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src/share/vm/runtime/sharedRuntime.cpp

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   1 /*
   2  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


1024   HOTSPOT_METHOD_RETURN(
1025       get_java_tid(thread),
1026       (char *) kname->bytes(), kname->utf8_length(),
1027       (char *) name->bytes(), name->utf8_length(),
1028       (char *) sig->bytes(), sig->utf8_length());
1029 #endif /* USDT2 */
1030   return 0;
1031 JRT_END
1032 
1033 
1034 // Finds receiver, CallInfo (i.e. receiver method), and calling bytecode)
1035 // for a call current in progress, i.e., arguments has been pushed on stack
1036 // put callee has not been invoked yet.  Used by: resolve virtual/static,
1037 // vtable updates, etc.  Caller frame must be compiled.
1038 Handle SharedRuntime::find_callee_info(JavaThread* thread, Bytecodes::Code& bc, CallInfo& callinfo, TRAPS) {
1039   ResourceMark rm(THREAD);
1040 
1041   // last java frame on stack (which includes native call frames)
1042   vframeStream vfst(thread, true);  // Do not skip and javaCalls
1043 
1044   return find_callee_info_helper(thread, vfst, bc, callinfo, CHECK_(Handle()));
1045 }
1046 
1047 
1048 // Finds receiver, CallInfo (i.e. receiver method), and calling bytecode
1049 // for a call current in progress, i.e., arguments has been pushed on stack
1050 // but callee has not been invoked yet.  Caller frame must be compiled.
1051 Handle SharedRuntime::find_callee_info_helper(JavaThread* thread,
1052                                               vframeStream& vfst,
1053                                               Bytecodes::Code& bc,
1054                                               CallInfo& callinfo, TRAPS) {
1055   Handle receiver;
1056   Handle nullHandle;  //create a handy null handle for exception returns
1057 
1058   assert(!vfst.at_end(), "Java frame must exist");
1059 
1060   // Find caller and bci from vframe
1061   methodHandle caller(THREAD, vfst.method());
1062   int          bci   = vfst.bci();
1063 
1064   // Find bytecode


   1 /*
   2  * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


1024   HOTSPOT_METHOD_RETURN(
1025       get_java_tid(thread),
1026       (char *) kname->bytes(), kname->utf8_length(),
1027       (char *) name->bytes(), name->utf8_length(),
1028       (char *) sig->bytes(), sig->utf8_length());
1029 #endif /* USDT2 */
1030   return 0;
1031 JRT_END
1032 
1033 
1034 // Finds receiver, CallInfo (i.e. receiver method), and calling bytecode)
1035 // for a call current in progress, i.e., arguments has been pushed on stack
1036 // put callee has not been invoked yet.  Used by: resolve virtual/static,
1037 // vtable updates, etc.  Caller frame must be compiled.
1038 Handle SharedRuntime::find_callee_info(JavaThread* thread, Bytecodes::Code& bc, CallInfo& callinfo, TRAPS) {
1039   ResourceMark rm(THREAD);
1040 
1041   // last java frame on stack (which includes native call frames)
1042   vframeStream vfst(thread, true);  // Do not skip and javaCalls
1043 
1044   return find_callee_info_helper(thread, vfst, bc, callinfo, THREAD);
1045 }
1046 
1047 
1048 // Finds receiver, CallInfo (i.e. receiver method), and calling bytecode
1049 // for a call current in progress, i.e., arguments has been pushed on stack
1050 // but callee has not been invoked yet.  Caller frame must be compiled.
1051 Handle SharedRuntime::find_callee_info_helper(JavaThread* thread,
1052                                               vframeStream& vfst,
1053                                               Bytecodes::Code& bc,
1054                                               CallInfo& callinfo, TRAPS) {
1055   Handle receiver;
1056   Handle nullHandle;  //create a handy null handle for exception returns
1057 
1058   assert(!vfst.at_end(), "Java frame must exist");
1059 
1060   // Find caller and bci from vframe
1061   methodHandle caller(THREAD, vfst.method());
1062   int          bci   = vfst.bci();
1063 
1064   // Find bytecode


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