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      1 /* tc-i860.h -- Header file for the i860.
      2    Copyright (C) 1991-2016 Free Software Foundation, Inc.
      3 
      4    Brought back from the dead and completely reworked
      5    by Jason Eckhardt <jle (at) cygnus.com>.
      6 
      7    This file is part of GAS, the GNU Assembler.
      8 
      9    GAS is free software; you can redistribute it and/or modify
     10    it under the terms of the GNU General Public License as published by
     11    the Free Software Foundation; either version 3, or (at your option)
     12    any later version.
     13 
     14    GAS is distributed in the hope that it will be useful,
     15    but WITHOUT ANY WARRANTY; without even the implied warranty of
     16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17    GNU General Public License for more details.
     18 
     19    You should have received a copy of the GNU General Public License along
     20    with GAS; see the file COPYING.  If not, write to the Free Software
     21    Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
     22 
     23 #ifndef TC_I860
     24 #define TC_I860 1
     25 
     26 enum i860_fix_info
     27 {
     28   OP_NONE	 = 0x00000,
     29   OP_IMM_U5	 = 0x00001,
     30   OP_IMM_S16	 = 0x00002,
     31   OP_IMM_U16	 = 0x00004,
     32   OP_IMM_SPLIT16 = 0x00008,
     33   OP_IMM_BR26	 = 0x00010,
     34   OP_IMM_BR16	 = 0x00020,
     35   OP_ENCODE1	 = 0x00040,
     36   OP_ENCODE2	 = 0x00080,
     37   OP_ENCODE3	 = 0x00100,
     38   OP_SEL_HA	 = 0x00200,
     39   OP_SEL_H	 = 0x00400,
     40   OP_SEL_L	 = 0x00800,
     41   OP_SEL_GOT	 = 0x01000,
     42   OP_SEL_GOTOFF	 = 0x02000,
     43   OP_SEL_PLT	 = 0x04000,
     44   OP_ALIGN2	 = 0x08000,
     45   OP_ALIGN4	 = 0x10000,
     46   OP_ALIGN8	 = 0x20000,
     47   OP_ALIGN16	 = 0x40000
     48 };
     49 
     50 /* Set the endianness we are using.  Default to little endian.  */
     51 #ifndef TARGET_BYTES_BIG_ENDIAN
     52 #define TARGET_BYTES_BIG_ENDIAN 0
     53 #endif
     54 
     55 /* Whether or not the target is big endian.  */
     56 extern int target_big_endian;
     57 
     58 /* BFD target architecture.  */
     59 #define TARGET_ARCH     bfd_arch_i860
     60 
     61 /* The target BFD format.  */
     62 #ifdef OBJ_ELF
     63 #define TARGET_FORMAT (target_big_endian ? "elf32-i860" : "elf32-i860-little")
     64 #else
     65 #error i860 GAS currently supports only the ELF object format
     66 #endif
     67 
     68 #define WORKING_DOT_WORD
     69 #define DIFF_EXPR_OK
     70 
     71 /* Permit temporary numeric labels.  */
     72 #define LOCAL_LABELS_FB		1
     73 #define LISTING_HEADER		"GAS for i860"
     74 
     75 #define md_convert_frag(b,s,f)  abort ()
     76 
     77 /* Values passed to md_apply_fix don't include the symbol value.  */
     78 #define MD_APPLY_SYM_VALUE(FIX) 0
     79 
     80 /* No shared lib support, so we don't need to ensure externally
     81    visible symbols can be overridden.  */
     82 #define EXTERN_FORCE_RELOC 0
     83 
     84 /* Bits for post-processing of a user defined label to check if
     85    it has a double colon (Intel syntax only).  */
     86 extern void i860_check_label (symbolS *labelsym);
     87 #define tc_check_label(ls)	i860_check_label (ls)
     88 
     89 /* Bits for filling in rs_align_code fragments with NOPs.  */
     90 extern void i860_handle_align (struct frag *);
     91 #define HANDLE_ALIGN(fragp) i860_handle_align (fragp)
     92 
     93 #define MAX_MEM_FOR_RS_ALIGN_CODE  (3 + 4 + 4)
     94 
     95 #endif /* TC_I860 */
     96