1 /* This file is tc-h8300.h
2    Copyright 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
3    1997, 1998, 2000, 2001, 2002, 2003, 2005, 2007, 2008
4    Free Software Foundation, Inc.
5 
6    This file is part of GAS, the GNU Assembler.
7 
8    GAS is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 3, or (at your option)
11    any later version.
12 
13    GAS is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with GAS; see the file COPYING.  If not, write to the Free
20    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21    02110-1301, USA.  */
22 
23 #define TC_H8300
24 
25 #define TARGET_BYTES_BIG_ENDIAN 1
26 
27 #define TARGET_ARCH bfd_arch_h8300
28 
29 /* Fixup debug sections since we will never relax them.  */
30 #define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC)
31 #ifdef OBJ_ELF
32 #define TARGET_FORMAT "elf32-h8300"
33 #define LOCAL_LABEL_PREFIX '.'
34 #define LOCAL_LABEL(NAME) (NAME[0] == '.' && NAME[1] == 'L')
35 #define FAKE_LABEL_NAME ".L0\001"
36 #endif
37 
38 struct fix;
39 struct internal_reloc;
40 
41 #define WORKING_DOT_WORD
42 
43 #define COFF_MAGIC ( Smode && Nmode ? 0x8304 : Hmode && Nmode ? 0x8303 : Smode ? 0x8302 : Hmode ? 0x8301 : 0x8300)
44 #define IGNORE_NONSTANDARD_ESCAPES
45 
46 #define tc_coff_symbol_emit_hook(a) ; /* not used */
47 
48 /* No shared lib support, so we don't need to ensure externally
49    visible symbols can be overridden.  */
50 #define EXTERN_FORCE_RELOC 0
51 
52 /* Minimum instruction is of 16 bits.  */
53 #define DWARF2_LINE_MIN_INSN_LENGTH 2
54 #define DWARF2_USE_FIXED_ADVANCE_PC 0
55 
56 #ifdef OBJ_ELF
57 /* Provide mappings from the original H8 COFF relocation names to
58    their corresponding BFD relocation names.  This allows us to use
59    most of tc-h8300.c without modifications for both ELF and COFF
60    ports.  */
61 #define R_MOV24B1 BFD_RELOC_H8_DIR24A8
62 #define R_MOVL1 BFD_RELOC_H8_DIR32A16
63 #define R_MOV24B1 BFD_RELOC_H8_DIR24A8
64 #define R_MOVL1 BFD_RELOC_H8_DIR32A16
65 #define R_RELLONG BFD_RELOC_32
66 #define R_MOV16B1 BFD_RELOC_H8_DIR16A8
67 #define R_RELWORD BFD_RELOC_16
68 #define R_RELBYTE BFD_RELOC_8
69 #define R_PCRWORD BFD_RELOC_16_PCREL
70 #define R_PCRBYTE BFD_RELOC_8_PCREL
71 #define R_JMPL1 BFD_RELOC_H8_DIR24R8
72 #define R_MEM_INDIRECT BFD_RELOC_8
73 
74 /* We do not want to adjust any relocations to make implementation of
75    linker relaxations easier.  */
76 #define tc_fix_adjustable(FIX) 0
77 #endif
78 
79 #define LISTING_HEADER "Renesas H8/300 GAS "
80 #ifndef OBJ_ELF
81 #define RELOC_32 1234
82 #endif
83 
84 extern int Hmode;
85 extern int Smode;
86 extern int Nmode;
87 extern int SXmode;
88 
89 #define md_operand(x)
90 
91 /* This target is buggy, and sets fix size too large.  */
92 #define TC_FX_SIZE_SLACK(FIX) 1
93 
94 #define H_TICK_HEX 1
95