src/cpu/x86/vm/runtime_x86_32.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 
  26 #include "incls/_precompiled.incl"
  27 #include "incls/_runtime_x86_32.cpp.incl"
  28 
  29 #define __ masm->
  30 
  31 ExceptionBlob*     OptoRuntime::_exception_blob;
  32 
  33 //------------------------------generate_exception_blob---------------------------
  34 // creates exception blob at the end
  35 // Using exception blob, this code is jumped from a compiled method.
  36 //
  37 // Given an exception pc at a call we call into the runtime for the
  38 // handler in this method. This handler might merely restore state
  39 // (i.e. callee save registers) unwind the frame and jump to the
  40 // exception handler for the nmethod if there is no Java level handler
  41 // for the nmethod.
  42 //
  43 // This code is entered with a jmp.
  44 //
  45 // Arguments:
  46 //   rax: exception oop
  47 //   rdx: exception pc




   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 #ifdef COMPILER2
  27 #include "asm/assembler.hpp"
  28 #include "assembler_x86.inline.hpp"
  29 #include "classfile/systemDictionary.hpp"
  30 #include "code/vmreg.hpp"
  31 #include "interpreter/interpreter.hpp"
  32 #include "nativeInst_x86.hpp"
  33 #include "opto/runtime.hpp"
  34 #include "runtime/interfaceSupport.hpp"
  35 #include "runtime/sharedRuntime.hpp"
  36 #include "runtime/stubRoutines.hpp"
  37 #include "runtime/vframeArray.hpp"
  38 #include "utilities/globalDefinitions.hpp"
  39 #include "vmreg_x86.inline.hpp"
  40 #endif
  41 


  42 
  43 #define __ masm->
  44 
  45 ExceptionBlob*     OptoRuntime::_exception_blob;
  46 
  47 //------------------------------generate_exception_blob---------------------------
  48 // creates exception blob at the end
  49 // Using exception blob, this code is jumped from a compiled method.
  50 //
  51 // Given an exception pc at a call we call into the runtime for the
  52 // handler in this method. This handler might merely restore state
  53 // (i.e. callee save registers) unwind the frame and jump to the
  54 // exception handler for the nmethod if there is no Java level handler
  55 // for the nmethod.
  56 //
  57 // This code is entered with a jmp.
  58 //
  59 // Arguments:
  60 //   rax: exception oop
  61 //   rdx: exception pc