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/* -----------------------------------------------------------------------------
*
* (c) The University of Glasgow, 2009
*
* Lag/Drag/Void profiling.
*
* Do not #include this file directly: #include "Rts.h" instead.
*
* To understand the structure of the RTS headers, see the wiki:
* http://hackage.haskell.org/trac/ghc/wiki/Commentary/SourceTree/Includes
*
* ---------------------------------------------------------------------------*/
#ifndef RTS_PROF_LDV_H
#define RTS_PROF_LDV_H
#ifdef PROFILING
/* retrieves the LDV word from closure c */
#define LDVW(c) (((StgClosure *)(c))->header.prof.hp.ldvw)
/*
* Stores the creation time for closure c.
* This macro is called at the very moment of closure creation.
*
* NOTE: this initializes LDVW(c) to zero, which ensures that there
* is no conflict between retainer profiling and LDV profiling,
* because retainer profiling also expects LDVW(c) to be initialised
* to zero.
*/
#ifdef CMINUSMINUS
#else
#define LDV_RECORD_CREATE(c) \
LDVW((c)) = ((StgWord)RTS_DEREF(era) << LDV_SHIFT) | LDV_STATE_CREATE
#endif
#else /* !PROFILING */
#define LDV_RECORD_CREATE(c) /* nothing */
#endif /* PROFILING */
#endif /* STGLDVPROF_H */
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