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      1 /* tc-m32r.h -- Header file for tc-m32r.c.
      2    Copyright (C) 1996-2014 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
     18    the Free Software Foundation, 51 Franklin Street - Fifth Floor,
     19    Boston, MA 02110-1301, USA.  */
     20 
     21 #define TC_M32R
     22 
     23 #define LISTING_HEADER \
     24   (target_big_endian ? "M32R GAS" : "M32R GAS Little Endian")
     25 
     26 /* The target BFD architecture.  */
     27 #define TARGET_ARCH bfd_arch_m32r
     28 
     29 /* The endianness of the target format may change based on command
     30    line arguments.  */
     31 #define TARGET_FORMAT m32r_target_format()
     32 extern const char *m32r_target_format (void);
     33 
     34 /* Default to big endian.  */
     35 #ifndef TARGET_BYTES_BIG_ENDIAN
     36 #define TARGET_BYTES_BIG_ENDIAN 1
     37 #endif
     38 
     39 /* Call md_pcrel_from_section, not md_pcrel_from.  */
     40 long md_pcrel_from_section (struct fix *, segT);
     41 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC)
     42 
     43 /* Permit temporary numeric labels.  */
     44 #define LOCAL_LABELS_FB 1
     45 
     46 #define DIFF_EXPR_OK		/* .-foo gets turned into PC relative relocs.  */
     47 
     48 /* We don't need to handle .word strangely.  */
     49 #define WORKING_DOT_WORD
     50 
     51 /* For 8 vs 16 vs 32 bit branch selection.  */
     52 extern const struct relax_type md_relax_table[];
     53 #define TC_GENERIC_RELAX_TABLE md_relax_table
     54 
     55 extern long m32r_relax_frag (segT, fragS *, long);
     56 #define md_relax_frag(segment, fragP, stretch) \
     57   m32r_relax_frag (segment, fragP, stretch)
     58 
     59 /* Account for nop if 32 bit insn falls on odd halfword boundary.  */
     60 #define TC_CGEN_MAX_RELAX(insn, len)	6
     61 
     62 /* Fill in rs_align_code fragments.  */
     63 extern void m32r_handle_align (fragS *);
     64 #define HANDLE_ALIGN(f)  m32r_handle_align (f)
     65 
     66 #define MAX_MEM_FOR_RS_ALIGN_CODE  (1 + 2 + 4)
     67 
     68 /* Values passed to md_apply_fix don't include the symbol value.  */
     69 #define MD_APPLY_SYM_VALUE(FIX) 0
     70 
     71 #define md_apply_fix gas_cgen_md_apply_fix
     72 
     73 #define tc_fix_adjustable(FIX) m32r_fix_adjustable (FIX)
     74 bfd_boolean m32r_fix_adjustable (struct fix *);
     75 
     76 /* After creating a fixup for an instruction operand, we need to check for
     77    HI16 relocs and queue them up for later sorting.  */
     78 #define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp
     79 
     80 #define TC_HANDLES_FX_DONE
     81 
     82 extern int pic_code;
     83 
     84 extern bfd_boolean m32r_fix_adjustable (struct fix *);
     85 
     86 /* This arranges for gas/write.c to not apply a relocation if
     87    obj_fix_adjustable() says it is not adjustable.  */
     88 #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP)
     89 
     90 #define tc_frob_file_before_fix() m32r_frob_file ()
     91 extern void m32r_frob_file (void);
     92 
     93 /* No shared lib support, so we don't need to ensure externally
     94    visible symbols can be overridden.
     95 #define EXTERN_FORCE_RELOC 0 */
     96 
     97 /* When relaxing, we need to emit various relocs we otherwise wouldn't.  */
     98 #define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix)
     99 extern int m32r_force_relocation (struct fix *);
    100 
    101 /* Ensure insns at labels are aligned to 32 bit boundaries.  */
    102 int m32r_fill_insn (int);
    103 #define TC_START_LABEL(ch, s, ptr)	(ch == ':' && m32r_fill_insn (0))
    104 
    105 #define md_cleanup()               m32r_fill_insn (1)
    106 #define md_elf_section_change_hook m32r_elf_section_change_hook
    107 extern void m32r_elf_section_change_hook (void);
    108 
    109 #define md_flush_pending_output()       m32r_flush_pending_output ()
    110 extern void m32r_flush_pending_output (void);
    111 
    112 #define elf_tc_final_processing 	m32r_elf_final_processing
    113 extern void m32r_elf_final_processing (void);
    114 
    115 #define md_parse_name(name, exprP, mode, nextcharP) \
    116   m32r_parse_name ((name), (exprP), (mode), (nextcharP))
    117 extern int m32r_parse_name (char const *, expressionS *, enum expr_mode, char *);
    118 
    119 /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
    120    symbols.  The relocation type is stored in X_md.  */
    121 #define O_PIC_reloc O_md1
    122 
    123 #define TC_CGEN_PARSE_FIX_EXP(opinfo, exp) \
    124   m32r_cgen_parse_fix_exp(opinfo, exp)
    125 extern int m32r_cgen_parse_fix_exp (int, expressionS *);
    126