shared code. */
struct process_stratum_target
{
- /* Return true if target supports range stepping. */
- int (*supports_range_stepping) (void);
-
- /* Return the full absolute name of the executable file that was
- run to create the process PID. If the executable file cannot
- be determined, NULL is returned. Otherwise, a pointer to a
- character string containing the pathname is returned. This
- string should be copied into a buffer by the client if the string
- will not be immediately used, or if it must persist. */
- char *(*pid_to_exec_file) (int pid);
-
- /* Multiple-filesystem-aware open. Like open(2), but operating in
- the filesystem as it appears to process PID. Systems where all
- processes share a common filesystem should set this to NULL.
- If NULL, the caller should fall back to open(2). */
- int (*multifs_open) (int pid, const char *filename,
- int flags, mode_t mode);
-
- /* Multiple-filesystem-aware unlink. Like unlink(2), but operates
- in the filesystem as it appears to process PID. Systems where
- all processes share a common filesystem should set this to NULL.
- If NULL, the caller should fall back to unlink(2). */
- int (*multifs_unlink) (int pid, const char *filename);
-
- /* Multiple-filesystem-aware readlink. Like readlink(2), but
- operating in the filesystem as it appears to process PID.
- Systems where all processes share a common filesystem should
- set this to NULL. If NULL, the caller should fall back to
- readlink(2). */
- ssize_t (*multifs_readlink) (int pid, const char *filename,
- char *buf, size_t bufsiz);
-
- /* Return the breakpoint kind for this target based on PC. The PCPTR is
- adjusted to the real memory location in case a flag (e.g., the Thumb bit on
- ARM) was present in the PC. */
- int (*breakpoint_kind_from_pc) (CORE_ADDR *pcptr);
-
- /* Return the software breakpoint from KIND. KIND can have target
- specific meaning like the Z0 kind parameter.
- SIZE is set to the software breakpoint's length in memory. */
- const gdb_byte *(*sw_breakpoint_from_kind) (int kind, int *size);
-
- /* Return the thread's name, or NULL if the target is unable to determine it.
- The returned value must not be freed by the caller. */
- const char *(*thread_name) (ptid_t thread);
-
- /* Return the breakpoint kind for this target based on the current
- processor state (e.g. the current instruction mode on ARM) and the
- PC. The PCPTR is adjusted to the real memory location in case a flag
- (e.g., the Thumb bit on ARM) is present in the PC. */
- int (*breakpoint_kind_from_current_state) (CORE_ADDR *pcptr);
-
/* Returns true if the target can software single step. */
int (*supports_software_single_step) (void);
/* Return tdesc index for IPA. */
int (*get_ipa_tdesc_idx) (void);
- /* Thread ID to (numeric) thread handle: Return true on success and
- false for failure. Return pointer to thread handle via HANDLE
- and the handle's length via HANDLE_LEN. */
- bool (*thread_handle) (ptid_t ptid, gdb_byte **handle, int *handle_len);
-
/* The object that will gradually replace this struct. */
process_target *pt;
};
otherwise. */
virtual int read_btrace_conf (const btrace_target_info *tinfo,
buffer *buf);
+
+ /* Return true if target supports range stepping. */
+ virtual bool supports_range_stepping ();
+
+ /* Return true if the pid_to_exec_file op is supported. */
+ virtual bool supports_pid_to_exec_file ();
+
+ /* Return the full absolute name of the executable file that was
+ run to create the process PID. If the executable file cannot
+ be determined, NULL is returned. Otherwise, a pointer to a
+ character string containing the pathname is returned. This
+ string should be copied into a buffer by the client if the string
+ will not be immediately used, or if it must persist. */
+ virtual char *pid_to_exec_file (int pid);
+
+ /* Return true if any of the multifs ops is supported. */
+ virtual bool supports_multifs ();
+
+ /* Multiple-filesystem-aware open. Like open(2), but operating in
+ the filesystem as it appears to process PID. Systems where all
+ processes share a common filesystem should not override this.
+ The default behavior is to use open(2). */
+ virtual int multifs_open (int pid, const char *filename,
+ int flags, mode_t mode);
+
+ /* Multiple-filesystem-aware unlink. Like unlink(2), but operates
+ in the filesystem as it appears to process PID. Systems where
+ all processes share a common filesystem should not override this.
+ The default behavior is to use unlink(2). */
+ virtual int multifs_unlink (int pid, const char *filename);
+
+ /* Multiple-filesystem-aware readlink. Like readlink(2), but
+ operating in the filesystem as it appears to process PID.
+ Systems where all processes share a common filesystem should
+ not override this. The default behavior is to use readlink(2). */
+ virtual ssize_t multifs_readlink (int pid, const char *filename,
+ char *buf, size_t bufsiz);
+
+ /* Return the breakpoint kind for this target based on PC. The
+ PCPTR is adjusted to the real memory location in case a flag
+ (e.g., the Thumb bit on ARM) was present in the PC. */
+ virtual int breakpoint_kind_from_pc (CORE_ADDR *pcptr);
+
+ /* Return the software breakpoint from KIND. KIND can have target
+ specific meaning like the Z0 kind parameter.
+ SIZE is set to the software breakpoint's length in memory. */
+ virtual const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) = 0;
+
+ /* Return the breakpoint kind for this target based on the current
+ processor state (e.g. the current instruction mode on ARM) and the
+ PC. The PCPTR is adjusted to the real memory location in case a
+ flag (e.g., the Thumb bit on ARM) is present in the PC. */
+ virtual int breakpoint_kind_from_current_state (CORE_ADDR *pcptr);
+
+ /* Return the thread's name, or NULL if the target is unable to
+ determine it. The returned value must not be freed by the
+ caller. */
+ virtual const char *thread_name (ptid_t thread);
+
+ /* Thread ID to (numeric) thread handle: Return true on success and
+ false for failure. Return pointer to thread handle via HANDLE
+ and the handle's length via HANDLE_LEN. */
+ virtual bool thread_handle (ptid_t ptid, gdb_byte **handle,
+ int *handle_len);
};
extern process_stratum_target *the_target;
}
#define target_supports_range_stepping() \
- (the_target->supports_range_stepping ? \
- (*the_target->supports_range_stepping) () : 0)
+ the_target->pt->supports_range_stepping ()
#define target_supports_stopped_by_sw_breakpoint() \
the_target->pt->supports_stopped_by_sw_breakpoint ()
the_target->pt->stopped_by_hw_breakpoint ()
#define target_breakpoint_kind_from_pc(pcptr) \
- (the_target->breakpoint_kind_from_pc \
- ? (*the_target->breakpoint_kind_from_pc) (pcptr) \
- : default_breakpoint_kind_from_pc (pcptr))
+ the_target->pt->breakpoint_kind_from_pc (pcptr)
#define target_breakpoint_kind_from_current_state(pcptr) \
- (the_target->breakpoint_kind_from_current_state \
- ? (*the_target->breakpoint_kind_from_current_state) (pcptr) \
- : target_breakpoint_kind_from_pc (pcptr))
+ the_target->pt->breakpoint_kind_from_current_state (pcptr)
#define target_supports_software_single_step() \
(the_target->supports_software_single_step ? \
the_target->pt->core_of_thread (ptid)
#define target_thread_name(ptid) \
- (the_target->thread_name ? (*the_target->thread_name) (ptid) \
- : NULL)
+ the_target->pt->thread_name (ptid)
#define target_thread_handle(ptid, handle, handle_len) \
- (the_target->thread_handle ? (*the_target->thread_handle) \
- (ptid, handle, handle_len) \
- : false)
+ the_target->pt->thread_handle (ptid, handle, handle_len)
int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len);
const char *target_pid_to_str (ptid_t);
-int default_breakpoint_kind_from_pc (CORE_ADDR *pcptr);
-
#endif /* GDBSERVER_TARGET_H */