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/*
These routines customise the error messages
for various bits of the RTS. They are linked
in instead of the defaults.
*/
#include <string.h>
/* For GHC 4.08, we are relying on the fact that RtsFlags has
* compatibile layout with the current version, because we're
* #including the current version of RtsFlags.h below. 4.08 didn't
* ship with its own RtsFlags.h, unfortunately. For later GHC
* versions, we #include the correct RtsFlags.h.
*/
#if __GLASGOW_HASKELL__ < 502
#include "../includes/Rts.h"
#include "../includes/RtsFlags.h"
#else
#include "Rts.h"
#include "RtsFlags.h"
#endif
#include "HsFFI.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
void
defaultsHook (void)
{
RtsFlags.GcFlags.heapSizeSuggestion = 6*1024*1024 / BLOCK_SIZE;
RtsFlags.GcFlags.maxStkSize = 8*1024*1024 / sizeof(W_);
#if __GLASGOW_HASKELL__ >= 411
/* GHC < 4.11 didn't have these */
RtsFlags.GcFlags.giveStats = COLLECT_GC_STATS;
RtsFlags.GcFlags.statsFile = stderr;
#endif
}
void
enableTimingStats( void ) /* called from the driver */
{
#if __GLASGOW_HASKELL__ >= 505
RtsFlags.GcFlags.giveStats = ONELINE_GC_STATS;
#endif
/* ignored when bootstrapping with an older GHC */
}
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;
}
}
void
PreTraceHook (long fd)
{
const char msg[]="\n";
write(fd,msg,sizeof(msg)-1);
}
void
PostTraceHook (long fd)
{
#if 0
const char msg[]="\n";
write(fd,msg,sizeof(msg)-1);
#endif
}
void
OutOfHeapHook (unsigned long request_size/* always zero these days */,
unsigned long heap_size)
/* both in bytes */
{
fprintf(stderr, "GHC's heap exhausted: current limit is %lu bytes;\nUse the `-H<size>' option to increase the total heap size.\n",
heap_size);
}
void
StackOverflowHook (unsigned long stack_size) /* in bytes */
{
fprintf(stderr, "GHC stack-space overflow: current limit is %ld bytes.\nUse the `-K<size>' option to increase it.\n", stack_size);
}
HsInt
ghc_strlen( HsAddr a )
{
return (strlen((char *)a));
}
HsInt
ghc_memcmp( HsAddr a1, HsAddr a2, HsInt len )
{
return (memcmp((char *)a1, a2, len));
}
HsInt
ghc_memcmp_off( HsAddr a1, HsInt i, HsAddr a2, HsInt len )
{
return (memcmp((char *)a1 + i, a2, len));
}
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