/* Alpha specific support for 64-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@tamu.edu>.
static bfd_boolean elf64_alpha_section_from_shdr
PARAMS ((bfd *, Elf_Internal_Shdr *, const char *));
static bfd_boolean elf64_alpha_section_flags
- PARAMS ((flagword *, Elf_Internal_Shdr *));
+ PARAMS ((flagword *, const Elf_Internal_Shdr *));
static bfd_boolean elf64_alpha_fake_sections
PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
static bfd_boolean elf64_alpha_create_got_section
static bfd_boolean elf64_alpha_size_rela_got_1
PARAMS ((struct alpha_elf_link_hash_entry *, struct bfd_link_info *));
static bfd_boolean elf64_alpha_add_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
+ PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Sym *,
const char **, flagword *, asection **, bfd_vma *));
static struct alpha_elf_got_entry *get_got_entry
PARAMS ((bfd *, struct alpha_elf_link_hash_entry *, unsigned long,
elf64_alpha_object_p (abfd)
bfd *abfd;
{
- /* Allocate our special target data. */
- struct alpha_elf_obj_tdata *new_tdata;
- bfd_size_type amt = sizeof (struct alpha_elf_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 Alpha ELF file. */
return bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0);
}
(r_type == R_ALPHA_TLSGD || r_type == R_ALPHA_TLSLDM ? 16 : 8)
/* This is PT_TLS segment p_vaddr. */
-#define alpha_get_dtprel_base(tlss) \
- ((tlss)->start)
+#define alpha_get_dtprel_base(info) \
+ (elf_hash_table (info)->tls_sec->vma)
/* Main program TLS (whose template starts at PT_TLS p_vaddr)
is assigned offset round(16, PT_TLS p_align). */
-#define alpha_get_tprel_base(tlss) \
- ((tlss)->start - align_power ((bfd_vma) 16, (tlss)->align))
+#define alpha_get_tprel_base(info) \
+ (elf_hash_table (info)->tls_sec->vma \
+ - align_power ((bfd_vma) 16, \
+ elf_hash_table (info)->tls_sec->alignment_power))
\f
/* These functions do relaxation for Alpha ELF.
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *relocs, *relend;
struct bfd_link_info *link_info;
- struct elf_link_tls_segment *tls_segment;
bfd_vma gp;
bfd *gotobj;
asection *tsec;
static bfd_boolean elf64_alpha_relax_tls_get_addr
PARAMS((struct alpha_relax_info *info, bfd_vma symval,
Elf_Internal_Rela *irel, bfd_boolean));
-static struct elf_link_tls_segment *elf64_alpha_relax_find_tls_segment
- PARAMS((struct alpha_relax_info *, struct elf_link_tls_segment *));
static bfd_boolean elf64_alpha_relax_section
PARAMS((bfd *abfd, asection *sec, struct bfd_link_info *link_info,
bfd_boolean *again));
{
bfd_vma dtp_base, tp_base;
- BFD_ASSERT (info->tls_segment != NULL);
- dtp_base = alpha_get_dtprel_base (info->tls_segment);
- tp_base = alpha_get_tprel_base (info->tls_segment);
+ BFD_ASSERT (elf_hash_table (info->link_info)->tls_sec != NULL);
+ dtp_base = alpha_get_dtprel_base (info->link_info);
+ tp_base = alpha_get_tprel_base (info->link_info);
disp = symval - (r_type == R_ALPHA_GOTDTPREL ? dtp_base : tp_base);
}
bfd_vma tp_base;
bfd_signed_vma disp;
- BFD_ASSERT (info->tls_segment != NULL);
- tp_base = alpha_get_tprel_base (info->tls_segment);
+ BFD_ASSERT (elf_hash_table (info->link_info)->tls_sec != NULL);
+ tp_base = alpha_get_tprel_base (info->link_info);
disp = symval - tp_base;
if (disp >= -0x8000 && disp < 0x8000)
return TRUE;
}
-static struct elf_link_tls_segment *
-elf64_alpha_relax_find_tls_segment (info, seg)
- struct alpha_relax_info *info;
- struct elf_link_tls_segment *seg;
-{
- bfd *output_bfd = info->sec->output_section->owner;
- asection *o;
- unsigned int align;
- bfd_vma base, end;
-
- for (o = output_bfd->sections; o ; o = o->next)
- if ((o->flags & SEC_THREAD_LOCAL) != 0
- && (o->flags & SEC_LOAD) != 0)
- break;
- if (!o)
- return NULL;
-
- base = o->vma;
- align = 0;
-
- do
- {
- bfd_vma size;
-
- if (bfd_get_section_alignment (output_bfd, o) > align)
- align = bfd_get_section_alignment (output_bfd, o);
-
- size = o->_raw_size;
- if (size == 0 && (o->flags & SEC_HAS_CONTENTS) == 0)
- {
- struct bfd_link_order *lo;
- for (lo = o->link_order_head; lo ; lo = lo->next)
- if (size < lo->offset + lo->size)
- size = lo->offset + lo->size;
- }
- end = o->vma + size;
- o = o->next;
- }
- while (o && (o->flags & SEC_THREAD_LOCAL));
-
- seg->start = base;
- seg->size = end - base;
- seg->align = align;
-
- return seg;
-}
-
static bfd_boolean
elf64_alpha_relax_section (abfd, sec, link_info, again)
bfd *abfd;
Elf_Internal_Sym *isymbuf = NULL;
struct alpha_elf_got_entry **local_got_entries;
struct alpha_relax_info info;
- struct elf_link_tls_segment tls_segment;
/* We are not currently changing any sizes, so only one pass. */
*again = FALSE;
goto error_return;
}
- /* Compute the TLS segment information. The version normally found in
- elf_hash_table (link_info)->tls_segment isn't built until final_link.
- ??? Probably should look into extracting this into a common function. */
- info.tls_segment = elf64_alpha_relax_find_tls_segment (&info, &tls_segment);
-
for (irel = internal_relocs; irel < irelend; irel++)
{
bfd_vma symval;
if (r_type == R_ALPHA_TLSLDM)
{
info.tsec = bfd_abs_section_ptr;
- symval = alpha_get_tprel_base (info.tls_segment);
+ symval = alpha_get_tprel_base (info.link_info);
}
else
{
static bfd_boolean
elf64_alpha_section_flags (flags, hdr)
flagword *flags;
- Elf_Internal_Shdr *hdr;
+ const Elf_Internal_Shdr *hdr;
{
if (hdr->sh_flags & SHF_ALPHA_GPREL)
*flags |= SEC_SMALL_DATA;
elf64_alpha_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
bfd *abfd;
struct bfd_link_info *info;
- const Elf_Internal_Sym *sym;
+ Elf_Internal_Sym *sym;
const char **namep ATTRIBUTE_UNUSED;
flagword *flagsp ATTRIBUTE_UNUSED;
asection **secp;
h->type = STT_OBJECT;
if (info->shared
- && ! _bfd_elf_link_record_dynamic_symbol (info, h))
+ && ! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
s = bfd_make_section (abfd, ".rela.plt");
h->type = STT_OBJECT;
if (info->shared
- && ! _bfd_elf_link_record_dynamic_symbol (info, h))
+ && ! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
elf_hash_table (info)->hgot = h;
#undef READ
debug->fdr = NULL;
- debug->adjust = NULL;
return TRUE;
struct alpha_elf_link_hash_entry *h;
PTR arg ATTRIBUTE_UNUSED;
{
+ bfd_boolean result = TRUE;
struct alpha_elf_got_entry *gotent;
if (h->root.root.type == bfd_link_hash_warning)
for (gotent = h->got_entries; gotent; gotent = gotent->next)
if (gotent->use_count > 0)
{
- bfd_size_type *plge
- = &alpha_elf_tdata (gotent->gotobj)->got->_raw_size;
+ struct alpha_elf_obj_tdata *td;
+ bfd_size_type *plge;
+ td = alpha_elf_tdata (gotent->gotobj);
+ if (td == NULL)
+ {
+ _bfd_error_handler (_("Symbol %s has no GOT subsection for offset 0x%x"),
+ h->root.root.root.string, gotent->got_offset);
+ result = FALSE;
+ continue;
+ }
+ plge = &td->got->_raw_size;
gotent->got_offset = *plge;
*plge += alpha_got_entry_size (gotent->reloc_type);
}
- return TRUE;
+ return result;
}
static void
if (this_got == NULL)
continue;
- /* We are assuming no merging has yet ocurred. */
+ /* We are assuming no merging has yet occurred. */
BFD_ASSERT (this_got == i);
if (alpha_elf_tdata (this_got)->total_got_size > MAX_GOT_SIZE)
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_elf64_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
if (info->executable)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
- struct elf_link_tls_segment *tls_segment;
asection *sgot, *srel, *srelgot;
bfd *dynobj, *gotobj;
bfd_vma gp, tp_base, dtp_base;
local_got_entries = alpha_elf_tdata(input_bfd)->local_got_entries;
- tls_segment = elf_hash_table (info)->tls_segment;
- if (tls_segment)
+ if (elf_hash_table (info)->tls_sec != NULL)
{
- dtp_base = alpha_get_dtprel_base (tls_segment);
- tp_base = alpha_get_tprel_base (tls_segment);
+ dtp_base = alpha_get_dtprel_base (info);
+ tp_base = alpha_get_tprel_base (info);
}
else
dtp_base = tp_base = 0;
if (r_symndx < symtab_hdr->sh_info)
{
+ asection *msec;
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
- value = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
+ msec = sec;
+ value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel);
/* If this is a tp-relative relocation against sym 0,
this is hackery from relax_section. Force the value to
&& !gotent->reloc_xlated)
{
struct alpha_elf_got_entry *ent;
- asection *msec;
for (ent = gotent; ent; ent = ent->next)
{
_bfd_merged_section_offset (output_bfd, &msec,
elf_section_data (sec)->
sec_info,
- sym->st_value + ent->addend,
- (bfd_vma) 0);
+ sym->st_value + ent->addend);
ent->addend -= sym->st_value;
ent->addend += msec->output_section->vma
+ msec->output_offset
bfd_boolean warned;
bfd_boolean unresolved_reloc;
struct elf_link_hash_entry *hh;
-
- RELOC_FOR_GLOBAL_SYMBOL (hh,
- (struct elf_link_hash_entry *) alpha_elf_sym_hashes (input_bfd),
- r_symndx, symtab_hdr, value,
- sec, unresolved_reloc, info,
- warned);
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ hh, sec, value,
+ unresolved_reloc, warned);
if (warned)
continue;
}
else if (r_type == R_ALPHA_DTPREL64)
{
- BFD_ASSERT(tls_segment != NULL);
+ BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL);
value -= dtp_base;
goto default_reloc;
}
else if (r_type == R_ALPHA_TPREL64)
{
- BFD_ASSERT(tls_segment != NULL);
+ BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL);
if (!info->shared)
{
value -= tp_base;
value = 0;
else
{
- BFD_ASSERT(tls_segment != NULL);
+ BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL);
value -= dtp_base;
}
bfd_put_64 (output_bfd, value,
bfd_archive_filename (input_bfd), h->root.root.root.string);
ret_val = FALSE;
}
- BFD_ASSERT(tls_segment != NULL);
+ BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL);
value -= dtp_base;
if (r_type == R_ALPHA_DTPRELHI)
value = ((bfd_signed_vma) value >> 16) + ((value >> 15) & 1);
bfd_archive_filename (input_bfd), h->root.root.root.string);
ret_val = FALSE;
}
- BFD_ASSERT(tls_segment != NULL);
+ BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL);
value -= tp_base;
if (r_type == R_ALPHA_TPRELHI)
value = ((bfd_signed_vma) value >> 16) + ((value >> 15) & 1);
value = 0;
else
{
- BFD_ASSERT(tls_segment != NULL);
+ BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL);
if (r_type == R_ALPHA_GOTDTPREL)
value -= dtp_base;
else if (!info->shared)
}
/* Invoke the regular ELF backend linker to do all the work. */
- if (! bfd_elf64_bfd_final_link (abfd, info))
+ if (! bfd_elf_final_link (abfd, info))
return FALSE;
/* Now write out the computed sections. */
#define elf_backend_plt_readonly 0
#define elf_backend_want_plt_sym 1
#define elf_backend_got_header_size 0
-#define elf_backend_plt_header_size PLT_HEADER_SIZE
#include "elf64-target.h"
\f