/* NDS32-specific support for 32-bit ELF.
- Copyright (C) 2012-2019 Free Software Foundation, Inc.
+ Copyright (C) 2012-2020 Free Software Foundation, Inc.
Contributed by Andes Technology Corporation.
This file is part of BFD, the Binary File Descriptor library.
{
struct elf_link_hash_entry root;
- /* Track dynamic relocs copied for this symbol. */
- struct elf_dyn_relocs *dyn_relocs;
-
/* For checking relocation type. */
enum elf_nds32_tls_type tls_type;
struct elf_nds32_link_hash_entry *eh;
eh = (struct elf_nds32_link_hash_entry *) ret;
- eh->dyn_relocs = NULL;
eh->tls_type = GOT_UNKNOWN;
eh->offset_to_gp = 0;
}
{
struct elf_nds32_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct elf_nds32_link_hash_table);
+ size_t amt = sizeof (struct elf_nds32_link_hash_table);
ret = (struct elf_nds32_link_hash_table *) bfd_zmalloc (amt);
if (ret == NULL)
edir = (struct elf_nds32_link_hash_entry *) dir;
eind = (struct elf_nds32_link_hash_entry *) ind;
- if (eind->dyn_relocs != NULL)
- {
- if (edir->dyn_relocs != NULL)
- {
- struct elf_dyn_relocs **pp;
- struct elf_dyn_relocs *p;
-
- if (ind->root.type == bfd_link_hash_indirect)
- abort ();
-
- /* Add reloc counts against the weak sym to the strong sym
- list. Merge any entries against the same section. */
- for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
- {
- struct elf_dyn_relocs *q;
-
- for (q = edir->dyn_relocs; q != NULL; q = q->next)
- if (q->sec == p->sec)
- {
- q->pc_count += p->pc_count;
- q->count += p->count;
- *pp = p->next;
- break;
- }
- if (q == NULL)
- pp = &p->next;
- }
- *pp = edir->dyn_relocs;
- }
-
- edir->dyn_relocs = eind->dyn_relocs;
- eind->dyn_relocs = NULL;
- }
-
if (ind->root.type == bfd_link_hash_indirect)
{
if (dir->got.refcount <= 0)
_bfd_elf_link_hash_copy_indirect (info, dir, ind);
}
\f
-
-/* Find dynamic relocs for H that apply to read-only sections. */
-
-static asection *
-readonly_dynrelocs (struct elf_link_hash_entry *h)
-{
- struct elf_dyn_relocs *p;
-
- for (p = elf32_nds32_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
- {
- asection *s = p->sec->output_section;
-
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- return p->sec;
- }
- return NULL;
-}
-
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
/* If we don't find any dynamic relocs in read-only sections, then
we'll be keeping the dynamic relocs and avoiding the copy reloc. */
- if (!readonly_dynrelocs (h))
+ if (!_bfd_elf_readonly_dynrelocs (h))
{
h->non_got_ref = 0;
return TRUE;
struct bfd_link_info *info;
struct elf_link_hash_table *ehtab;
struct elf_nds32_link_hash_table *htab;
- struct elf_nds32_link_hash_entry *eh;
struct elf_dyn_relocs *p;
if (h->root.type == bfd_link_hash_indirect)
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
- eh = (struct elf_nds32_link_hash_entry *) h;
-
info = (struct bfd_link_info *) inf;
ehtab = elf_hash_table (info);
htab = nds32_elf_hash_table (info);
if (htab == NULL)
return FALSE;
- eh = (struct elf_nds32_link_hash_entry *) h;
-
if ((htab->root.dynamic_sections_created || h->type == STT_GNU_IFUNC)
&& h->plt.refcount > 0
&& !(bfd_link_pie (info) && h->def_regular))
else
h->got.offset = (bfd_vma)-1;
- if (eh->dyn_relocs == NULL)
+ if (h->dyn_relocs == NULL)
return TRUE;
/* In the shared -Bsymbolic case, discard space allocated for
{
struct elf_dyn_relocs **pp;
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
+ for (pp = &h->dyn_relocs; (p = *pp) != NULL;)
{
p->count -= p->pc_count;
p->pc_count = 0;
goto keep;
}
- eh->dyn_relocs = NULL;
+ h->dyn_relocs = NULL;
-keep:;
+ keep:;
}
/* Finally, allocate space. */
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ for (p = h->dyn_relocs; p != NULL; p = p->next)
{
asection *sreloc = elf_section_data (p->sec)->sreloc;
sreloc->size += p->count * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, rel, loc);
}
-/* Set DF_TEXTREL if we find any dynamic relocs that apply to
- read-only sections. */
-
-static bfd_boolean
-maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
-{
- asection *sec;
-
- if (h->root.type == bfd_link_hash_indirect)
- return TRUE;
-
- sec = readonly_dynrelocs (h);
- if (sec != NULL)
- {
- struct bfd_link_info *info = (struct bfd_link_info *) info_p;
-
- info->flags |= DF_TEXTREL;
- info->callbacks->minfo
- (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
- sec->owner, h->root.root.string, sec);
-
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
- return TRUE;
-}
-
/* Set the sizes of the dynamic sections. */
static bfd_boolean
/* If any dynamic relocs apply to a read-only section,
then we need a DT_TEXTREL entry. */
if ((info->flags & DF_TEXTREL) == 0)
- elf_link_hash_traverse (&htab->root, maybe_set_textrel,
+ elf_link_hash_traverse (&htab->root,
+ _bfd_elf_maybe_set_textrel,
(void *) info);
if ((info->flags & DF_TEXTREL) != 0)
if (bfd_is_const_section (input_sec))
source = input_sec->name;
else
- source = input_sec->owner->filename;
+ source = bfd_get_filename (input_sec->owner);
fprintf (sym_ld_script, "\t%s = 0x%08lx;\t /* %s */\n",
h->root.root.string,
if (!rz)
{
- printf ("%s: %s @ 0x%08x\n", __func__, ibfd->filename,
+ printf ("%s: %s @ 0x%08x\n", __func__, bfd_get_filename (ibfd),
(int) rel->r_offset);
BFD_ASSERT(0); /* Unsupported pattern. */
}
case R_NDS32_SDA15S0_RELA:
case R_NDS32_SDA15S0:
align = 0x0;
-handle_sda:
+ handle_sda:
BFD_ASSERT (sec != NULL);
/* If the symbol is in the abs section, the out_bfd will be null.
break;
}
-check_reloc:
+ check_reloc:
if (r != bfd_reloc_ok)
{
errmsg = _("internal error: unknown error");
/* Fall through. */
-common_error:
+ common_error:
(*info->callbacks->warning) (info, errmsg, name, input_bfd,
input_section, offset);
break;
goto get_vma;
case DT_JMPREL:
s = ehtab->srelplt->output_section;
-get_vma:
+ get_vma:
BFD_ASSERT (s != NULL);
dyn.d_un.d_ptr = s->vma;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
flagword out_fpu_config;
flagword in_fpu_config;
+ /* FIXME: What should be checked when linking shared libraries? */
+ if ((ibfd->flags & DYNAMIC) != 0)
+ return TRUE;
+
/* TODO: Revise to use object-attributes instead. */
if (!nds32_check_vec_size (ibfd))
return FALSE;
/* If this is a global symbol, we count the number of
relocations we need for this symbol. */
if (h != NULL)
- head = &((struct elf_nds32_link_hash_entry *) h)->dyn_relocs;
+ head = &h->dyn_relocs;
else
{
asection *s;
p = *head;
if (p == NULL || p->sec != sec)
{
- bfd_size_type amt = sizeof (*p);
+ size_t amt = sizeof (*p);
p = (struct elf_dyn_relocs *) bfd_alloc (dynobj, amt);
if (p == NULL)
return FALSE;
goto done;
}
-done:
+ done:
/* Bit-15 of insn16 should be set for a valid instruction. */
if ((insn16 & 0x8000) == 0)
return 0;
goto done;
}
-done:
+ done:
if (insn & 0x80000000)
return 0;
if (p < endp)
*p |= 0x80;
}
-done_adjust_diff:
+ done_adjust_diff:
if (sec == sect)
{
clean_nds32_elf_blank ();
}
-finish:
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
+ finish:
+ if (elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
+ if (elf_section_data (sec)->this_hdr.contents != contents)
free (contents);
- if (isymbuf != NULL && symtab_hdr->contents != (bfd_byte *) isymbuf)
+ if (symtab_hdr->contents != (bfd_byte *) isymbuf)
free (isymbuf);
return result;
-error_return:
+ error_return:
result = FALSE;
goto finish;
}
{NULL, 0, 0, 0, 0}
};
+static bfd_boolean
+nds32_elf_section_flags (const Elf_Internal_Shdr *hdr)
+{
+ const char *name = hdr->bfd_section->name;
+
+ if (strncmp (name, ".sbss", 5) == 0
+ || strncmp (name, ".sdata", 6) == 0)
+ hdr->bfd_section->flags |= SEC_SMALL_DATA;
+
+ return TRUE;
+}
+
static bfd_boolean
nds32_elf_output_arch_syms (bfd *output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info,
goto error_return;
}
-finish:
+ finish:
if (relax_blank_list)
{
nds32_elf_relax_delete_blanks (abfd, sec, relax_blank_list);
}
return result;
-error_return:
+ error_return:
result = FALSE;
goto finish;
}
free (reloc_vector);
return data;
-error_return:
+ error_return:
free (reloc_vector);
return NULL;
}
}
while (FALSE);
- if ((relocs != NULL) && (elf_section_data (asec)->relocs != relocs))
+ if (elf_section_data (asec)->relocs != relocs)
free (relocs);
if ((min_id != relax_group_ptr->min_id)
}
while (FALSE);
- if (relocs != NULL && elf_section_data (asec)->relocs != relocs)
+ if (elf_section_data (asec)->relocs != relocs)
free (relocs);
return result;
#endif
}
-finish:
+ finish:
if (incontents)
contents = NULL;
- if (internal_relocs != NULL
- && elf_section_data (insec)->relocs != internal_relocs)
+ if (elf_section_data (insec)->relocs != internal_relocs)
free (internal_relocs);
- if (contents != NULL
- && elf_section_data (insec)->this_hdr.contents != contents)
+ if (elf_section_data (insec)->this_hdr.contents != contents)
free (contents);
- if (local_syms != NULL && symtab_hdr->contents != (bfd_byte *) local_syms)
+ if (symtab_hdr->contents != (bfd_byte *) local_syms)
free (local_syms);
if (chain.next)
return result;
-error_return:
+ error_return:
result = FALSE;
goto finish;
}
#define elf_backend_object_p nds32_elf_object_p
#define elf_backend_final_write_processing nds32_elf_final_write_processing
#define elf_backend_special_sections nds32_elf_special_sections
+#define elf_backend_section_flags nds32_elf_section_flags
#define bfd_elf32_bfd_get_relocated_section_contents \
nds32_elf_get_relocated_section_contents
#define bfd_elf32_bfd_is_target_special_symbol nds32_elf_is_target_special_symbol
projects / deliverable / binutils-gdb.git / blobdiff