author | goetz |
Thu, 16 Jan 2014 14:25:51 +0100 | |
changeset 22868 | 7f6eb436873b |
parent 22861 | f5c393d456fc |
child 23221 | b70675ece1ce |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
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* Copyright 2012, 2013 SAP AG. 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 CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |
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#define CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |
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#include "assembler_ppc.inline.hpp" |
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#include "interpreter/invocationCounter.hpp" |
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// This file specializes the assembler with interpreter-specific macros |
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class InterpreterMacroAssembler: public MacroAssembler { |
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public: |
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InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
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void null_check_throw(Register a, int offset, Register temp_reg); |
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// Handy address generation macros |
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#define thread_(field_name) in_bytes(JavaThread::field_name ## _offset()), R16_thread |
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#define method_(field_name) in_bytes(Method::field_name ## _offset()), R19_method |
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#ifdef CC_INTERP |
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#define state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R14_state |
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#define prev_state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R15_prev_state |
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#endif |
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void get_method_counters(Register method, Register Rcounters, Label& skip); |
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void increment_invocation_counter(Register iv_be_count, Register Rtmp1, Register Rtmp2_r0); |
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// Object locking |
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void lock_object (Register lock_reg, Register obj_reg); |
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void unlock_object(Register lock_reg, bool check_for_exceptions = true); |
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// Debugging |
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void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos |
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// support for jvmdi/jvmpi |
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void notify_method_entry(); |
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void notify_method_exit(bool is_native_method, TosState state); |
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#ifdef CC_INTERP |
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// Convert the current TOP_IJAVA_FRAME into a PARENT_IJAVA_FRAME |
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// (using parent_frame_resize) and push a new interpreter |
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// TOP_IJAVA_FRAME (using frame_size). |
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void push_interpreter_frame(Register top_frame_size, Register parent_frame_resize, |
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Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register pc=noreg); |
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// Pop the topmost TOP_IJAVA_FRAME and convert the previous |
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// PARENT_IJAVA_FRAME back into a TOP_IJAVA_FRAME. |
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void pop_interpreter_frame(Register tmp1, Register tmp2, Register tmp3, Register tmp4); |
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// Turn state's interpreter frame into the current TOP_IJAVA_FRAME. |
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void pop_interpreter_frame_to_state(Register state, Register tmp1, Register tmp2, Register tmp3); |
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// Set SP to initial caller's sp, but before fix the back chain. |
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void resize_frame_to_initial_caller(Register tmp1, Register tmp2); |
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// Pop the current interpreter state (without popping the |
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// correspoding frame) and restore R14_state and R15_prev_state |
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// accordingly. Use prev_state_may_be_0 to indicate whether |
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// prev_state may be 0 in order to generate an extra check before |
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// retrieving prev_state_(_prev_link). |
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void pop_interpreter_state(bool prev_state_may_be_0); |
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void restore_prev_state(); |
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#endif |
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}; |
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#endif // CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |