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/* $Id: a.out.h,v 1.1 2005-12-20 11:32:11 jcastillo Exp $ */

#ifndef __SPARC_A_OUT_H__

#define __SPARC_A_OUT_H__

#define SPARC_PGSIZE    0x2000        /* Thanks to the sun4 architecture... */

#define SEGMENT_SIZE    SPARC_PGSIZE  /* whee... */

struct exec {

        unsigned char a_dynamic:1;      /* A __DYNAMIC is in this image */

        unsigned char a_toolversion:7;

        unsigned char a_machtype;

        unsigned short a_info;

        unsigned long a_text;           /* length of text, in bytes */

        unsigned long a_data;           /* length of data, in bytes */

        unsigned long a_bss;            /* length of bss, in bytes */

        unsigned long a_syms;           /* length of symbol table, in bytes */

        unsigned long a_entry;          /* where program begins */

        unsigned long a_trsize;

        unsigned long a_drsize;

};

/* Where in the file does the text information begin? */

#define N_TXTOFF(x)     (N_MAGIC(x) == ZMAGIC ? 0 : sizeof (struct exec))

/* Where do the Symbols start? */

#define N_SYMOFF(x)     (N_TXTOFF(x) + (x).a_text +   \

                         (x).a_data + (x).a_trsize +  \

                         (x).a_drsize)

/* Where does text segment go in memory after being loaded? */

#define N_TXTADDR(x)    (((N_MAGIC(x) == ZMAGIC) &&        \

                         ((x).a_entry < SPARC_PGSIZE)) ?   \

/* And same for the data segment.. */

#define N_DATADDR(x) (N_MAGIC(x)==OMAGIC ?         \

                      (N_TXTADDR(x) + (x).a_text)  \

                       : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))

#define N_TRSIZE(a)     ((a).a_trsize)

#define N_DRSIZE(a)     ((a).a_drsize)

#define N_SYMSIZE(a)    ((a).a_syms)

#ifdef __KERNEL__

#define STACK_TOP       TASK_SIZE

#endif

#endif /* __SPARC_A_OUT_H__ */