6c2659886f
gdb: add back declarations for _initialize functions
...
I'd like to enable the -Wmissing-declarations warning. However, it
warns for every _initialize function, for example:
CXX dcache.o
/home/smarchi/src/binutils-gdb/gdb/dcache.c: In function ‘void _initialize_dcache()’:
/home/smarchi/src/binutils-gdb/gdb/dcache.c:688:1: error: no previous declaration for ‘void _initialize_dcache()’ [-Werror=missing-declarations]
_initialize_dcache (void)
^~~~~~~~~~~~~~~~~~
The only practical way forward I found is to add back the declarations,
which were removed by this commit:
commit 481695ed5f
2020-01-13 14:01:38 -05:00
6a053cb1ff
Change section_offsets to a std::vector
...
This changes section_offsets to be specialization of a std::vector and
updates all the users. It also removes the ANOFFSET and
SIZEOF_N_SECTION_OFFSETS macros.
Most of this is just a generic sort of cleanup, that reduces the
number of lines of code. However, a couple spots were doing weird
things.
objfile_relocate did:
- std::vector<struct section_offsets>
- new_debug_offsets (SIZEOF_N_SECTION_OFFSETS (debug_objfile->num_sections));
... which seems to greatly over-estimate the number of elements
needed.
This appeared in set_objfile_default_section_offset:
- std::vector<struct section_offsets> offsets (objf->num_sections,
- { { offset } });
... which makes sense due to type safety, but is also actively
confusing given that section_offsets was previously also a kind of
vector type.
Tested on x86-64 Fedora 30.
gdb/ChangeLog
2020-01-08 Tom Tromey <tromey@adacore.com>
* xcoffread.c (enter_line_range, read_xcoff_symtab)
(process_xcoff_symbol, xcoff_symfile_offsets): Update.
* symtab.h (MSYMBOL_VALUE_ADDRESS): Update.
(struct section_offsets, ANOFFSET, SIZEOF_N_SECTION_OFFSETS):
Remove.
(section_offsets): New typedef.
* symtab.c (fixup_section, get_msymbol_address): Update.
* symmisc.c (dump_msymbols): Update.
* symfile.h (relative_addr_info_to_section_offsets)
(symfile_map_offsets_to_segments): Update.
* symfile.c (build_section_addr_info_from_objfile)
(init_objfile_sect_indices): Update.
(struct place_section_arg): Change type of "offsets".
(place_section): Update.
(relative_addr_info_to_section_offsets): Change type of
"section_offsets". Remove "num_sections" parameter.
(default_symfile_offsets, syms_from_objfile_1)
(set_objfile_default_section_offset): Update.
(reread_symbols): No need to preserve section offsets by hand.
(symfile_map_offsets_to_segments): Change type of "offsets".
* stap-probe.c (relocate_address): Update.
* stabsread.h (process_one_symbol): Update.
* solib-target.c (struct lm_info_target) <offsets>: Change type.
(solib_target_relocate_section_addresses): Update.
* solib-svr4.c (enable_break, svr4_relocate_main_executable):
Update.
* solib-frv.c (frv_relocate_main_executable): Update.
* solib-dsbt.c (dsbt_relocate_main_executable): Update.
* solib-aix.c (solib_aix_get_section_offsets): Change return
type.
(solib_aix_solib_create_inferior_hook): Update.
* remote.c (remote_target::get_offsets): Update.
* psymtab.c (find_pc_sect_psymtab): Update.
* psympriv.h (struct partial_symbol) <address, text_low,
text_high>: Update.
* objfiles.h (obj_section_offset): Update.
(struct objfile) <section_offsets>: Change type.
<num_sections>: Remove.
(objfile_relocate): Update.
* objfiles.c (entry_point_address_query): Update
(relocate_one_symbol): Change type of "section_offsets".
(objfile_relocate1, objfile_relocate1): Change type of
"new_offsets".
(objfile_rebase1): Update.
* mipsread.c (mipscoff_symfile_read): Update.
(read_alphacoff_dynamic_symtab): Remove "section_offsets"
parameter.
* mdebugread.c (parse_symbol): Change type of "section_offsets".
(parse_external, psymtab_to_symtab_1): Update.
* machoread.c (macho_symfile_offsets): Update.
* ia64-tdep.c (ia64_find_unwind_table): Update.
* hppa-tdep.c (read_unwind_info): Update.
* hppa-bsd-tdep.c (hppabsd_find_global_pointer): Update.
* dwarf2read.c (create_addrmap_from_index)
(create_addrmap_from_aranges, dw2_find_pc_sect_compunit_symtab)
(process_psymtab_comp_unit_reader, add_partial_symbol)
(add_partial_subprogram, process_full_comp_unit)
(read_file_scope, read_func_scope, read_lexical_block_scope)
(read_call_site_scope, dwarf2_rnglists_process)
(dwarf2_ranges_process, dwarf2_ranges_read)
(dwarf_decode_lines_1, var_decode_location, new_symbol)
(dwarf2_fetch_die_loc_sect_off, dwarf2_per_cu_text_offset):
Update.
* dwarf2-frame.c (execute_cfa_program, dwarf2_frame_find_fde):
Update.
* dtrace-probe.c (dtrace_probe::get_relocated_address): Update.
* dbxread.c (read_dbx_symtab, read_ofile_symtab): Update.
(process_one_symbol): Change type of "section_offsets".
* ctfread.c (get_objfile_text_range): Update.
* coffread.c (coff_symtab_read, enter_linenos)
(process_coff_symbol): Update.
* coff-pe-read.c (add_pe_forwarded_sym): Update.
* amd64-windows-tdep.c (amd64_windows_find_unwind_info): Update.
Change-Id: I147eb967e9b44d82f4048039de7bb44b80cd72fb
2020-01-08 15:32:41 -07:00
b811d2c292
Update copyright year range in all GDB files.
...
gdb/ChangeLog:
Update copyright year range in all GDB files.
2020-01-01 10:20:53 +04:00
4d4eaa3005
Make symbol_set_names a member function
...
This also renames it to make it clearer that this is not a cheap
function (to compute_and_set_names). Also renames name to m_name
to make the implementation of the renamed function more readable.
Most of the places that access sym->m_name directly were also changed
to call linkage_name () instead, to make it clearer which name they
are accessing.
gdb/ChangeLog:
2019-12-26 Christian Biesinger <cbiesinger@google.com>
* ada-lang.c (ada_decode_symbol): Update.
* buildsym.c (add_symbol_to_list): Update.
* coffread.c (process_coff_symbol): Update.
* ctfread.c (ctf_add_enum_member_cb): Update.
(new_symbol): Update.
(ctf_add_var_cb): Update.
* dwarf2read.c (fixup_go_packaging): Update.
(dwarf2_compute_name): Update.
(new_symbol): Update.
* jit.c (finalize_symtab): Update.
* language.c (language_alloc_type_symbol): Update.
* mdebugread.c (new_symbol): Update.
* minsyms.c (minimal_symbol_reader::record_full): Update.
(minimal_symbol_reader::install): Update.
* psymtab.c (print_partial_symbols): Update.
(psymbol_hash): Update.
(psymbol_compare): Update.
(add_psymbol_to_bcache): Update.
(maintenance_check_psymtabs): Update.
* stabsread.c (define_symbol): Update.
* symtab.c (symbol_set_names): Rename to...
(general_symbol_info::compute_and_set_names): ...this.
(general_symbol_info::natural_name): Update.
(general_symbol_info::search_name): Update.
(fixup_section): Update.
* symtab.h (struct general_symbol_info) <name>: Rename to...
<m_name>: ...this.
<compute_and_set_names>: Rename from...
(symbol_set_names): ...this.
(SYMBOL_SET_NAMES): Remove.
(struct symbol) <ctor>: Update.
Change-Id: I8da1f10cab4e0b89f19d5750fa4e6e2ac8d2b24f
2019-12-27 01:41:35 -03:00
1c7148dd0d
Address Tom Tromey's comments on the CTF reader.
...
* Use the type-safe registry for ctf_file_key;
* Drop "typedef" when defining "struct ctf_context";
* Use ANOFFSET with SECT_OFF_TEXT to get the text base address;
gdb/ChangeLog
2019-12-20 Weimin Pan <weimin.pan@oracle.com>
* ctfread.c (ctf_file_key): Change type to objfile_key.
(struct ctf_context): Remove typedef.
(get_objfile_text_range): Use ANOFFSET to get text base.
2019-12-20 22:30:17 +00:00
d3ecddab5f
Use a member function to set a symbol's language
...
This removes symbol_set_language and SYMBOL_SET_LANGUAGE in favor of
a new function general_symbol_info::set_language. symbol and minimal_symbol
already inherit from that struct so this works naturally.
gdb/ChangeLog:
2019-12-15 Christian Biesinger <cbiesinger@google.com>
* ada-exp.y (write_ambiguous_var): Update.
* coffread.c (process_coff_symbol): Update.
* ctfread.c (ctf_add_enum_member_cb): Update.
(new_symbol): Update.
* dwarf2read.c (fixup_go_packaging): Update.
(new_symbol): Update.
* language.c (language_alloc_type_symbol): Update.
* mdebugread.c (new_symbol): Update.
* minsyms.c (minimal_symbol_reader::record_full): Update.
* psymtab.c (add_psymbol_to_bcache): Update.
* stabsread.c (define_symbol): Update.
(read_enum_type): Update.
* symtab.c (symbol_set_language): Make this a member function...
(general_symbol_info::set_language): ... here.
* symtab.h (struct general_symbol_info) <set_language>: New function.
(SYMBOL_SET_LANGUAGE): Remove.
(symbol_set_language): Remove.
Change-Id: Ideafb6c384004b9adef793a1192735c501da41d5
2019-12-16 00:44:58 -06:00
987012b89b
Replace SYMBOL_*_NAME accessors with member functions
...
Similar to the MSYMBOL version of this patch, improves readability
and will eventually allow making name private.
gdb/ChangeLog:
2019-11-22 Christian Biesinger <cbiesinger@google.com>
* ada-exp.y: Update.
* ada-lang.c (sort_choices): Update.
(ada_print_symbol_signature): Update.
(resolve_subexp): Update.
(ada_parse_renaming): Update.
(ada_read_renaming_var_value): Update.
(lesseq_defined_than): Update.
(remove_extra_symbols): Update.
(remove_irrelevant_renamings): Update.
(ada_add_block_symbols): Update.
(ada_collect_symbol_completion_matches): Update.
(ada_is_renaming_symbol): Update.
(aggregate_assign_from_choices): Update.
(ada_evaluate_subexp): Update.
(ada_has_this_exception_support): Update.
(ada_is_non_standard_exception_sym): Update.
(ada_add_exceptions_from_frame): Update.
(ada_add_global_exceptions): Update.
(ada_print_subexp): Update.
* ax-gdb.c (gen_var_ref): Update.
(gen_maybe_namespace_elt): Update.
(gen_expr_for_cast): Update.
(gen_expr): Update.
* block.h: Update.
* blockframe.c (find_pc_partial_function): Update.
* breakpoint.c (print_breakpoint_location): Update.
(update_static_tracepoint): Update.
* btrace.c (ftrace_print_function_name): Update.
(ftrace_function_switched): Update.
* buildsym.c (find_symbol_in_list): Update.
* c-exp.y: Update.
* c-typeprint.c (c_print_typedef): Update.
(c_type_print_template_args): Update.
* cli/cli-cmds.c (edit_command): Update.
(list_command): Update.
(print_sal_location): Update.
* coffread.c (patch_opaque_types): Update.
(process_coff_symbol): Update.
(coff_read_enum_type): Update.
* compile/compile-c-symbols.c (c_symbol_substitution_name): Update.
(convert_one_symbol): Update.
(hash_symname): Update.
(eq_symname): Update.
* compile/compile-cplus-symbols.c (convert_one_symbol): Update.
* compile/compile-cplus-types.c (debug_print_scope): Update.
* compile/compile-loc2c.c (do_compile_dwarf_expr_to_c): Update.
* compile/compile-object-load.c (get_out_value_type): Update.
* cp-namespace.c (cp_scan_for_anonymous_namespaces): Update.
(search_symbol_list): Update.
(cp_lookup_symbol_imports_or_template): Update.
* cp-support.c (overload_list_add_symbol): Update.
* ctfread.c (psymtab_to_symtab): Update.
* dbxread.c (cp_set_block_scope): Update.
* dictionary.c (iter_match_first_hashed): Update.
(iter_match_next_hashed): Update.
(insert_symbol_hashed): Update.
(iter_match_next_linear): Update.
* dictionary.h: Update.
* dwarf2loc.c (func_get_frame_base_dwarf_block): Update.
(locexpr_describe_location_piece): Update.
(locexpr_describe_location_1): Update.
(locexpr_generate_c_location): Update.
(loclist_describe_location): Update.
(loclist_generate_c_location): Update.
* dwarf2read.c (dw2_debug_names_lookup_symbol): Update.
(read_func_scope): Update.
(process_enumeration_scope): Update.
(new_symbol): Update.
(dwarf2_const_value): Update.
(dwarf2_symbol_mark_computed): Update.
* eval.c (evaluate_funcall): Update.
(evaluate_subexp_standard): Update.
* expprint.c (print_subexp_standard): Update.
(dump_subexp_body_standard): Update.
* f-valprint.c (info_common_command_for_block): Update.
* findvar.c (get_hosting_frame): Update.
(default_read_var_value): Update.
* go-lang.c (go_symbol_package_name): Update.
* guile/scm-block.c (bkscm_print_block_smob): Update.
* guile/scm-symbol.c (syscm_print_symbol_smob): Update.
(gdbscm_symbol_name): Update.
(gdbscm_symbol_linkage_name): Update.
(gdbscm_symbol_print_name): Update.
* infcall.c (get_function_name): Update.
* infcmd.c (jump_command): Update.
(finish_command): Update.
* infrun.c (insert_exception_resume_breakpoint): Update.
* linespec.c (canonicalize_linespec): Update.
(create_sals_line_offset): Update.
(convert_linespec_to_sals): Update.
(complete_label): Update.
(find_label_symbols_in_block): Update.
* m2-typeprint.c (m2_print_typedef): Update.
* mdebugread.c (mdebug_reg_to_regnum): Update.
(parse_symbol): Update.
(mylookup_symbol): Update.
* mi/mi-cmd-stack.c (list_arg_or_local): Update.
(list_args_or_locals): Update.
* objc-lang.c (compare_selectors): Update.
(info_selectors_command): Update.
(compare_classes): Update.
(info_classes_command): Update.
(find_imps): Update.
* p-typeprint.c (pascal_print_typedef): Update.
* printcmd.c (build_address_symbolic): Update.
(info_address_command): Update.
(print_variable_and_value): Update.
* python/py-framefilter.c (extract_sym): Update.
(py_print_single_arg): Update.
* python/py-symbol.c (sympy_str): Update.
(sympy_get_name): Update.
(sympy_get_linkage_name): Update.
* python/python.c (gdbpy_rbreak): Update.
* record-btrace.c (btrace_get_bfun_name): Update.
(btrace_call_history): Update.
* rust-lang.c (rust_print_typedef): Update.
* solib-frv.c (frv_fdpic_find_canonical_descriptor): Update.
* stabsread.c (stab_reg_to_regnum): Update.
(define_symbol): Update.
(read_enum_type): Update.
(common_block_end): Update.
(cleanup_undefined_types_1): Update.
(scan_file_globals): Update.
* stack.c (print_frame_arg): Update.
(print_frame_args): Update.
(find_frame_funname): Update.
(info_frame_command_core): Update.
(iterate_over_block_locals): Update.
(print_block_frame_labels): Update.
(do_print_variable_and_value): Update.
(iterate_over_block_arg_vars): Update.
(return_command): Update.
* symmisc.c (dump_symtab_1): Update.
(print_symbol): Update.
* symtab.c (eq_symbol_entry): Update.
(symbol_cache_dump): Update.
(lookup_language_this): Update.
(find_pc_sect_line): Update.
(skip_prologue_sal): Update.
(symbol_search::compare_search_syms): Update.
(treg_matches_sym_type_name): Update.
(search_symbols): Update.
(print_symbol_info): Update.
(rbreak_command): Update.
(completion_list_add_symbol): Update.
(find_gnu_ifunc): Update.
(get_symbol_address): Update.
(search_module_symbols): Update.
(info_module_subcommand): Update.
* symtab.h (SYMBOL_NATURAL_NAME): Remove.
(SYMBOL_LINKAGE_NAME): Remove.
(SYMBOL_DEMANGLED_NAME): Remove.
(SYMBOL_PRINT_NAME): Remove.
(SYMBOL_SEARCH_NAME): Remove.
* tracepoint.c (set_traceframe_context): Update.
(validate_actionline): Update.
(collection_list::collect_symbol): Update.
(encode_actions_1): Update.
(info_scope_command): Update.
(print_one_static_tracepoint_marker): Update.
* typeprint.c (typedef_hash_table::add_template_parameters): Update.
* valops.c (address_of_variable): Update.
(find_overload_match): Update.
(find_oload_champ): Update.
Change-Id: I76bdc8b44eea6876bf03af9d351f8e90cc0154b2
2019-11-22 12:05:14 -06:00
31edb80295
Change some arguments to gdb::string_view instead of name+len
...
Just some code cleanup. This change has a few benefits:
- Shorter argument list in the functions
- If the caller needs to calculate the string, they no longer
need to explicitly call strlen
- It is easy to pass std::string to this (done in one place
currently)
This also updates a couple of places that were passing 0/1 to
a bool parameter.
gdb/ChangeLog:
2019-10-29 Christian Biesinger <cbiesinger@google.com>
* coffread.c (record_minimal_symbol): Update.
(process_coff_symbol): Update.
* dbxread.c (read_dbx_symtab): Update.
* dwarf2read.c (add_partial_symbol): Update.
(fixup_go_packaging): Update.
(load_partial_dies): Update.
(new_symbol): Update.
* elfread.c (record_minimal_symbol): Change signature to use
gdb::string_view instead of name+len.
(elf_symtab_read): Update.
(elf_rel_plt_read): Update.
* mdebugread.c (parse_partial_symbols): Update.
(handle_psymbol_enumerators): Update.
(new_symbol): Update.
* minsyms.c (minimal_symbol_reader::record_full): Change signature
to use gdb::string_view instead of name+len.
* minsyms.h (class minimal_symbol_reader) <record_full>: Likewise.
* psympriv.h (add_psymbol_to_list): Likewise.
* psymtab.c (add_psymbol_to_bcache): Likewise.
(add_psymbol_to_list): Likewise.
* stabsread.c (define_symbol): Update.
* symtab.c (symbol_set_names): Change signature to use gdb::string_view.
* symtab.h (SYMBOL_SET_NAMES): Likewise.
(symbol_set_names): Likewise.
* xcoffread.c (scan_xcoff_symtab): Update.
Change-Id: I2675c6865e0368f9c755a1081088a53aa54dda4c
2019-10-29 14:19:59 -05:00
b2caee6aaa
gdb: Rename structures within ctfread.c
...
Commit:
commit 30d1f01849
2019-10-07 13:03:52 +01:00
30d1f01849
gdb: CTF support
...
This patch adds the CTF (Compact Ansi-C Type Format) support in gdb.
Two submissions on which this gdb work depends were posted earlier
in May:
* On the binutils mailing list - adding libctf which creates, updates,
reads, and manipulates the CTF data.
* On the gcc mailing list - expanding gcc to directly emit the CFT data
with a new command line option -gt.
CTF is a reduced form of debugging information whose main purpose is to
describe the type of C entities such as structures, unions, typedefs and
function arguments at the global scope only. It does not contain debug
information about source lines, location expressions, or local variables.
For more information on CTF, see the documentation in the libdtrace-ctf
source tree, available here:
<https://raw.githubusercontent.com/oracle/libdtrace-ctf/master/doc/ctf-format >.
This patch expands struct elfinfo by adding the .ctf section, which
contains CTF debugging info, and modifies elf_symfile_read() to read it.
If both DWARF and CTF exist in a program, only DWARF will be read. CTF data
will be read only when there is no DWARF. The two-stage symbolic reading
and setting strategy, partial and full, was used.
File ctfread.c contains functions to transform CTF data into gdb's internal
symbol table structures by iterately reading entries from CTF sections
of "data objects", "function info", "variable info", and "data types"
when setting up either partial or full symbol table. If the ELF symbol table
is available, e.g. not stripped, the CTF reader will associate the found
type information with these symbol entries. Due to the proximity between DWARF
and CTF (CTF being a much simplified subset of DWARF), some DWARF implementation
was reused to support CTF.
Test cases ctf-constvars.exp, ctf-cvexpr.exp, ctf-ptype.exp, and ctf-whatis.exp
have been added to verify the correctness of this support.
This patch has missing features and limitations which we will add and
address in the future patches.
gdb/ChangeLog
+2019-10-07 Weimin Pan <weimin.pan@oracle.com>
+
+ * gdb/ctfread.c: New file.
+ * gdb/ctfread.h: New file.
+ * gdb/elfread.c: Include ctfread.h.
+ (struct elfinfo text_p): New member ctfsect.
+ (elf_locate_sections): Mark CTF section.
+ (elf_symfile_read): Call elfctf_build_psymtabs.
+ * gdb/Makefile.in (LIBCTF): Add.
+ (CLIBS): Use it.
+ (CDEPS): Likewise.
+ (DIST): Add ctfread.c.
+ * Makefile.def (dependencies): Add all-libctf to all-gdb
+ * Makefile.in: Add "all-gdb: maybe-all-libctf"
+
gdb/testsuite/ChangeLog
+2019-10-07 Weimin Pan <weimin.pan@oracle.com>
+
+ * gdb.base/ctf-whatis.exp: New file.
+ * gdb.base/ctf-whatis.c: New file.
+ * gdb.base/ctf-ptype.exp: New file.
+ * gdb.base/ctf-ptype.c: New file.
+ * gdb.base/ctf-constvars.exp: New file.
+ * gdb.base/ctf-constvars.c: New file.
+ * gdb.base/ctf-cvexpr.exp: New file.
+
2019-10-07 02:26:27 +00:00
Simon Marchi
Tom Tromey
Joel Brobecker
Christian Biesinger
Weimin Pan
Andrew Burgess