cppInterpreter.hpp revision 1472
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
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c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews// This file contains the platform-independent parts
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews// of the c++ interpreter
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrewsclass CppInterpreter: public AbstractInterpreter {
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews friend class InterpreterGenerator; // result handlers
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews friend class CppInterpreterGenerator; // result handlers
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews // tosca result -> stack result
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews static address _tosca_to_stack[number_of_result_handlers]; // converts tosca to C++ interpreter stack result
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews // stack result -> stack result
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews static address _stack_to_stack[number_of_result_handlers]; // pass result between C++ interpreter calls
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews // stack result -> native abi result
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews static address _stack_to_native_abi[number_of_result_handlers]; // converts C++ interpreter results to native abi
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews // this is to allow frame and only frame to use contains().
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews friend class frame;
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews static void initialize();
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews // this only returns whether a pc is within generated code for the interpreter.
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt // This is a moderately dubious interface for the c++ interpreter. Only
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt // frame code and debug.cpp should be using it.
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews // No displatch table to switch so no need for these to do anything special
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews static void notice_safepoints() {}
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews static void ignore_safepoints() {}
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt static address native_result_to_tosca() { return (address)_native_abi_to_tosca; } // aka result handler
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt static address tosca_result_to_stack() { return (address)_tosca_to_stack; }
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt static address stack_result_to_stack() { return (address)_stack_to_stack; }
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt static address stack_result_to_native() { return (address)_stack_to_native_abi; }
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt static address native_result_to_tosca(int index) { return _native_abi_to_tosca[index]; } // aka result handler
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt static address tosca_result_to_stack(int index) { return _tosca_to_stack[index]; }
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt static address stack_result_to_stack(int index) { return _stack_to_stack[index]; }
98922b2b2b024dcca25be7c220cf3b16b1e6c4b5Evan Hunt static address stack_result_to_native(int index) { return _stack_to_native_abi[index]; }
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews static address return_entry (TosState state, int length);
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews static address deopt_entry (TosState state, int length);
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews#include "incls/_cppInterpreter_pd.hpp.incl"
c3c8823fed039b3a2b8e5ca8bc2f3301d1dd840eMark Andrews#endif // CC_INTERP