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author | Jakub Jelinek <jakub@redhat.com> | 2002-05-23 13:12:53 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2002-05-23 13:12:53 +0000 |
commit | 13ae64f3c752ec57e71471d8820c72823a8d827e (patch) | |
tree | 31161b5f99c140525dc599d1b5bff0fc3ab9ab2e /ld | |
parent | baf0cc5e964e70eccb5348c5e9097971d0e184d2 (diff) | |
download | gdb-13ae64f3c752ec57e71471d8820c72823a8d827e.zip gdb-13ae64f3c752ec57e71471d8820c72823a8d827e.tar.gz gdb-13ae64f3c752ec57e71471d8820c72823a8d827e.tar.bz2 |
* 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/ChangeLog | 9 | ||||
-rw-r--r-- | ld/ldlang.c | 7 | ||||
-rw-r--r-- | ld/ldwrite.c | 4 | ||||
-rw-r--r-- | ld/scripttempl/elf.sc | 8 |
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}} |