hotspot/src/share/vm/interpreter/bytecodeTracer.cpp
author twisti
Tue, 05 Jan 2010 15:21:25 +0100
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parent 4429 d7eb4e2099aa
child 5688 9052dc91ea67
child 5547 f4b087cbb361
permissions -rw-r--r--
6893268: additional dynamic language related optimizations in C2 Summary: C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance. Reviewed-by: kvn, never
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/*
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 * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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#include "incls/_precompiled.incl"
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#include "incls/_bytecodeTracer.cpp.incl"
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#ifndef PRODUCT
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// Standard closure for BytecodeTracer: prints the current bytecode
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// and its attributes using bytecode-specific information.
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class BytecodePrinter: public BytecodeClosure {
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 private:
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  // %%% This field is not GC-ed, and so can contain garbage
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  // between critical sections.  Use only pointer-comparison
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  // operations on the pointer, except within a critical section.
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  // (Also, ensure that occasional false positives are benign.)
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  methodOop _current_method;
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  bool      _is_wide;
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  address   _next_pc;                // current decoding position
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  void      align()                  { _next_pc = (address)round_to((intptr_t)_next_pc, sizeof(jint)); }
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  int       get_byte()               { return *(jbyte*) _next_pc++; }  // signed
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  short     get_short()              { short i=Bytes::get_Java_u2(_next_pc); _next_pc+=2; return i; }
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  int       get_int()                { int i=Bytes::get_Java_u4(_next_pc); _next_pc+=4; return i; }
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  int       get_index()              { return *(address)_next_pc++; }
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  int       get_big_index()          { int i=Bytes::get_Java_u2(_next_pc); _next_pc+=2; return i; }
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  int       get_giant_index()        { int i=Bytes::get_native_u4(_next_pc); _next_pc+=4; return i; }
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  int       get_index_special()      { return (is_wide()) ? get_big_index() : get_index(); }
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  methodOop method()                 { return _current_method; }
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  bool      is_wide()                { return _is_wide; }
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  bool      check_index(int i, bool in_cp_cache, int& cp_index, outputStream* st = tty);
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  void      print_constant(int i, outputStream* st = tty);
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  void      print_field_or_method(int i, outputStream* st = tty);
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  void      print_attributes(Bytecodes::Code code, int bci, outputStream* st = tty);
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  void      bytecode_epilog(int bci, outputStream* st = tty);
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 public:
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  BytecodePrinter() {
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    _is_wide = false;
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  }
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  // This method is called while executing the raw bytecodes, so none of
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  // the adjustments that BytecodeStream performs applies.
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  void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) {
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    ResourceMark rm;
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    if (_current_method != method()) {
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      // Note 1: This code will not work as expected with true MT/MP.
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      //         Need an explicit lock or a different solution.
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      // It is possible for this block to be skipped, if a garbage
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      // _current_method pointer happens to have the same bits as
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      // the incoming method.  We could lose a line of trace output.
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      // This is acceptable in a debug-only feature.
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      st->cr();
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      st->print("[%d] ", (int) Thread::current()->osthread()->thread_id());
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      method->print_name(st);
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      st->cr();
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      _current_method = method();
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    }
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    Bytecodes::Code code;
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    if (is_wide()) {
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      // bcp wasn't advanced if previous bytecode was _wide.
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      code = Bytecodes::code_at(bcp+1);
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    } else {
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      code = Bytecodes::code_at(bcp);
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    }
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    int bci = bcp - method->code_base();
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    st->print("[%d] ", (int) Thread::current()->osthread()->thread_id());
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    if (Verbose) {
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      st->print("%8d  %4d  " INTPTR_FORMAT " " INTPTR_FORMAT " %s",
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           BytecodeCounter::counter_value(), bci, tos, tos2, Bytecodes::name(code));
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    } else {
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      st->print("%8d  %4d  %s",
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           BytecodeCounter::counter_value(), bci, Bytecodes::name(code));
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    }
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    _next_pc = is_wide() ? bcp+2 : bcp+1;
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    print_attributes(code, bci);
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    // Set is_wide for the next one, since the caller of this doesn't skip
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    // the next bytecode.
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    _is_wide = (code == Bytecodes::_wide);
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  }
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  // Used for methodOop::print_codes().  The input bcp comes from
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  // BytecodeStream, which will skip wide bytecodes.
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  void trace(methodHandle method, address bcp, outputStream* st) {
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    _current_method = method();
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    ResourceMark rm;
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    Bytecodes::Code code = Bytecodes::code_at(bcp);
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    // Set is_wide
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    _is_wide = (code == Bytecodes::_wide);
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    if (is_wide()) {
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      code = Bytecodes::code_at(bcp+1);
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    }
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    int bci = bcp - method->code_base();
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    // Print bytecode index and name
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    if (is_wide()) {
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      st->print("%d %s_w", bci, Bytecodes::name(code));
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    } else {
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      st->print("%d %s", bci, Bytecodes::name(code));
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    }
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    _next_pc = is_wide() ? bcp+2 : bcp+1;
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    print_attributes(code, bci, st);
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    bytecode_epilog(bci, st);
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  }
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};
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// Implementation of BytecodeTracer
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// %%% This set_closure thing seems overly general, given that
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// nobody uses it.  Also, if BytecodePrinter weren't hidden
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// then methodOop could use instances of it directly and it
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// would be easier to remove races on _current_method and bcp.
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// Since this is not product functionality, we can defer cleanup.
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BytecodeClosure* BytecodeTracer::_closure = NULL;
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static BytecodePrinter std_closure;
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BytecodeClosure* BytecodeTracer::std_closure() {
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  return &::std_closure;
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}
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void BytecodeTracer::trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) {
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  if (TraceBytecodes && BytecodeCounter::counter_value() >= TraceBytecodesAt) {
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    ttyLocker ttyl;  // 5065316: keep the following output coherent
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    // The ttyLocker also prevents races between two threads
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    // trying to use the single instance of BytecodePrinter.
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    // Using the ttyLocker prevents the system from coming to
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    // a safepoint within this code, which is sensitive to methodOop
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    // movement.
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    //
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    // There used to be a leaf mutex here, but the ttyLocker will
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    // work just as well, as long as the printing operations never block.
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    //
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    // We put the locker on the static trace method, not the
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    // virtual one, because the clients of this module go through
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    // the static method.
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    _closure->trace(method, bcp, tos, tos2, st);
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  }
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}
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void BytecodeTracer::trace(methodHandle method, address bcp, outputStream* st) {
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  ttyLocker ttyl;  // 5065316: keep the following output coherent
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  _closure->trace(method, bcp, st);
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}
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void print_oop(oop value, outputStream* st) {
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  if (value == NULL) {
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    st->print_cr(" NULL");
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  } else {
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    EXCEPTION_MARK;
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    Handle h_value (THREAD, value);
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    symbolHandle sym = java_lang_String::as_symbol(h_value, CATCH);
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    if (sym->utf8_length() > 32) {
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      st->print_cr(" ....");
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    } else {
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      sym->print_on(st); st->cr();
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    }
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  }
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}
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bool BytecodePrinter::check_index(int i, bool in_cp_cache, int& cp_index, outputStream* st) {
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   189
  constantPoolOop constants = method()->constants();
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   190
  int ilimit = constants->length(), climit = 0;
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   191
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   192
  constantPoolCacheOop cache = NULL;
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   193
  if (in_cp_cache) {
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   194
    cache = constants->cache();
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   195
    if (cache != NULL) {
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   196
      //climit = cache->length();  // %%% private!
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   197
      size_t size = cache->size() * HeapWordSize;
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   198
      size -= sizeof(constantPoolCacheOopDesc);
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   199
      size /= sizeof(ConstantPoolCacheEntry);
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   200
      climit = (int) size;
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   201
    }
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   202
  }
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diff changeset
   203
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   204
  if (in_cp_cache && constantPoolCacheOopDesc::is_secondary_index(i)) {
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   205
    i = constantPoolCacheOopDesc::decode_secondary_index(i);
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   206
    st->print(" secondary cache[%d] of", i);
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   207
    if (i >= 0 && i < climit) {
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diff changeset
   208
      if (!cache->entry_at(i)->is_secondary_entry()) {
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jrose
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   209
        st->print_cr(" not secondary entry?", i);
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   210
        return false;
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diff changeset
   211
      }
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   212
      i = cache->entry_at(i)->main_entry_index();
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   213
      goto check_cache_index;
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diff changeset
   214
    } else {
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   215
      st->print_cr(" not in cache[*]?", i);
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   216
      return false;
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   217
    }
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   218
  }
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   219
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   220
  if (cache != NULL) {
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   221
    i = Bytes::swap_u2(i);
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   222
    if (WizardMode)  st->print(" (swap=%d)", i);
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   223
    goto check_cache_index;
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   224
  }
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   225
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   226
 check_cp_index:
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   227
  if (i >= 0 && i < ilimit) {
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   228
    if (WizardMode)  st->print(" cp[%d]", i);
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   229
    cp_index = i;
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   230
    return true;
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   231
  }
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   232
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   233
  st->print_cr(" CP[%d] not in CP", i);
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   234
  return false;
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   235
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   236
 check_cache_index:
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   237
  if (i >= 0 && i < climit) {
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   238
    if (cache->entry_at(i)->is_secondary_entry()) {
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   239
      st->print_cr(" secondary entry?");
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   240
      return false;
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diff changeset
   241
    }
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   242
    i = cache->entry_at(i)->constant_pool_index();
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   243
    goto check_cp_index;
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diff changeset
   244
  }
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   245
  st->print_cr(" not in CP[*]?", i);
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   246
  return false;
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diff changeset
   247
}
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   248
1
489c9b5090e2 Initial load
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   249
void BytecodePrinter::print_constant(int i, outputStream* st) {
2570
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   250
  int orig_i = i;
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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   251
  if (!check_index(orig_i, false, i, st))  return;
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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   252
1
489c9b5090e2 Initial load
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   253
  constantPoolOop constants = method()->constants();
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   254
  constantTag tag = constants->tag_at(i);
489c9b5090e2 Initial load
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   255
489c9b5090e2 Initial load
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   256
  if (tag.is_int()) {
489c9b5090e2 Initial load
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diff changeset
   257
    st->print_cr(" " INT32_FORMAT, constants->int_at(i));
489c9b5090e2 Initial load
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   258
  } else if (tag.is_long()) {
489c9b5090e2 Initial load
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   259
    st->print_cr(" " INT64_FORMAT, constants->long_at(i));
489c9b5090e2 Initial load
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   260
  } else if (tag.is_float()) {
489c9b5090e2 Initial load
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   261
    st->print_cr(" %f", constants->float_at(i));
489c9b5090e2 Initial load
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   262
  } else if (tag.is_double()) {
489c9b5090e2 Initial load
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   263
    st->print_cr(" %f", constants->double_at(i));
489c9b5090e2 Initial load
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diff changeset
   264
  } else if (tag.is_string()) {
489c9b5090e2 Initial load
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   265
    oop string = constants->resolved_string_at(i);
489c9b5090e2 Initial load
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   266
    print_oop(string, st);
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   267
  } else if (tag.is_unresolved_string()) {
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   268
    st->print_cr(" <unresolved string at %d>", i);
489c9b5090e2 Initial load
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diff changeset
   269
  } else if (tag.is_klass()) {
489c9b5090e2 Initial load
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   270
    st->print_cr(" %s", constants->resolved_klass_at(i)->klass_part()->external_name());
489c9b5090e2 Initial load
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diff changeset
   271
  } else if (tag.is_unresolved_klass()) {
489c9b5090e2 Initial load
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   272
    st->print_cr(" <unresolved klass at %d>", i);
4567
7fc02fbe5c7a 6893268: additional dynamic language related optimizations in C2
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diff changeset
   273
  } else if (tag.is_object()) {
7fc02fbe5c7a 6893268: additional dynamic language related optimizations in C2
twisti
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diff changeset
   274
    st->print_cr(" " PTR_FORMAT, constants->object_at(i));
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   275
  } else {
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   276
    st->print_cr(" bad tag=%d at %d", tag.value(), i);
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   277
  }
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   278
}
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   279
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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   280
void BytecodePrinter::print_field_or_method(int i, outputStream* st) {
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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   281
  int orig_i = i;
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   282
  if (!check_index(orig_i, true, i, st))  return;
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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   283
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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   284
  constantPoolOop constants = method()->constants();
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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   285
  constantTag tag = constants->tag_at(i);
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   286
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
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diff changeset
   287
  int nt_index = -1;
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
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diff changeset
   288
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   289
  switch (tag.value()) {
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   290
  case JVM_CONSTANT_InterfaceMethodref:
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   291
  case JVM_CONSTANT_Methodref:
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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   292
  case JVM_CONSTANT_Fieldref:
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
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diff changeset
   293
  case JVM_CONSTANT_NameAndType:
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   294
    break;
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diff changeset
   295
  default:
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
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diff changeset
   296
    st->print_cr(" bad tag=%d at %d", tag.value(), i);
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
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diff changeset
   297
    return;
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   298
  }
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diff changeset
   299
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
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diff changeset
   300
  symbolOop name = constants->uncached_name_ref_at(i);
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3261
diff changeset
   301
  symbolOop signature = constants->uncached_signature_ref_at(i);
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
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diff changeset
   302
  st->print_cr(" %d <%s> <%s> ", i, name->as_C_string(), signature->as_C_string());
1
489c9b5090e2 Initial load
duke
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diff changeset
   303
}
489c9b5090e2 Initial load
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diff changeset
   304
489c9b5090e2 Initial load
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parents:
diff changeset
   305
489c9b5090e2 Initial load
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parents:
diff changeset
   306
void BytecodePrinter::print_attributes(Bytecodes::Code code, int bci, outputStream* st) {
489c9b5090e2 Initial load
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parents:
diff changeset
   307
  // Show attributes of pre-rewritten codes
2578
c2b1f85a1b2a 6834142: method->print_codes(): Error: ShouldNotReachHere()
kvn
parents: 2570
diff changeset
   308
  code = Bytecodes::java_code(code);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   309
  // If the code doesn't have any fields there's nothing to print.
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parents:
diff changeset
   310
  // note this is ==1 because the tableswitch and lookupswitch are
489c9b5090e2 Initial load
duke
parents:
diff changeset
   311
  // zero size (for some reason) and we want to print stuff out for them.
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duke
parents:
diff changeset
   312
  if (Bytecodes::length_for(code) == 1) {
489c9b5090e2 Initial load
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diff changeset
   313
    st->cr();
489c9b5090e2 Initial load
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diff changeset
   314
    return;
489c9b5090e2 Initial load
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parents:
diff changeset
   315
  }
489c9b5090e2 Initial load
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parents:
diff changeset
   316
489c9b5090e2 Initial load
duke
parents:
diff changeset
   317
  switch(code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   318
    // Java specific bytecodes only matter.
489c9b5090e2 Initial load
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parents:
diff changeset
   319
    case Bytecodes::_bipush:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   320
      st->print_cr(" " INT32_FORMAT, get_byte());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   321
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   322
    case Bytecodes::_sipush:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   323
      st->print_cr(" " INT32_FORMAT, get_short());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   324
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   325
    case Bytecodes::_ldc:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   326
      print_constant(get_index(), st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   327
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   328
489c9b5090e2 Initial load
duke
parents:
diff changeset
   329
    case Bytecodes::_ldc_w:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   330
    case Bytecodes::_ldc2_w:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   331
      print_constant(get_big_index(), st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   332
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   333
489c9b5090e2 Initial load
duke
parents:
diff changeset
   334
    case Bytecodes::_iload:
489c9b5090e2 Initial load
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parents:
diff changeset
   335
    case Bytecodes::_lload:
489c9b5090e2 Initial load
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parents:
diff changeset
   336
    case Bytecodes::_fload:
489c9b5090e2 Initial load
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parents:
diff changeset
   337
    case Bytecodes::_dload:
489c9b5090e2 Initial load
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parents:
diff changeset
   338
    case Bytecodes::_aload:
489c9b5090e2 Initial load
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parents:
diff changeset
   339
    case Bytecodes::_istore:
489c9b5090e2 Initial load
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parents:
diff changeset
   340
    case Bytecodes::_lstore:
489c9b5090e2 Initial load
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parents:
diff changeset
   341
    case Bytecodes::_fstore:
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parents:
diff changeset
   342
    case Bytecodes::_dstore:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   343
    case Bytecodes::_astore:
489c9b5090e2 Initial load
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parents:
diff changeset
   344
      st->print_cr(" #%d", get_index_special());
489c9b5090e2 Initial load
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parents:
diff changeset
   345
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   346
489c9b5090e2 Initial load
duke
parents:
diff changeset
   347
    case Bytecodes::_iinc:
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parents:
diff changeset
   348
      { int index = get_index_special();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   349
        jint offset = is_wide() ? get_short(): get_byte();
489c9b5090e2 Initial load
duke
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diff changeset
   350
        st->print_cr(" #%d " INT32_FORMAT, index, offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   351
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   352
      break;
489c9b5090e2 Initial load
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parents:
diff changeset
   353
489c9b5090e2 Initial load
duke
parents:
diff changeset
   354
    case Bytecodes::_newarray: {
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duke
parents:
diff changeset
   355
        BasicType atype = (BasicType)get_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   356
        const char* str = type2name(atype);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   357
        if (str == NULL || atype == T_OBJECT || atype == T_ARRAY) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   358
          assert(false, "Unidentified basic type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   359
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   360
        st->print_cr(" %s", str);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   361
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   362
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   363
    case Bytecodes::_anewarray: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   364
        int klass_index = get_big_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   365
        constantPoolOop constants = method()->constants();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   366
        symbolOop name = constants->klass_name_at(klass_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   367
        st->print_cr(" %s ", name->as_C_string());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   368
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
    case Bytecodes::_multianewarray: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   371
        int klass_index = get_big_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   372
        int nof_dims = get_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   373
        constantPoolOop constants = method()->constants();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
        symbolOop name = constants->klass_name_at(klass_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
        st->print_cr(" %s %d", name->as_C_string(), nof_dims);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   377
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
    case Bytecodes::_ifeq:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
    case Bytecodes::_ifnull:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
    case Bytecodes::_iflt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
    case Bytecodes::_ifle:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
    case Bytecodes::_ifne:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
    case Bytecodes::_ifnonnull:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
    case Bytecodes::_ifgt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
    case Bytecodes::_ifge:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
    case Bytecodes::_if_icmpeq:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
    case Bytecodes::_if_icmpne:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
    case Bytecodes::_if_icmplt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
    case Bytecodes::_if_icmpgt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
    case Bytecodes::_if_icmple:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
    case Bytecodes::_if_icmpge:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
    case Bytecodes::_if_acmpeq:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
    case Bytecodes::_if_acmpne:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
    case Bytecodes::_goto:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
    case Bytecodes::_jsr:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
      st->print_cr(" %d", bci + get_short());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
    case Bytecodes::_goto_w:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
    case Bytecodes::_jsr_w:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
      st->print_cr(" %d", bci + get_int());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
    case Bytecodes::_ret: st->print_cr(" %d", get_index_special()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
    case Bytecodes::_tableswitch:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
      { align();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
        int  default_dest = bci + get_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
        int  lo           = get_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
        int  hi           = get_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
        int  len          = hi - lo + 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
        jint* dest        = NEW_RESOURCE_ARRAY(jint, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
        for (int i = 0; i < len; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
          dest[i] = bci + get_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
        st->print(" %d " INT32_FORMAT " " INT32_FORMAT " ",
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
                      default_dest, lo, hi);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
        int first = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
        for (int ll = lo; ll <= hi; ll++, first = false)  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
          int idx = ll - lo;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
          const char *format = first ? " %d:" INT32_FORMAT " (delta: %d)" :
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
                                       ", %d:" INT32_FORMAT " (delta: %d)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
          st->print(format, ll, dest[idx], dest[idx]-bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
        st->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
    case Bytecodes::_lookupswitch:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
      { align();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
        int  default_dest = bci + get_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
        int  len          = get_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
        jint* key         = NEW_RESOURCE_ARRAY(jint, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
        jint* dest        = NEW_RESOURCE_ARRAY(jint, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
        for (int i = 0; i < len; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
          key [i] = get_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
          dest[i] = bci + get_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
        };
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
        st->print(" %d %d ", default_dest, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
        bool first = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
        for (int ll = 0; ll < len; ll++, first = false)  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
          const char *format = first ? " " INT32_FORMAT ":" INT32_FORMAT :
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
                                       ", " INT32_FORMAT ":" INT32_FORMAT ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
          st->print(format, key[ll], dest[ll]);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
        st->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
    case Bytecodes::_putstatic:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
    case Bytecodes::_getstatic:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
    case Bytecodes::_putfield:
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   453
    case Bytecodes::_getfield:
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   454
      print_field_or_method(get_big_index(), st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
    case Bytecodes::_invokevirtual:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
    case Bytecodes::_invokespecial:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
    case Bytecodes::_invokestatic:
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   460
      print_field_or_method(get_big_index(), st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
    case Bytecodes::_invokeinterface:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
      { int i = get_big_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
        int n = get_index();
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   466
        get_index();            // ignore zero byte
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   467
        print_field_or_method(i, st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   471
    case Bytecodes::_invokedynamic:
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   472
      print_field_or_method(get_giant_index(), st);
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   473
      break;
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1
diff changeset
   474
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
    case Bytecodes::_new:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
    case Bytecodes::_checkcast:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
    case Bytecodes::_instanceof:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
      { int i = get_big_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
        constantPoolOop constants = method()->constants();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
        symbolOop name = constants->klass_name_at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
        st->print_cr(" %d <%s>", i, name->as_C_string());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
    case Bytecodes::_wide:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
      // length is zero not one, but printed with no more info.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
    default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
      ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
void BytecodePrinter::bytecode_epilog(int bci, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
  methodDataOop mdo = method()->method_data();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
  if (mdo != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
    ProfileData* data = mdo->bci_to_data(bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
    if (data != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
      st->print("  %d", mdo->dp_to_di(data->dp()));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
      st->fill_to(6);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
      data->print_data_on(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
#endif // PRODUCT