author | jrose |
Fri, 30 Oct 2009 16:22:59 -0700 | |
changeset 4429 | d7eb4e2099aa |
parent 3696 | 9e5d9b5e1049 |
child 5688 | 9052dc91ea67 |
child 5547 | f4b087cbb361 |
permissions | -rw-r--r-- |
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/* |
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* Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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* |
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*/ |
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// The InterpreterRuntime is called by the interpreter for everything |
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// that cannot/should not be dealt with in assembly and needs C support. |
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class InterpreterRuntime: AllStatic { |
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friend class BytecodeClosure; // for method and bcp |
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friend class PrintingClosure; // for method and bcp |
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private: |
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// Helper functions to access current interpreter state |
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static frame last_frame(JavaThread *thread) { return thread->last_frame(); } |
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static methodOop method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); } |
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static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); } |
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static void set_bcp_and_mdp(address bcp, JavaThread*thread); |
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static Bytecodes::Code code(JavaThread *thread) { |
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// pass method to avoid calling unsafe bcp_to_method (partial fix 4926272) |
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return Bytecodes::code_at(bcp(thread), method(thread)); |
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} |
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static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); } |
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static int one_byte_index(JavaThread *thread) { return bcp(thread)[1]; } |
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static int two_byte_index(JavaThread *thread) { return Bytes::get_Java_u2(bcp(thread) + 1); } |
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static int four_byte_index(JavaThread *thread) { return Bytes::get_native_u4(bcp(thread) + 1); } |
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static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; } |
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static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); } |
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static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); } |
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static void note_trap(JavaThread *thread, int reason, TRAPS); |
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// Inner work method for Interpreter's frequency counter overflow |
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static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp); |
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public: |
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// Constants |
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static void ldc (JavaThread* thread, bool wide); |
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// Allocation |
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static void _new (JavaThread* thread, constantPoolOopDesc* pool, int index); |
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static void newarray (JavaThread* thread, BasicType type, jint size); |
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static void anewarray (JavaThread* thread, constantPoolOopDesc* pool, int index, jint size); |
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static void multianewarray(JavaThread* thread, jint* first_size_address); |
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static void register_finalizer(JavaThread* thread, oopDesc* obj); |
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// Quicken instance-of and check-cast bytecodes |
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static void quicken_io_cc(JavaThread* thread); |
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// Exceptions thrown by the interpreter |
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static void throw_AbstractMethodError(JavaThread* thread); |
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static void throw_IncompatibleClassChangeError(JavaThread* thread); |
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static void throw_StackOverflowError(JavaThread* thread); |
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static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index); |
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static void throw_ClassCastException(JavaThread* thread, oopDesc* obj); |
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static void throw_WrongMethodTypeException(JavaThread* thread, oopDesc* mtype = NULL, oopDesc* mhandle = NULL); |
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static void create_exception(JavaThread* thread, char* name, char* message); |
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static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj); |
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static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception); |
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static void throw_pending_exception(JavaThread* thread); |
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// Statics & fields |
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static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode); |
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// Synchronization |
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static void monitorenter(JavaThread* thread, BasicObjectLock* elem); |
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static void monitorexit (JavaThread* thread, BasicObjectLock* elem); |
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static void throw_illegal_monitor_state_exception(JavaThread* thread); |
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static void new_illegal_monitor_state_exception(JavaThread* thread); |
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// Calls |
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static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode); |
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static void resolve_invokedynamic(JavaThread* thread); |
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// Breakpoints |
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static void _breakpoint(JavaThread* thread, methodOopDesc* method, address bcp); |
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static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp); |
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static void set_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp, Bytecodes::Code new_code); |
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static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; } |
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// Safepoints |
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static void at_safepoint(JavaThread* thread); |
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// Debugger support |
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static void post_field_access(JavaThread *thread, oopDesc* obj, |
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ConstantPoolCacheEntry *cp_entry); |
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static void post_field_modification(JavaThread *thread, oopDesc* obj, |
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ConstantPoolCacheEntry *cp_entry, jvalue *value); |
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static void post_method_entry(JavaThread *thread); |
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static void post_method_exit (JavaThread *thread); |
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static int interpreter_contains(address pc); |
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// Native signature handlers |
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static void prepare_native_call(JavaThread* thread, methodOopDesc* method); |
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static address slow_signature_handler(JavaThread* thread, |
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methodOopDesc* method, |
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intptr_t* from, intptr_t* to); |
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#if defined(IA32) || defined(AMD64) |
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// Popframe support (only needed on x86 and AMD64) |
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static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address); |
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#endif |
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// Platform dependent stuff |
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#include "incls/_interpreterRT_pd.hpp.incl" |
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// Interpreter's frequency counter overflow |
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static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp); |
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// Interpreter profiling support |
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static jint bcp_to_di(methodOopDesc* method, address cur_bcp); |
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static jint profile_method(JavaThread* thread, address cur_bcp); |
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static void update_mdp_for_ret(JavaThread* thread, int bci); |
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#ifdef ASSERT |
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static void verify_mdp(methodOopDesc* method, address bcp, address mdp); |
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#endif // ASSERT |
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}; |
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class SignatureHandlerLibrary: public AllStatic { |
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public: |
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enum { buffer_size = 1*K }; // the size of the temporary code buffer |
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enum { blob_size = 32*K }; // the size of a handler code blob. |
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private: |
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static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers |
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static address _handler; // next available address within _handler_blob; |
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static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection |
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static GrowableArray<address>* _handlers; // the corresponding handlers |
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static address _buffer; // the temporary code buffer |
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static address set_handler_blob(); |
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static void initialize(); |
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static address set_handler(CodeBuffer* buffer); |
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static void pd_set_handler(address handler); |
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public: |
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static void add(methodHandle method); |
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}; |