src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp

Mon, 26 Jun 2017 02:04:40 -0700

author
kevinw
date
Mon, 26 Jun 2017 02:04:40 -0700
changeset 8877
f04097176542
parent 5237
f2110083203d
child 9041
95a08233f46c
permissions
-rw-r--r--

8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
Reviewed-by: dlong

     1 /*
     2  * Copyright (c) 2003, 2013, 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/frame.inline.hpp"
    27 #include "runtime/thread.inline.hpp"
    29 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
    30 // currently interrupted by SIGPROF
    31 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
    32   void* ucontext, bool isInJava) {
    33   assert(Thread::current() == this, "caller must be current thread");
    34   return pd_get_top_frame(fr_addr, ucontext, isInJava);
    35 }
    37 bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr,
    38   void* ucontext, bool isInJava) {
    39   return pd_get_top_frame(fr_addr, ucontext, isInJava);
    40 }
    42 bool JavaThread::pd_get_top_frame(frame* fr_addr,
    43   void* ucontext, bool isInJava) {
    44   assert(this->is_Java_thread(), "must be JavaThread");
    45   JavaThread* jt = (JavaThread *)this;
    47   // There is small window where last_Java_frame is not walkable or safe
    48   if (jt->has_last_Java_frame() && jt->frame_anchor()->walkable()) {
    49     *fr_addr = jt->pd_last_frame();
    50     return true;
    51   }
    53   ucontext_t* uc = (ucontext_t*) ucontext;
    55   // We always want to use the initial frame we create from the ucontext as
    56   // it certainly signals where we currently are. However that frame may not
    57   // be safe for calling sender. In that case if we have a last_Java_frame
    58   // then the forte walker will switch to that frame as the virtual sender
    59   // for the frame we create here which is not sender safe.
    61   intptr_t* ret_fp;
    62   intptr_t* ret_sp;
    63   ExtendedPC addr = os::Solaris::fetch_frame_from_ucontext(this, uc, &ret_sp, &ret_fp);
    65   // Something would really have to be screwed up to get a NULL pc
    67   if (addr.pc() == NULL ) {
    68     assert(false, "NULL pc from signal handler!");
    69     return false;
    71   }
    73   // If sp and fp are nonsense just leave them out
    75   if ((address)ret_sp >= jt->stack_base() ||
    76       (address)ret_sp < jt->stack_base() - jt->stack_size() ) {
    78       ret_sp = NULL;
    79       ret_fp = NULL;
    80   } else {
    82     // sp is reasonable is fp reasonable?
    83     if ( (address)ret_fp >= jt->stack_base() || ret_fp < ret_sp) {
    84       ret_fp = NULL;
    85     }
    86   }
    88   frame ret_frame(ret_sp, ret_fp, addr.pc());
    90   *fr_addr = ret_frame;
    91   return true;
    93 }
    95 void JavaThread::cache_global_variables() { }

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