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2019-05-04Fix incorrect use of 'is' operator for comparison in ↵Raul Tambre1-2/+2
python/lib/gdb/command/prompt.py The 'is' operator is not meant to be used for comparisons. It currently working is an implementation detail of CPython. CPython 3.8 has added a SyntaxWarning for this.
2019-04-29gdb: Introduce 'print max-depth' featureAndrew Burgess2-3/+19
Introduce a new print setting max-depth which can be set with 'set print max-depth DEPTH'. The default value of DEPTH is 20, but this can also be set to unlimited. When GDB is printing a value containing nested structures GDB will stop descending at depth DEPTH. Here is a small example: typedef struct s1 { int a; } s1; typedef struct s2 { s1 b; } s2; typedef struct s3 { s2 c; } s3; typedef struct s4 { s3 d; } s4; s4 var = { { { { 3 } } } }; The following table shows how various depth settings affect printing of 'var': | Depth Setting | Result of 'p var' | |---------------+--------------------------------| | Unlimited | $1 = {d = {c = {b = {a = 3}}}} | | 4 | $1 = {d = {c = {b = {a = 3}}}} | | 3 | $1 = {d = {c = {b = {...}}}} | | 2 | $1 = {d = {c = {...}}} | | 1 | $1 = {d = {...}} | | 0 | $1 = {...} | Only structures, unions, and arrays are replaced in this way, scalars and strings are not replaced. The replacement is counted from the level at which you print, not from the top level of the structure. So, consider the above example and this GDB session: (gdb) set print max-depth 2 (gdb) p var $1 = {d = {c = {...}}} (gdb) p var.d $2 = {c = {b = {...}}} (gdb) p var.d.c $3 = {b = {a = 3}} Setting the max-depth to 2 doesn't prevent the user from exploring deeper into 'var' by asking for specific sub-fields to be printed. The motivation behind this feature is to try and give the user more control over how much is printed when examining large, complex data structures. The default max-depth of 20 means that there is a change in GDB's default behaviour. Someone printing a data structure with 20 levels of nesting will now see '{...}' instead of their data, they would need to adjust the max depth, or call print again naming a specific field in order to dig deeper into their data structure. If this is considered a problem then we could increase the default, or even make the default unlimited. This commit relies on the previous commit, which added a new field to the language structure, this new field was a string that contained the pattern that should be used when a structure/union/array is replaced in the output, this allows languages to use a syntax that is more appropriate, mostly this will be selecting the correct types of bracket '(...)' or '{...}', both of which are currently in use. This commit should have no impact on MI output, expressions are printed through the MI using -var-create and then -var-list-children. As each use of -var-list-children only ever displays a single level of an expression then the max-depth setting will have no impact. This commit also adds the max-depth mechanism to the scripting language pretty printers following basically the same rules as for the built in value printing. One quirk is that when printing a value using the display hint 'map', if the keys of the map are structs then GDB will hide the keys one depth level after it hides the values, this ensures that GDB produces output like this: $1 = map_object = {[{key1}] = {...}, [{key2}] = {...}} Instead of this less helpful output: $1 = map_object = {[{...}] = {...}, [{...}] = {...}} This is covered by the new tests in gdb.python/py-nested-maps.exp. gdb/ChangeLog: * cp-valprint.c (cp_print_value_fields): Allow an additional level of depth when printing anonymous structs or unions. * guile/scm-pretty-print.c (gdbscm_apply_val_pretty_printer): Don't print either the top-level value, or the children if the max-depth is exceeded. (ppscm_print_children): When printing the key of a map, allow one extra level of depth. * python/py-prettyprint.c (gdbpy_apply_val_pretty_printer): Don't print either the top-level value, or the children if the max-depth is exceeded. (print_children): When printing the key of a map, allow one extra level of depth. * python/py-value.c (valpy_format_string): Add max_depth keyword. * valprint.c: (PRINT_MAX_DEPTH_DEFAULT): Define. (user_print_options): Initialise max_depth field. (val_print_scalar_or_string_type_p): New function. (val_print): Check to see if the max depth has been reached. (val_print_check_max_depth): Define new function. (show_print_max_depth): New function. (_initialize_valprint): Add 'print max-depth' option. * valprint.h (struct value_print_options) <max_depth>: New field. (val_print_check_max_depth): Declare new function. * NEWS: Document new feature. gdb/doc/ChangeLog: * gdb.texinfo (Print Settings): Document 'print max-depth'. * guile.texi (Guile Pretty Printing API): Document that 'print max-depth' can effect the display of a values children. * python.texi (Pretty Printing API): Likewise. (Values From Inferior): Document max_depth keyword. gdb/testsuite/ChangeLog: * gdb.base/max-depth.c: New file. * gdb.base/max-depth.exp: New file. * gdb.python/py-nested-maps.c: New file. * gdb.python/py-nested-maps.exp: New file. * gdb.python/py-nested-maps.py: New file. * gdb.python/py-format-string.exp (test_max_depth): New proc. (test_all_common): Call test_max_depth. * gdb.fortran/max-depth.exp: New file. * gdb.fortran/max-depth.f90: New file. * gdb.go/max-depth.exp: New file. * gdb.go/max-depth.go: New file. * gdb.modula2/max-depth.exp: New file. * gdb.modula2/max-depth.c: New file. * lib/gdb.exp (get_print_expr_at_depths): New proc.
2019-04-25Make exception handling more efficientTom Tromey5-14/+14
This makes exception handling more efficient in a few spots, through the use of const- and rvalue-references. I wrote this patch by commenting out the gdb_exception copy constructor and then examining the resulting error messages one by one, introducing the use of std::move where appropriate. gdb/ChangeLog 2019-04-25 Tom Tromey <tromey@adacore.com> * xml-support.c (struct gdb_xml_parser) <set_error>: Take an rvalue reference. (gdb_xml_start_element_wrapper, gdb_xml_end_element_wrapper) (gdb_xml_parser::parse): Use std::move. * python/python-internal.h (gdbpy_convert_exception): Take a const reference. * python/py-value.c (valpy_getitem, valpy_nonzero): Use std::move. * python/py-utils.c (gdbpy_convert_exception): Take a const reference. * python/py-inferior.c (infpy_write_memory, infpy_search_memory): Use std::move. * python/py-breakpoint.c (bppy_set_condition, bppy_set_commands): Use std::move. * mi/mi-main.c (mi_print_exception): Take a const reference. * main.c (handle_command_errors): Take a const reference. * linespec.c (parse_linespec): Use std::move. * infcall.c (run_inferior_call): Use std::move. (call_function_by_hand_dummy): Use std::move. * exec.c (try_open_exec_file): Use std::move. * exceptions.h (exception_print, exception_fprintf) (exception_print_same): Update. * exceptions.c (print_exception, exception_print) (exception_fprintf, exception_print_same): Change parameters to const reference. * event-top.c (gdb_rl_callback_read_char_wrapper): Update. * common/new-op.c: Use std::move. * common/common-exceptions.h (struct gdb_exception): Add move constructor. (struct gdb_exception_error, struct gdb_exception_quit, struct gdb_quit_bad_alloc): Change constructor to move constructor. (throw_exception): Change parameter to rvalue reference. * common/common-exceptions.c (throw_exception): Take rvalue reference. * cli/cli-interp.c (safe_execute_command): Use std::move. * breakpoint.c (insert_bp_location, location_to_sals): Use std::move.
2019-04-25Remove exception_noneTom Tromey3-6/+6
Now that gdb_exception has a constructor, there's no need for exception_none. This patch removes it. gdb/ChangeLog 2019-04-25 Tom Tromey <tromey@adacore.com> * xml-support.c (gdb_xml_parser::gdb_xml_parser): Update. * python/py-value.c (valpy_getitem, valpy_nonzero): Update. * python/py-inferior.c (infpy_write_memory, infpy_search_memory): Update. * python/py-breakpoint.c (bppy_set_condition, bppy_set_commands): Update. * mi/mi-interp.c (mi_interp::exec): Update. * linespec.c (parse_linespec): Update. * infcall.c (run_inferior_call): Update. * guile/scm-value.c (gdbscm_value_to_lazy_string): Update. * guile/scm-symbol.c (gdbscm_lookup_symbol) (gdbscm_lookup_global_symbol): Update. * guile/scm-param.c (gdbscm_parameter_value): Update. * guile/scm-frame.c (gdbscm_frame_read_register) (gdbscm_frame_read_var): Update. * guile/scm-breakpoint.c (gdbscm_register_breakpoint_x): Update. * exec.c (try_open_exec_file): Update. * event-top.c (gdb_rl_callback_read_char_wrapper_noexcept) (gdb_rl_callback_handler): Update. * common/common-exceptions.h (exception_none): Don't declare. * common/common-exceptions.c (exception_none): Don't define. (struct catcher) <exception>: Update. * cli/cli-interp.c (safe_execute_command): Update. * breakpoint.c (insert_bp_location, location_to_sals): Update.
2019-04-08Rename python function thread_from_thread_handle to thread_from_handleKevin Buettner1-3/+9
This renaming was done to stay consistent with the naming of the new gdb.InferiorThread.handle method. I had initially named it "thread_handle" but Tom Tromey suggested just "handle". The old name (thread_from_thread_handle) still works, but is marked as deprecated in comments in the code as well as in the documentation. I have some code which uses these functions. I very much like the brevity of the new names. gdb/doc/ChangeLog: * python.texi (Inferiors In Python): Rename Inferior.thread_from_thread_handle to Inferior.thread_from_handle. Add note about the former being deprecated. gdb/ChangeLog: * python/py-inferior.c (infpy_thread_from_thread_handle): Adjust comments to reflect renaming of thread_from_thread_handle to thread_from_handle. Adjust keywords. Fix type error message. (inferior_object_methods): Add thread_from_handle. Retain thread_from_thread_handle, but mark it as deprecated. testsuite/ChangeLog: * gdb.python/py-thrhandle.exp: Adjust tests to call thread_from_handle instead of thread_from_thread_handle.
2019-04-08Support buffer objects as handles in Inferior.thread_from_thread_handle()Kevin Buettner1-3/+22
InferiorThread.handle() returns a python bytes object. We'd like to be able to pass the output of this function, a thread handle, to Inferior.thread_from_thread_handle(). Up to now, thread_from_thread_handle() expects to receive a gdb.Value input. This commit adds support to also allow a python buffer object to be passed as the handle. infpy_thread_from_thread_handle() calls find_thread_by_handle() which has the obvious functionality. It used to pass the thread handle via a struct value pointer. I've revised this interface to instead pass a gdb::array_view<const gdb_byte> object. (Thanks to Tom Tromey for suggesting this data structure over an earlier version which passed a gdb_byte pointer and length.) gdb/ChangeLog: * gdbthread.h (find_thread_by_handle): Revise declaration. * thread.c (find_thread_by_handle): Likewise. Adjust implementation too. * python/py-inferior.c (infpy_thread_from_thread_handle): Add support for buffer objects as handles.
2019-04-08Add python method InferiorThread.handleKevin Buettner1-0/+33
gdb/ChangeLog: * python/py-infthread.c (thpy_thread_handle): New function. (thread_object_methods): Register thpy_thread_handle.
2019-04-08Rename gdb exception typesTom Tromey23-124/+124
This renames the gdb exception types. The old types were only needed due to the macros in common-exception.h that are now gone. The intermediate layer of gdb_exception_RETURN_MASK_ALL did not seem needed, so this patch removes it entirely. gdb/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * common/common-exceptions.h (gdb_exception_RETURN_MASK_ALL): Remove. (gdb_exception_error): Rename from gdb_exception_RETURN_MASK_ERROR. (gdb_exception_quit): Rename from gdb_exception_RETURN_MASK_QUIT. (gdb_quit_bad_alloc): Update. * aarch64-tdep.c: Update. * ada-lang.c: Update. * ada-typeprint.c: Update. * ada-valprint.c: Update. * amd64-tdep.c: Update. * arch-utils.c: Update. * break-catch-throw.c: Update. * breakpoint.c: Update. * btrace.c: Update. * c-varobj.c: Update. * cli/cli-cmds.c: Update. * cli/cli-interp.c: Update. * cli/cli-script.c: Update. * common/common-exceptions.c: Update. * common/new-op.c: Update. * common/selftest.c: Update. * compile/compile-c-symbols.c: Update. * compile/compile-cplus-symbols.c: Update. * compile/compile-object-load.c: Update. * compile/compile-object-run.c: Update. * completer.c: Update. * corelow.c: Update. * cp-abi.c: Update. * cp-support.c: Update. * cp-valprint.c: Update. * darwin-nat.c: Update. * disasm-selftests.c: Update. * dtrace-probe.c: Update. * dwarf-index-cache.c: Update. * dwarf-index-write.c: Update. * dwarf2-frame-tailcall.c: Update. * dwarf2-frame.c: Update. * dwarf2loc.c: Update. * dwarf2read.c: Update. * eval.c: Update. * event-loop.c: Update. * event-top.c: Update. * exec.c: Update. * f-valprint.c: Update. * fbsd-tdep.c: Update. * frame-unwind.c: Update. * frame.c: Update. * gdbtypes.c: Update. * gnu-v3-abi.c: Update. * guile/guile-internal.h: Update. * guile/scm-block.c: Update. * guile/scm-breakpoint.c: Update. * guile/scm-cmd.c: Update. * guile/scm-disasm.c: Update. * guile/scm-frame.c: Update. * guile/scm-lazy-string.c: Update. * guile/scm-math.c: Update. * guile/scm-param.c: Update. * guile/scm-ports.c: Update. * guile/scm-pretty-print.c: Update. * guile/scm-symbol.c: Update. * guile/scm-symtab.c: Update. * guile/scm-type.c: Update. * guile/scm-value.c: Update. * i386-linux-tdep.c: Update. * i386-tdep.c: Update. * inf-loop.c: Update. * infcall.c: Update. * infcmd.c: Update. * infrun.c: Update. * jit.c: Update. * language.c: Update. * linespec.c: Update. * linux-fork.c: Update. * linux-nat.c: Update. * linux-tdep.c: Update. * linux-thread-db.c: Update. * main.c: Update. * mi/mi-cmd-break.c: Update. * mi/mi-cmd-stack.c: Update. * mi/mi-interp.c: Update. * mi/mi-main.c: Update. * objc-lang.c: Update. * p-valprint.c: Update. * parse.c: Update. * ppc-linux-tdep.c: Update. * printcmd.c: Update. * python/py-arch.c: Update. * python/py-breakpoint.c: Update. * python/py-cmd.c: Update. * python/py-finishbreakpoint.c: Update. * python/py-frame.c: Update. * python/py-framefilter.c: Update. * python/py-gdb-readline.c: Update. * python/py-inferior.c: Update. * python/py-infthread.c: Update. * python/py-lazy-string.c: Update. * python/py-linetable.c: Update. * python/py-objfile.c: Update. * python/py-param.c: Update. * python/py-prettyprint.c: Update. * python/py-progspace.c: Update. * python/py-record-btrace.c: Update. * python/py-record.c: Update. * python/py-symbol.c: Update. * python/py-type.c: Update. * python/py-unwind.c: Update. * python/py-utils.c: Update. * python/py-value.c: Update. * python/python.c: Update. * record-btrace.c: Update. * record-full.c: Update. * remote-fileio.c: Update. * remote.c: Update. * riscv-tdep.c: Update. * rs6000-aix-tdep.c: Update. * rs6000-tdep.c: Update. * rust-exp.y: Update. * rust-lang.c: Update. * s390-tdep.c: Update. * selftest-arch.c: Update. * solib-dsbt.c: Update. * solib-frv.c: Update. * solib-spu.c: Update. * solib-svr4.c: Update. * solib.c: Update. * sparc64-linux-tdep.c: Update. * stack.c: Update. * symfile-mem.c: Update. * symmisc.c: Update. * target.c: Update. * thread.c: Update. * top.c: Update. * tracefile-tfile.c: Update. * tui/tui.c: Update. * typeprint.c: Update. * unittests/cli-utils-selftests.c: Update. * unittests/parse-connection-spec-selftests.c: Update. * valops.c: Update. * valprint.c: Update. * value.c: Update. * varobj.c: Update. * windows-nat.c: Update. * x86-linux-nat.c: Update. * xml-support.c: Update. gdb/gdbserver/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * gdbreplay.c: Update. * linux-low.c: Update. * server.c: Update.
2019-04-08Rewrite TRY/CATCHTom Tromey23-372/+248
This rewrites gdb's TRY/CATCH to plain C++ try/catch. The patch was largely written by script, though one change (to a comment in common-exceptions.h) was reverted by hand. gdb/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * xml-support.c: Use C++ exception handling. * x86-linux-nat.c: Use C++ exception handling. * windows-nat.c: Use C++ exception handling. * varobj.c: Use C++ exception handling. * value.c: Use C++ exception handling. * valprint.c: Use C++ exception handling. * valops.c: Use C++ exception handling. * unittests/parse-connection-spec-selftests.c: Use C++ exception handling. * unittests/cli-utils-selftests.c: Use C++ exception handling. * typeprint.c: Use C++ exception handling. * tui/tui.c: Use C++ exception handling. * tracefile-tfile.c: Use C++ exception handling. * top.c: Use C++ exception handling. * thread.c: Use C++ exception handling. * target.c: Use C++ exception handling. * symmisc.c: Use C++ exception handling. * symfile-mem.c: Use C++ exception handling. * stack.c: Use C++ exception handling. * sparc64-linux-tdep.c: Use C++ exception handling. * solib.c: Use C++ exception handling. * solib-svr4.c: Use C++ exception handling. * solib-spu.c: Use C++ exception handling. * solib-frv.c: Use C++ exception handling. * solib-dsbt.c: Use C++ exception handling. * selftest-arch.c: Use C++ exception handling. * s390-tdep.c: Use C++ exception handling. * rust-lang.c: Use C++ exception handling. * rust-exp.y: Use C++ exception handling. * rs6000-tdep.c: Use C++ exception handling. * rs6000-aix-tdep.c: Use C++ exception handling. * riscv-tdep.c: Use C++ exception handling. * remote.c: Use C++ exception handling. * remote-fileio.c: Use C++ exception handling. * record-full.c: Use C++ exception handling. * record-btrace.c: Use C++ exception handling. * python/python.c: Use C++ exception handling. * python/py-value.c: Use C++ exception handling. * python/py-utils.c: Use C++ exception handling. * python/py-unwind.c: Use C++ exception handling. * python/py-type.c: Use C++ exception handling. * python/py-symbol.c: Use C++ exception handling. * python/py-record.c: Use C++ exception handling. * python/py-record-btrace.c: Use C++ exception handling. * python/py-progspace.c: Use C++ exception handling. * python/py-prettyprint.c: Use C++ exception handling. * python/py-param.c: Use C++ exception handling. * python/py-objfile.c: Use C++ exception handling. * python/py-linetable.c: Use C++ exception handling. * python/py-lazy-string.c: Use C++ exception handling. * python/py-infthread.c: Use C++ exception handling. * python/py-inferior.c: Use C++ exception handling. * python/py-gdb-readline.c: Use C++ exception handling. * python/py-framefilter.c: Use C++ exception handling. * python/py-frame.c: Use C++ exception handling. * python/py-finishbreakpoint.c: Use C++ exception handling. * python/py-cmd.c: Use C++ exception handling. * python/py-breakpoint.c: Use C++ exception handling. * python/py-arch.c: Use C++ exception handling. * printcmd.c: Use C++ exception handling. * ppc-linux-tdep.c: Use C++ exception handling. * parse.c: Use C++ exception handling. * p-valprint.c: Use C++ exception handling. * objc-lang.c: Use C++ exception handling. * mi/mi-main.c: Use C++ exception handling. * mi/mi-interp.c: Use C++ exception handling. * mi/mi-cmd-stack.c: Use C++ exception handling. * mi/mi-cmd-break.c: Use C++ exception handling. * main.c: Use C++ exception handling. * linux-thread-db.c: Use C++ exception handling. * linux-tdep.c: Use C++ exception handling. * linux-nat.c: Use C++ exception handling. * linux-fork.c: Use C++ exception handling. * linespec.c: Use C++ exception handling. * language.c: Use C++ exception handling. * jit.c: Use C++ exception handling. * infrun.c: Use C++ exception handling. * infcmd.c: Use C++ exception handling. * infcall.c: Use C++ exception handling. * inf-loop.c: Use C++ exception handling. * i386-tdep.c: Use C++ exception handling. * i386-linux-tdep.c: Use C++ exception handling. * guile/scm-value.c: Use C++ exception handling. * guile/scm-type.c: Use C++ exception handling. * guile/scm-symtab.c: Use C++ exception handling. * guile/scm-symbol.c: Use C++ exception handling. * guile/scm-pretty-print.c: Use C++ exception handling. * guile/scm-ports.c: Use C++ exception handling. * guile/scm-param.c: Use C++ exception handling. * guile/scm-math.c: Use C++ exception handling. * guile/scm-lazy-string.c: Use C++ exception handling. * guile/scm-frame.c: Use C++ exception handling. * guile/scm-disasm.c: Use C++ exception handling. * guile/scm-cmd.c: Use C++ exception handling. * guile/scm-breakpoint.c: Use C++ exception handling. * guile/scm-block.c: Use C++ exception handling. * guile/guile-internal.h: Use C++ exception handling. * gnu-v3-abi.c: Use C++ exception handling. * gdbtypes.c: Use C++ exception handling. * frame.c: Use C++ exception handling. * frame-unwind.c: Use C++ exception handling. * fbsd-tdep.c: Use C++ exception handling. * f-valprint.c: Use C++ exception handling. * exec.c: Use C++ exception handling. * event-top.c: Use C++ exception handling. * event-loop.c: Use C++ exception handling. * eval.c: Use C++ exception handling. * dwarf2read.c: Use C++ exception handling. * dwarf2loc.c: Use C++ exception handling. * dwarf2-frame.c: Use C++ exception handling. * dwarf2-frame-tailcall.c: Use C++ exception handling. * dwarf-index-write.c: Use C++ exception handling. * dwarf-index-cache.c: Use C++ exception handling. * dtrace-probe.c: Use C++ exception handling. * disasm-selftests.c: Use C++ exception handling. * darwin-nat.c: Use C++ exception handling. * cp-valprint.c: Use C++ exception handling. * cp-support.c: Use C++ exception handling. * cp-abi.c: Use C++ exception handling. * corelow.c: Use C++ exception handling. * completer.c: Use C++ exception handling. * compile/compile-object-run.c: Use C++ exception handling. * compile/compile-object-load.c: Use C++ exception handling. * compile/compile-cplus-symbols.c: Use C++ exception handling. * compile/compile-c-symbols.c: Use C++ exception handling. * common/selftest.c: Use C++ exception handling. * common/new-op.c: Use C++ exception handling. * cli/cli-script.c: Use C++ exception handling. * cli/cli-interp.c: Use C++ exception handling. * cli/cli-cmds.c: Use C++ exception handling. * c-varobj.c: Use C++ exception handling. * btrace.c: Use C++ exception handling. * breakpoint.c: Use C++ exception handling. * break-catch-throw.c: Use C++ exception handling. * arch-utils.c: Use C++ exception handling. * amd64-tdep.c: Use C++ exception handling. * ada-valprint.c: Use C++ exception handling. * ada-typeprint.c: Use C++ exception handling. * ada-lang.c: Use C++ exception handling. * aarch64-tdep.c: Use C++ exception handling. gdb/gdbserver/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * server.c: Use C++ exception handling. * linux-low.c: Use C++ exception handling. * gdbreplay.c: Use C++ exception handling.
2019-04-08Make exceptions use std::string and be self-managingTom Tromey1-1/+1
This changes the exception's "message" member to be a shared_ptr wrapping a std::string. This allows removing the stack of exception messages, because now exceptions will self-destruct when needed. This also adds a noexcept copy constructor and operator= to gdb_exception, plus a "what" method. gdb/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * xml-support.c (gdb_xml_parser::parse): Update. * x86-linux-nat.c (x86_linux_nat_target::enable_btrace): Update. * value.c (show_convenience): Update. * unittests/cli-utils-selftests.c (test_number_or_range_parser) (test_parse_flags_qcs): Update. * thread.c (thr_try_catch_cmd): Update. * target.c (target_translate_tls_address): Update. * stack.c (print_frame_arg, read_frame_local, read_frame_arg) (info_frame_command_core, frame_apply_command_count): Update. * rust-exp.y (rust_lex_exception_test): Update. * riscv-tdep.c (riscv_print_one_register_info): Update. * remote.c (remote_target::enable_btrace): Update. * record-btrace.c (record_btrace_enable_warn): Update. * python/py-utils.c (gdbpy_convert_exception): Update. * printcmd.c (do_one_display, print_variable_and_value): Update. * mi/mi-main.c (mi_print_exception): Update. * mi/mi-interp.c (mi_cmd_interpreter_exec): Use SCOPE_EXIT. * mi/mi-cmd-stack.c (list_arg_or_local): Update. * linux-nat.c (linux_nat_target::attach): Update. * linux-fork.c (class scoped_switch_fork_info): Update. * infrun.c (displaced_step_prepare): Update. * infcall.c (call_function_by_hand_dummy): Update. * guile/scm-exception.c (gdbscm_scm_from_gdb_exception): Update. * gnu-v3-abi.c (print_one_vtable): Update. * frame.c (get_prev_frame_always): Update. * f-valprint.c (info_common_command_for_block): Update. * exec.c (try_open_exec_file): Update. * exceptions.c (print_exception, exception_print) (exception_fprintf, exception_print_same): Update. * dwarf2-frame.c (dwarf2_build_frame_info): Update. * dwarf-index-cache.c (index_cache::store) (index_cache::lookup_gdb_index): Update. * darwin-nat.c (maybe_cache_shell): Update. * cp-valprint.c (cp_print_value_fields): Update. * compile/compile-cplus-symbols.c (gcc_cplus_convert_symbol) (gcc_cplus_symbol_address): Update. * compile/compile-c-symbols.c (gcc_convert_symbol) (gcc_symbol_address, generate_c_for_for_one_variable): Update. * common/selftest.c: Update. * common/common-exceptions.h (struct gdb_exception) <message>: Now a std::string. (exception_try_scope_entry, exception_try_scope_exit): Don't declare. (struct exception_try_scope): Remove. (TRY): Don't use exception_try_scope. (struct gdb_exception): Add constructor, operator=. <what>: New method. (struct gdb_exception_RETURN_MASK_ALL) (struct gdb_exception_RETURN_MASK_ERROR) (struct gdb_exception_RETURN_MASK_QUIT): Add constructor. (struct gdb_quit_bad_alloc): Update. * common/common-exceptions.c (exception_none): Change initializer. (struct catcher) <state, exception>: Initialize inline. <prev>: Remove member. (current_catcher): Remove. (catchers): New global. (exceptions_state_mc_init): Simplify. (catcher_pop): Remove. (exceptions_state_mc, exceptions_state_mc_catch): Update. (try_scope_depth, exception_try_scope_entry) (exception_try_scope_exit): Remove. (throw_exception_sjlj): Update. (exception_messages, exception_messages_size): Remove. (throw_it): Simplify. (gdb_exception_sliced_copy): Remove. (throw_exception_cxx): Update. * cli/cli-script.c (script_from_file): Update. * breakpoint.c (insert_bp_location, update_breakpoint_locations): Update. * ada-valprint.c (ada_val_print): Update. * ada-lang.c (ada_to_fixed_type_1, ada_exception_name_addr) (create_excep_cond_exprs): Update. gdb/gdbserver/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * server.c (handle_btrace_general_set, handle_qxfer_btrace) (handle_qxfer_btrace_conf, detach_or_kill_for_exit_cleanup) (captured_main, main): Update. * gdbreplay.c (main): Update.
2019-04-01Add gdb.Value.format_string ()Marco Barisione1-0/+164
The str () function, called on a gdb.Value instance, produces a string representation similar to what can be achieved with the print command, but it doesn't allow to specify additional formatting settings, for instance disabling pretty printers. This patch introduces a new format_string () method to gdb.Value which allows specifying more formatting options, thus giving access to more features provided by the internal C function common_val_print (). gdb/ChangeLog: 2019-04-01 Marco Barisione <mbarisione@undo.io> Add gdb.Value.format_string (). * python/py-value.c (copy_py_bool_obj): (valpy_format_string): Add gdb.Value.format_string (). * NEWS: Document the addition of gdb.Value.format_string (). gdb/doc/ChangeLog: 2019-04-01 Marco Barisione <mbarisione@undo.io> * python.texi (Values From Inferior): Document gdb.Value.format_string (). gdb/testsuite/ChangeLog: 2019-04-01 Marco Barisione <mbarisione@undo.io> Test gdb.Value.format_string (). * gdb.python/py-format-string.exp: New test. * gdb.python/py-format-string.c: New file. * gdb.python/py-format-string.py: New file.
2019-03-24More block constificationTom Tromey2-5/+5
I noticed that there are still many places referring to non-const blocks. This constifies all the remaining ones that I found that could be constified. In a few spots, this search found unused variables or fields. I removed these. I've also removed some unnecessary casts to "struct block *". gdb/ChangeLog 2019-03-24 Tom Tromey <tom@tromey.com> * c-exp.y (typebase): Remove casts. * gdbtypes.c (lookup_unsigned_typename, ) (lookup_signed_typename): Remove cast. * eval.c (parse_to_comma_and_eval): Remove cast. * parse.c (write_dollar_variable): Remove cast. * block.h (struct block) <superblock>: Now const. * symfile-debug.c (debug_qf_map_matching_symbols): Update. * psymtab.c (psym_map_matching_symbols): Make "block" const. (map_block): Make "block" const. * symfile.h (struct quick_symbol_functions) <map_matching_symbols>: Constify block argument to "callback". * symtab.c (basic_lookup_transparent_type_quick): Make "block" const. (find_pc_sect_compunit_symtab): Make "b" const. (find_symbol_at_address): Likewise. (search_symbols): Likewise. * dwarf2read.c (dw2_lookup_symbol): Make "block" const. (dw2_debug_names_lookup_symbol): Likewise. (dw2_map_matching_symbols): Update. * p-valprint.c (pascal_val_print): Remove "block". * ada-lang.c (ada_add_global_exceptions): Make "b" const. (aux_add_nonlocal_symbols): Make "block" const. (resolve_subexp): Remove cast. * linespec.c (iterate_over_all_matching_symtabs): Make "block" const. (iterate_over_file_blocks): Likewise. * f-exp.y (%union) <bval>: Remove. * coffread.c (patch_opaque_types): Make "b" const. * spu-tdep.c (spu_catch_start): Make "block" const. * c-valprint.c (print_unpacked_pointer): Remove "block". * symmisc.c (dump_symtab_1): Make "b" const. (block_depth): Make "block" const. * d-exp.y (%union) <bval>: Remove. * cp-support.h (cp_lookup_rtti_type): Update. * cp-support.c (cp_lookup_rtti_type): Make "block" const. * psymtab.c (psym_lookup_symbol): Make "block" const. (maintenance_check_psymtabs): Make "b" const. * python/py-framefilter.c (extract_sym): Make "sym_block" const. (enumerate_locals, enumerate_args): Update. * python/py-symtab.c (stpy_global_block): Make "block" const. (stpy_static_block): Likewise. * inline-frame.c (block_starting_point_at): Make "new_block" const. * block.c (find_block_in_blockvector): Make return type const. (blockvector_for_pc_sect): Make "b" const. (find_block_in_blockvector): Make "b" const.
2019-03-07gdb: Move value_from_host_double into value.c and make more use of itAndrew Burgess1-5/+1
The function value_from_host_double can be moved from f-lang.c into value.c as a generally useful function, and then used more widely. Tested on X86-64/GNU Linux with no regressions. gdb/ChangeLog: * f-lang.c (value_from_host_double): Moved to... * value.c (value_from_host_double): ...here. * value.h (value_from_host_double): Declare. * guile/scm-math.c (vlscm_convert_typed_number): Use value_from_host_double. (vlscm_convert_number): Likewise. * guile/scm-value.c (gdbscm_value_to_real): Likewise. * python/py-value.c (convert_value_from_python): Likewise.
2019-03-05Remove some Python 3 #ifsTom Tromey2-14/+2
A recent patch from Kevin Buettner taught me that the PyBytes API is available on Python 2. This patch removes a couple of related #ifs in the Python code. Tested on x86-64 Fedora 29, using both Python 3.7 and Python 2.7. gdb/ChangeLog 2019-03-05 Tom Tromey <tromey@adacore.com> * python/py-prettyprint.c (print_string_repr): Remove #if. * python/py-utils.c (unicode_to_encoded_string): Remove #if.
2019-02-27Remove Python 2.4 and 2.5 supportTom Tromey8-178/+10
This removes all the remainings spots I could find that work around issues in Python 2.4 and 2.5. I don't have a good way to test that Python 2.6 still works. Tested by the buildbot. gdb/ChangeLog 2019-02-27 Tom Tromey <tromey@adacore.com> * config.in, configure: Rebuild. * configure.ac (HAVE_LIBPYTHON2_4, HAVE_LIBPYTHON2_5): Never define. * python/py-value.c: Remove Python 2.4 workaround. * python/py-utils.c (gdb_pymodule_addobject): Remove Python 2.4 workaround. * python/py-type.c (convert_field, gdbpy_initialize_types): Remove Python 2.4 workaround. * python/python-internal.h: Remove Python 2.4 comment. (Py_ssize_t): Don't define. (PyVarObject_HEAD_INIT, Py_TYPE): Don't define. (gdb_Py_DECREF): Remove Python 2.4 workaround. (gdb_PyObject_GetAttrString, PyObject_GetAttrString): Remove. (gdb_PyObject_HasAttrString, PyObject_HasAttrString): Remove. * python/python.c (do_start_initialization): Remove Python 2.4 workaround. * python/py-prettyprint.c (class dummy_python_frame): Remove. (print_children): Remove Python 2.4 workaround. * python/py-inferior.c (buffer_procs): Remove Python 2.4 workaround. (CHARBUFFERPROC_NAME): Remove. * python/py-breakpoint.c (gdbpy_initialize_breakpoints): Remove Python 2.4 workaround. gdb/testsuite/ChangeLog 2019-02-27 Tom Tromey <tromey@adacore.com> * lib/gdb.exp (skip_python_tests_prompt): Don't check for Python 2.4. * gdb.python/py-finish-breakpoint.exp: Remove Python 2.4 workaround. gdb/ChangeLog 2019-02-27 Tom Tromey <tromey@adacore.com> * config.in, configure: Rebuild. * configure.ac (HAVE_LIBPYTHON2_4, HAVE_LIBPYTHON2_5): Never define. * python/py-value.c: Remove Python 2.4 workaround. * python/py-utils.c (gdb_pymodule_addobject): Remove Python 2.4 workaround. * python/py-type.c (convert_field, gdbpy_initialize_types): Remove Python 2.4 workaround. * python/python-internal.h: Remove Python 2.4 comment. (Py_ssize_t): Don't define. (PyVarObject_HEAD_INIT, Py_TYPE): Don't define. (gdb_Py_DECREF): Remove Python 2.4 workaround. (gdb_PyObject_GetAttrString, PyObject_GetAttrString): Remove. (gdb_PyObject_HasAttrString, PyObject_HasAttrString): Remove. * python/python.c (do_start_initialization): Remove Python 2.4 workaround. * python/py-prettyprint.c (class dummy_python_frame): Remove. (print_children): Remove Python 2.4 workaround. * python/py-inferior.c (buffer_procs): Remove Python 2.4 workaround. (CHARBUFFERPROC_NAME): Remove. * python/py-breakpoint.c (gdbpy_initialize_breakpoints): Remove Python 2.4 workaround.
2019-02-27Use Python 2.[67] / 3.X / PEP 3118 buffer protocolKevin Buettner1-56/+8
This patch removes the non-IS_PY3K code in infpy_write_memory() and infpy_search_memory(). In both cases, the remaining code from these ifdefs is related to use of the PEP 3118 buffer protocol. (Deleted code is either due to simplification or related to use of the old buffer protocol.) PEP 3118 is sometimes referred to as the "new" buffer protocol, though it's not that new anymore. The link below describes new features in Python 2.6. In particular, it says that the buffer protocol described by PEP 3118 is in Python 2.6. It also says (at the top of the page) that Python 2.6 was released on Oct 1, 2008. https://docs.python.org/3/whatsnew/2.6.html#pep-3118-revised-buffer-protocol The last security release for the Python 2.6 series was 2.6.9. It was released on Oct 29, 2013. According to this document... https://www.python.org/download/releases/2.6.9/ ...support for the 2.6 series has ended: With the 2.6.9 release, and five years after its first release, the Python 2.6 series is now officially retired. All official maintenance for Python 2.6, including security patches, has ended. For ongoing maintenance releases, please see the Python 2.7 series. As noted earlier, Python 2.6, Python 2.7, and Python 3.X all have support for the PEP 3118 buffer protocol. Python releases prior to 2.6 use an older buffer protocol. Since Python 2.6 has been retired for a good while now, it seems reasonable to me to remove code using the older buffer protocol from GDB. I have also simplified some of the code via use of the Py_buffer unique_ptr specialization which I introduced in the two argument gdb.Value constructor patch series. Therefore, there is a dependency on patch #1 from that series. I have tested against both Python 2.7.15 and 3.7.2. I see no regressions among the non-racy tests. I've also verified that PyBuffer_Release is being called when the affected functions exit while running the tests in gdb.python/py-inferior.exp by hand. I've also tried running valgrind on GDB while running this test, but I'm puzzled by the results that I'm seeing - I'm seeing no additional leaks when I comment out the Py_buffer_up lines that I introduced. That said, I'm not seeing any leaks that obviously originate from either infpy_write_memory() or infpy_search_memory(). gdb/ChangeLog: * python/py-inferior.c (infpy_write_memory): Remove non-IS_PY3K code from these functions. Remove corresponding ifdefs. Use Py_buffer_up instead of explicit calls to PyBuffer_Release. Remove gotos and target of gotos. (infpy_search_memory): Likewise.
2019-02-26Define gdb.Value(bufobj, type) constructorKevin Buettner1-10/+62
Provided a buffer BUFOBJ and a type TYPE, construct a gdb.Value object with type TYPE, where the value's contents are taken from BUFOBJ. E.g... (gdb) python import struct (gdb) python unsigned_int_type=gdb.lookup_type('unsigned int') (gdb) python b=struct.pack('=I',0xdeadbeef) (gdb) python v=gdb.Value(b, unsigned_int_type) ; print("%#x" % v) 0xdeadbeef This two argument form of the gdb.Value constructor may also be used to obtain gdb values from selected portions of buffers read with Inferior.read_memory(). The test case (which is in a separate patch) demonstrates this use case. gdb/ChangeLog: * python/py-value.c (convert_buffer_and_type_to_value): New function. (valpy_new): Parse arguments via gdb_PyArg_ParseTupleAndKeywords. Add support for handling an optional second argument. Call convert_buffer_and_type_to_value as appropriate.
2019-02-26Define unique_ptr specialization for Py_buffer.Kevin Buettner1-0/+13
This patch causes PyBuffer_Release() to be called when the associated buffer goes out of scope. I've been using it as follows: ... Py_buffer_up buffer_up; Py_buffer py_buf; if (PyObject_CheckBuffer (obj) && PyObject_GetBuffer (obj, &py_buf, PyBUF_SIMPLE) == 0) { /* Got a buffer, py_buf, out of obj. Cause it to released when it goes out of scope. */ buffer_up.reset (&py_buf); } ... This snippet of code was taken directly from an upcoming patch to python-value.c. gdb/ChangeLog: * python/python-internal.h (Py_buffer_deleter): New struct. (Py_buffer_up): New typedef.
2019-02-07Normalize include guards in gdbTom Tromey10-30/+30
While working on my other scripts to deal with gdb headers, I noticed that some files were missing include guards. I wrote a script to add the missing ones, but found that using the obvious names for the guards ran into clashes -- for example, gdb/nat/linux-nat.h used "LINUX_NAT_H", but this was also the script's choice for gdb/linux-nat.h. So, I changed the script to normalize all include guards in gdb. This patch is the result. As usual the script is available here: https://github.com/tromey/gdb-refactoring-scripts Tested by rebuilding; I also ran it through "Fedora-x86_64-m64" on the buildbot. gdb/ChangeLog 2019-02-07 Tom Tromey <tom@tromey.com> * yy-remap.h: Add include guard. * xtensa-tdep.h: Add include guard. * xcoffread.h: Rename include guard. * varobj-iter.h: Add include guard. * tui/tui.h: Rename include guard. * tui/tui-winsource.h: Rename include guard. * tui/tui-wingeneral.h: Rename include guard. * tui/tui-windata.h: Rename include guard. * tui/tui-win.h: Rename include guard. * tui/tui-stack.h: Rename include guard. * tui/tui-source.h: Rename include guard. * tui/tui-regs.h: Rename include guard. * tui/tui-out.h: Rename include guard. * tui/tui-layout.h: Rename include guard. * tui/tui-io.h: Rename include guard. * tui/tui-hooks.h: Rename include guard. * tui/tui-file.h: Rename include guard. * tui/tui-disasm.h: Rename include guard. * tui/tui-data.h: Rename include guard. * tui/tui-command.h: Rename include guard. * tic6x-tdep.h: Add include guard. * target/waitstatus.h: Rename include guard. * target/wait.h: Rename include guard. * target/target.h: Rename include guard. * target/resume.h: Rename include guard. * target-float.h: Rename include guard. * stabsread.h: Add include guard. * rs6000-tdep.h: Add include guard. * riscv-fbsd-tdep.h: Add include guard. * regformats/regdef.h: Rename include guard. * record.h: Rename include guard. * python/python.h: Rename include guard. * python/python-internal.h: Rename include guard. * python/py-stopevent.h: Rename include guard. * python/py-ref.h: Rename include guard. * python/py-record.h: Rename include guard. * python/py-record-full.h: Rename include guard. * python/py-record-btrace.h: Rename include guard. * python/py-instruction.h: Rename include guard. * python/py-events.h: Rename include guard. * python/py-event.h: Rename include guard. * procfs.h: Add include guard. * proc-utils.h: Add include guard. * p-lang.h: Add include guard. * or1k-tdep.h: Rename include guard. * observable.h: Rename include guard. * nto-tdep.h: Rename include guard. * nat/x86-linux.h: Rename include guard. * nat/x86-linux-dregs.h: Rename include guard. * nat/x86-gcc-cpuid.h: Add include guard. * nat/x86-dregs.h: Rename include guard. * nat/x86-cpuid.h: Rename include guard. * nat/ppc-linux.h: Rename include guard. * nat/mips-linux-watch.h: Rename include guard. * nat/linux-waitpid.h: Rename include guard. * nat/linux-ptrace.h: Rename include guard. * nat/linux-procfs.h: Rename include guard. * nat/linux-osdata.h: Rename include guard. * nat/linux-nat.h: Rename include guard. * nat/linux-namespaces.h: Rename include guard. * nat/linux-btrace.h: Rename include guard. * nat/glibc_thread_db.h: Rename include guard. * nat/gdb_thread_db.h: Rename include guard. * nat/gdb_ptrace.h: Rename include guard. * nat/fork-inferior.h: Rename include guard. * nat/amd64-linux-siginfo.h: Rename include guard. * nat/aarch64-sve-linux-sigcontext.h: Rename include guard. * nat/aarch64-sve-linux-ptrace.h: Rename include guard. * nat/aarch64-linux.h: Rename include guard. * nat/aarch64-linux-hw-point.h: Rename include guard. * mn10300-tdep.h: Add include guard. * mips-linux-tdep.h: Add include guard. * mi/mi-parse.h: Rename include guard. * mi/mi-out.h: Rename include guard. * mi/mi-main.h: Rename include guard. * mi/mi-interp.h: Rename include guard. * mi/mi-getopt.h: Rename include guard. * mi/mi-console.h: Rename include guard. * mi/mi-common.h: Rename include guard. * mi/mi-cmds.h: Rename include guard. * mi/mi-cmd-break.h: Rename include guard. * m2-lang.h: Add include guard. * location.h: Rename include guard. * linux-record.h: Rename include guard. * linux-nat.h: Add include guard. * linux-fork.h: Add include guard. * i386-darwin-tdep.h: Rename include guard. * hppa-linux-offsets.h: Add include guard. * guile/guile.h: Rename include guard. * guile/guile-internal.h: Rename include guard. * gnu-nat.h: Rename include guard. * gdb-stabs.h: Rename include guard. * frv-tdep.h: Add include guard. * f-lang.h: Add include guard. * event-loop.h: Add include guard. * darwin-nat.h: Rename include guard. * cp-abi.h: Rename include guard. * config/sparc/nm-sol2.h: Rename include guard. * config/nm-nto.h: Rename include guard. * config/nm-linux.h: Add include guard. * config/i386/nm-i386gnu.h: Rename include guard. * config/djgpp/nl_types.h: Rename include guard. * config/djgpp/langinfo.h: Rename include guard. * compile/gcc-cp-plugin.h: Add include guard. * compile/gcc-c-plugin.h: Add include guard. * compile/compile.h: Rename include guard. * compile/compile-object-run.h: Rename include guard. * compile/compile-object-load.h: Rename include guard. * compile/compile-internal.h: Rename include guard. * compile/compile-cplus.h: Rename include guard. * compile/compile-c.h: Rename include guard. * common/xml-utils.h: Rename include guard. * common/x86-xstate.h: Rename include guard. * common/version.h: Rename include guard. * common/vec.h: Rename include guard. * common/tdesc.h: Rename include guard. * common/selftest.h: Rename include guard. * common/scoped_restore.h: Rename include guard. * common/scoped_mmap.h: Rename include guard. * common/scoped_fd.h: Rename include guard. * common/safe-iterator.h: Rename include guard. * common/run-time-clock.h: Rename include guard. * common/refcounted-object.h: Rename include guard. * common/queue.h: Rename include guard. * common/ptid.h: Rename include guard. * common/print-utils.h: Rename include guard. * common/preprocessor.h: Rename include guard. * common/pathstuff.h: Rename include guard. * common/observable.h: Rename include guard. * common/netstuff.h: Rename include guard. * common/job-control.h: Rename include guard. * common/host-defs.h: Rename include guard. * common/gdb_wait.h: Rename include guard. * common/gdb_vecs.h: Rename include guard. * common/gdb_unlinker.h: Rename include guard. * common/gdb_unique_ptr.h: Rename include guard. * common/gdb_tilde_expand.h: Rename include guard. * common/gdb_sys_time.h: Rename include guard. * common/gdb_string_view.h: Rename include guard. * common/gdb_splay_tree.h: Rename include guard. * common/gdb_setjmp.h: Rename include guard. * common/gdb_ref_ptr.h: Rename include guard. * common/gdb_optional.h: Rename include guard. * common/gdb_locale.h: Rename include guard. * common/gdb_assert.h: Rename include guard. * common/filtered-iterator.h: Rename include guard. * common/filestuff.h: Rename include guard. * common/fileio.h: Rename include guard. * common/environ.h: Rename include guard. * common/common-utils.h: Rename include guard. * common/common-types.h: Rename include guard. * common/common-regcache.h: Rename include guard. * common/common-inferior.h: Rename include guard. * common/common-gdbthread.h: Rename include guard. * common/common-exceptions.h: Rename include guard. * common/common-defs.h: Rename include guard. * common/common-debug.h: Rename include guard. * common/cleanups.h: Rename include guard. * common/buffer.h: Rename include guard. * common/btrace-common.h: Rename include guard. * common/break-common.h: Rename include guard. * cli/cli-utils.h: Rename include guard. * cli/cli-style.h: Rename include guard. * cli/cli-setshow.h: Rename include guard. * cli/cli-script.h: Rename include guard. * cli/cli-interp.h: Rename include guard. * cli/cli-decode.h: Rename include guard. * cli/cli-cmds.h: Rename include guard. * charset-list.h: Add include guard. * buildsym-legacy.h: Rename include guard. * bfin-tdep.h: Add include guard. * ax.h: Rename include guard. * arm-linux-tdep.h: Add include guard. * arm-fbsd-tdep.h: Add include guard. * arch/xtensa.h: Rename include guard. * arch/tic6x.h: Add include guard. * arch/i386.h: Add include guard. * arch/arm.h: Rename include guard. * arch/arm-linux.h: Rename include guard. * arch/arm-get-next-pcs.h: Rename include guard. * arch/amd64.h: Add include guard. * arch/aarch64-insn.h: Rename include guard. * arch-utils.h: Rename include guard. * annotate.h: Add include guard. * amd64-darwin-tdep.h: Rename include guard. * aarch64-linux-tdep.h: Add include guard. * aarch64-fbsd-tdep.h: Add include guard. * aarch32-linux-nat.h: Add include guard. gdb/gdbserver/ChangeLog 2019-02-07 Tom Tromey <tom@tromey.com> * x86-tdesc.h: Rename include guard. * x86-low.h: Add include guard. * wincecompat.h: Rename include guard. * win32-low.h: Add include guard. * utils.h: Rename include guard. * tracepoint.h: Rename include guard. * tdesc.h: Rename include guard. * target.h: Rename include guard. * server.h: Rename include guard. * remote-utils.h: Rename include guard. * regcache.h: Rename include guard. * nto-low.h: Rename include guard. * notif.h: Add include guard. * mem-break.h: Rename include guard. * lynx-low.h: Add include guard. * linux-x86-tdesc.h: Add include guard. * linux-s390-tdesc.h: Add include guard. * linux-ppc-tdesc-init.h: Add include guard. * linux-low.h: Add include guard. * linux-aarch64-tdesc.h: Add include guard. * linux-aarch32-low.h: Add include guard. * inferiors.h: Rename include guard. * i387-fp.h: Rename include guard. * hostio.h: Rename include guard. * gdbthread.h: Rename include guard. * gdb_proc_service.h: Rename include guard. * event-loop.h: Rename include guard. * dll.h: Rename include guard. * debug.h: Rename include guard. * ax.h: Rename include guard.
2019-01-30Release the GIL while running a gdb command or expressionTom Tromey2-0/+28
PR python/23615 points out that gdb.execute_gdb_command does not release the Python GIL. This means that, while the gdb command is running, other Python threads do not run. This patch solves the problem by introducing a new RAII class that can be used to temporarily release and then re-acquire the GIL, then puts this into the appropriate places in execute_gdb_command and gdbpy_parse_and_eval. This does not include a test case, because after some research I could not find a way to write one that was not racy. gdb/ChangeLog 2019-01-30 Tom Tromey <tom@tromey.com> PR python/23615: * python/python.c (execute_gdb_command): Use gdbpy_allow_threads. (gdbpy_parse_and_eval): Likewise. * python/python-internal.h (gdbpy_allow_threads): New class.
2019-01-25Normalize includes to use common/Tom Tromey3-3/+3
This changes all includes to use the form "common/filename.h" rather than just "filename.h". This was written by a script. gdb/ChangeLog 2019-01-25 Tom Tromey <tom@tromey.com> * xtensa-linux-nat.c: Fix common/ includes. * xml-support.h: Fix common/ includes. * xml-support.c: Fix common/ includes. * x86-linux-nat.c: Fix common/ includes. * windows-nat.c: Fix common/ includes. * varobj.h: Fix common/ includes. * varobj.c: Fix common/ includes. * value.c: Fix common/ includes. * valops.c: Fix common/ includes. * utils.c: Fix common/ includes. * unittests/xml-utils-selftests.c: Fix common/ includes. * unittests/utils-selftests.c: Fix common/ includes. * unittests/unpack-selftests.c: Fix common/ includes. * unittests/tracepoint-selftests.c: Fix common/ includes. * unittests/style-selftests.c: Fix common/ includes. * unittests/string_view-selftests.c: Fix common/ includes. * unittests/scoped_restore-selftests.c: Fix common/ includes. * unittests/scoped_mmap-selftests.c: Fix common/ includes. * unittests/scoped_fd-selftests.c: Fix common/ includes. * unittests/rsp-low-selftests.c: Fix common/ includes. * unittests/parse-connection-spec-selftests.c: Fix common/ includes. * unittests/optional-selftests.c: Fix common/ includes. * unittests/offset-type-selftests.c: Fix common/ includes. * unittests/observable-selftests.c: Fix common/ includes. * unittests/mkdir-recursive-selftests.c: Fix common/ includes. * unittests/memrange-selftests.c: Fix common/ includes. * unittests/memory-map-selftests.c: Fix common/ includes. * unittests/lookup_name_info-selftests.c: Fix common/ includes. * unittests/function-view-selftests.c: Fix common/ includes. * unittests/environ-selftests.c: Fix common/ includes. * unittests/copy_bitwise-selftests.c: Fix common/ includes. * unittests/common-utils-selftests.c: Fix common/ includes. * unittests/cli-utils-selftests.c: Fix common/ includes. * unittests/array-view-selftests.c: Fix common/ includes. * ui-file.c: Fix common/ includes. * tui/tui-io.c: Fix common/ includes. * tracepoint.h: Fix common/ includes. * tracepoint.c: Fix common/ includes. * tracefile-tfile.c: Fix common/ includes. * top.h: Fix common/ includes. * top.c: Fix common/ includes. * thread.c: Fix common/ includes. * target/waitstatus.h: Fix common/ includes. * target/waitstatus.c: Fix common/ includes. * target.h: Fix common/ includes. * target.c: Fix common/ includes. * target-memory.c: Fix common/ includes. * target-descriptions.c: Fix common/ includes. * symtab.h: Fix common/ includes. * symfile.c: Fix common/ includes. * stap-probe.c: Fix common/ includes. * spu-linux-nat.c: Fix common/ includes. * sparc-nat.c: Fix common/ includes. * source.c: Fix common/ includes. * solib.c: Fix common/ includes. * solib-target.c: Fix common/ includes. * ser-unix.c: Fix common/ includes. * ser-tcp.c: Fix common/ includes. * ser-pipe.c: Fix common/ includes. * ser-base.c: Fix common/ includes. * selftest-arch.c: Fix common/ includes. * s12z-tdep.c: Fix common/ includes. * rust-exp.y: Fix common/ includes. * rs6000-aix-tdep.c: Fix common/ includes. * riscv-tdep.c: Fix common/ includes. * remote.c: Fix common/ includes. * remote-notif.h: Fix common/ includes. * remote-fileio.h: Fix common/ includes. * remote-fileio.c: Fix common/ includes. * regcache.h: Fix common/ includes. * regcache.c: Fix common/ includes. * record-btrace.c: Fix common/ includes. * python/python.c: Fix common/ includes. * python/py-type.c: Fix common/ includes. * python/py-inferior.c: Fix common/ includes. * progspace.h: Fix common/ includes. * producer.c: Fix common/ includes. * procfs.c: Fix common/ includes. * proc-api.c: Fix common/ includes. * printcmd.c: Fix common/ includes. * ppc-linux-nat.c: Fix common/ includes. * parser-defs.h: Fix common/ includes. * osdata.c: Fix common/ includes. * obsd-nat.c: Fix common/ includes. * nat/x86-linux.c: Fix common/ includes. * nat/x86-linux-dregs.c: Fix common/ includes. * nat/x86-dregs.h: Fix common/ includes. * nat/x86-dregs.c: Fix common/ includes. * nat/ppc-linux.c: Fix common/ includes. * nat/mips-linux-watch.h: Fix common/ includes. * nat/mips-linux-watch.c: Fix common/ includes. * nat/linux-waitpid.c: Fix common/ includes. * nat/linux-ptrace.h: Fix common/ includes. * nat/linux-ptrace.c: Fix common/ includes. * nat/linux-procfs.c: Fix common/ includes. * nat/linux-personality.c: Fix common/ includes. * nat/linux-osdata.c: Fix common/ includes. * nat/linux-namespaces.c: Fix common/ includes. * nat/linux-btrace.h: Fix common/ includes. * nat/linux-btrace.c: Fix common/ includes. * nat/fork-inferior.c: Fix common/ includes. * nat/amd64-linux-siginfo.c: Fix common/ includes. * nat/aarch64-sve-linux-ptrace.c: Fix common/ includes. * nat/aarch64-linux.c: Fix common/ includes. * nat/aarch64-linux-hw-point.h: Fix common/ includes. * nat/aarch64-linux-hw-point.c: Fix common/ includes. * namespace.h: Fix common/ includes. * mips-linux-tdep.c: Fix common/ includes. * minsyms.c: Fix common/ includes. * mi/mi-parse.h: Fix common/ includes. * mi/mi-main.c: Fix common/ includes. * mi/mi-cmd-env.c: Fix common/ includes. * memrange.h: Fix common/ includes. * memattr.c: Fix common/ includes. * maint.h: Fix common/ includes. * maint.c: Fix common/ includes. * main.c: Fix common/ includes. * machoread.c: Fix common/ includes. * location.c: Fix common/ includes. * linux-thread-db.c: Fix common/ includes. * linux-nat.c: Fix common/ includes. * linux-fork.c: Fix common/ includes. * inline-frame.c: Fix common/ includes. * infrun.c: Fix common/ includes. * inflow.c: Fix common/ includes. * inferior.h: Fix common/ includes. * inferior.c: Fix common/ includes. * infcmd.c: Fix common/ includes. * inf-ptrace.c: Fix common/ includes. * inf-child.c: Fix common/ includes. * ia64-linux-nat.c: Fix common/ includes. * i387-tdep.c: Fix common/ includes. * i386-tdep.c: Fix common/ includes. * i386-linux-tdep.c: Fix common/ includes. * i386-linux-nat.c: Fix common/ includes. * i386-go32-tdep.c: Fix common/ includes. * i386-fbsd-tdep.c: Fix common/ includes. * i386-fbsd-nat.c: Fix common/ includes. * guile/scm-type.c: Fix common/ includes. * guile/guile.c: Fix common/ includes. * go32-nat.c: Fix common/ includes. * gnu-nat.c: Fix common/ includes. * gdbthread.h: Fix common/ includes. * gdbarch-selftests.c: Fix common/ includes. * gdb_usleep.c: Fix common/ includes. * gdb_select.h: Fix common/ includes. * gdb_bfd.c: Fix common/ includes. * gcore.c: Fix common/ includes. * fork-child.c: Fix common/ includes. * findvar.c: Fix common/ includes. * fbsd-nat.c: Fix common/ includes. * event-top.c: Fix common/ includes. * event-loop.c: Fix common/ includes. * dwarf2read.c: Fix common/ includes. * dwarf2loc.c: Fix common/ includes. * dwarf2-frame.c: Fix common/ includes. * dwarf-index-cache.c: Fix common/ includes. * dtrace-probe.c: Fix common/ includes. * disasm-selftests.c: Fix common/ includes. * defs.h: Fix common/ includes. * csky-tdep.c: Fix common/ includes. * cp-valprint.c: Fix common/ includes. * cp-support.h: Fix common/ includes. * cp-support.c: Fix common/ includes. * corelow.c: Fix common/ includes. * completer.h: Fix common/ includes. * completer.c: Fix common/ includes. * compile/compile.c: Fix common/ includes. * compile/compile-loc2c.c: Fix common/ includes. * compile/compile-cplus-types.c: Fix common/ includes. * compile/compile-cplus-symbols.c: Fix common/ includes. * command.h: Fix common/ includes. * cli/cli-dump.c: Fix common/ includes. * cli/cli-cmds.c: Fix common/ includes. * charset.c: Fix common/ includes. * build-id.c: Fix common/ includes. * btrace.h: Fix common/ includes. * btrace.c: Fix common/ includes. * breakpoint.h: Fix common/ includes. * breakpoint.c: Fix common/ includes. * ax.h: (enum agent_op): Fix common/ includes. * ax-general.c (struct aop_map): Fix common/ includes. * ax-gdb.c: Fix common/ includes. * auxv.c: Fix common/ includes. * auto-load.c: Fix common/ includes. * arm-tdep.c: Fix common/ includes. * arch/riscv.c: Fix common/ includes. * arch/ppc-linux-common.c: Fix common/ includes. * arch/i386.c: Fix common/ includes. * arch/arm.c: Fix common/ includes. * arch/arm-linux.c: Fix common/ includes. * arch/arm-get-next-pcs.c: Fix common/ includes. * arch/amd64.c: Fix common/ includes. * arch/aarch64.c: Fix common/ includes. * arch/aarch64-insn.c: Fix common/ includes. * arch-utils.c: Fix common/ includes. * amd64-windows-tdep.c: Fix common/ includes. * amd64-tdep.c: Fix common/ includes. * amd64-sol2-tdep.c: Fix common/ includes. * amd64-obsd-tdep.c: Fix common/ includes. * amd64-nbsd-tdep.c: Fix common/ includes. * amd64-linux-tdep.c: Fix common/ includes. * amd64-linux-nat.c: Fix common/ includes. * amd64-fbsd-tdep.c: Fix common/ includes. * amd64-fbsd-nat.c: Fix common/ includes. * amd64-dicos-tdep.c: Fix common/ includes. * amd64-darwin-tdep.c: Fix common/ includes. * agent.c: Fix common/ includes. * ada-lang.h: Fix common/ includes. * ada-lang.c: Fix common/ includes. * aarch64-tdep.c: Fix common/ includes. gdb/gdbserver/ChangeLog 2019-01-25 Tom Tromey <tom@tromey.com> * win32-low.c: Fix common/ includes. * win32-i386-low.c: Fix common/ includes. * tracepoint.c: Fix common/ includes. * thread-db.c: Fix common/ includes. * target.h: Fix common/ includes. * symbol.c: Fix common/ includes. * spu-low.c: Fix common/ includes. * server.h: Fix common/ includes. * server.c: Fix common/ includes. * remote-utils.c: Fix common/ includes. * regcache.h: Fix common/ includes. * regcache.c: Fix common/ includes. * nto-x86-low.c: Fix common/ includes. * notif.h: Fix common/ includes. * mem-break.h: Fix common/ includes. * lynx-low.c: Fix common/ includes. * lynx-i386-low.c: Fix common/ includes. * linux-x86-tdesc-selftest.c: Fix common/ includes. * linux-x86-low.c: Fix common/ includes. * linux-low.c: Fix common/ includes. * inferiors.h: Fix common/ includes. * i387-fp.c: Fix common/ includes. * hostio.c: Fix common/ includes. * hostio-errno.c: Fix common/ includes. * gdbthread.h: Fix common/ includes. * gdbreplay.c: Fix common/ includes. * fork-child.c: Fix common/ includes. * event-loop.c: Fix common/ includes. * ax.c: (enum gdb_agent_op): Fix common/ includes.
2019-01-22Do not include py-ref.h in most filesTom Tromey25-25/+0
py-ref.h can really only be included from a specific spot in python-internal.h. The other includes are not useful, and cause compilation errors if the includes are ever sorted. So, remove these includes. Arguably, py-ref.h should simply not be a separate header. gdb/ChangeLog 2019-01-22 Tom Tromey <tom@tromey.com> * python/py-arch.c: Do not include py-ref.h. * python/py-bpevent.c: Do not include py-ref.h. * python/py-cmd.c: Do not include py-ref.h. * python/py-continueevent.c: Do not include py-ref.h. * python/py-event.h: Do not include py-ref.h. * python/py-evtregistry.c: Do not include py-ref.h. * python/py-finishbreakpoint.c: Do not include py-ref.h. * python/py-frame.c: Do not include py-ref.h. * python/py-framefilter.c: Do not include py-ref.h. * python/py-function.c: Do not include py-ref.h. * python/py-infevents.c: Do not include py-ref.h. * python/py-linetable.c: Do not include py-ref.h. * python/py-objfile.c: Do not include py-ref.h. * python/py-param.c: Do not include py-ref.h. * python/py-prettyprint.c: Do not include py-ref.h. * python/py-progspace.c: Do not include py-ref.h. * python/py-symbol.c: Do not include py-ref.h. * python/py-symtab.c: Do not include py-ref.h. * python/py-type.c: Do not include py-ref.h. * python/py-unwind.c: Do not include py-ref.h. * python/py-utils.c: Do not include py-ref.h. * python/py-value.c: Do not include py-ref.h. * python/py-varobj.c: Do not include py-ref.h. * python/py-xmethods.c: Do not include py-ref.h. * python/python.c: Do not include py-ref.h. * varobj.c: Do not include py-ref.h.
2019-01-21Remove duplicate or commented-out #includesTom Tromey1-1/+0
I wrote a little script to detect duplicate or commented-out #includes and ran it on gdb. This patch is the result. Tested by rebuilding. gdb/ChangeLog 2019-01-21 Tom Tromey <tom@tromey.com> * ui-out.c: Fix includes. * tui/tui-source.c: Fix includes. * target.c: Fix includes. * remote.c: Fix includes. * regcache.c: Fix includes. * python/py-block.c: Fix includes. * printcmd.c: Fix includes. * or1k-tdep.c: Fix includes. * mi/mi-main.c: Fix includes. * m32r-tdep.c: Fix includes. * csky-tdep.c: Fix includes. * compile/compile-cplus-types.c: Fix includes. * cli/cli-interp.c: Fix includes. gdb/gdbserver/ChangeLog 2019-01-21 Tom Tromey <tom@tromey.com> * tracepoint.c: Fix includes. * remote-utils.c: Fix includes. * linux-x86-low.c: Fix includes. gdb/stubs/ChangeLog 2019-01-21 Tom Tromey <tom@tromey.com> * ia64vms-stub.c: Fix includes.
2019-01-17Change all_objfiles adapter to be a method on program_spaceTom Tromey4-5/+5
This changes the all_objfiles range adapter to be a method on the program space, and fixes up all the users. gdb/ChangeLog 2019-01-17 Tom Tromey <tom@tromey.com> * progspace.h (program_space) <objfiles_range>: New typedef. <objfiles>: New method. <objfiles_head>: Rename from objfiles. (object_files): Update. * guile/scm-progspace.c (gdbscm_progspace_objfiles): Update. * guile/scm-pretty-print.c (ppscm_find_pretty_printer_from_objfiles): Update. * guile/scm-objfile.c (gdbscm_objfiles): Update. * python/py-xmethods.c (gdbpy_get_matching_xmethod_workers): Update. * python/py-progspace.c (pspy_get_objfiles): Update. * python/py-prettyprint.c (find_pretty_printer_from_objfiles): Update. * python/py-objfile.c (objfpy_lookup_objfile_by_name) (objfpy_lookup_objfile_by_build_id): Update. * mi/mi-cmd-file.c (mi_cmd_file_list_exec_source_files): Update. * windows-tdep.c (windows_iterate_over_objfiles_in_search_order): Update. * symtab.c (iterate_over_symtabs, matching_obj_sections) (expand_symtab_containing_pc, lookup_objfile_from_block) (lookup_static_symbol, basic_lookup_transparent_type) (find_pc_sect_compunit_symtab, find_symbol_at_address) (find_line_symtab, info_sources_command) (default_collect_symbol_completion_matches_break_on) (make_source_files_completion_list, find_main_name): Update. * symmisc.c (print_symbol_bcache_statistics) (print_objfile_statistics, maintenance_print_symbols) (maintenance_print_msymbols, maintenance_print_objfiles) (maintenance_info_symtabs, maintenance_check_symtabs) (maintenance_expand_symtabs, maintenance_info_line_tables): Update. * symfile.c (remove_symbol_file_command, overlay_invalidate_all) (find_pc_overlay, find_pc_mapped_section, list_overlays_command) (map_overlay_command, unmap_overlay_command) (simple_overlay_update, expand_symtabs_matching) (map_symbol_filenames): Update. * symfile-debug.c (set_debug_symfile): Update. * spu-tdep.c (spu_overlay_update, spu_objfile_from_frame): Update. * source.c (select_source_symtab, forget_cached_source_info): Update. * solib.c (solib_read_symbols): Update. * solib-spu.c (append_ocl_sos): Update. * psymtab.c (maintenance_print_psymbols) (maintenance_info_psymtabs, maintenance_check_psymtabs): Update. * probe.c (parse_probes_in_pspace, find_probe_by_pc): Update. * printcmd.c (info_symbol_command): Update. * ppc-linux-tdep.c (ppc_linux_spe_context_inferior_created): Update. * objfiles.h (class all_objfiles): Remove. * objfiles.c (have_partial_symbols, have_full_symbols) (have_minimal_symbols, qsort_cmp, update_section_map) (shared_objfile_contains_address_p) (default_iterate_over_objfiles_in_search_order): Update. * objc-lang.c (info_selectors_command, info_classes_command) (find_methods): Update. * minsyms.c (find_solib_trampoline_target): Update. * maint.c (maintenance_info_sections) (maintenance_translate_address, count_symtabs_and_blocks): Update. * main.c (captured_main_1): Update. * linux-thread-db.c (try_thread_db_load_from_pdir) (has_libpthread): Update. * linespec.c (iterate_over_all_matching_symtabs) (search_minsyms_for_name): Update. * jit.c (jit_find_objf_with_entry_addr): Update. * hppa-tdep.c (find_unwind_entry) (hppa_lookup_stub_minimal_symbol): Update. * gcore.c (gcore_create_callback, objfile_find_memory_regions): Update. * elfread.c (elf_gnu_ifunc_resolve_by_cache) (elf_gnu_ifunc_resolve_by_got): Update. * dwarf2-frame.c (dwarf2_frame_find_fde): Update. * dwarf-index-write.c (save_gdb_index_command): Update. * cp-support.c (add_symbol_overload_list_qualified): Update. * breakpoint.c (create_overlay_event_breakpoint) (create_longjmp_master_breakpoint) (create_std_terminate_master_breakpoint) (create_exception_master_breakpoint): Update. * blockframe.c (find_pc_partial_function): Update. * ada-lang.c (ada_lookup_simple_minsym, add_nonlocal_symbols) (ada_collect_symbol_completion_matches) (ada_add_global_exceptions): Update.
2019-01-09Remove most uses of ALL_OBJFILESTom Tromey3-29/+21
This removes most uses of ALL_OBJFILES, replacing them with ranged for loops. The remaining uses are all in macros, and will be removed in subsequent patches. gdb/ChangeLog 2019-01-09 Tom Tromey <tom@tromey.com> * symtab.c (iterate_over_symtabs, matching_obj_sections) (expand_symtab_containing_pc, lookup_static_symbol) (basic_lookup_transparent_type, find_pc_sect_compunit_symtab) (find_symbol_at_address, find_line_symtab, find_main_name): Use all_objfiles. * probe.c (find_probe_by_pc, collect_probes): Use all_objfiles. * breakpoint.c (create_overlay_event_breakpoint) (create_longjmp_master_breakpoint) (create_std_terminate_master_breakpoint) (create_exception_master_breakpoint): Use all_objfiles. * linux-thread-db.c (try_thread_db_load_from_pdir) (has_libpthread): Use all_objfiles. * ada-lang.c (add_nonlocal_symbols): Use all_objfiles. * linespec.c (iterate_over_all_matching_symtabs) (search_minsyms_for_name): Use all_objfiles. * maint.c (maintenance_info_sections): Use all_objfiles. * main.c (captured_main_1): Use all_objfiles. * spu-tdep.c (spu_objfile_from_frame): Use all_objfiles. * guile/scm-objfile.c (gdbscm_objfiles): Use all_objfiles. * guile/scm-pretty-print.c (ppscm_find_pretty_printer_from_objfiles): Use all_objfiles. * solib-spu.c (append_ocl_sos): Use all_objfiles. * symmisc.c (maintenance_print_symbols): Use all_objfiles. (maintenance_print_msymbols): Use all_objfiles. * source.c (select_source_symtab): Use all_objfiles. * jit.c (jit_find_objf_with_entry_addr): Use all_objfiles. * symfile.c (remove_symbol_file_command) (expand_symtabs_matching, map_symbol_filenames): Use all_objfiles. * ppc-linux-tdep.c (ppc_linux_spe_context_inferior_created): Use all_objfiles. * dwarf2-frame.c (dwarf2_frame_find_fde): Use all_objfiles. * objc-lang.c (find_methods): Use all_objfiles. * objfiles.c (have_partial_symbols, have_full_symbols) (have_minimal_symbols, qsort_cmp) (default_iterate_over_objfiles_in_search_order): Use all_objfiles. * hppa-tdep.c (find_unwind_entry): Use all_objfiles. * psymtab.c (maintenance_print_psymbols): Use all_objfiles. (maintenance_check_psymtabs): Use all_objfiles. (ALL_PSYMTABS): Remove. * compile/compile-object-run.c (do_module_cleanup): Use all_objfiles. * blockframe.c (find_pc_partial_function): Use all_objfiles. * cp-support.c (add_symbol_overload_list_qualified): Use all_objfiles. * windows-tdep.c (windows_iterate_over_objfiles_in_search_order): Use all_objfiles. * dwarf-index-write.c (save_gdb_index_command): Use all_objfiles. * python/py-xmethods.c (gdbpy_get_matching_xmethod_workers): Use all_objfiles. * python/py-objfile.c (objfpy_lookup_objfile_by_name) (objfpy_lookup_objfile_by_build_id): Use all_objfiles. * python/py-prettyprint.c (find_pretty_printer_from_objfiles): Uses all_objfiles. * solib.c (solib_read_symbols): Use all_objfiles
2019-01-09Remove ALL_PSPACE_OBJFILESTom Tromey1-3/+1
This removes the ALL_PSPACE_OBJFILES macro in favor of ranged for loops. gdb/ChangeLog 2019-01-09 Tom Tromey <tom@tromey.com> * probe.c (parse_probes_in_pspace): Use all_objfiles. * guile/scm-progspace.c (gdbscm_progspace_objfiles): Use all_objfiles. * objfiles.h (ALL_PSPACE_OBJFILES): Remove. * symmisc.c (print_symbol_bcache_statistics) (print_objfile_statistics, maintenance_print_objfiles) (maintenance_info_symtabs, maintenance_check_symtabs) (maintenance_expand_symtabs, maintenance_info_line_tables): Use all_objfiles. * source.c (forget_cached_source_info): Use all_objfiles. * symfile-debug.c (set_debug_symfile): Use all_objfiles. * elfread.c (elf_gnu_ifunc_resolve_by_cache) (elf_gnu_ifunc_resolve_by_got): Use all_objfiles. * objfiles.c (update_section_map): Use all_objfiles. (shared_objfile_contains_address_p): Likewise. * psymtab.c (maintenance_info_psymtabs): Use all_objfiles. * python/py-progspace.c (pspy_get_objfiles): Use all_objfiles.
2019-01-06Fix crash in "finish"Tom Tromey1-1/+1
PR gdb/28155 notes a crash in "finish" that occurs with a particular source file compiled by clang. The bug is the typical gdb problem of a missing call to check_typedef. clang emits a function whose return type is a typedef to void. get_return_value asserts that the return type is not void, but the callers were not using check_typedef first. gdb/ChangeLog 2019-01-06 Tom Tromey <tom@tromey.com> PR gdb/28155: * python/py-finishbreakpoint.c (bpfinishpy_init): Use check_typedef. * infcmd.c (finish_command_fsm_should_stop): Use check_typedef. (print_return_value): Likewise. gdb/testsuite/ChangeLog 2019-01-06 Tom Tromey <tom@tromey.com> PR gdb/28155: * gdb.dwarf2/typedef-void-finish.exp: New file.
2019-01-03Avoid questionable casts in py-symtab.cTom Tromey1-16/+23
py-symtab.c has some questionable casts of Py_None to symtab_object*. This patch avoids these casts by instead using downcasts at the appropriate places. gdb/ChangeLog 2019-01-03 Tom Tromey <tom@tromey.com> * python/py-symtab.c (salpy_str): Update. (struct salpy_sal_object) <symtab>: Now a PyObject. (salpy_dealloc): Update. (del_objfile_sal): Use gdbpy_ref.
2019-01-03Improve reference counting in py-type.cTom Tromey1-32/+23
This improves the reference counting in py-type.c by using gdbpy_ref and gdbpy_ref::new_reference in more places. gdb/ChangeLog 2019-01-03 Tom Tromey <tom@tromey.com> * python/py-type.c (convert_field): Use new_reference. Return gdbpy_ref. (make_fielditem): Return gdbpy_ref. (typy_fields): Update. (typy_getitem): Update. (field_name): Return gdbpy_ref. Use new_reference. (typy_iterator_iternext): Update.
2019-01-03Simplify gdbpy_stop_recordingTom Tromey1-6/+2
This simplifies gdbpy_stop_recording, by having it use Py_RETURN_NONE rather than writing it out manually, and by usin the idiomatic GDB_PY_HANDLE_EXCEPTION. gdb/ChangeLog 2019-01-03 Tom Tromey <tom@tromey.com> * python/py-record.c (gdbpy_stop_recording): Use Py_RETURN_NONE.
2019-01-03Remove more uses of explicit reference counting in PythonTom Tromey6-57/+26
This changes some more place in the Python code to use gdbpy_ref rather than explicit reference counting. While doing this I found a latent bug in typy_fields_items -- it was not checking for errors in one spot. I also changed valpy_dealloc to use Py_XDECREF rather than an explicit "if". gdb/ChangeLog 2019-01-03 Tom Tromey <tom@tromey.com> * python/py-value.c (valpy_dealloc): Use Py_XDECREF. * python/py-type.c (typy_fields_items): Use gdbpy_ref. * python/py-progspace.c (pspy_set_printers): Use gdbpy_ref. (pspy_set_frame_filters, pspy_set_frame_unwinders) (pspy_set_type_printers): Likewise. * python/py-function.c (fnpy_init): Use gdbpy_ref. * python/py-cmd.c (cmdpy_init): Use gdbpy_ref. * python/py-objfile.c (objfpy_set_printers): Use gdbpy_ref. (objfpy_set_frame_filters, objfpy_set_frame_unwinders) (objfpy_set_type_printers): Likewise.
2019-01-03Use a wrapper for PyErr_FetchTom Tromey6-73/+103
This introduces a new class that wraps PyErr_Fetch and PyErr_Restore, and then changes all the callers in gdb to use it. This reduces the amount of explicit reference counting that is done in the Python code. I also found and fixed a latent bug in gdbpy_print_stack -- it was not correctly checking some error conditions, nor clearing the exception when needed. gdb/ChangeLog 2019-01-03 Tom Tromey <tom@tromey.com> * python/python.c (gdbpy_enter, ~gdbpy_enter): Update. (gdbpy_print_stack): Use gdbpy_err_fetch. * python/python-internal.h (class gdbpy_err_fetch): New class. (class gdbpy_enter) <m_error_type, m_error_value, m_error_traceback>: Remove. <m_error>: New member. (gdbpy_exception_to_string): Don't declare. * python/py-varobj.c (py_varobj_iter_next): Use gdbpy_err_fetch. * python/py-value.c (convert_value_from_python): Use gdbpy_err_fetch. * python/py-utils.c (gdbpy_err_fetch::to_string): Rename from gdbpy_exception_to_string. (gdbpy_handle_exception): Use gdbpy_err_fetch. * python/py-prettyprint.c (print_stack_unless_memory_error): Use gdbpy_err_fetch.
2019-01-02Change inferior_to_inferior_object to return a gdbpy_refTom Tromey4-16/+18
Most callers of inferior_to_inferior_object already use a gdbpy_ref, so this changes inferior_to_inferior_object to return one. Doing this revealed that create_thread_object was not correctly handling the case where inferior_to_inferior_object failed, so this patch fixes this as well. gdb/ChangeLog 2019-01-02 Tom Tromey <tom@tromey.com> * python/python-internal.h (inferior_to_inferior_object): Change return type. * python/py-exitedevent.c (create_exited_event_object): Update. * python/py-inferior.c (inferior_to_inferior_object): Return gdbpy_ref. (python_new_inferior, python_inferior_deleted) (thread_to_thread_object, delete_thread_object) (build_inferior_list, gdbpy_selected_inferior): Update. * python/py-infthread.c (create_thread_object): Update. Also fail if inferior_to_inferior_object fails.
2019-01-02Style improvements in gdb/pythonTom Tromey5-10/+7
This fixes a few minor style issues I found in gdb/python: some unnecessary casts, the removal of an unnecessary local variable, and one instance of incorrect formatting. Tested by rebuilding and re-running gdb.python. gdb/ChangeLog 2019-01-02 Tom Tromey <tom@tromey.com> * python/py-inferior.c (gdbpy_initialize_inferior): Fix indentation. * python/py-frame.c (frapy_older): Remove cast. (frapy_newer): Likewise. * python/py-breakpoint.c (local_setattro): Remove cast. * python/py-arch.c (archpy_name): Remove local variable. * python/py-type.c (gdbpy_lookup_type): Remove cast.
2019-01-01Update copyright year range in all GDB files.Joel Brobecker77-77/+77
This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files.
2018-12-28Add output styles to gdbTom Tromey1-2/+3
This adds some output styling to the CLI. A style is currently a foreground color, a background color, and an intensity (dim or bold). (This list could be expanded depending on terminal capabilities.) A style can be applied while printing. For ui-out, this is done by passing the style constant as an argument. For low-level cases, fprintf_styled and fputs_styled are provided. Users can control the style via a number of new set/show commands. In the interest of not typing many nearly-identical documentation strings, I automated this. On the down side, this is not very i18n-friendly. I've chose some default colors to use. I think it would be good to enable this by default, so that when users start the new gdb, they will see the new feature. Stylizing is done if TERM is set and is not "dumb". This could be improved when the TUI is available by using the curses has_colors call. That is, the lowest layer could call this without committing to using curses everywhere; see my other patch for TUI colorizing. I considered adding a new "set_style" method to ui_file. However, because the implementation had to interact with the pager code, I didn't take this approach. But, one idea might be to put the isatty check there and then have it defer to the lower layers. gdb/ChangeLog 2018-12-28 Tom Tromey <tom@tromey.com> * utils.h (set_output_style, fprintf_styled) (fputs_styled): Declare. * utils.c (applied_style, desired_style): New globals. (emit_style_escape, set_output_style): New function. (prompt_for_continue): Emit style escapes. (fputs_maybe_filtered): Likewise. (fputs_styled, fprintf_styled): New functions. * ui-out.h (enum class ui_out_style_kind): New. (class ui_out) <field_string, field_stream, do_field_string>: Add style parameter. * ui-out.c (ui_out::field_stream, ui_out::field_string): Add style parameter. * tui/tui-out.h (class tui_ui_out) <do_field_string>: Add style parameter. * tui/tui-out.c (tui_ui_out::do_field_string): Add style parameter. (tui_ui_out::do_field_string): Update. * tracepoint.c (print_one_static_tracepoint_marker): Style output. * stack.c (print_frame_info, print_frame): Style output. * source.c (print_source_lines_base): Style output. * skip.c (info_skip_command): Style output. * record-btrace.c (btrace_call_history_src_line): Style output. (btrace_call_history): Likewise. * python/py-framefilter.c (py_print_frame): Style output. * mi/mi-out.h (class mi_ui_out) <do_field_string>: Add style parameter. * mi/mi-out.c (mi_ui_out::do_table_header) (mi_ui_out::do_field_int): Update. (mi_ui_out::do_field_string): Update. * disasm.c (gdb_pretty_print_disassembler::pretty_print_insn): Style output. * cli/cli-style.h: New file. * cli/cli-style.c: New file. * cli-out.h (class cli_ui_out) <do_field_string>: Add style parameter. * cli-out.c (cli_ui_out::do_table_header) (cli_ui_out::do_field_int, cli_ui_out::do_field_skip): Update. (cli_ui_out::do_field_string): Add style parameter. Style the output. * breakpoint.c (print_breakpoint_location): Style output. (update_static_tracepoint): Likewise. * Makefile.in (SUBDIR_CLI_SRCS): Add cli-style.c. (HFILES_NO_SRCDIR): Add cli-style.h. gdb/testsuite/ChangeLog 2018-12-28 Tom Tromey <tom@tromey.com> * gdb.base/style.exp: New file. * gdb.base/style.c: New file.
2018-12-27Translate PyExc_KeyboardInterrupt to gdb "quit"Tom Tromey1-1/+3
A while back I typed "info pretty-printers" with a large number of printers installed, and I typed "q" to stop the pagination. I noticed that gdb printed a Python exception in this case. It seems to me that, instead, quitting pagination (or control-c'ing a Python command generally) should be handled the same way that gdb normally handles a quit. This patch implements this idea by changing gdbpy_handle_exception to treat PyExc_KeyboardInterrupt specially. gdb/ChangeLog 2018-12-27 Tom Tromey <tom@tromey.com> * python/py-utils.c (gdbpy_handle_exception): Translate PyExc_KeyboardInterrupt to quit. gdb/testsuite/ChangeLog 2018-12-27 Tom Tromey <tom@tromey.com> * gdb.python/py-cmd.exp (test_python_inline_or_multiline): Add pagination test.
2018-12-27Consolidate some Python exception-printing functionsTom Tromey4-24/+19
A few places in the Python code would either call gdbpy_print_stack, or throw a gdb "quit", depending on the pending exception. This patch consolidates these into a helper function. gdb/ChangeLog 2018-12-27 Tom Tromey <tom@tromey.com> * python/python-internal.h (gdbpy_print_stack_or_quit): Declare. * python/py-unwind.c (pyuw_sniffer): Use gdbpy_print_stack_or_quit. * python/py-framefilter.c (throw_quit_or_print_exception): Remove. (gdbpy_apply_frame_filter): Use gdbpy_print_stack_or_quit. * python/python.c (gdbpy_print_stack_or_quit): New function.
2018-12-27Use gdbpy_convert_exception in a few more spotsTom Tromey4-12/+4
I noticed a few places were converting a gdb exception to a Python exception "by hand". It's better to use the existing gdbpy_convert_exception helper function, as this handles memory errors correctly, and in the future may be enhanced in other ways. gdb/ChangeLog 2018-12-27 Tom Tromey <tom@tromey.com> * python/py-value.c (convert_value_from_python): Use gdbpy_convert_exception. * python/py-param.c (parmpy_init): Use gdbpy_convert_exception. * python/py-cmd.c (cmdpy_init): Use gdbpy_convert_exception. * python/py-breakpoint.c (bppy_init): Use gdbpy_convert_exception.
2018-12-27Remove more calls to xfree from PythonTom Tromey7-57/+26
This changes the Python code to remove some more calls to xfree, in favor of self-managing data structures. Tested on x86-64 Fedora 28. gdb/ChangeLog 2018-12-27 Tom Tromey <tom@tromey.com> * python/python.c (python_interactive_command): Use std::string. (gdbpy_parameter): Likewise. * python/py-utils.c (unicode_to_encoded_string): Update comment. * python/py-symtab.c (salpy_str): Use PyString_FromFormat. * python/py-record-btrace.c (recpy_bt_insn_data): Use byte_vector. * python/py-objfile.c (objfpy_get_build_id): Use unique_xmalloc_ptr. * python/py-inferior.c (infpy_read_memory): Use unique_xmalloc_ptr. * python/py-cmd.c (gdbpy_parse_command_name): Use std::string.
2018-11-22Avoid find_thread_ptid with null_ptidPedro Alves1-2/+2
With a following patch, find_thread_ptid will first find the inferior for the passed-in ptid, using find_inferior_pid, and then look for the thread in that inferior's thread list. If we pass down null_ptid to find_thread_ptid then that means we'll end up passing 0 to find_inferior_pid, which hits this assertion: > struct inferior * > find_inferior_pid (int pid) > { > struct inferior *inf; > > /* Looking for inferior pid == 0 is always wrong, and indicative of > a bug somewhere else. There may be more than one with pid == 0, > for instance. */ > gdb_assert (pid != 0); This patch prepares for the change, by avoiding passing down null_ptid to find_thread_ptid or to functions that naturally use it, such as the target_pid_to_str call in inferior.c:add_inferior. In that latter case, the patch changes GDB output, from: (gdb) add-inferior [New inferior 2 (process 0)] to: (gdb) add-inferior [New inferior 2] which seems like a good change to me. It might not even make sense to talk about "process" for the current target, for example. The python_on_normal_stop change ends up avoiding looking up the same thread twice (inferior_thread also does a look up). gdb/ChangeLog: 2018-11-22 Pedro Alves <palves@redhat.com> * cli/cli-interp.c (cli_on_user_selected_context_changed): Use inferior_thread instead of find_thread_ptid, and only when inferior_ptid is not null_ptid. * inferior.c (add_inferior): Don't include target_pid_to_str output when the inferior is not started. * python/py-inferior.c (python_on_normal_stop): Don't use find_thread_ptid. (tui_on_user_selected_context_changed): Use inferior_thread instead of find_thread_ptid, and only when inferior_ptid is not null_ptid.
2018-11-21Make command-repeat work after gdb.executeBenno Fünfstück1-1/+2
Since commit 56bcdbea2bed ("Let gdb.execute handle multi-line commands") command repetition after using the `gdb.execute` Python function fails (the previous command is not repeated anymore). This happens because read_command_lines_1 sets dont_repeat, but the call to prevent_dont_repeat in execute_gdb_command is later. The fix is to move the call to prevent_dont_repeat to the beginning of the function. Tested on my laptop (ArchLinux-x86_64). gdb/ChangeLog: PR python/23714 * gdb/python/python.c (execute_gdb_command): Call prevent_dont_repeat earlier to avoid affecting dont_repeat. gdb/testuite/ChangeLog: PR python/23714 * gdb.python/python.exp: Test command repetition after gdb.execute.
2018-11-21invoke_xmethod & array_viewPedro Alves1-23/+17
This replaces more pointer+length with gdb::array_view. This time, around invoke_xmethod, and then propagating the fallout around, which inevitably leaks to the overload resolution code. There are several places in the code that want to grab a slice of an array, by advancing the array pointer, and decreasing the length pointer. This patch introduces a pair of new gdb::array_view::slice(...) methods to make that convenient and clear. Unit test included. gdb/ChangeLog: 2018-11-21 Pedro Alves <palves@redhat.com> * common/array-view.h (array_view::splice(size_type, size_t)): New. (array_view::splice(size_type)): New. * eval.c (eval_call, evaluate_funcall): Adjust to use array_view. * extension.c (xmethod_worker::get_arg_types): Adjust to return an std::vector. (xmethod_worker::get_result_type): Adjust to use gdb::array_view. * extension.h: Include "common/array-view.h". (xmethod_worker::invoke): Adjust to use gdb::array_view. (xmethod_worker::get_arg_types): Adjust to return an std::vector. (xmethod_worker::get_result_type): Adjust to use gdb::array_view. (xmethod_worker::do_get_arg_types): Adjust to use std::vector. (xmethod_worker::do_get_result_type): Adjust to use gdb::array_view. * gdbtypes.c (rank_function): Adjust to use gdb::array_view. * gdbtypes.h: Include "common/array-view.h". (rank_function): Adjust to use gdb::array_view. * python/py-xmethods.c (python_xmethod_worker::invoke) (python_xmethod_worker::do_get_arg_types) (python_xmethod_worker::do_get_result_type) (python_xmethod_worker::invoke): Adjust to new interfaces. * valarith.c (value_user_defined_cpp_op, value_user_defined_op) (value_x_binop, value_x_unop): Adjust to use gdb::array_view. * valops.c (find_overload_match, find_oload_champ_namespace) (find_oload_champ_namespace_loop, find_oload_champ): Adjust to use gdb:array_view and the new xmethod_worker interfaces. * value.c (result_type_of_xmethod, call_xmethod): Adjust to use gdb::array_view. * value.h (find_overload_match, result_type_of_xmethod) (call_xmethod): Adjust to use gdb::array_view. * unittests/array-view-selftests.c: Add slicing tests.
2018-11-21Use gdb:array_view in call_function_by_hand & friendsPedro Alves1-3/+3
This replaces a few uses of pointer+length with gdb::array_view, in call_function_by_hand and related code. Unfortunately, due to -Wnarrowing, there are places where we can't brace-initialize an gdb::array_view without an ugly-ish cast. To avoid the cast, this patch introduces a gdb::make_array_view function. Unit tests included. This patch in isolation may not look so interesting, due to gdb::make_array_view uses, but I think it's still worth it. Some of the gdb::make_array_view calls disappear down the series, and others could be eliminated with more (non-trivial) gdb::array_view detangling/conversion (e.g. code around eval_call). See this as a "we have to start somewhere" patch. gdb/ChangeLog: 2018-11-21 Pedro Alves <palves@redhat.com> * ada-lang.c (ada_evaluate_subexp): Adjust to pass an array_view. * common/array-view.h (make_array_view): New. * compile/compile-object-run.c (compile_object_run): Adjust to pass an array_view. * elfread.c (elf_gnu_ifunc_resolve_addr): Adjust. * eval.c (eval_call): Adjust to pass an array_view. (evaluate_subexp_standard): Adjust to pass an array_view. * gcore.c (call_target_sbrk): Adjust to pass an array_view. * guile/scm-value.c (gdbscm_value_call): Likewise. * infcall.c (push_dummy_code): Replace pointer + size parameters with an array_view parameter. (call_function_by_hand, call_function_by_hand_dummy): Likewise and adjust. * infcall.h: Include "common/array-view.h". (call_function_by_hand, call_function_by_hand_dummy): Replace pointer + size parameters with an array_view parameter. * linux-fork.c (inferior_call_waitpid): Adjust to use array_view. * linux-tdep.c (linux_infcall_mmap): Likewise. * objc-lang.c (lookup_objc_class, lookup_child_selector) (value_nsstring, print_object_command): Likewise. * python/py-value.c (valpy_call): Likewise. * rust-lang.c (rust_evaluate_funcall): Likewise. * spu-tdep.c (flush_ea_cache): Likewise. * valarith.c (value_x_binop, value_x_unop): Likewise. * valops.c (value_allocate_space_in_inferior): Likewise. * unittests/array-view-selftests.c (run_tests): Add gdb::make_array_view test.
2018-11-08Fix output indentation for "info pretty-printers"Tom Tromey1-1/+1
I noticed that "info pretty-printers" will indent the "objfile" line like: (top-gdb) info pretty-printer global pretty-printers: builtin mpx_bound128 objfile /home/tromey/gdb/build/gdb/gdb pretty-printers: type_lookup_function I think the "objfile" line should be "out-dented", following the same style as the "global" and "progspace" (not shown) lines. This patch implements this. gdb/ChangeLog 2018-11-08 Tom Tromey <tom@tromey.com> * python/lib/gdb/command/pretty_printers.py (InfoPrettyPrinter.invoke): Don't indent "objfile" heading.
2018-11-04Return gdbpy_ref from gdbpy_get_varobj_pretty_printerTom Tromey2-16/+14
This changes gdbpy_get_varobj_pretty_printer to return a gdbpy_ref. gdb/ChangeLog 2018-11-04 Tom Tromey <tom@tromey.com> * varobj.c (install_default_visualizer): Update. * python/python-internal.h (gdbpy_get_varobj_pretty_printer): Return gdbpy_ref. * python/py-prettyprint.c (search_pp_list): Return gdbpy_ref. (find_pretty_printer_from_progspace) (find_pretty_printer_from_gdb, find_pretty_printer) (gdbpy_get_varobj_pretty_printer): Return gdbpy_ref. (gdbpy_get_varobj_pretty_printer, gdbpy_default_visualizer): Update.
2018-11-04Return gdbpy_ref from some Python string functionsTom Tromey8-29/+32
This changes python_string_to_unicode, python_string_to_target_python_string, and host_string_to_python_string to return gdbpy_ref. gdb/ChangeLog 2018-11-04 Tom Tromey <tom@tromey.com> * python/python.c (gdbpy_parameter_value): Update. * python/python-internal.h (python_string_to_unicode) (python_string_to_target_python_string) (host_string_to_python_string): Return gdbpy_ref. * python/py-utils.c (python_string_to_unicode) (unicode_to_encoded_python_string) (unicode_to_target_python_string) (python_string_to_target_string) (python_string_to_target_python_string): Return gdbpy_ref. (python_string_to_host_string): Update. (host_string_to_python_string): Return gdbpy_ref. * python/py-symtab.c (stpy_get_filename, stpy_get_producer) (stpy_fullname): Update. * python/py-progspace.c (pspy_get_filename, pspy_solib_name): Update. * python/py-prettyprint.c (print_string_repr): Update. * python/py-objfile.c (objfpy_get_filename, objfpy_get_username) (objfpy_get_build_id): Update. * python/py-breakpoint.c (bppy_get_location) (bppy_get_expression, bppy_get_condition, bppy_get_commands): Update.
2018-11-04Return gdbpy_ref from gdb_py_object_from_*longestTom Tromey6-21/+21
This changes gdb_py_object_from_longest and gdb_py_object_from_ulongest to return a gdbpy_ref rather than a PyObject*. gdb/ChangeLog 2018-11-04 Tom Tromey <tom@tromey.com> * python/python-internal.h (gdb_py_object_from_longest) (gdb_py_object_from_ulongest): Return gdbpy_ref. * python/py-value.c (valpy_int): Update. * python/py-utils.c (gdb_py_object_from_longest): Return gdbpy_ref. (gdb_py_object_from_ulongest): Likewise. * python/py-type.c (typy_get_alignof): Update. * python/py-linetable.c (ltpy_get_all_source_lines) (ltpy_entry_get_line, ltpy_entry_get_pc): Update. * python/py-block.c (blpy_get_start, blpy_get_end): Update.
2018-10-27Add [-q] [-t TYPEREGEXP] [NAMEREGEXP] args to info ↵Philippe Waroquiers1-2/+2
[args|functions|locals|variables] Add [-q] [-t TYPEREGEXP] [NAMEREGEXP] args to info [args|functions|locals|variables] Main changes are: * stack.c: Add two regexp preg and treg to print_variable_and_value_data and used them inside do_print_variable_and_value to filter the variables to print. * symtab.h: Add a new function bool treg_matches_sym_type_name, that factorises type matching logic. * symtab.c: Add type/name matching logic to 'info functions|variables'. * stack.c : Add type/name matching logic to 'info args|locals'. gdb/ChangeLog 2018-10-27 Philippe Waroquiers <philippe.waroquiers@skynet.be> * stack.c (print_variable_and_value_data): Add preg and treg. (print_frame_local_vars): Add quiet, regexp and t_regexp arguments, and update callers. (print_frame_arg_vars): Likewise. (prepare_reg): New function. (info_locals_command): Extract info print args and use them. (info_args_command): Likewise. (_initialize_stack): Modify on-line help. * symtab.c (treg_matches_sym_type_name): New function. (search_symbols): New arg t_regexp. (symtab_symbol_info): New args quiet, regexp, t_regexp. (info_variables_command): Extract info print args and use them. (info_functions_command): Likewise. (info_types_command): Update call to symtab_symbol_info. (_initialize_symtab): Modify on-line help. * symtab.h (treg_matches_sym_type_name): New function. (search_symbols): New t_regexp arg.
2018-10-25gdb/python: Make convert_values_to_python return gdbpy_ref<>Andrew Burgess1-3/+6
Make convert_values_to_python return a gdbpy_ref<> directly rather than building a gdbpy_ref<>, releasing it, and then having a new gdbpy_ref<> created to hold the result. I also added a header comment to convert_values_to_python. gdb/ChangeLog: * python/py-function.c (convert_values_to_python): Return gdbpy_ref<>. Add header comment. (fnpy_call): Adjust.