root/include/asm-sparc/a.out.h

/* */

INCLUDED FROM

   1 /* $Id: a.out.h,v 1.8 1995/11/25 02:31:09 davem Exp $ */
   2 #ifndef __SPARC_A_OUT_H__
   3 #define __SPARC_A_OUT_H__
   4 
   5 #define SPARC_PGSIZE    0x2000        /* Thanks to the sun4 architecture... */
   6 #define SEGMENT_SIZE    SPARC_PGSIZE  /* whee... */
   7 
   8 struct exec {
   9         unsigned char a_dynamic:1;      /* A __DYNAMIC is in this image */
  10         unsigned char a_toolversion:7;
  11         unsigned char a_machtype;
  12         unsigned short a_info;
  13         unsigned long a_text;           /* length of text, in bytes */
  14         unsigned long a_data;           /* length of data, in bytes */
  15         unsigned long a_bss;            /* length of bss, in bytes */
  16         unsigned long a_syms;           /* length of symbol table, in bytes */
  17         unsigned long a_entry;          /* where program begins */
  18         unsigned long a_trsize;
  19         unsigned long a_drsize;
  20 };
  21 
  22 /* Where in the file does the text information begin? */
  23 #define N_TXTOFF(x)     (N_MAGIC(x) == ZMAGIC ? 0 : sizeof (struct exec))
  24 
  25 /* Where do the Symbols start? */
  26 #define N_SYMOFF(x)     (N_TXTOFF(x) + (x).a_text +   \
  27                          (x).a_data + (x).a_trsize +  \
  28                          (x).a_drsize)
  29 
  30 /* Where does text segment go in memory after being loaded? */
  31 #define N_TXTADDR(x)    (((N_MAGIC(x) == ZMAGIC) &&        \
  32                          ((x).a_entry < SPARC_PGSIZE)) ?   \
  33                           0 : SPARC_PGSIZE)
  34 
  35 /* And same for the data segment.. */
  36 #define N_DATADDR(x) (N_MAGIC(x)==OMAGIC ?         \
  37                       (N_TXTADDR(x) + (x).a_text)  \
  38                        : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
  39 
  40 #define N_TRSIZE(a)     ((a).a_trsize)
  41 #define N_DRSIZE(a)     ((a).a_drsize)
  42 #define N_SYMSIZE(a)    ((a).a_syms)
  43 
  44 #ifdef __KERNEL__
  45 
  46 #define STACK_TOP       TASK_SIZE
  47 
  48 #endif
  49 
  50 #endif /* __SPARC_A_OUT_H__ */

/* */