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.
98 lines
2 KiB
ArmAsm
98 lines
2 KiB
ArmAsm
.section ".tdata", "awT", @progbits
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.global sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
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.global sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
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.hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
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.align 4
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sg1: .long 17
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sg2: .long 18
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sg3: .long 19
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sg4: .long 20
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sg5: .long 21
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sg6: .long 22
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sg7: .long 23
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sg8: .long 24
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sl1: .long 65
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sl2: .long 66
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sl3: .long 67
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sl4: .long 68
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sl5: .long 69
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sl6: .long 70
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sl7: .long 71
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sl8: .long 72
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sh1: .long 157
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sh2: .long 158
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sh3: .long 159
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sh4: .long 160
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sh5: .long 161
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sh6: .long 162
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sh7: .long 163
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sh8: .long 164
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.text
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.global _start
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.type _start, @function
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_start:
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entry sp, 32
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/* GD -> IE because variable is not defined in executable */
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movi a8, sG1@tlsfunc
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movi a10, sG1@tlsarg
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callx8.tls a8, sG1@tlscall
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/* GD -> IE because variable is not defined in executable where
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the variable is referenced through IE too */
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movi a8, sG2@tlsfunc
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movi a10, sG2@tlsarg
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callx8.tls a8, sG2@tlscall
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/* GD -> LE with global variable defined in executable */
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movi a8, sg1@tlsfunc
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movi a10, sg1@tlsarg
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callx8.tls a8, sg1@tlscall
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/* GD -> LE with local variable defined in executable */
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movi a8, sl1@tlsfunc
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movi a10, sl1@tlsarg
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callx8.tls a8, sl1@tlscall
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/* GD -> LE with hidden variable defined in executable */
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movi a8, sh1@tlsfunc
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movi a10, sh1@tlsarg
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callx8.tls a8, sh1@tlscall
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/* LD -> LE */
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movi a8, _TLS_MODULE_BASE_@tlsfunc
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movi a10, _TLS_MODULE_BASE_@tlsarg
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callx8.tls a8, _TLS_MODULE_BASE_@tlscall
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movi a12, 1+sl1@dtpoff
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add a12, a12, a10
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movi a13, sl2@dtpoff+2
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add a13, a13, a10
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/* LD -> LE against hidden variables */
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movi a12, sh1@dtpoff
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add a12, a12, a10
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movi a13, 3+sh2@dtpoff
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add a13, a13, a10
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/* IE against global var */
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rur a2, THREADPTR
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movi a3, sG2@tpoff
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add a3, a3, a2
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/* IE -> LE against global var defined in exec */
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rur a4, THREADPTR
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movi a5, sg1@tpoff
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add a5, a5, a4
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/* IE -> LE against local var */
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rur a6, THREADPTR
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movi a7, sl1@tpoff
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add a7, a7, a6
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/* IE -> LE against hidden var */
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rur a8, THREADPTR
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movi a9, sh1@tpoff
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add a9, a9, a8
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retw
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