1 /* This file is tc-h8300.h
2    Copyright (C) 1987-2016 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 #ifndef TE_LINUX
31 #define TARGET_FORMAT "elf32-h8300"
32 #else
33 #define TARGET_FORMAT "elf32-h8300-linux"
34 #endif
35 #define LOCAL_LABEL_PREFIX '.'
36 #define LOCAL_LABEL(NAME) (NAME[0] == '.' && NAME[1] == 'L')
37 #define FAKE_LABEL_NAME ".L0\001"
38 #endif
39 
40 struct fix;
41 struct internal_reloc;
42 
43 #define WORKING_DOT_WORD
44 
45 #define COFF_MAGIC ( Smode && Nmode ? 0x8304 : Hmode && Nmode ? 0x8303 : Smode ? 0x8302 : Hmode ? 0x8301 : 0x8300)
46 #define IGNORE_NONSTANDARD_ESCAPES
47 
48 #define tc_coff_symbol_emit_hook(a) ; /* not used */
49 
50 /* No shared lib support, so we don't need to ensure externally
51    visible symbols can be overridden.  */
52 #define EXTERN_FORCE_RELOC 0
53 
54 /* Minimum instruction is of 16 bits.  */
55 #define DWARF2_LINE_MIN_INSN_LENGTH 2
56 #define DWARF2_USE_FIXED_ADVANCE_PC 0
57 
58 #ifdef OBJ_ELF
59 /* Provide mappings from the original H8 COFF relocation names to
60    their corresponding BFD relocation names.  This allows us to use
61    most of tc-h8300.c without modifications for both ELF and COFF
62    ports.  */
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