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252b5132 | 1 | /* This file is tc-sh.h |
49309057 | 2 | Copyright (C) 1993, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc. |
252b5132 RH |
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_SH | |
22 | ||
23 | #define TARGET_BYTES_BIG_ENDIAN 0 | |
24 | ||
25 | #define TARGET_ARCH bfd_arch_sh | |
26 | ||
27 | #if ANSI_PROTOTYPES | |
28 | struct segment_info_struct; | |
29 | struct internal_reloc; | |
30 | #endif | |
31 | ||
32 | /* Whether in little endian mode. */ | |
33 | extern int shl; | |
34 | ||
35 | /* Whether -relax was used. */ | |
36 | extern int sh_relax; | |
37 | ||
38 | /* Whether -small was used. */ | |
39 | extern int sh_small; | |
40 | ||
41 | /* Don't try to break words. */ | |
42 | #define WORKING_DOT_WORD | |
43 | ||
44 | /* We require .long, et. al., to be aligned correctly. */ | |
45 | #define md_cons_align(nbytes) sh_cons_align (nbytes) | |
46 | extern void sh_cons_align PARAMS ((int)); | |
47 | ||
48 | /* When relaxing, we need to generate relocations for alignment | |
49 | directives. */ | |
50 | #define HANDLE_ALIGN(frag) sh_handle_align (frag) | |
51 | extern void sh_handle_align PARAMS ((fragS *)); | |
52 | ||
53 | /* We need to force out some relocations when relaxing. */ | |
54 | #define TC_FORCE_RELOCATION(fix) sh_force_relocation (fix) | |
55 | extern int sh_force_relocation (); | |
56 | ||
57 | #ifdef OBJ_ELF | |
58 | #define obj_fix_adjustable(fixP) sh_fix_adjustable(fixP) | |
49309057 ILT |
59 | struct fix; |
60 | extern boolean sh_fix_adjustable PARAMS ((struct fix *)); | |
252b5132 RH |
61 | #endif |
62 | ||
63 | #define IGNORE_NONSTANDARD_ESCAPES | |
64 | ||
65 | #define LISTING_HEADER (shl ? "Hitachi Super-H GAS Little Endian" : "Hitachi Super-H GAS Big Endian") | |
66 | ||
67 | #define md_operand(x) | |
68 | ||
69 | extern const struct relax_type md_relax_table[]; | |
70 | #define TC_GENERIC_RELAX_TABLE md_relax_table | |
71 | ||
72 | /* We use a special alignment function to insert the correct nop | |
73 | pattern. */ | |
74 | extern int sh_do_align PARAMS ((int, const char *, int, int)); | |
75 | #define md_do_align(n,fill,len,max,l) if (sh_do_align (n,fill,len,max)) goto l | |
76 | ||
77 | /* We record, for each section, whether we have most recently output a | |
78 | CODE reloc or a DATA reloc. */ | |
79 | struct sh_segment_info_type | |
80 | { | |
81 | int in_code : 1; | |
82 | }; | |
83 | #define TC_SEGMENT_INFO_TYPE struct sh_segment_info_type | |
84 | ||
85 | /* We call a routine to emit a reloc for a label, so that the linker | |
86 | can align loads and stores without crossing a label. */ | |
87 | extern void sh_frob_label PARAMS ((void)); | |
88 | #define tc_frob_label(sym) sh_frob_label () | |
89 | ||
90 | /* We call a routine to flush pending output in order to output a DATA | |
91 | reloc when required. */ | |
92 | extern void sh_flush_pending_output PARAMS ((void)); | |
93 | #define md_flush_pending_output() sh_flush_pending_output () | |
94 | ||
95 | #ifdef BFD_ASSEMBLER | |
96 | #define tc_frob_file_before_adjust sh_frob_file | |
97 | #else | |
98 | #define tc_frob_file sh_frob_file | |
99 | #endif | |
100 | extern void sh_frob_file PARAMS ((void)); | |
101 | ||
102 | #ifdef OBJ_COFF | |
103 | /* COFF specific definitions. */ | |
104 | ||
105 | #define DO_NOT_STRIP 0 | |
106 | ||
107 | /* This macro translates between an internal fix and an coff reloc type */ | |
108 | #define TC_COFF_FIX2RTYPE(fix) ((fix)->fx_r_type) | |
109 | ||
110 | #define BFD_ARCH TARGET_ARCH | |
111 | ||
112 | #define COFF_MAGIC (shl ? SH_ARCH_MAGIC_LITTLE : SH_ARCH_MAGIC_BIG) | |
113 | ||
114 | /* We need to write out relocs which have not been completed. */ | |
115 | #define TC_COUNT_RELOC(fix) ((fix)->fx_addsy != NULL) | |
116 | ||
117 | #define TC_RELOC_MANGLE(seg, fix, int, paddr) \ | |
118 | sh_coff_reloc_mangle ((seg), (fix), (int), (paddr)) | |
119 | extern void sh_coff_reloc_mangle | |
120 | PARAMS ((struct segment_info_struct *, struct fix *, | |
121 | struct internal_reloc *, unsigned int)); | |
122 | ||
123 | #define tc_coff_symbol_emit_hook(a) ; /* not used */ | |
124 | ||
125 | #define NEED_FX_R_TYPE 1 | |
126 | ||
127 | #define TC_KEEP_FX_OFFSET 1 | |
128 | ||
129 | #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag) | |
130 | extern int tc_coff_sizemachdep PARAMS ((fragS *)); | |
131 | ||
132 | /* We align most sections to a 16 byte boundary. */ | |
133 | #define SUB_SEGMENT_ALIGN(SEG) \ | |
134 | (strncmp (obj_segment_name (SEG), ".stabstr", 8) == 0 \ | |
135 | ? 0 \ | |
136 | : ((strncmp (obj_segment_name (SEG), ".stab", 5) == 0 \ | |
137 | || strcmp (obj_segment_name (SEG), ".ctors") == 0 \ | |
138 | || strcmp (obj_segment_name (SEG), ".dtors") == 0) \ | |
139 | ? 2 \ | |
140 | : (sh_small ? 2 : 4))) | |
141 | ||
142 | #endif /* OBJ_COFF */ | |
143 | ||
144 | #ifdef OBJ_ELF | |
145 | /* ELF specific definitions. */ | |
146 | ||
147 | /* Whether or not the target is big endian */ | |
148 | extern int target_big_endian; | |
149 | ||
150 | #define TARGET_FORMAT (shl ? "elf32-shl" : "elf32-sh") | |
151 | ||
152 | #endif /* OBJ_ELF */ | |
153 | ||
154 | /* end of tc-sh.h */ |