Back to index

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

Go to the source code of this file.

Defines

#define MEPREL(type, size, bits, right, left, pcrel, overflow, mask)   {(unsigned)type, right, size, bits, pcrel, left, overflow, mep_reloc, #type, FALSE, 0, mask, 0 }
#define N   complain_overflow_dont
#define S   complain_overflow_signed
#define U   complain_overflow_unsigned
#define VALID_MEP_RELOC(N)
#define BFD_RELOC_MEP_NONE   BFD_RELOC_NONE
#define MAP(n)   case BFD_RELOC_MEP_n: type = R_MEP_n; break
#define ELF_ARCH   bfd_arch_mep
#define ELF_MACHINE_CODE   EM_CYGNUS_MEP
#define ELF_MAXPAGESIZE   0x1000
#define TARGET_BIG_SYM   bfd_elf32_mep_vec
#define TARGET_BIG_NAME   "elf32-mep"
#define TARGET_LITTLE_SYM   bfd_elf32_mep_little_vec
#define TARGET_LITTLE_NAME   "elf32-mep-little"
#define elf_info_to_howto_rel   NULL
#define elf_info_to_howto   mep_info_to_howto_rela
#define elf_backend_relocate_section   mep_elf_relocate_section
#define elf_backend_gc_mark_hook   mep_elf_gc_mark_hook
#define elf_backend_gc_sweep_hook   mep_elf_gc_sweep_hook
#define elf_backend_check_relocs   mep_elf_check_relocs
#define elf_backend_object_p   mep_elf_object_p
#define elf_backend_section_flags   mep_elf_section_flags
#define elf_backend_fake_sections   mep_elf_fake_sections
#define elf_backend_can_gc_sections   1
#define bfd_elf32_bfd_reloc_type_lookup   mep_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup   mep_reloc_name_lookup
#define bfd_elf32_bfd_set_private_flags   mep_elf_set_private_flags
#define bfd_elf32_bfd_copy_private_bfd_data   mep_elf_copy_private_bfd_data
#define bfd_elf32_bfd_merge_private_bfd_data   mep_elf_merge_private_bfd_data
#define bfd_elf32_bfd_print_private_bfd_data   mep_elf_print_private_bfd_data
#define USE_RELA

Functions

static bfd_reloc_status_type mep_reloc (bfd *, arelent *, struct bfd_symbol *, void *, asection *, bfd *, char **)
static bfd_reloc_status_type mep_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry ATTRIBUTE_UNUSED, struct bfd_symbol *symbol ATTRIBUTE_UNUSED, void *data ATTRIBUTE_UNUSED, asection *input_section ATTRIBUTE_UNUSED, bfd *output_bfd ATTRIBUTE_UNUSED, char **error_message ATTRIBUTE_UNUSED)
static reloc_howto_type * mep_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
static reloc_howto_type * mep_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
static bfd_vma mep_lookup_global (char *name, bfd_vma ofs, bfd_vma *cache, int *warn)
static bfd_vma mep_tpoff_base (bfd_vma ofs)
static bfd_vma mep_sdaoff_base (bfd_vma ofs)
static bfd_reloc_status_type mep_final_link_relocate (reloc_howto_type *howto, bfd *input_bfd, asection *input_section, bfd_byte *contents, Elf_Internal_Rela *rel, bfd_vma relocation)
static void mep_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, Elf_Internal_Rela *dst)
static bfd_boolean mep_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, const Elf_Internal_Rela *relocs)
static bfd_boolean mep_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, 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 mep_elf_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *info ATTRIBUTE_UNUSED, asection *sec ATTRIBUTE_UNUSED, const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
static asectionmep_elf_gc_mark_hook (asection *sec, struct bfd_link_info *info ATTRIBUTE_UNUSED, Elf_Internal_Rela *rel, struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)
static bfd_boolean mep_elf_set_private_flags (bfd *abfd, flagword flags)
static bfd_boolean mep_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
static bfd_boolean mep_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
static bfd_boolean mep_elf_print_private_bfd_data (bfd *abfd, void *ptr)
static int elf32_mep_machine (bfd *abfd)
static bfd_boolean mep_elf_object_p (bfd *abfd)
static bfd_boolean mep_elf_section_flags (flagword *flags, const Elf_Internal_Shdr *hdr)
static bfd_boolean mep_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr, asection *sec)

Variables

static reloc_howto_type mep_elf_howto_table []
static struct bfd_link_infomep_info
static int warn_tp = 0
static int warn_sda = 0
static const char * config_names []
static const char * core_names []

Define Documentation

Definition at line 948 of file elf32-mep.c.

Definition at line 949 of file elf32-mep.c.

Definition at line 950 of file elf32-mep.c.

Definition at line 946 of file elf32-mep.c.

Definition at line 945 of file elf32-mep.c.

Definition at line 947 of file elf32-mep.c.

Definition at line 94 of file elf32-mep.c.

#define ELF_ARCH   bfd_arch_mep

Definition at line 923 of file elf32-mep.c.

Definition at line 943 of file elf32-mep.c.

Definition at line 938 of file elf32-mep.c.

Definition at line 941 of file elf32-mep.c.

Definition at line 936 of file elf32-mep.c.

Definition at line 937 of file elf32-mep.c.

Definition at line 939 of file elf32-mep.c.

Definition at line 935 of file elf32-mep.c.

Definition at line 940 of file elf32-mep.c.

Definition at line 934 of file elf32-mep.c.

Definition at line 933 of file elf32-mep.c.

Definition at line 924 of file elf32-mep.c.

#define ELF_MAXPAGESIZE   0x1000

Definition at line 925 of file elf32-mep.c.

#define MAP (   n)    case BFD_RELOC_MEP_n: type = R_MEP_n; break

Definition at line 98 of file elf32-mep.c.

#define MEPREL (   type,
  size,
  bits,
  right,
  left,
  pcrel,
  overflow,
  mask 
)    {(unsigned)type, right, size, bits, pcrel, left, overflow, mep_reloc, #type, FALSE, 0, mask, 0 }

Definition at line 32 of file elf32-mep.c.

#define N   complain_overflow_dont

Definition at line 35 of file elf32-mep.c.

Definition at line 36 of file elf32-mep.c.

#define TARGET_BIG_NAME   "elf32-mep"

Definition at line 928 of file elf32-mep.c.

Definition at line 927 of file elf32-mep.c.

#define TARGET_LITTLE_NAME   "elf32-mep-little"

Definition at line 931 of file elf32-mep.c.

Definition at line 930 of file elf32-mep.c.

Definition at line 37 of file elf32-mep.c.

#define USE_RELA

Definition at line 953 of file elf32-mep.c.

#define VALID_MEP_RELOC (   N)
Value:
((N) >= 0 \
  && (N) < ARRAY_SIZE (mep_elf_howto_table)

Definition at line 72 of file elf32-mep.c.


Function Documentation

static int elf32_mep_machine ( bfd abfd) [static]

Definition at line 878 of file elf32-mep.c.

{
  switch (elf_elfheader (abfd)->e_flags & EF_MEP_CPU_MASK)
    {
    default: break;
    case EF_MEP_CPU_C2: return bfd_mach_mep;
    case EF_MEP_CPU_C3: return bfd_mach_mep;
    case EF_MEP_CPU_C4: return bfd_mach_mep;
    case EF_MEP_CPU_H1: return bfd_mach_mep_h1;
    }

  return bfd_mach_mep;
}

Here is the caller graph for this function:

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

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

{
  Elf_Internal_Shdr *           symtab_hdr;
  struct elf_link_hash_entry ** sym_hashes;
  struct elf_link_hash_entry ** sym_hashes_end;
  const Elf_Internal_Rela *     rel;
  const Elf_Internal_Rela *     rel_end;

  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;

  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];
    }
  return TRUE;
}
static bfd_boolean mep_elf_copy_private_bfd_data ( bfd ibfd,
bfd obfd 
) [static]

Definition at line 745 of file elf32-mep.c.

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

  elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
  elf_flags_init (obfd) = TRUE;
  return TRUE;
}
static bfd_boolean mep_elf_fake_sections ( bfd *abfd  ATTRIBUTE_UNUSED,
Elf_Internal_Shdr hdr,
asection sec 
) [static]

Definition at line 913 of file elf32-mep.c.

{
  if (sec->flags & SEC_MEP_VLIW)
    hdr->sh_flags |= SHF_MEP_VLIW;
  return TRUE;
}
static asection* mep_elf_gc_mark_hook ( asection sec,
struct bfd_link_info *info  ATTRIBUTE_UNUSED,
Elf_Internal_Rela rel,
struct elf_link_hash_entry h,
Elf_Internal_Sym *  sym 
) [static]

Definition at line 695 of file elf32-mep.c.

{
  if (h != NULL)
    {
      switch (ELF32_R_TYPE (rel->r_info))
       {
       default:
         switch (h->root.type)
           {
           case bfd_link_hash_defined:
           case bfd_link_hash_defweak:
             return h->root.u.def.section;

           case bfd_link_hash_common:
             return h->root.u.c.p->section;

           default:
             break;
           }
       }
    }
  else
    {
      if (!(elf_bad_symtab (sec->owner)
           && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
         && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
              && sym->st_shndx != SHN_COMMON))
       return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
    }

  return NULL;
}

Here is the call graph for this function:

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

Definition at line 682 of file elf32-mep.c.

{
  return TRUE;
}
static bfd_boolean mep_elf_merge_private_bfd_data ( bfd ibfd,
bfd obfd 
) [static]

Definition at line 760 of file elf32-mep.c.

{
  static bfd *last_ibfd = 0;
  flagword old_flags, new_flags;
  flagword old_partial, new_partial;

  /* Check if we have the same endianess.  */
  if (_bfd_generic_verify_endian_match (ibfd, obfd) == FALSE)
    return FALSE;

  new_flags = elf_elfheader (ibfd)->e_flags;
  old_flags = elf_elfheader (obfd)->e_flags;

#ifdef DEBUG
  _bfd_error_handler ("%B: old_flags = 0x%.8lx, new_flags = 0x%.8lx, init = %s",
                    ibfd, old_flags, new_flags, elf_flags_init (obfd) ? "yes" : "no");
#endif

    /* First call, no flags set.  */
    if (!elf_flags_init (obfd))
    {
      elf_flags_init (obfd) = TRUE;
      old_flags = new_flags;
    }
  else if ((new_flags | old_flags) & EF_MEP_LIBRARY)
    {
      /* Non-library flags trump library flags.  The choice doesn't really
        matter if both OLD_FLAGS and NEW_FLAGS have EF_MEP_LIBRARY set.  */
      if (old_flags & EF_MEP_LIBRARY)
       old_flags = new_flags;
    }
  else
    {
      /* Make sure they're for the same mach.  Allow upgrade from the "mep"
        mach.  */
      new_partial = (new_flags & EF_MEP_CPU_MASK);
      old_partial = (old_flags & EF_MEP_CPU_MASK);
      if (new_partial == old_partial)
       ;
      else if (new_partial == EF_MEP_CPU_MEP)
       ;
      else if (old_partial == EF_MEP_CPU_MEP)
       old_flags = (old_flags & ~EF_MEP_CPU_MASK) | new_partial;
      else
       {
         _bfd_error_handler (_("%B and %B are for different cores"), last_ibfd, ibfd);
         bfd_set_error (bfd_error_invalid_target);
         return FALSE;
       }

      /* Make sure they're for the same me_module.  Allow basic config to
        mix with any other.  */
      new_partial = (new_flags & EF_MEP_INDEX_MASK);
      old_partial = (old_flags & EF_MEP_INDEX_MASK);
      if (new_partial == old_partial)
       ;
      else if (new_partial == 0)
       ;
      else if (old_partial == 0)
       old_flags = (old_flags & ~EF_MEP_INDEX_MASK) | new_partial;
      else
       {
         _bfd_error_handler (_("%B and %B are for different configurations"), last_ibfd, ibfd);
         bfd_set_error (bfd_error_invalid_target);
         return FALSE;
       }
    }

  elf_elfheader (obfd)->e_flags = old_flags;
  last_ibfd = ibfd;
  return TRUE;
}

Here is the call graph for this function:

static bfd_boolean mep_elf_object_p ( bfd abfd) [static]

Definition at line 893 of file elf32-mep.c.

{
  /* Irix 5 and 6 is broken.  Object file symbol tables are not always
     sorted correctly such that local symbols preceed global symbols,
     and the sh_info field in the symbol table is not always right.  */
  /* This is needed for the RELC support code.  */
  elf_bad_symtab (abfd) = TRUE;
  bfd_default_set_arch_mach (abfd, bfd_arch_mep, elf32_mep_machine (abfd));
  return TRUE;
}

Here is the call graph for this function:

static bfd_boolean mep_elf_print_private_bfd_data ( bfd abfd,
void *  ptr 
) [static]

Definition at line 849 of file elf32-mep.c.

{
  FILE *   file = (FILE *) ptr;
  flagword flags, partial_flags;

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

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

  flags = elf_elfheader (abfd)->e_flags;
  fprintf (file, _("private flags = 0x%lx"), (long)flags);

  partial_flags = (flags & EF_MEP_CPU_MASK) >> 24;
  if (partial_flags < ARRAY_SIZE (core_names))
    fprintf (file, "  core: %s", core_names[(long)partial_flags]);

  partial_flags = flags & EF_MEP_INDEX_MASK;
  if (partial_flags < ARRAY_SIZE (config_names))
    fprintf (file, "  me_module: %s", config_names[(long)partial_flags]);

  fputc ('\n', file);

  return TRUE;
}

Here is the call graph for this function:

static bfd_boolean mep_elf_relocate_section ( bfd *output_bfd  ATTRIBUTE_UNUSED,
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 480 of file elf32-mep.c.

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

  symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (input_bfd);
  relend     = relocs + input_section->reloc_count;

  mep_info = info;

  for (rel = relocs; rel < relend; rel ++)
    {
      reloc_howto_type *           howto;
      unsigned long                r_symndx;
      Elf_Internal_Sym *           sym;
      asection *                   sec;
      struct elf_link_hash_entry * h;
      bfd_vma                      relocation;
      bfd_reloc_status_type        r;
      const char *                 name = NULL;
      int                          r_type;

      r_type = ELF32_R_TYPE (rel->r_info);

      r_symndx = ELF32_R_SYM (rel->r_info);

      /* Is this a complex relocation?  */
      if (!info->relocatable && ELF32_R_TYPE (rel->r_info) == R_RELC)
       {
         bfd_elf_perform_complex_relocation (output_bfd, info,
                                         input_bfd, input_section, contents,
                                         rel, local_syms, local_sections);
         continue;
       }

      howto  = mep_elf_howto_table + ELF32_R_TYPE (rel->r_info);
      h      = NULL;
      sym    = NULL;
      sec    = NULL;

      if (r_symndx < symtab_hdr->sh_info)
       {
         sym = local_syms + r_symndx;
         sec = local_sections [r_symndx];
         relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);

         name = bfd_elf_string_from_elf_section
           (input_bfd, symtab_hdr->sh_link, sym->st_name);
         name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
#if 0
         fprintf (stderr, "local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
                 sec->name, name, sym->st_name,
                 sec->output_section->vma, sec->output_offset,
                 sym->st_value, rel->r_addend);
#endif
       }
      else
       {
         relocation = 0;
         h = sym_hashes [r_symndx];

         while (h->root.type == bfd_link_hash_indirect
               || h->root.type == bfd_link_hash_warning)
           h = (struct elf_link_hash_entry *) h->root.u.i.link;

         name = h->root.root.string;

         if (h->root.type == bfd_link_hash_defined
             || h->root.type == bfd_link_hash_defweak)
           {
             sec = h->root.u.def.section;
             relocation = (h->root.u.def.value
                         + sec->output_section->vma
                         + sec->output_offset);
#if 0
             fprintf (stderr,
                     "defined: sec: %s, name: %s, value: %x + %x + %x gives: %x\n",
                     sec->name, name, h->root.u.def.value,
                     sec->output_section->vma, sec->output_offset, relocation);
#endif
           }
         else if (h->root.type == bfd_link_hash_undefweak)
           {
#if 0
             fprintf (stderr, "undefined: sec: %s, name: %s\n",
                     sec->name, name);
#endif
           }
         else if (!info->relocatable)
           {
             if (! ((*info->callbacks->undefined_symbol)
                   (info, h->root.root.string, input_bfd,
                    input_section, rel->r_offset,
                    (!info->shared && info->unresolved_syms_in_objects == RM_GENERATE_ERROR))))
              return FALSE;
#if 0
             fprintf (stderr, "unknown: name: %s\n", name);
#endif
           }
       }

      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)
       {
         /* This is a relocatable link.  We don't have to change
             anything, unless the reloc is against a section symbol,
             in which case we have to adjust according to where the
             section symbol winds up in the output section.  */
         if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
           rel->r_addend += sec->output_offset;
         continue;
       }

      switch (r_type)
       {
       default:
         r = mep_final_link_relocate (howto, input_bfd, input_section,
                                    contents, rel, relocation);
         break;
       }

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

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

           case bfd_reloc_undefined:
             r = info->callbacks->undefined_symbol
              (info, name, input_bfd, input_section, rel->r_offset, TRUE);
             break;

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

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

           case bfd_reloc_dangerous:
             msg = _("internal error: dangerous relocation");
             break;

           default:
             msg = _("internal error: unknown error");
             break;
           }

         if (msg)
           r = info->callbacks->warning
             (info, msg, name, input_bfd, input_section, rel->r_offset);

         if (! r)
           return FALSE;
       }
    }

  if (warn_tp)
    info->callbacks->undefined_symbol
      (info, "__tpbase", input_bfd, input_section, warn_tp-1, TRUE);
  if (warn_sda)
    info->callbacks->undefined_symbol
      (info, "__sdabase", input_bfd, input_section, warn_sda-1, TRUE);
  if (warn_sda || warn_tp)
    return FALSE;

  return TRUE;
}

Here is the call graph for this function:

static bfd_boolean mep_elf_section_flags ( flagword flags,
const Elf_Internal_Shdr hdr 
) [static]

Definition at line 905 of file elf32-mep.c.

{
  if (hdr->sh_flags & SHF_MEP_VLIW)
    * flags |= SEC_MEP_VLIW;
  return TRUE;
}
static bfd_boolean mep_elf_set_private_flags ( bfd abfd,
flagword  flags 
) [static]

Definition at line 736 of file elf32-mep.c.

{
  elf_elfheader (abfd)->e_flags = flags;
  elf_flags_init (abfd) = TRUE;
  return TRUE;
}
static bfd_reloc_status_type mep_final_link_relocate ( reloc_howto_type *  howto,
bfd input_bfd,
asection input_section,
bfd_byte contents,
Elf_Internal_Rela rel,
bfd_vma  relocation 
) [static]

Definition at line 231 of file elf32-mep.c.

{
  unsigned long u;
  long s;
  unsigned char *byte;
  bfd_vma pc;
  bfd_reloc_status_type r = bfd_reloc_ok;
  int e2, e4;

  if (bfd_big_endian (input_bfd))
    {
      e2 = 0;
      e4 = 0;
    }
  else
    {
      e2 = 1;
      e4 = 3;
    }

  pc = (input_section->output_section->vma
       + input_section->output_offset
       + rel->r_offset);

  s = relocation + rel->r_addend;

  byte = (unsigned char *)contents + rel->r_offset;

  if (howto->type == R_MEP_PCREL24A2
      && s == 0
      && pc >= 0x800000)
    {
      /* This is an unreachable branch to an undefined weak function.
        Silently ignore it, since the opcode can't do that but should
        never be executed anyway.  */
      return bfd_reloc_ok;
    }

  if (howto->pc_relative)
    s -= pc;

  u = (unsigned long) s;

  switch (howto->type)
    {
    /* MEPRELOC:APPLY */
    /* This section generated from bfd/mep-relocs.pl from include/elf/mep.h.  */
    case R_MEP_8: /* 76543210 */
      if (u > 255) r = bfd_reloc_overflow;
      byte[0] = (u & 0xff);
      break;
    case R_MEP_16: /* fedcba9876543210 */
      if (u > 65535) r = bfd_reloc_overflow;
      byte[0^e2] = ((u >> 8) & 0xff);
      byte[1^e2] = (u & 0xff);
      break;
    case R_MEP_32: /* vutsrqponmlkjihgfedcba9876543210 */
      byte[0^e4] = ((u >> 24) & 0xff);
      byte[1^e4] = ((u >> 16) & 0xff);
      byte[2^e4] = ((u >> 8) & 0xff);
      byte[3^e4] = (u & 0xff);
      break;
    case R_MEP_PCREL8A2: /* --------7654321- */
      if (-128 > s || s > 127) r = bfd_reloc_overflow;
      byte[1^e2] = (byte[1^e2] & 0x01) | (s & 0xfe);
      break;
    case R_MEP_PCREL12A2: /* ----ba987654321- */
      if (-2048 > s || s > 2047) r = bfd_reloc_overflow;
      byte[0^e2] = (byte[0^e2] & 0xf0) | ((s >> 8) & 0x0f);
      byte[1^e2] = (byte[1^e2] & 0x01) | (s & 0xfe);
      break;
    case R_MEP_PCREL17A2: /* ----------------gfedcba987654321 */
      if (-65536 > s || s > 65535) r = bfd_reloc_overflow;
      byte[2^e2] = ((s >> 9) & 0xff);
      byte[3^e2] = ((s >> 1) & 0xff);
      break;
    case R_MEP_PCREL24A2: /* -----7654321----nmlkjihgfedcba98 */
      if (-8388608 > s || s > 8388607) r = bfd_reloc_overflow;
      byte[0^e2] = (byte[0^e2] & 0xf8) | ((s >> 5) & 0x07);
      byte[1^e2] = (byte[1^e2] & 0x0f) | ((s << 3) & 0xf0);
      byte[2^e2] = ((s >> 16) & 0xff);
      byte[3^e2] = ((s >> 8) & 0xff);
      break;
    case R_MEP_PCABS24A2: /* -----7654321----nmlkjihgfedcba98 */
      if (u > 16777215) r = bfd_reloc_overflow;
      byte[0^e2] = (byte[0^e2] & 0xf8) | ((u >> 5) & 0x07);
      byte[1^e2] = (byte[1^e2] & 0x0f) | ((u << 3) & 0xf0);
      byte[2^e2] = ((u >> 16) & 0xff);
      byte[3^e2] = ((u >> 8) & 0xff);
      break;
    case R_MEP_LOW16: /* ----------------fedcba9876543210 */
      byte[2^e2] = ((u >> 8) & 0xff);
      byte[3^e2] = (u & 0xff);
      break;
    case R_MEP_HI16U: /* ----------------vutsrqponmlkjihg */
      byte[2^e2] = ((u >> 24) & 0xff);
      byte[3^e2] = ((u >> 16) & 0xff);
      break;
    case R_MEP_HI16S: /* ----------------vutsrqponmlkjihg */
      byte[2^e2] = ((s >> 24) & 0xff);
      byte[3^e2] = ((s >> 16) & 0xff);
      break;
    case R_MEP_GPREL: /* ----------------fedcba9876543210 */
      s -= mep_sdaoff_base(rel->r_offset);
      if (-32768 > s || s > 32767) r = bfd_reloc_overflow;
      byte[2^e2] = ((s >> 8) & 0xff);
      byte[3^e2] = (s & 0xff);
      break;
    case R_MEP_TPREL: /* ----------------fedcba9876543210 */
      s -= mep_tpoff_base(rel->r_offset);
      if (-32768 > s || s > 32767) r = bfd_reloc_overflow;
      byte[2^e2] = ((s >> 8) & 0xff);
      byte[3^e2] = (s & 0xff);
      break;
    case R_MEP_TPREL7: /* ---------6543210 */
      u -= mep_tpoff_base(rel->r_offset);
      if (u > 127) r = bfd_reloc_overflow;
      byte[1^e2] = (byte[1^e2] & 0x80) | (u & 0x7f);
      break;
    case R_MEP_TPREL7A2: /* ---------654321- */
      u -= mep_tpoff_base(rel->r_offset);
      if (u > 127) r = bfd_reloc_overflow;
      byte[1^e2] = (byte[1^e2] & 0x81) | (u & 0x7e);
      break;
    case R_MEP_TPREL7A4: /* ---------65432-- */
      u -= mep_tpoff_base(rel->r_offset);
      if (u > 127) r = bfd_reloc_overflow;
      byte[1^e2] = (byte[1^e2] & 0x83) | (u & 0x7c);
      break;
    case R_MEP_UIMM24: /* --------76543210nmlkjihgfedcba98 */
      if (u > 16777215) r = bfd_reloc_overflow;
      byte[1^e2] = (u & 0xff);
      byte[2^e2] = ((u >> 16) & 0xff);
      byte[3^e2] = ((u >> 8) & 0xff);
      break;
    case R_MEP_ADDR24A4: /* --------765432--nmlkjihgfedcba98 */
      if (u > 16777215) r = bfd_reloc_overflow;
      byte[1^e2] = (byte[1^e2] & 0x03) | (u & 0xfc);
      byte[2^e2] = ((u >> 16) & 0xff);
      byte[3^e2] = ((u >> 8) & 0xff);
      break;
    case R_MEP_GNU_VTINHERIT: /* ---------------- */
      break;
    case R_MEP_GNU_VTENTRY: /* ---------------- */
      break;
    /* MEPRELOC:END */
    default:
      abort ();
    }

  return r;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static void mep_info_to_howto_rela ( bfd *abfd  ATTRIBUTE_UNUSED,
arelent cache_ptr,
Elf_Internal_Rela dst 
) [static]

Definition at line 393 of file elf32-mep.c.

{
  unsigned int r_type;

  r_type = ELF32_R_TYPE (dst->r_info);
  cache_ptr->howto = & mep_elf_howto_table [r_type];
}
static bfd_vma mep_lookup_global ( char *  name,
bfd_vma  ofs,
bfd_vma cache,
int warn 
) [static]

Definition at line 193 of file elf32-mep.c.

{
  struct bfd_link_hash_entry *h;

  if (*cache || *warn)
    return *cache;

  h = bfd_link_hash_lookup (mep_info->hash, name, FALSE, FALSE, TRUE);
  if (h == 0 || h->type != bfd_link_hash_defined)
    {
      *warn = ofs + 1;
      return 0;
    }
  *cache = (h->u.def.value
         + h->u.def.section->output_section->vma
         + h->u.def.section->output_offset);
  return *cache;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static bfd_reloc_status_type mep_reloc ( bfd ,
arelent ,
struct bfd_symbol ,
void *  ,
asection ,
bfd ,
char **   
) [static]
static bfd_reloc_status_type mep_reloc ( bfd *abfd  ATTRIBUTE_UNUSED,
arelent *reloc_entry  ATTRIBUTE_UNUSED,
struct bfd_symbol *symbol  ATTRIBUTE_UNUSED,
void *data  ATTRIBUTE_UNUSED,
asection *input_section  ATTRIBUTE_UNUSED,
bfd *output_bfd  ATTRIBUTE_UNUSED,
char **error_message  ATTRIBUTE_UNUSED 
) [static]

Definition at line 81 of file elf32-mep.c.

{
  return bfd_reloc_ok;
}
static reloc_howto_type* mep_reloc_name_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
const char *  r_name 
) [static]

Definition at line 172 of file elf32-mep.c.

{
  unsigned int i;

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

  return NULL;
}

Here is the call graph for this function:

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

Definition at line 103 of file elf32-mep.c.

{
  unsigned int type = 0;

  switch (code)
    {
    MAP(NONE);
    case BFD_RELOC_8:
      type = R_MEP_8;
      break;
    case BFD_RELOC_16:
      type = R_MEP_16;
      break;
    case BFD_RELOC_32:
      type = R_MEP_32;
      break;
    case BFD_RELOC_VTABLE_ENTRY:
      type = R_MEP_GNU_VTENTRY;
      break;
    case BFD_RELOC_VTABLE_INHERIT:
      type = R_MEP_GNU_VTINHERIT;
      break;
    case BFD_RELOC_RELC:
      type = R_RELC;
      break;

    /* MEPRELOC:MAP */
    /* This section generated from bfd/mep-relocs.pl from include/elf/mep.h.  */
    MAP(8);
    MAP(16);
    MAP(32);
    MAP(PCREL8A2);
    MAP(PCREL12A2);
    MAP(PCREL17A2);
    MAP(PCREL24A2);
    MAP(PCABS24A2);
    MAP(LOW16);
    MAP(HI16U);
    MAP(HI16S);
    MAP(GPREL);
    MAP(TPREL);
    MAP(TPREL7);
    MAP(TPREL7A2);
    MAP(TPREL7A4);
    MAP(UIMM24);
    MAP(ADDR24A4);
    MAP(GNU_VTINHERIT);
    MAP(GNU_VTENTRY);
    /* MEPRELOC:END */

    default:
      /* Pacify gcc -Wall.  */
      fprintf (stderr, "mep: no reloc for code %d\n", code);
      return NULL;
    }

  if (mep_elf_howto_table[type].type != type)
    {
      fprintf (stderr, "MeP: howto %d has type %d\n", type, mep_elf_howto_table[type].type);
      abort ();
    }

  return mep_elf_howto_table + type;
}

Here is the call graph for this function:

static bfd_vma mep_sdaoff_base ( bfd_vma  ofs) [static]

Definition at line 223 of file elf32-mep.c.

{
  static bfd_vma cache = 0;
  return mep_lookup_global ("__sdabase", ofs, &cache, &warn_sda);
}

Here is the call graph for this function:

Here is the caller graph for this function:

static bfd_vma mep_tpoff_base ( bfd_vma  ofs) [static]

Definition at line 216 of file elf32-mep.c.

{
  static bfd_vma cache = 0;
  return mep_lookup_global ("__tpbase", ofs, &cache, &warn_tp);
}

Here is the call graph for this function:

Here is the caller graph for this function:


Variable Documentation

const char* config_names[] [static]
Initial value:
{
  "basic"
  
  ,"simple"
  ,"fmax"
  
}

Definition at line 834 of file elf32-mep.c.

const char* core_names[] [static]
Initial value:
{
  "MeP", "MeP-c2", "MeP-c3", "MeP-h1"
}

Definition at line 843 of file elf32-mep.c.

reloc_howto_type mep_elf_howto_table[] [static]
Initial value:
{
  
  MEPREL (R_MEP_NONE,     0,  0, 0, 0, 0, N, 0),
  MEPREL (R_RELC,         0,  0, 0, 0, 0, N, 0),
  
    
  MEPREL (R_MEP_8,        0,  8, 0, 0, 0, U, 0xff),
  MEPREL (R_MEP_16,       1, 16, 0, 0, 0, U, 0xffff),
  MEPREL (R_MEP_32,       2, 32, 0, 0, 0, U, 0xffffffff),
  MEPREL (R_MEP_PCREL8A2, 1,  8, 1, 1, 1, S, 0x00fe),
  MEPREL (R_MEP_PCREL12A2,1, 12, 1, 1, 1, S, 0x0ffe),
  MEPREL (R_MEP_PCREL17A2,2, 17, 0, 1, 1, S, 0x0000ffff),
  MEPREL (R_MEP_PCREL24A2,2, 24, 0, 1, 1, S, 0x07f0ffff),
  MEPREL (R_MEP_PCABS24A2,2, 24, 0, 1, 0, U, 0x07f0ffff),
  MEPREL (R_MEP_LOW16,    2, 16, 0, 0, 0, N, 0x0000ffff),
  MEPREL (R_MEP_HI16U,    2, 32, 0,16, 0, N, 0x0000ffff),
  MEPREL (R_MEP_HI16S,    2, 32, 0,16, 0, N, 0x0000ffff),
  MEPREL (R_MEP_GPREL,    2, 16, 0, 0, 0, S, 0x0000ffff),
  MEPREL (R_MEP_TPREL,    2, 16, 0, 0, 0, S, 0x0000ffff),
  MEPREL (R_MEP_TPREL7,   1,  7, 0, 0, 0, U, 0x007f),
  MEPREL (R_MEP_TPREL7A2, 1,  7, 1, 1, 0, U, 0x007e),
  MEPREL (R_MEP_TPREL7A4, 1,  7, 2, 2, 0, U, 0x007c),
  MEPREL (R_MEP_UIMM24,   2, 24, 0, 0, 0, U, 0x00ffffff),
  MEPREL (R_MEP_ADDR24A4, 2, 24, 0, 2, 0, U, 0x00fcffff),
  MEPREL (R_MEP_GNU_VTINHERIT,1,  0,16,32, 0, N, 0x0000),
  MEPREL (R_MEP_GNU_VTENTRY,1,  0,16,32, 0, N, 0x0000),
  
}

Definition at line 42 of file elf32-mep.c.

Definition at line 188 of file elf32-mep.c.

int warn_sda = 0 [static]

Definition at line 189 of file elf32-mep.c.

int warn_tp = 0 [static]

Definition at line 189 of file elf32-mep.c.