Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end for MIPS Extended-Coff files. |
7898deda | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
157090f7 | 3 | 2000, 2001, 2002, 2003, 2004, 2007 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | Original version by Per Bothner. | |
6 | Full support added by Ian Lance Taylor, ian@cygnus.com. | |
7 | ||
cd123cb7 | 8 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 9 | |
cd123cb7 NC |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 3 of the License, or | |
13 | (at your option) any later version. | |
252b5132 | 14 | |
cd123cb7 NC |
15 | This program 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. | |
252b5132 | 19 | |
cd123cb7 NC |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
23 | MA 02110-1301, USA. */ | |
252b5132 | 24 | |
252b5132 | 25 | #include "sysdep.h" |
3db64b00 | 26 | #include "bfd.h" |
252b5132 RH |
27 | #include "bfdlink.h" |
28 | #include "libbfd.h" | |
29 | #include "coff/internal.h" | |
30 | #include "coff/sym.h" | |
31 | #include "coff/symconst.h" | |
32 | #include "coff/ecoff.h" | |
33 | #include "coff/mips.h" | |
34 | #include "libcoff.h" | |
35 | #include "libecoff.h" | |
36 | \f | |
37 | /* Prototypes for static functions. */ | |
38 | ||
b34976b6 AM |
39 | static bfd_boolean mips_ecoff_bad_format_hook |
40 | PARAMS ((bfd *abfd, PTR filehdr)); | |
41 | static void mips_ecoff_swap_reloc_in | |
42 | PARAMS ((bfd *, PTR, struct internal_reloc *)); | |
43 | static void mips_ecoff_swap_reloc_out | |
44 | PARAMS ((bfd *, const struct internal_reloc *, PTR)); | |
45 | static void mips_adjust_reloc_in | |
46 | PARAMS ((bfd *, const struct internal_reloc *, arelent *)); | |
47 | static void mips_adjust_reloc_out | |
48 | PARAMS ((bfd *, const arelent *, struct internal_reloc *)); | |
49 | static bfd_reloc_status_type mips_generic_reloc | |
50 | PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data, | |
51 | asection *section, bfd *output_bfd, char **error)); | |
52 | static bfd_reloc_status_type mips_refhi_reloc | |
53 | PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data, | |
54 | asection *section, bfd *output_bfd, char **error)); | |
55 | static bfd_reloc_status_type mips_reflo_reloc | |
56 | PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data, | |
57 | asection *section, bfd *output_bfd, char **error)); | |
58 | static bfd_reloc_status_type mips_gprel_reloc | |
59 | PARAMS ((bfd *abfd, arelent *reloc, asymbol *symbol, PTR data, | |
60 | asection *section, bfd *output_bfd, char **error)); | |
b34976b6 AM |
61 | static void mips_relocate_hi |
62 | PARAMS ((struct internal_reloc *refhi, struct internal_reloc *reflo, | |
63 | bfd *input_bfd, asection *input_section, bfd_byte *contents, | |
3e27568f | 64 | bfd_vma relocation)); |
b34976b6 AM |
65 | static bfd_boolean mips_relocate_section |
66 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, PTR)); | |
252b5132 RH |
67 | static reloc_howto_type *mips_bfd_reloc_type_lookup |
68 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
252b5132 RH |
69 | \f |
70 | /* ECOFF has COFF sections, but the debugging information is stored in | |
71 | a completely different format. ECOFF targets use some of the | |
72 | swapping routines from coffswap.h, and some of the generic COFF | |
73 | routines in coffgen.c, but, unlike the real COFF targets, do not | |
74 | use coffcode.h itself. | |
75 | ||
76 | Get the generic COFF swapping routines, except for the reloc, | |
77 | symbol, and lineno ones. Give them ECOFF names. */ | |
78 | #define MIPSECOFF | |
79 | #define NO_COFF_RELOCS | |
80 | #define NO_COFF_SYMBOLS | |
81 | #define NO_COFF_LINENOS | |
82 | #define coff_swap_filehdr_in mips_ecoff_swap_filehdr_in | |
83 | #define coff_swap_filehdr_out mips_ecoff_swap_filehdr_out | |
84 | #define coff_swap_aouthdr_in mips_ecoff_swap_aouthdr_in | |
85 | #define coff_swap_aouthdr_out mips_ecoff_swap_aouthdr_out | |
86 | #define coff_swap_scnhdr_in mips_ecoff_swap_scnhdr_in | |
87 | #define coff_swap_scnhdr_out mips_ecoff_swap_scnhdr_out | |
88 | #include "coffswap.h" | |
89 | ||
90 | /* Get the ECOFF swapping routines. */ | |
91 | #define ECOFF_32 | |
92 | #include "ecoffswap.h" | |
93 | \f | |
94 | /* How to process the various relocs types. */ | |
95 | ||
96 | static reloc_howto_type mips_howto_table[] = | |
97 | { | |
98 | /* Reloc type 0 is ignored. The reloc reading code ensures that | |
99 | this is a reference to the .abs section, which will cause | |
100 | bfd_perform_relocation to do nothing. */ | |
101 | HOWTO (MIPS_R_IGNORE, /* type */ | |
102 | 0, /* rightshift */ | |
103 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
104 | 8, /* bitsize */ | |
b34976b6 | 105 | FALSE, /* pc_relative */ |
252b5132 RH |
106 | 0, /* bitpos */ |
107 | complain_overflow_dont, /* complain_on_overflow */ | |
108 | 0, /* special_function */ | |
109 | "IGNORE", /* name */ | |
b34976b6 | 110 | FALSE, /* partial_inplace */ |
252b5132 RH |
111 | 0, /* src_mask */ |
112 | 0, /* dst_mask */ | |
b34976b6 | 113 | FALSE), /* pcrel_offset */ |
252b5132 RH |
114 | |
115 | /* A 16 bit reference to a symbol, normally from a data section. */ | |
116 | HOWTO (MIPS_R_REFHALF, /* type */ | |
117 | 0, /* rightshift */ | |
118 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
119 | 16, /* bitsize */ | |
b34976b6 | 120 | FALSE, /* pc_relative */ |
252b5132 RH |
121 | 0, /* bitpos */ |
122 | complain_overflow_bitfield, /* complain_on_overflow */ | |
123 | mips_generic_reloc, /* special_function */ | |
124 | "REFHALF", /* name */ | |
b34976b6 | 125 | TRUE, /* partial_inplace */ |
252b5132 RH |
126 | 0xffff, /* src_mask */ |
127 | 0xffff, /* dst_mask */ | |
b34976b6 | 128 | FALSE), /* pcrel_offset */ |
252b5132 RH |
129 | |
130 | /* A 32 bit reference to a symbol, normally from a data section. */ | |
131 | HOWTO (MIPS_R_REFWORD, /* type */ | |
132 | 0, /* rightshift */ | |
133 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
134 | 32, /* bitsize */ | |
b34976b6 | 135 | FALSE, /* pc_relative */ |
252b5132 RH |
136 | 0, /* bitpos */ |
137 | complain_overflow_bitfield, /* complain_on_overflow */ | |
138 | mips_generic_reloc, /* special_function */ | |
139 | "REFWORD", /* name */ | |
b34976b6 | 140 | TRUE, /* partial_inplace */ |
252b5132 RH |
141 | 0xffffffff, /* src_mask */ |
142 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 143 | FALSE), /* pcrel_offset */ |
252b5132 RH |
144 | |
145 | /* A 26 bit absolute jump address. */ | |
146 | HOWTO (MIPS_R_JMPADDR, /* type */ | |
147 | 2, /* rightshift */ | |
148 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
149 | 26, /* bitsize */ | |
b34976b6 | 150 | FALSE, /* pc_relative */ |
252b5132 RH |
151 | 0, /* bitpos */ |
152 | complain_overflow_dont, /* complain_on_overflow */ | |
153 | /* This needs complex overflow | |
154 | detection, because the upper four | |
155 | bits must match the PC. */ | |
156 | mips_generic_reloc, /* special_function */ | |
157 | "JMPADDR", /* name */ | |
b34976b6 | 158 | TRUE, /* partial_inplace */ |
252b5132 RH |
159 | 0x3ffffff, /* src_mask */ |
160 | 0x3ffffff, /* dst_mask */ | |
b34976b6 | 161 | FALSE), /* pcrel_offset */ |
252b5132 RH |
162 | |
163 | /* The high 16 bits of a symbol value. Handled by the function | |
164 | mips_refhi_reloc. */ | |
165 | HOWTO (MIPS_R_REFHI, /* type */ | |
166 | 16, /* rightshift */ | |
167 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
168 | 16, /* bitsize */ | |
b34976b6 | 169 | FALSE, /* pc_relative */ |
252b5132 RH |
170 | 0, /* bitpos */ |
171 | complain_overflow_bitfield, /* complain_on_overflow */ | |
172 | mips_refhi_reloc, /* special_function */ | |
173 | "REFHI", /* name */ | |
b34976b6 | 174 | TRUE, /* partial_inplace */ |
252b5132 RH |
175 | 0xffff, /* src_mask */ |
176 | 0xffff, /* dst_mask */ | |
b34976b6 | 177 | FALSE), /* pcrel_offset */ |
252b5132 RH |
178 | |
179 | /* The low 16 bits of a symbol value. */ | |
180 | HOWTO (MIPS_R_REFLO, /* type */ | |
181 | 0, /* rightshift */ | |
182 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
183 | 16, /* bitsize */ | |
b34976b6 | 184 | FALSE, /* pc_relative */ |
252b5132 RH |
185 | 0, /* bitpos */ |
186 | complain_overflow_dont, /* complain_on_overflow */ | |
187 | mips_reflo_reloc, /* special_function */ | |
188 | "REFLO", /* name */ | |
b34976b6 | 189 | TRUE, /* partial_inplace */ |
252b5132 RH |
190 | 0xffff, /* src_mask */ |
191 | 0xffff, /* dst_mask */ | |
b34976b6 | 192 | FALSE), /* pcrel_offset */ |
252b5132 RH |
193 | |
194 | /* A reference to an offset from the gp register. Handled by the | |
195 | function mips_gprel_reloc. */ | |
196 | HOWTO (MIPS_R_GPREL, /* type */ | |
197 | 0, /* rightshift */ | |
198 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
199 | 16, /* bitsize */ | |
b34976b6 | 200 | FALSE, /* pc_relative */ |
252b5132 RH |
201 | 0, /* bitpos */ |
202 | complain_overflow_signed, /* complain_on_overflow */ | |
203 | mips_gprel_reloc, /* special_function */ | |
204 | "GPREL", /* name */ | |
b34976b6 | 205 | TRUE, /* partial_inplace */ |
252b5132 RH |
206 | 0xffff, /* src_mask */ |
207 | 0xffff, /* dst_mask */ | |
b34976b6 | 208 | FALSE), /* pcrel_offset */ |
252b5132 RH |
209 | |
210 | /* A reference to a literal using an offset from the gp register. | |
211 | Handled by the function mips_gprel_reloc. */ | |
212 | HOWTO (MIPS_R_LITERAL, /* type */ | |
213 | 0, /* rightshift */ | |
214 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
215 | 16, /* bitsize */ | |
b34976b6 | 216 | FALSE, /* pc_relative */ |
252b5132 RH |
217 | 0, /* bitpos */ |
218 | complain_overflow_signed, /* complain_on_overflow */ | |
219 | mips_gprel_reloc, /* special_function */ | |
220 | "LITERAL", /* name */ | |
b34976b6 | 221 | TRUE, /* partial_inplace */ |
252b5132 RH |
222 | 0xffff, /* src_mask */ |
223 | 0xffff, /* dst_mask */ | |
b34976b6 | 224 | FALSE), /* pcrel_offset */ |
252b5132 | 225 | |
5f771d47 ILT |
226 | EMPTY_HOWTO (8), |
227 | EMPTY_HOWTO (9), | |
228 | EMPTY_HOWTO (10), | |
229 | EMPTY_HOWTO (11), | |
252b5132 | 230 | |
3e27568f CD |
231 | /* FIXME: This relocation is used (internally only) to represent branches |
232 | when assembling. It should never appear in output files, and | |
233 | be removed. (It used to be used for embedded-PIC support.) */ | |
252b5132 RH |
234 | HOWTO (MIPS_R_PCREL16, /* type */ |
235 | 2, /* rightshift */ | |
236 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
237 | 16, /* bitsize */ | |
b34976b6 | 238 | TRUE, /* pc_relative */ |
252b5132 RH |
239 | 0, /* bitpos */ |
240 | complain_overflow_signed, /* complain_on_overflow */ | |
241 | mips_generic_reloc, /* special_function */ | |
242 | "PCREL16", /* name */ | |
b34976b6 | 243 | TRUE, /* partial_inplace */ |
252b5132 RH |
244 | 0xffff, /* src_mask */ |
245 | 0xffff, /* dst_mask */ | |
b34976b6 | 246 | TRUE), /* pcrel_offset */ |
252b5132 RH |
247 | }; |
248 | ||
249 | #define MIPS_HOWTO_COUNT \ | |
250 | (sizeof mips_howto_table / sizeof mips_howto_table[0]) | |
252b5132 RH |
251 | \f |
252 | /* See whether the magic number matches. */ | |
253 | ||
b34976b6 | 254 | static bfd_boolean |
252b5132 RH |
255 | mips_ecoff_bad_format_hook (abfd, filehdr) |
256 | bfd *abfd; | |
257 | PTR filehdr; | |
258 | { | |
259 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
260 | ||
261 | switch (internal_f->f_magic) | |
262 | { | |
263 | case MIPS_MAGIC_1: | |
264 | /* I don't know what endianness this implies. */ | |
b34976b6 | 265 | return TRUE; |
252b5132 RH |
266 | |
267 | case MIPS_MAGIC_BIG: | |
268 | case MIPS_MAGIC_BIG2: | |
269 | case MIPS_MAGIC_BIG3: | |
270 | return bfd_big_endian (abfd); | |
271 | ||
272 | case MIPS_MAGIC_LITTLE: | |
273 | case MIPS_MAGIC_LITTLE2: | |
274 | case MIPS_MAGIC_LITTLE3: | |
275 | return bfd_little_endian (abfd); | |
276 | ||
277 | default: | |
b34976b6 | 278 | return FALSE; |
252b5132 RH |
279 | } |
280 | } | |
281 | \f | |
282 | /* Reloc handling. MIPS ECOFF relocs are packed into 8 bytes in | |
283 | external form. They use a bit which indicates whether the symbol | |
284 | is external. */ | |
285 | ||
286 | /* Swap a reloc in. */ | |
287 | ||
288 | static void | |
289 | mips_ecoff_swap_reloc_in (abfd, ext_ptr, intern) | |
290 | bfd *abfd; | |
291 | PTR ext_ptr; | |
292 | struct internal_reloc *intern; | |
293 | { | |
294 | const RELOC *ext = (RELOC *) ext_ptr; | |
295 | ||
dc810e39 | 296 | intern->r_vaddr = H_GET_32 (abfd, ext->r_vaddr); |
252b5132 RH |
297 | if (bfd_header_big_endian (abfd)) |
298 | { | |
299 | intern->r_symndx = (((int) ext->r_bits[0] | |
300 | << RELOC_BITS0_SYMNDX_SH_LEFT_BIG) | |
301 | | ((int) ext->r_bits[1] | |
302 | << RELOC_BITS1_SYMNDX_SH_LEFT_BIG) | |
303 | | ((int) ext->r_bits[2] | |
304 | << RELOC_BITS2_SYMNDX_SH_LEFT_BIG)); | |
305 | intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_BIG) | |
306 | >> RELOC_BITS3_TYPE_SH_BIG); | |
307 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_BIG) != 0; | |
308 | } | |
309 | else | |
310 | { | |
311 | intern->r_symndx = (((int) ext->r_bits[0] | |
312 | << RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE) | |
313 | | ((int) ext->r_bits[1] | |
314 | << RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE) | |
315 | | ((int) ext->r_bits[2] | |
316 | << RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE)); | |
317 | intern->r_type = (((ext->r_bits[3] & RELOC_BITS3_TYPE_LITTLE) | |
318 | >> RELOC_BITS3_TYPE_SH_LITTLE) | |
319 | | ((ext->r_bits[3] & RELOC_BITS3_TYPEHI_LITTLE) | |
320 | << RELOC_BITS3_TYPEHI_SH_LITTLE)); | |
321 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_LITTLE) != 0; | |
322 | } | |
252b5132 RH |
323 | } |
324 | ||
325 | /* Swap a reloc out. */ | |
326 | ||
327 | static void | |
328 | mips_ecoff_swap_reloc_out (abfd, intern, dst) | |
329 | bfd *abfd; | |
330 | const struct internal_reloc *intern; | |
331 | PTR dst; | |
332 | { | |
333 | RELOC *ext = (RELOC *) dst; | |
334 | long r_symndx; | |
335 | ||
336 | BFD_ASSERT (intern->r_extern | |
337 | || (intern->r_symndx >= 0 && intern->r_symndx <= 12)); | |
338 | ||
3e27568f | 339 | r_symndx = intern->r_symndx; |
252b5132 | 340 | |
dc810e39 | 341 | H_PUT_32 (abfd, intern->r_vaddr, ext->r_vaddr); |
252b5132 RH |
342 | if (bfd_header_big_endian (abfd)) |
343 | { | |
344 | ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG; | |
345 | ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG; | |
346 | ext->r_bits[2] = r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_BIG; | |
347 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_BIG) | |
348 | & RELOC_BITS3_TYPE_BIG) | |
349 | | (intern->r_extern ? RELOC_BITS3_EXTERN_BIG : 0)); | |
350 | } | |
351 | else | |
352 | { | |
353 | ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE; | |
354 | ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE; | |
355 | ext->r_bits[2] = r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE; | |
356 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_LITTLE) | |
357 | & RELOC_BITS3_TYPE_LITTLE) | |
358 | | ((intern->r_type >> RELOC_BITS3_TYPEHI_SH_LITTLE | |
359 | & RELOC_BITS3_TYPEHI_LITTLE)) | |
360 | | (intern->r_extern ? RELOC_BITS3_EXTERN_LITTLE : 0)); | |
361 | } | |
362 | } | |
363 | ||
364 | /* Finish canonicalizing a reloc. Part of this is generic to all | |
365 | ECOFF targets, and that part is in ecoff.c. The rest is done in | |
366 | this backend routine. It must fill in the howto field. */ | |
367 | ||
368 | static void | |
369 | mips_adjust_reloc_in (abfd, intern, rptr) | |
370 | bfd *abfd; | |
371 | const struct internal_reloc *intern; | |
372 | arelent *rptr; | |
373 | { | |
3e27568f | 374 | if (intern->r_type > MIPS_R_PCREL16) |
252b5132 RH |
375 | abort (); |
376 | ||
377 | if (! intern->r_extern | |
378 | && (intern->r_type == MIPS_R_GPREL | |
379 | || intern->r_type == MIPS_R_LITERAL)) | |
380 | rptr->addend += ecoff_data (abfd)->gp; | |
381 | ||
382 | /* If the type is MIPS_R_IGNORE, make sure this is a reference to | |
383 | the absolute section so that the reloc is ignored. */ | |
384 | if (intern->r_type == MIPS_R_IGNORE) | |
385 | rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
386 | ||
252b5132 RH |
387 | rptr->howto = &mips_howto_table[intern->r_type]; |
388 | } | |
389 | ||
390 | /* Make any adjustments needed to a reloc before writing it out. None | |
391 | are needed for MIPS. */ | |
392 | ||
393 | static void | |
394 | mips_adjust_reloc_out (abfd, rel, intern) | |
5f771d47 | 395 | bfd *abfd ATTRIBUTE_UNUSED; |
3e27568f CD |
396 | const arelent *rel ATTRIBUTE_UNUSED; |
397 | struct internal_reloc *intern ATTRIBUTE_UNUSED; | |
252b5132 | 398 | { |
252b5132 RH |
399 | } |
400 | ||
401 | /* ECOFF relocs are either against external symbols, or against | |
1049f94e | 402 | sections. If we are producing relocatable output, and the reloc |
252b5132 RH |
403 | is against an external symbol, and nothing has given us any |
404 | additional addend, the resulting reloc will also be against the | |
405 | same symbol. In such a case, we don't want to change anything | |
406 | about the way the reloc is handled, since it will all be done at | |
407 | final link time. Rather than put special case code into | |
408 | bfd_perform_relocation, all the reloc types use this howto | |
409 | function. It just short circuits the reloc if producing | |
1049f94e | 410 | relocatable output against an external symbol. */ |
252b5132 RH |
411 | |
412 | static bfd_reloc_status_type | |
413 | mips_generic_reloc (abfd, | |
414 | reloc_entry, | |
415 | symbol, | |
416 | data, | |
417 | input_section, | |
418 | output_bfd, | |
419 | error_message) | |
5f771d47 | 420 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
421 | arelent *reloc_entry; |
422 | asymbol *symbol; | |
5f771d47 | 423 | PTR data ATTRIBUTE_UNUSED; |
252b5132 RH |
424 | asection *input_section; |
425 | bfd *output_bfd; | |
5f771d47 | 426 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
427 | { |
428 | if (output_bfd != (bfd *) NULL | |
429 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
430 | && reloc_entry->addend == 0) | |
431 | { | |
432 | reloc_entry->address += input_section->output_offset; | |
433 | return bfd_reloc_ok; | |
434 | } | |
435 | ||
436 | return bfd_reloc_continue; | |
437 | } | |
438 | ||
439 | /* Do a REFHI relocation. This has to be done in combination with a | |
440 | REFLO reloc, because there is a carry from the REFLO to the REFHI. | |
441 | Here we just save the information we need; we do the actual | |
442 | relocation when we see the REFLO. MIPS ECOFF requires that the | |
443 | REFLO immediately follow the REFHI. As a GNU extension, we permit | |
444 | an arbitrary number of HI relocs to be associated with a single LO | |
445 | reloc. This extension permits gcc to output the HI and LO relocs | |
446 | itself. */ | |
447 | ||
448 | struct mips_hi | |
449 | { | |
450 | struct mips_hi *next; | |
451 | bfd_byte *addr; | |
452 | bfd_vma addend; | |
453 | }; | |
454 | ||
455 | /* FIXME: This should not be a static variable. */ | |
456 | ||
457 | static struct mips_hi *mips_refhi_list; | |
458 | ||
459 | static bfd_reloc_status_type | |
460 | mips_refhi_reloc (abfd, | |
461 | reloc_entry, | |
462 | symbol, | |
463 | data, | |
464 | input_section, | |
465 | output_bfd, | |
466 | error_message) | |
5f771d47 | 467 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
468 | arelent *reloc_entry; |
469 | asymbol *symbol; | |
470 | PTR data; | |
471 | asection *input_section; | |
472 | bfd *output_bfd; | |
5f771d47 | 473 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
474 | { |
475 | bfd_reloc_status_type ret; | |
476 | bfd_vma relocation; | |
477 | struct mips_hi *n; | |
478 | ||
479 | /* If we're relocating, and this an external symbol, we don't want | |
480 | to change anything. */ | |
481 | if (output_bfd != (bfd *) NULL | |
482 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
483 | && reloc_entry->addend == 0) | |
484 | { | |
485 | reloc_entry->address += input_section->output_offset; | |
486 | return bfd_reloc_ok; | |
487 | } | |
488 | ||
489 | ret = bfd_reloc_ok; | |
490 | if (bfd_is_und_section (symbol->section) | |
491 | && output_bfd == (bfd *) NULL) | |
492 | ret = bfd_reloc_undefined; | |
493 | ||
494 | if (bfd_is_com_section (symbol->section)) | |
495 | relocation = 0; | |
496 | else | |
497 | relocation = symbol->value; | |
498 | ||
499 | relocation += symbol->section->output_section->vma; | |
500 | relocation += symbol->section->output_offset; | |
501 | relocation += reloc_entry->addend; | |
502 | ||
07515404 | 503 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
252b5132 RH |
504 | return bfd_reloc_outofrange; |
505 | ||
506 | /* Save the information, and let REFLO do the actual relocation. */ | |
dc810e39 | 507 | n = (struct mips_hi *) bfd_malloc ((bfd_size_type) sizeof *n); |
252b5132 RH |
508 | if (n == NULL) |
509 | return bfd_reloc_outofrange; | |
510 | n->addr = (bfd_byte *) data + reloc_entry->address; | |
511 | n->addend = relocation; | |
512 | n->next = mips_refhi_list; | |
513 | mips_refhi_list = n; | |
514 | ||
515 | if (output_bfd != (bfd *) NULL) | |
516 | reloc_entry->address += input_section->output_offset; | |
517 | ||
518 | return ret; | |
519 | } | |
520 | ||
521 | /* Do a REFLO relocation. This is a straightforward 16 bit inplace | |
522 | relocation; this function exists in order to do the REFHI | |
523 | relocation described above. */ | |
524 | ||
525 | static bfd_reloc_status_type | |
526 | mips_reflo_reloc (abfd, | |
527 | reloc_entry, | |
528 | symbol, | |
529 | data, | |
530 | input_section, | |
531 | output_bfd, | |
532 | error_message) | |
533 | bfd *abfd; | |
534 | arelent *reloc_entry; | |
535 | asymbol *symbol; | |
536 | PTR data; | |
537 | asection *input_section; | |
538 | bfd *output_bfd; | |
539 | char **error_message; | |
540 | { | |
541 | if (mips_refhi_list != NULL) | |
542 | { | |
543 | struct mips_hi *l; | |
544 | ||
545 | l = mips_refhi_list; | |
546 | while (l != NULL) | |
547 | { | |
548 | unsigned long insn; | |
549 | unsigned long val; | |
550 | unsigned long vallo; | |
551 | struct mips_hi *next; | |
552 | ||
553 | /* Do the REFHI relocation. Note that we actually don't | |
554 | need to know anything about the REFLO itself, except | |
555 | where to find the low 16 bits of the addend needed by the | |
556 | REFHI. */ | |
557 | insn = bfd_get_32 (abfd, l->addr); | |
558 | vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address) | |
559 | & 0xffff); | |
560 | val = ((insn & 0xffff) << 16) + vallo; | |
561 | val += l->addend; | |
562 | ||
563 | /* The low order 16 bits are always treated as a signed | |
564 | value. Therefore, a negative value in the low order bits | |
565 | requires an adjustment in the high order bits. We need | |
566 | to make this adjustment in two ways: once for the bits we | |
567 | took from the data, and once for the bits we are putting | |
568 | back in to the data. */ | |
569 | if ((vallo & 0x8000) != 0) | |
570 | val -= 0x10000; | |
571 | if ((val & 0x8000) != 0) | |
572 | val += 0x10000; | |
573 | ||
dc810e39 AM |
574 | insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff); |
575 | bfd_put_32 (abfd, (bfd_vma) insn, l->addr); | |
252b5132 RH |
576 | |
577 | next = l->next; | |
578 | free (l); | |
579 | l = next; | |
580 | } | |
581 | ||
582 | mips_refhi_list = NULL; | |
583 | } | |
584 | ||
585 | /* Now do the REFLO reloc in the usual way. */ | |
586 | return mips_generic_reloc (abfd, reloc_entry, symbol, data, | |
587 | input_section, output_bfd, error_message); | |
588 | } | |
589 | ||
590 | /* Do a GPREL relocation. This is a 16 bit value which must become | |
591 | the offset from the gp register. */ | |
592 | ||
593 | static bfd_reloc_status_type | |
594 | mips_gprel_reloc (abfd, | |
595 | reloc_entry, | |
596 | symbol, | |
597 | data, | |
598 | input_section, | |
599 | output_bfd, | |
600 | error_message) | |
601 | bfd *abfd; | |
602 | arelent *reloc_entry; | |
603 | asymbol *symbol; | |
604 | PTR data; | |
605 | asection *input_section; | |
606 | bfd *output_bfd; | |
607 | char **error_message; | |
608 | { | |
1049f94e | 609 | bfd_boolean relocatable; |
252b5132 RH |
610 | bfd_vma gp; |
611 | bfd_vma relocation; | |
612 | unsigned long val; | |
613 | unsigned long insn; | |
614 | ||
615 | /* If we're relocating, and this is an external symbol with no | |
616 | addend, we don't want to change anything. We will only have an | |
617 | addend if this is a newly created reloc, not read from an ECOFF | |
618 | file. */ | |
619 | if (output_bfd != (bfd *) NULL | |
620 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
621 | && reloc_entry->addend == 0) | |
622 | { | |
623 | reloc_entry->address += input_section->output_offset; | |
624 | return bfd_reloc_ok; | |
625 | } | |
626 | ||
627 | if (output_bfd != (bfd *) NULL) | |
1049f94e | 628 | relocatable = TRUE; |
252b5132 RH |
629 | else |
630 | { | |
1049f94e | 631 | relocatable = FALSE; |
252b5132 RH |
632 | output_bfd = symbol->section->output_section->owner; |
633 | } | |
634 | ||
1049f94e | 635 | if (bfd_is_und_section (symbol->section) && ! relocatable) |
252b5132 RH |
636 | return bfd_reloc_undefined; |
637 | ||
638 | /* We have to figure out the gp value, so that we can adjust the | |
639 | symbol value correctly. We look up the symbol _gp in the output | |
640 | BFD. If we can't find it, we're stuck. We cache it in the ECOFF | |
641 | target data. We don't need to adjust the symbol value for an | |
1049f94e | 642 | external symbol if we are producing relocatable output. */ |
252b5132 RH |
643 | gp = _bfd_get_gp_value (output_bfd); |
644 | if (gp == 0 | |
1049f94e | 645 | && (! relocatable |
252b5132 RH |
646 | || (symbol->flags & BSF_SECTION_SYM) != 0)) |
647 | { | |
1049f94e | 648 | if (relocatable) |
252b5132 RH |
649 | { |
650 | /* Make up a value. */ | |
651 | gp = symbol->section->output_section->vma + 0x4000; | |
652 | _bfd_set_gp_value (output_bfd, gp); | |
653 | } | |
654 | else | |
655 | { | |
656 | unsigned int count; | |
657 | asymbol **sym; | |
658 | unsigned int i; | |
659 | ||
660 | count = bfd_get_symcount (output_bfd); | |
661 | sym = bfd_get_outsymbols (output_bfd); | |
662 | ||
663 | if (sym == (asymbol **) NULL) | |
664 | i = count; | |
665 | else | |
666 | { | |
667 | for (i = 0; i < count; i++, sym++) | |
668 | { | |
dc810e39 | 669 | register const char *name; |
252b5132 RH |
670 | |
671 | name = bfd_asymbol_name (*sym); | |
672 | if (*name == '_' && strcmp (name, "_gp") == 0) | |
673 | { | |
674 | gp = bfd_asymbol_value (*sym); | |
675 | _bfd_set_gp_value (output_bfd, gp); | |
676 | break; | |
677 | } | |
678 | } | |
679 | } | |
680 | ||
681 | if (i >= count) | |
682 | { | |
683 | /* Only get the error once. */ | |
684 | gp = 4; | |
685 | _bfd_set_gp_value (output_bfd, gp); | |
686 | *error_message = | |
687 | (char *) _("GP relative relocation when _gp not defined"); | |
688 | return bfd_reloc_dangerous; | |
689 | } | |
690 | } | |
691 | } | |
692 | ||
693 | if (bfd_is_com_section (symbol->section)) | |
694 | relocation = 0; | |
695 | else | |
696 | relocation = symbol->value; | |
697 | ||
698 | relocation += symbol->section->output_section->vma; | |
699 | relocation += symbol->section->output_offset; | |
700 | ||
07515404 | 701 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
252b5132 RH |
702 | return bfd_reloc_outofrange; |
703 | ||
704 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
705 | ||
706 | /* Set val to the offset into the section or symbol. */ | |
707 | val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff; | |
708 | if (val & 0x8000) | |
709 | val -= 0x10000; | |
710 | ||
711 | /* Adjust val for the final section location and GP value. If we | |
1049f94e | 712 | are producing relocatable output, we don't want to do this for |
252b5132 | 713 | an external symbol. */ |
1049f94e | 714 | if (! relocatable |
252b5132 RH |
715 | || (symbol->flags & BSF_SECTION_SYM) != 0) |
716 | val += relocation - gp; | |
717 | ||
dc810e39 AM |
718 | insn = (insn &~ (unsigned) 0xffff) | (val & 0xffff); |
719 | bfd_put_32 (abfd, (bfd_vma) insn, (bfd_byte *) data + reloc_entry->address); | |
252b5132 | 720 | |
1049f94e | 721 | if (relocatable) |
252b5132 RH |
722 | reloc_entry->address += input_section->output_offset; |
723 | ||
724 | /* Make sure it fit in 16 bits. */ | |
43cbcf28 | 725 | if ((long) val >= 0x8000 || (long) val < -0x8000) |
252b5132 RH |
726 | return bfd_reloc_overflow; |
727 | ||
728 | return bfd_reloc_ok; | |
729 | } | |
730 | ||
252b5132 RH |
731 | /* Get the howto structure for a generic reloc type. */ |
732 | ||
733 | static reloc_howto_type * | |
734 | mips_bfd_reloc_type_lookup (abfd, code) | |
5f771d47 | 735 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
736 | bfd_reloc_code_real_type code; |
737 | { | |
738 | int mips_type; | |
739 | ||
740 | switch (code) | |
741 | { | |
742 | case BFD_RELOC_16: | |
743 | mips_type = MIPS_R_REFHALF; | |
744 | break; | |
745 | case BFD_RELOC_32: | |
746 | case BFD_RELOC_CTOR: | |
747 | mips_type = MIPS_R_REFWORD; | |
748 | break; | |
749 | case BFD_RELOC_MIPS_JMP: | |
750 | mips_type = MIPS_R_JMPADDR; | |
751 | break; | |
752 | case BFD_RELOC_HI16_S: | |
753 | mips_type = MIPS_R_REFHI; | |
754 | break; | |
755 | case BFD_RELOC_LO16: | |
756 | mips_type = MIPS_R_REFLO; | |
757 | break; | |
cdf6fd85 | 758 | case BFD_RELOC_GPREL16: |
252b5132 RH |
759 | mips_type = MIPS_R_GPREL; |
760 | break; | |
761 | case BFD_RELOC_MIPS_LITERAL: | |
762 | mips_type = MIPS_R_LITERAL; | |
763 | break; | |
764 | case BFD_RELOC_16_PCREL_S2: | |
765 | mips_type = MIPS_R_PCREL16; | |
766 | break; | |
252b5132 RH |
767 | default: |
768 | return (reloc_howto_type *) NULL; | |
769 | } | |
770 | ||
771 | return &mips_howto_table[mips_type]; | |
772 | } | |
157090f7 AM |
773 | |
774 | static reloc_howto_type * | |
775 | mips_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
776 | const char *r_name) | |
777 | { | |
778 | unsigned int i; | |
779 | ||
780 | for (i = 0; | |
781 | i < sizeof (mips_howto_table) / sizeof (mips_howto_table[0]); | |
782 | i++) | |
783 | if (mips_howto_table[i].name != NULL | |
784 | && strcasecmp (mips_howto_table[i].name, r_name) == 0) | |
785 | return &mips_howto_table[i]; | |
786 | ||
787 | return NULL; | |
788 | } | |
252b5132 RH |
789 | \f |
790 | /* A helper routine for mips_relocate_section which handles the REFHI | |
3e27568f CD |
791 | relocations. The REFHI relocation must be followed by a REFLO |
792 | relocation, and the addend used is formed from the addends of both | |
793 | instructions. */ | |
252b5132 RH |
794 | |
795 | static void | |
3e27568f CD |
796 | mips_relocate_hi (refhi, reflo, input_bfd, input_section, contents, |
797 | relocation) | |
252b5132 RH |
798 | struct internal_reloc *refhi; |
799 | struct internal_reloc *reflo; | |
800 | bfd *input_bfd; | |
801 | asection *input_section; | |
802 | bfd_byte *contents; | |
252b5132 | 803 | bfd_vma relocation; |
252b5132 RH |
804 | { |
805 | unsigned long insn; | |
806 | unsigned long val; | |
807 | unsigned long vallo; | |
808 | ||
809 | if (refhi == NULL) | |
810 | return; | |
b48499ec | 811 | |
252b5132 | 812 | insn = bfd_get_32 (input_bfd, |
3e27568f | 813 | contents + refhi->r_vaddr - input_section->vma); |
252b5132 RH |
814 | if (reflo == NULL) |
815 | vallo = 0; | |
816 | else | |
817 | vallo = (bfd_get_32 (input_bfd, | |
3e27568f | 818 | contents + reflo->r_vaddr - input_section->vma) |
252b5132 | 819 | & 0xffff); |
b48499ec | 820 | |
252b5132 RH |
821 | val = ((insn & 0xffff) << 16) + vallo; |
822 | val += relocation; | |
823 | ||
824 | /* The low order 16 bits are always treated as a signed value. | |
825 | Therefore, a negative value in the low order bits requires an | |
826 | adjustment in the high order bits. We need to make this | |
827 | adjustment in two ways: once for the bits we took from the data, | |
828 | and once for the bits we are putting back in to the data. */ | |
829 | if ((vallo & 0x8000) != 0) | |
830 | val -= 0x10000; | |
831 | ||
252b5132 RH |
832 | if ((val & 0x8000) != 0) |
833 | val += 0x10000; | |
834 | ||
dc810e39 | 835 | insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff); |
252b5132 | 836 | bfd_put_32 (input_bfd, (bfd_vma) insn, |
3e27568f | 837 | contents + refhi->r_vaddr - input_section->vma); |
252b5132 RH |
838 | } |
839 | ||
840 | /* Relocate a section while linking a MIPS ECOFF file. */ | |
841 | ||
b34976b6 | 842 | static bfd_boolean |
252b5132 RH |
843 | mips_relocate_section (output_bfd, info, input_bfd, input_section, |
844 | contents, external_relocs) | |
845 | bfd *output_bfd; | |
846 | struct bfd_link_info *info; | |
847 | bfd *input_bfd; | |
848 | asection *input_section; | |
849 | bfd_byte *contents; | |
850 | PTR external_relocs; | |
851 | { | |
852 | asection **symndx_to_section; | |
853 | struct ecoff_link_hash_entry **sym_hashes; | |
854 | bfd_vma gp; | |
b34976b6 | 855 | bfd_boolean gp_undefined; |
252b5132 RH |
856 | struct external_reloc *ext_rel; |
857 | struct external_reloc *ext_rel_end; | |
858 | unsigned int i; | |
b34976b6 | 859 | bfd_boolean got_lo; |
252b5132 | 860 | struct internal_reloc lo_int_rel; |
dc810e39 | 861 | bfd_size_type amt; |
252b5132 RH |
862 | |
863 | BFD_ASSERT (input_bfd->xvec->byteorder | |
864 | == output_bfd->xvec->byteorder); | |
865 | ||
866 | /* We keep a table mapping the symndx found in an internal reloc to | |
867 | the appropriate section. This is faster than looking up the | |
868 | section by name each time. */ | |
869 | symndx_to_section = ecoff_data (input_bfd)->symndx_to_section; | |
870 | if (symndx_to_section == (asection **) NULL) | |
871 | { | |
dc810e39 AM |
872 | amt = NUM_RELOC_SECTIONS * sizeof (asection *); |
873 | symndx_to_section = (asection **) bfd_alloc (input_bfd, amt); | |
252b5132 | 874 | if (!symndx_to_section) |
b34976b6 | 875 | return FALSE; |
252b5132 RH |
876 | |
877 | symndx_to_section[RELOC_SECTION_NONE] = NULL; | |
878 | symndx_to_section[RELOC_SECTION_TEXT] = | |
879 | bfd_get_section_by_name (input_bfd, ".text"); | |
880 | symndx_to_section[RELOC_SECTION_RDATA] = | |
881 | bfd_get_section_by_name (input_bfd, ".rdata"); | |
882 | symndx_to_section[RELOC_SECTION_DATA] = | |
883 | bfd_get_section_by_name (input_bfd, ".data"); | |
884 | symndx_to_section[RELOC_SECTION_SDATA] = | |
885 | bfd_get_section_by_name (input_bfd, ".sdata"); | |
886 | symndx_to_section[RELOC_SECTION_SBSS] = | |
887 | bfd_get_section_by_name (input_bfd, ".sbss"); | |
888 | symndx_to_section[RELOC_SECTION_BSS] = | |
889 | bfd_get_section_by_name (input_bfd, ".bss"); | |
890 | symndx_to_section[RELOC_SECTION_INIT] = | |
891 | bfd_get_section_by_name (input_bfd, ".init"); | |
892 | symndx_to_section[RELOC_SECTION_LIT8] = | |
893 | bfd_get_section_by_name (input_bfd, ".lit8"); | |
894 | symndx_to_section[RELOC_SECTION_LIT4] = | |
895 | bfd_get_section_by_name (input_bfd, ".lit4"); | |
896 | symndx_to_section[RELOC_SECTION_XDATA] = NULL; | |
897 | symndx_to_section[RELOC_SECTION_PDATA] = NULL; | |
898 | symndx_to_section[RELOC_SECTION_FINI] = | |
899 | bfd_get_section_by_name (input_bfd, ".fini"); | |
900 | symndx_to_section[RELOC_SECTION_LITA] = NULL; | |
901 | symndx_to_section[RELOC_SECTION_ABS] = NULL; | |
902 | ||
903 | ecoff_data (input_bfd)->symndx_to_section = symndx_to_section; | |
904 | } | |
905 | ||
906 | sym_hashes = ecoff_data (input_bfd)->sym_hashes; | |
907 | ||
908 | gp = _bfd_get_gp_value (output_bfd); | |
909 | if (gp == 0) | |
b34976b6 | 910 | gp_undefined = TRUE; |
252b5132 | 911 | else |
b34976b6 | 912 | gp_undefined = FALSE; |
252b5132 | 913 | |
b34976b6 | 914 | got_lo = FALSE; |
252b5132 | 915 | |
252b5132 RH |
916 | ext_rel = (struct external_reloc *) external_relocs; |
917 | ext_rel_end = ext_rel + input_section->reloc_count; | |
918 | for (i = 0; ext_rel < ext_rel_end; ext_rel++, i++) | |
919 | { | |
920 | struct internal_reloc int_rel; | |
b34976b6 | 921 | bfd_boolean use_lo = FALSE; |
252b5132 RH |
922 | bfd_vma addend; |
923 | reloc_howto_type *howto; | |
924 | struct ecoff_link_hash_entry *h = NULL; | |
925 | asection *s = NULL; | |
926 | bfd_vma relocation; | |
927 | bfd_reloc_status_type r; | |
928 | ||
929 | if (! got_lo) | |
930 | mips_ecoff_swap_reloc_in (input_bfd, (PTR) ext_rel, &int_rel); | |
931 | else | |
932 | { | |
933 | int_rel = lo_int_rel; | |
b34976b6 | 934 | got_lo = FALSE; |
252b5132 RH |
935 | } |
936 | ||
937 | BFD_ASSERT (int_rel.r_type | |
938 | < sizeof mips_howto_table / sizeof mips_howto_table[0]); | |
939 | ||
3e27568f CD |
940 | /* The REFHI reloc requires special handling. It must be followed |
941 | by a REFLO reloc, and the addend is formed from both relocs. */ | |
942 | if (int_rel.r_type == MIPS_R_REFHI) | |
252b5132 RH |
943 | { |
944 | struct external_reloc *lo_ext_rel; | |
945 | ||
946 | /* As a GNU extension, permit an arbitrary number of REFHI | |
3e27568f CD |
947 | relocs before the REFLO reloc. This permits gcc to emit |
948 | the HI and LO relocs itself. */ | |
252b5132 RH |
949 | for (lo_ext_rel = ext_rel + 1; |
950 | lo_ext_rel < ext_rel_end; | |
951 | lo_ext_rel++) | |
952 | { | |
953 | mips_ecoff_swap_reloc_in (input_bfd, (PTR) lo_ext_rel, | |
954 | &lo_int_rel); | |
955 | if (lo_int_rel.r_type != int_rel.r_type) | |
956 | break; | |
957 | } | |
958 | ||
959 | if (lo_ext_rel < ext_rel_end | |
3e27568f | 960 | && lo_int_rel.r_type == MIPS_R_REFLO |
252b5132 RH |
961 | && int_rel.r_extern == lo_int_rel.r_extern |
962 | && int_rel.r_symndx == lo_int_rel.r_symndx) | |
963 | { | |
b34976b6 | 964 | use_lo = TRUE; |
252b5132 | 965 | if (lo_ext_rel == ext_rel + 1) |
b34976b6 | 966 | got_lo = TRUE; |
252b5132 RH |
967 | } |
968 | } | |
969 | ||
970 | howto = &mips_howto_table[int_rel.r_type]; | |
971 | ||
252b5132 RH |
972 | if (int_rel.r_extern) |
973 | { | |
974 | h = sym_hashes[int_rel.r_symndx]; | |
975 | /* If h is NULL, that means that there is a reloc against an | |
976 | external symbol which we thought was just a debugging | |
977 | symbol. This should not happen. */ | |
978 | if (h == (struct ecoff_link_hash_entry *) NULL) | |
979 | abort (); | |
980 | } | |
981 | else | |
982 | { | |
983 | if (int_rel.r_symndx < 0 || int_rel.r_symndx >= NUM_RELOC_SECTIONS) | |
984 | s = NULL; | |
985 | else | |
986 | s = symndx_to_section[int_rel.r_symndx]; | |
987 | ||
988 | if (s == (asection *) NULL) | |
989 | abort (); | |
990 | } | |
991 | ||
992 | /* The GPREL reloc uses an addend: the difference in the GP | |
993 | values. */ | |
994 | if (int_rel.r_type != MIPS_R_GPREL | |
995 | && int_rel.r_type != MIPS_R_LITERAL) | |
996 | addend = 0; | |
997 | else | |
998 | { | |
999 | if (gp_undefined) | |
1000 | { | |
1001 | if (! ((*info->callbacks->reloc_dangerous) | |
cc9ff76a | 1002 | (info, _("GP relative relocation used when GP not defined"), |
252b5132 RH |
1003 | input_bfd, input_section, |
1004 | int_rel.r_vaddr - input_section->vma))) | |
b34976b6 | 1005 | return FALSE; |
252b5132 RH |
1006 | /* Only give the error once per link. */ |
1007 | gp = 4; | |
1008 | _bfd_set_gp_value (output_bfd, gp); | |
b34976b6 | 1009 | gp_undefined = FALSE; |
252b5132 RH |
1010 | } |
1011 | if (! int_rel.r_extern) | |
1012 | { | |
1013 | /* This is a relocation against a section. The current | |
1014 | addend in the instruction is the difference between | |
1015 | INPUT_SECTION->vma and the GP value of INPUT_BFD. We | |
1016 | must change this to be the difference between the | |
1017 | final definition (which will end up in RELOCATION) | |
1018 | and the GP value of OUTPUT_BFD (which is in GP). */ | |
1019 | addend = ecoff_data (input_bfd)->gp - gp; | |
1020 | } | |
1049f94e | 1021 | else if (! info->relocatable |
252b5132 RH |
1022 | || h->root.type == bfd_link_hash_defined |
1023 | || h->root.type == bfd_link_hash_defweak) | |
1024 | { | |
1025 | /* This is a relocation against a defined symbol. The | |
1026 | current addend in the instruction is simply the | |
1027 | desired offset into the symbol (normally zero). We | |
1028 | are going to change this into a relocation against a | |
1029 | defined symbol, so we want the instruction to hold | |
1030 | the difference between the final definition of the | |
1031 | symbol (which will end up in RELOCATION) and the GP | |
1032 | value of OUTPUT_BFD (which is in GP). */ | |
1033 | addend = - gp; | |
1034 | } | |
1035 | else | |
1036 | { | |
1037 | /* This is a relocation against an undefined or common | |
1038 | symbol. The current addend in the instruction is | |
1039 | simply the desired offset into the symbol (normally | |
1049f94e | 1040 | zero). We are generating relocatable output, and we |
252b5132 RH |
1041 | aren't going to define this symbol, so we just leave |
1042 | the instruction alone. */ | |
1043 | addend = 0; | |
1044 | } | |
1045 | } | |
1046 | ||
1049f94e | 1047 | if (info->relocatable) |
252b5132 | 1048 | { |
1049f94e | 1049 | /* We are generating relocatable output, and must convert |
252b5132 RH |
1050 | the existing reloc. */ |
1051 | if (int_rel.r_extern) | |
1052 | { | |
1053 | if ((h->root.type == bfd_link_hash_defined | |
1054 | || h->root.type == bfd_link_hash_defweak) | |
1055 | && ! bfd_is_abs_section (h->root.u.def.section)) | |
1056 | { | |
1057 | const char *name; | |
1058 | ||
1059 | /* This symbol is defined in the output. Convert | |
1060 | the reloc from being against the symbol to being | |
1061 | against the section. */ | |
1062 | ||
1063 | /* Clear the r_extern bit. */ | |
1064 | int_rel.r_extern = 0; | |
1065 | ||
1066 | /* Compute a new r_symndx value. */ | |
1067 | s = h->root.u.def.section; | |
1068 | name = bfd_get_section_name (output_bfd, | |
1069 | s->output_section); | |
1070 | ||
1071 | int_rel.r_symndx = -1; | |
1072 | switch (name[1]) | |
1073 | { | |
1074 | case 'b': | |
1075 | if (strcmp (name, ".bss") == 0) | |
1076 | int_rel.r_symndx = RELOC_SECTION_BSS; | |
1077 | break; | |
1078 | case 'd': | |
1079 | if (strcmp (name, ".data") == 0) | |
1080 | int_rel.r_symndx = RELOC_SECTION_DATA; | |
1081 | break; | |
1082 | case 'f': | |
1083 | if (strcmp (name, ".fini") == 0) | |
1084 | int_rel.r_symndx = RELOC_SECTION_FINI; | |
1085 | break; | |
1086 | case 'i': | |
1087 | if (strcmp (name, ".init") == 0) | |
1088 | int_rel.r_symndx = RELOC_SECTION_INIT; | |
1089 | break; | |
1090 | case 'l': | |
1091 | if (strcmp (name, ".lit8") == 0) | |
1092 | int_rel.r_symndx = RELOC_SECTION_LIT8; | |
1093 | else if (strcmp (name, ".lit4") == 0) | |
1094 | int_rel.r_symndx = RELOC_SECTION_LIT4; | |
1095 | break; | |
1096 | case 'r': | |
1097 | if (strcmp (name, ".rdata") == 0) | |
1098 | int_rel.r_symndx = RELOC_SECTION_RDATA; | |
1099 | break; | |
1100 | case 's': | |
1101 | if (strcmp (name, ".sdata") == 0) | |
1102 | int_rel.r_symndx = RELOC_SECTION_SDATA; | |
1103 | else if (strcmp (name, ".sbss") == 0) | |
1104 | int_rel.r_symndx = RELOC_SECTION_SBSS; | |
1105 | break; | |
1106 | case 't': | |
1107 | if (strcmp (name, ".text") == 0) | |
1108 | int_rel.r_symndx = RELOC_SECTION_TEXT; | |
1109 | break; | |
1110 | } | |
b48499ec | 1111 | |
252b5132 RH |
1112 | if (int_rel.r_symndx == -1) |
1113 | abort (); | |
1114 | ||
1115 | /* Add the section VMA and the symbol value. */ | |
1116 | relocation = (h->root.u.def.value | |
1117 | + s->output_section->vma | |
1118 | + s->output_offset); | |
1119 | ||
1120 | /* For a PC relative relocation, the object file | |
1121 | currently holds just the addend. We must adjust | |
1122 | by the address to get the right value. */ | |
1123 | if (howto->pc_relative) | |
3e27568f | 1124 | relocation -= int_rel.r_vaddr - input_section->vma; |
252b5132 RH |
1125 | |
1126 | h = NULL; | |
1127 | } | |
1128 | else | |
1129 | { | |
1130 | /* Change the symndx value to the right one for the | |
1131 | output BFD. */ | |
1132 | int_rel.r_symndx = h->indx; | |
1133 | if (int_rel.r_symndx == -1) | |
1134 | { | |
1135 | /* This symbol is not being written out. */ | |
1136 | if (! ((*info->callbacks->unattached_reloc) | |
1137 | (info, h->root.root.string, input_bfd, | |
1138 | input_section, | |
1139 | int_rel.r_vaddr - input_section->vma))) | |
b34976b6 | 1140 | return FALSE; |
252b5132 RH |
1141 | int_rel.r_symndx = 0; |
1142 | } | |
1143 | relocation = 0; | |
1144 | } | |
1145 | } | |
1146 | else | |
1147 | { | |
1148 | /* This is a relocation against a section. Adjust the | |
1149 | value by the amount the section moved. */ | |
1150 | relocation = (s->output_section->vma | |
1151 | + s->output_offset | |
1152 | - s->vma); | |
1153 | } | |
1154 | ||
1155 | relocation += addend; | |
1156 | addend = 0; | |
1157 | ||
1158 | /* Adjust a PC relative relocation by removing the reference | |
1159 | to the original address in the section and including the | |
3e27568f CD |
1160 | reference to the new address. */ |
1161 | if (howto->pc_relative) | |
252b5132 RH |
1162 | relocation -= (input_section->output_section->vma |
1163 | + input_section->output_offset | |
1164 | - input_section->vma); | |
1165 | ||
1166 | /* Adjust the contents. */ | |
1167 | if (relocation == 0) | |
1168 | r = bfd_reloc_ok; | |
1169 | else | |
1170 | { | |
3e27568f | 1171 | if (int_rel.r_type != MIPS_R_REFHI) |
252b5132 RH |
1172 | r = _bfd_relocate_contents (howto, input_bfd, relocation, |
1173 | (contents | |
252b5132 RH |
1174 | + int_rel.r_vaddr |
1175 | - input_section->vma)); | |
1176 | else | |
1177 | { | |
1178 | mips_relocate_hi (&int_rel, | |
1179 | use_lo ? &lo_int_rel : NULL, | |
1180 | input_bfd, input_section, contents, | |
3e27568f | 1181 | relocation); |
252b5132 RH |
1182 | r = bfd_reloc_ok; |
1183 | } | |
1184 | } | |
1185 | ||
1186 | /* Adjust the reloc address. */ | |
1187 | int_rel.r_vaddr += (input_section->output_section->vma | |
1188 | + input_section->output_offset | |
1189 | - input_section->vma); | |
1190 | ||
1191 | /* Save the changed reloc information. */ | |
1192 | mips_ecoff_swap_reloc_out (input_bfd, &int_rel, (PTR) ext_rel); | |
1193 | } | |
1194 | else | |
1195 | { | |
1196 | /* We are producing a final executable. */ | |
1197 | if (int_rel.r_extern) | |
1198 | { | |
1199 | /* This is a reloc against a symbol. */ | |
1200 | if (h->root.type == bfd_link_hash_defined | |
1201 | || h->root.type == bfd_link_hash_defweak) | |
1202 | { | |
1203 | asection *hsec; | |
1204 | ||
1205 | hsec = h->root.u.def.section; | |
1206 | relocation = (h->root.u.def.value | |
1207 | + hsec->output_section->vma | |
1208 | + hsec->output_offset); | |
1209 | } | |
1210 | else | |
1211 | { | |
1212 | if (! ((*info->callbacks->undefined_symbol) | |
1213 | (info, h->root.root.string, input_bfd, | |
1214 | input_section, | |
b34976b6 AM |
1215 | int_rel.r_vaddr - input_section->vma, TRUE))) |
1216 | return FALSE; | |
252b5132 RH |
1217 | relocation = 0; |
1218 | } | |
1219 | } | |
1220 | else | |
1221 | { | |
1222 | /* This is a reloc against a section. */ | |
1223 | relocation = (s->output_section->vma | |
1224 | + s->output_offset | |
1225 | - s->vma); | |
1226 | ||
1227 | /* A PC relative reloc is already correct in the object | |
1228 | file. Make it look like a pcrel_offset relocation by | |
1229 | adding in the start address. */ | |
1230 | if (howto->pc_relative) | |
3e27568f | 1231 | relocation += int_rel.r_vaddr; |
252b5132 RH |
1232 | } |
1233 | ||
3e27568f | 1234 | if (int_rel.r_type != MIPS_R_REFHI) |
252b5132 RH |
1235 | r = _bfd_final_link_relocate (howto, |
1236 | input_bfd, | |
1237 | input_section, | |
1238 | contents, | |
1239 | (int_rel.r_vaddr | |
3e27568f | 1240 | - input_section->vma), |
252b5132 RH |
1241 | relocation, |
1242 | addend); | |
1243 | else | |
1244 | { | |
1245 | mips_relocate_hi (&int_rel, | |
1246 | use_lo ? &lo_int_rel : NULL, | |
3e27568f CD |
1247 | input_bfd, input_section, contents, |
1248 | relocation); | |
252b5132 RH |
1249 | r = bfd_reloc_ok; |
1250 | } | |
1251 | } | |
1252 | ||
1253 | /* MIPS_R_JMPADDR requires peculiar overflow detection. The | |
1254 | instruction provides a 28 bit address (the two lower bits are | |
1255 | implicit zeroes) which is combined with the upper four bits | |
1256 | of the instruction address. */ | |
1257 | if (r == bfd_reloc_ok | |
1258 | && int_rel.r_type == MIPS_R_JMPADDR | |
1259 | && (((relocation | |
1260 | + addend | |
1261 | + (int_rel.r_extern ? 0 : s->vma)) | |
1262 | & 0xf0000000) | |
1263 | != ((input_section->output_section->vma | |
1264 | + input_section->output_offset | |
3e27568f | 1265 | + (int_rel.r_vaddr - input_section->vma)) |
252b5132 RH |
1266 | & 0xf0000000))) |
1267 | r = bfd_reloc_overflow; | |
1268 | ||
1269 | if (r != bfd_reloc_ok) | |
1270 | { | |
1271 | switch (r) | |
1272 | { | |
1273 | default: | |
1274 | case bfd_reloc_outofrange: | |
1275 | abort (); | |
1276 | case bfd_reloc_overflow: | |
1277 | { | |
1278 | const char *name; | |
1279 | ||
1280 | if (int_rel.r_extern) | |
dfeffb9f | 1281 | name = NULL; |
252b5132 RH |
1282 | else |
1283 | name = bfd_section_name (input_bfd, s); | |
1284 | if (! ((*info->callbacks->reloc_overflow) | |
dfeffb9f L |
1285 | (info, (h ? &h->root : NULL), name, howto->name, |
1286 | (bfd_vma) 0, input_bfd, input_section, | |
252b5132 | 1287 | int_rel.r_vaddr - input_section->vma))) |
b34976b6 | 1288 | return FALSE; |
252b5132 RH |
1289 | } |
1290 | break; | |
1291 | } | |
1292 | } | |
1293 | } | |
1294 | ||
b34976b6 | 1295 | return TRUE; |
252b5132 RH |
1296 | } |
1297 | \f | |
252b5132 RH |
1298 | /* This is the ECOFF backend structure. The backend field of the |
1299 | target vector points to this. */ | |
1300 | ||
1301 | static const struct ecoff_backend_data mips_ecoff_backend_data = | |
1302 | { | |
1303 | /* COFF backend structure. */ | |
1304 | { | |
1305 | (void (*) PARAMS ((bfd *,PTR,int,int,int,int,PTR))) bfd_void, /* aux_in */ | |
1306 | (void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_in */ | |
1307 | (void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_in */ | |
1308 | (unsigned (*) PARAMS ((bfd *,PTR,int,int,int,int,PTR)))bfd_void,/*aux_out*/ | |
1309 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_out */ | |
1310 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_out */ | |
1311 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* reloc_out */ | |
1312 | mips_ecoff_swap_filehdr_out, mips_ecoff_swap_aouthdr_out, | |
1313 | mips_ecoff_swap_scnhdr_out, | |
b34976b6 | 1314 | FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, FILNMLEN, TRUE, FALSE, 4, FALSE, 2, |
252b5132 RH |
1315 | mips_ecoff_swap_filehdr_in, mips_ecoff_swap_aouthdr_in, |
1316 | mips_ecoff_swap_scnhdr_in, NULL, | |
1317 | mips_ecoff_bad_format_hook, _bfd_ecoff_set_arch_mach_hook, | |
1318 | _bfd_ecoff_mkobject_hook, _bfd_ecoff_styp_to_sec_flags, | |
1319 | _bfd_ecoff_set_alignment_hook, _bfd_ecoff_slurp_symbol_table, | |
5f771d47 ILT |
1320 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
1321 | NULL, NULL | |
252b5132 RH |
1322 | }, |
1323 | /* Supported architecture. */ | |
1324 | bfd_arch_mips, | |
1325 | /* Initial portion of armap string. */ | |
1326 | "__________", | |
1327 | /* The page boundary used to align sections in a demand-paged | |
1328 | executable file. E.g., 0x1000. */ | |
1329 | 0x1000, | |
b34976b6 AM |
1330 | /* TRUE if the .rdata section is part of the text segment, as on the |
1331 | Alpha. FALSE if .rdata is part of the data segment, as on the | |
252b5132 | 1332 | MIPS. */ |
b34976b6 | 1333 | FALSE, |
252b5132 RH |
1334 | /* Bitsize of constructor entries. */ |
1335 | 32, | |
1336 | /* Reloc to use for constructor entries. */ | |
1337 | &mips_howto_table[MIPS_R_REFWORD], | |
1338 | { | |
1339 | /* Symbol table magic number. */ | |
1340 | magicSym, | |
1341 | /* Alignment of debugging information. E.g., 4. */ | |
1342 | 4, | |
1343 | /* Sizes of external symbolic information. */ | |
1344 | sizeof (struct hdr_ext), | |
1345 | sizeof (struct dnr_ext), | |
1346 | sizeof (struct pdr_ext), | |
1347 | sizeof (struct sym_ext), | |
1348 | sizeof (struct opt_ext), | |
1349 | sizeof (struct fdr_ext), | |
1350 | sizeof (struct rfd_ext), | |
1351 | sizeof (struct ext_ext), | |
1352 | /* Functions to swap in external symbolic data. */ | |
1353 | ecoff_swap_hdr_in, | |
1354 | ecoff_swap_dnr_in, | |
1355 | ecoff_swap_pdr_in, | |
1356 | ecoff_swap_sym_in, | |
1357 | ecoff_swap_opt_in, | |
1358 | ecoff_swap_fdr_in, | |
1359 | ecoff_swap_rfd_in, | |
1360 | ecoff_swap_ext_in, | |
1361 | _bfd_ecoff_swap_tir_in, | |
1362 | _bfd_ecoff_swap_rndx_in, | |
1363 | /* Functions to swap out external symbolic data. */ | |
1364 | ecoff_swap_hdr_out, | |
1365 | ecoff_swap_dnr_out, | |
1366 | ecoff_swap_pdr_out, | |
1367 | ecoff_swap_sym_out, | |
1368 | ecoff_swap_opt_out, | |
1369 | ecoff_swap_fdr_out, | |
1370 | ecoff_swap_rfd_out, | |
1371 | ecoff_swap_ext_out, | |
1372 | _bfd_ecoff_swap_tir_out, | |
1373 | _bfd_ecoff_swap_rndx_out, | |
1374 | /* Function to read in symbolic data. */ | |
1375 | _bfd_ecoff_slurp_symbolic_info | |
1376 | }, | |
1377 | /* External reloc size. */ | |
1378 | RELSZ, | |
1379 | /* Reloc swapping functions. */ | |
1380 | mips_ecoff_swap_reloc_in, | |
1381 | mips_ecoff_swap_reloc_out, | |
1382 | /* Backend reloc tweaking. */ | |
1383 | mips_adjust_reloc_in, | |
1384 | mips_adjust_reloc_out, | |
1385 | /* Relocate section contents while linking. */ | |
1386 | mips_relocate_section, | |
1387 | /* Do final adjustments to filehdr and aouthdr. */ | |
1388 | NULL, | |
1389 | /* Read an element from an archive at a given file position. */ | |
1390 | _bfd_get_elt_at_filepos | |
1391 | }; | |
1392 | ||
1393 | /* Looking up a reloc type is MIPS specific. */ | |
1394 | #define _bfd_ecoff_bfd_reloc_type_lookup mips_bfd_reloc_type_lookup | |
157090f7 | 1395 | #define _bfd_ecoff_bfd_reloc_name_lookup mips_bfd_reloc_name_lookup |
252b5132 RH |
1396 | |
1397 | /* Getting relocated section contents is generic. */ | |
1398 | #define _bfd_ecoff_bfd_get_relocated_section_contents \ | |
1399 | bfd_generic_get_relocated_section_contents | |
1400 | ||
1401 | /* Handling file windows is generic. */ | |
1402 | #define _bfd_ecoff_get_section_contents_in_window \ | |
1403 | _bfd_generic_get_section_contents_in_window | |
1404 | ||
1405 | /* Relaxing sections is MIPS specific. */ | |
3e27568f | 1406 | #define _bfd_ecoff_bfd_relax_section bfd_generic_relax_section |
252b5132 RH |
1407 | |
1408 | /* GC of sections is not done. */ | |
1409 | #define _bfd_ecoff_bfd_gc_sections bfd_generic_gc_sections | |
1410 | ||
8550eb6e JJ |
1411 | /* Merging of sections is not done. */ |
1412 | #define _bfd_ecoff_bfd_merge_sections bfd_generic_merge_sections | |
1413 | ||
72adc230 | 1414 | #define _bfd_ecoff_bfd_is_group_section bfd_generic_is_group_section |
e61463e1 | 1415 | #define _bfd_ecoff_bfd_discard_group bfd_generic_discard_group |
082b7297 L |
1416 | #define _bfd_ecoff_section_already_linked \ |
1417 | _bfd_generic_section_already_linked | |
e61463e1 | 1418 | |
c3c89269 NC |
1419 | extern const bfd_target ecoff_big_vec; |
1420 | ||
252b5132 RH |
1421 | const bfd_target ecoff_little_vec = |
1422 | { | |
1423 | "ecoff-littlemips", /* name */ | |
1424 | bfd_target_ecoff_flavour, | |
1425 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
1426 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
1427 | ||
1428 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1429 | HAS_LINENO | HAS_DEBUG | | |
1430 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
1431 | ||
1432 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1433 | 0, /* leading underscore */ | |
1434 | ' ', /* ar_pad_char */ | |
1435 | 15, /* ar_max_namelen */ | |
1436 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1437 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1438 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1439 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1440 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1441 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
1442 | ||
1443 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
1444 | _bfd_ecoff_archive_p, _bfd_dummy_target}, | |
1445 | {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */ | |
1446 | _bfd_generic_mkarchive, bfd_false}, | |
1447 | {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */ | |
1448 | _bfd_write_archive_contents, bfd_false}, | |
1449 | ||
1450 | BFD_JUMP_TABLE_GENERIC (_bfd_ecoff), | |
1451 | BFD_JUMP_TABLE_COPY (_bfd_ecoff), | |
1452 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1453 | BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff), | |
1454 | BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff), | |
1455 | BFD_JUMP_TABLE_RELOCS (_bfd_ecoff), | |
1456 | BFD_JUMP_TABLE_WRITE (_bfd_ecoff), | |
1457 | BFD_JUMP_TABLE_LINK (_bfd_ecoff), | |
1458 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1459 | ||
c3c89269 | 1460 | & ecoff_big_vec, |
b48499ec | 1461 | |
252b5132 RH |
1462 | (PTR) &mips_ecoff_backend_data |
1463 | }; | |
1464 | ||
1465 | const bfd_target ecoff_big_vec = | |
1466 | { | |
1467 | "ecoff-bigmips", /* name */ | |
1468 | bfd_target_ecoff_flavour, | |
1469 | BFD_ENDIAN_BIG, /* data byte order is big */ | |
1470 | BFD_ENDIAN_BIG, /* header byte order is big */ | |
1471 | ||
1472 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1473 | HAS_LINENO | HAS_DEBUG | | |
1474 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
1475 | ||
1476 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1477 | 0, /* leading underscore */ | |
1478 | ' ', /* ar_pad_char */ | |
1479 | 15, /* ar_max_namelen */ | |
1480 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1481 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1482 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
1483 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1484 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1485 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
1486 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
1487 | _bfd_ecoff_archive_p, _bfd_dummy_target}, | |
1488 | {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */ | |
1489 | _bfd_generic_mkarchive, bfd_false}, | |
1490 | {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */ | |
1491 | _bfd_write_archive_contents, bfd_false}, | |
1492 | ||
1493 | BFD_JUMP_TABLE_GENERIC (_bfd_ecoff), | |
1494 | BFD_JUMP_TABLE_COPY (_bfd_ecoff), | |
1495 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1496 | BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff), | |
1497 | BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff), | |
1498 | BFD_JUMP_TABLE_RELOCS (_bfd_ecoff), | |
1499 | BFD_JUMP_TABLE_WRITE (_bfd_ecoff), | |
1500 | BFD_JUMP_TABLE_LINK (_bfd_ecoff), | |
1501 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1502 | ||
c3c89269 | 1503 | & ecoff_little_vec, |
b48499ec | 1504 | |
252b5132 RH |
1505 | (PTR) &mips_ecoff_backend_data |
1506 | }; | |
1507 | ||
1508 | const bfd_target ecoff_biglittle_vec = | |
1509 | { | |
1510 | "ecoff-biglittlemips", /* name */ | |
1511 | bfd_target_ecoff_flavour, | |
1512 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
1513 | BFD_ENDIAN_BIG, /* header byte order is big */ | |
1514 | ||
1515 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1516 | HAS_LINENO | HAS_DEBUG | | |
1517 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
1518 | ||
1519 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1520 | 0, /* leading underscore */ | |
1521 | ' ', /* ar_pad_char */ | |
1522 | 15, /* ar_max_namelen */ | |
1523 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1524 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1525 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1526 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1527 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1528 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1529 | ||
1530 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
1531 | _bfd_ecoff_archive_p, _bfd_dummy_target}, | |
1532 | {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */ | |
1533 | _bfd_generic_mkarchive, bfd_false}, | |
1534 | {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */ | |
1535 | _bfd_write_archive_contents, bfd_false}, | |
1536 | ||
1537 | BFD_JUMP_TABLE_GENERIC (_bfd_ecoff), | |
1538 | BFD_JUMP_TABLE_COPY (_bfd_ecoff), | |
1539 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1540 | BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff), | |
1541 | BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff), | |
1542 | BFD_JUMP_TABLE_RELOCS (_bfd_ecoff), | |
1543 | BFD_JUMP_TABLE_WRITE (_bfd_ecoff), | |
1544 | BFD_JUMP_TABLE_LINK (_bfd_ecoff), | |
1545 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1546 | ||
c3c89269 | 1547 | NULL, |
b48499ec | 1548 | |
252b5132 RH |
1549 | (PTR) &mips_ecoff_backend_data |
1550 | }; |