X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FRtsStartup.c;h=266c04808d863c82c58c435f77a31702bc0b4cdf;hb=159fdb19228cfb04c3fd871ab3f41f8ef7984b58;hp=b0cddbd18fa99343f5308343191b8f92fb78ffab;hpb=243c043271d295c98ac0f69b4bc8fccca3b61d2d;p=ghc-hetmet.git

diff --git a/rts/RtsStartup.c b/rts/RtsStartup.c
index b0cddbd..266c048 100644
--- a/rts/RtsStartup.c
+++ b/rts/RtsStartup.c
@@ -69,8 +69,8 @@ void exitLinker( void );	// there is no Linker.h file to include
 static int hs_init_count = 0;
 
 /* -----------------------------------------------------------------------------
-   Initialise floating point unit on x86 (currently disabled. why?)
-   (see comment in ghc/compiler/nativeGen/MachInstrs.lhs).
+   Initialise floating point unit on x86 (currently disabled; See Note
+   [x86 Floating point precision] in compiler/nativeGen/X86/Instr.hs)
    -------------------------------------------------------------------------- */
 
 #define X86_INIT_FPU 0
@@ -119,12 +119,6 @@ hs_init(int *argc, char **argv[])
      */
     stat_startInit();
 
-#if defined(DEBUG)
-    /* Start off by initialising the allocator debugging so we can
-     * use it anywhere */
-    initAllocator();
-#endif
-
     /* Set the RTS flags to default values. */
 
     initRtsFlagsDefaults();
@@ -351,6 +345,11 @@ hs_exit_(rtsBool wait_foreign)
     
     OnExitHook();
 
+    // sanity check
+#if defined(DEBUG)
+    checkFPUStack();
+#endif
+
     // Free the full argv storage
     freeFullProgArgv();
 
@@ -450,13 +449,11 @@ hs_exit_(rtsBool wait_foreign)
     /* free hash table storage */
     exitHashTable();
 
-    // Finally, free all our storage
-    freeStorage();
-
-#if defined(DEBUG)
-    /* and shut down the allocator debugging */
-    shutdownAllocator();
-#endif
+    // Finally, free all our storage.  However, we only free the heap
+    // memory if we have waited for foreign calls to complete;
+    // otherwise a foreign call in progress may still be referencing
+    // heap memory (e.g. by being passed a ByteArray#).
+    freeStorage(wait_foreign);
 
 }