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670a50eb ILT |
1 | /* tc-mips.c -- header file for tc-mips.c. |
2 | Copyright (C) 1993 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. | |
6 | ||
7 | This file is part of GAS. | |
8 | ||
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) | |
12 | any later version. | |
13 | ||
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. | |
18 | ||
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 | |
21 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
22 | ||
23 | #define TC_MIPS | |
24 | ||
25 | #define TARGET_ARCH bfd_arch_mips | |
26 | ||
670a50eb ILT |
27 | #define ONLY_STANDARD_ESCAPES |
28 | #define BACKSLASH_V | |
29 | #define WORKING_DOT_WORD 1 | |
30 | #define OLD_FLOAT_READS | |
918692a5 | 31 | #define REPEAT_CONS_EXPRESSIONS |
166d9f90 KR |
32 | #define RELOC_EXPANSION_POSSIBLE |
33 | #define MAX_RELOC_EXPANSION 3 | |
9777b772 | 34 | #define LOCAL_LABELS_FB 1 |
670a50eb | 35 | |
1dc1e798 KR |
36 | /* The MIPS assembler appears to keep all symbols. */ |
37 | #define LOCAL_LABEL(name) 0 | |
670a50eb | 38 | |
166d9f90 | 39 | #define md_relax_frag(fragp, stretch) (0) |
670a50eb ILT |
40 | #define md_undefined_symbol(name) (0) |
41 | #define md_operand(x) | |
42 | ||
1dc1e798 KR |
43 | /* We permit PC relative difference expressions when generating |
44 | embedded PIC code. */ | |
45 | #define DIFF_EXPR_OK | |
46 | ||
670a50eb ILT |
47 | #define LITTLE_ENDIAN 1234 |
48 | #define BIG_ENDIAN 4321 | |
49 | ||
1dc1e798 | 50 | /* Default to big endian. */ |
670a50eb | 51 | #ifndef TARGET_BYTES_LITTLE_ENDIAN |
1dc1e798 KR |
52 | #undef TARGET_BYTES_BIG_ENDIAN |
53 | #define TARGET_BYTES_BIG_ENDIAN 1 | |
670a50eb ILT |
54 | #endif |
55 | ||
1dc1e798 | 56 | #if TARGET_BYTES_BIG_ENDIAN |
670a50eb ILT |
57 | #define BYTE_ORDER BIG_ENDIAN |
58 | #else | |
59 | #define BYTE_ORDER LITTLE_ENDIAN | |
60 | #endif | |
61 | ||
1dc1e798 KR |
62 | /* The endianness of the target format may change based on command |
63 | line arguments. */ | |
64 | #define TARGET_FORMAT mips_target_format() | |
65 | extern const char *mips_target_format (); | |
670a50eb | 66 | |
670a50eb ILT |
67 | struct mips_cl_insn { |
68 | unsigned long insn_opcode; | |
69 | const struct mips_opcode *insn_mo; | |
70 | }; | |
71 | ||
166d9f90 | 72 | extern int tc_get_register PARAMS ((int frame)); |
abdad6bc | 73 | |
1dc1e798 KR |
74 | #define md_parse_long_option(arg) mips_parse_long_option (arg) |
75 | extern int mips_parse_long_option PARAMS ((const char *)); | |
76 | ||
abdad6bc ILT |
77 | #define tc_frob_label(sym) mips_define_label (sym) |
78 | extern void mips_define_label PARAMS ((struct symbol *)); | |
79 | ||
80 | #define TC_CONS_FIX_NEW cons_fix_new_mips | |
81 | extern void cons_fix_new_mips (); | |
1aa6938e | 82 | |
1dc1e798 KR |
83 | /* When generating embedded PIC code we must keep PC relative |
84 | relocations. */ | |
85 | #define TC_FORCE_RELOCATION(fixp) mips_force_relocation (fixp) | |
86 | extern int mips_force_relocation (); | |
87 | ||
88 | /* md_apply_fix sets fx_done correctly. */ | |
89 | #define TC_HANDLE_FX_DONE 1 | |
90 | ||
1aa6938e ILT |
91 | /* Register mask variables. These are set by the MIPS assembly code |
92 | and used by ECOFF and possibly other object file formats. */ | |
93 | extern unsigned long mips_gprmask; | |
94 | extern unsigned long mips_cprmask[4]; | |
166d9f90 KR |
95 | |
96 | #ifdef OBJ_ELF | |
f34e27a1 | 97 | |
166d9f90 KR |
98 | #define elf_tc_final_processing mips_elf_final_processing |
99 | extern void mips_elf_final_processing PARAMS ((void)); | |
f34e27a1 ILT |
100 | |
101 | #define ELF_TC_SPECIAL_SECTIONS \ | |
102 | { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \ | |
103 | { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \ | |
104 | { ".lit4", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \ | |
105 | { ".lit8", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \ | |
106 | { ".ucode", SHT_MIPS_UCODE, 0 }, \ | |
107 | { ".mdebug", SHT_MIPS_DEBUG, 0 }, | |
108 | /* Other special sections not generated by the assembler: .reginfo, | |
109 | .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */ | |
110 | ||
166d9f90 KR |
111 | #endif |
112 | ||
113 | extern void md_mips_end PARAMS ((void)); | |
114 | #define md_end() md_mips_end() | |
1dc1e798 KR |
115 | |
116 | #define USE_GLOBAL_POINTER_OPT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour \ | |
117 | || OUTPUT_FLAVOR == bfd_target_elf_flavour) |