New implementation of BLACKHOLEs

[ghc-hetmet.git] / includes / Rts.h

diff --git a/includes/Rts.h b/includes/Rts.h
index 59c8c2d..d79e9ad 100644 (file)
--- a/includes/Rts.h
+++ b/includes/Rts.h
@@ -48,6 +48,29 @@ extern "C" {
 #define ATTRIBUTE_ALIGNED(n) /*nothing*/
 #endif
 
+// Symbols that are extern, but private to the RTS, are declared
+// with visibility "hidden" to hide them outside the RTS shared
+// library.
+#if !defined(mingw32_HOST_OS)
+#define RTS_PRIVATE  GNUC3_ATTRIBUTE(visibility("hidden"))
+#else
+#define RTS_PRIVATE  /* disabled: RTS_PRIVATE */
+#endif
+
+#if __GNUC__ > 4
+#define BEGIN_RTS_PRIVATE #pragma GCC visibility push(hidden)
+#define END_RTS_PRIVATE   #pragma GCC visibility pop
+#else
+#define BEGIN_RTS_PRIVATE /* disabled: BEGIN_RTS_PRIVATE */
+#define END_RTS_PRIVATE   /* disabled: END_RTS_PRIVATE */
+#endif
+
+#if __GNUC__ > 4
+#define RTS_UNLIKELY(p) __builtin_expect((p),0)
+#else
+#define RTS_UNLIKELY(p) p
+#endif
+
 /* Fix for mingw stat problem (done here so it's early enough) */
 #ifdef mingw32_HOST_OS
 #define __MSVCRT__ 1
@@ -83,10 +106,18 @@ void _assertFail(const char *filename, unsigned int linenum)
        else                                    \
            _assertFail(__FILE__, __LINE__)
 
+#define CHECKM(predicate, msg, ...)             \
+       if (predicate)                          \
+           /*null*/;                           \
+       else                                    \
+            barf(msg, ##__VA_ARGS__)
+
 #ifndef DEBUG
 #define ASSERT(predicate) /* nothing */
+#define ASSERTM(predicate,msg,...) /* nothing */
 #else
 #define ASSERT(predicate) CHECK(predicate)
+#define ASSERTM(predicate,msg,...) CHECKM(predicate,msg,##__VA_ARGS__)
 #endif /* DEBUG */
 
 /* 
@@ -120,9 +151,16 @@ void _assertFail(const char *filename, unsigned int linenum)
 #define FMT_Word64 "lu"
 #define FMT_Int64  "ld"
 #else
+#if defined(mingw32_HOST_OS)
+/* mingw doesn't understand %llu/%lld - it treats them as 32-bit
+   rather than 64-bit */
+#define FMT_Word64 "I64u"
+#define FMT_Int64  "I64d"
+#else
 #define FMT_Word64 "llu"
 #define FMT_Int64  "lld"
 #endif
+#endif
 
 /* -----------------------------------------------------------------------------
    Include everything STG-ish