19990502 sourceware importbinu_ss_19990502

1 files changed, 811 insertions, 0 deletions

diff --git a/bfd/elf32-fr30.c b/bfd/elf32-fr30.c
new file mode 100644
index 0000000..7c8725f
--- /dev/null
+++ b/bfd/elf32-fr30.c
@@ -0,0 +1,811 @@
+/* FR30-specific support for 32-bit ELF.
+   Copyright (C) 1998 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 "libbfd.h"
+#include "elf-bfd.h"
+#include "elf/fr30.h"
+
+/* Forward declarations.  */
+static bfd_reloc_status_type fr30_elf_i20_reloc
+  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type fr30_elf_i32_reloc
+  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static reloc_howto_type * fr30_reloc_type_lookup
+  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
+static void fr30_info_to_howto_rela 
+  PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
+static boolean fr30_elf_relocate_section 
+  PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+static bfd_reloc_status_type fr30_final_link_relocate
+  PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, bfd_vma));
+static boolean fr30_elf_gc_sweep_hook
+  PARAMS ((bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *));
+static asection * fr30_elf_gc_mark_hook
+  PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *, struct elf_link_hash_entry *, Elf_Internal_Sym *));
+
+static reloc_howto_type fr30_elf_howto_table [] =
+{
+  /* This reloc does nothing.  */
+  HOWTO (R_FR30_NONE,		/* 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_FR30_NONE",		/* name */
+	 false,			/* partial_inplace */
+	 0,			/* src_mask */
+	 0,			/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* An 8 bit absolute relocation.  */
+  HOWTO (R_FR30_8,		/* type */
+	 0,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 8,			/* bitsize */
+	 false,			/* pc_relative */
+	 4,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_FR30_8",		/* name */
+	 true,			/* partial_inplace */
+	 0x0000,		/* src_mask */
+	 0x0ff0,		/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* A 20 bit absolute relocation.  */
+  HOWTO (R_FR30_20,		/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 20,			/* bitsize */
+	 false,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 fr30_elf_i20_reloc,	/* special_function */
+	 "R_FR30_20",		/* name */
+	 true,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0x00f0ffff,		/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* A 32 bit absolute relocation.  */
+  HOWTO (R_FR30_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_FR30_32",		/* name */
+	 true,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0xffffffff,		/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* A 32 bit into 48 bits absolute relocation.  */
+  HOWTO (R_FR30_48,		/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 32,			/* bitsize */
+	 false,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 fr30_elf_i32_reloc,	/* special_function */
+	 "R_FR30_48",		/* name */
+	 true,			/* partial_inplace */
+	 0x00000000,		/* src_mask */
+	 0xffffffff,		/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* A 6 bit absolute relocation.  */
+  HOWTO (R_FR30_6_IN_4,		/* type */
+	 2,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 6,			/* bitsize */
+	 false,			/* pc_relative */
+	 4,			/* bitpos */
+	 complain_overflow_unsigned, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_FR30_6_IN_4",	/* name */
+	 true,			/* partial_inplace */
+	 0x0000,		/* src_mask */
+	 0x00f0,		/* dst_mask */
+	 false),		/* pcrel_offset */
+  
+  /* An 8 bit absolute relocation.  */
+  HOWTO (R_FR30_8_IN_8,		/* type */
+	 0,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 8,			/* bitsize */
+	 false,			/* pc_relative */
+	 4,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,/* special_function */
+	 "R_FR30_8_IN_8",	/* name */
+	 true,			/* partial_inplace */
+	 0x0000,		/* src_mask */
+	 0x0ff0,		/* dst_mask */
+	 false),		/* pcrel_offset */
+  
+  /* A 9 bit absolute relocation.  */
+  HOWTO (R_FR30_9_IN_8,		/* type */
+	 1,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 9,			/* bitsize */
+	 false,			/* pc_relative */
+	 4,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,/* special_function */
+	 "R_FR30_9_IN_8",	/* name */
+	 true,			/* partial_inplace */
+	 0x0000,		/* src_mask */
+	 0x0ff0,		/* dst_mask */
+	 false),		/* pcrel_offset */
+  
+  /* A 10 bit absolute relocation.  */
+  HOWTO (R_FR30_10_IN_8,	/* type */
+	 2,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 10,			/* bitsize */
+	 false,			/* pc_relative */
+	 4,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,/* special_function */
+	 "R_FR30_10_IN_8",	/* name */
+	 true,			/* partial_inplace */
+	 0x0000,		/* src_mask */
+	 0x0ff0,		/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* A PC relative 9 bit relocation, right shifted by 1.  */
+  HOWTO (R_FR30_9_PCREL,	/* type */
+	 1,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 9,			/* bitsize */
+	 true,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 bfd_elf_generic_reloc, /* special_function */
+	 "R_FR30_9_PCREL",	/* name */
+	 false,			/* partial_inplace */
+	 0x0000,		/* src_mask */
+	 0x00ff,		/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* A PC relative 12 bit relocation, right shifted by 1.  */
+  HOWTO (R_FR30_12_PCREL,	/* type */
+	 1,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 12,			/* bitsize */
+	 true,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 bfd_elf_generic_reloc, /* special_function */
+	 "R_FR30_12_PCREL",	/* name */
+	 false,			/* partial_inplace */
+	 0x0000,		/* src_mask */
+	 0x07ff,		/* dst_mask */
+	 false),		/* pcrel_offset */
+  /* GNU extension to record C++ vtable hierarchy */
+  HOWTO (R_FR30_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_FR30_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_FR30_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_FR30_GNU_VTENTRY",   /* name */
+         false,                 /* partial_inplace */
+         0,                     /* src_mask */
+         0,                     /* dst_mask */
+         false),                /* pcrel_offset */
+ 
+};
+
+/* Utility to actually perform an R_FR30_20 reloc.  */
+
+static bfd_reloc_status_type
+fr30_elf_i20_reloc (abfd, reloc_entry, symbol, data,
+		    input_section, output_bfd, error_message)
+     bfd *      abfd;
+     arelent *  reloc_entry;
+     asymbol *  symbol;
+     PTR        data;
+     asection * input_section;
+     bfd *      output_bfd;
+     char **    error_message;
+{
+  bfd_vma       relocation;
+  unsigned long x;
+  
+  /* This part is from bfd_elf_generic_reloc.  */
+  if (output_bfd != (bfd *) NULL
+      && (symbol->flags & BSF_SECTION_SYM) == 0
+      && (! reloc_entry->howto->partial_inplace
+	  || reloc_entry->addend == 0))
+    {
+      reloc_entry->address += input_section->output_offset;
+      return bfd_reloc_ok;
+    }
+
+  if (output_bfd != NULL)
+    /* FIXME: See bfd_perform_relocation.  Is this right?  */
+    return bfd_reloc_ok;
+
+  relocation =
+    symbol->value
+    + symbol->section->output_section->vma
+    + symbol->section->output_offset
+    + reloc_entry->addend;
+
+  if (relocation > ((1U << 20) - 1))
+    return bfd_reloc_overflow;
+
+  x = bfd_get_32 (abfd, data + reloc_entry->address);
+  x = (x & 0xff0f0000) | (relocation & 0x0000ffff) | ((relocation & 0x000f0000) << 4);
+  bfd_put_32 (abfd, x, data + reloc_entry->address);
+
+  return bfd_reloc_ok;
+}
+
+
+/* Utility to actually perform a R_FR30_48 reloc.  */
+
+static bfd_reloc_status_type
+fr30_elf_i32_reloc (abfd, reloc_entry, symbol, data,
+		    input_section, output_bfd, error_message)
+     bfd *      abfd;
+     arelent *  reloc_entry;
+     asymbol *  symbol;
+     PTR        data;
+     asection * input_section;
+     bfd *      output_bfd;
+     char **    error_message;
+{
+  bfd_vma       relocation;
+
+  /* This part is from bfd_elf_generic_reloc.  */
+  if (output_bfd != (bfd *) NULL
+      && (symbol->flags & BSF_SECTION_SYM) == 0
+      && (! reloc_entry->howto->partial_inplace
+	  || reloc_entry->addend == 0))
+    {
+      reloc_entry->address += input_section->output_offset;
+      return bfd_reloc_ok;
+    }
+
+  if (output_bfd != NULL)
+    /* FIXME: See bfd_perform_relocation.  Is this right?  */
+    return bfd_reloc_ok;
+
+  relocation =
+    symbol->value
+    + symbol->section->output_section->vma
+    + symbol->section->output_offset
+    + reloc_entry->addend;
+
+  bfd_put_32 (abfd, relocation, data + reloc_entry->address + 2);
+
+  return bfd_reloc_ok;
+}
+
+/* Map BFD reloc types to FR30 ELF reloc types.  */
+
+struct fr30_reloc_map
+{
+  bfd_reloc_code_real_type bfd_reloc_val;
+  unsigned int fr30_reloc_val;
+};
+
+static const struct fr30_reloc_map fr30_reloc_map [] =
+{
+  { BFD_RELOC_NONE,           R_FR30_NONE },
+  { BFD_RELOC_8,              R_FR30_8 },
+  { BFD_RELOC_FR30_20,        R_FR30_20 },
+  { BFD_RELOC_32,             R_FR30_32 },
+  { BFD_RELOC_FR30_48,        R_FR30_48 },
+  { BFD_RELOC_FR30_6_IN_4,    R_FR30_6_IN_4 },
+  { BFD_RELOC_FR30_8_IN_8,    R_FR30_8_IN_8 },
+  { BFD_RELOC_FR30_9_IN_8,    R_FR30_9_IN_8 },
+  { BFD_RELOC_FR30_10_IN_8,   R_FR30_10_IN_8 },
+  { BFD_RELOC_FR30_9_PCREL,   R_FR30_9_PCREL },
+  { BFD_RELOC_FR30_12_PCREL,  R_FR30_12_PCREL },
+  { BFD_RELOC_VTABLE_INHERIT, R_FR30_GNU_VTINHERIT },
+  { BFD_RELOC_VTABLE_ENTRY,   R_FR30_GNU_VTENTRY },
+};
+
+static reloc_howto_type *
+fr30_reloc_type_lookup (abfd, code)
+     bfd * abfd;
+     bfd_reloc_code_real_type code;
+{
+  unsigned int i;
+
+  for (i = sizeof (fr30_reloc_map) / sizeof (fr30_reloc_map[0]);
+       --i;)
+    if (fr30_reloc_map [i].bfd_reloc_val == code)
+      return & fr30_elf_howto_table [fr30_reloc_map[i].fr30_reloc_val];
+  
+  return NULL;
+}
+
+/* Set the howto pointer for an FR30 ELF reloc.  */
+
+static void
+fr30_info_to_howto_rela (abfd, cache_ptr, dst)
+     bfd * abfd;
+     arelent * cache_ptr;
+     Elf32_Internal_Rela * dst;
+{
+  unsigned int r_type;
+
+  r_type = ELF32_R_TYPE (dst->r_info);
+  BFD_ASSERT (r_type < (unsigned int) R_FR30_max);
+  cache_ptr->howto = & fr30_elf_howto_table [r_type];
+}
+
+/* Perform a single relocation.  By default we use the standard BFD
+   routines, but a few relocs, we have to do them ourselves.  */
+
+static bfd_reloc_status_type
+fr30_final_link_relocate (howto, input_bfd, input_section, contents, rel, relocation)
+     reloc_howto_type *  howto;
+     bfd *               input_bfd;
+     asection *          input_section;
+     bfd_byte *          contents;
+     Elf_Internal_Rela * rel;
+     bfd_vma             relocation;
+{
+  bfd_reloc_status_type r = bfd_reloc_ok;
+  bfd_vma               x;
+  bfd_signed_vma	srel;
+  
+  switch (howto->type)
+    {
+    case R_FR30_20:
+      contents   += rel->r_offset;
+      relocation += rel->r_addend;
+
+      if (relocation > ((1 << 20) - 1))
+	return bfd_reloc_overflow;
+      
+      x = bfd_get_32 (input_bfd, contents);
+      x = (x & 0xff0f0000) | (relocation & 0x0000ffff) | ((relocation & 0x000f0000) << 4);
+      bfd_put_32 (input_bfd, x, contents);
+      break;
+      
+    case R_FR30_48:
+      contents   += rel->r_offset + 2;
+      relocation += rel->r_addend;
+      bfd_put_32 (input_bfd, relocation, contents);
+      break;
+
+    case R_FR30_9_PCREL:
+      contents   += rel->r_offset + 1;
+      srel = (bfd_signed_vma) relocation;
+      srel += rel->r_addend;
+      srel -= rel->r_offset;
+      srel -= 2;  /* Branch instructions add 2 to the PC... */
+      srel -= (input_section->output_section->vma +
+		     input_section->output_offset);
+      
+      if (srel & 1)
+	return bfd_reloc_outofrange;
+      if (srel > ((1 << 8) - 1) || (srel < - (1 << 8)))
+	return bfd_reloc_overflow;
+
+      bfd_put_8 (input_bfd, srel >> 1, contents);
+      break;
+
+    case R_FR30_12_PCREL:
+      contents   += rel->r_offset;
+      srel = (bfd_signed_vma) relocation;
+      srel += rel->r_addend;
+      srel -= rel->r_offset;
+      srel -= 2; /* Branch instructions add 2 to the PC... */
+      srel -= (input_section->output_section->vma +
+		     input_section->output_offset);
+      
+      if (srel & 1)
+	return bfd_reloc_outofrange;
+      if (srel > ((1 << 11) - 1) || (srel < - (1 << 11)))
+	  return bfd_reloc_overflow;
+      
+      x = bfd_get_16 (input_bfd, contents);
+      x = (x & 0xf800) | ((srel >> 1) & 0x7ff);
+      bfd_put_16 (input_bfd, x, contents);
+      break;
+
+    default:
+      r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+				    contents, rel->r_offset,
+				    relocation, rel->r_addend);
+    }
+
+  return r;
+}
+
+
+/* Relocate an FR30 ELF section.
+   There is some attempt to make this function usable for many architectures,
+   both USE_REL and USE_RELA ['twould be nice if such a critter existed],
+   if only to serve as a learning tool.
+
+   The RELOCATE_SECTION function is called by the new ELF backend linker
+   to handle the relocations for a section.
+
+   The relocs are always passed as Rela structures; if the section
+   actually uses Rel structures, the r_addend field will always be
+   zero.
+
+   This function is responsible for adjusting the section contents as
+   necessary, and (if using Rela relocs and generating a relocateable
+   output file) adjusting the reloc addend as necessary.
+
+   This function does not have to worry about setting the reloc
+   address or the reloc symbol index.
+
+   LOCAL_SYMS is a pointer to the swapped in local symbols.
+
+   LOCAL_SECTIONS is an array giving the section in the input file
+   corresponding to the st_shndx field of each local symbol.
+
+   The global hash table entry for the global symbols can be found
+   via elf_sym_hashes (input_bfd).
+
+   When generating relocateable output, this function must handle
+   STB_LOCAL/STT_SECTION symbols specially.  The output symbol is
+   going to be the section symbol corresponding to the output
+   section, which means that the addend must be adjusted
+   accordingly.  */
+
+static boolean
+fr30_elf_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;
+{
+  Elf_Internal_Shdr *           symtab_hdr;
+  struct elf_link_hash_entry ** sym_hashes;
+  Elf_Internal_Rela *           rel;
+  Elf_Internal_Rela *           relend;
+
+  symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
+  sym_hashes = elf_sym_hashes (input_bfd);
+  relend     = relocs + input_section->reloc_count;
+
+  for (rel = relocs; rel < relend; rel ++)
+    {
+      reloc_howto_type *           howto;
+      unsigned long                r_symndx;
+      Elf_Internal_Sym *           sym;
+      asection *                   sec;
+      struct elf_link_hash_entry * h;
+      bfd_vma                      relocation;
+      bfd_reloc_status_type        r;
+      const char *                 name = NULL;
+      int                          r_type;
+      
+      r_type = ELF32_R_TYPE (rel->r_info);
+      
+      if (   r_type == R_FR30_GNU_VTINHERIT
+	  || r_type == R_FR30_GNU_VTENTRY)
+	continue;
+      
+      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.  */
+      howto  = fr30_elf_howto_table + ELF32_R_TYPE (rel->r_info);
+      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);
+	  
+	  name = bfd_elf_string_from_elf_section
+	    (input_bfd, symtab_hdr->sh_link, sym->st_name);
+	  name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+#if 0
+	  fprintf (stderr, "local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
+		   sec->name, name, sym->st_name,
+		   sec->output_section->vma, sec->output_offset,
+		   sym->st_value, rel->r_addend);
+#endif
+	}
+      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;
+
+	  name = h->root.root.string;
+	  
+	  if (h->root.type == bfd_link_hash_defined
+	      || h->root.type == bfd_link_hash_defweak)
+	    {
+	      sec = h->root.u.def.section;
+	      relocation = (h->root.u.def.value
+			    + sec->output_section->vma
+			    + sec->output_offset);
+#if 0
+	      fprintf (stderr,
+		       "defined: sec: %s, name: %s, value: %x + %x + %x gives: %x\n",
+		       sec->name, name, h->root.u.def.value,
+		       sec->output_section->vma, sec->output_offset, relocation);
+#endif
+	    }
+	  else if (h->root.type == bfd_link_hash_undefweak)
+	    {
+#if 0
+	      fprintf (stderr, "undefined: sec: %s, name: %s\n",
+		       sec->name, name);
+#endif
+	      relocation = 0;
+	    }
+	  else
+	    {
+	      if (! ((*info->callbacks->undefined_symbol)
+		     (info, h->root.root.string, input_bfd,
+		      input_section, rel->r_offset)))
+		return false;
+#if 0
+	      fprintf (stderr, "unknown: name: %s\n", name);
+#endif
+	      relocation = 0;
+	    }
+	}
+      
+      r = fr30_final_link_relocate (howto, input_bfd, input_section,
+				     contents, rel, relocation);
+
+      if (r != bfd_reloc_ok)
+	{
+	  const char * msg = (const char *) NULL;
+
+	  switch (r)
+	    {
+	    case bfd_reloc_overflow:
+	      r = info->callbacks->reloc_overflow
+		(info, name, howto->name, (bfd_vma) 0,
+		 input_bfd, input_section, rel->r_offset);
+	      break;
+	      
+	    case bfd_reloc_undefined:
+	      r = info->callbacks->undefined_symbol
+		(info, name, input_bfd, input_section, rel->r_offset);
+	      break;
+	      
+	    case bfd_reloc_outofrange:
+	      msg = _("internal error: out of range error");
+	      break;
+
+	    case bfd_reloc_notsupported:
+	      msg = _("internal error: unsupported relocation error");
+	      break;
+
+	    case bfd_reloc_dangerous:
+	      msg = _("internal error: dangerous relocation");
+	      break;
+
+	    default:
+	      msg = _("internal error: unknown error");
+	      break;
+	    }
+
+	  if (msg)
+	    r = info->callbacks->warning
+	      (info, msg, name, input_bfd, input_section, rel->r_offset);
+
+	  if (! r)
+	    return false;
+	}
+    }
+
+  return true;
+}
+
+/* Return the section that should be marked against GC for a given
+   relocation.  */
+
+static asection *
+fr30_elf_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_FR30_GNU_VTINHERIT:
+	case R_FR30_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;
+	    }
+	}
+    }
+  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
+fr30_elf_gc_sweep_hook (abfd, info, sec, relocs)
+     bfd *                     abfd;
+     struct bfd_link_info *    info;
+     asection *                sec;
+     const Elf_Internal_Rela * relocs;
+{
+  return true;
+}
+
+/* Look through the relocs for a section during the first phase.
+   Since we don't do .gots or .plts, we just need to consider the
+   virtual table relocs for gc.  */
+ 
+static boolean
+fr30_elf_check_relocs (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, **sym_hashes_end;
+  const Elf_Internal_Rela *rel;
+  const Elf_Internal_Rela *rel_end;
+ 
+  if (info->relocateable)
+    return true;
+ 
+  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+  sym_hashes = elf_sym_hashes (abfd);
+  sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf32_External_Sym);
+  if (!elf_bad_symtab (abfd))
+    sym_hashes_end -= symtab_hdr->sh_info;
+ 
+  rel_end = relocs + sec->reloc_count;
+  for (rel = relocs; rel < rel_end; rel++)
+    {
+      struct elf_link_hash_entry *h;
+      unsigned long r_symndx;
+ 
+      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))
+        {
+        /* This relocation describes the C++ object vtable hierarchy.
+           Reconstruct it for later use during GC.  */
+        case R_FR30_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_FR30_GNU_VTENTRY:
+          if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+            return false;
+          break;
+        }
+    }
+ 
+  return true;
+}
+
+#define ELF_ARCH		bfd_arch_fr30
+#define ELF_MACHINE_CODE	EM_CYGNUS_FR30
+#define ELF_MAXPAGESIZE		0x1000
+
+#define TARGET_BIG_SYM          bfd_elf32_fr30_vec
+#define TARGET_BIG_NAME		"elf32-fr30"
+
+#define elf_info_to_howto_rel			NULL
+#define elf_info_to_howto			fr30_info_to_howto_rela
+#define elf_backend_relocate_section		fr30_elf_relocate_section
+#define elf_backend_gc_mark_hook		fr30_elf_gc_mark_hook
+#define elf_backend_gc_sweep_hook		fr30_elf_gc_sweep_hook
+#define elf_backend_check_relocs                fr30_elf_check_relocs
+
+#define elf_backend_can_gc_sections		1
+
+#define bfd_elf32_bfd_reloc_type_lookup		fr30_reloc_type_lookup
+
+#include "elf32-target.h"