truffle: src/share/vm/interpreter/interpreterRuntime.cpp comparison

comparison src/share/vm/interpreter/interpreterRuntime.cpp @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

author	coleenp
date	Sat, 01 Sep 2012 13:25:18 -0400
parents	1d7922586cf6
children	4bfe8b33cf66

comparison

equal deleted inserted replaced

-:36d1d483d5d6
+:da91efe96a93
 #include "interpreter/interpreterRuntime.hpp"
 #include "interpreter/linkResolver.hpp"
 #include "interpreter/templateTable.hpp"
 #include "memory/oopFactory.hpp"
 #include "memory/universe.inline.hpp"
-#include "oops/constantPoolOop.hpp"
+#include "oops/constantPool.hpp"
-#include "oops/cpCacheOop.hpp"
 #include "oops/instanceKlass.hpp"
-#include "oops/methodDataOop.hpp"
+#include "oops/methodData.hpp"
 #include "oops/objArrayKlass.hpp"
 #include "oops/oop.inline.hpp"
 #include "oops/symbol.hpp"
 #include "prims/jvmtiExport.hpp"
 #include "prims/nativeLookup.hpp"
 void InterpreterRuntime::set_bcp_and_mdp(address bcp, JavaThread *thread) {
 last_frame(thread).interpreter_frame_set_bcp(bcp);
 if (ProfileInterpreter) {
 // ProfileTraps uses MDOs independently of ProfileInterpreter.
 // That is why we must check both ProfileInterpreter and mdo != NULL.
-methodDataOop mdo = last_frame(thread).interpreter_frame_method()->method_data();
+MethodData* mdo = last_frame(thread).interpreter_frame_method()->method_data();
 if (mdo != NULL) {
 NEEDS_CLEANUP;
 last_frame(thread).interpreter_frame_set_mdp(mdo->bci_to_dp(last_frame(thread).interpreter_frame_bci()));
 }
 }
 // Constants
 IRT_ENTRY(void, InterpreterRuntime::ldc(JavaThread* thread, bool wide))
 // access constant pool
-constantPoolOop pool = method(thread)->constants();
+ConstantPool* pool = method(thread)->constants();
 int index = wide ? get_index_u2(thread, Bytecodes::_ldc_w) : get_index_u1(thread, Bytecodes::_ldc);
 constantTag tag = pool->tag_at(index);
-if (tag.is_unresolved_klass() || tag.is_klass()) {
+assert (tag.is_unresolved_klass() || tag.is_klass(), "wrong ldc call");
-klassOop klass = pool->klass_at(index, CHECK);
+Klass* klass = pool->klass_at(index, CHECK);
 oop java_class = klass->java_mirror();
 thread->set_vm_result(java_class);
-} else {
-#ifdef ASSERT
-// If we entered this runtime routine, we believed the tag contained
-// an unresolved string, an unresolved class or a resolved class.
-// However, another thread could have resolved the unresolved string
-// or class by the time we go there.
-assert(tag.is_unresolved_string()|| tag.is_string(), "expected string");
-#endif
-oop s_oop = pool->string_at(index, CHECK);
-thread->set_vm_result(s_oop);
-}
 IRT_END
 IRT_ENTRY(void, InterpreterRuntime::resolve_ldc(JavaThread* thread, Bytecodes::Code bytecode)) {
 assert(bytecode == Bytecodes::_fast_aldc ||
 bytecode == Bytecodes::_fast_aldc_w, "wrong bc");
 oop result = ldc.resolve_constant(CHECK);
 #ifdef ASSERT
 {
 // The bytecode wrappers aren't GC-safe so construct a new one
 Bytecode_loadconstant ldc2(m, bci(thread));
-ConstantPoolCacheEntry* cpce = m->constants()->cache()->entry_at(ldc2.cache_index());
+oop coop = m->constants()->resolved_references()->obj_at(ldc2.cache_index());
-assert(result == cpce->f1_as_instance(), "expected result for assembly code");
+assert(result == coop, "expected result for assembly code");
 }
 #endif
+thread->set_vm_result(result);
 }
 IRT_END
 //------------------------------------------------------------------------------------------------------------------------
 // Allocation
-IRT_ENTRY(void, InterpreterRuntime::_new(JavaThread* thread, constantPoolOopDesc* pool, int index))
+IRT_ENTRY(void, InterpreterRuntime::_new(JavaThread* thread, ConstantPool* pool, int index))
-klassOop k_oop = pool->klass_at(index, CHECK);
+Klass* k_oop = pool->klass_at(index, CHECK);
 instanceKlassHandle klass (THREAD, k_oop);
 // Make sure we are not instantiating an abstract klass
 klass->check_valid_for_instantiation(true, CHECK);
 oop obj = oopFactory::new_typeArray(type, size, CHECK);
 thread->set_vm_result(obj);
 IRT_END
-IRT_ENTRY(void, InterpreterRuntime::anewarray(JavaThread* thread, constantPoolOopDesc* pool, int index, jint size))
+IRT_ENTRY(void, InterpreterRuntime::anewarray(JavaThread* thread, ConstantPool* pool, int index, jint size))
 // Note: no oopHandle for pool & klass needed since they are not used
 //       anymore after new_objArray() and no GC can happen before.
 //       (This may have to change if this code changes!)
-klassOop  klass = pool->klass_at(index, CHECK);
+Klass*    klass = pool->klass_at(index, CHECK);
 objArrayOop obj = oopFactory::new_objArray(klass, size, CHECK);
 thread->set_vm_result(obj);
 IRT_END
 IRT_ENTRY(void, InterpreterRuntime::multianewarray(JavaThread* thread, jint* first_size_address))
 // We may want to pass in more arguments - could make this slightly faster
-constantPoolOop constants = method(thread)->constants();
+ConstantPool* constants = method(thread)->constants();
 int          i = get_index_u2(thread, Bytecodes::_multianewarray);
-klassOop klass = constants->klass_at(i, CHECK);
+Klass* klass = constants->klass_at(i, CHECK);
 int   nof_dims = number_of_dimensions(thread);
-assert(oop(klass)->is_klass(), "not a class");
+assert(klass->is_klass(), "not a class");
 assert(nof_dims >= 1, "multianewarray rank must be nonzero");
 // We must create an array of jints to pass to multi_allocate.
 ResourceMark rm(thread);
 const int small_dims = 10;
 IRT_END
 IRT_ENTRY(void, InterpreterRuntime::register_finalizer(JavaThread* thread, oopDesc* obj))
 assert(obj->is_oop(), "must be a valid oop");
-assert(obj->klass()->klass_part()->has_finalizer(), "shouldn't be here otherwise");
+assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise");
-instanceKlass::register_finalizer(instanceOop(obj), CHECK);
+InstanceKlass::register_finalizer(instanceOop(obj), CHECK);
 IRT_END
 // Quicken instance-of and check-cast bytecodes
 IRT_ENTRY(void, InterpreterRuntime::quicken_io_cc(JavaThread* thread))
 // Force resolving; quicken the bytecode
 int which = get_index_u2(thread, Bytecodes::_checkcast);
-constantPoolOop cpool = method(thread)->constants();
+ConstantPool* cpool = method(thread)->constants();
 // We'd expect to assert that we're only here to quicken bytecodes, but in a multithreaded
 // program we might have seen an unquick'd bytecode in the interpreter but have another
 // thread quicken the bytecode before we get here.
 // assert( cpool->tag_at(which).is_unresolved_klass(), "should only come here to quicken bytecodes" );
-klassOop klass = cpool->klass_at(which, CHECK);
+Klass* klass = cpool->klass_at(which, CHECK);
-thread->set_vm_result(klass);
+thread->set_vm_result_2(klass);
 IRT_END
 //------------------------------------------------------------------------------------------------------------------------
 // Exceptions
 void InterpreterRuntime::note_trap(JavaThread* thread, int reason, TRAPS) {
 assert(ProfileTraps, "call me only if profiling");
 methodHandle trap_method(thread, method(thread));
 if (trap_method.not_null()) {
-methodDataHandle trap_mdo(thread, trap_method->method_data());
+MethodData* trap_mdo = trap_method->method_data();
-if (trap_mdo.is_null()) {
+if (trap_mdo == NULL) {
-methodOopDesc::build_interpreter_method_data(trap_method, THREAD);
+Method::build_interpreter_method_data(trap_method, THREAD);
 if (HAS_PENDING_EXCEPTION) {
 assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here");
 CLEAR_PENDING_EXCEPTION;
 }
-trap_mdo = methodDataHandle(thread, trap_method->method_data());
+trap_mdo = trap_method->method_data();
 // and fall through...
 }
-if (trap_mdo.not_null()) {
+if (trap_mdo != NULL) {
 // Update per-method count of trap events.  The interpreter
 // is updating the MDO to simulate the effect of compiler traps.
 int trap_bci = trap_method->bci_from(bcp(thread));
 Deoptimization::update_method_data_from_interpreter(trap_mdo, trap_bci, reason);
 }
 }
 }
-static Handle get_preinitialized_exception(klassOop k, TRAPS) {
+static Handle get_preinitialized_exception(Klass* k, TRAPS) {
 // get klass
-instanceKlass* klass = instanceKlass::cast(k);
+InstanceKlass* klass = InstanceKlass::cast(k);
 assert(klass->is_initialized(),
 "this klass should have been initialized during VM initialization");
 // create instance - do not call constructor since we may have no
 // (java) stack space left (should assert constructor is empty)
 Handle exception;
 tty->print_cr("Exception <%s> (" INTPTR_FORMAT ")", h_exception->print_value_string(), (address)h_exception());
 tty->print_cr(" thrown in interpreter method <%s>", h_method->print_value_string());
 tty->print_cr(" at bci %d for thread " INTPTR_FORMAT, current_bci, thread);
 }
 // Don't go paging in something which won't be used.
-//     else if (h_extable->length() == 0) {
+//     else if (extable->length() == 0) {
 //       // disabled for now - interpreter is not using shortcut yet
 //       // (shortcut is not to call runtime if we have no exception handlers)
 //       // warning("performance bug: should not call runtime if method has no exception handlers");
 //     }
 // for AbortVMOnException flag
 // We also need to delay resolving getstatic instructions until the
 // class is intitialized.  This is required so that access to the static
 // field will call the initialization function every time until the class
 // is completely initialized ala. in 2.17.5 in JVM Specification.
-instanceKlass *klass = instanceKlass::cast(info.klass()->as_klassOop());
+InstanceKlass *klass = InstanceKlass::cast(info.klass()());
 bool uninitialized_static = ((bytecode == Bytecodes::_getstatic || bytecode == Bytecodes::_putstatic) &&
 !klass->is_initialized());
 Bytecodes::Code get_code = (Bytecodes::Code)0;
 if (!uninitialized_static) {
 info.klass(),
 info.field_index(),
 info.field_offset(),
 state,
 info.access_flags().is_final(),
-info.access_flags().is_volatile()
+info.access_flags().is_volatile(),
+pool->pool_holder()
 );
 IRT_END
 //------------------------------------------------------------------------------------------------------------------------
 //------------------------------------------------------------------------------------------------------------------------
 // Invokes
-IRT_ENTRY(Bytecodes::Code, InterpreterRuntime::get_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp))
+IRT_ENTRY(Bytecodes::Code, InterpreterRuntime::get_original_bytecode_at(JavaThread* thread, Method* method, address bcp))
 return method->orig_bytecode_at(method->bci_from(bcp));
 IRT_END
-IRT_ENTRY(void, InterpreterRuntime::set_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp, Bytecodes::Code new_code))
+IRT_ENTRY(void, InterpreterRuntime::set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code))
 method->set_orig_bytecode_at(method->bci_from(bcp), new_code);
 IRT_END
-IRT_ENTRY(void, InterpreterRuntime::_breakpoint(JavaThread* thread, methodOopDesc* method, address bcp))
+IRT_ENTRY(void, InterpreterRuntime::_breakpoint(JavaThread* thread, Method* method, address bcp))
 JvmtiExport::post_raw_breakpoint(thread, method, bcp);
 IRT_END
 IRT_ENTRY(void, InterpreterRuntime::resolve_invoke(JavaThread* thread, Bytecodes::Code bytecode)) {
 // extract receiver from the outgoing argument list if necessary
 receiver = Handle(thread,
 thread->last_frame().interpreter_callee_receiver(signature));
 assert(Universe::heap()->is_in_reserved_or_null(receiver()),
 "sanity check");
 assert(receiver.is_null() ||
-Universe::heap()->is_in_reserved(receiver->klass()),
+!Universe::heap()->is_in_reserved(receiver->klass()),
 "sanity check");
 }
 // resolve method
 CallInfo info;
 get_index_u2_cpcache(thread, bytecode), bytecode, CHECK);
 } // end JvmtiHideSingleStepping
 cache_entry(thread)->set_method_handle(
 info.resolved_method(),
-info.resolved_appendix());
+info.resolved_appendix(),
+pool->resolved_references());
 }
 IRT_END
 // First time execution:  Resolve symbols, create a permanent CallSite object.
 // resolve method
 CallInfo info;
 constantPoolHandle pool(thread, method(thread)->constants());
 int index = get_index_u4(thread, bytecode);
 {
 JvmtiHideSingleStepping jhss(thread);
 LinkResolver::resolve_invoke(info, Handle(), pool,
 index, bytecode, CHECK);
 } // end JvmtiHideSingleStepping
-pool->cache()->secondary_entry_at(index)->set_dynamic_call(
+ConstantPoolCacheEntry* cp_cache_entry = pool->invokedynamic_cp_cache_entry_at(index);
+cp_cache_entry->set_dynamic_call(
 info.resolved_method(),
-info.resolved_appendix());
+info.resolved_appendix(),
+pool->resolved_references());
 }
 IRT_END
 //------------------------------------------------------------------------------------------------------------------------
 // frequency_counter_overflow_inner ends with a safepoint check,
 // nm could have been unloaded so look it up again.  It's unsafe
 // to examine nm directly since it might have been freed and used
 // for something else.
 frame fr = thread->last_frame();
-methodOop method =  fr.interpreter_frame_method();
+Method* method =  fr.interpreter_frame_method();
 int bci = method->bci_from(fr.interpreter_frame_bcp());
 nm = method->lookup_osr_nmethod_for(bci, CompLevel_none, false);
 }
 #ifndef PRODUCT
 if (TraceOnStackReplacement) {
 }
 }
 return osr_nm;
 IRT_END
-IRT_LEAF(jint, InterpreterRuntime::bcp_to_di(methodOopDesc* method, address cur_bcp))
+IRT_LEAF(jint, InterpreterRuntime::bcp_to_di(Method* method, address cur_bcp))
 assert(ProfileInterpreter, "must be profiling interpreter");
 int bci = method->bci_from(cur_bcp);
-methodDataOop mdo = method->method_data();
+MethodData* mdo = method->method_data();
 if (mdo == NULL)  return 0;
 return mdo->bci_to_di(bci);
 IRT_END
 IRT_ENTRY(void, InterpreterRuntime::profile_method(JavaThread* thread))
 assert(ProfileInterpreter, "must be profiling interpreter");
 frame fr = thread->last_frame();
 assert(fr.is_interpreted_frame(), "must come from interpreter");
 methodHandle method(thread, fr.interpreter_frame_method());
-methodOopDesc::build_interpreter_method_data(method, THREAD);
+Method::build_interpreter_method_data(method, THREAD);
 if (HAS_PENDING_EXCEPTION) {
 assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here");
 CLEAR_PENDING_EXCEPTION;
 // and fall through...
 }
 IRT_END
 #ifdef ASSERT
-IRT_LEAF(void, InterpreterRuntime::verify_mdp(methodOopDesc* method, address bcp, address mdp))
+IRT_LEAF(void, InterpreterRuntime::verify_mdp(Method* method, address bcp, address mdp))
 assert(ProfileInterpreter, "must be profiling interpreter");
-methodDataOop mdo = method->method_data();
+MethodData* mdo = method->method_data();
 assert(mdo != NULL, "must not be null");
 int bci = method->bci_from(bcp);
 address mdp2 = mdo->bci_to_dp(bci);
 assert(ProfileInterpreter, "must be profiling interpreter");
 ResourceMark rm(thread);
 HandleMark hm(thread);
 frame fr = thread->last_frame();
 assert(fr.is_interpreted_frame(), "must come from interpreter");
-methodDataHandle h_mdo(thread, fr.interpreter_frame_method()->method_data());
+MethodData* h_mdo = fr.interpreter_frame_method()->method_data();
 // Grab a lock to ensure atomic access to setting the return bci and
 // the displacement.  This can block and GC, invalidating all naked oops.
 MutexLocker ml(RetData_lock);
 IRT_ENTRY(void, InterpreterRuntime::post_field_access(JavaThread *thread, oopDesc* obj,
 ConstantPoolCacheEntry *cp_entry))
 // check the access_flags for the field in the klass
-instanceKlass* ik = instanceKlass::cast(java_lang_Class::as_klassOop(cp_entry->f1_as_klass_mirror()));
+InstanceKlass* ik = InstanceKlass::cast(cp_entry->f1_as_klass());
 int index = cp_entry->field_index();
 if ((ik->field_access_flags(index) & JVM_ACC_FIELD_ACCESS_WATCHED) == 0) return;
 switch(cp_entry->flag_state()) {
 case btos:    // fall through
 Handle h_obj;
 if (!is_static) {
 // non-static field accessors have an object, but we need a handle
 h_obj = Handle(thread, obj);
 }
-instanceKlassHandle h_cp_entry_f1(thread, java_lang_Class::as_klassOop(cp_entry->f1_as_klass_mirror()));
+instanceKlassHandle h_cp_entry_f1(thread, (Klass*)cp_entry->f1_as_klass());
 jfieldID fid = jfieldIDWorkaround::to_jfieldID(h_cp_entry_f1, cp_entry->f2_as_index(), is_static);
 JvmtiExport::post_field_access(thread, method(thread), bcp(thread), h_cp_entry_f1, h_obj, fid);
 IRT_END
 IRT_ENTRY(void, InterpreterRuntime::post_field_modification(JavaThread *thread,
 oopDesc* obj, ConstantPoolCacheEntry *cp_entry, jvalue *value))
-klassOop k = java_lang_Class::as_klassOop(cp_entry->f1_as_klass_mirror());
+Klass* k = (Klass*)cp_entry->f1_as_klass();
 // check the access_flags for the field in the klass
-instanceKlass* ik = instanceKlass::cast(k);
+InstanceKlass* ik = InstanceKlass::cast(k);
 int index = cp_entry->field_index();
 // bail out if field modifications are not watched
 if ((ik->field_access_flags(index) & JVM_ACC_FIELD_MODIFICATION_WATCHED) == 0) return;
 char sig_type = '\0';
 GrowableArray<uint64_t>* SignatureHandlerLibrary::_fingerprints = NULL;
 GrowableArray<address>*  SignatureHandlerLibrary::_handlers     = NULL;
 address                  SignatureHandlerLibrary::_buffer       = NULL;
-IRT_ENTRY(void, InterpreterRuntime::prepare_native_call(JavaThread* thread, methodOopDesc* method))
+IRT_ENTRY(void, InterpreterRuntime::prepare_native_call(JavaThread* thread, Method* method))
 methodHandle m(thread, method);
 assert(m->is_native(), "sanity check");
 // lookup native function entry point if it doesn't exist
 bool in_base_library;
 if (!m->has_native_function()) {

Mercurial > hg > truffle

comparison src/share/vm/interpreter/interpreterRuntime.cpp @ 6725:da91efe96a93