1 /* This file is tc-sh.h
2 Copyright (C) 1993, 94, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
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)
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.
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. */
23 #define TARGET_BYTES_BIG_ENDIAN 0
25 #define TARGET_ARCH bfd_arch_sh
28 struct segment_info_struct;
29 struct internal_reloc;
32 /* Whether in little endian mode. */
35 /* Whether -relax was used. */
38 /* Whether -small was used. */
41 /* Don't try to break words. */
42 #define WORKING_DOT_WORD
44 /* All SH instructions are multiples of 16 bits. */
45 #define DWARF2_LINE_MIN_INSN_LENGTH 2
47 /* We require .long, et. al., to be aligned correctly. */
48 #define md_cons_align(nbytes) sh_cons_align (nbytes)
49 extern void sh_cons_align PARAMS ((int));
51 /* When relaxing, we need to generate relocations for alignment
53 #define HANDLE_ALIGN(frag) sh_handle_align (frag)
54 extern void sh_handle_align PARAMS ((fragS *));
56 /* We need to force out some relocations when relaxing. */
57 #define TC_FORCE_RELOCATION(fix) sh_force_relocation (fix)
58 extern int sh_force_relocation ();
61 #define obj_fix_adjustable(fixP) sh_fix_adjustable(fixP)
63 extern boolean sh_fix_adjustable PARAMS ((struct fix *));
66 #define IGNORE_NONSTANDARD_ESCAPES
68 #define LISTING_HEADER (shl ? "Hitachi Super-H GAS Little Endian" : "Hitachi Super-H GAS Big Endian")
72 extern const struct relax_type md_relax_table[];
73 #define TC_GENERIC_RELAX_TABLE md_relax_table
75 /* We use a special alignment function to insert the correct nop
77 extern int sh_do_align PARAMS ((int, const char *, int, int));
78 #define md_do_align(n,fill,len,max,l) if (sh_do_align (n,fill,len,max)) goto l
80 /* We record, for each section, whether we have most recently output a
81 CODE reloc or a DATA reloc. */
82 struct sh_segment_info_type
86 #define TC_SEGMENT_INFO_TYPE struct sh_segment_info_type
88 /* We call a routine to emit a reloc for a label, so that the linker
89 can align loads and stores without crossing a label. */
90 extern void sh_frob_label PARAMS ((void));
91 #define tc_frob_label(sym) sh_frob_label ()
93 /* We call a routine to flush pending output in order to output a DATA
94 reloc when required. */
95 extern void sh_flush_pending_output PARAMS ((void));
96 #define md_flush_pending_output() sh_flush_pending_output ()
99 #define tc_frob_file_before_adjust sh_frob_file
101 #define tc_frob_file sh_frob_file
103 extern void sh_frob_file PARAMS ((void));
106 /* COFF specific definitions. */
108 #define DO_NOT_STRIP 0
110 /* This macro translates between an internal fix and an coff reloc type */
111 #define TC_COFF_FIX2RTYPE(fix) ((fix)->fx_r_type)
113 #define BFD_ARCH TARGET_ARCH
115 #define COFF_MAGIC (shl ? SH_ARCH_MAGIC_LITTLE : SH_ARCH_MAGIC_BIG)
117 /* We need to write out relocs which have not been completed. */
118 #define TC_COUNT_RELOC(fix) ((fix)->fx_addsy != NULL)
120 #define TC_RELOC_MANGLE(seg, fix, int, paddr) \
121 sh_coff_reloc_mangle ((seg), (fix), (int), (paddr))
122 extern void sh_coff_reloc_mangle
123 PARAMS ((struct segment_info_struct *, struct fix *,
124 struct internal_reloc *, unsigned int));
126 #define tc_coff_symbol_emit_hook(a) ; /* not used */
128 #define NEED_FX_R_TYPE 1
130 #define TC_KEEP_FX_OFFSET 1
132 #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
133 extern int tc_coff_sizemachdep PARAMS ((fragS *));
136 #define SEG_NAME(SEG) segment_name (SEG)
138 #define SEG_NAME(SEG) obj_segment_name (SEG)
141 /* We align most sections to a 16 byte boundary. */
142 #define SUB_SEGMENT_ALIGN(SEG) \
143 (strncmp (SEG_NAME (SEG), ".stabstr", 8) == 0 \
145 : ((strncmp (SEG_NAME (SEG), ".stab", 5) == 0 \
146 || strcmp (SEG_NAME (SEG), ".ctors") == 0 \
147 || strcmp (SEG_NAME (SEG), ".dtors") == 0) \
149 : (sh_small ? 2 : 4)))
151 #endif /* OBJ_COFF */
154 /* ELF specific definitions. */
156 /* Whether or not the target is big endian */
157 extern int target_big_endian;
159 #define TARGET_FORMAT (shl ? "elf32-shl" : "elf32-sh")
161 #define elf_tc_final_processing sh_elf_final_processing
162 extern void sh_elf_final_processing PARAMS ((void));
166 #define md_end() sh_finalize ()
167 void sh_finalize PARAMS ((void));