/* Support for HPPA 64-bit ELF
- Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
- 2009, 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 1999-2016 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "elf/hppa.h"
#include "libhppa.h"
#include "elf64-hppa.h"
-
+#include "libiberty.h"
#define ARCH_SIZE 64
const Elf_Internal_Rela *rel;
unsigned int sec_symndx;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
/* If this is the first dynamic object found in the link, create
/* If necessary, build a new table holding section symbols indices
for this BFD. */
- if (info->shared && hppa_info->section_syms_bfd != abfd)
+ if (bfd_link_pic (info) && hppa_info->section_syms_bfd != abfd)
{
unsigned long i;
unsigned int highest_shndx;
relocations when building shared libraries. When not building shared
libraries this value is never really used, but assign it to zero to
prevent out of bounds memory accesses in other routines. */
- if (info->shared)
+ if (bfd_link_pic (info))
{
sec_symndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|| hh->eh.root.type == bfd_link_hash_warning)
hh = hppa_elf_hash_entry (hh->eh.root.u.i.link);
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ hh->eh.root.non_ir_ref = 1;
hh->eh.ref_regular = 1;
}
else
have yet been processed. Do something with what we know, as
this may help reduce memory usage and processing time later. */
maybe_dynamic = FALSE;
- if (hh && ((info->shared
+ if (hh && ((bfd_link_pic (info)
&& (!info->symbolic
|| info->unresolved_syms_in_shared_libs == RM_IGNORE))
|| !hh->eh.def_regular
break;
case R_PARISC_DIR64:
- if (info->shared || maybe_dynamic)
+ if (bfd_link_pic (info) || maybe_dynamic)
need_entry = (NEED_DYNREL);
dynrel_type = R_PARISC_DIR64;
break;
case R_PARISC_LTOFF_FPTR16F:
case R_PARISC_LTOFF_FPTR16WF:
case R_PARISC_LTOFF_FPTR16DF:
- if (info->shared || maybe_dynamic)
+ if (bfd_link_pic (info) || maybe_dynamic)
need_entry = (NEED_DLT | NEED_OPD | NEED_PLT);
else
need_entry = (NEED_DLT | NEED_OPD | NEED_PLT);
/* This is a simple OPD entry. */
case R_PARISC_FPTR64:
- if (info->shared || maybe_dynamic)
+ if (bfd_link_pic (info) || maybe_dynamic)
need_entry = (NEED_OPD | NEED_PLT | NEED_DYNREL);
else
need_entry = (NEED_OPD | NEED_PLT);
a dynamic R_PARISC_FPTR64 relocation, then make sure the
section symbol for this section ends up in the dynamic
symbol table. */
- if (info->shared && dynrel_type == R_PARISC_FPTR64
+ if (bfd_link_pic (info) && dynrel_type == R_PARISC_FPTR64
&& ! (bfd_elf_link_record_local_dynamic_symbol
(info, abfd, sec_symndx)))
return FALSE;
if (hh->want_dlt)
{
- if (x->info->shared)
+ if (bfd_link_pic (x->info))
{
/* Possibly add the symbol to the local dynamic symbol
table since we might need to create a dynamic relocation
/* If we are creating a shared library, took the address of a local
function or might export this function from this object file, then
we have to create an opd descriptor. */
- else if (x->info->shared
+ else if (bfd_link_pic (x->info)
|| hh == NULL
|| (hh->eh.dynindx == -1 && hh->eh.type != STT_PARISC_MILLI)
|| (hh->eh.root.type == bfd_link_hash_defined
create a runtime relocation for the symbol to properly
initialize the .opd entry. Make sure the symbol gets
added to the dynamic symbol table. */
- if (x->info->shared
+ if (bfd_link_pic (x->info)
&& (hh == NULL || (hh->eh.dynindx == -1)))
{
bfd *owner;
in dynamic relocs. But name munging does make the result
much easier to debug. ie, the EPLT reloc will reference
a symbol like .foobar, instead of .text + offset. */
- if (x->info->shared && eh)
+ if (bfd_link_pic (x->info) && eh)
{
char *new_name;
struct elf_link_hash_entry *nh;
- new_name = alloca (strlen (eh->root.root.string) + 2);
- new_name[0] = '.';
- strcpy (new_name + 1, eh->root.root.string);
+ new_name = concat (".", eh->root.root.string, NULL);
nh = elf_link_hash_lookup (elf_hash_table (x->info),
new_name, TRUE, TRUE, TRUE);
+ free (new_name);
nh->root.type = eh->root.type;
nh->root.u.def.value = eh->root.u.def.value;
nh->root.u.def.section = eh->root.u.def.section;
if (! bfd_elf_link_record_dynamic_symbol (x->info, nh))
return FALSE;
-
}
hh->opd_offset = x->ofs;
x->ofs += OPD_ENTRY_SIZE;
return FALSE;
dynamic_symbol = elf64_hppa_dynamic_symbol_p (eh, x->info);
- shared = x->info->shared;
+ shared = bfd_link_pic (x->info);
/* We may need to allocate relocations for a non-dynamic symbol
when creating a shared library. */
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
+ if (bfd_link_executable (info) && !info->nointerp)
{
sec = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (sec != NULL);
/* Set up DLT, PLT and OPD 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_dlt;
bfd_signed_vma *end_local_dlt;
{
*local_dlt = sec->size;
sec->size += DLT_ENTRY_SIZE;
- if (info->shared)
+ if (bfd_link_pic (info))
{
srel->size += sizeof (Elf64_External_Rela);
}
{
*local_plt = sec->size;
sec->size += PLT_ENTRY_SIZE;
- if (info->shared)
+ if (bfd_link_pic (info))
srel->size += sizeof (Elf64_External_Rela);
}
else
{
*local_opd = sec->size;
sec->size += OPD_ENTRY_SIZE;
- if (info->shared)
+ if (bfd_link_pic (info))
srel->size += sizeof (Elf64_External_Rela);
}
else
must add the entries now so that we get the correct size for
the .dynamic section. The DT_DEBUG entry is filled in by the
dynamic linker and used by the debugger. */
- if (! info->shared)
+ if (! bfd_link_pic (info))
{
if (!add_dynamic_entry (DT_DEBUG, 0)
|| !add_dynamic_entry (DT_HP_DLD_HOOK, 0)
if we are creating a shared library and the symbol is
still undefined, we create a dynamic relocation to fill
in the correct value. */
- if (info->shared && eh->root.type == bfd_link_hash_undefined)
+ if (bfd_link_pic (info) && eh->root.type == bfd_link_hash_undefined)
value = 0;
else
value = (eh->root.u.def.value + eh->root.u.def.section->vma);
/* If we are generating a shared library, we must generate EPLT relocations
for each entry in the .opd, even for static functions (they may have
had their address taken). */
- if (info->shared && hh->want_opd)
+ if (bfd_link_pic (info) && hh->want_opd)
{
Elf_Internal_Rela rel;
bfd_byte *loc;
char *new_name;
struct elf_link_hash_entry *nh;
- new_name = alloca (strlen (eh->root.root.string) + 2);
- new_name[0] = '.';
- strcpy (new_name + 1, eh->root.root.string);
+ new_name = concat (".", eh->root.root.string, NULL);
nh = elf_link_hash_lookup (elf_hash_table (info),
new_name, TRUE, TRUE, FALSE);
symbol index. */
if (nh)
dynindx = nh->dynindx;
+ free (new_name);
}
rel.r_addend = 0;
address, so there is no need to create a relocation. Just install
the proper value into the DLT, note this shortcut can not be
skipped when building a shared library. */
- if (! info->shared && hh && hh->want_dlt)
+ if (! bfd_link_pic (info) && hh && hh->want_dlt)
{
bfd_vma value;
/* Create a relocation for the DLT entry associated with this symbol.
When building a shared library the symbol does not have to be dynamic. */
if (hh->want_dlt
- && (elf64_hppa_dynamic_symbol_p (eh, info) || info->shared))
+ && (elf64_hppa_dynamic_symbol_p (eh, info) || bfd_link_pic (info)))
{
Elf_Internal_Rela rel;
bfd_byte *loc;
dynamic_symbol = elf64_hppa_dynamic_symbol_p (eh, info);
- if (!dynamic_symbol && !info->shared)
+ if (!dynamic_symbol && !bfd_link_pic (info))
return TRUE;
if (hh->reloc_entries)
/* Allocate one iff we are building a shared library, the relocation
isn't a R_PARISC_FPTR64, or we don't want an opd entry. */
- if (!info->shared && rent->type == R_PARISC_FPTR64 && hh->want_opd)
+ if (!bfd_link_pic (info)
+ && rent->type == R_PARISC_FPTR64 && hh->want_opd)
continue;
/* Create a dynamic relocation for this entry.
We use a section symbol recorded by check_relocs as the
base symbol for the relocation. The addend is the difference
between the section symbol and the address of the .opd entry. */
- if (info->shared && rent->type == R_PARISC_FPTR64 && hh->want_opd)
+ if (bfd_link_pic (info)
+ && rent->type == R_PARISC_FPTR64 && hh->want_opd)
{
bfd_vma value, value2;
area at the start of the .data section. So all we have to
to is find the start of the .data section. */
s = bfd_get_section_by_name (output_bfd, ".data");
+ if (!s)
+ return FALSE;
dyn.d_un.d_ptr = s->vma;
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
Ultimately we should have better controls over the generic ELF BFD
linker code. */
- if (! info->relocatable
+ if (! bfd_link_relocatable (info)
&& info->unresolved_syms_in_shared_libs != RM_IGNORE
&& h->root.type == bfd_link_hash_undefined
&& h->ref_dynamic
Ultimately we should have better controls over the generic ELF BFD
linker code. */
- if (! info->relocatable
+ if (! bfd_link_relocatable (info)
&& info->unresolved_syms_in_shared_libs != RM_IGNORE
&& h->root.type == bfd_link_hash_undefined
&& !h->ref_dynamic
static bfd_boolean
elf_hppa_final_link (bfd *abfd, struct bfd_link_info *info)
{
- bfd_boolean retval;
+ struct stat buf;
struct elf64_hppa_link_hash_table *hppa_info = hppa_link_hash_table (info);
if (hppa_info == NULL)
return FALSE;
- if (! info->relocatable)
+ if (! bfd_link_relocatable (info))
{
struct elf_link_hash_entry *gp;
bfd_vma gp_val;
info);
/* Invoke the regular ELF backend linker to do all the work. */
- retval = bfd_elf_final_link (abfd, info);
+ if (!bfd_elf_final_link (abfd, info))
+ return FALSE;
elf_link_hash_traverse (elf_hash_table (info),
elf_hppa_remark_useless_dynamic_symbols,
/* If we're producing a final executable, sort the contents of the
unwind section. */
- if (retval && !info->relocatable)
- retval = elf_hppa_sort_unwind (abfd);
+ if (bfd_link_relocatable (info))
+ return TRUE;
+
+ /* Do not attempt to sort non-regular files. This is here
+ especially for configure scripts and kernel builds which run
+ tests with "ld [...] -o /dev/null". */
+ if (stat (abfd->filename, &buf) != 0
+ || !S_ISREG(buf.st_mode))
+ return TRUE;
- return retval;
+ return elf_hppa_sort_unwind (abfd);
}
/* Relocate the given INSN. VALUE should be the actual value we want
&& value + addend + max_branch_offset >= 2*max_branch_offset)
{
(*_bfd_error_handler)
- (_("%B(%A+0x" BFD_VMA_FMT "x): cannot reach %s"),
+ (_("%B(%A+0x%" BFD_VMA_FMT "x): cannot reach %s"),
input_bfd,
input_section,
offset,
eh = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ if (info->wrap_hash != NULL
+ && (input_section->flags & SEC_DEBUGGING) != 0)
+ eh = ((struct elf_link_hash_entry *)
+ unwrap_hash_lookup (info, input_bfd, &eh->root));
+
while (eh->root.type == bfd_link_hash_indirect
|| eh->root.type == bfd_link_hash_warning)
eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
else if (info->unresolved_syms_in_objects == RM_IGNORE
&& ELF_ST_VISIBILITY (eh->other) == STV_DEFAULT)
;
- else if (!info->relocatable
+ else if (!bfd_link_relocatable (info)
&& elf_hppa_is_dynamic_loader_symbol (eh->root.root.string))
continue;
- else if (!info->relocatable)
+ else if (!bfd_link_relocatable (info))
{
bfd_boolean err;
err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
return FALSE;
}
- if (!info->relocatable
+ if (!bfd_link_relocatable (info)
&& relocation == 0
&& eh->root.type != bfd_link_hash_defined
&& eh->root.type != bfd_link_hash_defweak
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
r = elf_hppa_final_link_relocate (rel, input_bfd, output_bfd,
bfd_elf64_swap_reloca_out
};
-#define TARGET_BIG_SYM bfd_elf64_hppa_vec
+#define TARGET_BIG_SYM hppa_elf64_vec
#define TARGET_BIG_NAME "elf64-hppa"
#define ELF_ARCH bfd_arch_hppa
#define ELF_TARGET_ID HPPA64_ELF_DATA
#include "elf64-target.h"
#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf64_hppa_linux_vec
+#define TARGET_BIG_SYM hppa_elf64_linux_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf64-hppa-linux"
#undef ELF_OSABI
#define ELF_OSABI ELFOSABI_GNU
-#undef elf_backend_post_process_headers
-#define elf_backend_post_process_headers _bfd_elf_set_osabi
#undef elf64_bed
#define elf64_bed elf64_hppa_linux_bed