vmOperations.cpp

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00001 /* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.35 */
00002 /* Copyright (c) 2006, Sun Microsystems, Inc.
00003 All rights reserved.
00004 
00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 
00006 following conditions are met:
00007 
00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
00009     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 
00010           disclaimer in the documentation and/or other materials provided with the distribution.
00011     * Neither the name of Sun Microsystems nor the names of its contributors may be used to endorse or promote products derived 
00012           from this software without specific prior written permission.
00013 
00014 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT 
00015 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
00016 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
00017 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
00018 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
00019 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
00020 
00021 
00022 */
00023 
00024 # include "incls/_precompiled.incl"
00025 # include "incls/_vmOperations.cpp.incl"
00026 
00027 void VM_Operation::evaluate() {
00028   EventMarker  em("VM operation %s", name());
00029   ResourceMark rm;
00030   doit();
00031 }
00032 
00033 VM_Genesis::VM_Genesis() {}
00034 
00035 void VM_Genesis::doit() {
00036   ErrorHandler::genesis();
00037 }
00038 
00039 void VM_Scavenge::doit() {
00040   // For debugging gc-problems
00041   if (false) { 
00042     ResourceMark rm;
00043     FlagSetting fs(PrintLongFrames, true);
00044     frame f = calling_process()->last_frame();
00045     f.print();
00046   }
00047 
00048   if (PrintStackAtScavenge) {
00049     std->print_cr("*** BEFORE ***");
00050     Processes::print();
00051   }
00052   Universe::scavenge(addr);
00053   if (PrintStackAtScavenge) {
00054     std->print_cr("*** AFTER ***");
00055     Processes::print();
00056     std->print_cr("******");
00057   }
00058 }                       
00059                         
00060 void VM_GarbageCollect::doit() {
00061   *addr = MarkSweep::collect(*addr); 
00062 }
00063 
00064 void VM_DeoptimizeStacks::doit() {
00065   Processes::deoptimize_all();
00066   CompiledCodeOnly = false;
00067 }
00068 
00069 void VM_TerminateProcess::doit() {
00070   VMProcess::terminate(target);
00071   delete calling_process();
00072   set_calling_process(NULL);
00073 }
00074 
00075 # ifdef DELTA_COMPILER
00076 
00077 void VM_OptimizeMethod::doit() {
00078   if (_method->is_blockMethod()) {
00079     //Compiler c(closure, scope);
00080     //return c.compile();  
00081     compiler_warning("can't recompile block yet");
00082     _nm = NULL;
00083     return;
00084   }
00085   Compiler c(&_key, _method);
00086   _nm = c.compile();
00087 }
00088 
00089 void VM_OptimizeRScope::doit() {
00090   Compiler c(_scope);
00091   _nm = c.compile();
00092 }
00093 
00094 void VM_OptimizeBlockMethod::doit() {
00095   Compiler c(closure, scope);
00096   nm = c.compile();
00097 }
00098 
00099 # endif

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