src/cpu/x86/vm/frame_x86.cpp

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   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 # include "incls/_precompiled.incl"
  26 # include "incls/_frame_x86.cpp.incl"
















  27 
  28 #ifdef ASSERT
  29 void RegisterMap::check_location_valid() {
  30 }
  31 #endif
  32 
  33 
  34 // Profiling/safepoint support
  35 
  36 bool frame::safe_for_sender(JavaThread *thread) {
  37   address   sp = (address)_sp;
  38   address   fp = (address)_fp;
  39   address   unextended_sp = (address)_unextended_sp;
  40   // sp must be within the stack
  41   bool sp_safe = (sp <= thread->stack_base()) &&
  42                  (sp >= thread->stack_base() - thread->stack_size());
  43 
  44   if (!sp_safe) {
  45     return false;
  46   }




   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 #include "precompiled.hpp"
  26 #include "interpreter/interpreter.hpp"
  27 #include "memory/resourceArea.hpp"
  28 #include "oops/markOop.hpp"
  29 #include "oops/methodOop.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "runtime/frame.inline.hpp"
  32 #include "runtime/handles.inline.hpp"
  33 #include "runtime/javaCalls.hpp"
  34 #include "runtime/monitorChunk.hpp"
  35 #include "runtime/signature.hpp"
  36 #include "runtime/stubCodeGenerator.hpp"
  37 #include "runtime/stubRoutines.hpp"
  38 #include "vmreg_x86.inline.hpp"
  39 #ifdef COMPILER1
  40 #include "c1/c1_Runtime1.hpp"
  41 #include "runtime/vframeArray.hpp"
  42 #endif
  43 
  44 #ifdef ASSERT
  45 void RegisterMap::check_location_valid() {
  46 }
  47 #endif
  48 
  49 
  50 // Profiling/safepoint support
  51 
  52 bool frame::safe_for_sender(JavaThread *thread) {
  53   address   sp = (address)_sp;
  54   address   fp = (address)_fp;
  55   address   unextended_sp = (address)_unextended_sp;
  56   // sp must be within the stack
  57   bool sp_safe = (sp <= thread->stack_base()) &&
  58                  (sp >= thread->stack_base() - thread->stack_size());
  59 
  60   if (!sp_safe) {
  61     return false;
  62   }