jdk8-mips64-public/hotspot: src/os_cpu/solaris_x86/vm/thread_solaris

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

     1 /*

     2  * Copyright 2003-2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 #include "incls/_precompiled.incl"

    26 #include "incls/_thread_solaris_x86.cpp.incl"

    28 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is

    29 // currently interrupted by SIGPROF

    30 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,

    31   void* ucontext, bool isInJava) {

    33   assert(Thread::current() == this, "caller must be current thread");

    34   assert(this->is_Java_thread(), "must be JavaThread");

    35   JavaThread* jt = (JavaThread *)this;

    37   // last_Java_frame is always walkable and safe use it if we have it

    39   if (jt->has_last_Java_frame()) {

    40     *fr_addr = jt->pd_last_frame();

    41     return true;

    42   }

    44   ucontext_t* uc = (ucontext_t*) ucontext;

    46   // We always want to use the initial frame we create from the ucontext as

    47   // it certainly signals where we currently are. However that frame may not

    48   // be safe for calling sender. In that case if we have a last_Java_frame

    49   // then the forte walker will switch to that frame as the virtual sender

    50   // for the frame we create here which is not sender safe.

    52   intptr_t* ret_fp;

    53   intptr_t* ret_sp;

    54   ExtendedPC addr = os::Solaris::fetch_frame_from_ucontext(this, uc, &ret_sp, &ret_fp);

    56   // Something would really have to be screwed up to get a NULL pc

    58   if (addr.pc() == NULL ) {

    59     assert(false, "NULL pc from signal handler!");

    60     return false;

    62   }

    64   // If sp and fp are nonsense just leave them out

    66   if ((address)ret_sp >= jt->stack_base() ||

    67       (address)ret_sp < jt->stack_base() - jt->stack_size() ) {

    69       ret_sp = NULL;

    70       ret_fp = NULL;

    71   } else {

    73     // sp is reasonable is fp reasonable?

    74     if ( (address)ret_fp >= jt->stack_base() || ret_fp < ret_sp) {

    75       ret_fp = NULL;

    76     }

    77   }

    79   frame ret_frame(ret_sp, ret_fp, addr.pc());

    81   *fr_addr = ret_frame;

    82   return true;

    84 }

src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp@d1605aabd0a1