1 /* vms.c -- BFD back-end for VAX (openVMS/VAX) and
2 EVAX (openVMS/Alpha) files.
3 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 Free Software Foundation, Inc.
6 Written by Klaus K"ampf (kkaempf@rmi.de)
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29 static bfd_boolean vms_initialize
31 static unsigned int priv_section_count
;
32 static bfd_boolean fill_section_ptr
33 PARAMS ((struct bfd_hash_entry
*, PTR
));
34 static bfd_boolean vms_fixup_sections
36 static bfd_boolean copy_symbols
37 PARAMS ((struct bfd_hash_entry
*, PTR
));
38 static bfd_reloc_status_type reloc_nil
39 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
40 static const struct bfd_target
*vms_object_p
42 static const struct bfd_target
*vms_archive_p
44 static bfd_boolean vms_mkobject
46 static bfd_boolean vms_write_object_contents
48 static bfd_boolean vms_close_and_cleanup
50 static bfd_boolean vms_bfd_free_cached_info
52 static bfd_boolean vms_new_section_hook
53 PARAMS ((bfd
*abfd
, asection
*section
));
54 static bfd_boolean vms_get_section_contents
55 PARAMS ((bfd
*abfd
, asection
*section
, PTR x1
, file_ptr x2
,
57 static bfd_boolean vms_get_section_contents_in_window
58 PARAMS ((bfd
*abfd
, asection
*section
, bfd_window
*w
, file_ptr offset
,
59 bfd_size_type count
));
60 static bfd_boolean vms_bfd_copy_private_bfd_data
61 PARAMS ((bfd
*src
, bfd
*dest
));
62 static bfd_boolean vms_bfd_copy_private_section_data
63 PARAMS ((bfd
*srcbfd
, asection
*srcsec
, bfd
*dstbfd
, asection
*dstsec
));
64 static bfd_boolean vms_bfd_copy_private_symbol_data
65 PARAMS ((bfd
*ibfd
, asymbol
*isym
, bfd
*obfd
, asymbol
*osym
));
66 static bfd_boolean vms_bfd_print_private_bfd_data
67 PARAMS ((bfd
*abfd
, void *file
));
68 static char *vms_core_file_failing_command
70 static int vms_core_file_failing_signal
72 static bfd_boolean vms_core_file_matches_executable_p
73 PARAMS ((bfd
*abfd
, bfd
*bbfd
));
74 static bfd_boolean vms_slurp_armap
76 static bfd_boolean vms_slurp_extended_name_table
78 static bfd_boolean vms_construct_extended_name_table
79 PARAMS ((bfd
*abfd
, char **tabloc
, bfd_size_type
*tablen
,
81 static void vms_truncate_arname
82 PARAMS ((bfd
*abfd
, const char *pathname
, char *arhdr
));
83 static bfd_boolean vms_write_armap
84 PARAMS ((bfd
*arch
, unsigned int elength
, struct orl
*map
,
85 unsigned int orl_count
, int stridx
));
86 static PTR vms_read_ar_hdr
88 static bfd
*vms_get_elt_at_index
89 PARAMS ((bfd
*abfd
, symindex index
));
90 static bfd
*vms_openr_next_archived_file
91 PARAMS ((bfd
*arch
, bfd
*prev
));
92 static bfd_boolean vms_update_armap_timestamp
94 static int vms_generic_stat_arch_elt
95 PARAMS ((bfd
*, struct stat
*));
96 static long vms_get_symtab_upper_bound
98 static long vms_get_symtab
99 PARAMS ((bfd
*abfd
, asymbol
**symbols
));
100 static void vms_print_symbol
101 PARAMS ((bfd
*abfd
, PTR file
, asymbol
*symbol
, bfd_print_symbol_type how
));
102 static void vms_get_symbol_info
103 PARAMS ((bfd
*abfd
, asymbol
*symbol
, symbol_info
*ret
));
104 static bfd_boolean vms_bfd_is_local_label_name
105 PARAMS ((bfd
*abfd
, const char *));
106 static alent
*vms_get_lineno
107 PARAMS ((bfd
*abfd
, asymbol
*symbol
));
108 static bfd_boolean vms_find_nearest_line
109 PARAMS ((bfd
*abfd
, asection
*section
, asymbol
**symbols
, bfd_vma offset
,
110 const char **file
, const char **func
, unsigned int *line
));
111 static asymbol
*vms_bfd_make_debug_symbol
112 PARAMS ((bfd
*abfd
, void *ptr
, unsigned long size
));
113 static long vms_read_minisymbols
114 PARAMS ((bfd
*abfd
, bfd_boolean dynamic
, PTR
*minisymsp
,
115 unsigned int *sizep
));
116 static asymbol
*vms_minisymbol_to_symbol
117 PARAMS ((bfd
*abfd
, bfd_boolean dynamic
, const PTR minisym
, asymbol
*sym
));
118 static long vms_get_reloc_upper_bound
119 PARAMS ((bfd
*abfd
, asection
*sect
));
120 static long vms_canonicalize_reloc
121 PARAMS ((bfd
*abfd
, asection
*srcsec
, arelent
**location
,
123 static const struct reloc_howto_struct
*vms_bfd_reloc_type_lookup
124 PARAMS ((bfd
*abfd
, bfd_reloc_code_real_type code
));
125 static bfd_boolean vms_set_arch_mach
126 PARAMS ((bfd
*abfd
, enum bfd_architecture arch
, unsigned long mach
));
127 static bfd_boolean vms_set_section_contents
128 PARAMS ((bfd
*abfd
, asection
*section
, PTR location
, file_ptr offset
,
129 bfd_size_type count
));
130 static int vms_sizeof_headers
131 PARAMS ((bfd
*abfd
, bfd_boolean reloc
));
132 static bfd_byte
*vms_bfd_get_relocated_section_contents
133 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
,
134 struct bfd_link_order
*link_order
, bfd_byte
*data
,
135 bfd_boolean relocatable
, asymbol
**symbols
));
136 static bfd_boolean vms_bfd_relax_section
137 PARAMS ((bfd
*abfd
, asection
*section
, struct bfd_link_info
*link_info
,
138 bfd_boolean
*again
));
139 static bfd_boolean vms_bfd_gc_sections
140 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
));
141 static bfd_boolean vms_bfd_merge_sections
142 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
));
143 static struct bfd_link_hash_table
*vms_bfd_link_hash_table_create
144 PARAMS ((bfd
*abfd
));
145 static void vms_bfd_link_hash_table_free
146 PARAMS ((struct bfd_link_hash_table
*hash
));
147 static bfd_boolean vms_bfd_link_add_symbols
148 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
));
149 static bfd_boolean vms_bfd_final_link
150 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
));
151 static bfd_boolean vms_bfd_link_split_section
152 PARAMS ((bfd
*abfd
, asection
*section
));
153 static long vms_get_dynamic_symtab_upper_bound
154 PARAMS ((bfd
*abfd
));
155 static long vms_canonicalize_dynamic_symtab
156 PARAMS ((bfd
*abfd
, asymbol
**symbols
));
157 static long vms_get_dynamic_reloc_upper_bound
158 PARAMS ((bfd
*abfd
));
159 static long vms_canonicalize_dynamic_reloc
160 PARAMS ((bfd
*abfd
, arelent
**arel
, asymbol
**symbols
));
161 static bfd_boolean vms_bfd_merge_private_bfd_data
162 PARAMS ((bfd
*ibfd
, bfd
*obfd
));
163 static bfd_boolean vms_bfd_set_private_flags
164 PARAMS ((bfd
*abfd
, flagword flags
));
166 #define vms_make_empty_symbol _bfd_generic_make_empty_symbol
167 #define vms_bfd_link_just_syms _bfd_generic_link_just_syms
168 #define vms_bfd_discard_group bfd_generic_discard_group
170 /*===========================================================================*/
172 const bfd_target vms_alpha_vec
=
174 "vms-alpha", /* name */
175 bfd_target_evax_flavour
,
176 BFD_ENDIAN_LITTLE
, /* data byte order is little */
177 BFD_ENDIAN_LITTLE
, /* header byte order is little */
179 (HAS_RELOC
| HAS_SYMS
180 | WP_TEXT
| D_PAGED
), /* object flags */
181 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
182 | SEC_READONLY
| SEC_CODE
| SEC_DATA
183 | SEC_HAS_CONTENTS
| SEC_IN_MEMORY
), /* sect flags */
184 0, /* symbol_leading_char */
185 ' ', /* ar_pad_char */
186 15, /* ar_max_namelen */
187 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
188 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
189 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
190 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
191 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
192 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
194 {_bfd_dummy_target
, vms_object_p
, /* bfd_check_format */
195 vms_archive_p
, _bfd_dummy_target
},
196 {bfd_false
, vms_mkobject
, /* bfd_set_format */
197 _bfd_generic_mkarchive
, bfd_false
},
198 {bfd_false
, vms_write_object_contents
, /* bfd_write_contents */
199 _bfd_write_archive_contents
, bfd_false
},
201 BFD_JUMP_TABLE_GENERIC (vms
),
202 BFD_JUMP_TABLE_COPY (vms
),
203 BFD_JUMP_TABLE_CORE (vms
),
204 BFD_JUMP_TABLE_ARCHIVE (vms
),
205 BFD_JUMP_TABLE_SYMBOLS (vms
),
206 BFD_JUMP_TABLE_RELOCS (vms
),
207 BFD_JUMP_TABLE_WRITE (vms
),
208 BFD_JUMP_TABLE_LINK (vms
),
209 BFD_JUMP_TABLE_DYNAMIC (vms
),
216 const bfd_target vms_vax_vec
=
218 "vms-vax", /* name */
219 bfd_target_ovax_flavour
,
220 BFD_ENDIAN_LITTLE
, /* data byte order is little */
221 BFD_ENDIAN_LITTLE
, /* header byte order is little */
223 (HAS_RELOC
| HAS_SYMS
/* object flags */
225 | HAS_LINENO
| HAS_DEBUG
| HAS_LOCALS
),
227 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
228 | SEC_READONLY
| SEC_CODE
| SEC_DATA
229 | SEC_HAS_CONTENTS
| SEC_IN_MEMORY
), /* sect flags */
230 0, /* symbol_leading_char */
231 ' ', /* ar_pad_char */
232 15, /* ar_max_namelen */
233 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
234 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
235 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
, /* data */
236 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
237 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
238 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
, /* hdrs */
240 {_bfd_dummy_target
, vms_object_p
, /* bfd_check_format */
241 vms_archive_p
, _bfd_dummy_target
},
242 {bfd_false
, vms_mkobject
, /* bfd_set_format */
243 _bfd_generic_mkarchive
, bfd_false
},
244 {bfd_false
, vms_write_object_contents
, /* bfd_write_contents */
245 _bfd_write_archive_contents
, bfd_false
},
247 BFD_JUMP_TABLE_GENERIC (vms
),
248 BFD_JUMP_TABLE_COPY (vms
),
249 BFD_JUMP_TABLE_CORE (vms
),
250 BFD_JUMP_TABLE_ARCHIVE (vms
),
251 BFD_JUMP_TABLE_SYMBOLS (vms
),
252 BFD_JUMP_TABLE_RELOCS (vms
),
253 BFD_JUMP_TABLE_WRITE (vms
),
254 BFD_JUMP_TABLE_LINK (vms
),
255 BFD_JUMP_TABLE_DYNAMIC (vms
),
262 /*===========================================================================*/
264 /* Initialize private data */
267 vms_initialize (abfd
)
273 bfd_set_start_address (abfd
, (bfd_vma
) -1);
275 amt
= sizeof (struct vms_private_data_struct
);
276 abfd
->tdata
.any
= (struct vms_private_data_struct
*) bfd_alloc (abfd
, amt
);
277 if (abfd
->tdata
.any
== 0)
287 PRIV (rec_length
) = 0;
288 PRIV (file_format
) = FF_UNKNOWN
;
289 PRIV (fixup_done
) = FALSE
;
290 PRIV (sections
) = NULL
;
292 amt
= sizeof (struct stack_struct
) * STACKSIZE
;
293 PRIV (stack
) = (struct stack_struct
*) bfd_alloc (abfd
, amt
);
294 if (PRIV (stack
) == 0)
298 amt
= sizeof (struct bfd_hash_table
);
299 PRIV (vms_symbol_table
) = (struct bfd_hash_table
*) bfd_alloc (abfd
, amt
);
300 if (PRIV (vms_symbol_table
) == 0)
303 if (!bfd_hash_table_init (PRIV (vms_symbol_table
), _bfd_vms_hash_newfunc
))
306 amt
= sizeof (struct location_struct
) * LOCATION_SAVE_SIZE
;
307 PRIV (location_stack
) = (struct location_struct
*) bfd_alloc (abfd
, amt
);
308 if (PRIV (location_stack
) == 0)
311 for (i
= 0; i
< VMS_SECTION_COUNT
; i
++)
312 PRIV (vms_section_table
)[i
] = NULL
;
314 amt
= MAX_OUTREC_SIZE
;
315 PRIV (output_buf
) = (unsigned char *) bfd_alloc (abfd
, amt
);
316 if (PRIV (output_buf
) == 0)
319 PRIV (push_level
) = 0;
320 PRIV (pushed_size
) = 0;
321 PRIV (length_pos
) = 2;
322 PRIV (output_size
) = 0;
323 PRIV (output_alignment
) = 1;
328 bfd_hash_table_free (PRIV (vms_symbol_table
));
330 bfd_release (abfd
, abfd
->tdata
.any
);
335 /* Fill symbol->section with section ptr
336 symbol->section is filled with the section index for defined symbols
337 during reading the GSD/EGSD section. But we need the pointer to the
340 It has the correct value for referenced (undefined section) symbols
342 called from bfd_hash_traverse in vms_fixup_sections */
345 fill_section_ptr (entry
, sections
)
346 struct bfd_hash_entry
*entry
;
352 sym
= ((vms_symbol_entry
*)entry
)->symbol
;
356 vms_debug (6, "fill_section_ptr: sym %p, sec %p\n", sym
, sec
);
359 /* fill forward references (these contain section number, not section ptr). */
361 if ((unsigned int) sec
< priv_section_count
)
363 sec
= ((vms_symbol_entry
*)entry
)->symbol
->section
=
364 ((asection
**)sections
)[(int)sec
];
367 if (strcmp (sym
->name
, sec
->name
) == 0)
368 sym
->flags
|= BSF_SECTION_SYM
;
374 set up all pointers and arrays, counters and sizes are fixed now
376 we build a private sections vector for easy access since sections
377 are always referenced by an index number.
379 alloc PRIV(sections) according to abfd->section_count
380 copy abfd->sections to PRIV(sections) */
383 vms_fixup_sections (abfd
)
386 if (PRIV (fixup_done
))
390 * traverse symbol table and fill in all section pointers
393 /* can't provide section count as argument to fill_section_ptr(). */
394 priv_section_count
= PRIV (section_count
);
395 bfd_hash_traverse (PRIV (vms_symbol_table
), fill_section_ptr
,
396 (PTR
) (PRIV (sections
)));
398 PRIV (fixup_done
) = TRUE
;
403 /*===========================================================================*/
405 /* Check the format for a file being read.
406 Return a (bfd_target *) if it's an object file or zero if not. */
408 static const struct bfd_target
*
414 const struct bfd_target
*target_vector
= 0;
415 const bfd_arch_info_type
*arch
= 0;
416 PTR tdata_save
= abfd
->tdata
.any
;
417 bfd_vma saddr_save
= bfd_get_start_address (abfd
);
420 vms_debug (1, "vms_object_p(%p)\n", abfd
);
423 if (!vms_initialize (abfd
))
426 if (bfd_seek (abfd
, (file_ptr
) 0, SEEK_SET
))
427 goto err_wrong_format
;
434 vms_debug (7, "reading at %08lx\n", bfd_tell(abfd
));
436 if (_bfd_vms_next_record (abfd
) < 0)
439 vms_debug (2, "next_record failed\n");
441 goto err_wrong_format
;
444 if ((prev_type
== EOBJ_S_C_EGSD
)
445 && (PRIV (rec_type
) != EOBJ_S_C_EGSD
))
447 if (! vms_fixup_sections (abfd
))
450 vms_debug (2, "vms_fixup_sections failed\n");
452 goto err_wrong_format
;
456 prev_type
= PRIV (rec_type
);
458 if (target_vector
== 0)
460 if (prev_type
<= OBJ_S_C_MAXRECTYP
)
461 target_vector
= &vms_vax_vec
;
463 target_vector
= &vms_alpha_vec
;
470 err
= _bfd_vms_slurp_hdr (abfd
, prev_type
);
475 err
= _bfd_vms_slurp_eom (abfd
, prev_type
);
479 err
= _bfd_vms_slurp_gsd (abfd
, prev_type
);
483 err
= _bfd_vms_slurp_tir (abfd
, prev_type
);
487 err
= _bfd_vms_slurp_dbg (abfd
, prev_type
);
491 err
= _bfd_vms_slurp_tbt (abfd
, prev_type
);
494 err
= _bfd_vms_slurp_lnk (abfd
, prev_type
);
502 vms_debug (2, "slurp type %d failed with %d\n", prev_type
, err
);
504 goto err_wrong_format
;
507 while ((prev_type
!= EOBJ_S_C_EEOM
) && (prev_type
!= OBJ_S_C_EOM
) && (prev_type
!= OBJ_S_C_EOMW
));
509 if (target_vector
== &vms_vax_vec
)
511 if (! vms_fixup_sections (abfd
))
514 vms_debug (2, "vms_fixup_sections failed\n");
516 goto err_wrong_format
;
519 /* set arch_info to vax */
521 arch
= bfd_scan_arch ("vax");
524 vms_debug (2, "arch is vax\n");
527 else if (target_vector
== &vms_alpha_vec
)
529 /* set arch_info to alpha */
531 arch
= bfd_scan_arch ("alpha");
534 vms_debug (2, "arch is alpha\n");
541 vms_debug (2, "arch not found\n");
543 goto err_wrong_format
;
545 abfd
->arch_info
= arch
;
547 return target_vector
;
550 bfd_set_error (bfd_error_wrong_format
);
552 if (abfd
->tdata
.any
!= tdata_save
&& abfd
->tdata
.any
!= NULL
)
553 bfd_release (abfd
, abfd
->tdata
.any
);
554 abfd
->tdata
.any
= tdata_save
;
555 bfd_set_start_address (abfd
, saddr_save
);
559 /* Check the format for a file being read.
560 Return a (bfd_target *) if it's an archive file or zero. */
562 static const struct bfd_target
*
564 bfd
*abfd ATTRIBUTE_UNUSED
;
567 vms_debug (1, "vms_archive_p(%p)\n", abfd
);
573 /* Set the format of a file being written. */
580 vms_debug (1, "vms_mkobject(%p)\n", abfd
);
583 if (!vms_initialize (abfd
))
588 const bfd_arch_info_type
*arch
= bfd_scan_arch ("vax");
590 const bfd_arch_info_type
*arch
= bfd_scan_arch ("alpha");
594 bfd_set_error(bfd_error_wrong_format
);
597 abfd
->arch_info
= arch
;
603 /* Write cached information into a file being written, at bfd_close. */
606 vms_write_object_contents (abfd
)
610 vms_debug (1, "vms_write_object_contents(%p)\n", abfd
);
613 if (abfd
->section_count
> 0) /* we have sections */
617 if (_bfd_vms_write_hdr (abfd
, OBJ_S_C_HDR
) != 0)
619 if (_bfd_vms_write_gsd (abfd
, OBJ_S_C_GSD
) != 0)
621 if (_bfd_vms_write_tir (abfd
, OBJ_S_C_TIR
) != 0)
623 if (_bfd_vms_write_tbt (abfd
, OBJ_S_C_TBT
) != 0)
625 if (_bfd_vms_write_dbg (abfd
, OBJ_S_C_DBG
) != 0)
627 if (abfd
->section_count
> 255)
629 if (_bfd_vms_write_eom (abfd
, OBJ_S_C_EOMW
) != 0)
634 if (_bfd_vms_write_eom (abfd
, OBJ_S_C_EOM
) != 0)
640 if (_bfd_vms_write_hdr (abfd
, EOBJ_S_C_EMH
) != 0)
642 if (_bfd_vms_write_gsd (abfd
, EOBJ_S_C_EGSD
) != 0)
644 if (_bfd_vms_write_tir (abfd
, EOBJ_S_C_ETIR
) != 0)
646 if (_bfd_vms_write_tbt (abfd
, EOBJ_S_C_ETBT
) != 0)
648 if (_bfd_vms_write_dbg (abfd
, EOBJ_S_C_EDBG
) != 0)
650 if (_bfd_vms_write_eom (abfd
, EOBJ_S_C_EEOM
) != 0)
657 /*-- 4.1, generic -----------------------------------------------------------*/
659 /* Called when the BFD is being closed to do any necessary cleanup. */
662 vms_close_and_cleanup (abfd
)
666 vms_debug (1, "vms_close_and_cleanup(%p)\n", abfd
);
671 if (PRIV (vms_buf
) != NULL
)
672 free (PRIV (vms_buf
));
674 if (PRIV (sections
) != NULL
)
675 free (PRIV (sections
));
677 if (PRIV (vms_symbol_table
))
678 bfd_hash_table_free (PRIV (vms_symbol_table
));
680 bfd_release (abfd
, abfd
->tdata
.any
);
681 abfd
->tdata
.any
= NULL
;
686 /* Ask the BFD to free all cached information. */
688 vms_bfd_free_cached_info (abfd
)
689 bfd
*abfd ATTRIBUTE_UNUSED
;
692 vms_debug (1, "vms_bfd_free_cached_info(%p)\n", abfd
);
697 /* Called when a new section is created. */
700 vms_new_section_hook (abfd
, section
)
704 /* Count hasn't been incremented yet. */
705 unsigned int section_count
= abfd
->section_count
+ 1;
708 vms_debug (1, "vms_new_section_hook (%p, [%d]%s), count %d\n",
709 abfd
, section
->index
, section
->name
, section_count
);
711 bfd_set_section_alignment (abfd
, section
, 4);
713 if (section_count
> PRIV (section_count
))
715 bfd_size_type amt
= section_count
;
716 amt
*= sizeof (asection
*);
717 PRIV (sections
) = (asection
**) bfd_realloc (PRIV (sections
), amt
);
718 if (PRIV (sections
) == 0)
720 PRIV (section_count
) = section_count
;
723 vms_debug (6, "section_count: %d\n", PRIV (section_count
));
725 PRIV (sections
)[section
->index
] = section
;
727 vms_debug (7, "%d: %s\n", section
->index
, section
->name
);
733 /* Read the contents of a section.
734 buf points to a buffer of buf_size bytes to be filled with
735 section data (starting at offset into section) */
738 vms_get_section_contents (abfd
, section
, buf
, offset
, buf_size
)
739 bfd
*abfd ATTRIBUTE_UNUSED
;
740 asection
*section ATTRIBUTE_UNUSED
;
741 PTR buf ATTRIBUTE_UNUSED
;
742 file_ptr offset ATTRIBUTE_UNUSED
;
743 bfd_size_type buf_size ATTRIBUTE_UNUSED
;
746 vms_debug (1, "vms_get_section_contents(%p, %s, %p, off %ld, size %d)\n",
747 abfd
, section
->name
, buf
, offset
, (int)buf_size
);
750 /* shouldn't be called, since all sections are IN_MEMORY */
755 /* Read the contents of a section.
756 buf points to a buffer of buf_size bytes to be filled with
757 section data (starting at offset into section) */
760 vms_get_section_contents_in_window (abfd
, section
, w
, offset
, count
)
761 bfd
*abfd ATTRIBUTE_UNUSED
;
762 asection
*section ATTRIBUTE_UNUSED
;
763 bfd_window
*w ATTRIBUTE_UNUSED
;
764 file_ptr offset ATTRIBUTE_UNUSED
;
765 bfd_size_type count ATTRIBUTE_UNUSED
;
768 vms_debug (1, "vms_get_section_contents_in_window(%p, %s, %p, off %ld, count %d)\n",
769 abfd
, section
->name
, w
, offset
, (int)count
);
772 /* shouldn't be called, since all sections are IN_MEMORY */
777 /*-- Part 4.2, copy private data --------------------------------------------*/
779 /* Called to copy BFD general private data from one object file
783 vms_bfd_copy_private_bfd_data (src
, dest
)
784 bfd
*src ATTRIBUTE_UNUSED
;
785 bfd
*dest ATTRIBUTE_UNUSED
;
788 vms_debug (1, "vms_bfd_copy_private_bfd_data(%p, %p)\n", src
, dest
);
793 /* Merge private BFD information from the BFD @var{ibfd} to the
794 the output file BFD @var{obfd} when linking. Return <<TRUE>>
795 on success, <<FALSE>> on error. Possible error returns are:
797 o <<bfd_error_no_memory>> -
798 Not enough memory exists to create private data for @var{obfd}. */
801 vms_bfd_merge_private_bfd_data (ibfd
, obfd
)
802 bfd
*ibfd ATTRIBUTE_UNUSED
;
803 bfd
*obfd ATTRIBUTE_UNUSED
;
806 vms_debug (1,"vms_bfd_merge_private_bfd_data(%p, %p)\n", ibfd
, obfd
);
811 /* Set private BFD flag information in the BFD @var{abfd}.
812 Return <<TRUE>> on success, <<FALSE>> on error. Possible error
815 o <<bfd_error_no_memory>> -
816 Not enough memory exists to create private data for @var{obfd}. */
819 vms_bfd_set_private_flags (abfd
, flags
)
820 bfd
*abfd ATTRIBUTE_UNUSED
;
821 flagword flags ATTRIBUTE_UNUSED
;
824 vms_debug (1,"vms_bfd_set_private_flags(%p, %lx)\n", abfd
, (long)flags
);
829 /* Called to copy BFD private section data from one object file
833 vms_bfd_copy_private_section_data (srcbfd
, srcsec
, dstbfd
, dstsec
)
834 bfd
*srcbfd ATTRIBUTE_UNUSED
;
835 asection
*srcsec ATTRIBUTE_UNUSED
;
836 bfd
*dstbfd ATTRIBUTE_UNUSED
;
837 asection
*dstsec ATTRIBUTE_UNUSED
;
840 vms_debug (1, "vms_bfd_copy_private_section_data(%p, %s, %p, %s)\n",
841 srcbfd
, srcsec
->name
, dstbfd
, dstsec
->name
);
846 /* Called to copy BFD private symbol data from one object file
850 vms_bfd_copy_private_symbol_data (ibfd
, isym
, obfd
, osym
)
851 bfd
*ibfd ATTRIBUTE_UNUSED
;
852 asymbol
*isym ATTRIBUTE_UNUSED
;
853 bfd
*obfd ATTRIBUTE_UNUSED
;
854 asymbol
*osym ATTRIBUTE_UNUSED
;
857 vms_debug (1, "vms_bfd_copy_private_symbol_data(%p, %s, %p, %s)\n",
858 ibfd
, isym
->name
, obfd
, osym
->name
);
863 /*-- Part 4.3, core file ----------------------------------------------------*/
865 /* Return a read-only string explaining which program was running
866 when it failed and produced the core file abfd. */
869 vms_core_file_failing_command (abfd
)
870 bfd
*abfd ATTRIBUTE_UNUSED
;
873 vms_debug (1, "vms_core_file_failing_command(%p)\n", abfd
);
878 /* Returns the signal number which caused the core dump which
879 generated the file the BFD abfd is attached to. */
882 vms_core_file_failing_signal (abfd
)
883 bfd
*abfd ATTRIBUTE_UNUSED
;
886 vms_debug (1, "vms_core_file_failing_signal(%p)\n", abfd
);
891 /* Return TRUE if the core file attached to core_bfd was generated
892 by a run of the executable file attached to exec_bfd, FALSE otherwise. */
895 vms_core_file_matches_executable_p (abfd
, bbfd
)
896 bfd
*abfd ATTRIBUTE_UNUSED
;
897 bfd
*bbfd ATTRIBUTE_UNUSED
;
900 vms_debug (1, "vms_core_file_matches_executable_p(%p, %p)\n", abfd
, bbfd
);
905 /*-- Part 4.4, archive ------------------------------------------------------*/
907 /* ??? do something with an archive map.
908 Return FALSE on error, TRUE otherwise. */
911 vms_slurp_armap (abfd
)
912 bfd
*abfd ATTRIBUTE_UNUSED
;
915 vms_debug (1, "vms_slurp_armap(%p)\n", abfd
);
920 /* ??? do something with an extended name table.
921 Return FALSE on error, TRUE otherwise. */
924 vms_slurp_extended_name_table (abfd
)
925 bfd
*abfd ATTRIBUTE_UNUSED
;
928 vms_debug (1, "vms_slurp_extended_name_table(%p)\n", abfd
);
933 /* ??? do something with an extended name table.
934 Return FALSE on error, TRUE otherwise. */
937 vms_construct_extended_name_table (abfd
, tabloc
, tablen
, name
)
938 bfd
*abfd ATTRIBUTE_UNUSED
;
939 char **tabloc ATTRIBUTE_UNUSED
;
940 bfd_size_type
*tablen ATTRIBUTE_UNUSED
;
941 const char **name ATTRIBUTE_UNUSED
;
944 vms_debug (1, "vms_construct_extended_name_table(%p)\n", abfd
);
949 /* Truncate the name of an archive to match system-dependent restrictions */
952 vms_truncate_arname (abfd
, pathname
, arhdr
)
953 bfd
*abfd ATTRIBUTE_UNUSED
;
954 const char *pathname ATTRIBUTE_UNUSED
;
955 char *arhdr ATTRIBUTE_UNUSED
;
958 vms_debug (1, "vms_truncate_arname(%p, %s, %s)\n", abfd
, pathname
, arhdr
);
963 /* ??? write archive map */
966 vms_write_armap (arch
, elength
, map
, orl_count
, stridx
)
967 bfd
*arch ATTRIBUTE_UNUSED
;
968 unsigned int elength ATTRIBUTE_UNUSED
;
969 struct orl
*map ATTRIBUTE_UNUSED
;
970 unsigned int orl_count ATTRIBUTE_UNUSED
;
971 int stridx ATTRIBUTE_UNUSED
;
974 vms_debug (1, "vms_write_armap(%p, %d, %p, %d %d)\n",
975 arch
, elength
, map
, orl_count
, stridx
);
980 /* Read archive header ??? */
983 vms_read_ar_hdr (abfd
)
984 bfd
* abfd ATTRIBUTE_UNUSED
;
987 vms_debug (1, "vms_read_ar_hdr(%p)\n", abfd
);
992 /* Provided a BFD, @var{archive}, containing an archive and NULL, open
993 an input BFD on the first contained element and returns that.
994 Subsequent calls should pass the archive and the previous return value
995 to return a created BFD to the next contained element.
996 NULL is returned when there are no more. */
999 vms_openr_next_archived_file (arch
, prev
)
1000 bfd
*arch ATTRIBUTE_UNUSED
;
1001 bfd
*prev ATTRIBUTE_UNUSED
;
1004 vms_debug (1, "vms_openr_next_archived_file(%p, %p)\n", arch
, prev
);
1009 /* Return the BFD which is referenced by the symbol in ABFD indexed by
1010 INDEX. INDEX should have been returned by bfd_get_next_mapent. */
1013 vms_get_elt_at_index (abfd
, index
)
1018 vms_debug (1, "vms_get_elt_at_index(%p, %p)\n", abfd
, index
);
1020 return _bfd_generic_get_elt_at_index(abfd
, index
);
1024 -> bfd_generic_stat_arch_elt */
1027 vms_generic_stat_arch_elt (abfd
, st
)
1032 vms_debug (1, "vms_generic_stat_arch_elt(%p, %p)\n", abfd
, st
);
1034 return bfd_generic_stat_arch_elt (abfd
, st
);
1037 /* This is a new function in bfd 2.5 */
1040 vms_update_armap_timestamp (abfd
)
1041 bfd
*abfd ATTRIBUTE_UNUSED
;
1044 vms_debug (1, "vms_update_armap_timestamp(%p)\n", abfd
);
1049 /*-- Part 4.5, symbols --------------------------------------------------------*/
1051 /* Return the number of bytes required to store a vector of pointers
1052 to asymbols for all the symbols in the BFD abfd, including a
1053 terminal NULL pointer. If there are no symbols in the BFD,
1054 then return 0. If an error occurs, return -1. */
1057 vms_get_symtab_upper_bound (abfd
)
1061 vms_debug (1, "vms_get_symtab_upper_bound(%p), %d symbols\n", abfd
, PRIV (gsd_sym_count
));
1063 return (PRIV (gsd_sym_count
)+1) * sizeof (asymbol
*);
1066 /* Copy symbols from hash table to symbol vector
1068 called from bfd_hash_traverse in vms_get_symtab
1069 init counter to 0 if entry == 0 */
1072 copy_symbols (entry
, arg
)
1073 struct bfd_hash_entry
*entry
;
1076 bfd
*abfd
= (bfd
*) arg
;
1078 if (entry
== NULL
) /* init counter */
1080 else /* fill vector, inc counter */
1081 PRIV (symcache
)[PRIV (symnum
)++] = ((vms_symbol_entry
*)entry
)->symbol
;
1086 /* Read the symbols from the BFD abfd, and fills in the vector
1087 location with pointers to the symbols and a trailing NULL.
1089 return # of symbols read */
1092 vms_get_symtab (abfd
, symbols
)
1097 vms_debug (1, "vms_get_symtab(%p, <ret>)\n", abfd
);
1101 (void)copy_symbols((struct bfd_hash_entry
*)0, abfd
);
1103 /* traverse table and fill symbols vector */
1105 PRIV (symcache
) = symbols
;
1106 bfd_hash_traverse(PRIV (vms_symbol_table
), copy_symbols
, (PTR
)abfd
);
1108 symbols
[PRIV (gsd_sym_count
)] = NULL
;
1110 return PRIV (gsd_sym_count
);
1113 /* Print symbol to file according to how. how is one of
1114 bfd_print_symbol_name just print the name
1115 bfd_print_symbol_more print more (???)
1116 bfd_print_symbol_all print all we know, which is not much right now :-) */
1119 vms_print_symbol (abfd
, file
, symbol
, how
)
1123 bfd_print_symbol_type how
;
1126 vms_debug (1, "vms_print_symbol(%p, %p, %p, %d)\n", abfd
, file
, symbol
, how
);
1131 case bfd_print_symbol_name
:
1132 case bfd_print_symbol_more
:
1133 fprintf ((FILE *)file
," %s", symbol
->name
);
1136 case bfd_print_symbol_all
:
1138 const char *section_name
= symbol
->section
->name
;
1140 bfd_print_symbol_vandf (abfd
, (PTR
)file
, symbol
);
1142 fprintf ((FILE *)file
," %-8s %s", section_name
, symbol
->name
);
1149 /* Return information about symbol in ret.
1151 fill type, value and name
1154 B bss segment symbol
1156 D data segment symbol
1158 t a static function symbol
1159 T text segment symbol
1164 vms_get_symbol_info (abfd
, symbol
, ret
)
1165 bfd
*abfd ATTRIBUTE_UNUSED
;
1172 vms_debug (1, "vms_get_symbol_info(%p, %p, %p)\n", abfd
, symbol
, ret
);
1175 sec
= symbol
->section
;
1180 if (bfd_is_com_section (sec
))
1182 else if (bfd_is_abs_section (sec
))
1184 else if (bfd_is_und_section (sec
))
1186 else if (bfd_is_ind_section (sec
))
1188 else if (bfd_get_section_flags (abfd
, sec
) & SEC_CODE
)
1190 else if (bfd_get_section_flags (abfd
, sec
) & SEC_DATA
)
1192 else if (bfd_get_section_flags (abfd
, sec
) & SEC_ALLOC
)
1197 if (ret
->type
!= 'U')
1198 ret
->value
= symbol
->value
+ symbol
->section
->vma
;
1201 ret
->name
= symbol
->name
;
1206 /* Return TRUE if the given symbol sym in the BFD abfd is
1207 a compiler generated local label, else return FALSE. */
1210 vms_bfd_is_local_label_name (abfd
, name
)
1211 bfd
*abfd ATTRIBUTE_UNUSED
;
1215 vms_debug (1, "vms_bfd_is_local_label_name(%p, %s)\n", abfd
, name
);
1217 return name
[0] == '$';
1220 /* Get source line number for symbol */
1223 vms_get_lineno (abfd
, symbol
)
1224 bfd
*abfd ATTRIBUTE_UNUSED
;
1225 asymbol
*symbol ATTRIBUTE_UNUSED
;
1228 vms_debug (1, "vms_get_lineno(%p, %p)\n", abfd
, symbol
);
1233 /* Provided a BFD, a section and an offset into the section, calculate and
1234 return the name of the source file and the line nearest to the wanted
1238 vms_find_nearest_line (abfd
, section
, symbols
, offset
, file
, func
, line
)
1239 bfd
*abfd ATTRIBUTE_UNUSED
;
1240 asection
*section ATTRIBUTE_UNUSED
;
1241 asymbol
**symbols ATTRIBUTE_UNUSED
;
1242 bfd_vma offset ATTRIBUTE_UNUSED
;
1243 const char **file ATTRIBUTE_UNUSED
;
1244 const char **func ATTRIBUTE_UNUSED
;
1245 unsigned int *line ATTRIBUTE_UNUSED
;
1248 vms_debug (1, "vms_find_nearest_line(%p, %s, %p, %ld, <ret>, <ret>, <ret>)\n",
1249 abfd
, section
->name
, symbols
, (long int)offset
);
1254 /* Back-door to allow format-aware applications to create debug symbols
1255 while using BFD for everything else. Currently used by the assembler
1256 when creating COFF files. */
1259 vms_bfd_make_debug_symbol (abfd
, ptr
, size
)
1260 bfd
*abfd ATTRIBUTE_UNUSED
;
1261 void *ptr ATTRIBUTE_UNUSED
;
1262 unsigned long size ATTRIBUTE_UNUSED
;
1265 vms_debug (1, "vms_bfd_make_debug_symbol(%p, %p, %ld)\n", abfd
, ptr
, size
);
1270 /* Read minisymbols. For minisymbols, we use the unmodified a.out
1271 symbols. The minisymbol_to_symbol function translates these into
1272 BFD asymbol structures. */
1275 vms_read_minisymbols (abfd
, dynamic
, minisymsp
, sizep
)
1277 bfd_boolean dynamic
;
1279 unsigned int *sizep
;
1282 vms_debug (1, "vms_read_minisymbols(%p, %d, %p, %d)\n", abfd
, dynamic
, minisymsp
, *sizep
);
1284 return _bfd_generic_read_minisymbols (abfd
, dynamic
, minisymsp
, sizep
);
1287 /* Convert a minisymbol to a BFD asymbol. A minisymbol is just an
1288 unmodified a.out symbol. The SYM argument is a structure returned
1289 by bfd_make_empty_symbol, which we fill in here. */
1292 vms_minisymbol_to_symbol (abfd
, dynamic
, minisym
, sym
)
1294 bfd_boolean dynamic
;
1299 vms_debug (1, "vms_minisymbol_to_symbol(%p, %d, %p, %p)\n", abfd
, dynamic
, minisym
, sym
);
1301 return _bfd_generic_minisymbol_to_symbol (abfd
, dynamic
, minisym
, sym
);
1304 /*-- Part 4.6, relocations --------------------------------------------------*/
1306 /* Return the number of bytes required to store the relocation information
1307 associated with section sect attached to bfd abfd.
1308 If an error occurs, return -1. */
1311 vms_get_reloc_upper_bound (abfd
, section
)
1312 bfd
*abfd ATTRIBUTE_UNUSED
;
1313 asection
*section ATTRIBUTE_UNUSED
;
1316 vms_debug (1, "vms_get_reloc_upper_bound(%p, %s)\n", abfd
, section
->name
);
1321 /* Call the back end associated with the open BFD abfd and translate the
1322 external form of the relocation information attached to sec into the
1323 internal canonical form. Place the table into memory at loc, which has
1324 been preallocated, usually by a call to bfd_get_reloc_upper_bound.
1325 Returns the number of relocs, or -1 on error. */
1328 vms_canonicalize_reloc (abfd
, section
, location
, symbols
)
1329 bfd
*abfd ATTRIBUTE_UNUSED
;
1330 asection
*section ATTRIBUTE_UNUSED
;
1331 arelent
**location ATTRIBUTE_UNUSED
;
1332 asymbol
**symbols ATTRIBUTE_UNUSED
;
1335 vms_debug (1, "vms_canonicalize_reloc(%p, %s, <ret>, <ret>)\n", abfd
, section
->name
);
1340 /*---------------------------------------------------------------------------*/
1341 /* this is just copied from ecoff-alpha, needs to be fixed probably */
1343 /* How to process the various reloc types. */
1345 static bfd_reloc_status_type
1346 reloc_nil (abfd
, reloc
, sym
, data
, sec
, output_bfd
, error_message
)
1347 bfd
*abfd ATTRIBUTE_UNUSED
;
1348 arelent
*reloc ATTRIBUTE_UNUSED
;
1349 asymbol
*sym ATTRIBUTE_UNUSED
;
1350 PTR data ATTRIBUTE_UNUSED
;
1351 asection
*sec ATTRIBUTE_UNUSED
;
1352 bfd
*output_bfd ATTRIBUTE_UNUSED
;
1353 char **error_message ATTRIBUTE_UNUSED
;
1356 vms_debug (1, "reloc_nil(abfd %p, output_bfd %p)\n", abfd
, output_bfd
);
1357 vms_debug (2, "In section %s, symbol %s\n",
1358 sec
->name
, sym
->name
);
1359 vms_debug (2, "reloc sym %s, addr %08lx, addend %08lx, reloc is a %s\n",
1360 reloc
->sym_ptr_ptr
[0]->name
,
1361 (unsigned long)reloc
->address
,
1362 (unsigned long)reloc
->addend
, reloc
->howto
->name
);
1363 vms_debug (2, "data at %p\n", data
);
1364 /* _bfd_hexdump (2, data, bfd_get_reloc_size(reloc->howto),0); */
1367 return bfd_reloc_ok
;
1370 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
1371 from smaller values. Start with zero, widen, *then* decrement. */
1372 #define MINUS_ONE (((bfd_vma)0) - 1)
1374 static reloc_howto_type alpha_howto_table
[] =
1376 HOWTO (ALPHA_R_IGNORE
, /* type */
1378 0, /* size (0 = byte, 1 = short, 2 = long) */
1380 TRUE
, /* pc_relative */
1382 complain_overflow_dont
, /* complain_on_overflow */
1383 reloc_nil
, /* special_function */
1384 "IGNORE", /* name */
1385 TRUE
, /* partial_inplace */
1388 TRUE
), /* pcrel_offset */
1390 /* A 64 bit reference to a symbol. */
1391 HOWTO (ALPHA_R_REFQUAD
, /* type */
1393 4, /* size (0 = byte, 1 = short, 2 = long) */
1395 FALSE
, /* pc_relative */
1397 complain_overflow_bitfield
, /* complain_on_overflow */
1398 reloc_nil
, /* special_function */
1399 "REFQUAD", /* name */
1400 TRUE
, /* partial_inplace */
1401 MINUS_ONE
, /* src_mask */
1402 MINUS_ONE
, /* dst_mask */
1403 FALSE
), /* pcrel_offset */
1405 /* A 21 bit branch. The native assembler generates these for
1406 branches within the text segment, and also fills in the PC
1407 relative offset in the instruction. */
1408 HOWTO (ALPHA_R_BRADDR
, /* type */
1410 2, /* size (0 = byte, 1 = short, 2 = long) */
1412 TRUE
, /* pc_relative */
1414 complain_overflow_signed
, /* complain_on_overflow */
1415 reloc_nil
, /* special_function */
1416 "BRADDR", /* name */
1417 TRUE
, /* partial_inplace */
1418 0x1fffff, /* src_mask */
1419 0x1fffff, /* dst_mask */
1420 FALSE
), /* pcrel_offset */
1422 /* A hint for a jump to a register. */
1423 HOWTO (ALPHA_R_HINT
, /* type */
1425 1, /* size (0 = byte, 1 = short, 2 = long) */
1427 TRUE
, /* pc_relative */
1429 complain_overflow_dont
, /* complain_on_overflow */
1430 reloc_nil
, /* special_function */
1432 TRUE
, /* partial_inplace */
1433 0x3fff, /* src_mask */
1434 0x3fff, /* dst_mask */
1435 FALSE
), /* pcrel_offset */
1437 /* 16 bit PC relative offset. */
1438 HOWTO (ALPHA_R_SREL16
, /* type */
1440 1, /* size (0 = byte, 1 = short, 2 = long) */
1442 TRUE
, /* pc_relative */
1444 complain_overflow_signed
, /* complain_on_overflow */
1445 reloc_nil
, /* special_function */
1446 "SREL16", /* name */
1447 TRUE
, /* partial_inplace */
1448 0xffff, /* src_mask */
1449 0xffff, /* dst_mask */
1450 FALSE
), /* pcrel_offset */
1452 /* 32 bit PC relative offset. */
1453 HOWTO (ALPHA_R_SREL32
, /* type */
1455 2, /* size (0 = byte, 1 = short, 2 = long) */
1457 TRUE
, /* pc_relative */
1459 complain_overflow_signed
, /* complain_on_overflow */
1460 reloc_nil
, /* special_function */
1461 "SREL32", /* name */
1462 TRUE
, /* partial_inplace */
1463 0xffffffff, /* src_mask */
1464 0xffffffff, /* dst_mask */
1465 FALSE
), /* pcrel_offset */
1467 /* A 64 bit PC relative offset. */
1468 HOWTO (ALPHA_R_SREL64
, /* type */
1470 4, /* size (0 = byte, 1 = short, 2 = long) */
1472 TRUE
, /* pc_relative */
1474 complain_overflow_signed
, /* complain_on_overflow */
1475 reloc_nil
, /* special_function */
1476 "SREL64", /* name */
1477 TRUE
, /* partial_inplace */
1478 MINUS_ONE
, /* src_mask */
1479 MINUS_ONE
, /* dst_mask */
1480 FALSE
), /* pcrel_offset */
1482 /* Push a value on the reloc evaluation stack. */
1483 HOWTO (ALPHA_R_OP_PUSH
, /* type */
1485 0, /* size (0 = byte, 1 = short, 2 = long) */
1487 FALSE
, /* pc_relative */
1489 complain_overflow_dont
, /* complain_on_overflow */
1490 reloc_nil
, /* special_function */
1491 "OP_PUSH", /* name */
1492 FALSE
, /* partial_inplace */
1495 FALSE
), /* pcrel_offset */
1497 /* Store the value from the stack at the given address. Store it in
1498 a bitfield of size r_size starting at bit position r_offset. */
1499 HOWTO (ALPHA_R_OP_STORE
, /* type */
1501 4, /* size (0 = byte, 1 = short, 2 = long) */
1503 FALSE
, /* pc_relative */
1505 complain_overflow_dont
, /* complain_on_overflow */
1506 reloc_nil
, /* special_function */
1507 "OP_STORE", /* name */
1508 FALSE
, /* partial_inplace */
1510 MINUS_ONE
, /* dst_mask */
1511 FALSE
), /* pcrel_offset */
1513 /* Subtract the reloc address from the value on the top of the
1514 relocation stack. */
1515 HOWTO (ALPHA_R_OP_PSUB
, /* type */
1517 0, /* size (0 = byte, 1 = short, 2 = long) */
1519 FALSE
, /* pc_relative */
1521 complain_overflow_dont
, /* complain_on_overflow */
1522 reloc_nil
, /* special_function */
1523 "OP_PSUB", /* name */
1524 FALSE
, /* partial_inplace */
1527 FALSE
), /* pcrel_offset */
1529 /* Shift the value on the top of the relocation stack right by the
1531 HOWTO (ALPHA_R_OP_PRSHIFT
, /* type */
1533 0, /* size (0 = byte, 1 = short, 2 = long) */
1535 FALSE
, /* pc_relative */
1537 complain_overflow_dont
, /* complain_on_overflow */
1538 reloc_nil
, /* special_function */
1539 "OP_PRSHIFT", /* name */
1540 FALSE
, /* partial_inplace */
1543 FALSE
), /* pcrel_offset */
1545 /* Hack. Linkage is done by linker. */
1546 HOWTO (ALPHA_R_LINKAGE
, /* type */
1548 8, /* size (0 = byte, 1 = short, 2 = long) */
1550 FALSE
, /* pc_relative */
1552 complain_overflow_dont
, /* complain_on_overflow */
1553 reloc_nil
, /* special_function */
1554 "LINKAGE", /* name */
1555 FALSE
, /* partial_inplace */
1558 FALSE
), /* pcrel_offset */
1560 /* A 32 bit reference to a symbol. */
1561 HOWTO (ALPHA_R_REFLONG
, /* type */
1563 2, /* size (0 = byte, 1 = short, 2 = long) */
1565 FALSE
, /* pc_relative */
1567 complain_overflow_bitfield
, /* complain_on_overflow */
1568 reloc_nil
, /* special_function */
1569 "REFLONG", /* name */
1570 TRUE
, /* partial_inplace */
1571 0xffffffff, /* src_mask */
1572 0xffffffff, /* dst_mask */
1573 FALSE
), /* pcrel_offset */
1575 /* A 64 bit reference to a procedure, written as 32 bit value. */
1576 HOWTO (ALPHA_R_CODEADDR
, /* type */
1578 4, /* size (0 = byte, 1 = short, 2 = long) */
1580 FALSE
, /* pc_relative */
1582 complain_overflow_signed
,/* complain_on_overflow */
1583 reloc_nil
, /* special_function */
1584 "CODEADDR", /* name */
1585 FALSE
, /* partial_inplace */
1586 0xffffffff, /* src_mask */
1587 0xffffffff, /* dst_mask */
1588 FALSE
), /* pcrel_offset */
1592 /* Return a pointer to a howto structure which, when invoked, will perform
1593 the relocation code on data from the architecture noted. */
1595 static const struct reloc_howto_struct
*
1596 vms_bfd_reloc_type_lookup (abfd
, code
)
1597 bfd
*abfd ATTRIBUTE_UNUSED
;
1598 bfd_reloc_code_real_type code
;
1603 vms_debug (1, "vms_bfd_reloc_type_lookup(%p, %d)\t", abfd
, code
);
1608 case BFD_RELOC_16
: alpha_type
= ALPHA_R_SREL16
; break;
1609 case BFD_RELOC_32
: alpha_type
= ALPHA_R_REFLONG
; break;
1610 case BFD_RELOC_64
: alpha_type
= ALPHA_R_REFQUAD
; break;
1611 case BFD_RELOC_CTOR
: alpha_type
= ALPHA_R_REFQUAD
; break;
1612 case BFD_RELOC_23_PCREL_S2
: alpha_type
= ALPHA_R_BRADDR
; break;
1613 case BFD_RELOC_ALPHA_HINT
: alpha_type
= ALPHA_R_HINT
; break;
1614 case BFD_RELOC_16_PCREL
: alpha_type
= ALPHA_R_SREL16
; break;
1615 case BFD_RELOC_32_PCREL
: alpha_type
= ALPHA_R_SREL32
; break;
1616 case BFD_RELOC_64_PCREL
: alpha_type
= ALPHA_R_SREL64
; break;
1617 case BFD_RELOC_ALPHA_LINKAGE
: alpha_type
= ALPHA_R_LINKAGE
; break;
1618 case BFD_RELOC_ALPHA_CODEADDR
: alpha_type
= ALPHA_R_CODEADDR
; break;
1620 (*_bfd_error_handler
) ("reloc (%d) is *UNKNOWN*", code
);
1621 return (const struct reloc_howto_struct
*) NULL
;
1624 vms_debug (2, "reloc is %s\n", alpha_howto_table
[alpha_type
].name
);
1626 return &alpha_howto_table
[alpha_type
];
1629 /*-- Part 4.7, writing an object file ---------------------------------------*/
1631 /* Set the architecture and machine type in BFD abfd to arch and mach.
1632 Find the correct pointer to a structure and insert it into the arch_info
1636 vms_set_arch_mach (abfd
, arch
, mach
)
1638 enum bfd_architecture arch ATTRIBUTE_UNUSED
;
1639 unsigned long mach ATTRIBUTE_UNUSED
;
1642 vms_debug (1, "vms_set_arch_mach(%p, %d, %ld)\n", abfd
, arch
, mach
);
1644 abfd
->arch_info
= bfd_scan_arch("alpha");
1649 /* Sets the contents of the section section in BFD abfd to the data starting
1650 in memory at data. The data is written to the output section starting at
1651 offset offset for count bytes.
1653 Normally TRUE is returned, else FALSE. Possible error returns are:
1654 o bfd_error_no_contents - The output section does not have the
1655 SEC_HAS_CONTENTS attribute, so nothing can be written to it.
1656 o and some more too */
1659 vms_set_section_contents (abfd
, section
, location
, offset
, count
)
1664 bfd_size_type count
;
1667 vms_debug (1, "vms_set_section_contents(%p, sec %s, loc %p, off %ld, count %d)\n",
1668 abfd
, section
->name
, location
, (long int)offset
, (int)count
);
1669 vms_debug (2, "secraw %d, seccooked %d\n", (int)section
->_raw_size
, (int)section
->_cooked_size
);
1671 return _bfd_save_vms_section(abfd
, section
, location
, offset
, count
);
1674 /*-- Part 4.8, linker -------------------------------------------------------*/
1676 /* Get the size of the section headers. */
1679 vms_sizeof_headers (abfd
, reloc
)
1680 bfd
*abfd ATTRIBUTE_UNUSED
;
1681 bfd_boolean reloc ATTRIBUTE_UNUSED
;
1684 vms_debug (1, "vms_sizeof_headers(%p, %s)\n", abfd
, (reloc
)?"True":"False");
1689 /* Provides default handling of relocation effort for back ends
1690 which can't be bothered to do it efficiently. */
1693 vms_bfd_get_relocated_section_contents (abfd
, link_info
, link_order
, data
,
1694 relocatable
, symbols
)
1695 bfd
*abfd ATTRIBUTE_UNUSED
;
1696 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1697 struct bfd_link_order
*link_order ATTRIBUTE_UNUSED
;
1698 bfd_byte
*data ATTRIBUTE_UNUSED
;
1699 bfd_boolean relocatable ATTRIBUTE_UNUSED
;
1700 asymbol
**symbols ATTRIBUTE_UNUSED
;
1703 vms_debug (1, "vms_bfd_get_relocated_section_contents(%p, %p, %p, %p, %s, %p)\n",
1704 abfd
, link_info
, link_order
, data
, (relocatable
)?"True":"False", symbols
);
1712 vms_bfd_relax_section (abfd
, section
, link_info
, again
)
1713 bfd
*abfd ATTRIBUTE_UNUSED
;
1714 asection
*section ATTRIBUTE_UNUSED
;
1715 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1716 bfd_boolean
*again ATTRIBUTE_UNUSED
;
1719 vms_debug (1, "vms_bfd_relax_section(%p, %s, %p, <ret>)\n",
1720 abfd
, section
->name
, link_info
);
1726 vms_bfd_gc_sections (abfd
, link_info
)
1727 bfd
*abfd ATTRIBUTE_UNUSED
;
1728 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1731 vms_debug (1, "vms_bfd_gc_sections(%p, %p)\n", abfd
, link_info
);
1737 vms_bfd_merge_sections (abfd
, link_info
)
1738 bfd
*abfd ATTRIBUTE_UNUSED
;
1739 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1742 vms_debug (1, "vms_bfd_merge_sections(%p, %p)\n", abfd
, link_info
);
1747 /* Create a hash table for the linker. Different backends store
1748 different information in this table. */
1750 static struct bfd_link_hash_table
*
1751 vms_bfd_link_hash_table_create (abfd
)
1752 bfd
*abfd ATTRIBUTE_UNUSED
;
1755 vms_debug (1, "vms_bfd_link_hash_table_create(%p)\n", abfd
);
1760 /* Free a linker hash table. */
1763 vms_bfd_link_hash_table_free (hash
)
1764 struct bfd_link_hash_table
*hash ATTRIBUTE_UNUSED
;
1767 vms_debug (1, "vms_bfd_link_hash_table_free(%p)\n", abfd
);
1771 /* Add symbols from this object file into the hash table. */
1774 vms_bfd_link_add_symbols (abfd
, link_info
)
1775 bfd
*abfd ATTRIBUTE_UNUSED
;
1776 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1779 vms_debug (1, "vms_bfd_link_add_symbols(%p, %p)\n", abfd
, link_info
);
1784 /* Do a link based on the link_order structures attached to each
1785 section of the BFD. */
1788 vms_bfd_final_link (abfd
, link_info
)
1789 bfd
*abfd ATTRIBUTE_UNUSED
;
1790 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1793 vms_debug (1, "vms_bfd_final_link(%p, %p)\n", abfd
, link_info
);
1798 /* Should this section be split up into smaller pieces during linking. */
1801 vms_bfd_link_split_section (abfd
, section
)
1802 bfd
*abfd ATTRIBUTE_UNUSED
;
1803 asection
*section ATTRIBUTE_UNUSED
;
1806 vms_debug (1, "vms_bfd_link_split_section(%p, %s)\n", abfd
, section
->name
);
1811 /*-- Part 4.9, dynamic symbols and relocations ------------------------------*/
1813 /* Get the amount of memory required to hold the dynamic symbols. */
1816 vms_get_dynamic_symtab_upper_bound (abfd
)
1817 bfd
*abfd ATTRIBUTE_UNUSED
;
1820 vms_debug (1, "vms_get_dynamic_symtab_upper_bound(%p)\n", abfd
);
1826 vms_bfd_print_private_bfd_data (abfd
, file
)
1827 bfd
*abfd ATTRIBUTE_UNUSED
;
1828 void *file ATTRIBUTE_UNUSED
;
1831 vms_debug (1, "vms_bfd_print_private_bfd_data(%p)\n", abfd
);
1836 /* Read in the dynamic symbols. */
1839 vms_canonicalize_dynamic_symtab (abfd
, symbols
)
1840 bfd
*abfd ATTRIBUTE_UNUSED
;
1841 asymbol
**symbols ATTRIBUTE_UNUSED
;
1844 vms_debug (1, "vms_canonicalize_dynamic_symtab(%p, <ret>)\n", abfd
);
1849 /* Get the amount of memory required to hold the dynamic relocs. */
1852 vms_get_dynamic_reloc_upper_bound (abfd
)
1853 bfd
*abfd ATTRIBUTE_UNUSED
;
1856 vms_debug (1, "vms_get_dynamic_reloc_upper_bound(%p)\n", abfd
);
1861 /* Read in the dynamic relocs. */
1864 vms_canonicalize_dynamic_reloc (abfd
, arel
, symbols
)
1865 bfd
*abfd ATTRIBUTE_UNUSED
;
1866 arelent
**arel ATTRIBUTE_UNUSED
;
1867 asymbol
**symbols ATTRIBUTE_UNUSED
;
1870 vms_debug (1, "vms_canonicalize_dynamic_reloc(%p)\n", abfd
);