1  /* tc-m32r.h -- Header file for tc-m32r.c.
       2     Copyright (C) 1996-2023 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  #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC)
      41  
      42  /* Permit temporary numeric labels.  */
      43  #define LOCAL_LABELS_FB 1
      44  
      45  #define DIFF_EXPR_OK		/* .-foo gets turned into PC relative relocs.  */
      46  
      47  /* We don't need to handle .word strangely.  */
      48  #define WORKING_DOT_WORD
      49  
      50  /* For 8 vs 16 vs 32 bit branch selection.  */
      51  extern const struct relax_type md_relax_table[];
      52  #define TC_GENERIC_RELAX_TABLE md_relax_table
      53  
      54  extern long m32r_relax_frag (segT, fragS *, long);
      55  #define md_relax_frag(segment, fragP, stretch) \
      56    m32r_relax_frag (segment, fragP, stretch)
      57  
      58  /* Account for nop if 32 bit insn falls on odd halfword boundary.  */
      59  #define TC_CGEN_MAX_RELAX(insn, len)	6
      60  
      61  /* Fill in rs_align_code fragments.  */
      62  extern void m32r_handle_align (fragS *);
      63  #define HANDLE_ALIGN(f)  m32r_handle_align (f)
      64  
      65  #define MAX_MEM_FOR_RS_ALIGN_CODE  (1 + 2 + 4)
      66  
      67  /* Values passed to md_apply_fix don't include the symbol value.  */
      68  #define MD_APPLY_SYM_VALUE(FIX) 0
      69  
      70  #define md_apply_fix gas_cgen_md_apply_fix
      71  
      72  #define tc_fix_adjustable(FIX) m32r_fix_adjustable (FIX)
      73  extern bool m32r_fix_adjustable (struct fix *);
      74  
      75  /* After creating a fixup for an instruction operand, we need to check for
      76     HI16 relocs and queue them up for later sorting.  */
      77  #define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp
      78  
      79  #define TC_HANDLES_FX_DONE
      80  
      81  extern int pic_code;
      82  
      83  #define tc_frob_file_before_fix() m32r_frob_file ()
      84  extern void m32r_frob_file (void);
      85  
      86  /* No shared lib support, so we don't need to ensure externally
      87     visible symbols can be overridden.
      88  #define EXTERN_FORCE_RELOC 0 */
      89  
      90  /* When relaxing, we need to emit various relocs we otherwise wouldn't.  */
      91  #define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix)
      92  extern int m32r_force_relocation (struct fix *);
      93  
      94  /* Ensure insns at labels are aligned to 32 bit boundaries.  */
      95  int m32r_fill_insn (int);
      96  #define TC_START_LABEL(STR, NUL_CHAR, NEXT_CHAR)	\
      97    (NEXT_CHAR == ':' && m32r_fill_insn (0))
      98  
      99  #define md_cleanup()               m32r_fill_insn (1)
     100  #define md_elf_section_change_hook m32r_elf_section_change_hook
     101  extern void m32r_elf_section_change_hook (void);
     102  
     103  #define md_flush_pending_output()       m32r_flush_pending_output ()
     104  extern void m32r_flush_pending_output (void);
     105  
     106  #define elf_tc_final_processing 	m32r_elf_final_processing
     107  extern void m32r_elf_final_processing (void);
     108  
     109  #define md_parse_name(name, exprP, mode, nextcharP) \
     110    m32r_parse_name ((name), (exprP), (mode), (nextcharP))
     111  extern int m32r_parse_name (char const *, expressionS *, enum expr_mode, char *);
     112  
     113  /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
     114     symbols.  The relocation type is stored in X_md.  */
     115  #define O_PIC_reloc O_md1
     116  
     117  #define TC_CGEN_PARSE_FIX_EXP(opinfo, exp) \
     118    m32r_cgen_parse_fix_exp(opinfo, exp)
     119  extern int m32r_cgen_parse_fix_exp (int, expressionS *);