/* TILE-Gx-specific support for ELF.
- Copyright 2011, 2012 Free Software Foundation, Inc.
+ Copyright (C) 2011-2016 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
/* 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 */
{
unsigned int i;
- for (i = ARRAY_SIZE (tilegx_reloc_map); --i;)
+ for (i = ARRAY_SIZE (tilegx_reloc_map); i--;)
{
const reloc_map * entry;
};
/* 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
return FALSE;
htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
- if (!info->shared)
+ if (!bfd_link_pic (info))
htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
- || (!info->shared && !htab->srelbss))
+ || (!bfd_link_pic (info) && !htab->srelbss))
abort ();
return TRUE;
tilegx_elf_tls_transition (struct bfd_link_info *info, int r_type,
int is_local, bfd_boolean disable_le_transition)
{
- if (info->shared)
+ if (bfd_link_pic (info))
return r_type;
if (is_local && !disable_le_transition)
int num_relocs;
bfd_boolean has_tls_gd_or_ie = FALSE, has_tls_add = FALSE;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
htab = tilegx_elf_hash_table (info);
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,
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- if (info->shared)
+ if (bfd_link_pic (info))
goto r_tilegx_plt32;
break;
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- BFD_ASSERT (info->shared);
+ BFD_ASSERT (bfd_link_pic (info));
tls_type = GOT_TLS_GD;
goto have_got_reference;
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
tls_type = GOT_TLS_IE;
- if (info->shared)
+ if (bfd_link_pic (info))
info->flags |= DF_STATIC_TLS;
goto have_got_reference;
break;
case R_TILEGX_TLS_GD_CALL:
- if (info->shared)
+ if (bfd_link_pic (info))
{
/* These are basically R_TILEGX_JUMPOFF_X1_PLT relocs
against __tls_get_addr. */
h->non_got_ref = 1;
r_tilegx_plt32:
- if (h != NULL && !info->shared)
+ if (h != NULL && !bfd_link_pic (info))
{
/* We may need a .plt entry if the function this reloc
refers to is in a shared lib. */
may need to keep relocations for symbols satisfied by a
dynamic library if we manage to avoid copy relocs for the
symbol. */
- if ((info->shared
+ if ((bfd_link_pic (info)
&& (sec->flags & SEC_ALLOC) != 0
&& (! tilegx_elf_howto_table[r_type].pc_relative
|| (h != NULL
&& (! info->symbolic
|| h->root.type == bfd_link_hash_defweak
|| !h->def_regular))))
- || (!info->shared
+ || (!bfd_link_pic (info)
&& (sec->flags & SEC_ALLOC) != 0
&& h != NULL
&& (h->root.type == bfd_link_hash_defweak
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 !bfd_link_executable (info). */
+ if (bfd_link_pic (info))
+ {
+ 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);
bfd_signed_vma *local_got_refcounts;
const Elf_Internal_Rela *rel, *relend;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
BFD_ASSERT (is_tilegx_elf (abfd) || sec->reloc_count == 0);
case R_TILEGX_IMM16_X1_HW1_LAST:
case R_TILEGX_IMM16_X0_HW2_LAST:
case R_TILEGX_IMM16_X1_HW2_LAST:
- if (info->shared)
+ if (bfd_link_pic (info))
break;
/* Fall through. */
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, htab->sdynbss);
+ return _bfd_elf_adjust_dynamic_copy (info, h, htab->sdynbss);
}
/* Allocate space in .plt, .got and associated reloc sections for
return FALSE;
}
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
{
asection *s = htab->elf.splt;
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;
requiring no TLS entry. */
if (h->got.refcount > 0
&& !htab->disable_le_transition
- && !info->shared
+ && !bfd_link_pic (info)
&& h->dynindx == -1
&& tilegx_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
h->got.offset = (bfd_vma) -1;
TLS_GD needs two if local symbol and two if global. */
if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE)
htab->elf.srelgot->size += 2 * TILEGX_ELF_RELA_BYTES (htab);
- else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
+ else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h))
htab->elf.srelgot->size += TILEGX_ELF_RELA_BYTES (htab);
}
else
space for pc-relative relocs that have become local due to symbol
visibility changes. */
- if (info->shared)
+ if (bfd_link_pic (info))
{
if (SYMBOL_CALLS_LOCAL (info, h))
{
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);
/* 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;
s->size += TILEGX_ELF_WORD_BYTES (htab);
if (*local_tls_type == GOT_TLS_GD)
s->size += TILEGX_ELF_WORD_BYTES (htab);
- if (info->shared
+ if (bfd_link_pic (info)
|| *local_tls_type == GOT_TLS_GD
|| *local_tls_type == GOT_TLS_IE)
srel->size += TILEGX_ELF_RELA_BYTES (htab);
#define add_dynamic_entry(TAG, VAL) \
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
- if (info->executable)
+ if (bfd_link_executable (info))
{
if (!add_dynamic_entry (DT_DEBUG, 0))
return FALSE;
/* 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
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
if (h != NULL)
else if (h != NULL)
tls_type = tilegx_elf_hash_entry(h)->tls_type;
- is_tls_iele = (! info->shared || tls_type == GOT_TLS_IE);
+ is_tls_iele = (! bfd_link_pic (info) || tls_type == GOT_TLS_IE);
is_tls_le = is_tls_iele && (!input_section->sec_flg0
- && !info->shared
+ && !bfd_link_pic (info)
&& (h == NULL || h->dynindx == -1));
if (r_type == R_TILEGX_TLS_GD_CALL)
break;
case R_TILEGX_TLS_IE_LOAD:
if (!input_section->sec_flg0
- && !info->shared
+ && !bfd_link_pic (info)
&& (h == NULL || h->dynindx == -1))
{
/* IE -> LE */
BFD_ASSERT (off != (bfd_vma) -1);
dyn = elf_hash_table (info)->dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- || (info->shared
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ || (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h)))
{
/* This is actually a static link, or it is a
off &= ~1;
else
{
- if (info->shared)
+ if (bfd_link_pic (info))
{
asection *s;
Elf_Internal_Rela outrel;
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:
if ((input_section->flags & SEC_ALLOC) == 0)
break;
- if ((info->shared
+ if ((bfd_link_pic (info)
&& (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
&& (! howto->pc_relative
|| !SYMBOL_CALLS_LOCAL (info, h)))
- || (!info->shared
+ || (!bfd_link_pic (info)
&& h != NULL
&& h->dynindx != -1
&& !h->non_got_ref
else if (h != NULL &&
h->dynindx != -1
&& (! is_plt
- || !info->shared
+ || !bfd_link_pic (info)
|| !SYMBOLIC_BIND (info, h)
|| !h->def_regular))
{
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
- if (info->shared)
+ if (bfd_link_pic (info))
{
Elf_Internal_Rela outrel;
bfd_boolean skip;
else if (h != NULL)
{
tls_type = tilegx_elf_hash_entry(h)->tls_type;
- if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
+ if (!bfd_link_pic (info)
+ && h->dynindx == -1
+ && tls_type == GOT_TLS_IE)
r_type = (!input_section->sec_flg0
? tilegx_tls_translate_to_le (r_type)
: tilegx_tls_translate_to_ie (r_type));
bfd_boolean dyn;
dyn = htab->elf.dynamic_sections_created;
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- && (!info->shared
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ && (!bfd_link_pic (info)
|| !SYMBOL_REFERENCES_LOCAL (info, h)))
{
indx = h->dynindx;
/* The GOT entries have not been initialized yet. Do it
now, and emit any relocations. */
- if ((info->shared || indx != 0)
+ if ((bfd_link_pic (info) || indx != 0)
&& (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak))
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;
switch (r)
{
case bfd_reloc_overflow:
- r = info->callbacks->reloc_overflow
+ (*info->callbacks->reloc_overflow)
(info, (h ? &h->root : NULL), name, howto->name,
(bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- r = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, rel->r_offset,
- TRUE);
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
}
if (msg)
- r = info->callbacks->warning
- (info, msg, name, input_bfd, input_section, rel->r_offset);
-
- if (! r)
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
}
}
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)
{
}
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))
{
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