2006-01-06 Fred Fish <fnf@specifix.com>
* objfiles.c (source.h): Include.
(free_objfile): Update comment about clear_symtab_users().
(free_objfile): Check all symtabs of objfile being freed and if
one of them is the current source symtab, call
clear_current_source_symtab_and_line().
Checkpoint/Restart for Linux.
* linux-nat.c: Add support for debugging multiple forks.
Add #include for linux-fork.h (interface spec).
(super_mourn_inferior): New function pointer.
(child_mourn_inferior): New function / target method.
(linux_target): Claim to_mourn_inferior method pointer.
(child_follow_fork): Call interface to linux-fork, conditionally
add new fork processes to list of debugged processes.
(kill_inferior): Use interface to linux-fork to kill
multiple processes.
* linux-fork.h: New file.
* linux-fork.c: New file. Support for debugging multiple forks
of the same program. Support for checkpoint and restart commands.
* infrun.c (nullify_last_target_wait_ptid): New function.
* Makefile.in: Add linux-fork.
* config/*/linux.mh: Add linux-fork.
* NEWS: Mention new functionality.
* gdb.base/checkpoint.c: New file.
* gdb.base/checkpoint.exp: New file.
* gdb.base/multi-fork.c: New file.
* gdb.base/multi-fork.exp: New file.
* gdb.base/pi.txt: New file (data for checkpoint.c test).
2006-01-04 Fred Fish <fnf@specifix.com>
* gdb.base/ptype.c (foo): Add typedef.
(intfoo): Add function.
* gdb.base/ptype1.c: New file.
* gdb.base/ptype.exp: Handle compilation and linking with two
source files. Test that proper type for "foo" is found based
on source context rather than first match found in symtabs.
from ada-lex.l to here, where it is logically more appropriate.
The original reason, however, was to prevent premature name
lookups for selector names in record aggregates.
(BLOCKNAME, TYPENAME, OBJECT_RENAMING): Remove; lexer now returns
NAME for all of these.
(VAR): New artificial token to clarify precedence rules.
(OTHERS): New lexeme.
(empty_stoken): New symbol.
(%union): Remove ssym, voidval.
(%type): Remove <voidval> type declarations.
(syntax definitions): Add aggregates.
Remove distinction between NAME, TYPENAME, BLOCKNAME, OBJECT_RENAMING.
Rename some non-terminals to be closer to reference manual usage.
Tighten up expression syntax to disallow certain non-Ada
constructions such as X and then Y or else Z.
(ada_parse): Remove initialization of left_block_context.
(write_var_from_name): Remove.
(write_var_or_type): New function, containing previous code from
defunct write_var_from_name and name_lookup.
(block_lookup): New function, moved from ada-lex.l
(select_possible_type_sym): New function, factored out of
name_lookup, which used to be in ada-lex.l.
(find_primitive_type): Ditto.
(chop_selector): Ditto.
(write_ambiguous_var): New function, factored out of defunct
write_var_from_name.
(write_selectors): New function.
(write_name_assoc): New function.
(write_exp_op_with_string): New function.
* ada-lex.l (processId): Change interface to return stoken.
(tempbuf, resize_tempbuf, tempbuf_size, tempbuf_len): Remove.
(block_lookup, name_lookup): Remove. Functionality moved to
ada-exp.y.
(state IN_STRING): Remove.
(rules): Handle string escapes in processString.
Add 'others' token.
Return all NAMEs, BLOCKNAMEs, OBJECT_RENAMINGs, TYPENAMEs in
yylval.sval (as simple strings).
All name look-ups now handled in ada-exp.y.
Introduce "::" (COLONCOLON) token and return as separate token.
(processId): Change return convention. Comment.
Leave leading "'" in place.
(processString): New function.
(find_dot_all): Add note to comment.
Fix problem that allowed match only at the end.
* ada-lang.c: Introduce aggregates.
(find_struct_field): Add new parameter to count fields skipped, and
allow other output parameters to be NULL.
(value_tag_from_contents_and_address, ada_value_struct_elt): Use
new find_struct_field.
(ada_index_struct_field, assign_aggregate, ada_is_array_type)
(num_visible_fields, ada_index_struct_field_1, ada_index_struct_field)
(num_component_specs, assign_component, assign_aggregate):
(aggregate_assign_from_choices,aggregate_assign_positional)
(aggregate_assign_others,add_component_interval):
New functions.
(ada_evaluate_subexp): Declare.
Add aggregate-related operators.
(ada_forward_operator_length): Declare.
(resolve_subexp): Add cases for new aggregate operators and OP_NAME.
Consolidate Ada operators, using ada_forward_operator_length.
(ada_search_struct_field): Search in forward order.
(ADA_OPERATORS): Add new aggregate operators.
(ada_operator_length, ada_op_name, ada_forward_operator_length)
(ada_dump_subexp_body, ada_print_subexp): Handle new aggregate
operators and OP_NAME.
(ada_type_of_array): Use longest_to_int.
(value_assign_to_component): New function.
(ada_forward_operator_length, ada_op_name, ada_dump_subexp_body):
Add OP_NAME case.
(ada_forward_operator_length, ada_dump_subexp_body):
Add OP_STRING case.
* ada-lang.h (enum ada_operator): Add OP_AGGREGATE, OP_OTHERS,
OP_CHOICES, OP_DISCRETE_RANGE, OP_POSITIONAL.
definition from unsubmitted code.
(is_lower_alphanum): New function.
(ada_decode): Add support for decoding protected object subprograms
and entries, and of entities declared inside protected object
subprograms.
Also add missing handling for__{DIGITS}+ suffixes.
Allow '$<digits>' as valid overloading suffix.
(is_name_suffix): Add handling for protected type entriy suffixes.
Also add support for protected type subprogram suffixes, but keep
it commented out for now, as there is an ambiguity between these
entities and other internally generated entities.
Allow '$<digits>' as valid overloading suffix.
(is_valid_name_for_wild_match): New function.
(wild_match): Add an exra level of verification of the entity name
before declaring it a match for the given pattern.
(ada_type_of_array, ada_evaluate_subexp): Use more proper
longest_to_int rather than cast.
(ada_evaluate_subexp): Use "invalid" rather than "illegal" in comment.
(ada_coerce_to_simple_array): Call check_size to make sure
that the object size is reasonable.
(ada_value_primitive_packed_val): Use correct location in target
buffer for extracting packed record fields that are themselves records.
(add_defn_to_vec): Do not try to replace a stub type by its full
type. Avoids a potential infinite loop.
(ada_lookup_symbol): Move return incorrectly placed return statement,
causing a loop that should be scanning all object files to only
scan the first one.
(ada_tag_name_2): New function.
(ada_tag_name_1): If no 'tsd' field found in the dispatching table,
use alternative representation.
(ada_find_renaming_symbol): Strip the function name suffix when
computing the XR type name.
(ada_to_fixed_type): Try determining the tag only if we have the
object's address.
(to_fixed_array_type): Add comments.
(ada_check_typedef): Replace expression checking whether the given
type is a stub or not by a "call" to TYPE_STUB. Clearer and more
consistent.
* ada-lang.h (ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS): Allow
'$' in addition to '.' for runtime auxiliary function name suffixes.
See changes to ada_decode above.
(struct task_control_block): Add field called_task. (This change is
to keep synchronized with our local sources; it does not affect the
public version yet.)
* ada-typeprint.c (ada_print_type): Use int_string for printing
modulus of modular type.
(print_range): Trivial editorial comment fix.
* ada-valprint.c (ada_emit_char): Use normal Ada syntax for
double quote in string.
Elena Zannoni <ezannoni@redhat.com>
PR symtab/1651
* xcoffread.c (xcoff_next_symbol_text): Check this_symtab_psymtab
for NULL before assigning this_symtab_psymtab->objfile to objfile.
(scan_xcoff_symtab): Initialize next_symbol_text_func.
(Committed by Jim Blandy)
"bsd-uthread.h".
(SPARC64OBSD_UTHREAD_FP_OFFSET, SPARC64OBSD_UTHREAD_PC_OFFSET):
New defines.
(sparc64obsd_supply_uthread, sparc64obsd_collect_uthread): New
functions.
(sparc64obsd_init_abi): Set supply_uthread and collect_uthread.
* Makefile.in (sparc64obsd-tdep.o): Update dependencies.
