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      1 /* tc-rx.h - header file for Renesas RX
      2    Copyright (C) 2008-2014 Free Software Foundation, Inc.
      3 
      4    This file is part of GAS, the GNU Assembler.
      5 
      6    GAS is free software; you can redistribute it and/or modify
      7    it under the terms of the GNU General Public License as published by
      8    the Free Software Foundation; either version 3, or (at your option)
      9    any later version.
     10 
     11    GAS is distributed in the hope that it will be useful,
     12    but WITHOUT ANY WARRANTY; without even the implied warranty of
     13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14    GNU General Public License for more details.
     15 
     16    You should have received a copy of the GNU General Public License
     17    along with GAS; see the file COPYING.  If not, write to the Free
     18    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
     19    02110-1301, USA.  */
     20 
     21 #define TC_RX
     22 
     23 extern int target_big_endian;
     24 
     25 #define LISTING_HEADER (target_big_endian ? "RX GAS BE" : "RX GAS LE")
     26 #define LISTING_LHS_WIDTH 8
     27 #define LISTING_WORD_SIZE 1
     28 
     29 #define TARGET_ARCH bfd_arch_rx
     30 
     31 /* Instruction bytes are big endian, data bytes can be either.  */
     32 #define TARGET_BYTES_BIG_ENDIAN 0
     33 
     34 #define TARGET_FORMAT (target_big_endian ? "elf32-rx-be" : "elf32-rx-le")
     35 
     36 /* We don't need to handle .word strangely.  */
     37 #define WORKING_DOT_WORD
     38 
     39 /* Permit temporary numeric labels.  */
     40 #define LOCAL_LABELS_FB 1
     41 /* But make sure that the binutils treat them as locals.  */
     42 #define LOCAL_LABEL_PREFIX '.'
     43 
     44 /* Allow classic-style constants.  */
     45 #define NUMBERS_WITH_SUFFIX 1
     46 
     47 /* .-foo gets turned into PC relative relocs.  */
     48 #define DIFF_EXPR_OK
     49 
     50 #define md_end rx_md_end
     51 extern void rx_md_end (void);
     52 
     53 #define md_relax_frag rx_relax_frag
     54 extern int rx_relax_frag (segT, fragS *, long);
     55 
     56 #define TC_FRAG_TYPE struct rx_bytesT *
     57 #define TC_FRAG_INIT rx_frag_init
     58 extern void rx_frag_init (fragS *);
     59 
     60 /* Call md_pcrel_from_section(), not md_pcrel_from().  */
     61 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
     62 extern long md_pcrel_from_section (struct fix *, segT);
     63 
     64 /* RX doesn't have a 32 bit PCREL relocations.  */
     65 #define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1
     66 
     67 #define TC_VALIDATE_FIX_SUB(FIX, SEG)		\
     68   rx_validate_fix_sub (FIX)
     69 extern int rx_validate_fix_sub (struct fix *);
     70 
     71 #define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP, RELOC)	\
     72   rx_cons_fix_new (FRAG, WHERE, NBYTES, EXP, RELOC)
     73 extern void rx_cons_fix_new (fragS *, int, int, expressionS *,
     74 			     bfd_reloc_code_real_type);
     75 
     76 #define tc_fix_adjustable(x) 0
     77 
     78 #define md_do_align(n, fill, len, max, around)				\
     79   if ((n)								\
     80       && !need_pass_2							\
     81       && (!(fill)							\
     82 	  || ((char)*(fill) == (char)0x03 && (len) == 1))		\
     83       && subseg_text_p (now_seg))					\
     84     {									\
     85       frag_align_code ((n), (max));					\
     86       goto around;							\
     87     }
     88 
     89 #define MAX_MEM_FOR_RS_ALIGN_CODE 8
     90 #define HANDLE_ALIGN(FRAG) rx_handle_align (FRAG)
     91 extern void rx_handle_align (fragS *);
     92 
     93 #define RELOC_EXPANSION_POSSIBLE 1
     94 #define MAX_RELOC_EXPANSION      4
     95 
     96 #define elf_tc_final_processing	rx_elf_final_processing
     97 extern void rx_elf_final_processing (void);
     98 
     99 extern bfd_boolean rx_use_conventional_section_names;
    100 #define TEXT_SECTION_NAME	(rx_use_conventional_section_names ? ".text" : "P")
    101 #define DATA_SECTION_NAME	(rx_use_conventional_section_names ? ".data" : "D_1")
    102 #define BSS_SECTION_NAME	(rx_use_conventional_section_names ? ".bss"  : "B_1")
    103 
    104 #define md_start_line_hook rx_start_line
    105 extern void rx_start_line (void);
    106