2010-12-28 Hui Zhu <teawater@gmail.com>

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

diff --git a/gdb/value.h b/gdb/value.h
index 474e661c97ea4697e1e8c7fa22439416e3456b6f..cf089be562fd74a9356b6024e11fc9d5001dfe29 100644 (file)
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -136,8 +136,9 @@ extern void deprecated_set_value_modifiable (struct value *value,
    normally.  */
 
 extern struct type *value_enclosing_type (struct value *);
-extern struct value *value_change_enclosing_type (struct value *val,
-                                                 struct type *new_type);
+extern void set_value_enclosing_type (struct value *val,
+                                     struct type *new_type);
+
 extern int value_pointed_to_offset (struct value *value);
 extern void set_value_pointed_to_offset (struct value *value, int val);
 extern int value_embedded_offset (struct value *value);
@@ -170,7 +171,17 @@ struct lval_funcs
   int (*check_validity) (const struct value *value, int offset, int length);
 
   /* Return 1 if any bit in VALUE is valid, 0 if they are all invalid.  */
-  int (*check_all_valid) (const struct value *value);
+  int (*check_any_valid) (const struct value *value);
+
+  /* If non-NULL, this is used to implement pointer indirection for
+     this value.  This method may return NULL, in which case value_ind
+     will fall back to ordinary indirection.  */
+  struct value *(*indirect) (struct value *value);
+
+  /* If non-NULL, this is used to determine whether the indicated bits
+     of VALUE are a synthetic pointer.  */
+  int (*check_synthetic_pointer) (const struct value *value,
+                                 int offset, int length);
 
   /* Return a duplicate of VALUE's closure, for use in a new value.
      This may simply return the same closure, if VALUE's is
@@ -337,6 +348,12 @@ extern struct value *coerce_array (struct value *value);
 extern int value_bits_valid (const struct value *value,
                             int offset, int length);
 
+/* Given a value, determine whether the bits starting at OFFSET and
+   extending for LENGTH bits are a synthetic pointer.  */
+
+extern int value_bits_synthetic_pointer (const struct value *value,
+                                        int offset, int length);
+
 \f
 
 #include "symtab.h"
@@ -538,6 +555,10 @@ extern struct value *evaluate_subexp (struct type *expect_type,
 extern struct value *evaluate_subexpression_type (struct expression *exp,
                                                  int subexp);
 
+extern void fetch_subexp_value (struct expression *exp, int *pc,
+                               struct value **valp, struct value **resultp,
+                               struct value **val_chain);
+
 extern char *extract_field_op (struct expression *exp, int *subexp);
 
 extern struct value *evaluate_subexp_with_coercion (struct expression *,
@@ -635,6 +656,8 @@ extern void value_free (struct value *val);
 
 extern void free_all_values (void);
 
+extern void free_value_chain (struct value *v);
+
 extern void release_value (struct value *val);
 
 extern int record_latest_value (struct value *val);
@@ -681,7 +704,8 @@ extern int common_val_print (struct value *val,
                             const struct value_print_options *options,
                             const struct language_defn *language);
 
-extern int val_print_string (struct type *elttype, CORE_ADDR addr, int len,
+extern int val_print_string (struct type *elttype, const char *encoding,
+                            CORE_ADDR addr, int len,
                             struct ui_file *stream,
                             const struct value_print_options *options);
 
@@ -704,6 +728,8 @@ extern void preserve_values (struct objfile *);
 
 extern struct value *value_copy (struct value *);
 
+extern struct value *value_non_lval (struct value *);
+
 extern void preserve_one_value (struct value *, struct objfile *, htab_t);
 
 /* From valops.c */