/* TILE-Gx-specific support for ELF.
- Copyright 2011, 2012 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/tilegx.h"
/* This reloc does nothing. */
HOWTO (R_TILEGX_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_TILEGX_NONE", /* name */
FALSE, /* partial_inplace */
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)
{
unsigned int i;
- for (i = ARRAY_SIZE (tilegx_reloc_map); --i;)
+ for (i = ARRAY_SIZE (tilegx_reloc_map); i--;)
{
const reloc_map * entry;
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,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ 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,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
create_Imm16_X0,
};
/* 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)
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 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 && 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_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))
{