1 /* tc-mips.h -- header file for tc-mips.c.
2 Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004
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, 51 Franklin Street - Fifth Floor, Boston, MA
31 /* Default to big endian. */
32 #ifndef TARGET_BYTES_BIG_ENDIAN
33 #define TARGET_BYTES_BIG_ENDIAN 1
36 #define TARGET_ARCH bfd_arch_mips
38 #define WORKING_DOT_WORD 1
39 #define OLD_FLOAT_READS
40 #define REPEAT_CONS_EXPRESSIONS
41 #define RELOC_EXPANSION_POSSIBLE
42 #define MAX_RELOC_EXPANSION 3
43 #define LOCAL_LABELS_FB 1
45 /* Maximum symbol offset that can be encoded in a BFD_RELOC_GPREL16
47 #define MAX_GPREL_OFFSET (0x7FF0)
49 #define md_relax_frag(segment, fragp, stretch) \
50 mips_relax_frag(segment, fragp, stretch)
51 extern int mips_relax_frag (asection *, struct frag *, long);
53 #define md_undefined_symbol(name) (0)
56 extern void mips_handle_align (struct frag *);
57 #define HANDLE_ALIGN(fragp) mips_handle_align (fragp)
59 #define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
61 /* Tell assembler that we have an itbl_mips.h header file to include. */
64 /* The endianness of the target format may change based on command
66 #define TARGET_FORMAT mips_target_format()
67 extern const char *mips_target_format (void);
73 /* Do not generate PIC code. */
76 /* Generate PIC code as in the SVR4 MIPS ABI. */
80 extern enum mips_pic_level mips_pic;
82 extern int tc_get_register (int frame);
84 #define md_after_parse_args() mips_after_parse_args()
85 extern void mips_after_parse_args (void);
87 #define tc_init_after_args() mips_init_after_args()
88 extern void mips_init_after_args (void);
90 #define md_parse_long_option(arg) mips_parse_long_option (arg)
91 extern int mips_parse_long_option (const char *);
93 #define tc_frob_label(sym) mips_define_label (sym)
94 extern void mips_define_label (symbolS *);
96 #define tc_frob_file_before_adjust() mips_frob_file_before_adjust ()
97 extern void mips_frob_file_before_adjust (void);
99 #define tc_frob_file_before_fix() mips_frob_file ()
100 extern void mips_frob_file (void);
102 #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
103 #define tc_frob_file_after_relocs mips_frob_file_after_relocs
104 extern void mips_frob_file_after_relocs (void);
107 #define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp)
108 extern int mips_fix_adjustable (struct fix *);
110 /* Values passed to md_apply_fix don't include symbol values. */
111 #define MD_APPLY_SYM_VALUE(FIX) 0
113 /* Global syms must not be resolved, to support ELF shared libraries. */
114 #define EXTERN_FORCE_RELOC \
115 (OUTPUT_FLAVOR == bfd_target_elf_flavour)
117 /* When generating NEWABI code, we may need to have to keep combined
118 relocations which don't have symbols. */
119 #define TC_FORCE_RELOCATION(FIX) mips_force_relocation (FIX)
120 extern int mips_force_relocation (struct fix *);
122 #define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \
123 (! SEG_NORMAL (SEG) || mips_force_relocation (FIX))
125 /* Register mask variables. These are set by the MIPS assembly code
126 and used by ECOFF and possibly other object file formats. */
127 extern unsigned long mips_gprmask;
128 extern unsigned long mips_cprmask[4];
130 #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
132 #define elf_tc_final_processing mips_elf_final_processing
133 extern void mips_elf_final_processing (void);
137 extern void md_mips_end (void);
138 #define md_end() md_mips_end()
140 extern void mips_pop_insert (void);
141 #define md_pop_insert() mips_pop_insert()
143 extern void mips_emit_delays (void);
144 #define md_flush_pending_output mips_emit_delays
146 extern void mips_enable_auto_align (void);
147 #define md_elf_section_change_hook() mips_enable_auto_align()
149 extern enum dwarf2_format mips_dwarf2_format (void);
150 #define DWARF2_FORMAT() mips_dwarf2_format ()
152 extern int mips_dwarf2_addr_size (void);
153 #define DWARF2_ADDR_SIZE(bfd) mips_dwarf2_addr_size ()
155 #define TARGET_USE_CFIPOP 1
157 #define tc_cfi_frame_initial_instructions mips_cfi_frame_initial_instructions
158 extern void mips_cfi_frame_initial_instructions (void);
160 #define DWARF2_DEFAULT_RETURN_COLUMN 31
161 #define DWARF2_CIE_DATA_ALIGNMENT -4