Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* BFD back-end for PowerPC Microsoft Portable Executable files. |
7898deda | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
66eb6687 | 3 | 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | ||
6 | Original version pieced together by Kim Knuttila (krk@cygnus.com) | |
7 | ||
8 | There is nothing new under the sun. This file draws a lot on other | |
43646c9d | 9 | coff files, in particular, those for the rs/6000, alpha, mips, and |
252b5132 RH |
10 | intel backends, and the PE work for the arm. |
11 | ||
2ab1486e | 12 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 13 | |
2ab1486e NC |
14 | This program is free software; you can redistribute it and/or modify |
15 | it under the terms of the GNU General Public License as published by | |
16 | the Free Software Foundation; either version 2 of the License, or | |
17 | (at your option) any later version. | |
252b5132 | 18 | |
2ab1486e NC |
19 | This program is distributed in the hope that it will be useful, |
20 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | GNU General Public License for more details. | |
252b5132 | 23 | |
2ab1486e NC |
24 | You should have received a copy of the GNU General Public License |
25 | along with this program; if not, write to the Free Software | |
3e110533 | 26 | Foundation, 51 Franklin Street - Fifth Floor, |
53e09e0a | 27 | Boston, MA 02110-1301, USA. */ |
252b5132 RH |
28 | |
29 | /* Current State: | |
30 | - objdump works | |
31 | - relocs generated by gas | |
32 | - ld will link files, but they do not run. | |
43646c9d | 33 | - dlltool will not produce correct output in some .reloc cases, and will |
2ab1486e | 34 | not produce the right glue code for dll function calls. */ |
252b5132 | 35 | |
252b5132 RH |
36 | #include "bfd.h" |
37 | #include "sysdep.h" | |
38 | ||
39 | #include "libbfd.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 | ||
54 | /* This file is compiled more than once, but we only compile the | |
55 | final_link routine once. */ | |
b34976b6 | 56 | extern bfd_boolean ppc_bfd_coff_final_link |
252b5132 RH |
57 | PARAMS ((bfd *, struct bfd_link_info *)); |
58 | extern void dump_toc PARAMS ((PTR)); | |
59 | ||
2ab1486e NC |
60 | /* The toc is a set of bfd_vma fields. We use the fact that valid |
61 | addresses are even (i.e. the bit representing "1" is off) to allow | |
62 | us to encode a little extra information in the field | |
63 | - Unallocated addresses are initialized to 1. | |
64 | - Allocated addresses are even numbers. | |
65 | The first time we actually write a reference to the toc in the bfd, | |
66 | we want to record that fact in a fixup file (if it is asked for), so | |
67 | we keep track of whether or not an address has been written by marking | |
68 | the low order bit with a "1" upon writing. */ | |
252b5132 RH |
69 | |
70 | #define SET_UNALLOCATED(x) ((x) = 1) | |
71 | #define IS_UNALLOCATED(x) ((x) == 1) | |
72 | ||
73 | #define IS_WRITTEN(x) ((x) & 1) | |
74 | #define MARK_AS_WRITTEN(x) ((x) |= 1) | |
75 | #define MAKE_ADDR_AGAIN(x) ((x) &= ~1) | |
76 | ||
2ab1486e | 77 | /* Turn on this check if you suspect something amiss in the hash tables. */ |
252b5132 RH |
78 | #ifdef DEBUG_HASH |
79 | ||
2ab1486e | 80 | /* Need a 7 char string for an eye catcher. */ |
252b5132 RH |
81 | #define EYE "krkjunk" |
82 | ||
83 | #define HASH_CHECK_DCL char eye_catcher[8]; | |
84 | #define HASH_CHECK_INIT(ret) strcpy(ret->eye_catcher, EYE) | |
85 | #define HASH_CHECK(addr) \ | |
86 | if (strcmp(addr->eye_catcher, EYE) != 0) \ | |
87 | { \ | |
6e301b2b | 88 | fprintf (stderr,\ |
252b5132 RH |
89 | _("File %s, line %d, Hash check failure, bad eye %8s\n"), \ |
90 | __FILE__, __LINE__, addr->eye_catcher); \ | |
c5930ee6 | 91 | abort (); \ |
252b5132 RH |
92 | } |
93 | ||
252b5132 RH |
94 | #else |
95 | ||
96 | #define HASH_CHECK_DCL | |
97 | #define HASH_CHECK_INIT(ret) | |
98 | #define HASH_CHECK(addr) | |
99 | ||
100 | #endif | |
101 | ||
102 | /* In order not to add an int to every hash table item for every coff | |
2ab1486e | 103 | linker, we define our own hash table, derived from the coff one. */ |
252b5132 | 104 | |
43646c9d | 105 | /* PE linker hash table entries. */ |
252b5132 RH |
106 | |
107 | struct ppc_coff_link_hash_entry | |
108 | { | |
2ab1486e | 109 | struct coff_link_hash_entry root; /* First entry, as required. */ |
252b5132 RH |
110 | |
111 | /* As we wonder around the relocs, we'll keep the assigned toc_offset | |
2ab1486e NC |
112 | here. */ |
113 | bfd_vma toc_offset; /* Our addition, as required. */ | |
252b5132 RH |
114 | int symbol_is_glue; |
115 | unsigned long int glue_insn; | |
116 | ||
117 | HASH_CHECK_DCL | |
118 | }; | |
119 | ||
252b5132 RH |
120 | /* PE linker hash table. */ |
121 | ||
122 | struct ppc_coff_link_hash_table | |
123 | { | |
2ab1486e | 124 | struct coff_link_hash_table root; /* First entry, as required. */ |
252b5132 RH |
125 | }; |
126 | ||
127 | static struct bfd_hash_entry *ppc_coff_link_hash_newfunc | |
128 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, | |
129 | const char *)); | |
252b5132 RH |
130 | static struct bfd_link_hash_table *ppc_coff_link_hash_table_create |
131 | PARAMS ((bfd *)); | |
b34976b6 | 132 | static bfd_boolean coff_ppc_relocate_section |
252b5132 RH |
133 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
134 | struct internal_reloc *, struct internal_syment *, asection **)); | |
135 | static reloc_howto_type *coff_ppc_rtype_to_howto | |
136 | PARAMS ((bfd *, asection *, struct internal_reloc *, | |
137 | struct coff_link_hash_entry *, struct internal_syment *, | |
138 | bfd_vma *)); | |
139 | ||
140 | /* Routine to create an entry in the link hash table. */ | |
141 | ||
142 | static struct bfd_hash_entry * | |
143 | ppc_coff_link_hash_newfunc (entry, table, string) | |
144 | struct bfd_hash_entry *entry; | |
145 | struct bfd_hash_table *table; | |
146 | const char *string; | |
147 | { | |
43646c9d | 148 | struct ppc_coff_link_hash_entry *ret = |
252b5132 RH |
149 | (struct ppc_coff_link_hash_entry *) entry; |
150 | ||
151 | /* Allocate the structure if it has not already been allocated by a | |
152 | subclass. */ | |
153 | if (ret == (struct ppc_coff_link_hash_entry *) NULL) | |
154 | ret = (struct ppc_coff_link_hash_entry *) | |
43646c9d | 155 | bfd_hash_allocate (table, |
252b5132 RH |
156 | sizeof (struct ppc_coff_link_hash_entry)); |
157 | ||
158 | if (ret == (struct ppc_coff_link_hash_entry *) NULL) | |
159 | return NULL; | |
160 | ||
161 | /* Call the allocation method of the superclass. */ | |
162 | ret = ((struct ppc_coff_link_hash_entry *) | |
43646c9d | 163 | _bfd_coff_link_hash_newfunc ((struct bfd_hash_entry *) ret, |
252b5132 RH |
164 | table, string)); |
165 | ||
166 | if (ret) | |
167 | { | |
168 | /* Initialize the local fields. */ | |
2ab1486e | 169 | SET_UNALLOCATED (ret->toc_offset); |
252b5132 RH |
170 | ret->symbol_is_glue = 0; |
171 | ret->glue_insn = 0; | |
172 | ||
2ab1486e | 173 | HASH_CHECK_INIT (ret); |
252b5132 RH |
174 | } |
175 | ||
176 | return (struct bfd_hash_entry *) ret; | |
177 | } | |
178 | ||
179 | /* Initialize a PE linker hash table. */ | |
180 | ||
b34976b6 | 181 | static bfd_boolean |
66eb6687 AM |
182 | ppc_coff_link_hash_table_init (struct ppc_coff_link_hash_table *table, |
183 | bfd *abfd, | |
184 | struct bfd_hash_entry *(*newfunc) (struct bfd_hash_entry *, | |
185 | struct bfd_hash_table *, | |
186 | const char *), | |
187 | unsigned int entsize) | |
252b5132 | 188 | { |
66eb6687 | 189 | return _bfd_coff_link_hash_table_init (&table->root, abfd, newfunc, entsize); |
252b5132 RH |
190 | } |
191 | ||
192 | /* Create a PE linker hash table. */ | |
193 | ||
194 | static struct bfd_link_hash_table * | |
195 | ppc_coff_link_hash_table_create (abfd) | |
196 | bfd *abfd; | |
197 | { | |
198 | struct ppc_coff_link_hash_table *ret; | |
dc810e39 | 199 | bfd_size_type amt = sizeof (struct ppc_coff_link_hash_table); |
252b5132 | 200 | |
e2d34d7d | 201 | ret = (struct ppc_coff_link_hash_table *) bfd_malloc (amt); |
252b5132 RH |
202 | if (ret == NULL) |
203 | return NULL; | |
66eb6687 AM |
204 | if (!ppc_coff_link_hash_table_init (ret, abfd, |
205 | ppc_coff_link_hash_newfunc, | |
206 | sizeof (struct ppc_coff_link_hash_entry))) | |
252b5132 | 207 | { |
e2d34d7d | 208 | free (ret); |
252b5132 RH |
209 | return (struct bfd_link_hash_table *) NULL; |
210 | } | |
211 | return &ret->root.root; | |
212 | } | |
213 | ||
2ab1486e | 214 | /* Now, tailor coffcode.h to use our hash stuff. */ |
252b5132 RH |
215 | |
216 | #define coff_bfd_link_hash_table_create ppc_coff_link_hash_table_create | |
252b5132 | 217 | \f |
2ab1486e NC |
218 | /* The nt loader points the toc register to &toc + 32768, in order to |
219 | use the complete range of a 16-bit displacement. We have to adjust | |
220 | for this when we fix up loads displaced off the toc reg. */ | |
252b5132 RH |
221 | #define TOC_LOAD_ADJUSTMENT (-32768) |
222 | #define TOC_SECTION_NAME ".private.toc" | |
223 | ||
224 | /* The main body of code is in coffcode.h. */ | |
225 | ||
226 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) | |
227 | ||
228 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
229 | from smaller values. Start with zero, widen, *then* decrement. */ | |
230 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
231 | ||
2ab1486e | 232 | /* These should definitely go in a header file somewhere... */ |
252b5132 RH |
233 | |
234 | /* NOP */ | |
235 | #define IMAGE_REL_PPC_ABSOLUTE 0x0000 | |
236 | ||
237 | /* 64-bit address */ | |
238 | #define IMAGE_REL_PPC_ADDR64 0x0001 | |
239 | ||
240 | /* 32-bit address */ | |
241 | #define IMAGE_REL_PPC_ADDR32 0x0002 | |
242 | ||
243 | /* 26-bit address, shifted left 2 (branch absolute) */ | |
244 | #define IMAGE_REL_PPC_ADDR24 0x0003 | |
245 | ||
246 | /* 16-bit address */ | |
247 | #define IMAGE_REL_PPC_ADDR16 0x0004 | |
248 | ||
249 | /* 16-bit address, shifted left 2 (load doubleword) */ | |
250 | #define IMAGE_REL_PPC_ADDR14 0x0005 | |
251 | ||
252 | /* 26-bit PC-relative offset, shifted left 2 (branch relative) */ | |
253 | #define IMAGE_REL_PPC_REL24 0x0006 | |
254 | ||
255 | /* 16-bit PC-relative offset, shifted left 2 (br cond relative) */ | |
256 | #define IMAGE_REL_PPC_REL14 0x0007 | |
257 | ||
258 | /* 16-bit offset from TOC base */ | |
259 | #define IMAGE_REL_PPC_TOCREL16 0x0008 | |
260 | ||
261 | /* 16-bit offset from TOC base, shifted left 2 (load doubleword) */ | |
262 | #define IMAGE_REL_PPC_TOCREL14 0x0009 | |
263 | ||
264 | /* 32-bit addr w/o image base */ | |
265 | #define IMAGE_REL_PPC_ADDR32NB 0x000A | |
266 | ||
267 | /* va of containing section (as in an image sectionhdr) */ | |
268 | #define IMAGE_REL_PPC_SECREL 0x000B | |
269 | ||
270 | /* sectionheader number */ | |
271 | #define IMAGE_REL_PPC_SECTION 0x000C | |
272 | ||
273 | /* substitute TOC restore instruction iff symbol is glue code */ | |
274 | #define IMAGE_REL_PPC_IFGLUE 0x000D | |
275 | ||
276 | /* symbol is glue code; virtual address is TOC restore instruction */ | |
277 | #define IMAGE_REL_PPC_IMGLUE 0x000E | |
278 | ||
279 | /* va of containing section (limited to 16 bits) */ | |
280 | #define IMAGE_REL_PPC_SECREL16 0x000F | |
281 | ||
2ab1486e NC |
282 | /* Stuff to handle immediate data when the number of bits in the |
283 | data is greater than the number of bits in the immediate field | |
284 | We need to do (usually) 32 bit arithmetic on 16 bit chunks. */ | |
252b5132 RH |
285 | #define IMAGE_REL_PPC_REFHI 0x0010 |
286 | #define IMAGE_REL_PPC_REFLO 0x0011 | |
287 | #define IMAGE_REL_PPC_PAIR 0x0012 | |
288 | ||
2ab1486e | 289 | /* This is essentially the same as tocrel16, with TOCDEFN assumed. */ |
252b5132 RH |
290 | #define IMAGE_REL_PPC_TOCREL16_DEFN 0x0013 |
291 | ||
2ab1486e | 292 | /* Flag bits in IMAGE_RELOCATION.TYPE. */ |
252b5132 | 293 | |
2ab1486e | 294 | /* Subtract reloc value rather than adding it. */ |
252b5132 RH |
295 | #define IMAGE_REL_PPC_NEG 0x0100 |
296 | ||
2ab1486e | 297 | /* Fix branch prediction bit to predict branch taken. */ |
252b5132 RH |
298 | #define IMAGE_REL_PPC_BRTAKEN 0x0200 |
299 | ||
2ab1486e | 300 | /* Fix branch prediction bit to predict branch not taken. */ |
252b5132 RH |
301 | #define IMAGE_REL_PPC_BRNTAKEN 0x0400 |
302 | ||
2ab1486e | 303 | /* TOC slot defined in file (or, data in toc). */ |
252b5132 RH |
304 | #define IMAGE_REL_PPC_TOCDEFN 0x0800 |
305 | ||
2ab1486e | 306 | /* Masks to isolate above values in IMAGE_RELOCATION.Type. */ |
252b5132 RH |
307 | #define IMAGE_REL_PPC_TYPEMASK 0x00FF |
308 | #define IMAGE_REL_PPC_FLAGMASK 0x0F00 | |
309 | ||
310 | #define EXTRACT_TYPE(x) ((x) & IMAGE_REL_PPC_TYPEMASK) | |
311 | #define EXTRACT_FLAGS(x) ((x) & IMAGE_REL_PPC_FLAGMASK) | |
312 | #define EXTRACT_JUNK(x) \ | |
313 | ((x) & ~(IMAGE_REL_PPC_TYPEMASK | IMAGE_REL_PPC_FLAGMASK)) | |
252b5132 | 314 | \f |
2ab1486e | 315 | /* Static helper functions to make relocation work. */ |
252b5132 RH |
316 | /* (Work In Progress) */ |
317 | ||
318 | static bfd_reloc_status_type ppc_refhi_reloc PARAMS ((bfd *abfd, | |
319 | arelent *reloc, | |
320 | asymbol *symbol, | |
321 | PTR data, | |
322 | asection *section, | |
323 | bfd *output_bfd, | |
324 | char **error)); | |
252b5132 RH |
325 | static bfd_reloc_status_type ppc_pair_reloc PARAMS ((bfd *abfd, |
326 | arelent *reloc, | |
327 | asymbol *symbol, | |
328 | PTR data, | |
329 | asection *section, | |
330 | bfd *output_bfd, | |
331 | char **error)); | |
252b5132 RH |
332 | \f |
333 | static bfd_reloc_status_type ppc_toc16_reloc PARAMS ((bfd *abfd, | |
334 | arelent *reloc, | |
335 | asymbol *symbol, | |
336 | PTR data, | |
337 | asection *section, | |
338 | bfd *output_bfd, | |
339 | char **error)); | |
340 | ||
252b5132 RH |
341 | static bfd_reloc_status_type ppc_section_reloc PARAMS ((bfd *abfd, |
342 | arelent *reloc, | |
343 | asymbol *symbol, | |
344 | PTR data, | |
345 | asection *section, | |
346 | bfd *output_bfd, | |
347 | char **error)); | |
348 | ||
349 | static bfd_reloc_status_type ppc_secrel_reloc PARAMS ((bfd *abfd, | |
350 | arelent *reloc, | |
351 | asymbol *symbol, | |
352 | PTR data, | |
353 | asection *section, | |
354 | bfd *output_bfd, | |
355 | char **error)); | |
356 | ||
357 | static bfd_reloc_status_type ppc_imglue_reloc PARAMS ((bfd *abfd, | |
358 | arelent *reloc, | |
359 | asymbol *symbol, | |
360 | PTR data, | |
361 | asection *section, | |
362 | bfd *output_bfd, | |
363 | char **error)); | |
364 | ||
b34976b6 | 365 | static bfd_boolean in_reloc_p PARAMS((bfd *abfd, reloc_howto_type *howto)); |
252b5132 RH |
366 | \f |
367 | /* FIXME: It'll take a while to get through all of these. I only need a few to | |
368 | get us started, so those I'll make sure work. Those marked FIXME are either | |
2ab1486e NC |
369 | completely unverified or have a specific unknown marked in the comment. */ |
370 | ||
371 | /* Relocation entries for Windows/NT on PowerPC. | |
372 | ||
373 | From the document "" we find the following listed as used relocs: | |
374 | ||
375 | ABSOLUTE : The noop | |
376 | ADDR[64|32|16] : fields that hold addresses in data fields or the | |
377 | 16 bit displacement field on a load/store. | |
378 | ADDR[24|14] : fields that hold addresses in branch and cond | |
379 | branches. These represent [26|16] bit addresses. | |
380 | The low order 2 bits are preserved. | |
381 | REL[24|14] : branches relative to the Instruction Address | |
382 | register. These represent [26|16] bit addresses, | |
383 | as before. The instruction field will be zero, and | |
384 | the address of the SYM will be inserted at link time. | |
385 | TOCREL16 : 16 bit displacement field referring to a slot in | |
386 | toc. | |
387 | TOCREL14 : 16 bit displacement field, similar to REL14 or ADDR14. | |
388 | ADDR32NB : 32 bit address relative to the virtual origin. | |
389 | (On the alpha, this is always a linker generated thunk) | |
390 | (i.e. 32bit addr relative to the image base) | |
391 | SECREL : The value is relative to the start of the section | |
392 | containing the symbol. | |
393 | SECTION : access to the header containing the item. Supports the | |
394 | codeview debugger. | |
395 | ||
396 | In particular, note that the document does not indicate that the | |
397 | relocations listed in the header file are used. */ | |
398 | ||
252b5132 RH |
399 | |
400 | static reloc_howto_type ppc_coff_howto_table[] = | |
401 | { | |
402 | /* IMAGE_REL_PPC_ABSOLUTE 0x0000 NOP */ | |
403 | /* Unused: */ | |
43646c9d KH |
404 | HOWTO (IMAGE_REL_PPC_ABSOLUTE, /* type */ |
405 | 0, /* rightshift */ | |
406 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
407 | 0, /* bitsize */ | |
b34976b6 | 408 | FALSE, /* pc_relative */ |
43646c9d | 409 | 0, /* bitpos */ |
252b5132 | 410 | complain_overflow_dont, /* dont complain_on_overflow */ |
43646c9d | 411 | 0, /* special_function */ |
252b5132 | 412 | "ABSOLUTE", /* name */ |
b34976b6 | 413 | FALSE, /* partial_inplace */ |
43646c9d KH |
414 | 0x00, /* src_mask */ |
415 | 0x00, /* dst_mask */ | |
b34976b6 | 416 | FALSE), /* pcrel_offset */ |
43646c9d | 417 | |
252b5132 RH |
418 | /* IMAGE_REL_PPC_ADDR64 0x0001 64-bit address */ |
419 | /* Unused: */ | |
43646c9d KH |
420 | HOWTO(IMAGE_REL_PPC_ADDR64, /* type */ |
421 | 0, /* rightshift */ | |
422 | 3, /* size (0 = byte, 1 = short, 2 = long) */ | |
423 | 64, /* bitsize */ | |
b34976b6 | 424 | FALSE, /* pc_relative */ |
43646c9d | 425 | 0, /* bitpos */ |
252b5132 | 426 | complain_overflow_bitfield, /* complain_on_overflow */ |
43646c9d | 427 | 0, /* special_function */ |
252b5132 | 428 | "ADDR64", /* name */ |
b34976b6 | 429 | TRUE, /* partial_inplace */ |
252b5132 RH |
430 | MINUS_ONE, /* src_mask */ |
431 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 432 | FALSE), /* pcrel_offset */ |
252b5132 RH |
433 | |
434 | /* IMAGE_REL_PPC_ADDR32 0x0002 32-bit address */ | |
435 | /* Used: */ | |
436 | HOWTO (IMAGE_REL_PPC_ADDR32, /* type */ | |
43646c9d KH |
437 | 0, /* rightshift */ |
438 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
439 | 32, /* bitsize */ | |
b34976b6 | 440 | FALSE, /* pc_relative */ |
43646c9d | 441 | 0, /* bitpos */ |
252b5132 | 442 | complain_overflow_bitfield, /* complain_on_overflow */ |
43646c9d | 443 | 0, /* special_function */ |
252b5132 | 444 | "ADDR32", /* name */ |
b34976b6 | 445 | TRUE, /* partial_inplace */ |
43646c9d KH |
446 | 0xffffffff, /* src_mask */ |
447 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 448 | FALSE), /* pcrel_offset */ |
43646c9d | 449 | |
252b5132 RH |
450 | /* IMAGE_REL_PPC_ADDR24 0x0003 26-bit address, shifted left 2 (branch absolute) */ |
451 | /* the LI field is in bit 6 through bit 29 is 24 bits, + 2 for the shift */ | |
452 | /* Of course, That's the IBM approved bit numbering, which is not what */ | |
43646c9d | 453 | /* anyone else uses.... The li field is in bit 2 thru 25 */ |
252b5132 RH |
454 | /* Used: */ |
455 | HOWTO (IMAGE_REL_PPC_ADDR24, /* type */ | |
43646c9d KH |
456 | 0, /* rightshift */ |
457 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
252b5132 | 458 | 26, /* bitsize */ |
b34976b6 | 459 | FALSE, /* pc_relative */ |
43646c9d | 460 | 0, /* bitpos */ |
252b5132 | 461 | complain_overflow_bitfield, /* complain_on_overflow */ |
43646c9d | 462 | 0, /* special_function */ |
252b5132 | 463 | "ADDR24", /* name */ |
b34976b6 | 464 | TRUE, /* partial_inplace */ |
43646c9d KH |
465 | 0x07fffffc, /* src_mask */ |
466 | 0x07fffffc, /* dst_mask */ | |
b34976b6 | 467 | FALSE), /* pcrel_offset */ |
43646c9d | 468 | |
252b5132 RH |
469 | /* IMAGE_REL_PPC_ADDR16 0x0004 16-bit address */ |
470 | /* Used: */ | |
43646c9d KH |
471 | HOWTO (IMAGE_REL_PPC_ADDR16, /* type */ |
472 | 0, /* rightshift */ | |
473 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
474 | 16, /* bitsize */ | |
b34976b6 | 475 | FALSE, /* pc_relative */ |
43646c9d | 476 | 0, /* bitpos */ |
252b5132 | 477 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 478 | 0, /* special_function */ |
252b5132 | 479 | "ADDR16", /* name */ |
b34976b6 | 480 | TRUE, /* partial_inplace */ |
43646c9d KH |
481 | 0xffff, /* src_mask */ |
482 | 0xffff, /* dst_mask */ | |
b34976b6 | 483 | FALSE), /* pcrel_offset */ |
43646c9d | 484 | |
252b5132 RH |
485 | /* IMAGE_REL_PPC_ADDR14 0x0005 */ |
486 | /* 16-bit address, shifted left 2 (load doubleword) */ | |
487 | /* FIXME: the mask is likely wrong, and the bit position may be as well */ | |
488 | /* Unused: */ | |
43646c9d KH |
489 | HOWTO (IMAGE_REL_PPC_ADDR14, /* type */ |
490 | 1, /* rightshift */ | |
491 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
492 | 16, /* bitsize */ | |
b34976b6 | 493 | FALSE, /* pc_relative */ |
43646c9d | 494 | 0, /* bitpos */ |
252b5132 | 495 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 496 | 0, /* special_function */ |
252b5132 | 497 | "ADDR16", /* name */ |
b34976b6 | 498 | TRUE, /* partial_inplace */ |
43646c9d KH |
499 | 0xffff, /* src_mask */ |
500 | 0xffff, /* dst_mask */ | |
b34976b6 | 501 | FALSE), /* pcrel_offset */ |
43646c9d | 502 | |
252b5132 RH |
503 | /* IMAGE_REL_PPC_REL24 0x0006 */ |
504 | /* 26-bit PC-relative offset, shifted left 2 (branch relative) */ | |
505 | /* Used: */ | |
506 | HOWTO (IMAGE_REL_PPC_REL24, /* type */ | |
43646c9d KH |
507 | 0, /* rightshift */ |
508 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
509 | 26, /* bitsize */ | |
b34976b6 | 510 | TRUE, /* pc_relative */ |
43646c9d | 511 | 0, /* bitpos */ |
252b5132 | 512 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 513 | 0, /* special_function */ |
252b5132 | 514 | "REL24", /* name */ |
b34976b6 | 515 | TRUE, /* partial_inplace */ |
43646c9d KH |
516 | 0x3fffffc, /* src_mask */ |
517 | 0x3fffffc, /* dst_mask */ | |
b34976b6 | 518 | FALSE), /* pcrel_offset */ |
43646c9d | 519 | |
252b5132 RH |
520 | /* IMAGE_REL_PPC_REL14 0x0007 */ |
521 | /* 16-bit PC-relative offset, shifted left 2 (br cond relative) */ | |
522 | /* FIXME: the mask is likely wrong, and the bit position may be as well */ | |
523 | /* FIXME: how does it know how far to shift? */ | |
524 | /* Unused: */ | |
43646c9d KH |
525 | HOWTO (IMAGE_REL_PPC_ADDR14, /* type */ |
526 | 1, /* rightshift */ | |
527 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
528 | 16, /* bitsize */ | |
b34976b6 | 529 | FALSE, /* pc_relative */ |
43646c9d | 530 | 0, /* bitpos */ |
252b5132 | 531 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 532 | 0, /* special_function */ |
252b5132 | 533 | "ADDR16", /* name */ |
b34976b6 | 534 | TRUE, /* partial_inplace */ |
43646c9d KH |
535 | 0xffff, /* src_mask */ |
536 | 0xffff, /* dst_mask */ | |
b34976b6 | 537 | TRUE), /* pcrel_offset */ |
43646c9d | 538 | |
252b5132 RH |
539 | /* IMAGE_REL_PPC_TOCREL16 0x0008 */ |
540 | /* 16-bit offset from TOC base */ | |
541 | /* Used: */ | |
43646c9d KH |
542 | HOWTO (IMAGE_REL_PPC_TOCREL16,/* type */ |
543 | 0, /* rightshift */ | |
544 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
545 | 16, /* bitsize */ | |
b34976b6 | 546 | FALSE, /* pc_relative */ |
43646c9d | 547 | 0, /* bitpos */ |
252b5132 | 548 | complain_overflow_dont, /* complain_on_overflow */ |
43646c9d | 549 | ppc_toc16_reloc, /* special_function */ |
252b5132 | 550 | "TOCREL16", /* name */ |
b34976b6 | 551 | FALSE, /* partial_inplace */ |
43646c9d KH |
552 | 0xffff, /* src_mask */ |
553 | 0xffff, /* dst_mask */ | |
b34976b6 | 554 | FALSE), /* pcrel_offset */ |
43646c9d | 555 | |
252b5132 RH |
556 | /* IMAGE_REL_PPC_TOCREL14 0x0009 */ |
557 | /* 16-bit offset from TOC base, shifted left 2 (load doubleword) */ | |
558 | /* Unused: */ | |
43646c9d KH |
559 | HOWTO (IMAGE_REL_PPC_TOCREL14,/* type */ |
560 | 1, /* rightshift */ | |
561 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
562 | 16, /* bitsize */ | |
b34976b6 | 563 | FALSE, /* pc_relative */ |
43646c9d | 564 | 0, /* bitpos */ |
252b5132 | 565 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 566 | 0, /* special_function */ |
252b5132 | 567 | "TOCREL14", /* name */ |
b34976b6 | 568 | FALSE, /* partial_inplace */ |
43646c9d KH |
569 | 0xffff, /* src_mask */ |
570 | 0xffff, /* dst_mask */ | |
b34976b6 | 571 | FALSE), /* pcrel_offset */ |
43646c9d | 572 | |
252b5132 RH |
573 | /* IMAGE_REL_PPC_ADDR32NB 0x000A */ |
574 | /* 32-bit addr w/ image base */ | |
575 | /* Unused: */ | |
43646c9d KH |
576 | HOWTO (IMAGE_REL_PPC_ADDR32NB,/* type */ |
577 | 0, /* rightshift */ | |
578 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
579 | 32, /* bitsize */ | |
b34976b6 | 580 | FALSE, /* pc_relative */ |
43646c9d | 581 | 0, /* bitpos */ |
252b5132 | 582 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 583 | 0, /* special_function */ |
252b5132 | 584 | "ADDR32NB", /* name */ |
b34976b6 | 585 | TRUE, /* partial_inplace */ |
43646c9d KH |
586 | 0xffffffff, /* src_mask */ |
587 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 588 | FALSE), /* pcrel_offset */ |
43646c9d | 589 | |
252b5132 RH |
590 | /* IMAGE_REL_PPC_SECREL 0x000B */ |
591 | /* va of containing section (as in an image sectionhdr) */ | |
592 | /* Unused: */ | |
43646c9d KH |
593 | HOWTO (IMAGE_REL_PPC_SECREL,/* type */ |
594 | 0, /* rightshift */ | |
595 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
596 | 32, /* bitsize */ | |
b34976b6 | 597 | FALSE, /* pc_relative */ |
43646c9d | 598 | 0, /* bitpos */ |
252b5132 | 599 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 600 | ppc_secrel_reloc, /* special_function */ |
252b5132 | 601 | "SECREL", /* name */ |
b34976b6 | 602 | TRUE, /* partial_inplace */ |
43646c9d KH |
603 | 0xffffffff, /* src_mask */ |
604 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 605 | TRUE), /* pcrel_offset */ |
252b5132 RH |
606 | |
607 | /* IMAGE_REL_PPC_SECTION 0x000C */ | |
608 | /* sectionheader number */ | |
609 | /* Unused: */ | |
43646c9d KH |
610 | HOWTO (IMAGE_REL_PPC_SECTION,/* type */ |
611 | 0, /* rightshift */ | |
612 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
613 | 32, /* bitsize */ | |
b34976b6 | 614 | FALSE, /* pc_relative */ |
43646c9d | 615 | 0, /* bitpos */ |
252b5132 | 616 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 617 | ppc_section_reloc, /* special_function */ |
252b5132 | 618 | "SECTION", /* name */ |
b34976b6 | 619 | TRUE, /* partial_inplace */ |
43646c9d KH |
620 | 0xffffffff, /* src_mask */ |
621 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 622 | TRUE), /* pcrel_offset */ |
252b5132 RH |
623 | |
624 | /* IMAGE_REL_PPC_IFGLUE 0x000D */ | |
625 | /* substitute TOC restore instruction iff symbol is glue code */ | |
626 | /* Used: */ | |
43646c9d KH |
627 | HOWTO (IMAGE_REL_PPC_IFGLUE,/* type */ |
628 | 0, /* rightshift */ | |
629 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
630 | 32, /* bitsize */ | |
b34976b6 | 631 | FALSE, /* pc_relative */ |
43646c9d | 632 | 0, /* bitpos */ |
252b5132 | 633 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 634 | 0, /* special_function */ |
252b5132 | 635 | "IFGLUE", /* name */ |
b34976b6 | 636 | TRUE, /* partial_inplace */ |
43646c9d KH |
637 | 0xffffffff, /* src_mask */ |
638 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 639 | FALSE), /* pcrel_offset */ |
252b5132 RH |
640 | |
641 | /* IMAGE_REL_PPC_IMGLUE 0x000E */ | |
642 | /* symbol is glue code; virtual address is TOC restore instruction */ | |
643 | /* Unused: */ | |
43646c9d KH |
644 | HOWTO (IMAGE_REL_PPC_IMGLUE,/* type */ |
645 | 0, /* rightshift */ | |
646 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
647 | 32, /* bitsize */ | |
b34976b6 | 648 | FALSE, /* pc_relative */ |
43646c9d | 649 | 0, /* bitpos */ |
252b5132 | 650 | complain_overflow_dont, /* complain_on_overflow */ |
43646c9d | 651 | ppc_imglue_reloc, /* special_function */ |
252b5132 | 652 | "IMGLUE", /* name */ |
b34976b6 | 653 | FALSE, /* partial_inplace */ |
43646c9d KH |
654 | 0xffffffff, /* src_mask */ |
655 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 656 | FALSE), /* pcrel_offset */ |
252b5132 RH |
657 | |
658 | /* IMAGE_REL_PPC_SECREL16 0x000F */ | |
659 | /* va of containing section (limited to 16 bits) */ | |
660 | /* Unused: */ | |
43646c9d KH |
661 | HOWTO (IMAGE_REL_PPC_SECREL16,/* type */ |
662 | 0, /* rightshift */ | |
663 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
664 | 16, /* bitsize */ | |
b34976b6 | 665 | FALSE, /* pc_relative */ |
43646c9d | 666 | 0, /* bitpos */ |
252b5132 | 667 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 668 | 0, /* special_function */ |
252b5132 | 669 | "SECREL16", /* name */ |
b34976b6 | 670 | TRUE, /* partial_inplace */ |
43646c9d KH |
671 | 0xffff, /* src_mask */ |
672 | 0xffff, /* dst_mask */ | |
b34976b6 | 673 | TRUE), /* pcrel_offset */ |
252b5132 RH |
674 | |
675 | /* IMAGE_REL_PPC_REFHI 0x0010 */ | |
676 | /* Unused: */ | |
43646c9d KH |
677 | HOWTO (IMAGE_REL_PPC_REFHI, /* type */ |
678 | 0, /* rightshift */ | |
679 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
680 | 16, /* bitsize */ | |
b34976b6 | 681 | FALSE, /* pc_relative */ |
43646c9d | 682 | 0, /* bitpos */ |
252b5132 | 683 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 684 | ppc_refhi_reloc, /* special_function */ |
252b5132 | 685 | "REFHI", /* name */ |
b34976b6 | 686 | TRUE, /* partial_inplace */ |
43646c9d KH |
687 | 0xffffffff, /* src_mask */ |
688 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 689 | FALSE), /* pcrel_offset */ |
252b5132 RH |
690 | |
691 | /* IMAGE_REL_PPC_REFLO 0x0011 */ | |
692 | /* Unused: */ | |
43646c9d KH |
693 | HOWTO (IMAGE_REL_PPC_REFLO, /* type */ |
694 | 0, /* rightshift */ | |
695 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
696 | 16, /* bitsize */ | |
b34976b6 | 697 | FALSE, /* pc_relative */ |
43646c9d | 698 | 0, /* bitpos */ |
252b5132 | 699 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 700 | ppc_refhi_reloc, /* special_function */ |
252b5132 | 701 | "REFLO", /* name */ |
b34976b6 | 702 | TRUE, /* partial_inplace */ |
43646c9d KH |
703 | 0xffffffff, /* src_mask */ |
704 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 705 | FALSE), /* pcrel_offset */ |
252b5132 RH |
706 | |
707 | /* IMAGE_REL_PPC_PAIR 0x0012 */ | |
708 | /* Unused: */ | |
43646c9d KH |
709 | HOWTO (IMAGE_REL_PPC_PAIR, /* type */ |
710 | 0, /* rightshift */ | |
711 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
712 | 16, /* bitsize */ | |
b34976b6 | 713 | FALSE, /* pc_relative */ |
43646c9d | 714 | 0, /* bitpos */ |
252b5132 | 715 | complain_overflow_signed, /* complain_on_overflow */ |
43646c9d | 716 | ppc_pair_reloc, /* special_function */ |
252b5132 | 717 | "PAIR", /* name */ |
b34976b6 | 718 | TRUE, /* partial_inplace */ |
43646c9d KH |
719 | 0xffffffff, /* src_mask */ |
720 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 721 | FALSE), /* pcrel_offset */ |
252b5132 RH |
722 | |
723 | /* IMAGE_REL_PPC_TOCREL16_DEFN 0x0013 */ | |
724 | /* 16-bit offset from TOC base, without causing a definition */ | |
725 | /* Used: */ | |
43646c9d KH |
726 | HOWTO ( (IMAGE_REL_PPC_TOCREL16 | IMAGE_REL_PPC_TOCDEFN), /* type */ |
727 | 0, /* rightshift */ | |
728 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
729 | 16, /* bitsize */ | |
b34976b6 | 730 | FALSE, /* pc_relative */ |
43646c9d | 731 | 0, /* bitpos */ |
252b5132 | 732 | complain_overflow_dont, /* complain_on_overflow */ |
43646c9d | 733 | 0, /* special_function */ |
252b5132 | 734 | "TOCREL16, TOCDEFN", /* name */ |
b34976b6 | 735 | FALSE, /* partial_inplace */ |
43646c9d KH |
736 | 0xffff, /* src_mask */ |
737 | 0xffff, /* dst_mask */ | |
b34976b6 | 738 | FALSE), /* pcrel_offset */ |
252b5132 RH |
739 | |
740 | }; | |
252b5132 | 741 | \f |
2ab1486e | 742 | /* Some really cheezy macros that can be turned on to test stderr :-) */ |
252b5132 RH |
743 | |
744 | #ifdef DEBUG_RELOC | |
745 | #define UN_IMPL(x) \ | |
746 | { \ | |
747 | static int i; \ | |
748 | if (i == 0) \ | |
749 | { \ | |
750 | i = 1; \ | |
6e301b2b | 751 | fprintf (stderr,_("Unimplemented Relocation -- %s\n"),x); \ |
252b5132 RH |
752 | } \ |
753 | } | |
754 | ||
755 | #define DUMP_RELOC(n,r) \ | |
756 | { \ | |
6e301b2b | 757 | fprintf (stderr,"%s sym %d, addr %d, addend %d\n", \ |
252b5132 RH |
758 | n, (*(r->sym_ptr_ptr))->name, \ |
759 | r->address, r->addend); \ | |
760 | } | |
761 | ||
43646c9d KH |
762 | /* Given a reloc name, n, and a pointer to an internal_reloc, |
763 | dump out interesting information on the contents | |
252b5132 RH |
764 | |
765 | #define n_name _n._n_name | |
766 | #define n_zeroes _n._n_n._n_zeroes | |
2ab1486e | 767 | #define n_offset _n._n_n._n_offset */ |
252b5132 | 768 | |
2ab1486e NC |
769 | #define DUMP_RELOC2(n,r) \ |
770 | { \ | |
771 | fprintf (stderr,"%s sym %d, r_vaddr %d %s\n", \ | |
772 | n, r->r_symndx, r->r_vaddr, \ | |
252b5132 | 773 | (((r->r_type) & IMAGE_REL_PPC_TOCDEFN) == 0) \ |
2ab1486e | 774 | ?" ":" TOCDEFN" ); \ |
252b5132 RH |
775 | } |
776 | ||
777 | #else | |
778 | #define UN_IMPL(x) | |
779 | #define DUMP_RELOC(n,r) | |
780 | #define DUMP_RELOC2(n,r) | |
781 | #endif | |
252b5132 | 782 | \f |
2ab1486e | 783 | /* TOC construction and management routines. */ |
252b5132 RH |
784 | |
785 | /* This file is compiled twice, and these variables are defined in one | |
786 | of the compilations. FIXME: This is confusing and weird. Also, | |
787 | BFD should not use global variables. */ | |
2ab1486e | 788 | extern bfd * bfd_of_toc_owner; |
252b5132 | 789 | extern long int global_toc_size; |
252b5132 RH |
790 | extern long int import_table_size; |
791 | extern long int first_thunk_address; | |
792 | extern long int thunk_size; | |
793 | ||
794 | enum toc_type | |
795 | { | |
796 | default_toc, | |
797 | toc_32, | |
798 | toc_64 | |
799 | }; | |
800 | ||
801 | enum ref_category | |
802 | { | |
803 | priv, | |
804 | pub, | |
dc810e39 | 805 | tocdata |
252b5132 RH |
806 | }; |
807 | ||
808 | struct list_ele | |
809 | { | |
810 | struct list_ele *next; | |
811 | bfd_vma addr; | |
812 | enum ref_category cat; | |
813 | int offset; | |
814 | const char *name; | |
815 | }; | |
816 | ||
817 | extern struct list_ele *head; | |
818 | extern struct list_ele *tail; | |
819 | ||
820 | static void record_toc | |
dc810e39 | 821 | PARAMS ((asection *, bfd_signed_vma, enum ref_category, const char *)); |
252b5132 RH |
822 | |
823 | static void | |
824 | record_toc (toc_section, our_toc_offset, cat, name) | |
825 | asection *toc_section; | |
dc810e39 | 826 | bfd_signed_vma our_toc_offset; |
252b5132 RH |
827 | enum ref_category cat; |
828 | const char *name; | |
829 | { | |
2ab1486e | 830 | /* Add this entry to our toc addr-offset-name list. */ |
dc810e39 AM |
831 | bfd_size_type amt = sizeof (struct list_ele); |
832 | struct list_ele *t = (struct list_ele *) bfd_malloc (amt); | |
833 | ||
252b5132 RH |
834 | if (t == NULL) |
835 | abort (); | |
836 | t->next = 0; | |
837 | t->offset = our_toc_offset; | |
838 | t->name = name; | |
839 | t->cat = cat; | |
840 | t->addr = toc_section->output_offset + our_toc_offset; | |
841 | ||
842 | if (head == 0) | |
843 | { | |
844 | head = t; | |
845 | tail = t; | |
846 | } | |
847 | else | |
848 | { | |
849 | tail->next = t; | |
850 | tail = t; | |
851 | } | |
852 | } | |
853 | ||
854 | #ifdef COFF_IMAGE_WITH_PE | |
855 | ||
b34976b6 | 856 | static bfd_boolean ppc_record_toc_entry |
252b5132 RH |
857 | PARAMS ((bfd *, struct bfd_link_info *, asection *, int, enum toc_type)); |
858 | static void ppc_mark_symbol_as_glue | |
859 | PARAMS ((bfd *, int, struct internal_reloc *)); | |
860 | ||
2ab1486e | 861 | /* Record a toc offset against a symbol. */ |
b34976b6 | 862 | static bfd_boolean |
252b5132 RH |
863 | ppc_record_toc_entry(abfd, info, sec, sym, toc_kind) |
864 | bfd *abfd; | |
5f771d47 ILT |
865 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
866 | asection *sec ATTRIBUTE_UNUSED; | |
252b5132 | 867 | int sym; |
5f771d47 | 868 | enum toc_type toc_kind ATTRIBUTE_UNUSED; |
252b5132 RH |
869 | { |
870 | struct ppc_coff_link_hash_entry *h; | |
871 | const char *name; | |
872 | ||
873 | int *local_syms; | |
874 | ||
875 | h = 0; | |
876 | ||
877 | h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]); | |
878 | if (h != 0) | |
879 | { | |
880 | HASH_CHECK(h); | |
881 | } | |
882 | ||
43646c9d KH |
883 | if (h == 0) |
884 | { | |
252b5132 | 885 | local_syms = obj_coff_local_toc_table(abfd); |
2ab1486e | 886 | |
252b5132 RH |
887 | if (local_syms == 0) |
888 | { | |
889 | unsigned int i; | |
dc810e39 | 890 | bfd_size_type amt; |
2ab1486e | 891 | |
252b5132 | 892 | /* allocate a table */ |
dc810e39 AM |
893 | amt = (bfd_size_type) obj_raw_syment_count (abfd) * sizeof (int); |
894 | local_syms = (int *) bfd_zalloc (abfd, amt); | |
252b5132 | 895 | if (local_syms == 0) |
b34976b6 | 896 | return FALSE; |
dc810e39 | 897 | obj_coff_local_toc_table (abfd) = local_syms; |
2ab1486e | 898 | |
dc810e39 | 899 | for (i = 0; i < obj_raw_syment_count (abfd); ++i) |
252b5132 | 900 | { |
dc810e39 | 901 | SET_UNALLOCATED (local_syms[i]); |
252b5132 RH |
902 | } |
903 | } | |
904 | ||
43646c9d | 905 | if (IS_UNALLOCATED(local_syms[sym])) |
252b5132 RH |
906 | { |
907 | local_syms[sym] = global_toc_size; | |
908 | global_toc_size += 4; | |
909 | ||
5c4491d3 | 910 | /* The size must fit in a 16-bit displacement. */ |
252b5132 RH |
911 | if (global_toc_size > 65535) |
912 | { | |
913 | (*_bfd_error_handler) (_("TOC overflow")); | |
914 | bfd_set_error (bfd_error_file_too_big); | |
b34976b6 | 915 | return FALSE; |
252b5132 RH |
916 | } |
917 | } | |
918 | } | |
919 | else | |
920 | { | |
921 | name = h->root.root.root.string; | |
922 | ||
2ab1486e NC |
923 | /* Check to see if there's a toc slot allocated. If not, do it |
924 | here. It will be used in relocate_section. */ | |
252b5132 RH |
925 | if (IS_UNALLOCATED(h->toc_offset)) |
926 | { | |
927 | h->toc_offset = global_toc_size; | |
928 | global_toc_size += 4; | |
929 | ||
5c4491d3 | 930 | /* The size must fit in a 16-bit displacement. */ |
252b5132 RH |
931 | if (global_toc_size >= 65535) |
932 | { | |
933 | (*_bfd_error_handler) (_("TOC overflow")); | |
934 | bfd_set_error (bfd_error_file_too_big); | |
b34976b6 | 935 | return FALSE; |
252b5132 RH |
936 | } |
937 | } | |
938 | } | |
939 | ||
b34976b6 | 940 | return TRUE; |
252b5132 RH |
941 | } |
942 | ||
2ab1486e | 943 | /* Record a toc offset against a symbol. */ |
252b5132 RH |
944 | static void |
945 | ppc_mark_symbol_as_glue(abfd, sym, rel) | |
946 | bfd *abfd; | |
947 | int sym; | |
948 | struct internal_reloc *rel; | |
949 | { | |
950 | struct ppc_coff_link_hash_entry *h; | |
951 | ||
952 | h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]); | |
953 | ||
954 | HASH_CHECK(h); | |
955 | ||
956 | h->symbol_is_glue = 1; | |
957 | h->glue_insn = bfd_get_32 (abfd, (bfd_byte *) &rel->r_vaddr); | |
958 | ||
959 | return; | |
960 | } | |
961 | ||
962 | #endif /* COFF_IMAGE_WITH_PE */ | |
963 | \f | |
b34976b6 | 964 | /* Return TRUE if this relocation should |
43646c9d | 965 | appear in the output .reloc section. */ |
252b5132 | 966 | |
b34976b6 | 967 | static bfd_boolean in_reloc_p(abfd, howto) |
5f771d47 | 968 | bfd * abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
969 | reloc_howto_type *howto; |
970 | { | |
43646c9d KH |
971 | return |
972 | (! howto->pc_relative) | |
252b5132 RH |
973 | && (howto->type != IMAGE_REL_PPC_ADDR32NB) |
974 | && (howto->type != IMAGE_REL_PPC_TOCREL16) | |
975 | && (howto->type != IMAGE_REL_PPC_IMGLUE) | |
43646c9d | 976 | && (howto->type != IMAGE_REL_PPC_IFGLUE) |
252b5132 RH |
977 | && (howto->type != IMAGE_REL_PPC_SECREL) |
978 | && (howto->type != IMAGE_REL_PPC_SECTION) | |
979 | && (howto->type != IMAGE_REL_PPC_SECREL16) | |
980 | && (howto->type != IMAGE_REL_PPC_REFHI) | |
981 | && (howto->type != IMAGE_REL_PPC_REFLO) | |
982 | && (howto->type != IMAGE_REL_PPC_PAIR) | |
983 | && (howto->type != IMAGE_REL_PPC_TOCREL16_DEFN) ; | |
43646c9d | 984 | } |
252b5132 | 985 | |
252b5132 RH |
986 | /* The reloc processing routine for the optimized COFF linker. */ |
987 | ||
b34976b6 | 988 | static bfd_boolean |
252b5132 RH |
989 | coff_ppc_relocate_section (output_bfd, info, input_bfd, input_section, |
990 | contents, relocs, syms, sections) | |
991 | bfd *output_bfd; | |
992 | struct bfd_link_info *info; | |
993 | bfd *input_bfd; | |
994 | asection *input_section; | |
995 | bfd_byte *contents; | |
996 | struct internal_reloc *relocs; | |
997 | struct internal_syment *syms; | |
998 | asection **sections; | |
999 | { | |
1000 | struct internal_reloc *rel; | |
1001 | struct internal_reloc *relend; | |
b34976b6 | 1002 | bfd_boolean hihalf; |
252b5132 RH |
1003 | bfd_vma hihalf_val; |
1004 | asection *toc_section = 0; | |
1005 | bfd_vma relocation; | |
1006 | reloc_howto_type *howto = 0; | |
43646c9d | 1007 | |
1049f94e | 1008 | /* If we are performing a relocatable link, we don't need to do a |
252b5132 RH |
1009 | thing. The caller will take care of adjusting the reloc |
1010 | addresses and symbol indices. */ | |
1049f94e | 1011 | if (info->relocatable) |
b34976b6 | 1012 | return TRUE; |
43646c9d | 1013 | |
b34976b6 | 1014 | hihalf = FALSE; |
252b5132 RH |
1015 | hihalf_val = 0; |
1016 | ||
1017 | rel = relocs; | |
1018 | relend = rel + input_section->reloc_count; | |
1019 | for (; rel < relend; rel++) | |
1020 | { | |
1021 | long symndx; | |
1022 | struct ppc_coff_link_hash_entry *h; | |
1023 | struct internal_syment *sym; | |
1024 | bfd_vma val; | |
1025 | ||
1026 | asection *sec; | |
1027 | bfd_reloc_status_type rstat; | |
1028 | bfd_byte *loc; | |
1029 | ||
1030 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); | |
1031 | unsigned short r_flags = EXTRACT_FLAGS(rel->r_type); | |
43646c9d | 1032 | |
252b5132 RH |
1033 | symndx = rel->r_symndx; |
1034 | loc = contents + rel->r_vaddr - input_section->vma; | |
1035 | ||
1036 | /* FIXME: check bounds on r_type */ | |
1037 | howto = ppc_coff_howto_table + r_type; | |
1038 | ||
1039 | if (symndx == -1) | |
1040 | { | |
1041 | h = NULL; | |
1042 | sym = NULL; | |
1043 | } | |
1044 | else | |
1045 | { | |
43646c9d | 1046 | h = (struct ppc_coff_link_hash_entry *) |
252b5132 | 1047 | (obj_coff_sym_hashes (input_bfd)[symndx]); |
43646c9d | 1048 | if (h != 0) |
252b5132 RH |
1049 | { |
1050 | HASH_CHECK(h); | |
1051 | } | |
1052 | ||
1053 | sym = syms + symndx; | |
1054 | } | |
1055 | ||
1056 | if (r_type == IMAGE_REL_PPC_IMGLUE && h == 0) | |
1057 | { | |
43646c9d | 1058 | /* An IMGLUE reloc must have a name. Something is very wrong. */ |
c5930ee6 | 1059 | abort (); |
252b5132 RH |
1060 | } |
1061 | ||
1062 | sec = NULL; | |
1063 | val = 0; | |
1064 | ||
2ab1486e | 1065 | /* FIXME: PAIR unsupported in the following code. */ |
252b5132 RH |
1066 | if (h == NULL) |
1067 | { | |
1068 | if (symndx == -1) | |
1069 | sec = bfd_abs_section_ptr; | |
1070 | else | |
1071 | { | |
1072 | sec = sections[symndx]; | |
1073 | val = (sec->output_section->vma | |
1074 | + sec->output_offset | |
1075 | + sym->n_value); | |
1076 | if (! obj_pe (output_bfd)) | |
1077 | val -= sec->vma; | |
1078 | } | |
1079 | } | |
1080 | else | |
1081 | { | |
1082 | HASH_CHECK(h); | |
1083 | ||
1084 | if (h->root.root.type == bfd_link_hash_defined | |
1085 | || h->root.root.type == bfd_link_hash_defweak) | |
1086 | { | |
1087 | sec = h->root.root.u.def.section; | |
1088 | val = (h->root.root.u.def.value | |
1089 | + sec->output_section->vma | |
1090 | + sec->output_offset); | |
1091 | } | |
1092 | else | |
1093 | { | |
1094 | if (! ((*info->callbacks->undefined_symbol) | |
1095 | (info, h->root.root.root.string, input_bfd, input_section, | |
b34976b6 AM |
1096 | rel->r_vaddr - input_section->vma, TRUE))) |
1097 | return FALSE; | |
252b5132 RH |
1098 | } |
1099 | } | |
1100 | ||
1101 | rstat = bfd_reloc_ok; | |
43646c9d | 1102 | |
2ab1486e | 1103 | /* Each case must do its own relocation, setting rstat appropriately. */ |
252b5132 RH |
1104 | switch (r_type) |
1105 | { | |
1106 | default: | |
1107 | (*_bfd_error_handler) | |
d003868e | 1108 | (_("%B: unsupported relocation type 0x%02x"), input_bfd, r_type); |
252b5132 | 1109 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 1110 | return FALSE; |
252b5132 RH |
1111 | case IMAGE_REL_PPC_TOCREL16: |
1112 | { | |
dc810e39 | 1113 | bfd_signed_vma our_toc_offset; |
252b5132 RH |
1114 | int fixit; |
1115 | ||
1116 | DUMP_RELOC2(howto->name, rel); | |
1117 | ||
43646c9d | 1118 | if (toc_section == 0) |
252b5132 | 1119 | { |
43646c9d | 1120 | toc_section = bfd_get_section_by_name (bfd_of_toc_owner, |
252b5132 RH |
1121 | TOC_SECTION_NAME); |
1122 | ||
43646c9d | 1123 | if ( toc_section == NULL ) |
252b5132 | 1124 | { |
43646c9d | 1125 | /* There is no toc section. Something is very wrong. */ |
c5930ee6 | 1126 | abort (); |
252b5132 RH |
1127 | } |
1128 | } | |
1129 | ||
2ab1486e NC |
1130 | /* Amazing bit tricks present. As we may have seen earlier, we |
1131 | use the 1 bit to tell us whether or not a toc offset has been | |
1132 | allocated. Now that they've all been allocated, we will use | |
1133 | the 1 bit to tell us if we've written this particular toc | |
1134 | entry out. */ | |
b34976b6 | 1135 | fixit = FALSE; |
252b5132 | 1136 | if (h == 0) |
2ab1486e NC |
1137 | { |
1138 | /* It is a file local symbol. */ | |
252b5132 RH |
1139 | int *local_toc_table; |
1140 | const char *name; | |
1141 | ||
1142 | sym = syms + symndx; | |
1143 | name = sym->_n._n_name; | |
1144 | ||
1145 | local_toc_table = obj_coff_local_toc_table(input_bfd); | |
1146 | our_toc_offset = local_toc_table[symndx]; | |
1147 | ||
1148 | if (IS_WRITTEN(our_toc_offset)) | |
1149 | { | |
2ab1486e | 1150 | /* If it has been written out, it is marked with the |
252b5132 | 1151 | 1 bit. Fix up our offset, but do not write it out |
2ab1486e | 1152 | again. */ |
252b5132 RH |
1153 | MAKE_ADDR_AGAIN(our_toc_offset); |
1154 | } | |
1155 | else | |
1156 | { | |
2ab1486e | 1157 | /* Write out the toc entry. */ |
dc810e39 AM |
1158 | record_toc (toc_section, our_toc_offset, priv, |
1159 | strdup (name)); | |
252b5132 | 1160 | |
dc810e39 | 1161 | bfd_put_32 (output_bfd, val, |
252b5132 RH |
1162 | toc_section->contents + our_toc_offset); |
1163 | ||
1164 | MARK_AS_WRITTEN(local_toc_table[symndx]); | |
b34976b6 | 1165 | fixit = TRUE; |
252b5132 RH |
1166 | } |
1167 | } | |
1168 | else | |
1169 | { | |
1170 | const char *name = h->root.root.root.string; | |
1171 | our_toc_offset = h->toc_offset; | |
1172 | ||
43646c9d | 1173 | if ((r_flags & IMAGE_REL_PPC_TOCDEFN) |
252b5132 RH |
1174 | == IMAGE_REL_PPC_TOCDEFN ) |
1175 | { | |
43646c9d KH |
1176 | /* This is unbelievable cheese. Some knowledgable asm |
1177 | hacker has decided to use r2 as a base for loading | |
1178 | a value. He/She does this by setting the tocdefn bit, | |
1179 | and not supplying a toc definition. The behaviour is | |
1180 | then to use the difference between the value of the | |
1181 | symbol and the actual location of the toc as the toc | |
1182 | index. | |
252b5132 RH |
1183 | |
1184 | In fact, what is usually happening is, because the | |
1185 | Import Address Table is mapped immediately following | |
1186 | the toc, some trippy library code trying for speed on | |
43646c9d | 1187 | dll linkage, takes advantage of that and considers |
2ab1486e | 1188 | the IAT to be part of the toc, thus saving a load. */ |
252b5132 | 1189 | |
dc810e39 AM |
1190 | our_toc_offset = val - (toc_section->output_section->vma |
1191 | + toc_section->output_offset); | |
252b5132 | 1192 | |
5c4491d3 | 1193 | /* The size must still fit in a 16-bit displacement. */ |
dc810e39 | 1194 | if ((bfd_vma) our_toc_offset >= 65535) |
252b5132 RH |
1195 | { |
1196 | (*_bfd_error_handler) | |
d003868e AM |
1197 | (_("%B: Relocation for %s of %lx exceeds Toc size limit"), |
1198 | input_bfd, name, | |
dc810e39 | 1199 | (unsigned long) our_toc_offset); |
252b5132 | 1200 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 1201 | return FALSE; |
252b5132 RH |
1202 | } |
1203 | ||
dc810e39 AM |
1204 | record_toc (toc_section, our_toc_offset, pub, |
1205 | strdup (name)); | |
252b5132 | 1206 | } |
2ab1486e | 1207 | else if (IS_WRITTEN (our_toc_offset)) |
252b5132 | 1208 | { |
2ab1486e | 1209 | /* If it has been written out, it is marked with the |
252b5132 | 1210 | 1 bit. Fix up our offset, but do not write it out |
2ab1486e | 1211 | again. */ |
252b5132 RH |
1212 | MAKE_ADDR_AGAIN(our_toc_offset); |
1213 | } | |
1214 | else | |
1215 | { | |
dc810e39 AM |
1216 | record_toc(toc_section, our_toc_offset, pub, |
1217 | strdup (name)); | |
252b5132 | 1218 | |
2ab1486e | 1219 | /* Write out the toc entry. */ |
dc810e39 | 1220 | bfd_put_32 (output_bfd, val, |
252b5132 RH |
1221 | toc_section->contents + our_toc_offset); |
1222 | ||
1223 | MARK_AS_WRITTEN(h->toc_offset); | |
2ab1486e NC |
1224 | /* The tricky part is that this is the address that |
1225 | needs a .reloc entry for it. */ | |
b34976b6 | 1226 | fixit = TRUE; |
252b5132 RH |
1227 | } |
1228 | } | |
1229 | ||
43646c9d | 1230 | if (fixit && info->base_file) |
252b5132 RH |
1231 | { |
1232 | /* So if this is non pcrelative, and is referenced | |
2ab1486e | 1233 | to a section or a common symbol, then it needs a reloc. */ |
252b5132 | 1234 | |
2ab1486e | 1235 | /* Relocation to a symbol in a section which |
43646c9d | 1236 | isn't absolute - we output the address here |
2ab1486e | 1237 | to a file. */ |
dc810e39 AM |
1238 | bfd_vma addr = (toc_section->output_section->vma |
1239 | + toc_section->output_offset + our_toc_offset); | |
43646c9d | 1240 | |
2ab1486e | 1241 | if (coff_data (output_bfd)->pe) |
252b5132 RH |
1242 | addr -= pe_data(output_bfd)->pe_opthdr.ImageBase; |
1243 | ||
1244 | fwrite (&addr, 1,4, (FILE *) info->base_file); | |
1245 | } | |
1246 | ||
2ab1486e | 1247 | /* FIXME: this test is conservative. */ |
dc810e39 | 1248 | if ((r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN |
eea6121a | 1249 | && (bfd_vma) our_toc_offset > toc_section->size) |
252b5132 RH |
1250 | { |
1251 | (*_bfd_error_handler) | |
d003868e AM |
1252 | (_("%B: Relocation exceeds allocated TOC (%lx)"), |
1253 | input_bfd, (unsigned long) toc_section->size); | |
252b5132 | 1254 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 1255 | return FALSE; |
252b5132 RH |
1256 | } |
1257 | ||
2ab1486e | 1258 | /* Now we know the relocation for this toc reference. */ |
252b5132 | 1259 | relocation = our_toc_offset + TOC_LOAD_ADJUSTMENT; |
dc810e39 | 1260 | rstat = _bfd_relocate_contents (howto, input_bfd, relocation, loc); |
252b5132 RH |
1261 | } |
1262 | break; | |
1263 | case IMAGE_REL_PPC_IFGLUE: | |
1264 | { | |
2ab1486e NC |
1265 | /* To solve this, we need to know whether or not the symbol |
1266 | appearing on the call instruction is a glue function or not. | |
1267 | A glue function must announce itself via a IMGLUE reloc, and | |
1268 | the reloc contains the required toc restore instruction. */ | |
252b5132 RH |
1269 | bfd_vma x; |
1270 | const char *my_name; | |
2ab1486e NC |
1271 | |
1272 | DUMP_RELOC2 (howto->name, rel); | |
252b5132 RH |
1273 | |
1274 | if (h != 0) | |
1275 | { | |
1276 | my_name = h->root.root.root.string; | |
43646c9d | 1277 | if (h->symbol_is_glue == 1) |
252b5132 | 1278 | { |
6e301b2b | 1279 | x = bfd_get_32 (input_bfd, loc); |
dc810e39 | 1280 | bfd_put_32 (input_bfd, (bfd_vma) h->glue_insn, loc); |
252b5132 RH |
1281 | } |
1282 | } | |
1283 | } | |
1284 | break; | |
1285 | case IMAGE_REL_PPC_SECREL: | |
2ab1486e | 1286 | /* Unimplemented: codeview debugging information. */ |
43646c9d KH |
1287 | /* For fast access to the header of the section |
1288 | containing the item. */ | |
252b5132 RH |
1289 | break; |
1290 | case IMAGE_REL_PPC_SECTION: | |
2ab1486e | 1291 | /* Unimplemented: codeview debugging information. */ |
252b5132 RH |
1292 | /* Is used to indicate that the value should be relative |
1293 | to the beginning of the section that contains the | |
2ab1486e | 1294 | symbol. */ |
252b5132 RH |
1295 | break; |
1296 | case IMAGE_REL_PPC_ABSOLUTE: | |
1297 | { | |
1298 | const char *my_name; | |
2ab1486e | 1299 | |
252b5132 | 1300 | if (h == 0) |
2ab1486e | 1301 | my_name = (syms+symndx)->_n._n_name; |
252b5132 | 1302 | else |
2ab1486e | 1303 | my_name = h->root.root.root.string; |
252b5132 | 1304 | |
d003868e AM |
1305 | (*_bfd_error_handler) |
1306 | (_("Warning: unsupported reloc %s <file %B, section %A>\n" | |
1307 | "sym %ld (%s), r_vaddr %ld (%lx)"), | |
1308 | input_bfd, input_section, howto->name, | |
1309 | rel->r_symndx, my_name, (long) rel->r_vaddr, | |
1310 | (unsigned long) rel->r_vaddr); | |
252b5132 RH |
1311 | } |
1312 | break; | |
1313 | case IMAGE_REL_PPC_IMGLUE: | |
1314 | { | |
1315 | /* There is nothing to do now. This reloc was noted in the first | |
2ab1486e | 1316 | pass over the relocs, and the glue instruction extracted. */ |
252b5132 | 1317 | const char *my_name; |
2ab1486e | 1318 | |
43646c9d | 1319 | if (h->symbol_is_glue == 1) |
252b5132 RH |
1320 | break; |
1321 | my_name = h->root.root.root.string; | |
1322 | ||
1323 | (*_bfd_error_handler) | |
d003868e | 1324 | (_("%B: Out of order IMGLUE reloc for %s"), input_bfd, my_name); |
252b5132 | 1325 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 1326 | return FALSE; |
252b5132 RH |
1327 | } |
1328 | ||
1329 | case IMAGE_REL_PPC_ADDR32NB: | |
1330 | { | |
252b5132 | 1331 | const char *name = 0; |
2ab1486e NC |
1332 | |
1333 | DUMP_RELOC2 (howto->name, rel); | |
252b5132 | 1334 | |
0112cd26 | 1335 | if (CONST_STRNEQ (input_section->name, ".idata$2") && first_thunk_address == 0) |
252b5132 | 1336 | { |
2ab1486e | 1337 | /* Set magic values. */ |
252b5132 | 1338 | int idata5offset; |
dc810e39 | 1339 | struct coff_link_hash_entry *myh; |
2ab1486e | 1340 | |
252b5132 RH |
1341 | myh = coff_link_hash_lookup (coff_hash_table (info), |
1342 | "__idata5_magic__", | |
b34976b6 | 1343 | FALSE, FALSE, TRUE); |
43646c9d KH |
1344 | first_thunk_address = myh->root.u.def.value + |
1345 | sec->output_section->vma + | |
1346 | sec->output_offset - | |
252b5132 | 1347 | pe_data(output_bfd)->pe_opthdr.ImageBase; |
43646c9d | 1348 | |
252b5132 RH |
1349 | idata5offset = myh->root.u.def.value; |
1350 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1351 | "__idata6_magic__", | |
b34976b6 | 1352 | FALSE, FALSE, TRUE); |
43646c9d | 1353 | |
252b5132 RH |
1354 | thunk_size = myh->root.u.def.value - idata5offset; |
1355 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1356 | "__idata4_magic__", | |
b34976b6 | 1357 | FALSE, FALSE, TRUE); |
252b5132 RH |
1358 | import_table_size = myh->root.u.def.value; |
1359 | } | |
1360 | ||
1361 | if (h == 0) | |
2ab1486e NC |
1362 | { |
1363 | /* It is a file local symbol. */ | |
252b5132 RH |
1364 | sym = syms + symndx; |
1365 | name = sym->_n._n_name; | |
1366 | } | |
1367 | else | |
1368 | { | |
1369 | char *target = 0; | |
1370 | ||
1371 | name = h->root.root.root.string; | |
2ab1486e | 1372 | if (strcmp (".idata$2", name) == 0) |
252b5132 | 1373 | target = "__idata2_magic__"; |
2ab1486e | 1374 | else if (strcmp (".idata$4", name) == 0) |
252b5132 | 1375 | target = "__idata4_magic__"; |
2ab1486e | 1376 | else if (strcmp (".idata$5", name) == 0) |
252b5132 RH |
1377 | target = "__idata5_magic__"; |
1378 | ||
1379 | if (target != 0) | |
1380 | { | |
dc810e39 | 1381 | struct coff_link_hash_entry *myh; |
252b5132 RH |
1382 | |
1383 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1384 | target, | |
b34976b6 | 1385 | FALSE, FALSE, TRUE); |
43646c9d | 1386 | if (myh == 0) |
252b5132 | 1387 | { |
43646c9d | 1388 | /* Missing magic cookies. Something is very wrong. */ |
c5930ee6 | 1389 | abort (); |
252b5132 | 1390 | } |
43646c9d KH |
1391 | |
1392 | val = myh->root.u.def.value + | |
252b5132 RH |
1393 | sec->output_section->vma + sec->output_offset; |
1394 | if (first_thunk_address == 0) | |
1395 | { | |
1396 | int idata5offset; | |
1397 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1398 | "__idata5_magic__", | |
b34976b6 | 1399 | FALSE, FALSE, TRUE); |
43646c9d KH |
1400 | first_thunk_address = myh->root.u.def.value + |
1401 | sec->output_section->vma + | |
1402 | sec->output_offset - | |
252b5132 | 1403 | pe_data(output_bfd)->pe_opthdr.ImageBase; |
43646c9d | 1404 | |
252b5132 RH |
1405 | idata5offset = myh->root.u.def.value; |
1406 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1407 | "__idata6_magic__", | |
b34976b6 | 1408 | FALSE, FALSE, TRUE); |
43646c9d | 1409 | |
252b5132 RH |
1410 | thunk_size = myh->root.u.def.value - idata5offset; |
1411 | myh = coff_link_hash_lookup (coff_hash_table (info), | |
1412 | "__idata4_magic__", | |
b34976b6 | 1413 | FALSE, FALSE, TRUE); |
252b5132 RH |
1414 | import_table_size = myh->root.u.def.value; |
1415 | } | |
1416 | } | |
1417 | } | |
1418 | ||
1419 | rstat = _bfd_relocate_contents (howto, | |
2ab1486e NC |
1420 | input_bfd, |
1421 | val - | |
1422 | pe_data (output_bfd)->pe_opthdr.ImageBase, | |
1423 | loc); | |
252b5132 RH |
1424 | } |
1425 | break; | |
1426 | ||
1427 | case IMAGE_REL_PPC_REL24: | |
1428 | DUMP_RELOC2(howto->name, rel); | |
1429 | val -= (input_section->output_section->vma | |
1430 | + input_section->output_offset); | |
1431 | ||
1432 | rstat = _bfd_relocate_contents (howto, | |
43646c9d KH |
1433 | input_bfd, |
1434 | val, | |
252b5132 RH |
1435 | loc); |
1436 | break; | |
1437 | case IMAGE_REL_PPC_ADDR16: | |
1438 | case IMAGE_REL_PPC_ADDR24: | |
1439 | case IMAGE_REL_PPC_ADDR32: | |
1440 | DUMP_RELOC2(howto->name, rel); | |
1441 | rstat = _bfd_relocate_contents (howto, | |
43646c9d KH |
1442 | input_bfd, |
1443 | val, | |
252b5132 RH |
1444 | loc); |
1445 | break; | |
1446 | } | |
1447 | ||
2ab1486e | 1448 | if (info->base_file) |
252b5132 RH |
1449 | { |
1450 | /* So if this is non pcrelative, and is referenced | |
2ab1486e NC |
1451 | to a section or a common symbol, then it needs a reloc. */ |
1452 | if (sym && pe_data(output_bfd)->in_reloc_p (output_bfd, howto)) | |
252b5132 | 1453 | { |
2ab1486e | 1454 | /* Relocation to a symbol in a section which |
43646c9d | 1455 | isn't absolute - we output the address here |
2ab1486e | 1456 | to a file. */ |
43646c9d KH |
1457 | bfd_vma addr = rel->r_vaddr |
1458 | - input_section->vma | |
1459 | + input_section->output_offset | |
252b5132 RH |
1460 | + input_section->output_section->vma; |
1461 | ||
2ab1486e NC |
1462 | if (coff_data (output_bfd)->pe) |
1463 | addr -= pe_data (output_bfd)->pe_opthdr.ImageBase; | |
1464 | ||
252b5132 RH |
1465 | fwrite (&addr, 1,4, (FILE *) info->base_file); |
1466 | } | |
1467 | } | |
1468 | ||
1469 | switch (rstat) | |
1470 | { | |
1471 | default: | |
1472 | abort (); | |
1473 | case bfd_reloc_ok: | |
1474 | break; | |
1475 | case bfd_reloc_overflow: | |
1476 | { | |
1477 | const char *name; | |
1478 | char buf[SYMNMLEN + 1]; | |
1479 | ||
1480 | if (symndx == -1) | |
1481 | name = "*ABS*"; | |
1482 | else if (h != NULL) | |
dfeffb9f | 1483 | name = NULL; |
252b5132 RH |
1484 | else if (sym == NULL) |
1485 | name = "*unknown*"; | |
1486 | else if (sym->_n._n_n._n_zeroes == 0 | |
1487 | && sym->_n._n_n._n_offset != 0) | |
1488 | name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset; | |
1489 | else | |
1490 | { | |
1491 | strncpy (buf, sym->_n._n_name, SYMNMLEN); | |
1492 | buf[SYMNMLEN] = '\0'; | |
1493 | name = buf; | |
1494 | } | |
1495 | ||
1496 | if (! ((*info->callbacks->reloc_overflow) | |
dfeffb9f | 1497 | (info, (h ? &h->root.root : NULL), name, howto->name, |
252b5132 RH |
1498 | (bfd_vma) 0, input_bfd, |
1499 | input_section, rel->r_vaddr - input_section->vma))) | |
2ab1486e | 1500 | return FALSE; |
252b5132 RH |
1501 | } |
1502 | } | |
43646c9d | 1503 | } |
252b5132 | 1504 | |
b34976b6 | 1505 | return TRUE; |
252b5132 RH |
1506 | } |
1507 | ||
1508 | #ifdef COFF_IMAGE_WITH_PE | |
1509 | ||
1510 | /* FIXME: BFD should not use global variables. This file is compiled | |
1511 | twice, and these variables are shared. This is confusing and | |
1512 | weird. */ | |
1513 | ||
1514 | long int global_toc_size = 4; | |
1515 | ||
1516 | bfd* bfd_of_toc_owner = 0; | |
1517 | ||
1518 | long int import_table_size; | |
1519 | long int first_thunk_address; | |
1520 | long int thunk_size; | |
1521 | ||
1522 | struct list_ele *head; | |
1523 | struct list_ele *tail; | |
1524 | ||
1525 | static char * | |
1526 | h1 = N_("\n\t\t\tTOC MAPPING\n\n"); | |
1527 | static char * | |
1528 | h2 = N_(" TOC disassembly Comments Name\n"); | |
1529 | static char * | |
1530 | h3 = N_(" Offset spelling (if present)\n"); | |
1531 | ||
1532 | void | |
1533 | dump_toc (vfile) | |
1534 | PTR vfile; | |
1535 | { | |
1536 | FILE *file = (FILE *) vfile; | |
1537 | struct list_ele *t; | |
1538 | ||
6e301b2b KH |
1539 | fprintf (file, _(h1)); |
1540 | fprintf (file, _(h2)); | |
1541 | fprintf (file, _(h3)); | |
252b5132 | 1542 | |
6e301b2b | 1543 | for (t = head; t != 0; t=t->next) |
252b5132 RH |
1544 | { |
1545 | const char *cat = ""; | |
1546 | ||
1547 | if (t->cat == priv) | |
1548 | cat = _("private "); | |
1549 | else if (t->cat == pub) | |
1550 | cat = _("public "); | |
dc810e39 | 1551 | else if (t->cat == tocdata) |
252b5132 RH |
1552 | cat = _("data-in-toc "); |
1553 | ||
1554 | if (t->offset > global_toc_size) | |
1555 | { | |
1556 | if (t->offset <= global_toc_size + thunk_size) | |
1557 | cat = _("IAT reference "); | |
1558 | else | |
1559 | { | |
6e301b2b | 1560 | fprintf (file, |
252b5132 | 1561 | _("**** global_toc_size %ld(%lx), thunk_size %ld(%lx)\n"), |
dc810e39 AM |
1562 | global_toc_size, global_toc_size, |
1563 | thunk_size, thunk_size); | |
252b5132 RH |
1564 | cat = _("Out of bounds!"); |
1565 | } | |
1566 | } | |
1567 | ||
6e301b2b | 1568 | fprintf (file, |
252b5132 | 1569 | " %04lx (%d)", (unsigned long) t->offset, t->offset - 32768); |
6e301b2b | 1570 | fprintf (file, |
252b5132 RH |
1571 | " %s %s\n", |
1572 | cat, t->name); | |
1573 | ||
1574 | } | |
1575 | ||
6e301b2b | 1576 | fprintf (file, "\n"); |
252b5132 RH |
1577 | } |
1578 | ||
b34976b6 | 1579 | bfd_boolean |
43646c9d | 1580 | ppc_allocate_toc_section (info) |
5f771d47 | 1581 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
252b5132 RH |
1582 | { |
1583 | asection *s; | |
1584 | bfd_byte *foo; | |
dc810e39 | 1585 | bfd_size_type amt; |
252b5132 RH |
1586 | static char test_char = '1'; |
1587 | ||
2ab1486e | 1588 | if ( global_toc_size == 0 ) /* FIXME: does this get me in trouble? */ |
b34976b6 | 1589 | return TRUE; |
252b5132 RH |
1590 | |
1591 | if (bfd_of_toc_owner == 0) | |
2ab1486e NC |
1592 | /* No toc owner? Something is very wrong. */ |
1593 | abort (); | |
252b5132 RH |
1594 | |
1595 | s = bfd_get_section_by_name ( bfd_of_toc_owner , TOC_SECTION_NAME); | |
43646c9d | 1596 | if (s == NULL) |
2ab1486e NC |
1597 | /* No toc section? Something is very wrong. */ |
1598 | abort (); | |
252b5132 | 1599 | |
dc810e39 AM |
1600 | amt = global_toc_size; |
1601 | foo = (bfd_byte *) bfd_alloc (bfd_of_toc_owner, amt); | |
1602 | memset(foo, test_char, (size_t) global_toc_size); | |
252b5132 | 1603 | |
eea6121a | 1604 | s->size = global_toc_size; |
252b5132 RH |
1605 | s->contents = foo; |
1606 | ||
b34976b6 | 1607 | return TRUE; |
252b5132 RH |
1608 | } |
1609 | ||
b34976b6 | 1610 | bfd_boolean |
252b5132 RH |
1611 | ppc_process_before_allocation (abfd, info) |
1612 | bfd *abfd; | |
1613 | struct bfd_link_info *info; | |
1614 | { | |
1615 | asection *sec; | |
1616 | struct internal_reloc *i, *rel; | |
1617 | ||
2ab1486e | 1618 | /* Here we have a bfd that is to be included on the link. We have a hook |
43646c9d | 1619 | to do reloc rummaging, before section sizes are nailed down. */ |
2ab1486e | 1620 | _bfd_coff_get_external_symbols (abfd); |
252b5132 | 1621 | |
2ab1486e | 1622 | /* Rummage around all the relocs and map the toc. */ |
252b5132 RH |
1623 | sec = abfd->sections; |
1624 | ||
1625 | if (sec == 0) | |
2ab1486e | 1626 | return TRUE; |
252b5132 RH |
1627 | |
1628 | for (; sec != 0; sec = sec->next) | |
2ab1486e NC |
1629 | { |
1630 | if (sec->reloc_count == 0) | |
1631 | continue; | |
252b5132 | 1632 | |
2ab1486e NC |
1633 | /* load the relocs */ |
1634 | /* FIXME: there may be a storage leak here */ | |
1635 | i=_bfd_coff_read_internal_relocs(abfd,sec,1,0,0,0); | |
43646c9d | 1636 | |
2ab1486e NC |
1637 | if (i == 0) |
1638 | abort (); | |
252b5132 | 1639 | |
2ab1486e NC |
1640 | for (rel = i; rel < i + sec->reloc_count; ++rel) |
1641 | { | |
1642 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); | |
1643 | unsigned short r_flags = EXTRACT_FLAGS (rel->r_type); | |
1644 | bfd_boolean ok = TRUE; | |
252b5132 | 1645 | |
2ab1486e | 1646 | DUMP_RELOC2 (ppc_coff_howto_table[r_type].name, rel); |
252b5132 | 1647 | |
2ab1486e NC |
1648 | switch(r_type) |
1649 | { | |
1650 | case IMAGE_REL_PPC_TOCREL16: | |
1651 | /* If TOCDEFN is on, ignore as someone else has allocated the | |
1652 | toc entry. */ | |
1653 | if ((r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN) | |
1654 | ok = ppc_record_toc_entry(abfd, info, sec, | |
1655 | rel->r_symndx, default_toc); | |
1656 | if (!ok) | |
1657 | return FALSE; | |
1658 | break; | |
1659 | case IMAGE_REL_PPC_IMGLUE: | |
1660 | ppc_mark_symbol_as_glue (abfd, rel->r_symndx, rel); | |
1661 | break; | |
1662 | default: | |
1663 | break; | |
1664 | } | |
1665 | } | |
1666 | } | |
252b5132 | 1667 | |
b34976b6 | 1668 | return TRUE; |
252b5132 RH |
1669 | } |
1670 | ||
1671 | #endif | |
1672 | ||
252b5132 | 1673 | static bfd_reloc_status_type |
2ab1486e NC |
1674 | ppc_refhi_reloc (abfd, reloc_entry, symbol, data, |
1675 | input_section, output_bfd, error_message) | |
5f771d47 ILT |
1676 | bfd *abfd ATTRIBUTE_UNUSED; |
1677 | arelent *reloc_entry ATTRIBUTE_UNUSED; | |
1678 | asymbol *symbol ATTRIBUTE_UNUSED; | |
1679 | PTR data ATTRIBUTE_UNUSED; | |
1680 | asection *input_section ATTRIBUTE_UNUSED; | |
252b5132 | 1681 | bfd *output_bfd; |
5f771d47 | 1682 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
1683 | { |
1684 | UN_IMPL("REFHI"); | |
1685 | DUMP_RELOC("REFHI",reloc_entry); | |
1686 | ||
1687 | if (output_bfd == (bfd *) NULL) | |
1688 | return bfd_reloc_continue; | |
1689 | ||
1690 | return bfd_reloc_undefined; | |
1691 | } | |
1692 | ||
252b5132 | 1693 | static bfd_reloc_status_type |
2ab1486e NC |
1694 | ppc_pair_reloc (abfd, reloc_entry, symbol, data, |
1695 | input_section, output_bfd, error_message) | |
5f771d47 ILT |
1696 | bfd *abfd ATTRIBUTE_UNUSED; |
1697 | arelent *reloc_entry ATTRIBUTE_UNUSED; | |
1698 | asymbol *symbol ATTRIBUTE_UNUSED; | |
1699 | PTR data ATTRIBUTE_UNUSED; | |
1700 | asection *input_section ATTRIBUTE_UNUSED; | |
252b5132 | 1701 | bfd *output_bfd; |
5f771d47 | 1702 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
1703 | { |
1704 | UN_IMPL("PAIR"); | |
1705 | DUMP_RELOC("PAIR",reloc_entry); | |
1706 | ||
1707 | if (output_bfd == (bfd *) NULL) | |
1708 | return bfd_reloc_continue; | |
1709 | ||
1710 | return bfd_reloc_undefined; | |
1711 | } | |
252b5132 RH |
1712 | \f |
1713 | static bfd_reloc_status_type | |
2ab1486e NC |
1714 | ppc_toc16_reloc (abfd, reloc_entry, symbol, data, |
1715 | input_section, output_bfd, error_message) | |
5f771d47 ILT |
1716 | bfd *abfd ATTRIBUTE_UNUSED; |
1717 | arelent *reloc_entry ATTRIBUTE_UNUSED; | |
1718 | asymbol *symbol ATTRIBUTE_UNUSED; | |
1719 | PTR data ATTRIBUTE_UNUSED; | |
1720 | asection *input_section ATTRIBUTE_UNUSED; | |
252b5132 | 1721 | bfd *output_bfd; |
5f771d47 | 1722 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 | 1723 | { |
2ab1486e NC |
1724 | UN_IMPL ("TOCREL16"); |
1725 | DUMP_RELOC ("TOCREL16",reloc_entry); | |
252b5132 RH |
1726 | |
1727 | if (output_bfd == (bfd *) NULL) | |
2ab1486e | 1728 | return bfd_reloc_continue; |
252b5132 RH |
1729 | |
1730 | return bfd_reloc_ok; | |
1731 | } | |
1732 | ||
252b5132 | 1733 | static bfd_reloc_status_type |
2ab1486e NC |
1734 | ppc_secrel_reloc (abfd, reloc_entry, symbol, data, |
1735 | input_section, output_bfd, error_message) | |
5f771d47 ILT |
1736 | bfd *abfd ATTRIBUTE_UNUSED; |
1737 | arelent *reloc_entry ATTRIBUTE_UNUSED; | |
1738 | asymbol *symbol ATTRIBUTE_UNUSED; | |
1739 | PTR data ATTRIBUTE_UNUSED; | |
1740 | asection *input_section ATTRIBUTE_UNUSED; | |
252b5132 | 1741 | bfd *output_bfd; |
5f771d47 | 1742 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
1743 | { |
1744 | UN_IMPL("SECREL"); | |
1745 | DUMP_RELOC("SECREL",reloc_entry); | |
1746 | ||
1747 | if (output_bfd == (bfd *) NULL) | |
1748 | return bfd_reloc_continue; | |
1749 | ||
1750 | return bfd_reloc_ok; | |
1751 | } | |
1752 | ||
1753 | static bfd_reloc_status_type | |
2ab1486e NC |
1754 | ppc_section_reloc (abfd, reloc_entry, symbol, data, |
1755 | input_section, output_bfd, error_message) | |
5f771d47 ILT |
1756 | bfd *abfd ATTRIBUTE_UNUSED; |
1757 | arelent *reloc_entry ATTRIBUTE_UNUSED; | |
1758 | asymbol *symbol ATTRIBUTE_UNUSED; | |
1759 | PTR data ATTRIBUTE_UNUSED; | |
1760 | asection *input_section ATTRIBUTE_UNUSED; | |
252b5132 | 1761 | bfd *output_bfd; |
5f771d47 | 1762 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
1763 | { |
1764 | UN_IMPL("SECTION"); | |
1765 | DUMP_RELOC("SECTION",reloc_entry); | |
1766 | ||
1767 | if (output_bfd == (bfd *) NULL) | |
1768 | return bfd_reloc_continue; | |
1769 | ||
1770 | return bfd_reloc_ok; | |
1771 | } | |
1772 | ||
1773 | static bfd_reloc_status_type | |
2ab1486e NC |
1774 | ppc_imglue_reloc (abfd, reloc_entry, symbol, data, |
1775 | input_section, output_bfd, error_message) | |
5f771d47 ILT |
1776 | bfd *abfd ATTRIBUTE_UNUSED; |
1777 | arelent *reloc_entry ATTRIBUTE_UNUSED; | |
1778 | asymbol *symbol ATTRIBUTE_UNUSED; | |
1779 | PTR data ATTRIBUTE_UNUSED; | |
1780 | asection *input_section ATTRIBUTE_UNUSED; | |
252b5132 | 1781 | bfd *output_bfd; |
5f771d47 | 1782 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
1783 | { |
1784 | UN_IMPL("IMGLUE"); | |
1785 | DUMP_RELOC("IMGLUE",reloc_entry); | |
1786 | ||
1787 | if (output_bfd == (bfd *) NULL) | |
1788 | return bfd_reloc_continue; | |
1789 | ||
1790 | return bfd_reloc_ok; | |
1791 | } | |
252b5132 | 1792 | \f |
252b5132 | 1793 | #define MAX_RELOC_INDEX \ |
c5930ee6 | 1794 | (sizeof (ppc_coff_howto_table) / sizeof (ppc_coff_howto_table[0]) - 1) |
252b5132 | 1795 | |
5c4491d3 | 1796 | /* FIXME: There is a possibility that when we read in a reloc from a file, |
43646c9d | 1797 | that there are some bits encoded in the upper portion of the |
2ab1486e NC |
1798 | type field. Not yet implemented. */ |
1799 | static void ppc_coff_rtype2howto PARAMS ((arelent *, struct internal_reloc *)); | |
252b5132 RH |
1800 | |
1801 | static void | |
1802 | ppc_coff_rtype2howto (relent, internal) | |
1803 | arelent *relent; | |
1804 | struct internal_reloc *internal; | |
43646c9d | 1805 | { |
252b5132 RH |
1806 | /* We can encode one of three things in the type field, aside from the |
1807 | type: | |
1808 | 1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction | |
1809 | value, rather than an addition value | |
1810 | 2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that | |
1811 | the branch is expected to be taken or not. | |
1812 | 3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file | |
1813 | For now, we just strip this stuff to find the type, and ignore it other | |
2ab1486e | 1814 | than that. */ |
252b5132 RH |
1815 | reloc_howto_type *howto; |
1816 | unsigned short r_type = EXTRACT_TYPE (internal->r_type); | |
1817 | unsigned short r_flags = EXTRACT_FLAGS(internal->r_type); | |
1818 | unsigned short junk = EXTRACT_JUNK (internal->r_type); | |
1819 | ||
2ab1486e | 1820 | /* The masking process only slices off the bottom byte for r_type. */ |
43646c9d | 1821 | if ( r_type > MAX_RELOC_INDEX ) |
c5930ee6 | 1822 | abort (); |
252b5132 | 1823 | |
2ab1486e NC |
1824 | /* Check for absolute crap. */ |
1825 | if (junk != 0) | |
c5930ee6 | 1826 | abort (); |
252b5132 | 1827 | |
43646c9d | 1828 | switch(r_type) |
252b5132 RH |
1829 | { |
1830 | case IMAGE_REL_PPC_ADDR16: | |
1831 | case IMAGE_REL_PPC_REL24: | |
1832 | case IMAGE_REL_PPC_ADDR24: | |
1833 | case IMAGE_REL_PPC_ADDR32: | |
1834 | case IMAGE_REL_PPC_IFGLUE: | |
1835 | case IMAGE_REL_PPC_ADDR32NB: | |
1836 | case IMAGE_REL_PPC_SECTION: | |
1837 | case IMAGE_REL_PPC_SECREL: | |
2ab1486e | 1838 | DUMP_RELOC2 (ppc_coff_howto_table[r_type].name, internal); |
252b5132 RH |
1839 | howto = ppc_coff_howto_table + r_type; |
1840 | break; | |
1841 | case IMAGE_REL_PPC_IMGLUE: | |
2ab1486e | 1842 | DUMP_RELOC2 (ppc_coff_howto_table[r_type].name, internal); |
252b5132 RH |
1843 | howto = ppc_coff_howto_table + r_type; |
1844 | break; | |
1845 | case IMAGE_REL_PPC_TOCREL16: | |
2ab1486e | 1846 | DUMP_RELOC2 (ppc_coff_howto_table[r_type].name, internal); |
252b5132 RH |
1847 | if (r_flags & IMAGE_REL_PPC_TOCDEFN) |
1848 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN; | |
1849 | else | |
1850 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16; | |
1851 | break; | |
1852 | default: | |
6e301b2b | 1853 | fprintf (stderr, |
252b5132 RH |
1854 | _("Warning: Unsupported reloc %s [%d] used -- it may not work.\n"), |
1855 | ppc_coff_howto_table[r_type].name, | |
1856 | r_type); | |
43646c9d | 1857 | howto = ppc_coff_howto_table + r_type; |
252b5132 RH |
1858 | break; |
1859 | } | |
43646c9d | 1860 | |
252b5132 | 1861 | relent->howto = howto; |
252b5132 RH |
1862 | } |
1863 | ||
1864 | static reloc_howto_type * | |
1865 | coff_ppc_rtype_to_howto (abfd, sec, rel, h, sym, addendp) | |
5f771d47 | 1866 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1867 | asection *sec; |
1868 | struct internal_reloc *rel; | |
5f771d47 ILT |
1869 | struct coff_link_hash_entry *h ATTRIBUTE_UNUSED; |
1870 | struct internal_syment *sym ATTRIBUTE_UNUSED; | |
252b5132 RH |
1871 | bfd_vma *addendp; |
1872 | { | |
1873 | reloc_howto_type *howto; | |
1874 | ||
1875 | /* We can encode one of three things in the type field, aside from the | |
1876 | type: | |
1877 | 1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction | |
1878 | value, rather than an addition value | |
1879 | 2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that | |
1880 | the branch is expected to be taken or not. | |
1881 | 3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file | |
1882 | For now, we just strip this stuff to find the type, and ignore it other | |
2ab1486e | 1883 | than that. */ |
252b5132 | 1884 | |
2ab1486e NC |
1885 | unsigned short r_type = EXTRACT_TYPE (rel->r_type); |
1886 | unsigned short r_flags = EXTRACT_FLAGS (rel->r_type); | |
1887 | unsigned short junk = EXTRACT_JUNK (rel->r_type); | |
252b5132 | 1888 | |
2ab1486e NC |
1889 | /* The masking process only slices off the bottom byte for r_type. */ |
1890 | if (r_type > MAX_RELOC_INDEX) | |
c5930ee6 | 1891 | abort (); |
43646c9d | 1892 | |
2ab1486e NC |
1893 | /* Check for absolute crap. */ |
1894 | if (junk != 0) | |
c5930ee6 | 1895 | abort (); |
43646c9d KH |
1896 | |
1897 | switch(r_type) | |
252b5132 RH |
1898 | { |
1899 | case IMAGE_REL_PPC_ADDR32NB: | |
1900 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
1901 | *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase; | |
1902 | howto = ppc_coff_howto_table + r_type; | |
1903 | break; | |
1904 | case IMAGE_REL_PPC_TOCREL16: | |
1905 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
1906 | if (r_flags & IMAGE_REL_PPC_TOCDEFN) | |
1907 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN; | |
1908 | else | |
1909 | howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16; | |
1910 | break; | |
1911 | case IMAGE_REL_PPC_ADDR16: | |
1912 | case IMAGE_REL_PPC_REL24: | |
1913 | case IMAGE_REL_PPC_ADDR24: | |
1914 | case IMAGE_REL_PPC_ADDR32: | |
1915 | case IMAGE_REL_PPC_IFGLUE: | |
1916 | case IMAGE_REL_PPC_SECTION: | |
1917 | case IMAGE_REL_PPC_SECREL: | |
1918 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
1919 | howto = ppc_coff_howto_table + r_type; | |
1920 | break; | |
1921 | case IMAGE_REL_PPC_IMGLUE: | |
1922 | DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel); | |
1923 | howto = ppc_coff_howto_table + r_type; | |
1924 | break; | |
1925 | default: | |
6e301b2b | 1926 | fprintf (stderr, |
252b5132 RH |
1927 | _("Warning: Unsupported reloc %s [%d] used -- it may not work.\n"), |
1928 | ppc_coff_howto_table[r_type].name, | |
1929 | r_type); | |
1930 | howto = ppc_coff_howto_table + r_type; | |
1931 | break; | |
1932 | } | |
43646c9d | 1933 | |
252b5132 RH |
1934 | return howto; |
1935 | } | |
1936 | ||
2ab1486e | 1937 | /* A cheesy little macro to make the code a little more readable. */ |
252b5132 RH |
1938 | #define HOW2MAP(bfd_rtype,ppc_rtype) \ |
1939 | case bfd_rtype: return &ppc_coff_howto_table[ppc_rtype] | |
1940 | ||
1941 | static reloc_howto_type *ppc_coff_reloc_type_lookup | |
1942 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
1943 | ||
1944 | static reloc_howto_type * | |
1945 | ppc_coff_reloc_type_lookup (abfd, code) | |
5f771d47 | 1946 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1947 | bfd_reloc_code_real_type code; |
1948 | { | |
1949 | switch (code) | |
1950 | { | |
1951 | HOW2MAP(BFD_RELOC_32_GOTOFF, IMAGE_REL_PPC_IMGLUE); | |
1952 | HOW2MAP(BFD_RELOC_16_GOT_PCREL, IMAGE_REL_PPC_IFGLUE); | |
1953 | HOW2MAP(BFD_RELOC_16, IMAGE_REL_PPC_ADDR16); | |
1954 | HOW2MAP(BFD_RELOC_PPC_B26, IMAGE_REL_PPC_REL24); | |
1955 | HOW2MAP(BFD_RELOC_PPC_BA26, IMAGE_REL_PPC_ADDR24); | |
1956 | HOW2MAP(BFD_RELOC_PPC_TOC16, IMAGE_REL_PPC_TOCREL16); | |
1957 | HOW2MAP(BFD_RELOC_16_GOTOFF, IMAGE_REL_PPC_TOCREL16_DEFN); | |
1958 | HOW2MAP(BFD_RELOC_32, IMAGE_REL_PPC_ADDR32); | |
1959 | HOW2MAP(BFD_RELOC_RVA, IMAGE_REL_PPC_ADDR32NB); | |
43646c9d | 1960 | default: |
252b5132 RH |
1961 | return NULL; |
1962 | } | |
252b5132 RH |
1963 | } |
1964 | ||
1965 | #undef HOW2MAP | |
252b5132 | 1966 | \f |
43646c9d | 1967 | /* Tailor coffcode.h -- macro heaven. */ |
252b5132 RH |
1968 | |
1969 | #define RTYPE2HOWTO(cache_ptr, dst) ppc_coff_rtype2howto (cache_ptr, dst) | |
1970 | ||
252b5132 RH |
1971 | /* We use the special COFF backend linker, with our own special touch. */ |
1972 | ||
1973 | #define coff_bfd_reloc_type_lookup ppc_coff_reloc_type_lookup | |
1974 | #define coff_rtype_to_howto coff_ppc_rtype_to_howto | |
1975 | #define coff_relocate_section coff_ppc_relocate_section | |
43646c9d | 1976 | #define coff_bfd_final_link ppc_bfd_coff_final_link |
252b5132 RH |
1977 | |
1978 | #ifndef COFF_IMAGE_WITH_PE | |
1e738b87 | 1979 | #endif |
252b5132 RH |
1980 | |
1981 | #define SELECT_RELOC(internal, howto) {internal.r_type=howto->type;} | |
1982 | ||
1983 | #define COFF_PAGE_SIZE 0x1000 | |
1984 | ||
650f5dd8 ILT |
1985 | /* FIXME: This controls some code that used to be in peicode.h and is |
1986 | now in peigen.c. It will not control the code in peigen.c. If | |
1987 | anybody wants to get this working, you will need to fix that. */ | |
252b5132 RH |
1988 | #define POWERPC_LE_PE |
1989 | ||
a50f8417 ILT |
1990 | #define COFF_SECTION_ALIGNMENT_ENTRIES \ |
1991 | { COFF_SECTION_NAME_EXACT_MATCH (".idata$2"), \ | |
1992 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, \ | |
1993 | { COFF_SECTION_NAME_EXACT_MATCH (".idata$3"), \ | |
1994 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, \ | |
1995 | { COFF_SECTION_NAME_EXACT_MATCH (".idata$4"), \ | |
1996 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \ | |
1997 | { COFF_SECTION_NAME_EXACT_MATCH (".idata$5"), \ | |
1998 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \ | |
1999 | { COFF_SECTION_NAME_EXACT_MATCH (".idata$6"), \ | |
2000 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 1 }, \ | |
2001 | { COFF_SECTION_NAME_EXACT_MATCH (".reloc"), \ | |
2002 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 1 } | |
2003 | ||
252b5132 | 2004 | #include "coffcode.h" |
252b5132 | 2005 | \f |
252b5132 RH |
2006 | #ifndef COFF_IMAGE_WITH_PE |
2007 | ||
b34976b6 | 2008 | static bfd_boolean ppc_do_last PARAMS ((bfd *)); |
252b5132 RH |
2009 | static bfd *ppc_get_last PARAMS ((void)); |
2010 | ||
b34976b6 | 2011 | static bfd_boolean |
252b5132 RH |
2012 | ppc_do_last (abfd) |
2013 | bfd *abfd; | |
2014 | { | |
2015 | if (abfd == bfd_of_toc_owner) | |
b34976b6 | 2016 | return TRUE; |
252b5132 | 2017 | else |
b34976b6 | 2018 | return FALSE; |
252b5132 RH |
2019 | } |
2020 | ||
2021 | static bfd * | |
2022 | ppc_get_last() | |
2023 | { | |
2024 | return bfd_of_toc_owner; | |
2025 | } | |
2026 | ||
2ab1486e | 2027 | /* This piece of machinery exists only to guarantee that the bfd that holds |
43646c9d | 2028 | the toc section is written last. |
252b5132 RH |
2029 | |
2030 | This does depend on bfd_make_section attaching a new section to the | |
43646c9d | 2031 | end of the section list for the bfd. |
252b5132 | 2032 | |
43646c9d KH |
2033 | This is otherwise intended to be functionally the same as |
2034 | cofflink.c:_bfd_coff_final_link(). It is specifically different only | |
2035 | where the POWERPC_LE_PE macro modifies the code. It is left in as a | |
2ab1486e | 2036 | precise form of comment. krk@cygnus.com */ |
252b5132 | 2037 | |
252b5132 RH |
2038 | /* Do the final link step. */ |
2039 | ||
b34976b6 | 2040 | bfd_boolean |
252b5132 RH |
2041 | ppc_bfd_coff_final_link (abfd, info) |
2042 | bfd *abfd; | |
2043 | struct bfd_link_info *info; | |
2044 | { | |
2045 | bfd_size_type symesz; | |
2046 | struct coff_final_link_info finfo; | |
b34976b6 | 2047 | bfd_boolean debug_merge_allocated; |
252b5132 RH |
2048 | asection *o; |
2049 | struct bfd_link_order *p; | |
dc810e39 AM |
2050 | bfd_size_type max_sym_count; |
2051 | bfd_size_type max_lineno_count; | |
2052 | bfd_size_type max_reloc_count; | |
2053 | bfd_size_type max_output_reloc_count; | |
2054 | bfd_size_type max_contents_size; | |
252b5132 RH |
2055 | file_ptr rel_filepos; |
2056 | unsigned int relsz; | |
2057 | file_ptr line_filepos; | |
2058 | unsigned int linesz; | |
2059 | bfd *sub; | |
2060 | bfd_byte *external_relocs = NULL; | |
2061 | char strbuf[STRING_SIZE_SIZE]; | |
dc810e39 | 2062 | bfd_size_type amt; |
252b5132 RH |
2063 | |
2064 | symesz = bfd_coff_symesz (abfd); | |
2065 | ||
2066 | finfo.info = info; | |
2067 | finfo.output_bfd = abfd; | |
2068 | finfo.strtab = NULL; | |
2069 | finfo.section_info = NULL; | |
2070 | finfo.last_file_index = -1; | |
2071 | finfo.last_bf_index = -1; | |
2072 | finfo.internal_syms = NULL; | |
2073 | finfo.sec_ptrs = NULL; | |
2074 | finfo.sym_indices = NULL; | |
2075 | finfo.outsyms = NULL; | |
2076 | finfo.linenos = NULL; | |
2077 | finfo.contents = NULL; | |
2078 | finfo.external_relocs = NULL; | |
2079 | finfo.internal_relocs = NULL; | |
b34976b6 | 2080 | debug_merge_allocated = FALSE; |
252b5132 RH |
2081 | |
2082 | coff_data (abfd)->link_info = info; | |
2083 | ||
2084 | finfo.strtab = _bfd_stringtab_init (); | |
2085 | if (finfo.strtab == NULL) | |
2086 | goto error_return; | |
2087 | ||
2088 | if (! coff_debug_merge_hash_table_init (&finfo.debug_merge)) | |
2089 | goto error_return; | |
b34976b6 | 2090 | debug_merge_allocated = TRUE; |
252b5132 RH |
2091 | |
2092 | /* Compute the file positions for all the sections. */ | |
2093 | if (! abfd->output_has_begun) | |
2094 | { | |
2095 | if (! bfd_coff_compute_section_file_positions (abfd)) | |
b34976b6 | 2096 | return FALSE; |
252b5132 RH |
2097 | } |
2098 | ||
2099 | /* Count the line numbers and relocation entries required for the | |
2100 | output file. Set the file positions for the relocs. */ | |
2101 | rel_filepos = obj_relocbase (abfd); | |
2102 | relsz = bfd_coff_relsz (abfd); | |
2103 | max_contents_size = 0; | |
2104 | max_lineno_count = 0; | |
2105 | max_reloc_count = 0; | |
2106 | ||
2107 | for (o = abfd->sections; o != NULL; o = o->next) | |
2108 | { | |
2109 | o->reloc_count = 0; | |
2110 | o->lineno_count = 0; | |
2ab1486e | 2111 | |
8423293d | 2112 | for (p = o->map_head.link_order; p != NULL; p = p->next) |
252b5132 | 2113 | { |
252b5132 RH |
2114 | if (p->type == bfd_indirect_link_order) |
2115 | { | |
2116 | asection *sec; | |
2117 | ||
2118 | sec = p->u.indirect.section; | |
2119 | ||
2120 | /* Mark all sections which are to be included in the | |
2121 | link. This will normally be every section. We need | |
2122 | to do this so that we can identify any sections which | |
2123 | the linker has decided to not include. */ | |
b34976b6 | 2124 | sec->linker_mark = TRUE; |
252b5132 RH |
2125 | |
2126 | if (info->strip == strip_none | |
2127 | || info->strip == strip_some) | |
2128 | o->lineno_count += sec->lineno_count; | |
2129 | ||
1049f94e | 2130 | if (info->relocatable) |
252b5132 RH |
2131 | o->reloc_count += sec->reloc_count; |
2132 | ||
3722b82f AM |
2133 | if (sec->rawsize > max_contents_size) |
2134 | max_contents_size = sec->rawsize; | |
eea6121a AM |
2135 | if (sec->size > max_contents_size) |
2136 | max_contents_size = sec->size; | |
252b5132 RH |
2137 | if (sec->lineno_count > max_lineno_count) |
2138 | max_lineno_count = sec->lineno_count; | |
2139 | if (sec->reloc_count > max_reloc_count) | |
2140 | max_reloc_count = sec->reloc_count; | |
2141 | } | |
1049f94e | 2142 | else if (info->relocatable |
252b5132 RH |
2143 | && (p->type == bfd_section_reloc_link_order |
2144 | || p->type == bfd_symbol_reloc_link_order)) | |
2145 | ++o->reloc_count; | |
2146 | } | |
2147 | if (o->reloc_count == 0) | |
2148 | o->rel_filepos = 0; | |
2149 | else | |
2150 | { | |
2151 | o->flags |= SEC_RELOC; | |
2152 | o->rel_filepos = rel_filepos; | |
2153 | rel_filepos += o->reloc_count * relsz; | |
2154 | } | |
2155 | } | |
2156 | ||
1049f94e | 2157 | /* If doing a relocatable link, allocate space for the pointers we |
252b5132 | 2158 | need to keep. */ |
1049f94e | 2159 | if (info->relocatable) |
252b5132 RH |
2160 | { |
2161 | unsigned int i; | |
2162 | ||
2163 | /* We use section_count + 1, rather than section_count, because | |
2164 | the target_index fields are 1 based. */ | |
dc810e39 AM |
2165 | amt = abfd->section_count + 1; |
2166 | amt *= sizeof (struct coff_link_section_info); | |
2167 | finfo.section_info = (struct coff_link_section_info *) bfd_malloc (amt); | |
2ab1486e | 2168 | |
252b5132 RH |
2169 | if (finfo.section_info == NULL) |
2170 | goto error_return; | |
2ab1486e | 2171 | |
252b5132 RH |
2172 | for (i = 0; i <= abfd->section_count; i++) |
2173 | { | |
2174 | finfo.section_info[i].relocs = NULL; | |
2175 | finfo.section_info[i].rel_hashes = NULL; | |
2176 | } | |
2177 | } | |
2178 | ||
2179 | /* We now know the size of the relocs, so we can determine the file | |
2180 | positions of the line numbers. */ | |
2181 | line_filepos = rel_filepos; | |
2182 | linesz = bfd_coff_linesz (abfd); | |
2183 | max_output_reloc_count = 0; | |
2ab1486e | 2184 | |
252b5132 RH |
2185 | for (o = abfd->sections; o != NULL; o = o->next) |
2186 | { | |
2187 | if (o->lineno_count == 0) | |
2188 | o->line_filepos = 0; | |
2189 | else | |
2190 | { | |
2191 | o->line_filepos = line_filepos; | |
2192 | line_filepos += o->lineno_count * linesz; | |
2193 | } | |
2194 | ||
2195 | if (o->reloc_count != 0) | |
2196 | { | |
2197 | /* We don't know the indices of global symbols until we have | |
2198 | written out all the local symbols. For each section in | |
2199 | the output file, we keep an array of pointers to hash | |
2200 | table entries. Each entry in the array corresponds to a | |
2201 | reloc. When we find a reloc against a global symbol, we | |
2202 | set the corresponding entry in this array so that we can | |
2203 | fix up the symbol index after we have written out all the | |
2204 | local symbols. | |
2205 | ||
2206 | Because of this problem, we also keep the relocs in | |
2207 | memory until the end of the link. This wastes memory, | |
1049f94e | 2208 | but only when doing a relocatable link, which is not the |
252b5132 | 2209 | common case. */ |
1049f94e | 2210 | BFD_ASSERT (info->relocatable); |
dc810e39 AM |
2211 | amt = o->reloc_count; |
2212 | amt *= sizeof (struct internal_reloc); | |
252b5132 | 2213 | finfo.section_info[o->target_index].relocs = |
dc810e39 AM |
2214 | (struct internal_reloc *) bfd_malloc (amt); |
2215 | amt = o->reloc_count; | |
2216 | amt *= sizeof (struct coff_link_hash_entry *); | |
252b5132 | 2217 | finfo.section_info[o->target_index].rel_hashes = |
dc810e39 | 2218 | (struct coff_link_hash_entry **) bfd_malloc (amt); |
252b5132 RH |
2219 | if (finfo.section_info[o->target_index].relocs == NULL |
2220 | || finfo.section_info[o->target_index].rel_hashes == NULL) | |
2221 | goto error_return; | |
2222 | ||
2223 | if (o->reloc_count > max_output_reloc_count) | |
2224 | max_output_reloc_count = o->reloc_count; | |
2225 | } | |
2226 | ||
2227 | /* Reset the reloc and lineno counts, so that we can use them to | |
2228 | count the number of entries we have output so far. */ | |
2229 | o->reloc_count = 0; | |
2230 | o->lineno_count = 0; | |
2231 | } | |
2232 | ||
2233 | obj_sym_filepos (abfd) = line_filepos; | |
2234 | ||
2235 | /* Figure out the largest number of symbols in an input BFD. Take | |
2236 | the opportunity to clear the output_has_begun fields of all the | |
2237 | input BFD's. */ | |
2238 | max_sym_count = 0; | |
2239 | for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) | |
2240 | { | |
dc810e39 | 2241 | bfd_size_type sz; |
252b5132 | 2242 | |
b34976b6 | 2243 | sub->output_has_begun = FALSE; |
252b5132 RH |
2244 | sz = obj_raw_syment_count (sub); |
2245 | if (sz > max_sym_count) | |
2246 | max_sym_count = sz; | |
2247 | } | |
2248 | ||
2249 | /* Allocate some buffers used while linking. */ | |
dc810e39 AM |
2250 | amt = max_sym_count * sizeof (struct internal_syment); |
2251 | finfo.internal_syms = (struct internal_syment *) bfd_malloc (amt); | |
2252 | amt = max_sym_count * sizeof (asection *); | |
2253 | finfo.sec_ptrs = (asection **) bfd_malloc (amt); | |
2254 | amt = max_sym_count * sizeof (long); | |
2255 | finfo.sym_indices = (long *) bfd_malloc (amt); | |
2256 | amt = (max_sym_count + 1) * symesz; | |
2257 | finfo.outsyms = (bfd_byte *) bfd_malloc (amt); | |
2258 | amt = max_lineno_count * bfd_coff_linesz (abfd); | |
2259 | finfo.linenos = (bfd_byte *) bfd_malloc (amt); | |
252b5132 RH |
2260 | finfo.contents = (bfd_byte *) bfd_malloc (max_contents_size); |
2261 | finfo.external_relocs = (bfd_byte *) bfd_malloc (max_reloc_count * relsz); | |
1049f94e | 2262 | if (! info->relocatable) |
dc810e39 AM |
2263 | { |
2264 | amt = max_reloc_count * sizeof (struct internal_reloc); | |
2265 | finfo.internal_relocs = (struct internal_reloc *) bfd_malloc (amt); | |
2266 | } | |
252b5132 RH |
2267 | if ((finfo.internal_syms == NULL && max_sym_count > 0) |
2268 | || (finfo.sec_ptrs == NULL && max_sym_count > 0) | |
2269 | || (finfo.sym_indices == NULL && max_sym_count > 0) | |
2270 | || finfo.outsyms == NULL | |
2271 | || (finfo.linenos == NULL && max_lineno_count > 0) | |
2272 | || (finfo.contents == NULL && max_contents_size > 0) | |
2273 | || (finfo.external_relocs == NULL && max_reloc_count > 0) | |
1049f94e | 2274 | || (! info->relocatable |
252b5132 RH |
2275 | && finfo.internal_relocs == NULL |
2276 | && max_reloc_count > 0)) | |
2277 | goto error_return; | |
2278 | ||
2279 | /* We now know the position of everything in the file, except that | |
2280 | we don't know the size of the symbol table and therefore we don't | |
2281 | know where the string table starts. We just build the string | |
2282 | table in memory as we go along. We process all the relocations | |
2283 | for a single input file at once. */ | |
2284 | obj_raw_syment_count (abfd) = 0; | |
2285 | ||
2286 | if (coff_backend_info (abfd)->_bfd_coff_start_final_link) | |
2287 | { | |
2288 | if (! bfd_coff_start_final_link (abfd, info)) | |
2289 | goto error_return; | |
2290 | } | |
2291 | ||
2292 | for (o = abfd->sections; o != NULL; o = o->next) | |
2293 | { | |
8423293d | 2294 | for (p = o->map_head.link_order; p != NULL; p = p->next) |
252b5132 RH |
2295 | { |
2296 | if (p->type == bfd_indirect_link_order | |
2297 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
2298 | == bfd_target_coff_flavour)) | |
2299 | { | |
2300 | sub = p->u.indirect.section->owner; | |
2301 | #ifdef POWERPC_LE_PE | |
2302 | if (! sub->output_has_begun && !ppc_do_last(sub)) | |
2303 | #else | |
2304 | if (! sub->output_has_begun) | |
2305 | #endif | |
2306 | { | |
2307 | if (! _bfd_coff_link_input_bfd (&finfo, sub)) | |
2308 | goto error_return; | |
b34976b6 | 2309 | sub->output_has_begun = TRUE; |
252b5132 RH |
2310 | } |
2311 | } | |
2312 | else if (p->type == bfd_section_reloc_link_order | |
2313 | || p->type == bfd_symbol_reloc_link_order) | |
2314 | { | |
2315 | if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p)) | |
2316 | goto error_return; | |
2317 | } | |
2318 | else | |
2319 | { | |
2320 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
2321 | goto error_return; | |
2322 | } | |
2323 | } | |
2324 | } | |
2325 | ||
2326 | #ifdef POWERPC_LE_PE | |
2327 | { | |
2328 | bfd* last_one = ppc_get_last(); | |
2329 | if (last_one) | |
2330 | { | |
2331 | if (! _bfd_coff_link_input_bfd (&finfo, last_one)) | |
2332 | goto error_return; | |
2333 | } | |
b34976b6 | 2334 | last_one->output_has_begun = TRUE; |
252b5132 RH |
2335 | } |
2336 | #endif | |
2337 | ||
2338 | /* Free up the buffers used by _bfd_coff_link_input_bfd. */ | |
252b5132 | 2339 | coff_debug_merge_hash_table_free (&finfo.debug_merge); |
b34976b6 | 2340 | debug_merge_allocated = FALSE; |
252b5132 RH |
2341 | |
2342 | if (finfo.internal_syms != NULL) | |
2343 | { | |
2344 | free (finfo.internal_syms); | |
2345 | finfo.internal_syms = NULL; | |
2346 | } | |
2347 | if (finfo.sec_ptrs != NULL) | |
2348 | { | |
2349 | free (finfo.sec_ptrs); | |
2350 | finfo.sec_ptrs = NULL; | |
2351 | } | |
2352 | if (finfo.sym_indices != NULL) | |
2353 | { | |
2354 | free (finfo.sym_indices); | |
2355 | finfo.sym_indices = NULL; | |
2356 | } | |
2357 | if (finfo.linenos != NULL) | |
2358 | { | |
2359 | free (finfo.linenos); | |
2360 | finfo.linenos = NULL; | |
2361 | } | |
2362 | if (finfo.contents != NULL) | |
2363 | { | |
2364 | free (finfo.contents); | |
2365 | finfo.contents = NULL; | |
2366 | } | |
2367 | if (finfo.external_relocs != NULL) | |
2368 | { | |
2369 | free (finfo.external_relocs); | |
2370 | finfo.external_relocs = NULL; | |
2371 | } | |
2372 | if (finfo.internal_relocs != NULL) | |
2373 | { | |
2374 | free (finfo.internal_relocs); | |
2375 | finfo.internal_relocs = NULL; | |
2376 | } | |
2377 | ||
2378 | /* The value of the last C_FILE symbol is supposed to be the symbol | |
2379 | index of the first external symbol. Write it out again if | |
2380 | necessary. */ | |
2381 | if (finfo.last_file_index != -1 | |
2382 | && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd)) | |
2383 | { | |
dc810e39 AM |
2384 | file_ptr pos; |
2385 | ||
252b5132 RH |
2386 | finfo.last_file.n_value = obj_raw_syment_count (abfd); |
2387 | bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file, | |
2388 | (PTR) finfo.outsyms); | |
dc810e39 AM |
2389 | pos = obj_sym_filepos (abfd) + finfo.last_file_index * symesz; |
2390 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2391 | || bfd_bwrite (finfo.outsyms, symesz, abfd) != symesz) | |
b34976b6 | 2392 | return FALSE; |
252b5132 RH |
2393 | } |
2394 | ||
2395 | /* Write out the global symbols. */ | |
b34976b6 | 2396 | finfo.failed = FALSE; |
252b5132 RH |
2397 | coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_global_sym, |
2398 | (PTR) &finfo); | |
2399 | if (finfo.failed) | |
2400 | goto error_return; | |
2401 | ||
2402 | /* The outsyms buffer is used by _bfd_coff_write_global_sym. */ | |
2403 | if (finfo.outsyms != NULL) | |
2404 | { | |
2405 | free (finfo.outsyms); | |
2406 | finfo.outsyms = NULL; | |
2407 | } | |
2408 | ||
1049f94e | 2409 | if (info->relocatable) |
252b5132 RH |
2410 | { |
2411 | /* Now that we have written out all the global symbols, we know | |
2412 | the symbol indices to use for relocs against them, and we can | |
2413 | finally write out the relocs. */ | |
dc810e39 AM |
2414 | amt = max_output_reloc_count * relsz; |
2415 | external_relocs = (bfd_byte *) bfd_malloc (amt); | |
252b5132 RH |
2416 | if (external_relocs == NULL) |
2417 | goto error_return; | |
2418 | ||
2419 | for (o = abfd->sections; o != NULL; o = o->next) | |
2420 | { | |
2421 | struct internal_reloc *irel; | |
2422 | struct internal_reloc *irelend; | |
2423 | struct coff_link_hash_entry **rel_hash; | |
2424 | bfd_byte *erel; | |
2425 | ||
2426 | if (o->reloc_count == 0) | |
2427 | continue; | |
2428 | ||
2429 | irel = finfo.section_info[o->target_index].relocs; | |
2430 | irelend = irel + o->reloc_count; | |
2431 | rel_hash = finfo.section_info[o->target_index].rel_hashes; | |
2432 | erel = external_relocs; | |
2433 | for (; irel < irelend; irel++, rel_hash++, erel += relsz) | |
2434 | { | |
2435 | if (*rel_hash != NULL) | |
2436 | { | |
2437 | BFD_ASSERT ((*rel_hash)->indx >= 0); | |
2438 | irel->r_symndx = (*rel_hash)->indx; | |
2439 | } | |
2440 | bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel); | |
2441 | } | |
2442 | ||
dc810e39 | 2443 | amt = relsz * o->reloc_count; |
252b5132 | 2444 | if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0 |
dc810e39 | 2445 | || bfd_bwrite ((PTR) external_relocs, amt, abfd) != amt) |
252b5132 RH |
2446 | goto error_return; |
2447 | } | |
2448 | ||
2449 | free (external_relocs); | |
2450 | external_relocs = NULL; | |
2451 | } | |
2452 | ||
2453 | /* Free up the section information. */ | |
2454 | if (finfo.section_info != NULL) | |
2455 | { | |
2456 | unsigned int i; | |
2457 | ||
2458 | for (i = 0; i < abfd->section_count; i++) | |
2459 | { | |
2460 | if (finfo.section_info[i].relocs != NULL) | |
2461 | free (finfo.section_info[i].relocs); | |
2462 | if (finfo.section_info[i].rel_hashes != NULL) | |
2463 | free (finfo.section_info[i].rel_hashes); | |
2464 | } | |
2465 | free (finfo.section_info); | |
2466 | finfo.section_info = NULL; | |
2467 | } | |
2468 | ||
2469 | /* If we have optimized stabs strings, output them. */ | |
3722b82f | 2470 | if (coff_hash_table (info)->stab_info.stabstr != NULL) |
252b5132 RH |
2471 | { |
2472 | if (! _bfd_write_stab_strings (abfd, &coff_hash_table (info)->stab_info)) | |
b34976b6 | 2473 | return FALSE; |
252b5132 RH |
2474 | } |
2475 | ||
2476 | /* Write out the string table. */ | |
2477 | if (obj_raw_syment_count (abfd) != 0) | |
2478 | { | |
dc810e39 AM |
2479 | file_ptr pos; |
2480 | ||
2481 | pos = obj_sym_filepos (abfd) + obj_raw_syment_count (abfd) * symesz; | |
2482 | if (bfd_seek (abfd, pos, SEEK_SET) != 0) | |
b34976b6 | 2483 | return FALSE; |
252b5132 RH |
2484 | |
2485 | #if STRING_SIZE_SIZE == 4 | |
dc810e39 AM |
2486 | H_PUT_32 (abfd, |
2487 | _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE, | |
2488 | strbuf); | |
252b5132 | 2489 | #else |
dc810e39 | 2490 | #error Change H_PUT_32 above |
252b5132 RH |
2491 | #endif |
2492 | ||
dc810e39 AM |
2493 | if (bfd_bwrite (strbuf, (bfd_size_type) STRING_SIZE_SIZE, abfd) |
2494 | != STRING_SIZE_SIZE) | |
b34976b6 | 2495 | return FALSE; |
252b5132 RH |
2496 | |
2497 | if (! _bfd_stringtab_emit (abfd, finfo.strtab)) | |
b34976b6 | 2498 | return FALSE; |
252b5132 RH |
2499 | } |
2500 | ||
2501 | _bfd_stringtab_free (finfo.strtab); | |
2502 | ||
2503 | /* Setting bfd_get_symcount to 0 will cause write_object_contents to | |
2504 | not try to write out the symbols. */ | |
2505 | bfd_get_symcount (abfd) = 0; | |
2506 | ||
b34976b6 | 2507 | return TRUE; |
252b5132 RH |
2508 | |
2509 | error_return: | |
2510 | if (debug_merge_allocated) | |
2511 | coff_debug_merge_hash_table_free (&finfo.debug_merge); | |
2512 | if (finfo.strtab != NULL) | |
2513 | _bfd_stringtab_free (finfo.strtab); | |
2514 | if (finfo.section_info != NULL) | |
2515 | { | |
2516 | unsigned int i; | |
2517 | ||
2518 | for (i = 0; i < abfd->section_count; i++) | |
2519 | { | |
2520 | if (finfo.section_info[i].relocs != NULL) | |
2521 | free (finfo.section_info[i].relocs); | |
2522 | if (finfo.section_info[i].rel_hashes != NULL) | |
2523 | free (finfo.section_info[i].rel_hashes); | |
2524 | } | |
2525 | free (finfo.section_info); | |
2526 | } | |
2527 | if (finfo.internal_syms != NULL) | |
2528 | free (finfo.internal_syms); | |
2529 | if (finfo.sec_ptrs != NULL) | |
2530 | free (finfo.sec_ptrs); | |
2531 | if (finfo.sym_indices != NULL) | |
2532 | free (finfo.sym_indices); | |
2533 | if (finfo.outsyms != NULL) | |
2534 | free (finfo.outsyms); | |
2535 | if (finfo.linenos != NULL) | |
2536 | free (finfo.linenos); | |
2537 | if (finfo.contents != NULL) | |
2538 | free (finfo.contents); | |
2539 | if (finfo.external_relocs != NULL) | |
2540 | free (finfo.external_relocs); | |
2541 | if (finfo.internal_relocs != NULL) | |
2542 | free (finfo.internal_relocs); | |
2543 | if (external_relocs != NULL) | |
2544 | free (external_relocs); | |
b34976b6 | 2545 | return FALSE; |
252b5132 RH |
2546 | } |
2547 | #endif | |
2548 | \f | |
c3c89269 NC |
2549 | /* Forward declaration for use by alternative_target field. */ |
2550 | #ifdef TARGET_BIG_SYM | |
2551 | extern const bfd_target TARGET_BIG_SYM; | |
2552 | #endif | |
2553 | ||
43646c9d | 2554 | /* The transfer vectors that lead the outside world to all of the above. */ |
252b5132 RH |
2555 | |
2556 | #ifdef TARGET_LITTLE_SYM | |
c3c89269 | 2557 | const bfd_target TARGET_LITTLE_SYM = |
252b5132 RH |
2558 | { |
2559 | TARGET_LITTLE_NAME, /* name or coff-arm-little */ | |
2560 | bfd_target_coff_flavour, | |
2561 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
2562 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
2563 | ||
2564 | (HAS_RELOC | EXEC_P | /* FIXME: object flags */ | |
2565 | HAS_LINENO | HAS_DEBUG | | |
2566 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
43646c9d | 2567 | |
252b5132 RH |
2568 | #ifndef COFF_WITH_PE |
2569 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ | |
2570 | #else | |
2571 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */ | |
2572 | | SEC_LINK_ONCE | SEC_LINK_DUPLICATES), | |
2573 | #endif | |
2574 | ||
2575 | 0, /* leading char */ | |
2576 | '/', /* ar_pad_char */ | |
2577 | 15, /* ar_max_namelen??? FIXMEmgo */ | |
2578 | ||
2579 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
2580 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
2581 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
2582 | ||
2583 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
2584 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
2585 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
43646c9d | 2586 | |
252b5132 RH |
2587 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
2588 | bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p }, | |
2589 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
2590 | bfd_false}, | |
2591 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ | |
2592 | _bfd_write_archive_contents, bfd_false}, | |
43646c9d | 2593 | |
252b5132 RH |
2594 | BFD_JUMP_TABLE_GENERIC (coff), |
2595 | BFD_JUMP_TABLE_COPY (coff), | |
2596 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
2597 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
2598 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
2599 | BFD_JUMP_TABLE_RELOCS (coff), | |
2600 | BFD_JUMP_TABLE_WRITE (coff), | |
2601 | BFD_JUMP_TABLE_LINK (coff), | |
2602 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
c3c89269 NC |
2603 | |
2604 | /* Alternative_target. */ | |
2605 | #ifdef TARGET_BIG_SYM | |
2606 | & TARGET_BIG_SYM, | |
2607 | #else | |
2608 | NULL, | |
2609 | #endif | |
43646c9d | 2610 | |
c3c89269 | 2611 | COFF_SWAP_TABLE |
252b5132 RH |
2612 | }; |
2613 | #endif | |
2614 | ||
2615 | #ifdef TARGET_BIG_SYM | |
c3c89269 | 2616 | const bfd_target TARGET_BIG_SYM = |
252b5132 RH |
2617 | { |
2618 | TARGET_BIG_NAME, | |
43646c9d | 2619 | bfd_target_coff_flavour, |
252b5132 RH |
2620 | BFD_ENDIAN_BIG, /* data byte order is big */ |
2621 | BFD_ENDIAN_BIG, /* header byte order is big */ | |
2622 | ||
2623 | (HAS_RELOC | EXEC_P | /* FIXME: object flags */ | |
2624 | HAS_LINENO | HAS_DEBUG | | |
2625 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), | |
2626 | ||
2627 | #ifndef COFF_WITH_PE | |
2628 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ | |
2629 | #else | |
2630 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */ | |
2631 | | SEC_LINK_ONCE | SEC_LINK_DUPLICATES), | |
2632 | #endif | |
2633 | ||
2634 | 0, /* leading char */ | |
2635 | '/', /* ar_pad_char */ | |
2636 | 15, /* ar_max_namelen??? FIXMEmgo */ | |
2637 | ||
2638 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
2639 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
2640 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
2641 | ||
2642 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
2643 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
2644 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
2645 | ||
2646 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
2647 | bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p }, | |
2648 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
2649 | bfd_false}, | |
2650 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ | |
2651 | _bfd_write_archive_contents, bfd_false}, | |
2652 | ||
2653 | BFD_JUMP_TABLE_GENERIC (coff), | |
2654 | BFD_JUMP_TABLE_COPY (coff), | |
2655 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
2656 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
2657 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
2658 | BFD_JUMP_TABLE_RELOCS (coff), | |
2659 | BFD_JUMP_TABLE_WRITE (coff), | |
2660 | BFD_JUMP_TABLE_LINK (coff), | |
2661 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
2662 | ||
c3c89269 NC |
2663 | /* Alternative_target. */ |
2664 | #ifdef TARGET_LITTLE_SYM | |
2665 | & TARGET_LITTLE_SYM, | |
2666 | #else | |
2667 | NULL, | |
2668 | #endif | |
43646c9d | 2669 | |
c3c89269 | 2670 | COFF_SWAP_TABLE |
252b5132 RH |
2671 | }; |
2672 | ||
2673 | #endif |