/* -----------------------------------------------------------------------------
- * $Id: Storage.h,v 1.41 2002/02/14 17:21:50 sof Exp $
+ * $Id: Storage.h,v 1.42 2002/03/21 11:24:00 sebc Exp $
*
* (c) The GHC Team, 1998-1999
*
extern void* TEXT_SECTION_END_MARKER_DECL;
extern void* DATA_SECTION_END_MARKER_DECL;
+#ifdef darwin_TARGET_OS
+extern unsigned long macho_etext;
+extern unsigned long macho_edata;
+#define IS_CODE_PTR(p) ( ((P_)(p) < (P_)macho_etext) \
+ || is_dynamically_loaded_code_or_rodata_ptr((char *)p) )
+#define IS_DATA_PTR(p) ( ((P_)(p) >= (P_)macho_etext && \
+ (P_)(p) < (P_)macho_edata) \
+ || is_dynamically_loaded_rwdata_ptr((char *)p) )
+#define IS_USER_PTR(p) ( ((P_)(p) >= (P_)macho_edata) \
+ && is_not_dynamically_loaded_ptr((char *)p) )
+#else
/* Take into account code sections in dynamically loaded object files. */
#define IS_DATA_PTR(p) ( ((P_)(p) >= (P_)&TEXT_SECTION_END_MARKER && \
(P_)(p) < (P_)&DATA_SECTION_END_MARKER) \
|| is_dynamically_loaded_rwdata_ptr((char *)p) )
#define IS_USER_PTR(p) ( ((P_)(p) >= (P_)&DATA_SECTION_END_MARKER) \
&& is_not_dynamically_loaded_ptr((char *)p) )
+#endif
/* The HEAP_ALLOCED test below is called FOR EVERY SINGLE CLOSURE
* during GC. It needs to be FAST.
(MAX_INTLIKE-MIN_INTLIKE) * sizeof(StgIntCharlikeClosure)) )
#define LOOKS_LIKE_STATIC_CLOSURE(r) (((*(((unsigned long *)(r))-1)) == 0) || IS_CHARLIKE_CLOSURE(r) || IS_INTLIKE_CLOSURE(r))
+#elif defined(darwin_TARGET_OS) && defined(USE_MINIINTERPRETER)
+#define LOOKS_LIKE_STATIC(r) (!(HEAP_ALLOCED(r)))
+# define LOOKS_LIKE_STATIC_CLOSURE(r) \
+ (IS_DATA_PTR(r) && !LOOKS_LIKE_GHC_INFO(r))
#else
#define LOOKS_LIKE_STATIC(r) IS_DATA_PTR(r)
#define LOOKS_LIKE_STATIC_CLOSURE(r) IS_DATA_PTR(r)
/* LOOKS_LIKE_GHC_INFO is called moderately often during GC, but
* Certainly not as often as HEAP_ALLOCED.
*/
+#if defined(darwin_TARGET_OS) && defined(USE_MINIINTERPRETER)
+ /* Plan C, see above */
+# define LOOKS_LIKE_GHC_INFO(info) IS_CODE_PTR(((P_*)(info))[0])
+#else
#define LOOKS_LIKE_GHC_INFO(info) (!HEAP_ALLOCED(info) \
&& !LOOKS_LIKE_STATIC_CLOSURE(info))
+#endif
/* -----------------------------------------------------------------------------
Macros for calculating how big a closure will be (used during allocation)