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1999-08-08 Mark Elbrecht <snowball3@bigfoot.com>
[deliverable/binutils-gdb.git] / bfd / coffcode.h
CommitLineData
252b5132 1/* Support for the generic parts of most COFF variants, for BFD.
5f771d47 2 Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
252b5132
RH		 3 Free Software Foundation, Inc.
4 Written by Cygnus Support.
5
6This file is part of BFD, the Binary File Descriptor library.
7
8This program is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2 of the License, or
11(at your option) any later version.
12
13This program is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with this program; if not, write to the Free Software
20Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21
22/*
23Most of this hacked by Steve Chamberlain,
24 sac@cygnus.com
25*/
26/*
27
28SECTION
29 coff backends
30
31 BFD supports a number of different flavours of coff format.
32 The major differences between formats are the sizes and
33 alignments of fields in structures on disk, and the occasional
34 extra field.
35
36 Coff in all its varieties is implemented with a few common
37 files and a number of implementation specific files. For
38 example, The 88k bcs coff format is implemented in the file
39 @file{coff-m88k.c}. This file @code{#include}s
40 @file{coff/m88k.h} which defines the external structure of the
41 coff format for the 88k, and @file{coff/internal.h} which
42 defines the internal structure. @file{coff-m88k.c} also
43 defines the relocations used by the 88k format
44 @xref{Relocations}.
45
46 The Intel i960 processor version of coff is implemented in
47 @file{coff-i960.c}. This file has the same structure as
48 @file{coff-m88k.c}, except that it includes @file{coff/i960.h}
49 rather than @file{coff-m88k.h}.
50
51SUBSECTION
52 Porting to a new version of coff
53
54 The recommended method is to select from the existing
55 implementations the version of coff which is most like the one
56 you want to use. For example, we'll say that i386 coff is
57 the one you select, and that your coff flavour is called foo.
58 Copy @file{i386coff.c} to @file{foocoff.c}, copy
59 @file{../include/coff/i386.h} to @file{../include/coff/foo.h},
60 and add the lines to @file{targets.c} and @file{Makefile.in}
61 so that your new back end is used. Alter the shapes of the
62 structures in @file{../include/coff/foo.h} so that they match
63 what you need. You will probably also have to add
64 @code{#ifdef}s to the code in @file{coff/internal.h} and
65 @file{coffcode.h} if your version of coff is too wild.
66
67 You can verify that your new BFD backend works quite simply by
68 building @file{objdump} from the @file{binutils} directory,
69 and making sure that its version of what's going on and your
70 host system's idea (assuming it has the pretty standard coff
71 dump utility, usually called @code{att-dump} or just
72 @code{dump}) are the same. Then clean up your code, and send
73 what you've done to Cygnus. Then your stuff will be in the
74 next release, and you won't have to keep integrating it.
75
76SUBSECTION
77 How the coff backend works
78
79SUBSUBSECTION
80 File layout
81
82 The Coff backend is split into generic routines that are
83 applicable to any Coff target and routines that are specific
84 to a particular target. The target-specific routines are
85 further split into ones which are basically the same for all
86 Coff targets except that they use the external symbol format
87 or use different values for certain constants.
88
89 The generic routines are in @file{coffgen.c}. These routines
90 work for any Coff target. They use some hooks into the target
91 specific code; the hooks are in a @code{bfd_coff_backend_data}
92 structure, one of which exists for each target.
93
94 The essentially similar target-specific routines are in
95 @file{coffcode.h}. This header file includes executable C code.
96 The various Coff targets first include the appropriate Coff
97 header file, make any special defines that are needed, and
98 then include @file{coffcode.h}.
99
100 Some of the Coff targets then also have additional routines in
101 the target source file itself.
102
103 For example, @file{coff-i960.c} includes
104 @file{coff/internal.h} and @file{coff/i960.h}. It then
105 defines a few constants, such as @code{I960}, and includes
106 @file{coffcode.h}. Since the i960 has complex relocation
107 types, @file{coff-i960.c} also includes some code to
108 manipulate the i960 relocs. This code is not in
109 @file{coffcode.h} because it would not be used by any other
110 target.
111
112SUBSUBSECTION
113 Bit twiddling
114
115 Each flavour of coff supported in BFD has its own header file
116 describing the external layout of the structures. There is also
117 an internal description of the coff layout, in
118 @file{coff/internal.h}. A major function of the
119 coff backend is swapping the bytes and twiddling the bits to
120 translate the external form of the structures into the normal
121 internal form. This is all performed in the
122 @code{bfd_swap}_@i{thing}_@i{direction} routines. Some
123 elements are different sizes between different versions of
124 coff; it is the duty of the coff version specific include file
125 to override the definitions of various packing routines in
126 @file{coffcode.h}. E.g., the size of line number entry in coff is
127 sometimes 16 bits, and sometimes 32 bits. @code{#define}ing
128 @code{PUT_LNSZ_LNNO} and @code{GET_LNSZ_LNNO} will select the
129 correct one. No doubt, some day someone will find a version of
130 coff which has a varying field size not catered to at the
131 moment. To port BFD, that person will have to add more @code{#defines}.
132 Three of the bit twiddling routines are exported to
133 @code{gdb}; @code{coff_swap_aux_in}, @code{coff_swap_sym_in}
134 and @code{coff_swap_linno_in}. @code{GDB} reads the symbol
135 table on its own, but uses BFD to fix things up. More of the
136 bit twiddlers are exported for @code{gas};
137 @code{coff_swap_aux_out}, @code{coff_swap_sym_out},
138 @code{coff_swap_lineno_out}, @code{coff_swap_reloc_out},
139 @code{coff_swap_filehdr_out}, @code{coff_swap_aouthdr_out},
140 @code{coff_swap_scnhdr_out}. @code{Gas} currently keeps track
141 of all the symbol table and reloc drudgery itself, thereby
142 saving the internal BFD overhead, but uses BFD to swap things
143 on the way out, making cross ports much safer. Doing so also
144 allows BFD (and thus the linker) to use the same header files
145 as @code{gas}, which makes one avenue to disaster disappear.
146
147SUBSUBSECTION
148 Symbol reading
149
150 The simple canonical form for symbols used by BFD is not rich
151 enough to keep all the information available in a coff symbol
152 table. The back end gets around this problem by keeping the original
153 symbol table around, "behind the scenes".
154
155 When a symbol table is requested (through a call to
156 @code{bfd_canonicalize_symtab}), a request gets through to
157 @code{coff_get_normalized_symtab}. This reads the symbol table from
158 the coff file and swaps all the structures inside into the
159 internal form. It also fixes up all the pointers in the table
160 (represented in the file by offsets from the first symbol in
161 the table) into physical pointers to elements in the new
162 internal table. This involves some work since the meanings of
163 fields change depending upon context: a field that is a
164 pointer to another structure in the symbol table at one moment
165 may be the size in bytes of a structure at the next. Another
166 pass is made over the table. All symbols which mark file names
167 (<<C_FILE>> symbols) are modified so that the internal
168 string points to the value in the auxent (the real filename)
169 rather than the normal text associated with the symbol
170 (@code{".file"}).
171
172 At this time the symbol names are moved around. Coff stores
173 all symbols less than nine characters long physically
174 within the symbol table; longer strings are kept at the end of
175 the file in the string table. This pass moves all strings
176 into memory and replaces them with pointers to the strings.
177
178
179 The symbol table is massaged once again, this time to create
180 the canonical table used by the BFD application. Each symbol
181 is inspected in turn, and a decision made (using the
182 @code{sclass} field) about the various flags to set in the
183 @code{asymbol}. @xref{Symbols}. The generated canonical table
184 shares strings with the hidden internal symbol table.
185
186 Any linenumbers are read from the coff file too, and attached
187 to the symbols which own the functions the linenumbers belong to.
188
189SUBSUBSECTION
190 Symbol writing
191
192 Writing a symbol to a coff file which didn't come from a coff
193 file will lose any debugging information. The @code{asymbol}
194 structure remembers the BFD from which the symbol was taken, and on
195 output the back end makes sure that the same destination target as
196 source target is present.
197
198 When the symbols have come from a coff file then all the
199 debugging information is preserved.
200
201 Symbol tables are provided for writing to the back end in a
202 vector of pointers to pointers. This allows applications like
203 the linker to accumulate and output large symbol tables
204 without having to do too much byte copying.
205
206 This function runs through the provided symbol table and
207 patches each symbol marked as a file place holder
208 (@code{C_FILE}) to point to the next file place holder in the
209 list. It also marks each @code{offset} field in the list with
210 the offset from the first symbol of the current symbol.
211
212 Another function of this procedure is to turn the canonical
213 value form of BFD into the form used by coff. Internally, BFD
214 expects symbol values to be offsets from a section base; so a
215 symbol physically at 0x120, but in a section starting at
216 0x100, would have the value 0x20. Coff expects symbols to
217 contain their final value, so symbols have their values
218 changed at this point to reflect their sum with their owning
219 section. This transformation uses the
220 <<output_section>> field of the @code{asymbol}'s
221 @code{asection} @xref{Sections}.
222
223 o <<coff_mangle_symbols>>
224
225 This routine runs though the provided symbol table and uses
226 the offsets generated by the previous pass and the pointers
227 generated when the symbol table was read in to create the
228 structured hierachy required by coff. It changes each pointer
229 to a symbol into the index into the symbol table of the asymbol.
230
231 o <<coff_write_symbols>>
232
233 This routine runs through the symbol table and patches up the
234 symbols from their internal form into the coff way, calls the
235 bit twiddlers, and writes out the table to the file.
236
237*/
238
239/*
240INTERNAL_DEFINITION
241 coff_symbol_type
242
243DESCRIPTION
244 The hidden information for an <<asymbol>> is described in a
245 <<combined_entry_type>>:
246
247CODE_FRAGMENT
248.
249.typedef struct coff_ptr_struct
250.{
251.
252. {* Remembers the offset from the first symbol in the file for
253. this symbol. Generated by coff_renumber_symbols. *}
254.unsigned int offset;
255.
256. {* Should the value of this symbol be renumbered. Used for
257. XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. *}
258.unsigned int fix_value : 1;
259.
260. {* Should the tag field of this symbol be renumbered.
261. Created by coff_pointerize_aux. *}
262.unsigned int fix_tag : 1;
263.
264. {* Should the endidx field of this symbol be renumbered.
265. Created by coff_pointerize_aux. *}
266.unsigned int fix_end : 1;
267.
268. {* Should the x_csect.x_scnlen field be renumbered.
269. Created by coff_pointerize_aux. *}
270.unsigned int fix_scnlen : 1;
271.
272. {* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the
273. index into the line number entries. Set by
274. coff_slurp_symbol_table. *}
275.unsigned int fix_line : 1;
276.
277. {* The container for the symbol structure as read and translated
278. from the file. *}
279.
280.union {
281. union internal_auxent auxent;
282. struct internal_syment syment;
283. } u;
284.} combined_entry_type;
285.
286.
287.{* Each canonical asymbol really looks like this: *}
288.
289.typedef struct coff_symbol_struct
290.{
291. {* The actual symbol which the rest of BFD works with *}
292.asymbol symbol;
293.
294. {* A pointer to the hidden information for this symbol *}
295.combined_entry_type *native;
296.
297. {* A pointer to the linenumber information for this symbol *}
298.struct lineno_cache_entry *lineno;
299.
300. {* Have the line numbers been relocated yet ? *}
301.boolean done_lineno;
302.} coff_symbol_type;
303
304
305*/
306
307#ifdef COFF_WITH_PE
308#include "peicode.h"
309#else
310#include "coffswap.h"
311#endif
312
313#define STRING_SIZE_SIZE (4)
314
315static long sec_to_styp_flags PARAMS ((const char *, flagword));
316static flagword styp_to_sec_flags PARAMS ((bfd *, PTR, const char *));
317static boolean coff_bad_format_hook PARAMS ((bfd *, PTR));
5dccc1dd
ILT		 318static void coff_set_custom_section_alignment
319 PARAMS ((bfd *, asection *, const struct coff_section_alignment_entry *,
320 unsigned int));
252b5132
RH		 321static boolean coff_new_section_hook PARAMS ((bfd *, asection *));
322static boolean coff_set_arch_mach_hook PARAMS ((bfd *, PTR));
323static boolean coff_write_relocs PARAMS ((bfd *, int));
324static boolean coff_set_flags
325 PARAMS ((bfd *, unsigned int *, unsigned short *));
326static boolean coff_set_arch_mach
327 PARAMS ((bfd *, enum bfd_architecture, unsigned long));
328static boolean coff_compute_section_file_positions PARAMS ((bfd *));
329static boolean coff_write_object_contents PARAMS ((bfd *));
330static boolean coff_set_section_contents
331 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
332static PTR buy_and_read PARAMS ((bfd *, file_ptr, int, size_t));
333static boolean coff_slurp_line_table PARAMS ((bfd *, asection *));
334static boolean coff_slurp_symbol_table PARAMS ((bfd *));
5d54c628
ILT		 335static enum coff_symbol_classification coff_classify_symbol
336 PARAMS ((bfd *, struct internal_syment *));
252b5132
RH		 337static boolean coff_slurp_reloc_table PARAMS ((bfd *, asection *, asymbol **));
338static long coff_canonicalize_reloc
339 PARAMS ((bfd *, asection *, arelent **, asymbol **));
340#ifndef coff_mkobject_hook
341static PTR coff_mkobject_hook PARAMS ((bfd *, PTR, PTR));
342#endif
343\f
344/* void warning(); */
345
346/*
347 * Return a word with STYP_* (scnhdr.s_flags) flags set to represent the
348 * incoming SEC_* flags. The inverse of this function is styp_to_sec_flags().
349 * NOTE: If you add to/change this routine, you should mirror the changes
350 * in styp_to_sec_flags().
351 */
352static long
353sec_to_styp_flags (sec_name, sec_flags)
354 CONST char *sec_name;
355 flagword sec_flags;
356{
357 long styp_flags = 0;
358
359 if (!strcmp (sec_name, _TEXT))
360 {
361 styp_flags = STYP_TEXT;
362 }
363 else if (!strcmp (sec_name, _DATA))
364 {
365 styp_flags = STYP_DATA;
366 }
367 else if (!strcmp (sec_name, _BSS))
368 {
369 styp_flags = STYP_BSS;
370#ifdef _COMMENT
371 }
372 else if (!strcmp (sec_name, _COMMENT))
373 {
374 styp_flags = STYP_INFO;
375#endif /* _COMMENT */
376#ifdef _LIB
377 }
378 else if (!strcmp (sec_name, _LIB))
379 {
380 styp_flags = STYP_LIB;
381#endif /* _LIB */
382#ifdef _LIT
383 }
384 else if (!strcmp (sec_name, _LIT))
385 {
386 styp_flags = STYP_LIT;
387#endif /* _LIT */
388 }
389 else if (!strcmp (sec_name, ".debug"))
390 {
391#ifdef STYP_DEBUG
392 styp_flags = STYP_DEBUG;
393#else
394 styp_flags = STYP_INFO;
395#endif
396 }
397 else if (!strncmp (sec_name, ".stab", 5))
398 {
399 styp_flags = STYP_INFO;
400 }
401#ifdef COFF_WITH_PE
402 else if (!strcmp (sec_name, ".edata"))
403 {
404 styp_flags = STYP_DATA;
405 }
406#endif
407#ifdef RS6000COFF_C
408 else if (!strcmp (sec_name, _PAD))
409 {
410 styp_flags = STYP_PAD;
411 }
412 else if (!strcmp (sec_name, _LOADER))
413 {
414 styp_flags = STYP_LOADER;
415 }
416#endif
417 /* Try and figure out what it should be */
418 else if (sec_flags & SEC_CODE)
419 {
420 styp_flags = STYP_TEXT;
421 }
422 else if (sec_flags & SEC_DATA)
423 {
424 styp_flags = STYP_DATA;
425 }
426 else if (sec_flags & SEC_READONLY)
427 {
428#ifdef STYP_LIT /* 29k readonly text/data section */
429 styp_flags = STYP_LIT;
430#else
431 styp_flags = STYP_TEXT;
432#endif /* STYP_LIT */
433 }
434 else if (sec_flags & SEC_LOAD)
435 {
436 styp_flags = STYP_TEXT;
437 }
438 else if (sec_flags & SEC_ALLOC)
439 {
440 styp_flags = STYP_BSS;
441 }
442
443#ifdef STYP_NOLOAD
444 if ((sec_flags & (SEC_NEVER_LOAD | SEC_COFF_SHARED_LIBRARY)) != 0)
445 styp_flags |= STYP_NOLOAD;
446#endif
447
448#ifdef COFF_WITH_PE
449 if (sec_flags & SEC_LINK_ONCE)
450 styp_flags |= IMAGE_SCN_LNK_COMDAT;
bd826630
ILT		 451 if (sec_flags & SEC_SHARED)
452 styp_flags |= IMAGE_SCN_MEM_SHARED;
252b5132
RH		 453#endif
454
455 return (styp_flags);
456}
457/*
458 * Return a word with SEC_* flags set to represent the incoming
459 * STYP_* flags (from scnhdr.s_flags). The inverse of this
460 * function is sec_to_styp_flags().
461 * NOTE: If you add to/change this routine, you should mirror the changes
462 * in sec_to_styp_flags().
463 */
464static flagword
465styp_to_sec_flags (abfd, hdr, name)
5f771d47 466 bfd *abfd ATTRIBUTE_UNUSED;
252b5132
RH		 467 PTR hdr;
468 const char *name;
469{
470 struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
471 long styp_flags = internal_s->s_flags;
472 flagword sec_flags = 0;
473
474#ifdef STYP_NOLOAD
475 if (styp_flags & STYP_NOLOAD)
476 {
477 sec_flags |= SEC_NEVER_LOAD;
478 }
479#endif /* STYP_NOLOAD */
480
481 /* For 386 COFF, at least, an unloadable text or data section is
482 actually a shared library section. */
483 if (styp_flags & STYP_TEXT)
484 {
485 if (sec_flags & SEC_NEVER_LOAD)
486 sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY;
487 else
488 sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC;
489 }
490 else if (styp_flags & STYP_DATA)
491 {
492 if (sec_flags & SEC_NEVER_LOAD)
493 sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY;
494 else
495 sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
496 }
497 else if (styp_flags & STYP_BSS)
498 {
499#ifdef BSS_NOLOAD_IS_SHARED_LIBRARY
500 if (sec_flags & SEC_NEVER_LOAD)
501 sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY;
502 else
503#endif
504 sec_flags |= SEC_ALLOC;
505 }
506 else if (styp_flags & STYP_INFO)
507 {
508 /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is
509 defined. coff_compute_section_file_positions uses
510 COFF_PAGE_SIZE to ensure that the low order bits of the
511 section VMA and the file offset match. If we don't know
512 COFF_PAGE_SIZE, we can't ensure the correct correspondence,
513 and demand page loading of the file will fail. */
514#if defined (COFF_PAGE_SIZE) && !defined (COFF_ALIGN_IN_S_FLAGS)
515 sec_flags |= SEC_DEBUGGING;
516#endif
517 }
518 else if (styp_flags & STYP_PAD)
519 {
520 sec_flags = 0;
521 }
522 else if (strcmp (name, _TEXT) == 0)
523 {
524 if (sec_flags & SEC_NEVER_LOAD)
525 sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY;
526 else
527 sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC;
528 }
529 else if (strcmp (name, _DATA) == 0)
530 {
531 if (sec_flags & SEC_NEVER_LOAD)
532 sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY;
533 else
534 sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
535 }
536 else if (strcmp (name, _BSS) == 0)
537 {
538#ifdef BSS_NOLOAD_IS_SHARED_LIBRARY
539 if (sec_flags & SEC_NEVER_LOAD)
540 sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY;
541 else
542#endif
543 sec_flags |= SEC_ALLOC;
544 }
545 else if (strcmp (name, ".debug") == 0
546#ifdef _COMMENT
547 || strcmp (name, _COMMENT) == 0
548#endif
549 || strncmp (name, ".stab", 5) == 0)
550 {
551#ifdef COFF_PAGE_SIZE
552 sec_flags |= SEC_DEBUGGING;
553#endif
554 }
555#ifdef _LIB
556 else if (strcmp (name, _LIB) == 0)
557 ;
558#endif
559#ifdef _LIT
560 else if (strcmp (name, _LIT) == 0)
561 {
562 sec_flags = SEC_LOAD | SEC_ALLOC | SEC_READONLY;
563 }
564#endif
565 else
566 {
567 sec_flags |= SEC_ALLOC | SEC_LOAD;
568 }
569
570#ifdef STYP_LIT /* A29k readonly text/data section type */
571 if ((styp_flags & STYP_LIT) == STYP_LIT)
572 {
573 sec_flags = (SEC_LOAD | SEC_ALLOC | SEC_READONLY);
574 }
575#endif /* STYP_LIT */
576#ifdef STYP_OTHER_LOAD /* Other loaded sections */
577 if (styp_flags & STYP_OTHER_LOAD)
578 {
579 sec_flags = (SEC_LOAD | SEC_ALLOC);
580 }
581#endif /* STYP_SDATA */
582
583#ifdef COFF_WITH_PE
584 if (styp_flags & IMAGE_SCN_LNK_REMOVE)
585 sec_flags |= SEC_EXCLUDE;
586
bd826630
ILT		 587 if (styp_flags & IMAGE_SCN_MEM_SHARED)
588 sec_flags |= SEC_SHARED;
589
252b5132
RH		 590 if (styp_flags & IMAGE_SCN_LNK_COMDAT)
591 {
592 sec_flags |= SEC_LINK_ONCE;
593
594 /* Unfortunately, the PE format stores essential information in
595 the symbol table, of all places. We need to extract that
596 information now, so that objdump and the linker will know how
597 to handle the section without worrying about the symbols. We
598 can't call slurp_symtab, because the linker doesn't want the
599 swapped symbols. */
600
ec0ef80e
DD		 601 /* COMDAT sections are special. The first symbol is the section
602 symbol, which tells what kind of COMDAT section it is. The
603 *second* symbol is the "comdat symbol" - the one with the
604 unique name. GNU uses the section symbol for the unique
605 name; MS uses ".text" for every comdat section. Sigh. - DJ */
606
252b5132
RH		 607 if (_bfd_coff_get_external_symbols (abfd))
608 {
609 bfd_byte *esym, *esymend;
610
611 esym = (bfd_byte *) obj_coff_external_syms (abfd);
612 esymend = esym + obj_raw_syment_count (abfd) * SYMESZ;
613
614 while (esym < esymend)
615 {
616 struct internal_syment isym;
617
618 bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &isym);
619
620 if (sizeof (internal_s->s_name) > SYMNMLEN)
621 {
622 /* This case implies that the matching symbol name
623 will be in the string table. */
624 abort ();
625 }
626
627 if (isym.n_sclass == C_STAT
628 && isym.n_type == T_NULL
629 && isym.n_numaux == 1)
630 {
631 char buf[SYMNMLEN + 1];
632 const char *symname;
633
634 symname = _bfd_coff_internal_syment_name (abfd, &isym, buf);
635 if (symname == NULL)
636 abort ();
637
638 if (strcmp (name, symname) == 0)
639 {
640 union internal_auxent aux;
641
642 /* This is the section symbol. */
643
644 bfd_coff_swap_aux_in (abfd, (PTR) (esym + SYMESZ),
645 isym.n_type, isym.n_sclass,
646 0, isym.n_numaux, (PTR) &aux);
647
ec0ef80e
DD		 648 /* FIXME: Microsoft uses NODUPLICATES and
649 ASSOCIATIVE, but gnu uses ANY and SAME_SIZE.
650 Unfortunately, gnu doesn't do the comdat
651 symbols right. So, until we can fix it to do
652 the right thing, we are temporarily disabling
653 comdats for the MS types (they're used in
654 DLLs and C++, but we don't support *their*
655 C++ libraries anyway - DJ */
656
252b5132
RH		 657 switch (aux.x_scn.x_comdat)
658 {
659 case IMAGE_COMDAT_SELECT_NODUPLICATES:
ec0ef80e 660#if 0
252b5132 661 sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY;
ec0ef80e
DD		 662#else
663 sec_flags &= ~SEC_LINK_ONCE;
664#endif
252b5132
RH		 665 break;
666
667 default:
668 case IMAGE_COMDAT_SELECT_ANY:
669 sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
670 break;
671
672 case IMAGE_COMDAT_SELECT_SAME_SIZE:
673 sec_flags |= SEC_LINK_DUPLICATES_SAME_SIZE;
674 break;
675
676 case IMAGE_COMDAT_SELECT_EXACT_MATCH:
677 sec_flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS;
678 break;
679
680 case IMAGE_COMDAT_SELECT_ASSOCIATIVE:
ec0ef80e 681#if 0
252b5132
RH		 682 /* FIXME: This is not currently implemented. */
683 sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
ec0ef80e
DD		 684#else
685 sec_flags &= ~SEC_LINK_ONCE;
686#endif
252b5132
RH		 687 break;
688 }
689
690 break;
691 }
692 }
693
694 esym += (isym.n_numaux + 1) * SYMESZ;
695 }
696 }
697 }
698#endif
699
242eabea
ILT		 700#if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE)
701 /* As a GNU extension, if the name begins with .gnu.linkonce, we
702 only link a single copy of the section. This is used to support
703 g++. g++ will emit each template expansion in its own section.
704 The symbols will be defined as weak, so that multiple definitions
705 are permitted. The GNU linker extension is to actually discard
706 all but one of the sections. */
707 if (strncmp (name, ".gnu.linkonce", sizeof ".gnu.linkonce" - 1) == 0)
708 sec_flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
709#endif
710
252b5132
RH		 711 return (sec_flags);
712}
713
714#define get_index(symbol) ((symbol)->udata.i)
715
716/*
717INTERNAL_DEFINITION
718 bfd_coff_backend_data
719
720CODE_FRAGMENT
721
5d54c628
ILT		 722.{* COFF symbol classifications. *}
723.
724.enum coff_symbol_classification
725.{
726. {* Global symbol. *}
727. COFF_SYMBOL_GLOBAL,
728. {* Common symbol. *}
729. COFF_SYMBOL_COMMON,
730. {* Undefined symbol. *}
731. COFF_SYMBOL_UNDEFINED,
732. {* Local symbol. *}
733. COFF_SYMBOL_LOCAL,
734. {* PE section symbol. *}
735. COFF_SYMBOL_PE_SECTION
736.};
737.
252b5132
RH		 738Special entry points for gdb to swap in coff symbol table parts:
739.typedef struct
740.{
741. void (*_bfd_coff_swap_aux_in) PARAMS ((
742. bfd *abfd,
743. PTR ext,
744. int type,
745. int class,
746. int indaux,
747. int numaux,
748. PTR in));
749.
750. void (*_bfd_coff_swap_sym_in) PARAMS ((
751. bfd *abfd ,
752. PTR ext,
753. PTR in));
754.
755. void (*_bfd_coff_swap_lineno_in) PARAMS ((
756. bfd *abfd,
757. PTR ext,
758. PTR in));
759.
760
761Special entry points for gas to swap out coff parts:
762
763. unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
764. bfd *abfd,
765. PTR in,
766. int type,
767. int class,
768. int indaux,
769. int numaux,
770. PTR ext));
771.
772. unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
773. bfd *abfd,
774. PTR in,
775. PTR ext));
776.
777. unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
778. bfd *abfd,
779. PTR in,
780. PTR ext));
781.
782. unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
783. bfd *abfd,
784. PTR src,
785. PTR dst));
786.
787. unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
788. bfd *abfd,
789. PTR in,
790. PTR out));
791.
792. unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
793. bfd *abfd,
794. PTR in,
795. PTR out));
796.
797. unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
798. bfd *abfd,
799. PTR in,
800. PTR out));
801.
802
803Special entry points for generic COFF routines to call target
804dependent COFF routines:
805
806. unsigned int _bfd_filhsz;
807. unsigned int _bfd_aoutsz;
808. unsigned int _bfd_scnhsz;
809. unsigned int _bfd_symesz;
810. unsigned int _bfd_auxesz;
811. unsigned int _bfd_relsz;
812. unsigned int _bfd_linesz;
813. boolean _bfd_coff_long_filenames;
814. boolean _bfd_coff_long_section_names;
815. unsigned int _bfd_coff_default_section_alignment_power;
816. void (*_bfd_coff_swap_filehdr_in) PARAMS ((
817. bfd *abfd,
818. PTR ext,
819. PTR in));
820. void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
821. bfd *abfd,
822. PTR ext,
823. PTR in));
824. void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
825. bfd *abfd,
826. PTR ext,
827. PTR in));
828. void (*_bfd_coff_swap_reloc_in) PARAMS ((
829. bfd *abfd,
830. PTR ext,
831. PTR in));
832. boolean (*_bfd_coff_bad_format_hook) PARAMS ((
833. bfd *abfd,
834. PTR internal_filehdr));
835. boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
836. bfd *abfd,
837. PTR internal_filehdr));
838. PTR (*_bfd_coff_mkobject_hook) PARAMS ((
839. bfd *abfd,
840. PTR internal_filehdr,
841. PTR internal_aouthdr));
842. flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
843. bfd *abfd,
844. PTR internal_scnhdr,
845. const char *name));
846. void (*_bfd_set_alignment_hook) PARAMS ((
847. bfd *abfd,
848. asection *sec,
849. PTR internal_scnhdr));
850. boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
851. bfd *abfd));
852. boolean (*_bfd_coff_symname_in_debug) PARAMS ((
853. bfd *abfd,
854. struct internal_syment *sym));
855. boolean (*_bfd_coff_pointerize_aux_hook) PARAMS ((
856. bfd *abfd,
857. combined_entry_type *table_base,
858. combined_entry_type *symbol,
859. unsigned int indaux,
860. combined_entry_type *aux));
861. boolean (*_bfd_coff_print_aux) PARAMS ((
862. bfd *abfd,
863. FILE *file,
864. combined_entry_type *table_base,
865. combined_entry_type *symbol,
866. combined_entry_type *aux,
867. unsigned int indaux));
868. void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
869. bfd *abfd,
870. struct bfd_link_info *link_info,
871. struct bfd_link_order *link_order,
872. arelent *reloc,
873. bfd_byte *data,
874. unsigned int *src_ptr,
875. unsigned int *dst_ptr));
876. int (*_bfd_coff_reloc16_estimate) PARAMS ((
877. bfd *abfd,
878. asection *input_section,
879. arelent *r,
880. unsigned int shrink,
881. struct bfd_link_info *link_info));
5d54c628 882. enum coff_symbol_classification (*_bfd_coff_classify_symbol) PARAMS ((
252b5132
RH		 883. bfd *abfd,
884. struct internal_syment *));
885. boolean (*_bfd_coff_compute_section_file_positions) PARAMS ((
886. bfd *abfd));
887. boolean (*_bfd_coff_start_final_link) PARAMS ((
888. bfd *output_bfd,
889. struct bfd_link_info *info));
890. boolean (*_bfd_coff_relocate_section) PARAMS ((
891. bfd *output_bfd,
892. struct bfd_link_info *info,
893. bfd *input_bfd,
894. asection *input_section,
895. bfd_byte *contents,
896. struct internal_reloc *relocs,
897. struct internal_syment *syms,
898. asection **sections));
899. reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS ((
900. bfd *abfd,
901. asection *sec,
902. struct internal_reloc *rel,
903. struct coff_link_hash_entry *h,
904. struct internal_syment *sym,
905. bfd_vma *addendp));
906. boolean (*_bfd_coff_adjust_symndx) PARAMS ((
907. bfd *obfd,
908. struct bfd_link_info *info,
909. bfd *ibfd,
910. asection *sec,
911. struct internal_reloc *reloc,
912. boolean *adjustedp));
913. boolean (*_bfd_coff_link_add_one_symbol) PARAMS ((
914. struct bfd_link_info *info,
915. bfd *abfd,
916. const char *name,
917. flagword flags,
918. asection *section,
919. bfd_vma value,
920. const char *string,
921. boolean copy,
922. boolean collect,
923. struct bfd_link_hash_entry **hashp));
924.
925. boolean (*_bfd_coff_link_output_has_begun) PARAMS ((
926. bfd * abfd,
927. struct coff_final_link_info * pfinfo));
928. boolean (*_bfd_coff_final_link_postscript) PARAMS ((
929. bfd * abfd,
930. struct coff_final_link_info * pfinfo));
931.
932.} bfd_coff_backend_data;
933.
934.#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
935.
936.#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
937. ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
938.
939.#define bfd_coff_swap_sym_in(a,e,i) \
940. ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
941.
942.#define bfd_coff_swap_lineno_in(a,e,i) \
943. ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
944.
945.#define bfd_coff_swap_reloc_out(abfd, i, o) \
946. ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
947.
948.#define bfd_coff_swap_lineno_out(abfd, i, o) \
949. ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
950.
951.#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
952. ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
953.
954.#define bfd_coff_swap_sym_out(abfd, i,o) \
955. ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
956.
957.#define bfd_coff_swap_scnhdr_out(abfd, i,o) \
958. ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
959.
960.#define bfd_coff_swap_filehdr_out(abfd, i,o) \
961. ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
962.
963.#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
964. ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
965.
966.#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
967.#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
968.#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
969.#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
970.#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
971.#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
972.#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
973.#define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
974.#define bfd_coff_long_section_names(abfd) \
975. (coff_backend_info (abfd)->_bfd_coff_long_section_names)
976.#define bfd_coff_default_section_alignment_power(abfd) \
977. (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
978.#define bfd_coff_swap_filehdr_in(abfd, i,o) \
979. ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
980.
981.#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
982. ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
983.
984.#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
985. ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
986.
987.#define bfd_coff_swap_reloc_in(abfd, i, o) \
988. ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
989.
990.#define bfd_coff_bad_format_hook(abfd, filehdr) \
991. ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
992.
993.#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
994. ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
995.#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
996. ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
997.
998.#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\
999. ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name))
1000.
1001.#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
1002. ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
1003.
1004.#define bfd_coff_slurp_symbol_table(abfd)\
1005. ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
1006.
1007.#define bfd_coff_symname_in_debug(abfd, sym)\
1008. ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
1009.
1010.#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
1011. ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
1012. (abfd, file, base, symbol, aux, indaux))
1013.
1014.#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
1015. ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
1016. (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
1017.
1018.#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
1019. ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
1020. (abfd, section, reloc, shrink, link_info))
1021.
5d54c628
ILT		 1022.#define bfd_coff_classify_symbol(abfd, sym)\
1023. ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
252b5132
RH		 1024. (abfd, sym))
1025.
1026.#define bfd_coff_compute_section_file_positions(abfd)\
1027. ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
1028. (abfd))
1029.
1030.#define bfd_coff_start_final_link(obfd, info)\
1031. ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
1032. (obfd, info))
1033.#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
1034. ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
1035. (obfd, info, ibfd, o, con, rel, isyms, secs))
1036.#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
1037. ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
1038. (abfd, sec, rel, h, sym, addendp))
1039.#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
1040. ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
1041. (obfd, info, ibfd, sec, rel, adjustedp))
1042.#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
1043. ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
1044. (info, abfd, name, flags, section, value, string, cp, coll, hashp))
1045.
1046.#define bfd_coff_link_output_has_begun(a,p) \
1047. ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p))
1048.#define bfd_coff_final_link_postscript(a,p) \
1049. ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))
1050.
1051*/
1052
1053/* See whether the magic number matches. */
1054
1055static boolean
1056coff_bad_format_hook (abfd, filehdr)
5f771d47 1057 bfd * abfd ATTRIBUTE_UNUSED;
252b5132
RH		 1058 PTR filehdr;
1059{
1060 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1061
1062 if (BADMAG (*internal_f))
1063 return false;
1064
1065 /* if the optional header is NULL or not the correct size then
1066 quit; the only difference I can see between m88k dgux headers (MC88DMAGIC)
1067 and Intel 960 readwrite headers (I960WRMAGIC) is that the
1068 optional header is of a different size.
1069
1070 But the mips keeps extra stuff in it's opthdr, so dont check
1071 when doing that
1072 */
1073
1074#if defined(M88) || defined(I960)
1075 if (internal_f->f_opthdr != 0 && AOUTSZ != internal_f->f_opthdr)
1076 return false;
1077#endif
1078
1079 return true;
1080}
1081
5dccc1dd
ILT		 1082/* Check whether this section uses an alignment other than the
1083 default. */
1084
1085static void
1086coff_set_custom_section_alignment (abfd, section, alignment_table, table_size)
1087 bfd *abfd ATTRIBUTE_UNUSED;
1088 asection *section;
1089 const struct coff_section_alignment_entry *alignment_table;
1090 const unsigned int table_size;
1091{
1092 const unsigned int default_alignment = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
1093 unsigned int i;
1094
1095 for (i = 0; i < table_size; ++i)
1096 {
1097 const char *secname = bfd_get_section_name (abfd, section);
1098 if (alignment_table[i].comparison_length == (unsigned int) -1
1099 ? strcmp (alignment_table[i].name, secname) == 0
1100 : strncmp (alignment_table[i].name, secname,
1101 alignment_table[i].comparison_length) == 0)
1102 break;
1103 }
1104 if (i >= table_size)
1105 return;
1106
1107 if (alignment_table[i].default_alignment_min != COFF_ALIGNMENT_FIELD_EMPTY
1108 && default_alignment < alignment_table[i].default_alignment_min)
1109 return;
1110
1111 if (alignment_table[i].default_alignment_max != COFF_ALIGNMENT_FIELD_EMPTY
1112 && default_alignment > alignment_table[i].default_alignment_max)
1113 return;
1114
1115 section->alignment_power = alignment_table[i].alignment_power;
1116}
1117
1118/* Custom section alignment records. */
1119
1120static const struct coff_section_alignment_entry
1121coff_section_alignment_table[] =
1122{
1123#ifdef COFF_SECTION_ALIGNMENT_ENTRIES
1124 COFF_SECTION_ALIGNMENT_ENTRIES,
1125#endif
1126 /* There must not be any gaps between .stabstr sections. */
1127 { COFF_SECTION_NAME_PARTIAL_MATCH (".stabstr"),
1128 1, COFF_ALIGNMENT_FIELD_EMPTY, 0 },
1129 /* The .stab section must be aligned to 2**2 at most, to avoid gaps. */
1130 { COFF_SECTION_NAME_PARTIAL_MATCH (".stab"),
1131 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 },
1132 /* Similarly for the .ctors and .dtors sections. */
1133 { COFF_SECTION_NAME_EXACT_MATCH (".ctors"),
1134 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 },
1135 { COFF_SECTION_NAME_EXACT_MATCH (".dtors"),
1136 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 }
1137};
1138
1139static const unsigned int coff_section_alignment_table_size =
1140 sizeof coff_section_alignment_table / sizeof coff_section_alignment_table[0];
1141
1142/* Initialize a section structure with information peculiar to this
1143 particular implementation of COFF. */
252b5132
RH		 1144
1145static boolean
1146coff_new_section_hook (abfd, section)
5dccc1dd
ILT		 1147 bfd *abfd;
1148 asection *section;
252b5132
RH		 1149{
1150 combined_entry_type *native;
1151
1152 section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
1153
1154#ifdef RS6000COFF_C
1155 if (xcoff_data (abfd)->text_align_power != 0
1156 && strcmp (bfd_get_section_name (abfd, section), ".text") == 0)
1157 section->alignment_power = xcoff_data (abfd)->text_align_power;
1158 if (xcoff_data (abfd)->data_align_power != 0
1159 && strcmp (bfd_get_section_name (abfd, section), ".data") == 0)
1160 section->alignment_power = xcoff_data (abfd)->data_align_power;
1161#endif
1162
1163 /* Allocate aux records for section symbols, to store size and
1164 related info.
1165
1166 @@ The 10 is a guess at a plausible maximum number of aux entries
1167 (but shouldn't be a constant). */
1168 native = ((combined_entry_type *)
1169 bfd_zalloc (abfd, sizeof (combined_entry_type) * 10));
1170 if (native == NULL)
1171 return false;
1172
1173 /* We don't need to set up n_name, n_value, or n_scnum in the native
1174 symbol information, since they'll be overriden by the BFD symbol
1175 anyhow. However, we do need to set the type and storage class,
1176 in case this symbol winds up getting written out. The value 0
1177 for n_numaux is already correct. */
1178
1179 native->u.syment.n_type = T_NULL;
1180 native->u.syment.n_sclass = C_STAT;
1181
1182 coffsymbol (section->symbol)->native = native;
1183
5dccc1dd
ILT		 1184 coff_set_custom_section_alignment (abfd, section,
1185 coff_section_alignment_table,
1186 coff_section_alignment_table_size);
252b5132
RH		 1187
1188 return true;
1189}
1190
1191#ifdef COFF_ALIGN_IN_SECTION_HEADER
1192
1193/* Set the alignment of a BFD section. */
1194
1195static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR));
1196
1197static void
1198coff_set_alignment_hook (abfd, section, scnhdr)
5f771d47 1199 bfd * abfd ATTRIBUTE_UNUSED;
252b5132
RH		 1200 asection * section;
1201 PTR scnhdr;
1202{
1203 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
1204 unsigned int i;
1205
1206#ifdef I960
1207 /* Extract ALIGN from 2**ALIGN stored in section header */
1208 for (i = 0; i < 32; i++)
1209 if ((1 << i) >= hdr->s_align)
1210 break;
1211#endif
1212#ifdef TIC80COFF
1213 /* TI tools hijack bits 8-11 for the alignment */
1214 i = (hdr->s_flags >> 8) & 0xF ;
1215#endif
1216 section->alignment_power = i;
1217}
1218
1219#else /* ! COFF_ALIGN_IN_SECTION_HEADER */
1220#ifdef COFF_WITH_PE
1221
1222/* a couple of macros to help setting the alignment power field */
1223#define ALIGN_SET(field,x,y) \
1224 if (((field) & IMAGE_SCN_ALIGN_64BYTES) == x )\
1225 {\
1226 section->alignment_power = y;\
1227 }
1228
1229#define ELIFALIGN_SET(field,x,y) \
1230 else if (( (field) & IMAGE_SCN_ALIGN_64BYTES) == x ) \
1231 {\
1232 section->alignment_power = y;\
1233 }
1234
1235static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR));
1236
1237static void
1238coff_set_alignment_hook (abfd, section, scnhdr)
5f771d47 1239 bfd * abfd ATTRIBUTE_UNUSED;
252b5132
RH		 1240 asection * section;
1241 PTR scnhdr;
1242{
1243 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
1244
1245 ALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_64BYTES, 6)
1246 ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_32BYTES, 5)
1247 ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_16BYTES, 4)
1248 ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_8BYTES, 3)
1249 ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_4BYTES, 2)
1250 ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_2BYTES, 1)
1251 ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_1BYTES, 0)
1252
1253#ifdef POWERPC_LE_PE
1254 if (strcmp (section->name, ".idata$2") == 0)
1255 {
1256 section->alignment_power = 0;
1257 }
1258 else if (strcmp (section->name, ".idata$3") == 0)
1259 {
1260 section->alignment_power = 0;
1261 }
1262 else if (strcmp (section->name, ".idata$4") == 0)
1263 {
1264 section->alignment_power = 2;
1265 }
1266 else if (strcmp (section->name, ".idata$5") == 0)
1267 {
1268 section->alignment_power = 2;
1269 }
1270 else if (strcmp (section->name, ".idata$6") == 0)
1271 {
1272 section->alignment_power = 1;
1273 }
1274 else if (strcmp (section->name, ".reloc") == 0)
1275 {
1276 section->alignment_power = 1;
1277 }
1278 else if (strncmp (section->name, ".stab", 5) == 0)
1279 {
1280 section->alignment_power = 2;
1281 }
1282#endif
1283
1284#ifdef COFF_IMAGE_WITH_PE
1285 /* In a PE image file, the s_paddr field holds the virtual size of a
1286 section, while the s_size field holds the raw size. */
1287 if (hdr->s_paddr != 0)
1288 {
1289 if (coff_section_data (abfd, section) == NULL)
1290 {
1291 section->used_by_bfd =
1292 (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata));
1293 if (section->used_by_bfd == NULL)
1294 {
1295 /* FIXME: Return error. */
1296 abort ();
1297 }
1298 }
1299 if (pei_section_data (abfd, section) == NULL)
1300 {
1301 coff_section_data (abfd, section)->tdata =
1302 (PTR) bfd_zalloc (abfd, sizeof (struct pei_section_tdata));
1303 if (coff_section_data (abfd, section)->tdata == NULL)
1304 {
1305 /* FIXME: Return error. */
1306 abort ();
1307 }
1308 }
1309 pei_section_data (abfd, section)->virt_size = hdr->s_paddr;
1310 }
1311#endif
1312
9d8cefa9
RH		 1313#ifdef COFF_WITH_PE
1314 section->lma = hdr->s_vaddr;
1315#endif
252b5132
RH		 1316}
1317#undef ALIGN_SET
1318#undef ELIFALIGN_SET
1319
1320#else /* ! COFF_WITH_PE */
1321#ifdef RS6000COFF_C
1322
1323/* We grossly abuse this function to handle XCOFF overflow headers.
1324 When we see one, we correct the reloc and line number counts in the
1325 real header, and remove the section we just created. */
1326
1327static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR));
1328
1329static void
1330coff_set_alignment_hook (abfd, section, scnhdr)
1331 bfd *abfd;
1332 asection *section;
1333 PTR scnhdr;
1334{
1335 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
1336 asection *real_sec;
1337 asection **ps;
1338
1339 if ((hdr->s_flags & STYP_OVRFLO) == 0)
1340 return;
1341
1342 real_sec = coff_section_from_bfd_index (abfd, hdr->s_nreloc);
1343 if (real_sec == NULL)
1344 return;
1345
1346 real_sec->reloc_count = hdr->s_paddr;
1347 real_sec->lineno_count = hdr->s_vaddr;
1348
1349 for (ps = &abfd->sections; *ps != NULL; ps = &(*ps)->next)
1350 {
1351 if (*ps == section)
1352 {
1353 *ps = (*ps)->next;
1354 --abfd->section_count;
1355 break;
1356 }
1357 }
1358}
1359
1360#else /* ! RS6000COFF_C */
1361
1362#define coff_set_alignment_hook \
1363 ((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void)
1364
1365#endif /* ! RS6000COFF_C */
1366#endif /* ! COFF_WITH_PE */
1367#endif /* ! COFF_ALIGN_IN_SECTION_HEADER */
1368
1369#ifndef coff_mkobject
1370
1371static boolean coff_mkobject PARAMS ((bfd *));
1372
1373static boolean
1374coff_mkobject (abfd)
1375 bfd * abfd;
1376{
1377 coff_data_type *coff;
1378
1379 abfd->tdata.coff_obj_data = (struct coff_tdata *) bfd_zalloc (abfd, sizeof (coff_data_type));
1380 if (abfd->tdata.coff_obj_data == 0)
1381 return false;
1382 coff = coff_data (abfd);
1383 coff->symbols = (coff_symbol_type *) NULL;
1384 coff->conversion_table = (unsigned int *) NULL;
1385 coff->raw_syments = (struct coff_ptr_struct *) NULL;
1386 coff->relocbase = 0;
1387 coff->local_toc_sym_map = 0;
1388
1389/* make_abs_section(abfd);*/
1390
1391 return true;
1392}
1393#endif
1394
1395/* Create the COFF backend specific information. */
1396#ifndef coff_mkobject_hook
1397static PTR
1398coff_mkobject_hook (abfd, filehdr, aouthdr)
1399 bfd * abfd;
1400 PTR filehdr;
5f771d47 1401 PTR aouthdr ATTRIBUTE_UNUSED;
252b5132
RH		 1402{
1403 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1404 coff_data_type *coff;
1405
1406 if (coff_mkobject (abfd) == false)
1407 return NULL;
1408
1409 coff = coff_data (abfd);
1410
1411 coff->sym_filepos = internal_f->f_symptr;
1412
1413 /* These members communicate important constants about the symbol
1414 table to GDB's symbol-reading code. These `constants'
1415 unfortunately vary among coff implementations... */
1416 coff->local_n_btmask = N_BTMASK;
1417 coff->local_n_btshft = N_BTSHFT;
1418 coff->local_n_tmask = N_TMASK;
1419 coff->local_n_tshift = N_TSHIFT;
1420 coff->local_symesz = SYMESZ;
1421 coff->local_auxesz = AUXESZ;
1422 coff->local_linesz = LINESZ;
1423
1424 obj_raw_syment_count (abfd) =
1425 obj_conv_table_size (abfd) =
1426 internal_f->f_nsyms;
1427
1428#ifdef RS6000COFF_C
1429 if ((internal_f->f_flags & F_SHROBJ) != 0)
1430 abfd->flags |= DYNAMIC;
1431 if (aouthdr != NULL && internal_f->f_opthdr >= AOUTSZ)
1432 {
1433 struct internal_aouthdr *internal_a =
1434 (struct internal_aouthdr *) aouthdr;
1435 struct xcoff_tdata *xcoff;
1436
1437 xcoff = xcoff_data (abfd);
1438 xcoff->full_aouthdr = true;
1439 xcoff->toc = internal_a->o_toc;
1440 xcoff->sntoc = internal_a->o_sntoc;
1441 xcoff->snentry = internal_a->o_snentry;
1442 xcoff->text_align_power = internal_a->o_algntext;
1443 xcoff->data_align_power = internal_a->o_algndata;
1444 xcoff->modtype = internal_a->o_modtype;
1445 xcoff->cputype = internal_a->o_cputype;
1446 xcoff->maxdata = internal_a->o_maxdata;
1447 xcoff->maxstack = internal_a->o_maxstack;
1448 }
1449#endif
1450
1451#ifdef ARM
1452 /* Set the flags field from the COFF header read in */
1453 if (! _bfd_coff_arm_set_private_flags (abfd, internal_f->f_flags))
1454 coff->flags = 0;
1455#endif
1456
1457 return (PTR) coff;
1458}
1459#endif
1460
1461/* Determine the machine architecture and type. FIXME: This is target
1462 dependent because the magic numbers are defined in the target
1463 dependent header files. But there is no particular need for this.
1464 If the magic numbers were moved to a separate file, this function
1465 would be target independent and would also be much more successful
1466 at linking together COFF files for different architectures. */
1467
1468static boolean
1469coff_set_arch_mach_hook (abfd, filehdr)
1470 bfd *abfd;
1471 PTR filehdr;
1472{
1473 long machine;
1474 enum bfd_architecture arch;
1475 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1476
1477 machine = 0;
1478 switch (internal_f->f_magic)
1479 {
1480#ifdef PPCMAGIC
1481 case PPCMAGIC:
1482 arch = bfd_arch_powerpc;
1483 machine = 0; /* what does this mean? (krk) */
1484 break;
1485#endif
1486#ifdef I386MAGIC
1487 case I386MAGIC:
1488 case I386PTXMAGIC:
1489 case I386AIXMAGIC: /* Danbury PS/2 AIX C Compiler */
1490 case LYNXCOFFMAGIC: /* shadows the m68k Lynx number below, sigh */
1491 arch = bfd_arch_i386;
1492 machine = 0;
1493 break;
1494#endif
1495#ifdef A29K_MAGIC_BIG
1496 case A29K_MAGIC_BIG:
1497 case A29K_MAGIC_LITTLE:
1498 arch = bfd_arch_a29k;
1499 machine = 0;
1500 break;
1501#endif
1502#ifdef ARMMAGIC
1503 case ARMMAGIC:
1504 arch = bfd_arch_arm;
1505 switch (internal_f->f_flags & F_ARM_ARCHITECTURE_MASK)
1506 {
948221a8
NC		 1507 case F_ARM_2: machine = bfd_mach_arm_2; break;
1508 case F_ARM_2a: machine = bfd_mach_arm_2a; break;
1509 case F_ARM_3: machine = bfd_mach_arm_3; break;
1510 default:
1511 case F_ARM_3M: machine = bfd_mach_arm_3M; break;
1512 case F_ARM_4: machine = bfd_mach_arm_4; break;
1513 case F_ARM_4T: machine = bfd_mach_arm_4T; break;
478d07d6 1514 case F_ARM_5: machine = bfd_mach_arm_5; break;
252b5132
RH		 1515 }
1516 break;
1517#endif
1518#ifdef MC68MAGIC
1519 case MC68MAGIC:
1520 case M68MAGIC:
1521#ifdef MC68KBCSMAGIC
1522 case MC68KBCSMAGIC:
1523#endif
1524#ifdef APOLLOM68KMAGIC
1525 case APOLLOM68KMAGIC:
1526#endif
1527#ifdef LYNXCOFFMAGIC
1528 case LYNXCOFFMAGIC:
1529#endif
1530 arch = bfd_arch_m68k;
1531 machine = bfd_mach_m68020;
1532 break;
1533#endif
1534#ifdef MC88MAGIC
1535 case MC88MAGIC:
1536 case MC88DMAGIC:
1537 case MC88OMAGIC:
1538 arch = bfd_arch_m88k;
1539 machine = 88100;
1540 break;
1541#endif
1542#ifdef Z8KMAGIC
1543 case Z8KMAGIC:
1544 arch = bfd_arch_z8k;
1545 switch (internal_f->f_flags & F_MACHMASK)
1546 {
1547 case F_Z8001:
1548 machine = bfd_mach_z8001;
1549 break;
1550 case F_Z8002:
1551 machine = bfd_mach_z8002;
1552 break;
1553 default:
1554 return false;
1555 }
1556 break;
1557#endif
1558#ifdef I860
1559 case I860MAGIC:
1560 arch = bfd_arch_i860;
1561 break;
1562#endif
1563#ifdef I960
1564#ifdef I960ROMAGIC
1565 case I960ROMAGIC:
1566 case I960RWMAGIC:
1567 arch = bfd_arch_i960;
1568 switch (F_I960TYPE & internal_f->f_flags)
1569 {
1570 default:
1571 case F_I960CORE:
1572 machine = bfd_mach_i960_core;
1573 break;
1574 case F_I960KB:
1575 machine = bfd_mach_i960_kb_sb;
1576 break;
1577 case F_I960MC:
1578 machine = bfd_mach_i960_mc;
1579 break;
1580 case F_I960XA:
1581 machine = bfd_mach_i960_xa;
1582 break;
1583 case F_I960CA:
1584 machine = bfd_mach_i960_ca;
1585 break;
1586 case F_I960KA:
1587 machine = bfd_mach_i960_ka_sa;
1588 break;
1589 case F_I960JX:
1590 machine = bfd_mach_i960_jx;
1591 break;
1592 case F_I960HX:
1593 machine = bfd_mach_i960_hx;
1594 break;
1595 }
1596 break;
1597#endif
1598#endif
1599
1600#ifdef RS6000COFF_C
1601 case U802ROMAGIC:
1602 case U802WRMAGIC:
1603 case U802TOCMAGIC:
1604 {
1605 int cputype;
1606
1607 if (xcoff_data (abfd)->cputype != -1)
1608 cputype = xcoff_data (abfd)->cputype & 0xff;
1609 else
1610 {
1611 /* We did not get a value from the a.out header. If the
1612 file has not been stripped, we may be able to get the
1613 architecture information from the first symbol, if it
1614 is a .file symbol. */
1615 if (obj_raw_syment_count (abfd) == 0)
1616 cputype = 0;
1617 else
1618 {
1619 bfd_byte buf[SYMESZ];
1620 struct internal_syment sym;
1621
1622 if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
1623 || bfd_read (buf, 1, SYMESZ, abfd) != SYMESZ)
1624 return false;
1625 coff_swap_sym_in (abfd, (PTR) buf, (PTR) &sym);
1626 if (sym.n_sclass == C_FILE)
1627 cputype = sym.n_type & 0xff;
1628 else
1629 cputype = 0;
1630 }
1631 }
1632
1633 /* FIXME: We don't handle all cases here. */
1634 switch (cputype)
1635 {
1636 default:
1637 case 0:
1638#ifdef POWERMAC
1639 /* PowerPC Macs use the same magic numbers as RS/6000
1640 (because that's how they were bootstrapped originally),
1641 but they are always PowerPC architecture. */
1642 arch = bfd_arch_powerpc;
1643 machine = 0;
1644#else
1645 arch = bfd_arch_rs6000;
1646 machine = 6000;
1647#endif /* POWERMAC */
1648 break;
1649
1650 case 1:
1651 arch = bfd_arch_powerpc;
1652 machine = 601;
1653 break;
1654 case 2: /* 64 bit PowerPC */
1655 arch = bfd_arch_powerpc;
1656 machine = 620;
1657 break;
1658 case 3:
1659 arch = bfd_arch_powerpc;
1660 machine = 0;
1661 break;
1662 case 4:
1663 arch = bfd_arch_rs6000;
1664 machine = 6000;
1665 break;
1666 }
1667 }
1668 break;
1669#endif
1670
1671#ifdef WE32KMAGIC
1672 case WE32KMAGIC:
1673 arch = bfd_arch_we32k;
1674 machine = 0;
1675 break;
1676#endif
1677
1678#ifdef H8300MAGIC
1679 case H8300MAGIC:
1680 arch = bfd_arch_h8300;
1681 machine = bfd_mach_h8300;
1682 /* !! FIXME this probably isn't the right place for this */
1683 abfd->flags |= BFD_IS_RELAXABLE;
1684 break;
1685#endif
1686
1687#ifdef H8300HMAGIC
1688 case H8300HMAGIC:
1689 arch = bfd_arch_h8300;
1690 machine = bfd_mach_h8300h;
1691 /* !! FIXME this probably isn't the right place for this */
1692 abfd->flags |= BFD_IS_RELAXABLE;
1693 break;
1694#endif
1695
1696#ifdef H8300SMAGIC
1697 case H8300SMAGIC:
1698 arch = bfd_arch_h8300;
1699 machine = bfd_mach_h8300s;
1700 /* !! FIXME this probably isn't the right place for this */
1701 abfd->flags |= BFD_IS_RELAXABLE;
1702 break;
1703#endif
1704
1705#ifdef SH_ARCH_MAGIC_BIG
1706 case SH_ARCH_MAGIC_BIG:
1707 case SH_ARCH_MAGIC_LITTLE:
1708 arch = bfd_arch_sh;
1709 machine = 0;
1710 break;
1711#endif
1712
1713#ifdef H8500MAGIC
1714 case H8500MAGIC:
1715 arch = bfd_arch_h8500;
1716 machine = 0;
1717 break;
1718#endif
1719
1720#ifdef SPARCMAGIC
1721 case SPARCMAGIC:
1722#ifdef LYNXCOFFMAGIC
1723 case LYNXCOFFMAGIC:
1724#endif
1725 arch = bfd_arch_sparc;
1726 machine = 0;
1727 break;
1728#endif
1729
1730#ifdef TIC30MAGIC
1731 case TIC30MAGIC:
1732 arch = bfd_arch_tic30;
1733 break;
1734#endif
1735
1736#ifdef TIC80_ARCH_MAGIC
1737 case TIC80_ARCH_MAGIC:
1738 arch = bfd_arch_tic80;
1739 break;
1740#endif
1741
1742#ifdef MCOREMAGIC
1743 case MCOREMAGIC:
1744 arch = bfd_arch_mcore;
1745 break;
1746#endif
1747 default: /* Unreadable input file type */
1748 arch = bfd_arch_obscure;
1749 break;
1750 }
1751
1752 bfd_default_set_arch_mach (abfd, arch, machine);
1753 return true;
1754}
1755
1756#ifdef SYMNAME_IN_DEBUG
1757
1758static boolean symname_in_debug_hook
1759 PARAMS ((bfd *, struct internal_syment *));
1760
1761static boolean
1762symname_in_debug_hook (abfd, sym)
5f771d47 1763 bfd * abfd ATTRIBUTE_UNUSED;
252b5132
RH		 1764 struct internal_syment *sym;
1765{
1766 return SYMNAME_IN_DEBUG (sym) ? true : false;
1767}
1768
1769#else
1770
1771#define symname_in_debug_hook \
1772 (boolean (*) PARAMS ((bfd *, struct internal_syment *))) bfd_false
1773
1774#endif
1775
1776#ifdef RS6000COFF_C
1777
1778/* Handle the csect auxent of a C_EXT or C_HIDEXT symbol. */
1779
1780static boolean coff_pointerize_aux_hook
1781 PARAMS ((bfd *, combined_entry_type *, combined_entry_type *,
1782 unsigned int, combined_entry_type *));
1783
1784/*ARGSUSED*/
1785static boolean
1786coff_pointerize_aux_hook (abfd, table_base, symbol, indaux, aux)
5f771d47 1787 bfd *abfd ATTRIBUTE_UNUSED;
252b5132
RH		 1788 combined_entry_type *table_base;
1789 combined_entry_type *symbol;
1790 unsigned int indaux;
1791 combined_entry_type *aux;
1792{
1793 int class = symbol->u.syment.n_sclass;
1794
1795 if ((class == C_EXT || class == C_HIDEXT)
1796 && indaux + 1 == symbol->u.syment.n_numaux)
1797 {
1798 if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) == XTY_LD)
1799 {
1800 aux->u.auxent.x_csect.x_scnlen.p =
1801 table_base + aux->u.auxent.x_csect.x_scnlen.l;
1802 aux->fix_scnlen = 1;
1803 }
1804
1805 /* Return true to indicate that the caller should not do any
1806 further work on this auxent. */
1807 return true;
1808 }
1809
1810 /* Return false to indicate that this auxent should be handled by
1811 the caller. */
1812 return false;
1813}
1814
1815#else
1816#ifdef I960
1817
1818/* We don't want to pointerize bal entries. */
1819
1820static boolean coff_pointerize_aux_hook
1821 PARAMS ((bfd *, combined_entry_type *, combined_entry_type *,
1822 unsigned int, combined_entry_type *));
1823
1824/*ARGSUSED*/
1825static boolean
1826coff_pointerize_aux_hook (abfd, table_base, symbol, indaux, aux)
5f771d47
ILT		 1827 bfd *abfd ATTRIBUTE_UNUSED;
1828 combined_entry_type *table_base ATTRIBUTE_UNUSED;
252b5132
RH		 1829 combined_entry_type *symbol;
1830 unsigned int indaux;
5f771d47 1831 combined_entry_type *aux ATTRIBUTE_UNUSED;
252b5132
RH		 1832{
1833 /* Return true if we don't want to pointerize this aux entry, which
1834 is the case for the lastfirst aux entry for a C_LEAFPROC symbol. */
1835 return (indaux == 1
1836 && (symbol->u.syment.n_sclass == C_LEAFPROC
1837 || symbol->u.syment.n_sclass == C_LEAFSTAT
1838 || symbol->u.syment.n_sclass == C_LEAFEXT));
1839}
1840
1841#else /* ! I960 */
1842
1843#define coff_pointerize_aux_hook 0
1844
1845#endif /* ! I960 */
1846#endif /* ! RS6000COFF_C */
1847
1848/* Print an aux entry. This returns true if it has printed it. */
1849
1850static boolean coff_print_aux
1851 PARAMS ((bfd *, FILE *, combined_entry_type *, combined_entry_type *,
1852 combined_entry_type *, unsigned int));
1853
1854static boolean
1855coff_print_aux (abfd, file, table_base, symbol, aux, indaux)
5f771d47
ILT		 1856 bfd *abfd ATTRIBUTE_UNUSED;
1857 FILE *file ATTRIBUTE_UNUSED;
1858 combined_entry_type *table_base ATTRIBUTE_UNUSED;
1859 combined_entry_type *symbol ATTRIBUTE_UNUSED;
1860 combined_entry_type *aux ATTRIBUTE_UNUSED;
1861 unsigned int indaux ATTRIBUTE_UNUSED;
252b5132
RH		 1862{
1863#ifdef RS6000COFF_C
1864 if ((symbol->u.syment.n_sclass == C_EXT
1865 || symbol->u.syment.n_sclass == C_HIDEXT)
1866 && indaux + 1 == symbol->u.syment.n_numaux)
1867 {
1868 /* This is a csect entry. */
1869 fprintf (file, "AUX ");
1870 if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) != XTY_LD)
1871 {
1872 BFD_ASSERT (! aux->fix_scnlen);
1873 fprintf (file, "val %5ld", aux->u.auxent.x_csect.x_scnlen.l);
1874 }
1875 else
1876 {
1877 fprintf (file, "indx ");
1878 if (! aux->fix_scnlen)
1879 fprintf (file, "%4ld", aux->u.auxent.x_csect.x_scnlen.l);
1880 else
1881 fprintf (file, "%4ld",
1882 (long) (aux->u.auxent.x_csect.x_scnlen.p - table_base));
1883 }
1884 fprintf (file,
1885 " prmhsh %ld snhsh %u typ %d algn %d clss %u stb %ld snstb %u",
1886 aux->u.auxent.x_csect.x_parmhash,
1887 (unsigned int) aux->u.auxent.x_csect.x_snhash,
1888 SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp),
1889 SMTYP_ALIGN (aux->u.auxent.x_csect.x_smtyp),
1890 (unsigned int) aux->u.auxent.x_csect.x_smclas,
1891 aux->u.auxent.x_csect.x_stab,
1892 (unsigned int) aux->u.auxent.x_csect.x_snstab);
1893 return true;
1894 }
1895#endif
1896
1897 /* Return false to indicate that no special action was taken. */
1898 return false;
1899}
1900
1901/*
1902SUBSUBSECTION
1903 Writing relocations
1904
1905 To write relocations, the back end steps though the
1906 canonical relocation table and create an
1907 @code{internal_reloc}. The symbol index to use is removed from
1908 the @code{offset} field in the symbol table supplied. The
1909 address comes directly from the sum of the section base
1910 address and the relocation offset; the type is dug directly
1911 from the howto field. Then the @code{internal_reloc} is
1912 swapped into the shape of an @code{external_reloc} and written
1913 out to disk.
1914
1915*/
1916
1917#ifdef TARG_AUX
1918
1919static int compare_arelent_ptr PARAMS ((const PTR, const PTR));
1920
1921/* AUX's ld wants relocations to be sorted */
1922static int
1923compare_arelent_ptr (x, y)
1924 const PTR x;
1925 const PTR y;
1926{
1927 const arelent **a = (const arelent **) x;
1928 const arelent **b = (const arelent **) y;
1929 bfd_size_type aadr = (*a)->address;
1930 bfd_size_type badr = (*b)->address;
1931
1932 return (aadr < badr ? -1 : badr < aadr ? 1 : 0);
1933}
1934
1935#endif /* TARG_AUX */
1936
1937static boolean
1938coff_write_relocs (abfd, first_undef)
1939 bfd * abfd;
1940 int first_undef;
1941{
1942 asection *s;
1943
1944 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
1945 {
1946 unsigned int i;
1947 struct external_reloc dst;
1948 arelent **p;
1949
1950#ifndef TARG_AUX
1951 p = s->orelocation;
1952#else
1953 /* sort relocations before we write them out */
1954 p = (arelent **) bfd_malloc (s->reloc_count * sizeof (arelent *));
1955 if (p == NULL && s->reloc_count > 0)
1956 return false;
1957 memcpy (p, s->orelocation, s->reloc_count * sizeof (arelent *));
1958 qsort (p, s->reloc_count, sizeof (arelent *), compare_arelent_ptr);
1959#endif
1960
1961 if (bfd_seek (abfd, s->rel_filepos, SEEK_SET) != 0)
1962 return false;
1963 for (i = 0; i < s->reloc_count; i++)
1964 {
1965 struct internal_reloc n;
1966 arelent *q = p[i];
1967 memset ((PTR) & n, 0, sizeof (n));
1968
1969 /* Now we've renumbered the symbols we know where the
1970 undefined symbols live in the table. Check the reloc
1971 entries for symbols who's output bfd isn't the right one.
1972 This is because the symbol was undefined (which means
1973 that all the pointers are never made to point to the same
1974 place). This is a bad thing,'cause the symbols attached
1975 to the output bfd are indexed, so that the relocation
1976 entries know which symbol index they point to. So we
1977 have to look up the output symbol here. */
1978
1979 if (q->sym_ptr_ptr[0]->the_bfd != abfd)
1980 {
1981 int i;
1982 const char *sname = q->sym_ptr_ptr[0]->name;
1983 asymbol **outsyms = abfd->outsymbols;
1984 for (i = first_undef; outsyms[i]; i++)
1985 {
1986 const char *intable = outsyms[i]->name;
1987 if (strcmp (intable, sname) == 0) {
1988 /* got a hit, so repoint the reloc */
1989 q->sym_ptr_ptr = outsyms + i;
1990 break;
1991 }
1992 }
1993 }
1994
1995 n.r_vaddr = q->address + s->vma;
1996
1997#ifdef R_IHCONST
1998 /* The 29k const/consth reloc pair is a real kludge. The consth
1999 part doesn't have a symbol; it has an offset. So rebuilt
2000 that here. */
2001 if (q->howto->type == R_IHCONST)
2002 n.r_symndx = q->addend;
2003 else
2004#endif
2005 if (q->sym_ptr_ptr)
2006 {
2007 if (q->sym_ptr_ptr == bfd_abs_section_ptr->symbol_ptr_ptr)
2008 /* This is a relocation relative to the absolute symbol. */
2009 n.r_symndx = -1;
2010 else
2011 {
2012 n.r_symndx = get_index ((*(q->sym_ptr_ptr)));
2013 /* Take notice if the symbol reloc points to a symbol
2014 we don't have in our symbol table. What should we
2015 do for this?? */
2016 if (n.r_symndx > obj_conv_table_size (abfd))
2017 abort ();
2018 }
2019 }
2020
2021#ifdef SWAP_OUT_RELOC_OFFSET
2022 n.r_offset = q->addend;
2023#endif
2024
2025#ifdef SELECT_RELOC
2026 /* Work out reloc type from what is required */
2027 SELECT_RELOC (n, q->howto);
2028#else
2029 n.r_type = q->howto->type;
2030#endif
2031 coff_swap_reloc_out (abfd, &n, &dst);
2032 if (bfd_write ((PTR) & dst, 1, RELSZ, abfd) != RELSZ)
2033 return false;
2034 }
2035
2036#ifdef TARG_AUX
2037 if (p != NULL)
2038 free (p);
2039#endif
2040 }
2041
2042 return true;
2043}
2044
2045/* Set flags and magic number of a coff file from architecture and machine
2046 type. Result is true if we can represent the arch&type, false if not. */
2047
2048static boolean
2049coff_set_flags (abfd, magicp, flagsp)
2050 bfd * abfd;
5f771d47
ILT		 2051 unsigned int *magicp ATTRIBUTE_UNUSED;
2052 unsigned short *flagsp ATTRIBUTE_UNUSED;
252b5132
RH		 2053{
2054 switch (bfd_get_arch (abfd))
2055 {
2056#ifdef Z8KMAGIC
2057 case bfd_arch_z8k:
2058 *magicp = Z8KMAGIC;
2059 switch (bfd_get_mach (abfd))
2060 {
2061 case bfd_mach_z8001:
2062 *flagsp = F_Z8001;
2063 break;
2064 case bfd_mach_z8002:
2065 *flagsp = F_Z8002;
2066 break;
2067 default:
2068 return false;
2069 }
2070 return true;
2071#endif
2072#ifdef I960ROMAGIC
2073
2074 case bfd_arch_i960:
2075
2076 {
2077 unsigned flags;
2078 *magicp = I960ROMAGIC;
2079 /*
2080 ((bfd_get_file_flags(abfd) & WP_TEXT) ? I960ROMAGIC :
2081 I960RWMAGIC); FIXME???
2082 */
2083 switch (bfd_get_mach (abfd))
2084 {
2085 case bfd_mach_i960_core:
2086 flags = F_I960CORE;
2087 break;
2088 case bfd_mach_i960_kb_sb:
2089 flags = F_I960KB;
2090 break;
2091 case bfd_mach_i960_mc:
2092 flags = F_I960MC;
2093 break;
2094 case bfd_mach_i960_xa:
2095 flags = F_I960XA;
2096 break;
2097 case bfd_mach_i960_ca:
2098 flags = F_I960CA;
2099 break;
2100 case bfd_mach_i960_ka_sa:
2101 flags = F_I960KA;
2102 break;
2103 case bfd_mach_i960_jx:
2104 flags = F_I960JX;
2105 break;
2106 case bfd_mach_i960_hx:
2107 flags = F_I960HX;
2108 break;
2109 default:
2110 return false;
2111 }
2112 *flagsp = flags;
2113 return true;
2114 }
2115 break;
2116#endif
2117
2118#ifdef TIC30MAGIC
2119 case bfd_arch_tic30:
2120 *magicp = TIC30MAGIC;
2121 return true;
2122#endif
2123#ifdef TIC80_ARCH_MAGIC
2124 case bfd_arch_tic80:
2125 *magicp = TIC80_ARCH_MAGIC;
2126 return true;
2127#endif
2128#ifdef ARMMAGIC
2129 case bfd_arch_arm:
2130 * magicp = ARMMAGIC;
2131 * flagsp = 0;
2132 if (APCS_SET (abfd))
2133 {
2134 if (APCS_26_FLAG (abfd))
2135 * flagsp |= F_APCS26;
2136
2137 if (APCS_FLOAT_FLAG (abfd))
2138 * flagsp |= F_APCS_FLOAT;
2139
2140 if (PIC_FLAG (abfd))
948221a8 2141 * flagsp |= F_PIC;
252b5132
RH		 2142 }
2143 if (INTERWORK_SET (abfd) && INTERWORK_FLAG (abfd))
2144 * flagsp |= F_INTERWORK;
2145 switch (bfd_get_mach (abfd))
2146 {
2147 case bfd_mach_arm_2: * flagsp |= F_ARM_2; break;
2148 case bfd_mach_arm_2a: * flagsp |= F_ARM_2a; break;
2149 case bfd_mach_arm_3: * flagsp |= F_ARM_3; break;
2150 case bfd_mach_arm_3M: * flagsp |= F_ARM_3M; break;
2151 case bfd_mach_arm_4: * flagsp |= F_ARM_4; break;
2152 case bfd_mach_arm_4T: * flagsp |= F_ARM_4T; break;
478d07d6
NC		 2153 case bfd_mach_arm_5: * flagsp |= F_ARM_5; break;
2154 case bfd_mach_arm_5T: * flagsp |= F_ARM_5; break; /* XXX - we do not have an F_ARM_5T */
252b5132
RH		 2155 }
2156 return true;
2157#endif
2158#ifdef PPCMAGIC
2159 case bfd_arch_powerpc:
2160 *magicp = PPCMAGIC;
2161 return true;
2162 break;
2163#endif
2164#ifdef I386MAGIC
2165 case bfd_arch_i386:
2166 *magicp = I386MAGIC;
2167#ifdef LYNXOS
2168 /* Just overwrite the usual value if we're doing Lynx. */
2169 *magicp = LYNXCOFFMAGIC;
2170#endif
2171 return true;
2172 break;
2173#endif
2174#ifdef I860MAGIC
2175 case bfd_arch_i860:
2176 *magicp = I860MAGIC;
2177 return true;
2178 break;
2179#endif
2180#ifdef MC68MAGIC
2181 case bfd_arch_m68k:
2182#ifdef APOLLOM68KMAGIC
2183 *magicp = APOLLO_COFF_VERSION_NUMBER;
2184#else
2185 /* NAMES_HAVE_UNDERSCORE may be defined by coff-u68k.c. */
2186#ifdef NAMES_HAVE_UNDERSCORE
2187 *magicp = MC68KBCSMAGIC;
2188#else
2189 *magicp = MC68MAGIC;
2190#endif
2191#endif
2192#ifdef LYNXOS
2193 /* Just overwrite the usual value if we're doing Lynx. */
2194 *magicp = LYNXCOFFMAGIC;
2195#endif
2196 return true;
2197 break;
2198#endif
2199
2200#ifdef MC88MAGIC
2201 case bfd_arch_m88k:
2202 *magicp = MC88OMAGIC;
2203 return true;
2204 break;
2205#endif
2206#ifdef H8300MAGIC
2207 case bfd_arch_h8300:
2208 switch (bfd_get_mach (abfd))
2209 {
2210 case bfd_mach_h8300:
2211 *magicp = H8300MAGIC;
2212 return true;
2213 case bfd_mach_h8300h:
2214 *magicp = H8300HMAGIC;
2215 return true;
2216 case bfd_mach_h8300s:
2217 *magicp = H8300SMAGIC;
2218 return true;
2219 }
2220 break;
2221#endif
2222
2223#ifdef SH_ARCH_MAGIC_BIG
2224 case bfd_arch_sh:
2225 if (bfd_big_endian (abfd))
2226 *magicp = SH_ARCH_MAGIC_BIG;
2227 else
2228 *magicp = SH_ARCH_MAGIC_LITTLE;
2229 return true;
2230 break;
2231#endif
2232
2233#ifdef SPARCMAGIC
2234 case bfd_arch_sparc:
2235 *magicp = SPARCMAGIC;
2236#ifdef LYNXOS
2237 /* Just overwrite the usual value if we're doing Lynx. */
2238 *magicp = LYNXCOFFMAGIC;
2239#endif
2240 return true;
2241 break;
2242#endif
2243
2244#ifdef H8500MAGIC
2245 case bfd_arch_h8500:
2246 *magicp = H8500MAGIC;
2247 return true;
2248 break;
2249#endif
2250#ifdef A29K_MAGIC_BIG
2251 case bfd_arch_a29k:
2252 if (bfd_big_endian (abfd))
2253 *magicp = A29K_MAGIC_BIG;
2254 else
2255 *magicp = A29K_MAGIC_LITTLE;
2256 return true;
2257 break;
2258#endif
2259
2260#ifdef WE32KMAGIC
2261 case bfd_arch_we32k:
2262 *magicp = WE32KMAGIC;
2263 return true;
2264 break;
2265#endif
2266
2267#ifdef U802TOCMAGIC
2268 case bfd_arch_rs6000:
2269#ifndef PPCMAGIC
2270 case bfd_arch_powerpc:
2271#endif
2272 *magicp = U802TOCMAGIC;
2273 return true;
2274 break;
2275#endif
2276
2277#ifdef MCOREMAGIC
2278 case bfd_arch_mcore:
2279 * magicp = MCOREMAGIC;
2280 return true;
2281#endif
2282
2283 default: /* Unknown architecture */
2284 /* return false; -- fall through to "return false" below, to avoid
2285 "statement never reached" errors on the one below. */
2286 break;
2287 }
2288
2289 return false;
2290}
2291
2292
2293static boolean
2294coff_set_arch_mach (abfd, arch, machine)
2295 bfd * abfd;
2296 enum bfd_architecture arch;
2297 unsigned long machine;
2298{
2299 unsigned dummy1;
2300 unsigned short dummy2;
2301
2302 if (! bfd_default_set_arch_mach (abfd, arch, machine))
2303 return false;
2304
2305 if (arch != bfd_arch_unknown &&
2306 coff_set_flags (abfd, &dummy1, &dummy2) != true)
2307 return false; /* We can't represent this type */
2308
2309 return true; /* We're easy ... */
2310}
2311
2312
2313/* Calculate the file position for each section. */
2314
2315#ifndef I960
2316#define ALIGN_SECTIONS_IN_FILE
2317#endif
2318#ifdef TIC80COFF
2319#undef ALIGN_SECTIONS_IN_FILE
2320#endif
2321
2322static boolean
2323coff_compute_section_file_positions (abfd)
2324 bfd * abfd;
2325{
2326 asection *current;
2327 asection *previous = (asection *) NULL;
2328 file_ptr sofar = FILHSZ;
2329 boolean align_adjust;
2330 unsigned int count;
2331#ifdef ALIGN_SECTIONS_IN_FILE
2332 file_ptr old_sofar;
2333#endif
2334
2335#ifdef RS6000COFF_C
2336 /* On XCOFF, if we have symbols, set up the .debug section. */
2337 if (bfd_get_symcount (abfd) > 0)
2338 {
2339 bfd_size_type sz;
2340 bfd_size_type i, symcount;
2341 asymbol **symp;
2342
2343 sz = 0;
2344 symcount = bfd_get_symcount (abfd);
2345 for (symp = abfd->outsymbols, i = 0; i < symcount; symp++, i++)
2346 {
2347 coff_symbol_type *cf;
2348
2349 cf = coff_symbol_from (abfd, *symp);
2350 if (cf != NULL
2351 && cf->native != NULL
2352 && SYMNAME_IN_DEBUG (&cf->native->u.syment))
2353 {
2354 size_t len;
2355
2356 len = strlen (bfd_asymbol_name (*symp));
2357 if (len > SYMNMLEN)
2358 sz += len + 3;
2359 }
2360 }
2361 if (sz > 0)
2362 {
2363 asection *dsec;
2364
2365 dsec = bfd_make_section_old_way (abfd, ".debug");
2366 if (dsec == NULL)
2367 abort ();
2368 dsec->_raw_size = sz;
2369 dsec->flags |= SEC_HAS_CONTENTS;
2370 }
2371 }
2372#endif
2373
2374#ifdef COFF_IMAGE_WITH_PE
2375 int page_size;
2376 if (coff_data (abfd)->link_info)
2377 {
2378 page_size = pe_data (abfd)->pe_opthdr.FileAlignment;
2379 }
2380 else
2381 page_size = PE_DEF_FILE_ALIGNMENT;
2382#else
2383#ifdef COFF_PAGE_SIZE
2384 int page_size = COFF_PAGE_SIZE;
2385#endif
2386#endif
2387
2388 if (bfd_get_start_address (abfd))
2389 {
2390 /* A start address may have been added to the original file. In this
2391 case it will need an optional header to record it. */
2392 abfd->flags |= EXEC_P;
2393 }
2394
2395 if (abfd->flags & EXEC_P)
2396 sofar += AOUTSZ;
2397#ifdef RS6000COFF_C
2398 else if (xcoff_data (abfd)->full_aouthdr)
2399 sofar += AOUTSZ;
2400 else
2401 sofar += SMALL_AOUTSZ;
2402#endif
2403
2404 sofar += abfd->section_count * SCNHSZ;
2405
2406#ifdef RS6000COFF_C
2407 /* XCOFF handles overflows in the reloc and line number count fields
2408 by allocating a new section header to hold the correct counts. */
2409 for (current = abfd->sections; current != NULL; current = current->next)
2410 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
2411 sofar += SCNHSZ;
2412#endif
2413
2414 align_adjust = false;
2415 for (current = abfd->sections, count = 1;
2416 current != (asection *) NULL;
2417 current = current->next, ++count)
2418 {
2419#ifdef COFF_IMAGE_WITH_PE
2420 /* The NT loader does not want empty section headers, so we omit
2421 them. We don't actually remove the section from the BFD,
2422 although we probably should. This matches code in
2423 coff_write_object_contents. */
2424 if (current->_raw_size == 0)
2425 {
2426 current->target_index = -1;
2427 --count;
2428 continue;
2429 }
2430#endif
2431
2432 current->target_index = count;
2433
2434 /* Only deal with sections which have contents */
2435 if (!(current->flags & SEC_HAS_CONTENTS))
2436 continue;
2437
2438 /* Align the sections in the file to the same boundary on
2439 which they are aligned in virtual memory. I960 doesn't
2440 do this (FIXME) so we can stay in sync with Intel. 960
2441 doesn't yet page from files... */
2442#ifdef ALIGN_SECTIONS_IN_FILE
2443 if ((abfd->flags & EXEC_P) != 0)
2444 {
2445 /* make sure this section is aligned on the right boundary - by
2446 padding the previous section up if necessary */
2447
2448 old_sofar = sofar;
2449 sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
2450 if (previous != (asection *) NULL)
2451 {
2452 previous->_raw_size += sofar - old_sofar;
2453 }
2454 }
2455
2456#endif
2457
2458 /* In demand paged files the low order bits of the file offset
2459 must match the low order bits of the virtual address. */
2460#ifdef COFF_PAGE_SIZE
2461 if ((abfd->flags & D_PAGED) != 0
2462 && (current->flags & SEC_ALLOC) != 0)
2463 sofar += (current->vma - sofar) % page_size;
2464#endif
2465 current->filepos = sofar;
2466
2467#ifdef COFF_IMAGE_WITH_PE
2468 /* With PE we have to pad each section to be a multiple of its
2469 page size too, and remember both sizes. */
2470
2471 if (coff_section_data (abfd, current) == NULL)
2472 {
2473 current->used_by_bfd =
2474 (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata));
2475 if (current->used_by_bfd == NULL)
2476 return false;
2477 }
2478 if (pei_section_data (abfd, current) == NULL)
2479 {
2480 coff_section_data (abfd, current)->tdata =
2481 (PTR) bfd_zalloc (abfd, sizeof (struct pei_section_tdata));
2482 if (coff_section_data (abfd, current)->tdata == NULL)
2483 return false;
2484 }
2485 if (pei_section_data (abfd, current)->virt_size == 0)
2486 pei_section_data (abfd, current)->virt_size = current->_raw_size;
2487
2488 current->_raw_size = (current->_raw_size + page_size -1) & -page_size;
2489#endif
2490
2491 sofar += current->_raw_size;
2492
2493#ifdef ALIGN_SECTIONS_IN_FILE
2494 /* make sure that this section is of the right size too */
2495 if ((abfd->flags & EXEC_P) == 0)
2496 {
2497 bfd_size_type old_size;
2498
2499 old_size = current->_raw_size;
2500 current->_raw_size = BFD_ALIGN (current->_raw_size,
2501 1 << current->alignment_power);
2502 align_adjust = current->_raw_size != old_size;
2503 sofar += current->_raw_size - old_size;
2504 }
2505 else
2506 {
2507 old_sofar = sofar;
2508 sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
2509 align_adjust = sofar != old_sofar;
2510 current->_raw_size += sofar - old_sofar;
2511 }
2512#endif
2513
2514#ifdef COFF_IMAGE_WITH_PE
2515 /* For PE we need to make sure we pad out to the aligned
2516 _raw_size, in case the caller only writes out data to the
2517 unaligned _raw_size. */
2518 if (pei_section_data (abfd, current)->virt_size < current->_raw_size)
2519 align_adjust = true;
2520#endif
2521
2522#ifdef _LIB
2523 /* Force .lib sections to start at zero. The vma is then
2524 incremented in coff_set_section_contents. This is right for
2525 SVR3.2. */
2526 if (strcmp (current->name, _LIB) == 0)
2527 bfd_set_section_vma (abfd, current, 0);
2528#endif
2529
2530 previous = current;
2531 }
2532
2533 /* It is now safe to write to the output file. If we needed an
2534 alignment adjustment for the last section, then make sure that
2535 there is a byte at offset sofar. If there are no symbols and no
2536 relocs, then nothing follows the last section. If we don't force
2537 the last byte out, then the file may appear to be truncated. */
2538 if (align_adjust)
2539 {
2540 bfd_byte b;
2541
2542 b = 0;
2543 if (bfd_seek (abfd, sofar - 1, SEEK_SET) != 0
2544 || bfd_write (&b, 1, 1, abfd) != 1)
2545 return false;
2546 }
2547
2548 /* Make sure the relocations are aligned. We don't need to make
2549 sure that this byte exists, because it will only matter if there
2550 really are relocs. */
2551 sofar = BFD_ALIGN (sofar, 1 << COFF_DEFAULT_SECTION_ALIGNMENT_POWER);
2552
2553 obj_relocbase (abfd) = sofar;
2554 abfd->output_has_begun = true;
2555
2556 return true;
2557}
2558
2559#if 0
2560
2561/* This can never work, because it is called too late--after the
2562 section positions have been set. I can't figure out what it is
2563 for, so I am going to disable it--Ian Taylor 20 March 1996. */
2564
2565/* If .file, .text, .data, .bss symbols are missing, add them. */
2566/* @@ Should we only be adding missing symbols, or overriding the aux
2567 values for existing section symbols? */
2568static boolean
2569coff_add_missing_symbols (abfd)
2570 bfd *abfd;
2571{
2572 unsigned int nsyms = bfd_get_symcount (abfd);
2573 asymbol **sympp = abfd->outsymbols;
2574 asymbol **sympp2;
2575 unsigned int i;
2576 int need_text = 1, need_data = 1, need_bss = 1, need_file = 1;
2577
2578 for (i = 0; i < nsyms; i++)
2579 {
2580 coff_symbol_type *csym = coff_symbol_from (abfd, sympp[i]);
2581 CONST char *name;
2582 if (csym)
2583 {
2584 /* only do this if there is a coff representation of the input
2585 symbol */
2586 if (csym->native && csym->native->u.syment.n_sclass == C_FILE)
2587 {
2588 need_file = 0;
2589 continue;
2590 }
2591 name = csym->symbol.name;
2592 if (!name)
2593 continue;
2594 if (!strcmp (name, _TEXT))
2595 need_text = 0;
2596#ifdef APOLLO_M68
2597 else if (!strcmp (name, ".wtext"))
2598 need_text = 0;
2599#endif
2600 else if (!strcmp (name, _DATA))
2601 need_data = 0;
2602 else if (!strcmp (name, _BSS))
2603 need_bss = 0;
2604 }
2605 }
2606 /* Now i == bfd_get_symcount (abfd). */
2607 /* @@ For now, don't deal with .file symbol. */
2608 need_file = 0;
2609
2610 if (!need_text && !need_data && !need_bss && !need_file)
2611 return true;
2612 nsyms += need_text + need_data + need_bss + need_file;
2613 sympp2 = (asymbol **) bfd_alloc (abfd, nsyms * sizeof (asymbol *));
2614 if (!sympp2)
2615 return false;
2616 memcpy (sympp2, sympp, i * sizeof (asymbol *));
2617 if (need_file)
2618 {
2619 /* @@ Generate fake .file symbol, in sympp2[i], and increment i. */
2620 abort ();
2621 }
2622 if (need_text)
2623 sympp2[i++] = coff_section_symbol (abfd, _TEXT);
2624 if (need_data)
2625 sympp2[i++] = coff_section_symbol (abfd, _DATA);
2626 if (need_bss)
2627 sympp2[i++] = coff_section_symbol (abfd, _BSS);
2628 BFD_ASSERT (i == nsyms);
2629 bfd_set_symtab (abfd, sympp2, nsyms);
2630 return true;
2631}
2632
2633#endif /* 0 */
2634
2635/* SUPPRESS 558 */
2636/* SUPPRESS 529 */
2637static boolean
2638coff_write_object_contents (abfd)
2639 bfd * abfd;
2640{
2641 asection *current;
2642 boolean hasrelocs = false;
2643 boolean haslinno = false;
2644 file_ptr scn_base;
2645 file_ptr reloc_base;
2646 file_ptr lineno_base;
2647 file_ptr sym_base;
2648 unsigned long reloc_size = 0;
2649 unsigned long lnno_size = 0;
2650 boolean long_section_names;
2651 asection *text_sec = NULL;
2652 asection *data_sec = NULL;
2653 asection *bss_sec = NULL;
2654 struct internal_filehdr internal_f;
2655 struct internal_aouthdr internal_a;
2656#ifdef COFF_LONG_SECTION_NAMES
2657 size_t string_size = STRING_SIZE_SIZE;
2658#endif
2659
2660 bfd_set_error (bfd_error_system_call);
2661
2662 /* Make a pass through the symbol table to count line number entries and
2663 put them into the correct asections */
2664
2665 lnno_size = coff_count_linenumbers (abfd) * LINESZ;
2666
2667 if (abfd->output_has_begun == false)
2668 {
2669 if (! coff_compute_section_file_positions (abfd))
2670 return false;
2671 }
2672
2673 reloc_base = obj_relocbase (abfd);
2674
2675 /* Work out the size of the reloc and linno areas */
2676
2677 for (current = abfd->sections; current != NULL; current =
2678 current->next)
2679 reloc_size += current->reloc_count * RELSZ;
2680
2681 lineno_base = reloc_base + reloc_size;
2682 sym_base = lineno_base + lnno_size;
2683
2684 /* Indicate in each section->line_filepos its actual file address */
2685 for (current = abfd->sections; current != NULL; current =
2686 current->next)
2687 {
2688 if (current->lineno_count)
2689 {
2690 current->line_filepos = lineno_base;
2691 current->moving_line_filepos = lineno_base;
2692 lineno_base += current->lineno_count * LINESZ;
2693 }
2694 else
2695 {
2696 current->line_filepos = 0;
2697 }
2698 if (current->reloc_count)
2699 {
2700 current->rel_filepos = reloc_base;
2701 reloc_base += current->reloc_count * RELSZ;
2702 }
2703 else
2704 {
2705 current->rel_filepos = 0;
2706 }
2707 }
2708
2709 /* Write section headers to the file. */
2710 internal_f.f_nscns = 0;
2711
2712 if ((abfd->flags & EXEC_P) != 0)
2713 scn_base = FILHSZ + AOUTSZ;
2714 else
2715 {
2716 scn_base = FILHSZ;
2717#ifdef RS6000COFF_C
2718 if (xcoff_data (abfd)->full_aouthdr)
2719 scn_base += AOUTSZ;
2720 else
2721 scn_base += SMALL_AOUTSZ;
2722#endif
2723 }
2724
2725 if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
2726 return false;
2727
2728 long_section_names = false;
2729 for (current = abfd->sections;
2730 current != NULL;
2731 current = current->next)
2732 {
2733 struct internal_scnhdr section;
2734
2735#ifdef COFF_WITH_PE
2736 /* If we've got a .reloc section, remember. */
2737
2738#ifdef COFF_IMAGE_WITH_PE
2739 if (strcmp (current->name, ".reloc") == 0)
2740 {
2741 pe_data (abfd)->has_reloc_section = 1;
2742 }
2743#endif
2744
2745#endif
2746 internal_f.f_nscns++;
2747
2748 strncpy (section.s_name, current->name, SCNNMLEN);
2749
2750#ifdef COFF_LONG_SECTION_NAMES
2751 /* Handle long section names as in PE. This must be compatible
2752 with the code in coff_write_symbols. */
2753 {
2754 size_t len;
2755
2756 len = strlen (current->name);
2757 if (len > SCNNMLEN)
2758 {
2759 memset (section.s_name, 0, SCNNMLEN);
2760 sprintf (section.s_name, "/%lu", (unsigned long) string_size);
2761 string_size += len + 1;
2762 long_section_names = true;
2763 }
2764 }
2765#endif
2766
2767#ifdef _LIB
2768 /* Always set s_vaddr of .lib to 0. This is right for SVR3.2
2769 Ian Taylor <ian@cygnus.com>. */
2770 if (strcmp (current->name, _LIB) == 0)
2771 section.s_vaddr = 0;
2772 else
2773#endif
2774 section.s_vaddr = current->vma;
2775 section.s_paddr = current->lma;
2776 section.s_size = current->_raw_size;
2777
2778#ifdef COFF_WITH_PE
2779 section.s_paddr = 0;
2780#endif
2781#ifdef COFF_IMAGE_WITH_PE
2782 /* Reminder: s_paddr holds the virtual size of the section. */
2783 if (coff_section_data (abfd, current) != NULL
2784 && pei_section_data (abfd, current) != NULL)
2785 section.s_paddr = pei_section_data (abfd, current)->virt_size;
2786 else
2787 section.s_paddr = 0;
2788#endif
2789
2790 /*
2791 If this section has no size or is unloadable then the scnptr
2792 will be 0 too
2793 */
2794 if (current->_raw_size == 0 ||
2795 (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
2796 {
2797 section.s_scnptr = 0;
2798 }
2799 else
2800 {
2801 section.s_scnptr = current->filepos;
2802 }
2803 section.s_relptr = current->rel_filepos;
2804 section.s_lnnoptr = current->line_filepos;
2805 section.s_nreloc = current->reloc_count;
2806 section.s_nlnno = current->lineno_count;
2807 if (current->reloc_count != 0)
2808 hasrelocs = true;
2809 if (current->lineno_count != 0)
2810 haslinno = true;
2811
2812#ifdef RS6000COFF_C
2813 /* Indicate the use of an XCOFF overflow section header. */
2814 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
2815 {
2816 section.s_nreloc = 0xffff;
2817 section.s_nlnno = 0xffff;
2818 }
2819#endif
2820
2821 section.s_flags = sec_to_styp_flags (current->name, current->flags);
2822
2823 if (!strcmp (current->name, _TEXT))
2824 {
2825 text_sec = current;
2826 }
2827 else if (!strcmp (current->name, _DATA))
2828 {
2829 data_sec = current;
2830 }
2831 else if (!strcmp (current->name, _BSS))
2832 {
2833 bss_sec = current;
2834 }
2835
2836#ifdef I960
2837 section.s_align = (current->alignment_power
2838 ? 1 << current->alignment_power
2839 : 0);
2840#else
2841#ifdef TIC80COFF
2842 section.s_flags |= (current->alignment_power & 0xF) << 8;
2843#endif
2844#endif
2845
2846#ifdef COFF_IMAGE_WITH_PE
2847 /* suppress output of the sections if they are null. ld includes
2848 the bss and data sections even if there is no size assigned
2849 to them. NT loader doesn't like it if these section headers are
2850 included if the sections themselves are not needed */
2851 if (section.s_size == 0)
2852 internal_f.f_nscns--;
2853 else
2854#endif
2855 {
2856 SCNHDR buff;
2857 if (coff_swap_scnhdr_out (abfd, &section, &buff) == 0
2858 || bfd_write ((PTR) (&buff), 1, SCNHSZ, abfd) != SCNHSZ)
2859 return false;
2860 }
2861
2862#ifdef COFF_WITH_PE
2863 /* PE stores COMDAT section information in the symbol table. If
2864 this section is supposed to have some COMDAT info, track down
2865 the symbol in the symbol table and modify it. */
2866 if ((current->flags & SEC_LINK_ONCE) != 0)
2867 {
2868 unsigned int i, count;
2869 asymbol **psym;
2870 coff_symbol_type *csym = NULL;
2871 asymbol **psymsec;
2872
2873 psymsec = NULL;
2874 count = bfd_get_symcount (abfd);
2875 for (i = 0, psym = abfd->outsymbols; i < count; i++, psym++)
2876 {
2877 if ((*psym)->section != current)
2878 continue;
2879
2880 /* Remember the location of the first symbol in this
2881 section. */
2882 if (psymsec == NULL)
2883 psymsec = psym;
2884
2885 /* See if this is the section symbol. */
2886 if (strcmp ((*psym)->name, current->name) == 0)
2887 {
2888 csym = coff_symbol_from (abfd, *psym);
2889 if (csym == NULL
2890 || csym->native == NULL
2891 || csym->native->u.syment.n_numaux < 1
2892 || csym->native->u.syment.n_sclass != C_STAT
2893 || csym->native->u.syment.n_type != T_NULL)
2894 continue;
2895
2896 /* Here *PSYM is the section symbol for CURRENT. */
2897
2898 break;
2899 }
2900 }
2901
2902 /* Did we find it?
2903 Note that we might not if we're converting the file from
2904 some other object file format. */
2905 if (i < count)
2906 {
2907 combined_entry_type *aux;
2908
2909 /* We don't touch the x_checksum field. The
2910 x_associated field is not currently supported. */
2911
2912 aux = csym->native + 1;
2913 switch (current->flags & SEC_LINK_DUPLICATES)
2914 {
2915 case SEC_LINK_DUPLICATES_DISCARD:
2916 aux->u.auxent.x_scn.x_comdat = IMAGE_COMDAT_SELECT_ANY;
2917 break;
2918
2919 case SEC_LINK_DUPLICATES_ONE_ONLY:
2920 aux->u.auxent.x_scn.x_comdat =
2921 IMAGE_COMDAT_SELECT_NODUPLICATES;
2922 break;
2923
2924 case SEC_LINK_DUPLICATES_SAME_SIZE:
2925 aux->u.auxent.x_scn.x_comdat =
2926 IMAGE_COMDAT_SELECT_SAME_SIZE;
2927 break;
2928
2929 case SEC_LINK_DUPLICATES_SAME_CONTENTS:
2930 aux->u.auxent.x_scn.x_comdat =
2931 IMAGE_COMDAT_SELECT_EXACT_MATCH;
2932 break;
2933 }
2934
2935 /* The COMDAT symbol must be the first symbol from this
2936 section in the symbol table. In order to make this
2937 work, we move the COMDAT symbol before the first
2938 symbol we found in the search above. It's OK to
2939 rearrange the symbol table at this point, because
2940 coff_renumber_symbols is going to rearrange it
2941 further and fix up all the aux entries. */
2942 if (psym != psymsec)
2943 {
2944 asymbol *hold;
2945 asymbol **pcopy;
2946
2947 hold = *psym;
2948 for (pcopy = psym; pcopy > psymsec; pcopy--)
2949 pcopy[0] = pcopy[-1];
2950 *psymsec = hold;
2951 }
2952 }
2953 }
2954#endif /* COFF_WITH_PE */
2955 }
2956
2957#ifdef RS6000COFF_C
2958 /* XCOFF handles overflows in the reloc and line number count fields
2959 by creating a new section header to hold the correct values. */
2960 for (current = abfd->sections; current != NULL; current = current->next)
2961 {
2962 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
2963 {
2964 struct internal_scnhdr scnhdr;
2965 SCNHDR buff;
2966
2967 internal_f.f_nscns++;
2968 strncpy (&(scnhdr.s_name[0]), current->name, 8);
2969 scnhdr.s_paddr = current->reloc_count;
2970 scnhdr.s_vaddr = current->lineno_count;
2971 scnhdr.s_size = 0;
2972 scnhdr.s_scnptr = 0;
2973 scnhdr.s_relptr = current->rel_filepos;
2974 scnhdr.s_lnnoptr = current->line_filepos;
2975 scnhdr.s_nreloc = current->target_index;
2976 scnhdr.s_nlnno = current->target_index;
2977 scnhdr.s_flags = STYP_OVRFLO;
2978 if (coff_swap_scnhdr_out (abfd, &scnhdr, &buff) == 0
2979 || bfd_write ((PTR) &buff, 1, SCNHSZ, abfd) != SCNHSZ)
2980 return false;
2981 }
2982 }
2983#endif
2984
2985 /* OK, now set up the filehdr... */
2986
2987 /* Don't include the internal abs section in the section count */
2988
2989 /*
2990 We will NOT put a fucking timestamp in the header here. Every time you
2991 put it back, I will come in and take it out again. I'm sorry. This
2992 field does not belong here. We fill it with a 0 so it compares the
2993 same but is not a reasonable time. -- gnu@cygnus.com
2994 */
2995 internal_f.f_timdat = 0;
2996
2997 internal_f.f_flags = 0;
2998
2999 if (abfd->flags & EXEC_P)
3000 internal_f.f_opthdr = AOUTSZ;
3001 else
3002 {
3003 internal_f.f_opthdr = 0;
3004#ifdef RS6000COFF_C
3005 if (xcoff_data (abfd)->full_aouthdr)
3006 internal_f.f_opthdr = AOUTSZ;
3007 else
3008 internal_f.f_opthdr = SMALL_AOUTSZ;
3009#endif
3010 }
3011
3012 if (!hasrelocs)
3013 internal_f.f_flags |= F_RELFLG;
3014 if (!haslinno)
3015 internal_f.f_flags |= F_LNNO;
3016 if (abfd->flags & EXEC_P)
3017 internal_f.f_flags |= F_EXEC;
3018
3019 /* FIXME: this is wrong for PPC_PE! */
3020 if (bfd_little_endian (abfd))
3021 internal_f.f_flags |= F_AR32WR;
3022 else
3023 internal_f.f_flags |= F_AR32W;
3024
3025#ifdef TIC80_TARGET_ID
3026 internal_f.f_target_id = TIC80_TARGET_ID;
3027#endif
3028
3029 /*
3030 FIXME, should do something about the other byte orders and
3031 architectures.
3032 */
3033
3034#ifdef RS6000COFF_C
3035 if ((abfd->flags & DYNAMIC) != 0)
3036 internal_f.f_flags |= F_SHROBJ;
3037 if (bfd_get_section_by_name (abfd, _LOADER) != NULL)
3038 internal_f.f_flags |= F_DYNLOAD;
3039#endif
3040
3041 memset (&internal_a, 0, sizeof internal_a);
3042
3043 /* Set up architecture-dependent stuff */
3044
3045 {
3046 unsigned int magic = 0;
3047 unsigned short flags = 0;
3048 coff_set_flags (abfd, &magic, &flags);
3049 internal_f.f_magic = magic;
3050 internal_f.f_flags |= flags;
3051 /* ...and the "opt"hdr... */
3052
3053#ifdef A29K
3054#ifdef ULTRA3 /* NYU's machine */
3055 /* FIXME: This is a bogus check. I really want to see if there
3056 * is a .shbss or a .shdata section, if so then set the magic
3057 * number to indicate a shared data executable.
3058 */
3059 if (internal_f.f_nscns >= 7)
3060 internal_a.magic = SHMAGIC; /* Shared magic */
3061 else
3062#endif /* ULTRA3 */
3063 internal_a.magic = NMAGIC; /* Assume separate i/d */
3064#define __A_MAGIC_SET__
3065#endif /* A29K */
3066#ifdef TIC80COFF
3067 internal_a.magic = TIC80_ARCH_MAGIC;
3068#define __A_MAGIC_SET__
3069#endif /* TIC80 */
3070#ifdef I860
3071 /* FIXME: What are the a.out magic numbers for the i860? */
3072 internal_a.magic = 0;
3073#define __A_MAGIC_SET__
3074#endif /* I860 */
3075#ifdef I960
3076 internal_a.magic = (magic == I960ROMAGIC ? NMAGIC : OMAGIC);
3077#define __A_MAGIC_SET__
3078#endif /* I960 */
3079#if M88
3080#define __A_MAGIC_SET__
3081 internal_a.magic = PAGEMAGICBCS;
3082#endif /* M88 */
3083
3084#if APOLLO_M68
3085#define __A_MAGIC_SET__
3086 internal_a.magic = APOLLO_COFF_VERSION_NUMBER;
3087#endif
3088
3089#if defined(M68) || defined(WE32K) || defined(M68K)
3090#define __A_MAGIC_SET__
3091#if defined(LYNXOS)
3092 internal_a.magic = LYNXCOFFMAGIC;
3093#else
3094#if defined(TARG_AUX)
3095 internal_a.magic = (abfd->flags & D_PAGED ? PAGEMAGICPEXECPAGED :
3096 abfd->flags & WP_TEXT ? PAGEMAGICPEXECSWAPPED :
3097 PAGEMAGICEXECSWAPPED);
3098#else
3099#if defined (PAGEMAGICPEXECPAGED)
3100 internal_a.magic = PAGEMAGICPEXECPAGED;
3101#endif
3102#endif /* TARG_AUX */
3103#endif /* LYNXOS */
3104#endif /* M68 || WE32K || M68K */
3105
3106#if defined(ARM)
3107#define __A_MAGIC_SET__
3108 internal_a.magic = ZMAGIC;
3109#endif
3110
3111#if defined(PPC_PE)
3112#define __A_MAGIC_SET__
3113 internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
3114#endif
3115
3116#if defined MCORE_PE
3117#define __A_MAGIC_SET__
3118 internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
3119#endif
3120
3121#if defined(I386)
3122#define __A_MAGIC_SET__
3123#if defined(LYNXOS)
3124 internal_a.magic = LYNXCOFFMAGIC;
3125#else /* LYNXOS */
3126 internal_a.magic = ZMAGIC;
3127#endif /* LYNXOS */
3128#endif /* I386 */
3129
3130#if defined(SPARC)
3131#define __A_MAGIC_SET__
3132#if defined(LYNXOS)
3133 internal_a.magic = LYNXCOFFMAGIC;
3134#endif /* LYNXOS */
3135#endif /* SPARC */
3136
3137#ifdef RS6000COFF_C
3138#define __A_MAGIC_SET__
3139 internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC :
3140 (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC :
3141 RS6K_AOUTHDR_OMAGIC;
3142#endif
3143
3144#ifndef __A_MAGIC_SET__
3145#include "Your aouthdr magic number is not being set!"
3146#else
3147#undef __A_MAGIC_SET__
3148#endif
3149 }
3150
3151 /* FIXME: Does anybody ever set this to another value? */
3152 internal_a.vstamp = 0;
3153
3154 /* Now should write relocs, strings, syms */
3155 obj_sym_filepos (abfd) = sym_base;
3156
3157 if (bfd_get_symcount (abfd) != 0)
3158 {
3159 int firstundef;
3160#if 0
3161 if (!coff_add_missing_symbols (abfd))
3162 return false;
3163#endif
3164 if (!coff_renumber_symbols (abfd, &firstundef))
3165 return false;
3166 coff_mangle_symbols (abfd);
3167 if (! coff_write_symbols (abfd))
3168 return false;
3169 if (! coff_write_linenumbers (abfd))
3170 return false;
3171 if (! coff_write_relocs (abfd, firstundef))
3172 return false;
3173 }
3174#ifdef COFF_LONG_SECTION_NAMES
3175 else if (long_section_names)
3176 {
3177 /* If we have long section names we have to write out the string
3178 table even if there are no symbols. */
3179 if (! coff_write_symbols (abfd))
3180 return false;
3181 }
3182#endif
3183#ifdef COFF_IMAGE_WITH_PE
3184#ifdef PPC_PE
3185 else if ((abfd->flags & EXEC_P) != 0)
3186 {
3187 bfd_byte b;
3188
3189 /* PowerPC PE appears to require that all executable files be
3190 rounded up to the page size. */
3191 b = 0;
3192 if (bfd_seek (abfd,
3193 BFD_ALIGN (sym_base, COFF_PAGE_SIZE) - 1,
3194 SEEK_SET) != 0
3195 || bfd_write (&b, 1, 1, abfd) != 1)
3196 return false;
3197 }
3198#endif
3199#endif
3200
3201 /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF
3202 backend linker, and obj_raw_syment_count is not valid until after
3203 coff_write_symbols is called. */
3204 if (obj_raw_syment_count (abfd) != 0)
3205 {
3206 internal_f.f_symptr = sym_base;
3207#ifdef RS6000COFF_C
3208 /* AIX appears to require that F_RELFLG not be set if there are
3209 local symbols but no relocations. */
3210 internal_f.f_flags &=~ F_RELFLG;
3211#endif
3212 }
3213 else
3214 {
3215 if (long_section_names)
3216 internal_f.f_symptr = sym_base;
3217 else
3218 internal_f.f_symptr = 0;
3219 internal_f.f_flags |= F_LSYMS;
3220 }
3221
3222 if (text_sec)
3223 {
3224 internal_a.tsize = bfd_get_section_size_before_reloc (text_sec);
3225 internal_a.text_start = internal_a.tsize ? text_sec->vma : 0;
3226 }
3227 if (data_sec)
3228 {
3229 internal_a.dsize = bfd_get_section_size_before_reloc (data_sec);
3230 internal_a.data_start = internal_a.dsize ? data_sec->vma : 0;
3231 }
3232 if (bss_sec)
3233 {
3234 internal_a.bsize = bfd_get_section_size_before_reloc (bss_sec);
3235 if (internal_a.bsize && bss_sec->vma < internal_a.data_start)
3236 internal_a.data_start = bss_sec->vma;
3237 }
3238
3239 internal_a.entry = bfd_get_start_address (abfd);
3240 internal_f.f_nsyms = obj_raw_syment_count (abfd);
3241
3242#ifdef RS6000COFF_C
3243 if (xcoff_data (abfd)->full_aouthdr)
3244 {
3245 bfd_vma toc;
3246 asection *loader_sec;
3247
3248 internal_a.vstamp = 1;
3249
3250 internal_a.o_snentry = xcoff_data (abfd)->snentry;
3251 if (internal_a.o_snentry == 0)
3252 internal_a.entry = (bfd_vma) -1;
3253
3254 if (text_sec != NULL)
3255 {
3256 internal_a.o_sntext = text_sec->target_index;
3257 internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec);
3258 }
3259 else
3260 {
3261 internal_a.o_sntext = 0;
3262 internal_a.o_algntext = 0;
3263 }
3264 if (data_sec != NULL)
3265 {
3266 internal_a.o_sndata = data_sec->target_index;
3267 internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec);
3268 }
3269 else
3270 {
3271 internal_a.o_sndata = 0;
3272 internal_a.o_algndata = 0;
3273 }
3274 loader_sec = bfd_get_section_by_name (abfd, ".loader");
3275 if (loader_sec != NULL)
3276 internal_a.o_snloader = loader_sec->target_index;
3277 else
3278 internal_a.o_snloader = 0;
3279 if (bss_sec != NULL)
3280 internal_a.o_snbss = bss_sec->target_index;
3281 else
3282 internal_a.o_snbss = 0;
3283
3284 toc = xcoff_data (abfd)->toc;
3285 internal_a.o_toc = toc;
3286 internal_a.o_sntoc = xcoff_data (abfd)->sntoc;
3287
3288 internal_a.o_modtype = xcoff_data (abfd)->modtype;
3289 if (xcoff_data (abfd)->cputype != -1)
3290 internal_a.o_cputype = xcoff_data (abfd)->cputype;
3291 else
3292 {
3293 switch (bfd_get_arch (abfd))
3294 {
3295 case bfd_arch_rs6000:
3296 internal_a.o_cputype = 4;
3297 break;
3298 case bfd_arch_powerpc:
3299 if (bfd_get_mach (abfd) == 0)
3300 internal_a.o_cputype = 3;
3301 else
3302 internal_a.o_cputype = 1;
3303 break;
3304 default:
3305 abort ();
3306 }
3307 }
3308 internal_a.o_maxstack = xcoff_data (abfd)->maxstack;
3309 internal_a.o_maxdata = xcoff_data (abfd)->maxdata;
3310 }
3311#endif
3312
3313 /* now write them */
3314 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
3315 return false;
3316 {
3317 char buff[FILHSZ];
3318 coff_swap_filehdr_out (abfd, (PTR) & internal_f, (PTR) buff);
3319 if (bfd_write ((PTR) buff, 1, FILHSZ, abfd) != FILHSZ)
3320 return false;
3321 }
3322 if (abfd->flags & EXEC_P)
3323 {
3324 /* Note that peicode.h fills in a PEAOUTHDR, not an AOUTHDR.
3325 include/coff/pe.h sets AOUTSZ == sizeof(PEAOUTHDR)) */
3326 char buff[AOUTSZ];
3327 coff_swap_aouthdr_out (abfd, (PTR) & internal_a, (PTR) buff);
3328 if (bfd_write ((PTR) buff, 1, AOUTSZ, abfd) != AOUTSZ)
3329 return false;
3330 }
3331#ifdef RS6000COFF_C
3332 else
3333 {
3334 AOUTHDR buff;
3335 size_t size;
3336
3337 /* XCOFF seems to always write at least a small a.out header. */
3338 coff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) &buff);
3339 if (xcoff_data (abfd)->full_aouthdr)
3340 size = AOUTSZ;
3341 else
3342 size = SMALL_AOUTSZ;
3343 if (bfd_write ((PTR) &buff, 1, size, abfd) != size)
3344 return false;
3345 }
3346#endif
3347
3348 return true;
3349}
3350
3351static boolean
3352coff_set_section_contents (abfd, section, location, offset, count)
3353 bfd * abfd;
3354 sec_ptr section;
3355 PTR location;
3356 file_ptr offset;
3357 bfd_size_type count;
3358{
3359 if (abfd->output_has_begun == false) /* set by bfd.c handler */
3360 {
3361 if (! coff_compute_section_file_positions (abfd))
3362 return false;
3363 }
3364
3365#if defined(_LIB) && !defined(TARG_AUX)
3366
3367 /* The physical address field of a .lib section is used to hold the
3368 number of shared libraries in the section. This code counts the
3369 number of sections being written, and increments the lma field
3370 with the number.
3371
3372 I have found no documentation on the contents of this section.
3373 Experimentation indicates that the section contains zero or more
3374 records, each of which has the following structure:
3375
3376 - a (four byte) word holding the length of this record, in words,
3377 - a word that always seems to be set to "2",
3378 - the path to a shared library, null-terminated and then padded
3379 to a whole word boundary.
3380
3381 bfd_assert calls have been added to alert if an attempt is made
3382 to write a section which doesn't follow these assumptions. The
3383 code has been tested on ISC 4.1 by me, and on SCO by Robert Lipe
3384 <robertl@arnet.com> (Thanks!).
3385
3386 Gvran Uddeborg <gvran@uddeborg.pp.se> */
3387
3388 if (strcmp (section->name, _LIB) == 0)
3389 {
3390 bfd_byte *rec, *recend;
3391
3392 rec = (bfd_byte *) location;
3393 recend = rec + count;
3394 while (rec < recend)
3395 {
3396 ++section->lma;
3397 rec += bfd_get_32 (abfd, rec) * 4;
3398 }
3399
3400 BFD_ASSERT (rec == recend);
3401 }
3402
3403#endif
3404
3405 /* Don't write out bss sections - one way to do this is to
3406 see if the filepos has not been set. */
3407 if (section->filepos == 0)
3408 return true;
3409
3410 if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0)
3411 return false;
3412
3413 if (count != 0)
3414 {
3415 return (bfd_write (location, 1, count, abfd) == count) ? true : false;
3416 }
3417 return true;
3418}
3419#if 0
3420static boolean
3421coff_close_and_cleanup (abfd)
3422 bfd *abfd;
3423{
3424 if (!bfd_read_p (abfd))
3425 switch (abfd->format)
3426 {
3427 case bfd_archive:
3428 if (!_bfd_write_archive_contents (abfd))
3429 return false;
3430 break;
3431 case bfd_object:
3432 if (!coff_write_object_contents (abfd))
3433 return false;
3434 break;
3435 default:
3436 bfd_set_error (bfd_error_invalid_operation);
3437 return false;
3438 }
3439
3440 /* We depend on bfd_close to free all the memory on the objalloc. */
3441 return true;
3442}
3443
3444#endif
3445
3446static PTR
3447buy_and_read (abfd, where, seek_direction, size)
3448 bfd *abfd;
3449 file_ptr where;
3450 int seek_direction;
3451 size_t size;
3452{
3453 PTR area = (PTR) bfd_alloc (abfd, size);
3454 if (!area)
3455 return (NULL);
3456 if (bfd_seek (abfd, where, seek_direction) != 0
3457 || bfd_read (area, 1, size, abfd) != size)
3458 return (NULL);
3459 return (area);
3460} /* buy_and_read() */
3461
3462/*
3463SUBSUBSECTION
3464 Reading linenumbers
3465
3466 Creating the linenumber table is done by reading in the entire
3467 coff linenumber table, and creating another table for internal use.
3468
3469 A coff linenumber table is structured so that each function
3470 is marked as having a line number of 0. Each line within the
3471 function is an offset from the first line in the function. The
3472 base of the line number information for the table is stored in
3473 the symbol associated with the function.
3474
3475 The information is copied from the external to the internal
3476 table, and each symbol which marks a function is marked by
3477 pointing its...
3478
3479 How does this work ?
3480
3481*/
3482
3483static boolean
3484coff_slurp_line_table (abfd, asect)
3485 bfd *abfd;
3486 asection *asect;
3487{
3488 LINENO *native_lineno;
3489 alent *lineno_cache;
3490
3491 BFD_ASSERT (asect->lineno == (alent *) NULL);
3492
3493 native_lineno = (LINENO *) buy_and_read (abfd,
3494 asect->line_filepos,
3495 SEEK_SET,
3496 (size_t) (LINESZ *
3497 asect->lineno_count));
3498 lineno_cache =
3499 (alent *) bfd_alloc (abfd, (size_t) ((asect->lineno_count + 1) * sizeof (alent)));
3500 if (lineno_cache == NULL)
3501 return false;
3502 else
3503 {
3504 unsigned int counter = 0;
3505 alent *cache_ptr = lineno_cache;
3506 LINENO *src = native_lineno;
3507
3508 while (counter < asect->lineno_count)
3509 {
3510 struct internal_lineno dst;
3511 coff_swap_lineno_in (abfd, src, &dst);
3512 cache_ptr->line_number = dst.l_lnno;
3513
3514 if (cache_ptr->line_number == 0)
3515 {
3516 boolean warned;
3517 long symndx;
3518 coff_symbol_type *sym;
3519
3520 warned = false;
3521 symndx = dst.l_addr.l_symndx;
3522 if (symndx < 0
3523 || (unsigned long) symndx >= obj_raw_syment_count (abfd))
3524 {
3525 (*_bfd_error_handler)
3526 (_("%s: warning: illegal symbol index %ld in line numbers"),
3527 bfd_get_filename (abfd), dst.l_addr.l_symndx);
3528 symndx = 0;
3529 warned = true;
3530 }
3531 /* FIXME: We should not be casting between ints and
3532 pointers like this. */
3533 sym = ((coff_symbol_type *)
3534 ((symndx + obj_raw_syments (abfd))
3535 ->u.syment._n._n_n._n_zeroes));
3536 cache_ptr->u.sym = (asymbol *) sym;
3537 if (sym->lineno != NULL && ! warned)
3538 {
3539 (*_bfd_error_handler)
3540 (_("%s: warning: duplicate line number information for `%s'"),
3541 bfd_get_filename (abfd),
3542 bfd_asymbol_name (&sym->symbol));
3543 }
3544 sym->lineno = cache_ptr;
3545 }
3546 else
3547 {
3548 cache_ptr->u.offset = dst.l_addr.l_paddr
3549 - bfd_section_vma (abfd, asect);
3550 } /* If no linenumber expect a symbol index */
3551
3552 cache_ptr++;
3553 src++;
3554 counter++;
3555 }
3556 cache_ptr->line_number = 0;
3557
3558 }
3559 asect->lineno = lineno_cache;
3560 /* FIXME, free native_lineno here, or use alloca or something. */
3561 return true;
3562}
3563
3564static boolean
3565coff_slurp_symbol_table (abfd)
3566 bfd * abfd;
3567{
3568 combined_entry_type *native_symbols;
3569 coff_symbol_type *cached_area;
3570 unsigned int *table_ptr;
3571
3572 unsigned int number_of_symbols = 0;
3573
3574 if (obj_symbols (abfd))
3575 return true;
3576
3577 /* Read in the symbol table */
3578 if ((native_symbols = coff_get_normalized_symtab (abfd)) == NULL)
3579 {
3580 return (false);
3581 } /* on error */
3582
3583 /* Allocate enough room for all the symbols in cached form */
3584 cached_area = ((coff_symbol_type *)
3585 bfd_alloc (abfd,
3586 (obj_raw_syment_count (abfd)
3587 * sizeof (coff_symbol_type))));
3588
3589 if (cached_area == NULL)
3590 return false;
3591 table_ptr = ((unsigned int *)
3592 bfd_alloc (abfd,
3593 (obj_raw_syment_count (abfd)
3594 * sizeof (unsigned int))));
3595
3596 if (table_ptr == NULL)
3597 return false;
3598 else
3599 {
3600 coff_symbol_type *dst = cached_area;
3601 unsigned int last_native_index = obj_raw_syment_count (abfd);
3602 unsigned int this_index = 0;
3603 while (this_index < last_native_index)
3604 {
3605 combined_entry_type *src = native_symbols + this_index;
3606 table_ptr[this_index] = number_of_symbols;
3607 dst->symbol.the_bfd = abfd;
3608
3609 dst->symbol.name = (char *) (src->u.syment._n._n_n._n_offset);
3610 /* We use the native name field to point to the cached field. */
3611 src->u.syment._n._n_n._n_zeroes = (long) dst;
3612 dst->symbol.section = coff_section_from_bfd_index (abfd,
3613 src->u.syment.n_scnum);
3614 dst->symbol.flags = 0;
3615 dst->done_lineno = false;
3616
3617 switch (src->u.syment.n_sclass)
3618 {
3619#ifdef I960
3620 case C_LEAFEXT:
3621#if 0
3622 dst->symbol.value = src->u.syment.n_value - dst->symbol.section->vma;
3623 dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL;
3624 dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
3625#endif
3626 /* Fall through to next case */
3627
3628#endif
3629
3630 case C_EXT:
3631 case C_WEAKEXT:
3632#if defined ARM
3633 case C_THUMBEXT:
3634 case C_THUMBEXTFUNC:
3635#endif
3636#ifdef RS6000COFF_C
3637 case C_HIDEXT:
3638#endif
3639#ifdef C_SYSTEM
3640 case C_SYSTEM: /* System Wide variable */
3641#endif
3642#ifdef COFF_WITH_PE
5d54c628 3643 /* In PE, 0x68 (104) denotes a section symbol */
252b5132 3644 case C_SECTION:
5d54c628 3645 /* In PE, 0x69 (105) denotes a weak external symbol. */
252b5132
RH		 3646 case C_NT_WEAK:
3647#endif
5d54c628 3648 switch (coff_classify_symbol (abfd, &src->u.syment))
252b5132 3649 {
5d54c628 3650 case COFF_SYMBOL_GLOBAL:
252b5132 3651 dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL;
252b5132
RH		 3652#if defined COFF_WITH_PE
3653 /* PE sets the symbol to a value relative to the
3654 start of the section. */
3655 dst->symbol.value = src->u.syment.n_value;
3656#else
3657 dst->symbol.value = (src->u.syment.n_value
3658 - dst->symbol.section->vma);
3659#endif
252b5132
RH		 3660 if (ISFCN ((src->u.syment.n_type)))
3661 {
3662 /* A function ext does not go at the end of a
3663 file. */
3664 dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
3665 }
5d54c628
ILT		 3666 break;
3667
3668 case COFF_SYMBOL_COMMON:
3669 dst->symbol.section = bfd_com_section_ptr;
3670 dst->symbol.value = src->u.syment.n_value;
3671 break;
3672
3673 case COFF_SYMBOL_UNDEFINED:
3674 dst->symbol.section = bfd_und_section_ptr;
3675 dst->symbol.value = 0;
3676 break;
3677
3678 case COFF_SYMBOL_PE_SECTION:
3679 dst->symbol.flags |= BSF_EXPORT | BSF_SECTION_SYM;
3680 dst->symbol.value = 0;
3681 break;
3682
3683 case COFF_SYMBOL_LOCAL:
3684 dst->symbol.flags = BSF_LOCAL;
3685#if defined COFF_WITH_PE
3686 /* PE sets the symbol to a value relative to the
3687 start of the section. */
3688 dst->symbol.value = src->u.syment.n_value;
3689#else
3690 dst->symbol.value = (src->u.syment.n_value
3691 - dst->symbol.section->vma);
3692#endif
3693 if (ISFCN ((src->u.syment.n_type)))
3694 dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
3695 break;
252b5132
RH		 3696 }
3697
3698#ifdef RS6000COFF_C
252b5132
RH		 3699 /* A symbol with a csect entry should not go at the end. */
3700 if (src->u.syment.n_numaux > 0)
3701 dst->symbol.flags |= BSF_NOT_AT_END;
3702#endif
3703
3704#ifdef COFF_WITH_PE
3705 if (src->u.syment.n_sclass == C_NT_WEAK)
3706 dst->symbol.flags = BSF_WEAK;
ec0ef80e
DD		 3707 if (src->u.syment.n_sclass == C_SECTION
3708 && src->u.syment.n_scnum > 0)
3709 {
3710 dst->symbol.flags = BSF_LOCAL;
3711 }
252b5132
RH		 3712#endif
3713
3714 if (src->u.syment.n_sclass == C_WEAKEXT)
3715 dst->symbol.flags = BSF_WEAK;
3716
3717 break;
3718
3719 case C_STAT: /* static */
3720#ifdef I960
3721 case C_LEAFSTAT: /* static leaf procedure */
3722#endif
3723#if defined ARM
3724 case C_THUMBSTAT: /* Thumb static */
3725 case C_THUMBLABEL: /* Thumb label */
3726 case C_THUMBSTATFUNC:/* Thumb static function */
3727#endif
3728 case C_LABEL: /* label */
3729 if (src->u.syment.n_scnum == -2)
3730 dst->symbol.flags = BSF_DEBUGGING;
3731 else
3732 dst->symbol.flags = BSF_LOCAL;
3733
3734 /* Base the value as an index from the base of the
3735 section, if there is one. */
3736 if (dst->symbol.section)
3737 {
3738#if defined COFF_WITH_PE
3739 /* PE sets the symbol to a value relative to the
3740 start of the section. */
3741 dst->symbol.value = src->u.syment.n_value;
3742#else
3743 dst->symbol.value = (src->u.syment.n_value
3744 - dst->symbol.section->vma);
3745#endif
3746 }
3747 else
3748 dst->symbol.value = src->u.syment.n_value;
3749 break;
3750
3751 case C_MOS: /* member of structure */
3752 case C_EOS: /* end of structure */
3753#ifdef NOTDEF /* C_AUTOARG has the same value */
3754#ifdef C_GLBLREG
3755 case C_GLBLREG: /* A29k-specific storage class */
3756#endif
3757#endif
3758 case C_REGPARM: /* register parameter */
3759 case C_REG: /* register variable */
3760#ifndef TIC80COFF
3761#ifdef C_AUTOARG
3762 case C_AUTOARG: /* 960-specific storage class */
3763#endif
3764#endif
3765 case C_TPDEF: /* type definition */
3766 case C_ARG:
3767 case C_AUTO: /* automatic variable */
3768 case C_FIELD: /* bit field */
3769 case C_ENTAG: /* enumeration tag */
3770 case C_MOE: /* member of enumeration */
3771 case C_MOU: /* member of union */
3772 case C_UNTAG: /* union tag */
3773 dst->symbol.flags = BSF_DEBUGGING;
3774 dst->symbol.value = (src->u.syment.n_value);
3775 break;
3776
3777 case C_FILE: /* file name */
3778 case C_STRTAG: /* structure tag */
3779#ifdef RS6000COFF_C
3780 case C_GSYM:
3781 case C_LSYM:
3782 case C_PSYM:
3783 case C_RSYM:
3784 case C_RPSYM:
3785 case C_STSYM:
3786 case C_BCOMM:
3787 case C_ECOMM:
3788 case C_DECL:
3789 case C_ENTRY:
3790 case C_FUN:
3791 case C_ESTAT:
3792#endif
3793 dst->symbol.flags = BSF_DEBUGGING;
3794 dst->symbol.value = (src->u.syment.n_value);
3795 break;
3796
3797#ifdef RS6000COFF_C
3798 case C_BINCL: /* beginning of include file */
3799 case C_EINCL: /* ending of include file */
3800 /* The value is actually a pointer into the line numbers
3801 of the file. We locate the line number entry, and
3802 set the section to the section which contains it, and
3803 the value to the index in that section. */
3804 {
3805 asection *sec;
3806
3807 dst->symbol.flags = BSF_DEBUGGING;
3808 for (sec = abfd->sections; sec != NULL; sec = sec->next)
3809 if (sec->line_filepos <= (file_ptr) src->u.syment.n_value
3810 && ((file_ptr) (sec->line_filepos
3811 + sec->lineno_count * LINESZ)
3812 > (file_ptr) src->u.syment.n_value))
3813 break;
3814 if (sec == NULL)
3815 dst->symbol.value = 0;
3816 else
3817 {
3818 dst->symbol.section = sec;
3819 dst->symbol.value = ((src->u.syment.n_value
3820 - sec->line_filepos)
3821 / LINESZ);
3822 src->fix_line = 1;
3823 }
3824 }
3825 break;
3826
3827 case C_BSTAT:
3828 dst->symbol.flags = BSF_DEBUGGING;
3829
3830 /* The value is actually a symbol index. Save a pointer
3831 to the symbol instead of the index. FIXME: This
3832 should use a union. */
3833 src->u.syment.n_value =
3834 (long) (native_symbols + src->u.syment.n_value);
3835 dst->symbol.value = src->u.syment.n_value;
3836 src->fix_value = 1;
3837 break;
3838#endif
3839
3840 case C_BLOCK: /* ".bb" or ".eb" */
3841 case C_FCN: /* ".bf" or ".ef" */
3842 case C_EFCN: /* physical end of function */
3843 dst->symbol.flags = BSF_LOCAL;
3844#if defined COFF_WITH_PE
3845 /* PE sets the symbol to a value relative to the start
3846 of the section. */
3847 dst->symbol.value = src->u.syment.n_value;
3848#else
3849 /* Base the value as an index from the base of the
3850 section. */
3851 dst->symbol.value = (src->u.syment.n_value
3852 - dst->symbol.section->vma);
3853#endif
3854 break;
3855
3856 case C_NULL:
3857 case C_EXTDEF: /* external definition */
3858 case C_ULABEL: /* undefined label */
3859 case C_USTATIC: /* undefined static */
3860#ifndef COFF_WITH_PE
3861 /* C_LINE in regular coff is 0x68. NT has taken over this storage
3862 class to represent a section symbol */
3863 case C_LINE: /* line # reformatted as symbol table entry */
3864 /* NT uses 0x67 for a weak symbol, not C_ALIAS. */
3865 case C_ALIAS: /* duplicate tag */
3866#endif
3867 /* New storage classes for TIc80 */
3868#ifdef TIC80COFF
3869 case C_UEXT: /* Tentative external definition */
3870#endif
3871 case C_STATLAB: /* Static load time label */
3872 case C_EXTLAB: /* External load time label */
3873 case C_HIDDEN: /* ext symbol in dmert public lib */
3874 default:
3875 (*_bfd_error_handler)
3876 (_("%s: Unrecognized storage class %d for %s symbol `%s'"),
3877 bfd_get_filename (abfd), src->u.syment.n_sclass,
3878 dst->symbol.section->name, dst->symbol.name);
3879 dst->symbol.flags = BSF_DEBUGGING;
3880 dst->symbol.value = (src->u.syment.n_value);
3881 break;
3882 }
3883
3884/* BFD_ASSERT(dst->symbol.flags != 0);*/
3885
3886 dst->native = src;
3887
3888 dst->symbol.udata.i = 0;
3889 dst->lineno = (alent *) NULL;
3890 this_index += (src->u.syment.n_numaux) + 1;
3891 dst++;
3892 number_of_symbols++;
3893 } /* walk the native symtab */
3894 } /* bfdize the native symtab */
3895
3896 obj_symbols (abfd) = cached_area;
3897 obj_raw_syments (abfd) = native_symbols;
3898
3899 bfd_get_symcount (abfd) = number_of_symbols;
3900 obj_convert (abfd) = table_ptr;
3901 /* Slurp the line tables for each section too */
3902 {
3903 asection *p;
3904 p = abfd->sections;
3905 while (p)
3906 {
3907 coff_slurp_line_table (abfd, p);
3908 p = p->next;
3909 }
3910 }
3911 return true;
3912} /* coff_slurp_symbol_table() */
3913
5d54c628
ILT		 3914/* Classify a COFF symbol. A couple of targets have globally visible
3915 symbols which are not class C_EXT, and this handles those. It also
3916 recognizes some special PE cases. */
252b5132 3917
5d54c628
ILT		 3918static enum coff_symbol_classification
3919coff_classify_symbol (abfd, syment)
3920 bfd *abfd;
3921 struct internal_syment *syment;
3922{
3923 /* FIXME: This partially duplicates the switch in
3924 coff_slurp_symbol_table. */
3925 switch (syment->n_sclass)
3926 {
3927 case C_EXT:
3928 case C_WEAKEXT:
252b5132 3929#ifdef I960
5d54c628 3930 case C_LEAFEXT:
252b5132 3931#endif
5d54c628
ILT		 3932#ifdef ARM
3933 case C_THUMBEXT:
3934 case C_THUMBEXTFUNC:
252b5132 3935#endif
5d54c628
ILT		 3936#ifdef C_SYSTEM
3937 case C_SYSTEM:
252b5132 3938#endif
5d54c628
ILT		 3939#ifdef COFF_WITH_PE
3940 case C_NT_WEAK:
3941#endif
3942 if (syment->n_scnum == 0)
3943 {
3944 if (syment->n_value == 0)
3945 return COFF_SYMBOL_UNDEFINED;
3946 else
3947 return COFF_SYMBOL_COMMON;
3948 }
3949 return COFF_SYMBOL_GLOBAL;
3950
3951 default:
3952 break;
3953 }
252b5132 3954
5d54c628
ILT		 3955#ifdef COFF_WITH_PE
3956 if (syment->n_sclass == C_STAT)
3957 {
3958 if (syment->n_scnum == 0)
3959 {
3960 /* The Microsoft compiler sometimes generates these if a
3961 small static function is inlined every time it is used.
3962 The function is discarded, but the symbol table entry
3963 remains. */
3964 return COFF_SYMBOL_LOCAL;
3965 }
252b5132 3966
bd826630
ILT		 3967#if 0
3968 /* This is correct for Microsoft generated objects, but it
3969 breaks gas generated objects. */
3970
5d54c628
ILT		 3971 if (syment->n_value == 0)
3972 {
3973 asection *sec;
3974 char buf[SYMNMLEN + 1];
3975
3976 sec = coff_section_from_bfd_index (abfd, syment->n_scnum);
3977 if (sec != NULL
3978 && (strcmp (bfd_get_section_name (abfd, sec),
3979 _bfd_coff_internal_syment_name (abfd, syment, buf))
3980 == 0))
3981 return COFF_SYMBOL_PE_SECTION;
3982 }
bd826630 3983#endif
252b5132 3984
5d54c628
ILT		 3985 return COFF_SYMBOL_LOCAL;
3986 }
252b5132 3987
5d54c628
ILT		 3988 if (syment->n_sclass == C_SECTION)
3989 {
3990 /* In some cases in a DLL generated by the Microsoft linker, the
3991 n_value field will contain garbage. FIXME: This should
3992 probably be handled by the swapping function instead. */
3993 syment->n_value = 0;
3994 if (syment->n_scnum == 0)
3995 return COFF_SYMBOL_UNDEFINED;
3996 return COFF_SYMBOL_PE_SECTION;
3997 }
3998#endif /* COFF_WITH_PE */
252b5132 3999
5d54c628 4000 /* If it is not a global symbol, we presume it is a local symbol. */
252b5132 4001
5d54c628
ILT		 4002 if (syment->n_scnum == 0)
4003 {
4004 char buf[SYMNMLEN + 1];
252b5132 4005
5d54c628
ILT		 4006 (*_bfd_error_handler)
4007 (_("warning: %s: local symbol `%s' has no section"),
4008 bfd_get_filename (abfd),
4009 _bfd_coff_internal_syment_name (abfd, syment, buf));
4010 }
252b5132 4011
5d54c628
ILT		 4012 return COFF_SYMBOL_LOCAL;
4013}
252b5132
RH		 4014
4015/*
4016SUBSUBSECTION
4017 Reading relocations
4018
4019 Coff relocations are easily transformed into the internal BFD form
4020 (@code{arelent}).
4021
4022 Reading a coff relocation table is done in the following stages:
4023
4024 o Read the entire coff relocation table into memory.
4025
4026 o Process each relocation in turn; first swap it from the
4027 external to the internal form.
4028
4029 o Turn the symbol referenced in the relocation's symbol index
4030 into a pointer into the canonical symbol table.
4031 This table is the same as the one returned by a call to
4032 @code{bfd_canonicalize_symtab}. The back end will call that
4033 routine and save the result if a canonicalization hasn't been done.
4034
4035 o The reloc index is turned into a pointer to a howto
4036 structure, in a back end specific way. For instance, the 386
4037 and 960 use the @code{r_type} to directly produce an index
4038 into a howto table vector; the 88k subtracts a number from the
4039 @code{r_type} field and creates an addend field.
4040
4041
4042*/
4043
4044#ifndef CALC_ADDEND
4045#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
4046 { \
4047 coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \
4048 if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
4049 coffsym = (obj_symbols (abfd) \
4050 + (cache_ptr->sym_ptr_ptr - symbols)); \
4051 else if (ptr) \
4052 coffsym = coff_symbol_from (abfd, ptr); \
4053 if (coffsym != (coff_symbol_type *) NULL \
4054 && coffsym->native->u.syment.n_scnum == 0) \
4055 cache_ptr->addend = 0; \
4056 else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
4057 && ptr->section != (asection *) NULL) \
4058 cache_ptr->addend = - (ptr->section->vma + ptr->value); \
4059 else \
4060 cache_ptr->addend = 0; \
4061 }
4062#endif
4063
4064static boolean
4065coff_slurp_reloc_table (abfd, asect, symbols)
4066 bfd * abfd;
4067 sec_ptr asect;
4068 asymbol ** symbols;
4069{
4070 RELOC *native_relocs;
4071 arelent *reloc_cache;
4072 arelent *cache_ptr;
4073
4074 unsigned int idx;
4075
4076 if (asect->relocation)
4077 return true;
4078 if (asect->reloc_count == 0)
4079 return true;
4080 if (asect->flags & SEC_CONSTRUCTOR)
4081 return true;
4082 if (!coff_slurp_symbol_table (abfd))
4083 return false;
4084 native_relocs =
4085 (RELOC *) buy_and_read (abfd,
4086 asect->rel_filepos,
4087 SEEK_SET,
4088 (size_t) (RELSZ *
4089 asect->reloc_count));
4090 reloc_cache = (arelent *)
4091 bfd_alloc (abfd, (size_t) (asect->reloc_count * sizeof (arelent)));
4092
4093 if (reloc_cache == NULL)
4094 return false;
4095
4096
4097 for (idx = 0; idx < asect->reloc_count; idx++)
4098 {
4099 struct internal_reloc dst;
4100 struct external_reloc *src;
4101#ifndef RELOC_PROCESSING
4102 asymbol *ptr;
4103#endif
4104
4105 cache_ptr = reloc_cache + idx;
4106 src = native_relocs + idx;
4107
4108 coff_swap_reloc_in (abfd, src, &dst);
4109
4110#ifdef RELOC_PROCESSING
4111 RELOC_PROCESSING (cache_ptr, &dst, symbols, abfd, asect);
4112#else
4113 cache_ptr->address = dst.r_vaddr;
4114
4115 if (dst.r_symndx != -1)
4116 {
4117 if (dst.r_symndx < 0 || dst.r_symndx >= obj_conv_table_size (abfd))
4118 {
4119 (*_bfd_error_handler)
4120 (_("%s: warning: illegal symbol index %ld in relocs"),
4121 bfd_get_filename (abfd), dst.r_symndx);
4122 cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
4123 ptr = NULL;
4124 }
4125 else
4126 {
4127 cache_ptr->sym_ptr_ptr = (symbols
4128 + obj_convert (abfd)[dst.r_symndx]);
4129 ptr = *(cache_ptr->sym_ptr_ptr);
4130 }
4131 }
4132 else
4133 {
4134 cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
4135 ptr = NULL;
4136 }
4137
4138 /* The symbols definitions that we have read in have been
4139 relocated as if their sections started at 0. But the offsets
4140 refering to the symbols in the raw data have not been
4141 modified, so we have to have a negative addend to compensate.
4142
4143 Note that symbols which used to be common must be left alone */
4144
4145 /* Calculate any reloc addend by looking at the symbol */
4146 CALC_ADDEND (abfd, ptr, dst, cache_ptr);
4147
4148 cache_ptr->address -= asect->vma;
4149/* !! cache_ptr->section = (asection *) NULL;*/
4150
4151 /* Fill in the cache_ptr->howto field from dst.r_type */
4152 RTYPE2HOWTO (cache_ptr, &dst);
4153#endif /* RELOC_PROCESSING */
4154
4155 if (cache_ptr->howto == NULL)
4156 {
4157 (*_bfd_error_handler)
4158 (_("%s: illegal relocation type %d at address 0x%lx"),
4159 bfd_get_filename (abfd), dst.r_type, (long) dst.r_vaddr);
4160 bfd_set_error (bfd_error_bad_value);
4161 return false;
4162 }
4163 }
4164
4165 asect->relocation = reloc_cache;
4166 return true;
4167}
4168
4169#ifndef coff_rtype_to_howto
4170#ifdef RTYPE2HOWTO
4171
4172/* Get the howto structure for a reloc. This is only used if the file
4173 including this one defines coff_relocate_section to be
4174 _bfd_coff_generic_relocate_section, so it is OK if it does not
4175 always work. It is the responsibility of the including file to
4176 make sure it is reasonable if it is needed. */
4177
4178static reloc_howto_type *coff_rtype_to_howto
4179 PARAMS ((bfd *, asection *, struct internal_reloc *,
4180 struct coff_link_hash_entry *, struct internal_syment *,
4181 bfd_vma *));
4182
4183/*ARGSUSED*/
4184static reloc_howto_type *
4185coff_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
5f771d47
ILT		 4186 bfd *abfd ATTRIBUTE_UNUSED;
4187 asection *sec ATTRIBUTE_UNUSED;
252b5132 4188 struct internal_reloc *rel;
5f771d47
ILT		 4189 struct coff_link_hash_entry *h ATTRIBUTE_UNUSED;
4190 struct internal_syment *sym ATTRIBUTE_UNUSED;
4191 bfd_vma *addendp ATTRIBUTE_UNUSED;
252b5132
RH		 4192{
4193 arelent genrel;
4194
4195 RTYPE2HOWTO (&genrel, rel);
4196 return genrel.howto;
4197}
4198
4199#else /* ! defined (RTYPE2HOWTO) */
4200
4201#define coff_rtype_to_howto NULL
4202
4203#endif /* ! defined (RTYPE2HOWTO) */
4204#endif /* ! defined (coff_rtype_to_howto) */
4205
4206/* This is stupid. This function should be a boolean predicate. */
4207static long
4208coff_canonicalize_reloc (abfd, section, relptr, symbols)
4209 bfd * abfd;
4210 sec_ptr section;
4211 arelent ** relptr;
4212 asymbol ** symbols;
4213{
4214 arelent *tblptr = section->relocation;
4215 unsigned int count = 0;
4216
4217
4218 if (section->flags & SEC_CONSTRUCTOR)
4219 {
4220 /* this section has relocs made up by us, they are not in the
4221 file, so take them out of their chain and place them into
4222 the data area provided */
4223 arelent_chain *chain = section->constructor_chain;
4224 for (count = 0; count < section->reloc_count; count++)
4225 {
4226 *relptr++ = &chain->relent;
4227 chain = chain->next;
4228 }
4229
4230 }
4231 else
4232 {
4233 if (! coff_slurp_reloc_table (abfd, section, symbols))
4234 return -1;
4235
4236 tblptr = section->relocation;
4237
4238 for (; count++ < section->reloc_count;)
4239 *relptr++ = tblptr++;
4240
4241
4242 }
4243 *relptr = 0;
4244 return section->reloc_count;
4245}
4246
4247#ifdef GNU960
4248file_ptr
4249coff_sym_filepos (abfd)
4250 bfd *abfd;
4251{
4252 return obj_sym_filepos (abfd);
4253}
4254#endif
4255
4256#ifndef coff_reloc16_estimate
4257#define coff_reloc16_estimate dummy_reloc16_estimate
4258
4259static int dummy_reloc16_estimate
4260 PARAMS ((bfd *, asection *, arelent *, unsigned int,
4261 struct bfd_link_info *));
4262
4263static int
4264dummy_reloc16_estimate (abfd, input_section, reloc, shrink, link_info)
5f771d47
ILT		 4265 bfd *abfd ATTRIBUTE_UNUSED;
4266 asection *input_section ATTRIBUTE_UNUSED;
4267 arelent *reloc ATTRIBUTE_UNUSED;
4268 unsigned int shrink ATTRIBUTE_UNUSED;
4269 struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
252b5132
RH		 4270{
4271 abort ();
4272}
4273
4274#endif
4275
4276#ifndef coff_reloc16_extra_cases
4277
4278#define coff_reloc16_extra_cases dummy_reloc16_extra_cases
4279
4280/* This works even if abort is not declared in any header file. */
4281
4282static void dummy_reloc16_extra_cases
4283 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
4284 bfd_byte *, unsigned int *, unsigned int *));
4285
4286static void
4287dummy_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
4288 dst_ptr)
5f771d47
ILT		 4289 bfd *abfd ATTRIBUTE_UNUSED;
4290 struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
4291 struct bfd_link_order *link_order ATTRIBUTE_UNUSED;
4292 arelent *reloc ATTRIBUTE_UNUSED;
4293 bfd_byte *data ATTRIBUTE_UNUSED;
4294 unsigned int *src_ptr ATTRIBUTE_UNUSED;
4295 unsigned int *dst_ptr ATTRIBUTE_UNUSED;
252b5132
RH		 4296{
4297 abort ();
4298}
4299#endif
4300
4301/* If coff_relocate_section is defined, we can use the optimized COFF
4302 backend linker. Otherwise we must continue to use the old linker. */
4303#ifdef coff_relocate_section
4304#ifndef coff_bfd_link_hash_table_create
4305#define coff_bfd_link_hash_table_create _bfd_coff_link_hash_table_create
4306#endif
4307#ifndef coff_bfd_link_add_symbols
4308#define coff_bfd_link_add_symbols _bfd_coff_link_add_symbols
4309#endif
4310#ifndef coff_bfd_final_link
4311#define coff_bfd_final_link _bfd_coff_final_link
4312#endif
4313#else /* ! defined (coff_relocate_section) */
4314#define coff_relocate_section NULL
4315#ifndef coff_bfd_link_hash_table_create
4316#define coff_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
4317#endif
4318#ifndef coff_bfd_link_add_symbols
4319#define coff_bfd_link_add_symbols _bfd_generic_link_add_symbols
4320#endif
4321#define coff_bfd_final_link _bfd_generic_final_link
4322#endif /* ! defined (coff_relocate_section) */
4323
4324#define coff_bfd_link_split_section _bfd_generic_link_split_section
4325
4326#ifndef coff_start_final_link
4327#define coff_start_final_link NULL
4328#endif
4329
4330#ifndef coff_adjust_symndx
4331#define coff_adjust_symndx NULL
4332#endif
4333
4334#ifndef coff_link_add_one_symbol
4335#define coff_link_add_one_symbol _bfd_generic_link_add_one_symbol
4336#endif
4337
4338#ifndef coff_link_output_has_begun
4339
4340static boolean coff_link_output_has_begun
4341 PARAMS ((bfd *, struct coff_final_link_info *));
4342
4343static boolean
4344coff_link_output_has_begun (abfd, info)
4345 bfd * abfd;
5f771d47 4346 struct coff_final_link_info * info ATTRIBUTE_UNUSED;
252b5132
RH		 4347{
4348 return abfd->output_has_begun;
4349}
4350#endif
4351
4352#ifndef coff_final_link_postscript
4353
4354static boolean coff_final_link_postscript
4355 PARAMS ((bfd *, struct coff_final_link_info *));
4356
4357static boolean
4358coff_final_link_postscript (abfd, pfinfo)
5f771d47
ILT		 4359 bfd * abfd ATTRIBUTE_UNUSED;
4360 struct coff_final_link_info * pfinfo ATTRIBUTE_UNUSED;
252b5132
RH		 4361{
4362 return true;
4363}
4364#endif
4365
4366#ifndef coff_SWAP_aux_in
4367#define coff_SWAP_aux_in coff_swap_aux_in
4368#endif
4369#ifndef coff_SWAP_sym_in
4370#define coff_SWAP_sym_in coff_swap_sym_in
4371#endif
4372#ifndef coff_SWAP_lineno_in
4373#define coff_SWAP_lineno_in coff_swap_lineno_in
4374#endif
4375#ifndef coff_SWAP_aux_out
4376#define coff_SWAP_aux_out coff_swap_aux_out
4377#endif
4378#ifndef coff_SWAP_sym_out
4379#define coff_SWAP_sym_out coff_swap_sym_out
4380#endif
4381#ifndef coff_SWAP_lineno_out
4382#define coff_SWAP_lineno_out coff_swap_lineno_out
4383#endif
4384#ifndef coff_SWAP_reloc_out
4385#define coff_SWAP_reloc_out coff_swap_reloc_out
4386#endif
4387#ifndef coff_SWAP_filehdr_out
4388#define coff_SWAP_filehdr_out coff_swap_filehdr_out
4389#endif
4390#ifndef coff_SWAP_aouthdr_out
4391#define coff_SWAP_aouthdr_out coff_swap_aouthdr_out
4392#endif
4393#ifndef coff_SWAP_scnhdr_out
4394#define coff_SWAP_scnhdr_out coff_swap_scnhdr_out
4395#endif
4396#ifndef coff_SWAP_reloc_in
4397#define coff_SWAP_reloc_in coff_swap_reloc_in
4398#endif
4399#ifndef coff_SWAP_filehdr_in
4400#define coff_SWAP_filehdr_in coff_swap_filehdr_in
4401#endif
4402#ifndef coff_SWAP_aouthdr_in
4403#define coff_SWAP_aouthdr_in coff_swap_aouthdr_in
4404#endif
4405#ifndef coff_SWAP_scnhdr_in
4406#define coff_SWAP_scnhdr_in coff_swap_scnhdr_in
4407#endif
4408
4409
4410
4411static CONST bfd_coff_backend_data bfd_coff_std_swap_table =
4412{
4413 coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
4414 coff_SWAP_aux_out, coff_SWAP_sym_out,
4415 coff_SWAP_lineno_out, coff_SWAP_reloc_out,
4416 coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
4417 coff_SWAP_scnhdr_out,
4418 FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ,
4419#ifdef COFF_LONG_FILENAMES
4420 true,
4421#else
4422 false,
4423#endif
4424#ifdef COFF_LONG_SECTION_NAMES
4425 true,
4426#else
4427 false,
4428#endif
4429 COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
4430 coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
4431 coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
4432 coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
4433 coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
4434 coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
5d54c628 4435 coff_classify_symbol, coff_compute_section_file_positions,
252b5132
RH		 4436 coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
4437 coff_adjust_symndx, coff_link_add_one_symbol,
4438 coff_link_output_has_begun, coff_final_link_postscript
4439};
4440
4441#ifndef coff_close_and_cleanup
4442#define coff_close_and_cleanup _bfd_generic_close_and_cleanup
4443#endif
4444
4445#ifndef coff_bfd_free_cached_info
4446#define coff_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
4447#endif
4448
4449#ifndef coff_get_section_contents
4450#define coff_get_section_contents _bfd_generic_get_section_contents
4451#endif
4452
4453#ifndef coff_bfd_copy_private_symbol_data
4454#define coff_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
4455#endif
4456
4457#ifndef coff_bfd_copy_private_section_data
4458#define coff_bfd_copy_private_section_data _bfd_generic_bfd_copy_private_section_data
4459#endif
4460
4461#ifndef coff_bfd_copy_private_bfd_data
4462#define coff_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
4463#endif
4464
4465#ifndef coff_bfd_merge_private_bfd_data
4466#define coff_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
4467#endif
4468
4469#ifndef coff_bfd_set_private_flags
4470#define coff_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
4471#endif
4472
4473#ifndef coff_bfd_print_private_bfd_data
4474#define coff_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
4475#endif
4476
4477#ifndef coff_bfd_is_local_label_name
4478#define coff_bfd_is_local_label_name _bfd_coff_is_local_label_name
4479#endif
4480
4481#ifndef coff_read_minisymbols
4482#define coff_read_minisymbols _bfd_generic_read_minisymbols
4483#endif
4484
4485#ifndef coff_minisymbol_to_symbol
4486#define coff_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
4487#endif
4488
4489/* The reloc lookup routine must be supplied by each individual COFF
4490 backend. */
4491#ifndef coff_bfd_reloc_type_lookup
4492#define coff_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
4493#endif
4494
4495#ifndef coff_bfd_get_relocated_section_contents
4496#define coff_bfd_get_relocated_section_contents \
4497 bfd_generic_get_relocated_section_contents
4498#endif
4499
4500#ifndef coff_bfd_relax_section
4501#define coff_bfd_relax_section bfd_generic_relax_section
4502#endif
4503
4504#ifndef coff_bfd_gc_sections
4505#define coff_bfd_gc_sections bfd_generic_gc_sections
4506#endif
c3c89269
NC		 4507
4508#define CREATE_BIG_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE) \
4509const bfd_target VAR = \
4510{ \
4511 NAME , \
4512 bfd_target_coff_flavour, \
4513 BFD_ENDIAN_BIG, /* data byte order is big */ \
4514 BFD_ENDIAN_BIG, /* header byte order is big */ \
4515 /* object flags */ \
4516 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
4517 HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
4518 /* section flags */ \
4519 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS), \
4520 UNDER, /* leading symbol underscore */ \
4521 '/', /* ar_pad_char */ \
4522 15, /* ar_max_namelen */ \
4523 \
4524 /* Data conversion functions. */ \
4525 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
4526 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
4527 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
4528 \
4529 /* Header conversion functions. */ \
4530 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
4531 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
4532 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
4533 \
4534 /* bfd_check_format */ \
4535 { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, _bfd_dummy_target }, \
4536 /* bfd_set_format */ \
4537 { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
4538 /* bfd_write_contents */ \
4539 { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, bfd_false }, \
4540 \
4541 BFD_JUMP_TABLE_GENERIC (coff), \
4542 BFD_JUMP_TABLE_COPY (coff), \
4543 BFD_JUMP_TABLE_CORE (_bfd_nocore), \
4544 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
4545 BFD_JUMP_TABLE_SYMBOLS (coff), \
4546 BFD_JUMP_TABLE_RELOCS (coff), \
4547 BFD_JUMP_TABLE_WRITE (coff), \
4548 BFD_JUMP_TABLE_LINK (coff), \
4549 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
4550 \
4551 ALTERNATIVE, \
4552 \
4553 COFF_SWAP_TABLE \
4554};
4555
4556#define CREATE_LITTLE_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE) \
4557const bfd_target VAR = \
4558{ \
4559 NAME , \
4560 bfd_target_coff_flavour, \
4561 BFD_ENDIAN_LITTLE, /* data byte order is little */ \
4562 BFD_ENDIAN_LITTLE, /* header byte order is little */ \
4563 /* object flags */ \
4564 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
4565 HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
4566 /* section flags */ \
4567 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS), \
4568 UNDER, /* leading symbol underscore */ \
4569 '/', /* ar_pad_char */ \
4570 15, /* ar_max_namelen */ \
4571 \
4572 /* Data conversion functions. */ \
4573 bfd_getl64, bfd_getl_signed_64, bfd_putl64, \
4574 bfd_getl32, bfd_getl_signed_32, bfd_putl32, \
4575 bfd_getl16, bfd_getl_signed_16, bfd_putl16, \
4576 /* Header conversion functions. */ \
4577 bfd_getl64, bfd_getl_signed_64, bfd_putl64, \
4578 bfd_getl32, bfd_getl_signed_32, bfd_putl32, \
4579 bfd_getl16, bfd_getl_signed_16, bfd_putl16, \
4580 /* bfd_check_format */ \
4581 { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, _bfd_dummy_target }, \
4582 /* bfd_set_format */ \
4583 { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
4584 /* bfd_write_contents */ \
4585 { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, bfd_false }, \
4586 \
4587 BFD_JUMP_TABLE_GENERIC (coff), \
4588 BFD_JUMP_TABLE_COPY (coff), \
4589 BFD_JUMP_TABLE_CORE (_bfd_nocore), \
4590 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
4591 BFD_JUMP_TABLE_SYMBOLS (coff), \
4592 BFD_JUMP_TABLE_RELOCS (coff), \
4593 BFD_JUMP_TABLE_WRITE (coff), \
4594 BFD_JUMP_TABLE_LINK (coff), \
4595 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
4596 \
4597 ALTERNATIVE, \
4598 \
4599 COFF_SWAP_TABLE \
4600};
GDB Binutils - Deliverables
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