| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP |
| #define SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP |
| |
| #include "interpreter/bytecode.hpp" |
| #include "interpreter/linkResolver.hpp" |
| #include "memory/universe.hpp" |
| #include "oops/method.hpp" |
| #include "runtime/frame.inline.hpp" |
| #include "runtime/signature.hpp" |
| #include "runtime/thread.inline.hpp" |
| #include "utilities/top.hpp" |
| |
| // The InterpreterRuntime is called by the interpreter for everything |
| // that cannot/should not be dealt with in assembly and needs C support. |
| |
| class InterpreterRuntime: AllStatic { |
| friend class BytecodeClosure; // for method and bcp |
| friend class PrintingClosure; // for method and bcp |
| |
| private: |
| // Helper functions to access current interpreter state |
| static frame last_frame(JavaThread *thread) { return thread->last_frame(); } |
| static Method* method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); } |
| static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); } |
| static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); } |
| static void set_bcp_and_mdp(address bcp, JavaThread*thread); |
| static Bytecodes::Code code(JavaThread *thread) { |
| // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272) |
| return Bytecodes::code_at(method(thread), bcp(thread)); |
| } |
| static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); } |
| static Bytecode bytecode(JavaThread *thread) { return Bytecode(method(thread), bcp(thread)); } |
| static int get_index_u1(JavaThread *thread, Bytecodes::Code bc) |
| { return bytecode(thread).get_index_u1(bc); } |
| static int get_index_u2(JavaThread *thread, Bytecodes::Code bc) |
| { return bytecode(thread).get_index_u2(bc); } |
| static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc) |
| { return bytecode(thread).get_index_u2_cpcache(bc); } |
| static int get_index_u4(JavaThread *thread, Bytecodes::Code bc) |
| { return bytecode(thread).get_index_u4(bc); } |
| static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; } |
| |
| static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); } |
| static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); } |
| static void note_trap_inner(JavaThread* thread, int reason, |
| methodHandle trap_method, int trap_bci, TRAPS); |
| static void note_trap(JavaThread *thread, int reason, TRAPS); |
| #ifdef CC_INTERP |
| // Profile traps in C++ interpreter. |
| static void note_trap(JavaThread* thread, int reason, Method *method, int trap_bci); |
| #endif // CC_INTERP |
| |
| // Inner work method for Interpreter's frequency counter overflow. |
| static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp); |
| |
| public: |
| // Constants |
| static void ldc (JavaThread* thread, bool wide); |
| static void resolve_ldc (JavaThread* thread, Bytecodes::Code bytecode); |
| |
| // Allocation |
| static void _new (JavaThread* thread, ConstantPool* pool, int index); |
| static void newarray (JavaThread* thread, BasicType type, jint size); |
| static void anewarray (JavaThread* thread, ConstantPool* pool, int index, jint size); |
| static void multianewarray(JavaThread* thread, jint* first_size_address); |
| static void register_finalizer(JavaThread* thread, oopDesc* obj); |
| |
| // Quicken instance-of and check-cast bytecodes |
| static void quicken_io_cc(JavaThread* thread); |
| |
| // Exceptions thrown by the interpreter |
| static void throw_AbstractMethodError(JavaThread* thread); |
| static void throw_IncompatibleClassChangeError(JavaThread* thread); |
| static void throw_StackOverflowError(JavaThread* thread); |
| static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index); |
| static void throw_ClassCastException(JavaThread* thread, oopDesc* obj); |
| static void create_exception(JavaThread* thread, char* name, char* message); |
| static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj); |
| static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception); |
| #if INCLUDE_JVMTI |
| static void member_name_arg_or_null(JavaThread* thread, address dmh, Method* m, address bcp); |
| #endif |
| static void throw_pending_exception(JavaThread* thread); |
| |
| #ifdef CC_INTERP |
| // Profile traps in C++ interpreter. |
| static void note_nullCheck_trap (JavaThread* thread, Method *method, int trap_bci); |
| static void note_div0Check_trap (JavaThread* thread, Method *method, int trap_bci); |
| static void note_rangeCheck_trap(JavaThread* thread, Method *method, int trap_bci); |
| static void note_classCheck_trap(JavaThread* thread, Method *method, int trap_bci); |
| static void note_arrayCheck_trap(JavaThread* thread, Method *method, int trap_bci); |
| // A dummy for makros that shall not profile traps. |
| static void note_no_trap(JavaThread* thread, Method *method, int trap_bci) {} |
| #endif // CC_INTERP |
| |
| // Statics & fields |
| static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode); |
| |
| // Synchronization |
| static void monitorenter(JavaThread* thread, BasicObjectLock* elem); |
| static void monitorexit (JavaThread* thread, BasicObjectLock* elem); |
| |
| static void throw_illegal_monitor_state_exception(JavaThread* thread); |
| static void new_illegal_monitor_state_exception(JavaThread* thread); |
| |
| // Calls |
| static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode); |
| static void resolve_invokehandle (JavaThread* thread); |
| static void resolve_invokedynamic(JavaThread* thread); |
| |
| // Breakpoints |
| static void _breakpoint(JavaThread* thread, Method* method, address bcp); |
| static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp); |
| static void set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code); |
| static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; } |
| |
| // Safepoints |
| static void at_safepoint(JavaThread* thread); |
| |
| // Debugger support |
| static void post_field_access(JavaThread *thread, oopDesc* obj, |
| ConstantPoolCacheEntry *cp_entry); |
| static void post_field_modification(JavaThread *thread, oopDesc* obj, |
| ConstantPoolCacheEntry *cp_entry, jvalue *value); |
| static void post_method_entry(JavaThread *thread); |
| static void post_method_exit (JavaThread *thread); |
| static int interpreter_contains(address pc); |
| |
| // Native signature handlers |
| static void prepare_native_call(JavaThread* thread, Method* method); |
| static address slow_signature_handler(JavaThread* thread, |
| Method* method, |
| intptr_t* from, intptr_t* to); |
| |
| #if defined(IA32) || defined(AMD64) || defined(ARM) |
| // Popframe support (only needed on x86, AMD64 and ARM) |
| static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address); |
| #endif |
| |
| // Platform dependent stuff |
| #ifdef TARGET_ARCH_x86 |
| # include "interpreterRT_x86.hpp" |
| #endif |
| #ifdef TARGET_ARCH_sparc |
| # include "interpreterRT_sparc.hpp" |
| #endif |
| #ifdef TARGET_ARCH_zero |
| # include "interpreterRT_zero.hpp" |
| #endif |
| #ifdef TARGET_ARCH_arm |
| # include "interpreterRT_arm.hpp" |
| #endif |
| #ifdef TARGET_ARCH_ppc |
| # include "interpreterRT_ppc.hpp" |
| #endif |
| |
| |
| // Interpreter's frequency counter overflow |
| static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp); |
| |
| // Interpreter profiling support |
| static jint bcp_to_di(Method* method, address cur_bcp); |
| static void profile_method(JavaThread* thread); |
| static void update_mdp_for_ret(JavaThread* thread, int bci); |
| #ifdef ASSERT |
| static void verify_mdp(Method* method, address bcp, address mdp); |
| #endif // ASSERT |
| static MethodCounters* build_method_counters(JavaThread* thread, Method* m); |
| }; |
| |
| |
| class SignatureHandlerLibrary: public AllStatic { |
| public: |
| enum { buffer_size = 1*K }; // the size of the temporary code buffer |
| enum { blob_size = 32*K }; // the size of a handler code blob. |
| |
| private: |
| static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers |
| static address _handler; // next available address within _handler_blob; |
| static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection |
| static GrowableArray<address>* _handlers; // the corresponding handlers |
| static address _buffer; // the temporary code buffer |
| |
| static address set_handler_blob(); |
| static void initialize(); |
| static address set_handler(CodeBuffer* buffer); |
| static void pd_set_handler(address handler); |
| |
| public: |
| static void add(methodHandle method); |
| }; |
| |
| #endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP |