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107 lines
5.2 KiB
C++
107 lines
5.2 KiB
C++
/*
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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_BYTECODEINTERPRETER_PPC_HPP
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#define CPU_PPC_VM_BYTECODEINTERPRETER_PPC_HPP
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// Platform specific for C++ based Interpreter
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#define LOTS_OF_REGS /* Lets interpreter use plenty of registers */
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private:
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// Save the bottom of the stack after frame manager setup. For ease of restoration after return
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// from recursive interpreter call.
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intptr_t* _frame_bottom; // Saved bottom of frame manager frame.
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address _last_Java_pc; // Pc to return to in frame manager.
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intptr_t* _last_Java_fp; // frame pointer
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intptr_t* _last_Java_sp; // stack pointer
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interpreterState _self_link; // Previous interpreter state // sometimes points to self???
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double _native_fresult; // Save result of native calls that might return floats.
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intptr_t _native_lresult; // Save result of native calls that might return handle/longs.
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public:
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address last_Java_pc(void) { return _last_Java_pc; }
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intptr_t* last_Java_fp(void) { return _last_Java_fp; }
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static ByteSize native_lresult_offset() {
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return byte_offset_of(BytecodeInterpreter, _native_lresult);
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}
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static ByteSize native_fresult_offset() {
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return byte_offset_of(BytecodeInterpreter, _native_fresult);
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}
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static void pd_layout_interpreterState(interpreterState istate, address last_Java_pc, intptr_t* last_Java_fp);
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#define SET_LAST_JAVA_FRAME() THREAD->frame_anchor()->set(istate->_last_Java_sp, istate->_last_Java_pc);
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#define RESET_LAST_JAVA_FRAME() THREAD->frame_anchor()->clear();
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// Macros for accessing the stack.
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#undef STACK_INT
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#undef STACK_FLOAT
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#undef STACK_ADDR
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#undef STACK_OBJECT
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#undef STACK_DOUBLE
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#undef STACK_LONG
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// JavaStack Implementation
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#define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
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#define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
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#define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
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#define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
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#define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
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#define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
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#define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
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#define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
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#define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
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#define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
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#define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
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#define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
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#define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
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((VMJavaVal64*)(addr))->d)
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#define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
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#define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
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((VMJavaVal64*)(addr))->l)
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// JavaLocals implementation
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#define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
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#define LOCALS_ADDR(offset) ((address)locals[-(offset)])
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#define LOCALS_INT(offset) (*(jint*)&(locals[-(offset)]))
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#define LOCALS_OBJECT(offset) (cast_to_oop(locals[-(offset)]))
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#define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
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#define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
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#define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
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#define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
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#define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
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#define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
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#define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
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((VMJavaVal64*)(addr))->d)
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#endif // CPU_PPC_VM_BYTECODEINTERPRETER_PPC_PP
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