+++ /dev/null
-// jni.cc - JNI implementation, including the jump table.
-
-/* Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-#include <config.h>
-
-#include <stddef.h>
-#include <string.h>
-
-#include <gcj/cni.h>
-#include <jvm.h>
-#include <java-assert.h>
-#include <jni.h>
-#ifdef ENABLE_JVMPI
-#include <jvmpi.h>
-#endif
-
-#include <java/lang/Class.h>
-#include <java/lang/ClassLoader.h>
-#include <java/lang/Throwable.h>
-#include <java/lang/ArrayIndexOutOfBoundsException.h>
-#include <java/lang/StringIndexOutOfBoundsException.h>
-#include <java/lang/UnsatisfiedLinkError.h>
-#include <java/lang/InstantiationException.h>
-#include <java/lang/NoSuchFieldError.h>
-#include <java/lang/NoSuchMethodError.h>
-#include <java/lang/reflect/Constructor.h>
-#include <java/lang/reflect/Method.h>
-#include <java/lang/reflect/Modifier.h>
-#include <java/lang/OutOfMemoryError.h>
-#include <java/util/IdentityHashMap.h>
-#include <java/lang/Integer.h>
-#include <java/lang/ThreadGroup.h>
-#include <java/lang/Thread.h>
-
-#include <gcj/method.h>
-#include <gcj/field.h>
-
-#include <java-interp.h>
-#include <java-threads.h>
-
-using namespace gcj;
-
-// This enum is used to select different template instantiations in
-// the invocation code.
-enum invocation_type
-{
- normal,
- nonvirtual,
- static_type,
- constructor
-};
-
-// Forward declarations.
-extern struct JNINativeInterface _Jv_JNIFunctions;
-extern struct JNIInvokeInterface _Jv_JNI_InvokeFunctions;
-
-// Number of slots in the default frame. The VM must allow at least
-// 16.
-#define FRAME_SIZE 32
-
-// Mark value indicating this is an overflow frame.
-#define MARK_NONE 0
-// Mark value indicating this is a user frame.
-#define MARK_USER 1
-// Mark value indicating this is a system frame.
-#define MARK_SYSTEM 2
-
-// This structure is used to keep track of local references.
-struct _Jv_JNI_LocalFrame
-{
- // This is true if this frame object represents a pushed frame (eg
- // from PushLocalFrame).
- int marker : 2;
-
- // Number of elements in frame.
- int size : 30;
-
- // Next frame in chain.
- _Jv_JNI_LocalFrame *next;
-
- // The elements. These are allocated using the C "struct hack".
- jobject vec[0];
-};
-
-// This holds a reference count for all local references.
-static java::util::IdentityHashMap *local_ref_table;
-// This holds a reference count for all global references.
-static java::util::IdentityHashMap *global_ref_table;
-
-// The only VM.
-static JavaVM *the_vm;
-
-#ifdef ENABLE_JVMPI
-// The only JVMPI interface description.
-static JVMPI_Interface _Jv_JVMPI_Interface;
-
-static jint
-jvmpiEnableEvent (jint event_type, void *)
-{
- switch (event_type)
- {
- case JVMPI_EVENT_OBJECT_ALLOC:
- _Jv_JVMPI_Notify_OBJECT_ALLOC = _Jv_JVMPI_Interface.NotifyEvent;
- break;
-
- case JVMPI_EVENT_THREAD_START:
- _Jv_JVMPI_Notify_THREAD_START = _Jv_JVMPI_Interface.NotifyEvent;
- break;
-
- case JVMPI_EVENT_THREAD_END:
- _Jv_JVMPI_Notify_THREAD_END = _Jv_JVMPI_Interface.NotifyEvent;
- break;
-
- default:
- return JVMPI_NOT_AVAILABLE;
- }
-
- return JVMPI_SUCCESS;
-}
-
-static jint
-jvmpiDisableEvent (jint event_type, void *)
-{
- switch (event_type)
- {
- case JVMPI_EVENT_OBJECT_ALLOC:
- _Jv_JVMPI_Notify_OBJECT_ALLOC = NULL;
- break;
-
- default:
- return JVMPI_NOT_AVAILABLE;
- }
-
- return JVMPI_SUCCESS;
-}
-#endif
-
-\f
-
-void
-_Jv_JNI_Init (void)
-{
- local_ref_table = new java::util::IdentityHashMap;
- global_ref_table = new java::util::IdentityHashMap;
-
-#ifdef ENABLE_JVMPI
- _Jv_JVMPI_Interface.version = 1;
- _Jv_JVMPI_Interface.EnableEvent = &jvmpiEnableEvent;
- _Jv_JVMPI_Interface.DisableEvent = &jvmpiDisableEvent;
- _Jv_JVMPI_Interface.EnableGC = &_Jv_EnableGC;
- _Jv_JVMPI_Interface.DisableGC = &_Jv_DisableGC;
- _Jv_JVMPI_Interface.RunGC = &_Jv_RunGC;
-#endif
-}
-
-// Tell the GC that a certain pointer is live.
-static void
-mark_for_gc (jobject obj, java::util::IdentityHashMap *ref_table)
-{
- JvSynchronize sync (ref_table);
-
- using namespace java::lang;
- Integer *refcount = (Integer *) ref_table->get (obj);
- jint val = (refcount == NULL) ? 0 : refcount->intValue ();
- // FIXME: what about out of memory error?
- ref_table->put (obj, new Integer (val + 1));
-}
-
-// Unmark a pointer.
-static void
-unmark_for_gc (jobject obj, java::util::IdentityHashMap *ref_table)
-{
- JvSynchronize sync (ref_table);
-
- using namespace java::lang;
- Integer *refcount = (Integer *) ref_table->get (obj);
- JvAssert (refcount);
- jint val = refcount->intValue () - 1;
- JvAssert (val >= 0);
- if (val == 0)
- ref_table->remove (obj);
- else
- // FIXME: what about out of memory error?
- ref_table->put (obj, new Integer (val));
-}
-
-// "Unwrap" some random non-reference type. This exists to simplify
-// other template functions.
-template<typename T>
-static T
-unwrap (T val)
-{
- return val;
-}
-
-// Unwrap a weak reference, if required.
-template<typename T>
-static T *
-unwrap (T *obj)
-{
- using namespace gnu::gcj::runtime;
- // We can compare the class directly because JNIWeakRef is `final'.
- // Doing it this way is much faster.
- if (obj == NULL || obj->getClass () != &JNIWeakRef::class$)
- return obj;
- JNIWeakRef *wr = reinterpret_cast<JNIWeakRef *> (obj);
- return reinterpret_cast<T *> (wr->get ());
-}
-
-\f
-
-static jobject
-_Jv_JNI_NewGlobalRef (JNIEnv *, jobject obj)
-{
- // This seems weird but I think it is correct.
- obj = unwrap (obj);
- mark_for_gc (obj, global_ref_table);
- return obj;
-}
-
-static void
-_Jv_JNI_DeleteGlobalRef (JNIEnv *, jobject obj)
-{
- // This seems weird but I think it is correct.
- obj = unwrap (obj);
- unmark_for_gc (obj, global_ref_table);
-}
-
-static void
-_Jv_JNI_DeleteLocalRef (JNIEnv *env, jobject obj)
-{
- _Jv_JNI_LocalFrame *frame;
-
- // This seems weird but I think it is correct.
- obj = unwrap (obj);
-
- for (frame = env->locals; frame != NULL; frame = frame->next)
- {
- for (int i = 0; i < frame->size; ++i)
- {
- if (frame->vec[i] == obj)
- {
- frame->vec[i] = NULL;
- unmark_for_gc (obj, local_ref_table);
- return;
- }
- }
-
- // Don't go past a marked frame.
- JvAssert (frame->marker == MARK_NONE);
- }
-
- JvAssert (0);
-}
-
-static jint
-_Jv_JNI_EnsureLocalCapacity (JNIEnv *env, jint size)
-{
- // It is easier to just always allocate a new frame of the requested
- // size. This isn't the most efficient thing, but for now we don't
- // care. Note that _Jv_JNI_PushLocalFrame relies on this right now.
-
- _Jv_JNI_LocalFrame *frame;
- try
- {
- frame = (_Jv_JNI_LocalFrame *) _Jv_Malloc (sizeof (_Jv_JNI_LocalFrame)
- + size * sizeof (jobject));
- }
- catch (jthrowable t)
- {
- env->ex = t;
- return JNI_ERR;
- }
-
- frame->marker = MARK_NONE;
- frame->size = size;
- memset (&frame->vec[0], 0, size * sizeof (jobject));
- frame->next = env->locals;
- env->locals = frame;
-
- return 0;
-}
-
-static jint
-_Jv_JNI_PushLocalFrame (JNIEnv *env, jint size)
-{
- jint r = _Jv_JNI_EnsureLocalCapacity (env, size);
- if (r < 0)
- return r;
-
- // The new frame is on top.
- env->locals->marker = MARK_USER;
-
- return 0;
-}
-
-static jobject
-_Jv_JNI_NewLocalRef (JNIEnv *env, jobject obj)
-{
- // This seems weird but I think it is correct.
- obj = unwrap (obj);
-
- // Try to find an open slot somewhere in the topmost frame.
- _Jv_JNI_LocalFrame *frame = env->locals;
- bool done = false, set = false;
- for (; frame != NULL && ! done; frame = frame->next)
- {
- for (int i = 0; i < frame->size; ++i)
- {
- if (frame->vec[i] == NULL)
- {
- set = true;
- done = true;
- frame->vec[i] = obj;
- break;
- }
- }
-
- // If we found a slot, or if the frame we just searched is the
- // mark frame, then we are done.
- if (done || frame == NULL || frame->marker != MARK_NONE)
- break;
- }
-
- if (! set)
- {
- // No slots, so we allocate a new frame. According to the spec
- // we could just die here. FIXME: return value.
- _Jv_JNI_EnsureLocalCapacity (env, 16);
- // We know the first element of the new frame will be ok.
- env->locals->vec[0] = obj;
- }
-
- mark_for_gc (obj, local_ref_table);
- return obj;
-}
-
-static jobject
-_Jv_JNI_PopLocalFrame (JNIEnv *env, jobject result, int stop)
-{
- _Jv_JNI_LocalFrame *rf = env->locals;
-
- bool done = false;
- while (rf != NULL && ! done)
- {
- for (int i = 0; i < rf->size; ++i)
- if (rf->vec[i] != NULL)
- unmark_for_gc (rf->vec[i], local_ref_table);
-
- // If the frame we just freed is the marker frame, we are done.
- done = (rf->marker == stop);
-
- _Jv_JNI_LocalFrame *n = rf->next;
- // When N==NULL, we've reached the stack-allocated frame, and we
- // must not free it. However, we must be sure to clear all its
- // elements, since we might conceivably reuse it.
- if (n == NULL)
- {
- memset (&rf->vec[0], 0, rf->size * sizeof (jobject));
- break;
- }
-
- _Jv_Free (rf);
- rf = n;
- }
-
- // Update the local frame information.
- env->locals = rf;
-
- return result == NULL ? NULL : _Jv_JNI_NewLocalRef (env, result);
-}
-
-static jobject
-_Jv_JNI_PopLocalFrame (JNIEnv *env, jobject result)
-{
- return _Jv_JNI_PopLocalFrame (env, result, MARK_USER);
-}
-
-// Pop a `system' frame from the stack. This is `extern "C"' as it is
-// used by the compiler.
-extern "C" void
-_Jv_JNI_PopSystemFrame (JNIEnv *env)
-{
- _Jv_JNI_PopLocalFrame (env, NULL, MARK_SYSTEM);
-
- if (env->ex)
- {
- jthrowable t = env->ex;
- env->ex = NULL;
- throw t;
- }
-}
-
-// This function is used from other template functions. It wraps the
-// return value appropriately; we specialize it so that object returns
-// are turned into local references.
-template<typename T>
-static T
-wrap_value (JNIEnv *, T value)
-{
- return value;
-}
-
-// This specialization is used for jobject, jclass, jstring, jarray,
-// etc.
-template<typename T>
-static T *
-wrap_value (JNIEnv *env, T *value)
-{
- return (value == NULL
- ? value
- : (T *) _Jv_JNI_NewLocalRef (env, (jobject) value));
-}
-
-\f
-
-static jint
-_Jv_JNI_GetVersion (JNIEnv *)
-{
- return JNI_VERSION_1_2;
-}
-
-static jclass
-_Jv_JNI_DefineClass (JNIEnv *env, jobject loader,
- const jbyte *buf, jsize bufLen)
-{
- try
- {
- loader = unwrap (loader);
-
- jbyteArray bytes = JvNewByteArray (bufLen);
-
- jbyte *elts = elements (bytes);
- memcpy (elts, buf, bufLen * sizeof (jbyte));
-
- java::lang::ClassLoader *l
- = reinterpret_cast<java::lang::ClassLoader *> (loader);
-
- jclass result = l->defineClass (bytes, 0, bufLen);
- return (jclass) wrap_value (env, result);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- return NULL;
- }
-}
-
-static jclass
-_Jv_JNI_FindClass (JNIEnv *env, const char *name)
-{
- // FIXME: assume that NAME isn't too long.
- int len = strlen (name);
- char s[len + 1];
- for (int i = 0; i <= len; ++i)
- s[i] = (name[i] == '/') ? '.' : name[i];
-
- jclass r = NULL;
- try
- {
- // This might throw an out of memory exception.
- jstring n = JvNewStringUTF (s);
-
- java::lang::ClassLoader *loader = NULL;
- if (env->klass != NULL)
- loader = env->klass->getClassLoader ();
-
- if (loader == NULL)
- {
- // FIXME: should use getBaseClassLoader, but we don't have that
- // yet.
- loader = java::lang::ClassLoader::getSystemClassLoader ();
- }
-
- r = loader->loadClass (n);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-
- return (jclass) wrap_value (env, r);
-}
-
-static jclass
-_Jv_JNI_GetSuperclass (JNIEnv *env, jclass clazz)
-{
- return (jclass) wrap_value (env, unwrap (clazz)->getSuperclass ());
-}
-
-static jboolean
-_Jv_JNI_IsAssignableFrom(JNIEnv *, jclass clazz1, jclass clazz2)
-{
- return unwrap (clazz1)->isAssignableFrom (unwrap (clazz2));
-}
-
-static jint
-_Jv_JNI_Throw (JNIEnv *env, jthrowable obj)
-{
- // We check in case the user did some funky cast.
- obj = unwrap (obj);
- JvAssert (obj != NULL && java::lang::Throwable::class$.isInstance (obj));
- env->ex = obj;
- return 0;
-}
-
-static jint
-_Jv_JNI_ThrowNew (JNIEnv *env, jclass clazz, const char *message)
-{
- using namespace java::lang::reflect;
-
- clazz = unwrap (clazz);
- JvAssert (java::lang::Throwable::class$.isAssignableFrom (clazz));
-
- int r = JNI_OK;
- try
- {
- JArray<jclass> *argtypes
- = (JArray<jclass> *) JvNewObjectArray (1, &java::lang::Class::class$,
- NULL);
-
- jclass *elts = elements (argtypes);
- elts[0] = &StringClass;
-
- Constructor *cons = clazz->getConstructor (argtypes);
-
- jobjectArray values = JvNewObjectArray (1, &StringClass, NULL);
- jobject *velts = elements (values);
- velts[0] = JvNewStringUTF (message);
-
- jobject obj = cons->newInstance (values);
-
- env->ex = reinterpret_cast<jthrowable> (obj);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- r = JNI_ERR;
- }
-
- return r;
-}
-
-static jthrowable
-_Jv_JNI_ExceptionOccurred (JNIEnv *env)
-{
- return (jthrowable) wrap_value (env, env->ex);
-}
-
-static void
-_Jv_JNI_ExceptionDescribe (JNIEnv *env)
-{
- if (env->ex != NULL)
- env->ex->printStackTrace();
-}
-
-static void
-_Jv_JNI_ExceptionClear (JNIEnv *env)
-{
- env->ex = NULL;
-}
-
-static jboolean
-_Jv_JNI_ExceptionCheck (JNIEnv *env)
-{
- return env->ex != NULL;
-}
-
-static void
-_Jv_JNI_FatalError (JNIEnv *, const char *message)
-{
- JvFail (message);
-}
-
-\f
-
-static jboolean
-_Jv_JNI_IsSameObject (JNIEnv *, jobject obj1, jobject obj2)
-{
- return unwrap (obj1) == unwrap (obj2);
-}
-
-static jobject
-_Jv_JNI_AllocObject (JNIEnv *env, jclass clazz)
-{
- jobject obj = NULL;
- using namespace java::lang::reflect;
-
- try
- {
- clazz = unwrap (clazz);
- JvAssert (clazz && ! clazz->isArray ());
- if (clazz->isInterface() || Modifier::isAbstract(clazz->getModifiers()))
- env->ex = new java::lang::InstantiationException ();
- else
- {
- // FIXME: will this work for String?
- obj = JvAllocObject (clazz);
- }
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-
- return wrap_value (env, obj);
-}
-
-static jclass
-_Jv_JNI_GetObjectClass (JNIEnv *env, jobject obj)
-{
- obj = unwrap (obj);
- JvAssert (obj);
- return (jclass) wrap_value (env, obj->getClass());
-}
-
-static jboolean
-_Jv_JNI_IsInstanceOf (JNIEnv *, jobject obj, jclass clazz)
-{
- return unwrap (clazz)->isInstance(unwrap (obj));
-}
-
-\f
-
-//
-// This section concerns method invocation.
-//
-
-template<jboolean is_static>
-static jmethodID
-_Jv_JNI_GetAnyMethodID (JNIEnv *env, jclass clazz,
- const char *name, const char *sig)
-{
- try
- {
- clazz = unwrap (clazz);
- _Jv_InitClass (clazz);
-
- _Jv_Utf8Const *name_u = _Jv_makeUtf8Const ((char *) name, -1);
-
- // FIXME: assume that SIG isn't too long.
- int len = strlen (sig);
- char s[len + 1];
- for (int i = 0; i <= len; ++i)
- s[i] = (sig[i] == '/') ? '.' : sig[i];
- _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) s, -1);
-
- JvAssert (! clazz->isPrimitive());
-
- using namespace java::lang::reflect;
-
- while (clazz != NULL)
- {
- jint count = JvNumMethods (clazz);
- jmethodID meth = JvGetFirstMethod (clazz);
-
- for (jint i = 0; i < count; ++i)
- {
- if (((is_static && Modifier::isStatic (meth->accflags))
- || (! is_static && ! Modifier::isStatic (meth->accflags)))
- && _Jv_equalUtf8Consts (meth->name, name_u)
- && _Jv_equalUtf8Consts (meth->signature, sig_u))
- return meth;
-
- meth = meth->getNextMethod();
- }
-
- clazz = clazz->getSuperclass ();
- }
-
- env->ex = new java::lang::NoSuchMethodError ();
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-
- return NULL;
-}
-
-// This is a helper function which turns a va_list into an array of
-// `jvalue's. It needs signature information in order to do its work.
-// The array of values must already be allocated.
-static void
-array_from_valist (jvalue *values, JArray<jclass> *arg_types, va_list vargs)
-{
- jclass *arg_elts = elements (arg_types);
- for (int i = 0; i < arg_types->length; ++i)
- {
- if (arg_elts[i] == JvPrimClass (byte))
- values[i].b = (jbyte) va_arg (vargs, int);
- else if (arg_elts[i] == JvPrimClass (short))
- values[i].s = (jshort) va_arg (vargs, int);
- else if (arg_elts[i] == JvPrimClass (int))
- values[i].i = va_arg (vargs, jint);
- else if (arg_elts[i] == JvPrimClass (long))
- values[i].j = va_arg (vargs, jlong);
- else if (arg_elts[i] == JvPrimClass (float))
- values[i].f = va_arg (vargs, jfloat);
- else if (arg_elts[i] == JvPrimClass (double))
- values[i].d = va_arg (vargs, jdouble);
- else if (arg_elts[i] == JvPrimClass (boolean))
- values[i].z = (jboolean) va_arg (vargs, int);
- else if (arg_elts[i] == JvPrimClass (char))
- values[i].c = (jchar) va_arg (vargs, int);
- else
- {
- // An object.
- values[i].l = unwrap (va_arg (vargs, jobject));
- }
- }
-}
-
-// This can call any sort of method: virtual, "nonvirtual", static, or
-// constructor.
-template<typename T, invocation_type style>
-static T
-_Jv_JNI_CallAnyMethodV (JNIEnv *env, jobject obj, jclass klass,
- jmethodID id, va_list vargs)
-{
- obj = unwrap (obj);
- klass = unwrap (klass);
-
- if (style == normal)
- id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature);
-
- jclass decl_class = klass ? klass : obj->getClass ();
- JvAssert (decl_class != NULL);
-
- jclass return_type;
- JArray<jclass> *arg_types;
-
- try
- {
- _Jv_GetTypesFromSignature (id, decl_class,
- &arg_types, &return_type);
-
- jvalue args[arg_types->length];
- array_from_valist (args, arg_types, vargs);
-
- // For constructors we need to pass the Class we are instantiating.
- if (style == constructor)
- return_type = klass;
-
- jvalue result;
- jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id,
- style == constructor,
- arg_types, args, &result);
-
- if (ex != NULL)
- env->ex = ex;
-
- // We cheat a little here. FIXME.
- return wrap_value (env, * (T *) &result);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-
- return wrap_value (env, (T) 0);
-}
-
-template<typename T, invocation_type style>
-static T
-_Jv_JNI_CallAnyMethod (JNIEnv *env, jobject obj, jclass klass,
- jmethodID method, ...)
-{
- va_list args;
- T result;
-
- va_start (args, method);
- result = _Jv_JNI_CallAnyMethodV<T, style> (env, obj, klass, method, args);
- va_end (args);
-
- return result;
-}
-
-template<typename T, invocation_type style>
-static T
-_Jv_JNI_CallAnyMethodA (JNIEnv *env, jobject obj, jclass klass,
- jmethodID id, jvalue *args)
-{
- obj = unwrap (obj);
- klass = unwrap (klass);
-
- if (style == normal)
- id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature);
-
- jclass decl_class = klass ? klass : obj->getClass ();
- JvAssert (decl_class != NULL);
-
- jclass return_type;
- JArray<jclass> *arg_types;
- try
- {
- _Jv_GetTypesFromSignature (id, decl_class,
- &arg_types, &return_type);
-
- // For constructors we need to pass the Class we are instantiating.
- if (style == constructor)
- return_type = klass;
-
- // Unwrap arguments as required. Eww.
- jclass *type_elts = elements (arg_types);
- jvalue arg_copy[arg_types->length];
- for (int i = 0; i < arg_types->length; ++i)
- {
- if (type_elts[i]->isPrimitive ())
- arg_copy[i] = args[i];
- else
- arg_copy[i].l = unwrap (args[i].l);
- }
-
- jvalue result;
- jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id,
- style == constructor,
- arg_types, arg_copy, &result);
-
- if (ex != NULL)
- env->ex = ex;
-
- // We cheat a little here. FIXME.
- return wrap_value (env, * (T *) &result);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-
- return wrap_value (env, (T) 0);
-}
-
-template<invocation_type style>
-static void
-_Jv_JNI_CallAnyVoidMethodV (JNIEnv *env, jobject obj, jclass klass,
- jmethodID id, va_list vargs)
-{
- obj = unwrap (obj);
- klass = unwrap (klass);
-
- if (style == normal)
- id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature);
-
- jclass decl_class = klass ? klass : obj->getClass ();
- JvAssert (decl_class != NULL);
-
- jclass return_type;
- JArray<jclass> *arg_types;
- try
- {
- _Jv_GetTypesFromSignature (id, decl_class,
- &arg_types, &return_type);
-
- jvalue args[arg_types->length];
- array_from_valist (args, arg_types, vargs);
-
- // For constructors we need to pass the Class we are instantiating.
- if (style == constructor)
- return_type = klass;
-
- jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id,
- style == constructor,
- arg_types, args, NULL);
-
- if (ex != NULL)
- env->ex = ex;
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-}
-
-template<invocation_type style>
-static void
-_Jv_JNI_CallAnyVoidMethod (JNIEnv *env, jobject obj, jclass klass,
- jmethodID method, ...)
-{
- va_list args;
-
- va_start (args, method);
- _Jv_JNI_CallAnyVoidMethodV<style> (env, obj, klass, method, args);
- va_end (args);
-}
-
-template<invocation_type style>
-static void
-_Jv_JNI_CallAnyVoidMethodA (JNIEnv *env, jobject obj, jclass klass,
- jmethodID id, jvalue *args)
-{
- if (style == normal)
- id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature);
-
- jclass decl_class = klass ? klass : obj->getClass ();
- JvAssert (decl_class != NULL);
-
- jclass return_type;
- JArray<jclass> *arg_types;
- try
- {
- _Jv_GetTypesFromSignature (id, decl_class,
- &arg_types, &return_type);
-
- // Unwrap arguments as required. Eww.
- jclass *type_elts = elements (arg_types);
- jvalue arg_copy[arg_types->length];
- for (int i = 0; i < arg_types->length; ++i)
- {
- if (type_elts[i]->isPrimitive ())
- arg_copy[i] = args[i];
- else
- arg_copy[i].l = unwrap (args[i].l);
- }
-
- jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id,
- style == constructor,
- arg_types, args, NULL);
-
- if (ex != NULL)
- env->ex = ex;
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-}
-
-// Functions with this signature are used to implement functions in
-// the CallMethod family.
-template<typename T>
-static T
-_Jv_JNI_CallMethodV (JNIEnv *env, jobject obj, jmethodID id, va_list args)
-{
- return _Jv_JNI_CallAnyMethodV<T, normal> (env, obj, NULL, id, args);
-}
-
-// Functions with this signature are used to implement functions in
-// the CallMethod family.
-template<typename T>
-static T
-_Jv_JNI_CallMethod (JNIEnv *env, jobject obj, jmethodID id, ...)
-{
- va_list args;
- T result;
-
- va_start (args, id);
- result = _Jv_JNI_CallAnyMethodV<T, normal> (env, obj, NULL, id, args);
- va_end (args);
-
- return result;
-}
-
-// Functions with this signature are used to implement functions in
-// the CallMethod family.
-template<typename T>
-static T
-_Jv_JNI_CallMethodA (JNIEnv *env, jobject obj, jmethodID id, jvalue *args)
-{
- return _Jv_JNI_CallAnyMethodA<T, normal> (env, obj, NULL, id, args);
-}
-
-static void
-_Jv_JNI_CallVoidMethodV (JNIEnv *env, jobject obj, jmethodID id, va_list args)
-{
- _Jv_JNI_CallAnyVoidMethodV<normal> (env, obj, NULL, id, args);
-}
-
-static void
-_Jv_JNI_CallVoidMethod (JNIEnv *env, jobject obj, jmethodID id, ...)
-{
- va_list args;
-
- va_start (args, id);
- _Jv_JNI_CallAnyVoidMethodV<normal> (env, obj, NULL, id, args);
- va_end (args);
-}
-
-static void
-_Jv_JNI_CallVoidMethodA (JNIEnv *env, jobject obj, jmethodID id, jvalue *args)
-{
- _Jv_JNI_CallAnyVoidMethodA<normal> (env, obj, NULL, id, args);
-}
-
-// Functions with this signature are used to implement functions in
-// the CallStaticMethod family.
-template<typename T>
-static T
-_Jv_JNI_CallStaticMethodV (JNIEnv *env, jclass klass,
- jmethodID id, va_list args)
-{
- JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC));
- JvAssert (java::lang::Class::class$.isInstance (unwrap (klass)));
-
- return _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass, id, args);
-}
-
-// Functions with this signature are used to implement functions in
-// the CallStaticMethod family.
-template<typename T>
-static T
-_Jv_JNI_CallStaticMethod (JNIEnv *env, jclass klass, jmethodID id, ...)
-{
- va_list args;
- T result;
-
- JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC));
- JvAssert (java::lang::Class::class$.isInstance (unwrap (klass)));
-
- va_start (args, id);
- result = _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass,
- id, args);
- va_end (args);
-
- return result;
-}
-
-// Functions with this signature are used to implement functions in
-// the CallStaticMethod family.
-template<typename T>
-static T
-_Jv_JNI_CallStaticMethodA (JNIEnv *env, jclass klass, jmethodID id,
- jvalue *args)
-{
- JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC));
- JvAssert (java::lang::Class::class$.isInstance (unwrap (klass)));
-
- return _Jv_JNI_CallAnyMethodA<T, static_type> (env, NULL, klass, id, args);
-}
-
-static void
-_Jv_JNI_CallStaticVoidMethodV (JNIEnv *env, jclass klass, jmethodID id,
- va_list args)
-{
- _Jv_JNI_CallAnyVoidMethodV<static_type> (env, NULL, klass, id, args);
-}
-
-static void
-_Jv_JNI_CallStaticVoidMethod (JNIEnv *env, jclass klass, jmethodID id, ...)
-{
- va_list args;
-
- va_start (args, id);
- _Jv_JNI_CallAnyVoidMethodV<static_type> (env, NULL, klass, id, args);
- va_end (args);
-}
-
-static void
-_Jv_JNI_CallStaticVoidMethodA (JNIEnv *env, jclass klass, jmethodID id,
- jvalue *args)
-{
- _Jv_JNI_CallAnyVoidMethodA<static_type> (env, NULL, klass, id, args);
-}
-
-static jobject
-_Jv_JNI_NewObjectV (JNIEnv *env, jclass klass,
- jmethodID id, va_list args)
-{
- JvAssert (klass && ! klass->isArray ());
- JvAssert (! strcmp (id->name->data, "<init>")
- && id->signature->length > 2
- && id->signature->data[0] == '('
- && ! strcmp (&id->signature->data[id->signature->length - 2],
- ")V"));
-
- return _Jv_JNI_CallAnyMethodV<jobject, constructor> (env, NULL, klass,
- id, args);
-}
-
-static jobject
-_Jv_JNI_NewObject (JNIEnv *env, jclass klass, jmethodID id, ...)
-{
- JvAssert (klass && ! klass->isArray ());
- JvAssert (! strcmp (id->name->data, "<init>")
- && id->signature->length > 2
- && id->signature->data[0] == '('
- && ! strcmp (&id->signature->data[id->signature->length - 2],
- ")V"));
-
- va_list args;
- jobject result;
-
- va_start (args, id);
- result = _Jv_JNI_CallAnyMethodV<jobject, constructor> (env, NULL, klass,
- id, args);
- va_end (args);
-
- return result;
-}
-
-static jobject
-_Jv_JNI_NewObjectA (JNIEnv *env, jclass klass, jmethodID id,
- jvalue *args)
-{
- JvAssert (klass && ! klass->isArray ());
- JvAssert (! strcmp (id->name->data, "<init>")
- && id->signature->length > 2
- && id->signature->data[0] == '('
- && ! strcmp (&id->signature->data[id->signature->length - 2],
- ")V"));
-
- return _Jv_JNI_CallAnyMethodA<jobject, constructor> (env, NULL, klass,
- id, args);
-}
-
-\f
-
-template<typename T>
-static T
-_Jv_JNI_GetField (JNIEnv *env, jobject obj, jfieldID field)
-{
- obj = unwrap (obj);
- JvAssert (obj);
- T *ptr = (T *) ((char *) obj + field->getOffset ());
- return wrap_value (env, *ptr);
-}
-
-template<typename T>
-static void
-_Jv_JNI_SetField (JNIEnv *, jobject obj, jfieldID field, T value)
-{
- obj = unwrap (obj);
- value = unwrap (value);
-
- JvAssert (obj);
- T *ptr = (T *) ((char *) obj + field->getOffset ());
- *ptr = value;
-}
-
-template<jboolean is_static>
-static jfieldID
-_Jv_JNI_GetAnyFieldID (JNIEnv *env, jclass clazz,
- const char *name, const char *sig)
-{
- try
- {
- clazz = unwrap (clazz);
-
- _Jv_InitClass (clazz);
-
- _Jv_Utf8Const *a_name = _Jv_makeUtf8Const ((char *) name, -1);
-
- // FIXME: assume that SIG isn't too long.
- int len = strlen (sig);
- char s[len + 1];
- for (int i = 0; i <= len; ++i)
- s[i] = (sig[i] == '/') ? '.' : sig[i];
- jclass field_class = _Jv_FindClassFromSignature ((char *) s, NULL);
-
- // FIXME: what if field_class == NULL?
-
- java::lang::ClassLoader *loader = clazz->getClassLoader ();
- while (clazz != NULL)
- {
- // We acquire the class lock so that fields aren't resolved
- // while we are running.
- JvSynchronize sync (clazz);
-
- jint count = (is_static
- ? JvNumStaticFields (clazz)
- : JvNumInstanceFields (clazz));
- jfieldID field = (is_static
- ? JvGetFirstStaticField (clazz)
- : JvGetFirstInstanceField (clazz));
- for (jint i = 0; i < count; ++i)
- {
- _Jv_Utf8Const *f_name = field->getNameUtf8Const(clazz);
-
- // The field might be resolved or it might not be. It
- // is much simpler to always resolve it.
- _Jv_ResolveField (field, loader);
- if (_Jv_equalUtf8Consts (f_name, a_name)
- && field->getClass() == field_class)
- return field;
-
- field = field->getNextField ();
- }
-
- clazz = clazz->getSuperclass ();
- }
-
- env->ex = new java::lang::NoSuchFieldError ();
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
- return NULL;
-}
-
-template<typename T>
-static T
-_Jv_JNI_GetStaticField (JNIEnv *env, jclass, jfieldID field)
-{
- T *ptr = (T *) field->u.addr;
- return wrap_value (env, *ptr);
-}
-
-template<typename T>
-static void
-_Jv_JNI_SetStaticField (JNIEnv *, jclass, jfieldID field, T value)
-{
- value = unwrap (value);
- T *ptr = (T *) field->u.addr;
- *ptr = value;
-}
-
-static jstring
-_Jv_JNI_NewString (JNIEnv *env, const jchar *unichars, jsize len)
-{
- try
- {
- jstring r = _Jv_NewString (unichars, len);
- return (jstring) wrap_value (env, r);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- return NULL;
- }
-}
-
-static jsize
-_Jv_JNI_GetStringLength (JNIEnv *, jstring string)
-{
- return unwrap (string)->length();
-}
-
-static const jchar *
-_Jv_JNI_GetStringChars (JNIEnv *, jstring string, jboolean *isCopy)
-{
- string = unwrap (string);
- jchar *result = _Jv_GetStringChars (string);
- mark_for_gc (string, global_ref_table);
- if (isCopy)
- *isCopy = false;
- return (const jchar *) result;
-}
-
-static void
-_Jv_JNI_ReleaseStringChars (JNIEnv *, jstring string, const jchar *)
-{
- unmark_for_gc (unwrap (string), global_ref_table);
-}
-
-static jstring
-_Jv_JNI_NewStringUTF (JNIEnv *env, const char *bytes)
-{
- try
- {
- jstring result = JvNewStringUTF (bytes);
- return (jstring) wrap_value (env, result);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- return NULL;
- }
-}
-
-static jsize
-_Jv_JNI_GetStringUTFLength (JNIEnv *, jstring string)
-{
- return JvGetStringUTFLength (unwrap (string));
-}
-
-static const char *
-_Jv_JNI_GetStringUTFChars (JNIEnv *env, jstring string, jboolean *isCopy)
-{
- string = unwrap (string);
- jsize len = JvGetStringUTFLength (string);
- try
- {
- char *r = (char *) _Jv_Malloc (len + 1);
- JvGetStringUTFRegion (string, 0, len, r);
- r[len] = '\0';
-
- if (isCopy)
- *isCopy = true;
-
- return (const char *) r;
- }
- catch (jthrowable t)
- {
- env->ex = t;
- return NULL;
- }
-}
-
-static void
-_Jv_JNI_ReleaseStringUTFChars (JNIEnv *, jstring, const char *utf)
-{
- _Jv_Free ((void *) utf);
-}
-
-static void
-_Jv_JNI_GetStringRegion (JNIEnv *env, jstring string, jsize start, jsize len,
- jchar *buf)
-{
- string = unwrap (string);
- jchar *result = _Jv_GetStringChars (string);
- if (start < 0 || start > string->length ()
- || len < 0 || start + len > string->length ())
- {
- try
- {
- env->ex = new java::lang::StringIndexOutOfBoundsException ();
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
- }
- else
- memcpy (buf, &result[start], len * sizeof (jchar));
-}
-
-static void
-_Jv_JNI_GetStringUTFRegion (JNIEnv *env, jstring str, jsize start,
- jsize len, char *buf)
-{
- str = unwrap (str);
-
- if (start < 0 || start > str->length ()
- || len < 0 || start + len > str->length ())
- {
- try
- {
- env->ex = new java::lang::StringIndexOutOfBoundsException ();
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
- }
- else
- _Jv_GetStringUTFRegion (str, start, len, buf);
-}
-
-static const jchar *
-_Jv_JNI_GetStringCritical (JNIEnv *, jstring str, jboolean *isCopy)
-{
- jchar *result = _Jv_GetStringChars (unwrap (str));
- if (isCopy)
- *isCopy = false;
- return result;
-}
-
-static void
-_Jv_JNI_ReleaseStringCritical (JNIEnv *, jstring, const jchar *)
-{
- // Nothing.
-}
-
-static jsize
-_Jv_JNI_GetArrayLength (JNIEnv *, jarray array)
-{
- return unwrap (array)->length;
-}
-
-static jarray
-_Jv_JNI_NewObjectArray (JNIEnv *env, jsize length, jclass elementClass,
- jobject init)
-{
- try
- {
- elementClass = unwrap (elementClass);
- init = unwrap (init);
-
- jarray result = JvNewObjectArray (length, elementClass, init);
- return (jarray) wrap_value (env, result);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- return NULL;
- }
-}
-
-static jobject
-_Jv_JNI_GetObjectArrayElement (JNIEnv *env, jobjectArray array, jsize index)
-{
- jobject *elts = elements (unwrap (array));
- return wrap_value (env, elts[index]);
-}
-
-static void
-_Jv_JNI_SetObjectArrayElement (JNIEnv *env, jobjectArray array, jsize index,
- jobject value)
-{
- try
- {
- array = unwrap (array);
- value = unwrap (value);
-
- _Jv_CheckArrayStore (array, value);
- jobject *elts = elements (array);
- elts[index] = value;
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-}
-
-template<typename T, jclass K>
-static JArray<T> *
-_Jv_JNI_NewPrimitiveArray (JNIEnv *env, jsize length)
-{
- try
- {
- return (JArray<T> *) wrap_value (env, _Jv_NewPrimArray (K, length));
- }
- catch (jthrowable t)
- {
- env->ex = t;
- return NULL;
- }
-}
-
-template<typename T>
-static T *
-_Jv_JNI_GetPrimitiveArrayElements (JNIEnv *, JArray<T> *array,
- jboolean *isCopy)
-{
- array = unwrap (array);
- T *elts = elements (array);
- if (isCopy)
- {
- // We elect never to copy.
- *isCopy = false;
- }
- mark_for_gc (array, global_ref_table);
- return elts;
-}
-
-template<typename T>
-static void
-_Jv_JNI_ReleasePrimitiveArrayElements (JNIEnv *, JArray<T> *array,
- T *, jint /* mode */)
-{
- array = unwrap (array);
- // Note that we ignore MODE. We can do this because we never copy
- // the array elements. My reading of the JNI documentation is that
- // this is an option for the implementor.
- unmark_for_gc (array, global_ref_table);
-}
-
-template<typename T>
-static void
-_Jv_JNI_GetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array,
- jsize start, jsize len,
- T *buf)
-{
- array = unwrap (array);
-
- // The cast to unsigned lets us save a comparison.
- if (start < 0 || len < 0
- || (unsigned long) (start + len) > (unsigned long) array->length)
- {
- try
- {
- // FIXME: index.
- env->ex = new java::lang::ArrayIndexOutOfBoundsException ();
- }
- catch (jthrowable t)
- {
- // Could have thown out of memory error.
- env->ex = t;
- }
- }
- else
- {
- T *elts = elements (array) + start;
- memcpy (buf, elts, len * sizeof (T));
- }
-}
-
-template<typename T>
-static void
-_Jv_JNI_SetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array,
- jsize start, jsize len, T *buf)
-{
- array = unwrap (array);
-
- // The cast to unsigned lets us save a comparison.
- if (start < 0 || len < 0
- || (unsigned long) (start + len) > (unsigned long) array->length)
- {
- try
- {
- // FIXME: index.
- env->ex = new java::lang::ArrayIndexOutOfBoundsException ();
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
- }
- else
- {
- T *elts = elements (array) + start;
- memcpy (elts, buf, len * sizeof (T));
- }
-}
-
-static void *
-_Jv_JNI_GetPrimitiveArrayCritical (JNIEnv *, jarray array,
- jboolean *isCopy)
-{
- array = unwrap (array);
- // FIXME: does this work?
- jclass klass = array->getClass()->getComponentType();
- JvAssert (klass->isPrimitive ());
- char *r = _Jv_GetArrayElementFromElementType (array, klass);
- if (isCopy)
- *isCopy = false;
- return r;
-}
-
-static void
-_Jv_JNI_ReleasePrimitiveArrayCritical (JNIEnv *, jarray, void *, jint)
-{
- // Nothing.
-}
-
-static jint
-_Jv_JNI_MonitorEnter (JNIEnv *env, jobject obj)
-{
- try
- {
- _Jv_MonitorEnter (unwrap (obj));
- return 0;
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
- return JNI_ERR;
-}
-
-static jint
-_Jv_JNI_MonitorExit (JNIEnv *env, jobject obj)
-{
- try
- {
- _Jv_MonitorExit (unwrap (obj));
- return 0;
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
- return JNI_ERR;
-}
-
-// JDK 1.2
-jobject
-_Jv_JNI_ToReflectedField (JNIEnv *env, jclass cls, jfieldID fieldID,
- jboolean)
-{
- try
- {
- cls = unwrap (cls);
- java::lang::reflect::Field *field = new java::lang::reflect::Field();
- field->declaringClass = cls;
- field->offset = (char*) fieldID - (char *) cls->fields;
- field->name = _Jv_NewStringUtf8Const (fieldID->getNameUtf8Const (cls));
- return wrap_value (env, field);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
- return NULL;
-}
-
-// JDK 1.2
-static jfieldID
-_Jv_JNI_FromReflectedField (JNIEnv *, jobject f)
-{
- using namespace java::lang::reflect;
-
- f = unwrap (f);
- Field *field = reinterpret_cast<Field *> (f);
- return _Jv_FromReflectedField (field);
-}
-
-jobject
-_Jv_JNI_ToReflectedMethod (JNIEnv *env, jclass klass, jmethodID id,
- jboolean)
-{
- using namespace java::lang::reflect;
-
- jobject result = NULL;
- klass = unwrap (klass);
-
- try
- {
- if (_Jv_equalUtf8Consts (id->name, init_name))
- {
- // A constructor.
- Constructor *cons = new Constructor ();
- cons->offset = (char *) id - (char *) &klass->methods;
- cons->declaringClass = klass;
- result = cons;
- }
- else
- {
- Method *meth = new Method ();
- meth->offset = (char *) id - (char *) &klass->methods;
- meth->declaringClass = klass;
- result = meth;
- }
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-
- return wrap_value (env, result);
-}
-
-static jmethodID
-_Jv_JNI_FromReflectedMethod (JNIEnv *, jobject method)
-{
- using namespace java::lang::reflect;
- method = unwrap (method);
- if (Method::class$.isInstance (method))
- return _Jv_FromReflectedMethod (reinterpret_cast<Method *> (method));
- return
- _Jv_FromReflectedConstructor (reinterpret_cast<Constructor *> (method));
-}
-
-// JDK 1.2.
-jweak
-_Jv_JNI_NewWeakGlobalRef (JNIEnv *env, jobject obj)
-{
- using namespace gnu::gcj::runtime;
- JNIWeakRef *ref = NULL;
-
- try
- {
- // This seems weird but I think it is correct.
- obj = unwrap (obj);
- ref = new JNIWeakRef (obj);
- mark_for_gc (ref, global_ref_table);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
-
- return reinterpret_cast<jweak> (ref);
-}
-
-void
-_Jv_JNI_DeleteWeakGlobalRef (JNIEnv *, jweak obj)
-{
- using namespace gnu::gcj::runtime;
- JNIWeakRef *ref = reinterpret_cast<JNIWeakRef *> (obj);
- unmark_for_gc (ref, global_ref_table);
- ref->clear ();
-}
-
-\f
-
-// Hash table of native methods.
-static JNINativeMethod *nathash;
-// Number of slots used.
-static int nathash_count = 0;
-// Number of slots available. Must be power of 2.
-static int nathash_size = 0;
-
-#define DELETED_ENTRY ((char *) (~0))
-
-// Compute a hash value for a native method descriptor.
-static int
-hash (const JNINativeMethod *method)
-{
- char *ptr;
- int hash = 0;
-
- ptr = method->name;
- while (*ptr)
- hash = (31 * hash) + *ptr++;
-
- ptr = method->signature;
- while (*ptr)
- hash = (31 * hash) + *ptr++;
-
- return hash;
-}
-
-// Find the slot where a native method goes.
-static JNINativeMethod *
-nathash_find_slot (const JNINativeMethod *method)
-{
- jint h = hash (method);
- int step = (h ^ (h >> 16)) | 1;
- int w = h & (nathash_size - 1);
- int del = -1;
-
- for (;;)
- {
- JNINativeMethod *slotp = &nathash[w];
- if (slotp->name == NULL)
- {
- if (del >= 0)
- return &nathash[del];
- else
- return slotp;
- }
- else if (slotp->name == DELETED_ENTRY)
- del = w;
- else if (! strcmp (slotp->name, method->name)
- && ! strcmp (slotp->signature, method->signature))
- return slotp;
- w = (w + step) & (nathash_size - 1);
- }
-}
-
-// Find a method. Return NULL if it isn't in the hash table.
-static void *
-nathash_find (JNINativeMethod *method)
-{
- if (nathash == NULL)
- return NULL;
- JNINativeMethod *slot = nathash_find_slot (method);
- if (slot->name == NULL || slot->name == DELETED_ENTRY)
- return NULL;
- return slot->fnPtr;
-}
-
-static void
-natrehash ()
-{
- if (nathash == NULL)
- {
- nathash_size = 1024;
- nathash =
- (JNINativeMethod *) _Jv_AllocBytes (nathash_size
- * sizeof (JNINativeMethod));
- memset (nathash, 0, nathash_size * sizeof (JNINativeMethod));
- }
- else
- {
- int savesize = nathash_size;
- JNINativeMethod *savehash = nathash;
- nathash_size *= 2;
- nathash =
- (JNINativeMethod *) _Jv_AllocBytes (nathash_size
- * sizeof (JNINativeMethod));
- memset (nathash, 0, nathash_size * sizeof (JNINativeMethod));
-
- for (int i = 0; i < savesize; ++i)
- {
- if (savehash[i].name != NULL && savehash[i].name != DELETED_ENTRY)
- {
- JNINativeMethod *slot = nathash_find_slot (&savehash[i]);
- *slot = savehash[i];
- }
- }
- }
-}
-
-static void
-nathash_add (const JNINativeMethod *method)
-{
- if (3 * nathash_count >= 2 * nathash_size)
- natrehash ();
- JNINativeMethod *slot = nathash_find_slot (method);
- // If the slot has a real entry in it, then there is no work to do.
- if (slot->name != NULL && slot->name != DELETED_ENTRY)
- return;
- // FIXME
- slot->name = strdup (method->name);
- slot->signature = strdup (method->signature);
- slot->fnPtr = method->fnPtr;
-}
-
-static jint
-_Jv_JNI_RegisterNatives (JNIEnv *env, jclass klass,
- const JNINativeMethod *methods,
- jint nMethods)
-{
- // Synchronize while we do the work. This must match
- // synchronization in some other functions that manipulate or use
- // the nathash table.
- JvSynchronize sync (global_ref_table);
-
- // Look at each descriptor given us, and find the corresponding
- // method in the class.
- for (int j = 0; j < nMethods; ++j)
- {
- bool found = false;
-
- _Jv_Method *imeths = JvGetFirstMethod (klass);
- for (int i = 0; i < JvNumMethods (klass); ++i)
- {
- _Jv_Method *self = &imeths[i];
-
- if (! strcmp (self->name->data, methods[j].name)
- && ! strcmp (self->signature->data, methods[j].signature))
- {
- if (! (self->accflags
- & java::lang::reflect::Modifier::NATIVE))
- break;
-
- // Found a match that is native.
- found = true;
- nathash_add (&methods[j]);
-
- break;
- }
- }
-
- if (! found)
- {
- jstring m = JvNewStringUTF (methods[j].name);
- try
- {
- env->ex =new java::lang::NoSuchMethodError (m);
- }
- catch (jthrowable t)
- {
- env->ex = t;
- }
- return JNI_ERR;
- }
- }
-
- return JNI_OK;
-}
-
-static jint
-_Jv_JNI_UnregisterNatives (JNIEnv *, jclass)
-{
- // FIXME -- we could implement this.
- return JNI_ERR;
-}
-
-\f
-
-// Add a character to the buffer, encoding properly.
-static void
-add_char (char *buf, jchar c, int *here)
-{
- if (c == '_')
- {
- buf[(*here)++] = '_';
- buf[(*here)++] = '1';
- }
- else if (c == ';')
- {
- buf[(*here)++] = '_';
- buf[(*here)++] = '2';
- }
- else if (c == '[')
- {
- buf[(*here)++] = '_';
- buf[(*here)++] = '3';
- }
-
- // Also check for `.' here because we might be passed an internal
- // qualified class name like `foo.bar'.
- else if (c == '/' || c == '.')
- buf[(*here)++] = '_';
- else if ((c >= '0' && c <= '9')
- || (c >= 'a' && c <= 'z')
- || (c >= 'A' && c <= 'Z'))
- buf[(*here)++] = (char) c;
- else
- {
- // "Unicode" character.
- buf[(*here)++] = '_';
- buf[(*here)++] = '0';
- for (int i = 0; i < 4; ++i)
- {
- int val = c & 0x0f;
- buf[(*here) + 3 - i] = (val > 10) ? ('a' + val - 10) : ('0' + val);
- c >>= 4;
- }
- *here += 4;
- }
-}
-
-// Compute a mangled name for a native function. This computes the
-// long name, and also returns an index which indicates where a NUL
-// can be placed to create the short name. This function assumes that
-// the buffer is large enough for its results.
-static void
-mangled_name (jclass klass, _Jv_Utf8Const *func_name,
- _Jv_Utf8Const *signature, char *buf, int *long_start)
-{
- strcpy (buf, "Java_");
- int here = 5;
-
- // Add fully qualified class name.
- jchar *chars = _Jv_GetStringChars (klass->getName ());
- jint len = klass->getName ()->length ();
- for (int i = 0; i < len; ++i)
- add_char (buf, chars[i], &here);
-
- // Don't use add_char because we need a literal `_'.
- buf[here++] = '_';
-
- const unsigned char *fn = (const unsigned char *) func_name->data;
- const unsigned char *limit = fn + func_name->length;
- for (int i = 0; ; ++i)
- {
- int ch = UTF8_GET (fn, limit);
- if (ch < 0)
- break;
- add_char (buf, ch, &here);
- }
-
- // This is where the long signature begins.
- *long_start = here;
- buf[here++] = '_';
- buf[here++] = '_';
-
- const unsigned char *sig = (const unsigned char *) signature->data;
- limit = sig + signature->length;
- JvAssert (sig[0] == '(');
- ++sig;
- while (1)
- {
- int ch = UTF8_GET (sig, limit);
- if (ch == ')' || ch < 0)
- break;
- add_char (buf, ch, &here);
- }
-
- buf[here] = '\0';
-}
-
-// Return the current thread's JNIEnv; if one does not exist, create
-// it. Also create a new system frame for use. This is `extern "C"'
-// because the compiler calls it.
-extern "C" JNIEnv *
-_Jv_GetJNIEnvNewFrame (jclass klass)
-{
- JNIEnv *env = _Jv_GetCurrentJNIEnv ();
- if (env == NULL)
- {
- env = (JNIEnv *) _Jv_MallocUnchecked (sizeof (JNIEnv));
- env->p = &_Jv_JNIFunctions;
- env->ex = NULL;
- env->klass = klass;
- env->locals = NULL;
-
- _Jv_SetCurrentJNIEnv (env);
- }
-
- _Jv_JNI_LocalFrame *frame
- = (_Jv_JNI_LocalFrame *) _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame)
- + (FRAME_SIZE
- * sizeof (jobject)));
-
- frame->marker = MARK_SYSTEM;
- frame->size = FRAME_SIZE;
- frame->next = env->locals;
- env->locals = frame;
-
- for (int i = 0; i < frame->size; ++i)
- frame->vec[i] = NULL;
-
- return env;
-}
-
-// Return the function which implements a particular JNI method. If
-// we can't find the function, we throw the appropriate exception.
-// This is `extern "C"' because the compiler uses it.
-extern "C" void *
-_Jv_LookupJNIMethod (jclass klass, _Jv_Utf8Const *name,
- _Jv_Utf8Const *signature)
-{
- char buf[10 + 6 * (name->length + signature->length)];
- int long_start;
- void *function;
-
- // Synchronize on something convenient. Right now we use the hash.
- JvSynchronize sync (global_ref_table);
-
- // First see if we have an override in the hash table.
- strncpy (buf, name->data, name->length);
- buf[name->length] = '\0';
- strncpy (buf + name->length + 1, signature->data, signature->length);
- buf[name->length + signature->length + 1] = '\0';
- JNINativeMethod meth;
- meth.name = buf;
- meth.signature = buf + name->length + 1;
- function = nathash_find (&meth);
- if (function != NULL)
- return function;
-
- // If there was no override, then look in the symbol table.
- mangled_name (klass, name, signature, buf, &long_start);
- char c = buf[long_start];
- buf[long_start] = '\0';
- function = _Jv_FindSymbolInExecutable (buf);
- if (function == NULL)
- {
- buf[long_start] = c;
- function = _Jv_FindSymbolInExecutable (buf);
- if (function == NULL)
- {
- jstring str = JvNewStringUTF (name->data);
- throw new java::lang::UnsatisfiedLinkError (str);
- }
- }
-
- return function;
-}
-
-#ifdef INTERPRETER
-
-// This function is the stub which is used to turn an ordinary (CNI)
-// method call into a JNI call.
-void
-_Jv_JNIMethod::call (ffi_cif *, void *ret, ffi_raw *args, void *__this)
-{
- _Jv_JNIMethod* _this = (_Jv_JNIMethod *) __this;
-
- JNIEnv *env = _Jv_GetJNIEnvNewFrame (_this->defining_class);
-
- // FIXME: we should mark every reference parameter as a local. For
- // now we assume a conservative GC, and we assume that the
- // references are on the stack somewhere.
-
- // We cache the value that we find, of course, but if we don't find
- // a value we don't cache that fact -- we might subsequently load a
- // library which finds the function in question.
- {
- // Synchronize on a convenient object to ensure sanity in case two
- // threads reach this point for the same function at the same
- // time.
- JvSynchronize sync (global_ref_table);
- if (_this->function == NULL)
- _this->function = _Jv_LookupJNIMethod (_this->defining_class,
- _this->self->name,
- _this->self->signature);
- }
-
- JvAssert (_this->args_raw_size % sizeof (ffi_raw) == 0);
- ffi_raw real_args[2 + _this->args_raw_size / sizeof (ffi_raw)];
- int offset = 0;
-
- // First argument is always the environment pointer.
- real_args[offset++].ptr = env;
-
- // For a static method, we pass in the Class. For non-static
- // methods, the `this' argument is already handled.
- if ((_this->self->accflags & java::lang::reflect::Modifier::STATIC))
- real_args[offset++].ptr = _this->defining_class;
-
- // In libgcj, the callee synchronizes.
- jobject sync = NULL;
- if ((_this->self->accflags & java::lang::reflect::Modifier::SYNCHRONIZED))
- {
- if ((_this->self->accflags & java::lang::reflect::Modifier::STATIC))
- sync = _this->defining_class;
- else
- sync = (jobject) args[0].ptr;
- _Jv_MonitorEnter (sync);
- }
-
- // Copy over passed-in arguments.
- memcpy (&real_args[offset], args, _this->args_raw_size);
-
- // The actual call to the JNI function.
- ffi_raw_call (&_this->jni_cif, (void (*)()) _this->function,
- ret, real_args);
-
- if (sync != NULL)
- _Jv_MonitorExit (sync);
-
- _Jv_JNI_PopSystemFrame (env);
-}
-
-#endif /* INTERPRETER */
-
-\f
-
-//
-// Invocation API.
-//
-
-// An internal helper function.
-static jint
-_Jv_JNI_AttachCurrentThread (JavaVM *, jstring name, void **penv, void *args)
-{
- JavaVMAttachArgs *attach = reinterpret_cast<JavaVMAttachArgs *> (args);
- java::lang::ThreadGroup *group = NULL;
-
- if (attach)
- {
- // FIXME: do we really want to support 1.1?
- if (attach->version != JNI_VERSION_1_2
- && attach->version != JNI_VERSION_1_1)
- return JNI_EVERSION;
-
- JvAssert (java::lang::ThreadGroup::class$.isInstance (attach->group));
- group = reinterpret_cast<java::lang::ThreadGroup *> (attach->group);
- }
-
- // Attaching an already-attached thread is a no-op.
- if (_Jv_GetCurrentJNIEnv () != NULL)
- return 0;
-
- JNIEnv *env = (JNIEnv *) _Jv_MallocUnchecked (sizeof (JNIEnv));
- if (env == NULL)
- return JNI_ERR;
- env->p = &_Jv_JNIFunctions;
- env->ex = NULL;
- env->klass = NULL;
- env->locals
- = (_Jv_JNI_LocalFrame *) _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame)
- + (FRAME_SIZE
- * sizeof (jobject)));
- if (env->locals == NULL)
- {
- _Jv_Free (env);
- return JNI_ERR;
- }
-
- env->locals->marker = MARK_SYSTEM;
- env->locals->size = FRAME_SIZE;
- env->locals->next = NULL;
-
- for (int i = 0; i < env->locals->size; ++i)
- env->locals->vec[i] = NULL;
-
- *penv = reinterpret_cast<void *> (env);
-
- // This thread might already be a Java thread -- this function might
- // have been called simply to set the new JNIEnv.
- if (_Jv_ThreadCurrent () == NULL)
- {
- try
- {
- _Jv_AttachCurrentThread (name, group);
- }
- catch (jthrowable t)
- {
- return JNI_ERR;
- }
- }
- _Jv_SetCurrentJNIEnv (env);
-
- return 0;
-}
-
-// This is the one actually used by JNI.
-static jint
-_Jv_JNI_AttachCurrentThread (JavaVM *vm, void **penv, void *args)
-{
- return _Jv_JNI_AttachCurrentThread (vm, NULL, penv, args);
-}
-
-static jint
-_Jv_JNI_DestroyJavaVM (JavaVM *vm)
-{
- JvAssert (the_vm && vm == the_vm);
-
- JNIEnv *env;
- if (_Jv_ThreadCurrent () != NULL)
- {
- jstring main_name;
- // This sucks.
- try
- {
- main_name = JvNewStringLatin1 ("main");
- }
- catch (jthrowable t)
- {
- return JNI_ERR;
- }
-
- jint r = _Jv_JNI_AttachCurrentThread (vm,
- main_name,
- reinterpret_cast<void **> (&env),
- NULL);
- if (r < 0)
- return r;
- }
- else
- env = _Jv_GetCurrentJNIEnv ();
-
- _Jv_ThreadWait ();
-
- // Docs say that this always returns an error code.
- return JNI_ERR;
-}
-
-jint
-_Jv_JNI_DetachCurrentThread (JavaVM *)
-{
- jint code = _Jv_DetachCurrentThread ();
- return code ? JNI_EDETACHED : 0;
-}
-
-static jint
-_Jv_JNI_GetEnv (JavaVM *, void **penv, jint version)
-{
- if (_Jv_ThreadCurrent () == NULL)
- {
- *penv = NULL;
- return JNI_EDETACHED;
- }
-
-#ifdef ENABLE_JVMPI
- // Handle JVMPI requests.
- if (version == JVMPI_VERSION_1)
- {
- *penv = (void *) &_Jv_JVMPI_Interface;
- return 0;
- }
-#endif
-
- // FIXME: do we really want to support 1.1?
- if (version != JNI_VERSION_1_2 && version != JNI_VERSION_1_1)
- {
- *penv = NULL;
- return JNI_EVERSION;
- }
-
- *penv = (void *) _Jv_GetCurrentJNIEnv ();
- return 0;
-}
-
-jint
-JNI_GetDefaultJavaVMInitArgs (void *args)
-{
- jint version = * (jint *) args;
- // Here we only support 1.2.
- if (version != JNI_VERSION_1_2)
- return JNI_EVERSION;
-
- JavaVMInitArgs *ia = reinterpret_cast<JavaVMInitArgs *> (args);
- ia->version = JNI_VERSION_1_2;
- ia->nOptions = 0;
- ia->options = NULL;
- ia->ignoreUnrecognized = true;
-
- return 0;
-}
-
-jint
-JNI_CreateJavaVM (JavaVM **vm, void **penv, void *args)
-{
- JvAssert (! the_vm);
-
- _Jv_CreateJavaVM (NULL);
-
- // FIXME: synchronize
- JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM));
- if (nvm == NULL)
- return JNI_ERR;
- nvm->functions = &_Jv_JNI_InvokeFunctions;
-
- // Parse the arguments.
- if (args != NULL)
- {
- jint version = * (jint *) args;
- // We only support 1.2.
- if (version != JNI_VERSION_1_2)
- return JNI_EVERSION;
- JavaVMInitArgs *ia = reinterpret_cast<JavaVMInitArgs *> (args);
- for (int i = 0; i < ia->nOptions; ++i)
- {
- if (! strcmp (ia->options[i].optionString, "vfprintf")
- || ! strcmp (ia->options[i].optionString, "exit")
- || ! strcmp (ia->options[i].optionString, "abort"))
- {
- // We are required to recognize these, but for now we
- // don't handle them in any way. FIXME.
- continue;
- }
- else if (! strncmp (ia->options[i].optionString,
- "-verbose", sizeof ("-verbose") - 1))
- {
- // We don't do anything with this option either. We
- // might want to make sure the argument is valid, but we
- // don't really care all that much for now.
- continue;
- }
- else if (! strncmp (ia->options[i].optionString, "-D", 2))
- {
- // FIXME.
- continue;
- }
- else if (ia->ignoreUnrecognized)
- {
- if (ia->options[i].optionString[0] == '_'
- || ! strncmp (ia->options[i].optionString, "-X", 2))
- continue;
- }
-
- return JNI_ERR;
- }
- }
-
- jint r =_Jv_JNI_AttachCurrentThread (nvm, penv, NULL);
- if (r < 0)
- return r;
-
- the_vm = nvm;
- *vm = the_vm;
-
- return 0;
-}
-
-jint
-JNI_GetCreatedJavaVMs (JavaVM **vm_buffer, jsize buf_len, jsize *n_vms)
-{
- if (buf_len <= 0)
- return JNI_ERR;
-
- // We only support a single VM.
- if (the_vm != NULL)
- {
- vm_buffer[0] = the_vm;
- *n_vms = 1;
- }
- else
- *n_vms = 0;
- return 0;
-}
-
-JavaVM *
-_Jv_GetJavaVM ()
-{
- // FIXME: synchronize
- if (! the_vm)
- {
- JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM));
- if (nvm != NULL)
- nvm->functions = &_Jv_JNI_InvokeFunctions;
- the_vm = nvm;
- }
-
- // If this is a Java thread, we want to make sure it has an
- // associated JNIEnv.
- if (_Jv_ThreadCurrent () != NULL)
- {
- void *ignore;
- _Jv_JNI_AttachCurrentThread (the_vm, &ignore, NULL);
- }
-
- return the_vm;
-}
-
-static jint
-_Jv_JNI_GetJavaVM (JNIEnv *, JavaVM **vm)
-{
- *vm = _Jv_GetJavaVM ();
- return *vm == NULL ? JNI_ERR : JNI_OK;
-}
-
-\f
-
-#define RESERVED NULL
-
-struct JNINativeInterface _Jv_JNIFunctions =
-{
- RESERVED,
- RESERVED,
- RESERVED,
- RESERVED,
- _Jv_JNI_GetVersion, // GetVersion
- _Jv_JNI_DefineClass, // DefineClass
- _Jv_JNI_FindClass, // FindClass
- _Jv_JNI_FromReflectedMethod, // FromReflectedMethod
- _Jv_JNI_FromReflectedField, // FromReflectedField
- _Jv_JNI_ToReflectedMethod, // ToReflectedMethod
- _Jv_JNI_GetSuperclass, // GetSuperclass
- _Jv_JNI_IsAssignableFrom, // IsAssignableFrom
- _Jv_JNI_ToReflectedField, // ToReflectedField
- _Jv_JNI_Throw, // Throw
- _Jv_JNI_ThrowNew, // ThrowNew
- _Jv_JNI_ExceptionOccurred, // ExceptionOccurred
- _Jv_JNI_ExceptionDescribe, // ExceptionDescribe
- _Jv_JNI_ExceptionClear, // ExceptionClear
- _Jv_JNI_FatalError, // FatalError
-
- _Jv_JNI_PushLocalFrame, // PushLocalFrame
- _Jv_JNI_PopLocalFrame, // PopLocalFrame
- _Jv_JNI_NewGlobalRef, // NewGlobalRef
- _Jv_JNI_DeleteGlobalRef, // DeleteGlobalRef
- _Jv_JNI_DeleteLocalRef, // DeleteLocalRef
-
- _Jv_JNI_IsSameObject, // IsSameObject
-
- _Jv_JNI_NewLocalRef, // NewLocalRef
- _Jv_JNI_EnsureLocalCapacity, // EnsureLocalCapacity
-
- _Jv_JNI_AllocObject, // AllocObject
- _Jv_JNI_NewObject, // NewObject
- _Jv_JNI_NewObjectV, // NewObjectV
- _Jv_JNI_NewObjectA, // NewObjectA
- _Jv_JNI_GetObjectClass, // GetObjectClass
- _Jv_JNI_IsInstanceOf, // IsInstanceOf
- _Jv_JNI_GetAnyMethodID<false>, // GetMethodID
-
- _Jv_JNI_CallMethod<jobject>, // CallObjectMethod
- _Jv_JNI_CallMethodV<jobject>, // CallObjectMethodV
- _Jv_JNI_CallMethodA<jobject>, // CallObjectMethodA
- _Jv_JNI_CallMethod<jboolean>, // CallBooleanMethod
- _Jv_JNI_CallMethodV<jboolean>, // CallBooleanMethodV
- _Jv_JNI_CallMethodA<jboolean>, // CallBooleanMethodA
- _Jv_JNI_CallMethod<jbyte>, // CallByteMethod
- _Jv_JNI_CallMethodV<jbyte>, // CallByteMethodV
- _Jv_JNI_CallMethodA<jbyte>, // CallByteMethodA
- _Jv_JNI_CallMethod<jchar>, // CallCharMethod
- _Jv_JNI_CallMethodV<jchar>, // CallCharMethodV
- _Jv_JNI_CallMethodA<jchar>, // CallCharMethodA
- _Jv_JNI_CallMethod<jshort>, // CallShortMethod
- _Jv_JNI_CallMethodV<jshort>, // CallShortMethodV
- _Jv_JNI_CallMethodA<jshort>, // CallShortMethodA
- _Jv_JNI_CallMethod<jint>, // CallIntMethod
- _Jv_JNI_CallMethodV<jint>, // CallIntMethodV
- _Jv_JNI_CallMethodA<jint>, // CallIntMethodA
- _Jv_JNI_CallMethod<jlong>, // CallLongMethod
- _Jv_JNI_CallMethodV<jlong>, // CallLongMethodV
- _Jv_JNI_CallMethodA<jlong>, // CallLongMethodA
- _Jv_JNI_CallMethod<jfloat>, // CallFloatMethod
- _Jv_JNI_CallMethodV<jfloat>, // CallFloatMethodV
- _Jv_JNI_CallMethodA<jfloat>, // CallFloatMethodA
- _Jv_JNI_CallMethod<jdouble>, // CallDoubleMethod
- _Jv_JNI_CallMethodV<jdouble>, // CallDoubleMethodV
- _Jv_JNI_CallMethodA<jdouble>, // CallDoubleMethodA
- _Jv_JNI_CallVoidMethod, // CallVoidMethod
- _Jv_JNI_CallVoidMethodV, // CallVoidMethodV
- _Jv_JNI_CallVoidMethodA, // CallVoidMethodA
-
- // Nonvirtual method invocation functions follow.
- _Jv_JNI_CallAnyMethod<jobject, nonvirtual>, // CallNonvirtualObjectMethod
- _Jv_JNI_CallAnyMethodV<jobject, nonvirtual>, // CallNonvirtualObjectMethodV
- _Jv_JNI_CallAnyMethodA<jobject, nonvirtual>, // CallNonvirtualObjectMethodA
- _Jv_JNI_CallAnyMethod<jboolean, nonvirtual>, // CallNonvirtualBooleanMethod
- _Jv_JNI_CallAnyMethodV<jboolean, nonvirtual>, // CallNonvirtualBooleanMethodV
- _Jv_JNI_CallAnyMethodA<jboolean, nonvirtual>, // CallNonvirtualBooleanMethodA
- _Jv_JNI_CallAnyMethod<jbyte, nonvirtual>, // CallNonvirtualByteMethod
- _Jv_JNI_CallAnyMethodV<jbyte, nonvirtual>, // CallNonvirtualByteMethodV
- _Jv_JNI_CallAnyMethodA<jbyte, nonvirtual>, // CallNonvirtualByteMethodA
- _Jv_JNI_CallAnyMethod<jchar, nonvirtual>, // CallNonvirtualCharMethod
- _Jv_JNI_CallAnyMethodV<jchar, nonvirtual>, // CallNonvirtualCharMethodV
- _Jv_JNI_CallAnyMethodA<jchar, nonvirtual>, // CallNonvirtualCharMethodA
- _Jv_JNI_CallAnyMethod<jshort, nonvirtual>, // CallNonvirtualShortMethod
- _Jv_JNI_CallAnyMethodV<jshort, nonvirtual>, // CallNonvirtualShortMethodV
- _Jv_JNI_CallAnyMethodA<jshort, nonvirtual>, // CallNonvirtualShortMethodA
- _Jv_JNI_CallAnyMethod<jint, nonvirtual>, // CallNonvirtualIntMethod
- _Jv_JNI_CallAnyMethodV<jint, nonvirtual>, // CallNonvirtualIntMethodV
- _Jv_JNI_CallAnyMethodA<jint, nonvirtual>, // CallNonvirtualIntMethodA
- _Jv_JNI_CallAnyMethod<jlong, nonvirtual>, // CallNonvirtualLongMethod
- _Jv_JNI_CallAnyMethodV<jlong, nonvirtual>, // CallNonvirtualLongMethodV
- _Jv_JNI_CallAnyMethodA<jlong, nonvirtual>, // CallNonvirtualLongMethodA
- _Jv_JNI_CallAnyMethod<jfloat, nonvirtual>, // CallNonvirtualFloatMethod
- _Jv_JNI_CallAnyMethodV<jfloat, nonvirtual>, // CallNonvirtualFloatMethodV
- _Jv_JNI_CallAnyMethodA<jfloat, nonvirtual>, // CallNonvirtualFloatMethodA
- _Jv_JNI_CallAnyMethod<jdouble, nonvirtual>, // CallNonvirtualDoubleMethod
- _Jv_JNI_CallAnyMethodV<jdouble, nonvirtual>, // CallNonvirtualDoubleMethodV
- _Jv_JNI_CallAnyMethodA<jdouble, nonvirtual>, // CallNonvirtualDoubleMethodA
- _Jv_JNI_CallAnyVoidMethod<nonvirtual>, // CallNonvirtualVoidMethod
- _Jv_JNI_CallAnyVoidMethodV<nonvirtual>, // CallNonvirtualVoidMethodV
- _Jv_JNI_CallAnyVoidMethodA<nonvirtual>, // CallNonvirtualVoidMethodA
-
- _Jv_JNI_GetAnyFieldID<false>, // GetFieldID
- _Jv_JNI_GetField<jobject>, // GetObjectField
- _Jv_JNI_GetField<jboolean>, // GetBooleanField
- _Jv_JNI_GetField<jbyte>, // GetByteField
- _Jv_JNI_GetField<jchar>, // GetCharField
- _Jv_JNI_GetField<jshort>, // GetShortField
- _Jv_JNI_GetField<jint>, // GetIntField
- _Jv_JNI_GetField<jlong>, // GetLongField
- _Jv_JNI_GetField<jfloat>, // GetFloatField
- _Jv_JNI_GetField<jdouble>, // GetDoubleField
- _Jv_JNI_SetField, // SetObjectField
- _Jv_JNI_SetField, // SetBooleanField
- _Jv_JNI_SetField, // SetByteField
- _Jv_JNI_SetField, // SetCharField
- _Jv_JNI_SetField, // SetShortField
- _Jv_JNI_SetField, // SetIntField
- _Jv_JNI_SetField, // SetLongField
- _Jv_JNI_SetField, // SetFloatField
- _Jv_JNI_SetField, // SetDoubleField
- _Jv_JNI_GetAnyMethodID<true>, // GetStaticMethodID
-
- _Jv_JNI_CallStaticMethod<jobject>, // CallStaticObjectMethod
- _Jv_JNI_CallStaticMethodV<jobject>, // CallStaticObjectMethodV
- _Jv_JNI_CallStaticMethodA<jobject>, // CallStaticObjectMethodA
- _Jv_JNI_CallStaticMethod<jboolean>, // CallStaticBooleanMethod
- _Jv_JNI_CallStaticMethodV<jboolean>, // CallStaticBooleanMethodV
- _Jv_JNI_CallStaticMethodA<jboolean>, // CallStaticBooleanMethodA
- _Jv_JNI_CallStaticMethod<jbyte>, // CallStaticByteMethod
- _Jv_JNI_CallStaticMethodV<jbyte>, // CallStaticByteMethodV
- _Jv_JNI_CallStaticMethodA<jbyte>, // CallStaticByteMethodA
- _Jv_JNI_CallStaticMethod<jchar>, // CallStaticCharMethod
- _Jv_JNI_CallStaticMethodV<jchar>, // CallStaticCharMethodV
- _Jv_JNI_CallStaticMethodA<jchar>, // CallStaticCharMethodA
- _Jv_JNI_CallStaticMethod<jshort>, // CallStaticShortMethod
- _Jv_JNI_CallStaticMethodV<jshort>, // CallStaticShortMethodV
- _Jv_JNI_CallStaticMethodA<jshort>, // CallStaticShortMethodA
- _Jv_JNI_CallStaticMethod<jint>, // CallStaticIntMethod
- _Jv_JNI_CallStaticMethodV<jint>, // CallStaticIntMethodV
- _Jv_JNI_CallStaticMethodA<jint>, // CallStaticIntMethodA
- _Jv_JNI_CallStaticMethod<jlong>, // CallStaticLongMethod
- _Jv_JNI_CallStaticMethodV<jlong>, // CallStaticLongMethodV
- _Jv_JNI_CallStaticMethodA<jlong>, // CallStaticLongMethodA
- _Jv_JNI_CallStaticMethod<jfloat>, // CallStaticFloatMethod
- _Jv_JNI_CallStaticMethodV<jfloat>, // CallStaticFloatMethodV
- _Jv_JNI_CallStaticMethodA<jfloat>, // CallStaticFloatMethodA
- _Jv_JNI_CallStaticMethod<jdouble>, // CallStaticDoubleMethod
- _Jv_JNI_CallStaticMethodV<jdouble>, // CallStaticDoubleMethodV
- _Jv_JNI_CallStaticMethodA<jdouble>, // CallStaticDoubleMethodA
- _Jv_JNI_CallStaticVoidMethod, // CallStaticVoidMethod
- _Jv_JNI_CallStaticVoidMethodV, // CallStaticVoidMethodV
- _Jv_JNI_CallStaticVoidMethodA, // CallStaticVoidMethodA
-
- _Jv_JNI_GetAnyFieldID<true>, // GetStaticFieldID
- _Jv_JNI_GetStaticField<jobject>, // GetStaticObjectField
- _Jv_JNI_GetStaticField<jboolean>, // GetStaticBooleanField
- _Jv_JNI_GetStaticField<jbyte>, // GetStaticByteField
- _Jv_JNI_GetStaticField<jchar>, // GetStaticCharField
- _Jv_JNI_GetStaticField<jshort>, // GetStaticShortField
- _Jv_JNI_GetStaticField<jint>, // GetStaticIntField
- _Jv_JNI_GetStaticField<jlong>, // GetStaticLongField
- _Jv_JNI_GetStaticField<jfloat>, // GetStaticFloatField
- _Jv_JNI_GetStaticField<jdouble>, // GetStaticDoubleField
- _Jv_JNI_SetStaticField, // SetStaticObjectField
- _Jv_JNI_SetStaticField, // SetStaticBooleanField
- _Jv_JNI_SetStaticField, // SetStaticByteField
- _Jv_JNI_SetStaticField, // SetStaticCharField
- _Jv_JNI_SetStaticField, // SetStaticShortField
- _Jv_JNI_SetStaticField, // SetStaticIntField
- _Jv_JNI_SetStaticField, // SetStaticLongField
- _Jv_JNI_SetStaticField, // SetStaticFloatField
- _Jv_JNI_SetStaticField, // SetStaticDoubleField
- _Jv_JNI_NewString, // NewString
- _Jv_JNI_GetStringLength, // GetStringLength
- _Jv_JNI_GetStringChars, // GetStringChars
- _Jv_JNI_ReleaseStringChars, // ReleaseStringChars
- _Jv_JNI_NewStringUTF, // NewStringUTF
- _Jv_JNI_GetStringUTFLength, // GetStringUTFLength
- _Jv_JNI_GetStringUTFChars, // GetStringUTFLength
- _Jv_JNI_ReleaseStringUTFChars, // ReleaseStringUTFChars
- _Jv_JNI_GetArrayLength, // GetArrayLength
- _Jv_JNI_NewObjectArray, // NewObjectArray
- _Jv_JNI_GetObjectArrayElement, // GetObjectArrayElement
- _Jv_JNI_SetObjectArrayElement, // SetObjectArrayElement
- _Jv_JNI_NewPrimitiveArray<jboolean, JvPrimClass (boolean)>,
- // NewBooleanArray
- _Jv_JNI_NewPrimitiveArray<jbyte, JvPrimClass (byte)>, // NewByteArray
- _Jv_JNI_NewPrimitiveArray<jchar, JvPrimClass (char)>, // NewCharArray
- _Jv_JNI_NewPrimitiveArray<jshort, JvPrimClass (short)>, // NewShortArray
- _Jv_JNI_NewPrimitiveArray<jint, JvPrimClass (int)>, // NewIntArray
- _Jv_JNI_NewPrimitiveArray<jlong, JvPrimClass (long)>, // NewLongArray
- _Jv_JNI_NewPrimitiveArray<jfloat, JvPrimClass (float)>, // NewFloatArray
- _Jv_JNI_NewPrimitiveArray<jdouble, JvPrimClass (double)>, // NewDoubleArray
- _Jv_JNI_GetPrimitiveArrayElements, // GetBooleanArrayElements
- _Jv_JNI_GetPrimitiveArrayElements, // GetByteArrayElements
- _Jv_JNI_GetPrimitiveArrayElements, // GetCharArrayElements
- _Jv_JNI_GetPrimitiveArrayElements, // GetShortArrayElements
- _Jv_JNI_GetPrimitiveArrayElements, // GetIntArrayElements
- _Jv_JNI_GetPrimitiveArrayElements, // GetLongArrayElements
- _Jv_JNI_GetPrimitiveArrayElements, // GetFloatArrayElements
- _Jv_JNI_GetPrimitiveArrayElements, // GetDoubleArrayElements
- _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseBooleanArrayElements
- _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseByteArrayElements
- _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseCharArrayElements
- _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseShortArrayElements
- _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseIntArrayElements
- _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseLongArrayElements
- _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseFloatArrayElements
- _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseDoubleArrayElements
- _Jv_JNI_GetPrimitiveArrayRegion, // GetBooleanArrayRegion
- _Jv_JNI_GetPrimitiveArrayRegion, // GetByteArrayRegion
- _Jv_JNI_GetPrimitiveArrayRegion, // GetCharArrayRegion
- _Jv_JNI_GetPrimitiveArrayRegion, // GetShortArrayRegion
- _Jv_JNI_GetPrimitiveArrayRegion, // GetIntArrayRegion
- _Jv_JNI_GetPrimitiveArrayRegion, // GetLongArrayRegion
- _Jv_JNI_GetPrimitiveArrayRegion, // GetFloatArrayRegion
- _Jv_JNI_GetPrimitiveArrayRegion, // GetDoubleArrayRegion
- _Jv_JNI_SetPrimitiveArrayRegion, // SetBooleanArrayRegion
- _Jv_JNI_SetPrimitiveArrayRegion, // SetByteArrayRegion
- _Jv_JNI_SetPrimitiveArrayRegion, // SetCharArrayRegion
- _Jv_JNI_SetPrimitiveArrayRegion, // SetShortArrayRegion
- _Jv_JNI_SetPrimitiveArrayRegion, // SetIntArrayRegion
- _Jv_JNI_SetPrimitiveArrayRegion, // SetLongArrayRegion
- _Jv_JNI_SetPrimitiveArrayRegion, // SetFloatArrayRegion
- _Jv_JNI_SetPrimitiveArrayRegion, // SetDoubleArrayRegion
- _Jv_JNI_RegisterNatives, // RegisterNatives
- _Jv_JNI_UnregisterNatives, // UnregisterNatives
- _Jv_JNI_MonitorEnter, // MonitorEnter
- _Jv_JNI_MonitorExit, // MonitorExit
- _Jv_JNI_GetJavaVM, // GetJavaVM
-
- _Jv_JNI_GetStringRegion, // GetStringRegion
- _Jv_JNI_GetStringUTFRegion, // GetStringUTFRegion
- _Jv_JNI_GetPrimitiveArrayCritical, // GetPrimitiveArrayCritical
- _Jv_JNI_ReleasePrimitiveArrayCritical, // ReleasePrimitiveArrayCritical
- _Jv_JNI_GetStringCritical, // GetStringCritical
- _Jv_JNI_ReleaseStringCritical, // ReleaseStringCritical
-
- _Jv_JNI_NewWeakGlobalRef, // NewWeakGlobalRef
- _Jv_JNI_DeleteWeakGlobalRef, // DeleteWeakGlobalRef
-
- _Jv_JNI_ExceptionCheck
-};
-
-struct JNIInvokeInterface _Jv_JNI_InvokeFunctions =
-{
- RESERVED,
- RESERVED,
- RESERVED,
-
- _Jv_JNI_DestroyJavaVM,
- _Jv_JNI_AttachCurrentThread,
- _Jv_JNI_DetachCurrentThread,
- _Jv_JNI_GetEnv
-};
projects / msp430-gcc.git / blobdiff