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 5f05b5651c3c3d0bd842595d0cef4a303fb1b5b2..2875ad47689eaac73057cedd7282385cbeeb8b36 100644 (file)
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -559,6 +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 *)
@@ -1910,6 +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.