1 /*
   2  * Copyright (c) 1999, 2007, 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  */
  24 
  25 // Defines the interfaces to Solaris operating systems that vary across platforms
  26 
  27 
  28 // This is a simple callback that just fetches a PC for an interrupted thread.
  29 // The thread need not be suspended and the fetched PC is just a hint.
  30 // Returned PC and nPC are not necessarily consecutive.
  31 // This one is currently used for profiling the VMThread ONLY!
  32 
  33 // Must be synchronous
  34 class GetThreadPC_Callback : public OSThread::Sync_Interrupt_Callback {
  35  private:
  36   ExtendedPC _addr;
  37 
  38  public:
  39 
  40   GetThreadPC_Callback(Monitor *sync) :
  41     OSThread::Sync_Interrupt_Callback(sync) { }
  42   ExtendedPC addr() const { return _addr; }
  43 
  44   void set_addr(ExtendedPC addr) { _addr = addr; }
  45 
  46   void execute(OSThread::InterruptArguments *args);
  47 };
  48 
  49 // misc
  50 extern "C" {
  51   void signalHandler(int, siginfo_t*, void*);
  52 }
  53 void resolve_lwp_exit_calls(void);
  54 void handle_unexpected_exception(Thread* thread, int sig, siginfo_t* info, address pc, address adjusted_pc);
  55 #ifndef PRODUCT
  56 void continue_with_dump(void);
  57 #endif
  58 
  59 #if defined(__sparc) && defined(COMPILER2)
  60 // For Sun Studio compiler implementation is in  file
  61 // src/os_cpu/solaris_sparc/vm/solaris_sparc.il
  62 // For gcc implementation is in  file
  63 // src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp
  64 extern "C" void _mark_fpu_nosave() ;
  65 #endif
  66 
  67 #define PROCFILE_LENGTH 128