| /* |
| * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_PRIMS_JVM_H |
| #define SHARE_VM_PRIMS_JVM_H |
| |
| #include "prims/jni.h" |
| #include "utilities/macros.hpp" |
| |
| #include OS_HEADER_H(jvm) |
| |
| #ifndef _JAVASOFT_JVM_H_ |
| #define _JAVASOFT_JVM_H_ |
| |
| // HotSpot integration note: |
| // |
| // This file and jvm.h used with the JDK are identical, |
| // except for the three includes removed below |
| |
| // #include <sys/stat.h> |
| // #include "jni.h" |
| // #include "jvm_md.h" |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * This file contains additional functions exported from the VM. |
| * These functions are complementary to the standard JNI support. |
| * There are three parts to this file: |
| * |
| * First, this file contains the VM-related functions needed by native |
| * libraries in the standard Java API. For example, the java.lang.Object |
| * class needs VM-level functions that wait for and notify monitors. |
| * |
| * Second, this file contains the functions and constant definitions |
| * needed by the byte code verifier and class file format checker. |
| * These functions allow the verifier and format checker to be written |
| * in a VM-independent way. |
| * |
| * Third, this file contains various I/O and nerwork operations needed |
| * by the standard Java I/O and network APIs. |
| */ |
| |
| /* |
| * Bump the version number when either of the following happens: |
| * |
| * 1. There is a change in JVM_* functions. |
| * |
| * 2. There is a change in the contract between VM and Java classes. |
| * For example, if the VM relies on a new private field in Thread |
| * class. |
| */ |
| |
| #define JVM_INTERFACE_VERSION 5 |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetMethodParameters(JNIEnv *env, jobject method); |
| |
| JNIEXPORT jint JNICALL |
| JVM_GetInterfaceVersion(void); |
| |
| /************************************************************************* |
| PART 1: Functions for Native Libraries |
| ************************************************************************/ |
| /* |
| * java.lang.Object |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_IHashCode(JNIEnv *env, jobject obj); |
| |
| JNIEXPORT void JNICALL |
| JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms); |
| |
| JNIEXPORT void JNICALL |
| JVM_MonitorNotify(JNIEnv *env, jobject obj); |
| |
| JNIEXPORT void JNICALL |
| JVM_MonitorNotifyAll(JNIEnv *env, jobject obj); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_Clone(JNIEnv *env, jobject obj); |
| |
| /* |
| * java.lang.String |
| */ |
| JNIEXPORT jstring JNICALL |
| JVM_InternString(JNIEnv *env, jstring str); |
| |
| /* |
| * java.lang.System |
| */ |
| JNIEXPORT jlong JNICALL |
| JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored); |
| |
| JNIEXPORT jlong JNICALL |
| JVM_NanoTime(JNIEnv *env, jclass ignored); |
| |
| JNIEXPORT jlong JNICALL |
| JVM_GetNanoTimeAdjustment(JNIEnv *env, jclass ignored, jlong offset_secs); |
| |
| JNIEXPORT void JNICALL |
| JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos, |
| jobject dst, jint dst_pos, jint length); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_InitProperties(JNIEnv *env, jobject p); |
| |
| /* |
| * java.lang.Runtime |
| */ |
| |
| JNIEXPORT void JNICALL |
| JVM_Halt(jint code); |
| |
| JNIEXPORT void JNICALL |
| JVM_GC(void); |
| |
| /* Returns the number of real-time milliseconds that have elapsed since the |
| * least-recently-inspected heap object was last inspected by the garbage |
| * collector. |
| * |
| * For simple stop-the-world collectors this value is just the time |
| * since the most recent collection. For generational collectors it is the |
| * time since the oldest generation was most recently collected. Other |
| * collectors are free to return a pessimistic estimate of the elapsed time, or |
| * simply the time since the last full collection was performed. |
| * |
| * Note that in the presence of reference objects, a given object that is no |
| * longer strongly reachable may have to be inspected multiple times before it |
| * can be reclaimed. |
| */ |
| JNIEXPORT jlong JNICALL |
| JVM_MaxObjectInspectionAge(void); |
| |
| JNIEXPORT jlong JNICALL |
| JVM_TotalMemory(void); |
| |
| JNIEXPORT jlong JNICALL |
| JVM_FreeMemory(void); |
| |
| JNIEXPORT jlong JNICALL |
| JVM_MaxMemory(void); |
| |
| JNIEXPORT jint JNICALL |
| JVM_ActiveProcessorCount(void); |
| |
| JNIEXPORT void * JNICALL |
| JVM_LoadLibrary(const char *name); |
| |
| JNIEXPORT void JNICALL |
| JVM_UnloadLibrary(void * handle); |
| |
| JNIEXPORT void * JNICALL |
| JVM_FindLibraryEntry(void *handle, const char *name); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_IsSupportedJNIVersion(jint version); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetVmArguments(JNIEnv *env); |
| |
| /* |
| * java.lang.Throwable |
| */ |
| JNIEXPORT void JNICALL |
| JVM_FillInStackTrace(JNIEnv *env, jobject throwable); |
| |
| /* |
| * java.lang.StackTraceElement |
| */ |
| JNIEXPORT void JNICALL |
| JVM_InitStackTraceElementArray(JNIEnv *env, jobjectArray elements, jobject throwable); |
| |
| JNIEXPORT void JNICALL |
| JVM_InitStackTraceElement(JNIEnv* env, jobject element, jobject stackFrameInfo); |
| |
| /* |
| * java.lang.StackWalker |
| */ |
| enum { |
| JVM_STACKWALK_FILL_CLASS_REFS_ONLY = 0x02, |
| JVM_STACKWALK_GET_CALLER_CLASS = 0x04, |
| JVM_STACKWALK_SHOW_HIDDEN_FRAMES = 0x20, |
| JVM_STACKWALK_FILL_LIVE_STACK_FRAMES = 0x100 |
| }; |
| |
| JNIEXPORT jobject JNICALL |
| JVM_CallStackWalk(JNIEnv *env, jobject stackStream, jlong mode, |
| jint skip_frames, jint frame_count, jint start_index, |
| jobjectArray frames); |
| |
| JNIEXPORT jint JNICALL |
| JVM_MoreStackWalk(JNIEnv *env, jobject stackStream, jlong mode, jlong anchor, |
| jint frame_count, jint start_index, |
| jobjectArray frames); |
| |
| /* |
| * java.lang.Thread |
| */ |
| JNIEXPORT void JNICALL |
| JVM_StartThread(JNIEnv *env, jobject thread); |
| |
| JNIEXPORT void JNICALL |
| JVM_StopThread(JNIEnv *env, jobject thread, jobject exception); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_IsThreadAlive(JNIEnv *env, jobject thread); |
| |
| JNIEXPORT void JNICALL |
| JVM_SuspendThread(JNIEnv *env, jobject thread); |
| |
| JNIEXPORT void JNICALL |
| JVM_ResumeThread(JNIEnv *env, jobject thread); |
| |
| JNIEXPORT void JNICALL |
| JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio); |
| |
| JNIEXPORT void JNICALL |
| JVM_Yield(JNIEnv *env, jclass threadClass); |
| |
| JNIEXPORT void JNICALL |
| JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_CurrentThread(JNIEnv *env, jclass threadClass); |
| |
| JNIEXPORT jint JNICALL |
| JVM_CountStackFrames(JNIEnv *env, jobject thread); |
| |
| JNIEXPORT void JNICALL |
| JVM_Interrupt(JNIEnv *env, jobject thread); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj); |
| |
| JNIEXPORT void JNICALL |
| JVM_DumpAllStacks(JNIEnv *env, jclass unused); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetAllThreads(JNIEnv *env, jclass dummy); |
| |
| JNIEXPORT void JNICALL |
| JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name); |
| |
| /* getStackTrace() and getAllStackTraces() method */ |
| JNIEXPORT jobjectArray JNICALL |
| JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads); |
| |
| /* |
| * java.lang.SecurityManager |
| */ |
| JNIEXPORT jclass JNICALL |
| JVM_CurrentLoadedClass(JNIEnv *env); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_CurrentClassLoader(JNIEnv *env); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetClassContext(JNIEnv *env); |
| |
| JNIEXPORT jint JNICALL |
| JVM_ClassDepth(JNIEnv *env, jstring name); |
| |
| JNIEXPORT jint JNICALL |
| JVM_ClassLoaderDepth(JNIEnv *env); |
| |
| /* |
| * java.lang.Package |
| */ |
| JNIEXPORT jstring JNICALL |
| JVM_GetSystemPackage(JNIEnv *env, jstring name); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetSystemPackages(JNIEnv *env); |
| |
| /* |
| * java.lang.ref.Reference |
| */ |
| JNIEXPORT jobject JNICALL |
| JVM_GetAndClearReferencePendingList(JNIEnv *env); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_HasReferencePendingList(JNIEnv *env); |
| |
| JNIEXPORT void JNICALL |
| JVM_WaitForReferencePendingList(JNIEnv *env); |
| |
| /* |
| * java.io.ObjectInputStream |
| */ |
| JNIEXPORT jobject JNICALL |
| JVM_LatestUserDefinedLoader(JNIEnv *env); |
| |
| /* |
| * java.lang.reflect.Array |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetArrayLength(JNIEnv *env, jobject arr); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index); |
| |
| JNIEXPORT jvalue JNICALL |
| JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode); |
| |
| JNIEXPORT void JNICALL |
| JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val); |
| |
| JNIEXPORT void JNICALL |
| JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v, |
| unsigned char vCode); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_NewArray(JNIEnv *env, jclass eltClass, jint length); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim); |
| |
| /* |
| * java.lang.Class and java.lang.ClassLoader |
| */ |
| |
| #define JVM_CALLER_DEPTH -1 |
| |
| /* |
| * Returns the class in which the code invoking the native method |
| * belongs. |
| * |
| * Note that in JDK 1.1, native methods did not create a frame. |
| * In 1.2, they do. Therefore native methods like Class.forName |
| * can no longer look at the current frame for the caller class. |
| */ |
| JNIEXPORT jclass JNICALL |
| JVM_GetCallerClass(JNIEnv *env, int n); |
| |
| /* |
| * Find primitive classes |
| * utf: class name |
| */ |
| JNIEXPORT jclass JNICALL |
| JVM_FindPrimitiveClass(JNIEnv *env, const char *utf); |
| |
| /* |
| * Find a class from a boot class loader. Returns NULL if class not found. |
| */ |
| JNIEXPORT jclass JNICALL |
| JVM_FindClassFromBootLoader(JNIEnv *env, const char *name); |
| |
| /* |
| * Find a class from a given class loader. Throws ClassNotFoundException. |
| * name: name of class |
| * init: whether initialization is done |
| * loader: class loader to look up the class. This may not be the same as the caller's |
| * class loader. |
| * caller: initiating class. The initiating class may be null when a security |
| * manager is not installed. |
| */ |
| JNIEXPORT jclass JNICALL |
| JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init, |
| jobject loader, jclass caller); |
| |
| /* |
| * Find a class from a given class. |
| */ |
| JNIEXPORT jclass JNICALL |
| JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init, |
| jclass from); |
| |
| /* Find a loaded class cached by the VM */ |
| JNIEXPORT jclass JNICALL |
| JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name); |
| |
| /* Define a class */ |
| JNIEXPORT jclass JNICALL |
| JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, |
| jsize len, jobject pd); |
| |
| /* Define a class with a source (added in JDK1.5) */ |
| JNIEXPORT jclass JNICALL |
| JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, |
| const jbyte *buf, jsize len, jobject pd, |
| const char *source); |
| |
| /* |
| * Module support funcions |
| */ |
| |
| /* |
| * Define a module with the specified packages and bind the module to the |
| * given class loader. |
| * module: module to define |
| * is_open: specifies if module is open (currently ignored) |
| * version: the module version |
| * location: the module location |
| * packages: list of packages in the module |
| * num_packages: number of packages in the module |
| */ |
| JNIEXPORT void JNICALL |
| JVM_DefineModule(JNIEnv *env, jobject module, jboolean is_open, jstring version, |
| jstring location, const char* const* packages, jsize num_packages); |
| |
| /* |
| * Set the boot loader's unnamed module. |
| * module: boot loader's unnamed module |
| */ |
| JNIEXPORT void JNICALL |
| JVM_SetBootLoaderUnnamedModule(JNIEnv *env, jobject module); |
| |
| /* |
| * Do a qualified export of a package. |
| * from_module: module containing the package to export |
| * package: name of the package to export |
| * to_module: module to export the package to |
| */ |
| JNIEXPORT void JNICALL |
| JVM_AddModuleExports(JNIEnv *env, jobject from_module, const char* package, jobject to_module); |
| |
| /* |
| * Do an export of a package to all unnamed modules. |
| * from_module: module containing the package to export |
| * package: name of the package to export to all unnamed modules |
| */ |
| JNIEXPORT void JNICALL |
| JVM_AddModuleExportsToAllUnnamed(JNIEnv *env, jobject from_module, const char* package); |
| |
| /* |
| * Do an unqualified export of a package. |
| * from_module: module containing the package to export |
| * package: name of the package to export |
| */ |
| JNIEXPORT void JNICALL |
| JVM_AddModuleExportsToAll(JNIEnv *env, jobject from_module, const char* package); |
| |
| /* |
| * Add a module to the list of modules that a given module can read. |
| * from_module: module requesting read access |
| * source_module: module that from_module wants to read |
| */ |
| JNIEXPORT void JNICALL |
| JVM_AddReadsModule(JNIEnv *env, jobject from_module, jobject source_module); |
| |
| /* |
| * Reflection support functions |
| */ |
| |
| JNIEXPORT jstring JNICALL |
| JVM_GetClassName(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetClassInterfaces(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_IsInterface(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetClassSigners(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT void JNICALL |
| JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_GetProtectionDomain(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_IsArrayClass(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_IsPrimitiveClass(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jint JNICALL |
| JVM_GetClassModifiers(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass); |
| |
| JNIEXPORT jclass JNICALL |
| JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass); |
| |
| JNIEXPORT jstring JNICALL |
| JVM_GetSimpleBinaryName(JNIEnv *env, jclass ofClass); |
| |
| /* Generics support (JDK 1.5) */ |
| JNIEXPORT jstring JNICALL |
| JVM_GetClassSignature(JNIEnv *env, jclass cls); |
| |
| /* Annotations support (JDK 1.5) */ |
| JNIEXPORT jbyteArray JNICALL |
| JVM_GetClassAnnotations(JNIEnv *env, jclass cls); |
| |
| /* Annotations support (JDK 1.6) */ |
| |
| /* Type use annotations support (JDK 1.8) */ |
| |
| JNIEXPORT jbyteArray JNICALL |
| JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls); |
| |
| // field is a handle to a java.lang.reflect.Field object |
| JNIEXPORT jbyteArray JNICALL |
| JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field); |
| |
| // method is a handle to a java.lang.reflect.Method object |
| JNIEXPORT jbyteArray JNICALL |
| JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method); |
| |
| /* |
| * New (JDK 1.4) reflection implementation |
| */ |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly); |
| |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly); |
| |
| /* Differs from JVM_GetClassModifiers in treatment of inner classes. |
| This returns the access flags for the class as specified in the |
| class file rather than searching the InnerClasses attribute (if |
| present) to find the source-level access flags. Only the values of |
| the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be |
| valid. */ |
| JNIEXPORT jint JNICALL |
| JVM_GetClassAccessFlags(JNIEnv *env, jclass cls); |
| |
| /* |
| * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5) |
| */ |
| |
| JNIEXPORT jobject JNICALL |
| JVM_GetClassConstantPool(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize |
| (JNIEnv *env, jobject obj, jobject unused); |
| |
| JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetNameAndTypeRefInfoAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jint JNICALL JVM_ConstantPoolGetNameAndTypeRefIndexAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jint JNICALL JVM_ConstantPoolGetClassRefIndexAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At |
| (JNIEnv *env, jobject obj, jobject unused, jint index); |
| |
| JNIEXPORT jbyte JNICALL JVM_ConstantPoolGetTagAt |
| (JNIEnv *env, jobject unused, jobject jcpool, jint index); |
| |
| /* |
| * java.security.* |
| */ |
| |
| JNIEXPORT jobject JNICALL |
| JVM_DoPrivileged(JNIEnv *env, jclass cls, |
| jobject action, jobject context, jboolean wrapException); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls); |
| |
| JNIEXPORT jobject JNICALL |
| JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls); |
| |
| /* |
| * Signal support, used to implement the shutdown sequence. Every VM must |
| * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts |
| * (^C) and the latter for external termination (kill, system shutdown, etc.). |
| * Other platform-dependent signal values may also be supported. |
| */ |
| |
| JNIEXPORT void * JNICALL |
| JVM_RegisterSignal(jint sig, void *handler); |
| |
| JNIEXPORT jboolean JNICALL |
| JVM_RaiseSignal(jint sig); |
| |
| JNIEXPORT jint JNICALL |
| JVM_FindSignal(const char *name); |
| |
| /* |
| * Retrieve the assertion directives for the specified class. |
| */ |
| JNIEXPORT jboolean JNICALL |
| JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls); |
| |
| /* |
| * Retrieve the assertion directives from the VM. |
| */ |
| JNIEXPORT jobject JNICALL |
| JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused); |
| |
| /* |
| * java.util.concurrent.atomic.AtomicLong |
| */ |
| JNIEXPORT jboolean JNICALL |
| JVM_SupportsCX8(void); |
| |
| /************************************************************************* |
| PART 2: Support for the Verifier and Class File Format Checker |
| ************************************************************************/ |
| /* |
| * Return the class name in UTF format. The result is valid |
| * until JVM_ReleaseUTf is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetClassNameUTF(JNIEnv *env, jclass cb); |
| |
| /* |
| * Returns the constant pool types in the buffer provided by "types." |
| */ |
| JNIEXPORT void JNICALL |
| JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types); |
| |
| /* |
| * Returns the number of Constant Pool entries. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb); |
| |
| /* |
| * Returns the number of *declared* fields or methods. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetClassFieldsCount(JNIEnv *env, jclass cb); |
| |
| JNIEXPORT jint JNICALL |
| JVM_GetClassMethodsCount(JNIEnv *env, jclass cb); |
| |
| /* |
| * Returns the CP indexes of exceptions raised by a given method. |
| * Places the result in the given buffer. |
| * |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT void JNICALL |
| JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index, |
| unsigned short *exceptions); |
| /* |
| * Returns the number of exceptions raised by a given method. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index); |
| |
| /* |
| * Returns the byte code sequence of a given method. |
| * Places the result in the given buffer. |
| * |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT void JNICALL |
| JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index, |
| unsigned char *code); |
| |
| /* |
| * Returns the length of the byte code sequence of a given method. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index); |
| |
| /* |
| * A structure used to a capture exception table entry in a Java method. |
| */ |
| typedef struct { |
| jint start_pc; |
| jint end_pc; |
| jint handler_pc; |
| jint catchType; |
| } JVM_ExceptionTableEntryType; |
| |
| /* |
| * Returns the exception table entry at entry_index of a given method. |
| * Places the result in the given buffer. |
| * |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT void JNICALL |
| JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index, |
| jint entry_index, |
| JVM_ExceptionTableEntryType *entry); |
| |
| /* |
| * Returns the length of the exception table of a given method. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index); |
| |
| /* |
| * Returns the modifiers of a given field. |
| * The field is identified by field_index. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index); |
| |
| /* |
| * Returns the modifiers of a given method. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index); |
| |
| /* |
| * Returns the number of local variables of a given method. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index); |
| |
| /* |
| * Returns the number of arguments (including this pointer) of a given method. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index); |
| |
| /* |
| * Returns the maximum amount of stack (in words) used by a given method. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index); |
| |
| /* |
| * Is a given method a constructor. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jboolean JNICALL |
| JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index); |
| |
| /* |
| * Is the given method generated by the VM. |
| * The method is identified by method_index. |
| */ |
| JNIEXPORT jboolean JNICALL |
| JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index); |
| |
| /* |
| * Returns the name of a given method in UTF format. |
| * The result remains valid until JVM_ReleaseUTF is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the signature of a given method in UTF format. |
| * The result remains valid until JVM_ReleaseUTF is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the name of the field refered to at a given constant pool |
| * index. |
| * |
| * The result is in UTF format and remains valid until JVM_ReleaseUTF |
| * is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the name of the method refered to at a given constant pool |
| * index. |
| * |
| * The result is in UTF format and remains valid until JVM_ReleaseUTF |
| * is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the signature of the method refered to at a given constant pool |
| * index. |
| * |
| * The result is in UTF format and remains valid until JVM_ReleaseUTF |
| * is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the signature of the field refered to at a given constant pool |
| * index. |
| * |
| * The result is in UTF format and remains valid until JVM_ReleaseUTF |
| * is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the class name refered to at a given constant pool index. |
| * |
| * The result is in UTF format and remains valid until JVM_ReleaseUTF |
| * is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the class name refered to at a given constant pool index. |
| * |
| * The constant pool entry must refer to a CONSTANT_Fieldref. |
| * |
| * The result is in UTF format and remains valid until JVM_ReleaseUTF |
| * is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the class name refered to at a given constant pool index. |
| * |
| * The constant pool entry must refer to CONSTANT_Methodref or |
| * CONSTANT_InterfaceMethodref. |
| * |
| * The result is in UTF format and remains valid until JVM_ReleaseUTF |
| * is called. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| */ |
| JNIEXPORT const char * JNICALL |
| JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index); |
| |
| /* |
| * Returns the modifiers of a field in calledClass. The field is |
| * referred to in class cb at constant pool entry index. |
| * |
| * The caller must treat the string as a constant and not modify it |
| * in any way. |
| * |
| * Returns -1 if the field does not exist in calledClass. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); |
| |
| /* |
| * Returns the modifiers of a method in calledClass. The method is |
| * referred to in class cb at constant pool entry index. |
| * |
| * Returns -1 if the method does not exist in calledClass. |
| */ |
| JNIEXPORT jint JNICALL |
| JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass); |
| |
| /* |
| * Releases the UTF string obtained from the VM. |
| */ |
| JNIEXPORT void JNICALL |
| JVM_ReleaseUTF(const char *utf); |
| |
| /* |
| * Compare if two classes are in the same package. |
| */ |
| JNIEXPORT jboolean JNICALL |
| JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2); |
| |
| /* Constants in class files */ |
| |
| #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */ |
| #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */ |
| #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */ |
| #define JVM_ACC_STATIC 0x0008 /* instance variable is static */ |
| #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */ |
| #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */ |
| #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */ |
| #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */ |
| #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */ |
| #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */ |
| #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */ |
| #define JVM_ACC_NATIVE 0x0100 /* implemented in C */ |
| #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */ |
| #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */ |
| #define JVM_ACC_STRICT 0x0800 /* strict floating point */ |
| #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */ |
| #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */ |
| #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */ |
| #define JVM_ACC_MODULE 0x8000 /* module-info class file */ |
| |
| #define JVM_ACC_PUBLIC_BIT 0 |
| #define JVM_ACC_PRIVATE_BIT 1 |
| #define JVM_ACC_PROTECTED_BIT 2 |
| #define JVM_ACC_STATIC_BIT 3 |
| #define JVM_ACC_FINAL_BIT 4 |
| #define JVM_ACC_SYNCHRONIZED_BIT 5 |
| #define JVM_ACC_SUPER_BIT 5 |
| #define JVM_ACC_VOLATILE_BIT 6 |
| #define JVM_ACC_BRIDGE_BIT 6 |
| #define JVM_ACC_TRANSIENT_BIT 7 |
| #define JVM_ACC_VARARGS_BIT 7 |
| #define JVM_ACC_NATIVE_BIT 8 |
| #define JVM_ACC_INTERFACE_BIT 9 |
| #define JVM_ACC_ABSTRACT_BIT 10 |
| #define JVM_ACC_STRICT_BIT 11 |
| #define JVM_ACC_SYNTHETIC_BIT 12 |
| #define JVM_ACC_ANNOTATION_BIT 13 |
| #define JVM_ACC_ENUM_BIT 14 |
| |
| // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java |
| enum { |
| JVM_CONSTANT_Utf8 = 1, |
| JVM_CONSTANT_Unicode, /* unused */ |
| JVM_CONSTANT_Integer, |
| JVM_CONSTANT_Float, |
| JVM_CONSTANT_Long, |
| JVM_CONSTANT_Double, |
| JVM_CONSTANT_Class, |
| JVM_CONSTANT_String, |
| JVM_CONSTANT_Fieldref, |
| JVM_CONSTANT_Methodref, |
| JVM_CONSTANT_InterfaceMethodref, |
| JVM_CONSTANT_NameAndType, |
| JVM_CONSTANT_MethodHandle = 15, // JSR 292 |
| JVM_CONSTANT_MethodType = 16, // JSR 292 |
| //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only |
| JVM_CONSTANT_InvokeDynamic = 18, // JSR 292 |
| JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles |
| }; |
| |
| /* JVM_CONSTANT_MethodHandle subtypes */ |
| enum { |
| JVM_REF_getField = 1, |
| JVM_REF_getStatic = 2, |
| JVM_REF_putField = 3, |
| JVM_REF_putStatic = 4, |
| JVM_REF_invokeVirtual = 5, |
| JVM_REF_invokeStatic = 6, |
| JVM_REF_invokeSpecial = 7, |
| JVM_REF_newInvokeSpecial = 8, |
| JVM_REF_invokeInterface = 9 |
| }; |
| |
| /* Used in the newarray instruction. */ |
| |
| #define JVM_T_BOOLEAN 4 |
| #define JVM_T_CHAR 5 |
| #define JVM_T_FLOAT 6 |
| #define JVM_T_DOUBLE 7 |
| #define JVM_T_BYTE 8 |
| #define JVM_T_SHORT 9 |
| #define JVM_T_INT 10 |
| #define JVM_T_LONG 11 |
| |
| /* JVM method signatures */ |
| |
| #define JVM_SIGNATURE_ARRAY '[' |
| #define JVM_SIGNATURE_BYTE 'B' |
| #define JVM_SIGNATURE_CHAR 'C' |
| #define JVM_SIGNATURE_CLASS 'L' |
| #define JVM_SIGNATURE_ENDCLASS ';' |
| #define JVM_SIGNATURE_ENUM 'E' |
| #define JVM_SIGNATURE_FLOAT 'F' |
| #define JVM_SIGNATURE_DOUBLE 'D' |
| #define JVM_SIGNATURE_FUNC '(' |
| #define JVM_SIGNATURE_ENDFUNC ')' |
| #define JVM_SIGNATURE_INT 'I' |
| #define JVM_SIGNATURE_LONG 'J' |
| #define JVM_SIGNATURE_SHORT 'S' |
| #define JVM_SIGNATURE_VOID 'V' |
| #define JVM_SIGNATURE_BOOLEAN 'Z' |
| |
| /* |
| * A function defined by the byte-code verifier and called by the VM. |
| * This is not a function implemented in the VM. |
| * |
| * Returns JNI_FALSE if verification fails. A detailed error message |
| * will be places in msg_buf, whose length is specified by buf_len. |
| */ |
| typedef jboolean (*verifier_fn_t)(JNIEnv *env, |
| jclass cb, |
| char * msg_buf, |
| jint buf_len); |
| |
| |
| /* |
| * Support for a VM-independent class format checker. |
| */ |
| typedef struct { |
| unsigned long code; /* byte code */ |
| unsigned long excs; /* exceptions */ |
| unsigned long etab; /* catch table */ |
| unsigned long lnum; /* line number */ |
| unsigned long lvar; /* local vars */ |
| } method_size_info; |
| |
| typedef struct { |
| unsigned int constants; /* constant pool */ |
| unsigned int fields; |
| unsigned int methods; |
| unsigned int interfaces; |
| unsigned int fields2; /* number of static 2-word fields */ |
| unsigned int innerclasses; /* # of records in InnerClasses attr */ |
| |
| method_size_info clinit; /* memory used in clinit */ |
| method_size_info main; /* used everywhere else */ |
| } class_size_info; |
| |
| /* |
| * Functions defined in libjava.so to perform string conversions. |
| * |
| */ |
| |
| typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str); |
| |
| typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b); |
| |
| /* This is the function defined in libjava.so that performs class |
| * format checks. This functions fills in size information about |
| * the class file and returns: |
| * |
| * 0: good |
| * -1: out of memory |
| * -2: bad format |
| * -3: unsupported version |
| * -4: bad class name |
| */ |
| |
| typedef jint (*check_format_fn_t)(char *class_name, |
| unsigned char *data, |
| unsigned int data_size, |
| class_size_info *class_size, |
| char *message_buffer, |
| jint buffer_length, |
| jboolean measure_only, |
| jboolean check_relaxed); |
| |
| #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \ |
| JVM_ACC_FINAL | \ |
| JVM_ACC_SUPER | \ |
| JVM_ACC_INTERFACE | \ |
| JVM_ACC_ABSTRACT | \ |
| JVM_ACC_ANNOTATION | \ |
| JVM_ACC_ENUM | \ |
| JVM_ACC_SYNTHETIC) |
| |
| #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \ |
| JVM_ACC_PRIVATE | \ |
| JVM_ACC_PROTECTED | \ |
| JVM_ACC_STATIC | \ |
| JVM_ACC_FINAL | \ |
| JVM_ACC_VOLATILE | \ |
| JVM_ACC_TRANSIENT | \ |
| JVM_ACC_ENUM | \ |
| JVM_ACC_SYNTHETIC) |
| |
| #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \ |
| JVM_ACC_PRIVATE | \ |
| JVM_ACC_PROTECTED | \ |
| JVM_ACC_STATIC | \ |
| JVM_ACC_FINAL | \ |
| JVM_ACC_SYNCHRONIZED | \ |
| JVM_ACC_BRIDGE | \ |
| JVM_ACC_VARARGS | \ |
| JVM_ACC_NATIVE | \ |
| JVM_ACC_ABSTRACT | \ |
| JVM_ACC_STRICT | \ |
| JVM_ACC_SYNTHETIC) |
| |
| /* |
| * This is the function defined in libjava.so to perform path |
| * canonicalization. VM call this function before opening jar files |
| * to load system classes. |
| * |
| */ |
| |
| typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len); |
| |
| /************************************************************************* |
| PART 3: I/O and Network Support |
| ************************************************************************/ |
| |
| /* |
| * Convert a pathname into native format. This function does syntactic |
| * cleanup, such as removing redundant separator characters. It modifies |
| * the given pathname string in place. |
| */ |
| JNIEXPORT char * JNICALL |
| JVM_NativePath(char *); |
| |
| /* |
| * The standard printing functions supported by the Java VM. (Should they |
| * be renamed to JVM_* in the future? |
| */ |
| |
| /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3), |
| * respectively, with the following differences: |
| * - The string written to str is always zero-terminated, also in case of |
| * truncation (count is too small to hold the result string), unless count |
| * is 0. In case of truncation count-1 characters are written and '\0' |
| * appendend. |
| * - If count is too small to hold the whole string, -1 is returned across |
| * all platforms. */ |
| JNIEXPORT int |
| jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args); |
| |
| JNIEXPORT int |
| jio_snprintf(char *str, size_t count, const char *fmt, ...); |
| |
| JNIEXPORT int |
| jio_fprintf(FILE *, const char *fmt, ...); |
| |
| JNIEXPORT int |
| jio_vfprintf(FILE *, const char *fmt, va_list args); |
| |
| |
| JNIEXPORT void * JNICALL |
| JVM_RawMonitorCreate(void); |
| |
| JNIEXPORT void JNICALL |
| JVM_RawMonitorDestroy(void *mon); |
| |
| JNIEXPORT jint JNICALL |
| JVM_RawMonitorEnter(void *mon); |
| |
| JNIEXPORT void JNICALL |
| JVM_RawMonitorExit(void *mon); |
| |
| /* |
| * java.lang.reflect.Method |
| */ |
| JNIEXPORT jobject JNICALL |
| JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0); |
| |
| /* |
| * java.lang.reflect.Constructor |
| */ |
| JNIEXPORT jobject JNICALL |
| JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0); |
| |
| /* |
| * java.lang.management support |
| */ |
| JNIEXPORT void* JNICALL |
| JVM_GetManagement(jint version); |
| |
| /* |
| * com.sun.tools.attach.VirtualMachine support |
| * |
| * Initialize the agent properties with the properties maintained in the VM. |
| */ |
| JNIEXPORT jobject JNICALL |
| JVM_InitAgentProperties(JNIEnv *env, jobject agent_props); |
| |
| JNIEXPORT jstring JNICALL |
| JVM_GetTemporaryDirectory(JNIEnv *env); |
| |
| /* Generics reflection support. |
| * |
| * Returns information about the given class's EnclosingMethod |
| * attribute, if present, or null if the class had no enclosing |
| * method. |
| * |
| * If non-null, the returned array contains three elements. Element 0 |
| * is the java.lang.Class of which the enclosing method is a member, |
| * and elements 1 and 2 are the java.lang.Strings for the enclosing |
| * method's name and descriptor, respectively. |
| */ |
| JNIEXPORT jobjectArray JNICALL |
| JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass); |
| |
| /* ========================================================================= |
| * The following defines a private JVM interface that the JDK can query |
| * for the JVM version and capabilities. sun.misc.Version defines |
| * the methods for getting the VM version and its capabilities. |
| * |
| * When a new bit is added, the following should be updated to provide |
| * access to the new capability: |
| * HS: JVM_GetVersionInfo and Abstract_VM_Version class |
| * SDK: Version class |
| * |
| * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for |
| * JVM to query for the JDK version and capabilities. |
| * |
| * When a new bit is added, the following should be updated to provide |
| * access to the new capability: |
| * HS: JDK_Version class |
| * SDK: JDK_GetVersionInfo0 |
| * |
| * ========================================================================== |
| */ |
| typedef struct { |
| unsigned int jvm_version; /* Encoded $VNUM as defined by JEP-223 */ |
| unsigned int patch_version : 8; /* JEP-223 patch version */ |
| unsigned int reserved3 : 8; |
| unsigned int reserved1 : 16; |
| unsigned int reserved2; |
| |
| /* The following bits represents JVM supports that JDK has dependency on. |
| * JDK can use these bits to determine which JVM version |
| * and support it has to maintain runtime compatibility. |
| * |
| * When a new bit is added in a minor or update release, make sure |
| * the new bit is also added in the main/baseline. |
| */ |
| unsigned int is_attachable : 1; |
| unsigned int : 31; |
| unsigned int : 32; |
| unsigned int : 32; |
| } jvm_version_info; |
| |
| #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) |
| #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) |
| #define JVM_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) |
| #define JVM_VERSION_BUILD(version) ((version & 0x000000FF)) |
| |
| JNIEXPORT void JNICALL |
| JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size); |
| |
| typedef struct { |
| unsigned int jdk_version; /* Encoded $VNUM as defined by JEP-223 */ |
| unsigned int patch_version : 8; /* JEP-223 patch version */ |
| unsigned int reserved3 : 8; |
| unsigned int reserved1 : 16; |
| unsigned int reserved2; |
| |
| /* The following bits represents new JDK supports that VM has dependency on. |
| * VM implementation can use these bits to determine which JDK version |
| * and support it has to maintain runtime compatibility. |
| * |
| * When a new bit is added in a minor or update release, make sure |
| * the new bit is also added in the main/baseline. |
| */ |
| unsigned int thread_park_blocker : 1; |
| unsigned int post_vm_init_hook_enabled : 1; |
| unsigned int pending_list_uses_discovered_field : 1; |
| unsigned int : 29; |
| unsigned int : 32; |
| unsigned int : 32; |
| } jdk_version_info; |
| |
| #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24) |
| #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16) |
| #define JDK_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8) |
| #define JDK_VERSION_BUILD(version) ((version & 0x000000FF)) |
| |
| /* |
| * This is the function JDK_GetVersionInfo0 defined in libjava.so |
| * that is dynamically looked up by JVM. |
| */ |
| typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size); |
| |
| /* |
| * This structure is used by the launcher to get the default thread |
| * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a |
| * version of 1.1. As it is not supported otherwise, it has been removed |
| * from jni.h |
| */ |
| typedef struct JDK1_1InitArgs { |
| jint version; |
| |
| char **properties; |
| jint checkSource; |
| jint nativeStackSize; |
| jint javaStackSize; |
| jint minHeapSize; |
| jint maxHeapSize; |
| jint verifyMode; |
| char *classpath; |
| |
| jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args); |
| void (JNICALL *exit)(jint code); |
| void (JNICALL *abort)(void); |
| |
| jint enableClassGC; |
| jint enableVerboseGC; |
| jint disableAsyncGC; |
| jint verbose; |
| jboolean debugging; |
| jint debugPort; |
| } JDK1_1InitArgs; |
| |
| #ifdef __cplusplus |
| } /* extern "C" */ |
| #endif /* __cplusplus */ |
| |
| #endif /* !_JAVASOFT_JVM_H_ */ |
| |
| #endif // SHARE_VM_PRIMS_JVM_H |