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.

2 files changed, 14 insertions, 1 deletions

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 407c5ec671..ae259dcbc3 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 7e70cb5882..400bc1778e 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.  */