1 #ifndef __ALPHA_A_OUT_H__
2 #define __ALPHA_A_OUT_H__
3
4 #include <linux/types.h>
5
6 /*
7 * OSF/1 ECOFF header structs. ECOFF files consist of:
8 * - a file header (struct filehdr),
9 * - an a.out header (struct aouthdr),
10 * - one or more section headers (struct scnhdr).
11 * The filhdr's "f_nscns" field contains the
12 * number of section headers.
13 */
14
15 struct filehdr
16 {
17 /* OSF/1 "file" header */
18 __u16 f_magic, f_nscns;
19 __u32 f_timdat;
20 __u64 f_symptr;
21 __u32 f_nsyms;
22 __u16 f_opthdr, f_flags;
23 };
24
25 struct aouthdr
26 {
27 __u64 info; /* after that it looks quite normal.. */
28 __u64 tsize;
29 __u64 dsize;
30 __u64 bsize;
31 __u64 entry;
32 __u64 text_start; /* with a few additions that actually make sense */
33 __u64 data_start;
34 __u64 bss_start;
35 __u32 gprmask, fprmask; /* bitmask of general & floating point regs used in binary */
36 __u64 gpvalue;
37 };
38
39 struct scnhdr
40 {
41 char s_name[8];
42 __u64 s_paddr;
43 __u64 s_vaddr;
44 __u64 s_size;
45 __u64 s_scnptr;
46 __u64 s_relptr;
47 __u64 s_lnnoptr;
48 __u16 s_nreloc;
49 __u16 s_nlnno;
50 __u32 s_flags;
51 };
52
53 struct exec
54 {
55 /* OSF/1 "file" header */
56 struct filehdr fh;
57 struct aouthdr ah;
58 };
59
60 /*
61 * Define's so that the kernel exec code can access the a.out header
62 * fields...
63 */
64 #define a_info ah.info
65 #define a_text ah.tsize
66 #define a_data ah.dsize
67 #define a_bss ah.bsize
68 #define a_entry ah.entry
69 #define a_textstart ah.text_start
70 #define a_datastart ah.data_start
71 #define a_bssstart ah.bss_start
72 #define a_gprmask ah.gprmask
73 #define a_fprmask ah.fprmask
74 #define a_gpvalue ah.gpvalue
75
76 #define N_TXTADDR(x) ((x).a_textstart)
77 #define N_DATADDR(x) ((x).a_datastart)
78 #define N_BSSADDR(x) ((x).a_bssstart)
79 #define N_DRSIZE(x) 0
80 #define N_TRSIZE(x) 0
81 #define N_SYMSIZE(x) 0
82
83 #define AOUTHSZ sizeof(struct aouthdr)
84 #define SCNHSZ sizeof(struct scnhdr)
85 #define SCNROUND 16
86
87 #define N_TXTOFF(x) \
88 ((long) N_MAGIC(x) == ZMAGIC ? 0 : \
89 (sizeof(struct exec) + (x).fh.f_nscns*SCNHSZ + SCNROUND - 1) & ~(SCNROUND - 1))
90
91 #ifdef __KERNEL__
92
93 #define STACK_TOP \
94 ((current->personality==PER_LINUX_32BIT) ? (0x80000000) : (0x00120000000UL))
95
96 #endif
97
98 #endif /* __A_OUT_GNU_H__ */
99
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