/* IBM S/390-specific support for 32-bit ELF
- Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
+ 2011, 2012 Free Software Foundation, Inc.
Contributed by Carl B. Pedersen and Martin Schwidefsky.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
static bfd_boolean elf_s390_create_dynamic_sections
PARAMS((bfd *, struct bfd_link_info *));
static void elf_s390_copy_indirect_symbol
- PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *,
+ PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *));
static bfd_boolean elf_s390_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
-static asection *elf_s390_gc_mark_hook
- PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
-static bfd_boolean elf_s390_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
struct elf_s390_link_hash_entry;
static void elf_s390_adjust_gotplt
PARAMS ((struct elf_s390_link_hash_entry *));
PARAMS ((const Elf_Internal_Rela *));
static bfd_boolean elf_s390_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
-static bfd_boolean elf_s390_mkobject
- PARAMS ((bfd *));
static bfd_boolean elf_s390_object_p
PARAMS ((bfd *));
static bfd_boolean elf_s390_grok_prstatus
return 0;
}
+static reloc_howto_type *
+elf_s390_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0; i < sizeof (elf_howto_table) / sizeof (elf_howto_table[0]); i++)
+ if (elf_howto_table[i].name != NULL
+ && strcasecmp (elf_howto_table[i].name, r_name) == 0)
+ return &elf_howto_table[i];
+
+ if (strcasecmp (elf32_s390_vtinherit_howto.name, r_name) == 0)
+ return &elf32_s390_vtinherit_howto;
+ if (strcasecmp (elf32_s390_vtentry_howto.name, r_name) == 0)
+ return &elf32_s390_vtentry_howto;
+
+ return NULL;
+}
+
/* We need to use ELF32_R_TYPE so we have our own copy of this function,
and elf32-s390.c has its own copy. */
arelent *cache_ptr;
Elf_Internal_Rela *dst;
{
- switch (ELF32_R_TYPE(dst->r_info))
+ unsigned int r_type = ELF32_R_TYPE(dst->r_info);
+ switch (r_type)
{
case R_390_GNU_VTINHERIT:
cache_ptr->howto = &elf32_s390_vtinherit_howto;
break;
default:
- BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_390_max);
- cache_ptr->howto = &elf_howto_table[ELF32_R_TYPE(dst->r_info)];
+ if (r_type >= sizeof (elf_howto_table) / sizeof (elf_howto_table[0]))
+ {
+ (*_bfd_error_handler) (_("%B: invalid relocation type %d"),
+ abfd, (int) r_type);
+ r_type = R_390_NONE;
+ }
+ cache_ptr->howto = &elf_howto_table[r_type];
}
}
if (output_bfd != NULL)
return bfd_reloc_continue;
- if (reloc_entry->address > input_section->_cooked_size)
+ if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
return bfd_reloc_outofrange;
relocation = (symbol->value
Word 1 is a pointer to a structure describing the object
Word 2 is used to point to the loader entry address.
- The code for position independand PLT entries looks like this:
+ The code for position independent PLT entries looks like this:
r12 holds addr of the current GOT at entry to the PLT
#define elf_s390_hash_entry(ent) \
((struct elf_s390_link_hash_entry *)(ent))
+/* NOTE: Keep this structure in sync with
+ the one declared in elf64-s390.c. */
struct elf_s390_obj_tdata
{
struct elf_obj_tdata root;
- /* tls_type for each local got entry. */
+ /* TLS type for each local got entry. */
char *local_got_tls_type;
};
#define elf_s390_local_got_tls_type(abfd) \
(elf_s390_tdata (abfd)->local_got_tls_type)
+#define is_s390_elf(bfd) \
+ (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
+ && elf_tdata (bfd) != NULL \
+ && elf_object_id (bfd) == S390_ELF_DATA)
+
static bfd_boolean
-elf_s390_mkobject (abfd)
- bfd *abfd;
+elf_s390_mkobject (bfd *abfd)
{
- bfd_size_type amt = sizeof (struct elf_s390_obj_tdata);
- abfd->tdata.any = bfd_zalloc (abfd, amt);
- if (abfd->tdata.any == NULL)
- return FALSE;
- return TRUE;
+ return bfd_elf_allocate_object (abfd, sizeof (struct elf_s390_obj_tdata),
+ S390_ELF_DATA);
}
static bfd_boolean
elf_s390_object_p (abfd)
bfd *abfd;
{
- /* Allocate our special target data. */
- struct elf_s390_obj_tdata *new_tdata;
- bfd_size_type amt = sizeof (struct elf_s390_obj_tdata);
- new_tdata = bfd_zalloc (abfd, amt);
- if (new_tdata == NULL)
- return FALSE;
- new_tdata->root = *abfd->tdata.elf_obj_data;
- abfd->tdata.any = new_tdata;
/* Set the right machine number for an s390 elf32 file. */
return bfd_default_set_arch_mach (abfd, bfd_arch_s390, bfd_mach_s390_31);
}
bfd_vma offset;
} tls_ldm_got;
- /* Small local sym to section mapping cache. */
- struct sym_sec_cache sym_sec;
+ /* Small local sym cache. */
+ struct sym_cache sym_cache;
};
/* Get the s390 ELF linker hash table from a link_info structure. */
#define elf_s390_hash_table(p) \
- ((struct elf_s390_link_hash_table *) ((p)->hash))
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == S390_ELF_DATA ? ((struct elf_s390_link_hash_table *) ((p)->hash)) : NULL)
/* Create an entry in an s390 ELF linker hash table. */
if (ret == NULL)
return NULL;
- if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc))
+ if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
+ sizeof (struct elf_s390_link_hash_entry),
+ S390_ELF_DATA))
{
free (ret);
return NULL;
ret->sdynbss = NULL;
ret->srelbss = NULL;
ret->tls_ldm_got.refcount = 0;
- ret->sym_sec.abfd = NULL;
+ ret->sym_cache.abfd = NULL;
return &ret->elf.root;
}
htab = elf_s390_hash_table (info);
htab->sgot = bfd_get_section_by_name (dynobj, ".got");
htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
- if (!htab->sgot || !htab->sgotplt)
+ htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (!htab->sgot || !htab->sgotplt || !htab->srelgot)
abort ();
- htab->srelgot = bfd_make_section (dynobj, ".rela.got");
- if (htab->srelgot == NULL
- || ! bfd_set_section_flags (dynobj, htab->srelgot,
- (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY | SEC_LINKER_CREATED
- | SEC_READONLY))
- || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
- return FALSE;
return TRUE;
}
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
-elf_s390_copy_indirect_symbol (bed, dir, ind)
- const struct elf_backend_data *bed;
+elf_s390_copy_indirect_symbol (info, dir, ind)
+ struct bfd_link_info *info;
struct elf_link_hash_entry *dir, *ind;
{
struct elf_s390_link_hash_entry *edir, *eind;
struct elf_s390_dyn_relocs **pp;
struct elf_s390_dyn_relocs *p;
- if (ind->root.type == bfd_link_hash_indirect)
- abort ();
-
- /* Add reloc counts against the weak sym to the strong sym
+ /* Add reloc counts against the indirect sym to the direct sym
list. Merge any entries against the same section. */
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
{
if (ELIMINATE_COPY_RELOCS
&& ind->root.type != bfd_link_hash_indirect
- && (dir->elf_link_hash_flags & ELF_LINK_HASH_DYNAMIC_ADJUSTED) != 0)
- /* If called to transfer flags for a weakdef during processing
- of elf_adjust_dynamic_symbol, don't copy ELF_LINK_NON_GOT_REF.
- We clear it ourselves for ELIMINATE_COPY_RELOCS. */
- dir->elf_link_hash_flags |=
- (ind->elf_link_hash_flags & (ELF_LINK_HASH_REF_DYNAMIC
- | ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_REF_REGULAR_NONWEAK));
+ && dir->dynamic_adjusted)
+ {
+ /* 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. */
+ dir->ref_dynamic |= ind->ref_dynamic;
+ dir->ref_regular |= ind->ref_regular;
+ dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
+ dir->needs_plt |= ind->needs_plt;
+ }
else
- _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
+ _bfd_elf_link_hash_copy_indirect (info, dir, ind);
}
static int
if (info->relocatable)
return TRUE;
+ BFD_ASSERT (is_s390_elf (abfd));
+
htab = elf_s390_hash_table (info);
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ symtab_hdr = &elf_symtab_hdr (abfd);
sym_hashes = elf_sym_hashes (abfd);
local_got_refcounts = elf_local_got_refcounts (abfd);
if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
{
- (*_bfd_error_handler) (_("%s: bad symbol index: %d"),
- bfd_archive_filename (abfd),
- r_symndx);
+ (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
+ abfd, r_symndx);
return FALSE;
}
if (r_symndx < symtab_hdr->sh_info)
h = NULL;
else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_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;
+ }
/* Create got section and local_got_refcounts array if they
are needed. */
creating a procedure linkage table entry. */
if (h != NULL)
{
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
h->plt.refcount += 1;
}
break;
if (h != NULL)
{
((struct elf_s390_link_hash_entry *) h)->gotplt_refcount++;
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
h->plt.refcount += 1;
}
else
if (old_tls_type == GOT_NORMAL || tls_type == GOT_NORMAL)
{
(*_bfd_error_handler)
- (_("%s: `%s' accessed both as normal and thread local symbol"),
- bfd_archive_filename (abfd), h->root.root.string);
+ (_("%B: `%s' accessed both as normal and thread local symbol"),
+ abfd, h->root.root.string);
return FALSE;
}
if (old_tls_type > tls_type)
sections have not yet been mapped to output sections.
Tentatively set the flag for now, and correct in
adjust_dynamic_symbol. */
- h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 1;
/* We may need a .plt entry if the function this reloc
refers to is in a shared lib. */
&& ELF32_R_TYPE (rel->r_info) != R_390_PC32DBL
&& ELF32_R_TYPE (rel->r_info) != R_390_PC32)
|| (h != NULL
- && (! info->symbolic
+ && (! SYMBOLIC_BIND (info, h)
|| h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ || !h->def_regular))))
|| (ELIMINATE_COPY_RELOCS
&& !info->shared
&& (sec->flags & SEC_ALLOC) != 0
&& h != NULL
&& (h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)))
+ || !h->def_regular)))
{
struct elf_s390_dyn_relocs *p;
struct elf_s390_dyn_relocs **head;
this reloc. */
if (sreloc == NULL)
{
- const char *name;
- bfd *dynobj;
-
- name = (bfd_elf_string_from_elf_section
- (abfd,
- elf_elfheader (abfd)->e_shstrndx,
- elf_section_data (sec)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
-
- if (strncmp (name, ".rela", 5) != 0
- || strcmp (bfd_get_section_name (abfd, sec),
- name + 5) != 0)
- {
- (*_bfd_error_handler)
- (_("%s: bad relocation section name `%s\'"),
- bfd_archive_filename (abfd), name);
- }
-
if (htab->elf.dynobj == NULL)
htab->elf.dynobj = abfd;
- dynobj = htab->elf.dynobj;
- sreloc = bfd_get_section_by_name (dynobj, name);
+ sreloc = _bfd_elf_make_dynamic_reloc_section
+ (sec, htab->elf.dynobj, 2, abfd, /*rela?*/ TRUE);
+
if (sreloc == NULL)
- {
- flagword flags;
-
- sreloc = bfd_make_section (dynobj, name);
- flags = (SEC_HAS_CONTENTS | SEC_READONLY
- | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- if ((sec->flags & SEC_ALLOC) != 0)
- flags |= SEC_ALLOC | SEC_LOAD;
- if (sreloc == NULL
- || ! bfd_set_section_flags (dynobj, sreloc, flags)
- || ! bfd_set_section_alignment (dynobj, sreloc, 2))
- return FALSE;
- }
- elf_section_data (sec)->sreloc = sreloc;
+ return FALSE;
}
/* If this is a global symbol, we count the number of
We really need local syms available to do this
easily. Oh well. */
asection *s;
+ void *vpp;
+ Elf_Internal_Sym *isym;
- s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
- sec, r_symndx);
- if (s == NULL)
+ isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ abfd, r_symndx);
+ if (isym == NULL)
return FALSE;
- head = ((struct elf_s390_dyn_relocs **)
- &elf_section_data (s)->local_dynrel);
+ s = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ if (s == NULL)
+ s = sec;
+
+ vpp = &elf_section_data (s)->local_dynrel;
+ head = (struct elf_s390_dyn_relocs **) vpp;
}
p = *head;
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
case R_390_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
return FALSE;
break;
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
case R_390_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ BFD_ASSERT (h != NULL);
+ if (h != NULL
+ && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
return FALSE;
break;
relocation. */
static asection *
-elf_s390_gc_mark_hook (sec, info, rel, h, sym)
- asection *sec;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela *rel;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
+elf_s390_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rel,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
{
if (h != NULL)
- {
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_390_GNU_VTINHERIT:
- case R_390_GNU_VTENTRY:
- break;
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_390_GNU_VTINHERIT:
+ case R_390_GNU_VTENTRY:
+ return NULL;
+ }
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
- default:
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- }
- else
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
-
- return NULL;
}
/* Update the got entry reference counts for the section being removed. */
static bfd_boolean
-elf_s390_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+elf_s390_gc_sweep_hook (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
{
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
bfd_signed_vma *local_got_refcounts;
const Elf_Internal_Rela *rel, *relend;
+ if (info->relocatable)
+ return TRUE;
+
elf_section_data (sec)->local_dynrel = NULL;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ symtab_hdr = &elf_symtab_hdr (abfd);
sym_hashes = elf_sym_hashes (abfd);
local_got_refcounts = elf_local_got_refcounts (abfd);
struct elf_s390_dyn_relocs *p;
h = sym_hashes[r_symndx - symtab_hdr->sh_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;
eh = (struct elf_s390_link_hash_entry *) h;
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
{
struct elf_s390_link_hash_table *htab;
asection *s;
- unsigned int power_of_two;
/* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later
(although we could actually do it here). */
if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ || h->needs_plt)
{
if (h->plt.refcount <= 0
- || (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
- && h->root.type != bfd_link_hash_undefweak
- && h->root.type != bfd_link_hash_undefined))
+ || SYMBOL_CALLS_LOCAL (info, h)
+ || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ && h->root.type != bfd_link_hash_undefweak))
{
/* This case can occur if we saw a PLT32 reloc in an input
file, but the symbol was never referred to by a dynamic
such a case, we don't actually need to build a procedure
linkage table, and we can just do a PC32 reloc instead. */
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
}
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->weakdef != NULL)
+ if (h->u.weakdef != NULL)
{
- BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
- || h->weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->weakdef->root.u.def.section;
- h->root.u.def.value = h->weakdef->root.u.def.value;
+ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+ || h->u.weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->u.weakdef->root.u.def.section;
+ h->root.u.def.value = h->u.weakdef->root.u.def.value;
if (ELIMINATE_COPY_RELOCS || info->nocopyreloc)
- h->elf_link_hash_flags
- = ((h->elf_link_hash_flags & ~ELF_LINK_NON_GOT_REF)
- | (h->weakdef->elf_link_hash_flags & ELF_LINK_NON_GOT_REF));
+ h->non_got_ref = h->u.weakdef->non_got_ref;
return TRUE;
}
/* If there are no references to this symbol that do not use the
GOT, we don't need to generate a copy reloc. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
+ if (!h->non_got_ref)
return TRUE;
/* If -z nocopyreloc was given, we won't generate them either. */
if (info->nocopyreloc)
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 0;
return TRUE;
}
we'll be keeping the dynamic relocs and avoiding the copy reloc. */
if (p == NULL)
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 0;
return TRUE;
}
}
/* We must generate a R_390_COPY reloc to tell the dynamic linker to
copy the initial value out of the dynamic object and into the
runtime process image. */
- 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->_raw_size += sizeof (Elf32_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ htab->srelbss->size += sizeof (Elf32_External_Rela);
+ h->needs_copy = 1;
}
- /* We need to figure out the alignment required for this symbol. I
- have no idea how ELF linkers handle this. */
- power_of_two = bfd_log2 (h->size);
- if (power_of_two > 3)
- power_of_two = 3;
-
- /* Apply the required alignment. */
s = htab->sdynbss;
- s->_raw_size = BFD_ALIGN (s->_raw_size, (bfd_size_type) (1 << power_of_two));
- if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
- {
- if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
- return FALSE;
- }
-
- /* Define the symbol as being at this point in the section. */
- h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
- /* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
-
- return TRUE;
+ return _bfd_elf_adjust_dynamic_copy (h, s);
}
-/* This is the condition under which elf_s390_finish_dynamic_symbol
- will be called from elflink.h. If elflink.h doesn't call our
- finish_dynamic_symbol routine, we'll need to do something about
- initializing any .plt and .got entries in elf_s390_relocate_section. */
-#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, SHARED, H) \
- ((DYN) \
- && ((SHARED) \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
- && ((H)->dynindx != -1 \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
-
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
- if (h->root.type == bfd_link_hash_warning)
- /* When warning symbols are created, they **replace** the "real"
- entry in the hash table, thus we never get to see the real
- symbol in a hash traversal. So look at it now. */
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
info = (struct bfd_link_info *) inf;
htab = elf_s390_hash_table (info);
if (htab->elf.dynamic_sections_created
- && h->plt.refcount > 0
- && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak))
+ && h->plt.refcount > 0)
{
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
/* If this is the first .plt entry, make room for the special
first entry. */
- if (s->_raw_size == 0)
- s->_raw_size += PLT_FIRST_ENTRY_SIZE;
+ if (s->size == 0)
+ s->size += PLT_FIRST_ENTRY_SIZE;
- h->plt.offset = s->_raw_size;
+ h->plt.offset = s->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
pointers compare as equal between the normal executable and
the shared library. */
if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && !h->def_regular)
{
h->root.u.def.section = s;
h->root.u.def.value = h->plt.offset;
}
/* Make room for this entry. */
- s->_raw_size += PLT_ENTRY_SIZE;
+ s->size += PLT_ENTRY_SIZE;
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
- htab->sgotplt->_raw_size += GOT_ENTRY_SIZE;
+ htab->sgotplt->size += GOT_ENTRY_SIZE;
/* We also need to make an entry in the .rela.plt section. */
- htab->srelplt->_raw_size += sizeof (Elf32_External_Rela);
+ htab->srelplt->size += sizeof (Elf32_External_Rela);
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
}
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
}
to be stored somewhere. The immediate value in the instruction
is not bit enough so the value is stored in the got. */
{
- h->got.offset = htab->sgot->_raw_size;
- htab->sgot->_raw_size += GOT_ENTRY_SIZE;
+ h->got.offset = htab->sgot->size;
+ htab->sgot->size += GOT_ENTRY_SIZE;
}
else
h->got.offset = (bfd_vma) -1;
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
s = htab->sgot;
- h->got.offset = s->_raw_size;
- s->_raw_size += GOT_ENTRY_SIZE;
+ h->got.offset = s->size;
+ s->size += GOT_ENTRY_SIZE;
/* R_390_TLS_GD32 needs 2 consecutive GOT slots. */
if (tls_type == GOT_TLS_GD)
- s->_raw_size += GOT_ENTRY_SIZE;
+ s->size += GOT_ENTRY_SIZE;
dyn = htab->elf.dynamic_sections_created;
/* R_390_TLS_IE32 needs one dynamic relocation,
R_390_TLS_GD32 needs one if local symbol and two if global. */
if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
|| tls_type >= GOT_TLS_IE)
- htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
else if (tls_type == GOT_TLS_GD)
- htab->srelgot->_raw_size += 2 * sizeof (Elf32_External_Rela);
+ htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
&& (info->shared
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
- htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
}
else
h->got.offset = (bfd_vma) -1;
if (info->shared)
{
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
- || info->symbolic))
+ if (SYMBOL_CALLS_LOCAL (info, h))
{
struct elf_s390_dyn_relocs **pp;
/* Also discard relocs on undefined weak syms with non-default
visibility. */
- if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ if (eh->dyn_relocs != NULL
&& h->root.type == bfd_link_hash_undefweak)
- eh->dyn_relocs = NULL;
+ {
+ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
+ eh->dyn_relocs = NULL;
+
+ /* Make sure undefined weak symbols are output as a dynamic
+ symbol in PIEs. */
+ else if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+ }
}
else if (ELIMINATE_COPY_RELOCS)
{
symbols which turn out to need copy relocs or are not
dynamic. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
|| (htab->elf.dynamic_sections_created
&& (h->root.type == bfd_link_hash_undefweak
|| h->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 (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
{
asection *sreloc = elf_section_data (p->sec)->sreloc;
- sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela);
+ sreloc->size += p->count * sizeof (Elf32_External_Rela);
}
return TRUE;
struct elf_s390_link_hash_entry *eh;
struct elf_s390_dyn_relocs *p;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
eh = (struct elf_s390_link_hash_entry *) h;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
s = bfd_get_section_by_name (dynobj, ".interp");
if (s == NULL)
abort ();
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
Elf_Internal_Shdr *symtab_hdr;
asection *srela;
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
+ if (! is_s390_elf (ibfd))
continue;
for (s = ibfd->sections; s != NULL; s = s->next)
{
struct elf_s390_dyn_relocs *p;
- for (p = *((struct elf_s390_dyn_relocs **)
- &elf_section_data (s)->local_dynrel);
- p != NULL;
- p = p->next)
+ for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
{
if (!bfd_is_abs_section (p->sec)
&& bfd_is_abs_section (p->sec->output_section))
else if (p->count != 0)
{
srela = elf_section_data (p->sec)->sreloc;
- srela->_raw_size += p->count * sizeof (Elf32_External_Rela);
+ srela->size += p->count * sizeof (Elf32_External_Rela);
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
info->flags |= DF_TEXTREL;
}
if (!local_got)
continue;
- symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+ symtab_hdr = &elf_symtab_hdr (ibfd);
locsymcount = symtab_hdr->sh_info;
end_local_got = local_got + locsymcount;
local_tls_type = elf_s390_local_got_tls_type (ibfd);
{
if (*local_got > 0)
{
- *local_got = s->_raw_size;
- s->_raw_size += GOT_ENTRY_SIZE;
+ *local_got = s->size;
+ s->size += GOT_ENTRY_SIZE;
if (*local_tls_type == GOT_TLS_GD)
- s->_raw_size += GOT_ENTRY_SIZE;
+ s->size += GOT_ENTRY_SIZE;
if (info->shared)
- srela->_raw_size += sizeof (Elf32_External_Rela);
+ srela->size += sizeof (Elf32_External_Rela);
}
else
*local_got = (bfd_vma) -1;
{
/* Allocate 2 got entries and 1 dynamic reloc for R_390_TLS_LDM32
relocs. */
- htab->tls_ldm_got.offset = htab->sgot->_raw_size;
- htab->sgot->_raw_size += 2 * GOT_ENTRY_SIZE;
- htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ htab->tls_ldm_got.offset = htab->sgot->size;
+ htab->sgot->size += 2 * GOT_ENTRY_SIZE;
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
}
else
htab->tls_ldm_got.offset = -1;
if (s == htab->splt
|| s == htab->sgot
- || s == htab->sgotplt)
+ || s == htab->sgotplt
+ || s == htab->sdynbss)
{
/* Strip this section if we don't need it; see the
comment below. */
}
- else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
+ else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
{
- if (s->_raw_size != 0)
+ if (s->size != 0)
relocs = TRUE;
/* We use the reloc_count field as a counter if we need
continue;
}
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is to handle .rela.bss and
function which decides whether anything needs to go
into these sections. */
- _bfd_strip_section_from_output (info, s);
+ s->flags |= SEC_EXCLUDE;
continue;
}
+ if ((s->flags & SEC_HAS_CONTENTS) == 0)
+ continue;
+
/* Allocate memory for the section contents. We use bfd_zalloc
here in case unused entries are not reclaimed before the
section's contents are written out. This should not happen,
but this way if it does, we get a R_390_NONE reloc instead
of garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
if (s->contents == NULL)
return FALSE;
}
the .dynamic section. The DT_DEBUG entry is filled in by the
dynamic linker and used by the debugger. */
#define add_dynamic_entry(TAG, VAL) \
- bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
if (info->executable)
{
return FALSE;
}
- if (htab->splt->_raw_size != 0)
+ if (htab->splt->size != 0)
{
if (!add_dynamic_entry (DT_PLTGOT, 0)
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
dtpoff_base (info)
struct bfd_link_info *info;
{
- /* If tls_segment is NULL, we should have signalled an error already. */
- if (elf_hash_table (info)->tls_segment == NULL)
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (elf_hash_table (info)->tls_sec == NULL)
return 0;
- return elf_hash_table (info)->tls_segment->start;
+ return elf_hash_table (info)->tls_sec->vma;
}
/* Return the relocation value for @tpoff relocation
struct bfd_link_info *info;
bfd_vma address;
{
- struct elf_link_tls_segment *tls_segment
- = elf_hash_table (info)->tls_segment;
+ struct elf_link_hash_table *htab = elf_hash_table (info);
- /* If tls_segment is NULL, we should have signalled an error already. */
- if (tls_segment == NULL)
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (htab->tls_sec == NULL)
return 0;
- return (align_power (tls_segment->size, tls_segment->align)
- + tls_segment->start - address);
+ return htab->tls_size + htab->tls_sec->vma - address;
}
/* Complain if TLS instruction relocation is against an invalid
howto = elf_howto_table + ELF32_R_TYPE (rel->r_info);
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): invalid instruction for TLS relocation %s"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
+ (_("%B(%A+0x%lx): invalid instruction for TLS relocation %s"),
+ input_bfd,
+ input_section,
(long) rel->r_offset,
howto->name);
+ bfd_set_error (bfd_error_bad_value);
}
/* Relocate a 390 ELF section. */
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
- if (info->relocatable)
- return TRUE;
+ BFD_ASSERT (is_s390_elf (input_bfd));
htab = elf_s390_hash_table (info);
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ symtab_hdr = &elf_symtab_hdr (input_bfd);
sym_hashes = elf_sym_hashes (input_bfd);
local_got_offsets = elf_local_got_offsets (input_bfd);
howto = elf_howto_table + r_type;
r_symndx = ELF32_R_SYM (rel->r_info);
- /* This is a final link. */
h = NULL;
sym = NULL;
sec = NULL;
{
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
}
else
{
bfd_boolean warned ATTRIBUTE_UNUSED;
- RELOC_FOR_GLOBAL_SYMBOL (h, sym_hashes, r_symndx,
- symtab_hdr, relocation, sec,
- unresolved_reloc, info,
- warned);
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
}
+ if (sec != NULL && elf_discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, relend, howto, contents);
+
+ if (info->relocatable)
+ continue;
+
switch (r_type)
{
case R_390_GOTPLT12:
dyn = htab->elf.dynamic_sections_created;
if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|| (info->shared
- && (info->symbolic
- || h->dynindx == -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ && SYMBOL_REFERENCES_LOCAL (info, h))
|| (ELF_ST_VISIBILITY (h->other)
&& h->root.type == bfd_link_hash_undefweak))
{
case R_390_PC16DBL:
case R_390_PC32DBL:
case R_390_PC32:
- /* r_symndx will be zero only for relocs against symbols
- from removed linkonce sections, or sections discarded by
- a linker script. */
- if (r_symndx == 0
- || (input_section->flags & SEC_ALLOC) == 0)
+ if ((input_section->flags & SEC_ALLOC) == 0)
break;
if ((info->shared
&& r_type != R_390_PC16DBL
&& r_type != R_390_PC32DBL
&& r_type != R_390_PC32)
- || (h != NULL
- && h->dynindx != -1
- && (! info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ || !SYMBOL_CALLS_LOCAL (info, h)))
|| (ELIMINATE_COPY_RELOCS
&& !info->shared
&& h != NULL
&& h->dynindx != -1
- && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (((h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && !h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
|| h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined)))
{
|| r_type == R_390_PC32DBL
|| r_type == R_390_PC32
|| !info->shared
- || !info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ || !SYMBOLIC_BIND (info, h)
+ || !h->def_regular))
{
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
outrel.r_addend = rel->r_addend;
else
{
/* This symbol is local, or marked to become local. */
- relocate = TRUE;
- outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
outrel.r_addend = relocation + rel->r_addend;
+ if (r_type == R_390_32)
+ {
+ relocate = TRUE;
+ outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
+ }
+ else
+ {
+ long sindx;
+
+ if (bfd_is_abs_section (sec))
+ sindx = 0;
+ else if (sec == NULL || sec->owner == NULL)
+ {
+ bfd_set_error(bfd_error_bad_value);
+ return FALSE;
+ }
+ else
+ {
+ asection *osec;
+
+ osec = sec->output_section;
+ sindx = elf_section_data (osec)->dynindx;
+ if (sindx == 0)
+ {
+ osec = htab->elf.text_index_section;
+ sindx = elf_section_data (osec)->dynindx;
+ }
+ BFD_ASSERT (sindx != 0);
+
+ /* We are turning this relocation into one
+ against a section symbol, so subtract out
+ the output section's address but not the
+ offset of the input section in the output
+ section. */
+ outrel.r_addend -= osec->vma;
+ }
+ outrel.r_info = ELF32_R_INFO (sindx, r_type);
+ }
}
sreloc = elf_section_data (input_section)->sreloc;
continue;
case R_390_TLS_LDO32:
- if (info->shared || (input_section->flags & SEC_CODE) == 0)
+ if (info->shared || (input_section->flags & SEC_DEBUGGING))
relocation -= dtpoff_base (info);
else
/* When converting LDO to LE, we must negate. */
unsigned int insn;
insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
- if ((insn & 0xff000fff) != 0x4d000000)
+ if ((insn & 0xff000fff) != 0x4d000000 &&
+ (insn & 0xffff0000) != 0xc0e50000 &&
+ (insn & 0xff000000) != 0x0d000000)
invalid_tls_insn (input_bfd, input_section, rel);
if (!info->shared && (h == NULL || h->dynindx == -1))
- /* GD->LE transition.
- bas %r14,0(%rx,%r13) -> bc 0,0 */
- insn = 0x47000000;
+ {
+ if ((insn & 0xff000000) == 0x0d000000)
+ {
+ /* GD->LE transition.
+ basr rx, ry -> nopr r7 */
+ insn = 0x07070000 | (insn & 0xffff);
+ }
+ else if ((insn & 0xff000000) == 0x4d000000)
+ {
+ /* GD->LE transition.
+ bas %r14,0(%rx,%r13) -> bc 0,0 */
+ insn = 0x47000000;
+ }
+ else
+ {
+ /* GD->LE transition.
+ brasl %r14,_tls_get_offset@plt -> brcl 0,. */
+ insn = 0xc0040000;
+ bfd_put_16 (output_bfd, 0x0000,
+ contents + rel->r_offset + 4);
+ }
+ }
else
- /* GD->IE transition.
- bas %r14,0(%rx,%r13) -> l %r2,0(%r2,%r12) */
- insn = 0x5822c000;
+ {
+ /* If basr is used in the pic case to invoke
+ _tls_get_offset, something went wrong before. */
+ if ((insn & 0xff000000) == 0x0d000000)
+ invalid_tls_insn (input_bfd, input_section, rel);
+
+ if ((insn & 0xff000000) == 0x4d000000)
+ {
+ /* GD->IE transition.
+ bas %r14,0(%rx,%r13) -> l %r2,0(%r2,%r12) */
+ insn = 0x5822c000;
+ }
+ else
+ {
+ /* GD->IE transition.
+ brasl %r14,__tls_get_addr@plt ->
+ l %r2,0(%r2,%r12) ; bcr 0,0 */
+ insn = 0x5822c000;
+ bfd_put_16 (output_bfd, 0x0700,
+ contents + rel->r_offset + 4);
+ }
+ }
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
}
else if (r_type == R_390_TLS_LDCALL)
unsigned int insn;
insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
- if ((insn & 0xff000fff) != 0x4d000000)
+ if ((insn & 0xff000fff) != 0x4d000000 &&
+ (insn & 0xffff0000) != 0xc0e50000 &&
+ (insn & 0xff000000) != 0x0d000000)
invalid_tls_insn (input_bfd, input_section, rel);
- /* LD->LE transition.
- bas %r14,0(%rx,%r13) -> bc 0,0 */
- insn = 0x47000000;
+
+ if ((insn & 0xff000000) == 0x0d000000)
+ {
+ /* LD->LE transition.
+ basr rx, ry -> nopr r7 */
+ insn = 0x07070000 | (insn & 0xffff);
+ }
+ else if ((insn & 0xff000000) == 0x4d000000)
+ {
+ /* LD->LE transition.
+ bas %r14,0(%rx,%r13) -> bc 0,0 */
+ insn = 0x47000000;
+ }
+ else
+ {
+ /* LD->LE transition.
+ brasl %r14,__tls_get_offset@plt -> brcl 0,. */
+ insn = 0xc0040000;
+ bfd_put_16 (output_bfd, 0x0000,
+ contents + rel->r_offset + 4);
+ }
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
}
}
not process them. */
if (unresolved_reloc
&& !((input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
+ && h->def_dynamic)
+ && _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset) != (bfd_vma) -1)
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
+ (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
+ input_bfd,
+ input_section,
(long) rel->r_offset,
+ howto->name,
h->root.root.string);
if (r_type == R_390_20
{
if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section,
+ rel->r_offset)))
return FALSE;
}
else
{
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): reloc against `%s': error %d"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
+ (_("%B(%A+0x%lx): reloc against `%s': error %d"),
+ input_bfd, input_section,
(long) rel->r_offset, name, (int) r);
return FALSE;
}
loc = htab->srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
the .plt section. Leave the value alone. This is a clue
The entry in the global offset table will already have been
initialized in the relocate_section function. */
if (info->shared
- && (info->symbolic
- || h->dynindx == -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ && SYMBOL_REFERENCES_LOCAL (info, h))
{
+ if (!h->def_regular)
+ return FALSE;
BFD_ASSERT((h->got.offset & 1) != 0);
rela.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
rela.r_addend = (h->root.u.def.value
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+ if (h->needs_copy)
{
Elf_Internal_Rela rela;
bfd_byte *loc;
/* Mark some specially defined symbols as absolute. */
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
- || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
+ || h == htab->elf.hgot
+ || h == htab->elf.hplt)
sym->st_shndx = SHN_ABS;
return TRUE;
abort ();
dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
case DT_PLTRELSZ:
s = htab->srelplt->output_section;
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
+ dyn.d_un.d_val = s->size;
break;
}
}
/* Fill in the special first entry in the procedure linkage table. */
- if (htab->splt && htab->splt->_raw_size > 0)
+ if (htab->splt && htab->splt->size > 0)
{
memset (htab->splt->contents, 0, PLT_FIRST_ENTRY_SIZE);
if (info->shared)
if (htab->sgotplt)
{
/* Fill in the first three entries in the global offset table. */
- if (htab->sgotplt->_raw_size > 0)
+ if (htab->sgotplt->size > 0)
{
bfd_put_32 (output_bfd,
(sdyn == NULL ? (bfd_vma) 0
Elf_Internal_Note * note;
{
int offset;
- unsigned int raw_size;
+ unsigned int size;
switch (note->descsz)
{
elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
/* pr_pid */
- elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
+ elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 24);
/* pr_reg */
offset = 72;
- raw_size = 144;
+ size = 144;
break;
}
/* Make a ".reg/999" section. */
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
- raw_size, note->descpos + offset);
+ size, note->descpos + offset);
}
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+ or (bfd_vma) -1 if it should not be included. */
+
+static bfd_vma
+elf_s390_plt_sym_val (bfd_vma i, const asection *plt,
+ const arelent *rel ATTRIBUTE_UNUSED)
+{
+ return plt->vma + PLT_FIRST_ENTRY_SIZE + i * PLT_ENTRY_SIZE;
+}
+
+static bfd_boolean
+elf32_s390_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+{
+ elf_elfheader (obfd)->e_flags |= elf_elfheader (ibfd)->e_flags;
+ return TRUE;
+}
+
+
#define TARGET_BIG_SYM bfd_elf32_s390_vec
#define TARGET_BIG_NAME "elf32-s390"
#define ELF_ARCH bfd_arch_s390
+#define ELF_TARGET_ID S390_ELF_DATA
#define ELF_MACHINE_CODE EM_S390
#define ELF_MACHINE_ALT1 EM_S390_OLD
#define ELF_MAXPAGESIZE 0x1000
#define bfd_elf32_bfd_is_local_label_name elf_s390_is_local_label_name
#define bfd_elf32_bfd_link_hash_table_create elf_s390_link_hash_table_create
#define bfd_elf32_bfd_reloc_type_lookup elf_s390_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup elf_s390_reloc_name_lookup
+
+#define bfd_elf32_bfd_merge_private_bfd_data elf32_s390_merge_private_bfd_data
#define elf_backend_adjust_dynamic_symbol elf_s390_adjust_dynamic_symbol
#define elf_backend_check_relocs elf_s390_check_relocs
#define elf_backend_reloc_type_class elf_s390_reloc_type_class
#define elf_backend_relocate_section elf_s390_relocate_section
#define elf_backend_size_dynamic_sections elf_s390_size_dynamic_sections
+#define elf_backend_init_index_section _bfd_elf_init_1_index_section
#define elf_backend_reloc_type_class elf_s390_reloc_type_class
#define elf_backend_grok_prstatus elf_s390_grok_prstatus
+#define elf_backend_plt_sym_val elf_s390_plt_sym_val
#define bfd_elf32_mkobject elf_s390_mkobject
#define elf_backend_object_p elf_s390_object_p
projects / binutils.git / blobdiff