src/share/vm/shark/sharkBlock.cpp

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   1 /*
   2  * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2008, 2009, 2010 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "incls/_precompiled.incl"
  27 #include "incls/_sharkBlock.cpp.incl"









  28 
  29 using namespace llvm;
  30 
  31 void SharkBlock::parse_bytecode(int start, int limit) {
  32   SharkValue *a, *b, *c, *d;
  33   int i;
  34 
  35   // Ensure the current state is initialized before we emit any code,
  36   // so that any setup code for the state is at the start of the block
  37   current_state();
  38 
  39   // Parse the bytecodes
  40   iter()->reset_to_bci(start);
  41   while (iter()->next_bci() < limit) {
  42     NOT_PRODUCT(a = b = c = d = NULL);
  43     iter()->next();
  44 
  45     if (SharkTraceBytecodes)
  46       tty->print_cr("%4d: %s", bci(), Bytecodes::name(bc()));
  47 


   1 /*
   2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2008, 2009, 2010 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "interpreter/bytecodes.hpp"
  28 #include "shark/llvmHeaders.hpp"
  29 #include "shark/llvmValue.hpp"
  30 #include "shark/sharkBlock.hpp"
  31 #include "shark/sharkBuilder.hpp"
  32 #include "shark/sharkConstant.hpp"
  33 #include "shark/sharkState.hpp"
  34 #include "shark/sharkValue.hpp"
  35 #include "shark/shark_globals.hpp"
  36 #include "utilities/debug.hpp"
  37 
  38 using namespace llvm;
  39 
  40 void SharkBlock::parse_bytecode(int start, int limit) {
  41   SharkValue *a, *b, *c, *d;
  42   int i;
  43 
  44   // Ensure the current state is initialized before we emit any code,
  45   // so that any setup code for the state is at the start of the block
  46   current_state();
  47 
  48   // Parse the bytecodes
  49   iter()->reset_to_bci(start);
  50   while (iter()->next_bci() < limit) {
  51     NOT_PRODUCT(a = b = c = d = NULL);
  52     iter()->next();
  53 
  54     if (SharkTraceBytecodes)
  55       tty->print_cr("%4d: %s", bci(), Bytecodes::name(bc()));
  56