1 /* Generic ECOFF (Extended-COFF) routines.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
3 Original version by Per Bothner.
4 Full support added by Ian Lance Taylor, ian@cygnus.com.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
27 #include "aout/ranlib.h"
28 #include "aout/stab_gnu.h"
30 /* FIXME: We need the definitions of N_SET[ADTB], but aout64.h defines
31 some other stuff which we don't want and which conflicts with stuff
34 #include "aout/aout64.h"
37 #undef obj_sym_filepos
39 #include "coff/internal.h"
41 #include "coff/symconst.h"
42 #include "coff/ecoff.h"
46 /* Prototypes for static functions. */
48 static int ecoff_get_magic PARAMS ((bfd *abfd));
49 static long ecoff_sec_to_styp_flags PARAMS ((const char *name,
51 static boolean ecoff_slurp_symbolic_header PARAMS ((bfd *abfd));
52 static boolean ecoff_set_symbol_info PARAMS ((bfd *abfd, SYMR *ecoff_sym,
53 asymbol *asym, int ext,
54 asymbol **indirect_ptr_ptr));
55 static void ecoff_emit_aggregate PARAMS ((bfd *abfd, FDR *fdr,
57 RNDXR *rndx, long isym,
59 static char *ecoff_type_to_string PARAMS ((bfd *abfd, FDR *fdr,
61 static boolean ecoff_slurp_reloc_table PARAMS ((bfd *abfd, asection *section,
63 static void ecoff_compute_section_file_positions PARAMS ((bfd *abfd));
64 static bfd_size_type ecoff_compute_reloc_file_positions PARAMS ((bfd *abfd));
65 static boolean ecoff_get_extr PARAMS ((asymbol *, EXTR *));
66 static void ecoff_set_index PARAMS ((asymbol *, bfd_size_type));
67 static unsigned int ecoff_armap_hash PARAMS ((CONST char *s,
72 /* This stuff is somewhat copied from coffcode.h. */
74 static asection bfd_debug_section = { "*DEBUG*" };
76 /* Create an ECOFF object. */
79 _bfd_ecoff_mkobject (abfd)
82 abfd->tdata.ecoff_obj_data = ((struct ecoff_tdata *)
83 bfd_zalloc (abfd, sizeof (ecoff_data_type)));
84 if (abfd->tdata.ecoff_obj_data == NULL)
86 bfd_set_error (bfd_error_no_memory);
93 /* This is a hook called by coff_real_object_p to create any backend
94 specific information. */
97 _bfd_ecoff_mkobject_hook (abfd, filehdr, aouthdr)
102 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
103 struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr;
104 ecoff_data_type *ecoff;
106 if (_bfd_ecoff_mkobject (abfd) == false)
109 ecoff = ecoff_data (abfd);
111 ecoff->sym_filepos = internal_f->f_symptr;
113 if (internal_a != (struct internal_aouthdr *) NULL)
117 ecoff->text_start = internal_a->text_start;
118 ecoff->text_end = internal_a->text_start + internal_a->tsize;
119 ecoff->gp = internal_a->gp_value;
120 ecoff->gprmask = internal_a->gprmask;
121 for (i = 0; i < 4; i++)
122 ecoff->cprmask[i] = internal_a->cprmask[i];
123 ecoff->fprmask = internal_a->fprmask;
124 if (internal_a->magic == ECOFF_AOUT_ZMAGIC)
125 abfd->flags |= D_PAGED;
127 abfd->flags &=~ D_PAGED;
130 /* It turns out that no special action is required by the MIPS or
131 Alpha ECOFF backends. They have different information in the
132 a.out header, but we just copy it all (e.g., gprmask, cprmask and
133 fprmask) and let the swapping routines ensure that only relevant
134 information is written out. */
139 /* This is a hook needed by SCO COFF, but we have nothing to do. */
143 _bfd_ecoff_make_section_hook (abfd, name)
147 return (asection *) NULL;
150 /* Initialize a new section. */
153 _bfd_ecoff_new_section_hook (abfd, section)
157 /* For the .pdata section, which has a special meaning on the Alpha,
158 we set the alignment power to 3. We correct this later in
159 ecoff_compute_section_file_positions. We do this hackery because
160 we need to know the exact unaligned size of the .pdata section in
161 order to set the lnnoptr field correctly. For every other
162 section we use an alignment power of 4; this could be made target
163 dependent by adding a field to ecoff_backend_data, but 4 appears
164 to be correct for both the MIPS and the Alpha. */
165 if (strcmp (section->name, _PDATA) == 0)
166 section->alignment_power = 3;
168 section->alignment_power = 4;
170 if (strcmp (section->name, _TEXT) == 0)
171 section->flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC;
172 else if (strcmp (section->name, _DATA) == 0
173 || strcmp (section->name, _SDATA) == 0)
174 section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
175 else if (strcmp (section->name, _RDATA) == 0
176 || strcmp (section->name, _LIT8) == 0
177 || strcmp (section->name, _LIT4) == 0)
178 section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY;
179 else if (strcmp (section->name, _BSS) == 0
180 || strcmp (section->name, _SBSS) == 0)
181 section->flags |= SEC_ALLOC;
182 else if (strcmp (section->name, _LIB) == 0)
184 /* An Irix 4 shared libary. */
185 section->flags |= SEC_COFF_SHARED_LIBRARY;
188 /* Probably any other section name is SEC_NEVER_LOAD, but I'm
189 uncertain about .init on some systems and I don't know how shared
195 /* Determine the machine architecture and type. This is called from
196 the generic COFF routines. It is the inverse of ecoff_get_magic,
197 below. This could be an ECOFF backend routine, with one version
198 for each target, but there aren't all that many ECOFF targets. */
201 _bfd_ecoff_set_arch_mach_hook (abfd, filehdr)
205 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
206 enum bfd_architecture arch;
209 switch (internal_f->f_magic)
212 case MIPS_MAGIC_LITTLE:
214 arch = bfd_arch_mips;
218 case MIPS_MAGIC_LITTLE2:
219 case MIPS_MAGIC_BIG2:
220 /* MIPS ISA level 2: the r6000 */
221 arch = bfd_arch_mips;
225 case MIPS_MAGIC_LITTLE3:
226 case MIPS_MAGIC_BIG3:
227 /* MIPS ISA level 3: the r4000 */
228 arch = bfd_arch_mips;
233 arch = bfd_arch_alpha;
238 arch = bfd_arch_obscure;
243 return bfd_default_set_arch_mach (abfd, arch, mach);
246 /* Get the magic number to use based on the architecture and machine.
247 This is the inverse of _bfd_ecoff_set_arch_mach_hook, above. */
250 ecoff_get_magic (abfd)
255 switch (bfd_get_arch (abfd))
258 switch (bfd_get_mach (abfd))
263 big = MIPS_MAGIC_BIG;
264 little = MIPS_MAGIC_LITTLE;
268 big = MIPS_MAGIC_BIG2;
269 little = MIPS_MAGIC_LITTLE2;
273 big = MIPS_MAGIC_BIG3;
274 little = MIPS_MAGIC_LITTLE3;
278 return abfd->xvec->byteorder_big_p ? big : little;
289 /* Get the section s_flags to use for a section. */
292 ecoff_sec_to_styp_flags (name, flags)
300 if (strcmp (name, _TEXT) == 0)
302 else if (strcmp (name, _DATA) == 0)
304 else if (strcmp (name, _SDATA) == 0)
306 else if (strcmp (name, _RDATA) == 0)
308 else if (strcmp (name, _LITA) == 0)
310 else if (strcmp (name, _LIT8) == 0)
312 else if (strcmp (name, _LIT4) == 0)
314 else if (strcmp (name, _BSS) == 0)
316 else if (strcmp (name, _SBSS) == 0)
318 else if (strcmp (name, _INIT) == 0)
319 styp = STYP_ECOFF_INIT;
320 else if (strcmp (name, _FINI) == 0)
321 styp = STYP_ECOFF_FINI;
322 else if (strcmp (name, _PDATA) == 0)
324 else if (strcmp (name, _XDATA) == 0)
326 else if (strcmp (name, _LIB) == 0)
327 styp = STYP_ECOFF_LIB;
328 else if (flags & SEC_CODE)
330 else if (flags & SEC_DATA)
332 else if (flags & SEC_READONLY)
334 else if (flags & SEC_LOAD)
339 if (flags & SEC_NEVER_LOAD)
345 /* Get the BFD flags to use for a section. */
349 _bfd_ecoff_styp_to_sec_flags (abfd, hdr, name)
354 struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
355 long styp_flags = internal_s->s_flags;
356 flagword sec_flags=0;
358 if (styp_flags & STYP_NOLOAD)
359 sec_flags |= SEC_NEVER_LOAD;
361 /* For 386 COFF, at least, an unloadable text or data section is
362 actually a shared library section. */
363 if ((styp_flags & STYP_TEXT)
364 || (styp_flags & STYP_ECOFF_INIT)
365 || (styp_flags & STYP_ECOFF_FINI))
367 if (sec_flags & SEC_NEVER_LOAD)
368 sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY;
370 sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC;
372 else if ((styp_flags & STYP_DATA)
373 || (styp_flags & STYP_RDATA)
374 || (styp_flags & STYP_SDATA)
375 || styp_flags == STYP_PDATA
376 || styp_flags == STYP_XDATA)
378 if (sec_flags & SEC_NEVER_LOAD)
379 sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY;
381 sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
382 if ((styp_flags & STYP_RDATA)
383 || styp_flags == STYP_PDATA)
384 sec_flags |= SEC_READONLY;
386 else if ((styp_flags & STYP_BSS)
387 || (styp_flags & STYP_SBSS))
389 sec_flags |= SEC_ALLOC;
391 else if ((styp_flags & STYP_INFO) || styp_flags == STYP_COMMENT)
393 sec_flags |= SEC_NEVER_LOAD;
395 else if ((styp_flags & STYP_LITA)
396 || (styp_flags & STYP_LIT8)
397 || (styp_flags & STYP_LIT4))
399 sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY;
401 else if (styp_flags & STYP_ECOFF_LIB)
403 sec_flags |= SEC_COFF_SHARED_LIBRARY;
407 sec_flags |= SEC_ALLOC | SEC_LOAD;
413 /* Read in the symbolic header for an ECOFF object file. */
416 ecoff_slurp_symbolic_header (abfd)
419 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
420 bfd_size_type external_hdr_size;
422 HDRR *internal_symhdr;
424 /* See if we've already read it in. */
425 if (ecoff_data (abfd)->debug_info.symbolic_header.magic ==
426 backend->debug_swap.sym_magic)
429 /* See whether there is a symbolic header. */
430 if (ecoff_data (abfd)->sym_filepos == 0)
432 bfd_get_symcount (abfd) = 0;
436 /* At this point bfd_get_symcount (abfd) holds the number of symbols
437 as read from the file header, but on ECOFF this is always the
438 size of the symbolic information header. It would be cleaner to
439 handle this when we first read the file in coffgen.c. */
440 external_hdr_size = backend->debug_swap.external_hdr_size;
441 if (bfd_get_symcount (abfd) != external_hdr_size)
443 bfd_set_error (bfd_error_bad_value);
447 /* Read the symbolic information header. */
448 raw = (PTR) malloc ((size_t) external_hdr_size);
451 bfd_set_error (bfd_error_no_memory);
455 if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) == -1
456 || (bfd_read (raw, external_hdr_size, 1, abfd)
457 != external_hdr_size))
459 internal_symhdr = &ecoff_data (abfd)->debug_info.symbolic_header;
460 (*backend->debug_swap.swap_hdr_in) (abfd, raw, internal_symhdr);
462 if (internal_symhdr->magic != backend->debug_swap.sym_magic)
464 bfd_set_error (bfd_error_bad_value);
468 /* Now we can get the correct number of symbols. */
469 bfd_get_symcount (abfd) = (internal_symhdr->isymMax
470 + internal_symhdr->iextMax);
481 /* Read in and swap the important symbolic information for an ECOFF
482 object file. This is called by gdb via the read_debug_info entry
483 point in the backend structure. */
487 _bfd_ecoff_slurp_symbolic_info (abfd, ignore, debug)
490 struct ecoff_debug_info *debug;
492 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
493 HDRR *internal_symhdr;
494 bfd_size_type raw_base;
495 bfd_size_type raw_size;
497 bfd_size_type external_fdr_size;
501 bfd_size_type raw_end;
502 bfd_size_type cb_end;
504 BFD_ASSERT (debug == &ecoff_data (abfd)->debug_info);
506 /* Check whether we've already gotten it, and whether there's any to
508 if (ecoff_data (abfd)->raw_syments != (PTR) NULL)
510 if (ecoff_data (abfd)->sym_filepos == 0)
512 bfd_get_symcount (abfd) = 0;
516 if (! ecoff_slurp_symbolic_header (abfd))
519 internal_symhdr = &debug->symbolic_header;
521 /* Read all the symbolic information at once. */
522 raw_base = (ecoff_data (abfd)->sym_filepos
523 + backend->debug_swap.external_hdr_size);
525 /* Alpha ecoff makes the determination of raw_size difficult. It has
526 an undocumented debug data section between the symhdr and the first
527 documented section. And the ordering of the sections varies between
528 statically and dynamically linked executables.
529 If bfd supports SEEK_END someday, this code could be simplified. */
533 #define UPDATE_RAW_END(start, count, size) \
534 cb_end = internal_symhdr->start + internal_symhdr->count * (size); \
535 if (cb_end > raw_end) \
538 UPDATE_RAW_END (cbLineOffset, cbLine, sizeof (unsigned char));
539 UPDATE_RAW_END (cbDnOffset, idnMax, backend->debug_swap.external_dnr_size);
540 UPDATE_RAW_END (cbPdOffset, ipdMax, backend->debug_swap.external_pdr_size);
541 UPDATE_RAW_END (cbSymOffset, isymMax, backend->debug_swap.external_sym_size);
542 UPDATE_RAW_END (cbOptOffset, ioptMax, backend->debug_swap.external_opt_size);
543 UPDATE_RAW_END (cbAuxOffset, iauxMax, sizeof (union aux_ext));
544 UPDATE_RAW_END (cbSsOffset, issMax, sizeof (char));
545 UPDATE_RAW_END (cbSsExtOffset, issExtMax, sizeof (char));
546 UPDATE_RAW_END (cbFdOffset, ifdMax, backend->debug_swap.external_fdr_size);
547 UPDATE_RAW_END (cbRfdOffset, crfd, backend->debug_swap.external_rfd_size);
548 UPDATE_RAW_END (cbExtOffset, iextMax, backend->debug_swap.external_ext_size);
550 #undef UPDATE_RAW_END
552 raw_size = raw_end - raw_base;
555 ecoff_data (abfd)->sym_filepos = 0;
558 raw = (PTR) bfd_alloc (abfd, raw_size);
561 bfd_set_error (bfd_error_no_memory);
565 (ecoff_data (abfd)->sym_filepos
566 + backend->debug_swap.external_hdr_size),
568 || bfd_read (raw, raw_size, 1, abfd) != raw_size)
570 bfd_release (abfd, raw);
574 ecoff_data (abfd)->raw_syments = raw;
576 /* Get pointers for the numeric offsets in the HDRR structure. */
577 #define FIX(off1, off2, type) \
578 if (internal_symhdr->off1 == 0) \
579 debug->off2 = (type) NULL; \
581 debug->off2 = (type) ((char *) raw \
582 + internal_symhdr->off1 \
584 FIX (cbLineOffset, line, unsigned char *);
585 FIX (cbDnOffset, external_dnr, PTR);
586 FIX (cbPdOffset, external_pdr, PTR);
587 FIX (cbSymOffset, external_sym, PTR);
588 FIX (cbOptOffset, external_opt, PTR);
589 FIX (cbAuxOffset, external_aux, union aux_ext *);
590 FIX (cbSsOffset, ss, char *);
591 FIX (cbSsExtOffset, ssext, char *);
592 FIX (cbFdOffset, external_fdr, PTR);
593 FIX (cbRfdOffset, external_rfd, PTR);
594 FIX (cbExtOffset, external_ext, PTR);
597 /* I don't want to always swap all the data, because it will just
598 waste time and most programs will never look at it. The only
599 time the linker needs most of the debugging information swapped
600 is when linking big-endian and little-endian MIPS object files
601 together, which is not a common occurrence.
603 We need to look at the fdr to deal with a lot of information in
604 the symbols, so we swap them here. */
605 debug->fdr = (struct fdr *) bfd_alloc (abfd,
606 (internal_symhdr->ifdMax *
607 sizeof (struct fdr)));
608 if (debug->fdr == NULL)
610 bfd_set_error (bfd_error_no_memory);
613 external_fdr_size = backend->debug_swap.external_fdr_size;
614 fdr_ptr = debug->fdr;
615 fraw_src = (char *) debug->external_fdr;
616 fraw_end = fraw_src + internal_symhdr->ifdMax * external_fdr_size;
617 for (; fraw_src < fraw_end; fraw_src += external_fdr_size, fdr_ptr++)
618 (*backend->debug_swap.swap_fdr_in) (abfd, (PTR) fraw_src, fdr_ptr);
623 /* ECOFF symbol table routines. The ECOFF symbol table is described
624 in gcc/mips-tfile.c. */
626 /* ECOFF uses two common sections. One is the usual one, and the
627 other is for small objects. All the small objects are kept
628 together, and then referenced via the gp pointer, which yields
629 faster assembler code. This is what we use for the small common
631 static asection ecoff_scom_section;
632 static asymbol ecoff_scom_symbol;
633 static asymbol *ecoff_scom_symbol_ptr;
635 /* Create an empty symbol. */
638 _bfd_ecoff_make_empty_symbol (abfd)
641 ecoff_symbol_type *new;
643 new = (ecoff_symbol_type *) bfd_alloc (abfd, sizeof (ecoff_symbol_type));
644 if (new == (ecoff_symbol_type *) NULL)
646 bfd_set_error (bfd_error_no_memory);
647 return (asymbol *) NULL;
649 memset ((PTR) new, 0, sizeof *new);
650 new->symbol.section = (asection *) NULL;
651 new->fdr = (FDR *) NULL;
654 new->symbol.the_bfd = abfd;
658 /* Set the BFD flags and section for an ECOFF symbol. */
661 ecoff_set_symbol_info (abfd, ecoff_sym, asym, ext, indirect_ptr_ptr)
666 asymbol **indirect_ptr_ptr;
668 asym->the_bfd = abfd;
669 asym->value = ecoff_sym->value;
670 asym->section = &bfd_debug_section;
673 /* An indirect symbol requires two consecutive stabs symbols. */
674 if (*indirect_ptr_ptr != (asymbol *) NULL)
676 BFD_ASSERT (ECOFF_IS_STAB (ecoff_sym));
678 /* @@ Stuffing pointers into integers is a no-no.
679 We can usually get away with it if the integer is
680 large enough though. */
681 if (sizeof (asym) > sizeof (bfd_vma))
683 (*indirect_ptr_ptr)->value = (bfd_vma) asym;
685 asym->flags = BSF_DEBUGGING;
686 asym->section = bfd_und_section_ptr;
687 *indirect_ptr_ptr = NULL;
691 if (ECOFF_IS_STAB (ecoff_sym)
692 && (ECOFF_UNMARK_STAB (ecoff_sym->index) | N_EXT) == (N_INDR | N_EXT))
694 asym->flags = BSF_DEBUGGING | BSF_INDIRECT;
695 asym->section = bfd_ind_section_ptr;
696 /* Pass this symbol on to the next call to this function. */
697 *indirect_ptr_ptr = asym;
701 /* Most symbol types are just for debugging. */
702 switch (ecoff_sym->st)
711 if (ECOFF_IS_STAB (ecoff_sym))
713 asym->flags = BSF_DEBUGGING;
718 asym->flags = BSF_DEBUGGING;
723 asym->flags = BSF_EXPORT | BSF_GLOBAL;
726 asym->flags = BSF_LOCAL;
727 /* Normally, a local stProc symbol will have a corresponding
728 external symbol. We mark the local symbol as a debugging
729 symbol, in order to prevent nm from printing both out.
730 Similarly, we mark stLabel and stabs symbols as debugging
731 symbols. In both cases, we do want to set the value
732 correctly based on the symbol class. */
733 if (ecoff_sym->st == stProc
734 || ecoff_sym->st == stLabel
735 || ECOFF_IS_STAB (ecoff_sym))
736 asym->flags |= BSF_DEBUGGING;
738 switch (ecoff_sym->sc)
741 /* Used for compiler generated labels. Leave them in the
742 debugging section, and mark them as local. If BSF_DEBUGGING
743 is set, then nm does not display them for some reason. If no
744 flags are set then the linker whines about them. */
745 asym->flags = BSF_LOCAL;
748 asym->section = bfd_make_section_old_way (abfd, ".text");
749 asym->value -= asym->section->vma;
752 asym->section = bfd_make_section_old_way (abfd, ".data");
753 asym->value -= asym->section->vma;
756 asym->section = bfd_make_section_old_way (abfd, ".bss");
757 asym->value -= asym->section->vma;
760 asym->flags = BSF_DEBUGGING;
763 asym->section = bfd_abs_section_ptr;
766 asym->section = bfd_und_section_ptr;
776 asym->flags = BSF_DEBUGGING;
779 asym->section = bfd_make_section_old_way (abfd, ".sdata");
780 asym->value -= asym->section->vma;
783 asym->section = bfd_make_section_old_way (abfd, ".sbss");
784 asym->value -= asym->section->vma;
787 asym->section = bfd_make_section_old_way (abfd, ".rdata");
788 asym->value -= asym->section->vma;
791 asym->flags = BSF_DEBUGGING;
794 if (asym->value > ecoff_data (abfd)->gp_size)
796 asym->section = bfd_com_section_ptr;
802 if (ecoff_scom_section.name == NULL)
804 /* Initialize the small common section. */
805 ecoff_scom_section.name = SCOMMON;
806 ecoff_scom_section.flags = SEC_IS_COMMON;
807 ecoff_scom_section.output_section = &ecoff_scom_section;
808 ecoff_scom_section.symbol = &ecoff_scom_symbol;
809 ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr;
810 ecoff_scom_symbol.name = SCOMMON;
811 ecoff_scom_symbol.flags = BSF_SECTION_SYM;
812 ecoff_scom_symbol.section = &ecoff_scom_section;
813 ecoff_scom_symbol_ptr = &ecoff_scom_symbol;
815 asym->section = &ecoff_scom_section;
820 asym->flags = BSF_DEBUGGING;
823 asym->section = bfd_und_section_ptr;
828 asym->section = bfd_make_section_old_way (abfd, ".init");
829 asym->value -= asym->section->vma;
834 asym->flags = BSF_DEBUGGING;
837 asym->section = bfd_make_section_old_way (abfd, ".fini");
838 asym->value -= asym->section->vma;
844 /* Look for special constructors symbols and make relocation entries
845 in a special construction section. These are produced by the
846 -fgnu-linker argument to g++. */
847 if (ECOFF_IS_STAB (ecoff_sym))
849 switch (ECOFF_UNMARK_STAB (ecoff_sym->index))
861 arelent_chain *reloc_chain;
862 unsigned int bitsize;
864 /* Get a section with the same name as the symbol (usually
865 __CTOR_LIST__ or __DTOR_LIST__). FIXME: gcc uses the
866 name ___CTOR_LIST (three underscores). We need
867 __CTOR_LIST (two underscores), since ECOFF doesn't use
868 a leading underscore. This should be handled by gcc,
869 but instead we do it here. Actually, this should all
870 be done differently anyhow. */
871 name = bfd_asymbol_name (asym);
872 if (name[0] == '_' && name[1] == '_' && name[2] == '_')
877 section = bfd_get_section_by_name (abfd, name);
878 if (section == (asection *) NULL)
882 copy = (char *) bfd_alloc (abfd, strlen (name) + 1);
885 bfd_set_error (bfd_error_no_memory);
889 section = bfd_make_section (abfd, copy);
892 /* Build a reloc pointing to this constructor. */
894 (arelent_chain *) bfd_alloc (abfd, sizeof (arelent_chain));
897 bfd_set_error (bfd_error_no_memory);
900 reloc_chain->relent.sym_ptr_ptr =
901 bfd_get_section (asym)->symbol_ptr_ptr;
902 reloc_chain->relent.address = section->_raw_size;
903 reloc_chain->relent.addend = asym->value;
904 reloc_chain->relent.howto =
905 ecoff_backend (abfd)->constructor_reloc;
907 /* Set up the constructor section to hold the reloc. */
908 section->flags = SEC_CONSTRUCTOR;
909 ++section->reloc_count;
911 /* Constructor sections must be rounded to a boundary
912 based on the bitsize. These are not real sections--
913 they are handled specially by the linker--so the ECOFF
914 16 byte alignment restriction does not apply. */
915 bitsize = ecoff_backend (abfd)->constructor_bitsize;
916 section->alignment_power = 1;
917 while ((1 << section->alignment_power) < bitsize / 8)
918 ++section->alignment_power;
920 reloc_chain->next = section->constructor_chain;
921 section->constructor_chain = reloc_chain;
922 section->_raw_size += bitsize / 8;
924 /* Mark the symbol as a constructor. */
925 asym->flags |= BSF_CONSTRUCTOR;
933 /* Read an ECOFF symbol table. */
936 _bfd_ecoff_slurp_symbol_table (abfd)
939 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
940 const bfd_size_type external_ext_size
941 = backend->debug_swap.external_ext_size;
942 const bfd_size_type external_sym_size
943 = backend->debug_swap.external_sym_size;
944 void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *))
945 = backend->debug_swap.swap_ext_in;
946 void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *))
947 = backend->debug_swap.swap_sym_in;
948 bfd_size_type internal_size;
949 ecoff_symbol_type *internal;
950 ecoff_symbol_type *internal_ptr;
951 asymbol *indirect_ptr;
957 /* If we've already read in the symbol table, do nothing. */
958 if (ecoff_data (abfd)->canonical_symbols != NULL)
961 /* Get the symbolic information. */
962 if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL,
963 &ecoff_data (abfd)->debug_info))
965 if (bfd_get_symcount (abfd) == 0)
968 internal_size = bfd_get_symcount (abfd) * sizeof (ecoff_symbol_type);
969 internal = (ecoff_symbol_type *) bfd_alloc (abfd, internal_size);
970 if (internal == NULL)
972 bfd_set_error (bfd_error_no_memory);
976 internal_ptr = internal;
978 eraw_src = (char *) ecoff_data (abfd)->debug_info.external_ext;
980 + (ecoff_data (abfd)->debug_info.symbolic_header.iextMax
981 * external_ext_size));
982 for (; eraw_src < eraw_end; eraw_src += external_ext_size, internal_ptr++)
986 (*swap_ext_in) (abfd, (PTR) eraw_src, &internal_esym);
987 internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ssext
988 + internal_esym.asym.iss);
989 if (!ecoff_set_symbol_info (abfd, &internal_esym.asym,
990 &internal_ptr->symbol, 1, &indirect_ptr))
992 /* The alpha uses a negative ifd field for section symbols. */
993 if (internal_esym.ifd >= 0)
994 internal_ptr->fdr = (ecoff_data (abfd)->debug_info.fdr
995 + internal_esym.ifd);
997 internal_ptr->fdr = NULL;
998 internal_ptr->local = false;
999 internal_ptr->native = (PTR) eraw_src;
1001 BFD_ASSERT (indirect_ptr == (asymbol *) NULL);
1003 /* The local symbols must be accessed via the fdr's, because the
1004 string and aux indices are relative to the fdr information. */
1005 fdr_ptr = ecoff_data (abfd)->debug_info.fdr;
1006 fdr_end = fdr_ptr + ecoff_data (abfd)->debug_info.symbolic_header.ifdMax;
1007 for (; fdr_ptr < fdr_end; fdr_ptr++)
1012 lraw_src = ((char *) ecoff_data (abfd)->debug_info.external_sym
1013 + fdr_ptr->isymBase * external_sym_size);
1014 lraw_end = lraw_src + fdr_ptr->csym * external_sym_size;
1016 lraw_src < lraw_end;
1017 lraw_src += external_sym_size, internal_ptr++)
1021 (*swap_sym_in) (abfd, (PTR) lraw_src, &internal_sym);
1022 internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ss
1024 + internal_sym.iss);
1025 if (!ecoff_set_symbol_info (abfd, &internal_sym,
1026 &internal_ptr->symbol, 0, &indirect_ptr))
1028 internal_ptr->fdr = fdr_ptr;
1029 internal_ptr->local = true;
1030 internal_ptr->native = (PTR) lraw_src;
1033 BFD_ASSERT (indirect_ptr == (asymbol *) NULL);
1035 ecoff_data (abfd)->canonical_symbols = internal;
1040 /* Return the amount of space needed for the canonical symbols. */
1043 _bfd_ecoff_get_symtab_upper_bound (abfd)
1046 if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL,
1047 &ecoff_data (abfd)->debug_info))
1050 if (bfd_get_symcount (abfd) == 0)
1053 return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *));
1056 /* Get the canonical symbols. */
1059 _bfd_ecoff_get_symtab (abfd, alocation)
1061 asymbol **alocation;
1063 unsigned int counter = 0;
1064 ecoff_symbol_type *symbase;
1065 ecoff_symbol_type **location = (ecoff_symbol_type **) alocation;
1067 if (_bfd_ecoff_slurp_symbol_table (abfd) == false)
1069 if (bfd_get_symcount (abfd) == 0)
1072 symbase = ecoff_data (abfd)->canonical_symbols;
1073 while (counter < bfd_get_symcount (abfd))
1075 *(location++) = symbase++;
1078 *location++ = (ecoff_symbol_type *) NULL;
1079 return bfd_get_symcount (abfd);
1082 /* Turn ECOFF type information into a printable string.
1083 ecoff_emit_aggregate and ecoff_type_to_string are from
1084 gcc/mips-tdump.c, with swapping added and used_ptr removed. */
1086 /* Write aggregate information to a string. */
1089 ecoff_emit_aggregate (abfd, fdr, string, rndx, isym, which)
1097 const struct ecoff_debug_swap * const debug_swap =
1098 &ecoff_backend (abfd)->debug_swap;
1099 struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info;
1100 unsigned int ifd = rndx->rfd;
1101 unsigned int indx = rndx->index;
1107 /* An ifd of -1 is an opaque type. An escaped index of 0 is a
1108 struct return type of a procedure compiled without -g. */
1109 if (ifd == 0xffffffff
1110 || (rndx->rfd == 0xfff && indx == 0))
1111 name = "<undefined>";
1112 else if (indx == indexNil)
1118 if (debug_info->external_rfd == NULL)
1119 fdr = debug_info->fdr + ifd;
1124 (*debug_swap->swap_rfd_in) (abfd,
1125 ((char *) debug_info->external_rfd
1126 + ((fdr->rfdBase + ifd)
1127 * debug_swap->external_rfd_size)),
1129 fdr = debug_info->fdr + rfd;
1132 indx += fdr->isymBase;
1134 (*debug_swap->swap_sym_in) (abfd,
1135 ((char *) debug_info->external_sym
1136 + indx * debug_swap->external_sym_size),
1139 name = debug_info->ss + fdr->issBase + sym.iss;
1143 "%s %s { ifd = %u, index = %lu }",
1146 + debug_info->symbolic_header.iextMax));
1149 /* Convert the type information to string format. */
1152 ecoff_type_to_string (abfd, fdr, indx)
1157 union aux_ext *aux_ptr;
1166 unsigned int basic_type;
1169 static char buffer2[1024];
1174 aux_ptr = ecoff_data (abfd)->debug_info.external_aux + fdr->iauxBase;
1175 bigendian = fdr->fBigendian;
1177 for (i = 0; i < 7; i++)
1179 qualifiers[i].low_bound = 0;
1180 qualifiers[i].high_bound = 0;
1181 qualifiers[i].stride = 0;
1184 if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == -1)
1185 return "-1 (no type)";
1186 _bfd_ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti);
1188 basic_type = u.ti.bt;
1189 qualifiers[0].type = u.ti.tq0;
1190 qualifiers[1].type = u.ti.tq1;
1191 qualifiers[2].type = u.ti.tq2;
1192 qualifiers[3].type = u.ti.tq3;
1193 qualifiers[4].type = u.ti.tq4;
1194 qualifiers[5].type = u.ti.tq5;
1195 qualifiers[6].type = tqNil;
1198 * Go get the basic type.
1202 case btNil: /* undefined */
1206 case btAdr: /* address - integer same size as pointer */
1207 strcpy (p1, "address");
1210 case btChar: /* character */
1211 strcpy (p1, "char");
1214 case btUChar: /* unsigned character */
1215 strcpy (p1, "unsigned char");
1218 case btShort: /* short */
1219 strcpy (p1, "short");
1222 case btUShort: /* unsigned short */
1223 strcpy (p1, "unsigned short");
1226 case btInt: /* int */
1230 case btUInt: /* unsigned int */
1231 strcpy (p1, "unsigned int");
1234 case btLong: /* long */
1235 strcpy (p1, "long");
1238 case btULong: /* unsigned long */
1239 strcpy (p1, "unsigned long");
1242 case btFloat: /* float (real) */
1243 strcpy (p1, "float");
1246 case btDouble: /* Double (real) */
1247 strcpy (p1, "double");
1250 /* Structures add 1-2 aux words:
1251 1st word is [ST_RFDESCAPE, offset] pointer to struct def;
1252 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
1254 case btStruct: /* Structure (Record) */
1255 _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx);
1256 ecoff_emit_aggregate (abfd, fdr, p1, &rndx,
1257 (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]),
1259 indx++; /* skip aux words */
1262 /* Unions add 1-2 aux words:
1263 1st word is [ST_RFDESCAPE, offset] pointer to union def;
1264 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
1266 case btUnion: /* Union */
1267 _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx);
1268 ecoff_emit_aggregate (abfd, fdr, p1, &rndx,
1269 (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]),
1271 indx++; /* skip aux words */
1274 /* Enumerations add 1-2 aux words:
1275 1st word is [ST_RFDESCAPE, offset] pointer to enum def;
1276 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
1278 case btEnum: /* Enumeration */
1279 _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx);
1280 ecoff_emit_aggregate (abfd, fdr, p1, &rndx,
1281 (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]),
1283 indx++; /* skip aux words */
1286 case btTypedef: /* defined via a typedef, isymRef points */
1287 strcpy (p1, "typedef");
1290 case btRange: /* subrange of int */
1291 strcpy (p1, "subrange");
1294 case btSet: /* pascal sets */
1298 case btComplex: /* fortran complex */
1299 strcpy (p1, "complex");
1302 case btDComplex: /* fortran double complex */
1303 strcpy (p1, "double complex");
1306 case btIndirect: /* forward or unnamed typedef */
1307 strcpy (p1, "forward/unamed typedef");
1310 case btFixedDec: /* Fixed Decimal */
1311 strcpy (p1, "fixed decimal");
1314 case btFloatDec: /* Float Decimal */
1315 strcpy (p1, "float decimal");
1318 case btString: /* Varying Length Character String */
1319 strcpy (p1, "string");
1322 case btBit: /* Aligned Bit String */
1326 case btPicture: /* Picture */
1327 strcpy (p1, "picture");
1330 case btVoid: /* Void */
1331 strcpy (p1, "void");
1335 sprintf (p1, "Unknown basic type %d", (int) basic_type);
1339 p1 += strlen (buffer1);
1342 * If this is a bitfield, get the bitsize.
1348 bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]);
1349 sprintf (p1, " : %d", bitsize);
1350 p1 += strlen (buffer1);
1355 * Deal with any qualifiers.
1357 if (qualifiers[0].type != tqNil)
1360 * Snarf up any array bounds in the correct order. Arrays
1361 * store 5 successive words in the aux. table:
1362 * word 0 RNDXR to type of the bounds (ie, int)
1363 * word 1 Current file descriptor index
1365 * word 3 high bound (or -1 if [])
1366 * word 4 stride size in bits
1368 for (i = 0; i < 7; i++)
1370 if (qualifiers[i].type == tqArray)
1372 qualifiers[i].low_bound =
1373 AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]);
1374 qualifiers[i].high_bound =
1375 AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]);
1376 qualifiers[i].stride =
1377 AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]);
1383 * Now print out the qualifiers.
1385 for (i = 0; i < 6; i++)
1387 switch (qualifiers[i].type)
1394 strcpy (p2, "ptr to ");
1395 p2 += sizeof ("ptr to ")-1;
1399 strcpy (p2, "volatile ");
1400 p2 += sizeof ("volatile ")-1;
1404 strcpy (p2, "far ");
1405 p2 += sizeof ("far ")-1;
1409 strcpy (p2, "func. ret. ");
1410 p2 += sizeof ("func. ret. ");
1415 int first_array = i;
1418 /* Print array bounds reversed (ie, in the order the C
1419 programmer writes them). C is such a fun language.... */
1421 while (i < 5 && qualifiers[i+1].type == tqArray)
1424 for (j = i; j >= first_array; j--)
1426 strcpy (p2, "array [");
1427 p2 += sizeof ("array [")-1;
1428 if (qualifiers[j].low_bound != 0)
1430 "%ld:%ld {%ld bits}",
1431 (long) qualifiers[j].low_bound,
1432 (long) qualifiers[j].high_bound,
1433 (long) qualifiers[j].stride);
1435 else if (qualifiers[j].high_bound != -1)
1438 (long) (qualifiers[j].high_bound + 1),
1439 (long) (qualifiers[j].stride));
1442 sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride));
1445 strcpy (p2, "] of ");
1446 p2 += sizeof ("] of ")-1;
1454 strcpy (p2, buffer1);
1458 /* Return information about ECOFF symbol SYMBOL in RET. */
1462 _bfd_ecoff_get_symbol_info (abfd, symbol, ret)
1463 bfd *abfd; /* Ignored. */
1467 bfd_symbol_info (symbol, ret);
1470 /* Print information about an ECOFF symbol. */
1473 _bfd_ecoff_print_symbol (abfd, filep, symbol, how)
1477 bfd_print_symbol_type how;
1479 const struct ecoff_debug_swap * const debug_swap
1480 = &ecoff_backend (abfd)->debug_swap;
1481 FILE *file = (FILE *)filep;
1485 case bfd_print_symbol_name:
1486 fprintf (file, "%s", symbol->name);
1488 case bfd_print_symbol_more:
1489 if (ecoffsymbol (symbol)->local)
1493 (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native,
1495 fprintf (file, "ecoff local ");
1496 fprintf_vma (file, (bfd_vma) ecoff_sym.value);
1497 fprintf (file, " %x %x", (unsigned) ecoff_sym.st,
1498 (unsigned) ecoff_sym.sc);
1504 (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native,
1506 fprintf (file, "ecoff extern ");
1507 fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value);
1508 fprintf (file, " %x %x", (unsigned) ecoff_ext.asym.st,
1509 (unsigned) ecoff_ext.asym.sc);
1512 case bfd_print_symbol_all:
1513 /* Print out the symbols in a reasonable way */
1522 if (ecoffsymbol (symbol)->local)
1524 (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native,
1527 pos = ((((char *) ecoffsymbol (symbol)->native
1528 - (char *) ecoff_data (abfd)->debug_info.external_sym)
1529 / debug_swap->external_sym_size)
1530 + ecoff_data (abfd)->debug_info.symbolic_header.iextMax);
1537 (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native,
1540 pos = (((char *) ecoffsymbol (symbol)->native
1541 - (char *) ecoff_data (abfd)->debug_info.external_ext)
1542 / debug_swap->external_ext_size);
1543 jmptbl = ecoff_ext.jmptbl ? 'j' : ' ';
1544 cobol_main = ecoff_ext.cobol_main ? 'c' : ' ';
1545 weakext = ecoff_ext.weakext ? 'w' : ' ';
1548 fprintf (file, "[%3d] %c ",
1550 fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value);
1551 fprintf (file, " st %x sc %x indx %x %c%c%c %s",
1552 (unsigned) ecoff_ext.asym.st,
1553 (unsigned) ecoff_ext.asym.sc,
1554 (unsigned) ecoff_ext.asym.index,
1555 jmptbl, cobol_main, weakext,
1558 if (ecoffsymbol (symbol)->fdr != NULL
1559 && ecoff_ext.asym.index != indexNil)
1564 bfd_size_type sym_base;
1565 union aux_ext *aux_base;
1567 fdr = ecoffsymbol (symbol)->fdr;
1568 indx = ecoff_ext.asym.index;
1570 /* sym_base is used to map the fdr relative indices which
1571 appear in the file to the position number which we are
1573 sym_base = fdr->isymBase;
1574 if (ecoffsymbol (symbol)->local)
1576 ecoff_data (abfd)->debug_info.symbolic_header.iextMax;
1578 /* aux_base is the start of the aux entries for this file;
1579 asym.index is an offset from this. */
1580 aux_base = (ecoff_data (abfd)->debug_info.external_aux
1583 /* The aux entries are stored in host byte order; the
1584 order is indicated by a bit in the fdr. */
1585 bigendian = fdr->fBigendian;
1587 /* This switch is basically from gcc/mips-tdump.c */
1588 switch (ecoff_ext.asym.st)
1596 fprintf (file, "\n End+1 symbol: %ld",
1597 (long) (indx + sym_base));
1601 if (ecoff_ext.asym.sc == scText
1602 || ecoff_ext.asym.sc == scInfo)
1603 fprintf (file, "\n First symbol: %ld",
1604 (long) (indx + sym_base));
1606 fprintf (file, "\n First symbol: %ld",
1608 (AUX_GET_ISYM (bigendian,
1609 &aux_base[ecoff_ext.asym.index])
1615 if (ECOFF_IS_STAB (&ecoff_ext.asym))
1617 else if (ecoffsymbol (symbol)->local)
1618 fprintf (file, "\n End+1 symbol: %-7ld Type: %s",
1620 (AUX_GET_ISYM (bigendian,
1621 &aux_base[ecoff_ext.asym.index])
1623 ecoff_type_to_string (abfd, fdr, indx + 1));
1625 fprintf (file, "\n Local symbol: %ld",
1628 + (ecoff_data (abfd)
1629 ->debug_info.symbolic_header.iextMax)));
1633 fprintf (file, "\n struct; End+1 symbol: %ld",
1634 (long) (indx + sym_base));
1638 fprintf (file, "\n union; End+1 symbol: %ld",
1639 (long) (indx + sym_base));
1643 fprintf (file, "\n enum; End+1 symbol: %ld",
1644 (long) (indx + sym_base));
1648 if (! ECOFF_IS_STAB (&ecoff_ext.asym))
1649 fprintf (file, "\n Type: %s",
1650 ecoff_type_to_string (abfd, fdr, indx));
1659 /* Read in the relocs for a section. */
1662 ecoff_slurp_reloc_table (abfd, section, symbols)
1667 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
1668 arelent *internal_relocs;
1669 bfd_size_type external_reloc_size;
1670 bfd_size_type external_relocs_size;
1671 char *external_relocs;
1675 if (section->relocation != (arelent *) NULL
1676 || section->reloc_count == 0
1677 || (section->flags & SEC_CONSTRUCTOR) != 0)
1680 if (_bfd_ecoff_slurp_symbol_table (abfd) == false)
1683 internal_relocs = (arelent *) bfd_alloc (abfd,
1685 * section->reloc_count));
1686 external_reloc_size = backend->external_reloc_size;
1687 external_relocs_size = external_reloc_size * section->reloc_count;
1688 external_relocs = (char *) bfd_alloc (abfd, external_relocs_size);
1689 if (internal_relocs == (arelent *) NULL
1690 || external_relocs == (char *) NULL)
1692 bfd_set_error (bfd_error_no_memory);
1695 if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0)
1697 if (bfd_read (external_relocs, 1, external_relocs_size, abfd)
1698 != external_relocs_size)
1701 for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++)
1703 struct internal_reloc intern;
1705 (*backend->swap_reloc_in) (abfd,
1706 external_relocs + i * external_reloc_size,
1709 if (intern.r_extern)
1711 /* r_symndx is an index into the external symbols. */
1712 BFD_ASSERT (intern.r_symndx >= 0
1714 < (ecoff_data (abfd)
1715 ->debug_info.symbolic_header.iextMax)));
1716 rptr->sym_ptr_ptr = symbols + intern.r_symndx;
1719 else if (intern.r_symndx == RELOC_SECTION_NONE
1720 || intern.r_symndx == RELOC_SECTION_ABS)
1722 rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
1727 CONST char *sec_name;
1730 /* r_symndx is a section key. */
1731 switch (intern.r_symndx)
1733 case RELOC_SECTION_TEXT: sec_name = ".text"; break;
1734 case RELOC_SECTION_RDATA: sec_name = ".rdata"; break;
1735 case RELOC_SECTION_DATA: sec_name = ".data"; break;
1736 case RELOC_SECTION_SDATA: sec_name = ".sdata"; break;
1737 case RELOC_SECTION_SBSS: sec_name = ".sbss"; break;
1738 case RELOC_SECTION_BSS: sec_name = ".bss"; break;
1739 case RELOC_SECTION_INIT: sec_name = ".init"; break;
1740 case RELOC_SECTION_LIT8: sec_name = ".lit8"; break;
1741 case RELOC_SECTION_LIT4: sec_name = ".lit4"; break;
1742 case RELOC_SECTION_XDATA: sec_name = ".xdata"; break;
1743 case RELOC_SECTION_PDATA: sec_name = ".pdata"; break;
1744 case RELOC_SECTION_FINI: sec_name = ".fini"; break;
1745 case RELOC_SECTION_LITA: sec_name = ".lita"; break;
1749 sec = bfd_get_section_by_name (abfd, sec_name);
1750 if (sec == (asection *) NULL)
1752 rptr->sym_ptr_ptr = sec->symbol_ptr_ptr;
1754 rptr->addend = - bfd_get_section_vma (abfd, sec);
1757 rptr->address = intern.r_vaddr - bfd_get_section_vma (abfd, section);
1759 /* Let the backend select the howto field and do any other
1760 required processing. */
1761 (*backend->adjust_reloc_in) (abfd, &intern, rptr);
1764 bfd_release (abfd, external_relocs);
1766 section->relocation = internal_relocs;
1771 /* Get a canonical list of relocs. */
1774 _bfd_ecoff_canonicalize_reloc (abfd, section, relptr, symbols)
1782 if (section->flags & SEC_CONSTRUCTOR)
1784 arelent_chain *chain;
1786 /* This section has relocs made up by us, not the file, so take
1787 them out of their chain and place them into the data area
1789 for (count = 0, chain = section->constructor_chain;
1790 count < section->reloc_count;
1791 count++, chain = chain->next)
1792 *relptr++ = &chain->relent;
1798 if (ecoff_slurp_reloc_table (abfd, section, symbols) == false)
1801 tblptr = section->relocation;
1803 for (count = 0; count < section->reloc_count; count++)
1804 *relptr++ = tblptr++;
1807 *relptr = (arelent *) NULL;
1809 return section->reloc_count;
1812 /* Provided a BFD, a section and an offset into the section, calculate
1813 and return the name of the source file and the line nearest to the
1818 _bfd_ecoff_find_nearest_line (abfd, section, ignore_symbols, offset,
1819 filename_ptr, functionname_ptr, retline_ptr)
1822 asymbol **ignore_symbols;
1824 CONST char **filename_ptr;
1825 CONST char **functionname_ptr;
1826 unsigned int *retline_ptr;
1828 const struct ecoff_debug_swap * const debug_swap
1829 = &ecoff_backend (abfd)->debug_swap;
1830 struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info;
1831 struct ecoff_find_line *line_info;
1833 /* If we're not in the .text section, we don't have any line
1835 if (strcmp (section->name, _TEXT) != 0
1836 || offset < ecoff_data (abfd)->text_start
1837 || offset >= ecoff_data (abfd)->text_end)
1840 /* Make sure we have the FDR's. */
1841 if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, debug_info)
1842 || bfd_get_symcount (abfd) == 0)
1845 if (ecoff_data (abfd)->find_line_info == NULL)
1847 ecoff_data (abfd)->find_line_info =
1848 ((struct ecoff_find_line *)
1849 bfd_alloc (abfd, sizeof (struct ecoff_find_line)));
1850 if (ecoff_data (abfd)->find_line_info == NULL)
1852 bfd_set_error (bfd_error_no_memory);
1855 ecoff_data (abfd)->find_line_info->find_buffer = NULL;
1856 ecoff_data (abfd)->find_line_info->fdrtab_len = 0;
1857 ecoff_data (abfd)->find_line_info->fdrtab = NULL;
1859 line_info = ecoff_data (abfd)->find_line_info;
1861 return _bfd_ecoff_locate_line (abfd, section, offset, debug_info,
1862 debug_swap, line_info, filename_ptr,
1863 functionname_ptr, retline_ptr);
1866 /* Copy private BFD data. This is called by objcopy and strip. We
1867 use it to copy the ECOFF debugging information from one BFD to the
1868 other. It would be theoretically possible to represent the ECOFF
1869 debugging information in the symbol table. However, it would be a
1870 lot of work, and there would be little gain (gas, gdb, and ld
1871 already access the ECOFF debugging information via the
1872 ecoff_debug_info structure, and that structure would have to be
1873 retained in order to support ECOFF debugging in MIPS ELF).
1875 The debugging information for the ECOFF external symbols comes from
1876 the symbol table, so this function only handles the other debugging
1880 _bfd_ecoff_bfd_copy_private_bfd_data (ibfd, obfd)
1884 struct ecoff_debug_info *iinfo = &ecoff_data (ibfd)->debug_info;
1885 struct ecoff_debug_info *oinfo = &ecoff_data (obfd)->debug_info;
1887 asymbol **sym_ptr_ptr;
1891 /* This function is selected based on the input vector. We only
1892 want to copy information over if the output BFD also uses ECOFF
1894 if (bfd_get_flavour (obfd) != bfd_target_ecoff_flavour)
1897 /* Copy the GP value and the register masks. */
1898 ecoff_data (obfd)->gp = ecoff_data (ibfd)->gp;
1899 ecoff_data (obfd)->gprmask = ecoff_data (ibfd)->gprmask;
1900 ecoff_data (obfd)->fprmask = ecoff_data (ibfd)->fprmask;
1901 for (i = 0; i < 3; i++)
1902 ecoff_data (obfd)->cprmask[i] = ecoff_data (ibfd)->cprmask[i];
1904 /* Copy the version stamp. */
1905 oinfo->symbolic_header.vstamp = iinfo->symbolic_header.vstamp;
1907 /* If there are no symbols, don't copy any debugging information. */
1908 c = bfd_get_symcount (obfd);
1909 sym_ptr_ptr = bfd_get_outsymbols (obfd);
1910 if (c == 0 || sym_ptr_ptr == (asymbol **) NULL)
1913 /* See if there are any local symbols. */
1915 for (; c > 0; c--, sym_ptr_ptr++)
1917 if (ecoffsymbol (*sym_ptr_ptr)->local)
1926 /* There are some local symbols. We just bring over all the
1927 debugging information. FIXME: This is not quite the right
1928 thing to do. If the user has asked us to discard all
1929 debugging information, then we are probably going to wind up
1930 keeping it because there will probably be some local symbol
1931 which objcopy did not discard. We should actually break
1932 apart the debugging information and only keep that which
1933 applies to the symbols we want to keep. */
1934 oinfo->symbolic_header.ilineMax = iinfo->symbolic_header.ilineMax;
1935 oinfo->symbolic_header.cbLine = iinfo->symbolic_header.cbLine;
1936 oinfo->line = iinfo->line;
1938 oinfo->symbolic_header.idnMax = iinfo->symbolic_header.idnMax;
1939 oinfo->external_dnr = iinfo->external_dnr;
1941 oinfo->symbolic_header.ipdMax = iinfo->symbolic_header.ipdMax;
1942 oinfo->external_pdr = iinfo->external_pdr;
1944 oinfo->symbolic_header.isymMax = iinfo->symbolic_header.isymMax;
1945 oinfo->external_sym = iinfo->external_sym;
1947 oinfo->symbolic_header.ioptMax = iinfo->symbolic_header.ioptMax;
1948 oinfo->external_opt = iinfo->external_opt;
1950 oinfo->symbolic_header.iauxMax = iinfo->symbolic_header.iauxMax;
1951 oinfo->external_aux = iinfo->external_aux;
1953 oinfo->symbolic_header.issMax = iinfo->symbolic_header.issMax;
1954 oinfo->ss = iinfo->ss;
1956 oinfo->symbolic_header.ifdMax = iinfo->symbolic_header.ifdMax;
1957 oinfo->external_fdr = iinfo->external_fdr;
1959 oinfo->symbolic_header.crfd = iinfo->symbolic_header.crfd;
1960 oinfo->external_rfd = iinfo->external_rfd;
1964 /* We are discarding all the local symbol information. Look
1965 through the external symbols and remove all references to FDR
1966 or aux information. */
1967 c = bfd_get_symcount (obfd);
1968 sym_ptr_ptr = bfd_get_outsymbols (obfd);
1969 for (; c > 0; c--, sym_ptr_ptr++)
1973 (*(ecoff_backend (obfd)->debug_swap.swap_ext_in))
1974 (obfd, ecoffsymbol (*sym_ptr_ptr)->native, &esym);
1976 esym.asym.index = indexNil;
1977 (*(ecoff_backend (obfd)->debug_swap.swap_ext_out))
1978 (obfd, &esym, ecoffsymbol (*sym_ptr_ptr)->native);
1985 /* Set the architecture. The supported architecture is stored in the
1986 backend pointer. We always set the architecture anyhow, since many
1987 callers ignore the return value. */
1990 _bfd_ecoff_set_arch_mach (abfd, arch, machine)
1992 enum bfd_architecture arch;
1993 unsigned long machine;
1995 bfd_default_set_arch_mach (abfd, arch, machine);
1996 return arch == ecoff_backend (abfd)->arch;
1999 /* Get the size of the section headers. */
2003 _bfd_ecoff_sizeof_headers (abfd, reloc)
2012 for (current = abfd->sections;
2013 current != (asection *)NULL;
2014 current = current->next)
2017 ret = (bfd_coff_filhsz (abfd)
2018 + bfd_coff_aoutsz (abfd)
2019 + c * bfd_coff_scnhsz (abfd));
2020 return BFD_ALIGN (ret, 16);
2023 /* Get the contents of a section. */
2026 _bfd_ecoff_get_section_contents (abfd, section, location, offset, count)
2031 bfd_size_type count;
2033 return _bfd_generic_get_section_contents (abfd, section, location,
2037 /* Calculate the file position for each section, and set
2041 ecoff_compute_section_file_positions (abfd)
2049 sofar = _bfd_ecoff_sizeof_headers (abfd, false);
2052 for (current = abfd->sections;
2053 current != (asection *) NULL;
2054 current = current->next)
2056 unsigned int alignment_power;
2058 /* Only deal with sections which have contents */
2059 if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) == 0)
2062 /* For the Alpha ECOFF .pdata section the lnnoptr field is
2063 supposed to indicate the number of .pdata entries that are
2064 really in the section. Each entry is 8 bytes. We store this
2065 away in line_filepos before increasing the section size. */
2066 if (strcmp (current->name, _PDATA) != 0)
2067 alignment_power = current->alignment_power;
2070 current->line_filepos = current->_raw_size / 8;
2071 alignment_power = 4;
2074 /* On Ultrix, the data sections in an executable file must be
2075 aligned to a page boundary within the file. This does not
2076 affect the section size, though. FIXME: Does this work for
2077 other platforms? It requires some modification for the
2078 Alpha, because .rdata on the Alpha goes with the text, not
2080 if ((abfd->flags & EXEC_P) != 0
2081 && (abfd->flags & D_PAGED) != 0
2082 && first_data != false
2083 && (current->flags & SEC_CODE) == 0
2084 && (! ecoff_backend (abfd)->rdata_in_text
2085 || strcmp (current->name, _RDATA) != 0)
2086 && strcmp (current->name, _PDATA) != 0)
2088 const bfd_vma round = ecoff_backend (abfd)->round;
2090 sofar = (sofar + round - 1) &~ (round - 1);
2093 else if (strcmp (current->name, _LIB) == 0)
2095 const bfd_vma round = ecoff_backend (abfd)->round;
2096 /* On Irix 4, the location of contents of the .lib section
2097 from a shared library section is also rounded up to a
2100 sofar = (sofar + round - 1) &~ (round - 1);
2103 /* Align the sections in the file to the same boundary on
2104 which they are aligned in virtual memory. */
2106 sofar = BFD_ALIGN (sofar, 1 << alignment_power);
2108 current->filepos = sofar;
2110 sofar += current->_raw_size;
2112 /* make sure that this section is of the right size too */
2114 sofar = BFD_ALIGN (sofar, 1 << alignment_power);
2115 current->_raw_size += sofar - old_sofar;
2118 ecoff_data (abfd)->reloc_filepos = sofar;
2121 /* Determine the location of the relocs for all the sections in the
2122 output file, as well as the location of the symbolic debugging
2125 static bfd_size_type
2126 ecoff_compute_reloc_file_positions (abfd)
2129 const bfd_size_type external_reloc_size =
2130 ecoff_backend (abfd)->external_reloc_size;
2131 file_ptr reloc_base;
2132 bfd_size_type reloc_size;
2136 if (! abfd->output_has_begun)
2138 ecoff_compute_section_file_positions (abfd);
2139 abfd->output_has_begun = true;
2142 reloc_base = ecoff_data (abfd)->reloc_filepos;
2145 for (current = abfd->sections;
2146 current != (asection *)NULL;
2147 current = current->next)
2149 if (current->reloc_count == 0)
2150 current->rel_filepos = 0;
2153 bfd_size_type relsize;
2155 current->rel_filepos = reloc_base;
2156 relsize = current->reloc_count * external_reloc_size;
2157 reloc_size += relsize;
2158 reloc_base += relsize;
2162 sym_base = ecoff_data (abfd)->reloc_filepos + reloc_size;
2164 /* At least on Ultrix, the symbol table of an executable file must
2165 be aligned to a page boundary. FIXME: Is this true on other
2167 if ((abfd->flags & EXEC_P) != 0
2168 && (abfd->flags & D_PAGED) != 0)
2169 sym_base = ((sym_base + ecoff_backend (abfd)->round - 1)
2170 &~ (ecoff_backend (abfd)->round - 1));
2172 ecoff_data (abfd)->sym_filepos = sym_base;
2177 /* Set the contents of a section. */
2180 _bfd_ecoff_set_section_contents (abfd, section, location, offset, count)
2185 bfd_size_type count;
2187 /* This must be done first, because bfd_set_section_contents is
2188 going to set output_has_begun to true. */
2189 if (abfd->output_has_begun == false)
2190 ecoff_compute_section_file_positions (abfd);
2192 /* If this is a .lib section, bump the vma address so that it winds
2193 up being the number of .lib sections output. This is right for
2194 Irix 4. Ian Taylor <ian@cygnus.com>. */
2195 if (strcmp (section->name, _LIB) == 0)
2201 if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0
2202 || bfd_write (location, 1, count, abfd) != count)
2208 /* Get the GP value for an ECOFF file. This is a hook used by
2212 bfd_ecoff_get_gp_value (abfd)
2215 if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour
2216 || bfd_get_format (abfd) != bfd_object)
2218 bfd_set_error (bfd_error_invalid_operation);
2222 return ecoff_data (abfd)->gp;
2225 /* Set the GP value for an ECOFF file. This is a hook used by the
2229 bfd_ecoff_set_gp_value (abfd, gp_value)
2233 if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour
2234 || bfd_get_format (abfd) != bfd_object)
2236 bfd_set_error (bfd_error_invalid_operation);
2240 ecoff_data (abfd)->gp = gp_value;
2245 /* Set the register masks for an ECOFF file. This is a hook used by
2249 bfd_ecoff_set_regmasks (abfd, gprmask, fprmask, cprmask)
2251 unsigned long gprmask;
2252 unsigned long fprmask;
2253 unsigned long *cprmask;
2255 ecoff_data_type *tdata;
2257 if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour
2258 || bfd_get_format (abfd) != bfd_object)
2260 bfd_set_error (bfd_error_invalid_operation);
2264 tdata = ecoff_data (abfd);
2265 tdata->gprmask = gprmask;
2266 tdata->fprmask = fprmask;
2267 if (cprmask != (unsigned long *) NULL)
2271 for (i = 0; i < 3; i++)
2272 tdata->cprmask[i] = cprmask[i];
2278 /* Get ECOFF EXTR information for an external symbol. This function
2279 is passed to bfd_ecoff_debug_externals. */
2282 ecoff_get_extr (sym, esym)
2286 ecoff_symbol_type *ecoff_sym_ptr;
2289 if (bfd_asymbol_flavour (sym) != bfd_target_ecoff_flavour
2290 || ecoffsymbol (sym)->native == NULL)
2292 /* Don't include debugging, local, or section symbols. */
2293 if ((sym->flags & BSF_DEBUGGING) != 0
2294 || (sym->flags & BSF_LOCAL) != 0
2295 || (sym->flags & BSF_SECTION_SYM) != 0)
2299 esym->cobol_main = 0;
2303 /* FIXME: we can do better than this for st and sc. */
2304 esym->asym.st = stGlobal;
2305 esym->asym.sc = scAbs;
2306 esym->asym.reserved = 0;
2307 esym->asym.index = indexNil;
2311 ecoff_sym_ptr = ecoffsymbol (sym);
2313 if (ecoff_sym_ptr->local)
2316 input_bfd = bfd_asymbol_bfd (sym);
2317 (*(ecoff_backend (input_bfd)->debug_swap.swap_ext_in))
2318 (input_bfd, ecoff_sym_ptr->native, esym);
2320 /* If the symbol was defined by the linker, then esym will be
2321 undefined but sym will not be. Get a better class for such a
2323 if ((esym->asym.sc == scUndefined
2324 || esym->asym.sc == scSUndefined)
2325 && ! bfd_is_und_section (bfd_get_section (sym)))
2326 esym->asym.sc = scAbs;
2328 /* Adjust the FDR index for the symbol by that used for the input
2330 if (esym->ifd != -1)
2332 struct ecoff_debug_info *input_debug;
2334 input_debug = &ecoff_data (input_bfd)->debug_info;
2335 BFD_ASSERT (esym->ifd < input_debug->symbolic_header.ifdMax);
2336 if (input_debug->ifdmap != (RFDT *) NULL)
2337 esym->ifd = input_debug->ifdmap[esym->ifd];
2343 /* Set the external symbol index. This routine is passed to
2344 bfd_ecoff_debug_externals. */
2347 ecoff_set_index (sym, indx)
2351 ecoff_set_sym_index (sym, indx);
2354 /* Write out an ECOFF file. */
2357 _bfd_ecoff_write_object_contents (abfd)
2360 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
2361 const bfd_vma round = backend->round;
2362 const bfd_size_type filhsz = bfd_coff_filhsz (abfd);
2363 const bfd_size_type aoutsz = bfd_coff_aoutsz (abfd);
2364 const bfd_size_type scnhsz = bfd_coff_scnhsz (abfd);
2365 const bfd_size_type external_hdr_size
2366 = backend->debug_swap.external_hdr_size;
2367 const bfd_size_type external_reloc_size = backend->external_reloc_size;
2368 void (* const adjust_reloc_out) PARAMS ((bfd *,
2370 struct internal_reloc *))
2371 = backend->adjust_reloc_out;
2372 void (* const swap_reloc_out) PARAMS ((bfd *,
2373 const struct internal_reloc *,
2375 = backend->swap_reloc_out;
2376 struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info;
2377 HDRR * const symhdr = &debug->symbolic_header;
2380 bfd_size_type reloc_size;
2381 bfd_size_type text_size;
2383 boolean set_text_start;
2384 bfd_size_type data_size;
2386 boolean set_data_start;
2387 bfd_size_type bss_size;
2389 PTR reloc_buff = NULL;
2390 struct internal_filehdr internal_f;
2391 struct internal_aouthdr internal_a;
2394 /* Determine where the sections and relocs will go in the output
2396 reloc_size = ecoff_compute_reloc_file_positions (abfd);
2399 for (current = abfd->sections;
2400 current != (asection *)NULL;
2401 current = current->next)
2403 current->target_index = count;
2407 if ((abfd->flags & D_PAGED) != 0)
2408 text_size = _bfd_ecoff_sizeof_headers (abfd, false);
2412 set_text_start = false;
2415 set_data_start = false;
2418 /* Write section headers to the file. */
2420 /* Allocate buff big enough to hold a section header,
2421 file header, or a.out header. */
2429 buff = (PTR) malloc (siz);
2432 bfd_set_error (bfd_error_no_memory);
2437 internal_f.f_nscns = 0;
2438 if (bfd_seek (abfd, (file_ptr) (filhsz + aoutsz), SEEK_SET) != 0)
2440 for (current = abfd->sections;
2441 current != (asection *) NULL;
2442 current = current->next)
2444 struct internal_scnhdr section;
2447 ++internal_f.f_nscns;
2449 strncpy (section.s_name, current->name, sizeof section.s_name);
2451 /* This seems to be correct for Irix 4 shared libraries. */
2452 vma = bfd_get_section_vma (abfd, current);
2453 if (strcmp (current->name, _LIB) == 0)
2454 section.s_vaddr = 0;
2456 section.s_vaddr = vma;
2458 section.s_paddr = vma;
2459 section.s_size = bfd_get_section_size_before_reloc (current);
2461 /* If this section is unloadable then the scnptr will be 0. */
2462 if ((current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
2463 section.s_scnptr = 0;
2465 section.s_scnptr = current->filepos;
2466 section.s_relptr = current->rel_filepos;
2468 /* FIXME: the lnnoptr of the .sbss or .sdata section of an
2469 object file produced by the assembler is supposed to point to
2470 information about how much room is required by objects of
2471 various different sizes. I think this only matters if we
2472 want the linker to compute the best size to use, or
2473 something. I don't know what happens if the information is
2475 if (strcmp (current->name, _PDATA) != 0)
2476 section.s_lnnoptr = 0;
2479 /* The Alpha ECOFF .pdata section uses the lnnoptr field to
2480 hold the number of entries in the section (each entry is
2481 8 bytes). We stored this in the line_filepos field in
2482 ecoff_compute_section_file_positions. */
2483 section.s_lnnoptr = current->line_filepos;
2486 section.s_nreloc = current->reloc_count;
2487 section.s_nlnno = 0;
2488 section.s_flags = ecoff_sec_to_styp_flags (current->name,
2491 if (bfd_coff_swap_scnhdr_out (abfd, (PTR) §ion, buff) == 0
2492 || bfd_write (buff, 1, scnhsz, abfd) != scnhsz)
2495 if ((section.s_flags & STYP_TEXT) != 0
2496 || ((section.s_flags & STYP_RDATA) != 0
2497 && backend->rdata_in_text)
2498 || strcmp (current->name, _PDATA) == 0)
2500 text_size += bfd_get_section_size_before_reloc (current);
2501 if (! set_text_start || text_start > vma)
2504 set_text_start = true;
2507 else if ((section.s_flags & STYP_RDATA) != 0
2508 || (section.s_flags & STYP_DATA) != 0
2509 || (section.s_flags & STYP_LITA) != 0
2510 || (section.s_flags & STYP_LIT8) != 0
2511 || (section.s_flags & STYP_LIT4) != 0
2512 || (section.s_flags & STYP_SDATA) != 0
2513 || strcmp (current->name, _XDATA) == 0)
2515 data_size += bfd_get_section_size_before_reloc (current);
2516 if (! set_data_start || data_start > vma)
2519 set_data_start = true;
2522 else if ((section.s_flags & STYP_BSS) != 0
2523 || (section.s_flags & STYP_SBSS) != 0)
2524 bss_size += bfd_get_section_size_before_reloc (current);
2525 else if ((section.s_flags & STYP_ECOFF_LIB) != 0)
2531 /* Set up the file header. */
2533 internal_f.f_magic = ecoff_get_magic (abfd);
2535 /* We will NOT put a fucking timestamp in the header here. Every
2536 time you put it back, I will come in and take it out again. I'm
2537 sorry. This field does not belong here. We fill it with a 0 so
2538 it compares the same but is not a reasonable time. --
2540 internal_f.f_timdat = 0;
2542 if (bfd_get_symcount (abfd) != 0)
2544 /* The ECOFF f_nsyms field is not actually the number of
2545 symbols, it's the size of symbolic information header. */
2546 internal_f.f_nsyms = external_hdr_size;
2547 internal_f.f_symptr = ecoff_data (abfd)->sym_filepos;
2551 internal_f.f_nsyms = 0;
2552 internal_f.f_symptr = 0;
2555 internal_f.f_opthdr = aoutsz;
2557 internal_f.f_flags = F_LNNO;
2558 if (reloc_size == 0)
2559 internal_f.f_flags |= F_RELFLG;
2560 if (bfd_get_symcount (abfd) == 0)
2561 internal_f.f_flags |= F_LSYMS;
2562 if (abfd->flags & EXEC_P)
2563 internal_f.f_flags |= F_EXEC;
2565 if (! abfd->xvec->byteorder_big_p)
2566 internal_f.f_flags |= F_AR32WR;
2568 internal_f.f_flags |= F_AR32W;
2570 /* Set up the ``optional'' header. */
2571 if ((abfd->flags & D_PAGED) != 0)
2572 internal_a.magic = ECOFF_AOUT_ZMAGIC;
2574 internal_a.magic = ECOFF_AOUT_OMAGIC;
2576 /* FIXME: Is this really correct? */
2577 internal_a.vstamp = symhdr->vstamp;
2579 /* At least on Ultrix, these have to be rounded to page boundaries.
2580 FIXME: Is this true on other platforms? */
2581 if ((abfd->flags & D_PAGED) != 0)
2583 internal_a.tsize = (text_size + round - 1) &~ (round - 1);
2584 internal_a.text_start = text_start &~ (round - 1);
2585 internal_a.dsize = (data_size + round - 1) &~ (round - 1);
2586 internal_a.data_start = data_start &~ (round - 1);
2590 internal_a.tsize = text_size;
2591 internal_a.text_start = text_start;
2592 internal_a.dsize = data_size;
2593 internal_a.data_start = data_start;
2596 /* On Ultrix, the initial portions of the .sbss and .bss segments
2597 are at the end of the data section. The bsize field in the
2598 optional header records how many bss bytes are required beyond
2599 those in the data section. The value is not rounded to a page
2601 if (bss_size < internal_a.dsize - data_size)
2604 bss_size -= internal_a.dsize - data_size;
2605 internal_a.bsize = bss_size;
2606 internal_a.bss_start = internal_a.data_start + internal_a.dsize;
2608 internal_a.entry = bfd_get_start_address (abfd);
2610 internal_a.gp_value = ecoff_data (abfd)->gp;
2612 internal_a.gprmask = ecoff_data (abfd)->gprmask;
2613 internal_a.fprmask = ecoff_data (abfd)->fprmask;
2614 for (i = 0; i < 4; i++)
2615 internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i];
2617 /* Write out the file header and the optional header. */
2619 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
2622 bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, buff);
2623 if (bfd_write (buff, 1, filhsz, abfd) != filhsz)
2626 bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, buff);
2627 if (bfd_write (buff, 1, aoutsz, abfd) != aoutsz)
2630 /* Build the external symbol information. This must be done before
2631 writing out the relocs so that we know the symbol indices. We
2632 don't do this if this BFD was created by the backend linker,
2633 since it will have already handled the symbols and relocs. */
2634 if (! ecoff_data (abfd)->linker)
2636 symhdr->iextMax = 0;
2637 symhdr->issExtMax = 0;
2638 debug->external_ext = debug->external_ext_end = NULL;
2639 debug->ssext = debug->ssext_end = NULL;
2640 if (bfd_ecoff_debug_externals (abfd, debug, &backend->debug_swap,
2641 (((abfd->flags & EXEC_P) == 0)
2643 ecoff_get_extr, ecoff_set_index)
2647 /* Write out the relocs. */
2648 for (current = abfd->sections;
2649 current != (asection *) NULL;
2650 current = current->next)
2652 arelent **reloc_ptr_ptr;
2653 arelent **reloc_end;
2656 if (current->reloc_count == 0)
2660 bfd_alloc (abfd, current->reloc_count * external_reloc_size);
2661 if (reloc_buff == NULL)
2663 bfd_set_error (bfd_error_no_memory);
2667 reloc_ptr_ptr = current->orelocation;
2668 reloc_end = reloc_ptr_ptr + current->reloc_count;
2669 out_ptr = (char *) reloc_buff;
2671 reloc_ptr_ptr < reloc_end;
2672 reloc_ptr_ptr++, out_ptr += external_reloc_size)
2676 struct internal_reloc in;
2678 memset ((PTR) &in, 0, sizeof in);
2680 reloc = *reloc_ptr_ptr;
2681 sym = *reloc->sym_ptr_ptr;
2683 in.r_vaddr = (reloc->address
2684 + bfd_get_section_vma (abfd, current));
2685 in.r_type = reloc->howto->type;
2687 if ((sym->flags & BSF_SECTION_SYM) == 0)
2689 in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr);
2696 name = bfd_get_section_name (abfd, bfd_get_section (sym));
2697 if (strcmp (name, ".text") == 0)
2698 in.r_symndx = RELOC_SECTION_TEXT;
2699 else if (strcmp (name, ".rdata") == 0)
2700 in.r_symndx = RELOC_SECTION_RDATA;
2701 else if (strcmp (name, ".data") == 0)
2702 in.r_symndx = RELOC_SECTION_DATA;
2703 else if (strcmp (name, ".sdata") == 0)
2704 in.r_symndx = RELOC_SECTION_SDATA;
2705 else if (strcmp (name, ".sbss") == 0)
2706 in.r_symndx = RELOC_SECTION_SBSS;
2707 else if (strcmp (name, ".bss") == 0)
2708 in.r_symndx = RELOC_SECTION_BSS;
2709 else if (strcmp (name, ".init") == 0)
2710 in.r_symndx = RELOC_SECTION_INIT;
2711 else if (strcmp (name, ".lit8") == 0)
2712 in.r_symndx = RELOC_SECTION_LIT8;
2713 else if (strcmp (name, ".lit4") == 0)
2714 in.r_symndx = RELOC_SECTION_LIT4;
2715 else if (strcmp (name, ".xdata") == 0)
2716 in.r_symndx = RELOC_SECTION_XDATA;
2717 else if (strcmp (name, ".pdata") == 0)
2718 in.r_symndx = RELOC_SECTION_PDATA;
2719 else if (strcmp (name, ".fini") == 0)
2720 in.r_symndx = RELOC_SECTION_FINI;
2721 else if (strcmp (name, ".lita") == 0)
2722 in.r_symndx = RELOC_SECTION_LITA;
2723 else if (strcmp (name, "*ABS*") == 0)
2724 in.r_symndx = RELOC_SECTION_ABS;
2730 (*adjust_reloc_out) (abfd, reloc, &in);
2732 (*swap_reloc_out) (abfd, &in, (PTR) out_ptr);
2735 if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0)
2737 if (bfd_write (reloc_buff,
2738 external_reloc_size, current->reloc_count, abfd)
2739 != external_reloc_size * current->reloc_count)
2741 bfd_release (abfd, reloc_buff);
2745 /* Write out the symbolic debugging information. */
2746 if (bfd_get_symcount (abfd) > 0)
2748 /* Write out the debugging information. */
2749 if (bfd_ecoff_write_debug (abfd, debug, &backend->debug_swap,
2750 ecoff_data (abfd)->sym_filepos)
2756 /* The .bss section of a demand paged executable must receive an
2757 entire page. If there are symbols, the symbols will start on the
2758 next page. If there are no symbols, we must fill out the page by
2760 if (bfd_get_symcount (abfd) == 0
2761 && (abfd->flags & EXEC_P) != 0
2762 && (abfd->flags & D_PAGED) != 0)
2766 if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1,
2769 if (bfd_read (&c, 1, 1, abfd) == 0)
2771 if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1,
2774 if (bfd_write (&c, 1, 1, abfd) != 1)
2778 if (reloc_buff != NULL)
2779 bfd_release (abfd, reloc_buff);
2784 if (reloc_buff != NULL)
2785 bfd_release (abfd, reloc_buff);
2791 /* Archive handling. ECOFF uses what appears to be a unique type of
2792 archive header (armap). The byte ordering of the armap and the
2793 contents are encoded in the name of the armap itself. At least for
2794 now, we only support archives with the same byte ordering in the
2795 armap and the contents.
2797 The first four bytes in the armap are the number of symbol
2798 definitions. This is always a power of two.
2800 This is followed by the symbol definitions. Each symbol definition
2801 occupies 8 bytes. The first four bytes are the offset from the
2802 start of the armap strings to the null-terminated string naming
2803 this symbol. The second four bytes are the file offset to the
2804 archive member which defines this symbol. If the second four bytes
2805 are 0, then this is not actually a symbol definition, and it should
2808 The symbols are hashed into the armap with a closed hashing scheme.
2809 See the functions below for the details of the algorithm.
2811 After the symbol definitions comes four bytes holding the size of
2812 the string table, followed by the string table itself. */
2814 /* The name of an archive headers looks like this:
2815 __________E[BL]E[BL]_ (with a trailing space).
2816 The trailing space is changed to an X if the archive is changed to
2817 indicate that the armap is out of date.
2819 The Alpha seems to use ________64E[BL]E[BL]_. */
2821 #define ARMAP_BIG_ENDIAN 'B'
2822 #define ARMAP_LITTLE_ENDIAN 'L'
2823 #define ARMAP_MARKER 'E'
2824 #define ARMAP_START_LENGTH 10
2825 #define ARMAP_HEADER_MARKER_INDEX 10
2826 #define ARMAP_HEADER_ENDIAN_INDEX 11
2827 #define ARMAP_OBJECT_MARKER_INDEX 12
2828 #define ARMAP_OBJECT_ENDIAN_INDEX 13
2829 #define ARMAP_END_INDEX 14
2830 #define ARMAP_END "_ "
2832 /* This is a magic number used in the hashing algorithm. */
2833 #define ARMAP_HASH_MAGIC 0x9dd68ab5
2835 /* This returns the hash value to use for a string. It also sets
2836 *REHASH to the rehash adjustment if the first slot is taken. SIZE
2837 is the number of entries in the hash table, and HLOG is the log
2841 ecoff_armap_hash (s, rehash, size, hlog)
2843 unsigned int *rehash;
2851 hash = ((hash >> 27) | (hash << 5)) + *s++;
2852 hash *= ARMAP_HASH_MAGIC;
2853 *rehash = (hash & (size - 1)) | 1;
2854 return hash >> (32 - hlog);
2857 /* Read in the armap. */
2860 _bfd_ecoff_slurp_armap (abfd)
2865 struct areltdata *mapdata;
2866 bfd_size_type parsed_size;
2868 struct artdata *ardata;
2871 struct symdef *symdef_ptr;
2874 /* Get the name of the first element. */
2875 i = bfd_read ((PTR) nextname, 1, 16, abfd);
2881 if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
2884 /* Irix 4.0.5F apparently can use either an ECOFF armap or a
2885 standard COFF armap. We could move the ECOFF armap stuff into
2886 bfd_slurp_armap, but that seems inappropriate since no other
2887 target uses this format. Instead, we check directly for a COFF
2889 if (strncmp (nextname, "/ ", 16) == 0)
2890 return bfd_slurp_armap (abfd);
2892 /* See if the first element is an armap. */
2893 if (strncmp (nextname, ecoff_backend (abfd)->armap_start,
2894 ARMAP_START_LENGTH) != 0
2895 || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER
2896 || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN
2897 && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN)
2898 || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER
2899 || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN
2900 && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN)
2901 || strncmp (nextname + ARMAP_END_INDEX,
2902 ARMAP_END, sizeof ARMAP_END - 1) != 0)
2904 bfd_has_map (abfd) = false;
2908 /* Make sure we have the right byte ordering. */
2909 if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN)
2910 ^ (abfd->xvec->header_byteorder_big_p != false))
2911 || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN)
2912 ^ (abfd->xvec->byteorder_big_p != false)))
2914 bfd_set_error (bfd_error_wrong_format);
2918 /* Read in the armap. */
2919 ardata = bfd_ardata (abfd);
2920 mapdata = _bfd_snarf_ar_hdr (abfd);
2921 if (mapdata == (struct areltdata *) NULL)
2923 parsed_size = mapdata->parsed_size;
2924 bfd_release (abfd, (PTR) mapdata);
2926 raw_armap = (char *) bfd_alloc (abfd, parsed_size);
2927 if (raw_armap == (char *) NULL)
2929 bfd_set_error (bfd_error_no_memory);
2933 if (bfd_read ((PTR) raw_armap, 1, parsed_size, abfd) != parsed_size)
2935 if (bfd_get_error () != bfd_error_system_call)
2936 bfd_set_error (bfd_error_malformed_archive);
2937 bfd_release (abfd, (PTR) raw_armap);
2941 ardata->tdata = (PTR) raw_armap;
2943 count = bfd_h_get_32 (abfd, (PTR) raw_armap);
2945 ardata->symdef_count = 0;
2946 ardata->cache = (struct ar_cache *) NULL;
2948 /* This code used to overlay the symdefs over the raw archive data,
2949 but that doesn't work on a 64 bit host. */
2951 stringbase = raw_armap + count * 8 + 8;
2953 #ifdef CHECK_ARMAP_HASH
2957 /* Double check that I have the hashing algorithm right by making
2958 sure that every symbol can be looked up successfully. */
2960 for (i = 1; i < count; i <<= 1)
2962 BFD_ASSERT (i == count);
2964 raw_ptr = raw_armap + 4;
2965 for (i = 0; i < count; i++, raw_ptr += 8)
2967 unsigned int name_offset, file_offset;
2968 unsigned int hash, rehash, srch;
2970 name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr);
2971 file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4));
2972 if (file_offset == 0)
2974 hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count,
2979 /* See if we can rehash to this location. */
2980 for (srch = (hash + rehash) & (count - 1);
2981 srch != hash && srch != i;
2982 srch = (srch + rehash) & (count - 1))
2983 BFD_ASSERT (bfd_h_get_32 (abfd, (PTR) (raw_armap + 8 + srch * 8))
2985 BFD_ASSERT (srch == i);
2989 #endif /* CHECK_ARMAP_HASH */
2991 raw_ptr = raw_armap + 4;
2992 for (i = 0; i < count; i++, raw_ptr += 8)
2993 if (bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4)) != 0)
2994 ++ardata->symdef_count;
2996 symdef_ptr = ((struct symdef *)
2998 ardata->symdef_count * sizeof (struct symdef)));
3001 bfd_set_error (bfd_error_no_memory);
3005 ardata->symdefs = (carsym *) symdef_ptr;
3007 raw_ptr = raw_armap + 4;
3008 for (i = 0; i < count; i++, raw_ptr += 8)
3010 unsigned int name_offset, file_offset;
3012 file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4));
3013 if (file_offset == 0)
3015 name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr);
3016 symdef_ptr->s.name = stringbase + name_offset;
3017 symdef_ptr->file_offset = file_offset;
3021 ardata->first_file_filepos = bfd_tell (abfd);
3022 /* Pad to an even boundary. */
3023 ardata->first_file_filepos += ardata->first_file_filepos % 2;
3025 bfd_has_map (abfd) = true;
3030 /* Write out an armap. */
3033 _bfd_ecoff_write_armap (abfd, elength, map, orl_count, stridx)
3035 unsigned int elength;
3037 unsigned int orl_count;
3040 unsigned int hashsize, hashlog;
3041 unsigned int symdefsize;
3043 unsigned int stringsize;
3044 unsigned int mapsize;
3047 struct stat statbuf;
3050 bfd_byte *hashtable;
3054 /* Ultrix appears to use as a hash table size the least power of two
3055 greater than twice the number of entries. */
3056 for (hashlog = 0; (1 << hashlog) <= 2 * orl_count; hashlog++)
3058 hashsize = 1 << hashlog;
3060 symdefsize = hashsize * 8;
3062 stringsize = stridx + padit;
3064 /* Include 8 bytes to store symdefsize and stringsize in output. */
3065 mapsize = symdefsize + stringsize + 8;
3067 firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength;
3069 memset ((PTR) &hdr, 0, sizeof hdr);
3071 /* Work out the ECOFF armap name. */
3072 strcpy (hdr.ar_name, ecoff_backend (abfd)->armap_start);
3073 hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER;
3074 hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] =
3075 (abfd->xvec->header_byteorder_big_p
3077 : ARMAP_LITTLE_ENDIAN);
3078 hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER;
3079 hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] =
3080 abfd->xvec->byteorder_big_p ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN;
3081 memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1);
3083 /* Write the timestamp of the archive header to be just a little bit
3084 later than the timestamp of the file, otherwise the linker will
3085 complain that the index is out of date. Actually, the Ultrix
3086 linker just checks the archive name; the GNU linker may check the
3088 stat (abfd->filename, &statbuf);
3089 sprintf (hdr.ar_date, "%ld", (long) (statbuf.st_mtime + 60));
3091 /* The DECstation uses zeroes for the uid, gid and mode of the
3093 hdr.ar_uid[0] = '0';
3094 hdr.ar_gid[0] = '0';
3095 hdr.ar_mode[0] = '0';
3097 sprintf (hdr.ar_size, "%-10d", (int) mapsize);
3099 hdr.ar_fmag[0] = '`';
3100 hdr.ar_fmag[1] = '\012';
3102 /* Turn all null bytes in the header into spaces. */
3103 for (i = 0; i < sizeof (struct ar_hdr); i++)
3104 if (((char *)(&hdr))[i] == '\0')
3105 (((char *)(&hdr))[i]) = ' ';
3107 if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), abfd)
3108 != sizeof (struct ar_hdr))
3111 bfd_h_put_32 (abfd, (bfd_vma) hashsize, temp);
3112 if (bfd_write ((PTR) temp, 1, 4, abfd) != 4)
3115 hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize);
3118 bfd_set_error (bfd_error_no_memory);
3122 current = abfd->archive_head;
3124 for (i = 0; i < orl_count; i++)
3126 unsigned int hash, rehash;
3128 /* Advance firstreal to the file position of this archive
3130 if (((bfd *) map[i].pos) != last_elt)
3134 firstreal += arelt_size (current) + sizeof (struct ar_hdr);
3135 firstreal += firstreal % 2;
3136 current = current->next;
3138 while (current != (bfd *) map[i].pos);
3143 hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog);
3144 if (bfd_h_get_32 (abfd, (PTR) (hashtable + (hash * 8) + 4)) != 0)
3148 /* The desired slot is already taken. */
3149 for (srch = (hash + rehash) & (hashsize - 1);
3151 srch = (srch + rehash) & (hashsize - 1))
3152 if (bfd_h_get_32 (abfd, (PTR) (hashtable + (srch * 8) + 4)) == 0)
3155 BFD_ASSERT (srch != hash);
3160 bfd_h_put_32 (abfd, (bfd_vma) map[i].namidx,
3161 (PTR) (hashtable + hash * 8));
3162 bfd_h_put_32 (abfd, (bfd_vma) firstreal,
3163 (PTR) (hashtable + hash * 8 + 4));
3166 if (bfd_write ((PTR) hashtable, 1, symdefsize, abfd) != symdefsize)
3169 bfd_release (abfd, hashtable);
3171 /* Now write the strings. */
3172 bfd_h_put_32 (abfd, (bfd_vma) stringsize, temp);
3173 if (bfd_write ((PTR) temp, 1, 4, abfd) != 4)
3175 for (i = 0; i < orl_count; i++)
3179 len = strlen (*map[i].name) + 1;
3180 if (bfd_write ((PTR) (*map[i].name), 1, len, abfd) != len)
3184 /* The spec sez this should be a newline. But in order to be
3185 bug-compatible for DECstation ar we use a null. */
3188 if (bfd_write ("", 1, 1, abfd) != 1)
3195 /* See whether this BFD is an archive. If it is, read in the armap
3196 and the extended name table. */
3199 _bfd_ecoff_archive_p (abfd)
3202 char armag[SARMAG + 1];
3204 if (bfd_read ((PTR) armag, 1, SARMAG, abfd) != SARMAG
3205 || strncmp (armag, ARMAG, SARMAG) != 0)
3207 if (bfd_get_error () != bfd_error_system_call)
3208 bfd_set_error (bfd_error_wrong_format);
3209 return (const bfd_target *) NULL;
3212 /* We are setting bfd_ardata(abfd) here, but since bfd_ardata
3213 involves a cast, we can't do it as the left operand of
3215 abfd->tdata.aout_ar_data =
3216 (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata));
3218 if (bfd_ardata (abfd) == (struct artdata *) NULL)
3220 bfd_set_error (bfd_error_no_memory);
3221 return (const bfd_target *) NULL;
3224 bfd_ardata (abfd)->first_file_filepos = SARMAG;
3225 bfd_ardata (abfd)->cache = NULL;
3226 bfd_ardata (abfd)->archive_head = NULL;
3227 bfd_ardata (abfd)->symdefs = NULL;
3228 bfd_ardata (abfd)->extended_names = NULL;
3229 bfd_ardata (abfd)->tdata = NULL;
3231 if (_bfd_ecoff_slurp_armap (abfd) == false
3232 || _bfd_ecoff_slurp_extended_name_table (abfd) == false)
3234 bfd_release (abfd, bfd_ardata (abfd));
3235 abfd->tdata.aout_ar_data = (struct artdata *) NULL;
3236 return (const bfd_target *) NULL;
3242 /* ECOFF linker code. */
3244 static struct bfd_hash_entry *ecoff_link_hash_newfunc
3245 PARAMS ((struct bfd_hash_entry *entry,
3246 struct bfd_hash_table *table,
3247 const char *string));
3248 static boolean ecoff_link_add_archive_symbols
3249 PARAMS ((bfd *, struct bfd_link_info *));
3250 static boolean ecoff_link_check_archive_element
3251 PARAMS ((bfd *, struct bfd_link_info *, boolean *pneeded));
3252 static boolean ecoff_link_add_object_symbols
3253 PARAMS ((bfd *, struct bfd_link_info *));
3254 static boolean ecoff_link_add_externals
3255 PARAMS ((bfd *, struct bfd_link_info *, PTR, char *));
3257 /* Routine to create an entry in an ECOFF link hash table. */
3259 static struct bfd_hash_entry *
3260 ecoff_link_hash_newfunc (entry, table, string)
3261 struct bfd_hash_entry *entry;
3262 struct bfd_hash_table *table;
3265 struct ecoff_link_hash_entry *ret = (struct ecoff_link_hash_entry *) entry;
3267 /* Allocate the structure if it has not already been allocated by a
3269 if (ret == (struct ecoff_link_hash_entry *) NULL)
3270 ret = ((struct ecoff_link_hash_entry *)
3271 bfd_hash_allocate (table, sizeof (struct ecoff_link_hash_entry)));
3272 if (ret == (struct ecoff_link_hash_entry *) NULL)
3274 bfd_set_error (bfd_error_no_memory);
3278 /* Call the allocation method of the superclass. */
3279 ret = ((struct ecoff_link_hash_entry *)
3280 _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3285 /* Set local fields. */
3291 memset ((PTR) &ret->esym, 0, sizeof ret->esym);
3293 return (struct bfd_hash_entry *) ret;
3296 /* Create an ECOFF link hash table. */
3298 struct bfd_link_hash_table *
3299 _bfd_ecoff_bfd_link_hash_table_create (abfd)
3302 struct ecoff_link_hash_table *ret;
3304 ret = ((struct ecoff_link_hash_table *)
3305 malloc (sizeof (struct ecoff_link_hash_table)));
3308 bfd_set_error (bfd_error_no_memory);
3311 if (! _bfd_link_hash_table_init (&ret->root, abfd,
3312 ecoff_link_hash_newfunc))
3315 return (struct bfd_link_hash_table *) NULL;
3320 /* Look up an entry in an ECOFF link hash table. */
3322 #define ecoff_link_hash_lookup(table, string, create, copy, follow) \
3323 ((struct ecoff_link_hash_entry *) \
3324 bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
3326 /* Traverse an ECOFF link hash table. */
3328 #define ecoff_link_hash_traverse(table, func, info) \
3329 (bfd_link_hash_traverse \
3331 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
3334 /* Get the ECOFF link hash table from the info structure. This is
3337 #define ecoff_hash_table(p) ((struct ecoff_link_hash_table *) ((p)->hash))
3339 /* Given an ECOFF BFD, add symbols to the global hash table as
3343 _bfd_ecoff_bfd_link_add_symbols (abfd, info)
3345 struct bfd_link_info *info;
3347 switch (bfd_get_format (abfd))
3350 return ecoff_link_add_object_symbols (abfd, info);
3352 return ecoff_link_add_archive_symbols (abfd, info);
3354 bfd_set_error (bfd_error_wrong_format);
3359 /* Add the symbols from an archive file to the global hash table.
3360 This looks through the undefined symbols, looks each one up in the
3361 archive hash table, and adds any associated object file. We do not
3362 use _bfd_generic_link_add_archive_symbols because ECOFF archives
3363 already have a hash table, so there is no reason to construct
3367 ecoff_link_add_archive_symbols (abfd, info)
3369 struct bfd_link_info *info;
3371 const bfd_byte *raw_armap;
3372 struct bfd_link_hash_entry **pundef;
3373 unsigned int armap_count;
3374 unsigned int armap_log;
3376 const bfd_byte *hashtable;
3377 const char *stringbase;
3379 if (! bfd_has_map (abfd))
3381 /* An empty archive is a special case. */
3382 if (bfd_openr_next_archived_file (abfd, (bfd *) NULL) == NULL)
3384 bfd_set_error (bfd_error_no_armap);
3388 /* If we don't have any raw data for this archive, as can happen on
3389 Irix 4.0.5F, we call the generic routine.
3390 FIXME: We should be more clever about this, since someday tdata
3391 may get to something for a generic archive. */
3392 raw_armap = (const bfd_byte *) bfd_ardata (abfd)->tdata;
3393 if (raw_armap == (bfd_byte *) NULL)
3394 return (_bfd_generic_link_add_archive_symbols
3395 (abfd, info, ecoff_link_check_archive_element));
3397 armap_count = bfd_h_get_32 (abfd, raw_armap);
3400 for (i = 1; i < armap_count; i <<= 1)
3402 BFD_ASSERT (i == armap_count);
3404 hashtable = raw_armap + 4;
3405 stringbase = (const char *) raw_armap + armap_count * 8 + 8;
3407 /* Look through the list of undefined symbols. */
3408 pundef = &info->hash->undefs;
3409 while (*pundef != (struct bfd_link_hash_entry *) NULL)
3411 struct bfd_link_hash_entry *h;
3412 unsigned int hash, rehash;
3413 unsigned int file_offset;
3419 /* When a symbol is defined, it is not necessarily removed from
3421 if (h->type != bfd_link_hash_undefined
3422 && h->type != bfd_link_hash_common)
3424 /* Remove this entry from the list, for general cleanliness
3425 and because we are going to look through the list again
3426 if we search any more libraries. We can't remove the
3427 entry if it is the tail, because that would lose any
3428 entries we add to the list later on. */
3429 if (*pundef != info->hash->undefs_tail)
3430 *pundef = (*pundef)->next;
3432 pundef = &(*pundef)->next;
3436 /* Native ECOFF linkers do not pull in archive elements merely
3437 to satisfy common definitions, so neither do we. We leave
3438 them on the list, though, in case we are linking against some
3439 other object format. */
3440 if (h->type != bfd_link_hash_undefined)
3442 pundef = &(*pundef)->next;
3446 /* Look for this symbol in the archive hash table. */
3447 hash = ecoff_armap_hash (h->root.string, &rehash, armap_count,
3450 file_offset = bfd_h_get_32 (abfd, hashtable + (hash * 8) + 4);
3451 if (file_offset == 0)
3453 /* Nothing in this slot. */
3454 pundef = &(*pundef)->next;
3458 name = stringbase + bfd_h_get_32 (abfd, hashtable + (hash * 8));
3459 if (name[0] != h->root.string[0]
3460 || strcmp (name, h->root.string) != 0)
3465 /* That was the wrong symbol. Try rehashing. */
3467 for (srch = (hash + rehash) & (armap_count - 1);
3469 srch = (srch + rehash) & (armap_count - 1))
3471 file_offset = bfd_h_get_32 (abfd, hashtable + (srch * 8) + 4);
3472 if (file_offset == 0)
3474 name = stringbase + bfd_h_get_32 (abfd, hashtable + (srch * 8));
3475 if (name[0] == h->root.string[0]
3476 && strcmp (name, h->root.string) == 0)
3485 pundef = &(*pundef)->next;
3492 element = _bfd_get_elt_at_filepos (abfd, file_offset);
3493 if (element == (bfd *) NULL)
3496 if (! bfd_check_format (element, bfd_object))
3499 /* Unlike the generic linker, we know that this element provides
3500 a definition for an undefined symbol and we know that we want
3501 to include it. We don't need to check anything. */
3502 if (! (*info->callbacks->add_archive_element) (info, element, name))
3504 if (! ecoff_link_add_object_symbols (element, info))
3507 pundef = &(*pundef)->next;
3513 /* This is called if we used _bfd_generic_link_add_archive_symbols
3514 because we were not dealing with an ECOFF archive. */
3517 ecoff_link_check_archive_element (abfd, info, pneeded)
3519 struct bfd_link_info *info;
3522 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
3523 void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *))
3524 = backend->debug_swap.swap_ext_in;
3526 bfd_size_type external_ext_size;
3527 PTR external_ext = NULL;
3535 if (! ecoff_slurp_symbolic_header (abfd))
3538 /* If there are no symbols, we don't want it. */
3539 if (bfd_get_symcount (abfd) == 0)
3540 goto successful_return;
3542 symhdr = &ecoff_data (abfd)->debug_info.symbolic_header;
3544 /* Read in the external symbols and external strings. */
3545 external_ext_size = backend->debug_swap.external_ext_size;
3546 esize = symhdr->iextMax * external_ext_size;
3547 external_ext = (PTR) malloc (esize);
3548 if (external_ext == NULL && esize != 0)
3550 bfd_set_error (bfd_error_no_memory);
3554 if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0
3555 || bfd_read (external_ext, 1, esize, abfd) != esize)
3558 ssext = (char *) malloc (symhdr->issExtMax);
3559 if (ssext == NULL && symhdr->issExtMax != 0)
3561 bfd_set_error (bfd_error_no_memory);
3565 if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0
3566 || bfd_read (ssext, 1, symhdr->issExtMax, abfd) != symhdr->issExtMax)
3569 /* Look through the external symbols to see if they define some
3570 symbol that is currently undefined. */
3571 ext_ptr = (char *) external_ext;
3572 ext_end = ext_ptr + esize;
3573 for (; ext_ptr < ext_end; ext_ptr += external_ext_size)
3578 struct bfd_link_hash_entry *h;
3580 (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym);
3582 /* See if this symbol defines something. */
3583 if (esym.asym.st != stGlobal
3584 && esym.asym.st != stLabel
3585 && esym.asym.st != stProc)
3588 switch (esym.asym.sc)
3611 name = ssext + esym.asym.iss;
3612 h = bfd_link_hash_lookup (info->hash, name, false, false, true);
3614 /* Unlike the generic linker, we do not pull in elements because
3615 of common symbols. */
3616 if (h == (struct bfd_link_hash_entry *) NULL
3617 || h->type != bfd_link_hash_undefined)
3620 /* Include this element. */
3621 if (! (*info->callbacks->add_archive_element) (info, abfd, name))
3623 if (! ecoff_link_add_externals (abfd, info, external_ext, ssext))
3627 goto successful_return;
3631 if (external_ext != NULL)
3632 free (external_ext);
3637 if (external_ext != NULL)
3638 free (external_ext);
3644 /* Add symbols from an ECOFF object file to the global linker hash
3648 ecoff_link_add_object_symbols (abfd, info)
3650 struct bfd_link_info *info;
3653 bfd_size_type external_ext_size;
3654 PTR external_ext = NULL;
3659 if (! ecoff_slurp_symbolic_header (abfd))
3662 /* If there are no symbols, we don't want it. */
3663 if (bfd_get_symcount (abfd) == 0)
3666 symhdr = &ecoff_data (abfd)->debug_info.symbolic_header;
3668 /* Read in the external symbols and external strings. */
3669 external_ext_size = ecoff_backend (abfd)->debug_swap.external_ext_size;
3670 esize = symhdr->iextMax * external_ext_size;
3671 external_ext = (PTR) malloc (esize);
3672 if (external_ext == NULL && esize != 0)
3674 bfd_set_error (bfd_error_no_memory);
3678 if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0
3679 || bfd_read (external_ext, 1, esize, abfd) != esize)
3682 ssext = (char *) malloc (symhdr->issExtMax);
3683 if (ssext == NULL && symhdr->issExtMax != 0)
3685 bfd_set_error (bfd_error_no_memory);
3689 if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0
3690 || bfd_read (ssext, 1, symhdr->issExtMax, abfd) != symhdr->issExtMax)
3693 result = ecoff_link_add_externals (abfd, info, external_ext, ssext);
3697 if (external_ext != NULL)
3698 free (external_ext);
3704 if (external_ext != NULL)
3705 free (external_ext);
3709 /* Add the external symbols of an object file to the global linker
3710 hash table. The external symbols and strings we are passed are
3711 just allocated on the stack, and will be discarded. We must
3712 explicitly save any information we may need later on in the link.
3713 We do not want to read the external symbol information again. */
3716 ecoff_link_add_externals (abfd, info, external_ext, ssext)
3718 struct bfd_link_info *info;
3722 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
3723 void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *))
3724 = backend->debug_swap.swap_ext_in;
3725 bfd_size_type external_ext_size = backend->debug_swap.external_ext_size;
3726 unsigned long ext_count;
3727 struct ecoff_link_hash_entry **sym_hash;
3731 ext_count = ecoff_data (abfd)->debug_info.symbolic_header.iextMax;
3733 sym_hash = ((struct ecoff_link_hash_entry **)
3735 ext_count * sizeof (struct bfd_link_hash_entry *)));
3738 bfd_set_error (bfd_error_no_memory);
3741 ecoff_data (abfd)->sym_hashes = sym_hash;
3743 ext_ptr = (char *) external_ext;
3744 ext_end = ext_ptr + ext_count * external_ext_size;
3745 for (; ext_ptr < ext_end; ext_ptr += external_ext_size, sym_hash++)
3752 struct ecoff_link_hash_entry *h;
3756 (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym);
3758 /* Skip debugging symbols. */
3760 switch (esym.asym.st)
3776 /* Get the information for this symbol. */
3777 value = esym.asym.value;
3778 switch (esym.asym.sc)
3798 section = bfd_make_section_old_way (abfd, ".text");
3799 value -= section->vma;
3802 section = bfd_make_section_old_way (abfd, ".data");
3803 value -= section->vma;
3806 section = bfd_make_section_old_way (abfd, ".bss");
3807 value -= section->vma;
3810 section = bfd_abs_section_ptr;
3813 section = bfd_und_section_ptr;
3816 section = bfd_make_section_old_way (abfd, ".sdata");
3817 value -= section->vma;
3820 section = bfd_make_section_old_way (abfd, ".sbss");
3821 value -= section->vma;
3824 section = bfd_make_section_old_way (abfd, ".rdata");
3825 value -= section->vma;
3828 if (value > ecoff_data (abfd)->gp_size)
3830 section = bfd_com_section_ptr;
3835 if (ecoff_scom_section.name == NULL)
3837 /* Initialize the small common section. */
3838 ecoff_scom_section.name = SCOMMON;
3839 ecoff_scom_section.flags = SEC_IS_COMMON;
3840 ecoff_scom_section.output_section = &ecoff_scom_section;
3841 ecoff_scom_section.symbol = &ecoff_scom_symbol;
3842 ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr;
3843 ecoff_scom_symbol.name = SCOMMON;
3844 ecoff_scom_symbol.flags = BSF_SECTION_SYM;
3845 ecoff_scom_symbol.section = &ecoff_scom_section;
3846 ecoff_scom_symbol_ptr = &ecoff_scom_symbol;
3848 section = &ecoff_scom_section;
3851 section = bfd_und_section_ptr;
3854 section = bfd_make_section_old_way (abfd, ".init");
3855 value -= section->vma;
3858 section = bfd_make_section_old_way (abfd, ".fini");
3859 value -= section->vma;
3863 if (section == (asection *) NULL)
3866 name = ssext + esym.asym.iss;
3869 if (! (_bfd_generic_link_add_one_symbol
3870 (info, abfd, name, BSF_GLOBAL, section, value,
3871 (const char *) NULL, true, true,
3872 (struct bfd_link_hash_entry **) &h)))
3877 /* If we are building an ECOFF hash table, save the external
3878 symbol information. */
3879 if (info->hash->creator->flavour == bfd_get_flavour (abfd))
3881 if (h->abfd == (bfd *) NULL
3882 || (! bfd_is_und_section (section)
3883 && (! bfd_is_com_section (section)
3884 || (h->root.type != bfd_link_hash_defined
3885 && h->root.type != bfd_link_hash_defweak))))
3891 /* Remember whether this symbol was small undefined. */
3892 if (esym.asym.sc == scSUndefined)
3895 /* If this symbol was ever small undefined, it needs to wind
3896 up in a GP relative section. We can't control the
3897 section of a defined symbol, but we can control the
3898 section of a common symbol. This case is actually needed
3899 on Ultrix 4.2 to handle the symbol cred in -lckrb. */
3901 && h->root.type == bfd_link_hash_common
3902 && strcmp (h->root.u.c.p->section->name, SCOMMON) != 0)
3904 h->root.u.c.p->section = bfd_make_section_old_way (abfd,
3906 h->root.u.c.p->section->flags = SEC_ALLOC;
3907 if (h->esym.asym.sc == scCommon)
3908 h->esym.asym.sc = scSCommon;
3916 /* ECOFF final link routines. */
3918 static boolean ecoff_final_link_debug_accumulate
3919 PARAMS ((bfd *output_bfd, bfd *input_bfd, struct bfd_link_info *,
3921 static boolean ecoff_link_write_external
3922 PARAMS ((struct ecoff_link_hash_entry *, PTR));
3923 static boolean ecoff_indirect_link_order
3924 PARAMS ((bfd *, struct bfd_link_info *, asection *,
3925 struct bfd_link_order *));
3926 static boolean ecoff_reloc_link_order
3927 PARAMS ((bfd *, struct bfd_link_info *, asection *,
3928 struct bfd_link_order *));
3930 /* ECOFF final link routine. This looks through all the input BFDs
3931 and gathers together all the debugging information, and then
3932 processes all the link order information. This may cause it to
3933 close and reopen some input BFDs; I'll see how bad this is. */
3936 _bfd_ecoff_bfd_final_link (abfd, info)
3938 struct bfd_link_info *info;
3940 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
3941 struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info;
3944 register bfd *input_bfd;
3946 struct bfd_link_order *p;
3948 /* We accumulate the debugging information counts in the symbolic
3950 symhdr = &debug->symbolic_header;
3952 symhdr->ilineMax = 0;
3956 symhdr->isymMax = 0;
3957 symhdr->ioptMax = 0;
3958 symhdr->iauxMax = 0;
3960 symhdr->issExtMax = 0;
3963 symhdr->iextMax = 0;
3965 /* We accumulate the debugging information itself in the debug_info
3968 debug->external_dnr = NULL;
3969 debug->external_pdr = NULL;
3970 debug->external_sym = NULL;
3971 debug->external_opt = NULL;
3972 debug->external_aux = NULL;
3974 debug->ssext = debug->ssext_end = NULL;
3975 debug->external_fdr = NULL;
3976 debug->external_rfd = NULL;
3977 debug->external_ext = debug->external_ext_end = NULL;
3979 handle = bfd_ecoff_debug_init (abfd, debug, &backend->debug_swap, info);
3980 if (handle == (PTR) NULL)
3983 /* Accumulate the debugging symbols from each input BFD. */
3984 for (input_bfd = info->input_bfds;
3985 input_bfd != (bfd *) NULL;
3986 input_bfd = input_bfd->link_next)
3990 if (bfd_get_flavour (input_bfd) == bfd_target_ecoff_flavour)
3992 /* Abitrarily set the symbolic header vstamp to the vstamp
3993 of the first object file in the link. */
3994 if (symhdr->vstamp == 0)
3996 = ecoff_data (input_bfd)->debug_info.symbolic_header.vstamp;
3997 ret = ecoff_final_link_debug_accumulate (abfd, input_bfd, info,
4001 ret = bfd_ecoff_debug_accumulate_other (handle, abfd,
4002 debug, &backend->debug_swap,
4007 /* Combine the register masks. */
4008 ecoff_data (abfd)->gprmask |= ecoff_data (input_bfd)->gprmask;
4009 ecoff_data (abfd)->fprmask |= ecoff_data (input_bfd)->fprmask;
4010 ecoff_data (abfd)->cprmask[0] |= ecoff_data (input_bfd)->cprmask[0];
4011 ecoff_data (abfd)->cprmask[1] |= ecoff_data (input_bfd)->cprmask[1];
4012 ecoff_data (abfd)->cprmask[2] |= ecoff_data (input_bfd)->cprmask[2];
4013 ecoff_data (abfd)->cprmask[3] |= ecoff_data (input_bfd)->cprmask[3];
4016 /* Write out the external symbols. */
4017 ecoff_link_hash_traverse (ecoff_hash_table (info),
4018 ecoff_link_write_external,
4021 if (info->relocateable)
4023 /* We need to make a pass over the link_orders to count up the
4024 number of relocations we will need to output, so that we know
4025 how much space they will take up. */
4026 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
4029 for (p = o->link_order_head;
4030 p != (struct bfd_link_order *) NULL;
4032 if (p->type == bfd_indirect_link_order)
4033 o->reloc_count += p->u.indirect.section->reloc_count;
4034 else if (p->type == bfd_section_reloc_link_order
4035 || p->type == bfd_symbol_reloc_link_order)
4040 /* Compute the reloc and symbol file positions. */
4041 ecoff_compute_reloc_file_positions (abfd);
4043 /* Write out the debugging information. */
4044 if (! bfd_ecoff_write_accumulated_debug (handle, abfd, debug,
4045 &backend->debug_swap, info,
4046 ecoff_data (abfd)->sym_filepos))
4049 bfd_ecoff_debug_free (handle, abfd, debug, &backend->debug_swap, info);
4051 if (info->relocateable)
4053 /* Now reset the reloc_count field of the sections in the output
4054 BFD to 0, so that we can use them to keep track of how many
4055 relocs we have output thus far. */
4056 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
4060 /* Get a value for the GP register. */
4061 if (ecoff_data (abfd)->gp == 0)
4063 struct bfd_link_hash_entry *h;
4065 h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true);
4066 if (h != (struct bfd_link_hash_entry *) NULL
4067 && h->type == bfd_link_hash_defined)
4068 ecoff_data (abfd)->gp = (h->u.def.value
4069 + h->u.def.section->output_section->vma
4070 + h->u.def.section->output_offset);
4071 else if (info->relocateable)
4075 /* Make up a value. */
4077 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
4080 && (strcmp (o->name, _SBSS) == 0
4081 || strcmp (o->name, _SDATA) == 0
4082 || strcmp (o->name, _LIT4) == 0
4083 || strcmp (o->name, _LIT8) == 0
4084 || strcmp (o->name, _LITA) == 0))
4087 ecoff_data (abfd)->gp = lo + 0x8000;
4091 /* If the relocate_section function needs to do a reloc
4092 involving the GP value, it should make a reloc_dangerous
4093 callback to warn that GP is not defined. */
4097 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
4099 for (p = o->link_order_head;
4100 p != (struct bfd_link_order *) NULL;
4103 if (p->type == bfd_indirect_link_order
4104 && (bfd_get_flavour (p->u.indirect.section->owner)
4105 == bfd_target_ecoff_flavour))
4107 if (! ecoff_indirect_link_order (abfd, info, o, p))
4110 else if (p->type == bfd_section_reloc_link_order
4111 || p->type == bfd_symbol_reloc_link_order)
4113 if (! ecoff_reloc_link_order (abfd, info, o, p))
4118 if (! _bfd_default_link_order (abfd, info, o, p))
4124 bfd_get_symcount (abfd) = symhdr->iextMax + symhdr->isymMax;
4126 ecoff_data (abfd)->linker = true;
4131 /* Accumulate the debugging information for an input BFD into the
4132 output BFD. This must read in the symbolic information of the
4136 ecoff_final_link_debug_accumulate (output_bfd, input_bfd, info, handle)
4139 struct bfd_link_info *info;
4142 struct ecoff_debug_info * const debug = &ecoff_data (input_bfd)->debug_info;
4143 const struct ecoff_debug_swap * const swap =
4144 &ecoff_backend (input_bfd)->debug_swap;
4145 HDRR *symhdr = &debug->symbolic_header;
4148 #define READ(ptr, offset, count, size, type) \
4149 if (symhdr->count == 0) \
4150 debug->ptr = NULL; \
4153 debug->ptr = (type) malloc (size * symhdr->count); \
4154 if (debug->ptr == NULL) \
4156 bfd_set_error (bfd_error_no_memory); \
4158 goto return_something; \
4160 if ((bfd_seek (input_bfd, (file_ptr) symhdr->offset, SEEK_SET) \
4162 || (bfd_read (debug->ptr, size, symhdr->count, \
4163 input_bfd) != size * symhdr->count)) \
4166 goto return_something; \
4170 /* If raw_syments is not NULL, then the data was already by read by
4171 _bfd_ecoff_slurp_symbolic_info. */
4172 if (ecoff_data (input_bfd)->raw_syments == NULL)
4174 READ (line, cbLineOffset, cbLine, sizeof (unsigned char),
4176 READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, PTR);
4177 READ (external_pdr, cbPdOffset, ipdMax, swap->external_pdr_size, PTR);
4178 READ (external_sym, cbSymOffset, isymMax, swap->external_sym_size, PTR);
4179 READ (external_opt, cbOptOffset, ioptMax, swap->external_opt_size, PTR);
4180 READ (external_aux, cbAuxOffset, iauxMax, sizeof (union aux_ext),
4182 READ (ss, cbSsOffset, issMax, sizeof (char), char *);
4183 READ (external_fdr, cbFdOffset, ifdMax, swap->external_fdr_size, PTR);
4184 READ (external_rfd, cbRfdOffset, crfd, swap->external_rfd_size, PTR);
4188 /* We do not read the external strings or the external symbols. */
4190 ret = (bfd_ecoff_debug_accumulate
4191 (handle, output_bfd, &ecoff_data (output_bfd)->debug_info,
4192 &ecoff_backend (output_bfd)->debug_swap,
4193 input_bfd, debug, swap, info));
4196 if (ecoff_data (input_bfd)->raw_syments == NULL)
4198 if (debug->line != NULL)
4200 if (debug->external_dnr != NULL)
4201 free (debug->external_dnr);
4202 if (debug->external_pdr != NULL)
4203 free (debug->external_pdr);
4204 if (debug->external_sym != NULL)
4205 free (debug->external_sym);
4206 if (debug->external_opt != NULL)
4207 free (debug->external_opt);
4208 if (debug->external_aux != NULL)
4209 free (debug->external_aux);
4210 if (debug->ss != NULL)
4212 if (debug->external_fdr != NULL)
4213 free (debug->external_fdr);
4214 if (debug->external_rfd != NULL)
4215 free (debug->external_rfd);
4217 /* Make sure we don't accidentally follow one of these pointers
4218 into freed memory. */
4220 debug->external_dnr = NULL;
4221 debug->external_pdr = NULL;
4222 debug->external_sym = NULL;
4223 debug->external_opt = NULL;
4224 debug->external_aux = NULL;
4226 debug->external_fdr = NULL;
4227 debug->external_rfd = NULL;
4233 /* Put out information for an external symbol. These come only from
4237 ecoff_link_write_external (h, data)
4238 struct ecoff_link_hash_entry *h;
4241 bfd *output_bfd = (bfd *) data;
4243 /* FIXME: We should check if this symbol is being stripped. */
4248 if (h->abfd == (bfd *) NULL)
4251 h->esym.cobol_main = 0;
4252 h->esym.weakext = 0;
4253 h->esym.reserved = 0;
4254 h->esym.ifd = ifdNil;
4255 h->esym.asym.value = 0;
4256 h->esym.asym.st = stGlobal;
4258 if (h->root.type != bfd_link_hash_defined
4259 && h->root.type != bfd_link_hash_defweak)
4260 h->esym.asym.sc = scAbs;
4263 asection *output_section;
4266 output_section = h->root.u.def.section->output_section;
4267 name = bfd_section_name (output_section->owner, output_section);
4269 if (strcmp (name, _TEXT) == 0)
4270 h->esym.asym.sc = scText;
4271 else if (strcmp (name, _DATA) == 0)
4272 h->esym.asym.sc = scData;
4273 else if (strcmp (name, _SDATA) == 0)
4274 h->esym.asym.sc = scSData;
4275 else if (strcmp (name, _RDATA) == 0)
4276 h->esym.asym.sc = scRData;
4277 else if (strcmp (name, _BSS) == 0)
4278 h->esym.asym.sc = scBss;
4279 else if (strcmp (name, _SBSS) == 0)
4280 h->esym.asym.sc = scSBss;
4281 else if (strcmp (name, _INIT) == 0)
4282 h->esym.asym.sc = scInit;
4283 else if (strcmp (name, _FINI) == 0)
4284 h->esym.asym.sc = scFini;
4285 else if (strcmp (name, _PDATA) == 0)
4286 h->esym.asym.sc = scPData;
4287 else if (strcmp (name, _XDATA) == 0)
4288 h->esym.asym.sc = scXData;
4290 h->esym.asym.sc = scAbs;
4293 h->esym.asym.reserved = 0;
4294 h->esym.asym.index = indexNil;
4296 else if (h->esym.ifd != -1)
4298 struct ecoff_debug_info *debug;
4300 /* Adjust the FDR index for the symbol by that used for the
4302 debug = &ecoff_data (h->abfd)->debug_info;
4303 BFD_ASSERT (h->esym.ifd >= 0
4304 && h->esym.ifd < debug->symbolic_header.ifdMax);
4305 h->esym.ifd = debug->ifdmap[h->esym.ifd];
4308 switch (h->root.type)
4311 case bfd_link_hash_new:
4313 case bfd_link_hash_undefined:
4314 case bfd_link_hash_undefweak:
4315 if (h->esym.asym.sc != scUndefined
4316 && h->esym.asym.sc != scSUndefined)
4317 h->esym.asym.sc = scUndefined;
4319 case bfd_link_hash_defined:
4320 case bfd_link_hash_defweak:
4321 if (h->esym.asym.sc == scUndefined
4322 || h->esym.asym.sc == scSUndefined)
4323 h->esym.asym.sc = scAbs;
4324 else if (h->esym.asym.sc == scCommon)
4325 h->esym.asym.sc = scBss;
4326 else if (h->esym.asym.sc == scSCommon)
4327 h->esym.asym.sc = scSBss;
4328 h->esym.asym.value = (h->root.u.def.value
4329 + h->root.u.def.section->output_section->vma
4330 + h->root.u.def.section->output_offset);
4332 case bfd_link_hash_common:
4333 if (h->esym.asym.sc != scCommon
4334 && h->esym.asym.sc != scSCommon)
4335 h->esym.asym.sc = scCommon;
4336 h->esym.asym.value = h->root.u.c.size;
4338 case bfd_link_hash_indirect:
4339 case bfd_link_hash_warning:
4340 /* FIXME: Ignore these for now. The circumstances under which
4341 they should be written out are not clear to me. */
4345 /* bfd_ecoff_debug_one_external uses iextMax to keep track of the
4347 h->indx = ecoff_data (output_bfd)->debug_info.symbolic_header.iextMax;
4350 return (bfd_ecoff_debug_one_external
4351 (output_bfd, &ecoff_data (output_bfd)->debug_info,
4352 &ecoff_backend (output_bfd)->debug_swap, h->root.root.string,
4356 /* Relocate and write an ECOFF section into an ECOFF output file. */
4359 ecoff_indirect_link_order (output_bfd, info, output_section, link_order)
4361 struct bfd_link_info *info;
4362 asection *output_section;
4363 struct bfd_link_order *link_order;
4365 asection *input_section;
4367 struct ecoff_section_tdata *section_tdata;
4368 bfd_size_type raw_size;
4369 bfd_size_type cooked_size;
4370 bfd_byte *contents = NULL;
4371 bfd_size_type external_reloc_size;
4372 bfd_size_type external_relocs_size;
4373 PTR external_relocs = NULL;
4375 BFD_ASSERT ((output_section->flags & SEC_HAS_CONTENTS) != 0);
4377 if (link_order->size == 0)
4380 input_section = link_order->u.indirect.section;
4381 input_bfd = input_section->owner;
4382 section_tdata = ecoff_section_data (input_bfd, input_section);
4384 raw_size = input_section->_raw_size;
4385 cooked_size = input_section->_cooked_size;
4386 if (cooked_size == 0)
4387 cooked_size = raw_size;
4389 BFD_ASSERT (input_section->output_section == output_section);
4390 BFD_ASSERT (input_section->output_offset == link_order->offset);
4391 BFD_ASSERT (cooked_size == link_order->size);
4393 /* Get the section contents. We allocate memory for the larger of
4394 the size before relocating and the size after relocating. */
4395 contents = (bfd_byte *) malloc (raw_size >= cooked_size
4398 if (contents == NULL && raw_size != 0)
4400 bfd_set_error (bfd_error_no_memory);
4404 /* If we are relaxing, the contents may have already been read into
4405 memory, in which case we copy them into our new buffer. We don't
4406 simply reuse the old buffer in case cooked_size > raw_size. */
4407 if (section_tdata != (struct ecoff_section_tdata *) NULL
4408 && section_tdata->contents != (bfd_byte *) NULL)
4409 memcpy (contents, section_tdata->contents, raw_size);
4412 if (! bfd_get_section_contents (input_bfd, input_section,
4414 (file_ptr) 0, raw_size))
4418 /* Get the relocs. If we are relaxing MIPS code, they will already
4419 have been read in. Otherwise, we read them in now. */
4420 external_reloc_size = ecoff_backend (input_bfd)->external_reloc_size;
4421 external_relocs_size = external_reloc_size * input_section->reloc_count;
4423 if (section_tdata != (struct ecoff_section_tdata *) NULL)
4424 external_relocs = section_tdata->external_relocs;
4427 external_relocs = (PTR) malloc (external_relocs_size);
4428 if (external_relocs == NULL && external_relocs_size != 0)
4430 bfd_set_error (bfd_error_no_memory);
4434 if (bfd_seek (input_bfd, input_section->rel_filepos, SEEK_SET) != 0
4435 || (bfd_read (external_relocs, 1, external_relocs_size, input_bfd)
4436 != external_relocs_size))
4440 /* Relocate the section contents. */
4441 if (! ((*ecoff_backend (input_bfd)->relocate_section)
4442 (output_bfd, info, input_bfd, input_section, contents,
4446 /* Write out the relocated section. */
4447 if (! bfd_set_section_contents (output_bfd,
4450 input_section->output_offset,
4454 /* If we are producing relocateable output, the relocs were
4455 modified, and we write them out now. We use the reloc_count
4456 field of output_section to keep track of the number of relocs we
4457 have output so far. */
4458 if (info->relocateable)
4460 if (bfd_seek (output_bfd,
4461 (output_section->rel_filepos +
4462 output_section->reloc_count * external_reloc_size),
4464 || (bfd_write (external_relocs, 1, external_relocs_size, output_bfd)
4465 != external_relocs_size))
4467 output_section->reloc_count += input_section->reloc_count;
4470 if (contents != NULL)
4472 if (external_relocs != NULL && section_tdata == NULL)
4473 free (external_relocs);
4477 if (contents != NULL)
4479 if (external_relocs != NULL && section_tdata == NULL)
4480 free (external_relocs);
4484 /* Generate a reloc when linking an ECOFF file. This is a reloc
4485 requested by the linker, and does come from any input file. This
4486 is used to build constructor and destructor tables when linking
4490 ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
4492 struct bfd_link_info *info;
4493 asection *output_section;
4494 struct bfd_link_order *link_order;
4497 struct internal_reloc in;
4498 bfd_size_type external_reloc_size;
4502 /* We set up an arelent to pass to the backend adjust_reloc_out
4504 rel.address = link_order->offset;
4506 rel.howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc);
4509 bfd_set_error (bfd_error_bad_value);
4513 if (link_order->type == bfd_section_reloc_link_order)
4514 rel.sym_ptr_ptr = link_order->u.reloc.p->u.section->symbol_ptr_ptr;
4517 /* We can't set up a reloc against a symbol correctly, because
4518 we have no asymbol structure. Currently no adjust_reloc_out
4520 rel.sym_ptr_ptr = (asymbol **) NULL;
4523 /* All ECOFF relocs are in-place. Put the addend into the object
4526 BFD_ASSERT (rel.howto->partial_inplace);
4527 if (link_order->u.reloc.p->addend != 0)
4530 bfd_reloc_status_type rstat;
4534 size = bfd_get_reloc_size (rel.howto);
4535 buf = (bfd_byte *) bfd_zmalloc (size);
4536 if (buf == (bfd_byte *) NULL)
4538 bfd_set_error (bfd_error_no_memory);
4541 rstat = _bfd_relocate_contents (rel.howto, output_bfd,
4542 link_order->u.reloc.p->addend, buf);
4548 case bfd_reloc_outofrange:
4550 case bfd_reloc_overflow:
4551 if (! ((*info->callbacks->reloc_overflow)
4553 (link_order->type == bfd_section_reloc_link_order
4554 ? bfd_section_name (output_bfd,
4555 link_order->u.reloc.p->u.section)
4556 : link_order->u.reloc.p->u.name),
4557 rel.howto->name, link_order->u.reloc.p->addend,
4558 (bfd *) NULL, (asection *) NULL, (bfd_vma) 0)))
4565 ok = bfd_set_section_contents (output_bfd, output_section, (PTR) buf,
4566 (file_ptr) link_order->offset, size);
4574 /* Move the information into a internal_reloc structure. */
4575 in.r_vaddr = (rel.address
4576 + bfd_get_section_vma (output_bfd, output_section));
4577 in.r_type = rel.howto->type;
4579 if (link_order->type == bfd_symbol_reloc_link_order)
4581 struct ecoff_link_hash_entry *h;
4583 h = ecoff_link_hash_lookup (ecoff_hash_table (info),
4584 link_order->u.reloc.p->u.name,
4585 false, false, true);
4586 if (h != (struct ecoff_link_hash_entry *) NULL
4588 in.r_symndx = h->indx;
4591 if (! ((*info->callbacks->unattached_reloc)
4592 (info, link_order->u.reloc.p->u.name, (bfd *) NULL,
4593 (asection *) NULL, (bfd_vma) 0)))
4603 name = bfd_get_section_name (output_bfd,
4604 link_order->u.reloc.p->u.section);
4605 if (strcmp (name, ".text") == 0)
4606 in.r_symndx = RELOC_SECTION_TEXT;
4607 else if (strcmp (name, ".rdata") == 0)
4608 in.r_symndx = RELOC_SECTION_RDATA;
4609 else if (strcmp (name, ".data") == 0)
4610 in.r_symndx = RELOC_SECTION_DATA;
4611 else if (strcmp (name, ".sdata") == 0)
4612 in.r_symndx = RELOC_SECTION_SDATA;
4613 else if (strcmp (name, ".sbss") == 0)
4614 in.r_symndx = RELOC_SECTION_SBSS;
4615 else if (strcmp (name, ".bss") == 0)
4616 in.r_symndx = RELOC_SECTION_BSS;
4617 else if (strcmp (name, ".init") == 0)
4618 in.r_symndx = RELOC_SECTION_INIT;
4619 else if (strcmp (name, ".lit8") == 0)
4620 in.r_symndx = RELOC_SECTION_LIT8;
4621 else if (strcmp (name, ".lit4") == 0)
4622 in.r_symndx = RELOC_SECTION_LIT4;
4623 else if (strcmp (name, ".xdata") == 0)
4624 in.r_symndx = RELOC_SECTION_XDATA;
4625 else if (strcmp (name, ".pdata") == 0)
4626 in.r_symndx = RELOC_SECTION_PDATA;
4627 else if (strcmp (name, ".fini") == 0)
4628 in.r_symndx = RELOC_SECTION_FINI;
4629 else if (strcmp (name, ".lita") == 0)
4630 in.r_symndx = RELOC_SECTION_LITA;
4631 else if (strcmp (name, "*ABS*") == 0)
4632 in.r_symndx = RELOC_SECTION_ABS;
4638 /* Let the BFD backend adjust the reloc. */
4639 (*ecoff_backend (output_bfd)->adjust_reloc_out) (output_bfd, &rel, &in);
4641 /* Get some memory and swap out the reloc. */
4642 external_reloc_size = ecoff_backend (output_bfd)->external_reloc_size;
4643 rbuf = (bfd_byte *) malloc (external_reloc_size);
4644 if (rbuf == (bfd_byte *) NULL)
4646 bfd_set_error (bfd_error_no_memory);
4650 (*ecoff_backend (output_bfd)->swap_reloc_out) (output_bfd, &in, (PTR) rbuf);
4652 ok = (bfd_seek (output_bfd,
4653 (output_section->rel_filepos +
4654 output_section->reloc_count * external_reloc_size),
4656 && (bfd_write ((PTR) rbuf, 1, external_reloc_size, output_bfd)
4657 == external_reloc_size));
4660 ++output_section->reloc_count;