Subversion Repositories openrisc_2011-10-31

/* tc-i860.h -- Header file for the i860.
   Copyright 1991, 1992, 1995, 1998, 2000, 2001, 2002, 2003, 2005, 2007
   Free Software Foundation, Inc.
 
   Brought back from the dead and completely reworked
   by Jason Eckhardt <jle@cygnus.com>.
 
   This file is part of GAS, the GNU Assembler.
 
   GAS is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.
 
   GAS is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License along
   with GAS; see the file COPYING.  If not, write to the Free Software
   Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
 
#ifndef TC_I860
#define TC_I860 1
 
enum i860_fix_info
{
  OP_NONE	 = 0x00000,
  OP_IMM_U5	 = 0x00001,
  OP_IMM_S16	 = 0x00002,
  OP_IMM_U16	 = 0x00004,
  OP_IMM_SPLIT16 = 0x00008,
  OP_IMM_BR26	 = 0x00010,
  OP_IMM_BR16	 = 0x00020,
  OP_ENCODE1	 = 0x00040,
  OP_ENCODE2	 = 0x00080,
  OP_ENCODE3	 = 0x00100,
  OP_SEL_HA	 = 0x00200,
  OP_SEL_H	 = 0x00400,
  OP_SEL_L	 = 0x00800,
  OP_SEL_GOT	 = 0x01000,
  OP_SEL_GOTOFF	 = 0x02000,
  OP_SEL_PLT	 = 0x04000,
  OP_ALIGN2	 = 0x08000,
  OP_ALIGN4	 = 0x10000,
  OP_ALIGN8	 = 0x20000,
  OP_ALIGN16	 = 0x40000
};
 
/* Set the endianness we are using.  Default to little endian.  */
#ifndef TARGET_BYTES_BIG_ENDIAN
#define TARGET_BYTES_BIG_ENDIAN 0
#endif
 
/* Whether or not the target is big endian.  */
extern int target_big_endian;
 
/* BFD target architecture.  */
#define TARGET_ARCH     bfd_arch_i860
 
/* The target BFD format.  */
#ifdef OBJ_ELF
#define TARGET_FORMAT (target_big_endian ? "elf32-i860" : "elf32-i860-little")
#else
#error i860 GAS currently supports only the ELF object format
#endif
 
#define WORKING_DOT_WORD
#define DIFF_EXPR_OK
 
/* Permit temporary numeric labels.  */
#define LOCAL_LABELS_FB		1
#define LISTING_HEADER		"GAS for i860"
 
#define md_convert_frag(b,s,f)  abort ()
 
/* Values passed to md_apply_fix don't include the symbol value.  */
#define MD_APPLY_SYM_VALUE(FIX) 0
 
/* No shared lib support, so we don't need to ensure externally
   visible symbols can be overridden.  */
#define EXTERN_FORCE_RELOC 0
 
/* Bits for post-processing of a user defined label to check if
   it has a double colon (Intel syntax only).  */
extern void i860_check_label (symbolS *labelsym);
#define tc_check_label(ls)	i860_check_label (ls)
 
/* Bits for filling in rs_align_code fragments with NOPs.  */
extern void i860_handle_align (struct frag *);
#define HANDLE_ALIGN(fragp) i860_handle_align (fragp)
 
#define MAX_MEM_FOR_RS_ALIGN_CODE  (3 + 4 + 4)
 
#endif /* TC_I860 */