Return gdbpy_ref from gdb_py_object_from_*longest

[deliverable/binutils-gdb.git] / gdb / ax.h

diff --git a/gdb/ax.h b/gdb/ax.h
index eaa72ddb7039ef7c358dac75e87f397d6262b26a..6066b77076518125d6c90db91dc71a67ec18b819 100644 (file)
--- a/gdb/ax.h
+++ b/gdb/ax.h
@@ -1,5 +1,5 @@
 /* Definitions for expressions designed to be executed on the agent
-   Copyright (C) 1998-2015 Free Software Foundation, Inc.
+   Copyright (C) 1998-2018 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -19,7 +19,6 @@
 #ifndef AGENTEXPR_H
 #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
@@ -80,20 +79,14 @@ enum agent_flaws
 
 /* Agent expression data structures.  */
 
-/* The type of an element of the agent expression stack.
-   The bytecode operation indicates which element we should access;
-   the value itself has no typing information.  GDB generates all
-   bytecode streams, so we don't have to worry about type errors.  */
-
-union agent_val
-  {
-    LONGEST l;
-    DOUBLEST d;
-  };
-
 /* A buffer containing a agent expression.  */
 struct agent_expr
   {
+    /* Construct an empty agent expression.  */
+    explicit agent_expr (struct gdbarch *gdbarch, CORE_ADDR scope);
+
+    ~agent_expr ();
+
     /* The bytes of the expression.  */
     unsigned char *buf;
 
@@ -162,11 +155,8 @@ struct agent_expr
     int trace_string;
   };
 
-/* 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);
+/* An agent_expr owning pointer.  */
+typedef std::unique_ptr<agent_expr> agent_expr_up;
 
 /* The actual values of the various bytecode operations.  */
 
@@ -183,12 +173,8 @@ enum agent_op
 
 /* Functions for building expressions.  */
 
-/* Allocate a new, empty agent expression.  */
-extern struct agent_expr *new_agent_expr (struct gdbarch *, CORE_ADDR);
-
-/* Free a agent expression.  */
-extern void free_agent_expr (struct agent_expr *);
-extern struct cleanup *make_cleanup_free_agent_expr (struct agent_expr *);
+/* Append a raw byte to EXPR.  */
+extern void ax_raw_byte (struct agent_expr *expr, gdb_byte byte);
 
 /* Append a simple operator OP to EXPR.  */
 extern void ax_simple (struct agent_expr *EXPR, enum agent_op OP);