1550fd889b
Change CC_INTERP conditional to ZERO and remove in places where unnecessary. Fix build to exclude compilers and rename CppInterpreter to ZeroInterpreter. The "C++ Interpreter" has been removed from the code a while ago. Reviewed-by: dholmes, ihse
121 lines
5.2 KiB
C++
121 lines
5.2 KiB
C++
/*
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* Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
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* Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
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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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#include "precompiled.hpp"
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#include "interpreter/zero/bytecodeInterpreter.hpp"
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#include "interpreter/zero/zeroInterpreter.hpp"
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#include "runtime/frame.inline.hpp"
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#include "utilities/globalDefinitions.hpp"
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int AbstractInterpreter::BasicType_as_index(BasicType type) {
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int i = 0;
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switch (type) {
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case T_BOOLEAN: i = 0; break;
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case T_CHAR : i = 1; break;
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case T_BYTE : i = 2; break;
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case T_SHORT : i = 3; break;
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case T_INT : i = 4; break;
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case T_LONG : i = 5; break;
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case T_VOID : i = 6; break;
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case T_FLOAT : i = 7; break;
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case T_DOUBLE : i = 8; break;
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case T_OBJECT : i = 9; break;
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case T_ARRAY : i = 9; break;
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default : ShouldNotReachHere();
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}
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assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers,
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"index out of bounds");
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return i;
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}
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// Deoptimization helpers
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int AbstractInterpreter::size_activation(int max_stack,
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int tempcount,
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int extra_args,
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int moncount,
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int callee_param_count,
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int callee_locals,
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bool is_top_frame) {
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int header_words = InterpreterFrame::header_words;
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int monitor_words = moncount * frame::interpreter_frame_monitor_size();
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int stack_words = is_top_frame ? max_stack : tempcount;
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int callee_extra_locals = callee_locals - callee_param_count;
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return header_words + monitor_words + stack_words + callee_extra_locals;
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}
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void AbstractInterpreter::layout_activation(Method* method,
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int tempcount,
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int popframe_extra_args,
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int moncount,
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int caller_actual_parameters,
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int callee_param_count,
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int callee_locals,
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frame* caller,
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frame* interpreter_frame,
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bool is_top_frame,
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bool is_bottom_frame) {
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assert(popframe_extra_args == 0, "what to do?");
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assert(!is_top_frame || (!callee_locals && !callee_param_count),
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"top frame should have no caller");
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// This code must exactly match what InterpreterFrame::build
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// does (the full InterpreterFrame::build, that is, not the
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// one that creates empty frames for the deoptimizer).
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//
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// interpreter_frame will be filled in. It's size is determined by
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// a previous call to the size_activation() method,
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//
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// Note that tempcount is the current size of the expression
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// stack. For top most frames we will allocate a full sized
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// expression stack and not the trimmed version that non-top
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// frames have.
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int monitor_words = moncount * frame::interpreter_frame_monitor_size();
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intptr_t *locals = interpreter_frame->fp() + method->max_locals();
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interpreterState istate = interpreter_frame->get_interpreterState();
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intptr_t *monitor_base = (intptr_t*) istate;
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intptr_t *stack_base = monitor_base - monitor_words;
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intptr_t *stack = stack_base - tempcount - 1;
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BytecodeInterpreter::layout_interpreterState(istate,
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caller,
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NULL,
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method,
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locals,
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stack,
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stack_base,
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monitor_base,
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NULL,
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is_top_frame);
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}
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// Helper for (runtime) stack overflow checks
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int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
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return 0;
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}
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