202 lines
7.9 KiB
C++
202 lines
7.9 KiB
C++
/*
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* Copyright (c) 1999, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_C1_C1_RUNTIME1_HPP
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#define SHARE_VM_C1_C1_RUNTIME1_HPP
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#include "c1/c1_FrameMap.hpp"
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#include "code/stubs.hpp"
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#include "interpreter/interpreter.hpp"
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#include "memory/allocation.hpp"
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#include "runtime/deoptimization.hpp"
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class StubAssembler;
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// The Runtime1 holds all assembly stubs and VM
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// runtime routines needed by code code generated
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// by the Compiler1.
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#define RUNTIME1_STUBS(stub, last_entry) \
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stub(dtrace_object_alloc) \
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stub(unwind_exception) \
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stub(forward_exception) \
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stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \
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stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \
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stub(throw_div0_exception) \
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stub(throw_null_pointer_exception) \
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stub(register_finalizer) \
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stub(new_instance) \
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stub(fast_new_instance) \
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stub(fast_new_instance_init_check) \
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stub(new_type_array) \
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stub(new_object_array) \
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stub(new_multi_array) \
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stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
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stub(handle_exception) \
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stub(handle_exception_from_callee) \
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stub(throw_array_store_exception) \
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stub(throw_class_cast_exception) \
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stub(throw_incompatible_class_change_error) \
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stub(slow_subtype_check) \
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stub(monitorenter) \
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stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \
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stub(monitorexit) \
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stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \
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stub(deoptimize) \
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stub(access_field_patching) \
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stub(load_klass_patching) \
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stub(load_mirror_patching) \
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stub(load_appendix_patching) \
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stub(g1_pre_barrier_slow) \
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stub(g1_post_barrier_slow) \
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stub(fpu2long_stub) \
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stub(counter_overflow) \
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stub(predicate_failed_trap) \
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last_entry(number_of_ids)
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#define DECLARE_STUB_ID(x) x ## _id ,
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#define DECLARE_LAST_STUB_ID(x) x
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#define STUB_NAME(x) #x " Runtime1 stub",
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#define LAST_STUB_NAME(x) #x " Runtime1 stub"
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class Runtime1: public AllStatic {
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friend class VMStructs;
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friend class ArrayCopyStub;
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public:
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enum StubID {
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RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
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};
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// statistics
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#ifndef PRODUCT
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static int _resolve_invoke_cnt;
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static int _handle_wrong_method_cnt;
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static int _ic_miss_cnt;
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static int _generic_arraycopy_cnt;
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static int _primitive_arraycopy_cnt;
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static int _oop_arraycopy_cnt;
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static int _generic_arraycopystub_cnt;
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static int _arraycopy_slowcase_cnt;
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static int _arraycopy_checkcast_cnt;
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static int _arraycopy_checkcast_attempt_cnt;
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static int _new_type_array_slowcase_cnt;
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static int _new_object_array_slowcase_cnt;
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static int _new_instance_slowcase_cnt;
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static int _new_multi_array_slowcase_cnt;
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static int _monitorenter_slowcase_cnt;
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static int _monitorexit_slowcase_cnt;
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static int _patch_code_slowcase_cnt;
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static int _throw_range_check_exception_count;
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static int _throw_index_exception_count;
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static int _throw_div0_exception_count;
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static int _throw_null_pointer_exception_count;
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static int _throw_class_cast_exception_count;
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static int _throw_incompatible_class_change_error_count;
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static int _throw_array_store_exception_count;
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static int _throw_count;
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#endif
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private:
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static CodeBlob* _blobs[number_of_ids];
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static const char* _blob_names[];
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// stub generation
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static void generate_blob_for(BufferBlob* blob, StubID id);
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static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
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static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
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static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
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static void generate_unwind_exception(StubAssembler *sasm);
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static OopMapSet* generate_patching(StubAssembler* sasm, address target);
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static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
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Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
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// runtime entry points
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static void new_instance (JavaThread* thread, Klass* klass);
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static void new_type_array (JavaThread* thread, Klass* klass, jint length);
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static void new_object_array(JavaThread* thread, Klass* klass, jint length);
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static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
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static address counter_overflow(JavaThread* thread, int bci, Method* method);
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static void unimplemented_entry (JavaThread* thread, StubID id);
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static address exception_handler_for_pc(JavaThread* thread);
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static void throw_range_check_exception(JavaThread* thread, int index);
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static void throw_index_exception(JavaThread* thread, int index);
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static void throw_div0_exception(JavaThread* thread);
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static void throw_null_pointer_exception(JavaThread* thread);
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static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
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static void throw_incompatible_class_change_error(JavaThread* thread);
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static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
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static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
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static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
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static void deoptimize(JavaThread* thread);
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static int access_field_patching(JavaThread* thread);
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static int move_klass_patching(JavaThread* thread);
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static int move_mirror_patching(JavaThread* thread);
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static int move_appendix_patching(JavaThread* thread);
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static void patch_code(JavaThread* thread, StubID stub_id);
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public:
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// initialization
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static void initialize(BufferBlob* blob);
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static void initialize_pd();
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// stubs
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static CodeBlob* blob_for (StubID id);
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static address entry_for(StubID id) { return blob_for(id)->code_begin(); }
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static const char* name_for (StubID id);
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static const char* name_for_address(address entry);
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// platform might add runtime names.
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static const char* pd_name_for_address(address entry);
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// method tracing
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static void trace_block_entry(jint block_id);
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#ifndef PRODUCT
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static address throw_count_address() { return (address)&_throw_count; }
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static address arraycopy_count_address(BasicType type);
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#endif
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// directly accessible leaf routine
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static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length);
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static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length);
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static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length);
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static int is_instance_of(oopDesc* mirror, oopDesc* obj);
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static void predicate_failed_trap(JavaThread* thread);
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static void print_statistics() PRODUCT_RETURN;
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};
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#endif // SHARE_VM_C1_C1_RUNTIME1_HPP
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