remove an optimisation that wasn't

[ghc-hetmet.git] / rts / Linker.c

diff --git a/rts/Linker.c b/rts/Linker.c
index 92c1197..878c86b 100644 (file)
--- a/rts/Linker.c
+++ b/rts/Linker.c
@@ -69,7 +69,15 @@
 #include <sys/wait.h>
 #endif
 
-#if defined(linux_HOST_OS) || defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS) || defined(darwin_HOST_OS)
+#if defined(linux_HOST_OS    ) || defined(freebsd_HOST_OS) || \
+    defined(dragonfly_HOST_OS) || defined(netbsd_HOST_OS ) || \
+    defined(openbsd_HOST_OS  ) || \
+    ( defined(darwin_HOST_OS ) && !defined(powerpc_HOST_ARCH) )
+/* Don't use mmap on powerpc-apple-darwin as mmap doesn't support
+ * reallocating but we need to allocate jump islands just after each
+ * object images. Otherwise relative branches to jump islands can fail
+ * due to 24-bits displacement overflow.
+ */
 #define USE_MMAP
 #include <fcntl.h>
 #include <sys/mman.h>
@@ -261,6 +269,7 @@ typedef struct _RtsSymbolVal {
       SymI_HasProto(unlockFile)                 \
       SymI_HasProto(signal_handlers)           \
       SymI_HasProto(stg_sig_install)           \
+      SymI_HasProto(rtsTimerSignal)             \
       SymI_NeedsProto(nocldstop)
 #endif
 
@@ -880,7 +889,7 @@ typedef struct _RtsSymbolVal {
       SymI_HasProto(rts_unlock)                                \
       SymI_HasProto(rts_unsafeGetMyCapability)          \
       SymI_HasProto(rtsSupportsBoundThreads)           \
-      SymI_HasProto(rts_isProfiled)                    \
+      SymI_HasProto(rts_isProfiled)                     \
       SymI_HasProto(setProgArgv)                       \
       SymI_HasProto(startupHaskell)                    \
       SymI_HasProto(shutdownHaskell)                   \
@@ -1960,6 +1969,9 @@ loadObj( char *path )
    int fd;
 #else
    FILE *f;
+#  if defined(darwin_HOST_OS)
+   int misalignment;
+#  endif
 #endif
    IF_DEBUG(linker, debugBelch("loadObj %s\n", path));