1 /* vms.c -- BFD back-end for VAX (openVMS/VAX) and
2 EVAX (openVMS/Alpha) files.
3 Copyright 1996, 97, 98, 99, 2000 Free Software Foundation, Inc.
5 Written by Klaus K"ampf (kkaempf@rmi.de)
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28 static boolean vms_initialize
PARAMS ((bfd
*));
29 static unsigned int priv_section_count
;
30 static boolean fill_section_ptr
PARAMS ((struct bfd_hash_entry
*, PTR
));
31 static boolean vms_fixup_sections
PARAMS ((bfd
*));
32 static boolean copy_symbols
PARAMS ((struct bfd_hash_entry
*, PTR
));
33 static bfd_reloc_status_type reloc_nil
34 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
35 static const struct bfd_target
*vms_object_p
PARAMS ((bfd
*abfd
));
36 static const struct bfd_target
*vms_archive_p
PARAMS ((bfd
*abfd
));
37 static boolean vms_mkobject
PARAMS ((bfd
*abfd
));
38 static boolean vms_write_object_contents
PARAMS ((bfd
*abfd
));
39 static boolean vms_close_and_cleanup
PARAMS ((bfd
*abfd
));
40 static boolean vms_bfd_free_cached_info
PARAMS ((bfd
*abfd
));
41 static boolean vms_new_section_hook
PARAMS ((bfd
*abfd
, asection
*section
));
42 static boolean vms_get_section_contents
43 PARAMS ((bfd
*abfd
, asection
*section
, PTR x1
, file_ptr x2
,
45 static boolean vms_get_section_contents_in_window
46 PARAMS ((bfd
*abfd
, asection
*section
, bfd_window
*w
, file_ptr offset
,
47 bfd_size_type count
));
48 static boolean vms_bfd_copy_private_bfd_data
PARAMS ((bfd
*src
, bfd
*dest
));
49 static boolean vms_bfd_copy_private_section_data
50 PARAMS ((bfd
*srcbfd
, asection
*srcsec
, bfd
*dstbfd
, asection
*dstsec
));
51 static boolean vms_bfd_copy_private_symbol_data
52 PARAMS ((bfd
*ibfd
, asymbol
*isym
, bfd
*obfd
, asymbol
*osym
));
53 static boolean vms_bfd_print_private_bfd_data
54 PARAMS ((bfd
*abfd
, void *file
));
55 static char *vms_core_file_failing_command
PARAMS ((bfd
*abfd
));
56 static int vms_core_file_failing_signal
PARAMS ((bfd
*abfd
));
57 static boolean vms_core_file_matches_executable_p
58 PARAMS ((bfd
*abfd
, bfd
*bbfd
));
59 static boolean vms_slurp_armap
PARAMS ((bfd
*abfd
));
60 static boolean vms_slurp_extended_name_table
PARAMS ((bfd
*abfd
));
61 static boolean vms_construct_extended_name_table
62 PARAMS ((bfd
*abfd
, char **tabloc
, bfd_size_type
*tablen
,
64 static void vms_truncate_arname
65 PARAMS ((bfd
*abfd
, CONST
char *pathname
, char *arhdr
));
66 static boolean vms_write_armap
67 PARAMS ((bfd
*arch
, unsigned int elength
, struct orl
*map
,
68 unsigned int orl_count
, int stridx
));
69 static PTR vms_read_ar_hdr
PARAMS ((bfd
*abfd
));
70 static bfd
*vms_get_elt_at_index
PARAMS ((bfd
*abfd
, symindex index
));
71 static bfd
*vms_openr_next_archived_file
PARAMS ((bfd
*arch
, bfd
*prev
));
72 static boolean vms_update_armap_timestamp
PARAMS ((bfd
*abfd
));
73 static int vms_generic_stat_arch_elt
PARAMS ((bfd
*abfd
, struct stat
*stat
));
74 static long vms_get_symtab_upper_bound
PARAMS ((bfd
*abfd
));
75 static long vms_get_symtab
PARAMS ((bfd
*abfd
, asymbol
**symbols
));
76 static void vms_print_symbol
77 PARAMS ((bfd
*abfd
, PTR file
, asymbol
*symbol
, bfd_print_symbol_type how
));
78 static void vms_get_symbol_info
79 PARAMS ((bfd
*abfd
, asymbol
*symbol
, symbol_info
*ret
));
80 static boolean vms_bfd_is_local_label_name
PARAMS ((bfd
*abfd
, const char *));
81 static alent
*vms_get_lineno
PARAMS ((bfd
*abfd
, asymbol
*symbol
));
82 static boolean vms_find_nearest_line
83 PARAMS ((bfd
*abfd
, asection
*section
, asymbol
**symbols
, bfd_vma offset
,
84 const char **file
, const char **func
, unsigned int *line
));
85 static asymbol
*vms_bfd_make_debug_symbol
86 PARAMS ((bfd
*abfd
, void *ptr
, unsigned long size
));
87 static long vms_read_minisymbols
88 PARAMS ((bfd
*abfd
, boolean dynamic
, PTR
*minisymsp
, unsigned int *sizep
));
89 static asymbol
*vms_minisymbol_to_symbol
90 PARAMS ((bfd
*abfd
, boolean dynamic
, const PTR minisym
, asymbol
*sym
));
91 static long vms_get_reloc_upper_bound
PARAMS ((bfd
*abfd
, asection
*sect
));
92 static long vms_canonicalize_reloc
93 PARAMS ((bfd
*abfd
, asection
*srcsec
, arelent
**location
,
95 static const struct reloc_howto_struct
*vms_bfd_reloc_type_lookup
96 PARAMS ((bfd
*abfd
, bfd_reloc_code_real_type code
));
97 static boolean vms_set_arch_mach
98 PARAMS ((bfd
*abfd
, enum bfd_architecture arch
, unsigned long mach
));
99 static boolean vms_set_section_contents
100 PARAMS ((bfd
*abfd
, asection
*section
, PTR location
, file_ptr offset
,
101 bfd_size_type count
));
102 static int vms_sizeof_headers
PARAMS ((bfd
*abfd
, boolean reloc
));
103 static bfd_byte
*vms_bfd_get_relocated_section_contents
104 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
,
105 struct bfd_link_order
*link_order
, bfd_byte
*data
,
106 boolean relocateable
, asymbol
**symbols
));
107 static boolean vms_bfd_relax_section
108 PARAMS ((bfd
*abfd
, asection
*section
, struct bfd_link_info
*link_info
,
110 static boolean vms_bfd_gc_sections
111 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
));
112 static struct bfd_link_hash_table
*vms_bfd_link_hash_table_create
113 PARAMS ((bfd
*abfd
));
114 static boolean vms_bfd_link_add_symbols
115 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
));
116 static boolean vms_bfd_final_link
117 PARAMS ((bfd
*abfd
, struct bfd_link_info
*link_info
));
118 static boolean vms_bfd_link_split_section
119 PARAMS ((bfd
*abfd
, asection
*section
));
120 static long vms_get_dynamic_symtab_upper_bound
PARAMS ((bfd
*abfd
));
121 static long vms_canonicalize_dynamic_symtab
122 PARAMS ((bfd
*abfd
, asymbol
**symbols
));
123 static long vms_get_dynamic_reloc_upper_bound
PARAMS ((bfd
*abfd
));
124 static long vms_canonicalize_dynamic_reloc
125 PARAMS ((bfd
*abfd
, arelent
**arel
, asymbol
**symbols
));
126 static boolean vms_bfd_merge_private_bfd_data
PARAMS ((bfd
*ibfd
, bfd
*obfd
));
127 static boolean vms_bfd_set_private_flags
PARAMS ((bfd
*abfd
, flagword flags
));
129 #define vms_make_empty_symbol _bfd_vms_make_empty_symbol
131 /*===========================================================================*/
133 const bfd_target vms_alpha_vec
=
135 "vms-alpha", /* name */
136 bfd_target_evax_flavour
,
137 BFD_ENDIAN_LITTLE
, /* data byte order is little */
138 BFD_ENDIAN_LITTLE
, /* header byte order is little */
140 (HAS_RELOC
| HAS_SYMS
141 | WP_TEXT
| D_PAGED
), /* object flags */
142 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
143 | SEC_READONLY
| SEC_CODE
| SEC_DATA
144 | SEC_HAS_CONTENTS
| SEC_IN_MEMORY
), /* sect flags */
145 0, /* symbol_leading_char */
146 ' ', /* ar_pad_char */
147 15, /* ar_max_namelen */
148 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
149 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
150 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
151 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
152 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
153 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
155 {_bfd_dummy_target
, vms_object_p
, /* bfd_check_format */
156 vms_archive_p
, _bfd_dummy_target
},
157 {bfd_false
, vms_mkobject
, /* bfd_set_format */
158 _bfd_generic_mkarchive
, bfd_false
},
159 {bfd_false
, vms_write_object_contents
, /* bfd_write_contents */
160 _bfd_write_archive_contents
, bfd_false
},
162 BFD_JUMP_TABLE_GENERIC (vms
),
163 BFD_JUMP_TABLE_COPY (vms
),
164 BFD_JUMP_TABLE_CORE (vms
),
165 BFD_JUMP_TABLE_ARCHIVE (vms
),
166 BFD_JUMP_TABLE_SYMBOLS (vms
),
167 BFD_JUMP_TABLE_RELOCS (vms
),
168 BFD_JUMP_TABLE_WRITE (vms
),
169 BFD_JUMP_TABLE_LINK (vms
),
170 BFD_JUMP_TABLE_DYNAMIC (vms
),
177 const bfd_target vms_vax_vec
=
179 "vms-vax", /* name */
180 bfd_target_ovax_flavour
,
181 BFD_ENDIAN_LITTLE
, /* data byte order is little */
182 BFD_ENDIAN_LITTLE
, /* header byte order is little */
184 (HAS_RELOC
| HAS_SYMS
/* object flags */
186 | HAS_LINENO
| HAS_DEBUG
| HAS_LOCALS
),
188 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
189 | SEC_READONLY
| SEC_CODE
| SEC_DATA
190 | SEC_HAS_CONTENTS
| SEC_IN_MEMORY
), /* sect flags */
191 0, /* symbol_leading_char */
192 ' ', /* ar_pad_char */
193 15, /* ar_max_namelen */
194 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
195 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
196 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
, /* data */
197 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
198 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
199 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
, /* hdrs */
201 {_bfd_dummy_target
, vms_object_p
, /* bfd_check_format */
202 vms_archive_p
, _bfd_dummy_target
},
203 {bfd_false
, vms_mkobject
, /* bfd_set_format */
204 _bfd_generic_mkarchive
, bfd_false
},
205 {bfd_false
, vms_write_object_contents
, /* bfd_write_contents */
206 _bfd_write_archive_contents
, bfd_false
},
208 BFD_JUMP_TABLE_GENERIC (vms
),
209 BFD_JUMP_TABLE_COPY (vms
),
210 BFD_JUMP_TABLE_CORE (vms
),
211 BFD_JUMP_TABLE_ARCHIVE (vms
),
212 BFD_JUMP_TABLE_SYMBOLS (vms
),
213 BFD_JUMP_TABLE_RELOCS (vms
),
214 BFD_JUMP_TABLE_WRITE (vms
),
215 BFD_JUMP_TABLE_LINK (vms
),
216 BFD_JUMP_TABLE_DYNAMIC (vms
),
223 /*===========================================================================*/
225 /* Initialize private data */
228 vms_initialize (abfd
)
233 if (abfd
->tdata
.any
!= 0)
236 bfd_set_start_address (abfd
, (bfd_vma
)-1);
238 abfd
->tdata
.any
= ((struct vms_private_data_struct
*)
239 bfd_malloc (sizeof (struct vms_private_data_struct
)));
240 if (abfd
->tdata
.any
== 0)
250 PRIV(rec_length
) = 0;
251 PRIV(file_format
) = FF_UNKNOWN
;
252 PRIV(fixup_done
) = false;
253 PRIV(sections
) = NULL
;
255 PRIV(stack
) = ((struct stack_struct
*)
256 bfd_malloc (sizeof (struct stack_struct
) * STACKSIZE
));
257 if (PRIV(stack
) == 0)
260 free (abfd
->tdata
.any
);
266 PRIV(vms_symbol_table
) = ((struct bfd_hash_table
*)
267 bfd_malloc (sizeof (struct bfd_hash_table
)));
268 if (PRIV(vms_symbol_table
) == 0)
273 goto vms_init_no_mem1
;
276 if (!bfd_hash_table_init (PRIV(vms_symbol_table
), _bfd_vms_hash_newfunc
))
279 PRIV(location_stack
) = ((struct location_struct
*)
280 bfd_malloc (sizeof (struct location_struct
)
281 * LOCATION_SAVE_SIZE
));
282 if (PRIV(location_stack
) == 0)
285 free (PRIV(vms_symbol_table
));
286 PRIV(vms_symbol_table
) = 0;
287 goto vms_init_no_mem2
;
290 for (i
= 0; i
< VMS_SECTION_COUNT
; i
++)
291 PRIV(vms_section_table
)[i
] = NULL
;
293 PRIV(output_buf
) = (unsigned char *) malloc (MAX_OUTREC_SIZE
);
294 if (PRIV(output_buf
) == 0)
296 free (PRIV(location_stack
));
297 PRIV(location_stack
) = 0;
298 goto vms_init_no_mem3
;
300 PRIV(push_level
) = 0;
301 PRIV(pushed_size
) = 0;
302 PRIV(length_pos
) = 2;
303 PRIV(output_size
) = 0;
304 PRIV(output_alignment
) = 1;
310 /* Fill symbol->section with section ptr
311 symbol->section is filled with the section index for defined symbols
312 during reading the GSD/EGSD section. But we need the pointer to the
315 It has the correct value for referenced (undefined section) symbols
317 called from bfd_hash_traverse in vms_fixup_sections */
320 fill_section_ptr (entry
, sections
)
321 struct bfd_hash_entry
*entry
;
327 sym
= ((vms_symbol_entry
*)entry
)->symbol
;
331 vms_debug (6, "fill_section_ptr: sym %p, sec %p\n", sym
, sec
);
334 /* fill forward references (these contain section number, not section ptr). */
336 if ((unsigned int) sec
< priv_section_count
)
338 sec
= ((vms_symbol_entry
*)entry
)->symbol
->section
=
339 ((asection
**)sections
)[(int)sec
];
342 if (strcmp (sym
->name
, sec
->name
) == 0)
343 sym
->flags
|= BSF_SECTION_SYM
;
350 set up all pointers and arrays, counters and sizes are fixed now
352 we build a private sections vector for easy access since sections
353 are always referenced by an index number.
355 alloc PRIV(sections) according to abfd->section_count
356 copy abfd->sections to PRIV(sections) */
359 vms_fixup_sections (abfd
)
362 if (PRIV(fixup_done
))
366 * traverse symbol table and fill in all section pointers
369 /* can't provide section count as argument to fill_section_ptr(). */
370 priv_section_count
= PRIV(section_count
);
371 bfd_hash_traverse (PRIV(vms_symbol_table
), fill_section_ptr
,
372 (PTR
)(PRIV(sections
)));
374 PRIV(fixup_done
) = true;
379 /*===========================================================================*/
381 /* Check the format for a file being read.
382 Return a (bfd_target *) if it's an object file or zero if not. */
384 static const struct bfd_target
*
390 const struct bfd_target
*target_vector
= 0;
391 const bfd_arch_info_type
*arch
= 0;
394 vms_debug (1, "vms_object_p(%p)\n", abfd
);
397 if (!vms_initialize (abfd
))
399 fprintf (stderr
, "vms_initialize () failed !!\n");
403 if (bfd_seek (abfd
, 0L, SEEK_SET
))
405 bfd_set_error (bfd_error_file_truncated
);
414 vms_debug (7, "reading at %08lx\n", bfd_tell(abfd
));
416 if (_bfd_vms_next_record (abfd
) < 0)
419 vms_debug (2, "next_record failed\n");
421 bfd_set_error (bfd_error_wrong_format
);
425 if ((prev_type
== EOBJ_S_C_EGSD
)
426 && (PRIV(rec_type
) != EOBJ_S_C_EGSD
))
428 if (vms_fixup_sections (abfd
) == false)
431 vms_debug (2, "vms_fixup_sections failed\n");
433 bfd_set_error (bfd_error_wrong_format
);
438 prev_type
= PRIV(rec_type
);
440 if (target_vector
== 0)
442 if (prev_type
<= OBJ_S_C_MAXRECTYP
)
443 target_vector
= &vms_vax_vec
;
445 target_vector
= &vms_alpha_vec
;
452 err
= _bfd_vms_slurp_hdr (abfd
, prev_type
);
457 err
= _bfd_vms_slurp_eom (abfd
, prev_type
);
461 err
= _bfd_vms_slurp_gsd (abfd
, prev_type
);
465 err
= _bfd_vms_slurp_tir (abfd
, prev_type
);
469 err
= _bfd_vms_slurp_dbg (abfd
, prev_type
);
473 err
= _bfd_vms_slurp_tbt (abfd
, prev_type
);
476 err
= _bfd_vms_slurp_lnk (abfd
, prev_type
);
484 vms_debug (2, "slurp type %d failed with %d\n", prev_type
, err
);
486 bfd_set_error (bfd_error_wrong_format
);
490 while ((prev_type
!= EOBJ_S_C_EEOM
) && (prev_type
!= OBJ_S_C_EOM
) && (prev_type
!= OBJ_S_C_EOMW
));
492 if (target_vector
== &vms_vax_vec
)
494 if (vms_fixup_sections (abfd
) == false)
497 vms_debug (2, "vms_fixup_sections failed\n");
499 bfd_set_error (bfd_error_wrong_format
);
503 /* set arch_info to vax */
505 arch
= bfd_scan_arch ("vax");
508 vms_debug (2, "arch is vax\n");
511 else if (target_vector
== &vms_alpha_vec
)
513 /* set arch_info to alpha */
515 arch
= bfd_scan_arch ("alpha");
518 vms_debug (2, "arch is alpha\n");
525 vms_debug (2, "arch not found\n");
527 bfd_set_error (bfd_error_wrong_format
);
530 abfd
->arch_info
= arch
;
532 return target_vector
;
536 /* Check the format for a file being read.
537 Return a (bfd_target *) if it's an archive file or zero. */
539 static const struct bfd_target
*
541 bfd
*abfd ATTRIBUTE_UNUSED
;
544 vms_debug (1, "vms_archive_p(%p)\n", abfd
);
551 /* Set the format of a file being written. */
558 vms_debug (1, "vms_mkobject(%p)\n", abfd
);
561 if (!vms_initialize (abfd
))
563 fprintf (stderr
, "vms_initialize () failed !!\n");
569 const bfd_arch_info_type
*arch
= bfd_scan_arch ("vax");
571 const bfd_arch_info_type
*arch
= bfd_scan_arch ("alpha");
575 bfd_set_error(bfd_error_wrong_format
);
578 abfd
->arch_info
= arch
;
585 /* Write cached information into a file being written, at bfd_close. */
588 vms_write_object_contents (abfd
)
592 vms_debug (1, "vms_write_object_contents(%p)\n", abfd
);
595 if (abfd
->section_count
> 0) /* we have sections */
599 if (_bfd_vms_write_hdr (abfd
, OBJ_S_C_HDR
) != 0)
601 if (_bfd_vms_write_gsd (abfd
, OBJ_S_C_GSD
) != 0)
603 if (_bfd_vms_write_tir (abfd
, OBJ_S_C_TIR
) != 0)
605 if (_bfd_vms_write_tbt (abfd
, OBJ_S_C_TBT
) != 0)
607 if (_bfd_vms_write_dbg (abfd
, OBJ_S_C_DBG
) != 0)
609 if (abfd
->section_count
> 255)
611 if (_bfd_vms_write_eom (abfd
, OBJ_S_C_EOMW
) != 0)
616 if (_bfd_vms_write_eom (abfd
, OBJ_S_C_EOM
) != 0)
622 if (_bfd_vms_write_hdr (abfd
, EOBJ_S_C_EMH
) != 0)
624 if (_bfd_vms_write_gsd (abfd
, EOBJ_S_C_EGSD
) != 0)
626 if (_bfd_vms_write_tir (abfd
, EOBJ_S_C_ETIR
) != 0)
628 if (_bfd_vms_write_tbt (abfd
, EOBJ_S_C_ETBT
) != 0)
630 if (_bfd_vms_write_dbg (abfd
, EOBJ_S_C_EDBG
) != 0)
632 if (_bfd_vms_write_eom (abfd
, EOBJ_S_C_EEOM
) != 0)
639 /*-- 4.1, generic -----------------------------------------------------------*/
641 /* Called when the BFD is being closed to do any necessary cleanup. */
644 vms_close_and_cleanup (abfd
)
648 vms_section
*es
, *es1
;
652 vms_debug (1, "vms_close_and_cleanup(%p)\n", abfd
);
657 if (PRIV(vms_buf
) != NULL
)
659 free (PRIV(vms_buf
));
660 PRIV(vms_buf
) = NULL
;
664 if (PRIV(output_buf
) != 0)
666 free (PRIV(output_buf
));
667 PRIV(output_buf
) = 0;
670 sec
= abfd
->sections
;
674 free (sec
->contents
);
678 if (PRIV(sections
) != NULL
)
680 free (PRIV(sections
));
681 PRIV(sections
) = NULL
;
684 if (PRIV(vms_symbol_table
))
686 bfd_hash_table_free (PRIV(vms_symbol_table
));
687 PRIV(vms_symbol_table
) = 0;
696 if (PRIV(location_stack
))
698 free (PRIV(location_stack
));
699 PRIV(location_stack
) = 0;
702 for (i
= 0; i
< VMS_SECTION_COUNT
; i
++)
704 es
= PRIV(vms_section_table
)[i
];
711 PRIV(vms_section_table
)[i
] = NULL
;
714 free (abfd
->tdata
.any
);
715 abfd
->tdata
.any
= NULL
;
721 /* Ask the BFD to free all cached information. */
723 vms_bfd_free_cached_info (abfd
)
724 bfd
*abfd ATTRIBUTE_UNUSED
;
727 vms_debug (1, "vms_bfd_free_cached_info(%p)\n", abfd
);
733 /* Called when a new section is created. */
736 vms_new_section_hook (abfd
, section
)
741 vms_debug (1, "vms_new_section_hook (%p, [%d]%s), count %d\n", abfd
, section
->index
, section
->name
, abfd
->section_count
);
743 bfd_set_section_alignment(abfd
, section
, 4);
745 if (abfd
->section_count
> PRIV(section_count
))
747 PRIV(sections
) = ((asection
**)
748 bfd_realloc (PRIV(sections
), abfd
->section_count
* sizeof (asection
*)));
749 if (PRIV(sections
) == 0)
751 PRIV(section_count
) = abfd
->section_count
;
754 vms_debug (6, "section_count: %d\n", PRIV(section_count
));
756 PRIV(sections
)[section
->index
] = section
;
758 vms_debug (7, "%d: %s\n", section
->index
, section
->name
);
765 /* Read the contents of a section.
766 buf points to a buffer of buf_size bytes to be filled with
767 section data (starting at offset into section) */
770 vms_get_section_contents (abfd
, section
, buf
, offset
, buf_size
)
771 bfd
*abfd ATTRIBUTE_UNUSED
;
772 asection
*section ATTRIBUTE_UNUSED
;
773 PTR buf ATTRIBUTE_UNUSED
;
774 file_ptr offset ATTRIBUTE_UNUSED
;
775 bfd_size_type buf_size ATTRIBUTE_UNUSED
;
778 vms_debug (1, "vms_get_section_contents(%p, %s, %p, off %ld, size %d)\n",
779 abfd
, section
->name
, buf
, offset
, (int)buf_size
);
782 /* shouldn't be called, since all sections are IN_MEMORY */
787 /* Read the contents of a section.
788 buf points to a buffer of buf_size bytes to be filled with
789 section data (starting at offset into section) */
792 vms_get_section_contents_in_window (abfd
, section
, w
, offset
, count
)
793 bfd
*abfd ATTRIBUTE_UNUSED
;
794 asection
*section ATTRIBUTE_UNUSED
;
795 bfd_window
*w ATTRIBUTE_UNUSED
;
796 file_ptr offset ATTRIBUTE_UNUSED
;
797 bfd_size_type count ATTRIBUTE_UNUSED
;
800 vms_debug (1, "vms_get_section_contents_in_window(%p, %s, %p, off %ld, count %d)\n",
801 abfd
, section
->name
, w
, offset
, (int)count
);
804 /* shouldn't be called, since all sections are IN_MEMORY */
809 /*-- Part 4.2, copy private data --------------------------------------------*/
811 /* Called to copy BFD general private data from one object file
815 vms_bfd_copy_private_bfd_data (src
, dest
)
816 bfd
*src ATTRIBUTE_UNUSED
;
817 bfd
*dest ATTRIBUTE_UNUSED
;
820 vms_debug (1, "vms_bfd_copy_private_bfd_data(%p, %p)\n", src
, dest
);
826 /* Merge private BFD information from the BFD @var{ibfd} to the
827 the output file BFD @var{obfd} when linking. Return <<true>>
828 on success, <<false>> on error. Possible error returns are:
830 o <<bfd_error_no_memory>> -
831 Not enough memory exists to create private data for @var{obfd}. */
834 vms_bfd_merge_private_bfd_data (ibfd
, obfd
)
835 bfd
*ibfd ATTRIBUTE_UNUSED
;
836 bfd
*obfd ATTRIBUTE_UNUSED
;
839 vms_debug (1,"vms_bfd_merge_private_bfd_data(%p, %p)\n", ibfd
, obfd
);
845 /* Set private BFD flag information in the BFD @var{abfd}.
846 Return <<true>> on success, <<false>> on error. Possible error
849 o <<bfd_error_no_memory>> -
850 Not enough memory exists to create private data for @var{obfd}. */
853 vms_bfd_set_private_flags (abfd
, flags
)
854 bfd
*abfd ATTRIBUTE_UNUSED
;
855 flagword flags ATTRIBUTE_UNUSED
;
858 vms_debug (1,"vms_bfd_set_private_flags(%p, %lx)\n", abfd
, (long)flags
);
864 /* Called to copy BFD private section data from one object file
868 vms_bfd_copy_private_section_data (srcbfd
, srcsec
, dstbfd
, dstsec
)
869 bfd
*srcbfd ATTRIBUTE_UNUSED
;
870 asection
*srcsec ATTRIBUTE_UNUSED
;
871 bfd
*dstbfd ATTRIBUTE_UNUSED
;
872 asection
*dstsec ATTRIBUTE_UNUSED
;
875 vms_debug (1, "vms_bfd_copy_private_section_data(%p, %s, %p, %s)\n",
876 srcbfd
, srcsec
->name
, dstbfd
, dstsec
->name
);
881 /* Called to copy BFD private symbol data from one object file
885 vms_bfd_copy_private_symbol_data (ibfd
, isym
, obfd
, osym
)
886 bfd
*ibfd ATTRIBUTE_UNUSED
;
887 asymbol
*isym ATTRIBUTE_UNUSED
;
888 bfd
*obfd ATTRIBUTE_UNUSED
;
889 asymbol
*osym ATTRIBUTE_UNUSED
;
892 vms_debug (1, "vms_bfd_copy_private_symbol_data(%p, %s, %p, %s)\n",
893 ibfd
, isym
->name
, obfd
, osym
->name
);
898 /*-- Part 4.3, core file ----------------------------------------------------*/
900 /* Return a read-only string explaining which program was running
901 when it failed and produced the core file abfd. */
904 vms_core_file_failing_command (abfd
)
905 bfd
*abfd ATTRIBUTE_UNUSED
;
908 vms_debug (1, "vms_core_file_failing_command(%p)\n", abfd
);
914 /* Returns the signal number which caused the core dump which
915 generated the file the BFD abfd is attached to. */
918 vms_core_file_failing_signal (abfd
)
919 bfd
*abfd ATTRIBUTE_UNUSED
;
922 vms_debug (1, "vms_core_file_failing_signal(%p)\n", abfd
);
928 /* Return true if the core file attached to core_bfd was generated
929 by a run of the executable file attached to exec_bfd, false otherwise. */
932 vms_core_file_matches_executable_p (abfd
, bbfd
)
933 bfd
*abfd ATTRIBUTE_UNUSED
;
934 bfd
*bbfd ATTRIBUTE_UNUSED
;
937 vms_debug (1, "vms_core_file_matches_executable_p(%p, %p)\n", abfd
, bbfd
);
942 /*-- Part 4.4, archive ------------------------------------------------------*/
944 /* ??? do something with an archive map.
945 Return false on error, true otherwise. */
948 vms_slurp_armap (abfd
)
949 bfd
*abfd ATTRIBUTE_UNUSED
;
952 vms_debug (1, "vms_slurp_armap(%p)\n", abfd
);
958 /* ??? do something with an extended name table.
959 Return false on error, true otherwise. */
962 vms_slurp_extended_name_table (abfd
)
963 bfd
*abfd ATTRIBUTE_UNUSED
;
966 vms_debug (1, "vms_slurp_extended_name_table(%p)\n", abfd
);
972 /* ??? do something with an extended name table.
973 Return false on error, true otherwise. */
976 vms_construct_extended_name_table (abfd
, tabloc
, tablen
, name
)
977 bfd
*abfd ATTRIBUTE_UNUSED
;
978 char **tabloc ATTRIBUTE_UNUSED
;
979 bfd_size_type
*tablen ATTRIBUTE_UNUSED
;
980 const char **name ATTRIBUTE_UNUSED
;
983 vms_debug (1, "vms_construct_extended_name_table(%p)\n", abfd
);
989 /* Truncate the name of an archive to match system-dependent restrictions */
992 vms_truncate_arname (abfd
, pathname
, arhdr
)
993 bfd
*abfd ATTRIBUTE_UNUSED
;
994 CONST
char *pathname ATTRIBUTE_UNUSED
;
995 char *arhdr ATTRIBUTE_UNUSED
;
998 vms_debug (1, "vms_truncate_arname(%p, %s, %s)\n", abfd
, pathname
, arhdr
);
1004 /* ??? write archive map */
1007 vms_write_armap (arch
, elength
, map
, orl_count
, stridx
)
1008 bfd
*arch ATTRIBUTE_UNUSED
;
1009 unsigned int elength ATTRIBUTE_UNUSED
;
1010 struct orl
*map ATTRIBUTE_UNUSED
;
1011 unsigned int orl_count ATTRIBUTE_UNUSED
;
1012 int stridx ATTRIBUTE_UNUSED
;
1015 vms_debug (1, "vms_write_armap(%p, %d, %p, %d %d)\n",
1016 arch
, elength
, map
, orl_count
, stridx
);
1021 /* Read archive header ??? */
1024 vms_read_ar_hdr (abfd
)
1025 bfd
* abfd ATTRIBUTE_UNUSED
;
1028 vms_debug (1, "vms_read_ar_hdr(%p)\n", abfd
);
1034 /* Provided a BFD, @var{archive}, containing an archive and NULL, open
1035 an input BFD on the first contained element and returns that.
1036 Subsequent calls should pass the archive and the previous return value
1037 to return a created BFD to the next contained element.
1038 NULL is returned when there are no more. */
1041 vms_openr_next_archived_file (arch
, prev
)
1042 bfd
*arch ATTRIBUTE_UNUSED
;
1043 bfd
*prev ATTRIBUTE_UNUSED
;
1046 vms_debug (1, "vms_openr_next_archived_file(%p, %p)\n", arch
, prev
);
1052 /* Return the BFD which is referenced by the symbol in ABFD indexed by
1053 INDEX. INDEX should have been returned by bfd_get_next_mapent. */
1056 vms_get_elt_at_index (abfd
, index
)
1061 vms_debug (1, "vms_get_elt_at_index(%p, %p)\n", abfd
, index
);
1063 return _bfd_generic_get_elt_at_index(abfd
, index
);
1068 -> bfd_generic_stat_arch_elt */
1071 vms_generic_stat_arch_elt (abfd
, stat
)
1076 vms_debug (1, "vms_generic_stat_arch_elt(%p, %p)\n", abfd
, stat
);
1078 return bfd_generic_stat_arch_elt(abfd
, stat
);
1082 /* This is a new function in bfd 2.5 */
1085 vms_update_armap_timestamp (abfd
)
1086 bfd
*abfd ATTRIBUTE_UNUSED
;
1089 vms_debug (1, "vms_update_armap_timestamp(%p)\n", abfd
);
1094 /*-- Part 4.5, symbols --------------------------------------------------------*/
1096 /* Return the number of bytes required to store a vector of pointers
1097 to asymbols for all the symbols in the BFD abfd, including a
1098 terminal NULL pointer. If there are no symbols in the BFD,
1099 then return 0. If an error occurs, return -1. */
1102 vms_get_symtab_upper_bound (abfd
)
1106 vms_debug (1, "vms_get_symtab_upper_bound(%p), %d symbols\n", abfd
, PRIV(gsd_sym_count
));
1108 return (PRIV(gsd_sym_count
)+1) * sizeof(asymbol
*);
1112 /* Copy symbols from hash table to symbol vector
1114 called from bfd_hash_traverse in vms_get_symtab
1115 init counter to 0 if entry == 0 */
1118 copy_symbols (entry
, arg
)
1119 struct bfd_hash_entry
*entry
;
1122 bfd
*abfd
= (bfd
*) arg
;
1124 if (entry
== NULL
) /* init counter */
1126 else /* fill vector, inc counter */
1127 PRIV(symcache
)[PRIV(symnum
)++] = ((vms_symbol_entry
*)entry
)->symbol
;
1133 /* Read the symbols from the BFD abfd, and fills in the vector
1134 location with pointers to the symbols and a trailing NULL.
1136 return # of symbols read */
1139 vms_get_symtab (abfd
, symbols
)
1144 vms_debug (1, "vms_get_symtab(%p, <ret>)\n", abfd
);
1148 (void)copy_symbols((struct bfd_hash_entry
*)0, abfd
);
1150 /* traverse table and fill symbols vector */
1152 PRIV(symcache
) = symbols
;
1153 bfd_hash_traverse(PRIV(vms_symbol_table
), copy_symbols
, (PTR
)abfd
);
1155 symbols
[PRIV(gsd_sym_count
)] = NULL
;
1157 return PRIV(gsd_sym_count
);
1161 /* Create a new asymbol structure for the BFD abfd and return a pointer
1163 This routine is necessary because each back end has private information
1164 surrounding the asymbol. Building your own asymbol and pointing to it
1165 will not create the private information, and will cause problems later on. */
1168 _bfd_vms_make_empty_symbol (abfd
)
1171 asymbol
*symbol
= (asymbol
*)bfd_zalloc(abfd
, sizeof(asymbol
));
1174 vms_debug (1, "_bfd_vms_make_empty_symbol(%p)\n", abfd
);
1179 bfd_set_error (bfd_error_no_memory
);
1182 symbol
->the_bfd
= abfd
;
1188 /* Print symbol to file according to how. how is one of
1189 bfd_print_symbol_name just print the name
1190 bfd_print_symbol_more print more (???)
1191 bfd_print_symbol_all print all we know, which is not much right now :-) */
1194 vms_print_symbol (abfd
, file
, symbol
, how
)
1195 bfd
*abfd ATTRIBUTE_UNUSED
;
1198 bfd_print_symbol_type how
;
1201 vms_debug (1, "vms_print_symbol(%p, %p, %p, %d)\n", abfd
, file
, symbol
, how
);
1206 case bfd_print_symbol_name
:
1207 case bfd_print_symbol_more
:
1208 fprintf((FILE *)file
," %s", symbol
->name
);
1213 case bfd_print_symbol_all
:
1215 CONST
char *section_name
= symbol
->section
->name
;
1217 bfd_print_symbol_vandf((PTR
)file
,symbol
);
1219 fprintf((FILE *)file
," %-8s %s", section_name
, symbol
->name
);
1227 /* Return information about symbol in ret.
1229 fill type, value and name
1232 B bss segment symbol
1234 D data segment symbol
1236 t a static function symbol
1237 T text segment symbol
1242 vms_get_symbol_info (abfd
, symbol
, ret
)
1243 bfd
*abfd ATTRIBUTE_UNUSED
;
1250 vms_debug (1, "vms_get_symbol_info(%p, %p, %p)\n", abfd
, symbol
, ret
);
1253 sec
= symbol
->section
;
1258 if (bfd_is_com_section (sec
))
1260 else if (bfd_is_abs_section (sec
))
1262 else if (bfd_is_und_section (sec
))
1264 else if (bfd_is_ind_section (sec
))
1266 else if (bfd_get_section_flags (abfd
, sec
) & SEC_CODE
)
1268 else if (bfd_get_section_flags (abfd
, sec
) & SEC_DATA
)
1270 else if (bfd_get_section_flags (abfd
, sec
) & SEC_ALLOC
)
1275 if (ret
->type
!= 'U')
1276 ret
->value
= symbol
->value
+ symbol
->section
->vma
;
1279 ret
->name
= symbol
->name
;
1285 /* Return true if the given symbol sym in the BFD abfd is
1286 a compiler generated local label, else return false. */
1289 vms_bfd_is_local_label_name (abfd
, name
)
1290 bfd
*abfd ATTRIBUTE_UNUSED
;
1294 vms_debug (1, "vms_bfd_is_local_label_name(%p, %s)\n", abfd
, name
);
1296 return name
[0] == '$';
1300 /* Get source line number for symbol */
1303 vms_get_lineno (abfd
, symbol
)
1304 bfd
*abfd ATTRIBUTE_UNUSED
;
1305 asymbol
*symbol ATTRIBUTE_UNUSED
;
1308 vms_debug (1, "vms_get_lineno(%p, %p)\n", abfd
, symbol
);
1314 /* Provided a BFD, a section and an offset into the section, calculate and
1315 return the name of the source file and the line nearest to the wanted
1319 vms_find_nearest_line (abfd
, section
, symbols
, offset
, file
, func
, line
)
1320 bfd
*abfd ATTRIBUTE_UNUSED
;
1321 asection
*section ATTRIBUTE_UNUSED
;
1322 asymbol
**symbols ATTRIBUTE_UNUSED
;
1323 bfd_vma offset ATTRIBUTE_UNUSED
;
1324 CONST
char **file ATTRIBUTE_UNUSED
;
1325 CONST
char **func ATTRIBUTE_UNUSED
;
1326 unsigned int *line ATTRIBUTE_UNUSED
;
1329 vms_debug (1, "vms_find_nearest_line(%p, %s, %p, %ld, <ret>, <ret>, <ret>)\n",
1330 abfd
, section
->name
, symbols
, (long int)offset
);
1336 /* Back-door to allow format-aware applications to create debug symbols
1337 while using BFD for everything else. Currently used by the assembler
1338 when creating COFF files. */
1341 vms_bfd_make_debug_symbol (abfd
, ptr
, size
)
1342 bfd
*abfd ATTRIBUTE_UNUSED
;
1343 void *ptr ATTRIBUTE_UNUSED
;
1344 unsigned long size ATTRIBUTE_UNUSED
;
1347 vms_debug (1, "vms_bfd_make_debug_symbol(%p, %p, %ld)\n", abfd
, ptr
, size
);
1353 /* Read minisymbols. For minisymbols, we use the unmodified a.out
1354 symbols. The minisymbol_to_symbol function translates these into
1355 BFD asymbol structures. */
1358 vms_read_minisymbols (abfd
, dynamic
, minisymsp
, sizep
)
1362 unsigned int *sizep
;
1365 vms_debug (1, "vms_read_minisymbols(%p, %d, %p, %d)\n", abfd
, dynamic
, minisymsp
, *sizep
);
1367 return _bfd_generic_read_minisymbols (abfd
, dynamic
, minisymsp
, sizep
);
1370 /* Convert a minisymbol to a BFD asymbol. A minisymbol is just an
1371 unmodified a.out symbol. The SYM argument is a structure returned
1372 by bfd_make_empty_symbol, which we fill in here. */
1375 vms_minisymbol_to_symbol (abfd
, dynamic
, minisym
, sym
)
1382 vms_debug (1, "vms_minisymbol_to_symbol(%p, %d, %p, %p)\n", abfd
, dynamic
, minisym
, sym
);
1384 return _bfd_generic_minisymbol_to_symbol (abfd
, dynamic
, minisym
, sym
);
1387 /*-- Part 4.6, relocations --------------------------------------------------*/
1389 /* Return the number of bytes required to store the relocation information
1390 associated with section sect attached to bfd abfd.
1391 If an error occurs, return -1. */
1394 vms_get_reloc_upper_bound (abfd
, section
)
1395 bfd
*abfd ATTRIBUTE_UNUSED
;
1396 asection
*section ATTRIBUTE_UNUSED
;
1399 vms_debug (1, "vms_get_reloc_upper_bound(%p, %s)\n", abfd
, section
->name
);
1405 /* Call the back end associated with the open BFD abfd and translate the
1406 external form of the relocation information attached to sec into the
1407 internal canonical form. Place the table into memory at loc, which has
1408 been preallocated, usually by a call to bfd_get_reloc_upper_bound.
1409 Returns the number of relocs, or -1 on error. */
1412 vms_canonicalize_reloc (abfd
, section
, location
, symbols
)
1413 bfd
*abfd ATTRIBUTE_UNUSED
;
1414 asection
*section ATTRIBUTE_UNUSED
;
1415 arelent
**location ATTRIBUTE_UNUSED
;
1416 asymbol
**symbols ATTRIBUTE_UNUSED
;
1419 vms_debug (1, "vms_canonicalize_reloc(%p, %s, <ret>, <ret>)\n", abfd
, section
->name
);
1424 /*---------------------------------------------------------------------------*/
1425 /* this is just copied from ecoff-alpha, needs to be fixed probably */
1427 /* How to process the various reloc types. */
1429 static bfd_reloc_status_type
1430 reloc_nil (abfd
, reloc
, sym
, data
, sec
, output_bfd
, error_message
)
1431 bfd
*abfd ATTRIBUTE_UNUSED
;
1432 arelent
*reloc ATTRIBUTE_UNUSED
;
1433 asymbol
*sym ATTRIBUTE_UNUSED
;
1434 PTR data ATTRIBUTE_UNUSED
;
1435 asection
*sec ATTRIBUTE_UNUSED
;
1436 bfd
*output_bfd ATTRIBUTE_UNUSED
;
1437 char **error_message ATTRIBUTE_UNUSED
;
1440 vms_debug (1, "reloc_nil(abfd %p, output_bfd %p)\n", abfd
, output_bfd
);
1441 vms_debug (2, "In section %s, symbol %s\n",
1442 sec
->name
, sym
->name
);
1443 vms_debug (2, "reloc sym %s, addr %08lx, addend %08lx, reloc is a %s\n",
1444 reloc
->sym_ptr_ptr
[0]->name
,
1445 (unsigned long)reloc
->address
,
1446 (unsigned long)reloc
->addend
, reloc
->howto
->name
);
1447 vms_debug (2, "data at %p\n", data
);
1448 /* _bfd_hexdump (2, data, bfd_get_reloc_size(reloc->howto),0); */
1451 return bfd_reloc_ok
;
1454 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
1455 from smaller values. Start with zero, widen, *then* decrement. */
1456 #define MINUS_ONE (((bfd_vma)0) - 1)
1458 static reloc_howto_type alpha_howto_table
[] =
1460 HOWTO (ALPHA_R_IGNORE
, /* type */
1462 0, /* size (0 = byte, 1 = short, 2 = long) */
1464 true, /* pc_relative */
1466 complain_overflow_dont
, /* complain_on_overflow */
1467 reloc_nil
, /* special_function */
1468 "IGNORE", /* name */
1469 true, /* partial_inplace */
1472 true), /* pcrel_offset */
1474 /* A 64 bit reference to a symbol. */
1475 HOWTO (ALPHA_R_REFQUAD
, /* type */
1477 4, /* size (0 = byte, 1 = short, 2 = long) */
1479 false, /* pc_relative */
1481 complain_overflow_bitfield
, /* complain_on_overflow */
1482 reloc_nil
, /* special_function */
1483 "REFQUAD", /* name */
1484 true, /* partial_inplace */
1485 MINUS_ONE
, /* src_mask */
1486 MINUS_ONE
, /* dst_mask */
1487 false), /* pcrel_offset */
1489 /* A 21 bit branch. The native assembler generates these for
1490 branches within the text segment, and also fills in the PC
1491 relative offset in the instruction. */
1492 HOWTO (ALPHA_R_BRADDR
, /* type */
1494 2, /* size (0 = byte, 1 = short, 2 = long) */
1496 true, /* pc_relative */
1498 complain_overflow_signed
, /* complain_on_overflow */
1499 reloc_nil
, /* special_function */
1500 "BRADDR", /* name */
1501 true, /* partial_inplace */
1502 0x1fffff, /* src_mask */
1503 0x1fffff, /* dst_mask */
1504 false), /* pcrel_offset */
1506 /* A hint for a jump to a register. */
1507 HOWTO (ALPHA_R_HINT
, /* type */
1509 1, /* size (0 = byte, 1 = short, 2 = long) */
1511 true, /* pc_relative */
1513 complain_overflow_dont
, /* complain_on_overflow */
1514 reloc_nil
, /* special_function */
1516 true, /* partial_inplace */
1517 0x3fff, /* src_mask */
1518 0x3fff, /* dst_mask */
1519 false), /* pcrel_offset */
1521 /* 16 bit PC relative offset. */
1522 HOWTO (ALPHA_R_SREL16
, /* type */
1524 1, /* size (0 = byte, 1 = short, 2 = long) */
1526 true, /* pc_relative */
1528 complain_overflow_signed
, /* complain_on_overflow */
1529 reloc_nil
, /* special_function */
1530 "SREL16", /* name */
1531 true, /* partial_inplace */
1532 0xffff, /* src_mask */
1533 0xffff, /* dst_mask */
1534 false), /* pcrel_offset */
1536 /* 32 bit PC relative offset. */
1537 HOWTO (ALPHA_R_SREL32
, /* type */
1539 2, /* size (0 = byte, 1 = short, 2 = long) */
1541 true, /* pc_relative */
1543 complain_overflow_signed
, /* complain_on_overflow */
1544 reloc_nil
, /* special_function */
1545 "SREL32", /* name */
1546 true, /* partial_inplace */
1547 0xffffffff, /* src_mask */
1548 0xffffffff, /* dst_mask */
1549 false), /* pcrel_offset */
1551 /* A 64 bit PC relative offset. */
1552 HOWTO (ALPHA_R_SREL64
, /* type */
1554 4, /* size (0 = byte, 1 = short, 2 = long) */
1556 true, /* pc_relative */
1558 complain_overflow_signed
, /* complain_on_overflow */
1559 reloc_nil
, /* special_function */
1560 "SREL64", /* name */
1561 true, /* partial_inplace */
1562 MINUS_ONE
, /* src_mask */
1563 MINUS_ONE
, /* dst_mask */
1564 false), /* pcrel_offset */
1566 /* Push a value on the reloc evaluation stack. */
1567 HOWTO (ALPHA_R_OP_PUSH
, /* type */
1569 0, /* size (0 = byte, 1 = short, 2 = long) */
1571 false, /* pc_relative */
1573 complain_overflow_dont
, /* complain_on_overflow */
1574 reloc_nil
, /* special_function */
1575 "OP_PUSH", /* name */
1576 false, /* partial_inplace */
1579 false), /* pcrel_offset */
1581 /* Store the value from the stack at the given address. Store it in
1582 a bitfield of size r_size starting at bit position r_offset. */
1583 HOWTO (ALPHA_R_OP_STORE
, /* type */
1585 4, /* size (0 = byte, 1 = short, 2 = long) */
1587 false, /* pc_relative */
1589 complain_overflow_dont
, /* complain_on_overflow */
1590 reloc_nil
, /* special_function */
1591 "OP_STORE", /* name */
1592 false, /* partial_inplace */
1594 MINUS_ONE
, /* dst_mask */
1595 false), /* pcrel_offset */
1597 /* Subtract the reloc address from the value on the top of the
1598 relocation stack. */
1599 HOWTO (ALPHA_R_OP_PSUB
, /* type */
1601 0, /* size (0 = byte, 1 = short, 2 = long) */
1603 false, /* pc_relative */
1605 complain_overflow_dont
, /* complain_on_overflow */
1606 reloc_nil
, /* special_function */
1607 "OP_PSUB", /* name */
1608 false, /* partial_inplace */
1611 false), /* pcrel_offset */
1613 /* Shift the value on the top of the relocation stack right by the
1615 HOWTO (ALPHA_R_OP_PRSHIFT
, /* type */
1617 0, /* size (0 = byte, 1 = short, 2 = long) */
1619 false, /* pc_relative */
1621 complain_overflow_dont
, /* complain_on_overflow */
1622 reloc_nil
, /* special_function */
1623 "OP_PRSHIFT", /* name */
1624 false, /* partial_inplace */
1627 false), /* pcrel_offset */
1629 /* Hack. Linkage is done by linker. */
1630 HOWTO (ALPHA_R_LINKAGE
, /* type */
1632 8, /* size (0 = byte, 1 = short, 2 = long) */
1634 false, /* pc_relative */
1636 complain_overflow_dont
, /* complain_on_overflow */
1637 reloc_nil
, /* special_function */
1638 "LINKAGE", /* name */
1639 false, /* partial_inplace */
1642 false), /* pcrel_offset */
1644 /* A 32 bit reference to a symbol. */
1645 HOWTO (ALPHA_R_REFLONG
, /* type */
1647 2, /* size (0 = byte, 1 = short, 2 = long) */
1649 false, /* pc_relative */
1651 complain_overflow_bitfield
, /* complain_on_overflow */
1652 reloc_nil
, /* special_function */
1653 "REFLONG", /* name */
1654 true, /* partial_inplace */
1655 0xffffffff, /* src_mask */
1656 0xffffffff, /* dst_mask */
1657 false), /* pcrel_offset */
1659 /* A 64 bit reference to a procedure, written as 32 bit value. */
1660 HOWTO (ALPHA_R_CODEADDR
, /* type */
1662 4, /* size (0 = byte, 1 = short, 2 = long) */
1664 false, /* pc_relative */
1666 complain_overflow_signed
,/* complain_on_overflow */
1667 reloc_nil
, /* special_function */
1668 "CODEADDR", /* name */
1669 false, /* partial_inplace */
1670 0xffffffff, /* src_mask */
1671 0xffffffff, /* dst_mask */
1672 false), /* pcrel_offset */
1676 /* Return a pointer to a howto structure which, when invoked, will perform
1677 the relocation code on data from the architecture noted. */
1679 static const struct reloc_howto_struct
*
1680 vms_bfd_reloc_type_lookup (abfd
, code
)
1681 bfd
*abfd ATTRIBUTE_UNUSED
;
1682 bfd_reloc_code_real_type code
;
1687 vms_debug (1, "vms_bfd_reloc_type_lookup(%p, %d)\t", abfd
, code
);
1692 case BFD_RELOC_16
: alpha_type
= ALPHA_R_SREL16
; break;
1693 case BFD_RELOC_32
: alpha_type
= ALPHA_R_REFLONG
; break;
1694 case BFD_RELOC_64
: alpha_type
= ALPHA_R_REFQUAD
; break;
1695 case BFD_RELOC_CTOR
: alpha_type
= ALPHA_R_REFQUAD
; break;
1696 case BFD_RELOC_23_PCREL_S2
: alpha_type
= ALPHA_R_BRADDR
; break;
1697 case BFD_RELOC_ALPHA_HINT
: alpha_type
= ALPHA_R_HINT
; break;
1698 case BFD_RELOC_16_PCREL
: alpha_type
= ALPHA_R_SREL16
; break;
1699 case BFD_RELOC_32_PCREL
: alpha_type
= ALPHA_R_SREL32
; break;
1700 case BFD_RELOC_64_PCREL
: alpha_type
= ALPHA_R_SREL64
; break;
1701 case BFD_RELOC_ALPHA_LINKAGE
: alpha_type
= ALPHA_R_LINKAGE
; break;
1702 case BFD_RELOC_ALPHA_CODEADDR
: alpha_type
= ALPHA_R_CODEADDR
; break;
1704 (*_bfd_error_handler
) ("reloc (%d) is *UNKNOWN*", code
);
1705 return (const struct reloc_howto_struct
*) NULL
;
1708 vms_debug (2, "reloc is %s\n", alpha_howto_table
[alpha_type
].name
);
1710 return &alpha_howto_table
[alpha_type
];
1714 /*-- Part 4.7, writing an object file ---------------------------------------*/
1716 /* Set the architecture and machine type in BFD abfd to arch and mach.
1717 Find the correct pointer to a structure and insert it into the arch_info
1721 vms_set_arch_mach (abfd
, arch
, mach
)
1723 enum bfd_architecture arch ATTRIBUTE_UNUSED
;
1724 unsigned long mach ATTRIBUTE_UNUSED
;
1727 vms_debug (1, "vms_set_arch_mach(%p, %d, %ld)\n", abfd
, arch
, mach
);
1729 abfd
->arch_info
= bfd_scan_arch("alpha");
1735 /* Sets the contents of the section section in BFD abfd to the data starting
1736 in memory at data. The data is written to the output section starting at
1737 offset offset for count bytes.
1739 Normally true is returned, else false. Possible error returns are:
1740 o bfd_error_no_contents - The output section does not have the
1741 SEC_HAS_CONTENTS attribute, so nothing can be written to it.
1742 o and some more too */
1745 vms_set_section_contents (abfd
, section
, location
, offset
, count
)
1750 bfd_size_type count
;
1753 vms_debug (1, "vms_set_section_contents(%p, sec %s, loc %p, off %ld, count %d)\n",
1754 abfd
, section
->name
, location
, (long int)offset
, (int)count
);
1755 vms_debug (2, "secraw %d, seccooked %d\n", (int)section
->_raw_size
, (int)section
->_cooked_size
);
1757 return _bfd_save_vms_section(abfd
, section
, location
, offset
, count
);
1761 /*-- Part 4.8, linker -------------------------------------------------------*/
1763 /* Get the size of the section headers. */
1766 vms_sizeof_headers (abfd
, reloc
)
1767 bfd
*abfd ATTRIBUTE_UNUSED
;
1768 boolean reloc ATTRIBUTE_UNUSED
;
1771 vms_debug (1, "vms_sizeof_headers(%p, %s)\n", abfd
, (reloc
)?"True":"False");
1777 /* Provides default handling of relocation effort for back ends
1778 which can't be bothered to do it efficiently. */
1781 vms_bfd_get_relocated_section_contents (abfd
, link_info
, link_order
, data
,
1782 relocateable
, symbols
)
1783 bfd
*abfd ATTRIBUTE_UNUSED
;
1784 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1785 struct bfd_link_order
*link_order ATTRIBUTE_UNUSED
;
1786 bfd_byte
*data ATTRIBUTE_UNUSED
;
1787 boolean relocateable ATTRIBUTE_UNUSED
;
1788 asymbol
**symbols ATTRIBUTE_UNUSED
;
1791 vms_debug (1, "vms_bfd_get_relocated_section_contents(%p, %p, %p, %p, %s, %p)\n",
1792 abfd
, link_info
, link_order
, data
, (relocateable
)?"True":"False", symbols
);
1801 vms_bfd_relax_section (abfd
, section
, link_info
, again
)
1802 bfd
*abfd ATTRIBUTE_UNUSED
;
1803 asection
*section ATTRIBUTE_UNUSED
;
1804 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1805 boolean
*again ATTRIBUTE_UNUSED
;
1808 vms_debug (1, "vms_bfd_relax_section(%p, %s, %p, <ret>)\n",
1809 abfd
, section
->name
, link_info
);
1815 vms_bfd_gc_sections (abfd
, link_info
)
1816 bfd
*abfd ATTRIBUTE_UNUSED
;
1817 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1820 vms_debug (1, "vms_bfd_gc_sections(%p, %p)\n", abfd
, link_info
);
1826 /* Create a hash table for the linker. Different backends store
1827 different information in this table. */
1829 static struct bfd_link_hash_table
*
1830 vms_bfd_link_hash_table_create (abfd
)
1831 bfd
*abfd ATTRIBUTE_UNUSED
;
1834 vms_debug (1, "vms_bfd_link_hash_table_create(%p)\n", abfd
);
1840 /* Add symbols from this object file into the hash table. */
1843 vms_bfd_link_add_symbols (abfd
, link_info
)
1844 bfd
*abfd ATTRIBUTE_UNUSED
;
1845 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1848 vms_debug (1, "vms_bfd_link_add_symbols(%p, %p)\n", abfd
, link_info
);
1854 /* Do a link based on the link_order structures attached to each
1855 section of the BFD. */
1858 vms_bfd_final_link (abfd
, link_info
)
1859 bfd
*abfd ATTRIBUTE_UNUSED
;
1860 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
1863 vms_debug (1, "vms_bfd_final_link(%p, %p)\n", abfd
, link_info
);
1868 /* Should this section be split up into smaller pieces during linking. */
1871 vms_bfd_link_split_section (abfd
, section
)
1872 bfd
*abfd ATTRIBUTE_UNUSED
;
1873 asection
*section ATTRIBUTE_UNUSED
;
1876 vms_debug (1, "vms_bfd_link_split_section(%p, %s)\n", abfd
, section
->name
);
1881 /*-- Part 4.9, dynamic symbols and relocations ------------------------------*/
1883 /* Get the amount of memory required to hold the dynamic symbols. */
1886 vms_get_dynamic_symtab_upper_bound (abfd
)
1887 bfd
*abfd ATTRIBUTE_UNUSED
;
1890 vms_debug (1, "vms_get_dynamic_symtab_upper_bound(%p)\n", abfd
);
1896 vms_bfd_print_private_bfd_data (abfd
, file
)
1897 bfd
*abfd ATTRIBUTE_UNUSED
;
1898 void *file ATTRIBUTE_UNUSED
;
1901 vms_debug (1, "vms_bfd_print_private_bfd_data(%p)\n", abfd
);
1907 /* Read in the dynamic symbols. */
1910 vms_canonicalize_dynamic_symtab (abfd
, symbols
)
1911 bfd
*abfd ATTRIBUTE_UNUSED
;
1912 asymbol
**symbols ATTRIBUTE_UNUSED
;
1915 vms_debug (1, "vms_canonicalize_dynamic_symtab(%p, <ret>)\n", abfd
);
1921 /* Get the amount of memory required to hold the dynamic relocs. */
1924 vms_get_dynamic_reloc_upper_bound (abfd
)
1925 bfd
*abfd ATTRIBUTE_UNUSED
;
1928 vms_debug (1, "vms_get_dynamic_reloc_upper_bound(%p)\n", abfd
);
1934 /* Read in the dynamic relocs. */
1937 vms_canonicalize_dynamic_reloc (abfd
, arel
, symbols
)
1938 bfd
*abfd ATTRIBUTE_UNUSED
;
1939 arelent
**arel ATTRIBUTE_UNUSED
;
1940 asymbol
**symbols ATTRIBUTE_UNUSED
;
1943 vms_debug (1, "vms_canonicalize_dynamic_reloc(%p)\n", abfd
);