summaryrefslogtreecommitdiffstats
path: root/WebKit/android/benchmark/MyJavaVM.cpp
blob: 574c74583ba2ffb5182b1c0edcf2a9b73fc91780 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright 2009, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "MyJavaVM.h"

#include <JNIUtility.h>
#include <jni.h>

static JNIEnv* s_env;
static JavaVM* s_jvm;

// JavaVM functions
jint vm_attachCurrentThread(JavaVM*, JNIEnv** env, void*) {
    *env = s_env;
    return JNI_OK;
}

// JNIEnv functions
jobject env_callObjectMethodV(JNIEnv*, jobject, jmethodID, va_list) {
    return MY_JOBJECT;
}
void env_callVoidMethodV(JNIEnv*, jobject, jmethodID, va_list) {}
void env_deleteRef(JNIEnv*, jobject) {}
jboolean env_exceptionCheck(JNIEnv*) {
    return false;
}
jclass env_findClass(JNIEnv*, const char*) {
    return (jclass) 1;
}
jbyte* env_getByteArrayElements(JNIEnv*, jbyteArray, jboolean*) {
    return NULL;
}
jmethodID env_getMethodID(JNIEnv*, jclass, const char*, const char*) {
    return (jmethodID) 1;
}
jclass env_getObjectClass(JNIEnv*, jobject) {
    return (jclass) 1;
}
static const char* s_fakeString = "Fake Java String";
const jchar* env_getStringChars(JNIEnv*, jstring, jboolean* isCopy) {
    if (isCopy)
        *isCopy = false;
    return (const jchar*)s_fakeString;
}
jsize env_getStringLength(JNIEnv*, jstring) {
    return sizeof(s_fakeString) - 1;
}
jbyteArray env_newByteArray(JNIEnv*, jsize) {
    return (jbyteArray) 1;
}
jobject env_newRef(JNIEnv*, jobject obj) {
    return obj;
}
jobject env_newObjectV(JNIEnv*, jclass, jmethodID, va_list) {
    return MY_JOBJECT;
}
jstring env_newString(JNIEnv*, const jchar*, jsize) {
    return (jstring) 1;
}
void env_releaseByteArrayElements(JNIEnv*, jbyteArray, jbyte*, jint) {}
void env_releaseStringChars(JNIEnv*, jstring, const jchar*) {}
void env_setByteArrayRegion(JNIEnv*, jbyteArray, jsize, jsize, const jbyte*) {}
void env_setIntField(JNIEnv*, jobject, jfieldID, jint) {}

void InitializeJavaVM() {
    // First, create the fake vm
    s_jvm = new JavaVM;
    JNIInvokeInterface* i = new JNIInvokeInterface;
    memset(i, 0, sizeof(JNIInvokeInterface));
    s_jvm->functions = i;

    // Now, assign the functions of the vm to our fake ones.
    i->AttachCurrentThread      = vm_attachCurrentThread;

    // Create the fake env next
    s_env = new JNIEnv;
    JNINativeInterface* n = new JNINativeInterface;
    memset(n, 0, sizeof(JNINativeInterface));
    s_env->functions = n;

    // Point the functions we care about to out fake ones.
    n->CallObjectMethodV        = env_callObjectMethodV;
    n->CallVoidMethodV          = env_callVoidMethodV;
    n->DeleteLocalRef           = env_deleteRef;
    n->DeleteGlobalRef          = env_deleteRef;
    n->DeleteWeakGlobalRef      = env_deleteRef;
    n->ExceptionCheck           = env_exceptionCheck;
    n->FindClass                = env_findClass;
    n->GetByteArrayElements     = env_getByteArrayElements;
    n->GetMethodID              = env_getMethodID;
    n->GetObjectClass           = env_getObjectClass;
    n->GetStringChars           = env_getStringChars;
    n->GetStringLength          = env_getStringLength;
    n->NewByteArray             = env_newByteArray;
    n->NewLocalRef              = env_newRef;
    n->NewGlobalRef             = env_newRef;
    n->NewWeakGlobalRef         = env_newRef;
    n->NewObjectV               = env_newObjectV;
    n->NewString                = env_newString;
    n->ReleaseByteArrayElements = env_releaseByteArrayElements;
    n->ReleaseStringChars       = env_releaseStringChars;
    n->SetByteArrayRegion       = env_setByteArrayRegion;
    n->SetIntField              = env_setIntField;

    // Tell WebCore about the vm
    JSC::Bindings::setJavaVM(s_jvm);
}