Mercurial > hg > graal-jvmci-8

comparison src/share/vm/oops/cpCache.hpp @ 6822:f6b0eb4e44cf

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path Reviewed-by: jrose, kvn
author twisti
date Mon, 01 Oct 2012 14:50:10 -0700
parents 4bfe8b33cf66
children 64672b22ef05
comparison
equal deleted inserted replaced
6811:1b582b1bf7cb 6822:f6b0eb4e44cf
40 // bit length |-8--|-8--|---16----| 40 // bit length |-8--|-8--|---16----|
41 // -------------------------------- 41 // --------------------------------
42 // _indices [ b2 | b1 | index ] index = constant_pool_index 42 // _indices [ b2 | b1 | index ] index = constant_pool_index
43 // _f1 [ entry specific ] metadata ptr (method or klass) 43 // _f1 [ entry specific ] metadata ptr (method or klass)
44 // _f2 [ entry specific ] vtable or res_ref index, or vfinal method ptr 44 // _f2 [ entry specific ] vtable or res_ref index, or vfinal method ptr
45 // _flags [tos|0|F=1|0|0|f|v|0 |00000|field_index] (for field entries) 45 // _flags [tos|0|F=1|0|0|0|f|v|0 |0000|field_index] (for field entries)
46 // bit length [ 4 |1| 1 |1|1|1|1|1 |--5--|----16-----] 46 // bit length [ 4 |1| 1 |1|1|1|1|1|1 |-4--|----16-----]
47 // _flags [tos|0|F=0|A|I|f|0|vf|00000|00000|psize] (for method entries) 47 // _flags [tos|0|F=0|M|A|I|f|0|vf|0000|00000|psize] (for method entries)
48 // bit length [ 4 |1| 1 |1|1|1|1|1 |--5--|--8--|--8--] 48 // bit length [ 4 |1| 1 |1|1|1|1|1|1 |-4--|--8--|--8--]
49 49
50 // -------------------------------- 50 // --------------------------------
51 // 51 //
52 // with: 52 // with:
53 // index = original constant pool index 53 // index = original constant pool index
164 tos_state_bits = 4, 164 tos_state_bits = 4,
165 tos_state_mask = right_n_bits(tos_state_bits), 165 tos_state_mask = right_n_bits(tos_state_bits),
166 tos_state_shift = BitsPerInt - tos_state_bits, // see verify_tos_state_shift below 166 tos_state_shift = BitsPerInt - tos_state_bits, // see verify_tos_state_shift below
167 // misc. option bits; can be any bit position in [16..27] 167 // misc. option bits; can be any bit position in [16..27]
168 is_field_entry_shift = 26, // (F) is it a field or a method? 168 is_field_entry_shift = 26, // (F) is it a field or a method?
169 has_appendix_shift = 25, // (A) does the call site have an appendix argument? 169 has_method_type_shift = 25, // (M) does the call site have a MethodType?
170 is_forced_virtual_shift = 24, // (I) is the interface reference forced to virtual mode? 170 has_appendix_shift = 24, // (A) does the call site have an appendix argument?
171 is_final_shift = 23, // (f) is the field or method final? 171 is_forced_virtual_shift = 23, // (I) is the interface reference forced to virtual mode?
172 is_volatile_shift = 22, // (v) is the field volatile? 172 is_final_shift = 22, // (f) is the field or method final?
173 is_vfinal_shift = 21, // (vf) did the call resolve to a final method? 173 is_volatile_shift = 21, // (v) is the field volatile?
174 is_vfinal_shift = 20, // (vf) did the call resolve to a final method?
174 // low order bits give field index (for FieldInfo) or method parameter size: 175 // low order bits give field index (for FieldInfo) or method parameter size:
175 field_index_bits = 16, 176 field_index_bits = 16,
176 field_index_mask = right_n_bits(field_index_bits), 177 field_index_mask = right_n_bits(field_index_bits),
177 parameter_size_bits = 8, // subset of field_index_mask, range is 0..255 178 parameter_size_bits = 8, // subset of field_index_mask, range is 0..255
178 parameter_size_mask = right_n_bits(parameter_size_bits), 179 parameter_size_mask = right_n_bits(parameter_size_bits),
221 ); 222 );
222 223
223 void set_method_handle( 224 void set_method_handle(
224 constantPoolHandle cpool, // holding constant pool (required for locking) 225 constantPoolHandle cpool, // holding constant pool (required for locking)
225 methodHandle method, // adapter for invokeExact, etc. 226 methodHandle method, // adapter for invokeExact, etc.
226 Handle appendix, // stored in refs[f2]; could be a java.lang.invoke.MethodType 227 Handle appendix, // stored in refs[f2+0]; could be a java.lang.invoke.MethodType
228 Handle method_type, // stored in refs[f2+1]; is a java.lang.invoke.MethodType
227 objArrayHandle resolved_references 229 objArrayHandle resolved_references
228 ); 230 );
229 231
230 void set_dynamic_call( 232 void set_dynamic_call(
231 constantPoolHandle cpool, // holding constant pool (required for locking) 233 constantPoolHandle cpool, // holding constant pool (required for locking)
232 methodHandle method, // adapter for this call site 234 methodHandle method, // adapter for this call site
233 Handle appendix, // stored in refs[f2]; could be a java.lang.invoke.CallSite 235 Handle appendix, // stored in refs[f2+0]; could be a java.lang.invoke.CallSite
236 Handle method_type, // stored in refs[f2+1]; is a java.lang.invoke.MethodType
234 objArrayHandle resolved_references 237 objArrayHandle resolved_references
235 ); 238 );
236 239
237 // Common code for invokedynamic and MH invocations. 240 // Common code for invokedynamic and MH invocations.
238 241
251 // number and types of arguments. 254 // number and types of arguments.
252 void set_method_handle_common( 255 void set_method_handle_common(
253 constantPoolHandle cpool, // holding constant pool (required for locking) 256 constantPoolHandle cpool, // holding constant pool (required for locking)
254 Bytecodes::Code invoke_code, // _invokehandle or _invokedynamic 257 Bytecodes::Code invoke_code, // _invokehandle or _invokedynamic
255 methodHandle adapter, // invoker method (f1) 258 methodHandle adapter, // invoker method (f1)
256 Handle appendix, // appendix such as CallSite, MethodType, etc. (refs[f2]) 259 Handle appendix, // appendix such as CallSite, MethodType, etc. (refs[f2+0])
260 Handle method_type, // MethodType (refs[f2+1])
257 objArrayHandle resolved_references 261 objArrayHandle resolved_references
258 ); 262 );
259 263
260 Method* method_if_resolved(constantPoolHandle cpool); 264 // invokedynamic and invokehandle call sites have two entries in the
261 oop appendix_if_resolved(constantPoolHandle cpool); 265 // resolved references array:
266 // appendix (at index+0)
267 // MethodType (at index+1)
268 enum {
269 _indy_resolved_references_appendix_offset = 0,
270 _indy_resolved_references_method_type_offset = 1,
271 _indy_resolved_references_entries
272 };
273
274 Method* method_if_resolved(constantPoolHandle cpool);
275 oop appendix_if_resolved(constantPoolHandle cpool);
276 oop method_type_if_resolved(constantPoolHandle cpool);
262 277
263 void set_parameter_size(int value); 278 void set_parameter_size(int value);
264 279
265 // Which bytecode number (1 or 2) in the index field is valid for this bytecode? 280 // Which bytecode number (1 or 2) in the index field is valid for this bytecode?
266 // Returns -1 if neither is valid. 281 // Returns -1 if neither is valid.
268 switch (code) { 283 switch (code) {
269 case Bytecodes::_getstatic : // fall through 284 case Bytecodes::_getstatic : // fall through
270 case Bytecodes::_getfield : // fall through 285 case Bytecodes::_getfield : // fall through
271 case Bytecodes::_invokespecial : // fall through 286 case Bytecodes::_invokespecial : // fall through
272 case Bytecodes::_invokestatic : // fall through 287 case Bytecodes::_invokestatic : // fall through
288 case Bytecodes::_invokehandle : // fall through
289 case Bytecodes::_invokedynamic : // fall through
273 case Bytecodes::_invokeinterface : return 1; 290 case Bytecodes::_invokeinterface : return 1;
274 case Bytecodes::_putstatic : // fall through 291 case Bytecodes::_putstatic : // fall through
275 case Bytecodes::_putfield : // fall through 292 case Bytecodes::_putfield : // fall through
276 case Bytecodes::_invokehandle : // fall through
277 case Bytecodes::_invokedynamic : // fall through
278 case Bytecodes::_invokevirtual : return 2; 293 case Bytecodes::_invokevirtual : return 2;
279 default : break; 294 default : break;
280 } 295 }
281 return -1; 296 return -1;
282 } 297 }
305 bool is_volatile() const { return (_flags & (1 << is_volatile_shift)) != 0; } 320 bool is_volatile() const { return (_flags & (1 << is_volatile_shift)) != 0; }
306 bool is_final() const { return (_flags & (1 << is_final_shift)) != 0; } 321 bool is_final() const { return (_flags & (1 << is_final_shift)) != 0; }
307 bool is_forced_virtual() const { return (_flags & (1 << is_forced_virtual_shift)) != 0; } 322 bool is_forced_virtual() const { return (_flags & (1 << is_forced_virtual_shift)) != 0; }
308 bool is_vfinal() const { return (_flags & (1 << is_vfinal_shift)) != 0; } 323 bool is_vfinal() const { return (_flags & (1 << is_vfinal_shift)) != 0; }
309 bool has_appendix() const { return (_flags & (1 << has_appendix_shift)) != 0; } 324 bool has_appendix() const { return (_flags & (1 << has_appendix_shift)) != 0; }
325 bool has_method_type() const { return (_flags & (1 << has_method_type_shift)) != 0; }
310 bool is_method_entry() const { return (_flags & (1 << is_field_entry_shift)) == 0; } 326 bool is_method_entry() const { return (_flags & (1 << is_field_entry_shift)) == 0; }
311 bool is_field_entry() const { return (_flags & (1 << is_field_entry_shift)) != 0; } 327 bool is_field_entry() const { return (_flags & (1 << is_field_entry_shift)) != 0; }
312 bool is_byte() const { return flag_state() == btos; } 328 bool is_byte() const { return flag_state() == btos; }
313 bool is_char() const { return flag_state() == ctos; } 329 bool is_char() const { return flag_state() == ctos; }
314 bool is_short() const { return flag_state() == stos; } 330 bool is_short() const { return flag_state() == stos; }