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/*
These utility routines are used various
places in the GHC library.
*/
#include "Rts.h"
#if __GLASGOW_HASKELL__ <= 610
#include "RtsFlags.h"
#endif
#include "HsFFI.h"
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
/*
Calling 'strlen' and 'memcpy' directly gives problems with GCC's inliner,
and causes gcc to require too many registers on x84
*/
HsInt
ghc_strlen( HsPtr a )
{
return (strlen((char *)a));
}
HsInt
ghc_memcmp( HsPtr a1, HsPtr a2, HsInt len )
{
return (memcmp((char *)a1, a2, len));
}
HsInt
ghc_memcmp_off( HsPtr a1, HsInt i, HsPtr a2, HsInt len )
{
return (memcmp((char *)a1 + i, a2, len));
}
void
enableTimingStats( void ) /* called from the driver */
{
RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
}
void
setHeapSize( HsInt size )
{
RtsFlags.GcFlags.heapSizeSuggestion = size / BLOCK_SIZE;
if (RtsFlags.GcFlags.maxHeapSize != 0 &&
RtsFlags.GcFlags.heapSizeSuggestion > RtsFlags.GcFlags.maxHeapSize) {
RtsFlags.GcFlags.maxHeapSize = RtsFlags.GcFlags.heapSizeSuggestion;
}
}
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