1 /* Support for 32-bit PowerPC NLM (NetWare Loadable Module)
2 Copyright 1994, 1995, 2000, 2001 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24 /* The format of a PowerPC NLM changed. Define OLDFORMAT to get the
29 #include "nlm/ppc-ext.h"
30 #define Nlm_External_Fixed_Header Nlm32_powerpc_External_Fixed_Header
35 static boolean nlm_powerpc_backend_object_p
37 static boolean nlm_powerpc_write_prefix
41 static boolean nlm_powerpc_read_reloc
42 PARAMS ((bfd *, nlmNAME(symbol_type) *, asection **, arelent *));
43 static boolean nlm_powerpc_mangle_relocs
44 PARAMS ((bfd *, asection *, PTR, bfd_vma, bfd_size_type));
45 static boolean nlm_powerpc_read_import
46 PARAMS ((bfd *, nlmNAME(symbol_type) *));
49 static boolean nlm_powerpc_write_reloc
50 PARAMS ((bfd *, asection *, arelent *, int));
53 static boolean nlm_powerpc_write_import
54 PARAMS ((bfd *, asection *, arelent *));
55 static boolean nlm_powerpc_write_external
56 PARAMS ((bfd *, bfd_size_type, asymbol *, struct reloc_and_sec *));
59 static boolean nlm_powerpc_set_public_section
60 PARAMS ((bfd *, nlmNAME(symbol_type) *));
61 static bfd_vma nlm_powerpc_get_public_offset
62 PARAMS ((bfd *, asymbol *));
67 /* The prefix header is only used in the old format. */
69 /* PowerPC NLM's have a prefix header before the standard NLM. This
70 function reads it in, verifies the version, and seeks the bfd to
71 the location before the regular NLM header. */
74 nlm_powerpc_backend_object_p (abfd)
77 struct nlm32_powerpc_external_prefix_header s;
79 if (bfd_bread ((PTR) &s, (bfd_size_type) sizeof s, abfd) != sizeof s)
82 if (memcmp (s.signature, NLM32_POWERPC_SIGNATURE, sizeof s.signature) != 0
83 || H_GET_32 (abfd, s.headerVersion) != NLM32_POWERPC_HEADER_VERSION)
89 /* Write out the prefix. */
92 nlm_powerpc_write_prefix (abfd)
95 struct nlm32_powerpc_external_prefix_header s;
97 memset (&s, 0, sizeof s);
98 memcpy (s.signature, NLM32_POWERPC_SIGNATURE, sizeof s.signature);
99 H_PUT_32 (abfd, NLM32_POWERPC_HEADER_VERSION, s.headerVersion);
100 H_PUT_32 (abfd, 0, s.origins);
102 /* FIXME: What should we do about the date? */
104 if (bfd_bwrite ((PTR) &s, (bfd_size_type) sizeof s, abfd) != sizeof s)
110 #endif /* OLDFORMAT */
114 /* There is only one type of reloc in a PowerPC NLM. */
116 static reloc_howto_type nlm_powerpc_howto =
119 2, /* size (0 = byte, 1 = short, 2 = long) */
121 false, /* pc_relative */
123 complain_overflow_bitfield, /* complain_on_overflow */
124 0, /* special_function */
126 true, /* partial_inplace */
127 0xffffffff, /* src_mask */
128 0xffffffff, /* dst_mask */
129 false); /* pcrel_offset */
131 /* Read a PowerPC NLM reloc. */
134 nlm_powerpc_read_reloc (abfd, sym, secp, rel)
136 nlmNAME(symbol_type) *sym;
144 if (bfd_bread (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
147 val = bfd_get_32 (abfd, temp);
149 /* The value is a word offset into either the code or data segment.
150 This is the location which needs to be adjusted.
152 The high bit is 0 if the value is an offset into the data
153 segment, or 1 if the value is an offset into the text segment.
155 If this is a relocation fixup rather than an imported symbol (the
156 sym argument is NULL), then the second most significant bit is 0
157 if the address of the data segment should be added to the
158 location addressed by the value, or 1 if the address of the text
159 segment should be added.
161 If this is an imported symbol, the second most significant bit is
162 not used and must be 0. */
164 if ((val & NLM_HIBIT) == 0)
165 name = NLM_INITIALIZED_DATA_NAME;
168 name = NLM_CODE_NAME;
171 *secp = bfd_get_section_by_name (abfd, name);
175 if ((val & (NLM_HIBIT >> 1)) == 0)
176 name = NLM_INITIALIZED_DATA_NAME;
179 name = NLM_CODE_NAME;
180 val &=~ (NLM_HIBIT >> 1);
182 rel->sym_ptr_ptr = bfd_get_section_by_name (abfd, name)->symbol_ptr_ptr;
185 rel->howto = &nlm_powerpc_howto;
187 rel->address = val << 2;
193 #else /* OLDFORMAT */
195 /* This reloc handling is only applicable to the old format. */
197 /* How to process the various reloc types. PowerPC NLMs use XCOFF
198 reloc types, and I have just copied the XCOFF reloc table here. */
200 static reloc_howto_type nlm_powerpc_howto_table[] =
202 /* Standard 32 bit relocation. */
205 2, /* size (0 = byte, 1 = short, 2 = long) */
207 false, /* pc_relative */
209 complain_overflow_bitfield, /* complain_on_overflow */
210 0, /* special_function */
212 true, /* partial_inplace */
213 0xffffffff, /* src_mask */
214 0xffffffff, /* dst_mask */
215 false), /* pcrel_offset */
217 /* 32 bit relocation, but store negative value. */
220 -2, /* size (0 = byte, 1 = short, 2 = long) */
222 false, /* pc_relative */
224 complain_overflow_bitfield, /* complain_on_overflow */
225 0, /* special_function */
227 true, /* partial_inplace */
228 0xffffffff, /* src_mask */
229 0xffffffff, /* dst_mask */
230 false), /* pcrel_offset */
232 /* 32 bit PC relative relocation. */
235 2, /* size (0 = byte, 1 = short, 2 = long) */
237 true, /* pc_relative */
239 complain_overflow_signed, /* complain_on_overflow */
240 0, /* special_function */
242 true, /* partial_inplace */
243 0xffffffff, /* src_mask */
244 0xffffffff, /* dst_mask */
245 false), /* pcrel_offset */
247 /* 16 bit TOC relative relocation. */
250 1, /* size (0 = byte, 1 = short, 2 = long) */
252 false, /* pc_relative */
254 complain_overflow_signed, /* complain_on_overflow */
255 0, /* special_function */
257 true, /* partial_inplace */
258 0xffff, /* src_mask */
259 0xffff, /* dst_mask */
260 false), /* pcrel_offset */
262 /* I don't really know what this is. */
265 2, /* size (0 = byte, 1 = short, 2 = long) */
267 false, /* pc_relative */
269 complain_overflow_bitfield, /* complain_on_overflow */
270 0, /* special_function */
272 true, /* partial_inplace */
273 0xffffffff, /* src_mask */
274 0xffffffff, /* dst_mask */
275 false), /* pcrel_offset */
277 /* External TOC relative symbol. */
280 2, /* size (0 = byte, 1 = short, 2 = long) */
282 false, /* pc_relative */
284 complain_overflow_bitfield, /* complain_on_overflow */
285 0, /* special_function */
287 true, /* partial_inplace */
288 0xffff, /* src_mask */
289 0xffff, /* dst_mask */
290 false), /* pcrel_offset */
292 /* Local TOC relative symbol. */
295 2, /* size (0 = byte, 1 = short, 2 = long) */
297 false, /* pc_relative */
299 complain_overflow_bitfield, /* complain_on_overflow */
300 0, /* special_function */
302 true, /* partial_inplace */
303 0xffff, /* src_mask */
304 0xffff, /* dst_mask */
305 false), /* pcrel_offset */
309 /* Non modifiable absolute branch. */
312 2, /* size (0 = byte, 1 = short, 2 = long) */
314 false, /* pc_relative */
316 complain_overflow_bitfield, /* complain_on_overflow */
317 0, /* special_function */
319 true, /* partial_inplace */
320 0x3fffffc, /* src_mask */
321 0x3fffffc, /* dst_mask */
322 false), /* pcrel_offset */
326 /* Non modifiable relative branch. */
327 HOWTO (0xa, /* type */
329 2, /* size (0 = byte, 1 = short, 2 = long) */
331 true, /* pc_relative */
333 complain_overflow_signed, /* complain_on_overflow */
334 0, /* special_function */
336 true, /* partial_inplace */
337 0x3fffffc, /* src_mask */
338 0x3fffffc, /* dst_mask */
339 false), /* pcrel_offset */
344 HOWTO (0xc, /* type */
346 2, /* size (0 = byte, 1 = short, 2 = long) */
348 false, /* pc_relative */
350 complain_overflow_bitfield, /* complain_on_overflow */
351 0, /* special_function */
353 true, /* partial_inplace */
354 0xffff, /* src_mask */
355 0xffff, /* dst_mask */
356 false), /* pcrel_offset */
359 HOWTO (0xd, /* type */
361 2, /* size (0 = byte, 1 = short, 2 = long) */
363 false, /* pc_relative */
365 complain_overflow_bitfield, /* complain_on_overflow */
366 0, /* special_function */
368 true, /* partial_inplace */
369 0xffff, /* src_mask */
370 0xffff, /* dst_mask */
371 false), /* pcrel_offset */
375 /* Non-relocating reference. */
376 HOWTO (0xf, /* type */
378 2, /* size (0 = byte, 1 = short, 2 = long) */
380 false, /* pc_relative */
382 complain_overflow_bitfield, /* complain_on_overflow */
383 0, /* special_function */
385 false, /* partial_inplace */
388 false), /* pcrel_offset */
393 /* TOC relative indirect load. */
394 HOWTO (0x12, /* type */
396 2, /* size (0 = byte, 1 = short, 2 = long) */
398 false, /* pc_relative */
400 complain_overflow_bitfield, /* complain_on_overflow */
401 0, /* special_function */
403 true, /* partial_inplace */
404 0xffff, /* src_mask */
405 0xffff, /* dst_mask */
406 false), /* pcrel_offset */
408 /* TOC relative load address. */
409 HOWTO (0x13, /* type */
411 2, /* size (0 = byte, 1 = short, 2 = long) */
413 false, /* pc_relative */
415 complain_overflow_bitfield, /* complain_on_overflow */
416 0, /* special_function */
418 true, /* partial_inplace */
419 0xffff, /* src_mask */
420 0xffff, /* dst_mask */
421 false), /* pcrel_offset */
423 /* Modifiable relative branch. */
424 HOWTO (0x14, /* type */
426 2, /* size (0 = byte, 1 = short, 2 = long) */
428 false, /* pc_relative */
430 complain_overflow_bitfield, /* complain_on_overflow */
431 0, /* special_function */
432 "R_RRTBI", /* name */
433 true, /* partial_inplace */
434 0xffffffff, /* src_mask */
435 0xffffffff, /* dst_mask */
436 false), /* pcrel_offset */
438 /* Modifiable absolute branch. */
439 HOWTO (0x15, /* type */
441 2, /* size (0 = byte, 1 = short, 2 = long) */
443 false, /* pc_relative */
445 complain_overflow_bitfield, /* complain_on_overflow */
446 0, /* special_function */
447 "R_RRTBA", /* name */
448 true, /* partial_inplace */
449 0xffffffff, /* src_mask */
450 0xffffffff, /* dst_mask */
451 false), /* pcrel_offset */
453 /* Modifiable call absolute indirect. */
454 HOWTO (0x16, /* type */
456 2, /* size (0 = byte, 1 = short, 2 = long) */
458 false, /* pc_relative */
460 complain_overflow_bitfield, /* complain_on_overflow */
461 0, /* special_function */
463 true, /* partial_inplace */
464 0xffff, /* src_mask */
465 0xffff, /* dst_mask */
466 false), /* pcrel_offset */
468 /* Modifiable call relative. */
469 HOWTO (0x17, /* type */
471 2, /* size (0 = byte, 1 = short, 2 = long) */
473 false, /* pc_relative */
475 complain_overflow_bitfield, /* complain_on_overflow */
476 0, /* special_function */
478 true, /* partial_inplace */
479 0xffff, /* src_mask */
480 0xffff, /* dst_mask */
481 false), /* pcrel_offset */
483 /* Modifiable branch absolute. */
484 HOWTO (0x18, /* type */
486 2, /* size (0 = byte, 1 = short, 2 = long) */
488 false, /* pc_relative */
490 complain_overflow_bitfield, /* complain_on_overflow */
491 0, /* special_function */
493 true, /* partial_inplace */
494 0xffff, /* src_mask */
495 0xffff, /* dst_mask */
496 false), /* pcrel_offset */
498 /* Modifiable branch absolute. */
499 HOWTO (0x19, /* type */
501 2, /* size (0 = byte, 1 = short, 2 = long) */
503 false, /* pc_relative */
505 complain_overflow_bitfield, /* complain_on_overflow */
506 0, /* special_function */
508 true, /* partial_inplace */
509 0xffff, /* src_mask */
510 0xffff, /* dst_mask */
511 false), /* pcrel_offset */
513 /* Modifiable branch relative. */
514 HOWTO (0x1a, /* type */
516 2, /* size (0 = byte, 1 = short, 2 = long) */
518 false, /* pc_relative */
520 complain_overflow_signed, /* complain_on_overflow */
521 0, /* special_function */
523 true, /* partial_inplace */
524 0xffff, /* src_mask */
525 0xffff, /* dst_mask */
526 false), /* pcrel_offset */
528 /* Modifiable branch absolute. */
529 HOWTO (0x1b, /* type */
531 2, /* size (0 = byte, 1 = short, 2 = long) */
533 false, /* pc_relative */
535 complain_overflow_bitfield, /* complain_on_overflow */
536 0, /* special_function */
538 true, /* partial_inplace */
539 0xffff, /* src_mask */
540 0xffff, /* dst_mask */
541 false) /* pcrel_offset */
544 #define HOWTO_COUNT (sizeof nlm_powerpc_howto_table \
545 / sizeof nlm_powerpc_howto_table[0])
547 /* Read a PowerPC NLM reloc. */
550 nlm_powerpc_read_reloc (abfd, sym, secp, rel)
552 nlmNAME(symbol_type) *sym;
556 struct nlm32_powerpc_external_reloc ext;
558 unsigned long l_symndx;
561 asection *code_sec, *data_sec, *bss_sec;
563 /* Read the reloc from the file. */
564 if (bfd_bread (&ext, (bfd_size_type) sizeof ext, abfd) != sizeof ext)
567 /* Swap in the fields. */
568 l_vaddr = H_GET_32 (abfd, ext.l_vaddr);
569 l_symndx = H_GET_32 (abfd, ext.l_symndx);
570 l_rtype = H_GET_16 (abfd, ext.l_rtype);
571 l_rsecnm = H_GET_16 (abfd, ext.l_rsecnm);
573 /* Get the sections now, for convenience. */
574 code_sec = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
575 data_sec = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
576 bss_sec = bfd_get_section_by_name (abfd, NLM_UNINITIALIZED_DATA_NAME);
578 /* Work out the arelent fields. */
581 /* This is an import. sym_ptr_ptr is filled in by
582 nlm_canonicalize_reloc. */
583 rel->sym_ptr_ptr = NULL;
591 else if (l_symndx == 1)
593 else if (l_symndx == 2)
597 bfd_set_error (bfd_error_bad_value);
601 rel->sym_ptr_ptr = sec->symbol_ptr_ptr;
606 BFD_ASSERT ((l_rtype & 0xff) < HOWTO_COUNT);
608 rel->howto = nlm_powerpc_howto_table + (l_rtype & 0xff);
610 BFD_ASSERT (rel->howto->name != NULL
611 && ((l_rtype & 0x8000) != 0
612 ? (rel->howto->complain_on_overflow
613 == complain_overflow_signed)
614 : (rel->howto->complain_on_overflow
615 == complain_overflow_bitfield))
616 && ((l_rtype >> 8) & 0x1f) == rel->howto->bitsize - 1);
620 else if (l_rsecnm == 1)
623 l_vaddr -= bfd_section_size (abfd, code_sec);
627 bfd_set_error (bfd_error_bad_value);
631 rel->address = l_vaddr;
636 #endif /* OLDFORMAT */
638 /* Mangle PowerPC NLM relocs for output. */
641 nlm_powerpc_mangle_relocs (abfd, sec, data, offset, count)
642 bfd *abfd ATTRIBUTE_UNUSED;
643 asection *sec ATTRIBUTE_UNUSED;
644 PTR data ATTRIBUTE_UNUSED;
645 bfd_vma offset ATTRIBUTE_UNUSED;
646 bfd_size_type count ATTRIBUTE_UNUSED;
651 /* Read a PowerPC NLM import record */
654 nlm_powerpc_read_import (abfd, sym)
656 nlmNAME(symbol_type) *sym;
658 struct nlm_relent *nlm_relocs; /* relocation records for symbol */
659 bfd_size_type rcount; /* number of relocs */
660 bfd_byte temp[NLM_TARGET_LONG_SIZE]; /* temporary 32-bit value */
661 unsigned char symlength; /* length of symbol name */
664 if (bfd_bread ((PTR) &symlength, (bfd_size_type) sizeof (symlength), abfd)
665 != sizeof (symlength))
667 sym -> symbol.the_bfd = abfd;
668 name = bfd_alloc (abfd, (bfd_size_type) symlength + 1);
671 if (bfd_bread (name, (bfd_size_type) symlength, abfd) != symlength)
673 name[symlength] = '\0';
674 sym -> symbol.name = name;
675 sym -> symbol.flags = 0;
676 sym -> symbol.value = 0;
677 sym -> symbol.section = bfd_und_section_ptr;
678 if (bfd_bread ((PTR) temp, (bfd_size_type) sizeof (temp), abfd)
681 rcount = H_GET_32 (abfd, temp);
682 nlm_relocs = ((struct nlm_relent *)
683 bfd_alloc (abfd, rcount * sizeof (struct nlm_relent)));
684 if (nlm_relocs == (struct nlm_relent *) NULL)
686 sym -> relocs = nlm_relocs;
688 while (sym -> rcnt < rcount)
692 if (nlm_powerpc_read_reloc (abfd, sym, §ion,
693 &nlm_relocs -> reloc)
696 nlm_relocs -> section = section;
705 /* Write a PowerPC NLM reloc. */
708 nlm_powerpc_write_import (abfd, sec, rel)
717 /* PowerPC NetWare only supports one kind of reloc. */
719 || rel->howto == NULL
720 || rel->howto->rightshift != 0
721 || rel->howto->size != 2
722 || rel->howto->bitsize != 32
723 || rel->howto->bitpos != 0
724 || rel->howto->pc_relative
725 || (rel->howto->src_mask != 0xffffffff && rel->addend != 0)
726 || rel->howto->dst_mask != 0xffffffff)
728 bfd_set_error (bfd_error_invalid_operation);
732 sym = *rel->sym_ptr_ptr;
734 /* The value we write out is the offset into the appropriate
735 segment, rightshifted by two. This offset is the section vma,
736 adjusted by the vma of the lowest section in that segment, plus
737 the address of the relocation. */
738 val = bfd_get_section_vma (abfd, sec) + rel->address;
741 bfd_set_error (bfd_error_bad_value);
746 /* The high bit is 0 if the reloc is in the data section, or 1 if
747 the reloc is in the code section. */
748 if (bfd_get_section_flags (abfd, sec) & SEC_DATA)
749 val -= nlm_get_data_low (abfd);
752 val -= nlm_get_text_low (abfd);
756 if (! bfd_is_und_section (bfd_get_section (sym)))
758 /* This is an internal relocation fixup. The second most
759 significant bit is 0 if this is a reloc against the data
760 segment, or 1 if it is a reloc against the text segment. */
761 if (bfd_get_section_flags (abfd, bfd_get_section (sym)) & SEC_CODE)
762 val |= NLM_HIBIT >> 1;
765 bfd_put_32 (abfd, val, temp);
766 if (bfd_bwrite (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
772 #else /* OLDFORMAT */
774 /* This is used for the reloc handling in the old format. */
776 /* Write a PowerPC NLM reloc. */
779 nlm_powerpc_write_reloc (abfd, sec, rel, indx)
785 struct nlm32_powerpc_external_reloc ext;
786 asection *code_sec, *data_sec, *bss_sec;
789 unsigned long l_symndx;
792 reloc_howto_type *howto;
793 bfd_size_type address;
795 /* Get the sections now, for convenience. */
796 code_sec = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
797 data_sec = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
798 bss_sec = bfd_get_section_by_name (abfd, NLM_UNINITIALIZED_DATA_NAME);
800 sym = *rel->sym_ptr_ptr;
801 symsec = bfd_get_section (sym);
804 BFD_ASSERT (bfd_is_und_section (symsec));
809 if (symsec == code_sec)
811 else if (symsec == data_sec)
813 else if (symsec == bss_sec)
817 bfd_set_error (bfd_error_bad_value);
822 H_PUT_32 (abfd, l_symndx, ext.l_symndx);
824 for (howto = nlm_powerpc_howto_table;
825 howto < nlm_powerpc_howto_table + HOWTO_COUNT;
828 if (howto->rightshift == rel->howto->rightshift
829 && howto->size == rel->howto->size
830 && howto->bitsize == rel->howto->bitsize
831 && howto->pc_relative == rel->howto->pc_relative
832 && howto->bitpos == rel->howto->bitpos
833 && (howto->partial_inplace == rel->howto->partial_inplace
834 || (! rel->howto->partial_inplace
835 && rel->addend == 0))
836 && (howto->src_mask == rel->howto->src_mask
837 || (rel->howto->src_mask == 0
838 && rel->addend == 0))
839 && howto->dst_mask == rel->howto->dst_mask
840 && howto->pcrel_offset == rel->howto->pcrel_offset)
843 if (howto >= nlm_powerpc_howto_table + HOWTO_COUNT)
845 bfd_set_error (bfd_error_bad_value);
849 l_rtype = howto->type;
850 if (howto->complain_on_overflow == complain_overflow_signed)
852 l_rtype |= (howto->bitsize - 1) << 8;
853 H_PUT_16 (abfd, l_rtype, ext.l_rtype);
855 address = rel->address;
859 else if (sec == data_sec)
862 address += bfd_section_size (abfd, code_sec);
866 bfd_set_error (bfd_error_bad_value);
870 H_PUT_16 (abfd, l_rsecnm, ext.l_rsecnm);
871 H_PUT_32 (abfd, address, ext.l_vaddr);
873 if (bfd_bwrite (&ext, (bfd_size_type) sizeof ext, abfd) != sizeof ext)
879 /* Write a PowerPC NLM import. */
882 nlm_powerpc_write_import (abfd, sec, rel)
887 return nlm_powerpc_write_reloc (abfd, sec, rel, -1);
890 #endif /* OLDFORMAT */
892 /* Write a PowerPC NLM external symbol. This routine keeps a static
893 count of the symbol index. FIXME: I don't know if this is
894 necessary, and the index never gets reset. */
897 nlm_powerpc_write_external (abfd, count, sym, relocs)
901 struct reloc_and_sec *relocs;
905 unsigned char temp[NLM_TARGET_LONG_SIZE];
910 len = strlen (sym->name);
911 if ((bfd_bwrite (&len, (bfd_size_type) sizeof (bfd_byte), abfd)
912 != sizeof (bfd_byte))
913 || bfd_bwrite (sym->name, (bfd_size_type) len, abfd) != len)
916 bfd_put_32 (abfd, count, temp);
917 if (bfd_bwrite (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
920 for (i = 0; i < count; i++)
923 if (! nlm_powerpc_write_import (abfd, relocs[i].sec, relocs[i].rel))
926 if (! nlm_powerpc_write_reloc (abfd, relocs[i].sec,
927 relocs[i].rel, indx))
941 /* PowerPC Netware uses a word offset, not a byte offset, for public
944 /* Set the section for a public symbol. */
947 nlm_powerpc_set_public_section (abfd, sym)
949 nlmNAME(symbol_type) *sym;
951 if (sym->symbol.value & NLM_HIBIT)
953 sym->symbol.value &= ~NLM_HIBIT;
954 sym->symbol.flags |= BSF_FUNCTION;
955 sym->symbol.section =
956 bfd_get_section_by_name (abfd, NLM_CODE_NAME);
960 sym->symbol.section =
961 bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
964 sym->symbol.value <<= 2;
969 /* Get the offset to write out for a public symbol. */
972 nlm_powerpc_get_public_offset (abfd, sym)
979 offset = bfd_asymbol_value (sym);
980 sec = bfd_get_section (sym);
981 if (sec->flags & SEC_CODE)
983 offset -= nlm_get_text_low (abfd);
986 else if (sec->flags & (SEC_DATA | SEC_ALLOC))
988 /* SEC_ALLOC is for the .bss section. */
989 offset -= nlm_get_data_low (abfd);
993 /* We can't handle an exported symbol that is not in the code or
995 bfd_set_error (bfd_error_invalid_operation);
996 /* FIXME: No way to return error. */
1003 #endif /* ! defined (OLDFORMAT) */
1005 #include "nlmswap.h"
1007 static const struct nlm_backend_data nlm32_powerpc_backend =
1009 "NetWare PowerPC Module \032",
1010 sizeof (Nlm32_powerpc_External_Fixed_Header),
1012 0, /* optional_prefix_size */
1014 sizeof (struct nlm32_powerpc_external_prefix_header),
1020 0, /* backend_object_p */
1021 0, /* write_prefix */
1023 nlm_powerpc_backend_object_p,
1024 nlm_powerpc_write_prefix,
1026 nlm_powerpc_read_reloc,
1027 nlm_powerpc_mangle_relocs,
1028 nlm_powerpc_read_import,
1029 nlm_powerpc_write_import,
1031 nlm_powerpc_set_public_section,
1032 nlm_powerpc_get_public_offset,
1034 0, /* set_public_section */
1035 0, /* get_public_offset */
1037 nlm_swap_fixed_header_in,
1038 nlm_swap_fixed_header_out,
1039 nlm_powerpc_write_external,
1040 0, /* write_export */
1043 #define TARGET_BIG_NAME "nlm32-powerpc"
1044 #define TARGET_BIG_SYM nlmNAME(powerpc_vec)
1045 #define TARGET_BACKEND_DATA &nlm32_powerpc_backend
1047 #include "nlm-target.h"