[project @ 2001-03-23 16:36:20 by simonmar]

[ghc-hetmet.git] / ghc / rts / MBlock.h

diff --git a/ghc/rts/MBlock.h b/ghc/rts/MBlock.h
index 094c4fe..18fe052 100644 (file)
--- a/ghc/rts/MBlock.h
+++ b/ghc/rts/MBlock.h
@@ -1,9 +1,60 @@
 /* -----------------------------------------------------------------------------
- * $Id: MBlock.h,v 1.2 1998/12/02 13:28:30 simonm Exp $
+ * $Id: MBlock.h,v 1.8 2001/01/16 11:53:32 simonmar Exp $
+ *
+ * (c) The GHC Team, 1998-1999
  *
  * MegaBlock Allocator interface.
  *
  * ---------------------------------------------------------------------------*/
 
+extern lnat mblocks_allocated;
+
+#ifdef ENABLE_WIN32_DLL_SUPPORT
+extern int is_heap_alloced(const void* p);
+#endif
+
 extern void * getMBlock(void);
 extern void * getMBlocks(nat n);
+
+#if freebsd2_TARGET_OS || freebsd_TARGET_OS
+/* Executable is loaded from      0x0
+ * Shared libraries are loaded at 0x2000000
+ * Stack is at the top of the address space.  The kernel probably owns
+ * 0x8000000 onwards, so we'll pick 0x5000000.
+ */
+#define HEAP_BASE 0x50000000
+
+#elif netbsd_TARGET_OS
+/* NetBSD i386 shared libs are at 0x40000000
+ */
+#define HEAP_BASE 0x50000000
+#elif openbsd_TARGET_OS
+#define HEAP_BASE 0x50000000
+#elif linux_TARGET_OS
+/* Any ideas?
+ */
+#define HEAP_BASE 0x50000000
+
+#elif solaris2_TARGET_OS
+/* guess */
+#define HEAP_BASE 0x50000000
+
+#elif osf3_TARGET_OS
+/* guess */
+#define HEAP_BASE 0x50000000
+
+#elif hpux_TARGET_OS
+/* guess */
+#define HEAP_BASE 0x50000000
+
+#elif macosx_TARGET_OS
+/* guess */
+#define HEAP_BASE 0x50000000
+
+#elif _WIN32
+/* doesn't matter, we use a reserve/commit algorithm */
+
+#else
+#error Dont know where to get memory from on this architecture
+/* ToDo: memory locations on other architectures */
+#endif