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28dbbc0203
bfd/
* elf-bfd.h (elf_object_id): Add XTENSA_ELF_TDATA.
* elf32-xtensa.c (elf_howto_table): Add TLS relocations.
(elf_xtensa_reloc_type_lookup): Likewise.
(TCB_SIZE): Define.
(elf_xtensa_link_hash_entry): New.
(GOT_UNKNOWN, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_TLS_ANY): Define.
(elf_xtensa_hash_entry): Define.
(elf_xtensa_obj_tdata): New.
(elf_xtensa_tdata): Define.
(elf_xtensa_local_got_tls_type): Define.
(elf_xtensa_local_tlsfunc_refcounts): Define.
(is_xtensa_elf): Define.
(elf_xtensa_mkobject): New.
(elf_xtensa_link_hash_table): Add tlsbase field.
(elf_xtensa_link_hash_newfunc): New.
(elf_xtensa_link_hash_table_create): Use elf_xtensa_link_hash_newfunc.
Create an entry for "_TLS_MODULE_BASE_" and save it in tlsbase field.
(elf_xtensa_copy_indirect_symbol): New.
(elf_xtensa_check_relocs): Rewrite to handle TLS relocations.
(elf_xtensa_gc_sweep_hook): Likewise.
(elf_xtensa_allocate_dynrelocs): Optimize away GOT entries for
TLSDESC_FN relocations when an IE reference is seen.
(elf_xtensa_allocate_local_got_size): Likewise.
(elf_xtensa_always_size_sections): New.
(dtpoff_base, tpoff): New.
(elf_xtensa_do_reloc): Handle TLS relocations.
(replace_tls_insn): New.
(IS_XTENSA_TLS_RELOC): Define.
(elf_xtensa_relocate_section): Handle TLS relocations.
(get_indirect_call_dest_reg): New.
(bfd_elf32_mkobject): Define.
(elf_backend_always_size_sections): New.
(elf_backend_copy_indirect_symbol): New.
* reloc.c (BFD_RELOC_XTENSA_TLSDESC_FN, BFD_RELOC_XTENSA_TLSDESC_ARG)
(BFD_RELOC_XTENSA_TLS_DTPOFF, BFD_RELOC_XTENSA_TLS_TPOFF)
(BFD_RELOC_XTENSA_TLS_FUNC, BFD_RELOC_XTENSA_TLS_ARG)
(BFD_RELOC_XTENSA_TLS_CALL): New.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
gas/
* config/tc-xtensa.c (O_tlsfunc, O_tlsarg, O_tlscall): Define.
(O_tpoff, O_dtpoff): Define.
(suffix_relocs): Add entries for TLS suffixes.
(xtensa_elf_cons): Check for invalid use of TLS relocations.
(map_operator_to_reloc): Add is_literal parameter and use it to
control translating TLS instruction relocations to the corresponding
literal relocations.
(xg_valid_literal_expression): Allow TLS operators.
(xg_build_to_insn): Copy TLS operators from pseudo-instruction
operands to generated literals.
(xg_assemble_literal): Handle TLS operators. Update call to
map_operator_to_reloc.
(md_assemble): Handle CALLXn.TLS pseudo-instruction.
(md_apply_fix): Handle TLS relocations.
(emit_single_op): Handle TLS operators.
(convert_frag_immed): Update call to map_operator_to_reloc.
(vinsn_to_insnbuf): Emit relocations for TLS-related instructions.
* config/xtensa-istack.h (tinsn_struct): Add tls_reloc field.
* config/xtensa-relax.c (append_literal_op): Add src_op parameter
to initialize the op_data field of the BuildOp.
(build_transition): Use it here to record the source operand
corresponding to a generated literal.
* config/xtensa-relax.h (build_op): Comment op_data use for literals.
include/elf/
* xtensa.h (R_XTENSA_TLSDESC_FN, R_XTENSA_TLSDESC_ARG)
(R_XTENSA_TLS_DTPOFF, R_XTENSA_TLS_TPOFF, R_XTENSA_TLS_FUNC)
(R_XTENSA_TLS_ARG, R_XTENSA_TLS_CALL): New.
ld/testsuite/
* ld-xtensa/tlsbin.dd, ld-xtensa/tlsbin.rd, ld-xtensa/tlsbin.s,
ld-xtensa/tlsbin.sd, ld-xtensa/tlsbin.td, ld-xtensa/tlslib.s,
ld-xtensa/tlspic.dd, ld-xtensa/tlspic.rd, ld-xtensa/tlspic.sd,
ld-xtensa/tlspic.td, ld-xtensa/tlspic1.s, ld-xtensa/tlspic2.s: New.
* ld-xtensa/xtensa.exp: Run them.
55 lines
2.0 KiB
Plaintext
55 lines
2.0 KiB
Plaintext
# Expect script for ld-xtensa tests
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# Copyright (C) 2008 Free Software Foundation
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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if { !([istarget "xtensa*-*-linux*"]) } {
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return
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}
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# List contains test-items with 3 items followed by 2 lists:
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# 0:name 1:ld options 2:assembler options
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# 3:filenames of assembler files 4: action and options. 5: name of output file
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# Actions:
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# objdump: Apply objdump options on result. Compare with regex (last arg).
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# nm: Apply nm options on result. Compare with regex (last arg).
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# readelf: Apply readelf options on result. Compare with regex (last arg).
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set xtensatests {
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{"TLS -shared transitions"
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"-shared -melf32xtensa" "" {tlspic1.s tlspic2.s}
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{{readelf -WSsrl tlspic.rd}
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{objdump "-drj.text --start-address=0x350" tlspic.dd}
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{objdump "-sj.text --stop-address=0x350" tlspic.sd}
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{objdump -sj.tdata tlspic.td}}
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"libtlspic.so"}
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{"Helper shared library" "-shared -melf32xtensa"
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"" {tlslib.s} {} "libtlslib.so"}
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{"TLS exec transitions"
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"-melf32xtensa tmpdir/libtlslib.so" "" {tlsbin.s}
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{{readelf -WSsrl tlsbin.rd}
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{objdump "-drj.text --start-address=0x400238" tlsbin.dd}
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{objdump "-sj.text --stop-address=0x400238" tlsbin.sd}
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{objdump -sj.tdata tlsbin.td}}
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"tlsbin"}
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}
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run_ld_link_tests $xtensatests
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