Make the threaded RTS compilable using -fasm

We needed to turn some inline C functions and C macros into either
real C functions or C-- macros.

3 files changed, 35 insertions, 1 deletions

diff --git a/includes/Cmm.h b/includes/Cmm.h
index 4a4d0eab77..c238a84238 100644
--- a/includes/Cmm.h
+++ b/includes/Cmm.h
@@ -273,6 +273,8 @@
 #include "DerivedConstants.h"
 #include "ClosureTypes.h"
 #include "StgFun.h"
+#include "OSThreads.h"
+#include "SMP.h"
 
 /*
  * Need MachRegs, because some of the RTS code is conditionally
diff --git a/includes/OSThreads.h b/includes/OSThreads.h
index fd50642313..32429b5794 100644
--- a/includes/OSThreads.h
+++ b/includes/OSThreads.h
@@ -14,6 +14,14 @@
 
 # if defined(HAVE_PTHREAD_H) && !defined(WANT_NATIVE_WIN32_THREADS)
 
+#if CMINUSMINUS
+
+#define ACQUIRE_LOCK(mutex) pthread_mutex_lock(mutex)
+#define RELEASE_LOCK(mutex) pthread_mutex_unlock(mutex)
+#define ASSERT_LOCK_HELD(mutex) /* nothing */
+
+#else
+
 #include <pthread.h>
 
 typedef pthread_cond_t  Condition;
@@ -68,6 +76,8 @@ typedef pthread_key_t   ThreadLocalKey;
 
 #endif
 
+#endif // CMINUSMINUS
+
 # elif defined(HAVE_WINDOWS_H)
 #include <windows.h>
 
@@ -137,6 +147,8 @@ typedef HANDLE Mutex;
 #  error "Threads not supported"
 # endif
 
+
+#ifndef CMINUSMINUS
 //
 // General thread operations
 //
@@ -174,6 +186,8 @@ void *getThreadLocalVar (ThreadLocalKey *key);
 void  setThreadLocalVar (ThreadLocalKey *key, void *value);
 void  freeThreadLocalKey (ThreadLocalKey *key);
 
+#endif // !CMINUSMINUS
+
 #else
 
 #define ACQUIRE_LOCK(l)
diff --git a/includes/SMP.h b/includes/SMP.h
index 74fbf9ad2d..f574ec8100 100644
--- a/includes/SMP.h
+++ b/includes/SMP.h
@@ -16,6 +16,14 @@
  *      Unregisterised builds are ok, but only 1 CPU supported.
  */
 
+#ifdef CMINUSMINUS
+
+#define unlockClosure(ptr,info)                 \
+    prim %write_barrier() [];                   \
+    StgHeader_info(ptr) = info;    
+
+#else
+
 #if defined(THREADED_RTS)
 
 #if  defined(TICKY_TICKY)
@@ -175,7 +183,15 @@ write_barrier(void) {
 
 #define SPIN_COUNT 4000
 
-INLINE_HEADER StgInfoTable *
+#ifdef KEEP_LOCKCLOSURE
+// We want a callable copy of lockClosure() so that we can refer to it
+// from .cmm files compiled using the native codegen.
+extern StgInfoTable *lockClosure(StgClosure *p);
+INLINE_ME
+#else
+INLINE_HEADER
+#endif
+StgInfoTable *
 lockClosure(StgClosure *p)
 {
     StgWord info;
@@ -323,3 +339,5 @@ INLINE_HEADER void unlockTSO(StgTSO *tso)
 { unlockClosure((StgClosure*)tso, (StgInfoTable*)&stg_TSO_info); }
 
 #endif /* SMP_H */
+
+#endif /* CMINUSMINUS */