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.

1 files changed, 54 insertions, 0 deletions

diff --git a/ld/testsuite/ld-xtensa/xtensa.exp b/ld/testsuite/ld-xtensa/xtensa.exp
new file mode 100644
index 0000000..e6dc827
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/xtensa.exp
@@ -0,0 +1,54 @@
+# Expect script for ld-xtensa tests
+#   Copyright (C) 2008 Free Software Foundation
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+if { !([istarget "xtensa*-*-linux*"]) } {
+    return
+}
+
+# List contains test-items with 3 items followed by 2 lists:
+# 0:name 1:ld options 2:assembler options
+# 3:filenames of assembler files 4: action and options. 5: name of output file
+
+# Actions:
+# objdump: Apply objdump options on result.  Compare with regex (last arg).
+# nm: Apply nm options on result.  Compare with regex (last arg).
+# readelf: Apply readelf options on result.  Compare with regex (last arg).
+
+set xtensatests {
+    {"TLS -shared transitions"
+     "-shared -melf32xtensa" "" {tlspic1.s tlspic2.s}
+     {{readelf -WSsrl tlspic.rd}
+      {objdump "-drj.text --start-address=0x350" tlspic.dd}
+      {objdump "-sj.text --stop-address=0x350" tlspic.sd}
+      {objdump -sj.tdata tlspic.td}}
+      "libtlspic.so"}
+    {"Helper shared library" "-shared -melf32xtensa"
+     "" {tlslib.s} {} "libtlslib.so"}
+    {"TLS exec transitions"
+     "-melf32xtensa tmpdir/libtlslib.so" "" {tlsbin.s}
+     {{readelf -WSsrl tlsbin.rd}
+      {objdump "-drj.text --start-address=0x400238" tlsbin.dd}
+      {objdump "-sj.text --stop-address=0x400238" tlsbin.sd}
+      {objdump -sj.tdata tlsbin.td}}
+      "tlsbin"}
+}
+
+run_ld_link_tests $xtensatests