Fill out the osElfTarget definition

[ghc-hetmet.git] / compiler / utils / Platform.hs

diff --git a/compiler/utils/Platform.hs b/compiler/utils/Platform.hs
index b240a0b..f3749ca 100644 (file)
--- a/compiler/utils/Platform.hs
+++ b/compiler/utils/Platform.hs
@@ -9,11 +9,14 @@ module Platform (
         OS(..),
 
         defaultTargetPlatform,
+        target32Bit,
         osElfTarget
 )
 
 where
 
+import Panic
+
 #include "HsVersions.h"
 
 
@@ -52,13 +55,26 @@ data OS
         deriving (Show, Eq)
 
 
+target32Bit :: Platform -> Bool
+target32Bit p = case platformArch p of
+                ArchUnknown -> panic "Don't know if ArchUnknown is 32bit"
+                ArchX86     -> True
+                ArchX86_64  -> False
+                ArchPPC     -> True
+                ArchPPC_64  -> False
+                ArchSPARC   -> True
+
+
 -- | This predicates tells us whether the OS supports ELF-like shared libraries.
 osElfTarget :: OS -> Bool
-osElfTarget OSLinux   = True
-osElfTarget OSFreeBSD = True
-osElfTarget OSOpenBSD = True
+osElfTarget OSLinux    = True
+osElfTarget OSFreeBSD  = True
+osElfTarget OSOpenBSD  = True
 osElfTarget OSSolaris2 = True
-osElfTarget _         = False
+osElfTarget OSDarwin   = False
+osElfTarget OSMinGW32  = False
+osElfTarget OSUnknown  = panic "Don't know if OSUnknown is elf"
+
 
 -- | This is the target platform as far as the #ifdefs are concerned.
 --      These are set in includes/ghcplatform.h by the autoconf scripts