diff options
Diffstat (limited to 'compiler/GHC/CmmToAsm/Dwarf.hs')
| -rw-r--r-- | compiler/GHC/CmmToAsm/Dwarf.hs | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/compiler/GHC/CmmToAsm/Dwarf.hs b/compiler/GHC/CmmToAsm/Dwarf.hs index cdbbb9885a..9270a308a8 100644 --- a/compiler/GHC/CmmToAsm/Dwarf.hs +++ b/compiler/GHC/CmmToAsm/Dwarf.hs @@ -36,6 +36,7 @@ dwarfGen :: DynFlags -> ModLocation -> UniqSupply -> [DebugBlock] -> IO (SDoc, UniqSupply) dwarfGen _ _ us [] = return (empty, us) dwarfGen df modLoc us blocks = do + let platform = targetPlatform df -- Convert debug data structures to DWARF info records -- We strip out block information when running with -g0 or -g1. @@ -64,33 +65,33 @@ dwarfGen df modLoc us blocks = do haveSrc = any haveSrcIn procs -- .debug_abbrev section: Declare the format we're using - let abbrevSct = pprAbbrevDecls haveSrc + let abbrevSct = pprAbbrevDecls platform haveSrc -- .debug_info section: Information records on procedures and blocks let -- unique to identify start and end compilation unit .debug_inf (unitU, us') = takeUniqFromSupply us infoSct = vcat [ ptext dwarfInfoLabel <> colon - , dwarfInfoSection - , compileUnitHeader unitU - , pprDwarfInfo haveSrc dwarfUnit + , dwarfInfoSection platform + , compileUnitHeader platform unitU + , pprDwarfInfo platform haveSrc dwarfUnit , compileUnitFooter unitU ] -- .debug_line section: Generated mainly by the assembler, but we -- need to label it - let lineSct = dwarfLineSection $$ + let lineSct = dwarfLineSection platform $$ ptext dwarfLineLabel <> colon -- .debug_frame section: Information about the layout of the GHC stack let (framesU, us'') = takeUniqFromSupply us' - frameSct = dwarfFrameSection $$ + frameSct = dwarfFrameSection platform $$ ptext dwarfFrameLabel <> colon $$ - pprDwarfFrame (debugFrame framesU procs) + pprDwarfFrame platform (debugFrame framesU procs) -- .aranges section: Information about the bounds of compilation units let aranges' | gopt Opt_SplitSections df = map mkDwarfARange procs | otherwise = [DwarfARange lowLabel highLabel] - let aranges = dwarfARangesSection $$ pprDwarfARanges aranges' unitU + let aranges = dwarfARangesSection platform $$ pprDwarfARanges platform aranges' unitU return (infoSct $$ abbrevSct $$ lineSct $$ frameSct $$ aranges, us'') @@ -106,17 +107,17 @@ mkDwarfARange proc = DwarfARange start end -- | Header for a compilation unit, establishing global format -- parameters -compileUnitHeader :: Unique -> SDoc -compileUnitHeader unitU = sdocWithPlatform $ \plat -> +compileUnitHeader :: Platform -> Unique -> SDoc +compileUnitHeader platform unitU = let cuLabel = mkAsmTempLabel unitU -- sits right before initialLength field length = ppr (mkAsmTempEndLabel cuLabel) <> char '-' <> ppr cuLabel <> text "-4" -- length of initialLength field in vcat [ ppr cuLabel <> colon , text "\t.long " <> length -- compilation unit size , pprHalf 3 -- DWARF version - , sectionOffset (ptext dwarfAbbrevLabel) (ptext dwarfAbbrevLabel) + , sectionOffset platform (ptext dwarfAbbrevLabel) (ptext dwarfAbbrevLabel) -- abbrevs offset - , text "\t.byte " <> ppr (platformWordSizeInBytes plat) -- word size + , text "\t.byte " <> ppr (platformWordSizeInBytes platform) -- word size ] -- | Compilation unit footer, mainly establishing size of debug sections @@ -176,7 +177,7 @@ parent, B. -- | Generate DWARF info for a procedure debug block procToDwarf :: DynFlags -> DebugBlock -> DwarfInfo procToDwarf df prc - = DwarfSubprogram { dwChildren = map (blockToDwarf df) (dblBlocks prc) + = DwarfSubprogram { dwChildren = map blockToDwarf (dblBlocks prc) , dwName = case dblSourceTick prc of Just s@SourceNote{} -> sourceName s _otherwise -> showSDocDump df $ ppr $ dblLabel prc @@ -195,10 +196,10 @@ procToDwarf df prc goodParent _ = True -- | Generate DWARF info for a block -blockToDwarf :: DynFlags -> DebugBlock -> DwarfInfo -blockToDwarf df blk - = DwarfBlock { dwChildren = concatMap (tickToDwarf df) (dblTicks blk) - ++ map (blockToDwarf df) (dblBlocks blk) +blockToDwarf :: DebugBlock -> DwarfInfo +blockToDwarf blk + = DwarfBlock { dwChildren = concatMap tickToDwarf (dblTicks blk) + ++ map blockToDwarf (dblBlocks blk) , dwLabel = dblCLabel blk , dwMarker = marker } @@ -207,9 +208,9 @@ blockToDwarf df blk | Just _ <- dblPosition blk = Just $ mkAsmTempLabel $ dblLabel blk | otherwise = Nothing -- block was optimized out -tickToDwarf :: DynFlags -> Tickish () -> [DwarfInfo] -tickToDwarf _ (SourceNote ss _) = [DwarfSrcNote ss] -tickToDwarf _ _ = [] +tickToDwarf :: Tickish () -> [DwarfInfo] +tickToDwarf (SourceNote ss _) = [DwarfSrcNote ss] +tickToDwarf _ = [] -- | Generates the data for the debug frame section, which encodes the -- desired stack unwind behaviour for the debugger |