- #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->sh_bang || EX.ah.entry < 0x100000000
- ? ADDR_LIMIT_32BIT : 0) | PER_OSF4))
- #define STACK_TOP
- (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL)
- #endif
- #endif /* __A_OUT_GNU_H__ */