Mercurial > hg > truffle

comparison src/share/vm/interpreter/bytecodeInterpreter.cpp @ 6926:a3e2f723f2a5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8000780: make Zero build and run with JDK8 Reviewed-by: coleenp, dholmes, twisti Contributed-by: Roman Kennke <rkennke@redhat.com>
author twisti
date Mon, 29 Oct 2012 11:08:48 -0700
parents d8ce2825b193
children 070d523b96a7
comparison
equal deleted inserted replaced
6915:a516debe2cee 6926:a3e2f723f2a5
233 continue; \ 233 continue; \
234 } 234 }
235 #endif 235 #endif
236 #endif 236 #endif
237 237
238 // JavaStack Implementation
239 #define MORE_STACK(count) \
240 (topOfStack -= ((count) * Interpreter::stackElementWords))
241
242 238
243 #define UPDATE_PC(opsize) {pc += opsize; } 239 #define UPDATE_PC(opsize) {pc += opsize; }
244 /* 240 /*
245 * UPDATE_PC_AND_TOS - Macro for updating the pc and topOfStack. 241 * UPDATE_PC_AND_TOS - Macro for updating the pc and topOfStack.
246 */ 242 */
573 /* 0xD8 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default, 569 /* 0xD8 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
574 /* 0xDC */ &&opc_default, &&opc_default, &&opc_default, &&opc_default, 570 /* 0xDC */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
575 571
576 /* 0xE0 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default, 572 /* 0xE0 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
577 /* 0xE4 */ &&opc_default, &&opc_fast_aldc, &&opc_fast_aldc_w, &&opc_return_register_finalizer, 573 /* 0xE4 */ &&opc_default, &&opc_fast_aldc, &&opc_fast_aldc_w, &&opc_return_register_finalizer,
578 /* 0xE8 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default, 574 /* 0xE8 */ &&opc_invokehandle,&&opc_default, &&opc_default, &&opc_default,
579 /* 0xEC */ &&opc_default, &&opc_default, &&opc_default, &&opc_default, 575 /* 0xEC */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
580 576
581 /* 0xF0 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default, 577 /* 0xF0 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
582 /* 0xF4 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default, 578 /* 0xF4 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
583 /* 0xF8 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default, 579 /* 0xF8 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
1771 } 1767 }
1772 #endif /* VM_JVMTI */ 1768 #endif /* VM_JVMTI */
1773 1769
1774 oop obj; 1770 oop obj;
1775 if ((Bytecodes::Code)opcode == Bytecodes::_getstatic) { 1771 if ((Bytecodes::Code)opcode == Bytecodes::_getstatic) {
1776 Klass* k = (Klass*) cache->f1(); 1772 Klass* k = cache->f1_as_klass();
1777 obj = k->java_mirror(); 1773 obj = k->java_mirror();
1778 MORE_STACK(1); // Assume single slot push 1774 MORE_STACK(1); // Assume single slot push
1779 } else { 1775 } else {
1780 obj = (oop) STACK_OBJECT(-1); 1776 obj = (oop) STACK_OBJECT(-1);
1781 CHECK_NULL(obj); 1777 CHECK_NULL(obj);
1883 count = -1; 1879 count = -1;
1884 if (tos_type == ltos || tos_type == dtos) { 1880 if (tos_type == ltos || tos_type == dtos) {
1885 --count; 1881 --count;
1886 } 1882 }
1887 if ((Bytecodes::Code)opcode == Bytecodes::_putstatic) { 1883 if ((Bytecodes::Code)opcode == Bytecodes::_putstatic) {
1888 Klass* k = (Klass*) cache->f1(); 1884 Klass* k = cache->f1_as_klass();
1889 obj = k->java_mirror(); 1885 obj = k->java_mirror();
1890 } else { 1886 } else {
1891 --count; 1887 --count;
1892 obj = (oop) STACK_OBJECT(count); 1888 obj = (oop) STACK_OBJECT(count);
1893 CHECK_NULL(obj); 1889 CHECK_NULL(obj);
2188 SET_STACK_OBJECT(result, 0); 2184 SET_STACK_OBJECT(result, 0);
2189 UPDATE_PC_AND_TOS_AND_CONTINUE(incr, 1); 2185 UPDATE_PC_AND_TOS_AND_CONTINUE(incr, 1);
2190 } 2186 }
2191 2187
2192 CASE(_invokedynamic): { 2188 CASE(_invokedynamic): {
2189
2193 if (!EnableInvokeDynamic) { 2190 if (!EnableInvokeDynamic) {
2194 // We should not encounter this bytecode if !EnableInvokeDynamic. 2191 // We should not encounter this bytecode if !EnableInvokeDynamic.
2195 // The verifier will stop it. However, if we get past the verifier, 2192 // The verifier will stop it. However, if we get past the verifier,
2196 // this will stop the thread in a reasonable way, without crashing the JVM. 2193 // this will stop the thread in a reasonable way, without crashing the JVM.
2197 CALL_VM(InterpreterRuntime::throw_IncompatibleClassChangeError(THREAD), 2194 CALL_VM(InterpreterRuntime::throw_IncompatibleClassChangeError(THREAD),
2198 handle_exception); 2195 handle_exception);
2199 ShouldNotReachHere(); 2196 ShouldNotReachHere();
2200 } 2197 }
2201 2198
2202 int index = Bytes::get_native_u4(pc+1); 2199 u4 index = Bytes::get_native_u4(pc+1);
2200 ConstantPoolCacheEntry* cache = cp->constant_pool()->invokedynamic_cp_cache_entry_at(index);
2203 2201
2204 // We are resolved if the resolved_references field contains a non-null object (CallSite, etc.) 2202 // We are resolved if the resolved_references field contains a non-null object (CallSite, etc.)
2205 // This kind of CP cache entry does not need to match the flags byte, because 2203 // This kind of CP cache entry does not need to match the flags byte, because
2206 // there is a 1-1 relation between bytecode type and CP entry type. 2204 // there is a 1-1 relation between bytecode type and CP entry type.
2207 ConstantPool* constants = METHOD->constants(); 2205 if (! cache->is_resolved((Bytecodes::Code) opcode)) {
2208 oop result = constants->resolved_references()->obj_at(index);
2209 if (result == NULL) {
2210 CALL_VM(InterpreterRuntime::resolve_invokedynamic(THREAD), 2206 CALL_VM(InterpreterRuntime::resolve_invokedynamic(THREAD),
2211 handle_exception); 2207 handle_exception);
2212 result = THREAD->vm_result(); 2208 cache = cp->constant_pool()->invokedynamic_cp_cache_entry_at(index);
2213 } 2209 }
2214 2210
2215 VERIFY_OOP(result); 2211 Method* method = cache->f1_as_method();
2216 oop method_handle = java_lang_invoke_CallSite::target(result); 2212 VERIFY_OOP(method);
2217 CHECK_NULL(method_handle); 2213
2218 2214 if (cache->has_appendix()) {
2219 istate->set_msg(call_method_handle); 2215 ConstantPool* constants = METHOD->constants();
2220 istate->set_callee((Method*) method_handle); 2216 SET_STACK_OBJECT(cache->appendix_if_resolved(constants), 0);
2217 MORE_STACK(1);
2218 }
2219
2220 istate->set_msg(call_method);
2221 istate->set_callee(method);
2222 istate->set_callee_entry_point(method->from_interpreted_entry());
2221 istate->set_bcp_advance(5); 2223 istate->set_bcp_advance(5);
2224
2225 UPDATE_PC_AND_RETURN(0); // I'll be back...
2226 }
2227
2228 CASE(_invokehandle): {
2229
2230 if (!EnableInvokeDynamic) {
2231 ShouldNotReachHere();
2232 }
2233
2234 u2 index = Bytes::get_native_u2(pc+1);
2235 ConstantPoolCacheEntry* cache = cp->entry_at(index);
2236
2237 if (! cache->is_resolved((Bytecodes::Code) opcode)) {
2238 CALL_VM(InterpreterRuntime::resolve_invokehandle(THREAD),
2239 handle_exception);
2240 cache = cp->entry_at(index);
2241 }
2242
2243 Method* method = cache->f1_as_method();
2244
2245 VERIFY_OOP(method);
2246
2247 if (cache->has_appendix()) {
2248 ConstantPool* constants = METHOD->constants();
2249 SET_STACK_OBJECT(cache->appendix_if_resolved(constants), 0);
2250 MORE_STACK(1);
2251 }
2252
2253 istate->set_msg(call_method);
2254 istate->set_callee(method);
2255 istate->set_callee_entry_point(method->from_interpreted_entry());
2256 istate->set_bcp_advance(3);
2222 2257
2223 UPDATE_PC_AND_RETURN(0); // I'll be back... 2258 UPDATE_PC_AND_RETURN(0); // I'll be back...
2224 } 2259 }
2225 2260
2226 CASE(_invokeinterface): { 2261 CASE(_invokeinterface): {