Commit | Line | Data |
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e7aa05bf | 1 | /* BFD back-end for PowerPC Microsoft Portable Executable files. |
d3e572fe | 2 | Copyright 1990, 91, 92, 93, 94, 95, 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)); | |
9addd1d4 | 296 | #if 0 |
e7aa05bf KK |
297 | static bfd_reloc_status_type ppc_reflo_reloc PARAMS ((bfd *abfd, |
298 | arelent *reloc, | |
299 | asymbol *symbol, | |
300 | PTR data, | |
301 | asection *section, | |
302 | bfd *output_bfd, | |
303 | char **error)); | |
9addd1d4 | 304 | #endif |
e7aa05bf KK |
305 | static bfd_reloc_status_type ppc_pair_reloc PARAMS ((bfd *abfd, |
306 | arelent *reloc, | |
307 | asymbol *symbol, | |
308 | PTR data, | |
309 | asection *section, | |
310 | bfd *output_bfd, | |
311 | char **error)); | |
312 | ||
313 | \f | |
314 | static bfd_reloc_status_type ppc_toc16_reloc PARAMS ((bfd *abfd, | |
315 | arelent *reloc, | |
316 | asymbol *symbol, | |
317 | PTR data, | |
318 | asection *section, | |
319 | bfd *output_bfd, | |
320 | char **error)); | |
321 | ||
9addd1d4 | 322 | #if 0 |
e7aa05bf KK |
323 | static bfd_reloc_status_type ppc_addr32nb_reloc PARAMS ((bfd *abfd, |
324 | arelent *reloc, | |
325 | asymbol *symbol, | |
326 | PTR data, | |
327 | asection *section, | |
328 | bfd *output_bfd, | |
329 | char **error)); | |
9addd1d4 | 330 | #endif |
e7aa05bf KK |
331 | static bfd_reloc_status_type ppc_section_reloc PARAMS ((bfd *abfd, |
332 | arelent *reloc, | |
333 | asymbol *symbol, | |
334 | PTR data, | |
335 | asection *section, | |
336 | bfd *output_bfd, | |
337 | char **error)); | |
338 | ||
339 | static bfd_reloc_status_type ppc_secrel_reloc PARAMS ((bfd *abfd, | |
340 | arelent *reloc, | |
341 | asymbol *symbol, | |
342 | PTR data, | |
343 | asection *section, | |
344 | bfd *output_bfd, | |
345 | char **error)); | |
346 | ||
347 | static bfd_reloc_status_type ppc_imglue_reloc PARAMS ((bfd *abfd, | |
348 | arelent *reloc, | |
349 | asymbol *symbol, | |
350 | PTR data, | |
351 | asection *section, | |
352 | bfd *output_bfd, | |
353 | char **error)); | |
354 | ||
355 | ||
356 | ||
d6f41a7d | 357 | static boolean in_reloc_p PARAMS((bfd *abfd, reloc_howto_type *howto)); |
e7aa05bf KK |
358 | |
359 | \f | |
360 | /* FIXME: It'll take a while to get through all of these. I only need a few to | |
361 | get us started, so those I'll make sure work. Those marked FIXME are either | |
362 | completely unverified or have a specific unknown marked in the comment */ | |
363 | ||
364 | /*---------------------------------------------------------------------------*/ | |
365 | /* */ | |
366 | /* Relocation entries for Windows/NT on PowerPC. */ | |
367 | /* */ | |
368 | /* From the document "" we find the following listed as used relocs: */ | |
369 | /* */ | |
370 | /* ABSOLUTE : The noop */ | |
371 | /* ADDR[64|32|16] : fields that hold addresses in data fields or the */ | |
372 | /* 16 bit displacement field on a load/store. */ | |
373 | /* ADDR[24|14] : fields that hold addresses in branch and cond */ | |
374 | /* branches. These represent [26|16] bit addresses. */ | |
375 | /* The low order 2 bits are preserved. */ | |
376 | /* REL[24|14] : branches relative to the Instruction Address */ | |
377 | /* register. These represent [26|16] bit addresses, */ | |
378 | /* as before. The instruction field will be zero, and */ | |
379 | /* the address of the SYM will be inserted at link time. */ | |
380 | /* TOCREL16 : 16 bit displacement field referring to a slot in */ | |
381 | /* toc. */ | |
382 | /* TOCREL14 : 16 bit displacement field, similar to REL14 or ADDR14. */ | |
383 | /* ADDR32NB : 32 bit address relative to the virtual origin. */ | |
384 | /* (On the alpha, this is always a linker generated thunk)*/ | |
385 | /* (i.e. 32bit addr relative to the image base) */ | |
386 | /* SECREL : The value is relative to the start of the section */ | |
387 | /* containing the symbol. */ | |
388 | /* SECTION : access to the header containing the item. Supports the */ | |
389 | /* codeview debugger. */ | |
390 | /* */ | |
391 | /* In particular, note that the document does not indicate that the */ | |
392 | /* relocations listed in the header file are used. */ | |
393 | /* */ | |
394 | /* */ | |
395 | /* */ | |
396 | /*---------------------------------------------------------------------------*/ | |
397 | ||
398 | static reloc_howto_type ppc_coff_howto_table[] = | |
399 | { | |
400 | /* IMAGE_REL_PPC_ABSOLUTE 0x0000 NOP */ | |
401 | /* Unused: */ | |
402 | HOWTO (IMAGE_REL_PPC_ABSOLUTE, /* type */ | |
403 | 0, /* rightshift */ | |
404 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
405 | 0, /* bitsize */ | |
406 | false, /* pc_relative */ | |
407 | 0, /* bitpos */ | |
408 | complain_overflow_dont, /* dont complain_on_overflow */ | |
409 | 0, /* special_function */ | |
410 | "ABSOLUTE", /* name */ | |
411 | false, /* partial_inplace */ | |
412 | 0x00, /* src_mask */ | |
413 | 0x00, /* dst_mask */ | |
414 | false), /* pcrel_offset */ | |
d6f41a7d | 415 | |
e7aa05bf KK |
416 | /* IMAGE_REL_PPC_ADDR64 0x0001 64-bit address */ |
417 | /* Unused: */ | |
418 | HOWTO(IMAGE_REL_PPC_ADDR64, /* type */ | |
d6f41a7d KK |
419 | 0, /* rightshift */ |
420 | 3, /* size (0 = byte, 1 = short, 2 = long) */ | |
421 | 64, /* bitsize */ | |
422 | false, /* pc_relative */ | |
423 | 0, /* bitpos */ | |
424 | complain_overflow_bitfield, /* complain_on_overflow */ | |
425 | 0, /* special_function */ | |
426 | "ADDR64", /* name */ | |
427 | true, /* partial_inplace */ | |
428 | MINUS_ONE, /* src_mask */ | |
429 | MINUS_ONE, /* dst_mask */ | |
430 | false), /* pcrel_offset */ | |
e7aa05bf KK |
431 | |
432 | /* IMAGE_REL_PPC_ADDR32 0x0002 32-bit address */ | |
433 | /* Used: */ | |
434 | HOWTO (IMAGE_REL_PPC_ADDR32, /* type */ | |
435 | 0, /* rightshift */ | |
436 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
437 | 32, /* bitsize */ | |
438 | false, /* pc_relative */ | |
439 | 0, /* bitpos */ | |
440 | complain_overflow_bitfield, /* complain_on_overflow */ | |
441 | 0, /* special_function */ | |
442 | "ADDR32", /* name */ | |
443 | true, /* partial_inplace */ | |
444 | 0xffffffff, /* src_mask */ | |
445 | 0xffffffff, /* dst_mask */ | |
446 | false), /* pcrel_offset */ | |
d6f41a7d | 447 | |
e7aa05bf KK |
448 | /* IMAGE_REL_PPC_ADDR24 0x0003 26-bit address, shifted left 2 (branch absolute) */ |
449 | /* the LI field is in bit 6 through bit 29 is 24 bits, + 2 for the shift */ | |
d6f41a7d | 450 | /* Of course, That's the IBM approved bit numbering, which is not what */ |
e7aa05bf KK |
451 | /* anyone else uses.... The li field is in bit 2 thru 25 */ |
452 | /* Used: */ | |
453 | HOWTO (IMAGE_REL_PPC_ADDR24, /* type */ | |
454 | 0, /* rightshift */ | |
455 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
456 | 26, /* bitsize */ | |
457 | false, /* pc_relative */ | |
458 | 0, /* bitpos */ | |
459 | complain_overflow_bitfield, /* complain_on_overflow */ | |
460 | 0, /* special_function */ | |
461 | "ADDR24", /* name */ | |
462 | true, /* partial_inplace */ | |
463 | 0x07fffffc, /* src_mask */ | |
464 | 0x07fffffc, /* dst_mask */ | |
465 | false), /* pcrel_offset */ | |
d6f41a7d | 466 | |
e7aa05bf KK |
467 | /* IMAGE_REL_PPC_ADDR16 0x0004 16-bit address */ |
468 | /* Used: */ | |
469 | HOWTO (IMAGE_REL_PPC_ADDR16, /* type */ | |
470 | 0, /* rightshift */ | |
471 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
472 | 16, /* bitsize */ | |
473 | false, /* pc_relative */ | |
474 | 0, /* bitpos */ | |
475 | complain_overflow_signed, /* complain_on_overflow */ | |
476 | 0, /* special_function */ | |
477 | "ADDR16", /* name */ | |
478 | true, /* partial_inplace */ | |
479 | 0xffff, /* src_mask */ | |
480 | 0xffff, /* dst_mask */ | |
481 | false), /* pcrel_offset */ | |
d6f41a7d | 482 | |
e7aa05bf KK |
483 | /* IMAGE_REL_PPC_ADDR14 0x0005 */ |
484 | /* 16-bit address, shifted left 2 (load doubleword) */ | |
485 | /* FIXME: the mask is likely wrong, and the bit position may be as well */ | |
486 | /* Unused: */ | |
487 | HOWTO (IMAGE_REL_PPC_ADDR14, /* type */ | |
488 | 1, /* rightshift */ | |
489 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
490 | 16, /* bitsize */ | |
491 | false, /* pc_relative */ | |
492 | 0, /* bitpos */ | |
493 | complain_overflow_signed, /* complain_on_overflow */ | |
494 | 0, /* special_function */ | |
495 | "ADDR16", /* name */ | |
496 | true, /* partial_inplace */ | |
497 | 0xffff, /* src_mask */ | |
498 | 0xffff, /* dst_mask */ | |
499 | false), /* pcrel_offset */ | |
d6f41a7d | 500 | |
e7aa05bf KK |
501 | /* IMAGE_REL_PPC_REL24 0x0006 */ |
502 | /* 26-bit PC-relative offset, shifted left 2 (branch relative) */ | |
503 | /* Used: */ | |
504 | HOWTO (IMAGE_REL_PPC_REL24, /* type */ | |
505 | 0, /* rightshift */ | |
506 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
507 | 26, /* bitsize */ | |
508 | true, /* pc_relative */ | |
509 | 0, /* bitpos */ | |
510 | complain_overflow_signed, /* complain_on_overflow */ | |
511 | 0, /* special_function */ | |
512 | "REL24", /* name */ | |
513 | true, /* partial_inplace */ | |
514 | 0x3fffffc, /* src_mask */ | |
515 | 0x3fffffc, /* dst_mask */ | |
516 | false), /* pcrel_offset */ | |
d6f41a7d | 517 | |
e7aa05bf KK |
518 | /* IMAGE_REL_PPC_REL14 0x0007 */ |
519 | /* 16-bit PC-relative offset, shifted left 2 (br cond relative) */ | |
520 | /* FIXME: the mask is likely wrong, and the bit position may be as well */ | |
521 | /* FIXME: how does it know how far to shift? */ | |
522 | /* Unused: */ | |
523 | HOWTO (IMAGE_REL_PPC_ADDR14, /* type */ | |
524 | 1, /* rightshift */ | |
525 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
526 | 16, /* bitsize */ | |
527 | false, /* pc_relative */ | |
528 | 0, /* bitpos */ | |
529 | complain_overflow_signed, /* complain_on_overflow */ | |
530 | 0, /* special_function */ | |
531 | "ADDR16", /* name */ | |
532 | true, /* partial_inplace */ | |
533 | 0xffff, /* src_mask */ | |
534 | 0xffff, /* dst_mask */ | |
535 | true), /* pcrel_offset */ | |
d6f41a7d | 536 | |
e7aa05bf KK |
537 | /* IMAGE_REL_PPC_TOCREL16 0x0008 */ |
538 | /* 16-bit offset from TOC base */ | |
539 | /* Used: */ | |
540 | HOWTO (IMAGE_REL_PPC_TOCREL16,/* type */ | |
541 | 0, /* rightshift */ | |
542 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
543 | 16, /* bitsize */ | |
544 | false, /* pc_relative */ | |
545 | 0, /* bitpos */ | |
546 | complain_overflow_dont, /* complain_on_overflow */ | |
547 | ppc_toc16_reloc, /* special_function */ | |
548 | "TOCREL16", /* name */ | |
549 | false, /* partial_inplace */ | |
550 | 0xffff, /* src_mask */ | |
551 | 0xffff, /* dst_mask */ | |
552 | false), /* pcrel_offset */ | |
d6f41a7d | 553 | |
e7aa05bf KK |
554 | /* IMAGE_REL_PPC_TOCREL14 0x0009 */ |
555 | /* 16-bit offset from TOC base, shifted left 2 (load doubleword) */ | |
556 | /* Unused: */ | |
557 | HOWTO (IMAGE_REL_PPC_TOCREL14,/* type */ | |
558 | 1, /* rightshift */ | |
559 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
560 | 16, /* bitsize */ | |
561 | false, /* pc_relative */ | |
562 | 0, /* bitpos */ | |
563 | complain_overflow_signed, /* complain_on_overflow */ | |
564 | 0, /* special_function */ | |
565 | "TOCREL14", /* name */ | |
566 | false, /* partial_inplace */ | |
567 | 0xffff, /* src_mask */ | |
568 | 0xffff, /* dst_mask */ | |
d6f41a7d KK |
569 | false), /* pcrel_offset */ |
570 | ||
e7aa05bf KK |
571 | /* IMAGE_REL_PPC_ADDR32NB 0x000A */ |
572 | /* 32-bit addr w/ image base */ | |
573 | /* Unused: */ | |
574 | HOWTO (IMAGE_REL_PPC_ADDR32NB,/* type */ | |
575 | 0, /* rightshift */ | |
576 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
577 | 32, /* bitsize */ | |
578 | false, /* pc_relative */ | |
579 | 0, /* bitpos */ | |
580 | complain_overflow_signed, /* complain_on_overflow */ | |
d6f41a7d | 581 | 0, /* special_function */ |
e7aa05bf KK |
582 | "ADDR32NB", /* name */ |
583 | true, /* partial_inplace */ | |
584 | 0xffffffff, /* src_mask */ | |
585 | 0xffffffff, /* dst_mask */ | |
d6f41a7d KK |
586 | false), /* pcrel_offset */ |
587 | ||
e7aa05bf KK |
588 | /* IMAGE_REL_PPC_SECREL 0x000B */ |
589 | /* va of containing section (as in an image sectionhdr) */ | |
590 | /* Unused: */ | |
591 | HOWTO (IMAGE_REL_PPC_SECREL,/* type */ | |
592 | 0, /* rightshift */ | |
593 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
594 | 32, /* bitsize */ | |
595 | false, /* pc_relative */ | |
596 | 0, /* bitpos */ | |
597 | complain_overflow_signed, /* complain_on_overflow */ | |
598 | ppc_secrel_reloc, /* special_function */ | |
599 | "SECREL", /* name */ | |
600 | true, /* partial_inplace */ | |
601 | 0xffffffff, /* src_mask */ | |
602 | 0xffffffff, /* dst_mask */ | |
603 | true), /* pcrel_offset */ | |
604 | ||
605 | /* IMAGE_REL_PPC_SECTION 0x000C */ | |
606 | /* sectionheader number */ | |
607 | /* Unused: */ | |
608 | HOWTO (IMAGE_REL_PPC_SECTION,/* type */ | |
609 | 0, /* rightshift */ | |
610 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
611 | 32, /* bitsize */ | |
612 | false, /* pc_relative */ | |
613 | 0, /* bitpos */ | |
614 | complain_overflow_signed, /* complain_on_overflow */ | |
615 | ppc_section_reloc, /* special_function */ | |
616 | "SECTION", /* name */ | |
617 | true, /* partial_inplace */ | |
618 | 0xffffffff, /* src_mask */ | |
619 | 0xffffffff, /* dst_mask */ | |
620 | true), /* pcrel_offset */ | |
621 | ||
622 | /* IMAGE_REL_PPC_IFGLUE 0x000D */ | |
623 | /* substitute TOC restore instruction iff symbol is glue code */ | |
624 | /* Used: */ | |
625 | HOWTO (IMAGE_REL_PPC_IFGLUE,/* type */ | |
626 | 0, /* rightshift */ | |
627 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
628 | 32, /* bitsize */ | |
629 | false, /* pc_relative */ | |
630 | 0, /* bitpos */ | |
631 | complain_overflow_signed, /* complain_on_overflow */ | |
632 | 0, /* special_function */ | |
633 | "IFGLUE", /* name */ | |
634 | true, /* partial_inplace */ | |
635 | 0xffffffff, /* src_mask */ | |
636 | 0xffffffff, /* dst_mask */ | |
d6f41a7d | 637 | false), /* pcrel_offset */ |
e7aa05bf KK |
638 | |
639 | /* IMAGE_REL_PPC_IMGLUE 0x000E */ | |
640 | /* symbol is glue code; virtual address is TOC restore instruction */ | |
641 | /* Unused: */ | |
642 | HOWTO (IMAGE_REL_PPC_IMGLUE,/* type */ | |
643 | 0, /* rightshift */ | |
644 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
645 | 32, /* bitsize */ | |
646 | false, /* pc_relative */ | |
647 | 0, /* bitpos */ | |
648 | complain_overflow_dont, /* complain_on_overflow */ | |
649 | ppc_imglue_reloc, /* special_function */ | |
650 | "IMGLUE", /* name */ | |
651 | false, /* partial_inplace */ | |
652 | 0xffffffff, /* src_mask */ | |
653 | 0xffffffff, /* dst_mask */ | |
654 | false), /* pcrel_offset */ | |
655 | ||
656 | /* IMAGE_REL_PPC_SECREL16 0x000F */ | |
657 | /* va of containing section (limited to 16 bits) */ | |
658 | /* Unused: */ | |
659 | HOWTO (IMAGE_REL_PPC_SECREL16,/* type */ | |
660 | 0, /* rightshift */ | |
661 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
662 | 16, /* bitsize */ | |
663 | false, /* pc_relative */ | |
664 | 0, /* bitpos */ | |
665 | complain_overflow_signed, /* complain_on_overflow */ | |
666 | 0, /* special_function */ | |
667 | "SECREL16", /* name */ | |
668 | true, /* partial_inplace */ | |
669 | 0xffff, /* src_mask */ | |
670 | 0xffff, /* dst_mask */ | |
671 | true), /* pcrel_offset */ | |
672 | ||
673 | /* IMAGE_REL_PPC_REFHI 0x0010 */ | |
674 | /* Unused: */ | |
675 | HOWTO (IMAGE_REL_PPC_REFHI, /* type */ | |
676 | 0, /* rightshift */ | |
677 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
678 | 16, /* bitsize */ | |
679 | false, /* pc_relative */ | |
680 | 0, /* bitpos */ | |
681 | complain_overflow_signed, /* complain_on_overflow */ | |
682 | ppc_refhi_reloc, /* special_function */ | |
683 | "REFHI", /* name */ | |
684 | true, /* partial_inplace */ | |
685 | 0xffffffff, /* src_mask */ | |
686 | 0xffffffff, /* dst_mask */ | |
687 | false), /* pcrel_offset */ | |
688 | ||
689 | /* IMAGE_REL_PPC_REFLO 0x0011 */ | |
690 | /* Unused: */ | |
691 | HOWTO (IMAGE_REL_PPC_REFLO, /* type */ | |
692 | 0, /* rightshift */ | |
693 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
694 | 16, /* bitsize */ | |
695 | false, /* pc_relative */ | |
696 | 0, /* bitpos */ | |
697 | complain_overflow_signed, /* complain_on_overflow */ | |
698 | ppc_refhi_reloc, /* special_function */ | |
699 | "REFLO", /* name */ | |
700 | true, /* partial_inplace */ | |
701 | 0xffffffff, /* src_mask */ | |
702 | 0xffffffff, /* dst_mask */ | |
703 | false), /* pcrel_offset */ | |
704 | ||
705 | /* IMAGE_REL_PPC_PAIR 0x0012 */ | |
706 | /* Unused: */ | |
707 | HOWTO (IMAGE_REL_PPC_PAIR, /* type */ | |
708 | 0, /* rightshift */ | |
709 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
710 | 16, /* bitsize */ | |
711 | false, /* pc_relative */ | |
712 | 0, /* bitpos */ | |
713 | complain_overflow_signed, /* complain_on_overflow */ | |
714 | ppc_pair_reloc, /* special_function */ | |
715 | "PAIR", /* name */ | |
716 | true, /* partial_inplace */ | |
717 | 0xffffffff, /* src_mask */ | |
718 | 0xffffffff, /* dst_mask */ | |
59066248 KK |
719 | false), /* pcrel_offset */ |
720 | ||
721 | /* IMAGE_REL_PPC_TOCREL16_DEFN 0x0013 */ | |
722 | /* 16-bit offset from TOC base, without causing a definition */ | |
723 | /* Used: */ | |
724 | HOWTO ( (IMAGE_REL_PPC_TOCREL16 | IMAGE_REL_PPC_TOCDEFN), /* type */ | |
725 | 0, /* rightshift */ | |
726 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
727 | 16, /* bitsize */ | |
728 | false, /* pc_relative */ | |
729 | 0, /* bitpos */ | |
730 | complain_overflow_dont, /* complain_on_overflow */ | |
731 | 0, /* special_function */ | |
732 | "TOCREL16, TOCDEFN", /* name */ | |
733 | false, /* partial_inplace */ | |
734 | 0xffff, /* src_mask */ | |
735 | 0xffff, /* dst_mask */ | |
736 | false), /* pcrel_offset */ | |
737 | ||
e7aa05bf KK |
738 | }; |
739 | ||
740 | ||
d6f41a7d KK |
741 | \f |
742 | ||
743 | /* Some really cheezy macros that can be turned on to test stderr :-) */ | |
744 | ||
d6f41a7d KK |
745 | #ifdef DEBUG_RELOC |
746 | #define UN_IMPL(x) \ | |
747 | { \ | |
748 | static int i; \ | |
749 | if (i == 0) \ | |
750 | { \ | |
751 | i = 1; \ | |
752 | fprintf(stderr,"Unimplemented Relocation -- %s\n",x); \ | |
753 | } \ | |
754 | } | |
755 | ||
756 | #define DUMP_RELOC(n,r) \ | |
757 | { \ | |
758 | fprintf(stderr,"%s sym %d, addr %d, addend %d\n", \ | |
759 | n, (*(r->sym_ptr_ptr))->name, \ | |
760 | r->address, r->addend); \ | |
761 | } | |
762 | ||
763 | /* Given a reloc name, n, and a pointer to an internal_reloc, | |
764 | dump out interesting information on the contents | |
765 | ||
766 | #define n_name _n._n_name | |
767 | #define n_zeroes _n._n_n._n_zeroes | |
768 | #define n_offset _n._n_n._n_offset | |
769 | ||
770 | */ | |
771 | ||
772 | #define DUMP_RELOC2(n,r) \ | |
773 | { \ | |
cd2b2402 KK |
774 | fprintf(stderr,"%s sym %d, r_vaddr %d %s\n", \ |
775 | n, r->r_symndx, r->r_vaddr,\ | |
776 | (((r->r_type) & IMAGE_REL_PPC_TOCDEFN) == 0) \ | |
777 | ?" ":" TOCDEFN" ); \ | |
d6f41a7d KK |
778 | } |
779 | ||
780 | #else | |
781 | #define UN_IMPL(x) | |
782 | #define DUMP_RELOC(n,r) | |
783 | #define DUMP_RELOC2(n,r) | |
784 | #endif | |
785 | ||
786 | ||
787 | \f | |
788 | /* toc construction and management routines */ | |
789 | extern bfd* bfd_of_toc_owner; | |
790 | extern long int global_toc_size; | |
791 | ||
792 | extern long int import_table_size; | |
793 | extern long int first_thunk_address; | |
794 | extern long int thunk_size; | |
795 | ||
796 | enum toc_type | |
797 | { | |
798 | default_toc, | |
799 | toc_32, | |
800 | toc_64 | |
801 | }; | |
802 | ||
a9713b91 ILT |
803 | enum ref_category |
804 | { | |
805 | priv, | |
806 | pub, | |
807 | data | |
808 | }; | |
809 | ||
93b6a3f8 KK |
810 | struct list_ele |
811 | { | |
812 | struct list_ele *next; | |
813 | bfd_vma addr; | |
a9713b91 | 814 | enum ref_category cat; |
93b6a3f8 KK |
815 | int offset; |
816 | const char *name; | |
817 | }; | |
818 | ||
819 | extern struct list_ele *head; | |
820 | extern struct list_ele *tail; | |
821 | ||
822 | static void | |
a9713b91 | 823 | record_toc(toc_section, our_toc_offset, cat, name) |
93b6a3f8 KK |
824 | asection *toc_section; |
825 | int our_toc_offset; | |
a9713b91 | 826 | enum ref_category cat; |
93b6a3f8 KK |
827 | const char *name; |
828 | { | |
829 | /* add this entry to our toc addr-offset-name list */ | |
830 | struct list_ele *t; | |
f9fa5df3 | 831 | t = (struct list_ele *) bfd_malloc (sizeof (struct list_ele)); |
58142f10 ILT |
832 | if (t == NULL) |
833 | abort (); | |
93b6a3f8 KK |
834 | t->next = 0; |
835 | t->offset = our_toc_offset; | |
836 | t->name = name; | |
a9713b91 | 837 | t->cat = cat; |
93b6a3f8 KK |
838 | t->addr = toc_section->output_offset + our_toc_offset; |
839 | ||
840 | if (head == 0) | |
841 | { | |
842 | head = t; | |
843 | tail = t; | |
844 | } | |
845 | else | |
846 | { | |
847 | tail->next = t; | |
848 | tail = t; | |
849 | } | |
850 | } | |
851 | ||
9addd1d4 ILT |
852 | #ifdef COFF_IMAGE_WITH_PE |
853 | ||
d6f41a7d KK |
854 | /* record a toc offset against a symbol */ |
855 | static int | |
856 | ppc_record_toc_entry(abfd, info, sec, sym, toc_kind) | |
857 | bfd *abfd; | |
858 | struct bfd_link_info *info; | |
859 | asection *sec; | |
860 | int sym; | |
861 | enum toc_type toc_kind; | |
862 | { | |
93b6a3f8 | 863 | struct ppc_coff_link_hash_entry *h; |
d6f41a7d KK |
864 | int ret_val; |
865 | const char *name; | |
866 | ||
867 | int *local_syms; | |
868 | ||
869 | h = 0; | |
870 | ||
93b6a3f8 KK |
871 | h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]); |
872 | if (h != 0) | |
873 | { | |
874 | CHECK_EYE(h->eye_catcher); | |
875 | } | |
d6f41a7d KK |
876 | |
877 | if (h == 0) | |
878 | { | |
879 | local_syms = obj_coff_local_toc_table(abfd); | |
880 | if (local_syms == 0) | |
881 | { | |
882 | int i; | |
883 | /* allocate a table */ | |
884 | local_syms = | |
885 | (int *) bfd_zalloc (abfd, | |
886 | obj_raw_syment_count(abfd) * sizeof(int)); | |
887 | if (local_syms == 0) | |
a9713b91 | 888 | return false; |
d6f41a7d KK |
889 | obj_coff_local_toc_table(abfd) = local_syms; |
890 | for (i = 0; i < obj_raw_syment_count(abfd); ++i) | |
59066248 KK |
891 | { |
892 | SET_UNALLOCATED(local_syms[i]); | |
893 | } | |
d6f41a7d KK |
894 | } |
895 | ||
59066248 | 896 | if (IS_UNALLOCATED(local_syms[sym])) |
d6f41a7d KK |
897 | { |
898 | local_syms[sym] = global_toc_size; | |
899 | ret_val = global_toc_size; | |
900 | global_toc_size += 4; | |
a9713b91 ILT |
901 | |
902 | /* The size must fit in a 16bit displacment */ | |
903 | if (global_toc_size >= 65535) | |
904 | { | |
905 | fprintf(stderr, | |
906 | "Exceeded toc size of 65535\n"); | |
907 | abort(); | |
908 | } | |
909 | ||
d6f41a7d KK |
910 | #ifdef TOC_DEBUG |
911 | fprintf(stderr, | |
912 | "Setting toc_offset for local sym %d to %d\n", | |
913 | sym, ret_val); | |
914 | #endif | |
915 | } | |
916 | else | |
917 | { | |
918 | ret_val = local_syms[sym]; | |
919 | #ifdef TOC_DEBUG | |
920 | fprintf(stderr, | |
921 | "toc_offset already set for local sym %d to %d\n", | |
922 | sym, ret_val); | |
923 | #endif | |
924 | } | |
925 | } | |
926 | else | |
927 | { | |
93b6a3f8 | 928 | name = h->root.root.root.string; |
d6f41a7d KK |
929 | |
930 | /* check to see if there's a toc slot allocated. If not, do it | |
931 | here. It will be used in relocate_section */ | |
59066248 | 932 | if (IS_UNALLOCATED(h->toc_offset)) |
d6f41a7d KK |
933 | { |
934 | h->toc_offset = global_toc_size; | |
935 | ret_val = global_toc_size; | |
936 | global_toc_size += 4; | |
a9713b91 ILT |
937 | |
938 | /* The size must fit in a 16bit displacment */ | |
939 | if (global_toc_size >= 65535) | |
940 | { | |
941 | fprintf(stderr, | |
942 | "Exceeded toc size of 65535\n"); | |
943 | abort(); | |
944 | } | |
945 | ||
d6f41a7d KK |
946 | #ifdef TOC_DEBUG |
947 | fprintf(stderr, | |
948 | "Setting toc_offset for sym %d (%s) [h=%p] to %d\n", | |
949 | sym, name, h, ret_val); | |
950 | #endif | |
951 | } | |
952 | else | |
953 | { | |
954 | ret_val = h->toc_offset; | |
955 | #ifdef TOC_DEBUG | |
956 | fprintf(stderr, | |
957 | "toc_offset already set for sym %d (%s) [h=%p] to %d\n", | |
958 | sym, name, h, ret_val); | |
959 | #endif | |
960 | } | |
961 | } | |
962 | ||
963 | return ret_val; | |
964 | } | |
9addd1d4 ILT |
965 | |
966 | #endif /* COFF_IMAGE_WITH_PE */ | |
967 | ||
968 | #if 0 | |
969 | ||
cd2b2402 KK |
970 | /* FIXME: record a toc offset against a data-in-toc symbol */ |
971 | /* Now, there is currenly some confusion on what this means. In some | |
972 | compilers one sees the moral equivalent of: | |
973 | .tocd | |
974 | define some data | |
975 | .text | |
976 | refer to the data with a [tocv] qualifier | |
977 | In general, one sees something to indicate that a tocd has been | |
978 | seen, and that would trigger the allocation of data in toc. The IBM | |
979 | docs seem to suggest that anything with the TOCDEFN qualifier should | |
980 | never trigger storage allocation. However, in the kernel32.lib that | |
981 | we've been using for our test bed, there are a couple of variables | |
982 | referenced that fail that test. | |
983 | ||
984 | So it can't work that way. | |
985 | */ | |
986 | static int | |
987 | ppc_record_data_in_toc_entry(abfd, info, sec, sym, toc_kind) | |
988 | bfd *abfd; | |
989 | struct bfd_link_info *info; | |
990 | asection *sec; | |
991 | int sym; | |
992 | enum toc_type toc_kind; | |
993 | { | |
cd2b2402 | 994 | struct ppc_coff_link_hash_entry *h = 0; |
cd2b2402 KK |
995 | int ret_val; |
996 | const char *name; | |
997 | ||
998 | int *local_syms; | |
999 | ||
1000 | h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]); | |
1001 | ||
1002 | if (h == 0) | |
1003 | { | |
1004 | local_syms = obj_coff_local_toc_table(abfd); | |
1005 | if (local_syms == 0) | |
1006 | { | |
1007 | int i; | |
1008 | /* allocate a table */ | |
1009 | local_syms = | |
1010 | (int *) bfd_zalloc (abfd, | |
1011 | obj_raw_syment_count(abfd) * sizeof(int)); | |
1012 | if (local_syms == 0) | |
a9713b91 | 1013 | return false; |
cd2b2402 KK |
1014 | obj_coff_local_toc_table(abfd) = local_syms; |
1015 | for (i = 0; i < obj_raw_syment_count(abfd); ++i) | |
59066248 KK |
1016 | { |
1017 | SET_UNALLOCATED(local_syms[i]); | |
1018 | } | |
cd2b2402 KK |
1019 | } |
1020 | ||
59066248 | 1021 | if (IS_UNALLOCATED(local_syms[sym])) |
cd2b2402 KK |
1022 | { |
1023 | local_syms[sym] = global_toc_size; | |
1024 | ret_val = global_toc_size; | |
1025 | global_toc_size += 4; | |
1026 | #ifdef TOC_DEBUG | |
1027 | fprintf(stderr, | |
1028 | "Setting data_in_toc_offset for local sym %d to %d\n", | |
1029 | sym, ret_val); | |
1030 | #endif | |
1031 | } | |
1032 | else | |
1033 | { | |
1034 | ret_val = local_syms[sym]; | |
1035 | #ifdef TOC_DEBUG | |
1036 | fprintf(stderr, | |
1037 | "data_in_toc_offset already set for local sym %d to %d\n", | |
1038 | sym, ret_val); | |
1039 | #endif | |
1040 | } | |
1041 | } | |
1042 | else | |
1043 | { | |
1044 | CHECK_EYE(h->eye_catcher); | |
1045 | ||
1046 | name = h->root.root.root.string; | |
1047 | ||
1048 | /* check to see if there's a toc slot allocated. If not, do it | |
1049 | here. It will be used in relocate_section */ | |
59066248 | 1050 | if (IS_UNALLOCATED(h->toc_offset)) |
cd2b2402 KK |
1051 | { |
1052 | #if 0 | |
1053 | h->toc_offset = global_toc_size; | |
1054 | #endif | |
1055 | ret_val = global_toc_size; | |
1056 | /* We're allocating a chunk of the toc, as opposed to a slot */ | |
1057 | /* FIXME: alignment? */ | |
1058 | ||
1059 | global_toc_size += 4; | |
1060 | #ifdef TOC_DEBUG | |
1061 | fprintf(stderr, | |
1062 | "Setting data_in_toc_offset for sym %d (%s) [h=%p] to %d\n", | |
1063 | sym, name, h, ret_val); | |
1064 | #endif | |
1065 | } | |
1066 | else | |
1067 | { | |
1068 | ret_val = h->toc_offset; | |
1069 | #ifdef TOC_DEBUG | |
1070 | fprintf(stderr, | |
1071 | "data_in_toc_offset already set for sym %d (%s) [h=%p] to %d\n", | |
1072 | sym, name, h, ret_val); | |
1073 | #endif | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | return ret_val; | |
1078 | } | |
d6f41a7d | 1079 | |
9addd1d4 ILT |
1080 | #endif /* 0 */ |
1081 | ||
1082 | #ifdef COFF_IMAGE_WITH_PE | |
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 | ||
9addd1d4 | 1103 | #endif /* COFF_IMAGE_WITH_PE */ |
d6f41a7d | 1104 | \f |
9addd1d4 ILT |
1105 | #if 0 |
1106 | ||
e7aa05bf KK |
1107 | /* Provided the symbol, returns the value reffed */ |
1108 | static long get_symbol_value PARAMS ((asymbol *)); | |
1109 | ||
1110 | static long | |
1111 | get_symbol_value (symbol) | |
1112 | asymbol *symbol; | |
1113 | { | |
1114 | long relocation = 0; | |
1115 | ||
1116 | if (bfd_is_com_section (symbol->section)) | |
d6f41a7d KK |
1117 | { |
1118 | relocation = 0; | |
1119 | } | |
e7aa05bf | 1120 | else |
d6f41a7d KK |
1121 | { |
1122 | relocation = symbol->value + | |
1123 | symbol->section->output_section->vma + | |
1124 | symbol->section->output_offset; | |
1125 | } | |
e7aa05bf KK |
1126 | |
1127 | return(relocation); | |
1128 | } | |
1129 | ||
9addd1d4 ILT |
1130 | #endif /* 0 */ |
1131 | ||
d6f41a7d KK |
1132 | /* Return true if this relocation should |
1133 | appear in the output .reloc section. */ | |
1134 | ||
1135 | static boolean in_reloc_p(abfd, howto) | |
1136 | bfd * abfd; | |
1137 | reloc_howto_type *howto; | |
1138 | { | |
1139 | return | |
1140 | (! howto->pc_relative) | |
caa740be | 1141 | && (howto->type != IMAGE_REL_PPC_ADDR32NB) |
d6f41a7d | 1142 | && (howto->type != IMAGE_REL_PPC_TOCREL16) |
caa740be KK |
1143 | && (howto->type != IMAGE_REL_PPC_IMGLUE) |
1144 | && (howto->type != IMAGE_REL_PPC_IFGLUE) | |
1145 | && (howto->type != IMAGE_REL_PPC_SECREL) | |
1146 | && (howto->type != IMAGE_REL_PPC_SECTION) | |
1147 | && (howto->type != IMAGE_REL_PPC_SECREL16) | |
1148 | && (howto->type != IMAGE_REL_PPC_REFHI) | |
1149 | && (howto->type != IMAGE_REL_PPC_REFLO) | |
1150 | && (howto->type != IMAGE_REL_PPC_PAIR) | |
1151 | && (howto->type != IMAGE_REL_PPC_TOCREL16_DEFN) ; | |
d6f41a7d KK |
1152 | } |
1153 | ||
9addd1d4 ILT |
1154 | #if 0 |
1155 | ||
e7aa05bf KK |
1156 | /* this function is in charge of performing all the ppc PE relocations */ |
1157 | /* Don't yet know if we want to do this this particular way ... (krk) */ | |
d6f41a7d | 1158 | /* FIXME: (it is not yet enabled) */ |
e7aa05bf KK |
1159 | |
1160 | static bfd_reloc_status_type | |
1161 | pe_ppc_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd, | |
d6f41a7d | 1162 | error_message) |
e7aa05bf KK |
1163 | bfd *abfd; |
1164 | arelent *reloc_entry; | |
1165 | asymbol *symbol_in; | |
1166 | PTR data; | |
1167 | asection *input_section; | |
1168 | bfd *output_bfd; | |
1169 | char **error_message; | |
1170 | { | |
1171 | /* the consth relocation comes in two parts, we have to remember | |
1172 | the state between calls, in these variables */ | |
1173 | static boolean part1_consth_active = false; | |
1174 | static unsigned long part1_consth_value; | |
1175 | ||
e7aa05bf | 1176 | unsigned long sym_value; |
e7aa05bf | 1177 | unsigned short r_type; |
e7aa05bf | 1178 | unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/ |
e7aa05bf | 1179 | |
d6f41a7d | 1180 | fprintf(stderr, "pe_ppc_reloc (%s)\n", TARGET_LITTLE_NAME); |
e7aa05bf | 1181 | |
d6f41a7d | 1182 | r_type = reloc_entry->howto->type; |
e7aa05bf | 1183 | |
d6f41a7d KK |
1184 | if (output_bfd) |
1185 | { | |
1186 | /* Partial linking - do nothing */ | |
1187 | reloc_entry->address += input_section->output_offset; | |
1188 | return bfd_reloc_ok; | |
1189 | } | |
e7aa05bf KK |
1190 | |
1191 | if (symbol_in != NULL | |
1192 | && bfd_is_und_section (symbol_in->section)) | |
e7aa05bf | 1193 | { |
d6f41a7d KK |
1194 | /* Keep the state machine happy in case we're called again */ |
1195 | if (r_type == IMAGE_REL_PPC_REFHI) | |
1196 | { | |
1197 | part1_consth_active = true; | |
1198 | part1_consth_value = 0; | |
1199 | } | |
1200 | return(bfd_reloc_undefined); | |
e7aa05bf | 1201 | } |
d6f41a7d | 1202 | |
e7aa05bf | 1203 | if ((part1_consth_active) && (r_type != IMAGE_REL_PPC_PAIR)) |
e7aa05bf | 1204 | { |
d6f41a7d KK |
1205 | part1_consth_active = false; |
1206 | *error_message = (char *) "Missing PAIR"; | |
e7aa05bf KK |
1207 | return(bfd_reloc_dangerous); |
1208 | } | |
e7aa05bf | 1209 | |
e7aa05bf | 1210 | |
d6f41a7d KK |
1211 | sym_value = get_symbol_value(symbol_in); |
1212 | ||
e7aa05bf KK |
1213 | return(bfd_reloc_ok); |
1214 | } | |
1215 | ||
9addd1d4 ILT |
1216 | #endif /* 0 */ |
1217 | ||
e7aa05bf KK |
1218 | /* The reloc processing routine for the optimized COFF linker. */ |
1219 | ||
1220 | static boolean | |
1221 | coff_ppc_relocate_section (output_bfd, info, input_bfd, input_section, | |
d6f41a7d | 1222 | contents, relocs, syms, sections) |
e7aa05bf KK |
1223 | bfd *output_bfd; |
1224 | struct bfd_link_info *info; | |
1225 | bfd *input_bfd; | |
1226 | asection *input_section; | |
1227 | bfd_byte *contents; | |
1228 | struct internal_reloc *relocs; | |
1229 | struct internal_syment *syms; | |
1230 | asection **sections; | |
1231 | { | |
1232 | struct internal_reloc *rel; | |
1233 | struct internal_reloc *relend; | |
1234 | boolean hihalf; | |
1235 | bfd_vma hihalf_val; | |
d6f41a7d KK |
1236 | asection *toc_section = 0; |
1237 | bfd_vma relocation; | |
1238 | reloc_howto_type *howto = 0; | |
1239 | ||
1240 | #ifdef DEBUG_RELOC | |
1241 | fprintf(stderr, | |
13d1a4dd | 1242 | "pe_ppc_relocate_section (%s) for %s in bfd %s\n", |
d6f41a7d | 1243 | TARGET_LITTLE_NAME, |
13d1a4dd KK |
1244 | input_section->name, |
1245 | input_bfd->filename); | |
d6f41a7d KK |
1246 | |
1247 | #endif | |
e7aa05bf KK |
1248 | |
1249 | /* If we are performing a relocateable link, we don't need to do a | |
1250 | thing. The caller will take care of adjusting the reloc | |
1251 | addresses and symbol indices. */ | |
e7aa05bf KK |
1252 | if (info->relocateable) |
1253 | return true; | |
d6f41a7d | 1254 | |
e7aa05bf KK |
1255 | hihalf = false; |
1256 | hihalf_val = 0; | |
1257 | ||
1258 | rel = relocs; | |
1259 | relend = rel + input_section->reloc_count; | |
1260 | for (; rel < relend; rel++) | |
1261 | { | |
1262 | long symndx; | |
93b6a3f8 | 1263 | struct ppc_coff_link_hash_entry *h; |
e7aa05bf | 1264 | struct internal_syment *sym; |
e7aa05bf | 1265 | bfd_vma val; |
d6f41a7d KK |
1266 | |
1267 | asection *sec; | |
e7aa05bf | 1268 | bfd_reloc_status_type rstat; |
d6f41a7d KK |
1269 | bfd_byte *loc; |
1270 | ||
1271 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); | |
1272 | unsigned short r_flags = EXTRACT_FLAGS(rel->r_type); | |
d6f41a7d KK |
1273 | |
1274 | #ifdef DEBUG_RELOC | |
93b6a3f8 KK |
1275 | /* now examine flags */ |
1276 | if (r_flags != 0) | |
1277 | { | |
1278 | fprintf (stderr, "Reloc with flags found!"); | |
1279 | if ( r_flags & IMAGE_REL_PPC_NEG ) | |
1280 | fprintf (stderr, " NEG"); | |
1281 | if ( r_flags & IMAGE_REL_PPC_BRTAKEN ) | |
1282 | fprintf (stderr, " BRTAKEN"); | |
1283 | if ( r_flags & IMAGE_REL_PPC_BRNTAKEN ) | |
1284 | fprintf (stderr, " BRNTAKEN"); | |
1285 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) | |
1286 | fprintf (stderr, " TOCDEFN"); | |
1287 | fprintf(stderr, "\n"); | |
1288 | } | |
d6f41a7d | 1289 | #endif |
e7aa05bf KK |
1290 | |
1291 | symndx = rel->r_symndx; | |
1292 | loc = contents + rel->r_vaddr - input_section->vma; | |
1293 | ||
d6f41a7d KK |
1294 | /* FIXME: check bounds on r_type */ |
1295 | howto = ppc_coff_howto_table + r_type; | |
1296 | ||
e7aa05bf | 1297 | if (symndx == -1) |
d6f41a7d KK |
1298 | { |
1299 | h = NULL; | |
1300 | sym = NULL; | |
1301 | } | |
e7aa05bf | 1302 | else |
d6f41a7d | 1303 | { |
93b6a3f8 KK |
1304 | h = (struct ppc_coff_link_hash_entry *) |
1305 | (obj_coff_sym_hashes (input_bfd)[symndx]); | |
1306 | if (h != 0) | |
1307 | { | |
1308 | CHECK_EYE(h->eye_catcher); | |
1309 | } | |
1310 | ||
d6f41a7d KK |
1311 | sym = syms + symndx; |
1312 | } | |
e7aa05bf | 1313 | |
e7aa05bf KK |
1314 | sec = NULL; |
1315 | val = 0; | |
1316 | ||
d6f41a7d KK |
1317 | /* FIXME: PAIR unsupported in the following code */ |
1318 | if (h == NULL) | |
1319 | { | |
1320 | if (symndx == -1) | |
1321 | sec = bfd_abs_section_ptr; | |
1322 | else | |
1323 | { | |
1324 | sec = sections[symndx]; | |
1325 | val = (sec->output_section->vma | |
1326 | + sec->output_offset | |
1327 | + sym->n_value | |
1328 | - sec->vma); | |
1329 | } | |
1330 | } | |
1331 | else | |
1332 | { | |
93b6a3f8 KK |
1333 | CHECK_EYE(h->eye_catcher); |
1334 | ||
1335 | if (h->root.root.type == bfd_link_hash_defined | |
1336 | || h->root.root.type == bfd_link_hash_defweak) | |
d6f41a7d | 1337 | { |
93b6a3f8 KK |
1338 | sec = h->root.root.u.def.section; |
1339 | val = (h->root.root.u.def.value | |
d6f41a7d KK |
1340 | + sec->output_section->vma |
1341 | + sec->output_offset); | |
1342 | } | |
1343 | else | |
1344 | { | |
13d1a4dd KK |
1345 | fprintf(stderr, |
1346 | "missing %s\n",h->root.root.root.string); | |
d6f41a7d | 1347 | if (! ((*info->callbacks->undefined_symbol) |
93b6a3f8 | 1348 | (info, h->root.root.root.string, input_bfd, input_section, |
d6f41a7d KK |
1349 | rel->r_vaddr - input_section->vma))) |
1350 | return false; | |
1351 | } | |
1352 | } | |
e7aa05bf | 1353 | |
d6f41a7d KK |
1354 | rstat = bfd_reloc_ok; |
1355 | ||
1356 | /* Each case must do its own relocation, setting rstat appropriately */ | |
e7aa05bf KK |
1357 | switch (r_type) |
1358 | { | |
1359 | default: | |
d6f41a7d KK |
1360 | fprintf( stderr, |
1361 | "ERROR: during reloc processing -- unsupported reloc %s\n", | |
1362 | howto->name); | |
e7aa05bf | 1363 | bfd_set_error (bfd_error_bad_value); |
d6f41a7d | 1364 | abort(); |
e7aa05bf KK |
1365 | return false; |
1366 | case IMAGE_REL_PPC_TOCREL16: | |
d6f41a7d KK |
1367 | { |
1368 | bfd_vma our_toc_offset; | |
1369 | int fixit; | |
1370 | ||
1371 | DUMP_RELOC2(howto->name, rel); | |
1372 | ||
1373 | if (toc_section == 0) | |
1374 | { | |
1375 | toc_section = bfd_get_section_by_name (bfd_of_toc_owner, | |
1376 | TOC_SECTION_NAME); | |
1377 | #ifdef TOC_DEBUG | |
1378 | ||
1379 | fprintf(stderr, | |
13d1a4dd KK |
1380 | "BFD of toc owner %p (%s), section addr of %s %p\n", |
1381 | bfd_of_toc_owner, bfd_of_toc_owner->filename, | |
1382 | TOC_SECTION_NAME, toc_section); | |
d6f41a7d KK |
1383 | #endif |
1384 | ||
1385 | if ( toc_section == NULL ) | |
1386 | { | |
1387 | fprintf(stderr, "No Toc section!\n"); | |
1388 | abort(); | |
1389 | } | |
1390 | } | |
1391 | ||
1392 | /* | |
1393 | * Amazing bit tricks present. As we may have seen earlier, we | |
1394 | * use the 1 bit to tell us whether or not a toc offset has been | |
1395 | * allocated. Now that they've all been allocated, we will use | |
1396 | * the 1 bit to tell us if we've written this particular toc | |
1397 | * entry out. | |
1398 | */ | |
1399 | fixit = false; | |
1400 | if (h == 0) | |
1401 | { /* it is a file local symbol */ | |
1402 | int *local_toc_table; | |
1403 | const char *name; | |
1404 | ||
1405 | sym = syms + symndx; | |
1406 | name = sym->_n._n_name; | |
1407 | ||
1408 | local_toc_table = obj_coff_local_toc_table(input_bfd); | |
1409 | our_toc_offset = local_toc_table[symndx]; | |
1410 | ||
59066248 | 1411 | if (IS_WRITTEN(our_toc_offset)) |
d6f41a7d KK |
1412 | { |
1413 | /* if it has been written out, it is marked with the | |
1414 | 1 bit. Fix up our offset, but do not write it out | |
1415 | again. | |
1416 | */ | |
59066248 | 1417 | MAKE_ADDR_AGAIN(our_toc_offset); |
d6f41a7d KK |
1418 | #ifdef TOC_DEBUG |
1419 | ||
1420 | fprintf(stderr, | |
a9713b91 ILT |
1421 | "Not writing out toc_offset of %d for %s\n", |
1422 | our_toc_offset, name); | |
d6f41a7d KK |
1423 | #endif |
1424 | } | |
1425 | else | |
1426 | { | |
1427 | /* write out the toc entry */ | |
a9713b91 | 1428 | record_toc(toc_section, our_toc_offset, priv, strdup(name)); |
d6f41a7d KK |
1429 | #ifdef TOC_DEBUG |
1430 | fprintf(stderr, | |
a9713b91 ILT |
1431 | "Writing out toc_offset " |
1432 | "toc_section (%p,%p)+%d val %d for %s\n", | |
d6f41a7d KK |
1433 | toc_section, |
1434 | toc_section->contents, | |
1435 | our_toc_offset, | |
1436 | val, | |
1437 | name); | |
1438 | #endif | |
1439 | ||
1440 | bfd_put_32(output_bfd, | |
1441 | val, | |
1442 | toc_section->contents + our_toc_offset); | |
1443 | ||
59066248 | 1444 | MARK_AS_WRITTEN(local_toc_table[symndx]); |
d6f41a7d KK |
1445 | fixit = true; |
1446 | } | |
1447 | } | |
1448 | else | |
1449 | { | |
93b6a3f8 | 1450 | const char *name = h->root.root.root.string; |
d6f41a7d | 1451 | our_toc_offset = h->toc_offset; |
93b6a3f8 | 1452 | |
a9713b91 | 1453 | if ((r_flags & IMAGE_REL_PPC_TOCDEFN) |
13d1a4dd KK |
1454 | == IMAGE_REL_PPC_TOCDEFN ) |
1455 | #if 0 | |
1456 | /* This is wrong. If tocdefn is on, we must unconditionally | |
1457 | assume the following path */ | |
59066248 | 1458 | && IS_UNALLOCATED(our_toc_offset)) |
13d1a4dd | 1459 | #endif |
cd2b2402 | 1460 | { |
a9713b91 ILT |
1461 | /* This is unbelievable cheese. Some knowledgable asm |
1462 | hacker has decided to use r2 as a base for loading | |
1463 | a value. He/She does this by setting the tocdefn bit, | |
1464 | and not supplying a toc definition. The behaviour is | |
1465 | then to use the difference between the value of the | |
1466 | symbol and the actual location of the toc as the toc | |
1467 | index. | |
1468 | ||
1469 | In fact, what is usually happening is, because the | |
1470 | Import Address Table is mapped immediately following | |
1471 | the toc, some trippy library code trying for speed on | |
1472 | dll linkage, takes advantage of that and considers | |
1473 | the IAT to be part of the toc, thus saving a load. | |
cd2b2402 | 1474 | */ |
13d1a4dd KK |
1475 | #ifdef DEBUG_RELOC |
1476 | fprintf(stderr, | |
1477 | "TOCDEFN is on, (%s) (%p) our_toc_offset = %x\n", | |
1478 | name, h, our_toc_offset); | |
1479 | #endif | |
1480 | ||
a9713b91 ILT |
1481 | our_toc_offset = val - |
1482 | (toc_section->output_section->vma + | |
1483 | toc_section->output_offset); | |
1484 | ||
13d1a4dd KK |
1485 | #ifdef DEBUG_RELOC |
1486 | fprintf(stderr, | |
1487 | " our_toc_offset set to %x\n", our_toc_offset); | |
1488 | #endif | |
1489 | ||
a9713b91 ILT |
1490 | /* The size must still fit in a 16bit displacment */ |
1491 | if (our_toc_offset >= 65535) | |
1492 | { | |
1493 | fprintf(stderr, | |
f9fa5df3 | 1494 | "TOCDEFN Relocation exceeded displacement of 65535\n"); |
a9713b91 ILT |
1495 | abort(); |
1496 | } | |
1497 | ||
1498 | record_toc(toc_section, our_toc_offset, pub, strdup(name)); | |
cd2b2402 | 1499 | } |
59066248 | 1500 | else if (IS_WRITTEN(our_toc_offset)) |
d6f41a7d KK |
1501 | { |
1502 | /* if it has been written out, it is marked with the | |
1503 | 1 bit. Fix up our offset, but do not write it out | |
1504 | again. | |
1505 | */ | |
59066248 | 1506 | MAKE_ADDR_AGAIN(our_toc_offset); |
d6f41a7d KK |
1507 | #ifdef TOC_DEBUG |
1508 | fprintf(stderr, | |
a9713b91 ILT |
1509 | "Not writing out toc_offset of %d for %s\n", |
1510 | our_toc_offset, name); | |
d6f41a7d KK |
1511 | #endif |
1512 | } | |
1513 | else | |
1514 | { | |
a9713b91 | 1515 | record_toc(toc_section, our_toc_offset, pub, strdup(name)); |
93b6a3f8 | 1516 | |
d6f41a7d KK |
1517 | #ifdef TOC_DEBUG |
1518 | /* write out the toc entry */ | |
1519 | fprintf(stderr, | |
a9713b91 ILT |
1520 | "Writing out toc_offset " |
1521 | "toc_section (%p,%p)+%d val %d for %s\n", | |
d6f41a7d KK |
1522 | toc_section, |
1523 | toc_section->contents, | |
1524 | our_toc_offset, | |
1525 | val, | |
1526 | name); | |
1527 | #endif | |
1528 | ||
1529 | /* write out the toc entry */ | |
1530 | bfd_put_32(output_bfd, | |
1531 | val, | |
1532 | toc_section->contents + our_toc_offset); | |
1533 | ||
59066248 | 1534 | MARK_AS_WRITTEN(h->toc_offset); |
d6f41a7d KK |
1535 | /* The tricky part is that this is the address that */ |
1536 | /* needs a .reloc entry for it */ | |
1537 | fixit = true; | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | if (fixit && info->base_file) | |
1542 | { | |
1543 | /* So if this is non pcrelative, and is referenced | |
1544 | to a section or a common symbol, then it needs a reloc */ | |
1545 | ||
1546 | /* relocation to a symbol in a section which | |
1547 | isn't absolute - we output the address here | |
1548 | to a file */ | |
1549 | ||
1550 | bfd_vma addr = toc_section->output_section->vma | |
1551 | + toc_section->output_offset + our_toc_offset; | |
1552 | ||
d6f41a7d KK |
1553 | if (coff_data(output_bfd)->pe) |
1554 | addr -= pe_data(output_bfd)->pe_opthdr.ImageBase; | |
caa740be | 1555 | |
3920d9c9 | 1556 | #ifdef DEBUG_RELOC |
caa740be KK |
1557 | fprintf(stderr, |
1558 | " Toc Section .reloc candidate addr = %x\n", addr); | |
3920d9c9 | 1559 | #endif |
d6f41a7d KK |
1560 | fwrite (&addr, 1,4, (FILE *) info->base_file); |
1561 | } | |
1562 | ||
1563 | ||
1564 | /* FIXME: this test is conservative */ | |
cd2b2402 KK |
1565 | if ( (r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN && |
1566 | our_toc_offset > toc_section->_raw_size) | |
d6f41a7d KK |
1567 | { |
1568 | fprintf(stderr, | |
1569 | "reloc offset is bigger than the toc size!\n"); | |
1570 | abort(); | |
1571 | } | |
1572 | ||
1573 | /* Now we know the relocation for this toc reference */ | |
1574 | relocation = our_toc_offset + TOC_LOAD_ADJUSTMENT; | |
1575 | rstat = _bfd_relocate_contents (howto, | |
1576 | input_bfd, | |
1577 | relocation, | |
1578 | loc); | |
1579 | } | |
1580 | break; | |
e7aa05bf | 1581 | case IMAGE_REL_PPC_IFGLUE: |
93b6a3f8 KK |
1582 | { |
1583 | /* To solve this, we need to know whether or not the symbol */ | |
1584 | /* appearing on the call instruction is a glue function or not. */ | |
1585 | /* A glue function must announce itself via a IMGLUE reloc, and */ | |
1586 | /* the reloc contains the required toc restore instruction */ | |
1587 | ||
1588 | bfd_vma x; | |
1589 | const char *my_name; | |
1590 | DUMP_RELOC2(howto->name, rel); | |
1591 | ||
1592 | if (h != 0) | |
1593 | { | |
1594 | my_name = h->root.root.root.string; | |
1595 | if (h->symbol_is_glue == 1) | |
1596 | { | |
1597 | x = bfd_get_32(input_bfd, loc); | |
1598 | bfd_put_32(input_bfd, h->glue_insn, loc); | |
1599 | } | |
1600 | } | |
1601 | } | |
d6f41a7d | 1602 | break; |
e7aa05bf | 1603 | case IMAGE_REL_PPC_SECREL: |
d6f41a7d KK |
1604 | /* Unimplemented: codeview debugging information */ |
1605 | /* For fast access to the header of the section | |
1606 | containing the item. */ | |
1607 | break; | |
1608 | case IMAGE_REL_PPC_SECTION: | |
1609 | /* Unimplemented: codeview debugging information */ | |
1610 | /* Is used to indicate that the value should be relative | |
1611 | to the beginning of the section that contains the | |
1612 | symbol */ | |
1613 | break; | |
e7aa05bf | 1614 | case IMAGE_REL_PPC_ABSOLUTE: |
d6f41a7d KK |
1615 | { |
1616 | const char *my_name; | |
1617 | if (h == 0) | |
1618 | my_name = (syms+symndx)->_n._n_name; | |
1619 | else | |
93b6a3f8 KK |
1620 | { |
1621 | my_name = h->root.root.root.string; | |
1622 | } | |
d6f41a7d KK |
1623 | |
1624 | fprintf(stderr, | |
1625 | "Warning: unsupported reloc %s <file %s, section %s>\n", | |
1626 | howto->name, | |
1627 | bfd_get_filename(input_bfd), | |
1628 | input_section->name); | |
1629 | ||
9addd1d4 ILT |
1630 | fprintf(stderr,"sym %ld (%s), r_vaddr %ld (%lx)\n", |
1631 | rel->r_symndx, my_name, (long) rel->r_vaddr, | |
1632 | (unsigned long) rel->r_vaddr); | |
d6f41a7d KK |
1633 | } |
1634 | break; | |
93b6a3f8 KK |
1635 | case IMAGE_REL_PPC_IMGLUE: |
1636 | { | |
1637 | /* There is nothing to do now. This reloc was noted in the first | |
1638 | pass over the relocs, and the glue instruction extracted */ | |
1639 | const char *my_name; | |
1640 | if (h->symbol_is_glue == 1) | |
1641 | break; | |
1642 | my_name = h->root.root.root.string; | |
1643 | fprintf(stderr, | |
1644 | "Warning: previously missed IMGLUE reloc %s <file %s, section %s>\n", | |
1645 | howto->name, | |
1646 | bfd_get_filename(input_bfd), | |
1647 | input_section->name); | |
1648 | break; | |
1649 | ||
1650 | } | |
1651 | break; | |
d6f41a7d KK |
1652 | |
1653 | case IMAGE_REL_PPC_ADDR32NB: | |
1654 | { | |
1655 | struct coff_link_hash_entry *myh = 0; | |
1656 | const char *name = 0; | |
1657 | DUMP_RELOC2(howto->name, rel); | |
13d1a4dd KK |
1658 | |
1659 | if (strncmp(".idata$2",input_section->name,8) == 0 && first_thunk_address == 0) | |
1660 | { | |
1661 | /* set magic values */ | |
1662 | int idata5offset; | |
1663 | struct coff_link_hash_entry *myh = 0; | |
1664 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1665 | "__idata5_magic__", | |
1666 | false, false, true); | |
1667 | first_thunk_address = myh->root.u.def.value + | |
1668 | sec->output_section->vma + | |
1669 | sec->output_offset - | |
1670 | pe_data(output_bfd)->pe_opthdr.ImageBase; | |
1671 | ||
1672 | idata5offset = myh->root.u.def.value; | |
1673 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1674 | "__idata6_magic__", | |
1675 | false, false, true); | |
1676 | ||
1677 | thunk_size = myh->root.u.def.value - idata5offset; | |
1678 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1679 | "__idata4_magic__", | |
1680 | false, false, true); | |
1681 | import_table_size = myh->root.u.def.value; | |
1682 | #ifdef DEBUG_RELOC | |
1683 | fprintf(stderr, | |
1684 | "first computation triggered fta %x, ts %d(%x), its %d(%x)\n", | |
1685 | first_thunk_address, thunk_size, thunk_size, import_table_size, | |
1686 | import_table_size); | |
1687 | #endif | |
1688 | } | |
1689 | ||
d6f41a7d KK |
1690 | if (h == 0) |
1691 | { /* it is a file local symbol */ | |
1692 | sym = syms + symndx; | |
1693 | name = sym->_n._n_name; | |
1694 | } | |
1695 | else | |
1696 | { | |
1697 | char *target = 0; | |
1698 | ||
93b6a3f8 | 1699 | name = h->root.root.root.string; |
d6f41a7d KK |
1700 | if (strcmp(".idata$2", name) == 0) |
1701 | target = "__idata2_magic__"; | |
1702 | else if (strcmp(".idata$4", name) == 0) | |
1703 | target = "__idata4_magic__"; | |
1704 | else if (strcmp(".idata$5", name) == 0) | |
1705 | target = "__idata5_magic__"; | |
d6f41a7d | 1706 | |
59066248 | 1707 | if (target != 0) |
d6f41a7d | 1708 | { |
59066248 | 1709 | myh = 0; |
d6f41a7d | 1710 | |
d6f41a7d | 1711 | myh = coff_link_hash_lookup (coff_hash_table (info), |
59066248 | 1712 | target, |
d6f41a7d | 1713 | false, false, true); |
59066248 KK |
1714 | if (myh == 0) |
1715 | { | |
f9fa5df3 | 1716 | fprintf(stderr, "Missing idata magic cookies, this cannot work anyway...\n"); |
59066248 KK |
1717 | abort(); |
1718 | } | |
1719 | ||
1720 | val = myh->root.u.def.value + | |
1721 | sec->output_section->vma + sec->output_offset; | |
1722 | if (first_thunk_address == 0) | |
1723 | { | |
1724 | int idata5offset; | |
1725 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1726 | "__idata5_magic__", | |
1727 | false, false, true); | |
1728 | first_thunk_address = myh->root.u.def.value + | |
1729 | sec->output_section->vma + | |
1730 | sec->output_offset - | |
1731 | pe_data(output_bfd)->pe_opthdr.ImageBase; | |
1732 | ||
1733 | idata5offset = myh->root.u.def.value; | |
1734 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1735 | "__idata6_magic__", | |
1736 | false, false, true); | |
1737 | ||
1738 | thunk_size = myh->root.u.def.value - idata5offset; | |
1739 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1740 | "__idata4_magic__", | |
1741 | false, false, true); | |
1742 | import_table_size = myh->root.u.def.value; | |
13d1a4dd KK |
1743 | #ifdef DEBUG_RELOC |
1744 | ||
1745 | fprintf(stderr, | |
1746 | "second computation triggered fta %x, ts %d(%x), its %d(%x)\n", | |
1747 | first_thunk_address, thunk_size, thunk_size, import_table_size, | |
1748 | import_table_size); | |
1749 | #endif | |
59066248 | 1750 | } |
d6f41a7d KK |
1751 | } |
1752 | } | |
1753 | ||
1754 | rstat = _bfd_relocate_contents (howto, | |
93b6a3f8 KK |
1755 | input_bfd, |
1756 | val - | |
1757 | pe_data(output_bfd)->pe_opthdr.ImageBase, | |
1758 | loc); | |
d6f41a7d | 1759 | } |
e7aa05bf KK |
1760 | break; |
1761 | ||
e7aa05bf | 1762 | case IMAGE_REL_PPC_REL24: |
cd2b2402 KK |
1763 | DUMP_RELOC2(howto->name, rel); |
1764 | val -= (input_section->output_section->vma | |
1765 | + input_section->output_offset); | |
1766 | ||
1767 | rstat = _bfd_relocate_contents (howto, | |
1768 | input_bfd, | |
1769 | val, | |
1770 | loc); | |
1771 | break; | |
1772 | case IMAGE_REL_PPC_ADDR16: | |
e7aa05bf KK |
1773 | case IMAGE_REL_PPC_ADDR24: |
1774 | case IMAGE_REL_PPC_ADDR32: | |
d6f41a7d KK |
1775 | DUMP_RELOC2(howto->name, rel); |
1776 | rstat = _bfd_relocate_contents (howto, | |
1777 | input_bfd, | |
1778 | val, | |
1779 | loc); | |
e7aa05bf KK |
1780 | break; |
1781 | } | |
1782 | ||
d6f41a7d | 1783 | if ( info->base_file ) |
e7aa05bf | 1784 | { |
d6f41a7d KK |
1785 | /* So if this is non pcrelative, and is referenced |
1786 | to a section or a common symbol, then it needs a reloc */ | |
1787 | if (sym && pe_data(output_bfd)->in_reloc_p(output_bfd, howto)) | |
e7aa05bf | 1788 | { |
d6f41a7d KK |
1789 | /* relocation to a symbol in a section which |
1790 | isn't absolute - we output the address here | |
1791 | to a file */ | |
1792 | bfd_vma addr = rel->r_vaddr | |
1793 | - input_section->vma | |
1794 | + input_section->output_offset | |
1795 | + input_section->output_section->vma; | |
1796 | ||
1797 | if (coff_data(output_bfd)->pe) | |
1798 | { | |
9addd1d4 | 1799 | #ifdef DEBUG_RELOC |
caa740be | 1800 | bfd_vma before_addr = addr; |
9addd1d4 | 1801 | #endif |
d6f41a7d | 1802 | addr -= pe_data(output_bfd)->pe_opthdr.ImageBase; |
3920d9c9 | 1803 | #ifdef DEBUG_RELOC |
d6f41a7d | 1804 | fprintf(stderr, |
caa740be | 1805 | " adjusted down from %x to %x", before_addr, addr); |
3920d9c9 | 1806 | #endif |
d6f41a7d | 1807 | } |
3920d9c9 | 1808 | #ifdef DEBUG_RELOC |
d6f41a7d | 1809 | fprintf(stderr, "\n"); |
3920d9c9 | 1810 | #endif |
d6f41a7d KK |
1811 | |
1812 | fwrite (&addr, 1,4, (FILE *) info->base_file); | |
e7aa05bf | 1813 | } |
d6f41a7d | 1814 | } |
e7aa05bf | 1815 | |
d6f41a7d KK |
1816 | switch (rstat) |
1817 | { | |
1818 | default: | |
1819 | abort (); | |
1820 | case bfd_reloc_ok: | |
1821 | break; | |
1822 | case bfd_reloc_overflow: | |
1823 | { | |
1824 | const char *name; | |
1825 | char buf[SYMNMLEN + 1]; | |
1826 | ||
1827 | if (symndx == -1) | |
1828 | name = "*ABS*"; | |
1829 | else if (h != NULL) | |
93b6a3f8 | 1830 | name = h->root.root.root.string; |
d6f41a7d KK |
1831 | else if (sym == NULL) |
1832 | name = "*unknown*"; | |
1833 | else if (sym->_n._n_n._n_zeroes == 0 | |
1834 | && sym->_n._n_n._n_offset != 0) | |
1835 | name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset; | |
1836 | else | |
1837 | { | |
1838 | strncpy (buf, sym->_n._n_name, SYMNMLEN); | |
1839 | buf[SYMNMLEN] = '\0'; | |
1840 | name = buf; | |
1841 | } | |
1842 | #if 0 | |
1843 | else | |
1844 | { | |
1845 | name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); | |
1846 | if (name == NULL) | |
1847 | return false; | |
1848 | } | |
1849 | #endif | |
1850 | ||
1851 | if (! ((*info->callbacks->reloc_overflow) | |
1852 | (info, name, howto->name, | |
1853 | (bfd_vma) 0, input_bfd, | |
1854 | input_section, rel->r_vaddr - input_section->vma))) | |
13d1a4dd KK |
1855 | { |
1856 | #ifdef DEBUG_RELOC | |
1857 | fprintf(stderr, | |
1858 | "pe_ppc_relocate_section (%s) for %s in bfd %s RETURNING TRUE\n", | |
1859 | TARGET_LITTLE_NAME, | |
1860 | input_section->name, | |
1861 | input_bfd->filename); | |
1862 | ||
1863 | #endif | |
1864 | return false; | |
1865 | } | |
d6f41a7d | 1866 | } |
e7aa05bf | 1867 | } |
d6f41a7d | 1868 | |
e7aa05bf KK |
1869 | } |
1870 | ||
13d1a4dd KK |
1871 | #ifdef DEBUG_RELOC |
1872 | fprintf(stderr, | |
1873 | "pe_ppc_relocate_section (%s) for %s in bfd %s RETURNING TRUE\n", | |
1874 | TARGET_LITTLE_NAME, | |
1875 | input_section->name, | |
1876 | input_bfd->filename); | |
1877 | ||
1878 | #endif | |
1879 | ||
e7aa05bf KK |
1880 | return true; |
1881 | } | |
1882 | ||
13d1a4dd | 1883 | |
d6f41a7d | 1884 | #ifdef COFF_IMAGE_WITH_PE |
e7aa05bf | 1885 | |
13d1a4dd | 1886 | long int global_toc_size = 4; |
e7aa05bf | 1887 | |
d6f41a7d | 1888 | bfd* bfd_of_toc_owner = 0; |
e7aa05bf | 1889 | |
d6f41a7d KK |
1890 | long int import_table_size; |
1891 | long int first_thunk_address; | |
1892 | long int thunk_size; | |
1893 | ||
93b6a3f8 KK |
1894 | struct list_ele *head; |
1895 | struct list_ele *tail; | |
1896 | ||
a9713b91 ILT |
1897 | static char * |
1898 | h1 = "\n\t\t\tTOC MAPPING\n\n"; | |
1899 | static char * | |
1900 | h2 = " TOC disassembly Comments Name\n"; | |
1901 | static char * | |
1902 | h3 = " Offset spelling (if present)\n"; | |
1903 | ||
93b6a3f8 KK |
1904 | void |
1905 | dump_toc(vfile) | |
1906 | void *vfile; | |
1907 | { | |
1908 | FILE *file = vfile; | |
1909 | struct list_ele *t; | |
1910 | ||
a9713b91 ILT |
1911 | fprintf(file, h1); |
1912 | fprintf(file, h2); | |
1913 | fprintf(file, h3); | |
93b6a3f8 KK |
1914 | |
1915 | for(t = head; t != 0; t=t->next) | |
1916 | { | |
a9713b91 ILT |
1917 | char *cat; |
1918 | ||
1919 | if (t->cat == priv) | |
1920 | cat = "private "; | |
1921 | else if (t->cat == pub) | |
1922 | cat = "public "; | |
1923 | else if (t->cat == data) | |
1924 | cat = "data-in-toc "; | |
1925 | ||
1926 | if (t->offset > global_toc_size) | |
1927 | { | |
1928 | if (t->offset <= global_toc_size + thunk_size) | |
1929 | cat = "IAT reference "; | |
1930 | else | |
13d1a4dd KK |
1931 | { |
1932 | fprintf(file, | |
9addd1d4 | 1933 | "**** global_toc_size %ld(%lx), thunk_size %ld(%lx)\n", |
13d1a4dd KK |
1934 | global_toc_size, global_toc_size, thunk_size, thunk_size); |
1935 | cat = "Out of bounds!"; | |
1936 | } | |
a9713b91 ILT |
1937 | } |
1938 | ||
93b6a3f8 | 1939 | fprintf(file, |
9addd1d4 | 1940 | " %04lx (%d)", (unsigned long) t->offset, t->offset - 32768); |
a9713b91 ILT |
1941 | fprintf(file, |
1942 | " %s %s\n", | |
1943 | cat, t->name); | |
1944 | ||
93b6a3f8 | 1945 | } |
a9713b91 ILT |
1946 | |
1947 | fprintf(file, "\n"); | |
93b6a3f8 | 1948 | } |
d6f41a7d KK |
1949 | |
1950 | boolean | |
1951 | ppc_allocate_toc_section (info) | |
1952 | struct bfd_link_info *info; | |
1953 | { | |
1954 | asection *s; | |
1955 | bfd_byte *foo; | |
1956 | static char test_char = '1'; | |
1957 | ||
d6f41a7d KK |
1958 | if ( global_toc_size == 0 ) /* FIXME: does this get me in trouble? */ |
1959 | return true; | |
1960 | ||
1961 | if (bfd_of_toc_owner == 0) | |
1962 | { | |
1963 | fprintf(stderr, | |
1964 | "There is no bfd that owns the toc section!\n"); | |
1965 | abort(); | |
1966 | } | |
1967 | ||
1968 | s = bfd_get_section_by_name ( bfd_of_toc_owner , TOC_SECTION_NAME); | |
1969 | if (s == NULL) | |
1970 | { | |
1971 | fprintf(stderr, "No Toc section!\n"); | |
1972 | abort(); | |
1973 | } | |
1974 | ||
f9fa5df3 | 1975 | foo = (bfd_byte *) bfd_alloc(bfd_of_toc_owner, global_toc_size); |
d6f41a7d KK |
1976 | memset(foo, test_char, global_toc_size); |
1977 | ||
1978 | s->_raw_size = s->_cooked_size = global_toc_size; | |
1979 | s->contents = foo; | |
1980 | ||
1981 | return true; | |
e7aa05bf KK |
1982 | } |
1983 | ||
d6f41a7d KK |
1984 | boolean |
1985 | ppc_process_before_allocation (abfd, info) | |
1986 | bfd *abfd; | |
1987 | struct bfd_link_info *info; | |
1988 | { | |
1989 | asection *sec; | |
1990 | struct internal_reloc *i, *rel; | |
1991 | ||
59066248 | 1992 | #ifdef DEBUG_RELOC |
d6f41a7d KK |
1993 | fprintf(stderr, |
1994 | "ppc_process_before_allocation: BFD %s\n", | |
1995 | bfd_get_filename(abfd)); | |
1996 | #endif | |
1997 | ||
1998 | /* here we have a bfd that is to be included on the link. We have a hook | |
1999 | to do reloc rummaging, before section sizes are nailed down. */ | |
2000 | ||
2001 | _bfd_coff_get_external_symbols(abfd); | |
2002 | ||
2003 | /* rummage around all the relocs and map the toc */ | |
2004 | sec = abfd->sections; | |
2005 | ||
2006 | if (sec == 0) | |
2007 | { | |
2008 | return true; | |
2009 | } | |
2010 | ||
2011 | for (; sec != 0; sec = sec->next) | |
2012 | { | |
2013 | int toc_offset; | |
a9713b91 | 2014 | |
d6f41a7d KK |
2015 | #ifdef DEBUG_RELOC |
2016 | fprintf(stderr, | |
2017 | " section %s reloc count %d\n", | |
2018 | sec->name, | |
2019 | sec->reloc_count); | |
2020 | #endif | |
2021 | ||
2022 | if (sec->reloc_count == 0) | |
2023 | continue; | |
2024 | ||
2025 | /* load the relocs */ | |
2026 | /* FIXME: there may be a storage leak here */ | |
2027 | i=_bfd_coff_read_internal_relocs(abfd,sec,1,0,0,0); | |
2028 | ||
2029 | if (i == 0) | |
2030 | abort(); | |
2031 | ||
2032 | for (rel=i;rel<i+sec->reloc_count;++rel) | |
2033 | { | |
2034 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); | |
2035 | unsigned short r_flags = EXTRACT_FLAGS(rel->r_type); | |
d6f41a7d KK |
2036 | |
2037 | #ifdef DEBUG_RELOC | |
93b6a3f8 KK |
2038 | /* now examine flags */ |
2039 | if (r_flags != 0) | |
2040 | { | |
2041 | fprintf (stderr, "Reloc with flags found!"); | |
2042 | if ( r_flags & IMAGE_REL_PPC_NEG ) | |
2043 | fprintf (stderr, " NEG"); | |
2044 | if ( r_flags & IMAGE_REL_PPC_BRTAKEN ) | |
2045 | fprintf (stderr, " BRTAKEN"); | |
2046 | if ( r_flags & IMAGE_REL_PPC_BRNTAKEN ) | |
2047 | fprintf (stderr, " BRNTAKEN"); | |
2048 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) | |
2049 | fprintf (stderr, " TOCDEFN"); | |
2050 | fprintf(stderr, "\n"); | |
2051 | } | |
d6f41a7d KK |
2052 | #endif |
2053 | ||
2054 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
2055 | ||
2056 | switch(r_type) | |
2057 | { | |
2058 | case IMAGE_REL_PPC_TOCREL16: | |
a9713b91 ILT |
2059 | #if 0 |
2060 | /* FIXME: | |
2061 | This remains unimplemented for now, as it currently adds | |
2062 | un-necessary elements to the toc. All we need to do today | |
2063 | is not do anything if TOCDEFN is on. | |
2064 | */ | |
cd2b2402 KK |
2065 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) |
2066 | toc_offset = ppc_record_data_in_toc_entry(abfd, info, sec, | |
2067 | rel->r_symndx, | |
2068 | default_toc); | |
2069 | else | |
2070 | toc_offset = ppc_record_toc_entry(abfd, info, sec, | |
2071 | rel->r_symndx, default_toc); | |
a9713b91 ILT |
2072 | #endif |
2073 | if ( (r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN ) | |
2074 | toc_offset = ppc_record_toc_entry(abfd, info, sec, | |
2075 | rel->r_symndx, default_toc); | |
d6f41a7d | 2076 | break; |
93b6a3f8 KK |
2077 | case IMAGE_REL_PPC_IMGLUE: |
2078 | ppc_mark_symbol_as_glue(abfd, rel->r_symndx, rel); | |
2079 | break; | |
d6f41a7d KK |
2080 | default: |
2081 | break; | |
2082 | } | |
2083 | } | |
2084 | } | |
9addd1d4 ILT |
2085 | |
2086 | return true; | |
e7aa05bf KK |
2087 | } |
2088 | ||
e7aa05bf KK |
2089 | #endif |
2090 | ||
2091 | ||
2092 | static bfd_reloc_status_type | |
2093 | ppc_refhi_reloc (abfd, | |
2094 | reloc_entry, | |
2095 | symbol, | |
2096 | data, | |
2097 | input_section, | |
2098 | output_bfd, | |
2099 | error_message) | |
2100 | bfd *abfd; | |
2101 | arelent *reloc_entry; | |
2102 | asymbol *symbol; | |
2103 | PTR data; | |
2104 | asection *input_section; | |
2105 | bfd *output_bfd; | |
2106 | char **error_message; | |
2107 | { | |
2108 | UN_IMPL("REFHI"); | |
2109 | DUMP_RELOC("REFHI",reloc_entry); | |
2110 | ||
2111 | if (output_bfd == (bfd *) NULL) | |
2112 | return bfd_reloc_continue; | |
2113 | ||
2114 | return bfd_reloc_undefined; | |
2115 | } | |
2116 | ||
9addd1d4 ILT |
2117 | #if 0 |
2118 | ||
e7aa05bf KK |
2119 | static bfd_reloc_status_type |
2120 | ppc_reflo_reloc (abfd, | |
2121 | reloc_entry, | |
2122 | symbol, | |
2123 | data, | |
2124 | input_section, | |
2125 | output_bfd, | |
2126 | error_message) | |
2127 | bfd *abfd; | |
2128 | arelent *reloc_entry; | |
2129 | asymbol *symbol; | |
2130 | PTR data; | |
2131 | asection *input_section; | |
2132 | bfd *output_bfd; | |
2133 | char **error_message; | |
2134 | { | |
2135 | UN_IMPL("REFLO"); | |
2136 | DUMP_RELOC("REFLO",reloc_entry); | |
2137 | ||
2138 | if (output_bfd == (bfd *) NULL) | |
2139 | return bfd_reloc_continue; | |
2140 | ||
2141 | return bfd_reloc_undefined; | |
2142 | } | |
2143 | ||
9addd1d4 ILT |
2144 | #endif |
2145 | ||
e7aa05bf KK |
2146 | static bfd_reloc_status_type |
2147 | ppc_pair_reloc (abfd, | |
2148 | reloc_entry, | |
2149 | symbol, | |
2150 | data, | |
2151 | input_section, | |
2152 | output_bfd, | |
2153 | error_message) | |
2154 | bfd *abfd; | |
2155 | arelent *reloc_entry; | |
2156 | asymbol *symbol; | |
2157 | PTR data; | |
2158 | asection *input_section; | |
2159 | bfd *output_bfd; | |
2160 | char **error_message; | |
2161 | { | |
2162 | UN_IMPL("PAIR"); | |
2163 | DUMP_RELOC("PAIR",reloc_entry); | |
2164 | ||
2165 | if (output_bfd == (bfd *) NULL) | |
2166 | return bfd_reloc_continue; | |
2167 | ||
2168 | return bfd_reloc_undefined; | |
2169 | } | |
2170 | ||
2171 | \f | |
2172 | static bfd_reloc_status_type | |
2173 | ppc_toc16_reloc (abfd, | |
2174 | reloc_entry, | |
2175 | symbol, | |
2176 | data, | |
2177 | input_section, | |
2178 | output_bfd, | |
2179 | error_message) | |
2180 | bfd *abfd; | |
2181 | arelent *reloc_entry; | |
2182 | asymbol *symbol; | |
2183 | PTR data; | |
2184 | asection *input_section; | |
2185 | bfd *output_bfd; | |
2186 | char **error_message; | |
2187 | { | |
2188 | UN_IMPL("TOCREL16"); | |
2189 | DUMP_RELOC("TOCREL16",reloc_entry); | |
2190 | ||
2191 | if (output_bfd == (bfd *) NULL) | |
2192 | { | |
2193 | return bfd_reloc_continue; | |
2194 | } | |
2195 | ||
2196 | return bfd_reloc_ok; | |
2197 | } | |
2198 | ||
9addd1d4 ILT |
2199 | #if 0 |
2200 | ||
e7aa05bf KK |
2201 | /* ADDR32NB : 32 bit address relative to the virtual origin. */ |
2202 | /* (On the alpha, this is always a linker generated thunk)*/ | |
2203 | /* (i.e. 32bit addr relative to the image base) */ | |
2204 | /* */ | |
2205 | /* */ | |
2206 | ||
2207 | static bfd_reloc_status_type | |
2208 | ppc_addr32nb_reloc (abfd, | |
2209 | reloc_entry, | |
2210 | symbol, | |
2211 | data, | |
2212 | input_section, | |
2213 | output_bfd, | |
2214 | error_message) | |
2215 | bfd *abfd; | |
2216 | arelent *reloc_entry; | |
2217 | asymbol *symbol; | |
2218 | PTR data; | |
2219 | asection *input_section; | |
2220 | bfd *output_bfd; | |
2221 | char **error_message; | |
2222 | { | |
2223 | UN_IMPL("ADDR32NB"); | |
2224 | DUMP_RELOC("ADDR32NB",reloc_entry); | |
2225 | ||
2226 | return bfd_reloc_ok; | |
2227 | } | |
2228 | ||
9addd1d4 ILT |
2229 | #endif |
2230 | ||
e7aa05bf KK |
2231 | static bfd_reloc_status_type |
2232 | ppc_secrel_reloc (abfd, | |
2233 | reloc_entry, | |
2234 | symbol, | |
2235 | data, | |
2236 | input_section, | |
2237 | output_bfd, | |
2238 | error_message) | |
2239 | bfd *abfd; | |
2240 | arelent *reloc_entry; | |
2241 | asymbol *symbol; | |
2242 | PTR data; | |
2243 | asection *input_section; | |
2244 | bfd *output_bfd; | |
2245 | char **error_message; | |
2246 | { | |
2247 | UN_IMPL("SECREL"); | |
2248 | DUMP_RELOC("SECREL",reloc_entry); | |
2249 | ||
2250 | if (output_bfd == (bfd *) NULL) | |
2251 | return bfd_reloc_continue; | |
2252 | ||
2253 | return bfd_reloc_ok; | |
2254 | } | |
2255 | ||
2256 | static bfd_reloc_status_type | |
2257 | ppc_section_reloc (abfd, | |
2258 | reloc_entry, | |
2259 | symbol, | |
2260 | data, | |
2261 | input_section, | |
2262 | output_bfd, | |
2263 | error_message) | |
2264 | bfd *abfd; | |
2265 | arelent *reloc_entry; | |
2266 | asymbol *symbol; | |
2267 | PTR data; | |
2268 | asection *input_section; | |
2269 | bfd *output_bfd; | |
2270 | char **error_message; | |
2271 | { | |
2272 | UN_IMPL("SECTION"); | |
2273 | DUMP_RELOC("SECTION",reloc_entry); | |
2274 | ||
2275 | if (output_bfd == (bfd *) NULL) | |
2276 | return bfd_reloc_continue; | |
2277 | ||
2278 | return bfd_reloc_ok; | |
2279 | } | |
2280 | ||
2281 | static bfd_reloc_status_type | |
2282 | ppc_imglue_reloc (abfd, | |
2283 | reloc_entry, | |
2284 | symbol, | |
2285 | data, | |
2286 | input_section, | |
2287 | output_bfd, | |
2288 | error_message) | |
2289 | bfd *abfd; | |
2290 | arelent *reloc_entry; | |
2291 | asymbol *symbol; | |
2292 | PTR data; | |
2293 | asection *input_section; | |
2294 | bfd *output_bfd; | |
2295 | char **error_message; | |
2296 | { | |
2297 | UN_IMPL("IMGLUE"); | |
2298 | DUMP_RELOC("IMGLUE",reloc_entry); | |
2299 | ||
2300 | if (output_bfd == (bfd *) NULL) | |
2301 | return bfd_reloc_continue; | |
2302 | ||
2303 | return bfd_reloc_ok; | |
2304 | } | |
2305 | ||
2306 | \f | |
2307 | ||
2308 | #define MAX_RELOC_INDEX \ | |
2309 | (sizeof(ppc_coff_howto_table) / sizeof(ppc_coff_howto_table[0]) - 1) | |
2310 | ||
2311 | ||
2312 | /* FIXME: There is a possiblity that when we read in a reloc from a file, | |
2313 | that there are some bits encoded in the upper portion of the | |
2314 | type field. Not yet implemented. | |
2315 | */ | |
2316 | static void ppc_coff_rtype2howto PARAMS ((arelent *relent, | |
2317 | struct internal_reloc *internal)); | |
2318 | ||
2319 | static void | |
2320 | ppc_coff_rtype2howto (relent, internal) | |
2321 | arelent *relent; | |
2322 | struct internal_reloc *internal; | |
2323 | { | |
2324 | ||
2325 | /* We can encode one of three things in the type field, aside from the | |
2326 | type: | |
2327 | 1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction | |
2328 | value, rather than an addition value | |
2329 | 2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that | |
2330 | the branch is expected to be taken or not. | |
2331 | 3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file | |
2332 | For now, we just strip this stuff to find the type, and ignore it other | |
2333 | than that. | |
2334 | */ | |
59066248 | 2335 | reloc_howto_type *howto; |
e7aa05bf KK |
2336 | unsigned short r_type = EXTRACT_TYPE (internal->r_type); |
2337 | unsigned short r_flags = EXTRACT_FLAGS(internal->r_type); | |
2338 | unsigned short junk = EXTRACT_JUNK (internal->r_type); | |
2339 | ||
2340 | /* the masking process only slices off the bottom byte for r_type. */ | |
2341 | if ( r_type > MAX_RELOC_INDEX ) | |
2342 | { | |
2343 | fprintf(stderr, | |
9addd1d4 ILT |
2344 | "ppc_coff_rtype2howto: reloc index %d out of range [%d, %ld]\n", |
2345 | internal->r_type, 0, (long) MAX_RELOC_INDEX); | |
e7aa05bf KK |
2346 | abort(); |
2347 | } | |
2348 | ||
2349 | /* check for absolute crap */ | |
2350 | if ( junk != 0 ) | |
2351 | { | |
2352 | fprintf(stderr, | |
2353 | "ppc_coff_rtype2howto: reloc index %d contains junk %d\n", | |
2354 | internal->r_type, junk); | |
2355 | abort(); | |
2356 | } | |
2357 | ||
2358 | #ifdef DEBUG_RELOC | |
2359 | /* now examine flags */ | |
2360 | if (r_flags != 0) | |
2361 | { | |
2362 | fprintf (stderr, "Reloc with flags found!"); | |
2363 | if ( r_flags & IMAGE_REL_PPC_NEG ) | |
2364 | fprintf (stderr, " NEG"); | |
2365 | if ( r_flags & IMAGE_REL_PPC_BRTAKEN ) | |
2366 | fprintf (stderr, " BRTAKEN"); | |
2367 | if ( r_flags & IMAGE_REL_PPC_BRNTAKEN ) | |
2368 | fprintf (stderr, " BRNTAKEN"); | |
2369 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) | |
2370 | fprintf (stderr, " TOCDEFN"); | |
2371 | fprintf(stderr, "\n"); | |
2372 | } | |
2373 | #endif | |
2374 | ||
2375 | switch(r_type) | |
2376 | { | |
2377 | case IMAGE_REL_PPC_ADDR16: | |
2378 | case IMAGE_REL_PPC_REL24: | |
2379 | case IMAGE_REL_PPC_ADDR24: | |
e7aa05bf KK |
2380 | case IMAGE_REL_PPC_ADDR32: |
2381 | case IMAGE_REL_PPC_IFGLUE: | |
2382 | case IMAGE_REL_PPC_ADDR32NB: | |
2383 | case IMAGE_REL_PPC_SECTION: | |
2384 | case IMAGE_REL_PPC_SECREL: | |
2385 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal); | |
59066248 | 2386 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2387 | break; |
2388 | case IMAGE_REL_PPC_IMGLUE: | |
2389 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal); | |
59066248 KK |
2390 | howto = ppc_coff_howto_table + r_type; |
2391 | break; | |
2392 | case IMAGE_REL_PPC_TOCREL16: | |
2393 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal); | |
2394 | if (r_flags & IMAGE_REL_PPC_TOCDEFN) | |
2395 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN; | |
2396 | else | |
2397 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16; | |
e7aa05bf KK |
2398 | break; |
2399 | default: | |
2400 | fprintf(stderr, | |
2401 | "Warning: Unsupported reloc %s [%d] used -- it may not work.\n", | |
2402 | ppc_coff_howto_table[r_type].name, | |
2403 | r_type); | |
59066248 | 2404 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2405 | break; |
2406 | } | |
d6f41a7d | 2407 | |
59066248 | 2408 | relent->howto = howto; |
d6f41a7d | 2409 | |
e7aa05bf KK |
2410 | } |
2411 | ||
2412 | static reloc_howto_type * | |
2413 | coff_ppc_rtype_to_howto (abfd, sec, rel, h, sym, addendp) | |
2414 | bfd *abfd; | |
2415 | asection *sec; | |
2416 | struct internal_reloc *rel; | |
2417 | struct coff_link_hash_entry *h; | |
2418 | struct internal_syment *sym; | |
2419 | bfd_vma *addendp; | |
2420 | { | |
2421 | reloc_howto_type *howto; | |
2422 | ||
2423 | /* We can encode one of three things in the type field, aside from the | |
2424 | type: | |
2425 | 1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction | |
2426 | value, rather than an addition value | |
2427 | 2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that | |
2428 | the branch is expected to be taken or not. | |
2429 | 3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file | |
2430 | For now, we just strip this stuff to find the type, and ignore it other | |
2431 | than that. | |
2432 | */ | |
2433 | ||
2434 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); | |
2435 | unsigned short r_flags = EXTRACT_FLAGS(rel->r_type); | |
2436 | unsigned short junk = EXTRACT_JUNK (rel->r_type); | |
2437 | ||
2438 | /* the masking process only slices off the bottom byte for r_type. */ | |
2439 | if ( r_type > MAX_RELOC_INDEX ) | |
2440 | { | |
2441 | fprintf(stderr, | |
9addd1d4 ILT |
2442 | "coff_ppc_rtype_to_howto: index %d out of range [%d, %ld]\n", |
2443 | r_type, 0, (long) MAX_RELOC_INDEX); | |
e7aa05bf KK |
2444 | abort(); |
2445 | } | |
d6f41a7d | 2446 | |
e7aa05bf KK |
2447 | /* check for absolute crap */ |
2448 | if ( junk != 0 ) | |
2449 | { | |
2450 | fprintf(stderr, | |
2451 | "coff_ppc_rtype_to_howto: reloc index %d contains junk %d\n", | |
2452 | rel->r_type, junk); | |
2453 | abort(); | |
2454 | } | |
d6f41a7d | 2455 | |
e7aa05bf KK |
2456 | #ifdef DEBUG_RELOC |
2457 | /* now examine flags */ | |
2458 | if (r_flags != 0) | |
2459 | { | |
2460 | fprintf (stderr, "Reloc with flags found!"); | |
2461 | if ( r_flags & IMAGE_REL_PPC_NEG ) | |
2462 | fprintf (stderr, " NEG"); | |
2463 | if ( r_flags & IMAGE_REL_PPC_BRTAKEN ) | |
2464 | fprintf (stderr, " BRTAKEN"); | |
2465 | if ( r_flags & IMAGE_REL_PPC_BRNTAKEN ) | |
2466 | fprintf (stderr, " BRNTAKEN"); | |
2467 | if ( r_flags & IMAGE_REL_PPC_TOCDEFN ) | |
2468 | fprintf (stderr, " TOCDEFN"); | |
2469 | fprintf(stderr, "\n"); | |
2470 | } | |
2471 | #endif | |
d6f41a7d | 2472 | |
e7aa05bf KK |
2473 | switch(r_type) |
2474 | { | |
2475 | case IMAGE_REL_PPC_ADDR32NB: | |
2476 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
2477 | *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase; | |
59066248 KK |
2478 | howto = ppc_coff_howto_table + r_type; |
2479 | break; | |
2480 | case IMAGE_REL_PPC_TOCREL16: | |
2481 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
2482 | if (r_flags & IMAGE_REL_PPC_TOCDEFN) | |
2483 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN; | |
2484 | else | |
2485 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16; | |
e7aa05bf KK |
2486 | break; |
2487 | case IMAGE_REL_PPC_ADDR16: | |
2488 | case IMAGE_REL_PPC_REL24: | |
2489 | case IMAGE_REL_PPC_ADDR24: | |
e7aa05bf KK |
2490 | case IMAGE_REL_PPC_ADDR32: |
2491 | case IMAGE_REL_PPC_IFGLUE: | |
2492 | case IMAGE_REL_PPC_SECTION: | |
2493 | case IMAGE_REL_PPC_SECREL: | |
2494 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
59066248 | 2495 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2496 | break; |
2497 | case IMAGE_REL_PPC_IMGLUE: | |
2498 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
59066248 | 2499 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2500 | break; |
2501 | default: | |
2502 | fprintf(stderr, | |
2503 | "Warning: Unsupported reloc %s [%d] used -- it may not work.\n", | |
2504 | ppc_coff_howto_table[r_type].name, | |
2505 | r_type); | |
59066248 | 2506 | howto = ppc_coff_howto_table + r_type; |
e7aa05bf KK |
2507 | break; |
2508 | } | |
d6f41a7d | 2509 | |
e7aa05bf KK |
2510 | return howto; |
2511 | } | |
2512 | ||
2513 | ||
2514 | /* a cheesy little macro to make the code a little more readable */ | |
2515 | #define HOW2MAP(bfd_rtype,ppc_rtype) \ | |
d6f41a7d | 2516 | case bfd_rtype: return &ppc_coff_howto_table[ppc_rtype] |
e7aa05bf KK |
2517 | |
2518 | static reloc_howto_type *ppc_coff_reloc_type_lookup | |
d6f41a7d | 2519 | PARAMS ((bfd *, bfd_reloc_code_real_type)); |
e7aa05bf KK |
2520 | |
2521 | static reloc_howto_type * | |
2522 | ppc_coff_reloc_type_lookup (abfd, code) | |
2523 | bfd *abfd; | |
2524 | bfd_reloc_code_real_type code; | |
2525 | { | |
d6f41a7d | 2526 | |
e7aa05bf KK |
2527 | #ifdef DEBUG_RELOC |
2528 | fprintf(stderr, "ppc_coff_reloc_type_lookup for %s\n", | |
d6f41a7d | 2529 | bfd_get_reloc_code_name(code)); |
e7aa05bf | 2530 | #endif |
59066248 | 2531 | |
e7aa05bf KK |
2532 | switch (code) |
2533 | { | |
59066248 | 2534 | HOW2MAP(BFD_RELOC_32_GOTOFF, IMAGE_REL_PPC_IMGLUE); |
e7aa05bf KK |
2535 | HOW2MAP(BFD_RELOC_16_GOT_PCREL, IMAGE_REL_PPC_IFGLUE); |
2536 | HOW2MAP(BFD_RELOC_16, IMAGE_REL_PPC_ADDR16); | |
2537 | HOW2MAP(BFD_RELOC_PPC_B26, IMAGE_REL_PPC_REL24); | |
2538 | HOW2MAP(BFD_RELOC_PPC_BA26, IMAGE_REL_PPC_ADDR24); | |
2539 | HOW2MAP(BFD_RELOC_PPC_TOC16, IMAGE_REL_PPC_TOCREL16); | |
59066248 | 2540 | HOW2MAP(BFD_RELOC_16_GOTOFF, IMAGE_REL_PPC_TOCREL16_DEFN); |
e7aa05bf | 2541 | HOW2MAP(BFD_RELOC_32, IMAGE_REL_PPC_ADDR32); |
d6f41a7d KK |
2542 | HOW2MAP(BFD_RELOC_RVA, IMAGE_REL_PPC_ADDR32NB); |
2543 | default: | |
d6f41a7d | 2544 | return NULL; |
e7aa05bf | 2545 | } |
f9fa5df3 | 2546 | /*NOTREACHED*/ |
e7aa05bf KK |
2547 | } |
2548 | ||
2549 | #undef HOW2MAP | |
2550 | ||
2551 | \f | |
2552 | /* Tailor coffcode.h -- macro heaven. */ | |
2553 | ||
2554 | #define RTYPE2HOWTO(cache_ptr, dst) ppc_coff_rtype2howto (cache_ptr, dst) | |
2555 | ||
d6f41a7d KK |
2556 | #ifndef COFF_IMAGE_WITH_PE |
2557 | static void | |
2558 | ppc_coff_swap_sym_in_hook (); | |
2559 | #endif | |
2560 | ||
2561 | /* We use the special COFF backend linker, with our own special touch. */ | |
2562 | ||
e7aa05bf KK |
2563 | #define coff_bfd_reloc_type_lookup ppc_coff_reloc_type_lookup |
2564 | #define coff_rtype_to_howto coff_ppc_rtype_to_howto | |
2565 | #define coff_relocate_section coff_ppc_relocate_section | |
13d1a4dd | 2566 | #define coff_bfd_final_link ppc_bfd_coff_final_link |
e7aa05bf | 2567 | |
d6f41a7d KK |
2568 | #ifndef COFF_IMAGE_WITH_PE |
2569 | #define coff_swap_sym_in_hook ppc_coff_swap_sym_in_hook | |
2570 | #endif | |
2571 | ||
e7aa05bf KK |
2572 | #define SELECT_RELOC(internal, howto) {internal.r_type=howto->type;} |
2573 | ||
2574 | #define COFF_PAGE_SIZE 0x1000 | |
2575 | ||
d6f41a7d KK |
2576 | #define POWERPC_LE_PE |
2577 | ||
e7aa05bf KK |
2578 | #include "coffcode.h" |
2579 | ||
d6f41a7d KK |
2580 | \f |
2581 | ||
2582 | #ifndef COFF_IMAGE_WITH_PE | |
a9713b91 ILT |
2583 | /* FIXME: |
2584 | What we're trying to do here is allocate a toc section (early), and attach | |
2585 | it to the last bfd to be processed. This avoids the problem of having a toc | |
2586 | written out before all files have been processed. This code allocates | |
2587 | a toc section for every file, and records the last one seen. There are | |
2588 | at least two problems with this approach: | |
2589 | 1. We allocate whole bunches of toc sections that are ignored, but at | |
2590 | at least we will not allocate a toc if no .toc is present. | |
2591 | 2. It's not clear to me that being the last bfd read necessarily means | |
2592 | that you are the last bfd closed. | |
2593 | 3. Doing it on a "swap in" hook depends on when the "swap in" is called, | |
2594 | and how often, etc. It's not clear to me that there isn't a hole here. | |
2595 | */ | |
2596 | ||
d6f41a7d KK |
2597 | static void |
2598 | ppc_coff_swap_sym_in_hook (abfd, ext1, in1) | |
2599 | bfd *abfd; | |
2600 | PTR ext1; | |
2601 | PTR in1; | |
2602 | { | |
d6f41a7d KK |
2603 | struct internal_syment *in = (struct internal_syment *)in1; |
2604 | ||
d6f41a7d KK |
2605 | if (bfd_of_toc_owner != 0) /* we already have a toc, so go home */ |
2606 | return; | |
d6f41a7d KK |
2607 | |
2608 | if (strcmp(in->_n._n_name, ".toc") == 0) | |
2609 | { | |
2610 | flagword flags; | |
2611 | register asection *s; | |
d6f41a7d KK |
2612 | |
2613 | s = bfd_get_section_by_name ( abfd , TOC_SECTION_NAME); | |
2614 | if (s != NULL) | |
2615 | { | |
2616 | return; | |
2617 | } | |
2618 | ||
2619 | flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY ; | |
2620 | ||
2621 | #ifdef TOC_DEBUG | |
2622 | fprintf(stderr, | |
2623 | "ppc_coff_swap_sym_in_hook: about to create the %s section\n", | |
2624 | TOC_SECTION_NAME); | |
2625 | #endif | |
2626 | ||
2627 | s = bfd_make_section (abfd, TOC_SECTION_NAME); | |
2628 | ||
2629 | if (s == NULL | |
2630 | || !bfd_set_section_flags (abfd, s, flags) | |
2631 | || !bfd_set_section_alignment (abfd, s, 2)) | |
2632 | { | |
2633 | fprintf(stderr, | |
2634 | "toc section allocation failed!\n"); | |
2635 | abort(); | |
2636 | } | |
2637 | ||
2638 | /* save the bfd for later allocation */ | |
2639 | bfd_of_toc_owner = abfd; | |
2640 | } | |
2641 | ||
2642 | return; | |
2643 | } | |
2644 | #endif | |
2645 | ||
13d1a4dd KK |
2646 | boolean |
2647 | ppc_bfd_coff_final_link (); | |
2648 | ||
2649 | #ifndef COFF_IMAGE_WITH_PE | |
2650 | ||
2651 | static boolean | |
2652 | ppc_do_last(abfd) | |
2653 | bfd *abfd; | |
2654 | { | |
2655 | if (abfd == bfd_of_toc_owner) | |
2656 | return true; | |
2657 | else | |
2658 | return false; | |
2659 | } | |
2660 | ||
2661 | static bfd * | |
2662 | ppc_get_last() | |
2663 | { | |
2664 | return bfd_of_toc_owner; | |
2665 | } | |
2666 | ||
2667 | /* this piece of machinery exists only to guarantee that the bfd that holds | |
2668 | the toc section is written last. | |
2669 | ||
2670 | This does depend on bfd_make_section attaching a new section to the | |
2671 | end of the section list for the bfd. | |
2672 | ||
2673 | This is otherwise intended to be functionally the same as | |
2674 | cofflink.c:_bfd_coff_final_link(). It is specifically different only | |
2675 | where the POWERPC_LE_PE macro modifies the code. It is left in as a | |
2676 | precise form of comment. krk@cygnus.com | |
2677 | */ | |
2678 | #define POWERPC_LE_PE | |
2679 | ||
2680 | ||
2681 | /* Do the final link step. */ | |
2682 | ||
2683 | boolean | |
2684 | ppc_bfd_coff_final_link (abfd, info) | |
2685 | bfd *abfd; | |
2686 | struct bfd_link_info *info; | |
2687 | { | |
2688 | bfd_size_type symesz; | |
2689 | struct coff_final_link_info finfo; | |
2690 | boolean debug_merge_allocated; | |
2691 | asection *o; | |
2692 | struct bfd_link_order *p; | |
2693 | size_t max_sym_count; | |
2694 | size_t max_lineno_count; | |
2695 | size_t max_reloc_count; | |
2696 | size_t max_output_reloc_count; | |
2697 | size_t max_contents_size; | |
2698 | file_ptr rel_filepos; | |
2699 | unsigned int relsz; | |
2700 | file_ptr line_filepos; | |
2701 | unsigned int linesz; | |
2702 | bfd *sub; | |
2703 | bfd_byte *external_relocs = NULL; | |
2704 | char strbuf[STRING_SIZE_SIZE]; | |
2705 | ||
2706 | symesz = bfd_coff_symesz (abfd); | |
2707 | ||
2708 | finfo.info = info; | |
2709 | finfo.output_bfd = abfd; | |
2710 | finfo.strtab = NULL; | |
2711 | finfo.section_info = NULL; | |
2712 | finfo.last_file_index = -1; | |
d6e0e2f7 | 2713 | finfo.last_bf_index = -1; |
13d1a4dd KK |
2714 | finfo.internal_syms = NULL; |
2715 | finfo.sec_ptrs = NULL; | |
2716 | finfo.sym_indices = NULL; | |
2717 | finfo.outsyms = NULL; | |
2718 | finfo.linenos = NULL; | |
2719 | finfo.contents = NULL; | |
2720 | finfo.external_relocs = NULL; | |
2721 | finfo.internal_relocs = NULL; | |
2722 | debug_merge_allocated = false; | |
2723 | ||
2724 | coff_data (abfd)->link_info = info; | |
2725 | ||
2726 | finfo.strtab = _bfd_stringtab_init (); | |
2727 | if (finfo.strtab == NULL) | |
2728 | goto error_return; | |
2729 | ||
2730 | if (! coff_debug_merge_hash_table_init (&finfo.debug_merge)) | |
2731 | goto error_return; | |
2732 | debug_merge_allocated = true; | |
2733 | ||
2734 | /* Compute the file positions for all the sections. */ | |
2735 | if (! abfd->output_has_begun) | |
2736 | bfd_coff_compute_section_file_positions (abfd); | |
2737 | ||
2738 | /* Count the line numbers and relocation entries required for the | |
2739 | output file. Set the file positions for the relocs. */ | |
2740 | rel_filepos = obj_relocbase (abfd); | |
2741 | relsz = bfd_coff_relsz (abfd); | |
2742 | max_contents_size = 0; | |
2743 | max_lineno_count = 0; | |
2744 | max_reloc_count = 0; | |
2745 | ||
2746 | for (o = abfd->sections; o != NULL; o = o->next) | |
2747 | { | |
2748 | o->reloc_count = 0; | |
2749 | o->lineno_count = 0; | |
2750 | for (p = o->link_order_head; p != NULL; p = p->next) | |
2751 | { | |
2752 | ||
2753 | if (p->type == bfd_indirect_link_order) | |
2754 | { | |
2755 | asection *sec; | |
2756 | ||
2757 | sec = p->u.indirect.section; | |
2758 | ||
7ec49f91 ILT |
2759 | /* Mark all sections which are to be included in the |
2760 | link. This will normally be every section. We need | |
2761 | to do this so that we can identify any sections which | |
2762 | the linker has decided to not include. */ | |
ff0e4a93 | 2763 | sec->linker_mark = true; |
7ec49f91 | 2764 | |
13d1a4dd KK |
2765 | if (info->strip == strip_none |
2766 | || info->strip == strip_some) | |
2767 | o->lineno_count += sec->lineno_count; | |
2768 | ||
2769 | if (info->relocateable) | |
2770 | o->reloc_count += sec->reloc_count; | |
2771 | ||
2772 | if (sec->_raw_size > max_contents_size) | |
2773 | max_contents_size = sec->_raw_size; | |
2774 | if (sec->lineno_count > max_lineno_count) | |
2775 | max_lineno_count = sec->lineno_count; | |
2776 | if (sec->reloc_count > max_reloc_count) | |
2777 | max_reloc_count = sec->reloc_count; | |
2778 | } | |
2779 | else if (info->relocateable | |
2780 | && (p->type == bfd_section_reloc_link_order | |
2781 | || p->type == bfd_symbol_reloc_link_order)) | |
2782 | ++o->reloc_count; | |
2783 | } | |
2784 | if (o->reloc_count == 0) | |
2785 | o->rel_filepos = 0; | |
2786 | else | |
2787 | { | |
2788 | o->flags |= SEC_RELOC; | |
2789 | o->rel_filepos = rel_filepos; | |
2790 | rel_filepos += o->reloc_count * relsz; | |
2791 | } | |
2792 | } | |
2793 | ||
2794 | /* If doing a relocateable link, allocate space for the pointers we | |
2795 | need to keep. */ | |
2796 | if (info->relocateable) | |
2797 | { | |
2798 | unsigned int i; | |
2799 | ||
2800 | /* We use section_count + 1, rather than section_count, because | |
2801 | the target_index fields are 1 based. */ | |
2802 | finfo.section_info = | |
2803 | ((struct coff_link_section_info *) | |
2804 | bfd_malloc ((abfd->section_count + 1) | |
2805 | * sizeof (struct coff_link_section_info))); | |
2806 | if (finfo.section_info == NULL) | |
2807 | goto error_return; | |
2808 | for (i = 0; i <= abfd->section_count; i++) | |
2809 | { | |
2810 | finfo.section_info[i].relocs = NULL; | |
2811 | finfo.section_info[i].rel_hashes = NULL; | |
2812 | } | |
2813 | } | |
2814 | ||
2815 | /* We now know the size of the relocs, so we can determine the file | |
2816 | positions of the line numbers. */ | |
2817 | line_filepos = rel_filepos; | |
2818 | linesz = bfd_coff_linesz (abfd); | |
2819 | max_output_reloc_count = 0; | |
2820 | for (o = abfd->sections; o != NULL; o = o->next) | |
2821 | { | |
2822 | if (o->lineno_count == 0) | |
2823 | o->line_filepos = 0; | |
2824 | else | |
2825 | { | |
2826 | o->line_filepos = line_filepos; | |
2827 | line_filepos += o->lineno_count * linesz; | |
2828 | } | |
2829 | ||
2830 | if (o->reloc_count != 0) | |
2831 | { | |
2832 | /* We don't know the indices of global symbols until we have | |
2833 | written out all the local symbols. For each section in | |
2834 | the output file, we keep an array of pointers to hash | |
2835 | table entries. Each entry in the array corresponds to a | |
2836 | reloc. When we find a reloc against a global symbol, we | |
2837 | set the corresponding entry in this array so that we can | |
2838 | fix up the symbol index after we have written out all the | |
2839 | local symbols. | |
2840 | ||
2841 | Because of this problem, we also keep the relocs in | |
2842 | memory until the end of the link. This wastes memory, | |
2843 | but only when doing a relocateable link, which is not the | |
2844 | common case. */ | |
2845 | BFD_ASSERT (info->relocateable); | |
2846 | finfo.section_info[o->target_index].relocs = | |
2847 | ((struct internal_reloc *) | |
2848 | bfd_malloc (o->reloc_count * sizeof (struct internal_reloc))); | |
2849 | finfo.section_info[o->target_index].rel_hashes = | |
2850 | ((struct coff_link_hash_entry **) | |
2851 | bfd_malloc (o->reloc_count | |
2852 | * sizeof (struct coff_link_hash_entry *))); | |
2853 | if (finfo.section_info[o->target_index].relocs == NULL | |
2854 | || finfo.section_info[o->target_index].rel_hashes == NULL) | |
2855 | goto error_return; | |
2856 | ||
2857 | if (o->reloc_count > max_output_reloc_count) | |
2858 | max_output_reloc_count = o->reloc_count; | |
2859 | } | |
2860 | ||
2861 | /* Reset the reloc and lineno counts, so that we can use them to | |
2862 | count the number of entries we have output so far. */ | |
2863 | o->reloc_count = 0; | |
2864 | o->lineno_count = 0; | |
2865 | } | |
2866 | ||
2867 | obj_sym_filepos (abfd) = line_filepos; | |
2868 | ||
2869 | /* Figure out the largest number of symbols in an input BFD. Take | |
2870 | the opportunity to clear the output_has_begun fields of all the | |
2871 | input BFD's. */ | |
2872 | max_sym_count = 0; | |
2873 | for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) | |
2874 | { | |
2875 | size_t sz; | |
2876 | ||
2877 | sub->output_has_begun = false; | |
2878 | sz = obj_raw_syment_count (sub); | |
2879 | if (sz > max_sym_count) | |
2880 | max_sym_count = sz; | |
2881 | } | |
2882 | ||
2883 | /* Allocate some buffers used while linking. */ | |
2884 | finfo.internal_syms = ((struct internal_syment *) | |
2885 | bfd_malloc (max_sym_count | |
2886 | * sizeof (struct internal_syment))); | |
2887 | finfo.sec_ptrs = (asection **) bfd_malloc (max_sym_count | |
2888 | * sizeof (asection *)); | |
2889 | finfo.sym_indices = (long *) bfd_malloc (max_sym_count * sizeof (long)); | |
2890 | finfo.outsyms = ((bfd_byte *) | |
2891 | bfd_malloc ((size_t) ((max_sym_count + 1) * symesz))); | |
2892 | finfo.linenos = (bfd_byte *) bfd_malloc (max_lineno_count | |
2893 | * bfd_coff_linesz (abfd)); | |
2894 | finfo.contents = (bfd_byte *) bfd_malloc (max_contents_size); | |
2895 | finfo.external_relocs = (bfd_byte *) bfd_malloc (max_reloc_count * relsz); | |
2896 | if (! info->relocateable) | |
2897 | finfo.internal_relocs = ((struct internal_reloc *) | |
2898 | bfd_malloc (max_reloc_count | |
2899 | * sizeof (struct internal_reloc))); | |
2900 | if ((finfo.internal_syms == NULL && max_sym_count > 0) | |
2901 | || (finfo.sec_ptrs == NULL && max_sym_count > 0) | |
2902 | || (finfo.sym_indices == NULL && max_sym_count > 0) | |
2903 | || finfo.outsyms == NULL | |
2904 | || (finfo.linenos == NULL && max_lineno_count > 0) | |
2905 | || (finfo.contents == NULL && max_contents_size > 0) | |
2906 | || (finfo.external_relocs == NULL && max_reloc_count > 0) | |
2907 | || (! info->relocateable | |
2908 | && finfo.internal_relocs == NULL | |
2909 | && max_reloc_count > 0)) | |
2910 | goto error_return; | |
2911 | ||
2912 | /* We now know the position of everything in the file, except that | |
2913 | we don't know the size of the symbol table and therefore we don't | |
2914 | know where the string table starts. We just build the string | |
2915 | table in memory as we go along. We process all the relocations | |
2916 | for a single input file at once. */ | |
2917 | obj_raw_syment_count (abfd) = 0; | |
2918 | ||
2919 | if (coff_backend_info (abfd)->_bfd_coff_start_final_link) | |
2920 | { | |
2921 | if (! bfd_coff_start_final_link (abfd, info)) | |
2922 | goto error_return; | |
2923 | } | |
2924 | ||
2925 | for (o = abfd->sections; o != NULL; o = o->next) | |
2926 | { | |
2927 | for (p = o->link_order_head; p != NULL; p = p->next) | |
2928 | { | |
2929 | if (p->type == bfd_indirect_link_order | |
2930 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
2931 | == bfd_target_coff_flavour)) | |
2932 | { | |
2933 | sub = p->u.indirect.section->owner; | |
2934 | #ifdef POWERPC_LE_PE | |
2935 | if (! sub->output_has_begun && !ppc_do_last(sub)) | |
2936 | #else | |
2937 | if (! sub->output_has_begun) | |
2938 | #endif | |
2939 | { | |
7ec49f91 | 2940 | if (! _bfd_coff_link_input_bfd (&finfo, sub)) |
13d1a4dd KK |
2941 | goto error_return; |
2942 | sub->output_has_begun = true; | |
2943 | } | |
2944 | } | |
2945 | else if (p->type == bfd_section_reloc_link_order | |
2946 | || p->type == bfd_symbol_reloc_link_order) | |
2947 | { | |
7ec49f91 | 2948 | if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p)) |
13d1a4dd KK |
2949 | goto error_return; |
2950 | } | |
2951 | else | |
2952 | { | |
2953 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
2954 | goto error_return; | |
2955 | } | |
2956 | } | |
2957 | } | |
2958 | ||
2959 | #ifdef POWERPC_LE_PE | |
2960 | { | |
2961 | extern bfd* ppc_get_last(); | |
2962 | bfd* last_one = ppc_get_last(); | |
2963 | if (last_one) | |
2964 | { | |
7ec49f91 | 2965 | if (! _bfd_coff_link_input_bfd (&finfo, last_one)) |
13d1a4dd KK |
2966 | goto error_return; |
2967 | } | |
2968 | last_one->output_has_begun = true; | |
2969 | } | |
2970 | #endif | |
2971 | ||
7ec49f91 | 2972 | /* Free up the buffers used by _bfd_coff_link_input_bfd. */ |
13d1a4dd KK |
2973 | |
2974 | coff_debug_merge_hash_table_free (&finfo.debug_merge); | |
2975 | debug_merge_allocated = false; | |
2976 | ||
2977 | if (finfo.internal_syms != NULL) | |
2978 | { | |
2979 | free (finfo.internal_syms); | |
2980 | finfo.internal_syms = NULL; | |
2981 | } | |
2982 | if (finfo.sec_ptrs != NULL) | |
2983 | { | |
2984 | free (finfo.sec_ptrs); | |
2985 | finfo.sec_ptrs = NULL; | |
2986 | } | |
2987 | if (finfo.sym_indices != NULL) | |
2988 | { | |
2989 | free (finfo.sym_indices); | |
2990 | finfo.sym_indices = NULL; | |
2991 | } | |
2992 | if (finfo.linenos != NULL) | |
2993 | { | |
2994 | free (finfo.linenos); | |
2995 | finfo.linenos = NULL; | |
2996 | } | |
2997 | if (finfo.contents != NULL) | |
2998 | { | |
2999 | free (finfo.contents); | |
3000 | finfo.contents = NULL; | |
3001 | } | |
3002 | if (finfo.external_relocs != NULL) | |
3003 | { | |
3004 | free (finfo.external_relocs); | |
3005 | finfo.external_relocs = NULL; | |
3006 | } | |
3007 | if (finfo.internal_relocs != NULL) | |
3008 | { | |
3009 | free (finfo.internal_relocs); | |
3010 | finfo.internal_relocs = NULL; | |
3011 | } | |
3012 | ||
3013 | /* The value of the last C_FILE symbol is supposed to be the symbol | |
3014 | index of the first external symbol. Write it out again if | |
3015 | necessary. */ | |
3016 | if (finfo.last_file_index != -1 | |
3017 | && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd)) | |
3018 | { | |
3019 | finfo.last_file.n_value = obj_raw_syment_count (abfd); | |
3020 | bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file, | |
3021 | (PTR) finfo.outsyms); | |
3022 | if (bfd_seek (abfd, | |
3023 | (obj_sym_filepos (abfd) | |
3024 | + finfo.last_file_index * symesz), | |
3025 | SEEK_SET) != 0 | |
3026 | || bfd_write (finfo.outsyms, symesz, 1, abfd) != symesz) | |
3027 | return false; | |
3028 | } | |
3029 | ||
3030 | /* Write out the global symbols. */ | |
3031 | finfo.failed = false; | |
7ec49f91 | 3032 | coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_global_sym, |
13d1a4dd KK |
3033 | (PTR) &finfo); |
3034 | if (finfo.failed) | |
3035 | goto error_return; | |
3036 | ||
7ec49f91 | 3037 | /* The outsyms buffer is used by _bfd_coff_write_global_sym. */ |
13d1a4dd KK |
3038 | if (finfo.outsyms != NULL) |
3039 | { | |
3040 | free (finfo.outsyms); | |
3041 | finfo.outsyms = NULL; | |
3042 | } | |
3043 | ||
3044 | if (info->relocateable) | |
3045 | { | |
3046 | /* Now that we have written out all the global symbols, we know | |
3047 | the symbol indices to use for relocs against them, and we can | |
3048 | finally write out the relocs. */ | |
3049 | external_relocs = ((bfd_byte *) | |
3050 | bfd_malloc (max_output_reloc_count * relsz)); | |
3051 | if (external_relocs == NULL) | |
3052 | goto error_return; | |
3053 | ||
3054 | for (o = abfd->sections; o != NULL; o = o->next) | |
3055 | { | |
3056 | struct internal_reloc *irel; | |
3057 | struct internal_reloc *irelend; | |
3058 | struct coff_link_hash_entry **rel_hash; | |
3059 | bfd_byte *erel; | |
3060 | ||
3061 | if (o->reloc_count == 0) | |
3062 | continue; | |
3063 | ||
3064 | irel = finfo.section_info[o->target_index].relocs; | |
3065 | irelend = irel + o->reloc_count; | |
3066 | rel_hash = finfo.section_info[o->target_index].rel_hashes; | |
3067 | erel = external_relocs; | |
3068 | for (; irel < irelend; irel++, rel_hash++, erel += relsz) | |
3069 | { | |
3070 | if (*rel_hash != NULL) | |
3071 | { | |
3072 | BFD_ASSERT ((*rel_hash)->indx >= 0); | |
3073 | irel->r_symndx = (*rel_hash)->indx; | |
3074 | } | |
3075 | bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel); | |
3076 | } | |
3077 | ||
3078 | if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0 | |
3079 | || bfd_write ((PTR) external_relocs, relsz, o->reloc_count, | |
3080 | abfd) != relsz * o->reloc_count) | |
3081 | goto error_return; | |
3082 | } | |
3083 | ||
3084 | free (external_relocs); | |
3085 | external_relocs = NULL; | |
3086 | } | |
3087 | ||
3088 | /* Free up the section information. */ | |
3089 | if (finfo.section_info != NULL) | |
3090 | { | |
3091 | unsigned int i; | |
3092 | ||
3093 | for (i = 0; i < abfd->section_count; i++) | |
3094 | { | |
3095 | if (finfo.section_info[i].relocs != NULL) | |
3096 | free (finfo.section_info[i].relocs); | |
3097 | if (finfo.section_info[i].rel_hashes != NULL) | |
3098 | free (finfo.section_info[i].rel_hashes); | |
3099 | } | |
3100 | free (finfo.section_info); | |
3101 | finfo.section_info = NULL; | |
3102 | } | |
3103 | ||
3104 | /* Write out the string table. */ | |
3105 | if (obj_raw_syment_count (abfd) != 0) | |
3106 | { | |
3107 | if (bfd_seek (abfd, | |
3108 | (obj_sym_filepos (abfd) | |
3109 | + obj_raw_syment_count (abfd) * symesz), | |
3110 | SEEK_SET) != 0) | |
3111 | return false; | |
3112 | ||
3113 | #if STRING_SIZE_SIZE == 4 | |
3114 | bfd_h_put_32 (abfd, | |
3115 | _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE, | |
3116 | (bfd_byte *) strbuf); | |
3117 | #else | |
3118 | #error Change bfd_h_put_32 | |
3119 | #endif | |
3120 | ||
3121 | if (bfd_write (strbuf, 1, STRING_SIZE_SIZE, abfd) != STRING_SIZE_SIZE) | |
3122 | return false; | |
3123 | ||
3124 | if (! _bfd_stringtab_emit (abfd, finfo.strtab)) | |
3125 | return false; | |
3126 | } | |
3127 | ||
3128 | _bfd_stringtab_free (finfo.strtab); | |
3129 | ||
3130 | /* Setting bfd_get_symcount to 0 will cause write_object_contents to | |
3131 | not try to write out the symbols. */ | |
3132 | bfd_get_symcount (abfd) = 0; | |
3133 | ||
3134 | return true; | |
3135 | ||
3136 | error_return: | |
3137 | if (debug_merge_allocated) | |
3138 | coff_debug_merge_hash_table_free (&finfo.debug_merge); | |
3139 | if (finfo.strtab != NULL) | |
3140 | _bfd_stringtab_free (finfo.strtab); | |
3141 | if (finfo.section_info != NULL) | |
3142 | { | |
3143 | unsigned int i; | |
3144 | ||
3145 | for (i = 0; i < abfd->section_count; i++) | |
3146 | { | |
3147 | if (finfo.section_info[i].relocs != NULL) | |
3148 | free (finfo.section_info[i].relocs); | |
3149 | if (finfo.section_info[i].rel_hashes != NULL) | |
3150 | free (finfo.section_info[i].rel_hashes); | |
3151 | } | |
3152 | free (finfo.section_info); | |
3153 | } | |
3154 | if (finfo.internal_syms != NULL) | |
3155 | free (finfo.internal_syms); | |
3156 | if (finfo.sec_ptrs != NULL) | |
3157 | free (finfo.sec_ptrs); | |
3158 | if (finfo.sym_indices != NULL) | |
3159 | free (finfo.sym_indices); | |
3160 | if (finfo.outsyms != NULL) | |
3161 | free (finfo.outsyms); | |
3162 | if (finfo.linenos != NULL) | |
3163 | free (finfo.linenos); | |
3164 | if (finfo.contents != NULL) | |
3165 | free (finfo.contents); | |
3166 | if (finfo.external_relocs != NULL) | |
3167 | free (finfo.external_relocs); | |
3168 | if (finfo.internal_relocs != NULL) | |
3169 | free (finfo.internal_relocs); | |
3170 | if (external_relocs != NULL) | |
3171 | free (external_relocs); | |
3172 | return false; | |
3173 | } | |
3174 | #endif | |
d6f41a7d KK |
3175 | \f |
3176 | ||
e7aa05bf KK |
3177 | /* The transfer vectors that lead the outside world to all of the above. */ |
3178 | ||
3179 | #ifdef TARGET_LITTLE_SYM | |
3180 | const bfd_target | |
3181 | TARGET_LITTLE_SYM = | |
3182 | { | |
3183 | TARGET_LITTLE_NAME, /* name or coff-arm-little */ | |
3184 | bfd_target_coff_flavour, | |
13d1a4dd KK |
3185 | BFD_ENDIAN_LITTLE, /* data byte order is little */ |
3186 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
e7aa05bf KK |
3187 | |
3188 | (HAS_RELOC | EXEC_P | /* FIXME: object flags */ | |
3189 | HAS_LINENO | HAS_DEBUG | | |
3190 | HAS_SYMS | HAS_LOCALS | WP_TEXT), | |
d6f41a7d | 3191 | |
5a28331f | 3192 | #ifndef COFF_WITH_PE |
e7aa05bf | 3193 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
5a28331f ILT |
3194 | #else |
3195 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */ | |
3196 | | SEC_LINK_ONCE | SEC_LINK_DUPLICATES), | |
3197 | #endif | |
3198 | ||
e7aa05bf KK |
3199 | 0, /* leading char */ |
3200 | '/', /* ar_pad_char */ | |
3201 | 15, /* ar_max_namelen??? FIXMEmgo */ | |
3202 | ||
3203 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
d6f41a7d KK |
3204 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
3205 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
e7aa05bf | 3206 | |
d6f41a7d KK |
3207 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
3208 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
3209 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
3210 | ||
e7aa05bf KK |
3211 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
3212 | bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p }, | |
3213 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
3214 | bfd_false}, | |
3215 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ | |
3216 | _bfd_write_archive_contents, bfd_false}, | |
d6f41a7d | 3217 | |
e7aa05bf KK |
3218 | BFD_JUMP_TABLE_GENERIC (coff), |
3219 | BFD_JUMP_TABLE_COPY (coff), | |
3220 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
3221 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
3222 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
3223 | BFD_JUMP_TABLE_RELOCS (coff), | |
3224 | BFD_JUMP_TABLE_WRITE (coff), | |
3225 | BFD_JUMP_TABLE_LINK (coff), | |
3226 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
d6f41a7d | 3227 | |
e7aa05bf KK |
3228 | COFF_SWAP_TABLE, |
3229 | }; | |
3230 | #endif | |
3231 | ||
3232 | #ifdef TARGET_BIG_SYM | |
3233 | const bfd_target | |
3234 | TARGET_BIG_SYM = | |
3235 | { | |
3236 | TARGET_BIG_NAME, | |
3237 | bfd_target_coff_flavour, | |
13d1a4dd KK |
3238 | BFD_ENDIAN_BIG, /* data byte order is big */ |
3239 | BFD_ENDIAN_BIG, /* header byte order is big */ | |
e7aa05bf KK |
3240 | |
3241 | (HAS_RELOC | EXEC_P | /* FIXME: object flags */ | |
3242 | HAS_LINENO | HAS_DEBUG | | |
3243 | HAS_SYMS | HAS_LOCALS | WP_TEXT), | |
3244 | ||
5a28331f | 3245 | #ifndef COFF_WITH_PE |
e7aa05bf | 3246 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
5a28331f ILT |
3247 | #else |
3248 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */ | |
3249 | | SEC_LINK_ONCE | SEC_LINK_DUPLICATES), | |
3250 | #endif | |
3251 | ||
e7aa05bf KK |
3252 | 0, /* leading char */ |
3253 | '/', /* ar_pad_char */ | |
3254 | 15, /* ar_max_namelen??? FIXMEmgo */ | |
3255 | ||
3256 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
d6f41a7d KK |
3257 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
3258 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
3259 | ||
e7aa05bf | 3260 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
d6f41a7d KK |
3261 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
3262 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
e7aa05bf KK |
3263 | |
3264 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
3265 | bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p }, | |
3266 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
3267 | bfd_false}, | |
3268 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ | |
3269 | _bfd_write_archive_contents, bfd_false}, | |
3270 | ||
3271 | BFD_JUMP_TABLE_GENERIC (coff), | |
3272 | BFD_JUMP_TABLE_COPY (coff), | |
3273 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
3274 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
3275 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
3276 | BFD_JUMP_TABLE_RELOCS (coff), | |
3277 | BFD_JUMP_TABLE_WRITE (coff), | |
3278 | BFD_JUMP_TABLE_LINK (coff), | |
3279 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
3280 | ||
3281 | COFF_SWAP_TABLE, | |
3282 | }; | |
3283 | ||
3284 | #endif |