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dragonwell8_hotspot
提交 4e725646 编写于 作者: C coleenp
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上级 fe82854a 07739d12
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Showing with 1 addition and 264 deletion
src/share/vm/prims/jvm.cpp
浏览文件 @ 4e725646
......@@ -3954,248 +3954,6 @@ void initialize_converter_functions() {
}
// Serialization
JVM_ENTRY(void, JVM_SetPrimitiveFieldValues(JNIEnv *env, jclass cb, jobject obj,
jlongArray fieldIDs, jcharArray typecodes, jbyteArray data))
assert(!JDK_Version::is_gte_jdk14x_version(), "should only be used in 1.3.1 and earlier");
typeArrayOop tcodes = typeArrayOop(JNIHandles::resolve(typecodes));
typeArrayOop dbuf = typeArrayOop(JNIHandles::resolve(data));
typeArrayOop fids = typeArrayOop(JNIHandles::resolve(fieldIDs));
oop o = JNIHandles::resolve(obj);
if (o == NULL || fids == NULL || dbuf == NULL || tcodes == NULL) {
THROW(vmSymbols::java_lang_NullPointerException());
}
jsize nfids = fids->length();
if (nfids == 0) return;
if (tcodes->length() < nfids) {
THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
}
jsize off = 0;
/* loop through fields, setting values */
for (jsize i = 0; i < nfids; i++) {
jfieldID fid = (jfieldID)(intptr_t) fids->long_at(i);
int field_offset;
if (fid != NULL) {
// NULL is a legal value for fid, but retrieving the field offset
// trigger assertion in that case
field_offset = jfieldIDWorkaround::from_instance_jfieldID(o->klass(), fid);
}
switch (tcodes->char_at(i)) {
case 'Z':
if (fid != NULL) {
jboolean val = (dbuf->byte_at(off) != 0) ? JNI_TRUE : JNI_FALSE;
o->bool_field_put(field_offset, val);
}
off++;
break;
case 'B':
if (fid != NULL) {
o->byte_field_put(field_offset, dbuf->byte_at(off));
}
off++;
break;
case 'C':
if (fid != NULL) {
jchar val = ((dbuf->byte_at(off + 0) & 0xFF) << 8)
+ ((dbuf->byte_at(off + 1) & 0xFF) << 0);
o->char_field_put(field_offset, val);
}
off += 2;
break;
case 'S':
if (fid != NULL) {
jshort val = ((dbuf->byte_at(off + 0) & 0xFF) << 8)
+ ((dbuf->byte_at(off + 1) & 0xFF) << 0);
o->short_field_put(field_offset, val);
}
off += 2;
break;
case 'I':
if (fid != NULL) {
jint ival = ((dbuf->byte_at(off + 0) & 0xFF) << 24)
+ ((dbuf->byte_at(off + 1) & 0xFF) << 16)
+ ((dbuf->byte_at(off + 2) & 0xFF) << 8)
+ ((dbuf->byte_at(off + 3) & 0xFF) << 0);
o->int_field_put(field_offset, ival);
}
off += 4;
break;
case 'F':
if (fid != NULL) {
jint ival = ((dbuf->byte_at(off + 0) & 0xFF) << 24)
+ ((dbuf->byte_at(off + 1) & 0xFF) << 16)
+ ((dbuf->byte_at(off + 2) & 0xFF) << 8)
+ ((dbuf->byte_at(off + 3) & 0xFF) << 0);
jfloat fval = (*int_bits_to_float_fn)(env, NULL, ival);
o->float_field_put(field_offset, fval);
}
off += 4;
break;
case 'J':
if (fid != NULL) {
jlong lval = (((jlong) dbuf->byte_at(off + 0) & 0xFF) << 56)
+ (((jlong) dbuf->byte_at(off + 1) & 0xFF) << 48)
+ (((jlong) dbuf->byte_at(off + 2) & 0xFF) << 40)
+ (((jlong) dbuf->byte_at(off + 3) & 0xFF) << 32)
+ (((jlong) dbuf->byte_at(off + 4) & 0xFF) << 24)
+ (((jlong) dbuf->byte_at(off + 5) & 0xFF) << 16)
+ (((jlong) dbuf->byte_at(off + 6) & 0xFF) << 8)
+ (((jlong) dbuf->byte_at(off + 7) & 0xFF) << 0);
o->long_field_put(field_offset, lval);
}
off += 8;
break;
case 'D':
if (fid != NULL) {
jlong lval = (((jlong) dbuf->byte_at(off + 0) & 0xFF) << 56)
+ (((jlong) dbuf->byte_at(off + 1) & 0xFF) << 48)
+ (((jlong) dbuf->byte_at(off + 2) & 0xFF) << 40)
+ (((jlong) dbuf->byte_at(off + 3) & 0xFF) << 32)
+ (((jlong) dbuf->byte_at(off + 4) & 0xFF) << 24)
+ (((jlong) dbuf->byte_at(off + 5) & 0xFF) << 16)
+ (((jlong) dbuf->byte_at(off + 6) & 0xFF) << 8)
+ (((jlong) dbuf->byte_at(off + 7) & 0xFF) << 0);
jdouble dval = (*long_bits_to_double_fn)(env, NULL, lval);
o->double_field_put(field_offset, dval);
}
off += 8;
break;
default:
// Illegal typecode
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "illegal typecode");
}
}
JVM_END
JVM_ENTRY(void, JVM_GetPrimitiveFieldValues(JNIEnv *env, jclass cb, jobject obj,
jlongArray fieldIDs, jcharArray typecodes, jbyteArray data))
assert(!JDK_Version::is_gte_jdk14x_version(), "should only be used in 1.3.1 and earlier");
typeArrayOop tcodes = typeArrayOop(JNIHandles::resolve(typecodes));
typeArrayOop dbuf = typeArrayOop(JNIHandles::resolve(data));
typeArrayOop fids = typeArrayOop(JNIHandles::resolve(fieldIDs));
oop o = JNIHandles::resolve(obj);
if (o == NULL || fids == NULL || dbuf == NULL || tcodes == NULL) {
THROW(vmSymbols::java_lang_NullPointerException());
}
jsize nfids = fids->length();
if (nfids == 0) return;
if (tcodes->length() < nfids) {
THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
}
/* loop through fields, fetching values */
jsize off = 0;
for (jsize i = 0; i < nfids; i++) {
jfieldID fid = (jfieldID)(intptr_t) fids->long_at(i);
if (fid == NULL) {
THROW(vmSymbols::java_lang_NullPointerException());
}
int field_offset = jfieldIDWorkaround::from_instance_jfieldID(o->klass(), fid);
switch (tcodes->char_at(i)) {
case 'Z':
{
jboolean val = o->bool_field(field_offset);
dbuf->byte_at_put(off++, (val != 0) ? 1 : 0);
}
break;
case 'B':
dbuf->byte_at_put(off++, o->byte_field(field_offset));
break;
case 'C':
{
jchar val = o->char_field(field_offset);
dbuf->byte_at_put(off++, (val >> 8) & 0xFF);
dbuf->byte_at_put(off++, (val >> 0) & 0xFF);
}
break;
case 'S':
{
jshort val = o->short_field(field_offset);
dbuf->byte_at_put(off++, (val >> 8) & 0xFF);
dbuf->byte_at_put(off++, (val >> 0) & 0xFF);
}
break;
case 'I':
{
jint val = o->int_field(field_offset);
dbuf->byte_at_put(off++, (val >> 24) & 0xFF);
dbuf->byte_at_put(off++, (val >> 16) & 0xFF);
dbuf->byte_at_put(off++, (val >> 8) & 0xFF);
dbuf->byte_at_put(off++, (val >> 0) & 0xFF);
}
break;
case 'F':
{
jfloat fval = o->float_field(field_offset);
jint ival = (*float_to_int_bits_fn)(env, NULL, fval);
dbuf->byte_at_put(off++, (ival >> 24) & 0xFF);
dbuf->byte_at_put(off++, (ival >> 16) & 0xFF);
dbuf->byte_at_put(off++, (ival >> 8) & 0xFF);
dbuf->byte_at_put(off++, (ival >> 0) & 0xFF);
}
break;
case 'J':
{
jlong val = o->long_field(field_offset);
dbuf->byte_at_put(off++, (val >> 56) & 0xFF);
dbuf->byte_at_put(off++, (val >> 48) & 0xFF);
dbuf->byte_at_put(off++, (val >> 40) & 0xFF);
dbuf->byte_at_put(off++, (val >> 32) & 0xFF);
dbuf->byte_at_put(off++, (val >> 24) & 0xFF);
dbuf->byte_at_put(off++, (val >> 16) & 0xFF);
dbuf->byte_at_put(off++, (val >> 8) & 0xFF);
dbuf->byte_at_put(off++, (val >> 0) & 0xFF);
}
break;
case 'D':
{
jdouble dval = o->double_field(field_offset);
jlong lval = (*double_to_long_bits_fn)(env, NULL, dval);
dbuf->byte_at_put(off++, (lval >> 56) & 0xFF);
dbuf->byte_at_put(off++, (lval >> 48) & 0xFF);
dbuf->byte_at_put(off++, (lval >> 40) & 0xFF);
dbuf->byte_at_put(off++, (lval >> 32) & 0xFF);
dbuf->byte_at_put(off++, (lval >> 24) & 0xFF);
dbuf->byte_at_put(off++, (lval >> 16) & 0xFF);
dbuf->byte_at_put(off++, (lval >> 8) & 0xFF);
dbuf->byte_at_put(off++, (lval >> 0) & 0xFF);
}
break;
default:
// Illegal typecode
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "illegal typecode");
}
}
JVM_END
// Shared JNI/JVM entry points //////////////////////////////////////////////////////////////
......
src/share/vm/prims/jvm_misc.hpp
浏览文件 @ 4e725646
......@@ -35,22 +35,6 @@ jclass find_class_from_class_loader(JNIEnv* env, Symbol* name, jboolean init, Ha
void trace_class_resolution(Klass* to_class);
/*
* Support for Serialization and RMI. Currently used by HotSpot only.
*/
extern "C" {
void JNICALL
JVM_SetPrimitiveFieldValues(JNIEnv *env, jclass cb, jobject obj,
jlongArray fieldIDs, jcharArray typecodes, jbyteArray data);
void JNICALL
JVM_GetPrimitiveFieldValues(JNIEnv *env, jclass cb, jobject obj,
jlongArray fieldIDs, jcharArray typecodes, jbyteArray data);
}
/*
* Support for -Xcheck:jni
*/
......
src/share/vm/prims/nativeLookup.cpp
浏览文件 @ 4e725646
......@@ -129,10 +129,6 @@ extern "C" {
#define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f)
static JNINativeMethod lookup_special_native_methods[] = {
// Next two functions only exist for compatibility with 1.3.1 and earlier.
{ CC"Java_java_io_ObjectOutputStream_getPrimitiveFieldValues", NULL, FN_PTR(JVM_GetPrimitiveFieldValues) }, // intercept ObjectOutputStream getPrimitiveFieldValues for faster serialization
{ CC"Java_java_io_ObjectInputStream_setPrimitiveFieldValues", NULL, FN_PTR(JVM_SetPrimitiveFieldValues) }, // intercept ObjectInputStream setPrimitiveFieldValues for faster serialization
{ CC"Java_sun_misc_Unsafe_registerNatives", NULL, FN_PTR(JVM_RegisterUnsafeMethods) },
{ CC"Java_java_lang_invoke_MethodHandleNatives_registerNatives", NULL, FN_PTR(JVM_RegisterMethodHandleMethods) },
{ CC"Java_sun_misc_Perf_registerNatives", NULL, FN_PTR(JVM_RegisterPerfMethods) },
......@@ -140,9 +136,8 @@ static JNINativeMethod lookup_special_native_methods[] = {
};
static address lookup_special_native(char* jni_name) {
int i = !JDK_Version::is_gte_jdk14x_version() ? 0 : 2; // see comment in lookup_special_native_methods
int count = sizeof(lookup_special_native_methods) / sizeof(JNINativeMethod);
for (; i < count; i++) {
for (int i = 0; i < count; i++) {
// NB: To ignore the jni prefix and jni postfix strstr is used matching.
if (strstr(jni_name, lookup_special_native_methods[i].name) != NULL) {
return CAST_FROM_FN_PTR(address, lookup_special_native_methods[i].fnPtr);
......
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