cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

qlit.c (3240B)

      1/*
      2 * QLit literal qobject
      3 *
      4 * Copyright IBM, Corp. 2009
      5 * Copyright (c) 2013, 2015, 2017 Red Hat Inc.
      6 *
      7 * Authors:
      8 *  Anthony Liguori   <aliguori@us.ibm.com>
      9 *  Markus Armbruster <armbru@redhat.com>
     10 *  Marc-André Lureau <marcandre.lureau@redhat.com>
     11 *
     12 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
     13 * See the COPYING.LIB file in the top-level directory.
     14 */
     15
     16#include "qemu/osdep.h"
     17
     18#include "qapi/qmp/qlit.h"
     19#include "qapi/qmp/qbool.h"
     20#include "qapi/qmp/qlist.h"
     21#include "qapi/qmp/qnum.h"
     22#include "qapi/qmp/qdict.h"
     23#include "qapi/qmp/qstring.h"
     24#include "qapi/qmp/qnull.h"
     25
     26static bool qlit_equal_qdict(const QLitObject *lhs, const QDict *qdict)
     27{
     28    int i;
     29
     30    for (i = 0; lhs->value.qdict[i].key; i++) {
     31        QObject *obj = qdict_get(qdict, lhs->value.qdict[i].key);
     32
     33        if (!qlit_equal_qobject(&lhs->value.qdict[i].value, obj)) {
     34            return false;
     35        }
     36    }
     37
     38    /* Note: the literal qdict must not contain duplicates, this is
     39     * considered a programming error and it isn't checked here. */
     40    if (qdict_size(qdict) != i) {
     41        return false;
     42    }
     43
     44    return true;
     45}
     46
     47static bool qlit_equal_qlist(const QLitObject *lhs, const QList *qlist)
     48{
     49    QListEntry *e;
     50    int i = 0;
     51
     52    QLIST_FOREACH_ENTRY(qlist, e) {
     53        QObject *obj = qlist_entry_obj(e);
     54
     55        if (!qlit_equal_qobject(&lhs->value.qlist[i], obj)) {
     56            return false;
     57        }
     58        i++;
     59    }
     60
     61    return !e && lhs->value.qlist[i].type == QTYPE_NONE;
     62}
     63
     64bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs)
     65{
     66    if (!rhs || lhs->type != qobject_type(rhs)) {
     67        return false;
     68    }
     69
     70    switch (lhs->type) {
     71    case QTYPE_QBOOL:
     72        return lhs->value.qbool == qbool_get_bool(qobject_to(QBool, rhs));
     73    case QTYPE_QNUM:
     74        return lhs->value.qnum ==  qnum_get_int(qobject_to(QNum, rhs));
     75    case QTYPE_QSTRING:
     76        return (strcmp(lhs->value.qstr,
     77                       qstring_get_str(qobject_to(QString, rhs))) == 0);
     78    case QTYPE_QDICT:
     79        return qlit_equal_qdict(lhs, qobject_to(QDict, rhs));
     80    case QTYPE_QLIST:
     81        return qlit_equal_qlist(lhs, qobject_to(QList, rhs));
     82    case QTYPE_QNULL:
     83        return true;
     84    default:
     85        break;
     86    }
     87
     88    return false;
     89}
     90
     91QObject *qobject_from_qlit(const QLitObject *qlit)
     92{
     93    switch (qlit->type) {
     94    case QTYPE_QNULL:
     95        return QOBJECT(qnull());
     96    case QTYPE_QNUM:
     97        return QOBJECT(qnum_from_int(qlit->value.qnum));
     98    case QTYPE_QSTRING:
     99        return QOBJECT(qstring_from_str(qlit->value.qstr));
    100    case QTYPE_QDICT: {
    101        QDict *qdict = qdict_new();
    102        QLitDictEntry *e;
    103
    104        for (e = qlit->value.qdict; e->key; e++) {
    105            qdict_put_obj(qdict, e->key, qobject_from_qlit(&e->value));
    106        }
    107        return QOBJECT(qdict);
    108    }
    109    case QTYPE_QLIST: {
    110        QList *qlist = qlist_new();
    111        QLitObject *e;
    112
    113        for (e = qlit->value.qlist; e->type != QTYPE_NONE; e++) {
    114            qlist_append_obj(qlist, qobject_from_qlit(e));
    115        }
    116        return QOBJECT(qlist);
    117    }
    118    case QTYPE_QBOOL:
    119        return QOBJECT(qbool_from_bool(qlit->value.qbool));
    120    default:
    121        assert(0);
    122    }
    123
    124    return NULL;
    125}