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authorAlan Modra <amodra@gmail.com>2003-11-04 06:16:39 +0000
committerAlan Modra <amodra@gmail.com>2003-11-04 06:16:39 +0000
commite1918d23874ba95c5fcdab4902a6d5e24c504f87 (patch)
tree3a1b472a12a89789caf6e3463bc1cfc6a73ba584 /bfd/elflink.c
parent4d100af478667041f27d8cd94fda566847e6f7c9 (diff)
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* bfd-in.h (_bfd_elf_tls_setup): Declare.
* bfd-in2.h: Regenerate. * elf-bfd.h (struct elf_link_tls_segment): Delete. (struct elf_link_hash_table): Add tls_sec and tls_size. * elf.c (_bfd_elf_link_hash_table_init): Init tls_sec and tls_size. * elflink.c (_bfd_elf_tls_setup): New function. * elflink.h (struct elf_final_link_info): Remove first_tls_sec. (elf_bfd_final_link): Don't set first_tls_sec here. Update code saving tls segment info, round segment size up. (elf_link_output_extsym): Adjust code using tls segment info. (elf_link_input_bfd): Likewise. * elf32-i386.c (dtpoff_base, tpoff): Likewise. * elf32-s390.c (dtpoff_base, tpoff): Likewise. * elf32-sh.c (dtpoff_base, tpoff): Likewise. * elf32-sparc.c (dtpoff_base, tpoff): Likewise. * elf64-s390.c (dtpoff_base, tpoff): Likewise. * elf64-x86-64.c (dtpoff_base, tpoff): Likewise. * elfxx-ia64.c (elfNN_ia64_tprel_base): Likewise. (elfNN_ia64_dtprel_base): Likewise. * elf64-alpha.c (alpha_get_dtprel_base): Likewise. (alpha_get_tprel_base): Likewise. (struct alpha_relax_info): Remove tls_segment. (elf64_alpha_relax_got_load): Adjust invocation of alpha_get_dtprel_base and alpha_get_tprel_base. (elf64_alpha_relax_tls_get_addr): Likewise. (elf64_alpha_relax_section): Likewise. (elf64_alpha_relocate_section): Likewise. (elf64_alpha_relax_find_tls_segment): Delete. * elf32-ppc.c (struct ppc_elf_link_hash_table): Remove tls_sec. (ppc_elf_tls_setup): Call _bfd_elf_tls_setup. Return section. (ppc_elf_relocate_section): Adjust to use elf.tls_sec. * elf32-ppc.h (ppc_elf_tls_setup): Update. * elf64-ppc.c (struct ppc_link_hash_table): Remove tls_sec. (ppc64_elf_tls_setup): Call _bfd_elf_tls_setup. Return section. (ppc64_elf_tls_optimize): Adjust to use elf.tls_sec. (ppc64_elf_relocate_section): Likewise. * elf64-ppc.h (ppc64_elf_tls_setup): Update. * emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Call _bfd_elf_tls_setup.
Diffstat (limited to 'bfd/elflink.c')
-rw-r--r--bfd/elflink.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 651ffd5..919de9c 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -2519,3 +2519,31 @@ _bfd_elf_symbol_refs_local_p (struct elf_link_hash_entry *h,
dynamic linker will resolve them locally. */
return local_protected;
}
+
+/* Caches some TLS segment info, and ensures that the TLS segment vma is
+ aligned. Returns the first TLS output section. */
+
+struct bfd_section *
+_bfd_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
+{
+ struct bfd_section *sec, *tls;
+ unsigned int align = 0;
+
+ for (sec = obfd->sections; sec != NULL; sec = sec->next)
+ if ((sec->flags & SEC_THREAD_LOCAL) != 0)
+ break;
+ tls = sec;
+
+ for (; sec != NULL && (sec->flags & SEC_THREAD_LOCAL) != 0; sec = sec->next)
+ if (sec->alignment_power > align)
+ align = sec->alignment_power;
+
+ elf_hash_table (info)->tls_sec = tls;
+
+ /* Ensure the alignment of the first section is the largest alignment,
+ so that the tls segment starts aligned. */
+ if (tls != NULL)
+ tls->alignment_power = align;
+
+ return tls;
+}