Commit | Line | Data |
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e7aa05bf | 1 | /* BFD back-end for PowerPC Microsoft Portable Executable files. |
13d1a4dd | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. |
e7aa05bf KK |
3 | |
4 | Original version pieced together by Kim Knuttila (krk@cygnus.com) | |
5 | ||
6 | There is nothing new under the sun. This file draws a lot on other | |
7 | coff files, in particular, those for the rs/6000, alpha, mips, and | |
8 | intel backends, and the PE work for the arm. | |
9 | ||
10 | This file is part of BFD, the Binary File Descriptor library. | |
11 | ||
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 2 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | This program is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with this program; if not, write to the Free Software | |
24 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
25 | ||
26 | /* Current State: | |
27 | - objdump works | |
28 | - relocs generated by gas | |
93b6a3f8 KK |
29 | - ld will link files, but they do not run. |
30 | - dlltool will not produce correct output in some .reloc cases, and will | |
31 | not produce the right glue code for dll function calls. | |
e7aa05bf KK |
32 | */ |
33 | ||
34 | ||
35 | #include "bfd.h" | |
36 | #include "sysdep.h" | |
13d1a4dd | 37 | |
e7aa05bf KK |
38 | #include "libbfd.h" |
39 | #include "obstack.h" | |
40 | ||
41 | #include "coff/powerpc.h" | |
42 | #include "coff/internal.h" | |
43 | ||
44 | #include "coff/pe.h" | |
45 | ||
46 | #ifdef BADMAG | |
47 | #undef BADMAG | |
48 | #endif | |
49 | ||
50 | #define BADMAG(x) PPCBADMAG(x) | |
51 | ||
52 | #include "libcoff.h" | |
53 | ||
59066248 KK |
54 | /* The toc is a set of bfd_vma fields. We use the fact that valid */ |
55 | /* addresses are even (i.e. the bit representing "1" is off) to allow */ | |
56 | /* us to encode a little extra information in the field */ | |
57 | /* - Unallocated addresses are intialized to 1. */ | |
58 | /* - Allocated addresses are even numbers. */ | |
59 | /* The first time we actually write a reference to the toc in the bfd, */ | |
60 | /* we want to record that fact in a fixup file (if it is asked for), so */ | |
61 | /* we keep track of whether or not an address has been written by marking */ | |
62 | /* the low order bit with a "1" upon writing */ | |
63 | ||
64 | #define SET_UNALLOCATED(x) ((x) = 1) | |
65 | #define IS_UNALLOCATED(x) ((x) == 1) | |
66 | ||
67 | #define IS_WRITTEN(x) ((x) & 1) | |
68 | #define MARK_AS_WRITTEN(x) ((x) |= 1) | |
69 | #define MAKE_ADDR_AGAIN(x) ((x) &= ~1) | |
70 | ||
93b6a3f8 KK |
71 | /* In order not to add an int to every hash table item for every coff |
72 | linker, we define our own hash table, derived from the coff one */ | |
73 | ||
74 | /* PE linker hash table entries. */ | |
75 | ||
76 | struct ppc_coff_link_hash_entry | |
77 | { | |
78 | struct coff_link_hash_entry root; /* First entry, as required */ | |
79 | ||
80 | /* As we wonder around the relocs, we'll keep the assigned toc_offset | |
81 | here */ | |
82 | bfd_vma toc_offset; /* Our addition, as required */ | |
83 | int symbol_is_glue; | |
84 | unsigned long int glue_insn; | |
85 | char eye_catcher[8]; | |
86 | }; | |
87 | ||
88 | /* Need a 7 char string for an eye catcher */ | |
89 | #define EYE "krkjunk" | |
90 | ||
91 | #define CHECK_EYE(addr) \ | |
92 | if (strcmp(addr, EYE) != 0) \ | |
93 | { \ | |
94 | fprintf(stderr,\ | |
95 | "File %s, line %d, Hash check failure, bad eye %8s\n", \ | |
96 | __FILE__, __LINE__, addr); \ | |
97 | abort(); \ | |
98 | } | |
99 | ||
100 | /* PE linker hash table. */ | |
101 | ||
102 | struct ppc_coff_link_hash_table | |
103 | { | |
104 | struct coff_link_hash_table root; /* First entry, as required */ | |
105 | }; | |
106 | ||
107 | static struct bfd_hash_entry *ppc_coff_link_hash_newfunc | |
108 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, | |
109 | const char *)); | |
110 | ||
111 | /* Routine to create an entry in the link hash table. */ | |
112 | ||
113 | static struct bfd_hash_entry * | |
114 | ppc_coff_link_hash_newfunc (entry, table, string) | |
115 | struct bfd_hash_entry *entry; | |
116 | struct bfd_hash_table *table; | |
117 | const char *string; | |
118 | { | |
119 | struct ppc_coff_link_hash_entry *ret = | |
120 | (struct ppc_coff_link_hash_entry *) entry; | |
121 | ||
122 | /* Allocate the structure if it has not already been allocated by a | |
123 | subclass. */ | |
124 | if (ret == (struct ppc_coff_link_hash_entry *) NULL) | |
125 | ret = (struct ppc_coff_link_hash_entry *) | |
126 | bfd_hash_allocate (table, | |
127 | sizeof (struct ppc_coff_link_hash_entry)); | |
128 | ||
129 | if (ret == (struct ppc_coff_link_hash_entry *) NULL) | |
130 | return NULL; | |
131 | ||
132 | /* Call the allocation method of the superclass. */ | |
133 | ret = ((struct ppc_coff_link_hash_entry *) | |
134 | _bfd_coff_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
135 | table, string)); | |
136 | ||
137 | if (ret) | |
138 | { | |
139 | /* Initialize the local fields. */ | |
59066248 | 140 | SET_UNALLOCATED(ret->toc_offset); |
93b6a3f8 KK |
141 | ret->symbol_is_glue = 0; |
142 | ret->glue_insn = 0; | |
143 | strcpy(ret->eye_catcher, EYE); | |
144 | } | |
145 | ||
146 | return (struct bfd_hash_entry *) ret; | |
147 | } | |
148 | ||
149 | /* Initialize a PE linker hash table. */ | |
150 | ||
151 | static boolean | |
152 | ppc_coff_link_hash_table_init (table, abfd, newfunc) | |
153 | struct ppc_coff_link_hash_table *table; | |
154 | bfd *abfd; | |
155 | struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *, | |
156 | struct bfd_hash_table *, | |
157 | const char *)); | |
158 | { | |
159 | return _bfd_coff_link_hash_table_init (&table->root, abfd, newfunc); | |
160 | } | |
161 | ||
162 | /* Create a PE linker hash table. */ | |
163 | ||
164 | static struct bfd_link_hash_table * | |
165 | ppc_coff_link_hash_table_create (abfd) | |
166 | bfd *abfd; | |
167 | { | |
168 | struct ppc_coff_link_hash_table *ret; | |
169 | ||
170 | ret = ((struct ppc_coff_link_hash_table *) | |
171 | bfd_alloc (abfd, sizeof (struct ppc_coff_link_hash_table))); | |
172 | if (ret == NULL) | |
a9713b91 | 173 | return NULL; |
93b6a3f8 KK |
174 | if (! ppc_coff_link_hash_table_init (ret, abfd, |
175 | ppc_coff_link_hash_newfunc)) | |
176 | { | |
177 | bfd_release (abfd, ret); | |
178 | return (struct bfd_link_hash_table *) NULL; | |
179 | } | |
180 | return &ret->root.root; | |
181 | } | |
182 | ||
183 | /* Now, tailor coffcode.h to use our hash stuff */ | |
184 | ||
185 | #define coff_bfd_link_hash_table_create ppc_coff_link_hash_table_create | |
186 | ||
187 | \f | |
d6f41a7d KK |
188 | /* The nt loader points the toc register to &toc + 32768, in order to */ |
189 | /* use the complete range of a 16-bit displacement (I guess). We have */ | |
190 | /* to adjust for this when we fix up loads displaced off the toc reg. */ | |
191 | #define TOC_LOAD_ADJUSTMENT (-32768) | |
192 | #define TOC_SECTION_NAME ".private.toc" | |
193 | ||
e7aa05bf KK |
194 | /* The main body of code is in coffcode.h. */ |
195 | ||
196 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) | |
197 | ||
198 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
199 | from smaller values. Start with zero, widen, *then* decrement. */ | |
200 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
201 | ||
202 | /* these should definitely go in a header file somewhere... */ | |
203 | ||
204 | /* NOP */ | |
205 | #define IMAGE_REL_PPC_ABSOLUTE 0x0000 | |
206 | ||
207 | /* 64-bit address */ | |
208 | #define IMAGE_REL_PPC_ADDR64 0x0001 | |
209 | ||
210 | /* 32-bit address */ | |
211 | #define IMAGE_REL_PPC_ADDR32 0x0002 | |
212 | ||
213 | /* 26-bit address, shifted left 2 (branch absolute) */ | |
214 | #define IMAGE_REL_PPC_ADDR24 0x0003 | |
215 | ||
216 | /* 16-bit address */ | |
217 | #define IMAGE_REL_PPC_ADDR16 0x0004 | |
218 | ||
219 | /* 16-bit address, shifted left 2 (load doubleword) */ | |
220 | #define IMAGE_REL_PPC_ADDR14 0x0005 | |
221 | ||
222 | /* 26-bit PC-relative offset, shifted left 2 (branch relative) */ | |
223 | #define IMAGE_REL_PPC_REL24 0x0006 | |
224 | ||
225 | /* 16-bit PC-relative offset, shifted left 2 (br cond relative) */ | |
226 | #define IMAGE_REL_PPC_REL14 0x0007 | |
227 | ||
228 | /* 16-bit offset from TOC base */ | |
229 | #define IMAGE_REL_PPC_TOCREL16 0x0008 | |
230 | ||
231 | /* 16-bit offset from TOC base, shifted left 2 (load doubleword) */ | |
232 | #define IMAGE_REL_PPC_TOCREL14 0x0009 | |
233 | ||
234 | /* 32-bit addr w/o image base */ | |
235 | #define IMAGE_REL_PPC_ADDR32NB 0x000A | |
236 | ||
237 | /* va of containing section (as in an image sectionhdr) */ | |
238 | #define IMAGE_REL_PPC_SECREL 0x000B | |
239 | ||
240 | /* sectionheader number */ | |
241 | #define IMAGE_REL_PPC_SECTION 0x000C | |
242 | ||
243 | /* substitute TOC restore instruction iff symbol is glue code */ | |
244 | #define IMAGE_REL_PPC_IFGLUE 0x000D | |
245 | ||
246 | /* symbol is glue code; virtual address is TOC restore instruction */ | |
247 | #define IMAGE_REL_PPC_IMGLUE 0x000E | |
248 | ||
249 | /* va of containing section (limited to 16 bits) */ | |
250 | #define IMAGE_REL_PPC_SECREL16 0x000F | |
251 | ||
252 | /* stuff to handle immediate data when the number of bits in the */ | |
253 | /* data is greater than the number of bits in the immediate field */ | |
254 | /* We need to do (usually) 32 bit arithmetic on 16 bit chunks */ | |
255 | #define IMAGE_REL_PPC_REFHI 0x0010 | |
256 | #define IMAGE_REL_PPC_REFLO 0x0011 | |
257 | #define IMAGE_REL_PPC_PAIR 0x0012 | |
258 | ||
59066248 KK |
259 | /* This is essentially the same as tocrel16, with TOCDEFN assumed */ |
260 | #define IMAGE_REL_PPC_TOCREL16_DEFN 0x0013 | |
e7aa05bf KK |
261 | |
262 | /* Flag bits in IMAGE_RELOCATION.TYPE */ | |
263 | ||
264 | /* subtract reloc value rather than adding it */ | |
265 | #define IMAGE_REL_PPC_NEG 0x0100 | |
266 | ||
267 | /* fix branch prediction bit to predict branch taken */ | |
268 | #define IMAGE_REL_PPC_BRTAKEN 0x0200 | |
269 | ||
270 | /* fix branch prediction bit to predict branch not taken */ | |
271 | #define IMAGE_REL_PPC_BRNTAKEN 0x0400 | |
272 | ||
273 | /* toc slot defined in file (or, data in toc) */ | |
274 | #define IMAGE_REL_PPC_TOCDEFN 0x0800 | |
275 | ||
276 | /* masks to isolate above values in IMAGE_RELOCATION.Type */ | |
277 | #define IMAGE_REL_PPC_TYPEMASK 0x00FF | |
278 | #define IMAGE_REL_PPC_FLAGMASK 0x0F00 | |
279 | ||
280 | #define EXTRACT_TYPE(x) ((x) & IMAGE_REL_PPC_TYPEMASK) | |
281 | #define EXTRACT_FLAGS(x) ((x) & IMAGE_REL_PPC_FLAGMASK) | |
282 | #define EXTRACT_JUNK(x) \ | |
283 | ((x) & ~(IMAGE_REL_PPC_TYPEMASK | IMAGE_REL_PPC_FLAGMASK)) | |
284 | ||
285 | \f | |
286 | /* static helper functions to make relocation work */ | |
287 | /* (Work In Progress) */ | |
288 | ||
289 | static bfd_reloc_status_type ppc_refhi_reloc PARAMS ((bfd *abfd, | |
290 | arelent *reloc, | |
291 | asymbol *symbol, | |
292 | PTR data, | |
293 | asection *section, | |
294 | bfd *output_bfd, | |
295 | char **error)); | |
296 | static bfd_reloc_status_type ppc_reflo_reloc PARAMS ((bfd *abfd, | |
297 | arelent *reloc, | |
298 | asymbol *symbol, | |
299 | PTR data, | |
300 | asection *section, | |
301 | bfd *output_bfd, | |
302 | char **error)); | |
303 | static bfd_reloc_status_type ppc_pair_reloc PARAMS ((bfd *abfd, | |
304 | arelent *reloc, | |
305 | asymbol *symbol, | |
306 | PTR data, | |
307 | asection *section, | |
308 | bfd *output_bfd, | |
309 | char **error)); | |
310 | ||
311 | \f | |
312 | static bfd_reloc_status_type ppc_toc16_reloc PARAMS ((bfd *abfd, | |
313 | arelent *reloc, | |
314 | asymbol *symbol, | |
315 | PTR data, | |
316 | asection *section, | |
317 | bfd *output_bfd, | |
318 | char **error)); | |
319 | ||
320 | static bfd_reloc_status_type ppc_addr32nb_reloc PARAMS ((bfd *abfd, | |
321 | arelent *reloc, | |
322 | asymbol *symbol, | |
323 | PTR data, | |
324 | asection *section, | |
325 | bfd *output_bfd, | |
326 | char **error)); | |
327 | ||
328 | static bfd_reloc_status_type ppc_section_reloc PARAMS ((bfd *abfd, | |
329 | arelent *reloc, | |
330 | asymbol *symbol, | |
331 | PTR data, | |
332 | asection *section, | |
333 | bfd *output_bfd, | |
334 | char **error)); | |
335 | ||
336 | static bfd_reloc_status_type ppc_secrel_reloc PARAMS ((bfd *abfd, | |
337 | arelent *reloc, | |
338 | asymbol *symbol, | |
339 | PTR data, | |
340 | asection *section, | |
341 | bfd *output_bfd, | |
342 | char **error)); | |
343 | ||
344 | static bfd_reloc_status_type ppc_imglue_reloc PARAMS ((bfd *abfd, | |
345 | arelent *reloc, | |
346 | asymbol *symbol, | |
347 | PTR data, | |
348 | asection *section, | |
349 | bfd *output_bfd, | |
350 | char **error)); | |
351 | ||
352 | ||
353 | ||
d6f41a7d | 354 | static boolean in_reloc_p PARAMS((bfd *abfd, reloc_howto_type *howto)); |
e7aa05bf KK |
355 | |
356 | \f | |
357 | /* FIXME: It'll take a while to get through all of these. I only need a few to | |
358 | get us started, so those I'll make sure work. Those marked FIXME are either | |
359 | completely unverified or have a specific unknown marked in the comment */ | |
360 | ||
361 | /*---------------------------------------------------------------------------*/ | |
362 | /* */ | |
363 | /* Relocation entries for Windows/NT on PowerPC. */ | |
364 | /* */ | |
365 | /* From the document "" we find the following listed as used relocs: */ | |
366 | /* */ | |
367 | /* ABSOLUTE : The noop */ | |
368 | /* ADDR[64|32|16] : fields that hold addresses in data fields or the */ | |
369 | /* 16 bit displacement field on a load/store. */ | |
370 | /* ADDR[24|14] : fields that hold addresses in branch and cond */ | |
371 | /* branches. These represent [26|16] bit addresses. */ | |
372 | /* The low order 2 bits are preserved. */ | |
373 | /* REL[24|14] : branches relative to the Instruction Address */ | |
374 | /* register. These represent [26|16] bit addresses, */ | |
375 | /* as before. The instruction field will be zero, and */ | |
376 | /* the address of the SYM will be inserted at link time. */ | |
377 | /* TOCREL16 : 16 bit displacement field referring to a slot in */ | |
378 | /* toc. */ | |
379 | /* TOCREL14 : 16 bit displacement field, similar to REL14 or ADDR14. */ | |
380 | /* ADDR32NB : 32 bit address relative to the virtual origin. */ | |
381 | /* (On the alpha, this is always a linker generated thunk)*/ | |
382 | /* (i.e. 32bit addr relative to the image base) */ | |
383 | /* SECREL : The value is relative to the start of the section */ | |
384 | /* containing the symbol. */ | |
385 | /* SECTION : access to the header containing the item. Supports the */ | |
386 | /* codeview debugger. */ | |
387 | /* */ | |
388 | /* In particular, note that the document does not indicate that the */ | |
389 | /* relocations listed in the header file are used. */ | |
390 | /* */ | |
391 | /* */ | |
392 | /* */ | |
393 | /*---------------------------------------------------------------------------*/ | |
394 | ||
395 | static reloc_howto_type ppc_coff_howto_table[] = | |
396 | { | |
397 | /* IMAGE_REL_PPC_ABSOLUTE 0x0000 NOP */ | |
398 | /* Unused: */ | |
399 | HOWTO (IMAGE_REL_PPC_ABSOLUTE, /* type */ | |
400 | 0, /* rightshift */ | |
401 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
402 | 0, /* bitsize */ | |
403 | false, /* pc_relative */ | |
404 | 0, /* bitpos */ | |
405 | complain_overflow_dont, /* dont complain_on_overflow */ | |
406 | 0, /* special_function */ | |
407 | "ABSOLUTE", /* name */ | |
408 | false, /* partial_inplace */ | |
409 | 0x00, /* src_mask */ | |
410 | 0x00, /* dst_mask */ | |
411 | false), /* pcrel_offset */ | |
d6f41a7d | 412 | |
e7aa05bf KK |
413 | /* IMAGE_REL_PPC_ADDR64 0x0001 64-bit address */ |
414 | /* Unused: */ | |
415 | HOWTO(IMAGE_REL_PPC_ADDR64, /* type */ | |
d6f41a7d KK |
416 | 0, /* rightshift */ |
417 | 3, /* size (0 = byte, 1 = short, 2 = long) */ | |
418 | 64, /* bitsize */ | |
419 | false, /* pc_relative */ | |
420 | 0, /* bitpos */ | |
421 | complain_overflow_bitfield, /* complain_on_overflow */ | |
422 | 0, /* special_function */ | |
423 | "ADDR64", /* name */ | |
424 | true, /* partial_inplace */ | |
425 | MINUS_ONE, /* src_mask */ | |
426 | MINUS_ONE, /* dst_mask */ | |
427 | false), /* pcrel_offset */ | |
e7aa05bf KK |
428 | |
429 | /* IMAGE_REL_PPC_ADDR32 0x0002 32-bit address */ | |
430 | /* Used: */ | |
431 | HOWTO (IMAGE_REL_PPC_ADDR32, /* type */ | |
432 | 0, /* rightshift */ | |
433 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
434 | 32, /* bitsize */ | |
435 | false, /* pc_relative */ | |
436 | 0, /* bitpos */ | |
437 | complain_overflow_bitfield, /* complain_on_overflow */ | |
438 | 0, /* special_function */ | |
439 | "ADDR32", /* name */ | |
440 | true, /* partial_inplace */ | |
441 | 0xffffffff, /* src_mask */ | |
442 | 0xffffffff, /* dst_mask */ | |
443 | false), /* pcrel_offset */ | |
d6f41a7d | 444 | |
e7aa05bf KK |
445 | /* IMAGE_REL_PPC_ADDR24 0x0003 26-bit address, shifted left 2 (branch absolute) */ |
446 | /* the LI field is in bit 6 through bit 29 is 24 bits, + 2 for the shift */ | |
d6f41a7d | 447 | /* Of course, That's the IBM approved bit numbering, which is not what */ |
e7aa05bf KK |
448 | /* anyone else uses.... The li field is in bit 2 thru 25 */ |
449 | /* Used: */ | |
450 | HOWTO (IMAGE_REL_PPC_ADDR24, /* type */ | |
451 | 0, /* rightshift */ | |
452 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
453 | 26, /* bitsize */ | |
454 | false, /* pc_relative */ | |
455 | 0, /* bitpos */ | |
456 | complain_overflow_bitfield, /* complain_on_overflow */ | |
457 | 0, /* special_function */ | |
458 | "ADDR24", /* name */ | |
459 | true, /* partial_inplace */ | |
460 | 0x07fffffc, /* src_mask */ | |
461 | 0x07fffffc, /* dst_mask */ | |
462 | false), /* pcrel_offset */ | |
d6f41a7d | 463 | |
e7aa05bf KK |
464 | /* IMAGE_REL_PPC_ADDR16 0x0004 16-bit address */ |
465 | /* Used: */ | |
466 | HOWTO (IMAGE_REL_PPC_ADDR16, /* type */ | |
467 | 0, /* rightshift */ | |
468 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
469 | 16, /* bitsize */ | |
470 | false, /* pc_relative */ | |
471 | 0, /* bitpos */ | |
472 | complain_overflow_signed, /* complain_on_overflow */ | |
473 | 0, /* special_function */ | |
474 | "ADDR16", /* name */ | |
475 | true, /* partial_inplace */ | |
476 | 0xffff, /* src_mask */ | |
477 | 0xffff, /* dst_mask */ | |
478 | false), /* pcrel_offset */ | |
d6f41a7d | 479 | |
e7aa05bf KK |
480 | /* IMAGE_REL_PPC_ADDR14 0x0005 */ |
481 | /* 16-bit address, shifted left 2 (load doubleword) */ | |
482 | /* FIXME: the mask is likely wrong, and the bit position may be as well */ | |
483 | /* Unused: */ | |
484 | HOWTO (IMAGE_REL_PPC_ADDR14, /* type */ | |
485 | 1, /* rightshift */ | |
486 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
487 | 16, /* bitsize */ | |
488 | false, /* pc_relative */ | |
489 | 0, /* bitpos */ | |
490 | complain_overflow_signed, /* complain_on_overflow */ | |
491 | 0, /* special_function */ | |
492 | "ADDR16", /* name */ | |
493 | true, /* partial_inplace */ | |
494 | 0xffff, /* src_mask */ | |
495 | 0xffff, /* dst_mask */ | |
496 | false), /* pcrel_offset */ | |
d6f41a7d | 497 | |
e7aa05bf KK |
498 | /* IMAGE_REL_PPC_REL24 0x0006 */ |
499 | /* 26-bit PC-relative offset, shifted left 2 (branch relative) */ | |
500 | /* Used: */ | |
501 | HOWTO (IMAGE_REL_PPC_REL24, /* type */ | |
502 | 0, /* rightshift */ | |
503 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
504 | 26, /* bitsize */ | |
505 | true, /* pc_relative */ | |
506 | 0, /* bitpos */ | |
507 | complain_overflow_signed, /* complain_on_overflow */ | |
508 | 0, /* special_function */ | |
509 | "REL24", /* name */ | |
510 | true, /* partial_inplace */ | |
511 | 0x3fffffc, /* src_mask */ | |
512 | 0x3fffffc, /* dst_mask */ | |
513 | false), /* pcrel_offset */ | |
d6f41a7d | 514 | |
e7aa05bf KK |
515 | /* IMAGE_REL_PPC_REL14 0x0007 */ |
516 | /* 16-bit PC-relative offset, shifted left 2 (br cond relative) */ | |
517 | /* FIXME: the mask is likely wrong, and the bit position may be as well */ | |
518 | /* FIXME: how does it know how far to shift? */ | |
519 | /* Unused: */ | |
520 | HOWTO (IMAGE_REL_PPC_ADDR14, /* type */ | |
521 | 1, /* rightshift */ | |
522 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
523 | 16, /* bitsize */ | |
524 | false, /* pc_relative */ | |
525 | 0, /* bitpos */ | |
526 | complain_overflow_signed, /* complain_on_overflow */ | |
527 | 0, /* special_function */ | |
528 | "ADDR16", /* name */ | |
529 | true, /* partial_inplace */ | |
530 | 0xffff, /* src_mask */ | |
531 | 0xffff, /* dst_mask */ | |
532 | true), /* pcrel_offset */ | |
d6f41a7d | 533 | |
e7aa05bf KK |
534 | /* IMAGE_REL_PPC_TOCREL16 0x0008 */ |
535 | /* 16-bit offset from TOC base */ | |
536 | /* Used: */ | |
537 | HOWTO (IMAGE_REL_PPC_TOCREL16,/* type */ | |
538 | 0, /* rightshift */ | |
539 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
540 | 16, /* bitsize */ | |
541 | false, /* pc_relative */ | |
542 | 0, /* bitpos */ | |
543 | complain_overflow_dont, /* complain_on_overflow */ | |
544 | ppc_toc16_reloc, /* special_function */ | |
545 | "TOCREL16", /* name */ | |
546 | false, /* partial_inplace */ | |
547 | 0xffff, /* src_mask */ | |
548 | 0xffff, /* dst_mask */ | |
549 | false), /* pcrel_offset */ | |
d6f41a7d | 550 | |
e7aa05bf KK |
551 | /* IMAGE_REL_PPC_TOCREL14 0x0009 */ |
552 | /* 16-bit offset from TOC base, shifted left 2 (load doubleword) */ | |
553 | /* Unused: */ | |
554 | HOWTO (IMAGE_REL_PPC_TOCREL14,/* type */ | |
555 | 1, /* rightshift */ | |
556 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
557 | 16, /* bitsize */ | |
558 | false, /* pc_relative */ | |
559 | 0, /* bitpos */ | |
560 | complain_overflow_signed, /* complain_on_overflow */ | |
561 | 0, /* special_function */ | |
562 | "TOCREL14", /* name */ | |
563 | false, /* partial_inplace */ | |
564 | 0xffff, /* src_mask */ | |
565 | 0xffff, /* dst_mask */ | |
d6f41a7d KK |
566 | false), /* pcrel_offset */ |
567 | ||
e7aa05bf KK |
568 | /* IMAGE_REL_PPC_ADDR32NB 0x000A */ |
569 | /* 32-bit addr w/ image base */ | |
570 | /* Unused: */ | |
571 | HOWTO (IMAGE_REL_PPC_ADDR32NB,/* type */ | |
572 | 0, /* rightshift */ | |
573 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
574 | 32, /* bitsize */ | |
575 | false, /* pc_relative */ | |
576 | 0, /* bitpos */ | |
577 | complain_overflow_signed, /* complain_on_overflow */ | |
d6f41a7d | 578 | 0, /* special_function */ |
e7aa05bf KK |
579 | "ADDR32NB", /* name */ |
580 | true, /* partial_inplace */ | |
581 | 0xffffffff, /* src_mask */ | |
582 | 0xffffffff, /* dst_mask */ | |
d6f41a7d KK |
583 | false), /* pcrel_offset */ |
584 | ||
e7aa05bf KK |
585 | /* IMAGE_REL_PPC_SECREL 0x000B */ |
586 | /* va of containing section (as in an image sectionhdr) */ | |
587 | /* Unused: */ | |
588 | HOWTO (IMAGE_REL_PPC_SECREL,/* type */ | |
589 | 0, /* rightshift */ | |
590 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
591 | 32, /* bitsize */ | |
592 | false, /* pc_relative */ | |
593 | 0, /* bitpos */ | |
594 | complain_overflow_signed, /* complain_on_overflow */ | |
595 | ppc_secrel_reloc, /* special_function */ | |
596 | "SECREL", /* name */ | |
597 | true, /* partial_inplace */ | |
598 | 0xffffffff, /* src_mask */ | |
599 | 0xffffffff, /* dst_mask */ | |
600 | true), /* pcrel_offset */ | |
601 | ||
602 | /* IMAGE_REL_PPC_SECTION 0x000C */ | |
603 | /* sectionheader number */ | |
604 | /* Unused: */ | |
605 | HOWTO (IMAGE_REL_PPC_SECTION,/* type */ | |
606 | 0, /* rightshift */ | |
607 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
608 | 32, /* bitsize */ | |
609 | false, /* pc_relative */ | |
610 | 0, /* bitpos */ | |
611 | complain_overflow_signed, /* complain_on_overflow */ | |
612 | ppc_section_reloc, /* special_function */ | |
613 | "SECTION", /* name */ | |
614 | true, /* partial_inplace */ | |
615 | 0xffffffff, /* src_mask */ | |
616 | 0xffffffff, /* dst_mask */ | |
617 | true), /* pcrel_offset */ | |
618 | ||
619 | /* IMAGE_REL_PPC_IFGLUE 0x000D */ | |
620 | /* substitute TOC restore instruction iff symbol is glue code */ | |
621 | /* Used: */ | |
622 | HOWTO (IMAGE_REL_PPC_IFGLUE,/* type */ | |
623 | 0, /* rightshift */ | |
624 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
625 | 32, /* bitsize */ | |
626 | false, /* pc_relative */ | |
627 | 0, /* bitpos */ | |
628 | complain_overflow_signed, /* complain_on_overflow */ | |
629 | 0, /* special_function */ | |
630 | "IFGLUE", /* name */ | |
631 | true, /* partial_inplace */ | |
632 | 0xffffffff, /* src_mask */ | |
633 | 0xffffffff, /* dst_mask */ | |
d6f41a7d | 634 | false), /* pcrel_offset */ |
e7aa05bf KK |
635 | |
636 | /* IMAGE_REL_PPC_IMGLUE 0x000E */ | |
637 | /* symbol is glue code; virtual address is TOC restore instruction */ | |
638 | /* Unused: */ | |
639 | HOWTO (IMAGE_REL_PPC_IMGLUE,/* type */ | |
640 | 0, /* rightshift */ | |
641 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
642 | 32, /* bitsize */ | |
643 | false, /* pc_relative */ | |
644 | 0, /* bitpos */ | |
645 | complain_overflow_dont, /* complain_on_overflow */ | |
646 | ppc_imglue_reloc, /* special_function */ | |
647 | "IMGLUE", /* name */ | |
648 | false, /* partial_inplace */ | |
649 | 0xffffffff, /* src_mask */ | |
650 | 0xffffffff, /* dst_mask */ | |
651 | false), /* pcrel_offset */ | |
652 | ||
653 | /* IMAGE_REL_PPC_SECREL16 0x000F */ | |
654 | /* va of containing section (limited to 16 bits) */ | |
655 | /* Unused: */ | |
656 | HOWTO (IMAGE_REL_PPC_SECREL16,/* type */ | |
657 | 0, /* rightshift */ | |
658 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
659 | 16, /* bitsize */ | |
660 | false, /* pc_relative */ | |
661 | 0, /* bitpos */ | |
662 | complain_overflow_signed, /* complain_on_overflow */ | |
663 | 0, /* special_function */ | |
664 | "SECREL16", /* name */ | |
665 | true, /* partial_inplace */ | |
666 | 0xffff, /* src_mask */ | |
667 | 0xffff, /* dst_mask */ | |
668 | true), /* pcrel_offset */ | |
669 | ||
670 | /* IMAGE_REL_PPC_REFHI 0x0010 */ | |
671 | /* Unused: */ | |
672 | HOWTO (IMAGE_REL_PPC_REFHI, /* type */ | |
673 | 0, /* rightshift */ | |
674 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
675 | 16, /* bitsize */ | |
676 | false, /* pc_relative */ | |
677 | 0, /* bitpos */ | |
678 | complain_overflow_signed, /* complain_on_overflow */ | |
679 | ppc_refhi_reloc, /* special_function */ | |
680 | "REFHI", /* name */ | |
681 | true, /* partial_inplace */ | |
682 | 0xffffffff, /* src_mask */ | |
683 | 0xffffffff, /* dst_mask */ | |
684 | false), /* pcrel_offset */ | |
685 | ||
686 | /* IMAGE_REL_PPC_REFLO 0x0011 */ | |
687 | /* Unused: */ | |
688 | HOWTO (IMAGE_REL_PPC_REFLO, /* type */ | |
689 | 0, /* rightshift */ | |
690 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
691 | 16, /* bitsize */ | |
692 | false, /* pc_relative */ | |
693 | 0, /* bitpos */ | |
694 | complain_overflow_signed, /* complain_on_overflow */ | |
695 | ppc_refhi_reloc, /* special_function */ | |
696 | "REFLO", /* name */ | |
697 | true, /* partial_inplace */ | |
698 | 0xffffffff, /* src_mask */ | |
699 | 0xffffffff, /* dst_mask */ | |
700 | false), /* pcrel_offset */ | |
701 | ||
702 | /* IMAGE_REL_PPC_PAIR 0x0012 */ | |
703 | /* Unused: */ | |
704 | HOWTO (IMAGE_REL_PPC_PAIR, /* type */ | |
705 | 0, /* rightshift */ | |
706 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
707 | 16, /* bitsize */ | |
708 | false, /* pc_relative */ | |
709 | 0, /* bitpos */ | |
710 | complain_overflow_signed, /* complain_on_overflow */ | |
711 | ppc_pair_reloc, /* special_function */ | |
712 | "PAIR", /* name */ | |
713 | true, /* partial_inplace */ | |
714 | 0xffffffff, /* src_mask */ | |
715 | 0xffffffff, /* dst_mask */ | |
59066248 KK |
716 | false), /* pcrel_offset */ |
717 | ||
718 | /* IMAGE_REL_PPC_TOCREL16_DEFN 0x0013 */ | |
719 | /* 16-bit offset from TOC base, without causing a definition */ | |
720 | /* Used: */ | |
721 | HOWTO ( (IMAGE_REL_PPC_TOCREL16 | IMAGE_REL_PPC_TOCDEFN), /* type */ | |
722 | 0, /* rightshift */ | |
723 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
724 | 16, /* bitsize */ | |
725 | false, /* pc_relative */ | |
726 | 0, /* bitpos */ | |
727 | complain_overflow_dont, /* complain_on_overflow */ | |
728 | 0, /* special_function */ | |
729 | "TOCREL16, TOCDEFN", /* name */ | |
730 | false, /* partial_inplace */ | |
731 | 0xffff, /* src_mask */ | |
732 | 0xffff, /* dst_mask */ | |
733 | false), /* pcrel_offset */ | |
734 | ||
e7aa05bf KK |
735 | }; |
736 | ||
737 | ||
d6f41a7d KK |
738 | \f |
739 | ||
740 | /* Some really cheezy macros that can be turned on to test stderr :-) */ | |
741 | ||
d6f41a7d KK |
742 | #ifdef DEBUG_RELOC |
743 | #define UN_IMPL(x) \ | |
744 | { \ | |
745 | static int i; \ | |
746 | if (i == 0) \ | |
747 | { \ | |
748 | i = 1; \ | |
749 | fprintf(stderr,"Unimplemented Relocation -- %s\n",x); \ | |
750 | } \ | |
751 | } | |
752 | ||
753 | #define DUMP_RELOC(n,r) \ | |
754 | { \ | |
755 | fprintf(stderr,"%s sym %d, addr %d, addend %d\n", \ | |
756 | n, (*(r->sym_ptr_ptr))->name, \ | |
757 | r->address, r->addend); \ | |
758 | } | |
759 | ||
760 | /* Given a reloc name, n, and a pointer to an internal_reloc, | |
761 | dump out interesting information on the contents | |
762 | ||
763 | #define n_name _n._n_name | |
764 | #define n_zeroes _n._n_n._n_zeroes | |
765 | #define n_offset _n._n_n._n_offset | |
766 | ||
767 | */ | |
768 | ||
769 | #define DUMP_RELOC2(n,r) \ | |
770 | { \ | |
cd2b2402 KK |
771 | fprintf(stderr,"%s sym %d, r_vaddr %d %s\n", \ |
772 | n, r->r_symndx, r->r_vaddr,\ | |
773 | (((r->r_type) & IMAGE_REL_PPC_TOCDEFN) == 0) \ | |
774 | ?" ":" TOCDEFN" ); \ | |
d6f41a7d KK |
775 | } |
776 | ||
777 | #else | |
778 | #define UN_IMPL(x) | |
779 | #define DUMP_RELOC(n,r) | |
780 | #define DUMP_RELOC2(n,r) | |
781 | #endif | |
782 | ||
783 | ||
784 | \f | |
785 | /* toc construction and management routines */ | |
786 | extern bfd* bfd_of_toc_owner; | |
787 | extern long int global_toc_size; | |
788 | ||
789 | extern long int import_table_size; | |
790 | extern long int first_thunk_address; | |
791 | extern long int thunk_size; | |
792 | ||
793 | enum toc_type | |
794 | { | |
795 | default_toc, | |
796 | toc_32, | |
797 | toc_64 | |
798 | }; | |
799 | ||
a9713b91 ILT |
800 | enum ref_category |
801 | { | |
802 | priv, | |
803 | pub, | |
804 | data | |
805 | }; | |
806 | ||
93b6a3f8 KK |
807 | struct list_ele |
808 | { | |
809 | struct list_ele *next; | |
810 | bfd_vma addr; | |
a9713b91 | 811 | enum ref_category cat; |
93b6a3f8 KK |
812 | int offset; |
813 | const char *name; | |
814 | }; | |
815 | ||
816 | extern struct list_ele *head; | |
817 | extern struct list_ele *tail; | |
818 | ||
819 | static void | |
a9713b91 | 820 | record_toc(toc_section, our_toc_offset, cat, name) |
93b6a3f8 KK |
821 | asection *toc_section; |
822 | int our_toc_offset; | |
a9713b91 | 823 | enum ref_category cat; |
93b6a3f8 KK |
824 | const char *name; |
825 | { | |
826 | /* add this entry to our toc addr-offset-name list */ | |
827 | struct list_ele *t; | |
58142f10 ILT |
828 | t = bfd_malloc (sizeof (struct list_ele)); |
829 | if (t == NULL) | |
830 | abort (); | |
93b6a3f8 KK |
831 | t->next = 0; |
832 | t->offset = our_toc_offset; | |
833 | t->name = name; | |
a9713b91 | 834 | t->cat = cat; |
93b6a3f8 KK |
835 | t->addr = toc_section->output_offset + our_toc_offset; |
836 | ||
837 | if (head == 0) | |
838 | { | |
839 | head = t; | |
840 | tail = t; | |
841 | } | |
842 | else | |
843 | { | |
844 | tail->next = t; | |
845 | tail = t; | |
846 | } | |
847 | } | |
848 | ||
d6f41a7d KK |
849 | /* record a toc offset against a symbol */ |
850 | static int | |
851 | ppc_record_toc_entry(abfd, info, sec, sym, toc_kind) | |
852 | bfd *abfd; | |
853 | struct bfd_link_info *info; | |
854 | asection *sec; | |
855 | int sym; | |
856 | enum toc_type toc_kind; | |
857 | { | |
858 | bfd_byte *t; | |
859 | bfd_byte *old_contents; | |
860 | asection *s; | |
861 | int element_size; | |
862 | int data; | |
863 | int offset; | |
93b6a3f8 | 864 | struct ppc_coff_link_hash_entry *h; |
d6f41a7d KK |
865 | struct coff_symbol_struct *target; |
866 | int ret_val; | |
867 | const char *name; | |
868 | ||
869 | int *local_syms; | |
870 | ||
871 | h = 0; | |
872 | ||
93b6a3f8 KK |
873 | h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]); |
874 | if (h != 0) | |
875 | { | |
876 | CHECK_EYE(h->eye_catcher); | |
877 | } | |
d6f41a7d KK |
878 | |
879 | if (h == 0) | |
880 | { | |
881 | local_syms = obj_coff_local_toc_table(abfd); | |
882 | if (local_syms == 0) | |
883 | { | |
884 | int i; | |
885 | /* allocate a table */ | |
886 | local_syms = | |
887 | (int *) bfd_zalloc (abfd, | |
888 | obj_raw_syment_count(abfd) * sizeof(int)); | |
889 | if (local_syms == 0) | |
a9713b91 | 890 | return false; |
d6f41a7d KK |
891 | obj_coff_local_toc_table(abfd) = local_syms; |
892 | for (i = 0; i < obj_raw_syment_count(abfd); ++i) | |
59066248 KK |
893 | { |
894 | SET_UNALLOCATED(local_syms[i]); | |
895 | } | |
d6f41a7d KK |
896 | } |
897 | ||
59066248 | 898 | if (IS_UNALLOCATED(local_syms[sym])) |
d6f41a7d KK |
899 | { |
900 | local_syms[sym] = global_toc_size; | |
901 | ret_val = global_toc_size; | |
902 | global_toc_size += 4; | |
a9713b91 ILT |
903 | |
904 | /* The size must fit in a 16bit displacment */ | |
905 | if (global_toc_size >= 65535) | |
906 | { | |
907 | fprintf(stderr, | |
908 | "Exceeded toc size of 65535\n"); | |
909 | abort(); | |
910 | } | |
911 | ||
d6f41a7d KK |
912 | #ifdef TOC_DEBUG |
913 | fprintf(stderr, | |
914 | "Setting toc_offset for local sym %d to %d\n", | |
915 | sym, ret_val); | |
916 | #endif | |
917 | } | |
918 | else | |
919 | { | |
920 | ret_val = local_syms[sym]; | |
921 | #ifdef TOC_DEBUG | |
922 | fprintf(stderr, | |
923 | "toc_offset already set for local sym %d to %d\n", | |
924 | sym, ret_val); | |
925 | #endif | |
926 | } | |
927 | } | |
928 | else | |
929 | { | |
93b6a3f8 | 930 | name = h->root.root.root.string; |
d6f41a7d KK |
931 | |
932 | /* check to see if there's a toc slot allocated. If not, do it | |
933 | here. It will be used in relocate_section */ | |
59066248 | 934 | if (IS_UNALLOCATED(h->toc_offset)) |
d6f41a7d KK |
935 | { |
936 | h->toc_offset = global_toc_size; | |
937 | ret_val = global_toc_size; | |
938 | global_toc_size += 4; | |
a9713b91 ILT |
939 | |
940 | /* The size must fit in a 16bit displacment */ | |
941 | if (global_toc_size >= 65535) | |
942 | { | |
943 | fprintf(stderr, | |
944 | "Exceeded toc size of 65535\n"); | |
945 | abort(); | |
946 | } | |
947 | ||
d6f41a7d KK |
948 | #ifdef TOC_DEBUG |
949 | fprintf(stderr, | |
950 | "Setting toc_offset for sym %d (%s) [h=%p] to %d\n", | |
951 | sym, name, h, ret_val); | |
952 | #endif | |
953 | } | |
954 | else | |
955 | { | |
956 | ret_val = h->toc_offset; | |
957 | #ifdef TOC_DEBUG | |
958 | fprintf(stderr, | |
959 | "toc_offset already set for sym %d (%s) [h=%p] to %d\n", | |
960 | sym, name, h, ret_val); | |
961 | #endif | |
962 | } | |
963 | } | |
964 | ||
965 | return ret_val; | |
966 | } | |
cd2b2402 KK |
967 | /* FIXME: record a toc offset against a data-in-toc symbol */ |
968 | /* Now, there is currenly some confusion on what this means. In some | |
969 | compilers one sees the moral equivalent of: | |
970 | .tocd | |
971 | define some data | |
972 | .text | |
973 | refer to the data with a [tocv] qualifier | |
974 | In general, one sees something to indicate that a tocd has been | |
975 | seen, and that would trigger the allocation of data in toc. The IBM | |
976 | docs seem to suggest that anything with the TOCDEFN qualifier should | |
977 | never trigger storage allocation. However, in the kernel32.lib that | |
978 | we've been using for our test bed, there are a couple of variables | |
979 | referenced that fail that test. | |
980 | ||
981 | So it can't work that way. | |
982 | */ | |
983 | static int | |
984 | ppc_record_data_in_toc_entry(abfd, info, sec, sym, toc_kind) | |
985 | bfd *abfd; | |
986 | struct bfd_link_info *info; | |
987 | asection *sec; | |
988 | int sym; | |
989 | enum toc_type toc_kind; | |
990 | { | |
991 | bfd_byte *t; | |
992 | bfd_byte *old_contents; | |
993 | asection *s; | |
994 | int element_size; | |
995 | int data; | |
996 | int offset; | |
997 | struct ppc_coff_link_hash_entry *h = 0; | |
998 | struct coff_symbol_struct *target; | |
999 | int ret_val; | |
1000 | const char *name; | |
1001 | ||
1002 | int *local_syms; | |
1003 | ||
1004 | h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]); | |
1005 | ||
1006 | if (h == 0) | |
1007 | { | |
1008 | local_syms = obj_coff_local_toc_table(abfd); | |
1009 | if (local_syms == 0) | |
1010 | { | |
1011 | int i; | |
1012 | /* allocate a table */ | |
1013 | local_syms = | |
1014 | (int *) bfd_zalloc (abfd, | |
1015 | obj_raw_syment_count(abfd) * sizeof(int)); | |
1016 | if (local_syms == 0) | |
a9713b91 | 1017 | return false; |
cd2b2402 KK |
1018 | obj_coff_local_toc_table(abfd) = local_syms; |
1019 | for (i = 0; i < obj_raw_syment_count(abfd); ++i) | |
59066248 KK |
1020 | { |
1021 | SET_UNALLOCATED(local_syms[i]); | |
1022 | } | |
cd2b2402 KK |
1023 | } |
1024 | ||
59066248 | 1025 | if (IS_UNALLOCATED(local_syms[sym])) |
cd2b2402 KK |
1026 | { |
1027 | local_syms[sym] = global_toc_size; | |
1028 | ret_val = global_toc_size; | |
1029 | global_toc_size += 4; | |
1030 | #ifdef TOC_DEBUG | |
1031 | fprintf(stderr, | |
1032 | "Setting data_in_toc_offset for local sym %d to %d\n", | |
1033 | sym, ret_val); | |
1034 | #endif | |
1035 | } | |
1036 | else | |
1037 | { | |
1038 | ret_val = local_syms[sym]; | |
1039 | #ifdef TOC_DEBUG | |
1040 | fprintf(stderr, | |
1041 | "data_in_toc_offset already set for local sym %d to %d\n", | |
1042 | sym, ret_val); | |
1043 | #endif | |
1044 | } | |
1045 | } | |
1046 | else | |
1047 | { | |
1048 | CHECK_EYE(h->eye_catcher); | |
1049 | ||
1050 | name = h->root.root.root.string; | |
1051 | ||
1052 | /* check to see if there's a toc slot allocated. If not, do it | |
1053 | here. It will be used in relocate_section */ | |
59066248 | 1054 | if (IS_UNALLOCATED(h->toc_offset)) |
cd2b2402 KK |
1055 | { |
1056 | #if 0 | |
1057 | h->toc_offset = global_toc_size; | |
1058 | #endif | |
1059 | ret_val = global_toc_size; | |
1060 | /* We're allocating a chunk of the toc, as opposed to a slot */ | |
1061 | /* FIXME: alignment? */ | |
1062 | ||
1063 | global_toc_size += 4; | |
1064 | #ifdef TOC_DEBUG | |
1065 | fprintf(stderr, | |
1066 | "Setting data_in_toc_offset for sym %d (%s) [h=%p] to %d\n", | |
1067 | sym, name, h, ret_val); | |
1068 | #endif | |
1069 | } | |
1070 | else | |
1071 | { | |
1072 | ret_val = h->toc_offset; | |
1073 | #ifdef TOC_DEBUG | |
1074 | fprintf(stderr, | |
1075 | "data_in_toc_offset already set for sym %d (%s) [h=%p] to %d\n", | |
1076 | sym, name, h, ret_val); | |
1077 | #endif | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | return ret_val; | |
1082 | } | |
d6f41a7d | 1083 | |
93b6a3f8 KK |
1084 | /* record a toc offset against a symbol */ |
1085 | static void | |
1086 | ppc_mark_symbol_as_glue(abfd, sym, rel) | |
1087 | bfd *abfd; | |
1088 | int sym; | |
1089 | struct internal_reloc *rel; | |
1090 | { | |
1091 | struct ppc_coff_link_hash_entry *h; | |
1092 | ||
1093 | h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]); | |
1094 | ||
1095 | CHECK_EYE(h->eye_catcher); | |
1096 | ||
1097 | h->symbol_is_glue = 1; | |
1098 | h->glue_insn = bfd_get_32 (abfd, (bfd_byte *) &rel->r_vaddr); | |
1099 | ||
1100 | return; | |
1101 | } | |
1102 | ||
d6f41a7d | 1103 | \f |
e7aa05bf KK |
1104 | /* Provided the symbol, returns the value reffed */ |
1105 | static long get_symbol_value PARAMS ((asymbol *)); | |
1106 | ||
1107 | static long | |
1108 | get_symbol_value (symbol) | |
1109 | asymbol *symbol; | |
1110 | { | |
1111 | long relocation = 0; | |
1112 | ||
1113 | if (bfd_is_com_section (symbol->section)) | |
d6f41a7d KK |
1114 | { |
1115 | relocation = 0; | |
1116 | } | |
e7aa05bf | 1117 | else |
d6f41a7d KK |
1118 | { |
1119 | relocation = symbol->value + | |
1120 | symbol->section->output_section->vma + | |
1121 | symbol->section->output_offset; | |
1122 | } | |
e7aa05bf KK |
1123 | |
1124 | return(relocation); | |
1125 | } | |
1126 | ||
d6f41a7d KK |
1127 | /* Return true if this relocation should |
1128 | appear in the output .reloc section. */ | |
1129 | ||
1130 | static boolean in_reloc_p(abfd, howto) | |
1131 | bfd * abfd; | |
1132 | reloc_howto_type *howto; | |
1133 | { | |
1134 | return | |
1135 | (! howto->pc_relative) | |
caa740be | 1136 | && (howto->type != IMAGE_REL_PPC_ADDR32NB) |
d6f41a7d | 1137 | && (howto->type != IMAGE_REL_PPC_TOCREL16) |
caa740be KK |
1138 | && (howto->type != IMAGE_REL_PPC_IMGLUE) |
1139 | && (howto->type != IMAGE_REL_PPC_IFGLUE) | |
1140 | && (howto->type != IMAGE_REL_PPC_SECREL) | |
1141 | && (howto->type != IMAGE_REL_PPC_SECTION) | |
1142 | && (howto->type != IMAGE_REL_PPC_SECREL16) | |
1143 | && (howto->type != IMAGE_REL_PPC_REFHI) | |
1144 | && (howto->type != IMAGE_REL_PPC_REFLO) | |
1145 | && (howto->type != IMAGE_REL_PPC_PAIR) | |
1146 | && (howto->type != IMAGE_REL_PPC_TOCREL16_DEFN) ; | |
d6f41a7d KK |
1147 | } |
1148 | ||
e7aa05bf KK |
1149 | /* this function is in charge of performing all the ppc PE relocations */ |
1150 | /* Don't yet know if we want to do this this particular way ... (krk) */ | |
d6f41a7d | 1151 | /* FIXME: (it is not yet enabled) */ |
e7aa05bf KK |
1152 | |
1153 | static bfd_reloc_status_type | |
1154 | pe_ppc_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd, | |
d6f41a7d | 1155 | error_message) |
e7aa05bf KK |
1156 | bfd *abfd; |
1157 | arelent *reloc_entry; | |
1158 | asymbol *symbol_in; | |
1159 | PTR data; | |
1160 | asection *input_section; | |
1161 | bfd *output_bfd; | |
1162 | char **error_message; | |
1163 | { | |
1164 | /* the consth relocation comes in two parts, we have to remember | |
1165 | the state between calls, in these variables */ | |
1166 | static boolean part1_consth_active = false; | |
1167 | static unsigned long part1_consth_value; | |
1168 | ||
1169 | unsigned long insn; | |
1170 | unsigned long sym_value; | |
1171 | unsigned long unsigned_value; | |
1172 | unsigned short r_type; | |
1173 | long signed_value; | |
d6f41a7d | 1174 | |
e7aa05bf KK |
1175 | unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/ |
1176 | bfd_byte *hit_data =addr + (bfd_byte *)(data); | |
1177 | ||
d6f41a7d | 1178 | fprintf(stderr, "pe_ppc_reloc (%s)\n", TARGET_LITTLE_NAME); |
e7aa05bf | 1179 | |
d6f41a7d | 1180 | r_type = reloc_entry->howto->type; |
e7aa05bf | 1181 | |
d6f41a7d KK |
1182 | if (output_bfd) |
1183 | { | |
1184 | /* Partial linking - do nothing */ | |
1185 | reloc_entry->address += input_section->output_offset; | |
1186 | return bfd_reloc_ok; | |
1187 | } | |
e7aa05bf KK |
1188 | |
1189 | if (symbol_in != NULL | |
1190 | && bfd_is_und_section (symbol_in->section)) | |
e7aa05bf | 1191 | { |
d6f41a7d KK |
1192 | /* Keep the state machine happy in case we're called again */ |
1193 | if (r_type == IMAGE_REL_PPC_REFHI) | |
1194 | { | |
1195 | part1_consth_active = true; | |
1196 | part1_consth_value = 0; | |
1197 | } | |
1198 | return(bfd_reloc_undefined); | |
e7aa05bf | 1199 | } |
d6f41a7d | 1200 | |
e7aa05bf | 1201 | if ((part1_consth_active) && (r_type != IMAGE_REL_PPC_PAIR)) |
e7aa05bf | 1202 | { |
d6f41a7d KK |
1203 | part1_consth_active = false; |
1204 | *error_message = (char *) "Missing PAIR"; | |
e7aa05bf KK |
1205 | return(bfd_reloc_dangerous); |
1206 | } | |
e7aa05bf | 1207 | |
e7aa05bf | 1208 | |
d6f41a7d KK |
1209 | sym_value = get_symbol_value(symbol_in); |
1210 | ||
e7aa05bf KK |
1211 | return(bfd_reloc_ok); |
1212 | } | |
1213 | ||
1214 | /* The reloc processing routine for the optimized COFF linker. */ | |
1215 | ||
1216 | static boolean | |
1217 | coff_ppc_relocate_section (output_bfd, info, input_bfd, input_section, | |
d6f41a7d | 1218 | contents, relocs, syms, sections) |
e7aa05bf KK |
1219 | bfd *output_bfd; |
1220 | struct bfd_link_info *info; | |
1221 | bfd *input_bfd; | |
1222 | asection *input_section; | |
1223 | bfd_byte *contents; | |
1224 | struct internal_reloc *relocs; | |
1225 | struct internal_syment *syms; | |
1226 | asection **sections; | |
1227 | { | |
1228 | struct internal_reloc *rel; | |
1229 | struct internal_reloc *relend; | |
1230 | boolean hihalf; | |
1231 | bfd_vma hihalf_val; | |
d6f41a7d KK |
1232 | asection *toc_section = 0; |
1233 | bfd_vma relocation; | |
1234 | reloc_howto_type *howto = 0; | |
1235 | ||
1236 | #ifdef DEBUG_RELOC | |
1237 | fprintf(stderr, | |
13d1a4dd | 1238 | "pe_ppc_relocate_section (%s) for %s in bfd %s\n", |
d6f41a7d | 1239 | TARGET_LITTLE_NAME, |
13d1a4dd KK |
1240 | input_section->name, |
1241 | input_bfd->filename); | |
d6f41a7d KK |
1242 | |
1243 | #endif | |
e7aa05bf KK |
1244 | |
1245 | /* If we are performing a relocateable link, we don't need to do a | |
1246 | thing. The caller will take care of adjusting the reloc | |
1247 | addresses and symbol indices. */ | |
e7aa05bf KK |
1248 | if (info->relocateable) |
1249 | return true; | |
d6f41a7d | 1250 | |
e7aa05bf KK |
1251 | hihalf = false; |
1252 | hihalf_val = 0; | |
1253 | ||
1254 | rel = relocs; | |
1255 | relend = rel + input_section->reloc_count; | |
1256 | for (; rel < relend; rel++) | |
1257 | { | |
1258 | long symndx; | |
93b6a3f8 | 1259 | struct ppc_coff_link_hash_entry *h; |
e7aa05bf | 1260 | struct internal_syment *sym; |
e7aa05bf | 1261 | bfd_vma val; |
d6f41a7d KK |
1262 | |
1263 | asection *sec; | |
e7aa05bf | 1264 | bfd_reloc_status_type rstat; |
d6f41a7d KK |
1265 | bfd_byte *loc; |
1266 | ||
1267 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); | |
1268 | unsigned short r_flags = EXTRACT_FLAGS(rel->r_type); | |
1269 | unsigned short junk = EXTRACT_JUNK (rel->r_type); | |
1270 | ||
1271 | #ifdef DEBUG_RELOC | |
93b6a3f8 KK |
1272 | /* now examine flags */ |
1273 | if (r_flags != 0) | |
1274 | { | |
1275 | fprintf (stderr, "Reloc with flags found!"); | |
1276 | if ( r_flags & IMAGE_REL_PPC_NEG ) | |
1277 | fprintf (stderr, " NEG"); | |
1278 | if ( r_flags & IMAGE_REL_PPC_BRTAKEN ) | |
1279 | fprintf (stderr, " BRTAKEN"); | |
1280 | if ( r_flags & IMAGE_REL_PPC_BRNTAKEN ) | |
1281 | fprintf (stderr, " BRNTAKEN"); | |
1282 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) | |
1283 | fprintf (stderr, " TOCDEFN"); | |
1284 | fprintf(stderr, "\n"); | |
1285 | } | |
d6f41a7d | 1286 | #endif |
e7aa05bf KK |
1287 | |
1288 | symndx = rel->r_symndx; | |
1289 | loc = contents + rel->r_vaddr - input_section->vma; | |
1290 | ||
d6f41a7d KK |
1291 | /* FIXME: check bounds on r_type */ |
1292 | howto = ppc_coff_howto_table + r_type; | |
1293 | ||
e7aa05bf | 1294 | if (symndx == -1) |
d6f41a7d KK |
1295 | { |
1296 | h = NULL; | |
1297 | sym = NULL; | |
1298 | } | |
e7aa05bf | 1299 | else |
d6f41a7d | 1300 | { |
93b6a3f8 KK |
1301 | h = (struct ppc_coff_link_hash_entry *) |
1302 | (obj_coff_sym_hashes (input_bfd)[symndx]); | |
1303 | if (h != 0) | |
1304 | { | |
1305 | CHECK_EYE(h->eye_catcher); | |
1306 | } | |
1307 | ||
d6f41a7d KK |
1308 | sym = syms + symndx; |
1309 | } | |
e7aa05bf | 1310 | |
e7aa05bf KK |
1311 | sec = NULL; |
1312 | val = 0; | |
1313 | ||
d6f41a7d KK |
1314 | /* FIXME: PAIR unsupported in the following code */ |
1315 | if (h == NULL) | |
1316 | { | |
1317 | if (symndx == -1) | |
1318 | sec = bfd_abs_section_ptr; | |
1319 | else | |
1320 | { | |
1321 | sec = sections[symndx]; | |
1322 | val = (sec->output_section->vma | |
1323 | + sec->output_offset | |
1324 | + sym->n_value | |
1325 | - sec->vma); | |
1326 | } | |
1327 | } | |
1328 | else | |
1329 | { | |
93b6a3f8 KK |
1330 | CHECK_EYE(h->eye_catcher); |
1331 | ||
1332 | if (h->root.root.type == bfd_link_hash_defined | |
1333 | || h->root.root.type == bfd_link_hash_defweak) | |
d6f41a7d | 1334 | { |
93b6a3f8 KK |
1335 | sec = h->root.root.u.def.section; |
1336 | val = (h->root.root.u.def.value | |
d6f41a7d KK |
1337 | + sec->output_section->vma |
1338 | + sec->output_offset); | |
1339 | } | |
1340 | else | |
1341 | { | |
13d1a4dd KK |
1342 | fprintf(stderr, |
1343 | "missing %s\n",h->root.root.root.string); | |
d6f41a7d | 1344 | if (! ((*info->callbacks->undefined_symbol) |
93b6a3f8 | 1345 | (info, h->root.root.root.string, input_bfd, input_section, |
d6f41a7d KK |
1346 | rel->r_vaddr - input_section->vma))) |
1347 | return false; | |
1348 | } | |
1349 | } | |
e7aa05bf | 1350 | |
d6f41a7d KK |
1351 | rstat = bfd_reloc_ok; |
1352 | ||
1353 | /* Each case must do its own relocation, setting rstat appropriately */ | |
e7aa05bf KK |
1354 | switch (r_type) |
1355 | { | |
1356 | default: | |
d6f41a7d KK |
1357 | fprintf( stderr, |
1358 | "ERROR: during reloc processing -- unsupported reloc %s\n", | |
1359 | howto->name); | |
e7aa05bf | 1360 | bfd_set_error (bfd_error_bad_value); |
d6f41a7d | 1361 | abort(); |
e7aa05bf KK |
1362 | return false; |
1363 | case IMAGE_REL_PPC_TOCREL16: | |
d6f41a7d KK |
1364 | { |
1365 | bfd_vma our_toc_offset; | |
1366 | int fixit; | |
1367 | ||
1368 | DUMP_RELOC2(howto->name, rel); | |
1369 | ||
1370 | if (toc_section == 0) | |
1371 | { | |
1372 | toc_section = bfd_get_section_by_name (bfd_of_toc_owner, | |
1373 | TOC_SECTION_NAME); | |
1374 | #ifdef TOC_DEBUG | |
1375 | ||
1376 | fprintf(stderr, | |
13d1a4dd KK |
1377 | "BFD of toc owner %p (%s), section addr of %s %p\n", |
1378 | bfd_of_toc_owner, bfd_of_toc_owner->filename, | |
1379 | TOC_SECTION_NAME, toc_section); | |
d6f41a7d KK |
1380 | #endif |
1381 | ||
1382 | if ( toc_section == NULL ) | |
1383 | { | |
1384 | fprintf(stderr, "No Toc section!\n"); | |
1385 | abort(); | |
1386 | } | |
1387 | } | |
1388 | ||
1389 | /* | |
1390 | * Amazing bit tricks present. As we may have seen earlier, we | |
1391 | * use the 1 bit to tell us whether or not a toc offset has been | |
1392 | * allocated. Now that they've all been allocated, we will use | |
1393 | * the 1 bit to tell us if we've written this particular toc | |
1394 | * entry out. | |
1395 | */ | |
1396 | fixit = false; | |
1397 | if (h == 0) | |
1398 | { /* it is a file local symbol */ | |
1399 | int *local_toc_table; | |
1400 | const char *name; | |
1401 | ||
1402 | sym = syms + symndx; | |
1403 | name = sym->_n._n_name; | |
1404 | ||
1405 | local_toc_table = obj_coff_local_toc_table(input_bfd); | |
1406 | our_toc_offset = local_toc_table[symndx]; | |
1407 | ||
59066248 | 1408 | if (IS_WRITTEN(our_toc_offset)) |
d6f41a7d KK |
1409 | { |
1410 | /* if it has been written out, it is marked with the | |
1411 | 1 bit. Fix up our offset, but do not write it out | |
1412 | again. | |
1413 | */ | |
59066248 | 1414 | MAKE_ADDR_AGAIN(our_toc_offset); |
d6f41a7d KK |
1415 | #ifdef TOC_DEBUG |
1416 | ||
1417 | fprintf(stderr, | |
a9713b91 ILT |
1418 | "Not writing out toc_offset of %d for %s\n", |
1419 | our_toc_offset, name); | |
d6f41a7d KK |
1420 | #endif |
1421 | } | |
1422 | else | |
1423 | { | |
1424 | /* write out the toc entry */ | |
a9713b91 | 1425 | record_toc(toc_section, our_toc_offset, priv, strdup(name)); |
d6f41a7d KK |
1426 | #ifdef TOC_DEBUG |
1427 | fprintf(stderr, | |
a9713b91 ILT |
1428 | "Writing out toc_offset " |
1429 | "toc_section (%p,%p)+%d val %d for %s\n", | |
d6f41a7d KK |
1430 | toc_section, |
1431 | toc_section->contents, | |
1432 | our_toc_offset, | |
1433 | val, | |
1434 | name); | |
1435 | #endif | |
1436 | ||
1437 | bfd_put_32(output_bfd, | |
1438 | val, | |
1439 | toc_section->contents + our_toc_offset); | |
1440 | ||
59066248 | 1441 | MARK_AS_WRITTEN(local_toc_table[symndx]); |
d6f41a7d KK |
1442 | fixit = true; |
1443 | } | |
1444 | } | |
1445 | else | |
1446 | { | |
93b6a3f8 | 1447 | const char *name = h->root.root.root.string; |
d6f41a7d | 1448 | our_toc_offset = h->toc_offset; |
93b6a3f8 | 1449 | |
a9713b91 | 1450 | if ((r_flags & IMAGE_REL_PPC_TOCDEFN) |
13d1a4dd KK |
1451 | == IMAGE_REL_PPC_TOCDEFN ) |
1452 | #if 0 | |
1453 | /* This is wrong. If tocdefn is on, we must unconditionally | |
1454 | assume the following path */ | |
59066248 | 1455 | && IS_UNALLOCATED(our_toc_offset)) |
13d1a4dd | 1456 | #endif |
cd2b2402 | 1457 | { |
a9713b91 ILT |
1458 | /* This is unbelievable cheese. Some knowledgable asm |
1459 | hacker has decided to use r2 as a base for loading | |
1460 | a value. He/She does this by setting the tocdefn bit, | |
1461 | and not supplying a toc definition. The behaviour is | |
1462 | then to use the difference between the value of the | |
1463 | symbol and the actual location of the toc as the toc | |
1464 | index. | |
1465 | ||
1466 | In fact, what is usually happening is, because the | |
1467 | Import Address Table is mapped immediately following | |
1468 | the toc, some trippy library code trying for speed on | |
1469 | dll linkage, takes advantage of that and considers | |
1470 | the IAT to be part of the toc, thus saving a load. | |
cd2b2402 | 1471 | */ |
13d1a4dd KK |
1472 | #ifdef DEBUG_RELOC |
1473 | fprintf(stderr, | |
1474 | "TOCDEFN is on, (%s) (%p) our_toc_offset = %x\n", | |
1475 | name, h, our_toc_offset); | |
1476 | #endif | |
1477 | ||
a9713b91 ILT |
1478 | our_toc_offset = val - |
1479 | (toc_section->output_section->vma + | |
1480 | toc_section->output_offset); | |
1481 | ||
13d1a4dd KK |
1482 | #ifdef DEBUG_RELOC |
1483 | fprintf(stderr, | |
1484 | " our_toc_offset set to %x\n", our_toc_offset); | |
1485 | #endif | |
1486 | ||
a9713b91 ILT |
1487 | /* The size must still fit in a 16bit displacment */ |
1488 | if (our_toc_offset >= 65535) | |
1489 | { | |
1490 | fprintf(stderr, | |
1491 | "TOCDEFN Relocation exceeded " | |
1492 | "displacment of 65535\n"); | |
1493 | abort(); | |
1494 | } | |
1495 | ||
1496 | record_toc(toc_section, our_toc_offset, pub, strdup(name)); | |
cd2b2402 | 1497 | } |
59066248 | 1498 | else if (IS_WRITTEN(our_toc_offset)) |
d6f41a7d KK |
1499 | { |
1500 | /* if it has been written out, it is marked with the | |
1501 | 1 bit. Fix up our offset, but do not write it out | |
1502 | again. | |
1503 | */ | |
59066248 | 1504 | MAKE_ADDR_AGAIN(our_toc_offset); |
d6f41a7d KK |
1505 | #ifdef TOC_DEBUG |
1506 | fprintf(stderr, | |
a9713b91 ILT |
1507 | "Not writing out toc_offset of %d for %s\n", |
1508 | our_toc_offset, name); | |
d6f41a7d KK |
1509 | #endif |
1510 | } | |
1511 | else | |
1512 | { | |
a9713b91 | 1513 | record_toc(toc_section, our_toc_offset, pub, strdup(name)); |
93b6a3f8 | 1514 | |
d6f41a7d KK |
1515 | #ifdef TOC_DEBUG |
1516 | /* write out the toc entry */ | |
1517 | fprintf(stderr, | |
a9713b91 ILT |
1518 | "Writing out toc_offset " |
1519 | "toc_section (%p,%p)+%d val %d for %s\n", | |
d6f41a7d KK |
1520 | toc_section, |
1521 | toc_section->contents, | |
1522 | our_toc_offset, | |
1523 | val, | |
1524 | name); | |
1525 | #endif | |
1526 | ||
1527 | /* write out the toc entry */ | |
1528 | bfd_put_32(output_bfd, | |
1529 | val, | |
1530 | toc_section->contents + our_toc_offset); | |
1531 | ||
59066248 | 1532 | MARK_AS_WRITTEN(h->toc_offset); |
d6f41a7d KK |
1533 | /* The tricky part is that this is the address that */ |
1534 | /* needs a .reloc entry for it */ | |
1535 | fixit = true; | |
1536 | } | |
1537 | } | |
1538 | ||
1539 | if (fixit && info->base_file) | |
1540 | { | |
1541 | /* So if this is non pcrelative, and is referenced | |
1542 | to a section or a common symbol, then it needs a reloc */ | |
1543 | ||
1544 | /* relocation to a symbol in a section which | |
1545 | isn't absolute - we output the address here | |
1546 | to a file */ | |
1547 | ||
1548 | bfd_vma addr = toc_section->output_section->vma | |
1549 | + toc_section->output_offset + our_toc_offset; | |
1550 | ||
d6f41a7d KK |
1551 | if (coff_data(output_bfd)->pe) |
1552 | addr -= pe_data(output_bfd)->pe_opthdr.ImageBase; | |
caa740be | 1553 | |
3920d9c9 | 1554 | #ifdef DEBUG_RELOC |
caa740be KK |
1555 | fprintf(stderr, |
1556 | " Toc Section .reloc candidate addr = %x\n", addr); | |
3920d9c9 | 1557 | #endif |
d6f41a7d KK |
1558 | fwrite (&addr, 1,4, (FILE *) info->base_file); |
1559 | } | |
1560 | ||
1561 | ||
1562 | /* FIXME: this test is conservative */ | |
cd2b2402 KK |
1563 | if ( (r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN && |
1564 | our_toc_offset > toc_section->_raw_size) | |
d6f41a7d KK |
1565 | { |
1566 | fprintf(stderr, | |
1567 | "reloc offset is bigger than the toc size!\n"); | |
1568 | abort(); | |
1569 | } | |
1570 | ||
1571 | /* Now we know the relocation for this toc reference */ | |
1572 | relocation = our_toc_offset + TOC_LOAD_ADJUSTMENT; | |
1573 | rstat = _bfd_relocate_contents (howto, | |
1574 | input_bfd, | |
1575 | relocation, | |
1576 | loc); | |
1577 | } | |
1578 | break; | |
e7aa05bf | 1579 | case IMAGE_REL_PPC_IFGLUE: |
93b6a3f8 KK |
1580 | { |
1581 | /* To solve this, we need to know whether or not the symbol */ | |
1582 | /* appearing on the call instruction is a glue function or not. */ | |
1583 | /* A glue function must announce itself via a IMGLUE reloc, and */ | |
1584 | /* the reloc contains the required toc restore instruction */ | |
1585 | ||
1586 | bfd_vma x; | |
1587 | const char *my_name; | |
1588 | DUMP_RELOC2(howto->name, rel); | |
1589 | ||
1590 | if (h != 0) | |
1591 | { | |
1592 | my_name = h->root.root.root.string; | |
1593 | if (h->symbol_is_glue == 1) | |
1594 | { | |
1595 | x = bfd_get_32(input_bfd, loc); | |
1596 | bfd_put_32(input_bfd, h->glue_insn, loc); | |
1597 | } | |
1598 | } | |
1599 | } | |
d6f41a7d | 1600 | break; |
e7aa05bf | 1601 | case IMAGE_REL_PPC_SECREL: |
d6f41a7d KK |
1602 | /* Unimplemented: codeview debugging information */ |
1603 | /* For fast access to the header of the section | |
1604 | containing the item. */ | |
1605 | break; | |
1606 | case IMAGE_REL_PPC_SECTION: | |
1607 | /* Unimplemented: codeview debugging information */ | |
1608 | /* Is used to indicate that the value should be relative | |
1609 | to the beginning of the section that contains the | |
1610 | symbol */ | |
1611 | break; | |
e7aa05bf | 1612 | case IMAGE_REL_PPC_ABSOLUTE: |
d6f41a7d KK |
1613 | { |
1614 | const char *my_name; | |
1615 | if (h == 0) | |
1616 | my_name = (syms+symndx)->_n._n_name; | |
1617 | else | |
93b6a3f8 KK |
1618 | { |
1619 | my_name = h->root.root.root.string; | |
1620 | } | |
d6f41a7d KK |
1621 | |
1622 | fprintf(stderr, | |
1623 | "Warning: unsupported reloc %s <file %s, section %s>\n", | |
1624 | howto->name, | |
1625 | bfd_get_filename(input_bfd), | |
1626 | input_section->name); | |
1627 | ||
1628 | fprintf(stderr,"sym %d (%s), r_vaddr %d (%x)\n", | |
1629 | rel->r_symndx, my_name, rel->r_vaddr, rel->r_vaddr); | |
1630 | } | |
1631 | break; | |
93b6a3f8 KK |
1632 | case IMAGE_REL_PPC_IMGLUE: |
1633 | { | |
1634 | /* There is nothing to do now. This reloc was noted in the first | |
1635 | pass over the relocs, and the glue instruction extracted */ | |
1636 | const char *my_name; | |
1637 | if (h->symbol_is_glue == 1) | |
1638 | break; | |
1639 | my_name = h->root.root.root.string; | |
1640 | fprintf(stderr, | |
1641 | "Warning: previously missed IMGLUE reloc %s <file %s, section %s>\n", | |
1642 | howto->name, | |
1643 | bfd_get_filename(input_bfd), | |
1644 | input_section->name); | |
1645 | break; | |
1646 | ||
1647 | } | |
1648 | break; | |
d6f41a7d KK |
1649 | |
1650 | case IMAGE_REL_PPC_ADDR32NB: | |
1651 | { | |
1652 | struct coff_link_hash_entry *myh = 0; | |
1653 | const char *name = 0; | |
1654 | DUMP_RELOC2(howto->name, rel); | |
13d1a4dd KK |
1655 | |
1656 | if (strncmp(".idata$2",input_section->name,8) == 0 && first_thunk_address == 0) | |
1657 | { | |
1658 | /* set magic values */ | |
1659 | int idata5offset; | |
1660 | struct coff_link_hash_entry *myh = 0; | |
1661 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1662 | "__idata5_magic__", | |
1663 | false, false, true); | |
1664 | first_thunk_address = myh->root.u.def.value + | |
1665 | sec->output_section->vma + | |
1666 | sec->output_offset - | |
1667 | pe_data(output_bfd)->pe_opthdr.ImageBase; | |
1668 | ||
1669 | idata5offset = myh->root.u.def.value; | |
1670 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1671 | "__idata6_magic__", | |
1672 | false, false, true); | |
1673 | ||
1674 | thunk_size = myh->root.u.def.value - idata5offset; | |
1675 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1676 | "__idata4_magic__", | |
1677 | false, false, true); | |
1678 | import_table_size = myh->root.u.def.value; | |
1679 | #ifdef DEBUG_RELOC | |
1680 | fprintf(stderr, | |
1681 | "first computation triggered fta %x, ts %d(%x), its %d(%x)\n", | |
1682 | first_thunk_address, thunk_size, thunk_size, import_table_size, | |
1683 | import_table_size); | |
1684 | #endif | |
1685 | } | |
1686 | ||
d6f41a7d KK |
1687 | if (h == 0) |
1688 | { /* it is a file local symbol */ | |
1689 | sym = syms + symndx; | |
1690 | name = sym->_n._n_name; | |
1691 | } | |
1692 | else | |
1693 | { | |
1694 | char *target = 0; | |
1695 | ||
93b6a3f8 | 1696 | name = h->root.root.root.string; |
d6f41a7d KK |
1697 | if (strcmp(".idata$2", name) == 0) |
1698 | target = "__idata2_magic__"; | |
1699 | else if (strcmp(".idata$4", name) == 0) | |
1700 | target = "__idata4_magic__"; | |
1701 | else if (strcmp(".idata$5", name) == 0) | |
1702 | target = "__idata5_magic__"; | |
d6f41a7d | 1703 | |
59066248 | 1704 | if (target != 0) |
d6f41a7d | 1705 | { |
59066248 | 1706 | myh = 0; |
d6f41a7d | 1707 | |
d6f41a7d | 1708 | myh = coff_link_hash_lookup (coff_hash_table (info), |
59066248 | 1709 | target, |
d6f41a7d | 1710 | false, false, true); |
59066248 KK |
1711 | if (myh == 0) |
1712 | { | |
1713 | fprintf(stderr, "Missing idata magic cookies, " | |
1714 | "this cannot work anyway...\n"); | |
1715 | abort(); | |
1716 | } | |
1717 | ||
1718 | val = myh->root.u.def.value + | |
1719 | sec->output_section->vma + sec->output_offset; | |
1720 | if (first_thunk_address == 0) | |
1721 | { | |
1722 | int idata5offset; | |
1723 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1724 | "__idata5_magic__", | |
1725 | false, false, true); | |
1726 | first_thunk_address = myh->root.u.def.value + | |
1727 | sec->output_section->vma + | |
1728 | sec->output_offset - | |
1729 | pe_data(output_bfd)->pe_opthdr.ImageBase; | |
1730 | ||
1731 | idata5offset = myh->root.u.def.value; | |
1732 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1733 | "__idata6_magic__", | |
1734 | false, false, true); | |
1735 | ||
1736 | thunk_size = myh->root.u.def.value - idata5offset; | |
1737 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1738 | "__idata4_magic__", | |
1739 | false, false, true); | |
1740 | import_table_size = myh->root.u.def.value; | |
13d1a4dd KK |
1741 | #ifdef DEBUG_RELOC |
1742 | ||
1743 | fprintf(stderr, | |
1744 | "second computation triggered fta %x, ts %d(%x), its %d(%x)\n", | |
1745 | first_thunk_address, thunk_size, thunk_size, import_table_size, | |
1746 | import_table_size); | |
1747 | #endif | |
59066248 | 1748 | } |
d6f41a7d KK |
1749 | } |
1750 | } | |
1751 | ||
1752 | rstat = _bfd_relocate_contents (howto, | |
93b6a3f8 KK |
1753 | input_bfd, |
1754 | val - | |
1755 | pe_data(output_bfd)->pe_opthdr.ImageBase, | |
1756 | loc); | |
d6f41a7d | 1757 | } |
e7aa05bf KK |
1758 | break; |
1759 | ||
e7aa05bf | 1760 | case IMAGE_REL_PPC_REL24: |
cd2b2402 KK |
1761 | DUMP_RELOC2(howto->name, rel); |
1762 | val -= (input_section->output_section->vma | |
1763 | + input_section->output_offset); | |
1764 | ||
1765 | rstat = _bfd_relocate_contents (howto, | |
1766 | input_bfd, | |
1767 | val, | |
1768 | loc); | |
1769 | break; | |
1770 | case IMAGE_REL_PPC_ADDR16: | |
e7aa05bf KK |
1771 | case IMAGE_REL_PPC_ADDR24: |
1772 | case IMAGE_REL_PPC_ADDR32: | |
d6f41a7d KK |
1773 | DUMP_RELOC2(howto->name, rel); |
1774 | rstat = _bfd_relocate_contents (howto, | |
1775 | input_bfd, | |
1776 | val, | |
1777 | loc); | |
e7aa05bf KK |
1778 | break; |
1779 | } | |
1780 | ||
d6f41a7d | 1781 | if ( info->base_file ) |
e7aa05bf | 1782 | { |
d6f41a7d KK |
1783 | /* So if this is non pcrelative, and is referenced |
1784 | to a section or a common symbol, then it needs a reloc */ | |
1785 | if (sym && pe_data(output_bfd)->in_reloc_p(output_bfd, howto)) | |
e7aa05bf | 1786 | { |
d6f41a7d KK |
1787 | /* relocation to a symbol in a section which |
1788 | isn't absolute - we output the address here | |
1789 | to a file */ | |
1790 | bfd_vma addr = rel->r_vaddr | |
1791 | - input_section->vma | |
1792 | + input_section->output_offset | |
1793 | + input_section->output_section->vma; | |
1794 | ||
1795 | if (coff_data(output_bfd)->pe) | |
1796 | { | |
caa740be | 1797 | bfd_vma before_addr = addr; |
d6f41a7d | 1798 | addr -= pe_data(output_bfd)->pe_opthdr.ImageBase; |
3920d9c9 | 1799 | #ifdef DEBUG_RELOC |
d6f41a7d | 1800 | fprintf(stderr, |
caa740be | 1801 | " adjusted down from %x to %x", before_addr, addr); |
3920d9c9 | 1802 | #endif |
d6f41a7d | 1803 | } |
3920d9c9 | 1804 | #ifdef DEBUG_RELOC |
d6f41a7d | 1805 | fprintf(stderr, "\n"); |
3920d9c9 | 1806 | #endif |
d6f41a7d KK |
1807 | |
1808 | fwrite (&addr, 1,4, (FILE *) info->base_file); | |
e7aa05bf | 1809 | } |
d6f41a7d | 1810 | } |
e7aa05bf | 1811 | |
d6f41a7d KK |
1812 | switch (rstat) |
1813 | { | |
1814 | default: | |
1815 | abort (); | |
1816 | case bfd_reloc_ok: | |
1817 | break; | |
1818 | case bfd_reloc_overflow: | |
1819 | { | |
1820 | const char *name; | |
1821 | char buf[SYMNMLEN + 1]; | |
1822 | ||
1823 | if (symndx == -1) | |
1824 | name = "*ABS*"; | |
1825 | else if (h != NULL) | |
93b6a3f8 | 1826 | name = h->root.root.root.string; |
d6f41a7d KK |
1827 | else if (sym == NULL) |
1828 | name = "*unknown*"; | |
1829 | else if (sym->_n._n_n._n_zeroes == 0 | |
1830 | && sym->_n._n_n._n_offset != 0) | |
1831 | name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset; | |
1832 | else | |
1833 | { | |
1834 | strncpy (buf, sym->_n._n_name, SYMNMLEN); | |
1835 | buf[SYMNMLEN] = '\0'; | |
1836 | name = buf; | |
1837 | } | |
1838 | #if 0 | |
1839 | else | |
1840 | { | |
1841 | name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); | |
1842 | if (name == NULL) | |
1843 | return false; | |
1844 | } | |
1845 | #endif | |
1846 | ||
1847 | if (! ((*info->callbacks->reloc_overflow) | |
1848 | (info, name, howto->name, | |
1849 | (bfd_vma) 0, input_bfd, | |
1850 | input_section, rel->r_vaddr - input_section->vma))) | |
13d1a4dd KK |
1851 | { |
1852 | #ifdef DEBUG_RELOC | |
1853 | fprintf(stderr, | |
1854 | "pe_ppc_relocate_section (%s) for %s in bfd %s RETURNING TRUE\n", | |
1855 | TARGET_LITTLE_NAME, | |
1856 | input_section->name, | |
1857 | input_bfd->filename); | |
1858 | ||
1859 | #endif | |
1860 | return false; | |
1861 | } | |
d6f41a7d | 1862 | } |
e7aa05bf | 1863 | } |
d6f41a7d | 1864 | |
e7aa05bf KK |
1865 | } |
1866 | ||
13d1a4dd KK |
1867 | #ifdef DEBUG_RELOC |
1868 | fprintf(stderr, | |
1869 | "pe_ppc_relocate_section (%s) for %s in bfd %s RETURNING TRUE\n", | |
1870 | TARGET_LITTLE_NAME, | |
1871 | input_section->name, | |
1872 | input_bfd->filename); | |
1873 | ||
1874 | #endif | |
1875 | ||
e7aa05bf KK |
1876 | return true; |
1877 | } | |
1878 | ||
13d1a4dd | 1879 | |
d6f41a7d | 1880 | #ifdef COFF_IMAGE_WITH_PE |
e7aa05bf | 1881 | |
13d1a4dd | 1882 | long int global_toc_size = 4; |
e7aa05bf | 1883 | |
d6f41a7d | 1884 | bfd* bfd_of_toc_owner = 0; |
e7aa05bf | 1885 | |
d6f41a7d KK |
1886 | long int import_table_size; |
1887 | long int first_thunk_address; | |
1888 | long int thunk_size; | |
1889 | ||
93b6a3f8 KK |
1890 | struct list_ele *head; |
1891 | struct list_ele *tail; | |
1892 | ||
a9713b91 ILT |
1893 | static char * |
1894 | h1 = "\n\t\t\tTOC MAPPING\n\n"; | |
1895 | static char * | |
1896 | h2 = " TOC disassembly Comments Name\n"; | |
1897 | static char * | |
1898 | h3 = " Offset spelling (if present)\n"; | |
1899 | ||
93b6a3f8 KK |
1900 | void |
1901 | dump_toc(vfile) | |
1902 | void *vfile; | |
1903 | { | |
1904 | FILE *file = vfile; | |
1905 | struct list_ele *t; | |
1906 | ||
a9713b91 ILT |
1907 | fprintf(file, h1); |
1908 | fprintf(file, h2); | |
1909 | fprintf(file, h3); | |
93b6a3f8 KK |
1910 | |
1911 | for(t = head; t != 0; t=t->next) | |
1912 | { | |
a9713b91 ILT |
1913 | char *cat; |
1914 | ||
1915 | if (t->cat == priv) | |
1916 | cat = "private "; | |
1917 | else if (t->cat == pub) | |
1918 | cat = "public "; | |
1919 | else if (t->cat == data) | |
1920 | cat = "data-in-toc "; | |
1921 | ||
1922 | if (t->offset > global_toc_size) | |
1923 | { | |
1924 | if (t->offset <= global_toc_size + thunk_size) | |
1925 | cat = "IAT reference "; | |
1926 | else | |
13d1a4dd KK |
1927 | { |
1928 | fprintf(file, | |
1929 | "**** global_toc_size %d(%x), thunk_size %d(%x)\n", | |
1930 | global_toc_size, global_toc_size, thunk_size, thunk_size); | |
1931 | cat = "Out of bounds!"; | |
1932 | } | |
a9713b91 ILT |
1933 | } |
1934 | ||
93b6a3f8 | 1935 | fprintf(file, |
a9713b91 ILT |
1936 | " %04lx (%d)", t->offset, t->offset - 32768); |
1937 | fprintf(file, | |
1938 | " %s %s\n", | |
1939 | cat, t->name); | |
1940 | ||
93b6a3f8 | 1941 | } |
a9713b91 ILT |
1942 | |
1943 | fprintf(file, "\n"); | |
93b6a3f8 | 1944 | } |
d6f41a7d KK |
1945 | |
1946 | boolean | |
1947 | ppc_allocate_toc_section (info) | |
1948 | struct bfd_link_info *info; | |
1949 | { | |
1950 | asection *s; | |
1951 | bfd_byte *foo; | |
1952 | static char test_char = '1'; | |
1953 | ||
d6f41a7d KK |
1954 | if ( global_toc_size == 0 ) /* FIXME: does this get me in trouble? */ |
1955 | return true; | |
1956 | ||
1957 | if (bfd_of_toc_owner == 0) | |
1958 | { | |
1959 | fprintf(stderr, | |
1960 | "There is no bfd that owns the toc section!\n"); | |
1961 | abort(); | |
1962 | } | |
1963 | ||
1964 | s = bfd_get_section_by_name ( bfd_of_toc_owner , TOC_SECTION_NAME); | |
1965 | if (s == NULL) | |
1966 | { | |
1967 | fprintf(stderr, "No Toc section!\n"); | |
1968 | abort(); | |
1969 | } | |
1970 | ||
1971 | foo = bfd_alloc(bfd_of_toc_owner, global_toc_size); | |
1972 | memset(foo, test_char, global_toc_size); | |
1973 | ||
1974 | s->_raw_size = s->_cooked_size = global_toc_size; | |
1975 | s->contents = foo; | |
1976 | ||
1977 | return true; | |
e7aa05bf KK |
1978 | } |
1979 | ||
d6f41a7d KK |
1980 | boolean |
1981 | ppc_process_before_allocation (abfd, info) | |
1982 | bfd *abfd; | |
1983 | struct bfd_link_info *info; | |
1984 | { | |
1985 | asection *sec; | |
1986 | struct internal_reloc *i, *rel; | |
1987 | ||
59066248 | 1988 | #ifdef DEBUG_RELOC |
d6f41a7d KK |
1989 | fprintf(stderr, |
1990 | "ppc_process_before_allocation: BFD %s\n", | |
1991 | bfd_get_filename(abfd)); | |
1992 | #endif | |
1993 | ||
1994 | /* here we have a bfd that is to be included on the link. We have a hook | |
1995 | to do reloc rummaging, before section sizes are nailed down. */ | |
1996 | ||
1997 | _bfd_coff_get_external_symbols(abfd); | |
1998 | ||
1999 | /* rummage around all the relocs and map the toc */ | |
2000 | sec = abfd->sections; | |
2001 | ||
2002 | if (sec == 0) | |
2003 | { | |
2004 | return true; | |
2005 | } | |
2006 | ||
2007 | for (; sec != 0; sec = sec->next) | |
2008 | { | |
2009 | int toc_offset; | |
a9713b91 | 2010 | |
d6f41a7d KK |
2011 | #ifdef DEBUG_RELOC |
2012 | fprintf(stderr, | |
2013 | " section %s reloc count %d\n", | |
2014 | sec->name, | |
2015 | sec->reloc_count); | |
2016 | #endif | |
2017 | ||
2018 | if (sec->reloc_count == 0) | |
2019 | continue; | |
2020 | ||
2021 | /* load the relocs */ | |
2022 | /* FIXME: there may be a storage leak here */ | |
2023 | i=_bfd_coff_read_internal_relocs(abfd,sec,1,0,0,0); | |
2024 | ||
2025 | if (i == 0) | |
2026 | abort(); | |
2027 | ||
2028 | for (rel=i;rel<i+sec->reloc_count;++rel) | |
2029 | { | |
2030 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); | |
2031 | unsigned short r_flags = EXTRACT_FLAGS(rel->r_type); | |
2032 | unsigned short junk = EXTRACT_JUNK (rel->r_type); | |
2033 | ||
2034 | #ifdef DEBUG_RELOC | |
93b6a3f8 KK |
2035 | /* now examine flags */ |
2036 | if (r_flags != 0) | |
2037 | { | |
2038 | fprintf (stderr, "Reloc with flags found!"); | |
2039 | if ( r_flags & IMAGE_REL_PPC_NEG ) | |
2040 | fprintf (stderr, " NEG"); | |
2041 | if ( r_flags & IMAGE_REL_PPC_BRTAKEN ) | |
2042 | fprintf (stderr, " BRTAKEN"); | |
2043 | if ( r_flags & IMAGE_REL_PPC_BRNTAKEN ) | |
2044 | fprintf (stderr, " BRNTAKEN"); | |
2045 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) | |
2046 | fprintf (stderr, " TOCDEFN"); | |
2047 | fprintf(stderr, "\n"); | |
2048 | } | |
d6f41a7d KK |
2049 | #endif |
2050 | ||
2051 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
2052 | ||
2053 | switch(r_type) | |
2054 | { | |
2055 | case IMAGE_REL_PPC_TOCREL16: | |
a9713b91 ILT |
2056 | #if 0 |
2057 | /* FIXME: | |
2058 | This remains unimplemented for now, as it currently adds | |
2059 | un-necessary elements to the toc. All we need to do today | |
2060 | is not do anything if TOCDEFN is on. | |
2061 | */ | |
cd2b2402 KK |
2062 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) |
2063 | toc_offset = ppc_record_data_in_toc_entry(abfd, info, sec, | |
2064 | rel->r_symndx, | |
2065 | default_toc); | |
2066 | else | |
2067 | toc_offset = ppc_record_toc_entry(abfd, info, sec, | |
2068 | rel->r_symndx, default_toc); | |
a9713b91 ILT |
2069 | #endif |
2070 | if ( (r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN ) | |
2071 | toc_offset = ppc_record_toc_entry(abfd, info, sec, | |
2072 | rel->r_symndx, default_toc); | |
d6f41a7d | 2073 | break; |
93b6a3f8 KK |
2074 | case IMAGE_REL_PPC_IMGLUE: |
2075 | ppc_mark_symbol_as_glue(abfd, rel->r_symndx, rel); | |
2076 | break; | |
d6f41a7d KK |
2077 | default: |
2078 | break; | |
2079 | } | |
2080 | } | |
2081 | } | |
e7aa05bf KK |
2082 | } |
2083 | ||
e7aa05bf KK |
2084 | #endif |
2085 | ||
2086 | ||
2087 | static bfd_reloc_status_type | |
2088 | ppc_refhi_reloc (abfd, | |
2089 | reloc_entry, | |
2090 | symbol, | |
2091 | data, | |
2092 | input_section, | |
2093 | output_bfd, | |
2094 | error_message) | |
2095 | bfd *abfd; | |
2096 | arelent *reloc_entry; | |
2097 | asymbol *symbol; | |
2098 | PTR data; | |
2099 | asection *input_section; | |
2100 | bfd *output_bfd; | |
2101 | char **error_message; | |
2102 | { | |
2103 | UN_IMPL("REFHI"); | |
2104 | DUMP_RELOC("REFHI",reloc_entry); | |
2105 | ||
2106 | if (output_bfd == (bfd *) NULL) | |
2107 | return bfd_reloc_continue; | |
2108 | ||
2109 | return bfd_reloc_undefined; | |
2110 | } | |
2111 | ||
2112 | static bfd_reloc_status_type | |
2113 | ppc_reflo_reloc (abfd, | |
2114 | reloc_entry, | |
2115 | symbol, | |
2116 | data, | |
2117 | input_section, | |
2118 | output_bfd, | |
2119 | error_message) | |
2120 | bfd *abfd; | |
2121 | arelent *reloc_entry; | |
2122 | asymbol *symbol; | |
2123 | PTR data; | |
2124 | asection *input_section; | |
2125 | bfd *output_bfd; | |
2126 | char **error_message; | |
2127 | { | |
2128 | UN_IMPL("REFLO"); | |
2129 | DUMP_RELOC("REFLO",reloc_entry); | |
2130 | ||
2131 | if (output_bfd == (bfd *) NULL) | |
2132 | return bfd_reloc_continue; | |
2133 | ||
2134 | return bfd_reloc_undefined; | |
2135 | } | |
2136 | ||
2137 | static bfd_reloc_status_type | |
2138 | ppc_pair_reloc (abfd, | |
2139 | reloc_entry, | |
2140 | symbol, | |
2141 | data, | |
2142 | input_section, | |
2143 | output_bfd, | |
2144 | error_message) | |
2145 | bfd *abfd; | |
2146 | arelent *reloc_entry; | |
2147 | asymbol *symbol; | |
2148 | PTR data; | |
2149 | asection *input_section; | |
2150 | bfd *output_bfd; | |
2151 | char **error_message; | |
2152 | { | |
2153 | UN_IMPL("PAIR"); | |
2154 | DUMP_RELOC("PAIR",reloc_entry); | |
2155 | ||
2156 | if (output_bfd == (bfd *) NULL) | |
2157 | return bfd_reloc_continue; | |
2158 | ||
2159 | return bfd_reloc_undefined; | |
2160 | } | |
2161 | ||
2162 | \f | |
2163 | static bfd_reloc_status_type | |
2164 | ppc_toc16_reloc (abfd, | |
2165 | reloc_entry, | |
2166 | symbol, | |
2167 | data, | |
2168 | input_section, | |
2169 | output_bfd, | |
2170 | error_message) | |
2171 | bfd *abfd; | |
2172 | arelent *reloc_entry; | |
2173 | asymbol *symbol; | |
2174 | PTR data; | |
2175 | asection *input_section; | |
2176 | bfd *output_bfd; | |
2177 | char **error_message; | |
2178 | { | |
2179 | UN_IMPL("TOCREL16"); | |
2180 | DUMP_RELOC("TOCREL16",reloc_entry); | |
2181 | ||
2182 | if (output_bfd == (bfd *) NULL) | |
2183 | { | |
2184 | return bfd_reloc_continue; | |
2185 | } | |
2186 | ||
2187 | return bfd_reloc_ok; | |
2188 | } | |
2189 | ||
2190 | /* ADDR32NB : 32 bit address relative to the virtual origin. */ | |
2191 | /* (On the alpha, this is always a linker generated thunk)*/ | |
2192 | /* (i.e. 32bit addr relative to the image base) */ | |
2193 | /* */ | |
2194 | /* */ | |
2195 | ||
2196 | static bfd_reloc_status_type | |
2197 | ppc_addr32nb_reloc (abfd, | |
2198 | reloc_entry, | |
2199 | symbol, | |
2200 | data, | |
2201 | input_section, | |
2202 | output_bfd, | |
2203 | error_message) | |
2204 | bfd *abfd; | |
2205 | arelent *reloc_entry; | |
2206 | asymbol *symbol; | |
2207 | PTR data; | |
2208 | asection *input_section; | |
2209 | bfd *output_bfd; | |
2210 | char **error_message; | |
2211 | { | |
2212 | UN_IMPL("ADDR32NB"); | |
2213 | DUMP_RELOC("ADDR32NB",reloc_entry); | |
2214 | ||
2215 | return bfd_reloc_ok; | |
2216 | } | |
2217 | ||
2218 | static bfd_reloc_status_type | |
2219 | ppc_secrel_reloc (abfd, | |
2220 | reloc_entry, | |
2221 | symbol, | |
2222 | data, | |
2223 | input_section, | |
2224 | output_bfd, | |
2225 | error_message) | |
2226 | bfd *abfd; | |
2227 | arelent *reloc_entry; | |
2228 | asymbol *symbol; | |
2229 | PTR data; | |
2230 | asection *input_section; | |
2231 | bfd *output_bfd; | |
2232 | char **error_message; | |
2233 | { | |
2234 | UN_IMPL("SECREL"); | |
2235 | DUMP_RELOC("SECREL",reloc_entry); | |
2236 | ||
2237 | if (output_bfd == (bfd *) NULL) | |
2238 | return bfd_reloc_continue; | |
2239 | ||
2240 | return bfd_reloc_ok; | |
2241 | } | |
2242 | ||
2243 | static bfd_reloc_status_type | |
2244 | ppc_section_reloc (abfd, | |
2245 | reloc_entry, | |
2246 | symbol, | |
2247 | data, | |
2248 | input_section, | |
2249 | output_bfd, | |
2250 | error_message) | |
2251 | bfd *abfd; | |
2252 | arelent *reloc_entry; | |
2253 | asymbol *symbol; | |
2254 | PTR data; | |
2255 | asection *input_section; | |
2256 | bfd *output_bfd; | |
2257 | char **error_message; | |
2258 | { | |
2259 | UN_IMPL("SECTION"); | |
2260 | DUMP_RELOC("SECTION",reloc_entry); | |
2261 | ||
2262 | if (output_bfd == (bfd *) NULL) | |
2263 | return bfd_reloc_continue; | |
2264 | ||
2265 | return bfd_reloc_ok; | |
2266 | } | |
2267 | ||
2268 | static bfd_reloc_status_type | |
2269 | ppc_imglue_reloc (abfd, | |
2270 | reloc_entry, | |
2271 | symbol, | |
2272 | data, | |
2273 | input_section, | |
2274 | output_bfd, | |
2275 | error_message) | |
2276 | bfd *abfd; | |
2277 | arelent *reloc_entry; | |
2278 | asymbol *symbol; | |
2279 | PTR data; | |
2280 | asection *input_section; | |
2281 | bfd *output_bfd; | |
2282 | char **error_message; | |
2283 | { | |
2284 | UN_IMPL("IMGLUE"); | |
2285 | DUMP_RELOC("IMGLUE",reloc_entry); | |
2286 | ||
2287 | if (output_bfd == (bfd *) NULL) | |
2288 | return bfd_reloc_continue; | |
2289 | ||
2290 | return bfd_reloc_ok; | |
2291 | } | |
2292 | ||
2293 | \f | |
2294 | ||
2295 | #define MAX_RELOC_INDEX \ | |
2296 | (sizeof(ppc_coff_howto_table) / sizeof(ppc_coff_howto_table[0]) - 1) | |
2297 | ||
2298 | ||
2299 | /* FIXME: There is a possiblity that when we read in a reloc from a file, | |
2300 | that there are some bits encoded in the upper portion of the | |
2301 | type field. Not yet implemented. | |
2302 | */ | |
2303 | static void ppc_coff_rtype2howto PARAMS ((arelent *relent, | |
2304 | struct internal_reloc *internal)); | |
2305 | ||
2306 | static void | |
2307 | ppc_coff_rtype2howto (relent, internal) | |
2308 | arelent *relent; | |
2309 | struct internal_reloc *internal; | |
2310 | { | |
2311 | ||
2312 | /* We can encode one of three things in the type field, aside from the | |
2313 | type: | |
2314 | 1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction | |
2315 | value, rather than an addition value | |
2316 | 2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that | |
2317 | the branch is expected to be taken or not. | |
2318 | 3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file | |
2319 | For now, we just strip this stuff to find the type, and ignore it other | |
2320 | than that. | |
2321 | */ | |
59066248 | 2322 | reloc_howto_type *howto; |
e7aa05bf KK |
2323 | unsigned short r_type = EXTRACT_TYPE (internal->r_type); |
2324 | unsigned short r_flags = EXTRACT_FLAGS(internal->r_type); | |
2325 | unsigned short junk = EXTRACT_JUNK (internal->r_type); | |
2326 | ||
2327 | /* the masking process only slices off the bottom byte for r_type. */ | |
2328 | if ( r_type > MAX_RELOC_INDEX ) | |
2329 | { | |
2330 | fprintf(stderr, | |
2331 | "ppc_coff_rtype2howto: reloc index %d out of range [%d, %d]\n", | |
2332 | internal->r_type, 0, MAX_RELOC_INDEX); | |
2333 | abort(); | |
2334 | } | |
2335 | ||
2336 | /* check for absolute crap */ | |
2337 | if ( junk != 0 ) | |
2338 | { | |
2339 | fprintf(stderr, | |
2340 | "ppc_coff_rtype2howto: reloc index %d contains junk %d\n", | |
2341 | internal->r_type, junk); | |
2342 | abort(); | |
2343 | } | |
2344 | ||
2345 | #ifdef DEBUG_RELOC | |
2346 | /* now examine flags */ | |
2347 | if (r_flags != 0) | |
2348 | { | |
2349 | fprintf (stderr, "Reloc with flags found!"); | |
2350 | if ( r_flags & IMAGE_REL_PPC_NEG ) | |
2351 | fprintf (stderr, " NEG"); | |
2352 | if ( r_flags & IMAGE_REL_PPC_BRTAKEN ) | |
2353 | fprintf (stderr, " BRTAKEN"); | |
2354 | if ( r_flags & IMAGE_REL_PPC_BRNTAKEN ) | |
2355 | fprintf (stderr, " BRNTAKEN"); | |
2356 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) | |
2357 | fprintf (stderr, " TOCDEFN"); | |
2358 | fprintf(stderr, "\n"); | |
2359 | } | |
2360 | #endif | |
2361 | ||
2362 | switch(r_type) | |
2363 | { | |
2364 | case IMAGE_REL_PPC_ADDR16: | |
2365 | case IMAGE_REL_PPC_REL24: | |
2366 | case IMAGE_REL_PPC_ADDR24: | |
e7aa05bf KK |
2367 | case IMAGE_REL_PPC_ADDR32: |
2368 | case IMAGE_REL_PPC_IFGLUE: | |
2369 | case IMAGE_REL_PPC_ADDR32NB: | |
2370 | case IMAGE_REL_PPC_SECTION: | |
2371 | case IMAGE_REL_PPC_SECREL: | |
2372 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal); | |
59066248 | 2373 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2374 | break; |
2375 | case IMAGE_REL_PPC_IMGLUE: | |
2376 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal); | |
59066248 KK |
2377 | howto = ppc_coff_howto_table + r_type; |
2378 | break; | |
2379 | case IMAGE_REL_PPC_TOCREL16: | |
2380 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal); | |
2381 | if (r_flags & IMAGE_REL_PPC_TOCDEFN) | |
2382 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN; | |
2383 | else | |
2384 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16; | |
e7aa05bf KK |
2385 | break; |
2386 | default: | |
2387 | fprintf(stderr, | |
2388 | "Warning: Unsupported reloc %s [%d] used -- it may not work.\n", | |
2389 | ppc_coff_howto_table[r_type].name, | |
2390 | r_type); | |
59066248 | 2391 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2392 | break; |
2393 | } | |
d6f41a7d | 2394 | |
59066248 | 2395 | relent->howto = howto; |
d6f41a7d | 2396 | |
e7aa05bf KK |
2397 | } |
2398 | ||
2399 | static reloc_howto_type * | |
2400 | coff_ppc_rtype_to_howto (abfd, sec, rel, h, sym, addendp) | |
2401 | bfd *abfd; | |
2402 | asection *sec; | |
2403 | struct internal_reloc *rel; | |
2404 | struct coff_link_hash_entry *h; | |
2405 | struct internal_syment *sym; | |
2406 | bfd_vma *addendp; | |
2407 | { | |
2408 | reloc_howto_type *howto; | |
2409 | ||
2410 | /* We can encode one of three things in the type field, aside from the | |
2411 | type: | |
2412 | 1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction | |
2413 | value, rather than an addition value | |
2414 | 2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that | |
2415 | the branch is expected to be taken or not. | |
2416 | 3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file | |
2417 | For now, we just strip this stuff to find the type, and ignore it other | |
2418 | than that. | |
2419 | */ | |
2420 | ||
2421 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); | |
2422 | unsigned short r_flags = EXTRACT_FLAGS(rel->r_type); | |
2423 | unsigned short junk = EXTRACT_JUNK (rel->r_type); | |
2424 | ||
2425 | /* the masking process only slices off the bottom byte for r_type. */ | |
2426 | if ( r_type > MAX_RELOC_INDEX ) | |
2427 | { | |
2428 | fprintf(stderr, | |
2429 | "coff_ppc_rtype_to_howto: index %d out of range [%d, %d]\n", | |
2430 | r_type, 0, MAX_RELOC_INDEX); | |
2431 | abort(); | |
2432 | } | |
d6f41a7d | 2433 | |
e7aa05bf KK |
2434 | /* check for absolute crap */ |
2435 | if ( junk != 0 ) | |
2436 | { | |
2437 | fprintf(stderr, | |
2438 | "coff_ppc_rtype_to_howto: reloc index %d contains junk %d\n", | |
2439 | rel->r_type, junk); | |
2440 | abort(); | |
2441 | } | |
d6f41a7d | 2442 | |
e7aa05bf KK |
2443 | #ifdef DEBUG_RELOC |
2444 | /* now examine flags */ | |
2445 | if (r_flags != 0) | |
2446 | { | |
2447 | fprintf (stderr, "Reloc with flags found!"); | |
2448 | if ( r_flags & IMAGE_REL_PPC_NEG ) | |
2449 | fprintf (stderr, " NEG"); | |
2450 | if ( r_flags & IMAGE_REL_PPC_BRTAKEN ) | |
2451 | fprintf (stderr, " BRTAKEN"); | |
2452 | if ( r_flags & IMAGE_REL_PPC_BRNTAKEN ) | |
2453 | fprintf (stderr, " BRNTAKEN"); | |
2454 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) | |
2455 | fprintf (stderr, " TOCDEFN"); | |
2456 | fprintf(stderr, "\n"); | |
2457 | } | |
2458 | #endif | |
d6f41a7d | 2459 | |
e7aa05bf KK |
2460 | switch(r_type) |
2461 | { | |
2462 | case IMAGE_REL_PPC_ADDR32NB: | |
2463 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
2464 | *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase; | |
59066248 KK |
2465 | howto = ppc_coff_howto_table + r_type; |
2466 | break; | |
2467 | case IMAGE_REL_PPC_TOCREL16: | |
2468 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
2469 | if (r_flags & IMAGE_REL_PPC_TOCDEFN) | |
2470 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN; | |
2471 | else | |
2472 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16; | |
e7aa05bf KK |
2473 | break; |
2474 | case IMAGE_REL_PPC_ADDR16: | |
2475 | case IMAGE_REL_PPC_REL24: | |
2476 | case IMAGE_REL_PPC_ADDR24: | |
e7aa05bf KK |
2477 | case IMAGE_REL_PPC_ADDR32: |
2478 | case IMAGE_REL_PPC_IFGLUE: | |
2479 | case IMAGE_REL_PPC_SECTION: | |
2480 | case IMAGE_REL_PPC_SECREL: | |
2481 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
59066248 | 2482 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2483 | break; |
2484 | case IMAGE_REL_PPC_IMGLUE: | |
2485 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
59066248 | 2486 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2487 | break; |
2488 | default: | |
2489 | fprintf(stderr, | |
2490 | "Warning: Unsupported reloc %s [%d] used -- it may not work.\n", | |
2491 | ppc_coff_howto_table[r_type].name, | |
2492 | r_type); | |
59066248 | 2493 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2494 | break; |
2495 | } | |
d6f41a7d | 2496 | |
e7aa05bf KK |
2497 | return howto; |
2498 | } | |
2499 | ||
2500 | ||
2501 | /* a cheesy little macro to make the code a little more readable */ | |
2502 | #define HOW2MAP(bfd_rtype,ppc_rtype) \ | |
d6f41a7d | 2503 | case bfd_rtype: return &ppc_coff_howto_table[ppc_rtype] |
e7aa05bf KK |
2504 | |
2505 | static reloc_howto_type *ppc_coff_reloc_type_lookup | |
d6f41a7d | 2506 | PARAMS ((bfd *, bfd_reloc_code_real_type)); |
e7aa05bf KK |
2507 | |
2508 | static reloc_howto_type * | |
2509 | ppc_coff_reloc_type_lookup (abfd, code) | |
2510 | bfd *abfd; | |
2511 | bfd_reloc_code_real_type code; | |
2512 | { | |
d6f41a7d | 2513 | |
e7aa05bf KK |
2514 | #ifdef DEBUG_RELOC |
2515 | fprintf(stderr, "ppc_coff_reloc_type_lookup for %s\n", | |
d6f41a7d | 2516 | bfd_get_reloc_code_name(code)); |
e7aa05bf | 2517 | #endif |
59066248 | 2518 | |
e7aa05bf KK |
2519 | switch (code) |
2520 | { | |
59066248 | 2521 | HOW2MAP(BFD_RELOC_32_GOTOFF, IMAGE_REL_PPC_IMGLUE); |
e7aa05bf KK |
2522 | HOW2MAP(BFD_RELOC_16_GOT_PCREL, IMAGE_REL_PPC_IFGLUE); |
2523 | HOW2MAP(BFD_RELOC_16, IMAGE_REL_PPC_ADDR16); | |
2524 | HOW2MAP(BFD_RELOC_PPC_B26, IMAGE_REL_PPC_REL24); | |
2525 | HOW2MAP(BFD_RELOC_PPC_BA26, IMAGE_REL_PPC_ADDR24); | |
2526 | HOW2MAP(BFD_RELOC_PPC_TOC16, IMAGE_REL_PPC_TOCREL16); | |
59066248 | 2527 | HOW2MAP(BFD_RELOC_16_GOTOFF, IMAGE_REL_PPC_TOCREL16_DEFN); |
e7aa05bf | 2528 | HOW2MAP(BFD_RELOC_32, IMAGE_REL_PPC_ADDR32); |
d6f41a7d KK |
2529 | HOW2MAP(BFD_RELOC_RVA, IMAGE_REL_PPC_ADDR32NB); |
2530 | default: | |
d6f41a7d | 2531 | return NULL; |
e7aa05bf | 2532 | } |
d6f41a7d | 2533 | |
e7aa05bf KK |
2534 | return NULL; |
2535 | } | |
2536 | ||
2537 | #undef HOW2MAP | |
2538 | ||
2539 | \f | |
2540 | /* Tailor coffcode.h -- macro heaven. */ | |
2541 | ||
2542 | #define RTYPE2HOWTO(cache_ptr, dst) ppc_coff_rtype2howto (cache_ptr, dst) | |
2543 | ||
d6f41a7d KK |
2544 | #ifndef COFF_IMAGE_WITH_PE |
2545 | static void | |
2546 | ppc_coff_swap_sym_in_hook (); | |
2547 | #endif | |
2548 | ||
2549 | /* We use the special COFF backend linker, with our own special touch. */ | |
2550 | ||
e7aa05bf KK |
2551 | #define coff_bfd_reloc_type_lookup ppc_coff_reloc_type_lookup |
2552 | #define coff_rtype_to_howto coff_ppc_rtype_to_howto | |
2553 | #define coff_relocate_section coff_ppc_relocate_section | |
13d1a4dd | 2554 | #define coff_bfd_final_link ppc_bfd_coff_final_link |
e7aa05bf | 2555 | |
d6f41a7d KK |
2556 | #ifndef COFF_IMAGE_WITH_PE |
2557 | #define coff_swap_sym_in_hook ppc_coff_swap_sym_in_hook | |
2558 | #endif | |
2559 | ||
e7aa05bf KK |
2560 | #define SELECT_RELOC(internal, howto) {internal.r_type=howto->type;} |
2561 | ||
2562 | #define COFF_PAGE_SIZE 0x1000 | |
2563 | ||
d6f41a7d KK |
2564 | #define POWERPC_LE_PE |
2565 | ||
e7aa05bf KK |
2566 | #include "coffcode.h" |
2567 | ||
d6f41a7d KK |
2568 | \f |
2569 | ||
2570 | #ifndef COFF_IMAGE_WITH_PE | |
a9713b91 ILT |
2571 | /* FIXME: |
2572 | What we're trying to do here is allocate a toc section (early), and attach | |
2573 | it to the last bfd to be processed. This avoids the problem of having a toc | |
2574 | written out before all files have been processed. This code allocates | |
2575 | a toc section for every file, and records the last one seen. There are | |
2576 | at least two problems with this approach: | |
2577 | 1. We allocate whole bunches of toc sections that are ignored, but at | |
2578 | at least we will not allocate a toc if no .toc is present. | |
2579 | 2. It's not clear to me that being the last bfd read necessarily means | |
2580 | that you are the last bfd closed. | |
2581 | 3. Doing it on a "swap in" hook depends on when the "swap in" is called, | |
2582 | and how often, etc. It's not clear to me that there isn't a hole here. | |
2583 | */ | |
2584 | ||
d6f41a7d KK |
2585 | static void |
2586 | ppc_coff_swap_sym_in_hook (abfd, ext1, in1) | |
2587 | bfd *abfd; | |
2588 | PTR ext1; | |
2589 | PTR in1; | |
2590 | { | |
2591 | SYMENT *ext = (SYMENT *)ext1; | |
2592 | struct internal_syment *in = (struct internal_syment *)in1; | |
2593 | ||
d6f41a7d KK |
2594 | if (bfd_of_toc_owner != 0) /* we already have a toc, so go home */ |
2595 | return; | |
d6f41a7d KK |
2596 | |
2597 | if (strcmp(in->_n._n_name, ".toc") == 0) | |
2598 | { | |
2599 | flagword flags; | |
2600 | register asection *s; | |
2601 | char *foo; | |
2602 | ||
2603 | s = bfd_get_section_by_name ( abfd , TOC_SECTION_NAME); | |
2604 | if (s != NULL) | |
2605 | { | |
2606 | return; | |
2607 | } | |
2608 | ||
2609 | flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY ; | |
2610 | ||
2611 | #ifdef TOC_DEBUG | |
2612 | fprintf(stderr, | |
2613 | "ppc_coff_swap_sym_in_hook: about to create the %s section\n", | |
2614 | TOC_SECTION_NAME); | |
2615 | #endif | |
2616 | ||
2617 | s = bfd_make_section (abfd, TOC_SECTION_NAME); | |
2618 | ||
2619 | if (s == NULL | |
2620 | || !bfd_set_section_flags (abfd, s, flags) | |
2621 | || !bfd_set_section_alignment (abfd, s, 2)) | |
2622 | { | |
2623 | fprintf(stderr, | |
2624 | "toc section allocation failed!\n"); | |
2625 | abort(); | |
2626 | } | |
2627 | ||
2628 | /* save the bfd for later allocation */ | |
2629 | bfd_of_toc_owner = abfd; | |
2630 | } | |
2631 | ||
2632 | return; | |
2633 | } | |
2634 | #endif | |
2635 | ||
13d1a4dd KK |
2636 | boolean |
2637 | ppc_bfd_coff_final_link (); | |
2638 | ||
2639 | #ifndef COFF_IMAGE_WITH_PE | |
2640 | ||
2641 | static boolean | |
2642 | ppc_do_last(abfd) | |
2643 | bfd *abfd; | |
2644 | { | |
2645 | if (abfd == bfd_of_toc_owner) | |
2646 | return true; | |
2647 | else | |
2648 | return false; | |
2649 | } | |
2650 | ||
2651 | static bfd * | |
2652 | ppc_get_last() | |
2653 | { | |
2654 | return bfd_of_toc_owner; | |
2655 | } | |
2656 | ||
2657 | /* this piece of machinery exists only to guarantee that the bfd that holds | |
2658 | the toc section is written last. | |
2659 | ||
2660 | This does depend on bfd_make_section attaching a new section to the | |
2661 | end of the section list for the bfd. | |
2662 | ||
2663 | This is otherwise intended to be functionally the same as | |
2664 | cofflink.c:_bfd_coff_final_link(). It is specifically different only | |
2665 | where the POWERPC_LE_PE macro modifies the code. It is left in as a | |
2666 | precise form of comment. krk@cygnus.com | |
2667 | */ | |
2668 | #define POWERPC_LE_PE | |
2669 | ||
2670 | ||
2671 | /* Do the final link step. */ | |
2672 | ||
2673 | boolean | |
2674 | ppc_bfd_coff_final_link (abfd, info) | |
2675 | bfd *abfd; | |
2676 | struct bfd_link_info *info; | |
2677 | { | |
2678 | bfd_size_type symesz; | |
2679 | struct coff_final_link_info finfo; | |
2680 | boolean debug_merge_allocated; | |
2681 | asection *o; | |
2682 | struct bfd_link_order *p; | |
2683 | size_t max_sym_count; | |
2684 | size_t max_lineno_count; | |
2685 | size_t max_reloc_count; | |
2686 | size_t max_output_reloc_count; | |
2687 | size_t max_contents_size; | |
2688 | file_ptr rel_filepos; | |
2689 | unsigned int relsz; | |
2690 | file_ptr line_filepos; | |
2691 | unsigned int linesz; | |
2692 | bfd *sub; | |
2693 | bfd_byte *external_relocs = NULL; | |
2694 | char strbuf[STRING_SIZE_SIZE]; | |
2695 | ||
2696 | symesz = bfd_coff_symesz (abfd); | |
2697 | ||
2698 | finfo.info = info; | |
2699 | finfo.output_bfd = abfd; | |
2700 | finfo.strtab = NULL; | |
2701 | finfo.section_info = NULL; | |
2702 | finfo.last_file_index = -1; | |
2703 | finfo.internal_syms = NULL; | |
2704 | finfo.sec_ptrs = NULL; | |
2705 | finfo.sym_indices = NULL; | |
2706 | finfo.outsyms = NULL; | |
2707 | finfo.linenos = NULL; | |
2708 | finfo.contents = NULL; | |
2709 | finfo.external_relocs = NULL; | |
2710 | finfo.internal_relocs = NULL; | |
2711 | debug_merge_allocated = false; | |
2712 | ||
2713 | coff_data (abfd)->link_info = info; | |
2714 | ||
2715 | finfo.strtab = _bfd_stringtab_init (); | |
2716 | if (finfo.strtab == NULL) | |
2717 | goto error_return; | |
2718 | ||
2719 | if (! coff_debug_merge_hash_table_init (&finfo.debug_merge)) | |
2720 | goto error_return; | |
2721 | debug_merge_allocated = true; | |
2722 | ||
2723 | /* Compute the file positions for all the sections. */ | |
2724 | if (! abfd->output_has_begun) | |
2725 | bfd_coff_compute_section_file_positions (abfd); | |
2726 | ||
2727 | /* Count the line numbers and relocation entries required for the | |
2728 | output file. Set the file positions for the relocs. */ | |
2729 | rel_filepos = obj_relocbase (abfd); | |
2730 | relsz = bfd_coff_relsz (abfd); | |
2731 | max_contents_size = 0; | |
2732 | max_lineno_count = 0; | |
2733 | max_reloc_count = 0; | |
2734 | ||
2735 | for (o = abfd->sections; o != NULL; o = o->next) | |
2736 | { | |
2737 | o->reloc_count = 0; | |
2738 | o->lineno_count = 0; | |
2739 | for (p = o->link_order_head; p != NULL; p = p->next) | |
2740 | { | |
2741 | ||
2742 | if (p->type == bfd_indirect_link_order) | |
2743 | { | |
2744 | asection *sec; | |
2745 | ||
2746 | sec = p->u.indirect.section; | |
2747 | ||
7ec49f91 ILT |
2748 | /* Mark all sections which are to be included in the |
2749 | link. This will normally be every section. We need | |
2750 | to do this so that we can identify any sections which | |
2751 | the linker has decided to not include. */ | |
2752 | sec->flags |= SEC_LINKER_MARK; | |
2753 | ||
13d1a4dd KK |
2754 | if (info->strip == strip_none |
2755 | || info->strip == strip_some) | |
2756 | o->lineno_count += sec->lineno_count; | |
2757 | ||
2758 | if (info->relocateable) | |
2759 | o->reloc_count += sec->reloc_count; | |
2760 | ||
2761 | if (sec->_raw_size > max_contents_size) | |
2762 | max_contents_size = sec->_raw_size; | |
2763 | if (sec->lineno_count > max_lineno_count) | |
2764 | max_lineno_count = sec->lineno_count; | |
2765 | if (sec->reloc_count > max_reloc_count) | |
2766 | max_reloc_count = sec->reloc_count; | |
2767 | } | |
2768 | else if (info->relocateable | |
2769 | && (p->type == bfd_section_reloc_link_order | |
2770 | || p->type == bfd_symbol_reloc_link_order)) | |
2771 | ++o->reloc_count; | |
2772 | } | |
2773 | if (o->reloc_count == 0) | |
2774 | o->rel_filepos = 0; | |
2775 | else | |
2776 | { | |
2777 | o->flags |= SEC_RELOC; | |
2778 | o->rel_filepos = rel_filepos; | |
2779 | rel_filepos += o->reloc_count * relsz; | |
2780 | } | |
2781 | } | |
2782 | ||
2783 | /* If doing a relocateable link, allocate space for the pointers we | |
2784 | need to keep. */ | |
2785 | if (info->relocateable) | |
2786 | { | |
2787 | unsigned int i; | |
2788 | ||
2789 | /* We use section_count + 1, rather than section_count, because | |
2790 | the target_index fields are 1 based. */ | |
2791 | finfo.section_info = | |
2792 | ((struct coff_link_section_info *) | |
2793 | bfd_malloc ((abfd->section_count + 1) | |
2794 | * sizeof (struct coff_link_section_info))); | |
2795 | if (finfo.section_info == NULL) | |
2796 | goto error_return; | |
2797 | for (i = 0; i <= abfd->section_count; i++) | |
2798 | { | |
2799 | finfo.section_info[i].relocs = NULL; | |
2800 | finfo.section_info[i].rel_hashes = NULL; | |
2801 | } | |
2802 | } | |
2803 | ||
2804 | /* We now know the size of the relocs, so we can determine the file | |
2805 | positions of the line numbers. */ | |
2806 | line_filepos = rel_filepos; | |
2807 | linesz = bfd_coff_linesz (abfd); | |
2808 | max_output_reloc_count = 0; | |
2809 | for (o = abfd->sections; o != NULL; o = o->next) | |
2810 | { | |
2811 | if (o->lineno_count == 0) | |
2812 | o->line_filepos = 0; | |
2813 | else | |
2814 | { | |
2815 | o->line_filepos = line_filepos; | |
2816 | line_filepos += o->lineno_count * linesz; | |
2817 | } | |
2818 | ||
2819 | if (o->reloc_count != 0) | |
2820 | { | |
2821 | /* We don't know the indices of global symbols until we have | |
2822 | written out all the local symbols. For each section in | |
2823 | the output file, we keep an array of pointers to hash | |
2824 | table entries. Each entry in the array corresponds to a | |
2825 | reloc. When we find a reloc against a global symbol, we | |
2826 | set the corresponding entry in this array so that we can | |
2827 | fix up the symbol index after we have written out all the | |
2828 | local symbols. | |
2829 | ||
2830 | Because of this problem, we also keep the relocs in | |
2831 | memory until the end of the link. This wastes memory, | |
2832 | but only when doing a relocateable link, which is not the | |
2833 | common case. */ | |
2834 | BFD_ASSERT (info->relocateable); | |
2835 | finfo.section_info[o->target_index].relocs = | |
2836 | ((struct internal_reloc *) | |
2837 | bfd_malloc (o->reloc_count * sizeof (struct internal_reloc))); | |
2838 | finfo.section_info[o->target_index].rel_hashes = | |
2839 | ((struct coff_link_hash_entry **) | |
2840 | bfd_malloc (o->reloc_count | |
2841 | * sizeof (struct coff_link_hash_entry *))); | |
2842 | if (finfo.section_info[o->target_index].relocs == NULL | |
2843 | || finfo.section_info[o->target_index].rel_hashes == NULL) | |
2844 | goto error_return; | |
2845 | ||
2846 | if (o->reloc_count > max_output_reloc_count) | |
2847 | max_output_reloc_count = o->reloc_count; | |
2848 | } | |
2849 | ||
2850 | /* Reset the reloc and lineno counts, so that we can use them to | |
2851 | count the number of entries we have output so far. */ | |
2852 | o->reloc_count = 0; | |
2853 | o->lineno_count = 0; | |
2854 | } | |
2855 | ||
2856 | obj_sym_filepos (abfd) = line_filepos; | |
2857 | ||
2858 | /* Figure out the largest number of symbols in an input BFD. Take | |
2859 | the opportunity to clear the output_has_begun fields of all the | |
2860 | input BFD's. */ | |
2861 | max_sym_count = 0; | |
2862 | for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) | |
2863 | { | |
2864 | size_t sz; | |
2865 | ||
2866 | sub->output_has_begun = false; | |
2867 | sz = obj_raw_syment_count (sub); | |
2868 | if (sz > max_sym_count) | |
2869 | max_sym_count = sz; | |
2870 | } | |
2871 | ||
2872 | /* Allocate some buffers used while linking. */ | |
2873 | finfo.internal_syms = ((struct internal_syment *) | |
2874 | bfd_malloc (max_sym_count | |
2875 | * sizeof (struct internal_syment))); | |
2876 | finfo.sec_ptrs = (asection **) bfd_malloc (max_sym_count | |
2877 | * sizeof (asection *)); | |
2878 | finfo.sym_indices = (long *) bfd_malloc (max_sym_count * sizeof (long)); | |
2879 | finfo.outsyms = ((bfd_byte *) | |
2880 | bfd_malloc ((size_t) ((max_sym_count + 1) * symesz))); | |
2881 | finfo.linenos = (bfd_byte *) bfd_malloc (max_lineno_count | |
2882 | * bfd_coff_linesz (abfd)); | |
2883 | finfo.contents = (bfd_byte *) bfd_malloc (max_contents_size); | |
2884 | finfo.external_relocs = (bfd_byte *) bfd_malloc (max_reloc_count * relsz); | |
2885 | if (! info->relocateable) | |
2886 | finfo.internal_relocs = ((struct internal_reloc *) | |
2887 | bfd_malloc (max_reloc_count | |
2888 | * sizeof (struct internal_reloc))); | |
2889 | if ((finfo.internal_syms == NULL && max_sym_count > 0) | |
2890 | || (finfo.sec_ptrs == NULL && max_sym_count > 0) | |
2891 | || (finfo.sym_indices == NULL && max_sym_count > 0) | |
2892 | || finfo.outsyms == NULL | |
2893 | || (finfo.linenos == NULL && max_lineno_count > 0) | |
2894 | || (finfo.contents == NULL && max_contents_size > 0) | |
2895 | || (finfo.external_relocs == NULL && max_reloc_count > 0) | |
2896 | || (! info->relocateable | |
2897 | && finfo.internal_relocs == NULL | |
2898 | && max_reloc_count > 0)) | |
2899 | goto error_return; | |
2900 | ||
2901 | /* We now know the position of everything in the file, except that | |
2902 | we don't know the size of the symbol table and therefore we don't | |
2903 | know where the string table starts. We just build the string | |
2904 | table in memory as we go along. We process all the relocations | |
2905 | for a single input file at once. */ | |
2906 | obj_raw_syment_count (abfd) = 0; | |
2907 | ||
2908 | if (coff_backend_info (abfd)->_bfd_coff_start_final_link) | |
2909 | { | |
2910 | if (! bfd_coff_start_final_link (abfd, info)) | |
2911 | goto error_return; | |
2912 | } | |
2913 | ||
2914 | for (o = abfd->sections; o != NULL; o = o->next) | |
2915 | { | |
2916 | for (p = o->link_order_head; p != NULL; p = p->next) | |
2917 | { | |
2918 | if (p->type == bfd_indirect_link_order | |
2919 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
2920 | == bfd_target_coff_flavour)) | |
2921 | { | |
2922 | sub = p->u.indirect.section->owner; | |
2923 | #ifdef POWERPC_LE_PE | |
2924 | if (! sub->output_has_begun && !ppc_do_last(sub)) | |
2925 | #else | |
2926 | if (! sub->output_has_begun) | |
2927 | #endif | |
2928 | { | |
7ec49f91 | 2929 | if (! _bfd_coff_link_input_bfd (&finfo, sub)) |
13d1a4dd KK |
2930 | goto error_return; |
2931 | sub->output_has_begun = true; | |
2932 | } | |
2933 | } | |
2934 | else if (p->type == bfd_section_reloc_link_order | |
2935 | || p->type == bfd_symbol_reloc_link_order) | |
2936 | { | |
7ec49f91 | 2937 | if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p)) |
13d1a4dd KK |
2938 | goto error_return; |
2939 | } | |
2940 | else | |
2941 | { | |
2942 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
2943 | goto error_return; | |
2944 | } | |
2945 | } | |
2946 | } | |
2947 | ||
2948 | #ifdef POWERPC_LE_PE | |
2949 | { | |
2950 | extern bfd* ppc_get_last(); | |
2951 | bfd* last_one = ppc_get_last(); | |
2952 | if (last_one) | |
2953 | { | |
7ec49f91 | 2954 | if (! _bfd_coff_link_input_bfd (&finfo, last_one)) |
13d1a4dd KK |
2955 | goto error_return; |
2956 | } | |
2957 | last_one->output_has_begun = true; | |
2958 | } | |
2959 | #endif | |
2960 | ||
7ec49f91 | 2961 | /* Free up the buffers used by _bfd_coff_link_input_bfd. */ |
13d1a4dd KK |
2962 | |
2963 | coff_debug_merge_hash_table_free (&finfo.debug_merge); | |
2964 | debug_merge_allocated = false; | |
2965 | ||
2966 | if (finfo.internal_syms != NULL) | |
2967 | { | |
2968 | free (finfo.internal_syms); | |
2969 | finfo.internal_syms = NULL; | |
2970 | } | |
2971 | if (finfo.sec_ptrs != NULL) | |
2972 | { | |
2973 | free (finfo.sec_ptrs); | |
2974 | finfo.sec_ptrs = NULL; | |
2975 | } | |
2976 | if (finfo.sym_indices != NULL) | |
2977 | { | |
2978 | free (finfo.sym_indices); | |
2979 | finfo.sym_indices = NULL; | |
2980 | } | |
2981 | if (finfo.linenos != NULL) | |
2982 | { | |
2983 | free (finfo.linenos); | |
2984 | finfo.linenos = NULL; | |
2985 | } | |
2986 | if (finfo.contents != NULL) | |
2987 | { | |
2988 | free (finfo.contents); | |
2989 | finfo.contents = NULL; | |
2990 | } | |
2991 | if (finfo.external_relocs != NULL) | |
2992 | { | |
2993 | free (finfo.external_relocs); | |
2994 | finfo.external_relocs = NULL; | |
2995 | } | |
2996 | if (finfo.internal_relocs != NULL) | |
2997 | { | |
2998 | free (finfo.internal_relocs); | |
2999 | finfo.internal_relocs = NULL; | |
3000 | } | |
3001 | ||
3002 | /* The value of the last C_FILE symbol is supposed to be the symbol | |
3003 | index of the first external symbol. Write it out again if | |
3004 | necessary. */ | |
3005 | if (finfo.last_file_index != -1 | |
3006 | && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd)) | |
3007 | { | |
3008 | finfo.last_file.n_value = obj_raw_syment_count (abfd); | |
3009 | bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file, | |
3010 | (PTR) finfo.outsyms); | |
3011 | if (bfd_seek (abfd, | |
3012 | (obj_sym_filepos (abfd) | |
3013 | + finfo.last_file_index * symesz), | |
3014 | SEEK_SET) != 0 | |
3015 | || bfd_write (finfo.outsyms, symesz, 1, abfd) != symesz) | |
3016 | return false; | |
3017 | } | |
3018 | ||
3019 | /* Write out the global symbols. */ | |
3020 | finfo.failed = false; | |
7ec49f91 | 3021 | coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_global_sym, |
13d1a4dd KK |
3022 | (PTR) &finfo); |
3023 | if (finfo.failed) | |
3024 | goto error_return; | |
3025 | ||
7ec49f91 | 3026 | /* The outsyms buffer is used by _bfd_coff_write_global_sym. */ |
13d1a4dd KK |
3027 | if (finfo.outsyms != NULL) |
3028 | { | |
3029 | free (finfo.outsyms); | |
3030 | finfo.outsyms = NULL; | |
3031 | } | |
3032 | ||
3033 | if (info->relocateable) | |
3034 | { | |
3035 | /* Now that we have written out all the global symbols, we know | |
3036 | the symbol indices to use for relocs against them, and we can | |
3037 | finally write out the relocs. */ | |
3038 | external_relocs = ((bfd_byte *) | |
3039 | bfd_malloc (max_output_reloc_count * relsz)); | |
3040 | if (external_relocs == NULL) | |
3041 | goto error_return; | |
3042 | ||
3043 | for (o = abfd->sections; o != NULL; o = o->next) | |
3044 | { | |
3045 | struct internal_reloc *irel; | |
3046 | struct internal_reloc *irelend; | |
3047 | struct coff_link_hash_entry **rel_hash; | |
3048 | bfd_byte *erel; | |
3049 | ||
3050 | if (o->reloc_count == 0) | |
3051 | continue; | |
3052 | ||
3053 | irel = finfo.section_info[o->target_index].relocs; | |
3054 | irelend = irel + o->reloc_count; | |
3055 | rel_hash = finfo.section_info[o->target_index].rel_hashes; | |
3056 | erel = external_relocs; | |
3057 | for (; irel < irelend; irel++, rel_hash++, erel += relsz) | |
3058 | { | |
3059 | if (*rel_hash != NULL) | |
3060 | { | |
3061 | BFD_ASSERT ((*rel_hash)->indx >= 0); | |
3062 | irel->r_symndx = (*rel_hash)->indx; | |
3063 | } | |
3064 | bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel); | |
3065 | } | |
3066 | ||
3067 | if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0 | |
3068 | || bfd_write ((PTR) external_relocs, relsz, o->reloc_count, | |
3069 | abfd) != relsz * o->reloc_count) | |
3070 | goto error_return; | |
3071 | } | |
3072 | ||
3073 | free (external_relocs); | |
3074 | external_relocs = NULL; | |
3075 | } | |
3076 | ||
3077 | /* Free up the section information. */ | |
3078 | if (finfo.section_info != NULL) | |
3079 | { | |
3080 | unsigned int i; | |
3081 | ||
3082 | for (i = 0; i < abfd->section_count; i++) | |
3083 | { | |
3084 | if (finfo.section_info[i].relocs != NULL) | |
3085 | free (finfo.section_info[i].relocs); | |
3086 | if (finfo.section_info[i].rel_hashes != NULL) | |
3087 | free (finfo.section_info[i].rel_hashes); | |
3088 | } | |
3089 | free (finfo.section_info); | |
3090 | finfo.section_info = NULL; | |
3091 | } | |
3092 | ||
3093 | /* Write out the string table. */ | |
3094 | if (obj_raw_syment_count (abfd) != 0) | |
3095 | { | |
3096 | if (bfd_seek (abfd, | |
3097 | (obj_sym_filepos (abfd) | |
3098 | + obj_raw_syment_count (abfd) * symesz), | |
3099 | SEEK_SET) != 0) | |
3100 | return false; | |
3101 | ||
3102 | #if STRING_SIZE_SIZE == 4 | |
3103 | bfd_h_put_32 (abfd, | |
3104 | _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE, | |
3105 | (bfd_byte *) strbuf); | |
3106 | #else | |
3107 | #error Change bfd_h_put_32 | |
3108 | #endif | |
3109 | ||
3110 | if (bfd_write (strbuf, 1, STRING_SIZE_SIZE, abfd) != STRING_SIZE_SIZE) | |
3111 | return false; | |
3112 | ||
3113 | if (! _bfd_stringtab_emit (abfd, finfo.strtab)) | |
3114 | return false; | |
3115 | } | |
3116 | ||
3117 | _bfd_stringtab_free (finfo.strtab); | |
3118 | ||
3119 | /* Setting bfd_get_symcount to 0 will cause write_object_contents to | |
3120 | not try to write out the symbols. */ | |
3121 | bfd_get_symcount (abfd) = 0; | |
3122 | ||
3123 | return true; | |
3124 | ||
3125 | error_return: | |
3126 | if (debug_merge_allocated) | |
3127 | coff_debug_merge_hash_table_free (&finfo.debug_merge); | |
3128 | if (finfo.strtab != NULL) | |
3129 | _bfd_stringtab_free (finfo.strtab); | |
3130 | if (finfo.section_info != NULL) | |
3131 | { | |
3132 | unsigned int i; | |
3133 | ||
3134 | for (i = 0; i < abfd->section_count; i++) | |
3135 | { | |
3136 | if (finfo.section_info[i].relocs != NULL) | |
3137 | free (finfo.section_info[i].relocs); | |
3138 | if (finfo.section_info[i].rel_hashes != NULL) | |
3139 | free (finfo.section_info[i].rel_hashes); | |
3140 | } | |
3141 | free (finfo.section_info); | |
3142 | } | |
3143 | if (finfo.internal_syms != NULL) | |
3144 | free (finfo.internal_syms); | |
3145 | if (finfo.sec_ptrs != NULL) | |
3146 | free (finfo.sec_ptrs); | |
3147 | if (finfo.sym_indices != NULL) | |
3148 | free (finfo.sym_indices); | |
3149 | if (finfo.outsyms != NULL) | |
3150 | free (finfo.outsyms); | |
3151 | if (finfo.linenos != NULL) | |
3152 | free (finfo.linenos); | |
3153 | if (finfo.contents != NULL) | |
3154 | free (finfo.contents); | |
3155 | if (finfo.external_relocs != NULL) | |
3156 | free (finfo.external_relocs); | |
3157 | if (finfo.internal_relocs != NULL) | |
3158 | free (finfo.internal_relocs); | |
3159 | if (external_relocs != NULL) | |
3160 | free (external_relocs); | |
3161 | return false; | |
3162 | } | |
3163 | #endif | |
d6f41a7d KK |
3164 | \f |
3165 | ||
e7aa05bf KK |
3166 | /* The transfer vectors that lead the outside world to all of the above. */ |
3167 | ||
3168 | #ifdef TARGET_LITTLE_SYM | |
3169 | const bfd_target | |
3170 | TARGET_LITTLE_SYM = | |
3171 | { | |
3172 | TARGET_LITTLE_NAME, /* name or coff-arm-little */ | |
3173 | bfd_target_coff_flavour, | |
13d1a4dd KK |
3174 | BFD_ENDIAN_LITTLE, /* data byte order is little */ |
3175 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
e7aa05bf KK |
3176 | |
3177 | (HAS_RELOC | EXEC_P | /* FIXME: object flags */ | |
3178 | HAS_LINENO | HAS_DEBUG | | |
3179 | HAS_SYMS | HAS_LOCALS | WP_TEXT), | |
d6f41a7d | 3180 | |
e7aa05bf KK |
3181 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
3182 | 0, /* leading char */ | |
3183 | '/', /* ar_pad_char */ | |
3184 | 15, /* ar_max_namelen??? FIXMEmgo */ | |
3185 | ||
3186 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
d6f41a7d KK |
3187 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
3188 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
e7aa05bf | 3189 | |
d6f41a7d KK |
3190 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
3191 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
3192 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
3193 | ||
e7aa05bf KK |
3194 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
3195 | bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p }, | |
3196 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
3197 | bfd_false}, | |
3198 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ | |
3199 | _bfd_write_archive_contents, bfd_false}, | |
d6f41a7d | 3200 | |
e7aa05bf KK |
3201 | BFD_JUMP_TABLE_GENERIC (coff), |
3202 | BFD_JUMP_TABLE_COPY (coff), | |
3203 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
3204 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
3205 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
3206 | BFD_JUMP_TABLE_RELOCS (coff), | |
3207 | BFD_JUMP_TABLE_WRITE (coff), | |
3208 | BFD_JUMP_TABLE_LINK (coff), | |
3209 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
d6f41a7d | 3210 | |
e7aa05bf KK |
3211 | COFF_SWAP_TABLE, |
3212 | }; | |
3213 | #endif | |
3214 | ||
3215 | #ifdef TARGET_BIG_SYM | |
3216 | const bfd_target | |
3217 | TARGET_BIG_SYM = | |
3218 | { | |
3219 | TARGET_BIG_NAME, | |
3220 | bfd_target_coff_flavour, | |
13d1a4dd KK |
3221 | BFD_ENDIAN_BIG, /* data byte order is big */ |
3222 | BFD_ENDIAN_BIG, /* header byte order is big */ | |
e7aa05bf KK |
3223 | |
3224 | (HAS_RELOC | EXEC_P | /* FIXME: object flags */ | |
3225 | HAS_LINENO | HAS_DEBUG | | |
3226 | HAS_SYMS | HAS_LOCALS | WP_TEXT), | |
3227 | ||
3228 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ | |
3229 | 0, /* leading char */ | |
3230 | '/', /* ar_pad_char */ | |
3231 | 15, /* ar_max_namelen??? FIXMEmgo */ | |
3232 | ||
3233 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
d6f41a7d KK |
3234 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
3235 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
3236 | ||
e7aa05bf | 3237 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
d6f41a7d KK |
3238 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
3239 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
e7aa05bf KK |
3240 | |
3241 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
3242 | bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p }, | |
3243 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
3244 | bfd_false}, | |
3245 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ | |
3246 | _bfd_write_archive_contents, bfd_false}, | |
3247 | ||
3248 | BFD_JUMP_TABLE_GENERIC (coff), | |
3249 | BFD_JUMP_TABLE_COPY (coff), | |
3250 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
3251 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
3252 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
3253 | BFD_JUMP_TABLE_RELOCS (coff), | |
3254 | BFD_JUMP_TABLE_WRITE (coff), | |
3255 | BFD_JUMP_TABLE_LINK (coff), | |
3256 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
3257 | ||
3258 | COFF_SWAP_TABLE, | |
3259 | }; | |
3260 | ||
3261 | #endif |