- if (output_bfd != (bfd *) NULL
- && (symbol->flags & BSF_SECTION_SYM) == 0
- && (! howto->partial_inplace
- || reloc_entry->addend == 0))
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
-
- /* This works because partial_inplace is FALSE. */
- if (output_bfd != NULL)
- return bfd_reloc_continue;
-
- if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
- return bfd_reloc_outofrange;
-
- relocation = (symbol->value
- + symbol->section->output_section->vma
- + symbol->section->output_offset);
- relocation += reloc_entry->addend;
- if (howto->pc_relative)
- {
- relocation -= (input_section->output_section->vma
- + input_section->output_offset);
- relocation -= reloc_entry->address;
- }
-
- *prelocation = relocation;
- *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
- return bfd_reloc_other;
-}
-
-/* For unsupported relocs. */
-
-static bfd_reloc_status_type
-sparc_elf_notsup_reloc (abfd,
- reloc_entry,
- symbol,
- data,
- input_section,
- output_bfd,
- error_message)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *reloc_entry ATTRIBUTE_UNUSED;
- asymbol *symbol ATTRIBUTE_UNUSED;
- PTR data ATTRIBUTE_UNUSED;
- asection *input_section ATTRIBUTE_UNUSED;
- bfd *output_bfd ATTRIBUTE_UNUSED;
- char **error_message ATTRIBUTE_UNUSED;
-{
- return bfd_reloc_notsupported;
-}
-
-/* Handle the WDISP16 reloc. */
-
-static bfd_reloc_status_type
-sparc_elf_wdisp16_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
-{
- bfd_vma relocation;
- bfd_vma insn;
- bfd_reloc_status_type status;
-
- status = init_insn_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, &relocation, &insn);
- if (status != bfd_reloc_other)
- return status;
-
- insn &= ~ (bfd_vma) 0x303fff;
- insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
-
- if ((bfd_signed_vma) relocation < - 0x40000
- || (bfd_signed_vma) relocation > 0x3ffff)
- return bfd_reloc_overflow;
- else
- return bfd_reloc_ok;
-}
-
-/* Handle the HIX22 reloc. */
-
-static bfd_reloc_status_type
-sparc_elf_hix22_reloc (abfd,
- reloc_entry,
- symbol,
- data,
- input_section,
- output_bfd,
- error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
-{
- bfd_vma relocation;
- bfd_vma insn;
- bfd_reloc_status_type status;
-
- status = init_insn_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, &relocation, &insn);
- if (status != bfd_reloc_other)
- return status;
-
- relocation ^= MINUS_ONE;
- insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
-
- if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
- return bfd_reloc_overflow;
- else
- return bfd_reloc_ok;
-}
-
-/* Handle the LOX10 reloc. */
-
-static bfd_reloc_status_type
-sparc_elf_lox10_reloc (abfd,
- reloc_entry,
- symbol,
- data,
- input_section,
- output_bfd,
- error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
-{
- bfd_vma relocation;
- bfd_vma insn;
- bfd_reloc_status_type status;
-
- status = init_insn_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, &relocation, &insn);
- if (status != bfd_reloc_other)
- return status;
-
- insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
-
- return bfd_reloc_ok;
-}
-\f
-/* PLT/GOT stuff */
-
-/* Both the headers and the entries are icache aligned. */
-#define PLT_ENTRY_SIZE 32
-#define PLT_HEADER_SIZE (4 * PLT_ENTRY_SIZE)
-#define LARGE_PLT_THRESHOLD 32768
-#define GOT_RESERVED_ENTRIES 1
-
-#define ELF_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
-
-#define SPARC_NOP 0x01000000
-
-static int
-sparc64_plt_entry_build (output_bfd, splt, offset, max, r_offset)
- bfd *output_bfd;
- asection *splt;
- bfd_vma offset;
- bfd_vma max;
- bfd_vma *r_offset;
-{
- unsigned char *entry = splt->contents + offset;
- const unsigned int nop = SPARC_NOP;
- int index;
-
- if (offset < (LARGE_PLT_THRESHOLD * PLT_ENTRY_SIZE))
- {
- unsigned int sethi, ba;
-
- *r_offset = offset;
-
- index = (offset / PLT_ENTRY_SIZE);
-
- sethi = 0x03000000 | (index * PLT_ENTRY_SIZE);
- ba = 0x30680000
- | (((splt->contents + PLT_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
-
- bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
- bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
- }
- else
- {
- unsigned char *ptr;
- unsigned int ldx;
- int block, last_block, ofs, last_ofs, chunks_this_block;
- const int insn_chunk_size = (6 * 4);
- const int ptr_chunk_size = (1 * 8);
- const int entries_per_block = 160;
- const int block_size = entries_per_block * (insn_chunk_size
- + ptr_chunk_size);
-
- /* Entries 32768 and higher are grouped into blocks of 160.
- The blocks are further subdivided into 160 sequences of
- 6 instructions and 160 pointers. If a block does not require
- the full 160 entries, let's say it requires N, then there
- will be N sequences of 6 instructions and N pointers. */
-
- offset -= (LARGE_PLT_THRESHOLD * PLT_ENTRY_SIZE);
- max -= (LARGE_PLT_THRESHOLD * PLT_ENTRY_SIZE);
-
- block = offset / block_size;
- last_block = max / block_size;
- if (block != last_block)
- {
- chunks_this_block = 160;
- }
- else
- {
- last_ofs = max % block_size;
- chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
- }
-
- ofs = offset % block_size;
-
- index = (LARGE_PLT_THRESHOLD +
- (block * 160) +
- (ofs / insn_chunk_size));
-
- ptr = splt->contents
- + (LARGE_PLT_THRESHOLD * PLT_ENTRY_SIZE)
- + (block * block_size)
- + (chunks_this_block * insn_chunk_size)
- + (ofs / insn_chunk_size) * ptr_chunk_size;
-
- *r_offset = (bfd_vma) (ptr - splt->contents);
-
- ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
-
- /* mov %o7,%g5
- call .+8
- nop
- ldx [%o7+P],%g1
- jmpl %o7+%g1,%g1
- mov %g5,%o7 */
- bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
- bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
- bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
- bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
- bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
- bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
-
- bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
- }
-
- return index - 4;
-}
-\f
-/* Look through the relocs for a section during the first phase, and
- allocate space in the global offset table or procedure linkage
- table. */
-
-static bfd_boolean
-sparc64_elf_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
-{
- struct sparc64_elf_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_vma *local_got_offsets;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
- asection *sreloc;
-
- if (info->relocatable || !(sec->flags & SEC_ALLOC))
- return TRUE;
-
- htab = sparc64_elf_hash_table (info);
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_offsets = elf_local_got_offsets (abfd);
-
- sreloc = NULL;
-
- rel_end = relocs + NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr);
- for (rel = relocs; rel < rel_end; rel++)
- {
- unsigned int r_type;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
-
- r_symndx = ELF64_R_SYM (rel->r_info);
- r_type = ELF64_R_TYPE_ID (rel->r_info);
-
- if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
- {
- (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
- abfd, r_symndx);
- return FALSE;
- }
-
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-
- r_type = sparc64_elf_tls_transition (info, r_type, h == NULL);
- switch (r_type)
- {
- case R_SPARC_TLS_LDM_HI22:
- case R_SPARC_TLS_LDM_LO10:
- htab->tls_ldm_got.refcount += 1;
- break;
-
- case R_SPARC_TLS_LE_HIX22:
- case R_SPARC_TLS_LE_LOX10:
- if (info->shared)
- goto r_sparc_plt32;
- break;
-
- case R_SPARC_TLS_IE_HI22:
- case R_SPARC_TLS_IE_LO10:
- if (info->shared)
- info->flags |= DF_STATIC_TLS;
- /* Fall through */
-
- case R_SPARC_GOT10:
- case R_SPARC_GOT13:
- case R_SPARC_GOT22:
- case R_SPARC_TLS_GD_HI22:
- case R_SPARC_TLS_GD_LO10:
- /* This symbol requires a global offset table entry. */
- {
- int tls_type, old_tls_type;
-
- switch (r_type)
- {
- default:
- case R_SPARC_GOT10:
- case R_SPARC_GOT13:
- case R_SPARC_GOT22:
- tls_type = GOT_NORMAL;
- break;
- case R_SPARC_TLS_GD_HI22:
- case R_SPARC_TLS_GD_LO10:
- tls_type = GOT_TLS_GD;
- break;
- case R_SPARC_TLS_IE_HI22:
- case R_SPARC_TLS_IE_LO10:
- tls_type = GOT_TLS_IE;
- break;
- }
-
- if (h != NULL)
- {
- h->got.refcount += 1;
- old_tls_type = sparc64_elf_hash_entry(h)->tls_type;
- }
- else
- {
- bfd_signed_vma *local_got_refcounts;
-
- /* This is a global offset table entry for a local symbol. */
- local_got_refcounts = elf_local_got_refcounts (abfd);
- if (local_got_refcounts == NULL)
- {
- bfd_size_type size;
-
- size = symtab_hdr->sh_info;
- size *= (sizeof (bfd_signed_vma) + sizeof(char));
- local_got_refcounts = ((bfd_signed_vma *)
- bfd_zalloc (abfd, size));
- if (local_got_refcounts == NULL)
- return FALSE;
- elf_local_got_refcounts (abfd) = local_got_refcounts;
- sparc64_elf_local_got_tls_type (abfd)
- = (char *) (local_got_refcounts + symtab_hdr->sh_info);
- }
- local_got_refcounts[r_symndx] += 1;
- old_tls_type = sparc64_elf_local_got_tls_type (abfd) [r_symndx];
- }
-
- /* If a TLS symbol is accessed using IE at least once,
- there is no point to use dynamic model for it. */
- if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
- && (old_tls_type != GOT_TLS_GD
- || tls_type != GOT_TLS_IE))
- {
- if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
- tls_type = old_tls_type;
- else
- {
- (*_bfd_error_handler)
- (_("%B: `%s' accessed both as normal and thread local symbol"),
- abfd, h ? h->root.root.string : "<local>");
- return FALSE;
- }
- }
-
- if (old_tls_type != tls_type)
- {
- if (h != NULL)
- sparc64_elf_hash_entry (h)->tls_type = tls_type;
- else
- sparc64_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
- }
- }
-
- if (htab->sgot == NULL)
- {
- if (htab->elf.dynobj == NULL)
- htab->elf.dynobj = abfd;
- if (!create_got_section (htab->elf.dynobj, info))
- return FALSE;
- }
- break;
-
- case R_SPARC_TLS_GD_CALL:
- case R_SPARC_TLS_LDM_CALL:
- if (info->shared)
- {
- /* These are basically R_SPARC_TLS_WPLT30 relocs against
- __tls_get_addr. */
- struct bfd_link_hash_entry *bh = NULL;
- if (! _bfd_generic_link_add_one_symbol (info, abfd,
- "__tls_get_addr", 0,
- bfd_und_section_ptr, 0,
- NULL, FALSE, FALSE,
- &bh))
- return FALSE;
- h = (struct elf_link_hash_entry *) bh;
- }
- else
- break;
- /* Fall through */
-
- case R_SPARC_PLT32:
- case R_SPARC_WPLT30:
- case R_SPARC_HIPLT22:
- case R_SPARC_LOPLT10:
- case R_SPARC_PCPLT32:
- case R_SPARC_PCPLT22:
- case R_SPARC_PCPLT10:
- case R_SPARC_PLT64:
- /* This symbol requires a procedure linkage table entry. We
- actually build the entry in adjust_dynamic_symbol,
- because this might be a case of linking PIC code without
- linking in any dynamic objects, in which case we don't
- need to generate a procedure linkage table after all. */
-
- if (h == NULL)
- {
- /* It does not make sense to have a procedure linkage
- table entry for a local symbol. */
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- h->needs_plt = 1;
-
- if (ELF64_R_TYPE_ID (rel->r_info) == R_SPARC_PLT32
- || ELF64_R_TYPE_ID (rel->r_info) == R_SPARC_PLT64)
- goto r_sparc_plt32;
- h->plt.refcount += 1;
- break;
-
- case R_SPARC_PC10:
- case R_SPARC_PC22:
- case R_SPARC_PC_HH22:
- case R_SPARC_PC_HM10:
- case R_SPARC_PC_LM22:
- if (h != NULL)
- h->non_got_ref = 1;
-
- if (h != NULL
- && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* Fall through. */
-
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_DISP64:
- case R_SPARC_WDISP30:
- case R_SPARC_WDISP22:
- case R_SPARC_WDISP19:
- case R_SPARC_WDISP16:
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
- case R_SPARC_HI22:
- case R_SPARC_22:
- case R_SPARC_13:
- case R_SPARC_LO10:
- case R_SPARC_UA16:
- case R_SPARC_UA32:
- case R_SPARC_10:
- case R_SPARC_11:
- case R_SPARC_64:
- case R_SPARC_OLO10:
- case R_SPARC_HH22:
- case R_SPARC_HM10:
- case R_SPARC_LM22:
- case R_SPARC_7:
- case R_SPARC_5:
- case R_SPARC_6:
- case R_SPARC_HIX22:
- case R_SPARC_LOX10:
- case R_SPARC_H44:
- case R_SPARC_M44:
- case R_SPARC_L44:
- case R_SPARC_UA64:
- if (h != NULL)
- h->non_got_ref = 1;
-
- r_sparc_plt32:
- if (h != NULL && !info->shared)
- {
- /* We may need a .plt entry if the function this reloc
- refers to is in a shared lib. */
- h->plt.refcount += 1;
- }
-
- /* If we are creating a shared library, and this is a reloc
- against a global symbol, or a non PC relative reloc
- against a local symbol, then we need to copy the reloc
- into the shared library. However, if we are linking with
- -Bsymbolic, we do not need to copy a reloc against a
- global symbol which is defined in an object we are
- including in the link (i.e., DEF_REGULAR is set). At
- this point we have not seen all the input files, so it is
- possible that DEF_REGULAR is not set now but will be set
- later (it is never cleared). In case of a weak definition,
- DEF_REGULAR may be cleared later by a strong definition in
- a shared library. We account for that possibility below by
- storing information in the relocs_copied field of the hash
- table entry. A similar situation occurs when creating
- shared libraries and symbol visibility changes render the
- symbol local.
-
- If on the other hand, we are creating an executable, we
- may need to keep relocations for symbols satisfied by a
- dynamic library if we manage to avoid copy relocs for the
- symbol. */
- if ((info->shared
- && (sec->flags & SEC_ALLOC) != 0
- && (! sparc64_elf_howto_table[r_type].pc_relative
- || (h != NULL
- && (! info->symbolic
- || h->root.type == bfd_link_hash_defweak
- || !h->def_regular))))
- || (!info->shared
- && (sec->flags & SEC_ALLOC) != 0
- && h != NULL
- && (h->root.type == bfd_link_hash_defweak
- || !h->def_regular)))
- {
- struct sparc64_elf_dyn_relocs *p;
- struct sparc64_elf_dyn_relocs **head;
-
- /* When creating a shared object, we must copy these
- relocs into the output file. We create a reloc
- section in dynobj and make room for the reloc. */
- if (sreloc == NULL)
- {
- const char *name;
- bfd *dynobj;
-
- name = (bfd_elf_string_from_elf_section
- (abfd,
- elf_elfheader (abfd)->e_shstrndx,
- elf_section_data (sec)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
-
- BFD_ASSERT (strncmp (name, ".rela", 5) == 0
- && strcmp (bfd_get_section_name (abfd, sec),
- name + 5) == 0);
-
- if (htab->elf.dynobj == NULL)
- htab->elf.dynobj = abfd;
- dynobj = htab->elf.dynobj;
-
- sreloc = bfd_get_section_by_name (dynobj, name);
- if (sreloc == NULL)
- {
- flagword flags;
-
- sreloc = bfd_make_section (dynobj, name);
- flags = (SEC_HAS_CONTENTS | SEC_READONLY
- | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- if ((sec->flags & SEC_ALLOC) != 0)
- flags |= SEC_ALLOC | SEC_LOAD;
- if (sreloc == NULL
- || ! bfd_set_section_flags (dynobj, sreloc, flags)
- || ! bfd_set_section_alignment (dynobj, sreloc, 3))
- return FALSE;
- }
- elf_section_data (sec)->sreloc = sreloc;
- }
-
- /* If this is a global symbol, we count the number of
- relocations we need for this symbol. */
- if (h != NULL)
- head = &((struct sparc64_elf_link_hash_entry *) h)->dyn_relocs;
- else
- {
- /* Track dynamic relocs needed for local syms too.
- We really need local syms available to do this
- easily. Oh well. */
-
- asection *s;
- s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
- sec, r_symndx);
- if (s == NULL)
- return FALSE;
-
- head = ((struct sparc64_elf_dyn_relocs **)
- &elf_section_data (s)->local_dynrel);
- }
-
- p = *head;
- if (p == NULL || p->sec != sec)
- {
- bfd_size_type amt = sizeof *p;
- p = ((struct sparc64_elf_dyn_relocs *)
- bfd_alloc (htab->elf.dynobj, amt));
- if (p == NULL)
- return FALSE;
- p->next = *head;
- *head = p;
- p->sec = sec;
- p->count = 0;
- p->pc_count = 0;
- }
-
- p->count += 1;
- if (sparc64_elf_howto_table[r_type].pc_relative)
- p->pc_count += 1;
- }
-
- break;
-
- case R_SPARC_REGISTER:
- /* Nothing to do. */
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
-/* Hook called by the linker routine which adds symbols from an object
- file. We use it for STT_REGISTER symbols. */
-
-static bfd_boolean
-sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
- bfd *abfd;
- struct bfd_link_info *info;
- Elf_Internal_Sym *sym;
- const char **namep;
- flagword *flagsp ATTRIBUTE_UNUSED;
- asection **secp ATTRIBUTE_UNUSED;
- bfd_vma *valp ATTRIBUTE_UNUSED;
-{
- static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" };
-
- if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER)
- {
- int reg;
- struct sparc64_elf_app_reg *p;
-
- reg = (int)sym->st_value;
- switch (reg & ~1)
- {
- case 2: reg -= 2; break;
- case 6: reg -= 4; break;
- default:
- (*_bfd_error_handler)
- (_("%B: Only registers %%g[2367] can be declared using STT_REGISTER"),
- abfd);
- return FALSE;
- }
-
- if (info->hash->creator != abfd->xvec
- || (abfd->flags & DYNAMIC) != 0)
- {
- /* STT_REGISTER only works when linking an elf64_sparc object.
- If STT_REGISTER comes from a dynamic object, don't put it into
- the output bfd. The dynamic linker will recheck it. */
- *namep = NULL;
- return TRUE;
- }
-
- p = sparc64_elf_hash_table(info)->app_regs + reg;
-
- if (p->name != NULL && strcmp (p->name, *namep))
- {
- (*_bfd_error_handler)
- (_("Register %%g%d used incompatibly: %s in %B, previously %s in %B"),
- abfd, p->abfd, (int) sym->st_value,
- **namep ? *namep : "#scratch",
- *p->name ? p->name : "#scratch");
- return FALSE;
- }
-
- if (p->name == NULL)
- {
- if (**namep)
- {
- struct elf_link_hash_entry *h;
-
- h = (struct elf_link_hash_entry *)
- bfd_link_hash_lookup (info->hash, *namep, FALSE, FALSE, FALSE);
-
- if (h != NULL)
- {
- unsigned char type = h->type;
-
- if (type > STT_FUNC)
- type = 0;
- (*_bfd_error_handler)
- (_("Symbol `%s' has differing types: REGISTER in %B, previously %s in %B"),
- abfd, p->abfd, *namep, stt_types[type]);
- return FALSE;
- }
-
- p->name = bfd_hash_allocate (&info->hash->table,
- strlen (*namep) + 1);
- if (!p->name)
- return FALSE;
-
- strcpy (p->name, *namep);
- }
- else
- p->name = "";
- p->bind = ELF_ST_BIND (sym->st_info);
- p->abfd = abfd;
- p->shndx = sym->st_shndx;
- }
- else
- {
- if (p->bind == STB_WEAK
- && ELF_ST_BIND (sym->st_info) == STB_GLOBAL)
- {
- p->bind = STB_GLOBAL;
- p->abfd = abfd;
- }
- }
- *namep = NULL;
- return TRUE;
- }
- else if (*namep && **namep
- && info->hash->creator == abfd->xvec)
- {
- int i;
- struct sparc64_elf_app_reg *p;
-
- p = sparc64_elf_hash_table(info)->app_regs;
- for (i = 0; i < 4; i++, p++)
- if (p->name != NULL && ! strcmp (p->name, *namep))
- {
- unsigned char type = ELF_ST_TYPE (sym->st_info);
-
- if (type > STT_FUNC)
- type = 0;
- (*_bfd_error_handler)
- (_("Symbol `%s' has differing types: %s in %B, previously REGISTER in %B"),
- abfd, p->abfd, *namep, stt_types[type]);
- return FALSE;
- }
- }
- return TRUE;
-}
-
-/* This function takes care of emitting STT_REGISTER symbols
- which we cannot easily keep in the symbol hash table. */
-
-static bfd_boolean
-sparc64_elf_output_arch_syms (output_bfd, info, finfo, func)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
- PTR finfo;
- bfd_boolean (*func)
- PARAMS ((PTR, const char *, Elf_Internal_Sym *, asection *,
- struct elf_link_hash_entry *));
-{
- int reg;
- struct sparc64_elf_app_reg *app_regs =
- sparc64_elf_hash_table(info)->app_regs;
- Elf_Internal_Sym sym;
-
- /* We arranged in size_dynamic_sections to put the STT_REGISTER entries
- at the end of the dynlocal list, so they came at the end of the local
- symbols in the symtab. Except that they aren't STB_LOCAL, so we need
- to back up symtab->sh_info. */
- if (elf_hash_table (info)->dynlocal)
- {
- bfd * dynobj = elf_hash_table (info)->dynobj;
- asection *dynsymsec = bfd_get_section_by_name (dynobj, ".dynsym");
- struct elf_link_local_dynamic_entry *e;
-
- for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
- if (e->input_indx == -1)
- break;
- if (e)
- {
- elf_section_data (dynsymsec->output_section)->this_hdr.sh_info
- = e->dynindx;
- }
- }
-
- if (info->strip == strip_all)
- return TRUE;
-
- for (reg = 0; reg < 4; reg++)
- if (app_regs [reg].name != NULL)
- {
- if (info->strip == strip_some
- && bfd_hash_lookup (info->keep_hash,
- app_regs [reg].name,
- FALSE, FALSE) == NULL)
- continue;
-
- sym.st_value = reg < 2 ? reg + 2 : reg + 4;
- sym.st_size = 0;
- sym.st_other = 0;
- sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER);
- sym.st_shndx = app_regs [reg].shndx;
- if (! (*func) (finfo, app_regs [reg].name, &sym,
- sym.st_shndx == SHN_ABS
- ? bfd_abs_section_ptr : bfd_und_section_ptr,
- NULL))
- return FALSE;
- }
-
- return TRUE;
-}
-
-static int
-sparc64_elf_get_symbol_type (elf_sym, type)
- Elf_Internal_Sym * elf_sym;
- int type;
-{
- if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER)
- return STT_REGISTER;
- else
- return type;
-}
-
-/* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL
- even in SHN_UNDEF section. */
-
-static void
-sparc64_elf_symbol_processing (abfd, asym)
- bfd *abfd ATTRIBUTE_UNUSED;
- asymbol *asym;
-{
- elf_symbol_type *elfsym;
-
- elfsym = (elf_symbol_type *) asym;
- if (elfsym->internal_elf_sym.st_info
- == ELF_ST_INFO (STB_GLOBAL, STT_REGISTER))
- {
- asym->flags |= BSF_GLOBAL;
- }
-}
-
-static asection *
-sparc64_elf_gc_mark_hook (sec, info, rel, h, sym)
- asection *sec;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela *rel ATTRIBUTE_UNUSED;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
-{
- if (h != NULL)
- {
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- else
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
-
- return NULL;
-}
-
-/* Update the got entry reference counts for the section being removed. */
-static bfd_boolean
-sparc64_elf_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- asection *sec;
- const Elf_Internal_Rela *relocs;
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- unsigned int r_type;
- struct elf_link_hash_entry *h = NULL;
-
- r_symndx = ELF64_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct sparc64_elf_link_hash_entry *eh;
- struct sparc64_elf_dyn_relocs **pp;
- struct sparc64_elf_dyn_relocs *p;
-
- 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;
- eh = (struct sparc64_elf_link_hash_entry *) h;
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- /* Everything must go for SEC. */
- *pp = p->next;
- break;
- }
- }
-
- r_type = ELF64_R_TYPE_ID (rel->r_info);
- r_type = sparc64_elf_tls_transition (info, r_type, h != NULL);
- switch (r_type)
- {
- case R_SPARC_TLS_LDM_HI22:
- case R_SPARC_TLS_LDM_LO10:
- if (sparc64_elf_hash_table (info)->tls_ldm_got.refcount > 0)
- sparc64_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
- break;
-
- case R_SPARC_TLS_GD_HI22:
- case R_SPARC_TLS_GD_LO10:
- case R_SPARC_TLS_IE_HI22:
- case R_SPARC_TLS_IE_LO10:
- case R_SPARC_GOT10:
- case R_SPARC_GOT13:
- case R_SPARC_GOT22:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_SPARC_PC10:
- case R_SPARC_PC22:
- case R_SPARC_PC_HH22:
- case R_SPARC_PC_HM10:
- case R_SPARC_PC_LM22:
- if (h != NULL
- && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* Fall through. */
-
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_DISP64:
- case R_SPARC_WDISP30:
- case R_SPARC_WDISP22:
- case R_SPARC_WDISP19:
- case R_SPARC_WDISP16:
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
- case R_SPARC_HI22:
- case R_SPARC_22:
- case R_SPARC_13:
- case R_SPARC_LO10:
- case R_SPARC_UA16:
- case R_SPARC_UA32:
- case R_SPARC_PLT32:
- case R_SPARC_10:
- case R_SPARC_11:
- case R_SPARC_64:
- case R_SPARC_OLO10:
- case R_SPARC_HH22:
- case R_SPARC_HM10:
- case R_SPARC_LM22:
- case R_SPARC_7:
- case R_SPARC_5:
- case R_SPARC_6:
- case R_SPARC_HIX22:
- case R_SPARC_LOX10:
- case R_SPARC_H44:
- case R_SPARC_M44:
- case R_SPARC_L44:
- case R_SPARC_UA64:
- if (info->shared)
- break;
- /* Fall through. */
-
- case R_SPARC_WPLT30:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
-/* Adjust a symbol defined by a dynamic object and referenced by a
- regular object. The current definition is in some section of the
- dynamic object, but we're not including those sections. We have to
- change the definition to something the rest of the link can
- understand. */
-
-static bfd_boolean
-sparc64_elf_adjust_dynamic_symbol (info, h)
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
-{
- struct sparc64_elf_link_hash_table *htab;
- struct sparc64_elf_link_hash_entry * eh;
- struct sparc64_elf_dyn_relocs *p;
- asection *s;
- unsigned int power_of_two;
-
- htab = sparc64_elf_hash_table (info);
-
- /* Make sure we know what is going on here. */
- BFD_ASSERT (htab->elf.dynobj != NULL
- && (h->needs_plt
- || h->u.weakdef != NULL
- || (h->def_dynamic
- && h->ref_regular
- && !h->def_regular)));
-
- /* If this is a function, put it in the procedure linkage table. We
- will fill in the contents of the procedure linkage table later
- (although we could actually do it here). The STT_NOTYPE
- condition is a hack specifically for the Oracle libraries
- delivered for Solaris; for some inexplicable reason, they define
- some of their functions as STT_NOTYPE when they really should be
- STT_FUNC. */
- if (h->type == STT_FUNC
- || h->needs_plt
- || (h->type == STT_NOTYPE
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- && (h->root.u.def.section->flags & SEC_CODE) != 0))
- {
- if (h->plt.refcount <= 0
- || (! info->shared
- && !h->def_dynamic
- && !h->ref_dynamic
- && h->root.type != bfd_link_hash_undefweak
- && h->root.type != bfd_link_hash_undefined))
- {
- /* This case can occur if we saw a WPLT30 reloc in an input
- file, but the symbol was never referred to by a dynamic
- object, or if all references were garbage collected. In
- such a case, we don't actually need to build a procedure
- linkage table, and we can just do a WDISP30 reloc instead. */
- h->plt.offset = (bfd_vma) -1;
- h->needs_plt = 0;
- }
-
- return TRUE;
- }
- else
- h->plt.offset = (bfd_vma) -1;
-
- /* 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)
- {
- 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;
- }
-
- /* This is a reference to a symbol defined by a dynamic object which
- is not a function. */
-
- /* If we are creating a shared library, we must presume that the
- only references to the symbol are via the global offset table.
- For such cases we need not do anything here; the relocations will
- be handled correctly by relocate_section. */
- if (info->shared)
- return TRUE;
-
- /* If there are no references to this symbol that do not use the
- GOT, we don't need to generate a copy reloc. */
- if (!h->non_got_ref)
- return TRUE;
-
- eh = (struct sparc64_elf_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- s = p->sec->output_section;
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- break;
- }
-
- /* If we didn't find any dynamic relocs in read-only sections, then
- we'll be keeping the dynamic relocs and avoiding the copy reloc. */
- if (p == NULL)
- {
- h->non_got_ref = 0;
- return TRUE;
- }
-
- /* We must allocate the symbol in our .dynbss section, which will
- become part of the .bss section of the executable. There will be
- an entry for this symbol in the .dynsym section. The dynamic
- object will contain position independent code, so all references
- from the dynamic object to this symbol will go through the global
- offset table. The dynamic linker will use the .dynsym entry to
- determine the address it must put in the global offset table, so
- both the dynamic object and the regular object will refer to the
- same memory location for the variable. */
-
- /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
- to copy the initial value out of the dynamic object and into the
- runtime process image. We need to remember the offset into the
- .rel.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
- {
- htab->srelbss->size += sizeof (Elf64_External_Rela);
- h->needs_copy = 1;
- }
-
- /* We need to figure out the alignment required for this symbol. I
- have no idea how ELF linkers handle this. 16-bytes is the size
- of the largest type that requires hard alignment -- long double. */
- power_of_two = bfd_log2 (h->size);
- if (power_of_two > 4)
- power_of_two = 4;
-
- /* Apply the required alignment. */
- s = htab->sdynbss;
- s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
- if (power_of_two > bfd_get_section_alignment (dynobj, s))
- {
- if (! bfd_set_section_alignment (dynobj, s, power_of_two))
- return FALSE;
- }
-
- /* Define the symbol as being at this point in the section. */
- h->root.u.def.section = s;
- h->root.u.def.value = s->size;
-
- /* Increment the section size to make room for the symbol. */
- s->size += h->size;
-
- return TRUE;
-}
-
-/* Allocate space in .plt, .got and associated reloc sections for
- dynamic relocs. */
-
-static bfd_boolean
-allocate_dynrelocs (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf;
-{
- struct bfd_link_info *info;
- struct sparc64_elf_link_hash_table *htab;
- struct sparc64_elf_link_hash_entry *eh;
- struct sparc64_elf_dyn_relocs *p;
-
- if (h->root.type == bfd_link_hash_indirect)
- return TRUE;
-
- if (h->root.type == bfd_link_hash_warning)
- /* When warning symbols are created, they **replace** the "real"
- entry in the hash table, thus we never get to see the real
- symbol in a hash traversal. So look at it now. */
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
- info = (struct bfd_link_info *) inf;
- htab = sparc64_elf_hash_table (info);
-
- if (htab->elf.dynamic_sections_created
- && h->plt.refcount > 0)
- {
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1
- && !h->forced_local)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
- {
- asection *s = htab->splt;
-
- /* The first four bit in .plt is reserved. */
- if (s->size == 0)
- s->size = PLT_HEADER_SIZE;
-
- /* The procedure linkage table size is bounded by the magnitude
- of the offset we can describe in the entry. */
- if (s->size >= (bfd_vma)1 << 32)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- if (s->size >= LARGE_PLT_THRESHOLD * PLT_ENTRY_SIZE)
- {
- bfd_vma off = s->size - LARGE_PLT_THRESHOLD * PLT_ENTRY_SIZE;
-
-
- off = (off % (160 * PLT_ENTRY_SIZE)) / PLT_ENTRY_SIZE;
-
- h->plt.offset = (s->size - (off * 8));
- }
- else
- h->plt.offset = s->size;
-
- /* If this symbol is not defined in a regular file, and we are
- not generating a shared library, then set the symbol to this
- location in the .plt. This is required to make function
- pointers compare as equal between the normal executable and
- the shared library. */
- if (! info->shared
- && !h->def_regular)
- {
- h->root.u.def.section = s;
- h->root.u.def.value = h->plt.offset;
- }
-
- /* Make room for this entry. */
- s->size += PLT_ENTRY_SIZE;
-
- /* We also need to make an entry in the .rela.plt section. */
- htab->srelplt->size += sizeof (Elf64_External_Rela);
- }
- else
- {
- h->plt.offset = (bfd_vma) -1;
- h->needs_plt = 0;
- }
- }
- else
- {
- h->plt.offset = (bfd_vma) -1;
- h->needs_plt = 0;
- }
-
- /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
- make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
- if (h->got.refcount > 0
- && !info->shared
- && h->dynindx == -1
- && sparc64_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
- h->got.offset = (bfd_vma) -1;
- else if (h->got.refcount > 0)
- {
- asection *s;
- bfd_boolean dyn;
- int tls_type = sparc64_elf_hash_entry(h)->tls_type;
-
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1
- && !h->forced_local)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- s = htab->sgot;
- h->got.offset = s->size;
- s->size += 8;
- /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
- if (tls_type == GOT_TLS_GD)
- s->size += 8;
- dyn = htab->elf.dynamic_sections_created;
- /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
- R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
- global. */
- if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
- || tls_type == GOT_TLS_IE)
- htab->srelgot->size += sizeof (Elf64_External_Rela);
- else if (tls_type == GOT_TLS_GD)
- htab->srelgot->size += 2 * sizeof (Elf64_External_Rela);
- else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
- htab->srelgot->size += sizeof (Elf64_External_Rela);
- }
- else
- h->got.offset = (bfd_vma) -1;
-
- eh = (struct sparc64_elf_link_hash_entry *) h;
- if (eh->dyn_relocs == NULL)
- return TRUE;
-
- /* In the shared -Bsymbolic case, discard space allocated for
- dynamic pc-relative relocs against symbols which turn out to be
- defined in regular objects. For the normal shared case, discard
- space for pc-relative relocs that have become local due to symbol
- visibility changes. */
-
- if (info->shared)
- {
- if (h->def_regular
- && (h->forced_local
- || info->symbolic))
- {
- struct sparc64_elf_dyn_relocs **pp;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
- {
- p->count -= p->pc_count;
- p->pc_count = 0;
- if (p->count == 0)
- *pp = p->next;
- else
- pp = &p->next;
- }
- }
- }
- else
- {
- /* For the non-shared case, discard space for relocs against
- symbols which turn out to need copy relocs or are not
- dynamic. */
-
- if (!h->non_got_ref
- && ((h->def_dynamic
- && !h->def_regular)
- || (htab->elf.dynamic_sections_created
- && (h->root.type == bfd_link_hash_undefweak
- || h->root.type == bfd_link_hash_undefined))))
- {
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1
- && !h->forced_local)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- /* If that succeeded, we know we'll be keeping all the
- relocs. */
- if (h->dynindx != -1)
- goto keep;
- }
-
- eh->dyn_relocs = NULL;
-
- keep: ;
- }
-
- /* Finally, allocate space. */
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- asection *sreloc = elf_section_data (p->sec)->sreloc;
- sreloc->size += p->count * sizeof (Elf64_External_Rela);
- }
-
- return TRUE;
-}
-
-/* Find any dynamic relocs that apply to read-only sections. */
-
-static bfd_boolean
-readonly_dynrelocs (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf;
-{
- struct sparc64_elf_link_hash_entry *eh;
- struct sparc64_elf_dyn_relocs *p;
-
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
- eh = (struct sparc64_elf_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- asection *s = p->sec->output_section;
-
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- {
- struct bfd_link_info *info = (struct bfd_link_info *) inf;
-
- info->flags |= DF_TEXTREL;
-
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
- }
- return TRUE;
-}
-
-/* Return true if the dynamic symbol for a given section should be
- omitted when creating a shared library. */
-
-static bfd_boolean
-sparc64_elf_omit_section_dynsym (bfd *output_bfd,
- struct bfd_link_info *info,
- asection *p)
-{
- /* We keep the .got section symbol so that explicit relocations
- against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
- can be turned into relocations against the .got symbol. */
- if (strcmp (p->name, ".got") == 0)
- return FALSE;
-
- return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
-}
-
-/* Set the sizes of the dynamic sections. */
-
-static bfd_boolean
-sparc64_elf_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
-{
- struct sparc64_elf_link_hash_table *htab;
- bfd *dynobj;
- asection *s;
- bfd *ibfd;
-
- htab = sparc64_elf_hash_table (info);
- dynobj = htab->elf.dynobj;
- BFD_ASSERT (dynobj != NULL);
-
- if (elf_hash_table (info)->dynamic_sections_created)
- {
- /* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
- {
- s = bfd_get_section_by_name (dynobj, ".interp");
- BFD_ASSERT (s != NULL);
- s->size = sizeof ELF_DYNAMIC_INTERPRETER;
- s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
- }
- }
-
- /* Set up .got offsets for local syms, and space for local dynamic
- relocs. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
- {
- bfd_signed_vma *local_got;
- bfd_signed_vma *end_local_got;
- char *local_tls_type;
- bfd_size_type locsymcount;
- Elf_Internal_Shdr *symtab_hdr;
- asection *srel;
-
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
- continue;
-
- for (s = ibfd->sections; s != NULL; s = s->next)
- {
- struct sparc64_elf_dyn_relocs *p;
-
- for (p = *((struct sparc64_elf_dyn_relocs **)
- &elf_section_data (s)->local_dynrel);
- p != NULL;
- p = p->next)
- {
- if (!bfd_is_abs_section (p->sec)
- && bfd_is_abs_section (p->sec->output_section))
- {
- /* Input section has been discarded, either because
- it is a copy of a linkonce section or due to
- linker script /DISCARD/, so we'll be discarding
- the relocs too. */
- }
- else if (p->count != 0)
- {
- srel = elf_section_data (p->sec)->sreloc;
- srel->size += p->count * sizeof (Elf64_External_Rela);
- if ((p->sec->output_section->flags & SEC_READONLY) != 0)
- info->flags |= DF_TEXTREL;
- }
- }
- }
-
- local_got = elf_local_got_refcounts (ibfd);
- if (!local_got)
- continue;
-
- symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
- locsymcount = symtab_hdr->sh_info;
- end_local_got = local_got + locsymcount;
- local_tls_type = sparc64_elf_local_got_tls_type (ibfd);
- s = htab->sgot;
- srel = htab->srelgot;
- for (; local_got < end_local_got; ++local_got, ++local_tls_type)
- {
- if (*local_got > 0)
- {
- *local_got = s->size;
- s->size += 8;
- if (*local_tls_type == GOT_TLS_GD)
- s->size += 8;
- if (info->shared
- || *local_tls_type == GOT_TLS_GD
- || *local_tls_type == GOT_TLS_IE)
- srel->size += sizeof (Elf64_External_Rela);
- }
- else
- *local_got = (bfd_vma) -1;
- }
- }
-
- if (htab->tls_ldm_got.refcount > 0)
- {
- /* Allocate 2 got entries and 1 dynamic reloc for
- R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
- htab->tls_ldm_got.offset = htab->sgot->size;
- htab->sgot->size += (2 * 8);
- htab->srelgot->size += sizeof (Elf64_External_Rela);
- }
- else
- htab->tls_ldm_got.offset = -1;
-
- /* Allocate global sym .plt and .got entries, and space for global
- sym dynamic relocs. */
- elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
-
- /* The 32-bit sparc BFD backend has a hack that, iff the .got
- section is larger than 0x1000 bytes, it increments the
- .got base by 0x1000 so that 13 bit relocations are more
- likely to work.
-
- On 64-bit we have to be more careful, since sethi+or will
- not create a proper 64-bit sign extended negative value
- for relocations to the first 0x1000 bytes of the .got area.
- We could do this using sethi+xor tricks just like the
- sparc backend of GCC does, in order to make this work at
- some point. Just... not today. */
-
- /* The check_relocs and adjust_dynamic_symbol entry points have
- determined the sizes of the various dynamic sections. Allocate
- memory for them. */
- for (s = dynobj->sections; s != NULL; s = s->next)
- {
- const char *name;
- bfd_boolean strip = FALSE;
-
- if ((s->flags & SEC_LINKER_CREATED) == 0)
- continue;
-
- /* It's OK to base decisions on the section name, because none
- of the dynobj section names depend upon the input files. */
- name = bfd_get_section_name (dynobj, s);
-
- if (strncmp (name, ".rela", 5) == 0)
- {
- if (s->size == 0)
- {
- /* If we don't need this section, strip it from the
- output file. This is to handle .rela.bss and
- .rel.plt. We must create it in
- create_dynamic_sections, because it must be created
- before the linker maps input sections to output
- 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. */
- strip = TRUE;
- }
- else
- {
- /* We use the reloc_count field as a counter if we need
- to copy relocs into the output file. */
- s->reloc_count = 0;
- }
- }
- else if (s != htab->splt && s != htab->sgot)
- {
- /* It's not one of our sections, so don't allocate space. */
- continue;
- }
-
- if (strip)
- {
- _bfd_strip_section_from_output (info, s);
- continue;
- }
-
- /* Allocate memory for the section contents. Zero the memory
- for the benefit of .rela.plt, which has 4 unused entries
- at the beginning, and we don't want garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
- if (s->contents == NULL && s->size != 0)
- return FALSE;
- }
-
- if (elf_hash_table (info)->dynamic_sections_created)
- {
- /* Add some entries to the .dynamic section. We fill in the
- values later, in sparc64_elf_finish_dynamic_sections, but we
- 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. */
-#define add_dynamic_entry(TAG, VAL) \
- _bfd_elf_add_dynamic_entry (info, TAG, VAL)
-
- int reg;
- struct sparc64_elf_app_reg * app_regs;
- struct elf_strtab_hash *dynstr;
- struct elf_link_hash_table *eht = elf_hash_table (info);
-
- if (info->executable)
- {
- if (!add_dynamic_entry (DT_DEBUG, 0))
- return FALSE;
- }
-
- if (htab->srelplt->size != 0)
- {
- if (!add_dynamic_entry (DT_PLTGOT, 0)
- || !add_dynamic_entry (DT_PLTRELSZ, 0)
- || !add_dynamic_entry (DT_PLTREL, DT_RELA)
- || !add_dynamic_entry (DT_JMPREL, 0))
- return FALSE;
- }
-
- if (!add_dynamic_entry (DT_RELA, 0)
- || !add_dynamic_entry (DT_RELASZ, 0)
- || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
- return FALSE;
-
- /* If any dynamic relocs apply to a read-only section,
- then we need a DT_TEXTREL entry. */
- if ((info->flags & DF_TEXTREL) == 0)
- elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
- (PTR) info);
-
- if (info->flags & DF_TEXTREL)
- {
- if (!add_dynamic_entry (DT_TEXTREL, 0))
- return FALSE;
- }
-
- /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
- entries if needed. */
- app_regs = sparc64_elf_hash_table (info)->app_regs;
- dynstr = eht->dynstr;
-
- for (reg = 0; reg < 4; reg++)
- if (app_regs [reg].name != NULL)
- {
- struct elf_link_local_dynamic_entry *entry, *e;
-
- if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
- return FALSE;
-
- entry = (struct elf_link_local_dynamic_entry *)
- bfd_hash_allocate (&info->hash->table, sizeof (*entry));
- if (entry == NULL)
- return FALSE;
-
- /* We cheat here a little bit: the symbol will not be local, so we
- put it at the end of the dynlocal linked list. We will fix it
- later on, as we have to fix other fields anyway. */
- entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
- entry->isym.st_size = 0;
- if (*app_regs [reg].name != '\0')
- entry->isym.st_name
- = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
- else
- entry->isym.st_name = 0;
- entry->isym.st_other = 0;
- entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
- STT_REGISTER);
- entry->isym.st_shndx = app_regs [reg].shndx;
- entry->next = NULL;
- entry->input_bfd = output_bfd;
- entry->input_indx = -1;
-
- if (eht->dynlocal == NULL)
- eht->dynlocal = entry;
- else
- {
- for (e = eht->dynlocal; e->next; e = e->next)
- ;
- e->next = entry;
- }
- eht->dynsymcount++;
- }
- }
-#undef add_dynamic_entry
-
- return TRUE;
-}
-\f
-static bfd_boolean
-sparc64_elf_new_section_hook (abfd, sec)
- bfd *abfd;
- asection *sec;
-{
- struct sparc64_elf_section_data *sdata;
- bfd_size_type amt = sizeof (*sdata);
-
- sdata = (struct sparc64_elf_section_data *) bfd_zalloc (abfd, amt);
- if (sdata == NULL)
- return FALSE;
- sec->used_by_bfd = (PTR) sdata;
-
- return _bfd_elf_new_section_hook (abfd, sec);
-}
-
-static bfd_boolean
-sparc64_elf_relax_section (abfd, section, link_info, again)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *section ATTRIBUTE_UNUSED;
- struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
- bfd_boolean *again;
-{
- *again = FALSE;
- sec_do_relax (section) = 1;
- return TRUE;
-}
-\f
-/* Return the base VMA address which should be subtracted from real addresses
- when resolving @dtpoff relocation.
- This is PT_TLS segment p_vaddr. */
-
-static bfd_vma
-dtpoff_base (info)
- struct bfd_link_info *info;
-{
- /* If tls_sec is NULL, we should have signalled an error already. */
- if (elf_hash_table (info)->tls_sec == NULL)
- return 0;
- return elf_hash_table (info)->tls_sec->vma;
-}
-
-/* Return the relocation value for @tpoff relocation
- if STT_TLS virtual address is ADDRESS. */
-
-static bfd_vma
-tpoff (info, address)
- struct bfd_link_info *info;
- bfd_vma address;
-{
- struct elf_link_hash_table *htab = elf_hash_table (info);
-
- /* If tls_sec is NULL, we should have signalled an error already. */
- if (htab->tls_sec == NULL)
- return 0;
- return address - htab->tls_size - htab->tls_sec->vma;
-}
-
-/* Relocate a SPARC64 ELF section. */
-
-static bfd_boolean
-sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, local_syms, local_sections)
- bfd *output_bfd;
- struct bfd_link_info *info;
- bfd *input_bfd;
- asection *input_section;
- bfd_byte *contents;
- Elf_Internal_Rela *relocs;
- Elf_Internal_Sym *local_syms;
- asection **local_sections;
-{
- struct sparc64_elf_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_vma *local_got_offsets;
- bfd_vma got_base;
- asection *sreloc;
- Elf_Internal_Rela *rel;
- Elf_Internal_Rela *relend;
-
- if (info->relocatable)
- return TRUE;
-
- htab = sparc64_elf_hash_table (info);
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (input_bfd);
- local_got_offsets = elf_local_got_offsets (input_bfd);
-
- if (elf_hash_table (info)->hgot == NULL)
- got_base = 0;
- else
- got_base = elf_hash_table (info)->hgot->root.u.def.value;
-
- sreloc = elf_section_data (input_section)->sreloc;
-
- rel = relocs;
- relend = relocs + NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
- for (; rel < relend; rel++)
- {
- int r_type, tls_type;
- reloc_howto_type *howto;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
- asection *sec;
- bfd_vma relocation, off;
- bfd_reloc_status_type r;
- bfd_boolean is_plt = FALSE;
- bfd_boolean unresolved_reloc;
-
- r_type = ELF64_R_TYPE_ID (rel->r_info);
- if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- howto = sparc64_elf_howto_table + r_type;
-
- /* This is a final link. */
- r_symndx = ELF64_R_SYM (rel->r_info);
- h = NULL;
- sym = NULL;
- sec = NULL;
- unresolved_reloc = FALSE;
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- sec = local_sections[r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
- }
- else
- {
- bfd_boolean warned;
-
- RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
- r_symndx, symtab_hdr, sym_hashes,
- h, sec, relocation,
- unresolved_reloc, warned);
- if (warned)
- {
- /* To avoid generating warning messages about truncated
- relocations, set the relocation's address to be the same as
- the start of this section. */
- if (input_section->output_section != NULL)
- relocation = input_section->output_section->vma;
- else
- relocation = 0;
- }
- }
-
- switch (r_type)
- {
- case R_SPARC_GOT10:
- case R_SPARC_GOT13:
- case R_SPARC_GOT22:
- /* Relocation is to the entry for this symbol in the global
- offset table. */
- if (htab->sgot == NULL)
- abort ();
-
- if (h != NULL)
- {
- bfd_boolean dyn;
-
- off = h->got.offset;
- BFD_ASSERT (off != (bfd_vma) -1);
- dyn = elf_hash_table (info)->dynamic_sections_created;
-
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- || (info->shared
- && (info->symbolic
- || h->dynindx == -1
- || h->forced_local)
- && h->def_regular))
- {
- /* This is actually a static link, or it is a
- -Bsymbolic link and the symbol is defined
- locally, or the symbol was forced to be local
- because of a version file. We must initialize
- this entry in the global offset table. Since the
- offset must always be a multiple of 8, we use the
- least significant bit to record whether we have
- initialized it already.
-
- When doing a dynamic link, we create a .rela.got
- relocation entry to initialize the value. This
- is done in the finish_dynamic_symbol routine. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- bfd_put_64 (output_bfd, relocation,
- htab->sgot->contents + off);
- h->got.offset |= 1;
- }
- }
- else
- unresolved_reloc = FALSE;
- }
- else
- {
- BFD_ASSERT (local_got_offsets != NULL
- && local_got_offsets[r_symndx] != (bfd_vma) -1);
-
- off = local_got_offsets[r_symndx];
-
- /* The offset must always be a multiple of 8. We use
- the least significant bit to record whether we have
- already processed this entry. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
-
- if (info->shared)
- {
- asection *s;
- Elf_Internal_Rela outrel;
- bfd_byte *loc;
-
- /* We need to generate a R_SPARC_RELATIVE reloc
- for the dynamic linker. */
- s = htab->srelgot;
- BFD_ASSERT (s != NULL);
-
- outrel.r_offset = (htab->sgot->output_section->vma
- + htab->sgot->output_offset
- + off);
- outrel.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE);
- outrel.r_addend = relocation;
- relocation = 0;
- loc = s->contents;
- loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
- }
-
- bfd_put_64 (output_bfd, relocation,
- htab->sgot->contents + off);
- local_got_offsets[r_symndx] |= 1;
- }
- }
- relocation = htab->sgot->output_offset + off - got_base;
- break;
-
- case R_SPARC_PLT32:
- case R_SPARC_PLT64:
- if (h == NULL || h->plt.offset == (bfd_vma) -1)
- {
- r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
- goto r_sparc_plt32;
- }
- /* Fall through. */
-
- case R_SPARC_WPLT30:
- case R_SPARC_HIPLT22:
- case R_SPARC_LOPLT10:
- case R_SPARC_PCPLT32:
- case R_SPARC_PCPLT22:
- case R_SPARC_PCPLT10:
- r_sparc_wplt30:
- /* Relocation is to the entry for this symbol in the
- procedure linkage table. */
-
- /* Relocation is to the entry for this symbol in the
- procedure linkage table. */
- BFD_ASSERT (h != NULL);
-
- if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL)
- {
- /* We didn't make a PLT entry for this symbol. This
- happens when statically linking PIC code, or when
- using -Bsymbolic. */
- break;
- }
-
- relocation = (htab->splt->output_section->vma
- + htab->splt->output_offset
- + h->plt.offset);
- unresolved_reloc = FALSE;
- if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
- {
- r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
- is_plt = TRUE;
- goto r_sparc_plt32;
- }
- break;
-
- case R_SPARC_PC10:
- case R_SPARC_PC22:
- case R_SPARC_PC_HH22:
- case R_SPARC_PC_HM10:
- case R_SPARC_PC_LM22:
- if (h != NULL
- && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* Fall through. */
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_DISP64:
- case R_SPARC_WDISP30:
- case R_SPARC_WDISP22:
- case R_SPARC_WDISP19:
- case R_SPARC_WDISP16:
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
- case R_SPARC_HI22:
- case R_SPARC_22:
- case R_SPARC_13:
- case R_SPARC_LO10:
- case R_SPARC_UA16:
- case R_SPARC_UA32:
- case R_SPARC_10:
- case R_SPARC_11:
- case R_SPARC_64:
- case R_SPARC_OLO10:
- case R_SPARC_HH22:
- case R_SPARC_HM10:
- case R_SPARC_LM22:
- case R_SPARC_7:
- case R_SPARC_5:
- case R_SPARC_6:
- case R_SPARC_HIX22:
- case R_SPARC_LOX10:
- case R_SPARC_H44:
- case R_SPARC_M44:
- case R_SPARC_L44:
- case R_SPARC_UA64:
- r_sparc_plt32:
- /* r_symndx will be zero only for relocs against symbols
- from removed linkonce sections, or sections discarded by
- a linker script. */
- if (r_symndx == 0
- || (input_section->flags & SEC_ALLOC) == 0)
- break;
-
- if ((info->shared
- && (h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak)
- && (! howto->pc_relative
- || (h != NULL
- && h->dynindx != -1
- && (! info->symbolic
- || !h->def_regular))))
- || (!info->shared
- && h != NULL
- && h->dynindx != -1
- && !h->non_got_ref
- && ((h->def_dynamic
- && !h->def_regular)
- || h->root.type == bfd_link_hash_undefweak
- || h->root.type == bfd_link_hash_undefined)))
- {
- Elf_Internal_Rela outrel;
- bfd_byte *loc;
- bfd_boolean skip, relocate = FALSE;
-
- /* When generating a shared object, these relocations
- are copied into the output file to be resolved at run
- time. */
-
- BFD_ASSERT (sreloc != NULL);
-
- skip = FALSE;
-
- outrel.r_offset =
- _bfd_elf_section_offset (output_bfd, info, input_section,
- rel->r_offset);
- if (outrel.r_offset == (bfd_vma) -1)
- skip = TRUE;
- else if (outrel.r_offset == (bfd_vma) -2)
- skip = TRUE, relocate = TRUE;
- outrel.r_offset += (input_section->output_section->vma
- + input_section->output_offset);
-
- /* Optimize unaligned reloc usage now that we know where
- it finally resides. */
- switch (r_type)
- {
- case R_SPARC_16:
- if (outrel.r_offset & 1)
- r_type = R_SPARC_UA16;
- break;
- case R_SPARC_UA16:
- if (!(outrel.r_offset & 1))
- r_type = R_SPARC_16;
- break;
- case R_SPARC_32:
- if (outrel.r_offset & 3)
- r_type = R_SPARC_UA32;
- break;
- case R_SPARC_UA32:
- if (!(outrel.r_offset & 3))
- r_type = R_SPARC_32;
- break;
- case R_SPARC_64:
- if (outrel.r_offset & 7)
- r_type = R_SPARC_UA64;
- break;
- case R_SPARC_UA64:
- if (!(outrel.r_offset & 7))
- r_type = R_SPARC_64;
- break;
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_DISP64:
- /* If the symbol is not dynamic, we should not keep
- a dynamic relocation. But an .rela.* slot has been
- allocated for it, output R_SPARC_NONE.
- FIXME: Add code tracking needed dynamic relocs as
- e.g. i386 has. */
- if (h->dynindx == -1)
- skip = TRUE, relocate = TRUE;
- break;
- }
-
- if (skip)
- memset (&outrel, 0, sizeof outrel);
- /* h->dynindx may be -1 if the symbol was marked to
- become local. */
- else if (h != NULL && ! is_plt
- && ((! info->symbolic && h->dynindx != -1)
- || !h->def_regular))
- {
- BFD_ASSERT (h->dynindx != -1);
- outrel.r_info
- = ELF64_R_INFO (h->dynindx,
- ELF64_R_TYPE_INFO (
- ELF64_R_TYPE_DATA (rel->r_info),
- r_type));
- outrel.r_addend = rel->r_addend;
- }
- else
- {
- if (r_type == R_SPARC_64)
- {
- outrel.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE);
- outrel.r_addend = relocation + rel->r_addend;
- }
- else
- {
- long indx;
-
- if (is_plt)
- sec = htab->splt;
-
- if (bfd_is_abs_section (sec))
- indx = 0;
- else if (sec == NULL || sec->owner == NULL)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- else
- {
- asection *osec;
-
- osec = sec->output_section;
- indx = elf_section_data (osec)->dynindx;
-
- /* FIXME: we really should be able to link non-pic
- shared libraries. */
- if (indx == 0)
- {
- BFD_FAIL ();
- (*_bfd_error_handler)
- (_("%B: probably compiled without -fPIC?"),
- input_bfd);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- }
-
- outrel.r_info
- = ELF64_R_INFO (indx,
- ELF64_R_TYPE_INFO (
- ELF64_R_TYPE_DATA (rel->r_info),
- r_type));
- outrel.r_addend = relocation + rel->r_addend;
- }
- }
-
- loc = sreloc->contents;
- loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
-
- /* This reloc will be computed at runtime, so there's no
- need to do anything now. */
- if (! relocate)
- continue;
- }
- break;
-
- case R_SPARC_TLS_GD_HI22:
- case R_SPARC_TLS_GD_LO10:
- case R_SPARC_TLS_IE_HI22:
- case R_SPARC_TLS_IE_LO10:
- r_type = sparc64_elf_tls_transition (info, r_type, h == NULL);
- tls_type = GOT_UNKNOWN;
- if (h == NULL && local_got_offsets)
- tls_type = sparc64_elf_local_got_tls_type (input_bfd) [r_symndx];
- else if (h != NULL)
- {
- tls_type = sparc64_elf_hash_entry(h)->tls_type;
- if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
- switch (ELF64_R_TYPE_ID (rel->r_info))
- {
- case R_SPARC_TLS_GD_HI22:
- case R_SPARC_TLS_IE_HI22:
- r_type = R_SPARC_TLS_LE_HIX22;
- break;
- default:
- r_type = R_SPARC_TLS_LE_LOX10;
- break;
- }
- }
- if (tls_type == GOT_TLS_IE)
- switch (r_type)
- {
- case R_SPARC_TLS_GD_HI22:
- r_type = R_SPARC_TLS_IE_HI22;
- break;
- case R_SPARC_TLS_GD_LO10:
- r_type = R_SPARC_TLS_IE_LO10;
- break;
- }
-
- if (r_type == R_SPARC_TLS_LE_HIX22)
- {
- relocation = tpoff (info, relocation);
- break;
- }
- if (r_type == R_SPARC_TLS_LE_LOX10)
- {
- /* Change add into xor. */
- relocation = tpoff (info, relocation);
- bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
- contents + rel->r_offset)
- | 0x80182000), contents + rel->r_offset);
- break;
- }
-
- if (h != NULL)
- {
- off = h->got.offset;
- h->got.offset |= 1;
- }
- else
- {
- BFD_ASSERT (local_got_offsets != NULL);
- off = local_got_offsets[r_symndx];
- local_got_offsets[r_symndx] |= 1;
- }
-
- r_sparc_tlsldm:
- if (htab->sgot == NULL)
- abort ();
-
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- Elf_Internal_Rela outrel;
- Elf64_External_Rela *loc;
- int dr_type, indx;
-
- if (htab->srelgot == NULL)
- abort ();
-
- bfd_put_64 (output_bfd, 0, htab->sgot->contents + off);
- outrel.r_offset = (htab->sgot->output_section->vma
- + htab->sgot->output_offset + off);
- indx = h && h->dynindx != -1 ? h->dynindx : 0;
- if (r_type == R_SPARC_TLS_IE_HI22
- || r_type == R_SPARC_TLS_IE_LO10)
- dr_type = R_SPARC_TLS_TPOFF64;
- else
- dr_type = R_SPARC_TLS_DTPMOD64;
- if (dr_type == R_SPARC_TLS_TPOFF64 && indx == 0)
- outrel.r_addend = relocation - dtpoff_base (info);
- else
- outrel.r_addend = 0;
- outrel.r_info = ELF64_R_INFO (indx, dr_type);
- loc = (Elf64_External_Rela *) htab->srelgot->contents;
- loc += htab->srelgot->reloc_count++;
- bfd_elf64_swap_reloca_out (output_bfd, &outrel,
- (bfd_byte *) loc);
-
- if (r_type == R_SPARC_TLS_GD_HI22
- || r_type == R_SPARC_TLS_GD_LO10)
- {
- if (indx == 0)
- {
- BFD_ASSERT (! unresolved_reloc);
- bfd_put_64 (output_bfd,
- relocation - dtpoff_base (info),
- htab->sgot->contents + off + 8);
- }
- else
- {
- bfd_put_64 (output_bfd, 0,
- htab->sgot->contents + off + 8);
- outrel.r_info = ELF64_R_INFO (indx,
- R_SPARC_TLS_DTPOFF64);
- outrel.r_offset += 8;
- htab->srelgot->reloc_count++;
- loc++;
- bfd_elf64_swap_reloca_out (output_bfd, &outrel,
- (bfd_byte *) loc);
- }
- }
- else if (dr_type == R_SPARC_TLS_DTPMOD64)
- {
- bfd_put_64 (output_bfd, 0,
- htab->sgot->contents + off + 8);
- }
- }
-
- if (off >= (bfd_vma) -2)
- abort ();
-
- relocation = htab->sgot->output_offset + off - got_base;
- unresolved_reloc = FALSE;
- howto = sparc64_elf_howto_table + r_type;
- break;
-
- case R_SPARC_TLS_LDM_HI22:
- case R_SPARC_TLS_LDM_LO10:
- if (! info->shared)
- {
- bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
- continue;
- }
- off = htab->tls_ldm_got.offset;
- htab->tls_ldm_got.offset |= 1;
- goto r_sparc_tlsldm;
-
- case R_SPARC_TLS_LDO_HIX22:
- case R_SPARC_TLS_LDO_LOX10:
- if (info->shared)
- {
- relocation -= dtpoff_base (info);
- break;
- }
-
- r_type = (r_type == R_SPARC_TLS_LDO_HIX22
- ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
- /* Fall through. */
-
- case R_SPARC_TLS_LE_HIX22:
- case R_SPARC_TLS_LE_LOX10:
- if (info->shared)
- {
- Elf_Internal_Rela outrel;
- bfd_boolean skip, relocate = FALSE;
-
- BFD_ASSERT (sreloc != NULL);
- skip = FALSE;
- outrel.r_offset =
- _bfd_elf_section_offset (output_bfd, info, input_section,
- rel->r_offset);
- if (outrel.r_offset == (bfd_vma) -1)
- skip = TRUE;
- else if (outrel.r_offset == (bfd_vma) -2)
- skip = TRUE, relocate = TRUE;
- outrel.r_offset += (input_section->output_section->vma
- + input_section->output_offset);
- if (skip)
- memset (&outrel, 0, sizeof outrel);
- else
- {
- outrel.r_info = ELF64_R_INFO (0, r_type);
- outrel.r_addend = relocation - dtpoff_base (info)
- + rel->r_addend;
- }
-
- bfd_elf64_swap_reloca_out (output_bfd, &outrel,
- (bfd_byte *) (((Elf64_External_Rela *)
- sreloc->contents)
- + sreloc->reloc_count));
- ++sreloc->reloc_count;
- continue;
- }
- relocation = tpoff (info, relocation);
- break;
-
- case R_SPARC_TLS_LDM_CALL:
- if (! info->shared)
- {
- /* mov %g0, %o0 */
- bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
- continue;
- }
- /* Fall through */
-
- case R_SPARC_TLS_GD_CALL:
- tls_type = GOT_UNKNOWN;
- if (h == NULL && local_got_offsets)
- tls_type = sparc64_elf_local_got_tls_type (input_bfd) [r_symndx];
- else if (h != NULL)
- tls_type = sparc64_elf_hash_entry(h)->tls_type;
- if (! info->shared
- || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
- {
- bfd_vma insn;
-
- if (!info->shared && (h == NULL || h->dynindx == -1))
- {
- /* GD -> LE */
- bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
- continue;
- }
-
- /* GD -> IE */
- if (rel + 1 < relend
- && ELF64_R_TYPE_ID (rel[1].r_info) == R_SPARC_TLS_GD_ADD
- && rel[1].r_offset == rel->r_offset + 4
- && ELF64_R_SYM (rel[1].r_info) == r_symndx
- && (((insn = bfd_get_32 (input_bfd,
- contents + rel[1].r_offset))
- >> 25) & 0x1f) == 8)
- {
- /* We have
- call __tls_get_addr, %tgd_call(foo)
- add %reg1, %reg2, %o0, %tgd_add(foo)
- and change it into IE:
- ldx [%reg1 + %reg2], %o0, %tie_ldx(foo)
- add %g7, %o0, %o0, %tie_add(foo).
- add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
- ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
- bfd_put_32 (output_bfd, insn | 0xc0580000,
- contents + rel->r_offset);
- bfd_put_32 (output_bfd, 0x9001c008,
- contents + rel->r_offset + 4);
- rel++;
- continue;
- }
-
- bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
- continue;
- }
-
- h = (struct elf_link_hash_entry *)
- bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
- FALSE, TRUE);
- BFD_ASSERT (h != NULL);
- r_type = R_SPARC_WPLT30;
- howto = sparc64_elf_howto_table + r_type;
- goto r_sparc_wplt30;
-
- case R_SPARC_TLS_GD_ADD:
- tls_type = GOT_UNKNOWN;
- if (h == NULL && local_got_offsets)
- tls_type = sparc64_elf_local_got_tls_type (input_bfd) [r_symndx];
- else if (h != NULL)
- tls_type = sparc64_elf_hash_entry(h)->tls_type;
- if (! info->shared || tls_type == GOT_TLS_IE)
- {
- /* add %reg1, %reg2, %reg3, %tgd_add(foo)
- changed into IE:
- ldx [%reg1 + %reg2], %reg3, %tie_ldx(foo)
- or LE:
- add %g7, %reg2, %reg3. */
- bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
- if ((h != NULL && h->dynindx != -1) || info->shared)
- relocation = insn | 0xc0580000;
- else
- relocation = (insn & ~0x7c000) | 0x1c000;
- bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
- }
- continue;
-
- case R_SPARC_TLS_LDM_ADD:
- if (! info->shared)
- bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
- continue;
-
- case R_SPARC_TLS_LDO_ADD:
- if (! info->shared)
- {
- /* Change rs1 into %g7. */
- bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
- insn = (insn & ~0x7c000) | 0x1c000;
- bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
- }
- continue;
-
- case R_SPARC_TLS_IE_LD:
- case R_SPARC_TLS_IE_LDX:
- if (! info->shared && (h == NULL || h->dynindx == -1))
- {
- bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
- int rs2 = insn & 0x1f;
- int rd = (insn >> 25) & 0x1f;
-
- if (rs2 == rd)
- relocation = SPARC_NOP;
- else
- relocation = 0x80100000 | (insn & 0x3e00001f);
- bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
- }
- continue;
-
- case R_SPARC_TLS_IE_ADD:
- /* Totally useless relocation. */
- continue;
-
- case R_SPARC_TLS_DTPOFF64:
- relocation -= dtpoff_base (info);
- break;
-
- default:
- break;
- }
-
- /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
- because such sections are not SEC_ALLOC and thus ld.so will
- not process them. */
- if (unresolved_reloc
- && !((input_section->flags & SEC_DEBUGGING) != 0
- && h->def_dynamic))
- (*_bfd_error_handler)
- (_("%B(%A+0x%lx): unresolvable relocation against symbol `%s'"),
- input_bfd,
- input_section,
- (long) rel->r_offset,
- h->root.root.string);
-
- r = bfd_reloc_continue;
- if (r_type == R_SPARC_OLO10)
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_check_overflow (howto->complain_on_overflow,
- howto->bitsize, howto->rightshift,
- bfd_arch_bits_per_address (input_bfd),
- relocation);
- }
- else if (r_type == R_SPARC_WDISP16)
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- relocation -= (input_section->output_section->vma
- + input_section->output_offset);
- relocation -= rel->r_offset;
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x |= ((((relocation >> 2) & 0xc000) << 6)
- | ((relocation >> 2) & 0x3fff));
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_check_overflow (howto->complain_on_overflow,
- howto->bitsize, howto->rightshift,
- bfd_arch_bits_per_address (input_bfd),
- relocation);
- }
- else if (r_type == R_SPARC_TLS_LDO_HIX22
- || r_type == R_SPARC_TLS_LE_HIX22)
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- if (r_type == R_SPARC_TLS_LE_HIX22)
- relocation ^= MINUS_ONE;
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
- r = bfd_reloc_ok;
- }
- if (r_type == R_SPARC_TLS_LDO_LOX10
- || r_type == R_SPARC_TLS_LE_LOX10)
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- relocation &= 0x3ff;
- if (r_type == R_SPARC_TLS_LE_LOX10)
- relocation |= 0x1c00;
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~(bfd_vma) 0x1fff) | relocation;
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_reloc_ok;
- }
- else if (r_type == R_SPARC_HIX22)
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- relocation = relocation ^ MINUS_ONE;
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_check_overflow (howto->complain_on_overflow,
- howto->bitsize, howto->rightshift,
- bfd_arch_bits_per_address (input_bfd),
- relocation);
- }
- else if (r_type == R_SPARC_LOX10)
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- relocation = (relocation & 0x3ff) | 0x1c00;
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~(bfd_vma) 0x1fff) | relocation;
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_reloc_ok;
- }
- else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
- && sec_do_relax (input_section)
- && rel->r_offset + 4 < input_section->size)
- {
-#define G0 0
-#define O7 15
-#define XCC (2 << 20)
-#define COND(x) (((x)&0xf)<<25)
-#define CONDA COND(0x8)
-#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
-#define INSN_BA (F2(0,2) | CONDA)
-#define INSN_OR F3(2, 0x2, 0)
-#define INSN_NOP F2(0,4)
-
- bfd_vma x, y;
-
- /* If the instruction is a call with either:
- restore
- arithmetic instruction with rd == %o7
- where rs1 != %o7 and rs2 if it is register != %o7
- then we can optimize if the call destination is near
- by changing the call into a branch always. */
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
- if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
- {
- if (((y & OP3(~0)) == OP3(0x3d) /* restore */
- || ((y & OP3(0x28)) == 0 /* arithmetic */
- && (y & RD(~0)) == RD(O7)))
- && (y & RS1(~0)) != RS1(O7)
- && ((y & F3I(~0))
- || (y & RS2(~0)) != RS2(O7)))
- {
- bfd_vma reloc;
-
- reloc = relocation + rel->r_addend - rel->r_offset;
- reloc -= (input_section->output_section->vma
- + input_section->output_offset);
-
- /* Ensure the branch fits into simm22. */
- if ((reloc & 3) == 0
- && ((reloc & ~(bfd_vma)0x7fffff) == 0
- || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
- {
- reloc >>= 2;
-
- /* Check whether it fits into simm19. */
- if ((reloc & 0x3c0000) == 0
- || (reloc & 0x3c0000) == 0x3c0000)
- x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
- else
- x = INSN_BA | (reloc & 0x3fffff); /* ba */
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
- r = bfd_reloc_ok;
- if (rel->r_offset >= 4
- && (y & (0xffffffff ^ RS1(~0)))
- == (INSN_OR | RD(O7) | RS2(G0)))
- {
- bfd_vma z;
- unsigned int reg;
-
- z = bfd_get_32 (input_bfd,
- contents + rel->r_offset - 4);
- if ((z & (0xffffffff ^ RD(~0)))
- != (INSN_OR | RS1(O7) | RS2(G0)))
- break;
-
- /* The sequence was
- or %o7, %g0, %rN
- call foo
- or %rN, %g0, %o7
-
- If call foo was replaced with ba, replace
- or %rN, %g0, %o7 with nop. */
-
- reg = (y & RS1(~0)) >> 14;
- if (reg != ((z & RD(~0)) >> 25)
- || reg == G0 || reg == O7)
- break;
-
- bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
- contents + rel->r_offset + 4);
- }
-
- }
- }
- }
- }
-
- if (r == bfd_reloc_continue)
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
-
- if (r != bfd_reloc_ok)
- {
- switch (r)
- {
- default:
- case bfd_reloc_outofrange:
- abort ();
- case bfd_reloc_overflow:
- {
- const char *name;
-
- if (h != NULL)
- name = NULL;
- else
- {
- name = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- sym->st_name);
- if (name == NULL)
- return FALSE;
- if (*name == '\0')
- name = bfd_section_name (input_bfd, sec);
- }
- if (! ((*info->callbacks->reloc_overflow)
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
- }
- break;
- }
- }
- }
-
- return TRUE;
-}
-
-/* Finish up dynamic symbol handling. We set the contents of various
- dynamic sections here. */
-
-static bfd_boolean
-sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
- bfd *output_bfd;
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
-{
- bfd *dynobj;
- struct sparc64_elf_link_hash_table *htab;
-
- htab = sparc64_elf_hash_table (info);
- dynobj = htab->elf.dynobj;
-
- if (h->plt.offset != (bfd_vma) -1)
- {
- asection *splt;
- asection *srela;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
- bfd_vma r_offset;
- int rela_index;
-
- /* This symbol has an entry in the PLT. Set it up. */
-
- BFD_ASSERT (h->dynindx != -1);
-
- splt = htab->splt;
- srela = htab->srelplt;
- BFD_ASSERT (splt != NULL && srela != NULL);
-
- /* Fill in the entry in the procedure linkage table. */
- rela_index = sparc64_plt_entry_build (output_bfd, splt, h->plt.offset,
- splt->size, &r_offset);
-
- /* Fill in the entry in the .rela.plt section. */
- rela.r_offset = r_offset
- + (splt->output_section->vma + splt->output_offset);
- if (h->plt.offset < (LARGE_PLT_THRESHOLD * PLT_ENTRY_SIZE))
- {
- rela.r_addend = 0;
- }
- else
- {
- rela.r_addend = -(h->plt.offset + 4)
- -(splt->output_section->vma + splt->output_offset);
- }
- rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
-
- /* Adjust for the first 4 reserved elements in the .plt section
- when setting the offset in the .rela.plt section.
- Sun forgot to read their own ABI and copied elf32-sparc behaviour,
- thus .plt[4] has corresponding .rela.plt[0] and so on. */
-
- loc = srela->contents;
- loc += rela_index * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
-
- if (!h->def_regular)
- {
- /* Mark the symbol as undefined, rather than as defined in
- the .plt section. Leave the value alone. */
- sym->st_shndx = SHN_UNDEF;
- /* If the symbol is weak, we do need to clear the value.
- Otherwise, the PLT entry would provide a definition for
- the symbol even if the symbol wasn't defined anywhere,
- and so the symbol would never be NULL. */
- if (!h->ref_regular_nonweak)
- sym->st_value = 0;
- }
- }
-
- if (h->got.offset != (bfd_vma) -1
- && sparc64_elf_hash_entry(h)->tls_type != GOT_TLS_GD
- && sparc64_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
- {
- asection *sgot;
- asection *srela;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
-
- /* This symbol has an entry in the GOT. Set it up. */
-
- sgot = htab->sgot;
- srela = htab->srelgot;
- BFD_ASSERT (sgot != NULL && srela != NULL);
-
- rela.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + (h->got.offset &~ (bfd_vma) 1));
-
- /* If this is a -Bsymbolic link, and the symbol is defined
- locally, we just want to emit a RELATIVE reloc. Likewise if
- the symbol was forced to be local because of a version file.
- The entry in the global offset table will already have been
- initialized in the relocate_section function. */
- if (info->shared
- && (info->symbolic || h->dynindx == -1)
- && h->def_regular)
- {
- asection *sec = h->root.u.def.section;
- rela.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE);
- rela.r_addend = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
- else
- {
- rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
- rela.r_addend = 0;
- }
-
- bfd_put_64 (output_bfd, (bfd_vma) 0,
- sgot->contents + (h->got.offset &~ (bfd_vma) 1));
- loc = srela->contents;
- loc += srela->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
- }
-
- if (h->needs_copy)
- {
- asection *s;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
-
- /* This symbols needs a copy reloc. Set it up. */
- BFD_ASSERT (h->dynindx != -1);
-
- s = bfd_get_section_by_name (h->root.u.def.section->owner,
- ".rela.bss");
- BFD_ASSERT (s != NULL);
-
- rela.r_offset = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_COPY);
- rela.r_addend = 0;
- loc = s->contents + s->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
- }
-
- /* Mark some specially defined symbols as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
- || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
- sym->st_shndx = SHN_ABS;
-
- return TRUE;
-}
-
-/* Finish up the dynamic sections. */
-
-static bfd_boolean
-sparc64_elf_finish_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
-{
- bfd *dynobj;
- int stt_regidx = -1;
- asection *sdyn;
- struct sparc64_elf_link_hash_table *htab;
-
- htab = sparc64_elf_hash_table (info);
- dynobj = htab->elf.dynobj;
-
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
-
- if (elf_hash_table (info)->dynamic_sections_created)
- {
- asection *splt;
- Elf64_External_Dyn *dyncon, *dynconend;
-
- splt = bfd_get_section_by_name (dynobj, ".plt");
- BFD_ASSERT (splt != NULL && sdyn != NULL);
-
- dyncon = (Elf64_External_Dyn *) sdyn->contents;
- dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
- for (; dyncon < dynconend; dyncon++)
- {
- Elf_Internal_Dyn dyn;
- const char *name;
- bfd_boolean size;
-
- bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
-
- switch (dyn.d_tag)
- {
- case DT_PLTGOT: name = ".plt"; size = FALSE; break;
- case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
- case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
- case DT_SPARC_REGISTER:
- if (stt_regidx == -1)
- {
- stt_regidx =
- _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
- if (stt_regidx == -1)
- return FALSE;
- }
- dyn.d_un.d_val = stt_regidx++;
- bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
- /* fallthrough */
- default: name = NULL; size = FALSE; break;
- }
-
- if (name != NULL)
- {
- asection *s;
-
- s = bfd_get_section_by_name (output_bfd, name);
- if (s == NULL)
- dyn.d_un.d_val = 0;
- else
- {
- if (! size)
- dyn.d_un.d_ptr = s->vma;
- else
- dyn.d_un.d_val = s->size;
- }
- bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
- }
- }
-
- /* Initialize the contents of the .plt section. */
- if (splt->size > 0)
- memset (splt->contents, 0, 4 * PLT_ENTRY_SIZE);
-
- elf_section_data (splt->output_section)->this_hdr.sh_entsize =
- PLT_ENTRY_SIZE;
- }
-
- /* Set the first entry in the global offset table to the address of
- the dynamic section. */
- if (htab->sgot && htab->sgot->size > 0)
- {
- if (sdyn == NULL)
- bfd_put_64 (output_bfd, (bfd_vma) 0, htab->sgot->contents);
- else
- bfd_put_64 (output_bfd,
- sdyn->output_section->vma + sdyn->output_offset,
- htab->sgot->contents);
- }
-
- if (htab->sgot)
- elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 8;
-
- return TRUE;
-}
-
-\f
-/* Functions for dealing with the e_flags field. */
-
-/* Merge backend specific data from an object file to the output
- object file when linking. */
-
-static bfd_boolean
-sparc64_elf_merge_private_bfd_data (ibfd, obfd)
- bfd *ibfd;
- bfd *obfd;
-{
- bfd_boolean error;
- flagword new_flags, old_flags;
- int new_mm, old_mm;
-
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
-
- new_flags = elf_elfheader (ibfd)->e_flags;
- old_flags = elf_elfheader (obfd)->e_flags;
-
- if (!elf_flags_init (obfd)) /* First call, no flags set */
- {
- elf_flags_init (obfd) = TRUE;
- elf_elfheader (obfd)->e_flags = new_flags;
- }
-
- else if (new_flags == old_flags) /* Compatible flags are ok */
- ;
-
- else /* Incompatible flags */
projects / deliverable / binutils-gdb.git / blobdiff