cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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clone-visitor.h (1890B)

      1/*
      2 * Clone Visitor
      3 *
      4 * Copyright (C) 2016 Red Hat, Inc.
      5 *
      6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
      7 * See the COPYING file in the top-level directory.
      8 *
      9 */
     10
     11#ifndef QAPI_CLONE_VISITOR_H
     12#define QAPI_CLONE_VISITOR_H
     13
     14#include "qapi/visitor.h"
     15
     16/*
     17 * The clone visitor is for direct use only by the QAPI_CLONE() macro;
     18 * it requires that the root visit occur on an object, list, or
     19 * alternate, and is not usable directly on built-in QAPI types.
     20 */
     21typedef struct QapiCloneVisitor QapiCloneVisitor;
     22
     23void *qapi_clone(const void *src, bool (*visit_type)(Visitor *, const char *,
     24                                                     void **, Error **));
     25void qapi_clone_members(void *dst, const void *src, size_t sz,
     26                        bool (*visit_type_members)(Visitor *, void *,
     27                                                   Error **));
     28
     29/*
     30 * Deep-clone QAPI object @src of the given @type, and return the result.
     31 *
     32 * Not usable on QAPI scalars (integers, strings, enums), nor on a
     33 * QAPI object that references the 'any' type.  Safe when @src is NULL.
     34 */
     35#define QAPI_CLONE(type, src)                                           \
     36    ((type *)qapi_clone(src,                                            \
     37                        (bool (*)(Visitor *, const char *, void **,     \
     38                                  Error **))visit_type_ ## type))
     39
     40/*
     41 * Copy deep clones of @type members from @src to @dst.
     42 *
     43 * Not usable on QAPI scalars (integers, strings, enums), nor on a
     44 * QAPI object that references the 'any' type.
     45 */
     46#define QAPI_CLONE_MEMBERS(type, dst, src)                              \
     47    qapi_clone_members(dst, src, sizeof(type),                          \
     48                       (bool (*)(Visitor *, void *,                     \
     49                                 Error **))visit_type_ ## type ## _members)
     50
     51#endif