+2015-08-11 Keith Seitz <keiths@redhat.com>
+
+ * 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.
+
2015-08-11 Keith Seitz <keiths@redhat.com>
* breakpoint.c (create_thread_event_breakpoint, init_breakpoint_sal):
/* We first try to use the probe interface. */
TRY
{
- char *spec = ASTRDUP (exception_functions[kind].probe);
-
- location = new_linespec_location (&spec);
+ location
+ = new_probe_location (exception_functions[kind].probe);
cleanup = make_cleanup_delete_event_location (location);
sals = parse_probes (location, NULL);
do_cleanups (cleanup);
int i;
struct probe *probe;
struct gdbarch *gdbarch = get_objfile_arch (objfile);
- char *p;
for (i = 0;
VEC_iterate (probe_p,
objfile),
bp_longjmp_master,
&internal_breakpoint_ops);
- p = ASTRDUP ("-probe-stap libc:longjmp");
- b->location = new_linespec_location (&p);
+ b->location
+ = new_probe_location ("-probe-stap libc:longjmp");
b->enable_state = bp_disabled;
}
++i)
{
struct breakpoint *b;
- char *p;
b = create_internal_breakpoint (gdbarch,
get_probe_address (probe,
objfile),
bp_exception_master,
&internal_breakpoint_ops);
- p = ASTRDUP ("-probe-stap libgcc:unwind");
- b->location = new_linespec_location (&p);
+ b->location
+ = new_probe_location ("-probe-stap libgcc:unwind");
b->enable_state = bp_disabled;
}
? bp_hardware_breakpoint
: bp_breakpoint);
struct breakpoint_ops *ops;
- const char *arg_cp = arg;
struct event_location *location;
struct cleanup *cleanup;
cleanup = make_cleanup_delete_event_location (location);
/* Matching breakpoints on probes. */
- if (arg_cp != NULL && probe_linespec_to_ops (&arg_cp) != NULL)
+ if (location != NULL
+ && event_location_type (location) == PROBE_LOCATION)
ops = &bkpt_probe_breakpoint_ops;
else
ops = &bkpt_breakpoint_ops;
struct breakpoint_ops *ops;
struct event_location *location;
struct cleanup *back_to;
- const char *arg_cp = arg;
location = string_to_event_location (&arg, current_language);
back_to = make_cleanup_delete_event_location (location);
- if (arg_cp != NULL && probe_linespec_to_ops (&arg_cp) != NULL)
+ if (location != NULL
+ && event_location_type (location) == PROBE_LOCATION)
ops = &tracepoint_probe_breakpoint_ops;
else
ops = &tracepoint_breakpoint_ops;
get_address_location (location));
break;
+ case PROBE_LOCATION:
+ /* Probes are handled by their own decoders. */
+ gdb_assert_not_reached ("attempt to decode probe location");
+ break;
+
default:
gdb_assert_not_reached ("unhandled event location type");
}
probes. */
char *addr_string;
#define EL_LINESPEC(PTR) ((PTR)->u.addr_string)
+#define EL_PROBE(PTR) ((PTR)->u.addr_string)
/* An address in the inferior. */
CORE_ADDR address;
/* See description in location.h. */
+struct event_location *
+new_probe_location (const char *probe)
+{
+ struct event_location *location;
+
+ location = XCNEW (struct event_location);
+ EL_TYPE (location) = PROBE_LOCATION;
+ if (probe != NULL)
+ EL_PROBE (location) = xstrdup (probe);
+ return location;
+}
+
+/* See description in location.h. */
+
+const char *
+get_probe_location (const struct event_location *location)
+{
+ gdb_assert (EL_TYPE (location) == PROBE_LOCATION);
+ return EL_PROBE (location);
+}
+
+/* See description in location.h. */
+
struct event_location *
copy_event_location (const struct event_location *src)
{
EL_ADDRESS (dst) = EL_ADDRESS (src);
break;
+ case PROBE_LOCATION:
+ if (EL_PROBE (src) != NULL)
+ EL_PROBE (dst) = xstrdup (EL_PROBE (src));
+ break;
+
default:
gdb_assert_not_reached ("unknown event location type");
}
/* Nothing to do. */
break;
+ case PROBE_LOCATION:
+ xfree (EL_PROBE (location));
+ break;
+
default:
gdb_assert_not_reached ("unknown event location type");
}
core_addr_to_string (EL_ADDRESS (location)));
break;
+ case PROBE_LOCATION:
+ EL_STRING (location) = xstrdup (EL_PROBE (location));
+ break;
+
default:
gdb_assert_not_reached ("unknown event location type");
}
}
else
{
- /* Everything else is a linespec. */
- location = new_linespec_location (stringp);
+ const char *cs;
+
+ /* Next, try the input as a probe spec. */
+ cs = *stringp;
+ if (cs != NULL && probe_linespec_to_ops (&cs) != NULL)
+ {
+ location = new_probe_location (*stringp);
+ *stringp += strlen (*stringp);
+ }
+ else
+ {
+ /* Everything else is a linespec. */
+ location = new_linespec_location (stringp);
+ }
}
return location;
case ADDRESS_LOCATION:
return 0;
+ case PROBE_LOCATION:
+ return EL_PROBE (location) == NULL;
+
default:
gdb_assert_not_reached ("unknown event location type");
}
LINESPEC_LOCATION,
/* An address in the inferior. */
- ADDRESS_LOCATION
+ ADDRESS_LOCATION,
+
+ /* A probe location. */
+ PROBE_LOCATION
};
/* Return the type of the given event location. */
extern CORE_ADDR
get_address_location (const struct event_location *location);
+/* Create a new probe location. The return result is malloc'd
+ and should be freed with delete_event_location. */
+
+extern struct event_location *
+ new_probe_location (const char *probe);
+
+/* Return the probe location (a string) of the given event_location
+ (which must be of type PROBE_LOCATION). */
+
+extern const char *
+ get_probe_location (const struct event_location *location);
+
/* Free an event location and any associated data. */
extern void delete_event_location (struct event_location *location);
result.sals = NULL;
result.nelts = 0;
- arg_start = get_linespec_location (location);
+ gdb_assert (event_location_type (location) == PROBE_LOCATION);
+ arg_start = get_probe_location (location);
cs = arg_start;
probe_ops = probe_linespec_to_ops (&cs);
make_cleanup (xfree, canon);
canonical->special_display = 1;
canonical->pre_expanded = 1;
- canonical->location = new_linespec_location (&canon);
+ canonical->location = new_probe_location (canon);
}
do_cleanups (cleanup);
projects / deliverable / binutils-gdb.git / commitdiff
