LXR linux/arch/alpha/include/uapi/asm/a.out.h

   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
  16struct 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
  26struct 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
  40struct 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
  54struct 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__ */
  93