include/asm-sparc/user.h

   1 /* $Id: user.h,v 1.5 1998/02/23 01:49:22 rth Exp $
   2  * asm-sparc/user.h: Core file definitions for the Sparc.
   3  *
   4  * Keep in sync with reg.h.  Actually, we could get rid of this
   5  * one, since we won't a.out core dump that much anyways - miguel.
   6  * Copyright (C) 1995 (davem@caip.rutgers.edu)
   7  */
   8 #ifndef _SPARC_USER_H
   9 #define _SPARC_USER_H
  10
  11 #include <asm/a.out.h>
  12 struct sunos_regs {
  13         unsigned long psr, pc, npc, y;
  14         unsigned long regs[15];
  15 };
  16
  17 struct sunos_fpqueue {
  18         unsigned long *addr;
  19         unsigned long inst;
  20 };
  21
  22 struct sunos_fp {
  23         union {
  24                 unsigned long regs[32];
  25                 double reg_dbls[16];
  26         } fregs;
  27         unsigned long fsr;
  28         unsigned long flags;
  29         unsigned long extra;
  30         unsigned long fpq_count;
  31         struct sunos_fpqueue fpq[16];
  32 };
  33
  34 struct sunos_fpu {
  35         struct sunos_fp fpstatus;
  36 };
  37
  38 /* The SunOS core file header layout. */
  39 struct user {
  40         unsigned long magic;
  41         unsigned long len;
  42         struct sunos_regs regs;
  43         struct exec uexec;
  44         int           signal;
  45         size_t        u_tsize; /* all of these in bytes! */
  46         size_t        u_dsize;
  47         size_t        u_ssize;
  48         char          u_comm[17];
  49         struct sunos_fpu fpu;
  50         unsigned long sigcode;   /* Special sigcontext subcode, if any */
  51 };
  52
  53 #define NBPG                   0x2000
  54 #define UPAGES                 1
  55 #define HOST_TEXT_START_ADDR   (u.start_code)
  56 #define HOST_DATA_START_ADDR   (u.uexec.a_data)
  57 #define HOST_STACK_END_ADDR    (- u.u_ssize * NBPG)
  58 #define SUNOS_CORE_MAGIC       0x080456
  59
  60 #endif /* !(_SPARC_USER_H) */