/* TILEPro-specific support for 32-bit ELF.
- Copyright 2011 Free Software Foundation, Inc.
+ Copyright (C) 2011-2015 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/tilepro.h"
/* This reloc does nothing. */
HOWTO (R_TILEPRO_NONE, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_TILEPRO_NONE", /* name */
FALSE, /* partial_inplace */
&& elf_tdata (bfd) != NULL \
&& elf_object_id (bfd) == TILEPRO_ELF_DATA)
+/* Allocate TILEPro ELF private object data. */
+
+static bfd_boolean
+tilepro_elf_mkobject (bfd *abfd)
+{
+ return bfd_elf_allocate_object (abfd,
+ sizeof (struct _bfd_tilepro_elf_obj_tdata),
+ TILEPRO_ELF_DATA);
+}
+
#include "elf/common.h"
#include "elf/internal.h"
{
unsigned int i;
- for (i = ARRAY_SIZE (tilepro_reloc_map); --i;)
+ for (i = ARRAY_SIZE (tilepro_reloc_map); i--;)
{
const reloc_map * entry;
return FALSE;
/* pr_cursig */
- elf_tdata (abfd)->core_signal =
+ elf_tdata (abfd)->core->signal =
bfd_get_16 (abfd, note->descdata + TILEPRO_PRSTATUS_OFFSET_PR_CURSIG);
/* pr_pid */
- elf_tdata (abfd)->core_pid =
+ elf_tdata (abfd)->core->pid =
bfd_get_32 (abfd, note->descdata + TILEPRO_PRSTATUS_OFFSET_PR_PID);
/* pr_reg */
if (note->descsz != TILEPRO_PRPSINFO_SIZEOF)
return FALSE;
- elf_tdata (abfd)->core_program
+ elf_tdata (abfd)->core->program
= _bfd_elfcore_strndup (abfd,
note->descdata + TILEPRO_PRPSINFO_OFFSET_PR_FNAME,
16);
- elf_tdata (abfd)->core_command
+ elf_tdata (abfd)->core->command
= _bfd_elfcore_strndup (abfd,
note->descdata + TILEPRO_PRPSINFO_OFFSET_PR_PSARGS,
ELF_PR_PSARGS_SIZE);
onto the end of the args in some (at least one anyway)
implementations, so strip it off if it exists. */
{
- char *command = elf_tdata (abfd)->core_command;
+ char *command = elf_tdata (abfd)->core->command;
int n = strlen (command);
if (0 < n && command[n - 1] == ' ')
tilepro_plt_entry_build (asection *splt, asection *sgotplt, bfd_vma offset,
bfd_vma *r_offset)
{
- int plt_index = (offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
+ int plt_index = (offset - PLT_ENTRY_SIZE) / PLT_ENTRY_SIZE;
int got_offset = plt_index * GOT_ENTRY_SIZE + GOTPLT_HEADER_SIZE;
tilepro_bundle_bits *pc;
struct elf_link_hash_table *htab = elf_hash_table (info);
/* This function may be called more than once. */
- s = bfd_get_section_by_name (abfd, ".got");
- if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0)
+ s = bfd_get_linker_section (abfd, ".got");
+ if (s != NULL)
return TRUE;
flags = bed->dynamic_sec_flags;
if (!_bfd_elf_create_dynamic_sections (dynobj, info))
return FALSE;
- htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
+ htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
if (!info->shared)
- htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
+ htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
|| (!info->shared && !htab->srelbss))
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;
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref = 1;
}
r_type = tilepro_elf_tls_transition (info, r_type, h == NULL);
if (h != NULL)
{
switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_TILEPRO_GNU_VTINHERIT:
- case R_TILEPRO_GNU_VTENTRY:
- break;
- }
+ {
+ case R_TILEPRO_GNU_VTINHERIT:
+ case R_TILEPRO_GNU_VTENTRY:
+ return NULL;
+ }
+ }
+
+ /* FIXME: The test here, in check_relocs and in relocate_section
+ dealing with TLS optimization, ought to be !info->executable. */
+ if (info->shared)
+ {
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_TILEPRO_TLS_GD_CALL:
+ /* This reloc implicitly references __tls_get_addr. We know
+ another reloc will reference the same symbol as the one
+ on this reloc, so the real symbol and section will be
+ gc marked when processing the other reloc. That lets
+ us handle __tls_get_addr here. */
+ h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
+ FALSE, FALSE, TRUE);
+ BFD_ASSERT (h != NULL);
+ h->mark = 1;
+ if (h->u.weakdef != NULL)
+ h->u.weakdef->mark = 1;
+ sym = NULL;
+ }
}
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
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
to copy the initial value out of the dynamic object and into the
runtime process image. We need to remember the offset into the
.rel.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
htab->srelbss->size += TILEPRO_ELF_RELA_BYTES;
h->needs_copy = 1;
}
- return _bfd_elf_adjust_dynamic_copy (h, htab->sdynbss);
+ return _bfd_elf_adjust_dynamic_copy (info, h, htab->sdynbss);
}
/* Allocate space in .plt, .got and associated reloc sections for
/* Allocate room for the header. */
if (s->size == 0)
{
- s->size = PLT_HEADER_SIZE;
+ s->size = PLT_ENTRY_SIZE;
}
h->plt.offset = s->size;
/* Set the contents of the .interp section to the interpreter. */
if (info->executable)
{
- s = bfd_get_section_by_name (dynobj, ".interp");
+ s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
s->size = sizeof ELF32_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF32_DYNAMIC_INTERPRETER;
/* Set up .got offsets for local syms, and space for local dynamic
relocs. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
{
bfd_signed_vma *local_got;
bfd_signed_vma *end_local_got;
}
else
{
- bfd_boolean warned;
+ bfd_boolean warned ATTRIBUTE_UNUSED;
+ bfd_boolean ignored ATTRIBUTE_UNUSED;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
+ unresolved_reloc, warned, ignored);
if (warned)
{
/* To avoid generating warning messages about truncated
}
}
- if (sec != NULL && elf_discarded_section (sec))
+ if (sec != NULL && discarded_section (sec))
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
- rel, relend, howto, contents);
+ rel, 1, relend, howto, 0, contents);
if (info->relocatable)
continue;
local_got_offsets[r_symndx] |= 1;
}
}
- relocation = htab->elf.sgot->output_offset + off - got_base;
+ relocation = off - got_base;
break;
case R_TILEPRO_JOFFLONG_X1_PLT:
if (off >= (bfd_vma) -2)
abort ();
- relocation = htab->elf.sgot->output_offset + off - got_base;
+ relocation = off - got_base;
unresolved_reloc = FALSE;
howto = tilepro_elf_howto_table + r_type;
break;
/* This symbols needs a copy reloc. Set it up. */
BFD_ASSERT (h->dynindx != -1);
- s = bfd_get_section_by_name (h->root.u.def.section->owner,
- ".rela.bss");
+ s = htab->srelbss;
BFD_ASSERT (s != NULL);
rela.r_offset = (h->root.u.def.value
}
/* Mark some specially defined symbols as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ if (h == htab->elf.hdynamic
|| (h == htab->elf.hgot || h == htab->elf.hplt))
sym->st_shndx = SHN_ABS;
BFD_ASSERT (htab != NULL);
dynobj = htab->elf.dynobj;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
asection *splt;
bfd_boolean ret;
- splt = bfd_get_section_by_name (dynobj, ".plt");
+ splt = htab->elf.splt;
BFD_ASSERT (splt != NULL && sdyn != NULL);
ret = tilepro_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
/* Fill in the first entry in the procedure linkage table. */
if (splt->size > 0)
- memcpy (splt->contents, tilepro_plt0_entry, PLT_HEADER_SIZE);
+ {
+ memcpy (splt->contents, tilepro_plt0_entry, PLT_HEADER_SIZE);
+ memset (splt->contents + PLT_HEADER_SIZE, 0,
+ PLT_ENTRY_SIZE - PLT_HEADER_SIZE);
+ }
- elf_section_data (splt->output_section)->this_hdr.sh_entsize
- = PLT_ENTRY_SIZE;
+ if (elf_section_data (splt->output_section) != NULL)
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize
+ = PLT_ENTRY_SIZE;
}
if (htab->elf.sgotplt)
tilepro_elf_plt_sym_val (bfd_vma i, const asection *plt,
const arelent *rel ATTRIBUTE_UNUSED)
{
- return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
+ return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
}
static enum elf_reloc_type_class
-tilepro_reloc_type_class (const Elf_Internal_Rela *rela)
+tilepro_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *rela)
{
switch ((int) ELF32_R_TYPE (rela->r_info))
{
#define ELF_MAXPAGESIZE 0x10000
#define ELF_COMMONPAGESIZE 0x10000
-#define TARGET_LITTLE_SYM bfd_elf32_tilepro_vec
+#define TARGET_LITTLE_SYM tilepro_elf32_vec
#define TARGET_LITTLE_NAME "elf32-tilepro"
#define elf_backend_reloc_type_class tilepro_reloc_type_class
#define elf_backend_grok_psinfo tilepro_elf_grok_psinfo
#define elf_backend_additional_program_headers tilepro_additional_program_headers
+#define bfd_elf32_mkobject tilepro_elf_mkobject
+
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
#define elf_backend_can_gc_sections 1
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