1 /* Support for the generic parts of most COFF variants, for BFD.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
4 Free Software Foundation, Inc.
5 Written by Cygnus Support.
7 This file is part of BFD, the Binary File Descriptor library.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
24 /* Most of this hacked by Steve Chamberlain,
30 BFD supports a number of different flavours of coff format.
31 The major differences between formats are the sizes and
32 alignments of fields in structures on disk, and the occasional
35 Coff in all its varieties is implemented with a few common
36 files and a number of implementation specific files. For
37 example, The 88k bcs coff format is implemented in the file
38 @file{coff-m88k.c}. This file @code{#include}s
39 @file{coff/m88k.h} which defines the external structure of the
40 coff format for the 88k, and @file{coff/internal.h} which
41 defines the internal structure. @file{coff-m88k.c} also
42 defines the relocations used by the 88k format
45 The Intel i960 processor version of coff is implemented in
46 @file{coff-i960.c}. This file has the same structure as
47 @file{coff-m88k.c}, except that it includes @file{coff/i960.h}
48 rather than @file{coff-m88k.h}.
51 Porting to a new version of coff
53 The recommended method is to select from the existing
54 implementations the version of coff which is most like the one
55 you want to use. For example, we'll say that i386 coff is
56 the one you select, and that your coff flavour is called foo.
57 Copy @file{i386coff.c} to @file{foocoff.c}, copy
58 @file{../include/coff/i386.h} to @file{../include/coff/foo.h},
59 and add the lines to @file{targets.c} and @file{Makefile.in}
60 so that your new back end is used. Alter the shapes of the
61 structures in @file{../include/coff/foo.h} so that they match
62 what you need. You will probably also have to add
63 @code{#ifdef}s to the code in @file{coff/internal.h} and
64 @file{coffcode.h} if your version of coff is too wild.
66 You can verify that your new BFD backend works quite simply by
67 building @file{objdump} from the @file{binutils} directory,
68 and making sure that its version of what's going on and your
69 host system's idea (assuming it has the pretty standard coff
70 dump utility, usually called @code{att-dump} or just
71 @code{dump}) are the same. Then clean up your code, and send
72 what you've done to Cygnus. Then your stuff will be in the
73 next release, and you won't have to keep integrating it.
76 How the coff backend works
81 The Coff backend is split into generic routines that are
82 applicable to any Coff target and routines that are specific
83 to a particular target. The target-specific routines are
84 further split into ones which are basically the same for all
85 Coff targets except that they use the external symbol format
86 or use different values for certain constants.
88 The generic routines are in @file{coffgen.c}. These routines
89 work for any Coff target. They use some hooks into the target
90 specific code; the hooks are in a @code{bfd_coff_backend_data}
91 structure, one of which exists for each target.
93 The essentially similar target-specific routines are in
94 @file{coffcode.h}. This header file includes executable C code.
95 The various Coff targets first include the appropriate Coff
96 header file, make any special defines that are needed, and
97 then include @file{coffcode.h}.
99 Some of the Coff targets then also have additional routines in
100 the target source file itself.
102 For example, @file{coff-i960.c} includes
103 @file{coff/internal.h} and @file{coff/i960.h}. It then
104 defines a few constants, such as @code{I960}, and includes
105 @file{coffcode.h}. Since the i960 has complex relocation
106 types, @file{coff-i960.c} also includes some code to
107 manipulate the i960 relocs. This code is not in
108 @file{coffcode.h} because it would not be used by any other
112 Coff long section names
114 In the standard Coff object format, section names are limited to
115 the eight bytes available in the @code{s_name} field of the
116 @code{SCNHDR} section header structure. The format requires the
117 field to be NUL-padded, but not necessarily NUL-terminated, so
118 the longest section names permitted are a full eight characters.
120 The Microsoft PE variants of the Coff object file format add
121 an extension to support the use of long section names. This
122 extension is defined in section 4 of the Microsoft PE/COFF
123 specification (rev 8.1). If a section name is too long to fit
124 into the section header's @code{s_name} field, it is instead
125 placed into the string table, and the @code{s_name} field is
126 filled with a slash ("/") followed by the ASCII decimal
127 representation of the offset of the full name relative to the
130 Note that this implies that the extension can only be used in object
131 files, as executables do not contain a string table. The standard
132 specifies that long section names from objects emitted into executable
133 images are to be truncated.
135 However, as a GNU extension, BFD can generate executable images
136 that contain a string table and long section names. This
137 would appear to be technically valid, as the standard only says
138 that Coff debugging information is deprecated, not forbidden,
139 and in practice it works, although some tools that parse PE files
140 expecting the MS standard format may become confused; @file{PEview} is
143 The functionality is supported in BFD by code implemented under
144 the control of the macro @code{COFF_LONG_SECTION_NAMES}. If not
145 defined, the format does not support long section names in any way.
146 If defined, it is used to initialise a flag,
147 @code{_bfd_coff_long_section_names}, and a hook function pointer,
148 @code{_bfd_coff_set_long_section_names}, in the Coff backend data
149 structure. The flag controls the generation of long section names
150 in output BFDs at runtime; if it is false, as it will be by default
151 when generating an executable image, long section names are truncated;
152 if true, the long section names extension is employed. The hook
153 points to a function that allows the value of the flag to be altered
154 at runtime, on formats that support long section names at all; on
155 other formats it points to a stub that returns an error indication.
157 If @code{COFF_LONG_SECTION_NAMES} is simply defined (blank), or is
158 defined to the value "1", then long section names are enabled by
159 default; if it is defined to the value zero, they are disabled by
160 default (but still accepted in input BFDs). The header @file{coffcode.h}
161 defines a macro, @code{COFF_DEFAULT_LONG_SECTION_NAMES}, which is
162 used in the backends to initialise the backend data structure fields
163 appropriately; see the comments for further detail.
168 Each flavour of coff supported in BFD has its own header file
169 describing the external layout of the structures. There is also
170 an internal description of the coff layout, in
171 @file{coff/internal.h}. A major function of the
172 coff backend is swapping the bytes and twiddling the bits to
173 translate the external form of the structures into the normal
174 internal form. This is all performed in the
175 @code{bfd_swap}_@i{thing}_@i{direction} routines. Some
176 elements are different sizes between different versions of
177 coff; it is the duty of the coff version specific include file
178 to override the definitions of various packing routines in
179 @file{coffcode.h}. E.g., the size of line number entry in coff is
180 sometimes 16 bits, and sometimes 32 bits. @code{#define}ing
181 @code{PUT_LNSZ_LNNO} and @code{GET_LNSZ_LNNO} will select the
182 correct one. No doubt, some day someone will find a version of
183 coff which has a varying field size not catered to at the
184 moment. To port BFD, that person will have to add more @code{#defines}.
185 Three of the bit twiddling routines are exported to
186 @code{gdb}; @code{coff_swap_aux_in}, @code{coff_swap_sym_in}
187 and @code{coff_swap_lineno_in}. @code{GDB} reads the symbol
188 table on its own, but uses BFD to fix things up. More of the
189 bit twiddlers are exported for @code{gas};
190 @code{coff_swap_aux_out}, @code{coff_swap_sym_out},
191 @code{coff_swap_lineno_out}, @code{coff_swap_reloc_out},
192 @code{coff_swap_filehdr_out}, @code{coff_swap_aouthdr_out},
193 @code{coff_swap_scnhdr_out}. @code{Gas} currently keeps track
194 of all the symbol table and reloc drudgery itself, thereby
195 saving the internal BFD overhead, but uses BFD to swap things
196 on the way out, making cross ports much safer. Doing so also
197 allows BFD (and thus the linker) to use the same header files
198 as @code{gas}, which makes one avenue to disaster disappear.
203 The simple canonical form for symbols used by BFD is not rich
204 enough to keep all the information available in a coff symbol
205 table. The back end gets around this problem by keeping the original
206 symbol table around, "behind the scenes".
208 When a symbol table is requested (through a call to
209 @code{bfd_canonicalize_symtab}), a request gets through to
210 @code{coff_get_normalized_symtab}. This reads the symbol table from
211 the coff file and swaps all the structures inside into the
212 internal form. It also fixes up all the pointers in the table
213 (represented in the file by offsets from the first symbol in
214 the table) into physical pointers to elements in the new
215 internal table. This involves some work since the meanings of
216 fields change depending upon context: a field that is a
217 pointer to another structure in the symbol table at one moment
218 may be the size in bytes of a structure at the next. Another
219 pass is made over the table. All symbols which mark file names
220 (<<C_FILE>> symbols) are modified so that the internal
221 string points to the value in the auxent (the real filename)
222 rather than the normal text associated with the symbol
225 At this time the symbol names are moved around. Coff stores
226 all symbols less than nine characters long physically
227 within the symbol table; longer strings are kept at the end of
228 the file in the string table. This pass moves all strings
229 into memory and replaces them with pointers to the strings.
231 The symbol table is massaged once again, this time to create
232 the canonical table used by the BFD application. Each symbol
233 is inspected in turn, and a decision made (using the
234 @code{sclass} field) about the various flags to set in the
235 @code{asymbol}. @xref{Symbols}. The generated canonical table
236 shares strings with the hidden internal symbol table.
238 Any linenumbers are read from the coff file too, and attached
239 to the symbols which own the functions the linenumbers belong to.
244 Writing a symbol to a coff file which didn't come from a coff
245 file will lose any debugging information. The @code{asymbol}
246 structure remembers the BFD from which the symbol was taken, and on
247 output the back end makes sure that the same destination target as
248 source target is present.
250 When the symbols have come from a coff file then all the
251 debugging information is preserved.
253 Symbol tables are provided for writing to the back end in a
254 vector of pointers to pointers. This allows applications like
255 the linker to accumulate and output large symbol tables
256 without having to do too much byte copying.
258 This function runs through the provided symbol table and
259 patches each symbol marked as a file place holder
260 (@code{C_FILE}) to point to the next file place holder in the
261 list. It also marks each @code{offset} field in the list with
262 the offset from the first symbol of the current symbol.
264 Another function of this procedure is to turn the canonical
265 value form of BFD into the form used by coff. Internally, BFD
266 expects symbol values to be offsets from a section base; so a
267 symbol physically at 0x120, but in a section starting at
268 0x100, would have the value 0x20. Coff expects symbols to
269 contain their final value, so symbols have their values
270 changed at this point to reflect their sum with their owning
271 section. This transformation uses the
272 <<output_section>> field of the @code{asymbol}'s
273 @code{asection} @xref{Sections}.
275 o <<coff_mangle_symbols>>
277 This routine runs though the provided symbol table and uses
278 the offsets generated by the previous pass and the pointers
279 generated when the symbol table was read in to create the
280 structured hierarchy required by coff. It changes each pointer
281 to a symbol into the index into the symbol table of the asymbol.
283 o <<coff_write_symbols>>
285 This routine runs through the symbol table and patches up the
286 symbols from their internal form into the coff way, calls the
287 bit twiddlers, and writes out the table to the file.
296 The hidden information for an <<asymbol>> is described in a
297 <<combined_entry_type>>:
301 .typedef struct coff_ptr_struct
303 . {* Remembers the offset from the first symbol in the file for
304 . this symbol. Generated by coff_renumber_symbols. *}
305 . unsigned int offset;
307 . {* Should the value of this symbol be renumbered. Used for
308 . XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. *}
309 . unsigned int fix_value : 1;
311 . {* Should the tag field of this symbol be renumbered.
312 . Created by coff_pointerize_aux. *}
313 . unsigned int fix_tag : 1;
315 . {* Should the endidx field of this symbol be renumbered.
316 . Created by coff_pointerize_aux. *}
317 . unsigned int fix_end : 1;
319 . {* Should the x_csect.x_scnlen field be renumbered.
320 . Created by coff_pointerize_aux. *}
321 . unsigned int fix_scnlen : 1;
323 . {* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the
324 . index into the line number entries. Set by coff_slurp_symbol_table. *}
325 . unsigned int fix_line : 1;
327 . {* The container for the symbol structure as read and translated
331 . union internal_auxent auxent;
332 . struct internal_syment syment;
334 .} combined_entry_type;
337 .{* Each canonical asymbol really looks like this: *}
339 .typedef struct coff_symbol_struct
341 . {* The actual symbol which the rest of BFD works with *}
344 . {* A pointer to the hidden information for this symbol *}
345 . combined_entry_type *native;
347 . {* A pointer to the linenumber information for this symbol *}
348 . struct lineno_cache_entry *lineno;
350 . {* Have the line numbers been relocated yet ? *}
351 . bfd_boolean done_lineno;
359 #include "coffswap.h"
362 #define STRING_SIZE_SIZE 4
364 #define DOT_DEBUG ".debug"
365 #define GNU_LINKONCE_WI ".gnu.linkonce.wi."
367 #if defined (COFF_LONG_SECTION_NAMES)
368 /* Needed to expand the inputs to BLANKOR1TOODD. */
369 #define COFFLONGSECTIONCATHELPER(x,y) x ## y
370 /* If the input macro Y is blank or '1', return an odd number; if it is
371 '0', return an even number. Result undefined in all other cases. */
372 #define BLANKOR1TOODD(y) COFFLONGSECTIONCATHELPER(1,y)
373 /* Defined to numerical 0 or 1 according to whether generation of long
374 section names is disabled or enabled by default. */
375 #define COFF_ENABLE_LONG_SECTION_NAMES (BLANKOR1TOODD(COFF_LONG_SECTION_NAMES) & 1)
376 /* Where long section names are supported, we allow them to be enabled
377 and disabled at runtime, so select an appropriate hook function for
378 _bfd_coff_set_long_section_names. */
379 #define COFF_LONG_SECTION_NAMES_SETTER bfd_coff_set_long_section_names_allowed
380 #else /* !defined (COFF_LONG_SECTION_NAMES) */
381 /* If long section names are not supported, this stub disallows any
382 attempt to enable them at run-time. */
383 #define COFF_LONG_SECTION_NAMES_SETTER bfd_coff_set_long_section_names_disallowed
384 #endif /* defined (COFF_LONG_SECTION_NAMES) */
386 /* Define a macro that can be used to initialise both the fields relating
387 to long section names in the backend data struct simultaneously. */
388 #if COFF_ENABLE_LONG_SECTION_NAMES
389 #define COFF_DEFAULT_LONG_SECTION_NAMES (TRUE), COFF_LONG_SECTION_NAMES_SETTER
390 #else /* !COFF_ENABLE_LONG_SECTION_NAMES */
391 #define COFF_DEFAULT_LONG_SECTION_NAMES (FALSE), COFF_LONG_SECTION_NAMES_SETTER
392 #endif /* COFF_ENABLE_LONG_SECTION_NAMES */
394 #if defined (COFF_LONG_SECTION_NAMES)
395 static bfd_boolean bfd_coff_set_long_section_names_allowed
397 #else /* !defined (COFF_LONG_SECTION_NAMES) */
398 static bfd_boolean bfd_coff_set_long_section_names_disallowed
400 #endif /* defined (COFF_LONG_SECTION_NAMES) */
401 static long sec_to_styp_flags
402 (const char *, flagword);
403 static bfd_boolean styp_to_sec_flags
404 (bfd *, void *, const char *, asection *, flagword *);
405 static bfd_boolean coff_bad_format_hook
407 static void coff_set_custom_section_alignment
408 (bfd *, asection *, const struct coff_section_alignment_entry *,
410 static bfd_boolean coff_new_section_hook
412 static bfd_boolean coff_set_arch_mach_hook
414 static bfd_boolean coff_write_relocs
416 static bfd_boolean coff_set_flags
417 (bfd *, unsigned int *, unsigned short *);
418 static bfd_boolean coff_set_arch_mach
419 (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_UNUSED;
420 static bfd_boolean coff_compute_section_file_positions
422 static bfd_boolean coff_write_object_contents
423 (bfd *) ATTRIBUTE_UNUSED;
424 static bfd_boolean coff_set_section_contents
425 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
426 static void * buy_and_read
427 (bfd *, file_ptr, bfd_size_type);
428 static bfd_boolean coff_slurp_line_table
430 static bfd_boolean coff_slurp_symbol_table
432 static enum coff_symbol_classification coff_classify_symbol
433 (bfd *, struct internal_syment *);
434 static bfd_boolean coff_slurp_reloc_table
435 (bfd *, asection *, asymbol **);
436 static long coff_canonicalize_reloc
437 (bfd *, asection *, arelent **, asymbol **);
438 #ifndef coff_mkobject_hook
439 static void * coff_mkobject_hook
440 (bfd *, void *, void *);
443 static flagword handle_COMDAT
444 (bfd *, flagword, void *, const char *, asection *);
446 #ifdef COFF_IMAGE_WITH_PE
447 static bfd_boolean coff_read_word
448 (bfd *, unsigned int *);
449 static unsigned int coff_compute_checksum
451 static bfd_boolean coff_apply_checksum
455 static bfd_boolean ticoff0_bad_format_hook
457 static bfd_boolean ticoff1_bad_format_hook
461 /* void warning(); */
463 #if defined (COFF_LONG_SECTION_NAMES)
465 bfd_coff_set_long_section_names_allowed (bfd *abfd, int enable)
467 coff_backend_info (abfd)->_bfd_coff_long_section_names = enable;
470 #else /* !defined (COFF_LONG_SECTION_NAMES) */
472 bfd_coff_set_long_section_names_disallowed (bfd *abfd, int enable)
478 #endif /* defined (COFF_LONG_SECTION_NAMES) */
480 /* Return a word with STYP_* (scnhdr.s_flags) flags set to represent
481 the incoming SEC_* flags. The inverse of this function is
482 styp_to_sec_flags(). NOTE: If you add to/change this routine, you
483 should probably mirror the changes in styp_to_sec_flags(). */
487 /* Macros for setting debugging flags. */
490 #define STYP_XCOFF_DEBUG STYP_DEBUG
492 #define STYP_XCOFF_DEBUG STYP_INFO
495 #ifdef COFF_ALIGN_IN_S_FLAGS
496 #define STYP_DEBUG_INFO STYP_DSECT
498 #define STYP_DEBUG_INFO STYP_INFO
502 sec_to_styp_flags (const char *sec_name, flagword sec_flags)
506 if (!strcmp (sec_name, _TEXT))
508 styp_flags = STYP_TEXT;
510 else if (!strcmp (sec_name, _DATA))
512 styp_flags = STYP_DATA;
514 else if (!strcmp (sec_name, _BSS))
516 styp_flags = STYP_BSS;
519 else if (!strcmp (sec_name, _COMMENT))
521 styp_flags = STYP_INFO;
522 #endif /* _COMMENT */
525 else if (!strcmp (sec_name, _LIB))
527 styp_flags = STYP_LIB;
531 else if (!strcmp (sec_name, _LIT))
533 styp_flags = STYP_LIT;
536 else if (CONST_STRNEQ (sec_name, DOT_DEBUG))
538 /* Handle the XCOFF debug section and DWARF2 debug sections. */
540 styp_flags = STYP_XCOFF_DEBUG;
542 styp_flags = STYP_DEBUG_INFO;
544 else if (CONST_STRNEQ (sec_name, ".stab"))
546 styp_flags = STYP_DEBUG_INFO;
548 #ifdef COFF_LONG_SECTION_NAMES
549 else if (CONST_STRNEQ (sec_name, GNU_LINKONCE_WI))
551 styp_flags = STYP_DEBUG_INFO;
555 else if (!strcmp (sec_name, _PAD))
557 styp_flags = STYP_PAD;
559 else if (!strcmp (sec_name, _LOADER))
561 styp_flags = STYP_LOADER;
563 else if (!strcmp (sec_name, _EXCEPT))
565 styp_flags = STYP_EXCEPT;
567 else if (!strcmp (sec_name, _TYPCHK))
569 styp_flags = STYP_TYPCHK;
572 /* Try and figure out what it should be */
573 else if (sec_flags & SEC_CODE)
575 styp_flags = STYP_TEXT;
577 else if (sec_flags & SEC_DATA)
579 styp_flags = STYP_DATA;
581 else if (sec_flags & SEC_READONLY)
583 #ifdef STYP_LIT /* 29k readonly text/data section */
584 styp_flags = STYP_LIT;
586 styp_flags = STYP_TEXT;
587 #endif /* STYP_LIT */
589 else if (sec_flags & SEC_LOAD)
591 styp_flags = STYP_TEXT;
593 else if (sec_flags & SEC_ALLOC)
595 styp_flags = STYP_BSS;
599 if (sec_flags & SEC_TIC54X_CLINK)
600 styp_flags |= STYP_CLINK;
604 if (sec_flags & SEC_TIC54X_BLOCK)
605 styp_flags |= STYP_BLOCK;
609 if ((sec_flags & (SEC_NEVER_LOAD | SEC_COFF_SHARED_LIBRARY)) != 0)
610 styp_flags |= STYP_NOLOAD;
616 #else /* COFF_WITH_PE */
618 /* The PE version; see above for the general comments. The non-PE
619 case seems to be more guessing, and breaks PE format; specifically,
620 .rdata is readonly, but it sure ain't text. Really, all this
621 should be set up properly in gas (or whatever assembler is in use),
622 and honor whatever objcopy/strip, etc. sent us as input. */
625 sec_to_styp_flags (const char *sec_name, flagword sec_flags)
629 /* caution: there are at least three groups of symbols that have
630 very similar bits and meanings: IMAGE_SCN*, SEC_*, and STYP_*.
631 SEC_* are the BFD internal flags, used for generic BFD
632 information. STYP_* are the COFF section flags which appear in
633 COFF files. IMAGE_SCN_* are the PE section flags which appear in
634 PE files. The STYP_* flags and the IMAGE_SCN_* flags overlap,
635 but there are more IMAGE_SCN_* flags. */
637 /* FIXME: There is no gas syntax to specify the debug section flag. */
638 if (CONST_STRNEQ (sec_name, DOT_DEBUG)
639 || CONST_STRNEQ (sec_name, GNU_LINKONCE_WI))
640 sec_flags = SEC_DEBUGGING;
645 if ((sec_flags & SEC_CODE) != 0)
646 styp_flags |= IMAGE_SCN_CNT_CODE;
647 if ((sec_flags & SEC_DATA) != 0)
648 styp_flags |= IMAGE_SCN_CNT_INITIALIZED_DATA;
649 if ((sec_flags & SEC_ALLOC) != 0 && (sec_flags & SEC_LOAD) == 0)
650 styp_flags |= IMAGE_SCN_CNT_UNINITIALIZED_DATA; /* ==STYP_BSS */
652 /* skip constRUCTOR */
654 if ((sec_flags & SEC_IS_COMMON) != 0)
655 styp_flags |= IMAGE_SCN_LNK_COMDAT;
656 if ((sec_flags & SEC_DEBUGGING) != 0)
657 styp_flags |= IMAGE_SCN_MEM_DISCARDABLE;
658 if ((sec_flags & SEC_EXCLUDE) != 0)
659 styp_flags |= IMAGE_SCN_LNK_REMOVE;
660 if ((sec_flags & SEC_NEVER_LOAD) != 0)
661 styp_flags |= IMAGE_SCN_LNK_REMOVE;
664 if (sec_flags & SEC_LINK_ONCE)
665 styp_flags |= IMAGE_SCN_LNK_COMDAT;
666 /* skip LINK_DUPLICATES */
667 /* skip LINKER_CREATED */
669 if (sec_flags & (SEC_ALLOC | SEC_LOAD))
671 /* For now, the read/write bits are mapped onto SEC_READONLY, even
672 though the semantics don't quite match. The bits from the input
673 are retained in pei_section_data(abfd, section)->pe_flags. */
674 styp_flags |= IMAGE_SCN_MEM_READ; /* Always readable. */
675 if ((sec_flags & SEC_READONLY) == 0)
676 styp_flags |= IMAGE_SCN_MEM_WRITE; /* Invert READONLY for write. */
677 if (sec_flags & SEC_CODE)
678 styp_flags |= IMAGE_SCN_MEM_EXECUTE; /* CODE->EXECUTE. */
679 if (sec_flags & SEC_COFF_SHARED)
680 styp_flags |= IMAGE_SCN_MEM_SHARED; /* Shared remains meaningful. */
686 #endif /* COFF_WITH_PE */
688 /* Return a word with SEC_* flags set to represent the incoming STYP_*
689 flags (from scnhdr.s_flags). The inverse of this function is
690 sec_to_styp_flags(). NOTE: If you add to/change this routine, you
691 should probably mirror the changes in sec_to_styp_flags(). */
696 styp_to_sec_flags (bfd *abfd ATTRIBUTE_UNUSED,
699 asection *section ATTRIBUTE_UNUSED,
702 struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
703 long styp_flags = internal_s->s_flags;
704 flagword sec_flags = 0;
707 if (styp_flags & STYP_BLOCK)
708 sec_flags |= SEC_TIC54X_BLOCK;
712 if (styp_flags & STYP_CLINK)
713 sec_flags |= SEC_TIC54X_CLINK;
717 if (styp_flags & STYP_NOLOAD)
718 sec_flags |= SEC_NEVER_LOAD;
719 #endif /* STYP_NOLOAD */
721 /* For 386 COFF, at least, an unloadable text or data section is
722 actually a shared library section. */
723 if (styp_flags & STYP_TEXT)
725 if (sec_flags & SEC_NEVER_LOAD)
726 sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY;
728 sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC;
730 else if (styp_flags & STYP_DATA)
732 if (sec_flags & SEC_NEVER_LOAD)
733 sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY;
735 sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
737 else if (styp_flags & STYP_BSS)
739 #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY
740 if (sec_flags & SEC_NEVER_LOAD)
741 sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY;
744 sec_flags |= SEC_ALLOC;
746 else if (styp_flags & STYP_INFO)
748 /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is
749 defined. coff_compute_section_file_positions uses
750 COFF_PAGE_SIZE to ensure that the low order bits of the
751 section VMA and the file offset match. If we don't know
752 COFF_PAGE_SIZE, we can't ensure the correct correspondence,
753 and demand page loading of the file will fail. */
754 #if defined (COFF_PAGE_SIZE) && !defined (COFF_ALIGN_IN_S_FLAGS)
755 sec_flags |= SEC_DEBUGGING;
758 else if (styp_flags & STYP_PAD)
760 else if (strcmp (name, _TEXT) == 0)
762 if (sec_flags & SEC_NEVER_LOAD)
763 sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY;
765 sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC;
767 else if (strcmp (name, _DATA) == 0)
769 if (sec_flags & SEC_NEVER_LOAD)
770 sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY;
772 sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
774 else if (strcmp (name, _BSS) == 0)
776 #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY
777 if (sec_flags & SEC_NEVER_LOAD)
778 sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY;
781 sec_flags |= SEC_ALLOC;
783 else if (CONST_STRNEQ (name, DOT_DEBUG)
785 || strcmp (name, _COMMENT) == 0
787 #ifdef COFF_LONG_SECTION_NAMES
788 || CONST_STRNEQ (name, GNU_LINKONCE_WI)
790 || CONST_STRNEQ (name, ".stab"))
792 #ifdef COFF_PAGE_SIZE
793 sec_flags |= SEC_DEBUGGING;
797 else if (strcmp (name, _LIB) == 0)
801 else if (strcmp (name, _LIT) == 0)
802 sec_flags = SEC_LOAD | SEC_ALLOC | SEC_READONLY;
805 sec_flags |= SEC_ALLOC | SEC_LOAD;
807 #ifdef STYP_LIT /* A29k readonly text/data section type. */
808 if ((styp_flags & STYP_LIT) == STYP_LIT)
809 sec_flags = (SEC_LOAD | SEC_ALLOC | SEC_READONLY);
810 #endif /* STYP_LIT */
812 #ifdef STYP_OTHER_LOAD /* Other loaded sections. */
813 if (styp_flags & STYP_OTHER_LOAD)
814 sec_flags = (SEC_LOAD | SEC_ALLOC);
815 #endif /* STYP_SDATA */
817 #if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE)
818 /* As a GNU extension, if the name begins with .gnu.linkonce, we
819 only link a single copy of the section. This is used to support
820 g++. g++ will emit each template expansion in its own section.
821 The symbols will be defined as weak, so that multiple definitions
822 are permitted. The GNU linker extension is to actually discard
823 all but one of the sections. */
824 if (CONST_STRNEQ (name, ".gnu.linkonce"))
825 sec_flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
828 if (flags_ptr == NULL)
831 * flags_ptr = sec_flags;
835 #else /* COFF_WITH_PE */
838 handle_COMDAT (bfd * abfd,
844 struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
845 bfd_byte *esymstart, *esym, *esymend;
847 char *target_name = NULL;
849 sec_flags |= SEC_LINK_ONCE;
851 /* Unfortunately, the PE format stores essential information in
852 the symbol table, of all places. We need to extract that
853 information now, so that objdump and the linker will know how
854 to handle the section without worrying about the symbols. We
855 can't call slurp_symtab, because the linker doesn't want the
858 /* COMDAT sections are special. The first symbol is the section
859 symbol, which tells what kind of COMDAT section it is. The
860 second symbol is the "comdat symbol" - the one with the
861 unique name. GNU uses the section symbol for the unique
862 name; MS uses ".text" for every comdat section. Sigh. - DJ */
864 /* This is not mirrored in sec_to_styp_flags(), but there
865 doesn't seem to be a need to, either, and it would at best be
868 if (! _bfd_coff_get_external_symbols (abfd))
871 esymstart = esym = (bfd_byte *) obj_coff_external_syms (abfd);
872 esymend = esym + obj_raw_syment_count (abfd) * bfd_coff_symesz (abfd);
874 while (esym < esymend)
876 struct internal_syment isym;
877 char buf[SYMNMLEN + 1];
880 bfd_coff_swap_sym_in (abfd, esym, & isym);
882 if (sizeof (internal_s->s_name) > SYMNMLEN)
884 /* This case implies that the matching
885 symbol name will be in the string table. */
889 if (isym.n_scnum == section->target_index)
891 /* According to the MSVC documentation, the first
892 TWO entries with the section # are both of
893 interest to us. The first one is the "section
894 symbol" (section name). The second is the comdat
895 symbol name. Here, we've found the first
896 qualifying entry; we distinguish it from the
897 second with a state flag.
899 In the case of gas-generated (at least until that
900 is fixed) .o files, it isn't necessarily the
901 second one. It may be some other later symbol.
903 Since gas also doesn't follow MS conventions and
904 emits the section similar to .text$<name>, where
905 <something> is the name we're looking for, we
906 distinguish the two as follows:
908 If the section name is simply a section name (no
909 $) we presume it's MS-generated, and look at
910 precisely the second symbol for the comdat name.
911 If the section name has a $, we assume it's
912 gas-generated, and look for <something> (whatever
913 follows the $) as the comdat symbol. */
915 /* All 3 branches use this. */
916 symname = _bfd_coff_internal_syment_name (abfd, &isym, buf);
925 /* The first time we've seen the symbol. */
926 union internal_auxent aux;
928 /* If it isn't the stuff we're expecting, die;
929 The MS documentation is vague, but it
930 appears that the second entry serves BOTH
931 as the comdat symbol and the defining
932 symbol record (either C_STAT or C_EXT,
933 possibly with an aux entry with debug
934 information if it's a function.) It
935 appears the only way to find the second one
936 is to count. (On Intel, they appear to be
937 adjacent, but on Alpha, they have been
940 Here, we think we've found the first one,
941 but there's some checking we can do to be
944 if (! (isym.n_sclass == C_STAT
945 && isym.n_type == T_NULL
946 && isym.n_value == 0))
949 /* FIXME LATER: MSVC generates section names
950 like .text for comdats. Gas generates
951 names like .text$foo__Fv (in the case of a
952 function). See comment above for more. */
954 if (strcmp (name, symname) != 0)
955 _bfd_error_handler (_("%B: warning: COMDAT symbol '%s' does not match section name '%s'"),
956 abfd, symname, name);
960 /* This is the section symbol. */
961 bfd_coff_swap_aux_in (abfd, (esym + bfd_coff_symesz (abfd)),
962 isym.n_type, isym.n_sclass,
963 0, isym.n_numaux, & aux);
965 target_name = strchr (name, '$');
966 if (target_name != NULL)
974 /* FIXME: Microsoft uses NODUPLICATES and
975 ASSOCIATIVE, but gnu uses ANY and
976 SAME_SIZE. Unfortunately, gnu doesn't do
977 the comdat symbols right. So, until we can
978 fix it to do the right thing, we are
979 temporarily disabling comdats for the MS
980 types (they're used in DLLs and C++, but we
981 don't support *their* C++ libraries anyway
984 /* Cygwin does not follow the MS style, and
985 uses ANY and SAME_SIZE where NODUPLICATES
986 and ASSOCIATIVE should be used. For
987 Interix, we just do the right thing up
990 switch (aux.x_scn.x_comdat)
992 case IMAGE_COMDAT_SELECT_NODUPLICATES:
993 #ifdef STRICT_PE_FORMAT
994 sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY;
996 sec_flags &= ~SEC_LINK_ONCE;
1000 case IMAGE_COMDAT_SELECT_ANY:
1001 sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
1004 case IMAGE_COMDAT_SELECT_SAME_SIZE:
1005 sec_flags |= SEC_LINK_DUPLICATES_SAME_SIZE;
1008 case IMAGE_COMDAT_SELECT_EXACT_MATCH:
1009 /* Not yet fully implemented ??? */
1010 sec_flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS;
1013 /* debug$S gets this case; other
1016 /* There may be no symbol... we'll search
1017 the whole table... Is this the right
1018 place to play this game? Or should we do
1019 it when reading it in. */
1020 case IMAGE_COMDAT_SELECT_ASSOCIATIVE:
1021 #ifdef STRICT_PE_FORMAT
1022 /* FIXME: This is not currently implemented. */
1023 sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
1025 sec_flags &= ~SEC_LINK_ONCE;
1029 default: /* 0 means "no symbol" */
1030 /* debug$F gets this case; other
1032 sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
1039 /* Gas mode: the first matching on partial name. */
1041 #ifndef TARGET_UNDERSCORE
1042 #define TARGET_UNDERSCORE 0
1044 /* Is this the name we're looking for ? */
1045 if (strcmp (target_name,
1046 symname + (TARGET_UNDERSCORE ? 1 : 0)) != 0)
1048 /* Not the name we're looking for */
1049 esym += (isym.n_numaux + 1) * bfd_coff_symesz (abfd);
1054 /* MSVC mode: the lexically second symbol (or
1055 drop through from the above). */
1060 /* This must the second symbol with the
1061 section #. It is the actual symbol name.
1062 Intel puts the two adjacent, but Alpha (at
1063 least) spreads them out. */
1065 amt = sizeof (struct coff_comdat_info);
1066 coff_section_data (abfd, section)->comdat
1067 = bfd_alloc (abfd, amt);
1068 if (coff_section_data (abfd, section)->comdat == NULL)
1071 coff_section_data (abfd, section)->comdat->symbol =
1072 (esym - esymstart) / bfd_coff_symesz (abfd);
1074 amt = strlen (symname) + 1;
1075 newname = bfd_alloc (abfd, amt);
1076 if (newname == NULL)
1079 strcpy (newname, symname);
1080 coff_section_data (abfd, section)->comdat->name
1088 esym += (isym.n_numaux + 1) * bfd_coff_symesz (abfd);
1096 /* The PE version; see above for the general comments.
1098 Since to set the SEC_LINK_ONCE and associated flags, we have to
1099 look at the symbol table anyway, we return the symbol table index
1100 of the symbol being used as the COMDAT symbol. This is admittedly
1101 ugly, but there's really nowhere else that we have access to the
1102 required information. FIXME: Is the COMDAT symbol index used for
1103 any purpose other than objdump? */
1106 styp_to_sec_flags (bfd *abfd,
1110 flagword *flags_ptr)
1112 struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
1113 long styp_flags = internal_s->s_flags;
1115 bfd_boolean result = TRUE;
1117 /* Assume read only unless IMAGE_SCN_MEM_WRITE is specified. */
1118 sec_flags = SEC_READONLY;
1120 /* Process each flag bit in styp_flags in turn. */
1123 long flag = styp_flags & - styp_flags;
1124 char * unhandled = NULL;
1126 styp_flags &= ~ flag;
1128 /* We infer from the distinct read/write/execute bits the settings
1129 of some of the bfd flags; the actual values, should we need them,
1130 are also in pei_section_data (abfd, section)->pe_flags. */
1135 unhandled = "STYP_DSECT";
1138 unhandled = "STYP_GROUP";
1141 unhandled = "STYP_COPY";
1144 unhandled = "STYP_OVER";
1146 #ifdef SEC_NEVER_LOAD
1148 sec_flags |= SEC_NEVER_LOAD;
1151 case IMAGE_SCN_MEM_READ:
1152 /* Ignored, assume it always to be true. */
1154 case IMAGE_SCN_TYPE_NO_PAD:
1157 case IMAGE_SCN_LNK_OTHER:
1158 unhandled = "IMAGE_SCN_LNK_OTHER";
1160 case IMAGE_SCN_MEM_NOT_CACHED:
1161 unhandled = "IMAGE_SCN_MEM_NOT_CACHED";
1163 case IMAGE_SCN_MEM_NOT_PAGED:
1164 /* Generate a warning message rather using the 'unhandled'
1165 variable as this will allow some .sys files generate by
1166 other toolchains to be processed. See bugzilla issue 196. */
1167 _bfd_error_handler (_("%B: Warning: Ignoring section flag IMAGE_SCN_MEM_NOT_PAGED in section %s"),
1170 case IMAGE_SCN_MEM_EXECUTE:
1171 sec_flags |= SEC_CODE;
1173 case IMAGE_SCN_MEM_WRITE:
1174 sec_flags &= ~ SEC_READONLY;
1176 case IMAGE_SCN_MEM_DISCARDABLE:
1177 /* The MS PE spec says that debug sections are DISCARDABLE,
1178 but the presence of a DISCARDABLE flag does not necessarily
1179 mean that a given section contains debug information. Thus
1180 we only set the SEC_DEBUGGING flag on sections that we
1181 recognise as containing debug information. */
1182 if (CONST_STRNEQ (name, DOT_DEBUG)
1184 || strcmp (name, _COMMENT) == 0
1186 #ifdef COFF_LONG_SECTION_NAMES
1187 || CONST_STRNEQ (name, GNU_LINKONCE_WI)
1189 || CONST_STRNEQ (name, ".stab"))
1190 sec_flags |= SEC_DEBUGGING;
1192 case IMAGE_SCN_MEM_SHARED:
1193 sec_flags |= SEC_COFF_SHARED;
1195 case IMAGE_SCN_LNK_REMOVE:
1196 sec_flags |= SEC_EXCLUDE;
1198 case IMAGE_SCN_CNT_CODE:
1199 sec_flags |= SEC_CODE | SEC_ALLOC | SEC_LOAD;
1201 case IMAGE_SCN_CNT_INITIALIZED_DATA:
1202 sec_flags |= SEC_DATA | SEC_ALLOC | SEC_LOAD;
1204 case IMAGE_SCN_CNT_UNINITIALIZED_DATA:
1205 sec_flags |= SEC_ALLOC;
1207 case IMAGE_SCN_LNK_INFO:
1208 /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is
1209 defined. coff_compute_section_file_positions uses
1210 COFF_PAGE_SIZE to ensure that the low order bits of the
1211 section VMA and the file offset match. If we don't know
1212 COFF_PAGE_SIZE, we can't ensure the correct correspondence,
1213 and demand page loading of the file will fail. */
1214 #ifdef COFF_PAGE_SIZE
1215 sec_flags |= SEC_DEBUGGING;
1218 case IMAGE_SCN_LNK_COMDAT:
1219 /* COMDAT gets very special treatment. */
1220 sec_flags = handle_COMDAT (abfd, sec_flags, hdr, name, section);
1223 /* Silently ignore for now. */
1227 /* If the section flag was not handled, report it here. */
1228 if (unhandled != NULL)
1230 (*_bfd_error_handler)
1231 (_("%B (%s): Section flag %s (0x%x) ignored"),
1232 abfd, name, unhandled, flag);
1237 #if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE)
1238 /* As a GNU extension, if the name begins with .gnu.linkonce, we
1239 only link a single copy of the section. This is used to support
1240 g++. g++ will emit each template expansion in its own section.
1241 The symbols will be defined as weak, so that multiple definitions
1242 are permitted. The GNU linker extension is to actually discard
1243 all but one of the sections. */
1244 if (CONST_STRNEQ (name, ".gnu.linkonce"))
1245 sec_flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
1249 * flags_ptr = sec_flags;
1254 #endif /* COFF_WITH_PE */
1256 #define get_index(symbol) ((symbol)->udata.i)
1260 bfd_coff_backend_data
1264 .{* COFF symbol classifications. *}
1266 .enum coff_symbol_classification
1268 . {* Global symbol. *}
1269 . COFF_SYMBOL_GLOBAL,
1270 . {* Common symbol. *}
1271 . COFF_SYMBOL_COMMON,
1272 . {* Undefined symbol. *}
1273 . COFF_SYMBOL_UNDEFINED,
1274 . {* Local symbol. *}
1275 . COFF_SYMBOL_LOCAL,
1276 . {* PE section symbol. *}
1277 . COFF_SYMBOL_PE_SECTION
1280 Special entry points for gdb to swap in coff symbol table parts:
1283 . void (*_bfd_coff_swap_aux_in)
1284 . (bfd *, void *, int, int, int, int, void *);
1286 . void (*_bfd_coff_swap_sym_in)
1287 . (bfd *, void *, void *);
1289 . void (*_bfd_coff_swap_lineno_in)
1290 . (bfd *, void *, void *);
1292 . unsigned int (*_bfd_coff_swap_aux_out)
1293 . (bfd *, void *, int, int, int, int, void *);
1295 . unsigned int (*_bfd_coff_swap_sym_out)
1296 . (bfd *, void *, void *);
1298 . unsigned int (*_bfd_coff_swap_lineno_out)
1299 . (bfd *, void *, void *);
1301 . unsigned int (*_bfd_coff_swap_reloc_out)
1302 . (bfd *, void *, void *);
1304 . unsigned int (*_bfd_coff_swap_filehdr_out)
1305 . (bfd *, void *, void *);
1307 . unsigned int (*_bfd_coff_swap_aouthdr_out)
1308 . (bfd *, void *, void *);
1310 . unsigned int (*_bfd_coff_swap_scnhdr_out)
1311 . (bfd *, void *, void *);
1313 . unsigned int _bfd_filhsz;
1314 . unsigned int _bfd_aoutsz;
1315 . unsigned int _bfd_scnhsz;
1316 . unsigned int _bfd_symesz;
1317 . unsigned int _bfd_auxesz;
1318 . unsigned int _bfd_relsz;
1319 . unsigned int _bfd_linesz;
1320 . unsigned int _bfd_filnmlen;
1321 . bfd_boolean _bfd_coff_long_filenames;
1323 . bfd_boolean _bfd_coff_long_section_names;
1324 . bfd_boolean (*_bfd_coff_set_long_section_names)
1327 . unsigned int _bfd_coff_default_section_alignment_power;
1328 . bfd_boolean _bfd_coff_force_symnames_in_strings;
1329 . unsigned int _bfd_coff_debug_string_prefix_length;
1331 . void (*_bfd_coff_swap_filehdr_in)
1332 . (bfd *, void *, void *);
1334 . void (*_bfd_coff_swap_aouthdr_in)
1335 . (bfd *, void *, void *);
1337 . void (*_bfd_coff_swap_scnhdr_in)
1338 . (bfd *, void *, void *);
1340 . void (*_bfd_coff_swap_reloc_in)
1341 . (bfd *abfd, void *, void *);
1343 . bfd_boolean (*_bfd_coff_bad_format_hook)
1346 . bfd_boolean (*_bfd_coff_set_arch_mach_hook)
1349 . void * (*_bfd_coff_mkobject_hook)
1350 . (bfd *, void *, void *);
1352 . bfd_boolean (*_bfd_styp_to_sec_flags_hook)
1353 . (bfd *, void *, const char *, asection *, flagword *);
1355 . void (*_bfd_set_alignment_hook)
1356 . (bfd *, asection *, void *);
1358 . bfd_boolean (*_bfd_coff_slurp_symbol_table)
1361 . bfd_boolean (*_bfd_coff_symname_in_debug)
1362 . (bfd *, struct internal_syment *);
1364 . bfd_boolean (*_bfd_coff_pointerize_aux_hook)
1365 . (bfd *, combined_entry_type *, combined_entry_type *,
1366 . unsigned int, combined_entry_type *);
1368 . bfd_boolean (*_bfd_coff_print_aux)
1369 . (bfd *, FILE *, combined_entry_type *, combined_entry_type *,
1370 . combined_entry_type *, unsigned int);
1372 . void (*_bfd_coff_reloc16_extra_cases)
1373 . (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
1374 . bfd_byte *, unsigned int *, unsigned int *);
1376 . int (*_bfd_coff_reloc16_estimate)
1377 . (bfd *, asection *, arelent *, unsigned int,
1378 . struct bfd_link_info *);
1380 . enum coff_symbol_classification (*_bfd_coff_classify_symbol)
1381 . (bfd *, struct internal_syment *);
1383 . bfd_boolean (*_bfd_coff_compute_section_file_positions)
1386 . bfd_boolean (*_bfd_coff_start_final_link)
1387 . (bfd *, struct bfd_link_info *);
1389 . bfd_boolean (*_bfd_coff_relocate_section)
1390 . (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
1391 . struct internal_reloc *, struct internal_syment *, asection **);
1393 . reloc_howto_type *(*_bfd_coff_rtype_to_howto)
1394 . (bfd *, asection *, struct internal_reloc *,
1395 . struct coff_link_hash_entry *, struct internal_syment *,
1398 . bfd_boolean (*_bfd_coff_adjust_symndx)
1399 . (bfd *, struct bfd_link_info *, bfd *, asection *,
1400 . struct internal_reloc *, bfd_boolean *);
1402 . bfd_boolean (*_bfd_coff_link_add_one_symbol)
1403 . (struct bfd_link_info *, bfd *, const char *, flagword,
1404 . asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean,
1405 . struct bfd_link_hash_entry **);
1407 . bfd_boolean (*_bfd_coff_link_output_has_begun)
1408 . (bfd *, struct coff_final_link_info *);
1410 . bfd_boolean (*_bfd_coff_final_link_postscript)
1411 . (bfd *, struct coff_final_link_info *);
1413 . bfd_boolean (*_bfd_coff_print_pdata)
1416 .} bfd_coff_backend_data;
1418 .#define coff_backend_info(abfd) \
1419 . ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
1421 .#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
1422 . ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
1424 .#define bfd_coff_swap_sym_in(a,e,i) \
1425 . ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
1427 .#define bfd_coff_swap_lineno_in(a,e,i) \
1428 . ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
1430 .#define bfd_coff_swap_reloc_out(abfd, i, o) \
1431 . ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
1433 .#define bfd_coff_swap_lineno_out(abfd, i, o) \
1434 . ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
1436 .#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
1437 . ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
1439 .#define bfd_coff_swap_sym_out(abfd, i,o) \
1440 . ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
1442 .#define bfd_coff_swap_scnhdr_out(abfd, i,o) \
1443 . ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
1445 .#define bfd_coff_swap_filehdr_out(abfd, i,o) \
1446 . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
1448 .#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
1449 . ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
1451 .#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
1452 .#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
1453 .#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
1454 .#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
1455 .#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
1456 .#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
1457 .#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
1458 .#define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
1459 .#define bfd_coff_long_filenames(abfd) \
1460 . (coff_backend_info (abfd)->_bfd_coff_long_filenames)
1461 .#define bfd_coff_long_section_names(abfd) \
1462 . (coff_backend_info (abfd)->_bfd_coff_long_section_names)
1463 .#define bfd_coff_set_long_section_names(abfd, enable) \
1464 . ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable))
1465 .#define bfd_coff_default_section_alignment_power(abfd) \
1466 . (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
1467 .#define bfd_coff_swap_filehdr_in(abfd, i,o) \
1468 . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
1470 .#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
1471 . ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
1473 .#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
1474 . ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
1476 .#define bfd_coff_swap_reloc_in(abfd, i, o) \
1477 . ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
1479 .#define bfd_coff_bad_format_hook(abfd, filehdr) \
1480 . ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
1482 .#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
1483 . ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
1484 .#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
1485 . ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\
1486 . (abfd, filehdr, aouthdr))
1488 .#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\
1489 . ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
1490 . (abfd, scnhdr, name, section, flags_ptr))
1492 .#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
1493 . ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
1495 .#define bfd_coff_slurp_symbol_table(abfd)\
1496 . ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
1498 .#define bfd_coff_symname_in_debug(abfd, sym)\
1499 . ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
1501 .#define bfd_coff_force_symnames_in_strings(abfd)\
1502 . (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings)
1504 .#define bfd_coff_debug_string_prefix_length(abfd)\
1505 . (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length)
1507 .#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
1508 . ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
1509 . (abfd, file, base, symbol, aux, indaux))
1511 .#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\
1512 . reloc, data, src_ptr, dst_ptr)\
1513 . ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
1514 . (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
1516 .#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
1517 . ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
1518 . (abfd, section, reloc, shrink, link_info))
1520 .#define bfd_coff_classify_symbol(abfd, sym)\
1521 . ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
1524 .#define bfd_coff_compute_section_file_positions(abfd)\
1525 . ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
1528 .#define bfd_coff_start_final_link(obfd, info)\
1529 . ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
1531 .#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
1532 . ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
1533 . (obfd, info, ibfd, o, con, rel, isyms, secs))
1534 .#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
1535 . ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
1536 . (abfd, sec, rel, h, sym, addendp))
1537 .#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
1538 . ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
1539 . (obfd, info, ibfd, sec, rel, adjustedp))
1540 .#define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\
1541 . value, string, cp, coll, hashp)\
1542 . ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
1543 . (info, abfd, name, flags, section, value, string, cp, coll, hashp))
1545 .#define bfd_coff_link_output_has_begun(a,p) \
1546 . ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p))
1547 .#define bfd_coff_final_link_postscript(a,p) \
1548 . ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p))
1550 .#define bfd_coff_have_print_pdata(a) \
1551 . (coff_backend_info (a)->_bfd_coff_print_pdata)
1552 .#define bfd_coff_print_pdata(a,p) \
1553 . ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p))
1557 /* See whether the magic number matches. */
1560 coff_bad_format_hook (bfd * abfd ATTRIBUTE_UNUSED, void * filehdr)
1562 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1564 if (BADMAG (*internal_f))
1567 /* If the optional header is NULL or not the correct size then
1568 quit; the only difference I can see between m88k dgux headers (MC88DMAGIC)
1569 and Intel 960 readwrite headers (I960WRMAGIC) is that the
1570 optional header is of a different size.
1572 But the mips keeps extra stuff in it's opthdr, so dont check
1575 #if defined(M88) || defined(I960)
1576 if (internal_f->f_opthdr != 0 && bfd_coff_aoutsz (abfd) != internal_f->f_opthdr)
1585 ticoff0_bad_format_hook (bfd *abfd ATTRIBUTE_UNUSED, void * filehdr)
1587 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1589 if (COFF0_BADMAG (*internal_f))
1598 ticoff1_bad_format_hook (bfd *abfd ATTRIBUTE_UNUSED, void * filehdr)
1600 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1602 if (COFF1_BADMAG (*internal_f))
1609 /* Check whether this section uses an alignment other than the
1613 coff_set_custom_section_alignment (bfd *abfd ATTRIBUTE_UNUSED,
1615 const struct coff_section_alignment_entry *alignment_table,
1616 const unsigned int table_size)
1618 const unsigned int default_alignment = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
1621 for (i = 0; i < table_size; ++i)
1623 const char *secname = bfd_get_section_name (abfd, section);
1625 if (alignment_table[i].comparison_length == (unsigned int) -1
1626 ? strcmp (alignment_table[i].name, secname) == 0
1627 : strncmp (alignment_table[i].name, secname,
1628 alignment_table[i].comparison_length) == 0)
1631 if (i >= table_size)
1634 if (alignment_table[i].default_alignment_min != COFF_ALIGNMENT_FIELD_EMPTY
1635 && default_alignment < alignment_table[i].default_alignment_min)
1638 if (alignment_table[i].default_alignment_max != COFF_ALIGNMENT_FIELD_EMPTY
1639 #if COFF_DEFAULT_SECTION_ALIGNMENT_POWER != 0
1640 && default_alignment > alignment_table[i].default_alignment_max
1645 section->alignment_power = alignment_table[i].alignment_power;
1648 /* Custom section alignment records. */
1650 static const struct coff_section_alignment_entry
1651 coff_section_alignment_table[] =
1653 #ifdef COFF_SECTION_ALIGNMENT_ENTRIES
1654 COFF_SECTION_ALIGNMENT_ENTRIES,
1656 /* There must not be any gaps between .stabstr sections. */
1657 { COFF_SECTION_NAME_PARTIAL_MATCH (".stabstr"),
1658 1, COFF_ALIGNMENT_FIELD_EMPTY, 0 },
1659 /* The .stab section must be aligned to 2**2 at most, to avoid gaps. */
1660 { COFF_SECTION_NAME_PARTIAL_MATCH (".stab"),
1661 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 },
1662 /* Similarly for the .ctors and .dtors sections. */
1663 { COFF_SECTION_NAME_EXACT_MATCH (".ctors"),
1664 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 },
1665 { COFF_SECTION_NAME_EXACT_MATCH (".dtors"),
1666 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 }
1669 static const unsigned int coff_section_alignment_table_size =
1670 sizeof coff_section_alignment_table / sizeof coff_section_alignment_table[0];
1672 /* Initialize a section structure with information peculiar to this
1673 particular implementation of COFF. */
1676 coff_new_section_hook (bfd * abfd, asection * section)
1678 combined_entry_type *native;
1681 section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
1684 if (bfd_xcoff_text_align_power (abfd) != 0
1685 && strcmp (bfd_get_section_name (abfd, section), ".text") == 0)
1686 section->alignment_power = bfd_xcoff_text_align_power (abfd);
1687 if (bfd_xcoff_data_align_power (abfd) != 0
1688 && strcmp (bfd_get_section_name (abfd, section), ".data") == 0)
1689 section->alignment_power = bfd_xcoff_data_align_power (abfd);
1692 /* Set up the section symbol. */
1693 if (!_bfd_generic_new_section_hook (abfd, section))
1696 /* Allocate aux records for section symbols, to store size and
1699 @@ The 10 is a guess at a plausible maximum number of aux entries
1700 (but shouldn't be a constant). */
1701 amt = sizeof (combined_entry_type) * 10;
1702 native = bfd_zalloc (abfd, amt);
1706 /* We don't need to set up n_name, n_value, or n_scnum in the native
1707 symbol information, since they'll be overridden by the BFD symbol
1708 anyhow. However, we do need to set the type and storage class,
1709 in case this symbol winds up getting written out. The value 0
1710 for n_numaux is already correct. */
1712 native->u.syment.n_type = T_NULL;
1713 native->u.syment.n_sclass = C_STAT;
1715 coffsymbol (section->symbol)->native = native;
1717 coff_set_custom_section_alignment (abfd, section,
1718 coff_section_alignment_table,
1719 coff_section_alignment_table_size);
1724 #ifdef COFF_ALIGN_IN_SECTION_HEADER
1726 /* Set the alignment of a BFD section. */
1729 coff_set_alignment_hook (bfd * abfd ATTRIBUTE_UNUSED,
1733 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
1737 /* Extract ALIGN from 2**ALIGN stored in section header. */
1738 for (i = 0; i < 32; i++)
1739 if ((1 << i) >= hdr->s_align)
1743 /* TI tools puts the alignment power in bits 8-11. */
1744 i = (hdr->s_flags >> 8) & 0xF ;
1746 #ifdef COFF_DECODE_ALIGNMENT
1747 i = COFF_DECODE_ALIGNMENT(hdr->s_flags);
1749 section->alignment_power = i;
1751 #ifdef coff_set_section_load_page
1752 coff_set_section_load_page (section, hdr->s_page);
1756 #else /* ! COFF_ALIGN_IN_SECTION_HEADER */
1760 coff_set_alignment_hook (bfd * abfd ATTRIBUTE_UNUSED,
1764 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
1766 unsigned int alignment_power_const
1767 = hdr->s_flags & IMAGE_SCN_ALIGN_POWER_BIT_MASK;
1769 switch (alignment_power_const)
1771 case IMAGE_SCN_ALIGN_8192BYTES:
1772 case IMAGE_SCN_ALIGN_4096BYTES:
1773 case IMAGE_SCN_ALIGN_2048BYTES:
1774 case IMAGE_SCN_ALIGN_1024BYTES:
1775 case IMAGE_SCN_ALIGN_512BYTES:
1776 case IMAGE_SCN_ALIGN_256BYTES:
1777 case IMAGE_SCN_ALIGN_128BYTES:
1778 case IMAGE_SCN_ALIGN_64BYTES:
1779 case IMAGE_SCN_ALIGN_32BYTES:
1780 case IMAGE_SCN_ALIGN_16BYTES:
1781 case IMAGE_SCN_ALIGN_8BYTES:
1782 case IMAGE_SCN_ALIGN_4BYTES:
1783 case IMAGE_SCN_ALIGN_2BYTES:
1784 case IMAGE_SCN_ALIGN_1BYTES:
1785 section->alignment_power
1786 = IMAGE_SCN_ALIGN_POWER_NUM (alignment_power_const);
1792 /* In a PE image file, the s_paddr field holds the virtual size of a
1793 section, while the s_size field holds the raw size. We also keep
1794 the original section flag value, since not every bit can be
1795 mapped onto a generic BFD section bit. */
1796 if (coff_section_data (abfd, section) == NULL)
1798 amt = sizeof (struct coff_section_tdata);
1799 section->used_by_bfd = bfd_zalloc (abfd, amt);
1800 if (section->used_by_bfd == NULL)
1801 /* FIXME: Return error. */
1805 if (pei_section_data (abfd, section) == NULL)
1807 amt = sizeof (struct pei_section_tdata);
1808 coff_section_data (abfd, section)->tdata = bfd_zalloc (abfd, amt);
1809 if (coff_section_data (abfd, section)->tdata == NULL)
1810 /* FIXME: Return error. */
1813 pei_section_data (abfd, section)->virt_size = hdr->s_paddr;
1814 pei_section_data (abfd, section)->pe_flags = hdr->s_flags;
1816 section->lma = hdr->s_vaddr;
1818 /* Check for extended relocs. */
1819 if (hdr->s_flags & IMAGE_SCN_LNK_NRELOC_OVFL)
1821 struct external_reloc dst;
1822 struct internal_reloc n;
1823 file_ptr oldpos = bfd_tell (abfd);
1824 bfd_size_type relsz = bfd_coff_relsz (abfd);
1826 bfd_seek (abfd, (file_ptr) hdr->s_relptr, 0);
1827 if (bfd_bread (& dst, relsz, abfd) != relsz)
1830 coff_swap_reloc_in (abfd, &dst, &n);
1831 bfd_seek (abfd, oldpos, 0);
1832 section->reloc_count = hdr->s_nreloc = n.r_vaddr - 1;
1833 section->rel_filepos += relsz;
1835 else if (hdr->s_nreloc == 0xffff)
1836 (*_bfd_error_handler)
1837 ("%s: warning: claims to have 0xffff relocs, without overflow",
1838 bfd_get_filename (abfd));
1841 #undef ELIFALIGN_SET
1843 #else /* ! COFF_WITH_PE */
1846 /* We grossly abuse this function to handle XCOFF overflow headers.
1847 When we see one, we correct the reloc and line number counts in the
1848 real header, and remove the section we just created. */
1851 coff_set_alignment_hook (bfd *abfd, asection *section, void * scnhdr)
1853 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
1856 if ((hdr->s_flags & STYP_OVRFLO) == 0)
1859 real_sec = coff_section_from_bfd_index (abfd, (int) hdr->s_nreloc);
1860 if (real_sec == NULL)
1863 real_sec->reloc_count = hdr->s_paddr;
1864 real_sec->lineno_count = hdr->s_vaddr;
1866 if (!bfd_section_removed_from_list (abfd, section))
1868 bfd_section_list_remove (abfd, section);
1869 --abfd->section_count;
1873 #else /* ! RS6000COFF_C */
1875 #define coff_set_alignment_hook \
1876 ((void (*) (bfd *, asection *, void *)) bfd_void)
1878 #endif /* ! RS6000COFF_C */
1879 #endif /* ! COFF_WITH_PE */
1880 #endif /* ! COFF_ALIGN_IN_SECTION_HEADER */
1882 #ifndef coff_mkobject
1885 coff_mkobject (bfd * abfd)
1887 coff_data_type *coff;
1888 bfd_size_type amt = sizeof (coff_data_type);
1890 abfd->tdata.coff_obj_data = bfd_zalloc (abfd, amt);
1891 if (abfd->tdata.coff_obj_data == NULL)
1893 coff = coff_data (abfd);
1894 coff->symbols = NULL;
1895 coff->conversion_table = NULL;
1896 coff->raw_syments = NULL;
1897 coff->relocbase = 0;
1898 coff->local_toc_sym_map = 0;
1900 /* make_abs_section(abfd);*/
1906 /* Create the COFF backend specific information. */
1908 #ifndef coff_mkobject_hook
1910 coff_mkobject_hook (bfd * abfd,
1912 void * aouthdr ATTRIBUTE_UNUSED)
1914 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1915 coff_data_type *coff;
1917 if (! coff_mkobject (abfd))
1920 coff = coff_data (abfd);
1922 coff->sym_filepos = internal_f->f_symptr;
1924 /* These members communicate important constants about the symbol
1925 table to GDB's symbol-reading code. These `constants'
1926 unfortunately vary among coff implementations... */
1927 coff->local_n_btmask = N_BTMASK;
1928 coff->local_n_btshft = N_BTSHFT;
1929 coff->local_n_tmask = N_TMASK;
1930 coff->local_n_tshift = N_TSHIFT;
1931 coff->local_symesz = bfd_coff_symesz (abfd);
1932 coff->local_auxesz = bfd_coff_auxesz (abfd);
1933 coff->local_linesz = bfd_coff_linesz (abfd);
1935 coff->timestamp = internal_f->f_timdat;
1937 obj_raw_syment_count (abfd) =
1938 obj_conv_table_size (abfd) =
1939 internal_f->f_nsyms;
1942 if ((internal_f->f_flags & F_SHROBJ) != 0)
1943 abfd->flags |= DYNAMIC;
1944 if (aouthdr != NULL && internal_f->f_opthdr >= bfd_coff_aoutsz (abfd))
1946 struct internal_aouthdr *internal_a =
1947 (struct internal_aouthdr *) aouthdr;
1948 struct xcoff_tdata *xcoff;
1950 xcoff = xcoff_data (abfd);
1951 # ifdef U803XTOCMAGIC
1952 xcoff->xcoff64 = internal_f->f_magic == U803XTOCMAGIC;
1956 xcoff->full_aouthdr = TRUE;
1957 xcoff->toc = internal_a->o_toc;
1958 xcoff->sntoc = internal_a->o_sntoc;
1959 xcoff->snentry = internal_a->o_snentry;
1960 bfd_xcoff_text_align_power (abfd) = internal_a->o_algntext;
1961 bfd_xcoff_data_align_power (abfd) = internal_a->o_algndata;
1962 xcoff->modtype = internal_a->o_modtype;
1963 xcoff->cputype = internal_a->o_cputype;
1964 xcoff->maxdata = internal_a->o_maxdata;
1965 xcoff->maxstack = internal_a->o_maxstack;
1970 /* Set the flags field from the COFF header read in. */
1971 if (! _bfd_coff_arm_set_private_flags (abfd, internal_f->f_flags))
1976 /* FIXME: I'm not sure this is ever executed, since peicode.h
1977 defines coff_mkobject_hook. */
1978 if ((internal_f->f_flags & IMAGE_FILE_DEBUG_STRIPPED) == 0)
1979 abfd->flags |= HAS_DEBUG;
1986 /* Determine the machine architecture and type. FIXME: This is target
1987 dependent because the magic numbers are defined in the target
1988 dependent header files. But there is no particular need for this.
1989 If the magic numbers were moved to a separate file, this function
1990 would be target independent and would also be much more successful
1991 at linking together COFF files for different architectures. */
1994 coff_set_arch_mach_hook (bfd *abfd, void * filehdr)
1996 unsigned long machine;
1997 enum bfd_architecture arch;
1998 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
2000 /* Zero selects the default machine for an arch. */
2002 switch (internal_f->f_magic)
2004 #ifdef OR32_MAGIC_BIG
2005 case OR32_MAGIC_BIG:
2006 case OR32_MAGIC_LITTLE:
2007 arch = bfd_arch_or32;
2012 arch = bfd_arch_powerpc;
2018 case I386AIXMAGIC: /* Danbury PS/2 AIX C Compiler. */
2019 case LYNXCOFFMAGIC: /* Shadows the m68k Lynx number below, sigh. */
2020 arch = bfd_arch_i386;
2025 arch = bfd_arch_i386;
2026 machine = bfd_mach_x86_64;
2031 arch = bfd_arch_ia64;
2038 arch = bfd_arch_arm;
2039 machine = bfd_arm_get_mach_from_notes (abfd, ARM_NOTE_SECTION);
2040 if (machine == bfd_mach_arm_unknown)
2042 switch (internal_f->f_flags & F_ARM_ARCHITECTURE_MASK)
2044 case F_ARM_2: machine = bfd_mach_arm_2; break;
2045 case F_ARM_2a: machine = bfd_mach_arm_2a; break;
2046 case F_ARM_3: machine = bfd_mach_arm_3; break;
2048 case F_ARM_3M: machine = bfd_mach_arm_3M; break;
2049 case F_ARM_4: machine = bfd_mach_arm_4; break;
2050 case F_ARM_4T: machine = bfd_mach_arm_4T; break;
2051 /* The COFF header does not have enough bits available
2052 to cover all the different ARM architectures. So
2053 we interpret F_ARM_5, the highest flag value to mean
2054 "the highest ARM architecture known to BFD" which is
2055 currently the XScale. */
2056 case F_ARM_5: machine = bfd_mach_arm_XScale; break;
2064 #ifdef MC68KBCSMAGIC
2067 #ifdef APOLLOM68KMAGIC
2068 case APOLLOM68KMAGIC:
2070 #ifdef LYNXCOFFMAGIC
2073 arch = bfd_arch_m68k;
2074 machine = bfd_mach_m68020;
2079 arch = bfd_arch_maxq;
2080 switch (internal_f->f_flags & F_MACHMASK)
2083 machine = bfd_mach_maxq10;
2086 machine = bfd_mach_maxq20;
2097 arch = bfd_arch_m88k;
2103 arch = bfd_arch_z80;
2104 switch (internal_f->f_flags & F_MACHMASK)
2107 case bfd_mach_z80strict << 12:
2108 case bfd_mach_z80 << 12:
2109 case bfd_mach_z80full << 12:
2110 case bfd_mach_r800 << 12:
2111 machine = ((unsigned)internal_f->f_flags & F_MACHMASK) >> 12;
2120 arch = bfd_arch_z8k;
2121 switch (internal_f->f_flags & F_MACHMASK)
2124 machine = bfd_mach_z8001;
2127 machine = bfd_mach_z8002;
2136 arch = bfd_arch_i860;
2143 arch = bfd_arch_i960;
2144 switch (F_I960TYPE & internal_f->f_flags)
2148 machine = bfd_mach_i960_core;
2151 machine = bfd_mach_i960_kb_sb;
2154 machine = bfd_mach_i960_mc;
2157 machine = bfd_mach_i960_xa;
2160 machine = bfd_mach_i960_ca;
2163 machine = bfd_mach_i960_ka_sa;
2166 machine = bfd_mach_i960_jx;
2169 machine = bfd_mach_i960_hx;
2188 if (xcoff_data (abfd)->cputype != -1)
2189 cputype = xcoff_data (abfd)->cputype & 0xff;
2192 /* We did not get a value from the a.out header. If the
2193 file has not been stripped, we may be able to get the
2194 architecture information from the first symbol, if it
2195 is a .file symbol. */
2196 if (obj_raw_syment_count (abfd) == 0)
2201 struct internal_syment sym;
2202 bfd_size_type amt = bfd_coff_symesz (abfd);
2204 buf = bfd_malloc (amt);
2205 if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
2206 || bfd_bread (buf, amt, abfd) != amt)
2211 bfd_coff_swap_sym_in (abfd, buf, & sym);
2212 if (sym.n_sclass == C_FILE)
2213 cputype = sym.n_type & 0xff;
2220 /* FIXME: We don't handle all cases here. */
2225 arch = bfd_xcoff_architecture (abfd);
2226 machine = bfd_xcoff_machine (abfd);
2230 arch = bfd_arch_powerpc;
2231 machine = bfd_mach_ppc_601;
2233 case 2: /* 64 bit PowerPC */
2234 arch = bfd_arch_powerpc;
2235 machine = bfd_mach_ppc_620;
2238 arch = bfd_arch_powerpc;
2239 machine = bfd_mach_ppc;
2242 arch = bfd_arch_rs6000;
2243 machine = bfd_mach_rs6k;
2252 arch = bfd_arch_we32k;
2258 arch = bfd_arch_h8300;
2259 machine = bfd_mach_h8300;
2260 /* !! FIXME this probably isn't the right place for this. */
2261 abfd->flags |= BFD_IS_RELAXABLE;
2267 arch = bfd_arch_h8300;
2268 machine = bfd_mach_h8300h;
2269 /* !! FIXME this probably isn't the right place for this. */
2270 abfd->flags |= BFD_IS_RELAXABLE;
2276 arch = bfd_arch_h8300;
2277 machine = bfd_mach_h8300s;
2278 /* !! FIXME this probably isn't the right place for this. */
2279 abfd->flags |= BFD_IS_RELAXABLE;
2285 arch = bfd_arch_h8300;
2286 machine = bfd_mach_h8300hn;
2287 /* !! FIXME this probably isn't the right place for this. */
2288 abfd->flags |= BFD_IS_RELAXABLE;
2294 arch = bfd_arch_h8300;
2295 machine = bfd_mach_h8300sn;
2296 /* !! FIXME this probably isn't the right place for this. */
2297 abfd->flags |= BFD_IS_RELAXABLE;
2301 #ifdef SH_ARCH_MAGIC_BIG
2302 case SH_ARCH_MAGIC_BIG:
2303 case SH_ARCH_MAGIC_LITTLE:
2305 case SH_ARCH_MAGIC_WINCE:
2311 #ifdef MIPS_ARCH_MAGIC_WINCE
2312 case MIPS_ARCH_MAGIC_WINCE:
2313 arch = bfd_arch_mips;
2319 arch = bfd_arch_h8500;
2325 #ifdef LYNXCOFFMAGIC
2328 arch = bfd_arch_sparc;
2334 arch = bfd_arch_tic30;
2339 #ifdef TICOFF_TARGET_ARCH
2340 /* This TI COFF section should be used by all new TI COFF v0 targets. */
2342 arch = TICOFF_TARGET_ARCH;
2343 machine = TICOFF_TARGET_MACHINE_GET (internal_f->f_flags);
2349 /* This TI COFF section should be used by all new TI COFF v1/2 targets. */
2350 /* TI COFF1 and COFF2 use the target_id field to specify which arch. */
2353 switch (internal_f->f_target_id)
2357 arch = TICOFF_TARGET_ARCH;
2358 machine = TICOFF_TARGET_MACHINE_GET (internal_f->f_flags);
2362 arch = bfd_arch_obscure;
2363 (*_bfd_error_handler)
2364 (_("Unrecognized TI COFF target id '0x%x'"),
2365 internal_f->f_target_id);
2371 #ifdef TIC80_ARCH_MAGIC
2372 case TIC80_ARCH_MAGIC:
2373 arch = bfd_arch_tic80;
2379 arch = bfd_arch_mcore;
2385 arch = bfd_arch_w65;
2389 default: /* Unreadable input file type. */
2390 arch = bfd_arch_obscure;
2394 bfd_default_set_arch_mach (abfd, arch, machine);
2398 #ifdef SYMNAME_IN_DEBUG
2401 symname_in_debug_hook (bfd * abfd ATTRIBUTE_UNUSED, struct internal_syment *sym)
2403 return SYMNAME_IN_DEBUG (sym) != 0;
2408 #define symname_in_debug_hook \
2409 (bfd_boolean (*) (bfd *, struct internal_syment *)) bfd_false
2416 #define FORCE_SYMNAMES_IN_STRINGS
2419 /* Handle the csect auxent of a C_EXT, C_AIX_WEAKEXT or C_HIDEXT symbol. */
2422 coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED,
2423 combined_entry_type *table_base,
2424 combined_entry_type *symbol,
2425 unsigned int indaux,
2426 combined_entry_type *aux)
2428 int class = symbol->u.syment.n_sclass;
2430 if (CSECT_SYM_P (class)
2431 && indaux + 1 == symbol->u.syment.n_numaux)
2433 if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) == XTY_LD)
2435 aux->u.auxent.x_csect.x_scnlen.p =
2436 table_base + aux->u.auxent.x_csect.x_scnlen.l;
2437 aux->fix_scnlen = 1;
2440 /* Return TRUE to indicate that the caller should not do any
2441 further work on this auxent. */
2445 /* Return FALSE to indicate that this auxent should be handled by
2453 /* We don't want to pointerize bal entries. */
2456 coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED,
2457 combined_entry_type *table_base ATTRIBUTE_UNUSED,
2458 combined_entry_type *symbol,
2459 unsigned int indaux,
2460 combined_entry_type *aux ATTRIBUTE_UNUSED)
2462 /* Return TRUE if we don't want to pointerize this aux entry, which
2463 is the case for the lastfirst aux entry for a C_LEAFPROC symbol. */
2465 && (symbol->u.syment.n_sclass == C_LEAFPROC
2466 || symbol->u.syment.n_sclass == C_LEAFSTAT
2467 || symbol->u.syment.n_sclass == C_LEAFEXT));
2472 #define coff_pointerize_aux_hook 0
2475 #endif /* ! RS6000COFF_C */
2477 /* Print an aux entry. This returns TRUE if it has printed it. */
2480 coff_print_aux (bfd *abfd ATTRIBUTE_UNUSED,
2481 FILE *file ATTRIBUTE_UNUSED,
2482 combined_entry_type *table_base ATTRIBUTE_UNUSED,
2483 combined_entry_type *symbol ATTRIBUTE_UNUSED,
2484 combined_entry_type *aux ATTRIBUTE_UNUSED,
2485 unsigned int indaux ATTRIBUTE_UNUSED)
2488 if (CSECT_SYM_P (symbol->u.syment.n_sclass)
2489 && indaux + 1 == symbol->u.syment.n_numaux)
2491 /* This is a csect entry. */
2492 fprintf (file, "AUX ");
2493 if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) != XTY_LD)
2495 BFD_ASSERT (! aux->fix_scnlen);
2497 fprintf (file, "val %5lld",
2498 (long long) aux->u.auxent.x_csect.x_scnlen.l);
2500 fprintf (file, "val %5ld", (long) aux->u.auxent.x_csect.x_scnlen.l);
2505 fprintf (file, "indx ");
2506 if (! aux->fix_scnlen)
2508 fprintf (file, "%4lld",
2509 (long long) aux->u.auxent.x_csect.x_scnlen.l);
2511 fprintf (file, "%4ld", (long) aux->u.auxent.x_csect.x_scnlen.l);
2514 fprintf (file, "%4ld",
2515 (long) (aux->u.auxent.x_csect.x_scnlen.p - table_base));
2518 " prmhsh %ld snhsh %u typ %d algn %d clss %u stb %ld snstb %u",
2519 aux->u.auxent.x_csect.x_parmhash,
2520 (unsigned int) aux->u.auxent.x_csect.x_snhash,
2521 SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp),
2522 SMTYP_ALIGN (aux->u.auxent.x_csect.x_smtyp),
2523 (unsigned int) aux->u.auxent.x_csect.x_smclas,
2524 aux->u.auxent.x_csect.x_stab,
2525 (unsigned int) aux->u.auxent.x_csect.x_snstab);
2530 /* Return FALSE to indicate that no special action was taken. */
2538 To write relocations, the back end steps though the
2539 canonical relocation table and create an
2540 @code{internal_reloc}. The symbol index to use is removed from
2541 the @code{offset} field in the symbol table supplied. The
2542 address comes directly from the sum of the section base
2543 address and the relocation offset; the type is dug directly
2544 from the howto field. Then the @code{internal_reloc} is
2545 swapped into the shape of an @code{external_reloc} and written
2553 /* AUX's ld wants relocations to be sorted. */
2555 compare_arelent_ptr (const void * x, const void * y)
2557 const arelent **a = (const arelent **) x;
2558 const arelent **b = (const arelent **) y;
2559 bfd_size_type aadr = (*a)->address;
2560 bfd_size_type badr = (*b)->address;
2562 return (aadr < badr ? -1 : badr < aadr ? 1 : 0);
2565 #endif /* TARG_AUX */
2568 coff_write_relocs (bfd * abfd, int first_undef)
2572 for (s = abfd->sections; s != NULL; s = s->next)
2575 struct external_reloc dst;
2582 /* Sort relocations before we write them out. */
2585 amt = s->reloc_count;
2586 amt *= sizeof (arelent *);
2587 p = bfd_malloc (amt);
2588 if (p == NULL && s->reloc_count > 0)
2590 memcpy (p, s->orelocation, (size_t) amt);
2591 qsort (p, s->reloc_count, sizeof (arelent *), compare_arelent_ptr);
2595 if (bfd_seek (abfd, s->rel_filepos, SEEK_SET) != 0)
2599 if (obj_pe (abfd) && s->reloc_count >= 0xffff)
2601 /* Encode real count here as first reloc. */
2602 struct internal_reloc n;
2604 memset (& n, 0, sizeof (n));
2605 /* Add one to count *this* reloc (grr). */
2606 n.r_vaddr = s->reloc_count + 1;
2607 coff_swap_reloc_out (abfd, &n, &dst);
2608 if (bfd_bwrite (& dst, (bfd_size_type) bfd_coff_relsz (abfd),
2609 abfd) != bfd_coff_relsz (abfd))
2614 for (i = 0; i < s->reloc_count; i++)
2616 struct internal_reloc n;
2619 memset (& n, 0, sizeof (n));
2621 /* Now we've renumbered the symbols we know where the
2622 undefined symbols live in the table. Check the reloc
2623 entries for symbols who's output bfd isn't the right one.
2624 This is because the symbol was undefined (which means
2625 that all the pointers are never made to point to the same
2626 place). This is a bad thing,'cause the symbols attached
2627 to the output bfd are indexed, so that the relocation
2628 entries know which symbol index they point to. So we
2629 have to look up the output symbol here. */
2631 if (q->sym_ptr_ptr[0]->the_bfd != abfd)
2634 const char *sname = q->sym_ptr_ptr[0]->name;
2635 asymbol **outsyms = abfd->outsymbols;
2637 for (j = first_undef; outsyms[j]; j++)
2639 const char *intable = outsyms[j]->name;
2641 if (strcmp (intable, sname) == 0)
2643 /* Got a hit, so repoint the reloc. */
2644 q->sym_ptr_ptr = outsyms + j;
2650 n.r_vaddr = q->address + s->vma;
2653 /* The 29k const/consth reloc pair is a real kludge. The consth
2654 part doesn't have a symbol; it has an offset. So rebuilt
2656 if (q->howto->type == R_IHCONST)
2657 n.r_symndx = q->addend;
2662 #ifdef SECTION_RELATIVE_ABSOLUTE_SYMBOL_P
2663 if (SECTION_RELATIVE_ABSOLUTE_SYMBOL_P (q, s))
2665 if ((*q->sym_ptr_ptr)->section == bfd_abs_section_ptr
2666 && ((*q->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0)
2668 /* This is a relocation relative to the absolute symbol. */
2672 n.r_symndx = get_index ((*(q->sym_ptr_ptr)));
2673 /* Check to see if the symbol reloc points to a symbol
2674 we don't have in our symbol table. */
2675 if (n.r_symndx > obj_conv_table_size (abfd))
2677 bfd_set_error (bfd_error_bad_value);
2678 _bfd_error_handler (_("%B: reloc against a non-existant symbol index: %ld"),
2685 #ifdef SWAP_OUT_RELOC_OFFSET
2686 n.r_offset = q->addend;
2690 /* Work out reloc type from what is required. */
2691 SELECT_RELOC (n, q->howto);
2693 n.r_type = q->howto->type;
2695 coff_swap_reloc_out (abfd, &n, &dst);
2697 if (bfd_bwrite (& dst, (bfd_size_type) bfd_coff_relsz (abfd),
2698 abfd) != bfd_coff_relsz (abfd))
2711 /* Set flags and magic number of a coff file from architecture and machine
2712 type. Result is TRUE if we can represent the arch&type, FALSE if not. */
2715 coff_set_flags (bfd * abfd,
2716 unsigned int *magicp ATTRIBUTE_UNUSED,
2717 unsigned short *flagsp ATTRIBUTE_UNUSED)
2719 switch (bfd_get_arch (abfd))
2724 switch (bfd_get_mach (abfd))
2727 case bfd_mach_z80strict:
2729 case bfd_mach_z80full:
2731 *flagsp = bfd_get_mach (abfd) << 12;
2743 switch (bfd_get_mach (abfd))
2745 case bfd_mach_z8001: *flagsp = F_Z8001; break;
2746 case bfd_mach_z8002: *flagsp = F_Z8002; break;
2747 default: return FALSE;
2758 *magicp = I960ROMAGIC;
2760 switch (bfd_get_mach (abfd))
2762 case bfd_mach_i960_core: flags = F_I960CORE; break;
2763 case bfd_mach_i960_kb_sb: flags = F_I960KB; break;
2764 case bfd_mach_i960_mc: flags = F_I960MC; break;
2765 case bfd_mach_i960_xa: flags = F_I960XA; break;
2766 case bfd_mach_i960_ca: flags = F_I960CA; break;
2767 case bfd_mach_i960_ka_sa: flags = F_I960KA; break;
2768 case bfd_mach_i960_jx: flags = F_I960JX; break;
2769 case bfd_mach_i960_hx: flags = F_I960HX; break;
2770 default: return FALSE;
2779 case bfd_arch_tic30:
2780 *magicp = TIC30MAGIC;
2784 #ifdef TICOFF_DEFAULT_MAGIC
2785 case TICOFF_TARGET_ARCH:
2786 /* If there's no indication of which version we want, use the default. */
2788 *magicp = TICOFF_DEFAULT_MAGIC;
2791 /* We may want to output in a different COFF version. */
2792 switch (abfd->xvec->name[4])
2795 *magicp = TICOFF0MAGIC;
2798 *magicp = TICOFF1MAGIC;
2801 *magicp = TICOFF2MAGIC;
2807 TICOFF_TARGET_MACHINE_SET (flagsp, bfd_get_mach (abfd));
2811 #ifdef TIC80_ARCH_MAGIC
2812 case bfd_arch_tic80:
2813 *magicp = TIC80_ARCH_MAGIC;
2820 * magicp = ARMPEMAGIC;
2822 * magicp = ARMMAGIC;
2825 if (APCS_SET (abfd))
2827 if (APCS_26_FLAG (abfd))
2828 * flagsp |= F_APCS26;
2830 if (APCS_FLOAT_FLAG (abfd))
2831 * flagsp |= F_APCS_FLOAT;
2833 if (PIC_FLAG (abfd))
2836 if (INTERWORK_SET (abfd) && INTERWORK_FLAG (abfd))
2837 * flagsp |= F_INTERWORK;
2838 switch (bfd_get_mach (abfd))
2840 case bfd_mach_arm_2: * flagsp |= F_ARM_2; break;
2841 case bfd_mach_arm_2a: * flagsp |= F_ARM_2a; break;
2842 case bfd_mach_arm_3: * flagsp |= F_ARM_3; break;
2843 case bfd_mach_arm_3M: * flagsp |= F_ARM_3M; break;
2844 case bfd_mach_arm_4: * flagsp |= F_ARM_4; break;
2845 case bfd_mach_arm_4T: * flagsp |= F_ARM_4T; break;
2846 case bfd_mach_arm_5: * flagsp |= F_ARM_5; break;
2847 /* FIXME: we do not have F_ARM vaues greater than F_ARM_5.
2848 See also the comment in coff_set_arch_mach_hook(). */
2849 case bfd_mach_arm_5T: * flagsp |= F_ARM_5; break;
2850 case bfd_mach_arm_5TE: * flagsp |= F_ARM_5; break;
2851 case bfd_mach_arm_XScale: * flagsp |= F_ARM_5; break;
2857 case bfd_arch_powerpc:
2862 #if defined(I386MAGIC) || defined(AMD64MAGIC)
2864 #if defined(I386MAGIC)
2865 *magicp = I386MAGIC;
2868 /* Just overwrite the usual value if we're doing Lynx. */
2869 *magicp = LYNXCOFFMAGIC;
2871 #if defined AMD64MAGIC
2872 *magicp = AMD64MAGIC;
2879 *magicp = I860MAGIC;
2885 *magicp = IA64MAGIC;
2891 #ifdef APOLLOM68KMAGIC
2892 *magicp = APOLLO_COFF_VERSION_NUMBER;
2894 /* NAMES_HAVE_UNDERSCORE may be defined by coff-u68k.c. */
2895 #ifdef NAMES_HAVE_UNDERSCORE
2896 *magicp = MC68KBCSMAGIC;
2898 *magicp = MC68MAGIC;
2902 /* Just overwrite the usual value if we're doing Lynx. */
2903 *magicp = LYNXCOFFMAGIC;
2910 *magicp = MC88OMAGIC;
2915 case bfd_arch_h8300:
2916 switch (bfd_get_mach (abfd))
2918 case bfd_mach_h8300: *magicp = H8300MAGIC; return TRUE;
2919 case bfd_mach_h8300h: *magicp = H8300HMAGIC; return TRUE;
2920 case bfd_mach_h8300s: *magicp = H8300SMAGIC; return TRUE;
2921 case bfd_mach_h8300hn: *magicp = H8300HNMAGIC; return TRUE;
2922 case bfd_mach_h8300sn: *magicp = H8300SNMAGIC; return TRUE;
2928 #ifdef SH_ARCH_MAGIC_BIG
2930 #ifdef COFF_IMAGE_WITH_PE
2931 *magicp = SH_ARCH_MAGIC_WINCE;
2933 if (bfd_big_endian (abfd))
2934 *magicp = SH_ARCH_MAGIC_BIG;
2936 *magicp = SH_ARCH_MAGIC_LITTLE;
2941 #ifdef MIPS_ARCH_MAGIC_WINCE
2943 *magicp = MIPS_ARCH_MAGIC_WINCE;
2948 case bfd_arch_sparc:
2949 *magicp = SPARCMAGIC;
2951 /* Just overwrite the usual value if we're doing Lynx. */
2952 *magicp = LYNXCOFFMAGIC;
2958 case bfd_arch_h8500:
2959 *magicp = H8500MAGIC;
2965 case bfd_arch_we32k:
2966 *magicp = WE32KMAGIC;
2971 case bfd_arch_rs6000:
2973 case bfd_arch_powerpc:
2975 BFD_ASSERT (bfd_get_flavour (abfd) == bfd_target_xcoff_flavour);
2976 *magicp = bfd_xcoff_magic_number (abfd);
2981 case bfd_arch_mcore:
2982 * magicp = MCOREMAGIC;
2992 #ifdef OR32_MAGIC_BIG
2994 if (bfd_big_endian (abfd))
2995 * magicp = OR32_MAGIC_BIG;
2997 * magicp = OR32_MAGIC_LITTLE;
3003 * magicp = MAXQ20MAGIC;
3004 switch (bfd_get_mach (abfd))
3006 case bfd_mach_maxq10: * flagsp = F_MAXQ10; return TRUE;
3007 case bfd_mach_maxq20: * flagsp = F_MAXQ20; return TRUE;
3008 default: return FALSE;
3012 default: /* Unknown architecture. */
3013 /* Fall through to "return FALSE" below, to avoid
3014 "statement never reached" errors on the one below. */
3022 coff_set_arch_mach (bfd * abfd,
3023 enum bfd_architecture arch,
3024 unsigned long machine)
3027 unsigned short dummy2;
3029 if (! bfd_default_set_arch_mach (abfd, arch, machine))
3032 if (arch != bfd_arch_unknown
3033 && ! coff_set_flags (abfd, &dummy1, &dummy2))
3034 return FALSE; /* We can't represent this type. */
3036 return TRUE; /* We're easy... */
3039 #ifdef COFF_IMAGE_WITH_PE
3041 /* This is used to sort sections by VMA, as required by PE image
3045 sort_by_secaddr (const void * arg1, const void * arg2)
3047 const asection *a = *(const asection **) arg1;
3048 const asection *b = *(const asection **) arg2;
3050 if (a->vma < b->vma)
3052 else if (a->vma > b->vma)
3058 #endif /* COFF_IMAGE_WITH_PE */
3060 /* Calculate the file position for each section. */
3063 #define ALIGN_SECTIONS_IN_FILE
3065 #if defined(TIC80COFF) || defined(TICOFF)
3066 #undef ALIGN_SECTIONS_IN_FILE
3070 coff_compute_section_file_positions (bfd * abfd)
3073 asection *previous = NULL;
3074 file_ptr sofar = bfd_coff_filhsz (abfd);
3075 bfd_boolean align_adjust;
3076 #ifdef ALIGN_SECTIONS_IN_FILE
3081 /* On XCOFF, if we have symbols, set up the .debug section. */
3082 if (bfd_get_symcount (abfd) > 0)
3085 bfd_size_type i, symcount;
3089 symcount = bfd_get_symcount (abfd);
3090 for (symp = abfd->outsymbols, i = 0; i < symcount; symp++, i++)
3092 coff_symbol_type *cf;
3094 cf = coff_symbol_from (abfd, *symp);
3096 && cf->native != NULL
3097 && SYMNAME_IN_DEBUG (&cf->native->u.syment))
3101 len = strlen (bfd_asymbol_name (*symp));
3102 if (len > SYMNMLEN || bfd_coff_force_symnames_in_strings (abfd))
3103 sz += len + 1 + bfd_coff_debug_string_prefix_length (abfd);
3110 dsec = bfd_make_section_old_way (abfd, DOT_DEBUG);
3114 dsec->flags |= SEC_HAS_CONTENTS;
3119 #ifdef COFF_IMAGE_WITH_PE
3122 if (coff_data (abfd)->link_info)
3124 page_size = pe_data (abfd)->pe_opthdr.FileAlignment;
3126 /* If no file alignment has been set, default to one.
3127 This repairs 'ld -r' for arm-wince-pe target. */
3132 page_size = PE_DEF_FILE_ALIGNMENT;
3134 #ifdef COFF_PAGE_SIZE
3135 int page_size = COFF_PAGE_SIZE;
3139 if (bfd_get_start_address (abfd))
3140 /* A start address may have been added to the original file. In this
3141 case it will need an optional header to record it. */
3142 abfd->flags |= EXEC_P;
3144 if (abfd->flags & EXEC_P)
3145 sofar += bfd_coff_aoutsz (abfd);
3147 else if (xcoff_data (abfd)->full_aouthdr)
3148 sofar += bfd_coff_aoutsz (abfd);
3150 sofar += SMALL_AOUTSZ;
3153 sofar += abfd->section_count * bfd_coff_scnhsz (abfd);
3156 /* XCOFF handles overflows in the reloc and line number count fields
3157 by allocating a new section header to hold the correct counts. */
3158 for (current = abfd->sections; current != NULL; current = current->next)
3159 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
3160 sofar += bfd_coff_scnhsz (abfd);
3163 #ifdef COFF_IMAGE_WITH_PE
3165 /* PE requires the sections to be in memory order when listed in
3166 the section headers. It also does not like empty loadable
3167 sections. The sections apparently do not have to be in the
3168 right order in the image file itself, but we do need to get the
3169 target_index values right. */
3172 asection **section_list;
3178 for (current = abfd->sections; current != NULL; current = current->next)
3181 /* We allocate an extra cell to simplify the final loop. */
3182 amt = sizeof (struct asection *) * (count + 1);
3183 section_list = bfd_malloc (amt);
3184 if (section_list == NULL)
3188 for (current = abfd->sections; current != NULL; current = current->next)
3190 section_list[i] = current;
3193 section_list[i] = NULL;
3195 qsort (section_list, count, sizeof (asection *), sort_by_secaddr);
3197 /* Rethread the linked list into sorted order; at the same time,
3198 assign target_index values. */
3200 abfd->sections = NULL;
3201 abfd->section_last = NULL;
3202 for (i = 0; i < count; i++)
3204 current = section_list[i];
3205 bfd_section_list_append (abfd, current);
3207 /* Later, if the section has zero size, we'll be throwing it
3208 away, so we don't want to number it now. Note that having
3209 a zero size and having real contents are different
3210 concepts: .bss has no contents, but (usually) non-zero
3212 if (current->size == 0)
3214 /* Discard. However, it still might have (valid) symbols
3215 in it, so arbitrarily set it to section 1 (indexing is
3216 1-based here; usually .text). __end__ and other
3217 contents of .endsection really have this happen.
3218 FIXME: This seems somewhat dubious. */
3219 current->target_index = 1;
3222 current->target_index = target_index++;
3225 free (section_list);
3227 #else /* ! COFF_IMAGE_WITH_PE */
3229 /* Set the target_index field. */
3233 for (current = abfd->sections; current != NULL; current = current->next)
3234 current->target_index = target_index++;
3236 #endif /* ! COFF_IMAGE_WITH_PE */
3238 align_adjust = FALSE;
3239 for (current = abfd->sections;
3241 current = current->next)
3243 #ifdef COFF_IMAGE_WITH_PE
3244 /* With PE we have to pad each section to be a multiple of its
3245 page size too, and remember both sizes. */
3246 if (coff_section_data (abfd, current) == NULL)
3248 bfd_size_type amt = sizeof (struct coff_section_tdata);
3250 current->used_by_bfd = bfd_zalloc (abfd, amt);
3251 if (current->used_by_bfd == NULL)
3254 if (pei_section_data (abfd, current) == NULL)
3256 bfd_size_type amt = sizeof (struct pei_section_tdata);
3258 coff_section_data (abfd, current)->tdata = bfd_zalloc (abfd, amt);
3259 if (coff_section_data (abfd, current)->tdata == NULL)
3262 if (pei_section_data (abfd, current)->virt_size == 0)
3263 pei_section_data (abfd, current)->virt_size = current->size;
3266 /* Only deal with sections which have contents. */
3267 if (!(current->flags & SEC_HAS_CONTENTS))
3270 #ifdef COFF_IMAGE_WITH_PE
3271 /* Make sure we skip empty sections in a PE image. */
3272 if (current->size == 0)
3276 /* Align the sections in the file to the same boundary on
3277 which they are aligned in virtual memory. I960 doesn't
3278 do this (FIXME) so we can stay in sync with Intel. 960
3279 doesn't yet page from files... */
3280 #ifdef ALIGN_SECTIONS_IN_FILE
3281 if ((abfd->flags & EXEC_P) != 0)
3283 /* Make sure this section is aligned on the right boundary - by
3284 padding the previous section up if necessary. */
3288 /* AIX loader checks the text section alignment of (vma - filepos)
3289 So even though the filepos may be aligned wrt the o_algntext, for
3290 AIX executables, this check fails. This shows up when a native
3291 AIX executable is stripped with gnu strip because the default vma
3292 of native is 0x10000150 but default for gnu is 0x10000140. Gnu
3293 stripped gnu excutable passes this check because the filepos is
3294 0x0140. This problem also show up with 64 bit shared objects. The
3295 data section must also be aligned. */
3296 if (!strcmp (current->name, _TEXT)
3297 || !strcmp (current->name, _DATA))
3302 sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
3304 align = 1 << current->alignment_power;
3305 pad = abs (current->vma - sofar) % align;
3316 sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
3319 if (previous != NULL)
3320 previous->size += sofar - old_sofar;
3325 /* In demand paged files the low order bits of the file offset
3326 must match the low order bits of the virtual address. */
3327 #ifdef COFF_PAGE_SIZE
3328 if ((abfd->flags & D_PAGED) != 0
3329 && (current->flags & SEC_ALLOC) != 0)
3330 sofar += (current->vma - (bfd_vma) sofar) % page_size;
3332 current->filepos = sofar;
3334 #ifdef COFF_IMAGE_WITH_PE
3335 /* Set the padded size. */
3336 current->size = (current->size + page_size -1) & -page_size;
3339 sofar += current->size;
3341 #ifdef ALIGN_SECTIONS_IN_FILE
3342 /* Make sure that this section is of the right size too. */
3343 if ((abfd->flags & EXEC_P) == 0)
3345 bfd_size_type old_size;
3347 old_size = current->size;
3348 current->size = BFD_ALIGN (current->size,
3349 1 << current->alignment_power);
3350 align_adjust = current->size != old_size;
3351 sofar += current->size - old_size;
3356 sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
3357 align_adjust = sofar != old_sofar;
3358 current->size += sofar - old_sofar;
3362 #ifdef COFF_IMAGE_WITH_PE
3363 /* For PE we need to make sure we pad out to the aligned
3364 size, in case the caller only writes out data to the
3366 if (pei_section_data (abfd, current)->virt_size < current->size)
3367 align_adjust = TRUE;
3371 /* Force .lib sections to start at zero. The vma is then
3372 incremented in coff_set_section_contents. This is right for
3374 if (strcmp (current->name, _LIB) == 0)
3375 bfd_set_section_vma (abfd, current, 0);
3381 /* It is now safe to write to the output file. If we needed an
3382 alignment adjustment for the last section, then make sure that
3383 there is a byte at offset sofar. If there are no symbols and no
3384 relocs, then nothing follows the last section. If we don't force
3385 the last byte out, then the file may appear to be truncated. */
3391 if (bfd_seek (abfd, sofar - 1, SEEK_SET) != 0
3392 || bfd_bwrite (&b, (bfd_size_type) 1, abfd) != 1)
3396 /* Make sure the relocations are aligned. We don't need to make
3397 sure that this byte exists, because it will only matter if there
3398 really are relocs. */
3399 sofar = BFD_ALIGN (sofar, 1 << COFF_DEFAULT_SECTION_ALIGNMENT_POWER);
3401 obj_relocbase (abfd) = sofar;
3402 abfd->output_has_begun = TRUE;
3407 #ifdef COFF_IMAGE_WITH_PE
3409 static unsigned int pelength;
3410 static unsigned int peheader;
3413 coff_read_word (bfd *abfd, unsigned int *value)
3418 status = bfd_bread (b, (bfd_size_type) 2, abfd);
3426 *value = (unsigned int) b[0];
3428 *value = (unsigned int) (b[0] + (b[1] << 8));
3430 pelength += (unsigned int) status;
3436 coff_compute_checksum (bfd *abfd)
3438 bfd_boolean more_data;
3445 filepos = (file_ptr) 0;
3449 if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
3452 more_data = coff_read_word (abfd, &value);
3454 total = 0xffff & (total + (total >> 0x10));
3459 return (0xffff & (total + (total >> 0x10)));
3463 coff_apply_checksum (bfd *abfd)
3465 unsigned int computed;
3466 unsigned int checksum = 0;
3468 if (bfd_seek (abfd, 0x3c, SEEK_SET) != 0)
3471 if (!coff_read_word (abfd, &peheader))
3474 if (bfd_seek (abfd, peheader + 0x58, SEEK_SET) != 0)
3478 bfd_bwrite (&checksum, (bfd_size_type) 4, abfd);
3480 if (bfd_seek (abfd, peheader, SEEK_SET) != 0)
3483 computed = coff_compute_checksum (abfd);
3485 checksum = computed + pelength;
3487 if (bfd_seek (abfd, peheader + 0x58, SEEK_SET) != 0)
3490 bfd_bwrite (&checksum, (bfd_size_type) 4, abfd);
3495 #endif /* COFF_IMAGE_WITH_PE */
3498 coff_write_object_contents (bfd * abfd)
3501 bfd_boolean hasrelocs = FALSE;
3502 bfd_boolean haslinno = FALSE;
3503 bfd_boolean hasdebug = FALSE;
3505 file_ptr reloc_base;
3506 file_ptr lineno_base;
3508 unsigned long reloc_size = 0, reloc_count = 0;
3509 unsigned long lnno_size = 0;
3510 bfd_boolean long_section_names;
3511 asection *text_sec = NULL;
3512 asection *data_sec = NULL;
3513 asection *bss_sec = NULL;
3514 struct internal_filehdr internal_f;
3515 struct internal_aouthdr internal_a;
3516 #ifdef COFF_LONG_SECTION_NAMES
3517 size_t string_size = STRING_SIZE_SIZE;
3520 bfd_set_error (bfd_error_system_call);
3522 /* Make a pass through the symbol table to count line number entries and
3523 put them into the correct asections. */
3524 lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd);
3526 if (! abfd->output_has_begun)
3528 if (! coff_compute_section_file_positions (abfd))
3532 reloc_base = obj_relocbase (abfd);
3534 /* Work out the size of the reloc and linno areas. */
3536 for (current = abfd->sections; current != NULL; current =
3540 /* We store the actual reloc count in the first reloc's addr. */
3541 if (obj_pe (abfd) && current->reloc_count >= 0xffff)
3544 reloc_count += current->reloc_count;
3547 reloc_size = reloc_count * bfd_coff_relsz (abfd);
3549 lineno_base = reloc_base + reloc_size;
3550 sym_base = lineno_base + lnno_size;
3552 /* Indicate in each section->line_filepos its actual file address. */
3553 for (current = abfd->sections; current != NULL; current =
3556 if (current->lineno_count)
3558 current->line_filepos = lineno_base;
3559 current->moving_line_filepos = lineno_base;
3560 lineno_base += current->lineno_count * bfd_coff_linesz (abfd);
3563 current->line_filepos = 0;
3565 if (current->reloc_count)
3567 current->rel_filepos = reloc_base;
3568 reloc_base += current->reloc_count * bfd_coff_relsz (abfd);
3570 /* Extra reloc to hold real count. */
3571 if (obj_pe (abfd) && current->reloc_count >= 0xffff)
3572 reloc_base += bfd_coff_relsz (abfd);
3576 current->rel_filepos = 0;
3579 /* Write section headers to the file. */
3580 internal_f.f_nscns = 0;
3582 if ((abfd->flags & EXEC_P) != 0)
3583 scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd);
3586 scn_base = bfd_coff_filhsz (abfd);
3589 if (xcoff_data (abfd)->full_aouthdr)
3590 scn_base += bfd_coff_aoutsz (abfd);
3592 scn_base += SMALL_AOUTSZ;
3597 if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
3600 long_section_names = FALSE;
3601 for (current = abfd->sections;
3603 current = current->next)
3605 struct internal_scnhdr section;
3606 bfd_boolean is_reloc_section = FALSE;
3608 #ifdef COFF_IMAGE_WITH_PE
3609 if (strcmp (current->name, ".reloc") == 0)
3611 is_reloc_section = TRUE;
3613 pe_data (abfd)->has_reloc_section = 1;
3617 internal_f.f_nscns++;
3619 strncpy (section.s_name, current->name, SCNNMLEN);
3621 #ifdef COFF_LONG_SECTION_NAMES
3622 /* Handle long section names as in PE. This must be compatible
3623 with the code in coff_write_symbols and _bfd_coff_final_link. */
3624 if (bfd_coff_long_section_names (abfd))
3628 len = strlen (current->name);
3631 /* The s_name field is defined to be NUL-padded but need not be
3632 NUL-terminated. We use a temporary buffer so that we can still
3633 sprintf all eight chars without splatting a terminating NUL
3634 over the first byte of the following member (s_paddr). */
3635 char s_name_buf[SCNNMLEN + 1];
3637 /* An inherent limitation of the /nnnnnnn notation used to indicate
3638 the offset of the long name in the string table is that we
3639 cannot address entries beyone the ten million byte boundary. */
3640 if (string_size >= 10000000)
3642 bfd_set_error (bfd_error_file_too_big);
3643 (*_bfd_error_handler)
3644 (_("%B: section %s: string table overflow at offset %ld"),
3645 abfd, current->name, string_size);
3649 /* snprintf not strictly necessary now we've verified the value
3650 has less than eight ASCII digits, but never mind. */
3651 snprintf (s_name_buf, SCNNMLEN + 1, "/%lu", (unsigned long) string_size);
3652 /* Then strncpy takes care of any padding for us. */
3653 strncpy (section.s_name, s_name_buf, SCNNMLEN);
3654 string_size += len + 1;
3655 long_section_names = TRUE;
3661 /* Always set s_vaddr of .lib to 0. This is right for SVR3.2
3662 Ian Taylor <ian@cygnus.com>. */
3663 if (strcmp (current->name, _LIB) == 0)
3664 section.s_vaddr = 0;
3667 section.s_vaddr = current->vma;
3668 section.s_paddr = current->lma;
3669 section.s_size = current->size;
3670 #ifdef coff_get_section_load_page
3671 section.s_page = coff_get_section_load_page (current);
3677 section.s_paddr = 0;
3679 #ifdef COFF_IMAGE_WITH_PE
3680 /* Reminder: s_paddr holds the virtual size of the section. */
3681 if (coff_section_data (abfd, current) != NULL
3682 && pei_section_data (abfd, current) != NULL)
3683 section.s_paddr = pei_section_data (abfd, current)->virt_size;
3685 section.s_paddr = 0;
3688 /* If this section has no size or is unloadable then the scnptr
3690 if (current->size == 0
3691 || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
3692 section.s_scnptr = 0;
3694 section.s_scnptr = current->filepos;
3696 section.s_relptr = current->rel_filepos;
3697 section.s_lnnoptr = current->line_filepos;
3698 section.s_nreloc = current->reloc_count;
3699 section.s_nlnno = current->lineno_count;
3700 #ifndef COFF_IMAGE_WITH_PE
3701 /* In PEI, relocs come in the .reloc section. */
3702 if (current->reloc_count != 0)
3705 if (current->lineno_count != 0)
3707 if ((current->flags & SEC_DEBUGGING) != 0
3708 && ! is_reloc_section)
3713 /* Indicate the use of an XCOFF overflow section header. */
3714 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
3716 section.s_nreloc = 0xffff;
3717 section.s_nlnno = 0xffff;
3722 section.s_flags = sec_to_styp_flags (current->name, current->flags);
3724 if (!strcmp (current->name, _TEXT))
3726 else if (!strcmp (current->name, _DATA))
3728 else if (!strcmp (current->name, _BSS))
3732 section.s_align = (current->alignment_power
3733 ? 1 << current->alignment_power
3737 /* TI COFF puts the alignment power in bits 8-11 of the flags. */
3738 section.s_flags |= (current->alignment_power & 0xF) << 8;
3740 #ifdef COFF_ENCODE_ALIGNMENT
3741 COFF_ENCODE_ALIGNMENT(section, current->alignment_power);
3744 #ifdef COFF_IMAGE_WITH_PE
3745 /* Suppress output of the sections if they are null. ld
3746 includes the bss and data sections even if there is no size
3747 assigned to them. NT loader doesn't like it if these section
3748 headers are included if the sections themselves are not
3749 needed. See also coff_compute_section_file_positions. */
3750 if (section.s_size == 0)
3751 internal_f.f_nscns--;
3756 bfd_size_type amt = bfd_coff_scnhsz (abfd);
3758 if (coff_swap_scnhdr_out (abfd, §ion, &buff) == 0
3759 || bfd_bwrite (& buff, amt, abfd) != amt)
3764 /* PE stores COMDAT section information in the symbol table. If
3765 this section is supposed to have some COMDAT info, track down
3766 the symbol in the symbol table and modify it. */
3767 if ((current->flags & SEC_LINK_ONCE) != 0)
3769 unsigned int i, count;
3771 coff_symbol_type *csym = NULL;
3775 count = bfd_get_symcount (abfd);
3776 for (i = 0, psym = abfd->outsymbols; i < count; i++, psym++)
3778 if ((*psym)->section != current)
3781 /* Remember the location of the first symbol in this
3783 if (psymsec == NULL)
3786 /* See if this is the section symbol. */
3787 if (strcmp ((*psym)->name, current->name) == 0)
3789 csym = coff_symbol_from (abfd, *psym);
3791 || csym->native == NULL
3792 || csym->native->u.syment.n_numaux < 1
3793 || csym->native->u.syment.n_sclass != C_STAT
3794 || csym->native->u.syment.n_type != T_NULL)
3797 /* Here *PSYM is the section symbol for CURRENT. */
3804 Note that we might not if we're converting the file from
3805 some other object file format. */
3808 combined_entry_type *aux;
3810 /* We don't touch the x_checksum field. The
3811 x_associated field is not currently supported. */
3813 aux = csym->native + 1;
3814 switch (current->flags & SEC_LINK_DUPLICATES)
3816 case SEC_LINK_DUPLICATES_DISCARD:
3817 aux->u.auxent.x_scn.x_comdat = IMAGE_COMDAT_SELECT_ANY;
3820 case SEC_LINK_DUPLICATES_ONE_ONLY:
3821 aux->u.auxent.x_scn.x_comdat =
3822 IMAGE_COMDAT_SELECT_NODUPLICATES;
3825 case SEC_LINK_DUPLICATES_SAME_SIZE:
3826 aux->u.auxent.x_scn.x_comdat =
3827 IMAGE_COMDAT_SELECT_SAME_SIZE;
3830 case SEC_LINK_DUPLICATES_SAME_CONTENTS:
3831 aux->u.auxent.x_scn.x_comdat =
3832 IMAGE_COMDAT_SELECT_EXACT_MATCH;
3836 /* The COMDAT symbol must be the first symbol from this
3837 section in the symbol table. In order to make this
3838 work, we move the COMDAT symbol before the first
3839 symbol we found in the search above. It's OK to
3840 rearrange the symbol table at this point, because
3841 coff_renumber_symbols is going to rearrange it
3842 further and fix up all the aux entries. */
3843 if (psym != psymsec)
3849 for (pcopy = psym; pcopy > psymsec; pcopy--)
3850 pcopy[0] = pcopy[-1];
3855 #endif /* COFF_WITH_PE */
3860 /* XCOFF handles overflows in the reloc and line number count fields
3861 by creating a new section header to hold the correct values. */
3862 for (current = abfd->sections; current != NULL; current = current->next)
3864 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
3866 struct internal_scnhdr scnhdr;
3870 internal_f.f_nscns++;
3871 strncpy (&(scnhdr.s_name[0]), current->name, 8);
3872 scnhdr.s_paddr = current->reloc_count;
3873 scnhdr.s_vaddr = current->lineno_count;
3875 scnhdr.s_scnptr = 0;
3876 scnhdr.s_relptr = current->rel_filepos;
3877 scnhdr.s_lnnoptr = current->line_filepos;
3878 scnhdr.s_nreloc = current->target_index;
3879 scnhdr.s_nlnno = current->target_index;
3880 scnhdr.s_flags = STYP_OVRFLO;
3881 amt = bfd_coff_scnhsz (abfd);
3882 if (coff_swap_scnhdr_out (abfd, &scnhdr, &buff) == 0
3883 || bfd_bwrite (& buff, amt, abfd) != amt)
3890 /* OK, now set up the filehdr... */
3892 /* Don't include the internal abs section in the section count */
3894 /* We will NOT put a fucking timestamp in the header here. Every time you
3895 put it back, I will come in and take it out again. I'm sorry. This
3896 field does not belong here. We fill it with a 0 so it compares the
3897 same but is not a reasonable time. -- gnu@cygnus.com */
3898 internal_f.f_timdat = 0;
3899 internal_f.f_flags = 0;
3901 if (abfd->flags & EXEC_P)
3902 internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
3905 internal_f.f_opthdr = 0;
3908 if (xcoff_data (abfd)->full_aouthdr)
3909 internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
3911 internal_f.f_opthdr = SMALL_AOUTSZ;
3917 internal_f.f_flags |= F_RELFLG;
3919 internal_f.f_flags |= F_LNNO;
3920 if (abfd->flags & EXEC_P)
3921 internal_f.f_flags |= F_EXEC;
3922 #ifdef COFF_IMAGE_WITH_PE
3924 internal_f.f_flags |= IMAGE_FILE_DEBUG_STRIPPED;
3925 if (pe_data (abfd)->real_flags & IMAGE_FILE_LARGE_ADDRESS_AWARE)
3926 internal_f.f_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
3929 #ifndef COFF_WITH_pex64
3931 internal_f.f_flags |= IMAGE_FILE_32BIT_MACHINE;
3933 if (bfd_little_endian (abfd))
3934 internal_f.f_flags |= F_AR32WR;
3936 internal_f.f_flags |= F_AR32W;
3941 /* Target id is used in TI COFF v1 and later; COFF0 won't use this field,
3942 but it doesn't hurt to set it internally. */
3943 internal_f.f_target_id = TI_TARGET_ID;
3945 #ifdef TIC80_TARGET_ID
3946 internal_f.f_target_id = TIC80_TARGET_ID;
3949 /* FIXME, should do something about the other byte orders and
3953 if ((abfd->flags & DYNAMIC) != 0)
3954 internal_f.f_flags |= F_SHROBJ;
3955 if (bfd_get_section_by_name (abfd, _LOADER) != NULL)
3956 internal_f.f_flags |= F_DYNLOAD;
3959 memset (&internal_a, 0, sizeof internal_a);
3961 /* Set up architecture-dependent stuff. */
3963 unsigned int magic = 0;
3964 unsigned short flags = 0;
3966 coff_set_flags (abfd, &magic, &flags);
3967 internal_f.f_magic = magic;
3968 internal_f.f_flags |= flags;
3969 /* ...and the "opt"hdr... */
3971 #ifdef TICOFF_AOUT_MAGIC
3972 internal_a.magic = TICOFF_AOUT_MAGIC;
3973 #define __A_MAGIC_SET__
3976 internal_a.magic = TIC80_ARCH_MAGIC;
3977 #define __A_MAGIC_SET__
3980 /* FIXME: What are the a.out magic numbers for the i860? */
3981 internal_a.magic = 0;
3982 #define __A_MAGIC_SET__
3985 internal_a.magic = (magic == I960ROMAGIC ? NMAGIC : OMAGIC);
3986 #define __A_MAGIC_SET__
3989 #define __A_MAGIC_SET__
3990 internal_a.magic = PAGEMAGICBCS;
3994 #define __A_MAGIC_SET__
3995 internal_a.magic = APOLLO_COFF_VERSION_NUMBER;
3998 #if defined(M68) || defined(WE32K) || defined(M68K)
3999 #define __A_MAGIC_SET__
4001 internal_a.magic = LYNXCOFFMAGIC;
4003 #if defined(TARG_AUX)
4004 internal_a.magic = (abfd->flags & D_PAGED ? PAGEMAGICPEXECPAGED :
4005 abfd->flags & WP_TEXT ? PAGEMAGICPEXECSWAPPED :
4006 PAGEMAGICEXECSWAPPED);
4008 #if defined (PAGEMAGICPEXECPAGED)
4009 internal_a.magic = PAGEMAGICPEXECPAGED;
4011 #endif /* TARG_AUX */
4013 #endif /* M68 || WE32K || M68K */
4016 #define __A_MAGIC_SET__
4017 internal_a.magic = ZMAGIC;
4021 #define __A_MAGIC_SET__
4022 internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
4025 #if defined MCORE_PE
4026 #define __A_MAGIC_SET__
4027 internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
4031 #define __A_MAGIC_SET__
4033 internal_a.magic = LYNXCOFFMAGIC;
4035 internal_a.magic = IMAGE_NT_OPTIONAL_HDR64_MAGIC;
4037 internal_a.magic = ZMAGIC;
4042 #define __A_MAGIC_SET__
4043 internal_a.magic = PE32PMAGIC;
4047 #define __A_MAGIC_SET__
4049 internal_a.magic = LYNXCOFFMAGIC;
4054 #define __A_MAGIC_SET__
4055 internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC :
4056 (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC :
4057 RS6K_AOUTHDR_OMAGIC;
4060 #if defined(SH) && defined(COFF_WITH_PE)
4061 #define __A_MAGIC_SET__
4062 internal_a.magic = SH_PE_MAGIC;
4065 #if defined(MIPS) && defined(COFF_WITH_PE)
4066 #define __A_MAGIC_SET__
4067 internal_a.magic = MIPS_PE_MAGIC;
4071 #define __A_MAGIC_SET__
4072 internal_a.magic = NMAGIC; /* Assume separate i/d. */
4076 #define __A_MAGIC_SET__
4077 internal_a.magic = MAXQ20MAGIC;
4080 #ifndef __A_MAGIC_SET__
4081 #include "Your aouthdr magic number is not being set!"
4083 #undef __A_MAGIC_SET__
4087 /* FIXME: Does anybody ever set this to another value? */
4088 internal_a.vstamp = 0;
4090 /* Now should write relocs, strings, syms. */
4091 obj_sym_filepos (abfd) = sym_base;
4093 if (bfd_get_symcount (abfd) != 0)
4097 if (!coff_renumber_symbols (abfd, &firstundef))
4099 coff_mangle_symbols (abfd);
4100 if (! coff_write_symbols (abfd))
4102 if (! coff_write_linenumbers (abfd))
4104 if (! coff_write_relocs (abfd, firstundef))
4107 #ifdef COFF_LONG_SECTION_NAMES
4108 else if (long_section_names && ! obj_coff_strings_written (abfd))
4110 /* If we have long section names we have to write out the string
4111 table even if there are no symbols. */
4112 if (! coff_write_symbols (abfd))
4116 #ifdef COFF_IMAGE_WITH_PE
4118 else if ((abfd->flags & EXEC_P) != 0)
4122 /* PowerPC PE appears to require that all executable files be
4123 rounded up to the page size. */
4126 (file_ptr) BFD_ALIGN (sym_base, COFF_PAGE_SIZE) - 1,
4128 || bfd_bwrite (&b, (bfd_size_type) 1, abfd) != 1)
4134 /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF
4135 backend linker, and obj_raw_syment_count is not valid until after
4136 coff_write_symbols is called. */
4137 if (obj_raw_syment_count (abfd) != 0)
4139 internal_f.f_symptr = sym_base;
4141 /* AIX appears to require that F_RELFLG not be set if there are
4142 local symbols but no relocations. */
4143 internal_f.f_flags &=~ F_RELFLG;
4148 if (long_section_names)
4149 internal_f.f_symptr = sym_base;
4151 internal_f.f_symptr = 0;
4152 internal_f.f_flags |= F_LSYMS;
4157 internal_a.tsize = text_sec->size;
4158 internal_a.text_start = internal_a.tsize ? text_sec->vma : 0;
4162 internal_a.dsize = data_sec->size;
4163 internal_a.data_start = internal_a.dsize ? data_sec->vma : 0;
4167 internal_a.bsize = bss_sec->size;
4168 if (internal_a.bsize && bss_sec->vma < internal_a.data_start)
4169 internal_a.data_start = bss_sec->vma;
4172 internal_a.entry = bfd_get_start_address (abfd);
4173 internal_f.f_nsyms = obj_raw_syment_count (abfd);
4176 if (xcoff_data (abfd)->full_aouthdr)
4179 asection *loader_sec;
4181 internal_a.vstamp = 1;
4183 internal_a.o_snentry = xcoff_data (abfd)->snentry;
4184 if (internal_a.o_snentry == 0)
4185 internal_a.entry = (bfd_vma) -1;
4187 if (text_sec != NULL)
4189 internal_a.o_sntext = text_sec->target_index;
4190 internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec);
4194 internal_a.o_sntext = 0;
4195 internal_a.o_algntext = 0;
4197 if (data_sec != NULL)
4199 internal_a.o_sndata = data_sec->target_index;
4200 internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec);
4204 internal_a.o_sndata = 0;
4205 internal_a.o_algndata = 0;
4207 loader_sec = bfd_get_section_by_name (abfd, ".loader");
4208 if (loader_sec != NULL)
4209 internal_a.o_snloader = loader_sec->target_index;
4211 internal_a.o_snloader = 0;
4212 if (bss_sec != NULL)
4213 internal_a.o_snbss = bss_sec->target_index;
4215 internal_a.o_snbss = 0;
4217 toc = xcoff_data (abfd)->toc;
4218 internal_a.o_toc = toc;
4219 internal_a.o_sntoc = xcoff_data (abfd)->sntoc;
4221 internal_a.o_modtype = xcoff_data (abfd)->modtype;
4222 if (xcoff_data (abfd)->cputype != -1)
4223 internal_a.o_cputype = xcoff_data (abfd)->cputype;
4226 switch (bfd_get_arch (abfd))
4228 case bfd_arch_rs6000:
4229 internal_a.o_cputype = 4;
4231 case bfd_arch_powerpc:
4232 if (bfd_get_mach (abfd) == bfd_mach_ppc)
4233 internal_a.o_cputype = 3;
4235 internal_a.o_cputype = 1;
4241 internal_a.o_maxstack = xcoff_data (abfd)->maxstack;
4242 internal_a.o_maxdata = xcoff_data (abfd)->maxdata;
4246 /* Now write them. */
4247 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
4252 bfd_size_type amount = bfd_coff_filhsz (abfd);
4254 buff = bfd_malloc (amount);
4258 bfd_coff_swap_filehdr_out (abfd, & internal_f, buff);
4259 amount = bfd_bwrite (buff, amount, abfd);
4263 if (amount != bfd_coff_filhsz (abfd))
4267 if (abfd->flags & EXEC_P)
4269 /* Note that peicode.h fills in a PEAOUTHDR, not an AOUTHDR.
4270 include/coff/pe.h sets AOUTSZ == sizeof (PEAOUTHDR)). */
4272 bfd_size_type amount = bfd_coff_aoutsz (abfd);
4274 buff = bfd_malloc (amount);
4278 coff_swap_aouthdr_out (abfd, & internal_a, buff);
4279 amount = bfd_bwrite (buff, amount, abfd);
4283 if (amount != bfd_coff_aoutsz (abfd))
4286 #ifdef COFF_IMAGE_WITH_PE
4287 if (! coff_apply_checksum (abfd))
4297 /* XCOFF seems to always write at least a small a.out header. */
4298 coff_swap_aouthdr_out (abfd, & internal_a, & buff);
4299 if (xcoff_data (abfd)->full_aouthdr)
4300 size = bfd_coff_aoutsz (abfd);
4302 size = SMALL_AOUTSZ;
4303 if (bfd_bwrite (& buff, (bfd_size_type) size, abfd) != size)
4312 coff_set_section_contents (bfd * abfd,
4314 const void * location,
4316 bfd_size_type count)
4318 if (! abfd->output_has_begun) /* Set by bfd.c handler. */
4320 if (! coff_compute_section_file_positions (abfd))
4324 #if defined(_LIB) && !defined(TARG_AUX)
4325 /* The physical address field of a .lib section is used to hold the
4326 number of shared libraries in the section. This code counts the
4327 number of sections being written, and increments the lma field
4330 I have found no documentation on the contents of this section.
4331 Experimentation indicates that the section contains zero or more
4332 records, each of which has the following structure:
4334 - a (four byte) word holding the length of this record, in words,
4335 - a word that always seems to be set to "2",
4336 - the path to a shared library, null-terminated and then padded
4337 to a whole word boundary.
4339 bfd_assert calls have been added to alert if an attempt is made
4340 to write a section which doesn't follow these assumptions. The
4341 code has been tested on ISC 4.1 by me, and on SCO by Robert Lipe
4342 <robertl@arnet.com> (Thanks!).
4344 Gvran Uddeborg <gvran@uddeborg.pp.se>. */
4345 if (strcmp (section->name, _LIB) == 0)
4347 bfd_byte *rec, *recend;
4349 rec = (bfd_byte *) location;
4350 recend = rec + count;
4351 while (rec < recend)
4354 rec += bfd_get_32 (abfd, rec) * 4;
4357 BFD_ASSERT (rec == recend);
4361 /* Don't write out bss sections - one way to do this is to
4362 see if the filepos has not been set. */
4363 if (section->filepos == 0)
4366 if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
4372 return bfd_bwrite (location, count, abfd) == count;
4376 buy_and_read (bfd *abfd, file_ptr where, bfd_size_type size)
4378 void * area = bfd_alloc (abfd, size);
4382 if (bfd_seek (abfd, where, SEEK_SET) != 0
4383 || bfd_bread (area, size, abfd) != size)
4392 Creating the linenumber table is done by reading in the entire
4393 coff linenumber table, and creating another table for internal use.
4395 A coff linenumber table is structured so that each function
4396 is marked as having a line number of 0. Each line within the
4397 function is an offset from the first line in the function. The
4398 base of the line number information for the table is stored in
4399 the symbol associated with the function.
4401 Note: The PE format uses line number 0 for a flag indicating a
4404 The information is copied from the external to the internal
4405 table, and each symbol which marks a function is marked by
4408 How does this work ?
4412 coff_sort_func_alent (const void * arg1, const void * arg2)
4414 const alent *al1 = *(const alent **) arg1;
4415 const alent *al2 = *(const alent **) arg2;
4416 const coff_symbol_type *s1 = (const coff_symbol_type *) (al1->u.sym);
4417 const coff_symbol_type *s2 = (const coff_symbol_type *) (al2->u.sym);
4419 if (s1->symbol.value < s2->symbol.value)
4421 else if (s1->symbol.value > s2->symbol.value)
4428 coff_slurp_line_table (bfd *abfd, asection *asect)
4430 LINENO *native_lineno;
4431 alent *lineno_cache;
4433 unsigned int counter;
4435 bfd_vma prev_offset = 0;
4437 unsigned int nbr_func;
4440 BFD_ASSERT (asect->lineno == NULL);
4442 amt = ((bfd_size_type) asect->lineno_count + 1) * sizeof (alent);
4443 lineno_cache = bfd_alloc (abfd, amt);
4444 if (lineno_cache == NULL)
4447 amt = (bfd_size_type) bfd_coff_linesz (abfd) * asect->lineno_count;
4448 native_lineno = (LINENO *) buy_and_read (abfd, asect->line_filepos, amt);
4449 if (native_lineno == NULL)
4451 (*_bfd_error_handler)
4452 (_("%B: warning: line number table read failed"), abfd);
4453 bfd_release (abfd, lineno_cache);
4457 cache_ptr = lineno_cache;
4458 asect->lineno = lineno_cache;
4459 src = native_lineno;
4462 for (counter = 0; counter < asect->lineno_count; counter++)
4464 struct internal_lineno dst;
4466 bfd_coff_swap_lineno_in (abfd, src, &dst);
4467 cache_ptr->line_number = dst.l_lnno;
4469 if (cache_ptr->line_number == 0)
4472 bfd_signed_vma symndx;
4473 coff_symbol_type *sym;
4477 symndx = dst.l_addr.l_symndx;
4479 || (bfd_vma) symndx >= obj_raw_syment_count (abfd))
4481 (*_bfd_error_handler)
4482 (_("%B: warning: illegal symbol index %ld in line numbers"),
4483 abfd, dst.l_addr.l_symndx);
4488 /* FIXME: We should not be casting between ints and
4489 pointers like this. */
4490 sym = ((coff_symbol_type *)
4491 ((symndx + obj_raw_syments (abfd))
4492 ->u.syment._n._n_n._n_zeroes));
4493 cache_ptr->u.sym = (asymbol *) sym;
4494 if (sym->lineno != NULL && ! warned)
4495 (*_bfd_error_handler)
4496 (_("%B: warning: duplicate line number information for `%s'"),
4497 abfd, bfd_asymbol_name (&sym->symbol));
4499 sym->lineno = cache_ptr;
4500 if (sym->symbol.value < prev_offset)
4502 prev_offset = sym->symbol.value;
4505 cache_ptr->u.offset = dst.l_addr.l_paddr
4506 - bfd_section_vma (abfd, asect);
4511 cache_ptr->line_number = 0;
4512 bfd_release (abfd, native_lineno);
4514 /* On some systems (eg AIX5.3) the lineno table may not be sorted. */
4517 /* Sort the table. */
4519 alent *n_lineno_cache;
4521 /* Create a table of functions. */
4522 func_table = bfd_alloc (abfd, nbr_func * sizeof (alent *));
4523 if (func_table != NULL)
4525 alent **p = func_table;
4528 for (i = 0; i < counter; i++)
4529 if (lineno_cache[i].line_number == 0)
4530 *p++ = &lineno_cache[i];
4532 /* Sort by functions. */
4533 qsort (func_table, nbr_func, sizeof (alent *), coff_sort_func_alent);
4535 /* Create the new sorted table. */
4536 amt = ((bfd_size_type) asect->lineno_count + 1) * sizeof (alent);
4537 n_lineno_cache = bfd_alloc (abfd, amt);
4538 if (n_lineno_cache != NULL)
4540 alent *n_cache_ptr = n_lineno_cache;
4542 for (i = 0; i < nbr_func; i++)
4544 coff_symbol_type *sym;
4545 alent *old_ptr = func_table[i];
4547 /* Copy the function entry and update it. */
4548 *n_cache_ptr = *old_ptr;
4549 sym = (coff_symbol_type *)n_cache_ptr->u.sym;
4550 sym->lineno = n_cache_ptr;
4554 /* Copy the line number entries. */
4555 while (old_ptr->line_number != 0)
4556 *n_cache_ptr++ = *old_ptr++;
4558 n_cache_ptr->line_number = 0;
4559 memcpy (lineno_cache, n_lineno_cache, amt);
4561 bfd_release (abfd, func_table);
4568 /* Slurp in the symbol table, converting it to generic form. Note
4569 that if coff_relocate_section is defined, the linker will read
4570 symbols via coff_link_add_symbols, rather than via this routine. */
4573 coff_slurp_symbol_table (bfd * abfd)
4575 combined_entry_type *native_symbols;
4576 coff_symbol_type *cached_area;
4577 unsigned int *table_ptr;
4579 unsigned int number_of_symbols = 0;
4581 if (obj_symbols (abfd))
4584 /* Read in the symbol table. */
4585 if ((native_symbols = coff_get_normalized_symtab (abfd)) == NULL)
4588 /* Allocate enough room for all the symbols in cached form. */
4589 amt = obj_raw_syment_count (abfd);
4590 amt *= sizeof (coff_symbol_type);
4591 cached_area = bfd_alloc (abfd, amt);
4592 if (cached_area == NULL)
4595 amt = obj_raw_syment_count (abfd);
4596 amt *= sizeof (unsigned int);
4597 table_ptr = bfd_alloc (abfd, amt);
4599 if (table_ptr == NULL)
4603 coff_symbol_type *dst = cached_area;
4604 unsigned int last_native_index = obj_raw_syment_count (abfd);
4605 unsigned int this_index = 0;
4607 while (this_index < last_native_index)
4609 combined_entry_type *src = native_symbols + this_index;
4610 table_ptr[this_index] = number_of_symbols;
4611 dst->symbol.the_bfd = abfd;
4613 dst->symbol.name = (char *) (src->u.syment._n._n_n._n_offset);
4614 /* We use the native name field to point to the cached field. */
4615 src->u.syment._n._n_n._n_zeroes = (bfd_hostptr_t) dst;
4616 dst->symbol.section = coff_section_from_bfd_index (abfd,
4617 src->u.syment.n_scnum);
4618 dst->symbol.flags = 0;
4619 dst->done_lineno = FALSE;
4621 switch (src->u.syment.n_sclass)
4625 /* Fall through to next case. */
4632 case C_THUMBEXTFUNC:
4638 case C_SYSTEM: /* System Wide variable. */
4641 /* In PE, 0x68 (104) denotes a section symbol. */
4643 /* In PE, 0x69 (105) denotes a weak external symbol. */
4646 switch (coff_classify_symbol (abfd, &src->u.syment))
4648 case COFF_SYMBOL_GLOBAL:
4649 dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL;
4650 #if defined COFF_WITH_PE
4651 /* PE sets the symbol to a value relative to the
4652 start of the section. */
4653 dst->symbol.value = src->u.syment.n_value;
4655 dst->symbol.value = (src->u.syment.n_value
4656 - dst->symbol.section->vma);
4658 if (ISFCN ((src->u.syment.n_type)))
4659 /* A function ext does not go at the end of a
4661 dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
4664 case COFF_SYMBOL_COMMON:
4665 dst->symbol.section = bfd_com_section_ptr;
4666 dst->symbol.value = src->u.syment.n_value;
4669 case COFF_SYMBOL_UNDEFINED:
4670 dst->symbol.section = bfd_und_section_ptr;
4671 dst->symbol.value = 0;
4674 case COFF_SYMBOL_PE_SECTION:
4675 dst->symbol.flags |= BSF_EXPORT | BSF_SECTION_SYM;
4676 dst->symbol.value = 0;
4679 case COFF_SYMBOL_LOCAL:
4680 dst->symbol.flags = BSF_LOCAL;
4681 #if defined COFF_WITH_PE
4682 /* PE sets the symbol to a value relative to the
4683 start of the section. */
4684 dst->symbol.value = src->u.syment.n_value;
4686 dst->symbol.value = (src->u.syment.n_value
4687 - dst->symbol.section->vma);
4689 if (ISFCN ((src->u.syment.n_type)))
4690 dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
4695 /* A symbol with a csect entry should not go at the end. */
4696 if (src->u.syment.n_numaux > 0)
4697 dst->symbol.flags |= BSF_NOT_AT_END;
4701 if (src->u.syment.n_sclass == C_NT_WEAK)
4702 dst->symbol.flags |= BSF_WEAK;
4704 if (src->u.syment.n_sclass == C_SECTION
4705 && src->u.syment.n_scnum > 0)
4706 dst->symbol.flags = BSF_LOCAL;
4708 if (src->u.syment.n_sclass == C_WEAKEXT)
4709 dst->symbol.flags |= BSF_WEAK;
4713 case C_STAT: /* Static. */
4715 case C_LEAFSTAT: /* Static leaf procedure. */
4718 case C_THUMBSTAT: /* Thumb static. */
4719 case C_THUMBLABEL: /* Thumb label. */
4720 case C_THUMBSTATFUNC:/* Thumb static function. */
4722 case C_LABEL: /* Label. */
4723 if (src->u.syment.n_scnum == N_DEBUG)
4724 dst->symbol.flags = BSF_DEBUGGING;
4726 dst->symbol.flags = BSF_LOCAL;
4728 /* Base the value as an index from the base of the
4729 section, if there is one. */
4730 if (dst->symbol.section)
4732 #if defined COFF_WITH_PE
4733 /* PE sets the symbol to a value relative to the
4734 start of the section. */
4735 dst->symbol.value = src->u.syment.n_value;
4737 dst->symbol.value = (src->u.syment.n_value
4738 - dst->symbol.section->vma);
4742 dst->symbol.value = src->u.syment.n_value;
4745 case C_MOS: /* Member of structure. */
4746 case C_EOS: /* End of structure. */
4747 case C_REGPARM: /* Register parameter. */
4748 case C_REG: /* register variable. */
4749 /* C_AUTOARG conflicts with TI COFF C_UEXT. */
4750 #if !defined (TIC80COFF) && !defined (TICOFF)
4752 case C_AUTOARG: /* 960-specific storage class. */
4755 case C_TPDEF: /* Type definition. */
4757 case C_AUTO: /* Automatic variable. */
4758 case C_FIELD: /* Bit field. */
4759 case C_ENTAG: /* Enumeration tag. */
4760 case C_MOE: /* Member of enumeration. */
4761 case C_MOU: /* Member of union. */
4762 case C_UNTAG: /* Union tag. */
4763 dst->symbol.flags = BSF_DEBUGGING;
4764 dst->symbol.value = (src->u.syment.n_value);
4767 case C_FILE: /* File name. */
4768 case C_STRTAG: /* Structure tag. */
4785 dst->symbol.flags = BSF_DEBUGGING;
4786 dst->symbol.value = (src->u.syment.n_value);
4790 case C_BINCL: /* Beginning of include file. */
4791 case C_EINCL: /* Ending of include file. */
4792 /* The value is actually a pointer into the line numbers
4793 of the file. We locate the line number entry, and
4794 set the section to the section which contains it, and
4795 the value to the index in that section. */
4799 dst->symbol.flags = BSF_DEBUGGING;
4800 for (sec = abfd->sections; sec != NULL; sec = sec->next)
4801 if (sec->line_filepos <= (file_ptr) src->u.syment.n_value
4802 && ((file_ptr) (sec->line_filepos
4803 + sec->lineno_count * bfd_coff_linesz (abfd))
4804 > (file_ptr) src->u.syment.n_value))
4807 dst->symbol.value = 0;
4810 dst->symbol.section = sec;
4811 dst->symbol.value = ((src->u.syment.n_value
4812 - sec->line_filepos)
4813 / bfd_coff_linesz (abfd));
4820 dst->symbol.flags = BSF_DEBUGGING;
4822 /* The value is actually a symbol index. Save a pointer
4823 to the symbol instead of the index. FIXME: This
4824 should use a union. */
4825 src->u.syment.n_value =
4826 (long) (native_symbols + src->u.syment.n_value);
4827 dst->symbol.value = src->u.syment.n_value;
4832 case C_BLOCK: /* ".bb" or ".eb". */
4833 case C_FCN: /* ".bf" or ".ef" (or PE ".lf"). */
4834 case C_EFCN: /* Physical end of function. */
4835 #if defined COFF_WITH_PE
4836 /* PE sets the symbol to a value relative to the start
4838 dst->symbol.value = src->u.syment.n_value;
4839 if (strcmp (dst->symbol.name, ".bf") != 0)
4841 /* PE uses funny values for .ef and .lf; don't
4843 dst->symbol.flags = BSF_DEBUGGING;
4846 dst->symbol.flags = BSF_DEBUGGING | BSF_DEBUGGING_RELOC;
4848 /* Base the value as an index from the base of the
4850 dst->symbol.flags = BSF_LOCAL;
4851 dst->symbol.value = (src->u.syment.n_value
4852 - dst->symbol.section->vma);
4856 case C_STATLAB: /* Static load time label. */
4857 dst->symbol.value = src->u.syment.n_value;
4858 dst->symbol.flags = BSF_GLOBAL;
4862 /* PE DLLs sometimes have zeroed out symbols for some
4863 reason. Just ignore them without a warning. */
4864 if (src->u.syment.n_type == 0
4865 && src->u.syment.n_value == 0
4866 && src->u.syment.n_scnum == 0)
4869 case C_EXTDEF: /* External definition. */
4870 case C_ULABEL: /* Undefined label. */
4871 case C_USTATIC: /* Undefined static. */
4872 #ifndef COFF_WITH_PE
4873 /* C_LINE in regular coff is 0x68. NT has taken over this storage
4874 class to represent a section symbol. */
4875 case C_LINE: /* line # reformatted as symbol table entry. */
4876 /* NT uses 0x67 for a weak symbol, not C_ALIAS. */
4877 case C_ALIAS: /* Duplicate tag. */
4879 /* New storage classes for TI COFF. */
4880 #if defined(TIC80COFF) || defined(TICOFF)
4881 case C_UEXT: /* Tentative external definition. */
4883 case C_EXTLAB: /* External load time label. */
4884 case C_HIDDEN: /* Ext symbol in dmert public lib. */
4886 (*_bfd_error_handler)
4887 (_("%B: Unrecognized storage class %d for %s symbol `%s'"),
4888 abfd, src->u.syment.n_sclass,
4889 dst->symbol.section->name, dst->symbol.name);
4890 dst->symbol.flags = BSF_DEBUGGING;
4891 dst->symbol.value = (src->u.syment.n_value);
4897 dst->symbol.udata.i = 0;
4899 this_index += (src->u.syment.n_numaux) + 1;
4901 number_of_symbols++;
4905 obj_symbols (abfd) = cached_area;
4906 obj_raw_syments (abfd) = native_symbols;
4908 bfd_get_symcount (abfd) = number_of_symbols;
4909 obj_convert (abfd) = table_ptr;
4910 /* Slurp the line tables for each section too. */
4917 coff_slurp_line_table (abfd, p);
4925 /* Classify a COFF symbol. A couple of targets have globally visible
4926 symbols which are not class C_EXT, and this handles those. It also
4927 recognizes some special PE cases. */
4929 static enum coff_symbol_classification
4930 coff_classify_symbol (bfd *abfd,
4931 struct internal_syment *syment)
4933 /* FIXME: This partially duplicates the switch in
4934 coff_slurp_symbol_table. */
4935 switch (syment->n_sclass)
4944 case C_THUMBEXTFUNC:
4952 if (syment->n_scnum == 0)
4954 if (syment->n_value == 0)
4955 return COFF_SYMBOL_UNDEFINED;
4957 return COFF_SYMBOL_COMMON;
4959 return COFF_SYMBOL_GLOBAL;
4966 if (syment->n_sclass == C_STAT)
4968 if (syment->n_scnum == 0)
4969 /* The Microsoft compiler sometimes generates these if a
4970 small static function is inlined every time it is used.
4971 The function is discarded, but the symbol table entry
4973 return COFF_SYMBOL_LOCAL;
4975 #ifdef STRICT_PE_FORMAT
4976 /* This is correct for Microsoft generated objects, but it
4977 breaks gas generated objects. */
4978 if (syment->n_value == 0)
4981 char buf[SYMNMLEN + 1];
4983 sec = coff_section_from_bfd_index (abfd, syment->n_scnum);
4985 && (strcmp (bfd_get_section_name (abfd, sec),
4986 _bfd_coff_internal_syment_name (abfd, syment, buf))
4988 return COFF_SYMBOL_PE_SECTION;
4992 return COFF_SYMBOL_LOCAL;
4995 if (syment->n_sclass == C_SECTION)
4997 /* In some cases in a DLL generated by the Microsoft linker, the
4998 n_value field will contain garbage. FIXME: This should
4999 probably be handled by the swapping function instead. */
5000 syment->n_value = 0;
5001 if (syment->n_scnum == 0)
5002 return COFF_SYMBOL_UNDEFINED;
5003 return COFF_SYMBOL_PE_SECTION;
5005 #endif /* COFF_WITH_PE */
5007 /* If it is not a global symbol, we presume it is a local symbol. */
5008 if (syment->n_scnum == 0)
5010 char buf[SYMNMLEN + 1];
5012 (*_bfd_error_handler)
5013 (_("warning: %B: local symbol `%s' has no section"),
5014 abfd, _bfd_coff_internal_syment_name (abfd, syment, buf));
5017 return COFF_SYMBOL_LOCAL;
5024 Coff relocations are easily transformed into the internal BFD form
5027 Reading a coff relocation table is done in the following stages:
5029 o Read the entire coff relocation table into memory.
5031 o Process each relocation in turn; first swap it from the
5032 external to the internal form.
5034 o Turn the symbol referenced in the relocation's symbol index
5035 into a pointer into the canonical symbol table.
5036 This table is the same as the one returned by a call to
5037 @code{bfd_canonicalize_symtab}. The back end will call that
5038 routine and save the result if a canonicalization hasn't been done.
5040 o The reloc index is turned into a pointer to a howto
5041 structure, in a back end specific way. For instance, the 386
5042 and 960 use the @code{r_type} to directly produce an index
5043 into a howto table vector; the 88k subtracts a number from the
5044 @code{r_type} field and creates an addend field.
5048 #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
5050 coff_symbol_type *coffsym = NULL; \
5052 if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
5053 coffsym = (obj_symbols (abfd) \
5054 + (cache_ptr->sym_ptr_ptr - symbols)); \
5056 coffsym = coff_symbol_from (abfd, ptr); \
5057 if (coffsym != NULL \
5058 && coffsym->native->u.syment.n_scnum == 0) \
5059 cache_ptr->addend = 0; \
5060 else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
5061 && ptr->section != NULL) \
5062 cache_ptr->addend = - (ptr->section->vma + ptr->value); \
5064 cache_ptr->addend = 0; \
5069 coff_slurp_reloc_table (bfd * abfd, sec_ptr asect, asymbol ** symbols)
5071 RELOC *native_relocs;
5072 arelent *reloc_cache;
5077 if (asect->relocation)
5079 if (asect->reloc_count == 0)
5081 if (asect->flags & SEC_CONSTRUCTOR)
5083 if (!coff_slurp_symbol_table (abfd))
5086 amt = (bfd_size_type) bfd_coff_relsz (abfd) * asect->reloc_count;
5087 native_relocs = (RELOC *) buy_and_read (abfd, asect->rel_filepos, amt);
5088 amt = (bfd_size_type) asect->reloc_count * sizeof (arelent);
5089 reloc_cache = bfd_alloc (abfd, amt);
5091 if (reloc_cache == NULL || native_relocs == NULL)
5094 for (idx = 0; idx < asect->reloc_count; idx++)
5096 struct internal_reloc dst;
5097 struct external_reloc *src;
5098 #ifndef RELOC_PROCESSING
5102 cache_ptr = reloc_cache + idx;
5103 src = native_relocs + idx;
5106 coff_swap_reloc_in (abfd, src, &dst);
5108 #ifdef RELOC_PROCESSING
5109 RELOC_PROCESSING (cache_ptr, &dst, symbols, abfd, asect);
5111 cache_ptr->address = dst.r_vaddr;
5113 if (dst.r_symndx != -1)
5115 if (dst.r_symndx < 0 || dst.r_symndx >= obj_conv_table_size (abfd))
5117 (*_bfd_error_handler)
5118 (_("%B: warning: illegal symbol index %ld in relocs"),
5119 abfd, dst.r_symndx);
5120 cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
5125 cache_ptr->sym_ptr_ptr = (symbols
5126 + obj_convert (abfd)[dst.r_symndx]);
5127 ptr = *(cache_ptr->sym_ptr_ptr);
5132 cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
5136 /* The symbols definitions that we have read in have been
5137 relocated as if their sections started at 0. But the offsets
5138 refering to the symbols in the raw data have not been
5139 modified, so we have to have a negative addend to compensate.
5141 Note that symbols which used to be common must be left alone. */
5143 /* Calculate any reloc addend by looking at the symbol. */
5144 CALC_ADDEND (abfd, ptr, dst, cache_ptr);
5146 cache_ptr->address -= asect->vma;
5147 /* !! cache_ptr->section = NULL;*/
5149 /* Fill in the cache_ptr->howto field from dst.r_type. */
5150 RTYPE2HOWTO (cache_ptr, &dst);
5151 #endif /* RELOC_PROCESSING */
5153 if (cache_ptr->howto == NULL)
5155 (*_bfd_error_handler)
5156 (_("%B: illegal relocation type %d at address 0x%lx"),
5157 abfd, dst.r_type, (long) dst.r_vaddr);
5158 bfd_set_error (bfd_error_bad_value);
5163 asect->relocation = reloc_cache;
5167 #ifndef coff_rtype_to_howto
5170 /* Get the howto structure for a reloc. This is only used if the file
5171 including this one defines coff_relocate_section to be
5172 _bfd_coff_generic_relocate_section, so it is OK if it does not
5173 always work. It is the responsibility of the including file to
5174 make sure it is reasonable if it is needed. */
5176 static reloc_howto_type *
5177 coff_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
5178 asection *sec ATTRIBUTE_UNUSED,
5179 struct internal_reloc *rel,
5180 struct coff_link_hash_entry *h ATTRIBUTE_UNUSED,
5181 struct internal_syment *sym ATTRIBUTE_UNUSED,
5182 bfd_vma *addendp ATTRIBUTE_UNUSED)
5186 genrel.howto = NULL;
5187 RTYPE2HOWTO (&genrel, rel);
5188 return genrel.howto;
5191 #else /* ! defined (RTYPE2HOWTO) */
5193 #define coff_rtype_to_howto NULL
5195 #endif /* ! defined (RTYPE2HOWTO) */
5196 #endif /* ! defined (coff_rtype_to_howto) */
5198 /* This is stupid. This function should be a boolean predicate. */
5201 coff_canonicalize_reloc (bfd * abfd,
5206 arelent *tblptr = section->relocation;
5207 unsigned int count = 0;
5209 if (section->flags & SEC_CONSTRUCTOR)
5211 /* This section has relocs made up by us, they are not in the
5212 file, so take them out of their chain and place them into
5213 the data area provided. */
5214 arelent_chain *chain = section->constructor_chain;
5216 for (count = 0; count < section->reloc_count; count++)
5218 *relptr++ = &chain->relent;
5219 chain = chain->next;
5224 if (! coff_slurp_reloc_table (abfd, section, symbols))
5227 tblptr = section->relocation;
5229 for (; count++ < section->reloc_count;)
5230 *relptr++ = tblptr++;
5233 return section->reloc_count;
5236 #ifndef coff_reloc16_estimate
5237 #define coff_reloc16_estimate dummy_reloc16_estimate
5240 dummy_reloc16_estimate (bfd *abfd ATTRIBUTE_UNUSED,
5241 asection *input_section ATTRIBUTE_UNUSED,
5242 arelent *reloc ATTRIBUTE_UNUSED,
5243 unsigned int shrink ATTRIBUTE_UNUSED,
5244 struct bfd_link_info *link_info ATTRIBUTE_UNUSED)
5252 #ifndef coff_reloc16_extra_cases
5254 #define coff_reloc16_extra_cases dummy_reloc16_extra_cases
5256 /* This works even if abort is not declared in any header file. */
5259 dummy_reloc16_extra_cases (bfd *abfd ATTRIBUTE_UNUSED,
5260 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
5261 struct bfd_link_order *link_order ATTRIBUTE_UNUSED,
5262 arelent *reloc ATTRIBUTE_UNUSED,
5263 bfd_byte *data ATTRIBUTE_UNUSED,
5264 unsigned int *src_ptr ATTRIBUTE_UNUSED,
5265 unsigned int *dst_ptr ATTRIBUTE_UNUSED)
5271 #ifndef coff_bfd_link_hash_table_free
5272 #define coff_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
5275 /* If coff_relocate_section is defined, we can use the optimized COFF
5276 backend linker. Otherwise we must continue to use the old linker. */
5278 #ifdef coff_relocate_section
5280 #ifndef coff_bfd_link_hash_table_create
5281 #define coff_bfd_link_hash_table_create _bfd_coff_link_hash_table_create
5283 #ifndef coff_bfd_link_add_symbols
5284 #define coff_bfd_link_add_symbols _bfd_coff_link_add_symbols
5286 #ifndef coff_bfd_final_link
5287 #define coff_bfd_final_link _bfd_coff_final_link
5290 #else /* ! defined (coff_relocate_section) */
5292 #define coff_relocate_section NULL
5293 #ifndef coff_bfd_link_hash_table_create
5294 #define coff_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
5296 #ifndef coff_bfd_link_add_symbols
5297 #define coff_bfd_link_add_symbols _bfd_generic_link_add_symbols
5299 #define coff_bfd_final_link _bfd_generic_final_link
5301 #endif /* ! defined (coff_relocate_section) */
5303 #define coff_bfd_link_just_syms _bfd_generic_link_just_syms
5304 #define coff_bfd_link_split_section _bfd_generic_link_split_section
5306 #ifndef coff_start_final_link
5307 #define coff_start_final_link NULL
5310 #ifndef coff_adjust_symndx
5311 #define coff_adjust_symndx NULL
5314 #ifndef coff_link_add_one_symbol
5315 #define coff_link_add_one_symbol _bfd_generic_link_add_one_symbol
5318 #ifndef coff_link_output_has_begun
5321 coff_link_output_has_begun (bfd * abfd,
5322 struct coff_final_link_info * info ATTRIBUTE_UNUSED)
5324 return abfd->output_has_begun;
5328 #ifndef coff_final_link_postscript
5331 coff_final_link_postscript (bfd * abfd ATTRIBUTE_UNUSED,
5332 struct coff_final_link_info * pfinfo ATTRIBUTE_UNUSED)
5338 #ifndef coff_SWAP_aux_in
5339 #define coff_SWAP_aux_in coff_swap_aux_in
5341 #ifndef coff_SWAP_sym_in
5342 #define coff_SWAP_sym_in coff_swap_sym_in
5344 #ifndef coff_SWAP_lineno_in
5345 #define coff_SWAP_lineno_in coff_swap_lineno_in
5347 #ifndef coff_SWAP_aux_out
5348 #define coff_SWAP_aux_out coff_swap_aux_out
5350 #ifndef coff_SWAP_sym_out
5351 #define coff_SWAP_sym_out coff_swap_sym_out
5353 #ifndef coff_SWAP_lineno_out
5354 #define coff_SWAP_lineno_out coff_swap_lineno_out
5356 #ifndef coff_SWAP_reloc_out
5357 #define coff_SWAP_reloc_out coff_swap_reloc_out
5359 #ifndef coff_SWAP_filehdr_out
5360 #define coff_SWAP_filehdr_out coff_swap_filehdr_out
5362 #ifndef coff_SWAP_aouthdr_out
5363 #define coff_SWAP_aouthdr_out coff_swap_aouthdr_out
5365 #ifndef coff_SWAP_scnhdr_out
5366 #define coff_SWAP_scnhdr_out coff_swap_scnhdr_out
5368 #ifndef coff_SWAP_reloc_in
5369 #define coff_SWAP_reloc_in coff_swap_reloc_in
5371 #ifndef coff_SWAP_filehdr_in
5372 #define coff_SWAP_filehdr_in coff_swap_filehdr_in
5374 #ifndef coff_SWAP_aouthdr_in
5375 #define coff_SWAP_aouthdr_in coff_swap_aouthdr_in
5377 #ifndef coff_SWAP_scnhdr_in
5378 #define coff_SWAP_scnhdr_in coff_swap_scnhdr_in
5381 static bfd_coff_backend_data bfd_coff_std_swap_table ATTRIBUTE_UNUSED =
5383 coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
5384 coff_SWAP_aux_out, coff_SWAP_sym_out,
5385 coff_SWAP_lineno_out, coff_SWAP_reloc_out,
5386 coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
5387 coff_SWAP_scnhdr_out,
5388 FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN,
5389 #ifdef COFF_LONG_FILENAMES
5394 COFF_DEFAULT_LONG_SECTION_NAMES,
5395 COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
5396 #ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
5401 #ifdef COFF_DEBUG_STRING_WIDE_PREFIX
5406 coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
5407 coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
5408 coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
5409 coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
5410 coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
5411 coff_classify_symbol, coff_compute_section_file_positions,
5412 coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
5413 coff_adjust_symndx, coff_link_add_one_symbol,
5414 coff_link_output_has_begun, coff_final_link_postscript,
5419 /* COFF0 differs in file/section header size and relocation entry size. */
5421 static bfd_coff_backend_data ticoff0_swap_table =
5423 coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
5424 coff_SWAP_aux_out, coff_SWAP_sym_out,
5425 coff_SWAP_lineno_out, coff_SWAP_reloc_out,
5426 coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
5427 coff_SWAP_scnhdr_out,
5428 FILHSZ_V0, AOUTSZ, SCNHSZ_V01, SYMESZ, AUXESZ, RELSZ_V0, LINESZ, FILNMLEN,
5429 #ifdef COFF_LONG_FILENAMES
5434 COFF_DEFAULT_LONG_SECTION_NAMES,
5435 COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
5436 #ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
5441 #ifdef COFF_DEBUG_STRING_WIDE_PREFIX
5446 coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
5447 coff_SWAP_reloc_in, ticoff0_bad_format_hook, coff_set_arch_mach_hook,
5448 coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
5449 coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
5450 coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
5451 coff_classify_symbol, coff_compute_section_file_positions,
5452 coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
5453 coff_adjust_symndx, coff_link_add_one_symbol,
5454 coff_link_output_has_begun, coff_final_link_postscript,
5460 /* COFF1 differs in section header size. */
5462 static bfd_coff_backend_data ticoff1_swap_table =
5464 coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
5465 coff_SWAP_aux_out, coff_SWAP_sym_out,
5466 coff_SWAP_lineno_out, coff_SWAP_reloc_out,
5467 coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
5468 coff_SWAP_scnhdr_out,
5469 FILHSZ, AOUTSZ, SCNHSZ_V01, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN,
5470 #ifdef COFF_LONG_FILENAMES
5475 COFF_DEFAULT_LONG_SECTION_NAMES,
5476 COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
5477 #ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
5482 #ifdef COFF_DEBUG_STRING_WIDE_PREFIX
5487 coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
5488 coff_SWAP_reloc_in, ticoff1_bad_format_hook, coff_set_arch_mach_hook,
5489 coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
5490 coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
5491 coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
5492 coff_classify_symbol, coff_compute_section_file_positions,
5493 coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
5494 coff_adjust_symndx, coff_link_add_one_symbol,
5495 coff_link_output_has_begun, coff_final_link_postscript,
5496 bfd_pe_print_pdata /* huh */
5500 #ifndef coff_close_and_cleanup
5501 #define coff_close_and_cleanup _bfd_generic_close_and_cleanup
5504 #ifndef coff_bfd_free_cached_info
5505 #define coff_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
5508 #ifndef coff_get_section_contents
5509 #define coff_get_section_contents _bfd_generic_get_section_contents
5512 #ifndef coff_bfd_copy_private_symbol_data
5513 #define coff_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
5516 #ifndef coff_bfd_copy_private_header_data
5517 #define coff_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
5520 #ifndef coff_bfd_copy_private_section_data
5521 #define coff_bfd_copy_private_section_data _bfd_generic_bfd_copy_private_section_data
5524 #ifndef coff_bfd_copy_private_bfd_data
5525 #define coff_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
5528 #ifndef coff_bfd_merge_private_bfd_data
5529 #define coff_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
5532 #ifndef coff_bfd_set_private_flags
5533 #define coff_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
5536 #ifndef coff_bfd_print_private_bfd_data
5537 #define coff_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
5540 #ifndef coff_bfd_is_local_label_name
5541 #define coff_bfd_is_local_label_name _bfd_coff_is_local_label_name
5544 #ifndef coff_bfd_is_target_special_symbol
5545 #define coff_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
5548 #ifndef coff_read_minisymbols
5549 #define coff_read_minisymbols _bfd_generic_read_minisymbols
5552 #ifndef coff_minisymbol_to_symbol
5553 #define coff_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
5556 /* The reloc lookup routine must be supplied by each individual COFF
5558 #ifndef coff_bfd_reloc_type_lookup
5559 #define coff_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
5561 #ifndef coff_bfd_reloc_name_lookup
5562 #define coff_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
5565 #ifndef coff_bfd_get_relocated_section_contents
5566 #define coff_bfd_get_relocated_section_contents \
5567 bfd_generic_get_relocated_section_contents
5570 #ifndef coff_bfd_relax_section
5571 #define coff_bfd_relax_section bfd_generic_relax_section
5574 #ifndef coff_bfd_gc_sections
5575 #define coff_bfd_gc_sections bfd_generic_gc_sections
5578 #ifndef coff_bfd_merge_sections
5579 #define coff_bfd_merge_sections bfd_generic_merge_sections
5582 #ifndef coff_bfd_is_group_section
5583 #define coff_bfd_is_group_section bfd_generic_is_group_section
5586 #ifndef coff_bfd_discard_group
5587 #define coff_bfd_discard_group bfd_generic_discard_group
5590 #ifndef coff_section_already_linked
5591 #define coff_section_already_linked \
5592 _bfd_generic_section_already_linked
5595 #define CREATE_BIG_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \
5596 const bfd_target VAR = \
5599 bfd_target_coff_flavour, \
5600 BFD_ENDIAN_BIG, /* Data byte order is big. */ \
5601 BFD_ENDIAN_BIG, /* Header byte order is big. */ \
5602 /* object flags */ \
5603 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
5604 HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
5605 /* section flags */ \
5606 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\
5607 UNDER, /* Leading symbol underscore. */ \
5608 '/', /* AR_pad_char. */ \
5609 15, /* AR_max_namelen. */ \
5611 /* Data conversion functions. */ \
5612 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
5613 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
5614 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
5616 /* Header conversion functions. */ \
5617 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
5618 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
5619 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
5621 /* bfd_check_format. */ \
5622 { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, \
5623 _bfd_dummy_target }, \
5624 /* bfd_set_format. */ \
5625 { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
5626 /* bfd_write_contents. */ \
5627 { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, \
5630 BFD_JUMP_TABLE_GENERIC (coff), \
5631 BFD_JUMP_TABLE_COPY (coff), \
5632 BFD_JUMP_TABLE_CORE (_bfd_nocore), \
5633 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
5634 BFD_JUMP_TABLE_SYMBOLS (coff), \
5635 BFD_JUMP_TABLE_RELOCS (coff), \
5636 BFD_JUMP_TABLE_WRITE (coff), \
5637 BFD_JUMP_TABLE_LINK (coff), \
5638 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
5645 #define CREATE_BIGHDR_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \
5646 const bfd_target VAR = \
5649 bfd_target_coff_flavour, \
5650 BFD_ENDIAN_LITTLE, /* Data byte order is little. */ \
5651 BFD_ENDIAN_BIG, /* Header byte order is big. */ \
5652 /* object flags */ \
5653 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
5654 HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
5655 /* section flags */ \
5656 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\
5657 UNDER, /* Leading symbol underscore. */ \
5658 '/', /* AR_pad_char. */ \
5659 15, /* AR_max_namelen. */ \
5661 /* Data conversion functions. */ \
5662 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
5663 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
5664 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
5666 /* Header conversion functions. */ \
5667 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
5668 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
5669 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
5671 /* bfd_check_format. */ \
5672 { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, \
5673 _bfd_dummy_target }, \
5674 /* bfd_set_format. */ \
5675 { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
5676 /* bfd_write_contents. */ \
5677 { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, \
5680 BFD_JUMP_TABLE_GENERIC (coff), \
5681 BFD_JUMP_TABLE_COPY (coff), \
5682 BFD_JUMP_TABLE_CORE (_bfd_nocore), \
5683 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
5684 BFD_JUMP_TABLE_SYMBOLS (coff), \
5685 BFD_JUMP_TABLE_RELOCS (coff), \
5686 BFD_JUMP_TABLE_WRITE (coff), \
5687 BFD_JUMP_TABLE_LINK (coff), \
5688 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
5695 #define CREATE_LITTLE_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \
5696 const bfd_target VAR = \
5699 bfd_target_coff_flavour, \
5700 BFD_ENDIAN_LITTLE, /* Data byte order is little. */ \
5701 BFD_ENDIAN_LITTLE, /* Header byte order is little. */ \
5702 /* object flags */ \
5703 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
5704 HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
5705 /* section flags */ \
5706 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\
5707 UNDER, /* Leading symbol underscore. */ \
5708 '/', /* AR_pad_char. */ \
5709 15, /* AR_max_namelen. */ \
5711 /* Data conversion functions. */ \
5712 bfd_getl64, bfd_getl_signed_64, bfd_putl64, \
5713 bfd_getl32, bfd_getl_signed_32, bfd_putl32, \
5714 bfd_getl16, bfd_getl_signed_16, bfd_putl16, \
5715 /* Header conversion functions. */ \
5716 bfd_getl64, bfd_getl_signed_64, bfd_putl64, \
5717 bfd_getl32, bfd_getl_signed_32, bfd_putl32, \
5718 bfd_getl16, bfd_getl_signed_16, bfd_putl16, \
5719 /* bfd_check_format. */ \
5720 { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, \
5721 _bfd_dummy_target }, \
5722 /* bfd_set_format. */ \
5723 { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
5724 /* bfd_write_contents. */ \
5725 { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, \
5728 BFD_JUMP_TABLE_GENERIC (coff), \
5729 BFD_JUMP_TABLE_COPY (coff), \
5730 BFD_JUMP_TABLE_CORE (_bfd_nocore), \
5731 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
5732 BFD_JUMP_TABLE_SYMBOLS (coff), \
5733 BFD_JUMP_TABLE_RELOCS (coff), \
5734 BFD_JUMP_TABLE_WRITE (coff), \
5735 BFD_JUMP_TABLE_LINK (coff), \
5736 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \