< prev index next >

src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp

Print this page


   1 /*
   2  * Copyright (c) 1999, 2016, 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  *


 420     } else {
 421       // Ignoring SIGPIPE/SIGXFSZ - see bugs 4229104 or 6499219
 422       return true;
 423     }
 424   }
 425 
 426   JavaThread* thread = NULL;
 427   VMThread* vmthread = NULL;
 428 
 429   if (os::Solaris::signal_handlers_are_installed) {
 430     if (t != NULL ){
 431       if(t->is_Java_thread()) {
 432         thread = (JavaThread*)t;
 433       }
 434       else if(t->is_VM_thread()){
 435         vmthread = (VMThread *)t;
 436       }
 437     }
 438   }
 439 
 440   if (sig == os::Solaris::SIGasync()) {
 441     if(thread || vmthread){
 442       OSThread::SR_handler(t, uc);
 443       return true;
 444     } else if (os::Solaris::chained_handler(sig, info, ucVoid)) {
 445       return true;
 446     } else {
 447       // If os::Solaris::SIGasync not chained, and this is a non-vm and
 448       // non-java thread
 449       return true;
 450     }
 451   }
 452 
 453   if (info == NULL || info->si_code <= 0 || info->si_code == SI_NOINFO) {
 454     // can't decode this kind of signal
 455     info = NULL;
 456   } else {
 457     assert(sig == info->si_signo, "bad siginfo");
 458   }
 459 
 460   // decide if this trap can be handled by a stub
 461   address stub = NULL;
 462 
 463   address pc          = NULL;
 464 
 465   //%note os_trap_1
 466   if (info != NULL && uc != NULL && thread != NULL) {
 467     // factor me: getPCfromContext


   1 /*
   2  * Copyright (c) 1999, 2017, 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  *


 420     } else {
 421       // Ignoring SIGPIPE/SIGXFSZ - see bugs 4229104 or 6499219
 422       return true;
 423     }
 424   }
 425 
 426   JavaThread* thread = NULL;
 427   VMThread* vmthread = NULL;
 428 
 429   if (os::Solaris::signal_handlers_are_installed) {
 430     if (t != NULL ){
 431       if(t->is_Java_thread()) {
 432         thread = (JavaThread*)t;
 433       }
 434       else if(t->is_VM_thread()){
 435         vmthread = (VMThread *)t;
 436       }
 437     }
 438   }
 439 
 440   if (sig == ASYNC_SIGNAL) {
 441     if(thread || vmthread){
 442       OSThread::SR_handler(t, uc);
 443       return true;
 444     } else if (os::Solaris::chained_handler(sig, info, ucVoid)) {
 445       return true;
 446     } else {
 447       // If ASYNC_SIGNAL not chained, and this is a non-vm and
 448       // non-java thread
 449       return true;
 450     }
 451   }
 452 
 453   if (info == NULL || info->si_code <= 0 || info->si_code == SI_NOINFO) {
 454     // can't decode this kind of signal
 455     info = NULL;
 456   } else {
 457     assert(sig == info->si_signo, "bad siginfo");
 458   }
 459 
 460   // decide if this trap can be handled by a stub
 461   address stub = NULL;
 462 
 463   address pc          = NULL;
 464 
 465   //%note os_trap_1
 466   if (info != NULL && uc != NULL && thread != NULL) {
 467     // factor me: getPCfromContext


< prev index next >