1 /* BFD back-end data structures for a.out (and similar) files.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000, 2001, 2002, 2003, 2004, 2005, 2006
4 Free Software Foundation, Inc.
5 Written by Cygnus Support.
7 This file is part of BFD, the Binary File Descriptor library.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
26 /* We try to encapsulate the differences in the various a.out file
27 variants in a few routines, and otherwise share large masses of code.
28 This means we only have to fix bugs in one place, most of the time. */
32 /* Macros for accessing components in an aout header. */
34 #define H_PUT_64 bfd_h_put_64
35 #define H_PUT_32 bfd_h_put_32
36 #define H_PUT_16 bfd_h_put_16
37 #define H_PUT_8 bfd_h_put_8
38 #define H_PUT_S64 bfd_h_put_signed_64
39 #define H_PUT_S32 bfd_h_put_signed_32
40 #define H_PUT_S16 bfd_h_put_signed_16
41 #define H_PUT_S8 bfd_h_put_signed_8
42 #define H_GET_64 bfd_h_get_64
43 #define H_GET_32 bfd_h_get_32
44 #define H_GET_16 bfd_h_get_16
45 #define H_GET_8 bfd_h_get_8
46 #define H_GET_S64 bfd_h_get_signed_64
47 #define H_GET_S32 bfd_h_get_signed_32
48 #define H_GET_S16 bfd_h_get_signed_16
49 #define H_GET_S8 bfd_h_get_signed_8
51 /* Parameterize the a.out code based on whether it is being built
52 for a 32-bit architecture or a 64-bit architecture. */
53 /* Do not "beautify" the CONCAT* macro args. Traditional C will not
54 remove whitespace added here, and thus will fail to concatenate
57 #define GET_WORD H_GET_64
58 #define GET_SWORD H_GET_S64
59 #define GET_MAGIC H_GET_32
60 #define PUT_WORD H_PUT_64
61 #define PUT_MAGIC H_PUT_32
63 #define NAME(x,y) CONCAT3 (x,_64_,y)
65 #define JNAME(x) CONCAT2 (x,_64)
66 #define BYTES_IN_WORD 8
69 #define GET_WORD H_GET_16
70 #define GET_SWORD H_GET_S16
71 #define GET_MAGIC H_GET_16
72 #define PUT_WORD H_PUT_16
73 #define PUT_MAGIC H_PUT_16
75 #define NAME(x,y) CONCAT3 (x,_16_,y)
77 #define JNAME(x) CONCAT2 (x,_16)
78 #define BYTES_IN_WORD 2
79 #else /* ARCH_SIZE == 32 */
80 #define GET_WORD H_GET_32
81 #define GET_SWORD H_GET_S32
82 #define GET_MAGIC H_GET_32
83 #define PUT_WORD H_PUT_32
84 #define PUT_MAGIC H_PUT_32
86 #define NAME(x,y) CONCAT3 (x,_32_,y)
88 #define JNAME(x) CONCAT2 (x,_32)
89 #define BYTES_IN_WORD 4
90 #endif /* ARCH_SIZE==32 */
91 #endif /* ARCH_SIZE==64 */
93 /* Declare at file level, since used in parameter lists, which have
96 struct external_nlist;
97 struct reloc_ext_external;
98 struct reloc_std_external;
100 /* a.out backend linker hash table entries. */
102 struct aout_link_hash_entry
104 struct bfd_link_hash_entry root;
105 /* Whether this symbol has been written out. */
107 /* Symbol index in output file. */
111 /* a.out backend linker hash table. */
113 struct aout_link_hash_table
115 struct bfd_link_hash_table root;
118 /* Look up an entry in an a.out link hash table. */
120 #define aout_link_hash_lookup(table, string, create, copy, follow) \
121 ((struct aout_link_hash_entry *) \
122 bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
124 /* Traverse an a.out link hash table. */
126 #define aout_link_hash_traverse(table, func, info) \
127 (bfd_link_hash_traverse \
129 (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
132 /* Get the a.out link hash table from the info structure. This is
135 #define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash))
137 /* Back-end information for various a.out targets. */
138 struct aout_backend_data
140 /* Are ZMAGIC files mapped contiguously? If so, the text section may
141 need more padding, if the segment size (granularity for memory access
142 control) is larger than the page size. */
143 unsigned char zmagic_mapped_contiguous;
144 /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
145 text section, which starts immediately after the file header.
146 If not, the text section starts on the next page. */
147 unsigned char text_includes_header;
149 /* If this flag is set, then if the entry address is not in the
150 first SEGMENT_SIZE bytes of the text section, it is taken to be
151 the address of the start of the text section. This can be useful
153 unsigned char entry_is_text_address;
155 /* The value to pass to N_SET_FLAGS. */
156 unsigned char exec_hdr_flags;
158 /* If the text section VMA isn't specified, and we need an absolute
159 address, use this as the default. If we're producing a relocatable
160 file, zero is always used. */
161 /* ?? Perhaps a callback would be a better choice? Will this do anything
162 reasonable for a format that handles multiple CPUs with different
163 load addresses for each? */
164 bfd_vma default_text_vma;
166 /* Callback for setting the page and segment sizes, if they can't be
167 trivially determined from the architecture. */
168 bfd_boolean (*set_sizes) (bfd *);
170 /* zmagic files only. For go32, the length of the exec header contributes
171 to the size of the text section in the file for alignment purposes but
172 does *not* get counted in the length of the text section. */
173 unsigned char exec_header_not_counted;
175 /* Callback from the add symbols phase of the linker code to handle
177 bfd_boolean (*add_dynamic_symbols)
178 (bfd *, struct bfd_link_info *, struct external_nlist **,
179 bfd_size_type *, char **);
181 /* Callback from the add symbols phase of the linker code to handle
182 adding a single symbol to the global linker hash table. */
183 bfd_boolean (*add_one_symbol)
184 (struct bfd_link_info *, bfd *, const char *, flagword,
185 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean,
186 struct bfd_link_hash_entry **);
188 /* Called to handle linking a dynamic object. */
189 bfd_boolean (*link_dynamic_object)
190 (struct bfd_link_info *, bfd *);
192 /* Called for each global symbol being written out by the linker.
193 This should write out the dynamic symbol information. */
194 bfd_boolean (*write_dynamic_symbol)
195 (bfd *, struct bfd_link_info *, struct aout_link_hash_entry *);
197 /* If this callback is not NULL, the linker calls it for each reloc.
198 RELOC is a pointer to the unswapped reloc. If *SKIP is set to
199 TRUE, the reloc will be skipped. *RELOCATION may be changed to
200 change the effects of the relocation. */
201 bfd_boolean (*check_dynamic_reloc)
202 (struct bfd_link_info *info, bfd *input_bfd,
203 asection *input_section, struct aout_link_hash_entry *h,
204 void * reloc, bfd_byte *contents, bfd_boolean *skip,
205 bfd_vma *relocation);
207 /* Called at the end of a link to finish up any dynamic linking
209 bfd_boolean (*finish_dynamic_link) (bfd *, struct bfd_link_info *);
211 #define aout_backend_info(abfd) \
212 ((const struct aout_backend_data *)((abfd)->xvec->backend_data))
214 /* This is the layout in memory of a "struct exec" while we process it.
215 All 'lengths' are given as a number of bytes.
216 All 'alignments' are for relinkable files only; an alignment of
217 'n' indicates the corresponding segment must begin at an
218 address that is a multiple of (2**n). */
222 long a_info; /* Magic number and flags, packed. */
223 bfd_vma a_text; /* Length of text, in bytes. */
224 bfd_vma a_data; /* Length of data, in bytes. */
225 bfd_vma a_bss; /* Length of uninitialized data area in mem. */
226 bfd_vma a_syms; /* Length of symbol table data in file. */
227 bfd_vma a_entry; /* Start address. */
228 bfd_vma a_trsize; /* Length of text's relocation info, in bytes. */
229 bfd_vma a_drsize; /* Length of data's relocation info, in bytes. */
231 bfd_vma a_tload; /* Text runtime load address. */
232 bfd_vma a_dload; /* Data runtime load address. */
233 unsigned char a_talign; /* Alignment of text segment. */
234 unsigned char a_dalign; /* Alignment of data segment. */
235 unsigned char a_balign; /* Alignment of bss segment. */
236 char a_relaxable; /* Enough info for linker relax. */
239 /* Magic number is written
241 3130292827262524232221201918171615141312111009080706050403020100
242 < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > */
244 /* Magic number for NetBSD is
246 3130292827262524232221201918171615141312111009080706050403020100
247 < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > */
255 /* Skip a bunch so we don't run into any of SUN's numbers. */
256 /* Make these up for the ns32k. */
257 M_NS32032 = (64), /* NS32032 running ? */
258 M_NS32532 = (64 + 5), /* NS32532 running mach. */
260 M_29K = 101, /* AMD 29000. */
261 M_386_DYNIX = 102, /* Sequent running dynix. */
262 M_ARM = 103, /* Advanced Risc Machines ARM. */
263 M_SPARCLET = 131, /* SPARClet = M_SPARC + 128. */
264 M_386_NETBSD = 134, /* NetBSD/i386 binary. */
265 M_68K_NETBSD = 135, /* NetBSD/m68k binary. */
266 M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary. */
267 M_532_NETBSD = 137, /* NetBSD/ns32k binary. */
268 M_SPARC_NETBSD = 138, /* NetBSD/sparc binary. */
269 M_PMAX_NETBSD = 139, /* NetBSD/pmax (MIPS little-endian) binary. */
270 M_VAX_NETBSD = 140, /* NetBSD/vax binary. */
271 M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary. */
272 M_ARM6_NETBSD = 143, /* NetBSD/arm32 binary. */
273 M_SPARCLET_1 = 147, /* 0x93, reserved. */
274 M_POWERPC_NETBSD = 149, /* NetBSD/powerpc (big-endian) binary. */
275 M_VAX4K_NETBSD = 150, /* NetBSD/vax 4K pages binary. */
276 M_MIPS1 = 151, /* MIPS R2000/R3000 binary. */
277 M_MIPS2 = 152, /* MIPS R4000/R6000 binary. */
278 M_88K_OPENBSD = 153, /* OpenBSD/m88k binary. */
279 M_HPPA_OPENBSD = 154, /* OpenBSD/hppa binary. */
280 M_SPARC64_NETBSD = 156, /* NetBSD/sparc64 binary. */
281 M_X86_64_NETBSD = 157, /* NetBSD/amd64 binary. */
282 M_SPARCLET_2 = 163, /* 0xa3, reserved. */
283 M_SPARCLET_3 = 179, /* 0xb3, reserved. */
284 M_SPARCLET_4 = 195, /* 0xc3, reserved. */
285 M_HP200 = 200, /* HP 200 (68010) BSD binary. */
286 M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary. */
287 M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary. */
288 M_SPARCLET_5 = 211, /* 0xd3, reserved. */
289 M_SPARCLET_6 = 227, /* 0xe3, reserved. */
290 /*M_SPARCLET_7 = 243 / * 0xf3, reserved. */
291 M_SPARCLITE_LE = 243,
292 M_CRIS = 255 /* Axis CRIS binary. */
295 #define N_DYNAMIC(exec) ((exec).a_info & 0x80000000)
298 # define N_MAGIC(exec) ((exec).a_info & 0xffff)
302 # define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
306 # define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
310 # define N_SET_INFO(exec, magic, type, flags) \
311 ((exec).a_info = ((magic) & 0xffff) \
312 | (((int)(type) & 0xff) << 16) \
313 | (((flags) & 0xff) << 24))
316 #ifndef N_SET_DYNAMIC
317 # define N_SET_DYNAMIC(exec, dynamic) \
318 ((exec).a_info = (dynamic) ? (long) ((exec).a_info | 0x80000000) : \
319 ((exec).a_info & 0x7fffffff))
323 # define N_SET_MAGIC(exec, magic) \
324 ((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))
327 #ifndef N_SET_MACHTYPE
328 # define N_SET_MACHTYPE(exec, machtype) \
330 ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
334 # define N_SET_FLAGS(exec, flags) \
336 ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
339 typedef struct aout_symbol
347 /* The `tdata' struct for all a.out-like object file formats.
348 Various things depend on this struct being around any time an a.out
349 file is being handled. An example is dbxread.c in GDB. */
353 struct internal_exec *hdr; /* Exec file header. */
354 aout_symbol_type *symbols; /* Symtab for input bfd. */
356 /* For ease, we do this. */
361 /* We remember these offsets so that after check_file_format, we have
362 no dependencies on the particular format of the exec_hdr. */
363 file_ptr sym_filepos;
364 file_ptr str_filepos;
366 /* Size of a relocation entry in external form. */
367 unsigned reloc_entry_size;
369 /* Size of a symbol table entry in external form. */
370 unsigned symbol_entry_size;
372 /* Page size - needed for alignment of demand paged files. */
373 unsigned long page_size;
375 /* Segment size - needed for alignment of demand paged files. */
376 unsigned long segment_size;
378 /* Zmagic disk block size - need to align the start of the text
379 section in ZMAGIC binaries. Normally the same as page_size. */
380 unsigned long zmagic_disk_block_size;
382 unsigned exec_bytes_size;
383 unsigned vma_adjusted : 1;
385 /* Used when a bfd supports several highly similar formats. */
389 /* Used on HP 9000/300 running HP/UX. See hp300hpux.c. */
391 /* Used on Linux, 386BSD, etc. See include/aout/aout64.h. */
403 /* A buffer for find_nearest_line. */
406 /* The external symbol information. */
407 struct external_nlist *external_syms;
408 bfd_size_type external_sym_count;
409 bfd_window sym_window;
410 char *external_strings;
411 bfd_size_type external_string_size;
412 bfd_window string_window;
413 struct aout_link_hash_entry **sym_hashes;
415 /* A pointer for shared library information. */
418 /* A mapping from local symbols to offsets into the global offset
419 table, used when linking on SunOS. This is indexed by the symbol
421 bfd_vma *local_got_offsets;
424 struct aout_data_struct
427 struct internal_exec e;
430 #define adata(bfd) ((bfd)->tdata.aout_data->a)
431 #define exec_hdr(bfd) (adata (bfd).hdr)
432 #define obj_aout_symbols(bfd) (adata (bfd).symbols)
433 #define obj_textsec(bfd) (adata (bfd).textsec)
434 #define obj_datasec(bfd) (adata (bfd).datasec)
435 #define obj_bsssec(bfd) (adata (bfd).bsssec)
436 #define obj_sym_filepos(bfd) (adata (bfd).sym_filepos)
437 #define obj_str_filepos(bfd) (adata (bfd).str_filepos)
438 #define obj_reloc_entry_size(bfd) (adata (bfd).reloc_entry_size)
439 #define obj_symbol_entry_size(bfd) (adata (bfd).symbol_entry_size)
440 #define obj_aout_subformat(bfd) (adata (bfd).subformat)
441 #define obj_aout_external_syms(bfd) (adata (bfd).external_syms)
442 #define obj_aout_external_sym_count(bfd) (adata (bfd).external_sym_count)
443 #define obj_aout_sym_window(bfd) (adata (bfd).sym_window)
444 #define obj_aout_external_strings(bfd) (adata (bfd).external_strings)
445 #define obj_aout_external_string_size(bfd) (adata (bfd).external_string_size)
446 #define obj_aout_string_window(bfd) (adata (bfd).string_window)
447 #define obj_aout_sym_hashes(bfd) (adata (bfd).sym_hashes)
448 #define obj_aout_dynamic_info(bfd) (adata (bfd).dynamic_info)
450 /* We take the address of the first element of an asymbol to ensure that the
451 macro is only ever applied to an asymbol. */
452 #define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
454 /* Information we keep for each a.out section. This is currently only
455 used by the a.out backend linker. */
457 struct aout_section_data_struct
459 /* The unswapped relocation entries for this section. */
463 #define aout_section_data(s) \
464 ((struct aout_section_data_struct *) (s)->used_by_bfd)
466 #define set_aout_section_data(s,v) \
467 ((s)->used_by_bfd = (void *)&(v)->relocs)
469 /* Prototype declarations for functions defined in aoutx.h. */
471 extern bfd_boolean NAME (aout, squirt_out_relocs)
474 extern bfd_boolean NAME (aout, make_sections)
477 extern const bfd_target * NAME (aout, some_aout_object_p)
478 (bfd *, struct internal_exec *, const bfd_target *(*) (bfd *));
480 extern bfd_boolean NAME (aout, mkobject)
483 extern enum machine_type NAME (aout, machine_type)
484 (enum bfd_architecture, unsigned long, bfd_boolean *);
486 extern bfd_boolean NAME (aout, set_arch_mach)
487 (bfd *, enum bfd_architecture, unsigned long);
489 extern bfd_boolean NAME (aout, new_section_hook)
492 extern bfd_boolean NAME (aout, set_section_contents)
493 (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type);
495 extern asymbol * NAME (aout, make_empty_symbol)
498 extern bfd_boolean NAME (aout, translate_symbol_table)
499 (bfd *, aout_symbol_type *, struct external_nlist *, bfd_size_type,
500 char *, bfd_size_type, bfd_boolean);
502 extern bfd_boolean NAME (aout, slurp_symbol_table)
505 extern bfd_boolean NAME (aout, write_syms)
508 extern void NAME (aout, reclaim_symbol_table)
511 extern long NAME (aout, get_symtab_upper_bound)
514 extern long NAME (aout, canonicalize_symtab)
517 extern void NAME (aout, swap_ext_reloc_in)
518 (bfd *, struct reloc_ext_external *, arelent *, asymbol **,
521 extern void NAME (aout, swap_std_reloc_in)
522 (bfd *, struct reloc_std_external *, arelent *, asymbol **,
525 extern reloc_howto_type * NAME (aout, reloc_type_lookup)
526 (bfd *, bfd_reloc_code_real_type);
528 extern bfd_boolean NAME (aout, slurp_reloc_table)
529 (bfd *, sec_ptr, asymbol **);
531 extern long NAME (aout, canonicalize_reloc)
532 (bfd *, sec_ptr, arelent **, asymbol **);
534 extern long NAME (aout, get_reloc_upper_bound)
537 extern void NAME (aout, reclaim_reloc)
540 extern alent * NAME (aout, get_lineno)
543 extern void NAME (aout, print_symbol)
544 (bfd *, void *, asymbol *, bfd_print_symbol_type);
546 extern void NAME (aout, get_symbol_info)
547 (bfd *, asymbol *, symbol_info *);
549 extern bfd_boolean NAME (aout, find_nearest_line)
550 (bfd *, asection *, asymbol **, bfd_vma, const char **,
551 const char **, unsigned int *);
553 extern long NAME (aout, read_minisymbols)
554 (bfd *, bfd_boolean, void * *, unsigned int *);
556 extern asymbol * NAME (aout, minisymbol_to_symbol)
557 (bfd *, bfd_boolean, const void *, asymbol *);
559 extern int NAME (aout, sizeof_headers)
560 (bfd *, bfd_boolean);
562 extern bfd_boolean NAME (aout, adjust_sizes_and_vmas)
563 (bfd *, bfd_size_type *, file_ptr *);
565 extern void NAME (aout, swap_exec_header_in)
566 (bfd *, struct external_exec *, struct internal_exec *);
568 extern void NAME (aout, swap_exec_header_out)
569 (bfd *, struct internal_exec *, struct external_exec *);
571 extern struct bfd_hash_entry * NAME (aout, link_hash_newfunc)
572 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
574 extern bfd_boolean NAME (aout, link_hash_table_init)
575 (struct aout_link_hash_table *, bfd *,
576 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
577 struct bfd_hash_table *,
581 extern struct bfd_link_hash_table * NAME (aout, link_hash_table_create)
584 extern bfd_boolean NAME (aout, link_add_symbols)
585 (bfd *, struct bfd_link_info *);
587 extern bfd_boolean NAME (aout, final_link)
588 (bfd *, struct bfd_link_info *,
589 void (*) (bfd *, file_ptr *, file_ptr *, file_ptr *));
591 extern bfd_boolean NAME (aout, bfd_free_cached_info)
594 #define aout_32_find_inliner_info _bfd_nosymbols_find_inliner_info
595 #if 0 /* Are these needed? */
596 #define aout_16_find_inliner_info _bfd_nosymbols_find_inliner_info
597 #define aout_64_find_inliner_info _bfd_nosymbols_find_inliner_info
600 /* A.out uses the generic versions of these routines... */
602 #define aout_16_get_section_contents _bfd_generic_get_section_contents
604 #define aout_32_get_section_contents _bfd_generic_get_section_contents
606 #define aout_64_get_section_contents _bfd_generic_get_section_contents
607 #ifndef NO_WRITE_HEADER_KLUDGE
608 #define NO_WRITE_HEADER_KLUDGE 0
611 #ifndef aout_32_bfd_is_local_label_name
612 #define aout_32_bfd_is_local_label_name bfd_generic_is_local_label_name
615 #ifndef aout_32_bfd_is_target_special_symbol
616 #define aout_32_bfd_is_target_special_symbol \
617 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
620 #ifndef WRITE_HEADERS
621 #define WRITE_HEADERS(abfd, execp) \
623 bfd_size_type text_size; /* Dummy vars. */ \
626 if (adata(abfd).magic == undecided_magic) \
627 NAME (aout, adjust_sizes_and_vmas) (abfd, & text_size, & text_end); \
629 execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
630 execp->a_entry = bfd_get_start_address (abfd); \
632 execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
633 obj_reloc_entry_size (abfd)); \
634 execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
635 obj_reloc_entry_size (abfd)); \
636 NAME (aout, swap_exec_header_out) (abfd, execp, & exec_bytes); \
638 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 \
639 || bfd_bwrite (& exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, \
640 abfd) != EXEC_BYTES_SIZE) \
642 /* Now write out reloc info, followed by syms and strings. */ \
644 if (bfd_get_outsymbols (abfd) != NULL \
645 && bfd_get_symcount (abfd) != 0) \
647 if (bfd_seek (abfd, (file_ptr) (N_SYMOFF(*execp)), SEEK_SET) != 0)\
650 if (! NAME (aout, write_syms) (abfd)) \
654 if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (*execp)), SEEK_SET) != 0) \
656 if (!NAME (aout, squirt_out_relocs) (abfd, obj_textsec (abfd))) \
659 if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (*execp)), SEEK_SET) != 0) \
661 if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd))) \
666 /* Test if a read-only section can be merged with .text. This is
669 1. Section has file contents and is read-only.
670 2. The VMA of the section is after the end of .text and before
672 3. The image is demand-pageable (otherwise, a_text in the header
673 will not reflect the gap between .text and .data). */
675 #define aout_section_merge_with_text_p(abfd, sec) \
676 (((sec)->flags & (SEC_HAS_CONTENTS | SEC_READONLY)) == \
677 (SEC_HAS_CONTENTS | SEC_READONLY) \
678 && obj_textsec (abfd) != NULL \
679 && obj_datasec (abfd) != NULL \
680 && (sec)->vma >= (obj_textsec (abfd)->vma + \
681 obj_textsec (abfd)->size) \
682 && ((sec)->vma + (sec)->size) <= obj_datasec (abfd)->vma \
683 && ((abfd)->flags & D_PAGED) != 0)
685 #endif /* ! defined (LIBAOUT_H) */