X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fax.h;h=9fcb40ae8b0eeec92608e0bb2377919ea0e460a1;hb=9f1b45b0da430a7a7abf9e54acbe6f2ef9d3a763;hp=32887efeeb4b073253e6b0eba2e7ac4b5ebb131b;hpb=741d92cf3986c9327b90b1153c9f6e2a6a2cc13f;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/ax.h b/gdb/ax.h
index 32887efeeb..9fcb40ae8b 100644
--- a/gdb/ax.h
+++ b/gdb/ax.h
@@ -1,5 +1,5 @@
 /* Definitions for expressions designed to be executed on the agent
-   Copyright (C) 1998-2013 Free Software Foundation, Inc.
+   Copyright (C) 1998-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -143,6 +143,23 @@ struct agent_expr
     */
     int reg_mask_len;
     unsigned char *reg_mask;
+
+    /* For the data tracing facility, we need to insert `trace' bytecodes
+       before each data fetch; this records all the memory that the
+       expression touches in the course of evaluation, so that memory will
+       be available when the user later tries to evaluate the expression
+       in GDB.
+
+       Setting the flag 'tracing' to non-zero enables the code that
+       emits the trace bytecodes at the appropriate points.  */
+
+    unsigned int tracing : 1;
+
+    /* This indicates that pointers to chars should get an added
+       tracenz bytecode to record nonzero bytes, up to a length that
+       is the value of trace_string.  */
+
+    int trace_string;
   };
 
 /* Pointer to an agent_expr structure.  */