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
131
132
|
/* !---- DO NOT EDIT: This file autogenerated by com\sun\gluegen\JavaEmitter.java on Mon Jul 31 16:26:59 PDT 2006 ----! */
#include <dlfcn.h>
#include <jni.h>
#include <cassert>
#include <cinttypes>
#include "jau_sys_dl_UnixDynamicLinkerImpl.h"
#ifndef RTLD_DEFAULT
#define RTLD_DEFAULT ((void *) 0)
#endif
// #define DEBUG_DLOPEN 1
#ifdef DEBUG_DLOPEN
typedef void *(*DLOPEN_FPTR_TYPE)(const char *filename, int flag);
#define VERBOSE_ON 1
#endif
// #define VERBOSE_ON 1
#ifdef VERBOSE_ON
#ifdef ANDROID
#include <android/log.h>
#define DBG_PRINT(...) __android_log_print(ANDROID_LOG_DEBUG, "JogAmp", __VA_ARGS__)
#else
#define DBG_PRINT(...) fprintf(stderr, __VA_ARGS__); fflush(stderr)
#endif
#else
#define DBG_PRINT(...)
#endif
/*
* Class: jau_sys_dl_UnixDynamicLinkerImpl
* Method: dlclose
* Signature: (J)I
*/
JNIEXPORT jint JNICALL
Java_jau_sys_dl_UnixDynamicLinkerImpl_dlclose(JNIEnv *env, jclass _unused, jlong arg0) {
(void)env;
(void)_unused;
return dlclose((void *)(intptr_t)arg0); // NOLINT(performance-no-int-to-ptr)
}
/*
* Class: jau_sys_dl_UnixDynamicLinkerImpl
* Method: dlerror
* Signature: ()Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL
Java_jau_sys_dl_UnixDynamicLinkerImpl_dlerror(JNIEnv *env, jclass _unused) {
(void)_unused;
char *_res = dlerror();
if (_res == nullptr) {
return nullptr;
}
return env->NewStringUTF(_res);
}
/*
* Class: jau_sys_dl_UnixDynamicLinkerImpl
* Method: dlopen
* Signature: (Ljava/lang/String;I)J
*/
JNIEXPORT jlong JNICALL
Java_jau_sys_dl_UnixDynamicLinkerImpl_dlopen(JNIEnv *env, jclass _unused, jstring arg0, jint arg1) {
(void)_unused;
const char *_UTF8arg0 = nullptr;
void *_res;
#ifdef DEBUG_DLOPEN
DLOPEN_FPTR_TYPE dlopenFunc = nullptr;
DBG_PRINT("XXX dlopen.0\n");
#endif
if (arg0 != nullptr) {
_UTF8arg0 = env->GetStringUTFChars(arg0, (jboolean *)nullptr);
if (_UTF8arg0 == nullptr) {
env->ThrowNew(env->FindClass("java/lang/OutOfMemoryError"),
R"(Failed to get UTF-8 chars for argument "arg0" in native dispatcher for "dlopen")");
return 0;
}
}
#ifdef DEBUG_DLOPEN
dlopenFunc = (DLOPEN_FPTR_TYPE)dlsym(RTLD_DEFAULT, "dlopen");
DBG_PRINT("XXX dlopen.1: lib %s, dlopen-fptr %p %p (%d)\n", _UTF8arg0, dlopen, dlopenFunc, dlopen == dlopenFunc);
_res = dlopen((char *)_UTF8arg0, (int)arg1);
DBG_PRINT("XXX dlopen.2: %p\n", _res);
#else
_res = dlopen((char *)_UTF8arg0, (int)arg1);
#endif
if (arg0 != nullptr) {
env->ReleaseStringUTFChars(arg0, _UTF8arg0);
}
#ifdef DEBUG_DLOPEN
DBG_PRINT("XXX dlopen.X\n");
#endif
return (jlong)(intptr_t)_res;
}
/*
* Class: jau_sys_dl_UnixDynamicLinkerImpl
* Method: dlsym
* Signature: (JLjava/lang/String;)J
*/
JNIEXPORT jlong JNICALL
Java_jau_sys_dl_UnixDynamicLinkerImpl_dlsym(JNIEnv *env, jclass _unused, jlong arg0, jstring arg1) {
(void)_unused;
if (arg1 != nullptr) {
const char * _UTF8arg1 = env->GetStringUTFChars(arg1, (jboolean *)nullptr);
if (_UTF8arg1 != nullptr) {
const void *_res = dlsym((void *)(intptr_t)arg0, (char *)_UTF8arg1); // NOLINT(performance-no-int-to-ptr)
DBG_PRINT("XXX dlsym: handle %p, symbol %s -> %p\n", (void *)(intptr_t)arg0, _UTF8arg1, _res);
env->ReleaseStringUTFChars(arg1, _UTF8arg1);
return (jlong)(intptr_t)_res;
} else {
env->ThrowNew(env->FindClass("java/lang/OutOfMemoryError"),
R"(Failed to get UTF-8 chars for argument "arg1" in native dispatcher for "dlsym")");
return 0;
}
} else {
env->ThrowNew(env->FindClass("java/lang/IllegalArgumentException"),
R"(Argument "arg1" is null in native dispatcher for "dlsym")");
return 0;
}
}
|