binutils-gdb

Commit Graph

Author	SHA1	Message	Date
Tom Tromey	30a7bb833c	Fix some error-handling bugs in python frame filters While writing a Python frame filter, I found a few bugs in the current frame filter code. In particular: * One spot converts a Python long to a CORE_ADDR using PyLong_AsLong. However, this can fail on overflow. I changed this to use get_addr_from_python. * Another spot is doing the same but with PyLong_AsUnsignedLongLong; I changed this as well just for consistency. * Converting line numbers can print "-1" if conversion from long fails. This isn't fatal but just a bit ugly. I've included a test case for the first issue. The line number one didn't seem important enough to bother with. 2016-11-08 Tom Tromey <tom@tromey.com> * python/py-framefilter.c (py_print_frame): Use get_addr_from_python. Check for errors when getting line number. 2016-11-08 Tom Tromey <tom@tromey.com> * gdb.python/py-framefilter.py (ElidingFrameDecorator.address): New method.	10 years ago
Pedro Alves	2f408ecb92	Use ui_file_as_string throughout more This replaces most of the remaining ui_file_xstrdup calls with ui_file_as_string calls. Whenever a call was replaced, that led to a cascade of other necessary adjustments throughout, to make the code use std::string instead of raw pointers. And then whenever I added a std::string as member of a struct, I needed to adjust allocation/destruction of said struct to use new/delete instead of xmalloc/xfree. The stopping point was once gdb built again. These doesn't seem to be a way to reasonably split this out further. Maybe-not-obvious changes: - demangle_for_lookup returns a cleanup today. To get rid of that, and avoid unnecessary string dupping/copying, this introduces a demangle_result_storage type that the caller instantiates and passes to demangle_for_lookup. - Many methods returned a "char " to indicate that the caller owns the memory and must free it. Those are switched to return a std::string instead. Methods that return a "view" into some internal string return a "const char " instead. I.e., we only copy/allocate when necessary. gdb/ChangeLog: 2016-11-08 Pedro Alves <palves@redhat.com> * ada-lang.c (ada_name_for_lookup, type_as_string): Use and return std::string. (type_as_string_and_cleanup): Delete. (ada_lookup_struct_elt_type): Use type_as_string. * ada-lang.h (ada_name_for_lookup): Now returns std::string. * ada-varobj.c (ada_varobj_scalar_image): Return a std::string. (ada_varobj_describe_child): Make 'child_name' and 'child_path_expr' parameters std::string pointers. (ada_varobj_describe_struct_child, ada_varobj_describe_ptr_child): Likewise, and use string_printf. (ada_varobj_describe_simple_array_child) (ada_varobj_describe_child): Likewise. (ada_varobj_get_name_of_child, ada_varobj_get_path_expr_of_child) (ada_varobj_get_value_image) (ada_varobj_get_value_of_array_variable) (ada_varobj_get_value_of_variable, ada_name_of_variable) (ada_name_of_child, ada_path_expr_of_child) (ada_value_of_variable): Now returns std::string. Use string_printf. (ada_value_of_child): Adjust. * break-catch-throw.c (check_status_exception_catchpoint): Adjust to use std::string. * breakpoint.c (watch_command_1): Adjust to use std::string. * c-lang.c (c_get_string): Adjust to use std::string. * c-typeprint.c (print_name_maybe_canonical): Use std::string. * c-varobj.c (varobj_is_anonymous_child): Use ==/!= std::string operators. (c_name_of_variable): Now returns a std::string. (c_describe_child): The 'cname' and 'cfull_expression' output parameters are now std::string pointers. Adjust. (c_name_of_child, c_path_expr_of_child, c_value_of_variable) (cplus_number_of_children): Adjust to use std::string and string_printf. (cplus_name_of_variable): Now returns a std::string. (cplus_describe_child): The 'cname' and 'cfull_expression' output parameters are now std::string pointers. Adjust. (cplus_name_of_child, cplus_path_expr_of_child) (cplus_value_of_variable): Now returns a std::string. * cp-abi.c (cplus_typename_from_type_info): Return std::string. * cp-abi.h (cplus_typename_from_type_info): Return std::string. (struct cp_abi_ops) <get_typename_from_type_info>: Return std::string. * cp-support.c (inspect_type): Use std::string. (cp_canonicalize_string_full, cp_canonicalize_string_no_typedefs) (cp_canonicalize_string): Return std::string and adjust. * cp-support.h (cp_canonicalize_string) (cp_canonicalize_string_no_typedefs, cp_canonicalize_string_full): Return std::string. * dbxread.c (read_dbx_symtab): Use std::string. * dwarf2read.c (dwarf2_canonicalize_name): Adjust to use std::string. * gdbcmd.h (lookup_struct_elt_type): Adjust to use std::string. * gnu-v3-abi.c (gnuv3_get_typeid): Use std::string. (gnuv3_get_typename_from_type_info): Return a std::string and adjust. (gnuv3_get_type_from_type_info): Adjust to use std::string. * guile/guile.c (gdbscm_execute_gdb_command): Adjust to use std::string. * infcmd.c (print_return_value_1): Adjust to use std::string. * linespec.c (find_linespec_symbols): Adjust to demangle_for_lookup API change. Use std::string. * mi/mi-cmd-var.c (print_varobj, mi_cmd_var_set_format) (mi_cmd_var_info_type, mi_cmd_var_info_path_expression) (mi_cmd_var_info_expression, mi_cmd_var_evaluate_expression) (mi_cmd_var_assign, varobj_update_one): Adjust to use std::string. * minsyms.c (lookup_minimal_symbol): Use std::string. * python/py-varobj.c (py_varobj_iter_next): Use new instead of XNEW. vitem->name is a std::string now, adjust. * rust-exp.y (convert_ast_to_type, convert_name): Adjust to use std::string. * stabsread.c (define_symbol): Adjust to use std::string. * symtab.c (demangle_for_lookup): Now returns 'const char '. Add a demangle_result_storage parameter. Use it for storage. (lookup_symbol_in_language) (lookup_symbol_in_objfile_from_linkage_name): Adjust to new demangle_for_lookup API. symtab.h (struct demangle_result_storage): New type. (demangle_for_lookup): Now returns 'const char '. Add a demangle_result_storage parameter. typeprint.c (type_to_string): Return std::string and use ui_file_as_string. * value.h (type_to_string): Change return type to std::string. * varobj-iter.h (struct varobj_item) <name>: Now a std::string. (varobj_iter_delete): Use delete instead of xfree. * varobj.c (create_child): Return std::string instead of char * in output parameter. (name_of_variable, name_of_child, my_value_of_variable): Return std::string instead of char . (varobj_create, varobj_get_handle): Constify 'objname' parameter. Adjust to std::string fields. (varobj_get_objname): Return a const char instead of a char . (varobj_get_expression): Return a std::string. (varobj_list_children): Adjust to use std::string. (varobj_get_type): Return a std::string. (varobj_get_path_expr): Return a const char instead of a char . Adjust to std::string fields. (varobj_get_formatted_value, varobj_get_value): Return a std::string. (varobj_set_value): Change type of 'expression' parameter to std::string. Use std::string. (install_new_value): Use std::string. (delete_variable_1): Adjust to use std::string. (create_child): Change the 'name' parameter to a std::string reference. Swap it into the new item's name. (create_child_with_value): Swap item's name into the new child's name. Use string_printf. (new_variable): Use new instead of XNEW. (free_variable): Don't xfree fields that are now std::string. (name_of_variable, name_of_child): Now returns std::string. (value_of_root): Adjust to use std::string. (my_value_of_variable, varobj_value_get_print_value): Return and use std::string. (varobj_value_get_print_value): Adjust to use ui_file_as_string and std::string. varobj.h (struct varobj) <name, path_expr, obj_name, print_value>: Now std::string's. <name_of_variable, name_of_child, path_expr_of_child, value_of_variable>: Return std::string. (varobj_create, varobj_get_handle): Constify 'objname' parameter. (varobj_get_objname): Return a const char * instead of a char . (varobj_get_expression, varobj_get_type): Return a std::string. (varobj_get_path_expr): Return a const char instead of a char *. (varobj_get_formatted_value, varobj_get_value): Return a std::string. (varobj_set_value): Constify 'expression' parameter. (varobj_value_get_print_value): Return a std::string.	10 years ago
Pedro Alves	c92aed165e	Use ui_file_as_string in gdb/python/ gdb/ChangeLog: 2016-11-08 Pedro Alves <palves@redhat.com> * python/py-arch.c (archpy_disassemble): Use ui_file_as_string and std::string. * python/py-breakpoint.c (bppy_get_commands): Use ui_file_as_string and std::string. * python/py-frame.c (frapy_str): Likewise. * python/py-type.c (typy_str): Likewise. * python/py-unwind.c (unwind_infopy_str): Likewise. * python/py-value.c (valpy_str): Likewise.	10 years ago
Pedro Alves	db1ec11fff	Use ui_file_as_string in execute_command_to_string ... and then return std::string and adjust all callers. gdb/ChangeLog: 2016-11-08 Pedro Alves <palves@redhat.com> * gdbcmd.h (execute_command_to_string): Now returns std::string. (lookup_struct_elt_type): Adjust to use std::string. * top.c (execute_command_to_string): Use ui_file_as_string and return std::string. * guile/guile.c (gdbscm_execute_gdb_command): Adjust to use std::string. * python/python.c (execute_gdb_command): Adjust to use std::string.	10 years ago
Doug Evans	5996220cfa	Fix ext lang calls to value_struct_elt. gdb/ChangeLog: * guile/scm-value.c (gdbscm_value_field): Fix call to value_struct_elt. * python/py-value.c (valpy_getitem): Ditto.	10 years ago
Doug Evans	bc71081e53	python/py-unwind.c (unwind_infopy_str): Fix use of VEC_iterate. gdb/ChangeLog: * python/py-unwind.c (unwind_infopy_str): Fix use of VEC_iterate.	10 years ago
Pedro Alves	b15cc25cbe	Make symfile_add_flags and objfile->flags strongly typed This makes these flag types be "enum flag" types. The benefit is making use of C++'s stronger typing -- mixing the flags types by mistake errors at compile time. This caught one old bug in symbol_file_add_main_1 already, fixed by this patch as well: @@ -1318,7 +1326,7 @@ symbol_file_add_main_1 (const char args, int from_tty, int flags) what is frameless. / reinit_frame_cache (); - if ((flags & SYMFILE_NO_READ) == 0) + if ((add_flags & SYMFILE_NO_READ) == 0) set_initial_language (); } Above, "flags" are objfile flags, not symfile_add_flags. So that was actually checking for "flag & OBJF_PSYMTABS_READ", which has the same value as SYMFILE_NO_READ... I moved the flags definitions to separate files to break circular dependencies. Built with --enable-targets=all and tested on x86-64 Fedora 23. gdb/ChangeLog: 2016-10-26 Pedro Alves <palves@redhat.com> * coffread.c (coff_symfile_read): Use symfile_add_flags. * dbxread.c (dbx_symfile_read): Ditto. * elfread.c (elf_symfile_read): Ditto. * inferior.h: Include symfile-add-flags.h. (struct inferior) <symfile_flags>: Now symfile_add_flags. * machoread.c (macho_add_oso_symfile, macho_symfile_read_all_oso) (macho_symfile_read, mipscoff_symfile_read): Use symfile_add_flags. * objfile-flags.h: New file. * objfiles.c (allocate_objfile): Use objfile_flags. * objfiles.h: Include objfile-flags.h. (struct objfile) <flags>: Now an objfile_flags. (OBJF_REORDERED, OBJF_SHARED, OBJF_READNOW, OBJF_USERLOADED) (OBJF_PSYMTABS_READ, OBJF_MAINLINE, OBJF_NOT_FILENAME): Delete. Converted to an enum-flags in objfile-flags.h. (allocate_objfile): Use objfile_flags. * python/py-objfile.c (objfpy_add_separate_debug_file): Remove unnecessary local. * solib.c (solib_read_symbols, solib_add) (reload_shared_libraries_1): Use symfile_add_flags. * solib.h: Include "symfile-add-flags.h". (solib_read_symbols): Use symfile_add_flags. * symfile-add-flags.h: New file. * symfile-debug.c (debug_sym_read): Use symfile_add_flags. * symfile-mem.c (symbol_file_add_from_memory): Use symfile_add_flags. * symfile.c (read_symbols, syms_from_objfile_1) (syms_from_objfile, finish_new_objfile): Use symfile_add_flags. (symbol_file_add_with_addrs): Use symfile_add_flags and objfile_flags. (symbol_file_add_separate): Use symfile_add_flags. (symbol_file_add_from_bfd, symbol_file_add): Use symfile_add_flags and objfile_flags. (symbol_file_add_main_1): : Use objfile_flags. Fix add_flags vs flags confusion. (symbol_file_command): Use objfile_flags. (add_symbol_file_command): Use symfile_add_flags and objfile_flags. (clear_symtab_users): Use symfile_add_flags. * symfile.h: Include "symfile-add-flags.h" and "objfile-flags.h". (struct sym_fns) <sym_read>: Use symfile_add_flags. (clear_symtab_users): Use symfile_add_flags. (enum symfile_add_flags): Delete, moved to symfile-add-flags.h and converted to enum-flags. (symbol_file_add, symbol_file_add_from_bfd) (symbol_file_add_separate): Use symfile_add_flags. * xcoffread.c (xcoff_initial_scan): Use symfile_add_flags.	10 years ago
Tom Tromey	67ad9399e2	Remove make_cleanup_restore_current_uiout This removes make_cleanup_restore_current_uiout in favor of an RAII-based class. 2016-10-21 Tom Tromey <tom@tromey.com> * stack.c (print_stack_frame_to_uiout): Use scoped_restore. * ui-out.c (make_cleanup_restore_current_uiout) (restore_current_uiout_cleanup): Remove. * infrun.c (print_stop_event): Use scoped_restore. * ui-out.h (make_cleanup_restore_current_uiout): Don't declare.	10 years ago
Tom Tromey	b7b633e9b1	Use RAII to save and restore scalars This patch replaces many (but not all) uses of make_cleanup_restore_integer with a simple RAII-based template class. It also removes the similar restore_execution_direction cleanup in favor of this new class. Subsequent patches will replace other similar cleanups with this class. The class is typically instantiated using make_scoped_restore. This allows for template argument deduction. 2016-10-21 Tom Tromey <tom@tromey.com> * common/scoped_restore.h: New file. * utils.h: Include scoped_restore.h. * top.c (execute_command_to_string): Use scoped_restore. * python/python.c (python_interactive_command): Use scoped_restore. (python_command, execute_gdb_command): Likewise. * printcmd.c (do_one_display): Use scoped_restore. * mi/mi-main.c (exec_continue): Use scoped_restore. * mi/mi-cmd-var.c (mi_cmd_var_assign): Use scoped_restore. * linux-fork.c (checkpoint_command): Use scoped_restore. * infrun.c (restore_execution_direction): Remove. (fetch_inferior_event): Use scoped_restore. * compile/compile.c (compile_file_command): Use scoped_restore. (compile_code_command, compile_print_command): Likewise. * cli/cli-script.c (execute_user_command): Use scoped_restore. (while_command, if_command, script_from_file): Likewise. * arm-tdep.c (arm_insert_single_step_breakpoint): Use scoped_restore.	10 years ago
Markus Metzger	68dadef54c	python: accept address and explicit locations in gdb.decode_line The gdb.decode_line python function is documented to support the same location expressions as the "break" command. It currently expects a linespec location. Instead of creating a linespec location directly, create the location via string_to_event_location_basic.	10 years ago
Doug Evans	33fa2c6e1b	Fix gdb.Value->python conversion for large unsigned ints. gdb/ChangeLog: * python/py-value.c (valpy_long): Handle unsigned values. gdb/testsuite/ChangeLog: * gdb.python/py-value.exp (test_value_creation): Add test for large unsigned 64-bit value.	10 years ago
Tom Tromey	12c58cd4dc	Avoid -Wduplicated-cond warnings in gdb/python I tried building gdb with -Wduplicated-cond. This patch fixes the simpler issue that was found. In Python 3, "int" and "long" are synonyms, so code like: else if (PyLong_Check (obj)) ... else if (PyInt_Check (obj)) .... will trigger this warning. The fix is to conditionalize the PyInt_Check branches on Python 2. Tested by rebuilding, with both version of Python, on x86-64 Fedora 24. 2016-09-20 Tom Tromey <tom@tromey.com> * python/py-value.c (convert_value_from_python): Make PyInt_Check conditional on Python 2. * python/py-arch.c (archpy_disassemble): Make PyInt_Check conditional on Python 2.	10 years ago
Simon Marchi	cd94f6d535	Introduce cleanup to restore current_uiout Make a globally available cleanup from a pre-existing one in infrun.c. This is used in a following patch. gdb/ChangeLog: * infrun.c (restore_current_uiout_cleanup): Move to ui-out.c. (print_stop_event): Use make_cleanup_restore_current_uiout. * python/python.c (execute_gdb_command): Likewise. * ui-out.c (restore_current_uiout_cleanup): Move from infrun.c. (make_cleanup_restore_current_uiout): New function definition. * ui-out.h (make_cleanup_restore_current_uiout): New function declaration. * utils.c (do_restore_ui_out): Remove. (make_cleanup_restore_ui_out): Remove. * utils.h (make_cleanup_restore_ui_out): Remove.	10 years ago
Tom Tromey	282a0691a7	PR python/18565 - make Frame.function work for inline frames PR python/18565 notes that calling frame filters don't work properly for inlined functions. This happens because Frame.function on an inline frame will yield the wrong result. This patch changes this code to use find_frame_funname instead, which handles inline frames properly. Built and regtested on x86-64 Fedora 24. 2016-08-03 Tom Tromey <tom@tromey.com> PR python/18565: * python/py-frame.c (frapy_function): Use find_frame_funname. 2016-08-03 Tom Tromey <tom@tromey.com> PR python/18565: * gdb.python/py-frame-inline.exp: Add Frame.function test.	10 years ago
Tom Tromey	7f131b3997	Add missing newline to py-breakpoint.c In https://sourceware.org/ml/gdb-patches/2016-07/msg00152.html, Yao noted that a patch of mine was missing a newline. I thought I had fixed this but when looking today I realized it was not fixed. This patch adds it. I'm checking this in as obvious. 2016-07-14 Tom Tromey <tom@tromey.com> * python/py-breakpoint.c (gdbpy_breakpoint_deleted): Add missing newline.	10 years ago
Tom Tromey	78cc6c2d9a	Remove unused variables This patch removes set-but-unused variables. This holds all the removals I consider to be simple and relatively uncontroversial. 2016-07-14 Tom Tromey <tom@tromey.com> * mips-tdep.c (micromips_scan_prologue): Remove "frame_addr". (mips_o32_push_dummy_call): Remove "stack_used_p". * aarch64-tdep.c (aarch64_record_data_proc_imm): Remove "insn_bit28". * rust-lang.c (rust_print_type): Remove "len". * rust-exp.y (super_name): Remove "current_len". * python/py-framefilter.c (py_print_type): Remove "type". * mdebugread.c (parse_partial_symbols): Remove "past_first_source_file". <N_SO>: Remove "valu", "first_so_symnum", "prev_textlow_not_set". * m2-valprint.c (m2_print_unbounded_array): Remove "content_type". (m2_val_print): Remove "i". * linespec.c (unexpected_linespec_error): Remove "cleanup". * f-valprint.c (f_val_print): Remove "i". * elfread.c (elf_symtab_read): Remove "offset". * dwarf2-frame.c (dwarf2_fetch_cfa_info): Remove "addr_size". * jit.c (jit_dealloc_cache): Remove "i" and "frame_arch".	10 years ago
Tom Tromey	dac790e1b9	PR python/15620, PR python/18620 - breakpoint events in Python This patch adds some breakpoint events to Python. In particular, there is a creation event that is emitted when a breakpoint is created; a modification event that is emitted when a breakpoint changes somehow; and a deletion event that is emitted when a breakpoint is deleted. In this patch, the event's payload is the breakpoint itself. I considered making a new event type to hold the breakpoint, but I didn't see a need. Still, I thought I would mention this as a spot where some other choice is possible. Built and regtested on x86-64 Fedora 23. 2016-07-13 Tom Tromey <tom@tromey.com> PR python/15620, PR python/18620: * python/py-evts.c (gdbpy_initialize_py_events): Call add_new_registry for new events. * python/py-events.h (events_object) <breakpoint_created, breakpoint_deleted, breakpoint_modified>: New fields. * python/py-breakpoint.c (gdbpy_breakpoint_created): Emit the breakpoint changed event. (gdbpy_breakpoint_deleted): Emit the breakpoint deleted event. (gdbpy_breakpoint_modified): New function. (gdbpy_initialize_breakpoints): Attach to the breakpoint modified observer. 2016-07-13 Tom Tromey <tom@tromey.com> PR python/15620, PR python/18620: * python.texi (Events In Python): Document new breakpoint events. 2016-07-13 Tom Tromey <tom@tromey.com> PR python/15620, PR python/18620: * gdb.python/py-breakpoint.exp (connect_event, check_last_event) (test_bkpt_events): New procs.	11 years ago
Tom Tromey	93daf339a4	PR python/17698 - add Breakpoint.pending This patch adds a "pending" attribute to gdb.Breakpoint. Built and regtested on x86-64 Fedora 23. 2016-07-13 Tom Tromey <tom@tromey.com> PR python/17698: * NEWS: Update. * python/py-breakpoint.c (bppy_get_pending): New function. (breakpoint_object_getset): Add entry for "pending". * breakpoint.h (pending_breakpoint_p): Declare. * breakpoint.c (pending_breakpoint_p): New function. 2016-07-13 Tom Tromey <tom@tromey.com> PR python/17698: * python.texi (Breakpoints In Python): Document Breakpoint.pending. 2016-07-13 Tom Tromey <tom@tromey.com> PR python/17698: * gdb.python/py-breakpoint.exp (test_bkpt_basic): Add "pending" test. (test_watchpoints): Likewise. (test_bkpt_pending): New proc.	10 years ago
Tom Tromey	43684a7b84	use user_breakpoint_p in python code I noticed that bppy_get_visibility and gdbpy_breakpoint_created implemented their own visibility checks, but subtly different from user_breakpoint_p. I think the latter is more correct, and so changed the Python code to use it. I suspect there isn't a decent way to test this, so no new test. Built and regtested on x86-64 Fedora 23. 2016-07-13 Tom Tromey <tom@tromey.com> * python/py-breakpoint.c (bppy_get_visibility) (gdbpy_breakpoint_created): Use user_breakpoint_p.	10 years ago
Tom Tromey	e0f3fd7c44	PR python/19293 - invalidate frame cache when unwinders change PR python/19293 notes that when a Python unwinder is disabled, the frame cache is not invalidated. This means that disabling an unwinder doesn't have any immediate effect -- but in my experience it's often the case that I want to enable or disable an unwinder in order to see what happens. This patch adds a new gdb.invalidate_cached_frames function and arranges for the relevant bits of library code to call it. I've only partially documented this function, considering a warning sufficient without going into all the reasons ordinary code should not call it. The name of the new function was taken from a comment in frame.h next to reinit_frame_cache. No new test as I think the updates to the existing test are sufficient to show that the code is working as intended. Built and regtested on x86-64 Fedora 23. 2016-07-12 Tom Tromey <tom@tromey.com> PR python/19293: * python/lib/gdb/command/unwinders.py (do_enable_unwinder): Call gdb.invalidate_cached_frames. * python/lib/gdb/unwinder.py (register_unwinder): Call gdb.invalidate_cached_frames. * python/python.c (gdbpy_invalidate_cached_frames): New function. (python_GdbMethods): Add entry for invalidate_cached_frames. 2016-07-12 Tom Tromey <tom@tromey.com> PR python/19293: * python.texi (Frames In Python): Document gdb.invalidate_cached_frames. 2016-07-12 Tom Tromey <tom@tromey.com> PR python/19293: * gdb.python/py-unwind-maint.exp: Update tests.	10 years ago
Tom Tromey	803b47e5d4	Fix PR python/20129 - use of non-existing variable PR python/20129 concerns the error message one gets from a command like "disable frame-filter global NoSuchFilter". Currently this throws a second, unexpected, exception due to the use of a non-existing variable named "name". This patch adds regression tests and fixes a couple of spots to use the correct variable name. Built and regtested on x86-64 Fedora 23. 2016-06-29 Tom Tromey <tom@tromey.com> PR python/20129: * python/lib/gdb/command/frame_filters.py (_do_enable_frame_filter) (SetFrameFilterPriority._set_filter_priority): Use "frame_filter", not "name". 2016-06-29 Tom Tromey <tom@tromey.com> PR python/20129: * gdb.python/py-framefilter.exp: Add tests for setting priority and disabling of non-existent frame filter.	10 years ago
Pierre-Marie de Rodat	f495252396	Fix use of a dangling pointer for Python breakpoint objects When a Python script tries to create a breakpoint but fails to do so, gdb.Breakpoint.__init__ raises an exception and the breakpoint does not exist anymore in the Python interpreter. However, GDB still keeps a reference to the Python object to be used for a later hook, which is wrong. This commit adds the necessary cleanup code so that there is no stale reference to this Python object. It also adds a new testcase to reproduce the bug and check the fix. 2016-06-25 Pierre-Marie de Rodat <derodat@adacore.com> gdb/ * python/py-breakpoint.c (bppy_init): Clear bppy_pending_object when there is an error during the breakpoint creation. gdb/testsuite * gdb.python/py-breakpoint-create-fail.c, gdb.python/py-breakpoint-create-fail.exp, gdb.python/py-breakpoint-create-fail.py: New testcase.	10 years ago
David Taylor	6b8505468e	Support structure offsets that are 512K or larger. GDB computes structure byte offsets using a 32 bit integer. And, first it computes the offset in bits and then converts to bytes. The result is that any offset that if 512K bytes or larger overflows. This patch changes GDB to use LONGEST for such calculations. PR gdb/17520 Structure offset wrong when 1/4 GB or greater. * c-lang.h: Change all parameters, variables, and struct or union members used as struct or union fie3ld offsets from int to LONGEST. * c-valprint.c: Likewise. * cp-abi.c: Likewise. * cp-abi.h: Likewise. * cp-valprint.c: Likewise. * d-valprint.c: Likewise. * dwarf2loc.c: Likewise. * eval.c: Likewise. * extension-priv.h: Likewise. * extension.c: Likewise. * extension.h: Likewise. * findvar.c: Likewise. * gdbtypes.h: Likewise. * gnu-v2-abi.c: Likewise. * gnu-v3-abi.c: Likewise. * go-valprint.c: Likewise. * guile/guile-internal.h: Likewise. * guile/scm-pretty-print.c: Likewise. * jv-valprint.c Likewise. * opencl-lang.c: Likewise. * p-lang.h: Likewise. * python/py-prettyprint.c: Likewise. * python/python-internal.h: Likewise. * spu-tdep.c: Likewise. * typeprint.c: Likewise. * valarith.c: Likewise. * valops.c: Likewise. * valprint.c: Likewise. * valprint.h: Likewise. * value.c: Likewise. * value.h: Likewise. * p-valprint.c: Likewise. * c-typeprint.c (c_type_print_base): When printing offset, use plongest, not %d. * gdbtypes.c (recursive_dump_type): Ditto.	10 years ago
Tom Tromey	0c72ed4ca2	Make gdbpy_parameter static While working on the next patch in this series, I noticed that gdbpy_parameter did not need to be exported. This makes it "static". 2016-06-23 Tom Tromey <tom@tromey.com> * python/python.c (gdbpy_parameter): Now static. * python/python-internal.h (gdbpy_parameter): Don't declare.	10 years ago
Tom Tromey	17621150cc	PR gdb/16483 - simplify "info frame-filters" output PR gdb/16483 notes that the output of "info frame-filters" is quite voluminous. In particular it prints an entry for each objfile, even if only to say that the objfile does not have any associated frame filters. I think it's better to only print output when there is a frame filter. There's nothing worth doing with the no-frame-filter information, and limiting the output makes it much more readable. Built and regtested on x86-64 Fedora 23. 2016-06-23 Tom Tromey <tom@tromey.com> PR gdb/16483: * python/lib/gdb/command/frame_filters.py (InfoFrameFilter.list_frame_filters): Rename to print_list. Print nothing if no filters found. Return value indicating whether filters were printed. (InfoFrameFilter.print_list): Remove. (InfoFrameFilter.invoke): Print message if no frame filters found. 2016-06-23 Tom Tromey <tom@tromey.com> PR gdb/16483: * gdb.python/py-framefilter.exp: Add "info frame-filter" test before any filters are loaded.	10 years ago
Pedro Alves	f38d3ad186	Make instream be per UI gdb/ChangeLog: 2016-06-21 Pedro Alves <palves@redhat.com> * cli/cli-script.c (execute_user_command, read_next_line) (read_next_line): Adjust to per-UI instream. * event-top.c (stdin_event_handler, command_handler) (handle_line_of_input, command_line_handler) (gdb_readline_no_editing_callback, async_sigterm_handler) (gdb_setup_readline): Likewise. * inflow.c: Include top.h. (gdb_has_a_terminal, child_terminal_init_with_pgrp) (gdb_save_tty_state, child_terminal_inferior) (child_terminal_ours_1, copy_terminal_info): Use the main UI. (initialize_stdin_serial): Adjust to per-UI instream. * main.c (captured_command_loop, captured_main): Adjust to per-UI instream. * mi/mi-interp.c (mi_execute_command_wrapper): Likewise. * python/python.c (python_interactive_command): Likewise. * terminal.h (struct ui): Forward declare. (initialize_stdin_serial): Add struct ui parameter. * top.c (instream): Delete. (do_restore_instream_cleanup, read_command_file, dont_repeat) (gdb_readline_no_editing, command_line_input) (input_from_terminal_p, gdb_init): Adjust to per-UI instream. * top.h (struct ui) <instream>: New field. (instream): Delete declaration. (quit): Adjust to per-UI instream. gdb/testsuite/ChangeLog: 2016-06-21 Pedro Alves <palves@redhat.com> * gdb.gdb/selftest.exp (do_steps_and_nexts): Add new regexp.	10 years ago
Pedro Alves	8322445e05	Introduce interpreter factories If every UI instance has its own set of interpreters, then the current scheme of creating the interpreters at GDB initialization time no longer works. We need to create them whenever a new UI instance is created. The scheme implemented here has each interpreter register a factory callback that when called creates a new instance of a specific interpreter type. Then, when some code in gdb looks up an interpreter (always by name), if there's none yet, the factory method is called to construct one. gdb/ChangeLog: 2016-06-21 Pedro Alves <palves@redhat.com> * cli/cli-interp.c (cli_uiout): Delete, moved into ... (struct cli_interp): ... this new structure. (cli_on_normal_stop, cli_on_signal_received) (cli_on_end_stepping_range, cli_on_signal_exited, cli_on_exited) (cli_on_no_history): Use interp_ui_out. (cli_interpreter_init): If top level, set the cli_interp global. (cli_interpreter_init): Return the interp's data instead of NULL. (cli_interpreter_resume, cli_interpreter_exec, cli_ui_out): Adjust to cli_uiout being in the interpreter's data. (cli_interp_procs): New, factored out from _initialize_cli_interp. (cli_interp_factory): New function. (_initialize_cli_interp): Call interp_factory_register. * interps.c (get_interp_info): New, factored out from ... (get_current_interp_info): ... this. (interp_new): Add parameter 'data'. Store it. (struct interp_factory): New function. (interp_factory_p): New typedef. Define a VEC_P. (interpreter_factories): New global. (interp_factory_register): New function. (interp_add): Add 'ui' parameter. Use get_interp_info and interp_lookup_existing. (interp_lookup): Rename to ... (interp_lookup_existing): ... this. Add 'ui' parameter. Don't check for NULL or empty name here. (interp_lookup): Add 'ui' parameter and reimplement. (interp_set_temp, interpreter_exec_cmd): Adjust. (interpreter_completer): Complete on registered interpreter factories instead of interpreters. * interps.h (interp_factory_func): New typedef. (interp_factory_register): Declare. (interp_new, interp_add): Adjust. (interp_lookup): Declare. * main.c (captured_main): Adjust. * mi/mi-interp.c (mi_cmd_interpreter_exec): Adjust. (mi_interp_procs): New, factored out from _initialize_mi_interp. (mi_interp_factory): New function. * python/python.c (execute_gdb_command): Adjust. * tui/tui-interp.c (tui_init): If top level, set the tui_interp global. (tui_interp_procs): New. (tui_interp_factory): New function. (_initialize_tui_interp): Call interp_factory_register.	10 years ago
Pedro Alves	cb81451067	Make the interpreters be per UI Make each UI have its own interpreter list, top level interpreter, current interpreter, etc. The "interpreter_async" global is not really specific to an struct interp (it crosses interpreter-exec ...), so I moved it to "struct ui" directly, while the other globals were left hidden in interps.c, opaque to the rest of GDB. gdb/ChangeLog: 2016-06-21 Pedro Alves <palves@redhat.com> * breakpoint.c (bpstat_do_actions_1): Access the current UI's async field instead of the interpreter_async global. * cli/cli-script.c (execute_user_command, while_command) (if_command, script_from_file): Likewise. * compile/compile.c: Include top.h instead of interps.h. (compile_file_command, compile_code_command) (compile_print_command): Access the current UI's async field instead of the interpreter_async global. * guile/guile.c: Include top.h instead of interps.h. (guile_repl_command, guile_command, gdbscm_execute_gdb_command): Access the current UI's async field instead of the interpreter_async global. * guile/scm-ports.c: Include top.h instead of interps.h. (ioscm_with_output_to_port_worker): Access the current UI's async field instead of the interpreter_async global. * inf-loop.c (inferior_event_handler): Likewise. * infcall.c (run_inferior_call): Likewise. * infrun.c (reinstall_readline_callback_handler_cleanup) (fetch_inferior_event): Likewise. * interps.c (interpreter_async): Delete. (struct ui_interp_info): New. (get_current_interp_info): New function. (interp_list, current_interpreter, top_level_interpreter_ptr): Delete. (interp_add, interp_set, interp_lookup, interp_ui_out) (current_interp_set_logging, interp_set_temp) (current_interp_named_p): Adjust to per-UI interpreters. (command_interpreter): Delete. (command_interp, current_interp_command_loop, interp_quiet_p) (interp_exec, interpreter_exec_cmd, interpreter_completer) (top_level_interpreter, top_level_interpreter_data): Adjust to per-UI interpreters. * interps.h (interpreter_async): Delete. * main.c (captured_command_loop): Access the current UI's async field instead of the interpreter_async global. * python/python.c (python_interactive_command, python_command) (execute_gdb_command): Likewise. * top.c (maybe_wait_sync_command_done, execute_command_to_string): Access the current UI's async field instead of the interpreter_async global. * top.h (struct tl_interp_info): Forward declare. (struct ui) <interp_info, async>: New fields.	10 years ago
Tom Tromey	4dee35314b	PR python/19819 - remove unused globals from py-xmethods.c PR python/19819 concerns some unused global variables in py-xmethods.c. This patch deletes the unused globals. Tested by rebuilding. 2016-06-09 Tom Tromey <tom@tromey.com> PR python/19819: * python/py-xmethods.c (invoke_method_name) (py_get_result_type_method_name, py_invoke_method_name): Remove. (gdbpy_initialize_xmethods): Don't initialize py_invoke_method_name, py_get_result_type_method_name.	10 years ago
Tom Tromey	1b40ec0559	Fix PR python/18984 This fixes PR python/18984. The bug is that gdbpy_solib_name uses GDB_PY_LL_ARG, whereas it should use GDB_PY_LLU_ARG to avoid overflow. Built and tested on x86-64 Fedora 23. 2016-06-02 Tom Tromey <tom@tromey.com> PR python/18984: * python/python.c (gdbpy_solib_name): Use GDB_PY_LLU_ARG. 2016-06-02 Tom Tromey <tom@tromey.com> PR python/18984: * gdb.python/py-shared.exp: Add solib_name test.	11 years ago
Tom Tromey	7bd787e877	fix spelling of HAVE_LIBPYTHON2_4 in py-value.c Ulrich pointed out that an earlier patch had misspelled HAVE_LIBPYTHON2_4, adding an extra "_". This caused a build failure. This patch fixes the bug. 2016-05-25 Tom Tromey <tom@tromey.com> * python/py-value.c (value_object_as_number): Use correct spelling of HAVE_LIBPYTHON2_4.	10 years ago
Tom Tromey	ddae946278	Fix PR python/17386 - add __index__ method to gdb.Value This patch fixes PR python/17386. The bug is that gdb.Value does not implement the Python __index__ method. This method is needed to convert a Python object to an index and is used by various operations in Python, such as indexing an array. The fix is to implement the nb_index method for gdb.Value. nb_index was added in Python 2.5. I don't have a good way to test Python 2.4, but I made an attempt to accomodate it. I chose to use valpy_long in all cases because this simplifies porting to Python 3, and because there didn't seem to be any harm. Built and regtested on x86-64 Fedora 23. 2016-05-24 Tom Tromey <tom@tromey.com> PR python/17386: * python/py-value.c (value_object_as_number): Add nb_inplace_floor_divide, nb_inplace_true_divide, nb_index. 2016-05-24 Tom Tromey <tom@tromey.com> PR python/17386: * gdb.python/py-value.exp (test_value_numeric_ops): Add tests that use value as an index.	12 years ago
Tom Tromey	e2b7f516fc	add nb_inplace_divide for python 2 Python 2's PyNumberMethods has nb_inplace_divide, but Python 3 does not. This patch adds it for Python 2. This buglet didn't cause much fallout because the only non-NULL entry in value_object_as_number after this is for valpy_divide; and the missing slot caused it to slide up to nb_floor_divide (where nb_true_divide was intended). 2016-05-24 Tom Tromey <tom@tromey.com> * python/py-value.c (value_object_as_number): Add nb_inplace_divide for Python 2.	10 years ago
Tom Tromey	1957f6b89f	Fix PR python/17981 PR python/17981 notes that gdb.breakpoints() returns None when there are no breakpoints; whereas an empty list or tuple would be more in keeping with Python and the documentation. This patch fixes the bug by changing the no-breakpoint return to make an empty tuple. Built and regtested on x86-64 Fedora 23. 2016-05-23 Tom Tromey <tom@tromey.com> PR python/17981: * python/py-breakpoint.c (gdbpy_breakpoints): Return a new tuple when there are no breakpoints. 2016-05-23 Tom Tromey <tom@tromey.com> * python.texi (Basic Python): Document gdb.breakpoints return. 2016-05-23 Tom Tromey <tom@tromey.com> PR python/17981: * gdb.python/py-breakpoint.exp (test_bkpt_basic): Add test for no-breakpoint case.	10 years ago
Tom Tromey	0f6ed0e0ef	Fix PR python/19438, PR python/18393 - initialize dictionaries This fixes PR python/19438 and PR python/18393. Both bugs are about invoking dir() on some Python object implemented by gdb, and getting a crash. The crash happens because the dictionary field of these objects was not initialized. Apparently what happens is that this field can be lazily initialized by Python when assigning to an attribute; and it can also be handled ok when using dir() but without __dict__ defined; but gdb defines __dict__ because this isn't supplied automatically by Python. The docs on this seem rather sparse, but this patch works ok. An alternative might be to lazily create the dictionary in gdb_py_generic_dict, but I went with this approach because it seemed more straightforward. Built and regtested on x86-64 Fedora 23. 2016-05-23 Tom Tromey <tom@tromey.com> PR python/19438, PR python/18393: * python/py-objfile.c (objfpy_initialize): Initialize self->dict. * python/py-progspace.c (pspy_initialize): Initialize self->dict. 2016-05-23 Tom Tromey <tom@tromey.com> PR python/19438, PR python/18393: * gdb.python/py-progspace.exp: Add "dir" test. * gdb.python/py-objfile.exp: Add "dir" test.	10 years ago
Trevor Saunders	870f88f755	remove trivialy unused variables gdb/ChangeLog: 2016-05-07 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * aarch64-linux-tdep.c (aarch64_linux_sigframe_init): Remove unused variables. * aarch64-tdep.c (aarch64_skip_prologue): Likewise. (aarch64_scan_prologue): Likewise. (aarch64_prologue_prev_register): Likewise. (aarch64_dwarf2_prev_register): Likewise. (pass_in_v): Likewise. (aarch64_push_dummy_call): Likewise. (aarch64_breakpoint_from_pc): Likewise. (aarch64_return_in_memory): Likewise. (aarch64_return_value): Likewise. (aarch64_displaced_step_b_cond): Likewise. (aarch64_displaced_step_cb): Likewise. (aarch64_displaced_step_tb): Likewise. (aarch64_gdbarch_init): Likewise. (aarch64_process_record): Likewise. * alpha-mdebug-tdep.c (alpha_mdebug_init_abi): Likewise. * alpha-tdep.c (_initialize_alpha_tdep): Likewise. * amd64-dicos-tdep.c (amd64_dicos_init_abi): Likewise. * amd64-linux-tdep.c (amd64_dtrace_parse_probe_argument): Likewise. * amd64-tdep.c (fixup_riprel): Likewise. * amd64-windows-tdep.c (amd64_windows_frame_decode_epilogue): Likewise. (amd64_windows_frame_decode_insns): Likewise. (amd64_windows_frame_cache): Likewise. (amd64_windows_frame_prev_register): Likewise. (amd64_windows_frame_this_id): Likewise. (amd64_windows_init_abi): Likewise. * arm-linux-tdep.c (arm_linux_get_syscall_number): Likewise. (arm_linux_get_next_pcs_syscall_next_pc): Likewise. * arm-symbian-tdep.c (arm_symbian_init_abi): Likewise. * arm-tdep.c (arm_make_epilogue_frame_cache): Likewise. (arm_epilogue_frame_prev_register): Likewise. (arm_record_vdata_transfer_insn): Likewise. (arm_record_exreg_ld_st_insn): Likewise. * auto-load.c (execute_script_contents): Likewise. (print_scripts): Likewise. * avr-tdep.c (avr_frame_prev_register): Likewise. (avr_push_dummy_call): Likewise. * bfin-linux-tdep.c (bfin_linux_sigframe_init): Likewise. * bfin-tdep.c (bfin_gdbarch_init): Likewise. * blockframe.c (find_pc_partial_function_gnu_ifunc): Likewise. * break-catch-throw.c (fetch_probe_arguments): Likewise. * breakpoint.c (breakpoint_xfer_memory): Likewise. (breakpoint_init_inferior): Likewise. (breakpoint_inserted_here_p): Likewise. (software_breakpoint_inserted_here_p): Likewise. (hardware_breakpoint_inserted_here_p): Likewise. (bpstat_what): Likewise. (break_range_command): Likewise. (save_breakpoints): Likewise. * coffread.c (coff_symfile_read): Likewise. * cris-tdep.c (cris_push_dummy_call): Likewise. (cris_scan_prologue): Likewise. (cris_register_size): Likewise. (_initialize_cris_tdep): Likewise. * d-exp.y: Likewise. * dbxread.c (dbx_read_symtab): Likewise. (process_one_symbol): Likewise. (coffstab_build_psymtabs): Likewise. (elfstab_build_psymtabs): Likewise. * dicos-tdep.c (dicos_init_abi): Likewise. * disasm.c (do_mixed_source_and_assembly): Likewise. (gdb_disassembly): Likewise. * dtrace-probe.c (dtrace_process_dof): Likewise. * dwarf2read.c (error_check_comp_unit_head): Likewise. (build_type_psymtabs_1): Likewise. (skip_one_die): Likewise. (process_imported_unit_die): Likewise. (dwarf2_physname): Likewise. (read_file_scope): Likewise. (setup_type_unit_groups): Likewise. (create_dwo_cu_reader): Likewise. (create_dwo_cu): Likewise. (create_dwo_unit_in_dwp_v1): Likewise. (create_dwo_unit_in_dwp_v2): Likewise. (lookup_dwo_unit_in_dwp): Likewise. (free_dwo_file): Likewise. (check_producer): Likewise. (dwarf2_add_typedef): Likewise. (dwarf2_add_member_fn): Likewise. (read_unsigned_leb128): Likewise. (read_signed_leb128): Likewise. (dwarf2_const_value): Likewise. (follow_die_sig_1): Likewise. (dwarf_decode_macro_bytes): Likewise. * extension.c (restore_active_ext_lang): Likewise. * frv-linux-tdep.c (frv_linux_sigtramp_frame_cache): Likewise. * ft32-tdep.c (ft32_analyze_prologue): Likewise. * gdbtypes.c (lookup_typename): Likewise. (resolve_dynamic_range): Likewise. (check_typedef): Likewise. * h8300-tdep.c (h8300_is_argument_spill): Likewise. (h8300_gdbarch_init): Likewise. * hppa-tdep.c (hppa32_push_dummy_call): Likewise. (hppa_frame_this_id): Likewise. (_initialize_hppa_tdep): Likewise. * hppanbsd-tdep.c (hppanbsd_sigtramp_cache_init): Likewise. * hppaobsd-tdep.c (hppaobsd_supply_fpregset): Likewise. * i386-dicos-tdep.c (i386_dicos_init_abi): Likewise. * i386-tdep.c (i386_bnd_type): Likewise. (i386_gdbarch_init): Likewise. (i386_mpx_bd_base): Likewise. * i386nbsd-tdep.c (i386nbsd_sigtramp_cache_init): Likewise. * i386obsd-tdep.c (i386obsd_elf_init_abi): Likewise. * ia64-tdep.c (examine_prologue): Likewise. (ia64_frame_cache): Likewise. (ia64_push_dummy_call): Likewise. * infcmd.c (finish_command_fsm_async_reply_reason): Likewise. (default_print_one_register_info): Likewise. * infrun.c (infrun_thread_ptid_changed): Likewise. (thread_still_needs_step_over): Likewise. (stop_all_threads): Likewise. (restart_threads): Likewise. (keep_going_stepped_thread): Likewise. * iq2000-tdep.c (iq2000_scan_prologue): Likewise. * language.c (language_init_primitive_type_symbols): Likewise. * linespec.c (add_sal_to_sals): Likewise. * linux-nat.c (status_callback): Likewise. (kill_unfollowed_fork_children): Likewise. (linux_nat_kill): Likewise. * linux-tdep.c (linux_fill_prpsinfo): Likewise. * linux-thread-db.c (thread_db_notice_clone): Likewise. (record_thread): Likewise. * location.c (string_to_event_location_basic): Likewise. * m32c-tdep.c (m32c_prev_register): Likewise. * m32r-linux-tdep.c (m32r_linux_init_abi): Likewise. * m32r-tdep.c (decode_prologue): Likewise. * m68klinux-tdep.c (m68k_linux_sigtramp_frame_cache): Likewise. * machoread.c (macho_symtab_read): Likewise. (macho_symfile_read): Likewise. (macho_symfile_offsets): Likewise. * maint.c (set_per_command_cmd): Likewise. * mi/mi-cmd-stack.c (mi_cmd_stack_list_locals): Likewise. (mi_cmd_stack_list_variables): Likewise. * mi/mi-main.c (mi_cmd_exec_run): Likewise. (output_register): Likewise. (mi_cmd_execute): Likewise. (mi_cmd_trace_define_variable): Likewise. (print_variable_or_computed): Likewise. * minsyms.c (prim_record_minimal_symbol_full): Likewise. * mn10300-tdep.c (mn10300_frame_prev_register): Likewise. * msp430-tdep.c (msp430_pseudo_register_write): Likewise. * mt-tdep.c (mt_registers_info): Likewise. * nios2-tdep.c (nios2_analyze_prologue): Likewise. (nios2_push_dummy_call): Likewise. (nios2_frame_unwind_cache): Likewise. (nios2_stub_frame_cache): Likewise. (nios2_stub_frame_sniffer): Likewise. (nios2_gdbarch_init): Likewise. * ppc-ravenscar-thread.c: Likewise. * ppcfbsd-tdep.c (ppcfbsd_sigtramp_frame_cache): Likewise. * python/py-evts.c (add_new_registry): Likewise. * python/py-finishbreakpoint.c (bpfinishpy_init): Likewise. (bpfinishpy_detect_out_scope_cb): Likewise. * python/py-framefilter.c (py_print_value): Likewise. * python/py-inferior.c (infpy_write_memory): Likewise. * python/py-infevents.c (create_inferior_call_event_object): Likewise. * python/py-infthread.c (thpy_get_ptid): Likewise. * python/py-linetable.c (ltpy_get_pcs_for_line): Likewise. (ltpy_get_all_source_lines): Likewise. (ltpy_is_valid): Likewise. (ltpy_iternext): Likewise. * python/py-symtab.c (symtab_and_line_to_sal_object): Likewise. * python/py-unwind.c (pyuw_object_attribute_to_pointer): Likewise. (unwind_infopy_str): Likewise. * python/py-varobj.c (py_varobj_get_iterator): Likewise. * ravenscar-thread.c (ravenscar_inferior_created): Likewise. * rs6000-aix-tdep.c (rs6000_push_dummy_call): Likewise. * rs6000-lynx178-tdep.c (rs6000_lynx178_push_dummy_call): Likewise. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Likewise. * s390-linux-tdep.c (s390_supply_tdb_regset): Likewise. (s390_frame_prev_register): Likewise. (s390_dwarf2_frame_init_reg): Likewise. (s390_record_vr): Likewise. (s390_process_record): Likewise. * score-tdep.c (score_push_dummy_call): Likewise. (score3_analyze_prologue): Likewise. * sh-tdep.c (sh_extract_return_value_nofpu): Likewise. * sh64-tdep.c (sh64_analyze_prologue): Likewise. (sh64_push_dummy_call): Likewise. (sh64_extract_return_value): Likewise. (sh64_do_fp_register): Likewise. * solib-aix.c (solib_aix_get_section_offsets): Likewise. * solib-darwin.c (darwin_read_exec_load_addr_from_dyld): Likewise. (darwin_solib_read_all_image_info_addr): Likewise. * solib-dsbt.c (enable_break): Likewise. * solib-frv.c (enable_break2): Likewise. (frv_fdpic_find_canonical_descriptor): Likewise. * solib-svr4.c (svr4_handle_solib_event): Likewise. * sparc-tdep.c (sparc_skip_stack_check): Likewise. * sparc64-linux-tdep.c (sparc64_linux_get_longjmp_target): Likewise. * sparcobsd-tdep.c (sparc32obsd_init_abi): Likewise. * spu-tdep.c (info_spu_dma_cmdlist): Likewise. * stack.c (read_frame_local): Likewise. * symfile.c (symbol_file_add_separate): Likewise. (remove_symbol_file_command): Likewise. * symmisc.c (maintenance_print_one_line_table): Likewise. * symtab.c (symbol_cache_flush): Likewise. (basic_lookup_transparent_type): Likewise. (sort_search_symbols_remove_dups): Likewise. * target.c (target_memory_map): Likewise. (target_detach): Likewise. (target_resume): Likewise. (acquire_fileio_fd): Likewise. (target_store_registers): Likewise. * thread.c (print_thread_info_1): Likewise. * tic6x-tdep.c (tic6x_analyze_prologue): Likewise. * tilegx-linux-tdep.c (tilegx_linux_sigframe_init): Likewise. * tilegx-tdep.c (tilegx_push_dummy_call): Likewise. (tilegx_analyze_prologue): Likewise. (tilegx_stack_frame_destroyed_p): Likewise. (tilegx_frame_cache): Likewise. * tracefile.c (trace_save): Likewise. * tracepoint.c (encode_actions_and_make_cleanup): Likewise. (start_tracing): Likewise. (print_one_static_tracepoint_marker): Likewise. * tui/tui.c (tui_enable): Likewise. * valops.c (value_struct_elt_bitpos): Likewise. (find_overload_match): Likewise. (find_oload_champ): Likewise. * value.c (value_contents_copy_raw): Likewise. * windows-tdep.c (windows_get_tlb_type): Likewise. * x86-linux-nat.c (x86_linux_enable_btrace): Likewise. * xcoffread.c (record_minimal_symbol): Likewise. (scan_xcoff_symtab): Likewise. * xtensa-tdep.c (execute_code): Likewise. (xtensa_gdbarch_init): Likewise. (_initialize_xtensa_tdep): Likewise.	10 years ago
Pedro Alves	86f1abec45	Fix gdb/python/python.c use-after-free Valgrind shows: ==26964== Invalid read of size 1 ==26964== at 0x6E14100: __GI_strcmp (strcmp.S:180) ==26964== by 0x6DB55AA: setlocale (setlocale.c:238) ==26964== by 0x4E0455: _initialize_python() (python.c:1731) ==26964== by 0x786731: initialize_all_files() (init.c:319) ==26964== by 0x72EF0A: gdb_init(char) (top.c:1929) ==26964== by 0x60BCAC: captured_main(void) (main.c:863) ==26964== by 0x606AD5: catch_errors(int ()(void), void, char, return_mask) (exceptions.c:234) ==26964== by 0x60C608: gdb_main(captured_main_args) (main.c:1165) ==26964== by 0x40CAEC: main (gdb.c:32) ==26964== Address 0x81d30a0 is 0 bytes inside a block of size 181 free'd ==26964== at 0x4C29CF0: free (vg_replace_malloc.c:530) ==26964== by 0x6DB5B65: setname (setlocale.c:201) ==26964== by 0x6DB5B65: setlocale (setlocale.c:388) ==26964== by 0x4E037F: _initialize_python() (python.c:1712) ==26964== by 0x786731: initialize_all_files() (init.c:319) ==26964== by 0x72EF0A: gdb_init(char) (top.c:1929) ==26964== by 0x60BCAC: captured_main(void) (main.c:863) ==26964== by 0x606AD5: catch_errors(int ()(void), void, char, return_mask) (exceptions.c:234) ==26964== by 0x60C608: gdb_main(captured_main_args) (main.c:1165) ==26964== by 0x40CAEC: main (gdb.c:32) The problem is doing this: oldloc = setlocale (LC_ALL, NULL); setlocale (LC_ALL, ""); ... setlocale (LC_ALL, oldloc); I.e., the second setlocale call frees 'oldloc'. From http://pubs.opengroup.org/onlinepubs/9699919799/functions/setlocale.html : "The returned string pointer might be invalidated or the string content might be overwritten by a subsequent call to setlocale()." gdb/ChangeLog: 2016-05-03 Pedro Alves <palves@redhat.com> PR python/20037 * python/python.c (_initialize_python) [IS_PY3K]: xstrdup/xfree oldloc.	10 years ago
Pedro Alves	1aa9670288	Remove gdb/python/python.c code that handles strlen failing with -1 This makes no sense -- strlen doesn't really ever fail with -1. gdb/ChangeLog: 2016-05-03 Pedro Alves <palves@redhat.com> * python/python.c (_initialize_python) [IS_PY3K]: Remove dead code.	10 years ago
Pedro Alves	b36cec19e8	Add missing sentinel 'char ' casts in concat/reconcat calls The wildebeest-debian-wheezy-i686 buildslave's build is broken due to: ../../binutils-gdb/gdb/python/python.c: In function void _initialize_python(): ../../binutils-gdb/gdb/python/python.c:1709:36: error: missing sentinel in function call [-Werror=format] Reproduced on Fedora 23 by sticking a few: #undef NULL #define 0 in build/gdb/build-gnulib/{stddef\|signal\|stdio}.h. Hopefully this caught all instances. gdb/ChangeLog: 2016-04-21 Pedro Alves <palves@redhat.com> dwarf2read.c (try_open_dwop_file, open_dwo_file) (file_file_name, file_full_name): Add char * cast to sentinel in concat/reconcat calls. * event-top.c (top_level_prompt): Likewise. * guile/guile.c (initialize_scheme_side): Likewise. * linux-tdep.c (linux_fill_prpsinfo): Likewise. * macrotab.c (macro_source_fullname): Likewise. * main.c (get_init_files, captured_main): Likewise. * psymtab.c (psymtab_to_fullname): Likewise. * python/python.c (_initialize_python) (gdbpy_finish_initialization): Likewise. * source.c (symtab_to_fullname): Likewise.	10 years ago
Pedro Alves	a149683b0c	Eliminate clear_quit_flag Nothing calls this anymore. gdb/ChangeLog: 2016-04-12 Pedro Alves <palves@redhat.com> * defs.h (clear_quit_flag): Remove declaration. * extension-priv.h (struct extension_language_ops) <clear_quit_flag>: Remove field and update comments. * extension.c (clear_quit_flag): Delete. * guile/guile.c (guile_extension_ops): Adjust. * python/python.c (python_extension_ops): Adjust. (gdbpy_clear_quit_flag): Delete.	10 years ago
Pedro Alves	6eddd09a12	Make Python use a struct serial event Now that we have an abstract for wakeable events, use it instead of a (heavier) serial pipe. gdb/ChangeLog: 2016-04-12 Pedro Alves <palves@redhat.com> * python/python.c: Include "ser-event.h". (gdbpy_event_fds): Delete. (gdbpy_serial_event): New. (gdbpy_run_events): Change prototype. Use serial_event_clear instead of serial_readchar. (gdbpy_post_event): Use serial_event_set instead of serial_write. (gdbpy_initialize_events): Use make_serial_event instead of serial_pipe.	10 years ago
Catalin Udma	e7ea3ec7c6	python: Use console format for output of gdb.execute command When gdb is started in MI mode, the output of gdb.execute command is in MI-format in case when it is executed from python stop handler while for all other cases the output is in console-format. To assure consistent output format, this is fixed by using the console format for all python gdb command executions. PR python/19743 gdb/ChangeLog: 2016-03-31 Catalin Udma <catalin.udma@freescale.com> PR python/19743 * python/python.c (execute_gdb_command): Use console uiout when executing gdb command. * utils.c (restore_ui_out_closure): New structure. (do_restore_ui_out): New function. (make_cleanup_restore_ui_out): Likewise. * utils.h (make_cleanup_restore_ui_out): Declare. gdb/testsuite/ChangeLog: 2016-03-31 Catalin Udma <catalin.udma@freescale.com> PR python/19743 * gdb.python/py-mi-events-gdb.py: New file. * gdb.python/py-mi-events.c: New file. * gdb.python/py-mi-events.exp: New file. Signed-off-by: Catalin Udma <catalin.udma@freescale.com>	10 years ago
Doug Evans	4ae6cc1962	python/py-utils.c (host_string_to_python_string): New function. gdb/ChangeLog: * python/py-utils.c (host_string_to_python_string): New function. * python/python-internal.h (host_string_to_python_string): Declare it. * python/py-.c (): Update all calls to PyString_Decode (str, strlen (str), host_charset (), NULL); to use host_string_to_python_string instead.	10 years ago
Simon Marchi	f2f3ccb9f8	Add $_as_string convenience function This patch is a follow-up to "Add printf format specifier for printing enumerator": https://sourceware.org/ml/gdb-patches/2016-02/msg00144.html Instead of having a solution specific to the printf command, Pedro suggested adding a general purpose function $_as_string() that would cover this use case and more. So, in order to print the textual label of an enum, one can use: (gdb) printf "Visiting node of type %s\n", $_as_string(node) Visiting node of type NODE_INTEGER gdb/ChangeLog: * data-directory/Makefile.in (PYTHON_FILE_LIST): Install gdb/function/as_string.py. * python/lib/gdb/function/as_string.py: New file. * NEWS: Mention the new $_as_string function. gdb/testsuite/ChangeLog: * gdb.python/py-as-string.exp: New file. * gdb.python/py-as-string.c: New file. gdb/doc/ChangeLog: * gdb.texinfo (Convenience Functions): Document $_as_string.	10 years ago
Keith Seitz	9f61929fd8	python/19506 -- gdb.Breakpoint address location regression Now that "legacy" linespecs benefit from consolidated support in string_to_event_location_basic, python's Breakpoint command should use this function to turn strings into event locations. As a result, this patch fixes python/19506. Before: (gdb) python gdb.Breakpoint("main") Traceback (most recent call last): File "<string>", line 1, in <module> RuntimeError: Function "main" not defined. Error while executing Python code. After: (gdb) python gdb.Breakpoint("main") Breakpoint 1 at 0x4005fb: file ../../../src/gdb/testsuite/gdb.python/py-breakpoint.c, line 32. gdb/ChangeLog PR python/19506 python/py-breakpoint.c (bppy_init): Use string_to_event_location_basic instead of new_linespec_location. gdb/testsuite/ChangeLog PR python/19506 * gdb.python/py-breakpoint.exp (test_bkpt_address): New procedure. (toplevel): Call test_bkpt_address.	10 years ago
Joel Brobecker	305e13e67f	Fix regression introduced in "break <EXPR>" by explicit location patches. A relatively recent patch support for explicit locations, and part of that patch cleaned up the way we parse breakpoint locations. Unfortunatly, a small regression crept in for "<EXPR>" breakpoint locations. In particular, on PIE programs, one can see the issue by doing the following, with any program: (gdb) b main Breakpoint 1 at 0x51a: file hello.c, line 3. (gdb) run Starting program: /[...]/hello Error in re-setting breakpoint 1: Warning: Cannot insert breakpoint 1. Cannot access memory at address 0x51a Warning: Cannot insert breakpoint 1. Cannot access memory at address 0x51a Just for the record, this regression was introduced by: commit `a06efdd6ef` Date: Tue Aug 11 17:09:35 2015 -0700 Subject: Explicit locations: introduce address locations What happens is that the patch makes the implicit assumption that the address computed the first time is static, as if it was designed to only support litteral expressions (Eg. "0x1234"). This allows the shortcut of not re-computing the breakpoint location's address when re-setting breakpoints. However, this does not work in general, as demonstrated in the example above. This patch plugs that hole simply by saving the original expression used to compute the address as part of the address location, so as to then re-evaluate that expression during breakpoint re-set. gdb/ChangeLog: * location.h (new_address_location): Add new parameters "addr_string" and "addr_string_len". (get_address_string_location): Add declaration. * location.c (new_address_location): Add new parameters "addr_string" and "addr_string_len". If not NULL, store a copy of the addr_string in the new location as well. (get_address_string_location): New function. (string_to_event_location): Update call to new_address_location. * linespec.c (event_location_to_sals) <ADDRESS_LOCATION>: Save the event location in the parser's state before passing it to convert_address_location_to_sals. * breakpoint.c (create_thread_event_breakpoint): Update call to new_address_location. (init_breakpoint_sal): Get the event location's string, if any, and use it to update call to new_address_location. * python/py-finishbreakpoint.c (bpfinishpy_init): Update call to new_address_location. * spu-tdep.c (spu_catch_start): Likewise. * config/djgpp/fnchange.lst: Add entries for gdb/testsuite/gdb.base/break-fun-addr1.c and gdb/testsuite/gdb.base/break-fun-addr2.c. gdb/testsuite/ChangeLog: * gdb.base/break-fun-addr.exp: New file. * gdb.base/break-fun-addr1.c: New file. * gdb.base/break-fun-addr2.c: New file.	11 years ago
Simon Marchi	5f5dfff63f	Fix sorting of enum values in FlagEnumerationPrinter The lambda function used to sort the enumerator list does not work properly. This list consists of tuples, (enum label, enum value). The key function returns x.enumval. enumval not being defined for a tuple, we see this exception in the test log: Python Exception <class 'AttributeError'> 'tuple' object has no attribute 'enumval' The function should return the second item of the tuple, which is the enumval. The pretty-printer still worked mostly correctly, except that the enumeration values were not sorted. The test still passed because the enumeration values are already sorted where they are defined. The test also passed despite the exception being printed, because the right output was printed after the exception: print (enum flag_enum) (FLAG_1) Python Exception <type 'exceptions.AttributeError'> 'tuple' objecthas no attribute 'enumval':M $7 = 0x1 [FLAG_1] (gdb) PASS: gdb.python/py-pp-maint.exp: print FLAG_1 New in v2: - Improved test case, I stole Pedro's example directly. It verifies that the sorting of enumerators by value works, by checking that printing FOO_MASK appears as FOO_1 \| FOO_2 \| FOO_3. I noticed that I could change the regexps to almost anything and the tests would still pass. I think it was because of the \| in there. I made them more robust by using string_to_regexp. I used curly braces { } instead of quoting marks " " for strings, so that I could use square brackets [ ] in them without having to escape them all. I also removed the "message" part of the tests, since they are redundant with the command, and it's just more maintenance to have to update them. Tested with Python 2.7 and 3.5. gdb/ChangeLog: * python/lib/gdb/printing.py (FlagEnumerationPrinter.__call__): Fix enumerators sort key function. gdb/testsuite/ChangeLog: * gdb.python/py-pp-maint.exp: Change/add enum flag tests. * gdb.python/py-pp-maint.c (enum flag_enum): Use more complex enum flag values.	10 years ago
Simon Marchi	10e3ed9029	Fix enum flag with Python 3 Using Python 3.5 (I assume it's the same with 3.4 and lower, but I didn't test), I see this: print (enum flag_enum) (FLAG_1)^M Python Exception <class 'TypeError'> %x format: an integer is required, not gdb.Value: ^M $7 = ^M (gdb) FAIL: gdb.python/py-pp-maint.exp: print FLAG_1 Apparently, this idiom, where v is a gdb.Value, was possible with Python 2, but not with Python 3: '%x' % v In Python 2, it would automatically get converted to an integer. To solve it, I simply added wrapped v in a call to int(). '%x' % int(v) In Python 2, the int type is implemented with a "long" in C, so on x86-32 it's 32-bits. I was worried that doing int(v) would truncate the value and give wrong results for enum values > 32-bits. However, the int type != the int function. The int function does the right thing, selecting the right integer type for the given value. I tested with large enum values on x86-32 and Python 2, and everything works as expected. gdb/ChangeLog: * python/lib/gdb/printing.py (_EnumInstance.to_string): Explicitly convert gdb.Value to integer type using int().	10 years ago
Pedro Alves	c2f4122d5c	Limit breakpoint re-set to the current program space Currently, we always re-set all locations of all breakpoints. This commit makes us re-set only locations of the current program space. If we loaded symbols to a program space (e.g., "file" command or some shared library was loaded), GDB must run through all breakpoints and determine if any new locations need to be added to the breakpoint. However, there's no reason to recreate locations for _other_ program spaces, as those haven't changed. Similarly, when we create a new inferior, through e.g., a fork, GDB must run through all breakpoints and determine if any new locations need to be added to the breakpoint. There's no reason to destroy the locations of the parent inferior and other inferiors. We know those won't change. In addition to being inneficient, resetting breakpoints of inferiors that are currently running is problematic, because: - some targets can't read memory while the inferior is running. - the inferior might exit while we're re-setting its breakpoints, which may confuse prologue skipping. I went through all the places where we call breakpoint_re_set, and it seems to me that all can be changed to only re-set locations of the current program space. The patch that reversed threads order in "info threads" etc. happened to make gdb.threads/fork-plus-thread.exp expose this problem when testing on x86/-m32. The problem was latent and masked out by chance by the code-cache: https://sourceware.org/ml/gdb-patches/2016-01/msg00213.html Tested on x86-64 F20, native (-m64/-m32) and extended-remote gdbserver. Fixes the regression discussed in the url above with --target_board=unix/-m32: -FAIL: gdb.threads/fork-plus-threads.exp: detach-on-fork=off: inferior 1 exited +PASS: gdb.threads/fork-plus-threads.exp: detach-on-fork=off: inferior 1 exited -FAIL: gdb.threads/fork-plus-threads.exp: detach-on-fork=off: no threads left (timeout) -FAIL: gdb.threads/fork-plus-threads.exp: detach-on-fork=off: only inferior 1 left (the program exited) +PASS: gdb.threads/fork-plus-threads.exp: detach-on-fork=off: no threads left +PASS: gdb.threads/fork-plus-threads.exp: detach-on-fork=off: only inferior 1 left gdb/ChangeLog: 2016-01-19 Pedro Alves <palves@redhat.com> * ax-gdb.c (agent_command_1): Adjust call to decode_line_full. * break-catch-throw.c (re_set_exception_catchpoint): Pass the current program space down to linespec decoding and breakpoint location updating. * breakpoint.c (parse_breakpoint_sals): Adjust calls to decode_line_full. (until_break_command): Adjust calls to decode_line_1. (base_breakpoint_decode_location, bkpt_decode_location): Add 'search_pspace' parameter. Pass it along. (bkpt_probe_create_sals_from_location): Adjust calls to parse_probes. (tracepoint_decode_location, tracepoint_probe_decode_location) (strace_marker_decode_location): Add 'search_pspace' parameter. Pass it along. (all_locations_are_pending): Rewrite to take a breakpoint and program space as arguments instead. (hoist_existing_locations): New function. (update_breakpoint_locations): Add 'filter_pspace' parameter. Use hoist_existing_locations instead of always removing all locations, and adjust to all_locations_are_pending change. (location_to_sals): Add 'search_pspace' parameter. Pass it along. Don't disable the breakpoint if there are other locations in another program space. (breakpoint_re_set_default): Adjust to pass down the current program space as filter program space. (decode_location_default): Add 'search_pspace' parameter and pass it along. (prepare_re_set_context): Don't switch program space here. (breakpoint_re_set): Use save_current_space_and_thread instead of save_current_program_space. * breakpoint.h (struct breakpoint_ops) <decode_location>: Add 'search_pspace' parameter. (update_breakpoint_locations): Add 'filter_pspace' parameter. * cli/cli-cmds.c (edit_command, list_command): Adjust calls to decode_line_1. * elfread.c (elf_gnu_ifunc_resolver_return_stop): Pass the current program space as filter program space. * linespec.c (struct linespec_state) <search_pspace>: New field. (create_sals_line_offset, convert_explicit_location_to_sals) (parse_linespec): Pass the search program space down. (linespec_state_constructor): Add 'search_pspace' parameter. Store it. (linespec_parser_new): Add 'search_pspace' parameter and pass it along. (linespec_lex_to_end): Adjust. (decode_line_full, decode_line_1): Add 'search_pspace' parameter and pass it along. (decode_line_with_last_displayed): Adjust. (collect_symtabs_from_filename, symtabs_from_filename): New 'search_pspace' parameter. Use it. (find_function_symbols): Pass the search program space down. * linespec.h (decode_line_1, decode_line_full): Add 'search_pspace' parameter. * probe.c (parse_probes_in_pspace): New function, factored out from ... (parse_probes): ... this. Add 'search_pspace' parameter and use it. * probe.h (parse_probes): Add pspace' parameter. * python/python.c (gdbpy_decode_line): Adjust. * tracepoint.c (scope_info): Adjust.	10 years ago
Pedro Alves	22a0232400	Add Python InferiorThread.global_num attribute This commit adds a new Python InferiorThread.global_num attribute. This can be used to pass the correct thread ID to Breakpoint.thread, which takes a global thread ID, not a per-inferior thread number. gdb/ChangeLog: 2016-01-13 Pedro Alves <palves@redhat.com> * NEWS: Mention InferiorThread.global_num. * python/py-infthread.c (thpy_get_global_num): New function. (thread_object_getset): Register "global_num". gdb/testsuite/ChangeLog: 2016-01-13 Pedro Alves <palves@redhat.com> * gdb.multi/tids.exp: Test InferiorThread.global_num and Breakpoint.thread. * gdb.python/py-infthread.exp: Test InferiorThread.global_num. gdb/doc/ChangeLog: 2016-01-13 Pedro Alves <palves@redhat.com> * python.texi (Breakpoints In Python) <Breakpoint.thread>: Add anchor. (Threads In Python): Document new InferiorThread.global_num attribute.	10 years ago

1 2 3 4 5 ...

592 Commits (4e9d2153228d95c972907a8b13237218d380c5d3)