Update the panic msg from #1257 to be an ordinary error, not a panic

[ghc-hetmet.git] / compiler / ghci / ByteCodeItbls.lhs

diff --git a/compiler/ghci/ByteCodeItbls.lhs b/compiler/ghci/ByteCodeItbls.lhs
index 2973c03..730e4de 100644 (file)
--- a/compiler/ghci/ByteCodeItbls.lhs
+++ b/compiler/ghci/ByteCodeItbls.lhs
@@ -22,6 +22,7 @@ import Constants      ( mIN_PAYLOAD_SIZE, wORD_SIZE )
 import CgHeapery       ( mkVirtHeapOffsets )
 import FastString      ( FastString(..) )
 import Util             ( lengthIs, listLengthCmp )
+import Outputable
 
 import Foreign
 import Foreign.C
@@ -32,7 +33,8 @@ import GHC.Exts               ( Int(I#), addr2Int# )
 import GHC.Ptr         ( Ptr(..) )
 import GHC.Prim
 
-import Outputable
+import Debug.Trace
+import Text.Printf
 \end{code}
 
 %************************************************************************
@@ -48,9 +50,12 @@ itblCode :: ItblPtr -> Ptr ()
 itblCode (ItblPtr ptr)
    = (castPtr ptr)
 #ifdef GHCI_TABLES_NEXT_TO_CODE
-                 `plusPtr` (3 * wORD_SIZE)
+                 `plusPtr` conInfoTableSizeB
 #endif
 
+-- XXX bogus
+conInfoTableSizeB = 3 * wORD_SIZE
+
 type ItblEnv = NameEnv (Name, ItblPtr)
        -- We need the Name in the range so we know which
        -- elements to filter out when unloading a module
@@ -112,7 +117,7 @@ make_constr_itbls cons
                          , code  = code
 #endif
                         }
-           qNameCString <- newCString $ dataConIdentity dcon 
+           qNameCString <- newArray0 0 $ dataConIdentity dcon 
            let conInfoTbl = StgConInfoTable {
                                  conDesc = qNameCString,
                                  infoTable = itbl
@@ -268,7 +273,7 @@ type HalfWord = Word16
 #endif
 
 data StgConInfoTable = StgConInfoTable {
-   conDesc   :: CString,
+   conDesc   :: Ptr Word8,
    infoTable :: StgInfoTable
 }
 
@@ -290,7 +295,7 @@ instance Storable StgConInfoTable where
               StgConInfoTable 
               { 
 #ifdef GHCI_TABLES_NEXT_TO_CODE
-                conDesc   = castPtr $ ptr `plusPtr` wORD_SIZE `plusPtr` desc
+                conDesc   = castPtr $ ptr `plusPtr` conInfoTableSizeB `plusPtr` desc
 #else
                 conDesc   = desc
 #endif
@@ -299,7 +304,7 @@ instance Storable StgConInfoTable where
    poke ptr itbl 
       = runState (castPtr ptr) $ do
 #ifdef GHCI_TABLES_NEXT_TO_CODE
-           store (conDesc itbl `minusPtr` (ptr `plusPtr` wORD_SIZE))
+           store (conDesc itbl `minusPtr` (ptr `plusPtr` conInfoTableSizeB))
 #endif
            store (infoTable itbl)
 #ifndef GHCI_TABLES_NEXT_TO_CODE