Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | |
| 3 | #ifndef ART_SRC_JNI_INTERNAL_H_ |
| 4 | #define ART_SRC_JNI_INTERNAL_H_ |
| 5 | |
| 6 | #include "jni.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 7 | |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 8 | #include "indirect_reference_table.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 9 | #include "macros.h" |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 10 | #include "reference_table.h" |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 11 | |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 12 | #include <string> |
| 13 | |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 14 | namespace art { |
| 15 | |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 16 | class ClassLoader; |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 17 | class Libraries; |
| 18 | class Method; |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 19 | class Mutex; |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 20 | class Runtime; |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 21 | class Thread; |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 22 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 23 | void JniAbort(const char* jni_function_name); |
| 24 | |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame^] | 25 | template<typename T> T Decode(JNIEnv*, jobject); |
| 26 | template<typename T> T AddLocalReference(JNIEnv*, Object*); |
| 27 | |
Elliott Hughes | 69f5bc6 | 2011-08-24 09:26:14 -0700 | [diff] [blame] | 28 | struct JavaVMExt : public JavaVM { |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 29 | JavaVMExt(Runtime* runtime, bool check_jni, bool verbose_jni); |
Elliott Hughes | de69d7f | 2011-08-18 16:49:37 -0700 | [diff] [blame] | 30 | ~JavaVMExt(); |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 31 | |
Elliott Hughes | 7577075 | 2011-08-24 17:52:38 -0700 | [diff] [blame] | 32 | /** |
| 33 | * Loads the given shared library. 'path' is an absolute pathname. |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 34 | * |
Elliott Hughes | 7577075 | 2011-08-24 17:52:38 -0700 | [diff] [blame] | 35 | * Returns 'true' on success. On failure, sets 'detail' to a |
| 36 | * human-readable description of the error. |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 37 | */ |
Elliott Hughes | 7577075 | 2011-08-24 17:52:38 -0700 | [diff] [blame] | 38 | bool LoadNativeLibrary(const std::string& path, ClassLoader* class_loader, std::string& detail); |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 39 | |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 40 | /** |
| 41 | * Returns a pointer to the code for the native method 'm', found |
| 42 | * using dlsym(3) on every native library that's been loaded so far. |
| 43 | */ |
| 44 | void* FindCodeForNativeMethod(Method* m); |
| 45 | |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 46 | Runtime* runtime; |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 47 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 48 | // Used for testing. By default, we'll LOG(FATAL) the reason. |
| 49 | void (*check_jni_abort_hook)(const std::string& reason); |
| 50 | |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 51 | bool check_jni; |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 52 | bool verbose_jni; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 53 | bool force_copy; |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 54 | |
Elliott Hughes | c5bfa8f | 2011-08-30 14:32:49 -0700 | [diff] [blame] | 55 | // Used to provide compatibility for apps that assumed direct references. |
| 56 | bool work_around_app_jni_bugs; |
| 57 | |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 58 | // Used to hold references to pinned primitive arrays. |
Elliott Hughes | 7577075 | 2011-08-24 17:52:38 -0700 | [diff] [blame] | 59 | Mutex* pins_lock; |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 60 | ReferenceTable pin_table; |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 61 | |
| 62 | // JNI global references. |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 63 | Mutex* globals_lock; |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 64 | IndirectReferenceTable globals; |
| 65 | |
| 66 | // JNI weak global references. |
Elliott Hughes | 18c0753 | 2011-08-18 15:50:51 -0700 | [diff] [blame] | 67 | Mutex* weak_globals_lock; |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 68 | IndirectReferenceTable weak_globals; |
Elliott Hughes | 0af5543 | 2011-08-17 18:37:28 -0700 | [diff] [blame] | 69 | |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 70 | Mutex* libraries_lock; |
| 71 | Libraries* libraries; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 72 | |
| 73 | // Used by -Xcheck:jni. |
| 74 | const JNIInvokeInterface* unchecked_functions; |
Elliott Hughes | f2682d5 | 2011-08-15 16:37:04 -0700 | [diff] [blame] | 75 | }; |
| 76 | |
Elliott Hughes | 69f5bc6 | 2011-08-24 09:26:14 -0700 | [diff] [blame] | 77 | struct JNIEnvExt : public JNIEnv { |
Elliott Hughes | 7577075 | 2011-08-24 17:52:38 -0700 | [diff] [blame] | 78 | JNIEnvExt(Thread* self, JavaVMExt* vm); |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 79 | ~JNIEnvExt(); |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 80 | |
Elliott Hughes | 40ef99e | 2011-08-11 17:44:34 -0700 | [diff] [blame] | 81 | Thread* self; |
Elliott Hughes | 7577075 | 2011-08-24 17:52:38 -0700 | [diff] [blame] | 82 | JavaVMExt* vm; |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 83 | |
Elliott Hughes | c5bfa8f | 2011-08-30 14:32:49 -0700 | [diff] [blame] | 84 | // Frequently-accessed fields cached from JavaVM. |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 85 | bool check_jni; |
Elliott Hughes | c5bfa8f | 2011-08-30 14:32:49 -0700 | [diff] [blame] | 86 | bool work_around_app_jni_bugs; |
Elliott Hughes | 515a5bc | 2011-08-17 11:08:34 -0700 | [diff] [blame] | 87 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 88 | // How many nested "critical" JNI calls are we in? |
| 89 | int critical; |
Carl Shapiro | 2ed144c | 2011-07-26 16:52:08 -0700 | [diff] [blame] | 90 | |
Elliott Hughes | bbd7671 | 2011-08-17 10:25:24 -0700 | [diff] [blame] | 91 | // Entered JNI monitors, for bulk exit on thread detach. |
Elliott Hughes | 6c1a394 | 2011-08-17 15:00:06 -0700 | [diff] [blame] | 92 | ReferenceTable monitors; |
| 93 | |
| 94 | // JNI local references. |
| 95 | IndirectReferenceTable locals; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 96 | |
| 97 | // Used by -Xcheck:jni. |
| 98 | const JNINativeInterface* unchecked_functions; |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 99 | }; |
| 100 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 101 | const JNINativeInterface* GetCheckJniNativeInterface(); |
| 102 | const JNIInvokeInterface* GetCheckJniInvokeInterface(); |
| 103 | |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 104 | } // namespace art |
Carl Shapiro | ea4dca8 | 2011-08-01 13:45:38 -0700 | [diff] [blame] | 105 | |
Elliott Hughes | b465ab0 | 2011-08-24 11:21:21 -0700 | [diff] [blame] | 106 | std::ostream& operator<<(std::ostream& os, const jobjectRefType& rhs); |
| 107 | |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 108 | #endif // ART_SRC_JNI_INTERNAL_H_ |