{
struct
{
- /* Number of times this entry is referenced. It is used to
- filter out unnecessary GOT slots in elf_m68k_gc_sweep_hook. */
+ /* Number of times this entry is referenced. */
bfd_vma refcount;
} s1;
struct
{
/* Offset from the start of .got section. To calculate offset relative
- to GOT pointer one should substract got->offset from this value. */
+ to GOT pointer one should subtract got->offset from this value. */
bfd_vma offset;
/* Pointer to the next GOT entry for this global symbol.
return was;
}
-/* Update GOT counters when removing an entry of type TYPE. */
-
-static void
-elf_m68k_remove_got_entry_type (struct elf_m68k_got *got,
- enum elf_m68k_reloc_type type)
-{
- enum elf_m68k_got_offset_size os;
- bfd_vma n_slots;
-
- n_slots = elf_m68k_reloc_got_n_slots (type);
-
- /* Decrese counter of slots with offset size corresponding to TYPE
- and all greater offset sizes. */
- for (os = elf_m68k_reloc_got_offset_size (type); os <= R_32; ++os)
- {
- BFD_ASSERT (got->n_slots[os] >= n_slots);
-
- got->n_slots[os] -= n_slots;
- }
-}
-
/* Add new or update existing entry to GOT.
H, ABFD, TYPE and SYMNDX is data for the entry.
INFO is a context where memory should be allocated. */
if (diff != NULL)
elf_m68k_clear_got (diff);
- return arg->error_p == FALSE ? 1 : 0;
+ return !arg->error_p;
}
/* Helper function to build symndx2h mapping. */
return TRUE;
}
-/* Specialized version of elf_m68k_get_got_entry that returns pointer
- to hashtable slot, thus allowing removal of entry via
- elf_m68k_remove_got_entry. */
-
-static struct elf_m68k_got_entry **
-elf_m68k_find_got_entry_ptr (struct elf_m68k_got *got,
- struct elf_m68k_got_entry_key *key)
-{
- void **ptr;
- struct elf_m68k_got_entry entry_;
- struct elf_m68k_got_entry **entry_ptr;
-
- entry_.key_ = *key;
- ptr = htab_find_slot (got->entries, &entry_, NO_INSERT);
- BFD_ASSERT (ptr != NULL);
-
- entry_ptr = (struct elf_m68k_got_entry **) ptr;
-
- return entry_ptr;
-}
-
-/* Remove entry pointed to by ENTRY_PTR from GOT. */
-
-static void
-elf_m68k_remove_got_entry (struct elf_m68k_got *got,
- struct elf_m68k_got_entry **entry_ptr)
-{
- struct elf_m68k_got_entry *entry;
-
- entry = *entry_ptr;
-
- /* Check that offsets have not been finalized yet. */
- BFD_ASSERT (got->offset == (bfd_vma) -1);
- /* Check that this entry is indeed unused. */
- BFD_ASSERT (entry->u.s1.refcount == 0);
-
- elf_m68k_remove_got_entry_type (got, entry->key_.type);
-
- if (entry->key_.bfd != NULL)
- got->local_n_slots -= elf_m68k_reloc_got_n_slots (entry->key_.type);
-
- BFD_ASSERT (got->n_slots[R_32] >= got->local_n_slots);
-
- htab_clear_slot (got->entries, (void **) entry_ptr);
-}
-
/* Copy any information related to dynamic linking from a pre-existing
symbol to a newly created symbol. Also called to copy flags and
other back-end info to a weakdef, in which case the symbol is not
/* If we are creating a shared library, we need to copy the
reloc into the shared library. */
- if (bfd_link_pic (info))
+ if (bfd_link_pic (info)
+ && (h == NULL
+ || !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)))
{
/* When creating a shared object, we must copy these
reloc types into the output file. We create a reloc
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-
-/* Update the got entry reference counts for the section being removed. */
-
-static bfd_boolean
-elf_m68k_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- const Elf_Internal_Rela *rel, *relend;
- bfd *dynobj;
- struct elf_m68k_got *got;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- dynobj = elf_hash_table (info)->dynobj;
- if (dynobj == NULL)
- return TRUE;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- got = NULL;
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h = NULL;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- 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;
- }
-
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_68K_GOT8:
- case R_68K_GOT16:
- case R_68K_GOT32:
- if (h != NULL
- && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
-
- /* FALLTHRU */
- case R_68K_GOT8O:
- case R_68K_GOT16O:
- case R_68K_GOT32O:
- /* Fall through. */
-
- /* TLS relocations. */
- case R_68K_TLS_GD8:
- case R_68K_TLS_GD16:
- case R_68K_TLS_GD32:
- case R_68K_TLS_LDM8:
- case R_68K_TLS_LDM16:
- case R_68K_TLS_LDM32:
- case R_68K_TLS_IE8:
- case R_68K_TLS_IE16:
- case R_68K_TLS_IE32:
-
- case R_68K_TLS_TPREL32:
- case R_68K_TLS_DTPREL32:
-
- if (got == NULL)
- {
- got = elf_m68k_get_bfd2got_entry (elf_m68k_multi_got (info),
- abfd, MUST_FIND, NULL)->got;
- BFD_ASSERT (got != NULL);
- }
-
- {
- struct elf_m68k_got_entry_key key_;
- struct elf_m68k_got_entry **got_entry_ptr;
- struct elf_m68k_got_entry *got_entry;
-
- elf_m68k_init_got_entry_key (&key_, h, abfd, r_symndx,
- ELF32_R_TYPE (rel->r_info));
- got_entry_ptr = elf_m68k_find_got_entry_ptr (got, &key_);
-
- got_entry = *got_entry_ptr;
-
- if (got_entry->u.s1.refcount > 0)
- {
- --got_entry->u.s1.refcount;
-
- if (got_entry->u.s1.refcount == 0)
- /* We don't need the .got entry any more. */
- elf_m68k_remove_got_entry (got, got_entry_ptr);
- }
- }
- break;
-
- case R_68K_PLT8:
- case R_68K_PLT16:
- case R_68K_PLT32:
- case R_68K_PLT8O:
- case R_68K_PLT16O:
- case R_68K_PLT32O:
- case R_68K_PC8:
- case R_68K_PC16:
- case R_68K_PC32:
- case R_68K_8:
- case R_68K_16:
- case R_68K_32:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- --h->plt.refcount;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
\f
/* Return the type of PLT associated with OUTPUT_BFD. */
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
&& (h->needs_plt
- || h->u.weakdef != NULL
+ || h->is_weakalias
|| (h->def_dynamic
&& h->ref_regular
&& !h->def_regular)));
{
if ((h->plt.refcount <= 0
|| SYMBOL_CALLS_LOCAL (info, h)
- || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ || ((ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
&& h->root.type == bfd_link_hash_undefweak))
/* We must always create the plt entry if it was referenced
by a PLTxxO relocation. In this case we already recorded
/* 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->u.weakdef != NULL)
+ if (h->is_weakalias)
{
- 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;
+ struct elf_link_hash_entry *def = weakdef (h);
+ BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+ h->root.u.def.section = def->root.u.def.section;
+ h->root.u.def.value = def->root.u.def.value;
return TRUE;
}
bfd_vma relocation;
bfd_boolean unresolved_reloc;
bfd_reloc_status_type r;
+ bfd_boolean resolved_to_zero;
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type < 0 || r_type >= (int) R_68K_max)
if (bfd_link_relocatable (info))
continue;
+ resolved_to_zero = (h != NULL
+ && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
+
switch (r_type)
{
case R_68K_GOT8:
h)
|| (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h))
- || (ELF_ST_VISIBILITY (h->other)
+ || ((ELF_ST_VISIBILITY (h->other)
+ || resolved_to_zero)
&& h->root.type == bfd_link_hash_undefweak))
{
/* This is actually a static link, or it is a
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B(%A+0x%lx): R_68K_TLS_LE32 relocation not permitted "
- "in shared object"),
- input_bfd, input_section, (long) rel->r_offset, howto->name);
+ (_("%B(%A+%#Lx): %s relocation not permitted in shared object"),
+ input_bfd, input_section, rel->r_offset, howto->name);
return FALSE;
}
&& r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0
&& (h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak)
&& ((r_type != R_68K_PC8
&& r_type != R_68K_PC16
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
+ (_("%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);
return FALSE;
_bfd_error_handler
((sym_type == STT_TLS
/* xgettext:c-format */
- ? _("%B(%A+0x%lx): %s used with TLS symbol %s")
+ ? _("%B(%A+%#Lx): %s used with TLS symbol %s")
/* xgettext:c-format */
- : _("%B(%A+0x%lx): %s used with non-TLS symbol %s")),
+ : _("%B(%A+%#Lx): %s used with non-TLS symbol %s")),
input_bfd,
input_section,
- (long) rel->r_offset,
+ rel->r_offset,
howto->name,
name);
}
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B(%A+0x%lx): reloc against `%s': error %d"),
+ (_("%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;
}
}
#define elf_backend_finish_dynamic_sections \
elf_m68k_finish_dynamic_sections
#define elf_backend_gc_mark_hook elf_m68k_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf_m68k_gc_sweep_hook
#define elf_backend_copy_indirect_symbol elf_m68k_copy_indirect_symbol
#define bfd_elf32_bfd_merge_private_bfd_data \
elf32_m68k_merge_private_bfd_data
#define elf_backend_rela_normal 1
#define elf_backend_dtrel_excludes_plt 1
+#define elf_backend_linux_prpsinfo32_ugid16 TRUE
+
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff