root/arch/alpha/include/uapi/asm/a.out.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPI__ALPHA_A_OUT_H__
   3 #define _UAPI__ALPHA_A_OUT_H__
   4 
   5 #include <linux/types.h>
   6 
   7 /*
   8  * OSF/1 ECOFF header structs.  ECOFF files consist of:
   9  *      - a file header (struct filehdr),
  10  *      - an a.out header (struct aouthdr),
  11  *      - one or more section headers (struct scnhdr). 
  12  *        The filhdr's "f_nscns" field contains the
  13  *        number of section headers.
  14  */
  15 
  16 struct filehdr
  17 {
  18         /* OSF/1 "file" header */
  19         __u16 f_magic, f_nscns;
  20         __u32 f_timdat;
  21         __u64 f_symptr;
  22         __u32 f_nsyms;
  23         __u16 f_opthdr, f_flags;
  24 };
  25 
  26 struct aouthdr
  27 {
  28         __u64 info;             /* after that it looks quite normal.. */
  29         __u64 tsize;
  30         __u64 dsize;
  31         __u64 bsize;
  32         __u64 entry;
  33         __u64 text_start;       /* with a few additions that actually make sense */
  34         __u64 data_start;
  35         __u64 bss_start;
  36         __u32 gprmask, fprmask; /* bitmask of general & floating point regs used in binary */
  37         __u64 gpvalue;
  38 };
  39 
  40 struct scnhdr
  41 {
  42         char    s_name[8];
  43         __u64   s_paddr;
  44         __u64   s_vaddr;
  45         __u64   s_size;
  46         __u64   s_scnptr;
  47         __u64   s_relptr;
  48         __u64   s_lnnoptr;
  49         __u16   s_nreloc;
  50         __u16   s_nlnno;
  51         __u32   s_flags;
  52 };
  53 
  54 struct exec
  55 {
  56         /* OSF/1 "file" header */
  57         struct filehdr          fh;
  58         struct aouthdr          ah;
  59 };
  60 
  61 /*
  62  * Define's so that the kernel exec code can access the a.out header
  63  * fields...
  64  */
  65 #define a_info          ah.info
  66 #define a_text          ah.tsize
  67 #define a_data          ah.dsize
  68 #define a_bss           ah.bsize
  69 #define a_entry         ah.entry
  70 #define a_textstart     ah.text_start
  71 #define a_datastart     ah.data_start
  72 #define a_bssstart      ah.bss_start
  73 #define a_gprmask       ah.gprmask
  74 #define a_fprmask       ah.fprmask
  75 #define a_gpvalue       ah.gpvalue
  76 
  77 #define N_TXTADDR(x) ((x).a_textstart)
  78 #define N_DATADDR(x) ((x).a_datastart)
  79 #define N_BSSADDR(x) ((x).a_bssstart)
  80 #define N_DRSIZE(x) 0
  81 #define N_TRSIZE(x) 0
  82 #define N_SYMSIZE(x) 0
  83 
  84 #define AOUTHSZ         sizeof(struct aouthdr)
  85 #define SCNHSZ          sizeof(struct scnhdr)
  86 #define SCNROUND        16
  87 
  88 #define N_TXTOFF(x) \
  89   ((long) N_MAGIC(x) == ZMAGIC ? 0 : \
  90    (sizeof(struct exec) + (x).fh.f_nscns*SCNHSZ + SCNROUND - 1) & ~(SCNROUND - 1))
  91 
  92 #endif /* _UAPI__ALPHA_A_OUT_H__ */