Merge GDB 7.5.1

gdb/ax.h

Index: gdb/ax.h
diff --git a/gdb/ax.h b/gdb/ax.h
index a25a3d158a8fe15d51a4d0f579d6901f680daefc..368f727c48e5371210cba1555b896c12813a92d9 100644
--- a/gdb/ax.h
+++ b/gdb/ax.h
@@ -20,6 +20,7 @@
 #define AGENTEXPR_H
 
 #include "doublest.h"		/* For DOUBLEST.  */
+#include "vec.h"
 
 /* It's sometimes useful to be able to debug programs that you can't
    really stop for more than a fraction of a second.  To this end, the
@@ -144,6 +145,12 @@ struct agent_expr
     unsigned char *reg_mask;
   };
 
+/* Pointer to an agent_expr structure.  */
+typedef struct agent_expr *agent_expr_p;
+
+/* Vector of pointers to agent expressions.  */
+DEF_VEC_P (agent_expr_p);
+
 /* The actual values of the various bytecode operations.  */
 
 enum agent_op
@@ -212,6 +219,9 @@ extern void ax_reg_mask (struct agent_expr *ax, int reg);
 
 /* Assemble code to operate on a trace state variable.  */
 extern void ax_tsv (struct agent_expr *expr, enum agent_op op, int num);
+
+/* Append a string to the bytecode stream.  */
+extern void ax_string (struct agent_expr *x, char *str, int slen);
 
 
 /* Functions for printing out expressions, and otherwise debugging