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562 Commits
Author | SHA1 | Message | Date | |
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53a47a3e49 |
Handle indexing Ada arrays with enum indices
In Ada, like C, an enum can assign values to the constants. However, unlike C (or any other language supported by gdb), the enum type can also be used as the range of an array. In this case, the user's code references the enum constants, but the compiler translates these to the position of the constant in the enum. So for example one might write: type Enum_With_Gaps is ( LIT0, LIT1, LIT2, LIT3, LIT4 ); for Enum_With_Gaps use ( LIT0 => 3, LIT1 => 5, LIT2 => 8, LIT3 => 13, LIT4 => 21 ); Then index an array like "array(LIT3)" -- but this will be the 4th element in an array of 5 elements, not the 13th element in an array of 19 (assuming I did the math right) elements. gdb supports this to some degree, with the only missing piece being indexing into such an array. This patch implements this missing feature, and also fixes an existing bug, which is that in some situations I believe gdb would mis-compute the resulting array's length. The approach taken here is to try to integrate this feature into the core of gdb. My view is that much of the Ada support should be better integrated with gdb, rather than being "on the side". This, I think, would help avoid code duplication at least. So, I try to take steps toward this goal when possible. Because other languages generally don't allow the user to specify the index type of an array, I simply made the core of gdb unconditionally apply discrete_position when computing the range of such an array. This is a no-op for ordinary types, but applies the enum value-to-position transformation for TYPE_CODE_ENUM. gdb/ChangeLog 2020-05-26 Tom Tromey <tromey@adacore.com> * ada-lang.c (ada_print_array_index): Change type. Call val_atr. (ada_value_ptr_subscript): Don't call pos_atr on the lower bound. (val_atr): New function. (value_val_atr): Use it. * ada-valprint.c (print_optional_low_bound): Change low bound handling for enums. (val_print_packed_array_elements): Don't call discrete_position. * gdbtypes.c (get_discrete_bounds) <TYPE_CODE_RANGE>: Call discrete_position for enum types. * language.c (default_print_array_index): Change type. * language.h (struct language_defn) <la_print_array_index>: Add index_type parameter, change type of index_value. (LA_PRINT_ARRAY_INDEX): Add index_type parameter. (default_print_array_index): Update. * valprint.c (maybe_print_array_index): Don't call value_from_longest. Update. (value_print_array_elements): Don't call discrete_position. gdb/testsuite/ChangeLog 2020-05-26 Tom Tromey <tromey@adacore.com> * gdb.ada/arr_acc_idx_w_gap.exp: Add tests. |
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0bc2354b81 |
Fix bugs in 'val and 'pos with range types
In Ada, the 'val and 'pos attributes can be used to map from an enumeration constant to its position in the enum and vice versa. These operators did not work properly when the type in question was a subrange of an enum type with "holes". gdb/ChangeLog 2020-05-26 Tom Tromey <tromey@adacore.com> * ada-lang.c (value_val_atr): Handle TYPE_CODE_RANGE. * gdbtypes.c (discrete_position): Handle TYPE_CODE_RANGE. gdb/testsuite/ChangeLog 2020-05-26 Tom Tromey <tromey@adacore.com> * gdb.ada/arr_acc_idx_w_gap.exp: Add enum subrange tests. * gdb.ada/arr_acc_idx_w_gap/enum_with_gap.ads (Enum_Subrange): New type. * gdb.ada/arr_acc_idx_w_gap/enum_with_gap_main.adb (V): New variable. |
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ceacbf6edf |
gdb: remove TYPE_FIELD macro
Replace all uses of it by type::field. Note that since type::field returns a reference to the field, some spots are used to assign the whole field structure. See ctfread.c, function attach_fields_to_type, for example. This is the same as was happening with the macro, so I don't think it's a problem, but if anybody sees a really nicer way to do this, now could be a good time to implement it. gdb/ChangeLog: * gdbtypes.h (TYPE_FIELD): Remove. Replace all uses with type::field. |
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80fc5e77f0 |
gdb: remove TYPE_FIELDS macro
Remove all uses of the `TYPE_FIELDS` macro. Replace them with either: 1) type::fields, to obtain a pointer to the fields array (same as TYPE_FIELDS yields) 2) type::field, a new convenience method that obtains a reference to one of the type's field by index. It is meant to replace TYPE_FIELDS (type)[idx] with type->field (idx) gdb/ChangeLog: * gdbtypes.h (struct type) <field>: New method. (TYPE_FIELDS): Remove, replace all uses with either type::fields or type::field. Change-Id: I49fba10114417deb502060c6156aa5f7fc62462f |
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3cabb6b069 |
gdb: add type::fields / type::set_fields
Add the `fields` and `set_fields` methods on `struct type`, in order to remove the `TYPE_FIELDS` macro. In this patch, the `TYPE_FIELDS` macro is changed to the `type::fields`, so all the call sites that use it to set the fields array are changed to use `type::set_fields`. The next patch will remove `TYPE_FIELDS` entirely. gdb/ChangeLog: * gdbtypes.h (struct type) <fields, set_fields>: New methods. (TYPE_FIELDS): Use type::fields. Change all call sites that modify the propery to use type::set_fields instead. Change-Id: I05174ce68f2ce3fccdf5d8b469ff141f14886b33 |
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1f704f761b |
gdb: remove TYPE_NFIELDS macro
Remove `TYPE_NFIELDS`, changing all the call sites to use `type::num_fields` directly. This is quite a big diff, but this was mostly done using sed and coccinelle. A few call sites were done by hand. gdb/ChangeLog: * gdbtypes.h (TYPE_NFIELDS): Remove. Change all cal sites to use type::num_fields instead. Change-Id: Ib73be4c36f9e770e0f729bac3b5257d7cb2f9591 |
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5e33d5f4e1 |
gdb: add type::num_fields / type::set_num_fields
Add the `num_fields` and `set_num_fields` methods on `struct type`, in order to remove the `TYPE_NFIELDS` macro. In this patch, the `TYPE_NFIELDS` macro is changed to use `type::num_fields`, so all the call sites that are used to set the number of fields are changed to use `type::set_num_fields`. The next patch will remove `TYPE_NFIELDS` completely. I think that in the future, we should consider making the interface of `struct type` better. For example, right now it's possible for the number of fields property and the actual number of fields set to be out of sync. However, I want to keep the existing behavior in this patch, just translate from macros to methods. gdb/ChangeLog: * gdbtypes.h (struct type) <num_fields, set_num_fields>: New methods. (TYPE_NFIELDS): Use type::num_fields. Change all call sites that modify the number of fields to use type::set_num_fields instead. Change-Id: I5ad9de5be4097feaf942d111077434bf91d13dc5 |
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7d93a1e0b6 |
gdb: remove TYPE_NAME macro
Remove `TYPE_NAME`, changing all the call sites to use `type::name` directly. This is quite a big diff, but this was mostly done using sed and coccinelle. A few call sites were done by hand. gdb/ChangeLog: * gdbtypes.h (TYPE_NAME): Remove. Change all cal sites to use type::name instead. |
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d0e39ea27c |
gdb: add type::name / type::set_name
Add the `name` and `set_name` methods on `struct type`, in order to remove the `TYPE_NAME` macro. In this patch, the `TYPE_NAME` macro is changed to use `type::name`, so all the call sites that are used to set the type name are changed to use `type::set_name`. The next patch will remove `TYPE_NAME` completely. gdb/ChangeLog: * gdbtypes.h (struct type) <name, set_name>: New methods. (TYPE_CODE): Use type::name. Change all call sites used to set the name to use type::set_name instead. |
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7813437494 |
gdb: remove TYPE_CODE macro
Remove TYPE_CODE, changing all the call sites to use type::code directly. This is quite a big diff, but this was mostly done using sed and coccinelle. A few call sites were done by hand. gdb/ChangeLog: * gdbtypes.h (TYPE_CODE): Remove. Change all call sites to use type::code instead. |
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67607e24d0 |
gdb: add type::code / type::set_code
Add the code and set_code methods on code, in order to remove the TYPE_CODE macro. In this patch, the TYPE_CODE macro is changed to use type::code, so all the call sites that are used to set the type code are changed to use type::set_code. The next patch will remove TYPE_CODE completely. gdb/ChangeLog: * gdbtypes.h (struct type) <code, set_code>: New methods. (TYPE_CODE): Use type::code. Change all call sites used to set the code to use type::set_code instead. |
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98d48915d9 |
gdb: remove TYPE_DYN_PROP_LIST macro
Remove this macro, which abstracts how to obtain the dyn_prop_list of a given type. We could replace it with a method on `struct type`, but I don't think it's needed, as the only code that accesses the dynamic prop list directly is internal gdbtypes.c code (that can be seen as code internal to `struct type`). So it can just refer to the field directly. gdb/ChangeLog: * gdbtypes.h (TYPE_DYN_PROP_LIST): Remove. Update all users access thistype->main_type->dyn_prop_list directly. |
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7aa9131366 |
gdb: make remove_dyn_prop a method of struct type
Move remove_dyn_prop, currently a free function, to be a method of struct type. gdb/ChangeLog: * gdbtypes.h (struct type) <remove_dyn_prop>: New method. (remove_dyn_prop): Remove. Update all users to use type::remove_dyn_prop. * gdbtypes.c (remove_dyn_prop): Rename to... (type::remove_dyn_prop): ... this. |
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5c54719c22 |
gdb: make add_dyn_prop a method of struct type
Move add_dyn_prop, currently a free function, to be a method of struct type. gdb/ChangeLog: * gdbtypes.h (struct type) <add_dyn_prop>: New method. (add_dyn_prop): Remove. Update all users to use type::add_dyn_prop. * gdbtypes.c (add_dyn_prop): Rename to... (type::add_dyn_prop): ... this. |
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24e99c6c3c |
gdb: make get_dyn_prop a method of struct type
Move get_dyn_prop, currently a free function, to be a method on struct type. gdb/ChangeLog: * gdbtypes.h (struct type) <get_dyn_prop>: New method. (get_dyn_prop): Remove. Update all users to use type::dyn_prop. * gdbtypes.c (get_dyn_prop): Rename to... (type::dyn_prop): ... this. |
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c3236f84c1 |
gdb: remove TYPE_INCOMPLETE
The "HP platforms" comment prompted me to check if this was still used somewhere. Apparently it's not, so remove it. gdb/ChangeLog: * gdbtypes.h (TYPE_INCOMPLETE): Remove. * gdbtypes.c (recursive_dump_type): Remove use of TYPE_INCOMPLETE. |
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8dbb13755b |
Fix size recalculation of fortran arrays
My recent change regarding size calculation of arrays of stubbed types didn't take array strides and associated/allocated type properties into account, which basically broke fortran arrays. Fixed by refactoring the array size calculation of create_array_type_with_stride into a new function, and also use it for the stubbed array size recalculation. gdb/ChangeLog: 2020-05-01 Hannes Domani <ssbssa@yahoo.de> * gdbtypes.c (update_static_array_size): New function. (create_array_type_with_stride): Use update_static_array_size. (check_typedef): Likewise. |
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ee9d1e5f76 |
Calculate size of array of stubbed type
Sizes of stubbed types are calculated on demand in check_typedef, so the same must also be done for arrays of stubbed types. A stubbed type is usually a structure that has only been forward declared, but can also happen if the structure has a virtual function that's not inline in the class definition. For these stubbed types, the size must be recalculated once the full definition is available. gdb/ChangeLog: 2020-04-30 Hannes Domani <ssbssa@yahoo.de> PR gdb/18706 * gdbtypes.c (check_typedef): Calculate size of array of stubbed type. gdb/testsuite/ChangeLog: 2020-04-30 Hannes Domani <ssbssa@yahoo.de> PR gdb/18706 * gdb.cp/stub-array-size.cc: New test. * gdb.cp/stub-array-size.exp: New file. * gdb.cp/stub-array-size.h: New test. * gdb.cp/stub-array-size2.cc: New test. |
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7d79de9a4b |
Add support for variable field offsets
In Ada, a field can have a variable offset. This patch adds support for this case to gdb, using the existing dynamic type resolution code. Doing just this, though, would break C++ virtual base handling. It turns out that virtual base handling only worked by the ugliest of hacks. In particular, the DWARF reader would call decode_locdesc for a virtual base location. Here's an example of such an expression from gdb's m-static test case: <241> DW_AT_data_member_location: 6 byte block: 12 6 48 1c 6 22 (DW_OP_dup; DW_OP_deref; DW_OP_lit24; DW_OP_minus; DW_OP_deref; DW_OP_plus) When examining this, decode_locdesc would treat DW_OP_deref as a no-op and compute some answer (here, -24). This would be stored as the offset. Later, in gnu-v3-abi.c, the real offset would be computed by digging around in the vtable. This patch cleans up this area. In particular, it now evaluates the location expression on demand. Note there is a new FIXME in gnu-v3-abi.c. I think some of the callers are incorrect here, and have only worked because this member is unused. I will file a bug for this. I didn't fix this problem in this series because I felt it was already too complex. gdb/ChangeLog 2020-04-24 Tom Tromey <tromey@adacore.com> * dwarf2/read.c (handle_data_member_location): New overload. (dwarf2_add_field): Use it. (decode_locdesc): Add "computed" parameter. Update comment. * gdbtypes.c (is_dynamic_type_internal): Also look for FIELD_LOC_KIND_DWARF_BLOCK. (resolve_dynamic_struct): Handle FIELD_LOC_KIND_DWARF_BLOCK. * gdbtypes.c (is_dynamic_type_internal): Add special case for C++ virtual base classes. * gnu-v3-abi.c (gnuv3_baseclass_offset): Handle FIELD_LOC_KIND_DWARF_BLOCK. gdb/testsuite/ChangeLog 2020-04-24 Tom Tromey <tromey@adacore.com> * gdb.ada/variant.exp: Add dynamic field offset tests. * gdb.ada/variant/pck.ads (Nested_And_Variable): New type. * gdb.ada/variant/pkg.adb: Add new variables. |
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f8e89861cf |
Add support for dynamic type lengths
In Ada, a type with variant parts can have a variable length. This patch adds support for this to gdb, by integrating the length computation into the dynamic type resolution code. gdb/ChangeLog 2020-04-24 Tom Tromey <tromey@adacore.com> * dwarf2/read.c (read_structure_type): Handle dynamic length. * gdbtypes.c (is_dynamic_type_internal): Check TYPE_HAS_DYNAMIC_LENGTH. (resolve_dynamic_type_internal): Use TYPE_DYNAMIC_LENGTH. * gdbtypes.h (TYPE_HAS_DYNAMIC_LENGTH, TYPE_DYNAMIC_LENGTH): New macros. (enum dynamic_prop_node_kind) <DYN_PROP_BYTE_SIZE>: New constant. gdb/testsuite/ChangeLog 2020-04-24 Tom Tromey <tromey@adacore.com> * gdb.ada/variant.exp: New file * gdb.ada/variant/pkg.adb: New file * gdb.ada/variant/pck.adb: New file |
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b249d2c2c0 |
Prefer existing data when evaluating DWARF expression
When evaluating a DWARF expression, the dynamic type resolution code will pass in a buffer of bytes via the property_addr_info. However, the DWARF expression evaluator will then proceed to read memory from the inferior, even when the request could be filled from this buffer. This, in turn, is a problem in some cases; and specifically when trying to handle the Ada scenario of extracting a variable-length value from a packed array. Here, the ordinary DWARF expression cannot be directly evaluated, because the data may appear at some arbitrary bit offset. So, it is unpacked into a staging area and then the expression is evaluated -- using an address of 0. This patch fixes the problem by arranging for the DWARF evaluator, in this case, to prefer passed-in memory when possible. The type of the buffer in the property_addr_info is changed to an array_view so that bounds checking can be done. gdb/ChangeLog 2020-04-24 Tom Tromey <tromey@adacore.com> * ada-lang.c (ada_discrete_type_high_bound, ada_discrete_type_low) (ada_value_primitive_packed_val): Update. * ada-valprint.c (ada_value_print_1): Update. * dwarf2/loc.c (evaluate_for_locexpr_baton): New struct. (dwarf2_locexpr_baton_eval): Take a property_addr_info rather than just an address. Use evaluate_for_locexpr_baton. (dwarf2_evaluate_property): Update. * dwarf2/loc.h (struct property_addr_info) <valaddr>: Now an array_view. * findvar.c (default_read_var_value): Update. * gdbtypes.c (compute_variant_fields_inner) (resolve_dynamic_type_internal): Update. (resolve_dynamic_type): Change type of valaddr parameter. * gdbtypes.h (resolve_dynamic_type): Update. * valarith.c (value_subscripted_rvalue): Update. * value.c (value_from_contents_and_address): Update. |
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ef83a141a2 |
Add new variant part code
This patch adds the infrastructure for the new variant part code. At this point, nothing uses this code. This is done in a separate patch to make it simpler to review. I examined a few possible approaches to handling variant parts. In particular, I considered having a DWARF variant part be a union (similar to how the Rust code works now); and I considered having type fields have a flag indicating that they are variants. Having separate types seemed bad conceptually, because these variants aren't truly separate -- they rely on the "parent" type. And, changing how fields worked seemed excessively invasive. So, in the end I thought the approach taken in this patch was both simple to implement and understand, without losing generality. The idea in this patch is that all the fields of a type with variant parts will be stored in a single field array, just as if they'd all been listed directly. Then, the variants are attached as a dynamic property. These control which fields end up in the type that's constructed during dynamic type resolution. gdb/ChangeLog 2020-04-24 Tom Tromey <tromey@adacore.com> * gdbtypes.c (is_dynamic_type_internal): Check for variant parts. (variant::matches, compute_variant_fields_recurse) (compute_variant_fields_inner, compute_variant_fields): New functions. (resolve_dynamic_struct): Check for DYN_PROP_VARIANT_PARTS. Use resolved_type after type is made. (operator==): Add new cases. * gdbtypes.h (TYPE_HAS_VARIANT_PARTS): New macro. (struct discriminant_range, struct variant, struct variant_part): New. (union dynamic_prop_data) <variant_parts, original_type>: New members. (enum dynamic_prop_node_kind) <DYN_PROP_VARIANT_PARTS>: New constant. (enum dynamic_prop_kind) <PROP_TYPE, PROP_VARIANT_PARTS>: New constants. * value.c (unpack_bits_as_long): Now public. * value.h (unpack_bits_as_long): Declare. |
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08feed99cb |
Change get_objfile_arch to a method on objfile
This changes get_objfile_arch to be a new inline method, objfile::arch. To my surprise, this function came up while profiling DWARF psymbol reading. Making this change improved performance from 1.986 seconds to 1.869 seconds. Both measurements were done by taking the mean of 10 runs on a fixed copy of the gdb executable. gdb/ChangeLog 2020-04-18 Tom Tromey <tom@tromey.com> * xcoffread.c (enter_line_range, scan_xcoff_symtab): Update. * value.c (value_fn_field): Update. * valops.c (find_function_in_inferior) (value_allocate_space_in_inferior): Update. * tui/tui-winsource.c (tui_update_source_windows_with_line): Update. * tui/tui-source.c (tui_source_window::set_contents): Update. * symtab.c (lookup_global_or_static_symbol) (find_function_start_sal_1, skip_prologue_sal) (print_msymbol_info, find_gnu_ifunc, symbol_arch): Update. * symmisc.c (dump_msymbols, dump_symtab_1) (maintenance_print_one_line_table): Update. * symfile.c (init_entry_point_info, section_is_mapped) (list_overlays_command, simple_read_overlay_table) (simple_overlay_update_1): Update. * stap-probe.c (handle_stap_probe): Update. * stabsread.c (dbx_init_float_type, define_symbol) (read_one_struct_field, read_enum_type, read_range_type): Update. * source.c (info_line_command): Update. * python/python.c (gdbpy_source_objfile_script) (gdbpy_execute_objfile_script): Update. * python/py-type.c (save_objfile_types): Update. * python/py-objfile.c (py_free_objfile): Update. * python/py-inferior.c (python_new_objfile): Update. * psymtab.c (psym_find_pc_sect_compunit_symtab, dump_psymtab) (dump_psymtab_addrmap_1, maintenance_info_psymtabs) (maintenance_check_psymtabs): Update. * printcmd.c (info_address_command): Update. * objfiles.h (struct objfile) <arch>: New method, from get_objfile_arch. (get_objfile_arch): Don't declare. * objfiles.c (get_objfile_arch): Remove. (filter_overlapping_sections): Update. * minsyms.c (msymbol_is_function): Update. * mi/mi-symbol-cmds.c (mi_cmd_symbol_list_lines) (output_nondebug_symbol): Update. * mdebugread.c (parse_symbol, basic_type, parse_partial_symbols) (mdebug_expand_psymtab): Update. * machoread.c (macho_add_oso_symfile): Update. * linux-tdep.c (linux_infcall_mmap, linux_infcall_munmap): Update. * linux-fork.c (checkpoint_command): Update. * linespec.c (convert_linespec_to_sals): Update. * jit.c (finalize_symtab): Update. * infrun.c (insert_exception_resume_from_probe): Update. * ia64-tdep.c (ia64_find_unwind_table): Update. * hppa-tdep.c (internalize_unwinds): Update. * gdbtypes.c (get_type_arch, init_float_type, objfile_type): Update. * gcore.c (call_target_sbrk): Update. * elfread.c (record_minimal_symbol, elf_symtab_read) (elf_rel_plt_read, elf_gnu_ifunc_record_cache) (elf_gnu_ifunc_resolve_by_got): Update. * dwarf2/read.c (create_addrmap_from_index) (create_addrmap_from_aranges, dw2_find_pc_sect_compunit_symtab) (read_debug_names_from_section) (process_psymtab_comp_unit_reader, add_partial_symbol) (add_partial_subprogram, process_full_comp_unit) (read_file_scope, read_func_scope, read_lexical_block_scope) (read_call_site_scope, dwarf2_ranges_read) (dwarf2_record_block_ranges, dwarf2_add_field) (mark_common_block_symbol_computed, read_tag_pointer_type) (read_tag_string_type, dwarf2_init_float_type) (dwarf2_init_complex_target_type, read_base_type) (partial_die_info::read, partial_die_info::read) (read_attribute_value, dwarf_decode_lines_1, new_symbol) (dwarf2_fetch_die_loc_sect_off): Update. * dwarf2/loc.c (dwarf2_find_location_expression) (class dwarf_evaluate_loc_desc, rw_pieced_value) (dwarf2_evaluate_loc_desc_full, dwarf2_locexpr_baton_eval) (dwarf2_loc_desc_get_symbol_read_needs) (locexpr_describe_location_piece, locexpr_describe_location_1) (loclist_describe_location): Update. * dwarf2/index-write.c (write_debug_names): Update. * dwarf2/frame.c (dwarf2_build_frame_info): Update. * dtrace-probe.c (dtrace_process_dof): Update. * dbxread.c (read_dbx_symtab, dbx_end_psymtab) (process_one_symbol): Update. * ctfread.c (ctf_init_float_type, read_base_type): Update. * coffread.c (coff_symtab_read, enter_linenos, decode_base_type) (coff_read_enum_type): Update. * cli/cli-cmds.c (edit_command, list_command): Update. * buildsym.c (buildsym_compunit::finish_block_internal): Update. * breakpoint.c (create_overlay_event_breakpoint) (create_longjmp_master_breakpoint) (create_std_terminate_master_breakpoint) (create_exception_master_breakpoint, get_sal_arch): Update. * block.c (block_gdbarch): Update. * annotate.c (annotate_source_line): Update. |
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5b930b4538 |
Change how complex types are created
This patch changes how complex types are created. init_complex_type and arch_complex_type are unified, and complex types are reused, by attaching them to the underlying scalar type. gdb/ChangeLog 2020-04-01 Tom Tromey <tom@tromey.com> * stabsread.c (rs6000_builtin_type, read_sun_floating_type) (read_range_type): Update. * mdebugread.c (basic_type): Update. * go-lang.c (build_go_types): Use init_complex_type. * gdbtypes.h (struct main_type) <complex_type>: New member. (init_complex_type): Update. (arch_complex_type): Don't declare. * gdbtypes.c (init_complex_type): Remove "objfile" parameter. Make name if none given. Use alloc_type_copy. Look for cached complex type. (arch_complex_type): Remove. (gdbtypes_post_init): Use init_complex_type. * f-lang.c (build_fortran_types): Use init_complex_type. * dwarf2/read.c (read_base_type): Update. * d-lang.c (build_d_types): Use init_complex_type. * ctfread.c (read_base_type): Update. |
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3104d9ee22 |
gdb: Use std::abs instead of abs on LONGEST types
Use std::abs so that we get the C++ overloaded version that matches the argument type instead of the C abs function which is only for int arguments. There should be no user visible change after this commit. gdb/ChangeLog: * gdbtypes.c (create_array_type_with_stride): Use std::abs not abs. |
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9e80cfa14e |
gdb/fortran: Support negative array stride in one limited case
This commit adds support for negative Fortran array strides in one limited case, that is the case of a single element array with a negative array stride. The changes in this commit will be required in order for more general negative array stride support to work correctly, however, right now other problems in GDB prevent negative array strides from working in the general case. The reason negative array strides don't currently work in the general case is that when dealing with such arrays, the base address for the objects data is actually the highest addressed element, subsequent elements are then accessed with a negative offset from that address, and GDB is not currently happy with this configuration. The changes here can be summarised as, stop treating signed values as unsigned, specifically, the array stride, and offsets calculated using the array stride. This issue was identified on the mailing list by Sergio: https://sourceware.org/ml/gdb-patches/2020-01/msg00360.html The test for this issue is a new one written by me as the copyright status of the original test is currently unknown. gdb/ChangeLog: * gdbtypes.c (create_array_type_with_stride): Handle negative array strides. * valarith.c (value_subscripted_rvalue): Likewise. gdb/testsuite/ChangeLog: * gdb.fortran/derived-type-striding.exp: Add a new test. * gdb.fortran/derived-type-striding.f90: Add pointer variable for new test. |
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82ca895718 |
Move DWARF code to dwarf2/ subdirectory
This moves all the remaining DWARF code to the new dwarf2 subdirectory. This is just a simple renaming, with updates to includes as needed. gdb/ChangeLog 2020-02-08 Tom Tromey <tom@tromey.com> * dwarf2/expr.c: Rename from dwarf2expr.c. * dwarf2/expr.h: Rename from dwarf2expr.h. * dwarf2/frame-tailcall.c: Rename from dwarf2-frame-tailcall.c. * dwarf2/frame-tailcall.h: Rename from dwarf2-frame-tailcall.h. * dwarf2/frame.c: Rename from dwarf2-frame.c. * dwarf2/frame.h: Rename from dwarf2-frame.h. * dwarf2/index-cache.c: Rename from dwarf-index-cache.c. * dwarf2/index-cache.h: Rename from dwarf-index-cache.h. * dwarf2/index-common.c: Rename from dwarf-index-common.c. * dwarf2/index-common.h: Rename from dwarf-index-common.h. * dwarf2/index-write.c: Rename from dwarf-index-write.c. * dwarf2/index-write.h: Rename from dwarf-index-write.h. * dwarf2/loc.c: Rename from dwarf2loc.c. * dwarf2/loc.h: Rename from dwarf2loc.h. * dwarf2/read.c: Rename from dwarf2read.c. * dwarf2/read.h: Rename from dwarf2read.h. * dwarf2/abbrev.c, aarch64-tdep.c, alpha-tdep.c, amd64-darwin-tdep.c, arc-tdep.c, arm-tdep.c, bfin-tdep.c, compile/compile-c-symbols.c, compile/compile-cplus-symbols.c, compile/compile-loc2c.c, cris-tdep.c, csky-tdep.c, findvar.c, gdbtypes.c, guile/scm-type.c, h8300-tdep.c, hppa-bsd-tdep.c, hppa-linux-tdep.c, i386-darwin-tdep.c, i386-linux-tdep.c, i386-tdep.c, iq2000-tdep.c, m32c-tdep.c, m68hc11-tdep.c, m68k-tdep.c, microblaze-tdep.c, mips-tdep.c, mn10300-tdep.c, msp430-tdep.c, nds32-tdep.c, nios2-tdep.c, or1k-tdep.c, riscv-tdep.c, rl78-tdep.c, rs6000-tdep.c, rx-tdep.c, s12z-tdep.c, s390-tdep.c, score-tdep.c, sh-tdep.c, sparc-linux-tdep.c, sparc-tdep.c, sparc64-linux-tdep.c, sparc64-tdep.c, tic6x-tdep.c, tilegx-tdep.c, v850-tdep.c, xstormy16-tdep.c, xtensa-tdep.c: Update. * Makefile.in (COMMON_SFILES): Update. (HFILES_NO_SRCDIR): Update. Change-Id: Ied9ce1436cd27ac4a4cffef10ec92e396f181928 |
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6c2659886f |
gdb: add back declarations for _initialize functions
I'd like to enable the -Wmissing-declarations warning. However, it warns for every _initialize function, for example: CXX dcache.o /home/smarchi/src/binutils-gdb/gdb/dcache.c: In function ‘void _initialize_dcache()’: /home/smarchi/src/binutils-gdb/gdb/dcache.c:688:1: error: no previous declaration for ‘void _initialize_dcache()’ [-Werror=missing-declarations] _initialize_dcache (void) ^~~~~~~~~~~~~~~~~~ The only practical way forward I found is to add back the declarations, which were removed by this commit: commit 481695ed5f6e0a8a9c9c50bfac1cdd2b3151e6c9 Author: John Baldwin <jhb@FreeBSD.org> Date: Sat Sep 9 11:02:37 2017 -0700 Remove unnecessary function prototypes. I don't think it's a big problem to have the declarations for these functions, but if anybody has a better solution for this, I'll be happy to use it. gdb/ChangeLog: * aarch64-fbsd-nat.c (_initialize_aarch64_fbsd_nat): Add declaration. * aarch64-fbsd-tdep.c (_initialize_aarch64_fbsd_tdep): Add declaration. * aarch64-linux-nat.c (_initialize_aarch64_linux_nat): Add declaration. * aarch64-linux-tdep.c (_initialize_aarch64_linux_tdep): Add declaration. * aarch64-newlib-tdep.c (_initialize_aarch64_newlib_tdep): Add declaration. * aarch64-tdep.c (_initialize_aarch64_tdep): Add declaration. * ada-exp.y (_initialize_ada_exp): Add declaration. * ada-lang.c (_initialize_ada_language): Add declaration. * ada-tasks.c (_initialize_tasks): Add declaration. * agent.c (_initialize_agent): Add declaration. * aix-thread.c (_initialize_aix_thread): Add declaration. * alpha-bsd-nat.c (_initialize_alphabsd_nat): Add declaration. * alpha-linux-nat.c (_initialize_alpha_linux_nat): Add declaration. * alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Add declaration. * alpha-nbsd-tdep.c (_initialize_alphanbsd_tdep): Add declaration. * alpha-obsd-tdep.c (_initialize_alphaobsd_tdep): Add declaration. * alpha-tdep.c (_initialize_alpha_tdep): Add declaration. * amd64-darwin-tdep.c (_initialize_amd64_darwin_tdep): Add declaration. * amd64-dicos-tdep.c (_initialize_amd64_dicos_tdep): Add declaration. * amd64-fbsd-nat.c (_initialize_amd64fbsd_nat): Add declaration. * amd64-fbsd-tdep.c (_initialize_amd64fbsd_tdep): Add declaration. * amd64-linux-nat.c (_initialize_amd64_linux_nat): Add declaration. * amd64-linux-tdep.c (_initialize_amd64_linux_tdep): Add declaration. * amd64-nbsd-nat.c (_initialize_amd64nbsd_nat): Add declaration. * amd64-nbsd-tdep.c (_initialize_amd64nbsd_tdep): Add declaration. * amd64-obsd-nat.c (_initialize_amd64obsd_nat): Add declaration. * amd64-obsd-tdep.c (_initialize_amd64obsd_tdep): Add declaration. * amd64-sol2-tdep.c (_initialize_amd64_sol2_tdep): Add declaration. * amd64-tdep.c (_initialize_amd64_tdep): Add declaration. * amd64-windows-nat.c (_initialize_amd64_windows_nat): Add declaration. * amd64-windows-tdep.c (_initialize_amd64_windows_tdep): Add declaration. * annotate.c (_initialize_annotate): Add declaration. * arc-newlib-tdep.c (_initialize_arc_newlib_tdep): Add declaration. * arc-tdep.c (_initialize_arc_tdep): Add declaration. * arch-utils.c (_initialize_gdbarch_utils): Add declaration. * arm-fbsd-nat.c (_initialize_arm_fbsd_nat): Add declaration. * arm-fbsd-tdep.c (_initialize_arm_fbsd_tdep): Add declaration. * arm-linux-nat.c (_initialize_arm_linux_nat): Add declaration. * arm-linux-tdep.c (_initialize_arm_linux_tdep): Add declaration. * arm-nbsd-nat.c (_initialize_arm_netbsd_nat): Add declaration. * arm-nbsd-tdep.c (_initialize_arm_netbsd_tdep): Add declaration. * arm-obsd-tdep.c (_initialize_armobsd_tdep): Add declaration. * arm-pikeos-tdep.c (_initialize_arm_pikeos_tdep): Add declaration. * arm-symbian-tdep.c (_initialize_arm_symbian_tdep): Add declaration. * arm-tdep.c (_initialize_arm_tdep): Add declaration. * arm-wince-tdep.c (_initialize_arm_wince_tdep): Add declaration. * auto-load.c (_initialize_auto_load): Add declaration. * auxv.c (_initialize_auxv): Add declaration. * avr-tdep.c (_initialize_avr_tdep): Add declaration. * ax-gdb.c (_initialize_ax_gdb): Add declaration. * bfin-linux-tdep.c (_initialize_bfin_linux_tdep): Add declaration. * bfin-tdep.c (_initialize_bfin_tdep): Add declaration. * break-catch-sig.c (_initialize_break_catch_sig): Add declaration. * break-catch-syscall.c (_initialize_break_catch_syscall): Add declaration. * break-catch-throw.c (_initialize_break_catch_throw): Add declaration. * breakpoint.c (_initialize_breakpoint): Add declaration. * bsd-uthread.c (_initialize_bsd_uthread): Add declaration. * btrace.c (_initialize_btrace): Add declaration. * charset.c (_initialize_charset): Add declaration. * cli/cli-cmds.c (_initialize_cli_cmds): Add declaration. * cli/cli-dump.c (_initialize_cli_dump): Add declaration. * cli/cli-interp.c (_initialize_cli_interp): Add declaration. * cli/cli-logging.c (_initialize_cli_logging): Add declaration. * cli/cli-script.c (_initialize_cli_script): Add declaration. * cli/cli-style.c (_initialize_cli_style): Add declaration. * coff-pe-read.c (_initialize_coff_pe_read): Add declaration. * coffread.c (_initialize_coffread): Add declaration. * compile/compile-cplus-types.c (_initialize_compile_cplus_types): Add declaration. * compile/compile.c (_initialize_compile): Add declaration. * complaints.c (_initialize_complaints): Add declaration. * completer.c (_initialize_completer): Add declaration. * copying.c (_initialize_copying): Add declaration. * corefile.c (_initialize_core): Add declaration. * corelow.c (_initialize_corelow): Add declaration. * cp-abi.c (_initialize_cp_abi): Add declaration. * cp-namespace.c (_initialize_cp_namespace): Add declaration. * cp-support.c (_initialize_cp_support): Add declaration. * cp-valprint.c (_initialize_cp_valprint): Add declaration. * cris-linux-tdep.c (_initialize_cris_linux_tdep): Add declaration. * cris-tdep.c (_initialize_cris_tdep): Add declaration. * csky-linux-tdep.c (_initialize_csky_linux_tdep): Add declaration. * csky-tdep.c (_initialize_csky_tdep): Add declaration. * ctfread.c (_initialize_ctfread): Add declaration. * d-lang.c (_initialize_d_language): Add declaration. * darwin-nat-info.c (_initialize_darwin_info_commands): Add declaration. * darwin-nat.c (_initialize_darwin_nat): Add declaration. * dbxread.c (_initialize_dbxread): Add declaration. * dcache.c (_initialize_dcache): Add declaration. * disasm-selftests.c (_initialize_disasm_selftests): Add declaration. * disasm.c (_initialize_disasm): Add declaration. * dtrace-probe.c (_initialize_dtrace_probe): Add declaration. * dummy-frame.c (_initialize_dummy_frame): Add declaration. * dwarf-index-cache.c (_initialize_index_cache): Add declaration. * dwarf-index-write.c (_initialize_dwarf_index_write): Add declaration. * dwarf2-frame-tailcall.c (_initialize_tailcall_frame): Add declaration. * dwarf2-frame.c (_initialize_dwarf2_frame): Add declaration. * dwarf2expr.c (_initialize_dwarf2expr): Add declaration. * dwarf2loc.c (_initialize_dwarf2loc): Add declaration. * dwarf2read.c (_initialize_dwarf2_read): Add declaration. * elfread.c (_initialize_elfread): Add declaration. * exec.c (_initialize_exec): Add declaration. * extension.c (_initialize_extension): Add declaration. * f-lang.c (_initialize_f_language): Add declaration. * f-valprint.c (_initialize_f_valprint): Add declaration. * fbsd-nat.c (_initialize_fbsd_nat): Add declaration. * fbsd-tdep.c (_initialize_fbsd_tdep): Add declaration. * filesystem.c (_initialize_filesystem): Add declaration. * findcmd.c (_initialize_mem_search): Add declaration. * findvar.c (_initialize_findvar): Add declaration. * fork-child.c (_initialize_fork_child): Add declaration. * frame-base.c (_initialize_frame_base): Add declaration. * frame-unwind.c (_initialize_frame_unwind): Add declaration. * frame.c (_initialize_frame): Add declaration. * frv-linux-tdep.c (_initialize_frv_linux_tdep): Add declaration. * frv-tdep.c (_initialize_frv_tdep): Add declaration. * ft32-tdep.c (_initialize_ft32_tdep): Add declaration. * gcore.c (_initialize_gcore): Add declaration. * gdb-demangle.c (_initialize_gdb_demangle): Add declaration. * gdb_bfd.c (_initialize_gdb_bfd): Add declaration. * gdbarch-selftests.c (_initialize_gdbarch_selftests): Add declaration. * gdbarch.c (_initialize_gdbarch): Add declaration. * gdbtypes.c (_initialize_gdbtypes): Add declaration. * gnu-nat.c (_initialize_gnu_nat): Add declaration. * gnu-v2-abi.c (_initialize_gnu_v2_abi): Add declaration. * gnu-v3-abi.c (_initialize_gnu_v3_abi): Add declaration. * go-lang.c (_initialize_go_language): Add declaration. * go32-nat.c (_initialize_go32_nat): Add declaration. * guile/guile.c (_initialize_guile): Add declaration. * h8300-tdep.c (_initialize_h8300_tdep): Add declaration. * hppa-linux-nat.c (_initialize_hppa_linux_nat): Add declaration. * hppa-linux-tdep.c (_initialize_hppa_linux_tdep): Add declaration. * hppa-nbsd-nat.c (_initialize_hppanbsd_nat): Add declaration. * hppa-nbsd-tdep.c (_initialize_hppanbsd_tdep): Add declaration. * hppa-obsd-nat.c (_initialize_hppaobsd_nat): Add declaration. * hppa-obsd-tdep.c (_initialize_hppabsd_tdep): Add declaration. * hppa-tdep.c (_initialize_hppa_tdep): Add declaration. * i386-bsd-nat.c (_initialize_i386bsd_nat): Add declaration. * i386-cygwin-tdep.c (_initialize_i386_cygwin_tdep): Add declaration. * i386-darwin-nat.c (_initialize_i386_darwin_nat): Add declaration. * i386-darwin-tdep.c (_initialize_i386_darwin_tdep): Add declaration. * i386-dicos-tdep.c (_initialize_i386_dicos_tdep): Add declaration. * i386-fbsd-nat.c (_initialize_i386fbsd_nat): Add declaration. * i386-fbsd-tdep.c (_initialize_i386fbsd_tdep): Add declaration. * i386-gnu-nat.c (_initialize_i386gnu_nat): Add declaration. * i386-gnu-tdep.c (_initialize_i386gnu_tdep): Add declaration. * i386-go32-tdep.c (_initialize_i386_go32_tdep): Add declaration. * i386-linux-nat.c (_initialize_i386_linux_nat): Add declaration. * i386-linux-tdep.c (_initialize_i386_linux_tdep): Add declaration. * i386-nbsd-nat.c (_initialize_i386nbsd_nat): Add declaration. * i386-nbsd-tdep.c (_initialize_i386nbsd_tdep): Add declaration. * i386-nto-tdep.c (_initialize_i386nto_tdep): Add declaration. * i386-obsd-nat.c (_initialize_i386obsd_nat): Add declaration. * i386-obsd-tdep.c (_initialize_i386obsd_tdep): Add declaration. * i386-sol2-nat.c (_initialize_amd64_sol2_nat): Add declaration. * i386-sol2-tdep.c (_initialize_i386_sol2_tdep): Add declaration. * i386-tdep.c (_initialize_i386_tdep): Add declaration. * i386-windows-nat.c (_initialize_i386_windows_nat): Add declaration. * ia64-libunwind-tdep.c (_initialize_libunwind_frame): Add declaration. * ia64-linux-nat.c (_initialize_ia64_linux_nat): Add declaration. * ia64-linux-tdep.c (_initialize_ia64_linux_tdep): Add declaration. * ia64-tdep.c (_initialize_ia64_tdep): Add declaration. * ia64-vms-tdep.c (_initialize_ia64_vms_tdep): Add declaration. * infcall.c (_initialize_infcall): Add declaration. * infcmd.c (_initialize_infcmd): Add declaration. * inflow.c (_initialize_inflow): Add declaration. * infrun.c (_initialize_infrun): Add declaration. * interps.c (_initialize_interpreter): Add declaration. * iq2000-tdep.c (_initialize_iq2000_tdep): Add declaration. * jit.c (_initialize_jit): Add declaration. * language.c (_initialize_language): Add declaration. * linux-fork.c (_initialize_linux_fork): Add declaration. * linux-nat.c (_initialize_linux_nat): Add declaration. * linux-tdep.c (_initialize_linux_tdep): Add declaration. * linux-thread-db.c (_initialize_thread_db): Add declaration. * lm32-tdep.c (_initialize_lm32_tdep): Add declaration. * m2-lang.c (_initialize_m2_language): Add declaration. * m32c-tdep.c (_initialize_m32c_tdep): Add declaration. * m32r-linux-nat.c (_initialize_m32r_linux_nat): Add declaration. * m32r-linux-tdep.c (_initialize_m32r_linux_tdep): Add declaration. * m32r-tdep.c (_initialize_m32r_tdep): Add declaration. * m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration. * m68k-bsd-nat.c (_initialize_m68kbsd_nat): Add declaration. * m68k-bsd-tdep.c (_initialize_m68kbsd_tdep): Add declaration. * m68k-linux-nat.c (_initialize_m68k_linux_nat): Add declaration. * m68k-linux-tdep.c (_initialize_m68k_linux_tdep): Add declaration. * m68k-tdep.c (_initialize_m68k_tdep): Add declaration. * machoread.c (_initialize_machoread): Add declaration. * macrocmd.c (_initialize_macrocmd): Add declaration. * macroscope.c (_initialize_macroscope): Add declaration. * maint-test-options.c (_initialize_maint_test_options): Add declaration. * maint-test-settings.c (_initialize_maint_test_settings): Add declaration. * maint.c (_initialize_maint_cmds): Add declaration. * mdebugread.c (_initialize_mdebugread): Add declaration. * memattr.c (_initialize_mem): Add declaration. * mep-tdep.c (_initialize_mep_tdep): Add declaration. * mi/mi-cmd-env.c (_initialize_mi_cmd_env): Add declaration. * mi/mi-cmds.c (_initialize_mi_cmds): Add declaration. * mi/mi-interp.c (_initialize_mi_interp): Add declaration. * mi/mi-main.c (_initialize_mi_main): Add declaration. * microblaze-linux-tdep.c (_initialize_microblaze_linux_tdep): Add declaration. * microblaze-tdep.c (_initialize_microblaze_tdep): Add declaration. * mips-fbsd-nat.c (_initialize_mips_fbsd_nat): Add declaration. * mips-fbsd-tdep.c (_initialize_mips_fbsd_tdep): Add declaration. * mips-linux-nat.c (_initialize_mips_linux_nat): Add declaration. * mips-linux-tdep.c (_initialize_mips_linux_tdep): Add declaration. * mips-nbsd-nat.c (_initialize_mipsnbsd_nat): Add declaration. * mips-nbsd-tdep.c (_initialize_mipsnbsd_tdep): Add declaration. * mips-sde-tdep.c (_initialize_mips_sde_tdep): Add declaration. * mips-tdep.c (_initialize_mips_tdep): Add declaration. * mips64-obsd-nat.c (_initialize_mips64obsd_nat): Add declaration. * mips64-obsd-tdep.c (_initialize_mips64obsd_tdep): Add declaration. * mipsread.c (_initialize_mipsread): Add declaration. * mn10300-linux-tdep.c (_initialize_mn10300_linux_tdep): Add declaration. * mn10300-tdep.c (_initialize_mn10300_tdep): Add declaration. * moxie-tdep.c (_initialize_moxie_tdep): Add declaration. * msp430-tdep.c (_initialize_msp430_tdep): Add declaration. * nds32-tdep.c (_initialize_nds32_tdep): Add declaration. * nios2-linux-tdep.c (_initialize_nios2_linux_tdep): Add declaration. * nios2-tdep.c (_initialize_nios2_tdep): Add declaration. * nto-procfs.c (_initialize_procfs): Add declaration. * objc-lang.c (_initialize_objc_language): Add declaration. * observable.c (_initialize_observer): Add declaration. * opencl-lang.c (_initialize_opencl_language): Add declaration. * or1k-linux-tdep.c (_initialize_or1k_linux_tdep): Add declaration. * or1k-tdep.c (_initialize_or1k_tdep): Add declaration. * osabi.c (_initialize_gdb_osabi): Add declaration. * osdata.c (_initialize_osdata): Add declaration. * p-valprint.c (_initialize_pascal_valprint): Add declaration. * parse.c (_initialize_parse): Add declaration. * ppc-fbsd-nat.c (_initialize_ppcfbsd_nat): Add declaration. * ppc-fbsd-tdep.c (_initialize_ppcfbsd_tdep): Add declaration. * ppc-linux-nat.c (_initialize_ppc_linux_nat): Add declaration. * ppc-linux-tdep.c (_initialize_ppc_linux_tdep): Add declaration. * ppc-nbsd-nat.c (_initialize_ppcnbsd_nat): Add declaration. * ppc-nbsd-tdep.c (_initialize_ppcnbsd_tdep): Add declaration. * ppc-obsd-nat.c (_initialize_ppcobsd_nat): Add declaration. * ppc-obsd-tdep.c (_initialize_ppcobsd_tdep): Add declaration. * printcmd.c (_initialize_printcmd): Add declaration. * probe.c (_initialize_probe): Add declaration. * proc-api.c (_initialize_proc_api): Add declaration. * proc-events.c (_initialize_proc_events): Add declaration. * proc-service.c (_initialize_proc_service): Add declaration. * procfs.c (_initialize_procfs): Add declaration. * producer.c (_initialize_producer): Add declaration. * psymtab.c (_initialize_psymtab): Add declaration. * python/python.c (_initialize_python): Add declaration. * ravenscar-thread.c (_initialize_ravenscar): Add declaration. * record-btrace.c (_initialize_record_btrace): Add declaration. * record-full.c (_initialize_record_full): Add declaration. * record.c (_initialize_record): Add declaration. * regcache-dump.c (_initialize_regcache_dump): Add declaration. * regcache.c (_initialize_regcache): Add declaration. * reggroups.c (_initialize_reggroup): Add declaration. * remote-notif.c (_initialize_notif): Add declaration. * remote-sim.c (_initialize_remote_sim): Add declaration. * remote.c (_initialize_remote): Add declaration. * reverse.c (_initialize_reverse): Add declaration. * riscv-fbsd-nat.c (_initialize_riscv_fbsd_nat): Add declaration. * riscv-fbsd-tdep.c (_initialize_riscv_fbsd_tdep): Add declaration. * riscv-linux-nat.c (_initialize_riscv_linux_nat): Add declaration. * riscv-linux-tdep.c (_initialize_riscv_linux_tdep): Add declaration. * riscv-tdep.c (_initialize_riscv_tdep): Add declaration. * rl78-tdep.c (_initialize_rl78_tdep): Add declaration. * rs6000-aix-tdep.c (_initialize_rs6000_aix_tdep): Add declaration. * rs6000-lynx178-tdep.c (_initialize_rs6000_lynx178_tdep): Add declaration. * rs6000-nat.c (_initialize_rs6000_nat): Add declaration. * rs6000-tdep.c (_initialize_rs6000_tdep): Add declaration. * run-on-main-thread.c (_initialize_run_on_main_thread): Add declaration. * rust-exp.y (_initialize_rust_exp): Add declaration. * rx-tdep.c (_initialize_rx_tdep): Add declaration. * s12z-tdep.c (_initialize_s12z_tdep): Add declaration. * s390-linux-nat.c (_initialize_s390_nat): Add declaration. * s390-linux-tdep.c (_initialize_s390_linux_tdep): Add declaration. * s390-tdep.c (_initialize_s390_tdep): Add declaration. * score-tdep.c (_initialize_score_tdep): Add declaration. * ser-go32.c (_initialize_ser_dos): Add declaration. * ser-mingw.c (_initialize_ser_windows): Add declaration. * ser-pipe.c (_initialize_ser_pipe): Add declaration. * ser-tcp.c (_initialize_ser_tcp): Add declaration. * ser-uds.c (_initialize_ser_socket): Add declaration. * ser-unix.c (_initialize_ser_hardwire): Add declaration. * serial.c (_initialize_serial): Add declaration. * sh-linux-tdep.c (_initialize_sh_linux_tdep): Add declaration. * sh-nbsd-nat.c (_initialize_shnbsd_nat): Add declaration. * sh-nbsd-tdep.c (_initialize_shnbsd_tdep): Add declaration. * sh-tdep.c (_initialize_sh_tdep): Add declaration. * skip.c (_initialize_step_skip): Add declaration. * sol-thread.c (_initialize_sol_thread): Add declaration. * solib-aix.c (_initialize_solib_aix): Add declaration. * solib-darwin.c (_initialize_darwin_solib): Add declaration. * solib-dsbt.c (_initialize_dsbt_solib): Add declaration. * solib-frv.c (_initialize_frv_solib): Add declaration. * solib-svr4.c (_initialize_svr4_solib): Add declaration. * solib-target.c (_initialize_solib_target): Add declaration. * solib.c (_initialize_solib): Add declaration. * source-cache.c (_initialize_source_cache): Add declaration. * source.c (_initialize_source): Add declaration. * sparc-linux-nat.c (_initialize_sparc_linux_nat): Add declaration. * sparc-linux-tdep.c (_initialize_sparc_linux_tdep): Add declaration. * sparc-nat.c (_initialize_sparc_nat): Add declaration. * sparc-nbsd-nat.c (_initialize_sparcnbsd_nat): Add declaration. * sparc-nbsd-tdep.c (_initialize_sparcnbsd_tdep): Add declaration. * sparc-obsd-tdep.c (_initialize_sparc32obsd_tdep): Add declaration. * sparc-sol2-tdep.c (_initialize_sparc_sol2_tdep): Add declaration. * sparc-tdep.c (_initialize_sparc_tdep): Add declaration. * sparc64-fbsd-nat.c (_initialize_sparc64fbsd_nat): Add declaration. * sparc64-fbsd-tdep.c (_initialize_sparc64fbsd_tdep): Add declaration. * sparc64-linux-nat.c (_initialize_sparc64_linux_nat): Add declaration. * sparc64-linux-tdep.c (_initialize_sparc64_linux_tdep): Add declaration. * sparc64-nat.c (_initialize_sparc64_nat): Add declaration. * sparc64-nbsd-nat.c (_initialize_sparc64nbsd_nat): Add declaration. * sparc64-nbsd-tdep.c (_initialize_sparc64nbsd_tdep): Add declaration. * sparc64-obsd-nat.c (_initialize_sparc64obsd_nat): Add declaration. * sparc64-obsd-tdep.c (_initialize_sparc64obsd_tdep): Add declaration. * sparc64-sol2-tdep.c (_initialize_sparc64_sol2_tdep): Add declaration. * sparc64-tdep.c (_initialize_sparc64_adi_tdep): Add declaration. * stabsread.c (_initialize_stabsread): Add declaration. * stack.c (_initialize_stack): Add declaration. * stap-probe.c (_initialize_stap_probe): Add declaration. * std-regs.c (_initialize_frame_reg): Add declaration. * symfile-debug.c (_initialize_symfile_debug): Add declaration. * symfile-mem.c (_initialize_symfile_mem): Add declaration. * symfile.c (_initialize_symfile): Add declaration. * symmisc.c (_initialize_symmisc): Add declaration. * symtab.c (_initialize_symtab): Add declaration. * target.c (_initialize_target): Add declaration. * target-connection.c (_initialize_target_connection): Add declaration. * target-dcache.c (_initialize_target_dcache): Add declaration. * target-descriptions.c (_initialize_target_descriptions): Add declaration. * thread.c (_initialize_thread): Add declaration. * tic6x-linux-tdep.c (_initialize_tic6x_linux_tdep): Add declaration. * tic6x-tdep.c (_initialize_tic6x_tdep): Add declaration. * tilegx-linux-nat.c (_initialize_tile_linux_nat): Add declaration. * tilegx-linux-tdep.c (_initialize_tilegx_linux_tdep): Add declaration. * tilegx-tdep.c (_initialize_tilegx_tdep): Add declaration. * tracectf.c (_initialize_ctf): Add declaration. * tracefile-tfile.c (_initialize_tracefile_tfile): Add declaration. * tracefile.c (_initialize_tracefile): Add declaration. * tracepoint.c (_initialize_tracepoint): Add declaration. * tui/tui-hooks.c (_initialize_tui_hooks): Add declaration. * tui/tui-interp.c (_initialize_tui_interp): Add declaration. * tui/tui-layout.c (_initialize_tui_layout): Add declaration. * tui/tui-regs.c (_initialize_tui_regs): Add declaration. * tui/tui-stack.c (_initialize_tui_stack): Add declaration. * tui/tui-win.c (_initialize_tui_win): Add declaration. * tui/tui.c (_initialize_tui): Add declaration. * typeprint.c (_initialize_typeprint): Add declaration. * ui-style.c (_initialize_ui_style): Add declaration. * unittests/array-view-selftests.c (_initialize_array_view_selftests): Add declaration. * unittests/child-path-selftests.c (_initialize_child_path_selftests): Add declaration. * unittests/cli-utils-selftests.c (_initialize_cli_utils_selftests): Add declaration. * unittests/common-utils-selftests.c (_initialize_common_utils_selftests): Add declaration. * unittests/copy_bitwise-selftests.c (_initialize_copy_bitwise_utils_selftests): Add declaration. * unittests/environ-selftests.c (_initialize_environ_selftests): Add declaration. * unittests/filtered_iterator-selftests.c (_initialize_filtered_iterator_selftests): Add declaration. * unittests/format_pieces-selftests.c (_initialize_format_pieces_selftests): Add declaration. * unittests/function-view-selftests.c (_initialize_function_view_selftests): Add declaration. * unittests/help-doc-selftests.c (_initialize_help_doc_selftests): Add declaration. * unittests/lookup_name_info-selftests.c (_initialize_lookup_name_info_selftests): Add declaration. * unittests/main-thread-selftests.c (_initialize_main_thread_selftests): Add declaration. * unittests/memory-map-selftests.c (_initialize_memory_map_selftests): Add declaration. * unittests/memrange-selftests.c (_initialize_memrange_selftests): Add declaration. * unittests/mkdir-recursive-selftests.c (_initialize_mkdir_recursive_selftests): Add declaration. * unittests/observable-selftests.c (_initialize_observer_selftest): Add declaration. * unittests/offset-type-selftests.c (_initialize_offset_type_selftests): Add declaration. * unittests/optional-selftests.c (_initialize_optional_selftests): Add declaration. * unittests/parse-connection-spec-selftests.c (_initialize_parse_connection_spec_selftests): Add declaration. * unittests/rsp-low-selftests.c (_initialize_rsp_low_selftests): Add declaration. * unittests/scoped_fd-selftests.c (_initialize_scoped_fd_selftests): Add declaration. * unittests/scoped_mmap-selftests.c (_initialize_scoped_mmap_selftests): Add declaration. * unittests/scoped_restore-selftests.c (_initialize_scoped_restore_selftests): Add declaration. * unittests/string_view-selftests.c (_initialize_string_view_selftests): Add declaration. * unittests/style-selftests.c (_initialize_style_selftest): Add declaration. * unittests/tracepoint-selftests.c (_initialize_tracepoint_selftests): Add declaration. * unittests/tui-selftests.c (_initialize_tui_selftest): Add declaration. * unittests/unpack-selftests.c (_initialize_unpack_selftests): Add declaration. * unittests/utils-selftests.c (_initialize_utils_selftests): Add declaration. * unittests/vec-utils-selftests.c (_initialize_vec_utils_selftests): Add declaration. * unittests/xml-utils-selftests.c (_initialize_xml_utils): Add declaration. * user-regs.c (_initialize_user_regs): Add declaration. * utils.c (_initialize_utils): Add declaration. * v850-tdep.c (_initialize_v850_tdep): Add declaration. * valops.c (_initialize_valops): Add declaration. * valprint.c (_initialize_valprint): Add declaration. * value.c (_initialize_values): Add declaration. * varobj.c (_initialize_varobj): Add declaration. * vax-bsd-nat.c (_initialize_vaxbsd_nat): Add declaration. * vax-nbsd-tdep.c (_initialize_vaxnbsd_tdep): Add declaration. * vax-tdep.c (_initialize_vax_tdep): Add declaration. * windows-nat.c (_initialize_windows_nat): Add declaration. (_initialize_check_for_gdb_ini): Add declaration. (_initialize_loadable): Add declaration. * windows-tdep.c (_initialize_windows_tdep): Add declaration. * x86-bsd-nat.c (_initialize_x86_bsd_nat): Add declaration. * x86-linux-nat.c (_initialize_x86_linux_nat): Add declaration. * xcoffread.c (_initialize_xcoffread): Add declaration. * xml-support.c (_initialize_xml_support): Add declaration. * xstormy16-tdep.c (_initialize_xstormy16_tdep): Add declaration. * xtensa-linux-nat.c (_initialize_xtensa_linux_nat): Add declaration. * xtensa-linux-tdep.c (_initialize_xtensa_linux_tdep): Add declaration. * xtensa-tdep.c (_initialize_xtensa_tdep): Add declaration. Change-Id: I13eec7e0ed2b3c427377a7bdb055cf46da64def9 |
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b811d2c292 |
Update copyright year range in all GDB files.
gdb/ChangeLog: Update copyright year range in all GDB files. |
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e35000a7f8 |
gdb: recognize new DWARF attributes: defaulted, deleted, calling conv.
Extend GDB's internal representation of types to include the DW_AT_calling_convention, DW_AT_defaulted, and DW_AT_deleted attributes that were introduced in DWARF5. These attributes will be helpful in a future patch about infcall'ing functions with call-by-value parameters. GDB will use the attributes to decide whether the type of a call-by-value parameter is implicitly pass-by-reference. gdb/ChangeLog: 2019-12-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com> * dwarf2read.c (dwarf2_add_member_fn): Read the DW_AT_defaulted and DW_AT_deleted attributes of a function. (read_structure_type): Read the DW_AT_calling_convention attribute of a type. (is_valid_DW_AT_defaulted): New function. (is_valid_DW_AT_calling_convention_for_type): New function. * gdbtypes.h: Include dwarf2.h. (struct fn_field)<defaulted>: New field to store the DW_AT_defaulted attribute. (struct fn_field)<is_deleted>: New field to store the DW_AT_deleted attribute. (struct cplus_struct_type)<calling_convention>: New field to store the DW_AT_calling_convention attribute. (TYPE_FN_FIELD_DEFAULTED): New macro. (TYPE_FN_FIELD_DELETED): New macro. (TYPE_CPLUS_CALLING_CONVENTION): New macro. * gdbtypes.c (dump_fn_fieldlists): Update for the changes made to the .h file. (print_cplus_stuff): Likewise. Change-Id: I54192f363115b78ec7435a8563b73fcace420765 |
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330f1d3825 |
gdb: rank an lvalue argument incompatible for an rvalue parameter
Passing an lvalue argument to a function that takes an rvalue parameter is not allowed per C++ rules. Consider this function: int g (int &&x) { return x; } Calling g as in int i = 5; int j = g (i); is illegal. For instance, GCC 9.2.1 yields ~~~ test.cpp: In function ‘int main()’: test.cpp:6:14: error: cannot bind rvalue reference of type ‘int&&’ to lvalue of type ‘int’ 6 | int j = g (i); | ^ ~~~ GDB currently allows this function call: ~~~ (gdb) print g(i) $1 = 5 ~~~ Fix this by ranking an lvalue argument incompatible with an rvalue parameter. The behavior after this patch is: ~~~ (gdb) print g(i) Cannot resolve function g to any overloaded instance ~~~ Tested with GCC 9.2.1. gdb/ChangeLog: 2019-12-09 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com> * gdbtypes.c (rank_one_type): Return INCOMPATIBLE_TYPE_BADNESS when ranking an lvalue argument for an rvalue parameter. gdb/testsuite/ChangeLog: 2019-12-09 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com> * gdb.cp/rvalue-ref-overload.cc (g): New function that takes an rvalue parameter. * gdb.cp/rvalue-ref-overload.exp: Test calling it with an lvalue parameter. Change-Id: I4a6dfc7dac63efa1e3b9f8f391e4b736fbdccdc1 |
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dfb65191d8 |
Put bcache inside "namespace gdb"
This avoids a conflict with a system "struct bcache" on Solaris (see e.g. https://www.isi.edu/nsnam/archive/ns-users/webarch/2001/msg05393.html) Note that the Solaris conflict for now only surfaces with --enable-targets=all (which the build bot doesn't use). gdb/ChangeLog: 2019-12-06 Christian Biesinger <cbiesinger@google.com> * bcache.c: Put in namespace gdb. * bcache.h: Likewise. * gdbtypes.c (check_types_worklist): Update. (types_deeply_equal): Update. * macrotab.c (struct macro_table) <bcache>: Update. (new_macro_table): Update. * macrotab.h (struct bcache): Put this forward declaration inside namespace gdb. (new_macro_table): Update. * objfiles.h (struct objfile_per_bfd_storage) <filename_cache>: Update. <macro_cache>: Update. * psymtab.h: (psymtab_storage) <psymbol_cache>: Update. Change-Id: I843d5e91f7ccb3db6d1099a8214c15a74510256f |
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06acc08f0a |
gdb: fix overload resolution for see-through references
The overload resolution mechanism assigns badness values to the necessary conversions to be made on types to pick a champion. A badness value consists of a "rank" that scores the conversion and a "subrank" to differentiate conversions of the same kind. An auxiliary function, 'sum_ranks', is used for adding two badness values. In all of its uses, except two, 'sum_ranks' is used for populating the subrank of a badness value. The two exceptions are in 'rank_one_type': ~~~ /* See through references, since we can almost make non-references references. */ if (TYPE_IS_REFERENCE (arg)) return (sum_ranks (rank_one_type (parm, TYPE_TARGET_TYPE (arg), NULL), REFERENCE_CONVERSION_BADNESS)); if (TYPE_IS_REFERENCE (parm)) return (sum_ranks (rank_one_type (TYPE_TARGET_TYPE (parm), arg, NULL), REFERENCE_CONVERSION_BADNESS)); ~~~ Here, the result of a recursive call is combined with REFERENCE_CONVERSION_BADNESS. This leads to the problem of over-punishment by combining two ranks. Consider this: void an_overloaded_function (const foo &); void an_overloaded_function (const foo &&); ... foo arg; an_overloaded_function(arg); When ranking 'an_overloaded_function (const foo &)', the badness values REFERENCE_CONVERSION_BADNESS and CV_CONVERSION_BADNESS are combined, whereas 'rank_one_type' assigns only the REFERENCE_CONVERSION_BADNESS value to 'an_overloaded_function (const foo &&)' (there is a different execution flow for that). This yields in GDB picking the latter function as the overload champion instead of the former. In fact, the 'rank_one_type' function should have given 'an_overloaded_function (const foo &)' the CV_CONVERSION_BADNESS value, with the see-through referencing increasing the subrank a little bit. This can be achieved by introducing a new badness value, REFERENCE_SEE_THROUGH_BADNESS, which bumps up the subrank only, and using it in the two "exceptional" cases of 'sum_ranks'. gdb/ChangeLog: 2019-12-06 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com> * gdbtypes.h: Define the REFERENCE_SEE_THROUGH_BADNESS value. * gdbtypes.c (rank_one_type): Use REFERENCE_SEE_THROUGH_BADNESS for ranking see-through reference cases. gdb/testsuite/ChangeLog: 2019-12-06 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com> * gdb.cp/rvalue-ref-overload.cc: Add a case that involves both CV and reference conversion for overload resolution. * gdb.cp/rvalue-ref-overload.exp: Test it. Change-Id: I39ae6505ab85ad0bd21915368c82540ceeb3aae9 |
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b858499daf |
Remove gdbarch parameter of lookup_typename
I noticed that the gdbarch parameter of lookup_typename was unused, so I removed it (as well as from lookup_signed_typename and lookup_unsigned_typename) and updated all callers. Tested by rebuilding. gdb/ChangeLog: * c-exp.y: Update calls to lookup_typename, lookup_signed_typename and lookup_unsigned_typename. * c-lang.c (evaluate_subexp_c): Likewise. * cp-namespace.c (cp_lookup_symbol_imports_or_template): Likewise. * eval.c (binop_promote): Likewise. * gdbtypes.c (lookup_typename): Remove gdbarch parameter. (lookup_unsigned_typename): Likewise. (lookup_signed_typename): Likewise. * gdbtypes.h (lookup_unsigned_typename): Likewise. (lookup_signed_typename): Likewise. (lookup_typename): Likewise. * guile/scm-type.c (tyscm_lookup_typename): Update calls to lookup_typename, lookup_signed_typename, lookup_unsigned_typename. * m2-exp.y: Likewise. * printcmd.c (printf_wide_c_string): Likewise. (ui_printf): Likewise. * python/py-type.c (typy_lookup_typename): Likewise. * python/py-xmethods.c (python_xmethod_worker::invoke): Likewise. * rust-exp.y: Likewise. |
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a05cf17ab9 |
Propagate endianity to subrange types
A subrange type should inherit its endianity from its base type. gdb/ChangeLog 2019-12-04 Tom Tromey <tromey@adacore.com> * gdbtypes.c (create_range_type): Inherit endianity from base type. gdb/testsuite/ChangeLog 2019-12-04 Tom Tromey <tromey@adacore.com> * gdb.ada/scalar_storage/storage.adb: New file. * gdb.ada/scalar_storage/pck.adb: New file. * gdb.ada/scalar_storage/pck.ads: New file. * gdb.ada/scalar_storage.exp: New file. Change-Id: I2998ab919dc28aeff097763c4242f9bfb90823a3 |
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7ab4a236ce |
Move type_byte_order earlier
I failed to notice that the scalar_storage_order patch put type_byte_order at the end of gdbtypes.c. The end of the file is normally where the file's _initialize function goes. This moves type_byte_order earlier, into a more relevant section. gdb/ChangeLog 2019-12-04 Tom Tromey <tromey@adacore.com> * gdbtypes.c (type_byte_order): Move earlier. Assert for unknown endian-ness. Change-Id: I4666431ecbb32ec98918f39f72d22c86b2bc8dde |
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103a685e7f |
Add scalar_storage_order support for floating point
Testing the scalar_storage_order patch pointed out that it does not handle floating point properly. This patch fixes this problem. gdb/ChangeLog 2019-12-04 Tom Tromey <tromey@adacore.com> * dwarf2read.c (dwarf2_init_float_type) (dwarf2_init_complex_target_type): Add byte_order parameter. (read_base_type): Compute byte order earlier. * gdbtypes.c (init_float_type): Add byte_order parameter. * gdbtypes.h (init_float_type): Add byte_order parameter. gdb/testsuite/ChangeLog 2019-12-04 Tom Tromey <tromey@adacore.com> * gdb.base/endianity.c (struct otherendian) <f>: New field. (main): Initialize it. * gdb.base/endianity.exp: Update. Change-Id: Ic02eb711d80ce678ef0ecf8c506a626e441b8440 |
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216a7e6b9e |
gdb: Dynamic string length support
Add support for strings with dynamic length using the DWARF attribute DW_AT_string_length. Currently gFortran generates DWARF for some strings that make use of DW_AT_string_length like this: <1><2cc>: Abbrev Number: 20 (DW_TAG_string_type) <2cd> DW_AT_string_length: 5 byte block: 99 bd 1 0 0 (DW_OP_call4: <0x1bd>) <2d3> DW_AT_byte_size : 4 <2d4> DW_AT_sibling : <0x2e2> In this type entry the DW_AT_string_length attribute references a second DW_TAG_formal_parameter that contains the string length. The DW_AT_byte_size indicates that the length is a 4-byte value. This commit extends GDB's DWARF parsing for strings so that we can create dynamic types as well as static types, based on the attribute the DWARF contains. I then extend the dynamic type resolution code in gdbtypes.c to add support for resolving dynamic strings. gdb/ChangeLog: * dwarf2read.c (read_tag_string_type): Read the fields required to make a dynamic string, and possibly create a dynamic range for the string. (attr_to_dynamic_prop): Setup is_reference based on the type of attribute being processed. * gdbtypes.c (is_dynamic_type_internal): Handle TYPE_CODE_STRING. (resolve_dynamic_array): Rename to... (resolve_dynamic_array_or_string): ...this, update header comment, and accept TYPE_CODE_STRING. (resolve_dynamic_type_internal): Handle TYPE_CODE_STRING. gdb/testsuite/ChangeLog: * gdb.fortran/array-slices.exp: Add test for dynamic strings. Change-Id: I03f2d181b26156f48f27a03c8a59f9bd4d71ac17 |
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5bbd8269fa |
gdb/fortran: array stride support
Currently GDB supports a byte or bit stride on arrays, in DWARF this would be DW_AT_bit_stride or DW_AT_byte_stride on DW_TAG_array_type. However, DWARF can also support DW_AT_byte_stride or DW_AT_bit_stride on DW_TAG_subrange_type, the tag used to describe each dimension of an array. Strides on subranges are used by gFortran to represent Fortran arrays, and this commit adds support for this to GDB. I've extended the range_bounds struct to include the stride information. The name is possibly a little inaccurate now, but this still sort of makes sense, the structure represents information about the bounds of the range, and also how to move from the lower to the upper bound (the stride). I've added initial support for bit strides, but I've never actually seen an example of this being generated. Further, I don't really see right now how GDB would currently handle a bit stride that was not a multiple of the byte size as the code in, for example, valarith.c:value_subscripted_rvalue seems geared around byte addressing. As a consequence if we see a bit stride that is not a multiple of 8 then GDB will give an error. gdb/ChangeLog: * dwarf2read.c (read_subrange_type): Read bit and byte stride and create a range with stride where appropriate. * f-valprint.c: Include 'gdbarch.h'. (f77_print_array_1): Take the stride into account when walking the array. Also convert the stride into addressable units. * gdbtypes.c (create_range_type): Initialise the stride to constant zero. (create_range_type_with_stride): New function, initialise the range as normal, and then setup the stride. (has_static_range): Include the stride here. Also change the return type to bool. (create_array_type_with_stride): Consider the range stride if the array isn't given its own stride. (resolve_dynamic_range): Resolve the stride if needed. * gdbtypes.h (struct range_bounds) <stride>: New member variable. (struct range_bounds) <flag_is_byte_stride>: New member variable. (TYPE_BIT_STRIDE): Define. (TYPE_ARRAY_BIT_STRIDE): Define. (create_range_type_with_stride): Declare. * valarith.c (value_subscripted_rvalue): Take range stride into account when walking the array. gdb/testsuite/ChangeLog: * gdb.fortran/derived-type-striding.exp: New file. * gdb.fortran/derived-type-striding.f90: New file. * gdb.fortran/array-slices.exp: New file. * gdb.fortran/array-slices.f90: New file. Change-Id: I9af2bcd1f2d4c56f76f5f3f9f89d8f06bef10d9a |
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34877895ca |
Adjust byte order variable display/change if DW_AT_endianity is present.
- Rationale: It is possible for compilers to indicate the desired byte order interpretation of scalar variables using the DWARF attribute: DW_AT_endianity A type flagged with this variable would typically use one of: DW_END_big DW_END_little which instructs the debugger what the desired byte order interpretation of the variable should be. The GCC compiler (as of V6) has a mechanism for setting the desired byte ordering of the fields within a structure or union. For, example, on a little endian target, a structure declared as: struct big { int v; short a[4]; } __attribute__( ( scalar_storage_order( "big-endian" ) ) ); could be used to ensure all the structure members have a big-endian interpretation (the compiler would automatically insert byte swap instructions before and after respective store and load instructions). - To reproduce GCC V8 is required to correctly emit DW_AT_endianity DWARF attributes in all situations when the scalar_storage_order attribute is used. A fix for (dwarf endianity instrumentation) for GCC V6-V7 can be found in the URL field of the following PR: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82509 - Test-case: A new test case (testsuite/gdb.base/endianity.*) is included with this patch. Manual testing for mixed endianity code has also been done with GCC V8. See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82509#c4 - Observed vs. expected: Without this change, using scalar_storage_order that doesn't match the target, such as struct otherendian { int v; } __attribute__( ( scalar_storage_order( "big-endian" ) ) ); would behave like the following on a little endian target: Breakpoint 1 at 0x401135: file endianity.c, line 41. (gdb) run Starting program: /home/pjoot/freeware/t/a.out Missing separate debuginfos, use: debuginfo-install glibc-2.17-292.el7.x86_64 Breakpoint 1, main () at endianity.c:41 41 struct otherendian o = {3}; (gdb) n 43 do_nothing (&o); /* START */ (gdb) p o $1 = {v = 50331648} (gdb) p /x $2 = {v = 0x3000000} whereas with this gdb enhancement we can access the variable with the user specified endianity: Breakpoint 1, main () at endianity.c:41 41 struct otherendian o = {3}; (gdb) p o $1 = {v = 0} (gdb) n 43 do_nothing (&o); /* START */ (gdb) p o $2 = {v = 3} (gdb) p o.v = 4 $3 = 4 (gdb) p o.v $4 = 4 (gdb) x/4xb &o.v 0x7fffffffd90c: 0x00 0x00 0x00 0x04 (observe that the 4 byte int variable has a big endian representation in the hex dump.) gdb/ChangeLog 2019-11-21 Peeter Joot <peeter.joot@lzlabs.com> Byte reverse display of variables with DW_END_big, DW_END_little (DW_AT_endianity) dwarf attributes if different than the native byte order. * ada-lang.c (ada_value_binop): Use type_byte_order instead of gdbarch_byte_order. * ada-valprint.c (printstr): (ada_val_print_string): * ada-lang.c (value_pointer): (ada_value_binop): Use type_byte_order instead of gdbarch_byte_order. * c-lang.c (c_get_string): Use type_byte_order instead of gdbarch_byte_order. * c-valprint.c (c_val_print_array): Use type_byte_order instead of gdbarch_byte_order. * cp-valprint.c (cp_print_class_member): Use type_byte_order instead of gdbarch_byte_order. * dwarf2loc.c (rw_pieced_value): Use type_byte_order instead of gdbarch_byte_order. * dwarf2read.c (read_base_type): Handle DW_END_big, DW_END_little * f-lang.c (f_get_encoding): Use type_byte_order instead of gdbarch_byte_order. * findvar.c (default_read_var_value): Use type_byte_order instead of gdbarch_byte_order. * gdbtypes.c (check_types_equal): Require matching TYPE_ENDIANITY_NOT_DEFAULT if set. (recursive_dump_type): Print TYPE_ENDIANITY_BIG, and TYPE_ENDIANITY_LITTLE if set. (type_byte_order): new function. * gdbtypes.h (TYPE_ENDIANITY_NOT_DEFAULT): New macro. (struct main_type) <flag_endianity_not_default>: New field. (type_byte_order): New function. * infcmd.c (default_print_one_register_info): Use type_byte_order instead of gdbarch_byte_order. * p-lang.c (pascal_printstr): Use type_byte_order instead of gdbarch_byte_order. * p-valprint.c (pascal_val_print): Use type_byte_order instead of gdbarch_byte_order. * printcmd.c (print_scalar_formatted): Use type_byte_order instead of gdbarch_byte_order. * solib-darwin.c (darwin_current_sos): Use type_byte_order instead of gdbarch_byte_order. * solib-svr4.c (solib_svr4_r_ldsomap): Use type_byte_order instead of gdbarch_byte_order. * stap-probe.c (stap_modify_semaphore): Use type_byte_order instead of gdbarch_byte_order. * target-float.c (target_float_same_format_p): Use type_byte_order instead of gdbarch_byte_order. * valarith.c (scalar_binop): (value_bit_index): Use type_byte_order instead of gdbarch_byte_order. * valops.c (value_cast): Use type_byte_order instead of gdbarch_byte_order. * valprint.c (generic_emit_char): (generic_printstr): (val_print_string): Use type_byte_order instead of gdbarch_byte_order. * value.c (unpack_long): (unpack_bits_as_long): (unpack_value_bitfield): (modify_field): (pack_long): (pack_unsigned_long): Use type_byte_order instead of gdbarch_byte_order. * findvar.c (unsigned_pointer_to_address): (signed_pointer_to_address): (unsigned_address_to_pointer): (address_to_signed_pointer): (default_read_var_value): (default_value_from_register): Use type_byte_order instead of gdbarch_byte_order. * gnu-v3-abi.c (gnuv3_make_method_ptr): Use type_byte_order instead of gdbarch_byte_order. * riscv-tdep.c (riscv_print_one_register_info): Use type_byte_order instead of gdbarch_byte_order. gdb/testsuite/ChangeLog 2019-11-21 Peeter Joot <peeter.joot@lzlabs.com> * gdb.base/endianity.c: New test. * gdb.base/endianity.exp: New file. Change-Id: I4bd98c1b4508c2d7c5a5dbb15d7b7b1cb4e667e2 |
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405feb71d4 |
[gdb] Fix typos in comments
Fix typos in comments. NFC. Tested on x86_64-linux. gdb/ChangeLog: 2019-10-17 Tom de Vries <tdevries@suse.de> * arm-nbsd-nat.c: Fix typos in comments. * arm-tdep.c: Same. * darwin-nat-info.c: Same. * dwarf2read.c: Same. * elfread.c: Same. * event-top.c: Same. * findvar.c: Same. * gdbtypes.c: Same. * hppa-tdep.c: Same. * i386-tdep.c: Same. * jit.c: Same. * main.c: Same. * mdebugread.c: Same. * moxie-tdep.c: Same. * nto-procfs.c: Same. * osabi.c: Same. * ppc-linux-tdep.c: Same. * remote.c: Same. * riscv-tdep.c: Same. * s390-tdep.c: Same. * sh-tdep.c: Same. * sparc-linux-tdep.c: Same. * sparc-nat.c: Same. * stack.c: Same. * target-descriptions.c: Same. * top.c: Same. * varobj.c: Same. Change-Id: I6047967abd2d51c9000dea15184d19f4e952c3ff |
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79bb1944d6 |
Move declaration of overload_debug to header
gdb/ChangeLog: 2019-10-08 Christian Biesinger <cbiesinger@google.com> * gdbtypes.c (overload_debug): Move comment to header. * gdbtypes.h (overload_debug): Declare. * valops.c: Remove declaration of overload_debug, instead include gdbtypes.h. |
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491144b5e2 |
Change boolean options to bool instead of int
This is for add_setshow_boolean_cmd as well as the gdb::option interface. gdb/ChangeLog: 2019-09-17 Christian Biesinger <cbiesinger@google.com> * ada-lang.c (ada_ignore_descriptive_types_p): Change to bool. (print_signatures): Likewise. (trust_pad_over_xvs): Likewise. * arch/aarch64-insn.c (aarch64_debug): Likewise. * arch/aarch64-insn.h (aarch64_debug): Likewise. * arm-linux-nat.c (arm_apcs_32): Likewise. * arm-linux-tdep.c (arm_apcs_32): Likewise. * arm-nbsd-nat.c (arm_apcs_32): Likewise. * arm-tdep.c (arm_debug): Likewise. (arm_apcs_32): Likewise. * auto-load.c (debug_auto_load): Likewise. (auto_load_gdb_scripts): Likewise. (global_auto_load): Likewise. (auto_load_local_gdbinit): Likewise. (auto_load_local_gdbinit_loaded): Likewise. * auto-load.h (global_auto_load): Likewise. (auto_load_local_gdbinit): Likewise. (auto_load_local_gdbinit_loaded): Likewise. * breakpoint.c (disconnected_dprintf): Likewise. (breakpoint_proceeded): Likewise. (automatic_hardware_breakpoints): Likewise. (always_inserted_mode): Likewise. (target_exact_watchpoints): Likewise. (_initialize_breakpoint): Update. * breakpoint.h (target_exact_watchpoints): Change to bool. * btrace.c (maint_btrace_pt_skip_pad): Likewise. * cli/cli-cmds.c (trace_commands): Likewise. * cli/cli-cmds.h (trace_commands): Likewise. * cli/cli-decode.c (add_setshow_boolean_cmd): Change int* argument to bool*. * cli/cli-logging.c (logging_overwrite): Change to bool. (logging_redirect): Likewise. (debug_redirect): Likewise. * cli/cli-option.h (option_def) <boolean>: Change return type to bool*. (struct boolean_option_def) <get_var_address_cb_>: Change return type to bool. <boolean_option_def>: Update. (struct flag_option_def): Change default type of Context to bool from int. <flag_option_def>: Change return type of var_address_cb_ to bool*. * cli/cli-setshow.c (do_set_command): Cast to bool* instead of int*. (get_setshow_command_value_string): Likewise. * cli/cli-style.c (cli_styling): Change to bool. (source_styling): Likewise. * cli/cli-style.h (source_styling): Likewise. (cli_styling): Likewise. * cli/cli-utils.h (struct qcs_flags) <quiet, cont, silent>: Change to bool. * command.h (var_types): Update comment. (add_setshow_boolean_cmd): Change int* var argument to bool*. * compile/compile-cplus-types.c (debug_compile_cplus_types): Change to bool. (debug_compile_cplus_scopes): Likewise. * compile/compile-internal.h (compile_debug): Likewise. * compile/compile.c (compile_debug): Likewise. (struct compile_options) <raw>: Likewise. * cp-support.c (catch_demangler_crashes): Likewise. * cris-tdep.c (usr_cmd_cris_version_valid): Likewise. (usr_cmd_cris_dwarf2_cfi): Likewise. * csky-tdep.c (csky_debug): Likewise. * darwin-nat.c (enable_mach_exceptions): Likewise. * dcache.c (dcache_enabled_p): Likewise. * defs.h (info_verbose): Likewise. * demangle.c (demangle): Likewise. (asm_demangle): Likewise. * dwarf-index-cache.c (debug_index_cache): Likewise. * dwarf2-frame.c (dwarf2_frame_unwinders_enabled_p): Likewise. * dwarf2-frame.h (dwarf2_frame_unwinders_enabled_p): Likewise. * dwarf2read.c (check_physname): Likewise. (use_deprecated_index_sections): Likewise. (dwarf_always_disassemble): Likewise. * eval.c (overload_resolution): Likewise. * event-top.c (set_editing_cmd_var): Likewise. (exec_done_display_p): Likewise. * event-top.h (set_editing_cmd_var): Likewise. (exec_done_display_p): Likewise. * exec.c (write_files): Likewise. * fbsd-nat.c (debug_fbsd_lwp): Likewise (debug_fbsd_nat): Likewise. * frame.h (struct frame_print_options) <print_raw_frame_arguments>: Likewise. (struct set_backtrace_options) <backtrace_past_main>: Likewise. <backtrace_past_entry> Likewise. * gdb-demangle.h (demangle): Likewise. (asm_demangle): Likewise. * gdb_bfd.c (bfd_sharing): Likewise. * gdbcore.h (write_files): Likewise. * gdbsupport/common-debug.c (show_debug_regs): Likewise. * gdbsupport/common-debug.h (show_debug_regs): Likewise. * gdbthread.h (print_thread_events): Likewise. * gdbtypes.c (opaque_type_resolution): Likewise. (strict_type_checking): Likewise. * gnu-nat.c (gnu_debug_flag): Likewise. * guile/scm-auto-load.c (auto_load_guile_scripts): Likewise. * guile/scm-param.c (pascm_variable): Add boolval. (add_setshow_generic): Update. (pascm_param_value): Update. (pascm_set_param_value_x): Update. * hppa-tdep.c (hppa_debug): Change to bool.. * infcall.c (may_call_functions_p): Likewise. (coerce_float_to_double_p): Likewise. (unwind_on_signal_p): Likewise. (unwind_on_terminating_exception_p): Likewise. * infcmd.c (startup_with_shell): Likewise. * inferior.c (print_inferior_events): Likewise. * inferior.h (startup_with_shell): Likewise. (print_inferior_events): Likewise. * infrun.c (step_stop_if_no_debug): Likewise. (detach_fork): Likewise. (debug_displaced): Likewise. (disable_randomization): Likewise. (non_stop): Likewise. (non_stop_1): Likewise. (observer_mode): Likewise. (observer_mode_1): Likewise. (set_observer_mode): Update. (sched_multi): Change to bool. * infrun.h (debug_displaced): Likewise. (sched_multi): Likewise. (step_stop_if_no_debug): Likewise. (non_stop): Likewise. (disable_randomization): Likewise. * linux-tdep.c (use_coredump_filter): Likewise. (dump_excluded_mappings): Likewise. * linux-thread-db.c (auto_load_thread_db): Likewise. (check_thread_db_on_load): Likewise. * main.c (captured_main_1): Update. * maint-test-options.c (struct test_options_opts) <flag_opt, xx1_opt, xx2_opt, boolean_opt>: Change to bool. * maint-test-settings.c (maintenance_test_settings_boolean): Likewise. * maint.c (maintenance_profile_p): Likewise. (per_command_time): Likewise. (per_command_space): Likewise. (per_command_symtab): Likewise. * memattr.c (inaccessible_by_default): Likewise. * mi/mi-main.c (mi_async): Likewise. (mi_async_1): Likewise. * mips-tdep.c (mips64_transfers_32bit_regs_p): Likewise. * nat/fork-inferior.h (startup_with_shell): Likewise. * nat/linux-namespaces.c (debug_linux_namespaces): Likewise. * nat/linux-namespaces.h (debug_linux_namespaces): Likewise. * nios2-tdep.c (nios2_debug): Likewise. * or1k-tdep.c (or1k_debug): Likewise. * parse.c (parser_debug): Likewise. * parser-defs.h (parser_debug): Likewise. * printcmd.c (print_symbol_filename): Likewise. * proc-api.c (procfs_trace): Likewise. * python/py-auto-load.c (auto_load_python_scripts): Likewise. * python/py-param.c (union parmpy_variable): Add "bool boolval" field. (set_parameter_value): Update. (add_setshow_generic): Update. * python/py-value.c (copy_py_bool_obj): Change argument from int* to bool*. * python/python.c (gdbpy_parameter_value): Cast to bool* instead of int*. * ravenscar-thread.c (ravenscar_task_support): Change to bool. * record-btrace.c (record_btrace_target::store_registers): Update. * record-full.c (record_full_memory_query): Change to bool. (record_full_stop_at_limit): Likewise. * record-full.h (record_full_memory_query): Likewise. * remote-notif.c (notif_debug): Likewise. * remote-notif.h (notif_debug): Likewise. * remote.c (use_range_stepping): Likewise. (interrupt_on_connect): Likewise. (remote_break): Likewise. * ser-tcp.c (tcp_auto_retry): Likewise. * ser-unix.c (serial_hwflow): Likewise. * skip.c (debug_skip): Likewise. * solib-aix.c (solib_aix_debug): Likewise. * spu-tdep.c (spu_stop_on_load_p): Likewise. (spu_auto_flush_cache_p): Likewise. * stack.c (struct backtrace_cmd_options) <full, no_filters, hide>: Likewise. (struct info_print_options) <quiet>: Likewise. * symfile-debug.c (debug_symfile): Likewise. * symfile.c (auto_solib_add): Likewise. (separate_debug_file_debug): Likewise. * symfile.h (auto_solib_add): Likewise. (separate_debug_file_debug): Likewise. * symtab.c (basenames_may_differ): Likewise. (struct filename_partial_match_opts) <dirname, basename>: Likewise. (struct info_print_options) <quiet, exclude_minsyms>: Likewise. (struct info_types_options) <quiet>: Likewise. * symtab.h (demangle): Likewise. (basenames_may_differ): Likewise. * target-dcache.c (stack_cache_enabled_1): Likewise. (code_cache_enabled_1): Likewise. * target.c (trust_readonly): Likewise. (may_write_registers): Likewise. (may_write_memory): Likewise. (may_insert_breakpoints): Likewise. (may_insert_tracepoints): Likewise. (may_insert_fast_tracepoints): Likewise. (may_stop): Likewise. (auto_connect_native_target): Likewise. (target_stop_and_wait): Update. (target_async_permitted): Change to bool. (target_async_permitted_1): Likewise. (may_write_registers_1): Likewise. (may_write_memory_1): Likewise. (may_insert_breakpoints_1): Likewise. (may_insert_tracepoints_1): Likewise. (may_insert_fast_tracepoints_1): Likewise. (may_stop_1): Likewise. * target.h (target_async_permitted): Likewise. (may_write_registers): Likewise. (may_write_memory): Likewise. (may_insert_breakpoints): Likewise. (may_insert_tracepoints): Likewise. (may_insert_fast_tracepoints): Likewise. (may_stop): Likewise. * thread.c (struct info_threads_opts) <show_global_ids>: Likewise. (make_thread_apply_all_options_def_group): Change argument from int* to bool*. (thread_apply_all_command): Update. (print_thread_events): Change to bool. * top.c (confirm): Likewise. (command_editing_p): Likewise. (history_expansion_p): Likewise. (write_history_p): Likewise. (info_verbose): Likewise. * top.h (confirm): Likewise. (history_expansion_p): Likewise. * tracepoint.c (disconnected_tracing): Likewise. (circular_trace_buffer): Likewise. * typeprint.c (print_methods): Likewise. (print_typedefs): Likewise. * utils.c (debug_timestamp): Likewise. (sevenbit_strings): Likewise. (pagination_enabled): Likewise. * utils.h (sevenbit_strings): Likewise. (pagination_enabled): Likewise. * valops.c (overload_resolution): Likewise. * valprint.h (struct value_print_options) <prettyformat_arrays, prettyformat_structs, vtblprint, unionprint, addressprint, objectprint, stop_print_at_null, print_array_indexes, deref_ref, static_field_print, pascal_static_field_print, raw, summary, symbol_print, finish_print>: Likewise. * windows-nat.c (new_console): Likewise. (cygwin_exceptions): Likewise. (new_group): Likewise. (debug_exec): Likewise. (debug_events): Likewise. (debug_memory): Likewise. (debug_exceptions): Likewise. (useshell): Likewise. * windows-tdep.c (maint_display_all_tib): Likewise. * xml-support.c (debug_xml): Likewise. |
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4e962e74e4 |
Handle biased types
In Ada, the programmer can request that a range type with a non-zero base be stored in the minimal number of bits required for the range. This is done by biasing the values; so, for example, a range of -7..-4 may be stored as two bits with a bias of -7. This patch implements this for gdb. It is done by adding a bias to struct range_bounds and then adjusting a few spots to handle this. The test case is written to use -fgnat-encodings=minimal, but a future compiler patch will change the compiler to emit DW_AT_GNU_bias with -fgnat-encodings=gdb. It seemed good to get the gdb patch in first. Tested on x86-64 Fedora 29; plus a variety of targets using AdaCore's internal test suite. gdb/ChangeLog 2019-09-03 Tom Tromey <tromey@adacore.com> * ada-valprint.c (ada_val_print_num): Don't recurse for range types. (has_negatives): Unbias a range type bound. * dwarf2read.c (read_subrange_type): Handle DW_AT_GNU_bias. * gdbtypes.c (operator==): Handle new field. (create_range_type): Add "bias" parameter. (create_static_range_type, resolve_dynamic_range): Update. * gdbtypes.h (struct range_bounds) <bias>: New member. (create_range_type): Add bias parameter. * printcmd.c (print_scalar_formatted): Unbias range types. * value.c (unpack_long): Unbias range types. (pack_long): Bias range types. gdb/testsuite/ChangeLog 2019-09-03 Tom Tromey <tromey@adacore.com> * gdb.ada/bias.exp: New file. * gdb.ada/bias/bias.adb: New file. * gdb.ada/print_chars.exp: Add regression test. * gdb.ada/print_chars/foo.adb (My_Character): New type. (MC): New variable. |
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b86352cfc1 |
gdb/dwarf: Ensure the target type of ranges is not void
If a DW_TAG_subrange_type DWARF entry has no DW_AT_type then a default type based on the size of an address on the current target is assumed. We store this type as the target type for GDB's range types. Currently GDB can create ranges for which the target type is VOID, this is incorrect but seems to cause no problems. I believe the reason this doesn't cause any issues is because the languages (for example Ada) that actually make use of a ranges target type also have compilers that generate DWARF that includes a DW_AT_type attribute. However, gfortran does not include a DW_AT_type, its DWARF instead relies on the default target type. This isn't currently a problem for GDB as gfortran doesn't make use of the target type when printing subranges, but it shouldn't hurt to fix this issue now. I've added an assert into create_range_type that will catch this issue if it comes up again. This was tested on an x86-64/GNU-Linux machine with both the Ada and gfortran compilers available with both '--target_board=unix' and '--target_board=unix/-m32'. There are no user visible changes after this commit. gdb/ChangeLog: * dwarf2read.c (read_subrange_index_type): New function. (read_subrange_type): Move code into new function and call it. * gdbtypes.c (create_range_type): Add some asserts. |
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603490bf53 |
gdb: Convert dwarf2_evaluate_property to return bool
Convert dwarf2_evaluate_property to return a bool, there should be no user visible change after this commit. gdb/ChangeLog: * dwarf2loc.c (dwarf2_evaluate_property): Change return type, and update return statements. * dwarf2loc.h (dwarf2_evaluate_property): Update return type on declaration, and update comment to match. * gdbtypes.c (resolve_dynamic_array): Update call to dwarf2_evaluate_property to match new return type. |
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a6d0f2490c |
AArch64: Add half float view to V registers
AArch64 can fill the vector registers with half precision floats. Add a view for this. Add builtin type ieee half and connect this to the existing floatformats_ieee_half. gdb/ChangeLog: 2019-05-14 Alan Hayward <alan.hayward@arm.com> * aarch64-tdep.c (aarch64_vnh_type): Add half view. (aarch64_vnv_type): Likewise. * target-descriptions.c (make_gdb_type): Add TDESC_TYPE_IEEE_HALF. * common/tdesc.c: Likewise. * common/tdesc.h (enum tdesc_type_kind): Likewise. * features/aarch64-fpu.c (create_feature_aarch64_fpu): Regenerate. * features/aarch64-fpu.xml: Add ieee half view. * features/aarch64-sve.c (create_feature_aarch64_fpu): Likewise. * gdbtypes.c (gdbtypes_post_init): Add builtin_half * gdbtypes.h (struct builtin_type): Likewise. (struct objfile_type): Likewise. |
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7a1021395e |
Convert gdbtypes.c to type-safe registry API
This changes gdbtypes.c to use the type-safe registry API. gdb/ChangeLog 2019-05-08 Tom Tromey <tom@tromey.com> * gdbtypes.c (objfile_type_data): Change type. (objfile_type, _initialize_gdbtypes): Update. |
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61f4b35041 |
Make copy_name return std::string
This changes copy_name to return a std::string, updating all the callers. In some cases, an extra copy was removed. This also required a little bit of constification. Tested by the buildbot. gdb/ChangeLog 2019-04-19 Tom Tromey <tom@tromey.com> * type-stack.h (struct type_stack) <insert>: Constify string. * type-stack.c (type_stack::insert): Constify string. * gdbtypes.h (lookup_template_type): Update. (address_space_name_to_int): Update. * gdbtypes.c (address_space_name_to_int): Make space_identifier const. (lookup_template_type): Make name const. * c-exp.y: Update rules. (lex_one_token, classify_name, classify_inner_name) (c_print_token): Update. * p-exp.y: Update rules. (yylex): Update. * f-exp.y: Update rules. (yylex): Update. * d-exp.y: Update rules. (lex_one_token, classify_name, classify_inner_name): Update. * parse.c (write_dollar_variable, copy_name): Return std::string. * parser-defs.h (copy_name): Change return type. * m2-exp.y: Update rules. (yylex): Update. * go-exp.y (lex_one_token): Update. Update rules. (classify_unsafe_function, classify_packaged_name) (classify_name, yylex): Update. |
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41077b6625 |
gdb: Fix alignment computation for structs with only static fields
The current code in gdbtypes.c:type_align incorrectly returns 0 as the alignment for a structure containing only static fields. After this patch the correct value of 1 is returned. The gdb.base/align.exp test is extended to cover this case. gdb/ChangeLog: * gdbtypes.c (type_align): A struct with no non-static fields also has alignment of 1. gdb/testsuite/ChangeLog: * gdb.base/align.exp: Extend test to cover structures containing only static fields. |