/* Matsushita 10300 specific support for 32-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
linking with -Bsymbolic. We store the information in a field
extending the regular ELF linker hash table. */
-/* This structure keeps track of the number of PC relative relocs we
- have copied for a given symbol. */
-
-struct elf_mn10300_pcrel_relocs_copied
-{
- /* Next section. */
- struct elf_mn10300_pcrel_relocs_copied * next;
- /* A section in dynobj. */
- asection * section;
- /* Number of relocs copied in this section. */
- bfd_size_type count;
-};
-
struct elf32_mn10300_link_hash_entry {
/* The basic elf link hash table entry. */
struct elf_link_hash_entry root;
add it to the hash table to avoid computing it over and over. */
unsigned char movm_stack_size;
- /* Number of PC relative relocs copied for this symbol. */
- struct elf_mn10300_pcrel_relocs_copied * pcrel_relocs_copied;
-
/* When set, convert all "call" instructions to this target into "calls"
instructions. */
#define MN10300_CONVERT_CALL_TO_CALLS 0x1
PARAMS ((bfd *, struct bfd_link_info *));
static bfd_boolean _bfd_mn10300_elf_adjust_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static bfd_boolean _bfd_mn10300_elf_discard_copies
- PARAMS ((struct elf32_mn10300_link_hash_entry *,
- struct bfd_link_info *));
static bfd_boolean _bfd_mn10300_elf_size_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static bfd_boolean _bfd_mn10300_elf_finish_dynamic_symbol
get_elf_backend_data (abfd)->collect, &bh)))
return FALSE;
h = (struct elf_link_hash_entry *) bh;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
h->type = STT_OBJECT;
if (info->shared
bed->collect, &bh)))
return FALSE;
h = (struct elf_link_hash_entry *) bh;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
h->type = STT_OBJECT;
if (info->shared
elf_hash_table (info)->hgot = h;
/* The first bit of the global offset table is the header. */
- s->_raw_size += bed->got_header_size + bed->got_symbol_offset;
+ s->size += bed->got_header_size + bed->got_symbol_offset;
return TRUE;
}
/* We have already allocated space in the .got. */
break;
- h->got.offset = sgot->_raw_size;
+ h->got.offset = sgot->size;
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
return FALSE;
}
- srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ srelgot->size += sizeof (Elf32_External_Rela);
}
else
{
/* We have already allocated space in the .got. */
break;
- local_got_offsets[r_symndx] = sgot->_raw_size;
+ local_got_offsets[r_symndx] = sgot->size;
if (info->shared)
/* If we are generating a shared object, we need to
output a R_MN10300_RELATIVE reloc so that the dynamic
linker can adjust this GOT entry. */
- srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ srelgot->size += sizeof (Elf32_External_Rela);
}
- sgot->_raw_size += 4;
+ sgot->size += 4;
break;
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
break;
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
break;
- case R_MN10300_32:
case R_MN10300_24:
case R_MN10300_16:
case R_MN10300_8:
case R_MN10300_PCREL16:
case R_MN10300_PCREL8:
if (h != NULL)
- h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
-
- /* If we are creating a shared library, and this is a reloc
- against a global symbol, or a non PC relative reloc
- against a local symbol, then we need to copy the reloc
- into the shared library. However, if we are linking with
- -Bsymbolic, we do not need to copy a reloc against a
- global symbol which is defined in an object we are
- including in the link (i.e., DEF_REGULAR is set). At
- this point we have not seen all the input files, so it is
- possible that DEF_REGULAR is not set now but will be set
- later (it is never cleared). We account for that
- possibility below by storing information in the
- pcrel_relocs_copied field of the hash table entry. */
+ h->non_got_ref = 1;
+ break;
+
+ case R_MN10300_32:
+ if (h != NULL)
+ h->non_got_ref = 1;
+
+ /* If we are creating a shared library, then we need to copy
+ the reloc into the shared library. */
if (info->shared
- && (sec->flags & SEC_ALLOC) != 0
- && (! (elf_mn10300_howto_table[ELF32_R_TYPE (rel->r_info)]
- .pc_relative)
- || (h != NULL
- && (! info->symbolic
- || h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ && (sec->flags & SEC_ALLOC) != 0)
{
/* When creating a shared object, we must copy these
reloc types into the output file. We create a reloc
}
}
- sreloc->_raw_size += sizeof (Elf32_External_Rela);
-
- /* If we are linking with -Bsymbolic, and this is a
- global symbol, we count the number of PC relative
- relocations we have entered for this symbol, so that
- we can discard them again if the symbol is later
- defined by a regular object. Note that this function
- is only called if we are using an elf_sh linker
- hash table, which means that h is really a pointer to
- an elf32_mn10300_link_hash_entry. */
- if (h != NULL
- && (elf_mn10300_howto_table[ELF32_R_TYPE (rel->r_info)]
- .pc_relative))
- {
- struct elf32_mn10300_link_hash_entry *eh;
- struct elf_mn10300_pcrel_relocs_copied *p;
-
- eh = (struct elf32_mn10300_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_mn10300_pcrel_relocs_copied *)
- bfd_alloc (dynobj, sizeof *p));
- if (p == NULL)
- return FALSE;
-
- p->next = eh->pcrel_relocs_copied;
- eh->pcrel_relocs_copied = p;
- p->section = sreloc;
- p->count = 0;
- }
-
- ++p->count;
- }
+ sreloc->size += sizeof (Elf32_External_Rela);
}
break;
bfd_vma addend;
struct elf_link_hash_entry * h;
unsigned long symndx;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info;
asection *sym_sec ATTRIBUTE_UNUSED;
int is_local ATTRIBUTE_UNUSED;
{
splt = NULL;
sreloc = NULL;
+ switch (r_type)
+ {
+ case R_MN10300_24:
+ case R_MN10300_16:
+ case R_MN10300_8:
+ case R_MN10300_PCREL8:
+ case R_MN10300_PCREL16:
+ case R_MN10300_PCREL32:
+ case R_MN10300_GOTOFF32:
+ case R_MN10300_GOTOFF24:
+ case R_MN10300_GOTOFF16:
+ if (info->shared
+ && (input_section->flags & SEC_ALLOC) != 0
+ && h != NULL
+ && ! SYMBOL_REFERENCES_LOCAL (info, h))
+ return bfd_reloc_dangerous;
+ }
+
switch (r_type)
{
case R_MN10300_NONE:
skip = FALSE;
- if (elf_section_data (input_section)->sec_info == NULL
- || (input_section->sec_info_type != ELF_INFO_TYPE_STABS))
- outrel.r_offset = offset;
- else
- {
- bfd_vma off;
-
- off = (_bfd_stab_section_offset
- (output_bfd, & elf_hash_table (info)->stab_info,
- input_section,
- & elf_section_data (input_section)->sec_info,
- offset));
- if (off == (bfd_vma) -1)
- skip = TRUE;
- outrel.r_offset = off;
- }
+ outrel.r_offset = _bfd_elf_section_offset (input_bfd, info,
+ input_section, offset);
+ if (outrel.r_offset == (bfd_vma) -1)
+ skip = TRUE;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
/* h->dynindx may be -1 if this symbol was marked to
become local. */
if (h == NULL
- || ((info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) != 0))
+ || SYMBOL_REFERENCES_LOCAL (info, h))
{
relocate = TRUE;
outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
return bfd_reloc_ok;
case R_MN10300_PCREL32:
- if (info->shared
- && (input_section->flags & SEC_ALLOC) != 0
- && h != NULL
- && h->dynindx != -1
- && (! info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
- {
- Elf_Internal_Rela outrel;
- bfd_boolean skip;
-
- /* When generating a shared object, these relocations
- are copied into the output file to be resolved at run
- time. */
-
- if (sreloc == NULL)
- {
- const char * name;
-
- name = (bfd_elf_string_from_elf_section
- (input_bfd,
- elf_elfheader (input_bfd)->e_shstrndx,
- elf_section_data (input_section)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
-
- BFD_ASSERT (strncmp (name, ".rela", 5) == 0
- && 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;
-
- if (elf_section_data (input_section)->sec_info == NULL
- || (input_section->sec_info_type != ELF_INFO_TYPE_STABS))
- outrel.r_offset = offset;
- else
- {
- bfd_vma off;
-
- off = (_bfd_stab_section_offset
- (output_bfd, & elf_hash_table (info)->stab_info,
- input_section,
- & elf_section_data (input_section)->sec_info,
- offset));
- if (off == (bfd_vma) -1)
- skip = TRUE;
- outrel.r_offset = off;
- }
-
- outrel.r_offset += (input_section->output_section->vma
- + input_section->output_offset);
-
- if (skip)
- memset (&outrel, 0, sizeof outrel);
- else
- {
- BFD_ASSERT (h != NULL && h->dynindx != -1);
- outrel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_PCREL32);
- outrel.r_addend = addend;
- }
-
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,
- (bfd_byte *) (((Elf32_External_Rela *)
- sreloc->contents)
- + sreloc->reloc_count));
- ++sreloc->reloc_count;
-
- return bfd_reloc_ok;
- }
-
value -= (input_section->output_section->vma
+ input_section->output_offset);
value -= offset;
BFD_ASSERT (off != (bfd_vma) -1);
if (! elf_hash_table (info)->dynamic_sections_created
- || (info->shared
- && (info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
+ || SYMBOL_REFERENCES_LOCAL (info, h))
/* This is actually a static link, or it is a
-Bsymbolic link and the symbol is defined
locally, or the symbol was forced to be local
|| r_type == R_MN10300_GOT24
|| r_type == R_MN10300_GOT16)
&& elf_hash_table (info)->dynamic_sections_created
- && (! info->shared
- || (! info->symbolic && h->root.dynindx != -1)
- || (h->root.elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
- || (info->shared
- && ((! info->symbolic && h->root.dynindx != -1)
- || (h->root.elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)
- && ( r_type == R_MN10300_32
- || r_type == R_MN10300_PCREL32)
+ && !SYMBOL_REFERENCES_LOCAL (info, hh))
+ || (r_type == R_MN10300_32
+ && !SYMBOL_REFERENCES_LOCAL (info, hh)
&& ((input_section->flags & SEC_ALLOC) != 0
/* DWARF will emit R_MN10300_32 relocations
in its sections against symbols defined
externally in shared libraries. We can't
do anything with them here. */
|| ((input_section->flags & SEC_DEBUGGING) != 0
- && (h->root.elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0)))))
+ && h->root.def_dynamic)))))
/* In these cases, we don't need the relocation
value. We check specially because in some
obscure cases sec->output_section will be NULL. */
{
case bfd_reloc_overflow:
if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
+ (info, (h ? &h->root.root : NULL), name,
+ howto->name, (bfd_vma) 0, input_bfd,
+ input_section, rel->r_offset)))
return FALSE;
break;
/* Get cached copy of section contents if it exists. */
if (elf_section_data (section)->this_hdr.contents != NULL)
contents = elf_section_data (section)->this_hdr.contents;
- else if (section->_raw_size != 0)
+ else if (section->size != 0)
{
/* Go get them off disk. */
- contents = (bfd_byte *) bfd_malloc (section->_raw_size);
- if (contents == NULL)
- goto error_return;
-
- if (!bfd_get_section_contents (input_bfd, section,
- contents, (file_ptr) 0,
- section->_raw_size))
+ if (!bfd_malloc_and_get_section (input_bfd, section,
+ &contents))
goto error_return;
}
else
if (new_name == 0)
goto error_return;
- sprintf (new_name, "%s_%08x",
- sym_name, (int) sym_sec);
+ sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
sym_name = new_name;
elftab = &hash_table->static_hash_table->root;
if (new_name == 0)
goto error_return;
- sprintf (new_name, "%s_%08x",
- sym_name, (int) sym_sec);
+ sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
sym_name = new_name;
elftab = &hash_table->static_hash_table->root;
unsigned int symcount;
/* Skip non-code sections and empty sections. */
- if ((section->flags & SEC_CODE) == 0 || section->_raw_size == 0)
+ if ((section->flags & SEC_CODE) == 0 || section->size == 0)
continue;
if (section->reloc_count != 0)
else
{
/* Go get them off disk. */
- contents = (bfd_byte *) bfd_malloc (section->_raw_size);
- if (contents == NULL)
- goto error_return;
-
- if (!bfd_get_section_contents (input_bfd, section,
- contents, (file_ptr) 0,
- section->_raw_size))
+ if (!bfd_malloc_and_get_section (input_bfd, section,
+ &contents))
goto error_return;
}
new_name = bfd_malloc (amt);
if (new_name == 0)
goto error_return;
- sprintf (new_name, "%s_%08x", sym_name, (int) sym_sec);
+ sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
sym_name = new_name;
elftab = &hash_table->static_hash_table->root;
|| (sec->flags & SEC_CODE) == 0)
return TRUE;
- /* If this is the first time we have been called for this section,
- initialize the cooked size. */
- if (sec->_cooked_size == 0)
- sec->_cooked_size = sec->_raw_size;
-
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
/* Get a copy of the native relocations. */
else
{
/* Go get them off disk. */
- contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
- if (contents == NULL)
- goto error_return;
-
- if (! bfd_get_section_contents (abfd, sec, contents,
- (file_ptr) 0, sec->_raw_size))
+ if (!bfd_malloc_and_get_section (abfd, sec, &contents))
goto error_return;
}
}
asection *sym_sec = NULL;
const char *sym_name;
char *new_name;
+ bfd_vma saved_addend;
/* A local symbol. */
isym = isymbuf + ELF32_R_SYM (irel->r_info);
else
sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
- symval = (isym->st_value
- + sym_sec->output_section->vma
- + sym_sec->output_offset);
sym_name = bfd_elf_string_from_elf_section (abfd,
symtab_hdr->sh_link,
isym->st_name);
+ if ((sym_sec->flags & SEC_MERGE)
+ && ELF_ST_TYPE (isym->st_info) == STT_SECTION
+ && sym_sec->sec_info_type == ELF_INFO_TYPE_MERGE)
+ {
+ saved_addend = irel->r_addend;
+ symval = _bfd_elf_rela_local_sym (abfd, isym, &sym_sec, irel);
+ symval += irel->r_addend;
+ irel->r_addend = saved_addend;
+ }
+ else
+ {
+ symval = (isym->st_value
+ + sym_sec->output_section->vma
+ + sym_sec->output_offset);
+ }
/* Tack on an ID so we can uniquely identify this
local symbol in the global hash table. */
new_name = bfd_malloc ((bfd_size_type) strlen (sym_name) + 10);
if (new_name == 0)
goto error_return;
- sprintf (new_name, "%s_%08x", sym_name, (int) sym_sec);
+ sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
sym_name = new_name;
h = (struct elf32_mn10300_link_hash_entry *)
value += irel->r_addend;
/* Do nothing if this reloc is the last byte in the section. */
- if (irel->r_offset == sec->_cooked_size)
+ if (irel->r_offset == sec->size)
continue;
/* See if the next instruction is an unconditional pc-relative
power larger than the number of bytes we are deleting. */
irelalign = NULL;
- toaddr = sec->_cooked_size;
+ toaddr = sec->size;
irel = elf_section_data (sec)->relocs;
irelend = irel + sec->reloc_count;
/* Actually delete the bytes. */
memmove (contents + addr, contents + addr + count,
(size_t) (toaddr - addr - count));
- sec->_cooked_size -= count;
+ sec->size -= count;
/* Adjust all the relocs. */
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
- (size_t) input_section->_raw_size);
+ (size_t) input_section->size);
if ((input_section->flags & SEC_RELOC) != 0
&& input_section->reloc_count > 0)
ret->stack_size = 0;
ret->movm_args = 0;
ret->movm_stack_size = 0;
- ret->pcrel_relocs_copied = NULL;
ret->flags = 0;
}
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
- && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
- || h->weakdef != NULL
- || ((h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_REF_REGULAR) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)));
+ && (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->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ || h->needs_plt)
{
if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0)
+ && !h->def_dynamic
+ && !h->ref_dynamic)
{
/* This case can occur if we saw a PLT reloc in an input
file, but the symbol was never referred to by a dynamic
object. In such a case, we don't actually need to build
a procedure linkage table, and we can just do a REL32
reloc instead. */
- BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
+ BFD_ASSERT (h->needs_plt);
return TRUE;
}
/* If this is the first .plt entry, make room for the special
first entry. */
- if (s->_raw_size == 0)
- s->_raw_size += elf_mn10300_sizeof_plt0 (info);
+ if (s->size == 0)
+ s->size += elf_mn10300_sizeof_plt0 (info);
/* If this symbol is not defined in a regular file, and we are
not generating a shared library, then set the symbol to this
pointers compare as equal between the normal executable and
the shared library. */
if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && !h->def_regular)
{
h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
+ h->root.u.def.value = s->size;
}
- h->plt.offset = s->_raw_size;
+ h->plt.offset = s->size;
/* Make room for this entry. */
- s->_raw_size += elf_mn10300_sizeof_plt (info);
+ s->size += elf_mn10300_sizeof_plt (info);
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
s = bfd_get_section_by_name (dynobj, ".got.plt");
BFD_ASSERT (s != NULL);
- s->_raw_size += 4;
+ 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->_raw_size += sizeof (Elf32_External_Rela);
+ s->size += sizeof (Elf32_External_Rela);
return TRUE;
}
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->weakdef != NULL)
+ if (h->u.weakdef != NULL)
{
- BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
- || h->weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->weakdef->root.u.def.section;
- h->root.u.def.value = h->weakdef->root.u.def.value;
+ 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;
}
/* If there are no references to this symbol that do not use the
GOT, we don't need to generate a copy reloc. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
+ if (!h->non_got_ref)
return TRUE;
/* We must allocate the symbol in our .dynbss section, which will
srel = bfd_get_section_by_name (dynobj, ".rela.bss");
BFD_ASSERT (srel != NULL);
- srel->_raw_size += sizeof (Elf32_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ srel->size += sizeof (Elf32_External_Rela);
+ h->needs_copy = 1;
}
/* We need to figure out the alignment required for this symbol. I
power_of_two = 3;
/* Apply the required alignment. */
- s->_raw_size = BFD_ALIGN (s->_raw_size,
- (bfd_size_type) (1 << power_of_two));
+ 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))
/* Define the symbol as being at this point in the section. */
h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
+ h->root.u.def.value = s->size;
/* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
-
- return TRUE;
-}
-
-/* This function is called via elf32_mn10300_link_hash_traverse if we are
- creating a shared object with -Bsymbolic. It discards the space
- allocated to copy PC relative relocs against symbols which are
- defined in regular objects. We allocated space for them in the
- check_relocs routine, but we won't fill them in in the
- relocate_section routine. */
-
-static bfd_boolean
-_bfd_mn10300_elf_discard_copies (h, info)
- struct elf32_mn10300_link_hash_entry *h;
- struct bfd_link_info *info;
-{
- struct elf_mn10300_pcrel_relocs_copied *s;
-
- /* If a symbol has been forced local or we have found a regular
- definition for the symbolic link case, then we won't be needing
- any relocs. */
- if ((h->root.elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- && ((h->root.elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
- || info->symbolic))
- {
- for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
- s->section->_raw_size -= s->count * sizeof (Elf32_External_Rel);
- }
+ s->size += h->size;
return TRUE;
}
{
s = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (s != NULL);
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
below. */
s = bfd_get_section_by_name (dynobj, ".rela.got");
if (s != NULL)
- s->_raw_size = 0;
+ 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)
- elf32_mn10300_link_hash_traverse (elf32_mn10300_hash_table (info),
- _bfd_mn10300_elf_discard_copies,
- info);
-
/* The check_relocs and adjust_dynamic_symbol entry points have
determined the sizes of the various dynamic sections. Allocate
memory for them. */
if (strcmp (name, ".plt") == 0)
{
- if (s->_raw_size == 0)
+ if (s->size == 0)
/* Strip this section if we don't need it; see the
comment below. */
strip = TRUE;
}
else if (strncmp (name, ".rela", 5) == 0)
{
- if (s->_raw_size == 0)
+ 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
section's contents are written out. This should not happen,
but this way if it does, we get a R_MN10300_NONE reloc
instead of garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
- if (s->contents == NULL && s->_raw_size != 0)
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL && s->size != 0)
return FALSE;
}
(bfd_byte *) ((Elf32_External_Rela *) srel->contents
+ plt_index));
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ 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;
initialized in the relocate_section function. */
if (info->shared
&& (info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ && h->def_regular)
{
rel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
rel.r_addend = (h->root.u.def.value
++ srel->reloc_count;
}
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+ if (h->needs_copy)
{
asection * s;
Elf_Internal_Rela rel;
BFD_ASSERT (sdyn != NULL);
dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
case DT_PLTRELSZ:
s = bfd_get_section_by_name (output_bfd, ".rela.plt");
BFD_ASSERT (s != NULL);
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
+ dyn.d_un.d_val = s->size;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
about changing the DT_RELA entry. */
s = bfd_get_section_by_name (output_bfd, ".rela.plt");
if (s != NULL)
- {
- if (s->_cooked_size != 0)
- dyn.d_un.d_val -= s->_cooked_size;
- else
- dyn.d_un.d_val -= s->_raw_size;
- }
+ dyn.d_un.d_val -= s->size;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
}
/* Fill in the first entry in the procedure linkage table. */
splt = bfd_get_section_by_name (dynobj, ".plt");
- if (splt && splt->_raw_size > 0)
+ if (splt && splt->size > 0)
{
if (info->shared)
{
}
/* Fill in the first three entries in the global offset table. */
- if (sgot->_raw_size > 0)
+ if (sgot->size > 0)
{
if (sdyn == NULL)
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
return TRUE;
}
+/* Classify relocation types, such that combreloc can sort them
+ properly. */
+
+static enum elf_reloc_type_class
+_bfd_mn10300_elf_reloc_type_class (const Elf_Internal_Rela *rela)
+{
+ switch ((int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_MN10300_RELATIVE:
+ return reloc_class_relative;
+ case R_MN10300_JMP_SLOT:
+ return reloc_class_plt;
+ case R_MN10300_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
+
#ifndef ELF_ARCH
#define TARGET_LITTLE_SYM bfd_elf32_mn10300_vec
#define TARGET_LITTLE_NAME "elf32-mn10300"
#define elf_backend_finish_dynamic_sections \
_bfd_mn10300_elf_finish_dynamic_sections
+#define elf_backend_reloc_type_class \
+ _bfd_mn10300_elf_reloc_type_class
+
#define elf_backend_want_got_plt 1
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0