btrace, gdbserver: read branch trace incrementally

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

diff --git a/gdb/gdbserver/target.h b/gdb/gdbserver/target.h
index d064b79ab5ab3608cc21ac54d66bfa2dba3ca1b2..ae48cd776d9edbef42e34a521bd46a1d3fc3977b 100644 (file)
--- a/gdb/gdbserver/target.h
+++ b/gdb/gdbserver/target.h
@@ -1,5 +1,5 @@
 /* Target operations for the remote server for GDB.
-   Copyright (C) 2002-2013 Free Software Foundation, Inc.
+   Copyright (C) 2002-2014 Free Software Foundation, Inc.
 
    Contributed by MontaVista Software.
 
@@ -21,11 +21,14 @@
 #ifndef TARGET_H
 #define TARGET_H
 
-#include "target-common.h"
+#include "target/resume.h"
+#include "target/wait.h"
+#include "target/waitstatus.h"
 
 struct emit_ops;
 struct btrace_target_info;
 struct buffer;
+struct process_info;
 
 /* This structure describes how to resume a particular thread (or all
    threads) based on the client's request.  If thread is -1, then this
@@ -353,12 +356,15 @@ struct target_ops
      information struct for reading and for disabling branch trace.  */
   struct btrace_target_info *(*enable_btrace) (ptid_t ptid);
 
-  /* Disable branch tracing.  */
+  /* Disable branch tracing.
+     Returns zero on success, non-zero otherwise.  */
   int (*disable_btrace) (struct btrace_target_info *tinfo);
 
   /* Read branch trace data into buffer.  We use an int to specify the type
-     to break a cyclic dependency.  */
-  void (*read_btrace) (struct btrace_target_info *, struct buffer *, int type);
+     to break a cyclic dependency.
+     Return 0 on success; print an error message into BUFFER and return -1,
+     otherwise.  */
+  int (*read_btrace) (struct btrace_target_info *, struct buffer *, int type);
 
   /* Return true if target supports range stepping.  */
   int (*supports_range_stepping) (void);