103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
#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__ */
|