1 /* 2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_HPP 26 #define CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_HPP 27 28 // Platform specific for C++ based Interpreter 29 #define LOTS_OF_REGS /* Lets interpreter use plenty of registers */ 30 31 private: 32 33 // save the bottom of the stack after frame manager setup. For ease of restoration after return 34 // from recursive interpreter call 35 intptr_t* _frame_bottom; /* saved bottom of frame manager frame */ 36 intptr_t* _last_Java_pc; /* pc to return to in frame manager */ 37 interpreterState _self_link; /* Previous interpreter state */ /* sometimes points to self??? */ 38 double _native_fresult; /* save result of native calls that might return floats */ 39 intptr_t _native_lresult; /* save result of native calls that might return handle/longs */ 40 public: 41 42 static void pd_layout_interpreterState(interpreterState istate, address last_Java_pc, intptr_t* last_Java_fp); 43 44 45 #define SET_LAST_JAVA_FRAME() 46 47 #define RESET_LAST_JAVA_FRAME() THREAD->frame_anchor()->set_flags(0); 48 49 /* 50 * Macros for accessing the stack. 51 */ 52 #undef STACK_INT 53 #undef STACK_FLOAT 54 #undef STACK_ADDR 55 #undef STACK_OBJECT 56 #undef STACK_DOUBLE 57 #undef STACK_LONG 58 // JavaStack Implementation 59 60 61 #define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)])) 62 #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)]) 63 #define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)])) 64 #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)])) 65 #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)])) 66 #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)])) 67 #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d) 68 #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l) 69 70 #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value)) 71 #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value)) 72 #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value)) 73 #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value)) 74 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value)) 75 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value)) 76 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \ 77 ((VMJavaVal64*)(addr))->d) 78 #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value)) 79 #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \ 80 ((VMJavaVal64*)(addr))->l) 81 82 #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)]) 83 #define LOCALS_ADDR(offset) ((address)locals[-(offset)]) 84 #define LOCALS_INT(offset) (*((jint*)&locals[-(offset)])) 85 #define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)])) 86 #define LOCALS_OBJECT(offset) ((oop)locals[-(offset)]) 87 #define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d) 88 #define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l) 89 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)])) 90 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)])) 91 92 #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value)) 93 #define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value)) 94 #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value)) 95 #define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value)) 96 #define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value)) 97 #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value)) 98 #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value)) 99 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \ 100 ((VMJavaVal64*)(addr))->d) 101 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \ 102 ((VMJavaVal64*)(addr))->l) 103 104 #endif // CPU_SPARC_VM_BYTECODEINTERPRETER_SPARC_HPP