diff options
Diffstat (limited to 'gdb/probe.h')
| -rw-r--r-- | gdb/probe.h | 100 |
1 files changed, 45 insertions, 55 deletions
diff --git a/gdb/probe.h b/gdb/probe.h index d7956c2..2ceeee6 100644 --- a/gdb/probe.h +++ b/gdb/probe.h @@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#if !defined (PROBE_H) +#if !defined(PROBE_H) #define PROBE_H 1 #include "symtab.h" @@ -29,15 +29,15 @@ struct linespec_result; `gen_ui_out_table_header'. */ struct info_probe_column - { - /* The internal name of the field. This string cannot be capitalized nor +{ + /* The internal name of the field. This string cannot be capitalized nor localized, e.g., "extra_field". */ - const char *field_name; + const char *field_name; - /* The field name to be printed in the `info probes' command. This + /* The field name to be printed in the `info probes' command. This string can be capitalized and localized, e.g., _("Extra Field"). */ - const char *print_name; - }; + const char *print_name; +}; /* Operations that act on probes, but are specific to each backend. These methods do not go into the 'class probe' because they do not @@ -54,6 +54,7 @@ struct info_probe_column class static_probe_ops { public: + /* Method responsible for verifying if LINESPECP is a valid linespec for a probe breakpoint. It should return true if it is, or false if it is not. It also should update LINESPECP in order to @@ -65,7 +66,8 @@ public: /* Function that should fill PROBES with known probes from OBJFILE. */ virtual void get_probes (std::vector<std::unique_ptr<probe>> *probes, - struct objfile *objfile) const = 0; + struct objfile *objfile) const + = 0; /* Return a pointer to a name identifying the probe type. This is the string that will be displayed in the "Type" column of the @@ -73,10 +75,7 @@ public: virtual const char *type_name () const = 0; /* Return true if the probe can be enabled; false otherwise. */ - virtual bool can_enable () const - { - return false; - } + virtual bool can_enable () const { return false; } /* Function responsible for providing the extra fields that will be printed in the `info probes' command. It should fill HEADS @@ -84,7 +83,7 @@ public: required by the probe backend, the method EMIT_INFO_PROBES_FIELDS should return false. */ virtual std::vector<struct info_probe_column> - gen_info_probes_table_header () const = 0; + gen_info_probes_table_header () const = 0; }; /* Definition of a vector of static_probe_ops. */ @@ -106,7 +105,7 @@ extern int probe_is_linespec_by_keyword (const char **linespecp, any known probe type, *LINESPECP is not modified in such case. */ extern const static_probe_ops * - probe_linespec_to_static_ops (const char **linespecp); +probe_linespec_to_static_ops (const char **linespecp); /* The probe itself. The class contains generic information about the probe. */ @@ -114,16 +113,19 @@ extern const static_probe_ops * class probe { public: + /* Default constructor for a probe. */ probe (std::string &&name_, std::string &&provider_, CORE_ADDR address_, struct gdbarch *arch_) - : m_name (std::move (name_)), m_provider (std::move (provider_)), - m_address (address_), m_arch (arch_) - {} + : m_name (std::move (name_)), + m_provider (std::move (provider_)), + m_address (address_), + m_arch (arch_) + { + } /* Virtual destructor. */ - virtual ~probe () - {} + virtual ~probe () {} /* Compute the probe's relocated address. OBJFILE is the objfile in which the probe originated. */ @@ -142,28 +144,29 @@ public: /* Evaluate the Nth argument from the probe, returning a value corresponding to it. The argument number is represented N. This function can throw an exception. */ - virtual struct value *evaluate_argument (unsigned n, - frame_info_ptr frame) = 0; + virtual struct value *evaluate_argument (unsigned n, frame_info_ptr frame) + = 0; /* Compile the Nth argument of the probe to an agent expression. The argument number is represented by N. */ virtual void compile_to_ax (struct agent_expr *aexpr, - struct axs_value *axs_value, - unsigned n) = 0; + struct axs_value *axs_value, unsigned n) + = 0; /* Set the semaphore associated with the probe. This function only makes sense if the probe has a concept of semaphore associated to a probe. */ - virtual void set_semaphore (struct objfile *objfile, - struct gdbarch *gdbarch) - {} + virtual void set_semaphore (struct objfile *objfile, struct gdbarch *gdbarch) + { + } /* Clear the semaphore associated with the probe. This function only makes sense if the probe has a concept of semaphore associated to a probe. */ virtual void clear_semaphore (struct objfile *objfile, struct gdbarch *gdbarch) - {} + { + } /* Return the pointer to the static_probe_ops instance related to the probe type. */ @@ -186,40 +189,27 @@ public: /* Enable the probe. The semantics of "enabling" a probe depend on the specific backend. This function can throw an exception. */ - virtual void enable () - {} + virtual void enable () {} /* Disable the probe. The semantics of "disabling" a probe depend on the specific backend. This function can throw an exception. */ - virtual void disable () - {} + virtual void disable () {} /* Getter for M_NAME. */ - const std::string &get_name () const - { - return m_name; - } + const std::string &get_name () const { return m_name; } /* Getter for M_PROVIDER. */ - const std::string &get_provider () const - { - return m_provider; - } + const std::string &get_provider () const { return m_provider; } /* Getter for M_ADDRESS. */ - CORE_ADDR get_address () const - { - return m_address; - } + CORE_ADDR get_address () const { return m_address; } /* Getter for M_ARCH. */ - struct gdbarch *get_gdbarch () const - { - return m_arch; - } + struct gdbarch *get_gdbarch () const { return m_arch; } private: + /* The name of the probe. */ std::string m_name; @@ -243,13 +233,14 @@ private: struct bound_probe { /* Create an empty bound_probe object. */ - bound_probe () - {} + bound_probe () {} /* Create and initialize a bound_probe object using PROBE and OBJFILE. */ bound_probe (probe *probe_, struct objfile *objfile_) - : prob (probe_), objfile (objfile_) - {} + : prob (probe_), + objfile (objfile_) + { + } /* The probe. */ probe *prob = NULL; @@ -262,10 +253,9 @@ struct bound_probe returns a std::vector<symtab_and_line> object and updates LOC or throws an error. */ -extern std::vector<symtab_and_line> parse_probes - (const location_spec *locspec, - struct program_space *pspace, - struct linespec_result *canon); +extern std::vector<symtab_and_line> +parse_probes (const location_spec *locspec, struct program_space *pspace, + struct linespec_result *canon); /* Given a PC, find an associated probe. If a probe is found, return it. If no probe is found, return a bound probe whose fields are |