X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=compiler%2FcodeGen%2FCgInfoTbls.hs;h=04a1403c3471bbb26f93cf2d45fd4016013e2bf5;hb=7d6dffe542bdad5707a929ae7ac25813c586766d;hp=f233cbb1c0b5f15c9febb2b1ef2239715962c435;hpb=49c98d143c382a1341e1046f5ca00819a25691ba;p=ghc-hetmet.git diff --git a/compiler/codeGen/CgInfoTbls.hs b/compiler/codeGen/CgInfoTbls.hs index f233cbb..04a1403 100644 --- a/compiler/codeGen/CgInfoTbls.hs +++ b/compiler/codeGen/CgInfoTbls.hs @@ -50,6 +50,8 @@ import ListSetOps import Maybes import Constants +import Outputable + ------------------------------------------------------------------------- -- -- Generating the info table and code for a closure @@ -87,7 +89,13 @@ emitClosureCodeAndInfoTable cl_info args body cl_type srt_len layout_lit ; blks <- cgStmtsToBlocks body - ; emitInfoTableAndCode info_lbl std_info extra_bits args blks } + + ; conName <- + if is_con + then mkStringCLit $ fromJust conIdentity + else return (mkIntCLit 0) + + ; emitInfoTableAndCode info_lbl std_info (extra_bits conName) args blks } where info_lbl = infoTableLabelFromCI cl_info @@ -100,24 +108,25 @@ emitClosureCodeAndInfoTable cl_info args body mb_con = isConstrClosure_maybe cl_info is_con = isJust mb_con - (srt_label,srt_len) + (srt_label,srt_len,conIdentity) = case mb_con of Just con -> -- Constructors don't have an SRT -- We keep the *zero-indexed* tag in the srt_len -- field of the info table. - (mkIntCLit 0, fromIntegral (dataConTagZ con)) + (mkIntCLit 0, fromIntegral (dataConTagZ con), Just $ dataConIdentity con) Nothing -> -- Not a constructor - srtLabelAndLength srt info_lbl + let (label, len) = srtLabelAndLength srt info_lbl + in (label, len, Nothing) ptrs = closurePtrsSize cl_info nptrs = size - ptrs size = closureNonHdrSize cl_info layout_lit = packHalfWordsCLit ptrs nptrs - extra_bits + extra_bits conName | is_fun = fun_extra_bits - | is_con = [] + | is_con = [conName] | needs_srt = [srt_label] | otherwise = [] @@ -202,18 +211,19 @@ retVec :: CmmExpr -> CmmExpr -> CmmExpr -- Get a return vector from the info pointer retVec info_amode zero_indexed_tag = let slot = vectorSlot info_amode zero_indexed_tag -#ifdef x86_64_TARGET_ARCH - tableEntry = CmmMachOp (MO_S_Conv I32 I64) [CmmLoad slot I32] + table_slot = CmmLoad slot wordRep +#if defined(x86_64_TARGET_ARCH) + offset_slot = CmmMachOp (MO_S_Conv I32 I64) [CmmLoad slot I32] -- offsets are 32-bits on x86-64, due to the inability of -- the tools to handle 64-bit PC-relative relocations. See also -- PprMach.pprDataItem, and InfoTables.h:OFFSET_FIELD(). #else - tableEntry = CmmLoad slot wordRep + offset_slot = table_slot #endif in if tablesNextToCode - then CmmMachOp (MO_Add wordRep) [tableEntry, info_amode] - else tableEntry - + then CmmMachOp (MO_Add wordRep) [offset_slot, info_amode] + else table_slot + emitReturnTarget :: Name -> CgStmts -- The direct-return code (if any)