[project @ 2003-07-21 15:14:18 by ross]

[ghc-hetmet.git] / ghc / compiler / parser / hschooks.c

diff --git a/ghc/compiler/parser/hschooks.c b/ghc/compiler/parser/hschooks.c
index b630191..ee43bf7 100644 (file)
--- a/ghc/compiler/parser/hschooks.c
+++ b/ghc/compiler/parser/hschooks.c
@@ -3,46 +3,105 @@ These routines customise the error messages
 for various bits of the RTS.  They are linked
 in instead of the defaults.
 */
-#include <stdio.h>
 
-#define W_ unsigned long int
-#define I_ long int
+#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
-ErrorHdrHook (FILE *where)
+defaultsHook (void)
 {
-    fprintf(where, "\n"); /* no "Fail: " */
+    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
-OutOfHeapHook (W_ request_size, W_ heap_size)  /* both in bytes */
+setHeapSize( HsInt size )
 {
-    fprintf(stderr, "GHC's heap exhausted;\nwhile trying to allocate %lu bytes in a %lu-byte heap;\nuse the `-H<size>' option to increase the total heap size.\n",
-       request_size,
-       heap_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
-StackOverflowHook (I_ stack_size)    /* in bytes */
+PreTraceHook (long fd)
 {
-    fprintf(stderr, "GHC stack-space overflow: current size %ld bytes.\nUse the `-K<size>' option to increase it.\n", stack_size);
+    const char msg[]="\n";
+    write(fd,msg,sizeof(msg)-1);
 }
 
 void
-PatErrorHdrHook (FILE *where)
+PostTraceHook (long fd)
 {
-    fprintf(where, "\n*** Pattern-matching error within GHC!\n\nThis is a compiler bug; please report it to glasgow-haskell-bugs@dcs.glasgow.ac.uk.\n\nFail: ");
+#if 0
+    const char msg[]="\n";
+    write(fd,msg,sizeof(msg)-1);
+#endif
 }
 
 void
-PreTraceHook (FILE *where)
+OutOfHeapHook (unsigned long request_size/* always zero these days */, 
+              unsigned long heap_size)
+    /* both in bytes */
 {
-    fprintf(where, "\n"); /* not "Trace On" */
+    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
-PostTraceHook (FILE *where)
+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 )
 {
-    fprintf(where, "\n"); /* not "Trace Off" */
+    return (memcmp((char *)a1 + i, a2, len));
 }