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_canonicalize_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
, const 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 #define vms_get_synthetic_symtab _bfd_nodynamic_get_synthetic_symtab
158 static long vms_get_dynamic_reloc_upper_bound
159 PARAMS ((bfd
*abfd
));
160 static long vms_canonicalize_dynamic_reloc
161 PARAMS ((bfd
*abfd
, arelent
**arel
, asymbol
**symbols
));
162 static bfd_boolean vms_bfd_merge_private_bfd_data
163 PARAMS ((bfd
*ibfd
, bfd
*obfd
));
164 static bfd_boolean vms_bfd_set_private_flags
165 PARAMS ((bfd
*abfd
, flagword flags
));
167 #define vms_make_empty_symbol _bfd_generic_make_empty_symbol
168 #define vms_bfd_link_just_syms _bfd_generic_link_just_syms
169 #define vms_bfd_discard_group bfd_generic_discard_group
171 /*===========================================================================*/
173 const bfd_target vms_alpha_vec
=
175 "vms-alpha", /* name */
176 bfd_target_evax_flavour
,
177 BFD_ENDIAN_LITTLE
, /* data byte order is little */
178 BFD_ENDIAN_LITTLE
, /* header byte order is little */
180 (HAS_RELOC
| HAS_SYMS
181 | WP_TEXT
| D_PAGED
), /* object flags */
182 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
183 | SEC_READONLY
| SEC_CODE
| SEC_DATA
184 | SEC_HAS_CONTENTS
| SEC_IN_MEMORY
), /* sect flags */
185 0, /* symbol_leading_char */
186 ' ', /* ar_pad_char */
187 15, /* ar_max_namelen */
188 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
189 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
190 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
191 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
192 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
193 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
195 {_bfd_dummy_target
, vms_object_p
, /* bfd_check_format */
196 vms_archive_p
, _bfd_dummy_target
},
197 {bfd_false
, vms_mkobject
, /* bfd_set_format */
198 _bfd_generic_mkarchive
, bfd_false
},
199 {bfd_false
, vms_write_object_contents
, /* bfd_write_contents */
200 _bfd_write_archive_contents
, bfd_false
},
202 BFD_JUMP_TABLE_GENERIC (vms
),
203 BFD_JUMP_TABLE_COPY (vms
),
204 BFD_JUMP_TABLE_CORE (vms
),
205 BFD_JUMP_TABLE_ARCHIVE (vms
),
206 BFD_JUMP_TABLE_SYMBOLS (vms
),
207 BFD_JUMP_TABLE_RELOCS (vms
),
208 BFD_JUMP_TABLE_WRITE (vms
),
209 BFD_JUMP_TABLE_LINK (vms
),
210 BFD_JUMP_TABLE_DYNAMIC (vms
),
217 const bfd_target vms_vax_vec
=
219 "vms-vax", /* name */
220 bfd_target_ovax_flavour
,
221 BFD_ENDIAN_LITTLE
, /* data byte order is little */
222 BFD_ENDIAN_LITTLE
, /* header byte order is little */
224 (HAS_RELOC
| HAS_SYMS
/* object flags */
226 | HAS_LINENO
| HAS_DEBUG
| HAS_LOCALS
),
228 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
229 | SEC_READONLY
| SEC_CODE
| SEC_DATA
230 | SEC_HAS_CONTENTS
| SEC_IN_MEMORY
), /* sect flags */
231 0, /* symbol_leading_char */
232 ' ', /* ar_pad_char */
233 15, /* ar_max_namelen */
234 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
235 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
236 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
, /* data */
237 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
238 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
239 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
, /* hdrs */
241 {_bfd_dummy_target
, vms_object_p
, /* bfd_check_format */
242 vms_archive_p
, _bfd_dummy_target
},
243 {bfd_false
, vms_mkobject
, /* bfd_set_format */
244 _bfd_generic_mkarchive
, bfd_false
},
245 {bfd_false
, vms_write_object_contents
, /* bfd_write_contents */
246 _bfd_write_archive_contents
, bfd_false
},
248 BFD_JUMP_TABLE_GENERIC (vms
),
249 BFD_JUMP_TABLE_COPY (vms
),
250 BFD_JUMP_TABLE_CORE (vms
),
251 BFD_JUMP_TABLE_ARCHIVE (vms
),
252 BFD_JUMP_TABLE_SYMBOLS (vms
),
253 BFD_JUMP_TABLE_RELOCS (vms
),
254 BFD_JUMP_TABLE_WRITE (vms
),
255 BFD_JUMP_TABLE_LINK (vms
),
256 BFD_JUMP_TABLE_DYNAMIC (vms
),
263 /*===========================================================================*/
265 /* Initialize private data */
268 vms_initialize (abfd
)
274 bfd_set_start_address (abfd
, (bfd_vma
) -1);
276 amt
= sizeof (struct vms_private_data_struct
);
277 abfd
->tdata
.any
= (struct vms_private_data_struct
*) bfd_alloc (abfd
, amt
);
278 if (abfd
->tdata
.any
== 0)
288 PRIV (rec_length
) = 0;
289 PRIV (file_format
) = FF_UNKNOWN
;
290 PRIV (fixup_done
) = FALSE
;
291 PRIV (sections
) = NULL
;
293 amt
= sizeof (struct stack_struct
) * STACKSIZE
;
294 PRIV (stack
) = (struct stack_struct
*) bfd_alloc (abfd
, amt
);
295 if (PRIV (stack
) == 0)
299 amt
= sizeof (struct bfd_hash_table
);
300 PRIV (vms_symbol_table
) = (struct bfd_hash_table
*) bfd_alloc (abfd
, amt
);
301 if (PRIV (vms_symbol_table
) == 0)
304 if (!bfd_hash_table_init (PRIV (vms_symbol_table
), _bfd_vms_hash_newfunc
))
307 amt
= sizeof (struct location_struct
) * LOCATION_SAVE_SIZE
;
308 PRIV (location_stack
) = (struct location_struct
*) bfd_alloc (abfd
, amt
);
309 if (PRIV (location_stack
) == 0)
312 for (i
= 0; i
< VMS_SECTION_COUNT
; i
++)
313 PRIV (vms_section_table
)[i
] = NULL
;
315 amt
= MAX_OUTREC_SIZE
;
316 PRIV (output_buf
) = (unsigned char *) bfd_alloc (abfd
, amt
);
317 if (PRIV (output_buf
) == 0)
320 PRIV (push_level
) = 0;
321 PRIV (pushed_size
) = 0;
322 PRIV (length_pos
) = 2;
323 PRIV (output_size
) = 0;
324 PRIV (output_alignment
) = 1;
329 bfd_hash_table_free (PRIV (vms_symbol_table
));
331 bfd_release (abfd
, abfd
->tdata
.any
);
336 /* Fill symbol->section with section ptr
337 symbol->section is filled with the section index for defined symbols
338 during reading the GSD/EGSD section. But we need the pointer to the
341 It has the correct value for referenced (undefined section) symbols
343 called from bfd_hash_traverse in vms_fixup_sections */
346 fill_section_ptr (entry
, sections
)
347 struct bfd_hash_entry
*entry
;
353 sym
= ((vms_symbol_entry
*)entry
)->symbol
;
357 vms_debug (6, "fill_section_ptr: sym %p, sec %p\n", sym
, sec
);
360 /* fill forward references (these contain section number, not section ptr). */
362 if ((unsigned int) sec
< priv_section_count
)
364 sec
= ((vms_symbol_entry
*)entry
)->symbol
->section
=
365 ((asection
**)sections
)[(int)sec
];
368 if (strcmp (sym
->name
, sec
->name
) == 0)
369 sym
->flags
|= BSF_SECTION_SYM
;
375 set up all pointers and arrays, counters and sizes are fixed now
377 we build a private sections vector for easy access since sections
378 are always referenced by an index number.
380 alloc PRIV(sections) according to abfd->section_count
381 copy abfd->sections to PRIV(sections) */
384 vms_fixup_sections (abfd
)
387 if (PRIV (fixup_done
))
391 * traverse symbol table and fill in all section pointers
394 /* can't provide section count as argument to fill_section_ptr(). */
395 priv_section_count
= PRIV (section_count
);
396 bfd_hash_traverse (PRIV (vms_symbol_table
), fill_section_ptr
,
397 (PTR
) (PRIV (sections
)));
399 PRIV (fixup_done
) = TRUE
;
404 /*===========================================================================*/
406 /* Check the format for a file being read.
407 Return a (bfd_target *) if it's an object file or zero if not. */
409 static const struct bfd_target
*
415 const struct bfd_target
*target_vector
= 0;
416 const bfd_arch_info_type
*arch
= 0;
417 PTR tdata_save
= abfd
->tdata
.any
;
418 bfd_vma saddr_save
= bfd_get_start_address (abfd
);
421 vms_debug (1, "vms_object_p(%p)\n", abfd
);
424 if (!vms_initialize (abfd
))
427 if (bfd_seek (abfd
, (file_ptr
) 0, SEEK_SET
))
428 goto err_wrong_format
;
435 vms_debug (7, "reading at %08lx\n", bfd_tell(abfd
));
437 if (_bfd_vms_next_record (abfd
) < 0)
440 vms_debug (2, "next_record failed\n");
442 goto err_wrong_format
;
445 if ((prev_type
== EOBJ_S_C_EGSD
)
446 && (PRIV (rec_type
) != EOBJ_S_C_EGSD
))
448 if (! vms_fixup_sections (abfd
))
451 vms_debug (2, "vms_fixup_sections failed\n");
453 goto err_wrong_format
;
457 prev_type
= PRIV (rec_type
);
459 if (target_vector
== 0)
461 if (prev_type
<= OBJ_S_C_MAXRECTYP
)
462 target_vector
= &vms_vax_vec
;
464 target_vector
= &vms_alpha_vec
;
471 err
= _bfd_vms_slurp_hdr (abfd
, prev_type
);
476 err
= _bfd_vms_slurp_eom (abfd
, prev_type
);
480 err
= _bfd_vms_slurp_gsd (abfd
, prev_type
);
484 err
= _bfd_vms_slurp_tir (abfd
, prev_type
);
488 err
= _bfd_vms_slurp_dbg (abfd
, prev_type
);
492 err
= _bfd_vms_slurp_tbt (abfd
, prev_type
);
495 err
= _bfd_vms_slurp_lnk (abfd
, prev_type
);
503 vms_debug (2, "slurp type %d failed with %d\n", prev_type
, err
);
505 goto err_wrong_format
;
508 while ((prev_type
!= EOBJ_S_C_EEOM
) && (prev_type
!= OBJ_S_C_EOM
) && (prev_type
!= OBJ_S_C_EOMW
));
510 if (target_vector
== &vms_vax_vec
)
512 if (! vms_fixup_sections (abfd
))
515 vms_debug (2, "vms_fixup_sections failed\n");
517 goto err_wrong_format
;
520 /* set arch_info to vax */
522 arch
= bfd_scan_arch ("vax");
525 vms_debug (2, "arch is vax\n");
528 else if (target_vector
== &vms_alpha_vec
)
530 /* set arch_info to alpha */
532 arch
= bfd_scan_arch ("alpha");
535 vms_debug (2, "arch is alpha\n");
542 vms_debug (2, "arch not found\n");
544 goto err_wrong_format
;
546 abfd
->arch_info
= arch
;
548 return target_vector
;
551 bfd_set_error (bfd_error_wrong_format
);
553 if (abfd
->tdata
.any
!= tdata_save
&& abfd
->tdata
.any
!= NULL
)
554 bfd_release (abfd
, abfd
->tdata
.any
);
555 abfd
->tdata
.any
= tdata_save
;
556 bfd_set_start_address (abfd
, saddr_save
);
560 /* Check the format for a file being read.
561 Return a (bfd_target *) if it's an archive file or zero. */
563 static const struct bfd_target
*
565 bfd
*abfd ATTRIBUTE_UNUSED
;
568 vms_debug (1, "vms_archive_p(%p)\n", abfd
);
574 /* Set the format of a file being written. */
581 vms_debug (1, "vms_mkobject(%p)\n", abfd
);
584 if (!vms_initialize (abfd
))
589 const bfd_arch_info_type
*arch
= bfd_scan_arch ("vax");
591 const bfd_arch_info_type
*arch
= bfd_scan_arch ("alpha");
595 bfd_set_error(bfd_error_wrong_format
);
598 abfd
->arch_info
= arch
;
604 /* Write cached information into a file being written, at bfd_close. */
607 vms_write_object_contents (abfd
)
611 vms_debug (1, "vms_write_object_contents(%p)\n", abfd
);
614 if (abfd
->section_count
> 0) /* we have sections */
618 if (_bfd_vms_write_hdr (abfd
, OBJ_S_C_HDR
) != 0)
620 if (_bfd_vms_write_gsd (abfd
, OBJ_S_C_GSD
) != 0)
622 if (_bfd_vms_write_tir (abfd
, OBJ_S_C_TIR
) != 0)
624 if (_bfd_vms_write_tbt (abfd
, OBJ_S_C_TBT
) != 0)
626 if (_bfd_vms_write_dbg (abfd
, OBJ_S_C_DBG
) != 0)
628 if (abfd
->section_count
> 255)
630 if (_bfd_vms_write_eom (abfd
, OBJ_S_C_EOMW
) != 0)
635 if (_bfd_vms_write_eom (abfd
, OBJ_S_C_EOM
) != 0)
641 if (_bfd_vms_write_hdr (abfd
, EOBJ_S_C_EMH
) != 0)
643 if (_bfd_vms_write_gsd (abfd
, EOBJ_S_C_EGSD
) != 0)
645 if (_bfd_vms_write_tir (abfd
, EOBJ_S_C_ETIR
) != 0)
647 if (_bfd_vms_write_tbt (abfd
, EOBJ_S_C_ETBT
) != 0)
649 if (_bfd_vms_write_dbg (abfd
, EOBJ_S_C_EDBG
) != 0)
651 if (_bfd_vms_write_eom (abfd
, EOBJ_S_C_EEOM
) != 0)
658 /*-- 4.1, generic -----------------------------------------------------------*/
660 /* Called when the BFD is being closed to do any necessary cleanup. */
663 vms_close_and_cleanup (abfd
)
667 vms_debug (1, "vms_close_and_cleanup(%p)\n", abfd
);
672 if (PRIV (vms_buf
) != NULL
)
673 free (PRIV (vms_buf
));
675 if (PRIV (sections
) != NULL
)
676 free (PRIV (sections
));
678 if (PRIV (vms_symbol_table
))
679 bfd_hash_table_free (PRIV (vms_symbol_table
));
681 bfd_release (abfd
, abfd
->tdata
.any
);
682 abfd
->tdata
.any
= NULL
;
687 /* Ask the BFD to free all cached information. */
689 vms_bfd_free_cached_info (abfd
)
690 bfd
*abfd ATTRIBUTE_UNUSED
;
693 vms_debug (1, "vms_bfd_free_cached_info(%p)\n", abfd
);
698 /* Called when a new section is created. */
701 vms_new_section_hook (abfd
, section
)
705 /* Count hasn't been incremented yet. */
706 unsigned int section_count
= abfd
->section_count
+ 1;
709 vms_debug (1, "vms_new_section_hook (%p, [%d]%s), count %d\n",
710 abfd
, section
->index
, section
->name
, section_count
);
712 bfd_set_section_alignment (abfd
, section
, 4);
714 if (section_count
> PRIV (section_count
))
716 bfd_size_type amt
= section_count
;
717 amt
*= sizeof (asection
*);
718 PRIV (sections
) = (asection
**) bfd_realloc (PRIV (sections
), amt
);
719 if (PRIV (sections
) == 0)
721 PRIV (section_count
) = section_count
;
724 vms_debug (6, "section_count: %d\n", PRIV (section_count
));
726 PRIV (sections
)[section
->index
] = section
;
728 vms_debug (7, "%d: %s\n", section
->index
, section
->name
);
734 /* Read the contents of a section.
735 buf points to a buffer of buf_size bytes to be filled with
736 section data (starting at offset into section) */
739 vms_get_section_contents (abfd
, section
, buf
, offset
, buf_size
)
740 bfd
*abfd ATTRIBUTE_UNUSED
;
741 asection
*section ATTRIBUTE_UNUSED
;
742 PTR buf ATTRIBUTE_UNUSED
;
743 file_ptr offset ATTRIBUTE_UNUSED
;
744 bfd_size_type buf_size ATTRIBUTE_UNUSED
;
747 vms_debug (1, "vms_get_section_contents(%p, %s, %p, off %ld, size %d)\n",
748 abfd
, section
->name
, buf
, offset
, (int)buf_size
);
751 /* shouldn't be called, since all sections are IN_MEMORY */
756 /* Read the contents of a section.
757 buf points to a buffer of buf_size bytes to be filled with
758 section data (starting at offset into section) */
761 vms_get_section_contents_in_window (abfd
, section
, w
, offset
, count
)
762 bfd
*abfd ATTRIBUTE_UNUSED
;
763 asection
*section ATTRIBUTE_UNUSED
;
764 bfd_window
*w ATTRIBUTE_UNUSED
;
765 file_ptr offset ATTRIBUTE_UNUSED
;
766 bfd_size_type count ATTRIBUTE_UNUSED
;
769 vms_debug (1, "vms_get_section_contents_in_window(%p, %s, %p, off %ld, count %d)\n",
770 abfd
, section
->name
, w
, offset
, (int)count
);
773 /* shouldn't be called, since all sections are IN_MEMORY */
778 /*-- Part 4.2, copy private data --------------------------------------------*/
780 /* Called to copy BFD general private data from one object file
784 vms_bfd_copy_private_bfd_data (src
, dest
)
785 bfd
*src ATTRIBUTE_UNUSED
;
786 bfd
*dest ATTRIBUTE_UNUSED
;
789 vms_debug (1, "vms_bfd_copy_private_bfd_data(%p, %p)\n", src
, dest
);
794 /* Merge private BFD information from the BFD @var{ibfd} to the
795 the output file BFD @var{obfd} when linking. Return <<TRUE>>
796 on success, <<FALSE>> on error. Possible error returns are:
798 o <<bfd_error_no_memory>> -
799 Not enough memory exists to create private data for @var{obfd}. */
802 vms_bfd_merge_private_bfd_data (ibfd
, obfd
)
803 bfd
*ibfd ATTRIBUTE_UNUSED
;
804 bfd
*obfd ATTRIBUTE_UNUSED
;
807 vms_debug (1,"vms_bfd_merge_private_bfd_data(%p, %p)\n", ibfd
, obfd
);
812 /* Set private BFD flag information in the BFD @var{abfd}.
813 Return <<TRUE>> on success, <<FALSE>> on error. Possible error
816 o <<bfd_error_no_memory>> -
817 Not enough memory exists to create private data for @var{obfd}. */
820 vms_bfd_set_private_flags (abfd
, flags
)
821 bfd
*abfd ATTRIBUTE_UNUSED
;
822 flagword flags ATTRIBUTE_UNUSED
;
825 vms_debug (1,"vms_bfd_set_private_flags(%p, %lx)\n", abfd
, (long)flags
);
830 /* Called to copy BFD private section data from one object file
834 vms_bfd_copy_private_section_data (srcbfd
, srcsec
, dstbfd
, dstsec
)
835 bfd
*srcbfd ATTRIBUTE_UNUSED
;
836 asection
*srcsec ATTRIBUTE_UNUSED
;
837 bfd
*dstbfd ATTRIBUTE_UNUSED
;
838 asection
*dstsec ATTRIBUTE_UNUSED
;
841 vms_debug (1, "vms_bfd_copy_private_section_data(%p, %s, %p, %s)\n",
842 srcbfd
, srcsec
->name
, dstbfd
, dstsec
->name
);
847 /* Called to copy BFD private symbol data from one object file
851 vms_bfd_copy_private_symbol_data (ibfd
, isym
, obfd
, osym
)
852 bfd
*ibfd ATTRIBUTE_UNUSED
;
853 asymbol
*isym ATTRIBUTE_UNUSED
;
854 bfd
*obfd ATTRIBUTE_UNUSED
;
855 asymbol
*osym ATTRIBUTE_UNUSED
;
858 vms_debug (1, "vms_bfd_copy_private_symbol_data(%p, %s, %p, %s)\n",
859 ibfd
, isym
->name
, obfd
, osym
->name
);
864 /*-- Part 4.3, core file ----------------------------------------------------*/
866 /* Return a read-only string explaining which program was running
867 when it failed and produced the core file abfd. */
870 vms_core_file_failing_command (abfd
)
871 bfd
*abfd ATTRIBUTE_UNUSED
;
874 vms_debug (1, "vms_core_file_failing_command(%p)\n", abfd
);
879 /* Returns the signal number which caused the core dump which
880 generated the file the BFD abfd is attached to. */
883 vms_core_file_failing_signal (abfd
)
884 bfd
*abfd ATTRIBUTE_UNUSED
;
887 vms_debug (1, "vms_core_file_failing_signal(%p)\n", abfd
);
892 /* Return TRUE if the core file attached to core_bfd was generated
893 by a run of the executable file attached to exec_bfd, FALSE otherwise. */
896 vms_core_file_matches_executable_p (abfd
, bbfd
)
897 bfd
*abfd ATTRIBUTE_UNUSED
;
898 bfd
*bbfd ATTRIBUTE_UNUSED
;
901 vms_debug (1, "vms_core_file_matches_executable_p(%p, %p)\n", abfd
, bbfd
);
906 /*-- Part 4.4, archive ------------------------------------------------------*/
908 /* ??? do something with an archive map.
909 Return FALSE on error, TRUE otherwise. */
912 vms_slurp_armap (abfd
)
913 bfd
*abfd ATTRIBUTE_UNUSED
;
916 vms_debug (1, "vms_slurp_armap(%p)\n", abfd
);
921 /* ??? do something with an extended name table.
922 Return FALSE on error, TRUE otherwise. */
925 vms_slurp_extended_name_table (abfd
)
926 bfd
*abfd ATTRIBUTE_UNUSED
;
929 vms_debug (1, "vms_slurp_extended_name_table(%p)\n", abfd
);
934 /* ??? do something with an extended name table.
935 Return FALSE on error, TRUE otherwise. */
938 vms_construct_extended_name_table (abfd
, tabloc
, tablen
, name
)
939 bfd
*abfd ATTRIBUTE_UNUSED
;
940 char **tabloc ATTRIBUTE_UNUSED
;
941 bfd_size_type
*tablen ATTRIBUTE_UNUSED
;
942 const char **name ATTRIBUTE_UNUSED
;
945 vms_debug (1, "vms_construct_extended_name_table(%p)\n", abfd
);
950 /* Truncate the name of an archive to match system-dependent restrictions */
953 vms_truncate_arname (abfd
, pathname
, arhdr
)
954 bfd
*abfd ATTRIBUTE_UNUSED
;
955 const char *pathname ATTRIBUTE_UNUSED
;
956 char *arhdr ATTRIBUTE_UNUSED
;
959 vms_debug (1, "vms_truncate_arname(%p, %s, %s)\n", abfd
, pathname
, arhdr
);
964 /* ??? write archive map */
967 vms_write_armap (arch
, elength
, map
, orl_count
, stridx
)
968 bfd
*arch ATTRIBUTE_UNUSED
;
969 unsigned int elength ATTRIBUTE_UNUSED
;
970 struct orl
*map ATTRIBUTE_UNUSED
;
971 unsigned int orl_count ATTRIBUTE_UNUSED
;
972 int stridx ATTRIBUTE_UNUSED
;
975 vms_debug (1, "vms_write_armap(%p, %d, %p, %d %d)\n",
976 arch
, elength
, map
, orl_count
, stridx
);
981 /* Read archive header ??? */
984 vms_read_ar_hdr (abfd
)
985 bfd
* abfd ATTRIBUTE_UNUSED
;
988 vms_debug (1, "vms_read_ar_hdr(%p)\n", abfd
);
993 /* Provided a BFD, @var{archive}, containing an archive and NULL, open
994 an input BFD on the first contained element and returns that.
995 Subsequent calls should pass the archive and the previous return value
996 to return a created BFD to the next contained element.
997 NULL is returned when there are no more. */
1000 vms_openr_next_archived_file (arch
, prev
)
1001 bfd
*arch ATTRIBUTE_UNUSED
;
1002 bfd
*prev ATTRIBUTE_UNUSED
;
1005 vms_debug (1, "vms_openr_next_archived_file(%p, %p)\n", arch
, prev
);
1010 /* Return the BFD which is referenced by the symbol in ABFD indexed by
1011 INDEX. INDEX should have been returned by bfd_get_next_mapent. */
1014 vms_get_elt_at_index (abfd
, index
)
1019 vms_debug (1, "vms_get_elt_at_index(%p, %p)\n", abfd
, index
);
1021 return _bfd_generic_get_elt_at_index(abfd
, index
);
1025 -> bfd_generic_stat_arch_elt */
1028 vms_generic_stat_arch_elt (abfd
, st
)
1033 vms_debug (1, "vms_generic_stat_arch_elt(%p, %p)\n", abfd
, st
);
1035 return bfd_generic_stat_arch_elt (abfd
, st
);
1038 /* This is a new function in bfd 2.5 */
1041 vms_update_armap_timestamp (abfd
)
1042 bfd
*abfd ATTRIBUTE_UNUSED
;
1045 vms_debug (1, "vms_update_armap_timestamp(%p)\n", abfd
);
1050 /*-- Part 4.5, symbols --------------------------------------------------------*/
1052 /* Return the number of bytes required to store a vector of pointers
1053 to asymbols for all the symbols in the BFD abfd, including a
1054 terminal NULL pointer. If there are no symbols in the BFD,
1055 then return 0. If an error occurs, return -1. */
1058 vms_get_symtab_upper_bound (abfd
)
1062 vms_debug (1, "vms_get_symtab_upper_bound(%p), %d symbols\n", abfd
, PRIV (gsd_sym_count
));
1064 return (PRIV (gsd_sym_count
)+1) * sizeof (asymbol
*);
1067 /* Copy symbols from hash table to symbol vector
1069 called from bfd_hash_traverse in vms_canonicalize_symtab
1070 init counter to 0 if entry == 0 */
1073 copy_symbols (entry
, arg
)
1074 struct bfd_hash_entry
*entry
;
1077 bfd
*abfd
= (bfd
*) arg
;
1079 if (entry
== NULL
) /* init counter */
1081 else /* fill vector, inc counter */
1082 PRIV (symcache
)[PRIV (symnum
)++] = ((vms_symbol_entry
*)entry
)->symbol
;
1087 /* Read the symbols from the BFD abfd, and fills in the vector
1088 location with pointers to the symbols and a trailing NULL.
1090 return # of symbols read */
1093 vms_canonicalize_symtab (abfd
, symbols
)
1098 vms_debug (1, "vms_canonicalize_symtab(%p, <ret>)\n", abfd
);
1102 (void)copy_symbols((struct bfd_hash_entry
*)0, abfd
);
1104 /* traverse table and fill symbols vector */
1106 PRIV (symcache
) = symbols
;
1107 bfd_hash_traverse(PRIV (vms_symbol_table
), copy_symbols
, (PTR
)abfd
);
1109 symbols
[PRIV (gsd_sym_count
)] = NULL
;
1111 return PRIV (gsd_sym_count
);
1114 /* Print symbol to file according to how. how is one of
1115 bfd_print_symbol_name just print the name
1116 bfd_print_symbol_more print more (???)
1117 bfd_print_symbol_all print all we know, which is not much right now :-) */
1120 vms_print_symbol (abfd
, file
, symbol
, how
)
1124 bfd_print_symbol_type how
;
1127 vms_debug (1, "vms_print_symbol(%p, %p, %p, %d)\n", abfd
, file
, symbol
, how
);
1132 case bfd_print_symbol_name
:
1133 case bfd_print_symbol_more
:
1134 fprintf ((FILE *)file
," %s", symbol
->name
);
1137 case bfd_print_symbol_all
:
1139 const char *section_name
= symbol
->section
->name
;
1141 bfd_print_symbol_vandf (abfd
, (PTR
)file
, symbol
);
1143 fprintf ((FILE *)file
," %-8s %s", section_name
, symbol
->name
);
1150 /* Return information about symbol in ret.
1152 fill type, value and name
1155 B bss segment symbol
1157 D data segment symbol
1159 t a static function symbol
1160 T text segment symbol
1165 vms_get_symbol_info (abfd
, symbol
, ret
)
1166 bfd
*abfd ATTRIBUTE_UNUSED
;
1173 vms_debug (1, "vms_get_symbol_info(%p, %p, %p)\n", abfd
, symbol
, ret
);
1176 sec
= symbol
->section
;
1181 if (bfd_is_com_section (sec
))
1183 else if (bfd_is_abs_section (sec
))
1185 else if (bfd_is_und_section (sec
))
1187 else if (bfd_is_ind_section (sec
))
1189 else if (bfd_get_section_flags (abfd
, sec
) & SEC_CODE
)
1191 else if (bfd_get_section_flags (abfd
, sec
) & SEC_DATA
)
1193 else if (bfd_get_section_flags (abfd
, sec
) & SEC_ALLOC
)
1198 if (ret
->type
!= 'U')
1199 ret
->value
= symbol
->value
+ symbol
->section
->vma
;
1202 ret
->name
= symbol
->name
;
1207 /* Return TRUE if the given symbol sym in the BFD abfd is
1208 a compiler generated local label, else return FALSE. */
1211 vms_bfd_is_local_label_name (abfd
, name
)
1212 bfd
*abfd ATTRIBUTE_UNUSED
;
1216 vms_debug (1, "vms_bfd_is_local_label_name(%p, %s)\n", abfd
, name
);
1218 return name
[0] == '$';
1221 /* Get source line number for symbol */
1224 vms_get_lineno (abfd
, symbol
)
1225 bfd
*abfd ATTRIBUTE_UNUSED
;
1226 asymbol
*symbol ATTRIBUTE_UNUSED
;
1229 vms_debug (1, "vms_get_lineno(%p, %p)\n", abfd
, symbol
);
1234 /* Provided a BFD, a section and an offset into the section, calculate and
1235 return the name of the source file and the line nearest to the wanted
1239 vms_find_nearest_line (abfd
, section
, symbols
, offset
, file
, func
, line
)
1240 bfd
*abfd ATTRIBUTE_UNUSED
;
1241 asection
*section ATTRIBUTE_UNUSED
;
1242 asymbol
**symbols ATTRIBUTE_UNUSED
;
1243 bfd_vma offset ATTRIBUTE_UNUSED
;
1244 const char **file ATTRIBUTE_UNUSED
;
1245 const char **func ATTRIBUTE_UNUSED
;
1246 unsigned int *line ATTRIBUTE_UNUSED
;
1249 vms_debug (1, "vms_find_nearest_line(%p, %s, %p, %ld, <ret>, <ret>, <ret>)\n",
1250 abfd
, section
->name
, symbols
, (long int)offset
);
1255 /* Back-door to allow format-aware applications to create debug symbols
1256 while using BFD for everything else. Currently used by the assembler
1257 when creating COFF files. */
1260 vms_bfd_make_debug_symbol (abfd
, ptr
, size
)
1261 bfd
*abfd ATTRIBUTE_UNUSED
;
1262 void *ptr ATTRIBUTE_UNUSED
;
1263 unsigned long size ATTRIBUTE_UNUSED
;
1266 vms_debug (1, "vms_bfd_make_debug_symbol(%p, %p, %ld)\n", abfd
, ptr
, size
);
1271 /* Read minisymbols. For minisymbols, we use the unmodified a.out
1272 symbols. The minisymbol_to_symbol function translates these into
1273 BFD asymbol structures. */
1276 vms_read_minisymbols (abfd
, dynamic
, minisymsp
, sizep
)
1278 bfd_boolean dynamic
;
1280 unsigned int *sizep
;
1283 vms_debug (1, "vms_read_minisymbols(%p, %d, %p, %d)\n", abfd
, dynamic
, minisymsp
, *sizep
);
1285 return _bfd_generic_read_minisymbols (abfd
, dynamic
, minisymsp
, sizep
);
1288 /* Convert a minisymbol to a BFD asymbol. A minisymbol is just an
1289 unmodified a.out symbol. The SYM argument is a structure returned
1290 by bfd_make_empty_symbol, which we fill in here. */
1293 vms_minisymbol_to_symbol (abfd
, dynamic
, minisym
, sym
)
1295 bfd_boolean dynamic
;
1300 vms_debug (1, "vms_minisymbol_to_symbol(%p, %d, %p, %p)\n", abfd
, dynamic
, minisym
, sym
);
1302 return _bfd_generic_minisymbol_to_symbol (abfd
, dynamic
, minisym
, sym
);
1305 /*-- Part 4.6, relocations --------------------------------------------------*/
1307 /* Return the number of bytes required to store the relocation information
1308 associated with section sect attached to bfd abfd.
1309 If an error occurs, return -1. */
1312 vms_get_reloc_upper_bound (abfd
, section
)
1313 bfd
*abfd ATTRIBUTE_UNUSED
;
1314 asection
*section ATTRIBUTE_UNUSED
;
1317 vms_debug (1, "vms_get_reloc_upper_bound(%p, %s)\n", abfd
, section
->name
);
1322 /* Call the back end associated with the open BFD abfd and translate the
1323 external form of the relocation information attached to sec into the
1324 internal canonical form. Place the table into memory at loc, which has
1325 been preallocated, usually by a call to bfd_get_reloc_upper_bound.
1326 Returns the number of relocs, or -1 on error. */
1329 vms_canonicalize_reloc (abfd
, section
, location
, symbols
)
1330 bfd
*abfd ATTRIBUTE_UNUSED
;
1331 asection
*section ATTRIBUTE_UNUSED
;
1332 arelent
**location ATTRIBUTE_UNUSED
;
1333 asymbol
**symbols ATTRIBUTE_UNUSED
;
1336 vms_debug (1, "vms_canonicalize_reloc(%p, %s, <ret>, <ret>)\n", abfd
, section
->name
);
1341 /*---------------------------------------------------------------------------*/
1342 /* this is just copied from ecoff-alpha, needs to be fixed probably */
1344 /* How to process the various reloc types. */
1346 static bfd_reloc_status_type
1347 reloc_nil (abfd
, reloc
, sym
, data
, sec
, output_bfd
, error_message
)
1348 bfd
*abfd ATTRIBUTE_UNUSED
;
1349 arelent
*reloc ATTRIBUTE_UNUSED
;
1350 asymbol
*sym ATTRIBUTE_UNUSED
;
1351 PTR data ATTRIBUTE_UNUSED
;
1352 asection
*sec ATTRIBUTE_UNUSED
;
1353 bfd
*output_bfd ATTRIBUTE_UNUSED
;
1354 char **error_message ATTRIBUTE_UNUSED
;
1357 vms_debug (1, "reloc_nil(abfd %p, output_bfd %p)\n", abfd
, output_bfd
);
1358 vms_debug (2, "In section %s, symbol %s\n",
1359 sec
->name
, sym
->name
);
1360 vms_debug (2, "reloc sym %s, addr %08lx, addend %08lx, reloc is a %s\n",
1361 reloc
->sym_ptr_ptr
[0]->name
,
1362 (unsigned long)reloc
->address
,
1363 (unsigned long)reloc
->addend
, reloc
->howto
->name
);
1364 vms_debug (2, "data at %p\n", data
);
1365 /* _bfd_hexdump (2, data, bfd_get_reloc_size(reloc->howto),0); */
1368 return bfd_reloc_ok
;
1371 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
1372 from smaller values. Start with zero, widen, *then* decrement. */
1373 #define MINUS_ONE (((bfd_vma)0) - 1)
1375 static reloc_howto_type alpha_howto_table
[] =
1377 HOWTO (ALPHA_R_IGNORE
, /* type */
1379 0, /* size (0 = byte, 1 = short, 2 = long) */
1381 TRUE
, /* pc_relative */
1383 complain_overflow_dont
, /* complain_on_overflow */
1384 reloc_nil
, /* special_function */
1385 "IGNORE", /* name */
1386 TRUE
, /* partial_inplace */
1389 TRUE
), /* pcrel_offset */
1391 /* A 64 bit reference to a symbol. */
1392 HOWTO (ALPHA_R_REFQUAD
, /* type */
1394 4, /* size (0 = byte, 1 = short, 2 = long) */
1396 FALSE
, /* pc_relative */
1398 complain_overflow_bitfield
, /* complain_on_overflow */
1399 reloc_nil
, /* special_function */
1400 "REFQUAD", /* name */
1401 TRUE
, /* partial_inplace */
1402 MINUS_ONE
, /* src_mask */
1403 MINUS_ONE
, /* dst_mask */
1404 FALSE
), /* pcrel_offset */
1406 /* A 21 bit branch. The native assembler generates these for
1407 branches within the text segment, and also fills in the PC
1408 relative offset in the instruction. */
1409 HOWTO (ALPHA_R_BRADDR
, /* type */
1411 2, /* size (0 = byte, 1 = short, 2 = long) */
1413 TRUE
, /* pc_relative */
1415 complain_overflow_signed
, /* complain_on_overflow */
1416 reloc_nil
, /* special_function */
1417 "BRADDR", /* name */
1418 TRUE
, /* partial_inplace */
1419 0x1fffff, /* src_mask */
1420 0x1fffff, /* dst_mask */
1421 FALSE
), /* pcrel_offset */
1423 /* A hint for a jump to a register. */
1424 HOWTO (ALPHA_R_HINT
, /* type */
1426 1, /* size (0 = byte, 1 = short, 2 = long) */
1428 TRUE
, /* pc_relative */
1430 complain_overflow_dont
, /* complain_on_overflow */
1431 reloc_nil
, /* special_function */
1433 TRUE
, /* partial_inplace */
1434 0x3fff, /* src_mask */
1435 0x3fff, /* dst_mask */
1436 FALSE
), /* pcrel_offset */
1438 /* 16 bit PC relative offset. */
1439 HOWTO (ALPHA_R_SREL16
, /* type */
1441 1, /* size (0 = byte, 1 = short, 2 = long) */
1443 TRUE
, /* pc_relative */
1445 complain_overflow_signed
, /* complain_on_overflow */
1446 reloc_nil
, /* special_function */
1447 "SREL16", /* name */
1448 TRUE
, /* partial_inplace */
1449 0xffff, /* src_mask */
1450 0xffff, /* dst_mask */
1451 FALSE
), /* pcrel_offset */
1453 /* 32 bit PC relative offset. */
1454 HOWTO (ALPHA_R_SREL32
, /* type */
1456 2, /* size (0 = byte, 1 = short, 2 = long) */
1458 TRUE
, /* pc_relative */
1460 complain_overflow_signed
, /* complain_on_overflow */
1461 reloc_nil
, /* special_function */
1462 "SREL32", /* name */
1463 TRUE
, /* partial_inplace */
1464 0xffffffff, /* src_mask */
1465 0xffffffff, /* dst_mask */
1466 FALSE
), /* pcrel_offset */
1468 /* A 64 bit PC relative offset. */
1469 HOWTO (ALPHA_R_SREL64
, /* type */
1471 4, /* size (0 = byte, 1 = short, 2 = long) */
1473 TRUE
, /* pc_relative */
1475 complain_overflow_signed
, /* complain_on_overflow */
1476 reloc_nil
, /* special_function */
1477 "SREL64", /* name */
1478 TRUE
, /* partial_inplace */
1479 MINUS_ONE
, /* src_mask */
1480 MINUS_ONE
, /* dst_mask */
1481 FALSE
), /* pcrel_offset */
1483 /* Push a value on the reloc evaluation stack. */
1484 HOWTO (ALPHA_R_OP_PUSH
, /* type */
1486 0, /* size (0 = byte, 1 = short, 2 = long) */
1488 FALSE
, /* pc_relative */
1490 complain_overflow_dont
, /* complain_on_overflow */
1491 reloc_nil
, /* special_function */
1492 "OP_PUSH", /* name */
1493 FALSE
, /* partial_inplace */
1496 FALSE
), /* pcrel_offset */
1498 /* Store the value from the stack at the given address. Store it in
1499 a bitfield of size r_size starting at bit position r_offset. */
1500 HOWTO (ALPHA_R_OP_STORE
, /* type */
1502 4, /* size (0 = byte, 1 = short, 2 = long) */
1504 FALSE
, /* pc_relative */
1506 complain_overflow_dont
, /* complain_on_overflow */
1507 reloc_nil
, /* special_function */
1508 "OP_STORE", /* name */
1509 FALSE
, /* partial_inplace */
1511 MINUS_ONE
, /* dst_mask */
1512 FALSE
), /* pcrel_offset */
1514 /* Subtract the reloc address from the value on the top of the
1515 relocation stack. */
1516 HOWTO (ALPHA_R_OP_PSUB
, /* type */
1518 0, /* size (0 = byte, 1 = short, 2 = long) */
1520 FALSE
, /* pc_relative */
1522 complain_overflow_dont
, /* complain_on_overflow */
1523 reloc_nil
, /* special_function */
1524 "OP_PSUB", /* name */
1525 FALSE
, /* partial_inplace */
1528 FALSE
), /* pcrel_offset */
1530 /* Shift the value on the top of the relocation stack right by the
1532 HOWTO (ALPHA_R_OP_PRSHIFT
, /* type */
1534 0, /* size (0 = byte, 1 = short, 2 = long) */
1536 FALSE
, /* pc_relative */
1538 complain_overflow_dont
, /* complain_on_overflow */
1539 reloc_nil
, /* special_function */
1540 "OP_PRSHIFT", /* name */
1541 FALSE
, /* partial_inplace */
1544 FALSE
), /* pcrel_offset */
1546 /* Hack. Linkage is done by linker. */
1547 HOWTO (ALPHA_R_LINKAGE
, /* type */
1549 8, /* size (0 = byte, 1 = short, 2 = long) */
1551 FALSE
, /* pc_relative */
1553 complain_overflow_dont
, /* complain_on_overflow */
1554 reloc_nil
, /* special_function */
1555 "LINKAGE", /* name */
1556 FALSE
, /* partial_inplace */
1559 FALSE
), /* pcrel_offset */
1561 /* A 32 bit reference to a symbol. */
1562 HOWTO (ALPHA_R_REFLONG
, /* type */
1564 2, /* size (0 = byte, 1 = short, 2 = long) */
1566 FALSE
, /* pc_relative */
1568 complain_overflow_bitfield
, /* complain_on_overflow */
1569 reloc_nil
, /* special_function */
1570 "REFLONG", /* name */
1571 TRUE
, /* partial_inplace */
1572 0xffffffff, /* src_mask */
1573 0xffffffff, /* dst_mask */
1574 FALSE
), /* pcrel_offset */
1576 /* A 64 bit reference to a procedure, written as 32 bit value. */
1577 HOWTO (ALPHA_R_CODEADDR
, /* type */
1579 4, /* size (0 = byte, 1 = short, 2 = long) */
1581 FALSE
, /* pc_relative */
1583 complain_overflow_signed
,/* complain_on_overflow */
1584 reloc_nil
, /* special_function */
1585 "CODEADDR", /* name */
1586 FALSE
, /* partial_inplace */
1587 0xffffffff, /* src_mask */
1588 0xffffffff, /* dst_mask */
1589 FALSE
), /* pcrel_offset */
1593 /* Return a pointer to a howto structure which, when invoked, will perform
1594 the relocation code on data from the architecture noted. */
1596 static const struct reloc_howto_struct
*
1597 vms_bfd_reloc_type_lookup (abfd
, code
)
1598 bfd
*abfd ATTRIBUTE_UNUSED
;
1599 bfd_reloc_code_real_type code
;
1604 vms_debug (1, "vms_bfd_reloc_type_lookup(%p, %d)\t", abfd
, code
);
1609 case BFD_RELOC_16
: alpha_type
= ALPHA_R_SREL16
; break;
1610 case BFD_RELOC_32
: alpha_type
= ALPHA_R_REFLONG
; break;
1611 case BFD_RELOC_64
: alpha_type
= ALPHA_R_REFQUAD
; break;
1612 case BFD_RELOC_CTOR
: alpha_type
= ALPHA_R_REFQUAD
; break;
1613 case BFD_RELOC_23_PCREL_S2
: alpha_type
= ALPHA_R_BRADDR
; break;
1614 case BFD_RELOC_ALPHA_HINT
: alpha_type
= ALPHA_R_HINT
; break;
1615 case BFD_RELOC_16_PCREL
: alpha_type
= ALPHA_R_SREL16
; break;
1616 case BFD_RELOC_32_PCREL
: alpha_type
= ALPHA_R_SREL32
; break;
1617 case BFD_RELOC_64_PCREL
: alpha_type
= ALPHA_R_SREL64
; break;
1618 case BFD_RELOC_ALPHA_LINKAGE
: alpha_type
= ALPHA_R_LINKAGE
; break;
1619 case BFD_RELOC_ALPHA_CODEADDR
: alpha_type
= ALPHA_R_CODEADDR
; break;
1621 (*_bfd_error_handler
) ("reloc (%d) is *UNKNOWN*", code
);
1622 return (const struct reloc_howto_struct
*) NULL
;
1625 vms_debug (2, "reloc is %s\n", alpha_howto_table
[alpha_type
].name
);
1627 return &alpha_howto_table
[alpha_type
];
1630 /*-- Part 4.7, writing an object file ---------------------------------------*/
1632 /* Set the architecture and machine type in BFD abfd to arch and mach.
1633 Find the correct pointer to a structure and insert it into the arch_info
1637 vms_set_arch_mach (abfd
, arch
, mach
)
1639 enum bfd_architecture arch ATTRIBUTE_UNUSED
;
1640 unsigned long mach ATTRIBUTE_UNUSED
;
1643 vms_debug (1, "vms_set_arch_mach(%p, %d, %ld)\n", abfd
, arch
, mach
);
1645 abfd
->arch_info
= bfd_scan_arch("alpha");
1650 /* Sets the contents of the section section in BFD abfd to the data starting
1651 in memory at data. The data is written to the output section starting at
1652 offset offset for count bytes.
1654 Normally TRUE is returned, else FALSE. Possible error returns are:
1655 o bfd_error_no_contents - The output section does not have the
1656 SEC_HAS_CONTENTS attribute, so nothing can be written to it.
1657 o and some more too */
1660 vms_set_section_contents (abfd
, section
, location
, offset
, count
)
1665 bfd_size_type count
;
1668 vms_debug (1, "vms_set_section_contents(%p, sec %s, loc %p, off %ld, count %d)\n",
1669 abfd
, section
->name
, location
, (long int)offset
, (int)count
);
1670 vms_debug (2, "secraw %d, seccooked %d\n", (int)section
->_raw_size
, (int)section
->_cooked_size
);
1672 return _bfd_save_vms_section(abfd
, section
, location
, offset
, count
);
1675 /*-- Part 4.8, linker -------------------------------------------------------*/
1677 /* Get the size of the section headers. */
1680 vms_sizeof_headers (abfd
, reloc
)
1681 bfd
*abfd ATTRIBUTE_UNUSED
;
1682 bfd_boolean reloc ATTRIBUTE_UNUSED
;
1685 vms_debug (1, "vms_sizeof_headers(%p, %s)\n", abfd
, (reloc
)?"True":"False");
1690 /* Provides default handling of relocation effort for back ends
1691 which can't be bothered to do it efficiently. */
1694 vms_bfd_get_relocated_section_contents (abfd
, link_info
, link_order
, data
,
1695 relocatable
, symbols
)
1696 bfd
*abfd ATTRIBUTE_UNUSED
;
1697 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1698 struct bfd_link_order
*link_order ATTRIBUTE_UNUSED
;
1699 bfd_byte
*data ATTRIBUTE_UNUSED
;
1700 bfd_boolean relocatable ATTRIBUTE_UNUSED
;
1701 asymbol
**symbols ATTRIBUTE_UNUSED
;
1704 vms_debug (1, "vms_bfd_get_relocated_section_contents(%p, %p, %p, %p, %s, %p)\n",
1705 abfd
, link_info
, link_order
, data
, (relocatable
)?"True":"False", symbols
);
1713 vms_bfd_relax_section (abfd
, section
, link_info
, again
)
1714 bfd
*abfd ATTRIBUTE_UNUSED
;
1715 asection
*section ATTRIBUTE_UNUSED
;
1716 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1717 bfd_boolean
*again ATTRIBUTE_UNUSED
;
1720 vms_debug (1, "vms_bfd_relax_section(%p, %s, %p, <ret>)\n",
1721 abfd
, section
->name
, link_info
);
1727 vms_bfd_gc_sections (abfd
, link_info
)
1728 bfd
*abfd ATTRIBUTE_UNUSED
;
1729 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1732 vms_debug (1, "vms_bfd_gc_sections(%p, %p)\n", abfd
, link_info
);
1738 vms_bfd_merge_sections (abfd
, link_info
)
1739 bfd
*abfd ATTRIBUTE_UNUSED
;
1740 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1743 vms_debug (1, "vms_bfd_merge_sections(%p, %p)\n", abfd
, link_info
);
1748 /* Create a hash table for the linker. Different backends store
1749 different information in this table. */
1751 static struct bfd_link_hash_table
*
1752 vms_bfd_link_hash_table_create (abfd
)
1753 bfd
*abfd ATTRIBUTE_UNUSED
;
1756 vms_debug (1, "vms_bfd_link_hash_table_create(%p)\n", abfd
);
1761 /* Free a linker hash table. */
1764 vms_bfd_link_hash_table_free (hash
)
1765 struct bfd_link_hash_table
*hash ATTRIBUTE_UNUSED
;
1768 vms_debug (1, "vms_bfd_link_hash_table_free(%p)\n", abfd
);
1772 /* Add symbols from this object file into the hash table. */
1775 vms_bfd_link_add_symbols (abfd
, link_info
)
1776 bfd
*abfd ATTRIBUTE_UNUSED
;
1777 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1780 vms_debug (1, "vms_bfd_link_add_symbols(%p, %p)\n", abfd
, link_info
);
1785 /* Do a link based on the link_order structures attached to each
1786 section of the BFD. */
1789 vms_bfd_final_link (abfd
, link_info
)
1790 bfd
*abfd ATTRIBUTE_UNUSED
;
1791 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1794 vms_debug (1, "vms_bfd_final_link(%p, %p)\n", abfd
, link_info
);
1799 /* Should this section be split up into smaller pieces during linking. */
1802 vms_bfd_link_split_section (abfd
, section
)
1803 bfd
*abfd ATTRIBUTE_UNUSED
;
1804 asection
*section ATTRIBUTE_UNUSED
;
1807 vms_debug (1, "vms_bfd_link_split_section(%p, %s)\n", abfd
, section
->name
);
1812 /*-- Part 4.9, dynamic symbols and relocations ------------------------------*/
1814 /* Get the amount of memory required to hold the dynamic symbols. */
1817 vms_get_dynamic_symtab_upper_bound (abfd
)
1818 bfd
*abfd ATTRIBUTE_UNUSED
;
1821 vms_debug (1, "vms_get_dynamic_symtab_upper_bound(%p)\n", abfd
);
1827 vms_bfd_print_private_bfd_data (abfd
, file
)
1828 bfd
*abfd ATTRIBUTE_UNUSED
;
1829 void *file ATTRIBUTE_UNUSED
;
1832 vms_debug (1, "vms_bfd_print_private_bfd_data(%p)\n", abfd
);
1837 /* Read in the dynamic symbols. */
1840 vms_canonicalize_dynamic_symtab (abfd
, symbols
)
1841 bfd
*abfd ATTRIBUTE_UNUSED
;
1842 asymbol
**symbols ATTRIBUTE_UNUSED
;
1845 vms_debug (1, "vms_canonicalize_dynamic_symtab(%p, <ret>)\n", abfd
);
1850 /* Get the amount of memory required to hold the dynamic relocs. */
1853 vms_get_dynamic_reloc_upper_bound (abfd
)
1854 bfd
*abfd ATTRIBUTE_UNUSED
;
1857 vms_debug (1, "vms_get_dynamic_reloc_upper_bound(%p)\n", abfd
);
1862 /* Read in the dynamic relocs. */
1865 vms_canonicalize_dynamic_reloc (abfd
, arel
, symbols
)
1866 bfd
*abfd ATTRIBUTE_UNUSED
;
1867 arelent
**arel ATTRIBUTE_UNUSED
;
1868 asymbol
**symbols ATTRIBUTE_UNUSED
;
1871 vms_debug (1, "vms_canonicalize_dynamic_reloc(%p)\n", abfd
);