author | hseigel |
Mon, 16 Dec 2013 08:24:33 -0500 | |
changeset 22232 | 26acfad336c0 |
parent 20282 | 7f9cbdf89af2 |
child 22916 | 582da2ed4dfa |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#include "precompiled.hpp" |
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#include "interpreter/bytecodeHistogram.hpp" |
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#include "interpreter/bytecodeTracer.hpp" |
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#include "interpreter/bytecodes.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/method.hpp" |
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#include "runtime/mutexLocker.hpp" |
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#include "runtime/timer.hpp" |
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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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Method* _current_method; |
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bool _is_wide; |
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Bytecodes::Code _code; |
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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_u1() { return *(address)_next_pc++; } |
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int get_index_u2() { int i=Bytes::get_Java_u2(_next_pc); _next_pc+=2; return i; } |
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int get_index_u1_cpcache() { return get_index_u1() + ConstantPool::CPCACHE_INDEX_TAG; } |
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int get_index_u2_cpcache() { int i=Bytes::get_native_u2(_next_pc); _next_pc+=2; return i + ConstantPool::CPCACHE_INDEX_TAG; } |
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int get_index_u4() { 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_index_u2() : get_index_u1(); } |
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Method* method() { return _current_method; } |
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bool is_wide() { return _is_wide; } |
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Bytecodes::Code raw_code() { return Bytecodes::Code(_code); } |
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bool check_index(int i, int& cp_index, outputStream* st = tty); |
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bool check_cp_cache_index(int i, int& cp_index, outputStream* st = tty); |
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bool check_obj_index(int i, int& cp_index, outputStream* st = tty); |
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bool check_invokedynamic_index(int i, 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_field_or_method(int orig_i, int i, outputStream* st = tty); |
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void print_attributes(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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_code = Bytecodes::_illegal; |
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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("[%ld] ", (long) 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(method(), bcp+1); |
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} else { |
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code = Bytecodes::code_at(method(), bcp); |
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} |
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_code = code; |
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int bci = bcp - method->code_base(); |
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st->print("[%ld] ", (long) 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(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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_code = Bytecodes::_illegal; |
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} |
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// Used for Method*::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(method(), 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(method(), bcp+1); |
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} |
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_code = code; |
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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(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 Method* 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 Method* |
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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_symbol(Symbol* sym, outputStream* st) { |
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char buf[40]; |
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int len = sym->utf8_length(); |
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if (len >= (int)sizeof(buf)) { |
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st->print_cr(" %s...[%d]", sym->as_C_string(buf, sizeof(buf)), len); |
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} else { |
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st->print(" "); |
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sym->print_on(st); st->cr(); |
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} |
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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 if (java_lang_String::is_instance(value)) { |
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char buf[40]; |
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int len = java_lang_String::utf8_length(value); |
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java_lang_String::as_utf8_string(value, buf, sizeof(buf)); |
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if (len >= (int)sizeof(buf)) { |
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st->print_cr(" %s...[%d]", buf, len); |
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} else { |
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st->print_cr(" %s", buf); |
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} |
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} else { |
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st->print_cr(" " PTR_FORMAT, (void *)value); |
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} |
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} |
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bool BytecodePrinter::check_index(int i, int& cp_index, outputStream* st) { |
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ConstantPool* constants = method()->constants(); |
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int ilimit = constants->length(); |
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Bytecodes::Code code = raw_code(); |
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ConstantPoolCache* cache = NULL; |
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if (Bytecodes::uses_cp_cache(code)) { |
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bool okay = true; |
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switch (code) { |
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case Bytecodes::_fast_aldc: |
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case Bytecodes::_fast_aldc_w: |
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okay = check_obj_index(i, cp_index, st); |
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break; |
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case Bytecodes::_invokedynamic: |
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okay = check_invokedynamic_index(i, cp_index, st); |
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break; |
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default: |
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okay = check_cp_cache_index(i, cp_index, st); |
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break; |
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} |
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if (!okay) return false; |
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} |
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// check cp index |
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if (cp_index >= 0 && cp_index < ilimit) { |
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if (WizardMode) st->print(" cp[%d]", cp_index); |
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return true; |
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} |
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|
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st->print_cr(" CP[%d] not in CP", cp_index); |
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return false; |
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} |
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bool BytecodePrinter::check_cp_cache_index(int i, int& cp_index, outputStream* st) { |
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ConstantPool* constants = method()->constants(); |
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int ilimit = constants->length(), climit = 0; |
5688 | 259 |
Bytecodes::Code code = raw_code(); |
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260 |
|
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261 |
ConstantPoolCache* cache = constants->cache(); |
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262 |
// If rewriter hasn't run, the index is the cp_index |
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263 |
if (cache == NULL) { |
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264 |
cp_index = i; |
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265 |
return true; |
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266 |
} |
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267 |
//climit = cache->length(); // %%% private! |
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268 |
size_t size = cache->size() * HeapWordSize; |
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269 |
size -= sizeof(ConstantPoolCache); |
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270 |
size /= sizeof(ConstantPoolCacheEntry); |
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271 |
climit = (int) size; |
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272 |
|
5688 | 273 |
#ifdef ASSERT |
274 |
{ |
|
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275 |
const int CPCACHE_INDEX_TAG = ConstantPool::CPCACHE_INDEX_TAG; |
5688 | 276 |
if (i >= CPCACHE_INDEX_TAG && i < climit + CPCACHE_INDEX_TAG) { |
277 |
i -= CPCACHE_INDEX_TAG; |
|
278 |
} else { |
|
279 |
st->print_cr(" CP[%d] missing bias?", i); |
|
280 |
return false; |
|
281 |
} |
|
282 |
} |
|
283 |
#endif //ASSERT |
|
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284 |
if (i >= 0 && i < climit) { |
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285 |
cp_index = cache->entry_at(i)->constant_pool_index(); |
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286 |
} else { |
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287 |
st->print_cr(" not in CP[*]?", i); |
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288 |
return false; |
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|
289 |
} |
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290 |
return true; |
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|
291 |
} |
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|
292 |
|
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|
293 |
|
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294 |
bool BytecodePrinter::check_obj_index(int i, int& cp_index, outputStream* st) { |
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295 |
ConstantPool* constants = method()->constants(); |
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296 |
i -= ConstantPool::CPCACHE_INDEX_TAG; |
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|
297 |
|
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298 |
if (i >= 0 && i < constants->resolved_references()->length()) { |
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299 |
cp_index = constants->object_to_cp_index(i); |
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|
300 |
return true; |
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|
301 |
} else { |
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|
302 |
st->print_cr(" not in OBJ[*]?", i); |
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|
303 |
return false; |
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|
304 |
} |
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|
305 |
} |
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|
306 |
|
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|
307 |
|
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|
308 |
bool BytecodePrinter::check_invokedynamic_index(int i, int& cp_index, outputStream* st) { |
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309 |
ConstantPool* constants = method()->constants(); |
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310 |
assert(ConstantPool::is_invokedynamic_index(i), "not secondary index?"); |
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311 |
i = ConstantPool::decode_invokedynamic_index(i) + ConstantPool::CPCACHE_INDEX_TAG; |
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|
312 |
|
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|
313 |
return check_cp_cache_index(i, cp_index, st); |
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|
314 |
} |
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|
315 |
|
1 | 316 |
void BytecodePrinter::print_constant(int i, outputStream* st) { |
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|
317 |
int orig_i = i; |
5688 | 318 |
if (!check_index(orig_i, i, st)) return; |
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|
319 |
|
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|
320 |
ConstantPool* constants = method()->constants(); |
1 | 321 |
constantTag tag = constants->tag_at(i); |
322 |
||
323 |
if (tag.is_int()) { |
|
324 |
st->print_cr(" " INT32_FORMAT, constants->int_at(i)); |
|
325 |
} else if (tag.is_long()) { |
|
326 |
st->print_cr(" " INT64_FORMAT, constants->long_at(i)); |
|
327 |
} else if (tag.is_float()) { |
|
328 |
st->print_cr(" %f", constants->float_at(i)); |
|
329 |
} else if (tag.is_double()) { |
|
330 |
st->print_cr(" %f", constants->double_at(i)); |
|
331 |
} else if (tag.is_string()) { |
|
5882 | 332 |
const char* string = constants->string_at_noresolve(i); |
333 |
st->print_cr(" %s", string); |
|
1 | 334 |
} else if (tag.is_klass()) { |
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|
335 |
st->print_cr(" %s", constants->resolved_klass_at(i)->external_name()); |
1 | 336 |
} else if (tag.is_unresolved_klass()) { |
337 |
st->print_cr(" <unresolved klass at %d>", i); |
|
5882 | 338 |
} else if (tag.is_method_type()) { |
339 |
int i2 = constants->method_type_index_at(i); |
|
340 |
st->print(" <MethodType> %d", i2); |
|
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|
341 |
print_symbol(constants->symbol_at(i2), st); |
5882 | 342 |
} else if (tag.is_method_handle()) { |
343 |
int kind = constants->method_handle_ref_kind_at(i); |
|
344 |
int i2 = constants->method_handle_index_at(i); |
|
345 |
st->print(" <MethodHandle of kind %d>", kind, i2); |
|
346 |
print_field_or_method(-i, i2, st); |
|
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|
347 |
} else { |
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|
348 |
st->print_cr(" bad tag=%d at %d", tag.value(), i); |
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|
349 |
} |
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|
350 |
} |
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|
351 |
|
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|
352 |
void BytecodePrinter::print_field_or_method(int i, outputStream* st) { |
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|
353 |
int orig_i = i; |
5688 | 354 |
if (!check_index(orig_i, i, st)) return; |
5882 | 355 |
print_field_or_method(orig_i, i, st); |
356 |
} |
|
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|
357 |
|
5882 | 358 |
void BytecodePrinter::print_field_or_method(int orig_i, int i, outputStream* st) { |
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|
359 |
ConstantPool* constants = method()->constants(); |
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|
360 |
constantTag tag = constants->tag_at(i); |
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|
361 |
|
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|
362 |
bool has_klass = true; |
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|
363 |
|
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|
364 |
switch (tag.value()) { |
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|
365 |
case JVM_CONSTANT_InterfaceMethodref: |
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|
366 |
case JVM_CONSTANT_Methodref: |
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|
367 |
case JVM_CONSTANT_Fieldref: |
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|
368 |
break; |
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|
369 |
case JVM_CONSTANT_NameAndType: |
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|
370 |
case JVM_CONSTANT_InvokeDynamic: |
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|
371 |
has_klass = false; |
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diff
changeset
|
372 |
break; |
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diff
changeset
|
373 |
default: |
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|
374 |
st->print_cr(" bad tag=%d at %d", tag.value(), i); |
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diff
changeset
|
375 |
return; |
ecc7862946d4
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diff
changeset
|
376 |
} |
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|
377 |
|
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|
378 |
Symbol* name = constants->uncached_name_ref_at(i); |
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|
379 |
Symbol* signature = constants->uncached_signature_ref_at(i); |
5882 | 380 |
const char* sep = (tag.is_field() ? "/" : ""); |
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|
381 |
if (has_klass) { |
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|
382 |
Symbol* klass = constants->klass_name_at(constants->uncached_klass_ref_index_at(i)); |
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|
383 |
st->print_cr(" %d <%s.%s%s%s> ", i, klass->as_C_string(), name->as_C_string(), sep, signature->as_C_string()); |
bab93afe9df7
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|
384 |
} else { |
bab93afe9df7
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|
385 |
if (tag.is_invoke_dynamic()) { |
bab93afe9df7
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changeset
|
386 |
int bsm = constants->invoke_dynamic_bootstrap_method_ref_index_at(i); |
bab93afe9df7
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|
387 |
st->print(" bsm=%d", bsm); |
bab93afe9df7
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diff
changeset
|
388 |
} |
bab93afe9df7
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|
389 |
st->print_cr(" %d <%s%s%s>", i, name->as_C_string(), sep, signature->as_C_string()); |
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|
390 |
} |
1 | 391 |
} |
392 |
||
393 |
||
5688 | 394 |
void BytecodePrinter::print_attributes(int bci, outputStream* st) { |
1 | 395 |
// Show attributes of pre-rewritten codes |
5688 | 396 |
Bytecodes::Code code = Bytecodes::java_code(raw_code()); |
1 | 397 |
// If the code doesn't have any fields there's nothing to print. |
398 |
// note this is ==1 because the tableswitch and lookupswitch are |
|
399 |
// zero size (for some reason) and we want to print stuff out for them. |
|
400 |
if (Bytecodes::length_for(code) == 1) { |
|
401 |
st->cr(); |
|
402 |
return; |
|
403 |
} |
|
404 |
||
405 |
switch(code) { |
|
406 |
// Java specific bytecodes only matter. |
|
407 |
case Bytecodes::_bipush: |
|
408 |
st->print_cr(" " INT32_FORMAT, get_byte()); |
|
409 |
break; |
|
410 |
case Bytecodes::_sipush: |
|
411 |
st->print_cr(" " INT32_FORMAT, get_short()); |
|
412 |
break; |
|
413 |
case Bytecodes::_ldc: |
|
5882 | 414 |
if (Bytecodes::uses_cp_cache(raw_code())) { |
415 |
print_constant(get_index_u1_cpcache(), st); |
|
416 |
} else { |
|
417 |
print_constant(get_index_u1(), st); |
|
418 |
} |
|
1 | 419 |
break; |
420 |
||
421 |
case Bytecodes::_ldc_w: |
|
422 |
case Bytecodes::_ldc2_w: |
|
5882 | 423 |
if (Bytecodes::uses_cp_cache(raw_code())) { |
424 |
print_constant(get_index_u2_cpcache(), st); |
|
425 |
} else { |
|
426 |
print_constant(get_index_u2(), st); |
|
427 |
} |
|
1 | 428 |
break; |
429 |
||
430 |
case Bytecodes::_iload: |
|
431 |
case Bytecodes::_lload: |
|
432 |
case Bytecodes::_fload: |
|
433 |
case Bytecodes::_dload: |
|
434 |
case Bytecodes::_aload: |
|
435 |
case Bytecodes::_istore: |
|
436 |
case Bytecodes::_lstore: |
|
437 |
case Bytecodes::_fstore: |
|
438 |
case Bytecodes::_dstore: |
|
439 |
case Bytecodes::_astore: |
|
440 |
st->print_cr(" #%d", get_index_special()); |
|
441 |
break; |
|
442 |
||
443 |
case Bytecodes::_iinc: |
|
444 |
{ int index = get_index_special(); |
|
445 |
jint offset = is_wide() ? get_short(): get_byte(); |
|
446 |
st->print_cr(" #%d " INT32_FORMAT, index, offset); |
|
447 |
} |
|
448 |
break; |
|
449 |
||
450 |
case Bytecodes::_newarray: { |
|
5688 | 451 |
BasicType atype = (BasicType)get_index_u1(); |
1 | 452 |
const char* str = type2name(atype); |
453 |
if (str == NULL || atype == T_OBJECT || atype == T_ARRAY) { |
|
454 |
assert(false, "Unidentified basic type"); |
|
455 |
} |
|
456 |
st->print_cr(" %s", str); |
|
457 |
} |
|
458 |
break; |
|
459 |
case Bytecodes::_anewarray: { |
|
5688 | 460 |
int klass_index = get_index_u2(); |
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|
461 |
ConstantPool* constants = method()->constants(); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
462 |
Symbol* name = constants->klass_name_at(klass_index); |
1 | 463 |
st->print_cr(" %s ", name->as_C_string()); |
464 |
} |
|
465 |
break; |
|
466 |
case Bytecodes::_multianewarray: { |
|
5688 | 467 |
int klass_index = get_index_u2(); |
468 |
int nof_dims = get_index_u1(); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10966
diff
changeset
|
469 |
ConstantPool* constants = method()->constants(); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
470 |
Symbol* name = constants->klass_name_at(klass_index); |
1 | 471 |
st->print_cr(" %s %d", name->as_C_string(), nof_dims); |
472 |
} |
|
473 |
break; |
|
474 |
||
475 |
case Bytecodes::_ifeq: |
|
476 |
case Bytecodes::_ifnull: |
|
477 |
case Bytecodes::_iflt: |
|
478 |
case Bytecodes::_ifle: |
|
479 |
case Bytecodes::_ifne: |
|
480 |
case Bytecodes::_ifnonnull: |
|
481 |
case Bytecodes::_ifgt: |
|
482 |
case Bytecodes::_ifge: |
|
483 |
case Bytecodes::_if_icmpeq: |
|
484 |
case Bytecodes::_if_icmpne: |
|
485 |
case Bytecodes::_if_icmplt: |
|
486 |
case Bytecodes::_if_icmpgt: |
|
487 |
case Bytecodes::_if_icmple: |
|
488 |
case Bytecodes::_if_icmpge: |
|
489 |
case Bytecodes::_if_acmpeq: |
|
490 |
case Bytecodes::_if_acmpne: |
|
491 |
case Bytecodes::_goto: |
|
492 |
case Bytecodes::_jsr: |
|
493 |
st->print_cr(" %d", bci + get_short()); |
|
494 |
break; |
|
495 |
||
496 |
case Bytecodes::_goto_w: |
|
497 |
case Bytecodes::_jsr_w: |
|
498 |
st->print_cr(" %d", bci + get_int()); |
|
499 |
break; |
|
500 |
||
501 |
case Bytecodes::_ret: st->print_cr(" %d", get_index_special()); break; |
|
502 |
||
503 |
case Bytecodes::_tableswitch: |
|
504 |
{ align(); |
|
505 |
int default_dest = bci + get_int(); |
|
506 |
int lo = get_int(); |
|
507 |
int hi = get_int(); |
|
508 |
int len = hi - lo + 1; |
|
509 |
jint* dest = NEW_RESOURCE_ARRAY(jint, len); |
|
510 |
for (int i = 0; i < len; i++) { |
|
511 |
dest[i] = bci + get_int(); |
|
512 |
} |
|
513 |
st->print(" %d " INT32_FORMAT " " INT32_FORMAT " ", |
|
514 |
default_dest, lo, hi); |
|
515 |
int first = true; |
|
516 |
for (int ll = lo; ll <= hi; ll++, first = false) { |
|
517 |
int idx = ll - lo; |
|
518 |
const char *format = first ? " %d:" INT32_FORMAT " (delta: %d)" : |
|
519 |
", %d:" INT32_FORMAT " (delta: %d)"; |
|
520 |
st->print(format, ll, dest[idx], dest[idx]-bci); |
|
521 |
} |
|
522 |
st->cr(); |
|
523 |
} |
|
524 |
break; |
|
525 |
case Bytecodes::_lookupswitch: |
|
526 |
{ align(); |
|
527 |
int default_dest = bci + get_int(); |
|
528 |
int len = get_int(); |
|
529 |
jint* key = NEW_RESOURCE_ARRAY(jint, len); |
|
530 |
jint* dest = NEW_RESOURCE_ARRAY(jint, len); |
|
531 |
for (int i = 0; i < len; i++) { |
|
532 |
key [i] = get_int(); |
|
533 |
dest[i] = bci + get_int(); |
|
534 |
}; |
|
535 |
st->print(" %d %d ", default_dest, len); |
|
536 |
bool first = true; |
|
537 |
for (int ll = 0; ll < len; ll++, first = false) { |
|
538 |
const char *format = first ? " " INT32_FORMAT ":" INT32_FORMAT : |
|
539 |
", " INT32_FORMAT ":" INT32_FORMAT ; |
|
540 |
st->print(format, key[ll], dest[ll]); |
|
541 |
} |
|
542 |
st->cr(); |
|
543 |
} |
|
544 |
break; |
|
545 |
||
546 |
case Bytecodes::_putstatic: |
|
547 |
case Bytecodes::_getstatic: |
|
548 |
case Bytecodes::_putfield: |
|
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
1
diff
changeset
|
549 |
case Bytecodes::_getfield: |
5688 | 550 |
print_field_or_method(get_index_u2_cpcache(), st); |
1 | 551 |
break; |
552 |
||
553 |
case Bytecodes::_invokevirtual: |
|
554 |
case Bytecodes::_invokespecial: |
|
555 |
case Bytecodes::_invokestatic: |
|
5688 | 556 |
print_field_or_method(get_index_u2_cpcache(), st); |
1 | 557 |
break; |
558 |
||
559 |
case Bytecodes::_invokeinterface: |
|
5688 | 560 |
{ int i = get_index_u2_cpcache(); |
561 |
int n = get_index_u1(); |
|
562 |
get_byte(); // ignore zero byte |
|
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
1
diff
changeset
|
563 |
print_field_or_method(i, st); |
1 | 564 |
} |
565 |
break; |
|
566 |
||
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
1
diff
changeset
|
567 |
case Bytecodes::_invokedynamic: |
5688 | 568 |
print_field_or_method(get_index_u4(), st); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
1
diff
changeset
|
569 |
break; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
1
diff
changeset
|
570 |
|
1 | 571 |
case Bytecodes::_new: |
572 |
case Bytecodes::_checkcast: |
|
573 |
case Bytecodes::_instanceof: |
|
5688 | 574 |
{ int i = get_index_u2(); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10966
diff
changeset
|
575 |
ConstantPool* constants = method()->constants(); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
576 |
Symbol* name = constants->klass_name_at(i); |
1 | 577 |
st->print_cr(" %d <%s>", i, name->as_C_string()); |
578 |
} |
|
579 |
break; |
|
580 |
||
581 |
case Bytecodes::_wide: |
|
582 |
// length is zero not one, but printed with no more info. |
|
583 |
break; |
|
584 |
||
585 |
default: |
|
586 |
ShouldNotReachHere(); |
|
587 |
break; |
|
588 |
} |
|
589 |
} |
|
590 |
||
591 |
||
592 |
void BytecodePrinter::bytecode_epilog(int bci, outputStream* st) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
10966
diff
changeset
|
593 |
MethodData* mdo = method()->method_data(); |
1 | 594 |
if (mdo != NULL) { |
595 |
ProfileData* data = mdo->bci_to_data(bci); |
|
596 |
if (data != NULL) { |
|
597 |
st->print(" %d", mdo->dp_to_di(data->dp())); |
|
598 |
st->fill_to(6); |
|
599 |
data->print_data_on(st); |
|
600 |
} |
|
601 |
} |
|
602 |
} |
|
603 |
#endif // PRODUCT |