src/cpu/sparc/vm/nativeInst_sparc.hpp

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   1 /*
   2  * Copyright (c) 1997, 2008, 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 // We have interface for the following instructions:
  26 // - NativeInstruction
  27 // - - NativeCall
  28 // - - NativeFarCall
  29 // - - NativeMovConstReg
  30 // - - NativeMovConstRegPatching
  31 // - - NativeMovRegMem
  32 // - - NativeMovRegMemPatching
  33 // - - NativeJump
  34 // - - NativeGeneralJump
  35 // - - NativeIllegalInstruction
  36 // The base class for different kinds of native instruction abstractions.
  37 // Provides the primitive operations to manipulate code relative to this.
  38 class NativeInstruction VALUE_OBJ_CLASS_SPEC {
  39   friend class Relocation;
  40 
  41  public:
  42   enum Sparc_specific_constants {
  43     nop_instruction_size        =    4
  44   };


 896     return jump;
 897   }
 898 
 899   // Insertion of native general jump instruction
 900   static void insert_unconditional(address code_pos, address entry);
 901   static void replace_mt_safe(address instr_addr, address code_buffer);
 902 
 903   void verify();
 904 };
 905 
 906 
 907 class NativeIllegalInstruction: public NativeInstruction {
 908  public:
 909   enum Sparc_specific_constants {
 910     instruction_size            =    4
 911   };
 912 
 913   // Insert illegal opcode as specific address
 914   static void insert(address code_pos);
 915 };


   1 /*
   2  * Copyright (c) 1997, 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  *
  23  */
  24 
  25 #ifndef CPU_SPARC_VM_NATIVEINST_SPARC_HPP
  26 #define CPU_SPARC_VM_NATIVEINST_SPARC_HPP
  27 
  28 #include "asm/assembler.hpp"
  29 #include "memory/allocation.hpp"
  30 #include "runtime/icache.hpp"
  31 #include "runtime/os.hpp"
  32 #include "utilities/top.hpp"
  33 
  34 // We have interface for the following instructions:
  35 // - NativeInstruction
  36 // - - NativeCall
  37 // - - NativeFarCall
  38 // - - NativeMovConstReg
  39 // - - NativeMovConstRegPatching
  40 // - - NativeMovRegMem
  41 // - - NativeMovRegMemPatching
  42 // - - NativeJump
  43 // - - NativeGeneralJump
  44 // - - NativeIllegalInstruction
  45 // The base class for different kinds of native instruction abstractions.
  46 // Provides the primitive operations to manipulate code relative to this.
  47 class NativeInstruction VALUE_OBJ_CLASS_SPEC {
  48   friend class Relocation;
  49 
  50  public:
  51   enum Sparc_specific_constants {
  52     nop_instruction_size        =    4
  53   };


 905     return jump;
 906   }
 907 
 908   // Insertion of native general jump instruction
 909   static void insert_unconditional(address code_pos, address entry);
 910   static void replace_mt_safe(address instr_addr, address code_buffer);
 911 
 912   void verify();
 913 };
 914 
 915 
 916 class NativeIllegalInstruction: public NativeInstruction {
 917  public:
 918   enum Sparc_specific_constants {
 919     instruction_size            =    4
 920   };
 921 
 922   // Insert illegal opcode as specific address
 923   static void insert(address code_pos);
 924 };
 925 
 926 #endif // CPU_SPARC_VM_NATIVEINST_SPARC_HPP