1 /* BFD back-end data structures for a.out (and similar) files.
2 Copyright (C) 1990-2019 Free Software Foundation, Inc.
3 Written by Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
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
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
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.
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
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
25 /* We try to encapsulate the differences in the various a.out file
26 variants in a few routines, and otherwise share large masses of code.
27 This means we only have to fix bugs in one place, most of the time. */
31 /* Macros for accessing components in an aout header. */
33 #define H_PUT_64 bfd_h_put_64
34 #define H_PUT_32 bfd_h_put_32
35 #define H_PUT_16 bfd_h_put_16
36 #define H_PUT_8 bfd_h_put_8
37 #define H_PUT_S64 bfd_h_put_signed_64
38 #define H_PUT_S32 bfd_h_put_signed_32
39 #define H_PUT_S16 bfd_h_put_signed_16
40 #define H_PUT_S8 bfd_h_put_signed_8
41 #define H_GET_64 bfd_h_get_64
42 #define H_GET_32 bfd_h_get_32
43 #define H_GET_16 bfd_h_get_16
44 #define H_GET_8 bfd_h_get_8
45 #define H_GET_S64 bfd_h_get_signed_64
46 #define H_GET_S32 bfd_h_get_signed_32
47 #define H_GET_S16 bfd_h_get_signed_16
48 #define H_GET_S8 bfd_h_get_signed_8
50 /* Parameterize the a.out code based on whether it is being built
51 for a 32-bit architecture or a 64-bit architecture. */
52 /* Do not "beautify" the CONCAT* macro args. Traditional C will not
53 remove whitespace added here, and thus will fail to concatenate
56 #define GET_WORD H_GET_64
57 #define GET_SWORD H_GET_S64
58 #define GET_MAGIC H_GET_32
59 #define PUT_WORD H_PUT_64
60 #define PUT_MAGIC H_PUT_32
62 #define NAME(x,y) CONCAT3 (x,_64_,y)
64 #define JNAME(x) CONCAT2 (x,_64)
65 #define BYTES_IN_WORD 8
68 #define GET_WORD H_GET_16
69 #define GET_SWORD H_GET_S16
70 #define GET_MAGIC H_GET_16
71 #define PUT_WORD H_PUT_16
72 #define PUT_MAGIC H_PUT_16
74 #define NAME(x,y) CONCAT3 (x,_16_,y)
76 #define JNAME(x) CONCAT2 (x,_16)
77 #define BYTES_IN_WORD 2
78 #else /* ARCH_SIZE == 32 */
79 #define GET_WORD H_GET_32
80 #define GET_SWORD H_GET_S32
81 #define GET_MAGIC H_GET_32
82 #define PUT_WORD H_PUT_32
83 #define PUT_MAGIC H_PUT_32
85 #define NAME(x,y) CONCAT3 (x,_32_,y)
87 #define JNAME(x) CONCAT2 (x,_32)
88 #define BYTES_IN_WORD 4
89 #endif /* ARCH_SIZE==32 */
90 #endif /* ARCH_SIZE==64 */
92 /* Declare at file level, since used in parameter lists, which have
95 struct external_nlist;
96 struct reloc_ext_external;
97 struct reloc_std_external;
99 /* a.out backend linker hash table entries. */
101 struct aout_link_hash_entry
103 struct bfd_link_hash_entry root;
104 /* Whether this symbol has been written out. */
106 /* Symbol index in output file. */
110 /* a.out backend linker hash table. */
112 struct aout_link_hash_table
114 struct bfd_link_hash_table root;
117 /* Look up an entry in an a.out link hash table. */
119 #define aout_link_hash_lookup(table, string, create, copy, follow) \
120 ((struct aout_link_hash_entry *) \
121 bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
123 /* Traverse an a.out link hash table. */
125 #define aout_link_hash_traverse(table, func, info) \
126 (bfd_link_hash_traverse \
128 (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
131 /* Get the a.out link hash table from the info structure. This is
134 #define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash))
136 /* Back-end information for various a.out targets. */
137 struct aout_backend_data
139 /* Are ZMAGIC files mapped contiguously? If so, the text section may
140 need more padding, if the segment size (granularity for memory access
141 control) is larger than the page size. */
142 unsigned char zmagic_mapped_contiguous;
143 /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
144 text section, which starts immediately after the file header.
145 If not, the text section starts on the next page. */
146 unsigned char text_includes_header;
148 /* If this flag is set, then if the entry address is not in the
149 first SEGMENT_SIZE bytes of the text section, it is taken to be
150 the address of the start of the text section. This can be useful
152 unsigned char entry_is_text_address;
154 /* The value to pass to N_SET_FLAGS. */
155 unsigned char exec_hdr_flags;
157 /* If the text section VMA isn't specified, and we need an absolute
158 address, use this as the default. If we're producing a relocatable
159 file, zero is always used. */
160 /* ?? Perhaps a callback would be a better choice? Will this do anything
161 reasonable for a format that handles multiple CPUs with different
162 load addresses for each? */
163 bfd_vma default_text_vma;
165 /* Callback for setting the page and segment sizes, if they can't be
166 trivially determined from the architecture. */
167 bfd_boolean (*set_sizes) (bfd *);
169 /* zmagic files only. For go32, the length of the exec header contributes
170 to the size of the text section in the file for alignment purposes but
171 does *not* get counted in the length of the text section. */
172 unsigned char exec_header_not_counted;
174 /* Callback from the add symbols phase of the linker code to handle
176 bfd_boolean (*add_dynamic_symbols)
177 (bfd *, struct bfd_link_info *, struct external_nlist **,
178 bfd_size_type *, char **);
180 /* Callback from the add symbols phase of the linker code to handle
181 adding a single symbol to the global linker hash table. */
182 bfd_boolean (*add_one_symbol)
183 (struct bfd_link_info *, bfd *, const char *, flagword,
184 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean,
185 struct bfd_link_hash_entry **);
187 /* Called to handle linking a dynamic object. */
188 bfd_boolean (*link_dynamic_object)
189 (struct bfd_link_info *, bfd *);
191 /* Called for each global symbol being written out by the linker.
192 This should write out the dynamic symbol information. */
193 bfd_boolean (*write_dynamic_symbol)
194 (bfd *, struct bfd_link_info *, struct aout_link_hash_entry *);
196 /* If this callback is not NULL, the linker calls it for each reloc.
197 RELOC is a pointer to the unswapped reloc. If *SKIP is set to
198 TRUE, the reloc will be skipped. *RELOCATION may be changed to
199 change the effects of the relocation. */
200 bfd_boolean (*check_dynamic_reloc)
201 (struct bfd_link_info *info, bfd *input_bfd,
202 asection *input_section, struct aout_link_hash_entry *h,
203 void * reloc, bfd_byte *contents, bfd_boolean *skip,
204 bfd_vma *relocation);
206 /* Called at the end of a link to finish up any dynamic linking
208 bfd_boolean (*finish_dynamic_link) (bfd *, struct bfd_link_info *);
210 #define aout_backend_info(abfd) \
211 ((const struct aout_backend_data *)((abfd)->xvec->backend_data))
213 /* This is the layout in memory of a "struct exec" while we process it.
214 All 'lengths' are given as a number of bytes.
215 All 'alignments' are for relinkable files only; an alignment of
216 'n' indicates the corresponding segment must begin at an
217 address that is a multiple of (2**n). */
221 long a_info; /* Magic number and flags, packed. */
222 bfd_vma a_text; /* Length of text, in bytes. */
223 bfd_vma a_data; /* Length of data, in bytes. */
224 bfd_vma a_bss; /* Length of uninitialized data area in mem. */
225 bfd_vma a_syms; /* Length of symbol table data in file. */
226 bfd_vma a_entry; /* Start address. */
227 bfd_vma a_trsize; /* Length of text's relocation info, in bytes. */
228 bfd_vma a_drsize; /* Length of data's relocation info, in bytes. */
230 bfd_vma a_tload; /* Text runtime load address. */
231 bfd_vma a_dload; /* Data runtime load address. */
232 unsigned char a_talign; /* Alignment of text segment. */
233 unsigned char a_dalign; /* Alignment of data segment. */
234 unsigned char a_balign; /* Alignment of bss segment. */
235 char a_relaxable; /* Enough info for linker relax. */
238 /* Magic number is written
240 3130292827262524232221201918171615141312111009080706050403020100
241 < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > */
243 /* Magic number for NetBSD is
245 3130292827262524232221201918171615141312111009080706050403020100
246 < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > */
254 /* Skip a bunch so we don't run into any of SUN's numbers. */
255 /* Make these up for the ns32k. */
256 M_NS32032 = (64), /* NS32032 running ? */
257 M_NS32532 = (64 + 5), /* NS32532 running mach. */
259 M_29K = 101, /* AMD 29000. */
260 M_386_DYNIX = 102, /* Sequent running dynix. */
261 M_ARM = 103, /* Advanced Risc Machines ARM. */
262 M_SPARCLET = 131, /* SPARClet = M_SPARC + 128. */
263 M_386_NETBSD = 134, /* NetBSD/i386 binary. */
264 M_68K_NETBSD = 135, /* NetBSD/m68k binary. */
265 M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary. */
266 M_532_NETBSD = 137, /* NetBSD/ns32k binary. */
267 M_SPARC_NETBSD = 138, /* NetBSD/sparc binary. */
268 M_PMAX_NETBSD = 139, /* NetBSD/pmax (MIPS little-endian) binary. */
269 M_VAX_NETBSD = 140, /* NetBSD/vax binary. */
270 M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary. */
271 M_ARM6_NETBSD = 143, /* NetBSD/arm32 binary. */
272 M_SPARCLET_1 = 147, /* 0x93, reserved. */
273 M_POWERPC_NETBSD = 149, /* NetBSD/powerpc (big-endian) binary. */
274 M_VAX4K_NETBSD = 150, /* NetBSD/vax 4K pages binary. */
275 M_MIPS1 = 151, /* MIPS R2000/R3000 binary. */
276 M_MIPS2 = 152, /* MIPS R4000/R6000 binary. */
277 M_88K_OPENBSD = 153, /* OpenBSD/m88k binary. */
278 M_HPPA_OPENBSD = 154, /* OpenBSD/hppa binary. */
279 M_SPARC64_NETBSD = 156, /* NetBSD/sparc64 binary. */
280 M_X86_64_NETBSD = 157, /* NetBSD/amd64 binary. */
281 M_SPARCLET_2 = 163, /* 0xa3, reserved. */
282 M_SPARCLET_3 = 179, /* 0xb3, reserved. */
283 M_SPARCLET_4 = 195, /* 0xc3, reserved. */
284 M_HP200 = 200, /* HP 200 (68010) BSD binary. */
285 M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary. */
286 M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary. */
287 M_SPARCLET_5 = 211, /* 0xd3, reserved. */
288 M_SPARCLET_6 = 227, /* 0xe3, reserved. */
289 /*M_SPARCLET_7 = 243 / * 0xf3, reserved. */
290 M_SPARCLITE_LE = 243,
291 M_CRIS = 255 /* Axis CRIS binary. */
294 #define N_DYNAMIC(execp) ((execp)->a_info & 0x80000000)
297 # define N_MAGIC(execp) ((execp)->a_info & 0xffff)
301 # define N_MACHTYPE(execp) ((enum machine_type)(((execp)->a_info >> 16) & 0xff))
305 # define N_FLAGS(execp) (((execp)->a_info >> 24) & 0xff)
309 # define N_SET_INFO(execp, magic, type, flags) \
310 ((execp)->a_info = ((magic) & 0xffff) \
311 | (((int)(type) & 0xff) << 16) \
312 | (((flags) & 0xff) << 24))
315 #ifndef N_SET_DYNAMIC
316 # define N_SET_DYNAMIC(execp, dynamic) \
317 ((execp)->a_info = (dynamic) ? (long) ((execp)->a_info | 0x80000000) : \
318 ((execp)->a_info & 0x7fffffff))
322 # define N_SET_MAGIC(execp, magic) \
323 ((execp)->a_info = (((execp)->a_info & 0xffff0000) | ((magic) & 0xffff)))
326 #ifndef N_SET_MACHTYPE
327 # define N_SET_MACHTYPE(execp, machtype) \
329 ((execp)->a_info & 0xff00ffff) | ((((int) (machtype)) &0xff) << 16))
333 # define N_SET_FLAGS(execp, flags) \
335 ((execp)->a_info & 0x00ffffff) | (((flags) & 0xff) << 24))
338 typedef struct aout_symbol
346 /* The `tdata' struct for all a.out-like object file formats.
347 Various things depend on this struct being around any time an a.out
348 file is being handled. An example is dbxread.c in GDB. */
350 enum aout_subformat {
352 /* Used on HP 9000/300 running HP/UX. */
354 /* Used on Linux, 386BSD, etc. See include/aout/aout64.h. */
367 struct internal_exec *hdr; /* Exec file header. */
368 aout_symbol_type *symbols; /* Symtab for input bfd. */
370 /* For ease, we do this. */
375 /* We remember these offsets so that after check_file_format, we have
376 no dependencies on the particular format of the exec_hdr. */
377 file_ptr sym_filepos;
378 file_ptr str_filepos;
380 /* Size of a relocation entry in external form. */
381 unsigned reloc_entry_size;
383 /* Size of a symbol table entry in external form. */
384 unsigned symbol_entry_size;
386 /* Page size - needed for alignment of demand paged files. */
387 unsigned long page_size;
389 /* Segment size - needed for alignment of demand paged files. */
390 unsigned long segment_size;
392 /* Zmagic disk block size - need to align the start of the text
393 section in ZMAGIC binaries. Normally the same as page_size. */
394 unsigned long zmagic_disk_block_size;
396 unsigned exec_bytes_size;
397 unsigned vma_adjusted : 1;
399 /* Used when a bfd supports several highly similar formats. */
400 enum aout_subformat subformat;
402 enum aout_magic magic;
404 /* A buffer for find_nearest_line. */
407 /* The external symbol information. */
408 struct external_nlist *external_syms;
409 bfd_size_type external_sym_count;
410 bfd_window sym_window;
411 char *external_strings;
412 bfd_size_type external_string_size;
413 bfd_window string_window;
414 struct aout_link_hash_entry **sym_hashes;
416 /* A pointer for shared library information. */
419 /* A mapping from local symbols to offsets into the global offset
420 table, used when linking on SunOS. This is indexed by the symbol
422 bfd_vma *local_got_offsets;
425 struct aout_data_struct
428 struct internal_exec e;
431 #define adata(bfd) ((bfd)->tdata.aout_data->a)
432 #define exec_hdr(bfd) (adata (bfd).hdr)
433 #define obj_aout_symbols(bfd) (adata (bfd).symbols)
434 #define obj_textsec(bfd) (adata (bfd).textsec)
435 #define obj_datasec(bfd) (adata (bfd).datasec)
436 #define obj_bsssec(bfd) (adata (bfd).bsssec)
437 #define obj_sym_filepos(bfd) (adata (bfd).sym_filepos)
438 #define obj_str_filepos(bfd) (adata (bfd).str_filepos)
439 #define obj_reloc_entry_size(bfd) (adata (bfd).reloc_entry_size)
440 #define obj_symbol_entry_size(bfd) (adata (bfd).symbol_entry_size)
441 #define obj_aout_subformat(bfd) (adata (bfd).subformat)
442 #define obj_aout_external_syms(bfd) (adata (bfd).external_syms)
443 #define obj_aout_external_sym_count(bfd) (adata (bfd).external_sym_count)
444 #define obj_aout_sym_window(bfd) (adata (bfd).sym_window)
445 #define obj_aout_external_strings(bfd) (adata (bfd).external_strings)
446 #define obj_aout_external_string_size(bfd) (adata (bfd).external_string_size)
447 #define obj_aout_string_window(bfd) (adata (bfd).string_window)
448 #define obj_aout_sym_hashes(bfd) (adata (bfd).sym_hashes)
449 #define obj_aout_dynamic_info(bfd) (adata (bfd).dynamic_info)
451 /* We take the address of the first element of an asymbol to ensure that the
452 macro is only ever applied to an asymbol. */
453 #define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
455 /* Information we keep for each a.out section. This is currently only
456 used by the a.out backend linker. */
458 struct aout_section_data_struct
460 /* The unswapped relocation entries for this section. */
464 #define aout_section_data(s) \
465 ((struct aout_section_data_struct *) (s)->used_by_bfd)
467 #define set_aout_section_data(s,v) \
468 ((s)->used_by_bfd = (void *)&(v)->relocs)
470 /* Prototype declarations for functions defined in aoutx.h. */
472 extern bfd_boolean NAME (aout, squirt_out_relocs)
475 extern bfd_boolean NAME (aout, make_sections)
478 extern const bfd_target * NAME (aout, some_aout_object_p)
479 (bfd *, struct internal_exec *, const bfd_target *(*) (bfd *));
481 extern bfd_boolean NAME (aout, mkobject)
484 extern enum machine_type NAME (aout, machine_type)
485 (enum bfd_architecture, unsigned long, bfd_boolean *);
487 extern bfd_boolean NAME (aout, set_arch_mach)
488 (bfd *, enum bfd_architecture, unsigned long);
490 extern bfd_boolean NAME (aout, new_section_hook)
493 extern bfd_boolean NAME (aout, set_section_contents)
494 (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type);
496 extern asymbol * NAME (aout, make_empty_symbol)
499 extern bfd_boolean NAME (aout, translate_symbol_table)
500 (bfd *, aout_symbol_type *, struct external_nlist *, bfd_size_type,
501 char *, bfd_size_type, bfd_boolean);
503 extern bfd_boolean NAME (aout, slurp_symbol_table)
506 extern bfd_boolean NAME (aout, write_syms)
509 extern void NAME (aout, reclaim_symbol_table)
512 extern long NAME (aout, get_symtab_upper_bound)
515 extern long NAME (aout, canonicalize_symtab)
518 extern void NAME (aout, swap_ext_reloc_in)
519 (bfd *, struct reloc_ext_external *, arelent *, asymbol **,
522 extern void NAME (aout, swap_std_reloc_in)
523 (bfd *, struct reloc_std_external *, arelent *, asymbol **,
526 extern reloc_howto_type * NAME (aout, reloc_type_lookup)
527 (bfd *, bfd_reloc_code_real_type);
529 extern reloc_howto_type * NAME (aout, reloc_name_lookup)
530 (bfd *, const char *);
532 extern bfd_boolean NAME (aout, slurp_reloc_table)
533 (bfd *, sec_ptr, asymbol **);
535 extern long NAME (aout, canonicalize_reloc)
536 (bfd *, sec_ptr, arelent **, asymbol **);
538 extern long NAME (aout, get_reloc_upper_bound)
541 extern void NAME (aout, reclaim_reloc)
544 extern alent * NAME (aout, get_lineno)
547 extern void NAME (aout, print_symbol)
548 (bfd *, void *, asymbol *, bfd_print_symbol_type);
550 extern void NAME (aout, get_symbol_info)
551 (bfd *, asymbol *, symbol_info *);
553 extern bfd_boolean NAME (aout, find_nearest_line)
554 (bfd *, asymbol **, asection *, bfd_vma,
555 const char **, const char **, unsigned int *, unsigned int *);
557 extern long NAME (aout, read_minisymbols)
558 (bfd *, bfd_boolean, void * *, unsigned int *);
560 extern asymbol * NAME (aout, minisymbol_to_symbol)
561 (bfd *, bfd_boolean, const void *, asymbol *);
563 extern int NAME (aout, sizeof_headers)
564 (bfd *, struct bfd_link_info *);
566 extern bfd_boolean NAME (aout, adjust_sizes_and_vmas)
569 extern void NAME (aout, swap_exec_header_in)
570 (bfd *, struct external_exec *, struct internal_exec *);
572 extern void NAME (aout, swap_exec_header_out)
573 (bfd *, struct internal_exec *, struct external_exec *);
575 extern struct bfd_hash_entry * NAME (aout, link_hash_newfunc)
576 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
578 extern bfd_boolean NAME (aout, link_hash_table_init)
579 (struct aout_link_hash_table *, bfd *,
580 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
581 struct bfd_hash_table *,
585 extern struct bfd_link_hash_table * NAME (aout, link_hash_table_create)
588 extern bfd_boolean NAME (aout, link_add_symbols)
589 (bfd *, struct bfd_link_info *);
591 extern bfd_boolean NAME (aout, final_link)
592 (bfd *, struct bfd_link_info *,
593 void (*) (bfd *, file_ptr *, file_ptr *, file_ptr *));
595 extern bfd_boolean NAME (aout, bfd_free_cached_info)
598 #define aout_32_find_inliner_info _bfd_nosymbols_find_inliner_info
599 #if 0 /* Are these needed? */
600 #define aout_16_find_inliner_info _bfd_nosymbols_find_inliner_info
601 #define aout_64_find_inliner_info _bfd_nosymbols_find_inliner_info
604 /* A.out uses the generic versions of these routines... */
606 #define aout_16_get_section_contents _bfd_generic_get_section_contents
608 #define aout_32_get_section_contents _bfd_generic_get_section_contents
610 #define aout_64_get_section_contents _bfd_generic_get_section_contents
611 #ifndef NO_WRITE_HEADER_KLUDGE
612 #define NO_WRITE_HEADER_KLUDGE 0
615 #ifndef aout_32_bfd_is_local_label_name
616 #define aout_32_bfd_is_local_label_name bfd_generic_is_local_label_name
619 #ifndef aout_32_bfd_is_target_special_symbol
620 #define aout_32_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
623 #ifndef WRITE_HEADERS
624 #define WRITE_HEADERS(abfd, execp) \
626 if (adata(abfd).magic == undecided_magic) \
627 NAME (aout, adjust_sizes_and_vmas) (abfd); \
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) */