1 /* coff object file format
2 Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
4 Free Software Foundation, Inc.
6 This file is part of GAS.
8 GAS 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 3, or (at your option)
13 GAS 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 GAS; see the file COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
23 #define OBJ_HEADER "obj-coff.h"
33 #define streq(a,b) (strcmp ((a), (b)) == 0)
34 #define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
36 /* I think this is probably always correct. */
37 #ifndef KEEP_RELOC_INFO
38 #define KEEP_RELOC_INFO
41 /* obj_coff_section will use this macro to set a new section's
42 attributes when a directive has no valid flags or the "w" flag is
43 used. This default should be appropriate for most. */
44 #ifndef TC_COFF_SECTION_DEFAULT_ATTRIBUTES
45 #define TC_COFF_SECTION_DEFAULT_ATTRIBUTES (SEC_LOAD | SEC_DATA)
48 /* This is used to hold the symbol built by a sequence of pseudo-ops
49 from .def and .endef. */
50 static symbolS *def_symbol_in_progress;
52 /* PE weak alternate symbols begin with this string. */
53 static const char weak_altprefix[] = ".weak.";
58 unsigned long chunk_size;
59 unsigned long element_size;
62 unsigned long pointer;
70 stack_init (unsigned long chunk_size,
71 unsigned long element_size)
75 st = malloc (sizeof (* st));
78 st->data = malloc (chunk_size);
85 st->size = chunk_size;
86 st->chunk_size = chunk_size;
87 st->element_size = element_size;
92 stack_push (stack *st, char *element)
94 if (st->pointer + st->element_size >= st->size)
96 st->size += st->chunk_size;
97 if ((st->data = xrealloc (st->data, st->size)) == NULL)
100 memcpy (st->data + st->pointer, element, st->element_size);
101 st->pointer += st->element_size;
102 return st->data + st->pointer;
106 stack_pop (stack *st)
108 if (st->pointer < st->element_size)
113 st->pointer -= st->element_size;
114 return st->data + st->pointer;
117 /* Maintain a list of the tagnames of the structures. */
119 static struct hash_control *tag_hash;
124 tag_hash = hash_new ();
128 tag_insert (const char *name, symbolS *symbolP)
130 const char *error_string;
132 if ((error_string = hash_jam (tag_hash, name, (char *) symbolP)))
133 as_fatal (_("Inserting \"%s\" into structure table failed: %s"),
138 tag_find (char *name)
140 return (symbolS *) hash_find (tag_hash, name);
144 tag_find_or_make (char *name)
148 if ((symbolP = tag_find (name)) == NULL)
150 symbolP = symbol_new (name, undefined_section,
151 0, &zero_address_frag);
153 tag_insert (S_GET_NAME (symbolP), symbolP);
154 symbol_table_insert (symbolP);
160 /* We accept the .bss directive to set the section for backward
161 compatibility with earlier versions of gas. */
164 obj_coff_bss (int ignore ATTRIBUTE_UNUSED)
166 if (*input_line_pointer == '\n')
167 subseg_new (".bss", get_absolute_expression ());
173 /* Called from read.c:s_comm after we've parsed .comm symbol, size.
174 Parse a possible alignment value. */
177 obj_coff_common_parse (int ignore ATTRIBUTE_UNUSED, symbolS *symbolP, addressT size)
181 if (*input_line_pointer == ',')
183 align = parse_align (0);
184 if (align == (addressT) -1)
188 S_SET_VALUE (symbolP, size);
189 S_SET_EXTERNAL (symbolP);
190 S_SET_SEGMENT (symbolP, bfd_com_section_ptr);
192 symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
194 /* There is no S_SET_ALIGN (symbolP, align) in COFF/PE.
195 Instead we must add a note to the .drectve section. */
198 segT current_seg = now_seg;
199 subsegT current_subseg = now_subseg;
202 size_t pfxlen, numlen;
206 sec = subseg_new (".drectve", 0);
207 oldflags = bfd_get_section_flags (stdoutput, sec);
208 if (oldflags == SEC_NO_FLAGS)
210 if (!bfd_set_section_flags (stdoutput, sec,
211 TC_COFF_SECTION_DEFAULT_ATTRIBUTES))
212 as_warn (_("error setting flags for \"%s\": %s"),
213 bfd_section_name (stdoutput, sec),
214 bfd_errmsg (bfd_get_error ()));
217 /* Emit a string. Note no NUL-termination. */
218 pfxlen = strlen (" -aligncomm:") + strlen (S_GET_NAME (symbolP)) + 1;
219 numlen = snprintf (numbuff, sizeof (numbuff), "%d", (int) align);
220 frag = frag_more (pfxlen + numlen);
221 (void) sprintf (frag, " -aligncomm:%s,", S_GET_NAME (symbolP));
222 memcpy (frag + pfxlen, numbuff, numlen);
223 /* Restore original subseg. */
224 subseg_set (current_seg, current_subseg);
231 obj_coff_comm (int ignore ATTRIBUTE_UNUSED)
233 s_comm_internal (ignore, obj_coff_common_parse);
237 #define GET_FILENAME_STRING(X) \
238 ((char *) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1])
242 fetch_coff_debug_section (void)
244 static segT debug_section;
250 s = bfd_make_debug_symbol (stdoutput, NULL, 0);
252 debug_section = s->section;
254 return debug_section;
258 SA_SET_SYM_ENDNDX (symbolS *sym, symbolS *val)
260 combined_entry_type *entry, *p;
262 entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
263 p = coffsymbol (symbol_get_bfdsym (val))->native;
264 entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p;
269 SA_SET_SYM_TAGNDX (symbolS *sym, symbolS *val)
271 combined_entry_type *entry, *p;
273 entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
274 p = coffsymbol (symbol_get_bfdsym (val))->native;
275 entry->u.auxent.x_sym.x_tagndx.p = p;
280 S_GET_DATA_TYPE (symbolS *sym)
282 return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type;
286 S_SET_DATA_TYPE (symbolS *sym, int val)
288 coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val;
293 S_GET_STORAGE_CLASS (symbolS *sym)
295 return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass;
299 S_SET_STORAGE_CLASS (symbolS *sym, int val)
301 coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val;
305 /* Merge a debug symbol containing debug information into a normal symbol. */
308 c_symbol_merge (symbolS *debug, symbolS *normal)
310 S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug));
311 S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug));
313 if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal))
314 /* Take the most we have. */
315 S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug));
317 if (S_GET_NUMBER_AUXILIARY (debug) > 0)
318 /* Move all the auxiliary information. */
319 memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug),
320 (S_GET_NUMBER_AUXILIARY (debug)
321 * sizeof (*SYM_AUXINFO (debug))));
323 /* Move the debug flags. */
324 SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
328 c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED)
332 /* BFD converts filename to a .file symbol with an aux entry. It
333 also handles chaining. */
334 symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag);
336 S_SET_STORAGE_CLASS (symbolP, C_FILE);
337 S_SET_NUMBER_AUXILIARY (symbolP, 1);
339 symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING;
346 listing_source_file (filename);
350 /* Make sure that the symbol is first on the symbol chain. */
351 if (symbol_rootP != symbolP)
353 symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
354 symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
358 /* Line number handling. */
362 struct line_no *next;
369 /* Symbol of last function, which we should hang line#s off of. */
370 static symbolS *line_fsym;
372 #define in_function() (line_fsym != 0)
373 #define clear_function() (line_fsym = 0)
374 #define set_function(F) (line_fsym = (F), coff_add_linesym (F))
378 coff_obj_symbol_new_hook (symbolS *symbolP)
380 long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
381 char * s = xmalloc (sz);
384 coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s;
386 S_SET_DATA_TYPE (symbolP, T_NULL);
387 S_SET_STORAGE_CLASS (symbolP, 0);
388 S_SET_NUMBER_AUXILIARY (symbolP, 0);
390 if (S_IS_STRING (symbolP))
391 SF_SET_STRING (symbolP);
393 if (S_IS_LOCAL (symbolP))
394 SF_SET_LOCAL (symbolP);
398 coff_obj_symbol_clone_hook (symbolS *newsymP, symbolS *orgsymP)
400 long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
401 combined_entry_type * s = xmalloc (sz);
403 memcpy (s, coffsymbol (symbol_get_bfdsym (orgsymP))->native, sz);
404 coffsymbol (symbol_get_bfdsym (newsymP))->native = s;
406 SF_SET (newsymP, SF_GET (orgsymP));
410 /* Handle .ln directives. */
412 static symbolS *current_lineno_sym;
413 static struct line_no *line_nos;
414 /* FIXME: Blindly assume all .ln directives will be in the .text section. */
418 add_lineno (fragS * frag, addressT offset, int num)
420 struct line_no * new_line = xmalloc (sizeof (* new_line));
422 if (!current_lineno_sym)
426 /* The native aix assembler accepts negative line number. */
430 /* Zero is used as an end marker in the file. */
431 as_warn (_("Line numbers must be positive integers\n"));
434 #endif /* OBJ_XCOFF */
435 new_line->next = line_nos;
436 new_line->frag = frag;
437 new_line->l.line_number = num;
438 new_line->l.u.offset = offset;
444 coff_add_linesym (symbolS *sym)
448 coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno =
453 current_lineno_sym = sym;
457 obj_coff_ln (int appline)
461 if (! appline && def_symbol_in_progress != NULL)
463 as_warn (_(".ln pseudo-op inside .def/.endef: ignored."));
464 demand_empty_rest_of_line ();
468 l = get_absolute_expression ();
470 /* If there is no lineno symbol, treat a .ln
471 directive as if it were a .appline directive. */
472 if (appline || current_lineno_sym == NULL)
473 new_logical_line ((char *) NULL, l - 1);
475 add_lineno (frag_now, frag_now_fix (), l);
484 l += coff_line_base - 1;
485 listing_source_line (l);
490 demand_empty_rest_of_line ();
493 /* .loc is essentially the same as .ln; parse it for assembler
497 obj_coff_loc (int ignore ATTRIBUTE_UNUSED)
501 /* FIXME: Why do we need this check? We need it for ECOFF, but why
502 do we need it for COFF? */
503 if (now_seg != text_section)
505 as_warn (_(".loc outside of .text"));
506 demand_empty_rest_of_line ();
510 if (def_symbol_in_progress != NULL)
512 as_warn (_(".loc pseudo-op inside .def/.endef: ignored."));
513 demand_empty_rest_of_line ();
517 /* Skip the file number. */
519 get_absolute_expression ();
522 lineno = get_absolute_expression ();
530 lineno += coff_line_base - 1;
531 listing_source_line (lineno);
536 demand_empty_rest_of_line ();
538 add_lineno (frag_now, frag_now_fix (), lineno);
541 /* Handle the .ident pseudo-op. */
544 obj_coff_ident (int ignore ATTRIBUTE_UNUSED)
546 segT current_seg = now_seg;
547 subsegT current_subseg = now_subseg;
553 /* We could put it in .comment, but that creates an extra section
554 that shouldn't be loaded into memory, which requires linker
555 changes... For now, until proven otherwise, use .rdata. */
556 sec = subseg_new (".rdata$zzz", 0);
557 bfd_set_section_flags (stdoutput, sec,
558 ((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA)
559 & bfd_applicable_section_flags (stdoutput)));
562 subseg_new (".comment", 0);
566 subseg_set (current_seg, current_subseg);
569 /* Handle .def directives.
571 One might ask : why can't we symbol_new if the symbol does not
572 already exist and fill it with debug information. Because of
573 the C_EFCN special symbol. It would clobber the value of the
574 function symbol before we have a chance to notice that it is
575 a C_EFCN. And a second reason is that the code is more clear this
576 way. (at least I think it is :-). */
578 #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';')
579 #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \
580 *input_line_pointer == '\t') \
581 input_line_pointer++;
584 obj_coff_def (int what ATTRIBUTE_UNUSED)
586 char name_end; /* Char after the end of name. */
587 char *symbol_name; /* Name of the debug symbol. */
588 char *symbol_name_copy; /* Temporary copy of the name. */
589 unsigned int symbol_name_length;
591 if (def_symbol_in_progress != NULL)
593 as_warn (_(".def pseudo-op used inside of .def/.endef: ignored."));
594 demand_empty_rest_of_line ();
600 symbol_name = input_line_pointer;
601 name_end = get_symbol_end ();
602 symbol_name_length = strlen (symbol_name);
603 symbol_name_copy = xmalloc (symbol_name_length + 1);
604 strcpy (symbol_name_copy, symbol_name);
605 #ifdef tc_canonicalize_symbol_name
606 symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
609 /* Initialize the new symbol. */
610 def_symbol_in_progress = symbol_make (symbol_name_copy);
611 symbol_set_frag (def_symbol_in_progress, &zero_address_frag);
612 S_SET_VALUE (def_symbol_in_progress, 0);
614 if (S_IS_STRING (def_symbol_in_progress))
615 SF_SET_STRING (def_symbol_in_progress);
617 *input_line_pointer = name_end;
619 demand_empty_rest_of_line ();
622 unsigned int dim_index;
625 obj_coff_endef (int ignore ATTRIBUTE_UNUSED)
627 symbolS *symbolP = NULL;
630 if (def_symbol_in_progress == NULL)
632 as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored."));
633 demand_empty_rest_of_line ();
637 /* Set the section number according to storage class. */
638 switch (S_GET_STORAGE_CLASS (def_symbol_in_progress))
643 SF_SET_TAG (def_symbol_in_progress);
647 SF_SET_DEBUG (def_symbol_in_progress);
648 S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ());
652 SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */
655 SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing. */
661 S_SET_SEGMENT (def_symbol_in_progress, text_section);
663 name = S_GET_NAME (def_symbol_in_progress);
664 if (name[0] == '.' && name[2] == 'f' && name[3] == '\0')
670 if (! in_function ())
671 as_warn (_("`%s' symbol without preceding function"), name);
672 /* Will need relocating. */
673 SF_SET_PROCESS (def_symbol_in_progress);
679 /* The MS compilers output the actual endline, not the
680 function-relative one... we want to match without
681 changing the assembler input. */
682 SA_SET_SYM_LNNO (def_symbol_in_progress,
683 (SA_GET_SYM_LNNO (def_symbol_in_progress)
694 #endif /* C_AUTOARG */
701 /* According to the COFF documentation:
703 http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html
705 A special section number (-2) marks symbolic debugging symbols,
706 including structure/union/enumeration tag names, typedefs, and
707 the name of the file. A section number of -1 indicates that the
708 symbol has a value but is not relocatable. Examples of
709 absolute-valued symbols include automatic and register variables,
710 function arguments, and .eos symbols.
712 But from Ian Lance Taylor:
714 http://sources.redhat.com/ml/binutils/2000-08/msg00202.html
716 the actual tools all marked them as section -1. So the GNU COFF
717 assembler follows historical COFF assemblers.
719 However, it causes problems for djgpp
721 http://sources.redhat.com/ml/binutils/2000-08/msg00210.html
723 By defining STRICTCOFF, a COFF port can make the assembler to
724 follow the documented behavior. */
731 SF_SET_DEBUG (def_symbol_in_progress);
732 S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
740 S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
751 /* Valid but set somewhere else (s_comm, s_lcomm, colon). */
758 as_warn (_("unexpected storage class %d"),
759 S_GET_STORAGE_CLASS (def_symbol_in_progress));
763 /* Now that we have built a debug symbol, try to find if we should
764 merge with an existing symbol or not. If a symbol is C_EFCN or
765 absolute_section or untagged SEG_DEBUG it never merges. We also
766 don't merge labels, which are in a different namespace, nor
767 symbols which have not yet been defined since they are typically
768 unique, nor do we merge tags with non-tags. */
770 /* Two cases for functions. Either debug followed by definition or
771 definition followed by debug. For definition first, we will
772 merge the debug symbol into the definition. For debug first, the
773 lineno entry MUST point to the definition function or else it
774 will point off into space when obj_crawl_symbol_chain() merges
775 the debug symbol into the real symbol. Therefor, let's presume
776 the debug symbol is a real function reference. */
778 /* FIXME-SOON If for some reason the definition label/symbol is
779 never seen, this will probably leave an undefined symbol at link
782 if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN
783 || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL
784 || (streq (bfd_get_section_name (stdoutput,
785 S_GET_SEGMENT (def_symbol_in_progress)),
787 && !SF_GET_TAG (def_symbol_in_progress))
788 || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section
789 || ! symbol_constant_p (def_symbol_in_progress)
790 || (symbolP = symbol_find (S_GET_NAME (def_symbol_in_progress))) == NULL
791 || SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))
793 /* If it already is at the end of the symbol list, do nothing */
794 if (def_symbol_in_progress != symbol_lastP)
796 symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
797 symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP,
803 /* This symbol already exists, merge the newly created symbol
804 into the old one. This is not mandatory. The linker can
805 handle duplicate symbols correctly. But I guess that it save
806 a *lot* of space if the assembly file defines a lot of
809 /* The debug entry (def_symbol_in_progress) is merged into the
810 previous definition. */
812 c_symbol_merge (def_symbol_in_progress, symbolP);
813 symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
815 def_symbol_in_progress = symbolP;
817 if (SF_GET_FUNCTION (def_symbol_in_progress)
818 || SF_GET_TAG (def_symbol_in_progress)
819 || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
821 /* For functions, and tags, and static symbols, the symbol
822 *must* be where the debug symbol appears. Move the
823 existing symbol to the current place. */
824 /* If it already is at the end of the symbol list, do nothing. */
825 if (def_symbol_in_progress != symbol_lastP)
827 symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
828 symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP);
833 if (SF_GET_TAG (def_symbol_in_progress))
837 oldtag = symbol_find (S_GET_NAME (def_symbol_in_progress));
838 if (oldtag == NULL || ! SF_GET_TAG (oldtag))
839 tag_insert (S_GET_NAME (def_symbol_in_progress),
840 def_symbol_in_progress);
843 if (SF_GET_FUNCTION (def_symbol_in_progress))
845 set_function (def_symbol_in_progress);
846 SF_SET_PROCESS (def_symbol_in_progress);
849 /* That is, if this is the first time we've seen the
851 symbol_table_insert (def_symbol_in_progress);
855 def_symbol_in_progress = NULL;
856 demand_empty_rest_of_line ();
860 obj_coff_dim (int ignore ATTRIBUTE_UNUSED)
864 if (def_symbol_in_progress == NULL)
866 as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored."));
867 demand_empty_rest_of_line ();
871 S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
873 for (dim_index = 0; dim_index < DIMNUM; dim_index++)
876 SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index,
877 get_absolute_expression ());
879 switch (*input_line_pointer)
882 input_line_pointer++;
886 as_warn (_("badly formed .dim directive ignored"));
895 demand_empty_rest_of_line ();
899 obj_coff_line (int ignore ATTRIBUTE_UNUSED)
903 if (def_symbol_in_progress == NULL)
905 /* Probably stabs-style line? */
910 this_base = get_absolute_expression ();
911 if (streq (".bf", S_GET_NAME (def_symbol_in_progress)))
912 coff_line_base = this_base;
914 S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
915 SA_SET_SYM_LNNO (def_symbol_in_progress, this_base);
917 demand_empty_rest_of_line ();
920 if (streq (".bf", S_GET_NAME (def_symbol_in_progress)))
925 listing_source_line ((unsigned int) this_base);
931 obj_coff_size (int ignore ATTRIBUTE_UNUSED)
933 if (def_symbol_in_progress == NULL)
935 as_warn (_(".size pseudo-op used outside of .def/.endef ignored."));
936 demand_empty_rest_of_line ();
940 S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
941 SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ());
942 demand_empty_rest_of_line ();
946 obj_coff_scl (int ignore ATTRIBUTE_UNUSED)
948 if (def_symbol_in_progress == NULL)
950 as_warn (_(".scl pseudo-op used outside of .def/.endef ignored."));
951 demand_empty_rest_of_line ();
955 S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ());
956 demand_empty_rest_of_line ();
960 obj_coff_tag (int ignore ATTRIBUTE_UNUSED)
965 if (def_symbol_in_progress == NULL)
967 as_warn (_(".tag pseudo-op used outside of .def/.endef ignored."));
968 demand_empty_rest_of_line ();
972 S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
973 symbol_name = input_line_pointer;
974 name_end = get_symbol_end ();
976 #ifdef tc_canonicalize_symbol_name
977 symbol_name = tc_canonicalize_symbol_name (symbol_name);
980 /* Assume that the symbol referred to by .tag is always defined.
981 This was a bad assumption. I've added find_or_make. xoxorich. */
982 SA_SET_SYM_TAGNDX (def_symbol_in_progress,
983 tag_find_or_make (symbol_name));
984 if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L)
985 as_warn (_("tag not found for .tag %s"), symbol_name);
987 SF_SET_TAGGED (def_symbol_in_progress);
988 *input_line_pointer = name_end;
990 demand_empty_rest_of_line ();
994 obj_coff_type (int ignore ATTRIBUTE_UNUSED)
996 if (def_symbol_in_progress == NULL)
998 as_warn (_(".type pseudo-op used outside of .def/.endef ignored."));
999 demand_empty_rest_of_line ();
1003 S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ());
1005 if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) &&
1006 S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF)
1007 SF_SET_FUNCTION (def_symbol_in_progress);
1009 demand_empty_rest_of_line ();
1013 obj_coff_val (int ignore ATTRIBUTE_UNUSED)
1015 if (def_symbol_in_progress == NULL)
1017 as_warn (_(".val pseudo-op used outside of .def/.endef ignored."));
1018 demand_empty_rest_of_line ();
1022 if (is_name_beginner (*input_line_pointer))
1024 char *symbol_name = input_line_pointer;
1025 char name_end = get_symbol_end ();
1027 #ifdef tc_canonicalize_symbol_name
1028 symbol_name = tc_canonicalize_symbol_name (symbol_name);
1030 if (streq (symbol_name, "."))
1032 /* If the .val is != from the .def (e.g. statics). */
1033 symbol_set_frag (def_symbol_in_progress, frag_now);
1034 S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
1036 else if (! streq (S_GET_NAME (def_symbol_in_progress), symbol_name))
1040 exp.X_op = O_symbol;
1041 exp.X_add_symbol = symbol_find_or_make (symbol_name);
1042 exp.X_op_symbol = NULL;
1043 exp.X_add_number = 0;
1044 symbol_set_value_expression (def_symbol_in_progress, &exp);
1046 /* If the segment is undefined when the forward reference is
1047 resolved, then copy the segment id from the forward
1049 SF_SET_GET_SEGMENT (def_symbol_in_progress);
1051 /* FIXME: gcc can generate address expressions here in
1052 unusual cases (search for "obscure" in sdbout.c). We
1053 just ignore the offset here, thus generating incorrect
1054 debugging information. We ignore the rest of the line
1057 /* Otherwise, it is the name of a non debug symbol and its value
1058 will be calculated later. */
1059 *input_line_pointer = name_end;
1063 S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ());
1066 demand_empty_rest_of_line ();
1071 /* Return nonzero if name begins with weak alternate symbol prefix. */
1074 weak_is_altname (const char * name)
1076 return strneq (name, weak_altprefix, sizeof (weak_altprefix) - 1);
1079 /* Return the name of the alternate symbol
1080 name corresponding to a weak symbol's name. */
1083 weak_name2altname (const char * name)
1087 alt_name = xmalloc (sizeof (weak_altprefix) + strlen (name));
1088 strcpy (alt_name, weak_altprefix);
1089 return strcat (alt_name, name);
1092 /* Return the name of the weak symbol corresponding to an
1093 alternate symbol. */
1096 weak_altname2name (const char * name)
1101 gas_assert (weak_is_altname (name));
1103 weak_name = xstrdup (name + 6);
1104 if ((dot = strchr (weak_name, '.')))
1109 /* Make a weak symbol name unique by
1110 appending the name of an external symbol. */
1113 weak_uniquify (const char * name)
1116 const char * unique = "";
1119 if (an_external_name != NULL)
1120 unique = an_external_name;
1122 gas_assert (weak_is_altname (name));
1124 if (strchr (name + sizeof (weak_altprefix), '.'))
1127 ret = xmalloc (strlen (name) + strlen (unique) + 2);
1130 strcat (ret, unique);
1135 pecoff_obj_set_weak_hook (symbolS *symbolP)
1137 symbolS *alternateP;
1139 /* See _Microsoft Portable Executable and Common Object
1140 File Format Specification_, section 5.5.3.
1141 Create a symbol representing the alternate value.
1142 coff_frob_symbol will set the value of this symbol from
1143 the value of the weak symbol itself. */
1144 S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK);
1145 S_SET_NUMBER_AUXILIARY (symbolP, 1);
1146 SA_SET_SYM_FSIZE (symbolP, IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY);
1148 alternateP = symbol_find_or_make (weak_name2altname (S_GET_NAME (symbolP)));
1149 S_SET_EXTERNAL (alternateP);
1150 S_SET_STORAGE_CLASS (alternateP, C_NT_WEAK);
1152 SA_SET_SYM_TAGNDX (symbolP, alternateP);
1156 pecoff_obj_clear_weak_hook (symbolS *symbolP)
1158 symbolS *alternateP;
1160 S_SET_STORAGE_CLASS (symbolP, 0);
1161 SA_SET_SYM_FSIZE (symbolP, 0);
1163 alternateP = symbol_find (weak_name2altname (S_GET_NAME (symbolP)));
1164 S_CLEAR_EXTERNAL (alternateP);
1169 /* Handle .weak. This is a GNU extension in formats other than PE. */
1172 obj_coff_weak (int ignore ATTRIBUTE_UNUSED)
1180 name = input_line_pointer;
1181 c = get_symbol_end ();
1184 as_warn (_("badly formed .weak directive ignored"));
1185 ignore_rest_of_line ();
1189 symbolP = symbol_find_or_make (name);
1190 *input_line_pointer = c;
1192 S_SET_WEAK (symbolP);
1196 input_line_pointer++;
1198 if (*input_line_pointer == '\n')
1205 demand_empty_rest_of_line ();
1209 coff_obj_read_begin_hook (void)
1211 /* These had better be the same. Usually 18 bytes. */
1212 know (sizeof (SYMENT) == sizeof (AUXENT));
1213 know (SYMESZ == AUXESZ);
1217 symbolS *coff_last_function;
1219 static symbolS *coff_last_bf;
1223 coff_frob_symbol (symbolS *symp, int *punt)
1225 static symbolS *last_tagP;
1226 static stack *block_stack;
1227 static symbolS *set_end;
1228 symbolS *next_set_end = NULL;
1230 if (symp == &abs_symbol)
1236 if (current_lineno_sym)
1237 coff_add_linesym (NULL);
1240 block_stack = stack_init (512, sizeof (symbolS*));
1243 if (S_GET_STORAGE_CLASS (symp) == C_NT_WEAK
1244 && ! S_IS_WEAK (symp)
1245 && weak_is_altname (S_GET_NAME (symp)))
1247 /* This is a weak alternate symbol. All processing of
1248 PECOFFweak symbols is done here, through the alternate. */
1249 symbolS *weakp = symbol_find_noref (weak_altname2name
1250 (S_GET_NAME (symp)), 1);
1253 gas_assert (S_GET_NUMBER_AUXILIARY (weakp) == 1);
1255 if (! S_IS_WEAK (weakp))
1257 /* The symbol was turned from weak to strong. Discard altname. */
1261 else if (symbol_equated_p (weakp))
1263 /* The weak symbol has an alternate specified; symp is unneeded. */
1264 S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
1265 SA_SET_SYM_TAGNDX (weakp,
1266 symbol_get_value_expression (weakp)->X_add_symbol);
1268 S_CLEAR_EXTERNAL (symp);
1274 /* The weak symbol has been assigned an alternate value.
1275 Copy this value to symp, and set symp as weakp's alternate. */
1276 if (S_GET_STORAGE_CLASS (weakp) != C_NT_WEAK)
1278 S_SET_STORAGE_CLASS (symp, S_GET_STORAGE_CLASS (weakp));
1279 S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
1282 if (S_IS_DEFINED (weakp))
1284 /* This is a defined weak symbol. Copy value information
1285 from the weak symbol itself to the alternate symbol. */
1286 symbol_set_value_expression (symp,
1287 symbol_get_value_expression (weakp));
1288 symbol_set_frag (symp, symbol_get_frag (weakp));
1289 S_SET_SEGMENT (symp, S_GET_SEGMENT (weakp));
1293 /* This is an undefined weak symbol.
1294 Define the alternate symbol to zero. */
1295 S_SET_VALUE (symp, 0);
1296 S_SET_SEGMENT (symp, absolute_section);
1299 S_SET_NAME (symp, weak_uniquify (S_GET_NAME (symp)));
1300 S_SET_STORAGE_CLASS (symp, C_EXT);
1302 S_SET_VALUE (weakp, 0);
1303 S_SET_SEGMENT (weakp, undefined_section);
1307 if (S_IS_WEAK (symp))
1308 S_SET_STORAGE_CLASS (symp, C_WEAKEXT);
1311 if (!S_IS_DEFINED (symp)
1312 && !S_IS_WEAK (symp)
1313 && S_GET_STORAGE_CLASS (symp) != C_STAT)
1314 S_SET_STORAGE_CLASS (symp, C_EXT);
1316 if (!SF_GET_DEBUG (symp))
1320 if (!SF_GET_LOCAL (symp)
1321 && !SF_GET_STATICS (symp)
1322 && S_GET_STORAGE_CLASS (symp) != C_LABEL
1323 && symbol_constant_p (symp)
1324 && (real = symbol_find_noref (S_GET_NAME (symp), 1))
1325 && S_GET_STORAGE_CLASS (real) == C_NULL
1328 c_symbol_merge (symp, real);
1333 if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp))
1335 gas_assert (S_GET_VALUE (symp) == 0);
1336 if (S_IS_WEAKREFD (symp))
1339 S_SET_EXTERNAL (symp);
1341 else if (S_GET_STORAGE_CLASS (symp) == C_NULL)
1343 if (S_GET_SEGMENT (symp) == text_section
1344 && symp != seg_info (text_section)->sym)
1345 S_SET_STORAGE_CLASS (symp, C_LABEL);
1347 S_SET_STORAGE_CLASS (symp, C_STAT);
1350 if (SF_GET_PROCESS (symp))
1352 if (S_GET_STORAGE_CLASS (symp) == C_BLOCK)
1354 if (streq (S_GET_NAME (symp), ".bb"))
1355 stack_push (block_stack, (char *) &symp);
1360 begin = *(symbolS **) stack_pop (block_stack);
1362 as_warn (_("mismatched .eb"));
1364 next_set_end = begin;
1368 if (coff_last_function == 0 && SF_GET_FUNCTION (symp))
1370 union internal_auxent *auxp;
1372 coff_last_function = symp;
1373 if (S_GET_NUMBER_AUXILIARY (symp) < 1)
1374 S_SET_NUMBER_AUXILIARY (symp, 1);
1375 auxp = SYM_AUXENT (symp);
1376 memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0,
1377 sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen));
1380 if (S_GET_STORAGE_CLASS (symp) == C_EFCN)
1382 if (coff_last_function == 0)
1383 as_fatal (_("C_EFCN symbol for %s out of scope"),
1385 SA_SET_SYM_FSIZE (coff_last_function,
1386 (long) (S_GET_VALUE (symp)
1387 - S_GET_VALUE (coff_last_function)));
1388 next_set_end = coff_last_function;
1389 coff_last_function = 0;
1393 if (S_IS_EXTERNAL (symp))
1394 S_SET_STORAGE_CLASS (symp, C_EXT);
1395 else if (SF_GET_LOCAL (symp))
1398 if (SF_GET_FUNCTION (symp))
1399 symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION;
1402 /* Double check weak symbols. */
1403 if (S_IS_WEAK (symp) && S_IS_COMMON (symp))
1404 as_bad (_("Symbol `%s' can not be both weak and common"),
1407 if (SF_GET_TAG (symp))
1409 else if (S_GET_STORAGE_CLASS (symp) == C_EOS)
1410 next_set_end = last_tagP;
1413 /* This is pretty horrible, but we have to set *punt correctly in
1414 order to call SA_SET_SYM_ENDNDX correctly. */
1415 if (! symbol_used_in_reloc_p (symp)
1416 && ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0
1417 || (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp))
1418 && ! symbol_get_tc (symp)->output
1419 && S_GET_STORAGE_CLASS (symp) != C_FILE)))
1423 if (set_end != (symbolS *) NULL
1425 && ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0
1426 || (S_IS_DEFINED (symp)
1427 && ! S_IS_COMMON (symp)
1428 && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp)))))
1430 SA_SET_SYM_ENDNDX (set_end, symp);
1434 if (next_set_end != NULL)
1436 if (set_end != NULL)
1437 as_warn ("Warning: internal error: forgetting to set endndx of %s",
1438 S_GET_NAME (set_end));
1439 set_end = next_set_end;
1444 && S_GET_STORAGE_CLASS (symp) == C_FCN
1445 && streq (S_GET_NAME (symp), ".bf"))
1447 if (coff_last_bf != NULL)
1448 SA_SET_SYM_ENDNDX (coff_last_bf, symp);
1449 coff_last_bf = symp;
1452 if (coffsymbol (symbol_get_bfdsym (symp))->lineno)
1455 struct line_no *lptr;
1458 lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
1459 for (i = 0; lptr; lptr = lptr->next)
1461 lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
1463 /* We need i entries for line numbers, plus 1 for the first
1464 entry which BFD will override, plus 1 for the last zero
1465 entry (a marker for BFD). */
1466 l = xmalloc ((i + 2) * sizeof (* l));
1467 coffsymbol (symbol_get_bfdsym (symp))->lineno = l;
1468 l[i + 1].line_number = 0;
1469 l[i + 1].u.sym = NULL;
1473 lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE;
1481 coff_adjust_section_syms (bfd *abfd ATTRIBUTE_UNUSED,
1483 void * x ATTRIBUTE_UNUSED)
1486 segment_info_type *seginfo = seg_info (sec);
1487 int nlnno, nrelocs = 0;
1489 /* RS/6000 gas creates a .debug section manually in ppc_frob_file in
1490 tc-ppc.c. Do not get confused by it. */
1491 if (seginfo == NULL)
1494 if (streq (sec->name, ".text"))
1495 nlnno = coff_n_line_nos;
1499 /* @@ Hope that none of the fixups expand to more than one reloc
1501 fixS *fixp = seginfo->fix_root;
1504 if (! fixp->fx_done)
1506 fixp = fixp->fx_next;
1509 if (bfd_get_section_size (sec) == 0
1512 && sec != text_section
1513 && sec != data_section
1514 && sec != bss_section)
1517 secsym = section_symbol (sec);
1518 /* This is an estimate; we'll plug in the real value using
1519 SET_SECTION_RELOCS later */
1520 SA_SET_SCN_NRELOC (secsym, nrelocs);
1521 SA_SET_SCN_NLINNO (secsym, nlnno);
1525 coff_frob_file_after_relocs (void)
1527 bfd_map_over_sections (stdoutput, coff_adjust_section_syms, NULL);
1530 /* Implement the .section pseudo op:
1531 .section name {, "flags"}
1533 | +--- optional flags: 'b' for bss
1535 +-- section name 'l' for lib
1539 'd' (apparently m88k for data)
1541 'r' for read-only data
1542 's' for shared data (PE)
1544 But if the argument is not a quoted string, treat it as a
1547 Note the 'a' flag is silently ignored. This allows the same
1548 .section directive to be parsed in both ELF and COFF formats. */
1551 obj_coff_section (int ignore ATTRIBUTE_UNUSED)
1553 /* Strip out the section name. */
1558 flagword flags, oldflags;
1569 section_name = input_line_pointer;
1570 c = get_symbol_end ();
1572 name = xmalloc (input_line_pointer - section_name + 1);
1573 strcpy (name, section_name);
1575 *input_line_pointer = c;
1580 flags = SEC_NO_FLAGS;
1582 if (*input_line_pointer == ',')
1584 ++input_line_pointer;
1586 if (*input_line_pointer != '"')
1587 exp = get_absolute_expression ();
1591 int readonly_removed = 0;
1592 int load_removed = 0;
1594 while (attr = *++input_line_pointer,
1596 && ! is_end_of_line[attr])
1601 /* Uninitialised data section. */
1607 /* Section not loaded. */
1609 flags |= SEC_NEVER_LOAD;
1614 /* Shared section. */
1615 flags |= SEC_COFF_SHARED;
1622 flags &=~ SEC_READONLY;
1626 /* Writable section. */
1627 flags &=~ SEC_READONLY;
1628 readonly_removed = 1;
1632 /* Ignore. Here for compatibility with ELF. */
1635 case 'r': /* Read-only section. Implies a data section. */
1636 readonly_removed = 0;
1638 case 'x': /* Executable section. */
1639 /* If we are setting the 'x' attribute or if the 'r'
1640 attribute is being used to restore the readonly status
1641 of a code section (eg "wxr") then set the SEC_CODE flag,
1642 otherwise set the SEC_DATA flag. */
1643 flags |= (attr == 'x' || (flags & SEC_CODE) ? SEC_CODE : SEC_DATA);
1646 /* Note - the READONLY flag is set here, even for the 'x'
1647 attribute in order to be compatible with the MSVC
1649 if (! readonly_removed)
1650 flags |= SEC_READONLY;
1654 flags |= SEC_COFF_NOREAD | SEC_READONLY;
1657 case 'i': /* STYP_INFO */
1658 case 'l': /* STYP_LIB */
1659 case 'o': /* STYP_OVER */
1660 as_warn (_("unsupported section attribute '%c'"), attr);
1664 as_warn (_("unknown section attribute '%c'"), attr);
1669 ++input_line_pointer;
1673 sec = subseg_new (name, (subsegT) exp);
1675 oldflags = bfd_get_section_flags (stdoutput, sec);
1676 if (oldflags == SEC_NO_FLAGS)
1678 /* Set section flags for a new section just created by subseg_new.
1679 Provide a default if no flags were parsed. */
1680 if (flags == SEC_NO_FLAGS)
1681 flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES;
1683 #ifdef COFF_LONG_SECTION_NAMES
1684 /* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce
1685 sections so adjust_reloc_syms in write.c will correctly handle
1686 relocs which refer to non-local symbols in these sections. */
1687 if (strneq (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1))
1688 flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
1691 if (! bfd_set_section_flags (stdoutput, sec, flags))
1692 as_warn (_("error setting flags for \"%s\": %s"),
1693 bfd_section_name (stdoutput, sec),
1694 bfd_errmsg (bfd_get_error ()));
1696 else if (flags != SEC_NO_FLAGS)
1698 /* This section's attributes have already been set. Warn if the
1699 attributes don't match. */
1700 flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
1701 | SEC_DATA | SEC_COFF_SHARED | SEC_NEVER_LOAD
1703 if ((flags ^ oldflags) & matchflags)
1704 as_warn (_("Ignoring changed section attributes for %s"), name);
1707 demand_empty_rest_of_line ();
1711 coff_adjust_symtab (void)
1713 if (symbol_rootP == NULL
1714 || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
1715 c_dot_file_symbol ("fake", 0);
1719 coff_frob_section (segT sec)
1724 bfd_vma size, n_entries, mask;
1725 bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER;
1727 /* The COFF back end in BFD requires that all section sizes be
1728 rounded up to multiples of the corresponding section alignments,
1729 supposedly because standard COFF has no other way of encoding alignment
1730 for sections. If your COFF flavor has a different way of encoding
1731 section alignment, then skip this step, as TICOFF does. */
1732 size = bfd_get_section_size (sec);
1733 mask = ((bfd_vma) 1 << align_power) - 1;
1734 #if !defined(TICOFF)
1740 new_size = (size + mask) & ~mask;
1741 bfd_set_section_size (stdoutput, sec, new_size);
1743 /* If the size had to be rounded up, add some padding in
1744 the last non-empty frag. */
1745 fragp = seg_info (sec)->frchainP->frch_root;
1746 last = seg_info (sec)->frchainP->frch_last;
1747 while (fragp->fr_next != last)
1748 fragp = fragp->fr_next;
1749 last->fr_address = size;
1750 fragp->fr_offset += new_size - size;
1754 /* If the section size is non-zero, the section symbol needs an aux
1755 entry associated with it, indicating the size. We don't know
1756 all the values yet; coff_frob_symbol will fill them in later. */
1759 || sec == text_section
1760 || sec == data_section
1761 || sec == bss_section)
1764 symbolS *secsym = section_symbol (sec);
1766 S_SET_STORAGE_CLASS (secsym, C_STAT);
1767 S_SET_NUMBER_AUXILIARY (secsym, 1);
1768 SF_SET_STATICS (secsym);
1769 SA_SET_SCN_SCNLEN (secsym, size);
1772 /* FIXME: These should be in a "stabs.h" file, or maybe as.h. */
1773 #ifndef STAB_SECTION_NAME
1774 #define STAB_SECTION_NAME ".stab"
1776 #ifndef STAB_STRING_SECTION_NAME
1777 #define STAB_STRING_SECTION_NAME ".stabstr"
1779 if (! streq (STAB_STRING_SECTION_NAME, sec->name))
1783 sec = subseg_get (STAB_SECTION_NAME, 0);
1784 /* size is already rounded up, since other section will be listed first */
1785 size = bfd_get_section_size (strsec);
1787 n_entries = bfd_get_section_size (sec) / 12 - 1;
1789 /* Find first non-empty frag. It should be large enough. */
1790 fragp = seg_info (sec)->frchainP->frch_root;
1791 while (fragp && fragp->fr_fix == 0)
1792 fragp = fragp->fr_next;
1793 gas_assert (fragp != 0 && fragp->fr_fix >= 12);
1795 /* Store the values. */
1796 p = fragp->fr_literal;
1797 bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6);
1798 bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8);
1802 obj_coff_init_stab_section (segT seg)
1807 unsigned int stroff;
1809 /* Make space for this first symbol. */
1813 as_where (&file, (unsigned int *) NULL);
1814 stabstr_name = xmalloc (strlen (seg->name) + 4);
1815 strcpy (stabstr_name, seg->name);
1816 strcat (stabstr_name, "str");
1817 stroff = get_stab_string_offset (file, stabstr_name);
1819 md_number_to_chars (p, stroff, 4);
1824 s_get_name (symbolS *s)
1826 return ((s == NULL) ? "(NULL)" : S_GET_NAME (s));
1834 for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
1835 printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"),
1836 (unsigned long) symbolP,
1837 S_GET_NAME (symbolP),
1838 (long) S_GET_DATA_TYPE (symbolP),
1839 S_GET_STORAGE_CLASS (symbolP),
1840 (int) S_GET_SEGMENT (symbolP));
1845 const pseudo_typeS coff_pseudo_table[] =
1847 {"ABORT", s_abort, 0},
1848 {"appline", obj_coff_ln, 1},
1849 /* We accept the .bss directive for backward compatibility with
1850 earlier versions of gas. */
1851 {"bss", obj_coff_bss, 0},
1853 /* PE provides an enhanced version of .comm with alignment. */
1854 {"comm", obj_coff_comm, 0},
1856 {"def", obj_coff_def, 0},
1857 {"dim", obj_coff_dim, 0},
1858 {"endef", obj_coff_endef, 0},
1859 {"ident", obj_coff_ident, 0},
1860 {"line", obj_coff_line, 0},
1861 {"ln", obj_coff_ln, 0},
1862 {"scl", obj_coff_scl, 0},
1863 {"sect", obj_coff_section, 0},
1864 {"sect.s", obj_coff_section, 0},
1865 {"section", obj_coff_section, 0},
1866 {"section.s", obj_coff_section, 0},
1867 /* FIXME: We ignore the MRI short attribute. */
1868 {"size", obj_coff_size, 0},
1869 {"tag", obj_coff_tag, 0},
1870 {"type", obj_coff_type, 0},
1871 {"val", obj_coff_val, 0},
1872 {"version", s_ignore, 0},
1873 {"loc", obj_coff_loc, 0},
1874 {"optim", s_ignore, 0}, /* For sun386i cc (?) */
1875 {"weak", obj_coff_weak, 0},
1876 #if defined TC_TIC4X
1877 /* The tic4x uses sdef instead of def. */
1878 {"sdef", obj_coff_def, 0},
1884 /* Support for a COFF emulation. */
1887 coff_pop_insert (void)
1889 pop_insert (coff_pseudo_table);
1893 coff_separate_stab_sections (void)
1898 const struct format_ops coff_format_ops =
1900 bfd_target_coff_flavour,
1901 0, /* dfl_leading_underscore */
1902 1, /* emit_section_symbols */
1907 0, /* frob_file_before_adjust */
1908 0, /* frob_file_before_fix */
1909 coff_frob_file_after_relocs,
1912 0, /* s_get_align */
1913 0, /* s_set_align */
1914 0, /* s_get_other */
1915 0, /* s_set_other */
1920 0, /* copy_symbol_attributes */
1921 0, /* generate_asm_lineno */
1922 0, /* process_stab */
1923 coff_separate_stab_sections,
1924 obj_coff_init_stab_section,
1925 0, /* sec_sym_ok_for_reloc */
1927 0, /* ecoff_set_ext */
1928 coff_obj_read_begin_hook,
1929 coff_obj_symbol_new_hook