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The locations patch I recently committed contains macro definitions
such as:
This causes an ARI error to be emitted by the server ("Do not use PTR, ISO C
90 implies `void *'"). While this ARI error is bogus in this context,
it is just easiest to squash the error completely by renaming the macro
parameters.
gdb/ChangeLog
* location.c (EL_TYPE, EL_LINESPEC, EL_PROBE, EL_ADDRESS)
(EL_EXPLICIT, EL_STRING): Change macro parameter to "P" to
silence ARI errors.
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BuildBot reminded me that "explicit" is a reserved keyword in C++.
This patch simply renames all the (illegal) uses of "explicit". This should
fix the build errors with --enable-build-with-cxx bots.
gdb/ChangeLog
* break-catch-throw.c (re_set_exception_catchpoint) Rename
reserved C++ keyword "explicit" to "explicit_loc".
* breakpoint.c (create_overlay_event_breakpoint)
(create_longjmp_master_breakpoint)
(create_std_terminate_master_breakpoint)
(create_exception_master_breakpoint, update_static_tracepoint):
Rename reserved C++ keyword "explicit" to "explicit_loc".
* completer.c (collect_explicit_location_matches)
(explicit_location_completer): Rename reserved C++ keyword
"explicit" to "explicit_loc".
* linespec.c (struct linespec) <explicit>: Rename to "explicit_loc".
(canonicalize_linespec, create_sals_line_offset)
(convert_linespec_to_sals, convert_explicit_location_to_sals)
(event_location_to_sals, decode_objc): Rename reserved C++ keyword
"explicit" to "explicit_loc".
* location.c (struct event_location) <explicit>: Rename to
"explicit_loc".
(initialize_explicit_location, new_explicit_location)
(explicit_location_to_string_internal, explicit_location_to_linespec):
Rename reserved C++ keyword "explicit" to "explicit_loc".
* location.h (explicit_location_to_string)
(explicit_location_to_linespec, initialize_explicit_location)
(new_explicit_location): Rename reserved C++ keyword "explicit"
to "explicit_loc".
* mi/mi-cmd-break.c (mi_cmd_break_insert_1): Rename reserved C++
keyword "explicit" to "explicit_loc".
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This patch exposes explicit locations to the CLI user. This enables
users to "explicitly" specify attributes of the breakpoint location
to avoid any ambiguity that might otherwise exist with linespecs.
The general syntax of explicit locations is:
-source SOURCE_FILENAME -line {+-}LINE -function FUNCTION_NAME
-label LABEL_NAME
Option names may be abbreviated, e.g., "-s SOURCE_FILENAME -li 3" and users
may use the completer with either options or values.
gdb/ChangeLog:
* completer.c: Include location.h.
(enum match_type): New enum.
(location_completer): Rename to ...
(linespec_completer): ... this.
(collect_explicit_location_matches, backup_text_ptr)
(explicit_location_completer): New functions.
(location_completer): "New" function; handle linespec
and explicit location completions.
(complete_line_internal): Remove all location completer-specific
handling.
* linespec.c (linespec_lexer_lex_keyword, is_ada_operator)
(find_toplevel_char): Export.
(linespec_parse_line_offset): Export.
Issue error if STRING is not numerical.
(gdb_get_linespec_parser_quote_characters): New function.
* linespec.h (linespec_parse_line_offset): Declare.
(get_gdb_linespec_parser_quote_characters): Declare.
(is_ada_operator): Declare.
(find_toplevel_char): Declare.
(linespec_lexer_lex_keyword): Declare.
* location.c (explicit_to_event_location): New function.
(explicit_location_lex_one): New function.
(string_to_explicit_location): New function.
(string_to_event_location): Handle explicit locations.
* location.h (explicit_to_event_location): Declare.
(string_to_explicit_location): Declare.
gdb/testsuite/ChangeLog:
* gdb.linespec/3explicit.c: New file.
* gdb.linespec/cpexplicit.cc: New file.
* gdb.linespec/cpexplicit.exp: New file.
* gdb.linespec/explicit.c: New file.
* gdb.linespec/explicit.exp: New file.
* gdb.linespec/explicit2.c: New file.
* gdb.linespec/ls-errs.exp: Add explicit location tests.
* lib/gdb.exp (capture_command_output): Regexp-escape `command'
before using in the matching pattern.
Clarify that `prefix' is a regular expression.
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This patch add support for explicit locations and switches many linespec
locations to this new location type. This patch also converts all
linespec locations entered by the user to an explicit representation
internally (thus bypassing the linespec parser when resetting the
breakpoint).
This patch does not introduce any user-visible changes.
gdb/ChangeLog:
* break-catch-throw.c (re_set_exception_catchpoint): Convert
linespec into explicit location.
* breakpoint.c (create_overlay_breakpoint)
(create_longjmp_master_breakpoint)
(create_std_terminate_master_breakpoint)
(create_exception_master_breakpoint): Convert linespec into explicit
location.
(update_static_tracepoint): Convert linespec into explicit location.
* linespec.c (enum offset_relative_sign, struct line_offset): Move
location.h.
(struct linespec) <expression, expr_pc, source_filename>
<function_name, label_name, line_offset>: Replace with ...
<explicit>: ... this.
<is_linespec>: New member.
(PARSER_EXPLICIT): New accessor macro.
(undefined_label_error): New function.
(source_file_not_found_error): New function.
(linespec_parse_basic): The parser result is now an explicit location.
Use PARSER_EXPLICIT to access it.
Use undefined_label_error.
(canonicalize_linespec): Convert canonical linespec into explicit
location.
Move string representation of location to explicit_location_to_linespec
and use it and explicit_location_to_string to save string
representations of the canonical location.
(create_sals_line_offset, convert_linespec_to_sals): `ls' contains an
explicit location. Update all references.
(convert_explicit_location_to_sals): New function.
(parse_linespec): Use PARSER_EXPLICIT to access the parser
result's explicit location.
(linespec_state_constructor): Initialize is_linespec.
Use PARSER_EXPLICIT.
(linespec_parser_delete): Use PARSER_EXPLICIT to access the parser's
result.
(event_location_to_sals): For linespec locations, set is_linespec.
Handle explicit locations.
(decode_objc): 'ls' contains an explicit location now. Update all
references.
(symtabs_from_filename): Use source_file_not_found_error.
* location.c (struct event_location.u) <explicit>: New member.
(initialize_explicit_location): New function.
(initialize_event_location): Initialize explicit locations.
(new_explicit_location, get_explicit_location)
(get_explicit_location_const): New functions.
(explicit_to_string_internal): New function; most of contents moved
from canonicalize_linespec.
(explicit_location_to_string): New function.
(explicit_location_to_linespec): New function.
(copy_event_location, delete_event_location)
(event_location_to_string_const, event_location_empty_p): Handle
explicit locations.
* location.h (enum offset_relative_sign, struct line_offset): Move
here from linespec.h.
(enum event_location_type): Add EXPLICIT_LOCATION.
(struct explicit_location): New structure.
(explicit_location_to_string): Declare.
(explicit_location_to_linespec): Declare.
(new_explicit_location, get_explicit_locationp
(get_explicit_location_const, initialize_explicit_location): Declare.
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This patch adds support for probe locations and converts existing
probe linespec locations to the new location type.
gdb/ChangeLog:
* break-catch-throw.c (re_set_exception_catchpoint): Convert
linespec for stap probe to probe location.
* breakpoint.c (create_longjmp_master_breakpoint)
(create_exception_master_breakpoint): Likewise.
(break_command_1): Remove local variable `arg_cp'.
Check location type to set appropriate breakpoint ops methods.
(trace_command): Likewise.
* linespec.c (event_location_to_sals): Assert on probe locations.
* location.c (EL_PROBE): Add macro definition.
(new_probe_location, get_probe_location): New functions.
(copy_event_location, delete_event_location, event_location_to_string)
(string_to_event_location, event_location_empty_p): Handle probe
locations.
* location.h (enum event_location_type): Add PROBE_LOCATION.
(new_probe_location, get_probe_location): Declare.
* probe.c (parse_probes): Assert that LOCATION is a probe location.
Convert linespec into probe location.
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This patch adds support for address locations, of the form "*ADDR".
[Support for address linespecs has been removed/replaced by this "new"
location type.] This patch also converts any existing address locations
from its previous linespec type.
gdb/ChangeLog:
* breakpoint.c (create_thread_event_breakpoint, init_breakpoint_sal):
Convert linespec to address location.
* linespec.c (canonicalize_linespec): Do not handle address
locations here.
(convert_address_location_to_sals): New function; contents moved
from ...
(convert_linespc_to_sals): ... here.
(parse_linespec): Remove address locations from linespec grammar.
Remove handling of address locations.
(linespec_lex_to_end): Remove handling of address linespecs.
(event_location_to_sals): Handle ADDRESS_LOCATION.
(linespec_expression_to_pc): Export.
* linespec.h (linespec_expression_to_pc): Add declaration.
* location.c (struct event_location.u) <address>: New member.
(new_address_location, get_address_location): New functions.
(copy_event_location, delete_event_location, event_location_to_string)
(string_to_event_location, event_location_empty_p): Handle address
locations.
* location.h (enum event_location_type): Add ADDRESS_LOCATION.
(new_address_location, get_address_location): Declare.
* python/py-finishbreakpoint.c (bpfinishpy_init): Convert linespec
to address location.
* spu-tdep.c (spu_catch_start): Likewise.
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This patch introduces the new breakpoint/"linespec" API based on
a new struct event_location. This API currently only supports
traditional linespecs, maintaining the status quo of the code base.
Future patches will add additional functionality for other location
types such as address locations.
gdb/ChangeLog:
* Makefile.in (SFILES): Add location.c.
(HFILES_NO_SRCDIR): Add location.h.
(COMMON_OBS): Add location.o.
* linespec.c (linespec_lex_to_end): New function.
* linespec.h (linespec_lex_to_end): Declare.
* location.c: New file.
* location.h: New file.
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