/* Support for HPPA 64-bit ELF
- Copyright 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
PTR info));
static const char *get_dyn_name
- PARAMS ((asection *, struct elf_link_hash_entry *,
+ PARAMS ((bfd *, struct elf_link_hash_entry *,
const Elf_Internal_Rela *, char **, size_t *));
/* This must follow the definitions of the various derived linker
PARAMS ((bfd *, struct bfd_link_info *));
static bfd_boolean elf64_hppa_link_output_symbol_hook
- PARAMS ((bfd *abfd, struct bfd_link_info *, const char *,
- Elf_Internal_Sym *, asection *input_sec));
+ PARAMS ((struct bfd_link_info *, const char *, Elf_Internal_Sym *,
+ asection *, struct elf_link_hash_entry *));
static bfd_boolean elf64_hppa_finish_dynamic_symbol
PARAMS ((bfd *, struct bfd_link_info *,
PARAMS ((bfd *));
static bfd_boolean elf64_hppa_modify_segment_map
- PARAMS ((bfd *));
+ PARAMS ((bfd *, struct bfd_link_info *));
static enum elf_reloc_type_class elf64_hppa_reloc_type_class
PARAMS ((const Elf_Internal_Rela *));
i_ehdrp = elf_elfheader (abfd);
if (strcmp (bfd_get_target (abfd), "elf64-hppa-linux") == 0)
{
- if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_LINUX)
+ /* GCC on hppa-linux produces binaries with OSABI=Linux,
+ but the kernel produces corefiles with OSABI=SysV. */
+ if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_LINUX &&
+ i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */
return FALSE;
}
else
allocate memory as necessary, possibly reusing PBUF/PLEN. */
static const char *
-get_dyn_name (sec, h, rel, pbuf, plen)
- asection *sec;
+get_dyn_name (abfd, h, rel, pbuf, plen)
+ bfd *abfd;
struct elf_link_hash_entry *h;
const Elf_Internal_Rela *rel;
char **pbuf;
size_t *plen;
{
+ asection *sec = abfd->sections;
size_t nlen, tlen;
char *buf;
size_t len;
relend = relocs + sec->reloc_count;
for (rel = relocs; rel < relend; ++rel)
{
- enum {
- NEED_DLT = 1,
- NEED_PLT = 2,
- NEED_STUB = 4,
- NEED_OPD = 8,
- NEED_DYNREL = 16,
- };
+ enum
+ {
+ NEED_DLT = 1,
+ NEED_PLT = 2,
+ NEED_STUB = 4,
+ NEED_OPD = 8,
+ NEED_DYNREL = 16,
+ };
struct elf_link_hash_entry *h = NULL;
unsigned long r_symndx = ELF64_R_SYM (rel->r_info);
this may help reduce memory usage and processing time later. */
maybe_dynamic = FALSE;
if (h && ((info->shared
- && (!info->symbolic || info->allow_shlib_undefined) )
+ && (!info->symbolic || info->unresolved_syms_in_shared_libs == RM_IGNORE))
|| ! (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)
|| h->root.type == bfd_link_hash_defweak))
maybe_dynamic = TRUE;
continue;
/* Collect a canonical name for this address. */
- addr_name = get_dyn_name (sec, h, rel, &buf, &buf_len);
+ addr_name = get_dyn_name (abfd, h, rel, &buf, &buf_len);
/* Collect the canonical entry data for this address. */
dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table,
section symbol for this section ends up in the dynamic
symbol table. */
if (info->shared && dynrel_type == R_PARISC_FPTR64
- && ! (_bfd_elf64_link_record_local_dynamic_symbol
+ && ! (bfd_elf_link_record_local_dynamic_symbol
(info, abfd, sec_symndx)))
return FALSE;
}
struct elf_link_hash_entry *h;
struct bfd_link_info *info;
{
- if (h == NULL)
- 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;
-
- if (h->dynindx == -1)
- return FALSE;
-
- if (h->root.type == bfd_link_hash_undefweak
- || h->root.type == bfd_link_hash_defweak)
- return TRUE;
+ /* ??? What, if anything, needs to happen wrt STV_PROTECTED symbols
+ and relocations that retrieve a function descriptor? Assume the
+ worst for now. */
+ if (_bfd_elf_dynamic_symbol_p (h, info, 1))
+ {
+ /* ??? Why is this here and not elsewhere is_local_label_name. */
+ if (h->root.root.string[0] == '$' && h->root.root.string[1] == '$')
+ return FALSE;
- if (h->root.root.string[0] == '$' && h->root.root.string[1] == '$')
+ return TRUE;
+ }
+ else
return FALSE;
-
- if ((info->shared && (!info->symbolic || info->allow_shlib_undefined))
- || ((h->elf_link_hash_flags
- & (ELF_LINK_HASH_DEF_DYNAMIC | ELF_LINK_HASH_REF_REGULAR))
- == (ELF_LINK_HASH_DEF_DYNAMIC | ELF_LINK_HASH_REF_REGULAR)))
- return TRUE;
-
- return FALSE;
}
-/* Mark all funtions exported by this file so that we can later allocate
+/* Mark all functions exported by this file so that we can later allocate
entries in .opd for them. */
static bfd_boolean
bfd *owner;
owner = (h ? h->root.u.def.section->owner : dyn_h->owner);
- if (! (_bfd_elf64_link_record_local_dynamic_symbol
+ if (! (bfd_elf_link_record_local_dynamic_symbol
(x->info, owner, dyn_h->sym_indx)))
return FALSE;
}
bfd *owner;
owner = (h ? h->root.u.def.section->owner : dyn_h->owner);
- if (!_bfd_elf64_link_record_local_dynamic_symbol
+ if (!bfd_elf_link_record_local_dynamic_symbol
(x->info, owner, dyn_h->sym_indx))
return FALSE;
}
nh->root.u.def.value = h->root.u.def.value;
nh->root.u.def.section = h->root.u.def.section;
- if (! bfd_elf64_link_record_dynamic_symbol (x->info, nh))
+ if (! bfd_elf_link_record_dynamic_symbol (x->info, nh))
return FALSE;
}
}
/* Create function descriptor section (.opd). This section is called .opd
- because it contains "official prodecure descriptors". The "official"
+ because it contains "official procedure descriptors". The "official"
refers to the fact that these descriptors are used when taking the address
of a procedure, thus ensuring a unique address for each procedure. */
the symbol need only be added once. */
if (dyn_h->h == 0
|| (dyn_h->h->dynindx == -1 && dyn_h->h->type != STT_PARISC_MILLI))
- if (!_bfd_elf64_link_record_local_dynamic_symbol
+ if (!bfd_elf_link_record_local_dynamic_symbol
(x->info, rent->sec->owner, dyn_h->sym_indx))
return FALSE;
}
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (! info->shared)
+ if (info->executable)
{
s = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (s != NULL);
the PLT, it is how we communicate the __gp value of a load
module to the dynamic linker. */
#define add_dynamic_entry(TAG, VAL) \
- bfd_elf64_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
if (!add_dynamic_entry (DT_HP_DLD_FLAGS, 0)
|| !add_dynamic_entry (DT_PLTGOT, 0))
table. Ick. */
static bfd_boolean
-elf64_hppa_link_output_symbol_hook (abfd, info, name, sym, input_sec)
- bfd *abfd ATTRIBUTE_UNUSED;
+elf64_hppa_link_output_symbol_hook (info, name, sym, input_sec, h)
struct bfd_link_info *info;
const char *name;
Elf_Internal_Sym *sym;
asection *input_sec ATTRIBUTE_UNUSED;
+ struct elf_link_hash_entry *h;
{
struct elf64_hppa_link_hash_table *hppa_info;
struct elf64_hppa_dyn_hash_entry *dyn_h;
hppa_info = elf64_hppa_hash_table (info);
dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table,
name, FALSE, FALSE);
+ if (!dyn_h || dyn_h->h != h)
+ return TRUE;
/* Function symbols for which we created .opd entries *may* have been
munged by finish_dynamic_symbol and have to be un-munged here.
into non-dynamic ones, so we initialize st_shndx to -1 in
mark_exported_functions and check to see if it was overwritten
here instead of just checking dyn_h->h->dynindx. */
- if (dyn_h && dyn_h->want_opd && dyn_h->st_shndx != -1)
+ if (dyn_h->want_opd && dyn_h->st_shndx != -1)
{
/* Restore the saved value and section index. */
sym->st_value = dyn_h->st_value;
+ hppa_info->opd_sec->output_offset
+ hppa_info->opd_sec->output_section->vma);
}
- else if (h->root.u.def.section)
+ else if ((h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ && h->root.u.def.section)
{
value = h->root.u.def.value + h->root.u.def.section->output_offset;
if (h->root.u.def.section->output_section)
bfd_put_64 (sdlt->owner, value, sdlt->contents + dyn_h->dlt_offset);
}
- /* Create a relocation for the DLT entry assocated with this symbol.
+ /* 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 (dyn_h->want_dlt
&& (elf64_hppa_dynamic_symbol_p (dyn_h->h, info) || info->shared))
existence of a .interp section. */
static bfd_boolean
-elf64_hppa_modify_segment_map (abfd)
+elf64_hppa_modify_segment_map (abfd, info)
bfd *abfd;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
{
struct elf_segment_map *m;
asection *s;
return type;
}
+static struct bfd_elf_special_section const elf64_hppa_special_sections[]=
+{
+ { ".fini", 5, 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".init", 5, 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { NULL, 0, 0, 0, 0 }
+};
+
/* The hash bucket size is the standard one, namely 4. */
const struct elf_size_info hppa64_elf_size_info =
#define elf_backend_plt_readonly 0
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 0
-#define elf_backend_plt_header_size 0
#define elf_backend_type_change_ok TRUE
#define elf_backend_get_symbol_type elf64_hppa_elf_get_symbol_type
#define elf_backend_reloc_type_class elf64_hppa_reloc_type_class
#define elf_backend_rela_normal 1
+#define elf_backend_special_sections elf64_hppa_special_sections
#include "elf64-target.h"
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf64-hppa-linux"
+#undef elf_backend_special_sections
+
#define INCLUDED_TARGET_FILE 1
#include "elf64-target.h"
projects / binutils-gdb.git / blobdiff