[ARC] Object attributes.
[deliverable/binutils-gdb.git] / bfd / coffcode.h
CommitLineData
252b5132 1/* Support for the generic parts of most COFF variants, for BFD.
2571583a 2 Copyright (C) 1990-2017 Free Software Foundation, Inc.
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3 Written by Cygnus Support.
4
ed781d5d 5 This file is part of BFD, the Binary File Descriptor library.
252b5132 6
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7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
cd123cb7 9 the Free Software Foundation; either version 3 of the License, or
ed781d5d 10 (at your option) any later version.
252b5132 11
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12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
252b5132 16
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17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
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19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
252b5132 21
7920ce38
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22/* Most of this hacked by Steve Chamberlain,
23 sac@cygnus.com. */
252b5132 24/*
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25SECTION
26 coff backends
27
28 BFD supports a number of different flavours of coff format.
29 The major differences between formats are the sizes and
30 alignments of fields in structures on disk, and the occasional
31 extra field.
32
33 Coff in all its varieties is implemented with a few common
34 files and a number of implementation specific files. For
35 example, The 88k bcs coff format is implemented in the file
36 @file{coff-m88k.c}. This file @code{#include}s
37 @file{coff/m88k.h} which defines the external structure of the
38 coff format for the 88k, and @file{coff/internal.h} which
39 defines the internal structure. @file{coff-m88k.c} also
40 defines the relocations used by the 88k format
41 @xref{Relocations}.
42
43 The Intel i960 processor version of coff is implemented in
44 @file{coff-i960.c}. This file has the same structure as
45 @file{coff-m88k.c}, except that it includes @file{coff/i960.h}
46 rather than @file{coff-m88k.h}.
47
48SUBSECTION
49 Porting to a new version of coff
50
51 The recommended method is to select from the existing
52 implementations the version of coff which is most like the one
53 you want to use. For example, we'll say that i386 coff is
54 the one you select, and that your coff flavour is called foo.
55 Copy @file{i386coff.c} to @file{foocoff.c}, copy
56 @file{../include/coff/i386.h} to @file{../include/coff/foo.h},
57 and add the lines to @file{targets.c} and @file{Makefile.in}
58 so that your new back end is used. Alter the shapes of the
59 structures in @file{../include/coff/foo.h} so that they match
60 what you need. You will probably also have to add
61 @code{#ifdef}s to the code in @file{coff/internal.h} and
62 @file{coffcode.h} if your version of coff is too wild.
63
64 You can verify that your new BFD backend works quite simply by
65 building @file{objdump} from the @file{binutils} directory,
66 and making sure that its version of what's going on and your
67 host system's idea (assuming it has the pretty standard coff
68 dump utility, usually called @code{att-dump} or just
69 @code{dump}) are the same. Then clean up your code, and send
70 what you've done to Cygnus. Then your stuff will be in the
71 next release, and you won't have to keep integrating it.
72
73SUBSECTION
74 How the coff backend works
75
76SUBSUBSECTION
77 File layout
78
79 The Coff backend is split into generic routines that are
80 applicable to any Coff target and routines that are specific
81 to a particular target. The target-specific routines are
82 further split into ones which are basically the same for all
83 Coff targets except that they use the external symbol format
84 or use different values for certain constants.
85
86 The generic routines are in @file{coffgen.c}. These routines
87 work for any Coff target. They use some hooks into the target
88 specific code; the hooks are in a @code{bfd_coff_backend_data}
89 structure, one of which exists for each target.
90
91 The essentially similar target-specific routines are in
92 @file{coffcode.h}. This header file includes executable C code.
93 The various Coff targets first include the appropriate Coff
94 header file, make any special defines that are needed, and
95 then include @file{coffcode.h}.
96
97 Some of the Coff targets then also have additional routines in
98 the target source file itself.
99
100 For example, @file{coff-i960.c} includes
101 @file{coff/internal.h} and @file{coff/i960.h}. It then
102 defines a few constants, such as @code{I960}, and includes
103 @file{coffcode.h}. Since the i960 has complex relocation
104 types, @file{coff-i960.c} also includes some code to
105 manipulate the i960 relocs. This code is not in
106 @file{coffcode.h} because it would not be used by any other
107 target.
108
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109SUBSUBSECTION
110 Coff long section names
111
112 In the standard Coff object format, section names are limited to
113 the eight bytes available in the @code{s_name} field of the
114 @code{SCNHDR} section header structure. The format requires the
115 field to be NUL-padded, but not necessarily NUL-terminated, so
116 the longest section names permitted are a full eight characters.
117
118 The Microsoft PE variants of the Coff object file format add
119 an extension to support the use of long section names. This
68ffbac6 120 extension is defined in section 4 of the Microsoft PE/COFF
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121 specification (rev 8.1). If a section name is too long to fit
122 into the section header's @code{s_name} field, it is instead
123 placed into the string table, and the @code{s_name} field is
68ffbac6 124 filled with a slash ("/") followed by the ASCII decimal
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125 representation of the offset of the full name relative to the
126 string table base.
127
128 Note that this implies that the extension can only be used in object
129 files, as executables do not contain a string table. The standard
130 specifies that long section names from objects emitted into executable
131 images are to be truncated.
132
133 However, as a GNU extension, BFD can generate executable images
134 that contain a string table and long section names. This
135 would appear to be technically valid, as the standard only says
136 that Coff debugging information is deprecated, not forbidden,
137 and in practice it works, although some tools that parse PE files
138 expecting the MS standard format may become confused; @file{PEview} is
139 one known example.
140
68ffbac6 141 The functionality is supported in BFD by code implemented under
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142 the control of the macro @code{COFF_LONG_SECTION_NAMES}. If not
143 defined, the format does not support long section names in any way.
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144 If defined, it is used to initialise a flag,
145 @code{_bfd_coff_long_section_names}, and a hook function pointer,
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146 @code{_bfd_coff_set_long_section_names}, in the Coff backend data
147 structure. The flag controls the generation of long section names
148 in output BFDs at runtime; if it is false, as it will be by default
149 when generating an executable image, long section names are truncated;
150 if true, the long section names extension is employed. The hook
151 points to a function that allows the value of the flag to be altered
152 at runtime, on formats that support long section names at all; on
153 other formats it points to a stub that returns an error indication.
68ffbac6 154
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155 With input BFDs, the flag is set according to whether any long section
156 names are detected while reading the section headers. For a completely
157 new BFD, the flag is set to the default for the target format. This
158 information can be used by a client of the BFD library when deciding
159 what output format to generate, and means that a BFD that is opened
160 for read and subsequently converted to a writeable BFD and modified
161 in-place will retain whatever format it had on input.
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162
163 If @code{COFF_LONG_SECTION_NAMES} is simply defined (blank), or is
164 defined to the value "1", then long section names are enabled by
165 default; if it is defined to the value zero, they are disabled by
166 default (but still accepted in input BFDs). The header @file{coffcode.h}
167 defines a macro, @code{COFF_DEFAULT_LONG_SECTION_NAMES}, which is
168 used in the backends to initialise the backend data structure fields
169 appropriately; see the comments for further detail.
170
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171SUBSUBSECTION
172 Bit twiddling
173
174 Each flavour of coff supported in BFD has its own header file
175 describing the external layout of the structures. There is also
176 an internal description of the coff layout, in
177 @file{coff/internal.h}. A major function of the
178 coff backend is swapping the bytes and twiddling the bits to
179 translate the external form of the structures into the normal
180 internal form. This is all performed in the
181 @code{bfd_swap}_@i{thing}_@i{direction} routines. Some
182 elements are different sizes between different versions of
183 coff; it is the duty of the coff version specific include file
184 to override the definitions of various packing routines in
185 @file{coffcode.h}. E.g., the size of line number entry in coff is
186 sometimes 16 bits, and sometimes 32 bits. @code{#define}ing
187 @code{PUT_LNSZ_LNNO} and @code{GET_LNSZ_LNNO} will select the
188 correct one. No doubt, some day someone will find a version of
189 coff which has a varying field size not catered to at the
190 moment. To port BFD, that person will have to add more @code{#defines}.
191 Three of the bit twiddling routines are exported to
192 @code{gdb}; @code{coff_swap_aux_in}, @code{coff_swap_sym_in}
00692651 193 and @code{coff_swap_lineno_in}. @code{GDB} reads the symbol
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194 table on its own, but uses BFD to fix things up. More of the
195 bit twiddlers are exported for @code{gas};
196 @code{coff_swap_aux_out}, @code{coff_swap_sym_out},
197 @code{coff_swap_lineno_out}, @code{coff_swap_reloc_out},
198 @code{coff_swap_filehdr_out}, @code{coff_swap_aouthdr_out},
199 @code{coff_swap_scnhdr_out}. @code{Gas} currently keeps track
200 of all the symbol table and reloc drudgery itself, thereby
201 saving the internal BFD overhead, but uses BFD to swap things
202 on the way out, making cross ports much safer. Doing so also
203 allows BFD (and thus the linker) to use the same header files
204 as @code{gas}, which makes one avenue to disaster disappear.
205
206SUBSUBSECTION
207 Symbol reading
208
209 The simple canonical form for symbols used by BFD is not rich
210 enough to keep all the information available in a coff symbol
211 table. The back end gets around this problem by keeping the original
212 symbol table around, "behind the scenes".
213
214 When a symbol table is requested (through a call to
215 @code{bfd_canonicalize_symtab}), a request gets through to
216 @code{coff_get_normalized_symtab}. This reads the symbol table from
217 the coff file and swaps all the structures inside into the
218 internal form. It also fixes up all the pointers in the table
219 (represented in the file by offsets from the first symbol in
220 the table) into physical pointers to elements in the new
221 internal table. This involves some work since the meanings of
222 fields change depending upon context: a field that is a
223 pointer to another structure in the symbol table at one moment
224 may be the size in bytes of a structure at the next. Another
225 pass is made over the table. All symbols which mark file names
226 (<<C_FILE>> symbols) are modified so that the internal
227 string points to the value in the auxent (the real filename)
228 rather than the normal text associated with the symbol
229 (@code{".file"}).
230
231 At this time the symbol names are moved around. Coff stores
232 all symbols less than nine characters long physically
233 within the symbol table; longer strings are kept at the end of
46f2f11d 234 the file in the string table. This pass moves all strings
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235 into memory and replaces them with pointers to the strings.
236
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237 The symbol table is massaged once again, this time to create
238 the canonical table used by the BFD application. Each symbol
239 is inspected in turn, and a decision made (using the
240 @code{sclass} field) about the various flags to set in the
241 @code{asymbol}. @xref{Symbols}. The generated canonical table
242 shares strings with the hidden internal symbol table.
243
244 Any linenumbers are read from the coff file too, and attached
245 to the symbols which own the functions the linenumbers belong to.
246
247SUBSUBSECTION
248 Symbol writing
249
250 Writing a symbol to a coff file which didn't come from a coff
251 file will lose any debugging information. The @code{asymbol}
252 structure remembers the BFD from which the symbol was taken, and on
253 output the back end makes sure that the same destination target as
254 source target is present.
255
256 When the symbols have come from a coff file then all the
257 debugging information is preserved.
258
259 Symbol tables are provided for writing to the back end in a
260 vector of pointers to pointers. This allows applications like
261 the linker to accumulate and output large symbol tables
262 without having to do too much byte copying.
263
264 This function runs through the provided symbol table and
265 patches each symbol marked as a file place holder
266 (@code{C_FILE}) to point to the next file place holder in the
267 list. It also marks each @code{offset} field in the list with
268 the offset from the first symbol of the current symbol.
269
270 Another function of this procedure is to turn the canonical
271 value form of BFD into the form used by coff. Internally, BFD
272 expects symbol values to be offsets from a section base; so a
273 symbol physically at 0x120, but in a section starting at
274 0x100, would have the value 0x20. Coff expects symbols to
275 contain their final value, so symbols have their values
276 changed at this point to reflect their sum with their owning
277 section. This transformation uses the
278 <<output_section>> field of the @code{asymbol}'s
279 @code{asection} @xref{Sections}.
280
281 o <<coff_mangle_symbols>>
282
283 This routine runs though the provided symbol table and uses
284 the offsets generated by the previous pass and the pointers
285 generated when the symbol table was read in to create the
ed781d5d 286 structured hierarchy required by coff. It changes each pointer
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287 to a symbol into the index into the symbol table of the asymbol.
288
289 o <<coff_write_symbols>>
290
291 This routine runs through the symbol table and patches up the
292 symbols from their internal form into the coff way, calls the
293 bit twiddlers, and writes out the table to the file.
294
295*/
296
297/*
298INTERNAL_DEFINITION
299 coff_symbol_type
300
301DESCRIPTION
302 The hidden information for an <<asymbol>> is described in a
303 <<combined_entry_type>>:
304
305CODE_FRAGMENT
306.
307.typedef struct coff_ptr_struct
308.{
dc810e39 309. {* Remembers the offset from the first symbol in the file for
a5c71af8 310. this symbol. Generated by coff_renumber_symbols. *}
dc810e39 311. unsigned int offset;
252b5132 312.
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313. {* Should the value of this symbol be renumbered. Used for
314. XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. *}
315. unsigned int fix_value : 1;
252b5132 316.
dc810e39 317. {* Should the tag field of this symbol be renumbered.
a5c71af8 318. Created by coff_pointerize_aux. *}
dc810e39 319. unsigned int fix_tag : 1;
252b5132 320.
dc810e39 321. {* Should the endidx field of this symbol be renumbered.
a5c71af8 322. Created by coff_pointerize_aux. *}
dc810e39 323. unsigned int fix_end : 1;
252b5132 324.
dc810e39 325. {* Should the x_csect.x_scnlen field be renumbered.
a5c71af8 326. Created by coff_pointerize_aux. *}
dc810e39 327. unsigned int fix_scnlen : 1;
252b5132 328.
dc810e39
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329. {* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the
330. index into the line number entries. Set by coff_slurp_symbol_table. *}
331. unsigned int fix_line : 1;
252b5132 332.
dc810e39 333. {* The container for the symbol structure as read and translated
a5c71af8 334. from the file. *}
dc810e39
AM
335. union
336. {
337. union internal_auxent auxent;
338. struct internal_syment syment;
339. } u;
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340.
341. {* Selector for the union above. *}
342. bfd_boolean is_sym;
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343.} combined_entry_type;
344.
345.
346.{* Each canonical asymbol really looks like this: *}
347.
348.typedef struct coff_symbol_struct
349.{
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350. {* The actual symbol which the rest of BFD works with *}
351. asymbol symbol;
252b5132 352.
dc810e39
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353. {* A pointer to the hidden information for this symbol *}
354. combined_entry_type *native;
252b5132 355.
dc810e39
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356. {* A pointer to the linenumber information for this symbol *}
357. struct lineno_cache_entry *lineno;
252b5132 358.
dc810e39 359. {* Have the line numbers been relocated yet ? *}
b34976b6 360. bfd_boolean done_lineno;
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361.} coff_symbol_type;
362
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363*/
364
3d03da9a
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365#include "libiberty.h"
366
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367#ifdef COFF_WITH_PE
368#include "peicode.h"
369#else
370#include "coffswap.h"
371#endif
372
b5b2699c 373#define STRING_SIZE_SIZE 4
252b5132 374
8a7140c3 375#define DOT_DEBUG ".debug"
a29a8af8 376#define DOT_ZDEBUG ".zdebug"
8a7140c3 377#define GNU_LINKONCE_WI ".gnu.linkonce.wi."
802d4822 378#define GNU_LINKONCE_WT ".gnu.linkonce.wt."
bdeb4032 379#define DOT_RELOC ".reloc"
8a7140c3 380
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381#if defined (COFF_LONG_SECTION_NAMES)
382/* Needed to expand the inputs to BLANKOR1TOODD. */
383#define COFFLONGSECTIONCATHELPER(x,y) x ## y
384/* If the input macro Y is blank or '1', return an odd number; if it is
385 '0', return an even number. Result undefined in all other cases. */
386#define BLANKOR1TOODD(y) COFFLONGSECTIONCATHELPER(1,y)
387/* Defined to numerical 0 or 1 according to whether generation of long
388 section names is disabled or enabled by default. */
389#define COFF_ENABLE_LONG_SECTION_NAMES (BLANKOR1TOODD(COFF_LONG_SECTION_NAMES) & 1)
390/* Where long section names are supported, we allow them to be enabled
391 and disabled at runtime, so select an appropriate hook function for
392 _bfd_coff_set_long_section_names. */
393#define COFF_LONG_SECTION_NAMES_SETTER bfd_coff_set_long_section_names_allowed
394#else /* !defined (COFF_LONG_SECTION_NAMES) */
395/* If long section names are not supported, this stub disallows any
396 attempt to enable them at run-time. */
397#define COFF_LONG_SECTION_NAMES_SETTER bfd_coff_set_long_section_names_disallowed
398#endif /* defined (COFF_LONG_SECTION_NAMES) */
399
400/* Define a macro that can be used to initialise both the fields relating
401 to long section names in the backend data struct simultaneously. */
402#if COFF_ENABLE_LONG_SECTION_NAMES
403#define COFF_DEFAULT_LONG_SECTION_NAMES (TRUE), COFF_LONG_SECTION_NAMES_SETTER
404#else /* !COFF_ENABLE_LONG_SECTION_NAMES */
405#define COFF_DEFAULT_LONG_SECTION_NAMES (FALSE), COFF_LONG_SECTION_NAMES_SETTER
406#endif /* COFF_ENABLE_LONG_SECTION_NAMES */
407
408#if defined (COFF_LONG_SECTION_NAMES)
409static bfd_boolean bfd_coff_set_long_section_names_allowed
410 (bfd *, int);
411#else /* !defined (COFF_LONG_SECTION_NAMES) */
412static bfd_boolean bfd_coff_set_long_section_names_disallowed
413 (bfd *, int);
414#endif /* defined (COFF_LONG_SECTION_NAMES) */
b34976b6 415static long sec_to_styp_flags
7920ce38 416 (const char *, flagword);
b34976b6 417static bfd_boolean styp_to_sec_flags
7920ce38 418 (bfd *, void *, const char *, asection *, flagword *);
b34976b6 419static bfd_boolean coff_bad_format_hook
7920ce38 420 (bfd *, void *);
5dccc1dd 421static void coff_set_custom_section_alignment
7920ce38
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422 (bfd *, asection *, const struct coff_section_alignment_entry *,
423 const unsigned int);
b34976b6 424static bfd_boolean coff_new_section_hook
7920ce38 425 (bfd *, asection *);
b34976b6 426static bfd_boolean coff_set_arch_mach_hook
7920ce38 427 (bfd *, void *);
b34976b6 428static bfd_boolean coff_write_relocs
7920ce38 429 (bfd *, int);
b34976b6 430static bfd_boolean coff_set_flags
7920ce38 431 (bfd *, unsigned int *, unsigned short *);
b34976b6 432static bfd_boolean coff_set_arch_mach
7920ce38 433 (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_UNUSED;
b34976b6 434static bfd_boolean coff_compute_section_file_positions
7920ce38 435 (bfd *);
b34976b6 436static bfd_boolean coff_write_object_contents
7920ce38 437 (bfd *) ATTRIBUTE_UNUSED;
b34976b6 438static bfd_boolean coff_set_section_contents
7920ce38
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439 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
440static void * buy_and_read
441 (bfd *, file_ptr, bfd_size_type);
b34976b6 442static bfd_boolean coff_slurp_line_table
7920ce38 443 (bfd *, asection *);
b34976b6 444static bfd_boolean coff_slurp_symbol_table
7920ce38 445 (bfd *);
5d54c628 446static enum coff_symbol_classification coff_classify_symbol
7920ce38 447 (bfd *, struct internal_syment *);
b34976b6 448static bfd_boolean coff_slurp_reloc_table
7920ce38 449 (bfd *, asection *, asymbol **);
252b5132 450static long coff_canonicalize_reloc
7920ce38 451 (bfd *, asection *, arelent **, asymbol **);
252b5132 452#ifndef coff_mkobject_hook
7920ce38
NC
453static void * coff_mkobject_hook
454 (bfd *, void *, void *);
252b5132 455#endif
1276aefa 456#ifdef COFF_WITH_PE
b34976b6 457static flagword handle_COMDAT
7920ce38 458 (bfd *, flagword, void *, const char *, asection *);
1276aefa 459#endif
05793179 460#ifdef COFF_IMAGE_WITH_PE
b34976b6 461static bfd_boolean coff_read_word
7920ce38 462 (bfd *, unsigned int *);
b34976b6 463static unsigned int coff_compute_checksum
7920ce38 464 (bfd *);
b34976b6 465static bfd_boolean coff_apply_checksum
7920ce38 466 (bfd *);
05793179 467#endif
5a5b9651
SS
468#ifdef TICOFF
469static bfd_boolean ticoff0_bad_format_hook
7920ce38 470 (bfd *, void * );
5a5b9651 471static bfd_boolean ticoff1_bad_format_hook
7920ce38 472 (bfd *, void * );
5a5b9651 473#endif
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474\f
475/* void warning(); */
476
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477#if defined (COFF_LONG_SECTION_NAMES)
478static bfd_boolean
479bfd_coff_set_long_section_names_allowed (bfd *abfd, int enable)
480{
481 coff_backend_info (abfd)->_bfd_coff_long_section_names = enable;
482 return TRUE;
483}
484#else /* !defined (COFF_LONG_SECTION_NAMES) */
485static bfd_boolean
486bfd_coff_set_long_section_names_disallowed (bfd *abfd, int enable)
487{
488 (void) abfd;
489 (void) enable;
490 return FALSE;
491}
492#endif /* defined (COFF_LONG_SECTION_NAMES) */
493
41733515
ILT
494/* Return a word with STYP_* (scnhdr.s_flags) flags set to represent
495 the incoming SEC_* flags. The inverse of this function is
496 styp_to_sec_flags(). NOTE: If you add to/change this routine, you
497 should probably mirror the changes in styp_to_sec_flags(). */
498
499#ifndef COFF_WITH_PE
500
51db3708 501/* Macros for setting debugging flags. */
7920ce38 502
51db3708
NC
503#ifdef STYP_DEBUG
504#define STYP_XCOFF_DEBUG STYP_DEBUG
505#else
506#define STYP_XCOFF_DEBUG STYP_INFO
507#endif
508
509#ifdef COFF_ALIGN_IN_S_FLAGS
510#define STYP_DEBUG_INFO STYP_DSECT
511#else
512#define STYP_DEBUG_INFO STYP_INFO
513#endif
514
252b5132 515static long
7920ce38 516sec_to_styp_flags (const char *sec_name, flagword sec_flags)
252b5132
RH
517{
518 long styp_flags = 0;
519
520 if (!strcmp (sec_name, _TEXT))
521 {
522 styp_flags = STYP_TEXT;
523 }
524 else if (!strcmp (sec_name, _DATA))
525 {
526 styp_flags = STYP_DATA;
527 }
528 else if (!strcmp (sec_name, _BSS))
529 {
530 styp_flags = STYP_BSS;
531#ifdef _COMMENT
532 }
533 else if (!strcmp (sec_name, _COMMENT))
534 {
535 styp_flags = STYP_INFO;
536#endif /* _COMMENT */
537#ifdef _LIB
538 }
539 else if (!strcmp (sec_name, _LIB))
540 {
541 styp_flags = STYP_LIB;
542#endif /* _LIB */
543#ifdef _LIT
544 }
545 else if (!strcmp (sec_name, _LIT))
546 {
547 styp_flags = STYP_LIT;
548#endif /* _LIT */
549 }
a29a8af8
KT
550 else if (CONST_STRNEQ (sec_name, DOT_DEBUG)
551 || CONST_STRNEQ (sec_name, DOT_ZDEBUG))
252b5132 552 {
51db3708
NC
553 /* Handle the XCOFF debug section and DWARF2 debug sections. */
554 if (!sec_name[6])
46f2f11d 555 styp_flags = STYP_XCOFF_DEBUG;
51db3708 556 else
46f2f11d 557 styp_flags = STYP_DEBUG_INFO;
252b5132 558 }
0112cd26 559 else if (CONST_STRNEQ (sec_name, ".stab"))
252b5132 560 {
51db3708
NC
561 styp_flags = STYP_DEBUG_INFO;
562 }
563#ifdef COFF_LONG_SECTION_NAMES
802d4822
KT
564 else if (CONST_STRNEQ (sec_name, GNU_LINKONCE_WI)
565 || CONST_STRNEQ (sec_name, GNU_LINKONCE_WT))
51db3708
NC
566 {
567 styp_flags = STYP_DEBUG_INFO;
252b5132 568 }
51db3708 569#endif
252b5132
RH
570#ifdef RS6000COFF_C
571 else if (!strcmp (sec_name, _PAD))
572 {
573 styp_flags = STYP_PAD;
574 }
575 else if (!strcmp (sec_name, _LOADER))
576 {
577 styp_flags = STYP_LOADER;
578 }
67fdeebe
TR
579 else if (!strcmp (sec_name, _EXCEPT))
580 {
581 styp_flags = STYP_EXCEPT;
582 }
583 else if (!strcmp (sec_name, _TYPCHK))
584 {
585 styp_flags = STYP_TYPCHK;
586 }
85645aed
TG
587 else if (sec_flags & SEC_DEBUGGING)
588 {
589 int i;
590
591 for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++)
592 if (!strcmp (sec_name, xcoff_dwsect_names[i].name))
593 {
594 styp_flags = STYP_DWARF | xcoff_dwsect_names[i].flag;
595 break;
596 }
597 }
252b5132
RH
598#endif
599 /* Try and figure out what it should be */
600 else if (sec_flags & SEC_CODE)
601 {
602 styp_flags = STYP_TEXT;
603 }
604 else if (sec_flags & SEC_DATA)
605 {
606 styp_flags = STYP_DATA;
607 }
608 else if (sec_flags & SEC_READONLY)
609 {
610#ifdef STYP_LIT /* 29k readonly text/data section */
611 styp_flags = STYP_LIT;
612#else
613 styp_flags = STYP_TEXT;
614#endif /* STYP_LIT */
615 }
616 else if (sec_flags & SEC_LOAD)
617 {
618 styp_flags = STYP_TEXT;
619 }
620 else if (sec_flags & SEC_ALLOC)
621 {
622 styp_flags = STYP_BSS;
623 }
624
34cbe64e 625#ifdef STYP_CLINK
ebe372c1 626 if (sec_flags & SEC_TIC54X_CLINK)
34cbe64e
TW
627 styp_flags |= STYP_CLINK;
628#endif
629
630#ifdef STYP_BLOCK
ebe372c1 631 if (sec_flags & SEC_TIC54X_BLOCK)
34cbe64e
TW
632 styp_flags |= STYP_BLOCK;
633#endif
634
252b5132
RH
635#ifdef STYP_NOLOAD
636 if ((sec_flags & (SEC_NEVER_LOAD | SEC_COFF_SHARED_LIBRARY)) != 0)
637 styp_flags |= STYP_NOLOAD;
638#endif
639
41733515
ILT
640 return styp_flags;
641}
642
643#else /* COFF_WITH_PE */
644
645/* The PE version; see above for the general comments. The non-PE
646 case seems to be more guessing, and breaks PE format; specifically,
647 .rdata is readonly, but it sure ain't text. Really, all this
648 should be set up properly in gas (or whatever assembler is in use),
649 and honor whatever objcopy/strip, etc. sent us as input. */
650
651static long
7920ce38 652sec_to_styp_flags (const char *sec_name, flagword sec_flags)
41733515
ILT
653{
654 long styp_flags = 0;
72e4db75
KT
655 bfd_boolean is_dbg = FALSE;
656
657 if (CONST_STRNEQ (sec_name, DOT_DEBUG)
a29a8af8 658 || CONST_STRNEQ (sec_name, DOT_ZDEBUG)
72e4db75
KT
659#ifdef COFF_LONG_SECTION_NAMES
660 || CONST_STRNEQ (sec_name, GNU_LINKONCE_WI)
802d4822 661 || CONST_STRNEQ (sec_name, GNU_LINKONCE_WT)
72e4db75
KT
662#endif
663 || CONST_STRNEQ (sec_name, ".stab"))
664 is_dbg = TRUE;
41733515
ILT
665
666 /* caution: there are at least three groups of symbols that have
667 very similar bits and meanings: IMAGE_SCN*, SEC_*, and STYP_*.
668 SEC_* are the BFD internal flags, used for generic BFD
669 information. STYP_* are the COFF section flags which appear in
670 COFF files. IMAGE_SCN_* are the PE section flags which appear in
671 PE files. The STYP_* flags and the IMAGE_SCN_* flags overlap,
672 but there are more IMAGE_SCN_* flags. */
673
8a7140c3 674 /* FIXME: There is no gas syntax to specify the debug section flag. */
72e4db75 675 if (is_dbg)
72b016b4 676 {
2b914c2b
KT
677 sec_flags &= (SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD
678 | SEC_LINK_DUPLICATES_SAME_CONTENTS
679 | SEC_LINK_DUPLICATES_SAME_SIZE);
72b016b4
NC
680 sec_flags |= SEC_DEBUGGING | SEC_READONLY;
681 }
8a7140c3 682
41733515
ILT
683 /* skip LOAD */
684 /* READONLY later */
685 /* skip RELOC */
686 if ((sec_flags & SEC_CODE) != 0)
687 styp_flags |= IMAGE_SCN_CNT_CODE;
72e4db75 688 if ((sec_flags & (SEC_DATA | SEC_DEBUGGING)) != 0)
41733515
ILT
689 styp_flags |= IMAGE_SCN_CNT_INITIALIZED_DATA;
690 if ((sec_flags & SEC_ALLOC) != 0 && (sec_flags & SEC_LOAD) == 0)
691 styp_flags |= IMAGE_SCN_CNT_UNINITIALIZED_DATA; /* ==STYP_BSS */
692 /* skip ROM */
dc810e39 693 /* skip constRUCTOR */
41733515 694 /* skip CONTENTS */
41733515 695 if ((sec_flags & SEC_IS_COMMON) != 0)
252b5132 696 styp_flags |= IMAGE_SCN_LNK_COMDAT;
41733515
ILT
697 if ((sec_flags & SEC_DEBUGGING) != 0)
698 styp_flags |= IMAGE_SCN_MEM_DISCARDABLE;
72e4db75 699 if ((sec_flags & SEC_EXCLUDE) != 0 && !is_dbg)
41733515 700 styp_flags |= IMAGE_SCN_LNK_REMOVE;
72e4db75 701 if ((sec_flags & SEC_NEVER_LOAD) != 0 && !is_dbg)
41733515
ILT
702 styp_flags |= IMAGE_SCN_LNK_REMOVE;
703 /* skip IN_MEMORY */
704 /* skip SORT */
e60b52c6
KH
705 if (sec_flags & SEC_LINK_ONCE)
706 styp_flags |= IMAGE_SCN_LNK_COMDAT;
2b914c2b
KT
707 if ((sec_flags
708 & (SEC_LINK_DUPLICATES_DISCARD | SEC_LINK_DUPLICATES_SAME_CONTENTS
709 | SEC_LINK_DUPLICATES_SAME_SIZE)) != 0)
710 styp_flags |= IMAGE_SCN_LNK_COMDAT;
68ffbac6 711
41733515
ILT
712 /* skip LINKER_CREATED */
713
156621f3
KT
714 if ((sec_flags & SEC_COFF_NOREAD) == 0)
715 styp_flags |= IMAGE_SCN_MEM_READ; /* Invert NOREAD for read. */
716 if ((sec_flags & SEC_READONLY) == 0)
717 styp_flags |= IMAGE_SCN_MEM_WRITE; /* Invert READONLY for write. */
718 if (sec_flags & SEC_CODE)
719 styp_flags |= IMAGE_SCN_MEM_EXECUTE; /* CODE->EXECUTE. */
720 if (sec_flags & SEC_COFF_SHARED)
721 styp_flags |= IMAGE_SCN_MEM_SHARED; /* Shared remains meaningful. */
252b5132 722
e60b52c6 723 return styp_flags;
252b5132 724}
41733515
ILT
725
726#endif /* COFF_WITH_PE */
727
728/* Return a word with SEC_* flags set to represent the incoming STYP_*
729 flags (from scnhdr.s_flags). The inverse of this function is
730 sec_to_styp_flags(). NOTE: If you add to/change this routine, you
731 should probably mirror the changes in sec_to_styp_flags(). */
732
733#ifndef COFF_WITH_PE
734
b34976b6 735static bfd_boolean
7920ce38
NC
736styp_to_sec_flags (bfd *abfd ATTRIBUTE_UNUSED,
737 void * hdr,
738 const char *name,
739 asection *section ATTRIBUTE_UNUSED,
740 flagword *flags_ptr)
252b5132
RH
741{
742 struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
743 long styp_flags = internal_s->s_flags;
744 flagword sec_flags = 0;
745
34cbe64e
TW
746#ifdef STYP_BLOCK
747 if (styp_flags & STYP_BLOCK)
ebe372c1 748 sec_flags |= SEC_TIC54X_BLOCK;
e60b52c6 749#endif
34cbe64e
TW
750
751#ifdef STYP_CLINK
752 if (styp_flags & STYP_CLINK)
ebe372c1 753 sec_flags |= SEC_TIC54X_CLINK;
e60b52c6 754#endif
34cbe64e 755
252b5132
RH
756#ifdef STYP_NOLOAD
757 if (styp_flags & STYP_NOLOAD)
7c8ca0e4 758 sec_flags |= SEC_NEVER_LOAD;
252b5132
RH
759#endif /* STYP_NOLOAD */
760
761 /* For 386 COFF, at least, an unloadable text or data section is
762 actually a shared library section. */
763 if (styp_flags & STYP_TEXT)
764 {
765 if (sec_flags & SEC_NEVER_LOAD)
766 sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY;
767 else
768 sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC;
769 }
770 else if (styp_flags & STYP_DATA)
771 {
772 if (sec_flags & SEC_NEVER_LOAD)
773 sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY;
774 else
775 sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
776 }
777 else if (styp_flags & STYP_BSS)
778 {
779#ifdef BSS_NOLOAD_IS_SHARED_LIBRARY
780 if (sec_flags & SEC_NEVER_LOAD)
781 sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY;
782 else
783#endif
784 sec_flags |= SEC_ALLOC;
785 }
786 else if (styp_flags & STYP_INFO)
787 {
788 /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is
789 defined. coff_compute_section_file_positions uses
790 COFF_PAGE_SIZE to ensure that the low order bits of the
791 section VMA and the file offset match. If we don't know
792 COFF_PAGE_SIZE, we can't ensure the correct correspondence,
793 and demand page loading of the file will fail. */
794#if defined (COFF_PAGE_SIZE) && !defined (COFF_ALIGN_IN_S_FLAGS)
795 sec_flags |= SEC_DEBUGGING;
796#endif
797 }
798 else if (styp_flags & STYP_PAD)
7c8ca0e4 799 sec_flags = 0;
85645aed 800#ifdef RS6000COFF_C
110a61d3
JB
801 else if (styp_flags & STYP_EXCEPT)
802 sec_flags |= SEC_LOAD;
803 else if (styp_flags & STYP_LOADER)
804 sec_flags |= SEC_LOAD;
805 else if (styp_flags & STYP_TYPCHK)
806 sec_flags |= SEC_LOAD;
85645aed
TG
807 else if (styp_flags & STYP_DWARF)
808 sec_flags |= SEC_DEBUGGING;
809#endif
252b5132
RH
810 else if (strcmp (name, _TEXT) == 0)
811 {
812 if (sec_flags & SEC_NEVER_LOAD)
813 sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY;
814 else
815 sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC;
816 }
817 else if (strcmp (name, _DATA) == 0)
818 {
819 if (sec_flags & SEC_NEVER_LOAD)
820 sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY;
821 else
822 sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC;
823 }
824 else if (strcmp (name, _BSS) == 0)
825 {
826#ifdef BSS_NOLOAD_IS_SHARED_LIBRARY
827 if (sec_flags & SEC_NEVER_LOAD)
828 sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY;
829 else
830#endif
831 sec_flags |= SEC_ALLOC;
832 }
0112cd26 833 else if (CONST_STRNEQ (name, DOT_DEBUG)
a29a8af8 834 || CONST_STRNEQ (name, DOT_ZDEBUG)
252b5132
RH
835#ifdef _COMMENT
836 || strcmp (name, _COMMENT) == 0
51db3708
NC
837#endif
838#ifdef COFF_LONG_SECTION_NAMES
0112cd26 839 || CONST_STRNEQ (name, GNU_LINKONCE_WI)
802d4822 840 || CONST_STRNEQ (name, GNU_LINKONCE_WT)
252b5132 841#endif
0112cd26 842 || CONST_STRNEQ (name, ".stab"))
252b5132
RH
843 {
844#ifdef COFF_PAGE_SIZE
845 sec_flags |= SEC_DEBUGGING;
846#endif
847 }
848#ifdef _LIB
849 else if (strcmp (name, _LIB) == 0)
850 ;
851#endif
852#ifdef _LIT
853 else if (strcmp (name, _LIT) == 0)
7c8ca0e4 854 sec_flags = SEC_LOAD | SEC_ALLOC | SEC_READONLY;
252b5132
RH
855#endif
856 else
7c8ca0e4 857 sec_flags |= SEC_ALLOC | SEC_LOAD;
252b5132 858
ed781d5d 859#ifdef STYP_LIT /* A29k readonly text/data section type. */
252b5132 860 if ((styp_flags & STYP_LIT) == STYP_LIT)
7c8ca0e4 861 sec_flags = (SEC_LOAD | SEC_ALLOC | SEC_READONLY);
252b5132 862#endif /* STYP_LIT */
7c8ca0e4 863
ed781d5d 864#ifdef STYP_OTHER_LOAD /* Other loaded sections. */
252b5132 865 if (styp_flags & STYP_OTHER_LOAD)
7c8ca0e4 866 sec_flags = (SEC_LOAD | SEC_ALLOC);
252b5132
RH
867#endif /* STYP_SDATA */
868
41733515
ILT
869#if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE)
870 /* As a GNU extension, if the name begins with .gnu.linkonce, we
871 only link a single copy of the section. This is used to support
872 g++. g++ will emit each template expansion in its own section.
873 The symbols will be defined as weak, so that multiple definitions
874 are permitted. The GNU linker extension is to actually discard
875 all but one of the sections. */
0112cd26 876 if (CONST_STRNEQ (name, ".gnu.linkonce"))
41733515
ILT
877 sec_flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
878#endif
879
7c8ca0e4 880 if (flags_ptr == NULL)
b34976b6 881 return FALSE;
7c8ca0e4
NC
882
883 * flags_ptr = sec_flags;
b34976b6 884 return TRUE;
41733515
ILT
885}
886
887#else /* COFF_WITH_PE */
888
41733515 889static flagword
7920ce38
NC
890handle_COMDAT (bfd * abfd,
891 flagword sec_flags,
892 void * hdr,
893 const char *name,
894 asection *section)
41733515
ILT
895{
896 struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
1276aefa
NC
897 bfd_byte *esymstart, *esym, *esymend;
898 int seen_state = 0;
899 char *target_name = NULL;
900
901 sec_flags |= SEC_LINK_ONCE;
902
903 /* Unfortunately, the PE format stores essential information in
904 the symbol table, of all places. We need to extract that
905 information now, so that objdump and the linker will know how
906 to handle the section without worrying about the symbols. We
907 can't call slurp_symtab, because the linker doesn't want the
908 swapped symbols. */
909
910 /* COMDAT sections are special. The first symbol is the section
911 symbol, which tells what kind of COMDAT section it is. The
912 second symbol is the "comdat symbol" - the one with the
913 unique name. GNU uses the section symbol for the unique
914 name; MS uses ".text" for every comdat section. Sigh. - DJ */
915
916 /* This is not mirrored in sec_to_styp_flags(), but there
917 doesn't seem to be a need to, either, and it would at best be
918 rather messy. */
919
920 if (! _bfd_coff_get_external_symbols (abfd))
921 return sec_flags;
dc810e39 922
1276aefa
NC
923 esymstart = esym = (bfd_byte *) obj_coff_external_syms (abfd);
924 esymend = esym + obj_raw_syment_count (abfd) * bfd_coff_symesz (abfd);
925
926 while (esym < esymend)
41733515 927 {
1276aefa
NC
928 struct internal_syment isym;
929 char buf[SYMNMLEN + 1];
930 const char *symname;
252b5132 931
7920ce38 932 bfd_coff_swap_sym_in (abfd, esym, & isym);
252b5132 933
a6f921c8 934 BFD_ASSERT (sizeof (internal_s->s_name) <= SYMNMLEN);
1276aefa
NC
935
936 if (isym.n_scnum == section->target_index)
937 {
938 /* According to the MSVC documentation, the first
939 TWO entries with the section # are both of
940 interest to us. The first one is the "section
941 symbol" (section name). The second is the comdat
942 symbol name. Here, we've found the first
943 qualifying entry; we distinguish it from the
944 second with a state flag.
945
946 In the case of gas-generated (at least until that
947 is fixed) .o files, it isn't necessarily the
948 second one. It may be some other later symbol.
949
950 Since gas also doesn't follow MS conventions and
951 emits the section similar to .text$<name>, where
952 <something> is the name we're looking for, we
953 distinguish the two as follows:
954
955 If the section name is simply a section name (no
956 $) we presume it's MS-generated, and look at
957 precisely the second symbol for the comdat name.
958 If the section name has a $, we assume it's
959 gas-generated, and look for <something> (whatever
960 follows the $) as the comdat symbol. */
961
ed781d5d 962 /* All 3 branches use this. */
1276aefa
NC
963 symname = _bfd_coff_internal_syment_name (abfd, &isym, buf);
964
1b786873 965 /* PR 17512 file: 078-11867-0.004 */
1276aefa 966 if (symname == NULL)
a6f921c8 967 {
63a5468a
AM
968 _bfd_error_handler (_("%B: unable to load COMDAT section name"),
969 abfd);
a6f921c8
NC
970 break;
971 }
1276aefa
NC
972
973 switch (seen_state)
252b5132 974 {
1276aefa
NC
975 case 0:
976 {
977 /* The first time we've seen the symbol. */
978 union internal_auxent aux;
979
1276aefa
NC
980 /* If it isn't the stuff we're expecting, die;
981 The MS documentation is vague, but it
982 appears that the second entry serves BOTH
983 as the comdat symbol and the defining
984 symbol record (either C_STAT or C_EXT,
985 possibly with an aux entry with debug
986 information if it's a function.) It
987 appears the only way to find the second one
988 is to count. (On Intel, they appear to be
989 adjacent, but on Alpha, they have been
990 found separated.)
991
992 Here, we think we've found the first one,
993 but there's some checking we can do to be
994 sure. */
995
20135e4c
NC
996 if (! ((isym.n_sclass == C_STAT
997 || isym.n_sclass == C_EXT)
f432e63c 998 && BTYPE (isym.n_type) == T_NULL
1276aefa
NC
999 && isym.n_value == 0))
1000 abort ();
252b5132 1001
1276aefa
NC
1002 /* FIXME LATER: MSVC generates section names
1003 like .text for comdats. Gas generates
1004 names like .text$foo__Fv (in the case of a
1005 function). See comment above for more. */
252b5132 1006
20135e4c 1007 if (isym.n_sclass == C_STAT && strcmp (name, symname) != 0)
695344c0 1008 /* xgettext:c-format */
63a5468a
AM
1009 _bfd_error_handler (_("%B: warning: COMDAT symbol '%s'"
1010 " does not match section name '%s'"),
6e3b6835
NC
1011 abfd, symname, name);
1012
1013 seen_state = 1;
252b5132 1014
4e5cb37e
NC
1015 /* PR 17512: file: e2cfe54f. */
1016 if (esym + bfd_coff_symesz (abfd) >= esymend)
1017 {
695344c0 1018 /* xgettext:c-format */
63a5468a
AM
1019 _bfd_error_handler (_("%B: warning: No symbol for"
1020 " section '%s' found"),
4e5cb37e
NC
1021 abfd, symname);
1022 break;
1023 }
1276aefa 1024 /* This is the section symbol. */
7920ce38 1025 bfd_coff_swap_aux_in (abfd, (esym + bfd_coff_symesz (abfd)),
1276aefa 1026 isym.n_type, isym.n_sclass,
7920ce38 1027 0, isym.n_numaux, & aux);
1276aefa
NC
1028
1029 target_name = strchr (name, '$');
1030 if (target_name != NULL)
1031 {
1032 /* Gas mode. */
1033 seen_state = 2;
1034 /* Skip the `$'. */
1035 target_name += 1;
1036 }
1037
1038 /* FIXME: Microsoft uses NODUPLICATES and
1039 ASSOCIATIVE, but gnu uses ANY and
1040 SAME_SIZE. Unfortunately, gnu doesn't do
1041 the comdat symbols right. So, until we can
1042 fix it to do the right thing, we are
1043 temporarily disabling comdats for the MS
1044 types (they're used in DLLs and C++, but we
1045 don't support *their* C++ libraries anyway
1046 - DJ. */
1047
1048 /* Cygwin does not follow the MS style, and
1049 uses ANY and SAME_SIZE where NODUPLICATES
1050 and ASSOCIATIVE should be used. For
1051 Interix, we just do the right thing up
1052 front. */
1053
1054 switch (aux.x_scn.x_comdat)
1055 {
1056 case IMAGE_COMDAT_SELECT_NODUPLICATES:
e60b52c6 1057#ifdef STRICT_PE_FORMAT
1276aefa 1058 sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY;
ec0ef80e 1059#else
1276aefa 1060 sec_flags &= ~SEC_LINK_ONCE;
ec0ef80e 1061#endif
1276aefa 1062 break;
252b5132 1063
1276aefa
NC
1064 case IMAGE_COMDAT_SELECT_ANY:
1065 sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
1066 break;
252b5132 1067
1276aefa
NC
1068 case IMAGE_COMDAT_SELECT_SAME_SIZE:
1069 sec_flags |= SEC_LINK_DUPLICATES_SAME_SIZE;
1070 break;
252b5132 1071
1276aefa
NC
1072 case IMAGE_COMDAT_SELECT_EXACT_MATCH:
1073 /* Not yet fully implemented ??? */
1074 sec_flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS;
1075 break;
252b5132 1076
1276aefa
NC
1077 /* debug$S gets this case; other
1078 implications ??? */
e5db213d 1079
1276aefa
NC
1080 /* There may be no symbol... we'll search
1081 the whole table... Is this the right
1082 place to play this game? Or should we do
1083 it when reading it in. */
1084 case IMAGE_COMDAT_SELECT_ASSOCIATIVE:
0717ebb7 1085#ifdef STRICT_PE_FORMAT
1276aefa
NC
1086 /* FIXME: This is not currently implemented. */
1087 sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
ec0ef80e 1088#else
1276aefa 1089 sec_flags &= ~SEC_LINK_ONCE;
ec0ef80e 1090#endif
1276aefa 1091 break;
e5db213d 1092
1276aefa
NC
1093 default: /* 0 means "no symbol" */
1094 /* debug$F gets this case; other
1095 implications ??? */
1096 sec_flags |= SEC_LINK_DUPLICATES_DISCARD;
1097 break;
1098 }
1099 }
1100 break;
41733515 1101
1276aefa
NC
1102 case 2:
1103 /* Gas mode: the first matching on partial name. */
252b5132 1104
e5db213d
ILT
1105#ifndef TARGET_UNDERSCORE
1106#define TARGET_UNDERSCORE 0
1107#endif
ed781d5d 1108 /* Is this the name we're looking for ? */
1276aefa
NC
1109 if (strcmp (target_name,
1110 symname + (TARGET_UNDERSCORE ? 1 : 0)) != 0)
1111 {
1112 /* Not the name we're looking for */
1113 esym += (isym.n_numaux + 1) * bfd_coff_symesz (abfd);
1114 continue;
252b5132 1115 }
1276aefa
NC
1116 /* Fall through. */
1117 case 1:
1118 /* MSVC mode: the lexically second symbol (or
1119 drop through from the above). */
1120 {
1121 char *newname;
dc810e39 1122 bfd_size_type amt;
1276aefa 1123
08da05b0 1124 /* This must the second symbol with the
1276aefa
NC
1125 section #. It is the actual symbol name.
1126 Intel puts the two adjacent, but Alpha (at
1127 least) spreads them out. */
1128
082b7297
L
1129 amt = sizeof (struct coff_comdat_info);
1130 coff_section_data (abfd, section)->comdat
a50b1753 1131 = (struct coff_comdat_info *) bfd_alloc (abfd, amt);
082b7297 1132 if (coff_section_data (abfd, section)->comdat == NULL)
1276aefa
NC
1133 abort ();
1134
082b7297 1135 coff_section_data (abfd, section)->comdat->symbol =
1276aefa
NC
1136 (esym - esymstart) / bfd_coff_symesz (abfd);
1137
dc810e39 1138 amt = strlen (symname) + 1;
a50b1753 1139 newname = (char *) bfd_alloc (abfd, amt);
1276aefa
NC
1140 if (newname == NULL)
1141 abort ();
1142
1143 strcpy (newname, symname);
082b7297
L
1144 coff_section_data (abfd, section)->comdat->name
1145 = newname;
1276aefa 1146 }
252b5132 1147
1276aefa 1148 goto breakloop;
252b5132
RH
1149 }
1150 }
1276aefa
NC
1151
1152 esym += (isym.n_numaux + 1) * bfd_coff_symesz (abfd);
1153 }
1154
1155 breakloop:
1156 return sec_flags;
1157}
1158
1159
1160/* The PE version; see above for the general comments.
1161
1162 Since to set the SEC_LINK_ONCE and associated flags, we have to
1163 look at the symbol table anyway, we return the symbol table index
1164 of the symbol being used as the COMDAT symbol. This is admittedly
1165 ugly, but there's really nowhere else that we have access to the
1166 required information. FIXME: Is the COMDAT symbol index used for
1167 any purpose other than objdump? */
1168
b34976b6 1169static bfd_boolean
7920ce38
NC
1170styp_to_sec_flags (bfd *abfd,
1171 void * hdr,
1172 const char *name,
1173 asection *section,
1174 flagword *flags_ptr)
1276aefa
NC
1175{
1176 struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
77ef8654 1177 unsigned long styp_flags = internal_s->s_flags;
1276aefa 1178 flagword sec_flags;
b34976b6 1179 bfd_boolean result = TRUE;
72e4db75 1180 bfd_boolean is_dbg = FALSE;
1276aefa 1181
72e4db75 1182 if (CONST_STRNEQ (name, DOT_DEBUG)
a29a8af8 1183 || CONST_STRNEQ (name, DOT_ZDEBUG)
72e4db75
KT
1184#ifdef COFF_LONG_SECTION_NAMES
1185 || CONST_STRNEQ (name, GNU_LINKONCE_WI)
802d4822 1186 || CONST_STRNEQ (name, GNU_LINKONCE_WT)
72e4db75
KT
1187#endif
1188 || CONST_STRNEQ (name, ".stab"))
1189 is_dbg = TRUE;
1276aefa
NC
1190 /* Assume read only unless IMAGE_SCN_MEM_WRITE is specified. */
1191 sec_flags = SEC_READONLY;
1192
156621f3
KT
1193 /* If section disallows read, then set the NOREAD flag. */
1194 if ((styp_flags & IMAGE_SCN_MEM_READ) == 0)
1195 sec_flags |= SEC_COFF_NOREAD;
1196
1276aefa
NC
1197 /* Process each flag bit in styp_flags in turn. */
1198 while (styp_flags)
1199 {
77ef8654 1200 unsigned long flag = styp_flags & - styp_flags;
1276aefa 1201 char * unhandled = NULL;
dc810e39 1202
1276aefa
NC
1203 styp_flags &= ~ flag;
1204
1205 /* We infer from the distinct read/write/execute bits the settings
1206 of some of the bfd flags; the actual values, should we need them,
1207 are also in pei_section_data (abfd, section)->pe_flags. */
1208
1209 switch (flag)
1210 {
1211 case STYP_DSECT:
1212 unhandled = "STYP_DSECT";
1213 break;
1214 case STYP_GROUP:
1215 unhandled = "STYP_GROUP";
1216 break;
1217 case STYP_COPY:
1218 unhandled = "STYP_COPY";
1219 break;
1220 case STYP_OVER:
1221 unhandled = "STYP_OVER";
1222 break;
1223#ifdef SEC_NEVER_LOAD
1224 case STYP_NOLOAD:
1225 sec_flags |= SEC_NEVER_LOAD;
1226 break;
dc810e39 1227#endif
1276aefa 1228 case IMAGE_SCN_MEM_READ:
156621f3 1229 sec_flags &= ~SEC_COFF_NOREAD;
1276aefa
NC
1230 break;
1231 case IMAGE_SCN_TYPE_NO_PAD:
1232 /* Skip. */
1233 break;
1234 case IMAGE_SCN_LNK_OTHER:
1235 unhandled = "IMAGE_SCN_LNK_OTHER";
1236 break;
1237 case IMAGE_SCN_MEM_NOT_CACHED:
1238 unhandled = "IMAGE_SCN_MEM_NOT_CACHED";
1239 break;
1240 case IMAGE_SCN_MEM_NOT_PAGED:
05576f10
NC
1241 /* Generate a warning message rather using the 'unhandled'
1242 variable as this will allow some .sys files generate by
1243 other toolchains to be processed. See bugzilla issue 196. */
695344c0 1244 /* xgettext:c-format */
63a5468a
AM
1245 _bfd_error_handler (_("%B: Warning: Ignoring section flag"
1246 " IMAGE_SCN_MEM_NOT_PAGED in section %s"),
d003868e 1247 abfd, name);
1276aefa
NC
1248 break;
1249 case IMAGE_SCN_MEM_EXECUTE:
1250 sec_flags |= SEC_CODE;
1251 break;
1252 case IMAGE_SCN_MEM_WRITE:
1253 sec_flags &= ~ SEC_READONLY;
1254 break;
1255 case IMAGE_SCN_MEM_DISCARDABLE:
f6d29e26
KT
1256 /* The MS PE spec says that debug sections are DISCARDABLE,
1257 but the presence of a DISCARDABLE flag does not necessarily
1258 mean that a given section contains debug information. Thus
1259 we only set the SEC_DEBUGGING flag on sections that we
1260 recognise as containing debug information. */
72e4db75 1261 if (is_dbg
f6d29e26
KT
1262#ifdef _COMMENT
1263 || strcmp (name, _COMMENT) == 0
1264#endif
72e4db75
KT
1265 )
1266 {
1267 sec_flags |= SEC_DEBUGGING | SEC_READONLY;
1268 }
1276aefa
NC
1269 break;
1270 case IMAGE_SCN_MEM_SHARED:
ebe372c1 1271 sec_flags |= SEC_COFF_SHARED;
1276aefa
NC
1272 break;
1273 case IMAGE_SCN_LNK_REMOVE:
72e4db75
KT
1274 if (!is_dbg)
1275 sec_flags |= SEC_EXCLUDE;
1276aefa
NC
1276 break;
1277 case IMAGE_SCN_CNT_CODE:
1278 sec_flags |= SEC_CODE | SEC_ALLOC | SEC_LOAD;
1279 break;
1280 case IMAGE_SCN_CNT_INITIALIZED_DATA:
72e4db75
KT
1281 if (is_dbg)
1282 sec_flags |= SEC_DEBUGGING;
1283 else
1284 sec_flags |= SEC_DATA | SEC_ALLOC | SEC_LOAD;
1276aefa
NC
1285 break;
1286 case IMAGE_SCN_CNT_UNINITIALIZED_DATA:
1287 sec_flags |= SEC_ALLOC;
1288 break;
1289 case IMAGE_SCN_LNK_INFO:
1290 /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is
1291 defined. coff_compute_section_file_positions uses
1292 COFF_PAGE_SIZE to ensure that the low order bits of the
1293 section VMA and the file offset match. If we don't know
1294 COFF_PAGE_SIZE, we can't ensure the correct correspondence,
1295 and demand page loading of the file will fail. */
1296#ifdef COFF_PAGE_SIZE
1297 sec_flags |= SEC_DEBUGGING;
1298#endif
1299 break;
1300 case IMAGE_SCN_LNK_COMDAT:
1301 /* COMDAT gets very special treatment. */
1302 sec_flags = handle_COMDAT (abfd, sec_flags, hdr, name, section);
1303 break;
1304 default:
1305 /* Silently ignore for now. */
dc810e39 1306 break;
1276aefa
NC
1307 }
1308
7c8ca0e4 1309 /* If the section flag was not handled, report it here. */
1276aefa 1310 if (unhandled != NULL)
7c8ca0e4 1311 {
4eca0228 1312 _bfd_error_handler
695344c0 1313 /* xgettext:c-format */
d003868e
AM
1314 (_("%B (%s): Section flag %s (0x%x) ignored"),
1315 abfd, name, unhandled, flag);
b34976b6 1316 result = FALSE;
7c8ca0e4 1317 }
252b5132 1318 }
252b5132 1319
242eabea
ILT
1320#if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE)
1321 /* As a GNU extension, if the name begins with .gnu.linkonce, we
1322 only link a single copy of the section. This is used to support
1323 g++. g++ will emit each template expansion in its own section.
1324 The symbols will be defined as weak, so that multiple definitions
1325 are permitted. The GNU linker extension is to actually discard
1326 all but one of the sections. */
0112cd26 1327 if (CONST_STRNEQ (name, ".gnu.linkonce"))
242eabea
ILT
1328 sec_flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
1329#endif
1330
7c8ca0e4
NC
1331 if (flags_ptr)
1332 * flags_ptr = sec_flags;
dc810e39 1333
7c8ca0e4 1334 return result;
252b5132
RH
1335}
1336
41733515
ILT
1337#endif /* COFF_WITH_PE */
1338
252b5132
RH
1339#define get_index(symbol) ((symbol)->udata.i)
1340
1341/*
1342INTERNAL_DEFINITION
1343 bfd_coff_backend_data
1344
1345CODE_FRAGMENT
1346
5d54c628
ILT
1347.{* COFF symbol classifications. *}
1348.
1349.enum coff_symbol_classification
1350.{
1351. {* Global symbol. *}
1352. COFF_SYMBOL_GLOBAL,
1353. {* Common symbol. *}
1354. COFF_SYMBOL_COMMON,
1355. {* Undefined symbol. *}
1356. COFF_SYMBOL_UNDEFINED,
1357. {* Local symbol. *}
1358. COFF_SYMBOL_LOCAL,
1359. {* PE section symbol. *}
1360. COFF_SYMBOL_PE_SECTION
1361.};
1362.
0f088b2a
KT
1363.typedef asection * (*coff_gc_mark_hook_fn)
1364. (asection *, struct bfd_link_info *, struct internal_reloc *,
1365. struct coff_link_hash_entry *, struct internal_syment *);
1366.
252b5132
RH
1367Special entry points for gdb to swap in coff symbol table parts:
1368.typedef struct
1369.{
dc810e39 1370. void (*_bfd_coff_swap_aux_in)
7920ce38 1371. (bfd *, void *, int, int, int, int, void *);
252b5132 1372.
dc810e39 1373. void (*_bfd_coff_swap_sym_in)
7920ce38 1374. (bfd *, void *, void *);
252b5132 1375.
dc810e39 1376. void (*_bfd_coff_swap_lineno_in)
7920ce38 1377. (bfd *, void *, void *);
252b5132 1378.
dc810e39 1379. unsigned int (*_bfd_coff_swap_aux_out)
7920ce38 1380. (bfd *, void *, int, int, int, int, void *);
252b5132 1381.
dc810e39 1382. unsigned int (*_bfd_coff_swap_sym_out)
7920ce38 1383. (bfd *, void *, void *);
252b5132 1384.
dc810e39 1385. unsigned int (*_bfd_coff_swap_lineno_out)
7920ce38 1386. (bfd *, void *, void *);
252b5132 1387.
dc810e39 1388. unsigned int (*_bfd_coff_swap_reloc_out)
7920ce38 1389. (bfd *, void *, void *);
252b5132 1390.
dc810e39 1391. unsigned int (*_bfd_coff_swap_filehdr_out)
7920ce38 1392. (bfd *, void *, void *);
252b5132 1393.
dc810e39 1394. unsigned int (*_bfd_coff_swap_aouthdr_out)
7920ce38 1395. (bfd *, void *, void *);
252b5132 1396.
dc810e39 1397. unsigned int (*_bfd_coff_swap_scnhdr_out)
7920ce38 1398. (bfd *, void *, void *);
252b5132 1399.
dc810e39
AM
1400. unsigned int _bfd_filhsz;
1401. unsigned int _bfd_aoutsz;
1402. unsigned int _bfd_scnhsz;
1403. unsigned int _bfd_symesz;
1404. unsigned int _bfd_auxesz;
1405. unsigned int _bfd_relsz;
1406. unsigned int _bfd_linesz;
1407. unsigned int _bfd_filnmlen;
b34976b6 1408. bfd_boolean _bfd_coff_long_filenames;
88183869 1409.
b34976b6 1410. bfd_boolean _bfd_coff_long_section_names;
88183869
DK
1411. bfd_boolean (*_bfd_coff_set_long_section_names)
1412. (bfd *, int);
68ffbac6 1413.
dc810e39 1414. unsigned int _bfd_coff_default_section_alignment_power;
b34976b6 1415. bfd_boolean _bfd_coff_force_symnames_in_strings;
dc810e39 1416. unsigned int _bfd_coff_debug_string_prefix_length;
167ad85b 1417. unsigned int _bfd_coff_max_nscns;
dc810e39
AM
1418.
1419. void (*_bfd_coff_swap_filehdr_in)
7920ce38 1420. (bfd *, void *, void *);
dc810e39
AM
1421.
1422. void (*_bfd_coff_swap_aouthdr_in)
7920ce38 1423. (bfd *, void *, void *);
dc810e39
AM
1424.
1425. void (*_bfd_coff_swap_scnhdr_in)
7920ce38 1426. (bfd *, void *, void *);
dc810e39
AM
1427.
1428. void (*_bfd_coff_swap_reloc_in)
7920ce38 1429. (bfd *abfd, void *, void *);
dc810e39 1430.
b34976b6 1431. bfd_boolean (*_bfd_coff_bad_format_hook)
7920ce38 1432. (bfd *, void *);
dc810e39 1433.
b34976b6 1434. bfd_boolean (*_bfd_coff_set_arch_mach_hook)
7920ce38 1435. (bfd *, void *);
dc810e39 1436.
7920ce38
NC
1437. void * (*_bfd_coff_mkobject_hook)
1438. (bfd *, void *, void *);
dc810e39 1439.
b34976b6 1440. bfd_boolean (*_bfd_styp_to_sec_flags_hook)
7920ce38 1441. (bfd *, void *, const char *, asection *, flagword *);
dc810e39
AM
1442.
1443. void (*_bfd_set_alignment_hook)
7920ce38 1444. (bfd *, asection *, void *);
dc810e39 1445.
b34976b6 1446. bfd_boolean (*_bfd_coff_slurp_symbol_table)
7920ce38 1447. (bfd *);
dc810e39 1448.
b34976b6 1449. bfd_boolean (*_bfd_coff_symname_in_debug)
7920ce38 1450. (bfd *, struct internal_syment *);
dc810e39 1451.
b34976b6 1452. bfd_boolean (*_bfd_coff_pointerize_aux_hook)
7920ce38
NC
1453. (bfd *, combined_entry_type *, combined_entry_type *,
1454. unsigned int, combined_entry_type *);
dc810e39 1455.
b34976b6 1456. bfd_boolean (*_bfd_coff_print_aux)
7920ce38
NC
1457. (bfd *, FILE *, combined_entry_type *, combined_entry_type *,
1458. combined_entry_type *, unsigned int);
dc810e39
AM
1459.
1460. void (*_bfd_coff_reloc16_extra_cases)
7920ce38
NC
1461. (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
1462. bfd_byte *, unsigned int *, unsigned int *);
dc810e39
AM
1463.
1464. int (*_bfd_coff_reloc16_estimate)
7920ce38
NC
1465. (bfd *, asection *, arelent *, unsigned int,
1466. struct bfd_link_info *);
dc810e39
AM
1467.
1468. enum coff_symbol_classification (*_bfd_coff_classify_symbol)
7920ce38 1469. (bfd *, struct internal_syment *);
dc810e39 1470.
b34976b6 1471. bfd_boolean (*_bfd_coff_compute_section_file_positions)
7920ce38 1472. (bfd *);
252b5132 1473.
b34976b6 1474. bfd_boolean (*_bfd_coff_start_final_link)
7920ce38 1475. (bfd *, struct bfd_link_info *);
dc810e39 1476.
b34976b6 1477. bfd_boolean (*_bfd_coff_relocate_section)
7920ce38
NC
1478. (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
1479. struct internal_reloc *, struct internal_syment *, asection **);
dc810e39
AM
1480.
1481. reloc_howto_type *(*_bfd_coff_rtype_to_howto)
7920ce38 1482. (bfd *, asection *, struct internal_reloc *,
dc810e39 1483. struct coff_link_hash_entry *, struct internal_syment *,
7920ce38 1484. bfd_vma *);
dc810e39 1485.
b34976b6 1486. bfd_boolean (*_bfd_coff_adjust_symndx)
7920ce38
NC
1487. (bfd *, struct bfd_link_info *, bfd *, asection *,
1488. struct internal_reloc *, bfd_boolean *);
dc810e39 1489.
b34976b6 1490. bfd_boolean (*_bfd_coff_link_add_one_symbol)
7920ce38 1491. (struct bfd_link_info *, bfd *, const char *, flagword,
b34976b6 1492. asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean,
7920ce38 1493. struct bfd_link_hash_entry **);
dc810e39 1494.
b34976b6 1495. bfd_boolean (*_bfd_coff_link_output_has_begun)
7920ce38 1496. (bfd *, struct coff_final_link_info *);
dc810e39 1497.
b34976b6 1498. bfd_boolean (*_bfd_coff_final_link_postscript)
7920ce38 1499. (bfd *, struct coff_final_link_info *);
252b5132 1500.
2b5c217d
NC
1501. bfd_boolean (*_bfd_coff_print_pdata)
1502. (bfd *, void *);
1503.
252b5132
RH
1504.} bfd_coff_backend_data;
1505.
dc810e39
AM
1506.#define coff_backend_info(abfd) \
1507. ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
252b5132
RH
1508.
1509.#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
dc810e39 1510. ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
252b5132
RH
1511.
1512.#define bfd_coff_swap_sym_in(a,e,i) \
dc810e39 1513. ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
252b5132
RH
1514.
1515.#define bfd_coff_swap_lineno_in(a,e,i) \
dc810e39 1516. ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
252b5132
RH
1517.
1518.#define bfd_coff_swap_reloc_out(abfd, i, o) \
dc810e39 1519. ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
252b5132
RH
1520.
1521.#define bfd_coff_swap_lineno_out(abfd, i, o) \
dc810e39 1522. ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
252b5132
RH
1523.
1524.#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
dc810e39 1525. ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
252b5132
RH
1526.
1527.#define bfd_coff_swap_sym_out(abfd, i,o) \
dc810e39 1528. ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
252b5132
RH
1529.
1530.#define bfd_coff_swap_scnhdr_out(abfd, i,o) \
dc810e39 1531. ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
252b5132
RH
1532.
1533.#define bfd_coff_swap_filehdr_out(abfd, i,o) \
dc810e39 1534. ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
252b5132
RH
1535.
1536.#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
dc810e39 1537. ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
252b5132
RH
1538.
1539.#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
1540.#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
1541.#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
1542.#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
1543.#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
1544.#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
1545.#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
692b7d62 1546.#define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
dc810e39
AM
1547.#define bfd_coff_long_filenames(abfd) \
1548. (coff_backend_info (abfd)->_bfd_coff_long_filenames)
252b5132 1549.#define bfd_coff_long_section_names(abfd) \
dc810e39 1550. (coff_backend_info (abfd)->_bfd_coff_long_section_names)
88183869
DK
1551.#define bfd_coff_set_long_section_names(abfd, enable) \
1552. ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable))
252b5132 1553.#define bfd_coff_default_section_alignment_power(abfd) \
dc810e39 1554. (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
167ad85b
TG
1555.#define bfd_coff_max_nscns(abfd) \
1556. (coff_backend_info (abfd)->_bfd_coff_max_nscns)
1557.
252b5132 1558.#define bfd_coff_swap_filehdr_in(abfd, i,o) \
dc810e39 1559. ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
252b5132
RH
1560.
1561.#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
dc810e39 1562. ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
252b5132
RH
1563.
1564.#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
dc810e39 1565. ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
252b5132
RH
1566.
1567.#define bfd_coff_swap_reloc_in(abfd, i, o) \
dc810e39 1568. ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
252b5132
RH
1569.
1570.#define bfd_coff_bad_format_hook(abfd, filehdr) \
dc810e39 1571. ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
252b5132
RH
1572.
1573.#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
dc810e39 1574. ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
252b5132 1575.#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
ed781d5d
NC
1576. ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\
1577. (abfd, filehdr, aouthdr))
252b5132 1578.
7c8ca0e4 1579.#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\
dc810e39
AM
1580. ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
1581. (abfd, scnhdr, name, section, flags_ptr))
252b5132
RH
1582.
1583.#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
dc810e39 1584. ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
252b5132
RH
1585.
1586.#define bfd_coff_slurp_symbol_table(abfd)\
dc810e39 1587. ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
252b5132
RH
1588.
1589.#define bfd_coff_symname_in_debug(abfd, sym)\
dc810e39 1590. ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
252b5132 1591.
2243c419 1592.#define bfd_coff_force_symnames_in_strings(abfd)\
dc810e39 1593. (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings)
2243c419
CP
1594.
1595.#define bfd_coff_debug_string_prefix_length(abfd)\
dc810e39 1596. (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length)
2243c419 1597.
252b5132 1598.#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
dc810e39
AM
1599. ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
1600. (abfd, file, base, symbol, aux, indaux))
252b5132 1601.
ed781d5d
NC
1602.#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\
1603. reloc, data, src_ptr, dst_ptr)\
dc810e39
AM
1604. ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
1605. (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
252b5132
RH
1606.
1607.#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
dc810e39
AM
1608. ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
1609. (abfd, section, reloc, shrink, link_info))
252b5132 1610.
5d54c628 1611.#define bfd_coff_classify_symbol(abfd, sym)\
dc810e39
AM
1612. ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
1613. (abfd, sym))
252b5132
RH
1614.
1615.#define bfd_coff_compute_section_file_positions(abfd)\
dc810e39
AM
1616. ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
1617. (abfd))
252b5132
RH
1618.
1619.#define bfd_coff_start_final_link(obfd, info)\
dc810e39
AM
1620. ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
1621. (obfd, info))
252b5132 1622.#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
dc810e39
AM
1623. ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
1624. (obfd, info, ibfd, o, con, rel, isyms, secs))
252b5132 1625.#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
dc810e39
AM
1626. ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
1627. (abfd, sec, rel, h, sym, addendp))
252b5132 1628.#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
dc810e39
AM
1629. ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
1630. (obfd, info, ibfd, sec, rel, adjustedp))
ed781d5d
NC
1631.#define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\
1632. value, string, cp, coll, hashp)\
dc810e39
AM
1633. ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
1634. (info, abfd, name, flags, section, value, string, cp, coll, hashp))
252b5132
RH
1635.
1636.#define bfd_coff_link_output_has_begun(a,p) \
7920ce38 1637. ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p))
252b5132 1638.#define bfd_coff_final_link_postscript(a,p) \
7920ce38 1639. ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p))
252b5132 1640.
2b5c217d
NC
1641.#define bfd_coff_have_print_pdata(a) \
1642. (coff_backend_info (a)->_bfd_coff_print_pdata)
1643.#define bfd_coff_print_pdata(a,p) \
1644. ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p))
1645.
92dd4511
L
1646.{* Macro: Returns true if the bfd is a PE executable as opposed to a
1647. PE object file. *}
1648.#define bfd_pei_p(abfd) \
1649. (CONST_STRNEQ ((abfd)->xvec->name, "pei-"))
252b5132
RH
1650*/
1651
1652/* See whether the magic number matches. */
1653
b34976b6 1654static bfd_boolean
7920ce38 1655coff_bad_format_hook (bfd * abfd ATTRIBUTE_UNUSED, void * filehdr)
252b5132
RH
1656{
1657 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1658
1659 if (BADMAG (*internal_f))
b34976b6 1660 return FALSE;
252b5132 1661
ed781d5d 1662 /* If the optional header is NULL or not the correct size then
252b5132
RH
1663 quit; the only difference I can see between m88k dgux headers (MC88DMAGIC)
1664 and Intel 960 readwrite headers (I960WRMAGIC) is that the
1665 optional header is of a different size.
1666
1667 But the mips keeps extra stuff in it's opthdr, so dont check
ed781d5d 1668 when doing that. */
252b5132
RH
1669
1670#if defined(M88) || defined(I960)
6b3b007b 1671 if (internal_f->f_opthdr != 0 && bfd_coff_aoutsz (abfd) != internal_f->f_opthdr)
b34976b6 1672 return FALSE;
252b5132
RH
1673#endif
1674
b34976b6 1675 return TRUE;
252b5132
RH
1676}
1677
5a5b9651
SS
1678#ifdef TICOFF
1679static bfd_boolean
7920ce38 1680ticoff0_bad_format_hook (bfd *abfd ATTRIBUTE_UNUSED, void * filehdr)
5a5b9651
SS
1681{
1682 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1683
1684 if (COFF0_BADMAG (*internal_f))
1685 return FALSE;
1686
1687 return TRUE;
1688}
1689#endif
1690
1691#ifdef TICOFF
1692static bfd_boolean
7920ce38 1693ticoff1_bad_format_hook (bfd *abfd ATTRIBUTE_UNUSED, void * filehdr)
5a5b9651
SS
1694{
1695 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
1696
1697 if (COFF1_BADMAG (*internal_f))
1698 return FALSE;
1699
1700 return TRUE;
1701}
1702#endif
1703
5dccc1dd
ILT
1704/* Check whether this section uses an alignment other than the
1705 default. */
1706
1707static void
7920ce38
NC
1708coff_set_custom_section_alignment (bfd *abfd ATTRIBUTE_UNUSED,
1709 asection *section,
1710 const struct coff_section_alignment_entry *alignment_table,
1711 const unsigned int table_size)
5dccc1dd
ILT
1712{
1713 const unsigned int default_alignment = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
1714 unsigned int i;
1715
1716 for (i = 0; i < table_size; ++i)
1717 {
1718 const char *secname = bfd_get_section_name (abfd, section);
ed781d5d 1719
5dccc1dd
ILT
1720 if (alignment_table[i].comparison_length == (unsigned int) -1
1721 ? strcmp (alignment_table[i].name, secname) == 0
1722 : strncmp (alignment_table[i].name, secname,
1723 alignment_table[i].comparison_length) == 0)
1724 break;
1725 }
1726 if (i >= table_size)
1727 return;
1728
1729 if (alignment_table[i].default_alignment_min != COFF_ALIGNMENT_FIELD_EMPTY
1730 && default_alignment < alignment_table[i].default_alignment_min)
1731 return;
1732
1733 if (alignment_table[i].default_alignment_max != COFF_ALIGNMENT_FIELD_EMPTY
1e738b87
NC
1734#if COFF_DEFAULT_SECTION_ALIGNMENT_POWER != 0
1735 && default_alignment > alignment_table[i].default_alignment_max
1736#endif
1737 )
5dccc1dd
ILT
1738 return;
1739
1740 section->alignment_power = alignment_table[i].alignment_power;
1741}
1742
1743/* Custom section alignment records. */
1744
1745static const struct coff_section_alignment_entry
1746coff_section_alignment_table[] =
1747{
1748#ifdef COFF_SECTION_ALIGNMENT_ENTRIES
1749 COFF_SECTION_ALIGNMENT_ENTRIES,
1750#endif
1751 /* There must not be any gaps between .stabstr sections. */
1752 { COFF_SECTION_NAME_PARTIAL_MATCH (".stabstr"),
1753 1, COFF_ALIGNMENT_FIELD_EMPTY, 0 },
1754 /* The .stab section must be aligned to 2**2 at most, to avoid gaps. */
1755 { COFF_SECTION_NAME_PARTIAL_MATCH (".stab"),
1756 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 },
1757 /* Similarly for the .ctors and .dtors sections. */
1758 { COFF_SECTION_NAME_EXACT_MATCH (".ctors"),
1759 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 },
1760 { COFF_SECTION_NAME_EXACT_MATCH (".dtors"),
1761 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 }
1762};
1763
1764static const unsigned int coff_section_alignment_table_size =
1765 sizeof coff_section_alignment_table / sizeof coff_section_alignment_table[0];
1766
1767/* Initialize a section structure with information peculiar to this
1768 particular implementation of COFF. */
252b5132 1769
b34976b6 1770static bfd_boolean
7920ce38 1771coff_new_section_hook (bfd * abfd, asection * section)
252b5132
RH
1772{
1773 combined_entry_type *native;
dc810e39 1774 bfd_size_type amt;
85645aed 1775 unsigned char sclass = C_STAT;
252b5132
RH
1776
1777 section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
1778
1779#ifdef RS6000COFF_C
eb1e0e80 1780 if (bfd_xcoff_text_align_power (abfd) != 0
252b5132 1781 && strcmp (bfd_get_section_name (abfd, section), ".text") == 0)
eb1e0e80 1782 section->alignment_power = bfd_xcoff_text_align_power (abfd);
85645aed 1783 else if (bfd_xcoff_data_align_power (abfd) != 0
252b5132 1784 && strcmp (bfd_get_section_name (abfd, section), ".data") == 0)
eb1e0e80 1785 section->alignment_power = bfd_xcoff_data_align_power (abfd);
85645aed
TG
1786 else
1787 {
1788 int i;
1789
1790 for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++)
1791 if (strcmp (bfd_get_section_name (abfd, section),
1792 xcoff_dwsect_names[i].name) == 0)
1793 {
1794 section->alignment_power = 0;
1795 sclass = C_DWARF;
1796 break;
1797 }
1798 }
252b5132
RH
1799#endif
1800
f592407e
AM
1801 /* Set up the section symbol. */
1802 if (!_bfd_generic_new_section_hook (abfd, section))
1803 return FALSE;
1804
252b5132
RH
1805 /* Allocate aux records for section symbols, to store size and
1806 related info.
1807
1808 @@ The 10 is a guess at a plausible maximum number of aux entries
1809 (but shouldn't be a constant). */
dc810e39 1810 amt = sizeof (combined_entry_type) * 10;
a50b1753 1811 native = (combined_entry_type *) bfd_zalloc (abfd, amt);
252b5132 1812 if (native == NULL)
b34976b6 1813 return FALSE;
252b5132
RH
1814
1815 /* We don't need to set up n_name, n_value, or n_scnum in the native
5c4491d3 1816 symbol information, since they'll be overridden by the BFD symbol
252b5132
RH
1817 anyhow. However, we do need to set the type and storage class,
1818 in case this symbol winds up getting written out. The value 0
1819 for n_numaux is already correct. */
1820
a5c71af8 1821 native->is_sym = TRUE;
252b5132 1822 native->u.syment.n_type = T_NULL;
85645aed 1823 native->u.syment.n_sclass = sclass;
252b5132
RH
1824
1825 coffsymbol (section->symbol)->native = native;
1826
5dccc1dd
ILT
1827 coff_set_custom_section_alignment (abfd, section,
1828 coff_section_alignment_table,
1829 coff_section_alignment_table_size);
252b5132 1830
b34976b6 1831 return TRUE;
252b5132
RH
1832}
1833
1834#ifdef COFF_ALIGN_IN_SECTION_HEADER
1835
1836/* Set the alignment of a BFD section. */
1837
252b5132 1838static void
7920ce38
NC
1839coff_set_alignment_hook (bfd * abfd ATTRIBUTE_UNUSED,
1840 asection * section,
1841 void * scnhdr)
252b5132
RH
1842{
1843 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
1844 unsigned int i;
1845
1846#ifdef I960
ed781d5d 1847 /* Extract ALIGN from 2**ALIGN stored in section header. */
252b5132
RH
1848 for (i = 0; i < 32; i++)
1849 if ((1 << i) >= hdr->s_align)
1850 break;
1851#endif
1852#ifdef TIC80COFF
ed781d5d 1853 /* TI tools puts the alignment power in bits 8-11. */
252b5132 1854 i = (hdr->s_flags >> 8) & 0xF ;
81635ce4
TW
1855#endif
1856#ifdef COFF_DECODE_ALIGNMENT
1857 i = COFF_DECODE_ALIGNMENT(hdr->s_flags);
252b5132
RH
1858#endif
1859 section->alignment_power = i;
b9af77f5
TW
1860
1861#ifdef coff_set_section_load_page
1862 coff_set_section_load_page (section, hdr->s_page);
1863#endif
252b5132
RH
1864}
1865
1866#else /* ! COFF_ALIGN_IN_SECTION_HEADER */
1867#ifdef COFF_WITH_PE
1868
252b5132 1869static void
7920ce38
NC
1870coff_set_alignment_hook (bfd * abfd ATTRIBUTE_UNUSED,
1871 asection * section,
1872 void * scnhdr)
252b5132
RH
1873{
1874 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
dc810e39 1875 bfd_size_type amt;
bd33be6e
L
1876 unsigned int alignment_power_const
1877 = hdr->s_flags & IMAGE_SCN_ALIGN_POWER_BIT_MASK;
252b5132 1878
bd33be6e
L
1879 switch (alignment_power_const)
1880 {
1881 case IMAGE_SCN_ALIGN_8192BYTES:
1882 case IMAGE_SCN_ALIGN_4096BYTES:
1883 case IMAGE_SCN_ALIGN_2048BYTES:
1884 case IMAGE_SCN_ALIGN_1024BYTES:
1885 case IMAGE_SCN_ALIGN_512BYTES:
1886 case IMAGE_SCN_ALIGN_256BYTES:
1887 case IMAGE_SCN_ALIGN_128BYTES:
1888 case IMAGE_SCN_ALIGN_64BYTES:
1889 case IMAGE_SCN_ALIGN_32BYTES:
1890 case IMAGE_SCN_ALIGN_16BYTES:
1891 case IMAGE_SCN_ALIGN_8BYTES:
1892 case IMAGE_SCN_ALIGN_4BYTES:
1893 case IMAGE_SCN_ALIGN_2BYTES:
1894 case IMAGE_SCN_ALIGN_1BYTES:
1895 section->alignment_power
1896 = IMAGE_SCN_ALIGN_POWER_NUM (alignment_power_const);
1897 break;
1898 default:
1899 break;
1900 }
252b5132 1901
252b5132 1902 /* In a PE image file, the s_paddr field holds the virtual size of a
8d3ad4e1
ILT
1903 section, while the s_size field holds the raw size. We also keep
1904 the original section flag value, since not every bit can be
1905 mapped onto a generic BFD section bit. */
1906 if (coff_section_data (abfd, section) == NULL)
252b5132 1907 {
dc810e39 1908 amt = sizeof (struct coff_section_tdata);
7920ce38 1909 section->used_by_bfd = bfd_zalloc (abfd, amt);
8d3ad4e1 1910 if (section->used_by_bfd == NULL)
7920ce38
NC
1911 /* FIXME: Return error. */
1912 abort ();
8d3ad4e1 1913 }
7920ce38 1914
8d3ad4e1
ILT
1915 if (pei_section_data (abfd, section) == NULL)
1916 {
dc810e39 1917 amt = sizeof (struct pei_section_tdata);
7920ce38 1918 coff_section_data (abfd, section)->tdata = bfd_zalloc (abfd, amt);
8d3ad4e1 1919 if (coff_section_data (abfd, section)->tdata == NULL)
7920ce38
NC
1920 /* FIXME: Return error. */
1921 abort ();
252b5132 1922 }
8d3ad4e1
ILT
1923 pei_section_data (abfd, section)->virt_size = hdr->s_paddr;
1924 pei_section_data (abfd, section)->pe_flags = hdr->s_flags;
252b5132 1925
9d8cefa9 1926 section->lma = hdr->s_vaddr;
3e4554a2 1927
ed781d5d 1928 /* Check for extended relocs. */
3e4554a2
DD
1929 if (hdr->s_flags & IMAGE_SCN_LNK_NRELOC_OVFL)
1930 {
1931 struct external_reloc dst;
57f3d89e 1932 struct internal_reloc n;
dc810e39 1933 file_ptr oldpos = bfd_tell (abfd);
cd339148 1934 bfd_size_type relsz = bfd_coff_relsz (abfd);
46f2f11d 1935
b42adabf
NC
1936 if (bfd_seek (abfd, (file_ptr) hdr->s_relptr, 0) != 0)
1937 return;
7920ce38 1938 if (bfd_bread (& dst, relsz, abfd) != relsz)
3e4554a2 1939 return;
e60b52c6 1940
3e4554a2 1941 coff_swap_reloc_in (abfd, &dst, &n);
b42adabf
NC
1942 if (bfd_seek (abfd, oldpos, 0) != 0)
1943 return;
cd339148
NS
1944 section->reloc_count = hdr->s_nreloc = n.r_vaddr - 1;
1945 section->rel_filepos += relsz;
3e4554a2 1946 }
cd339148 1947 else if (hdr->s_nreloc == 0xffff)
4eca0228 1948 _bfd_error_handler
dae82561
AM
1949 (_("%B: warning: claims to have 0xffff relocs, without overflow"),
1950 abfd);
252b5132
RH
1951}
1952#undef ALIGN_SET
1953#undef ELIFALIGN_SET
1954
1955#else /* ! COFF_WITH_PE */
1956#ifdef RS6000COFF_C
1957
1958/* We grossly abuse this function to handle XCOFF overflow headers.
1959 When we see one, we correct the reloc and line number counts in the
1960 real header, and remove the section we just created. */
1961
252b5132 1962static void
7920ce38 1963coff_set_alignment_hook (bfd *abfd, asection *section, void * scnhdr)
252b5132
RH
1964{
1965 struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
1966 asection *real_sec;
252b5132
RH
1967
1968 if ((hdr->s_flags & STYP_OVRFLO) == 0)
1969 return;
1970
dc810e39 1971 real_sec = coff_section_from_bfd_index (abfd, (int) hdr->s_nreloc);
252b5132
RH
1972 if (real_sec == NULL)
1973 return;
1974
1975 real_sec->reloc_count = hdr->s_paddr;
1976 real_sec->lineno_count = hdr->s_vaddr;
1977
5daa8fe7 1978 if (!bfd_section_removed_from_list (abfd, section))
252b5132 1979 {
5daa8fe7
L
1980 bfd_section_list_remove (abfd, section);
1981 --abfd->section_count;
252b5132
RH
1982 }
1983}
1984
1985#else /* ! RS6000COFF_C */
1986
1987#define coff_set_alignment_hook \
7920ce38 1988 ((void (*) (bfd *, asection *, void *)) bfd_void)
252b5132
RH
1989
1990#endif /* ! RS6000COFF_C */
1991#endif /* ! COFF_WITH_PE */
1992#endif /* ! COFF_ALIGN_IN_SECTION_HEADER */
1993
1994#ifndef coff_mkobject
1995
b34976b6 1996static bfd_boolean
7920ce38 1997coff_mkobject (bfd * abfd)
252b5132
RH
1998{
1999 coff_data_type *coff;
dc810e39 2000 bfd_size_type amt = sizeof (coff_data_type);
252b5132 2001
7920ce38
NC
2002 abfd->tdata.coff_obj_data = bfd_zalloc (abfd, amt);
2003 if (abfd->tdata.coff_obj_data == NULL)
b34976b6 2004 return FALSE;
252b5132 2005 coff = coff_data (abfd);
7920ce38
NC
2006 coff->symbols = NULL;
2007 coff->conversion_table = NULL;
2008 coff->raw_syments = NULL;
252b5132
RH
2009 coff->relocbase = 0;
2010 coff->local_toc_sym_map = 0;
2011
2012/* make_abs_section(abfd);*/
2013
b34976b6 2014 return TRUE;
252b5132
RH
2015}
2016#endif
2017
2018/* Create the COFF backend specific information. */
ed781d5d 2019
252b5132 2020#ifndef coff_mkobject_hook
7920ce38
NC
2021static void *
2022coff_mkobject_hook (bfd * abfd,
2023 void * filehdr,
2024 void * aouthdr ATTRIBUTE_UNUSED)
252b5132
RH
2025{
2026 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
2027 coff_data_type *coff;
2028
82e51918 2029 if (! coff_mkobject (abfd))
252b5132
RH
2030 return NULL;
2031
2032 coff = coff_data (abfd);
2033
2034 coff->sym_filepos = internal_f->f_symptr;
2035
2036 /* These members communicate important constants about the symbol
2037 table to GDB's symbol-reading code. These `constants'
2038 unfortunately vary among coff implementations... */
2039 coff->local_n_btmask = N_BTMASK;
2040 coff->local_n_btshft = N_BTSHFT;
2041 coff->local_n_tmask = N_TMASK;
2042 coff->local_n_tshift = N_TSHIFT;
6b3b007b
NC
2043 coff->local_symesz = bfd_coff_symesz (abfd);
2044 coff->local_auxesz = bfd_coff_auxesz (abfd);
2045 coff->local_linesz = bfd_coff_linesz (abfd);
252b5132 2046
1135238b
ILT
2047 coff->timestamp = internal_f->f_timdat;
2048
252b5132
RH
2049 obj_raw_syment_count (abfd) =
2050 obj_conv_table_size (abfd) =
2051 internal_f->f_nsyms;
2052
2053#ifdef RS6000COFF_C
2054 if ((internal_f->f_flags & F_SHROBJ) != 0)
2055 abfd->flags |= DYNAMIC;
6b3b007b 2056 if (aouthdr != NULL && internal_f->f_opthdr >= bfd_coff_aoutsz (abfd))
252b5132
RH
2057 {
2058 struct internal_aouthdr *internal_a =
2059 (struct internal_aouthdr *) aouthdr;
2060 struct xcoff_tdata *xcoff;
2061
2062 xcoff = xcoff_data (abfd);
a2fdf270
ND
2063# ifdef U803XTOCMAGIC
2064 xcoff->xcoff64 = internal_f->f_magic == U803XTOCMAGIC;
2065# else
2066 xcoff->xcoff64 = 0;
2067# endif
b34976b6 2068 xcoff->full_aouthdr = TRUE;
252b5132
RH
2069 xcoff->toc = internal_a->o_toc;
2070 xcoff->sntoc = internal_a->o_sntoc;
2071 xcoff->snentry = internal_a->o_snentry;
f3813499
TR
2072 bfd_xcoff_text_align_power (abfd) = internal_a->o_algntext;
2073 bfd_xcoff_data_align_power (abfd) = internal_a->o_algndata;
252b5132
RH
2074 xcoff->modtype = internal_a->o_modtype;
2075 xcoff->cputype = internal_a->o_cputype;
2076 xcoff->maxdata = internal_a->o_maxdata;
2077 xcoff->maxstack = internal_a->o_maxstack;
2078 }
2079#endif
2080
e60b52c6 2081#ifdef ARM
f13b834e 2082 /* Set the flags field from the COFF header read in. */
252b5132
RH
2083 if (! _bfd_coff_arm_set_private_flags (abfd, internal_f->f_flags))
2084 coff->flags = 0;
2085#endif
e60b52c6 2086
4cfec37b
ILT
2087#ifdef COFF_WITH_PE
2088 /* FIXME: I'm not sure this is ever executed, since peicode.h
2089 defines coff_mkobject_hook. */
2090 if ((internal_f->f_flags & IMAGE_FILE_DEBUG_STRIPPED) == 0)
2091 abfd->flags |= HAS_DEBUG;
2092#endif
2093
9bf609ec 2094 if ((internal_f->f_flags & F_GO32STUB) != 0)
86eafac0
NC
2095 {
2096 coff->go32stub = (char *) bfd_alloc (abfd, (bfd_size_type) GO32_STUBSIZE);
2097 if (coff->go32stub == NULL)
2098 return NULL;
2099 }
9bf609ec
JK
2100 if (coff->go32stub != NULL)
2101 memcpy (coff->go32stub, internal_f->go32stub, GO32_STUBSIZE);
1b786873 2102
7920ce38 2103 return coff;
252b5132
RH
2104}
2105#endif
2106
2107/* Determine the machine architecture and type. FIXME: This is target
2108 dependent because the magic numbers are defined in the target
2109 dependent header files. But there is no particular need for this.
2110 If the magic numbers were moved to a separate file, this function
2111 would be target independent and would also be much more successful
2112 at linking together COFF files for different architectures. */
2113
b34976b6 2114static bfd_boolean
7920ce38 2115coff_set_arch_mach_hook (bfd *abfd, void * filehdr)
252b5132 2116{
dc810e39 2117 unsigned long machine;
252b5132
RH
2118 enum bfd_architecture arch;
2119 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
2120
250d94fd 2121 /* Zero selects the default machine for an arch. */
252b5132
RH
2122 machine = 0;
2123 switch (internal_f->f_magic)
2124 {
2125#ifdef PPCMAGIC
2126 case PPCMAGIC:
2127 arch = bfd_arch_powerpc;
e60b52c6 2128 break;
252b5132
RH
2129#endif
2130#ifdef I386MAGIC
2131 case I386MAGIC:
2132 case I386PTXMAGIC:
99ad8390
NC
2133 case I386AIXMAGIC: /* Danbury PS/2 AIX C Compiler. */
2134 case LYNXCOFFMAGIC: /* Shadows the m68k Lynx number below, sigh. */
252b5132 2135 arch = bfd_arch_i386;
252b5132
RH
2136 break;
2137#endif
99ad8390
NC
2138#ifdef AMD64MAGIC
2139 case AMD64MAGIC:
2140 arch = bfd_arch_i386;
2141 machine = bfd_mach_x86_64;
2142 break;
2143#endif
fac41780
JW
2144#ifdef IA64MAGIC
2145 case IA64MAGIC:
2146 arch = bfd_arch_ia64;
fac41780
JW
2147 break;
2148#endif
252b5132
RH
2149#ifdef ARMMAGIC
2150 case ARMMAGIC:
17505c5c
NC
2151 case ARMPEMAGIC:
2152 case THUMBPEMAGIC:
252b5132 2153 arch = bfd_arch_arm;
5a6c6817
NC
2154 machine = bfd_arm_get_mach_from_notes (abfd, ARM_NOTE_SECTION);
2155 if (machine == bfd_mach_arm_unknown)
252b5132 2156 {
5a6c6817
NC
2157 switch (internal_f->f_flags & F_ARM_ARCHITECTURE_MASK)
2158 {
2159 case F_ARM_2: machine = bfd_mach_arm_2; break;
2160 case F_ARM_2a: machine = bfd_mach_arm_2a; break;
2161 case F_ARM_3: machine = bfd_mach_arm_3; break;
2162 default:
2163 case F_ARM_3M: machine = bfd_mach_arm_3M; break;
2164 case F_ARM_4: machine = bfd_mach_arm_4; break;
2165 case F_ARM_4T: machine = bfd_mach_arm_4T; break;
2166 /* The COFF header does not have enough bits available
2167 to cover all the different ARM architectures. So
2168 we interpret F_ARM_5, the highest flag value to mean
2169 "the highest ARM architecture known to BFD" which is
2170 currently the XScale. */
2171 case F_ARM_5: machine = bfd_mach_arm_XScale; break;
2172 }
252b5132
RH
2173 }
2174 break;
2175#endif
2176#ifdef MC68MAGIC
2177 case MC68MAGIC:
2178 case M68MAGIC:
2179#ifdef MC68KBCSMAGIC
2180 case MC68KBCSMAGIC:
2181#endif
2182#ifdef APOLLOM68KMAGIC
2183 case APOLLOM68KMAGIC:
2184#endif
2185#ifdef LYNXCOFFMAGIC
2186 case LYNXCOFFMAGIC:
2187#endif
2188 arch = bfd_arch_m68k;
2189 machine = bfd_mach_m68020;
2190 break;
2191#endif
2192#ifdef MC88MAGIC
2193 case MC88MAGIC:
2194 case MC88DMAGIC:
2195 case MC88OMAGIC:
2196 arch = bfd_arch_m88k;
2197 machine = 88100;
2198 break;
2199#endif
3c9b82ba
NC
2200#ifdef Z80MAGIC
2201 case Z80MAGIC:
2202 arch = bfd_arch_z80;
2203 switch (internal_f->f_flags & F_MACHMASK)
2204 {
2205 case 0:
2206 case bfd_mach_z80strict << 12:
2207 case bfd_mach_z80 << 12:
2208 case bfd_mach_z80full << 12:
2209 case bfd_mach_r800 << 12:
2210 machine = ((unsigned)internal_f->f_flags & F_MACHMASK) >> 12;
2211 break;
2212 default:
2213 return FALSE;
2214 }
2215 break;
2216#endif
252b5132
RH
2217#ifdef Z8KMAGIC
2218 case Z8KMAGIC:
2219 arch = bfd_arch_z8k;
2220 switch (internal_f->f_flags & F_MACHMASK)
2221 {
2222 case F_Z8001:
2223 machine = bfd_mach_z8001;
2224 break;
2225 case F_Z8002:
2226 machine = bfd_mach_z8002;
2227 break;
2228 default:
b34976b6 2229 return FALSE;
252b5132
RH
2230 }
2231 break;
2232#endif
2233#ifdef I860
2234 case I860MAGIC:
2235 arch = bfd_arch_i860;
2236 break;
2237#endif
2238#ifdef I960
2239#ifdef I960ROMAGIC
2240 case I960ROMAGIC:
2241 case I960RWMAGIC:
2242 arch = bfd_arch_i960;
2243 switch (F_I960TYPE & internal_f->f_flags)
2244 {
2245 default:
2246 case F_I960CORE:
2247 machine = bfd_mach_i960_core;
2248 break;
2249 case F_I960KB:
2250 machine = bfd_mach_i960_kb_sb;
2251 break;
2252 case F_I960MC:
2253 machine = bfd_mach_i960_mc;
2254 break;
2255 case F_I960XA:
2256 machine = bfd_mach_i960_xa;
2257 break;
2258 case F_I960CA:
2259 machine = bfd_mach_i960_ca;
2260 break;
2261 case F_I960KA:
2262 machine = bfd_mach_i960_ka_sa;
2263 break;
2264 case F_I960JX:
2265 machine = bfd_mach_i960_jx;
2266 break;
2267 case F_I960HX:
2268 machine = bfd_mach_i960_hx;
2269 break;
2270 }
2271 break;
2272#endif
2273#endif
2274
2275#ifdef RS6000COFF_C
7f6d05e8 2276#ifdef XCOFF64
eb1e0e80 2277 case U64_TOCMAGIC:
c6664dfb 2278 case U803XTOCMAGIC:
7f6d05e8 2279#else
252b5132
RH
2280 case U802ROMAGIC:
2281 case U802WRMAGIC:
2282 case U802TOCMAGIC:
7f6d05e8 2283#endif
252b5132
RH
2284 {
2285 int cputype;
2286
2287 if (xcoff_data (abfd)->cputype != -1)
2288 cputype = xcoff_data (abfd)->cputype & 0xff;
2289 else
2290 {
2291 /* We did not get a value from the a.out header. If the
2292 file has not been stripped, we may be able to get the
2293 architecture information from the first symbol, if it
2294 is a .file symbol. */
2295 if (obj_raw_syment_count (abfd) == 0)
2296 cputype = 0;
2297 else
2298 {
5ea1af0d 2299 bfd_byte *buf;
252b5132 2300 struct internal_syment sym;
dc810e39 2301 bfd_size_type amt = bfd_coff_symesz (abfd);
252b5132 2302
7920ce38 2303 buf = bfd_malloc (amt);
86eafac0
NC
2304 if (buf == NULL)
2305 return FALSE;
252b5132 2306 if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
dc810e39 2307 || bfd_bread (buf, amt, abfd) != amt)
5ea1af0d 2308 {
2fca4467 2309 free (buf);
b34976b6 2310 return FALSE;
5ea1af0d 2311 }
7920ce38 2312 bfd_coff_swap_sym_in (abfd, buf, & sym);
252b5132
RH
2313 if (sym.n_sclass == C_FILE)
2314 cputype = sym.n_type & 0xff;
2315 else
2316 cputype = 0;
2fca4467 2317 free (buf);
252b5132
RH
2318 }
2319 }
2320
2321 /* FIXME: We don't handle all cases here. */
2322 switch (cputype)
2323 {
2324 default:
2325 case 0:
beb1bf64
TR
2326 arch = bfd_xcoff_architecture (abfd);
2327 machine = bfd_xcoff_machine (abfd);
252b5132
RH
2328 break;
2329
2330 case 1:
2331 arch = bfd_arch_powerpc;
87f33987 2332 machine = bfd_mach_ppc_601;
252b5132
RH
2333 break;
2334 case 2: /* 64 bit PowerPC */
2335 arch = bfd_arch_powerpc;
87f33987 2336 machine = bfd_mach_ppc_620;
252b5132
RH
2337 break;
2338 case 3:
2339 arch = bfd_arch_powerpc;
87f33987 2340 machine = bfd_mach_ppc;
252b5132
RH
2341 break;
2342 case 4:
2343 arch = bfd_arch_rs6000;
87f33987 2344 machine = bfd_mach_rs6k;
252b5132
RH
2345 break;
2346 }
2347 }
2348 break;
2349#endif
2350
2351#ifdef WE32KMAGIC
2352 case WE32KMAGIC:
2353 arch = bfd_arch_we32k;
252b5132
RH
2354 break;
2355#endif
2356
2357#ifdef H8300MAGIC
2358 case H8300MAGIC:
2359 arch = bfd_arch_h8300;
2360 machine = bfd_mach_h8300;
8d9cd6b1 2361 /* !! FIXME this probably isn't the right place for this. */
252b5132
RH
2362 abfd->flags |= BFD_IS_RELAXABLE;
2363 break;
2364#endif
2365
2366#ifdef H8300HMAGIC
2367 case H8300HMAGIC:
2368 arch = bfd_arch_h8300;
2369 machine = bfd_mach_h8300h;
8d9cd6b1 2370 /* !! FIXME this probably isn't the right place for this. */
252b5132
RH
2371 abfd->flags |= BFD_IS_RELAXABLE;
2372 break;
2373#endif
2374
2375#ifdef H8300SMAGIC
2376 case H8300SMAGIC:
2377 arch = bfd_arch_h8300;
2378 machine = bfd_mach_h8300s;
8d9cd6b1
NC
2379 /* !! FIXME this probably isn't the right place for this. */
2380 abfd->flags |= BFD_IS_RELAXABLE;
2381 break;
2382#endif
2383
2384#ifdef H8300HNMAGIC
2385 case H8300HNMAGIC:
2386 arch = bfd_arch_h8300;
2387 machine = bfd_mach_h8300hn;
2388 /* !! FIXME this probably isn't the right place for this. */
2389 abfd->flags |= BFD_IS_RELAXABLE;
2390 break;
2391#endif
2392
2393#ifdef H8300SNMAGIC
2394 case H8300SNMAGIC:
2395 arch = bfd_arch_h8300;
2396 machine = bfd_mach_h8300sn;
2397 /* !! FIXME this probably isn't the right place for this. */
252b5132
RH
2398 abfd->flags |= BFD_IS_RELAXABLE;
2399 break;
2400#endif
2401
2402#ifdef SH_ARCH_MAGIC_BIG
2403 case SH_ARCH_MAGIC_BIG:
2404 case SH_ARCH_MAGIC_LITTLE:
17505c5c
NC
2405#ifdef COFF_WITH_PE
2406 case SH_ARCH_MAGIC_WINCE:
2407#endif
252b5132 2408 arch = bfd_arch_sh;
252b5132
RH
2409 break;
2410#endif
2411
17505c5c
NC
2412#ifdef MIPS_ARCH_MAGIC_WINCE
2413 case MIPS_ARCH_MAGIC_WINCE:
2414 arch = bfd_arch_mips;
17505c5c
NC
2415 break;
2416#endif
2417
252b5132
RH
2418#ifdef H8500MAGIC
2419 case H8500MAGIC:
2420 arch = bfd_arch_h8500;
252b5132
RH
2421 break;
2422#endif
2423
2424#ifdef SPARCMAGIC
2425 case SPARCMAGIC:
2426#ifdef LYNXCOFFMAGIC
2427 case LYNXCOFFMAGIC:
2428#endif
2429 arch = bfd_arch_sparc;
252b5132
RH
2430 break;
2431#endif
2432
2433#ifdef TIC30MAGIC
2434 case TIC30MAGIC:
2435 arch = bfd_arch_tic30;
2436 break;
2437#endif
2438
81635ce4
TW
2439#ifdef TICOFF0MAGIC
2440#ifdef TICOFF_TARGET_ARCH
ed781d5d 2441 /* This TI COFF section should be used by all new TI COFF v0 targets. */
81635ce4
TW
2442 case TICOFF0MAGIC:
2443 arch = TICOFF_TARGET_ARCH;
0da35f8b 2444 machine = TICOFF_TARGET_MACHINE_GET (internal_f->f_flags);
81635ce4
TW
2445 break;
2446#endif
2447#endif
2448
2449#ifdef TICOFF1MAGIC
ed781d5d
NC
2450 /* This TI COFF section should be used by all new TI COFF v1/2 targets. */
2451 /* TI COFF1 and COFF2 use the target_id field to specify which arch. */
81635ce4
TW
2452 case TICOFF1MAGIC:
2453 case TICOFF2MAGIC:
2454 switch (internal_f->f_target_id)
46f2f11d 2455 {
81635ce4 2456#ifdef TI_TARGET_ID
46f2f11d
AM
2457 case TI_TARGET_ID:
2458 arch = TICOFF_TARGET_ARCH;
0da35f8b 2459 machine = TICOFF_TARGET_MACHINE_GET (internal_f->f_flags);
46f2f11d
AM
2460 break;
2461#endif
2462 default:
2463 arch = bfd_arch_obscure;
4eca0228 2464 _bfd_error_handler
46f2f11d
AM
2465 (_("Unrecognized TI COFF target id '0x%x'"),
2466 internal_f->f_target_id);
2467 break;
2468 }
81635ce4
TW
2469 break;
2470#endif
2471
252b5132
RH
2472#ifdef TIC80_ARCH_MAGIC
2473 case TIC80_ARCH_MAGIC:
2474 arch = bfd_arch_tic80;
2475 break;
2476#endif
2477
2478#ifdef MCOREMAGIC
2479 case MCOREMAGIC:
2480 arch = bfd_arch_mcore;
2481 break;
2482#endif
c8e48751
AM
2483
2484#ifdef W65MAGIC
2485 case W65MAGIC:
2486 arch = bfd_arch_w65;
2487 break;
2488#endif
2489
ed781d5d 2490 default: /* Unreadable input file type. */
252b5132
RH
2491 arch = bfd_arch_obscure;
2492 break;
2493 }
2494
2495 bfd_default_set_arch_mach (abfd, arch, machine);
b34976b6 2496 return TRUE;
252b5132
RH
2497}
2498
2499#ifdef SYMNAME_IN_DEBUG
2500
b34976b6 2501static bfd_boolean
7920ce38 2502symname_in_debug_hook (bfd * abfd ATTRIBUTE_UNUSED, struct internal_syment *sym)
252b5132 2503{
82e51918 2504 return SYMNAME_IN_DEBUG (sym) != 0;
252b5132
RH
2505}
2506
2507#else
2508
2509#define symname_in_debug_hook \
7920ce38 2510 (bfd_boolean (*) (bfd *, struct internal_syment *)) bfd_false
252b5132
RH
2511
2512#endif
2513
2514#ifdef RS6000COFF_C
2515
7f6d05e8
CP
2516#ifdef XCOFF64
2517#define FORCE_SYMNAMES_IN_STRINGS
2518#endif
a022216b 2519
8602d4fe 2520/* Handle the csect auxent of a C_EXT, C_AIX_WEAKEXT or C_HIDEXT symbol. */
252b5132 2521
b34976b6 2522static bfd_boolean
7920ce38
NC
2523coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED,
2524 combined_entry_type *table_base,
2525 combined_entry_type *symbol,
2526 unsigned int indaux,
2527 combined_entry_type *aux)
252b5132 2528{
a5c71af8 2529 BFD_ASSERT (symbol->is_sym);
96d56e9f 2530 int n_sclass = symbol->u.syment.n_sclass;
252b5132 2531
96d56e9f 2532 if (CSECT_SYM_P (n_sclass)
252b5132
RH
2533 && indaux + 1 == symbol->u.syment.n_numaux)
2534 {
a5c71af8 2535 BFD_ASSERT (! aux->is_sym);
252b5132
RH
2536 if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) == XTY_LD)
2537 {
2538 aux->u.auxent.x_csect.x_scnlen.p =
2539 table_base + aux->u.auxent.x_csect.x_scnlen.l;
2540 aux->fix_scnlen = 1;
2541 }
2542
b34976b6 2543 /* Return TRUE to indicate that the caller should not do any
46f2f11d 2544 further work on this auxent. */
b34976b6 2545 return TRUE;
252b5132
RH
2546 }
2547
b34976b6 2548 /* Return FALSE to indicate that this auxent should be handled by
252b5132 2549 the caller. */
b34976b6 2550 return FALSE;
252b5132
RH
2551}
2552
2553#else
2554#ifdef I960
2555
2556/* We don't want to pointerize bal entries. */
2557
b34976b6 2558static bfd_boolean
7920ce38
NC
2559coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED,
2560 combined_entry_type *table_base ATTRIBUTE_UNUSED,
2561 combined_entry_type *symbol,
2562 unsigned int indaux,
2563 combined_entry_type *aux ATTRIBUTE_UNUSED)
252b5132 2564{
b34976b6 2565 /* Return TRUE if we don't want to pointerize this aux entry, which
252b5132
RH
2566 is the case for the lastfirst aux entry for a C_LEAFPROC symbol. */
2567 return (indaux == 1
f8521a03 2568 && symbol->is_sym
252b5132
RH
2569 && (symbol->u.syment.n_sclass == C_LEAFPROC
2570 || symbol->u.syment.n_sclass == C_LEAFSTAT
2571 || symbol->u.syment.n_sclass == C_LEAFEXT));
2572}
2573
2574#else /* ! I960 */
2575
2576#define coff_pointerize_aux_hook 0
2577
2578#endif /* ! I960 */
2579#endif /* ! RS6000COFF_C */
2580
b34976b6 2581/* Print an aux entry. This returns TRUE if it has printed it. */
252b5132 2582
b34976b6 2583static bfd_boolean
7920ce38
NC
2584coff_print_aux (bfd *abfd ATTRIBUTE_UNUSED,
2585 FILE *file ATTRIBUTE_UNUSED,
2586 combined_entry_type *table_base ATTRIBUTE_UNUSED,
2587 combined_entry_type *symbol ATTRIBUTE_UNUSED,
2588 combined_entry_type *aux ATTRIBUTE_UNUSED,
2589 unsigned int indaux ATTRIBUTE_UNUSED)
252b5132 2590{
a5c71af8
NC
2591 BFD_ASSERT (symbol->is_sym);
2592 BFD_ASSERT (! aux->is_sym);
252b5132 2593#ifdef RS6000COFF_C
8602d4fe 2594 if (CSECT_SYM_P (symbol->u.syment.n_sclass)
252b5132
RH
2595 && indaux + 1 == symbol->u.syment.n_numaux)
2596 {
2597 /* This is a csect entry. */
2598 fprintf (file, "AUX ");
2599 if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) != XTY_LD)
2600 {
2601 BFD_ASSERT (! aux->fix_scnlen);
dc810e39 2602#ifdef XCOFF64
f60ca5e3
AM
2603 fprintf (file, "val %5lld",
2604 (long long) aux->u.auxent.x_csect.x_scnlen.l);
beb1bf64
TR
2605#else
2606 fprintf (file, "val %5ld", (long) aux->u.auxent.x_csect.x_scnlen.l);
2607#endif
252b5132
RH
2608 }
2609 else
2610 {
2611 fprintf (file, "indx ");
2612 if (! aux->fix_scnlen)
beb1bf64 2613#ifdef XCOFF64
f60ca5e3
AM
2614 fprintf (file, "%4lld",
2615 (long long) aux->u.auxent.x_csect.x_scnlen.l);
beb1bf64
TR
2616#else
2617 fprintf (file, "%4ld", (long) aux->u.auxent.x_csect.x_scnlen.l);
2618#endif
252b5132
RH
2619 else
2620 fprintf (file, "%4ld",
2621 (long) (aux->u.auxent.x_csect.x_scnlen.p - table_base));
2622 }
2623 fprintf (file,
2624 " prmhsh %ld snhsh %u typ %d algn %d clss %u stb %ld snstb %u",
2625 aux->u.auxent.x_csect.x_parmhash,
2626 (unsigned int) aux->u.auxent.x_csect.x_snhash,
2627 SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp),
2628 SMTYP_ALIGN (aux->u.auxent.x_csect.x_smtyp),
2629 (unsigned int) aux->u.auxent.x_csect.x_smclas,
2630 aux->u.auxent.x_csect.x_stab,
2631 (unsigned int) aux->u.auxent.x_csect.x_snstab);
b34976b6 2632 return TRUE;
252b5132
RH
2633 }
2634#endif
2635
b34976b6
AM
2636 /* Return FALSE to indicate that no special action was taken. */
2637 return FALSE;
252b5132
RH
2638}
2639
2640/*
2641SUBSUBSECTION
2642 Writing relocations
2643
2644 To write relocations, the back end steps though the
2645 canonical relocation table and create an
2646 @code{internal_reloc}. The symbol index to use is removed from
2647 the @code{offset} field in the symbol table supplied. The
2648 address comes directly from the sum of the section base
2649 address and the relocation offset; the type is dug directly
2650 from the howto field. Then the @code{internal_reloc} is
2651 swapped into the shape of an @code{external_reloc} and written
2652 out to disk.
2653
2654*/
2655
2656#ifdef TARG_AUX
2657
252b5132 2658
ed781d5d 2659/* AUX's ld wants relocations to be sorted. */
252b5132 2660static int
7920ce38 2661compare_arelent_ptr (const void * x, const void * y)
252b5132
RH
2662{
2663 const arelent **a = (const arelent **) x;
2664 const arelent **b = (const arelent **) y;
2665 bfd_size_type aadr = (*a)->address;
2666 bfd_size_type badr = (*b)->address;
2667
2668 return (aadr < badr ? -1 : badr < aadr ? 1 : 0);
2669}
2670
2671#endif /* TARG_AUX */
2672
b34976b6 2673static bfd_boolean
7920ce38 2674coff_write_relocs (bfd * abfd, int first_undef)
252b5132
RH
2675{
2676 asection *s;
2677
7920ce38 2678 for (s = abfd->sections; s != NULL; s = s->next)
252b5132
RH
2679 {
2680 unsigned int i;
2681 struct external_reloc dst;
2682 arelent **p;
2683
2684#ifndef TARG_AUX
2685 p = s->orelocation;
2686#else
dc810e39 2687 {
ed781d5d 2688 /* Sort relocations before we write them out. */
dc810e39
AM
2689 bfd_size_type amt;
2690
2691 amt = s->reloc_count;
2692 amt *= sizeof (arelent *);
7920ce38 2693 p = bfd_malloc (amt);
86eafac0
NC
2694 if (p == NULL)
2695 {
2696 if (s->reloc_count > 0)
2697 return FALSE;
2698 }
2699 else
2700 {
2701 memcpy (p, s->orelocation, (size_t) amt);
2702 qsort (p, s->reloc_count, sizeof (arelent *), compare_arelent_ptr);
2703 }
dc810e39 2704 }
252b5132
RH
2705#endif
2706
2707 if (bfd_seek (abfd, s->rel_filepos, SEEK_SET) != 0)
b34976b6 2708 return FALSE;
3e4554a2
DD
2709
2710#ifdef COFF_WITH_PE
e9168c1e 2711 if (obj_pe (abfd) && s->reloc_count >= 0xffff)
3e4554a2 2712 {
ed781d5d 2713 /* Encode real count here as first reloc. */
3e4554a2 2714 struct internal_reloc n;
ed781d5d 2715
7920ce38 2716 memset (& n, 0, sizeof (n));
ed781d5d 2717 /* Add one to count *this* reloc (grr). */
3e4554a2
DD
2718 n.r_vaddr = s->reloc_count + 1;
2719 coff_swap_reloc_out (abfd, &n, &dst);
7920ce38
NC
2720 if (bfd_bwrite (& dst, (bfd_size_type) bfd_coff_relsz (abfd),
2721 abfd) != bfd_coff_relsz (abfd))
b34976b6 2722 return FALSE;
3e4554a2
DD
2723 }
2724#endif
2725
252b5132
RH
2726 for (i = 0; i < s->reloc_count; i++)
2727 {
2728 struct internal_reloc n;
2729 arelent *q = p[i];
ed781d5d 2730
7920ce38 2731 memset (& n, 0, sizeof (n));
252b5132
RH
2732
2733 /* Now we've renumbered the symbols we know where the
2734 undefined symbols live in the table. Check the reloc
2735 entries for symbols who's output bfd isn't the right one.
2736 This is because the symbol was undefined (which means
2737 that all the pointers are never made to point to the same
2738 place). This is a bad thing,'cause the symbols attached
2739 to the output bfd are indexed, so that the relocation
2740 entries know which symbol index they point to. So we
e60b52c6 2741 have to look up the output symbol here. */
252b5132 2742
ef72a554 2743 if (q->sym_ptr_ptr[0] != NULL && q->sym_ptr_ptr[0]->the_bfd != abfd)
252b5132 2744 {
dc810e39 2745 int j;
252b5132
RH
2746 const char *sname = q->sym_ptr_ptr[0]->name;
2747 asymbol **outsyms = abfd->outsymbols;
ed781d5d 2748
dc810e39 2749 for (j = first_undef; outsyms[j]; j++)
252b5132 2750 {
dc810e39 2751 const char *intable = outsyms[j]->name;
ed781d5d 2752
7920ce38
NC
2753 if (strcmp (intable, sname) == 0)
2754 {
2755 /* Got a hit, so repoint the reloc. */
2756 q->sym_ptr_ptr = outsyms + j;
2757 break;
2758 }
252b5132
RH
2759 }
2760 }
2761
2762 n.r_vaddr = q->address + s->vma;
2763
2764#ifdef R_IHCONST
2765 /* The 29k const/consth reloc pair is a real kludge. The consth
2766 part doesn't have a symbol; it has an offset. So rebuilt
2767 that here. */
2768 if (q->howto->type == R_IHCONST)
2769 n.r_symndx = q->addend;
2770 else
2771#endif
ef72a554 2772 if (q->sym_ptr_ptr && q->sym_ptr_ptr[0] != NULL)
252b5132 2773 {
6c784c9a 2774#ifdef SECTION_RELATIVE_ABSOLUTE_SYMBOL_P
46f2f11d 2775 if (SECTION_RELATIVE_ABSOLUTE_SYMBOL_P (q, s))
6c784c9a 2776#else
250d94fd
AM
2777 if ((*q->sym_ptr_ptr)->section == bfd_abs_section_ptr
2778 && ((*q->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0)
6c784c9a 2779#endif
252b5132
RH
2780 /* This is a relocation relative to the absolute symbol. */
2781 n.r_symndx = -1;
2782 else
2783 {
2784 n.r_symndx = get_index ((*(q->sym_ptr_ptr)));
337ff0a5
NC
2785 /* Check to see if the symbol reloc points to a symbol
2786 we don't have in our symbol table. */
252b5132 2787 if (n.r_symndx > obj_conv_table_size (abfd))
337ff0a5
NC
2788 {
2789 bfd_set_error (bfd_error_bad_value);
695344c0 2790 /* xgettext:c-format */
63a5468a
AM
2791 _bfd_error_handler (_("%B: reloc against a non-existent"
2792 " symbol index: %ld"),
337ff0a5
NC
2793 abfd, n.r_symndx);
2794 return FALSE;
2795 }
252b5132
RH
2796 }
2797 }
2798
2799#ifdef SWAP_OUT_RELOC_OFFSET
2800 n.r_offset = q->addend;
2801#endif
2802
2803#ifdef SELECT_RELOC
ed781d5d 2804 /* Work out reloc type from what is required. */
252b5132
RH
2805 SELECT_RELOC (n, q->howto);
2806#else
2807 n.r_type = q->howto->type;
2808#endif
2809 coff_swap_reloc_out (abfd, &n, &dst);
ed781d5d 2810
7920ce38 2811 if (bfd_bwrite (& dst, (bfd_size_type) bfd_coff_relsz (abfd),
dc810e39 2812 abfd) != bfd_coff_relsz (abfd))
b34976b6 2813 return FALSE;
252b5132
RH
2814 }
2815
2816#ifdef TARG_AUX
2817 if (p != NULL)
2818 free (p);
2819#endif
2820 }
2821
b34976b6 2822 return TRUE;
252b5132
RH
2823}
2824
2825/* Set flags and magic number of a coff file from architecture and machine
b34976b6 2826 type. Result is TRUE if we can represent the arch&type, FALSE if not. */
252b5132 2827
b34976b6 2828static bfd_boolean
7920ce38
NC
2829coff_set_flags (bfd * abfd,
2830 unsigned int *magicp ATTRIBUTE_UNUSED,
2831 unsigned short *flagsp ATTRIBUTE_UNUSED)
252b5132
RH
2832{
2833 switch (bfd_get_arch (abfd))
2834 {
3c9b82ba
NC
2835#ifdef Z80MAGIC
2836 case bfd_arch_z80:
2837 *magicp = Z80MAGIC;
2838 switch (bfd_get_mach (abfd))
2839 {
2840 case 0:
2841 case bfd_mach_z80strict:
2842 case bfd_mach_z80:
2843 case bfd_mach_z80full:
2844 case bfd_mach_r800:
2845 *flagsp = bfd_get_mach (abfd) << 12;
2846 break;
2847 default:
2848 return FALSE;
2849 }
2850 return TRUE;
2851#endif
2852
252b5132
RH
2853#ifdef Z8KMAGIC
2854 case bfd_arch_z8k:
2855 *magicp = Z8KMAGIC;
7920ce38 2856
252b5132
RH
2857 switch (bfd_get_mach (abfd))
2858 {
7920ce38
NC
2859 case bfd_mach_z8001: *flagsp = F_Z8001; break;
2860 case bfd_mach_z8002: *flagsp = F_Z8002; break;
2861 default: return FALSE;
252b5132 2862 }
b34976b6 2863 return TRUE;
252b5132 2864#endif
252b5132 2865
7920ce38 2866#ifdef I960ROMAGIC
252b5132
RH
2867 case bfd_arch_i960:
2868
2869 {
2870 unsigned flags;
7920ce38 2871
252b5132 2872 *magicp = I960ROMAGIC;
7920ce38 2873
252b5132
RH
2874 switch (bfd_get_mach (abfd))
2875 {
7920ce38
NC
2876 case bfd_mach_i960_core: flags = F_I960CORE; break;
2877 case bfd_mach_i960_kb_sb: flags = F_I960KB; break;
2878 case bfd_mach_i960_mc: flags = F_I960MC; break;
2879 case bfd_mach_i960_xa: flags = F_I960XA; break;
2880 case bfd_mach_i960_ca: flags = F_I960CA; break;
2881 case bfd_mach_i960_ka_sa: flags = F_I960KA; break;
2882 case bfd_mach_i960_jx: flags = F_I960JX; break;
2883 case bfd_mach_i960_hx: flags = F_I960HX; break;
46f2f11d 2884 default: return FALSE;
252b5132
RH
2885 }
2886 *flagsp = flags;
b34976b6 2887 return TRUE;
252b5132
RH
2888 }
2889 break;
2890#endif
2891
2892#ifdef TIC30MAGIC
2893 case bfd_arch_tic30:
2894 *magicp = TIC30MAGIC;
b34976b6 2895 return TRUE;
252b5132 2896#endif
81635ce4
TW
2897
2898#ifdef TICOFF_DEFAULT_MAGIC
2899 case TICOFF_TARGET_ARCH:
ed781d5d 2900 /* If there's no indication of which version we want, use the default. */
81635ce4 2901 if (!abfd->xvec )
46f2f11d 2902 *magicp = TICOFF_DEFAULT_MAGIC;
81635ce4 2903 else
46f2f11d
AM
2904 {
2905 /* We may want to output in a different COFF version. */
2906 switch (abfd->xvec->name[4])
2907 {
2908 case '0':
2909 *magicp = TICOFF0MAGIC;
2910 break;
2911 case '1':
2912 *magicp = TICOFF1MAGIC;
2913 break;
2914 case '2':
2915 *magicp = TICOFF2MAGIC;
2916 break;
2917 default:
2918 return FALSE;
2919 }
2920 }
0da35f8b 2921 TICOFF_TARGET_MACHINE_SET (flagsp, bfd_get_mach (abfd));
b34976b6 2922 return TRUE;
81635ce4
TW
2923#endif
2924
252b5132
RH
2925#ifdef TIC80_ARCH_MAGIC
2926 case bfd_arch_tic80:
2927 *magicp = TIC80_ARCH_MAGIC;
b34976b6 2928 return TRUE;
252b5132 2929#endif
7920ce38 2930
252b5132
RH
2931#ifdef ARMMAGIC
2932 case bfd_arch_arm:
17505c5c
NC
2933#ifdef ARM_WINCE
2934 * magicp = ARMPEMAGIC;
2935#else
252b5132 2936 * magicp = ARMMAGIC;
17505c5c 2937#endif
252b5132
RH
2938 * flagsp = 0;
2939 if (APCS_SET (abfd))
2940 {
2941 if (APCS_26_FLAG (abfd))
2942 * flagsp |= F_APCS26;
e60b52c6 2943
252b5132
RH
2944 if (APCS_FLOAT_FLAG (abfd))
2945 * flagsp |= F_APCS_FLOAT;
e60b52c6 2946
252b5132 2947 if (PIC_FLAG (abfd))
948221a8 2948 * flagsp |= F_PIC;
252b5132
RH
2949 }
2950 if (INTERWORK_SET (abfd) && INTERWORK_FLAG (abfd))
2951 * flagsp |= F_INTERWORK;
2952 switch (bfd_get_mach (abfd))
2953 {
2954 case bfd_mach_arm_2: * flagsp |= F_ARM_2; break;
2955 case bfd_mach_arm_2a: * flagsp |= F_ARM_2a; break;
2956 case bfd_mach_arm_3: * flagsp |= F_ARM_3; break;
2957 case bfd_mach_arm_3M: * flagsp |= F_ARM_3M; break;
2958 case bfd_mach_arm_4: * flagsp |= F_ARM_4; break;
2959 case bfd_mach_arm_4T: * flagsp |= F_ARM_4T; break;
478d07d6 2960 case bfd_mach_arm_5: * flagsp |= F_ARM_5; break;
f13b834e
NC
2961 /* FIXME: we do not have F_ARM vaues greater than F_ARM_5.
2962 See also the comment in coff_set_arch_mach_hook(). */
077b8428
NC
2963 case bfd_mach_arm_5T: * flagsp |= F_ARM_5; break;
2964 case bfd_mach_arm_5TE: * flagsp |= F_ARM_5; break;
2965 case bfd_mach_arm_XScale: * flagsp |= F_ARM_5; break;
252b5132 2966 }
b34976b6 2967 return TRUE;
252b5132 2968#endif
7920ce38 2969
252b5132
RH
2970#ifdef PPCMAGIC
2971 case bfd_arch_powerpc:
2972 *magicp = PPCMAGIC;
b34976b6 2973 return TRUE;
252b5132 2974#endif
7920ce38 2975
99ad8390 2976#if defined(I386MAGIC) || defined(AMD64MAGIC)
252b5132 2977 case bfd_arch_i386:
99ad8390 2978#if defined(I386MAGIC)
252b5132 2979 *magicp = I386MAGIC;
99ad8390
NC
2980#endif
2981#if defined LYNXOS
e60b52c6 2982 /* Just overwrite the usual value if we're doing Lynx. */
252b5132 2983 *magicp = LYNXCOFFMAGIC;
99ad8390
NC
2984#endif
2985#if defined AMD64MAGIC
2986 *magicp = AMD64MAGIC;
252b5132 2987#endif
b34976b6 2988 return TRUE;
252b5132 2989#endif
7920ce38 2990
252b5132
RH
2991#ifdef I860MAGIC
2992 case bfd_arch_i860:
2993 *magicp = I860MAGIC;
b34976b6 2994 return TRUE;
252b5132 2995#endif
7920ce38 2996
fac41780
JW
2997#ifdef IA64MAGIC
2998 case bfd_arch_ia64:
2999 *magicp = IA64MAGIC;
b34976b6 3000 return TRUE;
fac41780 3001#endif
7920ce38 3002
252b5132
RH
3003#ifdef MC68MAGIC
3004 case bfd_arch_m68k:
3005#ifdef APOLLOM68KMAGIC
3006 *magicp = APOLLO_COFF_VERSION_NUMBER;
3007#else
3008 /* NAMES_HAVE_UNDERSCORE may be defined by coff-u68k.c. */
3009#ifdef NAMES_HAVE_UNDERSCORE
3010 *magicp = MC68KBCSMAGIC;
3011#else
3012 *magicp = MC68MAGIC;
3013#endif
3014#endif
3015#ifdef LYNXOS
e60b52c6 3016 /* Just overwrite the usual value if we're doing Lynx. */
252b5132
RH
3017 *magicp = LYNXCOFFMAGIC;
3018#endif
b34976b6 3019 return TRUE;
252b5132
RH
3020#endif
3021
3022#ifdef MC88MAGIC
3023 case bfd_arch_m88k:
3024 *magicp = MC88OMAGIC;
b34976b6 3025 return TRUE;
252b5132 3026#endif
7920ce38 3027
252b5132
RH
3028#ifdef H8300MAGIC
3029 case bfd_arch_h8300:
3030 switch (bfd_get_mach (abfd))
3031 {
7920ce38
NC
3032 case bfd_mach_h8300: *magicp = H8300MAGIC; return TRUE;
3033 case bfd_mach_h8300h: *magicp = H8300HMAGIC; return TRUE;
3034 case bfd_mach_h8300s: *magicp = H8300SMAGIC; return TRUE;
3035 case bfd_mach_h8300hn: *magicp = H8300HNMAGIC; return TRUE;
3036 case bfd_mach_h8300sn: *magicp = H8300SNMAGIC; return TRUE;
3037 default: break;
252b5132
RH
3038 }
3039 break;
3040#endif
3041
3042#ifdef SH_ARCH_MAGIC_BIG
3043 case bfd_arch_sh:
17505c5c
NC
3044#ifdef COFF_IMAGE_WITH_PE
3045 *magicp = SH_ARCH_MAGIC_WINCE;
3046#else
252b5132
RH
3047 if (bfd_big_endian (abfd))
3048 *magicp = SH_ARCH_MAGIC_BIG;
3049 else
3050 *magicp = SH_ARCH_MAGIC_LITTLE;
17505c5c 3051#endif
b34976b6 3052 return TRUE;
17505c5c
NC
3053#endif
3054
3055#ifdef MIPS_ARCH_MAGIC_WINCE
3056 case bfd_arch_mips:
3057 *magicp = MIPS_ARCH_MAGIC_WINCE;
b34976b6 3058 return TRUE;
252b5132
RH
3059#endif
3060
3061#ifdef SPARCMAGIC
3062 case bfd_arch_sparc:
3063 *magicp = SPARCMAGIC;
3064#ifdef LYNXOS
e60b52c6 3065 /* Just overwrite the usual value if we're doing Lynx. */
252b5132
RH
3066 *magicp = LYNXCOFFMAGIC;
3067#endif
b34976b6 3068 return TRUE;
252b5132
RH
3069#endif
3070
3071#ifdef H8500MAGIC
3072 case bfd_arch_h8500:
3073 *magicp = H8500MAGIC;
b34976b6 3074 return TRUE;
252b5132
RH
3075 break;
3076#endif
7920ce38 3077
252b5132
RH
3078#ifdef WE32KMAGIC
3079 case bfd_arch_we32k:
3080 *magicp = WE32KMAGIC;
b34976b6 3081 return TRUE;
252b5132
RH
3082#endif
3083
7f6d05e8 3084#ifdef RS6000COFF_C
252b5132
RH
3085 case bfd_arch_rs6000:
3086#ifndef PPCMAGIC
3087 case bfd_arch_powerpc:
3088#endif
eb1e0e80
NC
3089 BFD_ASSERT (bfd_get_flavour (abfd) == bfd_target_xcoff_flavour);
3090 *magicp = bfd_xcoff_magic_number (abfd);
b34976b6 3091 return TRUE;
252b5132
RH
3092#endif
3093
3094#ifdef MCOREMAGIC
3095 case bfd_arch_mcore:
3096 * magicp = MCOREMAGIC;
b34976b6 3097 return TRUE;
252b5132 3098#endif
e60b52c6 3099
371e71b8
NC
3100#ifdef W65MAGIC
3101 case bfd_arch_w65:
3102 *magicp = W65MAGIC;
b34976b6 3103 return TRUE;
371e71b8
NC
3104#endif
3105
3106 default: /* Unknown architecture. */
b34976b6 3107 /* Fall through to "return FALSE" below, to avoid
371e71b8 3108 "statement never reached" errors on the one below. */
252b5132
RH
3109 break;
3110 }
3111
b34976b6 3112 return FALSE;
252b5132
RH
3113}
3114
b34976b6 3115static bfd_boolean
7920ce38
NC
3116coff_set_arch_mach (bfd * abfd,
3117 enum bfd_architecture arch,
3118 unsigned long machine)
252b5132
RH
3119{
3120 unsigned dummy1;
3121 unsigned short dummy2;
3122
3123 if (! bfd_default_set_arch_mach (abfd, arch, machine))
b34976b6 3124 return FALSE;
252b5132 3125
82e51918
AM
3126 if (arch != bfd_arch_unknown
3127 && ! coff_set_flags (abfd, &dummy1, &dummy2))
7920ce38 3128 return FALSE; /* We can't represent this type. */
252b5132 3129
7920ce38 3130 return TRUE; /* We're easy... */
252b5132
RH
3131}
3132
75cc7189
ILT
3133#ifdef COFF_IMAGE_WITH_PE
3134
3135/* This is used to sort sections by VMA, as required by PE image
3136 files. */
3137
75cc7189 3138static int
7920ce38 3139sort_by_secaddr (const void * arg1, const void * arg2)
75cc7189
ILT
3140{
3141 const asection *a = *(const asection **) arg1;
3142 const asection *b = *(const asection **) arg2;
3143
3144 if (a->vma < b->vma)
3145 return -1;
3146 else if (a->vma > b->vma)
3147 return 1;
7920ce38
NC
3148
3149 return 0;
75cc7189
ILT
3150}
3151
3152#endif /* COFF_IMAGE_WITH_PE */
252b5132 3153
e60b52c6 3154/* Calculate the file position for each section. */
252b5132
RH
3155
3156#ifndef I960
3157#define ALIGN_SECTIONS_IN_FILE
3158#endif
81635ce4 3159#if defined(TIC80COFF) || defined(TICOFF)
252b5132
RH
3160#undef ALIGN_SECTIONS_IN_FILE
3161#endif
3162
b34976b6 3163static bfd_boolean
7920ce38 3164coff_compute_section_file_positions (bfd * abfd)
252b5132
RH
3165{
3166 asection *current;
6b3b007b 3167 file_ptr sofar = bfd_coff_filhsz (abfd);
b34976b6 3168 bfd_boolean align_adjust;
167ad85b 3169 unsigned int target_index;
252b5132 3170#ifdef ALIGN_SECTIONS_IN_FILE
c7e2358a 3171 asection *previous = NULL;
252b5132
RH
3172 file_ptr old_sofar;
3173#endif
3174
22eb4b1d
AM
3175#ifdef COFF_IMAGE_WITH_PE
3176 int page_size;
3177
a4a027b7
KT
3178 if (coff_data (abfd)->link_info
3179 || (pe_data (abfd) && pe_data (abfd)->pe_opthdr.FileAlignment))
22eb4b1d
AM
3180 {
3181 page_size = pe_data (abfd)->pe_opthdr.FileAlignment;
3182
3183 /* If no file alignment has been set, default to one.
3184 This repairs 'ld -r' for arm-wince-pe target. */
3185 if (page_size == 0)
3186 page_size = 1;
c86934ce
NC
3187
3188 /* PR 17512: file: 0ac816d3. */
3189 if (page_size < 0)
3190 {
3191 bfd_set_error (bfd_error_file_too_big);
4eca0228 3192 _bfd_error_handler
695344c0 3193 /* xgettext:c-format */
c86934ce
NC
3194 (_("%B: page size is too large (0x%x)"), abfd, page_size);
3195 return FALSE;
3196 }
22eb4b1d
AM
3197 }
3198 else
3199 page_size = PE_DEF_FILE_ALIGNMENT;
3200#else
3201#ifdef COFF_PAGE_SIZE
3202 int page_size = COFF_PAGE_SIZE;
3203#endif
3204#endif
3205
252b5132
RH
3206#ifdef RS6000COFF_C
3207 /* On XCOFF, if we have symbols, set up the .debug section. */
3208 if (bfd_get_symcount (abfd) > 0)
3209 {
3210 bfd_size_type sz;
3211 bfd_size_type i, symcount;
3212 asymbol **symp;
3213
3214 sz = 0;
3215 symcount = bfd_get_symcount (abfd);
3216 for (symp = abfd->outsymbols, i = 0; i < symcount; symp++, i++)
3217 {
3218 coff_symbol_type *cf;
3219
f4943d82 3220 cf = coff_symbol_from (*symp);
252b5132
RH
3221 if (cf != NULL
3222 && cf->native != NULL
a5c71af8 3223 && cf->native->is_sym
252b5132
RH
3224 && SYMNAME_IN_DEBUG (&cf->native->u.syment))
3225 {
3226 size_t len;
3227
3228 len = strlen (bfd_asymbol_name (*symp));
7f6d05e8
CP
3229 if (len > SYMNMLEN || bfd_coff_force_symnames_in_strings (abfd))
3230 sz += len + 1 + bfd_coff_debug_string_prefix_length (abfd);
252b5132
RH
3231 }
3232 }
3233 if (sz > 0)
3234 {
3235 asection *dsec;
3236
8a7140c3 3237 dsec = bfd_make_section_old_way (abfd, DOT_DEBUG);
252b5132
RH
3238 if (dsec == NULL)
3239 abort ();
eea6121a 3240 dsec->size = sz;
252b5132
RH
3241 dsec->flags |= SEC_HAS_CONTENTS;
3242 }
3243 }
3244#endif
3245
252b5132 3246 if (bfd_get_start_address (abfd))
7920ce38
NC
3247 /* A start address may have been added to the original file. In this
3248 case it will need an optional header to record it. */
3249 abfd->flags |= EXEC_P;
252b5132
RH
3250
3251 if (abfd->flags & EXEC_P)
6b3b007b 3252 sofar += bfd_coff_aoutsz (abfd);
252b5132
RH
3253#ifdef RS6000COFF_C
3254 else if (xcoff_data (abfd)->full_aouthdr)
6b3b007b 3255 sofar += bfd_coff_aoutsz (abfd);
252b5132
RH
3256 else
3257 sofar += SMALL_AOUTSZ;
3258#endif
3259
6b3b007b 3260 sofar += abfd->section_count * bfd_coff_scnhsz (abfd);
252b5132
RH
3261
3262#ifdef RS6000COFF_C
3263 /* XCOFF handles overflows in the reloc and line number count fields
3264 by allocating a new section header to hold the correct counts. */
3265 for (current = abfd->sections; current != NULL; current = current->next)
3266 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
6b3b007b 3267 sofar += bfd_coff_scnhsz (abfd);
252b5132
RH
3268#endif
3269
75cc7189
ILT
3270#ifdef COFF_IMAGE_WITH_PE
3271 {
3272 /* PE requires the sections to be in memory order when listed in
3273 the section headers. It also does not like empty loadable
3274 sections. The sections apparently do not have to be in the
3275 right order in the image file itself, but we do need to get the
3276 target_index values right. */
3277
dc810e39 3278 unsigned int count;
75cc7189 3279 asection **section_list;
dc810e39 3280 unsigned int i;
dc810e39 3281 bfd_size_type amt;
75cc7189 3282
4f360784
L
3283#ifdef COFF_PAGE_SIZE
3284 /* Clear D_PAGED if section alignment is smaller than
3285 COFF_PAGE_SIZE. */
3286 if (pe_data (abfd)->pe_opthdr.SectionAlignment < COFF_PAGE_SIZE)
3287 abfd->flags &= ~D_PAGED;
3288#endif
3289
75cc7189
ILT
3290 count = 0;
3291 for (current = abfd->sections; current != NULL; current = current->next)
3292 ++count;
3293
3294 /* We allocate an extra cell to simplify the final loop. */
dc810e39 3295 amt = sizeof (struct asection *) * (count + 1);
a50b1753 3296 section_list = (asection **) bfd_malloc (amt);
75cc7189 3297 if (section_list == NULL)
b34976b6 3298 return FALSE;
75cc7189
ILT
3299
3300 i = 0;
3301 for (current = abfd->sections; current != NULL; current = current->next)
3302 {
3303 section_list[i] = current;
3304 ++i;
3305 }
3306 section_list[i] = NULL;
3307
3308 qsort (section_list, count, sizeof (asection *), sort_by_secaddr);
3309
3310 /* Rethread the linked list into sorted order; at the same time,
3311 assign target_index values. */
3312 target_index = 1;
5daa8fe7
L
3313 abfd->sections = NULL;
3314 abfd->section_last = NULL;
75cc7189
ILT
3315 for (i = 0; i < count; i++)
3316 {
3317 current = section_list[i];
5daa8fe7 3318 bfd_section_list_append (abfd, current);
75cc7189
ILT
3319
3320 /* Later, if the section has zero size, we'll be throwing it
3321 away, so we don't want to number it now. Note that having
3322 a zero size and having real contents are different
3323 concepts: .bss has no contents, but (usually) non-zero
3324 size. */
eea6121a 3325 if (current->size == 0)
75cc7189
ILT
3326 {
3327 /* Discard. However, it still might have (valid) symbols
3328 in it, so arbitrarily set it to section 1 (indexing is
3329 1-based here; usually .text). __end__ and other
3330 contents of .endsection really have this happen.
3331 FIXME: This seems somewhat dubious. */
3332 current->target_index = 1;
3333 }
3334 else
3335 current->target_index = target_index++;
3336 }
3337
2fca4467 3338 free (section_list);
75cc7189
ILT
3339 }
3340#else /* ! COFF_IMAGE_WITH_PE */
3341 {
3342 /* Set the target_index field. */
75cc7189
ILT
3343 target_index = 1;
3344 for (current = abfd->sections; current != NULL; current = current->next)
3345 current->target_index = target_index++;
3346 }
3347#endif /* ! COFF_IMAGE_WITH_PE */
3348
167ad85b 3349 if (target_index >= bfd_coff_max_nscns (abfd))
22eb4b1d
AM
3350 {
3351 bfd_set_error (bfd_error_file_too_big);
4eca0228 3352 _bfd_error_handler
695344c0 3353 /* xgettext:c-format */
22eb4b1d
AM
3354 (_("%B: too many sections (%d)"), abfd, target_index);
3355 return FALSE;
3356 }
3357
b34976b6 3358 align_adjust = FALSE;
75cc7189 3359 for (current = abfd->sections;
7920ce38 3360 current != NULL;
75cc7189 3361 current = current->next)
252b5132
RH
3362 {
3363#ifdef COFF_IMAGE_WITH_PE
75cc7189
ILT
3364 /* With PE we have to pad each section to be a multiple of its
3365 page size too, and remember both sizes. */
3366 if (coff_section_data (abfd, current) == NULL)
252b5132 3367 {
dc810e39 3368 bfd_size_type amt = sizeof (struct coff_section_tdata);
7920ce38
NC
3369
3370 current->used_by_bfd = bfd_zalloc (abfd, amt);
75cc7189 3371 if (current->used_by_bfd == NULL)
b34976b6 3372 return FALSE;
252b5132 3373 }
75cc7189
ILT
3374 if (pei_section_data (abfd, current) == NULL)
3375 {
dc810e39 3376 bfd_size_type amt = sizeof (struct pei_section_tdata);
7920ce38
NC
3377
3378 coff_section_data (abfd, current)->tdata = bfd_zalloc (abfd, amt);
75cc7189 3379 if (coff_section_data (abfd, current)->tdata == NULL)
b34976b6 3380 return FALSE;
75cc7189
ILT
3381 }
3382 if (pei_section_data (abfd, current)->virt_size == 0)
eea6121a 3383 pei_section_data (abfd, current)->virt_size = current->size;
252b5132
RH
3384#endif
3385
75cc7189 3386 /* Only deal with sections which have contents. */
252b5132
RH
3387 if (!(current->flags & SEC_HAS_CONTENTS))
3388 continue;
3389
21e68916
KT
3390 current->rawsize = current->size;
3391
75cc7189
ILT
3392#ifdef COFF_IMAGE_WITH_PE
3393 /* Make sure we skip empty sections in a PE image. */
eea6121a 3394 if (current->size == 0)
75cc7189
ILT
3395 continue;
3396#endif
3397
252b5132
RH
3398 /* Align the sections in the file to the same boundary on
3399 which they are aligned in virtual memory. I960 doesn't
3400 do this (FIXME) so we can stay in sync with Intel. 960
e60b52c6 3401 doesn't yet page from files... */
252b5132
RH
3402#ifdef ALIGN_SECTIONS_IN_FILE
3403 if ((abfd->flags & EXEC_P) != 0)
3404 {
ed781d5d
NC
3405 /* Make sure this section is aligned on the right boundary - by
3406 padding the previous section up if necessary. */
252b5132 3407 old_sofar = sofar;
7920ce38 3408
2eea2440
TG
3409 sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
3410
47ede03a 3411#ifdef RS6000COFF_C
2eea2440
TG
3412 /* Make sure the file offset and the vma of .text/.data are at the
3413 same page offset, so that the file can be mmap'ed without being
3414 relocated. Failing that, AIX is able to load and execute the
3415 program, but it will be silently relocated (possible as
3416 executables are PIE). But the relocation is slightly costly and
3417 complexify the use of addr2line or gdb. So better to avoid it,
3418 like does the native linker. Usually gnu ld makes sure that
3419 the vma of .text is the file offset so this issue shouldn't
3420 appear unless you are stripping such an executable.
3421
3422 AIX loader checks the text section alignment of (vma - filepos),
3423 and the native linker doesn't try to align the text sections.
3424 For example:
3425
3426 0 .text 000054cc 10000128 10000128 00000128 2**5
3427 CONTENTS, ALLOC, LOAD, CODE
3428 */
3429
b34976b6
AM
3430 if (!strcmp (current->name, _TEXT)
3431 || !strcmp (current->name, _DATA))
47ede03a 3432 {
2eea2440
TG
3433 bfd_vma align = 4096;
3434 bfd_vma sofar_off = sofar % align;
3435 bfd_vma vma_off = current->vma % align;
3436
3437 if (vma_off > sofar_off)
3438 sofar += vma_off - sofar_off;
3439 else if (vma_off < sofar_off)
3440 sofar += align + vma_off - sofar_off;
47ede03a
TR
3441 }
3442#endif
7920ce38 3443 if (previous != NULL)
eea6121a 3444 previous->size += sofar - old_sofar;
252b5132
RH
3445 }
3446
3447#endif
3448
3449 /* In demand paged files the low order bits of the file offset
3450 must match the low order bits of the virtual address. */
3451#ifdef COFF_PAGE_SIZE
3452 if ((abfd->flags & D_PAGED) != 0
3453 && (current->flags & SEC_ALLOC) != 0)
7bf6dede 3454 sofar += (current->vma - (bfd_vma) sofar) % page_size;
252b5132
RH
3455#endif
3456 current->filepos = sofar;
3457
3458#ifdef COFF_IMAGE_WITH_PE
75cc7189 3459 /* Set the padded size. */
21e68916 3460 current->size = (current->size + page_size - 1) & -page_size;
252b5132
RH
3461#endif
3462
eea6121a 3463 sofar += current->size;
252b5132
RH
3464
3465#ifdef ALIGN_SECTIONS_IN_FILE
ed781d5d 3466 /* Make sure that this section is of the right size too. */
252b5132
RH
3467 if ((abfd->flags & EXEC_P) == 0)
3468 {
3469 bfd_size_type old_size;
3470
eea6121a
AM
3471 old_size = current->size;
3472 current->size = BFD_ALIGN (current->size,
3473 1 << current->alignment_power);
3474 align_adjust = current->size != old_size;
3475 sofar += current->size - old_size;
252b5132
RH
3476 }
3477 else
3478 {
3479 old_sofar = sofar;
3480 sofar = BFD_ALIGN (sofar, 1 << current->alignment_power);
3481 align_adjust = sofar != old_sofar;
eea6121a 3482 current->size += sofar - old_sofar;
252b5132
RH
3483 }
3484#endif
3485
3486#ifdef COFF_IMAGE_WITH_PE
3487 /* For PE we need to make sure we pad out to the aligned
46f2f11d
AM
3488 size, in case the caller only writes out data to the
3489 unaligned size. */
eea6121a 3490 if (pei_section_data (abfd, current)->virt_size < current->size)
b34976b6 3491 align_adjust = TRUE;
252b5132
RH
3492#endif
3493
3494#ifdef _LIB
3495 /* Force .lib sections to start at zero. The vma is then
3496 incremented in coff_set_section_contents. This is right for
3497 SVR3.2. */
3498 if (strcmp (current->name, _LIB) == 0)
a253d456 3499 (void) bfd_set_section_vma (abfd, current, 0);
252b5132
RH
3500#endif
3501
c7e2358a 3502#ifdef ALIGN_SECTIONS_IN_FILE
252b5132 3503 previous = current;
c7e2358a 3504#endif
252b5132
RH
3505 }
3506
3507 /* It is now safe to write to the output file. If we needed an
3508 alignment adjustment for the last section, then make sure that
3509 there is a byte at offset sofar. If there are no symbols and no
3510 relocs, then nothing follows the last section. If we don't force
3511 the last byte out, then the file may appear to be truncated. */
3512 if (align_adjust)
3513 {
3514 bfd_byte b;
3515
3516 b = 0;
3517 if (bfd_seek (abfd, sofar - 1, SEEK_SET) != 0
dc810e39 3518 || bfd_bwrite (&b, (bfd_size_type) 1, abfd) != 1)
b34976b6 3519 return FALSE;
252b5132
RH
3520 }
3521
3522 /* Make sure the relocations are aligned. We don't need to make
3523 sure that this byte exists, because it will only matter if there
3524 really are relocs. */
3525 sofar = BFD_ALIGN (sofar, 1 << COFF_DEFAULT_SECTION_ALIGNMENT_POWER);
3526
3527 obj_relocbase (abfd) = sofar;
b34976b6 3528 abfd->output_has_begun = TRUE;
252b5132 3529
b34976b6 3530 return TRUE;
252b5132
RH
3531}
3532
05793179
NC
3533#ifdef COFF_IMAGE_WITH_PE
3534
3535static unsigned int pelength;
3536static unsigned int peheader;
3537
b34976b6 3538static bfd_boolean
7920ce38 3539coff_read_word (bfd *abfd, unsigned int *value)
05793179
NC
3540{
3541 unsigned char b[2];
3542 int status;
3543
3544 status = bfd_bread (b, (bfd_size_type) 2, abfd);
3545 if (status < 1)
3546 {
3547 *value = 0;
b34976b6 3548 return FALSE;
05793179
NC
3549 }
3550
3551 if (status == 1)
3552 *value = (unsigned int) b[0];
3553 else
3554 *value = (unsigned int) (b[0] + (b[1] << 8));
3555
3556 pelength += (unsigned int) status;
3557
b34976b6 3558 return TRUE;
05793179
NC
3559}
3560
3561static unsigned int
7920ce38 3562coff_compute_checksum (bfd *abfd)
05793179 3563{
b34976b6 3564 bfd_boolean more_data;
05793179
NC
3565 file_ptr filepos;
3566 unsigned int value;
3567 unsigned int total;
3568
3569 total = 0;
3570 pelength = 0;
3571 filepos = (file_ptr) 0;
3572
3573 do
3574 {
3575 if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
3576 return 0;
3577
3578 more_data = coff_read_word (abfd, &value);
3579 total += value;
3580 total = 0xffff & (total + (total >> 0x10));
3581 filepos += 2;
3582 }
3583 while (more_data);
3584
3585 return (0xffff & (total + (total >> 0x10)));
3586}
3587
b34976b6 3588static bfd_boolean
7920ce38 3589coff_apply_checksum (bfd *abfd)
05793179
NC
3590{
3591 unsigned int computed;
3592 unsigned int checksum = 0;
3593
3594 if (bfd_seek (abfd, 0x3c, SEEK_SET) != 0)
b34976b6 3595 return FALSE;
05793179
NC
3596
3597 if (!coff_read_word (abfd, &peheader))
b34976b6 3598 return FALSE;
05793179
NC
3599
3600 if (bfd_seek (abfd, peheader + 0x58, SEEK_SET) != 0)
b34976b6 3601 return FALSE;
05793179
NC
3602
3603 checksum = 0;
3604 bfd_bwrite (&checksum, (bfd_size_type) 4, abfd);
3605
3606 if (bfd_seek (abfd, peheader, SEEK_SET) != 0)
b34976b6 3607 return FALSE;
05793179
NC
3608
3609 computed = coff_compute_checksum (abfd);
3610
3611 checksum = computed + pelength;
3612
3613 if (bfd_seek (abfd, peheader + 0x58, SEEK_SET) != 0)
b34976b6 3614 return FALSE;
05793179
NC
3615
3616 bfd_bwrite (&checksum, (bfd_size_type) 4, abfd);
3617
b34976b6 3618 return TRUE;
05793179
NC
3619}
3620
3621#endif /* COFF_IMAGE_WITH_PE */
3622
b34976b6 3623static bfd_boolean
7920ce38 3624coff_write_object_contents (bfd * abfd)
252b5132
RH
3625{
3626 asection *current;
b34976b6
AM
3627 bfd_boolean hasrelocs = FALSE;
3628 bfd_boolean haslinno = FALSE;
3390ce30 3629#ifdef COFF_IMAGE_WITH_PE
b34976b6 3630 bfd_boolean hasdebug = FALSE;
3390ce30 3631#endif
252b5132
RH
3632 file_ptr scn_base;
3633 file_ptr reloc_base;
3634 file_ptr lineno_base;
3635 file_ptr sym_base;
3e4554a2 3636 unsigned long reloc_size = 0, reloc_count = 0;
252b5132 3637 unsigned long lnno_size = 0;
b34976b6 3638 bfd_boolean long_section_names;
252b5132
RH
3639 asection *text_sec = NULL;
3640 asection *data_sec = NULL;
3641 asection *bss_sec = NULL;
3642 struct internal_filehdr internal_f;
3643 struct internal_aouthdr internal_a;
3644#ifdef COFF_LONG_SECTION_NAMES
3645 size_t string_size = STRING_SIZE_SIZE;
3646#endif
3647
3648 bfd_set_error (bfd_error_system_call);
3649
3650 /* Make a pass through the symbol table to count line number entries and
ed781d5d 3651 put them into the correct asections. */
6b3b007b 3652 lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd);
252b5132 3653
82e51918 3654 if (! abfd->output_has_begun)
252b5132
RH
3655 {
3656 if (! coff_compute_section_file_positions (abfd))
b34976b6 3657 return FALSE;
252b5132
RH
3658 }
3659
3660 reloc_base = obj_relocbase (abfd);
3661
ed781d5d 3662 /* Work out the size of the reloc and linno areas. */
252b5132
RH
3663
3664 for (current = abfd->sections; current != NULL; current =
3665 current->next)
3e4554a2
DD
3666 {
3667#ifdef COFF_WITH_PE
ed781d5d 3668 /* We store the actual reloc count in the first reloc's addr. */
e9168c1e 3669 if (obj_pe (abfd) && current->reloc_count >= 0xffff)
3e4554a2
DD
3670 reloc_count ++;
3671#endif
3672 reloc_count += current->reloc_count;
3673 }
3674
3675 reloc_size = reloc_count * bfd_coff_relsz (abfd);
252b5132
RH
3676
3677 lineno_base = reloc_base + reloc_size;
3678 sym_base = lineno_base + lnno_size;
3679
ed781d5d 3680 /* Indicate in each section->line_filepos its actual file address. */
252b5132
RH
3681 for (current = abfd->sections; current != NULL; current =
3682 current->next)
3683 {
3684 if (current->lineno_count)
3685 {
3686 current->line_filepos = lineno_base;
3687 current->moving_line_filepos = lineno_base;
6b3b007b 3688 lineno_base += current->lineno_count * bfd_coff_linesz (abfd);
252b5132
RH
3689 }
3690 else
7920ce38
NC
3691 current->line_filepos = 0;
3692
252b5132
RH
3693 if (current->reloc_count)
3694 {
3695 current->rel_filepos = reloc_base;
6b3b007b 3696 reloc_base += current->reloc_count * bfd_coff_relsz (abfd);
3e4554a2 3697#ifdef COFF_WITH_PE
ed781d5d 3698 /* Extra reloc to hold real count. */
e9168c1e 3699 if (obj_pe (abfd) && current->reloc_count >= 0xffff)
3e4554a2
DD
3700 reloc_base += bfd_coff_relsz (abfd);
3701#endif
252b5132
RH
3702 }
3703 else
7920ce38 3704 current->rel_filepos = 0;
252b5132
RH
3705 }
3706
3707 /* Write section headers to the file. */
3708 internal_f.f_nscns = 0;
3709
3710 if ((abfd->flags & EXEC_P) != 0)
6b3b007b 3711 scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd);
252b5132
RH
3712 else
3713 {
6b3b007b 3714 scn_base = bfd_coff_filhsz (abfd);
252b5132 3715#ifdef RS6000COFF_C
dc810e39 3716#ifndef XCOFF64
252b5132 3717 if (xcoff_data (abfd)->full_aouthdr)
6b3b007b 3718 scn_base += bfd_coff_aoutsz (abfd);
252b5132
RH
3719 else
3720 scn_base += SMALL_AOUTSZ;
dc810e39 3721#endif
252b5132
RH
3722#endif
3723 }
3724
3725 if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
b34976b6 3726 return FALSE;
252b5132 3727
b34976b6 3728 long_section_names = FALSE;
252b5132
RH
3729 for (current = abfd->sections;
3730 current != NULL;
3731 current = current->next)
3732 {
3733 struct internal_scnhdr section;
3390ce30 3734#ifdef COFF_IMAGE_WITH_PE
b34976b6 3735 bfd_boolean is_reloc_section = FALSE;
252b5132 3736
bdeb4032 3737 if (strcmp (current->name, DOT_RELOC) == 0)
252b5132 3738 {
b34976b6
AM
3739 is_reloc_section = TRUE;
3740 hasrelocs = TRUE;
252b5132
RH
3741 pe_data (abfd)->has_reloc_section = 1;
3742 }
3743#endif
3744
252b5132
RH
3745 internal_f.f_nscns++;
3746
3747 strncpy (section.s_name, current->name, SCNNMLEN);
3748
3749#ifdef COFF_LONG_SECTION_NAMES
3750 /* Handle long section names as in PE. This must be compatible
46f2f11d 3751 with the code in coff_write_symbols and _bfd_coff_final_link. */
88183869
DK
3752 if (bfd_coff_long_section_names (abfd))
3753 {
3754 size_t len;
252b5132 3755
88183869
DK
3756 len = strlen (current->name);
3757 if (len > SCNNMLEN)
3758 {
6b1cecf3
DK
3759 /* The s_name field is defined to be NUL-padded but need not be
3760 NUL-terminated. We use a temporary buffer so that we can still
3761 sprintf all eight chars without splatting a terminating NUL
3762 over the first byte of the following member (s_paddr). */
1b7e3d2f
NC
3763 /* PR 21096: The +20 is to stop a bogus warning from gcc7 about
3764 a possible buffer overflow. */
3765 char s_name_buf[SCNNMLEN + 1 + 20];
6b1cecf3
DK
3766
3767 /* An inherent limitation of the /nnnnnnn notation used to indicate
3768 the offset of the long name in the string table is that we
3769 cannot address entries beyone the ten million byte boundary. */
3770 if (string_size >= 10000000)
3771 {
3772 bfd_set_error (bfd_error_file_too_big);
4eca0228 3773 _bfd_error_handler
695344c0 3774 /* xgettext:c-format */
dae82561
AM
3775 (_("%B: section %A: string table overflow at offset %ld"),
3776 abfd, current, string_size);
6b1cecf3
DK
3777 return FALSE;
3778 }
3779
1b7e3d2f
NC
3780 /* We do not need to use snprintf here as we have already verfied
3781 that string_size is not too big, plus we have an overlarge
3782 buffer, just in case. */
3783 sprintf (s_name_buf, "/%lu", (unsigned long) string_size);
6b1cecf3
DK
3784 /* Then strncpy takes care of any padding for us. */
3785 strncpy (section.s_name, s_name_buf, SCNNMLEN);
88183869
DK
3786 string_size += len + 1;
3787 long_section_names = TRUE;
3788 }
3789 }
252b5132
RH
3790#endif
3791
3792#ifdef _LIB
3793 /* Always set s_vaddr of .lib to 0. This is right for SVR3.2
3794 Ian Taylor <ian@cygnus.com>. */
3795 if (strcmp (current->name, _LIB) == 0)
3796 section.s_vaddr = 0;
3797 else
3798#endif
3799 section.s_vaddr = current->vma;
3800 section.s_paddr = current->lma;
eea6121a 3801 section.s_size = current->size;
b9af77f5 3802#ifdef coff_get_section_load_page
e60b52c6 3803 section.s_page = coff_get_section_load_page (current);
44f74642
NC
3804#else
3805 section.s_page = 0;
b9af77f5 3806#endif
252b5132
RH
3807
3808#ifdef COFF_WITH_PE
3809 section.s_paddr = 0;
3810#endif
3811#ifdef COFF_IMAGE_WITH_PE
3812 /* Reminder: s_paddr holds the virtual size of the section. */
3813 if (coff_section_data (abfd, current) != NULL
3814 && pei_section_data (abfd, current) != NULL)
3815 section.s_paddr = pei_section_data (abfd, current)->virt_size;
3816 else
3817 section.s_paddr = 0;
3818#endif
3819
ed781d5d
NC
3820 /* If this section has no size or is unloadable then the scnptr
3821 will be 0 too. */
eea6121a
AM
3822 if (current->size == 0
3823 || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
ed781d5d 3824 section.s_scnptr = 0;
252b5132 3825 else
ed781d5d
NC
3826 section.s_scnptr = current->filepos;
3827
252b5132
RH
3828 section.s_relptr = current->rel_filepos;
3829 section.s_lnnoptr = current->line_filepos;
3830 section.s_nreloc = current->reloc_count;
3831 section.s_nlnno = current->lineno_count;
79207490
ILT
3832#ifndef COFF_IMAGE_WITH_PE
3833 /* In PEI, relocs come in the .reloc section. */
252b5132 3834 if (current->reloc_count != 0)
b34976b6 3835 hasrelocs = TRUE;
79207490 3836#endif
252b5132 3837 if (current->lineno_count != 0)
b34976b6 3838 haslinno = TRUE;
3390ce30 3839#ifdef COFF_IMAGE_WITH_PE
4cfec37b
ILT
3840 if ((current->flags & SEC_DEBUGGING) != 0
3841 && ! is_reloc_section)
b34976b6 3842 hasdebug = TRUE;
3390ce30 3843#endif
252b5132 3844
60bcf0fa 3845#ifdef RS6000COFF_C
7f6d05e8 3846#ifndef XCOFF64
252b5132
RH
3847 /* Indicate the use of an XCOFF overflow section header. */
3848 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
3849 {
3850 section.s_nreloc = 0xffff;
3851 section.s_nlnno = 0xffff;
3852 }
7f6d05e8 3853#endif
252b5132
RH
3854#endif
3855
3856 section.s_flags = sec_to_styp_flags (current->name, current->flags);
3857
3858 if (!strcmp (current->name, _TEXT))
ed781d5d 3859 text_sec = current;
252b5132 3860 else if (!strcmp (current->name, _DATA))
ed781d5d 3861 data_sec = current;
252b5132 3862 else if (!strcmp (current->name, _BSS))
ed781d5d 3863 bss_sec = current;
252b5132
RH
3864
3865#ifdef I960
3866 section.s_align = (current->alignment_power
3867 ? 1 << current->alignment_power
3868 : 0);
81635ce4 3869#endif
e60b52c6 3870#ifdef TIC80COFF
ed781d5d 3871 /* TI COFF puts the alignment power in bits 8-11 of the flags. */
252b5132
RH
3872 section.s_flags |= (current->alignment_power & 0xF) << 8;
3873#endif
81635ce4
TW
3874#ifdef COFF_ENCODE_ALIGNMENT
3875 COFF_ENCODE_ALIGNMENT(section, current->alignment_power);
252b5132
RH
3876#endif
3877
3878#ifdef COFF_IMAGE_WITH_PE
00692651
ILT
3879 /* Suppress output of the sections if they are null. ld
3880 includes the bss and data sections even if there is no size
3881 assigned to them. NT loader doesn't like it if these section
3882 headers are included if the sections themselves are not
3883 needed. See also coff_compute_section_file_positions. */
252b5132
RH
3884 if (section.s_size == 0)
3885 internal_f.f_nscns--;
3886 else
3887#endif
3888 {
3889 SCNHDR buff;
dc810e39
AM
3890 bfd_size_type amt = bfd_coff_scnhsz (abfd);
3891
252b5132 3892 if (coff_swap_scnhdr_out (abfd, &section, &buff) == 0
7920ce38 3893 || bfd_bwrite (& buff, amt, abfd) != amt)
b34976b6 3894 return FALSE;
252b5132
RH
3895 }
3896
3897#ifdef COFF_WITH_PE
3898 /* PE stores COMDAT section information in the symbol table. If
46f2f11d
AM
3899 this section is supposed to have some COMDAT info, track down
3900 the symbol in the symbol table and modify it. */
252b5132
RH
3901 if ((current->flags & SEC_LINK_ONCE) != 0)
3902 {
3903 unsigned int i, count;
3904 asymbol **psym;
3905 coff_symbol_type *csym = NULL;
3906 asymbol **psymsec;
3907
3908 psymsec = NULL;
3909 count = bfd_get_symcount (abfd);
3910 for (i = 0, psym = abfd->outsymbols; i < count; i++, psym++)
3911 {
3912 if ((*psym)->section != current)
3913 continue;
3914
3915 /* Remember the location of the first symbol in this
46f2f11d 3916 section. */
252b5132
RH
3917 if (psymsec == NULL)
3918 psymsec = psym;
3919
3920 /* See if this is the section symbol. */
3921 if (strcmp ((*psym)->name, current->name) == 0)
3922 {
f4943d82 3923 csym = coff_symbol_from (*psym);
252b5132
RH
3924 if (csym == NULL
3925 || csym->native == NULL
a5c71af8 3926 || ! csym->native->is_sym
252b5132
RH
3927 || csym->native->u.syment.n_numaux < 1
3928 || csym->native->u.syment.n_sclass != C_STAT
3929 || csym->native->u.syment.n_type != T_NULL)
3930 continue;
3931
3932 /* Here *PSYM is the section symbol for CURRENT. */
3933
3934 break;
3935 }
3936 }
3937
3938 /* Did we find it?
3939 Note that we might not if we're converting the file from
3940 some other object file format. */
3941 if (i < count)
3942 {
3943 combined_entry_type *aux;
3944
3945 /* We don't touch the x_checksum field. The
3946 x_associated field is not currently supported. */
3947
3948 aux = csym->native + 1;
a5c71af8 3949 BFD_ASSERT (! aux->is_sym);
252b5132
RH
3950 switch (current->flags & SEC_LINK_DUPLICATES)
3951 {
3952 case SEC_LINK_DUPLICATES_DISCARD:
3953 aux->u.auxent.x_scn.x_comdat = IMAGE_COMDAT_SELECT_ANY;
3954 break;
3955
3956 case SEC_LINK_DUPLICATES_ONE_ONLY:
3957 aux->u.auxent.x_scn.x_comdat =
3958 IMAGE_COMDAT_SELECT_NODUPLICATES;
3959 break;
3960
3961 case SEC_LINK_DUPLICATES_SAME_SIZE:
3962 aux->u.auxent.x_scn.x_comdat =
3963 IMAGE_COMDAT_SELECT_SAME_SIZE;
3964 break;
3965
3966 case SEC_LINK_DUPLICATES_SAME_CONTENTS:
3967 aux->u.auxent.x_scn.x_comdat =
3968 IMAGE_COMDAT_SELECT_EXACT_MATCH;
3969 break;
3970 }
3971
3972 /* The COMDAT symbol must be the first symbol from this
46f2f11d
AM
3973 section in the symbol table. In order to make this
3974 work, we move the COMDAT symbol before the first
3975 symbol we found in the search above. It's OK to
3976 rearrange the symbol table at this point, because
3977 coff_renumber_symbols is going to rearrange it
3978 further and fix up all the aux entries. */
252b5132
RH
3979 if (psym != psymsec)
3980 {
3981 asymbol *hold;
3982 asymbol **pcopy;
3983
3984 hold = *psym;
3985 for (pcopy = psym; pcopy > psymsec; pcopy--)
3986 pcopy[0] = pcopy[-1];
3987 *psymsec = hold;
3988 }
3989 }
3990 }
3991#endif /* COFF_WITH_PE */
3992 }
3993
3994#ifdef RS6000COFF_C
dc810e39 3995#ifndef XCOFF64
252b5132
RH
3996 /* XCOFF handles overflows in the reloc and line number count fields
3997 by creating a new section header to hold the correct values. */
3998 for (current = abfd->sections; current != NULL; current = current->next)
3999 {
4000 if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff)
4001 {
4002 struct internal_scnhdr scnhdr;
4003 SCNHDR buff;
dc810e39 4004 bfd_size_type amt;
252b5132
RH
4005
4006 internal_f.f_nscns++;
2d63fb6c 4007 memcpy (scnhdr.s_name, ".ovrflo", 8);
252b5132
RH
4008 scnhdr.s_paddr = current->reloc_count;
4009 scnhdr.s_vaddr = current->lineno_count;
4010 scnhdr.s_size = 0;
4011 scnhdr.s_scnptr = 0;
4012 scnhdr.s_relptr = current->rel_filepos;
4013 scnhdr.s_lnnoptr = current->line_filepos;
4014 scnhdr.s_nreloc = current->target_index;
4015 scnhdr.s_nlnno = current->target_index;
4016 scnhdr.s_flags = STYP_OVRFLO;
dc810e39 4017 amt = bfd_coff_scnhsz (abfd);
252b5132 4018 if (coff_swap_scnhdr_out (abfd, &scnhdr, &buff) == 0
7920ce38 4019 || bfd_bwrite (& buff, amt, abfd) != amt)
b34976b6 4020 return FALSE;
252b5132
RH
4021 }
4022 }
beb1bf64 4023#endif
252b5132
RH
4024#endif
4025
e60b52c6 4026 /* OK, now set up the filehdr... */
252b5132
RH
4027
4028 /* Don't include the internal abs section in the section count */
4029
ed781d5d 4030 /* We will NOT put a fucking timestamp in the header here. Every time you
252b5132
RH
4031 put it back, I will come in and take it out again. I'm sorry. This
4032 field does not belong here. We fill it with a 0 so it compares the
ed781d5d 4033 same but is not a reasonable time. -- gnu@cygnus.com */
252b5132 4034 internal_f.f_timdat = 0;
252b5132
RH
4035 internal_f.f_flags = 0;
4036
4037 if (abfd->flags & EXEC_P)
6b3b007b 4038 internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
252b5132
RH
4039 else
4040 {
4041 internal_f.f_opthdr = 0;
4042#ifdef RS6000COFF_C
dc810e39 4043#ifndef XCOFF64
252b5132 4044 if (xcoff_data (abfd)->full_aouthdr)
6b3b007b 4045 internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
252b5132
RH
4046 else
4047 internal_f.f_opthdr = SMALL_AOUTSZ;
dc810e39 4048#endif
252b5132
RH
4049#endif
4050 }
4051
4052 if (!hasrelocs)
4053 internal_f.f_flags |= F_RELFLG;
4054 if (!haslinno)
4055 internal_f.f_flags |= F_LNNO;
4056 if (abfd->flags & EXEC_P)
4057 internal_f.f_flags |= F_EXEC;
4cfec37b
ILT
4058#ifdef COFF_IMAGE_WITH_PE
4059 if (! hasdebug)
4060 internal_f.f_flags |= IMAGE_FILE_DEBUG_STRIPPED;
d70270c5
BF
4061 if (pe_data (abfd)->real_flags & IMAGE_FILE_LARGE_ADDRESS_AWARE)
4062 internal_f.f_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
4cfec37b 4063#endif
252b5132 4064
99ad8390 4065#ifndef COFF_WITH_pex64
bcb9b88d
NC
4066#ifdef COFF_WITH_PE
4067 internal_f.f_flags |= IMAGE_FILE_32BIT_MACHINE;
4068#else
252b5132
RH
4069 if (bfd_little_endian (abfd))
4070 internal_f.f_flags |= F_AR32WR;
4071 else
4072 internal_f.f_flags |= F_AR32W;
8a1ad8e7 4073#endif
99ad8390 4074#endif
252b5132 4075
81635ce4 4076#ifdef TI_TARGET_ID
ed781d5d
NC
4077 /* Target id is used in TI COFF v1 and later; COFF0 won't use this field,
4078 but it doesn't hurt to set it internally. */
81635ce4
TW
4079 internal_f.f_target_id = TI_TARGET_ID;
4080#endif
252b5132
RH
4081#ifdef TIC80_TARGET_ID
4082 internal_f.f_target_id = TIC80_TARGET_ID;
4083#endif
4084
ed781d5d
NC
4085 /* FIXME, should do something about the other byte orders and
4086 architectures. */
252b5132
RH
4087
4088#ifdef RS6000COFF_C
4089 if ((abfd->flags & DYNAMIC) != 0)
4090 internal_f.f_flags |= F_SHROBJ;
4091 if (bfd_get_section_by_name (abfd, _LOADER) != NULL)
4092 internal_f.f_flags |= F_DYNLOAD;
4093#endif
4094
e2b4fc91
TS
4095 memset (&internal_a, 0, sizeof internal_a);
4096
ed781d5d 4097 /* Set up architecture-dependent stuff. */
252b5132
RH
4098 {
4099 unsigned int magic = 0;
4100 unsigned short flags = 0;
ed781d5d 4101
252b5132
RH
4102 coff_set_flags (abfd, &magic, &flags);
4103 internal_f.f_magic = magic;
4104 internal_f.f_flags |= flags;
e60b52c6 4105 /* ...and the "opt"hdr... */
252b5132 4106
81635ce4
TW
4107#ifdef TICOFF_AOUT_MAGIC
4108 internal_a.magic = TICOFF_AOUT_MAGIC;
4109#define __A_MAGIC_SET__
4110#endif
252b5132
RH
4111#ifdef TIC80COFF
4112 internal_a.magic = TIC80_ARCH_MAGIC;
4113#define __A_MAGIC_SET__
4114#endif /* TIC80 */
4115#ifdef I860
4116 /* FIXME: What are the a.out magic numbers for the i860? */
4117 internal_a.magic = 0;
4118#define __A_MAGIC_SET__
4119#endif /* I860 */
4120#ifdef I960
4121 internal_a.magic = (magic == I960ROMAGIC ? NMAGIC : OMAGIC);
4122#define __A_MAGIC_SET__
4123#endif /* I960 */
4124#if M88
4125#define __A_MAGIC_SET__
4126 internal_a.magic = PAGEMAGICBCS;
4127#endif /* M88 */
4128
4129#if APOLLO_M68
4130#define __A_MAGIC_SET__
4131 internal_a.magic = APOLLO_COFF_VERSION_NUMBER;
4132#endif
4133
4134#if defined(M68) || defined(WE32K) || defined(M68K)
4135#define __A_MAGIC_SET__
4136#if defined(LYNXOS)
4137 internal_a.magic = LYNXCOFFMAGIC;
4138#else
4139#if defined(TARG_AUX)
4140 internal_a.magic = (abfd->flags & D_PAGED ? PAGEMAGICPEXECPAGED :
4141 abfd->flags & WP_TEXT ? PAGEMAGICPEXECSWAPPED :
4142 PAGEMAGICEXECSWAPPED);
4143#else
4144#if defined (PAGEMAGICPEXECPAGED)
4145 internal_a.magic = PAGEMAGICPEXECPAGED;
4146#endif
4147#endif /* TARG_AUX */
4148#endif /* LYNXOS */
4149#endif /* M68 || WE32K || M68K */
4150
4151#if defined(ARM)
4152#define __A_MAGIC_SET__
4153 internal_a.magic = ZMAGIC;
e60b52c6 4154#endif
252b5132
RH
4155
4156#if defined(PPC_PE)
4157#define __A_MAGIC_SET__
4158 internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
4159#endif
4160
4161#if defined MCORE_PE
4162#define __A_MAGIC_SET__
4163 internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
e60b52c6 4164#endif
252b5132
RH
4165
4166#if defined(I386)
4167#define __A_MAGIC_SET__
99ad8390 4168#if defined LYNXOS
252b5132 4169 internal_a.magic = LYNXCOFFMAGIC;
99ad8390
NC
4170#elif defined AMD64
4171 internal_a.magic = IMAGE_NT_OPTIONAL_HDR64_MAGIC;
4172#else
252b5132 4173 internal_a.magic = ZMAGIC;
99ad8390 4174#endif
252b5132
RH
4175#endif /* I386 */
4176
fac41780
JW
4177#if defined(IA64)
4178#define __A_MAGIC_SET__
7a2ec0a6 4179 internal_a.magic = PE32PMAGIC;
fac41780
JW
4180#endif /* IA64 */
4181
252b5132
RH
4182#if defined(SPARC)
4183#define __A_MAGIC_SET__
4184#if defined(LYNXOS)
4185 internal_a.magic = LYNXCOFFMAGIC;
4186#endif /* LYNXOS */
4187#endif /* SPARC */
4188
4189#ifdef RS6000COFF_C
4190#define __A_MAGIC_SET__
4191 internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC :
4192 (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC :
4193 RS6K_AOUTHDR_OMAGIC;
4194#endif
4195
17505c5c
NC
4196#if defined(SH) && defined(COFF_WITH_PE)
4197#define __A_MAGIC_SET__
4198 internal_a.magic = SH_PE_MAGIC;
4199#endif
4200
4201#if defined(MIPS) && defined(COFF_WITH_PE)
4202#define __A_MAGIC_SET__
4203 internal_a.magic = MIPS_PE_MAGIC;
4204#endif
4205
252b5132
RH
4206#ifndef __A_MAGIC_SET__
4207#include "Your aouthdr magic number is not being set!"
4208#else
4209#undef __A_MAGIC_SET__
4210#endif
4211 }
4212
4213 /* FIXME: Does anybody ever set this to another value? */
4214 internal_a.vstamp = 0;
4215
ed781d5d 4216 /* Now should write relocs, strings, syms. */
252b5132
RH
4217 obj_sym_filepos (abfd) = sym_base;
4218
4219 if (bfd_get_symcount (abfd) != 0)
4220 {
4221 int firstundef;
0e71e495 4222
252b5132 4223 if (!coff_renumber_symbols (abfd, &firstundef))
b34976b6 4224 return FALSE;
252b5132
RH
4225 coff_mangle_symbols (abfd);
4226 if (! coff_write_symbols (abfd))
b34976b6 4227 return FALSE;
252b5132 4228 if (! coff_write_linenumbers (abfd))
b34976b6 4229 return FALSE;
252b5132 4230 if (! coff_write_relocs (abfd, firstundef))
b34976b6 4231 return FALSE;
252b5132
RH
4232 }
4233#ifdef COFF_LONG_SECTION_NAMES
d71f672e 4234 else if (long_section_names && ! obj_coff_strings_written (abfd))
252b5132
RH
4235 {
4236 /* If we have long section names we have to write out the string
46f2f11d 4237 table even if there are no symbols. */
252b5132 4238 if (! coff_write_symbols (abfd))
b34976b6 4239 return FALSE;
252b5132
RH
4240 }
4241#endif
4242#ifdef COFF_IMAGE_WITH_PE
4243#ifdef PPC_PE
4244 else if ((abfd->flags & EXEC_P) != 0)
4245 {
4246 bfd_byte b;
4247
4248 /* PowerPC PE appears to require that all executable files be
46f2f11d 4249 rounded up to the page size. */
252b5132
RH
4250 b = 0;
4251 if (bfd_seek (abfd,
dc810e39 4252 (file_ptr) BFD_ALIGN (sym_base, COFF_PAGE_SIZE) - 1,
252b5132 4253 SEEK_SET) != 0
dc810e39 4254 || bfd_bwrite (&b, (bfd_size_type) 1, abfd) != 1)
b34976b6 4255 return FALSE;
252b5132
RH
4256 }
4257#endif
4258#endif
4259
4260 /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF
4261 backend linker, and obj_raw_syment_count is not valid until after
4262 coff_write_symbols is called. */
4263 if (obj_raw_syment_count (abfd) != 0)
4264 {
4265 internal_f.f_symptr = sym_base;
4266#ifdef RS6000COFF_C
4267 /* AIX appears to require that F_RELFLG not be set if there are
46f2f11d 4268 local symbols but no relocations. */
252b5132
RH
4269 internal_f.f_flags &=~ F_RELFLG;
4270#endif
4271 }
4272 else
4273 {
4274 if (long_section_names)
4275 internal_f.f_symptr = sym_base;
4276 else
4277 internal_f.f_symptr = 0;
4278 internal_f.f_flags |= F_LSYMS;
4279 }
4280
4281 if (text_sec)
4282 {
eea6121a 4283 internal_a.tsize = text_sec->size;
252b5132
RH
4284 internal_a.text_start = internal_a.tsize ? text_sec->vma : 0;
4285 }
4286 if (data_sec)
4287 {
eea6121a 4288 internal_a.dsize = data_sec->size;
252b5132
RH
4289 internal_a.data_start = internal_a.dsize ? data_sec->vma : 0;
4290 }
4291 if (bss_sec)
4292 {
eea6121a 4293 internal_a.bsize = bss_sec->size;
252b5132
RH
4294 if (internal_a.bsize && bss_sec->vma < internal_a.data_start)
4295 internal_a.data_start = bss_sec->vma;
4296 }
4297
4298 internal_a.entry = bfd_get_start_address (abfd);
4299 internal_f.f_nsyms = obj_raw_syment_count (abfd);
4300
4301#ifdef RS6000COFF_C
4302 if (xcoff_data (abfd)->full_aouthdr)
4303 {
4304 bfd_vma toc;
4305 asection *loader_sec;
4306
4307 internal_a.vstamp = 1;
4308
4309 internal_a.o_snentry = xcoff_data (abfd)->snentry;
4310 if (internal_a.o_snentry == 0)
4311 internal_a.entry = (bfd_vma) -1;
4312
4313 if (text_sec != NULL)
4314 {
4315 internal_a.o_sntext = text_sec->target_index;
4316 internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec);
4317 }
4318 else
4319 {
4320 internal_a.o_sntext = 0;
4321 internal_a.o_algntext = 0;
4322 }
4323 if (data_sec != NULL)
4324 {
4325 internal_a.o_sndata = data_sec->target_index;
4326 internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec);
4327 }
4328 else
4329 {
4330 internal_a.o_sndata = 0;
4331 internal_a.o_algndata = 0;
4332 }
4333 loader_sec = bfd_get_section_by_name (abfd, ".loader");
4334 if (loader_sec != NULL)
4335 internal_a.o_snloader = loader_sec->target_index;
4336 else
4337 internal_a.o_snloader = 0;
4338 if (bss_sec != NULL)
4339 internal_a.o_snbss = bss_sec->target_index;
4340 else
4341 internal_a.o_snbss = 0;
4342
4343 toc = xcoff_data (abfd)->toc;
4344 internal_a.o_toc = toc;
4345 internal_a.o_sntoc = xcoff_data (abfd)->sntoc;
4346
4347 internal_a.o_modtype = xcoff_data (abfd)->modtype;
4348 if (xcoff_data (abfd)->cputype != -1)
4349 internal_a.o_cputype = xcoff_data (abfd)->cputype;
4350 else
4351 {
4352 switch (bfd_get_arch (abfd))
4353 {
4354 case bfd_arch_rs6000:
4355 internal_a.o_cputype = 4;
4356 break;
4357 case bfd_arch_powerpc:
250d94fd 4358 if (bfd_get_mach (abfd) == bfd_mach_ppc)
252b5132
RH
4359 internal_a.o_cputype = 3;
4360 else
4361 internal_a.o_cputype = 1;
4362 break;
4363 default:
4364 abort ();
4365 }
4366 }
4367 internal_a.o_maxstack = xcoff_data (abfd)->maxstack;
4368 internal_a.o_maxdata = xcoff_data (abfd)->maxdata;
4369 }
4370#endif
4371
61e2488c
JT
4372#ifdef COFF_WITH_PE
4373 {
4374 /* After object contents are finalized so we can compute a reasonable hash,
4375 but before header is written so we can update it to point to debug directory. */
4376 struct pe_tdata *pe = pe_data (abfd);
4377
4378 if (pe->build_id.after_write_object_contents != NULL)
4379 (*pe->build_id.after_write_object_contents) (abfd);
4380 }
4381#endif
4382
4383 /* Now write header. */
252b5132 4384 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
b34976b6 4385 return FALSE;
e60b52c6 4386
252b5132 4387 {
b5f303f0 4388 char * buff;
dc810e39 4389 bfd_size_type amount = bfd_coff_filhsz (abfd);
e60b52c6 4390
a50b1753 4391 buff = (char *) bfd_malloc (amount);
e60b52c6 4392 if (buff == NULL)
b34976b6 4393 return FALSE;
e60b52c6 4394
7920ce38
NC
4395 bfd_coff_swap_filehdr_out (abfd, & internal_f, buff);
4396 amount = bfd_bwrite (buff, amount, abfd);
e60b52c6 4397
2fca4467 4398 free (buff);
e60b52c6 4399
b5f303f0 4400 if (amount != bfd_coff_filhsz (abfd))
b34976b6 4401 return FALSE;
252b5132 4402 }
e60b52c6 4403
252b5132
RH
4404 if (abfd->flags & EXEC_P)
4405 {
e60b52c6 4406 /* Note that peicode.h fills in a PEAOUTHDR, not an AOUTHDR.
ed781d5d 4407 include/coff/pe.h sets AOUTSZ == sizeof (PEAOUTHDR)). */
b5f303f0 4408 char * buff;
dc810e39 4409 bfd_size_type amount = bfd_coff_aoutsz (abfd);
b5f303f0 4410
a50b1753 4411 buff = (char *) bfd_malloc (amount);
e60b52c6 4412 if (buff == NULL)
b34976b6 4413 return FALSE;
e60b52c6 4414
7920ce38
NC
4415 coff_swap_aouthdr_out (abfd, & internal_a, buff);
4416 amount = bfd_bwrite (buff, amount, abfd);
e60b52c6 4417
2fca4467 4418 free (buff);
e60b52c6 4419
b5f303f0 4420 if (amount != bfd_coff_aoutsz (abfd))
b34976b6 4421 return FALSE;
05793179
NC
4422
4423#ifdef COFF_IMAGE_WITH_PE
4424 if (! coff_apply_checksum (abfd))
b34976b6 4425 return FALSE;
05793179 4426#endif
252b5132
RH
4427 }
4428#ifdef RS6000COFF_C
4429 else
4430 {
4431 AOUTHDR buff;
4432 size_t size;
4433
4434 /* XCOFF seems to always write at least a small a.out header. */
7920ce38 4435 coff_swap_aouthdr_out (abfd, & internal_a, & buff);
252b5132 4436 if (xcoff_data (abfd)->full_aouthdr)
6b3b007b 4437 size = bfd_coff_aoutsz (abfd);
252b5132
RH
4438 else
4439 size = SMALL_AOUTSZ;
7920ce38 4440 if (bfd_bwrite (& buff, (bfd_size_type) size, abfd) != size)
b34976b6 4441 return FALSE;
252b5132
RH
4442 }
4443#endif
4444
b34976b6 4445 return TRUE;
252b5132
RH
4446}
4447
b34976b6 4448static bfd_boolean
7920ce38
NC
4449coff_set_section_contents (bfd * abfd,
4450 sec_ptr section,
4451 const void * location,
4452 file_ptr offset,
4453 bfd_size_type count)
252b5132 4454{
ed781d5d 4455 if (! abfd->output_has_begun) /* Set by bfd.c handler. */
252b5132
RH
4456 {
4457 if (! coff_compute_section_file_positions (abfd))
b34976b6 4458 return FALSE;
252b5132
RH
4459 }
4460
4461#if defined(_LIB) && !defined(TARG_AUX)
252b5132
RH
4462 /* The physical address field of a .lib section is used to hold the
4463 number of shared libraries in the section. This code counts the
4464 number of sections being written, and increments the lma field
4465 with the number.
4466
4467 I have found no documentation on the contents of this section.
4468 Experimentation indicates that the section contains zero or more
4469 records, each of which has the following structure:
4470
4471 - a (four byte) word holding the length of this record, in words,
4472 - a word that always seems to be set to "2",
4473 - the path to a shared library, null-terminated and then padded
4474 to a whole word boundary.
4475
4476 bfd_assert calls have been added to alert if an attempt is made
4477 to write a section which doesn't follow these assumptions. The
4478 code has been tested on ISC 4.1 by me, and on SCO by Robert Lipe
4479 <robertl@arnet.com> (Thanks!).
e60b52c6 4480
ed781d5d 4481 Gvran Uddeborg <gvran@uddeborg.pp.se>. */
252b5132
RH
4482 if (strcmp (section->name, _LIB) == 0)
4483 {
4484 bfd_byte *rec, *recend;
4485
4486 rec = (bfd_byte *) location;
4487 recend = rec + count;
4488 while (rec < recend)
4489 {
4490 ++section->lma;
4491 rec += bfd_get_32 (abfd, rec) * 4;
4492 }
4493
4494 BFD_ASSERT (rec == recend);
4495 }
252b5132
RH
4496#endif
4497
4498 /* Don't write out bss sections - one way to do this is to
e60b52c6 4499 see if the filepos has not been set. */
252b5132 4500 if (section->filepos == 0)
b34976b6 4501 return TRUE;
252b5132 4502
dc810e39 4503 if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
b34976b6 4504 return FALSE;
252b5132 4505
dc810e39 4506 if (count == 0)
b34976b6 4507 return TRUE;
dc810e39
AM
4508
4509 return bfd_bwrite (location, count, abfd) == count;
252b5132 4510}
252b5132 4511
7920ce38
NC
4512static void *
4513buy_and_read (bfd *abfd, file_ptr where, bfd_size_type size)
252b5132 4514{
7920ce38
NC
4515 void * area = bfd_alloc (abfd, size);
4516
252b5132 4517 if (!area)
201159ec 4518 return NULL;
dc810e39
AM
4519 if (bfd_seek (abfd, where, SEEK_SET) != 0
4520 || bfd_bread (area, size, abfd) != size)
201159ec
NC
4521 return NULL;
4522 return area;
7920ce38 4523}
252b5132
RH
4524
4525/*
4526SUBSUBSECTION
4527 Reading linenumbers
4528
4529 Creating the linenumber table is done by reading in the entire
4530 coff linenumber table, and creating another table for internal use.
4531
4532 A coff linenumber table is structured so that each function
4533 is marked as having a line number of 0. Each line within the
4534 function is an offset from the first line in the function. The
4535 base of the line number information for the table is stored in
4536 the symbol associated with the function.
4537
00692651
ILT
4538 Note: The PE format uses line number 0 for a flag indicating a
4539 new source file.
4540
252b5132
RH
4541 The information is copied from the external to the internal
4542 table, and each symbol which marks a function is marked by
4543 pointing its...
4544
4545 How does this work ?
252b5132
RH
4546*/
4547
e708816d
NC
4548static int
4549coff_sort_func_alent (const void * arg1, const void * arg2)
4550{
4551 const alent *al1 = *(const alent **) arg1;
4552 const alent *al2 = *(const alent **) arg2;
4553 const coff_symbol_type *s1 = (const coff_symbol_type *) (al1->u.sym);
4554 const coff_symbol_type *s2 = (const coff_symbol_type *) (al2->u.sym);
4555
20ad5e28
NC
4556 if (s1 == NULL || s2 == NULL)
4557 return 0;
e708816d
NC
4558 if (s1->symbol.value < s2->symbol.value)
4559 return -1;
4560 else if (s1->symbol.value > s2->symbol.value)
4561 return 1;
4562
4563 return 0;
4564}
4565
b34976b6 4566static bfd_boolean
7920ce38 4567coff_slurp_line_table (bfd *abfd, asection *asect)
252b5132
RH
4568{
4569 LINENO *native_lineno;
4570 alent *lineno_cache;
dc810e39 4571 bfd_size_type amt;
e708816d
NC
4572 unsigned int counter;
4573 alent *cache_ptr;
4574 bfd_vma prev_offset = 0;
f41e4712 4575 bfd_boolean ordered = TRUE;
e708816d
NC
4576 unsigned int nbr_func;
4577 LINENO *src;
6bb3e679 4578 bfd_boolean have_func;
86eafac0 4579 bfd_boolean ret = TRUE;
252b5132 4580
7920ce38 4581 BFD_ASSERT (asect->lineno == NULL);
252b5132 4582
46f2f11d 4583 amt = ((bfd_size_type) asect->lineno_count + 1) * sizeof (alent);
fcfa6240 4584 lineno_cache = (alent *) bfd_alloc (abfd, amt);
46f2f11d
AM
4585 if (lineno_cache == NULL)
4586 return FALSE;
4587
dc810e39
AM
4588 amt = (bfd_size_type) bfd_coff_linesz (abfd) * asect->lineno_count;
4589 native_lineno = (LINENO *) buy_and_read (abfd, asect->line_filepos, amt);
14abcef9
NC
4590 if (native_lineno == NULL)
4591 {
4eca0228 4592 _bfd_error_handler
46f2f11d
AM
4593 (_("%B: warning: line number table read failed"), abfd);
4594 bfd_release (abfd, lineno_cache);
14abcef9
NC
4595 return FALSE;
4596 }
e708816d 4597
e708816d 4598 cache_ptr = lineno_cache;
46f2f11d 4599 asect->lineno = lineno_cache;
e708816d
NC
4600 src = native_lineno;
4601 nbr_func = 0;
6bb3e679 4602 have_func = FALSE;
e708816d 4603
fcfa6240 4604 for (counter = 0; counter < asect->lineno_count; counter++, src++)
252b5132 4605 {
e708816d 4606 struct internal_lineno dst;
252b5132 4607
e708816d
NC
4608 bfd_coff_swap_lineno_in (abfd, src, &dst);
4609 cache_ptr->line_number = dst.l_lnno;
fcfa6240
AM
4610 /* Appease memory checkers that get all excited about
4611 uninitialised memory when copying alents if u.offset is
4612 larger than u.sym. (64-bit BFD on 32-bit host.) */
4613 memset (&cache_ptr->u, 0, sizeof (cache_ptr->u));
e708816d
NC
4614
4615 if (cache_ptr->line_number == 0)
252b5132 4616 {
a5c71af8 4617 combined_entry_type * ent;
fcfa6240 4618 bfd_vma symndx;
e708816d
NC
4619 coff_symbol_type *sym;
4620
6bb3e679 4621 have_func = FALSE;
e708816d 4622 symndx = dst.l_addr.l_symndx;
fcfa6240 4623 if (symndx >= obj_raw_syment_count (abfd))
e708816d 4624 {
4eca0228 4625 _bfd_error_handler
695344c0 4626 /* xgettext:c-format */
5a3f568b
NC
4627 (_("%B: warning: illegal symbol index 0x%lx in line number entry %d"),
4628 abfd, (long) symndx, counter);
f41e4712 4629 cache_ptr->line_number = -1;
86eafac0 4630 ret = FALSE;
5a3f568b 4631 continue;
e708816d 4632 }
ed781d5d 4633
a5c71af8 4634 ent = obj_raw_syments (abfd) + symndx;
e708816d
NC
4635 /* FIXME: We should not be casting between ints and
4636 pointers like this. */
a5c71af8
NC
4637 if (! ent->is_sym)
4638 {
4eca0228 4639 _bfd_error_handler
695344c0 4640 /* xgettext:c-format */
a5c71af8
NC
4641 (_("%B: warning: illegal symbol index 0x%lx in line number entry %d"),
4642 abfd, (long) symndx, counter);
4643 cache_ptr->line_number = -1;
86eafac0 4644 ret = FALSE;
a5c71af8
NC
4645 continue;
4646 }
4647 sym = (coff_symbol_type *) (ent->u.syment._n._n_n._n_zeroes);
a6f921c8
NC
4648
4649 /* PR 17512 file: 078-10659-0.004 */
4650 if (sym < obj_symbols (abfd)
f41e4712 4651 || sym >= obj_symbols (abfd) + bfd_get_symcount (abfd))
fcfa6240 4652 {
4eca0228 4653 _bfd_error_handler
695344c0 4654 /* xgettext:c-format */
fcfa6240
AM
4655 (_("%B: warning: illegal symbol in line number entry %d"),
4656 abfd, counter);
f41e4712 4657 cache_ptr->line_number = -1;
86eafac0 4658 ret = FALSE;
20ad5e28 4659 continue;
fcfa6240 4660 }
20ad5e28 4661
6bb3e679 4662 have_func = TRUE;
fcfa6240
AM
4663 nbr_func++;
4664 cache_ptr->u.sym = (asymbol *) sym;
5a3f568b 4665 if (sym->lineno != NULL)
4eca0228 4666 _bfd_error_handler
695344c0 4667 /* xgettext:c-format */
e708816d
NC
4668 (_("%B: warning: duplicate line number information for `%s'"),
4669 abfd, bfd_asymbol_name (&sym->symbol));
4670
4671 sym->lineno = cache_ptr;
4672 if (sym->symbol.value < prev_offset)
f41e4712 4673 ordered = FALSE;
e708816d
NC
4674 prev_offset = sym->symbol.value;
4675 }
6bb3e679
AM
4676 else if (!have_func)
4677 /* Drop line information that has no associated function.
4678 PR 17521: file: 078-10659-0.004. */
4679 continue;
e708816d 4680 else
fcfa6240
AM
4681 cache_ptr->u.offset = (dst.l_addr.l_paddr
4682 - bfd_section_vma (abfd, asect));
e708816d 4683 cache_ptr++;
e708816d 4684 }
a6f921c8 4685
fcfa6240
AM
4686 asect->lineno_count = cache_ptr - lineno_cache;
4687 memset (cache_ptr, 0, sizeof (*cache_ptr));
46f2f11d 4688 bfd_release (abfd, native_lineno);
e708816d
NC
4689
4690 /* On some systems (eg AIX5.3) the lineno table may not be sorted. */
4691 if (!ordered)
4692 {
4693 /* Sort the table. */
4694 alent **func_table;
4695 alent *n_lineno_cache;
4696
4697 /* Create a table of functions. */
a50b1753 4698 func_table = (alent **) bfd_alloc (abfd, nbr_func * sizeof (alent *));
e708816d
NC
4699 if (func_table != NULL)
4700 {
4701 alent **p = func_table;
4702 unsigned int i;
4703
0ac23374 4704 for (i = 0; i < asect->lineno_count; i++)
e708816d
NC
4705 if (lineno_cache[i].line_number == 0)
4706 *p++ = &lineno_cache[i];
252b5132 4707
57494d81 4708 BFD_ASSERT ((unsigned int) (p - func_table) == nbr_func);
1b786873 4709
e708816d
NC
4710 /* Sort by functions. */
4711 qsort (func_table, nbr_func, sizeof (alent *), coff_sort_func_alent);
4712
4713 /* Create the new sorted table. */
fcfa6240
AM
4714 amt = (bfd_size_type) asect->lineno_count * sizeof (alent);
4715 n_lineno_cache = (alent *) bfd_alloc (abfd, amt);
e708816d 4716 if (n_lineno_cache != NULL)
252b5132 4717 {
e708816d
NC
4718 alent *n_cache_ptr = n_lineno_cache;
4719
4720 for (i = 0; i < nbr_func; i++)
252b5132 4721 {
e708816d
NC
4722 coff_symbol_type *sym;
4723 alent *old_ptr = func_table[i];
4724
fcfa6240
AM
4725 /* Update the function entry. */
4726 sym = (coff_symbol_type *) old_ptr->u.sym;
4727 /* PR binutils/17512: Point the lineno to where
4728 this entry will be after the memcpy below. */
4729 sym->lineno = lineno_cache + (n_cache_ptr - n_lineno_cache);
fcfa6240
AM
4730 /* Copy the function and line number entries. */
4731 do
e708816d 4732 *n_cache_ptr++ = *old_ptr++;
fcfa6240 4733 while (old_ptr->line_number != 0);
252b5132 4734 }
f41e4712
NC
4735 BFD_ASSERT ((bfd_size_type) (n_cache_ptr - n_lineno_cache) == (amt / sizeof (alent)));
4736
6bb3e679 4737 memcpy (lineno_cache, n_lineno_cache, amt);
252b5132 4738 }
86eafac0
NC
4739 else
4740 ret = FALSE;
fcfa6240 4741 bfd_release (abfd, func_table);
252b5132 4742 }
86eafac0
NC
4743 else
4744 ret = FALSE;
252b5132 4745 }
e708816d 4746
86eafac0 4747 return ret;
252b5132
RH
4748}
4749
00692651
ILT
4750/* Slurp in the symbol table, converting it to generic form. Note
4751 that if coff_relocate_section is defined, the linker will read
4752 symbols via coff_link_add_symbols, rather than via this routine. */
4753
b34976b6 4754static bfd_boolean
7920ce38 4755coff_slurp_symbol_table (bfd * abfd)
252b5132
RH
4756{
4757 combined_entry_type *native_symbols;
4758 coff_symbol_type *cached_area;
4759 unsigned int *table_ptr;
dc810e39 4760 bfd_size_type amt;
252b5132 4761 unsigned int number_of_symbols = 0;
86eafac0 4762 bfd_boolean ret = TRUE;
252b5132
RH
4763
4764 if (obj_symbols (abfd))
b34976b6 4765 return TRUE;
252b5132 4766
ed781d5d 4767 /* Read in the symbol table. */
252b5132 4768 if ((native_symbols = coff_get_normalized_symtab (abfd)) == NULL)
ed781d5d 4769 return FALSE;
252b5132 4770
ed781d5d 4771 /* Allocate enough room for all the symbols in cached form. */
dc810e39
AM
4772 amt = obj_raw_syment_count (abfd);
4773 amt *= sizeof (coff_symbol_type);
a50b1753 4774 cached_area = (coff_symbol_type *) bfd_alloc (abfd, amt);
252b5132 4775 if (cached_area == NULL)
b34976b6 4776 return FALSE;
dc810e39
AM
4777
4778 amt = obj_raw_syment_count (abfd);
4779 amt *= sizeof (unsigned int);
36e9d67b 4780 table_ptr = (unsigned int *) bfd_zalloc (abfd, amt);
252b5132
RH
4781
4782 if (table_ptr == NULL)
b34976b6 4783 return FALSE;
252b5132
RH
4784 else
4785 {
4786 coff_symbol_type *dst = cached_area;
4787 unsigned int last_native_index = obj_raw_syment_count (abfd);
4788 unsigned int this_index = 0;
ed781d5d 4789
252b5132
RH
4790 while (this_index < last_native_index)
4791 {
4792 combined_entry_type *src = native_symbols + this_index;
4793 table_ptr[this_index] = number_of_symbols;
252b5132 4794
36e9d67b 4795 dst->symbol.the_bfd = abfd;
a5c71af8 4796 BFD_ASSERT (src->is_sym);
252b5132
RH
4797 dst->symbol.name = (char *) (src->u.syment._n._n_n._n_offset);
4798 /* We use the native name field to point to the cached field. */
d2df793a 4799 src->u.syment._n._n_n._n_zeroes = (bfd_hostptr_t) dst;
252b5132
RH
4800 dst->symbol.section = coff_section_from_bfd_index (abfd,
4801 src->u.syment.n_scnum);
4802 dst->symbol.flags = 0;
f41e4712
NC
4803 /* PR 17512: file: 079-7098-0.001:0.1. */
4804 dst->symbol.value = 0;
b34976b6 4805 dst->done_lineno = FALSE;
252b5132
RH
4806
4807 switch (src->u.syment.n_sclass)
4808 {
4809#ifdef I960
4810 case C_LEAFEXT:
ed781d5d 4811 /* Fall through to next case. */
252b5132
RH
4812#endif
4813
4814 case C_EXT:
4815 case C_WEAKEXT:
4816#if defined ARM
46f2f11d
AM
4817 case C_THUMBEXT:
4818 case C_THUMBEXTFUNC:
252b5132
RH
4819#endif
4820#ifdef RS6000COFF_C
4821 case C_HIDEXT:
4822#endif
4823#ifdef C_SYSTEM
ed781d5d 4824 case C_SYSTEM: /* System Wide variable. */
252b5132
RH
4825#endif
4826#ifdef COFF_WITH_PE
46f2f11d
AM
4827 /* In PE, 0x68 (104) denotes a section symbol. */
4828 case C_SECTION:
5d54c628 4829 /* In PE, 0x69 (105) denotes a weak external symbol. */
252b5132
RH
4830 case C_NT_WEAK:
4831#endif
5d54c628 4832 switch (coff_classify_symbol (abfd, &src->u.syment))
252b5132 4833 {
5d54c628 4834 case COFF_SYMBOL_GLOBAL:
252b5132 4835 dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL;
252b5132
RH
4836#if defined COFF_WITH_PE
4837 /* PE sets the symbol to a value relative to the
46f2f11d 4838 start of the section. */
252b5132
RH
4839 dst->symbol.value = src->u.syment.n_value;
4840#else
4841 dst->symbol.value = (src->u.syment.n_value
4842 - dst->symbol.section->vma);
4843#endif
252b5132 4844 if (ISFCN ((src->u.syment.n_type)))
7920ce38
NC
4845 /* A function ext does not go at the end of a
4846 file. */
4847 dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
5d54c628
ILT
4848 break;
4849
4850 case COFF_SYMBOL_COMMON:
4851 dst->symbol.section = bfd_com_section_ptr;
4852 dst->symbol.value = src->u.syment.n_value;
4853 break;
4854
4855 case COFF_SYMBOL_UNDEFINED:
4856 dst->symbol.section = bfd_und_section_ptr;
4857 dst->symbol.value = 0;
e60b52c6 4858 break;
5d54c628
ILT
4859
4860 case COFF_SYMBOL_PE_SECTION:
4861 dst->symbol.flags |= BSF_EXPORT | BSF_SECTION_SYM;
4862 dst->symbol.value = 0;
4863 break;
4864
4865 case COFF_SYMBOL_LOCAL:
4866 dst->symbol.flags = BSF_LOCAL;
4867#if defined COFF_WITH_PE
4868 /* PE sets the symbol to a value relative to the
46f2f11d 4869 start of the section. */
5d54c628
ILT
4870 dst->symbol.value = src->u.syment.n_value;
4871#else
4872 dst->symbol.value = (src->u.syment.n_value
4873 - dst->symbol.section->vma);
4874#endif
4875 if (ISFCN ((src->u.syment.n_type)))
4876 dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION;
4877 break;
252b5132
RH
4878 }
4879
4880#ifdef RS6000COFF_C
252b5132
RH
4881 /* A symbol with a csect entry should not go at the end. */
4882 if (src->u.syment.n_numaux > 0)
4883 dst->symbol.flags |= BSF_NOT_AT_END;
4884#endif
4885
4886#ifdef COFF_WITH_PE
4887 if (src->u.syment.n_sclass == C_NT_WEAK)
a181be0a
NC
4888 dst->symbol.flags |= BSF_WEAK;
4889
ec0ef80e
DD
4890 if (src->u.syment.n_sclass == C_SECTION
4891 && src->u.syment.n_scnum > 0)
eb1e0e80 4892 dst->symbol.flags = BSF_LOCAL;
252b5132 4893#endif
252b5132 4894 if (src->u.syment.n_sclass == C_WEAKEXT)
a181be0a 4895 dst->symbol.flags |= BSF_WEAK;
252b5132
RH
4896
4897 break;
4898
ed781d5d 4899 case C_STAT: /* Static. */
252b5132 4900#ifdef I960
ed781d5d 4901 case C_LEAFSTAT: /* Static leaf procedure. */
252b5132 4902#endif
e60b52c6 4903#if defined ARM
46f2f11d
AM
4904 case C_THUMBSTAT: /* Thumb static. */
4905 case C_THUMBLABEL: /* Thumb label. */
4906 case C_THUMBSTATFUNC:/* Thumb static function. */
85645aed
TG
4907#endif
4908#ifdef RS6000COFF_C
4909 case C_DWARF: /* A label in a dwarf section. */
4910 case C_INFO: /* A label in a comment section. */
252b5132 4911#endif
ed781d5d 4912 case C_LABEL: /* Label. */
00692651 4913 if (src->u.syment.n_scnum == N_DEBUG)
252b5132
RH
4914 dst->symbol.flags = BSF_DEBUGGING;
4915 else
4916 dst->symbol.flags = BSF_LOCAL;
4917
4918 /* Base the value as an index from the base of the
4919 section, if there is one. */
4920 if (dst->symbol.section)
4921 {
4922#if defined COFF_WITH_PE
4923 /* PE sets the symbol to a value relative to the
46f2f11d 4924 start of the section. */
252b5132
RH
4925 dst->symbol.value = src->u.syment.n_value;
4926#else
4927 dst->symbol.value = (src->u.syment.n_value
4928 - dst->symbol.section->vma);
4929#endif
4930 }
4931 else
4932 dst->symbol.value = src->u.syment.n_value;
4933 break;
4934
ed781d5d
NC
4935 case C_MOS: /* Member of structure. */
4936 case C_EOS: /* End of structure. */
ed781d5d
NC
4937 case C_REGPARM: /* Register parameter. */
4938 case C_REG: /* register variable. */
46f2f11d 4939 /* C_AUTOARG conflicts with TI COFF C_UEXT. */
81635ce4 4940#if !defined (TIC80COFF) && !defined (TICOFF)
252b5132 4941#ifdef C_AUTOARG
ed781d5d 4942 case C_AUTOARG: /* 960-specific storage class. */
252b5132
RH
4943#endif
4944#endif
ed781d5d 4945 case C_TPDEF: /* Type definition. */
252b5132 4946 case C_ARG:
ed781d5d
NC
4947 case C_AUTO: /* Automatic variable. */
4948 case C_FIELD: /* Bit field. */
4949 case C_ENTAG: /* Enumeration tag. */
4950 case C_MOE: /* Member of enumeration. */
4951 case C_MOU: /* Member of union. */
4952 case C_UNTAG: /* Union tag. */
252b5132
RH
4953 dst->symbol.flags = BSF_DEBUGGING;
4954 dst->symbol.value = (src->u.syment.n_value);
4955 break;
4956
ed781d5d
NC
4957 case C_FILE: /* File name. */
4958 case C_STRTAG: /* Structure tag. */
252b5132
RH
4959#ifdef RS6000COFF_C
4960 case C_GSYM:
4961 case C_LSYM:
4962 case C_PSYM:
4963 case C_RSYM:
4964 case C_RPSYM:
4965 case C_STSYM:
f9f3cf65 4966 case C_TCSYM:
252b5132 4967 case C_BCOMM:
f9f3cf65 4968 case C_ECOML:
252b5132
RH
4969 case C_ECOMM:
4970 case C_DECL:
4971 case C_ENTRY:
4972 case C_FUN:
4973 case C_ESTAT:
4974#endif
4975 dst->symbol.flags = BSF_DEBUGGING;
4976 dst->symbol.value = (src->u.syment.n_value);
4977 break;
4978
4979#ifdef RS6000COFF_C
ed781d5d
NC
4980 case C_BINCL: /* Beginning of include file. */
4981 case C_EINCL: /* Ending of include file. */
252b5132 4982 /* The value is actually a pointer into the line numbers
46f2f11d
AM
4983 of the file. We locate the line number entry, and
4984 set the section to the section which contains it, and
4985 the value to the index in that section. */
252b5132
RH
4986 {
4987 asection *sec;
4988
4989 dst->symbol.flags = BSF_DEBUGGING;
4990 for (sec = abfd->sections; sec != NULL; sec = sec->next)
4991 if (sec->line_filepos <= (file_ptr) src->u.syment.n_value
4992 && ((file_ptr) (sec->line_filepos
6b3b007b 4993 + sec->lineno_count * bfd_coff_linesz (abfd))
252b5132
RH
4994 > (file_ptr) src->u.syment.n_value))
4995 break;
4996 if (sec == NULL)
4997 dst->symbol.value = 0;
4998 else
4999 {
5000 dst->symbol.section = sec;
5001 dst->symbol.value = ((src->u.syment.n_value
5002 - sec->line_filepos)
6b3b007b 5003 / bfd_coff_linesz (abfd));
252b5132
RH
5004 src->fix_line = 1;
5005 }
5006 }
5007 break;
5008
5009 case C_BSTAT:
5010 dst->symbol.flags = BSF_DEBUGGING;
5011
5012 /* The value is actually a symbol index. Save a pointer
5013 to the symbol instead of the index. FIXME: This
5014 should use a union. */
5015 src->u.syment.n_value =
d68cd58c 5016 (long) (intptr_t) (native_symbols + src->u.syment.n_value);
252b5132
RH
5017 dst->symbol.value = src->u.syment.n_value;
5018 src->fix_value = 1;
5019 break;
5020#endif
5021
ed781d5d
NC
5022 case C_BLOCK: /* ".bb" or ".eb". */
5023 case C_FCN: /* ".bf" or ".ef" (or PE ".lf"). */
5024 case C_EFCN: /* Physical end of function. */
252b5132
RH
5025#if defined COFF_WITH_PE
5026 /* PE sets the symbol to a value relative to the start
5027 of the section. */
5028 dst->symbol.value = src->u.syment.n_value;
d510f9a6
ILT
5029 if (strcmp (dst->symbol.name, ".bf") != 0)
5030 {
5031 /* PE uses funny values for .ef and .lf; don't
46f2f11d 5032 relocate them. */
d510f9a6
ILT
5033 dst->symbol.flags = BSF_DEBUGGING;
5034 }
5035 else
5036 dst->symbol.flags = BSF_DEBUGGING | BSF_DEBUGGING_RELOC;
252b5132
RH
5037#else
5038 /* Base the value as an index from the base of the
5039 section. */
d510f9a6 5040 dst->symbol.flags = BSF_LOCAL;
252b5132
RH
5041 dst->symbol.value = (src->u.syment.n_value
5042 - dst->symbol.section->vma);
5043#endif
5044 break;
5045
ed781d5d 5046 case C_STATLAB: /* Static load time label. */
46f2f11d
AM
5047 dst->symbol.value = src->u.syment.n_value;
5048 dst->symbol.flags = BSF_GLOBAL;
5049 break;
34cbe64e 5050
252b5132 5051 case C_NULL:
00692651 5052 /* PE DLLs sometimes have zeroed out symbols for some
46f2f11d 5053 reason. Just ignore them without a warning. */
00692651
ILT
5054 if (src->u.syment.n_type == 0
5055 && src->u.syment.n_value == 0
5056 && src->u.syment.n_scnum == 0)
5057 break;
53dd76d3
TG
5058#ifdef RS6000COFF_C
5059 /* XCOFF specific: deleted entry. */
5060 if (src->u.syment.n_value == C_NULL_VALUE)
5061 break;
5062#endif
00692651 5063 /* Fall through. */
ed781d5d
NC
5064 case C_EXTDEF: /* External definition. */
5065 case C_ULABEL: /* Undefined label. */
5066 case C_USTATIC: /* Undefined static. */
252b5132 5067#ifndef COFF_WITH_PE
46f2f11d
AM
5068 /* C_LINE in regular coff is 0x68. NT has taken over this storage
5069 class to represent a section symbol. */
ed781d5d 5070 case C_LINE: /* line # reformatted as symbol table entry. */
252b5132 5071 /* NT uses 0x67 for a weak symbol, not C_ALIAS. */
ed781d5d 5072 case C_ALIAS: /* Duplicate tag. */
252b5132 5073#endif
ed781d5d 5074 /* New storage classes for TI COFF. */
81635ce4 5075#if defined(TIC80COFF) || defined(TICOFF)
ed781d5d 5076 case C_UEXT: /* Tentative external definition. */
252b5132 5077#endif
2b804145 5078 case C_EXTLAB: /* External load time label. */
252b5132 5079 default:
4eca0228 5080 _bfd_error_handler
695344c0 5081 /* xgettext:c-format */
d003868e
AM
5082 (_("%B: Unrecognized storage class %d for %s symbol `%s'"),
5083 abfd, src->u.syment.n_sclass,
252b5132 5084 dst->symbol.section->name, dst->symbol.name);
86eafac0 5085 ret = FALSE;
63f2433d 5086 /* Fall through. */
7103ad76
LA
5087 case C_HIDDEN: /* Ext symbol in dmert public lib. */
5088 /* PR 20722: These symbols can also be generated by
5089 building DLLs with --gc-sections enabled. */
252b5132
RH
5090 dst->symbol.flags = BSF_DEBUGGING;
5091 dst->symbol.value = (src->u.syment.n_value);
5092 break;
5093 }
5094
252b5132 5095 dst->native = src;
252b5132 5096 dst->symbol.udata.i = 0;
7920ce38 5097 dst->lineno = NULL;
a5c71af8 5098
252b5132
RH
5099 this_index += (src->u.syment.n_numaux) + 1;
5100 dst++;
5101 number_of_symbols++;
ed781d5d
NC
5102 }
5103 }
252b5132
RH
5104
5105 obj_symbols (abfd) = cached_area;
5106 obj_raw_syments (abfd) = native_symbols;
5107
5108 bfd_get_symcount (abfd) = number_of_symbols;
5109 obj_convert (abfd) = table_ptr;
ed781d5d 5110 /* Slurp the line tables for each section too. */
252b5132
RH
5111 {
5112 asection *p;
ed781d5d 5113
252b5132
RH
5114 p = abfd->sections;
5115 while (p)
5116 {
063bb025
NC
5117 if (! coff_slurp_line_table (abfd, p))
5118 return FALSE;
252b5132
RH
5119 p = p->next;
5120 }
5121 }
ed781d5d 5122
86eafac0 5123 return ret;
7920ce38 5124}
252b5132 5125
5d54c628
ILT
5126/* Classify a COFF symbol. A couple of targets have globally visible
5127 symbols which are not class C_EXT, and this handles those. It also
5128 recognizes some special PE cases. */
252b5132 5129
5d54c628 5130static enum coff_symbol_classification
7920ce38
NC
5131coff_classify_symbol (bfd *abfd,
5132 struct internal_syment *syment)
5d54c628
ILT
5133{
5134 /* FIXME: This partially duplicates the switch in
5135 coff_slurp_symbol_table. */
5136 switch (syment->n_sclass)
5137 {
5138 case C_EXT:
5139 case C_WEAKEXT:
252b5132 5140#ifdef I960
5d54c628 5141 case C_LEAFEXT:
252b5132 5142#endif
5d54c628
ILT
5143#ifdef ARM
5144 case C_THUMBEXT:
5145 case C_THUMBEXTFUNC:
252b5132 5146#endif
5d54c628
ILT
5147#ifdef C_SYSTEM
5148 case C_SYSTEM:
252b5132 5149#endif
5d54c628
ILT
5150#ifdef COFF_WITH_PE
5151 case C_NT_WEAK:
5152#endif
5153 if (syment->n_scnum == 0)
5154 {
5155 if (syment->n_value == 0)
5156 return COFF_SYMBOL_UNDEFINED;
5157 else
5158 return COFF_SYMBOL_COMMON;
5159 }
5160 return COFF_SYMBOL_GLOBAL;
5161
5162 default:
5163 break;
5164 }
252b5132 5165
5d54c628
ILT
5166#ifdef COFF_WITH_PE
5167 if (syment->n_sclass == C_STAT)
5168 {
5169 if (syment->n_scnum == 0)
7920ce38
NC
5170 /* The Microsoft compiler sometimes generates these if a
5171 small static function is inlined every time it is used.
5172 The function is discarded, but the symbol table entry
5173 remains. */
5174 return COFF_SYMBOL_LOCAL;
252b5132 5175
0717ebb7 5176#ifdef STRICT_PE_FORMAT
bd826630 5177 /* This is correct for Microsoft generated objects, but it
46f2f11d 5178 breaks gas generated objects. */
5d54c628
ILT
5179 if (syment->n_value == 0)
5180 {
5181 asection *sec;
201159ec
NC
5182 char * name;
5183 char buf[SYMNMLEN + 1];
1b786873 5184
201159ec
NC
5185 name = _bfd_coff_internal_syment_name (abfd, syment, buf)
5186 sec = coff_section_from_bfd_index (abfd, syment->n_scnum);
5187 if (sec != NULL && name != NULL
5188 && (strcmp (bfd_get_section_name (abfd, sec), name) == 0))
5d54c628
ILT
5189 return COFF_SYMBOL_PE_SECTION;
5190 }
bd826630 5191#endif
252b5132 5192
5d54c628
ILT
5193 return COFF_SYMBOL_LOCAL;
5194 }
252b5132 5195
5d54c628
ILT
5196 if (syment->n_sclass == C_SECTION)
5197 {
5198 /* In some cases in a DLL generated by the Microsoft linker, the
46f2f11d
AM
5199 n_value field will contain garbage. FIXME: This should
5200 probably be handled by the swapping function instead. */
5d54c628
ILT
5201 syment->n_value = 0;
5202 if (syment->n_scnum == 0)
5203 return COFF_SYMBOL_UNDEFINED;
5204 return COFF_SYMBOL_PE_SECTION;
5205 }
5206#endif /* COFF_WITH_PE */
252b5132 5207
5d54c628 5208 /* If it is not a global symbol, we presume it is a local symbol. */
5d54c628
ILT
5209 if (syment->n_scnum == 0)
5210 {
5211 char buf[SYMNMLEN + 1];
252b5132 5212
4eca0228 5213 _bfd_error_handler
695344c0 5214 /* xgettext:c-format */
d003868e
AM
5215 (_("warning: %B: local symbol `%s' has no section"),
5216 abfd, _bfd_coff_internal_syment_name (abfd, syment, buf));
5d54c628 5217 }
252b5132 5218
5d54c628
ILT
5219 return COFF_SYMBOL_LOCAL;
5220}
252b5132
RH
5221
5222/*
5223SUBSUBSECTION
5224 Reading relocations
5225
5226 Coff relocations are easily transformed into the internal BFD form
5227 (@code{arelent}).
5228
5229 Reading a coff relocation table is done in the following stages:
5230
5231 o Read the entire coff relocation table into memory.
5232
5233 o Process each relocation in turn; first swap it from the
5234 external to the internal form.
5235
5236 o Turn the symbol referenced in the relocation's symbol index
5237 into a pointer into the canonical symbol table.
5238 This table is the same as the one returned by a call to
5239 @code{bfd_canonicalize_symtab}. The back end will call that
5240 routine and save the result if a canonicalization hasn't been done.
5241
5242 o The reloc index is turned into a pointer to a howto
5243 structure, in a back end specific way. For instance, the 386
5244 and 960 use the @code{r_type} to directly produce an index
5245 into a howto table vector; the 88k subtracts a number from the
5246 @code{r_type} field and creates an addend field.
252b5132
RH
5247*/
5248
5249#ifndef CALC_ADDEND
46f2f11d
AM
5250#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
5251 { \
5252 coff_symbol_type *coffsym = NULL; \
5253 \
5254 if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
5255 coffsym = (obj_symbols (abfd) \
5256 + (cache_ptr->sym_ptr_ptr - symbols)); \
5257 else if (ptr) \
f4943d82 5258 coffsym = coff_symbol_from (ptr); \
46f2f11d 5259 if (coffsym != NULL \
a5c71af8 5260 && coffsym->native->is_sym \
46f2f11d
AM
5261 && coffsym->native->u.syment.n_scnum == 0) \
5262 cache_ptr->addend = 0; \
5263 else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
5264 && ptr->section != NULL) \
5265 cache_ptr->addend = - (ptr->section->vma + ptr->value); \
5266 else \
5267 cache_ptr->addend = 0; \
252b5132
RH
5268 }
5269#endif
5270
b34976b6 5271static bfd_boolean
7920ce38 5272coff_slurp_reloc_table (bfd * abfd, sec_ptr asect, asymbol ** symbols)
252b5132
RH
5273{
5274 RELOC *native_relocs;
5275 arelent *reloc_cache;
5276 arelent *cache_ptr;
252b5132 5277 unsigned int idx;
dc810e39 5278 bfd_size_type amt;
252b5132
RH
5279
5280 if (asect->relocation)
b34976b6 5281 return TRUE;
252b5132 5282 if (asect->reloc_count == 0)
b34976b6 5283 return TRUE;
252b5132 5284 if (asect->flags & SEC_CONSTRUCTOR)
b34976b6 5285 return TRUE;
252b5132 5286 if (!coff_slurp_symbol_table (abfd))
b34976b6 5287 return FALSE;
7920ce38 5288
dc810e39
AM
5289 amt = (bfd_size_type) bfd_coff_relsz (abfd) * asect->reloc_count;
5290 native_relocs = (RELOC *) buy_and_read (abfd, asect->rel_filepos, amt);
5291 amt = (bfd_size_type) asect->reloc_count * sizeof (arelent);
a50b1753 5292 reloc_cache = (arelent *) bfd_alloc (abfd, amt);
252b5132 5293
a50b2160 5294 if (reloc_cache == NULL || native_relocs == NULL)
b34976b6 5295 return FALSE;
252b5132 5296
252b5132
RH
5297 for (idx = 0; idx < asect->reloc_count; idx++)
5298 {
5299 struct internal_reloc dst;
5300 struct external_reloc *src;
5301#ifndef RELOC_PROCESSING
5302 asymbol *ptr;
5303#endif
5304
5305 cache_ptr = reloc_cache + idx;
5306 src = native_relocs + idx;
5307
40b1c6c5 5308 dst.r_offset = 0;
252b5132
RH
5309 coff_swap_reloc_in (abfd, src, &dst);
5310
5311#ifdef RELOC_PROCESSING
5312 RELOC_PROCESSING (cache_ptr, &dst, symbols, abfd, asect);
5313#else
5314 cache_ptr->address = dst.r_vaddr;
5315
5316 if (dst.r_symndx != -1)
5317 {
5318 if (dst.r_symndx < 0 || dst.r_symndx >= obj_conv_table_size (abfd))
5319 {
4eca0228 5320 _bfd_error_handler
695344c0 5321 /* xgettext:c-format */
d003868e 5322 (_("%B: warning: illegal symbol index %ld in relocs"),
be5b8c8c 5323 abfd, (long) dst.r_symndx);
252b5132
RH
5324 cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
5325 ptr = NULL;
5326 }
5327 else
5328 {
5329 cache_ptr->sym_ptr_ptr = (symbols
5330 + obj_convert (abfd)[dst.r_symndx]);
5331 ptr = *(cache_ptr->sym_ptr_ptr);
5332 }
5333 }
5334 else
5335 {
5336 cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
5337 ptr = NULL;
5338 }
5339
5340 /* The symbols definitions that we have read in have been
5341 relocated as if their sections started at 0. But the offsets
5342 refering to the symbols in the raw data have not been
5343 modified, so we have to have a negative addend to compensate.
5344
ed781d5d 5345 Note that symbols which used to be common must be left alone. */
252b5132 5346
ed781d5d 5347 /* Calculate any reloc addend by looking at the symbol. */
252b5132 5348 CALC_ADDEND (abfd, ptr, dst, cache_ptr);
c7e2358a 5349 (void) ptr;
252b5132
RH
5350
5351 cache_ptr->address -= asect->vma;
7920ce38 5352 /* !! cache_ptr->section = NULL;*/
252b5132 5353
ed781d5d 5354 /* Fill in the cache_ptr->howto field from dst.r_type. */
252b5132
RH
5355 RTYPE2HOWTO (cache_ptr, &dst);
5356#endif /* RELOC_PROCESSING */
5357
5358 if (cache_ptr->howto == NULL)
5359 {
4eca0228 5360 _bfd_error_handler
695344c0 5361 /* xgettext:c-format */
d003868e
AM
5362 (_("%B: illegal relocation type %d at address 0x%lx"),
5363 abfd, dst.r_type, (long) dst.r_vaddr);
252b5132 5364 bfd_set_error (bfd_error_bad_value);
b34976b6 5365 return FALSE;
252b5132
RH
5366 }
5367 }
5368
5369 asect->relocation = reloc_cache;
b34976b6 5370 return TRUE;
252b5132
RH
5371}
5372
5373#ifndef coff_rtype_to_howto
5374#ifdef RTYPE2HOWTO
5375
5376/* Get the howto structure for a reloc. This is only used if the file
5377 including this one defines coff_relocate_section to be
5378 _bfd_coff_generic_relocate_section, so it is OK if it does not
5379 always work. It is the responsibility of the including file to
5380 make sure it is reasonable if it is needed. */
5381
252b5132 5382static reloc_howto_type *
7920ce38
NC
5383coff_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
5384 asection *sec ATTRIBUTE_UNUSED,
a1165289 5385 struct internal_reloc *rel ATTRIBUTE_UNUSED,
7920ce38
NC
5386 struct coff_link_hash_entry *h ATTRIBUTE_UNUSED,
5387 struct internal_syment *sym ATTRIBUTE_UNUSED,
5388 bfd_vma *addendp ATTRIBUTE_UNUSED)
252b5132
RH
5389{
5390 arelent genrel;
5391
964597d0 5392 genrel.howto = NULL;
252b5132
RH
5393 RTYPE2HOWTO (&genrel, rel);
5394 return genrel.howto;
5395}
5396
5397#else /* ! defined (RTYPE2HOWTO) */
5398
5399#define coff_rtype_to_howto NULL
5400
5401#endif /* ! defined (RTYPE2HOWTO) */
5402#endif /* ! defined (coff_rtype_to_howto) */
5403
5404/* This is stupid. This function should be a boolean predicate. */
7920ce38 5405
252b5132 5406static long
7920ce38
NC
5407coff_canonicalize_reloc (bfd * abfd,
5408 sec_ptr section,
5409 arelent ** relptr,
5410 asymbol ** symbols)
252b5132
RH
5411{
5412 arelent *tblptr = section->relocation;
5413 unsigned int count = 0;
5414
252b5132
RH
5415 if (section->flags & SEC_CONSTRUCTOR)
5416 {
ed781d5d
NC
5417 /* This section has relocs made up by us, they are not in the
5418 file, so take them out of their chain and place them into
5419 the data area provided. */
252b5132 5420 arelent_chain *chain = section->constructor_chain;
ed781d5d 5421
252b5132
RH
5422 for (count = 0; count < section->reloc_count; count++)
5423 {
5424 *relptr++ = &chain->relent;
5425 chain = chain->next;
5426 }
252b5132
RH
5427 }
5428 else
5429 {
5430 if (! coff_slurp_reloc_table (abfd, section, symbols))
5431 return -1;
5432
5433 tblptr = section->relocation;
5434
5435 for (; count++ < section->reloc_count;)
5436 *relptr++ = tblptr++;
252b5132
RH
5437 }
5438 *relptr = 0;
5439 return section->reloc_count;
5440}
5441
252b5132
RH
5442#ifndef coff_reloc16_estimate
5443#define coff_reloc16_estimate dummy_reloc16_estimate
5444
252b5132 5445static int
7920ce38
NC
5446dummy_reloc16_estimate (bfd *abfd ATTRIBUTE_UNUSED,
5447 asection *input_section ATTRIBUTE_UNUSED,
5448 arelent *reloc ATTRIBUTE_UNUSED,
5449 unsigned int shrink ATTRIBUTE_UNUSED,
5450 struct bfd_link_info *link_info ATTRIBUTE_UNUSED)
252b5132
RH
5451{
5452 abort ();
00692651 5453 return 0;
252b5132
RH
5454}
5455
5456#endif
5457
5458#ifndef coff_reloc16_extra_cases
5459
5460#define coff_reloc16_extra_cases dummy_reloc16_extra_cases
5461
5462/* This works even if abort is not declared in any header file. */
5463
252b5132 5464static void
7920ce38
NC
5465dummy_reloc16_extra_cases (bfd *abfd ATTRIBUTE_UNUSED,
5466 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
5467 struct bfd_link_order *link_order ATTRIBUTE_UNUSED,
5468 arelent *reloc ATTRIBUTE_UNUSED,
5469 bfd_byte *data ATTRIBUTE_UNUSED,
5470 unsigned int *src_ptr ATTRIBUTE_UNUSED,
5471 unsigned int *dst_ptr ATTRIBUTE_UNUSED)
252b5132
RH
5472{
5473 abort ();
5474}
5475#endif
5476
5477/* If coff_relocate_section is defined, we can use the optimized COFF
5478 backend linker. Otherwise we must continue to use the old linker. */
7920ce38 5479
252b5132 5480#ifdef coff_relocate_section
7920ce38 5481
252b5132
RH
5482#ifndef coff_bfd_link_hash_table_create
5483#define coff_bfd_link_hash_table_create _bfd_coff_link_hash_table_create
5484#endif
5485#ifndef coff_bfd_link_add_symbols
5486#define coff_bfd_link_add_symbols _bfd_coff_link_add_symbols
5487#endif
5488#ifndef coff_bfd_final_link
5489#define coff_bfd_final_link _bfd_coff_final_link
5490#endif
7920ce38 5491
252b5132 5492#else /* ! defined (coff_relocate_section) */
7920ce38 5493
252b5132
RH
5494#define coff_relocate_section NULL
5495#ifndef coff_bfd_link_hash_table_create
5496#define coff_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
5497#endif
5498#ifndef coff_bfd_link_add_symbols
5499#define coff_bfd_link_add_symbols _bfd_generic_link_add_symbols
5500#endif
5501#define coff_bfd_final_link _bfd_generic_final_link
7920ce38 5502
252b5132
RH
5503#endif /* ! defined (coff_relocate_section) */
5504
7920ce38 5505#define coff_bfd_link_just_syms _bfd_generic_link_just_syms
1338dd10
PB
5506#define coff_bfd_copy_link_hash_symbol_type \
5507 _bfd_generic_copy_link_hash_symbol_type
252b5132
RH
5508#define coff_bfd_link_split_section _bfd_generic_link_split_section
5509
4f3b23b3
NC
5510#define coff_bfd_link_check_relocs _bfd_generic_link_check_relocs
5511
252b5132
RH
5512#ifndef coff_start_final_link
5513#define coff_start_final_link NULL
5514#endif
5515
5516#ifndef coff_adjust_symndx
5517#define coff_adjust_symndx NULL
5518#endif
5519
5520#ifndef coff_link_add_one_symbol
5521#define coff_link_add_one_symbol _bfd_generic_link_add_one_symbol
5522#endif
5523
5524#ifndef coff_link_output_has_begun
5525
b34976b6 5526static bfd_boolean
7920ce38
NC
5527coff_link_output_has_begun (bfd * abfd,
5528 struct coff_final_link_info * info ATTRIBUTE_UNUSED)
252b5132
RH
5529{
5530 return abfd->output_has_begun;
5531}
5532#endif
5533
5534#ifndef coff_final_link_postscript
5535
b34976b6 5536static bfd_boolean
7920ce38
NC
5537coff_final_link_postscript (bfd * abfd ATTRIBUTE_UNUSED,
5538 struct coff_final_link_info * pfinfo ATTRIBUTE_UNUSED)
252b5132 5539{
b34976b6 5540 return TRUE;
252b5132
RH
5541}
5542#endif
5543
5544#ifndef coff_SWAP_aux_in
5545#define coff_SWAP_aux_in coff_swap_aux_in
5546#endif
5547#ifndef coff_SWAP_sym_in
5548#define coff_SWAP_sym_in coff_swap_sym_in
5549#endif
5550#ifndef coff_SWAP_lineno_in
5551#define coff_SWAP_lineno_in coff_swap_lineno_in
5552#endif
5553#ifndef coff_SWAP_aux_out
5554#define coff_SWAP_aux_out coff_swap_aux_out
5555#endif
5556#ifndef coff_SWAP_sym_out
5557#define coff_SWAP_sym_out coff_swap_sym_out
5558#endif
5559#ifndef coff_SWAP_lineno_out
5560#define coff_SWAP_lineno_out coff_swap_lineno_out
5561#endif
5562#ifndef coff_SWAP_reloc_out
5563#define coff_SWAP_reloc_out coff_swap_reloc_out
5564#endif
5565#ifndef coff_SWAP_filehdr_out
5566#define coff_SWAP_filehdr_out coff_swap_filehdr_out
5567#endif
5568#ifndef coff_SWAP_aouthdr_out
5569#define coff_SWAP_aouthdr_out coff_swap_aouthdr_out
5570#endif
5571#ifndef coff_SWAP_scnhdr_out
5572#define coff_SWAP_scnhdr_out coff_swap_scnhdr_out
5573#endif
5574#ifndef coff_SWAP_reloc_in
5575#define coff_SWAP_reloc_in coff_swap_reloc_in
5576#endif
5577#ifndef coff_SWAP_filehdr_in
5578#define coff_SWAP_filehdr_in coff_swap_filehdr_in
5579#endif
5580#ifndef coff_SWAP_aouthdr_in
5581#define coff_SWAP_aouthdr_in coff_swap_aouthdr_in
5582#endif
5583#ifndef coff_SWAP_scnhdr_in
5584#define coff_SWAP_scnhdr_in coff_swap_scnhdr_in
5585#endif
5586
88183869 5587static bfd_coff_backend_data bfd_coff_std_swap_table ATTRIBUTE_UNUSED =
252b5132
RH
5588{
5589 coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
5590 coff_SWAP_aux_out, coff_SWAP_sym_out,
5591 coff_SWAP_lineno_out, coff_SWAP_reloc_out,
5592 coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
5593 coff_SWAP_scnhdr_out,
692b7d62 5594 FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN,
252b5132 5595#ifdef COFF_LONG_FILENAMES
b34976b6 5596 TRUE,
252b5132 5597#else
b34976b6 5598 FALSE,
252b5132 5599#endif
88183869 5600 COFF_DEFAULT_LONG_SECTION_NAMES,
a022216b 5601 COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
7f6d05e8 5602#ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
b34976b6 5603 TRUE,
7f6d05e8 5604#else
b34976b6 5605 FALSE,
7f6d05e8
CP
5606#endif
5607#ifdef COFF_DEBUG_STRING_WIDE_PREFIX
5608 4,
5609#else
5610 2,
5611#endif
167ad85b 5612 32768,
252b5132
RH
5613 coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
5614 coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
5615 coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
5616 coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
5617 coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
5d54c628 5618 coff_classify_symbol, coff_compute_section_file_positions,
252b5132
RH
5619 coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
5620 coff_adjust_symndx, coff_link_add_one_symbol,
2b5c217d
NC
5621 coff_link_output_has_begun, coff_final_link_postscript,
5622 bfd_pe_print_pdata
252b5132
RH
5623};
5624
5a5b9651
SS
5625#ifdef TICOFF
5626/* COFF0 differs in file/section header size and relocation entry size. */
7920ce38 5627
88183869 5628static bfd_coff_backend_data ticoff0_swap_table =
5a5b9651
SS
5629{
5630 coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
5631 coff_SWAP_aux_out, coff_SWAP_sym_out,
5632 coff_SWAP_lineno_out, coff_SWAP_reloc_out,
5633 coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
5634 coff_SWAP_scnhdr_out,
5635 FILHSZ_V0, AOUTSZ, SCNHSZ_V01, SYMESZ, AUXESZ, RELSZ_V0, LINESZ, FILNMLEN,
5636#ifdef COFF_LONG_FILENAMES
5637 TRUE,
5638#else
5639 FALSE,
5640#endif
88183869 5641 COFF_DEFAULT_LONG_SECTION_NAMES,
5a5b9651
SS
5642 COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
5643#ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
5644 TRUE,
5645#else
5646 FALSE,
5647#endif
5648#ifdef COFF_DEBUG_STRING_WIDE_PREFIX
5649 4,
5650#else
5651 2,
5652#endif
167ad85b 5653 32768,
5a5b9651
SS
5654 coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
5655 coff_SWAP_reloc_in, ticoff0_bad_format_hook, coff_set_arch_mach_hook,
5656 coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
5657 coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
5658 coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
5659 coff_classify_symbol, coff_compute_section_file_positions,
5660 coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
5661 coff_adjust_symndx, coff_link_add_one_symbol,
2b5c217d
NC
5662 coff_link_output_has_begun, coff_final_link_postscript,
5663 bfd_pe_print_pdata
5a5b9651
SS
5664};
5665#endif
5666
5667#ifdef TICOFF
5668/* COFF1 differs in section header size. */
7920ce38 5669
88183869 5670static bfd_coff_backend_data ticoff1_swap_table =
5a5b9651
SS
5671{
5672 coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
5673 coff_SWAP_aux_out, coff_SWAP_sym_out,
5674 coff_SWAP_lineno_out, coff_SWAP_reloc_out,
5675 coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
5676 coff_SWAP_scnhdr_out,
5677 FILHSZ, AOUTSZ, SCNHSZ_V01, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN,
5678#ifdef COFF_LONG_FILENAMES
5679 TRUE,
5680#else
5681 FALSE,
5682#endif
88183869 5683 COFF_DEFAULT_LONG_SECTION_NAMES,
5a5b9651
SS
5684 COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
5685#ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
5686 TRUE,
5687#else
5688 FALSE,
5689#endif
5690#ifdef COFF_DEBUG_STRING_WIDE_PREFIX
5691 4,
5692#else
5693 2,
5694#endif
167ad85b 5695 32768,
5a5b9651
SS
5696 coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
5697 coff_SWAP_reloc_in, ticoff1_bad_format_hook, coff_set_arch_mach_hook,
5698 coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
5699 coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
5700 coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
5701 coff_classify_symbol, coff_compute_section_file_positions,
5702 coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
5703 coff_adjust_symndx, coff_link_add_one_symbol,
2b5c217d
NC
5704 coff_link_output_has_begun, coff_final_link_postscript,
5705 bfd_pe_print_pdata /* huh */
5a5b9651
SS
5706};
5707#endif
5708
167ad85b 5709#ifdef COFF_WITH_PE_BIGOBJ
a5c71af8 5710/* The UID for bigobj files. */
167ad85b
TG
5711
5712static const char header_bigobj_classid[16] =
5713{
5714 0xC7, 0xA1, 0xBA, 0xD1,
5715 0xEE, 0xBA,
5716 0xa9, 0x4b,
5717 0xAF, 0x20,
5718 0xFA, 0xF6, 0x6A, 0xA4, 0xDC, 0xB8
5719};
5720
5721/* Swap routines. */
5722
5723static void
5724coff_bigobj_swap_filehdr_in (bfd * abfd, void * src, void * dst)
5725{
5726 struct external_ANON_OBJECT_HEADER_BIGOBJ *filehdr_src =
5727 (struct external_ANON_OBJECT_HEADER_BIGOBJ *) src;
5728 struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst;
5729
5730 filehdr_dst->f_magic = H_GET_16 (abfd, filehdr_src->Machine);
5731 filehdr_dst->f_nscns = H_GET_32 (abfd, filehdr_src->NumberOfSections);
5732 filehdr_dst->f_timdat = H_GET_32 (abfd, filehdr_src->TimeDateStamp);
5733 filehdr_dst->f_symptr =
5734 GET_FILEHDR_SYMPTR (abfd, filehdr_src->PointerToSymbolTable);
5735 filehdr_dst->f_nsyms = H_GET_32 (abfd, filehdr_src->NumberOfSymbols);
5736 filehdr_dst->f_opthdr = 0;
5737 filehdr_dst->f_flags = 0;
5738
5739 /* Check other magic numbers. */
5740 if (H_GET_16 (abfd, filehdr_src->Sig1) != IMAGE_FILE_MACHINE_UNKNOWN
5741 || H_GET_16 (abfd, filehdr_src->Sig2) != 0xffff
5742 || H_GET_16 (abfd, filehdr_src->Version) != 2
5743 || memcmp (filehdr_src->ClassID, header_bigobj_classid, 16) != 0)
5744 filehdr_dst->f_opthdr = 0xffff;
5745
5746 /* Note that CLR metadata are ignored. */
5747}
5748
5749static unsigned int
5750coff_bigobj_swap_filehdr_out (bfd *abfd, void * in, void * out)
5751{
5752 struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in;
5753 struct external_ANON_OBJECT_HEADER_BIGOBJ *filehdr_out =
5754 (struct external_ANON_OBJECT_HEADER_BIGOBJ *) out;
5755
5756 memset (filehdr_out, 0, sizeof (*filehdr_out));
5757
5758 H_PUT_16 (abfd, IMAGE_FILE_MACHINE_UNKNOWN, filehdr_out->Sig1);
5759 H_PUT_16 (abfd, 0xffff, filehdr_out->Sig2);
5760 H_PUT_16 (abfd, 2, filehdr_out->Version);
5761 memcpy (filehdr_out->ClassID, header_bigobj_classid, 16);
5762 H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->Machine);
5763 H_PUT_32 (abfd, filehdr_in->f_nscns, filehdr_out->NumberOfSections);
5764 H_PUT_32 (abfd, filehdr_in->f_timdat, filehdr_out->TimeDateStamp);
5765 PUT_FILEHDR_SYMPTR (abfd, filehdr_in->f_symptr,
5766 filehdr_out->PointerToSymbolTable);
5767 H_PUT_32 (abfd, filehdr_in->f_nsyms, filehdr_out->NumberOfSymbols);
5768
5769 return bfd_coff_filhsz (abfd);
5770}
5771
5772static void
5773coff_bigobj_swap_sym_in (bfd * abfd, void * ext1, void * in1)
5774{
5775 SYMENT_BIGOBJ *ext = (SYMENT_BIGOBJ *) ext1;
5776 struct internal_syment *in = (struct internal_syment *) in1;
5777
5778 if (ext->e.e_name[0] == 0)
5779 {
5780 in->_n._n_n._n_zeroes = 0;
5781 in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e.e.e_offset);
5782 }
5783 else
5784 {
5785#if SYMNMLEN != E_SYMNMLEN
5786#error we need to cope with truncating or extending SYMNMLEN
5787#else
5788 memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN);
5789#endif
5790 }
5791
5792 in->n_value = H_GET_32 (abfd, ext->e_value);
9ae678af 5793 BFD_ASSERT (sizeof (in->n_scnum) >= 4);
167ad85b
TG
5794 in->n_scnum = H_GET_32 (abfd, ext->e_scnum);
5795 in->n_type = H_GET_16 (abfd, ext->e_type);
5796 in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
5797 in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
5798}
5799
5800static unsigned int
5801coff_bigobj_swap_sym_out (bfd * abfd, void * inp, void * extp)
5802{
5803 struct internal_syment *in = (struct internal_syment *) inp;
5804 SYMENT_BIGOBJ *ext = (SYMENT_BIGOBJ *) extp;
5805
5806 if (in->_n._n_name[0] == 0)
5807 {
5808 H_PUT_32 (abfd, 0, ext->e.e.e_zeroes);
5809 H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e.e.e_offset);
5810 }
5811 else
5812 {
5813#if SYMNMLEN != E_SYMNMLEN
5814#error we need to cope with truncating or extending SYMNMLEN
5815#else
5816 memcpy (ext->e.e_name, in->_n._n_name, SYMNMLEN);
5817#endif
5818 }
5819
5820 H_PUT_32 (abfd, in->n_value, ext->e_value);
5821 H_PUT_32 (abfd, in->n_scnum, ext->e_scnum);
5822
5823 H_PUT_16 (abfd, in->n_type, ext->e_type);
5824 H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
5825 H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
5826
5827 return SYMESZ_BIGOBJ;
5828}
5829
5830static void
5831coff_bigobj_swap_aux_in (bfd *abfd,
5832 void * ext1,
5833 int type,
5834 int in_class,
5835 int indx,
5836 int numaux,
5837 void * in1)
5838{
5839 AUXENT_BIGOBJ *ext = (AUXENT_BIGOBJ *) ext1;
5840 union internal_auxent *in = (union internal_auxent *) in1;
5841
5842 switch (in_class)
5843 {
5844 case C_FILE:
5845 if (numaux > 1)
5846 {
5847 if (indx == 0)
5848 memcpy (in->x_file.x_fname, ext->File.Name,
5849 numaux * sizeof (AUXENT_BIGOBJ));
5850 }
5851 else
5852 memcpy (in->x_file.x_fname, ext->File.Name, sizeof (ext->File.Name));
5853 break;
5854
5855 case C_STAT:
5856 case C_LEAFSTAT:
5857 case C_HIDDEN:
5858 if (type == T_NULL)
5859 {
5860 in->x_scn.x_scnlen = H_GET_32 (abfd, ext->Section.Length);
5861 in->x_scn.x_nreloc =
5862 H_GET_16 (abfd, ext->Section.NumberOfRelocations);
5863 in->x_scn.x_nlinno =
5864 H_GET_16 (abfd, ext->Section.NumberOfLinenumbers);
5865 in->x_scn.x_checksum = H_GET_32 (abfd, ext->Section.Checksum);
5866 in->x_scn.x_associated = H_GET_16 (abfd, ext->Section.Number)
5867 | (H_GET_16 (abfd, ext->Section.HighNumber) << 16);
5868 in->x_scn.x_comdat = H_GET_8 (abfd, ext->Section.Selection);
5869 return;
5870 }
5871 break;
5872
5873 default:
5874 in->x_sym.x_tagndx.l = H_GET_32 (abfd, ext->Sym.WeakDefaultSymIndex);
5875 /* Characteristics is ignored. */
5876 break;
5877 }
5878}
5879
5880static unsigned int
5881coff_bigobj_swap_aux_out (bfd * abfd,
5882 void * inp,
5883 int type,
5884 int in_class,
5885 int indx ATTRIBUTE_UNUSED,
5886 int numaux ATTRIBUTE_UNUSED,
5887 void * extp)
5888{
5889 union internal_auxent * in = (union internal_auxent *) inp;
5890 AUXENT_BIGOBJ *ext = (AUXENT_BIGOBJ *) extp;
5891
5892 memset (ext, 0, AUXESZ);
5893
5894 switch (in_class)
5895 {
5896 case C_FILE:
5897 memcpy (ext->File.Name, in->x_file.x_fname, sizeof (ext->File.Name));
5898
5899 return AUXESZ;
5900
5901 case C_STAT:
5902 case C_LEAFSTAT:
5903 case C_HIDDEN:
5904 if (type == T_NULL)
5905 {
5906 H_PUT_32 (abfd, in->x_scn.x_scnlen, ext->Section.Length);
5907 H_PUT_16 (abfd, in->x_scn.x_nreloc,
5908 ext->Section.NumberOfRelocations);
5909 H_PUT_16 (abfd, in->x_scn.x_nlinno,
5910 ext->Section.NumberOfLinenumbers);
5911 H_PUT_32 (abfd, in->x_scn.x_checksum, ext->Section.Checksum);
5912 H_PUT_16 (abfd, in->x_scn.x_associated & 0xffff,
5913 ext->Section.Number);
5914 H_PUT_16 (abfd, (in->x_scn.x_associated >> 16),
5915 ext->Section.HighNumber);
5916 H_PUT_8 (abfd, in->x_scn.x_comdat, ext->Section.Selection);
5917 return AUXESZ;
5918 }
5919 break;
5920 }
5921
5922 H_PUT_32 (abfd, in->x_sym.x_tagndx.l, ext->Sym.WeakDefaultSymIndex);
5923 H_PUT_32 (abfd, 1, ext->Sym.WeakSearchType);
5924
5925 return AUXESZ;
5926}
5927
5928static bfd_coff_backend_data bigobj_swap_table =
5929{
5930 coff_bigobj_swap_aux_in, coff_bigobj_swap_sym_in, coff_SWAP_lineno_in,
5931 coff_bigobj_swap_aux_out, coff_bigobj_swap_sym_out,
5932 coff_SWAP_lineno_out, coff_SWAP_reloc_out,
5933 coff_bigobj_swap_filehdr_out, coff_SWAP_aouthdr_out,
5934 coff_SWAP_scnhdr_out,
5935 FILHSZ_BIGOBJ, AOUTSZ, SCNHSZ, SYMESZ_BIGOBJ, AUXESZ_BIGOBJ,
5936 RELSZ, LINESZ, FILNMLEN_BIGOBJ,
5937 TRUE,
5938 COFF_DEFAULT_LONG_SECTION_NAMES,
5939 COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
5940 FALSE,
5941 2,
5942 1U << 31,
5943 coff_bigobj_swap_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
5944 coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
5945 coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
5946 coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
5947 coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
5948 coff_classify_symbol, coff_compute_section_file_positions,
5949 coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
5950 coff_adjust_symndx, coff_link_add_one_symbol,
5951 coff_link_output_has_begun, coff_final_link_postscript,
5952 bfd_pe_print_pdata /* huh */
5953};
5954
5955#endif /* COFF_WITH_PE_BIGOBJ */
5956
252b5132 5957#ifndef coff_close_and_cleanup
46f2f11d 5958#define coff_close_and_cleanup _bfd_generic_close_and_cleanup
252b5132
RH
5959#endif
5960
5961#ifndef coff_bfd_free_cached_info
46f2f11d 5962#define coff_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
252b5132
RH
5963#endif
5964
5965#ifndef coff_get_section_contents
46f2f11d 5966#define coff_get_section_contents _bfd_generic_get_section_contents
252b5132
RH
5967#endif
5968
5969#ifndef coff_bfd_copy_private_symbol_data
5970#define coff_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
5971#endif
5972
80fccad2
BW
5973#ifndef coff_bfd_copy_private_header_data
5974#define coff_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
5975#endif
5976
252b5132
RH
5977#ifndef coff_bfd_copy_private_section_data
5978#define coff_bfd_copy_private_section_data _bfd_generic_bfd_copy_private_section_data
5979#endif
5980
e60b52c6 5981#ifndef coff_bfd_copy_private_bfd_data
252b5132
RH
5982#define coff_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
5983#endif
5984
5985#ifndef coff_bfd_merge_private_bfd_data
5986#define coff_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
5987#endif
5988
5989#ifndef coff_bfd_set_private_flags
46f2f11d 5990#define coff_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
252b5132
RH
5991#endif
5992
e60b52c6 5993#ifndef coff_bfd_print_private_bfd_data
252b5132
RH
5994#define coff_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
5995#endif
5996
5997#ifndef coff_bfd_is_local_label_name
5998#define coff_bfd_is_local_label_name _bfd_coff_is_local_label_name
5999#endif
6000
3c9458e9
NC
6001#ifndef coff_bfd_is_target_special_symbol
6002#define coff_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
6003#endif
6004
252b5132
RH
6005#ifndef coff_read_minisymbols
6006#define coff_read_minisymbols _bfd_generic_read_minisymbols
6007#endif
6008
6009#ifndef coff_minisymbol_to_symbol
6010#define coff_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
6011#endif
6012
6013/* The reloc lookup routine must be supplied by each individual COFF
6014 backend. */
6015#ifndef coff_bfd_reloc_type_lookup
6016#define coff_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
6017#endif
157090f7
AM
6018#ifndef coff_bfd_reloc_name_lookup
6019#define coff_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
6020#endif
252b5132
RH
6021
6022#ifndef coff_bfd_get_relocated_section_contents
6023#define coff_bfd_get_relocated_section_contents \
6024 bfd_generic_get_relocated_section_contents
6025#endif
6026
6027#ifndef coff_bfd_relax_section
6028#define coff_bfd_relax_section bfd_generic_relax_section
6029#endif
6030
6031#ifndef coff_bfd_gc_sections
0f088b2a 6032#define coff_bfd_gc_sections bfd_coff_gc_sections
252b5132 6033#endif
c3c89269 6034
ae17ab41
CM
6035#ifndef coff_bfd_lookup_section_flags
6036#define coff_bfd_lookup_section_flags bfd_generic_lookup_section_flags
6037#endif
6038
8550eb6e
JJ
6039#ifndef coff_bfd_merge_sections
6040#define coff_bfd_merge_sections bfd_generic_merge_sections
6041#endif
6042
72adc230
AM
6043#ifndef coff_bfd_is_group_section
6044#define coff_bfd_is_group_section bfd_generic_is_group_section
6045#endif
6046
e61463e1
AM
6047#ifndef coff_bfd_discard_group
6048#define coff_bfd_discard_group bfd_generic_discard_group
6049#endif
6050
082b7297
L
6051#ifndef coff_section_already_linked
6052#define coff_section_already_linked \
c77ec726 6053 _bfd_coff_section_already_linked
082b7297
L
6054#endif
6055
3023e3f6
RS
6056#ifndef coff_bfd_define_common_symbol
6057#define coff_bfd_define_common_symbol bfd_generic_define_common_symbol
6058#endif
6059
3fa78519 6060#define CREATE_BIG_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \
4c117b10
ILT
6061const bfd_target VAR = \
6062{ \
6063 NAME , \
6064 bfd_target_coff_flavour, \
7920ce38
NC
6065 BFD_ENDIAN_BIG, /* Data byte order is big. */ \
6066 BFD_ENDIAN_BIG, /* Header byte order is big. */ \
4c117b10
ILT
6067 /* object flags */ \
6068 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
6069 HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
6070 /* section flags */ \
6071 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\
7920ce38
NC
6072 UNDER, /* Leading symbol underscore. */ \
6073 '/', /* AR_pad_char. */ \
6074 15, /* AR_max_namelen. */ \
0aabe54e 6075 0, /* match priority. */ \
46f2f11d 6076 \
4c117b10
ILT
6077 /* Data conversion functions. */ \
6078 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
6079 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
6080 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
46f2f11d 6081 \
4c117b10
ILT
6082 /* Header conversion functions. */ \
6083 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
6084 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
6085 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
6086 \
7920ce38 6087 /* bfd_check_format. */ \
4c117b10
ILT
6088 { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, \
6089 _bfd_dummy_target }, \
7920ce38 6090 /* bfd_set_format. */ \
4c117b10 6091 { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
7920ce38 6092 /* bfd_write_contents. */ \
4c117b10
ILT
6093 { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, \
6094 bfd_false }, \
6095 \
6096 BFD_JUMP_TABLE_GENERIC (coff), \
6097 BFD_JUMP_TABLE_COPY (coff), \
6098 BFD_JUMP_TABLE_CORE (_bfd_nocore), \
6099 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
6100 BFD_JUMP_TABLE_SYMBOLS (coff), \
6101 BFD_JUMP_TABLE_RELOCS (coff), \
6102 BFD_JUMP_TABLE_WRITE (coff), \
6103 BFD_JUMP_TABLE_LINK (coff), \
6104 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
46f2f11d 6105 \
4c117b10 6106 ALTERNATIVE, \
46f2f11d 6107 \
3fa78519 6108 SWAP_TABLE \
c3c89269
NC
6109};
6110
3fa78519
SS
6111#define CREATE_BIGHDR_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \
6112const bfd_target VAR = \
6113{ \
6114 NAME , \
6115 bfd_target_coff_flavour, \
7920ce38
NC
6116 BFD_ENDIAN_LITTLE, /* Data byte order is little. */ \
6117 BFD_ENDIAN_BIG, /* Header byte order is big. */ \
3fa78519
SS
6118 /* object flags */ \
6119 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
6120 HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
6121 /* section flags */ \
6122 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\
7920ce38
NC
6123 UNDER, /* Leading symbol underscore. */ \
6124 '/', /* AR_pad_char. */ \
6125 15, /* AR_max_namelen. */ \
0aabe54e 6126 0, /* match priority. */ \
46f2f11d 6127 \
3fa78519
SS
6128 /* Data conversion functions. */ \
6129 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
6130 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
6131 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
46f2f11d 6132 \
3fa78519
SS
6133 /* Header conversion functions. */ \
6134 bfd_getb64, bfd_getb_signed_64, bfd_putb64, \
6135 bfd_getb32, bfd_getb_signed_32, bfd_putb32, \
6136 bfd_getb16, bfd_getb_signed_16, bfd_putb16, \
6137 \
7920ce38 6138 /* bfd_check_format. */ \
3fa78519
SS
6139 { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, \
6140 _bfd_dummy_target }, \
7920ce38 6141 /* bfd_set_format. */ \
3fa78519 6142 { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
7920ce38 6143 /* bfd_write_contents. */ \
3fa78519
SS
6144 { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, \
6145 bfd_false }, \
6146 \
6147 BFD_JUMP_TABLE_GENERIC (coff), \
6148 BFD_JUMP_TABLE_COPY (coff), \
6149 BFD_JUMP_TABLE_CORE (_bfd_nocore), \
6150 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
6151 BFD_JUMP_TABLE_SYMBOLS (coff), \
6152 BFD_JUMP_TABLE_RELOCS (coff), \
6153 BFD_JUMP_TABLE_WRITE (coff), \
6154 BFD_JUMP_TABLE_LINK (coff), \
6155 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
46f2f11d 6156 \
3fa78519 6157 ALTERNATIVE, \
46f2f11d 6158 \
3fa78519
SS
6159 SWAP_TABLE \
6160};
6161
6162#define CREATE_LITTLE_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \
4c117b10
ILT
6163const bfd_target VAR = \
6164{ \
6165 NAME , \
6166 bfd_target_coff_flavour, \
7920ce38
NC
6167 BFD_ENDIAN_LITTLE, /* Data byte order is little. */ \
6168 BFD_ENDIAN_LITTLE, /* Header byte order is little. */ \
4c117b10
ILT
6169 /* object flags */ \
6170 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \
6171 HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \
6172 /* section flags */ \
6173 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\
7920ce38
NC
6174 UNDER, /* Leading symbol underscore. */ \
6175 '/', /* AR_pad_char. */ \
6176 15, /* AR_max_namelen. */ \
0aabe54e 6177 0, /* match priority. */ \
4c117b10
ILT
6178 \
6179 /* Data conversion functions. */ \
6180 bfd_getl64, bfd_getl_signed_64, bfd_putl64, \
6181 bfd_getl32, bfd_getl_signed_32, bfd_putl32, \
6182 bfd_getl16, bfd_getl_signed_16, bfd_putl16, \
6183 /* Header conversion functions. */ \
6184 bfd_getl64, bfd_getl_signed_64, bfd_putl64, \
6185 bfd_getl32, bfd_getl_signed_32, bfd_putl32, \
6186 bfd_getl16, bfd_getl_signed_16, bfd_putl16, \
7920ce38 6187 /* bfd_check_format. */ \
4c117b10
ILT
6188 { _bfd_dummy_target, coff_object_p, bfd_generic_archive_p, \
6189 _bfd_dummy_target }, \
7920ce38 6190 /* bfd_set_format. */ \
4c117b10 6191 { bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false }, \
7920ce38 6192 /* bfd_write_contents. */ \
4c117b10
ILT
6193 { bfd_false, coff_write_object_contents, _bfd_write_archive_contents, \
6194 bfd_false }, \
6195 \
6196 BFD_JUMP_TABLE_GENERIC (coff), \
6197 BFD_JUMP_TABLE_COPY (coff), \
6198 BFD_JUMP_TABLE_CORE (_bfd_nocore), \
6199 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \
6200 BFD_JUMP_TABLE_SYMBOLS (coff), \
6201 BFD_JUMP_TABLE_RELOCS (coff), \
6202 BFD_JUMP_TABLE_WRITE (coff), \
6203 BFD_JUMP_TABLE_LINK (coff), \
6204 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \
6205 \
6206 ALTERNATIVE, \
46f2f11d 6207 \
3fa78519 6208 SWAP_TABLE \
c3c89269 6209};
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