[project @ 2000-11-06 08:15:20 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 97d6a3a..f52c483 100644 (file)
--- a/ghc/compiler/main/Constants.lhs
+++ b/ghc/compiler/main/Constants.lhs
@@ -24,6 +24,7 @@ module Constants (
        aRR_WORDS_HDR_SIZE,
        aRR_PTRS_HDR_SIZE,
         rESERVED_C_STACK_BYTES,
+        rESERVED_STACK_WORDS,
 
        sTD_ITBL_SIZE,
        pROF_ITBL_SIZE,
@@ -57,6 +58,7 @@ module Constants (
        oTHER_TAG,
 
        mAX_INTLIKE, mIN_INTLIKE,
+       mAX_CHARLIKE, mIN_CHARLIKE,
 
        spRelToInt,
 
@@ -67,9 +69,7 @@ module Constants (
        wORD_SIZE,
 
        bLOCK_SIZE,
-       bLOCK_SIZE_W,
-
-       interfaceFileFormatVersion
+       bLOCK_SIZE_W
 
     ) where
 
@@ -120,6 +120,10 @@ oTHER_TAG = (INFO_OTHER_TAG :: Integer)    -- (-1) unevaluated, probably
 mIN_INTLIKE, mAX_INTLIKE :: Integer    -- Only used to compare with (MachInt Integer)
 mIN_INTLIKE = MIN_INTLIKE
 mAX_INTLIKE = MAX_INTLIKE
+
+mIN_CHARLIKE, mAX_CHARLIKE :: Int      -- Only used to compare with (MachChar Int)
+mIN_CHARLIKE = MIN_CHARLIKE
+mAX_CHARLIKE = MAX_CHARLIKE
 \end{code}
 
 A little function that abstracts the stack direction.  Note that most
@@ -210,20 +214,18 @@ wORD64_SIZE    = (WORD64_SIZE   :: Int)
 iNT64_SIZE     = (INT64_SIZE   :: Int)
 \end{code}
 
-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.
+This tells the native code generator the size of the spill
+area is has available.
 
 \begin{code}
-interfaceFileFormatVersion :: Int
-interfaceFileFormatVersion = HscIfaceFileVersion
+rESERVED_C_STACK_BYTES = (RESERVED_C_STACK_BYTES :: Int)
 \end{code}
 
-This tells the native code generator the size of the spill
-area is has available.
+The amount of (Haskell) stack to leave free for saving registers when
+returning to the scheduler.
 
 \begin{code}
-rESERVED_C_STACK_BYTES = (RESERVED_C_STACK_BYTES :: Int)
+rESERVED_STACK_WORDS = (RESERVED_STACK_WORDS :: Int)
 \end{code}
 
 Size of a word, in bytes