/* Matsushita 10300 specific support for 32-bit ELF
- Copyright (C) 1996-2014 Free Software Foundation, Inc.
+ Copyright (C) 1996-2017 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
/* Dummy relocation. Does nothing. */
HOWTO (R_MN10300_NONE,
0,
- 2,
- 16,
+ 3,
+ 0,
FALSE,
0,
- complain_overflow_bitfield,
+ complain_overflow_dont,
bfd_elf_generic_reloc,
"R_MN10300_NONE",
FALSE,
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) R_MN10300_MAX);
+ if (r_type >= R_MN10300_MAX)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: unrecognised MN10300 reloc number: %d"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ r_type = R_MN10300_NONE;
+ }
cache_ptr->howto = elf_mn10300_howto_table + r_type;
}
&& elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_IE)
return R_MN10300_TLS_GOTIE;
- if (info->shared)
+ if (bfd_link_pic (info))
return r_type;
if (! (sec->flags & SEC_CODE))
break;
default:
- (*_bfd_error_handler)
- (_("%s: Unsupported transition from %s to %s"),
- bfd_get_filename (input_bfd),
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B: Unsupported transition from %s to %s"),
+ input_bfd,
elf_mn10300_howto_table[r_type].name,
elf_mn10300_howto_table[tls_r_type].name);
break;
srelgot = NULL;
sreloc = NULL;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
case R_MN10300_TLS_IE:
case R_MN10300_TLS_GOTIE:
- if (info->shared)
+ if (bfd_link_pic (info))
info->flags |= DF_STATIC_TLS;
/* Fall through */
default: tls_type = GOT_NORMAL; break;
}
- if (sgot == NULL)
- {
- sgot = htab->root.sgot;
- BFD_ASSERT (sgot != NULL);
- }
-
- if (srelgot == NULL
- && (h != NULL || info->shared))
- {
- srelgot = bfd_get_linker_section (dynobj, ".rela.got");
- if (srelgot == NULL)
- {
- flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY | SEC_LINKER_CREATED
- | SEC_READONLY);
- srelgot = bfd_make_section_anyway_with_flags (dynobj,
- ".rela.got",
- flags);
- if (srelgot == NULL
- || ! bfd_set_section_alignment (dynobj, srelgot, 2))
- goto fail;
- }
- }
+ sgot = htab->root.sgot;
+ srelgot = htab->root.srelgot;
+ BFD_ASSERT (sgot != NULL && srelgot != NULL);
if (r_type == R_MN10300_TLS_LD)
{
/* Transition GD->IE. */
tls_type = GOT_TLS_IE;
else
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%B: %s' accessed both as normal and thread local symbol"),
abfd, h ? h->root.root.string : "<local>");
}
local_got_offsets[r_symndx] = sgot->size;
- if (info->shared)
+ if (bfd_link_pic (info))
{
/* If we are generating a shared object, we need to
output a R_MN10300_RELATIVE reloc so that the dynamic
need_shared_relocs:
/* If we are creating a shared library, then we
need to copy the reloc into the shared library. */
- if (info->shared
+ if (bfd_link_pic (info)
&& (sec->flags & SEC_ALLOC) != 0
/* Do not generate a dynamic reloc for a
reloc associated with a SYM_DIFF operation. */
case R_MN10300_GOTOFF32:
case R_MN10300_GOTOFF24:
case R_MN10300_GOTOFF16:
- if (info->shared
+ if (bfd_link_pic (info)
&& (input_section->flags & SEC_ALLOC) != 0
&& h != NULL
&& ! SYMBOL_REFERENCES_LOCAL (info, h))
return bfd_reloc_dangerous;
+ /* Fall through. */
case R_MN10300_GOT32:
/* Issue 2052223:
Taking the address of a protected function in a shared library
is illegal. Issue an error message here. */
- if (info->shared
+ if (bfd_link_pic (info)
&& (input_section->flags & SEC_ALLOC) != 0
&& h != NULL
&& ELF_ST_VISIBILITY (h->other) == STV_PROTECTED
return bfd_reloc_ok;
case R_MN10300_32:
- if (info->shared
+ if (bfd_link_pic (info)
/* Do not generate relocs when an R_MN10300_32 has been used
with an R_MN10300_SYM_DIFF to compute a difference of two
symbols. */
if (!htab->tls_ldm_got.rel_emitted)
{
- asection * srelgot = bfd_get_linker_section (dynobj, ".rela.got");
+ asection *srelgot = htab->root.srelgot;
Elf_Internal_Rela rel;
BFD_ASSERT (srelgot != NULL);
{
bfd_put_32 (output_bfd, value, sgot->contents + off);
- if (info->shared)
+ if (bfd_link_pic (info))
{
- asection * srelgot;
+ asection *srelgot = htab->root.srelgot;;
Elf_Internal_Rela outrel;
- srelgot = bfd_get_linker_section (dynobj, ".rela.got");
BFD_ASSERT (srelgot != NULL);
outrel.r_offset = (sgot->output_section->vma
/* _32 relocs in executables force _COPY relocs,
such that the address of the symbol ends up
being local. */
- && !info->executable
+ && !bfd_link_executable (info)
&& !SYMBOL_REFERENCES_LOCAL (info, hh)
&& ((input_section->flags & SEC_ALLOC) != 0
/* DWARF will emit R_MN10300_32 relocations
obscure cases sec->output_section will be NULL. */
relocation = 0;
- else if (!info->relocatable && unresolved_reloc
+ else if (!bfd_link_relocatable (info) && unresolved_reloc
&& _bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset) != (bfd_vma) -1)
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
input_bfd,
input_section,
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
r = mn10300_elf_final_link_relocate (howto, input_bfd, output_bfd,
switch (r)
{
case bfd_reloc_overflow:
- if (! ((*info->callbacks->reloc_overflow)
- (info, (h ? &h->root.root : NULL), name,
- howto->name, (bfd_vma) 0, input_bfd,
- input_section, rel->r_offset)))
- return FALSE;
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root.root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- if (! ((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset, TRUE)))
- return FALSE;
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
msg = _("error: inappropriate relocation type for shared"
" library (did you forget -fpic?)");
else if (r_type == R_MN10300_GOT32)
+ /* xgettext:c-format */
msg = _("%B: taking the address of protected function"
" '%s' cannot be done when making a shared library");
else
asection *section = sec;
bfd_vma align_gap_adjustment;
- if (link_info->relocatable)
+ if (bfd_link_relocatable (link_info))
(*link_info->callbacks->einfo)
(_("%P%F: --relax and -r may not be used together\n"));
/* Iterate over all the input bfds. */
for (input_bfd = link_info->input_bfds;
input_bfd != NULL;
- input_bfd = input_bfd->link_next)
+ input_bfd = input_bfd->link.next)
{
/* We're going to need all the symbols for each bfd. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
a "call" instruction. */
for (input_bfd = link_info->input_bfds;
input_bfd != NULL;
- input_bfd = input_bfd->link_next)
+ input_bfd = input_bfd->link.next)
{
/* We're going to need all the local symbols for each bfd. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
/* We don't have to do anything for a relocatable link, if
this section does not have relocs, or if this is not a
code section. */
- if (link_info->relocatable
+ if (bfd_link_relocatable (link_info)
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
_bfd_elf_link_hash_copy_indirect (info, dir, ind);
}
+/* Destroy an mn10300 ELF linker hash table. */
+
+static void
+elf32_mn10300_link_hash_table_free (bfd *obfd)
+{
+ struct elf32_mn10300_link_hash_table *ret
+ = (struct elf32_mn10300_link_hash_table *) obfd->link.hash;
+
+ obfd->link.hash = &ret->static_hash_table->root.root;
+ _bfd_elf_link_hash_table_free (obfd);
+ obfd->is_linker_output = TRUE;
+ obfd->link.hash = &ret->root.root;
+ _bfd_elf_link_hash_table_free (obfd);
+}
+
/* Create an mn10300 ELF linker hash table. */
static struct bfd_link_hash_table *
if (ret == NULL)
return NULL;
- if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
- elf32_mn10300_link_hash_newfunc,
- sizeof (struct elf32_mn10300_link_hash_entry),
- MN10300_ELF_DATA))
- {
- free (ret);
- return NULL;
- }
-
- ret->tls_ldm_got.offset = -1;
-
amt = sizeof (struct elf_link_hash_table);
ret->static_hash_table = bfd_zmalloc (amt);
if (ret->static_hash_table == NULL)
free (ret);
return NULL;
}
- return & ret->root.root;
-}
-/* Free an mn10300 ELF linker hash table. */
+ abfd->is_linker_output = FALSE;
+ abfd->link.hash = NULL;
+ if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
+ elf32_mn10300_link_hash_newfunc,
+ sizeof (struct elf32_mn10300_link_hash_entry),
+ MN10300_ELF_DATA))
+ {
+ abfd->is_linker_output = TRUE;
+ abfd->link.hash = &ret->static_hash_table->root.root;
+ _bfd_elf_link_hash_table_free (abfd);
+ free (ret);
+ return NULL;
+ }
+ ret->root.root.hash_table_free = elf32_mn10300_link_hash_table_free;
-static void
-elf32_mn10300_link_hash_table_free (struct bfd_link_hash_table *hash)
-{
- struct elf32_mn10300_link_hash_table *ret
- = (struct elf32_mn10300_link_hash_table *) hash;
+ ret->tls_ldm_got.offset = -1;
- _bfd_elf_link_hash_table_free
- ((struct bfd_link_hash_table *) ret->static_hash_table);
- _bfd_elf_link_hash_table_free
- ((struct bfd_link_hash_table *) ret);
+ return & ret->root.root;
}
static unsigned long
object file when linking. */
static bfd_boolean
-_bfd_mn10300_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+_bfd_mn10300_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
+
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
return TRUE;
/* Return size of the first PLT entry. */
#define elf_mn10300_sizeof_plt0(info) \
- (info->shared ? PIC_PLT_ENTRY_SIZE : PLT0_ENTRY_SIZE)
+ (bfd_link_pic (info) ? PIC_PLT_ENTRY_SIZE : PLT0_ENTRY_SIZE)
/* Return size of a PLT entry. */
#define elf_mn10300_sizeof_plt(info) \
- (info->shared ? PIC_PLT_ENTRY_SIZE : PLT_ENTRY_SIZE)
+ (bfd_link_pic (info) ? PIC_PLT_ENTRY_SIZE : PLT_ENTRY_SIZE)
/* Return offset of the PLT0 address in an absolute PLT entry. */
#define elf_mn10300_plt_plt0_offset(info) 16
be needed, we can discard it later. We will never need this
section when generating a shared object, since they do not use
copy relocs. */
- if (! info->shared)
+ if (! bfd_link_pic (info))
{
s = bfd_make_section_anyway_with_flags (abfd,
(bed->default_use_rela_p
if (h->type == STT_FUNC
|| h->needs_plt)
{
- if (! info->shared
+ if (! bfd_link_pic (info)
&& !h->def_dynamic
&& !h->ref_dynamic)
{
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
+ if (! bfd_link_pic (info)
&& !h->def_regular)
{
h->root.u.def.section = s;
s->size += 4;
/* We also need to make an entry in the .rela.plt section. */
- s = bfd_get_linker_section (dynobj, ".rela.plt");
+ s = htab->root.srelplt;
BFD_ASSERT (s != NULL);
s->size += sizeof (Elf32_External_Rela);
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)
+ if (bfd_link_pic (info))
return TRUE;
/* If there are no references to this symbol that do not use the
h->needs_copy = 1;
}
- return _bfd_elf_adjust_dynamic_copy (h, s);
+ return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
/* Set the sizes of the dynamic sections. */
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
+ if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
if (htab->tls_ldm_got.refcount > 0)
{
- s = bfd_get_linker_section (dynobj, ".rela.got");
+ s = htab->root.srelgot;
BFD_ASSERT (s != NULL);
s->size += sizeof (Elf32_External_Rela);
}
but we must add the entries now so that we get the correct
size for the .dynamic section. The DT_DEBUG entry is filled
in by the dynamic linker and used by the debugger. */
- if (! info->shared)
+ if (! bfd_link_pic (info))
{
if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0))
return FALSE;
splt = htab->root.splt;
sgot = htab->root.sgotplt;
- srel = bfd_get_linker_section (dynobj, ".rela.plt");
+ srel = htab->root.srelplt;
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
/* Get the index in the procedure linkage table which
got_offset = (plt_index + 3) * 4;
/* Fill in the entry in the procedure linkage table. */
- if (! info->shared)
+ if (! bfd_link_pic (info))
{
memcpy (splt->contents + h->plt.offset, elf_mn10300_plt_entry,
elf_mn10300_sizeof_plt (info));
/* This symbol has an entry in the global offset table. Set it up. */
sgot = htab->root.sgot;
- srel = bfd_get_linker_section (dynobj, ".rela.got");
+ srel = htab->root.srelgot;
BFD_ASSERT (sgot != NULL && srel != NULL);
rel.r_offset = (sgot->output_section->vma
the symbol was forced to be local because of a version file.
The entry in the global offset table will already have been
initialized in the relocate_section function. */
- if (info->shared
+ if (bfd_link_pic (info)
&& (info->symbolic || h->dynindx == -1)
&& h->def_regular)
{
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
- const char * name;
asection * s;
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
break;
case DT_PLTGOT:
- name = ".got";
+ s = htab->root.sgot;
goto get_vma;
case DT_JMPREL:
- name = ".rela.plt";
+ s = htab->root.srelplt;
get_vma:
- s = bfd_get_section_by_name (output_bfd, name);
- BFD_ASSERT (s != NULL);
- dyn.d_un.d_ptr = s->vma;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
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);
+ s = htab->root.srelplt;
dyn.d_un.d_val = s->size;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
-
- case DT_RELASZ:
- /* My reading of the SVR4 ABI indicates that the
- procedure linkage table relocs (DT_JMPREL) should be
- included in the overall relocs (DT_RELA). This is
- what Solaris does. However, UnixWare can not handle
- that case. Therefore, we override the DT_RELASZ entry
- here to make it not include the JMPREL relocs. Since
- the linker script arranges for .rela.plt to follow all
- other relocation sections, we don't have to worry
- about changing the DT_RELA entry. */
- s = bfd_get_section_by_name (output_bfd, ".rela.plt");
- if (s != NULL)
- dyn.d_un.d_val -= s->size;
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
- break;
}
}
splt = htab->root.splt;
if (splt && splt->size > 0)
{
- if (info->shared)
+ if (bfd_link_pic (info))
{
memcpy (splt->contents, elf_mn10300_pic_plt_entry,
elf_mn10300_sizeof_plt (info));
#define bfd_elf32_mkobject mn10300_elf_mkobject
#ifndef ELF_ARCH
-#define TARGET_LITTLE_SYM bfd_elf32_mn10300_vec
+#define TARGET_LITTLE_SYM mn10300_elf32_vec
#define TARGET_LITTLE_NAME "elf32-mn10300"
#define ELF_ARCH bfd_arch_mn10300
#define ELF_TARGET_ID MN10300_ELF_DATA
mn10300_elf_get_relocated_section_contents
#define bfd_elf32_bfd_link_hash_table_create \
elf32_mn10300_link_hash_table_create
-#define bfd_elf32_bfd_link_hash_table_free \
- elf32_mn10300_link_hash_table_free
#ifndef elf_symbol_leading_char
#define elf_symbol_leading_char '_'
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 12
+#define elf_backend_dtrel_excludes_plt 1
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff