import CLabel
import Cmm
-import DynFlags
+import FastString
import Pretty
import Unique
+import Util
-- ----------------------------------------------------------------------------
-- * Top level
-- | LLVM module layout description for the host target
moduleLayout :: Doc
-moduleLayout =
-#ifdef i386_TARGET_ARCH
-
-#ifdef darwin_TARGET_OS
- (text "target datalayout = \"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128\"")
- $+$ (text "target triple = \"i386-apple-darwin9.8\"")
-#else
- (text "target datalayout = \"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32\"")
- $+$ (text "target triple = \"i386-linux-gnu\"")
+moduleLayout =
+#if i386_TARGET_ARCH
+
+#if darwin_TARGET_OS
+ text "target datalayout = \"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128\""
+ $+$ text "target triple = \"i386-apple-darwin9.8\""
+#elif mingw32_TARGET_OS
+ text "target datalayout = \"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32\""
+ $+$ text "target triple = \"i686-pc-win32\""
+#else /* Linux */
+ text "target datalayout = \"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32\""
+ $+$ text "target triple = \"i386-pc-linux-gnu\""
#endif
#else
-#ifdef x86_64_TARGET_ARCH
- (text "target datalayout = \"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128\"")
- $+$ (text "target triple = \"x86_64-linux-gnu\"")
+#ifdef x86_64_TARGET_ARCH
+ text "target datalayout = \"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128\""
+ $+$ text "target triple = \"x86_64-linux-gnu\""
#else /* Not i386 */
-- FIX: Other targets
#endif
+
-- | Header code for LLVM modules
pprLlvmHeader :: Doc
pprLlvmHeader = moduleLayout
--- | Pretty print LLVM code
-pprLlvmCmmTop :: DynFlags -> LlvmCmmTop -> Doc
-pprLlvmCmmTop dflags (CmmData _ lmdata)
- = vcat $ map (pprLlvmData dflags) lmdata
-
-pprLlvmCmmTop dflags (CmmProc info lbl _ (ListGraph blocks))
- = (
- let static = CmmDataLabel (entryLblToInfoLbl lbl) : info
- in if not (null info)
- then pprCmmStatic dflags static
- else empty
- ) $+$ (
- let link = if (externallyVisibleCLabel lbl)
- then ExternallyVisible else Internal
- funDec = llvmFunSig lbl link
- lmblocks = map (\(BasicBlock id stmts) -> LlvmBlock (getUnique id) stmts) blocks
- fun = LlvmFunction funDec [NoUnwind] lmblocks
- in ppLlvmFunction fun
- )
-
-- | Pretty print LLVM data code
-pprLlvmData :: DynFlags -> LlvmData -> Doc
-pprLlvmData _ (globals, types ) =
- let globals' = ppLlvmGlobals globals
+pprLlvmData :: LlvmData -> Doc
+pprLlvmData (globals, types) =
+ let tryConst (v, Just s ) = ppLlvmGlobal (v, Just s)
+ tryConst g@(_, Nothing) = ppLlvmGlobal g
+
types' = ppLlvmTypes types
+ globals' = vcat $ map tryConst globals
in types' $+$ globals'
+-- | Pretty print LLVM code
+pprLlvmCmmTop :: LlvmEnv -> Int -> LlvmCmmTop -> (Doc, [LlvmVar])
+pprLlvmCmmTop _ _ (CmmData _ lmdata)
+ = (vcat $ map pprLlvmData lmdata, [])
+
+pprLlvmCmmTop env count (CmmProc info lbl _ (ListGraph blks))
+ = let static = CmmDataLabel lbl : info
+ (idoc, ivar) = if not (null info)
+ then pprCmmStatic env count static
+ else (empty, [])
+ in (idoc $+$ (
+ let sec = mkLayoutSection (count + 1)
+ (lbl',sec') = if not (null info)
+ then (entryLblToInfoLbl lbl, sec)
+ else (lbl, Nothing)
+ link = if externallyVisibleCLabel lbl'
+ then ExternallyVisible
+ else Internal
+ funDec = llvmFunSig lbl' link
+ lmblocks = map (\(BasicBlock id stmts) ->
+ LlvmBlock (getUnique id) stmts) blks
+ fun = LlvmFunction funDec [NoUnwind] sec' lmblocks
+ in ppLlvmFunction fun
+ ), ivar)
+
+
-- | Pretty print CmmStatic
-pprCmmStatic :: DynFlags -> [CmmStatic] -> Doc
-pprCmmStatic dflags stat
- = let unres = genLlvmData dflags (Data,stat)
- (_, ldata) = resolveLlvmData dflags initLlvmEnv unres
- in pprLlvmData dflags ldata
+pprCmmStatic :: LlvmEnv -> Int -> [CmmStatic] -> (Doc, [LlvmVar])
+pprCmmStatic env count stat
+ = let unres = genLlvmData (Text, stat)
+ (_, (ldata, ltypes)) = resolveLlvmData env unres
+
+ setSection (gv@(LMGlobalVar s ty l _ _ c), d)
+ = let v = if l == Internal then [gv] else []
+ sec = mkLayoutSection count
+ in ((LMGlobalVar s ty l sec llvmInfAlign c, d), v)
+ setSection v = (v,[])
+
+ (ldata', llvmUsed) = mapAndUnzip setSection ldata
+ in (pprLlvmData (ldata', ltypes), concat llvmUsed)
+
+
+-- | Create an appropriate section declaration for subsection <n> of text
+-- WARNING: This technique could fail as gas documentation says it only
+-- supports up to 8192 subsections per section. Inspection of the source
+-- code and some test programs seem to suggest it supports more than this
+-- so we are hoping it does.
+mkLayoutSection :: Int -> LMSection
+mkLayoutSection n
+ = Just (fsLit $ ".text;.text " ++ show n ++ " #")
projects / ghc-hetmet.git / blobdiff