Commit | Line | Data |
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252b5132 | 1 | /* tc-mips.h -- header file for tc-mips.c. |
8d79fd44 | 2 | Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004, |
c67a084a | 3 | 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
252b5132 RH |
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. | |
7 | ||
8 | This file is part of GAS. | |
9 | ||
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 | |
ec2655a6 | 12 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
13 | any later version. |
14 | ||
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. | |
19 | ||
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 | |
4b4da160 NC |
22 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
23 | 02110-1301, USA. */ | |
252b5132 RH |
24 | |
25 | #ifndef TC_MIPS | |
252b5132 RH |
26 | #define TC_MIPS |
27 | ||
252b5132 RH |
28 | struct frag; |
29 | struct expressionS; | |
252b5132 RH |
30 | |
31 | /* Default to big endian. */ | |
32 | #ifndef TARGET_BYTES_BIG_ENDIAN | |
33 | #define TARGET_BYTES_BIG_ENDIAN 1 | |
34 | #endif | |
35 | ||
36 | #define TARGET_ARCH bfd_arch_mips | |
37 | ||
252b5132 RH |
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 | |
44 | ||
3ae8dd8d MR |
45 | #define TC_ADDRESS_BYTES mips_address_bytes |
46 | extern int mips_address_bytes (void); | |
47 | ||
cdf6fd85 | 48 | /* Maximum symbol offset that can be encoded in a BFD_RELOC_GPREL16 |
c344a4c8 | 49 | relocation. */ |
e7d556df | 50 | #define MAX_GPREL_OFFSET (0x7FF0) |
252b5132 | 51 | |
4a6a3df4 AO |
52 | #define md_relax_frag(segment, fragp, stretch) \ |
53 | mips_relax_frag(segment, fragp, stretch) | |
17a2f251 | 54 | extern int mips_relax_frag (asection *, struct frag *, long); |
252b5132 RH |
55 | |
56 | #define md_undefined_symbol(name) (0) | |
57 | #define md_operand(x) | |
58 | ||
742a56fe RS |
59 | extern char mips_nop_opcode (void); |
60 | #define NOP_OPCODE (mips_nop_opcode ()) | |
61 | ||
17a2f251 | 62 | extern void mips_handle_align (struct frag *); |
0a9ef439 RH |
63 | #define HANDLE_ALIGN(fragp) mips_handle_align (fragp) |
64 | ||
c67a084a | 65 | #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4) |
a19d8eb0 | 66 | |
a8dbcb85 | 67 | struct insn_label_list; |
742a56fe RS |
68 | struct mips_segment_info { |
69 | struct insn_label_list *labels; | |
70 | unsigned int mips16 : 1; | |
df58fc94 | 71 | unsigned int micromips : 1; |
742a56fe RS |
72 | }; |
73 | #define TC_SEGMENT_INFO_TYPE struct mips_segment_info | |
a8dbcb85 | 74 | |
b314ec0e RS |
75 | /* This field is nonzero if the symbol is the target of a MIPS16 jump. */ |
76 | #define TC_SYMFIELD_TYPE int | |
77 | ||
82efde3a | 78 | /* Tell assembler that we have an itbl_mips.h header file to include. */ |
252b5132 RH |
79 | #define HAVE_ITBL_CPU |
80 | ||
81 | /* The endianness of the target format may change based on command | |
82 | line arguments. */ | |
83 | #define TARGET_FORMAT mips_target_format() | |
17a2f251 | 84 | extern const char *mips_target_format (void); |
252b5132 | 85 | |
a161fe53 AM |
86 | /* MIPS PIC level. */ |
87 | ||
88 | enum mips_pic_level | |
89 | { | |
90 | /* Do not generate PIC code. */ | |
91 | NO_PIC, | |
92 | ||
93 | /* Generate PIC code as in the SVR4 MIPS ABI. */ | |
94 | SVR4_PIC, | |
0a44bf69 RS |
95 | |
96 | /* VxWorks's PIC model. */ | |
97 | VXWORKS_PIC | |
a161fe53 AM |
98 | }; |
99 | ||
100 | extern enum mips_pic_level mips_pic; | |
101 | ||
17a2f251 | 102 | extern int tc_get_register (int frame); |
252b5132 | 103 | |
e9670677 | 104 | #define md_after_parse_args() mips_after_parse_args() |
17a2f251 | 105 | extern void mips_after_parse_args (void); |
e9670677 | 106 | |
252b5132 | 107 | #define tc_init_after_args() mips_init_after_args() |
17a2f251 | 108 | extern void mips_init_after_args (void); |
252b5132 RH |
109 | |
110 | #define md_parse_long_option(arg) mips_parse_long_option (arg) | |
17a2f251 | 111 | extern int mips_parse_long_option (const char *); |
252b5132 RH |
112 | |
113 | #define tc_frob_label(sym) mips_define_label (sym) | |
17a2f251 | 114 | extern void mips_define_label (symbolS *); |
252b5132 | 115 | |
e1b47bd5 RS |
116 | #define tc_new_dot_label(sym) mips_add_dot_label (sym) |
117 | extern void mips_add_dot_label (symbolS *); | |
a1facbec | 118 | |
252b5132 | 119 | #define tc_frob_file_before_adjust() mips_frob_file_before_adjust () |
17a2f251 | 120 | extern void mips_frob_file_before_adjust (void); |
252b5132 | 121 | |
a161fe53 | 122 | #define tc_frob_file_before_fix() mips_frob_file () |
17a2f251 | 123 | extern void mips_frob_file (void); |
252b5132 RH |
124 | |
125 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
126 | #define tc_frob_file_after_relocs mips_frob_file_after_relocs | |
17a2f251 | 127 | extern void mips_frob_file_after_relocs (void); |
252b5132 RH |
128 | #endif |
129 | ||
252b5132 | 130 | #define tc_fix_adjustable(fixp) mips_fix_adjustable (fixp) |
17a2f251 | 131 | extern int mips_fix_adjustable (struct fix *); |
252b5132 | 132 | |
55cf6793 | 133 | /* Values passed to md_apply_fix don't include symbol values. */ |
a7ebbfdf TS |
134 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
135 | ||
3e722fb5 | 136 | /* Global syms must not be resolved, to support ELF shared libraries. */ |
a161fe53 | 137 | #define EXTERN_FORCE_RELOC \ |
3e722fb5 | 138 | (OUTPUT_FLAVOR == bfd_target_elf_flavour) |
a161fe53 | 139 | |
97724570 | 140 | #define TC_FORCE_RELOCATION(FIX) mips_force_relocation (FIX) |
17a2f251 | 141 | extern int mips_force_relocation (struct fix *); |
252b5132 | 142 | |
a38b42ab TS |
143 | #define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \ |
144 | (! SEG_NORMAL (SEG) || mips_force_relocation (FIX)) | |
145 | ||
252b5132 RH |
146 | /* Register mask variables. These are set by the MIPS assembly code |
147 | and used by ECOFF and possibly other object file formats. */ | |
148 | extern unsigned long mips_gprmask; | |
149 | extern unsigned long mips_cprmask[4]; | |
150 | ||
151 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
152 | ||
153 | #define elf_tc_final_processing mips_elf_final_processing | |
17a2f251 | 154 | extern void mips_elf_final_processing (void); |
252b5132 | 155 | |
252b5132 RH |
156 | #endif |
157 | ||
17a2f251 | 158 | extern void md_mips_end (void); |
252b5132 RH |
159 | #define md_end() md_mips_end() |
160 | ||
17a2f251 | 161 | extern void mips_pop_insert (void); |
252b5132 RH |
162 | #define md_pop_insert() mips_pop_insert() |
163 | ||
7d10b47d RS |
164 | extern void mips_emit_delays (void); |
165 | #define md_flush_pending_output mips_emit_delays | |
252b5132 | 166 | |
17a2f251 | 167 | extern void mips_enable_auto_align (void); |
252b5132 RH |
168 | #define md_elf_section_change_hook() mips_enable_auto_align() |
169 | ||
1575952e | 170 | #ifdef TE_IRIX |
8d79fd44 | 171 | enum dwarf2_format; |
413a266c | 172 | extern enum dwarf2_format mips_dwarf2_format (asection *); |
1575952e TS |
173 | # define DWARF2_FORMAT(SEC) mips_dwarf2_format (SEC) |
174 | #else | |
175 | /* Use GAS' defaults. */ | |
176 | #endif | |
14e777e0 | 177 | |
558fe4a7 | 178 | extern int mips_dwarf2_addr_size (void); |
73369e65 | 179 | #define DWARF2_ADDR_SIZE(bfd) mips_dwarf2_addr_size () |
a79558d9 | 180 | #define DWARF2_FDE_RELOC_SIZE mips_dwarf2_addr_size () |
9605f328 | 181 | |
5862107c EC |
182 | #define TARGET_USE_CFIPOP 1 |
183 | ||
184 | #define tc_cfi_frame_initial_instructions mips_cfi_frame_initial_instructions | |
185 | extern void mips_cfi_frame_initial_instructions (void); | |
186 | ||
707bfff6 TS |
187 | #define tc_regname_to_dw2regnum tc_mips_regname_to_dw2regnum |
188 | extern int tc_mips_regname_to_dw2regnum (char *regname); | |
189 | ||
5862107c | 190 | #define DWARF2_DEFAULT_RETURN_COLUMN 31 |
8d79fd44 | 191 | #define DWARF2_CIE_DATA_ALIGNMENT (-4) |
5862107c | 192 | |
252b5132 | 193 | #endif /* TC_MIPS */ |