/* IBM S/390-specific support for 32-bit ELF
- Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
- 2011, 2012 Free Software Foundation, Inc.
+ Copyright (C) 2000-2017 Free Software Foundation, Inc.
Contributed by Carl B. Pedersen and Martin Schwidefsky.
This file is part of BFD, the Binary File Descriptor library.
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/s390.h"
+#include <stdarg.h>
static bfd_reloc_status_type
s390_tls_reloc (bfd *, arelent *, asymbol *, void *,
{
HOWTO (R_390_NONE, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 3, /* size (0 = byte, 1 = 2 byte, 2 = 4 byte) */
0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
s390_elf_ldisp_reloc, "R_390_TLS_GOTIE20", FALSE, 0,0x0fffff00, FALSE),
HOWTO(R_390_IRELATIVE, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
bfd_elf_generic_reloc, "R_390_IRELATIVE", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_PC12DBL, 1, 1, 12, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC12DBL", FALSE, 0,0x00000fff, TRUE),
+ HOWTO(R_390_PLT12DBL, 1, 1, 12, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT12DBL", FALSE, 0,0x00000fff, TRUE),
+ HOWTO(R_390_PC24DBL, 1, 2, 24, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC24DBL", FALSE, 0,0x00ffffff, TRUE),
+ HOWTO(R_390_PLT24DBL, 1, 2, 24, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT24DBL", FALSE, 0,0x00ffffff, TRUE),
};
/* GNU extension to record C++ vtable hierarchy. */
return &elf_howto_table[(int) R_390_GOT16];
case BFD_RELOC_16_PCREL:
return &elf_howto_table[(int) R_390_PC16];
+ case BFD_RELOC_390_PC12DBL:
+ return &elf_howto_table[(int) R_390_PC12DBL];
+ case BFD_RELOC_390_PLT12DBL:
+ return &elf_howto_table[(int) R_390_PLT12DBL];
case BFD_RELOC_390_PC16DBL:
return &elf_howto_table[(int) R_390_PC16DBL];
case BFD_RELOC_390_PLT16DBL:
return &elf_howto_table[(int) R_390_PLT16DBL];
+ case BFD_RELOC_390_PC24DBL:
+ return &elf_howto_table[(int) R_390_PC24DBL];
+ case BFD_RELOC_390_PLT24DBL:
+ return &elf_howto_table[(int) R_390_PLT24DBL];
case BFD_RELOC_390_PC32DBL:
return &elf_howto_table[(int) R_390_PC32DBL];
case BFD_RELOC_390_PLT32DBL:
default:
if (r_type >= sizeof (elf_howto_table) / sizeof (elf_howto_table[0]))
{
- (*_bfd_error_handler) (_("%B: invalid relocation type %d"),
- abfd, (int) r_type);
+ /* xgettext:c-format */
+ _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];
reloc_howto_type *howto = reloc_entry->howto;
bfd_vma relocation;
bfd_vma insn;
-
+
if (output_bfd != (bfd *) NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& (! howto->partial_inplace
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
-
+
if (output_bfd != NULL)
return bfd_reloc_continue;
-
+
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
return bfd_reloc_outofrange;
-
+
relocation = (symbol->value
+ symbol->section->output_section->vma
+ symbol->section->output_offset);
+ input_section->output_offset);
relocation -= reloc_entry->address;
}
-
+
insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
insn |= (relocation & 0xfff) << 16 | (relocation & 0xff000) >> 4;
bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
-
+
if ((bfd_signed_vma) relocation < - 0x80000
|| (bfd_signed_vma) relocation > 0x7ffff)
return bfd_reloc_overflow;
struct elf_link_hash_table elf;
/* Short-cuts to get to dynamic linker sections. */
- asection *sdynbss;
- asection *srelbss;
asection *irelifunc;
union
struct elf_s390_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf_s390_link_hash_table);
- ret = (struct elf_s390_link_hash_table *) bfd_malloc (amt);
+ ret = (struct elf_s390_link_hash_table *) bfd_zmalloc (amt);
if (ret == NULL)
return NULL;
return NULL;
}
- ret->elf.sgot = NULL;
- ret->elf.sgotplt = NULL;
- ret->elf.srelgot = NULL;
- ret->elf.splt = NULL;
- ret->elf.srelplt = NULL;
- ret->sdynbss = NULL;
- ret->srelbss = NULL;
- ret->tls_ldm_got.refcount = 0;
- ret->sym_cache.abfd = NULL;
-
return &ret->elf.root;
}
-/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
- shortcuts to them in our hash table. */
-
-static bfd_boolean
-create_got_section (bfd *dynobj, struct bfd_link_info *info)
-{
- struct elf_s390_link_hash_table *htab;
-
- if (! _bfd_elf_create_got_section (dynobj, info))
- return FALSE;
-
- htab = elf_s390_hash_table (info);
- htab->elf.sgot = bfd_get_linker_section (dynobj, ".got");
- htab->elf.sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
- htab->elf.srelgot = bfd_get_linker_section (dynobj, ".rela.got");
- if (!htab->elf.sgot || !htab->elf.sgotplt || !htab->elf.srelgot)
- abort ();
-
- return TRUE;
-}
-
-/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
- .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
- hash table. */
-
-static bfd_boolean
-elf_s390_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
-{
- struct elf_s390_link_hash_table *htab;
-
- htab = elf_s390_hash_table (info);
- if (!htab->elf.sgot && !create_got_section (dynobj, info))
- return FALSE;
-
- if (!_bfd_elf_create_dynamic_sections (dynobj, info))
- return FALSE;
-
- htab->elf.splt = bfd_get_linker_section (dynobj, ".plt");
- htab->elf.srelplt = bfd_get_linker_section (dynobj, ".rela.plt");
- htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
- if (!info->shared)
- htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
-
- if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
- || (!info->shared && !htab->srelbss))
- abort ();
-
- return TRUE;
-}
-
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
/* 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;
+ if (dir->versioned != versioned_hidden)
+ 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;
int r_type,
int is_local)
{
- if (info->shared)
+ if (bfd_link_pic (info))
return r_type;
switch (r_type)
int tls_type, old_tls_type;
Elf_Internal_Sym *isym;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
BFD_ASSERT (is_s390_elf (abfd));
for (rel = relocs; rel < rel_end; rel++)
{
unsigned int r_type;
- unsigned long r_symndx;
+ unsigned int r_symndx;
struct elf_link_hash_entry *h;
r_symndx = ELF32_R_SYM (rel->r_info);
if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
{
- (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
- abfd, r_symndx);
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: bad symbol index: %d"),
+ abfd, r_symndx);
return FALSE;
}
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_regular = 1;
}
/* Create got section and local_got_refcounts array if they
{
if (htab->elf.dynobj == NULL)
htab->elf.dynobj = abfd;
- if (!create_got_section (htab->elf.dynobj, info))
+ if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
return FALSE;
}
}
}
switch (r_type)
{
- case R_390_GOTOFF16:
- case R_390_GOTOFF32:
case R_390_GOTPC:
case R_390_GOTPCDBL:
/* These relocs do not need a GOT slot. They just load the
the GOT. Since the GOT pointer has been set up above we
are done. */
break;
+ case R_390_GOTOFF16:
+ case R_390_GOTOFF32:
+ if (h == NULL || !s390_is_ifunc_symbol_p (h) || !h->def_regular)
+ break;
+ /* Fall through. */
+ case R_390_PLT12DBL:
case R_390_PLT16DBL:
+ case R_390_PLT24DBL:
case R_390_PLT32DBL:
case R_390_PLT32:
case R_390_PLTOFF16:
case R_390_TLS_GOTIE20:
case R_390_TLS_GOTIE32:
case R_390_TLS_IEENT:
- if (info->shared)
+ if (bfd_link_pic (info))
info->flags |= DF_STATIC_TLS;
/* Fall through. */
{
if (old_tls_type == GOT_NORMAL || tls_type == GOT_NORMAL)
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%B: `%s' accessed both as normal and thread local symbol"),
abfd, h->root.root.string);
return FALSE;
/* Fall through. */
case R_390_TLS_LE32:
- if (!info->shared)
+ /* For static linking and executables this reloc will be
+ calculated at linktime otherwise a TLS_TPOFF runtime
+ reloc will be generated. */
+ if (r_type == R_390_TLS_LE32 && bfd_link_pie (info))
+ break;
+
+ if (!bfd_link_pic (info))
break;
info->flags |= DF_STATIC_TLS;
/* Fall through. */
case R_390_16:
case R_390_32:
case R_390_PC16:
+ case R_390_PC12DBL:
case R_390_PC16DBL:
+ case R_390_PC24DBL:
case R_390_PC32DBL:
case R_390_PC32:
- if (h != NULL)
+ if (h != NULL && bfd_link_executable (info))
{
/* If this reloc is in a read-only section, we might
need a copy reloc. We can't check reliably at this
adjust_dynamic_symbol. */
h->non_got_ref = 1;
- if (!info->shared)
+ if (!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
&& ((ELF32_R_TYPE (rel->r_info) != R_390_PC16
+ && ELF32_R_TYPE (rel->r_info) != R_390_PC12DBL
&& ELF32_R_TYPE (rel->r_info) != R_390_PC16DBL
+ && ELF32_R_TYPE (rel->r_info) != R_390_PC24DBL
&& ELF32_R_TYPE (rel->r_info) != R_390_PC32DBL
&& ELF32_R_TYPE (rel->r_info) != R_390_PC32)
|| (h != NULL
|| h->root.type == bfd_link_hash_defweak
|| !h->def_regular))))
|| (ELIMINATE_COPY_RELOCS
- && !info->shared
+ && !bfd_link_pic (info)
&& (sec->flags & SEC_ALLOC) != 0
&& h != NULL
&& (h->root.type == bfd_link_hash_defweak
p->count += 1;
if (ELF32_R_TYPE (rel->r_info) == R_390_PC16
+ || ELF32_R_TYPE (rel->r_info) == R_390_PC12DBL
|| ELF32_R_TYPE (rel->r_info) == R_390_PC16DBL
+ || ELF32_R_TYPE (rel->r_info) == R_390_PC24DBL
|| ELF32_R_TYPE (rel->r_info) == R_390_PC32DBL
|| ELF32_R_TYPE (rel->r_info) == R_390_PC32)
p->pc_count += 1;
bfd_signed_vma *local_got_refcounts;
const Elf_Internal_Rela *rel, *relend;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
htab = elf_s390_hash_table (info);
elf_s390_hash_table (info)->tls_ldm_got.refcount -= 1;
break;
+ case R_390_GOTOFF16:
+ case R_390_GOTOFF32:
+ if (h != NULL && s390_is_ifunc_symbol_p (h) && h->def_regular)
+ {
+ h->plt.refcount--;
+ break;
+ }
+
+ case R_390_GOTPC:
+ case R_390_GOTPCDBL:
+ break;
+
case R_390_TLS_GD32:
case R_390_TLS_IE32:
case R_390_TLS_GOTIE12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
- case R_390_GOTOFF16:
- case R_390_GOTOFF32:
- case R_390_GOTPC:
- case R_390_GOTPCDBL:
case R_390_GOTENT:
if (h != NULL)
{
case R_390_20:
case R_390_32:
case R_390_PC16:
+ case R_390_PC12DBL:
case R_390_PC16DBL:
+ case R_390_PC24DBL:
case R_390_PC32DBL:
case R_390_PC32:
- if (info->shared)
+ if (bfd_link_pic (info))
break;
/* Fall through. */
+ case R_390_PLT12DBL:
case R_390_PLT16DBL:
+ case R_390_PLT24DBL:
case R_390_PLT32DBL:
case R_390_PLT32:
case R_390_PLTOFF16:
struct elf_link_hash_entry *h)
{
struct elf_s390_link_hash_table *htab;
- asection *s;
+ asection *s, *srel;
/* STT_GNU_IFUNC symbol must go through PLT. */
if (s390_is_ifunc_symbol_p (h))
- return TRUE;
+ {
+ /* All local STT_GNU_IFUNC references must be treated as local
+ calls via local PLT. */
+ if (h->ref_regular && SYMBOL_CALLS_LOCAL (info, h))
+ {
+ bfd_size_type pc_count = 0, count = 0;
+ struct elf_dyn_relocs **pp;
+ struct elf_s390_link_hash_entry *eh;
+ struct elf_dyn_relocs *p;
+
+ eh = (struct elf_s390_link_hash_entry *) h;
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
+ {
+ pc_count += p->pc_count;
+ p->count -= p->pc_count;
+ p->pc_count = 0;
+ count += p->count;
+ if (p->count == 0)
+ *pp = p->next;
+ else
+ pp = &p->next;
+ }
+
+ if (pc_count || count)
+ {
+ h->needs_plt = 1;
+ h->non_got_ref = 1;
+ if (h->plt.refcount <= 0)
+ h->plt.refcount = 1;
+ else
+ h->plt.refcount += 1;
+ }
+ }
+
+ if (h->plt.refcount <= 0)
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+ return TRUE;
+ }
/* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later
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
/* 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_READONLY) != 0)
+ {
+ s = htab->elf.sdynrelro;
+ srel = htab->elf.sreldynrelro;
+ }
+ else
+ {
+ s = htab->elf.sdynbss;
+ srel = htab->elf.srelbss;
+ }
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
- htab->srelbss->size += sizeof (Elf32_External_Rela);
+ srel->size += sizeof (Elf32_External_Rela);
h->needs_copy = 1;
}
- s = htab->sdynbss;
-
- return _bfd_elf_adjust_dynamic_copy (h, s);
+ return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
/* Allocate space in .plt, .got and associated reloc sections for
/* Since STT_GNU_IFUNC symbol must go through PLT, we handle it
here if it is defined and referenced in a non-shared object. */
if (s390_is_ifunc_symbol_p (h) && h->def_regular)
- return s390_elf_allocate_ifunc_dyn_relocs (info, h,
- &eh->dyn_relocs);
+ return s390_elf_allocate_ifunc_dyn_relocs (info, h);
else if (htab->elf.dynamic_sections_created
&& h->plt.refcount > 0)
{
return FALSE;
}
- if (info->shared
+ if (bfd_link_pic (info)
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, 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;
to R_390_TLS_LE32 requiring no TLS entry. For GOTIE12 and IEENT
we can save the dynamic TLS relocation. */
if (h->got.refcount > 0
- && !info->shared
+ && !bfd_link_pic (info)
&& h->dynindx == -1
&& elf_s390_hash_entry(h)->tls_type >= GOT_TLS_IE)
{
h->got.offset = (bfd_vma) -1;
}
else if (h->got.refcount > 0)
- {
+ {
asection *s;
bfd_boolean dyn;
int tls_type = elf_s390_hash_entry(h)->tls_type;
htab->elf.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
+ && (bfd_link_pic (info)
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
}
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 (htab->elf.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");
if (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 += GOT_ENTRY_SIZE;
if (*local_tls_type == GOT_TLS_GD)
s->size += GOT_ENTRY_SIZE;
- if (info->shared)
+ if (bfd_link_pic (info))
srela->size += sizeof (Elf32_External_Rela);
}
else
if (s == htab->elf.splt
|| s == htab->elf.sgot
|| s == htab->elf.sgotplt
- || s == htab->sdynbss
+ || s == htab->elf.sdynbss
+ || s == htab->elf.sdynrelro
|| s == htab->elf.iplt
|| s == htab->elf.igotplt
|| s == htab->irelifunc)
#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;
reloc_howto_type *howto;
howto = elf_howto_table + ELF32_R_TYPE (rel->r_info);
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): invalid instruction for TLS relocation %s"),
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B(%A+%#Lx): invalid instruction for TLS relocation %s"),
input_bfd,
input_section,
- (long) rel->r_offset,
+ rel->r_offset,
howto->name);
bfd_set_error (bfd_error_bad_value);
}
else
{
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 (sec != NULL && discarded_section (sec))
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
switch (r_type)
finish_dynamic_symbol. */
}
}
- else if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- || (info->shared
+ else if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ || (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h))
|| (ELF_ST_VISIBILITY (h->other)
&& h->root.type == bfd_link_hash_undefweak))
base_got->contents + off);
h->got.offset |= 1;
}
+
+ if ((h->def_regular
+ && bfd_link_pic (info)
+ && SYMBOL_REFERENCES_LOCAL (info, h))
+ /* lrl rx,sym@GOTENT -> larl rx, sym */
+ && ((r_type == R_390_GOTENT
+ && (bfd_get_16 (input_bfd,
+ contents + rel->r_offset - 2)
+ & 0xff0f) == 0xc40d)
+ /* ly rx, sym@GOT(r12) -> larl rx, sym */
+ || (r_type == R_390_GOT20
+ && (bfd_get_32 (input_bfd,
+ contents + rel->r_offset - 2)
+ & 0xff00f000) == 0xe300c000
+ && bfd_get_8 (input_bfd,
+ contents + rel->r_offset + 3) == 0x58)))
+ {
+ unsigned short new_insn =
+ (0xc000 | (bfd_get_8 (input_bfd,
+ contents + rel->r_offset - 1) & 0xf0));
+ bfd_put_16 (output_bfd, new_insn,
+ contents + rel->r_offset - 2);
+ r_type = R_390_PC32DBL;
+ rel->r_addend = 2;
+ howto = elf_howto_table + r_type;
+ relocation = h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset;
+ goto do_relocation;
+ }
}
else
unresolved_reloc = FALSE;
bfd_put_32 (output_bfd, relocation,
htab->elf.sgot->contents + off);
- if (info->shared)
+ if (bfd_link_pic (info))
{
asection *srelgot;
Elf_Internal_Rela outrel;
/* Relocation is relative to the start of the global offset
table. */
+ if (h != NULL
+ && s390_is_ifunc_symbol_p (h)
+ && h->def_regular
+ && !bfd_link_executable (info))
+ {
+ relocation = (htab->elf.iplt->output_section->vma
+ + htab->elf.iplt->output_offset
+ + h->plt.offset
+ - htab->elf.sgot->output_section->vma);
+ goto do_relocation;
+ }
+
/* Note that sgot->output_offset is not involved in this
calculation. We always want the start of .got. If we
defined _GLOBAL_OFFSET_TABLE in a different way, as is
unresolved_reloc = FALSE;
break;
+ case R_390_PLT12DBL:
case R_390_PLT16DBL:
+ case R_390_PLT24DBL:
case R_390_PLT32DBL:
case R_390_PLT32:
/* Relocation is to the entry for this symbol in the
unresolved_reloc = FALSE;
break;
- case R_390_8:
- case R_390_16:
- case R_390_32:
case R_390_PC16:
+ case R_390_PC12DBL:
case R_390_PC16DBL:
+ case R_390_PC24DBL:
case R_390_PC32DBL:
case R_390_PC32:
+ if (h != NULL
+ && s390_is_ifunc_symbol_p (h)
+ && h->def_regular
+ && !bfd_link_executable (info))
+ {
+ /* This will not work our if the function does not
+ happen to set up the GOT pointer for some other
+ reason. 31 bit PLT entries require r12 to hold the
+ GOT pointer.
+ FIXME: Implement an errorcheck.
+ NOTE: It will work when brasl is not available
+ (e.g. with -m31 -march=g5) since a local function
+ call then does use GOTOFF which implies r12 being set
+ up. */
+ relocation = (htab->elf.iplt->output_section->vma
+ + htab->elf.iplt->output_offset
+ + h ->plt.offset);
+ goto do_relocation;
+ }
+ /* Fall through. */
+
+ case R_390_8:
+ case R_390_16:
+ case R_390_32:
if (h != NULL
&& s390_is_ifunc_symbol_p (h)
&& h->def_regular)
{
- if (!info->shared || !h->non_got_ref)
+ if (!bfd_link_pic (info))
{
/* For a non-shared object STT_GNU_IFUNC symbol must
go through PLT. */
if (h->dynindx == -1
|| h->forced_local
- || info->executable)
+ || bfd_link_executable (info))
{
/* This symbol is resolved locally. */
outrel.r_info = ELF32_R_INFO (0, R_390_IRELATIVE);
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)
&& ((r_type != R_390_PC16
+ && r_type != R_390_PC12DBL
&& r_type != R_390_PC16DBL
+ && r_type != R_390_PC24DBL
&& r_type != R_390_PC32DBL
&& r_type != R_390_PC32)
|| !SYMBOL_CALLS_LOCAL (info, h)))
|| (ELIMINATE_COPY_RELOCS
- && !info->shared
+ && !bfd_link_pic (info)
&& h != NULL
&& h->dynindx != -1
&& !h->non_got_ref
else if (h != NULL
&& h->dynindx != -1
&& (r_type == R_390_PC16
+ || r_type == R_390_PC12DBL
|| r_type == R_390_PC16DBL
+ || r_type == R_390_PC24DBL
|| r_type == R_390_PC32DBL
|| r_type == R_390_PC32
- || !info->shared
+ || !bfd_link_pic (info)
|| !SYMBOLIC_BIND (info, h)
|| !h->def_regular))
{
/* Relocations for tls literal pool entries. */
case R_390_TLS_IE32:
- if (info->shared)
+ if (bfd_link_pic (info))
{
Elf_Internal_Rela outrel;
asection *sreloc;
else if (h != NULL)
{
tls_type = elf_s390_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 = R_390_TLS_LE32;
}
if (r_type == R_390_TLS_GD32 && tls_type >= GOT_TLS_IE)
if (local_got_offsets == NULL)
abort();
off = local_got_offsets[r_symndx];
- if (info->shared)
+ if (bfd_link_pic (info))
goto emit_tls_relocs;
}
else
{
off = h->got.offset;
tls_type = elf_s390_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)
goto emit_tls_relocs;
}
break;
case R_390_TLS_LDM32:
- if (! info->shared)
+ if (! bfd_link_pic (info))
/* The literal pool entry this relocation refers to gets ignored
by the optimized code of the local exec model. Do nothing
and the value will turn out zero. */
break;
case R_390_TLS_LE32:
- if (info->shared)
+ if (bfd_link_dll (info))
{
/* Linking a shared library with non-fpic code requires
a R_390_TLS_TPOFF relocation. */
continue;
case R_390_TLS_LDO32:
- if (info->shared || (input_section->flags & SEC_DEBUGGING))
+ if (bfd_link_pic (info) || (input_section->flags & SEC_DEBUGGING))
relocation -= dtpoff_base (info);
else
/* When converting LDO to LE, we must negate. */
if (r_type == R_390_TLS_LOAD)
{
- if (!info->shared && (h == NULL || h->dynindx == -1))
+ if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
{
/* IE->LE transition. Four valid cases:
l %rx,0(0,%ry) -> lr %rx,%ry + bcr 0,0
unsigned int insn, ry;
insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
- ry = 0;
if ((insn & 0xff00f000) == 0x58000000)
/* l %rx,0(%ry,0) -> lr %rx,%ry + bcr 0,0 */
ry = (insn & 0x000f0000);
/* l %rx,0(%r12,%ry) -> lr %rx,%ry + bcr 0,0 */
ry = (insn & 0x0000f000) << 4;
else
- invalid_tls_insn (input_bfd, input_section, rel);
+ {
+ invalid_tls_insn (input_bfd, input_section, rel);
+ return FALSE;
+ }
insn = 0x18000700 | (insn & 0x00f00000) | ry;
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
}
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))
+ {
+ invalid_tls_insn (input_bfd, input_section, rel);
+ return FALSE;
+ }
+ if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
{
if ((insn & 0xff000000) == 0x0d000000)
{
/* 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);
+ {
+ invalid_tls_insn (input_bfd, input_section, rel);
+ return FALSE;
+ }
if ((insn & 0xff000000) == 0x4d000000)
{
}
else if (r_type == R_390_TLS_LDCALL)
{
- if (!info->shared)
+ if (!bfd_link_pic (info))
{
unsigned int insn;
if ((insn & 0xff000fff) != 0x4d000000 &&
(insn & 0xffff0000) != 0xc0e50000 &&
(insn & 0xff000000) != 0x0d000000)
- invalid_tls_insn (input_bfd, input_section, rel);
+ {
+ invalid_tls_insn (input_bfd, input_section, rel);
+ return FALSE;
+ }
if ((insn & 0xff000000) == 0x0d000000)
{
&& h->def_dynamic)
&& _bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset) != (bfd_vma) -1)
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
input_bfd,
input_section,
- (long) rel->r_offset,
+ rel->r_offset,
howto->name,
h->root.root.string);
do_relocation:
+ /* When applying a 24 bit reloc we need to start one byte
+ earlier. Otherwise the 32 bit get/put bfd operations might
+ access a byte after the actual section. */
+ if (r_type == R_390_PC24DBL
+ || r_type == R_390_PLT24DBL)
+ rel->r_offset--;
+
if (r_type == R_390_20
|| r_type == R_390_GOT20
|| r_type == R_390_GOTPLT20
}
if (r == bfd_reloc_overflow)
- {
-
- if (! ((*info->callbacks->reloc_overflow)
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
- }
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
else
{
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): reloc against `%s': error %d"),
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B(%A+%#Lx): reloc against `%s': error %d"),
input_bfd, input_section,
- (long) rel->r_offset, name, (int) r);
+ rel->r_offset, name, (int) r);
return FALSE;
}
}
/* S390 uses halfwords for relative branch calc! */
relative_offset = - (plt->output_offset +
(PLT_ENTRY_SIZE * iplt_index) + 18) / 2;
-/* If offset is > 32768, branch to a previous branch
- 390 can only handle +-64 K jumps. */
+ /* If offset is > 32768, branch to a previous branch
+ 390 can only handle +-64 K jumps. */
if ( -32768 > (int) relative_offset )
relative_offset
= -(unsigned) (((65536 / PLT_ENTRY_SIZE - 1) * PLT_ENTRY_SIZE) / 2);
/* Fill in the entry in the procedure linkage table. */
- if (!info->shared)
+ if (!bfd_link_pic (info))
{
memcpy (plt->contents + iplt_offset, elf_s390_plt_entry,
PLT_ENTRY_SIZE);
if (!h
|| h->dynindx == -1
- || ((info->executable
+ || ((bfd_link_executable (info)
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
&& h->def_regular))
{
/* This symbol has an entry in the procedure linkage table. Set
it up. */
- if (s390_is_ifunc_symbol_p (h))
+ if (s390_is_ifunc_symbol_p (h) && h->def_regular)
{
- /* If we can resolve the IFUNC symbol locally we generate an
- IRELATIVE reloc. */
- elf_s390_finish_ifunc_symbol (output_bfd, info, h, htab, h->plt.offset,
- eh->ifunc_resolver_address +
- eh->ifunc_resolver_section->output_offset +
- eh->ifunc_resolver_section->output_section->vma);
- /* Fallthrough. Handling of explicit GOT slots of IFUNC
- symbols is below. */
+ elf_s390_finish_ifunc_symbol (output_bfd, info, h,
+ htab, h->plt.offset,
+ eh->ifunc_resolver_address +
+ eh->ifunc_resolver_section->output_offset +
+ eh->ifunc_resolver_section->output_section->vma);
+ /* Do not return yet. Handling of explicit GOT slots of
+ IFUNC symbols is below. */
}
else
{
= -(unsigned) (((65536 / PLT_ENTRY_SIZE - 1) * PLT_ENTRY_SIZE) / 2);
/* Fill in the entry in the procedure linkage table. */
- if (!info->shared)
+ if (!bfd_link_pic (info))
{
memcpy (htab->elf.splt->contents + h->plt.offset, elf_s390_plt_entry,
PLT_ENTRY_SIZE);
/* Put in the GOT offset as displacement value. The 0xc000
value comes from the first word of the plt entry. Look
- at the elf_s390_plt_pic16_entry content. */
+ at the elf_s390_plt_pic12_entry content. */
bfd_put_16 (output_bfd, (bfd_vma)0xc000 | got_offset,
htab->elf.splt->contents + h->plt.offset + 2);
initialized in the relocate_section function. */
if (h->def_regular && s390_is_ifunc_symbol_p (h))
{
- if (info->shared)
+ if (bfd_link_pic (info))
{
/* An explicit GOT slot usage needs GLOB_DAT. If the
symbol references local the implicit got.iplt slot
return TRUE;
}
}
- else if (info->shared
- && SYMBOL_REFERENCES_LOCAL (info, h))
+ else if (bfd_link_pic (info)
+ && SYMBOL_REFERENCES_LOCAL (info, h))
{
/* If this is a static link, or it is a -Bsymbolic link and
the symbol is defined locally or was forced to be local
RELATIVE reloc. The entry in the global offset table
will already have been initialized in the
relocate_section function. */
- if (!h->def_regular)
+ if (!(h->def_regular || ELF_COMMON_DEF_P (h)))
return FALSE;
BFD_ASSERT((h->got.offset & 1) != 0);
rela.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
if (h->needs_copy)
{
Elf_Internal_Rela rela;
+ asection *s;
bfd_byte *loc;
/* This symbols needs a copy reloc. Set it up. */
if (h->dynindx == -1
|| (h->root.type != bfd_link_hash_defined
&& h->root.type != bfd_link_hash_defweak)
- || htab->srelbss == NULL)
+ || htab->elf.srelbss == NULL
+ || htab->elf.sreldynrelro == NULL)
abort ();
rela.r_offset = (h->root.u.def.value
+ h->root.u.def.section->output_offset);
rela.r_info = ELF32_R_INFO (h->dynindx, R_390_COPY);
rela.r_addend = 0;
- loc = htab->srelbss->contents;
- loc += htab->srelbss->reloc_count++ * sizeof (Elf32_External_Rela);
+ if (h->root.u.def.section == htab->elf.sdynrelro)
+ s = htab->elf.sreldynrelro;
+ else
+ s = htab->elf.srelbss;
+ loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
dynamic linker, before writing them out. */
static enum elf_reloc_type_class
-elf_s390_reloc_type_class (const Elf_Internal_Rela *rela)
+elf_s390_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *rela)
{
+ bfd *abfd = info->output_bfd;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ struct elf_s390_link_hash_table *htab = elf_s390_hash_table (info);
+ unsigned long r_symndx = ELF32_R_SYM (rela->r_info);
+ Elf_Internal_Sym sym;
+
+ if (htab->elf.dynsym == NULL
+ || !bed->s->swap_symbol_in (abfd,
+ (htab->elf.dynsym->contents
+ + r_symndx * bed->s->sizeof_sym),
+ 0, &sym))
+ abort ();
+
+ /* Check relocation against STT_GNU_IFUNC symbol. */
+ if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC)
+ return reloc_class_ifunc;
+
switch ((int) ELF32_R_TYPE (rela->r_info))
{
case R_390_RELATIVE:
continue;
case DT_PLTGOT:
- dyn.d_un.d_ptr = htab->elf.sgot->output_section->vma;
+ s = htab->elf.sgotplt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
break;
case DT_JMPREL:
- dyn.d_un.d_ptr = htab->elf.srelplt->output_section->vma;
+ s = htab->elf.srelplt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
break;
case DT_PLTRELSZ:
- s = htab->elf.srelplt->output_section;
- dyn.d_un.d_val = s->size;
+ dyn.d_un.d_val = htab->elf.srelplt->size;
+ if (htab->elf.irelplt)
+ dyn.d_un.d_val += htab->elf.irelplt->size;
break;
}
if (htab->elf.splt && htab->elf.splt->size > 0)
{
memset (htab->elf.splt->contents, 0, PLT_FIRST_ENTRY_SIZE);
- if (info->shared)
+ if (bfd_link_pic (info))
{
memcpy (htab->elf.splt->contents, elf_s390_plt_pic_first_entry,
PLT_FIRST_ENTRY_SIZE);
htab->elf.sgotplt->output_section->vma
+ htab->elf.sgotplt->output_offset,
htab->elf.splt->contents + 24);
- }
+ }
elf_section_data (htab->elf.splt->output_section)
->this_hdr.sh_entsize = 4;
}
->this_hdr.sh_entsize = 4;
}
/* Finish dynamic symbol for local IFUNC symbols. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
{
struct plt_entry *local_plt;
Elf_Internal_Sym *isym;
symtab_hdr = &elf_symtab_hdr (ibfd);
+ if (!is_s390_elf (ibfd))
+ continue;
+
local_plt = elf_s390_local_plt (ibfd);
if (local_plt != NULL)
for (i = 0; i < symtab_hdr->sh_info; i++)
}
return TRUE;
}
+\f
+/* Support for core dump NOTE sections. */
static bfd_boolean
elf_s390_grok_prstatus (bfd * abfd, Elf_Internal_Note * note)
switch (note->descsz)
{
- default:
- return FALSE;
+ default:
+ return FALSE;
- case 224: /* S/390 Linux. */
- /* pr_cursig */
- elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+ case 224: /* S/390 Linux. */
+ /* pr_cursig */
+ elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
- /* pr_pid */
- elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 24);
+ /* pr_pid */
+ elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
- /* pr_reg */
- offset = 72;
- size = 144;
- break;
+ /* pr_reg */
+ offset = 72;
+ size = 144;
+ break;
}
/* Make a ".reg/999" section. */
size, note->descpos + offset);
}
+static bfd_boolean
+elf_s390_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+ switch (note->descsz)
+ {
+ default:
+ return FALSE;
+
+ case 124: /* sizeof(struct elf_prpsinfo) on s390 */
+ elf_tdata (abfd)->core->pid
+ = bfd_get_32 (abfd, note->descdata + 12);
+ elf_tdata (abfd)->core->program
+ = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
+ elf_tdata (abfd)->core->command
+ = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
+ break;
+ }
+
+ /* Note that for some reason, a spurious space is tacked
+ onto the end of the args in some (at least one anyway)
+ implementations, so strip it off if it exists. */
+
+ {
+ char *command = elf_tdata (abfd)->core->command;
+ int n = strlen (command);
+
+ if (0 < n && command[n - 1] == ' ')
+ command[n - 1] = '\0';
+ }
+
+ return TRUE;
+}
+
+static char *
+elf_s390_write_core_note (bfd *abfd, char *buf, int *bufsiz,
+ int note_type, ...)
+{
+ va_list ap;
+
+ switch (note_type)
+ {
+ default:
+ return NULL;
+
+ case NT_PRPSINFO:
+ {
+ char data[124] = { 0 };
+ const char *fname, *psargs;
+
+ va_start (ap, note_type);
+ fname = va_arg (ap, const char *);
+ psargs = va_arg (ap, const char *);
+ va_end (ap);
+
+ strncpy (data + 28, fname, 16);
+ strncpy (data + 44, psargs, 80);
+ return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type,
+ &data, sizeof (data));
+ }
+
+ case NT_PRSTATUS:
+ {
+ char data[224] = { 0 };
+ long pid;
+ int cursig;
+ const void *gregs;
+
+ va_start (ap, note_type);
+ pid = va_arg (ap, long);
+ cursig = va_arg (ap, int);
+ gregs = va_arg (ap, const void *);
+ va_end (ap);
+
+ bfd_put_16 (abfd, cursig, data + 12);
+ bfd_put_32 (abfd, pid, data + 24);
+ memcpy (data + 72, gregs, 144);
+ return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type,
+ &data, sizeof (data));
+ }
+ }
+ /* NOTREACHED */
+}
+\f
/* Return address for Ith PLT stub in section PLT, for relocation REL
or (bfd_vma) -1 if it should not be included. */
return plt->vma + PLT_FIRST_ENTRY_SIZE + i * PLT_ENTRY_SIZE;
}
+/* Merge backend specific data from an object file to the output
+ object file when linking. */
+
static bfd_boolean
-elf32_s390_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+elf32_s390_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
+
+ if (!is_s390_elf (ibfd) || !is_s390_elf (obfd))
+ return TRUE;
+
+ if (!elf_s390_merge_obj_attributes (ibfd, info))
+ return FALSE;
+
elf_elfheader (obfd)->e_flags |= elf_elfheader (ibfd)->e_flags;
return TRUE;
}
-#define TARGET_BIG_SYM bfd_elf32_s390_vec
+#define TARGET_BIG_SYM s390_elf32_vec
#define TARGET_BIG_NAME "elf32-s390"
#define ELF_ARCH bfd_arch_s390
#define ELF_TARGET_ID S390_ELF_DATA
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 12
+#define elf_backend_want_dynrelro 1
#define elf_backend_rela_normal 1
#define elf_info_to_howto elf_s390_info_to_howto
#define elf_backend_adjust_dynamic_symbol elf_s390_adjust_dynamic_symbol
#define elf_backend_check_relocs elf_s390_check_relocs
#define elf_backend_copy_indirect_symbol elf_s390_copy_indirect_symbol
-#define elf_backend_create_dynamic_sections elf_s390_create_dynamic_sections
+#define elf_backend_create_dynamic_sections _bfd_elf_create_dynamic_sections
#define elf_backend_finish_dynamic_sections elf_s390_finish_dynamic_sections
#define elf_backend_finish_dynamic_symbol elf_s390_finish_dynamic_symbol
#define elf_backend_gc_mark_hook elf_s390_gc_mark_hook
#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_grok_psinfo elf_s390_grok_psinfo
+#define elf_backend_write_core_note elf_s390_write_core_note
#define elf_backend_plt_sym_val elf_s390_plt_sym_val
#define elf_backend_add_symbol_hook elf_s390_add_symbol_hook
+#define elf_backend_sort_relocs_p elf_s390_elf_sort_relocs_p
#define bfd_elf32_mkobject elf_s390_mkobject
#define elf_backend_object_p elf_s390_object_p
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