+2017-10-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * elf-bfd.h (elf_backend_data): Remove gc_sweep_hook.
+ * elf32-arm.c (elf32_arm_gc_sweep_hook): Removed.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-bfin.c (bfin_gc_sweep_hook): Likewise.
+ (bfinfdpic_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-cr16.c (elf32_cr16_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-cris.c (cris_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-hppa.c (elf32_hppa_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-lm32.c (lm32_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-m32r.c (m32r_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-m68k.c (elf_m68k_got_entry): Remove elf_m68k_gc_sweep_hook
+ from comments.
+ (elf_m68k_remove_got_entry_type): Removed.
+ (elf_m68k_find_got_entry_ptr): Likewise.
+ (elf_m68k_remove_got_entry): Likewise.
+ (elf_m68k_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-mcore.c (mcore_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-metag.c (elf_metag_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-microblaze.c (elf_backend_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-mips.c (elf_backend_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-nds32.c (nds32_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-nios2.c (nios2_elf32_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-or1k.c (or1k_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-ppc.c (ppc_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-s390.c (elf_s390_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-sparc.c (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-tic6x.c (elf32_tic6x_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-tilegx.c (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-tilepro.c (tilepro_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-vax.c (elf_vax_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf32-xtensa.c (elf_xtensa_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf64-alpha.c (elf64_alpha_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf64-mips.c (elf_backend_gc_sweep_hook): Likewise.
+ * elf64-mmix.c (mmix_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf64-ppc.c (elf_backend_gc_sweep_hook): Likewise.
+ (ppc64_elf_gc_sweep_hook): Likewise.
+ * elf64-s390.c (elf_s390_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elf64-sparc.c (elf_backend_gc_sweep_hook): Likewise.
+ * elf64-tilegx.c (elf_backend_gc_sweep_hook): Likewise.
+ * elflink.c (elf_link_add_object_symbols): Don't call
+ _bfd_elf_link_check_relocs here.
+ (gc_sweep_hook_fn): Removed.
+ (elf_gc_sweep): Remove gc_sweep_hook.
+ * elfnn-aarch64.c (elfNN_aarch64_gc_sweep_hook): Removed.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elfnn-riscv.c (riscv_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elfxx-mips.c (_bfd_mips_elf_gc_sweep_hook): Likewise.
+ * elfxx-mips.h (_bfd_mips_elf_gc_sweep_hook): Likewise.
+ (elf_backend_gc_sweep_hook): Likewise.
+ * elfxx-sparc.c (_bfd_sparc_elf_gc_sweep_hook): Likewise.
+ * elfxx-sparc.h (_bfd_sparc_elf_gc_sweep_hook): Likewise.
+ * elfxx-target.h (elf_backend_gc_sweep_hook): Likewise.
+ (elfNN_bed): Remove elf_backend_gc_sweep_hook.
+ * elfxx-tilegx.c (tilegx_elf_gc_sweep_hook): Removed.
+ * elfxx-tilegx.h (tilegx_elf_gc_sweep_hook): Likewise.
+
2017-10-14 H.J. Lu <hongjiu.lu@intel.com>
* elf32-i386.c (elf_i386_backend_data): Removed.
bfd_boolean (*gc_mark_extra_sections)
(struct bfd_link_info *, elf_gc_mark_hook_fn);
- /* This function, if defined, is called during the sweep phase of gc
- in order that a backend might update any data structures it might
- be maintaining. */
- bfd_boolean (*gc_sweep_hook)
- (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
-
/* This function, if defined, is called after the ELF headers have
been created. This allows for things like the OS and ABI versions
to be changed. */
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
-elf32_arm_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;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- struct elf32_arm_link_hash_table * globals;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- globals = elf32_arm_hash_table (info);
- if (globals == NULL)
- return FALSE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = & elf_symtab_hdr (abfd);
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- check_use_blx (globals);
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h = NULL;
- struct elf32_arm_link_hash_entry *eh;
- int r_type;
- bfd_boolean call_reloc_p;
- bfd_boolean may_become_dynamic_p;
- bfd_boolean may_need_local_target_p;
- union gotplt_union *root_plt;
- struct arm_plt_info *arm_plt;
-
- 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;
- }
- eh = (struct elf32_arm_link_hash_entry *) h;
-
- call_reloc_p = FALSE;
- may_become_dynamic_p = FALSE;
- may_need_local_target_p = FALSE;
-
- r_type = ELF32_R_TYPE (rel->r_info);
- r_type = arm_real_reloc_type (globals, r_type);
- switch (r_type)
- {
- case R_ARM_GOT32:
- case R_ARM_GOT_PREL:
- case R_ARM_TLS_GD32:
- case R_ARM_TLS_IE32:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
-
- case R_ARM_TLS_LDM32:
- globals->tls_ldm_got.refcount -= 1;
- break;
-
- case R_ARM_PC24:
- case R_ARM_PLT32:
- case R_ARM_CALL:
- case R_ARM_JUMP24:
- case R_ARM_PREL31:
- case R_ARM_THM_CALL:
- case R_ARM_THM_JUMP24:
- case R_ARM_THM_JUMP19:
- call_reloc_p = TRUE;
- may_need_local_target_p = TRUE;
- break;
-
- case R_ARM_ABS12:
- if (!globals->vxworks_p)
- {
- may_need_local_target_p = TRUE;
- break;
- }
- /* Fall through. */
- case R_ARM_ABS32:
- case R_ARM_ABS32_NOI:
- case R_ARM_REL32:
- case R_ARM_REL32_NOI:
- case R_ARM_MOVW_ABS_NC:
- case R_ARM_MOVT_ABS:
- case R_ARM_MOVW_PREL_NC:
- case R_ARM_MOVT_PREL:
- case R_ARM_THM_MOVW_ABS_NC:
- case R_ARM_THM_MOVT_ABS:
- case R_ARM_THM_MOVW_PREL_NC:
- case R_ARM_THM_MOVT_PREL:
- /* Should the interworking branches be here also? */
- if ((bfd_link_pic (info) || globals->root.is_relocatable_executable)
- && (sec->flags & SEC_ALLOC) != 0)
- {
- if (h == NULL
- && elf32_arm_howto_from_type (r_type)->pc_relative)
- {
- call_reloc_p = TRUE;
- may_need_local_target_p = TRUE;
- }
- else
- may_become_dynamic_p = TRUE;
- }
- else
- may_need_local_target_p = TRUE;
- break;
-
- default:
- break;
- }
-
- if (may_need_local_target_p
- && elf32_arm_get_plt_info (abfd, globals, eh, r_symndx, &root_plt,
- &arm_plt))
- {
- /* If PLT refcount book-keeping is wrong and too low, we'll
- see a zero value (going to -1) for the root PLT reference
- count. */
- if (root_plt->refcount >= 0)
- {
- BFD_ASSERT (root_plt->refcount != 0);
- root_plt->refcount -= 1;
- }
- else
- /* A value of -1 means the symbol has become local, forced
- or seeing a hidden definition. Any other negative value
- is an error. */
- BFD_ASSERT (root_plt->refcount == -1);
-
- if (!call_reloc_p)
- arm_plt->noncall_refcount--;
-
- if (r_type == R_ARM_THM_CALL)
- arm_plt->maybe_thumb_refcount--;
-
- if (r_type == R_ARM_THM_JUMP24
- || r_type == R_ARM_THM_JUMP19)
- arm_plt->thumb_refcount--;
- }
-
- if (may_become_dynamic_p)
- {
- struct elf_dyn_relocs **pp;
- struct elf_dyn_relocs *p;
-
- if (h != NULL)
- pp = &(eh->dyn_relocs);
- else
- {
- Elf_Internal_Sym *isym;
-
- isym = bfd_sym_from_r_symndx (&globals->sym_cache,
- abfd, r_symndx);
- if (isym == NULL)
- return FALSE;
- pp = elf32_arm_get_local_dynreloc_list (abfd, r_symndx, isym);
- if (pp == NULL)
- return FALSE;
- }
- for (; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- /* Everything must go for SEC. */
- *pp = p->next;
- break;
- }
- }
- }
-
- return TRUE;
-}
-
/* Look through the relocs for a section during the first phase. */
static bfd_boolean
#define elf_backend_get_symbol_type elf32_arm_get_symbol_type
#define elf_backend_gc_mark_hook elf32_arm_gc_mark_hook
#define elf_backend_gc_mark_extra_sections elf32_arm_gc_mark_extra_sections
-#define elf_backend_gc_sweep_hook elf32_arm_gc_sweep_hook
#define elf_backend_check_relocs elf32_arm_check_relocs
#define elf_backend_update_relocs elf32_arm_update_relocs
#define elf_backend_relocate_section elf32_arm_relocate_section
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
-bfin_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;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- bfd *dynobj;
- asection *sgot;
- asection *srelgot;
-
- dynobj = elf_hash_table (info)->dynobj;
- if (dynobj == NULL)
- return TRUE;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- sgot = elf_hash_table (info)->sgot;
- srelgot = elf_hash_table (info)->srelgot;
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
-
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_BFIN_GOT:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->got.refcount > 0)
- {
- --h->got.refcount;
- if (h->got.refcount == 0)
- {
- /* We don't need the .got entry any more. */
- sgot->size -= 4;
- srelgot->size -= sizeof (Elf32_External_Rela);
- }
- }
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- {
- --local_got_refcounts[r_symndx];
- if (local_got_refcounts[r_symndx] == 0)
- {
- /* We don't need the .got entry any more. */
- sgot->size -= 4;
- if (bfd_link_pic (info))
- srelgot->size -= sizeof (Elf32_External_Rela);
- }
- }
- }
- break;
- default:
- break;
- }
- }
- return TRUE;
-}
\f
extern const bfd_target bfin_elf32_fdpic_vec;
#define IS_FDPIC(bfd) ((bfd)->xvec == &bfin_elf32_fdpic_vec)
return TRUE;
}
-/* Update the relocation information for the relocations of the section
- being removed. */
-
-static bfd_boolean
-bfinfdpic_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, **sym_hashes_end;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
- struct bfinfdpic_relocs_info *picrel;
-
- BFD_ASSERT (IS_FDPIC (abfd));
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf32_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
-
- rel_end = relocs + sec->reloc_count;
- for (rel = relocs; rel < rel_end; rel++)
- {
- struct elf_link_hash_entry *h;
- unsigned long r_symndx;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-
- if (h != NULL)
- picrel = bfinfdpic_relocs_info_for_global (bfinfdpic_relocs_info (info),
- abfd, h,
- rel->r_addend, NO_INSERT);
- else
- picrel = bfinfdpic_relocs_info_for_local (bfinfdpic_relocs_info
- (info), abfd, r_symndx,
- rel->r_addend, NO_INSERT);
-
- if (!picrel)
- return TRUE;
-
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_BFIN_PCREL24:
- case R_BFIN_PCREL24_JUMP_L:
- picrel->call--;
- break;
-
- case R_BFIN_FUNCDESC_VALUE:
- picrel->relocsfdv--;
- if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC)
- picrel->relocs32++;
- /* Fall through. */
-
- case R_BFIN_BYTE4_DATA:
- picrel->sym--;
- if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC)
- picrel->relocs32--;
- break;
-
- case R_BFIN_GOT17M4:
- picrel->got17m4--;
- break;
-
- case R_BFIN_GOTHI:
- case R_BFIN_GOTLO:
- picrel->gothilo--;
- break;
-
- case R_BFIN_FUNCDESC_GOT17M4:
- picrel->fdgot17m4--;
- break;
-
- case R_BFIN_FUNCDESC_GOTHI:
- case R_BFIN_FUNCDESC_GOTLO:
- picrel->fdgothilo--;
- break;
-
- case R_BFIN_GOTOFF17M4:
- case R_BFIN_GOTOFFHI:
- case R_BFIN_GOTOFFLO:
- picrel->gotoff--;
- break;
-
- case R_BFIN_FUNCDESC_GOTOFF17M4:
- picrel->fdgoff17m4--;
- break;
-
- case R_BFIN_FUNCDESC_GOTOFFHI:
- case R_BFIN_FUNCDESC_GOTOFFLO:
- picrel->fdgoffhilo--;
- break;
-
- case R_BFIN_FUNCDESC:
- picrel->fd--;
- picrel->relocsfd--;
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* We need dynamic symbols for every section, since segments can
relocate independently. */
static bfd_boolean
#define elf_backend_finish_dynamic_sections \
bfin_finish_dynamic_sections
#define elf_backend_gc_mark_hook bfin_gc_mark_hook
-#define elf_backend_gc_sweep_hook bfin_gc_sweep_hook
#define bfd_elf32_bfd_merge_private_bfd_data \
elf32_bfin_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags \
#undef elf32_bed
#define elf32_bed elf32_bfinfdpic_bed
-#undef elf_backend_gc_sweep_hook
-#define elf_backend_gc_sweep_hook bfinfdpic_gc_sweep_hook
-
#undef elf_backend_got_header_size
#define elf_backend_got_header_size 0
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
-elf32_cr16_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
-{
- /* We don't support garbage collection of GOT and PLT relocs yet. */
- return TRUE;
-}
-
/* Create dynamic sections when linking against a dynamic object. */
static bfd_boolean
#define bfd_elf32_bfd_get_relocated_section_contents \
elf32_cr16_get_relocated_section_contents
#define elf_backend_gc_mark_hook elf32_cr16_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf32_cr16_gc_sweep_hook
#define elf_backend_can_gc_sections 1
#define elf_backend_rela_normal 1
#define elf_backend_check_relocs cr16_elf_check_relocs
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
-cris_elf_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- struct elf_cris_link_hash_table * htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- bfd *dynobj;
- asection *sgot;
- asection *srelgot;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- dynobj = elf_hash_table (info)->dynobj;
- if (dynobj == NULL)
- return TRUE;
-
- htab = elf_cris_hash_table (info);
- if (htab == NULL)
- return FALSE;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- sgot = htab->root.sgot;
- srelgot = htab->root.srelgot;
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h = NULL;
- bfd_signed_vma got_element_size = 4;
- bfd_signed_vma *specific_refcount = NULL;
- enum elf_cris_reloc_type r_type;
-
- 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;
- }
-
- r_type = ELF32_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_CRIS_32_GOT:
- case R_CRIS_16_GOT:
- case R_CRIS_16_GOTPLT:
- case R_CRIS_32_GOTPLT:
- specific_refcount = h != NULL
- ? &((struct elf_cris_link_hash_entry *) h)->reg_got_refcount
- : &local_got_refcounts[LGOT_REG_NDX (r_symndx)];
- break;
-
- case R_CRIS_32_GD:
- case R_CRIS_32_GOT_GD:
- case R_CRIS_16_GOT_GD:
- got_element_size = 8;
- specific_refcount = h != NULL
- ? &((struct elf_cris_link_hash_entry *) h)->dtp_refcount
- : &local_got_refcounts[LGOT_DTP_NDX (r_symndx)];
- break;
-
- case R_CRIS_32_IE:
- case R_CRIS_16_GOT_TPREL:
- case R_CRIS_32_GOT_TPREL:
- specific_refcount = h != NULL
- ? &((struct elf_cris_link_hash_entry *) h)->tprel_refcount
- : &local_got_refcounts[LGOT_TPREL_NDX (r_symndx)];
- break;
-
- default:
- break;
- }
-
- switch (r_type)
- {
- case R_CRIS_32_IE:
- case R_CRIS_32_GD:
- case R_CRIS_16_GOT_TPREL:
- case R_CRIS_32_GOT_TPREL:
- case R_CRIS_32_GOT_GD:
- case R_CRIS_16_GOT_GD:
- case R_CRIS_16_GOT:
- case R_CRIS_32_GOT:
- if (h != NULL)
- {
- /* If the counters are 0 when we got here, we've
- miscounted somehow somewhere, an internal error. */
- BFD_ASSERT (h->got.refcount > 0);
- --h->got.refcount;
-
- BFD_ASSERT (*specific_refcount > 0);
- --*specific_refcount;
- if (*specific_refcount == 0)
- {
- /* We don't need the .got entry any more. */
- sgot->size -= got_element_size;
- srelgot->size -= sizeof (Elf32_External_Rela);
- }
- break;
- }
-
- local_got_reloc:
- if (local_got_refcounts != NULL)
- {
- /* If the counters are 0 when we got here, we've
- miscounted somehow somewhere, an internal error. */
- BFD_ASSERT (local_got_refcounts[r_symndx] > 0);
- --local_got_refcounts[r_symndx];
-
- BFD_ASSERT (*specific_refcount > 0);
- --*specific_refcount;
- if (*specific_refcount == 0)
- {
- /* We don't need the .got entry any more. */
- sgot->size -= got_element_size;
- if (bfd_link_pic (info))
- srelgot->size -= sizeof (Elf32_External_Rela);
- }
- }
- break;
-
- case R_CRIS_16_GOTPLT:
- case R_CRIS_32_GOTPLT:
- /* For local symbols, treat these like GOT relocs. */
- if (h == NULL)
- goto local_got_reloc;
- else
- /* For global symbols, adjust the reloc-specific refcount. */
- elf_cris_hash_entry (h)->gotplt_refcount--;
- /* Fall through. */
-
- case R_CRIS_32_PLT_GOTREL:
- /* FIXME: We don't garbage-collect away the .got section. */
- if (local_got_refcounts != NULL)
- local_got_refcounts[-1]--;
- /* Fall through. */
-
- case R_CRIS_8:
- case R_CRIS_16:
- case R_CRIS_32:
- case R_CRIS_8_PCREL:
- case R_CRIS_16_PCREL:
- case R_CRIS_32_PCREL:
- case R_CRIS_32_PLT_PCREL:
- /* Negate the increment we did in cris_elf_check_relocs. */
- if (h != NULL)
- {
- if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- && h->plt.refcount > 0)
- --h->plt.refcount;
- }
- break;
-
- case R_CRIS_32_DTPREL:
- /* This'd be a .dtpreld entry in e.g. debug info. */
- if ((sec->flags & SEC_ALLOC) == 0)
- break;
- /* Fall through. */
- case R_CRIS_16_DTPREL:
- htab->dtpmod_refcount--;
- if (htab->dtpmod_refcount == 0)
- htab->next_gotplt_entry -= 8;
- BFD_ASSERT (local_got_refcounts != NULL);
- local_got_refcounts[-1]--;
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* The elf_backend_plt_sym_val hook function. */
static bfd_vma
#define elf_info_to_howto cris_info_to_howto_rela
#define elf_backend_relocate_section cris_elf_relocate_section
#define elf_backend_gc_mark_hook cris_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook cris_elf_gc_sweep_hook
#define elf_backend_plt_sym_val cris_elf_plt_sym_val
#define elf_backend_check_relocs cris_elf_check_relocs
#define elf_backend_grok_prstatus cris_elf_grok_prstatus
return _bfd_elf_gc_mark_hook (sec, info, rela, hh, sym);
}
-/* Update the got and plt entry reference counts for the section being
- removed. */
-
-static bfd_boolean
-elf32_hppa_gc_sweep_hook (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 **eh_syms;
- bfd_signed_vma *local_got_refcounts;
- bfd_signed_vma *local_plt_refcounts;
- const Elf_Internal_Rela *rela, *relend;
- struct elf32_hppa_link_hash_table *htab;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- htab = hppa_link_hash_table (info);
- if (htab == NULL)
- return FALSE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- eh_syms = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
- local_plt_refcounts = local_got_refcounts;
- if (local_plt_refcounts != NULL)
- local_plt_refcounts += symtab_hdr->sh_info;
-
- relend = relocs + sec->reloc_count;
- for (rela = relocs; rela < relend; rela++)
- {
- unsigned long r_symndx;
- unsigned int r_type;
- struct elf_link_hash_entry *eh = NULL;
-
- r_symndx = ELF32_R_SYM (rela->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf32_hppa_link_hash_entry *hh;
- struct elf32_hppa_dyn_reloc_entry **hdh_pp;
- struct elf32_hppa_dyn_reloc_entry *hdh_p;
-
- eh = eh_syms[r_symndx - symtab_hdr->sh_info];
- while (eh->root.type == bfd_link_hash_indirect
- || eh->root.type == bfd_link_hash_warning)
- eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
- hh = hppa_elf_hash_entry (eh);
-
- for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL; hdh_pp = &hdh_p->hdh_next)
- if (hdh_p->sec == sec)
- {
- /* Everything must go for SEC. */
- *hdh_pp = hdh_p->hdh_next;
- break;
- }
- }
-
- r_type = ELF32_R_TYPE (rela->r_info);
- r_type = elf32_hppa_optimized_tls_reloc (info, r_type, eh != NULL);
-
- switch (r_type)
- {
- case R_PARISC_DLTIND14F:
- case R_PARISC_DLTIND14R:
- case R_PARISC_DLTIND21L:
- case R_PARISC_TLS_GD21L:
- case R_PARISC_TLS_GD14R:
- case R_PARISC_TLS_IE21L:
- case R_PARISC_TLS_IE14R:
- if (eh != NULL)
- {
- if (eh->got.refcount > 0)
- eh->got.refcount -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
-
- case R_PARISC_TLS_LDM21L:
- case R_PARISC_TLS_LDM14R:
- htab->tls_ldm_got.refcount -= 1;
- break;
-
- case R_PARISC_PCREL12F:
- case R_PARISC_PCREL17C:
- case R_PARISC_PCREL17F:
- case R_PARISC_PCREL22F:
- if (eh != NULL)
- {
- if (eh->plt.refcount > 0)
- eh->plt.refcount -= 1;
- }
- break;
-
- case R_PARISC_PLABEL14R:
- case R_PARISC_PLABEL21L:
- case R_PARISC_PLABEL32:
- if (eh != NULL)
- {
- if (eh->plt.refcount > 0)
- eh->plt.refcount -= 1;
- }
- else if (local_plt_refcounts != NULL)
- {
- if (local_plt_refcounts[r_symndx] > 0)
- local_plt_refcounts[r_symndx] -= 1;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Support for core dump NOTE sections. */
static bfd_boolean
#define elf_backend_size_dynamic_sections elf32_hppa_size_dynamic_sections
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
#define elf_backend_gc_mark_hook elf32_hppa_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf32_hppa_gc_sweep_hook
#define elf_backend_grok_prstatus elf32_hppa_grok_prstatus
#define elf_backend_grok_psinfo elf32_hppa_grok_psinfo
#define elf_backend_object_p elf32_hppa_object_p
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-static bfd_boolean
-lm32_elf_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
-{
- /* Update the got entry reference counts for the section being removed. */
- 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;
- 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_LM32_16_GOT:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- default:
- break;
- }
- }
- return TRUE;
-}
-
/* Look through the relocs for a section during the first phase. */
static bfd_boolean
#define elf_backend_can_gc_sections 1
#define elf_backend_can_refcount 1
#define elf_backend_gc_mark_hook lm32_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook lm32_elf_gc_sweep_hook
#define elf_backend_plt_readonly 1
#define elf_backend_want_got_plt 1
#define elf_backend_want_plt_sym 0
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-static bfd_boolean
-m32r_elf_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
-{
- /* Update the got entry reference counts for the section being removed. */
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- 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;
- 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_M32R_GOT16_HI_ULO:
- case R_M32R_GOT16_HI_SLO:
- case R_M32R_GOT16_LO:
- case R_M32R_GOTOFF:
- case R_M32R_GOTOFF_HI_ULO:
- case R_M32R_GOTOFF_HI_SLO:
- case R_M32R_GOTOFF_LO:
- case R_M32R_GOT24:
- case R_M32R_GOTPC_HI_ULO:
- case R_M32R_GOTPC_HI_SLO:
- case R_M32R_GOTPC_LO:
- case R_M32R_GOTPC24:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_M32R_16_RELA:
- case R_M32R_24_RELA:
- case R_M32R_32_RELA:
- case R_M32R_REL32:
- case R_M32R_HI16_ULO_RELA:
- case R_M32R_HI16_SLO_RELA:
- case R_M32R_LO16_RELA:
- case R_M32R_SDA16_RELA:
- case R_M32R_10_PCREL_RELA:
- case R_M32R_18_PCREL_RELA:
- case R_M32R_26_PCREL_RELA:
- if (h != NULL)
- {
- struct elf_m32r_link_hash_entry *eh;
- struct elf_m32r_dyn_relocs **pp;
- struct elf_m32r_dyn_relocs *p;
-
- if (!bfd_link_pic (info) && h->plt.refcount > 0)
- h->plt.refcount -= 1;
-
- eh = (struct elf_m32r_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- if ( ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_18_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_10_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_REL32)
- p->pc_count -= 1;
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
- }
- break;
-
- case R_M32R_26_PLTREL:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Look through the relocs for a section during the first phase.
Since we don't do .gots or .plts, we just need to consider the
virtual table relocs for gc. */
#define elf_backend_add_symbol_hook m32r_elf_add_symbol_hook
#define elf_backend_relocate_section m32r_elf_relocate_section
#define elf_backend_gc_mark_hook m32r_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook m32r_elf_gc_sweep_hook
#define elf_backend_check_relocs m32r_elf_check_relocs
#define elf_backend_create_dynamic_sections m32r_elf_create_dynamic_sections
{
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;
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. */
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
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. */
#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
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
-mcore_elf_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info * info ATTRIBUTE_UNUSED,
- asection * sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED)
-{
- return TRUE;
-}
-
/* Look through the relocs for a section during the first phase.
Since we don't do .gots or .plts, we just need to consider the
virtual table relocs for gc. */
#define bfd_elf32_bfd_reloc_name_lookup mcore_elf_reloc_name_lookup
#define elf_backend_relocate_section mcore_elf_relocate_section
#define elf_backend_gc_mark_hook mcore_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook mcore_elf_gc_sweep_hook
#define elf_backend_check_relocs mcore_elf_check_relocs
#define elf_backend_special_sections mcore_elf_special_sections
return _bfd_elf_gc_mark_hook (sec, info, rela, hh, sym);
}
-/* Update the got and plt entry reference counts for the section being
- removed. */
-
-static bfd_boolean
-elf_metag_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **eh_syms;
- bfd_signed_vma *local_got_refcounts;
- bfd_signed_vma *local_plt_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- eh_syms = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
- local_plt_refcounts = local_got_refcounts;
- if (local_plt_refcounts != NULL)
- local_plt_refcounts += symtab_hdr->sh_info;
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- unsigned int r_type;
- struct elf_link_hash_entry *eh = NULL;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf_metag_link_hash_entry *hh;
- struct elf_metag_dyn_reloc_entry **hdh_pp;
- struct elf_metag_dyn_reloc_entry *hdh_p;
-
- eh = eh_syms[r_symndx - symtab_hdr->sh_info];
- while (eh->root.type == bfd_link_hash_indirect
- || eh->root.type == bfd_link_hash_warning)
- eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
- hh = (struct elf_metag_link_hash_entry *) eh;
-
- for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL;
- hdh_pp = &hdh_p->hdh_next)
- if (hdh_p->sec == sec)
- {
- /* Everything must go for SEC. */
- *hdh_pp = hdh_p->hdh_next;
- break;
- }
- }
-
- r_type = ELF32_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_METAG_TLS_LDM:
- if (metag_link_hash_table (info)->tls_ldm_got.refcount > 0)
- metag_link_hash_table (info)->tls_ldm_got.refcount -= 1;
- break;
- case R_METAG_TLS_IE:
- case R_METAG_TLS_GD:
- case R_METAG_GETSET_GOT:
- if (eh != NULL)
- {
- if (eh->got.refcount > 0)
- eh->got.refcount -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
-
- case R_METAG_RELBRANCH_PLT:
- if (eh != NULL)
- {
- if (eh->plt.refcount > 0)
- eh->plt.refcount -= 1;
- }
- break;
-
- case R_METAG_ADDR32:
- case R_METAG_HIADDR16:
- case R_METAG_LOADDR16:
- case R_METAG_GETSETOFF:
- case R_METAG_RELBRANCH:
- if (eh != NULL)
- {
- struct elf_metag_link_hash_entry *hh;
- struct elf_metag_dyn_reloc_entry **hdh_pp;
- struct elf_metag_dyn_reloc_entry *hdh_p;
-
- if (!bfd_link_pic (info) && eh->plt.refcount > 0)
- eh->plt.refcount -= 1;
-
- hh = (struct elf_metag_link_hash_entry *) eh;
-
- for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL;
- hdh_pp = &hdh_p->hdh_next)
- if (hdh_p->sec == sec)
- {
- if (ELF32_R_TYPE (rel->r_info) == R_METAG_RELBRANCH)
- hdh_p->relative_count -= 1;
- hdh_p->count -= 1;
- if (hdh_p->count == 0)
- *hdh_pp = hdh_p->hdh_next;
- break;
- }
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Determine the type of stub needed, if any, for a call. */
static enum elf_metag_stub_type
elf_metag_link_hash_table_create
#define elf_backend_relocate_section elf_metag_relocate_section
#define elf_backend_gc_mark_hook elf_metag_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf_metag_gc_sweep_hook
#define elf_backend_check_relocs elf_metag_check_relocs
#define elf_backend_create_dynamic_sections elf_metag_create_dynamic_sections
#define elf_backend_adjust_dynamic_symbol elf_metag_adjust_dynamic_symbol
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
-microblaze_elf_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info * info ATTRIBUTE_UNUSED,
- asection * sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED)
-{
- return TRUE;
-}
-
/* PIC support. */
#define PLT_ENTRY_SIZE 16
#define bfd_elf32_bfd_reloc_name_lookup microblaze_elf_reloc_name_lookup
#define elf_backend_gc_mark_hook microblaze_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook microblaze_elf_gc_sweep_hook
#define elf_backend_check_relocs microblaze_elf_check_relocs
#define elf_backend_copy_indirect_symbol microblaze_elf_copy_indirect_symbol
#define bfd_elf32_bfd_link_hash_table_create microblaze_elf_link_hash_table_create
_bfd_mips_elf_additional_program_headers
#define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
#define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
#define elf_backend_copy_indirect_symbol \
_bfd_mips_elf_copy_indirect_symbol
#define elf_backend_grok_prstatus elf32_mips_grok_prstatus
static bfd_boolean nds32_elf_merge_private_bfd_data
(bfd *, struct bfd_link_info *);
static bfd_boolean nds32_elf_print_private_bfd_data (bfd *, void *);
-static bfd_boolean nds32_elf_gc_sweep_hook
- (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
static bfd_boolean nds32_elf_check_relocs
(bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
static asection *nds32_elf_gc_mark_hook
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-static bfd_boolean
-nds32_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- /* Update the got entry reference counts for the section being removed. */
- 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;
- struct elf_link_hash_entry *h = NULL;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- /* External symbol. */
- 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_NDS32_GOT_HI20:
- case R_NDS32_GOT_LO12:
- case R_NDS32_GOT_LO15:
- case R_NDS32_GOT_LO19:
- case R_NDS32_GOT17S2_RELA:
- case R_NDS32_GOT15S2_RELA:
- case R_NDS32_GOTOFF:
- case R_NDS32_GOTOFF_HI20:
- case R_NDS32_GOTOFF_LO12:
- case R_NDS32_GOTOFF_LO15:
- case R_NDS32_GOTOFF_LO19:
- case R_NDS32_GOT20:
- case R_NDS32_GOTPC_HI20:
- case R_NDS32_GOTPC_LO12:
- case R_NDS32_GOTPC20:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_NDS32_16_RELA:
- case R_NDS32_20_RELA:
- case R_NDS32_5_RELA:
- case R_NDS32_32_RELA:
- case R_NDS32_HI20_RELA:
- case R_NDS32_LO12S3_RELA:
- case R_NDS32_LO12S2_RELA:
- case R_NDS32_LO12S2_DP_RELA:
- case R_NDS32_LO12S2_SP_RELA:
- case R_NDS32_LO12S1_RELA:
- case R_NDS32_LO12S0_RELA:
- case R_NDS32_LO12S0_ORI_RELA:
- case R_NDS32_SDA16S3_RELA:
- case R_NDS32_SDA17S2_RELA:
- case R_NDS32_SDA18S1_RELA:
- case R_NDS32_SDA19S0_RELA:
- case R_NDS32_SDA15S3_RELA:
- case R_NDS32_SDA15S2_RELA:
- case R_NDS32_SDA12S2_DP_RELA:
- case R_NDS32_SDA12S2_SP_RELA:
- case R_NDS32_SDA15S1_RELA:
- case R_NDS32_SDA15S0_RELA:
- case R_NDS32_SDA_FP7U2_RELA:
- case R_NDS32_15_PCREL_RELA:
- case R_NDS32_17_PCREL_RELA:
- case R_NDS32_25_PCREL_RELA:
- if (h != NULL)
- {
- struct elf_nds32_link_hash_entry *eh;
- struct elf_nds32_dyn_relocs **pp;
- struct elf_nds32_dyn_relocs *p;
-
- if (!bfd_link_pic (info) && h->plt.refcount > 0)
- h->plt.refcount -= 1;
-
- eh = (struct elf_nds32_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- if (ELF32_R_TYPE (rel->r_info) == R_NDS32_15_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_NDS32_17_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_NDS32_25_PCREL_RELA)
- p->pc_count -= 1;
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
- }
- break;
-
- case R_NDS32_9_PLTREL:
- case R_NDS32_25_PLTREL:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Look through the relocs for a section during the first phase.
Since we don't do .gots or .plts, we just need to consider the
virtual table relocs for gc. */
#define elf_backend_size_dynamic_sections nds32_elf_size_dynamic_sections
#define elf_backend_relocate_section nds32_elf_relocate_section
#define elf_backend_gc_mark_hook nds32_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook nds32_elf_gc_sweep_hook
#define elf_backend_grok_prstatus nds32_elf_grok_prstatus
#define elf_backend_grok_psinfo nds32_elf_grok_psinfo
#define elf_backend_reloc_type_class nds32_elf_reloc_type_class
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-/* Implement elf_backend_gc_sweep_hook:
- Update the got entry reference counts for the section being removed. */
-static bfd_boolean
-nios2_elf32_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;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- bfd *dynobj;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- dynobj = elf_hash_table (info)->dynobj;
- if (dynobj == NULL)
- return TRUE;
-
- 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;
- struct elf_link_hash_entry *h = NULL;
- int r_type;
-
- 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;
- }
-
- r_type = ELF32_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_NIOS2_GOT16:
- case R_NIOS2_GOT_LO:
- case R_NIOS2_GOT_HA:
- case R_NIOS2_CALL16:
- case R_NIOS2_CALL_LO:
- case R_NIOS2_CALL_HA:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- --h->got.refcount;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- --local_got_refcounts[r_symndx];
- }
- break;
-
- case R_NIOS2_PCREL_LO:
- case R_NIOS2_PCREL_HA:
- case R_NIOS2_BFD_RELOC_32:
- case R_NIOS2_CALL26:
- case R_NIOS2_CALL26_NOAT:
- if (h != NULL)
- {
- struct elf32_nios2_link_hash_entry *eh;
- struct elf32_nios2_dyn_relocs **pp;
- struct elf32_nios2_dyn_relocs *p;
-
- eh = (struct elf32_nios2_link_hash_entry *) h;
-
- if (h->plt.refcount > 0)
- --h->plt.refcount;
-
- if (r_type == R_NIOS2_PCREL_LO || r_type == R_NIOS2_PCREL_HA
- || r_type == R_NIOS2_BFD_RELOC_32)
- {
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL;
- pp = &p->next)
- if (p->sec == sec)
- {
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
- }
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Implement elf_backend_finish_dynamic_symbols:
Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
#define elf_backend_check_relocs nios2_elf32_check_relocs
#define elf_backend_gc_mark_hook nios2_elf32_gc_mark_hook
-#define elf_backend_gc_sweep_hook nios2_elf32_gc_sweep_hook
#define elf_backend_create_dynamic_sections \
nios2_elf32_create_dynamic_sections
#define elf_backend_finish_dynamic_symbol nios2_elf32_finish_dynamic_symbol
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-static bfd_boolean
-or1k_elf_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
-{
- /* Update the got entry reference counts for the section being removed. */
- 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;
- 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_OR1K_GOT16:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- default:
- break;
- }
- }
- return TRUE;
-}
-
/* Look through the relocs for a section during the first phase. */
static bfd_boolean
#define elf_info_to_howto or1k_info_to_howto_rela
#define elf_backend_relocate_section or1k_elf_relocate_section
#define elf_backend_gc_mark_hook or1k_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook or1k_elf_gc_sweep_hook
#define elf_backend_check_relocs or1k_elf_check_relocs
#define elf_backend_reloc_type_class or1k_elf_reloc_type_class
#define elf_backend_can_gc_sections 1
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-
-/* Update the got, plt and dynamic reloc reference counts for the
- section being removed. */
-
-static bfd_boolean
-ppc_elf_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- struct ppc_elf_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- asection *got2;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- if ((sec->flags & SEC_ALLOC) == 0)
- return TRUE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- htab = ppc_elf_hash_table (info);
- symtab_hdr = &elf_symtab_hdr (abfd);
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
- got2 = bfd_get_section_by_name (abfd, ".got2");
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- enum elf_ppc_reloc_type r_type;
- struct elf_link_hash_entry *h = NULL;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf_dyn_relocs **pp, *p;
- struct ppc_elf_link_hash_entry *eh;
-
- 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 ppc_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 = ELF32_R_TYPE (rel->r_info);
- if (!htab->is_vxworks
- && h == NULL
- && local_got_refcounts != NULL
- && (!bfd_link_pic (info)
- || is_branch_reloc (r_type)))
- {
- struct plt_entry **local_plt = (struct plt_entry **)
- (local_got_refcounts + symtab_hdr->sh_info);
- char *local_got_tls_masks = (char *)
- (local_plt + symtab_hdr->sh_info);
- if ((local_got_tls_masks[r_symndx] & PLT_IFUNC) != 0)
- {
- struct plt_entry **ifunc = local_plt + r_symndx;
- bfd_vma addend = 0;
- struct plt_entry *ent;
-
- if (r_type == R_PPC_PLTREL24 && bfd_link_pic (info))
- addend = rel->r_addend;
- ent = find_plt_ent (ifunc, got2, addend);
- if (ent->plt.refcount > 0)
- ent->plt.refcount -= 1;
- continue;
- }
- }
-
- switch (r_type)
- {
- case R_PPC_GOT_TLSLD16:
- case R_PPC_GOT_TLSLD16_LO:
- case R_PPC_GOT_TLSLD16_HI:
- case R_PPC_GOT_TLSLD16_HA:
- case R_PPC_GOT_TLSGD16:
- case R_PPC_GOT_TLSGD16_LO:
- case R_PPC_GOT_TLSGD16_HI:
- case R_PPC_GOT_TLSGD16_HA:
- case R_PPC_GOT_TPREL16:
- case R_PPC_GOT_TPREL16_LO:
- case R_PPC_GOT_TPREL16_HI:
- case R_PPC_GOT_TPREL16_HA:
- case R_PPC_GOT_DTPREL16:
- case R_PPC_GOT_DTPREL16_LO:
- case R_PPC_GOT_DTPREL16_HI:
- case R_PPC_GOT_DTPREL16_HA:
- case R_PPC_GOT16:
- case R_PPC_GOT16_LO:
- case R_PPC_GOT16_HI:
- case R_PPC_GOT16_HA:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- if (!bfd_link_pic (info))
- {
- struct plt_entry *ent;
-
- ent = find_plt_ent (&h->plt.plist, NULL, 0);
- if (ent != NULL && ent->plt.refcount > 0)
- ent->plt.refcount -= 1;
- }
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_PPC_REL24:
- case R_PPC_REL14:
- case R_PPC_REL14_BRTAKEN:
- case R_PPC_REL14_BRNTAKEN:
- case R_PPC_REL32:
- if (h == NULL || h == htab->elf.hgot)
- break;
- /* Fall through. */
-
- case R_PPC_ADDR32:
- case R_PPC_ADDR24:
- case R_PPC_ADDR16:
- case R_PPC_ADDR16_LO:
- case R_PPC_ADDR16_HI:
- case R_PPC_ADDR16_HA:
- case R_PPC_ADDR14:
- case R_PPC_ADDR14_BRTAKEN:
- case R_PPC_ADDR14_BRNTAKEN:
- case R_PPC_UADDR32:
- case R_PPC_UADDR16:
- if (bfd_link_pic (info))
- break;
- /* Fall through. */
-
- case R_PPC_PLT32:
- case R_PPC_PLTREL24:
- case R_PPC_PLTREL32:
- case R_PPC_PLT16_LO:
- case R_PPC_PLT16_HI:
- case R_PPC_PLT16_HA:
- if (h != NULL)
- {
- bfd_vma addend = 0;
- struct plt_entry *ent;
-
- if (r_type == R_PPC_PLTREL24 && bfd_link_pic (info))
- addend = rel->r_addend;
- ent = find_plt_ent (&h->plt.plist, got2, addend);
- if (ent != NULL && ent->plt.refcount > 0)
- ent->plt.refcount -= 1;
- }
- break;
-
- default:
- break;
- }
- }
- return TRUE;
-}
\f
/* Set plt output section type, htab->tls_get_addr, and call the
generic ELF tls_setup function. */
#define elf_backend_object_p ppc_elf_object_p
#define elf_backend_gc_mark_hook ppc_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook ppc_elf_gc_sweep_hook
#define elf_backend_section_from_shdr ppc_elf_section_from_shdr
#define elf_backend_relocate_section ppc_elf_relocate_section
#define elf_backend_create_dynamic_sections ppc_elf_create_dynamic_sections
}
-/* Update the got entry reference counts for the section being removed. */
-
-static bfd_boolean
-elf_s390_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- struct elf_s390_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- htab = elf_s390_hash_table (info);
- if (htab == NULL)
- return FALSE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_symtab_hdr (abfd);
- 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 = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf_s390_link_hash_entry *eh;
- struct elf_dyn_relocs **pp;
- struct 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 elf_s390_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;
- }
- }
- else
- {
- Elf_Internal_Sym *isym;
-
- /* A local symbol. */
- isym = bfd_sym_from_r_symndx (&htab->sym_cache,
- abfd, r_symndx);
- if (isym == NULL)
- return FALSE;
-
- if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
- {
- struct plt_entry *plt = elf_s390_local_plt (abfd);
- if (plt[r_symndx].plt.refcount > 0)
- plt[r_symndx].plt.refcount--;
- }
- }
-
- r_type = ELF32_R_TYPE (rel->r_info);
- r_type = elf_s390_tls_transition (info, r_type, h != NULL);
- switch (r_type)
- {
- case R_390_TLS_LDM32:
- if (elf_s390_hash_table (info)->tls_ldm_got.refcount > 0)
- elf_s390_hash_table (info)->tls_ldm_got.refcount -= 1;
- break;
-
- case R_390_GOTOFF16:
- case R_390_GOTOFF32:
- if (h != NULL && s390_is_ifunc_symbol_p (h) && h->def_regular)
- {
- h->plt.refcount--;
- break;
- }
-
- case R_390_GOTPC:
- case R_390_GOTPCDBL:
- break;
-
- case R_390_TLS_GD32:
- case R_390_TLS_IE32:
- case R_390_TLS_GOTIE12:
- case R_390_TLS_GOTIE20:
- case R_390_TLS_GOTIE32:
- case R_390_TLS_IEENT:
- case R_390_GOT12:
- case R_390_GOT16:
- case R_390_GOT20:
- case R_390_GOT32:
- case R_390_GOTENT:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
-
- case R_390_8:
- case R_390_12:
- case R_390_16:
- case R_390_20:
- case R_390_32:
- case R_390_PC16:
- case R_390_PC12DBL:
- case R_390_PC16DBL:
- case R_390_PC24DBL:
- case R_390_PC32DBL:
- case R_390_PC32:
- if (bfd_link_pic (info))
- break;
- /* Fall through. */
-
- case R_390_PLT12DBL:
- case R_390_PLT16DBL:
- case R_390_PLT24DBL:
- case R_390_PLT32DBL:
- case R_390_PLT32:
- case R_390_PLTOFF16:
- case R_390_PLTOFF32:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
- }
- break;
-
- case R_390_GOTPLT12:
- case R_390_GOTPLT16:
- case R_390_GOTPLT20:
- case R_390_GOTPLT32:
- case R_390_GOTPLTENT:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- {
- ((struct elf_s390_link_hash_entry *) h)->gotplt_refcount--;
- h->plt.refcount -= 1;
- }
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Make sure we emit a GOT entry if the symbol was supposed to have a PLT
entry but we found we will not create any. Called when we find we will
not have any PLT for this symbol, by for example
#define elf_backend_finish_dynamic_sections elf_s390_finish_dynamic_sections
#define elf_backend_finish_dynamic_symbol elf_s390_finish_dynamic_symbol
#define elf_backend_gc_mark_hook elf_s390_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf_s390_gc_sweep_hook
#define elf_backend_reloc_type_class elf_s390_reloc_type_class
#define elf_backend_relocate_section elf_s390_relocate_section
#define elf_backend_size_dynamic_sections elf_s390_size_dynamic_sections
#define bfd_elf32_mkobject _bfd_sparc_elf_mkobject
#define elf_backend_object_p _bfd_sparc_elf_object_p
#define elf_backend_gc_mark_hook _bfd_sparc_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook _bfd_sparc_elf_gc_sweep_hook
#define elf_backend_plt_sym_val _bfd_sparc_elf_plt_sym_val
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
#define elf_backend_fixup_symbol _bfd_sparc_elf_fixup_symbol
return TRUE;
}
-/* Update the got entry reference counts for the section being removed. */
-
-static bfd_boolean
-elf32_tic6x_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- struct elf32_tic6x_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- htab = elf32_tic6x_hash_table (info);
- if (htab == NULL)
- return FALSE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_symtab_hdr (abfd);
- 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 = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf32_tic6x_link_hash_entry *eh;
- struct elf_dyn_relocs **pp;
- struct 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 elf32_tic6x_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 = ELF32_R_TYPE (rel->r_info);
-
- switch (r_type)
- {
- case R_C6000_SBR_GOT_U15_W:
- case R_C6000_SBR_GOT_L16_W:
- case R_C6000_SBR_GOT_H16_W:
- case R_C6000_EHTYPE:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- 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
#define elf_backend_rela_normal 1
#define elf_backend_got_header_size 8
#define elf_backend_fake_sections elf32_tic6x_fake_sections
-#define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook
#define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
#define elf_backend_create_dynamic_sections \
elf32_tic6x_create_dynamic_sections
#define elf_backend_finish_dynamic_symbol tilegx_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections tilegx_elf_finish_dynamic_sections
#define elf_backend_gc_mark_hook tilegx_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook tilegx_elf_gc_sweep_hook
#define elf_backend_plt_sym_val tilegx_elf_plt_sym_val
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto tilegx_info_to_howto_rela
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
-tilepro_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
- asection *sec, const Elf_Internal_Rela *relocs)
-{
- struct tilepro_elf_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- BFD_ASSERT (is_tilepro_elf (abfd) || sec->reloc_count == 0);
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- htab = tilepro_elf_hash_table (info);
- BFD_ASSERT (htab != NULL);
- symtab_hdr = &elf_symtab_hdr (abfd);
- 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 = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct tilepro_elf_link_hash_entry *eh;
- struct tilepro_elf_dyn_relocs **pp;
- struct tilepro_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 tilepro_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 = ELF32_R_TYPE (rel->r_info);
- r_type = tilepro_elf_tls_transition (info, r_type, h != NULL);
- switch (r_type)
- {
- case R_TILEPRO_IMM16_X0_GOT:
- case R_TILEPRO_IMM16_X1_GOT:
- case R_TILEPRO_IMM16_X0_GOT_LO:
- case R_TILEPRO_IMM16_X1_GOT_LO:
- case R_TILEPRO_IMM16_X0_GOT_HI:
- case R_TILEPRO_IMM16_X1_GOT_HI:
- case R_TILEPRO_IMM16_X0_GOT_HA:
- case R_TILEPRO_IMM16_X1_GOT_HA:
- case R_TILEPRO_IMM16_X0_TLS_GD:
- case R_TILEPRO_IMM16_X1_TLS_GD:
- case R_TILEPRO_IMM16_X0_TLS_GD_LO:
- case R_TILEPRO_IMM16_X1_TLS_GD_LO:
- case R_TILEPRO_IMM16_X0_TLS_GD_HI:
- case R_TILEPRO_IMM16_X1_TLS_GD_HI:
- case R_TILEPRO_IMM16_X0_TLS_GD_HA:
- case R_TILEPRO_IMM16_X1_TLS_GD_HA:
- case R_TILEPRO_IMM16_X0_TLS_IE:
- case R_TILEPRO_IMM16_X1_TLS_IE:
- case R_TILEPRO_IMM16_X0_TLS_IE_LO:
- case R_TILEPRO_IMM16_X1_TLS_IE_LO:
- case R_TILEPRO_IMM16_X0_TLS_IE_HI:
- case R_TILEPRO_IMM16_X1_TLS_IE_HI:
- case R_TILEPRO_IMM16_X0_TLS_IE_HA:
- case R_TILEPRO_IMM16_X1_TLS_IE_HA:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts &&
- local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_TILEPRO_32_PCREL:
- case R_TILEPRO_16_PCREL:
- case R_TILEPRO_8_PCREL:
- case R_TILEPRO_IMM16_X0_PCREL:
- case R_TILEPRO_IMM16_X1_PCREL:
- case R_TILEPRO_IMM16_X0_LO_PCREL:
- case R_TILEPRO_IMM16_X1_LO_PCREL:
- case R_TILEPRO_IMM16_X0_HI_PCREL:
- case R_TILEPRO_IMM16_X1_HI_PCREL:
- case R_TILEPRO_IMM16_X0_HA_PCREL:
- case R_TILEPRO_IMM16_X1_HA_PCREL:
- if (h != NULL
- && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* Fall through. */
-
- case R_TILEPRO_32:
- case R_TILEPRO_16:
- case R_TILEPRO_8:
- case R_TILEPRO_LO16:
- case R_TILEPRO_HI16:
- case R_TILEPRO_HA16:
- case R_TILEPRO_COPY:
- case R_TILEPRO_GLOB_DAT:
- case R_TILEPRO_JMP_SLOT:
- case R_TILEPRO_RELATIVE:
- case R_TILEPRO_BROFF_X1:
- case R_TILEPRO_JOFFLONG_X1:
- case R_TILEPRO_IMM8_X0:
- case R_TILEPRO_IMM8_Y0:
- case R_TILEPRO_IMM8_X1:
- case R_TILEPRO_IMM8_Y1:
- case R_TILEPRO_DEST_IMM8_X1:
- case R_TILEPRO_MT_IMM15_X1:
- case R_TILEPRO_MF_IMM15_X1:
- case R_TILEPRO_IMM16_X0:
- case R_TILEPRO_IMM16_X1:
- case R_TILEPRO_IMM16_X0_LO:
- case R_TILEPRO_IMM16_X1_LO:
- case R_TILEPRO_IMM16_X0_HI:
- case R_TILEPRO_IMM16_X1_HI:
- case R_TILEPRO_IMM16_X0_HA:
- case R_TILEPRO_IMM16_X1_HA:
- case R_TILEPRO_MMSTART_X0:
- case R_TILEPRO_MMEND_X0:
- case R_TILEPRO_MMSTART_X1:
- case R_TILEPRO_MMEND_X1:
- case R_TILEPRO_SHAMT_X0:
- case R_TILEPRO_SHAMT_X1:
- case R_TILEPRO_SHAMT_Y0:
- case R_TILEPRO_SHAMT_Y1:
- if (bfd_link_pic (info))
- break;
- /* Fall through. */
-
- case R_TILEPRO_JOFFLONG_X1_PLT:
- 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
#define elf_backend_finish_dynamic_symbol tilepro_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections tilepro_elf_finish_dynamic_sections
#define elf_backend_gc_mark_hook tilepro_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook tilepro_elf_gc_sweep_hook
#define elf_backend_plt_sym_val tilepro_elf_plt_sym_val
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto tilepro_info_to_howto_rela
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_vax_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;
-
- 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);
-
- 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_VAX_GOT32:
- if (h != NULL && h->got.refcount > 0)
- --h->got.refcount;
- break;
-
- case R_VAX_PLT32:
- case R_VAX_PC8:
- case R_VAX_PC16:
- case R_VAX_PC32:
- case R_VAX_8:
- case R_VAX_16:
- case R_VAX_32:
- if (h != NULL && 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
elf_vax_finish_dynamic_sections
#define elf_backend_reloc_type_class elf_vax_reloc_type_class
#define elf_backend_gc_mark_hook elf_vax_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf_vax_gc_sweep_hook
#define elf_backend_plt_sym_val elf_vax_plt_sym_val
#define bfd_elf32_bfd_merge_private_bfd_data \
elf32_vax_merge_private_bfd_data
}
-/* Update the GOT & PLT entry reference counts
- for the section being removed. */
-
-static bfd_boolean
-elf_xtensa_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;
- struct elf_xtensa_link_hash_table *htab;
-
- htab = elf_xtensa_hash_table (info);
- if (htab == NULL)
- return FALSE;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- if ((sec->flags & SEC_ALLOC) == 0)
- return TRUE;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (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;
- struct elf_xtensa_link_hash_entry *eh;
- bfd_boolean is_got = FALSE;
- bfd_boolean is_plt = FALSE;
- bfd_boolean is_tlsfunc = FALSE;
-
- 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;
- }
- eh = elf_xtensa_hash_entry (h);
-
- r_type = ELF32_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_XTENSA_TLSDESC_FN:
- if (bfd_link_pic (info))
- {
- is_got = TRUE;
- is_tlsfunc = TRUE;
- }
- break;
-
- case R_XTENSA_TLSDESC_ARG:
- if (bfd_link_pic (info))
- is_got = TRUE;
- else
- {
- if (h && elf_xtensa_hash_entry (h) != htab->tlsbase)
- is_got = TRUE;
- }
- break;
-
- case R_XTENSA_TLS_TPOFF:
- if (bfd_link_pic (info) || h)
- is_got = TRUE;
- break;
-
- case R_XTENSA_32:
- is_got = TRUE;
- break;
-
- case R_XTENSA_PLT:
- is_plt = TRUE;
- break;
-
- default:
- continue;
- }
-
- if (h)
- {
- if (is_plt)
- {
- /* If the symbol has been localized its plt.refcount got moved
- to got.refcount. Handle it as GOT. */
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- else
- is_got = TRUE;
- }
- if (is_got)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- if (is_tlsfunc)
- {
- if (eh->tlsfunc_refcount > 0)
- eh->tlsfunc_refcount--;
- }
- }
- else
- {
- if (is_got || is_plt)
- {
- bfd_signed_vma *got_refcount
- = &elf_local_got_refcounts (abfd) [r_symndx];
- if (*got_refcount > 0)
- *got_refcount -= 1;
- }
- if (is_tlsfunc)
- {
- bfd_signed_vma *tlsfunc_refcount
- = &elf_xtensa_local_tlsfunc_refcounts (abfd) [r_symndx];
- if (*tlsfunc_refcount > 0)
- *tlsfunc_refcount -= 1;
- }
- }
- }
-
- return TRUE;
-}
-
-
/* Create all the dynamic sections. */
static bfd_boolean
#define elf_backend_finish_dynamic_sections elf_xtensa_finish_dynamic_sections
#define elf_backend_finish_dynamic_symbol elf_xtensa_finish_dynamic_symbol
#define elf_backend_gc_mark_hook elf_xtensa_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf_xtensa_gc_sweep_hook
#define elf_backend_grok_prstatus elf_xtensa_grok_prstatus
#define elf_backend_grok_psinfo elf_xtensa_grok_psinfo
#define elf_backend_hide_symbol elf_xtensa_hide_symbol
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
-elf64_alpha_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
- asection *sec, const Elf_Internal_Rela *relocs)
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct alpha_elf_link_hash_entry **sym_hashes;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- symtab_hdr = &elf_symtab_hdr (abfd);
- sym_hashes = alpha_elf_sym_hashes (abfd);
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx, r_type;
- struct alpha_elf_link_hash_entry *h = NULL;
- struct alpha_elf_got_entry *gotent;
-
- r_symndx = ELF64_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.root.type == bfd_link_hash_indirect
- || h->root.root.type == bfd_link_hash_warning)
- h = (struct alpha_elf_link_hash_entry *) h->root.root.u.i.link;
- }
-
- r_type = ELF64_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_ALPHA_LITERAL:
- /* ??? Ignore re-computation of gotent_flags. We're not
- carrying a use-count for each bit in that mask. */
-
- case R_ALPHA_TLSGD:
- case R_ALPHA_GOTDTPREL:
- case R_ALPHA_GOTTPREL:
- /* Fetch the got entry from the tables. */
- gotent = get_got_entry (abfd, h, r_type, r_symndx, rel->r_addend);
-
- /* The got entry *must* exist, since we should have created it
- before during check_relocs. Also note that get_got_entry
- assumed this was going to be another use, and so incremented
- the use count again. Thus the use count must be at least the
- one real use and the "use" we just added. */
- if (gotent == NULL || gotent->use_count < 2)
- {
- abort ();
- return FALSE;
- }
- gotent->use_count -= 2;
- 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
#define elf_backend_can_gc_sections 1
#define elf_backend_gc_mark_hook elf64_alpha_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf64_alpha_gc_sweep_hook
#define elf_backend_ecoff_debug_swap \
&elf64_alpha_ecoff_debug_swap
_bfd_mips_elf_additional_program_headers
#define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
#define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
#define elf_backend_copy_indirect_symbol \
_bfd_mips_elf_copy_indirect_symbol
#define elf_backend_ignore_discarded_relocs \
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-
-/* Update relocation info for a GC-excluded section. We could supposedly
- perform the allocation after GC, but there's no suitable hook between
- GC (or section merge) and the point when all input sections must be
- present. Better to waste some memory and (perhaps) a little time. */
-
-static bfd_boolean
-mmix_elf_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
-{
- struct bpo_reloc_section_info *bpodata
- = mmix_elf_section_data (sec)->bpo.reloc;
- asection *allocated_gregs_section;
-
- /* If no bpodata here, we have nothing to do. */
- if (bpodata == NULL)
- return TRUE;
-
- allocated_gregs_section = bpodata->bpo_greg_section;
-
- mmix_elf_section_data (allocated_gregs_section)->bpo.greg->n_bpo_relocs
- -= bpodata->n_bpo_relocs_this_section;
-
- return TRUE;
-}
\f
/* Sort register relocs to come before expanding relocs. */
#define elf_info_to_howto mmix_info_to_howto_rela
#define elf_backend_relocate_section mmix_elf_relocate_section
#define elf_backend_gc_mark_hook mmix_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook mmix_elf_gc_sweep_hook
#define elf_backend_link_output_symbol_hook \
mmix_elf_link_output_symbol_hook
#define elf_backend_gc_keep ppc64_elf_gc_keep
#define elf_backend_gc_mark_dynamic_ref ppc64_elf_gc_mark_dynamic_ref
#define elf_backend_gc_mark_hook ppc64_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook ppc64_elf_gc_sweep_hook
#define elf_backend_adjust_dynamic_symbol ppc64_elf_adjust_dynamic_symbol
#define elf_backend_hide_symbol ppc64_elf_hide_symbol
#define elf_backend_maybe_function_sym ppc64_elf_maybe_function_sym
return rsec;
}
-/* Update the .got, .plt. and dynamic reloc reference counts for the
- section being removed. */
-
-static bfd_boolean
-ppc64_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
- asection *sec, const Elf_Internal_Rela *relocs)
-{
- struct ppc_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- struct got_entry **local_got_ents;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- if ((sec->flags & SEC_ALLOC) == 0)
- return TRUE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- htab = ppc_hash_table (info);
- if (htab == NULL)
- return FALSE;
-
- symtab_hdr = &elf_symtab_hdr (abfd);
- sym_hashes = elf_sym_hashes (abfd);
- local_got_ents = elf_local_got_ents (abfd);
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- enum elf_ppc64_reloc_type r_type;
- struct elf_link_hash_entry *h = NULL;
- struct plt_entry **plt_list = NULL;
- unsigned char tls_type = 0;
-
- r_symndx = ELF64_R_SYM (rel->r_info);
- r_type = ELF64_R_TYPE (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct ppc_link_hash_entry *eh;
- struct elf_dyn_relocs **pp;
- struct elf_dyn_relocs *p;
-
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- h = elf_follow_link (h);
- eh = (struct ppc_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;
- }
- }
-
- switch (r_type)
- {
- case R_PPC64_GOT_TLSLD16:
- case R_PPC64_GOT_TLSLD16_LO:
- case R_PPC64_GOT_TLSLD16_HI:
- case R_PPC64_GOT_TLSLD16_HA:
- tls_type = TLS_TLS | TLS_LD;
- goto dogot;
-
- case R_PPC64_GOT_TLSGD16:
- case R_PPC64_GOT_TLSGD16_LO:
- case R_PPC64_GOT_TLSGD16_HI:
- case R_PPC64_GOT_TLSGD16_HA:
- tls_type = TLS_TLS | TLS_GD;
- goto dogot;
-
- case R_PPC64_GOT_TPREL16_DS:
- case R_PPC64_GOT_TPREL16_LO_DS:
- case R_PPC64_GOT_TPREL16_HI:
- case R_PPC64_GOT_TPREL16_HA:
- tls_type = TLS_TLS | TLS_TPREL;
- goto dogot;
-
- case R_PPC64_GOT_DTPREL16_DS:
- case R_PPC64_GOT_DTPREL16_LO_DS:
- case R_PPC64_GOT_DTPREL16_HI:
- case R_PPC64_GOT_DTPREL16_HA:
- tls_type = TLS_TLS | TLS_DTPREL;
- goto dogot;
-
- case R_PPC64_GOT16:
- case R_PPC64_GOT16_DS:
- case R_PPC64_GOT16_HA:
- case R_PPC64_GOT16_HI:
- case R_PPC64_GOT16_LO:
- case R_PPC64_GOT16_LO_DS:
- dogot:
- {
- struct got_entry *ent;
-
- if (h != NULL)
- ent = h->got.glist;
- else
- ent = local_got_ents[r_symndx];
-
- for (; ent != NULL; ent = ent->next)
- if (ent->addend == rel->r_addend
- && ent->owner == abfd
- && ent->tls_type == tls_type)
- break;
- if (ent == NULL)
- abort ();
- if (ent->got.refcount > 0)
- ent->got.refcount -= 1;
- }
- if (h != NULL && !bfd_link_pic (info) && abiversion (abfd) != 1)
- plt_list = &h->plt.plist;
- break;
-
- case R_PPC64_PLT16_HA:
- case R_PPC64_PLT16_HI:
- case R_PPC64_PLT16_LO:
- case R_PPC64_PLT32:
- case R_PPC64_PLT64:
- case R_PPC64_REL14:
- case R_PPC64_REL14_BRNTAKEN:
- case R_PPC64_REL14_BRTAKEN:
- case R_PPC64_REL24:
- if (h != NULL)
- plt_list = &h->plt.plist;
- else if (local_got_ents != NULL)
- {
- struct plt_entry **local_plt = (struct plt_entry **)
- (local_got_ents + symtab_hdr->sh_info);
- unsigned char *local_got_tls_masks = (unsigned char *)
- (local_plt + symtab_hdr->sh_info);
- if ((local_got_tls_masks[r_symndx] & PLT_IFUNC) != 0)
- plt_list = local_plt + r_symndx;
- }
- break;
-
- case R_PPC64_ADDR64:
- case R_PPC64_ADDR16:
- case R_PPC64_ADDR16_DS:
- case R_PPC64_ADDR16_HA:
- case R_PPC64_ADDR16_HI:
- case R_PPC64_ADDR16_HIGH:
- case R_PPC64_ADDR16_HIGHA:
- case R_PPC64_ADDR16_HIGHER:
- case R_PPC64_ADDR16_HIGHERA:
- case R_PPC64_ADDR16_HIGHEST:
- case R_PPC64_ADDR16_HIGHESTA:
- case R_PPC64_ADDR16_LO:
- case R_PPC64_ADDR16_LO_DS:
- if (h != NULL && !bfd_link_pic (info) && abiversion (abfd) != 1
- && rel->r_addend == 0)
- plt_list = &h->plt.plist;
- break;
-
- default:
- break;
- }
- if (plt_list != NULL)
- {
- struct plt_entry *ent;
-
- for (ent = *plt_list; ent != NULL; ent = ent->next)
- if (ent->addend == rel->r_addend)
- break;
- if (ent != NULL && ent->plt.refcount > 0)
- ent->plt.refcount -= 1;
- }
- }
- return TRUE;
-}
-
/* The maximum size of .sfpr. */
#define SFPR_MAX (218*4)
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_s390_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- struct elf_s390_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- htab = elf_s390_hash_table (info);
- if (htab == NULL)
- return FALSE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_symtab_hdr (abfd);
- 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 elf_s390_link_hash_entry *eh;
- struct elf_dyn_relocs **pp;
- struct 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 elf_s390_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;
- }
- }
- else
- {
- Elf_Internal_Sym *isym;
-
- /* A local symbol. */
- isym = bfd_sym_from_r_symndx (&htab->sym_cache,
- abfd, r_symndx);
- if (isym == NULL)
- return FALSE;
-
- if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
- {
- struct plt_entry *plt = elf_s390_local_plt (abfd);
- if (plt[r_symndx].plt.refcount > 0)
- plt[r_symndx].plt.refcount--;
- }
- }
-
- r_type = ELF64_R_TYPE (rel->r_info);
- r_type = elf_s390_tls_transition (info, r_type, h != NULL);
- switch (r_type)
- {
- case R_390_TLS_LDM64:
- if (htab->tls_ldm_got.refcount > 0)
- htab->tls_ldm_got.refcount -= 1;
- break;
- case R_390_GOTOFF16:
- case R_390_GOTOFF32:
- case R_390_GOTOFF64:
- if (h != NULL && s390_is_ifunc_symbol_p (h) && h->def_regular)
- {
- h->plt.refcount--;
- break;
- }
-
- case R_390_GOTPC:
- case R_390_GOTPCDBL:
- break;
-
- case R_390_TLS_GD64:
- case R_390_TLS_IE64:
- case R_390_TLS_GOTIE12:
- case R_390_TLS_GOTIE20:
- case R_390_TLS_GOTIE64:
- case R_390_TLS_IEENT:
- case R_390_GOT12:
- case R_390_GOT16:
- case R_390_GOT20:
- case R_390_GOT32:
- case R_390_GOT64:
- case R_390_GOTENT:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
-
- case R_390_8:
- case R_390_12:
- case R_390_16:
- case R_390_20:
- case R_390_32:
- case R_390_64:
- case R_390_PC16:
- case R_390_PC12DBL:
- case R_390_PC16DBL:
- case R_390_PC24DBL:
- case R_390_PC32:
- case R_390_PC32DBL:
- case R_390_PC64:
- if (bfd_link_pic (info))
- break;
- /* Fall through */
-
- case R_390_PLT12DBL:
- case R_390_PLT16DBL:
- case R_390_PLT24DBL:
- case R_390_PLT32:
- case R_390_PLT32DBL:
- case R_390_PLT64:
- case R_390_PLTOFF16:
- case R_390_PLTOFF32:
- case R_390_PLTOFF64:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
- }
- break;
-
- case R_390_GOTPLT12:
- case R_390_GOTPLT16:
- case R_390_GOTPLT20:
- case R_390_GOTPLT32:
- case R_390_GOTPLT64:
- case R_390_GOTPLTENT:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- {
- ((struct elf_s390_link_hash_entry *) h)->gotplt_refcount--;
- h->plt.refcount -= 1;
- }
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Make sure we emit a GOT entry if the symbol was supposed to have a PLT
entry but we found we will not create any. Called when we find we will
not have any PLT for this symbol, by for example
#define elf_backend_finish_dynamic_sections elf_s390_finish_dynamic_sections
#define elf_backend_finish_dynamic_symbol elf_s390_finish_dynamic_symbol
#define elf_backend_gc_mark_hook elf_s390_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf_s390_gc_sweep_hook
#define elf_backend_reloc_type_class elf_s390_reloc_type_class
#define elf_backend_relocate_section elf_s390_relocate_section
#define elf_backend_size_dynamic_sections elf_s390_size_dynamic_sections
_bfd_sparc_elf_object_p
#define elf_backend_gc_mark_hook \
_bfd_sparc_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook \
- _bfd_sparc_elf_gc_sweep_hook
#define elf_backend_init_index_section \
_bfd_elf_init_1_index_section
#define elf_backend_finish_dynamic_symbol tilegx_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections tilegx_elf_finish_dynamic_sections
#define elf_backend_gc_mark_hook tilegx_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook tilegx_elf_gc_sweep_hook
#define elf_backend_plt_sym_val tilegx_elf_plt_sym_val
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto tilegx_info_to_howto_rela
&& !(*bed->check_directives) (abfd, info))
return FALSE;
- if (!info->check_relocs_after_open_input
- && !_bfd_elf_link_check_relocs (abfd, info))
- return FALSE;
-
/* If this is a non-traditional link, try to optimize the handling
of the .stab/.stabstr sections. */
if (! dynamic
return TRUE;
}
-/* The sweep phase of garbage collection. Remove all garbage sections. */
-
-typedef bfd_boolean (*gc_sweep_hook_fn)
- (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
-
static bfd_boolean
elf_gc_sweep (bfd *abfd, struct bfd_link_info *info)
{
bfd *sub;
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
- gc_sweep_hook_fn gc_sweep_hook = bed->gc_sweep_hook;
for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
{
/* xgettext:c-format */
_bfd_error_handler (_("Removing unused section '%A' in file '%B'"),
o, sub);
-
- /* But we also have to update some of the relocation
- info we collected before. */
- if (gc_sweep_hook
- && (o->flags & SEC_RELOC) != 0
- && o->reloc_count != 0
- && !((info->strip == strip_all || info->strip == strip_debugger)
- && (o->flags & SEC_DEBUGGING) != 0)
- && !bfd_is_abs_section (o->output_section))
- {
- Elf_Internal_Rela *internal_relocs;
- bfd_boolean r;
-
- internal_relocs
- = _bfd_elf_link_read_relocs (o->owner, o, NULL, NULL,
- info->keep_memory);
- if (internal_relocs == NULL)
- return FALSE;
-
- r = (*gc_sweep_hook) (o->owner, info, o, internal_relocs);
-
- if (elf_section_data (o)->relocs != internal_relocs)
- free (internal_relocs);
-
- if (!r)
- return FALSE;
- }
}
}
return TRUE;
}
-/* Update the got entry reference counts for the section being removed. */
-
-static bfd_boolean
-elfNN_aarch64_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela * relocs)
-{
- struct elf_aarch64_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- struct elf_aarch64_local_symbol *locals;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- htab = elf_aarch64_hash_table (info);
-
- if (htab == NULL)
- return FALSE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_symtab_hdr (abfd);
- sym_hashes = elf_sym_hashes (abfd);
-
- locals = elf_aarch64_locals (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 = ELFNN_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;
- }
- else
- {
- Elf_Internal_Sym *isym;
-
- /* A local symbol. */
- isym = bfd_sym_from_r_symndx (&htab->sym_cache,
- abfd, r_symndx);
-
- /* Check relocation against local STT_GNU_IFUNC symbol. */
- if (isym != NULL
- && ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
- {
- h = elfNN_aarch64_get_local_sym_hash (htab, abfd, rel, FALSE);
- if (h == NULL)
- abort ();
- }
- }
-
- if (h)
- {
- struct elf_aarch64_link_hash_entry *eh;
- struct elf_dyn_relocs **pp;
- struct elf_dyn_relocs *p;
-
- eh = (struct elf_aarch64_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 = ELFNN_R_TYPE (rel->r_info);
- switch (aarch64_tls_transition (abfd,info, r_type, h ,r_symndx))
- {
- case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
- case BFD_RELOC_AARCH64_GOT_LD_PREL19:
- case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
- case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
- case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
- case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
- case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
- case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
- case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
- case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12:
- case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
- case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
- case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
- case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12:
- case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
- case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
- case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
- case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
- case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
- case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
- case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
- case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
- case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
- case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
- case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
- case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
- case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC:
- case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:
- case BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC:
- case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
- case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
-
- if (h->type == STT_GNU_IFUNC)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
- }
- }
- else if (locals != NULL)
- {
- if (locals[r_symndx].got_refcount > 0)
- locals[r_symndx].got_refcount -= 1;
- }
- break;
-
- case BFD_RELOC_AARCH64_CALL26:
- case BFD_RELOC_AARCH64_JUMP26:
- /* If this is a local symbol then we resolve it
- directly without creating a PLT entry. */
- if (h == NULL)
- continue;
-
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
- break;
-
- case BFD_RELOC_AARCH64_ADD_LO12:
- case BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL:
- case BFD_RELOC_AARCH64_ADR_HI21_PCREL:
- case BFD_RELOC_AARCH64_ADR_LO21_PCREL:
- case BFD_RELOC_AARCH64_LDST128_LO12:
- case BFD_RELOC_AARCH64_LDST16_LO12:
- case BFD_RELOC_AARCH64_LDST32_LO12:
- case BFD_RELOC_AARCH64_LDST64_LO12:
- case BFD_RELOC_AARCH64_LDST8_LO12:
- case BFD_RELOC_AARCH64_LD_LO19_PCREL:
- case BFD_RELOC_AARCH64_MOVW_G0_NC:
- case BFD_RELOC_AARCH64_MOVW_G1_NC:
- case BFD_RELOC_AARCH64_MOVW_G2_NC:
- case BFD_RELOC_AARCH64_MOVW_G3:
- case BFD_RELOC_AARCH64_NN:
- if (h != NULL && !bfd_link_pic (info))
- {
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Return true if we need copy relocation against EH. */
static bfd_boolean
#define elf_backend_finish_dynamic_symbol \
elfNN_aarch64_finish_dynamic_symbol
-#define elf_backend_gc_sweep_hook \
- elfNN_aarch64_gc_sweep_hook
-
#define elf_backend_object_p \
elfNN_aarch64_object_p
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
-riscv_elf_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- const Elf_Internal_Rela *rel, *relend;
- Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (abfd);
- struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (abfd);
- bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- for (rel = relocs, relend = relocs + sec->reloc_count; rel < relend; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h = NULL;
-
- r_symndx = ELFNN_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct riscv_elf_link_hash_entry *eh;
- struct riscv_elf_dyn_relocs **pp;
- struct riscv_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 riscv_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;
- }
- }
-
- switch (ELFNN_R_TYPE (rel->r_info))
- {
- case R_RISCV_GOT_HI20:
- case R_RISCV_TLS_GOT_HI20:
- case R_RISCV_TLS_GD_HI20:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts &&
- local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_RISCV_HI20:
- case R_RISCV_PCREL_HI20:
- case R_RISCV_COPY:
- case R_RISCV_JUMP_SLOT:
- case R_RISCV_RELATIVE:
- case R_RISCV_64:
- case R_RISCV_32:
- case R_RISCV_BRANCH:
- case R_RISCV_CALL:
- case R_RISCV_JAL:
- case R_RISCV_RVC_BRANCH:
- case R_RISCV_RVC_JUMP:
- if (bfd_link_pic (info))
- break;
- /* Fall through. */
-
- case R_RISCV_CALL_PLT:
- 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
#define elf_backend_finish_dynamic_symbol riscv_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections riscv_elf_finish_dynamic_sections
#define elf_backend_gc_mark_hook riscv_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook riscv_elf_gc_sweep_hook
#define elf_backend_plt_sym_val riscv_elf_plt_sym_val
#define elf_backend_grok_prstatus riscv_elf_grok_prstatus
#define elf_backend_grok_psinfo riscv_elf_grok_psinfo
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-/* Update the got entry reference counts for the section being removed. */
-
-bfd_boolean
-_bfd_mips_elf_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
-{
-#if 0
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- 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++)
- switch (ELF_R_TYPE (abfd, rel->r_info))
- {
- case R_MIPS16_GOT16:
- case R_MIPS16_CALL16:
- case R_MIPS_GOT16:
- case R_MIPS_CALL16:
- case R_MIPS_CALL_HI16:
- case R_MIPS_CALL_LO16:
- case R_MIPS_GOT_HI16:
- case R_MIPS_GOT_LO16:
- case R_MIPS_GOT_DISP:
- case R_MIPS_GOT_PAGE:
- case R_MIPS_GOT_OFST:
- case R_MICROMIPS_GOT16:
- case R_MICROMIPS_CALL16:
- case R_MICROMIPS_CALL_HI16:
- case R_MICROMIPS_CALL_LO16:
- case R_MICROMIPS_GOT_HI16:
- case R_MICROMIPS_GOT_LO16:
- case R_MICROMIPS_GOT_DISP:
- case R_MICROMIPS_GOT_PAGE:
- case R_MICROMIPS_GOT_OFST:
- /* ??? It would seem that the existing MIPS code does no sort
- of reference counting or whatnot on its GOT and PLT entries,
- so it is not possible to garbage collect them at this time. */
- break;
-
- default:
- break;
- }
-#endif
-
- return TRUE;
-}
-
/* Prevent .MIPS.abiflags from being discarded with --gc-sections. */
bfd_boolean
extern asection * _bfd_mips_elf_gc_mark_hook
(asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *, Elf_Internal_Sym *);
-extern bfd_boolean _bfd_mips_elf_gc_sweep_hook
- (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
extern void _bfd_mips_elf_copy_indirect_symbol
(struct bfd_link_info *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *);
return NULL;
}
-/* Update the got entry reference counts for the section being removed. */
-bfd_boolean
-_bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
- asection *sec, const Elf_Internal_Rela *relocs)
-{
- struct _bfd_sparc_elf_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- htab = _bfd_sparc_elf_hash_table (info);
- BFD_ASSERT (htab != NULL);
- symtab_hdr = &elf_symtab_hdr (abfd);
- 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 = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct _bfd_sparc_elf_link_hash_entry *eh;
- struct _bfd_sparc_elf_dyn_relocs **pp;
- struct _bfd_sparc_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 _bfd_sparc_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 = SPARC_ELF_R_TYPE (rel->r_info);
- r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
- switch (r_type)
- {
- case R_SPARC_TLS_LDM_HI22:
- case R_SPARC_TLS_LDM_LO10:
- if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
- _bfd_sparc_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:
- case R_SPARC_GOTDATA_HIX22:
- case R_SPARC_GOTDATA_LOX10:
- case R_SPARC_GOTDATA_OP_HIX22:
- case R_SPARC_GOTDATA_OP_LOX10:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- switch (r_type)
- {
- case R_SPARC_GOTDATA_OP_HIX22:
- case R_SPARC_GOTDATA_OP_LOX10:
- break;
-
- default:
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- break;
- }
- }
- 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_WDISP10:
- 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_H34:
- case R_SPARC_UA64:
- if (bfd_link_pic (info))
- break;
- /* Fall through. */
-
- case R_SPARC_WPLT30:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
-
- default:
- break;
- }
- }
-
- return TRUE;
-}
-
/* Remove undefined weak symbol from the dynamic symbol table if it
is resolved to 0. */
(asection *, struct bfd_link_info *,
Elf_Internal_Rela *, struct elf_link_hash_entry *,
Elf_Internal_Sym *);
-extern bfd_boolean _bfd_sparc_elf_gc_sweep_hook
- (bfd *, struct bfd_link_info *,
- asection *, const Elf_Internal_Rela *);
extern bfd_boolean _bfd_sparc_elf_adjust_dynamic_symbol
(struct bfd_link_info *, struct elf_link_hash_entry *);
extern bfd_boolean _bfd_sparc_elf_omit_section_dynsym
#ifndef elf_backend_gc_mark_extra_sections
#define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
#endif
-#ifndef elf_backend_gc_sweep_hook
-#define elf_backend_gc_sweep_hook NULL
-#endif
#ifndef bfd_elfNN_bfd_gc_sections
#define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
#endif
elf_backend_gc_mark_dynamic_ref,
elf_backend_gc_mark_hook,
elf_backend_gc_mark_extra_sections,
- elf_backend_gc_sweep_hook,
elf_backend_post_process_headers,
elf_backend_print_symbol_all,
elf_backend_output_arch_local_syms,
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-/* Update the got entry reference counts for the section being removed. */
-bfd_boolean
-tilegx_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
- asection *sec, const Elf_Internal_Rela *relocs)
-{
- struct tilegx_elf_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
-
- BFD_ASSERT (is_tilegx_elf (abfd) || sec->reloc_count == 0);
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- htab = tilegx_elf_hash_table (info);
- BFD_ASSERT (htab != NULL);
- symtab_hdr = &elf_symtab_hdr (abfd);
- 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 = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct tilegx_elf_link_hash_entry *eh;
- struct tilegx_elf_dyn_relocs **pp;
- struct tilegx_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 tilegx_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 = TILEGX_ELF_R_TYPE (rel->r_info);
- r_type = tilegx_elf_tls_transition (info, r_type, h != NULL,
- sec->sec_flg0);
- switch (r_type)
- {
- case R_TILEGX_IMM16_X0_HW0_GOT:
- case R_TILEGX_IMM16_X1_HW0_GOT:
- case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
- case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
- case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
- case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- case R_TILEGX_IMM16_X0_HW0_TLS_GD:
- case R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case R_TILEGX_IMM16_X0_HW0_TLS_IE:
- case R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
- case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
- case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
- case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts &&
- local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_TILEGX_64_PCREL:
- case R_TILEGX_32_PCREL:
- case R_TILEGX_16_PCREL:
- case R_TILEGX_8_PCREL:
- case R_TILEGX_IMM16_X0_HW0_PCREL:
- case R_TILEGX_IMM16_X1_HW0_PCREL:
- case R_TILEGX_IMM16_X0_HW1_PCREL:
- case R_TILEGX_IMM16_X1_HW1_PCREL:
- case R_TILEGX_IMM16_X0_HW2_PCREL:
- case R_TILEGX_IMM16_X1_HW2_PCREL:
- case R_TILEGX_IMM16_X0_HW3_PCREL:
- case R_TILEGX_IMM16_X1_HW3_PCREL:
- case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
- case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
- case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
- case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
- case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
- case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
- if (h != NULL
- && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* Fall through. */
-
- case R_TILEGX_64:
- case R_TILEGX_32:
- case R_TILEGX_16:
- case R_TILEGX_8:
- case R_TILEGX_HW0:
- case R_TILEGX_HW1:
- case R_TILEGX_HW2:
- case R_TILEGX_HW3:
- case R_TILEGX_HW0_LAST:
- case R_TILEGX_HW1_LAST:
- case R_TILEGX_HW2_LAST:
- case R_TILEGX_COPY:
- case R_TILEGX_GLOB_DAT:
- case R_TILEGX_JMP_SLOT:
- case R_TILEGX_RELATIVE:
- case R_TILEGX_BROFF_X1:
- case R_TILEGX_JUMPOFF_X1:
- case R_TILEGX_IMM8_X0:
- case R_TILEGX_IMM8_Y0:
- case R_TILEGX_IMM8_X1:
- case R_TILEGX_IMM8_Y1:
- case R_TILEGX_DEST_IMM8_X1:
- case R_TILEGX_MT_IMM14_X1:
- case R_TILEGX_MF_IMM14_X1:
- case R_TILEGX_MMSTART_X0:
- case R_TILEGX_MMEND_X0:
- case R_TILEGX_SHAMT_X0:
- case R_TILEGX_SHAMT_X1:
- case R_TILEGX_SHAMT_Y0:
- case R_TILEGX_SHAMT_Y1:
- case R_TILEGX_IMM16_X0_HW0:
- case R_TILEGX_IMM16_X1_HW0:
- case R_TILEGX_IMM16_X0_HW1:
- case R_TILEGX_IMM16_X1_HW1:
- case R_TILEGX_IMM16_X0_HW2:
- case R_TILEGX_IMM16_X1_HW2:
- case R_TILEGX_IMM16_X0_HW3:
- case R_TILEGX_IMM16_X1_HW3:
- case R_TILEGX_IMM16_X0_HW0_LAST:
- case R_TILEGX_IMM16_X1_HW0_LAST:
- case R_TILEGX_IMM16_X0_HW1_LAST:
- case R_TILEGX_IMM16_X1_HW1_LAST:
- case R_TILEGX_IMM16_X0_HW2_LAST:
- case R_TILEGX_IMM16_X1_HW2_LAST:
- if (bfd_link_pic (info))
- break;
- /* Fall through. */
-
- case R_TILEGX_JUMPOFF_X1_PLT:
- case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
- case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
- case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
- case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
- case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
- case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
- case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
- case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
- case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
- case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
- case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
- case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
- case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
- case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
- 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
struct elf_link_hash_entry *,
Elf_Internal_Sym *);
-extern bfd_boolean
-tilegx_elf_gc_sweep_hook (bfd *, struct bfd_link_info *,
- asection *, const Elf_Internal_Rela *);
-
extern bfd_vma
tilegx_elf_plt_sym_val (bfd_vma, const asection *, const arelent *);
+2017-10-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * emulparams/elf32_x86_64.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Removed.
+ * emulparams/elf_i386_be.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/elf_i386_chaos.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/elf_i386_ldso.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/elf_i386_vxworks.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/elf_iamcu.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/elf_k1om.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/elf_l1om.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/elf_x86_64.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/i386lynx.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/i386moss.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/i386nto.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/i386nw.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/shelf.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/shelf32.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/shelf_nto.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/shelf_vxworks.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/shlelf32_linux.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/shlelf_linux.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emulparams/shlelf_nto.sh (CHECK_RELOCS_AFTER_OPEN_INPUT):
+ Likewise.
+ * emultempl/aarch64elf.em (gld${EMULATION_NAME}_before_parse):
+ Set link_info.check_relocs_after_open_input to TRUE.
+ * emultempl/armelf.em (gld${EMULATION_NAME}_before_parse):
+ Likewise.
+ * emultempl/scoreelf.em (gld${EMULATION_NAME}_before_parse):
+ Likewise.
+ * emultempl/aix.em (ld_${EMULATION_NAME}_emulation): Add
+ after_parse_default.
+ * emultempl/armcoff.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/beos.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/generic.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/gld960.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/gld960c.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/lnk960.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/m68kcoff.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/msp430.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/pe.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/pep.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/sunos.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/ticoff.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/vanilla.em (ld_${EMULATION_NAME}_emulation): Likewise.
+ * emultempl/elf32.em (gld${EMULATION_NAME}_before_parse): Always
+ set link_info.check_relocs_after_open_input to TRUE.
+ (ld_${EMULATION_NAME}_emulation): Add $LDEMUL_AFTER_CHECK_RELOCS.
+ * emultempl/linux.em (gld${EMULATION_NAME}_before_parse):
+ Set link_info.check_relocs_after_open_input to TRUE.
+ (ld_${EMULATION_NAME}_emulation): Add after_check_relocs_default.
+ * emultempl/mmix-elfnmmo.em (mmix_before_parse): New function.
+ (LDEMUL_BEFORE_PARSE): New.
+ * emultempl/mmixelf.em (elfmmix_before_parse): Replace
+ gld${EMULATION_NAME}_before_parse with mmix_before_parse.
+ * emultempl/ppc32elf.em (ppc_after_open): Renamed to ...
+ (ppc_after_check_relocs): This. Call after_check_relocs_default
+ instead of gld${EMULATION_NAME}_after_open.
+ (LDEMUL_AFTER_OPEN): Removed.
+ (LDEMUL_AFTER_CHECK_RELOCS): New.
+ * ldemul.c (ldemul_after_check_relocs): New.
+ (after_check_relocs_default): Likewise.
+ * ldemul.h (ldemul_after_check_relocs): Likewise.
+ (after_check_relocs_default): Likewise.
+ (ld_emulation_xfer_struct): Add after_check_relocs.
+ * ldlang.c (lang_process): Call ldemul_after_check_relocs after
+ lang_check_relocs.
+ * testsuite/ld-aarch64/gc-got-relocs.d: Don't expect GOT section.
+ * testsuite/ld-aarch64/gc-tls-relocs.d: Likewise.
+ * testsuite/ld-cris/tls-gc-68.d: Likewise.
+ * testsuite/ld-cris/tls-gc-69.d: Likewise.
+ * testsuite/ld-cris/tls-gc-70.d: Likewise.
+ * testsuite/ld-cris/tls-gc-75.d: Likewise.
+ * testsuite/ld-cris/tls-gc-79.d: Likewise.
+ * testsuite/ld-mmix/bpo-10.d: Don't expect .MMIX.reg_contents
+ section.
+
2017-10-14 H.J. Lu <hongjiu.lu@intel.com>
PR ld/22269
SCRIPT_NAME=elf
ELFSIZE=32
OUTPUT_FORMAT="elf32-x86-64"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_REL_RELOCS=yes
TEXT_START_ADDR=0x400000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
. ${srcdir}/emulparams/cet.sh
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-i386"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_RELA_RELOCS=yes
TEXT_START_ADDR=0x08048000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
. ${srcdir}/emulparams/call_nop.sh
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-i386"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_RELA_RELOCS=yes
TEXT_START_ADDR=0x80000000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
. ${srcdir}/emulparams/call_nop.sh
SCRIPT_NAME=elf_chaos
OUTPUT_FORMAT="elf32-i386"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
TEXT_START_ADDR=0x40000000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
ARCH=i386
. ${srcdir}/emulparams/call_nop.sh
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-i386"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_RELA_RELOCS=yes
TEXT_START_ADDR=0x08048000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-i386-vxworks"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_RELA_RELOCS=yes
TEXT_START_ADDR=0x08048000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
. ${srcdir}/emulparams/call_nop.sh
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-iamcu"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_RELA_RELOCS=yes
TEXT_START_ADDR=0x08048000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
SCRIPT_NAME=elf
ELFSIZE=64
OUTPUT_FORMAT="elf64-k1om"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_REL_RELOCS=yes
TEXT_START_ADDR=0x400000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
SCRIPT_NAME=elf
ELFSIZE=64
OUTPUT_FORMAT="elf64-l1om"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_REL_RELOCS=yes
TEXT_START_ADDR=0x400000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
SCRIPT_NAME=elf
ELFSIZE=64
OUTPUT_FORMAT="elf64-x86-64"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_REL_RELOCS=yes
TEXT_START_ADDR=0x400000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-i386"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_RELA_RELOCS=yes
ENTRY=_main
TEXT_BASE=0x0
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-i386"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_RELA_RELOCS=yes
TEXT_START_ADDR=0x00002000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-i386"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
NO_RELA_RELOCS=yes
TEXT_START_ADDR=0x08048000
TEXT_START_SYMBOLS='_btext = .;'
SCRIPT_NAME=nw
OUTPUT_FORMAT="elf32-i386"
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
TEXT_START_ADDR=0x08000000
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
ARCH=i386
TEMPLATE_NAME=elf32
GENERATE_SHLIB_SCRIPT=yes
EMBEDDED=yes
-# PR 17739. Delay checking relocs until after all files have
-# been opened and linker garbage collection has taken place.
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
-
# These are for compatibility with the COFF toolchain.
ENTRY=start
CTOR_START='___ctors = .;'
TEMPLATE_NAME=elf32
GENERATE_SHLIB_SCRIPT=yes
EMBEDDED=yes
-# PR 17739. Delay checking relocs until after all files have
-# been opened and linker garbage collection has taken place.
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
DATA_START_SYMBOLS='PROVIDE (___data = .);'
GENERATE_SHLIB_SCRIPT=yes
TEXT_START_SYMBOLS='_btext = .;'
ENTRY=_start
-# PR 17739. Delay checking relocs until after all files have
-# been opened and linker garbage collection has taken place.
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
GENERATE_SHLIB_SCRIPT=yes
ENTRY=__start
SYMPREFIX=_
-# PR 17739. Delay checking relocs until after all files have
-# been opened and linker garbage collection has taken place.
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
GOT=".got ${RELOCATING-0} : {
PROVIDE(__GLOBAL_OFFSET_TABLE_ = .);
TEMPLATE_NAME=elf32
GENERATE_SHLIB_SCRIPT=yes
GENERATE_PIE_SCRIPT=yes
-# PR 17739. Delay checking relocs until after all files have
-# been opened and linker garbage collection has taken place.
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
DATA_START_SYMBOLS='PROVIDE (___data = .);'
TEMPLATE_NAME=elf32
GENERATE_SHLIB_SCRIPT=yes
GENERATE_PIE_SCRIPT=yes
-# PR 17739. Delay checking relocs until after all files have
-# been opened and linker garbage collection has taken place.
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
DATA_START_SYMBOLS='PROVIDE (__data_start = .);';
GENERATE_SHLIB_SCRIPT=yes
TEXT_START_SYMBOLS='_btext = .;'
ENTRY=_start
-# PR 17739. Delay checking relocs until after all files have
-# been opened and linker garbage collection has taken place.
-CHECK_RELOCS_AFTER_OPEN_INPUT=yes
input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
+ link_info.check_relocs_after_open_input = TRUE;
link_info.relro = DEFAULT_LD_Z_RELRO;
}
hll_default,
after_parse_default,
gld${EMULATION_NAME}_after_open,
+ after_check_relocs_default,
after_allocation_default,
gld${EMULATION_NAME}_set_output_arch,
gld${EMULATION_NAME}_choose_target,
hll_default,
after_parse_default,
gld${EMULATION_NAME}_after_open,
+ after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
+ link_info.check_relocs_after_open_input = TRUE;
link_info.relro = DEFAULT_LD_Z_RELRO;
}
hll_default,
after_parse_default,
gld_${EMULATION_NAME}_after_open,
+ after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
`if test -n "$CALL_NOP_BYTE" ; then echo link_info.call_nop_byte = $CALL_NOP_BYTE; fi`;
- link_info.check_relocs_after_open_input = `if test "x${CHECK_RELOCS_AFTER_OPEN_INPUT}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
+ link_info.check_relocs_after_open_input = TRUE;
link_info.relro = DEFAULT_LD_Z_RELRO;
}
${LDEMUL_HLL-hll_default},
${LDEMUL_AFTER_PARSE-gld${EMULATION_NAME}_after_parse},
${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
+ ${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default},
${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation},
${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
${LDEMUL_HLL-hll_default},
${LDEMUL_AFTER_PARSE-after_parse_default},
${LDEMUL_AFTER_OPEN-after_open_default},
+ ${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default},
${LDEMUL_AFTER_ALLOCATION-after_allocation_default},
${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
hll_default,
after_parse_default,
after_open_default,
+ after_check_relocs_default,
after_allocation_default,
gld960_set_output_arch,
gld960_choose_target,
hll_default,
after_parse_default,
after_open_default,
+ after_check_relocs_default,
after_allocation_default,
gld960_set_output_arch,
gld960_choose_target,
ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
input_flags.dynamic = TRUE;
config.has_shared = TRUE;
+ link_info.check_relocs_after_open_input = TRUE;
link_info.relro = DEFAULT_LD_Z_RELRO;
}
hll_default,
after_parse_default,
after_open_default,
+ after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
lnk960_hll,
lnk960_after_parse,
after_open_default,
+ after_check_relocs_default,
lnk960_after_allocation,
lnk960_set_output_arch,
lnk960_choose_target,
syslib_default,
hll_default,
after_parse_default,
+ after_check_relocs_default,
gld${EMULATION_NAME}_after_open,
gld${EMULATION_NAME}_after_allocation,
set_output_arch_default,
fragment <<EOF
#include "elf/mmix.h"
+static void gld${EMULATION_NAME}_before_parse (void);
+
+static void
+mmix_before_parse (void)
+{
+ link_info.check_relocs_after_open_input = TRUE;
+ gld${EMULATION_NAME}_before_parse ();
+}
+
/* Set up handling of linker-allocated global registers. */
static void
}
EOF
+LDEMUL_BEFORE_PARSE=mmix_before_parse
LDEMUL_AFTER_ALLOCATION=mmix_after_allocation
LDEMUL_BEFORE_ALLOCATION=mmix_before_allocation
static void
elfmmix_before_parse (void)
{
- gld${EMULATION_NAME}_before_parse ();
+ mmix_before_parse ();
/* Make sure we don't create a demand-paged executable. Unfortunately
this isn't changeable with a command-line option. It makes no
${LDEMUL_HLL-hll_default},
${LDEMUL_AFTER_PARSE-after_parse_default},
msp430_elf_after_open,
+ after_check_relocs_default,
msp430_elf_after_allocation,
${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
hll_default,
gld_${EMULATION_NAME}_after_parse,
gld_${EMULATION_NAME}_after_open,
+ after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
hll_default,
gld_${EMULATION_NAME}_after_parse,
gld_${EMULATION_NAME}_after_open,
+ after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
if test -z "$VXWORKS_BASE_EM_FILE" ; then
fragment <<EOF
static void
-ppc_after_open (void)
+ppc_after_check_relocs (void)
{
if (is_ppc_elf (link_info.output_bfd))
{
}
}
- gld${EMULATION_NAME}_after_open ();
+ after_check_relocs_default ();
}
EOF
#
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_after_open_output
if test -z "$VXWORKS_BASE_EM_FILE" ; then
- LDEMUL_AFTER_OPEN=ppc_after_open
+ LDEMUL_AFTER_CHECK_RELOCS=ppc_after_check_relocs
fi
LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation
LDEMUL_FINISH=ppc_finish
input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
+ link_info.check_relocs_after_open_input = TRUE;
link_info.relro = DEFAULT_LD_Z_RELRO;
}
hll_default,
after_parse_default,
gld${EMULATION_NAME}_after_open,
+ after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
hll_default,
after_parse_default,
after_open_default,
+ after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
hll_default,
after_parse_default,
after_open_default,
+ after_check_relocs_default,
after_allocation_default,
vanilla_set_output_arch,
ldemul_default_target,
ld_emulation->after_open ();
}
+void
+ldemul_after_check_relocs (void)
+{
+ ld_emulation->after_check_relocs ();
+}
+
void
ldemul_after_allocation (void)
{
{
}
+void
+after_check_relocs_default (void)
+{
+}
+
void
after_allocation_default (void)
{
(void);
extern void ldemul_after_open
(void);
+extern void ldemul_after_check_relocs
+ (void);
extern void ldemul_after_allocation
(void);
extern void ldemul_before_allocation
(void);
extern void after_open_default
(void);
+extern void after_check_relocs_default
+ (void);
extern void after_allocation_default
(void);
extern void before_allocation_default
/* Run after opening all input files, and loading the symbols. */
void (*after_open) (void);
+ /* Run after checking relocations. */
+ void (*after_check_relocs) (void);
+
/* Run after allocating output sections. */
void (*after_allocation) (void);
/* Check relocations. */
lang_check_relocs ();
+ ldemul_after_check_relocs ();
+
/* Update wild statements. */
update_wild_statements (statement_list.head);
#objdump: -s -t -d
# Executable with got related relocs against global sysmbol gced.
-# After gc-section removal we are cheking that symbol does not exit
-# got section is empty and text section contains only start function.
+# After gc-section removal we are cheking that symbol and got section
+# do not exist and text section contains only start function.
.*: file format elf64-(little|big)aarch64
SYMBOL TABLE:
0+8000 l d \.text 0+ \.text
-0+9000 l d \.got 0+ \.got
0+0000 l df \*ABS\* 0+ .*
-0+0000 l df \*ABS\* 0+
-0+9000 l O \.got 0+ _GLOBAL_OFFSET_TABLE_
0+8000 g \.text 0+ _start
Contents of section .text:
8000 1f2003d5 .*
-Contents of section .got:
- 9000 0+ 0+ 0+ 0+ .*
- 9010 0+ 0+ 0+ 0+ .*
Disassembly of section .text:
#objdump: -s -t -d
# Executable with tls related relocs against global and local symbol gced.
-# After gc-section removal we are cheking that symbols does not exit
-# got section is empty and text section contains only start function.
+# After gc-section removal we are cheking that symbols and got section do
+# not exist and text section contains only start function.
.*: file format elf64-(little|big)aarch64
SYMBOL TABLE:
0+8000 l d \.text 0+ \.text
-0+9000 l d \.got 0+ \.got
0+0000 l df \*ABS\* 0+ .*
-0+0000 l df \*ABS\* 0+
-0+9000 l O \.got 0+ _GLOBAL_OFFSET_TABLE_
0+8000 g \.text 0+ _start
Contents of section .text:
8000 1f2003d5 .*
-Contents of section .got:
- 9000 0+ 0+ 0+ 0+ .*
- 9010 0+ 0+ 0+ 0+ .*
Disassembly of section .text:
# An executable with a R_CRIS_32_GOT_GD and a R_CRIS_16_GOT_GD against
# the same local symbol, gc:ed. Check that we have nothing left but
-# the start symbol and its code. Can't get rid of the GOT just yet.
+# the start symbol and its code.
.*: file format elf32-cris
Program Header:
LOAD off 0x0+ vaddr 0x0+80000 paddr 0x0+80000 align 2\*\*13
- filesz 0x0+78 memsz 0x0+78 flags r-x
- LOAD off 0x0+78 vaddr 0x0+82078 paddr 0x0+82078 align 2\*\*13
- filesz 0x0+c memsz 0x0+c flags rw-
+ filesz 0x0+58 memsz 0x0+58 flags r-x
private flags = 0:
SYMBOL TABLE:
-0+80074 l d \.text 0+ \.text
-0+82078 l d \.got 0+ \.got
-0+82078 l O \.got 0+ _GLOBAL_OFFSET_TABLE_
-0+80074 g \.text 0+ _start
-0+82084 g \.got 0+ __bss_start
-0+82084 g \.got 0+ _edata
-0+820a0 g \.got 0+ _end
+0+80054 l d \.text 0+ \.text
+0+80054 g \.text 0+ _start
+0+82058 g \.text 0+ __bss_start
+0+82058 g \.text 0+ _edata
+0+82060 g \.text 0+ _end
Contents of section \.text:
- 80074 41b20+ .*
-Contents of section \.got:
- 82078 0+ 0+ 0+ .*
+ 80054 41b20+ .*
# An executable with a R_CRIS_32_GOT_GD, a R_CRIS_16_GOT_GD, a
# R_CRIS_32_GOT_TPREL and a R_CRIS_16_GOT_TPREL against the same local
# symbol, gc:ed. Check that we have nothing left but the start symbol
-# and its code. Can't get rid of the GOT just yet.
+# and its code.
.*: file format elf32-cris
Program Header:
LOAD off 0x0+ vaddr 0x0+80000 paddr 0x0+80000 align 2\*\*13
- filesz 0x0+78 memsz 0x0+78 flags r-x
- LOAD off 0x0+78 vaddr 0x0+82078 paddr 0x0+82078 align 2\*\*13
- filesz 0x0+c memsz 0x0+c flags rw-
+ filesz 0x0+58 memsz 0x0+58 flags r-x
private flags = 0:
SYMBOL TABLE:
-0+80074 l d \.text 0+ \.text
-0+82078 l d \.got 0+ \.got
-0+82078 l O \.got 0+ _GLOBAL_OFFSET_TABLE_
-0+80074 g \.text 0+ _start
-0+82084 g \.got 0+ __bss_start
-0+82084 g \.got 0+ _edata
-0+820a0 g \.got 0+ _end
+0+80054 l d \.text 0+ \.text
+0+80054 g \.text 0+ _start
+0+82058 g \.text 0+ __bss_start
+0+82058 g \.text 0+ _edata
+0+82060 g \.text 0+ _end
Contents of section .text:
- 80074 41b20+ .*
-Contents of section .got:
- 82078 0+ 0+ 0+ .*
+ 80054 41b20+ .*
#objdump: -s -t -r -p
# An executable with a single R_CRIS_32_GD, with gc. Check that we
-# have nothing left but the start symbol and its code. Can't get rid
-# of the GOT just yet.
+# have nothing left but the start symbol and its code.
.*: file format elf32-cris
Program Header:
LOAD off 0x0+ vaddr 0x0+80000 paddr 0x0+80000 align 2\*\*13
- filesz 0x0+78 memsz 0x0+78 flags r-x
- LOAD off 0x0+78 vaddr 0x0+82078 paddr 0x0+82078 align 2\*\*13
- filesz 0x0+c memsz 0x0+c flags rw-
+ filesz 0x0+58 memsz 0x0+58 flags r-x
private flags = 0:
SYMBOL TABLE:
-0+80074 l d \.text 0+ \.text
-0+82078 l d \.got 0+ \.got
-0+82078 l O \.got 0+ _GLOBAL_OFFSET_TABLE_
-0+80074 g \.text 0+ _start
-0+82084 g \.got 0+ __bss_start
-0+82084 g \.got 0+ _edata
-0+820a0 g \.got 0+ _end
+0+80054 l d \.text 0+ \.text
+0+80054 g \.text 0+ _start
+0+82058 g \.text 0+ __bss_start
+0+82058 g \.text 0+ _edata
+0+82060 g \.text 0+ _end
Contents of section \.text:
- 80074 41b20+ .*
-Contents of section \.got:
- 82078 0+ 0+ 0+ .*
+ 80054 41b20+ .*
# An executable with a R_CRIS_32_GOT_GD, a R_CRIS_16_GOT_GD, a
# R_CRIS_32_GOT_TPREL and a R_CRIS_16_GOT_TPREL against the same
-# symbol, gc:ed. Check that we have proper NPTL/TLS markings and GOT.
+# symbol, gc:ed. Check that we have proper NPTL/TLS markings.
.*: file format elf32-cris
Program Header:
LOAD off 0x0+ vaddr 0x0+80000 paddr 0x0+80000 align 2\*\*13
- filesz 0x0+78 memsz 0x0+78 flags r-x
- LOAD off 0x0+78 vaddr 0x0+82078 paddr 0x0+82078 align 2\*\*13
- filesz 0x0+c memsz 0x0+c flags rw-
+ filesz 0x0+58 memsz 0x0+58 flags r-x
private flags = 0:
SYMBOL TABLE:
-0+80074 l d \.text 0+ \.text
-0+82078 l d \.got 0+ \.got
-0+82078 l O \.got 0+ _GLOBAL_OFFSET_TABLE_
-0+80074 g \.text 0+ _start
-0+82084 g \.got 0+ __bss_start
-0+82084 g \.got 0+ _edata
-0+820a0 g \.got 0+ _end
+0+80054 l d \.text 0+ \.text
+0+80054 g \.text 0+ _start
+0+82058 g \.text 0+ __bss_start
+0+82058 g \.text 0+ _edata
+0+82060 g \.text 0+ _end
Contents of section \.text:
- 80074 41b20+ .*
-Contents of section \.got:
- 82078 0+ 0+ 0+ .*
+ 80054 41b20+ .*
#objdump: -s -t -r -p
# An executable with a single R_CRIS_32_IE, with gc. Check that we
-# have nothing left but the start symbol and its code. Can't get rid
-# of the GOT just yet.
+# have nothing left but the start symbol and its code.
.*: file format elf32-cris
Program Header:
LOAD off 0x0+ vaddr 0x0+80000 paddr 0x0+80000 align 2\*\*13
- filesz 0x0+78 memsz 0x0+78 flags r-x
- LOAD off 0x0+78 vaddr 0x0+82078 paddr 0x0+82078 align 2\*\*13
- filesz 0x0+c memsz 0x0+c flags rw-
+ filesz 0x0+58 memsz 0x0+58 flags r-x
private flags = 0:
SYMBOL TABLE:
-0+80074 l d \.text 0+ \.text
-0+82078 l d \.got 0+ \.got
-0+82078 l O \.got 0+ _GLOBAL_OFFSET_TABLE_
-0+80074 g \.text 0+ _start
-0+82084 g \.got 0+ __bss_start
-0+82084 g \.got 0+ _edata
-0+820a0 g \.got 0+ _end
+0+80054 l d \.text 0+ \.text
+0+80054 g \.text 0+ _start
+0+82058 g \.text 0+ __bss_start
+0+82058 g \.text 0+ _edata
+0+82060 g \.text 0+ _end
Contents of section \.text:
- 80074 41b20+ .*
-Contents of section \.got:
- 82078 0+ 0+ 0+ .*
+ 80054 41b20+ .*
SYMBOL TABLE:
0+ l d \.init 0+ (|\.init)
-0+7f8 l +d \.MMIX.reg_contents 0+ (|\.MMIX\.reg_contents)
0+ l df \*ABS\* 0+ .*
0+ l \.init 0+ _start
2000000000000000 g \.init 0+ __bss_start
projects / binutils-gdb.git / commitdiff