jdk8-mips64-public/hotspot: src/share/vm/code/pcDesc.cpp@e9ff18c4ace7

     1 /*

     2  * Copyright (c) 1997, 2010, 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 "incls/_precompiled.incl"

    26 # include "incls/_pcDesc.cpp.incl"

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

    29   assert(sizeof(PcDescFlags) <= 4, "occupies more than a word");

    30   _pc_offset           = pc_offset;

    31   _scope_decode_offset = scope_decode_offset;

    32   _obj_decode_offset   = obj_decode_offset;

    33   _flags.word          = 0;

    34 }

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

    37   return code->instructions_begin() + pc_offset();

    38 }

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

    41 #ifndef PRODUCT

    42   ResourceMark rm;

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

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

    46     return;

    47   }

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

    50        sd != NULL;

    51        sd = sd->sender()) {

    52     tty->print("  ");

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

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

    55     if (sd->should_reexecute())

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

    57     tty->cr();

    58   }

    59 #endif

    60 }

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

    63   //Unimplemented();

    64   return true;

    65 }

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