/* BFD back-end for HP PA-RISC ELF files.
- Copyright (C) 1990-2016 Free Software Foundation, Inc.
+ Copyright (C) 1990-2017 Free Software Foundation, Inc.
Original code by
Center for Software Science
asection **input_list;
Elf_Internal_Sym **all_local_syms;
- /* Short-cuts to get to dynamic linker sections. */
- asection *sdynbss;
- asection *srelbss;
-
/* Used during a final link to store the base of the text and data
segments so that we can perform SEGREL relocations. */
bfd_vma text_segment_base;
if (! _bfd_elf_create_dynamic_sections (abfd, info))
return FALSE;
- htab->sdynbss = bfd_get_linker_section (abfd, ".dynbss");
- htab->srelbss = bfd_get_linker_section (abfd, ".rela.bss");
-
/* hppa-linux needs _GLOBAL_OFFSET_TABLE_ to be visible from the main
application, because __canonicalize_funcptr_for_compare needs it. */
eh = elf_hash_table (info)->hgot;
/* If called to transfer flags for a weakdef during processing
of elf_adjust_dynamic_symbol, don't copy non_got_ref.
We clear it ourselves for ELIMINATE_COPY_RELOCS. */
- eh_dir->ref_dynamic |= eh_ind->ref_dynamic;
+ if (eh_dir->versioned != versioned_hidden)
+ eh_dir->ref_dynamic |= eh_ind->ref_dynamic;
eh_dir->ref_regular |= eh_ind->ref_regular;
eh_dir->ref_regular_nonweak |= eh_ind->ref_regular_nonweak;
eh_dir->needs_plt |= eh_ind->needs_plt;
}
else
{
- if (eh_ind->root.type == bfd_link_hash_indirect
- && eh_dir->got.refcount <= 0)
- {
- hh_dir->tls_type = hh_ind->tls_type;
- hh_ind->tls_type = GOT_UNKNOWN;
- }
+ if (eh_ind->root.type == bfd_link_hash_indirect)
+ {
+ hh_dir->plabel |= hh_ind->plabel;
+ hh_dir->tls_type |= hh_ind->tls_type;
+ hh_ind->tls_type = GOT_UNKNOWN;
+ }
_bfd_elf_link_hash_copy_indirect (info, eh_dir, eh_ind);
}
/* PR15323, ref flags aren't set for references in the same
object. */
- hh->eh.root.non_ir_ref = 1;
+ hh->eh.root.non_ir_ref_regular = 1;
}
r_type = ELF32_R_TYPE (rela->r_info);
struct elf_link_hash_entry *eh)
{
struct elf32_hppa_link_hash_table *htab;
- asection *sec;
+ asection *sec, *srel;
/* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later. */
/* We must generate a COPY reloc to tell the dynamic linker to
copy the initial value out of the dynamic object and into the
runtime process image. */
+ if ((eh->root.u.def.section->flags & SEC_READONLY) != 0)
+ {
+ sec = htab->etab.sdynrelro;
+ srel = htab->etab.sreldynrelro;
+ }
+ else
+ {
+ sec = htab->etab.sdynbss;
+ srel = htab->etab.srelbss;
+ }
if ((eh->root.u.def.section->flags & SEC_ALLOC) != 0 && eh->size != 0)
{
- htab->srelbss->size += sizeof (Elf32_External_Rela);
+ srel->size += sizeof (Elf32_External_Rela);
eh->needs_copy = 1;
}
- sec = htab->sdynbss;
-
return _bfd_elf_adjust_dynamic_copy (info, eh, sec);
}
+/* Make an undefined weak symbol dynamic. */
+
+static bfd_boolean
+ensure_undef_weak_dynamic (struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh)
+{
+ if (eh->dynindx == -1
+ && !eh->forced_local
+ && eh->type != STT_PARISC_MILLI
+ && eh->root.type == bfd_link_hash_undefweak
+ && ELF_ST_VISIBILITY (eh->other) == STV_DEFAULT)
+ return bfd_elf_link_record_dynamic_symbol (info, eh);
+ return TRUE;
+}
+
/* Allocate space in the .plt for entries that won't have relocations.
ie. plabel entries. */
if (htab->etab.dynamic_sections_created
&& eh->plt.refcount > 0)
{
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (eh->dynindx == -1
- && !eh->forced_local
- && eh->type != STT_PARISC_MILLI)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, eh))
- return FALSE;
- }
+ if (!ensure_undef_weak_dynamic (info, eh))
+ return FALSE;
if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), eh))
{
sec = htab->etab.splt;
eh->plt.offset = sec->size;
sec->size += PLT_ENTRY_SIZE;
+ if (bfd_link_pic (info))
+ htab->etab.srelplt->size += sizeof (Elf32_External_Rela);
}
else
{
if (eh->got.refcount > 0)
{
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (eh->dynindx == -1
- && !eh->forced_local
- && eh->type != STT_PARISC_MILLI)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, eh))
- return FALSE;
- }
+ if (!ensure_undef_weak_dynamic (info, eh))
+ return FALSE;
sec = htab->etab.sgot;
eh->got.offset = sec->size;
if (ELF_ST_VISIBILITY (eh->other) != STV_DEFAULT)
hh->dyn_relocs = NULL;
- /* Make sure undefined weak symbols are output as a dynamic
- symbol in PIEs. */
- else if (eh->dynindx == -1
- && !eh->forced_local)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, eh))
- return FALSE;
- }
+ else if (!ensure_undef_weak_dynamic (info, eh))
+ return FALSE;
}
}
else
&& (eh->root.type == bfd_link_hash_undefweak
|| eh->root.type == bfd_link_hash_undefined))))
{
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (eh->dynindx == -1
- && !eh->forced_local
- && eh->type != STT_PARISC_MILLI)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, eh))
- return FALSE;
- }
+ if (!ensure_undef_weak_dynamic (info, eh))
+ return FALSE;
/* If that succeeded, we know we'll be keeping all the
relocs. */
}
}
else if (sec == htab->etab.sgot
- || sec == htab->sdynbss)
+ || sec == htab->etab.sdynbss
+ || sec == htab->etab.sdynrelro)
;
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, sec), ".rela"))
{
|| eh->root.type == bfd_link_hash_defweak)))
abort ();
- sec = htab->srelbss;
-
rela.r_offset = (eh->root.u.def.value
+ eh->root.u.def.section->output_offset
+ eh->root.u.def.section->output_section->vma);
rela.r_addend = 0;
rela.r_info = ELF32_R_INFO (eh->dynindx, R_PARISC_COPY);
+ if (eh->root.u.def.section == htab->etab.sdynrelro)
+ sec = htab->etab.sreldynrelro;
+ else
+ sec = htab->etab.srelbss;
loc = sec->contents + sec->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
#define elf_backend_plt_readonly 0
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 8
+#define elf_backend_want_dynrelro 1
#define elf_backend_rela_normal 1
#define elf_backend_dtrel_excludes_plt 1
+#define elf_backend_no_page_alias 1
#define TARGET_BIG_SYM hppa_elf32_vec
#define TARGET_BIG_NAME "elf32-hppa"
projects / binutils-gdb.git / blobdiff