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5b56227bdc
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.
130 lines
4.1 KiB
C
130 lines
4.1 KiB
C
/* Data structures and API for event locations in GDB.
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Copyright (C) 2013-2015 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef LOCATIONS_H
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#define LOCATIONS_H 1
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struct language_defn;
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struct event_location;
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/* An enumeration of the various ways to specify a stop event
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location (used with create_breakpoint). */
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enum event_location_type
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{
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/* A traditional linespec. */
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LINESPEC_LOCATION,
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/* An address in the inferior. */
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ADDRESS_LOCATION,
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/* A probe location. */
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PROBE_LOCATION
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};
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/* Return the type of the given event location. */
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extern enum event_location_type
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event_location_type (const struct event_location *);
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/* Return a string representation of the LOCATION.
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This function may return NULL for unspecified linespecs,
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e.g, LOCATION_LINESPEC and addr_string is NULL.
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The result is cached in LOCATION. */
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extern const char *
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event_location_to_string (struct event_location *location);
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/* Create a new linespec location. The return result is malloc'd
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and should be freed with delete_event_location. */
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extern struct event_location *
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new_linespec_location (char **linespec);
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/* Return the linespec location (a string) of the given event_location
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(which must be of type LINESPEC_LOCATION). */
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extern const char *
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get_linespec_location (const struct event_location *location);
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/* Create a new address location. The return result is malloc'd
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and should be freed with delete_event_location. */
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extern struct event_location *
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new_address_location (CORE_ADDR addr);
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/* Return the address location (a CORE_ADDR) of the given event_location
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(which must be of type ADDRESS_LOCATION). */
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extern CORE_ADDR
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get_address_location (const struct event_location *location);
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/* Create a new probe location. The return result is malloc'd
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and should be freed with delete_event_location. */
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extern struct event_location *
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new_probe_location (const char *probe);
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/* Return the probe location (a string) of the given event_location
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(which must be of type PROBE_LOCATION). */
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extern const char *
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get_probe_location (const struct event_location *location);
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/* Free an event location and any associated data. */
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extern void delete_event_location (struct event_location *location);
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/* Make a cleanup to free LOCATION. */
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extern struct cleanup *
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make_cleanup_delete_event_location (struct event_location *location);
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/* Return a copy of the given SRC location. */
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extern struct event_location *
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copy_event_location (const struct event_location *src);
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/* Attempt to convert the input string in *ARGP into an event_location.
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ARGP is advanced past any processed input. Returns an event_location
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(malloc'd) if an event location was successfully found in *ARGP,
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NULL otherwise.
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This function may call error() if *ARGP looks like properly formed,
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but invalid, input, e.g., if it is called with missing argument parameters
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or invalid options.
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The return result must be freed with delete_event_location. */
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extern struct event_location *
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string_to_event_location (char **argp,
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const struct language_defn *langauge);
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/* A convenience function for testing for unset locations. */
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extern int event_location_empty_p (const struct event_location *location);
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/* Set the location's string representation. If STRING is NULL, clear
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the string representation. */
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extern void
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set_event_location_string (struct event_location *location,
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const char *string);
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#endif /* LOCATIONS_H */
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