1 /*
2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007, 2008 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 // Platform specific for C++ based Interpreter
27
28 #if defined(PPC) || defined(SPARC) || defined(IA64)
29 #define LOTS_OF_REGS // Use plenty of registers
30 #else
31 #undef LOTS_OF_REGS // Loser platforms
32 #endif
33
34 private:
35 interpreterState _self_link;
36
37 public:
38 inline void set_locals(intptr_t* new_locals) {
39 _locals = new_locals;
40 }
41 inline void set_method(methodOop new_method) {
42 _method = new_method;
43 }
44 inline interpreterState self_link() {
45 return _self_link;
46 }
47 inline void set_self_link(interpreterState new_self_link) {
48 _self_link = new_self_link;
49 }
50 inline interpreterState prev_link() {
51 return _prev_link;
52 }
53 inline void set_prev_link(interpreterState new_prev_link) {
54 _prev_link = new_prev_link;
55 }
56 inline void set_stack_limit(intptr_t* new_stack_limit) {
57 _stack_limit = new_stack_limit;
58 }
59 inline void set_stack_base(intptr_t* new_stack_base) {
60 _stack_base = new_stack_base;
61 }
62 inline void set_monitor_base(BasicObjectLock *new_monitor_base) {
63 _monitor_base = new_monitor_base;
64 }
65 inline void set_thread(JavaThread* new_thread) {
66 _thread = new_thread;
67 }
68 inline void set_constants(constantPoolCacheOop new_constants) {
69 _constants = new_constants;
70 }
71 inline oop oop_temp() {
72 return _oop_temp;
73 }
74 inline oop *oop_temp_addr() {
75 return &_oop_temp;
76 }
77 inline void set_oop_temp(oop new_oop_temp) {
78 _oop_temp = new_oop_temp;
79 }
80 inline address callee_entry_point() {
81 return _result._to_call._callee_entry_point;
82 }
83 inline address osr_buf() {
84 return _result._osr._osr_buf;
85 }
86 inline address osr_entry() {
87 return _result._osr._osr_entry;
88 }
89
90 public:
91 const char *name_of_field_at_address(address addr);
92
93 // The frame manager handles this
94 #define SET_LAST_JAVA_FRAME()
95 #define RESET_LAST_JAVA_FRAME()
96
97 // ZeroStack Implementation
98
99 #undef STACK_INT
100 #undef STACK_FLOAT
101 #undef STACK_ADDR
102 #undef STACK_OBJECT
103 #undef STACK_DOUBLE
104 #undef STACK_LONG
105
106 #define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)]))
107 #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
108 #define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)]))
109 #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
110 #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
111 #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
112 #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
113 #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
114
115 #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
116 #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
117 #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
118 #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
119 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
120 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
121 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
122 ((VMJavaVal64*)(addr))->d)
123 #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
124 #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
125 ((VMJavaVal64*)(addr))->l)
126 // JavaLocals implementation
127
128 #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
129 #define LOCALS_ADDR(offset) ((address)locals[-(offset)])
130 #define LOCALS_INT(offset) (*((jint*)&locals[-(offset)]))
131 #define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)]))
132 #define LOCALS_OBJECT(offset) ((oop)locals[-(offset)])
133 #define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d)
134 #define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l)
135 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
136 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
137
138 #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
139 #define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value))
140 #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
141 #define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value))
142 #define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value))
143 #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
144 #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
145 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
146 ((VMJavaVal64*)(addr))->d)
147 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \
148 ((VMJavaVal64*)(addr))->l)