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252b5132 | 1 | /* BFD back-end for MIPS Extended-Coff files. |
4b95cf5c | 2 | Copyright (C) 1990-2014 Free Software Foundation, Inc. |
252b5132 RH |
3 | Original version by Per Bothner. |
4 | Full support added by Ian Lance Taylor, ian@cygnus.com. | |
5 | ||
cd123cb7 | 6 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 7 | |
cd123cb7 NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
252b5132 | 12 | |
cd123cb7 NC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
252b5132 | 17 | |
cd123cb7 NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | MA 02110-1301, USA. */ | |
252b5132 | 22 | |
252b5132 | 23 | #include "sysdep.h" |
3db64b00 | 24 | #include "bfd.h" |
252b5132 RH |
25 | #include "bfdlink.h" |
26 | #include "libbfd.h" | |
27 | #include "coff/internal.h" | |
28 | #include "coff/sym.h" | |
29 | #include "coff/symconst.h" | |
30 | #include "coff/ecoff.h" | |
31 | #include "coff/mips.h" | |
32 | #include "libcoff.h" | |
33 | #include "libecoff.h" | |
34 | \f | |
35 | /* Prototypes for static functions. */ | |
2c3fc389 NC |
36 | static bfd_reloc_status_type |
37 | mips_generic_reloc | |
38 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); | |
39 | static bfd_reloc_status_type | |
40 | mips_refhi_reloc | |
41 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); | |
42 | static bfd_reloc_status_type | |
43 | mips_reflo_reloc | |
44 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); | |
45 | static bfd_reloc_status_type | |
68ffbac6 | 46 | mips_gprel_reloc |
2c3fc389 | 47 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
252b5132 | 48 | |
252b5132 RH |
49 | \f |
50 | /* ECOFF has COFF sections, but the debugging information is stored in | |
51 | a completely different format. ECOFF targets use some of the | |
52 | swapping routines from coffswap.h, and some of the generic COFF | |
53 | routines in coffgen.c, but, unlike the real COFF targets, do not | |
54 | use coffcode.h itself. | |
55 | ||
56 | Get the generic COFF swapping routines, except for the reloc, | |
57 | symbol, and lineno ones. Give them ECOFF names. */ | |
58 | #define MIPSECOFF | |
59 | #define NO_COFF_RELOCS | |
60 | #define NO_COFF_SYMBOLS | |
61 | #define NO_COFF_LINENOS | |
2c3fc389 | 62 | #define coff_swap_filehdr_in mips_ecoff_swap_filehdr_in |
252b5132 | 63 | #define coff_swap_filehdr_out mips_ecoff_swap_filehdr_out |
2c3fc389 | 64 | #define coff_swap_aouthdr_in mips_ecoff_swap_aouthdr_in |
252b5132 | 65 | #define coff_swap_aouthdr_out mips_ecoff_swap_aouthdr_out |
2c3fc389 NC |
66 | #define coff_swap_scnhdr_in mips_ecoff_swap_scnhdr_in |
67 | #define coff_swap_scnhdr_out mips_ecoff_swap_scnhdr_out | |
2b5c217d | 68 | |
252b5132 RH |
69 | #include "coffswap.h" |
70 | ||
71 | /* Get the ECOFF swapping routines. */ | |
72 | #define ECOFF_32 | |
73 | #include "ecoffswap.h" | |
74 | \f | |
75 | /* How to process the various relocs types. */ | |
76 | ||
77 | static reloc_howto_type mips_howto_table[] = | |
78 | { | |
79 | /* Reloc type 0 is ignored. The reloc reading code ensures that | |
80 | this is a reference to the .abs section, which will cause | |
81 | bfd_perform_relocation to do nothing. */ | |
82 | HOWTO (MIPS_R_IGNORE, /* type */ | |
83 | 0, /* rightshift */ | |
84 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
85 | 8, /* bitsize */ | |
b34976b6 | 86 | FALSE, /* pc_relative */ |
252b5132 RH |
87 | 0, /* bitpos */ |
88 | complain_overflow_dont, /* complain_on_overflow */ | |
89 | 0, /* special_function */ | |
90 | "IGNORE", /* name */ | |
b34976b6 | 91 | FALSE, /* partial_inplace */ |
252b5132 RH |
92 | 0, /* src_mask */ |
93 | 0, /* dst_mask */ | |
b34976b6 | 94 | FALSE), /* pcrel_offset */ |
252b5132 RH |
95 | |
96 | /* A 16 bit reference to a symbol, normally from a data section. */ | |
97 | HOWTO (MIPS_R_REFHALF, /* type */ | |
98 | 0, /* rightshift */ | |
99 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
100 | 16, /* bitsize */ | |
b34976b6 | 101 | FALSE, /* pc_relative */ |
252b5132 RH |
102 | 0, /* bitpos */ |
103 | complain_overflow_bitfield, /* complain_on_overflow */ | |
104 | mips_generic_reloc, /* special_function */ | |
105 | "REFHALF", /* name */ | |
b34976b6 | 106 | TRUE, /* partial_inplace */ |
252b5132 RH |
107 | 0xffff, /* src_mask */ |
108 | 0xffff, /* dst_mask */ | |
b34976b6 | 109 | FALSE), /* pcrel_offset */ |
252b5132 RH |
110 | |
111 | /* A 32 bit reference to a symbol, normally from a data section. */ | |
112 | HOWTO (MIPS_R_REFWORD, /* type */ | |
113 | 0, /* rightshift */ | |
114 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
115 | 32, /* bitsize */ | |
b34976b6 | 116 | FALSE, /* pc_relative */ |
252b5132 RH |
117 | 0, /* bitpos */ |
118 | complain_overflow_bitfield, /* complain_on_overflow */ | |
119 | mips_generic_reloc, /* special_function */ | |
120 | "REFWORD", /* name */ | |
b34976b6 | 121 | TRUE, /* partial_inplace */ |
252b5132 RH |
122 | 0xffffffff, /* src_mask */ |
123 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 124 | FALSE), /* pcrel_offset */ |
252b5132 RH |
125 | |
126 | /* A 26 bit absolute jump address. */ | |
127 | HOWTO (MIPS_R_JMPADDR, /* type */ | |
128 | 2, /* rightshift */ | |
129 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
130 | 26, /* bitsize */ | |
b34976b6 | 131 | FALSE, /* pc_relative */ |
252b5132 RH |
132 | 0, /* bitpos */ |
133 | complain_overflow_dont, /* complain_on_overflow */ | |
134 | /* This needs complex overflow | |
135 | detection, because the upper four | |
136 | bits must match the PC. */ | |
137 | mips_generic_reloc, /* special_function */ | |
138 | "JMPADDR", /* name */ | |
b34976b6 | 139 | TRUE, /* partial_inplace */ |
252b5132 RH |
140 | 0x3ffffff, /* src_mask */ |
141 | 0x3ffffff, /* dst_mask */ | |
b34976b6 | 142 | FALSE), /* pcrel_offset */ |
252b5132 RH |
143 | |
144 | /* The high 16 bits of a symbol value. Handled by the function | |
145 | mips_refhi_reloc. */ | |
146 | HOWTO (MIPS_R_REFHI, /* type */ | |
147 | 16, /* rightshift */ | |
148 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
149 | 16, /* bitsize */ | |
b34976b6 | 150 | FALSE, /* pc_relative */ |
252b5132 RH |
151 | 0, /* bitpos */ |
152 | complain_overflow_bitfield, /* complain_on_overflow */ | |
153 | mips_refhi_reloc, /* special_function */ | |
154 | "REFHI", /* name */ | |
b34976b6 | 155 | TRUE, /* partial_inplace */ |
252b5132 RH |
156 | 0xffff, /* src_mask */ |
157 | 0xffff, /* dst_mask */ | |
b34976b6 | 158 | FALSE), /* pcrel_offset */ |
252b5132 RH |
159 | |
160 | /* The low 16 bits of a symbol value. */ | |
161 | HOWTO (MIPS_R_REFLO, /* type */ | |
162 | 0, /* rightshift */ | |
163 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
164 | 16, /* bitsize */ | |
b34976b6 | 165 | FALSE, /* pc_relative */ |
252b5132 RH |
166 | 0, /* bitpos */ |
167 | complain_overflow_dont, /* complain_on_overflow */ | |
168 | mips_reflo_reloc, /* special_function */ | |
169 | "REFLO", /* name */ | |
b34976b6 | 170 | TRUE, /* partial_inplace */ |
252b5132 RH |
171 | 0xffff, /* src_mask */ |
172 | 0xffff, /* dst_mask */ | |
b34976b6 | 173 | FALSE), /* pcrel_offset */ |
252b5132 RH |
174 | |
175 | /* A reference to an offset from the gp register. Handled by the | |
176 | function mips_gprel_reloc. */ | |
177 | HOWTO (MIPS_R_GPREL, /* type */ | |
178 | 0, /* rightshift */ | |
179 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
180 | 16, /* bitsize */ | |
b34976b6 | 181 | FALSE, /* pc_relative */ |
252b5132 RH |
182 | 0, /* bitpos */ |
183 | complain_overflow_signed, /* complain_on_overflow */ | |
184 | mips_gprel_reloc, /* special_function */ | |
185 | "GPREL", /* name */ | |
b34976b6 | 186 | TRUE, /* partial_inplace */ |
252b5132 RH |
187 | 0xffff, /* src_mask */ |
188 | 0xffff, /* dst_mask */ | |
b34976b6 | 189 | FALSE), /* pcrel_offset */ |
252b5132 RH |
190 | |
191 | /* A reference to a literal using an offset from the gp register. | |
192 | Handled by the function mips_gprel_reloc. */ | |
193 | HOWTO (MIPS_R_LITERAL, /* type */ | |
194 | 0, /* rightshift */ | |
195 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
196 | 16, /* bitsize */ | |
b34976b6 | 197 | FALSE, /* pc_relative */ |
252b5132 RH |
198 | 0, /* bitpos */ |
199 | complain_overflow_signed, /* complain_on_overflow */ | |
200 | mips_gprel_reloc, /* special_function */ | |
201 | "LITERAL", /* name */ | |
b34976b6 | 202 | TRUE, /* partial_inplace */ |
252b5132 RH |
203 | 0xffff, /* src_mask */ |
204 | 0xffff, /* dst_mask */ | |
b34976b6 | 205 | FALSE), /* pcrel_offset */ |
252b5132 | 206 | |
5f771d47 ILT |
207 | EMPTY_HOWTO (8), |
208 | EMPTY_HOWTO (9), | |
209 | EMPTY_HOWTO (10), | |
210 | EMPTY_HOWTO (11), | |
252b5132 | 211 | |
3e27568f CD |
212 | /* FIXME: This relocation is used (internally only) to represent branches |
213 | when assembling. It should never appear in output files, and | |
214 | be removed. (It used to be used for embedded-PIC support.) */ | |
252b5132 RH |
215 | HOWTO (MIPS_R_PCREL16, /* type */ |
216 | 2, /* rightshift */ | |
217 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
218 | 16, /* bitsize */ | |
b34976b6 | 219 | TRUE, /* pc_relative */ |
252b5132 RH |
220 | 0, /* bitpos */ |
221 | complain_overflow_signed, /* complain_on_overflow */ | |
222 | mips_generic_reloc, /* special_function */ | |
223 | "PCREL16", /* name */ | |
b34976b6 | 224 | TRUE, /* partial_inplace */ |
252b5132 RH |
225 | 0xffff, /* src_mask */ |
226 | 0xffff, /* dst_mask */ | |
b34976b6 | 227 | TRUE), /* pcrel_offset */ |
252b5132 RH |
228 | }; |
229 | ||
230 | #define MIPS_HOWTO_COUNT \ | |
231 | (sizeof mips_howto_table / sizeof mips_howto_table[0]) | |
252b5132 RH |
232 | \f |
233 | /* See whether the magic number matches. */ | |
234 | ||
b34976b6 | 235 | static bfd_boolean |
2c3fc389 | 236 | mips_ecoff_bad_format_hook (bfd * abfd, void * filehdr) |
252b5132 RH |
237 | { |
238 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
239 | ||
240 | switch (internal_f->f_magic) | |
241 | { | |
242 | case MIPS_MAGIC_1: | |
243 | /* I don't know what endianness this implies. */ | |
b34976b6 | 244 | return TRUE; |
252b5132 RH |
245 | |
246 | case MIPS_MAGIC_BIG: | |
247 | case MIPS_MAGIC_BIG2: | |
248 | case MIPS_MAGIC_BIG3: | |
249 | return bfd_big_endian (abfd); | |
250 | ||
251 | case MIPS_MAGIC_LITTLE: | |
252 | case MIPS_MAGIC_LITTLE2: | |
253 | case MIPS_MAGIC_LITTLE3: | |
254 | return bfd_little_endian (abfd); | |
255 | ||
256 | default: | |
b34976b6 | 257 | return FALSE; |
252b5132 RH |
258 | } |
259 | } | |
260 | \f | |
261 | /* Reloc handling. MIPS ECOFF relocs are packed into 8 bytes in | |
262 | external form. They use a bit which indicates whether the symbol | |
263 | is external. */ | |
264 | ||
265 | /* Swap a reloc in. */ | |
266 | ||
267 | static void | |
2c3fc389 NC |
268 | mips_ecoff_swap_reloc_in (bfd * abfd, |
269 | void * ext_ptr, | |
270 | struct internal_reloc *intern) | |
252b5132 RH |
271 | { |
272 | const RELOC *ext = (RELOC *) ext_ptr; | |
273 | ||
dc810e39 | 274 | intern->r_vaddr = H_GET_32 (abfd, ext->r_vaddr); |
252b5132 RH |
275 | if (bfd_header_big_endian (abfd)) |
276 | { | |
277 | intern->r_symndx = (((int) ext->r_bits[0] | |
278 | << RELOC_BITS0_SYMNDX_SH_LEFT_BIG) | |
279 | | ((int) ext->r_bits[1] | |
280 | << RELOC_BITS1_SYMNDX_SH_LEFT_BIG) | |
281 | | ((int) ext->r_bits[2] | |
282 | << RELOC_BITS2_SYMNDX_SH_LEFT_BIG)); | |
283 | intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_BIG) | |
284 | >> RELOC_BITS3_TYPE_SH_BIG); | |
285 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_BIG) != 0; | |
286 | } | |
287 | else | |
288 | { | |
289 | intern->r_symndx = (((int) ext->r_bits[0] | |
290 | << RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE) | |
291 | | ((int) ext->r_bits[1] | |
292 | << RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE) | |
293 | | ((int) ext->r_bits[2] | |
294 | << RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE)); | |
295 | intern->r_type = (((ext->r_bits[3] & RELOC_BITS3_TYPE_LITTLE) | |
296 | >> RELOC_BITS3_TYPE_SH_LITTLE) | |
297 | | ((ext->r_bits[3] & RELOC_BITS3_TYPEHI_LITTLE) | |
298 | << RELOC_BITS3_TYPEHI_SH_LITTLE)); | |
299 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_LITTLE) != 0; | |
300 | } | |
252b5132 RH |
301 | } |
302 | ||
303 | /* Swap a reloc out. */ | |
304 | ||
305 | static void | |
2c3fc389 NC |
306 | mips_ecoff_swap_reloc_out (bfd * abfd, |
307 | const struct internal_reloc * intern, | |
308 | void * dst) | |
252b5132 RH |
309 | { |
310 | RELOC *ext = (RELOC *) dst; | |
311 | long r_symndx; | |
312 | ||
313 | BFD_ASSERT (intern->r_extern | |
314 | || (intern->r_symndx >= 0 && intern->r_symndx <= 12)); | |
315 | ||
3e27568f | 316 | r_symndx = intern->r_symndx; |
252b5132 | 317 | |
dc810e39 | 318 | H_PUT_32 (abfd, intern->r_vaddr, ext->r_vaddr); |
252b5132 RH |
319 | if (bfd_header_big_endian (abfd)) |
320 | { | |
321 | ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG; | |
322 | ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG; | |
323 | ext->r_bits[2] = r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_BIG; | |
324 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_BIG) | |
325 | & RELOC_BITS3_TYPE_BIG) | |
326 | | (intern->r_extern ? RELOC_BITS3_EXTERN_BIG : 0)); | |
327 | } | |
328 | else | |
329 | { | |
330 | ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE; | |
331 | ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE; | |
332 | ext->r_bits[2] = r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE; | |
333 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_LITTLE) | |
334 | & RELOC_BITS3_TYPE_LITTLE) | |
335 | | ((intern->r_type >> RELOC_BITS3_TYPEHI_SH_LITTLE | |
336 | & RELOC_BITS3_TYPEHI_LITTLE)) | |
337 | | (intern->r_extern ? RELOC_BITS3_EXTERN_LITTLE : 0)); | |
338 | } | |
339 | } | |
340 | ||
341 | /* Finish canonicalizing a reloc. Part of this is generic to all | |
342 | ECOFF targets, and that part is in ecoff.c. The rest is done in | |
343 | this backend routine. It must fill in the howto field. */ | |
344 | ||
345 | static void | |
2c3fc389 NC |
346 | mips_adjust_reloc_in (bfd *abfd, |
347 | const struct internal_reloc *intern, | |
348 | arelent *rptr) | |
252b5132 | 349 | { |
3e27568f | 350 | if (intern->r_type > MIPS_R_PCREL16) |
252b5132 RH |
351 | abort (); |
352 | ||
353 | if (! intern->r_extern | |
354 | && (intern->r_type == MIPS_R_GPREL | |
355 | || intern->r_type == MIPS_R_LITERAL)) | |
356 | rptr->addend += ecoff_data (abfd)->gp; | |
357 | ||
358 | /* If the type is MIPS_R_IGNORE, make sure this is a reference to | |
359 | the absolute section so that the reloc is ignored. */ | |
360 | if (intern->r_type == MIPS_R_IGNORE) | |
361 | rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
362 | ||
252b5132 RH |
363 | rptr->howto = &mips_howto_table[intern->r_type]; |
364 | } | |
365 | ||
366 | /* Make any adjustments needed to a reloc before writing it out. None | |
367 | are needed for MIPS. */ | |
368 | ||
369 | static void | |
2c3fc389 NC |
370 | mips_adjust_reloc_out (bfd *abfd ATTRIBUTE_UNUSED, |
371 | const arelent *rel ATTRIBUTE_UNUSED, | |
372 | struct internal_reloc *intern ATTRIBUTE_UNUSED) | |
252b5132 | 373 | { |
252b5132 RH |
374 | } |
375 | ||
376 | /* ECOFF relocs are either against external symbols, or against | |
1049f94e | 377 | sections. If we are producing relocatable output, and the reloc |
252b5132 RH |
378 | is against an external symbol, and nothing has given us any |
379 | additional addend, the resulting reloc will also be against the | |
380 | same symbol. In such a case, we don't want to change anything | |
381 | about the way the reloc is handled, since it will all be done at | |
382 | final link time. Rather than put special case code into | |
383 | bfd_perform_relocation, all the reloc types use this howto | |
384 | function. It just short circuits the reloc if producing | |
1049f94e | 385 | relocatable output against an external symbol. */ |
252b5132 RH |
386 | |
387 | static bfd_reloc_status_type | |
2c3fc389 NC |
388 | mips_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
389 | arelent *reloc_entry, | |
390 | asymbol *symbol, | |
391 | void * data ATTRIBUTE_UNUSED, | |
392 | asection *input_section, | |
393 | bfd *output_bfd, | |
394 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 RH |
395 | { |
396 | if (output_bfd != (bfd *) NULL | |
397 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
398 | && reloc_entry->addend == 0) | |
399 | { | |
400 | reloc_entry->address += input_section->output_offset; | |
401 | return bfd_reloc_ok; | |
402 | } | |
403 | ||
404 | return bfd_reloc_continue; | |
405 | } | |
406 | ||
407 | /* Do a REFHI relocation. This has to be done in combination with a | |
408 | REFLO reloc, because there is a carry from the REFLO to the REFHI. | |
409 | Here we just save the information we need; we do the actual | |
410 | relocation when we see the REFLO. MIPS ECOFF requires that the | |
411 | REFLO immediately follow the REFHI. As a GNU extension, we permit | |
412 | an arbitrary number of HI relocs to be associated with a single LO | |
413 | reloc. This extension permits gcc to output the HI and LO relocs | |
414 | itself. */ | |
415 | ||
416 | struct mips_hi | |
417 | { | |
418 | struct mips_hi *next; | |
419 | bfd_byte *addr; | |
420 | bfd_vma addend; | |
421 | }; | |
422 | ||
423 | /* FIXME: This should not be a static variable. */ | |
424 | ||
425 | static struct mips_hi *mips_refhi_list; | |
426 | ||
427 | static bfd_reloc_status_type | |
2c3fc389 NC |
428 | mips_refhi_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
429 | arelent *reloc_entry, | |
430 | asymbol *symbol, | |
431 | void * data, | |
432 | asection *input_section, | |
433 | bfd *output_bfd, | |
434 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 RH |
435 | { |
436 | bfd_reloc_status_type ret; | |
437 | bfd_vma relocation; | |
438 | struct mips_hi *n; | |
439 | ||
440 | /* If we're relocating, and this an external symbol, we don't want | |
441 | to change anything. */ | |
442 | if (output_bfd != (bfd *) NULL | |
443 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
444 | && reloc_entry->addend == 0) | |
445 | { | |
446 | reloc_entry->address += input_section->output_offset; | |
447 | return bfd_reloc_ok; | |
448 | } | |
449 | ||
450 | ret = bfd_reloc_ok; | |
451 | if (bfd_is_und_section (symbol->section) | |
452 | && output_bfd == (bfd *) NULL) | |
453 | ret = bfd_reloc_undefined; | |
454 | ||
455 | if (bfd_is_com_section (symbol->section)) | |
456 | relocation = 0; | |
457 | else | |
458 | relocation = symbol->value; | |
459 | ||
460 | relocation += symbol->section->output_section->vma; | |
461 | relocation += symbol->section->output_offset; | |
462 | relocation += reloc_entry->addend; | |
463 | ||
07515404 | 464 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
252b5132 RH |
465 | return bfd_reloc_outofrange; |
466 | ||
467 | /* Save the information, and let REFLO do the actual relocation. */ | |
dc810e39 | 468 | n = (struct mips_hi *) bfd_malloc ((bfd_size_type) sizeof *n); |
252b5132 RH |
469 | if (n == NULL) |
470 | return bfd_reloc_outofrange; | |
471 | n->addr = (bfd_byte *) data + reloc_entry->address; | |
472 | n->addend = relocation; | |
473 | n->next = mips_refhi_list; | |
474 | mips_refhi_list = n; | |
475 | ||
476 | if (output_bfd != (bfd *) NULL) | |
477 | reloc_entry->address += input_section->output_offset; | |
478 | ||
479 | return ret; | |
480 | } | |
481 | ||
482 | /* Do a REFLO relocation. This is a straightforward 16 bit inplace | |
483 | relocation; this function exists in order to do the REFHI | |
484 | relocation described above. */ | |
485 | ||
486 | static bfd_reloc_status_type | |
2c3fc389 NC |
487 | mips_reflo_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
488 | arelent *reloc_entry, | |
489 | asymbol *symbol, | |
490 | void * data, | |
491 | asection *input_section, | |
492 | bfd *output_bfd, | |
493 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 RH |
494 | { |
495 | if (mips_refhi_list != NULL) | |
496 | { | |
497 | struct mips_hi *l; | |
498 | ||
499 | l = mips_refhi_list; | |
500 | while (l != NULL) | |
501 | { | |
502 | unsigned long insn; | |
503 | unsigned long val; | |
504 | unsigned long vallo; | |
505 | struct mips_hi *next; | |
506 | ||
507 | /* Do the REFHI relocation. Note that we actually don't | |
508 | need to know anything about the REFLO itself, except | |
509 | where to find the low 16 bits of the addend needed by the | |
510 | REFHI. */ | |
511 | insn = bfd_get_32 (abfd, l->addr); | |
512 | vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address) | |
513 | & 0xffff); | |
514 | val = ((insn & 0xffff) << 16) + vallo; | |
515 | val += l->addend; | |
516 | ||
517 | /* The low order 16 bits are always treated as a signed | |
518 | value. Therefore, a negative value in the low order bits | |
519 | requires an adjustment in the high order bits. We need | |
520 | to make this adjustment in two ways: once for the bits we | |
521 | took from the data, and once for the bits we are putting | |
522 | back in to the data. */ | |
523 | if ((vallo & 0x8000) != 0) | |
524 | val -= 0x10000; | |
525 | if ((val & 0x8000) != 0) | |
526 | val += 0x10000; | |
527 | ||
dc810e39 AM |
528 | insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff); |
529 | bfd_put_32 (abfd, (bfd_vma) insn, l->addr); | |
252b5132 RH |
530 | |
531 | next = l->next; | |
532 | free (l); | |
533 | l = next; | |
534 | } | |
535 | ||
536 | mips_refhi_list = NULL; | |
537 | } | |
538 | ||
539 | /* Now do the REFLO reloc in the usual way. */ | |
540 | return mips_generic_reloc (abfd, reloc_entry, symbol, data, | |
541 | input_section, output_bfd, error_message); | |
542 | } | |
543 | ||
544 | /* Do a GPREL relocation. This is a 16 bit value which must become | |
545 | the offset from the gp register. */ | |
546 | ||
547 | static bfd_reloc_status_type | |
2c3fc389 NC |
548 | mips_gprel_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
549 | arelent *reloc_entry, | |
550 | asymbol *symbol, | |
551 | void * data, | |
552 | asection *input_section, | |
553 | bfd *output_bfd, | |
554 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 | 555 | { |
1049f94e | 556 | bfd_boolean relocatable; |
252b5132 RH |
557 | bfd_vma gp; |
558 | bfd_vma relocation; | |
559 | unsigned long val; | |
560 | unsigned long insn; | |
561 | ||
562 | /* If we're relocating, and this is an external symbol with no | |
563 | addend, we don't want to change anything. We will only have an | |
564 | addend if this is a newly created reloc, not read from an ECOFF | |
565 | file. */ | |
566 | if (output_bfd != (bfd *) NULL | |
567 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
568 | && reloc_entry->addend == 0) | |
569 | { | |
570 | reloc_entry->address += input_section->output_offset; | |
571 | return bfd_reloc_ok; | |
572 | } | |
573 | ||
574 | if (output_bfd != (bfd *) NULL) | |
1049f94e | 575 | relocatable = TRUE; |
252b5132 RH |
576 | else |
577 | { | |
1049f94e | 578 | relocatable = FALSE; |
252b5132 RH |
579 | output_bfd = symbol->section->output_section->owner; |
580 | } | |
581 | ||
1049f94e | 582 | if (bfd_is_und_section (symbol->section) && ! relocatable) |
252b5132 RH |
583 | return bfd_reloc_undefined; |
584 | ||
585 | /* We have to figure out the gp value, so that we can adjust the | |
586 | symbol value correctly. We look up the symbol _gp in the output | |
587 | BFD. If we can't find it, we're stuck. We cache it in the ECOFF | |
588 | target data. We don't need to adjust the symbol value for an | |
1049f94e | 589 | external symbol if we are producing relocatable output. */ |
252b5132 RH |
590 | gp = _bfd_get_gp_value (output_bfd); |
591 | if (gp == 0 | |
1049f94e | 592 | && (! relocatable |
252b5132 RH |
593 | || (symbol->flags & BSF_SECTION_SYM) != 0)) |
594 | { | |
1049f94e | 595 | if (relocatable) |
252b5132 RH |
596 | { |
597 | /* Make up a value. */ | |
598 | gp = symbol->section->output_section->vma + 0x4000; | |
599 | _bfd_set_gp_value (output_bfd, gp); | |
600 | } | |
601 | else | |
602 | { | |
603 | unsigned int count; | |
604 | asymbol **sym; | |
605 | unsigned int i; | |
606 | ||
607 | count = bfd_get_symcount (output_bfd); | |
608 | sym = bfd_get_outsymbols (output_bfd); | |
609 | ||
610 | if (sym == (asymbol **) NULL) | |
611 | i = count; | |
612 | else | |
613 | { | |
614 | for (i = 0; i < count; i++, sym++) | |
615 | { | |
dc810e39 | 616 | register const char *name; |
252b5132 RH |
617 | |
618 | name = bfd_asymbol_name (*sym); | |
619 | if (*name == '_' && strcmp (name, "_gp") == 0) | |
620 | { | |
621 | gp = bfd_asymbol_value (*sym); | |
622 | _bfd_set_gp_value (output_bfd, gp); | |
623 | break; | |
624 | } | |
625 | } | |
626 | } | |
627 | ||
628 | if (i >= count) | |
629 | { | |
630 | /* Only get the error once. */ | |
631 | gp = 4; | |
632 | _bfd_set_gp_value (output_bfd, gp); | |
633 | *error_message = | |
634 | (char *) _("GP relative relocation when _gp not defined"); | |
635 | return bfd_reloc_dangerous; | |
636 | } | |
637 | } | |
638 | } | |
639 | ||
640 | if (bfd_is_com_section (symbol->section)) | |
641 | relocation = 0; | |
642 | else | |
643 | relocation = symbol->value; | |
644 | ||
645 | relocation += symbol->section->output_section->vma; | |
646 | relocation += symbol->section->output_offset; | |
647 | ||
07515404 | 648 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
252b5132 RH |
649 | return bfd_reloc_outofrange; |
650 | ||
651 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
652 | ||
653 | /* Set val to the offset into the section or symbol. */ | |
654 | val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff; | |
655 | if (val & 0x8000) | |
656 | val -= 0x10000; | |
657 | ||
658 | /* Adjust val for the final section location and GP value. If we | |
1049f94e | 659 | are producing relocatable output, we don't want to do this for |
252b5132 | 660 | an external symbol. */ |
1049f94e | 661 | if (! relocatable |
252b5132 RH |
662 | || (symbol->flags & BSF_SECTION_SYM) != 0) |
663 | val += relocation - gp; | |
664 | ||
dc810e39 AM |
665 | insn = (insn &~ (unsigned) 0xffff) | (val & 0xffff); |
666 | bfd_put_32 (abfd, (bfd_vma) insn, (bfd_byte *) data + reloc_entry->address); | |
252b5132 | 667 | |
1049f94e | 668 | if (relocatable) |
252b5132 RH |
669 | reloc_entry->address += input_section->output_offset; |
670 | ||
671 | /* Make sure it fit in 16 bits. */ | |
43cbcf28 | 672 | if ((long) val >= 0x8000 || (long) val < -0x8000) |
252b5132 RH |
673 | return bfd_reloc_overflow; |
674 | ||
675 | return bfd_reloc_ok; | |
676 | } | |
677 | ||
252b5132 RH |
678 | /* Get the howto structure for a generic reloc type. */ |
679 | ||
680 | static reloc_howto_type * | |
2c3fc389 NC |
681 | mips_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
682 | bfd_reloc_code_real_type code) | |
252b5132 RH |
683 | { |
684 | int mips_type; | |
685 | ||
686 | switch (code) | |
687 | { | |
688 | case BFD_RELOC_16: | |
689 | mips_type = MIPS_R_REFHALF; | |
690 | break; | |
691 | case BFD_RELOC_32: | |
692 | case BFD_RELOC_CTOR: | |
693 | mips_type = MIPS_R_REFWORD; | |
694 | break; | |
695 | case BFD_RELOC_MIPS_JMP: | |
696 | mips_type = MIPS_R_JMPADDR; | |
697 | break; | |
698 | case BFD_RELOC_HI16_S: | |
699 | mips_type = MIPS_R_REFHI; | |
700 | break; | |
701 | case BFD_RELOC_LO16: | |
702 | mips_type = MIPS_R_REFLO; | |
703 | break; | |
cdf6fd85 | 704 | case BFD_RELOC_GPREL16: |
252b5132 RH |
705 | mips_type = MIPS_R_GPREL; |
706 | break; | |
707 | case BFD_RELOC_MIPS_LITERAL: | |
708 | mips_type = MIPS_R_LITERAL; | |
709 | break; | |
710 | case BFD_RELOC_16_PCREL_S2: | |
711 | mips_type = MIPS_R_PCREL16; | |
712 | break; | |
252b5132 RH |
713 | default: |
714 | return (reloc_howto_type *) NULL; | |
715 | } | |
716 | ||
717 | return &mips_howto_table[mips_type]; | |
718 | } | |
157090f7 AM |
719 | |
720 | static reloc_howto_type * | |
721 | mips_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
722 | const char *r_name) | |
723 | { | |
724 | unsigned int i; | |
725 | ||
726 | for (i = 0; | |
727 | i < sizeof (mips_howto_table) / sizeof (mips_howto_table[0]); | |
728 | i++) | |
729 | if (mips_howto_table[i].name != NULL | |
730 | && strcasecmp (mips_howto_table[i].name, r_name) == 0) | |
731 | return &mips_howto_table[i]; | |
732 | ||
733 | return NULL; | |
734 | } | |
252b5132 RH |
735 | \f |
736 | /* A helper routine for mips_relocate_section which handles the REFHI | |
3e27568f CD |
737 | relocations. The REFHI relocation must be followed by a REFLO |
738 | relocation, and the addend used is formed from the addends of both | |
739 | instructions. */ | |
252b5132 RH |
740 | |
741 | static void | |
2c3fc389 NC |
742 | mips_relocate_hi (struct internal_reloc *refhi, |
743 | struct internal_reloc *reflo, | |
744 | bfd *input_bfd, | |
745 | asection *input_section, | |
746 | bfd_byte *contents, | |
747 | bfd_vma relocation) | |
252b5132 RH |
748 | { |
749 | unsigned long insn; | |
750 | unsigned long val; | |
751 | unsigned long vallo; | |
752 | ||
753 | if (refhi == NULL) | |
754 | return; | |
b48499ec | 755 | |
252b5132 | 756 | insn = bfd_get_32 (input_bfd, |
3e27568f | 757 | contents + refhi->r_vaddr - input_section->vma); |
252b5132 RH |
758 | if (reflo == NULL) |
759 | vallo = 0; | |
760 | else | |
761 | vallo = (bfd_get_32 (input_bfd, | |
3e27568f | 762 | contents + reflo->r_vaddr - input_section->vma) |
252b5132 | 763 | & 0xffff); |
b48499ec | 764 | |
252b5132 RH |
765 | val = ((insn & 0xffff) << 16) + vallo; |
766 | val += relocation; | |
767 | ||
768 | /* The low order 16 bits are always treated as a signed value. | |
769 | Therefore, a negative value in the low order bits requires an | |
770 | adjustment in the high order bits. We need to make this | |
771 | adjustment in two ways: once for the bits we took from the data, | |
772 | and once for the bits we are putting back in to the data. */ | |
773 | if ((vallo & 0x8000) != 0) | |
774 | val -= 0x10000; | |
775 | ||
252b5132 RH |
776 | if ((val & 0x8000) != 0) |
777 | val += 0x10000; | |
778 | ||
dc810e39 | 779 | insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff); |
252b5132 | 780 | bfd_put_32 (input_bfd, (bfd_vma) insn, |
3e27568f | 781 | contents + refhi->r_vaddr - input_section->vma); |
252b5132 RH |
782 | } |
783 | ||
784 | /* Relocate a section while linking a MIPS ECOFF file. */ | |
785 | ||
b34976b6 | 786 | static bfd_boolean |
2c3fc389 NC |
787 | mips_relocate_section (bfd *output_bfd, |
788 | struct bfd_link_info *info, | |
789 | bfd *input_bfd, | |
790 | asection *input_section, | |
791 | bfd_byte *contents, | |
792 | void * external_relocs) | |
252b5132 RH |
793 | { |
794 | asection **symndx_to_section; | |
795 | struct ecoff_link_hash_entry **sym_hashes; | |
796 | bfd_vma gp; | |
b34976b6 | 797 | bfd_boolean gp_undefined; |
252b5132 RH |
798 | struct external_reloc *ext_rel; |
799 | struct external_reloc *ext_rel_end; | |
800 | unsigned int i; | |
b34976b6 | 801 | bfd_boolean got_lo; |
252b5132 | 802 | struct internal_reloc lo_int_rel; |
dc810e39 | 803 | bfd_size_type amt; |
252b5132 RH |
804 | |
805 | BFD_ASSERT (input_bfd->xvec->byteorder | |
806 | == output_bfd->xvec->byteorder); | |
807 | ||
808 | /* We keep a table mapping the symndx found in an internal reloc to | |
809 | the appropriate section. This is faster than looking up the | |
810 | section by name each time. */ | |
811 | symndx_to_section = ecoff_data (input_bfd)->symndx_to_section; | |
812 | if (symndx_to_section == (asection **) NULL) | |
813 | { | |
dc810e39 AM |
814 | amt = NUM_RELOC_SECTIONS * sizeof (asection *); |
815 | symndx_to_section = (asection **) bfd_alloc (input_bfd, amt); | |
252b5132 | 816 | if (!symndx_to_section) |
b34976b6 | 817 | return FALSE; |
252b5132 RH |
818 | |
819 | symndx_to_section[RELOC_SECTION_NONE] = NULL; | |
820 | symndx_to_section[RELOC_SECTION_TEXT] = | |
821 | bfd_get_section_by_name (input_bfd, ".text"); | |
822 | symndx_to_section[RELOC_SECTION_RDATA] = | |
823 | bfd_get_section_by_name (input_bfd, ".rdata"); | |
824 | symndx_to_section[RELOC_SECTION_DATA] = | |
825 | bfd_get_section_by_name (input_bfd, ".data"); | |
826 | symndx_to_section[RELOC_SECTION_SDATA] = | |
827 | bfd_get_section_by_name (input_bfd, ".sdata"); | |
828 | symndx_to_section[RELOC_SECTION_SBSS] = | |
829 | bfd_get_section_by_name (input_bfd, ".sbss"); | |
830 | symndx_to_section[RELOC_SECTION_BSS] = | |
831 | bfd_get_section_by_name (input_bfd, ".bss"); | |
832 | symndx_to_section[RELOC_SECTION_INIT] = | |
833 | bfd_get_section_by_name (input_bfd, ".init"); | |
834 | symndx_to_section[RELOC_SECTION_LIT8] = | |
835 | bfd_get_section_by_name (input_bfd, ".lit8"); | |
836 | symndx_to_section[RELOC_SECTION_LIT4] = | |
837 | bfd_get_section_by_name (input_bfd, ".lit4"); | |
838 | symndx_to_section[RELOC_SECTION_XDATA] = NULL; | |
839 | symndx_to_section[RELOC_SECTION_PDATA] = NULL; | |
840 | symndx_to_section[RELOC_SECTION_FINI] = | |
841 | bfd_get_section_by_name (input_bfd, ".fini"); | |
842 | symndx_to_section[RELOC_SECTION_LITA] = NULL; | |
843 | symndx_to_section[RELOC_SECTION_ABS] = NULL; | |
844 | ||
845 | ecoff_data (input_bfd)->symndx_to_section = symndx_to_section; | |
846 | } | |
847 | ||
848 | sym_hashes = ecoff_data (input_bfd)->sym_hashes; | |
849 | ||
850 | gp = _bfd_get_gp_value (output_bfd); | |
851 | if (gp == 0) | |
b34976b6 | 852 | gp_undefined = TRUE; |
252b5132 | 853 | else |
b34976b6 | 854 | gp_undefined = FALSE; |
252b5132 | 855 | |
b34976b6 | 856 | got_lo = FALSE; |
252b5132 | 857 | |
252b5132 RH |
858 | ext_rel = (struct external_reloc *) external_relocs; |
859 | ext_rel_end = ext_rel + input_section->reloc_count; | |
860 | for (i = 0; ext_rel < ext_rel_end; ext_rel++, i++) | |
861 | { | |
862 | struct internal_reloc int_rel; | |
b34976b6 | 863 | bfd_boolean use_lo = FALSE; |
252b5132 RH |
864 | bfd_vma addend; |
865 | reloc_howto_type *howto; | |
866 | struct ecoff_link_hash_entry *h = NULL; | |
867 | asection *s = NULL; | |
868 | bfd_vma relocation; | |
869 | bfd_reloc_status_type r; | |
870 | ||
871 | if (! got_lo) | |
2c3fc389 | 872 | mips_ecoff_swap_reloc_in (input_bfd, ext_rel, &int_rel); |
252b5132 RH |
873 | else |
874 | { | |
875 | int_rel = lo_int_rel; | |
b34976b6 | 876 | got_lo = FALSE; |
252b5132 RH |
877 | } |
878 | ||
879 | BFD_ASSERT (int_rel.r_type | |
880 | < sizeof mips_howto_table / sizeof mips_howto_table[0]); | |
881 | ||
3e27568f CD |
882 | /* The REFHI reloc requires special handling. It must be followed |
883 | by a REFLO reloc, and the addend is formed from both relocs. */ | |
884 | if (int_rel.r_type == MIPS_R_REFHI) | |
252b5132 RH |
885 | { |
886 | struct external_reloc *lo_ext_rel; | |
887 | ||
888 | /* As a GNU extension, permit an arbitrary number of REFHI | |
3e27568f CD |
889 | relocs before the REFLO reloc. This permits gcc to emit |
890 | the HI and LO relocs itself. */ | |
252b5132 RH |
891 | for (lo_ext_rel = ext_rel + 1; |
892 | lo_ext_rel < ext_rel_end; | |
893 | lo_ext_rel++) | |
894 | { | |
2c3fc389 | 895 | mips_ecoff_swap_reloc_in (input_bfd, lo_ext_rel, |
252b5132 RH |
896 | &lo_int_rel); |
897 | if (lo_int_rel.r_type != int_rel.r_type) | |
898 | break; | |
899 | } | |
900 | ||
901 | if (lo_ext_rel < ext_rel_end | |
3e27568f | 902 | && lo_int_rel.r_type == MIPS_R_REFLO |
252b5132 RH |
903 | && int_rel.r_extern == lo_int_rel.r_extern |
904 | && int_rel.r_symndx == lo_int_rel.r_symndx) | |
905 | { | |
b34976b6 | 906 | use_lo = TRUE; |
252b5132 | 907 | if (lo_ext_rel == ext_rel + 1) |
b34976b6 | 908 | got_lo = TRUE; |
252b5132 RH |
909 | } |
910 | } | |
911 | ||
912 | howto = &mips_howto_table[int_rel.r_type]; | |
913 | ||
252b5132 RH |
914 | if (int_rel.r_extern) |
915 | { | |
916 | h = sym_hashes[int_rel.r_symndx]; | |
917 | /* If h is NULL, that means that there is a reloc against an | |
918 | external symbol which we thought was just a debugging | |
919 | symbol. This should not happen. */ | |
920 | if (h == (struct ecoff_link_hash_entry *) NULL) | |
921 | abort (); | |
922 | } | |
923 | else | |
924 | { | |
925 | if (int_rel.r_symndx < 0 || int_rel.r_symndx >= NUM_RELOC_SECTIONS) | |
926 | s = NULL; | |
927 | else | |
928 | s = symndx_to_section[int_rel.r_symndx]; | |
929 | ||
930 | if (s == (asection *) NULL) | |
931 | abort (); | |
932 | } | |
933 | ||
934 | /* The GPREL reloc uses an addend: the difference in the GP | |
935 | values. */ | |
936 | if (int_rel.r_type != MIPS_R_GPREL | |
937 | && int_rel.r_type != MIPS_R_LITERAL) | |
938 | addend = 0; | |
939 | else | |
940 | { | |
941 | if (gp_undefined) | |
942 | { | |
943 | if (! ((*info->callbacks->reloc_dangerous) | |
cc9ff76a | 944 | (info, _("GP relative relocation used when GP not defined"), |
252b5132 RH |
945 | input_bfd, input_section, |
946 | int_rel.r_vaddr - input_section->vma))) | |
b34976b6 | 947 | return FALSE; |
252b5132 RH |
948 | /* Only give the error once per link. */ |
949 | gp = 4; | |
950 | _bfd_set_gp_value (output_bfd, gp); | |
b34976b6 | 951 | gp_undefined = FALSE; |
252b5132 RH |
952 | } |
953 | if (! int_rel.r_extern) | |
954 | { | |
955 | /* This is a relocation against a section. The current | |
956 | addend in the instruction is the difference between | |
957 | INPUT_SECTION->vma and the GP value of INPUT_BFD. We | |
958 | must change this to be the difference between the | |
959 | final definition (which will end up in RELOCATION) | |
960 | and the GP value of OUTPUT_BFD (which is in GP). */ | |
961 | addend = ecoff_data (input_bfd)->gp - gp; | |
962 | } | |
1049f94e | 963 | else if (! info->relocatable |
252b5132 RH |
964 | || h->root.type == bfd_link_hash_defined |
965 | || h->root.type == bfd_link_hash_defweak) | |
966 | { | |
967 | /* This is a relocation against a defined symbol. The | |
968 | current addend in the instruction is simply the | |
969 | desired offset into the symbol (normally zero). We | |
970 | are going to change this into a relocation against a | |
971 | defined symbol, so we want the instruction to hold | |
972 | the difference between the final definition of the | |
973 | symbol (which will end up in RELOCATION) and the GP | |
974 | value of OUTPUT_BFD (which is in GP). */ | |
975 | addend = - gp; | |
976 | } | |
977 | else | |
978 | { | |
979 | /* This is a relocation against an undefined or common | |
980 | symbol. The current addend in the instruction is | |
981 | simply the desired offset into the symbol (normally | |
1049f94e | 982 | zero). We are generating relocatable output, and we |
252b5132 RH |
983 | aren't going to define this symbol, so we just leave |
984 | the instruction alone. */ | |
985 | addend = 0; | |
986 | } | |
987 | } | |
988 | ||
1049f94e | 989 | if (info->relocatable) |
252b5132 | 990 | { |
1049f94e | 991 | /* We are generating relocatable output, and must convert |
252b5132 RH |
992 | the existing reloc. */ |
993 | if (int_rel.r_extern) | |
994 | { | |
995 | if ((h->root.type == bfd_link_hash_defined | |
996 | || h->root.type == bfd_link_hash_defweak) | |
997 | && ! bfd_is_abs_section (h->root.u.def.section)) | |
998 | { | |
999 | const char *name; | |
1000 | ||
1001 | /* This symbol is defined in the output. Convert | |
1002 | the reloc from being against the symbol to being | |
1003 | against the section. */ | |
1004 | ||
1005 | /* Clear the r_extern bit. */ | |
1006 | int_rel.r_extern = 0; | |
1007 | ||
1008 | /* Compute a new r_symndx value. */ | |
1009 | s = h->root.u.def.section; | |
1010 | name = bfd_get_section_name (output_bfd, | |
1011 | s->output_section); | |
1012 | ||
1013 | int_rel.r_symndx = -1; | |
1014 | switch (name[1]) | |
1015 | { | |
1016 | case 'b': | |
1017 | if (strcmp (name, ".bss") == 0) | |
1018 | int_rel.r_symndx = RELOC_SECTION_BSS; | |
1019 | break; | |
1020 | case 'd': | |
1021 | if (strcmp (name, ".data") == 0) | |
1022 | int_rel.r_symndx = RELOC_SECTION_DATA; | |
1023 | break; | |
1024 | case 'f': | |
1025 | if (strcmp (name, ".fini") == 0) | |
1026 | int_rel.r_symndx = RELOC_SECTION_FINI; | |
1027 | break; | |
1028 | case 'i': | |
1029 | if (strcmp (name, ".init") == 0) | |
1030 | int_rel.r_symndx = RELOC_SECTION_INIT; | |
1031 | break; | |
1032 | case 'l': | |
1033 | if (strcmp (name, ".lit8") == 0) | |
1034 | int_rel.r_symndx = RELOC_SECTION_LIT8; | |
1035 | else if (strcmp (name, ".lit4") == 0) | |
1036 | int_rel.r_symndx = RELOC_SECTION_LIT4; | |
1037 | break; | |
1038 | case 'r': | |
1039 | if (strcmp (name, ".rdata") == 0) | |
1040 | int_rel.r_symndx = RELOC_SECTION_RDATA; | |
1041 | break; | |
1042 | case 's': | |
1043 | if (strcmp (name, ".sdata") == 0) | |
1044 | int_rel.r_symndx = RELOC_SECTION_SDATA; | |
1045 | else if (strcmp (name, ".sbss") == 0) | |
1046 | int_rel.r_symndx = RELOC_SECTION_SBSS; | |
1047 | break; | |
1048 | case 't': | |
1049 | if (strcmp (name, ".text") == 0) | |
1050 | int_rel.r_symndx = RELOC_SECTION_TEXT; | |
1051 | break; | |
1052 | } | |
b48499ec | 1053 | |
252b5132 RH |
1054 | if (int_rel.r_symndx == -1) |
1055 | abort (); | |
1056 | ||
1057 | /* Add the section VMA and the symbol value. */ | |
1058 | relocation = (h->root.u.def.value | |
1059 | + s->output_section->vma | |
1060 | + s->output_offset); | |
1061 | ||
1062 | /* For a PC relative relocation, the object file | |
1063 | currently holds just the addend. We must adjust | |
1064 | by the address to get the right value. */ | |
1065 | if (howto->pc_relative) | |
3e27568f | 1066 | relocation -= int_rel.r_vaddr - input_section->vma; |
252b5132 RH |
1067 | |
1068 | h = NULL; | |
1069 | } | |
1070 | else | |
1071 | { | |
1072 | /* Change the symndx value to the right one for the | |
1073 | output BFD. */ | |
1074 | int_rel.r_symndx = h->indx; | |
1075 | if (int_rel.r_symndx == -1) | |
1076 | { | |
1077 | /* This symbol is not being written out. */ | |
1078 | if (! ((*info->callbacks->unattached_reloc) | |
1079 | (info, h->root.root.string, input_bfd, | |
1080 | input_section, | |
1081 | int_rel.r_vaddr - input_section->vma))) | |
b34976b6 | 1082 | return FALSE; |
252b5132 RH |
1083 | int_rel.r_symndx = 0; |
1084 | } | |
1085 | relocation = 0; | |
1086 | } | |
1087 | } | |
1088 | else | |
1089 | { | |
1090 | /* This is a relocation against a section. Adjust the | |
1091 | value by the amount the section moved. */ | |
1092 | relocation = (s->output_section->vma | |
1093 | + s->output_offset | |
1094 | - s->vma); | |
1095 | } | |
1096 | ||
1097 | relocation += addend; | |
1098 | addend = 0; | |
1099 | ||
1100 | /* Adjust a PC relative relocation by removing the reference | |
1101 | to the original address in the section and including the | |
3e27568f CD |
1102 | reference to the new address. */ |
1103 | if (howto->pc_relative) | |
252b5132 RH |
1104 | relocation -= (input_section->output_section->vma |
1105 | + input_section->output_offset | |
1106 | - input_section->vma); | |
1107 | ||
1108 | /* Adjust the contents. */ | |
1109 | if (relocation == 0) | |
1110 | r = bfd_reloc_ok; | |
1111 | else | |
1112 | { | |
3e27568f | 1113 | if (int_rel.r_type != MIPS_R_REFHI) |
252b5132 RH |
1114 | r = _bfd_relocate_contents (howto, input_bfd, relocation, |
1115 | (contents | |
252b5132 RH |
1116 | + int_rel.r_vaddr |
1117 | - input_section->vma)); | |
1118 | else | |
1119 | { | |
1120 | mips_relocate_hi (&int_rel, | |
1121 | use_lo ? &lo_int_rel : NULL, | |
1122 | input_bfd, input_section, contents, | |
3e27568f | 1123 | relocation); |
252b5132 RH |
1124 | r = bfd_reloc_ok; |
1125 | } | |
1126 | } | |
1127 | ||
1128 | /* Adjust the reloc address. */ | |
1129 | int_rel.r_vaddr += (input_section->output_section->vma | |
1130 | + input_section->output_offset | |
1131 | - input_section->vma); | |
1132 | ||
1133 | /* Save the changed reloc information. */ | |
2c3fc389 | 1134 | mips_ecoff_swap_reloc_out (input_bfd, &int_rel, ext_rel); |
252b5132 RH |
1135 | } |
1136 | else | |
1137 | { | |
1138 | /* We are producing a final executable. */ | |
1139 | if (int_rel.r_extern) | |
1140 | { | |
1141 | /* This is a reloc against a symbol. */ | |
1142 | if (h->root.type == bfd_link_hash_defined | |
1143 | || h->root.type == bfd_link_hash_defweak) | |
1144 | { | |
1145 | asection *hsec; | |
1146 | ||
1147 | hsec = h->root.u.def.section; | |
1148 | relocation = (h->root.u.def.value | |
1149 | + hsec->output_section->vma | |
1150 | + hsec->output_offset); | |
1151 | } | |
1152 | else | |
1153 | { | |
1154 | if (! ((*info->callbacks->undefined_symbol) | |
1155 | (info, h->root.root.string, input_bfd, | |
1156 | input_section, | |
b34976b6 AM |
1157 | int_rel.r_vaddr - input_section->vma, TRUE))) |
1158 | return FALSE; | |
252b5132 RH |
1159 | relocation = 0; |
1160 | } | |
1161 | } | |
1162 | else | |
1163 | { | |
1164 | /* This is a reloc against a section. */ | |
1165 | relocation = (s->output_section->vma | |
1166 | + s->output_offset | |
1167 | - s->vma); | |
1168 | ||
1169 | /* A PC relative reloc is already correct in the object | |
1170 | file. Make it look like a pcrel_offset relocation by | |
1171 | adding in the start address. */ | |
1172 | if (howto->pc_relative) | |
3e27568f | 1173 | relocation += int_rel.r_vaddr; |
252b5132 RH |
1174 | } |
1175 | ||
3e27568f | 1176 | if (int_rel.r_type != MIPS_R_REFHI) |
252b5132 RH |
1177 | r = _bfd_final_link_relocate (howto, |
1178 | input_bfd, | |
1179 | input_section, | |
1180 | contents, | |
1181 | (int_rel.r_vaddr | |
3e27568f | 1182 | - input_section->vma), |
252b5132 RH |
1183 | relocation, |
1184 | addend); | |
1185 | else | |
1186 | { | |
1187 | mips_relocate_hi (&int_rel, | |
1188 | use_lo ? &lo_int_rel : NULL, | |
3e27568f CD |
1189 | input_bfd, input_section, contents, |
1190 | relocation); | |
252b5132 RH |
1191 | r = bfd_reloc_ok; |
1192 | } | |
1193 | } | |
1194 | ||
1195 | /* MIPS_R_JMPADDR requires peculiar overflow detection. The | |
1196 | instruction provides a 28 bit address (the two lower bits are | |
1197 | implicit zeroes) which is combined with the upper four bits | |
1198 | of the instruction address. */ | |
1199 | if (r == bfd_reloc_ok | |
1200 | && int_rel.r_type == MIPS_R_JMPADDR | |
1201 | && (((relocation | |
1202 | + addend | |
1203 | + (int_rel.r_extern ? 0 : s->vma)) | |
1204 | & 0xf0000000) | |
1205 | != ((input_section->output_section->vma | |
1206 | + input_section->output_offset | |
3e27568f | 1207 | + (int_rel.r_vaddr - input_section->vma)) |
252b5132 RH |
1208 | & 0xf0000000))) |
1209 | r = bfd_reloc_overflow; | |
1210 | ||
1211 | if (r != bfd_reloc_ok) | |
1212 | { | |
1213 | switch (r) | |
1214 | { | |
1215 | default: | |
1216 | case bfd_reloc_outofrange: | |
1217 | abort (); | |
1218 | case bfd_reloc_overflow: | |
1219 | { | |
1220 | const char *name; | |
1221 | ||
1222 | if (int_rel.r_extern) | |
dfeffb9f | 1223 | name = NULL; |
252b5132 RH |
1224 | else |
1225 | name = bfd_section_name (input_bfd, s); | |
1226 | if (! ((*info->callbacks->reloc_overflow) | |
dfeffb9f L |
1227 | (info, (h ? &h->root : NULL), name, howto->name, |
1228 | (bfd_vma) 0, input_bfd, input_section, | |
252b5132 | 1229 | int_rel.r_vaddr - input_section->vma))) |
b34976b6 | 1230 | return FALSE; |
252b5132 RH |
1231 | } |
1232 | break; | |
1233 | } | |
1234 | } | |
1235 | } | |
1236 | ||
b34976b6 | 1237 | return TRUE; |
252b5132 RH |
1238 | } |
1239 | \f | |
252b5132 RH |
1240 | /* This is the ECOFF backend structure. The backend field of the |
1241 | target vector points to this. */ | |
1242 | ||
1243 | static const struct ecoff_backend_data mips_ecoff_backend_data = | |
1244 | { | |
1245 | /* COFF backend structure. */ | |
1246 | { | |
2c3fc389 NC |
1247 | (void (*) (bfd *,void *,int,int,int,int,void *)) bfd_void, /* aux_in */ |
1248 | (void (*) (bfd *,void *,void *)) bfd_void, /* sym_in */ | |
1249 | (void (*) (bfd *,void *,void *)) bfd_void, /* lineno_in */ | |
1250 | (unsigned (*) (bfd *,void *,int,int,int,int,void *)) bfd_void,/*aux_out*/ | |
1251 | (unsigned (*) (bfd *,void *,void *)) bfd_void, /* sym_out */ | |
1252 | (unsigned (*) (bfd *,void *,void *)) bfd_void, /* lineno_out */ | |
1253 | (unsigned (*) (bfd *,void *,void *)) bfd_void, /* reloc_out */ | |
252b5132 RH |
1254 | mips_ecoff_swap_filehdr_out, mips_ecoff_swap_aouthdr_out, |
1255 | mips_ecoff_swap_scnhdr_out, | |
68ffbac6 | 1256 | FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, FILNMLEN, TRUE, |
88183869 | 1257 | ECOFF_NO_LONG_SECTION_NAMES, 4, FALSE, 2, |
252b5132 RH |
1258 | mips_ecoff_swap_filehdr_in, mips_ecoff_swap_aouthdr_in, |
1259 | mips_ecoff_swap_scnhdr_in, NULL, | |
1260 | mips_ecoff_bad_format_hook, _bfd_ecoff_set_arch_mach_hook, | |
1261 | _bfd_ecoff_mkobject_hook, _bfd_ecoff_styp_to_sec_flags, | |
1262 | _bfd_ecoff_set_alignment_hook, _bfd_ecoff_slurp_symbol_table, | |
5f771d47 | 1263 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
2b5c217d | 1264 | NULL, NULL, NULL |
252b5132 RH |
1265 | }, |
1266 | /* Supported architecture. */ | |
1267 | bfd_arch_mips, | |
1268 | /* Initial portion of armap string. */ | |
1269 | "__________", | |
1270 | /* The page boundary used to align sections in a demand-paged | |
1271 | executable file. E.g., 0x1000. */ | |
1272 | 0x1000, | |
b34976b6 AM |
1273 | /* TRUE if the .rdata section is part of the text segment, as on the |
1274 | Alpha. FALSE if .rdata is part of the data segment, as on the | |
252b5132 | 1275 | MIPS. */ |
b34976b6 | 1276 | FALSE, |
252b5132 RH |
1277 | /* Bitsize of constructor entries. */ |
1278 | 32, | |
1279 | /* Reloc to use for constructor entries. */ | |
1280 | &mips_howto_table[MIPS_R_REFWORD], | |
1281 | { | |
1282 | /* Symbol table magic number. */ | |
1283 | magicSym, | |
1284 | /* Alignment of debugging information. E.g., 4. */ | |
1285 | 4, | |
1286 | /* Sizes of external symbolic information. */ | |
1287 | sizeof (struct hdr_ext), | |
1288 | sizeof (struct dnr_ext), | |
1289 | sizeof (struct pdr_ext), | |
1290 | sizeof (struct sym_ext), | |
1291 | sizeof (struct opt_ext), | |
1292 | sizeof (struct fdr_ext), | |
1293 | sizeof (struct rfd_ext), | |
1294 | sizeof (struct ext_ext), | |
1295 | /* Functions to swap in external symbolic data. */ | |
1296 | ecoff_swap_hdr_in, | |
1297 | ecoff_swap_dnr_in, | |
1298 | ecoff_swap_pdr_in, | |
1299 | ecoff_swap_sym_in, | |
1300 | ecoff_swap_opt_in, | |
1301 | ecoff_swap_fdr_in, | |
1302 | ecoff_swap_rfd_in, | |
1303 | ecoff_swap_ext_in, | |
1304 | _bfd_ecoff_swap_tir_in, | |
1305 | _bfd_ecoff_swap_rndx_in, | |
1306 | /* Functions to swap out external symbolic data. */ | |
1307 | ecoff_swap_hdr_out, | |
1308 | ecoff_swap_dnr_out, | |
1309 | ecoff_swap_pdr_out, | |
1310 | ecoff_swap_sym_out, | |
1311 | ecoff_swap_opt_out, | |
1312 | ecoff_swap_fdr_out, | |
1313 | ecoff_swap_rfd_out, | |
1314 | ecoff_swap_ext_out, | |
1315 | _bfd_ecoff_swap_tir_out, | |
1316 | _bfd_ecoff_swap_rndx_out, | |
1317 | /* Function to read in symbolic data. */ | |
1318 | _bfd_ecoff_slurp_symbolic_info | |
1319 | }, | |
1320 | /* External reloc size. */ | |
1321 | RELSZ, | |
1322 | /* Reloc swapping functions. */ | |
1323 | mips_ecoff_swap_reloc_in, | |
1324 | mips_ecoff_swap_reloc_out, | |
1325 | /* Backend reloc tweaking. */ | |
1326 | mips_adjust_reloc_in, | |
1327 | mips_adjust_reloc_out, | |
1328 | /* Relocate section contents while linking. */ | |
1329 | mips_relocate_section, | |
1330 | /* Do final adjustments to filehdr and aouthdr. */ | |
1331 | NULL, | |
1332 | /* Read an element from an archive at a given file position. */ | |
1333 | _bfd_get_elt_at_filepos | |
1334 | }; | |
1335 | ||
1336 | /* Looking up a reloc type is MIPS specific. */ | |
1337 | #define _bfd_ecoff_bfd_reloc_type_lookup mips_bfd_reloc_type_lookup | |
157090f7 | 1338 | #define _bfd_ecoff_bfd_reloc_name_lookup mips_bfd_reloc_name_lookup |
252b5132 RH |
1339 | |
1340 | /* Getting relocated section contents is generic. */ | |
1341 | #define _bfd_ecoff_bfd_get_relocated_section_contents \ | |
1342 | bfd_generic_get_relocated_section_contents | |
1343 | ||
1344 | /* Handling file windows is generic. */ | |
1345 | #define _bfd_ecoff_get_section_contents_in_window \ | |
1346 | _bfd_generic_get_section_contents_in_window | |
1347 | ||
1348 | /* Relaxing sections is MIPS specific. */ | |
3e27568f | 1349 | #define _bfd_ecoff_bfd_relax_section bfd_generic_relax_section |
252b5132 RH |
1350 | |
1351 | /* GC of sections is not done. */ | |
1352 | #define _bfd_ecoff_bfd_gc_sections bfd_generic_gc_sections | |
1353 | ||
ae17ab41 CM |
1354 | /* Input section flags is not implemented. */ |
1355 | #define _bfd_ecoff_bfd_lookup_section_flags bfd_generic_lookup_section_flags | |
1356 | ||
8550eb6e JJ |
1357 | /* Merging of sections is not done. */ |
1358 | #define _bfd_ecoff_bfd_merge_sections bfd_generic_merge_sections | |
1359 | ||
72adc230 | 1360 | #define _bfd_ecoff_bfd_is_group_section bfd_generic_is_group_section |
e61463e1 | 1361 | #define _bfd_ecoff_bfd_discard_group bfd_generic_discard_group |
082b7297 | 1362 | #define _bfd_ecoff_section_already_linked \ |
c77ec726 | 1363 | _bfd_coff_section_already_linked |
3023e3f6 | 1364 | #define _bfd_ecoff_bfd_define_common_symbol bfd_generic_define_common_symbol |
e61463e1 | 1365 | |
c3c89269 NC |
1366 | extern const bfd_target ecoff_big_vec; |
1367 | ||
252b5132 RH |
1368 | const bfd_target ecoff_little_vec = |
1369 | { | |
1370 | "ecoff-littlemips", /* name */ | |
1371 | bfd_target_ecoff_flavour, | |
1372 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
1373 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
1374 | ||
1375 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1376 | HAS_LINENO | HAS_DEBUG | | |
1377 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
1378 | ||
1379 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1380 | 0, /* leading underscore */ | |
1381 | ' ', /* ar_pad_char */ | |
1382 | 15, /* ar_max_namelen */ | |
0aabe54e | 1383 | 0, /* match priority. */ |
252b5132 RH |
1384 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
1385 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1386 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1387 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1388 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1389 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
1390 | ||
1391 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
66cd82b5 | 1392 | bfd_generic_archive_p, _bfd_dummy_target}, |
252b5132 RH |
1393 | {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */ |
1394 | _bfd_generic_mkarchive, bfd_false}, | |
1395 | {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */ | |
1396 | _bfd_write_archive_contents, bfd_false}, | |
1397 | ||
1398 | BFD_JUMP_TABLE_GENERIC (_bfd_ecoff), | |
1399 | BFD_JUMP_TABLE_COPY (_bfd_ecoff), | |
1400 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1401 | BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff), | |
1402 | BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff), | |
1403 | BFD_JUMP_TABLE_RELOCS (_bfd_ecoff), | |
1404 | BFD_JUMP_TABLE_WRITE (_bfd_ecoff), | |
1405 | BFD_JUMP_TABLE_LINK (_bfd_ecoff), | |
1406 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1407 | ||
c3c89269 | 1408 | & ecoff_big_vec, |
b48499ec | 1409 | |
2c3fc389 | 1410 | & mips_ecoff_backend_data |
252b5132 RH |
1411 | }; |
1412 | ||
1413 | const bfd_target ecoff_big_vec = | |
1414 | { | |
1415 | "ecoff-bigmips", /* name */ | |
1416 | bfd_target_ecoff_flavour, | |
1417 | BFD_ENDIAN_BIG, /* data byte order is big */ | |
1418 | BFD_ENDIAN_BIG, /* header byte order is big */ | |
1419 | ||
1420 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1421 | HAS_LINENO | HAS_DEBUG | | |
1422 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
1423 | ||
1424 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1425 | 0, /* leading underscore */ | |
1426 | ' ', /* ar_pad_char */ | |
1427 | 15, /* ar_max_namelen */ | |
0aabe54e | 1428 | 0, /* match priority. */ |
252b5132 RH |
1429 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
1430 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1431 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
1432 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1433 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1434 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, | |
1435 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
66cd82b5 | 1436 | bfd_generic_archive_p, _bfd_dummy_target}, |
252b5132 RH |
1437 | {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */ |
1438 | _bfd_generic_mkarchive, bfd_false}, | |
1439 | {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */ | |
1440 | _bfd_write_archive_contents, bfd_false}, | |
1441 | ||
1442 | BFD_JUMP_TABLE_GENERIC (_bfd_ecoff), | |
1443 | BFD_JUMP_TABLE_COPY (_bfd_ecoff), | |
1444 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1445 | BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff), | |
1446 | BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff), | |
1447 | BFD_JUMP_TABLE_RELOCS (_bfd_ecoff), | |
1448 | BFD_JUMP_TABLE_WRITE (_bfd_ecoff), | |
1449 | BFD_JUMP_TABLE_LINK (_bfd_ecoff), | |
1450 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1451 | ||
c3c89269 | 1452 | & ecoff_little_vec, |
b48499ec | 1453 | |
2c3fc389 | 1454 | & mips_ecoff_backend_data |
252b5132 RH |
1455 | }; |
1456 | ||
1457 | const bfd_target ecoff_biglittle_vec = | |
1458 | { | |
1459 | "ecoff-biglittlemips", /* name */ | |
1460 | bfd_target_ecoff_flavour, | |
1461 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
1462 | BFD_ENDIAN_BIG, /* header byte order is big */ | |
1463 | ||
1464 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1465 | HAS_LINENO | HAS_DEBUG | | |
1466 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
1467 | ||
1468 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1469 | 0, /* leading underscore */ | |
1470 | ' ', /* ar_pad_char */ | |
1471 | 15, /* ar_max_namelen */ | |
0aabe54e | 1472 | 0, /* match priority. */ |
252b5132 RH |
1473 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
1474 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1475 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1476 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1477 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1478 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1479 | ||
1480 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
66cd82b5 | 1481 | bfd_generic_archive_p, _bfd_dummy_target}, |
252b5132 RH |
1482 | {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */ |
1483 | _bfd_generic_mkarchive, bfd_false}, | |
1484 | {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */ | |
1485 | _bfd_write_archive_contents, bfd_false}, | |
1486 | ||
1487 | BFD_JUMP_TABLE_GENERIC (_bfd_ecoff), | |
1488 | BFD_JUMP_TABLE_COPY (_bfd_ecoff), | |
1489 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1490 | BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff), | |
1491 | BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff), | |
1492 | BFD_JUMP_TABLE_RELOCS (_bfd_ecoff), | |
1493 | BFD_JUMP_TABLE_WRITE (_bfd_ecoff), | |
1494 | BFD_JUMP_TABLE_LINK (_bfd_ecoff), | |
1495 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1496 | ||
c3c89269 | 1497 | NULL, |
b48499ec | 1498 | |
2c3fc389 | 1499 | & mips_ecoff_backend_data |
252b5132 | 1500 | }; |