[project @ 2001-07-24 04:35:36 by ken]

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

diff --git a/ghc/rts/MBlock.h b/ghc/rts/MBlock.h
index fc23a1e..27bc859 100644 (file)
--- a/ghc/rts/MBlock.h
+++ b/ghc/rts/MBlock.h
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: MBlock.h,v 1.6 1999/05/04 10:19:16 sof Exp $
+ * $Id: MBlock.h,v 1.9 2001/06/29 16:58:06 sewardj Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -15,3 +15,46 @@ extern int is_heap_alloced(const void* p);
 
 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 defined(mingw32_TARGET_OS) || defined(cygwin32_TARGET_OS)
+/* 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