Mercurial > hg > graal-compiler
view src/share/vm/ci/ciMethodData.hpp @ 1630:7cc68a696c62
6966252: Bump the HS19 build number to 04
Summary: Update the HS19 build number to 04
Reviewed-by: jcoomes
author | trims |
---|---|
date | Fri, 02 Jul 2010 01:37:36 -0700 |
parents | c18cbe5936b8 |
children | d5d065957597 |
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/* * Copyright (c) 2001, 2008, 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. * */ class ciBitData; class ciCounterData; class ciJumpData; class ciReceiverTypeData; class ciRetData; class ciBranchData; class ciArrayData; class ciMultiBranchData; class ciArgInfoData; typedef ProfileData ciProfileData; class ciBitData : public BitData { public: ciBitData(DataLayout* layout) : BitData(layout) {}; }; class ciCounterData : public CounterData { public: ciCounterData(DataLayout* layout) : CounterData(layout) {}; }; class ciJumpData : public JumpData { public: ciJumpData(DataLayout* layout) : JumpData(layout) {}; }; class ciReceiverTypeData : public ReceiverTypeData { public: ciReceiverTypeData(DataLayout* layout) : ReceiverTypeData(layout) {}; void set_receiver(uint row, ciKlass* recv) { assert((uint)row < row_limit(), "oob"); set_intptr_at(receiver0_offset + row * receiver_type_row_cell_count, (intptr_t) recv); } ciKlass* receiver(uint row) { assert((uint)row < row_limit(), "oob"); ciObject* recv = (ciObject*)intptr_at(receiver0_offset + row * receiver_type_row_cell_count); assert(recv == NULL || recv->is_klass(), "wrong type"); return (ciKlass*)recv; } // Copy & translate from oop based ReceiverTypeData virtual void translate_from(ProfileData* data) { translate_receiver_data_from(data); } void translate_receiver_data_from(ProfileData* data); #ifndef PRODUCT void print_data_on(outputStream* st); void print_receiver_data_on(outputStream* st); #endif }; class ciVirtualCallData : public VirtualCallData { // Fake multiple inheritance... It's a ciReceiverTypeData also. ciReceiverTypeData* rtd_super() { return (ciReceiverTypeData*) this; } public: ciVirtualCallData(DataLayout* layout) : VirtualCallData(layout) {}; void set_receiver(uint row, ciKlass* recv) { rtd_super()->set_receiver(row, recv); } ciKlass* receiver(uint row) { return rtd_super()->receiver(row); } // Copy & translate from oop based VirtualCallData virtual void translate_from(ProfileData* data) { rtd_super()->translate_receiver_data_from(data); } #ifndef PRODUCT void print_data_on(outputStream* st); #endif }; class ciRetData : public RetData { public: ciRetData(DataLayout* layout) : RetData(layout) {}; }; class ciBranchData : public BranchData { public: ciBranchData(DataLayout* layout) : BranchData(layout) {}; }; class ciArrayData : public ArrayData { public: ciArrayData(DataLayout* layout) : ArrayData(layout) {}; }; class ciMultiBranchData : public MultiBranchData { public: ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {}; }; class ciArgInfoData : public ArgInfoData { public: ciArgInfoData(DataLayout* layout) : ArgInfoData(layout) {}; }; // ciMethodData // // This class represents a methodDataOop in the HotSpot virtual // machine. class ciMethodData : public ciObject { CI_PACKAGE_ACCESS private: // Size in bytes int _data_size; int _extra_data_size; // Data entries intptr_t* _data; // Cached hint for data_before() int _hint_di; // Is data attached? And is it mature? enum { empty_state, immature_state, mature_state }; u_char _state; // Set this true if empty extra_data slots are ever witnessed. u_char _saw_free_extra_data; // Support for interprocedural escape analysis intx _eflags; // flags on escape information intx _arg_local; // bit set of non-escaping arguments intx _arg_stack; // bit set of stack-allocatable arguments intx _arg_returned; // bit set of returned arguments // Maturity of the oop when the snapshot is taken. int _current_mileage; // Coherent snapshot of original header. methodDataOopDesc _orig; ciMethodData(methodDataHandle h_md); ciMethodData(); // Accessors int data_size() const { return _data_size; } int extra_data_size() const { return _extra_data_size; } intptr_t * data() const { return _data; } methodDataOop get_methodDataOop() const { if (handle() == NULL) return NULL; methodDataOop mdo = (methodDataOop)get_oop(); assert(mdo != NULL, "illegal use of unloaded method data"); return mdo; } const char* type_string() { return "ciMethodData"; } void print_impl(outputStream* st); DataLayout* data_layout_at(int data_index) const { assert(data_index % sizeof(intptr_t) == 0, "unaligned"); return (DataLayout*) (((address)_data) + data_index); } bool out_of_bounds(int data_index) { return data_index >= data_size(); } // hint accessors int hint_di() const { return _hint_di; } void set_hint_di(int di) { assert(!out_of_bounds(di), "hint_di out of bounds"); _hint_di = di; } ciProfileData* data_before(int bci) { // avoid SEGV on this edge case if (data_size() == 0) return NULL; int hint = hint_di(); if (data_layout_at(hint)->bci() <= bci) return data_at(hint); return first_data(); } // What is the index of the first data entry? int first_di() { return 0; } ciArgInfoData *arg_info() const; public: bool is_method_data() { return true; } bool is_empty() { return _state == empty_state; } bool is_mature() { return _state == mature_state; } int creation_mileage() { return _orig.creation_mileage(); } int current_mileage() { return _current_mileage; } void load_data(); // Convert a dp (data pointer) to a di (data index). int dp_to_di(address dp) { return dp - ((address)_data); } // Get the data at an arbitrary (sort of) data index. ciProfileData* data_at(int data_index); // Walk through the data in order. ciProfileData* first_data() { return data_at(first_di()); } ciProfileData* next_data(ciProfileData* current); bool is_valid(ciProfileData* current) { return current != NULL; } // Get the data at an arbitrary bci, or NULL if there is none. ciProfileData* bci_to_data(int bci); ciProfileData* bci_to_extra_data(int bci, bool create_if_missing); uint overflow_trap_count() const { return _orig.overflow_trap_count(); } uint overflow_recompile_count() const { return _orig.overflow_recompile_count(); } uint decompile_count() const { return _orig.decompile_count(); } uint trap_count(int reason) const { return _orig.trap_count(reason); } uint trap_reason_limit() const { return _orig.trap_reason_limit(); } uint trap_count_limit() const { return _orig.trap_count_limit(); } // Helpful query functions that decode trap_state. int has_trap_at(ciProfileData* data, int reason); int has_trap_at(int bci, int reason) { return has_trap_at(bci_to_data(bci), reason); } int trap_recompiled_at(ciProfileData* data); int trap_recompiled_at(int bci) { return trap_recompiled_at(bci_to_data(bci)); } void clear_escape_info(); bool has_escape_info(); void update_escape_info(); void set_eflag(methodDataOopDesc::EscapeFlag f); void clear_eflag(methodDataOopDesc::EscapeFlag f); bool eflag_set(methodDataOopDesc::EscapeFlag f) const; void set_arg_local(int i); void set_arg_stack(int i); void set_arg_returned(int i); void set_arg_modified(int arg, uint val); bool is_arg_local(int i) const; bool is_arg_stack(int i) const; bool is_arg_returned(int i) const; uint arg_modified(int arg) const; // Code generation helper ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data); int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); } #ifndef PRODUCT // printing support for method data void print(); void print_data_on(outputStream* st); #endif };