diff options
| author | Bob Wilson <bob.wilson@acm.org> | 2008-08-21 03:28:58 +0400 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@acm.org> | 2008-08-21 03:28:58 +0400 |
| commit | 4a4f863459f083ed2d414b7ff1ca4fdc8ac36878 (patch) | |
| tree | d938316be226e5131cc67a648125906fcac3d74b | |
| parent | 7d0a7940e65bebf69e5e0b2971f50bbc3afa409e (diff) | |
2008-08-20 Bob Wilson <bob.wilson@acm.org>
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.
| -rw-r--r-- | include/elf/ChangeLog | 6 | ||||
| -rw-r--r-- | include/elf/xtensa.h | 9 |
2 files changed, 14 insertions, 1 deletions
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 407c5ec67..ae259dcbc 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,9 @@ +2008-08-20 Bob Wilson <bob.wilson@acm.org> + + * 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. + 2008-08-08 Richard Sandiford <rdsandiford@googlemail.com> Daniel Jacobowitz <dan@codesourcery.com> Catherine Moore <clm@codesourcery.com> diff --git a/include/elf/xtensa.h b/include/elf/xtensa.h index 7e70cb588..400bc1778 100644 --- a/include/elf/xtensa.h +++ b/include/elf/xtensa.h @@ -1,5 +1,5 @@ /* Xtensa ELF support for BFD. - Copyright 2003, 2004, 2007 Free Software Foundation, Inc. + Copyright 2003, 2004, 2007, 2008 Free Software Foundation, Inc. Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica. This file is part of BFD, the Binary File Descriptor library. @@ -76,6 +76,13 @@ START_RELOC_NUMBERS (elf_xtensa_reloc_type) RELOC_NUMBER (R_XTENSA_SLOT12_ALT, 47) RELOC_NUMBER (R_XTENSA_SLOT13_ALT, 48) RELOC_NUMBER (R_XTENSA_SLOT14_ALT, 49) + RELOC_NUMBER (R_XTENSA_TLSDESC_FN, 50) + RELOC_NUMBER (R_XTENSA_TLSDESC_ARG, 51) + RELOC_NUMBER (R_XTENSA_TLS_DTPOFF, 52) + RELOC_NUMBER (R_XTENSA_TLS_TPOFF, 53) + RELOC_NUMBER (R_XTENSA_TLS_FUNC, 54) + RELOC_NUMBER (R_XTENSA_TLS_ARG, 55) + RELOC_NUMBER (R_XTENSA_TLS_CALL, 56) END_RELOC_NUMBERS (R_XTENSA_max) /* Processor-specific flags for the ELF header e_flags field. */ |