X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FllvmGen%2FLlvmCodeGen%2FPpr.hs;h=911592bc2053f3e99481bc5ac797173c84abc36d;hb=6f66d02c9654fc037db0582857acdcc15e0fd1d3;hp=6c65f184a5f503ff62f9312516ff443c5948d78d;hpb=5d2f6a5323df8586c6534a50ebd6f06f1bf19109;p=ghc-hetmet.git diff --git a/compiler/llvmGen/LlvmCodeGen/Ppr.hs b/compiler/llvmGen/LlvmCodeGen/Ppr.hs index 6c65f18..911592b 100644 --- a/compiler/llvmGen/LlvmCodeGen/Ppr.hs +++ b/compiler/llvmGen/LlvmCodeGen/Ppr.hs @@ -3,7 +3,7 @@ -- module LlvmCodeGen.Ppr ( - pprLlvmHeader, pprLlvmCmmTop, pprLlvmData + pprLlvmHeader, pprLlvmCmmTop, pprLlvmData, infoSection, iTableSuf ) where #include "HsVersions.h" @@ -13,13 +13,14 @@ import LlvmCodeGen.Base import LlvmCodeGen.Data import CLabel -import Cmm +import OldCmm import FastString import qualified Outputable import Pretty import Unique + -- ---------------------------------------------------------------------------- -- * Top level -- @@ -81,7 +82,7 @@ pprLlvmCmmTop :: LlvmEnv -> Int -> LlvmCmmTop -> (Doc, [LlvmVar]) pprLlvmCmmTop _ _ (CmmData _ lmdata) = (vcat $ map pprLlvmData lmdata, []) -pprLlvmCmmTop env count (CmmProc info lbl _ (ListGraph blks)) +pprLlvmCmmTop env count (CmmProc info lbl (ListGraph blks)) = let static = CmmDataLabel lbl : info (idoc, ivar) = if not (null info) then pprInfoTable env count lbl static @@ -110,7 +111,7 @@ pprInfoTable env count lbl stat setSection ((LMGlobalVar _ ty l _ _ c), d) = let sec = mkLayoutSection count ilabel = strCLabel_llvm (entryLblToInfoLbl lbl) - `appendFS` (fsLit "_itable") + `appendFS` fsLit iTableSuf gv = LMGlobalVar ilabel ty l sec llvmInfAlign c v = if l == Internal then [gv] else [] in ((gv, d), v) @@ -121,6 +122,11 @@ pprInfoTable env count lbl stat then Outputable.panic "LlvmCodeGen.Ppr: invalid info table!" else (pprLlvmData ([ldata'], ltypes), llvmUsed) +-- | We generate labels for info tables by converting them to the same label +-- as for the entry code but adding this string as a suffix. +iTableSuf :: String +iTableSuf = "_itable" + -- | Create an appropriate section declaration for subsection of text -- WARNING: This technique could fail as gas documentation says it only @@ -129,12 +135,21 @@ pprInfoTable env count lbl stat -- so we are hoping it does. mkLayoutSection :: Int -> LMSection mkLayoutSection n -#if darwin_TARGET_OS -- On OSX we can't use the GNU Assembler, we must use the OSX assembler, which -- doesn't support subsections. So we post process the assembly code, this -- section specifier will be replaced with '.text' by the mangler. - = Just (fsLit $ "__STRIP,__me" ++ show n) + = Just (fsLit $ infoSection ++ show n +#if darwin_TARGET_OS + ) +#else + ++ "#") +#endif + +-- | The section we are putting info tables and their entry code into +infoSection :: String +#if darwin_TARGET_OS +infoSection = "__STRIP,__me" #else - = Just (fsLit $ ".text; .text " ++ show n ++ " #") +infoSection = ".text; .text " #endif