Commit | Line | Data |
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252b5132 | 1 | /* tc-sparc.h - Macros and type defines for the sparc. |
f7e42eb4 | 2 | Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
a161fe53 | 3 | 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as | |
9 | published by the Free Software Foundation; either version 2, | |
10 | or (at your option) any later version. | |
11 | ||
12 | GAS is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
15 | the GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public | |
18 | License along with GAS; see the file COPYING. If not, write | |
19 | to the Free Software Foundation, 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #ifndef TC_SPARC | |
23 | #define TC_SPARC 1 | |
24 | ||
25 | #ifdef ANSI_PROTOTYPES | |
26 | struct frag; | |
27 | #endif | |
28 | ||
29 | /* This is used to set the default value for `target_big_endian'. */ | |
30 | #define TARGET_BYTES_BIG_ENDIAN 1 | |
31 | ||
32 | #define LOCAL_LABELS_FB 1 | |
33 | ||
34 | #define TARGET_ARCH bfd_arch_sparc | |
35 | ||
36 | extern const char *sparc_target_format PARAMS ((void)); | |
37 | #define TARGET_FORMAT sparc_target_format () | |
38 | ||
dabe3bbc RH |
39 | #define RELOC_EXPANSION_POSSIBLE |
40 | #define MAX_RELOC_EXPANSION 2 | |
41 | ||
252b5132 RH |
42 | #if 0 |
43 | #ifdef TE_SPARCAOUT | |
44 | /* Bi-endian support may eventually be unconditional, but until things are | |
45 | working well it's only provided for targets that need it. */ | |
46 | #define SPARC_BIENDIAN | |
47 | #endif | |
48 | #endif | |
49 | /* Make it unconditional and check if -EL is valid after option parsing */ | |
50 | #define SPARC_BIENDIAN | |
51 | ||
52 | #define WORKING_DOT_WORD | |
53 | ||
0a9ef439 RH |
54 | #define md_convert_frag(b,s,f) \ |
55 | as_fatal (_("sparc convert_frag\n")) | |
252b5132 | 56 | #define md_estimate_size_before_relax(f,s) \ |
07726851 | 57 | (as_fatal (_("estimate_size_before_relax called")), 1) |
252b5132 RH |
58 | |
59 | #define LISTING_HEADER "SPARC GAS " | |
60 | ||
61 | extern int sparc_pic_code; | |
62 | ||
252b5132 RH |
63 | /* We require .word, et. al., to be aligned correctly. */ |
64 | #define md_cons_align(nbytes) sparc_cons_align (nbytes) | |
65 | extern void sparc_cons_align PARAMS ((int)); | |
0a9ef439 | 66 | |
252b5132 RH |
67 | #define HANDLE_ALIGN(fragp) sparc_handle_align (fragp) |
68 | extern void sparc_handle_align PARAMS ((struct frag *)); | |
69 | ||
0a9ef439 RH |
70 | #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) |
71 | ||
252b5132 | 72 | #ifdef OBJ_ELF |
a161fe53 AM |
73 | #define TC_FORCE_RELOCATION(FIX) elf32_sparc_force_relocation(FIX) |
74 | extern int elf32_sparc_force_relocation PARAMS ((struct fix *)); | |
252b5132 RH |
75 | #endif |
76 | ||
77 | /* I know that "call 0" fails in sparc-coff if this doesn't return 1. I | |
78 | don't know about other relocation types, or other formats, yet. */ | |
79 | #ifdef OBJ_COFF | |
a161fe53 AM |
80 | #define TC_FORCE_RELOCATION_ABS(FIX) \ |
81 | ((FIX)->fx_r_type == BFD_RELOC_32_PCREL_S2 \ | |
82 | || TC_FORCE_RELOCATION (FIX)) | |
83 | ||
252b5132 RH |
84 | #define RELOC_REQUIRES_SYMBOL |
85 | #endif | |
86 | ||
a161fe53 AM |
87 | #ifdef OBJ_AOUT |
88 | /* This expression evaluates to true if the relocation is for a local | |
89 | object for which we still want to do the relocation at runtime. | |
90 | False if we are willing to perform this relocation while building | |
91 | the .o file. */ | |
92 | ||
93 | #define TC_FORCE_RELOCATION_LOCAL(FIX) \ | |
94 | (!(FIX)->fx_pcrel \ | |
95 | || (FIX)->fx_plt \ | |
96 | || (sparc_pic_code \ | |
97 | && S_IS_EXTERNAL ((FIX)->fx_addsy)) \ | |
98 | || TC_FORCE_RELOCATION (FIX)) | |
252b5132 RH |
99 | #endif |
100 | ||
252b5132 | 101 | #ifdef OBJ_ELF |
a161fe53 AM |
102 | /* Don't turn certain relocs into relocations against sections. This |
103 | is required for the dynamic linker to operate properly. When | |
104 | generating PIC, we need to keep any non PC relative reloc. The PIC | |
105 | part of this test must be parallel to the code in tc_gen_reloc which | |
106 | converts relocations to GOT relocations. */ | |
252b5132 | 107 | #define tc_fix_adjustable(FIX) \ |
a161fe53 | 108 | ((FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \ |
d2e71411 | 109 | && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \ |
252b5132 | 110 | && (! sparc_pic_code \ |
a1f2d742 ILT |
111 | || ((FIX)->fx_r_type != BFD_RELOC_HI22 \ |
112 | && (FIX)->fx_r_type != BFD_RELOC_LO10 \ | |
113 | && (FIX)->fx_r_type != BFD_RELOC_SPARC13 \ | |
114 | && ((FIX)->fx_r_type != BFD_RELOC_32_PCREL_S2 \ | |
a161fe53 | 115 | || !S_FORCE_RELOC ((FIX)->fx_addsy)) \ |
a1f2d742 ILT |
116 | && ((FIX)->fx_pcrel \ |
117 | || ((FIX)->fx_subsy != NULL \ | |
118 | && (S_GET_SEGMENT ((FIX)->fx_subsy) \ | |
119 | == S_GET_SEGMENT ((FIX)->fx_addsy))) \ | |
120 | || S_IS_LOCAL ((FIX)->fx_addsy))))) | |
6d8809aa | 121 | |
a161fe53 AM |
122 | /* Values passed to md_apply_fix3 don't include the symbol value. */ |
123 | #define MD_APPLY_SYM_VALUE(FIX) 0 | |
124 | ||
6d8809aa RH |
125 | /* Finish up the entire symtab. */ |
126 | #define tc_adjust_symtab() sparc_adjust_symtab () | |
127 | extern void sparc_adjust_symtab PARAMS ((void)); | |
252b5132 RH |
128 | #endif |
129 | ||
130 | #ifdef OBJ_AOUT | |
131 | /* When generating PIC code, we must not adjust any reloc which will | |
132 | turn into a reloc against the global offset table, nor any reloc | |
133 | which we will need if a symbol is overridden. */ | |
134 | #define tc_fix_adjustable(FIX) \ | |
135 | (! sparc_pic_code \ | |
136 | || ((FIX)->fx_pcrel \ | |
137 | && ((FIX)->fx_addsy == NULL \ | |
138 | || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ | |
139 | && ! S_IS_WEAK ((FIX)->fx_addsy)))) \ | |
140 | || (FIX)->fx_r_type == BFD_RELOC_16 \ | |
141 | || (FIX)->fx_r_type == BFD_RELOC_32) | |
142 | #endif | |
143 | ||
144 | #define elf_tc_final_processing sparc_elf_final_processing | |
145 | extern void sparc_elf_final_processing PARAMS ((void)); | |
146 | ||
147 | #define md_operand(x) | |
148 | ||
149 | extern void sparc_md_end PARAMS ((void)); | |
150 | #define md_end() sparc_md_end () | |
151 | ||
152 | #endif | |
153 | ||
bd5e6e7e JJ |
154 | #ifdef OBJ_ELF |
155 | #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES) | |
156 | extern void sparc_cons PARAMS ((expressionS *, int)); | |
157 | #endif | |
158 | ||
252b5132 RH |
159 | #define TC_CONS_FIX_NEW cons_fix_new_sparc |
160 | extern void cons_fix_new_sparc | |
161 | PARAMS ((struct frag *, int, unsigned int, struct expressionS *)); | |
162 | ||
dabe3bbc RH |
163 | #define TC_FIX_TYPE valueT |
164 | ||
165 | #define TC_INIT_FIX_DATA(X) \ | |
166 | do \ | |
167 | { \ | |
168 | (X)->tc_fix_data = 0; \ | |
169 | } \ | |
814f6641 | 170 | while (0) |
dabe3bbc | 171 | |
a161fe53 | 172 | #define TC_FIX_DATA_PRINT(FILE, FIX) \ |
dabe3bbc RH |
173 | do \ |
174 | { \ | |
814f6641 | 175 | fprintf ((FILE), "addend2=%ld\n", \ |
a161fe53 | 176 | (unsigned long) (FIX)->tc_fix_data); \ |
dabe3bbc | 177 | } \ |
814f6641 | 178 | while (0) |
dabe3bbc | 179 | |
b8e904dc JJ |
180 | #define DWARF2_LINE_MIN_INSN_LENGTH 4 |
181 | ||
252b5132 | 182 | /* end of tc-sparc.h */ |