[PATCH] BFD support for elf32-vax
Jason R Thorpe
thorpej@wasabisystems.com
Wed May 29 19:13:00 GMT 2002
This is the BFD support for Matt Thomas's elf32-vax target.
Committed to mainline.
2002-05-29 Matt Thomas <matt@3am-software.com>
* Makefile.am (BFD32_BACKENDS): Add elf32-vax.lo.
(BFD32_BACKENDS_CFILES): Add elf32-vax.c.
(elf32-vax.lo): New rule.
* Makefile.in: Regenerate.
* configure.in (bfd_elf32_vax_vec)
(vaxnetbsd_vec): New vectors.
* configure: Regenerate.
* config.bfd (vax-*-netbsdelf*)
(vax-*-netbsdaout*)
(vax-*-netbsd*): New targets.
* elf32-vax.c: New file.
* reloc.c: Add VAX relocations.
* bfd-in2.h: Regenerate.
* targets.c (_bfd_target_vector): Add bfd_elf32_vax_vec.
--
-- Jason R. Thorpe <thorpej@wasabisystems.com>
-------------- next part --------------
Index: Makefile.am
===================================================================
RCS file: /cvs/src/src/bfd/Makefile.am,v
retrieving revision 1.84
diff -u -r1.84 Makefile.am
--- Makefile.am 28 May 2002 14:05:08 -0000 1.84
+++ Makefile.am 30 May 2002 01:56:14 -0000
@@ -231,6 +231,7 @@
elf32-sh-nbsd.lo \
elf32-sparc.lo \
elf32-v850.lo \
+ elf32-vax.lo \
elf32-xstormy16.lo \
elf32.lo \
elflink.lo \
@@ -380,6 +381,7 @@
elf32-sh-nbsd.c \
elf32-sparc.c \
elf32-v850.c \
+ elf32-vax.c \
elf32-xstormy16.c \
elf32.c \
elflink.c \
@@ -1209,6 +1211,10 @@
elf32-v850.lo: elf32-v850.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
$(INCDIR)/elf/external.h $(INCDIR)/elf/v850.h $(INCDIR)/elf/reloc-macros.h \
+ $(INCDIR)/libiberty.h elf32-target.h
+elf32-vax.lo: elf32-vax.c $(INCDIR)/filenames.h $(INCDIR)/bfdlink.h \
+ elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
+ $(INCDIR)/elf/external.h $(INCDIR)/elf/vax.h $(INCDIR)/elf/reloc-macros.h \
$(INCDIR)/libiberty.h elf32-target.h
elf32-xstormy16.lo: elf32-xstormy16.c $(INCDIR)/filenames.h \
elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
Index: config.bfd
===================================================================
RCS file: /cvs/src/src/bfd/config.bfd,v
retrieving revision 1.95
diff -u -r1.95 config.bfd
--- config.bfd 29 May 2002 21:10:18 -0000 1.95
+++ config.bfd 30 May 2002 01:56:21 -0000
@@ -1061,6 +1061,17 @@
;;
#endif
+ vax-*-netbsdelf*)
+ targ_defvec=bfd_elf32_vax_vec
+ targ_selvecs=vaxnetbsd_vec
+ ;;
+
+ vax-*-netbsdaout* | vax-*-netbsd*)
+ targ_defvec=vaxnetbsd_vec
+ targ_selvecs=bfd_elf32_vax_vec
+ targ_underscore=yes
+ ;;
+
vax*-*-*vms*)
targ_defvec=vms_vax_vec
;;
Index: configure.in
===================================================================
RCS file: /cvs/src/src/bfd/configure.in,v
retrieving revision 1.96
diff -u -r1.96 configure.in
--- configure.in 28 May 2002 14:05:17 -0000 1.96
+++ configure.in 30 May 2002 01:56:27 -0000
@@ -617,6 +617,7 @@
bfd_elf32_tradlittlemips_vec) tb="$tb elf32-mips.lo elfxx-mips.lo elf32.lo $elf ecofflink.lo" ;;
bfd_elf32_us_cris_vec) tb="$tb elf32-cris.lo elf32.lo $elf" ;;
bfd_elf32_v850_vec) tb="$tb elf32-v850.lo elf32.lo $elf" ;;
+ bfd_elf32_vax_vec) tb="$tb elf32-vax.lo elf32.lo $elf" ;;
bfd_elf32_xstormy16_vec) tb="$tb elf32-xstormy16.lo elf32.lo $elf" ;;
bfd_elf64_alpha_vec) tb="$tb elf64-alpha.lo elf64.lo $elf"; target_size=64 ;;
bfd_elf64_big_generic_vec) tb="$tb elf64-gen.lo elf64.lo $elf"; target_size=64 ;;
@@ -733,6 +734,7 @@
tic54x_coff2_beh_vec) tb="$tb coff-tic54x.lo" ;;
tic54x_coff2_vec) tb="$tb coff-tic54x.lo" ;;
tic80coff_vec) tb="$tb coff-tic80.lo cofflink.lo" ;;
+ vaxnetbsd_vec) tb="$tb vaxnetbsd.lo aout32.lo" ;;
versados_vec) tb="$tb versados.lo" ;;
vms_alpha_vec) tb="$tb vms.lo vms-hdr.lo vms-gsd.lo vms-tir.lo vms-misc.lo"; target_size=64 ;;
vms_vax_vec) tb="$tb vms.lo vms-hdr.lo vms-gsd.lo vms-tir.lo vms-misc.lo" ;;
Index: elf32-vax.c
===================================================================
RCS file: elf32-vax.c
diff -N elf32-vax.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ elf32-vax.c 30 May 2002 01:56:29 -0000
@@ -0,0 +1,2220 @@
+/* VAX series support for 32-bit ELF
+ Copyright 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
+ Contributed by Matt Thomas <matt@3am-software.com>.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+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 "elf-bfd.h"
+#include "elf/vax.h"
+
+static reloc_howto_type *reloc_type_lookup
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
+static void rtype_to_howto
+ PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
+static struct bfd_hash_entry *elf_vax_link_hash_newfunc
+ PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
+static struct bfd_link_hash_table *elf_vax_link_hash_table_create
+ PARAMS ((bfd *));
+static boolean elf_vax_check_relocs
+ PARAMS ((bfd *, struct bfd_link_info *, asection *,
+ const Elf_Internal_Rela *));
+static asection *elf_vax_gc_mark_hook
+ PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *,
+ struct elf_link_hash_entry *, Elf_Internal_Sym *));
+static boolean elf_vax_gc_sweep_hook
+ PARAMS ((bfd *, struct bfd_link_info *, asection *,
+ const Elf_Internal_Rela *));
+static boolean elf_vax_adjust_dynamic_symbol
+ PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
+static boolean elf_vax_size_dynamic_sections
+ PARAMS ((bfd *, struct bfd_link_info *));
+static boolean elf_vax_relocate_section
+ PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
+ Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+static boolean elf_vax_finish_dynamic_symbol
+ PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
+ Elf_Internal_Sym *));
+static boolean elf_vax_finish_dynamic_sections
+ PARAMS ((bfd *, struct bfd_link_info *));
+
+static boolean elf32_vax_set_private_flags
+ PARAMS ((bfd *, flagword));
+static boolean elf32_vax_merge_private_bfd_data
+ PARAMS ((bfd *, bfd *));
+static boolean elf32_vax_print_private_bfd_data
+ PARAMS ((bfd *, PTR));
+
+static reloc_howto_type howto_table[] = {
+ HOWTO (R_VAX_NONE, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_NONE", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x00000000, /* dst_mask */
+ false), /* pcrel_offset */
+
+ HOWTO (R_VAX_32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_32", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ HOWTO (R_VAX_16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ HOWTO (R_VAX_8, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_8", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x000000ff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ HOWTO (R_VAX_PC32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_PC32", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ HOWTO (R_VAX_PC16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_PC16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ HOWTO (R_VAX_PC8, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_PC8", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x000000ff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ HOWTO (R_VAX_GOT32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_GOT32", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+
+ HOWTO (R_VAX_PLT32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_PLT32", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+
+ HOWTO (R_VAX_COPY, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_COPY", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ HOWTO (R_VAX_GLOB_DAT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_GLOB_DAT", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ HOWTO (R_VAX_JMP_SLOT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_JMP_SLOT", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ HOWTO (R_VAX_RELATIVE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_VAX_RELATIVE", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable hierarchy */
+ HOWTO (R_VAX_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_VAX_GNU_VTINHERIT", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable member usage */
+ HOWTO (R_VAX_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_elf_rel_vtable_reloc_fn, /* special_function */
+ "R_VAX_GNU_VTENTRY", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
+};
+
+static void
+rtype_to_howto (abfd, cache_ptr, dst)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *cache_ptr;
+ Elf_Internal_Rela *dst;
+{
+ BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_VAX_max);
+ cache_ptr->howto = &howto_table[ELF32_R_TYPE(dst->r_info)];
+}
+
+#define elf_info_to_howto rtype_to_howto
+
+static const struct
+{
+ bfd_reloc_code_real_type bfd_val;
+ int elf_val;
+} reloc_map[] = {
+ { BFD_RELOC_NONE, R_VAX_NONE },
+ { BFD_RELOC_32, R_VAX_32 },
+ { BFD_RELOC_16, R_VAX_16 },
+ { BFD_RELOC_8, R_VAX_8 },
+ { BFD_RELOC_32_PCREL, R_VAX_PC32 },
+ { BFD_RELOC_16_PCREL, R_VAX_PC16 },
+ { BFD_RELOC_8_PCREL, R_VAX_PC8 },
+ { BFD_RELOC_32_GOT_PCREL, R_VAX_GOT32 },
+ { BFD_RELOC_32_PLT_PCREL, R_VAX_PLT32 },
+ { BFD_RELOC_NONE, R_VAX_COPY },
+ { BFD_RELOC_VAX_GLOB_DAT, R_VAX_GLOB_DAT },
+ { BFD_RELOC_VAX_JMP_SLOT, R_VAX_JMP_SLOT },
+ { BFD_RELOC_VAX_RELATIVE, R_VAX_RELATIVE },
+ { BFD_RELOC_CTOR, R_VAX_32 },
+ { BFD_RELOC_VTABLE_INHERIT, R_VAX_GNU_VTINHERIT },
+ { BFD_RELOC_VTABLE_ENTRY, R_VAX_GNU_VTENTRY },
+};
+
+static reloc_howto_type *
+reloc_type_lookup (abfd, code)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ bfd_reloc_code_real_type code;
+{
+ unsigned int i;
+ for (i = 0; i < sizeof (reloc_map) / sizeof (reloc_map[0]); i++)
+ {
+ if (reloc_map[i].bfd_val == code)
+ return &howto_table[reloc_map[i].elf_val];
+ }
+ return 0;
+}
+
+#define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup
+#define ELF_ARCH bfd_arch_vax
+/* end code generated by elf.el */
+
+#define USE_RELA
+
+/* Functions for the VAX ELF linker. */
+
+/* The name of the dynamic interpreter. This is put in the .interp
+ section. */
+
+#define ELF_DYNAMIC_INTERPRETER "/usr/libexec/ld.elf_so"
+
+/* The size in bytes of an entry in the procedure linkage table. */
+
+#define PLT_ENTRY_SIZE 12
+
+/* The first entry in a procedure linkage table looks like this. See
+ the SVR4 ABI VAX supplement to see how this works. */
+
+static const bfd_byte elf_vax_plt0_entry[PLT_ENTRY_SIZE] =
+{
+ 0xdd, 0xef, /* pushl l^ */
+ 0, 0, 0, 0, /* offset to .plt.got + 4 */
+ 0x17, 0xff, /* jmp @L^(pc) */
+ 0, 0, 0, 0, /* offset to .plt.got + 8 */
+};
+
+/* Subsequent entries in a procedure linkage table look like this. */
+
+static const bfd_byte elf_vax_plt_entry[PLT_ENTRY_SIZE] =
+{
+ 0x40, 0x00, /* .word ^M<r6> */
+ 0x16, 0xef, /* jsb L^(pc) */
+ 0, 0, 0, 0, /* replaced with offset to start of .plt */
+ 0, 0, 0, 0, /* index into .rela.plt */
+};
+
+/* The VAX linker needs to keep track of the number of relocs that it
+ decides to copy in check_relocs for each symbol. This is so that it
+ can discard PC relative relocs if it doesn't need them when linking
+ with -Bsymbolic. We store the information in a field extending the
+ regular ELF linker hash table. */
+
+/* This structure keeps track of the number of PC relative relocs we have
+ copied for a given symbol. */
+
+struct elf_vax_pcrel_relocs_copied
+{
+ /* Next section. */
+ struct elf_vax_pcrel_relocs_copied *next;
+ /* A section in dynobj. */
+ asection *section;
+ /* Number of relocs copied in this section. */
+ bfd_size_type count;
+};
+
+/* VAX ELF linker hash entry. */
+
+struct elf_vax_link_hash_entry
+{
+ struct elf_link_hash_entry root;
+
+ /* Number of PC relative relocs copied for this symbol. */
+ struct elf_vax_pcrel_relocs_copied *pcrel_relocs_copied;
+
+ bfd_vma got_addend;
+};
+
+/* VAX ELF linker hash table. */
+
+struct elf_vax_link_hash_table
+{
+ struct elf_link_hash_table root;
+};
+
+/* Declare this now that the above structures are defined. */
+
+static boolean elf_vax_discard_copies
+ PARAMS ((struct elf_vax_link_hash_entry *, PTR));
+
+/* Traverse an VAX ELF linker hash table. */
+
+#define elf_vax_link_hash_traverse(table, func, info) \
+ (elf_link_hash_traverse \
+ (&(table)->root, \
+ (boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
+ (info)))
+
+/* Get the VAX ELF linker hash table from a link_info structure. */
+
+#define elf_vax_hash_table(p) \
+ ((struct elf_vax_link_hash_table *) (p)->hash)
+
+/* Create an entry in an VAX ELF linker hash table. */
+
+static struct bfd_hash_entry *
+elf_vax_link_hash_newfunc (entry, table, string)
+ struct bfd_hash_entry *entry;
+ struct bfd_hash_table *table;
+ const char *string;
+{
+ struct elf_vax_link_hash_entry *ret =
+ (struct elf_vax_link_hash_entry *) entry;
+
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (ret == (struct elf_vax_link_hash_entry *) NULL)
+ ret = ((struct elf_vax_link_hash_entry *)
+ bfd_hash_allocate (table,
+ sizeof (struct elf_vax_link_hash_entry)));
+ if (ret == (struct elf_vax_link_hash_entry *) NULL)
+ return (struct bfd_hash_entry *) ret;
+
+ /* Call the allocation method of the superclass. */
+ ret = ((struct elf_vax_link_hash_entry *)
+ _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
+ table, string));
+ if (ret != (struct elf_vax_link_hash_entry *) NULL)
+ {
+ ret->pcrel_relocs_copied = NULL;
+ }
+
+ return (struct bfd_hash_entry *) ret;
+}
+
+/* Create an VAX ELF linker hash table. */
+
+static struct bfd_link_hash_table *
+elf_vax_link_hash_table_create (abfd)
+ bfd *abfd;
+{
+ struct elf_vax_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct elf_vax_link_hash_table);
+
+ ret = (struct elf_vax_link_hash_table *) bfd_malloc (amt);
+ if (ret == (struct elf_vax_link_hash_table *) NULL)
+ return NULL;
+
+ if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
+ elf_vax_link_hash_newfunc))
+ {
+ free (ret);
+ return NULL;
+ }
+
+ return &ret->root.root;
+}
+
+/* Keep vax-specific flags in the ELF header */
+static boolean
+elf32_vax_set_private_flags (abfd, flags)
+ bfd *abfd;
+ flagword flags;
+{
+ elf_elfheader (abfd)->e_flags = flags;
+ elf_flags_init (abfd) = true;
+ return true;
+}
+
+/* Merge backend specific data from an object file to the output
+ object file when linking. */
+static boolean
+elf32_vax_merge_private_bfd_data (ibfd, obfd)
+ bfd *ibfd;
+ bfd *obfd;
+{
+ flagword out_flags;
+ flagword in_flags;
+
+ if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return true;
+
+ in_flags = elf_elfheader (ibfd)->e_flags;
+ out_flags = elf_elfheader (obfd)->e_flags;
+
+ if (!elf_flags_init (obfd))
+ {
+ elf_flags_init (obfd) = true;
+ elf_elfheader (obfd)->e_flags = in_flags;
+ }
+
+ return true;
+}
+
+/* Display the flags field */
+static boolean
+elf32_vax_print_private_bfd_data (abfd, ptr)
+ bfd *abfd;
+ PTR ptr;
+{
+ FILE *file = (FILE *) ptr;
+
+ BFD_ASSERT (abfd != NULL && ptr != NULL);
+
+ /* Print normal ELF private data. */
+ _bfd_elf_print_private_bfd_data (abfd, ptr);
+
+ /* Ignore init flag - it may not be set, despite the flags field containing valid data. */
+
+ /* xgettext:c-format */
+ fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
+
+ if (elf_elfheader (abfd)->e_flags & EF_NONPIC)
+ fprintf (file, _(" [nonpic]"));
+
+ if (elf_elfheader (abfd)->e_flags & EF_DFLOAT)
+ fprintf (file, _(" [d-float]"));
+
+ if (elf_elfheader (abfd)->e_flags & EF_GFLOAT)
+ fprintf (file, _(" [g-float]"));
+
+ fputc ('\n', file);
+
+ return true;
+}
+/* Look through the relocs for a section during the first phase, and
+ allocate space in the global offset table or procedure linkage
+ table. */
+
+static boolean
+elf_vax_check_relocs (abfd, info, sec, relocs)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
+{
+ bfd *dynobj;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_signed_vma *local_got_refcounts;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
+ asection *sgot;
+ asection *srelgot;
+ asection *sreloc;
+
+ if (info->relocateable)
+ return true;
+
+ dynobj = elf_hash_table (info)->dynobj;
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+
+ sgot = NULL;
+ srelgot = NULL;
+ sreloc = NULL;
+
+ rel_end = relocs + sec->reloc_count;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_VAX_GOT32:
+ if (h != NULL
+ && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ break;
+
+ /* This symbol requires a global offset table entry. */
+
+ if (dynobj == NULL)
+ {
+ /* Create the .got section. */
+ elf_hash_table (info)->dynobj = dynobj = abfd;
+ if (!_bfd_elf_create_got_section (dynobj, info))
+ return false;
+ }
+
+ if (sgot == NULL)
+ {
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (sgot != NULL);
+ }
+
+ if (srelgot == NULL
+ && (h != NULL || info->shared))
+ {
+ srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (srelgot == NULL)
+ {
+ srelgot = bfd_make_section (dynobj, ".rela.got");
+ if (srelgot == NULL
+ || !bfd_set_section_flags (dynobj, srelgot,
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || !bfd_set_section_alignment (dynobj, srelgot, 2))
+ return false;
+ }
+ }
+
+ if (h != NULL)
+ {
+ struct elf_vax_link_hash_entry *eh;
+
+ eh = (struct elf_vax_link_hash_entry *) h;
+ if (h->got.refcount == -1)
+ {
+ h->got.refcount = 1;
+ eh->got_addend = rel->r_addend;
+
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (h->dynindx == -1)
+ {
+ if (!bfd_elf32_link_record_dynamic_symbol (info, h))
+ return false;
+ }
+
+ /* Allocate space in the .got section. */
+ sgot->_raw_size += 4;
+ /* Allocate relocation space. */
+ srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ }
+ else
+ {
+ h->got.refcount++;
+ if (eh->got_addend != (bfd_vma) rel->r_addend)
+ (*_bfd_error_handler)
+ (_("%s: warning: GOT addend of %ld to `%s' does not match previous GOT addend of %ld"),
+ bfd_get_filename (abfd), rel->r_addend,
+ h->root.root.string,
+ eh->got_addend);
+
+ }
+ }
+ break;
+
+ case R_VAX_PLT32:
+ /* This symbol requires a procedure linkage table entry. We
+ actually build the entry in adjust_dynamic_symbol,
+ because this might be a case of linking PIC code which is
+ never referenced by a dynamic object, in which case we
+ don't need to generate a procedure linkage table entry
+ after all. */
+
+ /* If this is a local symbol, we resolve it directly without
+ creating a procedure linkage table entry. */
+ if (h == NULL)
+ continue;
+
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ if (h->plt.refcount == -1)
+ h->plt.refcount = 1;
+ else
+ h->plt.refcount++;
+ break;
+
+ case R_VAX_PC8:
+ case R_VAX_PC16:
+ case R_VAX_PC32:
+ /* If we are creating a shared library and this is not a local
+ symbol, we need to copy the reloc into the shared library.
+ However when linking with -Bsymbolic and this is a global
+ symbol which is defined in an object we are including in the
+ link (i.e., DEF_REGULAR is set), then we can resolve the
+ reloc directly. At this point we have not seen all the input
+ files, so it is possible that DEF_REGULAR is not set now but
+ will be set later (it is never cleared). We account for that
+ possibility below by storing information in the
+ pcrel_relocs_copied field of the hash table entry. */
+ if (!(info->shared
+ && (sec->flags & SEC_ALLOC) != 0
+ && h != NULL
+ && (!info->symbolic
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)))
+ {
+ if (h != NULL)
+ {
+ /* Make sure a plt entry is created for this symbol if
+ it turns out to be a function defined by a dynamic
+ object. */
+ if (h->plt.refcount == -1)
+ h->plt.refcount = 1;
+ else
+ h->plt.refcount++;
+ }
+ break;
+ }
+ /* Fall through. */
+ case R_VAX_8:
+ case R_VAX_16:
+ case R_VAX_32:
+ if (h != NULL)
+ {
+ /* Make sure a plt entry is created for this symbol if it
+ turns out to be a function defined by a dynamic object. */
+ if (h->plt.refcount == -1)
+ h->plt.refcount = 1;
+ else
+ h->plt.refcount++;
+ }
+
+ /* If we are creating a shared library, we need to copy the
+ reloc into the shared library. */
+ if (info->shared
+ && (sec->flags & SEC_ALLOC) != 0)
+ {
+ /* When creating a shared object, we must copy these
+ reloc types into the output file. We create a reloc
+ section in dynobj and make room for this reloc. */
+ if (sreloc == NULL)
+ {
+ const char *name;
+
+ name = (bfd_elf_string_from_elf_section
+ (abfd,
+ elf_elfheader (abfd)->e_shstrndx,
+ elf_section_data (sec)->rel_hdr.sh_name));
+ if (name == NULL)
+ return false;
+
+ BFD_ASSERT (strncmp (name, ".rela", 5) == 0
+ && strcmp (bfd_get_section_name (abfd, sec),
+ name + 5) == 0);
+
+ sreloc = bfd_get_section_by_name (dynobj, name);
+ if (sreloc == NULL)
+ {
+ sreloc = bfd_make_section (dynobj, name);
+ if (sreloc == NULL
+ || !bfd_set_section_flags (dynobj, sreloc,
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || !bfd_set_section_alignment (dynobj, sreloc, 2))
+ return false;
+ }
+ if (sec->flags & SEC_READONLY)
+ info->flags |= DF_TEXTREL;
+ }
+
+ sreloc->_raw_size += sizeof (Elf32_External_Rela);
+
+ /* If we are linking with -Bsymbolic, we count the number of
+ PC relative relocations we have entered for this symbol,
+ so that we can discard them again if the symbol is later
+ defined by a regular object. Note that this function is
+ only called if we are using an vaxelf linker hash table,
+ which means that h is really a pointer to an
+ elf_vax_link_hash_entry. */
+ if ((ELF32_R_TYPE (rel->r_info) == R_VAX_PC8
+ || ELF32_R_TYPE (rel->r_info) == R_VAX_PC16
+ || ELF32_R_TYPE (rel->r_info) == R_VAX_PC32)
+ && info->symbolic)
+ {
+ struct elf_vax_link_hash_entry *eh;
+ struct elf_vax_pcrel_relocs_copied *p;
+
+ eh = (struct elf_vax_link_hash_entry *) h;
+
+ for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
+ if (p->section == sreloc)
+ break;
+
+ if (p == NULL)
+ {
+ p = ((struct elf_vax_pcrel_relocs_copied *)
+ bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
+ if (p == NULL)
+ return false;
+ p->next = eh->pcrel_relocs_copied;
+ eh->pcrel_relocs_copied = p;
+ p->section = sreloc;
+ p->count = 0;
+ }
+
+ ++p->count;
+ }
+ }
+
+ break;
+
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_VAX_GNU_VTINHERIT:
+ if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return false;
+ break;
+
+ /* This relocation describes which C++ vtable entries are actually
+ used. Record for later use during GC. */
+ case R_VAX_GNU_VTENTRY:
+ if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return false;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return true;
+}
+
+/* Return the section that should be marked against GC for a given
+ relocation. */
+
+static asection *
+elf_vax_gc_mark_hook (abfd, info, rel, h, sym)
+ bfd *abfd;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ Elf_Internal_Rela *rel;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+{
+ if (h != NULL)
+ {
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_VAX_GNU_VTINHERIT:
+ case R_VAX_GNU_VTENTRY:
+ break;
+
+ default:
+ switch (h->root.type)
+ {
+ default:
+ break;
+
+ case bfd_link_hash_defined:
+ case bfd_link_hash_defweak:
+ return h->root.u.def.section;
+
+ case bfd_link_hash_common:
+ return h->root.u.c.p->section;
+ }
+ }
+ }
+ else
+ {
+ if (!(elf_bad_symtab (abfd)
+ && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
+ && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
+ && sym->st_shndx != SHN_COMMON))
+ {
+ return bfd_section_from_elf_index (abfd, sym->st_shndx);
+ }
+ }
+
+ return NULL;
+}
+
+/* Update the got entry reference counts for the section being removed. */
+
+static boolean
+elf_vax_gc_sweep_hook (abfd, info, sec, relocs)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_signed_vma *local_got_refcounts;
+ const Elf_Internal_Rela *rel, *relend;
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+ bfd *dynobj;
+ asection *sgot;
+ asection *srelgot;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+
+ dynobj = elf_hash_table (info)->dynobj;
+ if (dynobj == NULL)
+ return true;
+
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+
+ relend = relocs + sec->reloc_count;
+ for (rel = relocs; rel < relend; rel++)
+ {
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_VAX_GOT32:
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ if (h->got.refcount > 0)
+ {
+ --h->got.refcount;
+ if (h->got.refcount == 0)
+ {
+ /* We don't need the .got entry any more. */
+ sgot->_raw_size -= 4;
+ srelgot->_raw_size -= sizeof (Elf32_External_Rela);
+ }
+ }
+ }
+ else if (local_got_refcounts != NULL)
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ {
+ --local_got_refcounts[r_symndx];
+ if (local_got_refcounts[r_symndx] == 0)
+ {
+ /* We don't need the .got entry any more. */
+ sgot->_raw_size -= 4;
+ if (info->shared)
+ srelgot->_raw_size -= sizeof (Elf32_External_Rela);
+ }
+ }
+ }
+ break;
+
+ case R_VAX_PLT32:
+ case R_VAX_PC8:
+ case R_VAX_PC16:
+ case R_VAX_PC32:
+ case R_VAX_8:
+ case R_VAX_16:
+ case R_VAX_32:
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ if (h->plt.refcount > 0)
+ --h->plt.refcount;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return true;
+}
+
+/* Adjust a symbol defined by a dynamic object and referenced by a
+ regular object. The current definition is in some section of the
+ dynamic object, but we're not including those sections. We have to
+ change the definition to something the rest of the link can
+ understand. */
+
+static boolean
+elf_vax_adjust_dynamic_symbol (info, h)
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+{
+ bfd *dynobj;
+ asection *s;
+ unsigned int power_of_two;
+
+ dynobj = elf_hash_table (info)->dynobj;
+
+ /* Make sure we know what is going on here. */
+ BFD_ASSERT (dynobj != NULL
+ && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
+ || h->weakdef != NULL
+ || ((h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_DYNAMIC) != 0
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_REF_REGULAR) != 0
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)));
+
+ /* If this is a function, put it in the procedure linkage table. We
+ will fill in the contents of the procedure linkage table later,
+ when we know the address of the .got section. */
+ if (h->type == STT_FUNC
+ || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ {
+ if (! info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
+ /* We must always create the plt entry if it was referenced
+ by a PLTxxO relocation. In this case we already recorded
+ it as a dynamic symbol. */
+ && h->dynindx == -1)
+ {
+ /* This case can occur if we saw a PLTxx reloc in an input
+ file, but the symbol was never referred to by a dynamic
+ object. In such a case, we don't actually need to build
+ a procedure linkage table, and we can just do a PCxx
+ reloc instead. */
+ BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
+ h->plt.offset = (bfd_vma) -1;
+ return true;
+ }
+
+ /* GC may have rendered this entry unused. */
+ if (h->plt.refcount <= 0)
+ {
+ h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->plt.offset = (bfd_vma) -1;
+ return true;
+ }
+
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (h->dynindx == -1)
+ {
+ if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ return false;
+ }
+
+ s = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (s != NULL);
+
+ /* If this is the first .plt entry, make room for the special
+ first entry. */
+ if (s->_raw_size == 0)
+ {
+ s->_raw_size += PLT_ENTRY_SIZE;
+ }
+
+ /* If this symbol is not defined in a regular file, and we are
+ not generating a shared library, then set the symbol to this
+ location in the .plt. This is required to make function
+ pointers compare as equal between the normal executable and
+ the shared library. */
+ if (!info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = s->_raw_size;
+ }
+
+ h->plt.offset = s->_raw_size;
+
+ /* Make room for this entry. */
+ s->_raw_size += PLT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .got.plt section, which
+ will be placed in the .got section by the linker script. */
+
+ s = bfd_get_section_by_name (dynobj, ".got.plt");
+ BFD_ASSERT (s != NULL);
+ s->_raw_size += 4;
+
+ /* We also need to make an entry in the .rela.plt section. */
+
+ s = bfd_get_section_by_name (dynobj, ".rela.plt");
+ BFD_ASSERT (s != NULL);
+ s->_raw_size += sizeof (Elf32_External_Rela);
+
+ return true;
+ }
+
+ /* Reinitialize the plt offset now that it is not used as a reference
+ count any more. */
+ h->plt.offset = (bfd_vma) -1;
+
+ /* If this is a weak symbol, and there is a real definition, the
+ processor independent code will have arranged for us to see the
+ real definition first, and we can just use the same value. */
+ if (h->weakdef != NULL)
+ {
+ BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
+ || h->weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->weakdef->root.u.def.section;
+ h->root.u.def.value = h->weakdef->root.u.def.value;
+ return true;
+ }
+
+ /* This is a reference to a symbol defined by a dynamic object which
+ is not a function. */
+
+ /* If we are creating a shared library, we must presume that the
+ only references to the symbol are via the global offset table.
+ For such cases we need not do anything here; the relocations will
+ be handled correctly by relocate_section. */
+ if (info->shared)
+ return true;
+
+ /* We must allocate the symbol in our .dynbss section, which will
+ become part of the .bss section of the executable. There will be
+ an entry for this symbol in the .dynsym section. The dynamic
+ object will contain position independent code, so all references
+ from the dynamic object to this symbol will go through the global
+ offset table. The dynamic linker will use the .dynsym entry to
+ determine the address it must put in the global offset table, so
+ both the dynamic object and the regular object will refer to the
+ same memory location for the variable. */
+
+ s = bfd_get_section_by_name (dynobj, ".dynbss");
+ BFD_ASSERT (s != NULL);
+
+ /* We must generate a R_VAX_COPY reloc to tell the dynamic linker to
+ copy the initial value out of the dynamic object and into the
+ runtime process image. We need to remember the offset into the
+ .rela.bss section we are going to use. */
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ {
+ asection *srel;
+
+ srel = bfd_get_section_by_name (dynobj, ".rela.bss");
+ BFD_ASSERT (srel != NULL);
+ srel->_raw_size += sizeof (Elf32_External_Rela);
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ }
+
+ /* We need to figure out the alignment required for this symbol. I
+ have no idea how ELF linkers handle this. */
+ power_of_two = bfd_log2 (h->size);
+ if (power_of_two > 3)
+ power_of_two = 3;
+
+ /* Apply the required alignment. */
+ s->_raw_size = BFD_ALIGN (s->_raw_size,
+ (bfd_size_type) (1 << power_of_two));
+ if (power_of_two > bfd_get_section_alignment (dynobj, s))
+ {
+ if (!bfd_set_section_alignment (dynobj, s, power_of_two))
+ return false;
+ }
+
+ /* Define the symbol as being at this point in the section. */
+ h->root.u.def.section = s;
+ h->root.u.def.value = s->_raw_size;
+
+ /* Increment the section size to make room for the symbol. */
+ s->_raw_size += h->size;
+
+ return true;
+}
+
+/* Set the sizes of the dynamic sections. */
+
+static boolean
+elf_vax_size_dynamic_sections (output_bfd, info)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+{
+ bfd *dynobj;
+ asection *s;
+ boolean plt;
+ boolean relocs;
+ boolean reltext;
+
+ dynobj = elf_hash_table (info)->dynobj;
+ BFD_ASSERT (dynobj != NULL);
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Set the contents of the .interp section to the interpreter. */
+ if (!info->shared)
+ {
+ s = bfd_get_section_by_name (dynobj, ".interp");
+ BFD_ASSERT (s != NULL);
+ s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
+ }
+ }
+ else
+ {
+ /* We may have created entries in the .rela.got and .got sections.
+ However, if we are not creating the dynamic sections, we will
+ not actually use these entries. Reset the size of .rela.got
+ and .got, which will cause it to get stripped from the output
+ file below. */
+ s = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (s != NULL)
+ s->_raw_size = 0;
+ s = bfd_get_section_by_name (dynobj, ".got.plt");
+ if (s != NULL)
+ s->_raw_size = 0;
+ s = bfd_get_section_by_name (dynobj, ".got");
+ if (s != NULL)
+ s->_raw_size = 0;
+ }
+
+ /* If this is a -Bsymbolic shared link, then we need to discard all PC
+ relative relocs against symbols defined in a regular object. We
+ allocated space for them in the check_relocs routine, but we will not
+ fill them in in the relocate_section routine. */
+ if (info->shared && info->symbolic)
+ elf_vax_link_hash_traverse (elf_vax_hash_table (info),
+ elf_vax_discard_copies,
+ (PTR) NULL);
+
+ /* The check_relocs and adjust_dynamic_symbol entry points have
+ determined the sizes of the various dynamic sections. Allocate
+ memory for them. */
+ plt = false;
+ relocs = false;
+ reltext = false;
+ for (s = dynobj->sections; s != NULL; s = s->next)
+ {
+ const char *name;
+ boolean strip;
+
+ if ((s->flags & SEC_LINKER_CREATED) == 0)
+ continue;
+
+ /* It's OK to base decisions on the section name, because none
+ of the dynobj section names depend upon the input files. */
+ name = bfd_get_section_name (dynobj, s);
+
+ strip = false;
+
+ if (strcmp (name, ".plt") == 0)
+ {
+ if (s->_raw_size == 0)
+ {
+ /* Strip this section if we don't need it; see the
+ comment below. */
+ strip = true;
+ }
+ else
+ {
+ /* Remember whether there is a PLT. */
+ plt = true;
+ }
+ }
+ else if (strncmp (name, ".rela", 5) == 0)
+ {
+ if (s->_raw_size == 0)
+ {
+ /* If we don't need this section, strip it from the
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
+ strip = true;
+ }
+ else
+ {
+ asection *target;
+
+ /* Remember whether there are any reloc sections other
+ than .rela.plt. */
+ if (strcmp (name, ".rela.plt") != 0)
+ {
+ const char *outname;
+
+ relocs = true;
+
+ /* If this relocation section applies to a read only
+ section, then we probably need a DT_TEXTREL
+ entry. .rela.plt is actually associated with
+ .got.plt, which is never readonly. */
+ outname = bfd_get_section_name (output_bfd,
+ s->output_section);
+ target = bfd_get_section_by_name (output_bfd, outname + 5);
+ if (target != NULL
+ && (target->flags & SEC_READONLY) != 0
+ && (target->flags & SEC_ALLOC) != 0)
+ reltext = true;
+ }
+
+ /* We use the reloc_count field as a counter if we need
+ to copy relocs into the output file. */
+ s->reloc_count = 0;
+ }
+ }
+ else if (strncmp (name, ".got", 4) != 0)
+ {
+ /* It's not one of our sections, so don't allocate space. */
+ continue;
+ }
+
+ if (strip)
+ {
+ _bfd_strip_section_from_output (info, s);
+ continue;
+ }
+
+ /* Allocate memory for the section contents. */
+ s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size);
+ if (s->contents == NULL && s->_raw_size != 0)
+ return false;
+ }
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Add some entries to the .dynamic section. We fill in the
+ values later, in elf_vax_finish_dynamic_sections, but we
+ must add the entries now so that we get the correct size for
+ the .dynamic section. The DT_DEBUG entry is filled in by the
+ dynamic linker and used by the debugger. */
+#define add_dynamic_entry(TAG, VAL) \
+ bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+
+ if (!info->shared)
+ {
+ if (!add_dynamic_entry (DT_DEBUG, 0))
+ return false;
+ }
+
+ if (plt)
+ {
+ if (!add_dynamic_entry (DT_PLTGOT, 0)
+ || !add_dynamic_entry (DT_PLTRELSZ, 0)
+ || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || !add_dynamic_entry (DT_JMPREL, 0))
+ return false;
+ }
+
+ if (relocs)
+ {
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
+ return false;
+ }
+
+ if (reltext || (info->flags & DF_TEXTREL) != 0)
+ {
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return false;
+ }
+ }
+#undef add_dynamic_entry
+
+ return true;
+}
+
+/* This function is called via elf_vax_link_hash_traverse if we are
+ creating a shared object with -Bsymbolic. It discards the space
+ allocated to copy PC relative relocs against symbols which are defined
+ in regular objects. We allocated space for them in the check_relocs
+ routine, but we won't fill them in in the relocate_section routine. */
+
+/*ARGSUSED*/
+static boolean
+elf_vax_discard_copies (h, ignore)
+ struct elf_vax_link_hash_entry *h;
+ PTR ignore ATTRIBUTE_UNUSED;
+{
+ struct elf_vax_pcrel_relocs_copied *s;
+
+ if (h->root.root.type == bfd_link_hash_warning)
+ h = (struct elf_vax_link_hash_entry *) h->root.root.u.i.link;
+
+ /* We only discard relocs for symbols defined in a regular object. */
+ if ((h->root.elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ return true;
+
+ for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
+ s->section->_raw_size -= s->count * sizeof (Elf32_External_Rela);
+
+ return true;
+}
+
+/* Relocate an VAX ELF section. */
+
+static boolean
+elf_vax_relocate_section (output_bfd, info, input_bfd, input_section,
+ contents, relocs, local_syms, local_sections)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+ bfd *input_bfd;
+ asection *input_section;
+ bfd_byte *contents;
+ Elf_Internal_Rela *relocs;
+ Elf_Internal_Sym *local_syms;
+ asection **local_sections;
+{
+ bfd *dynobj;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_vma *local_got_offsets;
+ bfd_vma plt_index;
+ bfd_vma got_offset;
+ asection *sgot;
+ asection *splt;
+ asection *sgotplt;
+ asection *sreloc;
+ Elf_Internal_Rela *rel;
+ Elf_Internal_Rela *relend;
+
+ dynobj = elf_hash_table (info)->dynobj;
+ symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (input_bfd);
+ local_got_offsets = elf_local_got_offsets (input_bfd);
+
+ sgot = NULL;
+ splt = NULL;
+ sgotplt = NULL;
+ sreloc = NULL;
+
+ rel = relocs;
+ relend = relocs + input_section->reloc_count;
+ for (; rel < relend; rel++)
+ {
+ int r_type;
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ bfd_vma relocation;
+ bfd_reloc_status_type r;
+
+ r_type = ELF32_R_TYPE (rel->r_info);
+ if (r_type < 0 || r_type >= (int) R_VAX_max)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+ howto = howto_table + r_type;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+
+ if (info->relocateable)
+ {
+ /* This is a relocateable link. We don't have to change
+ anything, unless the reloc is against a section symbol,
+ in which case we have to adjust according to where the
+ section symbol winds up in the output section. */
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+ {
+ sec = local_sections[r_symndx];
+ rel->r_addend += sec->output_offset + sym->st_value;
+ }
+ }
+
+ continue;
+ }
+
+ /* This is a final link. */
+ h = NULL;
+ sym = NULL;
+ sec = NULL;
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ sec = local_sections[r_symndx];
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
+ }
+ else
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ {
+ sec = h->root.u.def.section;
+ if ((r_type == R_VAX_PLT32
+ && h->plt.offset != (bfd_vma) -1
+ && elf_hash_table (info)->dynamic_sections_created)
+ || (r_type == R_VAX_GOT32
+ && strcmp (h->root.root.string,
+ "_GLOBAL_OFFSET_TABLE_") != 0
+ && elf_hash_table (info)->dynamic_sections_created
+ && (! info->shared
+ || (! info->symbolic && h->dynindx != -1)
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ || (info->shared
+ && ((! info->symbolic && h->dynindx != -1)
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && ((input_section->flags & SEC_ALLOC) != 0
+ /* DWARF will emit R_VAX_32 relocations in its
+ sections against symbols defined externally
+ in shared libraries. We can't do anything
+ with them here. */
+
+ || ((input_section->flags & SEC_DEBUGGING) != 0
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
+ && (r_type == R_VAX_8
+ || r_type == R_VAX_16
+ || r_type == R_VAX_32
+ || r_type == R_VAX_PC8
+ || r_type == R_VAX_PC16
+ || r_type == R_VAX_PC32)))
+ {
+ /* In these cases, we don't need the relocation
+ value. We check specially because in some
+ obscure cases sec->output_section will be NULL. */
+ relocation = 0;
+ }
+ else
+ relocation = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else if (h->root.type == bfd_link_hash_undefweak)
+ relocation = 0;
+ else if (info->shared
+ && (!info->symbolic || info->allow_shlib_undefined)
+ && !info->no_undefined
+ && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
+ relocation = 0;
+ else
+ {
+ if (!(info->callbacks->undefined_symbol
+ (info, h->root.root.string, input_bfd,
+ input_section, rel->r_offset,
+ (!info->shared || info->no_undefined
+ || ELF_ST_VISIBILITY (h->other)))))
+ return false;
+ relocation = 0;
+ }
+ }
+
+ switch (r_type)
+ {
+ case R_VAX_GOT32:
+ /* Relocation is to the address of the entry for this symbol
+ in the global offset table. */
+ if (h != NULL
+ && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ break;
+
+ /* Relocation is the offset of the entry for this symbol in
+ the global offset table. */
+
+ {
+ bfd_vma off;
+
+ if (!elf_hash_table (info)->dynamic_sections_created
+ || (h == NULL)
+ || (info->shared
+ && info->symbolic
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
+ {
+ /* This is actually a static link, or it is a -Bsymbolic link
+ and the symbol is defined locally or there is no symbol.
+ Change the GOT32 entry to a PC32 entry. */
+ break;
+ }
+
+ if (sgot == NULL)
+ {
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (sgot != NULL);
+ }
+
+ BFD_ASSERT (h != NULL);
+ off = h->got.offset;
+ BFD_ASSERT (off != (bfd_vma) -1);
+
+ if (info->shared
+ && h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ {
+ /* The symbol was forced to be local
+ because of a version file.. We must initialize
+ this entry in the global offset table. Since
+ the offset must always be a multiple of 4, we
+ use the least significant bit to record whether
+ we have initialized it already.
+
+ When doing a dynamic link, we create a .rela.got
+ relocation entry to initialize the value. This
+ is done in the finish_dynamic_symbol routine. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_put_32 (output_bfd, relocation + rel->r_addend,
+ sgot->contents + off);
+ h->got.offset |= 1;
+ }
+ } else {
+ bfd_put_32 (output_bfd, rel->r_addend, sgot->contents + off);
+ }
+
+ relocation = sgot->output_offset + off;
+ /* Neither GOT relocation uses the addend. */
+ rel->r_addend = 0;
+
+ if (r_type == R_VAX_GOT32)
+ {
+ /* Change the reference to be indirect */
+ contents[rel->r_offset - 1] |= 0x10;
+ relocation += sgot->output_section->vma;
+ }
+ }
+ break;
+
+ case R_VAX_PLT32:
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table. */
+
+ /* Resolve a PLTxx reloc against a local symbol directly,
+ without using the procedure linkage table. */
+ if (h == NULL)
+ break;
+
+ if (h->plt.offset == (bfd_vma) -1
+ || !elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* We didn't make a PLT entry for this symbol. This
+ happens when statically linking PIC code, or when
+ using -Bsymbolic. */
+ break;
+ }
+
+ if (splt == NULL)
+ {
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL);
+ }
+
+ if (sgotplt == NULL)
+ {
+ sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
+ BFD_ASSERT (splt != NULL);
+ }
+
+ plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
+
+ /* Get the offset into the .got table of the entry that
+ corresponds to this function. Each .got entry is 4 bytes.
+ The first two are reserved. */
+ got_offset = (plt_index + 3) * 4;
+
+ /* We want the relocate to point into the .got.plt instead
+ of the plt itself. */
+ relocation = (sgotplt->output_section->vma
+ + sgotplt->output_offset
+ + got_offset);
+ contents[rel->r_offset-1] |= 0x10; /* make indirect */
+ if (rel->r_addend == 2)
+ {
+ h->plt.offset |= 1;
+ }
+ else if (rel->r_addend != 0)
+ (*_bfd_error_handler)
+ (_("%s: warning: PLT addend of %d to `%s' from %s section ignored"),
+ bfd_get_filename (input_bfd), rel->r_addend,
+ h->root.root.string,
+ bfd_get_section_name (input_bfd, input_section));
+ rel->r_addend = 0;
+
+ break;
+
+ case R_VAX_PC8:
+ case R_VAX_PC16:
+ case R_VAX_PC32:
+ if (h == NULL)
+ break;
+ /* Fall through. */
+ case R_VAX_8:
+ case R_VAX_16:
+ case R_VAX_32:
+ if (info->shared
+ && r_symndx != 0
+ && (input_section->flags & SEC_ALLOC) != 0
+ && ((r_type != R_VAX_PC8
+ && r_type != R_VAX_PC16
+ && r_type != R_VAX_PC32)
+ || (!info->symbolic
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)))
+ {
+ Elf_Internal_Rela outrel;
+ boolean skip, relocate;
+
+ /* When generating a shared object, these relocations
+ are copied into the output file to be resolved at run
+ time. */
+
+ if (sreloc == NULL)
+ {
+ const char *name;
+
+ name = (bfd_elf_string_from_elf_section
+ (input_bfd,
+ elf_elfheader (input_bfd)->e_shstrndx,
+ elf_section_data (input_section)->rel_hdr.sh_name));
+ if (name == NULL)
+ return false;
+
+ BFD_ASSERT (strncmp (name, ".rela", 5) == 0
+ && strcmp (bfd_get_section_name (input_bfd,
+ input_section),
+ name + 5) == 0);
+
+ sreloc = bfd_get_section_by_name (dynobj, name);
+ BFD_ASSERT (sreloc != NULL);
+ }
+
+ skip = false;
+ relocate = false;
+
+ outrel.r_offset =
+ _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset);
+ if (outrel.r_offset == (bfd_vma) -1)
+ skip = true;
+ if (outrel.r_offset == (bfd_vma) -2)
+ skip = true, relocate = true;
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+
+ if (skip)
+ memset (&outrel, 0, sizeof outrel);
+ /* h->dynindx may be -1 if the symbol was marked to
+ become local. */
+ else if (h != NULL
+ && ((! info->symbolic && h->dynindx != -1)
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ {
+ BFD_ASSERT (h->dynindx != -1);
+ outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ else
+ {
+ if (r_type == R_VAX_32)
+ {
+ relocate = true;
+ outrel.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE);
+ BFD_ASSERT (bfd_get_signed_32 (input_bfd,
+ &contents[rel->r_offset]) == 0);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ else
+ {
+ long indx;
+
+ if (h == NULL)
+ sec = local_sections[r_symndx];
+ else
+ {
+ BFD_ASSERT (h->root.type == bfd_link_hash_defined
+ || (h->root.type
+ == bfd_link_hash_defweak));
+ sec = h->root.u.def.section;
+ }
+ if (sec != NULL && bfd_is_abs_section (sec))
+ indx = 0;
+ else if (sec == NULL || sec->owner == NULL)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+ else
+ {
+ asection *osec;
+
+ osec = sec->output_section;
+ indx = elf_section_data (osec)->dynindx;
+ BFD_ASSERT (indx > 0);
+ }
+
+ outrel.r_info = ELF32_R_INFO (indx, r_type);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ }
+
+ if (!strcmp (bfd_get_section_name (input_bfd, input_section),
+ ".text") != 0 ||
+ (info->shared
+ && ELF32_R_TYPE(outrel.r_info) != R_VAX_32
+ && ELF32_R_TYPE(outrel.r_info) != R_VAX_RELATIVE
+ && ELF32_R_TYPE(outrel.r_info) != R_VAX_COPY
+ && ELF32_R_TYPE(outrel.r_info) != R_VAX_JMP_SLOT
+ && ELF32_R_TYPE(outrel.r_info) != R_VAX_GLOB_DAT))
+ {
+ if (h != NULL)
+ (*_bfd_error_handler)
+ (_("%s: warning: %s relocation against symbol `%s' from %s section"),
+ bfd_get_filename (input_bfd), howto->name,
+ h->root.root.string,
+ bfd_get_section_name (input_bfd, input_section));
+ else
+ (*_bfd_error_handler)
+ (_("%s: warning: %s relocation to 0x%x from %s section"),
+ bfd_get_filename (input_bfd), howto->name,
+ outrel.r_addend,
+ bfd_get_section_name (input_bfd, input_section));
+ }
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel,
+ (((Elf32_External_Rela *)
+ sreloc->contents)
+ + sreloc->reloc_count));
+ ++sreloc->reloc_count;
+
+ /* This reloc will be computed at runtime, so there's no
+ need to do anything now, except for R_VAX_32
+ relocations that have been turned into
+ R_VAX_RELATIVE. */
+ if (!relocate)
+ continue;
+ }
+
+ break;
+
+ case R_VAX_GNU_VTINHERIT:
+ case R_VAX_GNU_VTENTRY:
+ /* These are no-ops in the end. */
+ continue;
+
+ default:
+ break;
+ }
+
+ /* VAX PCREL relocations are from the end of relocation, not the start */
+ if (howto->pc_relative && howto->pcrel_offset)
+ {
+ relocation -= bfd_get_reloc_size(howto);
+ }
+
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend);
+
+ if (r != bfd_reloc_ok)
+ {
+ switch (r)
+ {
+ default:
+ case bfd_reloc_outofrange:
+ abort ();
+ case bfd_reloc_overflow:
+ {
+ const char *name;
+
+ if (h != NULL)
+ name = h->root.root.string;
+ else
+ {
+ name = bfd_elf_string_from_elf_section (input_bfd,
+ symtab_hdr->sh_link,
+ sym->st_name);
+ if (name == NULL)
+ return false;
+ if (*name == '\0')
+ name = bfd_section_name (input_bfd, sec);
+ }
+ if (!(info->callbacks->reloc_overflow
+ (info, name, howto->name, (bfd_vma) 0,
+ input_bfd, input_section, rel->r_offset)))
+ return false;
+ }
+ break;
+ }
+ }
+ }
+
+ return true;
+}
+
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
+
+static boolean
+elf_vax_finish_dynamic_symbol (output_bfd, info, h, sym)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+{
+ bfd *dynobj;
+
+ dynobj = elf_hash_table (info)->dynobj;
+
+ if (h->plt.offset != (bfd_vma) -1)
+ {
+ asection *splt;
+ asection *sgot;
+ asection *srela;
+ bfd_vma plt_index;
+ bfd_vma got_offset;
+ bfd_vma addend;
+ Elf_Internal_Rela rela;
+
+ /* This symbol has an entry in the procedure linkage table. Set
+ it up. */
+
+ BFD_ASSERT (h->dynindx != -1);
+
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ sgot = bfd_get_section_by_name (dynobj, ".got.plt");
+ srela = bfd_get_section_by_name (dynobj, ".rela.plt");
+ BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
+
+ addend = 2 * (h->plt.offset & 1);
+ h->plt.offset &= ~1;
+
+ /* Get the index in the procedure linkage table which
+ corresponds to this symbol. This is the index of this symbol
+ in all the symbols for which we are making plt entries. The
+ first entry in the procedure linkage table is reserved. */
+ plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
+
+ /* Get the offset into the .got table of the entry that
+ corresponds to this function. Each .got entry is 4 bytes.
+ The first two are reserved. */
+ got_offset = (plt_index + 3) * 4;
+
+ /* Fill in the entry in the procedure linkage table. */
+ memcpy (splt->contents + h->plt.offset, elf_vax_plt_entry,
+ PLT_ENTRY_SIZE);
+
+ /* The offset is relative to the first extension word. */
+ bfd_put_32 (output_bfd,
+ -(h->plt.offset + 8),
+ splt->contents + h->plt.offset + 4);
+
+ bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
+ splt->contents + h->plt.offset + 8);
+
+ /* Fill in the entry in the global offset table. */
+ bfd_put_32 (output_bfd,
+ (splt->output_section->vma
+ + splt->output_offset
+ + h->plt.offset) + addend,
+ sgot->contents + got_offset);
+
+ /* Fill in the entry in the .rela.plt section. */
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_JMP_SLOT);
+ rela.r_addend = addend;
+ bfd_elf32_swap_reloca_out (output_bfd, &rela,
+ ((Elf32_External_Rela *) srela->contents
+ + plt_index));
+
+ if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ {
+ /* Mark the symbol as undefined, rather than as defined in
+ the .plt section. Leave the value alone. */
+ sym->st_shndx = SHN_UNDEF;
+ }
+ }
+
+ if (h->got.offset != (bfd_vma) -1)
+ {
+ asection *sgot;
+ asection *srela;
+ Elf_Internal_Rela rela;
+
+ /* This symbol has an entry in the global offset table. Set it
+ up. */
+
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ srela = bfd_get_section_by_name (dynobj, ".rela.got");
+ BFD_ASSERT (sgot != NULL && srela != NULL);
+
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + (h->got.offset &~ 1));
+
+ /* If the symbol was forced to be local because of a version file
+ locally we just want to emit a RELATIVE reloc. The entry in
+ the global offset table will already have been initialized in
+ the relocate_section function. */
+ if (info->shared
+ && h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ {
+ rela.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE);
+ }
+ else
+ {
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_GLOB_DAT);
+ }
+ rela.r_addend = bfd_get_signed_32 (output_bfd,
+ (sgot->contents
+ + (h->got.offset & ~1)));
+
+ bfd_elf32_swap_reloca_out (output_bfd, &rela,
+ ((Elf32_External_Rela *) srela->contents
+ + srela->reloc_count));
+ ++srela->reloc_count;
+ }
+
+ if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+ {
+ asection *s;
+ Elf_Internal_Rela rela;
+
+ /* This symbol needs a copy reloc. Set it up. */
+
+ BFD_ASSERT (h->dynindx != -1
+ && (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak));
+
+ s = bfd_get_section_by_name (h->root.u.def.section->owner,
+ ".rela.bss");
+ BFD_ASSERT (s != NULL);
+
+ rela.r_offset = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_COPY);
+ rela.r_addend = 0;
+ bfd_elf32_swap_reloca_out (output_bfd, &rela,
+ ((Elf32_External_Rela *) s->contents
+ + s->reloc_count));
+ ++s->reloc_count;
+ }
+
+ /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
+ if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ sym->st_shndx = SHN_ABS;
+
+ return true;
+}
+
+/* Finish up the dynamic sections. */
+
+static boolean
+elf_vax_finish_dynamic_sections (output_bfd, info)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+{
+ bfd *dynobj;
+ asection *sgot;
+ asection *sdyn;
+
+ dynobj = elf_hash_table (info)->dynobj;
+
+ sgot = bfd_get_section_by_name (dynobj, ".got.plt");
+ BFD_ASSERT (sgot != NULL);
+ sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ asection *splt;
+ Elf32_External_Dyn *dyncon, *dynconend;
+
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL && sdyn != NULL);
+
+ dyncon = (Elf32_External_Dyn *) sdyn->contents;
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ for (; dyncon < dynconend; dyncon++)
+ {
+ Elf_Internal_Dyn dyn;
+ const char *name;
+ asection *s;
+
+ bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
+
+ switch (dyn.d_tag)
+ {
+ default:
+ break;
+
+ case DT_PLTGOT:
+ name = ".got";
+ goto get_vma;
+ case DT_JMPREL:
+ name = ".rela.plt";
+ get_vma:
+ s = bfd_get_section_by_name (output_bfd, name);
+ BFD_ASSERT (s != NULL);
+ dyn.d_un.d_ptr = s->vma;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_PLTRELSZ:
+ s = bfd_get_section_by_name (output_bfd, ".rela.plt");
+ BFD_ASSERT (s != NULL);
+ if (s->_cooked_size != 0)
+ dyn.d_un.d_val = s->_cooked_size;
+ else
+ dyn.d_un.d_val = s->_raw_size;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_RELASZ:
+ /* The procedure linkage table relocs (DT_JMPREL) should
+ not be included in the overall relocs (DT_RELA).
+ Therefore, we override the DT_RELASZ entry here to
+ make it not include the JMPREL relocs. Since the
+ linker script arranges for .rela.plt to follow all
+ other relocation sections, we don't have to worry
+ about changing the DT_RELA entry. */
+ s = bfd_get_section_by_name (output_bfd, ".rela.plt");
+ if (s != NULL)
+ {
+ if (s->_cooked_size != 0)
+ dyn.d_un.d_val -= s->_cooked_size;
+ else
+ dyn.d_un.d_val -= s->_raw_size;
+ }
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+ }
+ }
+
+ /* Fill in the first entry in the procedure linkage table. */
+ if (splt->_raw_size > 0)
+ {
+ memcpy (splt->contents, elf_vax_plt0_entry, PLT_ENTRY_SIZE);
+ bfd_put_32 (output_bfd,
+ (sgot->output_section->vma
+ + sgot->output_offset + 4
+ - (splt->output_section->vma + 6)),
+ splt->contents + 2);
+ bfd_put_32 (output_bfd,
+ (sgot->output_section->vma
+ + sgot->output_offset + 8
+ - (splt->output_section->vma + 12)),
+ splt->contents + 8);
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize
+ = PLT_ENTRY_SIZE;
+ }
+ }
+
+ /* Fill in the first three entries in the global offset table. */
+ if (sgot->_raw_size > 0)
+ {
+ if (sdyn == NULL)
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
+ else
+ bfd_put_32 (output_bfd,
+ sdyn->output_section->vma + sdyn->output_offset,
+ sgot->contents);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
+ }
+
+ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
+
+ return true;
+}
+
+#define TARGET_LITTLE_SYM bfd_elf32_vax_vec
+#define TARGET_LITTLE_NAME "elf32-vax"
+#define ELF_MACHINE_CODE EM_VAX
+#define ELF_MAXPAGESIZE 0x1000
+
+#define elf_backend_create_dynamic_sections \
+ _bfd_elf_create_dynamic_sections
+#define bfd_elf32_bfd_link_hash_table_create \
+ elf_vax_link_hash_table_create
+#define bfd_elf32_bfd_final_link _bfd_elf32_gc_common_final_link
+
+#define elf_backend_check_relocs elf_vax_check_relocs
+#define elf_backend_adjust_dynamic_symbol \
+ elf_vax_adjust_dynamic_symbol
+#define elf_backend_size_dynamic_sections \
+ elf_vax_size_dynamic_sections
+#define elf_backend_relocate_section elf_vax_relocate_section
+#define elf_backend_finish_dynamic_symbol \
+ elf_vax_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections \
+ elf_vax_finish_dynamic_sections
+#define elf_backend_gc_mark_hook elf_vax_gc_mark_hook
+#define elf_backend_gc_sweep_hook elf_vax_gc_sweep_hook
+#define bfd_elf32_bfd_merge_private_bfd_data \
+ elf32_vax_merge_private_bfd_data
+#define bfd_elf32_bfd_set_private_flags \
+ elf32_vax_set_private_flags
+#define bfd_elf32_bfd_print_private_bfd_data \
+ elf32_vax_print_private_bfd_data
+
+#define elf_backend_can_gc_sections 1
+#define elf_backend_want_got_plt 1
+#define elf_backend_plt_readonly 1
+#define elf_backend_want_plt_sym 0
+#define elf_backend_got_header_size 16
+
+#include "elf32-target.h"
Index: reloc.c
===================================================================
RCS file: /cvs/src/src/bfd/reloc.c,v
retrieving revision 1.58
diff -u -r1.58 reloc.c
--- reloc.c 28 May 2002 14:05:18 -0000 1.58
+++ reloc.c 30 May 2002 01:56:32 -0000
@@ -3420,6 +3420,15 @@
ENUMDOC
Sony Xstormy16 Relocations.
+ENUM
+ BFD_RELOC_VAX_GLOB_DAT
+ENUMX
+ BFD_RELOC_VAX_JMP_SLOT
+ENUMX
+ BFD_RELOC_VAX_RELATIVE
+ENUMDOC
+ Relocations used by VAX ELF.
+
ENDSENUM
BFD_RELOC_UNUSED
CODE_FRAGMENT
Index: targets.c
===================================================================
RCS file: /cvs/src/src/bfd/targets.c,v
retrieving revision 1.61
diff -u -r1.61 targets.c
--- targets.c 28 May 2002 14:05:19 -0000 1.61
+++ targets.c 30 May 2002 01:56:33 -0000
@@ -551,6 +551,7 @@
extern const bfd_target bfd_elf32_tradlittlemips_vec;
extern const bfd_target bfd_elf32_us_cris_vec;
extern const bfd_target bfd_elf32_v850_vec;
+extern const bfd_target bfd_elf32_vax_vec;
extern const bfd_target bfd_elf32_xstormy16_vec;
extern const bfd_target bfd_elf64_alpha_vec;
extern const bfd_target bfd_elf64_big_generic_vec;
@@ -804,6 +805,7 @@
&bfd_elf32_tradlittlemips_vec,
&bfd_elf32_us_cris_vec,
&bfd_elf32_v850_vec,
+ &bfd_elf32_vax_vec,
&bfd_elf32_xstormy16_vec,
#ifdef BFD64
&bfd_elf64_alpha_vec,
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