gas/config/tc-m32r.h

   1 /* tc-m32r.h -- Header file for tc-m32r.c.
   2    Copyright (C) 1996, 1997, 1998, 2000 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 2, 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, 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #define TC_M32R
  22
  23 #ifndef BFD_ASSEMBLER
  24 /* leading space so will compile with cc */
  25  #error M32R support requires BFD_ASSEMBLER
  26 #endif
  27
  28 #define LISTING_HEADER "M32R GAS "
  29
  30 /* The target BFD architecture.  */
  31 #define TARGET_ARCH bfd_arch_m32r
  32
  33 #define TARGET_FORMAT "elf32-m32r"
  34
  35 #define TARGET_BYTES_BIG_ENDIAN 1
  36
  37 /* call md_pcrel_from_section, not md_pcrel_from */
  38 long md_pcrel_from_section PARAMS ((struct fix *, segT));
  39 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
  40
  41 /* Permit temporary numeric labels.  */
  42 #define LOCAL_LABELS_FB 1
  43
  44 #define DIFF_EXPR_OK            /* .-foo gets turned into PC relative relocs */
  45
  46 /* We don't need to handle .word strangely.  */
  47 #define WORKING_DOT_WORD
  48
  49 /* For 8 vs 16 vs 32 bit branch selection.  */
  50 extern const struct relax_type md_relax_table[];
  51 #define TC_GENERIC_RELAX_TABLE md_relax_table
  52 #if 0
  53 extern void m32r_prepare_relax_scan ();
  54 #define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
  55 m32r_prepare_relax_scan (fragP, address, aim, this_state, this_type)
  56 #else
  57 extern long m32r_relax_frag PARAMS ((segT, fragS *, long));
  58 #define md_relax_frag(segment, fragP, stretch) \
  59 m32r_relax_frag (segment, fragP, stretch)
  60 #endif
  61 /* Account for nop if 32 bit insn falls on odd halfword boundary.  */
  62 #define TC_CGEN_MAX_RELAX(insn, len) (6)
  63
  64 /* Fill in rs_align_code fragments.  */
  65 extern void m32r_handle_align PARAMS ((fragS *));
  66 #define HANDLE_ALIGN(f)  m32r_handle_align (f)
  67
  68 #define MAX_MEM_FOR_RS_ALIGN_CODE  (1 + 2 + 4)
  69
  70 #define MD_APPLY_FIX3
  71 #define md_apply_fix3 gas_cgen_md_apply_fix3
  72
  73 #define obj_fix_adjustable(fixP) m32r_fix_adjustable(fixP)
  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 #define tc_gen_reloc gas_cgen_tc_gen_reloc
  82
  83 #define tc_frob_file() m32r_frob_file ()
  84 extern void m32r_frob_file PARAMS ((void));
  85
  86 /* When relaxing, we need to emit various relocs we otherwise wouldn't.  */
  87 #define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix)
  88 extern int m32r_force_relocation ();
  89
  90 /* Ensure insns at labels are aligned to 32 bit boundaries.  */
  91 int m32r_fill_insn PARAMS ((int));
  92 #define md_after_pass_hook()    m32r_fill_insn (1)
  93 #define TC_START_LABEL(ch, ptr) (ch == ':' && m32r_fill_insn (0))
  94
  95 /* Add extra M32R sections.  */
  96 #define ELF_TC_SPECIAL_SECTIONS \
  97   { ".sdata",           SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE }, \
  98   { ".sbss",            SHT_NOBITS,     SHF_ALLOC + SHF_WRITE },
  99
 100 #define md_cleanup                 m32r_elf_section_change_hook
 101 #define md_elf_section_change_hook m32r_elf_section_change_hook
 102 extern void m32r_elf_section_change_hook ();