src/os_cpu/solaris_sparc/vm/thread_solaris_sparc.hpp

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rev 4773 : 8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
   1 /*
   2  * Copyright (c) 1998, 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  *


  76 public:
  77 
  78   intptr_t* base_of_stack_pointer() { return _base_of_stack_pointer; }
  79 
  80   void set_base_of_stack_pointer(intptr_t* base_sp) {
  81     _base_of_stack_pointer = base_sp;
  82   }
  83 
  84   void record_base_of_stack_pointer() {
  85     intptr_t *sp = (intptr_t *)(((intptr_t)StubRoutines::Sparc::flush_callers_register_windows_func()()));
  86     intptr_t *ysp;
  87     while((ysp = (intptr_t*)sp[FP->sp_offset_in_saved_window()]) != NULL) {
  88       sp = (intptr_t *)((intptr_t)ysp + STACK_BIAS);
  89     }
  90     _base_of_stack_pointer = sp;
  91   }
  92 
  93   bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
  94     bool isInJava);
  95 





  96   // These routines are only used on cpu architectures that
  97   // have separate register stacks (Itanium).
  98   static bool register_stack_overflow() { return false; }
  99   static void enable_register_stack_guard() {}
 100   static void disable_register_stack_guard() {}
 101 
 102 #endif // OS_CPU_SOLARIS_SPARC_VM_THREAD_SOLARIS_SPARC_HPP
   1 /*
   2  * Copyright (c) 1998, 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  *


  76 public:
  77 
  78   intptr_t* base_of_stack_pointer() { return _base_of_stack_pointer; }
  79 
  80   void set_base_of_stack_pointer(intptr_t* base_sp) {
  81     _base_of_stack_pointer = base_sp;
  82   }
  83 
  84   void record_base_of_stack_pointer() {
  85     intptr_t *sp = (intptr_t *)(((intptr_t)StubRoutines::Sparc::flush_callers_register_windows_func()()));
  86     intptr_t *ysp;
  87     while((ysp = (intptr_t*)sp[FP->sp_offset_in_saved_window()]) != NULL) {
  88       sp = (intptr_t *)((intptr_t)ysp + STACK_BIAS);
  89     }
  90     _base_of_stack_pointer = sp;
  91   }
  92 
  93   bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
  94     bool isInJava);
  95 
  96   bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava);
  97 private:
  98   bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava, bool makeWalkable);
  99 public:
 100 
 101   // These routines are only used on cpu architectures that
 102   // have separate register stacks (Itanium).
 103   static bool register_stack_overflow() { return false; }
 104   static void enable_register_stack_guard() {}
 105   static void disable_register_stack_guard() {}
 106 
 107 #endif // OS_CPU_SOLARIS_SPARC_VM_THREAD_SOLARIS_SPARC_HPP