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authorJakub Jelinek <jakub@redhat.com>2002-05-23 13:12:53 +0000
committerJakub Jelinek <jakub@redhat.com>2002-05-23 13:12:53 +0000
commit13ae64f3c752ec57e71471d8820c72823a8d827e (patch)
tree31161b5f99c140525dc599d1b5bff0fc3ab9ab2e /ld
parentbaf0cc5e964e70eccb5348c5e9097971d0e184d2 (diff)
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* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_THREAD_LOCAL
for symbols from SHF_TLS section. (_bfd_elf_print_private_bfd_data): Add PT_TLS. (elf_fake_sections): Set SHF_TLS for SEC_THREAD_LOCAL sections. (map_sections_to_segments): Build PT_TLS segment if necessary. (assign_file_positions_for_segments): Likewise. (get_program_header_size): Account for PT_TLS segment. (swap_out_syms): Set type of BSF_THREAD_LOCAL symbols and symbols from SEC_THREAD_LOCAL sections to STT_TLS. * reloc.c: Add 386 and IA-64 TLS relocs. * section.c (SEC_THREAD_LOCAL): Define. (SEC_CONSTRUCTOR_TEXT, SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS): Remove. * elflink.h (elf_link_add_object_symbols): Support .tcommon. (size_dynamic_sections): If DF_STATIC_TLS, set DF_FLAGS unconditionally. (struct elf_final_link_info): Add first_tls_sec. (elf_bfd_final_link): Set first_tls_sec. Compute elf_hash_table (info)->tls_segment. (elf_link_output_extsym): Handle STT_TLS symbols. (elf_link_input_bfd): Likewise. * syms.c (BSF_THREAD_LOCAL): Define. * bfd-in2.h: Rebuilt. * libbfd.h: Rebuilt. * elf32-i386.c (elf_i386_tls_transition, dtpoff_base, tpoff, elf_i386_mkobject, elf_i386_object_p): New functions. (elf_howto_table): Add TLS relocs. (elf_i386_reloc_type_lookup): Support TLS relocs. (elf_i386_info_to_howto_rel): Likewise. (struct elf_i386_link_hash_entry): Add tls_type. (struct elf_i386_obj_tdata): New. (elf_i386_hash_entry, elf_i386_tdata, elf_i386_local_got_tls_type): New macros. (struct elf_i386_link_hash_table): Add tls_ldm_got. (link_hash_newfunc): Clear tls_type. (elf_i386_check_relocs): Support TLS relocs. (elf_i386_gc_sweep_hook): Likewise. (allocate_dynrelocs): Likewise. (elf_i386_size_dynamic_sections): Likewise. (elf_i386_relocate_section): Likewise. (elf_i386_finish_dynamic_symbol): Likewise. (bfd_elf32_mkobject, elf_backend_object_p): Define. * elfxx-ia64.c (struct elfNN_ia64_dyn_sym_info): Add tprel_offset, dtpmod_offset, dtprel_offset, tprel_done, dtpmod_done, dtprel_done, want_tprel, want_dtpmod, want_dtprel. (elfNN_ia64_tprel_base, elfNN_ia64_dtprel_base): New functions. (ia64_howto_table): Add TLS relocs, rename R_IA64_LTOFF_TP22 to R_IA64_LTOFF_TPREL22. (elf_code_to_howto_index): Add TLS relocs. (elfNN_ia64_check_relocs): Support TLS relocs. (allocate_global_data_got): Account for TLS .got data. (allocate_dynrel_entries): Account for TLS dynamic relocations. (elfNN_ia64_install_value): Supprt TLS relocs. (set_got_entry): Support TLS relocs. (elfNN_ia64_relocate_section): Likewise. * config/obj-elf.c (elf_common): Renamed from obj_elf_common. (obj_elf_common): Call elf_common. (obj_elf_tls_common): New function. (elf_pseudo_tab): Support .tls_common. (special_sections): Add .tdata and .tbss. (obj_elf_change_section): Set SEC_THREAD_LOCAL for SHF_TLS sections. (obj_elf_parse_section_letters): Support T in section flags (SHF_TLS). (obj_elf_parse_section_letters): Include T in error message. * config/tc-ppc.c (ppc_section_letter): Likewise. * config/tc-alpha.c (alpha_elf_section_letter): Likewise. (tc_gen_reloc): Handle SEC_THREAD_LOCAL the same way as SEC_MERGE. * config/tc-sparc.c (md_apply_fix3): Likewise. * config/tc-i386.c (tc_i386_fix_adjustable): Add TLS relocs. Define them if not BFD_ASSEMBLER. (lex_got): Support @TLSGD, @TLSLDM, @GOTTPOFF, @TPOFF, @DTPOFF and @NTPOFF. (md_apply_fix3): Add TLS relocs. * config/tc-ia64.c (enum reloc_func): Add FUNC_DTP_MODULE, FUNC_DTP_RELATIVE, FUNC_TP_RELATIVE, FUNC_LT_DTP_MODULE, FUNC_LT_DTP_RELATIVE, FUNC_LT_TP_RELATIVE. (pseudo_func): Support @dtpmod(), @dtprel() and @tprel(). (ia64_elf_section_letter): Include T in error message. (md_begin): Support TLS operators. (md_operand): Likewise. (ia64_gen_real_reloc_type): Support TLS relocs. * testsuite/gas/i386/tlspic.s: New file. * testsuite/gas/i386/tlsd.s: New file. * testsuite/gas/i386/tlsnopic.s: New file. * testsuite/gas/i386/tlsd.d: New file. * testsuite/gas/i386/tlsnopic.d: New file. * testsuite/gas/i386/tlspic.d: New file. * testsuite/gas/i386/i386.exp: Add tlsd, tlsnopic and tlspic tests. * testsuite/gas/ia64/tls.s: New file. * testsuite/gas/ia64/tls.d: New file. * testsuite/gas/ia64/ia64.exp: Add tls test. * write.c (adjust_reloc_syms): Don't change symbols in SEC_THREAD_LOCAL sections to STT_SECTION + addend. * elf/common.h (PT_TLS, SHF_TLS, STT_TLS, DF_STATIC_TLS): Define. * elf/ia64.h (R_IA64_LTOFF_TPREL22): Renamed from R_IA64_LTOFF_TP22. * elf/i386.h: Add TLS relocs. * scripttempl/elf.sc: Add .rel{,a}.t{bss,data}, .tdata and .tbss. * ldlang.c (lang_add_section): Set SEC_THREAD_LOCAL for output section if necessary. Handle .tbss. (lang_size_sections): Clear _raw_size for .tbss section (it allocates space in PT_TLS segment only). * ldwrite.c (build_link_order): Build link order for .tbss too. * readelf.c (get_segment_type): Add PT_TLS. (get_elf_section_flags): Add SHF_TLS. (get_dynamic_flags): Optimize. Add DF_STATIC_TLS. (process_dynamic_segment): Use puts instead of printf. (get_symbol_type): Support STT_TLS. * objdump.c (dump_section_header): Remove SEC_CONSTRUCTOR_TEXT, SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS. Add SEC_THREAD_LOCAL.
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog9
-rw-r--r--ld/ldlang.c7
-rw-r--r--ld/ldwrite.c4
-rw-r--r--ld/scripttempl/elf.sc8
4 files changed, 27 insertions, 1 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 984957f..7c75e83 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,12 @@
+2002-05-23 Jakub Jelinek <jakub@redhat.com>
+
+ * scripttempl/elf.sc: Add .rel{,a}.t{bss,data}, .tdata and .tbss.
+ * ldlang.c (lang_add_section): Set SEC_THREAD_LOCAL for
+ output section if necessary. Handle .tbss.
+ (lang_size_sections): Clear _raw_size for .tbss section
+ (it allocates space in PT_TLS segment only).
+ * ldwrite.c (build_link_order): Build link order for .tbss too.
+
2002-05-23 Alan Modra <amodra@bigpond.net.au>
* configure.in: Correct spelling of AC_PREREQ.
diff --git a/ld/ldlang.c b/ld/ldlang.c
index 796f889..dda1880 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -1210,6 +1210,10 @@ lang_add_section (ptr, section, output, file)
flags &= ~ (SEC_MERGE | SEC_STRINGS);
}
+ /* For now make .tbss normal section. */
+ if (flags & SEC_THREAD_LOCAL)
+ flags |= SEC_LOAD;
+
section->output_section->flags |= flags;
if (flags & SEC_MERGE)
@@ -3010,6 +3014,9 @@ lang_size_sections_1 (s, output_section_statement, prev, fill, dot, relax)
if (bfd_is_abs_section (os->bfd_section))
ASSERT (after == os->bfd_section->vma);
+ else if ((os->bfd_section->flags & SEC_HAS_CONTENTS) == 0
+ && (os->bfd_section->flags & SEC_THREAD_LOCAL))
+ os->bfd_section->_raw_size = 0;
else
os->bfd_section->_raw_size =
(after - os->bfd_section->vma) * opb;
diff --git a/ld/ldwrite.c b/ld/ldwrite.c
index 1296a7d..e5949c1 100644
--- a/ld/ldwrite.c
+++ b/ld/ldwrite.c
@@ -233,7 +233,9 @@ build_link_order (statement)
ASSERT (output_section->owner == output_bfd);
- if ((output_section->flags & SEC_HAS_CONTENTS) != 0)
+ if ((output_section->flags & SEC_HAS_CONTENTS) != 0
+ || ((output_section->flags & SEC_LOAD) != 0
+ && (output_section->flags & SEC_THREAD_LOCAL)))
{
struct bfd_link_order *link_order;
diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc
index f205a6f..0cef64e 100644
--- a/ld/scripttempl/elf.sc
+++ b/ld/scripttempl/elf.sc
@@ -60,6 +60,8 @@
# .sdata2 .gnu.linkonce.s2.foo
# .sbss2 .gnu.linkonce.sb2.foo
# .debug_info .gnu.linkonce.wi.foo
+# .tdata .gnu.linkonce.td.foo
+# .tbss .gnu.linkonce.tb.foo
#
# Each of these can also have corresponding .rel.* and .rela.* sections.
@@ -208,6 +210,10 @@ eval $COMBRELOCCAT <<EOF
${OTHER_READONLY_RELOC_SECTIONS}
.rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) }
.rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) }
+ .rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) }
+ .rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) }
+ .rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) }
+ .rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) }
.rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
.rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
@@ -304,6 +310,8 @@ cat <<EOF
${CONSTRUCTING+SORT(CONSTRUCTORS)}
}
.data1 ${RELOCATING-0} : { *(.data1) }
+ .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
+ .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*) *(.tcommon}) }
.eh_frame ${RELOCATING-0} : { KEEP (*(.eh_frame)) }
.gcc_except_table ${RELOCATING-0} : { *(.gcc_except_table) }
${WRITABLE_RODATA+${RODATA}}