jdk8-mips64-public/hotspot: src/share/vm/code/pcDesc.cpp@a248d0be1309

8229401: Fix JFR code cache test failures
8223689: Add JFR Thread Sampling Support
8223690: Add JFR BiasedLock Event Support
8223691: Add JFR G1 Region Type Change Event Support
8223692: Add JFR G1 Heap Summary Event Support
Summary: Backport JFR from JDK11, additional fixes
Reviewed-by: neugens, apetushkov
Contributed-by: denghui.ddh@alibaba-inc.com

     1 /*

     2  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #include "precompiled.hpp"

    26 #include "code/debugInfoRec.hpp"

    27 #include "code/nmethod.hpp"

    28 #include "code/pcDesc.hpp"

    29 #include "code/scopeDesc.hpp"

    30 #include "memory/resourceArea.hpp"

    32 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC

    34 PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {

    35   _pc_offset           = pc_offset;

    36   _scope_decode_offset = scope_decode_offset;

    37   _obj_decode_offset   = obj_decode_offset;

    38   _flags               = 0;

    39 }

    41 address PcDesc::real_pc(const nmethod* code) const {

    42   return code->code_begin() + pc_offset();

    43 }

    45 void PcDesc::print(nmethod* code) {

    46 #ifndef PRODUCT

    47   ResourceMark rm;

    48   tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags);

    50   if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {

    51     return;

    52   }

    54   for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));

    55        sd != NULL;

    56        sd = sd->sender()) {

    57     tty->print("  ");

    58     sd->method()->print_short_name(tty);

    59     tty->print("  @%d", sd->bci());

    60     if (sd->should_reexecute())

    61       tty->print("  reexecute=true");

    62     tty->cr();

    63   }

    64 #endif

    65 }

    67 bool PcDesc::verify(nmethod* code) {

    68   //Unimplemented();

    69   return true;

    70 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/code/pcDesc.cpp@a248d0be1309

src/share/vm/code/pcDesc.cpp