2011-02-28 Michael Snyder <msnyder@vmware.com>

[deliverable/binutils-gdb.git] / gdb / dwarf2loc.h

diff --git a/gdb/dwarf2loc.h b/gdb/dwarf2loc.h
index e94346cea5fe32cd150a47212198ea8c0cc9bb97..96a490e5def6d07fc19315e08b5697707a962a7e 100644 (file)
--- a/gdb/dwarf2loc.h
+++ b/gdb/dwarf2loc.h
@@ -1,6 +1,6 @@
 /* DWARF 2 location expression support for GDB.
 
-   Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010
+   Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010, 2011
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -25,6 +25,8 @@ struct symbol_computed_ops;
 struct objfile;
 struct dwarf2_per_cu_data;
 struct dwarf2_loclist_baton;
+struct agent_expr;
+struct axs_value;
 
 /* This header is private to the DWARF-2 reader.  It is shared between
    dwarf2read.c and dwarf2loc.c.  */
@@ -106,4 +108,25 @@ struct dwarf2_loclist_baton
 extern const struct symbol_computed_ops dwarf2_locexpr_funcs;
 extern const struct symbol_computed_ops dwarf2_loclist_funcs;
 
+/* Compile a DWARF location expression to an agent expression.
+   
+   EXPR is the agent expression we are building.
+   LOC is the agent value we modify.
+   ARCH is the architecture.
+   ADDR_SIZE is the size of addresses, in bytes.
+   OP_PTR is the start of the location expression.
+   OP_END is one past the last byte of the location expression.
+   
+   This will throw an exception for various kinds of errors -- for
+   example, if the expression cannot be compiled, or if the expression
+   is invalid.  */
+
+extern void dwarf2_compile_expr_to_ax (struct agent_expr *expr,
+                                      struct axs_value *loc,
+                                      struct gdbarch *arch,
+                                      unsigned int addr_size,
+                                      const gdb_byte *op_ptr,
+                                      const gdb_byte *op_end,
+                                      struct dwarf2_per_cu_data *per_cu);
+
 #endif /* dwarf2loc.h */