1 /*
2 * Copyright (c) 2002, 2010, 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 #ifndef CPU_ZERO_VM_BYTECODEINTERPRETER_ZERO_HPP
27 #define CPU_ZERO_VM_BYTECODEINTERPRETER_ZERO_HPP
28
29 // Platform specific for C++ based Interpreter
30
31 #if defined(PPC) || defined(SPARC) || defined(IA64)
32 #define LOTS_OF_REGS // Use plenty of registers
33 #else
34 #undef LOTS_OF_REGS // Loser platforms
35 #endif
36
37 private:
38 interpreterState _self_link;
39
40 public:
41 inline void set_locals(intptr_t* new_locals) {
42 _locals = new_locals;
43 }
44 inline void set_method(methodOop new_method) {
45 _method = new_method;
46 }
47 inline interpreterState self_link() {
48 return _self_link;
49 }
50 inline void set_self_link(interpreterState new_self_link) {
51 _self_link = new_self_link;
52 }
53 inline interpreterState prev_link() {
54 return _prev_link;
55 }
56 inline void set_prev_link(interpreterState new_prev_link) {
57 _prev_link = new_prev_link;
58 }
59 inline void set_stack_limit(intptr_t* new_stack_limit) {
60 _stack_limit = new_stack_limit;
61 }
62 inline void set_stack_base(intptr_t* new_stack_base) {
63 _stack_base = new_stack_base;
64 }
65 inline void set_monitor_base(BasicObjectLock *new_monitor_base) {
66 _monitor_base = new_monitor_base;
67 }
68 inline void set_thread(JavaThread* new_thread) {
69 _thread = new_thread;
70 }
71 inline void set_constants(constantPoolCacheOop new_constants) {
72 _constants = new_constants;
73 }
74 inline oop oop_temp() {
75 return _oop_temp;
76 }
77 inline oop *oop_temp_addr() {
78 return &_oop_temp;
79 }
80 inline void set_oop_temp(oop new_oop_temp) {
81 _oop_temp = new_oop_temp;
82 }
83 inline address callee_entry_point() {
84 return _result._to_call._callee_entry_point;
85 }
86 inline address osr_buf() {
87 return _result._osr._osr_buf;
88 }
89 inline address osr_entry() {
90 return _result._osr._osr_entry;
91 }
92
93 public:
94 const char *name_of_field_at_address(address addr);
95
96 // The frame manager handles this
97 #define SET_LAST_JAVA_FRAME()
98 #define RESET_LAST_JAVA_FRAME()
99
100 // ZeroStack Implementation
101
102 #undef STACK_INT
103 #undef STACK_FLOAT
104 #undef STACK_ADDR
105 #undef STACK_OBJECT
106 #undef STACK_DOUBLE
107 #undef STACK_LONG
108
109 #define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)]))
110 #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
111 #define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)]))
112 #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
113 #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
114 #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
115 #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
116 #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
117
118 #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
119 #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
120 #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
121 #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
122 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
123 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
124 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
125 ((VMJavaVal64*)(addr))->d)
126 #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
127 #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
128 ((VMJavaVal64*)(addr))->l)
129 // JavaLocals implementation
130
131 #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
132 #define LOCALS_ADDR(offset) ((address)locals[-(offset)])
133 #define LOCALS_INT(offset) (*((jint*)&locals[-(offset)]))
134 #define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)]))
135 #define LOCALS_OBJECT(offset) ((oop)locals[-(offset)])
136 #define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d)
137 #define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l)
138 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
139 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
140
141 #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
142 #define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value))
143 #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
144 #define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value))
145 #define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value))
146 #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
147 #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
148 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
149 ((VMJavaVal64*)(addr))->d)
150 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \
151 ((VMJavaVal64*)(addr))->l)
152
153 #endif // CPU_ZERO_VM_BYTECODEINTERPRETER_ZERO_HPP