Commit Graph

1100 Commits

Author SHA1 Message Date
David Malcolm
b2353e5931 libiberty: fix URL for demangler ABI
libiberty/ChangeLog:
	* cp-demangle.c: Update URL for g++ V3 ABI.

From-SVN: r258155
2018-03-02 20:20:37 +00:00
Eli Zaretskii
c6bff8ada6 simple-object-xcoff.c (simple_object_xcoff_find_sections): Use ulong_type to avoid warning about 32-bit shift.
* simple-object-xcoff.c (simple_object_xcoff_find_sections): Use
	ulong_type to avoid warning about 32-bit shift.

From-SVN: r256925
2018-01-21 05:01:31 +00:00
Richard Biener
bf6f2cc7be re PR lto/81968 (early lto debug objects make Solaris ld SEGV)
2018-01-11  Richard Biener  <rguenther@suse.de>
	Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR lto/81968
	libiberty/
	* simple-object-common.h (struct simple_object_functions):
	Change copy_lto_debug_sections callback signature.
	* simple-object-elf.c (SHN_HIRESERVE, SHT_SYMTAB_SHNDX,
	SHF_INFO_LINK): Add defines.
	(simple_object_elf_copy_lto_debug_sections): Instead of
	leaving not to be copied sections empty unnamed SHT_NULL
	remove them from the target section headers and adjust section
	reference everywhere.  Handle SHN_XINDEX in the symbol table
	processing properly.
	* simple-object.c (handle_lto_debug_sections): Change
	interface to return a modified string and handle renaming
	of relocation sections.

Co-Authored-By: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

From-SVN: r256528
2018-01-11 12:12:39 +00:00
Daniel van Gerpen
3ec62f5406 argv.c (expandargv): Correct check for dynamically allocated argv.
2018-01-10  Daniel van Gerpen  <daniel@vangerpen.de>

	* argv.c (expandargv): Correct check for dynamically
	allocated argv.

From-SVN: r256460
2018-01-10 15:40:53 -07:00
Jakub Jelinek
85ec4feb11 Update copyright years.
From-SVN: r256169
2018-01-03 11:03:58 +01:00
Richard Biener
c1177db4fa re PR lto/83452 (FAIL: gfortran.dg/save_6.f90 -O0 (test for excess errors))
2017-01-02  Richard Biener  <rguenther@suse.de>

	PR lto/83452
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_section):
	Do not use UNDEF locals for removed symbols but instead just
	define them in the first prevailing section and with no name.
	Use the same gnu_lto_v1 name for all removed globals we promote to
	WEAK UNDEFs so hpux can use a stub to provide this symbol.  Clear
	sh_info and sh_link in removed sections.

From-SVN: r256069
2018-01-02 08:45:05 +00:00
Richard Biener
bfe6f07666 re PR lto/82757 (r251560 causes: plugin needed to handle lto object)
2017-10-30  Richard Biener  <rguenther@suse.de>

	PR lto/82757
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
	Strip two leading _s from the __gnu_lto_* symbols.

From-SVN: r254219
2017-10-30 12:48:53 +00:00
Alan Modra
160826fefd PR82687, g++.dg/asan/default-options-1.C fails with PR82575 fix
The problem with making discarded symbols hidden is that the
non-default visibility is sticky.  When symbols other than the
__gnu_lto ones are discarded that turns out to be a bad idea.

	PR lto/82687
	PR lto/82575
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
	Only make __gnu_lto symbols hidden.  Delete outdated comment.
	Silence ISO C warning.

From-SVN: r254042
2017-10-24 23:15:01 +10:30
Alan Modra
ebd208bf7b PR82575, lto debugobj references __gnu_lto_slim, ld test liblto-17 fails
If __gnu_lto_slim is global, undefined, default visibility in the
early debug object, then it finds its way into .dynsym when creating
shared libraries.  __gnu_lto_slim in a symbol table (.dynsym or
.symtab) signals nm and other binutils that the object is an LTO
object needing a plugin, but that isn't the case for the ld liblti-17
tests.  So, make __gnu_lto_slim hidden to prevent it becoming
dynamic.  Further, make it weak because some linkers may warn on
finding an undefined global non-default visibility symbol.

	PR lto/82575
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
	Make discarded non-local symbols weak and hidden.

From-SVN: r253914
2017-10-20 09:36:20 +10:30
Jakub Jelinek
f8049c44b9 re PR lto/82598 (lto debugobj lacks .note.GNU-stack)
PR lto/82598
	* simple-object.c (handle_lto_debug_sections): Copy over also
	.note.GNU-stack section with unchanged name.
	* simple-object-elf.c (SHF_EXECINSTR): Define.
	(simple_object_elf_copy_lto_debug_section): Drop SHF_EXECINSTR bit
	on .note.GNU-stack section.

From-SVN: r253851
2017-10-18 11:20:31 +02:00
Nathan Sidwell
68aac47f3a re PR demangler/82195 (Undemangleable lambda)
PR demangler/82195
	* cp-demangle.c (d_encoding): Strip return type when name is a
	LOCAL_NAME.
	(d_local_name): Strip return type of enclosing TYPED_NAME.
	* testsuite/demangle-expected: Add and adjust tests.

From-SVN: r253186
2017-09-26 02:38:12 +00:00
Nathan Sidwell
7cd7dbdadf [demangler PATCH]: Revert and update generic lambda demangling
https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01482.html
	PR demangler/82195
	* cp-demangle.c (d_name): Revert addition of 'toplevel' parm.
	(has_return_type): Recurse for DEMANGLE_COMPONENT_LOCAL_NAME.
	(d_encoding): Revert d_name change.  Use is_fnqual_component_type
	to strip modifiers that do not belong.
	(d_special_name, d_class_enum_type): Revert d_name call change.
	(d_expresion_1): Commonize DEMANGLE_COMPONENT_UNARY building.
	(d_local_name): Revert parsing of a function type.
	(d_print_comp_inner): An inner LOCAL_NAME might contain a
	TEMPLATE.
	* testsuite/demangle-expected: Add & adjust tests

From-SVN: r253075
2017-09-21 15:52:31 +00:00
Nathan Sidwell
fa0cdfb651 [demangler] Fix nested generic lambda
https://gcc.gnu.org/ml/gcc-patches/2017-09/msg00994.html
	PR demangler/82195
	* cp-demangle.c (d_name): Add 'toplevel' parm.  Pass to	...
	(d_local_name): ... here.  Parse trailing function args on nested
	local_name.
	(d_encoding, d_special_name, d_class_enum_type): Adjust d_name calls.
	* testsuite/demangle-expected: Add tests.

From-SVN: r252815
2017-09-15 12:23:57 +00:00
Richard Biener
dc4b8c6820 re PR lto/81968 (early lto debug objects make Solaris ld SEGV)
2017-09-15  Richard Biener  <rguenther@suse.de>

	PR lto/81968
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
	Iterate marking dependent sections necessary.

From-SVN: r252807
2017-09-15 12:11:13 +00:00
Nathan Sidwell
9d89efebaa [Demangle PATCH] Some pre-fix cleanups
https://gcc.gnu.org/ml/gcc-patches/2017-09/msg00983.html

	* cp-demangle.c (is_fnqual_component_type): Reimplement using
	FNQUAL_COMPONENT_CASE.
	(d_encoding): Hold bare_function_type in local var.
	(d_local_name): Build name in both cases and build result once.
	Collapse switch-if to single conditional.
	* testsuite/demangle-expected: Realign blank lines with tests.

From-SVN: r252802
2017-09-15 10:50:05 +00:00
Jiong Wang
ff971abe60 Add DW_CFA_AARCH64_negate_ra_state to dwarf2.def/h and dwarfnames.c
A new vendor CFA DW_CFA_AARCH64_negate_ra_state was introduced for ARMv8.3-A
return address signing, it is multiplexing DW_CFA_GNU_window_save in CFA vendor
extension space.

  This patch adds necessary code to make it available to external, the GDB
patch (https://sourceware.org/ml/gdb-patches/2017-08/msg00215.html) is intended
to use it.

  A new DW_CFA_DUP for it is added in dwarf2.def.  The use of DW_CFA_DUP is to
avoid duplicated case value issue when included in libiberty/dwarfnames.

  Native x86 builds OK to make sure no macro expanding errors.

Committed on behalf of Jiong Wang.

    include/
	* dwarf2.def (DW_CFA_AARCH64_negate_ra_state): New DW_CFA_DUP.
	* dwarf2.h (DW_CFA_DUP): New define.

    libiberty/
	* dwarfnames.c (DW_CFA_DUP): New define.

From-SVN: r252037
2017-09-12 16:39:59 +00:00
Martin Liska
39baa1d35e Fix warning for simple-object-elf.c.
2017-09-01  Martin Liska  <mliska@suse.cz>

	* simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
	Remove duplicite declaration.

From-SVN: r251584
2017-09-01 11:22:04 +00:00
Richard Biener
a621861e39 re PR lto/81968 (early lto debug objects make Solaris ld SEGV)
2017-08-31  Richard Biener  <rguenther@suse.de>

	PR lto/81968
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_section):
	Keep names of removed global symbols.

From-SVN: r251560
2017-08-31 11:21:40 +00:00
Tony Reix
62663034af simple-object-xcoff.c (simple_object_xcoff_find_sections): Improve .go_export csect handling.
* simple-object-xcoff.c (simple_object_xcoff_find_sections):
	Improve .go_export csect handling.  Don't make assumptions
	on containing section or number of auxiliary entries.

From-SVN: r251533
2017-08-30 14:08:00 +00:00
Richard Biener
1963f60adb re PR lto/81968 (early lto debug objects make Solaris ld SEGV)
2017-08-28  Richard Biener  <rguenther@suse.de>

	PR lto/81968
	* simple-object-elf.c (simple_object_elf_copy_lto_debug_section):
	Adjust field with for sh_type write, set SHF_EXCLUDE only for
	removed sections.

From-SVN: r251384
2017-08-28 13:14:28 +00:00
Richard Biener
d4c550fd0e re PR lto/81925 (early lto debug link failure on aarch64_be)
2017-08-22  Richard Biener  <rguenther@suse.de>

	PR lto/81925
	* simple-object-elf.c (simple_object_elf_write_shdr): Adjust
	type of sh_addralign and sh_entsize and properly write
	sh_entsize as Elf_Addr.
	(simple_object_elf_write_to_file): Read sh_entsize as Elf_Addr.

From-SVN: r251276
2017-08-22 13:54:01 +00:00
Richard Biener
1ea85365b4 re PR go/78628 (GO fails to build a translation unit decl)
2017-08-21  Richard Biener  <rguenther@suse.de>

	include/
	* simple-object.h (simple_object_copy_lto_debug_sections): New
	function.

	libiberty/
	* simple-object-common.h (struct simple_object_functions): Add
	copy_lto_debug_sections hook.
	* simple-object.c: Include fcntl.h.
	(handle_lto_debug_sections): New helper function.
	(simple_object_copy_lto_debug_sections): New function copying
	early LTO debug sections to regular debug sections in a new file.
	(simple_object_start_write): Handle NULL segment_name.
	* simple-object-coff.c (simple_object_coff_functions): Adjust
	for not implemented copy_lto_debug_sections hook.
	* simple-object-mach-o.c (simple_object_mach_o_functions): Likewise.
	* simple-object-xcoff.c (simple_object_xcoff_functions): Likewise.
	* simple-object-elf.c (SHT_NULL, SHT_SYMTAB, SHT_RELA, SHT_REL,
	SHT_GROUP): Add various sectopn header types.
	(SHF_EXCLUDE): Add flag.
	(Elf32_External_Sym, Elf64_External_Sym): Add symbol struct.
	(ELF_ST_BIND, ELF_ST_TYPE, ELF_ST_INFO): Add accessors.
	(STT_OBJECT, STT_FUNC, STT_TLS, STT_GNU_IFUNC): Add Symbol types.
	(STV_DEFAULT): Add symbol visibility.
	(SHN_COMMON): Add special section index name.
	(struct simple_object_elf_write): New.
	(simple_object_elf_start_write): Adjust for new private data.
	(simple_object_elf_write_shdr): Pass in values for all fields
	we write.
	(simple_object_elf_write_to_file): Adjust.  Copy from recorded
	section headers if requested.
	(simple_object_elf_release_write): Release private data.
	(simple_object_elf_copy_lto_debug_sections): Copy and rename sections
	as denoted by PFN and all their dependences, symbols and relocations
	to the empty destination file.
	(simple_object_elf_functions): Adjust for copy_lto_debug_sections hook.

        gcc/
        * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
        register_external_die hooks.
        (debug_false_tree_charstarstar_uhwistar): Declare.
        (debug_nothing_tree_charstar_uhwi): Likewise.
        * debug.c (do_nothing_debug_hooks): Adjust.
        (debug_false_tree_charstarstar_uhwistar): New do nothing.
        (debug_nothing_tree_charstar_uhwi): Likewise.
        * dbxout.c (dbx_debug_hooks): Adjust.
        (xcoff_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * dwarf2out.c (macinfo_label_base): New global.
	(dwarf2out_register_external_die): New function for the
	register_external_die hook.
        (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
        (dwarf2_debug_hooks): Use them.
        (dwarf2_lineno_debug_hooks): Adjust.
        (struct die_struct): Add with_offset flag.
        (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
        DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
        DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
        DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
        DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
        DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
        defining section names for the early LTO debug variants.
	(reset_indirect_string): New helper.
        (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
        (print_dw_val): Add support for offsetted symbol references.
	(get_ultimate_context): Split out from is_cxx.
	(is_cxx): Use get_ultimate_context.
	(is_fortran): Add decl overload.
        (compute_comp_unit_symbol): Split out worker from
	compute_section_prefix.
        (compute_section_prefix): Call compute_comp_unit_symbol and
	set comdat_type_p here.
        (output_die): Skip DIE symbol output for the LTO added one.
        Handle DIE symbol references with offset.
        (output_comp_unit): Guard section name mangling properly.
        For LTO debug sections emit a symbol at the section beginning
        which we use to refer to its DIEs.
        (add_abstract_origin_attribute): For DIEs registered via
        dwarf2out_register_external_die directly refer to the early
        DIE rather than indirectly through the shadow one we created.
	Remove obsolete call to dwarf2out_abstract_function for
	non-function/block origins.
        (gen_array_type_die): When generating early LTO debug do
        not emit DW_AT_string_length.
        (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
        late when in LTO.  As suggested place a gcc_unreachable for
	the DECL_ABSTRACT_P case.
        (gen_subprogram_die): Avoid another specification DIE
        for early built declarations/definitions for the late LTO case.
        (gen_variable_die): Add type references for late duplicated VLA dies
        when in late LTO.
        (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
        we have the abstract instance already.
        (process_scope_var): Adjust decl DIE contexts in LTO which
        first puts them in limbo.
        (gen_decl_die): Do not generate type DIEs late apart from
        types for VLAs or for decls we do not yet have a DIE.  Do not
	call dwarf2out_abstract_function late.
        (dwarf2out_early_global_decl): Make sure to create DIEs
        for abstract instances of a decl first.
        (dwarf2out_late_global_decl): Adjust comment.
        (output_macinfo_op): With multiple macro sections use
	macinfo_label_base to distinguish labels.
        (output_macinfo): Likewise.  Update macinfo_label_base.
	Pass in the line info label.
	(note_variable_value_in_expr): When generating LTO resolve
	all variable values here by generating DIEs as needed.
        (init_sections_and_labels): Add early LTO debug flag parameter
        and generate different sections and names if set.  Add generation
        counter for the labels so we can have multiple of them.
        (reset_dies): Helper to allow DIEs to be output multiple times.
        (dwarf2out_finish): When outputting DIEs to the fat part of an
	LTO object first reset DIEs.
        (dwarf2out_early_finish): Output early DIEs when generating LTO.
	(modified_type_die): Check for decl_ultimate_origin being self
	before recursing.
	(gen_type_die_with_usage): Likewise.
	(gen_typedef_die): Allow decl_ultimate_origin being self.
        (set_decl_abstract_flags): Remove.
        (set_block_abstract_flags): Likewise.
        (dwarf2out_abstract_function): Treat the early generated DIEs
        as the abstract copy and only add DW_AT_inline and
        DW_AT_artificial here and call set_decl_origin_self.
	If the DIE has an abstract origin don't do anything.
	* tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
	if we have none yet (Go fails to build one, PR78628).
	(variably_modified_type_p): Prevent endless recursion for Ada
	cyclic pointer types.
        * lto-streamer-in.c: Include debug.h.
        (dref_queue): New global.
        (lto_read_tree_1): Stream in DIE references.
        (lto_input_tree): Register DIE references.
	(input_function): Stream DECL_DEBUG_ARGS.
        * lto-streamer-out.c: Include debug.h.
        (lto_write_tree_1): Output DIE references.
        (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
	Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
	(output_function): Stream DECL_DEBUG_ARGS.
        * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
        Stream DECL_ABSTRACT_ORIGIN.
        * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
	(write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
	DECL_CONTEXT for file-scope decls.
        * lto-streamer.h (struct dref_entry): Declare.
        (dref_queue): Likewise.
	* cfgexpand.c (pass_expand::execute): Do not call the
	outlining_inline_function hook here.
        * lto-wrapper.c (debug_obj): New global.
        (tool_cleanup): Unlink it if required.
        (debug_objcopy): New function.
        (run_gcc): Handle early debug sections in the IL files by
        extracting them to separate files, partially linkin them and
        feeding the result back as result to the linker.

        * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
        DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
        DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
        sections into a separate segment.
        * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
        segments.
        (darwin_asm_dwarf_section): Likewise.
        (darwin_asm_output_dwarf_offset): Likewise.

	* config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.

        lto/
        * lto.c (unify_scc): Truncate DIE reference queue for dropped SCCs.
        (lto_read_decls): Process TRANSLATION_UNIT_DECLs.  Remove
        TYPE_DECL debug processing, register DIE references from
        prevailing SCCs with the debug machinery.
        (lto_section_with_id): Handle LTO debug sections.

	libstdc++/
	* testsuite/libstdc++-prettyprinters/prettyprinters.exp: Run all
	tests with -flto as well if supported.

        testsuite/
	* c-c++-common/asan/global-overflow-1.c: Adjust diagnostic location
	regex to handle the LTO case.
	* c-c++-common/asan/heap-overflow-1.c: Likewise.
	* c-c++-common/asan/misalign-1.c: Likewise.
	* c-c++-common/asan/misalign-2.c: Likewise.
	* c-c++-common/asan/null-deref-1.c: Likewise.
	* c-c++-common/asan/stack-overflow-1.c: Likewise.
	* c-c++-common/asan/strncpy-overflow-1.c: Likewise.
	* c-c++-common/asan/use-after-free-1.c: Likewise.
	* c-c++-common/asan/alloca_big_alignment.c: Likewise.
	* c-c++-common/asan/alloca_detect_custom_size.c: Likewise.
	* c-c++-common/asan/alloca_overflow_partial.c: Likewise.
	* c-c++-common/asan/alloca_overflow_right.c: Likewise.
	* c-c++-common/asan/alloca_underflow_left.c: Likewise.
	* g++.dg/asan/large-func-test-1.C: Likewise.
	* gfortran.dg/save_6.f90: Add -flto -g variant of save_5.f90.

From-SVN: r251220
2017-08-21 10:29:00 +00:00
Jan Kratochvil
ef29f5dd77 include/ChangeLog
2017-07-02  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * dwarf2.def (DW_IDX_compile_unit, DW_IDX_type_unit, DW_IDX_die_offset)
        (DW_IDX_parent, DW_IDX_type_hash, DW_IDX_lo_user, DW_IDX_hi_user)
        (DW_IDX_GNU_internal, DW_IDX_GNU_external): New.
        * dwarf2.h (DW_IDX, DW_IDX_DUP, DW_FIRST_IDX, DW_END_IDX): New.
        (enum dwarf_name_index_attribute): Remove.
        (get_DW_IDX_name): New declaration.

libiberty/ChangeLog
2017-07-02  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * dwarfnames.c (DW_FIRST_IDX, DW_END_IDX, DW_IDX, DW_IDX_DUP): New.

From-SVN: r249883
2017-07-02 20:00:48 +00:00
Tony Reix
c1d2490437 simple-object-xcoff.c (simple_object_xcoff_find_sections): Search symbol table for .go_export symbol and apply pfn if found.
2017-06-07  Tony Reix  <tony.reix@atos.net>
            Matthieu Sarter  <matthieu.sarter.external@atos.net>
            David Edelsohn  <dje.gcc@gmail.com>

        * simple-object-xcoff.c (simple_object_xcoff_find_sections):
        Search symbol table for .go_export symbol and apply pfn if found.

Co-Authored-By: David Edelsohn <dje.gcc@gmail.com>
Co-Authored-By: Matthieu Sarter <matthieu.sarter.external@atos.net>

From-SVN: r248999
2017-06-07 19:23:55 -04:00
DJ Delorie
63d9caf904 configure.ac (strnlen): Add to AC_CHECK_DECLS.
* configure.ac (strnlen): Add to AC_CHECK_DECLS.
* configure: Likewise.
* config.in: Add HACE_DECL_STRNLEN.

From-SVN: r248721
2017-05-31 00:16:45 -04:00
Iain Buclaw
dc64856fdf d-demangle.c (dlang_identifier): Prefix mangled init symbols with `initializer for'.
libiberty/ChangeLog:

	* d-demangle.c (dlang_identifier): Prefix mangled init symbols
	with `initializer for'.
	* testsuite/demangle-expected: Update tests.

From-SVN: r248539
2017-05-27 11:30:22 +00:00
Iain Buclaw
0e3712f6aa d-demangle.c (dlang_call_convention_p): Move declaration before dlang_type.
libiberty/ChangeLog:

	* d-demangle.c (dlang_call_convention_p): Move declaration
	before dlang_type.
	(dlang_type): Handle function types.
	* testsuite/d-demangle-expected: Add tests.

From-SVN: r248538
2017-05-27 11:29:52 +00:00
Iain Buclaw
1a122a71ee d-demangle.c (dlang_parse_real): Remove stack buffer, write the demangled hexadecimal directly to string.
libiberty/ChangeLog:

	* d-demangle.c (dlang_parse_real): Remove stack buffer, write
	the demangled hexadecimal directly to string.
	* testsuite/d-demangle-expected: Add tests.

From-SVN: r248537
2017-05-27 11:29:38 +00:00
Eli Zaretskii
1ab4db9379 waitpid.c (wait): Define as a macro that calls _cwait, so that this function works on MinGW.
2017-05-24  Eli Zaretskii  <eliz@gnu.org>
* libiberty/waitpid.c (wait) [__MINGW32__]: Define as a macro
that calls _cwait, so that this function works on MinGW.

From-SVN: r248430
2017-05-24 17:35:59 -04:00
Iain Buclaw
5398cab9ca d-demangle.c (dlang_hexdigit): New function.
libiberty/ChangeLog:

	* d-demangle.c (dlang_hexdigit): New function.
	(ascii2hex): Remove function.
	(dlang_parse_string): Update to call dlang_hexdigit.
	* testsuite/d-demangle-expected: Add tests.

From-SVN: r247455
2017-05-01 23:38:50 +00:00
Iain Buclaw
dbe65f77ff d-demangle.c (strtol): Remove declaration.
libiberty/ChangeLog:

	* d-demangle.c (strtol): Remove declaration.
	Updated all callers to use dlang_number.
	(dlang_number): New function.
	(dlang_value): Moved check for ISDIGIT into dlang_parse_integer.
	* testsuite/d-demangle-expected: Add tests.

From-SVN: r247453
2017-05-01 23:31:24 +00:00
Iain Buclaw
5a4dbf7d31 d-demangle.c (dlang_parse_symbol): Remove function.
libiberty/ChangeLog:

	* d-demangle.c (dlang_parse_symbol): Remove function.
	(dlang_parse_qualified): New function.
	(dlang_parse_mangle): New function.
	(dlang_type): Update to call dlang_parse_qualified.
	(dlang_identifier): Update to call either dlang_parse_qualified or
	dlang_parse_mangle.
	(dlang_type_modifier_p): Remove function.
	(dlang_call_convention_p): Don't allow type modifiers in mangle.
	(dlang_template_args): Update to call dlang_identifier.
	(dlang_demangle): Update to call dlang_parse_mangle.
	* testsuite/d-demangle-expected: Add tests.

From-SVN: r247450
2017-05-01 22:51:04 +00:00
Iain Buclaw
dd03444ba5 d-demangle.c (dlang_value): Add comment explaining why cases for digits are required.
libiberty/ChangeLog:

	* d-demangle.c (dlang_value): Add comment explaining why cases for
	digits are required.
	* testsuite/d-demangle-expected: Update integer value tests.

From-SVN: r247436
2017-05-01 11:01:02 +00:00
Iain Buclaw
98bb7ee2da d-demangle.c (dlang_parse_symbol): Skip over anonymous symbols.
libiberty/ChangeLog:

	* d-demangle.c (dlang_parse_symbol): Skip over anonymous symbols.
	* testsuite/d-demangle-expected: Add tests.

From-SVN: r247434
2017-05-01 10:50:58 +00:00
Iain Buclaw
c6f44bae7e d-demangle.c (dlang_identifier): Handle template constraint symbols.
libiberty/ChangeLog:

	* d-demangle.c (dlang_identifier): Handle template constraint symbols.
	(dlang_parse_template): Only advance if template symbol prefix is
	followed by a digit.
	* testsuite/d-demangle-expected: Add tests.

From-SVN: r247433
2017-05-01 10:45:35 +00:00
Iain Buclaw
ec89d258a0 d-demangle.c (dlang_attributes): Handle scope attributes.
libiberty/ChangeLog:

	* d-demangle.c (dlang_attributes): Handle scope attributes.
	* testsuite/d-demangle-expected: Add tests.

From-SVN: r247432
2017-05-01 10:39:52 +00:00
Jonathan Wakely
de3b531c9a PR demangler/80513 check for overflows and invalid characters in thunks
PR demangler/80513
	* cp-demangle.c (d_number): Check for overflow.
	* cplus-dem.c (consume_count): Fix overflow check.
	(gnu_special): Check for underscore after thunk delta.
	* testsuite/demangle-expected: Add tests for overflows and invalid
	characters in thunks.

From-SVN: r247300
2017-04-27 10:44:28 +01:00
Mark Wielaard
6b086d35b7 libiberty: Limit demangler maximum d_print_comp recursion call depth.
The fix for PR demangler/70909 and 67264 (endless demangler recursion)
catches when a demangle_component is printed in a cycle. But that doesn't
protect the call stack blowing up from non-cyclic nested types printed
recursively through d_print_comp. This can happen by a (very) long mangled
string that simply creates a very deep pointer or qualifier chain. Limit
the recursive d_print_comp call depth for a d_print_info to 1K nested
types.

libiberty/ChangeLog:

        * cp-demangle.c (MAX_RECURSION_COUNT): New constant.
        (struct d_print_info): Add recursion field.
        (d_print_init): Initialize recursion.
        (d_print_comp): Check and update d_print_info recursion depth.

From-SVN: r247056
2017-04-21 09:02:03 +00:00
Mark Wielaard
13b6ef76dc libiberty: Always return NULL if d_add_substitution fails.
d_add_substitution can fail for various reasons, like when the subs array
is full. If d_add_substitution fails d_substitution should return NULL
early and not try to continue. Every other call of d_add_substitution
is handled in the same way.

libiberty/ChangeLog:

	* cp-demangle.c (d_substitution): Return NULL if d_add_substitution
	fails.

From-SVN: r247055
2017-04-21 09:01:56 +00:00
Mark Wielaard
1240212c6b libiberty: Don't update and remove did_subs field from demangler structs.
The d_info field did_subs was used for estimating the string output
size. It was no longer used when the malloc-less callback interface
was introduced in 2007 (svn r121305). But the field was still updated.
When backtracking was introduced in 2013 (svn r205292) did_subs was
also added to the d_info_checkpoint struct. But except for updating
the field it was still not used.

Since it is never used just stop updating the field and remove it
from the two structs.

libiberty/ChangeLog:

	* cp-demangle.h (struct d_info): Remove did_subs field.
	* cp-demangle.c (struct d_info_checkpoint): Likewise.
	(d_template_param): Don't update did_subs.
	(d_substitution): Likewise.
	(d_checkpoint): Don't assign did_subs.
	(d_backtrack): Likewise.
	(cplus_demangle_init_info): Don't initialize did_subs.

From-SVN: r247054
2017-04-21 09:01:44 +00:00
Pedro Alves
7a312bbd41 cplus_demangle_fill_component: Handle DEMANGLE_COMPONENT_RVALUE_REFERENCE
This patch almost a decade ago:

...
    2007-08-31  Douglas Gregor  <doug.gregor@gmail.com>

        * cp-demangle.c (d_dump): Handle
        DEMANGLE_COMPONENT_RVALUE_REFERENCE.
        (d_make_comp): Ditto.
...

... missed doing the same change to cplus_demangle_fill_component that
was done to d_make_comp.  I.e., teach it to only validate that we're
not passing in a "right" subtree.  GDB has recently (finally) learned
about rvalue references, and a change to make it use
cplus_demangle_fill_component more ran into an assertion because of
this.

(GDB is the only user of cplus_demangle_fill_component in both the gcc
and binutils-gdb trees.)

libiberty/ChangeLog:
2017-03-27  Pedro Alves  <palves@redhat.com>

	* cp-demint.c (cplus_demangle_fill_component): Handle
	DEMANGLE_COMPONENT_RVALUE_REFERENCE.

From-SVN: r246502
2017-03-27 14:23:49 +00:00
Mark Wielaard
9905ca975c libiberty: Initialize d_printing in all cplus_demangle_fill_* functions.
While integrating the d_printing recursion guard change into gdb I
noticed we forgot to initialize the demangle_component d_printing
field in cplus_demangle_fill_{name,extended_operator,ctor,dtor}.
As is done in cplus_demangle_fill_{component,builtin_type,operator}.
It happened to work because in gcc all demangle_components were
allocated through d_make_empty. But gdb has its own allocation
mechanism (as might other users).

libiberty/ChangeLog:

       * cp-demangle.c (cplus_demangle_fill_name): Initialize
       demangle_component d_printing.
       (cplus_demangle_fill_extended_operator): Likewise.
       (cplus_demangle_fill_ctor): Likewise.
       (cplus_demangle_fill_dtor): Likewise.

From-SVN: r246105
2017-03-13 18:26:47 +00:00
Mark Wielaard
a46586c34f Fix PR demangler/70909 and 67264 (endless demangler recursion)
ChangeLog:

       PR demangler/70909
       PR demangler/67264
       * include/demangle.h: Add d_printing to struct demangle_component
       and pass struct demangle_component as non const.

libiberty/ChangeLog:

       PR demangler/70909
       PR demangler/67264
       * cp-demangle.c: Fix endless recursion. Pass
       struct demangle_component as non const.
       (d_make_empty): Initialize variable.
       (d_print_comp_inner): Limit recursion.
       (d_print_comp): Decrement variable.
       * cp-demint.c (cplus_demangle_fill_component): Initialize
       variable.
       (cplus_demangle_fill_builtin_type): Likewise.
       (cplus_demangle_fill_operator): Likewise.
       * testsuite/demangle-expected: Add tests.

From-SVN: r245978
2017-03-08 14:28:38 +00:00
Markus Trippelsdorf
4bbc35f33f Fix PR70182 -- missing "on" in mangling of unresolved operators
The ABI says:

<unresolved-name>
   ::= [gs] <base-unresolved-name>
   ::= sr <unresolved-type> <base-unresolved-name>
   ::= srN <unresolved-type> <unresolved-qualifier-level>+ E <base-unresolved-name>
   ::= [gs] sr <unresolved-qualifier-level>+ E <base-unresolved-name>

<base-unresolved-name>
   ::= <simple-id>
   ::= on <operator-name>
   ::= on <operator-name> <template-args>
   ::= dn <destructor-name

libiberty:

	PR c++/70182
	* cp-demangle.c (d_unqualified_name): Handle "on" for
	operator names.
	* testsuite/demangle-expected: Add tests.

gcc/cp:

	PR c++/70182
	* mangle.c (write_template_args): Add "on" for operator names.

gcc:

	PR c++/70182
	* doc/invoke.texi (fabi-version): Mention mangling fix for
	operator names.

From-SVN: r244567
2017-01-18 08:49:11 +00:00
Markus Trippelsdorf
f6efea5163 Fix PR77489 -- mangling of discriminator >= 1
libiberty:

	PR c++/77489
	* cp-demangle.c (d_discriminator): Handle discriminator >= 10.
	* testsuite/demangle-expected: Add tests for discriminator.

gcc:
	PR c++/77489
	* doc/invoke.texi (fabi-version): Document discriminator mangling.

gcc/cp:

	PR c++/77489
	* mangle.c (write_discriminator): Handle discriminator >= 10.

From-SVN: r244566
2017-01-18 08:40:05 +00:00
Jakub Jelinek
2afd3180c5 Update copyright years.
From-SVN: r244052
2017-01-04 12:30:51 +01:00
Alan Modra
8f56cb5163 Update configure deps, remove stray \xA0 in picflag.m4, regenerate
Also fix a stray changelog entry.  Some of the regen here is due to
previous changes not being regenerated properly, in part due to the
missing configure dependencies.

	* configure: Regenerate.
config/
	* picflag.m4: Remove stray \xA0 in comment.
gcc/
	* Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
	* configure: Regenerate.
	* config.in: Regenerate.
libada/
	* Makefile.in (configure_deps): Update and order as per
	configure.ac sinclude.
	* configure: Regenerate.
libgcc/
	* Makefile.in (configure_deps): Update.
	* configure: Regenerate.
libiberty/
	* Makefile.in (configure_deps): Update.
	* configure: Regenerate.
libitm/
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

From-SVN: r244049
2017-01-04 18:59:34 +10:30
Jakub Jelinek
816f431440 re PR c++/78761 (C++14, compiler generate mangled name that can not be demangled)
PR c++/78761
	* cp-demangle.c (cplus_demangle_type): Demangle Dc as decltype(auto).
	* testsuite/demangle-expected: Add test for decltype(auto).

From-SVN: r243593
2016-12-13 07:16:05 +01:00
Nathan Sidwell
8e09a726e6 re PR other/78252 (C++ demangler crashes with infinite recursion with lambda (auto))
libiberty/
	PR c++/78252
	* cp-demangle.c (struct d_print_info): Add is_lambda_arg field.
	(d_print_init): Initialize it.
	(d_print_comp_inner) <DEMANGLE_COMPONENT_TEMPLATE_PARAM>: Check
	is_lambda_arg for auto.
	<DEMANGLE_COMPONENT_REFERENCE,
	DEMANGLE_COMPONENT_RVALUE_REFERENCE>: Skip smashing check when
	is_lambda_arg.
	<DEMANGLE_COMPONENT_LAMBDA>: Increment is_lambda_arg around arg
	printing.
	* testsuite/demangle-expected: Add lambda auto mangling cases.

	gcc/testsuite/
	PR c++/78252
	* g++.dg/cpp1y/lambda-mangle-1.C: New.

From-SVN: r243566
2016-12-12 17:00:37 +00:00
DJ Delorie
1d2ccddf2e Oops, fix date
From-SVN: r243281
2016-12-06 01:40:07 -05:00