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, |
20ee54e8 AM |
3 | 1999, 2000, 2001, 2002, 2003, 2005, 2007 |
4 | Free Software Foundation, Inc. | |
252b5132 RH |
5 | |
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as | |
10 | published by the Free Software Foundation; either version 2, | |
11 | or (at your option) any later version. | |
12 | ||
13 | GAS is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
16 | the GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public | |
19 | License along with GAS; see the file COPYING. If not, write | |
4b4da160 NC |
20 | to the Free Software Foundation, 51 Franklin Street - Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
252b5132 RH |
22 | |
23 | #ifndef TC_SPARC | |
24 | #define TC_SPARC 1 | |
25 | ||
252b5132 | 26 | struct frag; |
252b5132 RH |
27 | |
28 | /* This is used to set the default value for `target_big_endian'. */ | |
29 | #define TARGET_BYTES_BIG_ENDIAN 1 | |
30 | ||
31 | #define LOCAL_LABELS_FB 1 | |
32 | ||
33 | #define TARGET_ARCH bfd_arch_sparc | |
34 | ||
71a75f6f MF |
35 | #ifdef TE_FreeBSD |
36 | #define ELF_TARGET_FORMAT "elf32-sparc-freebsd" | |
37 | #define ELF64_TARGET_FORMAT "elf64-sparc-freebsd" | |
38 | #endif | |
39 | ||
40 | #ifndef ELF_TARGET_FORMAT | |
41 | #define ELF_TARGET_FORMAT "elf32-sparc" | |
42 | #endif | |
43 | ||
44 | #ifndef ELF64_TARGET_FORMAT | |
45 | #define ELF64_TARGET_FORMAT "elf64-sparc" | |
46 | #endif | |
47 | ||
252b5132 RH |
48 | extern const char *sparc_target_format PARAMS ((void)); |
49 | #define TARGET_FORMAT sparc_target_format () | |
50 | ||
dabe3bbc RH |
51 | #define RELOC_EXPANSION_POSSIBLE |
52 | #define MAX_RELOC_EXPANSION 2 | |
53 | ||
252b5132 RH |
54 | /* Make it unconditional and check if -EL is valid after option parsing */ |
55 | #define SPARC_BIENDIAN | |
56 | ||
57 | #define WORKING_DOT_WORD | |
58 | ||
0a9ef439 RH |
59 | #define md_convert_frag(b,s,f) \ |
60 | as_fatal (_("sparc convert_frag\n")) | |
252b5132 | 61 | #define md_estimate_size_before_relax(f,s) \ |
07726851 | 62 | (as_fatal (_("estimate_size_before_relax called")), 1) |
252b5132 RH |
63 | |
64 | #define LISTING_HEADER "SPARC GAS " | |
65 | ||
66 | extern int sparc_pic_code; | |
67 | ||
252b5132 RH |
68 | /* We require .word, et. al., to be aligned correctly. */ |
69 | #define md_cons_align(nbytes) sparc_cons_align (nbytes) | |
70 | extern void sparc_cons_align PARAMS ((int)); | |
0a9ef439 | 71 | |
252b5132 RH |
72 | #define HANDLE_ALIGN(fragp) sparc_handle_align (fragp) |
73 | extern void sparc_handle_align PARAMS ((struct frag *)); | |
74 | ||
0a9ef439 RH |
75 | #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) |
76 | ||
252b5132 RH |
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 \ | |
a161fe53 AM |
95 | || (sparc_pic_code \ |
96 | && S_IS_EXTERNAL ((FIX)->fx_addsy)) \ | |
97 | || TC_FORCE_RELOCATION (FIX)) | |
252b5132 RH |
98 | #endif |
99 | ||
252b5132 | 100 | #ifdef OBJ_ELF |
a161fe53 AM |
101 | /* Don't turn certain relocs into relocations against sections. This |
102 | is required for the dynamic linker to operate properly. When | |
103 | generating PIC, we need to keep any non PC relative reloc. The PIC | |
104 | part of this test must be parallel to the code in tc_gen_reloc which | |
105 | converts relocations to GOT relocations. */ | |
252b5132 | 106 | #define tc_fix_adjustable(FIX) \ |
a161fe53 | 107 | ((FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \ |
d2e71411 | 108 | && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \ |
b9734f35 JJ |
109 | && ((FIX)->fx_r_type < BFD_RELOC_SPARC_TLS_GD_HI22 \ |
110 | || (FIX)->fx_r_type > BFD_RELOC_SPARC_TLS_TPOFF64) \ | |
252b5132 | 111 | && (! sparc_pic_code \ |
a1f2d742 ILT |
112 | || ((FIX)->fx_r_type != BFD_RELOC_HI22 \ |
113 | && (FIX)->fx_r_type != BFD_RELOC_LO10 \ | |
114 | && (FIX)->fx_r_type != BFD_RELOC_SPARC13 \ | |
115 | && ((FIX)->fx_r_type != BFD_RELOC_32_PCREL_S2 \ | |
ae6063d4 | 116 | || !generic_force_reloc (FIX)) \ |
a1f2d742 ILT |
117 | && ((FIX)->fx_pcrel \ |
118 | || ((FIX)->fx_subsy != NULL \ | |
119 | && (S_GET_SEGMENT ((FIX)->fx_subsy) \ | |
120 | == S_GET_SEGMENT ((FIX)->fx_addsy))) \ | |
121 | || S_IS_LOCAL ((FIX)->fx_addsy))))) | |
6d8809aa | 122 | |
55cf6793 | 123 | /* Values passed to md_apply_fix don't include the symbol value. */ |
a161fe53 AM |
124 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
125 | ||
6d8809aa RH |
126 | /* Finish up the entire symtab. */ |
127 | #define tc_adjust_symtab() sparc_adjust_symtab () | |
128 | extern void sparc_adjust_symtab PARAMS ((void)); | |
252b5132 RH |
129 | #endif |
130 | ||
131 | #ifdef OBJ_AOUT | |
132 | /* When generating PIC code, we must not adjust any reloc which will | |
133 | turn into a reloc against the global offset table, nor any reloc | |
134 | which we will need if a symbol is overridden. */ | |
135 | #define tc_fix_adjustable(FIX) \ | |
136 | (! sparc_pic_code \ | |
137 | || ((FIX)->fx_pcrel \ | |
138 | && ((FIX)->fx_addsy == NULL \ | |
139 | || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ | |
140 | && ! S_IS_WEAK ((FIX)->fx_addsy)))) \ | |
141 | || (FIX)->fx_r_type == BFD_RELOC_16 \ | |
142 | || (FIX)->fx_r_type == BFD_RELOC_32) | |
143 | #endif | |
144 | ||
145 | #define elf_tc_final_processing sparc_elf_final_processing | |
146 | extern void sparc_elf_final_processing PARAMS ((void)); | |
147 | ||
148 | #define md_operand(x) | |
149 | ||
150 | extern void sparc_md_end PARAMS ((void)); | |
151 | #define md_end() sparc_md_end () | |
152 | ||
153 | #endif | |
154 | ||
bd5e6e7e JJ |
155 | #ifdef OBJ_ELF |
156 | #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES) | |
157 | extern void sparc_cons PARAMS ((expressionS *, int)); | |
158 | #endif | |
159 | ||
252b5132 RH |
160 | #define TC_CONS_FIX_NEW cons_fix_new_sparc |
161 | extern void cons_fix_new_sparc | |
162 | PARAMS ((struct frag *, int, unsigned int, struct expressionS *)); | |
163 | ||
dabe3bbc RH |
164 | #define TC_FIX_TYPE valueT |
165 | ||
166 | #define TC_INIT_FIX_DATA(X) \ | |
167 | do \ | |
168 | { \ | |
169 | (X)->tc_fix_data = 0; \ | |
170 | } \ | |
814f6641 | 171 | while (0) |
dabe3bbc | 172 | |
a161fe53 | 173 | #define TC_FIX_DATA_PRINT(FILE, FIX) \ |
dabe3bbc RH |
174 | do \ |
175 | { \ | |
814f6641 | 176 | fprintf ((FILE), "addend2=%ld\n", \ |
a161fe53 | 177 | (unsigned long) (FIX)->tc_fix_data); \ |
dabe3bbc | 178 | } \ |
814f6641 | 179 | while (0) |
dabe3bbc | 180 | |
364b6d8b JJ |
181 | #define TARGET_USE_CFIPOP 1 |
182 | ||
183 | #define tc_cfi_frame_initial_instructions sparc_cfi_frame_initial_instructions | |
184 | extern void sparc_cfi_frame_initial_instructions PARAMS ((void)); | |
185 | ||
186 | #define tc_regname_to_dw2regnum sparc_regname_to_dw2regnum | |
1df69f4f | 187 | extern int sparc_regname_to_dw2regnum PARAMS ((char *regname)); |
364b6d8b JJ |
188 | |
189 | #define tc_cfi_emit_pcrel_expr sparc_cfi_emit_pcrel_expr | |
190 | extern void sparc_cfi_emit_pcrel_expr PARAMS ((expressionS *, unsigned int)); | |
191 | ||
192 | extern int sparc_cie_data_alignment; | |
193 | ||
194 | #define DWARF2_LINE_MIN_INSN_LENGTH 4 | |
195 | #define DWARF2_DEFAULT_RETURN_COLUMN 15 | |
196 | #define DWARF2_CIE_DATA_ALIGNMENT sparc_cie_data_alignment | |
b8e904dc | 197 | |
252b5132 | 198 | /* end of tc-sparc.h */ |