Remove the concept of stableRoots.
[ghc-hetmet.git] / rts / Linker.c
index 93fca03..d508216 100644 (file)
@@ -25,7 +25,6 @@
 #include "LinkerInternals.h"
 #include "RtsUtils.h"
 #include "Schedule.h"
-#include "Storage.h"
 #include "Sparks.h"
 #include "RtsTypeable.h"
 
 /* Hash table mapping symbol names to Symbol */
 static /*Str*/HashTable *symhash;
 
-typedef struct {
-  void *addr;
-} rootEntry;
-
 /* Hash table mapping symbol names to StgStablePtr */
 static /*Str*/HashTable *stablehash;
-rootEntry *root_ptr_table = NULL;
-static rootEntry *root_ptr_free = NULL;
 
 static unsigned int RPT_size = 0;
 
@@ -488,6 +481,7 @@ typedef struct _RtsSymbolVal {
       SymX(catchzh_fast)                       \
       SymX(catchRetryzh_fast)                  \
       SymX(catchSTMzh_fast)                    \
+      SymX(checkzh_fast)                        \
       SymX(closure_flags)                       \
       SymX(cmp_thread)                         \
       SymX(cmpIntegerzh_fast)                  \
@@ -797,6 +791,7 @@ static RtsSymbolVal rtsSyms[] = {
       RTS_POSIX_ONLY_SYMBOLS
       RTS_MINGW_ONLY_SYMBOLS
       RTS_CYGWIN_ONLY_SYMBOLS
+      RTS_DARWIN_ONLY_SYMBOLS
       RTS_LIBGCC_SYMBOLS
 #if defined(darwin_HOST_OS) && defined(i386_HOST_ARCH)
       // dyld stub code contains references to this,
@@ -808,92 +803,6 @@ static RtsSymbolVal rtsSyms[] = {
 };
 
 
-/* -----------------------------------------------------------------------------
- * Utilities for handling root pointers.
- * -------------------------------------------------------------------------- */
-
-
-#define INIT_RPT_SIZE 64
-
-STATIC_INLINE void
-initFreeList(rootEntry *table, nat n, rootEntry *free)
-{
-  rootEntry *p;
-
-  for (p = table + n - 1; p >= table; p--) {
-    p->addr   = (P_)free;
-    free = p;
-  }
-  root_ptr_free = table;
-}
-
-static void
-initRootPtrTable(void)
-{
-  if (RPT_size > 0)
-    return;
-
-  RPT_size = INIT_RPT_SIZE;
-  root_ptr_table = stgMallocBytes(RPT_size * sizeof(rootEntry),
-                                    "initRootPtrTable");
-
-  initFreeList(root_ptr_table,INIT_RPT_SIZE,NULL);
-}
-
-
-static void
-enlargeRootPtrTable(void)
-{
-  nat old_RPT_size = RPT_size;
-
-  // 2nd and subsequent times
-  RPT_size *= 2;
-  root_ptr_table =
-    stgReallocBytes(root_ptr_table,
-                    RPT_size * sizeof(rootEntry),
-                    "enlargeRootPtrTable");
-
-  initFreeList(root_ptr_table + old_RPT_size, old_RPT_size, NULL);
-}
-
-static void
-addRootObject(void *addr)
-{
-  StgWord rt;
-  initRootPtrTable();
-  if (root_ptr_free == NULL) {
-    enlargeRootPtrTable();
-  }
-
-  rt = root_ptr_free - root_ptr_table;
-  root_ptr_free  = (rootEntry*)(root_ptr_free->addr);
-  root_ptr_table[rt].addr = addr;
-}
-
-/* -----------------------------------------------------------------------------
- * Treat root pointers as roots for the garbage collector.
- * -------------------------------------------------------------------------- */
-
-void
-markRootPtrTable(evac_fn evac)
-{
-  rootEntry *p, *end_root_ptr_table;
-  StgPtr q;
-
-  end_root_ptr_table = &root_ptr_table[RPT_size];
-
-  for (p = root_ptr_table; p < end_root_ptr_table; p++) {
-    q = p->addr;
-
-    if (q && (q < (P_)root_ptr_table || q >= (P_)end_root_ptr_table)) {
-        evac((StgClosure **)p->addr);
-    }
-  }
-}
-
-/* -----------------------------------------------------------------------------
- * End of utilities for handling root pointers.
- * -------------------------------------------------------------------------- */
 
 
 /* -----------------------------------------------------------------------------
@@ -2492,14 +2401,14 @@ ocResolve_PEi386 ( ObjectCode* oc )
                    + sym->Value);
          } else {
             copyName ( sym->Name, strtab, symbol, 1000-1 );
-            (void*)S = lookupLocalSymbol( oc, symbol );
+            S = (UInt32) lookupLocalSymbol( oc, symbol );
             if ((void*)S != NULL) goto foundit;
-            (void*)S = lookupSymbol( symbol );
+            S = (UInt32) lookupSymbol( symbol );
             if ((void*)S != NULL) goto foundit;
             zapTrailingAtSign ( symbol );
-            (void*)S = lookupLocalSymbol( oc, symbol );
+            S = (UInt32) lookupLocalSymbol( oc, symbol );
             if ((void*)S != NULL) goto foundit;
-            (void*)S = lookupSymbol( symbol );
+            S = (UInt32) lookupSymbol( symbol );
             if ((void*)S != NULL) goto foundit;
            /* Newline first because the interactive linker has printed "linking..." */
             errorBelch("\n%s: unknown symbol `%s'", oc->fileName, symbol);
@@ -3283,7 +3192,6 @@ do_Elf_Rel_relocations ( ObjectCode* oc, char* ehdrC,
               S = (Elf_Addr)S_tmp;
             } else {
               stableVal = deRefStablePtr( stablePtr );
-              addRootObject((void*)P);
               S_tmp = stableVal;
               S = (Elf_Addr)S_tmp;
             }