truffle: src/share/vm/runtime/sharedRuntime.cpp comparison

comparison src/share/vm/runtime/sharedRuntime.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	93c71eb28866
children	2cb2f30450c7

comparison

equal deleted inserted replaced

-:36d1d483d5d6
+:da91efe96a93
 // called/generated when TraceRedefineClasses has the right bits
 // set. Since obsolete methods are never compiled, we don't have
 // to modify the compilers to generate calls to this function.
 //
 JRT_LEAF(int, SharedRuntime::rc_trace_method_entry(
-JavaThread* thread, methodOopDesc* method))
+JavaThread* thread, Method* method))
 assert(RC_TRACE_IN_RANGE(0x00001000, 0x00002000), "wrong call");
 if (method->is_obsolete()) {
 // We are calling an obsolete method, but this is not necessarily
 // an error. Our method could have been redefined just after we
-// fetched the methodOop from the constant pool.
+// fetched the Method* from the constant pool.
 // RC_TRACE macro has an embedded ResourceMark
 RC_TRACE_WITH_THREAD(0x00001000, thread,
 ("calling obsolete method '%s'",
 method->name_and_sig_as_C_string()));
 JRT_END
 JRT_ENTRY(void, SharedRuntime::throw_StackOverflowError(JavaThread* thread))
 // We avoid using the normal exception construction in this case because
 // it performs an upcall to Java, and we're already out of stack space.
-klassOop k = SystemDictionary::StackOverflowError_klass();
+Klass* k = SystemDictionary::StackOverflowError_klass();
-oop exception_oop = instanceKlass::cast(k)->allocate_instance(CHECK);
+oop exception_oop = InstanceKlass::cast(k)->allocate_instance(CHECK);
 Handle exception (thread, exception_oop);
 if (StackTraceInThrowable) {
 java_lang_Throwable::fill_in_stack_trace(exception);
 }
 throw_and_post_jvmti_exception(thread, exception);
 JRT_END
 JRT_ENTRY_NO_ASYNC(void, SharedRuntime::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);
 JRT_END
 jlong SharedRuntime::get_java_tid(Thread* thread) {
 if (thread != NULL) {
 return dtrace_object_alloc_base(Thread::current(), o);
 }
 int SharedRuntime::dtrace_object_alloc_base(Thread* thread, oopDesc* o) {
 assert(DTraceAllocProbes, "wrong call");
-Klass* klass = o->blueprint();
+Klass* klass = o->klass();
 int size = o->size();
 Symbol* name = klass->name();
 #ifndef USDT2
 HS_DTRACE_PROBE4(hotspot, object__alloc, get_java_tid(thread),
 name->bytes(), name->utf8_length(), size * HeapWordSize);
 #endif /* USDT2 */
 return 0;
 }
 JRT_LEAF(int, SharedRuntime::dtrace_method_entry(
-JavaThread* thread, methodOopDesc* method))
+JavaThread* thread, Method* method))
 assert(DTraceMethodProbes, "wrong call");
 Symbol* kname = method->klass_name();
 Symbol* name = method->name();
 Symbol* sig = method->signature();
 #ifndef USDT2
 #endif /* USDT2 */
 return 0;
 JRT_END
 JRT_LEAF(int, SharedRuntime::dtrace_method_exit(
-JavaThread* thread, methodOopDesc* method))
+JavaThread* thread, Method* method))
 assert(DTraceMethodProbes, "wrong call");
 Symbol* kname = method->klass_name();
 Symbol* name = method->name();
 Symbol* sig = method->signature();
 #ifndef USDT2
 #ifdef ASSERT
 // Check that the receiver klass is of the right subtype and that it is initialized for virtual calls
 if (bc != Bytecodes::_invokestatic && bc != Bytecodes::_invokedynamic) {
 assert(receiver.not_null(), "should have thrown exception");
 KlassHandle receiver_klass(THREAD, receiver->klass());
-klassOop rk = constants->klass_ref_at(bytecode_index, CHECK_(nullHandle));
+Klass* rk = constants->klass_ref_at(bytecode_index, CHECK_(nullHandle));
 // klass is already loaded
 KlassHandle static_receiver_klass(THREAD, rk);
 // Method handle invokes might have been optimized to a direct call
 // so don't check for the receiver class.
 // FIXME this weakens the assert too much
 assert(receiver_klass->is_subtype_of(static_receiver_klass()) ||
 callee->is_method_handle_intrinsic() ||
 callee->is_compiled_lambda_form(),
 "actual receiver must be subclass of static receiver klass");
 if (receiver_klass->oop_is_instance()) {
-if (instanceKlass::cast(receiver_klass())->is_not_initialized()) {
+if (InstanceKlass::cast(receiver_klass())->is_not_initialized()) {
 tty->print_cr("ERROR: Klass not yet initialized!!");
-receiver_klass.print();
+receiver_klass()->print();
 }
-assert(!instanceKlass::cast(receiver_klass())->is_not_initialized(), "receiver_klass must be initialized");
+assert(!InstanceKlass::cast(receiver_klass())->is_not_initialized(), "receiver_klass must be initialized");
 }
 }
 #endif
 return receiver;
 // grab lock, check for deoptimization and potentially patch caller
 {
 MutexLocker ml_patch(CompiledIC_lock);
-// Now that we are ready to patch if the methodOop was redefined then
+// Now that we are ready to patch if the Method* was redefined then
 // don't update call site and let the caller retry.
 if (!callee_method->is_old()) {
 #ifdef ASSERT
 // We must not try to patch to jump to an already unloaded method.
 assert(CodeCache::find_blob(dest_entry_point) != NULL,
 "should not unload nmethod while locked");
 }
 #endif
 if (is_virtual) {
-CompiledIC* inline_cache = CompiledIC_before(caller_frame.pc());
+nmethod* nm = callee_nm;
+if (nm == NULL) CodeCache::find_blob(caller_frame.pc());
+CompiledIC* inline_cache = CompiledIC_before(caller_nm, caller_frame.pc());
 if (inline_cache->is_clean()) {
 inline_cache->set_to_monomorphic(virtual_call_info);
 }
 } else {
 CompiledStaticCall* ssc = compiledStaticCall_before(caller_frame.pc());
 #endif /* ASSERT */
 methodHandle callee_method;
 JRT_BLOCK
 callee_method = SharedRuntime::handle_ic_miss_helper(thread, CHECK_NULL);
-// Return methodOop through TLS
+// Return Method* through TLS
-thread->set_vm_result(callee_method());
+thread->set_vm_result_2(callee_method());
 JRT_BLOCK_END
 // return compiled code entry point after potential safepoints
 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!");
 return callee_method->verified_code_entry();
 JRT_END
 CodeBlob* sender_cb = caller_frame.cb();
 nmethod*  sender_nm = sender_cb->as_nmethod_or_null();
 if (caller_frame.is_interpreted_frame() ||
 caller_frame.is_entry_frame()) {
-methodOop callee = thread->callee_target();
+Method* callee = thread->callee_target();
 guarantee(callee != NULL && callee->is_method(), "bad handshake");
-thread->set_vm_result(callee);
+thread->set_vm_result_2(callee);
 thread->set_callee_target(NULL);
 return callee->get_c2i_entry();
 }
 // Must be compiled to compiled path which is safe to stackwalk
 methodHandle callee_method;
 JRT_BLOCK
 // Force resolving of caller (if we called from compiled frame)
 callee_method = SharedRuntime::reresolve_call_site(thread, CHECK_NULL);
-thread->set_vm_result(callee_method());
+thread->set_vm_result_2(callee_method());
 JRT_BLOCK_END
 // return compiled code entry point after potential safepoints
 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!");
 return callee_method->verified_code_entry();
 JRT_END
 // resolve a static call and patch code
 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_static_call_C(JavaThread *thread ))
 methodHandle callee_method;
 JRT_BLOCK
 callee_method = SharedRuntime::resolve_helper(thread, false, false, CHECK_NULL);
-thread->set_vm_result(callee_method());
+thread->set_vm_result_2(callee_method());
 JRT_BLOCK_END
 // return compiled code entry point after potential safepoints
 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!");
 return callee_method->verified_code_entry();
 JRT_END
 // resolve virtual call and update inline cache to monomorphic
 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_virtual_call_C(JavaThread *thread ))
 methodHandle callee_method;
 JRT_BLOCK
 callee_method = SharedRuntime::resolve_helper(thread, true, false, CHECK_NULL);
-thread->set_vm_result(callee_method());
+thread->set_vm_result_2(callee_method());
 JRT_BLOCK_END
 // return compiled code entry point after potential safepoints
 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!");
 return callee_method->verified_code_entry();
 JRT_END
 // monomorphic, so it has no inline cache).  Patch code to resolved target.
 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_opt_virtual_call_C(JavaThread *thread))
 methodHandle callee_method;
 JRT_BLOCK
 callee_method = SharedRuntime::resolve_helper(thread, true, true, CHECK_NULL);
-thread->set_vm_result(callee_method());
+thread->set_vm_result_2(callee_method());
 JRT_BLOCK_END
 // return compiled code entry point after potential safepoints
 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!");
 return callee_method->verified_code_entry();
 JRT_END
 RegisterMap reg_map(thread, false);
 frame caller_frame = thread->last_frame().sender(&reg_map);
 CodeBlob* cb = caller_frame.cb();
 if (cb->is_nmethod() && ((nmethod*)cb)->is_in_use()) {
 // Not a non-entrant nmethod, so find inline_cache
-CompiledIC* inline_cache = CompiledIC_before(caller_frame.pc());
+CompiledIC* inline_cache = CompiledIC_before(((nmethod*)cb), caller_frame.pc());
 bool should_be_mono = false;
 if (inline_cache->is_optimized()) {
 if (TraceCallFixup) {
 ResourceMark rm(thread);
 tty->print("OPTIMIZED IC miss (%s) call to", Bytecodes::name(bc));
 callee_method->print_short_name(tty);
 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code());
 }
 should_be_mono = true;
-} else {
+} else if (inline_cache->is_icholder_call()) {
-compiledICHolderOop ic_oop = (compiledICHolderOop) inline_cache->cached_oop();
+CompiledICHolder* ic_oop = inline_cache->cached_icholder();
-if ( ic_oop != NULL && ic_oop->is_compiledICHolder()) {
+if ( ic_oop != NULL) {
 if (receiver()->klass() == ic_oop->holder_klass()) {
 // This isn't a real miss. We must have seen that compiled code
 // is now available and we want the call site converted to a
 // monomorphic compiled call site.
 if (is_static_call) {
 CompiledStaticCall* ssc= compiledStaticCall_at(call_addr);
 ssc->set_to_clean();
 } else {
 // compiled, dispatched call (which used to call an interpreted method)
-CompiledIC* inline_cache = CompiledIC_at(call_addr);
+CompiledIC* inline_cache = CompiledIC_at(caller_nm, call_addr);
 inline_cache->set_to_clean();
 }
 }
 }
 // We are calling the interpreter via a c2i. Normally this would mean that
 // we were called by a compiled method. However we could have lost a race
 // where we went int -> i2c -> c2i and so the caller could in fact be
 // interpreted. If the caller is compiled we attempt to patch the caller
 // so he no longer calls into the interpreter.
-IRT_LEAF(void, SharedRuntime::fixup_callers_callsite(methodOopDesc* method, address caller_pc))
+IRT_LEAF(void, SharedRuntime::fixup_callers_callsite(Method* method, address caller_pc))
-methodOop moop(method);
+Method* moop(method);
 address entry_point = moop->from_compiled_entry();
 // It's possible that deoptimization can occur at a call site which hasn't
 // been resolved yet, in which case this function will be called from
 // an nmethod that has been patched for deopt and we can ignore the
 // request for a fixup.
 // Also it is possible that we lost a race in that from_compiled_entry
 // is now back to the i2c in that case we don't need to patch and if
 // we did we'd leap into space because the callsite needs to use
-// "to interpreter" stub in order to load up the methodOop. Don't
+// "to interpreter" stub in order to load up the Method*. Don't
 // ask me how I know this...
 CodeBlob* cb = CodeCache::find_blob(caller_pc);
 if (!cb->is_nmethod() || entry_point == moop->get_c2i_entry()) {
 return;
 static int _size_histogram[MAX_ARITY];      // histogram of arg size in words
 static int _max_arity;                      // max. arity seen
 static int _max_size;                       // max. arg size seen
 static void add_method_to_histogram(nmethod* nm) {
-methodOop m = nm->method();
+Method* m = nm->method();
 ArgumentCount args(m->signature());
 int arity   = args.size() + (m->is_static() ? 0 : 1);
 int argsize = m->size_of_parameters();
 arity   = MIN2(arity, MAX_ARITY-1);
 argsize = MIN2(argsize, MAX_ARITY-1);
 }
 // QQQ we could place number of active monitors in the array so that compiled code
 // could double check it.
-methodOop moop = fr.interpreter_frame_method();
+Method* moop = fr.interpreter_frame_method();
 int max_locals = moop->max_locals();
 // Allocate temp buffer, 1 word per local & 2 per active monitor
 int buf_size_words = max_locals + active_monitor_count*2;
 intptr_t *buf = NEW_C_HEAP_ARRAY(intptr_t,buf_size_words, mtCode);

Mercurial > hg > truffle

comparison src/share/vm/runtime/sharedRuntime.cpp @ 6725:da91efe96a93