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[gdb/gnu.git] / bfd / coff64-rs6000.c
blob6c92e26a9f00cb979fc425e0de56cca097c43de5
1 /* BFD back-end for IBM RS/6000 "XCOFF64" files.
2 Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
3 2010, 2011
4 Free Software Foundation, Inc.
5 Written Clinton Popetz.
6 Contributed by Cygnus Support.
7
8 This file is part of BFD, the Binary File Descriptor library.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23 MA 02110-1301, USA. */
24
25 #include "sysdep.h"
26 #include "bfd.h"
27 #include "bfdlink.h"
28 #include "libbfd.h"
29 #include "coff/internal.h"
30 #include "coff/xcoff.h"
31 #include "coff/rs6k64.h"
32 #include "libcoff.h"
33 #include "libxcoff.h"
34
35 #define GET_FILEHDR_SYMPTR H_GET_64
36 #define PUT_FILEHDR_SYMPTR H_PUT_64
37 #define GET_AOUTHDR_DATA_START H_GET_64
38 #define PUT_AOUTHDR_DATA_START H_PUT_64
39 #define GET_AOUTHDR_TEXT_START H_GET_64
40 #define PUT_AOUTHDR_TEXT_START H_PUT_64
41 #define GET_AOUTHDR_TSIZE H_GET_64
42 #define PUT_AOUTHDR_TSIZE H_PUT_64
43 #define GET_AOUTHDR_DSIZE H_GET_64
44 #define PUT_AOUTHDR_DSIZE H_PUT_64
45 #define GET_AOUTHDR_BSIZE H_GET_64
46 #define PUT_AOUTHDR_BSIZE H_PUT_64
47 #define GET_AOUTHDR_ENTRY H_GET_64
48 #define PUT_AOUTHDR_ENTRY H_PUT_64
49 #define GET_SCNHDR_PADDR H_GET_64
50 #define PUT_SCNHDR_PADDR H_PUT_64
51 #define GET_SCNHDR_VADDR H_GET_64
52 #define PUT_SCNHDR_VADDR H_PUT_64
53 #define GET_SCNHDR_SIZE H_GET_64
54 #define PUT_SCNHDR_SIZE H_PUT_64
55 #define GET_SCNHDR_SCNPTR H_GET_64
56 #define PUT_SCNHDR_SCNPTR H_PUT_64
57 #define GET_SCNHDR_RELPTR H_GET_64
58 #define PUT_SCNHDR_RELPTR H_PUT_64
59 #define GET_SCNHDR_LNNOPTR H_GET_64
60 #define PUT_SCNHDR_LNNOPTR H_PUT_64
61 #define GET_SCNHDR_NRELOC H_GET_32
62 #define MAX_SCNHDR_NRELOC 0xffffffff
63 #define PUT_SCNHDR_NRELOC H_PUT_32
64 #define GET_SCNHDR_NLNNO H_GET_32
65 #define MAX_SCNHDR_NLNNO 0xffffffff
66 #define PUT_SCNHDR_NLNNO H_PUT_32
67 #define GET_RELOC_VADDR H_GET_64
68 #define PUT_RELOC_VADDR H_PUT_64
69
70 #define COFF_FORCE_SYMBOLS_IN_STRINGS
71 #define COFF_DEBUG_STRING_WIDE_PREFIX
72
73
74 #define COFF_ADJUST_SCNHDR_OUT_POST(ABFD, INT, EXT) \
75 do \
76 { \
77 memset (((SCNHDR *) EXT)->s_pad, 0, \
78 sizeof (((SCNHDR *) EXT)->s_pad)); \
79 } \
80 while (0)
81
82 #define NO_COFF_LINENOS
83
84 #define coff_SWAP_lineno_in _bfd_xcoff64_swap_lineno_in
85 #define coff_SWAP_lineno_out _bfd_xcoff64_swap_lineno_out
86
87 static void _bfd_xcoff64_swap_lineno_in
88 (bfd *, void *, void *);
89 static unsigned int _bfd_xcoff64_swap_lineno_out
90 (bfd *, void *, void *);
91 static bfd_boolean _bfd_xcoff64_put_symbol_name
92 (bfd *, struct bfd_strtab_hash *, struct internal_syment *, const char *);
93 static bfd_boolean _bfd_xcoff64_put_ldsymbol_name
94 (bfd *, struct xcoff_loader_info *, struct internal_ldsym *, const char *);
95 static void _bfd_xcoff64_swap_sym_in
96 (bfd *, void *, void *);
97 static unsigned int _bfd_xcoff64_swap_sym_out
98 (bfd *, void *, void *);
99 static void _bfd_xcoff64_swap_aux_in
100 (bfd *, void *, int, int, int, int, void *);
101 static unsigned int _bfd_xcoff64_swap_aux_out
102 (bfd *, void *, int, int, int, int, void *);
103 static void xcoff64_swap_reloc_in
104 (bfd *, void *, void *);
105 static unsigned int xcoff64_swap_reloc_out
106 (bfd *, void *, void *);
107 extern bfd_boolean _bfd_xcoff_mkobject
108 (bfd *);
109 extern bfd_boolean _bfd_xcoff_copy_private_bfd_data
110 (bfd *, bfd *);
111 extern bfd_boolean _bfd_xcoff_is_local_label_name
112 (bfd *, const char *);
113 extern void xcoff64_rtype2howto
114 (arelent *, struct internal_reloc *);
115 extern reloc_howto_type * xcoff64_reloc_type_lookup
116 (bfd *, bfd_reloc_code_real_type);
117 extern bfd_boolean _bfd_xcoff_slurp_armap
118 (bfd *);
119 extern void *_bfd_xcoff_read_ar_hdr
120 (bfd *);
121 extern bfd *_bfd_xcoff_openr_next_archived_file
122 (bfd *, bfd *);
123 extern int _bfd_xcoff_stat_arch_elt
124 (bfd *, struct stat *);
125 extern bfd_boolean _bfd_xcoff_write_armap
126 (bfd *, unsigned int, struct orl *, unsigned int, int);
127 extern bfd_boolean _bfd_xcoff_write_archive_contents
128 (bfd *);
129 extern int _bfd_xcoff_sizeof_headers
130 (bfd *, struct bfd_link_info *);
131 extern void _bfd_xcoff_swap_sym_in
132 (bfd *, void *, void *);
133 extern unsigned int _bfd_xcoff_swap_sym_out
134 (bfd *, void *, void *);
135 extern void _bfd_xcoff_swap_aux_in
136 (bfd *, void *, int, int, int, int, void *);
137 extern unsigned int _bfd_xcoff_swap_aux_out
138 (bfd *, void *, int, int, int, int, void *);
139 static void xcoff64_swap_ldhdr_in
140 (bfd *, const void *, struct internal_ldhdr *);
141 static void xcoff64_swap_ldhdr_out
142 (bfd *, const struct internal_ldhdr *, void *d);
143 static void xcoff64_swap_ldsym_in
144 (bfd *, const void *, struct internal_ldsym *);
145 static void xcoff64_swap_ldsym_out
146 (bfd *, const struct internal_ldsym *, void *d);
147 static void xcoff64_swap_ldrel_in
148 (bfd *, const void *, struct internal_ldrel *);
149 static void xcoff64_swap_ldrel_out
150 (bfd *, const struct internal_ldrel *, void *d);
151 static bfd_boolean xcoff64_write_object_contents
152 (bfd *);
153 static bfd_boolean xcoff64_ppc_relocate_section
154 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
155 struct internal_reloc *, struct internal_syment *,
156 asection **);
157 static bfd_boolean xcoff64_slurp_armap
158 (bfd *);
159 static const bfd_target *xcoff64_archive_p
160 (bfd *);
161 static bfd *xcoff64_openr_next_archived_file
162 (bfd *, bfd *);
163 static int xcoff64_sizeof_headers
164 (bfd *, struct bfd_link_info *);
165 static asection *xcoff64_create_csect_from_smclas
166 (bfd *, union internal_auxent *, const char *);
167 static bfd_boolean xcoff64_is_lineno_count_overflow
168 (bfd *, bfd_vma);
169 static bfd_boolean xcoff64_is_reloc_count_overflow
170 (bfd *, bfd_vma);
171 static bfd_vma xcoff64_loader_symbol_offset
172 (bfd *, struct internal_ldhdr *);
173 static bfd_vma xcoff64_loader_reloc_offset
174 (bfd *, struct internal_ldhdr *);
175 static bfd_boolean xcoff64_generate_rtinit
176 (bfd *, const char *, const char *, bfd_boolean);
177 static bfd_boolean xcoff64_bad_format_hook
178 (bfd *, void *);
179
180 /* Relocation functions */
181 static bfd_boolean xcoff64_reloc_type_br
182 (XCOFF_RELOC_FUNCTION_ARGS);
183
184 bfd_boolean (*xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION])
185 (XCOFF_RELOC_FUNCTION_ARGS) =
186 {
187 xcoff_reloc_type_pos, /* R_POS (0x00) */
188 xcoff_reloc_type_neg, /* R_NEG (0x01) */
189 xcoff_reloc_type_rel, /* R_REL (0x02) */
190 xcoff_reloc_type_toc, /* R_TOC (0x03) */
191 xcoff_reloc_type_fail, /* R_RTB (0x04) */
192 xcoff_reloc_type_toc, /* R_GL (0x05) */
193 xcoff_reloc_type_toc, /* R_TCL (0x06) */
194 xcoff_reloc_type_fail, /* (0x07) */
195 xcoff_reloc_type_ba, /* R_BA (0x08) */
196 xcoff_reloc_type_fail, /* (0x09) */
197 xcoff64_reloc_type_br, /* R_BR (0x0a) */
198 xcoff_reloc_type_fail, /* (0x0b) */
199 xcoff_reloc_type_pos, /* R_RL (0x0c) */
200 xcoff_reloc_type_pos, /* R_RLA (0x0d) */
201 xcoff_reloc_type_fail, /* (0x0e) */
202 xcoff_reloc_type_noop, /* R_REF (0x0f) */
203 xcoff_reloc_type_fail, /* (0x10) */
204 xcoff_reloc_type_fail, /* (0x11) */
205 xcoff_reloc_type_toc, /* R_TRL (0x12) */
206 xcoff_reloc_type_toc, /* R_TRLA (0x13) */
207 xcoff_reloc_type_fail, /* R_RRTBI (0x14) */
208 xcoff_reloc_type_fail, /* R_RRTBA (0x15) */
209 xcoff_reloc_type_ba, /* R_CAI (0x16) */
210 xcoff_reloc_type_crel, /* R_CREL (0x17) */
211 xcoff_reloc_type_ba, /* R_RBA (0x18) */
212 xcoff_reloc_type_ba, /* R_RBAC (0x19) */
213 xcoff64_reloc_type_br, /* R_RBR (0x1a) */
214 xcoff_reloc_type_ba, /* R_RBRC (0x1b) */
215 };
216
217 /* coffcode.h needs these to be defined. */
218 /* Internalcoff.h and coffcode.h modify themselves based on these flags. */
219 #define XCOFF64
220 #define RS6000COFF_C 1
221
222 #define SELECT_RELOC(internal, howto) \
223 { \
224 internal.r_type = howto->type; \
225 internal.r_size = \
226 ((howto->complain_on_overflow == complain_overflow_signed \
227 ? 0x80 \
228 : 0) \
229 | (howto->bitsize - 1)); \
230 }
231
232 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
233 #define COFF_LONG_FILENAMES
234 #define NO_COFF_SYMBOLS
235 #define RTYPE2HOWTO(cache_ptr, dst) xcoff64_rtype2howto (cache_ptr, dst)
236 #define coff_mkobject _bfd_xcoff_mkobject
237 #define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data
238 #define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name
239 #define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup
240 #define coff_bfd_reloc_name_lookup xcoff64_reloc_name_lookup
241 #ifdef AIX_CORE
242 extern const bfd_target * rs6000coff_core_p
243 (bfd *abfd);
244 extern bfd_boolean rs6000coff_core_file_matches_executable_p
245 (bfd *cbfd, bfd *ebfd);
246 extern char *rs6000coff_core_file_failing_command
247 (bfd *abfd);
248 extern int rs6000coff_core_file_failing_signal
249 (bfd *abfd);
250 #define CORE_FILE_P rs6000coff_core_p
251 #define coff_core_file_failing_command \
252 rs6000coff_core_file_failing_command
253 #define coff_core_file_failing_signal \
254 rs6000coff_core_file_failing_signal
255 #define coff_core_file_matches_executable_p \
256 rs6000coff_core_file_matches_executable_p
257 #define coff_core_file_pid \
258 _bfd_nocore_core_file_pid
259 #else
260 #define CORE_FILE_P _bfd_dummy_target
261 #define coff_core_file_failing_command \
262 _bfd_nocore_core_file_failing_command
263 #define coff_core_file_failing_signal \
264 _bfd_nocore_core_file_failing_signal
265 #define coff_core_file_matches_executable_p \
266 _bfd_nocore_core_file_matches_executable_p
267 #define coff_core_file_pid \
268 _bfd_nocore_core_file_pid
269 #endif
270 #define coff_SWAP_sym_in _bfd_xcoff64_swap_sym_in
271 #define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out
272 #define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in
273 #define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out
274 #define coff_swap_reloc_in xcoff64_swap_reloc_in
275 #define coff_swap_reloc_out xcoff64_swap_reloc_out
276 #define NO_COFF_RELOCS
277
278 #ifndef bfd_pe_print_pdata
279 #define bfd_pe_print_pdata NULL
280 #endif
281
282 #include "coffcode.h"
283
284 /* For XCOFF64, the effective width of symndx changes depending on
285 whether we are the first entry. Sigh. */
286 static void
287 _bfd_xcoff64_swap_lineno_in (bfd *abfd, void *ext1, void *in1)
288 {
289 LINENO *ext = (LINENO *) ext1;
290 struct internal_lineno *in = (struct internal_lineno *) in1;
291
292 in->l_lnno = H_GET_32 (abfd, (ext->l_lnno));
293 if (in->l_lnno == 0)
294 in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx);
295 else
296 in->l_addr.l_paddr = H_GET_64 (abfd, ext->l_addr.l_paddr);
297 }
298
299 static unsigned int
300 _bfd_xcoff64_swap_lineno_out (bfd *abfd, void *inp, void *outp)
301 {
302 struct internal_lineno *in = (struct internal_lineno *) inp;
303 struct external_lineno *ext = (struct external_lineno *) outp;
304
305 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
306 H_PUT_32 (abfd, in->l_lnno, (ext->l_lnno));
307
308 if (in->l_lnno == 0)
309 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
310 else
311 H_PUT_64 (abfd, in->l_addr.l_paddr, ext->l_addr.l_paddr);
312
313 return bfd_coff_linesz (abfd);
314 }
315
316 static void
317 _bfd_xcoff64_swap_sym_in (bfd *abfd, void *ext1, void *in1)
318 {
319 struct external_syment *ext = (struct external_syment *) ext1;
320 struct internal_syment *in = (struct internal_syment *) in1;
321
322 in->_n._n_n._n_zeroes = 0;
323 in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e_offset);
324 in->n_value = H_GET_64 (abfd, ext->e_value);
325 in->n_scnum = H_GET_16 (abfd, ext->e_scnum);
326 in->n_type = H_GET_16 (abfd, ext->e_type);
327 in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
328 in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
329 }
330
331 static unsigned int
332 _bfd_xcoff64_swap_sym_out (bfd *abfd, void *inp, void *extp)
333 {
334 struct internal_syment *in = (struct internal_syment *) inp;
335 struct external_syment *ext = (struct external_syment *) extp;
336
337 H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e_offset);
338 H_PUT_64 (abfd, in->n_value, ext->e_value);
339 H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);
340 H_PUT_16 (abfd, in->n_type, ext->e_type);
341 H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
342 H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
343 return bfd_coff_symesz (abfd);
344 }
345
346 static void
347 _bfd_xcoff64_swap_aux_in (bfd *abfd, void *ext1, int type, int in_class,
348 int indx, int numaux, void *in1)
349 {
350 union external_auxent *ext = (union external_auxent *) ext1;
351 union internal_auxent *in = (union internal_auxent *) in1;
352
353 switch (in_class)
354 {
355 case C_FILE:
356 if (ext->x_file.x_n.x_n.x_zeroes[0] == 0)
357 {
358 in->x_file.x_n.x_zeroes = 0;
359 in->x_file.x_n.x_offset =
360 H_GET_32 (abfd, ext->x_file.x_n.x_n.x_offset);
361 }
362 else
363 {
364 memcpy (in->x_file.x_fname, ext->x_file.x_n.x_fname, FILNMLEN);
365 }
366 goto end;
367
368 /* RS/6000 "csect" auxents */
369 case C_EXT:
370 case C_AIX_WEAKEXT:
371 case C_HIDEXT:
372 if (indx + 1 == numaux)
373 {
374 bfd_signed_vma h = 0;
375 bfd_vma l = 0;
376
377 h = H_GET_S32 (abfd, ext->x_csect.x_scnlen_hi);
378 l = H_GET_32 (abfd, ext->x_csect.x_scnlen_lo);
379
380 in->x_csect.x_scnlen.l = h << 32 | (l & 0xffffffff);
381
382 in->x_csect.x_parmhash = H_GET_32 (abfd, ext->x_csect.x_parmhash);
383 in->x_csect.x_snhash = H_GET_16 (abfd, ext->x_csect.x_snhash);
384 /* We don't have to hack bitfields in x_smtyp because it's
385 defined by shifts-and-ands, which are equivalent on all
386 byte orders. */
387 in->x_csect.x_smtyp = H_GET_8 (abfd, ext->x_csect.x_smtyp);
388 in->x_csect.x_smclas = H_GET_8 (abfd, ext->x_csect.x_smclas);
389 goto end;
390 }
391 break;
392
393 case C_STAT:
394 case C_LEAFSTAT:
395 case C_HIDDEN:
396 if (type == T_NULL)
397 {
398 /* PE defines some extra fields; we zero them out for
399 safety. */
400 in->x_scn.x_checksum = 0;
401 in->x_scn.x_associated = 0;
402 in->x_scn.x_comdat = 0;
403
404 goto end;
405 }
406 break;
407 }
408
409 if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
410 || ISTAG (in_class))
411 {
412 in->x_sym.x_fcnary.x_fcn.x_lnnoptr
413 = H_GET_64 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
414 in->x_sym.x_fcnary.x_fcn.x_endndx.l
415 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx);
416 }
417 if (ISFCN (type))
418 {
419 in->x_sym.x_misc.x_fsize
420 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_fsize);
421 }
422 else
423 {
424 in->x_sym.x_misc.x_lnsz.x_lnno
425 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_lnno);
426 in->x_sym.x_misc.x_lnsz.x_size
427 = H_GET_16 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_size);
428 }
429
430 end: ;
431 }
432
433 static unsigned int
434 _bfd_xcoff64_swap_aux_out (bfd *abfd, void *inp, int type, int in_class,
435 int indx ATTRIBUTE_UNUSED,
436 int numaux ATTRIBUTE_UNUSED,
437 void *extp)
438 {
439 union internal_auxent *in = (union internal_auxent *) inp;
440 union external_auxent *ext = (union external_auxent *) extp;
441
442 memset (ext, 0, bfd_coff_auxesz (abfd));
443 switch (in_class)
444 {
445 case C_FILE:
446 if (in->x_file.x_n.x_zeroes == 0)
447 {
448 H_PUT_32 (abfd, 0, ext->x_file.x_n.x_n.x_zeroes);
449 H_PUT_32 (abfd, in->x_file.x_n.x_offset,
450 ext->x_file.x_n.x_n.x_offset);
451 }
452 else
453 {
454 memcpy (ext->x_file.x_n.x_fname, in->x_file.x_fname, FILNMLEN);
455 }
456 H_PUT_8 (abfd, _AUX_FILE, ext->x_auxtype.x_auxtype);
457 goto end;
458
459 /* RS/6000 "csect" auxents */
460 case C_EXT:
461 case C_AIX_WEAKEXT:
462 case C_HIDEXT:
463 if (indx + 1 == numaux)
464 {
465 bfd_vma temp;
466
467 temp = in->x_csect.x_scnlen.l & 0xffffffff;
468 H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_lo);
469 temp = in->x_csect.x_scnlen.l >> 32;
470 H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_hi);
471 H_PUT_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
472 H_PUT_16 (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash);
473 /* We don't have to hack bitfields in x_smtyp because it's
474 defined by shifts-and-ands, which are equivalent on all
475 byte orders. */
476 H_PUT_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
477 H_PUT_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
478 H_PUT_8 (abfd, _AUX_CSECT, ext->x_auxtype.x_auxtype);
479 goto end;
480 }
481 break;
482
483 case C_STAT:
484 case C_LEAFSTAT:
485 case C_HIDDEN:
486 if (type == T_NULL)
487 {
488 goto end;
489 }
490 break;
491 }
492
493 if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
494 || ISTAG (in_class))
495 {
496 H_PUT_64 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
497 ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
498 H_PUT_8 (abfd, _AUX_FCN,
499 ext->x_auxtype.x_auxtype);
500 H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
501 ext->x_sym.x_fcnary.x_fcn.x_endndx);
502 }
503 if (ISFCN (type))
504 {
505 H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize,
506 ext->x_sym.x_fcnary.x_fcn.x_fsize);
507 }
508 else
509 {
510 H_PUT_32 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno,
511 ext->x_sym.x_fcnary.x_lnsz.x_lnno);
512 H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_size,
513 ext->x_sym.x_fcnary.x_lnsz.x_size);
514 }
515
516 end:
517
518 return bfd_coff_auxesz (abfd);
519 }
520
521 static bfd_boolean
522 _bfd_xcoff64_put_symbol_name (bfd *abfd, struct bfd_strtab_hash *strtab,
523 struct internal_syment *sym,
524 const char *name)
525 {
526 bfd_boolean hash;
527 bfd_size_type indx;
528
529 hash = TRUE;
530
531 if ((abfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
532 hash = FALSE;
533
534 indx = _bfd_stringtab_add (strtab, name, hash, FALSE);
535
536 if (indx == (bfd_size_type) -1)
537 return FALSE;
538
539 sym->_n._n_n._n_zeroes = 0;
540 sym->_n._n_n._n_offset = STRING_SIZE_SIZE + indx;
541
542 return TRUE;
543 }
544
545 static bfd_boolean
546 _bfd_xcoff64_put_ldsymbol_name (bfd *abfd ATTRIBUTE_UNUSED,
547 struct xcoff_loader_info *ldinfo,
548 struct internal_ldsym *ldsym,
549 const char *name)
550 {
551 size_t len;
552 len = strlen (name);
553
554 if (ldinfo->string_size + len + 3 > ldinfo->string_alc)
555 {
556 bfd_size_type newalc;
557 char *newstrings;
558
559 newalc = ldinfo->string_alc * 2;
560 if (newalc == 0)
561 newalc = 32;
562 while (ldinfo->string_size + len + 3 > newalc)
563 newalc *= 2;
564
565 newstrings = bfd_realloc (ldinfo->strings, newalc);
566 if (newstrings == NULL)
567 {
568 ldinfo->failed = TRUE;
569 return FALSE;
570 }
571 ldinfo->string_alc = newalc;
572 ldinfo->strings = newstrings;
573 }
574
575 bfd_put_16 (ldinfo->output_bfd, (bfd_vma) (len + 1),
576 ldinfo->strings + ldinfo->string_size);
577 strcpy (ldinfo->strings + ldinfo->string_size + 2, name);
578 ldsym->_l._l_l._l_zeroes = 0;
579 ldsym->_l._l_l._l_offset = ldinfo->string_size + 2;
580 ldinfo->string_size += len + 3;
581
582 return TRUE;
583 }
584
585 /* Routines to swap information in the XCOFF .loader section. If we
586 ever need to write an XCOFF loader, this stuff will need to be
587 moved to another file shared by the linker (which XCOFF calls the
588 ``binder'') and the loader. */
589
590 /* Swap in the ldhdr structure. */
591
592 static void
593 xcoff64_swap_ldhdr_in (bfd *abfd,
594 const void *s,
595 struct internal_ldhdr *dst)
596 {
597 const struct external_ldhdr *src = (const struct external_ldhdr *) s;
598
599 dst->l_version = bfd_get_32 (abfd, src->l_version);
600 dst->l_nsyms = bfd_get_32 (abfd, src->l_nsyms);
601 dst->l_nreloc = bfd_get_32 (abfd, src->l_nreloc);
602 dst->l_istlen = bfd_get_32 (abfd, src->l_istlen);
603 dst->l_nimpid = bfd_get_32 (abfd, src->l_nimpid);
604 dst->l_stlen = bfd_get_32 (abfd, src->l_stlen);
605 dst->l_impoff = bfd_get_64 (abfd, src->l_impoff);
606 dst->l_stoff = bfd_get_64 (abfd, src->l_stoff);
607 dst->l_symoff = bfd_get_64 (abfd, src->l_symoff);
608 dst->l_rldoff = bfd_get_64 (abfd, src->l_rldoff);
609 }
610
611 /* Swap out the ldhdr structure. */
612
613 static void
614 xcoff64_swap_ldhdr_out (bfd *abfd, const struct internal_ldhdr *src, void *d)
615 {
616 struct external_ldhdr *dst = (struct external_ldhdr *) d;
617
618 bfd_put_32 (abfd, (bfd_vma) src->l_version, dst->l_version);
619 bfd_put_32 (abfd, src->l_nsyms, dst->l_nsyms);
620 bfd_put_32 (abfd, src->l_nreloc, dst->l_nreloc);
621 bfd_put_32 (abfd, src->l_istlen, dst->l_istlen);
622 bfd_put_32 (abfd, src->l_nimpid, dst->l_nimpid);
623 bfd_put_32 (abfd, src->l_stlen, dst->l_stlen);
624 bfd_put_64 (abfd, src->l_impoff, dst->l_impoff);
625 bfd_put_64 (abfd, src->l_stoff, dst->l_stoff);
626 bfd_put_64 (abfd, src->l_symoff, dst->l_symoff);
627 bfd_put_64 (abfd, src->l_rldoff, dst->l_rldoff);
628 }
629
630 /* Swap in the ldsym structure. */
631
632 static void
633 xcoff64_swap_ldsym_in (bfd *abfd, const void *s, struct internal_ldsym *dst)
634 {
635 const struct external_ldsym *src = (const struct external_ldsym *) s;
636 /* XCOFF64 does not use l_zeroes like XCOFF32
637 Set the internal l_zeroes to 0 so the common 32/64 code uses l_value
638 as an offset into the loader symbol table. */
639 dst->_l._l_l._l_zeroes = 0;
640 dst->_l._l_l._l_offset = bfd_get_32 (abfd, src->l_offset);
641 dst->l_value = bfd_get_64 (abfd, src->l_value);
642 dst->l_scnum = bfd_get_16 (abfd, src->l_scnum);
643 dst->l_smtype = bfd_get_8 (abfd, src->l_smtype);
644 dst->l_smclas = bfd_get_8 (abfd, src->l_smclas);
645 dst->l_ifile = bfd_get_32 (abfd, src->l_ifile);
646 dst->l_parm = bfd_get_32 (abfd, src->l_parm);
647 }
648
649 /* Swap out the ldsym structure. */
650
651 static void
652 xcoff64_swap_ldsym_out (bfd *abfd, const struct internal_ldsym *src, void *d)
653 {
654 struct external_ldsym *dst = (struct external_ldsym *) d;
655
656 bfd_put_64 (abfd, src->l_value, dst->l_value);
657 bfd_put_32 (abfd, (bfd_vma) src->_l._l_l._l_offset, dst->l_offset);
658 bfd_put_16 (abfd, (bfd_vma) src->l_scnum, dst->l_scnum);
659 bfd_put_8 (abfd, src->l_smtype, dst->l_smtype);
660 bfd_put_8 (abfd, src->l_smclas, dst->l_smclas);
661 bfd_put_32 (abfd, src->l_ifile, dst->l_ifile);
662 bfd_put_32 (abfd, src->l_parm, dst->l_parm);
663 }
664
665 static void
666 xcoff64_swap_reloc_in (bfd *abfd, void *s, void *d)
667 {
668 struct external_reloc *src = (struct external_reloc *) s;
669 struct internal_reloc *dst = (struct internal_reloc *) d;
670
671 memset (dst, 0, sizeof (struct internal_reloc));
672
673 dst->r_vaddr = bfd_get_64 (abfd, src->r_vaddr);
674 dst->r_symndx = bfd_get_32 (abfd, src->r_symndx);
675 dst->r_size = bfd_get_8 (abfd, src->r_size);
676 dst->r_type = bfd_get_8 (abfd, src->r_type);
677 }
678
679 static unsigned int
680 xcoff64_swap_reloc_out (bfd *abfd, void *s, void *d)
681 {
682 struct internal_reloc *src = (struct internal_reloc *) s;
683 struct external_reloc *dst = (struct external_reloc *) d;
684
685 bfd_put_64 (abfd, src->r_vaddr, dst->r_vaddr);
686 bfd_put_32 (abfd, src->r_symndx, dst->r_symndx);
687 bfd_put_8 (abfd, src->r_type, dst->r_type);
688 bfd_put_8 (abfd, src->r_size, dst->r_size);
689
690 return bfd_coff_relsz (abfd);
691 }
692
693 /* Swap in the ldrel structure. */
694
695 static void
696 xcoff64_swap_ldrel_in (bfd *abfd, const void *s, struct internal_ldrel *dst)
697 {
698 const struct external_ldrel *src = (const struct external_ldrel *) s;
699
700 dst->l_vaddr = bfd_get_64 (abfd, src->l_vaddr);
701 dst->l_symndx = bfd_get_32 (abfd, src->l_symndx);
702 dst->l_rtype = bfd_get_16 (abfd, src->l_rtype);
703 dst->l_rsecnm = bfd_get_16 (abfd, src->l_rsecnm);
704 }
705
706 /* Swap out the ldrel structure. */
707
708 static void
709 xcoff64_swap_ldrel_out (bfd *abfd, const struct internal_ldrel *src, void *d)
710 {
711 struct external_ldrel *dst = (struct external_ldrel *) d;
712
713 bfd_put_64 (abfd, src->l_vaddr, dst->l_vaddr);
714 bfd_put_16 (abfd, (bfd_vma) src->l_rtype, dst->l_rtype);
715 bfd_put_16 (abfd, (bfd_vma) src->l_rsecnm, dst->l_rsecnm);
716 bfd_put_32 (abfd, src->l_symndx, dst->l_symndx);
717 }
718
719 static bfd_boolean
720 xcoff64_write_object_contents (bfd *abfd)
721 {
722 asection *current;
723 bfd_boolean hasrelocs = FALSE;
724 bfd_boolean haslinno = FALSE;
725 file_ptr scn_base;
726 file_ptr reloc_base;
727 file_ptr lineno_base;
728 file_ptr sym_base;
729 unsigned long reloc_size = 0;
730 unsigned long lnno_size = 0;
731 asection *text_sec = NULL;
732 asection *data_sec = NULL;
733 asection *bss_sec = NULL;
734 struct internal_filehdr internal_f;
735 struct internal_aouthdr internal_a;
736
737 bfd_set_error (bfd_error_system_call);
738
739 if (! abfd->output_has_begun)
740 {
741 if (! bfd_coff_compute_section_file_positions (abfd))
742 return FALSE;
743 }
744
745 /* Work out the size of the reloc and linno areas. */
746 reloc_base = obj_relocbase (abfd);
747
748 for (current = abfd->sections; current != NULL; current = current->next)
749 reloc_size += current->reloc_count * bfd_coff_relsz (abfd);
750
751 lineno_base = reloc_base + reloc_size;
752
753 /* Make a pass through the symbol table to count line number entries and
754 put them into the correct asections. */
755 lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd);
756
757 sym_base = lineno_base + lnno_size;
758
759 /* Indicate in each section->line_filepos its actual file address. */
760 for (current = abfd->sections; current != NULL; current = current->next)
761 {
762 if (current->lineno_count)
763 {
764 current->line_filepos = lineno_base;
765 current->moving_line_filepos = lineno_base;
766 lineno_base += current->lineno_count * bfd_coff_linesz (abfd);
767 }
768 else
769 {
770 current->line_filepos = 0;
771 }
772
773 if (current->reloc_count)
774 {
775 current->rel_filepos = reloc_base;
776 reloc_base += current->reloc_count * bfd_coff_relsz (abfd);
777 }
778 else
779 {
780 current->rel_filepos = 0;
781 }
782 }
783
784 if ((abfd->flags & EXEC_P) != 0)
785 {
786 scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd);
787 internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
788 }
789 else
790 {
791 scn_base = bfd_coff_filhsz (abfd);
792 internal_f.f_opthdr = 0;
793 }
794
795 internal_f.f_nscns = 0;
796
797 if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
798 return FALSE;
799
800 for (current = abfd->sections; current != NULL; current = current->next)
801 {
802 struct internal_scnhdr section;
803 struct external_scnhdr buff;
804 bfd_size_type amount;
805
806 internal_f.f_nscns++;
807
808 strncpy (section.s_name, current->name, SCNNMLEN);
809
810 section.s_vaddr = current->vma;
811 section.s_paddr = current->lma;
812 section.s_size = current->size;
813
814 /* If this section has no size or is unloadable then the scnptr
815 will be 0 too. */
816 if (current->size == 0
817 || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
818 {
819 section.s_scnptr = 0;
820 }
821 else
822 {
823 section.s_scnptr = current->filepos;
824 }
825
826 section.s_relptr = current->rel_filepos;
827 section.s_lnnoptr = current->line_filepos;
828 section.s_nreloc = current->reloc_count;
829
830 section.s_nlnno = current->lineno_count;
831 if (current->reloc_count != 0)
832 hasrelocs = TRUE;
833 if (current->lineno_count != 0)
834 haslinno = TRUE;
835
836 section.s_flags = sec_to_styp_flags (current->name, current->flags);
837
838 if (!strcmp (current->name, _TEXT))
839 {
840 text_sec = current;
841 }
842 else if (!strcmp (current->name, _DATA))
843 {
844 data_sec = current;
845 }
846 else if (!strcmp (current->name, _BSS))
847 {
848 bss_sec = current;
849 }
850
851 amount = bfd_coff_scnhsz (abfd);
852 if (bfd_coff_swap_scnhdr_out (abfd, &section, &buff) == 0
853 || bfd_bwrite (&buff, amount, abfd) != amount)
854 return FALSE;
855 }
856
857 internal_f.f_timdat = 0;
858
859 internal_f.f_flags = 0;
860
861 if (!hasrelocs)
862 internal_f.f_flags |= F_RELFLG;
863 if (!haslinno)
864 internal_f.f_flags |= F_LNNO;
865 if (abfd->flags & EXEC_P)
866 internal_f.f_flags |= F_EXEC;
867
868 /* FIXME: this is wrong for PPC_PE! */
869 if (bfd_little_endian (abfd))
870 internal_f.f_flags |= F_AR32WR;
871 else
872 internal_f.f_flags |= F_AR32W;
873
874 if ((abfd->flags & DYNAMIC) != 0)
875 internal_f.f_flags |= F_SHROBJ;
876 if (bfd_get_section_by_name (abfd, _LOADER) != NULL)
877 internal_f.f_flags |= F_DYNLOAD;
878
879 memset (&internal_a, 0, sizeof internal_a);
880
881 internal_f.f_magic = bfd_xcoff_magic_number (abfd);
882 internal_a.magic = (abfd->flags & D_PAGED
883 ? RS6K_AOUTHDR_ZMAGIC
884 : (abfd->flags & WP_TEXT
885 ? RS6K_AOUTHDR_NMAGIC
886 : RS6K_AOUTHDR_OMAGIC));
887
888 /* FIXME: Does anybody ever set this to another value? */
889 internal_a.vstamp = 0;
890
891 /* Now should write relocs, strings, syms. */
892 obj_sym_filepos (abfd) = sym_base;
893
894 internal_f.f_symptr = 0;
895 internal_f.f_nsyms = 0;
896
897 /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF
898 backend linker, and obj_raw_syment_count is not valid until after
899 coff_write_symbols is called. */
900 if (bfd_get_symcount (abfd) != 0)
901 {
902 int firstundef;
903
904 if (!coff_renumber_symbols (abfd, &firstundef))
905 return FALSE;
906 coff_mangle_symbols (abfd);
907 if (! coff_write_symbols (abfd))
908 return FALSE;
909 if (! coff_write_linenumbers (abfd))
910 return FALSE;
911 if (! coff_write_relocs (abfd, firstundef))
912 return FALSE;
913
914 internal_f.f_symptr = sym_base;
915 internal_f.f_nsyms = bfd_get_symcount (abfd);
916 }
917 else if (obj_raw_syment_count (abfd) != 0)
918 {
919 internal_f.f_symptr = sym_base;
920
921 /* AIX appears to require that F_RELFLG not be set if there are
922 local symbols but no relocations. */
923 internal_f.f_flags &=~ F_RELFLG;
924 }
925 else
926 {
927 internal_f.f_flags |= F_LSYMS;
928 }
929
930 if (text_sec)
931 {
932 internal_a.tsize = text_sec->size;
933 internal_a.text_start = internal_a.tsize ? text_sec->vma : 0;
934 }
935
936 if (data_sec)
937 {
938 internal_a.dsize = data_sec->size;
939 internal_a.data_start = internal_a.dsize ? data_sec->vma : 0;
940 }
941
942 if (bss_sec)
943 {
944 internal_a.bsize = bss_sec->size;
945 if (internal_a.bsize && bss_sec->vma < internal_a.data_start)
946 internal_a.data_start = bss_sec->vma;
947 }
948
949 internal_a.entry = bfd_get_start_address (abfd);
950 internal_f.f_nsyms = obj_raw_syment_count (abfd);
951
952 if (xcoff_data (abfd)->full_aouthdr)
953 {
954 bfd_vma toc;
955 asection *loader_sec;
956
957 internal_a.vstamp = 1;
958
959 internal_a.o_snentry = xcoff_data (abfd)->snentry;
960 if (internal_a.o_snentry == 0)
961 internal_a.entry = (bfd_vma) -1;
962
963 if (text_sec != NULL)
964 {
965 internal_a.o_sntext = text_sec->target_index;
966 internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec);
967 }
968 else
969 {
970 internal_a.o_sntext = 0;
971 internal_a.o_algntext = 0;
972 }
973
974 if (data_sec != NULL)
975 {
976 internal_a.o_sndata = data_sec->target_index;
977 internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec);
978 }
979 else
980 {
981 internal_a.o_sndata = 0;
982 internal_a.o_algndata = 0;
983 }
984
985 loader_sec = bfd_get_section_by_name (abfd, ".loader");
986 if (loader_sec != NULL)
987 internal_a.o_snloader = loader_sec->target_index;
988 else
989 internal_a.o_snloader = 0;
990 if (bss_sec != NULL)
991 internal_a.o_snbss = bss_sec->target_index;
992 else
993 internal_a.o_snbss = 0;
994
995 toc = xcoff_data (abfd)->toc;
996 internal_a.o_toc = toc;
997 internal_a.o_sntoc = xcoff_data (abfd)->sntoc;
998
999 internal_a.o_modtype = xcoff_data (abfd)->modtype;
1000 if (xcoff_data (abfd)->cputype != -1)
1001 internal_a.o_cputype = xcoff_data (abfd)->cputype;
1002 else
1003 {
1004 switch (bfd_get_arch (abfd))
1005 {
1006 case bfd_arch_rs6000:
1007 internal_a.o_cputype = 4;
1008 break;
1009 case bfd_arch_powerpc:
1010 if (bfd_get_mach (abfd) == bfd_mach_ppc)
1011 internal_a.o_cputype = 3;
1012 else if (bfd_get_mach (abfd) == bfd_mach_ppc_620)
1013 internal_a.o_cputype = 2;
1014 else
1015 internal_a.o_cputype = 1;
1016 break;
1017 default:
1018 abort ();
1019 }
1020 }
1021 internal_a.o_maxstack = xcoff_data (abfd)->maxstack;
1022 internal_a.o_maxdata = xcoff_data (abfd)->maxdata;
1023 }
1024
1025 if (bfd_seek (abfd, (file_ptr) 0, 0) != 0)
1026 return FALSE;
1027
1028 {
1029 char * buff;
1030 bfd_size_type amount = bfd_coff_filhsz (abfd);
1031
1032 buff = bfd_malloc (amount);
1033 if (buff == NULL)
1034 return FALSE;
1035
1036 bfd_coff_swap_filehdr_out (abfd, &internal_f, buff);
1037 amount = bfd_bwrite (buff, amount, abfd);
1038
1039 free (buff);
1040
1041 if (amount != bfd_coff_filhsz (abfd))
1042 return FALSE;
1043 }
1044
1045 if (abfd->flags & EXEC_P)
1046 {
1047 char * buff;
1048 bfd_size_type amount = bfd_coff_aoutsz (abfd);
1049
1050 buff = bfd_malloc (amount);
1051 if (buff == NULL)
1052 return FALSE;
1053
1054 bfd_coff_swap_aouthdr_out (abfd, &internal_a, buff);
1055 amount = bfd_bwrite (buff, amount, abfd);
1056
1057 free (buff);
1058
1059 if (amount != bfd_coff_aoutsz (abfd))
1060 return FALSE;
1061 }
1062
1063 return TRUE;
1064 }
1065
1066 static bfd_boolean
1067 xcoff64_reloc_type_br (bfd *input_bfd,
1068 asection *input_section,
1069 bfd *output_bfd ATTRIBUTE_UNUSED,
1070 struct internal_reloc *rel,
1071 struct internal_syment *sym ATTRIBUTE_UNUSED,
1072 struct reloc_howto_struct *howto,
1073 bfd_vma val,
1074 bfd_vma addend,
1075 bfd_vma *relocation,
1076 bfd_byte *contents)
1077 {
1078 struct xcoff_link_hash_entry *h;
1079 bfd_vma section_offset;
1080
1081 if (0 > rel->r_symndx)
1082 return FALSE;
1083
1084 h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx];
1085 section_offset = rel->r_vaddr - input_section->vma;
1086
1087 /* If we see an R_BR or R_RBR reloc which is jumping to global
1088 linkage code, and it is followed by an appropriate cror nop
1089 instruction, we replace the cror with ld r2,40(r1). This
1090 restores the TOC after the glink code. Contrariwise, if the
1091 call is followed by a ld r2,40(r1), but the call is not
1092 going to global linkage code, we can replace the load with a
1093 cror. */
1094 if (NULL != h
1095 && (bfd_link_hash_defined == h->root.type
1096 || bfd_link_hash_defweak == h->root.type)
1097 && section_offset + 8 <= input_section->size)
1098 {
1099 bfd_byte *pnext;
1100 unsigned long next;
1101
1102 pnext = contents + section_offset + 4;
1103 next = bfd_get_32 (input_bfd, pnext);
1104
1105 /* The _ptrgl function is magic. It is used by the AIX compiler to call
1106 a function through a pointer. */
1107 if (h->smclas == XMC_GL || strcmp (h->root.root.string, "._ptrgl") == 0)
1108 {
1109 if (next == 0x4def7b82 /* cror 15,15,15 */
1110 || next == 0x4ffffb82 /* cror 31,31,31 */
1111 || next == 0x60000000) /* ori r0,r0,0 */
1112 bfd_put_32 (input_bfd, 0xe8410028, pnext); /* ld r2,40(r1) */
1113 }
1114 else
1115 {
1116 if (next == 0xe8410028) /* ld r2,40(r1) */
1117 bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */
1118 }
1119 }
1120 else if (NULL != h && bfd_link_hash_undefined == h->root.type)
1121 {
1122 /* Normally, this relocation is against a defined symbol. In the
1123 case where this is a partial link and the output section offset
1124 is greater than 2^25, the linker will return an invalid error
1125 message that the relocation has been truncated. Yes it has been
1126 truncated but no it not important. For this case, disable the
1127 overflow checking. */
1128 howto->complain_on_overflow = complain_overflow_dont;
1129 }
1130
1131 /* The original PC-relative relocation is biased by -r_vaddr, so adding
1132 the value below will give the absolute target address. */
1133 *relocation = val + addend + rel->r_vaddr;
1134
1135 howto->src_mask &= ~3;
1136 howto->dst_mask = howto->src_mask;
1137
1138 if (h != NULL
1139 && (h->root.type == bfd_link_hash_defined
1140 || h->root.type == bfd_link_hash_defweak)
1141 && bfd_is_abs_section (h->root.u.def.section)
1142 && section_offset + 4 <= input_section->size)
1143 {
1144 bfd_byte *ptr;
1145 bfd_vma insn;
1146
1147 /* Turn the relative branch into an absolute one by setting the
1148 AA bit. */
1149 ptr = contents + section_offset;
1150 insn = bfd_get_32 (input_bfd, ptr);
1151 insn |= 2;
1152 bfd_put_32 (input_bfd, insn, ptr);
1153
1154 /* Make the howto absolute too. */
1155 howto->pc_relative = FALSE;
1156 howto->complain_on_overflow = complain_overflow_bitfield;
1157 }
1158 else
1159 {
1160 /* Use a PC-relative howto and subtract the instruction's address
1161 from the target address we calculated above. */
1162 howto->pc_relative = TRUE;
1163 *relocation -= (input_section->output_section->vma
1164 + input_section->output_offset
1165 + section_offset);
1166 }
1167 return TRUE;
1168 }
1169
1170 /* This is the relocation function for the PowerPC64.
1171 See xcoff_ppc_relocation_section for more information. */
1172
1173 bfd_boolean
1174 xcoff64_ppc_relocate_section (bfd *output_bfd,
1175 struct bfd_link_info *info,
1176 bfd *input_bfd,
1177 asection *input_section,
1178 bfd_byte *contents,
1179 struct internal_reloc *relocs,
1180 struct internal_syment *syms,
1181 asection **sections)
1182 {
1183 struct internal_reloc *rel;
1184 struct internal_reloc *relend;
1185
1186 rel = relocs;
1187 relend = rel + input_section->reloc_count;
1188 for (; rel < relend; rel++)
1189 {
1190 long symndx;
1191 struct xcoff_link_hash_entry *h;
1192 struct internal_syment *sym;
1193 bfd_vma addend;
1194 bfd_vma val;
1195 struct reloc_howto_struct howto;
1196 bfd_vma relocation;
1197 bfd_vma value_to_relocate;
1198 bfd_vma address;
1199 bfd_byte *location;
1200
1201 /* Relocation type R_REF is a special relocation type which is
1202 merely used to prevent garbage collection from occurring for
1203 the csect including the symbol which it references. */
1204 if (rel->r_type == R_REF)
1205 continue;
1206
1207 /* howto */
1208 howto.type = rel->r_type;
1209 howto.rightshift = 0;
1210 howto.bitsize = (rel->r_size & 0x3f) + 1;
1211 howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1;
1212 howto.pc_relative = FALSE;
1213 howto.bitpos = 0;
1214 howto.complain_on_overflow = (rel->r_size & 0x80
1215 ? complain_overflow_signed
1216 : complain_overflow_bitfield);
1217 howto.special_function = NULL;
1218 howto.name = "internal";
1219 howto.partial_inplace = TRUE;
1220 howto.src_mask = howto.dst_mask = N_ONES (howto.bitsize);
1221 howto.pcrel_offset = FALSE;
1222
1223 /* symbol */
1224 val = 0;
1225 addend = 0;
1226 h = NULL;
1227 sym = NULL;
1228 symndx = rel->r_symndx;
1229
1230 if (-1 != symndx)
1231 {
1232 asection *sec;
1233
1234 h = obj_xcoff_sym_hashes (input_bfd)[symndx];
1235 sym = syms + symndx;
1236 addend = - sym->n_value;
1237
1238 if (NULL == h)
1239 {
1240 sec = sections[symndx];
1241 /* Hack to make sure we use the right TOC anchor value
1242 if this reloc is against the TOC anchor. */
1243 if (sec->name[3] == '0'
1244 && strcmp (sec->name, ".tc0") == 0)
1245 val = xcoff_data (output_bfd)->toc;
1246 else
1247 val = (sec->output_section->vma
1248 + sec->output_offset
1249 + sym->n_value
1250 - sec->vma);
1251 }
1252 else
1253 {
1254 if (info->unresolved_syms_in_objects != RM_IGNORE
1255 && (h->flags & XCOFF_WAS_UNDEFINED) != 0)
1256 {
1257 if (! ((*info->callbacks->undefined_symbol)
1258 (info, h->root.root.string,
1259 input_bfd, input_section,
1260 rel->r_vaddr - input_section->vma,
1261 (info->unresolved_syms_in_objects
1262 == RM_GENERATE_ERROR))))
1263 return FALSE;
1264 }
1265 if (h->root.type == bfd_link_hash_defined
1266 || h->root.type == bfd_link_hash_defweak)
1267 {
1268 sec = h->root.u.def.section;
1269 val = (h->root.u.def.value
1270 + sec->output_section->vma
1271 + sec->output_offset);
1272 }
1273 else if (h->root.type == bfd_link_hash_common)
1274 {
1275 sec = h->root.u.c.p->section;
1276 val = (sec->output_section->vma
1277 + sec->output_offset);
1278 }
1279 else
1280 {
1281 BFD_ASSERT (info->relocatable
1282 || (h->flags & XCOFF_DEF_DYNAMIC) != 0
1283 || (h->flags & XCOFF_IMPORT) != 0);
1284 }
1285 }
1286 }
1287
1288 if (rel->r_type >= XCOFF_MAX_CALCULATE_RELOCATION
1289 || !((*xcoff64_calculate_relocation[rel->r_type])
1290 (input_bfd, input_section, output_bfd, rel, sym, &howto, val,
1291 addend, &relocation, contents)))
1292 return FALSE;
1293
1294 /* address */
1295 address = rel->r_vaddr - input_section->vma;
1296 location = contents + address;
1297
1298 if (address > input_section->size)
1299 abort ();
1300
1301 /* Get the value we are going to relocate. */
1302 if (1 == howto.size)
1303 value_to_relocate = bfd_get_16 (input_bfd, location);
1304 else if (2 == howto.size)
1305 value_to_relocate = bfd_get_32 (input_bfd, location);
1306 else
1307 value_to_relocate = bfd_get_64 (input_bfd, location);
1308
1309 /* overflow.
1310
1311 FIXME: We may drop bits during the addition
1312 which we don't check for. We must either check at every single
1313 operation, which would be tedious, or we must do the computations
1314 in a type larger than bfd_vma, which would be inefficient. */
1315
1316 if ((unsigned int) howto.complain_on_overflow
1317 >= XCOFF_MAX_COMPLAIN_OVERFLOW)
1318 abort ();
1319
1320 if (((*xcoff_complain_overflow[howto.complain_on_overflow])
1321 (input_bfd, value_to_relocate, relocation, &howto)))
1322 {
1323 const char *name;
1324 char buf[SYMNMLEN + 1];
1325 char reloc_type_name[10];
1326
1327 if (symndx == -1)
1328 {
1329 name = "*ABS*";
1330 }
1331 else if (h != NULL)
1332 {
1333 name = NULL;
1334 }
1335 else
1336 {
1337 name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
1338 if (name == NULL)
1339 name = "UNKNOWN";
1340 }
1341 sprintf (reloc_type_name, "0x%02x", rel->r_type);
1342
1343 if (! ((*info->callbacks->reloc_overflow)
1344 (info, (h ? &h->root : NULL), name, reloc_type_name,
1345 (bfd_vma) 0, input_bfd, input_section,
1346 rel->r_vaddr - input_section->vma)))
1347 return FALSE;
1348 }
1349
1350 /* Add RELOCATION to the right bits of VALUE_TO_RELOCATE. */
1351 value_to_relocate = ((value_to_relocate & ~howto.dst_mask)
1352 | (((value_to_relocate & howto.src_mask)
1353 + relocation) & howto.dst_mask));
1354
1355 /* Put the value back in the object file. */
1356 if (1 == howto.size)
1357 bfd_put_16 (input_bfd, value_to_relocate, location);
1358 else if (2 == howto.size)
1359 bfd_put_32 (input_bfd, value_to_relocate, location);
1360 else
1361 bfd_put_64 (input_bfd, value_to_relocate, location);
1362
1363 }
1364 return TRUE;
1365 }
1366
1367 \f
1368 /* The XCOFF reloc table. Actually, XCOFF relocations specify the
1369 bitsize and whether they are signed or not, along with a
1370 conventional type. This table is for the types, which are used for
1371 different algorithms for putting in the reloc. Many of these
1372 relocs need special_function entries, which I have not written. */
1373
1374 reloc_howto_type xcoff64_howto_table[] =
1375 {
1376 /* 0x00: Standard 64 bit relocation. */
1377 HOWTO (R_POS, /* type */
1378 0, /* rightshift */
1379 4, /* size (0 = byte, 1 = short, 2 = long) */
1380 64, /* bitsize */
1381 FALSE, /* pc_relative */
1382 0, /* bitpos */
1383 complain_overflow_bitfield, /* complain_on_overflow */
1384 0, /* special_function */
1385 "R_POS_64", /* name */
1386 TRUE, /* partial_inplace */
1387 MINUS_ONE, /* src_mask */
1388 MINUS_ONE, /* dst_mask */
1389 FALSE), /* pcrel_offset */
1390
1391 /* 0x01: 64 bit relocation, but store negative value. */
1392 HOWTO (R_NEG, /* type */
1393 0, /* rightshift */
1394 -4, /* size (0 = byte, 1 = short, 2 = long) */
1395 64, /* bitsize */
1396 FALSE, /* pc_relative */
1397 0, /* bitpos */
1398 complain_overflow_bitfield, /* complain_on_overflow */
1399 0, /* special_function */
1400 "R_NEG", /* name */
1401 TRUE, /* partial_inplace */
1402 MINUS_ONE, /* src_mask */
1403 MINUS_ONE, /* dst_mask */
1404 FALSE), /* pcrel_offset */
1405
1406 /* 0x02: 32 bit PC relative relocation. */
1407 HOWTO (R_REL, /* type */
1408 0, /* rightshift */
1409 2, /* size (0 = byte, 1 = short, 2 = long) */
1410 32, /* bitsize */
1411 TRUE, /* pc_relative */
1412 0, /* bitpos */
1413 complain_overflow_signed, /* complain_on_overflow */
1414 0, /* special_function */
1415 "R_REL", /* name */
1416 TRUE, /* partial_inplace */
1417 0xffffffff, /* src_mask */
1418 0xffffffff, /* dst_mask */
1419 FALSE), /* pcrel_offset */
1420
1421 /* 0x03: 16 bit TOC relative relocation. */
1422 HOWTO (R_TOC, /* type */
1423 0, /* rightshift */
1424 1, /* size (0 = byte, 1 = short, 2 = long) */
1425 16, /* bitsize */
1426 FALSE, /* pc_relative */
1427 0, /* bitpos */
1428 complain_overflow_bitfield, /* complain_on_overflow */
1429 0, /* special_function */
1430 "R_TOC", /* name */
1431 TRUE, /* partial_inplace */
1432 0xffff, /* src_mask */
1433 0xffff, /* dst_mask */
1434 FALSE), /* pcrel_offset */
1435
1436 /* 0x04: I don't really know what this is. */
1437 HOWTO (R_RTB, /* type */
1438 1, /* rightshift */
1439 2, /* size (0 = byte, 1 = short, 2 = long) */
1440 32, /* bitsize */
1441 FALSE, /* pc_relative */
1442 0, /* bitpos */
1443 complain_overflow_bitfield, /* complain_on_overflow */
1444 0, /* special_function */
1445 "R_RTB", /* name */
1446 TRUE, /* partial_inplace */
1447 0xffffffff, /* src_mask */
1448 0xffffffff, /* dst_mask */
1449 FALSE), /* pcrel_offset */
1450
1451 /* 0x05: External TOC relative symbol. */
1452 HOWTO (R_GL, /* type */
1453 0, /* rightshift */
1454 1, /* size (0 = byte, 1 = short, 2 = long) */
1455 16, /* bitsize */
1456 FALSE, /* pc_relative */
1457 0, /* bitpos */
1458 complain_overflow_bitfield, /* complain_on_overflow */
1459 0, /* special_function */
1460 "R_GL", /* name */
1461 TRUE, /* partial_inplace */
1462 0xffff, /* src_mask */
1463 0xffff, /* dst_mask */
1464 FALSE), /* pcrel_offset */
1465
1466 /* 0x06: Local TOC relative symbol. */
1467 HOWTO (R_TCL, /* type */
1468 0, /* rightshift */
1469 1, /* size (0 = byte, 1 = short, 2 = long) */
1470 16, /* bitsize */
1471 FALSE, /* pc_relative */
1472 0, /* bitpos */
1473 complain_overflow_bitfield, /* complain_on_overflow */
1474 0, /* special_function */
1475 "R_TCL", /* name */
1476 TRUE, /* partial_inplace */
1477 0xffff, /* src_mask */
1478 0xffff, /* dst_mask */
1479 FALSE), /* pcrel_offset */
1480
1481 EMPTY_HOWTO (7),
1482
1483 /* 0x08: Non modifiable absolute branch. */
1484 HOWTO (R_BA, /* type */
1485 0, /* rightshift */
1486 2, /* size (0 = byte, 1 = short, 2 = long) */
1487 26, /* bitsize */
1488 FALSE, /* pc_relative */
1489 0, /* bitpos */
1490 complain_overflow_bitfield, /* complain_on_overflow */
1491 0, /* special_function */
1492 "R_BA_26", /* name */
1493 TRUE, /* partial_inplace */
1494 0x03fffffc, /* src_mask */
1495 0x03fffffc, /* dst_mask */
1496 FALSE), /* pcrel_offset */
1497
1498 EMPTY_HOWTO (9),
1499
1500 /* 0x0a: Non modifiable relative branch. */
1501 HOWTO (R_BR, /* type */
1502 0, /* rightshift */
1503 2, /* size (0 = byte, 1 = short, 2 = long) */
1504 26, /* bitsize */
1505 TRUE, /* pc_relative */
1506 0, /* bitpos */
1507 complain_overflow_signed, /* complain_on_overflow */
1508 0, /* special_function */
1509 "R_BR", /* name */
1510 TRUE, /* partial_inplace */
1511 0x03fffffc, /* src_mask */
1512 0x03fffffc, /* dst_mask */
1513 FALSE), /* pcrel_offset */
1514
1515 EMPTY_HOWTO (0xb),
1516
1517 /* 0x0c: Indirect load. */
1518 HOWTO (R_RL, /* type */
1519 0, /* rightshift */
1520 1, /* size (0 = byte, 1 = short, 2 = long) */
1521 16, /* bitsize */
1522 FALSE, /* pc_relative */
1523 0, /* bitpos */
1524 complain_overflow_bitfield, /* complain_on_overflow */
1525 0, /* special_function */
1526 "R_RL", /* name */
1527 TRUE, /* partial_inplace */
1528 0xffff, /* src_mask */
1529 0xffff, /* dst_mask */
1530 FALSE), /* pcrel_offset */
1531
1532 /* 0x0d: Load address. */
1533 HOWTO (R_RLA, /* type */
1534 0, /* rightshift */
1535 1, /* size (0 = byte, 1 = short, 2 = long) */
1536 16, /* bitsize */
1537 FALSE, /* pc_relative */
1538 0, /* bitpos */
1539 complain_overflow_bitfield, /* complain_on_overflow */
1540 0, /* special_function */
1541 "R_RLA", /* name */
1542 TRUE, /* partial_inplace */
1543 0xffff, /* src_mask */
1544 0xffff, /* dst_mask */
1545 FALSE), /* pcrel_offset */
1546
1547 EMPTY_HOWTO (0xe),
1548
1549 /* 0x0f: Non-relocating reference. Bitsize is 1 so that r_rsize is 0. */
1550 HOWTO (R_REF, /* type */
1551 0, /* rightshift */
1552 0, /* size (0 = byte, 1 = short, 2 = long) */
1553 1, /* bitsize */
1554 FALSE, /* pc_relative */
1555 0, /* bitpos */
1556 complain_overflow_dont, /* complain_on_overflow */
1557 0, /* special_function */
1558 "R_REF", /* name */
1559 FALSE, /* partial_inplace */
1560 0, /* src_mask */
1561 0, /* dst_mask */
1562 FALSE), /* pcrel_offset */
1563
1564 EMPTY_HOWTO (0x10),
1565 EMPTY_HOWTO (0x11),
1566
1567 /* 0x12: TOC relative indirect load. */
1568 HOWTO (R_TRL, /* type */
1569 0, /* rightshift */
1570 1, /* size (0 = byte, 1 = short, 2 = long) */
1571 16, /* bitsize */
1572 FALSE, /* pc_relative */
1573 0, /* bitpos */
1574 complain_overflow_bitfield, /* complain_on_overflow */
1575 0, /* special_function */
1576 "R_TRL", /* name */
1577 TRUE, /* partial_inplace */
1578 0xffff, /* src_mask */
1579 0xffff, /* dst_mask */
1580 FALSE), /* pcrel_offset */
1581
1582 /* 0x13: TOC relative load address. */
1583 HOWTO (R_TRLA, /* type */
1584 0, /* rightshift */
1585 1, /* size (0 = byte, 1 = short, 2 = long) */
1586 16, /* bitsize */
1587 FALSE, /* pc_relative */
1588 0, /* bitpos */
1589 complain_overflow_bitfield, /* complain_on_overflow */
1590 0, /* special_function */
1591 "R_TRLA", /* name */
1592 TRUE, /* partial_inplace */
1593 0xffff, /* src_mask */
1594 0xffff, /* dst_mask */
1595 FALSE), /* pcrel_offset */
1596
1597 /* 0x14: Modifiable relative branch. */
1598 HOWTO (R_RRTBI, /* type */
1599 1, /* rightshift */
1600 2, /* size (0 = byte, 1 = short, 2 = long) */
1601 32, /* bitsize */
1602 FALSE, /* pc_relative */
1603 0, /* bitpos */
1604 complain_overflow_bitfield, /* complain_on_overflow */
1605 0, /* special_function */
1606 "R_RRTBI", /* name */
1607 TRUE, /* partial_inplace */
1608 0xffffffff, /* src_mask */
1609 0xffffffff, /* dst_mask */
1610 FALSE), /* pcrel_offset */
1611
1612 /* 0x15: Modifiable absolute branch. */
1613 HOWTO (R_RRTBA, /* type */
1614 1, /* rightshift */
1615 2, /* size (0 = byte, 1 = short, 2 = long) */
1616 32, /* bitsize */
1617 FALSE, /* pc_relative */
1618 0, /* bitpos */
1619 complain_overflow_bitfield, /* complain_on_overflow */
1620 0, /* special_function */
1621 "R_RRTBA", /* name */
1622 TRUE, /* partial_inplace */
1623 0xffffffff, /* src_mask */
1624 0xffffffff, /* dst_mask */
1625 FALSE), /* pcrel_offset */
1626
1627 /* 0x16: Modifiable call absolute indirect. */
1628 HOWTO (R_CAI, /* type */
1629 0, /* rightshift */
1630 1, /* size (0 = byte, 1 = short, 2 = long) */
1631 16, /* bitsize */
1632 FALSE, /* pc_relative */
1633 0, /* bitpos */
1634 complain_overflow_bitfield, /* complain_on_overflow */
1635 0, /* special_function */
1636 "R_CAI", /* name */
1637 TRUE, /* partial_inplace */
1638 0xffff, /* src_mask */
1639 0xffff, /* dst_mask */
1640 FALSE), /* pcrel_offset */
1641
1642 /* 0x17: Modifiable call relative. */
1643 HOWTO (R_CREL, /* type */
1644 0, /* rightshift */
1645 1, /* size (0 = byte, 1 = short, 2 = long) */
1646 16, /* bitsize */
1647 FALSE, /* pc_relative */
1648 0, /* bitpos */
1649 complain_overflow_bitfield, /* complain_on_overflow */
1650 0, /* special_function */
1651 "R_CREL", /* name */
1652 TRUE, /* partial_inplace */
1653 0xffff, /* src_mask */
1654 0xffff, /* dst_mask */
1655 FALSE), /* pcrel_offset */
1656
1657 /* 0x18: Modifiable branch absolute. */
1658 HOWTO (R_RBA, /* type */
1659 0, /* rightshift */
1660 2, /* size (0 = byte, 1 = short, 2 = long) */
1661 26, /* bitsize */
1662 FALSE, /* pc_relative */
1663 0, /* bitpos */
1664 complain_overflow_bitfield, /* complain_on_overflow */
1665 0, /* special_function */
1666 "R_RBA", /* name */
1667 TRUE, /* partial_inplace */
1668 0x03fffffc, /* src_mask */
1669 0x03fffffc, /* dst_mask */
1670 FALSE), /* pcrel_offset */
1671
1672 /* 0x19: Modifiable branch absolute. */
1673 HOWTO (R_RBAC, /* type */
1674 0, /* rightshift */
1675 2, /* size (0 = byte, 1 = short, 2 = long) */
1676 32, /* bitsize */
1677 FALSE, /* pc_relative */
1678 0, /* bitpos */
1679 complain_overflow_bitfield, /* complain_on_overflow */
1680 0, /* special_function */
1681 "R_RBAC", /* name */
1682 TRUE, /* partial_inplace */
1683 0xffffffff, /* src_mask */
1684 0xffffffff, /* dst_mask */
1685 FALSE), /* pcrel_offset */
1686
1687 /* 0x1a: Modifiable branch relative. */
1688 HOWTO (R_RBR, /* type */
1689 0, /* rightshift */
1690 2, /* size (0 = byte, 1 = short, 2 = long) */
1691 26, /* bitsize */
1692 FALSE, /* pc_relative */
1693 0, /* bitpos */
1694 complain_overflow_signed, /* complain_on_overflow */
1695 0, /* special_function */
1696 "R_RBR_26", /* name */
1697 TRUE, /* partial_inplace */
1698 0x03fffffc, /* src_mask */
1699 0x03fffffc, /* dst_mask */
1700 FALSE), /* pcrel_offset */
1701
1702 /* 0x1b: Modifiable branch absolute. */
1703 HOWTO (R_RBRC, /* type */
1704 0, /* rightshift */
1705 1, /* size (0 = byte, 1 = short, 2 = long) */
1706 16, /* bitsize */
1707 FALSE, /* pc_relative */
1708 0, /* bitpos */
1709 complain_overflow_bitfield, /* complain_on_overflow */
1710 0, /* special_function */
1711 "R_RBRC", /* name */
1712 TRUE, /* partial_inplace */
1713 0xffff, /* src_mask */
1714 0xffff, /* dst_mask */
1715 FALSE), /* pcrel_offset */
1716
1717 /* 0x1c: Standard 32 bit relocation. */
1718 HOWTO (R_POS, /* type */
1719 0, /* rightshift */
1720 2, /* size (0 = byte, 1 = short, 2 = long) */
1721 32, /* bitsize */
1722 FALSE, /* pc_relative */
1723 0, /* bitpos */
1724 complain_overflow_bitfield, /* complain_on_overflow */
1725 0, /* special_function */
1726 "R_POS_32", /* name */
1727 TRUE, /* partial_inplace */
1728 0xffffffff, /* src_mask */
1729 0xffffffff, /* dst_mask */
1730 FALSE), /* pcrel_offset */
1731
1732 /* 0x1d: 16 bit Non modifiable absolute branch. */
1733 HOWTO (R_BA, /* type */
1734 0, /* rightshift */
1735 1, /* size (0 = byte, 1 = short, 2 = long) */
1736 16, /* bitsize */
1737 FALSE, /* pc_relative */
1738 0, /* bitpos */
1739 complain_overflow_bitfield, /* complain_on_overflow */
1740 0, /* special_function */
1741 "R_BA_16", /* name */
1742 TRUE, /* partial_inplace */
1743 0xfffc, /* src_mask */
1744 0xfffc, /* dst_mask */
1745 FALSE), /* pcrel_offset */
1746
1747 /* 0x1e: Modifiable branch relative. */
1748 HOWTO (R_RBR, /* type */
1749 0, /* rightshift */
1750 1, /* size (0 = byte, 1 = short, 2 = long) */
1751 16, /* bitsize */
1752 TRUE, /* pc_relative */
1753 0, /* bitpos */
1754 complain_overflow_signed, /* complain_on_overflow */
1755 0, /* special_function */
1756 "R_RBR_16", /* name */
1757 TRUE, /* partial_inplace */
1758 0xfffc, /* src_mask */
1759 0xfffc, /* dst_mask */
1760 FALSE), /* pcrel_offset */
1761
1762 /* 0x1f: Modifiable branch absolute. */
1763 HOWTO (R_RBA, /* type */
1764 0, /* rightshift */
1765 1, /* size (0 = byte, 1 = short, 2 = long) */
1766 16, /* bitsize */
1767 FALSE, /* pc_relative */
1768 0, /* bitpos */
1769 complain_overflow_bitfield, /* complain_on_overflow */
1770 0, /* special_function */
1771 "R_RBA_16", /* name */
1772 TRUE, /* partial_inplace */
1773 0xffff, /* src_mask */
1774 0xffff, /* dst_mask */
1775 FALSE), /* pcrel_offset */
1776
1777 };
1778
1779 void
1780 xcoff64_rtype2howto (arelent *relent, struct internal_reloc *internal)
1781 {
1782 if (internal->r_type > R_RBRC)
1783 abort ();
1784
1785 /* Default howto layout works most of the time */
1786 relent->howto = &xcoff64_howto_table[internal->r_type];
1787
1788 /* Special case some 16 bit reloc */
1789 if (15 == (internal->r_size & 0x3f))
1790 {
1791 if (R_BA == internal->r_type)
1792 relent->howto = &xcoff64_howto_table[0x1d];
1793 else if (R_RBR == internal->r_type)
1794 relent->howto = &xcoff64_howto_table[0x1e];
1795 else if (R_RBA == internal->r_type)
1796 relent->howto = &xcoff64_howto_table[0x1f];
1797 }
1798 /* Special case 32 bit */
1799 else if (31 == (internal->r_size & 0x3f))
1800 {
1801 if (R_POS == internal->r_type)
1802 relent->howto = &xcoff64_howto_table[0x1c];
1803 }
1804
1805 /* The r_size field of an XCOFF reloc encodes the bitsize of the
1806 relocation, as well as indicating whether it is signed or not.
1807 Doublecheck that the relocation information gathered from the
1808 type matches this information. The bitsize is not significant
1809 for R_REF relocs. */
1810 if (relent->howto->dst_mask != 0
1811 && (relent->howto->bitsize
1812 != ((unsigned int) internal->r_size & 0x3f) + 1))
1813 abort ();
1814 }
1815
1816 reloc_howto_type *
1817 xcoff64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1818 bfd_reloc_code_real_type code)
1819 {
1820 switch (code)
1821 {
1822 case BFD_RELOC_PPC_B26:
1823 return &xcoff64_howto_table[0xa];
1824 case BFD_RELOC_PPC_BA16:
1825 return &xcoff64_howto_table[0x1d];
1826 case BFD_RELOC_PPC_BA26:
1827 return &xcoff64_howto_table[8];
1828 case BFD_RELOC_PPC_TOC16:
1829 return &xcoff64_howto_table[3];
1830 case BFD_RELOC_16:
1831 /* Note that this relocation is only internally used by gas. */
1832 return &xcoff64_howto_table[0xc];
1833 case BFD_RELOC_PPC_B16:
1834 return &xcoff64_howto_table[0x1e];
1835 case BFD_RELOC_32:
1836 case BFD_RELOC_CTOR:
1837 return &xcoff64_howto_table[0x1c];
1838 case BFD_RELOC_64:
1839 return &xcoff64_howto_table[0];
1840 case BFD_RELOC_NONE:
1841 return &xcoff64_howto_table[0xf];
1842 default:
1843 return NULL;
1844 }
1845 }
1846
1847 static reloc_howto_type *
1848 xcoff64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1849 const char *r_name)
1850 {
1851 unsigned int i;
1852
1853 for (i = 0;
1854 i < sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]);
1855 i++)
1856 if (xcoff64_howto_table[i].name != NULL
1857 && strcasecmp (xcoff64_howto_table[i].name, r_name) == 0)
1858 return &xcoff64_howto_table[i];
1859
1860 return NULL;
1861 }
1862
1863 /* Read in the armap of an XCOFF archive. */
1864
1865 static bfd_boolean
1866 xcoff64_slurp_armap (bfd *abfd)
1867 {
1868 file_ptr off;
1869 size_t namlen;
1870 bfd_size_type sz, amt;
1871 bfd_byte *contents, *cend;
1872 bfd_vma c, i;
1873 carsym *arsym;
1874 bfd_byte *p;
1875 file_ptr pos;
1876
1877 /* This is for the new format. */
1878 struct xcoff_ar_hdr_big hdr;
1879
1880 if (xcoff_ardata (abfd) == NULL)
1881 {
1882 bfd_has_map (abfd) = FALSE;
1883 return TRUE;
1884 }
1885
1886 off = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64,
1887 (const char **) NULL, 10);
1888 if (off == 0)
1889 {
1890 bfd_has_map (abfd) = FALSE;
1891 return TRUE;
1892 }
1893
1894 if (bfd_seek (abfd, off, SEEK_SET) != 0)
1895 return FALSE;
1896
1897 /* The symbol table starts with a normal archive header. */
1898 if (bfd_bread (&hdr, (bfd_size_type) SIZEOF_AR_HDR_BIG, abfd)
1899 != SIZEOF_AR_HDR_BIG)
1900 return FALSE;
1901
1902 /* Skip the name (normally empty). */
1903 namlen = strtol (hdr.namlen, (char **) NULL, 10);
1904 pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG;
1905 if (bfd_seek (abfd, pos, SEEK_CUR) != 0)
1906 return FALSE;
1907
1908 sz = bfd_scan_vma (hdr.size, (const char **) NULL, 10);
1909
1910 /* Read in the entire symbol table. */
1911 contents = (bfd_byte *) bfd_alloc (abfd, sz);
1912 if (contents == NULL)
1913 return FALSE;
1914 if (bfd_bread (contents, sz, abfd) != sz)
1915 return FALSE;
1916
1917 /* The symbol table starts with an eight byte count. */
1918 c = H_GET_64 (abfd, contents);
1919
1920 if (c * 8 >= sz)
1921 {
1922 bfd_set_error (bfd_error_bad_value);
1923 return FALSE;
1924 }
1925 amt = c;
1926 amt *= sizeof (carsym);
1927 bfd_ardata (abfd)->symdefs = (carsym *) bfd_alloc (abfd, amt);
1928 if (bfd_ardata (abfd)->symdefs == NULL)
1929 return FALSE;
1930
1931 /* After the count comes a list of eight byte file offsets. */
1932 for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 8;
1933 i < c;
1934 ++i, ++arsym, p += 8)
1935 arsym->file_offset = H_GET_64 (abfd, p);
1936
1937 /* After the file offsets come null terminated symbol names. */
1938 cend = contents + sz;
1939 for (i = 0, arsym = bfd_ardata (abfd)->symdefs;
1940 i < c;
1941 ++i, ++arsym, p += strlen ((char *) p) + 1)
1942 {
1943 if (p >= cend)
1944 {
1945 bfd_set_error (bfd_error_bad_value);
1946 return FALSE;
1947 }
1948 arsym->name = (char *) p;
1949 }
1950
1951 bfd_ardata (abfd)->symdef_count = c;
1952 bfd_has_map (abfd) = TRUE;
1953
1954 return TRUE;
1955 }
1956
1957
1958 /* See if this is an NEW XCOFF archive. */
1959
1960 static const bfd_target *
1961 xcoff64_archive_p (bfd *abfd)
1962 {
1963 struct artdata *tdata_hold;
1964 char magic[SXCOFFARMAG];
1965 /* This is the new format. */
1966 struct xcoff_ar_file_hdr_big hdr;
1967 bfd_size_type amt = SXCOFFARMAG;
1968
1969 if (bfd_bread (magic, amt, abfd) != amt)
1970 {
1971 if (bfd_get_error () != bfd_error_system_call)
1972 bfd_set_error (bfd_error_wrong_format);
1973 return NULL;
1974 }
1975
1976 if (strncmp (magic, XCOFFARMAGBIG, SXCOFFARMAG) != 0)
1977 {
1978 bfd_set_error (bfd_error_wrong_format);
1979 return NULL;
1980 }
1981
1982 /* Copy over the magic string. */
1983 memcpy (hdr.magic, magic, SXCOFFARMAG);
1984
1985 /* Now read the rest of the file header. */
1986 amt = SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG;
1987 if (bfd_bread (&hdr.memoff, amt, abfd) != amt)
1988 {
1989 if (bfd_get_error () != bfd_error_system_call)
1990 bfd_set_error (bfd_error_wrong_format);
1991 return NULL;
1992 }
1993
1994 tdata_hold = bfd_ardata (abfd);
1995
1996 amt = sizeof (struct artdata);
1997 bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt);
1998 if (bfd_ardata (abfd) == (struct artdata *) NULL)
1999 goto error_ret_restore;
2000
2001 /* Already cleared by bfd_zalloc above.
2002 bfd_ardata (abfd)->cache = NULL;
2003 bfd_ardata (abfd)->archive_head = NULL;
2004 bfd_ardata (abfd)->symdefs = NULL;
2005 bfd_ardata (abfd)->extended_names = NULL;
2006 bfd_ardata (abfd)->extended_names_size = 0; */
2007 bfd_ardata (abfd)->first_file_filepos = bfd_scan_vma (hdr.firstmemoff,
2008 (const char **) NULL,
2009 10);
2010
2011 amt = SIZEOF_AR_FILE_HDR_BIG;
2012 bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt);
2013 if (bfd_ardata (abfd)->tdata == NULL)
2014 goto error_ret;
2015
2016 memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG);
2017
2018 if (! xcoff64_slurp_armap (abfd))
2019 {
2020 error_ret:
2021 bfd_release (abfd, bfd_ardata (abfd));
2022 error_ret_restore:
2023 bfd_ardata (abfd) = tdata_hold;
2024 return NULL;
2025 }
2026
2027 return abfd->xvec;
2028 }
2029
2030
2031 /* Open the next element in an XCOFF archive. */
2032
2033 static bfd *
2034 xcoff64_openr_next_archived_file (bfd *archive, bfd *last_file)
2035 {
2036 bfd_vma filestart;
2037
2038 if ((xcoff_ardata (archive) == NULL)
2039 || ! xcoff_big_format_p (archive))
2040 {
2041 bfd_set_error (bfd_error_invalid_operation);
2042 return NULL;
2043 }
2044
2045 if (last_file == NULL)
2046 {
2047 filestart = bfd_ardata (archive)->first_file_filepos;
2048 }
2049 else
2050 {
2051 filestart = bfd_scan_vma (arch_xhdr_big (last_file)->nextoff,
2052 (const char **) NULL, 10);
2053 }
2054
2055 if (filestart == 0
2056 || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->memoff,
2057 (const char **) NULL, 10)
2058 || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->symoff,
2059 (const char **) NULL, 10))
2060 {
2061 bfd_set_error (bfd_error_no_more_archived_files);
2062 return NULL;
2063 }
2064
2065 return _bfd_get_elt_at_filepos (archive, (file_ptr) filestart);
2066 }
2067
2068 /* We can't use the usual coff_sizeof_headers routine, because AIX
2069 always uses an a.out header. */
2070
2071 static int
2072 xcoff64_sizeof_headers (bfd *abfd,
2073 struct bfd_link_info *info ATTRIBUTE_UNUSED)
2074 {
2075 int size;
2076
2077 size = bfd_coff_filhsz (abfd);
2078
2079 /* Don't think the small aout header can be used since some of the
2080 old elements have been reordered past the end of the old coff
2081 small aout size. */
2082
2083 if (xcoff_data (abfd)->full_aouthdr)
2084 size += bfd_coff_aoutsz (abfd);
2085
2086 size += abfd->section_count * bfd_coff_scnhsz (abfd);
2087 return size;
2088 }
2089
2090 static asection *
2091 xcoff64_create_csect_from_smclas (bfd *abfd, union internal_auxent *aux,
2092 const char *symbol_name)
2093 {
2094 asection *return_value = NULL;
2095
2096 /* Changes from 32 :
2097 .sv == 8, is only for 32 bit programs
2098 .ti == 12 and .tb == 13 are now reserved. */
2099 static const char *names[19] =
2100 {
2101 ".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo",
2102 NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0",
2103 ".td", ".sv64", ".sv3264"
2104 };
2105
2106 if ((19 >= aux->x_csect.x_smclas)
2107 && (NULL != names[aux->x_csect.x_smclas]))
2108 {
2109
2110 return_value = bfd_make_section_anyway
2111 (abfd, names[aux->x_csect.x_smclas]);
2112
2113 }
2114 else
2115 {
2116 (*_bfd_error_handler)
2117 (_("%B: symbol `%s' has unrecognized smclas %d"),
2118 abfd, symbol_name, aux->x_csect.x_smclas);
2119 bfd_set_error (bfd_error_bad_value);
2120 }
2121
2122 return return_value;
2123 }
2124
2125 static bfd_boolean
2126 xcoff64_is_lineno_count_overflow (bfd *abfd ATTRIBUTE_UNUSED,
2127 bfd_vma value ATTRIBUTE_UNUSED)
2128 {
2129 return FALSE;
2130 }
2131
2132 static bfd_boolean
2133 xcoff64_is_reloc_count_overflow (bfd *abfd ATTRIBUTE_UNUSED,
2134 bfd_vma value ATTRIBUTE_UNUSED)
2135 {
2136 return FALSE;
2137 }
2138
2139 static bfd_vma
2140 xcoff64_loader_symbol_offset (bfd *abfd ATTRIBUTE_UNUSED,
2141 struct internal_ldhdr *ldhdr)
2142 {
2143 return (ldhdr->l_symoff);
2144 }
2145
2146 static bfd_vma
2147 xcoff64_loader_reloc_offset (bfd *abfd ATTRIBUTE_UNUSED,
2148 struct internal_ldhdr *ldhdr)
2149 {
2150 return (ldhdr->l_rldoff);
2151 }
2152
2153 static bfd_boolean
2154 xcoff64_bad_format_hook (bfd * abfd, void *filehdr)
2155 {
2156 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
2157
2158 /* Check flavor first. */
2159 if (bfd_get_flavour (abfd) != bfd_target_xcoff_flavour)
2160 return FALSE;
2161
2162 if (bfd_xcoff_magic_number (abfd) != internal_f->f_magic)
2163 return FALSE;
2164
2165 return TRUE;
2166 }
2167
2168 static bfd_boolean
2169 xcoff64_generate_rtinit (bfd *abfd, const char *init, const char *fini,
2170 bfd_boolean rtld)
2171 {
2172 bfd_byte filehdr_ext[FILHSZ];
2173 bfd_byte scnhdr_ext[SCNHSZ * 3];
2174 bfd_byte syment_ext[SYMESZ * 10];
2175 bfd_byte reloc_ext[RELSZ * 3];
2176 bfd_byte *data_buffer;
2177 bfd_size_type data_buffer_size;
2178 bfd_byte *string_table, *st_tmp;
2179 bfd_size_type string_table_size;
2180 bfd_vma val;
2181 size_t initsz, finisz;
2182 struct internal_filehdr filehdr;
2183 struct internal_scnhdr text_scnhdr;
2184 struct internal_scnhdr data_scnhdr;
2185 struct internal_scnhdr bss_scnhdr;
2186 struct internal_syment syment;
2187 union internal_auxent auxent;
2188 struct internal_reloc reloc;
2189
2190 char *text_name = ".text";
2191 char *data_name = ".data";
2192 char *bss_name = ".bss";
2193 char *rtinit_name = "__rtinit";
2194 char *rtld_name = "__rtld";
2195
2196 if (! bfd_xcoff_rtinit_size (abfd))
2197 return FALSE;
2198
2199 initsz = (init == NULL ? 0 : 1 + strlen (init));
2200 finisz = (fini == NULL ? 0 : 1 + strlen (fini));
2201
2202 /* File header. */
2203 memset (filehdr_ext, 0, FILHSZ);
2204 memset (&filehdr, 0, sizeof (struct internal_filehdr));
2205 filehdr.f_magic = bfd_xcoff_magic_number (abfd);
2206 filehdr.f_nscns = 3;
2207 filehdr.f_timdat = 0;
2208 filehdr.f_nsyms = 0; /* at least 6, no more than 8 */
2209 filehdr.f_symptr = 0; /* set below */
2210 filehdr.f_opthdr = 0;
2211 filehdr.f_flags = 0;
2212
2213 /* Section headers. */
2214 memset (scnhdr_ext, 0, 3 * SCNHSZ);
2215
2216 /* Text. */
2217 memset (&text_scnhdr, 0, sizeof (struct internal_scnhdr));
2218 memcpy (text_scnhdr.s_name, text_name, strlen (text_name));
2219 text_scnhdr.s_paddr = 0;
2220 text_scnhdr.s_vaddr = 0;
2221 text_scnhdr.s_size = 0;
2222 text_scnhdr.s_scnptr = 0;
2223 text_scnhdr.s_relptr = 0;
2224 text_scnhdr.s_lnnoptr = 0;
2225 text_scnhdr.s_nreloc = 0;
2226 text_scnhdr.s_nlnno = 0;
2227 text_scnhdr.s_flags = STYP_TEXT;
2228
2229 /* Data. */
2230 memset (&data_scnhdr, 0, sizeof (struct internal_scnhdr));
2231 memcpy (data_scnhdr.s_name, data_name, strlen (data_name));
2232 data_scnhdr.s_paddr = 0;
2233 data_scnhdr.s_vaddr = 0;
2234 data_scnhdr.s_size = 0; /* set below */
2235 data_scnhdr.s_scnptr = FILHSZ + 3 * SCNHSZ;
2236 data_scnhdr.s_relptr = 0; /* set below */
2237 data_scnhdr.s_lnnoptr = 0;
2238 data_scnhdr.s_nreloc = 0; /* either 1 or 2 */
2239 data_scnhdr.s_nlnno = 0;
2240 data_scnhdr.s_flags = STYP_DATA;
2241
2242 /* Bss. */
2243 memset (&bss_scnhdr, 0, sizeof (struct internal_scnhdr));
2244 memcpy (bss_scnhdr.s_name, bss_name, strlen (bss_name));
2245 bss_scnhdr.s_paddr = 0; /* set below */
2246 bss_scnhdr.s_vaddr = 0; /* set below */
2247 bss_scnhdr.s_size = 0; /* set below */
2248 bss_scnhdr.s_scnptr = 0;
2249 bss_scnhdr.s_relptr = 0;
2250 bss_scnhdr.s_lnnoptr = 0;
2251 bss_scnhdr.s_nreloc = 0;
2252 bss_scnhdr.s_nlnno = 0;
2253 bss_scnhdr.s_flags = STYP_BSS;
2254
2255 /* .data
2256 0x0000 0x00000000 : rtl
2257 0x0004 0x00000000 :
2258 0x0008 0x00000018 : offset to init, or 0
2259 0x000C 0x00000038 : offset to fini, or 0
2260 0x0010 0x00000010 : size of descriptor
2261 0x0014 0x00000000 : pad
2262 0x0018 0x00000000 : init, needs a reloc
2263 0x001C 0x00000000 :
2264 0x0020 0x00000058 : offset to init name
2265 0x0024 0x00000000 : flags, padded to a word
2266 0x0028 0x00000000 : empty init
2267 0x002C 0x00000000 :
2268 0x0030 0x00000000 :
2269 0x0034 0x00000000 :
2270 0x0038 0x00000000 : fini, needs a reloc
2271 0x003C 0x00000000 :
2272 0x0040 0x00000??? : offset to fini name
2273 0x0044 0x00000000 : flags, padded to a word
2274 0x0048 0x00000000 : empty fini
2275 0x004C 0x00000000 :
2276 0x0050 0x00000000 :
2277 0x0054 0x00000000 :
2278 0x0058 init name
2279 0x0058 + initsz fini name */
2280
2281 data_buffer_size = 0x0058 + initsz + finisz;
2282 data_buffer_size = (data_buffer_size + 7) &~ (bfd_size_type) 7;
2283 data_buffer = NULL;
2284 data_buffer = (bfd_byte *) bfd_zmalloc (data_buffer_size);
2285 if (data_buffer == NULL)
2286 return FALSE;
2287
2288 if (initsz)
2289 {
2290 val = 0x18;
2291 bfd_put_32 (abfd, val, &data_buffer[0x08]);
2292 val = 0x58;
2293 bfd_put_32 (abfd, val, &data_buffer[0x20]);
2294 memcpy (&data_buffer[val], init, initsz);
2295 }
2296
2297 if (finisz)
2298 {
2299 val = 0x38;
2300 bfd_put_32 (abfd, val, &data_buffer[0x0C]);
2301 val = 0x58 + initsz;
2302 bfd_put_32 (abfd, val, &data_buffer[0x40]);
2303 memcpy (&data_buffer[val], fini, finisz);
2304 }
2305
2306 val = 0x10;
2307 bfd_put_32 (abfd, val, &data_buffer[0x10]);
2308 data_scnhdr.s_size = data_buffer_size;
2309 bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size;
2310
2311 /* String table. */
2312 string_table_size = 4;
2313 string_table_size += strlen (data_name) + 1;
2314 string_table_size += strlen (rtinit_name) + 1;
2315 string_table_size += initsz;
2316 string_table_size += finisz;
2317 if (rtld)
2318 string_table_size += strlen (rtld_name) + 1;
2319
2320 string_table = (bfd_byte *) bfd_zmalloc (string_table_size);
2321 if (string_table == NULL)
2322 return FALSE;
2323
2324 val = string_table_size;
2325 bfd_put_32 (abfd, val, &string_table[0]);
2326 st_tmp = string_table + 4;
2327
2328 /* symbols
2329 0. .data csect
2330 2. __rtinit
2331 4. init function
2332 6. fini function
2333 8. __rtld */
2334 memset (syment_ext, 0, 10 * SYMESZ);
2335 memset (reloc_ext, 0, 3 * RELSZ);
2336
2337 /* .data csect */
2338 memset (&syment, 0, sizeof (struct internal_syment));
2339 memset (&auxent, 0, sizeof (union internal_auxent));
2340
2341 syment._n._n_n._n_offset = st_tmp - string_table;
2342 memcpy (st_tmp, data_name, strlen (data_name));
2343 st_tmp += strlen (data_name) + 1;
2344
2345 syment.n_scnum = 2;
2346 syment.n_sclass = C_HIDEXT;
2347 syment.n_numaux = 1;
2348 auxent.x_csect.x_scnlen.l = data_buffer_size;
2349 auxent.x_csect.x_smtyp = 3 << 3 | XTY_SD;
2350 auxent.x_csect.x_smclas = XMC_RW;
2351 bfd_coff_swap_sym_out (abfd, &syment,
2352 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2353 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2354 syment.n_numaux,
2355 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2356 filehdr.f_nsyms += 2;
2357
2358 /* __rtinit */
2359 memset (&syment, 0, sizeof (struct internal_syment));
2360 memset (&auxent, 0, sizeof (union internal_auxent));
2361 syment._n._n_n._n_offset = st_tmp - string_table;
2362 memcpy (st_tmp, rtinit_name, strlen (rtinit_name));
2363 st_tmp += strlen (rtinit_name) + 1;
2364
2365 syment.n_scnum = 2;
2366 syment.n_sclass = C_EXT;
2367 syment.n_numaux = 1;
2368 auxent.x_csect.x_smtyp = XTY_LD;
2369 auxent.x_csect.x_smclas = XMC_RW;
2370 bfd_coff_swap_sym_out (abfd, &syment,
2371 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2372 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2373 syment.n_numaux,
2374 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2375 filehdr.f_nsyms += 2;
2376
2377 /* Init. */
2378 if (initsz)
2379 {
2380 memset (&syment, 0, sizeof (struct internal_syment));
2381 memset (&auxent, 0, sizeof (union internal_auxent));
2382
2383 syment._n._n_n._n_offset = st_tmp - string_table;
2384 memcpy (st_tmp, init, initsz);
2385 st_tmp += initsz;
2386
2387 syment.n_sclass = C_EXT;
2388 syment.n_numaux = 1;
2389 bfd_coff_swap_sym_out (abfd, &syment,
2390 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2391 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2392 syment.n_numaux,
2393 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2394 /* Reloc. */
2395 memset (&reloc, 0, sizeof (struct internal_reloc));
2396 reloc.r_vaddr = 0x0018;
2397 reloc.r_symndx = filehdr.f_nsyms;
2398 reloc.r_type = R_POS;
2399 reloc.r_size = 63;
2400 bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]);
2401
2402 filehdr.f_nsyms += 2;
2403 data_scnhdr.s_nreloc += 1;
2404 }
2405
2406 /* Finit. */
2407 if (finisz)
2408 {
2409 memset (&syment, 0, sizeof (struct internal_syment));
2410 memset (&auxent, 0, sizeof (union internal_auxent));
2411
2412 syment._n._n_n._n_offset = st_tmp - string_table;
2413 memcpy (st_tmp, fini, finisz);
2414 st_tmp += finisz;
2415
2416 syment.n_sclass = C_EXT;
2417 syment.n_numaux = 1;
2418 bfd_coff_swap_sym_out (abfd, &syment,
2419 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2420 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2421 syment.n_numaux,
2422 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2423
2424 /* Reloc. */
2425 memset (&reloc, 0, sizeof (struct internal_reloc));
2426 reloc.r_vaddr = 0x0038;
2427 reloc.r_symndx = filehdr.f_nsyms;
2428 reloc.r_type = R_POS;
2429 reloc.r_size = 63;
2430 bfd_coff_swap_reloc_out (abfd, &reloc,
2431 &reloc_ext[data_scnhdr.s_nreloc * RELSZ]);
2432
2433 filehdr.f_nsyms += 2;
2434 data_scnhdr.s_nreloc += 1;
2435 }
2436
2437 if (rtld)
2438 {
2439 memset (&syment, 0, sizeof (struct internal_syment));
2440 memset (&auxent, 0, sizeof (union internal_auxent));
2441
2442 syment._n._n_n._n_offset = st_tmp - string_table;
2443 memcpy (st_tmp, rtld_name, strlen (rtld_name));
2444 st_tmp += strlen (rtld_name) + 1;
2445
2446 syment.n_sclass = C_EXT;
2447 syment.n_numaux = 1;
2448 bfd_coff_swap_sym_out (abfd, &syment,
2449 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2450 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2451 syment.n_numaux,
2452 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2453
2454 /* Reloc. */
2455 memset (&reloc, 0, sizeof (struct internal_reloc));
2456 reloc.r_vaddr = 0x0000;
2457 reloc.r_symndx = filehdr.f_nsyms;
2458 reloc.r_type = R_POS;
2459 reloc.r_size = 63;
2460 bfd_coff_swap_reloc_out (abfd, &reloc,
2461 &reloc_ext[data_scnhdr.s_nreloc * RELSZ]);
2462
2463 filehdr.f_nsyms += 2;
2464 data_scnhdr.s_nreloc += 1;
2465
2466 bss_scnhdr.s_size = 0;
2467 }
2468
2469 data_scnhdr.s_relptr = data_scnhdr.s_scnptr + data_buffer_size;
2470 filehdr.f_symptr = data_scnhdr.s_relptr + data_scnhdr.s_nreloc * RELSZ;
2471
2472 bfd_coff_swap_filehdr_out (abfd, &filehdr, filehdr_ext);
2473 bfd_bwrite (filehdr_ext, FILHSZ, abfd);
2474 bfd_coff_swap_scnhdr_out (abfd, &text_scnhdr, &scnhdr_ext[SCNHSZ * 0]);
2475 bfd_coff_swap_scnhdr_out (abfd, &data_scnhdr, &scnhdr_ext[SCNHSZ * 1]);
2476 bfd_coff_swap_scnhdr_out (abfd, &bss_scnhdr, &scnhdr_ext[SCNHSZ * 2]);
2477 bfd_bwrite (scnhdr_ext, 3 * SCNHSZ, abfd);
2478 bfd_bwrite (data_buffer, data_buffer_size, abfd);
2479 bfd_bwrite (reloc_ext, data_scnhdr.s_nreloc * RELSZ, abfd);
2480 bfd_bwrite (syment_ext, filehdr.f_nsyms * SYMESZ, abfd);
2481 bfd_bwrite (string_table, string_table_size, abfd);
2482
2483 free (data_buffer);
2484 data_buffer = NULL;
2485
2486 return TRUE;
2487 }
2488
2489 /* The typical dynamic reloc. */
2490
2491 static reloc_howto_type xcoff64_dynamic_reloc =
2492 HOWTO (0, /* type */
2493 0, /* rightshift */
2494 4, /* size (0 = byte, 1 = short, 2 = long) */
2495 64, /* bitsize */
2496 FALSE, /* pc_relative */
2497 0, /* bitpos */
2498 complain_overflow_bitfield, /* complain_on_overflow */
2499 0, /* special_function */
2500 "R_POS", /* name */
2501 TRUE, /* partial_inplace */
2502 MINUS_ONE, /* src_mask */
2503 MINUS_ONE, /* dst_mask */
2504 FALSE); /* pcrel_offset */
2505
2506 static unsigned long xcoff64_glink_code[10] =
2507 {
2508 0xe9820000, /* ld r12,0(r2) */
2509 0xf8410028, /* std r2,40(r1) */
2510 0xe80c0000, /* ld r0,0(r12) */
2511 0xe84c0008, /* ld r0,8(r12) */
2512 0x7c0903a6, /* mtctr r0 */
2513 0x4e800420, /* bctr */
2514 0x00000000, /* start of traceback table */
2515 0x000ca000, /* traceback table */
2516 0x00000000, /* traceback table */
2517 0x00000018, /* ??? */
2518 };
2519
2520 static const struct xcoff_backend_data_rec bfd_xcoff_backend_data =
2521 {
2522 { /* COFF backend, defined in libcoff.h. */
2523 _bfd_xcoff64_swap_aux_in,
2524 _bfd_xcoff64_swap_sym_in,
2525 _bfd_xcoff64_swap_lineno_in,
2526 _bfd_xcoff64_swap_aux_out,
2527 _bfd_xcoff64_swap_sym_out,
2528 _bfd_xcoff64_swap_lineno_out,
2529 xcoff64_swap_reloc_out,
2530 coff_swap_filehdr_out,
2531 coff_swap_aouthdr_out,
2532 coff_swap_scnhdr_out,
2533 FILHSZ,
2534 AOUTSZ,
2535 SCNHSZ,
2536 SYMESZ,
2537 AUXESZ,
2538 RELSZ,
2539 LINESZ,
2540 FILNMLEN,
2541 TRUE, /* _bfd_coff_long_filenames */
2542 XCOFF_NO_LONG_SECTION_NAMES, /* _bfd_coff_long_section_names */
2543 3, /* _bfd_coff_default_section_alignment_power */
2544 TRUE, /* _bfd_coff_force_symnames_in_strings */
2545 4, /* _bfd_coff_debug_string_prefix_length */
2546 coff_swap_filehdr_in,
2547 coff_swap_aouthdr_in,
2548 coff_swap_scnhdr_in,
2549 xcoff64_swap_reloc_in,
2550 xcoff64_bad_format_hook,
2551 coff_set_arch_mach_hook,
2552 coff_mkobject_hook,
2553 styp_to_sec_flags,
2554 coff_set_alignment_hook,
2555 coff_slurp_symbol_table,
2556 symname_in_debug_hook,
2557 coff_pointerize_aux_hook,
2558 coff_print_aux,
2559 dummy_reloc16_extra_cases,
2560 dummy_reloc16_estimate,
2561 NULL, /* bfd_coff_symbol_classification */
2562 coff_compute_section_file_positions,
2563 NULL, /* _bfd_coff_start_final_link */
2564 xcoff64_ppc_relocate_section,
2565 coff_rtype_to_howto,
2566 NULL, /* _bfd_coff_adjust_symndx */
2567 _bfd_generic_link_add_one_symbol,
2568 coff_link_output_has_begun,
2569 coff_final_link_postscript,
2570 NULL /* print_pdata. */
2571 },
2572
2573 0x01EF, /* magic number */
2574 bfd_arch_powerpc,
2575 bfd_mach_ppc_620,
2576
2577 /* Function pointers to xcoff specific swap routines. */
2578 xcoff64_swap_ldhdr_in,
2579 xcoff64_swap_ldhdr_out,
2580 xcoff64_swap_ldsym_in,
2581 xcoff64_swap_ldsym_out,
2582 xcoff64_swap_ldrel_in,
2583 xcoff64_swap_ldrel_out,
2584
2585 /* Sizes. */
2586 LDHDRSZ,
2587 LDSYMSZ,
2588 LDRELSZ,
2589 24, /* _xcoff_function_descriptor_size */
2590 0, /* _xcoff_small_aout_header_size */
2591
2592 /* Versions. */
2593 2, /* _xcoff_ldhdr_version */
2594
2595 _bfd_xcoff64_put_symbol_name,
2596 _bfd_xcoff64_put_ldsymbol_name,
2597 &xcoff64_dynamic_reloc,
2598 xcoff64_create_csect_from_smclas,
2599
2600 /* Lineno and reloc count overflow. */
2601 xcoff64_is_lineno_count_overflow,
2602 xcoff64_is_reloc_count_overflow,
2603
2604 xcoff64_loader_symbol_offset,
2605 xcoff64_loader_reloc_offset,
2606
2607 /* glink. */
2608 &xcoff64_glink_code[0],
2609 40, /* _xcoff_glink_size */
2610
2611 /* rtinit. */
2612 88, /* _xcoff_rtinit_size */
2613 xcoff64_generate_rtinit,
2614 };
2615
2616 /* The transfer vector that leads the outside world to all of the above. */
2617 const bfd_target rs6000coff64_vec =
2618 {
2619 "aixcoff64-rs6000",
2620 bfd_target_xcoff_flavour,
2621 BFD_ENDIAN_BIG, /* data byte order is big */
2622 BFD_ENDIAN_BIG, /* header byte order is big */
2623
2624 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC
2625 | HAS_SYMS | HAS_LOCALS | WP_TEXT),
2626
2627 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA,
2628 0, /* leading char */
2629 '/', /* ar_pad_char */
2630 15, /* ar_max_namelen */
2631 0, /* match priority. */
2632
2633 /* data */
2634 bfd_getb64,
2635 bfd_getb_signed_64,
2636 bfd_putb64,
2637 bfd_getb32,
2638 bfd_getb_signed_32,
2639 bfd_putb32,
2640 bfd_getb16,
2641 bfd_getb_signed_16,
2642 bfd_putb16,
2643
2644 /* hdrs */
2645 bfd_getb64,
2646 bfd_getb_signed_64,
2647 bfd_putb64,
2648 bfd_getb32,
2649 bfd_getb_signed_32,
2650 bfd_putb32,
2651 bfd_getb16,
2652 bfd_getb_signed_16,
2653 bfd_putb16,
2654
2655 { /* bfd_check_format */
2656 _bfd_dummy_target,
2657 coff_object_p,
2658 xcoff64_archive_p,
2659 CORE_FILE_P
2660 },
2661
2662 { /* bfd_set_format */
2663 bfd_false,
2664 coff_mkobject,
2665 _bfd_generic_mkarchive,
2666 bfd_false
2667 },
2668
2669 {/* bfd_write_contents */
2670 bfd_false,
2671 xcoff64_write_object_contents,
2672 _bfd_xcoff_write_archive_contents,
2673 bfd_false
2674 },
2675
2676 /* Generic */
2677 _bfd_archive_close_and_cleanup,
2678 bfd_true,
2679 coff_new_section_hook,
2680 _bfd_generic_get_section_contents,
2681 _bfd_generic_get_section_contents_in_window,
2682
2683 /* Copy */
2684 _bfd_xcoff_copy_private_bfd_data,
2685 _bfd_generic_bfd_merge_private_bfd_data,
2686 _bfd_generic_init_private_section_data,
2687 _bfd_generic_bfd_copy_private_section_data,
2688 _bfd_generic_bfd_copy_private_symbol_data,
2689 _bfd_generic_bfd_copy_private_header_data,
2690 _bfd_generic_bfd_set_private_flags,
2691 _bfd_generic_bfd_print_private_bfd_data,
2692
2693 /* Core */
2694 BFD_JUMP_TABLE_CORE (coff),
2695
2696 /* Archive */
2697 xcoff64_slurp_armap,
2698 _bfd_noarchive_slurp_extended_name_table,
2699 _bfd_noarchive_construct_extended_name_table,
2700 bfd_dont_truncate_arname,
2701 _bfd_xcoff_write_armap,
2702 _bfd_xcoff_read_ar_hdr,
2703 _bfd_generic_write_ar_hdr,
2704 xcoff64_openr_next_archived_file,
2705 _bfd_generic_get_elt_at_index,
2706 _bfd_xcoff_stat_arch_elt,
2707 bfd_true,
2708
2709 /* Symbols */
2710 coff_get_symtab_upper_bound,
2711 coff_canonicalize_symtab,
2712 coff_make_empty_symbol,
2713 coff_print_symbol,
2714 coff_get_symbol_info,
2715 _bfd_xcoff_is_local_label_name,
2716 coff_bfd_is_target_special_symbol,
2717 coff_get_lineno,
2718 coff_find_nearest_line,
2719 _bfd_generic_find_nearest_line_discriminator,
2720 _bfd_generic_find_line,
2721 coff_find_inliner_info,
2722 coff_bfd_make_debug_symbol,
2723 _bfd_generic_read_minisymbols,
2724 _bfd_generic_minisymbol_to_symbol,
2725
2726 /* Reloc */
2727 coff_get_reloc_upper_bound,
2728 coff_canonicalize_reloc,
2729 xcoff64_reloc_type_lookup,
2730 xcoff64_reloc_name_lookup,
2731
2732 /* Write */
2733 coff_set_arch_mach,
2734 coff_set_section_contents,
2735
2736 /* Link */
2737 xcoff64_sizeof_headers,
2738 bfd_generic_get_relocated_section_contents,
2739 bfd_generic_relax_section,
2740 _bfd_xcoff_bfd_link_hash_table_create,
2741 _bfd_generic_link_hash_table_free,
2742 _bfd_xcoff_bfd_link_add_symbols,
2743 _bfd_generic_link_just_syms,
2744 _bfd_generic_copy_link_hash_symbol_type,
2745 _bfd_xcoff_bfd_final_link,
2746 _bfd_generic_link_split_section,
2747 bfd_generic_gc_sections,
2748 bfd_generic_lookup_section_flags,
2749 bfd_generic_merge_sections,
2750 bfd_generic_is_group_section,
2751 bfd_generic_discard_group,
2752 _bfd_generic_section_already_linked,
2753 _bfd_xcoff_define_common_symbol,
2754
2755 /* Dynamic */
2756 _bfd_xcoff_get_dynamic_symtab_upper_bound,
2757 _bfd_xcoff_canonicalize_dynamic_symtab,
2758 _bfd_nodynamic_get_synthetic_symtab,
2759 _bfd_xcoff_get_dynamic_reloc_upper_bound,
2760 _bfd_xcoff_canonicalize_dynamic_reloc,
2761
2762 /* Opposite endian version, none exists */
2763 NULL,
2764
2765 &bfd_xcoff_backend_data,
2766 };
2767
2768 extern const bfd_target *xcoff64_core_p
2769 (bfd *);
2770 extern bfd_boolean xcoff64_core_file_matches_executable_p
2771 (bfd *, bfd *);
2772 extern char *xcoff64_core_file_failing_command
2773 (bfd *);
2774 extern int xcoff64_core_file_failing_signal
2775 (bfd *);
2776 #define xcoff64_core_file_pid _bfd_nocore_core_file_pid
2777
2778 /* AIX 5 */
2779 static const struct xcoff_backend_data_rec bfd_xcoff_aix5_backend_data =
2780 {
2781 { /* COFF backend, defined in libcoff.h. */
2782 _bfd_xcoff64_swap_aux_in,
2783 _bfd_xcoff64_swap_sym_in,
2784 _bfd_xcoff64_swap_lineno_in,
2785 _bfd_xcoff64_swap_aux_out,
2786 _bfd_xcoff64_swap_sym_out,
2787 _bfd_xcoff64_swap_lineno_out,
2788 xcoff64_swap_reloc_out,
2789 coff_swap_filehdr_out,
2790 coff_swap_aouthdr_out,
2791 coff_swap_scnhdr_out,
2792 FILHSZ,
2793 AOUTSZ,
2794 SCNHSZ,
2795 SYMESZ,
2796 AUXESZ,
2797 RELSZ,
2798 LINESZ,
2799 FILNMLEN,
2800 TRUE, /* _bfd_coff_long_filenames */
2801 XCOFF_NO_LONG_SECTION_NAMES, /* _bfd_coff_long_section_names */
2802 3, /* _bfd_coff_default_section_alignment_power */
2803 TRUE, /* _bfd_coff_force_symnames_in_strings */
2804 4, /* _bfd_coff_debug_string_prefix_length */
2805 coff_swap_filehdr_in,
2806 coff_swap_aouthdr_in,
2807 coff_swap_scnhdr_in,
2808 xcoff64_swap_reloc_in,
2809 xcoff64_bad_format_hook,
2810 coff_set_arch_mach_hook,
2811 coff_mkobject_hook,
2812 styp_to_sec_flags,
2813 coff_set_alignment_hook,
2814 coff_slurp_symbol_table,
2815 symname_in_debug_hook,
2816 coff_pointerize_aux_hook,
2817 coff_print_aux,
2818 dummy_reloc16_extra_cases,
2819 dummy_reloc16_estimate,
2820 NULL, /* bfd_coff_sym_is_global */
2821 coff_compute_section_file_positions,
2822 NULL, /* _bfd_coff_start_final_link */
2823 xcoff64_ppc_relocate_section,
2824 coff_rtype_to_howto,
2825 NULL, /* _bfd_coff_adjust_symndx */
2826 _bfd_generic_link_add_one_symbol,
2827 coff_link_output_has_begun,
2828 coff_final_link_postscript,
2829 NULL /* print_pdata. */
2830 },
2831
2832 U64_TOCMAGIC, /* magic number */
2833 bfd_arch_powerpc,
2834 bfd_mach_ppc_620,
2835
2836 /* Function pointers to xcoff specific swap routines. */
2837 xcoff64_swap_ldhdr_in,
2838 xcoff64_swap_ldhdr_out,
2839 xcoff64_swap_ldsym_in,
2840 xcoff64_swap_ldsym_out,
2841 xcoff64_swap_ldrel_in,
2842 xcoff64_swap_ldrel_out,
2843
2844 /* Sizes. */
2845 LDHDRSZ,
2846 LDSYMSZ,
2847 LDRELSZ,
2848 24, /* _xcoff_function_descriptor_size */
2849 0, /* _xcoff_small_aout_header_size */
2850 /* Versions. */
2851 2, /* _xcoff_ldhdr_version */
2852
2853 _bfd_xcoff64_put_symbol_name,
2854 _bfd_xcoff64_put_ldsymbol_name,
2855 &xcoff64_dynamic_reloc,
2856 xcoff64_create_csect_from_smclas,
2857
2858 /* Lineno and reloc count overflow. */
2859 xcoff64_is_lineno_count_overflow,
2860 xcoff64_is_reloc_count_overflow,
2861
2862 xcoff64_loader_symbol_offset,
2863 xcoff64_loader_reloc_offset,
2864
2865 /* glink. */
2866 &xcoff64_glink_code[0],
2867 40, /* _xcoff_glink_size */
2868
2869 /* rtinit. */
2870 88, /* _xcoff_rtinit_size */
2871 xcoff64_generate_rtinit,
2872 };
2873
2874 /* The transfer vector that leads the outside world to all of the above. */
2875 const bfd_target aix5coff64_vec =
2876 {
2877 "aix5coff64-rs6000",
2878 bfd_target_xcoff_flavour,
2879 BFD_ENDIAN_BIG, /* data byte order is big */
2880 BFD_ENDIAN_BIG, /* header byte order is big */
2881
2882 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC
2883 | HAS_SYMS | HAS_LOCALS | WP_TEXT),
2884
2885 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA,
2886 0, /* leading char */
2887 '/', /* ar_pad_char */
2888 15, /* ar_max_namelen */
2889 0, /* match priority. */
2890
2891 /* data */
2892 bfd_getb64,
2893 bfd_getb_signed_64,
2894 bfd_putb64,
2895 bfd_getb32,
2896 bfd_getb_signed_32,
2897 bfd_putb32,
2898 bfd_getb16,
2899 bfd_getb_signed_16,
2900 bfd_putb16,
2901
2902 /* hdrs */
2903 bfd_getb64,
2904 bfd_getb_signed_64,
2905 bfd_putb64,
2906 bfd_getb32,
2907 bfd_getb_signed_32,
2908 bfd_putb32,
2909 bfd_getb16,
2910 bfd_getb_signed_16,
2911 bfd_putb16,
2912
2913 { /* bfd_check_format */
2914 _bfd_dummy_target,
2915 coff_object_p,
2916 xcoff64_archive_p,
2917 xcoff64_core_p
2918 },
2919
2920 { /* bfd_set_format */
2921 bfd_false,
2922 coff_mkobject,
2923 _bfd_generic_mkarchive,
2924 bfd_false
2925 },
2926
2927 {/* bfd_write_contents */
2928 bfd_false,
2929 xcoff64_write_object_contents,
2930 _bfd_xcoff_write_archive_contents,
2931 bfd_false
2932 },
2933
2934 /* Generic */
2935 _bfd_archive_close_and_cleanup,
2936 bfd_true,
2937 coff_new_section_hook,
2938 _bfd_generic_get_section_contents,
2939 _bfd_generic_get_section_contents_in_window,
2940
2941 /* Copy */
2942 _bfd_xcoff_copy_private_bfd_data,
2943 _bfd_generic_bfd_merge_private_bfd_data,
2944 _bfd_generic_init_private_section_data,
2945 _bfd_generic_bfd_copy_private_section_data,
2946 _bfd_generic_bfd_copy_private_symbol_data,
2947 _bfd_generic_bfd_copy_private_header_data,
2948 _bfd_generic_bfd_set_private_flags,
2949 _bfd_generic_bfd_print_private_bfd_data,
2950
2951 /* Core */
2952 BFD_JUMP_TABLE_CORE (xcoff64),
2953
2954 /* Archive */
2955 xcoff64_slurp_armap,
2956 _bfd_noarchive_slurp_extended_name_table,
2957 _bfd_noarchive_construct_extended_name_table,
2958 bfd_dont_truncate_arname,
2959 _bfd_xcoff_write_armap,
2960 _bfd_xcoff_read_ar_hdr,
2961 _bfd_generic_write_ar_hdr,
2962 xcoff64_openr_next_archived_file,
2963 _bfd_generic_get_elt_at_index,
2964 _bfd_xcoff_stat_arch_elt,
2965 bfd_true,
2966
2967 /* Symbols */
2968 coff_get_symtab_upper_bound,
2969 coff_canonicalize_symtab,
2970 coff_make_empty_symbol,
2971 coff_print_symbol,
2972 coff_get_symbol_info,
2973 _bfd_xcoff_is_local_label_name,
2974 coff_bfd_is_target_special_symbol,
2975 coff_get_lineno,
2976 coff_find_nearest_line,
2977 _bfd_generic_find_nearest_line_discriminator,
2978 _bfd_generic_find_line,
2979 coff_find_inliner_info,
2980 coff_bfd_make_debug_symbol,
2981 _bfd_generic_read_minisymbols,
2982 _bfd_generic_minisymbol_to_symbol,
2983
2984 /* Reloc */
2985 coff_get_reloc_upper_bound,
2986 coff_canonicalize_reloc,
2987 xcoff64_reloc_type_lookup,
2988 xcoff64_reloc_name_lookup,
2989
2990 /* Write */
2991 coff_set_arch_mach,
2992 coff_set_section_contents,
2993
2994 /* Link */
2995 xcoff64_sizeof_headers,
2996 bfd_generic_get_relocated_section_contents,
2997 bfd_generic_relax_section,
2998 _bfd_xcoff_bfd_link_hash_table_create,
2999 _bfd_generic_link_hash_table_free,
3000 _bfd_xcoff_bfd_link_add_symbols,
3001 _bfd_generic_link_just_syms,
3002 _bfd_generic_copy_link_hash_symbol_type,
3003 _bfd_xcoff_bfd_final_link,
3004 _bfd_generic_link_split_section,
3005 bfd_generic_gc_sections,
3006 bfd_generic_lookup_section_flags,
3007 bfd_generic_merge_sections,
3008 bfd_generic_is_group_section,
3009 bfd_generic_discard_group,
3010 _bfd_generic_section_already_linked,
3011 _bfd_xcoff_define_common_symbol,
3012
3013 /* Dynamic */
3014 _bfd_xcoff_get_dynamic_symtab_upper_bound,
3015 _bfd_xcoff_canonicalize_dynamic_symtab,
3016 _bfd_nodynamic_get_synthetic_symtab,
3017 _bfd_xcoff_get_dynamic_reloc_upper_bound,
3018 _bfd_xcoff_canonicalize_dynamic_reloc,
3019
3020 /* Opposite endian version, none exists. */
3021 NULL,
3022
3023 & bfd_xcoff_aix5_backend_data,
3024 };
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