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comparison src/share/vm/runtime/sharedRuntime.cpp @ 3363:167b70ff3abc

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6939861: JVM should handle more conversion operations Reviewed-by: twisti, jrose
author never
date Fri, 06 May 2011 16:33:13 -0700
parents 2a23b1b5a0a8
children f7d55ea6ee56
comparison
equal deleted inserted replaced
3362:d4c1fbc3de95 3363:167b70ff3abc
86 HS_DTRACE_PROBE_DECL7(hotspot, method__entry, int, 86 HS_DTRACE_PROBE_DECL7(hotspot, method__entry, int,
87 char*, int, char*, int, char*, int); 87 char*, int, char*, int, char*, int);
88 HS_DTRACE_PROBE_DECL7(hotspot, method__return, int, 88 HS_DTRACE_PROBE_DECL7(hotspot, method__return, int,
89 char*, int, char*, int, char*, int); 89 char*, int, char*, int, char*, int);
90 90
91 RicochetBlob* SharedRuntime::_ricochet_blob = NULL;
92
91 // Implementation of SharedRuntime 93 // Implementation of SharedRuntime
92 94
93 #ifndef PRODUCT 95 #ifndef PRODUCT
94 // For statistics 96 // For statistics
95 int SharedRuntime::_ic_miss_ctr = 0; 97 int SharedRuntime::_ic_miss_ctr = 0;
457 return StubRoutines::catch_exception_entry(); 459 return StubRoutines::catch_exception_entry();
458 } 460 }
459 // Interpreted code 461 // Interpreted code
460 if (Interpreter::contains(return_address)) { 462 if (Interpreter::contains(return_address)) {
461 return Interpreter::rethrow_exception_entry(); 463 return Interpreter::rethrow_exception_entry();
464 }
465 // Ricochet frame unwind code
466 if (SharedRuntime::ricochet_blob() != NULL && SharedRuntime::ricochet_blob()->returns_to_bounce_addr(return_address)) {
467 return SharedRuntime::ricochet_blob()->exception_addr();
462 } 468 }
463 469
464 guarantee(blob == NULL || !blob->is_runtime_stub(), "caller should have skipped stub"); 470 guarantee(blob == NULL || !blob->is_runtime_stub(), "caller should have skipped stub");
465 guarantee(!VtableStubs::contains(return_address), "NULL exceptions in vtables should have been handled already!"); 471 guarantee(!VtableStubs::contains(return_address), "NULL exceptions in vtables should have been handled already!");
466 472
1172 RegisterMap reg_map(thread, false); 1178 RegisterMap reg_map(thread, false);
1173 frame stub_frame = thread->last_frame(); 1179 frame stub_frame = thread->last_frame();
1174 assert(stub_frame.is_runtime_frame(), "sanity check"); 1180 assert(stub_frame.is_runtime_frame(), "sanity check");
1175 frame caller_frame = stub_frame.sender(&reg_map); 1181 frame caller_frame = stub_frame.sender(&reg_map);
1176 assert(!caller_frame.is_interpreted_frame() && !caller_frame.is_entry_frame(), "unexpected frame"); 1182 assert(!caller_frame.is_interpreted_frame() && !caller_frame.is_entry_frame(), "unexpected frame");
1183 assert(!caller_frame.is_ricochet_frame(), "unexpected frame");
1177 #endif /* ASSERT */ 1184 #endif /* ASSERT */
1178 1185
1179 methodHandle callee_method; 1186 methodHandle callee_method;
1180 JRT_BLOCK 1187 JRT_BLOCK
1181 callee_method = SharedRuntime::handle_ic_miss_helper(thread, CHECK_NULL); 1188 callee_method = SharedRuntime::handle_ic_miss_helper(thread, CHECK_NULL);
1220 } 1227 }
1221 } 1228 }
1222 1229
1223 if (caller_frame.is_interpreted_frame() || 1230 if (caller_frame.is_interpreted_frame() ||
1224 caller_frame.is_entry_frame() || 1231 caller_frame.is_entry_frame() ||
1232 caller_frame.is_ricochet_frame() ||
1225 is_mh_invoke_via_adapter) { 1233 is_mh_invoke_via_adapter) {
1226 methodOop callee = thread->callee_target(); 1234 methodOop callee = thread->callee_target();
1227 guarantee(callee != NULL && callee->is_method(), "bad handshake"); 1235 guarantee(callee != NULL && callee->is_method(), "bad handshake");
1228 thread->set_vm_result(callee); 1236 thread->set_vm_result(callee);
1229 thread->set_callee_target(NULL); 1237 thread->set_callee_target(NULL);