runtime.hpp

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/* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.6 $ */
/* Copyright (c) 2006, Sun Microsystems, Inc.
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 
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    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 
          disclaimer in the documentation and/or other materials provided with the distribution.
    * Neither the name of Sun Microsystems nor the names of its contributors may be used to endorse or promote products derived 
          from this software without specific prior written permission.

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/*
  Implementation of a function accessable from compiled code should
  follow the below structure (see verifyNLR for an example)
  
  // Microsoft Visual C++, Compiler option: Generate frame pointer
  #pragma optimize("y", on)

  extern "C" volatile void function_called_from_vm(...) {
    VM_StackMarker mark;
    .. code ...
  }

  // Microsoft Visual C++, Compiler option:  Default settings
  #pragma optimize("",  on)
*/

/*
  Pascal Calling Convention:
   A routine that uses the Pascal calling convention must preserve EBX, EBP, ESI, EDI.
   (extracted from Microsoft Development Library, MASM 6.1 Programmer's Guide)

  C Calling Convention:
   A routine that uses the C calling convention must preserve EBP, ESI, EDI.
*/

extern "C" char* byte_map_base;
extern "C" char* MaxSP;
inline void Set_Byte_Map_Base(char* base) {byte_map_base = base;}

inline void  setSPMax(char* m)        { MaxSP = m; }
inline char* currentSPMax()           { return MaxSP; }

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