diff options
Diffstat (limited to 'arch/alpha/include/asm/a.out.h')
-rw-r--r-- | arch/alpha/include/asm/a.out.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/a.out.h b/arch/alpha/include/asm/a.out.h new file mode 100644 index 000000000000..02ce8473870a --- /dev/null +++ b/arch/alpha/include/asm/a.out.h | |||
@@ -0,0 +1,102 @@ | |||
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 | /* Assume that start addresses below 4G belong to a TASO application. | ||
94 | Unfortunately, there is no proper bit in the exec header to check. | ||
95 | Worse, we have to notice the start address before swapping to use | ||
96 | /sbin/loader, which of course is _not_ a TASO application. */ | ||
97 | #define SET_AOUT_PERSONALITY(BFPM, EX) \ | ||
98 | set_personality (((BFPM->sh_bang || EX.ah.entry < 0x100000000L \ | ||
99 | ? ADDR_LIMIT_32BIT : 0) | PER_OSF4)) | ||
100 | |||
101 | #endif /* __KERNEL__ */ | ||
102 | #endif /* __A_OUT_GNU_H__ */ | ||