1 /* BFD back-end for IBM RS/6000 "XCOFF64" files.
2 Copyright 2000, 2001, 2002
3 Free Software Foundation, Inc.
4 Written Clinton Popetz.
5 Contributed by Cygnus Support.
7 This file is part of BFD, the Binary File Descriptor library.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
27 #include "coff/internal.h"
28 #include "coff/xcoff.h"
29 #include "coff/rs6k64.h"
33 #define GET_FILEHDR_SYMPTR H_GET_64
34 #define PUT_FILEHDR_SYMPTR H_PUT_64
35 #define GET_AOUTHDR_DATA_START H_GET_64
36 #define PUT_AOUTHDR_DATA_START H_PUT_64
37 #define GET_AOUTHDR_TEXT_START H_GET_64
38 #define PUT_AOUTHDR_TEXT_START H_PUT_64
39 #define GET_AOUTHDR_TSIZE H_GET_64
40 #define PUT_AOUTHDR_TSIZE H_PUT_64
41 #define GET_AOUTHDR_DSIZE H_GET_64
42 #define PUT_AOUTHDR_DSIZE H_PUT_64
43 #define GET_AOUTHDR_BSIZE H_GET_64
44 #define PUT_AOUTHDR_BSIZE H_PUT_64
45 #define GET_AOUTHDR_ENTRY H_GET_64
46 #define PUT_AOUTHDR_ENTRY H_PUT_64
47 #define GET_SCNHDR_PADDR H_GET_64
48 #define PUT_SCNHDR_PADDR H_PUT_64
49 #define GET_SCNHDR_VADDR H_GET_64
50 #define PUT_SCNHDR_VADDR H_PUT_64
51 #define GET_SCNHDR_SIZE H_GET_64
52 #define PUT_SCNHDR_SIZE H_PUT_64
53 #define GET_SCNHDR_SCNPTR H_GET_64
54 #define PUT_SCNHDR_SCNPTR H_PUT_64
55 #define GET_SCNHDR_RELPTR H_GET_64
56 #define PUT_SCNHDR_RELPTR H_PUT_64
57 #define GET_SCNHDR_LNNOPTR H_GET_64
58 #define PUT_SCNHDR_LNNOPTR H_PUT_64
59 #define GET_SCNHDR_NRELOC H_GET_32
60 #define MAX_SCNHDR_NRELOC 0xffffffff
61 #define PUT_SCNHDR_NRELOC H_PUT_32
62 #define GET_SCNHDR_NLNNO H_GET_32
63 #define MAX_SCNHDR_NLNNO 0xffffffff
64 #define PUT_SCNHDR_NLNNO H_PUT_32
65 #define GET_RELOC_VADDR H_GET_64
66 #define PUT_RELOC_VADDR H_PUT_64
68 #define COFF_FORCE_SYMBOLS_IN_STRINGS
69 #define COFF_DEBUG_STRING_WIDE_PREFIX
72 #define COFF_ADJUST_SCNHDR_OUT_POST(ABFD, INT, EXT) \
75 memset (((SCNHDR *) EXT)->s_pad, 0, \
76 sizeof (((SCNHDR *) EXT)->s_pad)); \
80 #define NO_COFF_LINENOS
82 #define coff_SWAP_lineno_in _bfd_xcoff64_swap_lineno_in
83 #define coff_SWAP_lineno_out _bfd_xcoff64_swap_lineno_out
85 static void _bfd_xcoff64_swap_lineno_in PARAMS ((bfd *, PTR, PTR));
86 static unsigned int _bfd_xcoff64_swap_lineno_out PARAMS ((bfd *, PTR, PTR));
87 static boolean _bfd_xcoff64_put_symbol_name
88 PARAMS ((bfd *, struct bfd_strtab_hash *, struct internal_syment *,
90 static boolean _bfd_xcoff64_put_ldsymbol_name
91 PARAMS ((bfd *, struct xcoff_loader_info *, struct internal_ldsym *,
93 static void _bfd_xcoff64_swap_sym_in PARAMS ((bfd *, PTR, PTR));
94 static unsigned int _bfd_xcoff64_swap_sym_out PARAMS ((bfd *, PTR, PTR));
95 static void _bfd_xcoff64_swap_aux_in
96 PARAMS ((bfd *, PTR, int, int, int, int, PTR));
97 static unsigned int _bfd_xcoff64_swap_aux_out
98 PARAMS ((bfd *, PTR, int, int, int, int, PTR));
99 static void xcoff64_swap_reloc_in PARAMS ((bfd *, PTR, PTR));
100 static unsigned int xcoff64_swap_reloc_out PARAMS ((bfd *, PTR, PTR));
101 extern boolean _bfd_xcoff_mkobject PARAMS ((bfd *));
102 extern boolean _bfd_xcoff_copy_private_bfd_data PARAMS ((bfd *, bfd *));
103 extern boolean _bfd_xcoff_is_local_label_name PARAMS ((bfd *, const char *));
104 extern void xcoff64_rtype2howto
105 PARAMS ((arelent *, struct internal_reloc *));
106 extern reloc_howto_type * xcoff64_reloc_type_lookup
107 PARAMS ((bfd *, bfd_reloc_code_real_type));
108 extern boolean _bfd_xcoff_slurp_armap PARAMS ((bfd *));
109 extern PTR _bfd_xcoff_read_ar_hdr PARAMS ((bfd *));
110 extern bfd *_bfd_xcoff_openr_next_archived_file PARAMS ((bfd *, bfd *));
111 extern int _bfd_xcoff_stat_arch_elt PARAMS ((bfd *, struct stat *));
112 extern boolean _bfd_xcoff_write_armap
113 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
114 extern boolean _bfd_xcoff_write_archive_contents PARAMS ((bfd *));
115 extern int _bfd_xcoff_sizeof_headers PARAMS ((bfd *, boolean));
116 extern void _bfd_xcoff_swap_sym_in PARAMS ((bfd *, PTR, PTR));
117 extern unsigned int _bfd_xcoff_swap_sym_out PARAMS ((bfd *, PTR, PTR));
118 extern void _bfd_xcoff_swap_aux_in
119 PARAMS ((bfd *, PTR, int, int, int, int, PTR));
120 extern unsigned int _bfd_xcoff_swap_aux_out
121 PARAMS ((bfd *, PTR, int, int, int, int, PTR));
122 static void xcoff64_swap_ldhdr_in
123 PARAMS ((bfd *, const PTR, struct internal_ldhdr *));
124 static void xcoff64_swap_ldhdr_out
125 PARAMS ((bfd *, const struct internal_ldhdr *, PTR d));
126 static void xcoff64_swap_ldsym_in
127 PARAMS ((bfd *, const PTR, struct internal_ldsym *));
128 static void xcoff64_swap_ldsym_out
129 PARAMS ((bfd *, const struct internal_ldsym *, PTR d));
130 static void xcoff64_swap_ldrel_in
131 PARAMS ((bfd *, const PTR, struct internal_ldrel *));
132 static void xcoff64_swap_ldrel_out
133 PARAMS ((bfd *, const struct internal_ldrel *, PTR d));
134 static boolean xcoff64_write_object_contents PARAMS ((bfd *));
135 static boolean xcoff64_ppc_relocate_section
136 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
137 struct internal_reloc *, struct internal_syment *,
139 static boolean xcoff64_slurp_armap PARAMS ((bfd *));
140 static const bfd_target *xcoff64_archive_p PARAMS ((bfd *));
141 static bfd *xcoff64_openr_next_archived_file PARAMS ((bfd *, bfd *));
142 static int xcoff64_sizeof_headers PARAMS ((bfd *, boolean));
143 static asection *xcoff64_create_csect_from_smclas
144 PARAMS ((bfd *, union internal_auxent *, const char *));
145 static boolean xcoff64_is_lineno_count_overflow PARAMS ((bfd *, bfd_vma));
146 static boolean xcoff64_is_reloc_count_overflow PARAMS ((bfd *, bfd_vma));
147 static bfd_vma xcoff64_loader_symbol_offset
148 PARAMS ((bfd *, struct internal_ldhdr *));
149 static bfd_vma xcoff64_loader_reloc_offset
150 PARAMS ((bfd *, struct internal_ldhdr *));
151 static boolean xcoff64_generate_rtinit
152 PARAMS ((bfd *, const char *, const char *, boolean));
153 static boolean xcoff64_bad_format_hook PARAMS ((bfd *, PTR ));
155 /* Relocation functions */
156 static boolean xcoff64_reloc_type_br PARAMS ((XCOFF_RELOC_FUNCTION_ARGS));
158 boolean (*xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION])
159 PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)) =
161 xcoff_reloc_type_pos, /* R_POS (0x00) */
162 xcoff_reloc_type_neg, /* R_NEG (0x01) */
163 xcoff_reloc_type_rel, /* R_REL (0x02) */
164 xcoff_reloc_type_toc, /* R_TOC (0x03) */
165 xcoff_reloc_type_fail, /* R_RTB (0x04) */
166 xcoff_reloc_type_toc, /* R_GL (0x05) */
167 xcoff_reloc_type_toc, /* R_TCL (0x06) */
168 xcoff_reloc_type_fail, /* (0x07) */
169 xcoff_reloc_type_ba, /* R_BA (0x08) */
170 xcoff_reloc_type_fail, /* (0x09) */
171 xcoff64_reloc_type_br, /* R_BR (0x0a) */
172 xcoff_reloc_type_fail, /* (0x0b) */
173 xcoff_reloc_type_pos, /* R_RL (0x0c) */
174 xcoff_reloc_type_pos, /* R_RLA (0x0d) */
175 xcoff_reloc_type_fail, /* (0x0e) */
176 xcoff_reloc_type_noop, /* R_REF (0x0f) */
177 xcoff_reloc_type_fail, /* (0x10) */
178 xcoff_reloc_type_fail, /* (0x11) */
179 xcoff_reloc_type_toc, /* R_TRL (0x12) */
180 xcoff_reloc_type_toc, /* R_TRLA (0x13) */
181 xcoff_reloc_type_fail, /* R_RRTBI (0x14) */
182 xcoff_reloc_type_fail, /* R_RRTBA (0x15) */
183 xcoff_reloc_type_ba, /* R_CAI (0x16) */
184 xcoff_reloc_type_crel, /* R_CREL (0x17) */
185 xcoff_reloc_type_ba, /* R_RBA (0x18) */
186 xcoff_reloc_type_ba, /* R_RBAC (0x19) */
187 xcoff64_reloc_type_br, /* R_RBR (0x1a) */
188 xcoff_reloc_type_ba, /* R_RBRC (0x1b) */
191 /* coffcode.h needs these to be defined. */
192 /* Internalcoff.h and coffcode.h modify themselves based on these flags. */
194 #define RS6000COFF_C 1
196 #define SELECT_RELOC(internal, howto) \
198 internal.r_type = howto->type; \
200 ((howto->complain_on_overflow == complain_overflow_signed \
203 | (howto->bitsize - 1)); \
206 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
207 #define COFF_LONG_FILENAMES
208 #define NO_COFF_SYMBOLS
209 #define RTYPE2HOWTO(cache_ptr, dst) xcoff64_rtype2howto (cache_ptr, dst)
210 #define coff_mkobject _bfd_xcoff_mkobject
211 #define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data
212 #define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name
213 #define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup
215 extern const bfd_target * rs6000coff_core_p PARAMS ((bfd *abfd));
216 extern boolean rs6000coff_core_file_matches_executable_p
217 PARAMS ((bfd *cbfd, bfd *ebfd));
218 extern char *rs6000coff_core_file_failing_command PARAMS ((bfd *abfd));
219 extern int rs6000coff_core_file_failing_signal PARAMS ((bfd *abfd));
220 #define CORE_FILE_P rs6000coff_core_p
221 #define coff_core_file_failing_command \
222 rs6000coff_core_file_failing_command
223 #define coff_core_file_failing_signal \
224 rs6000coff_core_file_failing_signal
225 #define coff_core_file_matches_executable_p \
226 rs6000coff_core_file_matches_executable_p
228 #define CORE_FILE_P _bfd_dummy_target
229 #define coff_core_file_failing_command \
230 _bfd_nocore_core_file_failing_command
231 #define coff_core_file_failing_signal \
232 _bfd_nocore_core_file_failing_signal
233 #define coff_core_file_matches_executable_p \
234 _bfd_nocore_core_file_matches_executable_p
236 #define coff_SWAP_sym_in _bfd_xcoff64_swap_sym_in
237 #define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out
238 #define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in
239 #define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out
240 #define coff_swap_reloc_in xcoff64_swap_reloc_in
241 #define coff_swap_reloc_out xcoff64_swap_reloc_out
242 #define NO_COFF_RELOCS
244 #include "coffcode.h"
246 /* For XCOFF64, the effective width of symndx changes depending on
247 whether we are the first entry. Sigh. */
249 _bfd_xcoff64_swap_lineno_in (abfd, ext1, in1)
254 LINENO *ext = (LINENO *) ext1;
255 struct internal_lineno *in = (struct internal_lineno *) in1;
257 in->l_lnno = H_GET_32 (abfd, (ext->l_lnno));
259 in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx);
261 in->l_addr.l_paddr = H_GET_64 (abfd, ext->l_addr.l_paddr);
265 _bfd_xcoff64_swap_lineno_out (abfd, inp, outp)
270 struct internal_lineno *in = (struct internal_lineno *) inp;
271 struct external_lineno *ext = (struct external_lineno *) outp;
273 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
274 H_PUT_32 (abfd, in->l_lnno, (ext->l_lnno));
277 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
279 H_PUT_64 (abfd, in->l_addr.l_paddr, ext->l_addr.l_paddr);
281 return bfd_coff_linesz (abfd);
285 _bfd_xcoff64_swap_sym_in (abfd, ext1, in1)
290 struct external_syment *ext = (struct external_syment *) ext1;
291 struct internal_syment *in = (struct internal_syment *) in1;
293 in->_n._n_n._n_zeroes = 0;
294 in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e_offset);
295 in->n_value = H_GET_64 (abfd, ext->e_value);
296 in->n_scnum = H_GET_16 (abfd, ext->e_scnum);
297 in->n_type = H_GET_16 (abfd, ext->e_type);
298 in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
299 in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
303 _bfd_xcoff64_swap_sym_out (abfd, inp, extp)
308 struct internal_syment *in = (struct internal_syment *) inp;
309 struct external_syment *ext = (struct external_syment *) extp;
311 H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e_offset);
312 H_PUT_64 (abfd, in->n_value, ext->e_value);
313 H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);
314 H_PUT_16 (abfd, in->n_type, ext->e_type);
315 H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
316 H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
317 return bfd_coff_symesz (abfd);
321 _bfd_xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
330 union external_auxent *ext = (union external_auxent *) ext1;
331 union internal_auxent *in = (union internal_auxent *) in1;
336 if (ext->x_file.x_n.x_zeroes[0] == 0)
338 in->x_file.x_n.x_zeroes = 0;
339 in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset);
343 memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
347 /* RS/6000 "csect" auxents */
350 if (indx + 1 == numaux)
352 bfd_signed_vma h = 0;
355 h = H_GET_S32 (abfd, ext->x_csect.x_scnlen_hi);
356 l = H_GET_32 (abfd, ext->x_csect.x_scnlen_lo);
358 in->x_csect.x_scnlen.l = h << 32 | (l & 0xffffffff);
360 in->x_csect.x_parmhash = H_GET_32 (abfd, ext->x_csect.x_parmhash);
361 in->x_csect.x_snhash = H_GET_16 (abfd, ext->x_csect.x_snhash);
362 /* We don't have to hack bitfields in x_smtyp because it's
363 defined by shifts-and-ands, which are equivalent on all
365 in->x_csect.x_smtyp = H_GET_8 (abfd, ext->x_csect.x_smtyp);
366 in->x_csect.x_smclas = H_GET_8 (abfd, ext->x_csect.x_smclas);
376 /* PE defines some extra fields; we zero them out for
378 in->x_scn.x_checksum = 0;
379 in->x_scn.x_associated = 0;
380 in->x_scn.x_comdat = 0;
387 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
389 in->x_sym.x_fcnary.x_fcn.x_lnnoptr
390 = H_GET_64 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
391 in->x_sym.x_fcnary.x_fcn.x_endndx.l
392 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx);
396 in->x_sym.x_misc.x_fsize
397 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_fsize);
401 in->x_sym.x_misc.x_lnsz.x_lnno
402 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_lnno);
403 in->x_sym.x_misc.x_lnsz.x_size
404 = H_GET_16 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_size);
411 _bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
416 int indx ATTRIBUTE_UNUSED;
417 int numaux ATTRIBUTE_UNUSED;
420 union internal_auxent *in = (union internal_auxent *) inp;
421 union external_auxent *ext = (union external_auxent *) extp;
423 memset ((PTR) ext, 0, bfd_coff_auxesz (abfd));
427 if (in->x_file.x_n.x_zeroes == 0)
429 H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes);
430 H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset);
434 memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
436 H_PUT_8 (abfd, _AUX_FILE, ext->x_auxtype.x_auxtype);
439 /* RS/6000 "csect" auxents */
442 if (indx + 1 == numaux)
446 temp = in->x_csect.x_scnlen.l & 0xffffffff;
447 H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_lo);
448 temp = in->x_csect.x_scnlen.l >> 32;
449 H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_hi);
450 H_PUT_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
451 H_PUT_16 (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash);
452 /* We don't have to hack bitfields in x_smtyp because it's
453 defined by shifts-and-ands, which are equivalent on all
455 H_PUT_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
456 H_PUT_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
457 H_PUT_8 (abfd, _AUX_CSECT, ext->x_auxtype.x_auxtype);
472 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
474 H_PUT_64 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
475 ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
476 H_PUT_8 (abfd, _AUX_FCN,
477 ext->x_auxtype.x_auxtype);
478 H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
479 ext->x_sym.x_fcnary.x_fcn.x_endndx);
483 H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize,
484 ext->x_sym.x_fcnary.x_fcn.x_fsize);
488 H_PUT_32 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno,
489 ext->x_sym.x_fcnary.x_lnsz.x_lnno);
490 H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_size,
491 ext->x_sym.x_fcnary.x_lnsz.x_size);
496 return bfd_coff_auxesz (abfd);
500 _bfd_xcoff64_put_symbol_name (abfd, strtab, sym, name)
502 struct bfd_strtab_hash *strtab;
503 struct internal_syment *sym;
511 if ((abfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
514 indx = _bfd_stringtab_add (strtab, name, hash, false);
516 if (indx == (bfd_size_type) -1)
519 sym->_n._n_n._n_zeroes = 0;
520 sym->_n._n_n._n_offset = STRING_SIZE_SIZE + indx;
526 _bfd_xcoff64_put_ldsymbol_name (abfd, ldinfo, ldsym, name)
527 bfd *abfd ATTRIBUTE_UNUSED;
528 struct xcoff_loader_info *ldinfo;
529 struct internal_ldsym *ldsym;
535 if (ldinfo->string_size + len + 3 > ldinfo->string_alc)
537 bfd_size_type newalc;
538 bfd_byte *newstrings;
540 newalc = ldinfo->string_alc * 2;
543 while (ldinfo->string_size + len + 3 > newalc)
546 newstrings = ((bfd_byte *)
547 bfd_realloc ((PTR) ldinfo->strings, newalc));
548 if (newstrings == NULL)
550 ldinfo->failed = true;
553 ldinfo->string_alc = newalc;
554 ldinfo->strings = newstrings;
557 bfd_put_16 (ldinfo->output_bfd, (bfd_vma) (len + 1),
558 ldinfo->strings + ldinfo->string_size);
559 strcpy (ldinfo->strings + ldinfo->string_size + 2, name);
560 ldsym->_l._l_l._l_zeroes = 0;
561 ldsym->_l._l_l._l_offset = ldinfo->string_size + 2;
562 ldinfo->string_size += len + 3;
567 /* Routines to swap information in the XCOFF .loader section. If we
568 ever need to write an XCOFF loader, this stuff will need to be
569 moved to another file shared by the linker (which XCOFF calls the
570 ``binder'') and the loader. */
572 /* Swap in the ldhdr structure. */
575 xcoff64_swap_ldhdr_in (abfd, s, dst)
578 struct internal_ldhdr *dst;
580 const struct external_ldhdr *src = (const struct external_ldhdr *) s;
582 dst->l_version = bfd_get_32 (abfd, src->l_version);
583 dst->l_nsyms = bfd_get_32 (abfd, src->l_nsyms);
584 dst->l_nreloc = bfd_get_32 (abfd, src->l_nreloc);
585 dst->l_istlen = bfd_get_32 (abfd, src->l_istlen);
586 dst->l_nimpid = bfd_get_32 (abfd, src->l_nimpid);
587 dst->l_stlen = bfd_get_32 (abfd, src->l_stlen);
588 dst->l_impoff = bfd_get_64 (abfd, src->l_impoff);
589 dst->l_stoff = bfd_get_64 (abfd, src->l_stoff);
590 dst->l_symoff = bfd_get_64 (abfd, src->l_symoff);
591 dst->l_rldoff = bfd_get_64 (abfd, src->l_rldoff);
594 /* Swap out the ldhdr structure. */
597 xcoff64_swap_ldhdr_out (abfd, src, d)
599 const struct internal_ldhdr *src;
602 struct external_ldhdr *dst = (struct external_ldhdr *) d;
604 bfd_put_32 (abfd, (bfd_vma) src->l_version, dst->l_version);
605 bfd_put_32 (abfd, src->l_nsyms, dst->l_nsyms);
606 bfd_put_32 (abfd, src->l_nreloc, dst->l_nreloc);
607 bfd_put_32 (abfd, src->l_istlen, dst->l_istlen);
608 bfd_put_32 (abfd, src->l_nimpid, dst->l_nimpid);
609 bfd_put_32 (abfd, src->l_stlen, dst->l_stlen);
610 bfd_put_64 (abfd, src->l_impoff, dst->l_impoff);
611 bfd_put_64 (abfd, src->l_stoff, dst->l_stoff);
612 bfd_put_64 (abfd, src->l_symoff, dst->l_symoff);
613 bfd_put_64 (abfd, src->l_rldoff, dst->l_rldoff);
616 /* Swap in the ldsym structure. */
619 xcoff64_swap_ldsym_in (abfd, s, dst)
622 struct internal_ldsym *dst;
624 const struct external_ldsym *src = (const struct external_ldsym *) s;
625 /* XCOFF64 does not use l_zeroes like XCOFF32
626 Set the internal l_zeroes to 0 so the common 32/64 code uses l_value
627 as an offset into the loader symbol table. */
628 dst->_l._l_l._l_zeroes = 0;
629 dst->_l._l_l._l_offset = bfd_get_32 (abfd, src->l_offset);
630 dst->l_value = bfd_get_64 (abfd, src->l_value);
631 dst->l_scnum = bfd_get_16 (abfd, src->l_scnum);
632 dst->l_smtype = bfd_get_8 (abfd, src->l_smtype);
633 dst->l_smclas = bfd_get_8 (abfd, src->l_smclas);
634 dst->l_ifile = bfd_get_32 (abfd, src->l_ifile);
635 dst->l_parm = bfd_get_32 (abfd, src->l_parm);
638 /* Swap out the ldsym structure. */
641 xcoff64_swap_ldsym_out (abfd, src, d)
643 const struct internal_ldsym *src;
646 struct external_ldsym *dst = (struct external_ldsym *) d;
648 bfd_put_64 (abfd, src->l_value, dst->l_value);
649 bfd_put_32 (abfd, (bfd_vma) src->_l._l_l._l_offset, dst->l_offset);
650 bfd_put_16 (abfd, (bfd_vma) src->l_scnum, dst->l_scnum);
651 bfd_put_8 (abfd, src->l_smtype, dst->l_smtype);
652 bfd_put_8 (abfd, src->l_smclas, dst->l_smclas);
653 bfd_put_32 (abfd, src->l_ifile, dst->l_ifile);
654 bfd_put_32 (abfd, src->l_parm, dst->l_parm);
658 xcoff64_swap_reloc_in (abfd, s, d)
663 struct external_reloc *src = (struct external_reloc *) s;
664 struct internal_reloc *dst = (struct internal_reloc *) d;
666 memset (dst, 0, sizeof (struct internal_reloc));
668 dst->r_vaddr = bfd_get_64 (abfd, src->r_vaddr);
669 dst->r_symndx = bfd_get_32 (abfd, src->r_symndx);
670 dst->r_size = bfd_get_8 (abfd, src->r_size);
671 dst->r_type = bfd_get_8 (abfd, src->r_type);
675 xcoff64_swap_reloc_out (abfd, s, d)
680 struct internal_reloc *src = (struct internal_reloc *) s;
681 struct external_reloc *dst = (struct external_reloc *) d;
683 bfd_put_64 (abfd, src->r_vaddr, dst->r_vaddr);
684 bfd_put_32 (abfd, src->r_symndx, dst->r_symndx);
685 bfd_put_8 (abfd, src->r_type, dst->r_type);
686 bfd_put_8 (abfd, src->r_size, dst->r_size);
688 return bfd_coff_relsz (abfd);
691 /* Swap in the ldrel structure. */
694 xcoff64_swap_ldrel_in (abfd, s, dst)
697 struct internal_ldrel *dst;
699 const struct external_ldrel *src = (const struct external_ldrel *) s;
701 dst->l_vaddr = bfd_get_64 (abfd, src->l_vaddr);
702 dst->l_symndx = bfd_get_32 (abfd, src->l_symndx);
703 dst->l_rtype = bfd_get_16 (abfd, src->l_rtype);
704 dst->l_rsecnm = bfd_get_16 (abfd, src->l_rsecnm);
707 /* Swap out the ldrel structure. */
710 xcoff64_swap_ldrel_out (abfd, src, d)
712 const struct internal_ldrel *src;
715 struct external_ldrel *dst = (struct external_ldrel *) d;
717 bfd_put_64 (abfd, src->l_vaddr, dst->l_vaddr);
718 bfd_put_16 (abfd, (bfd_vma) src->l_rtype, dst->l_rtype);
719 bfd_put_16 (abfd, (bfd_vma) src->l_rsecnm, dst->l_rsecnm);
720 bfd_put_32 (abfd, src->l_symndx, dst->l_symndx);
724 xcoff64_write_object_contents (abfd)
728 boolean hasrelocs = false;
729 boolean haslinno = false;
732 file_ptr lineno_base;
734 unsigned long reloc_size = 0;
735 unsigned long lnno_size = 0;
736 boolean long_section_names;
737 asection *text_sec = ((void *) 0);
738 asection *data_sec = ((void *) 0);
739 asection *bss_sec = ((void *) 0);
740 struct internal_filehdr internal_f;
741 struct internal_aouthdr internal_a;
743 bfd_set_error (bfd_error_system_call);
745 if (! abfd->output_has_begun)
747 if (! bfd_coff_compute_section_file_positions (abfd))
751 /* Work out the size of the reloc and linno areas. */
752 reloc_base = obj_relocbase (abfd);
754 for (current = abfd->sections; current != NULL; current = current->next)
755 reloc_size += current->reloc_count * bfd_coff_relsz (abfd);
757 lineno_base = reloc_base + reloc_size;
759 /* Make a pass through the symbol table to count line number entries and
760 put them into the correct asections. */
761 lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd);
763 sym_base = lineno_base + lnno_size;
765 /* Indicate in each section->line_filepos its actual file address. */
766 for (current = abfd->sections; current != NULL; current = current->next)
768 if (current->lineno_count)
770 current->line_filepos = lineno_base;
771 current->moving_line_filepos = lineno_base;
772 lineno_base += current->lineno_count * bfd_coff_linesz (abfd);
776 current->line_filepos = 0;
779 if (current->reloc_count)
781 current->rel_filepos = reloc_base;
782 reloc_base += current->reloc_count * bfd_coff_relsz (abfd);
786 current->rel_filepos = 0;
790 if ((abfd->flags & EXEC_P) != 0)
792 scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd);
793 internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
797 scn_base = bfd_coff_filhsz (abfd);
798 internal_f.f_opthdr = 0;
801 internal_f.f_nscns = 0;
803 if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
806 long_section_names = false;
807 for (current = abfd->sections; current != NULL; current = current->next)
809 struct internal_scnhdr section;
810 struct external_scnhdr buff;
811 bfd_size_type amount;
813 internal_f.f_nscns++;
815 strncpy (section.s_name, current->name, SCNNMLEN);
817 section.s_vaddr = current->vma;
818 section.s_paddr = current->lma;
819 section.s_size = current->_raw_size;
821 /* If this section has no size or is unloadable then the scnptr
823 if (current->_raw_size == 0
824 || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
826 section.s_scnptr = 0;
830 section.s_scnptr = current->filepos;
833 section.s_relptr = current->rel_filepos;
834 section.s_lnnoptr = current->line_filepos;
835 section.s_nreloc = current->reloc_count;
837 section.s_nlnno = current->lineno_count;
838 if (current->reloc_count != 0)
840 if (current->lineno_count != 0)
843 section.s_flags = sec_to_styp_flags (current->name, current->flags);
845 if (!strcmp (current->name, _TEXT))
849 else if (!strcmp (current->name, _DATA))
853 else if (!strcmp (current->name, _BSS))
858 amount = bfd_coff_scnhsz (abfd);
859 if (bfd_coff_swap_scnhdr_out (abfd, §ion, &buff) == 0
860 || bfd_bwrite ((PTR) (&buff), amount, abfd) != amount)
864 internal_f.f_timdat = 0;
866 internal_f.f_flags = 0;
869 internal_f.f_flags |= F_RELFLG;
871 internal_f.f_flags |= F_LNNO;
872 if (abfd->flags & EXEC_P)
873 internal_f.f_flags |= F_EXEC;
875 /* FIXME: this is wrong for PPC_PE! */
876 if (bfd_little_endian (abfd))
877 internal_f.f_flags |= F_AR32WR;
879 internal_f.f_flags |= F_AR32W;
881 if ((abfd->flags & DYNAMIC) != 0)
882 internal_f.f_flags |= F_SHROBJ;
883 if (bfd_get_section_by_name (abfd, _LOADER) != NULL)
884 internal_f.f_flags |= F_DYNLOAD;
886 memset (&internal_a, 0, sizeof internal_a);
888 internal_f.f_magic = bfd_xcoff_magic_number (abfd);
889 internal_a.magic = (abfd->flags & D_PAGED
890 ? RS6K_AOUTHDR_ZMAGIC
891 : (abfd->flags & WP_TEXT
892 ? RS6K_AOUTHDR_NMAGIC
893 : RS6K_AOUTHDR_OMAGIC));
895 /* FIXME: Does anybody ever set this to another value? */
896 internal_a.vstamp = 0;
898 /* Now should write relocs, strings, syms. */
899 obj_sym_filepos (abfd) = sym_base;
901 internal_f.f_symptr = 0;
902 internal_f.f_nsyms = 0;
904 /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF
905 backend linker, and obj_raw_syment_count is not valid until after
906 coff_write_symbols is called. */
907 if (bfd_get_symcount (abfd) != 0)
911 if (!coff_renumber_symbols (abfd, &firstundef))
913 coff_mangle_symbols (abfd);
914 if (! coff_write_symbols (abfd))
916 if (! coff_write_linenumbers (abfd))
918 if (! coff_write_relocs (abfd, firstundef))
921 internal_f.f_symptr = sym_base;
922 internal_f.f_nsyms = bfd_get_symcount (abfd);
924 else if (obj_raw_syment_count (abfd) != 0)
926 internal_f.f_symptr = sym_base;
928 /* AIX appears to require that F_RELFLG not be set if there are
929 local symbols but no relocations. */
930 internal_f.f_flags &=~ F_RELFLG;
934 internal_f.f_flags |= F_LSYMS;
939 internal_a.tsize = bfd_get_section_size_before_reloc (text_sec);
940 internal_a.text_start = internal_a.tsize ? text_sec->vma : 0;
945 internal_a.dsize = bfd_get_section_size_before_reloc (data_sec);
946 internal_a.data_start = internal_a.dsize ? data_sec->vma : 0;
951 internal_a.bsize = bfd_get_section_size_before_reloc (bss_sec);
952 if (internal_a.bsize && bss_sec->vma < internal_a.data_start)
953 internal_a.data_start = bss_sec->vma;
956 internal_a.entry = bfd_get_start_address (abfd);
957 internal_f.f_nsyms = obj_raw_syment_count (abfd);
959 if (xcoff_data (abfd)->full_aouthdr)
962 asection *loader_sec;
964 internal_a.vstamp = 1;
966 internal_a.o_snentry = xcoff_data (abfd)->snentry;
967 if (internal_a.o_snentry == 0)
968 internal_a.entry = (bfd_vma) -1;
970 if (text_sec != NULL)
972 internal_a.o_sntext = text_sec->target_index;
973 internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec);
977 internal_a.o_sntext = 0;
978 internal_a.o_algntext = 0;
981 if (data_sec != NULL)
983 internal_a.o_sndata = data_sec->target_index;
984 internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec);
988 internal_a.o_sndata = 0;
989 internal_a.o_algndata = 0;
992 loader_sec = bfd_get_section_by_name (abfd, ".loader");
993 if (loader_sec != NULL)
994 internal_a.o_snloader = loader_sec->target_index;
996 internal_a.o_snloader = 0;
998 internal_a.o_snbss = bss_sec->target_index;
1000 internal_a.o_snbss = 0;
1002 toc = xcoff_data (abfd)->toc;
1003 internal_a.o_toc = toc;
1004 internal_a.o_sntoc = xcoff_data (abfd)->sntoc;
1006 internal_a.o_modtype = xcoff_data (abfd)->modtype;
1007 if (xcoff_data (abfd)->cputype != -1)
1008 internal_a.o_cputype = xcoff_data (abfd)->cputype;
1011 switch (bfd_get_arch (abfd))
1013 case bfd_arch_rs6000:
1014 internal_a.o_cputype = 4;
1016 case bfd_arch_powerpc:
1017 if (bfd_get_mach (abfd) == 0)
1018 internal_a.o_cputype = 3;
1020 internal_a.o_cputype = 1;
1026 internal_a.o_maxstack = xcoff_data (abfd)->maxstack;
1027 internal_a.o_maxdata = xcoff_data (abfd)->maxdata;
1030 if (bfd_seek (abfd, (file_ptr) 0, 0) != 0)
1035 bfd_size_type amount = bfd_coff_filhsz (abfd);
1037 buff = bfd_malloc (amount);
1041 bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, (PTR) buff);
1042 amount = bfd_bwrite ((PTR) buff, amount, abfd);
1046 if (amount != bfd_coff_filhsz (abfd))
1050 if (abfd->flags & EXEC_P)
1053 bfd_size_type amount = bfd_coff_aoutsz (abfd);
1055 buff = bfd_malloc (amount);
1059 bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) buff);
1060 amount = bfd_bwrite ((PTR) buff, amount, abfd);
1064 if (amount != bfd_coff_aoutsz (abfd))
1072 xcoff64_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto,
1073 val, addend, relocation, contents)
1075 asection *input_section;
1076 bfd *output_bfd ATTRIBUTE_UNUSED;
1077 struct internal_reloc *rel;
1078 struct internal_syment *sym ATTRIBUTE_UNUSED;
1079 struct reloc_howto_struct *howto;
1082 bfd_vma *relocation;
1085 struct xcoff_link_hash_entry *h;
1087 if (0 > rel->r_symndx)
1090 h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx];
1092 /* If we see an R_BR or R_RBR reloc which is jumping to global
1093 linkage code, and it is followed by an appropriate cror nop
1094 instruction, we replace the cror with ld r2,40(r1). This
1095 restores the TOC after the glink code. Contrariwise, if the
1096 call is followed by a ld r2,40(r1), but the call is not
1097 going to global linkage code, we can replace the load with a
1100 && bfd_link_hash_defined == h->root.type
1101 && (rel->r_vaddr - input_section->vma + 8
1102 <= input_section->_cooked_size))
1107 pnext = contents + (rel->r_vaddr - input_section->vma) + 4;
1108 next = bfd_get_32 (input_bfd, pnext);
1110 /* The _ptrgl function is magic. It is used by the AIX compiler to call
1111 a function through a pointer. */
1112 if (h->smclas == XMC_GL || strcmp (h->root.root.string, "._ptrgl") == 0)
1114 if (next == 0x4def7b82 /* cror 15,15,15 */
1115 || next == 0x4ffffb82 /* cror 31,31,31 */
1116 || next == 0x60000000) /* ori r0,r0,0 */
1117 bfd_put_32 (input_bfd, 0xe8410028, pnext); /* ld r2,40(r1) */
1121 if (next == 0xe8410028) /* ld r2,40(r1) */
1122 bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */
1125 else if (NULL != h && bfd_link_hash_undefined == h->root.type)
1127 /* Normally, this relocation is against a defined symbol. In the
1128 case where this is a partial link and the output section offset
1129 is greater than 2^25, the linker will return an invalid error
1130 message that the relocation has been truncated. Yes it has been
1131 truncated but no it not important. For this case, disable the
1132 overflow checking. */
1133 howto->complain_on_overflow = complain_overflow_dont;
1136 howto->pc_relative = true;
1137 howto->src_mask &= ~3;
1138 howto->dst_mask = howto->src_mask;
1140 /* A PC relative reloc includes the section address. */
1141 addend += input_section->vma;
1143 *relocation = val + addend;
1144 *relocation -= (input_section->output_section->vma
1145 + input_section->output_offset);
1149 /* This is the relocation function for the PowerPC64.
1150 See xcoff_ppc_relocation_section for more information. */
1153 xcoff64_ppc_relocate_section (output_bfd, info, input_bfd,
1154 input_section, contents, relocs, syms,
1157 struct bfd_link_info *info;
1159 asection *input_section;
1161 struct internal_reloc *relocs;
1162 struct internal_syment *syms;
1163 asection **sections;
1165 struct internal_reloc *rel;
1166 struct internal_reloc *relend;
1169 relend = rel + input_section->reloc_count;
1170 for (; rel < relend; rel++)
1173 struct xcoff_link_hash_entry *h;
1174 struct internal_syment *sym;
1177 struct reloc_howto_struct howto;
1179 bfd_vma value_to_relocate;
1183 /* Relocation type R_REF is a special relocation type which is
1184 merely used to prevent garbage collection from occurring for
1185 the csect including the symbol which it references. */
1186 if (rel->r_type == R_REF)
1190 howto.type = rel->r_type;
1191 howto.rightshift = 0;
1192 howto.bitsize = (rel->r_size & 0x3f) + 1;
1193 howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1;
1194 howto.pc_relative = false;
1196 howto.complain_on_overflow = (rel->r_size & 0x80
1197 ? complain_overflow_signed
1198 : complain_overflow_bitfield);
1199 howto.special_function = NULL;
1200 howto.name = "internal";
1201 howto.partial_inplace = true;
1202 howto.src_mask = howto.dst_mask = N_ONES (howto.bitsize);
1203 howto.pcrel_offset = false;
1210 symndx = rel->r_symndx;
1216 h = obj_xcoff_sym_hashes (input_bfd)[symndx];
1217 sym = syms + symndx;
1218 addend = - sym->n_value;
1222 sec = sections[symndx];
1223 /* Hack to make sure we use the right TOC anchor value
1224 if this reloc is against the TOC anchor. */
1225 if (sec->name[3] == '0'
1226 && strcmp (sec->name, ".tc0") == 0)
1227 val = xcoff_data (output_bfd)->toc;
1229 val = (sec->output_section->vma
1230 + sec->output_offset
1236 if (h->root.type == bfd_link_hash_defined
1237 || h->root.type == bfd_link_hash_defweak)
1239 sec = h->root.u.def.section;
1240 val = (h->root.u.def.value
1241 + sec->output_section->vma
1242 + sec->output_offset);
1244 else if (h->root.type == bfd_link_hash_common)
1246 sec = h->root.u.c.p->section;
1247 val = (sec->output_section->vma
1248 + sec->output_offset);
1250 else if ((0 == (h->flags & (XCOFF_DEF_DYNAMIC | XCOFF_IMPORT)))
1251 && ! info->relocateable)
1253 if (! ((*info->callbacks->undefined_symbol)
1254 (info, h->root.root.string, input_bfd, input_section,
1255 rel->r_vaddr - input_section->vma, true)))
1258 /* Don't try to process the reloc. It can't help, and
1259 it may generate another error. */
1265 if (rel->r_type >= XCOFF_MAX_CALCULATE_RELOCATION
1266 || ((*xcoff64_calculate_relocation[rel->r_type])
1267 (input_bfd, input_section, output_bfd, rel, sym, &howto, val,
1268 addend, &relocation, contents)))
1272 address = rel->r_vaddr - input_section->vma;
1273 location = contents + address;
1275 if (address > input_section->_raw_size)
1278 /* Get the value we are going to relocate. */
1279 if (1 == howto.size)
1280 value_to_relocate = bfd_get_16 (input_bfd, location);
1281 else if (2 == howto.size)
1282 value_to_relocate = bfd_get_32 (input_bfd, location);
1284 value_to_relocate = bfd_get_64 (input_bfd, location);
1288 FIXME: We may drop bits during the addition
1289 which we don't check for. We must either check at every single
1290 operation, which would be tedious, or we must do the computations
1291 in a type larger than bfd_vma, which would be inefficient. */
1293 if ((unsigned int) howto.complain_on_overflow
1294 >= XCOFF_MAX_COMPLAIN_OVERFLOW)
1297 if (((*xcoff_complain_overflow[howto.complain_on_overflow])
1298 (input_bfd, value_to_relocate, relocation, &howto)))
1301 char buf[SYMNMLEN + 1];
1302 char reloc_type_name[10];
1310 name = h->root.root.string;
1314 name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
1318 sprintf (reloc_type_name, "0x%02x", rel->r_type);
1320 if (! ((*info->callbacks->reloc_overflow)
1321 (info, name, reloc_type_name, (bfd_vma) 0, input_bfd,
1322 input_section, rel->r_vaddr - input_section->vma)))
1326 /* Add RELOCATION to the right bits of VALUE_TO_RELOCATE. */
1327 value_to_relocate = ((value_to_relocate & ~howto.dst_mask)
1328 | (((value_to_relocate & howto.src_mask)
1329 + relocation) & howto.dst_mask));
1331 /* Put the value back in the object file. */
1332 if (1 == howto.size)
1333 bfd_put_16 (input_bfd, value_to_relocate, location);
1334 else if (2 == howto.size)
1335 bfd_put_32 (input_bfd, value_to_relocate, location);
1337 bfd_put_64 (input_bfd, value_to_relocate, location);
1344 /* The XCOFF reloc table. Actually, XCOFF relocations specify the
1345 bitsize and whether they are signed or not, along with a
1346 conventional type. This table is for the types, which are used for
1347 different algorithms for putting in the reloc. Many of these
1348 relocs need special_function entries, which I have not written. */
1350 reloc_howto_type xcoff64_howto_table[] =
1352 /* Standard 64 bit relocation. */
1353 HOWTO (R_POS, /* type */
1355 4, /* size (0 = byte, 1 = short, 2 = long) */
1357 false, /* pc_relative */
1359 complain_overflow_bitfield, /* complain_on_overflow */
1360 0, /* special_function */
1361 "R_POS_64", /* name */
1362 true, /* partial_inplace */
1363 MINUS_ONE, /* src_mask */
1364 MINUS_ONE, /* dst_mask */
1365 false), /* pcrel_offset */
1367 /* 64 bit relocation, but store negative value. */
1368 HOWTO (R_NEG, /* type */
1370 -4, /* size (0 = byte, 1 = short, 2 = long) */
1372 false, /* pc_relative */
1374 complain_overflow_bitfield, /* complain_on_overflow */
1375 0, /* special_function */
1377 true, /* partial_inplace */
1378 MINUS_ONE, /* src_mask */
1379 MINUS_ONE, /* dst_mask */
1380 false), /* pcrel_offset */
1382 /* 32 bit PC relative relocation. */
1383 HOWTO (R_REL, /* type */
1385 2, /* size (0 = byte, 1 = short, 2 = long) */
1387 true, /* pc_relative */
1389 complain_overflow_signed, /* complain_on_overflow */
1390 0, /* special_function */
1392 true, /* partial_inplace */
1393 0xffffffff, /* src_mask */
1394 0xffffffff, /* dst_mask */
1395 false), /* pcrel_offset */
1397 /* 16 bit TOC relative relocation. */
1398 HOWTO (R_TOC, /* type */
1400 1, /* size (0 = byte, 1 = short, 2 = long) */
1402 false, /* pc_relative */
1404 complain_overflow_bitfield, /* complain_on_overflow */
1405 0, /* special_function */
1407 true, /* partial_inplace */
1408 0xffff, /* src_mask */
1409 0xffff, /* dst_mask */
1410 false), /* pcrel_offset */
1412 /* I don't really know what this is. */
1413 HOWTO (R_RTB, /* type */
1415 2, /* size (0 = byte, 1 = short, 2 = long) */
1417 false, /* pc_relative */
1419 complain_overflow_bitfield, /* complain_on_overflow */
1420 0, /* special_function */
1422 true, /* partial_inplace */
1423 0xffffffff, /* src_mask */
1424 0xffffffff, /* dst_mask */
1425 false), /* pcrel_offset */
1427 /* External TOC relative symbol. */
1428 HOWTO (R_GL, /* type */
1430 1, /* size (0 = byte, 1 = short, 2 = long) */
1432 false, /* pc_relative */
1434 complain_overflow_bitfield, /* complain_on_overflow */
1435 0, /* special_function */
1437 true, /* partial_inplace */
1438 0xffff, /* src_mask */
1439 0xffff, /* dst_mask */
1440 false), /* pcrel_offset */
1442 /* Local TOC relative symbol. */
1443 HOWTO (R_TCL, /* type */
1445 1, /* size (0 = byte, 1 = short, 2 = long) */
1447 false, /* pc_relative */
1449 complain_overflow_bitfield, /* complain_on_overflow */
1450 0, /* special_function */
1452 true, /* partial_inplace */
1453 0xffff, /* src_mask */
1454 0xffff, /* dst_mask */
1455 false), /* pcrel_offset */
1459 /* Non modifiable absolute branch. */
1460 HOWTO (R_BA, /* type */
1462 2, /* size (0 = byte, 1 = short, 2 = long) */
1464 false, /* pc_relative */
1466 complain_overflow_bitfield, /* complain_on_overflow */
1467 0, /* special_function */
1468 "R_BA_26", /* name */
1469 true, /* partial_inplace */
1470 0x03fffffc, /* src_mask */
1471 0x03fffffc, /* dst_mask */
1472 false), /* pcrel_offset */
1476 /* Non modifiable relative branch. */
1477 HOWTO (R_BR, /* type */
1479 2, /* size (0 = byte, 1 = short, 2 = long) */
1481 true, /* pc_relative */
1483 complain_overflow_signed, /* complain_on_overflow */
1484 0, /* special_function */
1486 true, /* partial_inplace */
1487 0x03fffffc, /* src_mask */
1488 0x03fffffc, /* dst_mask */
1489 false), /* pcrel_offset */
1493 /* Indirect load. */
1494 HOWTO (R_RL, /* type */
1496 1, /* size (0 = byte, 1 = short, 2 = long) */
1498 false, /* pc_relative */
1500 complain_overflow_bitfield, /* complain_on_overflow */
1501 0, /* special_function */
1503 true, /* partial_inplace */
1504 0xffff, /* src_mask */
1505 0xffff, /* dst_mask */
1506 false), /* pcrel_offset */
1509 HOWTO (R_RLA, /* type */
1511 1, /* size (0 = byte, 1 = short, 2 = long) */
1513 false, /* pc_relative */
1515 complain_overflow_bitfield, /* complain_on_overflow */
1516 0, /* special_function */
1518 true, /* partial_inplace */
1519 0xffff, /* src_mask */
1520 0xffff, /* dst_mask */
1521 false), /* pcrel_offset */
1525 /* Non-relocating reference. */
1526 HOWTO (R_REF, /* type */
1528 2, /* size (0 = byte, 1 = short, 2 = long) */
1530 false, /* pc_relative */
1532 complain_overflow_dont, /* complain_on_overflow */
1533 0, /* special_function */
1535 false, /* partial_inplace */
1538 false), /* pcrel_offset */
1543 /* TOC relative indirect load. */
1544 HOWTO (R_TRL, /* type */
1546 1, /* size (0 = byte, 1 = short, 2 = long) */
1548 false, /* pc_relative */
1550 complain_overflow_bitfield, /* complain_on_overflow */
1551 0, /* special_function */
1553 true, /* partial_inplace */
1554 0xffff, /* src_mask */
1555 0xffff, /* dst_mask */
1556 false), /* pcrel_offset */
1558 /* TOC relative load address. */
1559 HOWTO (R_TRLA, /* type */
1561 1, /* size (0 = byte, 1 = short, 2 = long) */
1563 false, /* pc_relative */
1565 complain_overflow_bitfield, /* complain_on_overflow */
1566 0, /* special_function */
1567 "R_TRLA", /* name */
1568 true, /* partial_inplace */
1569 0xffff, /* src_mask */
1570 0xffff, /* dst_mask */
1571 false), /* pcrel_offset */
1573 /* Modifiable relative branch. */
1574 HOWTO (R_RRTBI, /* type */
1576 2, /* size (0 = byte, 1 = short, 2 = long) */
1578 false, /* pc_relative */
1580 complain_overflow_bitfield, /* complain_on_overflow */
1581 0, /* special_function */
1582 "R_RRTBI", /* name */
1583 true, /* partial_inplace */
1584 0xffffffff, /* src_mask */
1585 0xffffffff, /* dst_mask */
1586 false), /* pcrel_offset */
1588 /* Modifiable absolute branch. */
1589 HOWTO (R_RRTBA, /* type */
1591 2, /* size (0 = byte, 1 = short, 2 = long) */
1593 false, /* pc_relative */
1595 complain_overflow_bitfield, /* complain_on_overflow */
1596 0, /* special_function */
1597 "R_RRTBA", /* name */
1598 true, /* partial_inplace */
1599 0xffffffff, /* src_mask */
1600 0xffffffff, /* dst_mask */
1601 false), /* pcrel_offset */
1603 /* Modifiable call absolute indirect. */
1604 HOWTO (R_CAI, /* type */
1606 1, /* size (0 = byte, 1 = short, 2 = long) */
1608 false, /* pc_relative */
1610 complain_overflow_bitfield, /* complain_on_overflow */
1611 0, /* special_function */
1613 true, /* partial_inplace */
1614 0xffff, /* src_mask */
1615 0xffff, /* dst_mask */
1616 false), /* pcrel_offset */
1618 /* Modifiable call relative. */
1619 HOWTO (R_CREL, /* type */
1621 1, /* size (0 = byte, 1 = short, 2 = long) */
1623 false, /* pc_relative */
1625 complain_overflow_bitfield, /* complain_on_overflow */
1626 0, /* special_function */
1627 "R_CREL", /* name */
1628 true, /* partial_inplace */
1629 0xffff, /* src_mask */
1630 0xffff, /* dst_mask */
1631 false), /* pcrel_offset */
1633 /* Modifiable branch absolute. */
1634 HOWTO (R_RBA, /* type */
1636 2, /* size (0 = byte, 1 = short, 2 = long) */
1638 false, /* pc_relative */
1640 complain_overflow_bitfield, /* complain_on_overflow */
1641 0, /* special_function */
1643 true, /* partial_inplace */
1644 0x03fffffc, /* src_mask */
1645 0x03fffffc, /* dst_mask */
1646 false), /* pcrel_offset */
1648 /* Modifiable branch absolute. */
1649 HOWTO (R_RBAC, /* type */
1651 2, /* size (0 = byte, 1 = short, 2 = long) */
1653 false, /* pc_relative */
1655 complain_overflow_bitfield, /* complain_on_overflow */
1656 0, /* special_function */
1657 "R_RBAC", /* name */
1658 true, /* partial_inplace */
1659 0xffffffff, /* src_mask */
1660 0xffffffff, /* dst_mask */
1661 false), /* pcrel_offset */
1663 /* Modifiable branch relative. */
1664 HOWTO (R_RBR, /* type */
1666 2, /* size (0 = byte, 1 = short, 2 = long) */
1668 false, /* pc_relative */
1670 complain_overflow_signed, /* complain_on_overflow */
1671 0, /* special_function */
1672 "R_RBR_26", /* name */
1673 true, /* partial_inplace */
1674 0x03fffffc, /* src_mask */
1675 0x03fffffc, /* dst_mask */
1676 false), /* pcrel_offset */
1678 /* Modifiable branch absolute. */
1679 HOWTO (R_RBRC, /* type */
1681 1, /* size (0 = byte, 1 = short, 2 = long) */
1683 false, /* pc_relative */
1685 complain_overflow_bitfield, /* complain_on_overflow */
1686 0, /* special_function */
1687 "R_RBRC", /* name */
1688 true, /* partial_inplace */
1689 0xffff, /* src_mask */
1690 0xffff, /* dst_mask */
1691 false), /* pcrel_offset */
1693 HOWTO (R_POS, /* type */
1695 2, /* size (0 = byte, 1 = short, 2 = long) */
1697 false, /* pc_relative */
1699 complain_overflow_bitfield, /* complain_on_overflow */
1700 0, /* special_function */
1701 "R_POS_32", /* name */
1702 true, /* partial_inplace */
1703 0xffffffff, /* src_mask */
1704 0xffffffff, /* dst_mask */
1705 false), /* pcrel_offset */
1707 /* 16 bit Non modifiable absolute branch. */
1708 HOWTO (R_BA, /* type */
1710 1, /* size (0 = byte, 1 = short, 2 = long) */
1712 false, /* pc_relative */
1714 complain_overflow_bitfield, /* complain_on_overflow */
1715 0, /* special_function */
1716 "R_BA_16", /* name */
1717 true, /* partial_inplace */
1718 0xfffc, /* src_mask */
1719 0xfffc, /* dst_mask */
1720 false), /* pcrel_offset */
1722 /* Modifiable branch relative. */
1723 HOWTO (R_RBR, /* type */
1725 1, /* size (0 = byte, 1 = short, 2 = long) */
1727 false, /* pc_relative */
1729 complain_overflow_signed, /* complain_on_overflow */
1730 0, /* special_function */
1731 "R_RBR_16", /* name */
1732 true, /* partial_inplace */
1733 0xffff, /* src_mask */
1734 0xffff, /* dst_mask */
1735 false), /* pcrel_offset */
1737 /* Modifiable branch absolute. */
1738 HOWTO (R_RBA, /* type */
1740 1, /* size (0 = byte, 1 = short, 2 = long) */
1742 false, /* pc_relative */
1744 complain_overflow_bitfield, /* complain_on_overflow */
1745 0, /* special_function */
1746 "R_RBA_16", /* name */
1747 true, /* partial_inplace */
1748 0xffff, /* src_mask */
1749 0xffff, /* dst_mask */
1750 false), /* pcrel_offset */
1755 xcoff64_rtype2howto (relent, internal)
1757 struct internal_reloc *internal;
1759 if (internal->r_type > R_RBRC)
1762 /* Default howto layout works most of the time */
1763 relent->howto = &xcoff64_howto_table[internal->r_type];
1765 /* Special case some 16 bit reoloc */
1766 if (15 == (internal->r_size & 0x3f))
1768 if (R_BA == internal->r_type)
1769 relent->howto = &xcoff64_howto_table[0x1d];
1770 else if (R_RBR == internal->r_type)
1771 relent->howto = &xcoff64_howto_table[0x1e];
1772 else if (R_RBA == internal->r_type)
1773 relent->howto = &xcoff64_howto_table[0x1f];
1775 /* Special case 32 bit */
1776 else if (31 == (internal->r_size & 0x3f))
1778 if (R_POS == internal->r_type)
1779 relent->howto = &xcoff64_howto_table[0x1c];
1782 /* The r_size field of an XCOFF reloc encodes the bitsize of the
1783 relocation, as well as indicating whether it is signed or not.
1784 Doublecheck that the relocation information gathered from the
1785 type matches this information. The bitsize is not significant
1786 for R_REF relocs. */
1787 if (relent->howto->dst_mask != 0
1788 && (relent->howto->bitsize
1789 != ((unsigned int) internal->r_size & 0x3f) + 1))
1792 /* Put a meaningful value in addend */
1793 relent->addend = (internal->r_size & 0x80
1794 ? -internal->r_vaddr
1795 : internal->r_vaddr);
1799 xcoff64_reloc_type_lookup (abfd, code)
1800 bfd *abfd ATTRIBUTE_UNUSED;
1801 bfd_reloc_code_real_type code;
1805 case BFD_RELOC_PPC_B26:
1806 return &xcoff64_howto_table[0xa];
1807 case BFD_RELOC_PPC_BA16:
1808 return &xcoff64_howto_table[0x1d];
1809 case BFD_RELOC_PPC_BA26:
1810 return &xcoff64_howto_table[8];
1811 case BFD_RELOC_PPC_TOC16:
1812 return &xcoff64_howto_table[3];
1814 case BFD_RELOC_CTOR:
1815 return &xcoff64_howto_table[0x1c];
1817 return &xcoff64_howto_table[0];
1823 /* Read in the armap of an XCOFF archive. */
1826 xcoff64_slurp_armap (abfd)
1831 bfd_size_type sz, amt;
1832 bfd_byte *contents, *cend;
1838 /* This is for the new format. */
1839 struct xcoff_ar_hdr_big hdr;
1841 if (xcoff_ardata (abfd) == NULL)
1843 bfd_has_map (abfd) = false;
1847 off = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64,
1848 (const char **) NULL, 10);
1851 bfd_has_map (abfd) = false;
1855 if (bfd_seek (abfd, off, SEEK_SET) != 0)
1858 /* The symbol table starts with a normal archive header. */
1859 if (bfd_bread ((PTR) &hdr, (bfd_size_type) SIZEOF_AR_HDR_BIG, abfd)
1860 != SIZEOF_AR_HDR_BIG)
1863 /* Skip the name (normally empty). */
1864 namlen = strtol (hdr.namlen, (char **) NULL, 10);
1865 pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG;
1866 if (bfd_seek (abfd, pos, SEEK_CUR) != 0)
1869 sz = bfd_scan_vma (hdr.size, (const char **) NULL, 10);
1871 /* Read in the entire symbol table. */
1872 contents = (bfd_byte *) bfd_alloc (abfd, sz);
1873 if (contents == NULL)
1875 if (bfd_bread ((PTR) contents, sz, abfd) != sz)
1878 /* The symbol table starts with an eight byte count. */
1879 c = H_GET_64 (abfd, contents);
1883 bfd_set_error (bfd_error_bad_value);
1887 amt *= sizeof (carsym);
1888 bfd_ardata (abfd)->symdefs = (carsym *) bfd_alloc (abfd, amt);
1889 if (bfd_ardata (abfd)->symdefs == NULL)
1892 /* After the count comes a list of eight byte file offsets. */
1893 for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 8;
1895 ++i, ++arsym, p += 8)
1896 arsym->file_offset = H_GET_64 (abfd, p);
1898 /* After the file offsets come null terminated symbol names. */
1899 cend = contents + sz;
1900 for (i = 0, arsym = bfd_ardata (abfd)->symdefs;
1902 ++i, ++arsym, p += strlen ((char *) p) + 1)
1906 bfd_set_error (bfd_error_bad_value);
1909 arsym->name = (char *) p;
1912 bfd_ardata (abfd)->symdef_count = c;
1913 bfd_has_map (abfd) = true;
1919 /* See if this is an NEW XCOFF archive. */
1921 static const bfd_target *
1922 xcoff64_archive_p (abfd)
1925 struct artdata *tdata_hold;
1926 char magic[SXCOFFARMAG];
1927 /* This is the new format. */
1928 struct xcoff_ar_file_hdr_big hdr;
1929 bfd_size_type amt = SXCOFFARMAG;
1931 if (bfd_bread ((PTR) magic, amt, abfd) != amt)
1933 if (bfd_get_error () != bfd_error_system_call)
1934 bfd_set_error (bfd_error_wrong_format);
1938 if (strncmp (magic, XCOFFARMAGBIG, SXCOFFARMAG) != 0)
1940 bfd_set_error (bfd_error_wrong_format);
1944 /* Copy over the magic string. */
1945 memcpy (hdr.magic, magic, SXCOFFARMAG);
1947 /* Now read the rest of the file header. */
1948 amt = SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG;
1949 if (bfd_bread ((PTR) &hdr.memoff, amt, abfd) != amt)
1951 if (bfd_get_error () != bfd_error_system_call)
1952 bfd_set_error (bfd_error_wrong_format);
1956 tdata_hold = bfd_ardata (abfd);
1958 amt = sizeof (struct artdata);
1959 bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt);
1960 if (bfd_ardata (abfd) == (struct artdata *) NULL)
1961 goto error_ret_restore;
1963 bfd_ardata (abfd)->cache = NULL;
1964 bfd_ardata (abfd)->archive_head = NULL;
1965 bfd_ardata (abfd)->symdefs = NULL;
1966 bfd_ardata (abfd)->extended_names = NULL;
1967 bfd_ardata (abfd)->first_file_filepos = bfd_scan_vma (hdr.firstmemoff,
1968 (const char **) NULL,
1971 amt = SIZEOF_AR_FILE_HDR_BIG;
1972 bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt);
1973 if (bfd_ardata (abfd)->tdata == NULL)
1976 memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG);
1978 if (! xcoff64_slurp_armap (abfd))
1981 bfd_release (abfd, bfd_ardata (abfd));
1983 bfd_ardata (abfd) = tdata_hold;
1991 /* Open the next element in an XCOFF archive. */
1994 xcoff64_openr_next_archived_file (archive, last_file)
2000 if ((xcoff_ardata (archive) == NULL)
2001 || ! xcoff_big_format_p (archive))
2003 bfd_set_error (bfd_error_invalid_operation);
2007 if (last_file == NULL)
2009 filestart = bfd_ardata (archive)->first_file_filepos;
2013 filestart = bfd_scan_vma (arch_xhdr_big (last_file)->nextoff,
2014 (const char **) NULL, 10);
2018 || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->memoff,
2019 (const char **) NULL, 10)
2020 || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->symoff,
2021 (const char **) NULL, 10))
2023 bfd_set_error (bfd_error_no_more_archived_files);
2027 return _bfd_get_elt_at_filepos (archive, filestart);
2030 /* We can't use the usual coff_sizeof_headers routine, because AIX
2031 always uses an a.out header. */
2035 xcoff64_sizeof_headers (abfd, reloc)
2037 boolean reloc ATTRIBUTE_UNUSED;
2041 size = bfd_coff_filhsz (abfd);
2043 /* Don't think the small aout header can be used since some of the
2044 old elements have been reordered past the end of the old coff
2047 if (xcoff_data (abfd)->full_aouthdr)
2048 size += bfd_coff_aoutsz (abfd);
2050 size += abfd->section_count * bfd_coff_scnhsz (abfd);
2057 xcoff64_create_csect_from_smclas (abfd, aux, symbol_name)
2059 union internal_auxent *aux;
2060 const char *symbol_name;
2062 asection *return_value = NULL;
2064 /* Changes from 32 :
2065 .sv == 8, is only for 32 bit programs
2066 .ti == 12 and .tb == 13 are now reserved. */
2067 static const char *names[19] =
2069 ".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo",
2070 NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0",
2071 ".td", ".sv64", ".sv3264"
2074 if ((19 >= aux->x_csect.x_smclas)
2075 && (NULL != names[aux->x_csect.x_smclas]))
2078 return_value = bfd_make_section_anyway
2079 (abfd, names[aux->x_csect.x_smclas]);
2084 (*_bfd_error_handler)
2085 (_("%s: symbol `%s' has unrecognized smclas %d"),
2086 bfd_archive_filename (abfd), symbol_name, aux->x_csect.x_smclas);
2087 bfd_set_error (bfd_error_bad_value);
2090 return return_value;
2094 xcoff64_is_lineno_count_overflow (abfd, value)
2095 bfd *abfd ATTRIBUTE_UNUSED;
2096 bfd_vma value ATTRIBUTE_UNUSED;
2102 xcoff64_is_reloc_count_overflow (abfd, value)
2103 bfd *abfd ATTRIBUTE_UNUSED;
2104 bfd_vma value ATTRIBUTE_UNUSED;
2110 xcoff64_loader_symbol_offset (abfd, ldhdr)
2111 bfd *abfd ATTRIBUTE_UNUSED;
2112 struct internal_ldhdr *ldhdr;
2114 return (ldhdr->l_symoff);
2118 xcoff64_loader_reloc_offset (abfd, ldhdr)
2119 bfd *abfd ATTRIBUTE_UNUSED;
2120 struct internal_ldhdr *ldhdr;
2122 return (ldhdr->l_rldoff);
2126 xcoff64_bad_format_hook (abfd, filehdr)
2130 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
2132 /* Check flavor first. */
2133 if (bfd_get_flavour (abfd) != bfd_target_xcoff_flavour)
2136 if (bfd_xcoff_magic_number (abfd) != internal_f->f_magic)
2143 xcoff64_generate_rtinit (abfd, init, fini, rtld)
2149 bfd_byte filehdr_ext[FILHSZ];
2150 bfd_byte scnhdr_ext[SCNHSZ * 3];
2151 bfd_byte syment_ext[SYMESZ * 10];
2152 bfd_byte reloc_ext[RELSZ * 3];
2153 bfd_byte *data_buffer;
2154 bfd_size_type data_buffer_size;
2155 bfd_byte *string_table, *st_tmp;
2156 bfd_size_type string_table_size;
2158 size_t initsz, finisz;
2159 struct internal_filehdr filehdr;
2160 struct internal_scnhdr text_scnhdr;
2161 struct internal_scnhdr data_scnhdr;
2162 struct internal_scnhdr bss_scnhdr;
2163 struct internal_syment syment;
2164 union internal_auxent auxent;
2165 struct internal_reloc reloc;
2167 char *text_name = ".text";
2168 char *data_name = ".data";
2169 char *bss_name = ".bss";
2170 char *rtinit_name = "__rtinit";
2171 char *rtld_name = "__rtld";
2173 if (! bfd_xcoff_rtinit_size (abfd))
2176 initsz = (init == NULL ? 0 : 1 + strlen (init));
2177 finisz = (fini == NULL ? 0 : 1 + strlen (fini));
2180 memset (filehdr_ext, 0, FILHSZ);
2181 memset (&filehdr, 0, sizeof (struct internal_filehdr));
2182 filehdr.f_magic = bfd_xcoff_magic_number (abfd);
2183 filehdr.f_nscns = 3;
2184 filehdr.f_timdat = 0;
2185 filehdr.f_nsyms = 0; /* at least 6, no more than 8 */
2186 filehdr.f_symptr = 0; /* set below */
2187 filehdr.f_opthdr = 0;
2188 filehdr.f_flags = 0;
2190 /* Section headers. */
2191 memset (scnhdr_ext, 0, 3 * SCNHSZ);
2194 memset (&text_scnhdr, 0, sizeof (struct internal_scnhdr));
2195 memcpy (text_scnhdr.s_name, text_name, strlen (text_name));
2196 text_scnhdr.s_paddr = 0;
2197 text_scnhdr.s_vaddr = 0;
2198 text_scnhdr.s_size = 0;
2199 text_scnhdr.s_scnptr = 0;
2200 text_scnhdr.s_relptr = 0;
2201 text_scnhdr.s_lnnoptr = 0;
2202 text_scnhdr.s_nreloc = 0;
2203 text_scnhdr.s_nlnno = 0;
2204 text_scnhdr.s_flags = STYP_TEXT;
2207 memset (&data_scnhdr, 0, sizeof (struct internal_scnhdr));
2208 memcpy (data_scnhdr.s_name, data_name, strlen (data_name));
2209 data_scnhdr.s_paddr = 0;
2210 data_scnhdr.s_vaddr = 0;
2211 data_scnhdr.s_size = 0; /* set below */
2212 data_scnhdr.s_scnptr = FILHSZ + 3 * SCNHSZ;
2213 data_scnhdr.s_relptr = 0; /* set below */
2214 data_scnhdr.s_lnnoptr = 0;
2215 data_scnhdr.s_nreloc = 0; /* either 1 or 2 */
2216 data_scnhdr.s_nlnno = 0;
2217 data_scnhdr.s_flags = STYP_DATA;
2220 memset (&bss_scnhdr, 0, sizeof (struct internal_scnhdr));
2221 memcpy (bss_scnhdr.s_name, bss_name, strlen (bss_name));
2222 bss_scnhdr.s_paddr = 0; /* set below */
2223 bss_scnhdr.s_vaddr = 0; /* set below */
2224 bss_scnhdr.s_size = 0; /* set below */
2225 bss_scnhdr.s_scnptr = 0;
2226 bss_scnhdr.s_relptr = 0;
2227 bss_scnhdr.s_lnnoptr = 0;
2228 bss_scnhdr.s_nreloc = 0;
2229 bss_scnhdr.s_nlnno = 0;
2230 bss_scnhdr.s_flags = STYP_BSS;
2233 0x0000 0x00000000 : rtl
2235 0x0008 0x00000018 : offset to init, or 0
2236 0x000C 0x00000038 : offset to fini, or 0
2237 0x0010 0x00000010 : size of descriptor
2238 0x0014 0x00000000 : pad
2239 0x0018 0x00000000 : init, needs a reloc
2241 0x0020 0x00000058 : offset to init name
2242 0x0024 0x00000000 : flags, padded to a word
2243 0x0028 0x00000000 : empty init
2247 0x0038 0x00000000 : fini, needs a reloc
2249 0x0040 0x00000??? : offset to fini name
2250 0x0044 0x00000000 : flags, padded to a word
2251 0x0048 0x00000000 : empty fini
2256 0x0058 + initsz fini name */
2258 data_buffer_size = 0x0058 + initsz + finisz;
2259 data_buffer_size += (data_buffer_size & 7) ? 8 - (data_buffer_size & 7) : 0;
2261 data_buffer = (bfd_byte *) bfd_zmalloc (data_buffer_size);
2262 if (data_buffer == NULL)
2268 bfd_put_32 (abfd, val, &data_buffer[0x08]);
2270 bfd_put_32 (abfd, val, &data_buffer[0x20]);
2271 memcpy (&data_buffer[val], init, initsz);
2277 bfd_put_32 (abfd, val, &data_buffer[0x0C]);
2278 val = 0x58 + initsz;
2279 bfd_put_32 (abfd, val, &data_buffer[0x40]);
2280 memcpy (&data_buffer[val], fini, finisz);
2284 bfd_put_32 (abfd, val, &data_buffer[0x10]);
2285 data_scnhdr.s_size = data_buffer_size;
2286 bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size;
2289 string_table_size = 4;
2290 string_table_size += strlen (data_name) + 1;
2291 string_table_size += strlen (rtinit_name) + 1;
2292 string_table_size += initsz;
2293 string_table_size += finisz;
2295 string_table_size += strlen (rtld_name) + 1;
2297 string_table = (bfd_byte *) bfd_zmalloc (string_table_size);
2298 if (string_table == NULL)
2301 val = string_table_size;
2302 bfd_put_32 (abfd, val, &string_table[0]);
2303 st_tmp = string_table + 4;
2311 memset (syment_ext, 0, 10 * SYMESZ);
2312 memset (reloc_ext, 0, 3 * RELSZ);
2315 memset (&syment, 0, sizeof (struct internal_syment));
2316 memset (&auxent, 0, sizeof (union internal_auxent));
2318 syment._n._n_n._n_offset = st_tmp - string_table;
2319 memcpy (st_tmp, data_name, strlen (data_name));
2320 st_tmp += strlen (data_name) + 1;
2323 syment.n_sclass = C_HIDEXT;
2324 syment.n_numaux = 1;
2325 auxent.x_csect.x_scnlen.l = data_buffer_size;
2326 auxent.x_csect.x_smtyp = 3 << 3 | XTY_SD;
2327 auxent.x_csect.x_smclas = XMC_RW;
2328 bfd_coff_swap_sym_out (abfd, &syment,
2329 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2330 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2332 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2333 filehdr.f_nsyms += 2;
2336 memset (&syment, 0, sizeof (struct internal_syment));
2337 memset (&auxent, 0, sizeof (union internal_auxent));
2338 syment._n._n_n._n_offset = st_tmp - string_table;
2339 memcpy (st_tmp, rtinit_name, strlen (rtinit_name));
2340 st_tmp += strlen (rtinit_name) + 1;
2343 syment.n_sclass = C_EXT;
2344 syment.n_numaux = 1;
2345 auxent.x_csect.x_smtyp = XTY_LD;
2346 auxent.x_csect.x_smclas = XMC_RW;
2347 bfd_coff_swap_sym_out (abfd, &syment,
2348 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2349 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2351 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2352 filehdr.f_nsyms += 2;
2357 memset (&syment, 0, sizeof (struct internal_syment));
2358 memset (&auxent, 0, sizeof (union internal_auxent));
2360 syment._n._n_n._n_offset = st_tmp - string_table;
2361 memcpy (st_tmp, init, initsz);
2364 syment.n_sclass = C_EXT;
2365 syment.n_numaux = 1;
2366 bfd_coff_swap_sym_out (abfd, &syment,
2367 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2368 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2370 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2372 memset (&reloc, 0, sizeof (struct internal_reloc));
2373 reloc.r_vaddr = 0x0018;
2374 reloc.r_symndx = filehdr.f_nsyms;
2375 reloc.r_type = R_POS;
2377 bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]);
2379 filehdr.f_nsyms += 2;
2380 data_scnhdr.s_nreloc += 1;
2386 memset (&syment, 0, sizeof (struct internal_syment));
2387 memset (&auxent, 0, sizeof (union internal_auxent));
2389 syment._n._n_n._n_offset = st_tmp - string_table;
2390 memcpy (st_tmp, fini, finisz);
2393 syment.n_sclass = C_EXT;
2394 syment.n_numaux = 1;
2395 bfd_coff_swap_sym_out (abfd, &syment,
2396 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2397 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2399 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2402 memset (&reloc, 0, sizeof (struct internal_reloc));
2403 reloc.r_vaddr = 0x0038;
2404 reloc.r_symndx = filehdr.f_nsyms;
2405 reloc.r_type = R_POS;
2407 bfd_coff_swap_reloc_out (abfd, &reloc,
2408 &reloc_ext[data_scnhdr.s_nreloc * RELSZ]);
2410 filehdr.f_nsyms += 2;
2411 data_scnhdr.s_nreloc += 1;
2416 memset (&syment, 0, sizeof (struct internal_syment));
2417 memset (&auxent, 0, sizeof (union internal_auxent));
2419 syment._n._n_n._n_offset = st_tmp - string_table;
2420 memcpy (st_tmp, rtld_name, strlen (rtld_name));
2421 st_tmp += strlen (rtld_name) + 1;
2423 syment.n_sclass = C_EXT;
2424 syment.n_numaux = 1;
2425 bfd_coff_swap_sym_out (abfd, &syment,
2426 &syment_ext[filehdr.f_nsyms * SYMESZ]);
2427 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
2429 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
2432 memset (&reloc, 0, sizeof (struct internal_reloc));
2433 reloc.r_vaddr = 0x0000;
2434 reloc.r_symndx = filehdr.f_nsyms;
2435 reloc.r_type = R_POS;
2437 bfd_coff_swap_reloc_out (abfd, &reloc,
2438 &reloc_ext[data_scnhdr.s_nreloc * RELSZ]);
2440 filehdr.f_nsyms += 2;
2441 data_scnhdr.s_nreloc += 1;
2443 bss_scnhdr.s_size = 0;
2446 data_scnhdr.s_relptr = data_scnhdr.s_scnptr + data_buffer_size;
2447 filehdr.f_symptr = data_scnhdr.s_relptr + data_scnhdr.s_nreloc * RELSZ;
2449 bfd_coff_swap_filehdr_out (abfd, &filehdr, filehdr_ext);
2450 bfd_bwrite (filehdr_ext, FILHSZ, abfd);
2451 bfd_coff_swap_scnhdr_out (abfd, &text_scnhdr, &scnhdr_ext[SCNHSZ * 0]);
2452 bfd_coff_swap_scnhdr_out (abfd, &data_scnhdr, &scnhdr_ext[SCNHSZ * 1]);
2453 bfd_coff_swap_scnhdr_out (abfd, &bss_scnhdr, &scnhdr_ext[SCNHSZ * 2]);
2454 bfd_bwrite (scnhdr_ext, 3 * SCNHSZ, abfd);
2455 bfd_bwrite (data_buffer, data_buffer_size, abfd);
2456 bfd_bwrite (reloc_ext, data_scnhdr.s_nreloc * RELSZ, abfd);
2457 bfd_bwrite (syment_ext, filehdr.f_nsyms * SYMESZ, abfd);
2458 bfd_bwrite (string_table, string_table_size, abfd);
2466 /* The typical dynamic reloc. */
2468 static reloc_howto_type xcoff64_dynamic_reloc =
2469 HOWTO (0, /* type */
2471 4, /* size (0 = byte, 1 = short, 2 = long) */
2473 false, /* pc_relative */
2475 complain_overflow_bitfield, /* complain_on_overflow */
2476 0, /* special_function */
2478 true, /* partial_inplace */
2479 MINUS_ONE, /* src_mask */
2480 MINUS_ONE, /* dst_mask */
2481 false); /* pcrel_offset */
2483 static unsigned long xcoff64_glink_code[10] =
2485 0xe9820000, /* ld r12,0(r2) */
2486 0xf8410028, /* std r2,40(r1) */
2487 0xe80c0000, /* ld r0,0(r12) */
2488 0xe84c0008, /* ld r0,8(r12) */
2489 0x7c0903a6, /* mtctr r0 */
2490 0x4e800420, /* bctr */
2491 0x00000000, /* start of traceback table */
2492 0x000ca000, /* traceback table */
2493 0x00000000, /* traceback table */
2494 0x00000018, /* ??? */
2497 static const struct xcoff_backend_data_rec bfd_xcoff_backend_data =
2499 { /* COFF backend, defined in libcoff.h. */
2500 _bfd_xcoff64_swap_aux_in,
2501 _bfd_xcoff64_swap_sym_in,
2502 _bfd_xcoff64_swap_lineno_in,
2503 _bfd_xcoff64_swap_aux_out,
2504 _bfd_xcoff64_swap_sym_out,
2505 _bfd_xcoff64_swap_lineno_out,
2506 xcoff64_swap_reloc_out,
2507 coff_swap_filehdr_out,
2508 coff_swap_aouthdr_out,
2509 coff_swap_scnhdr_out,
2518 true, /* _bfd_coff_long_filenames */
2519 false, /* _bfd_coff_long_section_names */
2520 3, /* _bfd_coff_default_section_alignment_power */
2521 true, /* _bfd_coff_force_symnames_in_strings */
2522 4, /* _bfd_coff_debug_string_prefix_length */
2523 coff_swap_filehdr_in,
2524 coff_swap_aouthdr_in,
2525 coff_swap_scnhdr_in,
2526 xcoff64_swap_reloc_in,
2527 xcoff64_bad_format_hook,
2528 coff_set_arch_mach_hook,
2531 coff_set_alignment_hook,
2532 coff_slurp_symbol_table,
2533 symname_in_debug_hook,
2534 coff_pointerize_aux_hook,
2536 dummy_reloc16_extra_cases,
2537 dummy_reloc16_estimate,
2538 NULL, /* bfd_coff_sym_is_global */
2539 coff_compute_section_file_positions,
2540 NULL, /* _bfd_coff_start_final_link */
2541 xcoff64_ppc_relocate_section,
2542 coff_rtype_to_howto,
2543 NULL, /* _bfd_coff_adjust_symndx */
2544 _bfd_generic_link_add_one_symbol,
2545 coff_link_output_has_begun,
2546 coff_final_link_postscript
2549 0x01EF, /* magic number */
2553 /* Function pointers to xcoff specific swap routines. */
2554 xcoff64_swap_ldhdr_in,
2555 xcoff64_swap_ldhdr_out,
2556 xcoff64_swap_ldsym_in,
2557 xcoff64_swap_ldsym_out,
2558 xcoff64_swap_ldrel_in,
2559 xcoff64_swap_ldrel_out,
2565 24, /* _xcoff_function_descriptor_size */
2566 0, /* _xcoff_small_aout_header_size */
2569 2, /* _xcoff_ldhdr_version */
2571 _bfd_xcoff64_put_symbol_name,
2572 _bfd_xcoff64_put_ldsymbol_name,
2573 &xcoff64_dynamic_reloc,
2574 xcoff64_create_csect_from_smclas,
2576 /* Lineno and reloc count overflow. */
2577 xcoff64_is_lineno_count_overflow,
2578 xcoff64_is_reloc_count_overflow,
2580 xcoff64_loader_symbol_offset,
2581 xcoff64_loader_reloc_offset,
2584 &xcoff64_glink_code[0],
2585 40, /* _xcoff_glink_size */
2588 88, /* _xcoff_rtinit_size */
2589 xcoff64_generate_rtinit,
2592 /* The transfer vector that leads the outside world to all of the above. */
2593 const bfd_target rs6000coff64_vec =
2596 bfd_target_xcoff_flavour,
2597 BFD_ENDIAN_BIG, /* data byte order is big */
2598 BFD_ENDIAN_BIG, /* header byte order is big */
2600 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC
2601 | HAS_SYMS | HAS_LOCALS | WP_TEXT),
2603 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC),
2604 0, /* leading char */
2605 '/', /* ar_pad_char */
2606 15, /* ar_max_namelen */
2630 { /* bfd_check_format */
2637 { /* bfd_set_format */
2640 _bfd_generic_mkarchive,
2644 {/* bfd_write_contents */
2646 xcoff64_write_object_contents,
2647 _bfd_xcoff_write_archive_contents,
2654 coff_new_section_hook,
2655 _bfd_generic_get_section_contents,
2656 _bfd_generic_get_section_contents_in_window,
2659 _bfd_xcoff_copy_private_bfd_data,
2660 ((boolean (*) (bfd *, bfd *)) bfd_true),
2661 ((boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true),
2662 ((boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true),
2663 ((boolean (*) (bfd *, flagword)) bfd_true),
2664 ((boolean (*) (bfd *, void * )) bfd_true),
2667 coff_core_file_failing_command,
2668 coff_core_file_failing_signal,
2669 coff_core_file_matches_executable_p,
2672 xcoff64_slurp_armap,
2674 ((boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false),
2675 bfd_dont_truncate_arname,
2676 _bfd_xcoff_write_armap,
2677 _bfd_xcoff_read_ar_hdr,
2678 xcoff64_openr_next_archived_file,
2679 _bfd_generic_get_elt_at_index,
2680 _bfd_xcoff_stat_arch_elt,
2684 coff_get_symtab_upper_bound,
2686 coff_make_empty_symbol,
2688 coff_get_symbol_info,
2689 _bfd_xcoff_is_local_label_name,
2691 coff_find_nearest_line,
2692 coff_bfd_make_debug_symbol,
2693 _bfd_generic_read_minisymbols,
2694 _bfd_generic_minisymbol_to_symbol,
2697 coff_get_reloc_upper_bound,
2698 coff_canonicalize_reloc,
2699 xcoff64_reloc_type_lookup,
2703 coff_set_section_contents,
2706 xcoff64_sizeof_headers,
2707 bfd_generic_get_relocated_section_contents,
2708 bfd_generic_relax_section,
2709 _bfd_xcoff_bfd_link_hash_table_create,
2710 _bfd_generic_link_hash_table_free,
2711 _bfd_xcoff_bfd_link_add_symbols,
2712 _bfd_generic_link_just_syms,
2713 _bfd_xcoff_bfd_final_link,
2714 _bfd_generic_link_split_section,
2715 bfd_generic_gc_sections,
2716 bfd_generic_merge_sections,
2717 bfd_generic_discard_group,
2720 _bfd_xcoff_get_dynamic_symtab_upper_bound,
2721 _bfd_xcoff_canonicalize_dynamic_symtab,
2722 _bfd_xcoff_get_dynamic_reloc_upper_bound,
2723 _bfd_xcoff_canonicalize_dynamic_reloc,
2725 /* Opposite endian version, none exists */
2728 (void *) &bfd_xcoff_backend_data,
2731 extern const bfd_target *xcoff64_core_p PARAMS ((bfd *));
2732 extern boolean xcoff64_core_file_matches_executable_p PARAMS ((bfd *, bfd *));
2733 extern char *xcoff64_core_file_failing_command PARAMS ((bfd *));
2734 extern int xcoff64_core_file_failing_signal PARAMS ((bfd *));
2737 static const struct xcoff_backend_data_rec bfd_xcoff_aix5_backend_data =
2739 { /* COFF backend, defined in libcoff.h. */
2740 _bfd_xcoff64_swap_aux_in,
2741 _bfd_xcoff64_swap_sym_in,
2742 _bfd_xcoff64_swap_lineno_in,
2743 _bfd_xcoff64_swap_aux_out,
2744 _bfd_xcoff64_swap_sym_out,
2745 _bfd_xcoff64_swap_lineno_out,
2746 xcoff64_swap_reloc_out,
2747 coff_swap_filehdr_out,
2748 coff_swap_aouthdr_out,
2749 coff_swap_scnhdr_out,
2758 true, /* _bfd_coff_long_filenames */
2759 false, /* _bfd_coff_long_section_names */
2760 3, /* _bfd_coff_default_section_alignment_power */
2761 true, /* _bfd_coff_force_symnames_in_strings */
2762 4, /* _bfd_coff_debug_string_prefix_length */
2763 coff_swap_filehdr_in,
2764 coff_swap_aouthdr_in,
2765 coff_swap_scnhdr_in,
2766 xcoff64_swap_reloc_in,
2767 xcoff64_bad_format_hook,
2768 coff_set_arch_mach_hook,
2771 coff_set_alignment_hook,
2772 coff_slurp_symbol_table,
2773 symname_in_debug_hook,
2774 coff_pointerize_aux_hook,
2776 dummy_reloc16_extra_cases,
2777 dummy_reloc16_estimate,
2778 NULL, /* bfd_coff_sym_is_global */
2779 coff_compute_section_file_positions,
2780 NULL, /* _bfd_coff_start_final_link */
2781 xcoff64_ppc_relocate_section,
2782 coff_rtype_to_howto,
2783 NULL, /* _bfd_coff_adjust_symndx */
2784 _bfd_generic_link_add_one_symbol,
2785 coff_link_output_has_begun,
2786 coff_final_link_postscript
2789 U64_TOCMAGIC, /* magic number */
2793 /* Function pointers to xcoff specific swap routines. */
2794 xcoff64_swap_ldhdr_in,
2795 xcoff64_swap_ldhdr_out,
2796 xcoff64_swap_ldsym_in,
2797 xcoff64_swap_ldsym_out,
2798 xcoff64_swap_ldrel_in,
2799 xcoff64_swap_ldrel_out,
2805 24, /* _xcoff_function_descriptor_size */
2806 0, /* _xcoff_small_aout_header_size */
2808 2, /* _xcoff_ldhdr_version */
2810 _bfd_xcoff64_put_symbol_name,
2811 _bfd_xcoff64_put_ldsymbol_name,
2812 &xcoff64_dynamic_reloc,
2813 xcoff64_create_csect_from_smclas,
2815 /* Lineno and reloc count overflow. */
2816 xcoff64_is_lineno_count_overflow,
2817 xcoff64_is_reloc_count_overflow,
2819 xcoff64_loader_symbol_offset,
2820 xcoff64_loader_reloc_offset,
2823 &xcoff64_glink_code[0],
2824 40, /* _xcoff_glink_size */
2827 88, /* _xcoff_rtinit_size */
2828 xcoff64_generate_rtinit,
2831 /* The transfer vector that leads the outside world to all of the above. */
2832 const bfd_target aix5coff64_vec =
2834 "aix5coff64-rs6000",
2835 bfd_target_xcoff_flavour,
2836 BFD_ENDIAN_BIG, /* data byte order is big */
2837 BFD_ENDIAN_BIG, /* header byte order is big */
2839 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC
2840 | HAS_SYMS | HAS_LOCALS | WP_TEXT),
2842 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC),
2843 0, /* leading char */
2844 '/', /* ar_pad_char */
2845 15, /* ar_max_namelen */
2869 { /* bfd_check_format */
2876 { /* bfd_set_format */
2879 _bfd_generic_mkarchive,
2883 {/* bfd_write_contents */
2885 xcoff64_write_object_contents,
2886 _bfd_xcoff_write_archive_contents,
2893 coff_new_section_hook,
2894 _bfd_generic_get_section_contents,
2895 _bfd_generic_get_section_contents_in_window,
2898 _bfd_xcoff_copy_private_bfd_data,
2899 ((boolean (*) (bfd *, bfd *)) bfd_true),
2900 ((boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true),
2901 ((boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true),
2902 ((boolean (*) (bfd *, flagword)) bfd_true),
2903 ((boolean (*) (bfd *, void * )) bfd_true),
2906 xcoff64_core_file_failing_command,
2907 xcoff64_core_file_failing_signal,
2908 xcoff64_core_file_matches_executable_p,
2911 xcoff64_slurp_armap,
2913 ((boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false),
2914 bfd_dont_truncate_arname,
2915 _bfd_xcoff_write_armap,
2916 _bfd_xcoff_read_ar_hdr,
2917 xcoff64_openr_next_archived_file,
2918 _bfd_generic_get_elt_at_index,
2919 _bfd_xcoff_stat_arch_elt,
2923 coff_get_symtab_upper_bound,
2925 coff_make_empty_symbol,
2927 coff_get_symbol_info,
2928 _bfd_xcoff_is_local_label_name,
2930 coff_find_nearest_line,
2931 coff_bfd_make_debug_symbol,
2932 _bfd_generic_read_minisymbols,
2933 _bfd_generic_minisymbol_to_symbol,
2936 coff_get_reloc_upper_bound,
2937 coff_canonicalize_reloc,
2938 xcoff64_reloc_type_lookup,
2942 coff_set_section_contents,
2945 xcoff64_sizeof_headers,
2946 bfd_generic_get_relocated_section_contents,
2947 bfd_generic_relax_section,
2948 _bfd_xcoff_bfd_link_hash_table_create,
2949 _bfd_generic_link_hash_table_free,
2950 _bfd_xcoff_bfd_link_add_symbols,
2951 _bfd_generic_link_just_syms,
2952 _bfd_xcoff_bfd_final_link,
2953 _bfd_generic_link_split_section,
2954 bfd_generic_gc_sections,
2955 bfd_generic_merge_sections,
2956 bfd_generic_discard_group,
2959 _bfd_xcoff_get_dynamic_symtab_upper_bound,
2960 _bfd_xcoff_canonicalize_dynamic_symtab,
2961 _bfd_xcoff_get_dynamic_reloc_upper_bound,
2962 _bfd_xcoff_canonicalize_dynamic_reloc,
2964 /* Opposite endian version, none exists. */
2967 (void *) & bfd_xcoff_aix5_backend_data,