1 /*
2 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007, 2008, 2011 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_BYTECODEINTERPRETER_ZERO_HPP
27 #define CPU_ZERO_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(Method* new_method) {
45 _method = new_method;
46 }
47 inline void set_mirror(oop new_mirror) {
48 _mirror = new_mirror;
49 }
50 inline interpreterState self_link() {
51 return _self_link;
52 }
53 inline void set_self_link(interpreterState new_self_link) {
54 _self_link = new_self_link;
55 }
56 inline interpreterState prev_link() {
57 return _prev_link;
58 }
59 inline void set_prev_link(interpreterState new_prev_link) {
60 _prev_link = new_prev_link;
61 }
62 inline void set_stack_limit(intptr_t* new_stack_limit) {
63 _stack_limit = new_stack_limit;
64 }
65 inline void set_stack_base(intptr_t* new_stack_base) {
66 _stack_base = new_stack_base;
67 }
68 inline void set_monitor_base(BasicObjectLock *new_monitor_base) {
69 _monitor_base = new_monitor_base;
70 }
71 inline void set_thread(JavaThread* new_thread) {
72 _thread = new_thread;
73 }
74 inline void set_constants(ConstantPoolCache* new_constants) {
75 _constants = new_constants;
76 }
77 inline oop oop_temp() {
78 return _oop_temp;
79 }
80 inline oop *oop_temp_addr() {
81 return &_oop_temp;
82 }
83 inline void set_oop_temp(oop new_oop_temp) {
84 _oop_temp = new_oop_temp;
85 }
86 inline address callee_entry_point() {
87 return _result._to_call._callee_entry_point;
88 }
89 inline address osr_buf() {
90 return _result._osr._osr_buf;
91 }
92 inline address osr_entry() {
93 return _result._osr._osr_entry;
94 }
95
96 public:
97 const char *name_of_field_at_address(address addr);
98
99 // The frame manager handles this
100 #define SET_LAST_JAVA_FRAME()
101 #define RESET_LAST_JAVA_FRAME()
102
103 // ZeroStack Implementation
104
105 #undef STACK_INT
106 #undef STACK_FLOAT
107 #undef STACK_ADDR
108 #undef STACK_OBJECT
109 #undef STACK_DOUBLE
110 #undef STACK_LONG
111
112 #define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)]))
113 #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
114 #define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)]))
115 #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
116 #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
117 #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
118 #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
119 #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
120
121 #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
122 #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
123 #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
124 #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
125 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
126 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
127 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
128 ((VMJavaVal64*)(addr))->d)
129 #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
130 #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
131 ((VMJavaVal64*)(addr))->l)
132 // JavaLocals implementation
133
134 #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
135 #define LOCALS_ADDR(offset) ((address)locals[-(offset)])
136 #define LOCALS_INT(offset) (*((jint*)&locals[-(offset)]))
137 #define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)]))
138 #define LOCALS_OBJECT(offset) (cast_to_oop(locals[-(offset)]))
139 #define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d)
140 #define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l)
141 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
142 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
143
144 #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
145 #define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value))
146 #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
147 #define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value))
148 #define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value))
149 #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
150 #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
151 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
152 ((VMJavaVal64*)(addr))->d)
153 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \
154 ((VMJavaVal64*)(addr))->l)
155
156 // VMSlots implementation
157
158 #define VMSLOTS_SLOT(offset) ((intptr_t*)&vmslots[(offset)])
159 #define VMSLOTS_ADDR(offset) ((address)vmslots[(offset)])
160 #define VMSLOTS_INT(offset) (*((jint*)&vmslots[(offset)]))
161 #define VMSLOTS_FLOAT(offset) (*((jfloat*)&vmslots[(offset)]))
162 #define VMSLOTS_OBJECT(offset) ((oop)vmslots[(offset)])
163 #define VMSLOTS_DOUBLE(offset) (((VMJavaVal64*)&vmslots[(offset) - 1])->d)
164 #define VMSLOTS_LONG(offset) (((VMJavaVal64*)&vmslots[(offset) - 1])->l)
165
166 #define SET_VMSLOTS_SLOT(value, offset) (*(intptr_t*)&vmslots[(offset)] = *(intptr_t *)(value))
167 #define SET_VMSLOTS_ADDR(value, offset) (*((address *)&vmslots[(offset)]) = (value))
168 #define SET_VMSLOTS_INT(value, offset) (*((jint *)&vmslots[(offset)]) = (value))
169 #define SET_VMSLOTS_FLOAT(value, offset) (*((jfloat *)&vmslots[(offset)]) = (value))
170 #define SET_VMSLOTS_OBJECT(value, offset) (*((oop *)&vmslots[(offset)]) = (value))
171 #define SET_VMSLOTS_DOUBLE(value, offset) (((VMJavaVal64*)&vmslots[(offset) - 1])->d = (value))
172 #define SET_VMSLOTS_LONG(value, offset) (((VMJavaVal64*)&vmslots[(offset) - 1])->l = (value))
173
174 #endif // CPU_ZERO_BYTECODEINTERPRETER_ZERO_HPP