/* Generic SDT probe support for GDB.
- Copyright (C) 2012-2015 Free Software Foundation, Inc.
+ Copyright (C) 2012-2017 Free Software Foundation, Inc.
This file is part of GDB.
#if !defined (PROBE_H)
#define PROBE_H 1
+struct event_location;
+
#include "gdb_vecs.h"
/* Definition of a vector of probes. */
/* Function that should fill PROBES with known probes from OBJFILE. */
- void (*get_probes) (VEC (probe_p) **probes, struct objfile *objfile);
+ void (*get_probes) (std::vector<probe *> *probes, struct objfile *objfile);
/* Compute the probe's relocated address. OBJFILE is the objfile
in which the probe originated. */
CORE_ADDR (*get_probe_address) (struct probe *probe,
struct objfile *objfile);
- /* Return the number of arguments of PROBE. */
+ /* Return the number of arguments of PROBE. This function can
+ throw an exception. */
unsigned (*get_probe_argument_count) (struct probe *probe,
struct frame_info *frame);
int (*can_evaluate_probe_arguments) (struct probe *probe);
/* Evaluate the Nth argument from the PROBE, returning a value
- corresponding to it. The argument number is represented N. */
+ corresponding to it. The argument number is represented N.
+ This function can throw an exception. */
struct value *(*evaluate_probe_argument) (struct probe *probe,
unsigned n,
void (*gen_info_probes_table_values) (struct probe *probe,
VEC (const_char_ptr) **values);
+
+ /* Enable a probe. The semantics of "enabling" a probe depend on
+ the specific backend and the field can be NULL in case enabling
+ probes is not supported. This function can throw an
+ exception. */
+
+ void (*enable_probe) (struct probe *probe);
+
+ /* Disable a probe. The semantics of "disabling" a probe depend
+ on the specific backend and the field can be NULL in case
+ disabling probes is not supported. This function can throw an
+ exception. */
+
+ void (*disable_probe) (struct probe *probe);
};
/* Definition of a vector of probe_ops. */
-typedef const struct probe_ops *probe_ops_cp;
-DEF_VEC_P (probe_ops_cp);
-extern VEC (probe_ops_cp) *all_probe_ops;
+extern std::vector<const probe_ops *> all_probe_ops;
/* The probe_ops associated with the generic probe. */
their point of use. */
struct bound_probe
- {
- /* The probe. */
+{
+ /* Create an empty bound_probe object. */
- struct probe *probe;
+ bound_probe ()
+ {}
- /* The objfile in which the probe originated. */
+ /* Create and initialize a bound_probe object using PROBE and OBJFILE. */
- struct objfile *objfile;
- };
+ bound_probe (struct probe *probe_, struct objfile *objfile_)
+ : probe (probe_), objfile (objfile_)
+ {}
-/* A helper for linespec that decodes a probe specification. It returns a
- symtabs_and_lines object and updates *ARGPTR or throws an error. */
+ /* The probe. */
-extern struct symtabs_and_lines parse_probes (char **argptr,
- struct linespec_result *canon);
+ struct probe *probe = NULL;
+
+ /* The objfile in which the probe originated. */
+
+ struct objfile *objfile = NULL;
+};
+
+/* A helper for linespec that decodes a probe specification. It
+ returns a std::vector<symtab_and_line> object and updates LOC or
+ throws an error. */
+
+extern std::vector<symtab_and_line> parse_probes
+ (const struct event_location *loc,
+ struct program_space *pspace,
+ struct linespec_result *canon);
/* Helper function to register the proper probe_ops to a newly created probe.
This function is mainly called from `sym_get_probes'. */
extern CORE_ADDR get_probe_address (struct probe *probe,
struct objfile *objfile);
-/* Return the argument count of the specified probe. */
+/* Return the argument count of the specified probe.
+
+ This function can throw an exception. */
extern unsigned get_probe_argument_count (struct probe *probe,
struct frame_info *frame);
extern int can_evaluate_probe_arguments (struct probe *probe);
/* Evaluate argument N of the specified probe. N must be between 0
- inclusive and get_probe_argument_count exclusive. */
+ inclusive and get_probe_argument_count exclusive.
+
+ This function can throw an exception. */
extern struct value *evaluate_probe_argument (struct probe *probe,
unsigned n,