/* SuperH SH64-specific support for 64-bit ELF
- Copyright (C) 2000-2015 Free Software Foundation, Inc.
+ Copyright (C) 2000-2017 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#define elf_sh64_plt_symbol_offset(info) 0
/* Return offset of the relocation in PLT entry. */
-#define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44)
+#define elf_sh64_plt_reloc_offset(info) (bfd_link_pic (info) ? 52 : 44)
#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
Elf_Internal_Rela *rel, *relend;
- bfd *dynobj;
bfd_vma *local_got_offsets;
asection *sgot;
asection *sgotplt;
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
- dynobj = elf_hash_table (info)->dynobj;
local_got_offsets = elf_local_got_offsets (input_bfd);
- sgot = NULL;
- sgotplt = NULL;
- splt = NULL;
sreloc = NULL;
rel = relocs;
datalabel processing here. Make sure this does not change
without notice. */
if ((sym->st_other & STO_SH5_ISA32) != 0)
- ((*info->callbacks->reloc_dangerous)
- (info,
- _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
- input_bfd, input_section, rel->r_offset));
+ (*info->callbacks->reloc_dangerous)
+ (info,
+ _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
+ input_bfd, input_section, rel->r_offset);
if (sec != NULL && discarded_section (sec))
/* Handled below. */
;
- else if (info->relocatable)
+ else if (bfd_link_relocatable (info))
{
/* This is a relocatable link. We don't have to change
anything, unless the reloc is against a section symbol,
if (howto->rightshift || howto->src_mask != 0xffffffff)
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
input_bfd, input_section,
(long) rel->r_offset, howto->name);
|| r_type == R_SH_GOT_MEDHI16
|| r_type == R_SH_GOT_HI16)
&& elf_hash_table (info)->dynamic_sections_created
- && (! info->shared
+ && (! bfd_link_pic (info)
|| (! info->symbolic && h->dynindx != -1)
|| !h->def_regular))
/* The cases above are those in which relocation is
below are those in which we must defer relocation
to run-time, because we can't resolve absolute
addresses when creating a shared library. */
- || (info->shared
+ || (bfd_link_pic (info)
&& ((! info->symbolic && h->dynindx != -1)
|| !h->def_regular)
&& ((r_type == R_SH_64
STT_DATALABEL on the way to it. */
| ((h->other & STO_SH5_ISA32) != 0
&& ! seen_stt_datalabel));
- else if (!info->relocatable
+ else if (!bfd_link_relocatable (info)
&& (_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,
else if (info->unresolved_syms_in_objects == RM_IGNORE
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
;
- else if (!info->relocatable)
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset,
- (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
- || ELF_ST_VISIBILITY (h->other)))))
- return FALSE;
- }
+ else if (!bfd_link_relocatable (info))
+ (*info->callbacks->undefined_symbol)
+ (info, h->root.root.string, input_bfd,
+ input_section, rel->r_offset,
+ (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
+ || ELF_ST_VISIBILITY (h->other)));
}
if (sec != NULL && discarded_section (sec))
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
disp = (relocation
}
if (dropped != 0)
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"),
bfd_get_filename (input_bfd), (int)r_type, (unsigned)rel->r_offset, (unsigned)relocation);
bfd_set_error (bfd_error_bad_value);
{
case R_SH_64:
case R_SH_64_PCREL:
- if (info->shared
+ if (bfd_link_pic (info)
&& (input_section->flags & SEC_ALLOC) != 0
&& (r_type != R_SH_64_PCREL
|| (h != NULL
if (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
- || ! info->shared
+ || ! bfd_link_pic (info)
|| info->symbolic
|| h->dynindx == -1
|| h->plt.offset == (bfd_vma) -1
/* Relocation is to the entry for this symbol in the global
offset table extension for the procedure linkage table. */
- if (sgotplt == NULL)
- {
- sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
- BFD_ASSERT (sgotplt != NULL);
- }
+ sgotplt = elf_hash_table (info)->sgotplt;
+ BFD_ASSERT (sgotplt != NULL);
relocation = (sgotplt->output_offset
+ ((h->plt.offset / elf_sh64_sizeof_plt (info)
case R_SH_GOT10BY8:
/* Relocation is to the entry for this symbol in the global
offset table. */
- if (sgot == NULL)
- {
- sgot = bfd_get_linker_section (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
- }
+ sgot = elf_hash_table (info)->sgot;
+ BFD_ASSERT (sgot != NULL);
if (h != NULL)
{
BFD_ASSERT (off != (bfd_vma) -1);
if (! elf_hash_table (info)->dynamic_sections_created
- || (info->shared
+ || (bfd_link_pic (info)
&& (info->symbolic || h->dynindx == -1
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
{
bfd_put_64 (output_bfd, relocation, sgot->contents + off);
- if (info->shared)
+ if (bfd_link_pic (info))
{
asection *s;
Elf_Internal_Rela outrel;
bfd_byte *loc;
- s = bfd_get_linker_section (dynobj, ".rela.got");
+ s = elf_hash_table (info)->srelgot;
BFD_ASSERT (s != NULL);
outrel.r_offset = (sgot->output_section->vma
/* Relocation is relative to the start of the global offset
table. */
- if (sgot == NULL)
- {
- sgot = bfd_get_linker_section (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
- }
+ sgot = elf_hash_table (info)->sgot;
+ BFD_ASSERT (sgot != NULL);
/* Note that sgot->output_offset is not involved in this
calculation. We always want the start of .got. If we
case R_SH_GOTPC_HI16:
/* Use global offset table as symbol value. */
- if (sgot == NULL)
- {
- sgot = bfd_get_linker_section (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
- }
+ sgot = elf_hash_table (info)->sgot;
+ BFD_ASSERT (sgot != NULL);
relocation = sgot->output_section->vma;
goto final_link_relocate;
}
- if (splt == NULL)
- {
- splt = bfd_get_linker_section (dynobj, ".plt");
- BFD_ASSERT (splt != NULL);
- }
+ splt = elf_hash_table (info)->splt;
+ BFD_ASSERT (splt != NULL);
relocation = (splt->output_section->vma
+ splt->output_offset
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;
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
}
break;
}
/* Copy object attributes. */
_bfd_elf_copy_private_bfd_data (ibfd, obfd);
-
+
return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
}
}
static bfd_boolean
-sh_elf64_merge_private_data (bfd *ibfd, bfd *obfd)
+sh_elf64_merge_private_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
flagword old_flags, new_flags;
- if (! _bfd_generic_verify_endian_match (ibfd, obfd))
+ if (! _bfd_generic_verify_endian_match (ibfd, info))
return FALSE;
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
if (bfd_get_arch_size (ibfd) == 32
&& bfd_get_arch_size (obfd) == 64)
+ /* xgettext:c-format */
msg = _("%s: compiled as 32-bit object and %s is 64-bit");
else if (bfd_get_arch_size (ibfd) == 64
&& bfd_get_arch_size (obfd) == 32)
+ /* xgettext:c-format */
msg = _("%s: compiled as 64-bit object and %s is 32-bit");
else
+ /* xgettext:c-format */
msg = _("%s: object size does not match that of target %s");
- (*_bfd_error_handler) (msg, bfd_get_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler (msg, bfd_get_filename (ibfd),
+ bfd_get_filename (obfd));
bfd_set_error (bfd_error_wrong_format);
return FALSE;
}
here as things change. */
else if ((new_flags & EF_SH_MACH_MASK) != EF_SH5)
{
- (*_bfd_error_handler)
+ _bfd_error_handler
("%s: does not use the SH64 64-bit ABI as previous modules do",
bfd_get_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
asection *srelgot;
asection *sreloc;
- sgot = NULL;
- srelgot = NULL;
sreloc = NULL;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
case R_SH_GOT10BY8:
/* This symbol requires a global offset table entry. */
- if (sgot == NULL)
- {
- sgot = bfd_get_linker_section (dynobj, ".got");
- 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))
- return FALSE;
- }
- }
+ sgot = elf_hash_table (info)->sgot;
+ srelgot = elf_hash_table (info)->srelgot;
+ BFD_ASSERT (sgot != NULL && srelgot != NULL);
if (h != NULL)
{
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_SH_RELATIVE reloc so that the dynamic
if (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
- || ! info->shared
+ || ! bfd_link_pic (info)
|| info->symbolic
|| h->dynindx == -1
|| h->got.offset != (bfd_vma) -1)
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
+ if (bfd_link_pic (info)
&& (sec->flags & SEC_ALLOC) != 0
&& (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL
|| (h != NULL
right, and tweak the name when it's output. Otherwise, we make
an indirect symbol of it. */
flagword flags
- = info->relocatable || info->emitrelocations
+ = bfd_link_relocatable (info) || info->emitrelocations
? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT;
char *dl_name
free (dl_name);
if (h->type != STT_DATALABEL
- || ((info->relocatable || info->emitrelocations)
+ || ((bfd_link_relocatable (info) || info->emitrelocations)
&& h->root.type != bfd_link_hash_undefined)
- || (! info->relocatable && !info->emitrelocations
+ || (! bfd_link_relocatable (info) && !info->emitrelocations
&& h->root.type != bfd_link_hash_indirect))
{
/* Make sure we don't get confused on invalid input. */
- (*_bfd_error_handler)
+ _bfd_error_handler
(_("%s: encountered datalabel symbol in input"),
bfd_get_filename (abfd));
bfd_set_error (bfd_error_bad_value);
{
char *name = (char *) cname;
- if (info->relocatable || info->emitrelocations)
+ if (bfd_link_relocatable (info) || info->emitrelocations)
{
if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL)
name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0;
h->type = STT_OBJECT;
elf_hash_table (info)->hplt = h;
- if (info->shared
+ if (bfd_link_pic (info)
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
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)
{
return FALSE;
}
- s = bfd_get_linker_section (dynobj, ".plt");
+ s = elf_hash_table (info)->splt;
BFD_ASSERT (s != NULL);
/* If this is the first .plt entry, make room for the special
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;
/* 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_linker_section (dynobj, ".got.plt");
+ s = elf_hash_table (info)->sgotplt;
BFD_ASSERT (s != NULL);
s->size += 8;
/* We also need to make an entry in the .rela.plt section. */
- s = bfd_get_linker_section (dynobj, ".rela.plt");
+ s = elf_hash_table (info)->srelplt;
BFD_ASSERT (s != NULL);
s->size += sizeof (Elf64_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
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);
not actually use these entries. Reset the size of .rela.got,
which will cause it to get stripped from the output file
below. */
- s = bfd_get_linker_section (dynobj, ".rela.got");
+ s = elf_hash_table (info)->srelgot;
if (s != NULL)
s->size = 0;
}
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)
+ if (bfd_link_pic (info) && info->symbolic)
sh64_elf64_link_hash_traverse (elf_hash_table (info),
sh64_elf64_discard_copies, NULL);
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->executable)
+ if (bfd_link_executable (info))
{
if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0))
return FALSE;
BFD_ASSERT (h->dynindx != -1);
- splt = bfd_get_linker_section (dynobj, ".plt");
- sgot = bfd_get_linker_section (dynobj, ".got.plt");
- srel = bfd_get_linker_section (dynobj, ".rela.plt");
+ splt = elf_hash_table (info)->splt;
+ sgot = elf_hash_table (info)->sgotplt;
+ srel = elf_hash_table (info)->srelplt;
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
/* Get the index in the procedure linkage table which
The first three are reserved. */
got_offset = (plt_index + 3) * 8;
- if (info->shared)
+ if (bfd_link_pic (info))
got_offset -= GOT_BIAS;
/* Fill in the entry in the procedure linkage table. */
- if (! info->shared)
+ if (! bfd_link_pic (info))
{
if (elf_sh64_plt_entry == NULL)
{
+ elf_sh64_plt_symbol_offset (info)));
}
- if (info->shared)
+ if (bfd_link_pic (info))
got_offset += GOT_BIAS;
movi_shori_putval (output_bfd,
/* This symbol has an entry in the global offset table. Set it
up. */
- sgot = bfd_get_linker_section (dynobj, ".got");
- srel = bfd_get_linker_section (dynobj, ".rela.got");
+ sgot = elf_hash_table (info)->sgot;
+ srel = elf_hash_table (info)->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)
{
dynobj = elf_hash_table (info)->dynobj;
- sgot = bfd_get_linker_section (dynobj, ".got.plt");
+ sgot = elf_hash_table (info)->sgotplt;
BFD_ASSERT (sgot != NULL);
sdyn = bfd_get_linker_section (dynobj, ".dynamic");
break;
case DT_PLTGOT:
- name = ".got";
+ s = elf_hash_table (info)->sgotplt;
goto get_vma;
case DT_JMPREL:
- name = ".rela.plt";
+ s = elf_hash_table (info)->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_elf64_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 = elf_hash_table (info)->srelplt;
dyn.d_un.d_val = s->size;
bfd_elf64_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_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
- break;
}
}
/* Fill in the first entry in the procedure linkage table. */
- splt = bfd_get_linker_section (dynobj, ".plt");
+ splt = elf_hash_table (info)->splt;
if (splt && splt->size > 0)
{
- if (info->shared)
+ if (bfd_link_pic (info))
{
if (elf_sh64_pic_plt_entry == NULL)
{
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 24
+#define elf_backend_dtrel_excludes_plt 1
#include "elf64-target.h"