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->fdrtab = NULL;
1857 line_info = ecoff_data (abfd)->find_line_info;
1859 return _bfd_ecoff_locate_line (abfd, section, offset, debug_info,
1860 debug_swap, line_info, filename_ptr,
1861 functionname_ptr, retline_ptr);
1864 /* Copy private BFD data. This is called by objcopy and strip. We
1865 use it to copy the ECOFF debugging information from one BFD to the
1866 other. It would be theoretically possible to represent the ECOFF
1867 debugging information in the symbol table. However, it would be a
1868 lot of work, and there would be little gain (gas, gdb, and ld
1869 already access the ECOFF debugging information via the
1870 ecoff_debug_info structure, and that structure would have to be
1871 retained in order to support ECOFF debugging in MIPS ELF).
1873 The debugging information for the ECOFF external symbols comes from
1874 the symbol table, so this function only handles the other debugging
1878 _bfd_ecoff_bfd_copy_private_bfd_data (ibfd, obfd)
1882 struct ecoff_debug_info *iinfo = &ecoff_data (ibfd)->debug_info;
1883 struct ecoff_debug_info *oinfo = &ecoff_data (obfd)->debug_info;
1885 asymbol **sym_ptr_ptr;
1889 /* This function is selected based on the input vector. We only
1890 want to copy information over if the output BFD also uses ECOFF
1892 if (bfd_get_flavour (obfd) != bfd_target_ecoff_flavour)
1895 /* Copy the GP value and the register masks. */
1896 ecoff_data (obfd)->gp = ecoff_data (ibfd)->gp;
1897 ecoff_data (obfd)->gprmask = ecoff_data (ibfd)->gprmask;
1898 ecoff_data (obfd)->fprmask = ecoff_data (ibfd)->fprmask;
1899 for (i = 0; i < 3; i++)
1900 ecoff_data (obfd)->cprmask[i] = ecoff_data (ibfd)->cprmask[i];
1902 /* Copy the version stamp. */
1903 oinfo->symbolic_header.vstamp = iinfo->symbolic_header.vstamp;
1905 /* If there are no symbols, don't copy any debugging information. */
1906 c = bfd_get_symcount (obfd);
1907 sym_ptr_ptr = bfd_get_outsymbols (obfd);
1908 if (c == 0 || sym_ptr_ptr == (asymbol **) NULL)
1911 /* See if there are any local symbols. */
1913 for (; c > 0; c--, sym_ptr_ptr++)
1915 if (ecoffsymbol (*sym_ptr_ptr)->local)
1924 /* There are some local symbols. We just bring over all the
1925 debugging information. FIXME: This is not quite the right
1926 thing to do. If the user has asked us to discard all
1927 debugging information, then we are probably going to wind up
1928 keeping it because there will probably be some local symbol
1929 which objcopy did not discard. We should actually break
1930 apart the debugging information and only keep that which
1931 applies to the symbols we want to keep. */
1932 oinfo->symbolic_header.ilineMax = iinfo->symbolic_header.ilineMax;
1933 oinfo->symbolic_header.cbLine = iinfo->symbolic_header.cbLine;
1934 oinfo->line = iinfo->line;
1936 oinfo->symbolic_header.idnMax = iinfo->symbolic_header.idnMax;
1937 oinfo->external_dnr = iinfo->external_dnr;
1939 oinfo->symbolic_header.ipdMax = iinfo->symbolic_header.ipdMax;
1940 oinfo->external_pdr = iinfo->external_pdr;
1942 oinfo->symbolic_header.isymMax = iinfo->symbolic_header.isymMax;
1943 oinfo->external_sym = iinfo->external_sym;
1945 oinfo->symbolic_header.ioptMax = iinfo->symbolic_header.ioptMax;
1946 oinfo->external_opt = iinfo->external_opt;
1948 oinfo->symbolic_header.iauxMax = iinfo->symbolic_header.iauxMax;
1949 oinfo->external_aux = iinfo->external_aux;
1951 oinfo->symbolic_header.issMax = iinfo->symbolic_header.issMax;
1952 oinfo->ss = iinfo->ss;
1954 oinfo->symbolic_header.ifdMax = iinfo->symbolic_header.ifdMax;
1955 oinfo->external_fdr = iinfo->external_fdr;
1957 oinfo->symbolic_header.crfd = iinfo->symbolic_header.crfd;
1958 oinfo->external_rfd = iinfo->external_rfd;
1962 /* We are discarding all the local symbol information. Look
1963 through the external symbols and remove all references to FDR
1964 or aux information. */
1965 c = bfd_get_symcount (obfd);
1966 sym_ptr_ptr = bfd_get_outsymbols (obfd);
1967 for (; c > 0; c--, sym_ptr_ptr++)
1971 (*(ecoff_backend (obfd)->debug_swap.swap_ext_in))
1972 (obfd, ecoffsymbol (*sym_ptr_ptr)->native, &esym);
1974 esym.asym.index = indexNil;
1975 (*(ecoff_backend (obfd)->debug_swap.swap_ext_out))
1976 (obfd, &esym, ecoffsymbol (*sym_ptr_ptr)->native);
1983 /* Set the architecture. The supported architecture is stored in the
1984 backend pointer. We always set the architecture anyhow, since many
1985 callers ignore the return value. */
1988 _bfd_ecoff_set_arch_mach (abfd, arch, machine)
1990 enum bfd_architecture arch;
1991 unsigned long machine;
1993 bfd_default_set_arch_mach (abfd, arch, machine);
1994 return arch == ecoff_backend (abfd)->arch;
1997 /* Get the size of the section headers. */
2001 _bfd_ecoff_sizeof_headers (abfd, reloc)
2010 for (current = abfd->sections;
2011 current != (asection *)NULL;
2012 current = current->next)
2015 ret = (bfd_coff_filhsz (abfd)
2016 + bfd_coff_aoutsz (abfd)
2017 + c * bfd_coff_scnhsz (abfd));
2018 return BFD_ALIGN (ret, 16);
2021 /* Get the contents of a section. */
2024 _bfd_ecoff_get_section_contents (abfd, section, location, offset, count)
2029 bfd_size_type count;
2031 return _bfd_generic_get_section_contents (abfd, section, location,
2035 /* Calculate the file position for each section, and set
2039 ecoff_compute_section_file_positions (abfd)
2047 sofar = _bfd_ecoff_sizeof_headers (abfd, false);
2050 for (current = abfd->sections;
2051 current != (asection *) NULL;
2052 current = current->next)
2054 unsigned int alignment_power;
2056 /* Only deal with sections which have contents */
2057 if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) == 0)
2060 /* For the Alpha ECOFF .pdata section the lnnoptr field is
2061 supposed to indicate the number of .pdata entries that are
2062 really in the section. Each entry is 8 bytes. We store this
2063 away in line_filepos before increasing the section size. */
2064 if (strcmp (current->name, _PDATA) != 0)
2065 alignment_power = current->alignment_power;
2068 current->line_filepos = current->_raw_size / 8;
2069 alignment_power = 4;
2072 /* On Ultrix, the data sections in an executable file must be
2073 aligned to a page boundary within the file. This does not
2074 affect the section size, though. FIXME: Does this work for
2075 other platforms? It requires some modification for the
2076 Alpha, because .rdata on the Alpha goes with the text, not
2078 if ((abfd->flags & EXEC_P) != 0
2079 && (abfd->flags & D_PAGED) != 0
2080 && first_data != false
2081 && (current->flags & SEC_CODE) == 0
2082 && (! ecoff_backend (abfd)->rdata_in_text
2083 || strcmp (current->name, _RDATA) != 0)
2084 && strcmp (current->name, _PDATA) != 0)
2086 const bfd_vma round = ecoff_backend (abfd)->round;
2088 sofar = (sofar + round - 1) &~ (round - 1);
2091 else if (strcmp (current->name, _LIB) == 0)
2093 const bfd_vma round = ecoff_backend (abfd)->round;
2094 /* On Irix 4, the location of contents of the .lib section
2095 from a shared library section is also rounded up to a
2098 sofar = (sofar + round - 1) &~ (round - 1);
2101 /* Align the sections in the file to the same boundary on
2102 which they are aligned in virtual memory. */
2104 sofar = BFD_ALIGN (sofar, 1 << alignment_power);
2106 current->filepos = sofar;
2108 sofar += current->_raw_size;
2110 /* make sure that this section is of the right size too */
2112 sofar = BFD_ALIGN (sofar, 1 << alignment_power);
2113 current->_raw_size += sofar - old_sofar;
2116 ecoff_data (abfd)->reloc_filepos = sofar;
2119 /* Determine the location of the relocs for all the sections in the
2120 output file, as well as the location of the symbolic debugging
2123 static bfd_size_type
2124 ecoff_compute_reloc_file_positions (abfd)
2127 const bfd_size_type external_reloc_size =
2128 ecoff_backend (abfd)->external_reloc_size;
2129 file_ptr reloc_base;
2130 bfd_size_type reloc_size;
2134 if (! abfd->output_has_begun)
2136 ecoff_compute_section_file_positions (abfd);
2137 abfd->output_has_begun = true;
2140 reloc_base = ecoff_data (abfd)->reloc_filepos;
2143 for (current = abfd->sections;
2144 current != (asection *)NULL;
2145 current = current->next)
2147 if (current->reloc_count == 0)
2148 current->rel_filepos = 0;
2151 bfd_size_type relsize;
2153 current->rel_filepos = reloc_base;
2154 relsize = current->reloc_count * external_reloc_size;
2155 reloc_size += relsize;
2156 reloc_base += relsize;
2160 sym_base = ecoff_data (abfd)->reloc_filepos + reloc_size;
2162 /* At least on Ultrix, the symbol table of an executable file must
2163 be aligned to a page boundary. FIXME: Is this true on other
2165 if ((abfd->flags & EXEC_P) != 0
2166 && (abfd->flags & D_PAGED) != 0)
2167 sym_base = ((sym_base + ecoff_backend (abfd)->round - 1)
2168 &~ (ecoff_backend (abfd)->round - 1));
2170 ecoff_data (abfd)->sym_filepos = sym_base;
2175 /* Set the contents of a section. */
2178 _bfd_ecoff_set_section_contents (abfd, section, location, offset, count)
2183 bfd_size_type count;
2185 /* This must be done first, because bfd_set_section_contents is
2186 going to set output_has_begun to true. */
2187 if (abfd->output_has_begun == false)
2188 ecoff_compute_section_file_positions (abfd);
2190 /* If this is a .lib section, bump the vma address so that it winds
2191 up being the number of .lib sections output. This is right for
2192 Irix 4. Ian Taylor <ian@cygnus.com>. */
2193 if (strcmp (section->name, _LIB) == 0)
2199 if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0
2200 || bfd_write (location, 1, count, abfd) != count)
2206 /* Get the GP value for an ECOFF file. This is a hook used by
2210 bfd_ecoff_get_gp_value (abfd)
2213 if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour
2214 || bfd_get_format (abfd) != bfd_object)
2216 bfd_set_error (bfd_error_invalid_operation);
2220 return ecoff_data (abfd)->gp;
2223 /* Set the GP value for an ECOFF file. This is a hook used by the
2227 bfd_ecoff_set_gp_value (abfd, gp_value)
2231 if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour
2232 || bfd_get_format (abfd) != bfd_object)
2234 bfd_set_error (bfd_error_invalid_operation);
2238 ecoff_data (abfd)->gp = gp_value;
2243 /* Set the register masks for an ECOFF file. This is a hook used by
2247 bfd_ecoff_set_regmasks (abfd, gprmask, fprmask, cprmask)
2249 unsigned long gprmask;
2250 unsigned long fprmask;
2251 unsigned long *cprmask;
2253 ecoff_data_type *tdata;
2255 if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour
2256 || bfd_get_format (abfd) != bfd_object)
2258 bfd_set_error (bfd_error_invalid_operation);
2262 tdata = ecoff_data (abfd);
2263 tdata->gprmask = gprmask;
2264 tdata->fprmask = fprmask;
2265 if (cprmask != (unsigned long *) NULL)
2269 for (i = 0; i < 3; i++)
2270 tdata->cprmask[i] = cprmask[i];
2276 /* Get ECOFF EXTR information for an external symbol. This function
2277 is passed to bfd_ecoff_debug_externals. */
2280 ecoff_get_extr (sym, esym)
2284 ecoff_symbol_type *ecoff_sym_ptr;
2287 if (bfd_asymbol_flavour (sym) != bfd_target_ecoff_flavour
2288 || ecoffsymbol (sym)->native == NULL)
2290 /* Don't include debugging, local, or section symbols. */
2291 if ((sym->flags & BSF_DEBUGGING) != 0
2292 || (sym->flags & BSF_LOCAL) != 0
2293 || (sym->flags & BSF_SECTION_SYM) != 0)
2297 esym->cobol_main = 0;
2301 /* FIXME: we can do better than this for st and sc. */
2302 esym->asym.st = stGlobal;
2303 esym->asym.sc = scAbs;
2304 esym->asym.reserved = 0;
2305 esym->asym.index = indexNil;
2309 ecoff_sym_ptr = ecoffsymbol (sym);
2311 if (ecoff_sym_ptr->local)
2314 input_bfd = bfd_asymbol_bfd (sym);
2315 (*(ecoff_backend (input_bfd)->debug_swap.swap_ext_in))
2316 (input_bfd, ecoff_sym_ptr->native, esym);
2318 /* If the symbol was defined by the linker, then esym will be
2319 undefined but sym will not be. Get a better class for such a
2321 if ((esym->asym.sc == scUndefined
2322 || esym->asym.sc == scSUndefined)
2323 && ! bfd_is_und_section (bfd_get_section (sym)))
2324 esym->asym.sc = scAbs;
2326 /* Adjust the FDR index for the symbol by that used for the input
2328 if (esym->ifd != -1)
2330 struct ecoff_debug_info *input_debug;
2332 input_debug = &ecoff_data (input_bfd)->debug_info;
2333 BFD_ASSERT (esym->ifd < input_debug->symbolic_header.ifdMax);
2334 if (input_debug->ifdmap != (RFDT *) NULL)
2335 esym->ifd = input_debug->ifdmap[esym->ifd];
2341 /* Set the external symbol index. This routine is passed to
2342 bfd_ecoff_debug_externals. */
2345 ecoff_set_index (sym, indx)
2349 ecoff_set_sym_index (sym, indx);
2352 /* Write out an ECOFF file. */
2355 _bfd_ecoff_write_object_contents (abfd)
2358 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
2359 const bfd_vma round = backend->round;
2360 const bfd_size_type filhsz = bfd_coff_filhsz (abfd);
2361 const bfd_size_type aoutsz = bfd_coff_aoutsz (abfd);
2362 const bfd_size_type scnhsz = bfd_coff_scnhsz (abfd);
2363 const bfd_size_type external_hdr_size
2364 = backend->debug_swap.external_hdr_size;
2365 const bfd_size_type external_reloc_size = backend->external_reloc_size;
2366 void (* const adjust_reloc_out) PARAMS ((bfd *,
2368 struct internal_reloc *))
2369 = backend->adjust_reloc_out;
2370 void (* const swap_reloc_out) PARAMS ((bfd *,
2371 const struct internal_reloc *,
2373 = backend->swap_reloc_out;
2374 struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info;
2375 HDRR * const symhdr = &debug->symbolic_header;
2378 bfd_size_type reloc_size;
2379 bfd_size_type text_size;
2381 boolean set_text_start;
2382 bfd_size_type data_size;
2384 boolean set_data_start;
2385 bfd_size_type bss_size;
2387 PTR reloc_buff = NULL;
2388 struct internal_filehdr internal_f;
2389 struct internal_aouthdr internal_a;
2392 /* Determine where the sections and relocs will go in the output
2394 reloc_size = ecoff_compute_reloc_file_positions (abfd);
2397 for (current = abfd->sections;
2398 current != (asection *)NULL;
2399 current = current->next)
2401 current->target_index = count;
2405 if ((abfd->flags & D_PAGED) != 0)
2406 text_size = _bfd_ecoff_sizeof_headers (abfd, false);
2410 set_text_start = false;
2413 set_data_start = false;
2416 /* Write section headers to the file. */
2418 /* Allocate buff big enough to hold a section header,
2419 file header, or a.out header. */
2427 buff = (PTR) malloc (siz);
2430 bfd_set_error (bfd_error_no_memory);
2435 internal_f.f_nscns = 0;
2436 if (bfd_seek (abfd, (file_ptr) (filhsz + aoutsz), SEEK_SET) != 0)
2438 for (current = abfd->sections;
2439 current != (asection *) NULL;
2440 current = current->next)
2442 struct internal_scnhdr section;
2445 ++internal_f.f_nscns;
2447 strncpy (section.s_name, current->name, sizeof section.s_name);
2449 /* This seems to be correct for Irix 4 shared libraries. */
2450 vma = bfd_get_section_vma (abfd, current);
2451 if (strcmp (current->name, _LIB) == 0)
2452 section.s_vaddr = 0;
2454 section.s_vaddr = vma;
2456 section.s_paddr = vma;
2457 section.s_size = bfd_get_section_size_before_reloc (current);
2459 /* If this section is unloadable then the scnptr will be 0. */
2460 if ((current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
2461 section.s_scnptr = 0;
2463 section.s_scnptr = current->filepos;
2464 section.s_relptr = current->rel_filepos;
2466 /* FIXME: the lnnoptr of the .sbss or .sdata section of an
2467 object file produced by the assembler is supposed to point to
2468 information about how much room is required by objects of
2469 various different sizes. I think this only matters if we
2470 want the linker to compute the best size to use, or
2471 something. I don't know what happens if the information is
2473 if (strcmp (current->name, _PDATA) != 0)
2474 section.s_lnnoptr = 0;
2477 /* The Alpha ECOFF .pdata section uses the lnnoptr field to
2478 hold the number of entries in the section (each entry is
2479 8 bytes). We stored this in the line_filepos field in
2480 ecoff_compute_section_file_positions. */
2481 section.s_lnnoptr = current->line_filepos;
2484 section.s_nreloc = current->reloc_count;
2485 section.s_nlnno = 0;
2486 section.s_flags = ecoff_sec_to_styp_flags (current->name,
2489 if (bfd_coff_swap_scnhdr_out (abfd, (PTR) §ion, buff) == 0
2490 || bfd_write (buff, 1, scnhsz, abfd) != scnhsz)
2493 if ((section.s_flags & STYP_TEXT) != 0
2494 || ((section.s_flags & STYP_RDATA) != 0
2495 && backend->rdata_in_text)
2496 || strcmp (current->name, _PDATA) == 0)
2498 text_size += bfd_get_section_size_before_reloc (current);
2499 if (! set_text_start || text_start > vma)
2502 set_text_start = true;
2505 else if ((section.s_flags & STYP_RDATA) != 0
2506 || (section.s_flags & STYP_DATA) != 0
2507 || (section.s_flags & STYP_LITA) != 0
2508 || (section.s_flags & STYP_LIT8) != 0
2509 || (section.s_flags & STYP_LIT4) != 0
2510 || (section.s_flags & STYP_SDATA) != 0
2511 || strcmp (current->name, _XDATA) == 0)
2513 data_size += bfd_get_section_size_before_reloc (current);
2514 if (! set_data_start || data_start > vma)
2517 set_data_start = true;
2520 else if ((section.s_flags & STYP_BSS) != 0
2521 || (section.s_flags & STYP_SBSS) != 0)
2522 bss_size += bfd_get_section_size_before_reloc (current);
2523 else if ((section.s_flags & STYP_ECOFF_LIB) != 0)
2529 /* Set up the file header. */
2531 internal_f.f_magic = ecoff_get_magic (abfd);
2533 /* We will NOT put a fucking timestamp in the header here. Every
2534 time you put it back, I will come in and take it out again. I'm
2535 sorry. This field does not belong here. We fill it with a 0 so
2536 it compares the same but is not a reasonable time. --
2538 internal_f.f_timdat = 0;
2540 if (bfd_get_symcount (abfd) != 0)
2542 /* The ECOFF f_nsyms field is not actually the number of
2543 symbols, it's the size of symbolic information header. */
2544 internal_f.f_nsyms = external_hdr_size;
2545 internal_f.f_symptr = ecoff_data (abfd)->sym_filepos;
2549 internal_f.f_nsyms = 0;
2550 internal_f.f_symptr = 0;
2553 internal_f.f_opthdr = aoutsz;
2555 internal_f.f_flags = F_LNNO;
2556 if (reloc_size == 0)
2557 internal_f.f_flags |= F_RELFLG;
2558 if (bfd_get_symcount (abfd) == 0)
2559 internal_f.f_flags |= F_LSYMS;
2560 if (abfd->flags & EXEC_P)
2561 internal_f.f_flags |= F_EXEC;
2563 if (! abfd->xvec->byteorder_big_p)
2564 internal_f.f_flags |= F_AR32WR;
2566 internal_f.f_flags |= F_AR32W;
2568 /* Set up the ``optional'' header. */
2569 if ((abfd->flags & D_PAGED) != 0)
2570 internal_a.magic = ECOFF_AOUT_ZMAGIC;
2572 internal_a.magic = ECOFF_AOUT_OMAGIC;
2574 /* FIXME: Is this really correct? */
2575 internal_a.vstamp = symhdr->vstamp;
2577 /* At least on Ultrix, these have to be rounded to page boundaries.
2578 FIXME: Is this true on other platforms? */
2579 if ((abfd->flags & D_PAGED) != 0)
2581 internal_a.tsize = (text_size + round - 1) &~ (round - 1);
2582 internal_a.text_start = text_start &~ (round - 1);
2583 internal_a.dsize = (data_size + round - 1) &~ (round - 1);
2584 internal_a.data_start = data_start &~ (round - 1);
2588 internal_a.tsize = text_size;
2589 internal_a.text_start = text_start;
2590 internal_a.dsize = data_size;
2591 internal_a.data_start = data_start;
2594 /* On Ultrix, the initial portions of the .sbss and .bss segments
2595 are at the end of the data section. The bsize field in the
2596 optional header records how many bss bytes are required beyond
2597 those in the data section. The value is not rounded to a page
2599 if (bss_size < internal_a.dsize - data_size)
2602 bss_size -= internal_a.dsize - data_size;
2603 internal_a.bsize = bss_size;
2604 internal_a.bss_start = internal_a.data_start + internal_a.dsize;
2606 internal_a.entry = bfd_get_start_address (abfd);
2608 internal_a.gp_value = ecoff_data (abfd)->gp;
2610 internal_a.gprmask = ecoff_data (abfd)->gprmask;
2611 internal_a.fprmask = ecoff_data (abfd)->fprmask;
2612 for (i = 0; i < 4; i++)
2613 internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i];
2615 /* Write out the file header and the optional header. */
2617 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
2620 bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, buff);
2621 if (bfd_write (buff, 1, filhsz, abfd) != filhsz)
2624 bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, buff);
2625 if (bfd_write (buff, 1, aoutsz, abfd) != aoutsz)
2628 /* Build the external symbol information. This must be done before
2629 writing out the relocs so that we know the symbol indices. We
2630 don't do this if this BFD was created by the backend linker,
2631 since it will have already handled the symbols and relocs. */
2632 if (! ecoff_data (abfd)->linker)
2634 symhdr->iextMax = 0;
2635 symhdr->issExtMax = 0;
2636 debug->external_ext = debug->external_ext_end = NULL;
2637 debug->ssext = debug->ssext_end = NULL;
2638 if (bfd_ecoff_debug_externals (abfd, debug, &backend->debug_swap,
2639 (((abfd->flags & EXEC_P) == 0)
2641 ecoff_get_extr, ecoff_set_index)
2645 /* Write out the relocs. */
2646 for (current = abfd->sections;
2647 current != (asection *) NULL;
2648 current = current->next)
2650 arelent **reloc_ptr_ptr;
2651 arelent **reloc_end;
2654 if (current->reloc_count == 0)
2658 bfd_alloc (abfd, current->reloc_count * external_reloc_size);
2659 if (reloc_buff == NULL)
2661 bfd_set_error (bfd_error_no_memory);
2665 reloc_ptr_ptr = current->orelocation;
2666 reloc_end = reloc_ptr_ptr + current->reloc_count;
2667 out_ptr = (char *) reloc_buff;
2669 reloc_ptr_ptr < reloc_end;
2670 reloc_ptr_ptr++, out_ptr += external_reloc_size)
2674 struct internal_reloc in;
2676 memset ((PTR) &in, 0, sizeof in);
2678 reloc = *reloc_ptr_ptr;
2679 sym = *reloc->sym_ptr_ptr;
2681 in.r_vaddr = (reloc->address
2682 + bfd_get_section_vma (abfd, current));
2683 in.r_type = reloc->howto->type;
2685 if ((sym->flags & BSF_SECTION_SYM) == 0)
2687 in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr);
2694 name = bfd_get_section_name (abfd, bfd_get_section (sym));
2695 if (strcmp (name, ".text") == 0)
2696 in.r_symndx = RELOC_SECTION_TEXT;
2697 else if (strcmp (name, ".rdata") == 0)
2698 in.r_symndx = RELOC_SECTION_RDATA;
2699 else if (strcmp (name, ".data") == 0)
2700 in.r_symndx = RELOC_SECTION_DATA;
2701 else if (strcmp (name, ".sdata") == 0)
2702 in.r_symndx = RELOC_SECTION_SDATA;
2703 else if (strcmp (name, ".sbss") == 0)
2704 in.r_symndx = RELOC_SECTION_SBSS;
2705 else if (strcmp (name, ".bss") == 0)
2706 in.r_symndx = RELOC_SECTION_BSS;
2707 else if (strcmp (name, ".init") == 0)
2708 in.r_symndx = RELOC_SECTION_INIT;
2709 else if (strcmp (name, ".lit8") == 0)
2710 in.r_symndx = RELOC_SECTION_LIT8;
2711 else if (strcmp (name, ".lit4") == 0)
2712 in.r_symndx = RELOC_SECTION_LIT4;
2713 else if (strcmp (name, ".xdata") == 0)
2714 in.r_symndx = RELOC_SECTION_XDATA;
2715 else if (strcmp (name, ".pdata") == 0)
2716 in.r_symndx = RELOC_SECTION_PDATA;
2717 else if (strcmp (name, ".fini") == 0)
2718 in.r_symndx = RELOC_SECTION_FINI;
2719 else if (strcmp (name, ".lita") == 0)
2720 in.r_symndx = RELOC_SECTION_LITA;
2721 else if (strcmp (name, "*ABS*") == 0)
2722 in.r_symndx = RELOC_SECTION_ABS;
2728 (*adjust_reloc_out) (abfd, reloc, &in);
2730 (*swap_reloc_out) (abfd, &in, (PTR) out_ptr);
2733 if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0)
2735 if (bfd_write (reloc_buff,
2736 external_reloc_size, current->reloc_count, abfd)
2737 != external_reloc_size * current->reloc_count)
2739 bfd_release (abfd, reloc_buff);
2743 /* Write out the symbolic debugging information. */
2744 if (bfd_get_symcount (abfd) > 0)
2746 /* Write out the debugging information. */
2747 if (bfd_ecoff_write_debug (abfd, debug, &backend->debug_swap,
2748 ecoff_data (abfd)->sym_filepos)
2754 /* The .bss section of a demand paged executable must receive an
2755 entire page. If there are symbols, the symbols will start on the
2756 next page. If there are no symbols, we must fill out the page by
2758 if (bfd_get_symcount (abfd) == 0
2759 && (abfd->flags & EXEC_P) != 0
2760 && (abfd->flags & D_PAGED) != 0)
2764 if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1,
2767 if (bfd_read (&c, 1, 1, abfd) == 0)
2769 if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1,
2772 if (bfd_write (&c, 1, 1, abfd) != 1)
2776 if (reloc_buff != NULL)
2777 bfd_release (abfd, reloc_buff);
2782 if (reloc_buff != NULL)
2783 bfd_release (abfd, reloc_buff);
2789 /* Archive handling. ECOFF uses what appears to be a unique type of
2790 archive header (armap). The byte ordering of the armap and the
2791 contents are encoded in the name of the armap itself. At least for
2792 now, we only support archives with the same byte ordering in the
2793 armap and the contents.
2795 The first four bytes in the armap are the number of symbol
2796 definitions. This is always a power of two.
2798 This is followed by the symbol definitions. Each symbol definition
2799 occupies 8 bytes. The first four bytes are the offset from the
2800 start of the armap strings to the null-terminated string naming
2801 this symbol. The second four bytes are the file offset to the
2802 archive member which defines this symbol. If the second four bytes
2803 are 0, then this is not actually a symbol definition, and it should
2806 The symbols are hashed into the armap with a closed hashing scheme.
2807 See the functions below for the details of the algorithm.
2809 After the symbol definitions comes four bytes holding the size of
2810 the string table, followed by the string table itself. */
2812 /* The name of an archive headers looks like this:
2813 __________E[BL]E[BL]_ (with a trailing space).
2814 The trailing space is changed to an X if the archive is changed to
2815 indicate that the armap is out of date.
2817 The Alpha seems to use ________64E[BL]E[BL]_. */
2819 #define ARMAP_BIG_ENDIAN 'B'
2820 #define ARMAP_LITTLE_ENDIAN 'L'
2821 #define ARMAP_MARKER 'E'
2822 #define ARMAP_START_LENGTH 10
2823 #define ARMAP_HEADER_MARKER_INDEX 10
2824 #define ARMAP_HEADER_ENDIAN_INDEX 11
2825 #define ARMAP_OBJECT_MARKER_INDEX 12
2826 #define ARMAP_OBJECT_ENDIAN_INDEX 13
2827 #define ARMAP_END_INDEX 14
2828 #define ARMAP_END "_ "
2830 /* This is a magic number used in the hashing algorithm. */
2831 #define ARMAP_HASH_MAGIC 0x9dd68ab5
2833 /* This returns the hash value to use for a string. It also sets
2834 *REHASH to the rehash adjustment if the first slot is taken. SIZE
2835 is the number of entries in the hash table, and HLOG is the log
2839 ecoff_armap_hash (s, rehash, size, hlog)
2841 unsigned int *rehash;
2849 hash = ((hash >> 27) | (hash << 5)) + *s++;
2850 hash *= ARMAP_HASH_MAGIC;
2851 *rehash = (hash & (size - 1)) | 1;
2852 return hash >> (32 - hlog);
2855 /* Read in the armap. */
2858 _bfd_ecoff_slurp_armap (abfd)
2863 struct areltdata *mapdata;
2864 bfd_size_type parsed_size;
2866 struct artdata *ardata;
2869 struct symdef *symdef_ptr;
2872 /* Get the name of the first element. */
2873 i = bfd_read ((PTR) nextname, 1, 16, abfd);
2879 if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
2882 /* Irix 4.0.5F apparently can use either an ECOFF armap or a
2883 standard COFF armap. We could move the ECOFF armap stuff into
2884 bfd_slurp_armap, but that seems inappropriate since no other
2885 target uses this format. Instead, we check directly for a COFF
2887 if (strncmp (nextname, "/ ", 16) == 0)
2888 return bfd_slurp_armap (abfd);
2890 /* See if the first element is an armap. */
2891 if (strncmp (nextname, ecoff_backend (abfd)->armap_start,
2892 ARMAP_START_LENGTH) != 0
2893 || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER
2894 || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN
2895 && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN)
2896 || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER
2897 || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN
2898 && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN)
2899 || strncmp (nextname + ARMAP_END_INDEX,
2900 ARMAP_END, sizeof ARMAP_END - 1) != 0)
2902 bfd_has_map (abfd) = false;
2906 /* Make sure we have the right byte ordering. */
2907 if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN)
2908 ^ (abfd->xvec->header_byteorder_big_p != false))
2909 || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN)
2910 ^ (abfd->xvec->byteorder_big_p != false)))
2912 bfd_set_error (bfd_error_wrong_format);
2916 /* Read in the armap. */
2917 ardata = bfd_ardata (abfd);
2918 mapdata = _bfd_snarf_ar_hdr (abfd);
2919 if (mapdata == (struct areltdata *) NULL)
2921 parsed_size = mapdata->parsed_size;
2922 bfd_release (abfd, (PTR) mapdata);
2924 raw_armap = (char *) bfd_alloc (abfd, parsed_size);
2925 if (raw_armap == (char *) NULL)
2927 bfd_set_error (bfd_error_no_memory);
2931 if (bfd_read ((PTR) raw_armap, 1, parsed_size, abfd) != parsed_size)
2933 if (bfd_get_error () != bfd_error_system_call)
2934 bfd_set_error (bfd_error_malformed_archive);
2935 bfd_release (abfd, (PTR) raw_armap);
2939 ardata->tdata = (PTR) raw_armap;
2941 count = bfd_h_get_32 (abfd, (PTR) raw_armap);
2943 ardata->symdef_count = 0;
2944 ardata->cache = (struct ar_cache *) NULL;
2946 /* This code used to overlay the symdefs over the raw archive data,
2947 but that doesn't work on a 64 bit host. */
2949 stringbase = raw_armap + count * 8 + 8;
2951 #ifdef CHECK_ARMAP_HASH
2955 /* Double check that I have the hashing algorithm right by making
2956 sure that every symbol can be looked up successfully. */
2958 for (i = 1; i < count; i <<= 1)
2960 BFD_ASSERT (i == count);
2962 raw_ptr = raw_armap + 4;
2963 for (i = 0; i < count; i++, raw_ptr += 8)
2965 unsigned int name_offset, file_offset;
2966 unsigned int hash, rehash, srch;
2968 name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr);
2969 file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4));
2970 if (file_offset == 0)
2972 hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count,
2977 /* See if we can rehash to this location. */
2978 for (srch = (hash + rehash) & (count - 1);
2979 srch != hash && srch != i;
2980 srch = (srch + rehash) & (count - 1))
2981 BFD_ASSERT (bfd_h_get_32 (abfd, (PTR) (raw_armap + 8 + srch * 8))
2983 BFD_ASSERT (srch == i);
2987 #endif /* CHECK_ARMAP_HASH */
2989 raw_ptr = raw_armap + 4;
2990 for (i = 0; i < count; i++, raw_ptr += 8)
2991 if (bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4)) != 0)
2992 ++ardata->symdef_count;
2994 symdef_ptr = ((struct symdef *)
2996 ardata->symdef_count * sizeof (struct symdef)));
2999 bfd_set_error (bfd_error_no_memory);
3003 ardata->symdefs = (carsym *) symdef_ptr;
3005 raw_ptr = raw_armap + 4;
3006 for (i = 0; i < count; i++, raw_ptr += 8)
3008 unsigned int name_offset, file_offset;
3010 file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4));
3011 if (file_offset == 0)
3013 name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr);
3014 symdef_ptr->s.name = stringbase + name_offset;
3015 symdef_ptr->file_offset = file_offset;
3019 ardata->first_file_filepos = bfd_tell (abfd);
3020 /* Pad to an even boundary. */
3021 ardata->first_file_filepos += ardata->first_file_filepos % 2;
3023 bfd_has_map (abfd) = true;
3028 /* Write out an armap. */
3031 _bfd_ecoff_write_armap (abfd, elength, map, orl_count, stridx)
3033 unsigned int elength;
3035 unsigned int orl_count;
3038 unsigned int hashsize, hashlog;
3039 unsigned int symdefsize;
3041 unsigned int stringsize;
3042 unsigned int mapsize;
3045 struct stat statbuf;
3048 bfd_byte *hashtable;
3052 /* Ultrix appears to use as a hash table size the least power of two
3053 greater than twice the number of entries. */
3054 for (hashlog = 0; (1 << hashlog) <= 2 * orl_count; hashlog++)
3056 hashsize = 1 << hashlog;
3058 symdefsize = hashsize * 8;
3060 stringsize = stridx + padit;
3062 /* Include 8 bytes to store symdefsize and stringsize in output. */
3063 mapsize = symdefsize + stringsize + 8;
3065 firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength;
3067 memset ((PTR) &hdr, 0, sizeof hdr);
3069 /* Work out the ECOFF armap name. */
3070 strcpy (hdr.ar_name, ecoff_backend (abfd)->armap_start);
3071 hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER;
3072 hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] =
3073 (abfd->xvec->header_byteorder_big_p
3075 : ARMAP_LITTLE_ENDIAN);
3076 hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER;
3077 hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] =
3078 abfd->xvec->byteorder_big_p ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN;
3079 memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1);
3081 /* Write the timestamp of the archive header to be just a little bit
3082 later than the timestamp of the file, otherwise the linker will
3083 complain that the index is out of date. Actually, the Ultrix
3084 linker just checks the archive name; the GNU linker may check the
3086 stat (abfd->filename, &statbuf);
3087 sprintf (hdr.ar_date, "%ld", (long) (statbuf.st_mtime + 60));
3089 /* The DECstation uses zeroes for the uid, gid and mode of the
3091 hdr.ar_uid[0] = '0';
3092 hdr.ar_gid[0] = '0';
3093 hdr.ar_mode[0] = '0';
3095 sprintf (hdr.ar_size, "%-10d", (int) mapsize);
3097 hdr.ar_fmag[0] = '`';
3098 hdr.ar_fmag[1] = '\012';
3100 /* Turn all null bytes in the header into spaces. */
3101 for (i = 0; i < sizeof (struct ar_hdr); i++)
3102 if (((char *)(&hdr))[i] == '\0')
3103 (((char *)(&hdr))[i]) = ' ';
3105 if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), abfd)
3106 != sizeof (struct ar_hdr))
3109 bfd_h_put_32 (abfd, (bfd_vma) hashsize, temp);
3110 if (bfd_write ((PTR) temp, 1, 4, abfd) != 4)
3113 hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize);
3116 bfd_set_error (bfd_error_no_memory);
3120 current = abfd->archive_head;
3122 for (i = 0; i < orl_count; i++)
3124 unsigned int hash, rehash;
3126 /* Advance firstreal to the file position of this archive
3128 if (((bfd *) map[i].pos) != last_elt)
3132 firstreal += arelt_size (current) + sizeof (struct ar_hdr);
3133 firstreal += firstreal % 2;
3134 current = current->next;
3136 while (current != (bfd *) map[i].pos);
3141 hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog);
3142 if (bfd_h_get_32 (abfd, (PTR) (hashtable + (hash * 8) + 4)) != 0)
3146 /* The desired slot is already taken. */
3147 for (srch = (hash + rehash) & (hashsize - 1);
3149 srch = (srch + rehash) & (hashsize - 1))
3150 if (bfd_h_get_32 (abfd, (PTR) (hashtable + (srch * 8) + 4)) == 0)
3153 BFD_ASSERT (srch != hash);
3158 bfd_h_put_32 (abfd, (bfd_vma) map[i].namidx,
3159 (PTR) (hashtable + hash * 8));
3160 bfd_h_put_32 (abfd, (bfd_vma) firstreal,
3161 (PTR) (hashtable + hash * 8 + 4));
3164 if (bfd_write ((PTR) hashtable, 1, symdefsize, abfd) != symdefsize)
3167 bfd_release (abfd, hashtable);
3169 /* Now write the strings. */
3170 bfd_h_put_32 (abfd, (bfd_vma) stringsize, temp);
3171 if (bfd_write ((PTR) temp, 1, 4, abfd) != 4)
3173 for (i = 0; i < orl_count; i++)
3177 len = strlen (*map[i].name) + 1;
3178 if (bfd_write ((PTR) (*map[i].name), 1, len, abfd) != len)
3182 /* The spec sez this should be a newline. But in order to be
3183 bug-compatible for DECstation ar we use a null. */
3186 if (bfd_write ("", 1, 1, abfd) != 1)
3193 /* See whether this BFD is an archive. If it is, read in the armap
3194 and the extended name table. */
3197 _bfd_ecoff_archive_p (abfd)
3200 char armag[SARMAG + 1];
3202 if (bfd_read ((PTR) armag, 1, SARMAG, abfd) != SARMAG
3203 || strncmp (armag, ARMAG, SARMAG) != 0)
3205 if (bfd_get_error () != bfd_error_system_call)
3206 bfd_set_error (bfd_error_wrong_format);
3207 return (const bfd_target *) NULL;
3210 /* We are setting bfd_ardata(abfd) here, but since bfd_ardata
3211 involves a cast, we can't do it as the left operand of
3213 abfd->tdata.aout_ar_data =
3214 (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata));
3216 if (bfd_ardata (abfd) == (struct artdata *) NULL)
3218 bfd_set_error (bfd_error_no_memory);
3219 return (const bfd_target *) NULL;
3222 bfd_ardata (abfd)->first_file_filepos = SARMAG;
3223 bfd_ardata (abfd)->cache = NULL;
3224 bfd_ardata (abfd)->archive_head = NULL;
3225 bfd_ardata (abfd)->symdefs = NULL;
3226 bfd_ardata (abfd)->extended_names = NULL;
3227 bfd_ardata (abfd)->tdata = NULL;
3229 if (_bfd_ecoff_slurp_armap (abfd) == false
3230 || _bfd_ecoff_slurp_extended_name_table (abfd) == false)
3232 bfd_release (abfd, bfd_ardata (abfd));
3233 abfd->tdata.aout_ar_data = (struct artdata *) NULL;
3234 return (const bfd_target *) NULL;
3240 /* ECOFF linker code. */
3242 static struct bfd_hash_entry *ecoff_link_hash_newfunc
3243 PARAMS ((struct bfd_hash_entry *entry,
3244 struct bfd_hash_table *table,
3245 const char *string));
3246 static boolean ecoff_link_add_archive_symbols
3247 PARAMS ((bfd *, struct bfd_link_info *));
3248 static boolean ecoff_link_check_archive_element
3249 PARAMS ((bfd *, struct bfd_link_info *, boolean *pneeded));
3250 static boolean ecoff_link_add_object_symbols
3251 PARAMS ((bfd *, struct bfd_link_info *));
3252 static boolean ecoff_link_add_externals
3253 PARAMS ((bfd *, struct bfd_link_info *, PTR, char *));
3255 /* Routine to create an entry in an ECOFF link hash table. */
3257 static struct bfd_hash_entry *
3258 ecoff_link_hash_newfunc (entry, table, string)
3259 struct bfd_hash_entry *entry;
3260 struct bfd_hash_table *table;
3263 struct ecoff_link_hash_entry *ret = (struct ecoff_link_hash_entry *) entry;
3265 /* Allocate the structure if it has not already been allocated by a
3267 if (ret == (struct ecoff_link_hash_entry *) NULL)
3268 ret = ((struct ecoff_link_hash_entry *)
3269 bfd_hash_allocate (table, sizeof (struct ecoff_link_hash_entry)));
3270 if (ret == (struct ecoff_link_hash_entry *) NULL)
3272 bfd_set_error (bfd_error_no_memory);
3276 /* Call the allocation method of the superclass. */
3277 ret = ((struct ecoff_link_hash_entry *)
3278 _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3283 /* Set local fields. */
3289 memset ((PTR) &ret->esym, 0, sizeof ret->esym);
3291 return (struct bfd_hash_entry *) ret;
3294 /* Create an ECOFF link hash table. */
3296 struct bfd_link_hash_table *
3297 _bfd_ecoff_bfd_link_hash_table_create (abfd)
3300 struct ecoff_link_hash_table *ret;
3302 ret = ((struct ecoff_link_hash_table *)
3303 malloc (sizeof (struct ecoff_link_hash_table)));
3306 bfd_set_error (bfd_error_no_memory);
3309 if (! _bfd_link_hash_table_init (&ret->root, abfd,
3310 ecoff_link_hash_newfunc))
3313 return (struct bfd_link_hash_table *) NULL;
3318 /* Look up an entry in an ECOFF link hash table. */
3320 #define ecoff_link_hash_lookup(table, string, create, copy, follow) \
3321 ((struct ecoff_link_hash_entry *) \
3322 bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
3324 /* Traverse an ECOFF link hash table. */
3326 #define ecoff_link_hash_traverse(table, func, info) \
3327 (bfd_link_hash_traverse \
3329 (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
3332 /* Get the ECOFF link hash table from the info structure. This is
3335 #define ecoff_hash_table(p) ((struct ecoff_link_hash_table *) ((p)->hash))
3337 /* Given an ECOFF BFD, add symbols to the global hash table as
3341 _bfd_ecoff_bfd_link_add_symbols (abfd, info)
3343 struct bfd_link_info *info;
3345 switch (bfd_get_format (abfd))
3348 return ecoff_link_add_object_symbols (abfd, info);
3350 return ecoff_link_add_archive_symbols (abfd, info);
3352 bfd_set_error (bfd_error_wrong_format);
3357 /* Add the symbols from an archive file to the global hash table.
3358 This looks through the undefined symbols, looks each one up in the
3359 archive hash table, and adds any associated object file. We do not
3360 use _bfd_generic_link_add_archive_symbols because ECOFF archives
3361 already have a hash table, so there is no reason to construct
3365 ecoff_link_add_archive_symbols (abfd, info)
3367 struct bfd_link_info *info;
3369 const bfd_byte *raw_armap;
3370 struct bfd_link_hash_entry **pundef;
3371 unsigned int armap_count;
3372 unsigned int armap_log;
3374 const bfd_byte *hashtable;
3375 const char *stringbase;
3377 if (! bfd_has_map (abfd))
3379 /* An empty archive is a special case. */
3380 if (bfd_openr_next_archived_file (abfd, (bfd *) NULL) == NULL)
3382 bfd_set_error (bfd_error_no_armap);
3386 /* If we don't have any raw data for this archive, as can happen on
3387 Irix 4.0.5F, we call the generic routine.
3388 FIXME: We should be more clever about this, since someday tdata
3389 may get to something for a generic archive. */
3390 raw_armap = (const bfd_byte *) bfd_ardata (abfd)->tdata;
3391 if (raw_armap == (bfd_byte *) NULL)
3392 return (_bfd_generic_link_add_archive_symbols
3393 (abfd, info, ecoff_link_check_archive_element));
3395 armap_count = bfd_h_get_32 (abfd, raw_armap);
3398 for (i = 1; i < armap_count; i <<= 1)
3400 BFD_ASSERT (i == armap_count);
3402 hashtable = raw_armap + 4;
3403 stringbase = (const char *) raw_armap + armap_count * 8 + 8;
3405 /* Look through the list of undefined symbols. */
3406 pundef = &info->hash->undefs;
3407 while (*pundef != (struct bfd_link_hash_entry *) NULL)
3409 struct bfd_link_hash_entry *h;
3410 unsigned int hash, rehash;
3411 unsigned int file_offset;
3417 /* When a symbol is defined, it is not necessarily removed from
3419 if (h->type != bfd_link_hash_undefined
3420 && h->type != bfd_link_hash_common)
3422 /* Remove this entry from the list, for general cleanliness
3423 and because we are going to look through the list again
3424 if we search any more libraries. We can't remove the
3425 entry if it is the tail, because that would lose any
3426 entries we add to the list later on. */
3427 if (*pundef != info->hash->undefs_tail)
3428 *pundef = (*pundef)->next;
3430 pundef = &(*pundef)->next;
3434 /* Native ECOFF linkers do not pull in archive elements merely
3435 to satisfy common definitions, so neither do we. We leave
3436 them on the list, though, in case we are linking against some
3437 other object format. */
3438 if (h->type != bfd_link_hash_undefined)
3440 pundef = &(*pundef)->next;
3444 /* Look for this symbol in the archive hash table. */
3445 hash = ecoff_armap_hash (h->root.string, &rehash, armap_count,
3448 file_offset = bfd_h_get_32 (abfd, hashtable + (hash * 8) + 4);
3449 if (file_offset == 0)
3451 /* Nothing in this slot. */
3452 pundef = &(*pundef)->next;
3456 name = stringbase + bfd_h_get_32 (abfd, hashtable + (hash * 8));
3457 if (name[0] != h->root.string[0]
3458 || strcmp (name, h->root.string) != 0)
3463 /* That was the wrong symbol. Try rehashing. */
3465 for (srch = (hash + rehash) & (armap_count - 1);
3467 srch = (srch + rehash) & (armap_count - 1))
3469 file_offset = bfd_h_get_32 (abfd, hashtable + (srch * 8) + 4);
3470 if (file_offset == 0)
3472 name = stringbase + bfd_h_get_32 (abfd, hashtable + (srch * 8));
3473 if (name[0] == h->root.string[0]
3474 && strcmp (name, h->root.string) == 0)
3483 pundef = &(*pundef)->next;
3490 element = _bfd_get_elt_at_filepos (abfd, file_offset);
3491 if (element == (bfd *) NULL)
3494 if (! bfd_check_format (element, bfd_object))
3497 /* Unlike the generic linker, we know that this element provides
3498 a definition for an undefined symbol and we know that we want
3499 to include it. We don't need to check anything. */
3500 if (! (*info->callbacks->add_archive_element) (info, element, name))
3502 if (! ecoff_link_add_object_symbols (element, info))
3505 pundef = &(*pundef)->next;
3511 /* This is called if we used _bfd_generic_link_add_archive_symbols
3512 because we were not dealing with an ECOFF archive. */
3515 ecoff_link_check_archive_element (abfd, info, pneeded)
3517 struct bfd_link_info *info;
3520 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
3521 void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *))
3522 = backend->debug_swap.swap_ext_in;
3524 bfd_size_type external_ext_size;
3525 PTR external_ext = NULL;
3533 if (! ecoff_slurp_symbolic_header (abfd))
3536 /* If there are no symbols, we don't want it. */
3537 if (bfd_get_symcount (abfd) == 0)
3538 goto successful_return;
3540 symhdr = &ecoff_data (abfd)->debug_info.symbolic_header;
3542 /* Read in the external symbols and external strings. */
3543 external_ext_size = backend->debug_swap.external_ext_size;
3544 esize = symhdr->iextMax * external_ext_size;
3545 external_ext = (PTR) malloc (esize);
3546 if (external_ext == NULL && esize != 0)
3548 bfd_set_error (bfd_error_no_memory);
3552 if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0
3553 || bfd_read (external_ext, 1, esize, abfd) != esize)
3556 ssext = (char *) malloc (symhdr->issExtMax);
3557 if (ssext == NULL && symhdr->issExtMax != 0)
3559 bfd_set_error (bfd_error_no_memory);
3563 if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0
3564 || bfd_read (ssext, 1, symhdr->issExtMax, abfd) != symhdr->issExtMax)
3567 /* Look through the external symbols to see if they define some
3568 symbol that is currently undefined. */
3569 ext_ptr = (char *) external_ext;
3570 ext_end = ext_ptr + esize;
3571 for (; ext_ptr < ext_end; ext_ptr += external_ext_size)
3576 struct bfd_link_hash_entry *h;
3578 (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym);
3580 /* See if this symbol defines something. */
3581 if (esym.asym.st != stGlobal
3582 && esym.asym.st != stLabel
3583 && esym.asym.st != stProc)
3586 switch (esym.asym.sc)
3609 name = ssext + esym.asym.iss;
3610 h = bfd_link_hash_lookup (info->hash, name, false, false, true);
3612 /* Unlike the generic linker, we do not pull in elements because
3613 of common symbols. */
3614 if (h == (struct bfd_link_hash_entry *) NULL
3615 || h->type != bfd_link_hash_undefined)
3618 /* Include this element. */
3619 if (! (*info->callbacks->add_archive_element) (info, abfd, name))
3621 if (! ecoff_link_add_externals (abfd, info, external_ext, ssext))
3625 goto successful_return;
3629 if (external_ext != NULL)
3630 free (external_ext);
3635 if (external_ext != NULL)
3636 free (external_ext);
3642 /* Add symbols from an ECOFF object file to the global linker hash
3646 ecoff_link_add_object_symbols (abfd, info)
3648 struct bfd_link_info *info;
3651 bfd_size_type external_ext_size;
3652 PTR external_ext = NULL;
3657 if (! ecoff_slurp_symbolic_header (abfd))
3660 /* If there are no symbols, we don't want it. */
3661 if (bfd_get_symcount (abfd) == 0)
3664 symhdr = &ecoff_data (abfd)->debug_info.symbolic_header;
3666 /* Read in the external symbols and external strings. */
3667 external_ext_size = ecoff_backend (abfd)->debug_swap.external_ext_size;
3668 esize = symhdr->iextMax * external_ext_size;
3669 external_ext = (PTR) malloc (esize);
3670 if (external_ext == NULL && esize != 0)
3672 bfd_set_error (bfd_error_no_memory);
3676 if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0
3677 || bfd_read (external_ext, 1, esize, abfd) != esize)
3680 ssext = (char *) malloc (symhdr->issExtMax);
3681 if (ssext == NULL && symhdr->issExtMax != 0)
3683 bfd_set_error (bfd_error_no_memory);
3687 if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0
3688 || bfd_read (ssext, 1, symhdr->issExtMax, abfd) != symhdr->issExtMax)
3691 result = ecoff_link_add_externals (abfd, info, external_ext, ssext);
3695 if (external_ext != NULL)
3696 free (external_ext);
3702 if (external_ext != NULL)
3703 free (external_ext);
3707 /* Add the external symbols of an object file to the global linker
3708 hash table. The external symbols and strings we are passed are
3709 just allocated on the stack, and will be discarded. We must
3710 explicitly save any information we may need later on in the link.
3711 We do not want to read the external symbol information again. */
3714 ecoff_link_add_externals (abfd, info, external_ext, ssext)
3716 struct bfd_link_info *info;
3720 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
3721 void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *))
3722 = backend->debug_swap.swap_ext_in;
3723 bfd_size_type external_ext_size = backend->debug_swap.external_ext_size;
3724 unsigned long ext_count;
3725 struct ecoff_link_hash_entry **sym_hash;
3729 ext_count = ecoff_data (abfd)->debug_info.symbolic_header.iextMax;
3731 sym_hash = ((struct ecoff_link_hash_entry **)
3733 ext_count * sizeof (struct bfd_link_hash_entry *)));
3736 bfd_set_error (bfd_error_no_memory);
3739 ecoff_data (abfd)->sym_hashes = sym_hash;
3741 ext_ptr = (char *) external_ext;
3742 ext_end = ext_ptr + ext_count * external_ext_size;
3743 for (; ext_ptr < ext_end; ext_ptr += external_ext_size, sym_hash++)
3750 struct ecoff_link_hash_entry *h;
3754 (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym);
3756 /* Skip debugging symbols. */
3758 switch (esym.asym.st)
3774 /* Get the information for this symbol. */
3775 value = esym.asym.value;
3776 switch (esym.asym.sc)
3796 section = bfd_make_section_old_way (abfd, ".text");
3797 value -= section->vma;
3800 section = bfd_make_section_old_way (abfd, ".data");
3801 value -= section->vma;
3804 section = bfd_make_section_old_way (abfd, ".bss");
3805 value -= section->vma;
3808 section = bfd_abs_section_ptr;
3811 section = bfd_und_section_ptr;
3814 section = bfd_make_section_old_way (abfd, ".sdata");
3815 value -= section->vma;
3818 section = bfd_make_section_old_way (abfd, ".sbss");
3819 value -= section->vma;
3822 section = bfd_make_section_old_way (abfd, ".rdata");
3823 value -= section->vma;
3826 if (value > ecoff_data (abfd)->gp_size)
3828 section = bfd_com_section_ptr;
3833 if (ecoff_scom_section.name == NULL)
3835 /* Initialize the small common section. */
3836 ecoff_scom_section.name = SCOMMON;
3837 ecoff_scom_section.flags = SEC_IS_COMMON;
3838 ecoff_scom_section.output_section = &ecoff_scom_section;
3839 ecoff_scom_section.symbol = &ecoff_scom_symbol;
3840 ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr;
3841 ecoff_scom_symbol.name = SCOMMON;
3842 ecoff_scom_symbol.flags = BSF_SECTION_SYM;
3843 ecoff_scom_symbol.section = &ecoff_scom_section;
3844 ecoff_scom_symbol_ptr = &ecoff_scom_symbol;
3846 section = &ecoff_scom_section;
3849 section = bfd_und_section_ptr;
3852 section = bfd_make_section_old_way (abfd, ".init");
3853 value -= section->vma;
3856 section = bfd_make_section_old_way (abfd, ".fini");
3857 value -= section->vma;
3861 if (section == (asection *) NULL)
3864 name = ssext + esym.asym.iss;
3867 if (! (_bfd_generic_link_add_one_symbol
3868 (info, abfd, name, BSF_GLOBAL, section, value,
3869 (const char *) NULL, true, true,
3870 (struct bfd_link_hash_entry **) &h)))
3875 /* If we are building an ECOFF hash table, save the external
3876 symbol information. */
3877 if (info->hash->creator->flavour == bfd_get_flavour (abfd))
3879 if (h->abfd == (bfd *) NULL
3880 || (! bfd_is_und_section (section)
3881 && (! bfd_is_com_section (section)
3882 || (h->root.type != bfd_link_hash_defined
3883 && h->root.type != bfd_link_hash_defweak))))
3889 /* Remember whether this symbol was small undefined. */
3890 if (esym.asym.sc == scSUndefined)
3893 /* If this symbol was ever small undefined, it needs to wind
3894 up in a GP relative section. We can't control the
3895 section of a defined symbol, but we can control the
3896 section of a common symbol. This case is actually needed
3897 on Ultrix 4.2 to handle the symbol cred in -lckrb. */
3899 && h->root.type == bfd_link_hash_common
3900 && strcmp (h->root.u.c.p->section->name, SCOMMON) != 0)
3902 h->root.u.c.p->section = bfd_make_section_old_way (abfd,
3904 h->root.u.c.p->section->flags = SEC_ALLOC;
3905 if (h->esym.asym.sc == scCommon)
3906 h->esym.asym.sc = scSCommon;
3914 /* ECOFF final link routines. */
3916 static boolean ecoff_final_link_debug_accumulate
3917 PARAMS ((bfd *output_bfd, bfd *input_bfd, struct bfd_link_info *,
3919 static boolean ecoff_link_write_external
3920 PARAMS ((struct ecoff_link_hash_entry *, PTR));
3921 static boolean ecoff_indirect_link_order
3922 PARAMS ((bfd *, struct bfd_link_info *, asection *,
3923 struct bfd_link_order *));
3924 static boolean ecoff_reloc_link_order
3925 PARAMS ((bfd *, struct bfd_link_info *, asection *,
3926 struct bfd_link_order *));
3928 /* ECOFF final link routine. This looks through all the input BFDs
3929 and gathers together all the debugging information, and then
3930 processes all the link order information. This may cause it to
3931 close and reopen some input BFDs; I'll see how bad this is. */
3934 _bfd_ecoff_bfd_final_link (abfd, info)
3936 struct bfd_link_info *info;
3938 const struct ecoff_backend_data * const backend = ecoff_backend (abfd);
3939 struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info;
3942 register bfd *input_bfd;
3944 struct bfd_link_order *p;
3946 /* We accumulate the debugging information counts in the symbolic
3948 symhdr = &debug->symbolic_header;
3950 symhdr->ilineMax = 0;
3954 symhdr->isymMax = 0;
3955 symhdr->ioptMax = 0;
3956 symhdr->iauxMax = 0;
3958 symhdr->issExtMax = 0;
3961 symhdr->iextMax = 0;
3963 /* We accumulate the debugging information itself in the debug_info
3966 debug->external_dnr = NULL;
3967 debug->external_pdr = NULL;
3968 debug->external_sym = NULL;
3969 debug->external_opt = NULL;
3970 debug->external_aux = NULL;
3972 debug->ssext = debug->ssext_end = NULL;
3973 debug->external_fdr = NULL;
3974 debug->external_rfd = NULL;
3975 debug->external_ext = debug->external_ext_end = NULL;
3977 handle = bfd_ecoff_debug_init (abfd, debug, &backend->debug_swap, info);
3978 if (handle == (PTR) NULL)
3981 /* Accumulate the debugging symbols from each input BFD. */
3982 for (input_bfd = info->input_bfds;
3983 input_bfd != (bfd *) NULL;
3984 input_bfd = input_bfd->link_next)
3988 if (bfd_get_flavour (input_bfd) == bfd_target_ecoff_flavour)
3990 /* Abitrarily set the symbolic header vstamp to the vstamp
3991 of the first object file in the link. */
3992 if (symhdr->vstamp == 0)
3994 = ecoff_data (input_bfd)->debug_info.symbolic_header.vstamp;
3995 ret = ecoff_final_link_debug_accumulate (abfd, input_bfd, info,
3999 ret = bfd_ecoff_debug_accumulate_other (handle, abfd,
4000 debug, &backend->debug_swap,
4005 /* Combine the register masks. */
4006 ecoff_data (abfd)->gprmask |= ecoff_data (input_bfd)->gprmask;
4007 ecoff_data (abfd)->fprmask |= ecoff_data (input_bfd)->fprmask;
4008 ecoff_data (abfd)->cprmask[0] |= ecoff_data (input_bfd)->cprmask[0];
4009 ecoff_data (abfd)->cprmask[1] |= ecoff_data (input_bfd)->cprmask[1];
4010 ecoff_data (abfd)->cprmask[2] |= ecoff_data (input_bfd)->cprmask[2];
4011 ecoff_data (abfd)->cprmask[3] |= ecoff_data (input_bfd)->cprmask[3];
4014 /* Write out the external symbols. */
4015 ecoff_link_hash_traverse (ecoff_hash_table (info),
4016 ecoff_link_write_external,
4019 if (info->relocateable)
4021 /* We need to make a pass over the link_orders to count up the
4022 number of relocations we will need to output, so that we know
4023 how much space they will take up. */
4024 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
4027 for (p = o->link_order_head;
4028 p != (struct bfd_link_order *) NULL;
4030 if (p->type == bfd_indirect_link_order)
4031 o->reloc_count += p->u.indirect.section->reloc_count;
4032 else if (p->type == bfd_section_reloc_link_order
4033 || p->type == bfd_symbol_reloc_link_order)
4038 /* Compute the reloc and symbol file positions. */
4039 ecoff_compute_reloc_file_positions (abfd);
4041 /* Write out the debugging information. */
4042 if (! bfd_ecoff_write_accumulated_debug (handle, abfd, debug,
4043 &backend->debug_swap, info,
4044 ecoff_data (abfd)->sym_filepos))
4047 bfd_ecoff_debug_free (handle, abfd, debug, &backend->debug_swap, info);
4049 if (info->relocateable)
4051 /* Now reset the reloc_count field of the sections in the output
4052 BFD to 0, so that we can use them to keep track of how many
4053 relocs we have output thus far. */
4054 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
4058 /* Get a value for the GP register. */
4059 if (ecoff_data (abfd)->gp == 0)
4061 struct bfd_link_hash_entry *h;
4063 h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true);
4064 if (h != (struct bfd_link_hash_entry *) NULL
4065 && h->type == bfd_link_hash_defined)
4066 ecoff_data (abfd)->gp = (h->u.def.value
4067 + h->u.def.section->output_section->vma
4068 + h->u.def.section->output_offset);
4069 else if (info->relocateable)
4073 /* Make up a value. */
4075 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
4078 && (strcmp (o->name, _SBSS) == 0
4079 || strcmp (o->name, _SDATA) == 0
4080 || strcmp (o->name, _LIT4) == 0
4081 || strcmp (o->name, _LIT8) == 0
4082 || strcmp (o->name, _LITA) == 0))
4085 ecoff_data (abfd)->gp = lo + 0x8000;
4089 /* If the relocate_section function needs to do a reloc
4090 involving the GP value, it should make a reloc_dangerous
4091 callback to warn that GP is not defined. */
4095 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
4097 for (p = o->link_order_head;
4098 p != (struct bfd_link_order *) NULL;
4101 if (p->type == bfd_indirect_link_order
4102 && (bfd_get_flavour (p->u.indirect.section->owner)
4103 == bfd_target_ecoff_flavour))
4105 if (! ecoff_indirect_link_order (abfd, info, o, p))
4108 else if (p->type == bfd_section_reloc_link_order
4109 || p->type == bfd_symbol_reloc_link_order)
4111 if (! ecoff_reloc_link_order (abfd, info, o, p))
4116 if (! _bfd_default_link_order (abfd, info, o, p))
4122 bfd_get_symcount (abfd) = symhdr->iextMax + symhdr->isymMax;
4124 ecoff_data (abfd)->linker = true;
4129 /* Accumulate the debugging information for an input BFD into the
4130 output BFD. This must read in the symbolic information of the
4134 ecoff_final_link_debug_accumulate (output_bfd, input_bfd, info, handle)
4137 struct bfd_link_info *info;
4140 struct ecoff_debug_info * const debug = &ecoff_data (input_bfd)->debug_info;
4141 const struct ecoff_debug_swap * const swap =
4142 &ecoff_backend (input_bfd)->debug_swap;
4143 HDRR *symhdr = &debug->symbolic_header;
4146 #define READ(ptr, offset, count, size, type) \
4147 if (symhdr->count == 0) \
4148 debug->ptr = NULL; \
4151 debug->ptr = (type) malloc (size * symhdr->count); \
4152 if (debug->ptr == NULL) \
4154 bfd_set_error (bfd_error_no_memory); \
4156 goto return_something; \
4158 if ((bfd_seek (input_bfd, (file_ptr) symhdr->offset, SEEK_SET) \
4160 || (bfd_read (debug->ptr, size, symhdr->count, \
4161 input_bfd) != size * symhdr->count)) \
4164 goto return_something; \
4168 /* If raw_syments is not NULL, then the data was already by read by
4169 _bfd_ecoff_slurp_symbolic_info. */
4170 if (ecoff_data (input_bfd)->raw_syments == NULL)
4172 READ (line, cbLineOffset, cbLine, sizeof (unsigned char),
4174 READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, PTR);
4175 READ (external_pdr, cbPdOffset, ipdMax, swap->external_pdr_size, PTR);
4176 READ (external_sym, cbSymOffset, isymMax, swap->external_sym_size, PTR);
4177 READ (external_opt, cbOptOffset, ioptMax, swap->external_opt_size, PTR);
4178 READ (external_aux, cbAuxOffset, iauxMax, sizeof (union aux_ext),
4180 READ (ss, cbSsOffset, issMax, sizeof (char), char *);
4181 READ (external_fdr, cbFdOffset, ifdMax, swap->external_fdr_size, PTR);
4182 READ (external_rfd, cbRfdOffset, crfd, swap->external_rfd_size, PTR);
4186 /* We do not read the external strings or the external symbols. */
4188 ret = (bfd_ecoff_debug_accumulate
4189 (handle, output_bfd, &ecoff_data (output_bfd)->debug_info,
4190 &ecoff_backend (output_bfd)->debug_swap,
4191 input_bfd, debug, swap, info));
4194 if (ecoff_data (input_bfd)->raw_syments == NULL)
4196 if (debug->line != NULL)
4198 if (debug->external_dnr != NULL)
4199 free (debug->external_dnr);
4200 if (debug->external_pdr != NULL)
4201 free (debug->external_pdr);
4202 if (debug->external_sym != NULL)
4203 free (debug->external_sym);
4204 if (debug->external_opt != NULL)
4205 free (debug->external_opt);
4206 if (debug->external_aux != NULL)
4207 free (debug->external_aux);
4208 if (debug->ss != NULL)
4210 if (debug->external_fdr != NULL)
4211 free (debug->external_fdr);
4212 if (debug->external_rfd != NULL)
4213 free (debug->external_rfd);
4215 /* Make sure we don't accidentally follow one of these pointers
4216 into freed memory. */
4218 debug->external_dnr = NULL;
4219 debug->external_pdr = NULL;
4220 debug->external_sym = NULL;
4221 debug->external_opt = NULL;
4222 debug->external_aux = NULL;
4224 debug->external_fdr = NULL;
4225 debug->external_rfd = NULL;
4231 /* Put out information for an external symbol. These come only from
4235 ecoff_link_write_external (h, data)
4236 struct ecoff_link_hash_entry *h;
4239 bfd *output_bfd = (bfd *) data;
4241 /* FIXME: We should check if this symbol is being stripped. */
4246 if (h->abfd == (bfd *) NULL)
4249 h->esym.cobol_main = 0;
4250 h->esym.weakext = 0;
4251 h->esym.reserved = 0;
4252 h->esym.ifd = ifdNil;
4253 h->esym.asym.value = 0;
4254 h->esym.asym.st = stGlobal;
4256 if (h->root.type != bfd_link_hash_defined
4257 && h->root.type != bfd_link_hash_defweak)
4258 h->esym.asym.sc = scAbs;
4261 asection *output_section;
4264 output_section = h->root.u.def.section->output_section;
4265 name = bfd_section_name (output_section->owner, output_section);
4267 if (strcmp (name, _TEXT) == 0)
4268 h->esym.asym.sc = scText;
4269 else if (strcmp (name, _DATA) == 0)
4270 h->esym.asym.sc = scData;
4271 else if (strcmp (name, _SDATA) == 0)
4272 h->esym.asym.sc = scSData;
4273 else if (strcmp (name, _RDATA) == 0)
4274 h->esym.asym.sc = scRData;
4275 else if (strcmp (name, _BSS) == 0)
4276 h->esym.asym.sc = scBss;
4277 else if (strcmp (name, _SBSS) == 0)
4278 h->esym.asym.sc = scSBss;
4279 else if (strcmp (name, _INIT) == 0)
4280 h->esym.asym.sc = scInit;
4281 else if (strcmp (name, _FINI) == 0)
4282 h->esym.asym.sc = scFini;
4283 else if (strcmp (name, _PDATA) == 0)
4284 h->esym.asym.sc = scPData;
4285 else if (strcmp (name, _XDATA) == 0)
4286 h->esym.asym.sc = scXData;
4288 h->esym.asym.sc = scAbs;
4291 h->esym.asym.reserved = 0;
4292 h->esym.asym.index = indexNil;
4294 else if (h->esym.ifd != -1)
4296 struct ecoff_debug_info *debug;
4298 /* Adjust the FDR index for the symbol by that used for the
4300 debug = &ecoff_data (h->abfd)->debug_info;
4301 BFD_ASSERT (h->esym.ifd >= 0
4302 && h->esym.ifd < debug->symbolic_header.ifdMax);
4303 h->esym.ifd = debug->ifdmap[h->esym.ifd];
4306 switch (h->root.type)
4309 case bfd_link_hash_new:
4311 case bfd_link_hash_undefined:
4312 case bfd_link_hash_undefweak:
4313 if (h->esym.asym.sc != scUndefined
4314 && h->esym.asym.sc != scSUndefined)
4315 h->esym.asym.sc = scUndefined;
4317 case bfd_link_hash_defined:
4318 case bfd_link_hash_defweak:
4319 if (h->esym.asym.sc == scUndefined
4320 || h->esym.asym.sc == scSUndefined)
4321 h->esym.asym.sc = scAbs;
4322 else if (h->esym.asym.sc == scCommon)
4323 h->esym.asym.sc = scBss;
4324 else if (h->esym.asym.sc == scSCommon)
4325 h->esym.asym.sc = scSBss;
4326 h->esym.asym.value = (h->root.u.def.value
4327 + h->root.u.def.section->output_section->vma
4328 + h->root.u.def.section->output_offset);
4330 case bfd_link_hash_common:
4331 if (h->esym.asym.sc != scCommon
4332 && h->esym.asym.sc != scSCommon)
4333 h->esym.asym.sc = scCommon;
4334 h->esym.asym.value = h->root.u.c.size;
4336 case bfd_link_hash_indirect:
4337 case bfd_link_hash_warning:
4338 /* FIXME: Ignore these for now. The circumstances under which
4339 they should be written out are not clear to me. */
4343 /* bfd_ecoff_debug_one_external uses iextMax to keep track of the
4345 h->indx = ecoff_data (output_bfd)->debug_info.symbolic_header.iextMax;
4348 return (bfd_ecoff_debug_one_external
4349 (output_bfd, &ecoff_data (output_bfd)->debug_info,
4350 &ecoff_backend (output_bfd)->debug_swap, h->root.root.string,
4354 /* Relocate and write an ECOFF section into an ECOFF output file. */
4357 ecoff_indirect_link_order (output_bfd, info, output_section, link_order)
4359 struct bfd_link_info *info;
4360 asection *output_section;
4361 struct bfd_link_order *link_order;
4363 asection *input_section;
4365 struct ecoff_section_tdata *section_tdata;
4366 bfd_size_type raw_size;
4367 bfd_size_type cooked_size;
4368 bfd_byte *contents = NULL;
4369 bfd_size_type external_reloc_size;
4370 bfd_size_type external_relocs_size;
4371 PTR external_relocs = NULL;
4373 BFD_ASSERT ((output_section->flags & SEC_HAS_CONTENTS) != 0);
4375 if (link_order->size == 0)
4378 input_section = link_order->u.indirect.section;
4379 input_bfd = input_section->owner;
4380 section_tdata = ecoff_section_data (input_bfd, input_section);
4382 raw_size = input_section->_raw_size;
4383 cooked_size = input_section->_cooked_size;
4384 if (cooked_size == 0)
4385 cooked_size = raw_size;
4387 BFD_ASSERT (input_section->output_section == output_section);
4388 BFD_ASSERT (input_section->output_offset == link_order->offset);
4389 BFD_ASSERT (cooked_size == link_order->size);
4391 /* Get the section contents. We allocate memory for the larger of
4392 the size before relocating and the size after relocating. */
4393 contents = (bfd_byte *) malloc (raw_size >= cooked_size
4396 if (contents == NULL && raw_size != 0)
4398 bfd_set_error (bfd_error_no_memory);
4402 /* If we are relaxing, the contents may have already been read into
4403 memory, in which case we copy them into our new buffer. We don't
4404 simply reuse the old buffer in case cooked_size > raw_size. */
4405 if (section_tdata != (struct ecoff_section_tdata *) NULL
4406 && section_tdata->contents != (bfd_byte *) NULL)
4407 memcpy (contents, section_tdata->contents, raw_size);
4410 if (! bfd_get_section_contents (input_bfd, input_section,
4412 (file_ptr) 0, raw_size))
4416 /* Get the relocs. If we are relaxing MIPS code, they will already
4417 have been read in. Otherwise, we read them in now. */
4418 external_reloc_size = ecoff_backend (input_bfd)->external_reloc_size;
4419 external_relocs_size = external_reloc_size * input_section->reloc_count;
4421 if (section_tdata != (struct ecoff_section_tdata *) NULL)
4422 external_relocs = section_tdata->external_relocs;
4425 external_relocs = (PTR) malloc (external_relocs_size);
4426 if (external_relocs == NULL && external_relocs_size != 0)
4428 bfd_set_error (bfd_error_no_memory);
4432 if (bfd_seek (input_bfd, input_section->rel_filepos, SEEK_SET) != 0
4433 || (bfd_read (external_relocs, 1, external_relocs_size, input_bfd)
4434 != external_relocs_size))
4438 /* Relocate the section contents. */
4439 if (! ((*ecoff_backend (input_bfd)->relocate_section)
4440 (output_bfd, info, input_bfd, input_section, contents,
4444 /* Write out the relocated section. */
4445 if (! bfd_set_section_contents (output_bfd,
4448 input_section->output_offset,
4452 /* If we are producing relocateable output, the relocs were
4453 modified, and we write them out now. We use the reloc_count
4454 field of output_section to keep track of the number of relocs we
4455 have output so far. */
4456 if (info->relocateable)
4458 if (bfd_seek (output_bfd,
4459 (output_section->rel_filepos +
4460 output_section->reloc_count * external_reloc_size),
4462 || (bfd_write (external_relocs, 1, external_relocs_size, output_bfd)
4463 != external_relocs_size))
4465 output_section->reloc_count += input_section->reloc_count;
4468 if (contents != NULL)
4470 if (external_relocs != NULL && section_tdata == NULL)
4471 free (external_relocs);
4475 if (contents != NULL)
4477 if (external_relocs != NULL && section_tdata == NULL)
4478 free (external_relocs);
4482 /* Generate a reloc when linking an ECOFF file. This is a reloc
4483 requested by the linker, and does come from any input file. This
4484 is used to build constructor and destructor tables when linking
4488 ecoff_reloc_link_order (output_bfd, info, output_section, link_order)
4490 struct bfd_link_info *info;
4491 asection *output_section;
4492 struct bfd_link_order *link_order;
4495 struct internal_reloc in;
4496 bfd_size_type external_reloc_size;
4500 /* We set up an arelent to pass to the backend adjust_reloc_out
4502 rel.address = link_order->offset;
4504 rel.howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc);
4507 bfd_set_error (bfd_error_bad_value);
4511 if (link_order->type == bfd_section_reloc_link_order)
4512 rel.sym_ptr_ptr = link_order->u.reloc.p->u.section->symbol_ptr_ptr;
4515 /* We can't set up a reloc against a symbol correctly, because
4516 we have no asymbol structure. Currently no adjust_reloc_out
4518 rel.sym_ptr_ptr = (asymbol **) NULL;
4521 /* All ECOFF relocs are in-place. Put the addend into the object
4524 BFD_ASSERT (rel.howto->partial_inplace);
4525 if (link_order->u.reloc.p->addend != 0)
4528 bfd_reloc_status_type rstat;
4532 size = bfd_get_reloc_size (rel.howto);
4533 buf = (bfd_byte *) bfd_zmalloc (size);
4534 if (buf == (bfd_byte *) NULL)
4536 bfd_set_error (bfd_error_no_memory);
4539 rstat = _bfd_relocate_contents (rel.howto, output_bfd,
4540 link_order->u.reloc.p->addend, buf);
4546 case bfd_reloc_outofrange:
4548 case bfd_reloc_overflow:
4549 if (! ((*info->callbacks->reloc_overflow)
4551 (link_order->type == bfd_section_reloc_link_order
4552 ? bfd_section_name (output_bfd,
4553 link_order->u.reloc.p->u.section)
4554 : link_order->u.reloc.p->u.name),
4555 rel.howto->name, link_order->u.reloc.p->addend,
4556 (bfd *) NULL, (asection *) NULL, (bfd_vma) 0)))
4563 ok = bfd_set_section_contents (output_bfd, output_section, (PTR) buf,
4564 (file_ptr) link_order->offset, size);
4572 /* Move the information into a internal_reloc structure. */
4573 in.r_vaddr = (rel.address
4574 + bfd_get_section_vma (output_bfd, output_section));
4575 in.r_type = rel.howto->type;
4577 if (link_order->type == bfd_symbol_reloc_link_order)
4579 struct ecoff_link_hash_entry *h;
4581 h = ecoff_link_hash_lookup (ecoff_hash_table (info),
4582 link_order->u.reloc.p->u.name,
4583 false, false, true);
4584 if (h != (struct ecoff_link_hash_entry *) NULL
4586 in.r_symndx = h->indx;
4589 if (! ((*info->callbacks->unattached_reloc)
4590 (info, link_order->u.reloc.p->u.name, (bfd *) NULL,
4591 (asection *) NULL, (bfd_vma) 0)))
4601 name = bfd_get_section_name (output_bfd,
4602 link_order->u.reloc.p->u.section);
4603 if (strcmp (name, ".text") == 0)
4604 in.r_symndx = RELOC_SECTION_TEXT;
4605 else if (strcmp (name, ".rdata") == 0)
4606 in.r_symndx = RELOC_SECTION_RDATA;
4607 else if (strcmp (name, ".data") == 0)
4608 in.r_symndx = RELOC_SECTION_DATA;
4609 else if (strcmp (name, ".sdata") == 0)
4610 in.r_symndx = RELOC_SECTION_SDATA;
4611 else if (strcmp (name, ".sbss") == 0)
4612 in.r_symndx = RELOC_SECTION_SBSS;
4613 else if (strcmp (name, ".bss") == 0)
4614 in.r_symndx = RELOC_SECTION_BSS;
4615 else if (strcmp (name, ".init") == 0)
4616 in.r_symndx = RELOC_SECTION_INIT;
4617 else if (strcmp (name, ".lit8") == 0)
4618 in.r_symndx = RELOC_SECTION_LIT8;
4619 else if (strcmp (name, ".lit4") == 0)
4620 in.r_symndx = RELOC_SECTION_LIT4;
4621 else if (strcmp (name, ".xdata") == 0)
4622 in.r_symndx = RELOC_SECTION_XDATA;
4623 else if (strcmp (name, ".pdata") == 0)
4624 in.r_symndx = RELOC_SECTION_PDATA;
4625 else if (strcmp (name, ".fini") == 0)
4626 in.r_symndx = RELOC_SECTION_FINI;
4627 else if (strcmp (name, ".lita") == 0)
4628 in.r_symndx = RELOC_SECTION_LITA;
4629 else if (strcmp (name, "*ABS*") == 0)
4630 in.r_symndx = RELOC_SECTION_ABS;
4636 /* Let the BFD backend adjust the reloc. */
4637 (*ecoff_backend (output_bfd)->adjust_reloc_out) (output_bfd, &rel, &in);
4639 /* Get some memory and swap out the reloc. */
4640 external_reloc_size = ecoff_backend (output_bfd)->external_reloc_size;
4641 rbuf = (bfd_byte *) malloc (external_reloc_size);
4642 if (rbuf == (bfd_byte *) NULL)
4644 bfd_set_error (bfd_error_no_memory);
4648 (*ecoff_backend (output_bfd)->swap_reloc_out) (output_bfd, &in, (PTR) rbuf);
4650 ok = (bfd_seek (output_bfd,
4651 (output_section->rel_filepos +
4652 output_section->reloc_count * external_reloc_size),
4654 && (bfd_write ((PTR) rbuf, 1, external_reloc_size, output_bfd)
4655 == external_reloc_size));
4658 ++output_section->reloc_count;