1/*
2 * Copyright 2006 The Android Open Source Project
3 *
4 * JNI specification, as defined by Sun:
5 * http://java.sun.com/javase/6/docs/technotes/guides/jni/spec/jniTOC.html
6 *
7 * Everything here is expected to be VM-neutral.
8 */
9#ifndef _JNI_H
10#define _JNI_H
11
12#include <stdarg.h>
13
14/*
15 * Primitive types that match up with Java equivalents.
16 */
17#ifdef HAVE_INTTYPES_H
18# include <inttypes.h>      /* C99 */
19typedef uint8_t         jboolean;       /* unsigned 8 bits */
20typedef int8_t          jbyte;          /* signed 8 bits */
21typedef uint16_t        jchar;          /* unsigned 16 bits */
22typedef int16_t         jshort;         /* signed 16 bits */
23typedef int32_t         jint;           /* signed 32 bits */
24typedef int64_t         jlong;          /* signed 64 bits */
25typedef float           jfloat;         /* 32-bit IEEE 754 */
26typedef double          jdouble;        /* 64-bit IEEE 754 */
27#else
28typedef unsigned char   jboolean;       /* unsigned 8 bits */
29typedef signed char     jbyte;          /* signed 8 bits */
30typedef unsigned short  jchar;          /* unsigned 16 bits */
31typedef short           jshort;         /* signed 16 bits */
32typedef int             jint;           /* signed 32 bits */
33typedef long long       jlong;          /* signed 64 bits */
34typedef float           jfloat;         /* 32-bit IEEE 754 */
35typedef double          jdouble;        /* 64-bit IEEE 754 */
36#endif
37
38/* "cardinal indices and sizes" */
39typedef jint            jsize;
40
41#ifdef __cplusplus
42/*
43 * Reference types, in C++
44 */
45class _jobject {};
46class _jclass : public _jobject {};
47class _jstring : public _jobject {};
48class _jarray : public _jobject {};
49class _jobjectArray : public _jarray {};
50class _jbooleanArray : public _jarray {};
51class _jbyteArray : public _jarray {};
52class _jcharArray : public _jarray {};
53class _jshortArray : public _jarray {};
54class _jintArray : public _jarray {};
55class _jlongArray : public _jarray {};
56class _jfloatArray : public _jarray {};
57class _jdoubleArray : public _jarray {};
58class _jthrowable : public _jobject {};
59
60typedef _jobject*       jobject;
61typedef _jclass*        jclass;
62typedef _jstring*       jstring;
63typedef _jarray*        jarray;
64typedef _jobjectArray*  jobjectArray;
65typedef _jbooleanArray* jbooleanArray;
66typedef _jbyteArray*    jbyteArray;
67typedef _jcharArray*    jcharArray;
68typedef _jshortArray*   jshortArray;
69typedef _jintArray*     jintArray;
70typedef _jlongArray*    jlongArray;
71typedef _jfloatArray*   jfloatArray;
72typedef _jdoubleArray*  jdoubleArray;
73typedef _jthrowable*    jthrowable;
74typedef _jobject*       jweak;
75
76
77#else /* not __cplusplus */
78
79/*
80 * Reference types, in C.
81 */
82typedef void*           jobject;
83typedef jobject         jclass;
84typedef jobject         jstring;
85typedef jobject         jarray;
86typedef jarray          jobjectArray;
87typedef jarray          jbooleanArray;
88typedef jarray          jbyteArray;
89typedef jarray          jcharArray;
90typedef jarray          jshortArray;
91typedef jarray          jintArray;
92typedef jarray          jlongArray;
93typedef jarray          jfloatArray;
94typedef jarray          jdoubleArray;
95typedef jobject         jthrowable;
96typedef jobject         jweak;
97
98#endif /* not __cplusplus */
99
100struct _jfieldID;                       /* opaque structure */
101typedef struct _jfieldID* jfieldID;     /* field IDs */
102
103struct _jmethodID;                      /* opaque structure */
104typedef struct _jmethodID* jmethodID;   /* method IDs */
105
106struct JNIInvokeInterface;
107
108typedef union jvalue {
109    jboolean    z;
110    jbyte       b;
111    jchar       c;
112    jshort      s;
113    jint        i;
114    jlong       j;
115    jfloat      f;
116    jdouble     d;
117    jobject     l;
118} jvalue;
119
120typedef enum jobjectRefType {
121    JNIInvalidRefType = 0,
122    JNILocalRefType = 1,
123    JNIGlobalRefType = 2,
124    JNIWeakGlobalRefType = 3
125} jobjectRefType;
126
127typedef struct {
128    const char* name;
129    const char* signature;
130    void*       fnPtr;
131} JNINativeMethod;
132
133struct _JNIEnv;
134struct _JavaVM;
135typedef const struct JNINativeInterface* C_JNIEnv;
136
137#if defined(__cplusplus)
138typedef _JNIEnv JNIEnv;
139typedef _JavaVM JavaVM;
140#else
141typedef const struct JNINativeInterface* JNIEnv;
142typedef const struct JNIInvokeInterface* JavaVM;
143#endif
144
145/*
146 * Table of interface function pointers.
147 */
148struct JNINativeInterface {
149    void*       reserved0;
150    void*       reserved1;
151    void*       reserved2;
152    void*       reserved3;
153
154    jint        (*GetVersion)(JNIEnv *);
155
156    jclass      (*DefineClass)(JNIEnv*, const char*, jobject, const jbyte*,
157                        jsize);
158    jclass      (*FindClass)(JNIEnv*, const char*);
159
160    jmethodID   (*FromReflectedMethod)(JNIEnv*, jobject);
161    jfieldID    (*FromReflectedField)(JNIEnv*, jobject);
162    /* spec doesn't show jboolean parameter */
163    jobject     (*ToReflectedMethod)(JNIEnv*, jclass, jmethodID, jboolean);
164
165    jclass      (*GetSuperclass)(JNIEnv*, jclass);
166    jboolean    (*IsAssignableFrom)(JNIEnv*, jclass, jclass);
167
168    /* spec doesn't show jboolean parameter */
169    jobject     (*ToReflectedField)(JNIEnv*, jclass, jfieldID, jboolean);
170
171    jint        (*Throw)(JNIEnv*, jthrowable);
172    jint        (*ThrowNew)(JNIEnv *, jclass, const char *);
173    jthrowable  (*ExceptionOccurred)(JNIEnv*);
174    void        (*ExceptionDescribe)(JNIEnv*);
175    void        (*ExceptionClear)(JNIEnv*);
176    void        (*FatalError)(JNIEnv*, const char*);
177
178    jint        (*PushLocalFrame)(JNIEnv*, jint);
179    jobject     (*PopLocalFrame)(JNIEnv*, jobject);
180
181    jobject     (*NewGlobalRef)(JNIEnv*, jobject);
182    void        (*DeleteGlobalRef)(JNIEnv*, jobject);
183    void        (*DeleteLocalRef)(JNIEnv*, jobject);
184    jboolean    (*IsSameObject)(JNIEnv*, jobject, jobject);
185
186    jobject     (*NewLocalRef)(JNIEnv*, jobject);
187    jint        (*EnsureLocalCapacity)(JNIEnv*, jint);
188
189    jobject     (*AllocObject)(JNIEnv*, jclass);
190    jobject     (*NewObject)(JNIEnv*, jclass, jmethodID, ...);
191    jobject     (*NewObjectV)(JNIEnv*, jclass, jmethodID, va_list);
192    jobject     (*NewObjectA)(JNIEnv*, jclass, jmethodID, jvalue*);
193
194    jclass      (*GetObjectClass)(JNIEnv*, jobject);
195    jboolean    (*IsInstanceOf)(JNIEnv*, jobject, jclass);
196    jmethodID   (*GetMethodID)(JNIEnv*, jclass, const char*, const char*);
197
198    jobject     (*CallObjectMethod)(JNIEnv*, jobject, jmethodID, ...);
199    jobject     (*CallObjectMethodV)(JNIEnv*, jobject, jmethodID, va_list);
200    jobject     (*CallObjectMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
201    jboolean    (*CallBooleanMethod)(JNIEnv*, jobject, jmethodID, ...);
202    jboolean    (*CallBooleanMethodV)(JNIEnv*, jobject, jmethodID, va_list);
203    jboolean    (*CallBooleanMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
204    jbyte       (*CallByteMethod)(JNIEnv*, jobject, jmethodID, ...);
205    jbyte       (*CallByteMethodV)(JNIEnv*, jobject, jmethodID, va_list);
206    jbyte       (*CallByteMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
207    jchar       (*CallCharMethod)(JNIEnv*, jobject, jmethodID, ...);
208    jchar       (*CallCharMethodV)(JNIEnv*, jobject, jmethodID, va_list);
209    jchar       (*CallCharMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
210    jshort      (*CallShortMethod)(JNIEnv*, jobject, jmethodID, ...);
211    jshort      (*CallShortMethodV)(JNIEnv*, jobject, jmethodID, va_list);
212    jshort      (*CallShortMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
213    jint        (*CallIntMethod)(JNIEnv*, jobject, jmethodID, ...);
214    jint        (*CallIntMethodV)(JNIEnv*, jobject, jmethodID, va_list);
215    jint        (*CallIntMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
216    jlong       (*CallLongMethod)(JNIEnv*, jobject, jmethodID, ...);
217    jlong       (*CallLongMethodV)(JNIEnv*, jobject, jmethodID, va_list);
218    jlong       (*CallLongMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
219    jfloat      (*CallFloatMethod)(JNIEnv*, jobject, jmethodID, ...);
220    jfloat      (*CallFloatMethodV)(JNIEnv*, jobject, jmethodID, va_list);
221    jfloat      (*CallFloatMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
222    jdouble     (*CallDoubleMethod)(JNIEnv*, jobject, jmethodID, ...);
223    jdouble     (*CallDoubleMethodV)(JNIEnv*, jobject, jmethodID, va_list);
224    jdouble     (*CallDoubleMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
225    void        (*CallVoidMethod)(JNIEnv*, jobject, jmethodID, ...);
226    void        (*CallVoidMethodV)(JNIEnv*, jobject, jmethodID, va_list);
227    void        (*CallVoidMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);
228
229    jobject     (*CallNonvirtualObjectMethod)(JNIEnv*, jobject, jclass,
230                        jmethodID, ...);
231    jobject     (*CallNonvirtualObjectMethodV)(JNIEnv*, jobject, jclass,
232                        jmethodID, va_list);
233    jobject     (*CallNonvirtualObjectMethodA)(JNIEnv*, jobject, jclass,
234                        jmethodID, jvalue*);
235    jboolean    (*CallNonvirtualBooleanMethod)(JNIEnv*, jobject, jclass,
236                        jmethodID, ...);
237    jboolean    (*CallNonvirtualBooleanMethodV)(JNIEnv*, jobject, jclass,
238                         jmethodID, va_list);
239    jboolean    (*CallNonvirtualBooleanMethodA)(JNIEnv*, jobject, jclass,
240                         jmethodID, jvalue*);
241    jbyte       (*CallNonvirtualByteMethod)(JNIEnv*, jobject, jclass,
242                        jmethodID, ...);
243    jbyte       (*CallNonvirtualByteMethodV)(JNIEnv*, jobject, jclass,
244                        jmethodID, va_list);
245    jbyte       (*CallNonvirtualByteMethodA)(JNIEnv*, jobject, jclass,
246                        jmethodID, jvalue*);
247    jchar       (*CallNonvirtualCharMethod)(JNIEnv*, jobject, jclass,
248                        jmethodID, ...);
249    jchar       (*CallNonvirtualCharMethodV)(JNIEnv*, jobject, jclass,
250                        jmethodID, va_list);
251    jchar       (*CallNonvirtualCharMethodA)(JNIEnv*, jobject, jclass,
252                        jmethodID, jvalue*);
253    jshort      (*CallNonvirtualShortMethod)(JNIEnv*, jobject, jclass,
254                        jmethodID, ...);
255    jshort      (*CallNonvirtualShortMethodV)(JNIEnv*, jobject, jclass,
256                        jmethodID, va_list);
257    jshort      (*CallNonvirtualShortMethodA)(JNIEnv*, jobject, jclass,
258                        jmethodID, jvalue*);
259    jint        (*CallNonvirtualIntMethod)(JNIEnv*, jobject, jclass,
260                        jmethodID, ...);
261    jint        (*CallNonvirtualIntMethodV)(JNIEnv*, jobject, jclass,
262                        jmethodID, va_list);
263    jint        (*CallNonvirtualIntMethodA)(JNIEnv*, jobject, jclass,
264                        jmethodID, jvalue*);
265    jlong       (*CallNonvirtualLongMethod)(JNIEnv*, jobject, jclass,
266                        jmethodID, ...);
267    jlong       (*CallNonvirtualLongMethodV)(JNIEnv*, jobject, jclass,
268                        jmethodID, va_list);
269    jlong       (*CallNonvirtualLongMethodA)(JNIEnv*, jobject, jclass,
270                        jmethodID, jvalue*);
271    jfloat      (*CallNonvirtualFloatMethod)(JNIEnv*, jobject, jclass,
272                        jmethodID, ...);
273    jfloat      (*CallNonvirtualFloatMethodV)(JNIEnv*, jobject, jclass,
274                        jmethodID, va_list);
275    jfloat      (*CallNonvirtualFloatMethodA)(JNIEnv*, jobject, jclass,
276                        jmethodID, jvalue*);
277    jdouble     (*CallNonvirtualDoubleMethod)(JNIEnv*, jobject, jclass,
278                        jmethodID, ...);
279    jdouble     (*CallNonvirtualDoubleMethodV)(JNIEnv*, jobject, jclass,
280                        jmethodID, va_list);
281    jdouble     (*CallNonvirtualDoubleMethodA)(JNIEnv*, jobject, jclass,
282                        jmethodID, jvalue*);
283    void        (*CallNonvirtualVoidMethod)(JNIEnv*, jobject, jclass,
284                        jmethodID, ...);
285    void        (*CallNonvirtualVoidMethodV)(JNIEnv*, jobject, jclass,
286                        jmethodID, va_list);
287    void        (*CallNonvirtualVoidMethodA)(JNIEnv*, jobject, jclass,
288                        jmethodID, jvalue*);
289
290    jfieldID    (*GetFieldID)(JNIEnv*, jclass, const char*, const char*);
291
292    jobject     (*GetObjectField)(JNIEnv*, jobject, jfieldID);
293    jboolean    (*GetBooleanField)(JNIEnv*, jobject, jfieldID);
294    jbyte       (*GetByteField)(JNIEnv*, jobject, jfieldID);
295    jchar       (*GetCharField)(JNIEnv*, jobject, jfieldID);
296    jshort      (*GetShortField)(JNIEnv*, jobject, jfieldID);
297    jint        (*GetIntField)(JNIEnv*, jobject, jfieldID);
298    jlong       (*GetLongField)(JNIEnv*, jobject, jfieldID);
299    jfloat      (*GetFloatField)(JNIEnv*, jobject, jfieldID);
300    jdouble     (*GetDoubleField)(JNIEnv*, jobject, jfieldID);
301
302    void        (*SetObjectField)(JNIEnv*, jobject, jfieldID, jobject);
303    void        (*SetBooleanField)(JNIEnv*, jobject, jfieldID, jboolean);
304    void        (*SetByteField)(JNIEnv*, jobject, jfieldID, jbyte);
305    void        (*SetCharField)(JNIEnv*, jobject, jfieldID, jchar);
306    void        (*SetShortField)(JNIEnv*, jobject, jfieldID, jshort);
307    void        (*SetIntField)(JNIEnv*, jobject, jfieldID, jint);
308    void        (*SetLongField)(JNIEnv*, jobject, jfieldID, jlong);
309    void        (*SetFloatField)(JNIEnv*, jobject, jfieldID, jfloat);
310    void        (*SetDoubleField)(JNIEnv*, jobject, jfieldID, jdouble);
311
312    jmethodID   (*GetStaticMethodID)(JNIEnv*, jclass, const char*, const char*);
313
314    jobject     (*CallStaticObjectMethod)(JNIEnv*, jclass, jmethodID, ...);
315    jobject     (*CallStaticObjectMethodV)(JNIEnv*, jclass, jmethodID, va_list);
316    jobject     (*CallStaticObjectMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
317    jboolean    (*CallStaticBooleanMethod)(JNIEnv*, jclass, jmethodID, ...);
318    jboolean    (*CallStaticBooleanMethodV)(JNIEnv*, jclass, jmethodID,
319                        va_list);
320    jboolean    (*CallStaticBooleanMethodA)(JNIEnv*, jclass, jmethodID,
321                        jvalue*);
322    jbyte       (*CallStaticByteMethod)(JNIEnv*, jclass, jmethodID, ...);
323    jbyte       (*CallStaticByteMethodV)(JNIEnv*, jclass, jmethodID, va_list);
324    jbyte       (*CallStaticByteMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
325    jchar       (*CallStaticCharMethod)(JNIEnv*, jclass, jmethodID, ...);
326    jchar       (*CallStaticCharMethodV)(JNIEnv*, jclass, jmethodID, va_list);
327    jchar       (*CallStaticCharMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
328    jshort      (*CallStaticShortMethod)(JNIEnv*, jclass, jmethodID, ...);
329    jshort      (*CallStaticShortMethodV)(JNIEnv*, jclass, jmethodID, va_list);
330    jshort      (*CallStaticShortMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
331    jint        (*CallStaticIntMethod)(JNIEnv*, jclass, jmethodID, ...);
332    jint        (*CallStaticIntMethodV)(JNIEnv*, jclass, jmethodID, va_list);
333    jint        (*CallStaticIntMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
334    jlong       (*CallStaticLongMethod)(JNIEnv*, jclass, jmethodID, ...);
335    jlong       (*CallStaticLongMethodV)(JNIEnv*, jclass, jmethodID, va_list);
336    jlong       (*CallStaticLongMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
337    jfloat      (*CallStaticFloatMethod)(JNIEnv*, jclass, jmethodID, ...);
338    jfloat      (*CallStaticFloatMethodV)(JNIEnv*, jclass, jmethodID, va_list);
339    jfloat      (*CallStaticFloatMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
340    jdouble     (*CallStaticDoubleMethod)(JNIEnv*, jclass, jmethodID, ...);
341    jdouble     (*CallStaticDoubleMethodV)(JNIEnv*, jclass, jmethodID, va_list);
342    jdouble     (*CallStaticDoubleMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
343    void        (*CallStaticVoidMethod)(JNIEnv*, jclass, jmethodID, ...);
344    void        (*CallStaticVoidMethodV)(JNIEnv*, jclass, jmethodID, va_list);
345    void        (*CallStaticVoidMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);
346
347    jfieldID    (*GetStaticFieldID)(JNIEnv*, jclass, const char*,
348                        const char*);
349
350    jobject     (*GetStaticObjectField)(JNIEnv*, jclass, jfieldID);
351    jboolean    (*GetStaticBooleanField)(JNIEnv*, jclass, jfieldID);
352    jbyte       (*GetStaticByteField)(JNIEnv*, jclass, jfieldID);
353    jchar       (*GetStaticCharField)(JNIEnv*, jclass, jfieldID);
354    jshort      (*GetStaticShortField)(JNIEnv*, jclass, jfieldID);
355    jint        (*GetStaticIntField)(JNIEnv*, jclass, jfieldID);
356    jlong       (*GetStaticLongField)(JNIEnv*, jclass, jfieldID);
357    jfloat      (*GetStaticFloatField)(JNIEnv*, jclass, jfieldID);
358    jdouble     (*GetStaticDoubleField)(JNIEnv*, jclass, jfieldID);
359
360    void        (*SetStaticObjectField)(JNIEnv*, jclass, jfieldID, jobject);
361    void        (*SetStaticBooleanField)(JNIEnv*, jclass, jfieldID, jboolean);
362    void        (*SetStaticByteField)(JNIEnv*, jclass, jfieldID, jbyte);
363    void        (*SetStaticCharField)(JNIEnv*, jclass, jfieldID, jchar);
364    void        (*SetStaticShortField)(JNIEnv*, jclass, jfieldID, jshort);
365    void        (*SetStaticIntField)(JNIEnv*, jclass, jfieldID, jint);
366    void        (*SetStaticLongField)(JNIEnv*, jclass, jfieldID, jlong);
367    void        (*SetStaticFloatField)(JNIEnv*, jclass, jfieldID, jfloat);
368    void        (*SetStaticDoubleField)(JNIEnv*, jclass, jfieldID, jdouble);
369
370    jstring     (*NewString)(JNIEnv*, const jchar*, jsize);
371    jsize       (*GetStringLength)(JNIEnv*, jstring);
372    const jchar* (*GetStringChars)(JNIEnv*, jstring, jboolean*);
373    void        (*ReleaseStringChars)(JNIEnv*, jstring, const jchar*);
374    jstring     (*NewStringUTF)(JNIEnv*, const char*);
375    jsize       (*GetStringUTFLength)(JNIEnv*, jstring);
376    /* JNI spec says this returns const jbyte*, but that's inconsistent */
377    const char* (*GetStringUTFChars)(JNIEnv*, jstring, jboolean*);
378    void        (*ReleaseStringUTFChars)(JNIEnv*, jstring, const char*);
379    jsize       (*GetArrayLength)(JNIEnv*, jarray);
380    jobjectArray (*NewObjectArray)(JNIEnv*, jsize, jclass, jobject);
381    jobject     (*GetObjectArrayElement)(JNIEnv*, jobjectArray, jsize);
382    void        (*SetObjectArrayElement)(JNIEnv*, jobjectArray, jsize, jobject);
383
384    jbooleanArray (*NewBooleanArray)(JNIEnv*, jsize);
385    jbyteArray    (*NewByteArray)(JNIEnv*, jsize);
386    jcharArray    (*NewCharArray)(JNIEnv*, jsize);
387    jshortArray   (*NewShortArray)(JNIEnv*, jsize);
388    jintArray     (*NewIntArray)(JNIEnv*, jsize);
389    jlongArray    (*NewLongArray)(JNIEnv*, jsize);
390    jfloatArray   (*NewFloatArray)(JNIEnv*, jsize);
391    jdoubleArray  (*NewDoubleArray)(JNIEnv*, jsize);
392
393    jboolean*   (*GetBooleanArrayElements)(JNIEnv*, jbooleanArray, jboolean*);
394    jbyte*      (*GetByteArrayElements)(JNIEnv*, jbyteArray, jboolean*);
395    jchar*      (*GetCharArrayElements)(JNIEnv*, jcharArray, jboolean*);
396    jshort*     (*GetShortArrayElements)(JNIEnv*, jshortArray, jboolean*);
397    jint*       (*GetIntArrayElements)(JNIEnv*, jintArray, jboolean*);
398    jlong*      (*GetLongArrayElements)(JNIEnv*, jlongArray, jboolean*);
399    jfloat*     (*GetFloatArrayElements)(JNIEnv*, jfloatArray, jboolean*);
400    jdouble*    (*GetDoubleArrayElements)(JNIEnv*, jdoubleArray, jboolean*);
401
402    void        (*ReleaseBooleanArrayElements)(JNIEnv*, jbooleanArray,
403                        jboolean*, jint);
404    void        (*ReleaseByteArrayElements)(JNIEnv*, jbyteArray,
405                        jbyte*, jint);
406    void        (*ReleaseCharArrayElements)(JNIEnv*, jcharArray,
407                        jchar*, jint);
408    void        (*ReleaseShortArrayElements)(JNIEnv*, jshortArray,
409                        jshort*, jint);
410    void        (*ReleaseIntArrayElements)(JNIEnv*, jintArray,
411                        jint*, jint);
412    void        (*ReleaseLongArrayElements)(JNIEnv*, jlongArray,
413                        jlong*, jint);
414    void        (*ReleaseFloatArrayElements)(JNIEnv*, jfloatArray,
415                        jfloat*, jint);
416    void        (*ReleaseDoubleArrayElements)(JNIEnv*, jdoubleArray,
417                        jdouble*, jint);
418
419    void        (*GetBooleanArrayRegion)(JNIEnv*, jbooleanArray,
420                        jsize, jsize, jboolean*);
421    void        (*GetByteArrayRegion)(JNIEnv*, jbyteArray,
422                        jsize, jsize, jbyte*);
423    void        (*GetCharArrayRegion)(JNIEnv*, jcharArray,
424                        jsize, jsize, jchar*);
425    void        (*GetShortArrayRegion)(JNIEnv*, jshortArray,
426                        jsize, jsize, jshort*);
427    void        (*GetIntArrayRegion)(JNIEnv*, jintArray,
428                        jsize, jsize, jint*);
429    void        (*GetLongArrayRegion)(JNIEnv*, jlongArray,
430                        jsize, jsize, jlong*);
431    void        (*GetFloatArrayRegion)(JNIEnv*, jfloatArray,
432                        jsize, jsize, jfloat*);
433    void        (*GetDoubleArrayRegion)(JNIEnv*, jdoubleArray,
434                        jsize, jsize, jdouble*);
435
436    /* spec shows these without const; some jni.h do, some don't */
437    void        (*SetBooleanArrayRegion)(JNIEnv*, jbooleanArray,
438                        jsize, jsize, const jboolean*);
439    void        (*SetByteArrayRegion)(JNIEnv*, jbyteArray,
440                        jsize, jsize, const jbyte*);
441    void        (*SetCharArrayRegion)(JNIEnv*, jcharArray,
442                        jsize, jsize, const jchar*);
443    void        (*SetShortArrayRegion)(JNIEnv*, jshortArray,
444                        jsize, jsize, const jshort*);
445    void        (*SetIntArrayRegion)(JNIEnv*, jintArray,
446                        jsize, jsize, const jint*);
447    void        (*SetLongArrayRegion)(JNIEnv*, jlongArray,
448                        jsize, jsize, const jlong*);
449    void        (*SetFloatArrayRegion)(JNIEnv*, jfloatArray,
450                        jsize, jsize, const jfloat*);
451    void        (*SetDoubleArrayRegion)(JNIEnv*, jdoubleArray,
452                        jsize, jsize, const jdouble*);
453
454    jint        (*RegisterNatives)(JNIEnv*, jclass, const JNINativeMethod*,
455                        jint);
456    jint        (*UnregisterNatives)(JNIEnv*, jclass);
457    jint        (*MonitorEnter)(JNIEnv*, jobject);
458    jint        (*MonitorExit)(JNIEnv*, jobject);
459    jint        (*GetJavaVM)(JNIEnv*, JavaVM**);
460
461    void        (*GetStringRegion)(JNIEnv*, jstring, jsize, jsize, jchar*);
462    void        (*GetStringUTFRegion)(JNIEnv*, jstring, jsize, jsize, char*);
463
464    void*       (*GetPrimitiveArrayCritical)(JNIEnv*, jarray, jboolean*);
465    void        (*ReleasePrimitiveArrayCritical)(JNIEnv*, jarray, void*, jint);
466
467    const jchar* (*GetStringCritical)(JNIEnv*, jstring, jboolean*);
468    void        (*ReleaseStringCritical)(JNIEnv*, jstring, const jchar*);
469
470    jweak       (*NewWeakGlobalRef)(JNIEnv*, jobject);
471    void        (*DeleteWeakGlobalRef)(JNIEnv*, jweak);
472
473    jboolean    (*ExceptionCheck)(JNIEnv*);
474
475    jobject     (*NewDirectByteBuffer)(JNIEnv*, void*, jlong);
476    void*       (*GetDirectBufferAddress)(JNIEnv*, jobject);
477    jlong       (*GetDirectBufferCapacity)(JNIEnv*, jobject);
478
479    /* added in JNI 1.6 */
480    jobjectRefType (*GetObjectRefType)(JNIEnv*, jobject);
481};
482
483/*
484 * C++ object wrapper.
485 *
486 * This is usually overlaid on a C struct whose first element is a
487 * JNINativeInterface*.  We rely somewhat on compiler behavior.
488 */
489struct _JNIEnv {
490    /* do not rename this; it does not seem to be entirely opaque */
491    const struct JNINativeInterface* functions;
492
493#if defined(__cplusplus)
494
495    jint GetVersion()
496    { return functions->GetVersion(this); }
497
498    jclass DefineClass(const char *name, jobject loader, const jbyte* buf,
499        jsize bufLen)
500    { return functions->DefineClass(this, name, loader, buf, bufLen); }
501
502    jclass FindClass(const char* name)
503    { return functions->FindClass(this, name); }
504
505    jmethodID FromReflectedMethod(jobject method)
506    { return functions->FromReflectedMethod(this, method); }
507
508    jfieldID FromReflectedField(jobject field)
509    { return functions->FromReflectedField(this, field); }
510
511    jobject ToReflectedMethod(jclass cls, jmethodID methodID, jboolean isStatic)
512    { return functions->ToReflectedMethod(this, cls, methodID, isStatic); }
513
514    jclass GetSuperclass(jclass clazz)
515    { return functions->GetSuperclass(this, clazz); }
516
517    jboolean IsAssignableFrom(jclass clazz1, jclass clazz2)
518    { return functions->IsAssignableFrom(this, clazz1, clazz2); }
519
520    jobject ToReflectedField(jclass cls, jfieldID fieldID, jboolean isStatic)
521    { return functions->ToReflectedField(this, cls, fieldID, isStatic); }
522
523    jint Throw(jthrowable obj)
524    { return functions->Throw(this, obj); }
525
526    jint ThrowNew(jclass clazz, const char* message)
527    { return functions->ThrowNew(this, clazz, message); }
528
529    jthrowable ExceptionOccurred()
530    { return functions->ExceptionOccurred(this); }
531
532    void ExceptionDescribe()
533    { functions->ExceptionDescribe(this); }
534
535    void ExceptionClear()
536    { functions->ExceptionClear(this); }
537
538    void FatalError(const char* msg)
539    { functions->FatalError(this, msg); }
540
541    jint PushLocalFrame(jint capacity)
542    { return functions->PushLocalFrame(this, capacity); }
543
544    jobject PopLocalFrame(jobject result)
545    { return functions->PopLocalFrame(this, result); }
546
547    jobject NewGlobalRef(jobject obj)
548    { return functions->NewGlobalRef(this, obj); }
549
550    void DeleteGlobalRef(jobject globalRef)
551    { functions->DeleteGlobalRef(this, globalRef); }
552
553    void DeleteLocalRef(jobject localRef)
554    { functions->DeleteLocalRef(this, localRef); }
555
556    jboolean IsSameObject(jobject ref1, jobject ref2)
557    { return functions->IsSameObject(this, ref1, ref2); }
558
559    jobject NewLocalRef(jobject ref)
560    { return functions->NewLocalRef(this, ref); }
561
562    jint EnsureLocalCapacity(jint capacity)
563    { return functions->EnsureLocalCapacity(this, capacity); }
564
565    jobject AllocObject(jclass clazz)
566    { return functions->AllocObject(this, clazz); }
567
568    jobject NewObject(jclass clazz, jmethodID methodID, ...)
569    {
570        va_list args;
571        va_start(args, methodID);
572        jobject result = functions->NewObjectV(this, clazz, methodID, args);
573        va_end(args);
574        return result;
575    }
576
577    jobject NewObjectV(jclass clazz, jmethodID methodID, va_list args)
578    { return functions->NewObjectV(this, clazz, methodID, args); }
579
580    jobject NewObjectA(jclass clazz, jmethodID methodID, jvalue* args)
581    { return functions->NewObjectA(this, clazz, methodID, args); }
582
583    jclass GetObjectClass(jobject obj)
584    { return functions->GetObjectClass(this, obj); }
585
586    jboolean IsInstanceOf(jobject obj, jclass clazz)
587    { return functions->IsInstanceOf(this, obj, clazz); }
588
589    jmethodID GetMethodID(jclass clazz, const char* name, const char* sig)
590    { return functions->GetMethodID(this, clazz, name, sig); }
591
592#define CALL_TYPE_METHOD(_jtype, _jname)                                    \
593    _jtype Call##_jname##Method(jobject obj, jmethodID methodID, ...)       \
594    {                                                                       \
595        _jtype result;                                                      \
596        va_list args;                                                       \
597        va_start(args, methodID);                                           \
598        result = functions->Call##_jname##MethodV(this, obj, methodID,      \
599                    args);                                                  \
600        va_end(args);                                                       \
601        return result;                                                      \
602    }
603#define CALL_TYPE_METHODV(_jtype, _jname)                                   \
604    _jtype Call##_jname##MethodV(jobject obj, jmethodID methodID,           \
605        va_list args)                                                       \
606    { return functions->Call##_jname##MethodV(this, obj, methodID, args); }
607#define CALL_TYPE_METHODA(_jtype, _jname)                                   \
608    _jtype Call##_jname##MethodA(jobject obj, jmethodID methodID,           \
609        jvalue* args)                                                       \
610    { return functions->Call##_jname##MethodA(this, obj, methodID, args); }
611
612#define CALL_TYPE(_jtype, _jname)                                           \
613    CALL_TYPE_METHOD(_jtype, _jname)                                        \
614    CALL_TYPE_METHODV(_jtype, _jname)                                       \
615    CALL_TYPE_METHODA(_jtype, _jname)
616
617    CALL_TYPE(jobject, Object)
618    CALL_TYPE(jboolean, Boolean)
619    CALL_TYPE(jbyte, Byte)
620    CALL_TYPE(jchar, Char)
621    CALL_TYPE(jshort, Short)
622    CALL_TYPE(jint, Int)
623    CALL_TYPE(jlong, Long)
624    CALL_TYPE(jfloat, Float)
625    CALL_TYPE(jdouble, Double)
626
627    void CallVoidMethod(jobject obj, jmethodID methodID, ...)
628    {
629        va_list args;
630        va_start(args, methodID);
631        functions->CallVoidMethodV(this, obj, methodID, args);
632        va_end(args);
633    }
634    void CallVoidMethodV(jobject obj, jmethodID methodID, va_list args)
635    { functions->CallVoidMethodV(this, obj, methodID, args); }
636    void CallVoidMethodA(jobject obj, jmethodID methodID, jvalue* args)
637    { functions->CallVoidMethodA(this, obj, methodID, args); }
638
639#define CALL_NONVIRT_TYPE_METHOD(_jtype, _jname)                            \
640    _jtype CallNonvirtual##_jname##Method(jobject obj, jclass clazz,        \
641        jmethodID methodID, ...)                                            \
642    {                                                                       \
643        _jtype result;                                                      \
644        va_list args;                                                       \
645        va_start(args, methodID);                                           \
646        result = functions->CallNonvirtual##_jname##MethodV(this, obj,      \
647                    clazz, methodID, args);                                 \
648        va_end(args);                                                       \
649        return result;                                                      \
650    }
651#define CALL_NONVIRT_TYPE_METHODV(_jtype, _jname)                           \
652    _jtype CallNonvirtual##_jname##MethodV(jobject obj, jclass clazz,       \
653        jmethodID methodID, va_list args)                                   \
654    { return functions->CallNonvirtual##_jname##MethodV(this, obj, clazz,   \
655        methodID, args); }
656#define CALL_NONVIRT_TYPE_METHODA(_jtype, _jname)                           \
657    _jtype CallNonvirtual##_jname##MethodA(jobject obj, jclass clazz,       \
658        jmethodID methodID, jvalue* args)                                   \
659    { return functions->CallNonvirtual##_jname##MethodA(this, obj, clazz,   \
660        methodID, args); }
661
662#define CALL_NONVIRT_TYPE(_jtype, _jname)                                   \
663    CALL_NONVIRT_TYPE_METHOD(_jtype, _jname)                                \
664    CALL_NONVIRT_TYPE_METHODV(_jtype, _jname)                               \
665    CALL_NONVIRT_TYPE_METHODA(_jtype, _jname)
666
667    CALL_NONVIRT_TYPE(jobject, Object)
668    CALL_NONVIRT_TYPE(jboolean, Boolean)
669    CALL_NONVIRT_TYPE(jbyte, Byte)
670    CALL_NONVIRT_TYPE(jchar, Char)
671    CALL_NONVIRT_TYPE(jshort, Short)
672    CALL_NONVIRT_TYPE(jint, Int)
673    CALL_NONVIRT_TYPE(jlong, Long)
674    CALL_NONVIRT_TYPE(jfloat, Float)
675    CALL_NONVIRT_TYPE(jdouble, Double)
676
677    void CallNonvirtualVoidMethod(jobject obj, jclass clazz,
678        jmethodID methodID, ...)
679    {
680        va_list args;
681        va_start(args, methodID);
682        functions->CallNonvirtualVoidMethodV(this, obj, clazz, methodID, args);
683        va_end(args);
684    }
685    void CallNonvirtualVoidMethodV(jobject obj, jclass clazz,
686        jmethodID methodID, va_list args)
687    { functions->CallNonvirtualVoidMethodV(this, obj, clazz, methodID, args); }
688    void CallNonvirtualVoidMethodA(jobject obj, jclass clazz,
689        jmethodID methodID, jvalue* args)
690    { functions->CallNonvirtualVoidMethodA(this, obj, clazz, methodID, args); }
691
692    jfieldID GetFieldID(jclass clazz, const char* name, const char* sig)
693    { return functions->GetFieldID(this, clazz, name, sig); }
694
695    jobject GetObjectField(jobject obj, jfieldID fieldID)
696    { return functions->GetObjectField(this, obj, fieldID); }
697    jboolean GetBooleanField(jobject obj, jfieldID fieldID)
698    { return functions->GetBooleanField(this, obj, fieldID); }
699    jbyte GetByteField(jobject obj, jfieldID fieldID)
700    { return functions->GetByteField(this, obj, fieldID); }
701    jchar GetCharField(jobject obj, jfieldID fieldID)
702    { return functions->GetCharField(this, obj, fieldID); }
703    jshort GetShortField(jobject obj, jfieldID fieldID)
704    { return functions->GetShortField(this, obj, fieldID); }
705    jint GetIntField(jobject obj, jfieldID fieldID)
706    { return functions->GetIntField(this, obj, fieldID); }
707    jlong GetLongField(jobject obj, jfieldID fieldID)
708    { return functions->GetLongField(this, obj, fieldID); }
709    jfloat GetFloatField(jobject obj, jfieldID fieldID)
710    { return functions->GetFloatField(this, obj, fieldID); }
711    jdouble GetDoubleField(jobject obj, jfieldID fieldID)
712    { return functions->GetDoubleField(this, obj, fieldID); }
713
714    void SetObjectField(jobject obj, jfieldID fieldID, jobject value)
715    { functions->SetObjectField(this, obj, fieldID, value); }
716    void SetBooleanField(jobject obj, jfieldID fieldID, jboolean value)
717    { functions->SetBooleanField(this, obj, fieldID, value); }
718    void SetByteField(jobject obj, jfieldID fieldID, jbyte value)
719    { functions->SetByteField(this, obj, fieldID, value); }
720    void SetCharField(jobject obj, jfieldID fieldID, jchar value)
721    { functions->SetCharField(this, obj, fieldID, value); }
722    void SetShortField(jobject obj, jfieldID fieldID, jshort value)
723    { functions->SetShortField(this, obj, fieldID, value); }
724    void SetIntField(jobject obj, jfieldID fieldID, jint value)
725    { functions->SetIntField(this, obj, fieldID, value); }
726    void SetLongField(jobject obj, jfieldID fieldID, jlong value)
727    { functions->SetLongField(this, obj, fieldID, value); }
728    void SetFloatField(jobject obj, jfieldID fieldID, jfloat value)
729    { functions->SetFloatField(this, obj, fieldID, value); }
730    void SetDoubleField(jobject obj, jfieldID fieldID, jdouble value)
731    { functions->SetDoubleField(this, obj, fieldID, value); }
732
733    jmethodID GetStaticMethodID(jclass clazz, const char* name, const char* sig)
734    { return functions->GetStaticMethodID(this, clazz, name, sig); }
735
736#define CALL_STATIC_TYPE_METHOD(_jtype, _jname)                             \
737    _jtype CallStatic##_jname##Method(jclass clazz, jmethodID methodID,     \
738        ...)                                                                \
739    {                                                                       \
740        _jtype result;                                                      \
741        va_list args;                                                       \
742        va_start(args, methodID);                                           \
743        result = functions->CallStatic##_jname##MethodV(this, clazz,        \
744                    methodID, args);                                        \
745        va_end(args);                                                       \
746        return result;                                                      \
747    }
748#define CALL_STATIC_TYPE_METHODV(_jtype, _jname)                            \
749    _jtype CallStatic##_jname##MethodV(jclass clazz, jmethodID methodID,    \
750        va_list args)                                                       \
751    { return functions->CallStatic##_jname##MethodV(this, clazz, methodID,  \
752        args); }
753#define CALL_STATIC_TYPE_METHODA(_jtype, _jname)                            \
754    _jtype CallStatic##_jname##MethodA(jclass clazz, jmethodID methodID,    \
755        jvalue* args)                                                       \
756    { return functions->CallStatic##_jname##MethodA(this, clazz, methodID,  \
757        args); }
758
759#define CALL_STATIC_TYPE(_jtype, _jname)                                    \
760    CALL_STATIC_TYPE_METHOD(_jtype, _jname)                                 \
761    CALL_STATIC_TYPE_METHODV(_jtype, _jname)                                \
762    CALL_STATIC_TYPE_METHODA(_jtype, _jname)
763
764    CALL_STATIC_TYPE(jobject, Object)
765    CALL_STATIC_TYPE(jboolean, Boolean)
766    CALL_STATIC_TYPE(jbyte, Byte)
767    CALL_STATIC_TYPE(jchar, Char)
768    CALL_STATIC_TYPE(jshort, Short)
769    CALL_STATIC_TYPE(jint, Int)
770    CALL_STATIC_TYPE(jlong, Long)
771    CALL_STATIC_TYPE(jfloat, Float)
772    CALL_STATIC_TYPE(jdouble, Double)
773
774    void CallStaticVoidMethod(jclass clazz, jmethodID methodID, ...)
775    {
776        va_list args;
777        va_start(args, methodID);
778        functions->CallStaticVoidMethodV(this, clazz, methodID, args);
779        va_end(args);
780    }
781    void CallStaticVoidMethodV(jclass clazz, jmethodID methodID, va_list args)
782    { functions->CallStaticVoidMethodV(this, clazz, methodID, args); }
783    void CallStaticVoidMethodA(jclass clazz, jmethodID methodID, jvalue* args)
784    { functions->CallStaticVoidMethodA(this, clazz, methodID, args); }
785
786    jfieldID GetStaticFieldID(jclass clazz, const char* name, const char* sig)
787    { return functions->GetStaticFieldID(this, clazz, name, sig); }
788
789    jobject GetStaticObjectField(jclass clazz, jfieldID fieldID)
790    { return functions->GetStaticObjectField(this, clazz, fieldID); }
791    jboolean GetStaticBooleanField(jclass clazz, jfieldID fieldID)
792    { return functions->GetStaticBooleanField(this, clazz, fieldID); }
793    jbyte GetStaticByteField(jclass clazz, jfieldID fieldID)
794    { return functions->GetStaticByteField(this, clazz, fieldID); }
795    jchar GetStaticCharField(jclass clazz, jfieldID fieldID)
796    { return functions->GetStaticCharField(this, clazz, fieldID); }
797    jshort GetStaticShortField(jclass clazz, jfieldID fieldID)
798    { return functions->GetStaticShortField(this, clazz, fieldID); }
799    jint GetStaticIntField(jclass clazz, jfieldID fieldID)
800    { return functions->GetStaticIntField(this, clazz, fieldID); }
801    jlong GetStaticLongField(jclass clazz, jfieldID fieldID)
802    { return functions->GetStaticLongField(this, clazz, fieldID); }
803    jfloat GetStaticFloatField(jclass clazz, jfieldID fieldID)
804    { return functions->GetStaticFloatField(this, clazz, fieldID); }
805    jdouble GetStaticDoubleField(jclass clazz, jfieldID fieldID)
806    { return functions->GetStaticDoubleField(this, clazz, fieldID); }
807
808    void SetStaticObjectField(jclass clazz, jfieldID fieldID, jobject value)
809    { functions->SetStaticObjectField(this, clazz, fieldID, value); }
810    void SetStaticBooleanField(jclass clazz, jfieldID fieldID, jboolean value)
811    { functions->SetStaticBooleanField(this, clazz, fieldID, value); }
812    void SetStaticByteField(jclass clazz, jfieldID fieldID, jbyte value)
813    { functions->SetStaticByteField(this, clazz, fieldID, value); }
814    void SetStaticCharField(jclass clazz, jfieldID fieldID, jchar value)
815    { functions->SetStaticCharField(this, clazz, fieldID, value); }
816    void SetStaticShortField(jclass clazz, jfieldID fieldID, jshort value)
817    { functions->SetStaticShortField(this, clazz, fieldID, value); }
818    void SetStaticIntField(jclass clazz, jfieldID fieldID, jint value)
819    { functions->SetStaticIntField(this, clazz, fieldID, value); }
820    void SetStaticLongField(jclass clazz, jfieldID fieldID, jlong value)
821    { functions->SetStaticLongField(this, clazz, fieldID, value); }
822    void SetStaticFloatField(jclass clazz, jfieldID fieldID, jfloat value)
823    { functions->SetStaticFloatField(this, clazz, fieldID, value); }
824    void SetStaticDoubleField(jclass clazz, jfieldID fieldID, jdouble value)
825    { functions->SetStaticDoubleField(this, clazz, fieldID, value); }
826
827    jstring NewString(const jchar* unicodeChars, jsize len)
828    { return functions->NewString(this, unicodeChars, len); }
829
830    jsize GetStringLength(jstring string)
831    { return functions->GetStringLength(this, string); }
832
833    const jchar* GetStringChars(jstring string, jboolean* isCopy)
834    { return functions->GetStringChars(this, string, isCopy); }
835
836    void ReleaseStringChars(jstring string, const jchar* chars)
837    { functions->ReleaseStringChars(this, string, chars); }
838
839    jstring NewStringUTF(const char* bytes)
840    { return functions->NewStringUTF(this, bytes); }
841
842    jsize GetStringUTFLength(jstring string)
843    { return functions->GetStringUTFLength(this, string); }
844
845    const char* GetStringUTFChars(jstring string, jboolean* isCopy)
846    { return functions->GetStringUTFChars(this, string, isCopy); }
847
848    void ReleaseStringUTFChars(jstring string, const char* utf)
849    { functions->ReleaseStringUTFChars(this, string, utf); }
850
851    jsize GetArrayLength(jarray array)
852    { return functions->GetArrayLength(this, array); }
853
854    jobjectArray NewObjectArray(jsize length, jclass elementClass,
855        jobject initialElement)
856    { return functions->NewObjectArray(this, length, elementClass,
857        initialElement); }
858
859    jobject GetObjectArrayElement(jobjectArray array, jsize index)
860    { return functions->GetObjectArrayElement(this, array, index); }
861
862    void SetObjectArrayElement(jobjectArray array, jsize index, jobject value)
863    { functions->SetObjectArrayElement(this, array, index, value); }
864
865    jbooleanArray NewBooleanArray(jsize length)
866    { return functions->NewBooleanArray(this, length); }
867    jbyteArray NewByteArray(jsize length)
868    { return functions->NewByteArray(this, length); }
869    jcharArray NewCharArray(jsize length)
870    { return functions->NewCharArray(this, length); }
871    jshortArray NewShortArray(jsize length)
872    { return functions->NewShortArray(this, length); }
873    jintArray NewIntArray(jsize length)
874    { return functions->NewIntArray(this, length); }
875    jlongArray NewLongArray(jsize length)
876    { return functions->NewLongArray(this, length); }
877    jfloatArray NewFloatArray(jsize length)
878    { return functions->NewFloatArray(this, length); }
879    jdoubleArray NewDoubleArray(jsize length)
880    { return functions->NewDoubleArray(this, length); }
881
882    jboolean* GetBooleanArrayElements(jbooleanArray array, jboolean* isCopy)
883    { return functions->GetBooleanArrayElements(this, array, isCopy); }
884    jbyte* GetByteArrayElements(jbyteArray array, jboolean* isCopy)
885    { return functions->GetByteArrayElements(this, array, isCopy); }
886    jchar* GetCharArrayElements(jcharArray array, jboolean* isCopy)
887    { return functions->GetCharArrayElements(this, array, isCopy); }
888    jshort* GetShortArrayElements(jshortArray array, jboolean* isCopy)
889    { return functions->GetShortArrayElements(this, array, isCopy); }
890    jint* GetIntArrayElements(jintArray array, jboolean* isCopy)
891    { return functions->GetIntArrayElements(this, array, isCopy); }
892    jlong* GetLongArrayElements(jlongArray array, jboolean* isCopy)
893    { return functions->GetLongArrayElements(this, array, isCopy); }
894    jfloat* GetFloatArrayElements(jfloatArray array, jboolean* isCopy)
895    { return functions->GetFloatArrayElements(this, array, isCopy); }
896    jdouble* GetDoubleArrayElements(jdoubleArray array, jboolean* isCopy)
897    { return functions->GetDoubleArrayElements(this, array, isCopy); }
898
899    void ReleaseBooleanArrayElements(jbooleanArray array, jboolean* elems,
900        jint mode)
901    { functions->ReleaseBooleanArrayElements(this, array, elems, mode); }
902    void ReleaseByteArrayElements(jbyteArray array, jbyte* elems,
903        jint mode)
904    { functions->ReleaseByteArrayElements(this, array, elems, mode); }
905    void ReleaseCharArrayElements(jcharArray array, jchar* elems,
906        jint mode)
907    { functions->ReleaseCharArrayElements(this, array, elems, mode); }
908    void ReleaseShortArrayElements(jshortArray array, jshort* elems,
909        jint mode)
910    { functions->ReleaseShortArrayElements(this, array, elems, mode); }
911    void ReleaseIntArrayElements(jintArray array, jint* elems,
912        jint mode)
913    { functions->ReleaseIntArrayElements(this, array, elems, mode); }
914    void ReleaseLongArrayElements(jlongArray array, jlong* elems,
915        jint mode)
916    { functions->ReleaseLongArrayElements(this, array, elems, mode); }
917    void ReleaseFloatArrayElements(jfloatArray array, jfloat* elems,
918        jint mode)
919    { functions->ReleaseFloatArrayElements(this, array, elems, mode); }
920    void ReleaseDoubleArrayElements(jdoubleArray array, jdouble* elems,
921        jint mode)
922    { functions->ReleaseDoubleArrayElements(this, array, elems, mode); }
923
924    void GetBooleanArrayRegion(jbooleanArray array, jsize start, jsize len,
925        jboolean* buf)
926    { functions->GetBooleanArrayRegion(this, array, start, len, buf); }
927    void GetByteArrayRegion(jbyteArray array, jsize start, jsize len,
928        jbyte* buf)
929    { functions->GetByteArrayRegion(this, array, start, len, buf); }
930    void GetCharArrayRegion(jcharArray array, jsize start, jsize len,
931        jchar* buf)
932    { functions->GetCharArrayRegion(this, array, start, len, buf); }
933    void GetShortArrayRegion(jshortArray array, jsize start, jsize len,
934        jshort* buf)
935    { functions->GetShortArrayRegion(this, array, start, len, buf); }
936    void GetIntArrayRegion(jintArray array, jsize start, jsize len,
937        jint* buf)
938    { functions->GetIntArrayRegion(this, array, start, len, buf); }
939    void GetLongArrayRegion(jlongArray array, jsize start, jsize len,
940        jlong* buf)
941    { functions->GetLongArrayRegion(this, array, start, len, buf); }
942    void GetFloatArrayRegion(jfloatArray array, jsize start, jsize len,
943        jfloat* buf)
944    { functions->GetFloatArrayRegion(this, array, start, len, buf); }
945    void GetDoubleArrayRegion(jdoubleArray array, jsize start, jsize len,
946        jdouble* buf)
947    { functions->GetDoubleArrayRegion(this, array, start, len, buf); }
948
949    void SetBooleanArrayRegion(jbooleanArray array, jsize start, jsize len,
950        const jboolean* buf)
951    { functions->SetBooleanArrayRegion(this, array, start, len, buf); }
952    void SetByteArrayRegion(jbyteArray array, jsize start, jsize len,
953        const jbyte* buf)
954    { functions->SetByteArrayRegion(this, array, start, len, buf); }
955    void SetCharArrayRegion(jcharArray array, jsize start, jsize len,
956        const jchar* buf)
957    { functions->SetCharArrayRegion(this, array, start, len, buf); }
958    void SetShortArrayRegion(jshortArray array, jsize start, jsize len,
959        const jshort* buf)
960    { functions->SetShortArrayRegion(this, array, start, len, buf); }
961    void SetIntArrayRegion(jintArray array, jsize start, jsize len,
962        const jint* buf)
963    { functions->SetIntArrayRegion(this, array, start, len, buf); }
964    void SetLongArrayRegion(jlongArray array, jsize start, jsize len,
965        const jlong* buf)
966    { functions->SetLongArrayRegion(this, array, start, len, buf); }
967    void SetFloatArrayRegion(jfloatArray array, jsize start, jsize len,
968        const jfloat* buf)
969    { functions->SetFloatArrayRegion(this, array, start, len, buf); }
970    void SetDoubleArrayRegion(jdoubleArray array, jsize start, jsize len,
971        const jdouble* buf)
972    { functions->SetDoubleArrayRegion(this, array, start, len, buf); }
973
974    jint RegisterNatives(jclass clazz, const JNINativeMethod* methods,
975        jint nMethods)
976    { return functions->RegisterNatives(this, clazz, methods, nMethods); }
977
978    jint UnregisterNatives(jclass clazz)
979    { return functions->UnregisterNatives(this, clazz); }
980
981    jint MonitorEnter(jobject obj)
982    { return functions->MonitorEnter(this, obj); }
983
984    jint MonitorExit(jobject obj)
985    { return functions->MonitorExit(this, obj); }
986
987    jint GetJavaVM(JavaVM** vm)
988    { return functions->GetJavaVM(this, vm); }
989
990    void GetStringRegion(jstring str, jsize start, jsize len, jchar* buf)
991    { functions->GetStringRegion(this, str, start, len, buf); }
992
993    void GetStringUTFRegion(jstring str, jsize start, jsize len, char* buf)
994    { return functions->GetStringUTFRegion(this, str, start, len, buf); }
995
996    void* GetPrimitiveArrayCritical(jarray array, jboolean* isCopy)
997    { return functions->GetPrimitiveArrayCritical(this, array, isCopy); }
998
999    void ReleasePrimitiveArrayCritical(jarray array, void* carray, jint mode)
1000    { functions->ReleasePrimitiveArrayCritical(this, array, carray, mode); }
1001
1002    const jchar* GetStringCritical(jstring string, jboolean* isCopy)
1003    { return functions->GetStringCritical(this, string, isCopy); }
1004
1005    void ReleaseStringCritical(jstring string, const jchar* carray)
1006    { functions->ReleaseStringCritical(this, string, carray); }
1007
1008    jweak NewWeakGlobalRef(jobject obj)
1009    { return functions->NewWeakGlobalRef(this, obj); }
1010
1011    void DeleteWeakGlobalRef(jweak obj)
1012    { functions->DeleteWeakGlobalRef(this, obj); }
1013
1014    jboolean ExceptionCheck()
1015    { return functions->ExceptionCheck(this); }
1016
1017    jobject NewDirectByteBuffer(void* address, jlong capacity)
1018    { return functions->NewDirectByteBuffer(this, address, capacity); }
1019
1020    void* GetDirectBufferAddress(jobject buf)
1021    { return functions->GetDirectBufferAddress(this, buf); }
1022
1023    jlong GetDirectBufferCapacity(jobject buf)
1024    { return functions->GetDirectBufferCapacity(this, buf); }
1025
1026    /* added in JNI 1.6 */
1027    jobjectRefType GetObjectRefType(jobject obj)
1028    { return functions->GetObjectRefType(this, obj); }
1029#endif /*__cplusplus*/
1030};
1031
1032
1033/*
1034 * JNI invocation interface.
1035 */
1036struct JNIInvokeInterface {
1037    void*       reserved0;
1038    void*       reserved1;
1039    void*       reserved2;
1040
1041    jint        (*DestroyJavaVM)(JavaVM*);
1042    jint        (*AttachCurrentThread)(JavaVM*, JNIEnv**, void*);
1043    jint        (*DetachCurrentThread)(JavaVM*);
1044    jint        (*GetEnv)(JavaVM*, void**, jint);
1045    jint        (*AttachCurrentThreadAsDaemon)(JavaVM*, JNIEnv**, void*);
1046};
1047
1048/*
1049 * C++ version.
1050 */
1051struct _JavaVM {
1052    const struct JNIInvokeInterface* functions;
1053
1054#if defined(__cplusplus)
1055    jint DestroyJavaVM()
1056    { return functions->DestroyJavaVM(this); }
1057    jint AttachCurrentThread(JNIEnv** p_env, void* thr_args)
1058    { return functions->AttachCurrentThread(this, p_env, thr_args); }
1059    jint DetachCurrentThread()
1060    { return functions->DetachCurrentThread(this); }
1061    jint GetEnv(void** env, jint version)
1062    { return functions->GetEnv(this, env, version); }
1063    jint AttachCurrentThreadAsDaemon(JNIEnv** p_env, void* thr_args)
1064    { return functions->AttachCurrentThreadAsDaemon(this, p_env, thr_args); }
1065#endif /*__cplusplus*/
1066};
1067
1068struct JavaVMAttachArgs {
1069    jint        version;    /* must be >= JNI_VERSION_1_2 */
1070    const char* name;       /* NULL or name of thread as modified UTF-8 str */
1071    jobject     group;      /* global ref of a ThreadGroup object, or NULL */
1072};
1073typedef struct JavaVMAttachArgs JavaVMAttachArgs;
1074
1075/*
1076 * JNI 1.2+ initialization.  (As of 1.6, the pre-1.2 structures are no
1077 * longer supported.)
1078 */
1079typedef struct JavaVMOption {
1080    const char* optionString;
1081    void*       extraInfo;
1082} JavaVMOption;
1083
1084typedef struct JavaVMInitArgs {
1085    jint        version;    /* use JNI_VERSION_1_2 or later */
1086
1087    jint        nOptions;
1088    JavaVMOption* options;
1089    jboolean    ignoreUnrecognized;
1090} JavaVMInitArgs;
1091
1092#ifdef __cplusplus
1093extern "C" {
1094#endif
1095/*
1096 * VM initialization functions.
1097 *
1098 * Note these are the only symbols exported for JNI by the VM.
1099 */
1100jint JNI_GetDefaultJavaVMInitArgs(void*);
1101jint JNI_CreateJavaVM(JavaVM**, JNIEnv**, void*);
1102jint JNI_GetCreatedJavaVMs(JavaVM**, jsize, jsize*);
1103
1104/*
1105 * Prototypes for functions exported by loadable shared libs.  These are
1106 * called by JNI, not provided by JNI.
1107 */
1108jint JNI_OnLoad(JavaVM* vm, void* reserved);
1109void JNI_OnUnload(JavaVM* vm, void* reserved);
1110
1111#ifdef __cplusplus
1112}
1113#endif
1114
1115
1116/*
1117 * Manifest constants.
1118 */
1119#define JNI_FALSE   0
1120#define JNI_TRUE    1
1121
1122#define JNI_VERSION_1_1 0x00010001
1123#define JNI_VERSION_1_2 0x00010002
1124#define JNI_VERSION_1_4 0x00010004
1125#define JNI_VERSION_1_6 0x00010006
1126
1127#define JNI_OK          (0)         /* no error */
1128#define JNI_ERR         (-1)        /* generic error */
1129#define JNI_EDETACHED   (-2)        /* thread detached from the VM */
1130#define JNI_EVERSION    (-3)        /* JNI version error */
1131
1132#define JNI_COMMIT      1           /* copy content, do not free buffer */
1133#define JNI_ABORT       2           /* free buffer w/o copying back */
1134
1135/* need these for Windows-aware headers */
1136#define JNIIMPORT
1137#define JNIEXPORT
1138#define JNICALL
1139
1140#endif /*_JNI_H*/
1141