19990502 sourceware importbinu_ss_19990502

1 files changed, 1943 insertions, 0 deletions

diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
new file mode 100644
index 0000000..830c680
--- /dev/null
+++ b/bfd/elf32-i386.c
@@ -0,0 +1,1943 @@
+/* Intel 80386/80486-specific support for 32-bit ELF
+   Copyright 1993-1998, 1999 Free Software Foundation, Inc.
+
+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"
+
+static reloc_howto_type *elf_i386_reloc_type_lookup
+  PARAMS ((bfd *, bfd_reloc_code_real_type));
+static void elf_i386_info_to_howto
+  PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
+static void elf_i386_info_to_howto_rel
+  PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
+static boolean elf_i386_is_local_label_name PARAMS ((bfd *, const char *));
+static struct bfd_hash_entry *elf_i386_link_hash_newfunc
+  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
+static struct bfd_link_hash_table *elf_i386_link_hash_table_create
+  PARAMS ((bfd *));
+static boolean elf_i386_check_relocs
+  PARAMS ((bfd *, struct bfd_link_info *, asection *,
+	   const Elf_Internal_Rela *));
+static boolean elf_i386_adjust_dynamic_symbol
+  PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
+static boolean elf_i386_size_dynamic_sections
+  PARAMS ((bfd *, struct bfd_link_info *));
+static boolean elf_i386_relocate_section
+  PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
+	   Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+static boolean elf_i386_finish_dynamic_symbol
+  PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
+	   Elf_Internal_Sym *));
+static boolean elf_i386_finish_dynamic_sections
+  PARAMS ((bfd *, struct bfd_link_info *));
+
+#define USE_REL	1		/* 386 uses REL relocations instead of RELA */
+
+#include "elf/i386.h"
+
+static reloc_howto_type elf_howto_table[]=
+{
+  HOWTO(R_386_NONE,	 0,0, 0,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_NONE",	    true,0x00000000,0x00000000,false),
+  HOWTO(R_386_32,	 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_32",	    true,0xffffffff,0xffffffff,false),
+  HOWTO(R_386_PC32,	 0,2,32,true, 0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_PC32",	    true,0xffffffff,0xffffffff,true),
+  HOWTO(R_386_GOT32,	 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_GOT32",    true,0xffffffff,0xffffffff,false),
+  HOWTO(R_386_PLT32,	 0,2,32,true,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_PLT32",    true,0xffffffff,0xffffffff,true),
+  HOWTO(R_386_COPY,      0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_COPY",	    true,0xffffffff,0xffffffff,false),
+  HOWTO(R_386_GLOB_DAT,  0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_GLOB_DAT", true,0xffffffff,0xffffffff,false),
+  HOWTO(R_386_JUMP_SLOT, 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_JUMP_SLOT",true,0xffffffff,0xffffffff,false),
+  HOWTO(R_386_RELATIVE,  0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_RELATIVE", true,0xffffffff,0xffffffff,false),
+  HOWTO(R_386_GOTOFF,    0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_GOTOFF",   true,0xffffffff,0xffffffff,false),
+  HOWTO(R_386_GOTPC,     0,2,32,true,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_GOTPC",    true,0xffffffff,0xffffffff,true),
+  { 11 },
+  { 12 },
+  { 13 },
+  { 14 },
+  { 15 },
+  { 16 },
+  { 17 },
+  { 18 },
+  { 19 },
+  /* The remaining relocs are a GNU extension.  */
+  HOWTO(R_386_16,	 0,1,16,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_16",	    true,0xffff,0xffff,false),
+  HOWTO(R_386_PC16,	 0,1,16,true, 0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_PC16",	    true,0xffff,0xffff,true),
+  HOWTO(R_386_8,	 0,0,8,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_8",	    true,0xff,0xff,false),
+  HOWTO(R_386_PC8,	 0,0,8,true, 0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_PC8",	    true,0xff,0xff,true),
+};
+
+/* GNU extension to record C++ vtable hierarchy.  */
+static reloc_howto_type elf32_i386_vtinherit_howto =
+  HOWTO (R_386_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_386_GNU_VTINHERIT",	/* name */
+	 false,			/* partial_inplace */
+	 0,			/* src_mask */
+	 0,			/* dst_mask */
+	 false);
+
+/* GNU extension to record C++ vtable member usage.  */
+static reloc_howto_type elf32_i386_vtentry_howto =
+  HOWTO (R_386_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_386_GNU_VTENTRY",	/* name */
+	 false,			/* partial_inplace */
+	 0,			/* src_mask */
+	 0,			/* dst_mask */
+	 false);
+
+#ifdef DEBUG_GEN_RELOC
+#define TRACE(str) fprintf (stderr, "i386 bfd reloc lookup %d (%s)\n", code, str)
+#else
+#define TRACE(str)
+#endif
+
+static reloc_howto_type *
+elf_i386_reloc_type_lookup (abfd, code)
+     bfd *abfd;
+     bfd_reloc_code_real_type code;
+{
+  switch (code)
+    {
+    case BFD_RELOC_NONE:
+      TRACE ("BFD_RELOC_NONE");
+      return &elf_howto_table[ (int)R_386_NONE ];
+
+    case BFD_RELOC_32:
+      TRACE ("BFD_RELOC_32");
+      return &elf_howto_table[ (int)R_386_32 ];
+
+    case BFD_RELOC_CTOR:
+      TRACE ("BFD_RELOC_CTOR");
+      return &elf_howto_table[ (int)R_386_32 ];
+
+    case BFD_RELOC_32_PCREL:
+      TRACE ("BFD_RELOC_PC32");
+      return &elf_howto_table[ (int)R_386_PC32 ];
+
+    case BFD_RELOC_386_GOT32:
+      TRACE ("BFD_RELOC_386_GOT32");
+      return &elf_howto_table[ (int)R_386_GOT32 ];
+
+    case BFD_RELOC_386_PLT32:
+      TRACE ("BFD_RELOC_386_PLT32");
+      return &elf_howto_table[ (int)R_386_PLT32 ];
+
+    case BFD_RELOC_386_COPY:
+      TRACE ("BFD_RELOC_386_COPY");
+      return &elf_howto_table[ (int)R_386_COPY ];
+
+    case BFD_RELOC_386_GLOB_DAT:
+      TRACE ("BFD_RELOC_386_GLOB_DAT");
+      return &elf_howto_table[ (int)R_386_GLOB_DAT ];
+
+    case BFD_RELOC_386_JUMP_SLOT:
+      TRACE ("BFD_RELOC_386_JUMP_SLOT");
+      return &elf_howto_table[ (int)R_386_JUMP_SLOT ];
+
+    case BFD_RELOC_386_RELATIVE:
+      TRACE ("BFD_RELOC_386_RELATIVE");
+      return &elf_howto_table[ (int)R_386_RELATIVE ];
+
+    case BFD_RELOC_386_GOTOFF:
+      TRACE ("BFD_RELOC_386_GOTOFF");
+      return &elf_howto_table[ (int)R_386_GOTOFF ];
+
+    case BFD_RELOC_386_GOTPC:
+      TRACE ("BFD_RELOC_386_GOTPC");
+      return &elf_howto_table[ (int)R_386_GOTPC ];
+
+      /* The remaining relocs are a GNU extension.  */
+    case BFD_RELOC_16:
+      TRACE ("BFD_RELOC_16");
+      return &elf_howto_table[(int) R_386_16];
+
+    case BFD_RELOC_16_PCREL:
+      TRACE ("BFD_RELOC_16_PCREL");
+      return &elf_howto_table[(int) R_386_PC16];
+
+    case BFD_RELOC_8:
+      TRACE ("BFD_RELOC_8");
+      return &elf_howto_table[(int) R_386_8];
+
+    case BFD_RELOC_8_PCREL:
+      TRACE ("BFD_RELOC_8_PCREL");
+      return &elf_howto_table[(int) R_386_PC8];
+
+    case BFD_RELOC_VTABLE_INHERIT:
+      TRACE ("BFD_RELOC_VTABLE_INHERIT");
+      return &elf32_i386_vtinherit_howto;
+
+    case BFD_RELOC_VTABLE_ENTRY:
+      TRACE ("BFD_RELOC_VTABLE_ENTRY");
+      return &elf32_i386_vtentry_howto;
+
+    default:
+      break;
+    }
+
+  TRACE ("Unknown");
+  return 0;
+}
+
+static void
+elf_i386_info_to_howto (abfd, cache_ptr, dst)
+     bfd		*abfd;
+     arelent		*cache_ptr;
+     Elf32_Internal_Rela *dst;
+{
+  abort ();
+}
+
+static void
+elf_i386_info_to_howto_rel (abfd, cache_ptr, dst)
+     bfd *abfd;
+     arelent *cache_ptr;
+     Elf32_Internal_Rel *dst;
+{
+  enum elf_i386_reloc_type type;
+
+  type = (enum elf_i386_reloc_type) ELF32_R_TYPE (dst->r_info);
+  if (type == R_386_GNU_VTINHERIT)
+    cache_ptr->howto = &elf32_i386_vtinherit_howto;
+  else if (type == R_386_GNU_VTENTRY)
+    cache_ptr->howto = &elf32_i386_vtentry_howto;
+  else
+    {
+      BFD_ASSERT (type < R_386_max);
+      BFD_ASSERT (type < FIRST_INVALID_RELOC || type > LAST_INVALID_RELOC);
+      cache_ptr->howto = &elf_howto_table[(int) type];
+    }
+}
+
+/* Return whether a symbol name implies a local label.  The UnixWare
+   2.1 cc generates temporary symbols that start with .X, so we
+   recognize them here.  FIXME: do other SVR4 compilers also use .X?.
+   If so, we should move the .X recognition into
+   _bfd_elf_is_local_label_name.  */
+
+static boolean
+elf_i386_is_local_label_name (abfd, name)
+     bfd *abfd;
+     const char *name;
+{
+  if (name[0] == '.' && name[1] == 'X')
+    return true;
+
+  return _bfd_elf_is_local_label_name (abfd, name);
+}
+
+/* Functions for the i386 ELF linker.  */
+
+/* The name of the dynamic interpreter.  This is put in the .interp
+   section.  */
+
+#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
+
+/* The size in bytes of an entry in the procedure linkage table.  */
+
+#define PLT_ENTRY_SIZE 16
+
+/* The first entry in an absolute procedure linkage table looks like
+   this.  See the SVR4 ABI i386 supplement to see how this works.  */
+
+static const bfd_byte elf_i386_plt0_entry[PLT_ENTRY_SIZE] =
+{
+  0xff, 0x35,	/* pushl contents of address */
+  0, 0, 0, 0,	/* replaced with address of .got + 4.  */
+  0xff, 0x25,	/* jmp indirect */
+  0, 0, 0, 0,	/* replaced with address of .got + 8.  */
+  0, 0, 0, 0	/* pad out to 16 bytes.  */
+};
+
+/* Subsequent entries in an absolute procedure linkage table look like
+   this.  */
+
+static const bfd_byte elf_i386_plt_entry[PLT_ENTRY_SIZE] =
+{
+  0xff, 0x25,	/* jmp indirect */
+  0, 0, 0, 0,	/* replaced with address of this symbol in .got.  */
+  0x68,		/* pushl immediate */
+  0, 0, 0, 0,	/* replaced with offset into relocation table.  */
+  0xe9,		/* jmp relative */
+  0, 0, 0, 0	/* replaced with offset to start of .plt.  */
+};
+
+/* The first entry in a PIC procedure linkage table look like this.  */
+
+static const bfd_byte elf_i386_pic_plt0_entry[PLT_ENTRY_SIZE] =
+{
+  0xff, 0xb3, 4, 0, 0, 0,	/* pushl 4(%ebx) */
+  0xff, 0xa3, 8, 0, 0, 0,	/* jmp *8(%ebx) */
+  0, 0, 0, 0			/* pad out to 16 bytes.  */
+};
+
+/* Subsequent entries in a PIC procedure linkage table look like this.  */
+
+static const bfd_byte elf_i386_pic_plt_entry[PLT_ENTRY_SIZE] =
+{
+  0xff, 0xa3,	/* jmp *offset(%ebx) */
+  0, 0, 0, 0,	/* replaced with offset of this symbol in .got.  */
+  0x68,		/* pushl immediate */
+  0, 0, 0, 0,	/* replaced with offset into relocation table.  */
+  0xe9,		/* jmp relative */
+  0, 0, 0, 0	/* replaced with offset to start of .plt.  */
+};
+
+/* The i386 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_i386_pcrel_relocs_copied
+{
+  /* Next section.  */
+  struct elf_i386_pcrel_relocs_copied *next;
+  /* A section in dynobj.  */
+  asection *section;
+  /* Number of relocs copied in this section.  */
+  bfd_size_type count;
+};
+
+/* i386 ELF linker hash entry.  */
+
+struct elf_i386_link_hash_entry
+{
+  struct elf_link_hash_entry root;
+
+  /* Number of PC relative relocs copied for this symbol.  */
+  struct elf_i386_pcrel_relocs_copied *pcrel_relocs_copied;
+};
+
+/* i386 ELF linker hash table.  */
+
+struct elf_i386_link_hash_table
+{
+  struct elf_link_hash_table root;
+};
+
+/* Declare this now that the above structures are defined.  */
+
+static boolean elf_i386_discard_copies
+  PARAMS ((struct elf_i386_link_hash_entry *, PTR));
+
+/* Traverse an i386 ELF linker hash table.  */
+
+#define elf_i386_link_hash_traverse(table, func, info)			\
+  (elf_link_hash_traverse						\
+   (&(table)->root,							\
+    (boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func),	\
+    (info)))
+
+/* Get the i386 ELF linker hash table from a link_info structure.  */
+
+#define elf_i386_hash_table(p) \
+  ((struct elf_i386_link_hash_table *) ((p)->hash))
+
+/* Create an entry in an i386 ELF linker hash table.  */
+
+static struct bfd_hash_entry *
+elf_i386_link_hash_newfunc (entry, table, string)
+     struct bfd_hash_entry *entry;
+     struct bfd_hash_table *table;
+     const char *string;
+{
+  struct elf_i386_link_hash_entry *ret =
+    (struct elf_i386_link_hash_entry *) entry;
+
+  /* Allocate the structure if it has not already been allocated by a
+     subclass.  */
+  if (ret == (struct elf_i386_link_hash_entry *) NULL)
+    ret = ((struct elf_i386_link_hash_entry *)
+	   bfd_hash_allocate (table,
+			      sizeof (struct elf_i386_link_hash_entry)));
+  if (ret == (struct elf_i386_link_hash_entry *) NULL)
+    return (struct bfd_hash_entry *) ret;
+
+  /* Call the allocation method of the superclass.  */
+  ret = ((struct elf_i386_link_hash_entry *)
+	 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
+				     table, string));
+  if (ret != (struct elf_i386_link_hash_entry *) NULL)
+    {
+      ret->pcrel_relocs_copied = NULL;
+    }
+
+  return (struct bfd_hash_entry *) ret;
+}
+
+/* Create an i386 ELF linker hash table.  */
+
+static struct bfd_link_hash_table *
+elf_i386_link_hash_table_create (abfd)
+     bfd *abfd;
+{
+  struct elf_i386_link_hash_table *ret;
+
+  ret = ((struct elf_i386_link_hash_table *)
+	 bfd_alloc (abfd, sizeof (struct elf_i386_link_hash_table)));
+  if (ret == (struct elf_i386_link_hash_table *) NULL)
+    return NULL;
+
+  if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
+				       elf_i386_link_hash_newfunc))
+    {
+      bfd_release (abfd, ret);
+      return NULL;
+    }
+
+  return &ret->root.root;
+}
+
+/* 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_i386_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_vma *local_got_offsets;
+  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_offsets = elf_local_got_offsets (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];
+
+      /* Some relocs require a global offset table.  */
+      if (dynobj == NULL)
+	{
+	  switch (ELF32_R_TYPE (rel->r_info))
+	    {
+	    case R_386_GOT32:
+	    case R_386_GOTOFF:
+	    case R_386_GOTPC:
+	      elf_hash_table (info)->dynobj = dynobj = abfd;
+	      if (! _bfd_elf_create_got_section (dynobj, info))
+		return false;
+	      break;
+
+	    default:
+	      break;
+	    }
+	}
+
+      switch (ELF32_R_TYPE (rel->r_info))
+	{
+	case R_386_GOT32:
+	  /* This symbol requires a global offset table entry.  */
+
+	  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, ".rel.got");
+	      if (srelgot == NULL)
+		{
+		  srelgot = bfd_make_section (dynobj, ".rel.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)
+	    {
+	      if (h->got.offset != (bfd_vma) -1)
+		{
+		  /* We have already allocated space in the .got.  */
+		  break;
+		}
+	      h->got.offset = sgot->_raw_size;
+
+	      /* 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;
+		}
+
+	      srelgot->_raw_size += sizeof (Elf32_External_Rel);
+	    }
+	  else
+	    {
+     	      /* This is a global offset table entry for a local
+                 symbol.  */
+	      if (local_got_offsets == NULL)
+		{
+		  size_t size;
+		  register unsigned int i;
+
+		  size = symtab_hdr->sh_info * sizeof (bfd_vma);
+		  local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
+		  if (local_got_offsets == NULL)
+		    return false;
+		  elf_local_got_offsets (abfd) = local_got_offsets;
+		  for (i = 0; i < symtab_hdr->sh_info; i++)
+		    local_got_offsets[i] = (bfd_vma) -1;
+		}
+	      if (local_got_offsets[r_symndx] != (bfd_vma) -1)
+		{
+		  /* We have already allocated space in the .got.  */
+		  break;
+		}
+	      local_got_offsets[r_symndx] = sgot->_raw_size;
+
+	      if (info->shared)
+		{
+		  /* If we are generating a shared object, we need to
+                     output a R_386_RELATIVE reloc so that the dynamic
+                     linker can adjust this GOT entry.  */
+		  srelgot->_raw_size += sizeof (Elf32_External_Rel);
+		}
+	    }
+
+	  sgot->_raw_size += 4;
+
+	  break;
+
+	case R_386_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;
+
+	  break;
+
+	case R_386_32:
+	case R_386_PC32:
+	  /* If we are creating a shared library, and this is a reloc
+             against a global symbol, or a non PC relative reloc
+             against a local symbol, then we need to copy the reloc
+             into the shared library.  However, if we are linking with
+             -Bsymbolic, we do not need to copy a reloc against a
+             global symbol which is defined in an object we are
+             including in the link (i.e., DEF_REGULAR is set).  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
+	      && (ELF32_R_TYPE (rel->r_info) != R_386_PC32
+		  || (h != NULL
+		      && (! info->symbolic
+			  || (h->elf_link_hash_flags
+			      & ELF_LINK_HASH_DEF_REGULAR) == 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, ".rel", 4) == 0
+			      && strcmp (bfd_get_section_name (abfd, sec),
+					 name + 4) == 0);
+
+		  sreloc = bfd_get_section_by_name (dynobj, name);
+		  if (sreloc == NULL)
+		    {
+		      flagword flags;
+
+		      sreloc = bfd_make_section (dynobj, name);
+		      flags = (SEC_HAS_CONTENTS | SEC_READONLY
+			       | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+		      if ((sec->flags & SEC_ALLOC) != 0)
+			flags |= SEC_ALLOC | SEC_LOAD;
+		      if (sreloc == NULL
+			  || ! bfd_set_section_flags (dynobj, sreloc, flags)
+			  || ! bfd_set_section_alignment (dynobj, sreloc, 2))
+			return false;
+		    }
+		}
+
+	      sreloc->_raw_size += sizeof (Elf32_External_Rel);
+
+	      /* If we are linking with -Bsymbolic, and this is a
+                 global symbol, 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 elf_i386 linker
+                 hash table, which means that h is really a pointer to
+                 an elf_i386_link_hash_entry.  */
+	      if (h != NULL && info->symbolic
+		  && ELF32_R_TYPE (rel->r_info) == R_386_PC32)
+		{
+		  struct elf_i386_link_hash_entry *eh;
+		  struct elf_i386_pcrel_relocs_copied *p;
+
+		  eh = (struct elf_i386_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_i386_pcrel_relocs_copied *)
+			   bfd_alloc (dynobj, 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_386_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_386_GNU_VTENTRY:
+	  if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset))
+	    return false;
+	  break;
+
+	default:
+	  break;
+	}
+    }
+
+  return true;
+}
+
+/* Return the section that should be marked against GC for a given
+   relocation.  */
+
+static asection *
+elf_i386_gc_mark_hook (abfd, info, rel, h, sym)
+     bfd *abfd;
+     struct bfd_link_info *info;
+     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_386_GNU_VTINHERIT:
+	case R_386_GNU_VTENTRY:
+	  break;
+
+	default:
+	  switch (h->root.type)
+	    {
+	    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;
+
+	    default:
+	      break;
+	    }
+	}
+    }
+  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_i386_gc_sweep_hook (abfd, info, sec, relocs)
+     bfd *abfd;
+     struct bfd_link_info *info;
+     asection *sec;
+     const Elf_Internal_Rela *relocs;
+{
+  /* ??? It would seem that the existing i386 code does no sort
+     of reference counting or whatnot on its GOT and PLT entries,
+     so it is not possible to garbage collect them at this time.  */
+
+  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_i386_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)
+	{
+	  /* This case can occur if we saw a PLT32 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 PC32
+             reloc instead.  */
+	  BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
+	  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 .rel.plt section.  */
+
+      s = bfd_get_section_by_name (dynobj, ".rel.plt");
+      BFD_ASSERT (s != NULL);
+      s->_raw_size += sizeof (Elf32_External_Rel);
+
+      return true;
+    }
+
+  /* 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_386_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
+     .rel.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, ".rel.bss");
+      BFD_ASSERT (srel != NULL);
+      srel->_raw_size += sizeof (Elf32_External_Rel);
+      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_i386_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 .rel.got section.
+         However, if we are not creating the dynamic sections, we will
+         not actually use these entries.  Reset the size of .rel.got,
+         which will cause it to get stripped from the output file
+         below.  */
+      s = bfd_get_section_by_name (dynobj, ".rel.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_i386_link_hash_traverse (elf_i386_hash_table (info),
+				 elf_i386_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, ".rel", 4) == 0)
+	{
+	  if (s->_raw_size == 0)
+	    {
+	      /* If we don't need this section, strip it from the
+		 output file.  This is mostly to handle .rel.bss and
+		 .rel.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 .rel.plt.  */
+	      if (strcmp (name, ".rel.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.  The entries in the .rel.plt section
+		     really apply to the .got section, which we
+		     created ourselves and so know is not readonly.  */
+		  outname = bfd_get_section_name (output_bfd,
+						  s->output_section);
+		  target = bfd_get_section_by_name (output_bfd, outname + 4);
+		  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 (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_i386_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.  */
+      if (! info->shared)
+	{
+	  if (! bfd_elf32_add_dynamic_entry (info, DT_DEBUG, 0))
+	    return false;
+	}
+
+      if (plt)
+	{
+	  if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0)
+	      || ! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
+	      || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_REL)
+	      || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0))
+	    return false;
+	}
+
+      if (relocs)
+	{
+	  if (! bfd_elf32_add_dynamic_entry (info, DT_REL, 0)
+	      || ! bfd_elf32_add_dynamic_entry (info, DT_RELSZ, 0)
+	      || ! bfd_elf32_add_dynamic_entry (info, DT_RELENT,
+						sizeof (Elf32_External_Rel)))
+	    return false;
+	}
+
+      if (reltext)
+	{
+	  if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
+	    return false;
+	}
+    }
+
+  return true;
+}
+
+/* This function is called via elf_i386_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_i386_discard_copies (h, ignore)
+     struct elf_i386_link_hash_entry *h;
+     PTR ignore;
+{
+  struct elf_i386_pcrel_relocs_copied *s;
+
+  /* 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_Rel);
+
+  return true;
+}
+
+/* Relocate an i386 ELF section.  */
+
+static boolean
+elf_i386_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;
+  asection *sgot;
+  asection *splt;
+  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;
+  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 == R_386_GNU_VTINHERIT
+	  || r_type == R_386_GNU_VTENTRY)
+	continue;
+      if (r_type < 0
+	  || r_type >= (int) R_386_max
+	  || (r_type >= (int) FIRST_INVALID_RELOC
+	      && r_type <= (int) LAST_INVALID_RELOC))
+	{
+	  bfd_set_error (bfd_error_bad_value);
+	  return false;
+	}
+      howto = elf_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)
+		{
+		  bfd_vma val;
+
+		  sec = local_sections[r_symndx];
+		  val = bfd_get_32 (input_bfd, contents + rel->r_offset);
+		  val += sec->output_offset + sym->st_value;
+		  bfd_put_32 (input_bfd, val, contents + rel->r_offset);
+		}
+	    }
+
+	  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 = (sec->output_section->vma
+			+ sec->output_offset
+			+ sym->st_value);
+	}
+      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_386_GOTPC
+		  || (r_type == R_386_PLT32
+		      && h->plt.offset != (bfd_vma) -1)
+		  || (r_type == R_386_GOT32
+		      && 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)
+		      && (r_type == R_386_32
+			  || r_type == R_386_PC32)
+		      && ((input_section->flags & SEC_ALLOC) != 0
+			  /* DWARF will emit R_386_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)))
+		{
+		  /* 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 if (sec->output_section == NULL)
+		{
+		  (*_bfd_error_handler)
+		    (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"),
+		     bfd_get_filename (input_bfd), h->root.root.string,
+		     bfd_get_section_name (input_bfd, input_section));
+		  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->no_undefined)
+	    relocation = 0;
+	  else
+	    {
+	      if (! ((*info->callbacks->undefined_symbol)
+		     (info, h->root.root.string, input_bfd,
+		      input_section, rel->r_offset)))
+		return false;
+	      relocation = 0;
+	    }
+	}
+
+      switch (r_type)
+	{
+	case R_386_GOT32:
+	  /* Relocation is to the entry for this symbol in the global
+	     offset table.  */
+	  if (sgot == NULL)
+	    {
+	      sgot = bfd_get_section_by_name (dynobj, ".got");
+	      BFD_ASSERT (sgot != NULL);
+	    }
+
+	  if (h != NULL)
+	    {
+	      bfd_vma off;
+
+	      off = h->got.offset;
+	      BFD_ASSERT (off != (bfd_vma) -1);
+
+	      if (! elf_hash_table (info)->dynamic_sections_created
+		  || (info->shared
+		      && (info->symbolic || h->dynindx == -1)
+		      && (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 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 .rel.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,
+				  sgot->contents + off);
+		      h->got.offset |= 1;
+		    }
+		}
+
+	      relocation = sgot->output_offset + off;
+	    }
+	  else
+	    {
+	      bfd_vma off;
+
+	      BFD_ASSERT (local_got_offsets != NULL
+			  && local_got_offsets[r_symndx] != (bfd_vma) -1);
+
+	      off = local_got_offsets[r_symndx];
+
+	      /* The offset must always be a multiple of 4.  We use
+                 the least significant bit to record whether we have
+                 already generated the necessary reloc.  */
+	      if ((off & 1) != 0)
+		off &= ~1;
+	      else
+		{
+		  bfd_put_32 (output_bfd, relocation, sgot->contents + off);
+
+		  if (info->shared)
+		    {
+		      asection *srelgot;
+		      Elf_Internal_Rel outrel;
+
+		      srelgot = bfd_get_section_by_name (dynobj, ".rel.got");
+		      BFD_ASSERT (srelgot != NULL);
+
+		      outrel.r_offset = (sgot->output_section->vma
+					 + sgot->output_offset
+					 + off);
+		      outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
+		      bfd_elf32_swap_reloc_out (output_bfd, &outrel,
+						(((Elf32_External_Rel *)
+						  srelgot->contents)
+						 + srelgot->reloc_count));
+		      ++srelgot->reloc_count;
+		    }
+
+		  local_got_offsets[r_symndx] |= 1;
+		}
+
+	      relocation = sgot->output_offset + off;
+	    }
+
+	  break;
+
+	case R_386_GOTOFF:
+	  /* Relocation is relative to the start of the global offset
+	     table.  */
+
+	  if (sgot == NULL)
+	    {
+	      sgot = bfd_get_section_by_name (dynobj, ".got");
+	      BFD_ASSERT (sgot != NULL);
+	    }
+
+	  /* Note that sgot->output_offset is not involved in this
+	     calculation.  We always want the start of .got.  If we
+	     defined _GLOBAL_OFFSET_TABLE in a different way, as is
+	     permitted by the ABI, we might have to change this
+	     calculation.  */
+	  relocation -= sgot->output_section->vma;
+
+	  break;
+
+	case R_386_GOTPC:
+	  /* Use global offset table as symbol value.  */
+
+	  if (sgot == NULL)
+	    {
+	      sgot = bfd_get_section_by_name (dynobj, ".got");
+	      BFD_ASSERT (sgot != NULL);
+	    }
+
+	  relocation = sgot->output_section->vma;
+
+	  break;
+
+	case R_386_PLT32:
+	  /* Relocation is to the entry for this symbol in the
+	     procedure linkage table.  */
+
+	  /* Resolve a PLT32 reloc again a local symbol directly,
+             without using the procedure linkage table.  */
+	  if (h == NULL)
+	    break;
+
+	  if (h->plt.offset == (bfd_vma) -1)
+	    {
+	      /* 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);
+	    }
+
+	  relocation = (splt->output_section->vma
+			+ splt->output_offset
+			+ h->plt.offset);
+
+	  break;
+
+	case R_386_32:
+	case R_386_PC32:
+	  if (info->shared
+	      && (input_section->flags & SEC_ALLOC) != 0
+	      && (r_type != R_386_PC32
+		  || (h != NULL
+		      && h->dynindx != -1
+		      && (! info->symbolic
+			  || (h->elf_link_hash_flags
+			      & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+	    {
+	      Elf_Internal_Rel 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, ".rel", 4) == 0
+			      && strcmp (bfd_get_section_name (input_bfd,
+							       input_section),
+					 name + 4) == 0);
+
+		  sreloc = bfd_get_section_by_name (dynobj, name);
+		  BFD_ASSERT (sreloc != NULL);
+		}
+
+	      skip = false;
+
+	      if (elf_section_data (input_section)->stab_info == NULL)
+		outrel.r_offset = rel->r_offset;
+	      else
+		{
+		  bfd_vma off;
+
+		  off = (_bfd_stab_section_offset
+			 (output_bfd, &elf_hash_table (info)->stab_info,
+			  input_section,
+			  &elf_section_data (input_section)->stab_info,
+			  rel->r_offset));
+		  if (off == (bfd_vma) -1)
+		    skip = true;
+		  outrel.r_offset = off;
+		}
+
+	      outrel.r_offset += (input_section->output_section->vma
+				  + input_section->output_offset);
+
+	      if (skip)
+		{
+		  memset (&outrel, 0, sizeof outrel);
+		  relocate = false;
+		}
+	      else if (r_type == R_386_PC32)
+		{
+		  BFD_ASSERT (h != NULL && h->dynindx != -1);
+		  relocate = false;
+		  outrel.r_info = ELF32_R_INFO (h->dynindx, R_386_PC32);
+		}
+	      else
+		{
+		  /* h->dynindx may be -1 if this symbol was marked to
+                     become local.  */
+		  if (h == NULL
+		      || ((info->symbolic || h->dynindx == -1)
+			  && (h->elf_link_hash_flags
+			      & ELF_LINK_HASH_DEF_REGULAR) != 0))
+		    {
+		      relocate = true;
+		      outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
+		    }
+		  else
+		    {
+		      BFD_ASSERT (h->dynindx != -1);
+		      relocate = false;
+		      outrel.r_info = ELF32_R_INFO (h->dynindx, R_386_32);
+		    }
+		}
+
+	      bfd_elf32_swap_reloc_out (output_bfd, &outrel,
+					(((Elf32_External_Rel *)
+					  sreloc->contents)
+					 + sreloc->reloc_count));
+	      ++sreloc->reloc_count;
+
+	      /* If this reloc is against an external symbol, we do
+		 not want to fiddle with the addend.  Otherwise, we
+		 need to include the symbol value so that it becomes
+		 an addend for the dynamic reloc.  */
+	      if (! relocate)
+		continue;
+	    }
+
+	  break;
+
+	default:
+	  break;
+	}
+
+      r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+				    contents, rel->r_offset,
+				    relocation, (bfd_vma) 0);
+
+      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_i386_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 *srel;
+      bfd_vma plt_index;
+      bfd_vma got_offset;
+      Elf_Internal_Rel rel;
+
+      /* 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");
+      srel = bfd_get_section_by_name (dynobj, ".rel.plt");
+      BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
+
+      /* 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 three are reserved.  */
+      got_offset = (plt_index + 3) * 4;
+
+      /* Fill in the entry in the procedure linkage table.  */
+      if (! info->shared)
+	{
+	  memcpy (splt->contents + h->plt.offset, elf_i386_plt_entry,
+		  PLT_ENTRY_SIZE);
+	  bfd_put_32 (output_bfd,
+		      (sgot->output_section->vma
+		       + sgot->output_offset
+		       + got_offset),
+		      splt->contents + h->plt.offset + 2);
+	}
+      else
+	{
+	  memcpy (splt->contents + h->plt.offset, elf_i386_pic_plt_entry,
+		  PLT_ENTRY_SIZE);
+	  bfd_put_32 (output_bfd, got_offset,
+		      splt->contents + h->plt.offset + 2);
+	}
+
+      bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rel),
+		  splt->contents + h->plt.offset + 7);
+      bfd_put_32 (output_bfd, - (h->plt.offset + PLT_ENTRY_SIZE),
+		  splt->contents + h->plt.offset + 12);
+
+      /* Fill in the entry in the global offset table.  */
+      bfd_put_32 (output_bfd,
+		  (splt->output_section->vma
+		   + splt->output_offset
+		   + h->plt.offset
+		   + 6),
+		  sgot->contents + got_offset);
+
+      /* Fill in the entry in the .rel.plt section.  */
+      rel.r_offset = (sgot->output_section->vma
+		      + sgot->output_offset
+		      + got_offset);
+      rel.r_info = ELF32_R_INFO (h->dynindx, R_386_JUMP_SLOT);
+      bfd_elf32_swap_reloc_out (output_bfd, &rel,
+				((Elf32_External_Rel *) srel->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 *srel;
+      Elf_Internal_Rel rel;
+
+      /* This symbol has an entry in the global offset table.  Set it
+	 up.  */
+
+      sgot = bfd_get_section_by_name (dynobj, ".got");
+      srel = bfd_get_section_by_name (dynobj, ".rel.got");
+      BFD_ASSERT (sgot != NULL && srel != NULL);
+
+      rel.r_offset = (sgot->output_section->vma
+		      + sgot->output_offset
+		      + (h->got.offset &~ 1));
+
+      /* If this is a -Bsymbolic link, and the symbol is defined
+	 locally, we just want to emit a RELATIVE reloc.  Likewise if
+	 the symbol was forced to be local because of a version file.
+	 The entry in the global offset table will already have been
+	 initialized in the relocate_section function.  */
+      if (info->shared
+	  && (info->symbolic || h->dynindx == -1)
+	  && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+	rel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
+      else
+	{
+	  bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
+	  rel.r_info = ELF32_R_INFO (h->dynindx, R_386_GLOB_DAT);
+	}
+
+      bfd_elf32_swap_reloc_out (output_bfd, &rel,
+				((Elf32_External_Rel *) srel->contents
+				 + srel->reloc_count));
+      ++srel->reloc_count;
+    }
+
+  if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+    {
+      asection *s;
+      Elf_Internal_Rel rel;
+
+      /* 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,
+				   ".rel.bss");
+      BFD_ASSERT (s != NULL);
+
+      rel.r_offset = (h->root.u.def.value
+		      + h->root.u.def.section->output_section->vma
+		      + h->root.u.def.section->output_offset);
+      rel.r_info = ELF32_R_INFO (h->dynindx, R_386_COPY);
+      bfd_elf32_swap_reloc_out (output_bfd, &rel,
+				((Elf32_External_Rel *) 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_i386_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;
+
+      BFD_ASSERT (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 = ".rel.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, ".rel.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_RELSZ:
+	      /* My reading of the SVR4 ABI indicates that the
+		 procedure linkage table relocs (DT_JMPREL) should be
+		 included in the overall relocs (DT_REL).  This is
+		 what Solaris does.  However, UnixWare can not handle
+		 that case.  Therefore, we override the DT_RELSZ entry
+		 here to make it not include the JMPREL relocs.  Since
+		 the linker script arranges for .rel.plt to follow all
+		 other relocation sections, we don't have to worry
+		 about changing the DT_REL entry.  */
+	      s = bfd_get_section_by_name (output_bfd, ".rel.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.  */
+      splt = bfd_get_section_by_name (dynobj, ".plt");
+      if (splt && splt->_raw_size > 0)
+	{
+	  if (info->shared)
+	    memcpy (splt->contents, elf_i386_pic_plt0_entry, PLT_ENTRY_SIZE);
+	  else
+	    {
+	      memcpy (splt->contents, elf_i386_plt0_entry, PLT_ENTRY_SIZE);
+	      bfd_put_32 (output_bfd,
+			  sgot->output_section->vma + sgot->output_offset + 4,
+			  splt->contents + 2);
+	      bfd_put_32 (output_bfd,
+			  sgot->output_section->vma + sgot->output_offset + 8,
+			  splt->contents + 8);
+	    }
+
+	  /* UnixWare sets the entsize of .plt to 4, although that doesn't
+	     really seem like the right value.  */
+	  elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
+	}
+    }
+
+  /* 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_i386_vec
+#define TARGET_LITTLE_NAME		"elf32-i386"
+#define ELF_ARCH			bfd_arch_i386
+#define ELF_MACHINE_CODE		EM_386
+#define ELF_MAXPAGESIZE			0x1000
+#define elf_info_to_howto		elf_i386_info_to_howto
+#define elf_info_to_howto_rel		elf_i386_info_to_howto_rel
+#define bfd_elf32_bfd_reloc_type_lookup	elf_i386_reloc_type_lookup
+#define bfd_elf32_bfd_is_local_label_name \
+					elf_i386_is_local_label_name
+#define elf_backend_create_dynamic_sections \
+					_bfd_elf_create_dynamic_sections
+#define bfd_elf32_bfd_link_hash_table_create \
+					elf_i386_link_hash_table_create
+#define elf_backend_check_relocs	elf_i386_check_relocs
+#define elf_backend_adjust_dynamic_symbol \
+					elf_i386_adjust_dynamic_symbol
+#define elf_backend_size_dynamic_sections \
+					elf_i386_size_dynamic_sections
+#define elf_backend_relocate_section	elf_i386_relocate_section
+#define elf_backend_finish_dynamic_symbol \
+					elf_i386_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections \
+					elf_i386_finish_dynamic_sections
+#define elf_backend_gc_mark_hook	elf_i386_gc_mark_hook
+#define elf_backend_gc_sweep_hook	elf_i386_gc_sweep_hook
+
+#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	12
+#define elf_backend_plt_header_size	PLT_ENTRY_SIZE
+
+#include "elf32-target.h"