[project @ 2000-05-25 12:41:14 by simonpj]

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

diff --git a/ghc/compiler/main/Constants.lhs b/ghc/compiler/main/Constants.lhs
index 4a2e0cd..771b513 100644 (file)
--- a/ghc/compiler/main/Constants.lhs
+++ b/ghc/compiler/main/Constants.lhs
@@ -14,8 +14,6 @@ module Constants (
        mAX_SPEC_SELECTEE_SIZE,
        mAX_SPEC_AP_SIZE,
 
-       tARGET_MIN_INT, tARGET_MAX_INT,
-
        mIN_UPD_SIZE,
        mIN_SIZE_NonUpdHeapObject,
 
@@ -25,6 +23,7 @@ module Constants (
        tICKY_HDR_SIZE,
        aRR_WORDS_HDR_SIZE,
        aRR_PTRS_HDR_SIZE,
+        rESERVED_C_STACK_BYTES,
 
        sTD_ITBL_SIZE,
        pROF_ITBL_SIZE,
@@ -65,6 +64,8 @@ module Constants (
        iNT64_SIZE,
        wORD64_SIZE,
        
+       bLOCK_SIZE,
+
        interfaceFileFormatVersion
 
     ) where
@@ -105,22 +106,6 @@ mIN_UPD_SIZE                       = (MIN_UPD_SIZE::Int)
 mIN_SIZE_NonUpdHeapObject      = (MIN_NONUPD_SIZE::Int)
 \end{code}
 
-If we're compiling with GHC (and we're not cross-compiling), then we
-know that minBound and maxBound :: Int are the right values for the
-target architecture.  Otherwise, we assume -2^31 and 2^31-1
-respectively (which will be wrong on a 64-bit machine).
-
-\begin{code}
-tARGET_MIN_INT, tARGET_MAX_INT :: Integer
-#if __GLASGOW_HASKELL__
-tARGET_MIN_INT = toInteger (minBound :: Int)
-tARGET_MAX_INT = toInteger (maxBound :: Int)
-#else
-tARGET_MIN_INT = -2147483648
-tARGET_MAX_INT =  2147483647
-#endif
-\end{code}
- 
 Constants for semi-tagging; the tags associated with the data
 constructors will start at 0 and go up.
 
@@ -222,10 +207,24 @@ wORD64_SIZE    = (WORD64_SIZE   :: Int)
 iNT64_SIZE     = (INT64_SIZE   :: Int)
 \end{code}
 
-The version of the interface file format we're
-using:
+The version of the interface file format we're using.  It's propagated
+here by a devious route from ghc/mk/version.mk.  See comments
+there for what it means.
 
 \begin{code}
 interfaceFileFormatVersion :: Int
 interfaceFileFormatVersion = HscIfaceFileVersion
 \end{code}
+
+This tells the native code generator the size of the spill
+area is has available.
+
+\begin{code}
+rESERVED_C_STACK_BYTES = (RESERVED_C_STACK_BYTES :: Int)
+\end{code}
+
+Size of a storage manager block (in bytes).
+
+\begin{code}
+bLOCK_SIZE = (BLOCK_SIZE :: Int)
+\end{code}