duke@435: /* never@2658: * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. duke@435: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@435: * duke@435: * This code is free software; you can redistribute it and/or modify it duke@435: * under the terms of the GNU General Public License version 2 only, as duke@435: * published by the Free Software Foundation. duke@435: * duke@435: * This code is distributed in the hope that it will be useful, but WITHOUT duke@435: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@435: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@435: * version 2 for more details (a copy is included in the LICENSE file that duke@435: * accompanied this code). duke@435: * duke@435: * You should have received a copy of the GNU General Public License version duke@435: * 2 along with this work; if not, write to the Free Software Foundation, duke@435: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@435: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. duke@435: * duke@435: */ duke@435: stefank@2314: #include "precompiled.hpp" stefank@2314: #include "classfile/classLoader.hpp" stefank@2314: #include "classfile/javaClasses.hpp" stefank@2314: #include "classfile/symbolTable.hpp" stefank@2314: #include "classfile/systemDictionary.hpp" stefank@2314: #include "classfile/vmSymbols.hpp" stefank@2314: #include "interpreter/linkResolver.hpp" johnc@2781: #ifndef SERIALGC johnc@2781: #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" johnc@2781: #endif // SERIALGC stefank@2314: #include "memory/allocation.inline.hpp" stefank@2314: #include "memory/gcLocker.inline.hpp" stefank@2314: #include "memory/oopFactory.hpp" stefank@2314: #include "memory/universe.inline.hpp" stefank@2314: #include "oops/instanceKlass.hpp" stefank@2314: #include "oops/instanceOop.hpp" stefank@2314: #include "oops/markOop.hpp" stefank@2314: #include "oops/methodOop.hpp" stefank@2314: #include "oops/objArrayKlass.hpp" stefank@2314: #include "oops/objArrayOop.hpp" stefank@2314: #include "oops/oop.inline.hpp" coleenp@2497: #include "oops/symbol.hpp" stefank@2314: #include "oops/typeArrayKlass.hpp" stefank@2314: #include "oops/typeArrayOop.hpp" stefank@2314: #include "prims/jni.h" stefank@2314: #include "prims/jniCheck.hpp" phh@3427: #include "prims/jniExport.hpp" stefank@2314: #include "prims/jniFastGetField.hpp" stefank@2314: #include "prims/jvm.h" stefank@2314: #include "prims/jvm_misc.hpp" stefank@2314: #include "prims/jvmtiExport.hpp" stefank@2314: #include "prims/jvmtiThreadState.hpp" stefank@2314: #include "runtime/compilationPolicy.hpp" stefank@2314: #include "runtime/fieldDescriptor.hpp" stefank@2314: #include "runtime/fprofiler.hpp" stefank@2314: #include "runtime/handles.inline.hpp" stefank@2314: #include "runtime/interfaceSupport.hpp" stefank@2314: #include "runtime/java.hpp" stefank@2314: #include "runtime/javaCalls.hpp" stefank@2314: #include "runtime/jfieldIDWorkaround.hpp" stefank@2314: #include "runtime/reflection.hpp" stefank@2314: #include "runtime/sharedRuntime.hpp" stefank@2314: #include "runtime/signature.hpp" stefank@2314: #include "runtime/vm_operations.hpp" stefank@2314: #include "services/runtimeService.hpp" phh@3427: #include "trace/tracing.hpp" phh@3427: #include "trace/traceEventTypes.hpp" stefank@2314: #include "utilities/defaultStream.hpp" stefank@2314: #include "utilities/dtrace.hpp" stefank@2314: #include "utilities/events.hpp" stefank@2314: #include "utilities/histogram.hpp" stefank@2314: #ifdef TARGET_OS_FAMILY_linux stefank@2314: # include "os_linux.inline.hpp" stefank@2314: # include "thread_linux.inline.hpp" stefank@2314: #endif stefank@2314: #ifdef TARGET_OS_FAMILY_solaris stefank@2314: # include "os_solaris.inline.hpp" stefank@2314: # include "thread_solaris.inline.hpp" stefank@2314: #endif stefank@2314: #ifdef TARGET_OS_FAMILY_windows stefank@2314: # include "os_windows.inline.hpp" stefank@2314: # include "thread_windows.inline.hpp" stefank@2314: #endif never@3156: #ifdef TARGET_OS_FAMILY_bsd never@3156: # include "os_bsd.inline.hpp" never@3156: # include "thread_bsd.inline.hpp" never@3156: #endif duke@435: duke@435: static jint CurrentVersion = JNI_VERSION_1_6; duke@435: duke@435: duke@435: // The DT_RETURN_MARK macros create a scoped object to fire the dtrace duke@435: // '-return' probe regardless of the return path is taken out of the function. duke@435: // Methods that have multiple return paths use this to avoid having to duke@435: // instrument each return path. Methods that use CHECK or THROW must use this duke@435: // since those macros can cause an immedate uninstrumented return. duke@435: // duke@435: // In order to get the return value, a reference to the variable containing duke@435: // the return value must be passed to the contructor of the object, and duke@435: // the return value must be set before return (since the mark object has duke@435: // a reference to it). duke@435: // duke@435: // Example: duke@435: // DT_RETURN_MARK_DECL(SomeFunc, int); duke@435: // JNI_ENTRY(int, SomeFunc, ...) duke@435: // int return_value = 0; duke@435: // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); duke@435: // foo(CHECK_0) duke@435: // return_value = 5; duke@435: // return return_value; duke@435: // JNI_END dcubed@3202: #ifndef USDT2 duke@435: #define DT_RETURN_MARK_DECL(name, type) \ duke@435: HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ duke@435: DTRACE_ONLY( \ duke@435: class DTraceReturnProbeMark_##name { \ duke@435: public: \ duke@435: const type& _ret_ref; \ duke@435: DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ duke@435: ~DTraceReturnProbeMark_##name() { \ duke@435: HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ duke@435: } \ duke@435: } \ duke@435: ) duke@435: // Void functions are simpler since there's no return value duke@435: #define DT_VOID_RETURN_MARK_DECL(name) \ duke@435: HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ duke@435: DTRACE_ONLY( \ duke@435: class DTraceReturnProbeMark_##name { \ duke@435: public: \ duke@435: ~DTraceReturnProbeMark_##name() { \ duke@435: HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ duke@435: } \ duke@435: } \ duke@435: ) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DT_RETURN_MARK_DECL(name, type, probe) \ dcubed@3202: DTRACE_ONLY( \ dcubed@3202: class DTraceReturnProbeMark_##name { \ dcubed@3202: public: \ dcubed@3202: const type& _ret_ref; \ dcubed@3202: DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ dcubed@3202: ~DTraceReturnProbeMark_##name() { \ dcubed@3202: probe; \ dcubed@3202: } \ dcubed@3202: } \ dcubed@3202: ) dcubed@3202: // Void functions are simpler since there's no return value dcubed@3202: #define DT_VOID_RETURN_MARK_DECL(name, probe) \ dcubed@3202: DTRACE_ONLY( \ dcubed@3202: class DTraceReturnProbeMark_##name { \ dcubed@3202: public: \ dcubed@3202: ~DTraceReturnProbeMark_##name() { \ dcubed@3202: probe; \ dcubed@3202: } \ dcubed@3202: } \ dcubed@3202: ) dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: // Place these macros in the function to mark the return. Non-void duke@435: // functions need the type and address of the return value. duke@435: #define DT_RETURN_MARK(name, type, ref) \ duke@435: DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) duke@435: #define DT_VOID_RETURN_MARK(name) \ duke@435: DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) duke@435: duke@435: duke@435: // Use these to select distinct code for floating-point vs. non-floating point duke@435: // situations. Used from within common macros where we need slightly duke@435: // different behavior for Float/Double duke@435: #define FP_SELECT_Boolean(intcode, fpcode) intcode duke@435: #define FP_SELECT_Byte(intcode, fpcode) intcode duke@435: #define FP_SELECT_Char(intcode, fpcode) intcode duke@435: #define FP_SELECT_Short(intcode, fpcode) intcode duke@435: #define FP_SELECT_Object(intcode, fpcode) intcode duke@435: #define FP_SELECT_Int(intcode, fpcode) intcode duke@435: #define FP_SELECT_Long(intcode, fpcode) intcode duke@435: #define FP_SELECT_Float(intcode, fpcode) fpcode duke@435: #define FP_SELECT_Double(intcode, fpcode) fpcode duke@435: #define FP_SELECT(TypeName, intcode, fpcode) \ duke@435: FP_SELECT_##TypeName(intcode, fpcode) duke@435: duke@435: #define COMMA , duke@435: duke@435: // Choose DT_RETURN_MARK macros based on the type: float/double -> void duke@435: // (dtrace doesn't do FP yet) dcubed@3202: #ifndef USDT2 duke@435: #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ duke@435: FP_SELECT(TypeName, \ duke@435: DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) dcubed@3202: #else /* USDT2 */ dcubed@3202: #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ dcubed@3202: FP_SELECT(TypeName, \ dcubed@3202: DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) dcubed@3202: #endif /* USDT2 */ duke@435: #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ duke@435: FP_SELECT(TypeName, \ duke@435: DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) duke@435: duke@435: duke@435: // out-of-line helpers for class jfieldIDWorkaround: duke@435: duke@435: bool jfieldIDWorkaround::is_valid_jfieldID(klassOop k, jfieldID id) { duke@435: if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { duke@435: uintptr_t as_uint = (uintptr_t) id; duke@435: intptr_t offset = raw_instance_offset(id); duke@435: if (is_checked_jfieldID(id)) { duke@435: if (!klass_hash_ok(k, id)) { duke@435: return false; duke@435: } duke@435: } duke@435: return instanceKlass::cast(k)->contains_field_offset(offset); duke@435: } else { duke@435: JNIid* result = (JNIid*) id; duke@435: #ifdef ASSERT duke@435: return result != NULL && result->is_static_field_id(); duke@435: #else duke@435: return result != NULL; duke@435: #endif duke@435: } duke@435: } duke@435: duke@435: duke@435: intptr_t jfieldIDWorkaround::encode_klass_hash(klassOop k, intptr_t offset) { duke@435: if (offset <= small_offset_mask) { duke@435: klassOop field_klass = k; duke@435: klassOop super_klass = Klass::cast(field_klass)->super(); coleenp@548: // With compressed oops the most super class with nonstatic fields would coleenp@548: // be the owner of fields embedded in the header. coleenp@548: while (instanceKlass::cast(super_klass)->has_nonstatic_fields() && coleenp@548: instanceKlass::cast(super_klass)->contains_field_offset(offset)) { duke@435: field_klass = super_klass; // super contains the field also duke@435: super_klass = Klass::cast(field_klass)->super(); duke@435: } duke@435: debug_only(No_Safepoint_Verifier nosafepoint;) duke@435: uintptr_t klass_hash = field_klass->identity_hash(); duke@435: return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; duke@435: } else { duke@435: #if 0 duke@435: #ifndef PRODUCT duke@435: { duke@435: ResourceMark rm; duke@435: warning("VerifyJNIFields: long offset %d in %s", offset, Klass::cast(k)->external_name()); duke@435: } duke@435: #endif duke@435: #endif duke@435: return 0; duke@435: } duke@435: } duke@435: duke@435: bool jfieldIDWorkaround::klass_hash_ok(klassOop k, jfieldID id) { duke@435: uintptr_t as_uint = (uintptr_t) id; duke@435: intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; duke@435: do { duke@435: debug_only(No_Safepoint_Verifier nosafepoint;) duke@435: // Could use a non-blocking query for identity_hash here... duke@435: if ((k->identity_hash() & klass_mask) == klass_hash) duke@435: return true; duke@435: k = Klass::cast(k)->super(); duke@435: } while (k != NULL); duke@435: return false; duke@435: } duke@435: duke@435: void jfieldIDWorkaround::verify_instance_jfieldID(klassOop k, jfieldID id) { duke@435: guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); duke@435: uintptr_t as_uint = (uintptr_t) id; duke@435: intptr_t offset = raw_instance_offset(id); duke@435: if (VerifyJNIFields) { duke@435: if (is_checked_jfieldID(id)) { duke@435: guarantee(klass_hash_ok(k, id), duke@435: "Bug in native code: jfieldID class must match object"); duke@435: } else { duke@435: #if 0 duke@435: #ifndef PRODUCT duke@435: if (Verbose) { duke@435: ResourceMark rm; duke@435: warning("VerifyJNIFields: unverified offset %d for %s", offset, Klass::cast(k)->external_name()); duke@435: } duke@435: #endif duke@435: #endif duke@435: } duke@435: } duke@435: guarantee(instanceKlass::cast(k)->contains_field_offset(offset), duke@435: "Bug in native code: jfieldID offset must address interior of object"); duke@435: } duke@435: duke@435: // Pick a reasonable higher bound for local capacity requested duke@435: // for EnsureLocalCapacity and PushLocalFrame. We don't want it too duke@435: // high because a test (or very unusual application) may try to allocate duke@435: // that many handles and run out of swap space. An implementation is duke@435: // permitted to allocate more handles than the ensured capacity, so this duke@435: // value is set high enough to prevent compatibility problems. duke@435: const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; duke@435: duke@435: duke@435: // Wrapper to trace JNI functions duke@435: duke@435: #ifdef ASSERT duke@435: Histogram* JNIHistogram; duke@435: static volatile jint JNIHistogram_lock = 0; duke@435: duke@435: class JNITraceWrapper : public StackObj { duke@435: public: duke@435: JNITraceWrapper(const char* format, ...) { duke@435: if (TraceJNICalls) { duke@435: va_list ap; duke@435: va_start(ap, format); duke@435: tty->print("JNI "); duke@435: tty->vprint_cr(format, ap); duke@435: va_end(ap); duke@435: } duke@435: } duke@435: }; duke@435: duke@435: class JNIHistogramElement : public HistogramElement { duke@435: public: duke@435: JNIHistogramElement(const char* name); duke@435: }; duke@435: duke@435: JNIHistogramElement::JNIHistogramElement(const char* elementName) { duke@435: _name = elementName; duke@435: uintx count = 0; duke@435: duke@435: while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { duke@435: while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { duke@435: count +=1; duke@435: if ( (WarnOnStalledSpinLock > 0) duke@435: && (count % WarnOnStalledSpinLock == 0)) { duke@435: warning("JNIHistogram_lock seems to be stalled"); duke@435: } duke@435: } duke@435: } duke@435: duke@435: duke@435: if(JNIHistogram == NULL) duke@435: JNIHistogram = new Histogram("JNI Call Counts",100); duke@435: duke@435: JNIHistogram->add_element(this); duke@435: Atomic::dec(&JNIHistogram_lock); duke@435: } duke@435: duke@435: #define JNICountWrapper(arg) \ duke@435: static JNIHistogramElement* e = new JNIHistogramElement(arg); \ duke@435: /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ duke@435: if (e != NULL) e->increment_count() duke@435: #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) duke@435: #else duke@435: #define JNIWrapper(arg) duke@435: #endif duke@435: duke@435: duke@435: // Implementation of JNI entries duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(DefineClass, jclass); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(DefineClass, jclass dcubed@3202: , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, duke@435: const jbyte *buf, jsize bufLen)) duke@435: JNIWrapper("DefineClass"); duke@435: dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE5(hotspot_jni, DefineClass__entry, duke@435: env, name, loaderRef, buf, bufLen); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DEFINECLASS_ENTRY( dcubed@3202: env, (char*) name, loaderRef, (char*) buf, bufLen); dcubed@3202: #endif /* USDT2 */ duke@435: jclass cls = NULL; duke@435: DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); duke@435: duke@435: // Since exceptions can be thrown, class initialization can take place duke@435: // if name is NULL no check for class name in .class stream has to be made. duke@435: if (name != NULL) { duke@435: const int str_len = (int)strlen(name); coleenp@2497: if (str_len > Symbol::max_length()) { duke@435: // It's impossible to create this class; the name cannot fit duke@435: // into the constant pool. duke@435: THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); duke@435: } duke@435: } coleenp@2497: TempNewSymbol class_name = SymbolTable::new_symbol(name, THREAD); duke@435: duke@435: ResourceMark rm(THREAD); duke@435: ClassFileStream st((u1*) buf, bufLen, NULL); duke@435: Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); duke@435: duke@435: if (UsePerfData && !class_loader.is_null()) { duke@435: // check whether the current caller thread holds the lock or not. duke@435: // If not, increment the corresponding counter duke@435: if (ObjectSynchronizer:: duke@435: query_lock_ownership((JavaThread*)THREAD, class_loader) != duke@435: ObjectSynchronizer::owner_self) { duke@435: ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); duke@435: } duke@435: } duke@435: klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader, acorn@1408: Handle(), &st, true, acorn@1408: CHECK_NULL); duke@435: acorn@1092: if (TraceClassResolution && k != NULL) { acorn@1092: trace_class_resolution(k); acorn@1092: } acorn@1092: duke@435: cls = (jclass)JNIHandles::make_local( duke@435: env, Klass::cast(k)->java_mirror()); duke@435: return cls; duke@435: JNI_END duke@435: duke@435: duke@435: duke@435: static bool first_time_FindClass = true; duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(FindClass, jclass); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(FindClass, jclass dcubed@3202: , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) duke@435: JNIWrapper("FindClass"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_FINDCLASS_ENTRY( dcubed@3202: env, (char *)name); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: jclass result = NULL; duke@435: DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); duke@435: duke@435: // Remember if we are the first invocation of jni_FindClass duke@435: bool first_time = first_time_FindClass; duke@435: first_time_FindClass = false; duke@435: duke@435: // Sanity check the name: it cannot be null or larger than the maximum size duke@435: // name we can fit in the constant pool. coleenp@2497: if (name == NULL || (int)strlen(name) > Symbol::max_length()) { duke@435: THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); duke@435: } duke@435: duke@435: //%note jni_3 duke@435: Handle loader; duke@435: Handle protection_domain; duke@435: // Find calling class duke@435: instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); duke@435: if (k.not_null()) { duke@435: loader = Handle(THREAD, k->class_loader()); duke@435: // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed duke@435: // in the correct class context. duke@435: if (loader.is_null() && duke@435: k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { duke@435: JavaValue result(T_OBJECT); duke@435: JavaCalls::call_static(&result, k, coleenp@2497: vmSymbols::getFromClass_name(), coleenp@2497: vmSymbols::void_class_signature(), duke@435: thread); duke@435: if (HAS_PENDING_EXCEPTION) { duke@435: Handle ex(thread, thread->pending_exception()); duke@435: CLEAR_PENDING_EXCEPTION; duke@435: THROW_HANDLE_0(ex); duke@435: } duke@435: oop mirror = (oop) result.get_jobject(); duke@435: loader = Handle(THREAD, duke@435: instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->class_loader()); duke@435: protection_domain = Handle(THREAD, duke@435: instanceKlass::cast(java_lang_Class::as_klassOop(mirror))->protection_domain()); duke@435: } duke@435: } else { duke@435: // We call ClassLoader.getSystemClassLoader to obtain the system class loader. duke@435: loader = Handle(THREAD, SystemDictionary::java_system_loader()); duke@435: } duke@435: coleenp@2497: TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); duke@435: result = find_class_from_class_loader(env, sym, true, loader, duke@435: protection_domain, true, thread); duke@435: acorn@1092: if (TraceClassResolution && result != NULL) { acorn@1092: trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); acorn@1092: } acorn@1092: duke@435: // If we were the first invocation of jni_FindClass, we enable compilation again duke@435: // rather than just allowing invocation counter to overflow and decay. duke@435: // Controlled by flag DelayCompilationDuringStartup. duke@435: if (first_time && !CompileTheWorld) duke@435: CompilationPolicy::completed_vm_startup(); duke@435: duke@435: return result; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID dcubed@3202: , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) duke@435: JNIWrapper("FromReflectedMethod"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( dcubed@3202: env, method); dcubed@3202: #endif /* USDT2 */ duke@435: jmethodID ret = NULL; duke@435: DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); duke@435: duke@435: // method is a handle to a java.lang.reflect.Method object duke@435: oop reflected = JNIHandles::resolve_non_null(method); duke@435: oop mirror = NULL; duke@435: int slot = 0; duke@435: never@1577: if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { duke@435: mirror = java_lang_reflect_Constructor::clazz(reflected); duke@435: slot = java_lang_reflect_Constructor::slot(reflected); duke@435: } else { never@1577: assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); duke@435: mirror = java_lang_reflect_Method::clazz(reflected); duke@435: slot = java_lang_reflect_Method::slot(reflected); duke@435: } duke@435: klassOop k = java_lang_Class::as_klassOop(mirror); duke@435: duke@435: KlassHandle k1(THREAD, k); duke@435: // Make sure class is initialized before handing id's out to methods duke@435: Klass::cast(k1())->initialize(CHECK_NULL); duke@435: methodOop m = instanceKlass::cast(k1())->method_with_idnum(slot); duke@435: ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted duke@435: return ret; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(FromReflectedField, jfieldID dcubed@3202: , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) duke@435: JNIWrapper("FromReflectedField"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( dcubed@3202: env, field); dcubed@3202: #endif /* USDT2 */ duke@435: jfieldID ret = NULL; duke@435: DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); duke@435: duke@435: // field is a handle to a java.lang.reflect.Field object duke@435: oop reflected = JNIHandles::resolve_non_null(field); duke@435: oop mirror = java_lang_reflect_Field::clazz(reflected); duke@435: klassOop k = java_lang_Class::as_klassOop(mirror); duke@435: int slot = java_lang_reflect_Field::slot(reflected); duke@435: int modifiers = java_lang_reflect_Field::modifiers(reflected); duke@435: duke@435: KlassHandle k1(THREAD, k); duke@435: // Make sure class is initialized before handing id's out to fields duke@435: Klass::cast(k1())->initialize(CHECK_NULL); duke@435: duke@435: // First check if this is a static field duke@435: if (modifiers & JVM_ACC_STATIC) { never@3137: intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); duke@435: JNIid* id = instanceKlass::cast(k1())->jni_id_for(offset); duke@435: assert(id != NULL, "corrupt Field object"); duke@435: debug_only(id->set_is_static_field_id();) duke@435: // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop duke@435: ret = jfieldIDWorkaround::to_static_jfieldID(id); duke@435: return ret; duke@435: } duke@435: duke@435: // The slot is the index of the field description in the field-array duke@435: // The jfieldID is the offset of the field within the object duke@435: // It may also have hash bits for k, if VerifyJNIFields is turned on. never@3137: intptr_t offset = instanceKlass::cast(k1())->field_offset( slot ); duke@435: assert(instanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); duke@435: ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); duke@435: return ret; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(ToReflectedMethod, jobject dcubed@3202: , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) duke@435: JNIWrapper("ToReflectedMethod"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( dcubed@3202: env, cls, (uintptr_t) method_id, isStatic); dcubed@3202: #endif /* USDT2 */ duke@435: jobject ret = NULL; duke@435: DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); duke@435: duke@435: methodHandle m (THREAD, JNIHandles::resolve_jmethod_id(method_id)); duke@435: assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); duke@435: oop reflection_method; duke@435: if (m->is_initializer()) { duke@435: reflection_method = Reflection::new_constructor(m, CHECK_NULL); duke@435: } else { duke@435: reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); duke@435: } duke@435: ret = JNIHandles::make_local(env, reflection_method); duke@435: return ret; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(GetSuperclass, jclass); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(GetSuperclass, jclass dcubed@3202: , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) duke@435: JNIWrapper("GetSuperclass"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSUPERCLASS_ENTRY( dcubed@3202: env, sub); dcubed@3202: #endif /* USDT2 */ duke@435: jclass obj = NULL; duke@435: DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); duke@435: duke@435: oop mirror = JNIHandles::resolve_non_null(sub); duke@435: // primitive classes return NULL duke@435: if (java_lang_Class::is_primitive(mirror)) return NULL; duke@435: duke@435: // Rules of Class.getSuperClass as implemented by KLass::java_super: duke@435: // arrays return Object duke@435: // interfaces return NULL duke@435: // proper classes return Klass::super() duke@435: klassOop k = java_lang_Class::as_klassOop(mirror); duke@435: if (Klass::cast(k)->is_interface()) return NULL; duke@435: duke@435: // return mirror for superclass duke@435: klassOop super = Klass::cast(k)->java_super(); duke@435: // super2 is the value computed by the compiler's getSuperClass intrinsic: duke@435: debug_only(klassOop super2 = ( Klass::cast(k)->oop_is_javaArray() never@1577: ? SystemDictionary::Object_klass() duke@435: : Klass::cast(k)->super() ) ); duke@435: assert(super == super2, duke@435: "java_super computation depends on interface, array, other super"); duke@435: obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(Klass::cast(super)->java_mirror()); duke@435: return obj; duke@435: JNI_END duke@435: duke@435: JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) duke@435: JNIWrapper("IsSubclassOf"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( dcubed@3202: env, sub, super); dcubed@3202: #endif /* USDT2 */ duke@435: oop sub_mirror = JNIHandles::resolve_non_null(sub); duke@435: oop super_mirror = JNIHandles::resolve_non_null(super); duke@435: if (java_lang_Class::is_primitive(sub_mirror) || duke@435: java_lang_Class::is_primitive(super_mirror)) { duke@435: jboolean ret = (sub_mirror == super_mirror); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: } duke@435: klassOop sub_klass = java_lang_Class::as_klassOop(sub_mirror); duke@435: klassOop super_klass = java_lang_Class::as_klassOop(super_mirror); duke@435: assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); duke@435: jboolean ret = Klass::cast(sub_klass)->is_subtype_of(super_klass) ? duke@435: JNI_TRUE : JNI_FALSE; dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(Throw, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(Throw, jint dcubed@3202: , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) duke@435: JNIWrapper("Throw"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_THROW_ENTRY( dcubed@3202: env, obj); dcubed@3202: #endif /* USDT2 */ duke@435: jint ret = JNI_OK; duke@435: DT_RETURN_MARK(Throw, jint, (const jint&)ret); duke@435: duke@435: THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); duke@435: ShouldNotReachHere(); duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(ThrowNew, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(ThrowNew, jint dcubed@3202: , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) duke@435: JNIWrapper("ThrowNew"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_THROWNEW_ENTRY( dcubed@3202: env, clazz, (char *) message); dcubed@3202: #endif /* USDT2 */ duke@435: jint ret = JNI_OK; duke@435: DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); duke@435: duke@435: instanceKlass* k = instanceKlass::cast(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); coleenp@2497: Symbol* name = k->name(); duke@435: Handle class_loader (THREAD, k->class_loader()); duke@435: Handle protection_domain (THREAD, k->protection_domain()); duke@435: THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); duke@435: ShouldNotReachHere(); duke@435: JNI_END duke@435: duke@435: duke@435: // JNI functions only transform a pending async exception to a synchronous duke@435: // exception in ExceptionOccurred and ExceptionCheck calls, since duke@435: // delivering an async exception in other places won't change the native duke@435: // code's control flow and would be harmful when native code further calls duke@435: // JNI functions with a pending exception. Async exception is also checked duke@435: // during the call, so ExceptionOccurred/ExceptionCheck won't return duke@435: // false but deliver the async exception at the very end during duke@435: // state transition. duke@435: duke@435: static void jni_check_async_exceptions(JavaThread *thread) { duke@435: assert(thread == Thread::current(), "must be itself"); duke@435: thread->check_and_handle_async_exceptions(); duke@435: } duke@435: duke@435: JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) duke@435: JNIWrapper("ExceptionOccurred"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( dcubed@3202: env); dcubed@3202: #endif /* USDT2 */ duke@435: jni_check_async_exceptions(thread); duke@435: oop exception = thread->pending_exception(); duke@435: jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) duke@435: JNIWrapper("ExceptionDescribe"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( dcubed@3202: env); dcubed@3202: #endif /* USDT2 */ duke@435: if (thread->has_pending_exception()) { duke@435: Handle ex(thread, thread->pending_exception()); duke@435: thread->clear_pending_exception(); never@1577: if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { duke@435: // Don't print anything if we are being killed. duke@435: } else { duke@435: jio_fprintf(defaultStream::error_stream(), "Exception "); duke@435: if (thread != NULL && thread->threadObj() != NULL) { duke@435: ResourceMark rm(THREAD); duke@435: jio_fprintf(defaultStream::error_stream(), duke@435: "in thread \"%s\" ", thread->get_thread_name()); duke@435: } never@1577: if (ex->is_a(SystemDictionary::Throwable_klass())) { duke@435: JavaValue result(T_VOID); duke@435: JavaCalls::call_virtual(&result, duke@435: ex, duke@435: KlassHandle(THREAD, never@1577: SystemDictionary::Throwable_klass()), coleenp@2497: vmSymbols::printStackTrace_name(), coleenp@2497: vmSymbols::void_method_signature(), duke@435: THREAD); duke@435: // If an exception is thrown in the call it gets thrown away. Not much duke@435: // we can do with it. The native code that calls this, does not check duke@435: // for the exception - hence, it might still be in the thread when DestroyVM gets duke@435: // called, potentially causing a few asserts to trigger - since no pending exception duke@435: // is expected. duke@435: CLEAR_PENDING_EXCEPTION; duke@435: } else { duke@435: ResourceMark rm(THREAD); duke@435: jio_fprintf(defaultStream::error_stream(), duke@435: ". Uncaught exception of type %s.", duke@435: Klass::cast(ex->klass())->external_name()); duke@435: } duke@435: } duke@435: } dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: duke@435: JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) duke@435: JNIWrapper("ExceptionClear"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( dcubed@3202: env); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: // The jni code might be using this API to clear java thrown exception. duke@435: // So just mark jvmti thread exception state as exception caught. duke@435: JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); duke@435: if (state != NULL && state->is_exception_detected()) { duke@435: state->set_exception_caught(); duke@435: } duke@435: thread->clear_pending_exception(); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, ExceptionClear__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) duke@435: JNIWrapper("FatalError"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_FATALERROR_ENTRY( dcubed@3202: env, (char *) msg); dcubed@3202: #endif /* USDT2 */ duke@435: tty->print_cr("FATAL ERROR in native method: %s", msg); duke@435: thread->print_stack(); poonam@662: os::abort(); // Dump core and abort duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) duke@435: JNIWrapper("PushLocalFrame"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( dcubed@3202: env, capacity); dcubed@3202: #endif /* USDT2 */ duke@435: //%note jni_11 duke@435: if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( dcubed@3202: (uint32_t)JNI_ERR); dcubed@3202: #endif /* USDT2 */ duke@435: return JNI_ERR; duke@435: } duke@435: JNIHandleBlock* old_handles = thread->active_handles(); duke@435: JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); duke@435: assert(new_handles != NULL, "should not be NULL"); duke@435: new_handles->set_pop_frame_link(old_handles); duke@435: thread->set_active_handles(new_handles); duke@435: jint ret = JNI_OK; dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) duke@435: JNIWrapper("PopLocalFrame"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_POPLOCALFRAME_ENTRY( dcubed@3202: env, result); dcubed@3202: #endif /* USDT2 */ duke@435: //%note jni_11 duke@435: Handle result_handle(thread, JNIHandles::resolve(result)); duke@435: JNIHandleBlock* old_handles = thread->active_handles(); duke@435: JNIHandleBlock* new_handles = old_handles->pop_frame_link(); duke@435: if (new_handles != NULL) { duke@435: // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. duke@435: // This way code will still work if PopLocalFrame is called without a corresponding duke@435: // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise duke@435: // the release_block call will release the blocks. duke@435: thread->set_active_handles(new_handles); duke@435: old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below duke@435: JNIHandleBlock::release_block(old_handles, thread); // may block duke@435: result = JNIHandles::make_local(thread, result_handle()); duke@435: } dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_POPLOCALFRAME_RETURN( dcubed@3202: result); dcubed@3202: #endif /* USDT2 */ duke@435: return result; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) duke@435: JNIWrapper("NewGlobalRef"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWGLOBALREF_ENTRY( dcubed@3202: env, ref); dcubed@3202: #endif /* USDT2 */ duke@435: Handle ref_handle(thread, JNIHandles::resolve(ref)); duke@435: jobject ret = JNIHandles::make_global(ref_handle); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWGLOBALREF_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: // Must be JNI_ENTRY (with HandleMark) duke@435: JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) duke@435: JNIWrapper("DeleteGlobalRef"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( dcubed@3202: env, ref); dcubed@3202: #endif /* USDT2 */ duke@435: JNIHandles::destroy_global(ref); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DELETEGLOBALREF_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) duke@435: JNIWrapper("DeleteLocalRef"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DELETELOCALREF_ENTRY( dcubed@3202: env, obj); dcubed@3202: #endif /* USDT2 */ duke@435: JNIHandles::destroy_local(obj); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DELETELOCALREF_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) duke@435: JNIWrapper("IsSameObject"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( dcubed@3202: env, r1, r2); dcubed@3202: #endif /* USDT2 */ duke@435: oop a = JNIHandles::resolve(r1); duke@435: oop b = JNIHandles::resolve(r2); duke@435: jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ISSAMEOBJECT_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) duke@435: JNIWrapper("NewLocalRef"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWLOCALREF_ENTRY( dcubed@3202: env, ref); dcubed@3202: #endif /* USDT2 */ duke@435: jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWLOCALREF_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) duke@435: JNIWrapper("EnsureLocalCapacity"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( dcubed@3202: env, capacity); dcubed@3202: #endif /* USDT2 */ duke@435: jint ret; duke@435: if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { duke@435: ret = JNI_OK; duke@435: } else { duke@435: ret = JNI_ERR; duke@435: } dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: // Return the Handle Type duke@435: JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) duke@435: JNIWrapper("GetObjectRefType"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( dcubed@3202: env, obj); dcubed@3202: #endif /* USDT2 */ duke@435: jobjectRefType ret; duke@435: if (JNIHandles::is_local_handle(thread, obj) || duke@435: JNIHandles::is_frame_handle(thread, obj)) duke@435: ret = JNILocalRefType; duke@435: else if (JNIHandles::is_global_handle(obj)) duke@435: ret = JNIGlobalRefType; duke@435: else if (JNIHandles::is_weak_global_handle(obj)) duke@435: ret = JNIWeakGlobalRefType; duke@435: else duke@435: ret = JNIInvalidRefType; dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( dcubed@3202: (void *) ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: class JNI_ArgumentPusher : public SignatureIterator { duke@435: protected: duke@435: JavaCallArguments* _arguments; duke@435: duke@435: virtual void get_bool () = 0; duke@435: virtual void get_char () = 0; duke@435: virtual void get_short () = 0; duke@435: virtual void get_byte () = 0; duke@435: virtual void get_int () = 0; duke@435: virtual void get_long () = 0; duke@435: virtual void get_float () = 0; duke@435: virtual void get_double () = 0; duke@435: virtual void get_object () = 0; duke@435: coleenp@2497: JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { duke@435: this->_return_type = T_ILLEGAL; duke@435: _arguments = NULL; duke@435: } duke@435: duke@435: public: duke@435: virtual void iterate( uint64_t fingerprint ) = 0; duke@435: duke@435: void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } duke@435: duke@435: inline void do_bool() { if (!is_return_type()) get_bool(); } duke@435: inline void do_char() { if (!is_return_type()) get_char(); } duke@435: inline void do_short() { if (!is_return_type()) get_short(); } duke@435: inline void do_byte() { if (!is_return_type()) get_byte(); } duke@435: inline void do_int() { if (!is_return_type()) get_int(); } duke@435: inline void do_long() { if (!is_return_type()) get_long(); } duke@435: inline void do_float() { if (!is_return_type()) get_float(); } duke@435: inline void do_double() { if (!is_return_type()) get_double(); } duke@435: inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } duke@435: inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array duke@435: inline void do_void() { } duke@435: duke@435: JavaCallArguments* arguments() { return _arguments; } duke@435: void push_receiver(Handle h) { _arguments->push_oop(h); } duke@435: }; duke@435: duke@435: duke@435: class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { duke@435: protected: duke@435: va_list _ap; duke@435: duke@435: inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg duke@435: inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg duke@435: inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg duke@435: inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg duke@435: inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } duke@435: duke@435: // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests duke@435: duke@435: inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } duke@435: inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg duke@435: inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } duke@435: inline void get_object() { jobject l = va_arg(_ap, jobject); duke@435: _arguments->push_oop(Handle((oop *)l, false)); } duke@435: duke@435: inline void set_ap(va_list rap) { duke@435: #ifdef va_copy duke@435: va_copy(_ap, rap); duke@435: #elif defined (__va_copy) duke@435: __va_copy(_ap, rap); duke@435: #else duke@435: _ap = rap; duke@435: #endif duke@435: } duke@435: duke@435: public: coleenp@2497: JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) coleenp@2497: : JNI_ArgumentPusher(signature) { duke@435: set_ap(rap); duke@435: } coleenp@2497: JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) coleenp@2497: : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { duke@435: set_ap(rap); duke@435: } duke@435: duke@435: // Optimized path if we have the bitvector form of signature duke@435: void iterate( uint64_t fingerprint ) { duke@435: if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments duke@435: else { duke@435: _return_type = (BasicType)((fingerprint >> static_feature_size) & duke@435: result_feature_mask); duke@435: duke@435: assert(fingerprint, "Fingerprint should not be 0"); duke@435: fingerprint = fingerprint >> (static_feature_size + result_feature_size); duke@435: while ( 1 ) { duke@435: switch ( fingerprint & parameter_feature_mask ) { duke@435: case bool_parm: duke@435: case char_parm: duke@435: case short_parm: duke@435: case byte_parm: duke@435: case int_parm: duke@435: get_int(); duke@435: break; duke@435: case obj_parm: duke@435: get_object(); duke@435: break; duke@435: case long_parm: duke@435: get_long(); duke@435: break; duke@435: case float_parm: duke@435: get_float(); duke@435: break; duke@435: case double_parm: duke@435: get_double(); duke@435: break; duke@435: case done_parm: duke@435: return; duke@435: break; duke@435: default: duke@435: ShouldNotReachHere(); duke@435: break; duke@435: } duke@435: fingerprint >>= parameter_feature_size; duke@435: } duke@435: } duke@435: } duke@435: }; duke@435: duke@435: duke@435: class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { duke@435: protected: duke@435: const jvalue *_ap; duke@435: duke@435: inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } duke@435: inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } duke@435: inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } duke@435: inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } duke@435: inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } duke@435: duke@435: inline void get_long() { _arguments->push_long((_ap++)->j); } duke@435: inline void get_float() { _arguments->push_float((_ap++)->f); } duke@435: inline void get_double() { _arguments->push_double((_ap++)->d);} duke@435: inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } duke@435: duke@435: inline void set_ap(const jvalue *rap) { _ap = rap; } duke@435: duke@435: public: coleenp@2497: JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) coleenp@2497: : JNI_ArgumentPusher(signature) { duke@435: set_ap(rap); duke@435: } coleenp@2497: JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) coleenp@2497: : JNI_ArgumentPusher(JNIHandles::resolve_jmethod_id(method_id)->signature()) { duke@435: set_ap(rap); duke@435: } duke@435: duke@435: // Optimized path if we have the bitvector form of signature duke@435: void iterate( uint64_t fingerprint ) { duke@435: if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments duke@435: else { duke@435: _return_type = (BasicType)((fingerprint >> static_feature_size) & duke@435: result_feature_mask); duke@435: assert(fingerprint, "Fingerprint should not be 0"); duke@435: fingerprint = fingerprint >> (static_feature_size + result_feature_size); duke@435: while ( 1 ) { duke@435: switch ( fingerprint & parameter_feature_mask ) { duke@435: case bool_parm: duke@435: get_bool(); duke@435: break; duke@435: case char_parm: duke@435: get_char(); duke@435: break; duke@435: case short_parm: duke@435: get_short(); duke@435: break; duke@435: case byte_parm: duke@435: get_byte(); duke@435: break; duke@435: case int_parm: duke@435: get_int(); duke@435: break; duke@435: case obj_parm: duke@435: get_object(); duke@435: break; duke@435: case long_parm: duke@435: get_long(); duke@435: break; duke@435: case float_parm: duke@435: get_float(); duke@435: break; duke@435: case double_parm: duke@435: get_double(); duke@435: break; duke@435: case done_parm: duke@435: return; duke@435: break; duke@435: default: duke@435: ShouldNotReachHere(); duke@435: break; duke@435: } duke@435: fingerprint >>= parameter_feature_size; duke@435: } duke@435: } duke@435: } duke@435: }; duke@435: duke@435: duke@435: enum JNICallType { duke@435: JNI_STATIC, duke@435: JNI_VIRTUAL, duke@435: JNI_NONVIRTUAL duke@435: }; duke@435: duke@435: static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { duke@435: assert(!method.is_null() , "method should not be null"); duke@435: duke@435: KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) duke@435: if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); duke@435: KlassHandle spec_klass (THREAD, method->method_holder()); coleenp@2497: Symbol* name = method->name(); coleenp@2497: Symbol* signature = method->signature(); duke@435: CallInfo info; duke@435: LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); duke@435: return info.selected_method(); duke@435: } duke@435: duke@435: static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { duke@435: assert(!method.is_null() , "method should not be null"); duke@435: duke@435: KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) duke@435: if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); duke@435: KlassHandle spec_klass (THREAD, method->method_holder()); coleenp@2497: Symbol* name = method->name(); coleenp@2497: Symbol* signature = method->signature(); duke@435: CallInfo info; duke@435: LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); duke@435: return info.selected_method(); duke@435: } duke@435: duke@435: duke@435: duke@435: static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { duke@435: methodHandle method(THREAD, JNIHandles::resolve_jmethod_id(method_id)); duke@435: duke@435: // Create object to hold arguments for the JavaCall, and associate it with duke@435: // the jni parser duke@435: ResourceMark rm(THREAD); duke@435: int number_of_parameters = method->size_of_parameters(); duke@435: JavaCallArguments java_args(number_of_parameters); duke@435: args->set_java_argument_object(&java_args); duke@435: duke@435: assert(method->is_static(), "method should be static"); duke@435: duke@435: // Fill out JavaCallArguments object coleenp@2497: args->iterate( Fingerprinter(method).fingerprint() ); duke@435: // Initialize result type duke@435: result->set_type(args->get_ret_type()); duke@435: duke@435: // Invoke the method. Result is returned as oop. duke@435: JavaCalls::call(result, method, &java_args, CHECK); duke@435: duke@435: // Convert result duke@435: if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { duke@435: result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); duke@435: } duke@435: } duke@435: duke@435: duke@435: static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { duke@435: oop recv = JNIHandles::resolve(receiver); duke@435: if (recv == NULL) { duke@435: THROW(vmSymbols::java_lang_NullPointerException()); duke@435: } duke@435: Handle h_recv(THREAD, recv); duke@435: duke@435: int number_of_parameters; duke@435: methodOop selected_method; duke@435: { duke@435: methodOop m = JNIHandles::resolve_jmethod_id(method_id); duke@435: number_of_parameters = m->size_of_parameters(); duke@435: klassOop holder = m->method_holder(); duke@435: if (!(Klass::cast(holder))->is_interface()) { duke@435: // non-interface call -- for that little speed boost, don't handlize duke@435: debug_only(No_Safepoint_Verifier nosafepoint;) duke@435: if (call_type == JNI_VIRTUAL) { duke@435: // jni_GetMethodID makes sure class is linked and initialized duke@435: // so m should have a valid vtable index. duke@435: int vtbl_index = m->vtable_index(); duke@435: if (vtbl_index != methodOopDesc::nonvirtual_vtable_index) { duke@435: klassOop k = h_recv->klass(); duke@435: // k might be an arrayKlassOop but all vtables start at duke@435: // the same place. The cast is to avoid virtual call and assertion. duke@435: instanceKlass *ik = (instanceKlass*)k->klass_part(); duke@435: selected_method = ik->method_at_vtable(vtbl_index); duke@435: } else { duke@435: // final method duke@435: selected_method = m; duke@435: } duke@435: } else { duke@435: // JNI_NONVIRTUAL call duke@435: selected_method = m; duke@435: } duke@435: } else { duke@435: // interface call duke@435: KlassHandle h_holder(THREAD, holder); duke@435: duke@435: int itbl_index = m->cached_itable_index(); duke@435: if (itbl_index == -1) { duke@435: itbl_index = klassItable::compute_itable_index(m); duke@435: m->set_cached_itable_index(itbl_index); duke@435: // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again duke@435: } duke@435: klassOop k = h_recv->klass(); duke@435: selected_method = instanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); duke@435: } duke@435: } duke@435: duke@435: methodHandle method(THREAD, selected_method); duke@435: duke@435: // Create object to hold arguments for the JavaCall, and associate it with duke@435: // the jni parser duke@435: ResourceMark rm(THREAD); duke@435: JavaCallArguments java_args(number_of_parameters); duke@435: args->set_java_argument_object(&java_args); duke@435: duke@435: // handle arguments duke@435: assert(!method->is_static(), "method should not be static"); duke@435: args->push_receiver(h_recv); // Push jobject handle duke@435: duke@435: // Fill out JavaCallArguments object coleenp@2497: args->iterate( Fingerprinter(method).fingerprint() ); duke@435: // Initialize result type duke@435: result->set_type(args->get_ret_type()); duke@435: duke@435: // Invoke the method. Result is returned as oop. duke@435: JavaCalls::call(result, method, &java_args, CHECK); duke@435: duke@435: // Convert result duke@435: if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { duke@435: result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); duke@435: } duke@435: } duke@435: duke@435: duke@435: static instanceOop alloc_object(jclass clazz, TRAPS) { duke@435: KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); duke@435: Klass::cast(k())->check_valid_for_instantiation(false, CHECK_NULL); duke@435: instanceKlass::cast(k())->initialize(CHECK_NULL); duke@435: instanceOop ih = instanceKlass::cast(k())->allocate_instance(THREAD); duke@435: return ih; duke@435: } duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(AllocObject, jobject); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(AllocObject, jobject dcubed@3202: , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) duke@435: JNIWrapper("AllocObject"); duke@435: dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ALLOCOBJECT_ENTRY( dcubed@3202: env, clazz); dcubed@3202: #endif /* USDT2 */ duke@435: jobject ret = NULL; duke@435: DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); duke@435: duke@435: instanceOop i = alloc_object(clazz, CHECK_NULL); duke@435: ret = JNIHandles::make_local(env, i); duke@435: return ret; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(NewObjectA, jobject); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(NewObjectA, jobject dcubed@3202: , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) duke@435: JNIWrapper("NewObjectA"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWOBJECTA_ENTRY( dcubed@3202: env, clazz, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: jobject obj = NULL; duke@435: DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); duke@435: duke@435: instanceOop i = alloc_object(clazz, CHECK_NULL); duke@435: obj = JNIHandles::make_local(env, i); duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherArray ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); duke@435: return obj; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(NewObjectV, jobject); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(NewObjectV, jobject dcubed@3202: , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) duke@435: JNIWrapper("NewObjectV"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWOBJECTV_ENTRY( dcubed@3202: env, clazz, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: jobject obj = NULL; duke@435: DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); duke@435: duke@435: instanceOop i = alloc_object(clazz, CHECK_NULL); duke@435: obj = JNIHandles::make_local(env, i); duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); duke@435: return obj; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(NewObject, jobject); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(NewObject, jobject dcubed@3202: , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) duke@435: JNIWrapper("NewObject"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWOBJECT_ENTRY( dcubed@3202: env, clazz, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: jobject obj = NULL; duke@435: DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); duke@435: duke@435: instanceOop i = alloc_object(clazz, CHECK_NULL); duke@435: obj = JNIHandles::make_local(env, i); duke@435: va_list args; duke@435: va_start(args, methodID); duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); duke@435: va_end(args); duke@435: return obj; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) duke@435: JNIWrapper("GetObjectClass"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( dcubed@3202: env, obj); dcubed@3202: #endif /* USDT2 */ duke@435: klassOop k = JNIHandles::resolve_non_null(obj)->klass(); duke@435: jclass ret = duke@435: (jclass) JNIHandles::make_local(env, Klass::cast(k)->java_mirror()); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETOBJECTCLASS_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) duke@435: JNIWrapper("IsInstanceOf"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ISINSTANCEOF_ENTRY( dcubed@3202: env, obj, clazz); dcubed@3202: #endif /* USDT2 */ duke@435: jboolean ret = JNI_TRUE; duke@435: if (obj != NULL) { duke@435: ret = JNI_FALSE; duke@435: klassOop k = java_lang_Class::as_klassOop( duke@435: JNIHandles::resolve_non_null(clazz)); duke@435: if (k != NULL) { duke@435: ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; duke@435: } duke@435: } dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ISINSTANCEOF_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, duke@435: const char *sig, bool is_static, TRAPS) { duke@435: // %%%% This code should probably just call into a method in the LinkResolver duke@435: // duke@435: // The class should have been loaded (we have an instance of the class duke@435: // passed in) so the method and signature should already be in the symbol duke@435: // table. If they're not there, the method doesn't exist. coleenp@2497: const char *name_to_probe = (name_str == NULL) coleenp@2497: ? vmSymbols::object_initializer_name()->as_C_string() coleenp@2497: : name_str; coleenp@2497: TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); coleenp@2497: TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); coleenp@2497: coleenp@2497: if (name == NULL || signature == NULL) { duke@435: THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); duke@435: } duke@435: duke@435: // Throw a NoSuchMethodError exception if we have an instance of a duke@435: // primitive java.lang.Class duke@435: if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { duke@435: THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); duke@435: } duke@435: duke@435: KlassHandle klass(THREAD, duke@435: java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); duke@435: duke@435: // Make sure class is linked and initialized before handing id's out to duke@435: // methodOops. duke@435: Klass::cast(klass())->initialize(CHECK_NULL); duke@435: duke@435: methodOop m; coleenp@2497: if (name == vmSymbols::object_initializer_name() || coleenp@2497: name == vmSymbols::class_initializer_name()) { duke@435: // Never search superclasses for constructors duke@435: if (klass->oop_is_instance()) { coleenp@2497: m = instanceKlass::cast(klass())->find_method(name, signature); duke@435: } else { duke@435: m = NULL; duke@435: } duke@435: } else { coleenp@2497: m = klass->lookup_method(name, signature); duke@435: // Look up interfaces duke@435: if (m == NULL && klass->oop_is_instance()) { coleenp@2497: m = instanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, coleenp@2497: signature); duke@435: } duke@435: } duke@435: if (m == NULL || (m->is_static() != is_static)) { duke@435: THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); duke@435: } duke@435: return m->jmethod_id(); duke@435: } duke@435: duke@435: duke@435: JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, duke@435: const char *name, const char *sig)) duke@435: JNIWrapper("GetMethodID"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETMETHODID_ENTRY( dcubed@3202: env, clazz, (char *) name, (char *) sig); dcubed@3202: #endif /* USDT2 */ duke@435: jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETMETHODID_RETURN( dcubed@3202: (uintptr_t) ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, duke@435: const char *name, const char *sig)) duke@435: JNIWrapper("GetStaticMethodID"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( dcubed@3202: env, (char *) clazz, (char *) name, (char *)sig); dcubed@3202: #endif /* USDT2 */ duke@435: jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTATICMETHODID_RETURN( dcubed@3202: (uintptr_t) ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: duke@435: // duke@435: // Calling Methods duke@435: // duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ duke@435: \ duke@435: DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ duke@435: DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ duke@435: DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ duke@435: JNIWrapper("Call" XSTR(Result) "Method"); \ duke@435: \ dcubed@3202: DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ duke@435: ResultType ret = 0;\ duke@435: DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: va_list args; \ duke@435: va_start(args, methodID); \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); \ duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ duke@435: va_end(args); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END \ duke@435: \ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ duke@435: JNIWrapper("Call" XSTR(Result) "MethodV"); \ duke@435: \ dcubed@3202: DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ duke@435: ResultType ret = 0;\ duke@435: DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); \ duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END \ duke@435: \ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ duke@435: JNIWrapper("Call" XSTR(Result) "MethodA"); \ dcubed@3202: DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ duke@435: ResultType ret = 0;\ duke@435: DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherArray ap(methodID, args); \ duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END duke@435: duke@435: // the runtime type of subword integral basic types is integer duke@435: DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) duke@435: DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) duke@435: DEFINE_CALLMETHOD(jchar, Char, T_CHAR) duke@435: DEFINE_CALLMETHOD(jshort, Short, T_SHORT) duke@435: duke@435: DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) duke@435: DEFINE_CALLMETHOD(jint, Int, T_INT) duke@435: DEFINE_CALLMETHOD(jlong, Long, T_LONG) duke@435: DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) duke@435: DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) duke@435: duke@435: DT_VOID_RETURN_MARK_DECL(CallVoidMethod); duke@435: DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); duke@435: DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ dcubed@3202: , ReturnProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ dcubed@3202: JNIWrapper("Call" XSTR(Result) "Method"); \ dcubed@3202: \ dcubed@3202: EntryProbe; \ dcubed@3202: ResultType ret = 0;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: va_list args; \ dcubed@3202: va_start(args, methodID); \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherVaArg ap(methodID, args); \ dcubed@3202: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ dcubed@3202: va_end(args); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHOD(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHOD(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) dcubed@3202: dcubed@3202: DEFINE_CALLMETHOD(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHOD(jint, Int, T_INT, dcubed@3202: HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHOD(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) dcubed@3202: DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) dcubed@3202: dcubed@3202: #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ dcubed@3202: , ReturnProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ dcubed@3202: JNIWrapper("Call" XSTR(Result) "MethodV"); \ dcubed@3202: \ dcubed@3202: EntryProbe;\ dcubed@3202: ResultType ret = 0;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherVaArg ap(methodID, args); \ dcubed@3202: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODV(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODV(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) dcubed@3202: dcubed@3202: DEFINE_CALLMETHODV(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODV(jint, Int, T_INT, dcubed@3202: HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODV(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) dcubed@3202: DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) dcubed@3202: dcubed@3202: #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ dcubed@3202: , ReturnProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ dcubed@3202: JNIWrapper("Call" XSTR(Result) "MethodA"); \ dcubed@3202: EntryProbe; \ dcubed@3202: ResultType ret = 0;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherArray ap(methodID, args); \ dcubed@3202: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODA(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODA(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) dcubed@3202: dcubed@3202: DEFINE_CALLMETHODA(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODA(jint, Int, T_INT, dcubed@3202: HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLMETHODA(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) dcubed@3202: DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) dcubed@3202: dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); dcubed@3202: dcubed@3202: #endif /* USDT2 */ dcubed@3202: duke@435: JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) duke@435: JNIWrapper("CallVoidMethod"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( dcubed@3202: env, obj, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallVoidMethod); duke@435: duke@435: va_list args; duke@435: va_start(args, methodID); duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); duke@435: va_end(args); duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) duke@435: JNIWrapper("CallVoidMethodV"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( dcubed@3202: env, obj, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallVoidMethodV); duke@435: duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) duke@435: JNIWrapper("CallVoidMethodA"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( dcubed@3202: env, obj, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallVoidMethodA); duke@435: duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherArray ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); duke@435: JNI_END duke@435: duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ duke@435: \ duke@435: DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ duke@435: DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ duke@435: DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ duke@435: JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ duke@435: \ duke@435: DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ duke@435: ResultType ret;\ duke@435: DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: va_list args; \ duke@435: va_start(args, methodID); \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); \ duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ duke@435: va_end(args); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END \ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ duke@435: JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ duke@435: DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ duke@435: ResultType ret;\ duke@435: DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); \ duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END \ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ duke@435: JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ duke@435: DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ duke@435: ResultType ret;\ duke@435: DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherArray ap(methodID, args); \ duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END duke@435: duke@435: // the runtime type of subword integral basic types is integer duke@435: DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) duke@435: DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) duke@435: DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) duke@435: DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) duke@435: duke@435: DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) duke@435: DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) duke@435: DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) duke@435: DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) duke@435: DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) duke@435: duke@435: duke@435: DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); duke@435: DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); duke@435: DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ dcubed@3202: , ReturnProbe);\ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ dcubed@3202: JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ dcubed@3202: \ dcubed@3202: EntryProbe;\ dcubed@3202: ResultType ret;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: va_list args; \ dcubed@3202: va_start(args, methodID); \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherVaArg ap(methodID, args); \ dcubed@3202: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ dcubed@3202: va_end(args); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) dcubed@3202: dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) dcubed@3202: DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) dcubed@3202: dcubed@3202: #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ dcubed@3202: , ReturnProbe);\ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ dcubed@3202: JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ dcubed@3202: \ dcubed@3202: EntryProbe;\ dcubed@3202: ResultType ret;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherVaArg ap(methodID, args); \ dcubed@3202: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) dcubed@3202: dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) dcubed@3202: dcubed@3202: #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ dcubed@3202: , ReturnProbe);\ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ dcubed@3202: JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ dcubed@3202: \ dcubed@3202: EntryProbe;\ dcubed@3202: ResultType ret;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherArray ap(methodID, args); \ dcubed@3202: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) dcubed@3202: dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) dcubed@3202: DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) dcubed@3202: dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA dcubed@3202: , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); dcubed@3202: #endif /* USDT2 */ dcubed@3202: duke@435: JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) duke@435: JNIWrapper("CallNonvirtualVoidMethod"); duke@435: dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, duke@435: env, obj, cls, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( dcubed@3202: env, obj, cls, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); duke@435: duke@435: va_list args; duke@435: va_start(args, methodID); duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); duke@435: va_end(args); duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) duke@435: JNIWrapper("CallNonvirtualVoidMethodV"); duke@435: dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, duke@435: env, obj, cls, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( dcubed@3202: env, obj, cls, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); duke@435: duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) duke@435: JNIWrapper("CallNonvirtualVoidMethodA"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, duke@435: env, obj, cls, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( dcubed@3202: env, obj, cls, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherArray ap(methodID, args); duke@435: jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); duke@435: JNI_END duke@435: duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ duke@435: \ duke@435: DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ duke@435: DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ duke@435: DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ duke@435: JNIWrapper("CallStatic" XSTR(Result) "Method"); \ duke@435: \ duke@435: DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ duke@435: ResultType ret = 0;\ duke@435: DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: va_list args; \ duke@435: va_start(args, methodID); \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); \ duke@435: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ duke@435: va_end(args); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END \ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ duke@435: JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ duke@435: DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ duke@435: ResultType ret = 0;\ duke@435: DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); \ duke@435: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END \ duke@435: \ duke@435: JNI_ENTRY(ResultType, \ duke@435: jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ duke@435: JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ duke@435: DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ duke@435: ResultType ret = 0;\ duke@435: DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ duke@435: (const ResultType&)ret);\ duke@435: \ duke@435: JavaValue jvalue(Tag); \ coleenp@2497: JNI_ArgumentPusherArray ap(methodID, args); \ duke@435: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ duke@435: ret = jvalue.get_##ResultType(); \ duke@435: return ret;\ duke@435: JNI_END duke@435: duke@435: // the runtime type of subword integral basic types is integer duke@435: DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) duke@435: DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) duke@435: DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) duke@435: DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) duke@435: duke@435: DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) duke@435: DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) duke@435: DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) duke@435: DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) duke@435: DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) duke@435: duke@435: duke@435: DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); duke@435: DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); duke@435: DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ResultProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ dcubed@3202: , ResultProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ dcubed@3202: JNIWrapper("CallStatic" XSTR(Result) "Method"); \ dcubed@3202: \ dcubed@3202: EntryProbe; \ dcubed@3202: ResultType ret = 0;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: va_list args; \ dcubed@3202: va_start(args, methodID); \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherVaArg ap(methodID, args); \ dcubed@3202: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ dcubed@3202: va_end(args); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); dcubed@3202: dcubed@3202: DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHOD(jint, Int, T_INT dcubed@3202: , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); dcubed@3202: DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); dcubed@3202: dcubed@3202: #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ResultProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ dcubed@3202: , ResultProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ dcubed@3202: JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ dcubed@3202: \ dcubed@3202: EntryProbe; \ dcubed@3202: ResultType ret = 0;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherVaArg ap(methodID, args); \ dcubed@3202: /* Make sure class is initialized before trying to invoke its method */ \ dcubed@3202: KlassHandle k(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls))); \ dcubed@3202: Klass::cast(k())->initialize(CHECK_0); \ dcubed@3202: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ dcubed@3202: va_end(args); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); dcubed@3202: dcubed@3202: DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODV(jint, Int, T_INT dcubed@3202: , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); dcubed@3202: DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); dcubed@3202: dcubed@3202: #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ dcubed@3202: , EntryProbe, ResultProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ dcubed@3202: , ResultProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(ResultType, \ dcubed@3202: jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ dcubed@3202: JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ dcubed@3202: \ dcubed@3202: EntryProbe; \ dcubed@3202: ResultType ret = 0;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ dcubed@3202: (const ResultType&)ret);\ dcubed@3202: \ dcubed@3202: JavaValue jvalue(Tag); \ dcubed@3202: JNI_ArgumentPusherArray ap(methodID, args); \ dcubed@3202: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ dcubed@3202: ret = jvalue.get_##ResultType(); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: // the runtime type of subword integral basic types is integer dcubed@3202: DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN dcubed@3202: , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE dcubed@3202: , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR dcubed@3202: , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT dcubed@3202: , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); dcubed@3202: dcubed@3202: DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT dcubed@3202: , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODA(jint, Int, T_INT dcubed@3202: , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); dcubed@3202: DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG dcubed@3202: , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT dcubed@3202: , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); dcubed@3202: DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE dcubed@3202: , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), dcubed@3202: HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); dcubed@3202: dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod dcubed@3202: , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV dcubed@3202: , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); dcubed@3202: DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA dcubed@3202: , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); dcubed@3202: #endif /* USDT2 */ dcubed@3202: duke@435: JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) duke@435: JNIWrapper("CallStaticVoidMethod"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( dcubed@3202: env, cls, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallStaticVoidMethod); duke@435: duke@435: va_list args; duke@435: va_start(args, methodID); duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); duke@435: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); duke@435: va_end(args); duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) duke@435: JNIWrapper("CallStaticVoidMethodV"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( dcubed@3202: env, cls, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallStaticVoidMethodV); duke@435: duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherVaArg ap(methodID, args); duke@435: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) duke@435: JNIWrapper("CallStaticVoidMethodA"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( dcubed@3202: env, cls, (uintptr_t) methodID); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(CallStaticVoidMethodA); duke@435: duke@435: JavaValue jvalue(T_VOID); coleenp@2497: JNI_ArgumentPusherArray ap(methodID, args); duke@435: jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); duke@435: JNI_END duke@435: duke@435: duke@435: // duke@435: // Accessing Fields duke@435: // duke@435: duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(GetFieldID, jfieldID); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(GetFieldID, jfieldID dcubed@3202: , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, duke@435: const char *name, const char *sig)) duke@435: JNIWrapper("GetFieldID"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETFIELDID_ENTRY( dcubed@3202: env, clazz, (char *) name, (char *) sig); dcubed@3202: #endif /* USDT2 */ duke@435: jfieldID ret = 0; duke@435: DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); duke@435: duke@435: // The class should have been loaded (we have an instance of the class duke@435: // passed in) so the field and signature should already be in the symbol duke@435: // table. If they're not there, the field doesn't exist. coleenp@2497: TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); coleenp@2497: TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); coleenp@2497: if (fieldname == NULL || signame == NULL) { duke@435: THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); duke@435: } duke@435: KlassHandle k(THREAD, duke@435: java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); duke@435: // Make sure class is initialized before handing id's out to fields duke@435: Klass::cast(k())->initialize(CHECK_NULL); duke@435: duke@435: fieldDescriptor fd; duke@435: if (!Klass::cast(k())->oop_is_instance() || coleenp@2497: !instanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { duke@435: THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); duke@435: } duke@435: duke@435: // A jfieldID for a non-static field is simply the offset of the field within the instanceOop duke@435: // It may also have hash bits for k, if VerifyJNIFields is turned on. duke@435: ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) duke@435: JNIWrapper("GetObjectField"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( dcubed@3202: env, obj, (uintptr_t) fieldID); dcubed@3202: #endif /* USDT2 */ duke@435: oop o = JNIHandles::resolve_non_null(obj); duke@435: klassOop k = o->klass(); duke@435: int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); duke@435: // Keep JVMTI addition small and only check enabled flag here. duke@435: // jni_GetField_probe() assumes that is okay to create handles. duke@435: if (JvmtiExport::should_post_field_access()) { duke@435: o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); duke@435: } duke@435: jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); johnc@2781: #ifndef SERIALGC johnc@2781: // If G1 is enabled and we are accessing the value of the referent johnc@2781: // field in a reference object then we need to register a non-null johnc@2781: // referent with the SATB barrier. johnc@2781: if (UseG1GC) { johnc@2781: bool needs_barrier = false; johnc@2781: johnc@2781: if (ret != NULL && johnc@2781: offset == java_lang_ref_Reference::referent_offset && johnc@2781: instanceKlass::cast(k)->reference_type() != REF_NONE) { johnc@2781: assert(instanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); johnc@2781: needs_barrier = true; johnc@2781: } johnc@2781: johnc@2781: if (needs_barrier) { johnc@2781: oop referent = JNIHandles::resolve(ret); johnc@2781: G1SATBCardTableModRefBS::enqueue(referent); johnc@2781: } johnc@2781: } johnc@2781: #endif // SERIALGC dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETOBJECTFIELD_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_GETFIELD(Return,Fieldname,Result) \ duke@435: \ duke@435: DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ duke@435: \ duke@435: JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ duke@435: JNIWrapper("Get" XSTR(Result) "Field"); \ duke@435: \ duke@435: DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ duke@435: Return ret = 0;\ duke@435: DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ duke@435: \ duke@435: oop o = JNIHandles::resolve_non_null(obj); \ duke@435: klassOop k = o->klass(); \ duke@435: int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ duke@435: /* Keep JVMTI addition small and only check enabled flag here. */ \ duke@435: /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ duke@435: /* and creates a ResetNoHandleMark. */ \ duke@435: if (JvmtiExport::should_post_field_access()) { \ duke@435: o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ duke@435: } \ duke@435: ret = o->Fieldname##_field(offset); \ duke@435: return ret; \ duke@435: JNI_END duke@435: duke@435: DEFINE_GETFIELD(jboolean, bool, Boolean) duke@435: DEFINE_GETFIELD(jbyte, byte, Byte) duke@435: DEFINE_GETFIELD(jchar, char, Char) duke@435: DEFINE_GETFIELD(jshort, short, Short) duke@435: DEFINE_GETFIELD(jint, int, Int) duke@435: DEFINE_GETFIELD(jlong, long, Long) duke@435: DEFINE_GETFIELD(jfloat, float, Float) duke@435: DEFINE_GETFIELD(jdouble, double, Double) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_GETFIELD(Return,Fieldname,Result \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ dcubed@3202: , ReturnProbe); \ dcubed@3202: \ dcubed@3202: JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ dcubed@3202: JNIWrapper("Get" XSTR(Result) "Field"); \ dcubed@3202: \ dcubed@3202: EntryProbe; \ dcubed@3202: Return ret = 0;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ dcubed@3202: \ dcubed@3202: oop o = JNIHandles::resolve_non_null(obj); \ dcubed@3202: klassOop k = o->klass(); \ dcubed@3202: int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ dcubed@3202: /* Keep JVMTI addition small and only check enabled flag here. */ \ dcubed@3202: /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ dcubed@3202: /* and creates a ResetNoHandleMark. */ \ dcubed@3202: if (JvmtiExport::should_post_field_access()) { \ dcubed@3202: o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ dcubed@3202: } \ dcubed@3202: ret = o->Fieldname##_field(offset); \ dcubed@3202: return ret; \ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_GETFIELD(jboolean, bool, Boolean dcubed@3202: , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) dcubed@3202: DEFINE_GETFIELD(jbyte, byte, Byte dcubed@3202: , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) dcubed@3202: DEFINE_GETFIELD(jchar, char, Char dcubed@3202: , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) dcubed@3202: DEFINE_GETFIELD(jshort, short, Short dcubed@3202: , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) dcubed@3202: DEFINE_GETFIELD(jint, int, Int dcubed@3202: , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) dcubed@3202: DEFINE_GETFIELD(jlong, long, Long dcubed@3202: , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_GETFIELD(jfloat, float, Float dcubed@3202: , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_GETFLOATFIELD_RETURN()) dcubed@3202: DEFINE_GETFIELD(jdouble, double, Double dcubed@3202: , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) dcubed@3202: #endif /* USDT2 */ dcubed@3202: duke@435: address jni_GetBooleanField_addr() { duke@435: return (address)jni_GetBooleanField; duke@435: } duke@435: address jni_GetByteField_addr() { duke@435: return (address)jni_GetByteField; duke@435: } duke@435: address jni_GetCharField_addr() { duke@435: return (address)jni_GetCharField; duke@435: } duke@435: address jni_GetShortField_addr() { duke@435: return (address)jni_GetShortField; duke@435: } duke@435: address jni_GetIntField_addr() { duke@435: return (address)jni_GetIntField; duke@435: } duke@435: address jni_GetLongField_addr() { duke@435: return (address)jni_GetLongField; duke@435: } duke@435: address jni_GetFloatField_addr() { duke@435: return (address)jni_GetFloatField; duke@435: } duke@435: address jni_GetDoubleField_addr() { duke@435: return (address)jni_GetDoubleField; duke@435: } duke@435: duke@435: JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) duke@435: JNIWrapper("SetObjectField"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( dcubed@3202: env, obj, (uintptr_t) fieldID, value); dcubed@3202: #endif /* USDT2 */ duke@435: oop o = JNIHandles::resolve_non_null(obj); duke@435: klassOop k = o->klass(); duke@435: int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); duke@435: // Keep JVMTI addition small and only check enabled flag here. duke@435: // jni_SetField_probe_nh() assumes that is not okay to create handles duke@435: // and creates a ResetNoHandleMark. duke@435: if (JvmtiExport::should_post_field_modification()) { duke@435: jvalue field_value; duke@435: field_value.l = value; duke@435: o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); duke@435: } duke@435: o->obj_field_put(offset, JNIHandles::resolve(value)); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, SetObjectField__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_SETOBJECTFIELD_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ duke@435: \ duke@435: JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ duke@435: JNIWrapper("Set" XSTR(Result) "Field"); \ duke@435: \ duke@435: HS_DTRACE_PROBE_CDECL_N(hotspot_jni, Set##Result##Field__entry, \ duke@435: ( JNIEnv*, jobject, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ duke@435: HS_DTRACE_PROBE_N(hotspot_jni, Set##Result##Field__entry, \ duke@435: ( env, obj, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ duke@435: \ duke@435: oop o = JNIHandles::resolve_non_null(obj); \ duke@435: klassOop k = o->klass(); \ duke@435: int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ duke@435: /* Keep JVMTI addition small and only check enabled flag here. */ \ duke@435: /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ duke@435: /* and creates a ResetNoHandleMark. */ \ duke@435: if (JvmtiExport::should_post_field_modification()) { \ duke@435: jvalue field_value; \ duke@435: field_value.unionType = value; \ duke@435: o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ duke@435: } \ duke@435: o->Fieldname##_field_put(offset, value); \ duke@435: DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ duke@435: JNI_END duke@435: duke@435: DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) duke@435: DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) duke@435: DEFINE_SETFIELD(jchar, char, Char, 'C', c) duke@435: DEFINE_SETFIELD(jshort, short, Short, 'S', s) duke@435: DEFINE_SETFIELD(jint, int, Int, 'I', i) duke@435: DEFINE_SETFIELD(jlong, long, Long, 'J', j) duke@435: DEFINE_SETFIELD(jfloat, float, Float, 'F', f) duke@435: DEFINE_SETFIELD(jdouble, double, Double, 'D', d) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ dcubed@3202: JNIWrapper("Set" XSTR(Result) "Field"); \ dcubed@3202: \ dcubed@3202: EntryProbe; \ dcubed@3202: \ dcubed@3202: oop o = JNIHandles::resolve_non_null(obj); \ dcubed@3202: klassOop k = o->klass(); \ dcubed@3202: int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ dcubed@3202: /* Keep JVMTI addition small and only check enabled flag here. */ \ dcubed@3202: /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ dcubed@3202: /* and creates a ResetNoHandleMark. */ \ dcubed@3202: if (JvmtiExport::should_post_field_modification()) { \ dcubed@3202: jvalue field_value; \ dcubed@3202: field_value.unionType = value; \ dcubed@3202: o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ dcubed@3202: } \ dcubed@3202: o->Fieldname##_field_put(offset, value); \ dcubed@3202: ReturnProbe; \ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z dcubed@3202: , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), dcubed@3202: HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) dcubed@3202: DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b dcubed@3202: , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), dcubed@3202: HOTSPOT_JNI_SETBYTEFIELD_RETURN()) dcubed@3202: DEFINE_SETFIELD(jchar, char, Char, 'C', c dcubed@3202: , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), dcubed@3202: HOTSPOT_JNI_SETCHARFIELD_RETURN()) dcubed@3202: DEFINE_SETFIELD(jshort, short, Short, 'S', s dcubed@3202: , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), dcubed@3202: HOTSPOT_JNI_SETSHORTFIELD_RETURN()) dcubed@3202: DEFINE_SETFIELD(jint, int, Int, 'I', i dcubed@3202: , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), dcubed@3202: HOTSPOT_JNI_SETINTFIELD_RETURN()) dcubed@3202: DEFINE_SETFIELD(jlong, long, Long, 'J', j dcubed@3202: , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), dcubed@3202: HOTSPOT_JNI_SETLONGFIELD_RETURN()) dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_SETFIELD(jfloat, float, Float, 'F', f dcubed@3202: , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_SETFLOATFIELD_RETURN()) dcubed@3202: DEFINE_SETFIELD(jdouble, double, Double, 'D', d dcubed@3202: , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), dcubed@3202: HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) dcubed@3202: #endif /* USDT2 */ dcubed@3202: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(ToReflectedField, jobject); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(ToReflectedField, jobject dcubed@3202: , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) duke@435: JNIWrapper("ToReflectedField"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, duke@435: env, cls, fieldID, isStatic); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( dcubed@3202: env, cls, (uintptr_t) fieldID, isStatic); dcubed@3202: #endif /* USDT2 */ duke@435: jobject ret = NULL; duke@435: DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); duke@435: duke@435: fieldDescriptor fd; duke@435: bool found = false; duke@435: klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(cls)); duke@435: duke@435: assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); duke@435: duke@435: if (isStatic) { duke@435: // Static field. The fieldID a JNIid specifying the field holder and the offset within the klassOop. duke@435: JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); duke@435: assert(id->is_static_field_id(), "invalid static field id"); never@2658: found = id->find_local_field(&fd); duke@435: } else { duke@435: // Non-static field. The fieldID is really the offset of the field within the instanceOop. duke@435: int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); duke@435: found = instanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); duke@435: } duke@435: assert(found, "bad fieldID passed into jni_ToReflectedField"); duke@435: oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); duke@435: ret = JNIHandles::make_local(env, reflected); duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: // duke@435: // Accessing Static Fields duke@435: // dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID dcubed@3202: , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, duke@435: const char *name, const char *sig)) duke@435: JNIWrapper("GetStaticFieldID"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( dcubed@3202: env, clazz, (char *) name, (char *) sig); dcubed@3202: #endif /* USDT2 */ duke@435: jfieldID ret = NULL; duke@435: DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); duke@435: duke@435: // The class should have been loaded (we have an instance of the class duke@435: // passed in) so the field and signature should already be in the symbol duke@435: // table. If they're not there, the field doesn't exist. coleenp@2497: TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); coleenp@2497: TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); coleenp@2497: if (fieldname == NULL || signame == NULL) { duke@435: THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); duke@435: } duke@435: KlassHandle k(THREAD, duke@435: java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); duke@435: // Make sure class is initialized before handing id's out to static fields duke@435: Klass::cast(k())->initialize(CHECK_NULL); duke@435: duke@435: fieldDescriptor fd; duke@435: if (!Klass::cast(k())->oop_is_instance() || coleenp@2497: !instanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { duke@435: THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); duke@435: } duke@435: duke@435: // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the klassOop duke@435: JNIid* id = instanceKlass::cast(fd.field_holder())->jni_id_for(fd.offset()); duke@435: debug_only(id->set_is_static_field_id();) duke@435: never@2658: debug_only(id->verify(fd.field_holder())); duke@435: duke@435: ret = jfieldIDWorkaround::to_static_jfieldID(id); duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) duke@435: JNIWrapper("GetStaticObjectField"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( dcubed@3202: env, clazz, (uintptr_t) fieldID); dcubed@3202: #endif /* USDT2 */ duke@435: #ifndef JNICHECK_KERNEL duke@435: DEBUG_ONLY(klassOop param_k = jniCheck::validate_class(thread, clazz);) duke@435: #endif // JNICHECK_KERNEL duke@435: JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); duke@435: assert(id->is_static_field_id(), "invalid static field id"); duke@435: // Keep JVMTI addition small and only check enabled flag here. duke@435: // jni_GetField_probe() assumes that is okay to create handles. duke@435: if (JvmtiExport::should_post_field_access()) { duke@435: JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); duke@435: } never@2658: jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ duke@435: \ duke@435: DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ duke@435: \ duke@435: JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ duke@435: JNIWrapper("GetStatic" XSTR(Result) "Field"); \ duke@435: DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ duke@435: Return ret = 0;\ duke@435: DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ duke@435: (const Return&)ret);\ duke@435: JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ duke@435: assert(id->is_static_field_id(), "invalid static field id"); \ duke@435: /* Keep JVMTI addition small and only check enabled flag here. */ \ duke@435: /* jni_GetField_probe() assumes that is okay to create handles. */ \ duke@435: if (JvmtiExport::should_post_field_access()) { \ duke@435: JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ duke@435: } \ never@2658: ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ duke@435: return ret;\ duke@435: JNI_END duke@435: duke@435: DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) duke@435: DEFINE_GETSTATICFIELD(jbyte, byte, Byte) duke@435: DEFINE_GETSTATICFIELD(jchar, char, Char) duke@435: DEFINE_GETSTATICFIELD(jshort, short, Short) duke@435: DEFINE_GETSTATICFIELD(jint, int, Int) duke@435: DEFINE_GETSTATICFIELD(jlong, long, Long) duke@435: DEFINE_GETSTATICFIELD(jfloat, float, Float) duke@435: DEFINE_GETSTATICFIELD(jdouble, double, Double) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ dcubed@3202: , ReturnProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ dcubed@3202: JNIWrapper("GetStatic" XSTR(Result) "Field"); \ dcubed@3202: EntryProbe; \ dcubed@3202: Return ret = 0;\ dcubed@3202: DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ dcubed@3202: (const Return&)ret);\ dcubed@3202: JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ dcubed@3202: assert(id->is_static_field_id(), "invalid static field id"); \ dcubed@3202: /* Keep JVMTI addition small and only check enabled flag here. */ \ dcubed@3202: /* jni_GetField_probe() assumes that is okay to create handles. */ \ dcubed@3202: if (JvmtiExport::should_post_field_access()) { \ dcubed@3202: JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ dcubed@3202: } \ dcubed@3202: ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_GETSTATICFIELD(jboolean, bool, Boolean dcubed@3202: , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) dcubed@3202: DEFINE_GETSTATICFIELD(jbyte, byte, Byte dcubed@3202: , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) dcubed@3202: DEFINE_GETSTATICFIELD(jchar, char, Char dcubed@3202: , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) dcubed@3202: DEFINE_GETSTATICFIELD(jshort, short, Short dcubed@3202: , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) dcubed@3202: DEFINE_GETSTATICFIELD(jint, int, Int dcubed@3202: , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) dcubed@3202: DEFINE_GETSTATICFIELD(jlong, long, Long dcubed@3202: , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_GETSTATICFIELD(jfloat, float, Float dcubed@3202: , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) dcubed@3202: DEFINE_GETSTATICFIELD(jdouble, double, Double dcubed@3202: , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) duke@435: JNIWrapper("SetStaticObjectField"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( dcubed@3202: env, clazz, (uintptr_t) fieldID, value); dcubed@3202: #endif /* USDT2 */ duke@435: JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); duke@435: assert(id->is_static_field_id(), "invalid static field id"); duke@435: // Keep JVMTI addition small and only check enabled flag here. duke@435: // jni_SetField_probe() assumes that is okay to create handles. duke@435: if (JvmtiExport::should_post_field_modification()) { duke@435: jvalue field_value; duke@435: field_value.l = value; duke@435: JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); duke@435: } never@2658: id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ duke@435: \ duke@435: JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ duke@435: JNIWrapper("SetStatic" XSTR(Result) "Field"); \ duke@435: HS_DTRACE_PROBE_CDECL_N(hotspot_jni, SetStatic##Result##Field__entry,\ duke@435: ( JNIEnv*, jclass, jfieldID FP_SELECT_##Result(COMMA Argument,/*empty*/) ) ); \ duke@435: HS_DTRACE_PROBE_N(hotspot_jni, SetStatic##Result##Field__entry, \ duke@435: ( env, clazz, fieldID FP_SELECT_##Result(COMMA value,/*empty*/) ) ); \ duke@435: \ duke@435: JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ duke@435: assert(id->is_static_field_id(), "invalid static field id"); \ duke@435: /* Keep JVMTI addition small and only check enabled flag here. */ \ duke@435: /* jni_SetField_probe() assumes that is okay to create handles. */ \ duke@435: if (JvmtiExport::should_post_field_modification()) { \ duke@435: jvalue field_value; \ duke@435: field_value.unionType = value; \ duke@435: JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ duke@435: } \ never@2658: id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ duke@435: DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ duke@435: JNI_END duke@435: duke@435: DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) duke@435: DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) duke@435: DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) duke@435: DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) duke@435: DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) duke@435: DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) duke@435: DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) duke@435: DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ dcubed@3202: JNIWrapper("SetStatic" XSTR(Result) "Field"); \ dcubed@3202: EntryProbe; \ dcubed@3202: \ dcubed@3202: JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ dcubed@3202: assert(id->is_static_field_id(), "invalid static field id"); \ dcubed@3202: /* Keep JVMTI addition small and only check enabled flag here. */ \ dcubed@3202: /* jni_SetField_probe() assumes that is okay to create handles. */ \ dcubed@3202: if (JvmtiExport::should_post_field_modification()) { \ dcubed@3202: jvalue field_value; \ dcubed@3202: field_value.unionType = value; \ dcubed@3202: JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ dcubed@3202: } \ dcubed@3202: id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ dcubed@3202: ReturnProbe;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z dcubed@3202: , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), dcubed@3202: HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) dcubed@3202: DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b dcubed@3202: , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), dcubed@3202: HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) dcubed@3202: DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c dcubed@3202: , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), dcubed@3202: HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) dcubed@3202: DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s dcubed@3202: , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), dcubed@3202: HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) dcubed@3202: DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i dcubed@3202: , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), dcubed@3202: HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) dcubed@3202: DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j dcubed@3202: , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), dcubed@3202: HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f dcubed@3202: , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), dcubed@3202: HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) dcubed@3202: DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d dcubed@3202: , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), dcubed@3202: HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: // duke@435: // String Operations duke@435: // duke@435: duke@435: // Unicode Interface duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(NewString, jstring); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(NewString, jstring dcubed@3202: , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) duke@435: JNIWrapper("NewString"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWSTRING_ENTRY( dcubed@3202: env, (uint16_t *) unicodeChars, len); dcubed@3202: #endif /* USDT2 */ duke@435: jstring ret = NULL; duke@435: DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); duke@435: oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); duke@435: ret = (jstring) JNIHandles::make_local(env, string); duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) duke@435: JNIWrapper("GetStringLength"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( dcubed@3202: env, string); dcubed@3202: #endif /* USDT2 */ duke@435: jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( duke@435: JNIEnv *env, jstring string, jboolean *isCopy)) duke@435: JNIWrapper("GetStringChars"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( dcubed@3202: env, string, (uintptr_t *) isCopy); dcubed@3202: #endif /* USDT2 */ duke@435: //%note jni_5 duke@435: if (isCopy != NULL) { duke@435: *isCopy = JNI_TRUE; duke@435: } duke@435: oop s = JNIHandles::resolve_non_null(string); duke@435: int s_len = java_lang_String::length(s); duke@435: typeArrayOop s_value = java_lang_String::value(s); duke@435: int s_offset = java_lang_String::offset(s); duke@435: jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1); // add one for zero termination duke@435: if (s_len > 0) { duke@435: memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); duke@435: } duke@435: buf[s_len] = 0; dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGCHARS_RETURN( dcubed@3202: buf); dcubed@3202: #endif /* USDT2 */ duke@435: return buf; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) duke@435: JNIWrapper("ReleaseStringChars"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( dcubed@3202: env, str, (uint16_t *) chars); dcubed@3202: #endif /* USDT2 */ duke@435: //%note jni_6 duke@435: if (chars != NULL) { duke@435: // Since String objects are supposed to be immutable, don't copy any duke@435: // new data back. A bad user will have to go after the char array. duke@435: FreeHeap((void*) chars); duke@435: } dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: duke@435: // UTF Interface duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(NewStringUTF, jstring); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(NewStringUTF, jstring dcubed@3202: , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) duke@435: JNIWrapper("NewStringUTF"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( dcubed@3202: env, (char *) bytes); dcubed@3202: #endif /* USDT2 */ duke@435: jstring ret; duke@435: DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); duke@435: duke@435: oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); duke@435: ret = (jstring) JNIHandles::make_local(env, result); duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) duke@435: JNIWrapper("GetStringUTFLength"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( dcubed@3202: env, string); dcubed@3202: #endif /* USDT2 */ duke@435: jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) duke@435: JNIWrapper("GetStringUTFChars"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( dcubed@3202: env, string, (uintptr_t *) isCopy); dcubed@3202: #endif /* USDT2 */ sla@2331: oop java_string = JNIHandles::resolve_non_null(string); sla@2331: size_t length = java_lang_String::utf8_length(java_string); sla@2331: char* result = AllocateHeap(length + 1, "GetStringUTFChars"); sla@2331: java_lang_String::as_utf8_string(java_string, result, (int) length + 1); duke@435: if (isCopy != NULL) *isCopy = JNI_TRUE; dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( dcubed@3202: result); dcubed@3202: #endif /* USDT2 */ duke@435: return result; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) duke@435: JNIWrapper("ReleaseStringUTFChars"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( dcubed@3202: env, str, (char *) chars); dcubed@3202: #endif /* USDT2 */ duke@435: if (chars != NULL) { duke@435: FreeHeap((char*) chars); duke@435: } dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: duke@435: JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) duke@435: JNIWrapper("GetArrayLength"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( dcubed@3202: env, array); dcubed@3202: #endif /* USDT2 */ duke@435: arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); duke@435: assert(a->is_array(), "must be array"); duke@435: jsize ret = a->length(); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETARRAYLENGTH_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: // duke@435: // Object Array Operations duke@435: // duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray dcubed@3202: , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) duke@435: JNIWrapper("NewObjectArray"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( dcubed@3202: env, length, elementClass, initialElement); dcubed@3202: #endif /* USDT2 */ duke@435: jobjectArray ret = NULL; duke@435: DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); duke@435: KlassHandle ek(THREAD, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(elementClass))); duke@435: klassOop ako = Klass::cast(ek())->array_klass(CHECK_NULL); duke@435: KlassHandle ak = KlassHandle(THREAD, ako); duke@435: objArrayKlass::cast(ak())->initialize(CHECK_NULL); duke@435: objArrayOop result = objArrayKlass::cast(ak())->allocate(length, CHECK_NULL); duke@435: oop initial_value = JNIHandles::resolve(initialElement); duke@435: if (initial_value != NULL) { // array already initialized with NULL duke@435: for (int index = 0; index < length; index++) { duke@435: result->obj_at_put(index, initial_value); duke@435: } duke@435: } duke@435: ret = (jobjectArray) JNIHandles::make_local(env, result); duke@435: return ret; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject dcubed@3202: , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) duke@435: JNIWrapper("GetObjectArrayElement"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( dcubed@3202: env, array, index); dcubed@3202: #endif /* USDT2 */ duke@435: jobject ret = NULL; duke@435: DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); duke@435: objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); duke@435: if (a->is_within_bounds(index)) { kamg@1469: ret = JNIHandles::make_local(env, a->obj_at(index)); duke@435: return ret; duke@435: } else { duke@435: char buf[jintAsStringSize]; duke@435: sprintf(buf, "%d", index); duke@435: THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); duke@435: } duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement dcubed@3202: , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) duke@435: JNIWrapper("SetObjectArrayElement"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( dcubed@3202: env, array, index, value); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(SetObjectArrayElement); duke@435: duke@435: objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); duke@435: oop v = JNIHandles::resolve(value); duke@435: if (a->is_within_bounds(index)) { duke@435: if (v == NULL || v->is_a(objArrayKlass::cast(a->klass())->element_klass())) { duke@435: a->obj_at_put(index, v); duke@435: } else { duke@435: THROW(vmSymbols::java_lang_ArrayStoreException()); duke@435: } duke@435: } else { duke@435: char buf[jintAsStringSize]; duke@435: sprintf(buf, "%d", index); duke@435: THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); duke@435: } duke@435: JNI_END duke@435: duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ duke@435: \ dcubed@3202: DT_RETURN_MARK_DECL(New##Result##Array, Return); \ duke@435: \ duke@435: JNI_ENTRY(Return, \ duke@435: jni_New##Result##Array(JNIEnv *env, jsize len)) \ duke@435: JNIWrapper("New" XSTR(Result) "Array"); \ duke@435: DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ duke@435: Return ret = NULL;\ kamg@1469: DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ duke@435: \ duke@435: oop obj= oopFactory::Allocator(len, CHECK_0); \ duke@435: ret = (Return) JNIHandles::make_local(env, obj); \ duke@435: return ret;\ duke@435: JNI_END duke@435: duke@435: DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) duke@435: DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) duke@435: DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) duke@435: DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) duke@435: DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) duke@435: DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) duke@435: DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) duke@435: DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ dcubed@3202: ,EntryProbe,ReturnProbe) \ dcubed@3202: \ dcubed@3202: DT_RETURN_MARK_DECL(New##Result##Array, Return \ dcubed@3202: , ReturnProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(Return, \ dcubed@3202: jni_New##Result##Array(JNIEnv *env, jsize len)) \ dcubed@3202: JNIWrapper("New" XSTR(Result) "Array"); \ dcubed@3202: EntryProbe; \ dcubed@3202: Return ret = NULL;\ dcubed@3202: DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ dcubed@3202: \ dcubed@3202: oop obj= oopFactory::Allocator(len, CHECK_0); \ dcubed@3202: ret = (Return) JNIHandles::make_local(env, obj); \ dcubed@3202: return ret;\ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, dcubed@3202: HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), dcubed@3202: HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) dcubed@3202: DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, dcubed@3202: HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), dcubed@3202: HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) dcubed@3202: DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, dcubed@3202: HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), dcubed@3202: HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) dcubed@3202: DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, dcubed@3202: HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), dcubed@3202: HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) dcubed@3202: DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, dcubed@3202: HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), dcubed@3202: HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) dcubed@3202: DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, dcubed@3202: HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), dcubed@3202: HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) dcubed@3202: DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, dcubed@3202: HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), dcubed@3202: HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) dcubed@3202: DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, dcubed@3202: HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), dcubed@3202: HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: // Return an address which will fault if the caller writes to it. duke@435: duke@435: static char* get_bad_address() { duke@435: static char* bad_address = NULL; duke@435: if (bad_address == NULL) { duke@435: size_t size = os::vm_allocation_granularity(); duke@435: bad_address = os::reserve_memory(size); duke@435: if (bad_address != NULL) { coleenp@912: os::protect_memory(bad_address, size, os::MEM_PROT_READ, coleenp@912: /*is_committed*/false); duke@435: } duke@435: } duke@435: return bad_address; duke@435: } duke@435: duke@435: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ duke@435: \ duke@435: JNI_QUICK_ENTRY(ElementType*, \ duke@435: jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ duke@435: JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ duke@435: DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ duke@435: /* allocate an chunk of memory in c land */ \ duke@435: typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ duke@435: ElementType* result; \ duke@435: int len = a->length(); \ duke@435: if (len == 0) { \ duke@435: /* Empty array: legal but useless, can't return NULL. \ duke@435: * Return a pointer to something useless. \ duke@435: * Avoid asserts in typeArrayOop. */ \ duke@435: result = (ElementType*)get_bad_address(); \ duke@435: } else { \ duke@435: result = NEW_C_HEAP_ARRAY(ElementType, len); \ duke@435: /* copy the array to the c chunk */ \ duke@435: memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ duke@435: } \ duke@435: if (isCopy) *isCopy = JNI_TRUE; \ duke@435: DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ duke@435: return result; \ duke@435: JNI_END duke@435: duke@435: DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) duke@435: DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) duke@435: DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) duke@435: DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) duke@435: DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) duke@435: DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) duke@435: DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) duke@435: DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe) \ dcubed@3202: \ dcubed@3202: JNI_QUICK_ENTRY(ElementType*, \ dcubed@3202: jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ dcubed@3202: JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ dcubed@3202: EntryProbe; \ dcubed@3202: /* allocate an chunk of memory in c land */ \ dcubed@3202: typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ dcubed@3202: ElementType* result; \ dcubed@3202: int len = a->length(); \ dcubed@3202: if (len == 0) { \ dcubed@3202: /* Empty array: legal but useless, can't return NULL. \ dcubed@3202: * Return a pointer to something useless. \ dcubed@3202: * Avoid asserts in typeArrayOop. */ \ dcubed@3202: result = (ElementType*)get_bad_address(); \ dcubed@3202: } else { \ dcubed@3202: result = NEW_C_HEAP_ARRAY(ElementType, len); \ dcubed@3202: /* copy the array to the c chunk */ \ dcubed@3202: memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ dcubed@3202: } \ dcubed@3202: if (isCopy) *isCopy = JNI_TRUE; \ dcubed@3202: ReturnProbe; \ dcubed@3202: return result; \ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool dcubed@3202: , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), dcubed@3202: HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) dcubed@3202: DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte dcubed@3202: , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), dcubed@3202: HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) dcubed@3202: DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short dcubed@3202: , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), dcubed@3202: HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) dcubed@3202: DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char dcubed@3202: , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), dcubed@3202: HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) dcubed@3202: DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int dcubed@3202: , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), dcubed@3202: HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) dcubed@3202: DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long dcubed@3202: , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), dcubed@3202: HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) dcubed@3202: // Float and double probes don't return value because dtrace doesn't currently support it dcubed@3202: DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float dcubed@3202: , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), dcubed@3202: HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) dcubed@3202: DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double dcubed@3202: , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), dcubed@3202: HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) dcubed@3202: #endif /* USDT2 */ dcubed@3202: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ duke@435: \ duke@435: JNI_QUICK_ENTRY(void, \ duke@435: jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ duke@435: ElementType *buf, jint mode)) \ duke@435: JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ duke@435: DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ duke@435: typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ duke@435: int len = a->length(); \ duke@435: if (len != 0) { /* Empty array: nothing to free or copy. */ \ duke@435: if ((mode == 0) || (mode == JNI_COMMIT)) { \ duke@435: memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ duke@435: } \ duke@435: if ((mode == 0) || (mode == JNI_ABORT)) { \ duke@435: FreeHeap(buf); \ duke@435: } \ duke@435: } \ duke@435: DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ duke@435: JNI_END duke@435: duke@435: DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) duke@435: DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) duke@435: DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) duke@435: DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) duke@435: DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) duke@435: DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) duke@435: DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) duke@435: DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ dcubed@3202: , EntryProbe, ReturnProbe);\ dcubed@3202: \ dcubed@3202: JNI_QUICK_ENTRY(void, \ dcubed@3202: jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ dcubed@3202: ElementType *buf, jint mode)) \ dcubed@3202: JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ dcubed@3202: EntryProbe; \ dcubed@3202: typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ dcubed@3202: int len = a->length(); \ dcubed@3202: if (len != 0) { /* Empty array: nothing to free or copy. */ \ dcubed@3202: if ((mode == 0) || (mode == JNI_COMMIT)) { \ dcubed@3202: memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ dcubed@3202: } \ dcubed@3202: if ((mode == 0) || (mode == JNI_ABORT)) { \ dcubed@3202: FreeHeap(buf); \ dcubed@3202: } \ dcubed@3202: } \ dcubed@3202: ReturnProbe; \ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool dcubed@3202: , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), dcubed@3202: HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) dcubed@3202: DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte dcubed@3202: , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), dcubed@3202: HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) dcubed@3202: DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short dcubed@3202: , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), dcubed@3202: HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) dcubed@3202: DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char dcubed@3202: , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), dcubed@3202: HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) dcubed@3202: DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int dcubed@3202: , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), dcubed@3202: HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) dcubed@3202: DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long dcubed@3202: , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), dcubed@3202: HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) dcubed@3202: DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float dcubed@3202: , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), dcubed@3202: HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) dcubed@3202: DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double dcubed@3202: , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), dcubed@3202: HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) dcubed@3202: #endif /* USDT2 */ dcubed@3202: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ duke@435: DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ duke@435: \ duke@435: JNI_ENTRY(void, \ duke@435: jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ duke@435: jsize len, ElementType *buf)) \ duke@435: JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ duke@435: DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ duke@435: DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ duke@435: typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ duke@435: if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ duke@435: THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ duke@435: } else { \ duke@435: if (len > 0) { \ duke@435: int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ duke@435: memcpy((u_char*) buf, \ duke@435: (u_char*) src->Tag##_at_addr(start), \ duke@435: len << sc); \ duke@435: } \ duke@435: } \ duke@435: JNI_END duke@435: duke@435: DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) duke@435: DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) duke@435: DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) duke@435: DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) duke@435: DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) duke@435: DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) duke@435: DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) duke@435: DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe); \ dcubed@3202: DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ dcubed@3202: , ReturnProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(void, \ dcubed@3202: jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ dcubed@3202: jsize len, ElementType *buf)) \ dcubed@3202: JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ dcubed@3202: EntryProbe; \ dcubed@3202: DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ dcubed@3202: typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ dcubed@3202: if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ dcubed@3202: THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ dcubed@3202: } else { \ dcubed@3202: if (len > 0) { \ dcubed@3202: int sc = typeArrayKlass::cast(src->klass())->log2_element_size(); \ dcubed@3202: memcpy((u_char*) buf, \ dcubed@3202: (u_char*) src->Tag##_at_addr(start), \ dcubed@3202: len << sc); \ dcubed@3202: } \ dcubed@3202: } \ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool dcubed@3202: , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), dcubed@3202: HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); dcubed@3202: DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte dcubed@3202: , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), dcubed@3202: HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); dcubed@3202: DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short dcubed@3202: , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), dcubed@3202: HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); dcubed@3202: DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char dcubed@3202: , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), dcubed@3202: HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); dcubed@3202: DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int dcubed@3202: , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), dcubed@3202: HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); dcubed@3202: DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long dcubed@3202: , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), dcubed@3202: HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); dcubed@3202: DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float dcubed@3202: , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), dcubed@3202: HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); dcubed@3202: DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double dcubed@3202: , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), dcubed@3202: HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); dcubed@3202: #endif /* USDT2 */ dcubed@3202: dcubed@3202: #ifndef USDT2 duke@435: #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ duke@435: DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ duke@435: \ duke@435: JNI_ENTRY(void, \ duke@435: jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ duke@435: jsize len, const ElementType *buf)) \ duke@435: JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ duke@435: DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ duke@435: DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ duke@435: typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ duke@435: if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ duke@435: THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ duke@435: } else { \ duke@435: if (len > 0) { \ duke@435: int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ duke@435: memcpy((u_char*) dst->Tag##_at_addr(start), \ duke@435: (u_char*) buf, \ duke@435: len << sc); \ duke@435: } \ duke@435: } \ duke@435: JNI_END duke@435: duke@435: DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) duke@435: DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) duke@435: DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) duke@435: DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) duke@435: DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) duke@435: DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) duke@435: DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) duke@435: DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) duke@435: dcubed@3202: #else /* USDT2 */ dcubed@3202: dcubed@3202: #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ dcubed@3202: , EntryProbe, ReturnProbe); \ dcubed@3202: DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ dcubed@3202: ,ReturnProbe); \ dcubed@3202: \ dcubed@3202: JNI_ENTRY(void, \ dcubed@3202: jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ dcubed@3202: jsize len, const ElementType *buf)) \ dcubed@3202: JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ dcubed@3202: EntryProbe; \ dcubed@3202: DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ dcubed@3202: typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ dcubed@3202: if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ dcubed@3202: THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ dcubed@3202: } else { \ dcubed@3202: if (len > 0) { \ dcubed@3202: int sc = typeArrayKlass::cast(dst->klass())->log2_element_size(); \ dcubed@3202: memcpy((u_char*) dst->Tag##_at_addr(start), \ dcubed@3202: (u_char*) buf, \ dcubed@3202: len << sc); \ dcubed@3202: } \ dcubed@3202: } \ dcubed@3202: JNI_END dcubed@3202: dcubed@3202: DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool dcubed@3202: , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), dcubed@3202: HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) dcubed@3202: DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte dcubed@3202: , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), dcubed@3202: HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) dcubed@3202: DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short dcubed@3202: , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), dcubed@3202: HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) dcubed@3202: DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char dcubed@3202: , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), dcubed@3202: HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) dcubed@3202: DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int dcubed@3202: , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), dcubed@3202: HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) dcubed@3202: DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long dcubed@3202: , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), dcubed@3202: HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) dcubed@3202: DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float dcubed@3202: , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), dcubed@3202: HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) dcubed@3202: DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double dcubed@3202: , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), dcubed@3202: HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) dcubed@3202: #endif /* USDT2 */ dcubed@3202: duke@435: duke@435: // duke@435: // Interception of natives duke@435: // duke@435: duke@435: // The RegisterNatives call being attempted tried to register with a method that duke@435: // is not native. Ask JVM TI what prefixes have been specified. Then check duke@435: // to see if the native method is now wrapped with the prefixes. See the duke@435: // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. duke@435: static methodOop find_prefixed_native(KlassHandle k, coleenp@2497: Symbol* name, Symbol* signature, TRAPS) { duke@435: ResourceMark rm(THREAD); duke@435: methodOop method; duke@435: int name_len = name->utf8_length(); duke@435: char* name_str = name->as_utf8(); duke@435: int prefix_count; duke@435: char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); duke@435: for (int i = 0; i < prefix_count; i++) { duke@435: char* prefix = prefixes[i]; duke@435: int prefix_len = (int)strlen(prefix); duke@435: duke@435: // try adding this prefix to the method name and see if it matches another method name duke@435: int trial_len = name_len + prefix_len; duke@435: char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); duke@435: strcpy(trial_name_str, prefix); duke@435: strcat(trial_name_str, name_str); coleenp@2497: TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); coleenp@2497: if (trial_name == NULL) { duke@435: continue; // no such symbol, so this prefix wasn't used, try the next prefix duke@435: } coleenp@2497: method = Klass::cast(k())->lookup_method(trial_name, signature); duke@435: if (method == NULL) { duke@435: continue; // signature doesn't match, try the next prefix duke@435: } duke@435: if (method->is_native()) { duke@435: method->set_is_prefixed_native(); duke@435: return method; // wahoo, we found a prefixed version of the method, return it duke@435: } duke@435: // found as non-native, so prefix is good, add it, probably just need more prefixes duke@435: name_len = trial_len; duke@435: name_str = trial_name_str; duke@435: } duke@435: return NULL; // not found duke@435: } duke@435: coleenp@2497: static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { coleenp@2497: methodOop method = Klass::cast(k())->lookup_method(name, signature); duke@435: if (method == NULL) { duke@435: ResourceMark rm; duke@435: stringStream st; duke@435: st.print("Method %s name or signature does not match", coleenp@2497: methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); duke@435: THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); duke@435: } duke@435: if (!method->is_native()) { duke@435: // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) duke@435: method = find_prefixed_native(k, name, signature, THREAD); duke@435: if (method == NULL) { duke@435: ResourceMark rm; duke@435: stringStream st; duke@435: st.print("Method %s is not declared as native", coleenp@2497: methodOopDesc::name_and_sig_as_C_string(Klass::cast(k()), name, signature)); duke@435: THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); duke@435: } duke@435: } duke@435: duke@435: if (entry != NULL) { duke@435: method->set_native_function(entry, duke@435: methodOopDesc::native_bind_event_is_interesting); duke@435: } else { duke@435: method->clear_native_function(); duke@435: } duke@435: if (PrintJNIResolving) { duke@435: ResourceMark rm(THREAD); duke@435: tty->print_cr("[Registering JNI native method %s.%s]", duke@435: Klass::cast(method->method_holder())->external_name(), duke@435: method->name()->as_C_string()); duke@435: } duke@435: return true; duke@435: } duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(RegisterNatives, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(RegisterNatives, jint dcubed@3202: , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, duke@435: const JNINativeMethod *methods, duke@435: jint nMethods)) duke@435: JNIWrapper("RegisterNatives"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_REGISTERNATIVES_ENTRY( dcubed@3202: env, clazz, (void *) methods, nMethods); dcubed@3202: #endif /* USDT2 */ duke@435: jint ret = 0; duke@435: DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); duke@435: duke@435: KlassHandle h_k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz))); duke@435: duke@435: for (int index = 0; index < nMethods; index++) { duke@435: const char* meth_name = methods[index].name; duke@435: const char* meth_sig = methods[index].signature; duke@435: int meth_name_len = (int)strlen(meth_name); duke@435: duke@435: // The class should have been loaded (we have an instance of the class duke@435: // passed in) so the method and signature should already be in the symbol duke@435: // table. If they're not there, the method doesn't exist. coleenp@2497: TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); coleenp@2497: TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); coleenp@2497: coleenp@2497: if (name == NULL || signature == NULL) { duke@435: ResourceMark rm; duke@435: stringStream st; duke@435: st.print("Method %s.%s%s not found", Klass::cast(h_k())->external_name(), meth_name, meth_sig); duke@435: // Must return negative value on failure duke@435: THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); duke@435: } duke@435: duke@435: bool res = register_native(h_k, name, signature, duke@435: (address) methods[index].fnPtr, THREAD); duke@435: if (!res) { duke@435: ret = -1; duke@435: break; duke@435: } duke@435: } duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) duke@435: JNIWrapper("UnregisterNatives"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( dcubed@3202: env, clazz); dcubed@3202: #endif /* USDT2 */ duke@435: klassOop k = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(clazz)); duke@435: //%note jni_2 duke@435: if (Klass::cast(k)->oop_is_instance()) { duke@435: for (int index = 0; index < instanceKlass::cast(k)->methods()->length(); index++) { duke@435: methodOop m = methodOop(instanceKlass::cast(k)->methods()->obj_at(index)); duke@435: if (m->is_native()) { duke@435: m->clear_native_function(); duke@435: m->set_signature_handler(NULL); duke@435: } duke@435: } duke@435: } dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( dcubed@3202: 0); dcubed@3202: #endif /* USDT2 */ duke@435: return 0; duke@435: JNI_END duke@435: duke@435: // duke@435: // Monitor functions duke@435: // duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(MonitorEnter, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(MonitorEnter, jint dcubed@3202: , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_MONITORENTER_ENTRY( dcubed@3202: env, jobj); dcubed@3202: #endif /* USDT2 */ duke@435: jint ret = JNI_ERR; duke@435: DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); duke@435: duke@435: // If the object is null, we can't do anything with it duke@435: if (jobj == NULL) { duke@435: THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); duke@435: } duke@435: duke@435: Handle obj(thread, JNIHandles::resolve_non_null(jobj)); duke@435: ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); duke@435: ret = JNI_OK; duke@435: return ret; duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(MonitorExit, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(MonitorExit, jint dcubed@3202: , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_MONITOREXIT_ENTRY( dcubed@3202: env, jobj); dcubed@3202: #endif /* USDT2 */ duke@435: jint ret = JNI_ERR; duke@435: DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); duke@435: duke@435: // Don't do anything with a null object duke@435: if (jobj == NULL) { duke@435: THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); duke@435: } duke@435: duke@435: Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); duke@435: ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); duke@435: duke@435: ret = JNI_OK; duke@435: return ret; duke@435: JNI_END duke@435: duke@435: // duke@435: // Extensions duke@435: // duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_VOID_RETURN_MARK_DECL(GetStringRegion); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_VOID_RETURN_MARK_DECL(GetStringRegion dcubed@3202: , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) duke@435: JNIWrapper("GetStringRegion"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGREGION_ENTRY( dcubed@3202: env, string, start, len, buf); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(GetStringRegion); duke@435: oop s = JNIHandles::resolve_non_null(string); duke@435: int s_len = java_lang_String::length(s); duke@435: if (start < 0 || len < 0 || start + len > s_len) { duke@435: THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); duke@435: } else { duke@435: if (len > 0) { duke@435: int s_offset = java_lang_String::offset(s); duke@435: typeArrayOop s_value = java_lang_String::value(s); duke@435: memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); duke@435: } duke@435: } duke@435: JNI_END duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion dcubed@3202: , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) duke@435: JNIWrapper("GetStringUTFRegion"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( dcubed@3202: env, string, start, len, buf); dcubed@3202: #endif /* USDT2 */ duke@435: DT_VOID_RETURN_MARK(GetStringUTFRegion); duke@435: oop s = JNIHandles::resolve_non_null(string); duke@435: int s_len = java_lang_String::length(s); duke@435: if (start < 0 || len < 0 || start + len > s_len) { duke@435: THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); duke@435: } else { duke@435: //%note jni_7 duke@435: if (len > 0) { duke@435: ResourceMark rm(THREAD); duke@435: char *utf_region = java_lang_String::as_utf8_string(s, start, len); duke@435: int utf_len = (int)strlen(utf_region); duke@435: memcpy(buf, utf_region, utf_len); duke@435: buf[utf_len] = 0; duke@435: } else { duke@435: // JDK null-terminates the buffer even in len is zero duke@435: if (buf != NULL) { duke@435: buf[0] = 0; duke@435: } duke@435: } duke@435: } duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) duke@435: JNIWrapper("GetPrimitiveArrayCritical"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( dcubed@3202: env, array, (uintptr_t *) isCopy); dcubed@3202: #endif /* USDT2 */ duke@435: GC_locker::lock_critical(thread); duke@435: if (isCopy != NULL) { duke@435: *isCopy = JNI_FALSE; duke@435: } duke@435: oop a = JNIHandles::resolve_non_null(array); duke@435: assert(a->is_array(), "just checking"); duke@435: BasicType type; duke@435: if (a->is_objArray()) { duke@435: type = T_OBJECT; duke@435: } else { duke@435: type = typeArrayKlass::cast(a->klass())->element_type(); duke@435: } duke@435: void* ret = arrayOop(a)->base(type); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) duke@435: JNIWrapper("ReleasePrimitiveArrayCritical"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( dcubed@3202: env, array, carray, mode); dcubed@3202: #endif /* USDT2 */ duke@435: // The array, carray and mode arguments are ignored duke@435: GC_locker::unlock_critical(thread); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) duke@435: JNIWrapper("GetStringCritical"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( dcubed@3202: env, string, (uintptr_t *) isCopy); dcubed@3202: #endif /* USDT2 */ duke@435: GC_locker::lock_critical(thread); duke@435: if (isCopy != NULL) { duke@435: *isCopy = JNI_FALSE; duke@435: } duke@435: oop s = JNIHandles::resolve_non_null(string); duke@435: int s_len = java_lang_String::length(s); duke@435: typeArrayOop s_value = java_lang_String::value(s); duke@435: int s_offset = java_lang_String::offset(s); duke@435: const jchar* ret; duke@435: if (s_len > 0) { duke@435: ret = s_value->char_at_addr(s_offset); duke@435: } else { duke@435: ret = (jchar*) s_value->base(T_CHAR); duke@435: } dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( dcubed@3202: (uint16_t *) ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) duke@435: JNIWrapper("ReleaseStringCritical"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( dcubed@3202: env, str, (uint16_t *) chars); dcubed@3202: #endif /* USDT2 */ duke@435: // The str and chars arguments are ignored duke@435: GC_locker::unlock_critical(thread); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: duke@435: JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) duke@435: JNIWrapper("jni_NewWeakGlobalRef"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( dcubed@3202: env, ref); dcubed@3202: #endif /* USDT2 */ duke@435: Handle ref_handle(thread, JNIHandles::resolve(ref)); duke@435: jweak ret = JNIHandles::make_weak_global(ref_handle); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: // Must be JNI_ENTRY (with HandleMark) duke@435: JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) duke@435: JNIWrapper("jni_DeleteWeakGlobalRef"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( dcubed@3202: env, ref); dcubed@3202: #endif /* USDT2 */ duke@435: JNIHandles::destroy_weak_global(ref); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( dcubed@3202: ); dcubed@3202: #endif /* USDT2 */ duke@435: JNI_END duke@435: duke@435: duke@435: JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) duke@435: JNIWrapper("jni_ExceptionCheck"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( dcubed@3202: env); dcubed@3202: #endif /* USDT2 */ duke@435: jni_check_async_exceptions(thread); duke@435: jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: JNI_END duke@435: duke@435: duke@435: // Initialization state for three routines below relating to duke@435: // java.nio.DirectBuffers duke@435: static jint directBufferSupportInitializeStarted = 0; duke@435: static volatile jint directBufferSupportInitializeEnded = 0; duke@435: static volatile jint directBufferSupportInitializeFailed = 0; duke@435: static jclass bufferClass = NULL; duke@435: static jclass directBufferClass = NULL; duke@435: static jclass directByteBufferClass = NULL; duke@435: static jmethodID directByteBufferConstructor = NULL; duke@435: static jfieldID directBufferAddressField = NULL; duke@435: static jfieldID bufferCapacityField = NULL; duke@435: duke@435: static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { duke@435: Handle loader; // null (bootstrap) loader duke@435: Handle protection_domain; // null protection domain duke@435: coleenp@2497: TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); acorn@1092: jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); acorn@1092: acorn@1092: if (TraceClassResolution && result != NULL) { acorn@1092: trace_class_resolution(java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(result))); acorn@1092: } acorn@1092: return result; duke@435: } duke@435: duke@435: // These lookups are done with the NULL (bootstrap) ClassLoader to duke@435: // circumvent any security checks that would be done by jni_FindClass. duke@435: JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) duke@435: { duke@435: if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } duke@435: if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } duke@435: if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } duke@435: return true; duke@435: } duke@435: JNI_END duke@435: duke@435: duke@435: static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { duke@435: if (directBufferSupportInitializeFailed) { duke@435: return false; duke@435: } duke@435: duke@435: if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { duke@435: if (!lookupDirectBufferClasses(env)) { duke@435: directBufferSupportInitializeFailed = 1; duke@435: return false; duke@435: } duke@435: duke@435: // Make global references for these duke@435: bufferClass = (jclass) env->NewGlobalRef(bufferClass); duke@435: directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); duke@435: directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); duke@435: duke@435: // Get needed field and method IDs duke@435: directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "", "(JI)V"); duke@435: directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); duke@435: bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); duke@435: duke@435: if ((directByteBufferConstructor == NULL) || duke@435: (directBufferAddressField == NULL) || duke@435: (bufferCapacityField == NULL)) { duke@435: directBufferSupportInitializeFailed = 1; duke@435: return false; duke@435: } duke@435: duke@435: directBufferSupportInitializeEnded = 1; duke@435: } else { duke@435: while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { xlu@956: // Set state as yield_all can call os:sleep. On Solaris, yield_all calls xlu@956: // os::sleep which requires the VM state transition. On other platforms, it xlu@956: // is not necessary. The following call to change the VM state is purposely xlu@956: // put inside the loop to avoid potential deadlock when multiple threads xlu@956: // try to call this method. See 6791815 for more details. xlu@956: ThreadInVMfromNative tivn(thread); duke@435: os::yield_all(); duke@435: } duke@435: } duke@435: duke@435: return !directBufferSupportInitializeFailed; duke@435: } duke@435: duke@435: extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) duke@435: { duke@435: // thread_from_jni_environment() will block if VM is gone. duke@435: JavaThread* thread = JavaThread::thread_from_jni_environment(env); duke@435: duke@435: JNIWrapper("jni_NewDirectByteBuffer"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( dcubed@3202: env, address, capacity); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: if (!directBufferSupportInitializeEnded) { duke@435: if (!initializeDirectBufferSupport(env, thread)) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( dcubed@3202: NULL); dcubed@3202: #endif /* USDT2 */ duke@435: return NULL; duke@435: } duke@435: } duke@435: duke@435: // Being paranoid about accidental sign extension on address duke@435: jlong addr = (jlong) ((uintptr_t) address); duke@435: // NOTE that package-private DirectByteBuffer constructor currently duke@435: // takes int capacity duke@435: jint cap = (jint) capacity; duke@435: jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: } duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* dcubed@3202: , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) duke@435: { duke@435: // thread_from_jni_environment() will block if VM is gone. duke@435: JavaThread* thread = JavaThread::thread_from_jni_environment(env); duke@435: duke@435: JNIWrapper("jni_GetDirectBufferAddress"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( dcubed@3202: env, buf); dcubed@3202: #endif /* USDT2 */ duke@435: void* ret = NULL; duke@435: DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); duke@435: duke@435: if (!directBufferSupportInitializeEnded) { duke@435: if (!initializeDirectBufferSupport(env, thread)) { duke@435: return 0; duke@435: } duke@435: } duke@435: duke@435: if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { duke@435: return 0; duke@435: } duke@435: duke@435: ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); duke@435: return ret; duke@435: } duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong dcubed@3202: , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) duke@435: { duke@435: // thread_from_jni_environment() will block if VM is gone. duke@435: JavaThread* thread = JavaThread::thread_from_jni_environment(env); duke@435: duke@435: JNIWrapper("jni_GetDirectBufferCapacity"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( dcubed@3202: env, buf); dcubed@3202: #endif /* USDT2 */ duke@435: jlong ret = -1; duke@435: DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); duke@435: duke@435: if (!directBufferSupportInitializeEnded) { duke@435: if (!initializeDirectBufferSupport(env, thread)) { duke@435: ret = 0; duke@435: return ret; duke@435: } duke@435: } duke@435: duke@435: if (buf == NULL) { duke@435: return -1; duke@435: } duke@435: duke@435: if (!env->IsInstanceOf(buf, directBufferClass)) { duke@435: return -1; duke@435: } duke@435: duke@435: // NOTE that capacity is currently an int in the implementation duke@435: ret = env->GetIntField(buf, bufferCapacityField); duke@435: return ret; duke@435: } duke@435: duke@435: duke@435: JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) duke@435: JNIWrapper("GetVersion"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETVERSION_ENTRY( dcubed@3202: env); dcubed@3202: #endif /* USDT2 */ dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETVERSION_RETURN( dcubed@3202: CurrentVersion); dcubed@3202: #endif /* USDT2 */ duke@435: return CurrentVersion; duke@435: JNI_END duke@435: duke@435: extern struct JavaVM_ main_vm; duke@435: duke@435: JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) duke@435: JNIWrapper("jni_GetJavaVM"); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETJAVAVM_ENTRY( dcubed@3202: env, (void **) vm); dcubed@3202: #endif /* USDT2 */ duke@435: *vm = (JavaVM *)(&main_vm); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETJAVAVM_RETURN( dcubed@3202: JNI_OK); dcubed@3202: #endif /* USDT2 */ duke@435: return JNI_OK; duke@435: JNI_END duke@435: duke@435: // Structure containing all jni functions duke@435: struct JNINativeInterface_ jni_NativeInterface = { duke@435: NULL, duke@435: NULL, duke@435: NULL, duke@435: duke@435: NULL, duke@435: duke@435: jni_GetVersion, duke@435: duke@435: jni_DefineClass, duke@435: jni_FindClass, duke@435: duke@435: jni_FromReflectedMethod, duke@435: jni_FromReflectedField, duke@435: duke@435: jni_ToReflectedMethod, duke@435: duke@435: jni_GetSuperclass, duke@435: jni_IsAssignableFrom, duke@435: duke@435: jni_ToReflectedField, duke@435: duke@435: jni_Throw, duke@435: jni_ThrowNew, duke@435: jni_ExceptionOccurred, duke@435: jni_ExceptionDescribe, duke@435: jni_ExceptionClear, duke@435: jni_FatalError, duke@435: duke@435: jni_PushLocalFrame, duke@435: jni_PopLocalFrame, duke@435: duke@435: jni_NewGlobalRef, duke@435: jni_DeleteGlobalRef, duke@435: jni_DeleteLocalRef, duke@435: jni_IsSameObject, duke@435: duke@435: jni_NewLocalRef, duke@435: jni_EnsureLocalCapacity, duke@435: duke@435: jni_AllocObject, duke@435: jni_NewObject, duke@435: jni_NewObjectV, duke@435: jni_NewObjectA, duke@435: duke@435: jni_GetObjectClass, duke@435: jni_IsInstanceOf, duke@435: duke@435: jni_GetMethodID, duke@435: duke@435: jni_CallObjectMethod, duke@435: jni_CallObjectMethodV, duke@435: jni_CallObjectMethodA, duke@435: jni_CallBooleanMethod, duke@435: jni_CallBooleanMethodV, duke@435: jni_CallBooleanMethodA, duke@435: jni_CallByteMethod, duke@435: jni_CallByteMethodV, duke@435: jni_CallByteMethodA, duke@435: jni_CallCharMethod, duke@435: jni_CallCharMethodV, duke@435: jni_CallCharMethodA, duke@435: jni_CallShortMethod, duke@435: jni_CallShortMethodV, duke@435: jni_CallShortMethodA, duke@435: jni_CallIntMethod, duke@435: jni_CallIntMethodV, duke@435: jni_CallIntMethodA, duke@435: jni_CallLongMethod, duke@435: jni_CallLongMethodV, duke@435: jni_CallLongMethodA, duke@435: jni_CallFloatMethod, duke@435: jni_CallFloatMethodV, duke@435: jni_CallFloatMethodA, duke@435: jni_CallDoubleMethod, duke@435: jni_CallDoubleMethodV, duke@435: jni_CallDoubleMethodA, duke@435: jni_CallVoidMethod, duke@435: jni_CallVoidMethodV, duke@435: jni_CallVoidMethodA, duke@435: duke@435: jni_CallNonvirtualObjectMethod, duke@435: jni_CallNonvirtualObjectMethodV, duke@435: jni_CallNonvirtualObjectMethodA, duke@435: jni_CallNonvirtualBooleanMethod, duke@435: jni_CallNonvirtualBooleanMethodV, duke@435: jni_CallNonvirtualBooleanMethodA, duke@435: jni_CallNonvirtualByteMethod, duke@435: jni_CallNonvirtualByteMethodV, duke@435: jni_CallNonvirtualByteMethodA, duke@435: jni_CallNonvirtualCharMethod, duke@435: jni_CallNonvirtualCharMethodV, duke@435: jni_CallNonvirtualCharMethodA, duke@435: jni_CallNonvirtualShortMethod, duke@435: jni_CallNonvirtualShortMethodV, duke@435: jni_CallNonvirtualShortMethodA, duke@435: jni_CallNonvirtualIntMethod, duke@435: jni_CallNonvirtualIntMethodV, duke@435: jni_CallNonvirtualIntMethodA, duke@435: jni_CallNonvirtualLongMethod, duke@435: jni_CallNonvirtualLongMethodV, duke@435: jni_CallNonvirtualLongMethodA, duke@435: jni_CallNonvirtualFloatMethod, duke@435: jni_CallNonvirtualFloatMethodV, duke@435: jni_CallNonvirtualFloatMethodA, duke@435: jni_CallNonvirtualDoubleMethod, duke@435: jni_CallNonvirtualDoubleMethodV, duke@435: jni_CallNonvirtualDoubleMethodA, duke@435: jni_CallNonvirtualVoidMethod, duke@435: jni_CallNonvirtualVoidMethodV, duke@435: jni_CallNonvirtualVoidMethodA, duke@435: duke@435: jni_GetFieldID, duke@435: duke@435: jni_GetObjectField, duke@435: jni_GetBooleanField, duke@435: jni_GetByteField, duke@435: jni_GetCharField, duke@435: jni_GetShortField, duke@435: jni_GetIntField, duke@435: jni_GetLongField, duke@435: jni_GetFloatField, duke@435: jni_GetDoubleField, duke@435: duke@435: jni_SetObjectField, duke@435: jni_SetBooleanField, duke@435: jni_SetByteField, duke@435: jni_SetCharField, duke@435: jni_SetShortField, duke@435: jni_SetIntField, duke@435: jni_SetLongField, duke@435: jni_SetFloatField, duke@435: jni_SetDoubleField, duke@435: duke@435: jni_GetStaticMethodID, duke@435: duke@435: jni_CallStaticObjectMethod, duke@435: jni_CallStaticObjectMethodV, duke@435: jni_CallStaticObjectMethodA, duke@435: jni_CallStaticBooleanMethod, duke@435: jni_CallStaticBooleanMethodV, duke@435: jni_CallStaticBooleanMethodA, duke@435: jni_CallStaticByteMethod, duke@435: jni_CallStaticByteMethodV, duke@435: jni_CallStaticByteMethodA, duke@435: jni_CallStaticCharMethod, duke@435: jni_CallStaticCharMethodV, duke@435: jni_CallStaticCharMethodA, duke@435: jni_CallStaticShortMethod, duke@435: jni_CallStaticShortMethodV, duke@435: jni_CallStaticShortMethodA, duke@435: jni_CallStaticIntMethod, duke@435: jni_CallStaticIntMethodV, duke@435: jni_CallStaticIntMethodA, duke@435: jni_CallStaticLongMethod, duke@435: jni_CallStaticLongMethodV, duke@435: jni_CallStaticLongMethodA, duke@435: jni_CallStaticFloatMethod, duke@435: jni_CallStaticFloatMethodV, duke@435: jni_CallStaticFloatMethodA, duke@435: jni_CallStaticDoubleMethod, duke@435: jni_CallStaticDoubleMethodV, duke@435: jni_CallStaticDoubleMethodA, duke@435: jni_CallStaticVoidMethod, duke@435: jni_CallStaticVoidMethodV, duke@435: jni_CallStaticVoidMethodA, duke@435: duke@435: jni_GetStaticFieldID, duke@435: duke@435: jni_GetStaticObjectField, duke@435: jni_GetStaticBooleanField, duke@435: jni_GetStaticByteField, duke@435: jni_GetStaticCharField, duke@435: jni_GetStaticShortField, duke@435: jni_GetStaticIntField, duke@435: jni_GetStaticLongField, duke@435: jni_GetStaticFloatField, duke@435: jni_GetStaticDoubleField, duke@435: duke@435: jni_SetStaticObjectField, duke@435: jni_SetStaticBooleanField, duke@435: jni_SetStaticByteField, duke@435: jni_SetStaticCharField, duke@435: jni_SetStaticShortField, duke@435: jni_SetStaticIntField, duke@435: jni_SetStaticLongField, duke@435: jni_SetStaticFloatField, duke@435: jni_SetStaticDoubleField, duke@435: duke@435: jni_NewString, duke@435: jni_GetStringLength, duke@435: jni_GetStringChars, duke@435: jni_ReleaseStringChars, duke@435: duke@435: jni_NewStringUTF, duke@435: jni_GetStringUTFLength, duke@435: jni_GetStringUTFChars, duke@435: jni_ReleaseStringUTFChars, duke@435: duke@435: jni_GetArrayLength, duke@435: duke@435: jni_NewObjectArray, duke@435: jni_GetObjectArrayElement, duke@435: jni_SetObjectArrayElement, duke@435: duke@435: jni_NewBooleanArray, duke@435: jni_NewByteArray, duke@435: jni_NewCharArray, duke@435: jni_NewShortArray, duke@435: jni_NewIntArray, duke@435: jni_NewLongArray, duke@435: jni_NewFloatArray, duke@435: jni_NewDoubleArray, duke@435: duke@435: jni_GetBooleanArrayElements, duke@435: jni_GetByteArrayElements, duke@435: jni_GetCharArrayElements, duke@435: jni_GetShortArrayElements, duke@435: jni_GetIntArrayElements, duke@435: jni_GetLongArrayElements, duke@435: jni_GetFloatArrayElements, duke@435: jni_GetDoubleArrayElements, duke@435: duke@435: jni_ReleaseBooleanArrayElements, duke@435: jni_ReleaseByteArrayElements, duke@435: jni_ReleaseCharArrayElements, duke@435: jni_ReleaseShortArrayElements, duke@435: jni_ReleaseIntArrayElements, duke@435: jni_ReleaseLongArrayElements, duke@435: jni_ReleaseFloatArrayElements, duke@435: jni_ReleaseDoubleArrayElements, duke@435: duke@435: jni_GetBooleanArrayRegion, duke@435: jni_GetByteArrayRegion, duke@435: jni_GetCharArrayRegion, duke@435: jni_GetShortArrayRegion, duke@435: jni_GetIntArrayRegion, duke@435: jni_GetLongArrayRegion, duke@435: jni_GetFloatArrayRegion, duke@435: jni_GetDoubleArrayRegion, duke@435: duke@435: jni_SetBooleanArrayRegion, duke@435: jni_SetByteArrayRegion, duke@435: jni_SetCharArrayRegion, duke@435: jni_SetShortArrayRegion, duke@435: jni_SetIntArrayRegion, duke@435: jni_SetLongArrayRegion, duke@435: jni_SetFloatArrayRegion, duke@435: jni_SetDoubleArrayRegion, duke@435: duke@435: jni_RegisterNatives, duke@435: jni_UnregisterNatives, duke@435: duke@435: jni_MonitorEnter, duke@435: jni_MonitorExit, duke@435: duke@435: jni_GetJavaVM, duke@435: duke@435: jni_GetStringRegion, duke@435: jni_GetStringUTFRegion, duke@435: duke@435: jni_GetPrimitiveArrayCritical, duke@435: jni_ReleasePrimitiveArrayCritical, duke@435: duke@435: jni_GetStringCritical, duke@435: jni_ReleaseStringCritical, duke@435: duke@435: jni_NewWeakGlobalRef, duke@435: jni_DeleteWeakGlobalRef, duke@435: duke@435: jni_ExceptionCheck, duke@435: duke@435: jni_NewDirectByteBuffer, duke@435: jni_GetDirectBufferAddress, duke@435: jni_GetDirectBufferCapacity, duke@435: duke@435: // New 1_6 features duke@435: duke@435: jni_GetObjectRefType duke@435: }; duke@435: duke@435: duke@435: // For jvmti use to modify jni function table. duke@435: // Java threads in native contiues to run until it is transitioned duke@435: // to VM at safepoint. Before the transition or before it is blocked duke@435: // for safepoint it may access jni function table. VM could crash if duke@435: // any java thread access the jni function table in the middle of memcpy. duke@435: // To avoid this each function pointers are copied automically. duke@435: void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { duke@435: assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); duke@435: intptr_t *a = (intptr_t *) jni_functions(); duke@435: intptr_t *b = (intptr_t *) new_jni_NativeInterface; duke@435: for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { duke@435: Atomic::store_ptr(*b++, a++); duke@435: } duke@435: } duke@435: duke@435: void quicken_jni_functions() { duke@435: // Replace GetField with fast versions duke@435: if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() duke@435: && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls duke@435: #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) duke@435: // windows x86 currently needs SEH wrapper and the gain of the fast duke@435: // versions currently isn't certain for server vm on uniprocessor. duke@435: && os::is_MP() duke@435: #endif duke@435: ) { duke@435: address func; duke@435: func = JNI_FastGetField::generate_fast_get_boolean_field(); duke@435: if (func != (address)-1) { duke@435: jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; duke@435: } duke@435: func = JNI_FastGetField::generate_fast_get_byte_field(); duke@435: if (func != (address)-1) { duke@435: jni_NativeInterface.GetByteField = (GetByteField_t)func; duke@435: } duke@435: func = JNI_FastGetField::generate_fast_get_char_field(); duke@435: if (func != (address)-1) { duke@435: jni_NativeInterface.GetCharField = (GetCharField_t)func; duke@435: } duke@435: func = JNI_FastGetField::generate_fast_get_short_field(); duke@435: if (func != (address)-1) { duke@435: jni_NativeInterface.GetShortField = (GetShortField_t)func; duke@435: } duke@435: func = JNI_FastGetField::generate_fast_get_int_field(); duke@435: if (func != (address)-1) { duke@435: jni_NativeInterface.GetIntField = (GetIntField_t)func; duke@435: } duke@435: func = JNI_FastGetField::generate_fast_get_long_field(); duke@435: if (func != (address)-1) { duke@435: jni_NativeInterface.GetLongField = (GetLongField_t)func; duke@435: } duke@435: func = JNI_FastGetField::generate_fast_get_float_field(); duke@435: if (func != (address)-1) { duke@435: jni_NativeInterface.GetFloatField = (GetFloatField_t)func; duke@435: } duke@435: func = JNI_FastGetField::generate_fast_get_double_field(); duke@435: if (func != (address)-1) { duke@435: jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; duke@435: } duke@435: } duke@435: } duke@435: duke@435: // Returns the function structure duke@435: struct JNINativeInterface_* jni_functions() { duke@435: #ifndef JNICHECK_KERNEL duke@435: if (CheckJNICalls) return jni_functions_check(); duke@435: #else // JNICHECK_KERNEL duke@435: if (CheckJNICalls) warning("-Xcheck:jni is not supported in kernel vm."); duke@435: #endif // JNICHECK_KERNEL duke@435: return &jni_NativeInterface; duke@435: } duke@435: duke@435: // Returns the function structure duke@435: struct JNINativeInterface_* jni_functions_nocheck() { duke@435: return &jni_NativeInterface; duke@435: } duke@435: duke@435: duke@435: // Invocation API duke@435: duke@435: duke@435: // Forward declaration duke@435: extern const struct JNIInvokeInterface_ jni_InvokeInterface; duke@435: duke@435: // Global invocation API vars duke@435: volatile jint vm_created = 0; duke@435: // Indicate whether it is safe to recreate VM duke@435: volatile jint safe_to_recreate_vm = 1; duke@435: struct JavaVM_ main_vm = {&jni_InvokeInterface}; duke@435: duke@435: duke@435: #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ duke@435: enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; duke@435: dcubed@3202: #ifndef USDT2 duke@435: HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); duke@435: DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint dcubed@3202: , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { dcubed@3202: #ifndef USDT2 duke@435: HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( dcubed@3202: args_); dcubed@3202: #endif /* USDT2 */ duke@435: JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; duke@435: jint ret = JNI_ERR; duke@435: DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); duke@435: duke@435: if (Threads::is_supported_jni_version(args->version)) { duke@435: ret = JNI_OK; duke@435: } duke@435: // 1.1 style no longer supported in hotspot. duke@435: // According the JNI spec, we should update args->version on return. duke@435: // We also use the structure to communicate with launcher about default duke@435: // stack size. duke@435: if (args->version == JNI_VERSION_1_1) { duke@435: args->version = JNI_VERSION_1_2; duke@435: // javaStackSize is int in arguments structure duke@435: assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); duke@435: args->javaStackSize = (jint)(ThreadStackSize * K); duke@435: } duke@435: return ret; duke@435: } duke@435: brutisso@2976: #ifndef PRODUCT brutisso@2976: stefank@3335: #include "gc_interface/collectedHeap.hpp" brutisso@2976: #include "utilities/quickSort.hpp" brutisso@2976: stefank@3335: #define run_unit_test(unit_test_function_call) \ stefank@3335: tty->print_cr("Running test: " #unit_test_function_call); \ stefank@3335: unit_test_function_call stefank@3335: brutisso@2976: void execute_internal_vm_tests() { brutisso@2976: if (ExecuteInternalVMTests) { stefank@3335: tty->print_cr("Running internal VM tests"); stefank@3335: run_unit_test(arrayOopDesc::test_max_array_length()); stefank@3335: run_unit_test(CollectedHeap::test_is_in()); stefank@3335: run_unit_test(QuickSort::test_quick_sort()); brutisso@3266: tty->print_cr("All internal VM tests passed"); brutisso@2976: } brutisso@2976: } brutisso@2976: stefank@3335: #undef run_unit_test stefank@3335: brutisso@2976: #endif brutisso@2976: dcubed@3202: #ifndef USDT2 duke@435: HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); duke@435: DT_RETURN_MARK_DECL(CreateJavaVM, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(CreateJavaVM, jint dcubed@3202: , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { dcubed@3202: #ifndef USDT2 duke@435: HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_CREATEJAVAVM_ENTRY( dcubed@3202: (void **) vm, penv, args); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: jint result = JNI_ERR; duke@435: DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); duke@435: twisti@1513: // We're about to use Atomic::xchg for synchronization. Some Zero twisti@1513: // platforms use the GCC builtin __sync_lock_test_and_set for this, twisti@1513: // but __sync_lock_test_and_set is not guaranteed to do what we want twisti@1513: // on all architectures. So we check it works before relying on it. twisti@1513: #if defined(ZERO) && defined(ASSERT) twisti@1513: { twisti@1513: jint a = 0xcafebabe; twisti@1513: jint b = Atomic::xchg(0xdeadbeef, &a); twisti@1513: void *c = &a; twisti@1513: void *d = Atomic::xchg_ptr(&b, &c); twisti@1567: assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); twisti@1513: assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); twisti@1513: } twisti@1513: #endif // ZERO && ASSERT twisti@1513: duke@435: // At the moment it's only possible to have one Java VM, duke@435: // since some of the runtime state is in global variables. duke@435: duke@435: // We cannot use our mutex locks here, since they only work on duke@435: // Threads. We do an atomic compare and exchange to ensure only duke@435: // one thread can call this method at a time duke@435: duke@435: // We use Atomic::xchg rather than Atomic::add/dec since on some platforms duke@435: // the add/dec implementations are dependent on whether we are running duke@435: // on a multiprocessor, and at this stage of initialization the os::is_MP duke@435: // function used to determine this will always return false. Atomic::xchg duke@435: // does not have this problem. duke@435: if (Atomic::xchg(1, &vm_created) == 1) { duke@435: return JNI_ERR; // already created, or create attempt in progress duke@435: } duke@435: if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { duke@435: return JNI_ERR; // someone tried and failed and retry not allowed. duke@435: } duke@435: duke@435: assert(vm_created == 1, "vm_created is true during the creation"); duke@435: duke@435: /** duke@435: * Certain errors during initialization are recoverable and do not duke@435: * prevent this method from being called again at a later time duke@435: * (perhaps with different arguments). However, at a certain duke@435: * point during initialization if an error occurs we cannot allow duke@435: * this function to be called again (or it will crash). In those duke@435: * situations, the 'canTryAgain' flag is set to false, which atomically duke@435: * sets safe_to_recreate_vm to 1, such that any new call to duke@435: * JNI_CreateJavaVM will immediately fail using the above logic. duke@435: */ duke@435: bool can_try_again = true; duke@435: duke@435: result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); duke@435: if (result == JNI_OK) { duke@435: JavaThread *thread = JavaThread::current(); duke@435: /* thread is thread_in_vm here */ duke@435: *vm = (JavaVM *)(&main_vm); duke@435: *(JNIEnv**)penv = thread->jni_environment(); duke@435: duke@435: // Tracks the time application was running before GC duke@435: RuntimeService::record_application_start(); duke@435: duke@435: // Notify JVMTI duke@435: if (JvmtiExport::should_post_thread_life()) { duke@435: JvmtiExport::post_thread_start(thread); duke@435: } phh@3427: phh@3427: EVENT_BEGIN(TraceEventThreadStart, event); phh@3427: EVENT_COMMIT(event, phh@3427: EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); phh@3427: duke@435: // Check if we should compile all classes on bootclasspath duke@435: NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) duke@435: // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. duke@435: ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); duke@435: } else { duke@435: if (can_try_again) { duke@435: // reset safe_to_recreate_vm to 1 so that retrial would be possible duke@435: safe_to_recreate_vm = 1; duke@435: } duke@435: duke@435: // Creation failed. We must reset vm_created duke@435: *vm = 0; duke@435: *(JNIEnv**)penv = 0; duke@435: // reset vm_created last to avoid race condition. Use OrderAccess to duke@435: // control both compiler and architectural-based reordering. duke@435: OrderAccess::release_store(&vm_created, 0); duke@435: } duke@435: jcoomes@1845: NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); brutisso@2976: NOT_PRODUCT(execute_internal_vm_tests()); duke@435: return result; duke@435: } duke@435: dcubed@3202: #ifndef USDT2 duke@435: HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ duke@435: JavaVM**, jsize, jsize*); duke@435: HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); dcubed@3202: #endif /* !USDT2 */ duke@435: duke@435: _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { duke@435: // See bug 4367188, the wrapper can sometimes cause VM crashes duke@435: // JNIWrapper("GetCreatedJavaVMs"); dcubed@3202: #ifndef USDT2 duke@435: HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ duke@435: vm_buf, bufLen, numVMs); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( dcubed@3202: (void **) vm_buf, bufLen, (uintptr_t *) numVMs); dcubed@3202: #endif /* USDT2 */ duke@435: if (vm_created) { duke@435: if (numVMs != NULL) *numVMs = 1; duke@435: if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); duke@435: } else { duke@435: if (numVMs != NULL) *numVMs = 0; duke@435: } dcubed@3202: #ifndef USDT2 duke@435: HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( dcubed@3202: JNI_OK); dcubed@3202: #endif /* USDT2 */ duke@435: return JNI_OK; duke@435: } duke@435: duke@435: extern "C" { duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(DestroyJavaVM, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(DestroyJavaVM, jint dcubed@3202: , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( dcubed@3202: vm); dcubed@3202: #endif /* USDT2 */ duke@435: jint res = JNI_ERR; duke@435: DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); duke@435: duke@435: if (!vm_created) { duke@435: res = JNI_ERR; duke@435: return res; duke@435: } duke@435: duke@435: JNIWrapper("DestroyJavaVM"); duke@435: JNIEnv *env; duke@435: JavaVMAttachArgs destroyargs; duke@435: destroyargs.version = CurrentVersion; duke@435: destroyargs.name = (char *)"DestroyJavaVM"; duke@435: destroyargs.group = NULL; duke@435: res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); duke@435: if (res != JNI_OK) { duke@435: return res; duke@435: } duke@435: duke@435: // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. duke@435: JavaThread* thread = JavaThread::current(); duke@435: ThreadStateTransition::transition_from_native(thread, _thread_in_vm); duke@435: if (Threads::destroy_vm()) { duke@435: // Should not change thread state, VM is gone duke@435: vm_created = false; duke@435: res = JNI_OK; duke@435: return res; duke@435: } else { duke@435: ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); duke@435: res = JNI_ERR; duke@435: return res; duke@435: } duke@435: } duke@435: duke@435: duke@435: static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { duke@435: JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; duke@435: duke@435: // Check below commented out from JDK1.2fcs as well duke@435: /* duke@435: if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { duke@435: return JNI_EVERSION; duke@435: } duke@435: */ duke@435: duke@435: Thread* t = ThreadLocalStorage::get_thread_slow(); duke@435: if (t != NULL) { duke@435: // If the thread has been attached this operation is a no-op duke@435: *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); duke@435: return JNI_OK; duke@435: } duke@435: duke@435: // Create a thread and mark it as attaching so it will be skipped by the duke@435: // ThreadsListEnumerator - see CR 6404306 duke@435: JavaThread* thread = new JavaThread(true); duke@435: duke@435: // Set correct safepoint info. The thread is going to call into Java when duke@435: // initializing the Java level thread object. Hence, the correct state must duke@435: // be set in order for the Safepoint code to deal with it correctly. duke@435: thread->set_thread_state(_thread_in_vm); duke@435: // Must do this before initialize_thread_local_storage duke@435: thread->record_stack_base_and_size(); coleenp@1725: duke@435: thread->initialize_thread_local_storage(); duke@435: duke@435: if (!os::create_attached_thread(thread)) { duke@435: delete thread; duke@435: return JNI_ERR; duke@435: } coleenp@1725: // Enable stack overflow checks coleenp@1725: thread->create_stack_guard_pages(); coleenp@1725: duke@435: thread->initialize_tlab(); duke@435: bobv@2036: thread->cache_global_variables(); bobv@2036: duke@435: // Crucial that we do not have a safepoint check for this thread, since it has duke@435: // not been added to the Thread list yet. duke@435: { Threads_lock->lock_without_safepoint_check(); duke@435: // This must be inside this lock in order to get FullGCALot to work properly, i.e., to duke@435: // avoid this thread trying to do a GC before it is added to the thread-list duke@435: thread->set_active_handles(JNIHandleBlock::allocate_block()); duke@435: Threads::add(thread, daemon); duke@435: Threads_lock->unlock(); duke@435: } duke@435: // Create thread group and name info from attach arguments duke@435: oop group = NULL; duke@435: char* thread_name = NULL; duke@435: if (args != NULL && Threads::is_supported_jni_version(args->version)) { duke@435: group = JNIHandles::resolve(args->group); duke@435: thread_name = args->name; // may be NULL duke@435: } duke@435: if (group == NULL) group = Universe::main_thread_group(); duke@435: duke@435: // Create Java level thread object and attach it to this thread duke@435: bool attach_failed = false; duke@435: { duke@435: EXCEPTION_MARK; duke@435: HandleMark hm(THREAD); duke@435: Handle thread_group(THREAD, group); duke@435: thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); duke@435: if (HAS_PENDING_EXCEPTION) { duke@435: CLEAR_PENDING_EXCEPTION; duke@435: // cleanup outside the handle mark. duke@435: attach_failed = true; duke@435: } duke@435: } duke@435: duke@435: if (attach_failed) { duke@435: // Added missing cleanup duke@435: thread->cleanup_failed_attach_current_thread(); duke@435: return JNI_ERR; duke@435: } duke@435: duke@435: // mark the thread as no longer attaching duke@435: // this uses a fence to push the change through so we don't have duke@435: // to regrab the threads_lock dcubed@3202: thread->set_done_attaching_via_jni(); duke@435: duke@435: // Set java thread status. duke@435: java_lang_Thread::set_thread_status(thread->threadObj(), duke@435: java_lang_Thread::RUNNABLE); duke@435: duke@435: // Notify the debugger duke@435: if (JvmtiExport::should_post_thread_life()) { duke@435: JvmtiExport::post_thread_start(thread); duke@435: } duke@435: phh@3427: EVENT_BEGIN(TraceEventThreadStart, event); phh@3427: EVENT_COMMIT(event, phh@3427: EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); phh@3427: duke@435: *(JNIEnv**)penv = thread->jni_environment(); duke@435: duke@435: // Now leaving the VM, so change thread_state. This is normally automatically taken care duke@435: // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by duke@435: // using ThreadStateTransition::transition, we do a callback to the safepoint code if duke@435: // needed. duke@435: duke@435: ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); duke@435: duke@435: // Perform any platform dependent FPU setup duke@435: os::setup_fpu(); duke@435: duke@435: return JNI_OK; duke@435: } duke@435: duke@435: duke@435: jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( dcubed@3202: vm, penv, _args); dcubed@3202: #endif /* USDT2 */ duke@435: if (!vm_created) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( dcubed@3202: (uint32_t) JNI_ERR); dcubed@3202: #endif /* USDT2 */ duke@435: return JNI_ERR; duke@435: } duke@435: duke@435: JNIWrapper("AttachCurrentThread"); duke@435: jint ret = attach_current_thread(vm, penv, _args, false); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: } duke@435: duke@435: duke@435: jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( dcubed@3202: vm); dcubed@3202: #endif /* USDT2 */ duke@435: VM_Exit::block_if_vm_exited(); duke@435: duke@435: JNIWrapper("DetachCurrentThread"); duke@435: duke@435: // If the thread has been deattacted the operations is a no-op duke@435: if (ThreadLocalStorage::thread() == NULL) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( dcubed@3202: JNI_OK); dcubed@3202: #endif /* USDT2 */ duke@435: return JNI_OK; duke@435: } duke@435: duke@435: JavaThread* thread = JavaThread::current(); duke@435: if (thread->has_last_Java_frame()) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( dcubed@3202: (uint32_t) JNI_ERR); dcubed@3202: #endif /* USDT2 */ duke@435: // Can't detach a thread that's running java, that can't work. duke@435: return JNI_ERR; duke@435: } duke@435: duke@435: // Safepoint support. Have to do call-back to safepoint code, if in the duke@435: // middel of a safepoint operation duke@435: ThreadStateTransition::transition_from_native(thread, _thread_in_vm); duke@435: duke@435: // XXX: Note that JavaThread::exit() call below removes the guards on the duke@435: // stack pages set up via enable_stack_{red,yellow}_zone() calls duke@435: // above in jni_AttachCurrentThread. Unfortunately, while the setting duke@435: // of the guards is visible in jni_AttachCurrentThread above, duke@435: // the removal of the guards is buried below in JavaThread::exit() duke@435: // here. The abstraction should be more symmetrically either exposed duke@435: // or hidden (e.g. it could probably be hidden in the same duke@435: // (platform-dependent) methods where we do alternate stack duke@435: // maintenance work?) duke@435: thread->exit(false, JavaThread::jni_detach); duke@435: delete thread; duke@435: dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( dcubed@3202: JNI_OK); dcubed@3202: #endif /* USDT2 */ duke@435: return JNI_OK; duke@435: } duke@435: dcubed@3202: #ifndef USDT2 duke@435: DT_RETURN_MARK_DECL(GetEnv, jint); dcubed@3202: #else /* USDT2 */ dcubed@3202: DT_RETURN_MARK_DECL(GetEnv, jint dcubed@3202: , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); dcubed@3202: #endif /* USDT2 */ duke@435: duke@435: jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_GETENV_ENTRY( dcubed@3202: vm, penv, version); dcubed@3202: #endif /* USDT2 */ duke@435: jint ret = JNI_ERR; duke@435: DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); duke@435: duke@435: if (!vm_created) { duke@435: *penv = NULL; duke@435: ret = JNI_EDETACHED; duke@435: return ret; duke@435: } duke@435: phh@3427: if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { duke@435: return ret; duke@435: } duke@435: duke@435: #ifndef JVMPI_VERSION_1 duke@435: // need these in order to be polite about older agents duke@435: #define JVMPI_VERSION_1 ((jint)0x10000001) duke@435: #define JVMPI_VERSION_1_1 ((jint)0x10000002) duke@435: #define JVMPI_VERSION_1_2 ((jint)0x10000003) duke@435: #endif // !JVMPI_VERSION_1 duke@435: duke@435: Thread* thread = ThreadLocalStorage::thread(); duke@435: if (thread != NULL && thread->is_Java_thread()) { duke@435: if (Threads::is_supported_jni_version_including_1_1(version)) { duke@435: *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); duke@435: ret = JNI_OK; duke@435: return ret; duke@435: duke@435: } else if (version == JVMPI_VERSION_1 || duke@435: version == JVMPI_VERSION_1_1 || duke@435: version == JVMPI_VERSION_1_2) { duke@435: tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); duke@435: tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); duke@435: ret = JNI_EVERSION; duke@435: return ret; duke@435: } else if (JvmtiExport::is_jvmdi_version(version)) { duke@435: tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); duke@435: tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); duke@435: ret = JNI_EVERSION; duke@435: return ret; duke@435: } else { duke@435: *penv = NULL; duke@435: ret = JNI_EVERSION; duke@435: return ret; duke@435: } duke@435: } else { duke@435: *penv = NULL; duke@435: ret = JNI_EDETACHED; duke@435: return ret; duke@435: } duke@435: } duke@435: duke@435: duke@435: jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( dcubed@3202: vm, penv, _args); dcubed@3202: #endif /* USDT2 */ duke@435: if (!vm_created) { dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( dcubed@3202: (uint32_t) JNI_ERR); dcubed@3202: #endif /* USDT2 */ duke@435: return JNI_ERR; duke@435: } duke@435: duke@435: JNIWrapper("AttachCurrentThreadAsDaemon"); duke@435: jint ret = attach_current_thread(vm, penv, _args, true); dcubed@3202: #ifndef USDT2 duke@435: DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); dcubed@3202: #else /* USDT2 */ dcubed@3202: HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( dcubed@3202: ret); dcubed@3202: #endif /* USDT2 */ duke@435: return ret; duke@435: } duke@435: duke@435: duke@435: } // End extern "C" duke@435: duke@435: const struct JNIInvokeInterface_ jni_InvokeInterface = { duke@435: NULL, duke@435: NULL, duke@435: NULL, duke@435: duke@435: jni_DestroyJavaVM, duke@435: jni_AttachCurrentThread, duke@435: jni_DetachCurrentThread, duke@435: jni_GetEnv, duke@435: jni_AttachCurrentThreadAsDaemon duke@435: };