Back to index

cell-binutils  2.17cvs20070401
Classes | Defines | Functions | Variables
elf32-vax.c File Reference
#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/vax.h"
#include "elf32-target.h"

Go to the source code of this file.

Classes

struct  elf_vax_pcrel_relocs_copied
struct  elf_vax_link_hash_entry

Defines

#define elf_info_to_howto   rtype_to_howto
#define bfd_elf32_bfd_reloc_type_lookup   reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup   reloc_name_lookup
#define ELF_ARCH   bfd_arch_vax
#define ELF_DYNAMIC_INTERPRETER   "/usr/libexec/ld.elf_so"
#define PLT_ENTRY_SIZE   12
#define elf_vax_link_hash_traverse(table, func, info)
#define elf_vax_hash_table(p)   ((struct elf_vax_link_hash_table *) (p)->hash)
#define add_dynamic_entry(TAG, VAL)   _bfd_elf_add_dynamic_entry (info, TAG, VAL)
#define TARGET_LITTLE_SYM   bfd_elf32_vax_vec
#define TARGET_LITTLE_NAME   "elf32-vax"
#define ELF_MACHINE_CODE   EM_VAX
#define ELF_MAXPAGESIZE   0x1000
#define elf_backend_create_dynamic_sections   _bfd_elf_create_dynamic_sections
#define bfd_elf32_bfd_link_hash_table_create   elf_vax_link_hash_table_create
#define bfd_elf32_bfd_final_link   bfd_elf_gc_common_final_link
#define elf_backend_check_relocs   elf_vax_check_relocs
#define elf_backend_adjust_dynamic_symbol   elf_vax_adjust_dynamic_symbol
#define elf_backend_size_dynamic_sections   elf_vax_size_dynamic_sections
#define elf_backend_init_index_section   _bfd_elf_init_1_index_section
#define elf_backend_relocate_section   elf_vax_relocate_section
#define elf_backend_finish_dynamic_symbol   elf_vax_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections   elf_vax_finish_dynamic_sections
#define elf_backend_gc_mark_hook   elf_vax_gc_mark_hook
#define elf_backend_gc_sweep_hook   elf_vax_gc_sweep_hook
#define bfd_elf32_bfd_merge_private_bfd_data   elf32_vax_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags   elf32_vax_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data   elf32_vax_print_private_bfd_data
#define elf_backend_can_gc_sections   1
#define elf_backend_want_got_plt   1
#define elf_backend_plt_readonly   1
#define elf_backend_want_plt_sym   0
#define elf_backend_got_header_size   16
#define elf_backend_rela_normal   1

Functions

static reloc_howto_type * reloc_type_lookup (bfd *, bfd_reloc_code_real_type)
static void rtype_to_howto (bfd *, arelent *, Elf_Internal_Rela *)
static struct bfd_hash_entryelf_vax_link_hash_newfunc (struct bfd_hash_entry *, struct bfd_hash_table *, const char *)
static struct bfd_link_hash_tableelf_vax_link_hash_table_create (bfd *)
static bfd_boolean elf_vax_check_relocs (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *)
static bfd_boolean elf_vax_adjust_dynamic_symbol (struct bfd_link_info *, struct elf_link_hash_entry *)
static bfd_boolean elf_vax_size_dynamic_sections (bfd *, struct bfd_link_info *)
static bfd_boolean elf_vax_relocate_section (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)
static bfd_boolean elf_vax_finish_dynamic_symbol (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, Elf_Internal_Sym *)
static bfd_boolean elf_vax_finish_dynamic_sections (bfd *, struct bfd_link_info *)
static bfd_boolean elf32_vax_set_private_flags (bfd *, flagword)
static bfd_boolean elf32_vax_merge_private_bfd_data (bfd *, bfd *)
static bfd_boolean elf32_vax_print_private_bfd_data (bfd *, PTR)
static void rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, Elf_Internal_Rela *dst)
static reloc_howto_type * reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
static reloc_howto_type * reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
static bfd_boolean elf_vax_discard_copies (struct elf_vax_link_hash_entry *, PTR)
static bfd_boolean elf_vax_instantiate_got_entries (struct elf_link_hash_entry *, PTR)
static asectionelf_vax_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_boolean elf_vax_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, asection *sec, const Elf_Internal_Rela *relocs)
static bfd_boolean elf_vax_discard_copies (struct elf_vax_link_hash_entry *h, PTR ignore ATTRIBUTE_UNUSED)

Variables

static reloc_howto_type howto_table []
struct {
bfd_reloc_code_real_type bfd_val
int elf_val
reloc_map []
static const bfd_byte elf_vax_plt0_entry [PLT_ENTRY_SIZE]
static const bfd_byte elf_vax_plt_entry [PLT_ENTRY_SIZE]

Class Documentation

struct elf_vax_pcrel_relocs_copied

Definition at line 385 of file elf32-vax.c.

Collaboration diagram for elf_vax_pcrel_relocs_copied:
Class Members
bfd_size_type count
struct
elf_vax_pcrel_relocs_copied *
next
asection * section
struct elf_vax_link_hash_entry

Definition at line 397 of file elf32-vax.c.

Collaboration diagram for elf_vax_link_hash_entry:
Class Members
bfd_vma got_addend
struct
elf_vax_pcrel_relocs_copied *
pcrel_relocs_copied
struct elf_vax_link_hash_table

Definition at line 409 of file elf32-vax.c.


Define Documentation

#define add_dynamic_entry (   TAG,
  VAL 
)    _bfd_elf_add_dynamic_entry (info, TAG, VAL)

Definition at line 2095 of file elf32-vax.c.

Definition at line 2093 of file elf32-vax.c.

Definition at line 2110 of file elf32-vax.c.

Definition at line 2114 of file elf32-vax.c.

Definition at line 340 of file elf32-vax.c.

Definition at line 339 of file elf32-vax.c.

Definition at line 2112 of file elf32-vax.c.

#define ELF_ARCH   bfd_arch_vax

Definition at line 341 of file elf32-vax.c.

Definition at line 2098 of file elf32-vax.c.

Definition at line 2117 of file elf32-vax.c.

Definition at line 2097 of file elf32-vax.c.

Definition at line 2091 of file elf32-vax.c.

Definition at line 2106 of file elf32-vax.c.

Definition at line 2104 of file elf32-vax.c.

Definition at line 2108 of file elf32-vax.c.

Definition at line 2109 of file elf32-vax.c.

#define elf_backend_got_header_size   16

Definition at line 2121 of file elf32-vax.c.

Definition at line 2102 of file elf32-vax.c.

#define elf_backend_plt_readonly   1

Definition at line 2119 of file elf32-vax.c.

#define elf_backend_rela_normal   1

Definition at line 2122 of file elf32-vax.c.

Definition at line 2103 of file elf32-vax.c.

Definition at line 2100 of file elf32-vax.c.

#define elf_backend_want_got_plt   1

Definition at line 2118 of file elf32-vax.c.

#define elf_backend_want_plt_sym   0

Definition at line 2120 of file elf32-vax.c.

#define ELF_DYNAMIC_INTERPRETER   "/usr/libexec/ld.elf_so"

Definition at line 349 of file elf32-vax.c.

Definition at line 288 of file elf32-vax.c.

#define ELF_MACHINE_CODE   EM_VAX

Definition at line 2088 of file elf32-vax.c.

#define ELF_MAXPAGESIZE   0x1000

Definition at line 2089 of file elf32-vax.c.

#define elf_vax_hash_table (   p)    ((struct elf_vax_link_hash_table *) (p)->hash)

Definition at line 434 of file elf32-vax.c.

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

Definition at line 426 of file elf32-vax.c.

#define PLT_ENTRY_SIZE   12

Definition at line 353 of file elf32-vax.c.

#define TARGET_LITTLE_NAME   "elf32-vax"

Definition at line 2087 of file elf32-vax.c.

Definition at line 2086 of file elf32-vax.c.


Function Documentation

static bfd_boolean elf32_vax_merge_private_bfd_data ( bfd ibfd,
bfd obfd 
) [static]

Definition at line 502 of file elf32-vax.c.

{
  flagword out_flags;
  flagword in_flags;

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

  in_flags  = elf_elfheader (ibfd)->e_flags;
  out_flags = elf_elfheader (obfd)->e_flags;

  if (!elf_flags_init (obfd))
    {
      elf_flags_init (obfd) = TRUE;
      elf_elfheader (obfd)->e_flags = in_flags;
    }

  return TRUE;
}
static bfd_boolean elf32_vax_print_private_bfd_data ( bfd abfd,
PTR  ptr 
) [static]

Definition at line 525 of file elf32-vax.c.

{
  FILE *file = (FILE *) ptr;

  BFD_ASSERT (abfd != NULL && ptr != NULL);

  /* Print normal ELF private data.  */
  _bfd_elf_print_private_bfd_data (abfd, ptr);

  /* Ignore init flag - it may not be set, despite the flags field containing valid data.  */

  /* xgettext:c-format */
  fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);

  if (elf_elfheader (abfd)->e_flags & EF_VAX_NONPIC)
    fprintf (file, _(" [nonpic]"));

  if (elf_elfheader (abfd)->e_flags & EF_VAX_DFLOAT)
    fprintf (file, _(" [d-float]"));

  if (elf_elfheader (abfd)->e_flags & EF_VAX_GFLOAT)
    fprintf (file, _(" [g-float]"));

  fputc ('\n', file);

  return TRUE;
}

Here is the call graph for this function:

static bfd_boolean elf32_vax_set_private_flags ( bfd abfd,
flagword  flags 
) [static]

Definition at line 492 of file elf32-vax.c.

{
  elf_elfheader (abfd)->e_flags = flags;
  elf_flags_init (abfd) = TRUE;
  return TRUE;
}

Definition at line 922 of file elf32-vax.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
         /* We must always create the plt entry if it was referenced
            by a PLTxxO relocation.  In this case we already recorded
            it as a dynamic symbol.  */
         && h->dynindx == -1)
       {
         /* This case can occur if we saw a PLTxx reloc in an input
            file, but the symbol was never referred to by a dynamic
            object.  In such a case, we don't actually need to build
            a procedure linkage table, and we can just do a PCxx
            reloc instead.  */
         BFD_ASSERT (h->needs_plt);
         h->plt.offset = (bfd_vma) -1;
         return TRUE;
       }

      /* GC may have rendered this entry unused.  */
      if (h->plt.refcount <= 0)
       {
         h->needs_plt = 0;
         h->plt.offset = (bfd_vma) -1;
         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 += PLT_ENTRY_SIZE;
       }

      /* If this symbol is not defined in a regular file, and we are
        not generating a shared library, then set the symbol to this
        location in the .plt.  This is required to make function
        pointers compare as equal between the normal executable and
        the shared library.  */
      if (!info->shared
         && !h->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 += PLT_ENTRY_SIZE;

      /* We also need to make an entry in the .got.plt section, which
        will be placed in the .got section by the linker script.  */

      s = bfd_get_section_by_name (dynobj, ".got.plt");
      BFD_ASSERT (s != NULL);
      s->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;
    }

  /* Reinitialize the plt offset now that it is not used as a reference
     count any more.  */
  h->plt.offset = (bfd_vma) -1;

  /* If this is a weak symbol, and there is a real definition, the
     processor independent code will have arranged for us to see the
     real definition first, and we can just use the same value.  */
  if (h->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 (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_VAX_COPY reloc to tell the dynamic linker to
     copy the initial value out of the dynamic object and into the
     runtime process image.  We need to remember the offset into the
     .rela.bss section we are going to use.  */
  if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
    {
      asection *srel;

      srel = bfd_get_section_by_name (dynobj, ".rela.bss");
      BFD_ASSERT (srel != NULL);
      srel->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:

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

Definition at line 557 of file elf32-vax.c.

{
  bfd *dynobj;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  const Elf_Internal_Rela *rel;
  const Elf_Internal_Rela *rel_end;
  asection *sgot;
  asection *srelgot;
  asection *sreloc;

  if (info->relocatable)
    return TRUE;

  dynobj = elf_hash_table (info)->dynobj;
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (abfd);

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

  rel_end = relocs + sec->reloc_count;
  for (rel = relocs; rel < rel_end; rel++)
    {
      unsigned long r_symndx;
      struct elf_link_hash_entry *h;

      r_symndx = ELF32_R_SYM (rel->r_info);

      if (r_symndx < symtab_hdr->sh_info)
       h = NULL;
      else
       {
         h = sym_hashes[r_symndx - symtab_hdr->sh_info];
         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;
       }

      switch (ELF32_R_TYPE (rel->r_info))
       {
       case R_VAX_GOT32:
         if (h != NULL
             && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
           break;

         /* This symbol requires a global offset table entry.  */

         if (dynobj == NULL)
           {
             /* Create the .got section.  */
             elf_hash_table (info)->dynobj = dynobj = abfd;
             if (!_bfd_elf_create_got_section (dynobj, info))
              return FALSE;
           }

         if (sgot == NULL)
           {
             sgot = bfd_get_section_by_name (dynobj, ".got");
             BFD_ASSERT (sgot != NULL);
           }

         if (srelgot == NULL
             && (h != NULL || info->shared))
           {
             srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
             if (srelgot == NULL)
              {
                srelgot = bfd_make_section_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)
           {
             struct elf_vax_link_hash_entry *eh;

             eh = (struct elf_vax_link_hash_entry *) h;
             if (h->got.refcount == -1)
              {
                h->got.refcount = 1;
                eh->got_addend = rel->r_addend;
              }
             else
              {
                h->got.refcount++;
                if (eh->got_addend != (bfd_vma) rel->r_addend)
                  (*_bfd_error_handler)
                    (_("%s: warning: GOT addend of %ld to `%s' does not match previous GOT addend of %ld"),
                           bfd_get_filename (abfd), rel->r_addend,
                           h->root.root.string,
                           eh->got_addend);

              }
           }
         break;

       case R_VAX_PLT32:
         /* This symbol requires a procedure linkage table entry.  We
            actually build the entry in adjust_dynamic_symbol,
             because this might be a case of linking PIC code which is
             never referenced by a dynamic object, in which case we
             don't need to generate a procedure linkage table entry
             after all.  */

         /* If this is a local symbol, we resolve it directly without
            creating a procedure linkage table entry.  */
         if (h == NULL)
           continue;

         h->needs_plt = 1;
         if (h->plt.refcount == -1)
           h->plt.refcount = 1;
         else
           h->plt.refcount++;
         break;

       case R_VAX_PC8:
       case R_VAX_PC16:
       case R_VAX_PC32:
         /* If we are creating a shared library and this is not a local
            symbol, we need to copy the reloc into the shared library.
            However when linking with -Bsymbolic and this is a global
            symbol which is defined in an object we are including in the
            link (i.e., DEF_REGULAR is set), then we can resolve the
            reloc directly.  At this point we have not seen all the input
            files, so it is possible that DEF_REGULAR is not set now but
            will be set later (it is never cleared).  We account for that
            possibility below by storing information in the
            pcrel_relocs_copied field of the hash table entry.  */
         if (!(info->shared
              && (sec->flags & SEC_ALLOC) != 0
              && h != NULL
              && (!info->symbolic
                  || !h->def_regular)))
           {
             if (h != NULL)
              {
                /* Make sure a plt entry is created for this symbol if
                   it turns out to be a function defined by a dynamic
                   object.  */
                if (h->plt.refcount == -1)
                  h->plt.refcount = 1;
                else
                  h->plt.refcount++;
              }
             break;
           }
         /* Fall through.  */
       case R_VAX_8:
       case R_VAX_16:
       case R_VAX_32:
         if (h != NULL)
           {
             /* Make sure a plt entry is created for this symbol if it
               turns out to be a function defined by a dynamic object.  */
             if (h->plt.refcount == -1)
              h->plt.refcount = 1;
             else
              h->plt.refcount++;
           }

         /* If we are creating a shared library, we need to copy the
            reloc into the shared library.  */
         if (info->shared
             && (sec->flags & SEC_ALLOC) != 0)
           {
             /* When creating a shared object, we must copy these
               reloc types into the output file.  We create a reloc
               section in dynobj and make room for this reloc.  */
             if (sreloc == NULL)
              {
                const char *name;

                name = (bfd_elf_string_from_elf_section
                       (abfd,
                        elf_elfheader (abfd)->e_shstrndx,
                        elf_section_data (sec)->rel_hdr.sh_name));
                if (name == NULL)
                  return FALSE;

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

             sreloc->size += sizeof (Elf32_External_Rela);

             /* If we are linking with -Bsymbolic, we count the number of
               PC relative relocations we have entered for this symbol,
               so that we can discard them again if the symbol is later
               defined by a regular object.  Note that this function is
               only called if we are using a vaxelf linker hash table,
               which means that h is really a pointer to an
               elf_vax_link_hash_entry.  */
             if ((ELF32_R_TYPE (rel->r_info) == R_VAX_PC8
                 || ELF32_R_TYPE (rel->r_info) == R_VAX_PC16
                 || ELF32_R_TYPE (rel->r_info) == R_VAX_PC32)
                && info->symbolic)
              {
                struct elf_vax_link_hash_entry *eh;
                struct elf_vax_pcrel_relocs_copied *p;

                eh = (struct elf_vax_link_hash_entry *) h;

                for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
                  if (p->section == sreloc)
                    break;

                if (p == NULL)
                  {
                    p = ((struct elf_vax_pcrel_relocs_copied *)
                        bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
                    if (p == NULL)
                     return FALSE;
                    p->next = eh->pcrel_relocs_copied;
                    eh->pcrel_relocs_copied = p;
                    p->section = sreloc;
                    p->count = 0;
                  }

                ++p->count;
              }
           }

         break;

         /* This relocation describes the C++ object vtable hierarchy.
            Reconstruct it for later use during GC.  */
       case R_VAX_GNU_VTINHERIT:
         if (!bfd_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_VAX_GNU_VTENTRY:
         if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
           return FALSE;
         break;

       default:
         break;
       }
    }

  return TRUE;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static bfd_boolean elf_vax_discard_copies ( struct elf_vax_link_hash_entry h,
PTR ignore  ATTRIBUTE_UNUSED 
) [static]

Definition at line 1301 of file elf32-vax.c.

{
  struct elf_vax_pcrel_relocs_copied *s;

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

  /* We only discard relocs for symbols defined in a regular object.  */
  if (!h->root.def_regular)
    return TRUE;

  for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
    s->section->size -= s->count * sizeof (Elf32_External_Rela);

  return TRUE;
}
static bfd_boolean elf_vax_finish_dynamic_sections ( bfd output_bfd,
struct bfd_link_info info 
) [static]

Definition at line 1979 of file elf32-vax.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, *dynconend;

      splt = bfd_get_section_by_name (dynobj, ".plt");
      BFD_ASSERT (splt != NULL && sdyn != NULL);

      dyncon = (Elf32_External_Dyn *) sdyn->contents;
      dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->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:
             /* The procedure linkage table relocs (DT_JMPREL) should
               not be included in the overall relocs (DT_RELA).
               Therefore, we override the DT_RELASZ entry here to
               make it not include the JMPREL relocs.  Since the
               linker script arranges for .rela.plt to follow all
               other relocation sections, we don't have to worry
               about changing the DT_RELA entry.  */
             s = bfd_get_section_by_name (output_bfd, ".rela.plt");
             if (s != NULL)
              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.  */
      if (splt->size > 0)
       {
         memcpy (splt->contents, elf_vax_plt0_entry, PLT_ENTRY_SIZE);
         bfd_put_32 (output_bfd,
                        (sgot->output_section->vma
                         + sgot->output_offset + 4
                         - (splt->output_section->vma + 6)),
                        splt->contents + 2);
         bfd_put_32 (output_bfd,
                        (sgot->output_section->vma
                         + sgot->output_offset + 8
                         - (splt->output_section->vma + 12)),
                        splt->contents + 8);
          elf_section_data (splt->output_section)->this_hdr.sh_entsize
           = PLT_ENTRY_SIZE;
       }
    }

  /* Fill in the first three entries in the global offset table.  */
  if (sgot->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;
}

Here is the call graph for this function:

static bfd_boolean elf_vax_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 1826 of file elf32-vax.c.

{
  bfd *dynobj;

  dynobj = elf_hash_table (info)->dynobj;

  if (h->plt.offset != (bfd_vma) -1)
    {
      asection *splt;
      asection *sgot;
      asection *srela;
      bfd_vma plt_index;
      bfd_vma got_offset;
      bfd_vma addend;
      Elf_Internal_Rela rela;
      bfd_byte *loc;

      /* This symbol has an entry in the procedure linkage table.  Set
        it up.  */
      BFD_ASSERT (h->dynindx != -1);

      splt = bfd_get_section_by_name (dynobj, ".plt");
      sgot = bfd_get_section_by_name (dynobj, ".got.plt");
      srela = bfd_get_section_by_name (dynobj, ".rela.plt");
      BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);

      addend = 2 * (h->plt.offset & 1);
      h->plt.offset &= ~1;

      /* Get the index in the procedure linkage table which
        corresponds to this symbol.  This is the index of this symbol
        in all the symbols for which we are making plt entries.  The
        first entry in the procedure linkage table is reserved.  */
      plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;

      /* Get the offset into the .got table of the entry that
        corresponds to this function.  Each .got entry is 4 bytes.
        The first two are reserved.  */
      got_offset = (plt_index + 3) * 4;

      /* Fill in the entry in the procedure linkage table.  */
      memcpy (splt->contents + h->plt.offset, elf_vax_plt_entry,
                 PLT_ENTRY_SIZE);

      /* The offset is relative to the first extension word.  */
      bfd_put_32 (output_bfd,
                -(h->plt.offset + 8),
                splt->contents + h->plt.offset + 4);

      bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
                splt->contents + h->plt.offset + 8);

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

      /* Fill in the entry in the .rela.plt section.  */
      rela.r_offset = (sgot->output_section->vma
                     + sgot->output_offset
                     + got_offset);
      rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_JMP_SLOT);
      rela.r_addend = addend;
      loc = srela->contents + plt_index * sizeof (Elf32_External_Rela);
      bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);

      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 *srela;
      Elf_Internal_Rela rela;
      bfd_byte *loc;

      /* This symbol has an entry in the global offset table.  Set it
        up.  */
      sgot = bfd_get_section_by_name (dynobj, ".got");
      srela = bfd_get_section_by_name (dynobj, ".rela.got");
      BFD_ASSERT (sgot != NULL && srela != NULL);

      rela.r_offset = (sgot->output_section->vma
                     + sgot->output_offset
                     + (h->got.offset &~ 1));

      /* If the symbol was forced to be local because of a version file
        locally we just want to emit a RELATIVE reloc.  The entry in
        the global offset table will already have been initialized in
        the relocate_section function.  */
      if (info->shared
         && h->dynindx == -1
         && h->def_regular)
       {
         rela.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE);
       }
      else
       {
         rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_GLOB_DAT);
       }
      rela.r_addend = bfd_get_signed_32 (output_bfd,
                                    (sgot->contents
                                     + (h->got.offset & ~1)));

      loc = srela->contents;
      loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
      bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
    }

  if (h->needs_copy)
    {
      asection *s;
      Elf_Internal_Rela rela;
      bfd_byte *loc;

      /* This symbol needs a copy reloc.  Set it up.  */
      BFD_ASSERT (h->dynindx != -1
                && (h->root.type == bfd_link_hash_defined
                    || h->root.type == bfd_link_hash_defweak));

      s = bfd_get_section_by_name (h->root.u.def.section->owner,
                               ".rela.bss");
      BFD_ASSERT (s != NULL);

      rela.r_offset = (h->root.u.def.value
                     + h->root.u.def.section->output_section->vma
                     + h->root.u.def.section->output_offset);
      rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_COPY);
      rela.r_addend = 0;
      loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
      bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
    }

  /* 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;
}

Here is the call graph for this function:

static asection* elf_vax_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 839 of file elf32-vax.c.

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

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

Here is the call graph for this function:

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

Definition at line 859 of file elf32-vax.c.

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

  dynobj = elf_hash_table (info)->dynobj;
  if (dynobj == NULL)
    return TRUE;

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

  relend = relocs + sec->reloc_count;
  for (rel = relocs; rel < relend; rel++)
    {
      unsigned long r_symndx;
      struct elf_link_hash_entry *h = NULL;

      r_symndx = ELF32_R_SYM (rel->r_info);
      if (r_symndx >= symtab_hdr->sh_info)
       {
         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;
       }

      switch (ELF32_R_TYPE (rel->r_info))
       {
       case R_VAX_GOT32:
         if (h != NULL && h->got.refcount > 0)
           --h->got.refcount;
         break;

       case R_VAX_PLT32:
       case R_VAX_PC8:
       case R_VAX_PC16:
       case R_VAX_PC32:
       case R_VAX_8:
       case R_VAX_16:
       case R_VAX_32:
         if (h != NULL && h->plt.refcount > 0)
           --h->plt.refcount;
         break;

       default:
         break;
       }
    }

  return TRUE;
}

Definition at line 1327 of file elf32-vax.c.

{
  struct bfd_link_info *info = (struct bfd_link_info *) infoptr;
  bfd *dynobj;
  asection *sgot;
  asection *srelgot;

  /* We don't care about non-GOT (and non-PLT) entries.  */
  if (h->got.refcount <= 0 && h->plt.refcount <= 0)
    return TRUE;

  dynobj = elf_hash_table (info)->dynobj;
  if (dynobj == NULL)
    return TRUE;

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

  if (!elf_hash_table (info)->dynamic_sections_created
      || (info->shared && info->symbolic))
    {
      h->got.refcount = 0;
      h->got.offset = (bfd_vma) -1;
      h->plt.refcount = 0;
      h->plt.offset = (bfd_vma) -1;
    }
  else if (h->got.refcount > 0)
    {
      /* 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;
       }

      /* Allocate space in the .got and .rela.got sections.  */
      sgot->size += 4;
      srelgot->size += sizeof (Elf32_External_Rela);
    }

  return TRUE;
}

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 439 of file elf32-vax.c.

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

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

  /* Call the allocation method of the superclass.  */
  ret = ((struct elf_vax_link_hash_entry *)
        _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
                                 table, string));
  if (ret != NULL)
    {
      ret->pcrel_relocs_copied = NULL;
    }

  return (struct bfd_hash_entry *) ret;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static struct bfd_link_hash_table * elf_vax_link_hash_table_create ( bfd abfd) [static, read]

Definition at line 470 of file elf32-vax.c.

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

  ret = bfd_malloc (amt);
  if (ret == NULL)
    return NULL;

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

  return &ret->root.root;
}

Here is the call graph for this function:

static bfd_boolean elf_vax_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 1373 of file elf32-vax.c.

{
  bfd *dynobj;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  bfd_vma *local_got_offsets;
  bfd_vma plt_index;
  bfd_vma got_offset;
  asection *sgot;
  asection *splt;
  asection *sgotplt;
  asection *sreloc;
  Elf_Internal_Rela *rel;
  Elf_Internal_Rela *relend;

  dynobj = elf_hash_table (info)->dynobj;
  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (input_bfd);
  local_got_offsets = elf_local_got_offsets (input_bfd);

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

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

      r_type = ELF32_R_TYPE (rel->r_info);
      if (r_type < 0 || r_type >= (int) R_VAX_max)
       {
         bfd_set_error (bfd_error_bad_value);
         return FALSE;
       }
      howto = howto_table + r_type;

      r_symndx = ELF32_R_SYM (rel->r_info);
      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;

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

         if ((h->root.type == bfd_link_hash_defined
             || h->root.type == bfd_link_hash_defweak)
             && ((r_type == R_VAX_PLT32
                 && h->plt.offset != (bfd_vma) -1
                 && elf_hash_table (info)->dynamic_sections_created)
                || (r_type == R_VAX_GOT32
                    && strcmp (h->root.root.string,
                             "_GLOBAL_OFFSET_TABLE_") != 0
                    && elf_hash_table (info)->dynamic_sections_created
                    && (! info->shared
                       || (! info->symbolic && h->dynindx != -1)
                       || !h->def_regular))
                || (info->shared
                    && ((! info->symbolic && h->dynindx != -1)
                       || !h->def_regular)
                    && ((input_section->flags & SEC_ALLOC) != 0
                       /* DWARF will emit R_VAX_32 relocations in its
                          sections against symbols defined externally
                          in shared libraries.  We can't do anything
                          with them here.  */

                       || ((input_section->flags & SEC_DEBUGGING) != 0
                           && h->def_dynamic))
                    && (r_type == R_VAX_8
                       || r_type == R_VAX_16
                       || r_type == R_VAX_32
                       || r_type == R_VAX_PC8
                       || r_type == R_VAX_PC16
                       || r_type == R_VAX_PC32))))
           /* In these cases, we don't need the relocation
              value.  We check specially because in some
              obscure cases sec->output_section will be NULL.  */
           relocation = 0;
       }

      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;

      switch (r_type)
       {
       case R_VAX_GOT32:
         /* Relocation is to the address of the entry for this symbol
            in the global offset table.  */
         if (h == NULL || h->got.offset == (bfd_vma) -1)
           break;

         /* Relocation is the offset of the entry for this symbol in
            the global offset table.  */

         {
           bfd_vma off;

           if (sgot == NULL)
             {
              sgot = bfd_get_section_by_name (dynobj, ".got");
              BFD_ASSERT (sgot != NULL);
             }

           BFD_ASSERT (h != NULL);
           off = h->got.offset;
           BFD_ASSERT (off != (bfd_vma) -1);
           BFD_ASSERT (off < sgot->size);

           if (info->shared
              && h->dynindx == -1
              && h->def_regular)
             {
              /* The symbol was forced to be local
                 because of a version file..  We must initialize
                 this entry in the global offset table.  Since
                 the offset must always be a multiple of 4, we
                 use the least significant bit to record whether
                 we have initialized it already.

                 When doing a dynamic link, we create a .rela.got
                 relocation entry to initialize the value.  This
                 is done in the finish_dynamic_symbol routine.  */
              if ((off & 1) != 0)
                off &= ~1;
              else
                {
                  bfd_put_32 (output_bfd, relocation + rel->r_addend,
                            sgot->contents + off);
                  h->got.offset |= 1;
                }
             } else {
              bfd_put_32 (output_bfd, rel->r_addend, sgot->contents + off);
             }

           relocation = sgot->output_offset + off;
           /* The GOT relocation uses the addend.  */
           rel->r_addend = 0;

           /* Change the reference to be indirect.  */
           contents[rel->r_offset - 1] |= 0x10;
           relocation += sgot->output_section->vma;
         }
         break;

       case R_VAX_PLT32:
         /* Relocation is to the entry for this symbol in the
            procedure linkage table.  */

         /* Resolve a PLTxx reloc against a local symbol directly,
            without using the procedure linkage table.  */
         if (h == NULL)
           break;

         if (h->plt.offset == (bfd_vma) -1
             || !elf_hash_table (info)->dynamic_sections_created)
           {
             /* We didn't make a PLT entry for this symbol.  This
               happens when statically linking PIC code, or when
               using -Bsymbolic.  */
             break;
           }

         if (splt == NULL)
           {
             splt = bfd_get_section_by_name (dynobj, ".plt");
             BFD_ASSERT (splt != NULL);
           }

         if (sgotplt == NULL)
           {
             sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
             BFD_ASSERT (splt != NULL);
           }

         plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;

         /* Get the offset into the .got table of the entry that
            corresponds to this function.  Each .got entry is 4 bytes.
            The first two are reserved.  */
         got_offset = (plt_index + 3) * 4;

         /* We want the relocate to point into the .got.plt instead
            of the plt itself.  */
         relocation = (sgotplt->output_section->vma
                     + sgotplt->output_offset
                     + got_offset);
         contents[rel->r_offset-1] |= 0x10; /* make indirect */
         if (rel->r_addend == 2)
           {
             h->plt.offset |= 1;
           }
         else if (rel->r_addend != 0)
           (*_bfd_error_handler)
             (_("%s: warning: PLT addend of %d to `%s' from %s section ignored"),
                    bfd_get_filename (input_bfd), rel->r_addend,
                    h->root.root.string,
                    bfd_get_section_name (input_bfd, input_section));
         rel->r_addend = 0;

         break;

       case R_VAX_PC8:
       case R_VAX_PC16:
       case R_VAX_PC32:
         if (h == NULL)
           break;
         /* Fall through.  */
       case R_VAX_8:
       case R_VAX_16:
       case R_VAX_32:
         if (info->shared
             && r_symndx != 0
             && (input_section->flags & SEC_ALLOC) != 0
             && ((r_type != R_VAX_PC8
                 && r_type != R_VAX_PC16
                 && r_type != R_VAX_PC32)
                || (!info->symbolic
                    || !h->def_regular)))
           {
             Elf_Internal_Rela outrel;
             bfd_byte *loc;
             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;
             relocate = FALSE;

             outrel.r_offset =
              _bfd_elf_section_offset (output_bfd, info, input_section,
                                    rel->r_offset);
             if (outrel.r_offset == (bfd_vma) -1)
              skip = TRUE;
             if (outrel.r_offset == (bfd_vma) -2)
              skip = TRUE, relocate = TRUE;
             outrel.r_offset += (input_section->output_section->vma
                              + input_section->output_offset);

             if (skip)
                memset (&outrel, 0, sizeof outrel);
             /* h->dynindx may be -1 if the symbol was marked to
                 become local.  */
             else if (h != NULL
                     && ((! info->symbolic && h->dynindx != -1)
                        || !h->def_regular))
              {
                BFD_ASSERT (h->dynindx != -1);
                outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
                outrel.r_addend = relocation + rel->r_addend;
              }
             else
              {
                if (r_type == R_VAX_32)
                  {
                    relocate = TRUE;
                    outrel.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE);
                    BFD_ASSERT (bfd_get_signed_32 (input_bfd,
                                               &contents[rel->r_offset]) == 0);
                    outrel.r_addend = relocation + rel->r_addend;
                  }
                else
                  {
                    long indx;

                    if (bfd_is_abs_section (sec))
                     indx = 0;
                    else if (sec == NULL || sec->owner == NULL)
                     {
                       bfd_set_error (bfd_error_bad_value);
                       return FALSE;
                     }
                    else
                     {
                       asection *osec;

                       /* We are turning this relocation into one
                          against a section symbol.  It would be
                          proper to subtract the symbol's value,
                          osec->vma, from the emitted reloc addend,
                          but ld.so expects buggy relocs.  */
                       osec = sec->output_section;
                       indx = elf_section_data (osec)->dynindx;
                       if (indx == 0)
                         {
                           struct elf_link_hash_table *htab;
                           htab = elf_hash_table (info);
                           osec = htab->text_index_section;
                           indx = elf_section_data (osec)->dynindx;
                         }
                       BFD_ASSERT (indx != 0);
                     }

                    outrel.r_info = ELF32_R_INFO (indx, r_type);
                    outrel.r_addend = relocation + rel->r_addend;
                  }
              }

             if (!strcmp (bfd_get_section_name (input_bfd, input_section),
                        ".text") != 0 ||
                (info->shared
                 && ELF32_R_TYPE(outrel.r_info) != R_VAX_32
                 && ELF32_R_TYPE(outrel.r_info) != R_VAX_RELATIVE
                 && ELF32_R_TYPE(outrel.r_info) != R_VAX_COPY
                 && ELF32_R_TYPE(outrel.r_info) != R_VAX_JMP_SLOT
                 && ELF32_R_TYPE(outrel.r_info) != R_VAX_GLOB_DAT))
              {
                if (h != NULL)
                  (*_bfd_error_handler)
                    (_("%s: warning: %s relocation against symbol `%s' from %s section"),
                    bfd_get_filename (input_bfd), howto->name,
                    h->root.root.string,
                    bfd_get_section_name (input_bfd, input_section));
                else
                  (*_bfd_error_handler)
                    (_("%s: warning: %s relocation to 0x%x from %s section"),
                    bfd_get_filename (input_bfd), howto->name,
                    outrel.r_addend,
                    bfd_get_section_name (input_bfd, input_section));
              }
             loc = sreloc->contents;
             loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
             bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);

             /* This reloc will be computed at runtime, so there's no
                 need to do anything now, except for R_VAX_32
                 relocations that have been turned into
                 R_VAX_RELATIVE.  */
             if (!relocate)
              continue;
           }

         break;

       case R_VAX_GNU_VTINHERIT:
       case R_VAX_GNU_VTENTRY:
         /* These are no-ops in the end.  */
         continue;

       default:
         break;
       }

      /* VAX PCREL relocations are from the end of relocation, not the start.
         So subtract the difference from the relocation amount since we can't
         add it to the offset.  */
      if (howto->pc_relative && howto->pcrel_offset)
       relocation -= bfd_get_reloc_size(howto);

      r = _bfd_final_link_relocate (howto, input_bfd, input_section,
                                contents, rel->r_offset,
                                relocation, rel->r_addend);

      if (r != bfd_reloc_ok)
       {
         switch (r)
           {
           default:
           case bfd_reloc_outofrange:
             abort ();
           case bfd_reloc_overflow:
             {
              const char *name;

              if (h != NULL)
                name = NULL;
              else
                {
                  name = bfd_elf_string_from_elf_section (input_bfd,
                                                     symtab_hdr->sh_link,
                                                     sym->st_name);
                  if (name == NULL)
                    return FALSE;
                  if (*name == '\0')
                    name = bfd_section_name (input_bfd, sec);
                }
              if (!(info->callbacks->reloc_overflow
                    (info, (h ? &h->root : NULL), name, howto->name,
                     (bfd_vma) 0, input_bfd, input_section,
                     rel->r_offset)))
                return FALSE;
             }
             break;
           }
       }
    }

  return TRUE;
}

Here is the call graph for this function:

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

Definition at line 1109 of file elf32-vax.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 and .got sections.
        However, if we are not creating the dynamic sections, we will
        not actually use these entries.  Reset the size of .rela.got
        and .got, which will cause it to get stripped from the output
        file below.  */
      s = bfd_get_section_by_name (dynobj, ".rela.got");
      if (s != NULL)
       s->size = 0;
      s = bfd_get_section_by_name (dynobj, ".got.plt");
      if (s != NULL)
       s->size = 0;
      s = bfd_get_section_by_name (dynobj, ".got");
      if (s != NULL)
       s->size = 0;
    }

  /* If this is a -Bsymbolic shared link, then we need to discard all PC
     relative relocs against symbols defined in a regular object.  We
     allocated space for them in the check_relocs routine, but we will not
     fill them in in the relocate_section routine.  */
  if (info->shared && info->symbolic)
    elf_vax_link_hash_traverse (elf_vax_hash_table (info),
                            elf_vax_discard_copies,
                            NULL);

  /* If this is a -Bsymbolic shared link or a static link, we need to
     discard all the got entries we've recorded.  Otherwise, we need to
     instantiate (allocate space for them).  */
  elf_link_hash_traverse (elf_hash_table (info),
                       elf_vax_instantiate_got_entries,
                       (PTR) info);

  /* 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.  .rela.plt is actually associated with
                   .got.plt, which is never readonly.  */
                outname = bfd_get_section_name (output_bfd,
                                            s->output_section);
                target = bfd_get_section_by_name (output_bfd, outname + 5);
                if (target != NULL
                    && (target->flags & SEC_READONLY) != 0
                    && (target->flags & SEC_ALLOC) != 0)
                  reltext = TRUE;
              }

             /* We use the reloc_count field as a counter if we need
               to copy relocs into the output file.  */
             s->reloc_count = 0;
           }
       }
      else if (! 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.  */
      s->contents = (bfd_byte *) bfd_alloc (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 elf_vax_finish_dynamic_sections, but we
        must add the entries now so that we get the correct size for
        the .dynamic section.  The DT_DEBUG entry is filled in by the
        dynamic linker and used by the debugger.  */
#define add_dynamic_entry(TAG, VAL) \
  _bfd_elf_add_dynamic_entry (info, TAG, VAL)

      if (!info->shared)
       {
         if (!add_dynamic_entry (DT_DEBUG, 0))
           return FALSE;
       }

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

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

      if (reltext || (info->flags & DF_TEXTREL) != 0)
       {
         if (!add_dynamic_entry (DT_TEXTREL, 0))
           return FALSE;
       }
    }
#undef add_dynamic_entry

  return TRUE;
}

Here is the call graph for this function:

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

Definition at line 326 of file elf32-vax.c.

{
  unsigned int i;

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

  return NULL;
}

Here is the call graph for this function:

static reloc_howto_type* reloc_type_lookup ( bfd ,
bfd_reloc_code_real_type   
) [static]
static reloc_howto_type* reloc_type_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type  code 
) [static]

Definition at line 314 of file elf32-vax.c.

{
  unsigned int i;
  for (i = 0; i < sizeof (reloc_map) / sizeof (reloc_map[0]); i++)
    {
      if (reloc_map[i].bfd_val == code)
       return &howto_table[reloc_map[i].elf_val];
    }
  return 0;
}
static void rtype_to_howto ( bfd ,
arelent ,
Elf_Internal_Rela  
) [static]
static void rtype_to_howto ( bfd *abfd  ATTRIBUTE_UNUSED,
arelent cache_ptr,
Elf_Internal_Rela dst 
) [static]

Definition at line 281 of file elf32-vax.c.

{
  BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_VAX_max);
  cache_ptr->howto = &howto_table[ELF32_R_TYPE(dst->r_info)];
}

Variable Documentation

Initial value:
{
  0xdd, 0xef,        
  0, 0, 0, 0,        
  0x17, 0xff,        
  0, 0, 0, 0,        
}

Definition at line 358 of file elf32-vax.c.

Initial value:
{
  0x40, 0x00,        
  0x16,       0xef,         
  0, 0, 0, 0,        
  0, 0, 0, 0,        
}

Definition at line 368 of file elf32-vax.c.

reloc_howto_type howto_table[] [static]

Definition at line 54 of file elf32-vax.c.

struct { ... } reloc_map[] [static]