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omalloc
omReturn.h
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/* slightly changed for use by omalloc.h */
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/*
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* defines to get the return-address for non-dmalloc_lp malloc calls.
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*
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* Copyright 2000 by Gray Watson
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*
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* This file is part of the dmalloc package.
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*
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* Permission to use, copy, modify, and distribute this software for
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* any purpose and without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies, and that the name of Gray Watson not be used in advertising
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* or publicity pertaining to distribution of the document or software
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* without specific, written prior permission.
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*
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* Gray Watson makes no representations about the suitability of the
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* software described herein for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* The author may be contacted via http://dmalloc.com/
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*
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*/
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/*
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* This file contains the definition of the GET_RET_ADDR macro which
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* is designed to contain the archecture/compiler specific hacks to
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* determine the return-address from inside the malloc library. With
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* this information, the library can display caller information from
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* calls that do not use the malloc_lp functions.
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*
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* Most of the archectures here have been contributed by other
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* individuals and may need to be toggled a bit to remove local
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* configuration differences.
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*
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* PLEASE send all submissions, comments, problems to the author.
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*
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* NOTE: examining the assembly code for x =
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* __builtin_return_address(0); with gcc version 2+ should give you a
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* good start on building a hack for your box.
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*
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* NOTE: the hacks mentioned above were removed in favor of the GCC macro
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* __builtin_return_address(). Assumptions made in these hacks break for
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* recent GCC versions.
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*/
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#ifndef __OM_RETURN_H__
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#define __OM_RETURN_H__
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/********************************** default **********************************/
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#ifndef GET_RET_ADDR
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#if __GNUC__ > 1
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#ifdef OM_GET_RETURN_ADDR_WORKS
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#define GET_RET_ADDR(file) (file = __builtin_return_address(0))
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#else
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#define GET_RET_ADDR(file) (file = 0)
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#endif
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#else
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#define GET_RET_ADDR(file) (file = 0)
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#endif
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#endif
/* __GNUC__ > 1 */
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#endif
/* ! __OM_RETURN_H__ */
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