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      1 /* This file is tc-h8300.h
      2    Copyright (C) 1987-2014 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_H8300
     22 
     23 #define TARGET_BYTES_BIG_ENDIAN 1
     24 
     25 #define TARGET_ARCH bfd_arch_h8300
     26 
     27 /* Fixup debug sections since we will never relax them.  */
     28 #define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC)
     29 #ifdef OBJ_ELF
     30 #define TARGET_FORMAT "elf32-h8300"
     31 #define LOCAL_LABEL_PREFIX '.'
     32 #define LOCAL_LABEL(NAME) (NAME[0] == '.' && NAME[1] == 'L')
     33 #define FAKE_LABEL_NAME ".L0\001"
     34 #endif
     35 
     36 struct fix;
     37 struct internal_reloc;
     38 
     39 #define WORKING_DOT_WORD
     40 
     41 #define COFF_MAGIC ( Smode && Nmode ? 0x8304 : Hmode && Nmode ? 0x8303 : Smode ? 0x8302 : Hmode ? 0x8301 : 0x8300)
     42 #define IGNORE_NONSTANDARD_ESCAPES
     43 
     44 #define tc_coff_symbol_emit_hook(a) ; /* not used */
     45 
     46 /* No shared lib support, so we don't need to ensure externally
     47    visible symbols can be overridden.  */
     48 #define EXTERN_FORCE_RELOC 0
     49 
     50 /* Minimum instruction is of 16 bits.  */
     51 #define DWARF2_LINE_MIN_INSN_LENGTH 2
     52 #define DWARF2_USE_FIXED_ADVANCE_PC 0
     53 
     54 #ifdef OBJ_ELF
     55 /* Provide mappings from the original H8 COFF relocation names to
     56    their corresponding BFD relocation names.  This allows us to use
     57    most of tc-h8300.c without modifications for both ELF and COFF
     58    ports.  */
     59 #define R_MOV24B1 BFD_RELOC_H8_DIR24A8
     60 #define R_MOVL1 BFD_RELOC_H8_DIR32A16
     61 #define R_RELLONG BFD_RELOC_32
     62 #define R_MOV16B1 BFD_RELOC_H8_DIR16A8
     63 #define R_RELWORD BFD_RELOC_16
     64 #define R_RELBYTE BFD_RELOC_8
     65 #define R_PCRWORD BFD_RELOC_16_PCREL
     66 #define R_PCRBYTE BFD_RELOC_8_PCREL
     67 #define R_JMPL1 BFD_RELOC_H8_DIR24R8
     68 #define R_MEM_INDIRECT BFD_RELOC_8
     69 
     70 /* We do not want to adjust any relocations to make implementation of
     71    linker relaxations easier.  */
     72 #define tc_fix_adjustable(FIX) 0
     73 #endif
     74 
     75 #define LISTING_HEADER "Renesas H8/300 GAS "
     76 #ifndef OBJ_ELF
     77 #define RELOC_32 1234
     78 #endif
     79 
     80 extern int Hmode;
     81 extern int Smode;
     82 extern int Nmode;
     83 extern int SXmode;
     84 
     85 #define md_operand(x)
     86 
     87 /* This target is buggy, and sets fix size too large.  */
     88 #define TC_FX_SIZE_SLACK(FIX) 1
     89 
     90 #define H_TICK_HEX 1
     91