1 /* tc-mips.h -- header file for tc-mips.c.
2 Copyright (C) 1993, 94, 95, 96, 97, 1999 Free Software Foundation, Inc.
3 Contributed by the OSF and Ralph Campbell.
4 Written by Keith Knowles and Ralph Campbell, working independently.
5 Modified for ECOFF support by Ian Lance Taylor of Cygnus Support.
7 This file is part of GAS.
9 GAS is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2, or (at your option)
14 GAS is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GAS; see the file COPYING. If not, write to the Free
21 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
28 #ifdef ANSI_PROTOTYPES
33 /* Default to big endian. */
34 #ifndef TARGET_BYTES_BIG_ENDIAN
35 #define TARGET_BYTES_BIG_ENDIAN 1
38 #define TARGET_ARCH bfd_arch_mips
40 #define ONLY_STANDARD_ESCAPES
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(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 int mips_do_align PARAMS ((int, const char *, int, int));
59 #define md_do_align(n,fill,len,max,l) if (mips_do_align (n,fill,len,max)) goto l
61 /* We permit PC relative difference expressions when generating
65 /* Tell assembler that we have an itbl_mips.h header file to include. */
68 /* The endianness of the target format may change based on command
70 #define TARGET_FORMAT mips_target_format()
71 extern const char *mips_target_format PARAMS ((void));
75 unsigned long insn_opcode;
76 const struct mips_opcode *insn_mo;
77 /* The next two fields are used when generating mips16 code. */
79 unsigned short extend;
82 extern int tc_get_register PARAMS ((int frame));
84 #define tc_init_after_args() mips_init_after_args()
85 extern void mips_init_after_args PARAMS ((void));
87 #define md_parse_long_option(arg) mips_parse_long_option (arg)
88 extern int mips_parse_long_option PARAMS ((const char *));
90 #define tc_frob_label(sym) mips_define_label (sym)
91 extern void mips_define_label PARAMS ((symbolS *));
93 #define tc_frob_file_before_adjust() mips_frob_file_before_adjust ()
94 extern void mips_frob_file_before_adjust PARAMS ((void));
96 #define tc_frob_file() mips_frob_file ()
97 extern void mips_frob_file PARAMS ((void));
99 #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
100 #define tc_frob_file_after_relocs mips_frob_file_after_relocs
101 extern void mips_frob_file_after_relocs PARAMS ((void));
104 #define TC_CONS_FIX_NEW cons_fix_new_mips
105 extern void cons_fix_new_mips
106 PARAMS ((struct frag *, int, unsigned int, struct expressionS *));
108 #define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp)
109 extern int mips_fix_adjustable PARAMS ((struct fix *));
111 /* When generating embedded PIC code we must keep PC relative
113 #define TC_FORCE_RELOCATION(fixp) mips_force_relocation (fixp)
114 extern int mips_force_relocation PARAMS ((struct fix *));
116 /* md_apply_fix sets fx_done correctly. */
117 #define TC_HANDLE_FX_DONE 1
119 /* Register mask variables. These are set by the MIPS assembly code
120 and used by ECOFF and possibly other object file formats. */
121 extern unsigned long mips_gprmask;
122 extern unsigned long mips_cprmask[4];
124 #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
126 #define elf_tc_final_processing mips_elf_final_processing
127 extern void mips_elf_final_processing PARAMS ((void));
129 #define ELF_TC_SPECIAL_SECTIONS \
130 { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
131 { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
132 { ".lit4", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
133 { ".lit8", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
134 { ".ucode", SHT_MIPS_UCODE, 0 }, \
135 { ".mdebug", SHT_MIPS_DEBUG, 0 },
136 /* Other special sections not generated by the assembler: .reginfo,
137 .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */
141 extern void md_mips_end PARAMS ((void));
142 #define md_end() md_mips_end()
144 #define USE_GLOBAL_POINTER_OPT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour \
145 || OUTPUT_FLAVOR == bfd_target_elf_flavour)
147 extern void mips_pop_insert PARAMS ((void));
148 #define md_pop_insert() mips_pop_insert()
150 extern void mips_flush_pending_output PARAMS ((void));
151 #define md_flush_pending_output mips_flush_pending_output
153 extern void mips_enable_auto_align PARAMS ((void));
154 #define md_elf_section_change_hook() mips_enable_auto_align()