gas/config/tc-m32r.h

   1 /* tc-m32r.h -- Header file for tc-m32r.c.
   2    Copyright (C) 1996-2020 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(STR, NUL_CHAR, NEXT_CHAR)        \
 104   (NEXT_CHAR == ':' && m32r_fill_insn (0))
 105
 106 #define md_cleanup()               m32r_fill_insn (1)
 107 #define md_elf_section_change_hook m32r_elf_section_change_hook
 108 extern void m32r_elf_section_change_hook (void);
 109
 110 #define md_flush_pending_output()       m32r_flush_pending_output ()
 111 extern void m32r_flush_pending_output (void);
 112
 113 #define elf_tc_final_processing         m32r_elf_final_processing
 114 extern void m32r_elf_final_processing (void);
 115
 116 #define md_parse_name(name, exprP, mode, nextcharP) \
 117   m32r_parse_name ((name), (exprP), (mode), (nextcharP))
 118 extern int m32r_parse_name (char const *, expressionS *, enum expr_mode, char *);
 119
 120 /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
 121    symbols.  The relocation type is stored in X_md.  */
 122 #define O_PIC_reloc O_md1
 123
 124 #define TC_CGEN_PARSE_FIX_EXP(opinfo, exp) \
 125   m32r_cgen_parse_fix_exp(opinfo, exp)
 126 extern int m32r_cgen_parse_fix_exp (int, expressionS *);