* 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.
This commit is contained in:
Jakub Jelinek 2002-05-23 13:12:52 +00:00
parent 82d178a405
commit 7078175474
4 changed files with 32 additions and 3 deletions

View File

@ -1,3 +1,9 @@
2002-05-23 Jakub Jelinek <jakub@redhat.com>
* 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.
2002-05-21 H.J. Lu (hjl@gnu.org)
* bfdlink.h (bfd_link_info): Add allow_multiple_definition.

View File

@ -254,6 +254,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define PT_NOTE 4 /* Auxiliary information */
#define PT_SHLIB 5 /* Reserved, unspecified semantics */
#define PT_PHDR 6 /* Entry for header table itself */
#define PT_TLS 7 /* Thread local storage segment */
#define PT_LOOS 0x60000000 /* OS-specific */
#define PT_HIOS 0x6fffffff /* OS-specific */
#define PT_LOPROC 0x70000000 /* Processor-specific */
@ -322,6 +323,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */
#define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */
#define SHF_GROUP (1 << 9) /* Member of a section group */
#define SHF_TLS (1 << 10) /* Thread local storage section */
/* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */
#define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
@ -417,6 +419,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define STT_SECTION 3 /* Symbol associated with a section */
#define STT_FILE 4 /* Symbol gives a file name */
#define STT_COMMON 5 /* An uninitialised common block */
#define STT_TLS 6 /* Thread local data object */
#define STT_LOOS 10 /* OS-specific semantics */
#define STT_HIOS 12 /* OS-specific semantics */
#define STT_LOPROC 13 /* Application-specific semantics */
@ -585,6 +588,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define DF_SYMBOLIC (1 << 1)
#define DF_TEXTREL (1 << 2)
#define DF_BIND_NOW (1 << 3)
#define DF_STATIC_TLS (1 << 4)
/* These constants are used for the version number of a Elf32_Verdef
structure. */

View File

@ -34,12 +34,31 @@ START_RELOC_NUMBERS (elf_i386_reloc_type)
RELOC_NUMBER (R_386_RELATIVE, 8) /* Adjust by program base */
RELOC_NUMBER (R_386_GOTOFF, 9) /* 32 bit offset to GOT */
RELOC_NUMBER (R_386_GOTPC, 10) /* 32 bit PC relative offset to GOT */
FAKE_RELOC (FIRST_INVALID_RELOC, 11)
FAKE_RELOC (LAST_INVALID_RELOC, 19)
RELOC_NUMBER (R_386_32PLT, 11) /* Used by Sun */
FAKE_RELOC (FIRST_INVALID_RELOC, 12)
FAKE_RELOC (LAST_INVALID_RELOC, 16)
RELOC_NUMBER (R_386_TLS_LE, 17)
RELOC_NUMBER (R_386_TLS_GD, 18)
RELOC_NUMBER (R_386_TLS_LDM, 19)
RELOC_NUMBER (R_386_16, 20)
RELOC_NUMBER (R_386_PC16, 21)
RELOC_NUMBER (R_386_8, 22)
RELOC_NUMBER (R_386_PC8, 23)
RELOC_NUMBER (R_386_TLS_GD_32, 24)
RELOC_NUMBER (R_386_TLS_GD_PUSH, 25)
RELOC_NUMBER (R_386_TLS_GD_CALL, 26)
RELOC_NUMBER (R_386_TLS_GD_POP, 27)
RELOC_NUMBER (R_386_TLS_LDM_32, 28)
RELOC_NUMBER (R_386_TLS_LDM_PUSH, 29)
RELOC_NUMBER (R_386_TLS_LDM_CALL, 30)
RELOC_NUMBER (R_386_TLS_LDM_POP, 31)
RELOC_NUMBER (R_386_TLS_LDO_32, 32)
RELOC_NUMBER (R_386_TLS_IE_32, 33)
RELOC_NUMBER (R_386_TLS_LE_32, 34)
RELOC_NUMBER (R_386_TLS_DTPMOD32, 35)
RELOC_NUMBER (R_386_TLS_DTPOFF32, 36)
RELOC_NUMBER (R_386_TLS_TPOFF32, 37)
/* These are GNU extensions to enable C++ vtable garbage collection. */
RELOC_NUMBER (R_386_GNU_VTINHERIT, 250)
RELOC_NUMBER (R_386_GNU_VTENTRY, 251)

View File

@ -192,7 +192,7 @@ START_RELOC_NUMBERS (elf_ia64_reloc_type)
RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* @tprel(sym+add), data8 MSB */
RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* @tprel(sym+add), data8 LSB */
RELOC_NUMBER (R_IA64_LTOFF_TP22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */
RELOC_NUMBER (R_IA64_LTOFF_TPREL22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */
RELOC_NUMBER (R_IA64_DTPMOD64MSB, 0xa6) /* @dtpmod(sym+add), data8 MSB */
RELOC_NUMBER (R_IA64_DTPMOD64LSB, 0xa7) /* @dtpmod(sym+add), data8 LSB */