| /* |
| * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
| * Copyright 2012, 2013 SAP AG. 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. |
| * |
| */ |
| |
| #ifndef CPU_PPC_VM_BYTECODEINTERPRETER_PPC_HPP |
| #define CPU_PPC_VM_BYTECODEINTERPRETER_PPC_HPP |
| |
| // Platform specific for C++ based Interpreter |
| #define LOTS_OF_REGS /* Lets interpreter use plenty of registers */ |
| |
| private: |
| |
| // Save the bottom of the stack after frame manager setup. For ease of restoration after return |
| // from recursive interpreter call. |
| intptr_t* _frame_bottom; // Saved bottom of frame manager frame. |
| address _last_Java_pc; // Pc to return to in frame manager. |
| intptr_t* _last_Java_fp; // frame pointer |
| intptr_t* _last_Java_sp; // stack pointer |
| interpreterState _self_link; // Previous interpreter state // sometimes points to self??? |
| double _native_fresult; // Save result of native calls that might return floats. |
| intptr_t _native_lresult; // Save result of native calls that might return handle/longs. |
| |
| public: |
| address last_Java_pc(void) { return _last_Java_pc; } |
| intptr_t* last_Java_fp(void) { return _last_Java_fp; } |
| |
| static ByteSize native_lresult_offset() { |
| return byte_offset_of(BytecodeInterpreter, _native_lresult); |
| } |
| |
| static ByteSize native_fresult_offset() { |
| return byte_offset_of(BytecodeInterpreter, _native_fresult); |
| } |
| |
| static void pd_layout_interpreterState(interpreterState istate, address last_Java_pc, intptr_t* last_Java_fp); |
| |
| #define SET_LAST_JAVA_FRAME() THREAD->frame_anchor()->set(istate->_last_Java_sp, istate->_last_Java_pc); |
| #define RESET_LAST_JAVA_FRAME() THREAD->frame_anchor()->clear(); |
| |
| |
| // Macros for accessing the stack. |
| #undef STACK_INT |
| #undef STACK_FLOAT |
| #undef STACK_ADDR |
| #undef STACK_OBJECT |
| #undef STACK_DOUBLE |
| #undef STACK_LONG |
| |
| // JavaStack Implementation |
| #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)]) |
| #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)])) |
| #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)])) |
| #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)])) |
| #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d) |
| #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l) |
| |
| #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value)) |
| #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value)) |
| #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value)) |
| #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value)) |
| #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value)) |
| #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value)) |
| #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \ |
| ((VMJavaVal64*)(addr))->d) |
| #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value)) |
| #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \ |
| ((VMJavaVal64*)(addr))->l) |
| // JavaLocals implementation |
| |
| #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)]) |
| #define LOCALS_ADDR(offset) ((address)locals[-(offset)]) |
| #define LOCALS_INT(offset) (*(jint*)&(locals[-(offset)])) |
| #define LOCALS_OBJECT(offset) (cast_to_oop(locals[-(offset)])) |
| #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)])) |
| #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)])) |
| |
| #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value)) |
| #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value)) |
| #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value)) |
| #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value)) |
| #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \ |
| ((VMJavaVal64*)(addr))->d) |
| |
| |
| #endif // CPU_PPC_VM_BYTECODEINTERPRETER_PPC_PP |