#include "value.h"
#include "ax.h"
#include "ax-gdb.h"
+#include "location.h"
#include <ctype.h>
typedef struct bound_probe bound_probe_s;
/* See definition in probe.h. */
struct symtabs_and_lines
-parse_probes (char **argptr, struct linespec_result *canonical)
+parse_probes (const struct event_location *location,
+ struct linespec_result *canonical)
{
- char *arg_start, *arg_end, *arg;
+ char *arg_end, *arg;
char *objfile_namestr = NULL, *provider = NULL, *name, *p;
struct cleanup *cleanup;
struct symtabs_and_lines result;
struct objfile *objfile;
struct program_space *pspace;
const struct probe_ops *probe_ops;
- const char *cs;
+ const char *arg_start, *cs;
result.sals = NULL;
result.nelts = 0;
- arg_start = *argptr;
+ gdb_assert (event_location_type (location) == PROBE_LOCATION);
+ arg_start = get_probe_location (location);
- cs = *argptr;
+ cs = arg_start;
probe_ops = probe_linespec_to_ops (&cs);
if (probe_ops == NULL)
error (_("'%s' is not a probe linespec"), arg_start);
if (canonical)
{
+ char *canon;
+
+ canon = savestring (arg_start, arg_end - arg_start);
+ make_cleanup (xfree, canon);
canonical->special_display = 1;
canonical->pre_expanded = 1;
- canonical->addr_string = savestring (*argptr, arg_end - *argptr);
+ canonical->location = new_probe_location (canon);
}
- *argptr = arg_end;
do_cleanups (cleanup);
return result;
return 0;
}
+/* Helper function that parses a probe linespec of the form [PROVIDER
+ [PROBE [OBJNAME]]] from the provided string STR. */
+
+static void
+parse_probe_linespec (const char *str, char **provider,
+ char **probe_name, char **objname)
+{
+ *probe_name = *objname = NULL;
+
+ *provider = extract_arg_const (&str);
+ if (*provider != NULL)
+ {
+ *probe_name = extract_arg_const (&str);
+ if (*probe_name != NULL)
+ *objname = extract_arg_const (&str);
+ }
+}
+
/* See comment in probe.h. */
void
struct bound_probe *probe;
struct gdbarch *gdbarch = get_current_arch ();
- /* Do we have a `provider:probe:objfile' style of linespec? */
- provider = extract_arg_const (&arg);
- if (provider)
- {
- make_cleanup (xfree, provider);
-
- probe_name = extract_arg_const (&arg);
- if (probe_name)
- {
- make_cleanup (xfree, probe_name);
-
- objname = extract_arg_const (&arg);
- if (objname)
- make_cleanup (xfree, objname);
- }
- }
+ parse_probe_linespec (arg, &provider, &probe_name, &objname);
+ make_cleanup (xfree, provider);
+ make_cleanup (xfree, probe_name);
+ make_cleanup (xfree, objname);
probes = collect_probes (objname, provider, probe_name, pops);
make_cleanup (VEC_cleanup (probe_p), &probes);
info_probes_for_ops (arg, from_tty, NULL);
}
+/* Implementation of the `enable probes' command. */
+
+static void
+enable_probes_command (char *arg, int from_tty)
+{
+ char *provider, *probe_name = NULL, *objname = NULL;
+ struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
+ VEC (bound_probe_s) *probes;
+ struct bound_probe *probe;
+ int i;
+
+ parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname);
+ make_cleanup (xfree, provider);
+ make_cleanup (xfree, probe_name);
+ make_cleanup (xfree, objname);
+
+ probes = collect_probes (objname, provider, probe_name, NULL);
+ if (VEC_empty (bound_probe_s, probes))
+ {
+ ui_out_message (current_uiout, 0, _("No probes matched.\n"));
+ do_cleanups (cleanup);
+ return;
+ }
+
+ /* Enable the selected probes, provided their backends support the
+ notion of enabling a probe. */
+ for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i)
+ {
+ const struct probe_ops *pops = probe->probe->pops;
+
+ if (pops->enable_probe != NULL)
+ {
+ pops->enable_probe (probe->probe);
+ ui_out_message (current_uiout, 0,
+ _("Probe %s:%s enabled.\n"),
+ probe->probe->provider, probe->probe->name);
+ }
+ else
+ ui_out_message (current_uiout, 0,
+ _("Probe %s:%s cannot be enabled.\n"),
+ probe->probe->provider, probe->probe->name);
+ }
+
+ do_cleanups (cleanup);
+}
+
+/* Implementation of the `disable probes' command. */
+
+static void
+disable_probes_command (char *arg, int from_tty)
+{
+ char *provider, *probe_name = NULL, *objname = NULL;
+ struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
+ VEC (bound_probe_s) *probes;
+ struct bound_probe *probe;
+ int i;
+
+ parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname);
+ make_cleanup (xfree, provider);
+ make_cleanup (xfree, probe_name);
+ make_cleanup (xfree, objname);
+
+ probes = collect_probes (objname, provider, probe_name, NULL /* pops */);
+ if (VEC_empty (bound_probe_s, probes))
+ {
+ ui_out_message (current_uiout, 0, _("No probes matched.\n"));
+ do_cleanups (cleanup);
+ return;
+ }
+
+ /* Disable the selected probes, provided their backends support the
+ notion of enabling a probe. */
+ for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i)
+ {
+ const struct probe_ops *pops = probe->probe->pops;
+
+ if (pops->disable_probe != NULL)
+ {
+ pops->disable_probe (probe->probe);
+ ui_out_message (current_uiout, 0,
+ _("Probe %s:%s disabled.\n"),
+ probe->probe->provider, probe->probe->name);
+ }
+ else
+ ui_out_message (current_uiout, 0,
+ _("Probe %s:%s cannot be disabled.\n"),
+ probe->probe->provider, probe->probe->name);
+ }
+
+ do_cleanups (cleanup);
+}
+
/* See comments in probe.h. */
CORE_ADDR
_("\
Show information about all type of probes."),
info_probes_cmdlist_get ());
+
+ add_cmd ("probes", class_breakpoint, enable_probes_command, _("\
+Enable probes.\n\
+Usage: enable probes [PROVIDER [NAME [OBJECT]]]\n\
+Each argument is a regular expression, used to select probes.\n\
+PROVIDER matches probe provider names.\n\
+NAME matches the probe names.\n\
+OBJECT matches the executable or shared library name.\n\
+If you do not specify any argument then the command will enable\n\
+all defined probes."),
+ &enablelist);
+
+ add_cmd ("probes", class_breakpoint, disable_probes_command, _("\
+Disable probes.\n\
+Usage: disable probes [PROVIDER [NAME [OBJECT]]]\n\
+Each argument is a regular expression, used to select probes.\n\
+PROVIDER matches probe provider names.\n\
+NAME matches the probe names.\n\
+OBJECT matches the executable or shared library name.\n\
+If you do not specify any argument then the command will disable\n\
+all defined probes."),
+ &disablelist);
+
}
projects / deliverable / binutils-gdb.git / blobdiff