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cell-binutils  2.17cvs20070401
Classes | Defines | Functions | Variables
elf-m10300.c File Reference
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/mn10300.h"
#include "elf32-target.h"
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes

struct  elf32_mn10300_link_hash_entry
struct  mn10300_reloc_map

Defines

#define MN10300_CONVERT_CALL_TO_CALLS   0x1
#define MN10300_DELETED_PROLOGUE_BYTES   0x2
#define MN10300_HASH_ENTRIES_INITIALIZED   0x1
#define elf32_mn10300_hash_table(p)   ((struct elf32_mn10300_link_hash_table *) ((p)->hash))
#define elf32_mn10300_link_hash_traverse(table, func, info)
#define PLT0_ENTRY_SIZE   15
#define PLT_ENTRY_SIZE   20
#define PIC_PLT_ENTRY_SIZE   24
#define elf_mn10300_sizeof_plt0(info)   (info->shared ? PIC_PLT_ENTRY_SIZE : PLT0_ENTRY_SIZE)
#define elf_mn10300_sizeof_plt(info)   (info->shared ? PIC_PLT_ENTRY_SIZE : PLT_ENTRY_SIZE)
#define elf_mn10300_plt_plt0_offset(info)   16
#define elf_mn10300_plt0_linker_offset(info)   2
#define elf_mn10300_plt0_gotid_offset(info)   9
#define elf_mn10300_plt_temp_offset(info)   8
#define elf_mn10300_plt_symbol_offset(info)   2
#define elf_mn10300_plt_reloc_offset(info)   11
#define ELF_DYNAMIC_INTERPRETER   "/lib/ld.so.1"
#define TARGET_LITTLE_SYM   bfd_elf32_mn10300_vec
#define TARGET_LITTLE_NAME   "elf32-mn10300"
#define ELF_ARCH   bfd_arch_mn10300
#define ELF_MACHINE_CODE   EM_MN10300
#define ELF_MACHINE_ALT1   EM_CYGNUS_MN10300
#define ELF_MAXPAGESIZE   0x1000
#define elf_info_to_howto   mn10300_info_to_howto
#define elf_info_to_howto_rel   0
#define elf_backend_can_gc_sections   1
#define elf_backend_rela_normal   1
#define elf_backend_check_relocs   mn10300_elf_check_relocs
#define elf_backend_gc_mark_hook   mn10300_elf_gc_mark_hook
#define elf_backend_relocate_section   mn10300_elf_relocate_section
#define bfd_elf32_bfd_relax_section   mn10300_elf_relax_section
#define bfd_elf32_bfd_get_relocated_section_contents   mn10300_elf_get_relocated_section_contents
#define bfd_elf32_bfd_link_hash_table_create   elf32_mn10300_link_hash_table_create
#define bfd_elf32_bfd_link_hash_table_free   elf32_mn10300_link_hash_table_free
#define elf_symbol_leading_char   '_'
#define elf_backend_final_write_processing   _bfd_mn10300_elf_final_write_processing
#define elf_backend_object_p   _bfd_mn10300_elf_object_p
#define bfd_elf32_bfd_merge_private_bfd_data   _bfd_mn10300_elf_merge_private_bfd_data
#define elf_backend_can_gc_sections   1
#define elf_backend_create_dynamic_sections   _bfd_mn10300_elf_create_dynamic_sections
#define elf_backend_adjust_dynamic_symbol   _bfd_mn10300_elf_adjust_dynamic_symbol
#define elf_backend_size_dynamic_sections   _bfd_mn10300_elf_size_dynamic_sections
#define elf_backend_omit_section_dynsym   ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
#define elf_backend_finish_dynamic_symbol   _bfd_mn10300_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections   _bfd_mn10300_elf_finish_dynamic_sections
#define elf_backend_reloc_type_class   _bfd_mn10300_elf_reloc_type_class
#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

Functions

static bfd_reloc_status_type
mn10300_elf_final_link_relocate 
PARAMS ((reloc_howto_type *, bfd *, bfd *, asection *, bfd_byte *, bfd_vma, bfd_vma, bfd_vma, struct elf_link_hash_entry *, unsigned long, struct bfd_link_info *, asection *, int))
static bfd_boolean
mn10300_elf_relocate_section 
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, asection **))
static bfd_boolean
mn10300_elf_relax_section 
PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *))
static bfd_byte
*mn10300_elf_get_relocated_section_contents 
PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *, bfd_boolean, asymbol **))
static unsigned long
elf_mn10300_mach 
PARAMS ((flagword))
void
_bfd_mn10300_elf_final_write_processing 
PARAMS ((bfd *, bfd_boolean))
bfd_boolean
_bfd_mn10300_elf_object_p 
PARAMS ((bfd *))
bfd_boolean
_bfd_mn10300_elf_merge_private_bfd_data 
PARAMS ((bfd *, bfd *))
static struct bfd_hash_entry
*elf32_mn10300_link_hash_newfunc 
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *))
static void
elf32_mn10300_link_hash_table_free 
PARAMS ((struct bfd_link_hash_table *))
static reloc_howto_type
*bfd_elf32_bfd_reloc_type_lookup 
PARAMS ((bfd *abfd, bfd_reloc_code_real_type code))
static void mn10300_info_to_howto PARAMS ((bfd *, arelent *, Elf_Internal_Rela *))
static bfd_boolean
mn10300_elf_check_relocs 
PARAMS ((bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *))
static bfd_boolean
mn10300_elf_relax_delete_bytes 
PARAMS ((bfd *, asection *, bfd_vma, int))
static bfd_boolean
mn10300_elf_symbol_address_p 
PARAMS ((bfd *, asection *, Elf_Internal_Sym *, bfd_vma))
static bfd_boolean
elf32_mn10300_finish_hash_table_entry 
PARAMS ((struct bfd_hash_entry *, PTR))
static void compute_function_info PARAMS ((bfd *, struct elf32_mn10300_link_hash_entry *, bfd_vma, unsigned char *))
static bfd_boolean
_bfd_mn10300_elf_create_got_section 
PARAMS ((bfd *, struct bfd_link_info *))
static bfd_boolean
_bfd_mn10300_elf_adjust_dynamic_symbol 
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *))
static bfd_boolean
_bfd_mn10300_elf_finish_dynamic_symbol 
PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, Elf_Internal_Sym *))
static bfd_boolean _bfd_mn10300_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
static reloc_howto_type * bfd_elf32_bfd_reloc_type_lookup (abfd, bfd_reloc_code_real_type code)
static reloc_howto_type * bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
static void mn10300_info_to_howto (abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
static bfd_boolean mn10300_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, const Elf_Internal_Rela *relocs)
static asectionmn10300_elf_gc_mark_hook (asection *sec, struct bfd_link_info *info, Elf_Internal_Rela *rel, struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)
static bfd_reloc_status_type mn10300_elf_final_link_relocate (reloc_howto_type *howto, bfd *input_bfd, output_bfd, asection *input_section, bfd_byte *contents, bfd_vma offset, bfd_vma value, bfd_vma addend, struct elf_link_hash_entry *h, unsigned long symndx, struct bfd_link_info *info, sym_sec, is_local)
static bfd_boolean mn10300_elf_relocate_section (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)
static bfd_boolean elf32_mn10300_finish_hash_table_entry (struct bfd_hash_entry *gen_entry, PTR in_args)
static bfd_boolean elf32_mn10300_count_hash_table_entries (struct bfd_hash_entry *gen_entry ATTRIBUTE_UNUSED, PTR in_args)
static bfd_boolean elf32_mn10300_list_hash_table_entries (struct bfd_hash_entry *gen_entry, PTR in_args)
static int sort_by_value (const void *va, const void *vb)
static bfd_boolean mn10300_elf_relax_section (bfd *abfd, asection *sec, struct bfd_link_info *link_info, bfd_boolean *again)
static void compute_function_info (bfd *abfd, struct elf32_mn10300_link_hash_entry *hash, bfd_vma addr, unsigned char *contents)
static bfd_boolean mn10300_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr, int count)
static bfd_boolean mn10300_elf_symbol_address_p (bfd *abfd, asection *sec, Elf_Internal_Sym *isym, bfd_vma addr)
static bfd_bytemn10300_elf_get_relocated_section_contents (bfd *output_bfd, struct bfd_link_info *link_info, struct bfd_link_order *link_order, bfd_byte *data, bfd_boolean relocatable, asymbol **symbols)
static struct bfd_hash_entryelf32_mn10300_link_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table, const char *string)
static struct bfd_link_hash_tableelf32_mn10300_link_hash_table_create (bfd *abfd)
static void elf32_mn10300_link_hash_table_free (struct bfd_link_hash_table *hash)
static unsigned long elf_mn10300_mach (flagword flags)
void _bfd_mn10300_elf_final_write_processing (bfd *abfd, linker)
bfd_boolean _bfd_mn10300_elf_object_p (bfd *abfd)
bfd_boolean _bfd_mn10300_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
static bfd_boolean _bfd_mn10300_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
static bfd_boolean _bfd_mn10300_elf_adjust_dynamic_symbol (struct bfd_link_info *info, struct elf_link_hash_entry *h)
static bfd_boolean _bfd_mn10300_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
static bfd_boolean _bfd_mn10300_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info, struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)
static bfd_boolean _bfd_mn10300_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
static enum elf_reloc_type_class _bfd_mn10300_elf_reloc_type_class (const Elf_Internal_Rela *rela)

Variables

static reloc_howto_type elf_mn10300_howto_table []
static struct mn10300_reloc_map []
static const bfd_byte elf_mn10300_plt0_entry [PLT0_ENTRY_SIZE]
static const bfd_byte elf_mn10300_plt_entry [PLT_ENTRY_SIZE]
static const bfd_byte elf_mn10300_pic_plt_entry [PIC_PLT_ENTRY_SIZE]

Class Documentation

struct elf32_mn10300_link_hash_entry

Definition at line 55 of file elf-m10300.c.

Class Members
unsigned int direct_calls
unsigned char flags
unsigned char movm_args
unsigned char movm_stack_size
unsigned char stack_size
bfd_vma value
struct elf32_mn10300_link_hash_table

Definition at line 96 of file elf-m10300.c.

Collaboration diagram for elf32_mn10300_link_hash_table:
Class Members
char flags
struct
elf32_mn10300_link_hash_table *
static_hash_table
struct mn10300_reloc_map

Definition at line 503 of file elf-m10300.c.

Class Members
bfd_reloc_code_real_type bfd_reloc_val
unsigned char elf_reloc_val

Define Documentation

Definition at line 4766 of file elf-m10300.c.

Definition at line 4768 of file elf-m10300.c.

Definition at line 4770 of file elf-m10300.c.

Definition at line 4782 of file elf-m10300.c.

Definition at line 4765 of file elf-m10300.c.

#define elf32_mn10300_hash_table (   p)    ((struct elf32_mn10300_link_hash_table *) ((p)->hash))

Definition at line 114 of file elf-m10300.c.

#define elf32_mn10300_link_hash_traverse (   table,
  func,
  info 
)
Value:
(elf_link_hash_traverse                                        \
   (&(table)->root,                                            \
    (bfd_boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
    (info)))

Definition at line 117 of file elf-m10300.c.

#define ELF_ARCH   bfd_arch_mn10300

Definition at line 4752 of file elf-m10300.c.

Definition at line 4788 of file elf-m10300.c.

Definition at line 4785 of file elf-m10300.c.

Definition at line 4785 of file elf-m10300.c.

Definition at line 4762 of file elf-m10300.c.

Definition at line 4786 of file elf-m10300.c.

Definition at line 4778 of file elf-m10300.c.

Definition at line 4796 of file elf-m10300.c.

Definition at line 4794 of file elf-m10300.c.

Definition at line 4763 of file elf-m10300.c.

#define elf_backend_got_header_size   12

Definition at line 4805 of file elf-m10300.c.

Definition at line 4780 of file elf-m10300.c.

Definition at line 4792 of file elf-m10300.c.

#define elf_backend_plt_readonly   1

Definition at line 4803 of file elf-m10300.c.

#define elf_backend_rela_normal   1

Definition at line 4761 of file elf-m10300.c.

Definition at line 4799 of file elf-m10300.c.

Definition at line 4764 of file elf-m10300.c.

Definition at line 4790 of file elf-m10300.c.

#define elf_backend_want_got_plt   1

Definition at line 4802 of file elf-m10300.c.

#define elf_backend_want_plt_sym   0

Definition at line 4804 of file elf-m10300.c.

#define ELF_DYNAMIC_INTERPRETER   "/lib/ld.so.1"

Definition at line 3975 of file elf-m10300.c.

Definition at line 4758 of file elf-m10300.c.

#define elf_info_to_howto_rel   0

Definition at line 4759 of file elf-m10300.c.

Definition at line 4754 of file elf-m10300.c.

Definition at line 4753 of file elf-m10300.c.

#define ELF_MAXPAGESIZE   0x1000

Definition at line 4755 of file elf-m10300.c.

#define elf_mn10300_plt0_gotid_offset (   info)    9

Definition at line 3961 of file elf-m10300.c.

#define elf_mn10300_plt0_linker_offset (   info)    2

Definition at line 3958 of file elf-m10300.c.

#define elf_mn10300_plt_plt0_offset (   info)    16

Definition at line 3955 of file elf-m10300.c.

#define elf_mn10300_plt_reloc_offset (   info)    11

Definition at line 3970 of file elf-m10300.c.

#define elf_mn10300_plt_symbol_offset (   info)    2

Definition at line 3967 of file elf-m10300.c.

#define elf_mn10300_plt_temp_offset (   info)    8

Definition at line 3964 of file elf-m10300.c.

Definition at line 3951 of file elf-m10300.c.

Definition at line 3947 of file elf-m10300.c.

#define elf_symbol_leading_char   '_'

Definition at line 4774 of file elf-m10300.c.

Definition at line 82 of file elf-m10300.c.

Definition at line 86 of file elf-m10300.c.

Definition at line 106 of file elf-m10300.c.

#define PIC_PLT_ENTRY_SIZE   24

Definition at line 3919 of file elf-m10300.c.

#define PLT0_ENTRY_SIZE   15

Definition at line 3917 of file elf-m10300.c.

#define PLT_ENTRY_SIZE   20

Definition at line 3918 of file elf-m10300.c.

#define TARGET_LITTLE_NAME   "elf32-mn10300"

Definition at line 4751 of file elf-m10300.c.

Definition at line 4750 of file elf-m10300.c.


Function Documentation

Definition at line 4093 of file elf-m10300.c.

{
  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->needs_plt
                || h->u.weakdef != NULL
                || (h->def_dynamic
                    && h->ref_regular
                    && !h->def_regular)));

  /* 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->needs_plt)
    {
      if (! info->shared
         && !h->def_dynamic
         && !h->ref_dynamic)
       {
         /* This case can occur if we saw a PLT 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 REL32
            reloc instead.  */
         BFD_ASSERT (h->needs_plt);
         return TRUE;
       }

      /* Make sure this symbol is output as a dynamic symbol.  */
      if (h->dynindx == -1)
       {
         if (! bfd_elf_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->size == 0)
       s->size += elf_mn10300_sizeof_plt0 (info);

      /* 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->def_regular)
       {
         h->root.u.def.section = s;
         h->root.u.def.value = s->size;
       }

      h->plt.offset = s->size;

      /* Make room for this entry.  */
      s->size += elf_mn10300_sizeof_plt (info);

      /* 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->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->size += sizeof (Elf32_External_Rela);

      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->u.weakdef != NULL)
    {
      BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
                || h->u.weakdef->root.type == bfd_link_hash_defweak);
      h->root.u.def.section = h->u.weakdef->root.u.def.section;
      h->root.u.def.value = h->u.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;

  /* If there are no references to this symbol that do not use the
     GOT, we don't need to generate a copy reloc.  */
  if (!h->non_got_ref)
    return TRUE;

  if (h->size == 0)
    {
      (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
                          h->root.root.string);
      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_MN10300_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->size += sizeof (Elf32_External_Rela);
      h->needs_copy = 1;
    }

  /* 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->size = BFD_ALIGN (s->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->size;

  /* Increment the section size to make room for the symbol.  */
  s->size += h->size;

  return TRUE;
}

Here is the call graph for this function:

Definition at line 3980 of file elf-m10300.c.

{
  flagword   flags;
  asection * s;
  const struct elf_backend_data * bed = get_elf_backend_data (abfd);
  int ptralign = 0;

  switch (bed->s->arch_size)
    {
    case 32:
      ptralign = 2;
      break;

    case 64:
      ptralign = 3;
      break;

    default:
      bfd_set_error (bfd_error_bad_value);
      return FALSE;
    }

  /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
     .rel[a].bss sections.  */

  flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
          | SEC_LINKER_CREATED);

  s = bfd_make_section_with_flags (abfd,
                               (bed->default_use_rela_p
                                ? ".rela.plt" : ".rel.plt"),
                               flags | SEC_READONLY);
  if (s == NULL
      || ! bfd_set_section_alignment (abfd, s, ptralign))
    return FALSE;

  if (! _bfd_mn10300_elf_create_got_section (abfd, info))
    return FALSE;

  {
    const char * secname;
    char *       relname;
    flagword     secflags;
    asection *   sec;

    for (sec = abfd->sections; sec; sec = sec->next)
      {
       secflags = bfd_get_section_flags (abfd, sec);
       if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
           || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
         continue;

       secname = bfd_get_section_name (abfd, sec);
       relname = (char *) bfd_malloc (strlen (secname) + 6);
       strcpy (relname, ".rela");
       strcat (relname, secname);

       s = bfd_make_section_with_flags (abfd, relname,
                                    flags | SEC_READONLY);
       if (s == NULL
           || ! bfd_set_section_alignment (abfd, s, ptralign))
         return FALSE;
      }
  }

  if (bed->want_dynbss)
    {
      /* The .dynbss section is a place to put symbols which are defined
        by dynamic objects, are referenced by regular objects, and are
        not functions.  We must allocate space for them in the process
        image and use a R_*_COPY reloc to tell the dynamic linker to
        initialize them at run time.  The linker script puts the .dynbss
        section into the .bss section of the final image.  */
      s = bfd_make_section_with_flags (abfd, ".dynbss",
                                   SEC_ALLOC | SEC_LINKER_CREATED);
      if (s == NULL)
       return FALSE;

      /* The .rel[a].bss section holds copy relocs.  This section is not
        normally needed.  We need to create it here, though, so that the
        linker will map it to an output section.  We can't just create it
        only if we need it, because we will not know whether we need it
        until we have seen all the input files, and the first time the
        main linker code calls BFD after examining all the input files
        (size_dynamic_sections) the input sections have already been
        mapped to the output sections.  If the section turns out not to
        be needed, we can discard it later.  We will never need this
        section when generating a shared object, since they do not use
        copy relocs.  */
      if (! info->shared)
       {
         s = bfd_make_section_with_flags (abfd,
                                      (bed->default_use_rela_p
                                       ? ".rela.bss" : ".rel.bss"),
                                      flags | SEC_READONLY);
         if (s == NULL
             || ! bfd_set_section_alignment (abfd, s, ptralign))
           return FALSE;
       }
    }

  return TRUE;
}

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static bfd_boolean _bfd_mn10300_elf_create_got_section ( bfd abfd,
struct bfd_link_info info 
) [static]

Definition at line 538 of file elf-m10300.c.

{
  flagword   flags;
  flagword   pltflags;
  asection * s;
  struct elf_link_hash_entry * h;
  const struct elf_backend_data * bed = get_elf_backend_data (abfd);
  int ptralign;

  /* This function may be called more than once.  */
  if (bfd_get_section_by_name (abfd, ".got") != NULL)
    return TRUE;

  switch (bed->s->arch_size)
    {
    case 32:
      ptralign = 2;
      break;

    case 64:
      ptralign = 3;
      break;

    default:
      bfd_set_error (bfd_error_bad_value);
      return FALSE;
    }

  flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
          | SEC_LINKER_CREATED);

  pltflags = flags;
  pltflags |= SEC_CODE;
  if (bed->plt_not_loaded)
    pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
  if (bed->plt_readonly)
    pltflags |= SEC_READONLY;

  s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
  if (s == NULL
      || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
    return FALSE;

  /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
     .plt section.  */
  if (bed->want_plt_sym)
    {
      h = _bfd_elf_define_linkage_sym (abfd, info, s,
                                   "_PROCEDURE_LINKAGE_TABLE_");
      elf_hash_table (info)->hplt = h;
      if (h == NULL)
       return FALSE;
    }

  s = bfd_make_section_with_flags (abfd, ".got", flags);
  if (s == NULL
      || ! bfd_set_section_alignment (abfd, s, ptralign))
    return FALSE;

  if (bed->want_got_plt)
    {
      s = bfd_make_section_with_flags (abfd, ".got.plt", flags);
      if (s == NULL
         || ! bfd_set_section_alignment (abfd, s, ptralign))
       return FALSE;
    }

  /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
     (or .got.plt) section.  We don't do this in the linker script
     because we don't want to define the symbol if we are not creating
     a global offset table.  */
  h = _bfd_elf_define_linkage_sym (abfd, info, s, "_GLOBAL_OFFSET_TABLE_");
  elf_hash_table (info)->hgot = h;
  if (h == NULL)
    return FALSE;

  /* The first bit of the global offset table is the header.  */
  s->size += bed->got_header_size;

  return TRUE;
}

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void _bfd_mn10300_elf_final_write_processing ( bfd abfd,
linker   
)

Definition at line 3859 of file elf-m10300.c.

{
  unsigned long val;

  switch (bfd_get_mach (abfd))
    {
    default:
    case bfd_mach_mn10300:
      val = E_MN10300_MACH_MN10300;
      break;

    case bfd_mach_am33:
      val = E_MN10300_MACH_AM33;
      break;

    case bfd_mach_am33_2:
      val = E_MN10300_MACH_AM33_2;
      break;
    }

  elf_elfheader (abfd)->e_flags &= ~ (EF_MN10300_MACH);
  elf_elfheader (abfd)->e_flags |= val;
}

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static bfd_boolean _bfd_mn10300_elf_finish_dynamic_sections ( bfd output_bfd,
struct bfd_link_info info 
) [static]

Definition at line 4610 of file elf-m10300.c.

{
  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;
      Elf32_External_Dyn * dynconend;

      BFD_ASSERT (sdyn != NULL);

      dyncon = (Elf32_External_Dyn *) sdyn->contents;
      dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->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);
             dyn.d_un.d_val = s->size;
             bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
             break;

           case DT_RELASZ:
             /* My reading of the SVR4 ABI indicates that the
               procedure linkage table relocs (DT_JMPREL) should be
               included in the overall relocs (DT_RELA).  This is
               what Solaris does.  However, UnixWare can not handle
               that case.  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)
              dyn.d_un.d_val -= s->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->size > 0)
       {
         if (info->shared)
           {
             memcpy (splt->contents, elf_mn10300_pic_plt_entry,
                    elf_mn10300_sizeof_plt (info));
           }
         else
           {
             memcpy (splt->contents, elf_mn10300_plt0_entry, PLT0_ENTRY_SIZE);
             bfd_put_32 (output_bfd,
                       sgot->output_section->vma + sgot->output_offset + 4,
                       splt->contents + elf_mn10300_plt0_gotid_offset (info));
             bfd_put_32 (output_bfd,
                       sgot->output_section->vma + sgot->output_offset + 8,
                       splt->contents + elf_mn10300_plt0_linker_offset (info));
           }

         /* 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->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;
}

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static bfd_boolean _bfd_mn10300_elf_finish_dynamic_symbol ( bfd output_bfd,
struct bfd_link_info info,
struct elf_link_hash_entry h,
Elf_Internal_Sym *  sym 
) [static]

Definition at line 4435 of file elf-m10300.c.

{
  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_Rela 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, ".rela.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 - elf_mn10300_sizeof_plt0 (info))
                 / elf_mn10300_sizeof_plt (info));

      /* 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_mn10300_plt_entry,
                elf_mn10300_sizeof_plt (info));
         bfd_put_32 (output_bfd,
                    (sgot->output_section->vma
                     + sgot->output_offset
                     + got_offset),
                    (splt->contents + h->plt.offset
                     + elf_mn10300_plt_symbol_offset (info)));

         bfd_put_32 (output_bfd,
                    (1 - h->plt.offset - elf_mn10300_plt_plt0_offset (info)),
                    (splt->contents + h->plt.offset
                     + elf_mn10300_plt_plt0_offset (info)));
       }
      else
       {
         memcpy (splt->contents + h->plt.offset, elf_mn10300_pic_plt_entry,
                elf_mn10300_sizeof_plt (info));

         bfd_put_32 (output_bfd, got_offset,
                    (splt->contents + h->plt.offset
                     + elf_mn10300_plt_symbol_offset (info)));
       }

      bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
                (splt->contents + h->plt.offset
                 + elf_mn10300_plt_reloc_offset (info)));

      /* Fill in the entry in the global offset table.  */
      bfd_put_32 (output_bfd,
                (splt->output_section->vma
                 + splt->output_offset
                 + h->plt.offset
                 + elf_mn10300_plt_temp_offset (info)),
                sgot->contents + got_offset);

      /* Fill in the entry in the .rela.plt section.  */
      rel.r_offset = (sgot->output_section->vma
                    + sgot->output_offset
                    + got_offset);
      rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_JMP_SLOT);
      rel.r_addend = 0;
      bfd_elf32_swap_reloca_out (output_bfd, &rel,
                             (bfd_byte *) ((Elf32_External_Rela *) srel->contents
                                          + plt_index));

      if (!h->def_regular)
       /* 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_Rela 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, ".rela.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->def_regular)
       {
         rel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
         rel.r_addend = (h->root.u.def.value
                       + h->root.u.def.section->output_section->vma
                       + h->root.u.def.section->output_offset);
       }
      else
       {
         bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
         rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_GLOB_DAT);
         rel.r_addend = 0;
       }

      bfd_elf32_swap_reloca_out (output_bfd, &rel,
                             (bfd_byte *) ((Elf32_External_Rela *) srel->contents
                                          + srel->reloc_count));
      ++ srel->reloc_count;
    }

  if (h->needs_copy)
    {
      asection *        s;
      Elf_Internal_Rela 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,
                               ".rela.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_MN10300_COPY);
      rel.r_addend = 0;
      bfd_elf32_swap_reloca_out (output_bfd, &rel,
                             (bfd_byte *) ((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
      || h == elf_hash_table (info)->hgot)
    sym->st_shndx = SHN_ABS;

  return TRUE;
}

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Definition at line 3898 of file elf-m10300.c.

{
  if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
      || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
    return TRUE;

  if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
      && bfd_get_mach (obfd) < bfd_get_mach (ibfd))
    {
      if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
                            bfd_get_mach (ibfd)))
       return FALSE;
    }

  return TRUE;
}

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Definition at line 3886 of file elf-m10300.c.

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Definition at line 4734 of file elf-m10300.c.

{
  switch ((int) ELF32_R_TYPE (rela->r_info))
    {
    case R_MN10300_RELATIVE:
      return reloc_class_relative;
    case R_MN10300_JMP_SLOT:
      return reloc_class_plt;
    case R_MN10300_COPY:
      return reloc_class_copy;
    default:
      return reloc_class_normal;
    }
}
static bfd_boolean _bfd_mn10300_elf_size_dynamic_sections ( bfd output_bfd,
struct bfd_link_info info 
) [static]

Definition at line 4266 of file elf-m10300.c.

{
  bfd * dynobj;
  asection * s;
  bfd_boolean plt;
  bfd_boolean relocs;
  bfd_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->executable)
       {
         s = bfd_get_section_by_name (dynobj, ".interp");
         BFD_ASSERT (s != NULL);
         s->size = sizeof ELF_DYNAMIC_INTERPRETER;
         s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
       }
    }
  else
    {
      /* We may have created entries in the .rela.got section.
        However, if we are not creating the dynamic sections, we will
        not actually use these entries.  Reset the size of .rela.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->size = 0;
    }

  /* 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;

      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);

      if (strcmp (name, ".plt") == 0)
       {
         /* Remember whether there is a PLT.  */
         plt = s->size != 0;
       }
      else if (CONST_STRNEQ (name, ".rela"))
       {
         if (s->size != 0)
           {
             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.  The entries in the .rela.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 + 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 (! CONST_STRNEQ (name, ".got")
              && strcmp (name, ".dynbss") != 0)
       /* It's not one of our sections, so don't allocate space.  */
       continue;

      if (s->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.  */
         s->flags |= SEC_EXCLUDE;
         continue;
       }

       if ((s->flags & SEC_HAS_CONTENTS) == 0)
         continue;

      /* Allocate memory for the section contents.  We use bfd_zalloc
        here in case unused entries are not reclaimed before the
        section's contents are written out.  This should not happen,
        but this way if it does, we get a R_MN10300_NONE reloc
        instead of garbage.  */
      s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
      if (s->contents == NULL)
       return FALSE;
    }

  if (elf_hash_table (info)->dynamic_sections_created)
    {
      /* Add some entries to the .dynamic section.  We fill in the
        values later, in _bfd_mn10300_elf_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_elf_add_dynamic_entry (info, DT_DEBUG, 0))
           return FALSE;
       }

      if (plt)
       {
         if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0)
             || !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0)
             || !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
             || !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0))
           return FALSE;
       }

      if (relocs)
       {
         if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0)
             || !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0)
             || !_bfd_elf_add_dynamic_entry (info, DT_RELAENT,
                                         sizeof (Elf32_External_Rela)))
           return FALSE;
       }

      if (reltext)
       {
         if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0))
           return FALSE;
       }
    }

  return TRUE;
}

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static reloc_howto_type* bfd_elf32_bfd_reloc_name_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
const char *  r_name 
) [static]

Definition at line 641 of file elf-m10300.c.

{
  unsigned int i;

  for (i = 0;
       i < (sizeof (elf_mn10300_howto_table)
           / sizeof (elf_mn10300_howto_table[0]));
       i++)
    if (elf_mn10300_howto_table[i].name != NULL
       && strcasecmp (elf_mn10300_howto_table[i].name, r_name) == 0)
      return &elf_mn10300_howto_table[i];

  return NULL;
}

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static reloc_howto_type* bfd_elf32_bfd_reloc_type_lookup ( abfd  ,
bfd_reloc_code_real_type  code 
) [static]

Definition at line 623 of file elf-m10300.c.

{
  unsigned int i;

  for (i = 0;
       i < sizeof (mn10300_reloc_map) / sizeof (struct mn10300_reloc_map);
       i++)
    {
      if (mn10300_reloc_map[i].bfd_reloc_val == code)
       return &elf_mn10300_howto_table[mn10300_reloc_map[i].elf_reloc_val];
    }

  return NULL;
}
static void compute_function_info ( bfd abfd,
struct elf32_mn10300_link_hash_entry hash,
bfd_vma  addr,
unsigned char *  contents 
) [static]

Definition at line 3411 of file elf-m10300.c.

{
  unsigned char byte1, byte2;
  /* We only care about a very small subset of the possible prologue
     sequences here.  Basically we look for:

     movm [d2,d3,a2,a3],sp (optional)
     add <size>,sp (optional, and only for sizes which fit in an unsigned
                  8 bit number)

     If we find anything else, we quit.  */

  /* Look for movm [regs],sp */
  byte1 = bfd_get_8 (abfd, contents + addr);
  byte2 = bfd_get_8 (abfd, contents + addr + 1);

  if (byte1 == 0xcf)
    {
      hash->movm_args = byte2;
      addr += 2;
      byte1 = bfd_get_8 (abfd, contents + addr);
      byte2 = bfd_get_8 (abfd, contents + addr + 1);
    }

  /* Now figure out how much stack space will be allocated by the movm
     instruction.  We need this kept separate from the function's normal
     stack space.  */
  if (hash->movm_args)
    {
      /* Space for d2.  */
      if (hash->movm_args & 0x80)
       hash->movm_stack_size += 4;

      /* Space for d3.  */
      if (hash->movm_args & 0x40)
       hash->movm_stack_size += 4;

      /* Space for a2.  */
      if (hash->movm_args & 0x20)
       hash->movm_stack_size += 4;

      /* Space for a3.  */
      if (hash->movm_args & 0x10)
       hash->movm_stack_size += 4;

      /* "other" space.  d0, d1, a0, a1, mdr, lir, lar, 4 byte pad.  */
      if (hash->movm_args & 0x08)
       hash->movm_stack_size += 8 * 4;

      if (bfd_get_mach (abfd) == bfd_mach_am33
         || bfd_get_mach (abfd) == bfd_mach_am33_2)
       {
         /* "exother" space.  e0, e1, mdrq, mcrh, mcrl, mcvf */
         if (hash->movm_args & 0x1)
           hash->movm_stack_size += 6 * 4;

         /* exreg1 space.  e4, e5, e6, e7 */
         if (hash->movm_args & 0x2)
           hash->movm_stack_size += 4 * 4;

         /* exreg0 space.  e2, e3  */
         if (hash->movm_args & 0x4)
           hash->movm_stack_size += 2 * 4;
       }
    }

  /* Now look for the two stack adjustment variants.  */
  if (byte1 == 0xf8 && byte2 == 0xfe)
    {
      int temp = bfd_get_8 (abfd, contents + addr + 2);
      temp = ((temp & 0xff) ^ (~0x7f)) + 0x80;

      hash->stack_size = -temp;
    }
  else if (byte1 == 0xfa && byte2 == 0xfe)
    {
      int temp = bfd_get_16 (abfd, contents + addr + 2);
      temp = ((temp & 0xffff) ^ (~0x7fff)) + 0x8000;
      temp = -temp;

      if (temp < 255)
       hash->stack_size = temp;
    }

  /* If the total stack to be allocated by the call instruction is more
     than 255 bytes, then we can't remove the stack adjustment by using
     "call" (we might still be able to remove the "movm" instruction.  */
  if (hash->stack_size + hash->movm_stack_size > 255)
    hash->stack_size = 0;

  return;
}

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static bfd_boolean elf32_mn10300_count_hash_table_entries ( struct bfd_hash_entry *gen_entry  ATTRIBUTE_UNUSED,
PTR  in_args 
) [static]

Definition at line 1621 of file elf-m10300.c.

{
  int *count = (int *)in_args;

  (*count) ++;
  return TRUE;
}

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static bfd_boolean elf32_mn10300_finish_hash_table_entry ( struct bfd_hash_entry gen_entry,
PTR  in_args 
) [static]

Definition at line 1557 of file elf-m10300.c.

{
  struct elf32_mn10300_link_hash_entry *entry;
  struct bfd_link_info *link_info = (struct bfd_link_info *)in_args;
  unsigned int byte_count = 0;

  entry = (struct elf32_mn10300_link_hash_entry *) gen_entry;

  if (entry->root.root.type == bfd_link_hash_warning)
    entry = (struct elf32_mn10300_link_hash_entry *) entry->root.root.u.i.link;

  /* If we already know we want to convert "call" to "calls" for calls
     to this symbol, then return now.  */
  if (entry->flags == MN10300_CONVERT_CALL_TO_CALLS)
    return TRUE;

  /* If there are no named calls to this symbol, or there's nothing we
     can move from the function itself into the "call" instruction,
     then note that all "call" instructions should be converted into
     "calls" instructions and return.  If a symbol is available for
     dynamic symbol resolution (overridable or overriding), avoid
     custom calling conventions.  */
  if (entry->direct_calls == 0
      || (entry->stack_size == 0 && entry->movm_args == 0)
      || (elf_hash_table (link_info)->dynamic_sections_created
         && ELF_ST_VISIBILITY (entry->root.other) != STV_INTERNAL
         && ELF_ST_VISIBILITY (entry->root.other) != STV_HIDDEN))
    {
      /* Make a note that we should convert "call" instructions to "calls"
        instructions for calls to this symbol.  */
      entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
      return TRUE;
    }

  /* We may be able to move some instructions from the function itself into
     the "call" instruction.  Count how many bytes we might be able to
     eliminate in the function itself.  */

  /* A movm instruction is two bytes.  */
  if (entry->movm_args)
    byte_count += 2;

  /* Count the insn to allocate stack space too.  */
  if (entry->stack_size > 0)
    {
      if (entry->stack_size <= 128)
       byte_count += 3;
      else
       byte_count += 4;
    }

  /* If using "call" will result in larger code, then turn all
     the associated "call" instructions into "calls" instructions.  */
  if (byte_count < entry->direct_calls)
    entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;

  /* This routine never fails.  */
  return TRUE;
}

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static struct bfd_hash_entry* elf32_mn10300_link_hash_newfunc ( struct bfd_hash_entry entry,
struct bfd_hash_table table,
const char *  string 
) [static, read]

Definition at line 3745 of file elf-m10300.c.

{
  struct elf32_mn10300_link_hash_entry *ret =
    (struct elf32_mn10300_link_hash_entry *) entry;

  /* Allocate the structure if it has not already been allocated by a
     subclass.  */
  if (ret == (struct elf32_mn10300_link_hash_entry *) NULL)
    ret = ((struct elf32_mn10300_link_hash_entry *)
          bfd_hash_allocate (table,
                           sizeof (struct elf32_mn10300_link_hash_entry)));
  if (ret == (struct elf32_mn10300_link_hash_entry *) NULL)
    return (struct bfd_hash_entry *) ret;

  /* Call the allocation method of the superclass.  */
  ret = ((struct elf32_mn10300_link_hash_entry *)
        _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
                                 table, string));
  if (ret != (struct elf32_mn10300_link_hash_entry *) NULL)
    {
      ret->direct_calls = 0;
      ret->stack_size = 0;
      ret->movm_args = 0;
      ret->movm_stack_size = 0;
      ret->flags = 0;
      ret->value = 0;
    }

  return (struct bfd_hash_entry *) ret;
}

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Definition at line 3782 of file elf-m10300.c.

{
  struct elf32_mn10300_link_hash_table *ret;
  bfd_size_type amt = sizeof (struct elf32_mn10300_link_hash_table);

  ret = (struct elf32_mn10300_link_hash_table *) bfd_malloc (amt);
  if (ret == (struct elf32_mn10300_link_hash_table *) NULL)
    return NULL;

  if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
                                  elf32_mn10300_link_hash_newfunc,
                                  sizeof (struct elf32_mn10300_link_hash_entry)))
    {
      free (ret);
      return NULL;
    }

  ret->flags = 0;
  amt = sizeof (struct elf_link_hash_table);
  ret->static_hash_table
    = (struct elf32_mn10300_link_hash_table *) bfd_malloc (amt);
  if (ret->static_hash_table == NULL)
    {
      free (ret);
      return NULL;
    }

  if (!_bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
                                  elf32_mn10300_link_hash_newfunc,
                                  sizeof (struct elf32_mn10300_link_hash_entry)))
    {
      free (ret->static_hash_table);
      free (ret);
      return NULL;
    }
  return &ret->root.root;
}

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Definition at line 3824 of file elf-m10300.c.

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static bfd_boolean elf32_mn10300_list_hash_table_entries ( struct bfd_hash_entry gen_entry,
PTR  in_args 
) [static]

Definition at line 1632 of file elf-m10300.c.

{
  struct bfd_hash_entry ***ptr = (struct bfd_hash_entry ***) in_args;

  **ptr = gen_entry;
  (*ptr) ++;
  return TRUE;
}

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static unsigned long elf_mn10300_mach ( flagword  flags) [static]

Definition at line 3837 of file elf-m10300.c.

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static bfd_boolean mn10300_elf_check_relocs ( bfd abfd,
struct bfd_link_info info,
asection sec,
const Elf_Internal_Rela relocs 
) [static]

Definition at line 677 of file elf-m10300.c.

{
  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;
  bfd *      dynobj;
  bfd_vma *  local_got_offsets;
  asection * sgot;
  asection * srelgot;
  asection * sreloc;

  sgot    = NULL;
  srelgot = NULL;
  sreloc  = NULL;

  if (info->relocatable)
    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;

  dynobj = elf_hash_table (info)->dynobj;
  local_got_offsets = elf_local_got_offsets (abfd);
  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];
         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;
       }

      /* Some relocs require a global offset table.  */
      if (dynobj == NULL)
       {
         switch (ELF32_R_TYPE (rel->r_info))
           {
           case R_MN10300_GOT32:
           case R_MN10300_GOT24:
           case R_MN10300_GOT16:
           case R_MN10300_GOTOFF32:
           case R_MN10300_GOTOFF24:
           case R_MN10300_GOTOFF16:
           case R_MN10300_GOTPC32:
           case R_MN10300_GOTPC16:
             elf_hash_table (info)->dynobj = dynobj = abfd;
             if (! _bfd_mn10300_elf_create_got_section (dynobj, info))
              return FALSE;
             break;

           default:
             break;
           }
       }

      switch (ELF32_R_TYPE (rel->r_info))
       {
       /* This relocation describes the C++ object vtable hierarchy.
          Reconstruct it for later use during GC.  */
       case R_MN10300_GNU_VTINHERIT:
         if (!bfd_elf_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_MN10300_GNU_VTENTRY:
         if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
           return FALSE;
         break;
       case R_MN10300_GOT32:
       case R_MN10300_GOT24:
       case R_MN10300_GOT16:
         /* 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, ".rela.got");
             if (srelgot == NULL)
              {
                srelgot = bfd_make_section_with_flags (dynobj,
                                                  ".rela.got",
                                                  (SEC_ALLOC
                                                   | SEC_LOAD
                                                   | SEC_HAS_CONTENTS
                                                   | SEC_IN_MEMORY
                                                   | SEC_LINKER_CREATED
                                                   | SEC_READONLY));
                if (srelgot == NULL
                    || ! 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->size;

             /* Make sure this symbol is output as a dynamic symbol.  */
             if (h->dynindx == -1)
              {
                if (! bfd_elf_link_record_dynamic_symbol (info, h))
                  return FALSE;
              }

             srelgot->size += sizeof (Elf32_External_Rela);
           }
         else
           {
             /* This is a global offset table entry for a local
               symbol.  */
             if (local_got_offsets == NULL)
              {
                size_t       size;
                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->size;

             if (info->shared)
              /* If we are generating a shared object, we need to
                 output a R_MN10300_RELATIVE reloc so that the dynamic
                 linker can adjust this GOT entry.  */
              srelgot->size += sizeof (Elf32_External_Rela);
           }

         sgot->size += 4;

         break;

       case R_MN10300_PLT32:
       case R_MN10300_PLT16:
         /* 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;

         if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
             || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
           break;

         h->needs_plt = 1;

         break;

       case R_MN10300_24:
       case R_MN10300_16:
       case R_MN10300_8:
       case R_MN10300_PCREL32:
       case R_MN10300_PCREL16:
       case R_MN10300_PCREL8:
         if (h != NULL)
           h->non_got_ref = 1;
         break;

       case R_MN10300_32:
         if (h != NULL)
           h->non_got_ref = 1;

         /* If we are creating a shared library, then 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 (CONST_STRNEQ (name, ".rela")
                           && strcmp (bfd_get_section_name (abfd, sec),
                                    name + 5) == 0);

                sreloc = bfd_get_section_by_name (dynobj, name);
                if (sreloc == NULL)
                  {
                    flagword flags;

                    flags = (SEC_HAS_CONTENTS | SEC_READONLY
                            | SEC_IN_MEMORY | SEC_LINKER_CREATED);
                    if ((sec->flags & SEC_ALLOC) != 0)
                     flags |= SEC_ALLOC | SEC_LOAD;
                    sreloc = bfd_make_section_with_flags (dynobj,
                                                     name,
                                                     flags);
                    if (sreloc == NULL
                       || ! bfd_set_section_alignment (dynobj, sreloc, 2))
                     return FALSE;
                  }
              }

             sreloc->size += sizeof (Elf32_External_Rela);
           }

         break;
       }
    }

  return TRUE;
}

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static bfd_reloc_status_type mn10300_elf_final_link_relocate ( reloc_howto_type *  howto,
bfd input_bfd,
output_bfd  ,
asection input_section,
bfd_byte contents,
bfd_vma  offset,
bfd_vma  value,
bfd_vma  addend,
struct elf_link_hash_entry h,
unsigned long  symndx,
struct bfd_link_info info,
sym_sec  ,
is_local   
) [static]

Definition at line 958 of file elf-m10300.c.

{
  unsigned long r_type = howto->type;
  bfd_byte *hit_data = contents + offset;
  bfd *      dynobj;
  bfd_vma *  local_got_offsets;
  asection * sgot;
  asection * splt;
  asection * sreloc;

  dynobj = elf_hash_table (info)->dynobj;
  local_got_offsets = elf_local_got_offsets (input_bfd);

  sgot   = NULL;
  splt   = NULL;
  sreloc = NULL;

  switch (r_type)
    {
    case R_MN10300_24:
    case R_MN10300_16:
    case R_MN10300_8:
    case R_MN10300_PCREL8:
    case R_MN10300_PCREL16:
    case R_MN10300_PCREL32:
    case R_MN10300_GOTOFF32:
    case R_MN10300_GOTOFF24:
    case R_MN10300_GOTOFF16:
      if (info->shared
         && (input_section->flags & SEC_ALLOC) != 0
         && h != NULL
         && ! SYMBOL_REFERENCES_LOCAL (info, h))
       return bfd_reloc_dangerous;
    }

  switch (r_type)
    {
    case R_MN10300_NONE:
      return bfd_reloc_ok;

    case R_MN10300_32:
      if (info->shared
         && (input_section->flags & SEC_ALLOC) != 0)
       {
         Elf_Internal_Rela outrel;
         bfd_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 (CONST_STRNEQ (name, ".rela")
                       && 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;

         outrel.r_offset = _bfd_elf_section_offset (input_bfd, info,
                                               input_section, offset);
         if (outrel.r_offset == (bfd_vma) -1)
           skip = TRUE;

         outrel.r_offset += (input_section->output_section->vma
                           + input_section->output_offset);

         if (skip)
           {
             memset (&outrel, 0, sizeof outrel);
             relocate = FALSE;
           }
         else
           {
             /* h->dynindx may be -1 if this symbol was marked to
               become local.  */
             if (h == NULL
                || SYMBOL_REFERENCES_LOCAL (info, h))
              {
                relocate = TRUE;
                outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
                outrel.r_addend = value + addend;
              }
             else
              {
                BFD_ASSERT (h->dynindx != -1);
                relocate = FALSE;
                outrel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_32);
                outrel.r_addend = value + addend;
              }
           }

         bfd_elf32_swap_reloca_out (output_bfd, &outrel,
                                 (bfd_byte *) (((Elf32_External_Rela *) 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)
           return bfd_reloc_ok;
       }
      value += addend;
      bfd_put_32 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_24:
      value += addend;

      if ((long) value > 0x7fffff || (long) value < -0x800000)
       return bfd_reloc_overflow;

      bfd_put_8 (input_bfd, value & 0xff, hit_data);
      bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
      bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
      return bfd_reloc_ok;

    case R_MN10300_16:
      value += addend;

      if ((long) value > 0x7fff || (long) value < -0x8000)
       return bfd_reloc_overflow;

      bfd_put_16 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_8:
      value += addend;

      if ((long) value > 0x7f || (long) value < -0x80)
       return bfd_reloc_overflow;

      bfd_put_8 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_PCREL8:
      value -= (input_section->output_section->vma
              + input_section->output_offset);
      value -= offset;
      value += addend;

      if ((long) value > 0xff || (long) value < -0x100)
       return bfd_reloc_overflow;

      bfd_put_8 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_PCREL16:
      value -= (input_section->output_section->vma
              + input_section->output_offset);
      value -= offset;
      value += addend;

      if ((long) value > 0xffff || (long) value < -0x10000)
       return bfd_reloc_overflow;

      bfd_put_16 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_PCREL32:
      value -= (input_section->output_section->vma
              + input_section->output_offset);
      value -= offset;
      value += addend;

      bfd_put_32 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_GNU_VTINHERIT:
    case R_MN10300_GNU_VTENTRY:
      return bfd_reloc_ok;

    case R_MN10300_GOTPC32:
      /* Use global offset table as symbol value.  */

      value = bfd_get_section_by_name (dynobj,
                                   ".got")->output_section->vma;
      value -= (input_section->output_section->vma
              + input_section->output_offset);
      value -= offset;
      value += addend;

      bfd_put_32 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_GOTPC16:
      /* Use global offset table as symbol value.  */

      value = bfd_get_section_by_name (dynobj,
                                   ".got")->output_section->vma;
      value -= (input_section->output_section->vma
              + input_section->output_offset);
      value -= offset;
      value += addend;

      if ((long) value > 0xffff || (long) value < -0x10000)
       return bfd_reloc_overflow;

      bfd_put_16 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_GOTOFF32:
      value -= bfd_get_section_by_name (dynobj,
                                   ".got")->output_section->vma;
      value += addend;

      bfd_put_32 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_GOTOFF24:
      value -= bfd_get_section_by_name (dynobj,
                                   ".got")->output_section->vma;
      value += addend;

      if ((long) value > 0x7fffff || (long) value < -0x800000)
       return bfd_reloc_overflow;

      bfd_put_8 (input_bfd, value, hit_data);
      bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
      bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
      return bfd_reloc_ok;

    case R_MN10300_GOTOFF16:
      value -= bfd_get_section_by_name (dynobj,
                                   ".got")->output_section->vma;
      value += addend;

      if ((long) value > 0xffff || (long) value < -0x10000)
       return bfd_reloc_overflow;

      bfd_put_16 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_PLT32:
      if (h != NULL
         && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
         && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
         && h->plt.offset != (bfd_vma) -1)
       {
         asection * splt;

         splt = bfd_get_section_by_name (dynobj, ".plt");

         value = (splt->output_section->vma
                 + splt->output_offset
                 + h->plt.offset) - value;
       }

      value -= (input_section->output_section->vma
              + input_section->output_offset);
      value -= offset;
      value += addend;

      bfd_put_32 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_PLT16:
      if (h != NULL
         && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
         && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
         && h->plt.offset != (bfd_vma) -1)
       {
         asection * splt;

         splt = bfd_get_section_by_name (dynobj, ".plt");

         value = (splt->output_section->vma
                 + splt->output_offset
                 + h->plt.offset) - value;
       }

      value -= (input_section->output_section->vma
              + input_section->output_offset);
      value -= offset;
      value += addend;

      if ((long) value > 0xffff || (long) value < -0x10000)
       return bfd_reloc_overflow;

      bfd_put_16 (input_bfd, value, hit_data);
      return bfd_reloc_ok;

    case R_MN10300_GOT32:
    case R_MN10300_GOT24:
    case R_MN10300_GOT16:
      {
       asection * sgot;

       sgot = bfd_get_section_by_name (dynobj, ".got");

         if (h != NULL)
           {
             bfd_vma off;

             off = h->got.offset;
             BFD_ASSERT (off != (bfd_vma) -1);

             if (! elf_hash_table (info)->dynamic_sections_created
                || SYMBOL_REFERENCES_LOCAL (info, h))
              /* 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.

                 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.  */
              bfd_put_32 (output_bfd, value,
                         sgot->contents + off);

             value = sgot->output_offset + off;
           }
         else
           {
             bfd_vma off;

             off = elf_local_got_offsets (input_bfd)[symndx];

             bfd_put_32 (output_bfd, value, sgot->contents + off);

             if (info->shared)
              {
                asection * srelgot;
                Elf_Internal_Rela outrel;

                srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
                BFD_ASSERT (srelgot != NULL);

                outrel.r_offset = (sgot->output_section->vma
                                 + sgot->output_offset
                                 + off);
                outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
                outrel.r_addend = value;
                bfd_elf32_swap_reloca_out (output_bfd, &outrel,
                                        (bfd_byte *) (((Elf32_External_Rela *)
                                                     srelgot->contents)
                                                    + srelgot->reloc_count));
                ++ srelgot->reloc_count;
              }

             value = sgot->output_offset + off;
           }
      }

      value += addend;

      if (r_type == R_MN10300_GOT32)
       {
         bfd_put_32 (input_bfd, value, hit_data);
         return bfd_reloc_ok;
       }
      else if (r_type == R_MN10300_GOT24)
       {
         if ((long) value > 0x7fffff || (long) value < -0x800000)
           return bfd_reloc_overflow;

         bfd_put_8 (input_bfd, value & 0xff, hit_data);
         bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
         bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
         return bfd_reloc_ok;
       }
      else if (r_type == R_MN10300_GOT16)
       {
         if ((long) value > 0xffff || (long) value < -0x10000)
           return bfd_reloc_overflow;

         bfd_put_16 (input_bfd, value, hit_data);
         return bfd_reloc_ok;
       }
      /* Fall through.  */

    default:
      return bfd_reloc_notsupported;
    }
}

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static asection* mn10300_elf_gc_mark_hook ( asection sec,
struct bfd_link_info info,
Elf_Internal_Rela rel,
struct elf_link_hash_entry h,
Elf_Internal_Sym *  sym 
) [static]

Definition at line 939 of file elf-m10300.c.

{
  if (h != NULL)
    switch (ELF32_R_TYPE (rel->r_info))
      {
      case R_MN10300_GNU_VTINHERIT:
      case R_MN10300_GNU_VTENTRY:
       return NULL;
      }

  return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}

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static bfd_byte* mn10300_elf_get_relocated_section_contents ( bfd output_bfd,
struct bfd_link_info link_info,
struct bfd_link_order link_order,
bfd_byte data,
bfd_boolean  relocatable,
asymbol **  symbols 
) [static]

Definition at line 3635 of file elf-m10300.c.

{
  Elf_Internal_Shdr *symtab_hdr;
  asection *input_section = link_order->u.indirect.section;
  bfd *input_bfd = input_section->owner;
  asection **sections = NULL;
  Elf_Internal_Rela *internal_relocs = NULL;
  Elf_Internal_Sym *isymbuf = NULL;

  /* We only need to handle the case of relaxing, or of having a
     particular set of section contents, specially.  */
  if (relocatable
      || elf_section_data (input_section)->this_hdr.contents == NULL)
    return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
                                                 link_order, data,
                                                 relocatable,
                                                 symbols);

  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;

  memcpy (data, elf_section_data (input_section)->this_hdr.contents,
         (size_t) input_section->size);

  if ((input_section->flags & SEC_RELOC) != 0
      && input_section->reloc_count > 0)
    {
      asection **secpp;
      Elf_Internal_Sym *isym, *isymend;
      bfd_size_type amt;

      internal_relocs = (_bfd_elf_link_read_relocs
                      (input_bfd, input_section, (PTR) NULL,
                       (Elf_Internal_Rela *) NULL, FALSE));
      if (internal_relocs == NULL)
       goto error_return;

      if (symtab_hdr->sh_info != 0)
       {
         isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
         if (isymbuf == NULL)
           isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
                                       symtab_hdr->sh_info, 0,
                                       NULL, NULL, NULL);
         if (isymbuf == NULL)
           goto error_return;
       }

      amt = symtab_hdr->sh_info;
      amt *= sizeof (asection *);
      sections = (asection **) bfd_malloc (amt);
      if (sections == NULL && amt != 0)
       goto error_return;

      isymend = isymbuf + symtab_hdr->sh_info;
      for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
       {
         asection *isec;

         if (isym->st_shndx == SHN_UNDEF)
           isec = bfd_und_section_ptr;
         else if (isym->st_shndx == SHN_ABS)
           isec = bfd_abs_section_ptr;
         else if (isym->st_shndx == SHN_COMMON)
           isec = bfd_com_section_ptr;
         else
           isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);

         *secpp = isec;
       }

      if (! mn10300_elf_relocate_section (output_bfd, link_info, input_bfd,
                                 input_section, data, internal_relocs,
                                 isymbuf, sections))
       goto error_return;

      if (sections != NULL)
       free (sections);
      if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
       free (isymbuf);
      if (internal_relocs != elf_section_data (input_section)->relocs)
       free (internal_relocs);
    }

  return data;

 error_return:
  if (sections != NULL)
    free (sections);
  if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
    free (isymbuf);
  if (internal_relocs != NULL
      && internal_relocs != elf_section_data (input_section)->relocs)
    free (internal_relocs);
  return NULL;
}

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static bfd_boolean mn10300_elf_relax_delete_bytes ( bfd abfd,
asection sec,
bfd_vma  addr,
int  count 
) [static]

Definition at line 3511 of file elf-m10300.c.

{
  Elf_Internal_Shdr *symtab_hdr;
  unsigned int sec_shndx;
  bfd_byte *contents;
  Elf_Internal_Rela *irel, *irelend;
  Elf_Internal_Rela *irelalign;
  bfd_vma toaddr;
  Elf_Internal_Sym *isym, *isymend;
  struct elf_link_hash_entry **sym_hashes;
  struct elf_link_hash_entry **end_hashes;
  unsigned int symcount;

  sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);

  contents = elf_section_data (sec)->this_hdr.contents;

  /* The deletion must stop at the next ALIGN reloc for an aligment
     power larger than the number of bytes we are deleting.  */

  irelalign = NULL;
  toaddr = sec->size;

  irel = elf_section_data (sec)->relocs;
  irelend = irel + sec->reloc_count;

  /* Actually delete the bytes.  */
  memmove (contents + addr, contents + addr + count,
          (size_t) (toaddr - addr - count));
  sec->size -= count;

  /* Adjust all the relocs.  */
  for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
    {
      /* Get the new reloc address.  */
      if ((irel->r_offset > addr
          && irel->r_offset < toaddr))
       irel->r_offset -= count;
    }

  /* Adjust the local symbols defined in this section.  */
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  isym = (Elf_Internal_Sym *) symtab_hdr->contents;
  for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
    {
      if (isym->st_shndx == sec_shndx
         && isym->st_value > addr
         && isym->st_value < toaddr)
       isym->st_value -= count;
    }

  /* Now adjust the global symbols defined in this section.  */
  symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
             - symtab_hdr->sh_info);
  sym_hashes = elf_sym_hashes (abfd);
  end_hashes = sym_hashes + symcount;
  for (; sym_hashes < end_hashes; sym_hashes++)
    {
      struct elf_link_hash_entry *sym_hash = *sym_hashes;
      if ((sym_hash->root.type == bfd_link_hash_defined
          || sym_hash->root.type == bfd_link_hash_defweak)
         && sym_hash->root.u.def.section == sec
         && sym_hash->root.u.def.value > addr
         && sym_hash->root.u.def.value < toaddr)
       {
         sym_hash->root.u.def.value -= count;
       }
    }

  return TRUE;
}

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static bfd_boolean mn10300_elf_relax_section ( bfd abfd,
asection sec,
struct bfd_link_info link_info,
bfd_boolean again 
) [static]

Definition at line 1695 of file elf-m10300.c.

{
  Elf_Internal_Shdr *symtab_hdr;
  Elf_Internal_Rela *internal_relocs = NULL;
  Elf_Internal_Rela *irel, *irelend;
  bfd_byte *contents = NULL;
  Elf_Internal_Sym *isymbuf = NULL;
  struct elf32_mn10300_link_hash_table *hash_table;
  asection *section = sec;

  /* Assume nothing changes.  */
  *again = FALSE;

  /* We need a pointer to the mn10300 specific hash table.  */
  hash_table = elf32_mn10300_hash_table (link_info);

  /* Initialize fields in each hash table entry the first time through.  */
  if ((hash_table->flags & MN10300_HASH_ENTRIES_INITIALIZED) == 0)
    {
      bfd *input_bfd;

      /* Iterate over all the input bfds.  */
      for (input_bfd = link_info->input_bfds;
          input_bfd != NULL;
          input_bfd = input_bfd->link_next)
       {
         /* We're going to need all the symbols for each bfd.  */
         symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
         if (symtab_hdr->sh_info != 0)
           {
             isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
             if (isymbuf == NULL)
              isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
                                          symtab_hdr->sh_info, 0,
                                          NULL, NULL, NULL);
             if (isymbuf == NULL)
              goto error_return;
           }

         /* Iterate over each section in this bfd.  */
         for (section = input_bfd->sections;
              section != NULL;
              section = section->next)
           {
             struct elf32_mn10300_link_hash_entry *hash;
             Elf_Internal_Sym *sym;
             asection *sym_sec = NULL;
             const char *sym_name;
             char *new_name;

             /* If there's nothing to do in this section, skip it.  */
             if (! ((section->flags & SEC_RELOC) != 0
                   && section->reloc_count != 0))
              continue;
             if ((section->flags & SEC_ALLOC) == 0)
              continue;

             /* Get cached copy of section contents if it exists.  */
             if (elf_section_data (section)->this_hdr.contents != NULL)
              contents = elf_section_data (section)->this_hdr.contents;
             else if (section->size != 0)
              {
                /* Go get them off disk.  */
                if (!bfd_malloc_and_get_section (input_bfd, section,
                                             &contents))
                  goto error_return;
              }
             else
              contents = NULL;

             /* If there aren't any relocs, then there's nothing to do.  */
             if ((section->flags & SEC_RELOC) != 0
                && section->reloc_count != 0)
              {

                /* Get a copy of the native relocations.  */
                internal_relocs = (_bfd_elf_link_read_relocs
                                 (input_bfd, section, (PTR) NULL,
                                  (Elf_Internal_Rela *) NULL,
                                  link_info->keep_memory));
                if (internal_relocs == NULL)
                  goto error_return;

                /* Now examine each relocation.  */
                irel = internal_relocs;
                irelend = irel + section->reloc_count;
                for (; irel < irelend; irel++)
                  {
                    long r_type;
                    unsigned long r_index;
                    unsigned char code;

                    r_type = ELF32_R_TYPE (irel->r_info);
                    r_index = ELF32_R_SYM (irel->r_info);

                    if (r_type < 0 || r_type >= (int) R_MN10300_MAX)
                     goto error_return;

                    /* We need the name and hash table entry of the target
                      symbol!  */
                    hash = NULL;
                    sym = NULL;
                    sym_sec = NULL;

                    if (r_index < symtab_hdr->sh_info)
                     {
                       /* A local symbol.  */
                       Elf_Internal_Sym *isym;
                       struct elf_link_hash_table *elftab;
                       bfd_size_type amt;

                       isym = isymbuf + r_index;
                       if (isym->st_shndx == SHN_UNDEF)
                         sym_sec = bfd_und_section_ptr;
                       else if (isym->st_shndx == SHN_ABS)
                         sym_sec = bfd_abs_section_ptr;
                       else if (isym->st_shndx == SHN_COMMON)
                         sym_sec = bfd_com_section_ptr;
                       else
                         sym_sec
                           = bfd_section_from_elf_index (input_bfd,
                                                     isym->st_shndx);

                       sym_name
                         = bfd_elf_string_from_elf_section (input_bfd,
                                                        (symtab_hdr
                                                        ->sh_link),
                                                        isym->st_name);

                       /* If it isn't a function, then we don't care
                          about it.  */
                       if (ELF_ST_TYPE (isym->st_info) != STT_FUNC)
                         continue;

                       /* Tack on an ID so we can uniquely identify this
                          local symbol in the global hash table.  */
                       amt = strlen (sym_name) + 10;
                       new_name = bfd_malloc (amt);
                       if (new_name == 0)
                         goto error_return;

                       sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
                       sym_name = new_name;

                       elftab = &hash_table->static_hash_table->root;
                       hash = ((struct elf32_mn10300_link_hash_entry *)
                              elf_link_hash_lookup (elftab, sym_name,
                                                 TRUE, TRUE, FALSE));
                       free (new_name);
                     }
                    else
                     {
                       r_index -= symtab_hdr->sh_info;
                       hash = (struct elf32_mn10300_link_hash_entry *)
                               elf_sym_hashes (input_bfd)[r_index];
                     }

                    sym_name = hash->root.root.root.string;
                    if ((section->flags & SEC_CODE) != 0)
                     {
                       /* If this is not a "call" instruction, then we
                          should convert "call" instructions to "calls"
                          instructions.  */
                       code = bfd_get_8 (input_bfd,
                                       contents + irel->r_offset - 1);
                       if (code != 0xdd && code != 0xcd)
                         hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
                     }

                    /* If this is a jump/call, then bump the
                      direct_calls counter.  Else force "call" to
                      "calls" conversions.  */
                    if (r_type == R_MN10300_PCREL32
                       || r_type == R_MN10300_PLT32
                       || r_type == R_MN10300_PLT16
                       || r_type == R_MN10300_PCREL16)
                     hash->direct_calls++;
                    else
                     hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
                  }
              }

             /* Now look at the actual contents to get the stack size,
               and a list of what registers were saved in the prologue
               (ie movm_args).  */
             if ((section->flags & SEC_CODE) != 0)
              {
                Elf_Internal_Sym *isym, *isymend;
                unsigned int sec_shndx;
                struct elf_link_hash_entry **hashes;
                struct elf_link_hash_entry **end_hashes;
                unsigned int symcount;

                sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
                                                         section);

                symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
                           - symtab_hdr->sh_info);
                hashes = elf_sym_hashes (input_bfd);
                end_hashes = hashes + symcount;

                /* Look at each function defined in this section and
                   update info for that function.  */
                isymend = isymbuf + symtab_hdr->sh_info;
                for (isym = isymbuf; isym < isymend; isym++)
                  {
                    if (isym->st_shndx == sec_shndx
                       && ELF_ST_TYPE (isym->st_info) == STT_FUNC)
                     {
                       struct elf_link_hash_table *elftab;
                       bfd_size_type amt;
                       struct elf_link_hash_entry **lhashes = hashes;

                       /* Skip a local symbol if it aliases a
                          global one.  */
                       for (; lhashes < end_hashes; lhashes++)
                         {
                           hash = (struct elf32_mn10300_link_hash_entry *) *lhashes;
                           if ((hash->root.root.type == bfd_link_hash_defined
                               || hash->root.root.type == bfd_link_hash_defweak)
                              && hash->root.root.u.def.section == section
                              && hash->root.type == STT_FUNC
                              && hash->root.root.u.def.value == isym->st_value)
                            break;
                         }
                       if (lhashes != end_hashes)
                         continue;

                       if (isym->st_shndx == SHN_UNDEF)
                         sym_sec = bfd_und_section_ptr;
                       else if (isym->st_shndx == SHN_ABS)
                         sym_sec = bfd_abs_section_ptr;
                       else if (isym->st_shndx == SHN_COMMON)
                         sym_sec = bfd_com_section_ptr;
                       else
                         sym_sec
                           = bfd_section_from_elf_index (input_bfd,
                                                     isym->st_shndx);

                       sym_name = (bfd_elf_string_from_elf_section
                                  (input_bfd, symtab_hdr->sh_link,
                                   isym->st_name));

                       /* Tack on an ID so we can uniquely identify this
                          local symbol in the global hash table.  */
                       amt = strlen (sym_name) + 10;
                       new_name = bfd_malloc (amt);
                       if (new_name == 0)
                         goto error_return;

                       sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
                       sym_name = new_name;

                       elftab = &hash_table->static_hash_table->root;
                       hash = ((struct elf32_mn10300_link_hash_entry *)
                              elf_link_hash_lookup (elftab, sym_name,
                                                 TRUE, TRUE, FALSE));
                       free (new_name);
                       compute_function_info (input_bfd, hash,
                                           isym->st_value, contents);
                       hash->value = isym->st_value;
                     }
                  }

                for (; hashes < end_hashes; hashes++)
                  {
                    hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
                    if ((hash->root.root.type == bfd_link_hash_defined
                        || hash->root.root.type == bfd_link_hash_defweak)
                       && hash->root.root.u.def.section == section
                       && hash->root.type == STT_FUNC)
                     compute_function_info (input_bfd, hash,
                                          (hash)->root.root.u.def.value,
                                          contents);
                  }
              }

             /* Cache or free any memory we allocated for the relocs.  */
             if (internal_relocs != NULL
                && elf_section_data (section)->relocs != internal_relocs)
              free (internal_relocs);
             internal_relocs = NULL;

             /* Cache or free any memory we allocated for the contents.  */
             if (contents != NULL
                && elf_section_data (section)->this_hdr.contents != contents)
              {
                if (! link_info->keep_memory)
                  free (contents);
                else
                  {
                    /* Cache the section contents for elf_link_input_bfd.  */
                    elf_section_data (section)->this_hdr.contents = contents;
                  }
              }
             contents = NULL;
           }

         /* Cache or free any memory we allocated for the symbols.  */
         if (isymbuf != NULL
             && symtab_hdr->contents != (unsigned char *) isymbuf)
           {
             if (! link_info->keep_memory)
              free (isymbuf);
             else
              {
                /* Cache the symbols for elf_link_input_bfd.  */
                symtab_hdr->contents = (unsigned char *) isymbuf;
              }
           }
         isymbuf = NULL;
       }

      /* Now iterate on each symbol in the hash table and perform
        the final initialization steps on each.  */
      elf32_mn10300_link_hash_traverse (hash_table,
                                   elf32_mn10300_finish_hash_table_entry,
                                   link_info);
      elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
                                   elf32_mn10300_finish_hash_table_entry,
                                   link_info);

      {
       /* This section of code collects all our local symbols, sorts
          them by value, and looks for multiple symbols referring to
          the same address.  For those symbols, the flags are merged.
          At this point, the only flag that can be set is
          MN10300_CONVERT_CALL_TO_CALLS, so we simply OR the flags
          together.  */
       int static_count = 0, i;
       struct elf32_mn10300_link_hash_entry **entries;
       struct elf32_mn10300_link_hash_entry **ptr;

       elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
                                     elf32_mn10300_count_hash_table_entries,
                                     &static_count);

       entries = (struct elf32_mn10300_link_hash_entry **)
         bfd_malloc (static_count * sizeof (struct elf32_mn10300_link_hash_entry *));

       ptr = entries;
       elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
                                     elf32_mn10300_list_hash_table_entries,
                                     &ptr);

       qsort (entries, static_count, sizeof(entries[0]), sort_by_value);

       for (i=0; i<static_count-1; i++)
         if (entries[i]->value && entries[i]->value == entries[i+1]->value)
           {
             int v = entries[i]->flags;
             int j;
             for (j=i+1; j<static_count && entries[j]->value == entries[i]->value; j++)
              v |= entries[j]->flags;
             for (j=i; j<static_count && entries[j]->value == entries[i]->value; j++)
              entries[j]->flags = v;
             i = j-1;
           }
      }

      /* All entries in the hash table are fully initialized.  */
      hash_table->flags |= MN10300_HASH_ENTRIES_INITIALIZED;

      /* Now that everything has been initialized, go through each
        code section and delete any prologue insns which will be
        redundant because their operations will be performed by
        a "call" instruction.  */
      for (input_bfd = link_info->input_bfds;
          input_bfd != NULL;
          input_bfd = input_bfd->link_next)
       {
         /* We're going to need all the local symbols for each bfd.  */
         symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
         if (symtab_hdr->sh_info != 0)
           {
             isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
             if (isymbuf == NULL)
              isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
                                          symtab_hdr->sh_info, 0,
                                          NULL, NULL, NULL);
             if (isymbuf == NULL)
              goto error_return;
           }

         /* Walk over each section in this bfd.  */
         for (section = input_bfd->sections;
              section != NULL;
              section = section->next)
           {
             unsigned int sec_shndx;
             Elf_Internal_Sym *isym, *isymend;
             struct elf_link_hash_entry **hashes;
             struct elf_link_hash_entry **end_hashes;
             unsigned int symcount;

             /* Skip non-code sections and empty sections.  */
             if ((section->flags & SEC_CODE) == 0 || section->size == 0)
              continue;

             if (section->reloc_count != 0)
              {
                /* Get a copy of the native relocations.  */
                internal_relocs = (_bfd_elf_link_read_relocs
                                 (input_bfd, section, (PTR) NULL,
                                  (Elf_Internal_Rela *) NULL,
                                  link_info->keep_memory));
                if (internal_relocs == NULL)
                  goto error_return;
              }

             /* Get cached copy of section contents if it exists.  */
             if (elf_section_data (section)->this_hdr.contents != NULL)
              contents = elf_section_data (section)->this_hdr.contents;
             else
              {
                /* Go get them off disk.  */
                if (!bfd_malloc_and_get_section (input_bfd, section,
                                             &contents))
                  goto error_return;
              }

             sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
                                                      section);

             /* Now look for any function in this section which needs
               insns deleted from its prologue.  */
             isymend = isymbuf + symtab_hdr->sh_info;
             for (isym = isymbuf; isym < isymend; isym++)
              {
                struct elf32_mn10300_link_hash_entry *sym_hash;
                asection *sym_sec = NULL;
                const char *sym_name;
                char *new_name;
                struct elf_link_hash_table *elftab;
                bfd_size_type amt;

                if (isym->st_shndx != sec_shndx)
                  continue;

                if (isym->st_shndx == SHN_UNDEF)
                  sym_sec = bfd_und_section_ptr;
                else if (isym->st_shndx == SHN_ABS)
                  sym_sec = bfd_abs_section_ptr;
                else if (isym->st_shndx == SHN_COMMON)
                  sym_sec = bfd_com_section_ptr;
                else
                  sym_sec
                    = bfd_section_from_elf_index (input_bfd, isym->st_shndx);

                sym_name
                  = bfd_elf_string_from_elf_section (input_bfd,
                                                 symtab_hdr->sh_link,
                                                 isym->st_name);

                /* Tack on an ID so we can uniquely identify this
                   local symbol in the global hash table.  */
                amt = strlen (sym_name) + 10;
                new_name = bfd_malloc (amt);
                if (new_name == 0)
                  goto error_return;
                sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
                sym_name = new_name;

                elftab = &hash_table->static_hash_table->root;
                sym_hash = ((struct elf32_mn10300_link_hash_entry *)
                           elf_link_hash_lookup (elftab, sym_name,
                                              FALSE, FALSE, FALSE));

                free (new_name);
                if (sym_hash == NULL)
                  continue;

                if (! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
                    && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
                  {
                    int bytes = 0;

                    /* Note that we've changed things.  */
                    elf_section_data (section)->relocs = internal_relocs;
                    elf_section_data (section)->this_hdr.contents = contents;
                    symtab_hdr->contents = (unsigned char *) isymbuf;

                    /* Count how many bytes we're going to delete.  */
                    if (sym_hash->movm_args)
                     bytes += 2;

                    if (sym_hash->stack_size > 0)
                     {
                       if (sym_hash->stack_size <= 128)
                         bytes += 3;
                       else
                         bytes += 4;
                     }

                    /* Note that we've deleted prologue bytes for this
                      function.  */
                    sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;

                    /* Actually delete the bytes.  */
                    if (!mn10300_elf_relax_delete_bytes (input_bfd,
                                                    section,
                                                    isym->st_value,
                                                    bytes))
                     goto error_return;

                    /* Something changed.  Not strictly necessary, but
                      may lead to more relaxing opportunities.  */
                    *again = TRUE;
                  }
              }

             /* Look for any global functions in this section which
               need insns deleted from their prologues.  */
             symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
                       - symtab_hdr->sh_info);
             hashes = elf_sym_hashes (input_bfd);
             end_hashes = hashes + symcount;
             for (; hashes < end_hashes; hashes++)
              {
                struct elf32_mn10300_link_hash_entry *sym_hash;

                sym_hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
                if ((sym_hash->root.root.type == bfd_link_hash_defined
                     || sym_hash->root.root.type == bfd_link_hash_defweak)
                    && sym_hash->root.root.u.def.section == section
                    && ! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
                    && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
                  {
                    int bytes = 0;
                    bfd_vma symval;

                    /* Note that we've changed things.  */
                    elf_section_data (section)->relocs = internal_relocs;
                    elf_section_data (section)->this_hdr.contents = contents;
                    symtab_hdr->contents = (unsigned char *) isymbuf;

                    /* Count how many bytes we're going to delete.  */
                    if (sym_hash->movm_args)
                     bytes += 2;

                    if (sym_hash->stack_size > 0)
                     {
                       if (sym_hash->stack_size <= 128)
                         bytes += 3;
                       else
                         bytes += 4;
                     }

                    /* Note that we've deleted prologue bytes for this
                      function.  */
                    sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;

                    /* Actually delete the bytes.  */
                    symval = sym_hash->root.root.u.def.value;
                    if (!mn10300_elf_relax_delete_bytes (input_bfd,
                                                    section,
                                                    symval,
                                                    bytes))
                     goto error_return;

                    /* Something changed.  Not strictly necessary, but
                      may lead to more relaxing opportunities.  */
                    *again = TRUE;
                  }
              }

             /* Cache or free any memory we allocated for the relocs.  */
             if (internal_relocs != NULL
                && elf_section_data (section)->relocs != internal_relocs)
              free (internal_relocs);
             internal_relocs = NULL;

             /* Cache or free any memory we allocated for the contents.  */
             if (contents != NULL
                && elf_section_data (section)->this_hdr.contents != contents)
              {
                if (! link_info->keep_memory)
                  free (contents);
                else
                  {
                    /* Cache the section contents for elf_link_input_bfd.  */
                    elf_section_data (section)->this_hdr.contents = contents;
                  }
              }
             contents = NULL;
           }

         /* Cache or free any memory we allocated for the symbols.  */
         if (isymbuf != NULL
             && symtab_hdr->contents != (unsigned char *) isymbuf)
           {
             if (! link_info->keep_memory)
              free (isymbuf);
             else
              {
                /* Cache the symbols for elf_link_input_bfd.  */
                symtab_hdr->contents = (unsigned char *) isymbuf;
              }
           }
         isymbuf = NULL;
       }
    }

  /* (Re)initialize for the basic instruction shortening/relaxing pass.  */
  contents = NULL;
  internal_relocs = NULL;
  isymbuf = NULL;
  /* For error_return.  */
  section = sec;

  /* We don't have to do anything for a relocatable link, if
     this section does not have relocs, or if this is not a
     code section.  */
  if (link_info->relocatable
      || (sec->flags & SEC_RELOC) == 0
      || sec->reloc_count == 0
      || (sec->flags & SEC_CODE) == 0)
    return TRUE;

  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;

  /* Get a copy of the native relocations.  */
  internal_relocs = (_bfd_elf_link_read_relocs
                   (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
                    link_info->keep_memory));
  if (internal_relocs == NULL)
    goto error_return;

  /* Walk through them looking for relaxing opportunities.  */
  irelend = internal_relocs + sec->reloc_count;
  for (irel = internal_relocs; irel < irelend; irel++)
    {
      bfd_vma symval;
      struct elf32_mn10300_link_hash_entry *h = NULL;

      /* If this isn't something that can be relaxed, then ignore
        this reloc.  */
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_NONE
         || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_8
         || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_MAX)
       continue;

      /* Get the section contents if we haven't done so already.  */
      if (contents == NULL)
       {
         /* Get cached copy if it exists.  */
         if (elf_section_data (sec)->this_hdr.contents != NULL)
           contents = elf_section_data (sec)->this_hdr.contents;
         else
           {
             /* Go get them off disk.  */
             if (!bfd_malloc_and_get_section (abfd, sec, &contents))
              goto error_return;
           }
       }

      /* Read this BFD's symbols if we haven't done so already.  */
      if (isymbuf == NULL && symtab_hdr->sh_info != 0)
       {
         isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
         if (isymbuf == NULL)
           isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
                                       symtab_hdr->sh_info, 0,
                                       NULL, NULL, NULL);
         if (isymbuf == NULL)
           goto error_return;
       }

      /* Get the value of the symbol referred to by the reloc.  */
      if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
       {
         Elf_Internal_Sym *isym;
         asection *sym_sec = NULL;
         const char *sym_name;
         char *new_name;
         bfd_vma saved_addend;

         /* A local symbol.  */
         isym = isymbuf + ELF32_R_SYM (irel->r_info);
         if (isym->st_shndx == SHN_UNDEF)
           sym_sec = bfd_und_section_ptr;
         else if (isym->st_shndx == SHN_ABS)
           sym_sec = bfd_abs_section_ptr;
         else if (isym->st_shndx == SHN_COMMON)
           sym_sec = bfd_com_section_ptr;
         else
           sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);

         sym_name = bfd_elf_string_from_elf_section (abfd,
                                                symtab_hdr->sh_link,
                                                isym->st_name);

         if ((sym_sec->flags & SEC_MERGE)
             && ELF_ST_TYPE (isym->st_info) == STT_SECTION
             && sym_sec->sec_info_type == ELF_INFO_TYPE_MERGE)
           {
             saved_addend = irel->r_addend;
             symval = _bfd_elf_rela_local_sym (abfd, isym, &sym_sec, irel);
             symval += irel->r_addend;
             irel->r_addend = saved_addend;
           }
         else
           {
             symval = (isym->st_value
                     + sym_sec->output_section->vma
                     + sym_sec->output_offset);
           }
         /* Tack on an ID so we can uniquely identify this
            local symbol in the global hash table.  */
         new_name = bfd_malloc ((bfd_size_type) strlen (sym_name) + 10);
         if (new_name == 0)
           goto error_return;
         sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
         sym_name = new_name;

         h = (struct elf32_mn10300_link_hash_entry *)
              elf_link_hash_lookup (&hash_table->static_hash_table->root,
                                  sym_name, FALSE, FALSE, FALSE);
         free (new_name);
       }
      else
       {
         unsigned long indx;

         /* An external symbol.  */
         indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
         h = (struct elf32_mn10300_link_hash_entry *)
              (elf_sym_hashes (abfd)[indx]);
         BFD_ASSERT (h != NULL);
         if (h->root.root.type != bfd_link_hash_defined
             && h->root.root.type != bfd_link_hash_defweak)
           {
             /* This appears to be a reference to an undefined
              symbol.  Just ignore it--it will be caught by the
              regular reloc processing.  */
             continue;
           }

         symval = (h->root.root.u.def.value
                  + h->root.root.u.def.section->output_section->vma
                  + h->root.root.u.def.section->output_offset);
       }

      /* For simplicity of coding, we are going to modify the section
        contents, the section relocs, and the BFD symbol table.  We
        must tell the rest of the code not to free up this
        information.  It would be possible to instead create a table
        of changes which have to be made, as is done in coff-mips.c;
        that would be more work, but would require less memory when
        the linker is run.  */

      /* Try to turn a 32bit pc-relative branch/call into a 16bit pc-relative
        branch/call, also deal with "call" -> "calls" conversions and
        insertion of prologue data into "call" instructions.  */
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL32
         || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PLT32)
       {
         bfd_vma value = symval;

         if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PLT32
             && h != NULL
             && ELF_ST_VISIBILITY (h->root.other) != STV_INTERNAL
             && ELF_ST_VISIBILITY (h->root.other) != STV_HIDDEN
             && h->root.plt.offset != (bfd_vma) -1)
           {
             asection * splt;

             splt = bfd_get_section_by_name (elf_hash_table (link_info)
                                         ->dynobj, ".plt");

             value = ((splt->output_section->vma
                     + splt->output_offset
                     + h->root.plt.offset)
                     - (sec->output_section->vma
                       + sec->output_offset
                       + irel->r_offset));
           }

         /* If we've got a "call" instruction that needs to be turned
            into a "calls" instruction, do so now.  It saves a byte.  */
         if (h && (h->flags & MN10300_CONVERT_CALL_TO_CALLS))
           {
             unsigned char code;

             /* Get the opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 1);

             /* Make sure we're working with a "call" instruction!  */
             if (code == 0xdd)
              {
                /* Note that we've changed the relocs, section contents,
                   etc.  */
                elf_section_data (sec)->relocs = internal_relocs;
                elf_section_data (sec)->this_hdr.contents = contents;
                symtab_hdr->contents = (unsigned char *) isymbuf;

                /* Fix the opcode.  */
                bfd_put_8 (abfd, 0xfc, contents + irel->r_offset - 1);
                bfd_put_8 (abfd, 0xff, contents + irel->r_offset);

                /* Fix irel->r_offset and irel->r_addend.  */
                irel->r_offset += 1;
                irel->r_addend += 1;

                /* Delete one byte of data.  */
                if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                 irel->r_offset + 3, 1))
                  goto error_return;

                /* That will change things, so, we should relax again.
                   Note that this is not required, and it may be slow.  */
                *again = TRUE;
              }
           }
         else if (h)
           {
             /* We've got a "call" instruction which needs some data
               from target function filled in.  */
             unsigned char code;

             /* Get the opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 1);

             /* Insert data from the target function into the "call"
               instruction if needed.  */
             if (code == 0xdd)
              {
                bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 4);
                bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
                          contents + irel->r_offset + 5);
              }
           }

         /* Deal with pc-relative gunk.  */
         value -= (sec->output_section->vma + sec->output_offset);
         value -= irel->r_offset;
         value += irel->r_addend;

         /* See if the value will fit in 16 bits, note the high value is
            0x7fff + 2 as the target will be two bytes closer if we are
            able to relax.  */
         if ((long) value < 0x8001 && (long) value > -0x8000)
           {
             unsigned char code;

             /* Get the opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 1);

             if (code != 0xdc && code != 0xdd && code != 0xff)
              continue;

             /* Note that we've changed the relocs, section contents, etc.  */
             elf_section_data (sec)->relocs = internal_relocs;
             elf_section_data (sec)->this_hdr.contents = contents;
             symtab_hdr->contents = (unsigned char *) isymbuf;

             /* Fix the opcode.  */
             if (code == 0xdc)
              bfd_put_8 (abfd, 0xcc, contents + irel->r_offset - 1);
             else if (code == 0xdd)
              bfd_put_8 (abfd, 0xcd, contents + irel->r_offset - 1);
             else if (code == 0xff)
              bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);

             /* Fix the relocation's type.  */
             irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                      (ELF32_R_TYPE (irel->r_info)
                                       == (int) R_MN10300_PLT32)
                                      ? R_MN10300_PLT16 :
                                      R_MN10300_PCREL16);

             /* Delete two bytes of data.  */
             if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                             irel->r_offset + 1, 2))
              goto error_return;

             /* That will change things, so, we should relax again.
               Note that this is not required, and it may be slow.  */
             *again = TRUE;
           }
       }

      /* Try to turn a 16bit pc-relative branch into a 8bit pc-relative
        branch.  */
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL16)
       {
         bfd_vma value = symval;

         /* If we've got a "call" instruction that needs to be turned
            into a "calls" instruction, do so now.  It saves a byte.  */
         if (h && (h->flags & MN10300_CONVERT_CALL_TO_CALLS))
           {
             unsigned char code;

             /* Get the opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 1);

             /* Make sure we're working with a "call" instruction!  */
             if (code == 0xcd)
              {
                /* Note that we've changed the relocs, section contents,
                   etc.  */
                elf_section_data (sec)->relocs = internal_relocs;
                elf_section_data (sec)->this_hdr.contents = contents;
                symtab_hdr->contents = (unsigned char *) isymbuf;

                /* Fix the opcode.  */
                bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 1);
                bfd_put_8 (abfd, 0xff, contents + irel->r_offset);

                /* Fix irel->r_offset and irel->r_addend.  */
                irel->r_offset += 1;
                irel->r_addend += 1;

                /* Delete one byte of data.  */
                if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                 irel->r_offset + 1, 1))
                  goto error_return;

                /* That will change things, so, we should relax again.
                   Note that this is not required, and it may be slow.  */
                *again = TRUE;
              }
           }
         else if (h)
           {
             unsigned char code;

             /* Get the opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 1);

             /* Insert data from the target function into the "call"
               instruction if needed.  */
             if (code == 0xcd)
              {
                bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 2);
                bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
                          contents + irel->r_offset + 3);
              }
           }

         /* Deal with pc-relative gunk.  */
         value -= (sec->output_section->vma + sec->output_offset);
         value -= irel->r_offset;
         value += irel->r_addend;

         /* See if the value will fit in 8 bits, note the high value is
            0x7f + 1 as the target will be one bytes closer if we are
            able to relax.  */
         if ((long) value < 0x80 && (long) value > -0x80)
           {
             unsigned char code;

             /* Get the opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 1);

             if (code != 0xcc)
              continue;

             /* Note that we've changed the relocs, section contents, etc.  */
             elf_section_data (sec)->relocs = internal_relocs;
             elf_section_data (sec)->this_hdr.contents = contents;
             symtab_hdr->contents = (unsigned char *) isymbuf;

             /* Fix the opcode.  */
             bfd_put_8 (abfd, 0xca, contents + irel->r_offset - 1);

             /* Fix the relocation's type.  */
             irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                      R_MN10300_PCREL8);

             /* Delete one byte of data.  */
             if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                             irel->r_offset + 1, 1))
              goto error_return;

             /* That will change things, so, we should relax again.
               Note that this is not required, and it may be slow.  */
             *again = TRUE;
           }
       }

      /* Try to eliminate an unconditional 8 bit pc-relative branch
        which immediately follows a conditional 8 bit pc-relative
        branch around the unconditional branch.

           original:        new:
           bCC lab1         bCC' lab2
           bra lab2
          lab1:             lab1:

        This happens when the bCC can't reach lab2 at assembly time,
        but due to other relaxations it can reach at link time.  */
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL8)
       {
         Elf_Internal_Rela *nrel;
         bfd_vma value = symval;
         unsigned char code;

         /* Deal with pc-relative gunk.  */
         value -= (sec->output_section->vma + sec->output_offset);
         value -= irel->r_offset;
         value += irel->r_addend;

         /* Do nothing if this reloc is the last byte in the section.  */
         if (irel->r_offset == sec->size)
           continue;

         /* See if the next instruction is an unconditional pc-relative
            branch, more often than not this test will fail, so we
            test it first to speed things up.  */
         code = bfd_get_8 (abfd, contents + irel->r_offset + 1);
         if (code != 0xca)
           continue;

         /* Also make sure the next relocation applies to the next
            instruction and that it's a pc-relative 8 bit branch.  */
         nrel = irel + 1;
         if (nrel == irelend
             || irel->r_offset + 2 != nrel->r_offset
             || ELF32_R_TYPE (nrel->r_info) != (int) R_MN10300_PCREL8)
           continue;

         /* Make sure our destination immediately follows the
            unconditional branch.  */
         if (symval != (sec->output_section->vma + sec->output_offset
                      + irel->r_offset + 3))
           continue;

         /* Now make sure we are a conditional branch.  This may not
            be necessary, but why take the chance.

            Note these checks assume that R_MN10300_PCREL8 relocs
            only occur on bCC and bCCx insns.  If they occured
            elsewhere, we'd need to know the start of this insn
            for this check to be accurate.  */
         code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
         if (code != 0xc0 && code != 0xc1 && code != 0xc2
             && code != 0xc3 && code != 0xc4 && code != 0xc5
             && code != 0xc6 && code != 0xc7 && code != 0xc8
             && code != 0xc9 && code != 0xe8 && code != 0xe9
             && code != 0xea && code != 0xeb)
           continue;

         /* We also have to be sure there is no symbol/label
            at the unconditional branch.  */
         if (mn10300_elf_symbol_address_p (abfd, sec, isymbuf,
                                       irel->r_offset + 1))
           continue;

         /* Note that we've changed the relocs, section contents, etc.  */
         elf_section_data (sec)->relocs = internal_relocs;
         elf_section_data (sec)->this_hdr.contents = contents;
         symtab_hdr->contents = (unsigned char *) isymbuf;

         /* Reverse the condition of the first branch.  */
         switch (code)
           {
           case 0xc8:
             code = 0xc9;
             break;
           case 0xc9:
             code = 0xc8;
             break;
           case 0xc0:
             code = 0xc2;
             break;
           case 0xc2:
             code = 0xc0;
             break;
           case 0xc3:
             code = 0xc1;
             break;
           case 0xc1:
             code = 0xc3;
             break;
           case 0xc4:
             code = 0xc6;
             break;
           case 0xc6:
             code = 0xc4;
             break;
           case 0xc7:
             code = 0xc5;
             break;
           case 0xc5:
             code = 0xc7;
             break;
           case 0xe8:
             code = 0xe9;
             break;
           case 0x9d:
             code = 0xe8;
             break;
           case 0xea:
             code = 0xeb;
             break;
           case 0xeb:
             code = 0xea;
             break;
           }
         bfd_put_8 (abfd, code, contents + irel->r_offset - 1);

         /* Set the reloc type and symbol for the first branch
            from the second branch.  */
         irel->r_info = nrel->r_info;

         /* Make the reloc for the second branch a null reloc.  */
         nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
                                   R_MN10300_NONE);

         /* Delete two bytes of data.  */
         if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                          irel->r_offset + 1, 2))
           goto error_return;

         /* That will change things, so, we should relax again.
            Note that this is not required, and it may be slow.  */
         *again = TRUE;
       }

      /* Try to turn a 24 immediate, displacement or absolute address
        into a 8 immediate, displacement or absolute address.  */
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_24)
       {
         bfd_vma value = symval;
         value += irel->r_addend;

         /* See if the value will fit in 8 bits.  */
         if ((long) value < 0x7f && (long) value > -0x80)
           {
             unsigned char code;

             /* AM33 insns which have 24 operands are 6 bytes long and
               will have 0xfd as the first byte.  */

             /* Get the first opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 3);

             if (code == 0xfd)
              {
                /* Get the second opcode.  */
                code = bfd_get_8 (abfd, contents + irel->r_offset - 2);

                /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
                   equivalent instructions exists.  */
                if (code != 0x6b && code != 0x7b
                    && code != 0x8b && code != 0x9b
                    && ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
                       || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
                       || (code & 0x0f) == 0x0e))
                  {
                    /* Not safe if the high bit is on as relaxing may
                      move the value out of high mem and thus not fit
                      in a signed 8bit value.  This is currently over
                      conservative.  */
                    if ((value & 0x80) == 0)
                     {
                       /* Note that we've changed the relocation contents,
                          etc.  */
                       elf_section_data (sec)->relocs = internal_relocs;
                       elf_section_data (sec)->this_hdr.contents = contents;
                       symtab_hdr->contents = (unsigned char *) isymbuf;

                       /* Fix the opcode.  */
                       bfd_put_8 (abfd, 0xfb, contents + irel->r_offset - 3);
                       bfd_put_8 (abfd, code, contents + irel->r_offset - 2);

                       /* Fix the relocation's type.  */
                       irel->r_info =
                         ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                     R_MN10300_8);

                       /* Delete two bytes of data.  */
                       if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                        irel->r_offset + 1, 2))
                         goto error_return;

                       /* That will change things, so, we should relax
                          again.  Note that this is not required, and it
                          may be slow.  */
                       *again = TRUE;
                       break;
                     }
                  }
              }
           }
       }

      /* Try to turn a 32bit immediate, displacement or absolute address
        into a 16bit immediate, displacement or absolute address.  */
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_32
         || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOT32
         || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTOFF32)
       {
         bfd_vma value = symval;

         if (ELF32_R_TYPE (irel->r_info) != (int) R_MN10300_32)
           {
             asection * sgot;

             sgot = bfd_get_section_by_name (elf_hash_table (link_info)
                                         ->dynobj, ".got");

             if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOT32)
              {
                value = sgot->output_offset;

                if (h)
                  value += h->root.got.offset;
                else
                  value += (elf_local_got_offsets
                           (abfd)[ELF32_R_SYM (irel->r_info)]);
              }
             else if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTOFF32)
              value -= sgot->output_section->vma;
             else if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTPC32)
              value = (sgot->output_section->vma
                      - (sec->output_section->vma
                         + sec->output_offset
                         + irel->r_offset));
             else
              abort ();
           }

         value += irel->r_addend;

         /* See if the value will fit in 24 bits.
            We allow any 16bit match here.  We prune those we can't
            handle below.  */
         if ((long) value < 0x7fffff && (long) value > -0x800000)
           {
             unsigned char code;

             /* AM33 insns which have 32bit operands are 7 bytes long and
               will have 0xfe as the first byte.  */

             /* Get the first opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 3);

             if (code == 0xfe)
              {
                /* Get the second opcode.  */
                code = bfd_get_8 (abfd, contents + irel->r_offset - 2);

                /* All the am33 32 -> 24 relaxing possibilities.  */
                /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
                   equivalent instructions exists.  */
                if (code != 0x6b && code != 0x7b
                    && code != 0x8b && code != 0x9b
                    && (ELF32_R_TYPE (irel->r_info)
                       != (int) R_MN10300_GOTPC32)
                    && ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
                       || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
                       || (code & 0x0f) == 0x0e))
                  {
                    /* Not safe if the high bit is on as relaxing may
                      move the value out of high mem and thus not fit
                      in a signed 16bit value.  This is currently over
                      conservative.  */
                    if ((value & 0x8000) == 0)
                     {
                       /* Note that we've changed the relocation contents,
                          etc.  */
                       elf_section_data (sec)->relocs = internal_relocs;
                       elf_section_data (sec)->this_hdr.contents = contents;
                       symtab_hdr->contents = (unsigned char *) isymbuf;

                       /* Fix the opcode.  */
                       bfd_put_8 (abfd, 0xfd, contents + irel->r_offset - 3);
                       bfd_put_8 (abfd, code, contents + irel->r_offset - 2);

                       /* Fix the relocation's type.  */
                       irel->r_info =
                         ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                     (ELF32_R_TYPE (irel->r_info)
                                      == (int) R_MN10300_GOTOFF32)
                                     ? R_MN10300_GOTOFF24
                                     : (ELF32_R_TYPE (irel->r_info)
                                        == (int) R_MN10300_GOT32)
                                     ? R_MN10300_GOT24 :
                                     R_MN10300_24);

                       /* Delete one byte of data.  */
                       if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                        irel->r_offset + 3, 1))
                         goto error_return;

                       /* That will change things, so, we should relax
                          again.  Note that this is not required, and it
                          may be slow.  */
                       *again = TRUE;
                       break;
                     }
                  }
              }
           }

         /* See if the value will fit in 16 bits.
            We allow any 16bit match here.  We prune those we can't
            handle below.  */
         if ((long) value < 0x7fff && (long) value > -0x8000)
           {
             unsigned char code;

             /* Most insns which have 32bit operands are 6 bytes long;
               exceptions are pcrel insns and bit insns.

               We handle pcrel insns above.  We don't bother trying
               to handle the bit insns here.

               The first byte of the remaining insns will be 0xfc.  */

             /* Get the first opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 2);

             if (code != 0xfc)
              continue;

             /* Get the second opcode.  */
             code = bfd_get_8 (abfd, contents + irel->r_offset - 1);

             if ((code & 0xf0) < 0x80)
              switch (code & 0xf0)
                {
                /* mov (d32,am),dn   -> mov (d32,am),dn
                   mov dm,(d32,am)   -> mov dn,(d32,am)
                   mov (d32,am),an   -> mov (d32,am),an
                   mov dm,(d32,am)   -> mov dn,(d32,am)
                   movbu (d32,am),dn -> movbu (d32,am),dn
                   movbu dm,(d32,am) -> movbu dn,(d32,am)
                   movhu (d32,am),dn -> movhu (d32,am),dn
                   movhu dm,(d32,am) -> movhu dn,(d32,am) */
                case 0x00:
                case 0x10:
                case 0x20:
                case 0x30:
                case 0x40:
                case 0x50:
                case 0x60:
                case 0x70:
                  /* Not safe if the high bit is on as relaxing may
                     move the value out of high mem and thus not fit
                     in a signed 16bit value.  */
                  if (code == 0xcc
                     && (value & 0x8000))
                    continue;

                  /* Note that we've changed the relocation contents, etc.  */
                  elf_section_data (sec)->relocs = internal_relocs;
                  elf_section_data (sec)->this_hdr.contents = contents;
                  symtab_hdr->contents = (unsigned char *) isymbuf;

                  /* Fix the opcode.  */
                  bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
                  bfd_put_8 (abfd, code, contents + irel->r_offset - 1);

                  /* Fix the relocation's type.  */
                  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                           (ELF32_R_TYPE (irel->r_info)
                                            == (int) R_MN10300_GOTOFF32)
                                           ? R_MN10300_GOTOFF16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOT32)
                                           ? R_MN10300_GOT16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOTPC32)
                                           ? R_MN10300_GOTPC16 :
                                           R_MN10300_16);

                  /* Delete two bytes of data.  */
                  if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                  irel->r_offset + 2, 2))
                    goto error_return;

                  /* That will change things, so, we should relax again.
                     Note that this is not required, and it may be slow.  */
                  *again = TRUE;
                  break;
                }
             else if ((code & 0xf0) == 0x80
                     || (code & 0xf0) == 0x90)
              switch (code & 0xf3)
                {
                /* mov dn,(abs32)   -> mov dn,(abs16)
                   movbu dn,(abs32) -> movbu dn,(abs16)
                   movhu dn,(abs32) -> movhu dn,(abs16)  */
                case 0x81:
                case 0x82:
                case 0x83:
                  /* Note that we've changed the relocation contents, etc.  */
                  elf_section_data (sec)->relocs = internal_relocs;
                  elf_section_data (sec)->this_hdr.contents = contents;
                  symtab_hdr->contents = (unsigned char *) isymbuf;

                  if ((code & 0xf3) == 0x81)
                    code = 0x01 + (code & 0x0c);
                  else if ((code & 0xf3) == 0x82)
                    code = 0x02 + (code & 0x0c);
                  else if ((code & 0xf3) == 0x83)
                    code = 0x03 + (code & 0x0c);
                  else
                    abort ();

                  /* Fix the opcode.  */
                  bfd_put_8 (abfd, code, contents + irel->r_offset - 2);

                  /* Fix the relocation's type.  */
                  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                           (ELF32_R_TYPE (irel->r_info)
                                            == (int) R_MN10300_GOTOFF32)
                                           ? R_MN10300_GOTOFF16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOT32)
                                           ? R_MN10300_GOT16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOTPC32)
                                           ? R_MN10300_GOTPC16 :
                                           R_MN10300_16);

                  /* The opcode got shorter too, so we have to fix the
                     addend and offset too!  */
                  irel->r_offset -= 1;

                  /* Delete three bytes of data.  */
                  if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                  irel->r_offset + 1, 3))
                    goto error_return;

                  /* That will change things, so, we should relax again.
                     Note that this is not required, and it may be slow.  */
                  *again = TRUE;
                  break;

                /* mov am,(abs32)    -> mov am,(abs16)
                   mov am,(d32,sp)   -> mov am,(d16,sp)
                   mov dm,(d32,sp)   -> mov dm,(d32,sp)
                   movbu dm,(d32,sp) -> movbu dm,(d32,sp)
                   movhu dm,(d32,sp) -> movhu dm,(d32,sp) */
                case 0x80:
                case 0x90:
                case 0x91:
                case 0x92:
                case 0x93:
                  /* sp-based offsets are zero-extended.  */
                  if (code >= 0x90 && code <= 0x93
                     && (long)value < 0)
                    continue;

                  /* Note that we've changed the relocation contents, etc.  */
                  elf_section_data (sec)->relocs = internal_relocs;
                  elf_section_data (sec)->this_hdr.contents = contents;
                  symtab_hdr->contents = (unsigned char *) isymbuf;

                  /* Fix the opcode.  */
                  bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
                  bfd_put_8 (abfd, code, contents + irel->r_offset - 1);

                  /* Fix the relocation's type.  */
                  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                           (ELF32_R_TYPE (irel->r_info)
                                            == (int) R_MN10300_GOTOFF32)
                                           ? R_MN10300_GOTOFF16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOT32)
                                           ? R_MN10300_GOT16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOTPC32)
                                           ? R_MN10300_GOTPC16 :
                                           R_MN10300_16);

                  /* Delete two bytes of data.  */
                  if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                  irel->r_offset + 2, 2))
                    goto error_return;

                  /* That will change things, so, we should relax again.
                     Note that this is not required, and it may be slow.  */
                  *again = TRUE;
                  break;
                }
             else if ((code & 0xf0) < 0xf0)
              switch (code & 0xfc)
                {
                /* mov imm32,dn     -> mov imm16,dn
                   mov imm32,an     -> mov imm16,an
                   mov (abs32),dn   -> mov (abs16),dn
                   movbu (abs32),dn -> movbu (abs16),dn
                   movhu (abs32),dn -> movhu (abs16),dn  */
                case 0xcc:
                case 0xdc:
                case 0xa4:
                case 0xa8:
                case 0xac:
                  /* Not safe if the high bit is on as relaxing may
                     move the value out of high mem and thus not fit
                     in a signed 16bit value.  */
                  if (code == 0xcc
                     && (value & 0x8000))
                    continue;

                  /* mov imm16, an zero-extends the immediate.  */
                  if (code == 0xdc
                     && (long)value < 0)
                    continue;

                  /* Note that we've changed the relocation contents, etc.  */
                  elf_section_data (sec)->relocs = internal_relocs;
                  elf_section_data (sec)->this_hdr.contents = contents;
                  symtab_hdr->contents = (unsigned char *) isymbuf;

                  if ((code & 0xfc) == 0xcc)
                    code = 0x2c + (code & 0x03);
                  else if ((code & 0xfc) == 0xdc)
                    code = 0x24 + (code & 0x03);
                  else if ((code & 0xfc) == 0xa4)
                    code = 0x30 + (code & 0x03);
                  else if ((code & 0xfc) == 0xa8)
                    code = 0x34 + (code & 0x03);
                  else if ((code & 0xfc) == 0xac)
                    code = 0x38 + (code & 0x03);
                  else
                    abort ();

                  /* Fix the opcode.  */
                  bfd_put_8 (abfd, code, contents + irel->r_offset - 2);

                  /* Fix the relocation's type.  */
                  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                           (ELF32_R_TYPE (irel->r_info)
                                            == (int) R_MN10300_GOTOFF32)
                                           ? R_MN10300_GOTOFF16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOT32)
                                           ? R_MN10300_GOT16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOTPC32)
                                           ? R_MN10300_GOTPC16 :
                                           R_MN10300_16);

                  /* The opcode got shorter too, so we have to fix the
                     addend and offset too!  */
                  irel->r_offset -= 1;

                  /* Delete three bytes of data.  */
                  if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                  irel->r_offset + 1, 3))
                    goto error_return;

                  /* That will change things, so, we should relax again.
                     Note that this is not required, and it may be slow.  */
                  *again = TRUE;
                  break;

                /* mov (abs32),an    -> mov (abs16),an
                   mov (d32,sp),an   -> mov (d16,sp),an
                   mov (d32,sp),dn   -> mov (d16,sp),dn
                   movbu (d32,sp),dn -> movbu (d16,sp),dn
                   movhu (d32,sp),dn -> movhu (d16,sp),dn
                   add imm32,dn      -> add imm16,dn
                   cmp imm32,dn      -> cmp imm16,dn
                   add imm32,an      -> add imm16,an
                   cmp imm32,an      -> cmp imm16,an
                   and imm32,dn      -> and imm16,dn
                   or imm32,dn       -> or imm16,dn
                   xor imm32,dn      -> xor imm16,dn
                   btst imm32,dn     -> btst imm16,dn */

                case 0xa0:
                case 0xb0:
                case 0xb1:
                case 0xb2:
                case 0xb3:
                case 0xc0:
                case 0xc8:

                case 0xd0:
                case 0xd8:
                case 0xe0:
                case 0xe1:
                case 0xe2:
                case 0xe3:
                  /* cmp imm16, an zero-extends the immediate.  */
                  if (code == 0xdc
                     && (long)value < 0)
                    continue;

                  /* So do sp-based offsets.  */
                  if (code >= 0xb0 && code <= 0xb3
                     && (long)value < 0)
                    continue;

                  /* Note that we've changed the relocation contents, etc.  */
                  elf_section_data (sec)->relocs = internal_relocs;
                  elf_section_data (sec)->this_hdr.contents = contents;
                  symtab_hdr->contents = (unsigned char *) isymbuf;

                  /* Fix the opcode.  */
                  bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
                  bfd_put_8 (abfd, code, contents + irel->r_offset - 1);

                  /* Fix the relocation's type.  */
                  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                           (ELF32_R_TYPE (irel->r_info)
                                            == (int) R_MN10300_GOTOFF32)
                                           ? R_MN10300_GOTOFF16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOT32)
                                           ? R_MN10300_GOT16
                                           : (ELF32_R_TYPE (irel->r_info)
                                              == (int) R_MN10300_GOTPC32)
                                           ? R_MN10300_GOTPC16 :
                                           R_MN10300_16);

                  /* Delete two bytes of data.  */
                  if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                  irel->r_offset + 2, 2))
                    goto error_return;

                  /* That will change things, so, we should relax again.
                     Note that this is not required, and it may be slow.  */
                  *again = TRUE;
                  break;
                }
             else if (code == 0xfe)
              {
                /* add imm32,sp -> add imm16,sp  */

                /* Note that we've changed the relocation contents, etc.  */
                elf_section_data (sec)->relocs = internal_relocs;
                elf_section_data (sec)->this_hdr.contents = contents;
                symtab_hdr->contents = (unsigned char *) isymbuf;

                /* Fix the opcode.  */
                bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
                bfd_put_8 (abfd, 0xfe, contents + irel->r_offset - 1);

                /* Fix the relocation's type.  */
                irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                          (ELF32_R_TYPE (irel->r_info)
                                          == (int) R_MN10300_GOT32)
                                          ? R_MN10300_GOT16
                                          : (ELF32_R_TYPE (irel->r_info)
                                            == (int) R_MN10300_GOTOFF32)
                                          ? R_MN10300_GOTOFF16
                                          : (ELF32_R_TYPE (irel->r_info)
                                            == (int) R_MN10300_GOTPC32)
                                          ? R_MN10300_GOTPC16 :
                                          R_MN10300_16);

                /* Delete two bytes of data.  */
                if (!mn10300_elf_relax_delete_bytes (abfd, sec,
                                                 irel->r_offset + 2, 2))
                  goto error_return;

                /* That will change things, so, we should relax again.
                   Note that this is not required, and it may be slow.  */
                *again = TRUE;
                break;
              }
           }
       }
    }

  if (isymbuf != NULL
      && symtab_hdr->contents != (unsigned char *) isymbuf)
    {
      if (! link_info->keep_memory)
       free (isymbuf);
      else
       {
         /* Cache the symbols for elf_link_input_bfd.  */
         symtab_hdr->contents = (unsigned char *) isymbuf;
       }
    }

  if (contents != NULL
      && elf_section_data (sec)->this_hdr.contents != contents)
    {
      if (! link_info->keep_memory)
       free (contents);
      else
       {
         /* Cache the section contents for elf_link_input_bfd.  */
         elf_section_data (sec)->this_hdr.contents = contents;
       }
    }

  if (internal_relocs != NULL
      && elf_section_data (sec)->relocs != internal_relocs)
    free (internal_relocs);

  return TRUE;

 error_return:
  if (isymbuf != NULL
      && symtab_hdr->contents != (unsigned char *) isymbuf)
    free (isymbuf);
  if (contents != NULL
      && elf_section_data (section)->this_hdr.contents != contents)
    free (contents);
  if (internal_relocs != NULL
      && elf_section_data (section)->relocs != internal_relocs)
    free (internal_relocs);

  return FALSE;
}

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static bfd_boolean mn10300_elf_relocate_section ( 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 
) [static]

Definition at line 1367 of file elf-m10300.c.

{
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  Elf_Internal_Rela *rel, *relend;

  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (input_bfd);

  rel = relocs;
  relend = relocs + input_section->reloc_count;
  for (; rel < relend; rel++)
    {
      int r_type;
      reloc_howto_type *howto;
      unsigned long r_symndx;
      Elf_Internal_Sym *sym;
      asection *sec;
      struct elf32_mn10300_link_hash_entry *h;
      bfd_vma relocation;
      bfd_reloc_status_type r;

      r_symndx = ELF32_R_SYM (rel->r_info);
      r_type = ELF32_R_TYPE (rel->r_info);
      howto = elf_mn10300_howto_table + r_type;

      /* Just skip the vtable gc relocs.  */
      if (r_type == R_MN10300_GNU_VTINHERIT
         || r_type == R_MN10300_GNU_VTENTRY)
       continue;

      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
       {
         bfd_boolean unresolved_reloc;
         bfd_boolean warned;
         struct elf_link_hash_entry *hh;

         RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
                               r_symndx, symtab_hdr, sym_hashes,
                               hh, sec, relocation,
                               unresolved_reloc, warned);

         h = (struct elf32_mn10300_link_hash_entry *) hh;

         if ((h->root.root.type == bfd_link_hash_defined
             || h->root.root.type == bfd_link_hash_defweak)
             && (   r_type == R_MN10300_GOTPC32
                || r_type == R_MN10300_GOTPC16
                || ((   r_type == R_MN10300_PLT32
                     || r_type == R_MN10300_PLT16)
                    && ELF_ST_VISIBILITY (h->root.other) != STV_INTERNAL
                    && ELF_ST_VISIBILITY (h->root.other) != STV_HIDDEN
                    && h->root.plt.offset != (bfd_vma) -1)
                || ((   r_type == R_MN10300_GOT32
                     || r_type == R_MN10300_GOT24
                     || r_type == R_MN10300_GOT16)
                    && elf_hash_table (info)->dynamic_sections_created
                    && !SYMBOL_REFERENCES_LOCAL (info, hh))
                || (r_type == R_MN10300_32
                    && !SYMBOL_REFERENCES_LOCAL (info, hh)
                    && ((input_section->flags & SEC_ALLOC) != 0
                       /* DWARF will emit R_MN10300_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->root.def_dynamic)))))
           /* 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 (!info->relocatable && unresolved_reloc)
           (*_bfd_error_handler)
             (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
              input_bfd,
              input_section,
              (long) rel->r_offset,
              howto->name,
              h->root.root.root.string);
       }

      if (sec != NULL && elf_discarded_section (sec))
       {
         /* For relocs against symbols from removed linkonce sections,
            or sections discarded by a linker script, we just want the
            section contents zeroed.  Avoid any special processing.  */
         _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
         rel->r_info = 0;
         rel->r_addend = 0;
         continue;
       }

      if (info->relocatable)
       continue;

      r = mn10300_elf_final_link_relocate (howto, input_bfd, output_bfd,
                                      input_section,
                                      contents, rel->r_offset,
                                      relocation, rel->r_addend,
                                      (struct elf_link_hash_entry *)h,
                                      r_symndx,
                                      info, sec, h == NULL);

      if (r != bfd_reloc_ok)
       {
         const char *name;
         const char *msg = (const char *) 0;

         if (h != NULL)
           name = h->root.root.root.string;
         else
           {
             name = (bfd_elf_string_from_elf_section
                    (input_bfd, symtab_hdr->sh_link, sym->st_name));
             if (name == NULL || *name == '\0')
              name = bfd_section_name (input_bfd, sec);
           }

         switch (r)
           {
           case bfd_reloc_overflow:
             if (! ((*info->callbacks->reloc_overflow)
                   (info, (h ? &h->root.root : NULL), name,
                    howto->name, (bfd_vma) 0, input_bfd,
                    input_section, rel->r_offset)))
              return FALSE;
             break;

           case bfd_reloc_undefined:
             if (! ((*info->callbacks->undefined_symbol)
                   (info, name, input_bfd, input_section,
                    rel->r_offset, TRUE)))
              return FALSE;
             break;

           case bfd_reloc_outofrange:
             msg = _("internal error: out of range error");
             goto common_error;

           case bfd_reloc_notsupported:
             msg = _("internal error: unsupported relocation error");
             goto common_error;

           case bfd_reloc_dangerous:
             if (r_type == R_MN10300_PCREL32)
              msg = _("error: inappropriate relocation type for shared"
                     " library (did you forget -fpic?)");
             else
              msg = _("internal error: suspicious relocation type used"
                     " in shared library");
             goto common_error;

           default:
             msg = _("internal error: unknown error");
             /* fall through */

           common_error:
             if (!((*info->callbacks->warning)
                  (info, msg, name, input_bfd, input_section,
                   rel->r_offset)))
              return FALSE;
             break;
           }
       }
    }

  return TRUE;
}

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static bfd_boolean mn10300_elf_symbol_address_p ( bfd abfd,
asection sec,
Elf_Internal_Sym *  isym,
bfd_vma  addr 
) [static]

Definition at line 3590 of file elf-m10300.c.

{
  Elf_Internal_Shdr *symtab_hdr;
  unsigned int sec_shndx;
  Elf_Internal_Sym *isymend;
  struct elf_link_hash_entry **sym_hashes;
  struct elf_link_hash_entry **end_hashes;
  unsigned int symcount;

  sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);

  /* Examine all the symbols.  */
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
    {
      if (isym->st_shndx == sec_shndx
         && isym->st_value == addr)
       return TRUE;
    }

  symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
             - symtab_hdr->sh_info);
  sym_hashes = elf_sym_hashes (abfd);
  end_hashes = sym_hashes + symcount;
  for (; sym_hashes < end_hashes; sym_hashes++)
    {
      struct elf_link_hash_entry *sym_hash = *sym_hashes;
      if ((sym_hash->root.type == bfd_link_hash_defined
          || sym_hash->root.type == bfd_link_hash_defweak)
         && sym_hash->root.u.def.section == sec
         && sym_hash->root.u.def.value == addr)
       return TRUE;
    }

  return FALSE;
}

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static void mn10300_info_to_howto ( abfd  ,
arelent cache_ptr,
Elf_Internal_Rela dst 
) [static]

Definition at line 660 of file elf-m10300.c.

{
  unsigned int r_type;

  r_type = ELF32_R_TYPE (dst->r_info);
  BFD_ASSERT (r_type < (unsigned int) R_MN10300_MAX);
  cache_ptr->howto = &elf_mn10300_howto_table[r_type];
}
static bfd_boolean mn10300_elf_relocate_section PARAMS ( (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)  ) [static]
static unsigned long elf_mn10300_mach PARAMS ( (flagword ) [static]
static reloc_howto_type* bfd_elf32_bfd_reloc_type_lookup PARAMS ( (bfd *abfd, bfd_reloc_code_real_type code ) [static]
static void mn10300_info_to_howto PARAMS ( (bfd *, arelent *, Elf_Internal_Rela *)  ) [static]
static bfd_boolean mn10300_elf_symbol_address_p PARAMS ( (bfd *, asection *, Elf_Internal_Sym *, bfd_vma ) [static]
static int sort_by_value ( const void *  va,
const void *  vb 
) [static]

Definition at line 1644 of file elf-m10300.c.

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Variable Documentation

reloc_howto_type elf_mn10300_howto_table[] [static]

Definition at line 161 of file elf-m10300.c.

Initial value:
{
  0xfc, 0x22, 0, 0, 0, 0,   
  0xf0, 0xf4,               
  0xfe, 8, 0, 0, 0, 0, 0,   
  0xf8, 0x22, 8,            
  0xfb, 0xa, 0x1a, 4,              
  0xf0, 0xf4,               
}

Definition at line 3936 of file elf-m10300.c.

Initial value:
{
  0xfc, 0xa0, 0, 0, 0, 0,   
  0xfe, 0xe, 0x10, 0, 0, 0, 0,     
  0xf0, 0xf4,               
}

Definition at line 3921 of file elf-m10300.c.

Initial value:
{
  0xfc, 0xa0, 0, 0, 0, 0,   
  0xf0, 0xf4,               
  0xfe, 8, 0, 0, 0, 0, 0,   
  0xdc, 0, 0, 0, 0,         
}

Definition at line 3928 of file elf-m10300.c.

Initial value:
 {
  { BFD_RELOC_NONE, R_MN10300_NONE, },
  { BFD_RELOC_32, R_MN10300_32, },
  { BFD_RELOC_16, R_MN10300_16, },
  { BFD_RELOC_8, R_MN10300_8, },
  { BFD_RELOC_32_PCREL, R_MN10300_PCREL32, },
  { BFD_RELOC_16_PCREL, R_MN10300_PCREL16, },
  { BFD_RELOC_8_PCREL, R_MN10300_PCREL8, },
  { BFD_RELOC_24, R_MN10300_24, },
  { BFD_RELOC_VTABLE_INHERIT, R_MN10300_GNU_VTINHERIT },
  { BFD_RELOC_VTABLE_ENTRY, R_MN10300_GNU_VTENTRY },
  { BFD_RELOC_32_GOT_PCREL, R_MN10300_GOTPC32 },
  { BFD_RELOC_16_GOT_PCREL, R_MN10300_GOTPC16 },
  { BFD_RELOC_32_GOTOFF, R_MN10300_GOTOFF32 },
  { BFD_RELOC_MN10300_GOTOFF24, R_MN10300_GOTOFF24 },
  { BFD_RELOC_16_GOTOFF, R_MN10300_GOTOFF16 },
  { BFD_RELOC_32_PLT_PCREL, R_MN10300_PLT32 },
  { BFD_RELOC_16_PLT_PCREL, R_MN10300_PLT16 },
  { BFD_RELOC_MN10300_GOT32, R_MN10300_GOT32 },
  { BFD_RELOC_MN10300_GOT24, R_MN10300_GOT24 },
  { BFD_RELOC_MN10300_GOT16, R_MN10300_GOT16 },
  { BFD_RELOC_MN10300_COPY, R_MN10300_COPY },
  { BFD_RELOC_MN10300_GLOB_DAT, R_MN10300_GLOB_DAT },
  { BFD_RELOC_MN10300_JMP_SLOT, R_MN10300_JMP_SLOT },
  { BFD_RELOC_MN10300_RELATIVE, R_MN10300_RELATIVE },
}

Definition at line 508 of file elf-m10300.c.