hotspot/src/share/vm/interpreter/templateInterpreterGenerator.hpp
author coleenp
Mon, 14 Jan 2013 11:01:39 -0500
changeset 15194 a35093d73168
parent 10004 190e88f7edd1
child 21198 dd647e8d1d72
permissions -rw-r--r--
8006005: Fix constant pool index validation and alignment trap for method parameter reflection Summary: This patch addresses an alignment trap due to the storage format of method parameters data in constMethod. It also adds code to validate constant pool indexes for method parameters data. Reviewed-by: jrose, dholmes Contributed-by: eric.mccorkle@oracle.com

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP
#define SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP

// This file contains the platform-independent parts
// of the template interpreter generator.

#ifndef CC_INTERP

class TemplateInterpreterGenerator: public AbstractInterpreterGenerator {
 protected:

  // entry points for shared code sequence
  address _unimplemented_bytecode;
  address _illegal_bytecode_sequence;

  // shared code sequences
  // Converter for native abi result to tosca result
  address generate_result_handler_for(BasicType type);
  address generate_slow_signature_handler();
  address generate_error_exit(const char* msg);
  address generate_StackOverflowError_handler();
  address generate_exception_handler(const char* name, const char* message) {
    return generate_exception_handler_common(name, message, false);
  }
  address generate_klass_exception_handler(const char* name) {
    return generate_exception_handler_common(name, NULL, true);
  }
  address generate_exception_handler_common(const char* name, const char* message, bool pass_oop);
  address generate_ClassCastException_handler();
  address generate_ArrayIndexOutOfBounds_handler(const char* name);
  address generate_continuation_for(TosState state);
  address generate_return_entry_for(TosState state, int step);
  address generate_earlyret_entry_for(TosState state);
  address generate_deopt_entry_for(TosState state, int step);
  address generate_safept_entry_for(TosState state, address runtime_entry);
  void    generate_throw_exception();

  // entry point generator
//   address generate_method_entry(AbstractInterpreter::MethodKind kind);

  // Instruction generation
  void generate_and_dispatch (Template* t, TosState tos_out = ilgl);
  void set_vtos_entry_points (Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& vep);
  void set_short_entry_points(Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& vep);
  void set_wide_entry_point  (Template* t, address& wep);

  void set_entry_points(Bytecodes::Code code);
  void set_unimplemented(int i);
  void set_entry_points_for_all_bytes();
  void set_safepoints_for_all_bytes();

  // Helpers for generate_and_dispatch
  address generate_trace_code(TosState state)   PRODUCT_RETURN0;
  void count_bytecode()                         PRODUCT_RETURN;
  void histogram_bytecode(Template* t)          PRODUCT_RETURN;
  void histogram_bytecode_pair(Template* t)     PRODUCT_RETURN;
  void trace_bytecode(Template* t)              PRODUCT_RETURN;
  void stop_interpreter_at()                    PRODUCT_RETURN;

  void generate_all();

 public:
  TemplateInterpreterGenerator(StubQueue* _code);

#ifdef TARGET_ARCH_x86
# include "templateInterpreterGenerator_x86.hpp"
#endif
#ifdef TARGET_ARCH_sparc
# include "templateInterpreterGenerator_sparc.hpp"
#endif
#ifdef TARGET_ARCH_zero
# include "templateInterpreterGenerator_zero.hpp"
#endif
#ifdef TARGET_ARCH_arm
# include "templateInterpreterGenerator_arm.hpp"
#endif
#ifdef TARGET_ARCH_ppc
# include "templateInterpreterGenerator_ppc.hpp"
#endif


};

#endif // !CC_INTERP

#endif // SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP