1 /* tc-rx.h - header file for Renesas RX
2    Copyright (C) 2008-2016 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_RX
22 
23 extern int target_big_endian;
24 
25 #define LISTING_HEADER (target_big_endian ? "RX GAS BE" : "RX GAS LE")
26 #define LISTING_LHS_WIDTH 8
27 #define LISTING_WORD_SIZE 1
28 
29 #define TARGET_ARCH bfd_arch_rx
30 
31 /* Instruction bytes are big endian, data bytes can be either.  */
32 #define TARGET_BYTES_BIG_ENDIAN 0
33 
34 #define TARGET_FORMAT (target_big_endian ? "elf32-rx-be" : "elf32-rx-le")
35 
36 /* We don't need to handle .word strangely.  */
37 #define WORKING_DOT_WORD
38 
39 /* Permit temporary numeric labels.  */
40 #define LOCAL_LABELS_FB 1
41 /* But make sure that the binutils treat them as locals.  */
42 #define LOCAL_LABEL_PREFIX '.'
43 
44 /* Allow classic-style constants.  */
45 #define NUMBERS_WITH_SUFFIX 1
46 
47 /* .-foo gets turned into PC relative relocs.  */
48 #define DIFF_EXPR_OK
49 
50 #define md_end rx_md_end
51 extern void rx_md_end (void);
52 
53 #define md_relax_frag rx_relax_frag
54 extern int rx_relax_frag (segT, fragS *, long);
55 
56 #define TC_FRAG_TYPE struct rx_bytesT *
57 #define TC_FRAG_INIT rx_frag_init
58 extern void rx_frag_init (fragS *);
59 
60 /* Call md_pcrel_from_section(), not md_pcrel_from().  */
61 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
62 extern long md_pcrel_from_section (struct fix *, segT);
63 
64 /* RX doesn't have a 32 bit PCREL relocations.  */
65 #define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1
66 
67 #define TC_VALIDATE_FIX_SUB(FIX, SEG)		\
68   rx_validate_fix_sub (FIX)
69 extern int rx_validate_fix_sub (struct fix *);
70 
71 #define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP, RELOC)	\
72   rx_cons_fix_new (FRAG, WHERE, NBYTES, EXP, RELOC)
73 extern void rx_cons_fix_new (fragS *, int, int, expressionS *,
74 			     bfd_reloc_code_real_type);
75 
76 #define tc_fix_adjustable(x) 0
77 
78 #define md_do_align(n, fill, len, max, around)				\
79   if ((n)								\
80       && !need_pass_2							\
81       && (!(fill)							\
82 	  || ((char)*(fill) == (char)0x03 && (len) == 1))		\
83       && subseg_text_p (now_seg))					\
84     {									\
85       frag_align_code ((n), (max));					\
86       goto around;							\
87     }
88 
89 #define MAX_MEM_FOR_RS_ALIGN_CODE 8
90 #define HANDLE_ALIGN(FRAG) rx_handle_align (FRAG)
91 extern void rx_handle_align (fragS *);
92 
93 #define RELOC_EXPANSION_POSSIBLE 1
94 #define MAX_RELOC_EXPANSION      4
95 
96 #define elf_tc_final_processing	rx_elf_final_processing
97 extern void rx_elf_final_processing (void);
98 
99 extern bfd_boolean rx_use_conventional_section_names;
100 #define TEXT_SECTION_NAME	(rx_use_conventional_section_names ? ".text" : "P")
101 #define DATA_SECTION_NAME	(rx_use_conventional_section_names ? ".data" : "D_1")
102 #define BSS_SECTION_NAME	(rx_use_conventional_section_names ? ".bss"  : "B_1")
103 
104 #define md_start_line_hook rx_start_line
105 extern void rx_start_line (void);
106