/* 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;
size_t buf_len;
int sec_symndx;
- if (info->relocateable)
+ if (info->relocatable)
return TRUE;
/* If this is the first dynamic object found in the link, create
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);
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
- h->elf_link_hash_flags |= ELF_LINK_HASH_REF_REGULAR;
+ h->ref_regular = 1;
}
/* We can only get preliminary data on whether a symbol is
this may help reduce memory usage and processing time later. */
maybe_dynamic = FALSE;
if (h && ((info->shared
- && (!info->symbolic || info->allow_shlib_undefined) )
- || ! (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)
+ && (!info->symbolic
+ || info->unresolved_syms_in_shared_libs == RM_IGNORE))
+ || !h->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,
/* This could be a local function that had its address taken, in
which case H will be NULL. */
if (h)
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
}
/* Add a new dynamic relocation to the chain of dynamic
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
dyn_h->want_opd = 1;
/* Put a flag here for output_symbol_hook. */
dyn_h->st_shndx = -1;
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
}
return TRUE;
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. */
if (!shared && rent->type == R_PARISC_FPTR64 && dyn_h->want_opd)
continue;
- hppa_info->other_rel_sec->_raw_size += sizeof (Elf64_External_Rela);
+ hppa_info->other_rel_sec->size += sizeof (Elf64_External_Rela);
/* Make sure this symbol gets into the dynamic symbol table if it is
not already recorded. ?!? This should not be in the loop since
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;
}
/* Take care of the GOT and PLT relocations. */
if ((dynamic_symbol || shared) && dyn_h->want_dlt)
- hppa_info->dlt_rel_sec->_raw_size += sizeof (Elf64_External_Rela);
+ hppa_info->dlt_rel_sec->size += sizeof (Elf64_External_Rela);
/* If we are building a shared library, then every symbol that has an
opd entry will need an EPLT relocation to relocate the symbol's address
and __gp value based on the runtime load address. */
if (shared && dyn_h->want_opd)
- hppa_info->opd_rel_sec->_raw_size += sizeof (Elf64_External_Rela);
+ hppa_info->opd_rel_sec->size += sizeof (Elf64_External_Rela);
if (dyn_h->want_plt && dynamic_symbol)
{
else if (shared)
t = 2 * sizeof (Elf64_External_Rela);
- hppa_info->plt_rel_sec->_raw_size += t;
+ hppa_info->plt_rel_sec->size += t;
}
return TRUE;
/* 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;
return TRUE;
}
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);
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
below. */
s = bfd_get_section_by_name (dynobj, ".rela.dlt");
if (s != NULL)
- s->_raw_size = 0;
+ s->size = 0;
}
/* Allocate the GOT entries. */
data.ofs = 0x0;
elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table,
allocate_global_data_dlt, &data);
- hppa_info->dlt_sec->_raw_size = data.ofs;
+ hppa_info->dlt_sec->size = data.ofs;
data.ofs = 0x0;
elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table,
allocate_global_data_plt, &data);
- hppa_info->plt_sec->_raw_size = data.ofs;
+ hppa_info->plt_sec->size = data.ofs;
data.ofs = 0x0;
elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table,
allocate_global_data_stub, &data);
- hppa_info->stub_sec->_raw_size = data.ofs;
+ hppa_info->stub_sec->size = data.ofs;
}
/* Allocate space for entries in the .opd section. */
data.ofs = 0;
elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table,
allocate_global_data_opd, &data);
- hppa_info->opd_sec->_raw_size = data.ofs;
+ hppa_info->opd_sec->size = data.ofs;
}
/* Now allocate space for dynamic relocations, if necessary. */
if (strcmp (name, ".plt") == 0)
{
/* Strip this section if we don't need it; see the comment below. */
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
strip = TRUE;
}
else if (strcmp (name, ".dlt") == 0)
{
/* Strip this section if we don't need it; see the comment below. */
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
strip = TRUE;
}
else if (strcmp (name, ".opd") == 0)
{
/* Strip this section if we don't need it; see the comment below. */
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
strip = TRUE;
}
sections. The linker does that before adjust_dynamic_symbol
is called, and it is that function which decides whether
anything needs to go into these sections. */
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is mostly to handle .rela.bss and
garbage. */
if (s->contents == NULL)
{
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
- if (s->contents == NULL && s->_raw_size != 0)
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL && s->size != 0)
return FALSE;
}
}
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))
BFD_ASSERT (sdyn != NULL);
dyncon = (Elf64_External_Dyn *) sdyn->contents;
- dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
case DT_PLTRELSZ:
s = hppa_info->plt_rel_sec;
- dyn.d_un.d_val = s->_raw_size;
+ dyn.d_un.d_val = s->size;
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
case DT_RELA:
s = hppa_info->other_rel_sec;
- if (! s || ! s->_raw_size)
+ if (! s || ! s->size)
s = hppa_info->dlt_rel_sec;
- if (! s || ! s->_raw_size)
+ if (! s || ! s->size)
s = hppa_info->opd_rel_sec;
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
case DT_RELASZ:
s = hppa_info->other_rel_sec;
- dyn.d_un.d_val = s->_raw_size;
+ dyn.d_un.d_val = s->size;
s = hppa_info->dlt_rel_sec;
- dyn.d_un.d_val += s->_raw_size;
+ dyn.d_un.d_val += s->size;
s = hppa_info->opd_rel_sec;
- dyn.d_un.d_val += s->_raw_size;
+ dyn.d_un.d_val += s->size;
/* There is some question about whether or not the size of
the PLT relocs should be included here. HP's tools do
it, so we'll emulate them. */
s = hppa_info->plt_rel_sec;
- dyn.d_un.d_val += s->_raw_size;
+ dyn.d_un.d_val += s->size;
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
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 / deliverable / binutils-gdb.git / blobdiff