flags;
};
struct exec
{
/* OSF/1 "file" header */
struct filehdr fh;
struct aouthdr ah;
};
/*
* Define's so that the kernel exec code can access the a.out header
* fields...
*/
#define a_info ah.info
#define a_text ah.tsize
#define a_data ah.dsize
#define a_bss ah.bsize
#define a_entry ah.entry
#define a_textstart ah.text_start
#define a_datastart ah.data_start
#define a_bssstart ah.bss_start
#define a_gprmask ah.gprmask
#define a_fprmask ah.fprmask
#define a_gpvalue ah.gpvalue
#define N_TXTADDR(x) ((x).a_textstart)
#define N_DATADDR(x) ((x).a_datastart)
#define N_BSSADDR(x) ((x).a_bssstart)
#define N_DRSIZE(x) 0
#define N_TRSIZE(x) 0
#define N_SYMSIZE(x) 0
#define AOUTHSZ sizeof(struct aouthdr)
#define SCNHSZ sizeof(struct scnhdr)
#define SCNROUND 16
#define N_TXTOFF(x) \
((long) N_MAGIC(x) == ZMAGIC ? 0 : \
(sizeof(struct exec) + (x).fh.f_nscns*SCNHSZ + SCNROUND - 1) & ~(SCNROUND - 1))
#ifdef __KERNEL__
/* Assume that start addresses below 4G belong to a TASO application.
Unfortunately, there is no proper bit in the exec header to check.
Worse, we have to notice the start address before swapping to use
/sbin/loader, which of course is _not_ a TASO application. */
#define SET_AOUT_PERSONALITY(BFPM, EX) \
set_personality (((BFPM->taso || EX.ah.entry < 0x100000000L \
? ADDR_LIMIT_32BIT : 0) | PER_OSF4))
#endif /* __KERNEL__ */
#endif /* __A_OUT_GNU_H__ */
|
