PR gdb/13969
* linux-low.c (linux_pid_exe_is_elf_64_file): Also return the
e_machine field.
(linux_qxfer_libraries_svr4): Update call to elf_64_file_p.
* linux-low.h (linux_pid_exe_is_elf_64_file): Updated.
* linux-x86-low.c (x86_arch_setup): Check if GDBserver is
compatible with process.
local type_sig to sig_type, type_offset to type_offset_in_tu.
(hash_signatured_type): Renamed from hash_type_signature,
all callers updated.
(eq_signatured_type): Renamed from eq_type_signature,
all callers updated.
(create_debug_types_hash_table): Rename local type_sig to sig_type.
(process_enumeration_scope): Ditto.
(lookup_signatured_type_at_offset): Ditto.
(load_full_type_unit, read_signatured_type): Ditto.
Provide more specific displaced-stepping memory error message.
* infrun.c (displaced_step_prepare): New variable status. Call
target_read_memory instead of read_memory, provide more specific
error message.
New command 'explore' which helps explore values and types in
scope.
* NEWS: Add an entry about the new 'explore' command.
* data-directory/Makefile.in: Add gdb/command/explore.py
* python/lib/gdb/command/explore.py: Implemention of the 'explore'
command using the GDB Python API.
* doc/gdb.texinfo (Examining Data): Document the 'explore'
command.
* testsuite/gdb.python/Makefile.in: Add py-explore to EXECUTABLES.
* testsuite/gdb.python/py-explore.c: C program used for testing
the new 'explore' command on C constructs.
* testsuite/gdb.python/py-explore.cc: C++ program used for testing
the new 'explore' command on C++ constructs.
* testsuite/gdb-python/py-explore.exp: Tests for the new 'explore'
command on C constructs.
* testsuite/gdb-python/py-explore-cc.exp: Tests for the new
'explore' command on C++ constructs.
(load_partial_dies): Clarify comment.
(find_partial_die): Support rereading type units.
Clarify CU handling, if we know offset is in CU, don't search for the
containing CU. Add comment regarding memory waste.
fencepost error.
(v850_frame_cache): Use gdbarch_num_regs() instead of E_NUM_REGS.
(v850_gdbarch_init): Set `num_regs' as appropriate for the
architecture.
* linespec.c (decode_compound): Remove.
(enum offset_relative_sign): New enum.
(struct line_offset): New struct.
(struct linespec): New struct.
(struct linespec_state): Move file_symtabs,
user_filename, and user_function into struct linespec.
Make result an anonymous struct holding vectors of
symbolp and minsym_and_objfile_d.
Add language member.
(enum ls_token_type): New enum.
(linespec_keywords): New array.
(struct ls_token): New struct.
(struct ls_parser): New struct.
(linespec_lexer_lex_number): New function.
(linespec_lexer_lex_keyword): New function.
(is_ada_operator): New function.
(skip_quote_char): New function.
(copy_token_string): New function.
(is_closing_quote_enclosed): New function.
(find_parameter_list_end): New function.
(linespec_lexer_lex_string): New function.
(linespec_lexer_lex_one): New function.
(linespec_lexer_consume_token): New function.
(linespec_lexer_peek_token): New function.
(cplusplus_error): Remove unused function.
(find_methods): Update comment.
(find_toplevel_char): Return const.
(is_objc_method_format): Remove unused function.
(find_toplevel_string): New function.
(is_linespec_boundary): Remove.
(symbol_not_found_error): New function.
(find_method_overload_end): Remove function.
(unexpected_linespec_error): New function.
(keep_name_info): Remove.
(linespec_parse_line_offset): New function.
(linespec_parse_basic): New function.
(canonicalize_linespec): New function.
(decode_line_internal): Remove.
(create_sals_line_offset): New function adapted from
decode_all_digits.
(convert_linespec_to_sals): New function.
(parse_linespec): New function.
(linespec_parser_new): New function.
(linespec_state_destructor): Change parameter type to
struct linespec_state *.
Add language parameter.
Remove freeing of moved members.
(linespec_parser_delete): New function.
(decode_line_full): Use parse_linespec and linespec_parser_new.
(decode_line_1): Likewise.
(decode_indirect): Rename to ...
(linespec_expression_to_pc): ... this and rewrite
to simply find CORE_ADDR, storing this result for later
conversion to SALs.
(locate_first_half): Remove.
(deocde_objc): Add parameter LS.
Initialize new struct collect_info members.
Handle minimal symbols, too.
(decode_compound): Delete.
(lookup_prefix_sym): Rewrite.
(compare_msymbols): New function.
(find_method): Rewrite.
Do not call cplusplus_error.
(symtabs_from_filename): Rewrite.
(collect_function_symbols): Delete.
(find_function_symbols): Rewrite without ARGPTR-style
processing.
(decode_all_digits): Delete. (Rewritten as create_sals_line_offset.)
(decode_dollar): Adapted and renamed to ...
(linespec_parse_variable): ... this.
(find_linespec_symbols): New function.
(decode_label): Adapted and renamed to ...
(find_label_symbols): ... this.
(decode_digits_list_mode): Add and use LS argument.
(decode_digits_ordinary): Likewise.
(collect_symbols): Do not collect SALs, just symbols and msymbols.
If in list mode, allow any symbol class. Otherwise, only
permit LOC_BLOCK symbols.
(minsym_found): Update comments.
(search_minsyms_for_name): Do not convert the matching symbol
into a SAL. Simply push the symbol and objfile into the
result vector.
(decode_variable): Delete. Contents adapted into
find_linespec_symbols.
* cp-support.c (SKIP_SPACE): Remove.
(operator_tokens): Remove unused global.
(cp_validate_operator): Remove.
* cp-support.h (cp_validate_operator): Remove declaration.
* gdb.base/advance.exp: Update error message for
"advance malformed" test.
* gdb.base/break.exp: Likewise for "breakpoint with
trailing garbage" test.
* gdb.base/hbreak2.exp: Likewise for "hardware breakpoint
with trailing garbage" test.
* gdb.base/jump.exp: Likewise for "jump with trailing
argument junk" test.
* gdb.base/sepdebug.exp: Likewise for "breakpoint with
trailng garbage" test.
* gdb.base/until.exp: Likewise for "malformed until" test.
* gdb.cp/ovldbreak.exp: Create the breakpoint table
for "breakpoint info (after setting on all)".
* gdb.cp/userdef.exp: Remove quoting for "break A2::operator+"
tests.
* gdb.cp/cplabel.cc: New file.
* gdb.cp/cplabel.exp: New test.
* gdb.linespec/ls-errs.c: New file.
* gdb.linespec/ls-errs.exp: New test.
