range stepping: gdbserver (x86 GNU/Linux)

[thirdparty/binutils-gdb.git] / gdb / gdbserver / target.h

diff --git a/gdb/gdbserver/target.h b/gdb/gdbserver/target.h
index f257459b143555122454ad9c1cd5907869e54956..c57cb40deb250f899473241e7e8067340333d67d 100644 (file)
--- a/gdb/gdbserver/target.h
+++ b/gdb/gdbserver/target.h
@@ -57,6 +57,15 @@ struct thread_resume
      linux; SuspendThread on win32).  This is a host signal value (not
      enum gdb_signal).  */
   int sig;
+
+  /* Range to single step within.  Valid only iff KIND is resume_step.
+
+     Single-step once, and then continuing stepping as long as the
+     thread stops in this range.  (If the range is empty
+     [STEP_RANGE_START == STEP_RANGE_END], then this is a single-step
+     request.)  */
+  CORE_ADDR step_range_start;  /* Inclusive */
+  CORE_ADDR step_range_end;    /* Exclusive */
 };
 
 /* Generally, what has the program done?  */
@@ -414,6 +423,8 @@ struct target_ops
      to break a cyclic dependency.  */
   void (*read_btrace) (struct btrace_target_info *, struct buffer *, int type);
 
+  /* Return true if target supports range stepping.  */
+  int (*supports_range_stepping) (void);
 };
 
 extern struct target_ops *the_target;
@@ -549,6 +560,10 @@ int kill_inferior (int);
 #define target_read_btrace(tinfo, buffer, type)        \
   (*the_target->read_btrace) (tinfo, buffer, type)
 
+#define target_supports_range_stepping() \
+  (the_target->supports_range_stepping ? \
+   (*the_target->supports_range_stepping) () : 0)
+
 /* Start non-stop mode, returns 0 on success, -1 on failure.   */
 
 int start_non_stop (int nonstop);