/* TILE-Gx-specific support for ELF.
- Copyright 2011 Free Software Foundation, Inc.
+ Copyright (C) 2011-2014 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/tilegx.h"
TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_GOT, 0),
TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_GOT, 0),
- /* These relocs are currently not defined. */
- EMPTY_HOWTO (66),
- EMPTY_HOWTO (67),
- EMPTY_HOWTO (68),
- EMPTY_HOWTO (69),
- EMPTY_HOWTO (70),
- EMPTY_HOWTO (71),
+
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW0_PLT_PCREL, 0),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW0_PLT_PCREL, 0),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW1_PLT_PCREL, 16),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW1_PLT_PCREL, 16),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW2_PLT_PCREL, 32),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW2_PLT_PCREL, 32),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_GOT, 0),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_GOT, 0),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_GOT, 16),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_GOT, 16),
- /* These relocs are currently not defined. */
- EMPTY_HOWTO (76),
- EMPTY_HOWTO (77),
+
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW3_PLT_PCREL, 48),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW3_PLT_PCREL, 48),
TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_GD, 0),
TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_GD, 0),
TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW0_TLS_IE, 0),
TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW0_TLS_IE, 0),
- EMPTY_HOWTO (94),
- EMPTY_HOWTO (95),
- EMPTY_HOWTO (96),
- EMPTY_HOWTO (97),
- EMPTY_HOWTO (98),
- EMPTY_HOWTO (99),
+
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL, 0),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL, 0),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL, 16),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL, 16),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL, 32),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL, 32),
#define TILEGX_IMM16_HOWTO_LAST_TLS_IE(name, rshift) \
HOWTO (name, rshift, 1, 16, FALSE, 0, \
SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PCREL)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_PLT_PCREL)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PLT_PCREL)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_GD)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_GD)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_LE)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_GD)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_IE)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_IE)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_IE)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_IE)
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
create_Imm16_X0,
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
- NULL,
- NULL,
create_Imm16_X0,
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
- NULL,
- NULL,
create_Imm16_X0,
create_Imm16_X1,
- NULL,
- NULL,
- NULL,
- NULL,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
NULL,
NULL,
create_Imm16_X0,
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
};
static void
};
/* Reuse an existing info 10 bundle. */
-static const bfd_byte const *tilegx64_plt_tail_entry =
+static const bfd_byte *const tilegx64_plt_tail_entry =
&tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
static const bfd_byte
};
/* Reuse an existing info 10 bundle. */
-static const bfd_byte const *tilegx32_plt_tail_entry =
+static const bfd_byte *const tilegx32_plt_tail_entry =
&tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
static int
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;
- s = bfd_make_section_with_flags (abfd,
- (bed->rela_plts_and_copies_p
- ? ".rela.got" : ".rel.got"),
- (bed->dynamic_sec_flags
- | SEC_READONLY));
+ s = bfd_make_section_anyway_with_flags (abfd,
+ (bed->rela_plts_and_copies_p
+ ? ".rela.got" : ".rel.got"),
+ (bed->dynamic_sec_flags
+ | SEC_READONLY));
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
return FALSE;
htab->srelgot = s;
- s = s_got = bfd_make_section_with_flags (abfd, ".got", flags);
+ s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
if (s == NULL
|| !bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
return FALSE;
if (bed->want_got_plt)
{
- s = bfd_make_section_with_flags (abfd, ".got.plt", flags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
if (s == NULL
|| !bfd_set_section_alignment (abfd, s,
bed->s->log_file_align))
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 = tilegx_elf_tls_transition (info, r_type, h == NULL,
/* Fall through */
case R_TILEGX_JUMPOFF_X1_PLT:
+ case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
/* This symbol requires a procedure linkage table entry. We
actually build the entry in adjust_dynamic_symbol,
because this might be a case of linking PIC code without
if (h != NULL)
{
switch (TILEGX_ELF_R_TYPE (rel->r_info))
- {
- case R_TILEGX_GNU_VTINHERIT:
- case R_TILEGX_GNU_VTENTRY:
- break;
- }
+ {
+ case R_TILEGX_GNU_VTINHERIT:
+ case R_TILEGX_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 (TILEGX_ELF_R_TYPE (rel->r_info))
+ {
+ case R_TILEGX_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);
/* Fall through. */
case R_TILEGX_JUMPOFF_X1_PLT:
+ case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
if (h != NULL)
{
if (h->plt.refcount > 0)
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 += TILEGX_ELF_RELA_BYTES (htab);
h->needs_copy = 1;
/* Allocate room for the header and tail. */
if (s->size == 0)
{
- s->size = PLT_HEADER_SIZE + PLT_TAIL_SIZE;
+ s->size = PLT_ENTRY_SIZE;
}
- h->plt.offset = s->size - PLT_TAIL_SIZE;
+ h->plt.offset = s->size - PLT_ENTRY_SIZE + PLT_HEADER_SIZE;
/* If this symbol is not defined in a regular file, and we are
not generating a shared library, then set the symbol to this
/* 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 = strlen (htab->dynamic_interpreter) + 1;
s->contents = (unsigned char *) htab->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;
/* Mask to extract the bits corresponding to an instruction in a
specific pipe of a bundle, minus the destination operand and the
first source operand. */
-static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
+static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00
};
}
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;
int dest_begin = is_pipe0 ? 0 : 31;
int src_begin;
const bfd_byte *insn;
- const bfd_byte *mask;
+ const bfd_byte *mask = NULL;
if (is_tls_le)
{
local_got_offsets[r_symndx] |= 1;
}
}
- relocation = htab->elf.sgot->output_offset + off - got_base;
+ relocation = off - got_base;
break;
case R_TILEGX_JUMPOFF_X1_PLT:
+ case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
/* Relocation is to the entry for this symbol in the
procedure linkage table. */
BFD_ASSERT (h != NULL);
if (off >= (bfd_vma) -2)
abort ();
- relocation = htab->elf.sgot->output_offset + off - got_base;
+ relocation = off - got_base;
unresolved_reloc = FALSE;
howto = tilegx_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 *dynobj;
asection *sdyn;
struct tilegx_elf_link_hash_table *htab;
+ size_t pad_size;
htab = tilegx_elf_hash_table (info);
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 = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
tilegx64_plt0_entry : tilegx32_plt0_entry,
PLT_HEADER_SIZE);
- memcpy (splt->contents + splt->size - PLT_TAIL_SIZE,
+ memcpy (splt->contents + splt->size
+ - PLT_ENTRY_SIZE + PLT_HEADER_SIZE,
ABI_64_P (output_bfd) ?
tilegx64_plt_tail_entry : tilegx32_plt_tail_entry,
PLT_TAIL_SIZE);
+ /* Add padding so that the plt section is a multiple of its
+ entry size. */
+ pad_size = PLT_ENTRY_SIZE - PLT_HEADER_SIZE - PLT_TAIL_SIZE;
+ memset (splt->contents + splt->size - pad_size, 0, pad_size);
}
elf_section_data (splt->output_section)->this_hdr.sh_entsize
}
enum elf_reloc_type_class
-tilegx_reloc_type_class (const Elf_Internal_Rela *rela)
+tilegx_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *rela)
{
switch ((int) TILEGX_ELF_R_TYPE (rela->r_info))
{
projects / platform / upstream / binutils.git / blobdiff