xref: /openbmc/linux/arch/alpha/include/uapi/asm/a.out.h (revision 4f3db074)
1 #ifndef _UAPI__ALPHA_A_OUT_H__
2 #define _UAPI__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 #endif /* _UAPI__ALPHA_A_OUT_H__ */
92