Commit the vtable verification feature.  This feature is designed to
detect, at run time, if/when the vtable pointer in a C++ object has
been corrupted, before allowing virtual calls through that pointer. 
If pointer corruption is detected, execution of the program is halted.

libstdc++-v3 ChangeLog:
2013-08-06  Caroline Tice  <cmtice@google.com>

        * fragment.am: Add XTEMPLATE_FLAGS.
        * configure.ac: Add definitions for --enable-vtable-verify.
        * acinclude.m4:  Add --enable-vtable-verify and
        --disable-vtable-verify; define --enable-vtable-verify; define
        VTV_CXXFLAGS, VTV_PCH_CXXFLAGS and VTV_CXXLINKFLAGS.
        * config/abi/pre/gnu.ver: Export symbols for vtable verification.
        * libsupc++/Makefile.am: Define vtv_sources and add it to
        libsupc___la_SOURCES and libsupc__convenience_la_SOURCES.
        * libsupc++/vtv_stubs.cc: New file.
        * include/Makefile.am: Add VTV_PCH_CXXFLAGS to PCHFLAGS.
        * src/Makefile.am: Add VTV_CXXFLAGS to AM_CXXFLAGS; add
        VTV_CXXLINKFLAGS to CXXLINK.
        * src/c++98/Makefile.am: Comment out XTEMPLATE_FLAGS; add VTV_CXXFLAGS
        to AM_CXXFLAGS; add VTV_CXXXLINKFLAGS to CXXLINK.
        * src/C++11/Makefile.am: Ditto.
        * doc/xml/manual/configure.xml: Add entry for --enable-vtable-verify.
        * scripts/testsuite_flags.in: Add cxxvtvflags to Usage; cause
        cxxvtvflags to use VTV_CXXFLAGS and VTV_CXXLINKFLAGS.
        * testsuite/lib/libstdc++.exp: Add cxxvtvflags; add code to locate
        libvtv if --enable-vtable-verify was used; set cxxvtvflags; add
        cxxvtvflags to cxx_final.
        * testsuite/18_support/bad_exception/23591_thread-1.c: Add
        -fvtable-verify=none to compiler flags.
        * testsuite/17_intro/freestanding.cc: Add -fvtable-verify=none
        to compiler flags.
        * configure: Regenerated.
        * Makefile.in: Regenerated.
        * python/Makefile.in: Regenerated.
        * include/Makefile.in: Regenerated.
        * libsupc++/Makefile.in: Regenerated.
        * config.h.in: Regenerated.
        * po/Makefile.in: Regenerated.
        * src/Makefile.in: Regenerated.
        * src/c++98/Makefile.in: Regenerated.
        * src/c++11/Makefile.in: Regenerated.
        * doc/Makefile.in: Regenerated.
        * testsuite/Makefile.in: Regenerated.

top level ChangeLog:
2013-08-06  Caroline Tice  <cmtice@google.com>

        * configure.ac: Add target-libvtv to target_libraries; disable libvtv
        on non-linux systems; add target-libvtv to noconfigdirs; add
        libsupc++/.libs to C++ library search paths.
        * configure: Regenerated.
        * Makefile.def: Add libvtv to target_modules; make libvtv depend on
        libstdc++ and libgcc.
        * Makefile.in: Regenerated.

include/ChangeLog:
2013-08-06  Caroline Tice  <cmtice@google.com>

        * vtv-change-permission.h: New file.

contrib/ChangeLog:
2013-08-06  Caroline Tice4  <cmtice@google.com>

        * gcc_update: Add libvtv files.

libgcc/ChangeLog:
2013-08-06  Caroline Tice  <cmtice@google.com>

        config.host (extra_parts): Add vtv_start.o, vtv_end.o
        vtv_start_preinit.o and vtv_end_preinit.o.
        configure.ac: Add code to check/set enable_vtable_verify.
        Makefile.in: Add rules to build vtv_*.o, if enable_vtable_verify is
        true.
        vtv_start_preinit.c: New file.
        vtv_end_preinit.c: New file.
        vtv_start.c: New file.
        vtv_end.c: New file.
        configure: Regenerated.

gcc/ChangeLog:
2013-08-06  Caroline Tice  <cmtice@google.com>

        * gcc.c (VTABLE_VERIFICATION_SPEC): New definition.
        (LINK_COMMAND_SPEC): Add VTABLE_VERIFICATION_SPEC.
        * tree-pass.h: Add pass_vtable_verify.
        * varasm.c (assemble_variable): Add code to properly set the comdat
        section and name for the .vtable_map_vars section.
        (assemble_vtyv_preinit_initializer): New function.
        (default_sectin_type_flags):  Make sure .vtable_map_vars section has
        LINK_ONCE flag.
        * output.h: Add function decl for assemble_vtv_preinit_initializer.
        * vtable-verify.c: New file.
        * vtable-verify.h: New file.
        * flag-types.h (enum vtv_priority): Defintions for flag_vtable_verify
        initialiation levels.
        * timevar.def (TV_VTABLE_VERIFICATION): New definition.
        * passes.def: Insert pass_vtable_verify.
        * aclocal.m4: Reorder includes.
        * doc/invoke.texi: Add documentation for the flags -fvtable-verify=,
	-fvtv-debug and -fvtv-counts.
        * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add vtv_start*.o,
as appropriate, if -fvtable-verify=... is used.
        (GNU_USER_TARGET_ENDFILE_SPEC): Add vtv_end*.o as appropriate, if
        -fvtable-verify=... is used.
        * Makefile.in (OBJS):  Add vtable-verify.o to list.
        (vtable-verify.o): Add new build rule.
        (GTFILES): Add vtable-verify.c to list.
        * common.opt (fvtable-verify=): New flag.
        (vtv_priority): Values for fvtable-verify= flag.
        (fvtv-counts): New flag.
(fvtv-debug): New flag.
        * tree.h (save_vtable_map_decl): New extern function decl.


gcc/cp/ChangeLog:
2013-08-06  Caroline Tice  <cmtice@google.com>

        * Make-lang.in (*CXX_AND_OBJCXX_OBJS):  Add vtable-class-hierarchy.o to
        list.
        (vtable-class-hierarchy.o): Add build rule.
        * cp-tree.h (vtv_start_verification_constructor_init_function): New
        extern function decl.
        (vtv_finish_verification_constructor_init_function): New extern
        function decl.
        (build_vtbl_address): New extern function decl.
        (get_mangled_vtable_map_var_name): New extern function decl.
        (vtv_compute_class_hierarchy_transitive_closure): New extern function
        decl.
        (vtv_generate_init_routine): New extern function decl.
        (vtv_save_class_info): New extern function decl.
        (vtv_recover_class_info): New extern function decl.
        (vtv_build_vtable_verify_fndecl): New extern function decl.
        * class.c (finish_struct_1): Add call to vtv_save_class_info if
        flag_vtable_verify is true.
        * config-lang.in: Add vtable-class-hierarchy.c to gtfiles list.
        * vtable-class-hierarchy.c: New file.
        * mangle.c (get_mangled_vtable_map_var_name):  New function.
        * decl2.c (start_objects): Update function comment.
        (cp_write_global_declarations): Call vtv_recover_class_info,
        vtv_compute_class_hierarchy_transitive_closure and
        vtv_build_vtable_verify_fndecl, before calling
        finalize_compilation_unit, and call vtv_generate_init_rount after, IFF
        flag_vtable_verify is true.
        (vtv_start_verification_constructor_init_function): New function.
        (vtv_finish_verification_constructor_init_function): New function.
        * init.c (build_vtbl_address): Remove static qualifier from function.

libvtv/ChangeLog:
2013-08-06  Caroline Tice  <cmtice@google.com>

        Initial check-in of new vtable verification feature.
        * configure.ac : New file.
        * acinclude.m4 : New file.
        * Makefile.am : New file.
        * aclocal.m4 : New file.
        * configure.tgt : New file.
        * configure: New file (generated).
        * Makefile.in: New file (generated).
        * vtv_set.h : New file.
        * vtv_utils.cc : New file.
        * vtv_utils.h : New file.
        * vtv_malloc.cc : New file.
        * vtv_rts.cc : New file.
        * vtv_malloc.h : New file.
        * vtv_rts.h : New file.
        * vtv_fail.cc : New file.
        * vtv_fail.h : New file.
        * vtv_map.h : New file.
        * scripts/run-testsuite.sh : New file.
        * scripts/sum-vtv-counts.c : New file.
        * testsuite/parts-test-main.h : New file.
        * testusite/dataentry.cc : New file.
        * testsuite/temp_deriv.cc : New file.
        * testsuite/register_pair.cc : New file.
        * testsuite/virtual_inheritance.cc : New file.
        * testsuite/field-test.cc : New file.
        * testsuite/nested_vcall_test.cc : New file.
        * testsuite/template-list-iostream.cc : New file.
        * testsuite/register_pair_inserts.cc : New file.
        * testsuite/register_pair_inserts_mt.cc : New file.
        * testsuite/event.list : New file.
        * testsuite/parts-test-extra-parts-views.cc : New file.
        * testsuite/parts-test-extra-parts-views.h : New file.
        * testsuite/environment-fail-32.s : New file.
        * testsuite/parts-test-extra-parts.h : New file.
        * testsuite/temp_deriv2.cc : New file.
        * testsuite/dlopen_mt.cc : New file.
        * testsuite/event.h : New file.
        * testsuite/template-list.cc : New file.
        * testsuite/replace-fail.cc : New file.
        * testsuite/Makefile.am : New file.
        * testsuite/Makefile.in: New file (generated).
        * testsuite/mempool_negative.c : New file.
        * testsuite/parts-test-main.cc : New file.
        * testsuite/event-private.cc : New file.
        * testsuite/thunk.cc : New file.
        * testsuite/event-defintiions.cc : New file.
        * testsuite/event-private.h : New file.
        * testsuite/parts-test.list : New file.
        * testusite/register_pair_mt.cc : New file.
        * testsuite/povray-derived.cc : New file.
        * testsuite/event-main.cc : New file.
        * testsuite/environment.cc : New file.
        * testsuite/template-list2.cc : New file.
        * testsuite/thunk_vtable_map_attack.cc : New file.
        * testsuite/parts-test-extra-parts.cc : New file.
        * testsuite/environment-fail-64.s : New file.
        * testsuite/dlopen.cc : New file.
        * testsuite/so.cc : New file.
        * testsuite/temp_deriv3.cc : New file.
        * testsuite/const_vtable.cc : New file.
        * testsuite/mempool_positive.c : New file.
        * testsuite/dup_name.cc : New file.

From-SVN: r201555

include/
	* demangle.h (enum demangle_component_type): Add
	DEMANGLE_COMPONENT_REFERENCE_THIS,
	DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS.
libiberty/
	* cp-demangle.c (d_ref_qualifier): New.
	(d_nested_name, d_function_type): Use it.
	(d_parmlist): Don't get confused by a ref-qualifier.
	(cplus_demangle_type): Reorder ref-qualifier.
	(d_pointer_to_member_type): Likewise.
	(d_dump): Handle DEMANGLE_COMPONENT_REFERENCE_THIS and
	DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS.
	(d_make_comp, has_return_type, d_encoding): Likewise.
	(d_print_comp, d_print_mod_list, d_print_mod): Likewise.
	(d_print_function_type, is_ctor_or_dtor): Likewise.

From-SVN: r197436

include/
	* dwarf2.h (enum dwarf_sect): New enum type.

From-SVN: r196400

http://sourceware.org/ml/binutils/2013-02/msg00136.html
for a change committed to plugin-api.h

2013-02-11  Sriraman Tallam  <tmsriram@google.com>

	* plugin-api.h (enum ld_plugin_level): Assign integers
	explicitly for all values.

From-SVN: r195953

	PR other/54620
	PR target/39064
	* md5.h (md5_uintptr, md5_uint32): Define as uintptr_t/uint32_t if
	stdint.h and sys/types.h headers are present.
	* sha1.h (sha1_uintptr, sha1_uint32): Likewise.

From-SVN: r195579

	PR other/54324
	* ansidecl.h (ATTRIBUTE_UNUSED): Do not set __attribute__ for GCC
	< 3.4.

From-SVN: r194583

gcc/
	* attribs.c (lookup_attribute_spec): Handle getting a TREE_LIST.
gcc/c-family/
	* c.opt (Wabi-tag): New.
gcc/cp/
	* tree.c (cxx_attribute_table): Add abi_tag attribute.
	(check_abi_tag_redeclaration, handle_abi_tag_attribute): New.
	* class.c (find_abi_tags_r, check_abi_tags): New.
	(check_bases, check_field_decl): Call check_abi_tags.
	* decl.c (redeclaration_error_message): Call
	check_abi_tag_redeclaration.
	* mangle.c (tree_string_cmp, write_abi_tags): New.
	(write_unqualified_name): Call write_abi_tags.
include/
	* demangle.h (enum demangle_component_type): Add
	DEMANGLE_COMPONENT_TAGGED_NAME.
libiberty/
	* cp-demangle.c (d_dump): Handle DEMANGLE_COMPONENT_TAGGED_NAME.
	(d_make_comp, d_find_pack, d_print_comp): Likewise.
	(d_abi_tags): New.
	(d_name): Call it.

From-SVN: r193367

gcc/ChangeLog

2012-11-06  Sterling Augustine <saugustine@google.com>
            Cary Coutant <ccoutant@google.com>

	* common.opt (gno-split-dwarf, gsplit-dwarf): New switches.
	* doc/invoke.texi (Debugging Options): Document them.
	* gcc.c (replace_extension_spec_func):  New function.
	(ASM_FINAL_SPEC): Adjust.
	(static_spec_functions): Add new field for replace-extension.
	(check_live_switch): Adjust comment.  Add case for 'g'.
	* opts.c (finish_options): Set x_debug_generate_pub_sections based on
	x_dwarf_split_debug_info.
	(common_handle_option): Add case for OPT_gsplit_dwarf.
	* dwarf2out.h (addr_table_entry_struct): Add forward declaration.
	(dw_val_struct): Add val_entry pointer.
	* dwarf2out.c: (debug_skeleton_info_section,
	debug_skeleton_abbrev_section, debug_addr_section,
	debug_skeleton_line_section, debug_str_offsets_section): New globals.
	(NOT_INDEXED, NO_INDEX_ASSIGNED): New defines.
	(indirect_string_node): New field index.
	(ate_kind): New enum with fields ate_kind_rtc, ate_kind_rtx_dtprel,
	ate_kind_label.
	(addr_table_entry): New structure and type.
	(dw_loc_list_struct): Add field begin_entry.
	(new_loc_desc): Initialize val_entry.
	(size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
	Add cases for DW_OP_GNU_addr_index and DW_OP_const_index.
	(build_cfa_loc): Initialize val_entry.
	(AT_index, add_addr_table_entry, remove_addr_table_entry,
	add_AT_lbl_id): New functions.
	(add_AT_addr, add_AT_range_list): New parameter force_direct.
	(output_die_abbrevs): New function.
	(add_ranges_by_labels): New parameter force_direct.
	(output_line_info): New parameter prologue_only.
	(dtprel_bool): New enum with dtprel_false and dtprel_true.
	(dw_addr_op, new_addr_loc_descr): New functions.
	(DEBUG_DWO_INFO_SECTION, DEBUG_DWO_ABBREV_SECTION,
	DEBUG_ADDR_SECTION, DEBUG_NORM_MACINFO_SECTION,
	DEBUG_DWO_MACINFO_SECTION, DEBUG_MACINFO_SECTION,
	DEBUG_NORM_MACRO_SECTION, DEBUG_DWO_MACRO_SECTION,
	DEBUG_MACRO_SECTION, DEBUG_DWO_LINE_SECTION,
	DEBUG_DWO_LOC_SECTION, DEBUG_NORM_STR_OFFSETS_SECTION,
	DEBUG_DWO_STR_OFFSETS_SECTION, DEBUG_STR_OFFSETS_SECTION,
	DEBUG_DWO_STR_SECTION, DEBUG_NORM_STR_SECTION, DEBUG_STR_SECTION,
	DEBUG_MACRO_SECTION_FLAGS, DEBUG_SKELETON_LINE_SECTION_LABEL,
	DEBUG_SKELETON_INFO_SECTION_LABEL, DEBUG_ADDR_SECTION_LABEL
	DEBUG_SKELETON_ABBREV_SECTION_LABEL): New macros.
	(DEBUG_STR_SECTION_FLAGS): Adjust.
	(TEXT_SECTION_LABEL, COLD_TEXT_SECTION_LABEL,
	DEBUG_LINE_SECTION_LABEL, DEBUG_INFO_SECTION_LABEL,
	DEBUG_ABBREV_SECTION_LABEL, DEBUG_ADDR_SECTION_LABEL,
	DEBUG_LOC_SECTION_LABEL, DEBUG_RANGES_SECTION_LABEL,
	DEBUG_MACINFO_SECTION_LABEL, DEBUG_MACRO_SECTION_LABEL): Adjust
	indentation.
	(debug_skeleton_abbrev_section_label, debug_addr_section_label,
	debug_skeleton_line_section_label, debug_skeleton_info_section_label):
	New global variables.
	(add_AT_flag, add_AT_int, add_AT_unsigned, add_AT_double, add_AT_vec,
	add_AT_data8): Initialize val_entry.
	(add_AT_low_high_pc): New parameter force_direct. Handle
	dwarf_split_debug_info.
	(set_indirect_string, find_AT_string_form): New functions.
	(AT_string_form): Adjust to call find_AT_string_from.
	(add_AT_die_ref, add_AT_fde_ref, add_AT_loc, add_AT_list):
	Initialize val_entry.
	(addr_index_table): New global variable.
	(addr_table_entry_do_hash, addr_table_entry_eq, add_addr_table_entry,
	init_addr_table_entry, remove_addr_table_entry, index_addr_table_entry,
	remove_loc_list_addr_table_entries): New functions.
	(add_AT_addr, add_AT_lbl_id, add_AT_range_list): New parameter
	force_direct.  Handle dwarf_split_debug_info.
	(add_AT_file, add_AT_vms_delta, add_AT_lineptr, add_AT_macptr,
	add_AT_offset): Initialize val_entry.
	(UNRELOCATED_OFFSET, RELOCATED_OFFSET): New defines.
	(size_of_die): Handle dwarf_split_debug_info.
	(size_of_aranges, value_format): Call AT_class.  Check AT_index.
	(output_die_abbrevs): New function.
	(output_abbrev_section): Call output_die_abbrevs.
	(new_loc_list): Initialize begin_entry.
	(output_loc_list): Handle dwarf_split_debug_info.
	(output_range_list_offset, output_loc_list_offset,
	output_attr_index_or_value, ): New functions.
	(output_die): Fix call to dw2_asm_output_data.  Call
	output_attr_index_or_value and output_range_list_offset.
	Adjust logic around dw_val_class_str.
	(add_top_lebel_skeleton_die_attrs, get_skeleton_type_unit,
	output_skeleton_debug_sections): New functions.
	(output_comdat_type_unit, output_pubname, output_aranges): Handle
	dwarf_split_debug_info.
	(add_ranges_by_labels): New parameter force_direct.
	(mem_loc_descriptor, loc_descr): Call new_addr_loc_descr.
	(loc_list_from_tree, add_const_value_attribtue): Use dtprel_bools in
	place of generic integer.
	(dwarf2out_vms_debug_main_pointer, gen_entry_point_die, gen_label_die,
	gen_call_site_die, gen_subprogram_die, gen_variable_die,
	add_high_low_attributes): Adjust calls to add_AT_lbl_id.
	(output_macinfo_op): Adjust indirect_string_logic.
	(save_macinfo_strings): New function.
	(output_macinfo): Adjust.
	(dwarf2out_init): Handle dwarf_split_debug_info.
	(index_string, output_index_string_offset, output_index_string): New
	functions.
	(output_indirect_string): Adjust.
	(output_indirect_strings, output_addr_table_entry, output_addr_table):
	New functions.
	(resolve_addr_in_expr, hash_loc_operands): Handle DW_OP_GNU_addr_index
	and DW_OP_GNU_const_index.  Handle dwarf_split_debug_info.  Call
	remove_loc_list_addr_table_entries and remove_addr_table_entry.
	(index_location_lists): New function.
	(dwarf2out_finish): Handle dwarf_split_debug_info.  New variable
	main_comp_unit_die.  Adjust calls to add_AT_low_high_pc,
	add_ranges_by_labels, add_AT_addr, and add_AT_lineptr. Call
	save_macinfo_strings and output_indirect_strings.

include/ChangeLog

2012-10-29  Sterling Augustine <saugustine@google.com>
            Cary Coutant <ccoutant@google.com>

	* dwarf2.h (dwarf_location_list_entry_type): New enum with fields
	DW_LLE_GNU_end_of_list_entry, DW_LLE_GNU_base_address_selection_entry,
	DW_LLE_GNU_start_end_entry and DW_LLE_GNU_start_length_entry.




Co-Authored-By: Cary Coutant <ccoutant@google.com>

From-SVN: r193267

gcc/cp/
	* decl.c: Define tls_aggregates.
	(expand_static_init): Remove sorry.  Add to tls_aggregates.
	* cp-tree.h: Declare tls_aggregates.
	* call.c (set_up_extended_ref_temp): Add to tls_aggregates.
	* decl2.c (var_needs_tls_wrapper): New.
	(var_defined_without_dynamic_init): New.
	(get_tls_init_fn, get_tls_wrapper_fn): New.
	(generate_tls_wrapper, handle_tls_init): New.
	(cp_write_global_declarations): Call handle_tls_init and
	enerate_tls_wrapper.
	* mangle.c (write_guarded_var_name): Split out from..
	(mangle_guard_variable): ...here.
	(mangle_tls_init_fn, mangle_tls_wrapper_fn): Use it.
	(decl_tls_wrapper_p): New.
	* semantics.c (finish_id_expression): Replace use of thread_local
	variable with a call to its wrapper.
libiberty/
	* cp-demangle.c (d_special_name, d_dump): Handle TH and TW.
	(d_make_comp, d_print_comp): Likewise.
include/
	* demangle.h (enum demangle_component_type): Add
	DEMANGLE_COMPONENT_TLS_INIT and DEMANGLE_COMPONENT_TLS_WRAPPER.

From-SVN: r192211

2012-09-18  Florian Weimer  <fweimer@redhat.com>

	PR other/54411
	* objalloc.h (objalloc_alloc): Do not use fast path on wraparound.

2012-09-18  Florian Weimer  <fweimer@redhat.com>

	PR other/54411
	* objalloc.c (_objalloc_alloc): Add overflow check covering
	alignment and CHUNK_HEADER_SIZE addition.

From-SVN: r191413

2012-09-06  Cary Coutant  <ccoutant@google.com>

include/
	* dwarf2.def: Edit comment.

From-SVN: r191046

	* plugin-api.h (ld_plugin_allow_unique_segment_for_sections):
	New interface.
	(ld_plugin_unique_segment_for_sections): New interface.
	(LDPT_ALLOW_UNIQUE_SEGMENT_FOR_SECTIONS): New enum val.
	(LDPT_UNIQUE_SEGMENT_FOR_SECTIONS): New enum val.
	(tv_allow_unique_segment_for_sections): New member.
	(tv_unique_segment_for_sections): New member.

From-SVN: r190654

	include/
	* filenames.h: #include "hashtab.h".
	(filename_hash, filename_eq): Declare.
	libiberty/
	* filename_cmp.c (filename_hash, filename_eq): New functions.

From-SVN: r189472

From-SVN: r188759

2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>

	* plugin-api.h (ld_plugin_output_file_type): Add LDPO_PIE.

From-SVN: r188484

From-SVN: r188338

	* dwarf2.def (DW_FORM_GNU_ref_alt, DW_FORM_GNU_strp_alt): New
	forms.
	* dwarf2.h (enum dwarf_macro_record_type): Add
	DW_MACRO_GNU_define_indirect_alt, DW_MACRO_GNU_undef_indirect_alt
	and DW_MACRO_GNU_transparent_include_alt.

From-SVN: r188337

	* leb128.h: #include stdint.h, inttypes.h.
	(read_uleb128_to_uint64): Renamed from read_uleb128_to_ull.
	Change to take a uint64_t * argument instead of unsigned long long.
	(read_sleb128_to_uint64): Renamed from read_sleb128_to_ll.
	Change to take an int64_t * argument instead of long long.

From-SVN: r187818

From-SVN: r187780

toplevel/include/
	* dwarf2.def: Update comment re: UPC extensions to reference
	DWARF4 specification.

From-SVN: r187689

include/

	* dwarf2.def: Remove DW_FORM_GNU_ref_index,
	replace DW_AT_GNU_ref_base with DW_AT_GNU_ranges_base.

From-SVN: r187061

From-SVN: r186934

From-SVN: r186918

gcc
	* dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
	(dwarf_tag_name): Use get_DW_TAG_name.
	(dwarf_attr_name): Use get_DW_AT_name.
	(dwarf_form_name): Use get_DW_FORM_name.
	* dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
include
	* dwarf2.h (enum dwarf_tag, enum dwarf_form, enum dwarf_attribute)
	(enum dwarf_location_atom, enum dwarf_type, enum
	dwarf_call_frame_info): Remove.
	(DW_TAG, DW_TAG_DUP, DW_FORM, DW_AT, DW_AT_DUP, DW_OP)
	(DW_OP_DUP, DW_ATE, DW_ATE_DUP, DW_CFA): New macros.
	Include dwarf2.def.
	(get_DW_TAG_name, get_DW_AT_name, get_DW_FORM_name)
	(get_DW_OP_name, get_DW_ATE_name): Declare.
	* dwarf2.def: New file, from dwarf2.h.
libiberty
	* dwarfnames.c: New file.
	* Makefile.in (CFILES): Add dwarfnames.
	(REQUIRED_OFILES): Add dwarfnames.
	(./dwarfnames.$(objext)): New target.

From-SVN: r186908

gcc/
2012-04-10  Tristan Gingold  <gingold@adacore.com>

	* gengtype.c (main): Make uintptr_t a known type.

include/
2012-04-10  Tristan Gingold  <gingold@adacore.com>

	* splay-tree.h: Conditionnaly includes stdint.h and inttypes.h
	(libi_uhostptr_t, libi_shostptr_t): Remove, replaced by uintptr_t.

From-SVN: r186269

	* dwarf2.h (enum dwarf_form): Add Fission extensions.
	(enum dwarf_attribute): Likewise.

From-SVN: r183588

	PR c++/6057
	PR c++/48051
	PR c++/50855
	PR c++/51322
gcc/cp/
	* mangle.c (write_expression): Support NEW_EXPR, DELETE_EXPR,
	THROW_EXPR, CONSTRUCTOR, OVERLOAD.  Fix PREINCREMENT_EXPR and
	PREDECREMENT_EXPR.
	(write_template_arg): Fix mangling of class-scope functions and
	argument packs.
	(mangle_decl): Update suggested -fabi-version argument.
	* operators.def: Add DOTSTAR_EXPR, REINTERPRET_CAST_EXPR,
	DYNAMIC_CAST_EXPR; correct CONST_CAST_EXPR, STATIC_CAST_EXPR.
	* tree.c (dependent_name): No longer static.
	* cp-tree.h: Declare it.
	* pt.c (unify): Defer handling of unconverted functions.
include/
	* demangle.h (enum demangle_component_type): Add
	DEMANGLE_COMPONENT_INITIALIZER_LIST, DEMANGLE_COMPONENT_NULLARY.
libiberty/
	* cp-demangle.c (d_dump): Handle DEMANGLE_COMPONENT_NULLARY and
	DEMANGLE_COMPONENT_INITIALIZER_LIST.
	(d_make_comp): Likewise.  Allow null right arg for
	DEMANGLE_COMPONENT_TRINARY_ARG2.
	(cplus_demangle_operators): Adjust new/delete; add .*, :: and throw.
	(d_template_args, d_template_arg): Handle 'J' for argument packs.
	(d_exprlist): Add terminator parm.
	(d_expression, d_print_comp): Handle initializer lists, nullary
	expressions, prefix/suffix operators, and new.
	(d_print_subexpr): Avoid parens around DEMANGLE_COMPONENT_QUAL_NAME
	and DEMANGLE_COMPONENT_INITIALIZER_LIST.
	* testsuite/demangle-expected: Add tests.

From-SVN: r182970

From-SVN: r181154

* obstack.h [!GNUC] (obstack_free): Avoid cast to int.
* ansidecl.h (ENUM_BITFIELD): Always use enum in C++

From-SVN: r180321

	include/
	* timeval-utils.h: New file.

	libiberty/
	* timeval-utils.c: New file.
	* Makefile.in (CFILES): Add it.
	(REQUIRED_OFILES): Add timeval-utils.$(objext).
	(INSTALLED_HEADERS): Add timeval-utils.h.
	(timeval-utils.$(objext)): Add rule.

From-SVN: r179319

	include/
	* libiberty.h (countargv): Declare.

	libiberty/
	* argv.c (countargv): New function.

From-SVN: r179318

	PR lto/47247
	* plugin-api.h (enum ld_plugin_symbol_resolution): Add
	LDPR_PREVAILING_DEF_IRONLY_EXP.
	(enum ld_plugin_tag): Add LDPT_GET_SYMBOLS_V2.

From-SVN: r179220

include/ChangeLog:

	PR 40831
	* demangle.h (enum demangle_component_type): Add
	DEMANGLE_COMPONENT_CLONE.

libiberty/ChangeLog:

	PR 40831
	* cp-demangle.c (d_make_comp): Add new component type.
	(cplus_demangle_mangled_name): Check for clone suffixes.
	(d_parmlist): Don't error out if we see '.'.
	(d_clone_suffix): New function.
	(d_print_comp): Print info for clone suffixes.
	* testsuite/demangle-expected: Add new testcases.

From-SVN: r179132

	gcc:
	* system.h [__cplusplus]: Wrap C function declarations in extern "C".

	include:
	* xregex.h (regoff_t): Define.

From-SVN: r176747

	* dwarf2.h (DW_AT_GNU_macros): New.
	(enum dwarf_macro_record_type): New enum.  Add DW_MACRO_GNU_*.

	* dwarf2out.c (struct macinfo_struct): Change code to unsigned char.
	(DEBUG_MACRO_SECTION, DEBUG_MACRO_SECTION_LABEL): Define.
	(dwarf_attr_name): Handle DW_AT_GNU_macros.
	(dwarf2out_define): If the vector is empty and
	lineno is 0, emit a dummy entry first.
	(dwarf2out_undef): Likewise.  Remove redundant semicolon.
	(htab_macinfo_hash, htab_macinfo_eq, output_macinfo_op,
	optimize_macinfo_range): New functions.
	(output_macinfo): Use them.  If !dwarf_strict and .debug_str is
	mergeable, optimize longer strings using
	DW_MACRO_GNU_{define,undef}_indirect and if HAVE_COMDAT_GROUP,
	optimize longer sequences of define/undef ops from headers
	using DW_MACRO_GNU_transparent_include.  For !dwarf_strict
	emit a section headers.
	(dwarf2out_init): For !dwarf_strict set debug_macinfo_section
	and macinfo_section_label to DEBUG_MACRO_SECTION
	resp. DEBUG_MACRO_SECTION_LABEL.
	(dwarf2out_finish): For !dwarf_strict emit DW_AT_GNU_macros
	instead of DW_AT_macro_info.

From-SVN: r176653

	PR c++/49756
	* libiberty.h (stack_limit_increase): New prototype.

	* stack-limit.c: New file.
	* Makefile.in: Regenerate deps.
	(CFILES): Add stack-limit.c.
	(REQUIRED_OFILES): Add ./stack-limit.$(objext).
	* configure.ac (checkfuncs): Add getrlimit and setrlimit.
	(AC_CHECK_FUNCS): Likewise.
	* configure: Regenerated.
	* config.in: Regenerated.

	* gcc.c (main): Call stack_limit_increase (64MB).
	* toplev.c (toplev_main): Likewise.

From-SVN: r176617

	
	* plugin-api.h
	(ld_plugin_section): New struct.
	(ld_plugin_get_section_count): New typedef.
	(ld_plugin_get_section_type): New typedef.
	(ld_plugin_get_section_name): New typedef.
	(ld_plugin_get_section_contents): New typedef.
	(ld_plugin_update_section_order): New typedef.
	(ld_plugin_allow_section_ordering): New typedef.
	(LDPT_GET_SECTION_COUNT): New enum value.
	(LDPT_GET_SECTION_TYPE): New enum value.
	(LDPT_GET_SECTION_NAME): New enum value.
	(LDPT_GET_SECTION_CONTENTS): New enum value.
	(LDPT_UPDATE_SECTION_ORDER): New enum value.
	(LDPT_ALLOW_SECTION_ORDERING): New enum value.
	(tv_get_section_count): New struct members.
	(tv_get_section_type): New struct members.
	(tv_get_section_name): New struct members.
	(tv_get_section_contents): New struct members.
	(tv_update_section_order): New struct members.
	(tv_allow_section_ordering): New struct members.

From-SVN: r176260

HFS+, the FS on Darwin, is case insensitive. So this patch adjusts
filename_cmp.c to ignore the casing when comparing filenames on Darwin.

include/ChangeLog:

        * filenames.h (HAVE_CASE_INSENSITIVE_FILE_SYSTEM): Define
        on Darwin, as well as on the systems that use a DOS-like
        filesystem.

libiberty/ChangeLog:

        * filename_cmp.c (filename_cmp, filename_ncmp): Add handling of
        HAVE_CASE_INSENSITIVE_FILE_SYSTEM.

From-SVN: r175762

	PR debug/47858
	* gimple.h (enum gimple_debug_subcode): Add GIMPLE_DEBUG_SOURCE_BIND.
	(gimple_build_debug_source_bind_stat): New prototype.
	(gimple_build_debug_source_bind): Define.
	(gimple_debug_source_bind_p, gimple_debug_source_bind_get_var,
	gimple_debug_source_bind_get_value,
	gimple_debug_source_bind_get_value_ptr,
	gimple_debug_source_bind_set_var,
	gimple_debug_source_bind_set_value): New inlines.
	* gimple.c (gimple_build_debug_source_bind_stat): New function.
	* gimple-pretty-print.c (dump_gimple_debug): Handle
	GIMPLE_DEBUG_SOURCE_BIND.
	* sese.c (rename_uses): Handle gimple_debug_source_bind_p.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
	* tree-parloops.c (eliminate_local_variables,
	separate_decls_in_region): Likewise.
	(separate_decls_in_region_debug): Renamed from
	separate_decls_in_region_debug_bind.  Handle
	gimple_debug_source_bind_p.
	* tree.h (decl_debug_args_lookup, decl_debug_args_insert): New
	prototypes.
	(DECL_HAS_DEBUG_ARGS_P): Define.
	(struct tree_function_decl): Add has_debug_args_flag field.
	* tree.c (debug_args_for_decl): New variable.
	(decl_debug_args_lookup, decl_debug_args_insert): New functions.
	* tree-into-ssa.c (mark_def_sites): Handle uses in debug stmts.
	(rewrite_debug_stmt_uses): New function.
	(rewrite_stmt): Use it to rewrite debug stmt uses.
	* rtl.def (DEBUG_PARAMETER_REF): New.
	* rtl.h (DEBUG_PARAMETER_REF_DECL): Define.
	* cselib.c (rtx_equal_for_cselib_1, cselib_hash_rtx): Handle
	DEBUG_PARAMETER_REF.
	* rtl.c (rtx_equal_p_cb, rtx_equal_p, iterative_hash_rtx): Likewise.
	* print-rtl.c (print_rtx): Likewise.
	* tree-sra.c (sra_ipa_reset_debug_stmts): Prefer replacing of
	SSA_NAMEs with DEBUG_EXPR_DECLs initialized in source bind
	debug stmts in the first bb.
	* tree-inline.c (remap_ssa_name): If remapping default def
	of a PARM_DECL fails, map to a DEBUG_EXPR_DECL set in
	a source bind debug stmt.
	(remap_gimple_stmt): Handle gimple_debug_source_bind_p.
	(maybe_move_debug_stmts_to_successors): Likewise.
	(copy_debug_stmt): Likewise.  Avoid shadowing a variable.
	(tree_function_versioning): If DECL_HAS_DEBUG_ARGS_P, copy
	debug args vector from old_decl to new_decl.
	* ipa-prop.c (ipa_modify_call_arguments): For optimized away
	or modified parameters, add debug bind stmts before call
	setting DEBUG_EXPR_DECL which is remembered in debug args
	vector.
	* cfgexpand.c (expand_call_stmt): Call expand_debug_expr
	on DECL_DEBUG_EXPRs from debug args vector.
	(expand_debug_source_expr): New function.
	(expand_debug_locations): Use it for source bind insns.
	(expand_gimple_basic_block): Handle gimple_debug_source_bind_p.
	* var-tracking.c (prepare_call_arguments): Add debug args
	to call_arguments if any.
	* dwarf2out.c (dwarf_stack_op_name, size_of_loc_descr,
	output_loc_operands, output_loc_operands_raw,
	resolve_addr_in_expr, compare_loc_operands): Handle
	DW_OP_GNU_parameter_ref.
	(get_ref_die_offset, parameter_ref_descriptor): New functions.
	(mem_loc_descriptor): Handle DEBUG_PARAMETER_REF.
	(gen_subprogram_die): Handle parameters identified by
	DEBUG_PARAMETER_REF.

	* dwarf2.h (enum dwarf_location_atom): Add DW_OP_GNU_parameter_ref.

From-SVN: r175288

include/
	* demangle.h (DMGL_RET_POSTFIX): Extend the comment.
	(DMGL_RET_DROP): New.

libiberty/
	* cp-demangle.c (d_print_comp) <DEMANGLE_COMPONENT_FUNCTION_TYPE>: Do
	not pass DMGL_RET_POSTFIX or DMGL_RET_DROP.  Support DMGL_RET_DROP.
	* testsuite/demangle-expected: New testcases for --ret-drop.
	* testsuite/test-demangle.c: Document --ret-drop in a comment.
	(main): New variable ret_drop, fill it, call cplus_demangle with it.

From-SVN: r175000