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This commit is contained in:
Vladimir Kozlov 2013-11-05 17:38:04 -08:00
commit 39b0e57fdd
5098 changed files with 176905 additions and 81175 deletions
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374
hotspot/src/share/vm/prims/jvm.cpp
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@ -671,13 +671,12 @@ JVM_END
JVM_ENTRY(jclass, JVM_GetCallerClass(JNIEnv* env, int depth))
JVMWrapper("JVM_GetCallerClass");
// Pre-JDK 8 and early builds of JDK 8 don't have a CallerSensitive annotation.
if (SystemDictionary::reflect_CallerSensitive_klass() == NULL) {
// Pre-JDK 8 and early builds of JDK 8 don't have a CallerSensitive annotation; or
// sun.reflect.Reflection.getCallerClass with a depth parameter is provided
// temporarily for existing code to use until a replacement API is defined.
if (SystemDictionary::reflect_CallerSensitive_klass() == NULL || depth != JVM_CALLER_DEPTH) {
Klass* k = thread->security_get_caller_class(depth);
return (k == NULL) ? NULL : (jclass) JNIHandles::make_local(env, k->java_mirror());
} else {
// Basic handshaking with Java_sun_reflect_Reflection_getCallerClass
assert(depth == -1, "wrong handshake depth");
}
// Getting the class of the caller frame.
@ -1827,7 +1826,7 @@ JVM_ENTRY(jobjectArray, JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass,
}
if (!publicOnly || fs.access_flags().is_public()) {
fd.initialize(k(), fs.index());
fd.reinitialize(k(), fs.index());
oop field = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL);
result->obj_at_put(out_idx, field);
++out_idx;
@ -1838,16 +1837,27 @@ JVM_ENTRY(jobjectArray, JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass,
}
JVM_END
JVM_ENTRY(jobjectArray, JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly))
{
JVMWrapper("JVM_GetClassDeclaredMethods");
static bool select_method(methodHandle method, bool want_constructor) {
if (want_constructor) {
return (method->is_initializer() && !method->is_static());
} else {
return (!method->is_initializer() && !method->is_overpass());
}
}
static jobjectArray get_class_declared_methods_helper(
JNIEnv *env,
jclass ofClass, jboolean publicOnly,
bool want_constructor,
Klass* klass, TRAPS) {
JvmtiVMObjectAllocEventCollector oam;
// Exclude primitive types and array types
if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(ofClass))
|| java_lang_Class::as_Klass(JNIHandles::resolve_non_null(ofClass))->oop_is_array()) {
// Return empty array
oop res = oopFactory::new_objArray(SystemDictionary::reflect_Method_klass(), 0, CHECK_NULL);
oop res = oopFactory::new_objArray(klass, 0, CHECK_NULL);
return (jobjectArray) JNIHandles::make_local(env, res);
}
@ -1858,87 +1868,67 @@ JVM_ENTRY(jobjectArray, JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass,
Array<Method*>* methods = k->methods();
int methods_length = methods->length();
// Save original method_idnum in case of redefinition, which can change
// the idnum of obsolete methods. The new method will have the same idnum
// but if we refresh the methods array, the counts will be wrong.
ResourceMark rm(THREAD);
GrowableArray<int>* idnums = new GrowableArray<int>(methods_length);
int num_methods = 0;
int i;
for (i = 0; i < methods_length; i++) {
for (int i = 0; i < methods_length; i++) {
methodHandle method(THREAD, methods->at(i));
if (!method->is_initializer() && !method->is_overpass()) {
if (select_method(method, want_constructor)) {
if (!publicOnly || method->is_public()) {
idnums->push(method->method_idnum());
++num_methods;
}
}
}
// Allocate result
objArrayOop r = oopFactory::new_objArray(SystemDictionary::reflect_Method_klass(), num_methods, CHECK_NULL);
objArrayOop r = oopFactory::new_objArray(klass, num_methods, CHECK_NULL);
objArrayHandle result (THREAD, r);
int out_idx = 0;
for (i = 0; i < methods_length; i++) {
methodHandle method(THREAD, methods->at(i));
if (!method->is_initializer() && !method->is_overpass()) {
if (!publicOnly || method->is_public()) {
oop m = Reflection::new_method(method, UseNewReflection, false, CHECK_NULL);
result->obj_at_put(out_idx, m);
++out_idx;
// Now just put the methods that we selected above, but go by their idnum
// in case of redefinition. The methods can be redefined at any safepoint,
// so above when allocating the oop array and below when creating reflect
// objects.
for (int i = 0; i < num_methods; i++) {
methodHandle method(THREAD, k->method_with_idnum(idnums->at(i)));
if (method.is_null()) {
// Method may have been deleted and seems this API can handle null
// Otherwise should probably put a method that throws NSME
result->obj_at_put(i, NULL);
} else {
oop m;
if (want_constructor) {
m = Reflection::new_constructor(method, CHECK_NULL);
} else {
m = Reflection::new_method(method, UseNewReflection, false, CHECK_NULL);
}
result->obj_at_put(i, m);
}
}
assert(out_idx == num_methods, "just checking");
return (jobjectArray) JNIHandles::make_local(env, result());
}
JVM_ENTRY(jobjectArray, JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly))
{
JVMWrapper("JVM_GetClassDeclaredMethods");
return get_class_declared_methods_helper(env, ofClass, publicOnly,
/*want_constructor*/ false,
SystemDictionary::reflect_Method_klass(), THREAD);
}
JVM_END
JVM_ENTRY(jobjectArray, JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly))
{
JVMWrapper("JVM_GetClassDeclaredConstructors");
JvmtiVMObjectAllocEventCollector oam;
// Exclude primitive types and array types
if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(ofClass))
|| java_lang_Class::as_Klass(JNIHandles::resolve_non_null(ofClass))->oop_is_array()) {
// Return empty array
oop res = oopFactory::new_objArray(SystemDictionary::reflect_Constructor_klass(), 0 , CHECK_NULL);
return (jobjectArray) JNIHandles::make_local(env, res);
}
instanceKlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(ofClass)));
// Ensure class is linked
k->link_class(CHECK_NULL);
Array<Method*>* methods = k->methods();
int methods_length = methods->length();
int num_constructors = 0;
int i;
for (i = 0; i < methods_length; i++) {
methodHandle method(THREAD, methods->at(i));
if (method->is_initializer() && !method->is_static()) {
if (!publicOnly || method->is_public()) {
++num_constructors;
}
}
}
// Allocate result
objArrayOop r = oopFactory::new_objArray(SystemDictionary::reflect_Constructor_klass(), num_constructors, CHECK_NULL);
objArrayHandle result(THREAD, r);
int out_idx = 0;
for (i = 0; i < methods_length; i++) {
methodHandle method(THREAD, methods->at(i));
if (method->is_initializer() && !method->is_static()) {
if (!publicOnly || method->is_public()) {
oop m = Reflection::new_constructor(method, CHECK_NULL);
result->obj_at_put(out_idx, m);
++out_idx;
}
}
}
assert(out_idx == num_constructors, "just checking");
return (jobjectArray) JNIHandles::make_local(env, result());
return get_class_declared_methods_helper(env, ofClass, publicOnly,
/*want_constructor*/ true,
SystemDictionary::reflect_Constructor_klass(), THREAD);
}
JVM_END
@ -3966,248 +3956,6 @@ 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 //////////////////////////////////////////////////////////////
@ -4238,13 +3986,13 @@ extern "C" {
JVM_LEAF(jboolean, JVM_AccessVMBooleanFlag(const char* name, jboolean* value, jboolean is_get))
JVMWrapper("JVM_AccessBoolVMFlag");
return is_get ? CommandLineFlags::boolAt((char*) name, (bool*) value) : CommandLineFlags::boolAtPut((char*) name, (bool*) value, INTERNAL);
return is_get ? CommandLineFlags::boolAt((char*) name, (bool*) value) : CommandLineFlags::boolAtPut((char*) name, (bool*) value, Flag::INTERNAL);
JVM_END
JVM_LEAF(jboolean, JVM_AccessVMIntFlag(const char* name, jint* value, jboolean is_get))
JVMWrapper("JVM_AccessVMIntFlag");
intx v;
jboolean result = is_get ? CommandLineFlags::intxAt((char*) name, &v) : CommandLineFlags::intxAtPut((char*) name, &v, INTERNAL);
jboolean result = is_get ? CommandLineFlags::intxAt((char*) name, &v) : CommandLineFlags::intxAtPut((char*) name, &v, Flag::INTERNAL);
*value = (jint)v;
return result;
JVM_END