/* vms.c -- BFD back-end for VAX (openVMS/VAX) and EVAX (openVMS/Alpha) files. Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. Written by Klaus K"ampf (kkaempf@rmi.de) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "bfd.h" #include "sysdep.h" #include "bfdlink.h" #include "libbfd.h" #include "vms.h" static bfd_boolean vms_initialize PARAMS ((bfd *)); static unsigned int priv_section_count; static bfd_boolean fill_section_ptr PARAMS ((struct bfd_hash_entry *, PTR)); static bfd_boolean vms_fixup_sections PARAMS ((bfd *)); static bfd_boolean copy_symbols PARAMS ((struct bfd_hash_entry *, PTR)); static bfd_reloc_status_type reloc_nil PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); static const struct bfd_target *vms_object_p PARAMS ((bfd *abfd)); static const struct bfd_target *vms_archive_p PARAMS ((bfd *abfd)); static bfd_boolean vms_mkobject PARAMS ((bfd *abfd)); static bfd_boolean vms_write_object_contents PARAMS ((bfd *abfd)); static bfd_boolean vms_close_and_cleanup PARAMS ((bfd *abfd)); static bfd_boolean vms_bfd_free_cached_info PARAMS ((bfd *abfd)); static bfd_boolean vms_new_section_hook PARAMS ((bfd *abfd, asection *section)); static bfd_boolean vms_get_section_contents PARAMS ((bfd *abfd, asection *section, PTR x1, file_ptr x2, bfd_size_type x3)); static bfd_boolean vms_get_section_contents_in_window PARAMS ((bfd *abfd, asection *section, bfd_window *w, file_ptr offset, bfd_size_type count)); static bfd_boolean vms_bfd_copy_private_bfd_data PARAMS ((bfd *src, bfd *dest)); static bfd_boolean vms_bfd_copy_private_section_data PARAMS ((bfd *srcbfd, asection *srcsec, bfd *dstbfd, asection *dstsec)); static bfd_boolean vms_bfd_copy_private_symbol_data PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym)); static bfd_boolean vms_bfd_print_private_bfd_data PARAMS ((bfd *abfd, void *file)); static char *vms_core_file_failing_command PARAMS ((bfd *abfd)); static int vms_core_file_failing_signal PARAMS ((bfd *abfd)); static bfd_boolean vms_core_file_matches_executable_p PARAMS ((bfd *abfd, bfd *bbfd)); static bfd_boolean vms_slurp_armap PARAMS ((bfd *abfd)); static bfd_boolean vms_slurp_extended_name_table PARAMS ((bfd *abfd)); static bfd_boolean vms_construct_extended_name_table PARAMS ((bfd *abfd, char **tabloc, bfd_size_type *tablen, const char **name)); static void vms_truncate_arname PARAMS ((bfd *abfd, const char *pathname, char *arhdr)); static bfd_boolean vms_write_armap PARAMS ((bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, int stridx)); static PTR vms_read_ar_hdr PARAMS ((bfd *abfd)); static bfd *vms_get_elt_at_index PARAMS ((bfd *abfd, symindex index)); static bfd *vms_openr_next_archived_file PARAMS ((bfd *arch, bfd *prev)); static bfd_boolean vms_update_armap_timestamp PARAMS ((bfd *abfd)); static int vms_generic_stat_arch_elt PARAMS ((bfd *, struct stat *)); static long vms_get_symtab_upper_bound PARAMS ((bfd *abfd)); static long vms_get_symtab PARAMS ((bfd *abfd, asymbol **symbols)); static void vms_print_symbol PARAMS ((bfd *abfd, PTR file, asymbol *symbol, bfd_print_symbol_type how)); static void vms_get_symbol_info PARAMS ((bfd *abfd, asymbol *symbol, symbol_info *ret)); static bfd_boolean vms_bfd_is_local_label_name PARAMS ((bfd *abfd, const char *)); static alent *vms_get_lineno PARAMS ((bfd *abfd, asymbol *symbol)); static bfd_boolean vms_find_nearest_line PARAMS ((bfd *abfd, asection *section, asymbol **symbols, bfd_vma offset, const char **file, const char **func, unsigned int *line)); static asymbol *vms_bfd_make_debug_symbol PARAMS ((bfd *abfd, void *ptr, unsigned long size)); static long vms_read_minisymbols PARAMS ((bfd *abfd, bfd_boolean dynamic, PTR *minisymsp, unsigned int *sizep)); static asymbol *vms_minisymbol_to_symbol PARAMS ((bfd *abfd, bfd_boolean dynamic, const PTR minisym, asymbol *sym)); static long vms_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect)); static long vms_canonicalize_reloc PARAMS ((bfd *abfd, asection *srcsec, arelent **location, asymbol **symbols)); static const struct reloc_howto_struct *vms_bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); static bfd_boolean vms_set_arch_mach PARAMS ((bfd *abfd, enum bfd_architecture arch, unsigned long mach)); static bfd_boolean vms_set_section_contents PARAMS ((bfd *abfd, asection *section, PTR location, file_ptr offset, bfd_size_type count)); static int vms_sizeof_headers PARAMS ((bfd *abfd, bfd_boolean reloc)); static bfd_byte *vms_bfd_get_relocated_section_contents PARAMS ((bfd *abfd, struct bfd_link_info *link_info, struct bfd_link_order *link_order, bfd_byte *data, bfd_boolean relocatable, asymbol **symbols)); static bfd_boolean vms_bfd_relax_section PARAMS ((bfd *abfd, asection *section, struct bfd_link_info *link_info, bfd_boolean *again)); static bfd_boolean vms_bfd_gc_sections PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); static bfd_boolean vms_bfd_merge_sections PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); static struct bfd_link_hash_table *vms_bfd_link_hash_table_create PARAMS ((bfd *abfd)); static void vms_bfd_link_hash_table_free PARAMS ((struct bfd_link_hash_table *hash)); static bfd_boolean vms_bfd_link_add_symbols PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); static bfd_boolean vms_bfd_final_link PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); static bfd_boolean vms_bfd_link_split_section PARAMS ((bfd *abfd, asection *section)); static long vms_get_dynamic_symtab_upper_bound PARAMS ((bfd *abfd)); static long vms_canonicalize_dynamic_symtab PARAMS ((bfd *abfd, asymbol **symbols)); static long vms_get_dynamic_reloc_upper_bound PARAMS ((bfd *abfd)); static long vms_canonicalize_dynamic_reloc PARAMS ((bfd *abfd, arelent **arel, asymbol **symbols)); static bfd_boolean vms_bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd)); static bfd_boolean vms_bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags)); #define vms_make_empty_symbol _bfd_generic_make_empty_symbol #define vms_bfd_link_just_syms _bfd_generic_link_just_syms #define vms_bfd_discard_group bfd_generic_discard_group /*===========================================================================*/ const bfd_target vms_alpha_vec = { "vms-alpha", /* name */ bfd_target_evax_flavour, BFD_ENDIAN_LITTLE, /* data byte order is little */ BFD_ENDIAN_LITTLE, /* header byte order is little */ (HAS_RELOC | HAS_SYMS | WP_TEXT | D_PAGED), /* object flags */ (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_CODE | SEC_DATA | SEC_HAS_CONTENTS | SEC_IN_MEMORY), /* sect flags */ 0, /* symbol_leading_char */ ' ', /* ar_pad_char */ 15, /* ar_max_namelen */ bfd_getl64, bfd_getl_signed_64, bfd_putl64, bfd_getl32, bfd_getl_signed_32, bfd_putl32, bfd_getl16, bfd_getl_signed_16, bfd_putl16, bfd_getl64, bfd_getl_signed_64, bfd_putl64, bfd_getl32, bfd_getl_signed_32, bfd_putl32, bfd_getl16, bfd_getl_signed_16, bfd_putl16, {_bfd_dummy_target, vms_object_p, /* bfd_check_format */ vms_archive_p, _bfd_dummy_target}, {bfd_false, vms_mkobject, /* bfd_set_format */ _bfd_generic_mkarchive, bfd_false}, {bfd_false, vms_write_object_contents, /* bfd_write_contents */ _bfd_write_archive_contents, bfd_false}, BFD_JUMP_TABLE_GENERIC (vms), BFD_JUMP_TABLE_COPY (vms), BFD_JUMP_TABLE_CORE (vms), BFD_JUMP_TABLE_ARCHIVE (vms), BFD_JUMP_TABLE_SYMBOLS (vms), BFD_JUMP_TABLE_RELOCS (vms), BFD_JUMP_TABLE_WRITE (vms), BFD_JUMP_TABLE_LINK (vms), BFD_JUMP_TABLE_DYNAMIC (vms), NULL, (PTR) 0 }; const bfd_target vms_vax_vec = { "vms-vax", /* name */ bfd_target_ovax_flavour, BFD_ENDIAN_LITTLE, /* data byte order is little */ BFD_ENDIAN_LITTLE, /* header byte order is little */ (HAS_RELOC | HAS_SYMS /* object flags */ | WP_TEXT | D_PAGED | HAS_LINENO | HAS_DEBUG | HAS_LOCALS), (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_CODE | SEC_DATA | SEC_HAS_CONTENTS | SEC_IN_MEMORY), /* sect flags */ 0, /* symbol_leading_char */ ' ', /* ar_pad_char */ 15, /* ar_max_namelen */ bfd_getl64, bfd_getl_signed_64, bfd_putl64, bfd_getl32, bfd_getl_signed_32, bfd_putl32, bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ bfd_getl64, bfd_getl_signed_64, bfd_putl64, bfd_getl32, bfd_getl_signed_32, bfd_putl32, bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ {_bfd_dummy_target, vms_object_p, /* bfd_check_format */ vms_archive_p, _bfd_dummy_target}, {bfd_false, vms_mkobject, /* bfd_set_format */ _bfd_generic_mkarchive, bfd_false}, {bfd_false, vms_write_object_contents, /* bfd_write_contents */ _bfd_write_archive_contents, bfd_false}, BFD_JUMP_TABLE_GENERIC (vms), BFD_JUMP_TABLE_COPY (vms), BFD_JUMP_TABLE_CORE (vms), BFD_JUMP_TABLE_ARCHIVE (vms), BFD_JUMP_TABLE_SYMBOLS (vms), BFD_JUMP_TABLE_RELOCS (vms), BFD_JUMP_TABLE_WRITE (vms), BFD_JUMP_TABLE_LINK (vms), BFD_JUMP_TABLE_DYNAMIC (vms), NULL, (PTR) 0 }; /*===========================================================================*/ /* Initialize private data */ static bfd_boolean vms_initialize (abfd) bfd *abfd; { int i; bfd_size_type amt; bfd_set_start_address (abfd, (bfd_vma) -1); amt = sizeof (struct vms_private_data_struct); abfd->tdata.any = (struct vms_private_data_struct*) bfd_alloc (abfd, amt); if (abfd->tdata.any == 0) return FALSE; #ifdef __ALPHA PRIV (is_vax) = 0; #else PRIV (is_vax) = 1; #endif PRIV (vms_buf) = 0; PRIV (buf_size) = 0; PRIV (rec_length) = 0; PRIV (file_format) = FF_UNKNOWN; PRIV (fixup_done) = FALSE; PRIV (sections) = NULL; amt = sizeof (struct stack_struct) * STACKSIZE; PRIV (stack) = (struct stack_struct *) bfd_alloc (abfd, amt); if (PRIV (stack) == 0) goto error_ret1; PRIV (stackptr) = 0; amt = sizeof (struct bfd_hash_table); PRIV (vms_symbol_table) = (struct bfd_hash_table *) bfd_alloc (abfd, amt); if (PRIV (vms_symbol_table) == 0) goto error_ret1; if (!bfd_hash_table_init (PRIV (vms_symbol_table), _bfd_vms_hash_newfunc)) goto error_ret1; amt = sizeof (struct location_struct) * LOCATION_SAVE_SIZE; PRIV (location_stack) = (struct location_struct *) bfd_alloc (abfd, amt); if (PRIV (location_stack) == 0) goto error_ret2; for (i = 0; i < VMS_SECTION_COUNT; i++) PRIV (vms_section_table)[i] = NULL; amt = MAX_OUTREC_SIZE; PRIV (output_buf) = (unsigned char *) bfd_alloc (abfd, amt); if (PRIV (output_buf) == 0) goto error_ret2; PRIV (push_level) = 0; PRIV (pushed_size) = 0; PRIV (length_pos) = 2; PRIV (output_size) = 0; PRIV (output_alignment) = 1; return TRUE; error_ret2: bfd_hash_table_free (PRIV (vms_symbol_table)); error_ret1: bfd_release (abfd, abfd->tdata.any); abfd->tdata.any = 0; return FALSE; } /* Fill symbol->section with section ptr symbol->section is filled with the section index for defined symbols during reading the GSD/EGSD section. But we need the pointer to the bfd section later. It has the correct value for referenced (undefined section) symbols called from bfd_hash_traverse in vms_fixup_sections */ static bfd_boolean fill_section_ptr (entry, sections) struct bfd_hash_entry *entry; PTR sections; { asection *sec; asymbol *sym; sym = ((vms_symbol_entry *)entry)->symbol; sec = sym->section; #if VMS_DEBUG vms_debug (6, "fill_section_ptr: sym %p, sec %p\n", sym, sec); #endif /* fill forward references (these contain section number, not section ptr). */ if ((unsigned int) sec < priv_section_count) { sec = ((vms_symbol_entry *)entry)->symbol->section = ((asection **)sections)[(int)sec]; } if (strcmp (sym->name, sec->name) == 0) sym->flags |= BSF_SECTION_SYM; return TRUE; } /* Fixup sections set up all pointers and arrays, counters and sizes are fixed now we build a private sections vector for easy access since sections are always referenced by an index number. alloc PRIV(sections) according to abfd->section_count copy abfd->sections to PRIV(sections) */ static bfd_boolean vms_fixup_sections (abfd) bfd *abfd; { if (PRIV (fixup_done)) return TRUE; /* * traverse symbol table and fill in all section pointers */ /* can't provide section count as argument to fill_section_ptr(). */ priv_section_count = PRIV (section_count); bfd_hash_traverse (PRIV (vms_symbol_table), fill_section_ptr, (PTR) (PRIV (sections))); PRIV (fixup_done) = TRUE; return TRUE; } /*===========================================================================*/ /* Check the format for a file being read. Return a (bfd_target *) if it's an object file or zero if not. */ static const struct bfd_target * vms_object_p (abfd) bfd *abfd; { int err = 0; int prev_type; const struct bfd_target *target_vector = 0; const bfd_arch_info_type *arch = 0; PTR tdata_save = abfd->tdata.any; bfd_vma saddr_save = bfd_get_start_address (abfd); #if VMS_DEBUG vms_debug (1, "vms_object_p(%p)\n", abfd); #endif if (!vms_initialize (abfd)) goto error_ret; if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET)) goto err_wrong_format; prev_type = -1; do { #if VMS_DEBUG vms_debug (7, "reading at %08lx\n", bfd_tell(abfd)); #endif if (_bfd_vms_next_record (abfd) < 0) { #if VMS_DEBUG vms_debug (2, "next_record failed\n"); #endif goto err_wrong_format; } if ((prev_type == EOBJ_S_C_EGSD) && (PRIV (rec_type) != EOBJ_S_C_EGSD)) { if (! vms_fixup_sections (abfd)) { #if VMS_DEBUG vms_debug (2, "vms_fixup_sections failed\n"); #endif goto err_wrong_format; } } prev_type = PRIV (rec_type); if (target_vector == 0) { if (prev_type <= OBJ_S_C_MAXRECTYP) target_vector = &vms_vax_vec; else target_vector = &vms_alpha_vec; } switch (prev_type) { case OBJ_S_C_HDR: case EOBJ_S_C_EMH: err = _bfd_vms_slurp_hdr (abfd, prev_type); break; case OBJ_S_C_EOM: case OBJ_S_C_EOMW: case EOBJ_S_C_EEOM: err = _bfd_vms_slurp_eom (abfd, prev_type); break; case OBJ_S_C_GSD: case EOBJ_S_C_EGSD: err = _bfd_vms_slurp_gsd (abfd, prev_type); break; case OBJ_S_C_TIR: case EOBJ_S_C_ETIR: err = _bfd_vms_slurp_tir (abfd, prev_type); break; case OBJ_S_C_DBG: case EOBJ_S_C_EDBG: err = _bfd_vms_slurp_dbg (abfd, prev_type); break; case OBJ_S_C_TBT: case EOBJ_S_C_ETBT: err = _bfd_vms_slurp_tbt (abfd, prev_type); break; case OBJ_S_C_LNK: err = _bfd_vms_slurp_lnk (abfd, prev_type); break; default: err = -1; } if (err != 0) { #if VMS_DEBUG vms_debug (2, "slurp type %d failed with %d\n", prev_type, err); #endif goto err_wrong_format; } } while ((prev_type != EOBJ_S_C_EEOM) && (prev_type != OBJ_S_C_EOM) && (prev_type != OBJ_S_C_EOMW)); if (target_vector == &vms_vax_vec) { if (! vms_fixup_sections (abfd)) { #if VMS_DEBUG vms_debug (2, "vms_fixup_sections failed\n"); #endif goto err_wrong_format; } /* set arch_info to vax */ arch = bfd_scan_arch ("vax"); PRIV (is_vax) = 1; #if VMS_DEBUG vms_debug (2, "arch is vax\n"); #endif } else if (target_vector == &vms_alpha_vec) { /* set arch_info to alpha */ arch = bfd_scan_arch ("alpha"); PRIV (is_vax) = 0; #if VMS_DEBUG vms_debug (2, "arch is alpha\n"); #endif } if (arch == 0) { #if VMS_DEBUG vms_debug (2, "arch not found\n"); #endif goto err_wrong_format; } abfd->arch_info = arch; return target_vector; err_wrong_format: bfd_set_error (bfd_error_wrong_format); error_ret: if (abfd->tdata.any != tdata_save && abfd->tdata.any != NULL) bfd_release (abfd, abfd->tdata.any); abfd->tdata.any = tdata_save; bfd_set_start_address (abfd, saddr_save); return NULL; } /* Check the format for a file being read. Return a (bfd_target *) if it's an archive file or zero. */ static const struct bfd_target * vms_archive_p (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_archive_p(%p)\n", abfd); #endif return 0; } /* Set the format of a file being written. */ static bfd_boolean vms_mkobject (abfd) bfd *abfd; { #if VMS_DEBUG vms_debug (1, "vms_mkobject(%p)\n", abfd); #endif if (!vms_initialize (abfd)) return 0; { #ifdef __VAX const bfd_arch_info_type *arch = bfd_scan_arch ("vax"); #else const bfd_arch_info_type *arch = bfd_scan_arch ("alpha"); #endif if (arch == 0) { bfd_set_error(bfd_error_wrong_format); return 0; } abfd->arch_info = arch; } return TRUE; } /* Write cached information into a file being written, at bfd_close. */ static bfd_boolean vms_write_object_contents (abfd) bfd *abfd; { #if VMS_DEBUG vms_debug (1, "vms_write_object_contents(%p)\n", abfd); #endif if (abfd->section_count > 0) /* we have sections */ { if (PRIV (is_vax)) { if (_bfd_vms_write_hdr (abfd, OBJ_S_C_HDR) != 0) return FALSE; if (_bfd_vms_write_gsd (abfd, OBJ_S_C_GSD) != 0) return FALSE; if (_bfd_vms_write_tir (abfd, OBJ_S_C_TIR) != 0) return FALSE; if (_bfd_vms_write_tbt (abfd, OBJ_S_C_TBT) != 0) return FALSE; if (_bfd_vms_write_dbg (abfd, OBJ_S_C_DBG) != 0) return FALSE; if (abfd->section_count > 255) { if (_bfd_vms_write_eom (abfd, OBJ_S_C_EOMW) != 0) return FALSE; } else { if (_bfd_vms_write_eom (abfd, OBJ_S_C_EOM) != 0) return FALSE; } } else { if (_bfd_vms_write_hdr (abfd, EOBJ_S_C_EMH) != 0) return FALSE; if (_bfd_vms_write_gsd (abfd, EOBJ_S_C_EGSD) != 0) return FALSE; if (_bfd_vms_write_tir (abfd, EOBJ_S_C_ETIR) != 0) return FALSE; if (_bfd_vms_write_tbt (abfd, EOBJ_S_C_ETBT) != 0) return FALSE; if (_bfd_vms_write_dbg (abfd, EOBJ_S_C_EDBG) != 0) return FALSE; if (_bfd_vms_write_eom (abfd, EOBJ_S_C_EEOM) != 0) return FALSE; } } return TRUE; } /*-- 4.1, generic -----------------------------------------------------------*/ /* Called when the BFD is being closed to do any necessary cleanup. */ static bfd_boolean vms_close_and_cleanup (abfd) bfd *abfd; { #if VMS_DEBUG vms_debug (1, "vms_close_and_cleanup(%p)\n", abfd); #endif if (abfd == 0) return TRUE; if (PRIV (vms_buf) != NULL) free (PRIV (vms_buf)); if (PRIV (sections) != NULL) free (PRIV (sections)); if (PRIV (vms_symbol_table)) bfd_hash_table_free (PRIV (vms_symbol_table)); bfd_release (abfd, abfd->tdata.any); abfd->tdata.any = NULL; return TRUE; } /* Ask the BFD to free all cached information. */ static bfd_boolean vms_bfd_free_cached_info (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_free_cached_info(%p)\n", abfd); #endif return TRUE; } /* Called when a new section is created. */ static bfd_boolean vms_new_section_hook (abfd, section) bfd *abfd; asection *section; { /* Count hasn't been incremented yet. */ unsigned int section_count = abfd->section_count + 1; #if VMS_DEBUG vms_debug (1, "vms_new_section_hook (%p, [%d]%s), count %d\n", abfd, section->index, section->name, section_count); #endif bfd_set_section_alignment (abfd, section, 4); if (section_count > PRIV (section_count)) { bfd_size_type amt = section_count; amt *= sizeof (asection *); PRIV (sections) = (asection **) bfd_realloc (PRIV (sections), amt); if (PRIV (sections) == 0) return FALSE; PRIV (section_count) = section_count; } #if VMS_DEBUG vms_debug (6, "section_count: %d\n", PRIV (section_count)); #endif PRIV (sections)[section->index] = section; #if VMS_DEBUG vms_debug (7, "%d: %s\n", section->index, section->name); #endif return TRUE; } /* Read the contents of a section. buf points to a buffer of buf_size bytes to be filled with section data (starting at offset into section) */ static bfd_boolean vms_get_section_contents (abfd, section, buf, offset, buf_size) bfd *abfd ATTRIBUTE_UNUSED; asection *section ATTRIBUTE_UNUSED; PTR buf ATTRIBUTE_UNUSED; file_ptr offset ATTRIBUTE_UNUSED; bfd_size_type buf_size ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_get_section_contents(%p, %s, %p, off %ld, size %d)\n", abfd, section->name, buf, offset, (int)buf_size); #endif /* shouldn't be called, since all sections are IN_MEMORY */ return FALSE; } /* Read the contents of a section. buf points to a buffer of buf_size bytes to be filled with section data (starting at offset into section) */ static bfd_boolean vms_get_section_contents_in_window (abfd, section, w, offset, count) bfd *abfd ATTRIBUTE_UNUSED; asection *section ATTRIBUTE_UNUSED; bfd_window *w ATTRIBUTE_UNUSED; file_ptr offset ATTRIBUTE_UNUSED; bfd_size_type count ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_get_section_contents_in_window(%p, %s, %p, off %ld, count %d)\n", abfd, section->name, w, offset, (int)count); #endif /* shouldn't be called, since all sections are IN_MEMORY */ return FALSE; } /*-- Part 4.2, copy private data --------------------------------------------*/ /* Called to copy BFD general private data from one object file to another. */ static bfd_boolean vms_bfd_copy_private_bfd_data (src, dest) bfd *src ATTRIBUTE_UNUSED; bfd *dest ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_copy_private_bfd_data(%p, %p)\n", src, dest); #endif return TRUE; } /* Merge private BFD information from the BFD @var{ibfd} to the the output file BFD @var{obfd} when linking. Return <<TRUE>> on success, <<FALSE>> on error. Possible error returns are: o <<bfd_error_no_memory>> - Not enough memory exists to create private data for @var{obfd}. */ static bfd_boolean vms_bfd_merge_private_bfd_data (ibfd, obfd) bfd *ibfd ATTRIBUTE_UNUSED; bfd *obfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1,"vms_bfd_merge_private_bfd_data(%p, %p)\n", ibfd, obfd); #endif return TRUE; } /* Set private BFD flag information in the BFD @var{abfd}. Return <<TRUE>> on success, <<FALSE>> on error. Possible error returns are: o <<bfd_error_no_memory>> - Not enough memory exists to create private data for @var{obfd}. */ static bfd_boolean vms_bfd_set_private_flags (abfd, flags) bfd *abfd ATTRIBUTE_UNUSED; flagword flags ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1,"vms_bfd_set_private_flags(%p, %lx)\n", abfd, (long)flags); #endif return TRUE; } /* Called to copy BFD private section data from one object file to another. */ static bfd_boolean vms_bfd_copy_private_section_data (srcbfd, srcsec, dstbfd, dstsec) bfd *srcbfd ATTRIBUTE_UNUSED; asection *srcsec ATTRIBUTE_UNUSED; bfd *dstbfd ATTRIBUTE_UNUSED; asection *dstsec ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_copy_private_section_data(%p, %s, %p, %s)\n", srcbfd, srcsec->name, dstbfd, dstsec->name); #endif return TRUE; } /* Called to copy BFD private symbol data from one object file to another. */ static bfd_boolean vms_bfd_copy_private_symbol_data (ibfd, isym, obfd, osym) bfd *ibfd ATTRIBUTE_UNUSED; asymbol *isym ATTRIBUTE_UNUSED; bfd *obfd ATTRIBUTE_UNUSED; asymbol *osym ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_copy_private_symbol_data(%p, %s, %p, %s)\n", ibfd, isym->name, obfd, osym->name); #endif return TRUE; } /*-- Part 4.3, core file ----------------------------------------------------*/ /* Return a read-only string explaining which program was running when it failed and produced the core file abfd. */ static char * vms_core_file_failing_command (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_core_file_failing_command(%p)\n", abfd); #endif return 0; } /* Returns the signal number which caused the core dump which generated the file the BFD abfd is attached to. */ static int vms_core_file_failing_signal (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_core_file_failing_signal(%p)\n", abfd); #endif return 0; } /* Return TRUE if the core file attached to core_bfd was generated by a run of the executable file attached to exec_bfd, FALSE otherwise. */ static bfd_boolean vms_core_file_matches_executable_p (abfd, bbfd) bfd *abfd ATTRIBUTE_UNUSED; bfd *bbfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_core_file_matches_executable_p(%p, %p)\n", abfd, bbfd); #endif return FALSE; } /*-- Part 4.4, archive ------------------------------------------------------*/ /* ??? do something with an archive map. Return FALSE on error, TRUE otherwise. */ static bfd_boolean vms_slurp_armap (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_slurp_armap(%p)\n", abfd); #endif return FALSE; } /* ??? do something with an extended name table. Return FALSE on error, TRUE otherwise. */ static bfd_boolean vms_slurp_extended_name_table (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_slurp_extended_name_table(%p)\n", abfd); #endif return FALSE; } /* ??? do something with an extended name table. Return FALSE on error, TRUE otherwise. */ static bfd_boolean vms_construct_extended_name_table (abfd, tabloc, tablen, name) bfd *abfd ATTRIBUTE_UNUSED; char **tabloc ATTRIBUTE_UNUSED; bfd_size_type *tablen ATTRIBUTE_UNUSED; const char **name ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_construct_extended_name_table(%p)\n", abfd); #endif return FALSE; } /* Truncate the name of an archive to match system-dependent restrictions */ static void vms_truncate_arname (abfd, pathname, arhdr) bfd *abfd ATTRIBUTE_UNUSED; const char *pathname ATTRIBUTE_UNUSED; char *arhdr ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_truncate_arname(%p, %s, %s)\n", abfd, pathname, arhdr); #endif return; } /* ??? write archive map */ static bfd_boolean vms_write_armap (arch, elength, map, orl_count, stridx) bfd *arch ATTRIBUTE_UNUSED; unsigned int elength ATTRIBUTE_UNUSED; struct orl *map ATTRIBUTE_UNUSED; unsigned int orl_count ATTRIBUTE_UNUSED; int stridx ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_write_armap(%p, %d, %p, %d %d)\n", arch, elength, map, orl_count, stridx); #endif return TRUE; } /* Read archive header ??? */ static PTR vms_read_ar_hdr (abfd) bfd * abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_read_ar_hdr(%p)\n", abfd); #endif return (PTR)0; } /* Provided a BFD, @var{archive}, containing an archive and NULL, open an input BFD on the first contained element and returns that. Subsequent calls should pass the archive and the previous return value to return a created BFD to the next contained element. NULL is returned when there are no more. */ static bfd * vms_openr_next_archived_file (arch, prev) bfd *arch ATTRIBUTE_UNUSED; bfd *prev ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_openr_next_archived_file(%p, %p)\n", arch, prev); #endif return NULL; } /* Return the BFD which is referenced by the symbol in ABFD indexed by INDEX. INDEX should have been returned by bfd_get_next_mapent. */ static bfd * vms_get_elt_at_index (abfd, index) bfd *abfd; symindex index; { #if VMS_DEBUG vms_debug (1, "vms_get_elt_at_index(%p, %p)\n", abfd, index); #endif return _bfd_generic_get_elt_at_index(abfd, index); } /* ??? -> bfd_generic_stat_arch_elt */ static int vms_generic_stat_arch_elt (abfd, st) bfd *abfd; struct stat *st; { #if VMS_DEBUG vms_debug (1, "vms_generic_stat_arch_elt(%p, %p)\n", abfd, st); #endif return bfd_generic_stat_arch_elt (abfd, st); } /* This is a new function in bfd 2.5 */ static bfd_boolean vms_update_armap_timestamp (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_update_armap_timestamp(%p)\n", abfd); #endif return TRUE; } /*-- Part 4.5, symbols --------------------------------------------------------*/ /* Return the number of bytes required to store a vector of pointers to asymbols for all the symbols in the BFD abfd, including a terminal NULL pointer. If there are no symbols in the BFD, then return 0. If an error occurs, return -1. */ static long vms_get_symtab_upper_bound (abfd) bfd *abfd; { #if VMS_DEBUG vms_debug (1, "vms_get_symtab_upper_bound(%p), %d symbols\n", abfd, PRIV (gsd_sym_count)); #endif return (PRIV (gsd_sym_count)+1) * sizeof (asymbol *); } /* Copy symbols from hash table to symbol vector called from bfd_hash_traverse in vms_get_symtab init counter to 0 if entry == 0 */ static bfd_boolean copy_symbols (entry, arg) struct bfd_hash_entry *entry; PTR arg; { bfd *abfd = (bfd *) arg; if (entry == NULL) /* init counter */ PRIV (symnum) = 0; else /* fill vector, inc counter */ PRIV (symcache)[PRIV (symnum)++] = ((vms_symbol_entry *)entry)->symbol; return TRUE; } /* Read the symbols from the BFD abfd, and fills in the vector location with pointers to the symbols and a trailing NULL. return # of symbols read */ static long vms_get_symtab (abfd, symbols) bfd *abfd; asymbol **symbols; { #if VMS_DEBUG vms_debug (1, "vms_get_symtab(%p, <ret>)\n", abfd); #endif /* init counter */ (void)copy_symbols((struct bfd_hash_entry *)0, abfd); /* traverse table and fill symbols vector */ PRIV (symcache) = symbols; bfd_hash_traverse(PRIV (vms_symbol_table), copy_symbols, (PTR)abfd); symbols[PRIV (gsd_sym_count)] = NULL; return PRIV (gsd_sym_count); } /* Print symbol to file according to how. how is one of bfd_print_symbol_name just print the name bfd_print_symbol_more print more (???) bfd_print_symbol_all print all we know, which is not much right now :-) */ static void vms_print_symbol (abfd, file, symbol, how) bfd *abfd; PTR file; asymbol *symbol; bfd_print_symbol_type how; { #if VMS_DEBUG vms_debug (1, "vms_print_symbol(%p, %p, %p, %d)\n", abfd, file, symbol, how); #endif switch (how) { case bfd_print_symbol_name: case bfd_print_symbol_more: fprintf ((FILE *)file," %s", symbol->name); break; case bfd_print_symbol_all: { const char *section_name = symbol->section->name; bfd_print_symbol_vandf (abfd, (PTR)file, symbol); fprintf ((FILE *)file," %-8s %s", section_name, symbol->name); } break; } return; } /* Return information about symbol in ret. fill type, value and name type: A absolute B bss segment symbol C common symbol D data segment symbol f filename t a static function symbol T text segment symbol U undefined - debug */ static void vms_get_symbol_info (abfd, symbol, ret) bfd *abfd ATTRIBUTE_UNUSED; asymbol *symbol; symbol_info *ret; { asection *sec; #if VMS_DEBUG vms_debug (1, "vms_get_symbol_info(%p, %p, %p)\n", abfd, symbol, ret); #endif sec = symbol->section; if (ret == 0) return; if (bfd_is_com_section (sec)) ret->type = 'C'; else if (bfd_is_abs_section (sec)) ret->type = 'A'; else if (bfd_is_und_section (sec)) ret->type = 'U'; else if (bfd_is_ind_section (sec)) ret->type = 'I'; else if (bfd_get_section_flags (abfd, sec) & SEC_CODE) ret->type = 'T'; else if (bfd_get_section_flags (abfd, sec) & SEC_DATA) ret->type = 'D'; else if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC) ret->type = 'B'; else ret->type = '-'; if (ret->type != 'U') ret->value = symbol->value + symbol->section->vma; else ret->value = 0; ret->name = symbol->name; return; } /* Return TRUE if the given symbol sym in the BFD abfd is a compiler generated local label, else return FALSE. */ static bfd_boolean vms_bfd_is_local_label_name (abfd, name) bfd *abfd ATTRIBUTE_UNUSED; const char *name; { #if VMS_DEBUG vms_debug (1, "vms_bfd_is_local_label_name(%p, %s)\n", abfd, name); #endif return name[0] == '$'; } /* Get source line number for symbol */ static alent * vms_get_lineno (abfd, symbol) bfd *abfd ATTRIBUTE_UNUSED; asymbol *symbol ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_get_lineno(%p, %p)\n", abfd, symbol); #endif return 0; } /* Provided a BFD, a section and an offset into the section, calculate and return the name of the source file and the line nearest to the wanted location. */ static bfd_boolean vms_find_nearest_line (abfd, section, symbols, offset, file, func, line) bfd *abfd ATTRIBUTE_UNUSED; asection *section ATTRIBUTE_UNUSED; asymbol **symbols ATTRIBUTE_UNUSED; bfd_vma offset ATTRIBUTE_UNUSED; const char **file ATTRIBUTE_UNUSED; const char **func ATTRIBUTE_UNUSED; unsigned int *line ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_find_nearest_line(%p, %s, %p, %ld, <ret>, <ret>, <ret>)\n", abfd, section->name, symbols, (long int)offset); #endif return FALSE; } /* Back-door to allow format-aware applications to create debug symbols while using BFD for everything else. Currently used by the assembler when creating COFF files. */ static asymbol * vms_bfd_make_debug_symbol (abfd, ptr, size) bfd *abfd ATTRIBUTE_UNUSED; void *ptr ATTRIBUTE_UNUSED; unsigned long size ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_make_debug_symbol(%p, %p, %ld)\n", abfd, ptr, size); #endif return 0; } /* Read minisymbols. For minisymbols, we use the unmodified a.out symbols. The minisymbol_to_symbol function translates these into BFD asymbol structures. */ static long vms_read_minisymbols (abfd, dynamic, minisymsp, sizep) bfd *abfd; bfd_boolean dynamic; PTR *minisymsp; unsigned int *sizep; { #if VMS_DEBUG vms_debug (1, "vms_read_minisymbols(%p, %d, %p, %d)\n", abfd, dynamic, minisymsp, *sizep); #endif return _bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep); } /* Convert a minisymbol to a BFD asymbol. A minisymbol is just an unmodified a.out symbol. The SYM argument is a structure returned by bfd_make_empty_symbol, which we fill in here. */ static asymbol * vms_minisymbol_to_symbol (abfd, dynamic, minisym, sym) bfd *abfd; bfd_boolean dynamic; const PTR minisym; asymbol *sym; { #if VMS_DEBUG vms_debug (1, "vms_minisymbol_to_symbol(%p, %d, %p, %p)\n", abfd, dynamic, minisym, sym); #endif return _bfd_generic_minisymbol_to_symbol (abfd, dynamic, minisym, sym); } /*-- Part 4.6, relocations --------------------------------------------------*/ /* Return the number of bytes required to store the relocation information associated with section sect attached to bfd abfd. If an error occurs, return -1. */ static long vms_get_reloc_upper_bound (abfd, section) bfd *abfd ATTRIBUTE_UNUSED; asection *section ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_get_reloc_upper_bound(%p, %s)\n", abfd, section->name); #endif return -1L; } /* Call the back end associated with the open BFD abfd and translate the external form of the relocation information attached to sec into the internal canonical form. Place the table into memory at loc, which has been preallocated, usually by a call to bfd_get_reloc_upper_bound. Returns the number of relocs, or -1 on error. */ static long vms_canonicalize_reloc (abfd, section, location, symbols) bfd *abfd ATTRIBUTE_UNUSED; asection *section ATTRIBUTE_UNUSED; arelent **location ATTRIBUTE_UNUSED; asymbol **symbols ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_canonicalize_reloc(%p, %s, <ret>, <ret>)\n", abfd, section->name); #endif return FALSE; } /*---------------------------------------------------------------------------*/ /* this is just copied from ecoff-alpha, needs to be fixed probably */ /* How to process the various reloc types. */ static bfd_reloc_status_type reloc_nil (abfd, reloc, sym, data, sec, output_bfd, error_message) bfd *abfd ATTRIBUTE_UNUSED; arelent *reloc ATTRIBUTE_UNUSED; asymbol *sym ATTRIBUTE_UNUSED; PTR data ATTRIBUTE_UNUSED; asection *sec ATTRIBUTE_UNUSED; bfd *output_bfd ATTRIBUTE_UNUSED; char **error_message ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "reloc_nil(abfd %p, output_bfd %p)\n", abfd, output_bfd); vms_debug (2, "In section %s, symbol %s\n", sec->name, sym->name); vms_debug (2, "reloc sym %s, addr %08lx, addend %08lx, reloc is a %s\n", reloc->sym_ptr_ptr[0]->name, (unsigned long)reloc->address, (unsigned long)reloc->addend, reloc->howto->name); vms_debug (2, "data at %p\n", data); /* _bfd_hexdump (2, data, bfd_get_reloc_size(reloc->howto),0); */ #endif return bfd_reloc_ok; } /* In case we're on a 32-bit machine, construct a 64-bit "-1" value from smaller values. Start with zero, widen, *then* decrement. */ #define MINUS_ONE (((bfd_vma)0) - 1) static reloc_howto_type alpha_howto_table[] = { HOWTO (ALPHA_R_IGNORE, /* type */ 0, /* rightshift */ 0, /* size (0 = byte, 1 = short, 2 = long) */ 8, /* bitsize */ TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ reloc_nil, /* special_function */ "IGNORE", /* name */ TRUE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ TRUE), /* pcrel_offset */ /* A 64 bit reference to a symbol. */ HOWTO (ALPHA_R_REFQUAD, /* type */ 0, /* rightshift */ 4, /* size (0 = byte, 1 = short, 2 = long) */ 64, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ reloc_nil, /* special_function */ "REFQUAD", /* name */ TRUE, /* partial_inplace */ MINUS_ONE, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ /* A 21 bit branch. The native assembler generates these for branches within the text segment, and also fills in the PC relative offset in the instruction. */ HOWTO (ALPHA_R_BRADDR, /* type */ 2, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 21, /* bitsize */ TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ reloc_nil, /* special_function */ "BRADDR", /* name */ TRUE, /* partial_inplace */ 0x1fffff, /* src_mask */ 0x1fffff, /* dst_mask */ FALSE), /* pcrel_offset */ /* A hint for a jump to a register. */ HOWTO (ALPHA_R_HINT, /* type */ 2, /* rightshift */ 1, /* size (0 = byte, 1 = short, 2 = long) */ 14, /* bitsize */ TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ reloc_nil, /* special_function */ "HINT", /* name */ TRUE, /* partial_inplace */ 0x3fff, /* src_mask */ 0x3fff, /* dst_mask */ FALSE), /* pcrel_offset */ /* 16 bit PC relative offset. */ HOWTO (ALPHA_R_SREL16, /* type */ 0, /* rightshift */ 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ reloc_nil, /* special_function */ "SREL16", /* name */ TRUE, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ FALSE), /* pcrel_offset */ /* 32 bit PC relative offset. */ HOWTO (ALPHA_R_SREL32, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ reloc_nil, /* special_function */ "SREL32", /* name */ TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ FALSE), /* pcrel_offset */ /* A 64 bit PC relative offset. */ HOWTO (ALPHA_R_SREL64, /* type */ 0, /* rightshift */ 4, /* size (0 = byte, 1 = short, 2 = long) */ 64, /* bitsize */ TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ reloc_nil, /* special_function */ "SREL64", /* name */ TRUE, /* partial_inplace */ MINUS_ONE, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ /* Push a value on the reloc evaluation stack. */ HOWTO (ALPHA_R_OP_PUSH, /* type */ 0, /* rightshift */ 0, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ reloc_nil, /* special_function */ "OP_PUSH", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ FALSE), /* pcrel_offset */ /* Store the value from the stack at the given address. Store it in a bitfield of size r_size starting at bit position r_offset. */ HOWTO (ALPHA_R_OP_STORE, /* type */ 0, /* rightshift */ 4, /* size (0 = byte, 1 = short, 2 = long) */ 64, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ reloc_nil, /* special_function */ "OP_STORE", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ /* Subtract the reloc address from the value on the top of the relocation stack. */ HOWTO (ALPHA_R_OP_PSUB, /* type */ 0, /* rightshift */ 0, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ reloc_nil, /* special_function */ "OP_PSUB", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ FALSE), /* pcrel_offset */ /* Shift the value on the top of the relocation stack right by the given value. */ HOWTO (ALPHA_R_OP_PRSHIFT, /* type */ 0, /* rightshift */ 0, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ reloc_nil, /* special_function */ "OP_PRSHIFT", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ FALSE), /* pcrel_offset */ /* Hack. Linkage is done by linker. */ HOWTO (ALPHA_R_LINKAGE, /* type */ 0, /* rightshift */ 8, /* size (0 = byte, 1 = short, 2 = long) */ 256, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ reloc_nil, /* special_function */ "LINKAGE", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ FALSE), /* pcrel_offset */ /* A 32 bit reference to a symbol. */ HOWTO (ALPHA_R_REFLONG, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ reloc_nil, /* special_function */ "REFLONG", /* name */ TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ FALSE), /* pcrel_offset */ /* A 64 bit reference to a procedure, written as 32 bit value. */ HOWTO (ALPHA_R_CODEADDR, /* type */ 0, /* rightshift */ 4, /* size (0 = byte, 1 = short, 2 = long) */ 64, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed,/* complain_on_overflow */ reloc_nil, /* special_function */ "CODEADDR", /* name */ FALSE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ FALSE), /* pcrel_offset */ }; /* Return a pointer to a howto structure which, when invoked, will perform the relocation code on data from the architecture noted. */ static const struct reloc_howto_struct * vms_bfd_reloc_type_lookup (abfd, code) bfd *abfd ATTRIBUTE_UNUSED; bfd_reloc_code_real_type code; { int alpha_type; #if VMS_DEBUG vms_debug (1, "vms_bfd_reloc_type_lookup(%p, %d)\t", abfd, code); #endif switch (code) { case BFD_RELOC_16: alpha_type = ALPHA_R_SREL16; break; case BFD_RELOC_32: alpha_type = ALPHA_R_REFLONG; break; case BFD_RELOC_64: alpha_type = ALPHA_R_REFQUAD; break; case BFD_RELOC_CTOR: alpha_type = ALPHA_R_REFQUAD; break; case BFD_RELOC_23_PCREL_S2: alpha_type = ALPHA_R_BRADDR; break; case BFD_RELOC_ALPHA_HINT: alpha_type = ALPHA_R_HINT; break; case BFD_RELOC_16_PCREL: alpha_type = ALPHA_R_SREL16; break; case BFD_RELOC_32_PCREL: alpha_type = ALPHA_R_SREL32; break; case BFD_RELOC_64_PCREL: alpha_type = ALPHA_R_SREL64; break; case BFD_RELOC_ALPHA_LINKAGE: alpha_type = ALPHA_R_LINKAGE; break; case BFD_RELOC_ALPHA_CODEADDR: alpha_type = ALPHA_R_CODEADDR; break; default: (*_bfd_error_handler) ("reloc (%d) is *UNKNOWN*", code); return (const struct reloc_howto_struct *) NULL; } #if VMS_DEBUG vms_debug (2, "reloc is %s\n", alpha_howto_table[alpha_type].name); #endif return &alpha_howto_table[alpha_type]; } /*-- Part 4.7, writing an object file ---------------------------------------*/ /* Set the architecture and machine type in BFD abfd to arch and mach. Find the correct pointer to a structure and insert it into the arch_info pointer. */ static bfd_boolean vms_set_arch_mach (abfd, arch, mach) bfd *abfd; enum bfd_architecture arch ATTRIBUTE_UNUSED; unsigned long mach ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_set_arch_mach(%p, %d, %ld)\n", abfd, arch, mach); #endif abfd->arch_info = bfd_scan_arch("alpha"); return TRUE; } /* Sets the contents of the section section in BFD abfd to the data starting in memory at data. The data is written to the output section starting at offset offset for count bytes. Normally TRUE is returned, else FALSE. Possible error returns are: o bfd_error_no_contents - The output section does not have the SEC_HAS_CONTENTS attribute, so nothing can be written to it. o and some more too */ static bfd_boolean vms_set_section_contents (abfd, section, location, offset, count) bfd *abfd; asection *section; PTR location; file_ptr offset; bfd_size_type count; { #if VMS_DEBUG vms_debug (1, "vms_set_section_contents(%p, sec %s, loc %p, off %ld, count %d)\n", abfd, section->name, location, (long int)offset, (int)count); vms_debug (2, "secraw %d, seccooked %d\n", (int)section->_raw_size, (int)section->_cooked_size); #endif return _bfd_save_vms_section(abfd, section, location, offset, count); } /*-- Part 4.8, linker -------------------------------------------------------*/ /* Get the size of the section headers. */ static int vms_sizeof_headers (abfd, reloc) bfd *abfd ATTRIBUTE_UNUSED; bfd_boolean reloc ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_sizeof_headers(%p, %s)\n", abfd, (reloc)?"True":"False"); #endif return 0; } /* Provides default handling of relocation effort for back ends which can't be bothered to do it efficiently. */ static bfd_byte * vms_bfd_get_relocated_section_contents (abfd, link_info, link_order, data, relocatable, symbols) bfd *abfd ATTRIBUTE_UNUSED; struct bfd_link_info *link_info ATTRIBUTE_UNUSED; struct bfd_link_order *link_order ATTRIBUTE_UNUSED; bfd_byte *data ATTRIBUTE_UNUSED; bfd_boolean relocatable ATTRIBUTE_UNUSED; asymbol **symbols ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_get_relocated_section_contents(%p, %p, %p, %p, %s, %p)\n", abfd, link_info, link_order, data, (relocatable)?"True":"False", symbols); #endif return 0; } /* ??? */ static bfd_boolean vms_bfd_relax_section (abfd, section, link_info, again) bfd *abfd ATTRIBUTE_UNUSED; asection *section ATTRIBUTE_UNUSED; struct bfd_link_info *link_info ATTRIBUTE_UNUSED; bfd_boolean *again ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_relax_section(%p, %s, %p, <ret>)\n", abfd, section->name, link_info); #endif return TRUE; } static bfd_boolean vms_bfd_gc_sections (abfd, link_info) bfd *abfd ATTRIBUTE_UNUSED; struct bfd_link_info *link_info ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_gc_sections(%p, %p)\n", abfd, link_info); #endif return TRUE; } static bfd_boolean vms_bfd_merge_sections (abfd, link_info) bfd *abfd ATTRIBUTE_UNUSED; struct bfd_link_info *link_info ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_merge_sections(%p, %p)\n", abfd, link_info); #endif return TRUE; } /* Create a hash table for the linker. Different backends store different information in this table. */ static struct bfd_link_hash_table * vms_bfd_link_hash_table_create (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_link_hash_table_create(%p)\n", abfd); #endif return 0; } /* Free a linker hash table. */ static void vms_bfd_link_hash_table_free (hash) struct bfd_link_hash_table *hash ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_link_hash_table_free(%p)\n", abfd); #endif } /* Add symbols from this object file into the hash table. */ static bfd_boolean vms_bfd_link_add_symbols (abfd, link_info) bfd *abfd ATTRIBUTE_UNUSED; struct bfd_link_info *link_info ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_link_add_symbols(%p, %p)\n", abfd, link_info); #endif return FALSE; } /* Do a link based on the link_order structures attached to each section of the BFD. */ static bfd_boolean vms_bfd_final_link (abfd, link_info) bfd *abfd ATTRIBUTE_UNUSED; struct bfd_link_info *link_info ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_final_link(%p, %p)\n", abfd, link_info); #endif return TRUE; } /* Should this section be split up into smaller pieces during linking. */ static bfd_boolean vms_bfd_link_split_section (abfd, section) bfd *abfd ATTRIBUTE_UNUSED; asection *section ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_link_split_section(%p, %s)\n", abfd, section->name); #endif return FALSE; } /*-- Part 4.9, dynamic symbols and relocations ------------------------------*/ /* Get the amount of memory required to hold the dynamic symbols. */ static long vms_get_dynamic_symtab_upper_bound (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_get_dynamic_symtab_upper_bound(%p)\n", abfd); #endif return 0; } static bfd_boolean vms_bfd_print_private_bfd_data (abfd, file) bfd *abfd ATTRIBUTE_UNUSED; void *file ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_bfd_print_private_bfd_data(%p)\n", abfd); #endif return 0; } /* Read in the dynamic symbols. */ static long vms_canonicalize_dynamic_symtab (abfd, symbols) bfd *abfd ATTRIBUTE_UNUSED; asymbol **symbols ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_canonicalize_dynamic_symtab(%p, <ret>)\n", abfd); #endif return 0L; } /* Get the amount of memory required to hold the dynamic relocs. */ static long vms_get_dynamic_reloc_upper_bound (abfd) bfd *abfd ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_get_dynamic_reloc_upper_bound(%p)\n", abfd); #endif return 0L; } /* Read in the dynamic relocs. */ static long vms_canonicalize_dynamic_reloc (abfd, arel, symbols) bfd *abfd ATTRIBUTE_UNUSED; arelent **arel ATTRIBUTE_UNUSED; asymbol **symbols ATTRIBUTE_UNUSED; { #if VMS_DEBUG vms_debug (1, "vms_canonicalize_dynamic_reloc(%p)\n", abfd); #endif return 0L; }