Make comparison on equalities work right (ie look at the types)

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

diff --git a/rts/Linker.c b/rts/Linker.c
index d1550e1..a9c145b 100644 (file)
--- a/rts/Linker.c
+++ b/rts/Linker.c
@@ -27,6 +27,7 @@
 #include "Schedule.h"
 #include "Sparks.h"
 #include "RtsTypeable.h"
+#include "Timer.h"
 
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -59,12 +60,12 @@
 #include <sys/wait.h>
 #endif
 
-#if defined(ia64_HOST_ARCH) || defined(openbsd_HOST_OS) || defined(linux_HOST_OS) || defined(freebsd_HOST_OS)
+#if defined(ia64_HOST_ARCH) || defined(linux_HOST_OS) || defined(freebsd_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS)
 #define USE_MMAP
 #include <fcntl.h>
 #include <sys/mman.h>
 
-#if defined(openbsd_HOST_OS) || defined(linux_HOST_OS) || defined(freebsd_HOST_OS)
+#if defined(linux_HOST_OS) || defined(freebsd_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS)
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
@@ -703,6 +704,7 @@ typedef struct _RtsSymbolVal {
       SymX(stackOverflow)                      \
       SymX(stg_CAF_BLACKHOLE_info)             \
       SymX(awakenBlockedQueue)                 \
+      SymX(startTimer)                          \
       SymX(stg_CHARLIKE_closure)               \
       SymX(stg_MVAR_CLEAN_info)                        \
       SymX(stg_MVAR_DIRTY_info)                        \
@@ -768,6 +770,7 @@ typedef struct _RtsSymbolVal {
       SymX(stg_upd_frame_info)                 \
       SymX(suspendThread)                      \
       SymX(takeMVarzh_fast)                    \
+      SymX(threadStatuszh_fast)                        \
       SymX(timesIntegerzh_fast)                        \
       SymX(tryPutMVarzh_fast)                  \
       SymX(tryTakeMVarzh_fast)                 \
@@ -1018,7 +1021,9 @@ addDLL( char *dll_name )
 
    initLinker();
 
-   hdl= dlopen(dll_name, RTLD_NOW | RTLD_GLOBAL);
+   // omitted: RTLD_NOW
+   // see http://www.haskell.org/pipermail/cvs-ghc/2007-September/038570.html
+   hdl= dlopen(dll_name, RTLD_LAZY | RTLD_GLOBAL);
 
    if (hdl == NULL) {
       /* dlopen failed; return a ptr to the error msg. */
@@ -1173,23 +1178,6 @@ lookupSymbol( char *lbl )
     }
 }
 
-static
-__attribute((unused))
-void *
-lookupLocalSymbol( ObjectCode* oc, char *lbl )
-{
-    void *val;
-    initLinker() ;
-    val = lookupStrHashTable(oc->lochash, lbl);
-
-    if (val == NULL) {
-        return NULL;
-    } else {
-       return val;
-    }
-}
-
-
 /* -----------------------------------------------------------------------------
  * Debugging aid: look in GHCi's object symbol tables for symbols
  * within DELTA bytes of the specified address, and show their names.
@@ -1211,11 +1199,7 @@ void ghci_enquire ( char* addr )
       for (i = 0; i < oc->n_symbols; i++) {
          sym = oc->symbols[i];
          if (sym == NULL) continue;
-         // debugBelch("enquire %p %p\n", sym, oc->lochash);
          a = NULL;
-         if (oc->lochash != NULL) {
-            a = lookupStrHashTable(oc->lochash, sym);
-        }
          if (a == NULL) {
             a = lookupStrHashTable(symhash, sym);
         }
@@ -1300,7 +1284,6 @@ loadObj( char *path )
    oc->fileSize          = st.st_size;
    oc->symbols           = NULL;
    oc->sections          = NULL;
-   oc->lochash           = allocStrHashTable();
    oc->proddables        = NULL;
 
    /* chain it onto the list of objects */
@@ -1509,9 +1492,6 @@ unloadObj( char *path )
            stgFree(oc->fileName);
            stgFree(oc->symbols);
            stgFree(oc->sections);
-           /* The local hash table should have been freed at the end
-               of the ocResolve_ call on it. */
-            ASSERT(oc->lochash == NULL);
            stgFree(oc);
            return 1;
        }
@@ -2529,13 +2509,9 @@ ocResolve_PEi386 ( ObjectCode* oc )
                    + sym->Value);
          } else {
             copyName ( sym->Name, strtab, symbol, 1000-1 );
-            S = (UInt32) lookupLocalSymbol( oc, symbol );
-            if ((void*)S != NULL) goto foundit;
             S = (UInt32) lookupSymbol( symbol );
             if ((void*)S != NULL) goto foundit;
             zapTrailingAtSign ( symbol );
-            S = (UInt32) lookupLocalSymbol( oc, symbol );
-            if ((void*)S != NULL) goto foundit;
             S = (UInt32) lookupSymbol( symbol );
             if ((void*)S != NULL) goto foundit;
            /* Newline first because the interactive linker has printed "linking..." */
@@ -3163,7 +3139,7 @@ ocGetNames_ELF ( ObjectCode* oc )
                if (ELF_ST_TYPE(stab[j].st_info) == STT_FUNC)
                    ad = (char *)allocateFunctionDesc((Elf_Addr)ad);
 #endif
-               IF_DEBUG(linker,debugBelch( "addOTabName(GLOB): %10p  %s %s",
+               IF_DEBUG(linker,debugBelch( "addOTabName(GLOB): %10p  %s %s\n",
                                       ad, oc->fileName, nm ));
                isLocal = FALSE;
             }
@@ -3625,10 +3601,6 @@ ocResolve_ELF ( ObjectCode* oc )
       }
    }
 
-   /* Free the local symbol table; we won't need it again. */
-   freeHashTable(oc->lochash, NULL);
-   oc->lochash = NULL;
-
 #if defined(powerpc_HOST_ARCH)
    ocFlushInstructionCache( oc );
 #endif
@@ -3907,8 +3879,6 @@ static int resolveImports(
        if((symbol->n_type & N_TYPE) == N_UNDF
            && (symbol->n_type & N_EXT) && (symbol->n_value != 0))
            addr = (void*) (symbol->n_value);
-       else if((addr = lookupLocalSymbol(oc,nm)) != NULL)
-           ;
        else
            addr = lookupSymbol(nm);
        if(!addr)
@@ -4555,10 +4525,6 @@ static int ocResolve_MachO(ObjectCode* oc)
            return 0;
     }
 
-    /* Free the local symbol table; we won't need it again. */
-    freeHashTable(oc->lochash, NULL);
-    oc->lochash = NULL;
-
 #if defined (powerpc_HOST_ARCH)
     ocFlushInstructionCache( oc );
 #endif