1 /* tc-mips.h -- header file for tc-mips.c.
2 Copyright (C) 1993, 94, 95, 96, 97, 1999, 2000
3 Free Software Foundation, Inc.
4 Contributed by the OSF and Ralph Campbell.
5 Written by Keith Knowles and Ralph Campbell, working independently.
6 Modified for ECOFF support by Ian Lance Taylor of Cygnus Support.
8 This file is part of GAS.
10 GAS is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2, or (at your option)
15 GAS is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with GAS; see the file COPYING. If not, write to the Free
22 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
29 #ifdef ANSI_PROTOTYPES
34 /* Default to big endian. */
35 #ifndef TARGET_BYTES_BIG_ENDIAN
36 #define TARGET_BYTES_BIG_ENDIAN 1
39 #define TARGET_ARCH bfd_arch_mips
41 #define WORKING_DOT_WORD 1
42 #define OLD_FLOAT_READS
43 #define REPEAT_CONS_EXPRESSIONS
44 #define RELOC_EXPANSION_POSSIBLE
45 #define MAX_RELOC_EXPANSION 3
46 #define LOCAL_LABELS_FB 1
48 /* Maximum symbol offset that can be encoded in a BFD_RELOC_MIPS_GPREL
50 #define MAX_GPREL_OFFSET (0x7FF4)
52 #define md_relax_frag(segment, fragp, stretch) mips_relax_frag(fragp, stretch)
53 extern int mips_relax_frag PARAMS ((struct frag *, long));
55 #define md_undefined_symbol(name) (0)
58 extern void mips_handle_align PARAMS ((struct frag *));
59 #define HANDLE_ALIGN(fragp) mips_handle_align (fragp)
61 #define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
63 /* We permit PC relative difference expressions when generating
67 /* Tell assembler that we have an itbl_mips.h header file to include. */
70 /* The endianness of the target format may change based on command
72 #define TARGET_FORMAT mips_target_format()
73 extern const char *mips_target_format PARAMS ((void));
77 unsigned long insn_opcode;
78 const struct mips_opcode *insn_mo;
79 /* The next two fields are used when generating mips16 code. */
81 unsigned short extend;
84 extern int tc_get_register PARAMS ((int frame));
86 #define tc_init_after_args() mips_init_after_args()
87 extern void mips_init_after_args PARAMS ((void));
89 #define md_parse_long_option(arg) mips_parse_long_option (arg)
90 extern int mips_parse_long_option PARAMS ((const char *));
92 #define tc_frob_label(sym) mips_define_label (sym)
93 extern void mips_define_label PARAMS ((symbolS *));
95 #define tc_frob_file_before_adjust() mips_frob_file_before_adjust ()
96 extern void mips_frob_file_before_adjust PARAMS ((void));
98 #define tc_frob_file() mips_frob_file ()
99 extern void mips_frob_file PARAMS ((void));
101 #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
102 #define tc_frob_file_after_relocs mips_frob_file_after_relocs
103 extern void mips_frob_file_after_relocs PARAMS ((void));
106 #define TC_CONS_FIX_NEW cons_fix_new_mips
107 extern void cons_fix_new_mips
108 PARAMS ((struct frag *, int, unsigned int, struct expressionS *));
110 #define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp)
111 extern int mips_fix_adjustable PARAMS ((struct fix *));
113 /* When generating embedded PIC code we must keep PC relative
115 #define TC_FORCE_RELOCATION(fixp) mips_force_relocation (fixp)
116 extern int mips_force_relocation PARAMS ((struct fix *));
118 /* md_apply_fix sets fx_done correctly. */
119 #define TC_HANDLE_FX_DONE 1
121 /* Register mask variables. These are set by the MIPS assembly code
122 and used by ECOFF and possibly other object file formats. */
123 extern unsigned long mips_gprmask;
124 extern unsigned long mips_cprmask[4];
126 #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
128 #define elf_tc_final_processing mips_elf_final_processing
129 extern void mips_elf_final_processing PARAMS ((void));
131 #define ELF_TC_SPECIAL_SECTIONS \
132 { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
133 { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
134 { ".lit4", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
135 { ".lit8", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
136 { ".ucode", SHT_MIPS_UCODE, 0 }, \
137 { ".mdebug", SHT_MIPS_DEBUG, 0 },
138 /* Other special sections not generated by the assembler: .reginfo,
139 .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */
143 extern void md_mips_end PARAMS ((void));
144 #define md_end() md_mips_end()
146 #define USE_GLOBAL_POINTER_OPT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour \
147 || OUTPUT_FLAVOR == bfd_target_coff_flavour \
148 || OUTPUT_FLAVOR == bfd_target_elf_flavour)
150 extern void mips_pop_insert PARAMS ((void));
151 #define md_pop_insert() mips_pop_insert()
153 extern void mips_flush_pending_output PARAMS ((void));
154 #define md_flush_pending_output mips_flush_pending_output
156 extern void mips_enable_auto_align PARAMS ((void));
157 #define md_elf_section_change_hook() mips_enable_auto_align()