btrace: temporarily set inferior_ptid in record_btrace_start_replaying

[deliverable/binutils-gdb.git] / gdb / target.h

diff --git a/gdb/target.h b/gdb/target.h
index 1fdaf00ac22912908cbd2214f87fbd48ebe6299c..2875ad47689eaac73057cedd7282385cbeeb8b36 100644 (file)
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -122,15 +122,8 @@ enum inferior_event_type
     /* Process a normal inferior event which will result in target_wait
        being called.  */
     INF_REG_EVENT,
-    /* We are called because a timer went off.  */
-    INF_TIMER,
     /* We are called to do stuff after the inferior stops.  */
     INF_EXEC_COMPLETE,
-    /* We are called to do some stuff after the inferior stops, but we
-       are expected to reenter the proceed() and
-       handle_inferior_event() functions.  This is used only in case of
-       'step n' like commands.  */
-    INF_EXEC_CONTINUE
   };
 \f
 /* Target objects which can be transfered using target_read,
@@ -471,7 +464,7 @@ struct target_ops
     ptid_t (*to_wait) (struct target_ops *,
                       ptid_t, struct target_waitstatus *,
                       int TARGET_DEBUG_PRINTER (target_debug_print_options))
-      TARGET_DEFAULT_NORETURN (noprocess ());
+      TARGET_DEFAULT_FUNC (default_target_wait);
     void (*to_fetch_registers) (struct target_ops *, struct regcache *, int)
       TARGET_DEFAULT_IGNORE ();
     void (*to_store_registers) (struct target_ops *, struct regcache *, int)
@@ -566,6 +559,12 @@ struct target_ops
     int (*to_masked_watch_num_registers) (struct target_ops *,
                                          CORE_ADDR, CORE_ADDR)
       TARGET_DEFAULT_RETURN (-1);
+
+    /* Return 1 for sure target can do single step.  Return -1 for
+       unknown.  Return 0 for target can't do.  */
+    int (*to_can_do_single_step) (struct target_ops *)
+      TARGET_DEFAULT_RETURN (-1);
+
     void (*to_terminal_init) (struct target_ops *)
       TARGET_DEFAULT_IGNORE ();
     void (*to_terminal_inferior) (struct target_ops *)
@@ -603,6 +602,8 @@ struct target_ops
       TARGET_DEFAULT_RETURN (1);
     int (*to_remove_exec_catchpoint) (struct target_ops *, int)
       TARGET_DEFAULT_RETURN (1);
+    void (*to_follow_exec) (struct target_ops *, struct inferior *, char *)
+      TARGET_DEFAULT_IGNORE ();
     int (*to_set_syscall_catchpoint) (struct target_ops *,
                                      int, int, int, int, int *)
       TARGET_DEFAULT_RETURN (1);
@@ -642,6 +643,8 @@ struct target_ops
       TARGET_DEFAULT_IGNORE ();
     void (*to_interrupt) (struct target_ops *, ptid_t)
       TARGET_DEFAULT_IGNORE ();
+    void (*to_check_pending_interrupt) (struct target_ops *)
+      TARGET_DEFAULT_IGNORE ();
     void (*to_rcmd) (struct target_ops *,
                     const char *command, struct ui_file *output)
       TARGET_DEFAULT_FUNC (default_rcmd);
@@ -1325,6 +1328,13 @@ extern void target_resume (ptid_t ptid, int step, enum gdb_signal signal);
 extern ptid_t target_wait (ptid_t ptid, struct target_waitstatus *status,
                           int options);
 
+/* The default target_ops::to_wait implementation.  */
+
+extern ptid_t default_target_wait (struct target_ops *ops,
+                                  ptid_t ptid,
+                                  struct target_waitstatus *status,
+                                  int options);
+
 /* Fetch at least register REGNO, or all regs if regno == -1.  No result.  */
 
 extern void target_fetch_registers (struct regcache *regcache, int regno);
@@ -1575,6 +1585,11 @@ extern void target_load (const char *arg, int from_tty);
 
 int target_follow_fork (int follow_child, int detach_fork);
 
+/* Handle the target-specific bookkeeping required when the inferior
+   makes an exec call.  INF is the exec'd inferior.  */
+
+void target_follow_exec (struct inferior *inf, char *execd_pathname);
+
 /* On some targets, we can catch an inferior exec event when it
    occurs.  These functions insert/remove an already-created
    catchpoint for such events.  They return  0 for success, 1 if the
@@ -1684,6 +1699,14 @@ extern void target_stop (ptid_t ptid);
 
 extern void target_interrupt (ptid_t ptid);
 
+/* Some targets install their own SIGINT handler while the target is
+   running.  This method is called from the QUIT macro to give such
+   targets a chance to process a Ctrl-C.  The target may e.g., choose
+   to interrupt the (potentially) long running operation, or give up
+   waiting and disconnect.  */
+
+extern void target_check_pending_interrupt (void);
+
 /* Send the specified COMMAND to the target's monitor
    (shell,interpreter) for execution.  The result of the query is
    placed in OUTBUF.  */
@@ -1893,6 +1916,9 @@ extern char *target_thread_name (struct thread_info *);
                                                      addr, len)
 
 
+#define target_can_do_single_step() \
+  (*current_target.to_can_do_single_step) (&current_target)
+
 /* Set/clear a hardware watchpoint starting at ADDR, for LEN bytes.
    TYPE is 0 for write, 1 for read, and 2 for read/write accesses.
    COND is the expression for its condition, or NULL if there's none.