1 /* BFD back-end for Sparc COFF files.
2 Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
3 Written by Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
25 #include "coff/sparc.h"
26 #include "coff/internal.h"
29 #define BADMAG(x) ((x).f_magic != SPARCMAGIC)
34 R_SPARC_8, R_SPARC_16, R_SPARC_32,
35 R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32,
36 R_SPARC_WDISP30, R_SPARC_WDISP22,
37 R_SPARC_HI22, R_SPARC_22,
38 R_SPARC_13, R_SPARC_LO10,
39 R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22,
40 R_SPARC_PC10, R_SPARC_PC22,
43 R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT,
50 static CONST char *CONST reloc_type_names[] =
53 "R_SPARC_8", "R_SPARC_16", "R_SPARC_32",
54 "R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32",
55 "R_SPARC_WDISP30", "R_SPARC_WDISP22",
56 "R_SPARC_HI22", "R_SPARC_22",
57 "R_SPARC_13", "R_SPARC_LO10",
58 "R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22",
59 "R_SPARC_PC10", "R_SPARC_PC22",
62 "R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT",
68 /* This is stolen pretty directly from elf.c. */
69 static bfd_reloc_status_type
70 bfd_coff_generic_reloc PARAMS ((bfd *, arelent *, asymbol *, PTR,
71 asection *, bfd *, char **));
73 static bfd_reloc_status_type
74 bfd_coff_generic_reloc (abfd, reloc_entry, symbol, data, input_section,
75 output_bfd, error_message)
80 asection *input_section;
84 if (output_bfd != (bfd *) NULL
85 && (symbol->flags & BSF_SECTION_SYM) == 0
86 && reloc_entry->addend == 0)
88 reloc_entry->address += input_section->output_offset;
92 return bfd_reloc_continue;
95 static reloc_howto_type coff_sparc_howto_table[] =
97 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_NONE", false,0,0x00000000,true),
98 HOWTO(R_SPARC_8, 0,0, 8,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_8", false,0,0x000000ff,true),
99 HOWTO(R_SPARC_16, 0,1,16,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_16", false,0,0x0000ffff,true),
100 HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_32", false,0,0xffffffff,true),
101 HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP8", false,0,0x000000ff,true),
102 HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP16", false,0,0x0000ffff,true),
103 HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP32", false,0,0x00ffffff,true),
104 HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_WDISP30", false,0,0x3fffffff,true),
105 HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_WDISP22", false,0,0x003fffff,true),
106 HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_HI22", false,0,0x003fffff,true),
107 HOWTO(R_SPARC_22, 0,2,22,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_22", false,0,0x003fffff,true),
108 HOWTO(R_SPARC_13, 0,2,13,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_13", false,0,0x00001fff,true),
109 HOWTO(R_SPARC_LO10, 0,2,10,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_LO10", false,0,0x000003ff,true),
110 HOWTO(R_SPARC_GOT10, 0,2,10,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT10", false,0,0x000003ff,true),
111 HOWTO(R_SPARC_GOT13, 0,2,13,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT13", false,0,0x00001fff,true),
112 HOWTO(R_SPARC_GOT22, 10,2,22,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT22", false,0,0x003fffff,true),
113 HOWTO(R_SPARC_PC10, 0,2,10,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_PC10", false,0,0x000003ff,true),
114 HOWTO(R_SPARC_PC22, 0,2,22,false,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_PC22", false,0,0x003fffff,true),
115 HOWTO(R_SPARC_WPLT30, 0,0,00,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_WPLT30", false,0,0x00000000,true),
116 HOWTO(R_SPARC_COPY, 0,0,00,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_COPY", false,0,0x00000000,true),
117 HOWTO(R_SPARC_GLOB_DAT,0,0,00,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_GLOB_DAT",false,0,0x00000000,true),
118 HOWTO(R_SPARC_JMP_SLOT,0,0,00,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_JMP_SLOT",false,0,0x00000000,true),
119 HOWTO(R_SPARC_RELATIVE,0,0,00,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_RELATIVE",false,0,0x00000000,true),
120 HOWTO(R_SPARC_UA32, 0,0,00,false,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_UA32", false,0,0x00000000,true),
123 struct coff_reloc_map {
124 unsigned char bfd_reloc_val;
125 unsigned char coff_reloc_val;
128 static CONST struct coff_reloc_map sparc_reloc_map[] =
130 { BFD_RELOC_NONE, R_SPARC_NONE, },
131 { BFD_RELOC_16, R_SPARC_16, },
132 { BFD_RELOC_8, R_SPARC_8 },
133 { BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
134 { BFD_RELOC_CTOR, R_SPARC_32 }, /* @@ Assumes 32 bits. */
135 { BFD_RELOC_32, R_SPARC_32 },
136 { BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
137 { BFD_RELOC_HI22, R_SPARC_HI22 },
138 { BFD_RELOC_LO10, R_SPARC_LO10, },
139 { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
140 { BFD_RELOC_SPARC22, R_SPARC_22 },
141 { BFD_RELOC_SPARC13, R_SPARC_13 },
142 { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
143 { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
144 { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
145 { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
146 { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
147 { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
148 { BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
149 { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
150 { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
151 { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
152 { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
153 /* { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */
156 static CONST struct reloc_howto_struct *
157 coff_sparc_reloc_type_lookup (abfd, code)
159 bfd_reloc_code_real_type code;
162 for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct coff_reloc_map); i++)
164 if (sparc_reloc_map[i].bfd_reloc_val == code)
165 return &coff_sparc_howto_table[(int) sparc_reloc_map[i].coff_reloc_val];
169 #define coff_bfd_reloc_type_lookup coff_sparc_reloc_type_lookup
172 rtype2howto (cache_ptr, dst)
174 struct internal_reloc *dst;
176 BFD_ASSERT (dst->r_type < (unsigned int) R_SPARC_max);
177 cache_ptr->howto = &coff_sparc_howto_table[dst->r_type];
180 #define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
182 #define SWAP_IN_RELOC_OFFSET bfd_h_get_32
183 #define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
184 /* This is just like the standard one, except for the addition of the
185 last line, the adjustment of the addend. */
186 #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
188 coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \
189 if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
190 coffsym = (obj_symbols (abfd) \
191 + (cache_ptr->sym_ptr_ptr - symbols)); \
193 coffsym = coff_symbol_from (abfd, ptr); \
194 if (coffsym != (coff_symbol_type *) NULL \
195 && coffsym->native->u.syment.n_scnum == 0) \
196 cache_ptr->addend = 0; \
197 else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
198 && ptr->section != (asection *) NULL) \
199 cache_ptr->addend = - (ptr->section->vma + ptr->value); \
201 cache_ptr->addend = 0; \
202 cache_ptr->addend += reloc.r_offset; \
205 #define __A_MAGIC_SET__
207 #include "coffcode.h"
219 "coff-sparc", /* name */
221 bfd_target_coff_flavour,
222 true, /* data byte order is big */
223 true, /* header byte order is big */
225 (HAS_RELOC | EXEC_P | /* object flags */
226 HAS_LINENO | HAS_DEBUG |
227 HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
229 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
230 0, /* leading underscore */
231 '/', /* ar_pad_char */
232 15, /* ar_max_namelen */
234 3, /* minimum alignment power */
235 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
236 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
237 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
238 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
239 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
240 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
242 /* Note that we allow an object file to be treated as a core file as well. */
243 {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
244 bfd_generic_archive_p, coff_object_p},
245 {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
247 {bfd_false, coff_write_object_contents, /* bfd_write_contents */
248 _bfd_write_archive_contents, bfd_false},
250 BFD_JUMP_TABLE_GENERIC (coff),
251 BFD_JUMP_TABLE_COPY (coff),
252 BFD_JUMP_TABLE_CORE (_bfd_nocore),
253 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
254 BFD_JUMP_TABLE_SYMBOLS (coff),
255 BFD_JUMP_TABLE_RELOCS (coff),
256 BFD_JUMP_TABLE_WRITE (coff),
257 BFD_JUMP_TABLE_LINK (coff),
258 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),