aboutsummaryrefslogtreecommitdiff
path: root/gdb/valops.c
AgeCommit message (Collapse)AuthorFilesLines
2011-02-262011-02-25 Michael Snyder <msnyder@vmware.com>Michael Snyder1-7/+7
* arm-tdep.c: Fix typos in comments. * bsd-uthread.c: Ditto. * completer.c: Ditto. * corelow.c: Ditto. * cp-namespace.c: Ditto. * cp-support.c: Ditto. * cris-tdep.c: Ditto. * dbxread.c: Ditto. * dwarf2read.c: Ditto. * frame.h: Ditto. * gdbtypes.h: Ditto. * inferior.h: Ditto. * mdebugread.c: Ditto. * mips-tdep.c: Ditto. * ppc-linux-nat.c: Ditto. * ppc-linux-tdep.c: Ditto. * printcmd.c: Ditto. * sol-thread.c: Ditto. * solib-frv.c: Ditto. * solist.h: Ditto. * sparc64-tdep.c: Ditto. * spu-tdep.c: Ditto. * stabsread.c: Ditto. * symfile.c: Ditto. * valops.c: Ditto. * varobj.c: Ditto. * vax-nat.c: Ditto. * python/py-block.c: Ditto. * python/py-symbol.c: Ditto. * python/py-symtab.c: Ditto. * python/py-value.c: Ditto. * tui/tui-win.c: Ditto.
2011-02-14 gdb/Pedro Alves1-35/+52
* exceptions.h (NOT_AVAILABLE_ERROR): New error. * value.c: Include "exceptions.h". (require_available): Throw NOT_AVAILABLE_ERROR instead of a generic error. * cp-abi.c: Include gdb_assert.h. (baseclass_offset): Add `embedded_offset' and `val' parameters. Assert the method is implemented. Wrap NOT_AVAILABLE_ERROR errors. * cp-abi.h (baseclass_offset): Add `embedded_offset' and `val' parameters. No longer returns -1 on error. (struct cp_abi_ops) <baseclass_offset>: Add `embedded_offset' and `val' parameters. * cp-valprint.c: Include exceptions.h. (cp_print_value): Handle NOT_AVAILABLE_ERROR errors when fetching the baseclass_offset. Handle unavailable base classes. Use val_print_invalid_address. * p-valprint.c: Include exceptions.h. (pascal_object_print_value): Handle NOT_AVAILABLE_ERROR errors when fetching the baseclass_offset. No longer expect baseclass_offset returning -1. Handle unavailable base classes. Use val_print_invalid_address. * valops.c (dynamic_cast_check_1): Rename `contents' parameter to `valaddr' parameter, and change its type to gdb_byte pointer. Add `embedded_offset' and `val' parameters. Adjust. (dynamic_cast_check_2): Rename `contents' parameter to `valaddr' parameter, and change its type to gdb_byte pointer. Add `embedded_offset' and `val' parameters. Adjust. No longer expect baseclass_offset returning -1. (value_dynamic_cast): Use value_contents_for_printing rather than value_contents. Adjust. (search_struct_field): No longer expect baseclass_offset returning -1. (search_struct_method): If reading memory from the target is necessary, wrap it in a new value to pass to baseclass_offset. No longer expect baseclass_offset returning -1. (find_method_list): No longer expect baseclass_offset returning -1. Use value_contents_for_printing rather than value_contents. * valprint.c (val_print_invalid_address): New function. * valprint.h (val_print_invalid_address): Declare. * gdbtypes.c (is_unique_ancestor_worker): New `embedded_offset' and `val' parameters. No longer expect baseclass_offset returning -1. Adjust. * gnu-v2-abi.c: Include "exceptions.h". (gnuv2_baseclass_offset): Add `embedded_offset' and `val' parameters. Handle unavailable memory. Recurse through gnuv2_baseclass_offset directly, rather than through baseclass_offset. No longer returns -1 on not found, instead throw an error. * gnu-v3-abi.c (gnuv3_baseclass_offset): Add `embedded_offset' and `val' parameters. Adjust. gdb/testsuite/ * gdb.trace/unavailable.cc (class Base, class Middle, class Derived): New types. (derived_unavail, derived_partial, derived_whole): New globals. (virtual_partial): New global. (virtualp): Point at virtual_partial. * gdb.trace/unavailable.exp (gdb_collect_globals_test): Add tests related to unavailable vptr.
2011-02-14 gdb/Pedro Alves1-3/+4
* valops.c (value_repeat): Use read_value_memory instead of read_memory. gdb/testsuite/ * gdb.trace/unavailable.exp (gdb_collect_globals_test): Test that value repeat handles unavailableness.
2011-02-14 gdb/Pedro Alves1-17/+14
* value.h (value_contents_copy, value_contents_copy_raw): Declare. * value.c (value_contents_copy_raw, value_contents_copy): New functions. (value_primitive_field): Use value_contents_copy_raw instead of memcpy. * valops.c (value_fetch_lazy): Use value_contents_copy instead of memcpy. (value_array, value_slice): Ditto. * valarith.c (value_subscripted_rvalue): Use value_contents_copy_raw instead of memcpy. gdb/testsuite/ * gdb.trace/unavailable.exp (gdb_collect_globals_test): Add new tests for building arrays from unavailable values, subscripting non-memory rvalue unvailable arrays, and accessing fields or baseclasses of non-lazy unavailable values, * gdb.trace/unavailable.cc (small_struct, small_struct_b): New struct types. (g_smallstruct, g_smallstruct_b): New globals.
2011-02-14 <unavailable> references.Pedro Alves1-11/+3
gdb/ * valops.c (get_value_at): Use value_from_contents_and_address, avoiding read_memory.
2011-02-14 gdb/Pedro Alves1-6/+12
* value.h (unpack_bits_as_long): Delete declaration. (unpack_value_bits_as_long): Declare. (unpack_value_field_as_long): Declare. (value_field_bitfield): Declare. * value.c (unpack_bits_as_long): Rename to... (unpack_value_bits_as_long_1): ... this. Add embedded_offset and value parameters. Return the extracted result in a new output parameter. If the value contents are unavailable, return false, otherwise return true. (unpack_value_bits_as_long): New. (unpack_field_as_long): Rename to... (unpack_value_field_as_long_1): ... this. Add embedded_offset and Add embedded_offset and value parameters. Return the extracted result in a new output parameter. If the value contents are unavailable, return false, otherwise return true. (unpack_value_field_as_long): New. (unpack_field_as_long_1): New. (unpack_field_as_long): Reimplement as wrapper around unpack_value_field_as_long_1. (value_field_bitfield): New function. * valops.c (value_fetch_lazy): When fetching a bitfield, use unpack_value_bits_as_long. Mark the value as unavailable, if it is unavailable. * jv-valprint.c (java_print_value_fields): Use value_field_bitfield. * p-valprint.c (pascal_object_print_value_fields): Use value_field_bitfield. * cp-valprint.c (cp_print_value_fields): Use value_field_bitfield.
2011-02-14 Mark pieces of values as unavailable if the corresponding memoryPedro Alves1-7/+86
is unavailable. gdb/ * valops.c: Include tracepoint.h. (value_fetch_lazy): Use read_value_memory. (read_value_memory): New. * value.h (read_value_memory): Declare. * dwarf2loc.c (read_pieced_value): Use read_value_memory. * exec.c (section_table_available_memory): New function. * exec.h (section_table_available_memory): Declare.
2011-01-29gdb/Jan Kratochvil1-1/+1
Fix crash. * valops.c (compare_parameters): Verify TYPE_NFIELDS before touching TYPE_FIELD_ARTIFICIAL. gdb/testsuite/ * gdb.cp/noparam.exp: New file. * gdb.cp/noparam.cc: New file.
2011-01-12gdb/Jan Kratochvil1-0/+2
Make value allocations more lazy. * ada-lang.c (coerce_unspec_val_to_type): Use allocate_value_lazy instead of allocate_value and set_value_lazy when possible. * dwarf2loc.c (dwarf2_evaluate_loc_desc_full): Use allocate_value_lazy instead of allocate_value and set_value_lazy. * findvar.c (value_of_register_lazy): Likewise. (read_var_value): Remove V preallocation, call just check_typedef in advance. Move allocate_value to LOC_CONST, LOC_LABEL, LOC_CONST_BYTES. Use allocate_value_lazy in LOC_STATIC, LOC_ARG, LOC_REF_ARG, LOC_LOCAL, LOC_BLOCK. Set ADDR instead of set_value_address and break in LOC_BLOCK. Use allocate_value_lazy and remove lval_memory set in LOC_REGPARM_ADDR. Use allocate_value_lazy in LOC_UNRESOLVED and LOC_OPTIMIZED_OUT. Add setting lval_memory at the end, remove set_value_lazy there. * valarith.c (value_subscripted_rvalue): Use allocate_value_lazy instead of allocate_value and set_value_lazy when possible. * valops.c (value_fetch_lazy): Do nop for value_optimized_out VAL. * value.c (allocate_computed_value): Use allocate_value_lazy instead of allocate_value and set_value_lazy. (value_from_contents_and_address): Use allocate_value_lazy instead of allocate_value and set_value_lazy when possible.
2011-01-122011-01-11 Michael Snyder <msnyder@vmware.com>Michael Snyder1-23/+19
* ui-file.c: Comment cleanup, mostly periods and spaces. * ui-file.h: Ditto. * ui-out.c: Ditto. * ui-out.h: Ditto. * utils.c: Ditto. * v850-tdep.c: Ditto. * valarith.c: Ditto. * valops.c: Ditto. * valprint.c: Ditto. * valprint.h: Ditto. * value.c: Ditto. * value.h: Ditto. * varobj.c: Ditto. * varobj.h: Ditto. * vax-tdep.c: Ditto. * vec.c: Ditto. * vec.h: Ditto. * version.h: Ditto. * windows-nat.c: Ditto. * windows-tdep.c: Ditto. * xcoffread.c: Ditto. * xcoffsolib.c: Ditto. * xml-support.c: Ditto. * xstormy16-tdep.c: Ditto. * xtensa-tdep.c: Ditto. * xtensa-tdep.h: Ditto.
2011-01-112011-01-11 Michael Snyder <msnyder@vmware.com>Michael Snyder1-1/+1
* arm-tdep.c: Internationalization. * c-lang.c: Ditto. * charset.c: Ditto. * fork-child.c: Ditto. * nto-procfs.c: Ditto. * ppc-sysv-tdep.c: Ditto. * procfs.c: Ditto. * remote-mips.c: Ditto. * remote.c: Ditto. * rs6000-nat.c: Ditto. * rs6000-tdep.c: Ditto. * target.c: Ditto. * valops.c: Ditto. * value.c: Ditto. * xml-support.c: Ditto. * mi/mi-cmd-break.c: Ditto. * mi/mi-cmd-var.c: Ditto. * mi/mi-interp.c: Ditto. * mi/mi-main.c: Ditto.
2011-01-052011-01-05 Michael Snyder <msnyder@vmware.com>Michael Snyder1-36/+61
* addrmap.c: Shorten lines of >= 80 columns. * arch-utils.c: Ditto. * arch-utils.h: Ditto. * ax-gdb.c: Ditto. * ax-general.c: Ditto. * bcache.c: Ditto. * blockframe.c: Ditto. * breakpoint.c: Ditto. * buildsym.c: Ditto. * c-lang.c: Ditto. * c-typeprint.c: Ditto. * charset.c: Ditto. * coffread.c: Ditto. * command.h: Ditto. * corelow.c: Ditto. * cp-abi.c: Ditto. * cp-namespace.c: Ditto. * cp-support.c: Ditto. * dbug-rom.c: Ditto. * dbxread.c: Ditto. * defs.h: Ditto. * dfp.c: Ditto. * dfp.h: Ditto. * dictionary.c: Ditto. * disasm.c: Ditto. * doublest.c: Ditto. * dwarf2-frame.c: Ditto. * dwarf2expr.c: Ditto. * dwarf2loc.c: Ditto. * dwarf2read.c: Ditto. * elfread.c: Ditto. * eval.c: Ditto. * event-loop.c: Ditto. * event-loop.h: Ditto. * exceptions.h: Ditto. * exec.c: Ditto. * expprint.c: Ditto. * expression.h: Ditto. * f-lang.c: Ditto. * f-valprint.c: Ditto. * findcmd.c: Ditto. * frame-base.c: Ditto. * frame-unwind.c: Ditto. * frame-unwind.h: Ditto. * frame.c: Ditto. * frame.h: Ditto. * gcore.c: Ditto. * gdb-stabs.h: Ditto. * gdb_assert.h: Ditto. * gdb_dirent.h: Ditto. * gdb_obstack.h: Ditto. * gdbcore.h: Ditto. * gdbtypes.c: Ditto. * gdbtypes.h: Ditto. * inf-ttrace.c: Ditto. * infcall.c: Ditto. * infcmd.c: Ditto. * inflow.c: Ditto. * infrun.c: Ditto. * inline-frame.h: Ditto. * language.c: Ditto. * language.h: Ditto. * libunwind-frame.c: Ditto. * libunwind-frame.h: Ditto. * linespec.c: Ditto. * linux-nat.c: Ditto. * linux-nat.h: Ditto. * linux-thread-db.c: Ditto. * machoread.c: Ditto. * macroexp.c: Ditto. * macrotab.c: Ditto. * main.c: Ditto. * maint.c: Ditto. * mdebugread.c: Ditto. * memattr.c: Ditto. * minsyms.c: Ditto. * monitor.c: Ditto. * monitor.h: Ditto. * objfiles.c: Ditto. * objfiles.h: Ditto. * osabi.c: Ditto. * p-typeprint.c: Ditto. * p-valprint.c: Ditto. * parse.c: Ditto. * printcmd.c: Ditto. * proc-events.c: Ditto. * procfs.c: Ditto. * progspace.c: Ditto. * progspace.h: Ditto. * psympriv.h: Ditto. * psymtab.c: Ditto. * record.c: Ditto. * regcache.c: Ditto. * regcache.h: Ditto. * remote-fileio.c: Ditto. * remote.c: Ditto. * ser-mingw.c: Ditto. * ser-tcp.c: Ditto. * ser-unix.c: Ditto. * serial.c: Ditto. * serial.h: Ditto. * solib-frv.c: Ditto. * solib-irix.c: Ditto. * solib-osf.c: Ditto. * solib-pa64.c: Ditto. * solib-som.c: Ditto. * solib-sunos.c: Ditto. * solib-svr4.c: Ditto. * solib-target.c: Ditto. * solib.c: Ditto. * somread.c: Ditto. * source.c: Ditto. * stabsread.c: Ditto. * stabsread.c: Ditto. * stack.c: Ditto. * stack.h: Ditto. * symfile-mem.c: Ditto. * symfile.c: Ditto. * symfile.h: Ditto. * symmisc.c: Ditto. * symtab.c: Ditto. * symtab.h: Ditto. * target-descriptions.c: Ditto. * target-memory.c: Ditto. * target.c: Ditto. * target.h: Ditto. * terminal.h: Ditto. * thread.c: Ditto. * top.c: Ditto. * tracepoint.c: Ditto. * tracepoint.h: Ditto. * ui-file.c: Ditto. * ui-file.h: Ditto. * ui-out.h: Ditto. * user-regs.c: Ditto. * user-regs.h: Ditto. * utils.c: Ditto. * valarith.c: Ditto. * valops.c: Ditto. * valprint.c: Ditto. * valprint.h: Ditto. * value.c: Ditto. * varobj.c: Ditto. * varobj.h: Ditto. * vec.h: Ditto. * xcoffread.c: Ditto. * xcoffsolib.c: Ditto. * xcoffsolib.h: Ditto. * xml-syscall.c: Ditto. * xml-tdesc.c: Ditto.
2011-01-01run copyright.sh for 2011.Joel Brobecker1-1/+1
2010-12-14gdb:Ken Werner1-2/+6
* valops.c (value_one): Use get_array_bounds to compute the number of array elements instead of dividing the length of the array by the length of the element types. * valarith.c (value_complement, value_neg): Likewise.
2010-12-01 * valops.c (value_assign): Returned value is never lazy. If aUlrich Weigand1-9/+16
C++ class type is returned, fix incorrect enclosing type / embedded offset. If internal variable is returned, allocate new internalvar value using value_of_internalvar. * NEWS: Document changes in behavior of "print x = 0" and similar expressions.
2010-11-29gdbTom Tromey1-0/+13
* opencl-lang.c (lval_func_check_synthetic_pointer): New function. * value.h (struct lval_funcs) <indirect, check_synthetic_pointer>: New fields. (value_bits_synthetic_pointer): Declare. * value.c (value_bits_synthetic_pointer): New function. * valprint.c (valprint_check_validity): Handle synthetic pointers. * valops.c (value_ind): Use new 'indirect' lval_funcs method. * valarith.c (value_ptradd): Use set_value_component_location. * p-valprint.c (pascal_object_print_value_fields): Handle synthetic pointers. * jv-valprint.c (java_print_value_fields): Handle synthetic pointers. * dwarf2read.c (dwarf_stack_op_name): Add DW_OP_GNU_implicit_pointer. (dwarf2_fetch_die_location_block): Add get_frame_pc, baton arguments. Handle location lists. (fill_in_loclist_baton): New function. (dwarf2_symbol_mark_computed): Use it. * dwarf2loc.h (dwarf2_find_location_expression): Declare. (dwarf2_fetch_die_location_block): Add get_frame_pc, baton arguments. * dwarf2loc.c (dwarf2_find_location_expression): Rename from find_location_expression. No longer static. Update all callers. (dwarf_expr_frame_pc): New function. (per_cu_dwarf_call): Add get_frame_pc, baton arguments. Update all callers. (struct piece_closure) <per_cu>: New field. (allocate_piece_closure): Add per_cu argument. (read_pieced_value): Handle DWARF_VALUE_IMPLICIT_POINTER. (check_pieced_value_bits): Remove validity argument, add check_for argument. Handle DWARF_VALUE_IMPLICIT_POINTER. (check_pieced_value_validity, check_pieced_value_invalid): Update. (check_pieced_synthetic_pointer): New function. (get_frame_address_in_block_wrapper): New function. (indirect_pieced_value): New function. (pieced_value_funcs): Update. (invalid_synthetic_pointer): New function. (dwarf2_evaluate_loc_desc_full): Rename from dwarf2_evaluate_loc_desc. Add byte_offset argument. (dwarf2_evaluate_loc_desc): Rewrite. (dwarf2_loc_desc_needs_frame): Set new field on context. (get_ax_pc): New function. (disassemble_dwarf_expression): Handle DW_OP_GNU_implicit_pointer. * dwarf2expr.h (enum dwarf_value_location) <DWARF_VALUE_IMPLICIT_POINTER>: New constant. (struct dwarf_expr_context) <get_frame_pc>: New field. (struct dwarf_expr_piece) <v.ptr>: New field. * dwarf2expr.c (add_piece): Handle DWARF_VALUE_IMPLICIT_POINTER. (execute_stack_op): Handle DW_OP_GNU_implicit_pointer. * dwarf2-frame.c (no_get_frame_pc): New function. (execute_stack_op): Set new field on context. * cp-valprint.c (cp_print_value_fields): Handle synthetic pointers. gdb/testsuite * gdb.dwarf2/implptr.exp: New file. * gdb.dwarf2/implptr.c: New file. * gdb.dwarf2/implptr.S: New file.
2010-11-10 * value.c (set_value_enclosing_type): Renamed fromDoug Evans1-11/+10
value_change_enclosing_type. All callers updated. * value.h (set_value_enclosing_type): Update. * valops.c (value_full_object): Always return a copy if we need to make changes to the input value.
2010-11-04Create and use struct rank.Sami Wagiaalla1-6/+12
2010-11-04 Sami Wagiaalla <swagiaal@redhat.com> * gdbtypes.h: Create struct rank. Convert all 'BADNESS' macros to const struct rank declarations. (sum_ranks): New function. (compare_ranks): New function. * valops.c (find_oload_champ): Updated. (classify_oload_match): Use compare_ranks. Improved comments. (compare_parameters): Use compare_ranks. * gdbtypes.c: Initialize 'BADNESS' constants. (sum_ranks): New function. (compare_ranks): New function. (compare_badness): Use compare_ranks. (rank_function): Use global constants instead of literals. (rank_one_type): Ditto. Return struct rank. Use sum_ranks.
2010-11-03gdb:Ken Werner1-3/+6
* dwarf2read.c (read_array_type): Read the DW_AT_byte_size from the DIE and set the length of the type. * gdbtypes.h (get_array_bounds): Move here from valprint.h. * gdbtypes.c (get_array_bounds): Move here from valprint.c and return 0 if the corresponding bounds of the type are undefined. * valprint.h (get_array_bounds): Move declaration to gdbtypes.h. * valprint.c (get_array_bounds): Move implementation to gdbtypes.c. (val_print_array_elements): Use get_array_bounds to compute the number of array elements instead of dividing the length of the array by the length of the element types. * valarith.c (vector_binop): Likewise. * valops.c (value_cast): Likewise. * c-valprint.c (c_val_print): Likewise. * c-typeprint.c (c_type_print_varspec_suffix): Likewise. gdb/testsuite: * gdb.base/gnu_vector.exp: Adjust expect messages.
2010-11-03gdb:Ken Werner1-0/+14
* valarith.c (value_pos, value_neg, value_complement): Handle vector types. * valops.c (value_one): Likewise. gdb/testsuite: * gdb.base/gnu_vector.exp: Add unary operator tests.
2010-10-19Support overloading of 'operator->'.Sami Wagiaalla1-2/+6
2010-10-19 Sami Wagiaalla <swagiaal@redhat.com> PR C++/11500: * valarith.c (value_x_unop): Handle STRUCTOP_PTR. * eval.c (evaluate_subexp_standard): Check for overload of 'operator->'. * valarith.c (value_x_binop): Throw NOT_FOUND_ERROR. (value_x_unop): Ditto. * valops.c: Include "exceptions.h". (find_overload_match): Throw NOT_FOUND_ERROR. (value_struct_elt): Ditto. 2010-10-19 Sami Wagiaalla <swagiaal@redhat.com> * gdb.cp/smartp.exp: New test. * gdb.cp/smartp.cc : New test.
2010-10-08gdb:Ken Werner1-1/+22
* valops.c (value_cast): Handle vector types. * valarith.c (value_binop): Widen scalar to vector if appropriate. gdb/testsuite: * gdb.base/gnu_vector.c (ia, ib, fa, fb): New variables. * gdb.base/gnu_vector.exp: Add tests for scalar to vector widening.
2010-09-24Fix find_oload_champ_namespace_loop memory leak.Sami Wagiaalla1-1/+1
2010-09-24 Sami Wagiaalla <swagiaal@redhat.com> * valops.c (find_oload_champ_namespace_loop): replace incorrect discard_cleanups do_cleanups.
2010-09-22Fix PR 12028: "GDB crashes on a double free during overload resolution "Sami Wagiaalla1-1/+1
2010-09-22 Sami Wagiaalla <swagiaal@redhat.com> PR C++/12028 * valops.c (find_oload_champ_namespace_loop): removed incorrect 'old_cleanups' reassignment. 2010-09-22 Sami Wagiaalla <swagiaal@redhat.com> * gdb.cp/pr12028.cc: New. * gdb.cp/pr12028.exp: New.
2010-07-14gdb/ChangeLog:* valops.c (value_assign): Do not call to ↵Ken Werner1-4/+2
value_coerce_to_target.(value_must_coerce_to_target): Return 0 in case of TYPE_VECTOR.gdb/testsuite/ChangeLog:* gdb.arch/altivec-abi.exp: New tests.
2010-06-28gdb/Jan Kratochvil1-2/+10
* cp-namespace.c (cp_lookup_nested_type): New variable concatenated_name. Turn the current return condition into a reverse one. Call also lookup_static_symbol_aux on the constructed qualified name. * symtab.c (lookup_symbol_aux): Move variable objfile and searching in other files into a called ... (lookup_static_symbol_aux): ... new function here. * symtab.h (lookup_static_symbol_aux): New prototype. * valops.c (value_maybe_namespace_elt): Call also lookup_static_symbol_aux if we failed otherwise. gdb/testsuite/ * gdb.cp/namespace.exp (whatis C::cOtherFileType) (whatis ::C::cOtherFileType, whatis C::cOtherFileVar) (whatis ::C::cOtherFileVar, print C::cOtherFileVar) (print ::C::cOtherFileVar) (whatis C::OtherFileClass::cOtherFileClassType) (whatis ::C::OtherFileClass::cOtherFileClassType) (print C::OtherFileClass::cOtherFileClassVar) (print ::cOtherFileClassVar) (print ::C::OtherFileClass::cOtherFileClassVar): New tests. (ptype OtherFileClass, ptype ::C::OtherFileClass): Permit arbitrary trailing content. * gdb.cp/namespace1.cc (C::OtherFileClass::cOtherFileClassType) (C::OtherFileClass::cOtherFileClassVar) (C::OtherFileClass::cOtherFileClassVar_use, C::cOtherFileType) (C::cOtherFileVar, C::cOtherFileVar_use): New.
2010-06-27 * valops.c (search_struct_field): Fix typo in error message.Doug Evans1-1/+1
2010-06-11gdbTom Tromey1-1/+8
PR gdb/9977, PR exp/11636: * value.h (value_offset): Update. (struct lval_funcs) <check_validity>: New field. <copy_closure>: Make argument const. (value_computed_closure): Update. (value_contents_for_printing): Declare. (value_bits_valid): Likewise. (val_print): Likewise. (set_value_component_location): Update. (value_entirely_optimized_out): Declare. * value.c (value_offset): Argument now const. (require_not_optimized_out): New function. (value_contents_for_printing): New function. (value_contents_all): Call require_not_optimized_out. (value_contents): Likewise. (value_bits_valid): New function. (value_computed_closure): Argument now const. (set_value_component_location): Make 'whole' argument const. (value_entirely_optimized_out): New function. (value_bitsize): Argument now 'const'. (value_bitpos): Likewise. (value_type): Likewise. * valprint.h (val_print_array_elements): Update. * valprint.c (val_print): Add 'val' argument. Use valprint_check_validity. (valprint_check_validity): New function. (value_check_printable): Use value_entirely_optimized_out. (common_val_print): Update. (value_print): Likewise. (val_print_array_elements): Add 'val' argument. * valops.c (value_fetch_lazy): Use value_contents_for_printing, value_bits_valid. Reinit frame cache for lval_computed. * sh64-tdep.c (sh64_do_register): Update. * scm-valprint.c (scm_val_print): Add 'val' argument. * scm-lang.h (scm_val_print): Update. * python/python.h (apply_val_pretty_printer): Update. * python/py-prettyprint.c (apply_val_pretty_printer): Add 'val' argument. Call set_value_component_location. * printcmd.c (print_scalar_formatted): Update. * p-valprint.c (pascal_val_print): Add 'val' argument. (pascal_object_print_value_fields): Likewise. (pascal_object_print_value): Likewise. (pascal_object_print_static_field): Update. * p-lang.h (pascal_val_print): Update. (pascal_object_print_value_fields): Update. * mt-tdep.c (mt_registers_info): Update. * mi/mi-main.c (get_register): Update. (mi_cmd_data_evaluate_expression): Use common_val_print. * m2-valprint.c (m2_print_array_contents): Add 'val' argument. (m2_print_unbounded_array): Likewise. (m2_val_print): Likewise. * m2-lang.h (m2_val_print): Update. * language.h (struct language_defn) <la_val_print>: Add 'val' argument. (LA_VAL_PRINT): Likewise. * language.c (unk_lang_val_print): Add 'val' argument. * jv-valprint.c (java_print_value_fields): Add 'val' argument. (java_val_print): Likewise. * jv-lang.h (java_val_print): Add 'val' argument. * infcmd.c (default_print_registers_info): Update. * f-valprint.c (f77_print_array_1): Add 'val' argument. (f77_print_array): Likewise. (f_val_print): Likewise. * f-lang.h (f_val_print): Add 'val' argument. * dwarf2loc.c (read_pieced_value): Use value_bitsize and value_bitpos. <DWARF_VALUE_OPTIMIZED_OUT>: Don't print warning. Call set_value_optimized_out. (write_pieced_value): Use value_bitsize and value_bitpos. <default>: Don't exit loop. (check_pieced_value_validity): New function. (pieced_value_funcs): Reference check_pieced_value_validity, check_pieced_value_invalid. (copy_pieced_value_closure): Update. (check_pieced_value_bits): New function. (check_pieced_value_invalid): New function. * d-valprint.c (dynamic_array_type): Add 'val' argument. (d_val_print): Likewise. * d-lang.h (d_val_print): Update. * cp-valprint.c (cp_print_value_fields): Add 'val' argument. (cp_print_value_fields_rtti): Likewise. (cp_print_value): Likewise. (cp_print_static_field): Update. * c-valprint.c (c_val_print): Add 'val' argument. (c_value_print): Update. * c-lang.h (c_val_print): Update. (cp_print_value_fields): Likewise. (cp_print_value_fields_rtti): Likewise. * ada-valprint.c (struct ada_val_print_args): Remove. (val_print_packed_array_elements): Add 'val' argument. (ada_val_print): Likewise. Rewrite. (ada_val_print_stub): Remove. (ada_val_print_array): Add 'val' argument. (ada_val_print_1): Likewise. (print_variant_part): Likewise. (ada_value_print): Update. (print_record): Add 'val' argument. (print_field_values): Likewise. * ada-lang.h (ada_val_print): Update. gdb/testsuite PR gdb/9977, PR exp/11636:: * gdb.dwarf2/pieces.exp (pieces_test_f3): Remove kfail. (pieces_test_f6): Update expected output.
2010-06-07Test and support all cpp operator types.Sami Wagiaalla1-37/+111
2010-06-07 Sami Wagiaalla <swagiaal@redhat.com> * value.h: Created oload_search_type enum. (find_overload_match): Use oload_search_type enum. * valops.c (find_overload_match): Support combined member and non-member search. * eval.c (evaluate_subexp_standard): Calls to find_overload_match now use oload_search_type enum. (oload_method_static): Verify index is a proper value. * valarith.c (value_user_defined_cpp_op): Search for and handle both member and non-member operators. (value_user_defined_cpp_op): New function. (value_user_defined_op): New function. (value_x_unop): Use value_user_defined_op. (value_x_binop): Ditto. * cp-support.c (make_symbol_overload_list_using): Added block iteration. Add check for namespace aliases and imported declarations. 2010-06-07 Sami Wagiaalla <swagiaal@redhat.com> * gdb.cp/koenig.exp: Test for ADL operators. * gdb.cp/koenig.cc: Added ADL operators. * gdb.cp/operator.exp: New test. * gdb.cp/operator.cc: New test.
2010-05-172010-05-17 Michael Snyder <msnyder@vmware.com>Michael Snyder1-6/+35
* valarith.c: White space. * valops.c: White space. * valprint.c: White space. * value.c: White space. * varobj.c: White space. * xcoffread.c: White space. * xml-support.c: White space. * xml-tdesc.c: White space.
2010-05-08 * valops.c (find_overload_match): Add missing i18n markup.Pierre Muller1-1/+1
2010-05-072010-05-07 Michael Snyder <msnyder@vmware.com>Michael Snyder1-1/+2
* valops.c (value_cast_pointers): Restore unused variable 'type1', and use it to compute variable 't1'.
2010-05-07Add ADL supportSami Wagiaalla1-33/+68
2010-05-07 Sami Wagiaalla <swagiaal@redhat.com> PR C++/7943: * valops.c (find_overload_match): Handle fsym == NULL case. Add int no_adl argument. (find_oload_champ_namespace_loop): Call make_symbol_overload_list_adl when appropriate. Add int no_adl argument. (find_oload_champ_namespace): Add int no_adl argument. * parse.c (operator_length_standard): Return length for OP_ADL_FUNC expression. * expprint.c (op_name_standard): Added string for OP_ADL_FUNC case. * eval.c (evaluate_subexp_standard): Added OP_ADL_FUNC case. Evaluate arguments and use them to perform ADL lookup. Pass no_adl argument to find_overload_match. Disable adl lookup when evaluating a fully qualified OP_FUNCALL. * cp-support.h: Added prototype for make_symbol_overload_list_namespace. * cp-support.c (make_symbol_overload_list_namespace): New function. (make_symbol_overload_list_adl_namespace): New function. (make_symbol_overload_list_adl): New function. (make_symbol_overload_list_using): Moved code to add function to overload set to make_symbol_overload_list_namespace. * c-exp.y: create UNKNOWN_CPP_NAME token. Add parse rule for ADL functions. (classify_name): Recognize an UNKNOWN_CPP_NAME. 2010-05-07 Sami Wagiaalla <swagiaal@redhat.com> * gdb.cp/koenig.exp: New test. * gdb.cp/koenig.cc: New test program.
2010-05-062010-05-06 Michael Snyder <msnyder@vmware.com>Michael Snyder1-5/+1
* eval.c (evaluate_subexp_standard): Delete unused variable. * valops.c (value_cast_pointers): Delete unused variable. (value_dynamic_cast): Delete unused variable. (value_array): Delete unused variable. (find_overload_match): Delete unused variable. * valarith.c (value_subscript): Delete unused variable. (value_binop): Delete unused variable. * valprint.c (_initialize_valprint): Delete unused variable. * printcmd.c (print_command_1): Delete unused variable. (address_info): Delete unused variable. (printf_command): Delete unused variable.
2010-03-15 2010-03-15 Sami Wagiaalla <swagiaal@redhat.com>Sami Wagiaalla1-2/+2
PR c++/7936: * cp-support.h: Added char *declaration element to using_direct data struct. (cp_add_using): Added char *declaration argument. (cp_add_using_directive): Ditto. (cp_lookup_symbol_imports): made extern. * cp-namespace.c: Updated with the above changes. * dwarf2read.c (read_import_statement): Ditto. (read_namespace): Ditto. (read_import_statement): Support import declarations. * cp-namespace.c (cp_lookup_symbol_imports): Check for imported declarations. Added support for 'declaration_only' search. (cp_lookup_symbol_namespace): Attempt to search for the name as is before consideration of imports. * symtab.c (lookup_symbol_aux_local): Added a 'declaration_only' search at every block level search. Now takes language argument. (lookup_symbol_aux): Updated. 2010-03-15 Sami Wagiaalla <swagiaal@redhat.com> * gdb.cp/shadow.exp: Removed kfail; test has been fix. * gdb.cp/nsusing.exp: Ditto.
2010-03-09dwarf2_physname patchset:Keith Seitz1-15/+41
Based on work from Daniel Jacobowitz <dan@codesourcery.com> * c-typeprint.c (cp_type_print_method_args): For non-static methods, print out const or volatile qualifiers, too. (c_type_print_args): Add parameters show_artificial and language. Skip artificial parameters when requested. Use the appropriate language printer. (c_type_print_varspec): Tell c_type_print_args to skip artificial parameters and pass language_c. * dwarf2read.c (die_list): New file global. (struct partial_die_info): Update comments for name field. (pdi_needs_namespace): Renamed to ... (die_needs_namespace): ... this. Rewrite. (dwarf2_linkage_name): Remove. (add_partial_symbol): Do not predicate the call to partial_die_full_name based on pdi_needs_namespace. Remove call to cp_check_possible_namespace_symbols and associated outdated comments. (guess_structure_name): Do not inspect child subprogram DIEs. (dwarf2_fullname): Update comments. Use die_needs_namespace to assist in computing the name. (read_func_scope): Use dwarf2_name to get the DIE's name. Use dwarf2_physname to get the "linkage name" of the DIE. (dwarf2_add_member_field): Use dwarf2_physname instead of dwarf2_linkage_name. (read_structure_type): For structs and classes, set TYPE_NAME, too. (determine_class): Remove. (read_partial_die): Ignore DW_AT_MIPS_linkage_name for all languages except Ada. (new_symbol): Unconditionally call dwarf2_name. Compute the "linkage name" using dwarf2_physname. Use dwarf2_name instead of dwarf2_full_name for enumerator DIEs. When determining to scan for anonymous C++ namespaces, ignore the linkage name. (dwarf2_physname): New function. (dwarf2_full_name): Move content to new function and call that. (dwarf2_compute_name): "New" function. (_initialize_dwarf2_read): Initialize die_list. * gnu-v3-eabi.c (gnu_v3_find_method_in): Remove unused variable physname. (gnu_v3_print_method_ptr): Use the physname for virtual methods without a demangled name. Print out type information for non-virtual methods. * linespec.c (decode_line_1): Force ANY string using "::" (or "." for java) to use decode_compound, and clean up any stray quoting. If we found a file symtab, re-evaluate whether the remainder is_quoted. (decode_compound): Stop consuming at an open parenthesis. Keep template parameters. Keep any overload information. Keep keywords like "const". Remove paren_pointer. Move is_quoted check from set_flags to here. Remove #if 0 code from 2000. Ten years is long enough. (find_method): Before comparing symbol names, canonicalize the string from the user. If a specific overload is requested, find it. Otherwise throw an error. (find_method_overload_end): New function. (set_flags): Remove. (decode_compound): Assume that parentheses are matched. It's a lot easier. * symtab.c (symbol_find_demangled_name): Add DMGL_VERBOSE flag to cplus_demangle. * linespec.c (decode_line_1): Keep important keywords like "const" and "volatile". * symtab.h (SYMBOL_CPLUS_DEMANGLED_NAME): Remove. * typeprint.h (c_type_print_args): Add declaration. * ui-file.c (do_ui_file_obsavestring): New function. (ui_file_obsavestring): New function. * ui-file.h (ui_file_obsavestring): Add declaration. * valops.c (find_overload_match): Resolve the object to a non-pointer type. If the object is a data member, search the object for the member and return with staticp set. Use SYMBOL_NATURAL_NAME instead of SYMBOL_CPLUS_DEMANGLED_NAME. Do not attempt to extract a function name from non-function types. If the extracted function name and the original name are the same, we don't have a C++ method. From Jan Kratochvil <jan.kratochvil@redhat.com>: * dwarf2read.c (new_symbol <DW_TAG_enumerator>): Call dwarf2_full_name. * ada-lang.c (ada_lookup_symbol): Remove linkage_name parameters and arguments from symbol lookups. * ax-gdb.c (gen_expr): Likewise. * cp-namespace.c (cp_lookup_symbol_nonlocal, lookup_namespace_scope, cp_lookup_symbol_namespace, lookup_symbol_file, lookup_nested_type, lookup_possible_namespace_symbol): Likewise. * cp-support.c (read_in_psymtabs): Likewise. * cp-support.h (cp_lookup_symbol_nonlocal): Likewise. * language.h (la_lookup_symbol_nonlocal): Likewise. * scm-valprint.c (scm_inferior_print): Likewise. * solib-darwin.c (darwin_relocate_section_addresses): Likewise. * solib-svr.c (elf_lookup_lib): Likewise. * solib.c (show_auto_solib_add): Likewise. * solist.h (lookup_lib_global, solib_global_lookup): Likewise. * symmisc.c (maintenance_check_symtabs): Likewise. * symtab.c (lookup_symbol_in_language, lookup_symbol_aux, lookup_symbol_aux_local, lookup_symbol_aux_block, lookup_symbol_from_objfile, lookup_symbol_aux_symtabs, lookup_symbol_aux_psymtabs,basic_lookup_symbol_nonlocal, lookup_symbol_static, lookup_symbol_global, symbol_matches_domain, basic_lookup_transparent_type, find_main_psymtab, lookup_block_symbol): Likewise. * symtab.h (basic_lookp_symbol_nonlocal, lookup_symbol_static, lookup_symbol_global, lookup_symbol_aux_block, lookup_symbol_partial_symbol, lookup_block_symbol, lookup_global_symbol, value_maybe_namespace_elt): Likewise.
2010-02-08gdbTom Tromey1-11/+11
PR c++/8017: * value.h: Update. * valops.c (search_struct_field): Make 'name' const. (search_struct_method): Likewise. (find_method_list): Make 'method' const. (value_struct_elt): Make 'name' and 'err' const. (value_find_oload_method_list): Make 'method' const. (find_overload_match): Make 'name' const. * eval.c (evaluate_subexp_standard): New locals function, function_name. <OP_FUNCALL>: Handle OP_SCOPE specially. gdb/testsuite PR c++/8017: * gdb.cp/overload.exp: Add tests. * gdb.cp/overload.cc (struct K): New. (namespace N): New. (main): Call new functions. (K::staticoverload): Define.
2010-02-04gdbTom Tromey1-15/+9
* valops.c (search_struct_field): Account for value_embedded_offset. Fix check for virtual base past the end of the object. Use value_copy when making a slice of the value. gdb/testsuite * gdb.cp/virtbase.exp: Make test case names unique.
2010-02-02gdbTom Tromey1-2/+25
* valops.c (value_cast_structs): Try downcasting using the RTTI type. gdb/testsuite * gdb.cp/virtbase.exp: Add regression tests. * gdb.cp/virtbase.cc (RHA, RHB, RHC): New classes. (main): Instantiate RHC.
2010-02-02gdbTom Tromey1-1/+5
PR c++/11226, PR c++/9629, PR c++/9688, PR c++/8890: * valops.c (search_struct_field): Compute nbases after calling CHECK_TYPEDEF. (check_field): Call CHECK_TYPEDEF. * cp-valprint.c (cp_print_value): Pass correct address to baseclass_offset. Fix check for virtual base past the end of the object. Don't offset address passed to cp_print_value_fields or apply_val_pretty_printer. (cp_print_value_fields): Fix call to val_print. (cp_print_value_fields_rtti): New function. * c-valprint.c (c_val_print): Use cp_print_value_fields_rtti. * p-valprint.c (pascal_object_print_value_fields): Fix call to val_print. * python/py-prettyprint.c (apply_val_pretty_printer): Add embedded offset to address. * language.h (struct language_defn) <la_val_print>: Document. * c-lang.h (cp_print_value_fields_rtti): Declare. gdb/testsuite PR c++/11226, PR c++/9629, PR c++/9688, PR c++/8890: * gdb.cp/virtbase.cc: New file. * gdb.cp/virtbase.exp: New file. * gdb.cp/userdef.exp: Allow 'struct' or 'class'.
2010-01-26 2010-01-14 Sami Wagiaalla <swagiaal@redhat.com>Sami Wagiaalla1-1/+1
* gdb.cp/nsrecurs.exp: New test. * gdb.cp/nsrecurs.cc: New test program. * gdb.cp/nsstress.exp: New test. * gdb.cp/nsstress.cc: New test program. * gdb.cp/nsdecl.exp: New test. * gdb.cp/nsdecl.cc: New test program. 2010-01-26 Sami Wagiaalla <swagiaal@redhat.com> * cp-namespace.c (cp_lookup_symbol_namespace): Added search_parent argument. (cp_add_using): Initialize 'searched' field. (reset_directive_searched): New function. * cp-support.h: Add 'searched' field to using_direct struct. (cp_lookup_symbol_imports): Ditto. * cp-namespace.c (cp_lookup_symbol_imports): Ditto. Perform recursive search. Implement non parent search. * valops.c (value_maybe_namespace_elt): Updated.
2010-01-18gdbTom Tromey1-0/+252
PR c++/9680: * c-exp.y (REINTERPRET_CAST, DYNAMIC_CAST, STATIC_CAST) (CONST_CAST): New tokens. (exp): Add new productions. (ident_tokens): Add const_cast, dynamic_cast, static_cast, and reinterpret_cast. (is_cast_operator): New function. (yylex): Handle cast operators specially. * eval.c (evaluate_subexp_standard) <UNOP_DYNAMIC_CAST, UNOP_REINTERPRET_CAST>: New cases. * expprint.c (print_subexp_standard): Likewise. (op_name_standard): Likewise. (dump_subexp_body_standard): Likewise. * parse.c (operator_length_standard): Likewise. * expression.h (enum exp_opcode): New constants UNOP_DYNAMIC_CAST, UNOP_REINTERPRET_CAST. * gdbtypes.c (class_types_same_p): New function. (is_ancestor): Use it. (is_public_ancestor): New function. (is_unique_ancestor_worker): Likewise. (is_unique_ancestor): Likewise. * gdbtypes.h (class_types_same_p, is_public_ancestor) (is_unique_ancestor): Declare. * valops.c (value_reinterpret_cast): New function. (dynamic_cast_check_1): Likewise. (dynamic_cast_check_2): Likewise. (value_dynamic_cast): Likewise. * value.h (value_reinterpret_cast, value_dynamic_cast): Declare. gdb/testsuite PR c++/9680: * gdb.cp/casts.cc: Add new classes and variables. * gdb.cp/casts.exp: Test new operators.
2010-01-01Update copyright year in most headers.Joel Brobecker1-1/+1
Automatic update by copyright.sh.
2009-12-10Fix for PR 9399 gdb can't call or print a const function that uses virtual ↵Chris Moller1-0/+5
inheritance
2009-12-04 * valops.c (value_struct_elt_for_reference): Do not rely onDaniel Jacobowitz1-14/+16
field order.
2009-12-02gdb/ChangeLog:Paul Pluzhnikov1-2/+2
2009-12-02 Paul Pluzhnikov <ppluzhnikov@google.com> * ada-lang.c (ada_value_assign): Use observer_notify_memory_changed. * valops.c (value_assign): Likewise. * defs.h (deprecated_memory_changed_hook): Remove. * top.c (deprecated_memory_changed_hook): Likewise. * interps.c (clear_interpreter_hooks): Adjust. gdb/gdbtk/ChangeLog: 2009-12-02 Paul Pluzhnikov <ppluzhnikov@google.com> * generic/gdbtk-hooks.c (gdbtk_memory_changed): Adjust. (gdbtk_add_hooks): Adjust. gdb/doc/ChangeLog: 2009-12-02 Paul Pluzhnikov <ppluzhnikov@google.com> * observer.texi: New memory_changed observer.
2009-11-10 * c-exp.y: Add new rule for resolving method overloads.Keith Seitz1-13/+87
* eval.c (make_params): New function. (free_param_types): New function. (evaluate_subexp_standard): Pass expect_type to value_aggregate_elt. Handle case TYPE_INSTANCE. (evaluate_subexp_for_address): Pass expect_type to value_aggregate_elt. * expression.h (enum exp_opcode): Add TYPE_INSTANCE. (compare_parameters): Add declaration. * parse.c (operator_length_standard): Add TYPE_INSTANCE. * valops.c (value_aggregate_elt): Add new expect_type parameter. Pass expect_type to value_struct_elt_for_reference. (value_struct_elt_for_reference): Add expect_type parameter and use compare_parameters. Check for overload matches with and without artificial parameters. Skip artificial methods. (compare_parameters): New function. * value.h (value_aggregate_elt): Add new expect_type parameter.
2009-09-28 * valops.c (value_assign): Respect parent offset whenUlrich Weigand1-7/+9
assigning to a bitfield.
2009-08-31 Implement TARGET_OBJECT_STACK_MEMORY.Doug Evans1-25/+34
* NEWS: Add note on new "set stack-cache" option. * corefile.c (read_stack): New function. * dcache.c (dcache_struct): New member ptid. (dcache_enable_p): Mark as obsolete. (show_dcache_enabled_p): Flag option as deprecated. (dcache_invalidate): Update ptid. (dcache_invalidate_line): New function. (dcache_read_line): No longer check cacheable attribute, stack accesses get cached despite attribute. (dcache_init): Set ptid. (dcache_xfer_memory): Flush cache if from different ptid than before. Update cache after write. (dcache_update): New function. (dcache_info): Report ptid. (_initialize_dcache): Update text for `remotecache' to indicate it is obsolete. * dcache.h (dcache_update): Declare. * dwarf2loc.c (dwarf2_evaluate_loc_desc): Mark values on stack with set_value_stack. * frame-unwind.c (frame_unwind_got_memory): Ditto. * gdbcore.h (read_stack): Declare. * memattr.c (mem_enable_command): Call target_dcache_invalidate instead of dcache_invalidate. (mem_disable_command, mem_delete_command): Ditto. * target.c (stack_cache_enabled_p_1): New static global. (stack_cache_enabled_p): New static global. (set_stack_cache_enabled_p): New function. (show_stack_cache_enabled_p): New function. (target_dcache): Make static. (target_dcache_invalidate): New function. (target_load, target_resume): Call target_dcache_invalidate instead of dcache_invalidate. (memory_xfer_partial): New arg object, all callers updated. Check for existing inferior before calling dcache routines. When writing non-TARGET_OBJECT_STACK_MEMORY, notify dcache. (target_xfer_partial): Call memory_xfer_partial for TARGET_OBJECT_STACK_MEMORY. (target_read_stack): New function. (initialize_targets): Install new option `stack-cache'. * target.h: Remove #include of dcache.h. (enum target_object): New value TARGET_OBJECT_STACK_MEMORY. (target_dcache): Delete. (target_dcache_invalidate): Declare. (target_read_stack): Declare. * top.c (prepare_execute_command): New function. (execute_command): Call prepare_execute_command instead of free_all_values. * top.h (prepare_execute_command): Declare. * valops.c (get_value_at): New function. (value_at): Guts moved to get_value_at. (value_at_lazy): Similarly. (value_fetch_lazy): Call read_stack for stack values. * value.c (struct value): New member `stack'. (value_stack, set_value_stack): New functions. * value.h (value_stack, set_value_stack): Declare. * mi/mi-main.c (mi_cmd_execute): Call prepare_execute_command instead of free_all_values. doc/ * gdb.texinfo (Caching Data of Remote Targets): Update text. Mark `set/show remotecache' options as obsolete. Document new `set/show stack-cache' option. Update text for `info dcache'.
2009-07-21 gdb/Daniel Jacobowitz1-3/+28
* valops.c (value_fetch_lazy): Handle bitfields explicitly. (value_assign): Remove unnecessary FIXME. Honor the container type of bitfields if possible. * value.c (struct value): Add parent field. (value_parent): New function. (value_free): Free the parent also. (value_copy): Copy the parent also. (value_primitive_field): Do not read the contents of a lazy value to create a child bitfield value. Set bitpos and offset according to the container type if possible. (unpack_bits_as_long): Rename from unpack_field_as_long. Take field_type, bitpos, and bitsize instead of type and fieldno. (unpack_field_as_long): Use unpack_bits_as_long. * value.h (value_parent, unpack_bits_as_long): New prototypes.