[project @ 2003-11-17 14:31:55 by simonmar]

[ghc-hetmet.git] / ghc / compiler / main / Constants.lhs

diff --git a/ghc/compiler/main/Constants.lhs b/ghc/compiler/main/Constants.lhs
index f52c483..9d6a7cc 100644 (file)
--- a/ghc/compiler/main/Constants.lhs
+++ b/ghc/compiler/main/Constants.lhs
@@ -20,13 +20,13 @@ module Constants (
        sTD_HDR_SIZE,
        pROF_HDR_SIZE,
        gRAN_HDR_SIZE,
-       tICKY_HDR_SIZE,
        aRR_WORDS_HDR_SIZE,
        aRR_PTRS_HDR_SIZE,
         rESERVED_C_STACK_BYTES,
         rESERVED_STACK_WORDS,
 
        sTD_ITBL_SIZE,
+       rET_ITBL_SIZE,
        pROF_ITBL_SIZE,
        gRAN_ITBL_SIZE,
        tICKY_ITBL_SIZE,
@@ -34,16 +34,10 @@ module Constants (
        mAX_FAMILY_SIZE_FOR_VEC_RETURNS,
 
        uF_SIZE,
-       sCC_UF_SIZE,
+       pROF_UF_SIZE,
        gRAN_UF_SIZE,  -- HWL
        uF_RET,
-       uF_SU,
        uF_UPDATEE,
-       uF_CCS,
-
-       sEQ_FRAME_SIZE,
-       sCC_SEQ_FRAME_SIZE,
-       gRAN_SEQ_FRAME_SIZE, -- HWL
 
        mAX_Vanilla_REG,
        mAX_Float_REG,
@@ -55,8 +49,6 @@ module Constants (
        mAX_Real_Double_REG,
        mAX_Real_Long_REG,
 
-       oTHER_TAG,
-
        mAX_INTLIKE, mIN_INTLIKE,
        mAX_CHARLIKE, mIN_CHARLIKE,
 
@@ -67,10 +59,12 @@ module Constants (
        wORD64_SIZE,
        
        wORD_SIZE,
+       wORD_SIZE_IN_BITS,
 
        bLOCK_SIZE,
-       bLOCK_SIZE_W
+       bLOCK_SIZE_W,
 
+       bITMAP_BITS_SHIFT,
     ) where
 
 -- This magical #include brings in all the everybody-knows-these magic
@@ -82,6 +76,8 @@ module Constants (
 #include "../includes/config.h"
 #include "../includes/MachRegs.h"
 #include "../includes/Constants.h"
+#include "../includes/MachDeps.h"
+#include "../includes/DerivedConstants.h"
 
 -- import Util
 \end{code}
@@ -89,7 +85,8 @@ module Constants (
 All pretty arbitrary:
 
 \begin{code}
-mAX_TUPLE_SIZE = (37 :: Int)
+mAX_TUPLE_SIZE = (62 :: Int)   -- Should really match the number
+                               -- of decls in Data.Tuple
 mAX_CONTEXT_REDUCTION_DEPTH = (20 :: Int)
 \end{code}
 
@@ -109,13 +106,6 @@ mIN_UPD_SIZE                       = (MIN_UPD_SIZE::Int)
 mIN_SIZE_NonUpdHeapObject      = (MIN_NONUPD_SIZE::Int)
 \end{code}
 
-Constants for semi-tagging; the tags associated with the data
-constructors will start at 0 and go up.
-
-\begin{code}
-oTHER_TAG = (INFO_OTHER_TAG :: Integer)        -- (-1) unevaluated, probably
-\end{code}
-
 \begin{code}
 mIN_INTLIKE, mAX_INTLIKE :: Integer    -- Only used to compare with (MachInt Integer)
 mIN_INTLIKE = MIN_INTLIKE
@@ -147,27 +137,17 @@ mAX_FAMILY_SIZE_FOR_VEC_RETURNS = (MAX_VECTORED_RTN::Int)  -- pretty arbitrary
 -- If you change this, you may need to change runtimes/standard/Update.lhc
 
 -- The update frame sizes
-uF_SIZE        = (NOSCC_UF_SIZE::Int)
+uF_SIZE        = (STD_UF_SIZE::Int)
 
 -- Same again, with profiling
-sCC_UF_SIZE = (SCC_UF_SIZE::Int)
+pROF_UF_SIZE = (PROF_UF_SIZE::Int)
 
 -- Same again, with gransim
 gRAN_UF_SIZE = (GRAN_UF_SIZE::Int)
 
 -- Offsets in an update frame.  They don't change with profiling!
 uF_RET         = (UF_RET::Int)
-uF_SU          = (UF_SU::Int)
 uF_UPDATEE     = (UF_UPDATEE::Int)
-uF_CCS         = (UF_CCS::Int)
-\end{code}
-
-Seq frame sizes.
-
-\begin{code}
-sEQ_FRAME_SIZE = (NOSCC_SEQ_FRAME_SIZE::Int)
-sCC_SEQ_FRAME_SIZE = (SCC_SEQ_FRAME_SIZE::Int)
-gRAN_SEQ_FRAME_SIZE = (GRAN_SEQ_FRAME_SIZE::Int)
 \end{code}
 
 \begin{code}
@@ -192,7 +172,6 @@ Closure header sizes.
 sTD_HDR_SIZE       = (STD_HDR_SIZE       :: Int)
 pROF_HDR_SIZE      = (PROF_HDR_SIZE      :: Int)
 gRAN_HDR_SIZE      = (GRAN_HDR_SIZE      :: Int)
-tICKY_HDR_SIZE     = (TICKY_HDR_SIZE     :: Int)
 aRR_WORDS_HDR_SIZE = (ARR_WORDS_HDR_SIZE :: Int)
 aRR_PTRS_HDR_SIZE  = (ARR_PTRS_HDR_SIZE  :: Int)
 \end{code}
@@ -201,6 +180,7 @@ Info Table sizes.
 
 \begin{code}
 sTD_ITBL_SIZE   = (STD_ITBL_SIZE   :: Int)
+rET_ITBL_SIZE   = (RET_ITBL_SIZE   :: Int)
 pROF_ITBL_SIZE  = (PROF_ITBL_SIZE  :: Int)
 gRAN_ITBL_SIZE  = (GRAN_ITBL_SIZE  :: Int)
 tICKY_ITBL_SIZE = (TICKY_ITBL_SIZE :: Int)
@@ -209,9 +189,9 @@ tICKY_ITBL_SIZE = (TICKY_ITBL_SIZE :: Int)
 Size of a double in StgWords.
 
 \begin{code}
-dOUBLE_SIZE    = (DOUBLE_SIZE   :: Int)
-wORD64_SIZE    = (WORD64_SIZE   :: Int)
-iNT64_SIZE     = (INT64_SIZE   :: Int)
+dOUBLE_SIZE     = (SIZEOF_DOUBLE `quot` SIZEOF_HSWORD :: Int)
+wORD64_SIZE     = (8 `quot` SIZEOF_HSWORD :: Int)
+iNT64_SIZE      = wORD64_SIZE
 \end{code}
 
 This tells the native code generator the size of the spill
@@ -231,7 +211,8 @@ rESERVED_STACK_WORDS = (RESERVED_STACK_WORDS :: Int)
 Size of a word, in bytes
 
 \begin{code}
-wORD_SIZE = (WORD_SIZE :: Int)
+wORD_SIZE = (SIZEOF_HSWORD :: Int)
+wORD_SIZE_IN_BITS = wORD_SIZE * 8 :: Int
 \end{code}
 
 Size of a storage manager block (in bytes).
@@ -240,3 +221,9 @@ Size of a storage manager block (in bytes).
 bLOCK_SIZE = (BLOCK_SIZE :: Int)
 bLOCK_SIZE_W = (bLOCK_SIZE `div` wORD_SIZE :: Int)
 \end{code}
+
+Number of bits to shift a bitfield left by in an info table.
+
+\begin{code}
+bITMAP_BITS_SHIFT = (BITMAP_BITS_SHIFT :: Int)
+\end{code}