src/cpu/sparc/vm/stubRoutines_sparc.cpp

Mon, 04 Nov 2013 21:59:54 +0100

author
roland
date
Mon, 04 Nov 2013 21:59:54 +0100
changeset 6067
208ebea980f8
parent 5283
46c544b8fbfc
child 6198
55fb97c4c58d
permissions
-rw-r--r--

8027445: SIGSEGV at TestFloatingDecimal.testAppendToDouble()I
Summary: String.equals() intrinsic shouldn't use integer length input in pointer arithmetic without an i2l.
Reviewed-by: kvn, twisti

     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 "precompiled.hpp"
    26 #include "runtime/deoptimization.hpp"
    27 #include "runtime/frame.inline.hpp"
    28 #include "runtime/stubRoutines.hpp"
    29 #include "runtime/thread.inline.hpp"
    31 // Implementation of the platform-specific part of StubRoutines - for
    32 // a description of how to extend it, see the stubRoutines.hpp file.
    35 extern "C" {
    36   address _flush_reg_windows();   // in .s file.
    37   // Flush registers to stack. In case of error we will need to stack walk.
    38   address bootstrap_flush_windows(void) {
    39     Thread* thread = ThreadLocalStorage::get_thread_slow();
    40     // Very early in process there is no thread.
    41     if (thread != NULL) {
    42       guarantee(thread->is_Java_thread(), "Not a Java thread.");
    43       JavaThread* jt = (JavaThread*)thread;
    44       guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");
    45     }
    46     return (address)_flush_reg_windows();
    47   };
    48 };
    50 address StubRoutines::Sparc::_test_stop_entry = NULL;
    51 address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
    52 address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
    54 address StubRoutines::Sparc::_partial_subtype_check = NULL;

mercurial