99
100 // Set last_sp
101 intptr_t* esp = (intptr_t*) monbot -
102 tempcount*Interpreter::stackElementWords -
103 popframe_extra_args;
104 interpreter_frame->interpreter_frame_set_last_sp(esp);
105
106 // All frames but the initial (oldest) interpreter frame we fill in have
107 // a value for sender_sp that allows walking the stack but isn't
108 // truly correct. Correct the value here.
109 if (extra_locals != 0 &&
110 interpreter_frame->sender_sp() ==
111 interpreter_frame->interpreter_frame_sender_sp()) {
112 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() +
113 extra_locals);
114 }
115 *interpreter_frame->interpreter_frame_cache_addr() =
116 method->constants()->cache();
117 }
118
119 #endif // CC_INTERP
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99
100 // Set last_sp
101 intptr_t* esp = (intptr_t*) monbot -
102 tempcount*Interpreter::stackElementWords -
103 popframe_extra_args;
104 interpreter_frame->interpreter_frame_set_last_sp(esp);
105
106 // All frames but the initial (oldest) interpreter frame we fill in have
107 // a value for sender_sp that allows walking the stack but isn't
108 // truly correct. Correct the value here.
109 if (extra_locals != 0 &&
110 interpreter_frame->sender_sp() ==
111 interpreter_frame->interpreter_frame_sender_sp()) {
112 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() +
113 extra_locals);
114 }
115 *interpreter_frame->interpreter_frame_cache_addr() =
116 method->constants()->cache();
117 }
118
119 #ifndef _LP64
120 int AbstractInterpreter::BasicType_as_index(BasicType type) {
121 int i = 0;
122 switch (type) {
123 case T_BOOLEAN: i = 0; break;
124 case T_CHAR : i = 1; break;
125 case T_BYTE : i = 2; break;
126 case T_SHORT : i = 3; break;
127 case T_INT : // fall through
128 case T_LONG : // fall through
129 case T_VOID : i = 4; break;
130 case T_FLOAT : i = 5; break; // have to treat float and double separately for SSE
131 case T_DOUBLE : i = 6; break;
132 case T_OBJECT : // fall through
133 case T_ARRAY : i = 7; break;
134 default : ShouldNotReachHere();
135 }
136 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, "index out of bounds");
137 return i;
138 }
139 #else
140 int AbstractInterpreter::BasicType_as_index(BasicType type) {
141 int i = 0;
142 switch (type) {
143 case T_BOOLEAN: i = 0; break;
144 case T_CHAR : i = 1; break;
145 case T_BYTE : i = 2; break;
146 case T_SHORT : i = 3; break;
147 case T_INT : i = 4; break;
148 case T_LONG : i = 5; break;
149 case T_VOID : i = 6; break;
150 case T_FLOAT : i = 7; break;
151 case T_DOUBLE : i = 8; break;
152 case T_OBJECT : i = 9; break;
153 case T_ARRAY : i = 9; break;
154 default : ShouldNotReachHere();
155 }
156 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers,
157 "index out of bounds");
158 return i;
159 }
160 #endif // _LP64
161
162 // These should never be compiled since the interpreter will prefer
163 // the compiled version to the intrinsic version.
164 bool AbstractInterpreter::can_be_compiled(methodHandle m) {
165 switch (method_kind(m)) {
166 case Interpreter::java_lang_math_sin : // fall thru
167 case Interpreter::java_lang_math_cos : // fall thru
168 case Interpreter::java_lang_math_tan : // fall thru
169 case Interpreter::java_lang_math_abs : // fall thru
170 case Interpreter::java_lang_math_log : // fall thru
171 case Interpreter::java_lang_math_log10 : // fall thru
172 case Interpreter::java_lang_math_sqrt : // fall thru
173 case Interpreter::java_lang_math_pow : // fall thru
174 case Interpreter::java_lang_math_exp :
175 return false;
176 default:
177 return true;
178 }
179 }
180
181 // How much stack a method activation needs in words.
182 int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
183 const int entry_size = frame::interpreter_frame_monitor_size();
184
185 // total overhead size: entry_size + (saved rbp thru expr stack
186 // bottom). be sure to change this if you add/subtract anything
187 // to/from the overhead area
188 const int overhead_size =
189 -(frame::interpreter_frame_initial_sp_offset) + entry_size;
190
191 #ifndef _LP64
192 const int stub_code = 4; // see generate_call_stub
193 #else
194 const int stub_code = frame::entry_frame_after_call_words;
195 #endif
196
197 const int method_stack = (method->max_locals() + method->max_stack()) *
198 Interpreter::stackElementWords;
199 return (overhead_size + method_stack + stub_code);
200 }
201
202 #endif // CC_INTERP
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