X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FRts.h;h=331840236469ea470316d2c3a9554a393185879c;hb=57fad22f920f13527a0e6f1ee26eb326580fcb1a;hp=59c8c2d3a6949bc631f3a4026900a35397f443ac;hpb=254528e32a007e508bb5967948ba02aa15c7e482;p=ghc-hetmet.git

diff --git a/includes/Rts.h b/includes/Rts.h
index 59c8c2d..3318402 100644
--- 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
@@ -120,9 +143,16 @@ 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