sections.h

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/*

  Copyright (C) 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.

  This program is free software; you can redistribute it and/or modify it
  under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation.

  This program is distributed in the hope that it would be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

  Further, this software is distributed without any warranty that it is
  free of the rightful claim of any third person regarding infringement 
  or the like.  Any license provided herein, whether implied or 
  otherwise, applies only to this software file.  Patent licenses, if 
  any, provided herein do not apply to combinations of this program with 
  other software, or any other product whatsoever.  

  You should have received a copy of the GNU General Public License along
  with this program; if not, write the Free Software Foundation, Inc., 59
  Temple Place - Suite 330, Boston MA 02111-1307, USA.

  Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
  Mountain View, CA 94043, or:

  http://www.sgi.com

  For further information regarding this notice, see:

  http://oss.sgi.com/projects/GenInfo/NoticeExplan

*/


/*
 * target-specific info about elf sections.
 */

#ifndef sections_INCLUDED 
#define sections_INCLUDED

#include "defs.h"
#include "symtab.h"

/*
 * data layout keeps a table of predefined sections,
 * with info about the sections.
 */
typedef UINT16 SECTION_IDX;

enum _sec_kind {
  _SEC_UNKNOWN =0,
  _SEC_TEXT,
  _SEC_DATA,
  _SEC_SDATA,
  _SEC_LDATA,
  _SEC_RDATA,
  _SEC_SRDATA,
  _SEC_LIT4,
  _SEC_LIT8,
  _SEC_LIT16,
  _SEC_BSS,
  _SEC_SBSS,
  _SEC_LBSS,
  _SEC_GOT,
  _SEC_CPLINIT,
  _SEC_EH_REGION,
  _SEC_EH_REGION_SUPP,
  _SEC_DISTR_ARRAY,
  _SEC_THREAD_PRIVATE_FUNCS,
  _SEC_INDEX_MAX
  };

typedef struct {
  SECTION_IDX   id;             /* The partition ID */
  ST           *block;
  UINT32        flags;          /* elf attributes */
  UINT32        etype;          /* elf type */
  UINT32        entsize;        /* elf entsize */
  INT64         max_sec_size;   /* Maximum size of this section */
  char         *name;           /* Print name */
  INT32         pad_size;       /* size to pad, neg ==> post pad */
} SECTION;

extern SECTION Sections[_SEC_INDEX_MAX];

#define SEC_id(s)               (Sections[s].id)
#define SEC_block(s)            (Sections[s].block)
#define SEC_flags(s)            (Sections[s].flags)
#define SEC_type(s)             (Sections[s].etype)
#define SEC_entsize(s)          (Sections[s].entsize)
#define SEC_max_sec_size(s)     (Sections[s].max_sec_size)
#define SEC_name(s)             (Sections[s].name)
#define SEC_pad_size(s)         (Sections[s].pad_size)

inline INT Get_Section_Elf_Flags (SECTION_IDX s)
{
        return SEC_flags(s);
}
inline INT Get_Section_Elf_Type (SECTION_IDX s)
{
        return SEC_type(s);
}
inline INT Get_Section_Elf_Entsize (SECTION_IDX s)
{
        return SEC_entsize(s);
}

extern SECTION_IDX Corresponding_Short_Section (SECTION_IDX sec);
extern BOOL SEC_is_gprel (SECTION_IDX sec);
extern BOOL SEC_is_merge (SECTION_IDX sec);
extern BOOL SEC_is_exec (SECTION_IDX sec);
extern BOOL SEC_is_nobits (SECTION_IDX sec);

#endif