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src/hotspot/share/prims/jvm.cpp

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   1 /*
   2  * Copyright (c) 1997, 2017, 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  *


 150       last_caller = m;
 151       vfst.next();
 152     }
 153     // if this is called from Class.forName0 and that is called from Class.forName,
 154     // then print the caller of Class.forName.  If this is Class.loadClass, then print
 155     // that caller, otherwise keep quiet since this should be picked up elsewhere.
 156     bool found_it = false;
 157     if (!vfst.at_end() &&
 158         vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class() &&
 159         vfst.method()->name() == vmSymbols::forName0_name()) {
 160       vfst.next();
 161       if (!vfst.at_end() &&
 162           vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class() &&
 163           vfst.method()->name() == vmSymbols::forName_name()) {
 164         vfst.next();
 165         found_it = true;
 166       }
 167     } else if (last_caller != NULL &&
 168                last_caller->method_holder()->name() ==
 169                vmSymbols::java_lang_ClassLoader() &&
 170                (last_caller->name() == vmSymbols::loadClassInternal_name() ||
 171                 last_caller->name() == vmSymbols::loadClass_name())) {
 172       found_it = true;
 173     } else if (!vfst.at_end()) {
 174       if (vfst.method()->is_native()) {
 175         // JNI call
 176         found_it = true;
 177       }
 178     }
 179     if (found_it && !vfst.at_end()) {
 180       // found the caller
 181       caller = vfst.method()->method_holder();
 182       line_number = vfst.method()->line_number_from_bci(vfst.bci());
 183       if (line_number == -1) {
 184         // show method name if it's a native method
 185         trace = vfst.method()->name_and_sig_as_C_string();
 186       }
 187       Symbol* s = caller->source_file_name();
 188       if (s != NULL) {
 189         source_file = s->as_C_string();
 190       }
 191     }


   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  *


 150       last_caller = m;
 151       vfst.next();
 152     }
 153     // if this is called from Class.forName0 and that is called from Class.forName,
 154     // then print the caller of Class.forName.  If this is Class.loadClass, then print
 155     // that caller, otherwise keep quiet since this should be picked up elsewhere.
 156     bool found_it = false;
 157     if (!vfst.at_end() &&
 158         vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class() &&
 159         vfst.method()->name() == vmSymbols::forName0_name()) {
 160       vfst.next();
 161       if (!vfst.at_end() &&
 162           vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class() &&
 163           vfst.method()->name() == vmSymbols::forName_name()) {
 164         vfst.next();
 165         found_it = true;
 166       }
 167     } else if (last_caller != NULL &&
 168                last_caller->method_holder()->name() ==
 169                  vmSymbols::java_lang_ClassLoader() &&
 170                last_caller->name() == vmSymbols::loadClass_name()) {

 171       found_it = true;
 172     } else if (!vfst.at_end()) {
 173       if (vfst.method()->is_native()) {
 174         // JNI call
 175         found_it = true;
 176       }
 177     }
 178     if (found_it && !vfst.at_end()) {
 179       // found the caller
 180       caller = vfst.method()->method_holder();
 181       line_number = vfst.method()->line_number_from_bci(vfst.bci());
 182       if (line_number == -1) {
 183         // show method name if it's a native method
 184         trace = vfst.method()->name_and_sig_as_C_string();
 185       }
 186       Symbol* s = caller->source_file_name();
 187       if (s != NULL) {
 188         source_file = s->as_C_string();
 189       }
 190     }


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