1 /* 2 * Copyright 2002-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 // Platform specific for C++ based Interpreter 26 #define LOTS_OF_REGS /* Lets interpreter use plenty of registers */ 27 28 private: 29 30 // save the bottom of the stack after frame manager setup. For ease of restoration after return 31 // from recursive interpreter call 32 intptr_t* _frame_bottom; /* saved bottom of frame manager frame */ 33 intptr_t* _last_Java_pc; /* pc to return to in frame manager */ 34 interpreterState _self_link; /* Previous interpreter state */ /* sometimes points to self??? */ 35 double _native_fresult; /* save result of native calls that might return floats */ 36 intptr_t _native_lresult; /* save result of native calls that might return handle/longs */ 37 public: 38 39 static void pd_layout_interpreterState(interpreterState istate, address last_Java_pc, intptr_t* last_Java_fp); 40 41 42 #define SET_LAST_JAVA_FRAME() 43 44 #define RESET_LAST_JAVA_FRAME() THREAD->frame_anchor()->set_flags(0); 45 46 /* 47 * Macros for accessing the stack. 48 */ 49 #undef STACK_INT 50 #undef STACK_FLOAT 51 #undef STACK_ADDR 52 #undef STACK_OBJECT 53 #undef STACK_DOUBLE 54 #undef STACK_LONG 55 // JavaStack Implementation 56 57 58 #define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)])) 59 #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)]) 60 #define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)])) 61 #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)])) 62 #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)])) 63 #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)])) 64 #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d) 65 #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l) 66 67 #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value)) 68 #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value)) 69 #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value)) 70 #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value)) 71 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value)) 72 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value)) 73 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \ 74 ((VMJavaVal64*)(addr))->d) 75 #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value)) 76 #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \ 77 ((VMJavaVal64*)(addr))->l) 78 79 #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)]) 80 #define LOCALS_ADDR(offset) ((address)locals[-(offset)]) 81 #define LOCALS_INT(offset) (*((jint*)&locals[-(offset)])) 82 #define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)])) 83 #define LOCALS_OBJECT(offset) ((oop)locals[-(offset)]) 84 #define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d) 85 #define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l) 86 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)])) 87 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)])) 88 89 #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value)) 90 #define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value)) 91 #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value)) 92 #define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value)) 93 #define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value)) 94 #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value)) 95 #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value)) 96 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \ 97 ((VMJavaVal64*)(addr))->d) 98 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \ 99 ((VMJavaVal64*)(addr))->l)