* config/tc-cr16.c (md_apply_fix): Put the addend value alone in to
object file without symbol values.
(tc_gen_reloc): For local symbols resolved or its absolute symbol,
then set the relocation type as NULL.
* config.bfd (targ64_selvecs): Add bfd_elf64_l1om_vec if
bfd_elf64_x86_64_vec is supported. Add bfd_elf64_l1om_freebsd_vec
if bfd_elf64_x86_64_freebsd_vec is supported.
(targ_selvecs): Likewise.
* configure.in: Support bfd_elf64_l1om_vec and
bfd_elf64_l1om_freebsd_vec.
* configure: Regenerated.
* configure.tgt (targ64_extra_emuls): Add elf_l1om if elf_x86_64
is supported. Add elf_l1om_fbsd if elf_x86_64_fbsd is supported.
(targ_extra_emuls): Likewise.
* i386-dis.c (print_insn): Handle bfd_mach_l1om and
bfd_mach_l1om_intel_syntax. Use 8 bytes per line for Intel L1OM.
* i386-gen.c (cpu_flag_init): Set CPU_UNKNOWN_FLAGS to ~CpuL1OM.
Add CPU_L1OM_FLAGS.
(cpu_flags): Add CpuL1OM.
(set_bitfield): Take an argument to set the value field.
(process_i386_cpu_flag): Support ~CpuXXX and ~(CpuXXX|CpuYYY).
(process_i386_opcode_modifier): Updated.
(process_i386_operand_type): Likewise.
* i386-init.h: Regenerated.
* i386-tbl.h: Likewise.
* tc-i386.c (cpu_arch): Add .8087, .287, .387, .no87, .nommx,
.nosse, and .noavx.
(cpu_flags_and_not): New.
(set_cpu_arch): Check whether sub-architecture specified is a
feature disable.
(md_parse_option): Likewise.
(parse_real_register): Don't return floating point register
when x87 functionality is disabled.
(md_show_usage): Add new sub-options.
* doc/c-i386.texi: Update with new command line sub-options.
* i386-dis.c (fgrps): Correct annotation for feni/fdisi. Add
frstpm.
* i386-gen.c (cpu_flag_init): Add FP enabling flags where needed.
(cpu_flags): Add Cpu8087, Cpu287, Cpu387, Cpu687, and CpuFISTTP.
(set_bitfield): Expand CpuFP to Cpu8087|Cpu287|Cpu387.
* i386-opc.h (Cpu8087, Cpu287, Cpu387, Cpu687, CpuFISTTP):
Define.
(union i386_cpu_flags): Add cpu8087, cpu287, cpu387, cpu687,
and cpufisttp.
* i386-opc.tbl: Qualify floating point instructions by their
respective CpuXXX flag. Fix fucom{,p,pp}, fprem1, fsin, fcos,
and fsincos to be avilable only on 387. Fix fstsw ax to be
available only on 287+. Add f{,n}eni, f{,n}disi, f{,n}setpm,
and frstpm.
* i386-init.h, i386-tbl.h: Regenerate.
Nick Clifton [Thu, 23 Jul 2009 13:00:30 +0000 (13:00 +0000)]
* config/obj-elf.c (obj_elf_type): Add code to support a type of
gnu_unique_object.
* doc/as.texinfo: Document new feature of .type directive.
* NEWS: Mention support for gnu_unique_object symbol type.
* common.h (STB_GNU_UNIQUE): Define.
* NEWS: Mention the linker's support for symbols with a binding of
STB_GNU_UNIQUE.
* gas/elf/type.s: Add unique global symbol definition.
* gas/elf/type.e: Add expected readelf output for global unique
symbol.
* elfcpp.h (enum STB): Add STB_GNU_UNIQUE.
* readelf.c (get_symbol_binding): For Linux targeted files return
UNIQUE for symbols with the STB_GNU_UNIQUE binding.
* doc/binutils.texi: Document the meaning of the 'u' symbol
binding in the output of nm and objdump --syms.
* elf-bfd.h (struct elf_link_hash_entry): Add unique_global field.
* elf.c (swap_out_syms): Set binding to STB_GNU_UNIQUE for symbols
with the BSF_GNU_UNIQUE flag bit set.
* elfcode.h (elf_slurp_symbol_table): Set the BSF_GNU_UNIQUE flag
for symbols with STB_GNU_UNIQUE binding.
* elflink.c (_bfd_elf_merge_symbol): Set unique_global for symbols
with the STB_GNU_UNIQUE binding.
(elf_link_add_object_symbols): Set the BSF_GNU_UNIQUE flag for
symbols with STB_GNU_UNIQUE binding. Set STB_GNU_UNIQUE for
symbols with the unique_global field set.
(elf_link_output_extsym): Set unique_global field for symbols with
the STB_GNU_UNIQUE binding.
* syms.c (struct bfd_symbol): Define BSF_GNU_UNIQUE flag bit.
(bfd_print_symbol_vandf): Print a 'u' character for BSF_GNU_UNIQUE
symbols.
(bfd_decode_symclass): Return a 'u' character for BSF_GNU_UNIQUE
symbols.
* bfd-in2.h: Regenerate.
PR ld/10426
* elflink.c (elf_link_add_object_symbols): Turn an IFUNC symbol
from a DSO into a normal FUNC symbol.
(elf_link_output_extsym): Turn an undefined IFUNC symbol into
a normal FUNC symbol.
* objfiles.c (objfiles_updated_p): New variable.
(qsort_cmp, bsearch_cmp, update_section_map): New function.
(find_pc_section): Use bsearch.
(set_objfiles_updated_on_exe_change): New function.
(set_objfiles_updated_on_solib_activity): New function.
(_initialize_objfiles): New function.
gdb/
* valops.c (value_fetch_lazy): Handle bitfields explicitly.
(value_assign): Remove unnecessary FIXME. Honor the container
type of bitfields if possible.
* value.c (struct value): Add parent field.
(value_parent): New function.
(value_free): Free the parent also.
(value_copy): Copy the parent also.
(value_primitive_field): Do not read the contents of a lazy
value to create a child bitfield value. Set bitpos and offset
according to the container type if possible.
(unpack_bits_as_long): Rename from unpack_field_as_long. Take
field_type, bitpos, and bitsize instead of type and fieldno.
(unpack_field_as_long): Use unpack_bits_as_long.
* value.h (value_parent, unpack_bits_as_long): New prototypes.
PR gas/10420
* config/tc-i386.c (i386_align_code): Tune for 32bit nops in
64bit.
(i386_target_format): Set cpu_arch_isa_flags.bitfield.cpulm
for 64bit.
Add support for "comdat types" from DWARF4.
* dwarf2read.c (dwarf2_per_objfile): New member types,
signatured_types.
(TYPES_SECTION): New macro.
(dwarf2_per_cu_data): Change size of length field from 30 bits
to 29 bits. New member from_debug_types.
(signatured_type): New struct.
(struct attribute): New union member signatured_type.
(DW_SIGNATURED_TYPE): New macro.
(dwarf2_attr_no_follow): New function.
(read_type_unit_scope): New function.
(follow_die_ref_or_sig, follow_die_sig): New functions.
(dwarf2_locate_sectoins): Handle .debug_types.
(dwarf2_build_psymtabs): Read .debug_types.
(read_type_comp_unit_head): New function.
(hash_type_signature, eq_type_signature): New functions.
(create_debug_types_hash_table): New function.
(lookup_signatured_type): New function.
(process_psymtab_comp_unit): Handle type units too.
(process_type_comp_unit, build_type_psymtabs): New functions.
(dwarf2_build_psymtabs_hard): Call build_type_psymtabs.
(load_partial_comp_unit): Assert not called for a type unit.
(skip_one_die): Handle DW_FORM_sig8.
(queue_comp_unit): Don't call load_full_comp_unit here, or
update read_in_chain.
(psymtab_to_symtab_1): Call read_signatured_type_at_offset for
type units, or load_full_comp_unit for comp units after
queue_comp_unit returns.
(load_full_comp_unit): Assert not called for type units.
(load_full_comp_unit): Update read_in_chain here.
(process_die): Handle DW_TAG_type_unit.
(read_structure_type): Look for signatured types.
(read_enumeration_type): Ditto.
(init_cu_die_reader): Handle .debug_types.
(read_comp_unit): Assert hash not computed yet.
(read_die_and_children): Expand debugging printf to handle .debug_types.
(read_partial_die): Handle DW_TAG_type_unit:
(find_patial_die): Handle .debug_types.
(read_attribute_value): Handle DW_FORM_sig8.
(die_type): Call follow_die_ref_or_sig instead of follow_die_ref.
(die_containing_type): Ditto.
(dwarf_tag_name): Handle DW_TAG_type_unit.
(dwarf_attr_name): Handle DW_AT_signature.
(dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc,
DW_FORM_flag_present, DW_FORM_sig8.
(dump_die_shallow): Handlel DW_FORM_sig8.
(maybe_queue_comp_unit): Change return type to int from void.
All callers updated.
(follow_die_ref): Handle .debug_types.
(lookup_signatured_type_at_offset): New function.
(read_signatured_type_at_offset): New function.
(read_signatured_type): New function.
* features/gdb-target.dtd (target): Accept an optional 'osabi'
element.
(osabi): Define element.
* features/mips-linux.xml (target): Add an osabi subelement set to
GNU/Linux.
* regformats/regdat.sh (xmlarch, xmlosabi): New variables. Don't
write the architecture into $xmltarget. Store it in $xmlarch.
Handle the 'osabi' type. Handle outputting the osabi element of
the target description.
* regformats/reg-x86-64-linux.dat (osabi): Set to GNU/Linux.
* regformats/reg-i386-linux.dat (osabi): Set to GNU/Linux.
* target-descriptions.h (tdesc_osabi, set_tdesc_osabi): Declare.
* target-descriptions.c (struct target_desc) <osabi>: New field.
(tdesc_osabi): New function.
(set_tdesc_osabi): New function.
* xml-tdesc.c: Include osabi.h.
(tdesc_end_osabi): New.
(target_children): Parse "osabi" elements.
* arch-utils.c (gdbarch_info_fill): Try to get the osabi from the
target description if the user didn't override it or it is not
extractable from the bfd. If that still fails, fallback to the
configured in default.
* osabi.h (osabi_from_tdesc_string): Declare.
* osabi.c (osabi_from_tdesc_string): New.
(gdbarch_lookup_osabi): Return GDB_OSABI_UNKNOWN instead of
GDB_OSABI_DEFAULT.
* NEWS: Mention that target descriptions can now describe the
target OS ABI.
Pedro Alves [Mon, 20 Jul 2009 15:18:24 +0000 (15:18 +0000)]
* gnu-nat.c: Include "inf-child.h".
(gnu_mourn_inferior): Use the passed in target_ops
instead of the gnu_ops global.
(gnu_create_inferior): Inline `attach_to_child', use the passed in
target_ops instead of the gnu_ops global.
(gnu_can_run): Delete.
(gnu_attach): Use the passed in target_ops instead of the gnu_ops
global.
(gnu_detach): Ditto.
(gnu_prepare_to_store, gnu_open): Delete.
(gnu_store_registers, gnu_fetch_registers): Delete declarations.
(gnu_ops): Delete.
(init_gnu_ops): Delete.
(gnu_target): New.
(_initialize_gnu_nat): Don't call init_gnu_ops or add_target here.
* gnu-nat.h (gnu_target): Declare.
* i386gnu-nat.c (gnu_fetch_registers, gnu_store_registers): Make
static.
(_initialize_i386gnu_nat): New.
* infrun.c (wait_for_inferior): Invalidate registers and overlay
cache every time before calling target_wait.
(handle_inferior_event): Make static. Always reset waiton_ptid.
Never call registers_changed.
(prepare_to_wait): Do not invaliate registers or overlay cache
(moved to wait_for_inferior). Do not reset waiton_ptid (moved
to handle_inferior_event).
(fetch_inferior_event): Remove check for always-true condition.
* infrun.c (handle_inferior_event): Remove an execution_direction
check in the "check for subroutine calls" test, and add some
additional handling for reverse-stepping through shared libraries.
* config/tc-i386.c (md_assemble): Update operand types.
(update_imm): Updated.
(finalize_imm): Update the first 2 immediate operands only
for instructions with 2 operands or more.
Nick Clifton [Fri, 17 Jul 2009 09:46:00 +0000 (09:46 +0000)]
* elfxx-mips.c (LOAD_INTERLOCKS_P): New define.
(_bfd_mips_elf_size_dynamic_sections): For CPUs without load
interlocking, the last PLT entry needs a nop in the branch delay slot.
(_bfd_mips_elf_finish_dynamic_symbol): For CPUs with load itnerlocking,
output the last two PLT entries in reverse order.
* ld-mips-elf/pic-and-nonpic-3b.dd,
ld-mips-elf/pic-and-nonpic-5b.dd,
ld-mips-elf/pic-and-nonpic-6-o32.dd: Updated to use new PLT entries.
Ian Lance Taylor [Fri, 17 Jul 2009 01:07:33 +0000 (01:07 +0000)]
PR 10400
* layout.h: #include <map>.
(class Kept_section): Change from struct to class. Add accessors
and setters. Add section size to Comdat_group mapping. Change
Comdat_group to std::map. Add is_comdat_ field. Add
linkonce_size field in union.
(class Layout): Update declaration of find_or_add_kept_section.
Don't declare find_kept_object.
* layout.cc (Layout::find_or_add_kept_section): Remove candidate
parameter. Add object, shndx, is_comdat, and is_group_name
parameters. Change all callers. Adjust for new Kept_section.
(Layout::find_kept_object): Remove.
* object.cc (Sized_relobj::include_section_group): Update use of
Kept_section. Rename secnum to shndx. Only record
Kept_comdat_section if sections are the same size.
(Sized_relobj::include_linkonce_section): Update use of
Kept_section. Only record Kept_comdat_section if sections are the
same size. Set size of linkonce section.
(Sized_relobj::map_to_kept_section): Update call to
get_kept_comdat_section.
* object.h (class Sized_relobj): Rename fields in
Kept_comdat_section to drop trailing underscores; change object
field to Relobj*. Change Kept_comdat_section_table to store
struct rather than pointer.
(Sized_relobj::set_kept_comdat_section): Remove kept parameter.
Add kept_object and kept_shndx parameters. Change all callers.
(Sized_relobj::get_kept_comdat_section): Change return type to
bool. Add kept_object and kept_shndx parameters. Change all
callers.
* plugin.cc (Pluginobj::include_comdat_group): Update call to
Layout::find_or_add_kept_section.
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