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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commitaa2289c2a3faf0f198e47943dcb29e0c16223be8 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /bfd/vms.c
downloadbinutils-redhat-aa2289c2a3faf0f198e47943dcb29e0c16223be8.tar.gz
Initial revision
Diffstat (limited to 'bfd/vms.c')
-rw-r--r--bfd/vms.c1947
1 files changed, 1947 insertions, 0 deletions
diff --git a/bfd/vms.c b/bfd/vms.c
new file mode 100644
index 0000000000..a5fc13ad94
--- /dev/null
+++ b/bfd/vms.c
@@ -0,0 +1,1947 @@
+/* vms.c -- BFD back-end for VAX (openVMS/VAX) and
+ EVAX (openVMS/Alpha) files.
+ Copyright 1996, 1997, 1998 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 boolean vms_initialize PARAMS ((bfd *));
+static int priv_section_count;
+static boolean fill_section_ptr PARAMS ((struct bfd_hash_entry *, PTR));
+static boolean vms_fixup_sections PARAMS ((bfd *));
+static 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 boolean vms_mkobject PARAMS ((bfd *abfd));
+static boolean vms_write_object_contents PARAMS ((bfd *abfd));
+static boolean vms_close_and_cleanup PARAMS ((bfd *abfd));
+static boolean vms_bfd_free_cached_info PARAMS ((bfd *abfd));
+static boolean vms_new_section_hook PARAMS ((bfd *abfd, asection *section));
+static boolean vms_get_section_contents
+ PARAMS ((bfd *abfd, asection *section, PTR x1, file_ptr x2,
+ bfd_size_type x3));
+static boolean vms_get_section_contents_in_window
+ PARAMS ((bfd *abfd, asection *section, bfd_window *w, file_ptr offset,
+ bfd_size_type count));
+static boolean vms_bfd_copy_private_bfd_data PARAMS ((bfd *src, bfd *dest));
+static boolean vms_bfd_copy_private_section_data
+ PARAMS ((bfd *srcbfd, asection *srcsec, bfd *dstbfd, asection *dstsec));
+static boolean vms_bfd_copy_private_symbol_data
+ PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym));
+static 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 boolean vms_core_file_matches_executable_p
+ PARAMS ((bfd *abfd, bfd *bbfd));
+static boolean vms_slurp_armap PARAMS ((bfd *abfd));
+static boolean vms_slurp_extended_name_table PARAMS ((bfd *abfd));
+static 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 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 boolean vms_update_armap_timestamp PARAMS ((bfd *abfd));
+static int vms_generic_stat_arch_elt PARAMS ((bfd *abfd, struct stat *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 boolean vms_bfd_is_local_label_name PARAMS ((bfd *abfd, const char *));
+static alent *vms_get_lineno PARAMS ((bfd *abfd, asymbol *symbol));
+static 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, boolean dynamic, PTR *minisymsp, unsigned int *sizep));
+static asymbol *vms_minisymbol_to_symbol
+ PARAMS ((bfd *abfd, 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 boolean vms_set_arch_mach
+ PARAMS ((bfd *abfd, enum bfd_architecture arch, unsigned long mach));
+static 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, 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,
+ boolean relocateable, asymbol **symbols));
+static boolean vms_bfd_relax_section
+ PARAMS ((bfd *abfd, asection *section, struct bfd_link_info *link_info,
+ boolean *again));
+static boolean vms_bfd_gc_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 boolean vms_bfd_link_add_symbols
+ PARAMS ((bfd *abfd, struct bfd_link_info *link_info));
+static boolean vms_bfd_final_link
+ PARAMS ((bfd *abfd, struct bfd_link_info *link_info));
+static 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 boolean vms_bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
+static boolean vms_bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags));
+
+#define vms_make_empty_symbol _bfd_vms_make_empty_symbol
+
+/*===========================================================================*/
+
+const bfd_target vms_alpha_vec =
+{
+
+ "vms-alpha", /* name */
+ bfd_target_evax_flavour,
+ false, /* data byte order is little */
+ false, /* 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),
+
+ (PTR) 0
+};
+
+const bfd_target vms_vax_vec =
+{
+
+ "vms-vax", /* name */
+ bfd_target_ovax_flavour,
+ false, /* data byte order is little */
+ false, /* 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),
+
+ (PTR) 0
+};
+
+/*===========================================================================*/
+
+/* Initialize private data */
+
+static boolean
+vms_initialize (abfd)
+ bfd *abfd;
+{
+ int i;
+
+ if (abfd->tdata.any != 0)
+ return true;
+
+ bfd_set_start_address (abfd, (bfd_vma)-1);
+
+ abfd->tdata.any = ((struct vms_private_data_struct*)
+ bfd_malloc (sizeof (struct vms_private_data_struct)));
+ 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;
+
+ PRIV(stack) = ((struct stack_struct *)
+ bfd_malloc (sizeof (struct stack_struct) * STACKSIZE));
+ if (PRIV(stack) == 0)
+ {
+ vms_init_no_mem1:
+ free (abfd->tdata.any);
+ abfd->tdata.any = 0;
+ return false;
+ }
+ PRIV(stackptr) = 0;
+
+ PRIV(vms_symbol_table) = ((struct bfd_hash_table *)
+ bfd_malloc (sizeof (struct bfd_hash_table)));
+ if (PRIV(vms_symbol_table) == 0)
+ {
+ vms_init_no_mem2:
+ free (PRIV(stack));
+ PRIV(stack) = 0;
+ goto vms_init_no_mem1;
+ }
+
+ if (!bfd_hash_table_init (PRIV(vms_symbol_table), _bfd_vms_hash_newfunc))
+ return false;
+
+ PRIV(location_stack) = ((struct location_struct *)
+ bfd_malloc (sizeof (struct location_struct)
+ * LOCATION_SAVE_SIZE));
+ if (PRIV(location_stack) == 0)
+ {
+ vms_init_no_mem3:
+ free (PRIV(vms_symbol_table));
+ PRIV(vms_symbol_table) = 0;
+ goto vms_init_no_mem2;
+ }
+
+ for (i = 0; i < VMS_SECTION_COUNT; i++)
+ PRIV(vms_section_table)[i] = NULL;
+
+ PRIV(output_buf) = (unsigned char *) malloc (MAX_OUTREC_SIZE);
+ if (PRIV(output_buf) == 0)
+ {
+ free (PRIV(location_stack));
+ PRIV(location_stack) = 0;
+ goto vms_init_no_mem3;
+ }
+ PRIV(push_level) = 0;
+ PRIV(pushed_size) = 0;
+ PRIV(length_pos) = 2;
+ PRIV(output_size) = 0;
+ PRIV(output_alignment) = 1;
+
+ return true;
+}
+
+
+/* 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 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 ((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 boolean
+vms_fixup_sections (abfd)
+ bfd *abfd;
+{
+ asection *s;
+
+ 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;
+
+#if VMS_DEBUG
+ vms_debug (1, "vms_object_p(%p)\n", abfd);
+#endif
+
+ if (!vms_initialize (abfd))
+ {
+ fprintf (stderr, "vms_initialize () failed !!\n");
+ return 0;
+ }
+
+ if (bfd_seek (abfd, 0L, SEEK_SET))
+ {
+ bfd_set_error (bfd_error_file_truncated);
+ return 0;
+ }
+
+ 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
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+
+ if ((prev_type == EOBJ_S_C_EGSD)
+ && (PRIV(rec_type) != EOBJ_S_C_EGSD))
+ {
+ if (vms_fixup_sections (abfd) == false)
+ {
+#if VMS_DEBUG
+ vms_debug (2, "vms_fixup_sections failed\n");
+#endif
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+ }
+
+ 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
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+ }
+ 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) == false)
+ {
+#if VMS_DEBUG
+ vms_debug (2, "vms_fixup_sections failed\n");
+#endif
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+
+ /* 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
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
+ abfd->arch_info = arch;
+
+ return target_vector;
+}
+
+
+/* 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;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_archive_p(%p)\n", abfd);
+#endif
+
+ return 0;
+}
+
+
+/* Set the format of a file being written. */
+
+static boolean
+vms_mkobject (abfd)
+ bfd *abfd;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_mkobject(%p)\n", abfd);
+#endif
+
+ if (!vms_initialize (abfd))
+ {
+ fprintf (stderr, "vms_initialize () failed !!\n");
+ 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 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 boolean
+vms_close_and_cleanup (abfd)
+ bfd *abfd;
+{
+ asection *sec;
+ vms_section *es, *es1;
+ vms_reloc *er, *er1;
+ int i;
+
+#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));
+ PRIV(vms_buf) = NULL;
+ }
+ PRIV(buf_size) = 0;
+
+ if (PRIV(output_buf) != 0)
+ {
+ free (PRIV(output_buf));
+ PRIV(output_buf) = 0;
+ }
+
+ sec = abfd->sections;
+ while (sec != NULL)
+ {
+ if (sec->contents)
+ free (sec->contents);
+ sec = sec->next;
+ }
+
+ if (PRIV(sections) != NULL)
+ {
+ free (PRIV(sections));
+ PRIV(sections) = NULL;
+ }
+
+ if (PRIV(vms_symbol_table))
+ {
+ bfd_hash_table_free (PRIV(vms_symbol_table));
+ PRIV(vms_symbol_table) = 0;
+ }
+
+ if (PRIV(stack))
+ {
+ free (PRIV(stack));
+ PRIV(stack) = 0;
+ }
+
+ if (PRIV(location_stack))
+ {
+ free (PRIV(location_stack));
+ PRIV(location_stack) = 0;
+ }
+
+ for (i = 0; i < VMS_SECTION_COUNT; i++)
+ {
+ es = PRIV(vms_section_table)[i];
+ while (es != NULL)
+ {
+ es1 = es->next;
+ free (es);
+ es = es1;
+ }
+ PRIV(vms_section_table)[i] = NULL;
+ }
+
+ free (abfd->tdata.any);
+ abfd->tdata.any = NULL;
+
+ return true;
+}
+
+
+/* Ask the BFD to free all cached information. */
+static boolean
+vms_bfd_free_cached_info (abfd)
+ bfd *abfd;
+{
+#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 boolean
+vms_new_section_hook (abfd, section)
+ bfd *abfd;
+ asection *section;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_new_section_hook (%p, [%d]%s), count %d\n", abfd, section->index, section->name, abfd->section_count);
+#endif
+ bfd_set_section_alignment(abfd, section, 4);
+
+ if (abfd->section_count > PRIV(section_count))
+ {
+ PRIV(sections) = ((asection **)
+ bfd_realloc (PRIV(sections), abfd->section_count * sizeof (asection *)));
+ if (PRIV(sections) == 0)
+ return false;
+ PRIV(section_count) = abfd->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 boolean
+vms_get_section_contents (abfd, section, buf, offset, buf_size)
+ bfd *abfd;
+ asection *section;
+ PTR buf;
+ file_ptr offset;
+ bfd_size_type buf_size;
+{
+#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 boolean
+vms_get_section_contents_in_window (abfd, section, w, offset, count)
+ bfd *abfd;
+ asection *section;
+ bfd_window *w;
+ file_ptr offset;
+ bfd_size_type count;
+{
+#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 boolean
+vms_bfd_copy_private_bfd_data (src, dest)
+ bfd *src;
+ bfd *dest;
+{
+#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 boolean
+vms_bfd_merge_private_bfd_data (ibfd, obfd)
+ bfd *ibfd;
+ bfd *obfd;
+{
+#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 boolean
+vms_bfd_set_private_flags (abfd, flags)
+ bfd *abfd;
+ flagword flags;
+{
+#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 boolean
+vms_bfd_copy_private_section_data (srcbfd, srcsec, dstbfd, dstsec)
+ bfd *srcbfd;
+ asection *srcsec;
+ bfd *dstbfd;
+ asection *dstsec;
+{
+#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 boolean
+vms_bfd_copy_private_symbol_data (ibfd, isym, obfd, osym)
+ bfd *ibfd;
+ asymbol *isym;
+ bfd *obfd;
+ asymbol *osym;
+{
+#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;
+{
+#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;
+{
+#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 boolean
+vms_core_file_matches_executable_p (abfd, bbfd)
+ bfd *abfd;
+ bfd *bbfd;
+{
+#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 boolean
+vms_slurp_armap (abfd)
+ bfd *abfd;
+{
+#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 boolean
+vms_slurp_extended_name_table (abfd)
+ bfd *abfd;
+{
+#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 boolean
+vms_construct_extended_name_table (abfd, tabloc, tablen, name)
+ bfd *abfd;
+ char **tabloc;
+ bfd_size_type *tablen;
+ const char **name;
+{
+#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;
+ CONST char *pathname;
+ char *arhdr;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_truncate_arname(%p, %s, %s)\n", abfd, pathname, arhdr);
+#endif
+ return;
+}
+
+
+/* ??? write archive map */
+
+static boolean
+vms_write_armap (arch, elength, map, orl_count, stridx)
+ bfd *arch;
+ unsigned int elength;
+ struct orl *map;
+ unsigned int orl_count;
+ int stridx;
+{
+#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;
+{
+#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;
+ bfd *prev;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_openr_next_archived_file(%p, %p)\n", arch, prev);
+#endif
+ return false;
+}
+
+
+/* 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, stat)
+ bfd *abfd;
+ struct stat *stat;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_generic_stat_arch_elt(%p, %p)\n", abfd, stat);
+#endif
+ return bfd_generic_stat_arch_elt(abfd, stat);
+}
+
+
+/* This is a new function in bfd 2.5 */
+
+static boolean
+vms_update_armap_timestamp (abfd)
+ bfd *abfd;
+{
+#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 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);
+}
+
+
+/* Create a new asymbol structure for the BFD abfd and return a pointer
+ to it.
+ This routine is necessary because each back end has private information
+ surrounding the asymbol. Building your own asymbol and pointing to it
+ will not create the private information, and will cause problems later on. */
+
+asymbol *
+_bfd_vms_make_empty_symbol (abfd)
+ bfd *abfd;
+{
+ asymbol *symbol = (asymbol *)bfd_zalloc(abfd, sizeof(asymbol));
+
+#if VMS_DEBUG
+ vms_debug (1, "_bfd_vms_make_empty_symbol(%p)\n", abfd);
+#endif
+
+ if (symbol == 0)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return 0;
+ }
+ symbol->the_bfd = abfd;
+
+ return symbol;
+}
+
+
+/* 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;
+
+ break;
+
+ case bfd_print_symbol_all:
+ {
+ CONST char *section_name = symbol->section->name;
+
+ bfd_print_symbol_vandf((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;
+ 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 boolean
+vms_bfd_is_local_label_name (abfd, name)
+ bfd *abfd;
+ 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;
+ asymbol *symbol;
+{
+#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 boolean
+vms_find_nearest_line (abfd, section, symbols, offset, file, func, line)
+ bfd *abfd;
+ asection *section;
+ asymbol **symbols;
+ bfd_vma offset;
+ CONST char **file;
+ CONST char **func;
+ unsigned int *line;
+{
+#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;
+ void *ptr;
+ unsigned long size;
+{
+#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;
+ 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;
+ 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;
+ asection *section;
+{
+#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;
+ asection *section;
+ arelent **location;
+ asymbol **symbols;
+{
+#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;
+ arelent *reloc;
+ asymbol *sym;
+ PTR data;
+ asection *sec;
+ bfd *output_bfd;
+ char **error_message;
+{
+#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;
+ 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 boolean
+vms_set_arch_mach (abfd, arch, mach)
+ bfd *abfd;
+ enum bfd_architecture arch;
+ unsigned long mach;
+{
+#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 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;
+ boolean reloc;
+{
+#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,
+ relocateable, symbols)
+ bfd *abfd;
+ struct bfd_link_info *link_info;
+ struct bfd_link_order *link_order;
+ bfd_byte *data;
+ boolean relocateable;
+ asymbol **symbols;
+{
+#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, (relocateable)?"True":"False", symbols);
+#endif
+ return 0;
+}
+
+
+/* ??? */
+
+static boolean
+vms_bfd_relax_section (abfd, section, link_info, again)
+ bfd *abfd;
+ asection *section;
+ struct bfd_link_info *link_info;
+ boolean *again;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_bfd_relax_section(%p, %s, %p, <ret>)\n",
+ abfd, section->name, link_info);
+#endif
+ return true;
+}
+
+static boolean
+vms_bfd_gc_sections (abfd, link_info)
+ bfd *abfd;
+ struct bfd_link_info *link_info;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_bfd_gc_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;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_bfd_link_hash_table_create(%p)\n", abfd);
+#endif
+ return 0;
+}
+
+
+/* Add symbols from this object file into the hash table. */
+
+static boolean
+vms_bfd_link_add_symbols (abfd, link_info)
+ bfd *abfd;
+ struct bfd_link_info *link_info;
+{
+#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 boolean
+vms_bfd_final_link (abfd, link_info)
+ bfd *abfd;
+ struct bfd_link_info *link_info;
+{
+#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 boolean
+vms_bfd_link_split_section (abfd, section)
+ bfd *abfd;
+ asection *section;
+{
+#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;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_get_dynamic_symtab_upper_bound(%p)\n", abfd);
+#endif
+ return 0;
+}
+
+static boolean
+vms_bfd_print_private_bfd_data (abfd, file)
+ bfd *abfd;
+ void *file;
+{
+#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;
+ asymbol **symbols;
+{
+#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;
+{
+#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;
+ arelent **arel;
+ asymbol **symbols;
+{
+#if VMS_DEBUG
+ vms_debug (1, "vms_canonicalize_dynamic_reloc(%p)\n", abfd);
+#endif
+ return 0L;
+}