gdbarch: add instruction predicate methods

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

diff --git a/gdb/value.h b/gdb/value.h
index f03cf76676579745d67622aa71d779f1bfedd9aa..f8466690e0d306bb9904a25fba8f9b7881edcc66 100644 (file)
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -1,6 +1,6 @@
 /* Definitions for values of C expressions, for GDB.
 
-   Copyright (C) 1986-2013 Free Software Foundation, Inc.
+   Copyright (C) 1986-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -273,6 +273,11 @@ extern void set_value_lazy (struct value *value, int val);
 extern int value_stack (struct value *);
 extern void set_value_stack (struct value *value, int val);
 
+/* Throw an error complaining that the value has been optimized
+   out.  */
+
+extern void error_value_optimized_out (void);
+
 /* value_contents() and value_contents_raw() both return the address
    of the gdb buffer used to hold a copy of the contents of the lval.
    value_contents() is used when the contents of the buffer are needed
@@ -431,6 +436,14 @@ extern int value_bits_synthetic_pointer (const struct value *value,
 extern int value_bytes_available (const struct value *value,
                                  int offset, int length);
 
+/* Given a value, determine whether the contents bits starting at
+   OFFSET and extending for LENGTH bits are available.  This returns
+   nonzero if all bits in the given range are available, zero if any
+   bit is unavailable.  */
+
+extern int value_bits_available (const struct value *value,
+                                int offset, int length);
+
 /* Like value_bytes_available, but return false if any byte in the
    whole object is unavailable.  */
 extern int value_entirely_available (struct value *value);
@@ -445,6 +458,12 @@ extern int value_entirely_unavailable (struct value *value);
 extern void mark_value_bytes_unavailable (struct value *value,
                                          int offset, int length);
 
+/* Mark VALUE's content bits starting at OFFSET and extending for
+   LENGTH bits as unavailable.  */
+
+extern void mark_value_bits_unavailable (struct value *value,
+                                        int offset, int length);
+
 /* Compare LENGTH bytes of VAL1's contents starting at OFFSET1 with
    LENGTH bytes of VAL2's contents starting at OFFSET2.
 
@@ -593,7 +612,6 @@ extern struct value *default_read_var_value (struct symbol *var,
 
 extern struct value *allocate_value (struct type *type);
 extern struct value *allocate_value_lazy (struct type *type);
-extern void allocate_value_contents (struct value *value);
 extern void value_contents_copy (struct value *dst, int dst_offset,
                                 struct value *src, int src_offset,
                                 int length);
@@ -652,6 +670,11 @@ extern struct value *value_struct_elt (struct value **argp,
                                       const char *name, int *static_memfuncp,
                                       const char *err);
 
+extern struct value *value_struct_elt_bitpos (struct value **argp,
+                                             int bitpos,
+                                             struct type *field_type,
+                                             const char *err);
+
 extern struct value *value_aggregate_elt (struct type *curtype,
                                          char *name,
                                          struct type *expect_type,