X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fcmm%2FCLabel.hs;h=d96d416dec49be7614ac6392074188c52e88531b;hp=b6150e29f83b0e9d69be28a75b2b936a70102205;hb=d50e93cf95b68bf858be82025b56c9977335ed76;hpb=015675fcda6dc9b92ff9f17a84162f544a217563

diff --git a/compiler/cmm/CLabel.hs b/compiler/cmm/CLabel.hs
index b6150e2..d96d416 100644
--- a/compiler/cmm/CLabel.hs
+++ b/compiler/cmm/CLabel.hs
@@ -2,7 +2,7 @@
 --
 -- Object-file symbols (called CLabel for histerical raisins).
 --
--- (c) The University of Glasgow 2004
+-- (c) The University of Glasgow 2004-2006
 --
 -----------------------------------------------------------------------------
 
@@ -93,6 +93,10 @@ module CLabel (
         mkPicBaseLabel,
         mkDeadStripPreventer,
 
+        mkHpcTicksLabel,
+        mkHpcModuleNameLabel,
+        mkHpcModuleOffsetLabel,
+
 	infoLblToEntryLbl, entryLblToInfoLbl,
 	needsCDecl, isAsmTemp, externallyVisibleCLabel,
 	CLabelType(..), labelType, labelDynamic,
@@ -103,16 +107,16 @@ module CLabel (
 
 #include "HsVersions.h"
 
-import StaticFlags	( opt_Static, opt_DoTickyProfiling )
-import Packages		( isDllName )
-import DataCon		( ConTag )
-import PackageConfig	( PackageId )
-import Module		( Module, modulePackageId )
-import Name		( Name, isExternalName )
-import Unique		( pprUnique, Unique )
-import PrimOp		( PrimOp )
-import Config		( cLeadingUnderscore )
-import CostCentre	( CostCentre, CostCentreStack )
+import StaticFlags
+import Packages
+import DataCon
+import PackageConfig
+import Module
+import Name
+import Unique
+import PrimOp
+import Config
+import CostCentre
 import Outputable
 import FastString
 
@@ -205,6 +209,10 @@ data CLabel
   | DeadStripPreventer CLabel
     -- label before an info table to prevent excessive dead-stripping on darwin
 
+  | HpcTicksLabel Module       -- Per-module table of tick locations
+  | HpcModuleNameLabel         -- Per-module name of the module for Hpc
+  | HpcModuleOffsetLabel Module-- Per-module offset of the module for Hpc (dynamically generated)
+
   deriving (Eq, Ord)
 
 data IdLabelInfo
@@ -402,6 +410,12 @@ mkRtsApFastLabel str = RtsLabel (RtsApFast str)
 mkRtsSlowTickyCtrLabel :: String -> CLabel
 mkRtsSlowTickyCtrLabel pat = RtsLabel (RtsSlowTickyCtr pat)
 
+        -- Coverage
+
+mkHpcTicksLabel                = HpcTicksLabel
+mkHpcModuleNameLabel           = HpcModuleNameLabel
+mkHpcModuleOffsetLabel         = HpcModuleOffsetLabel
+
         -- Dynamic linking
         
 mkDynamicLinkerLabel :: DynamicLinkerLabelInfo -> CLabel -> CLabel
@@ -473,6 +487,9 @@ needsCDecl (RtsLabel _)			= False
 needsCDecl (ForeignLabel _ _ _)		= False
 needsCDecl (CC_Label _)			= True
 needsCDecl (CCS_Label _)		= True
+needsCDecl (HpcTicksLabel _)            = True
+needsCDecl (HpcModuleOffsetLabel _)     = True
+needsCDecl HpcModuleNameLabel           = False
 
 -- Whether the label is an assembler temporary:
 
@@ -501,6 +518,9 @@ externallyVisibleCLabel (DynIdLabel name _)  = isExternalName name
 externallyVisibleCLabel (CC_Label _)	   = True
 externallyVisibleCLabel (CCS_Label _)	   = True
 externallyVisibleCLabel (DynamicLinkerLabel _ _)  = False
+externallyVisibleCLabel (HpcTicksLabel _)   = True
+externallyVisibleCLabel (HpcModuleOffsetLabel _)  = True
+externallyVisibleCLabel HpcModuleNameLabel      = False
 
 -- -----------------------------------------------------------------------------
 -- Finding the "type" of a CLabel 
@@ -761,6 +781,15 @@ pprCLbl (ModuleInitLabel mod way _)
 pprCLbl (PlainModuleInitLabel mod _)	
    = ptext SLIT("__stginit_") <> ppr mod
 
+pprCLbl (HpcTicksLabel mod)
+  = ptext SLIT("_hpc_tickboxes_")  <> ppr mod <> ptext SLIT("_hpc")
+
+pprCLbl (HpcModuleOffsetLabel mod)
+  = ptext SLIT("_hpc_module_offset_")  <> ppr mod <> ptext SLIT("_hpc")
+
+pprCLbl HpcModuleNameLabel
+  = ptext SLIT("_hpc_module_name_str")
+
 ppIdFlavor :: IdLabelInfo -> SDoc
 ppIdFlavor x = pp_cSEP <>
 	       (case x of
@@ -804,7 +833,14 @@ asmTempLabelPrefix =
 
 pprDynamicLinkerAsmLabel :: DynamicLinkerLabelInfo -> CLabel -> SDoc
 
-#if darwin_TARGET_OS
+#if x86_64_TARGET_ARCH && darwin_TARGET_OS
+pprDynamicLinkerAsmLabel GotSymbolPtr lbl
+  = pprCLabel lbl <> text "@GOTPCREL"
+pprDynamicLinkerAsmLabel GotSymbolOffset lbl
+  = pprCLabel lbl
+pprDynamicLinkerAsmLabel _ _
+  = panic "pprDynamicLinkerAsmLabel"
+#elif darwin_TARGET_OS
 pprDynamicLinkerAsmLabel CodeStub lbl
   = char 'L' <> pprCLabel lbl <> text "$stub"
 pprDynamicLinkerAsmLabel SymbolPtr lbl
@@ -818,6 +854,15 @@ pprDynamicLinkerAsmLabel SymbolPtr lbl
   = text ".LC_" <> pprCLabel lbl
 pprDynamicLinkerAsmLabel _ _
   = panic "pprDynamicLinkerAsmLabel"
+#elif x86_64_TARGET_ARCH && linux_TARGET_OS
+pprDynamicLinkerAsmLabel CodeStub lbl
+  = pprCLabel lbl <> text "@plt"
+pprDynamicLinkerAsmLabel GotSymbolPtr lbl
+  = pprCLabel lbl <> text "@gotpcrel"
+pprDynamicLinkerAsmLabel GotSymbolOffset lbl
+  = pprCLabel lbl
+pprDynamicLinkerAsmLabel _ _
+  = panic "pprDynamicLinkerAsmLabel"
 #elif linux_TARGET_OS
 pprDynamicLinkerAsmLabel CodeStub lbl
   = pprCLabel lbl <> text "@plt"
@@ -832,4 +877,7 @@ pprDynamicLinkerAsmLabel SymbolPtr lbl
   = text "__imp_" <> pprCLabel lbl
 pprDynamicLinkerAsmLabel _ _
   = panic "pprDynamicLinkerAsmLabel"
+#else
+pprDynamicLinkerAsmLabel _ _
+  = panic "pprDynamicLinkerAsmLabel"
 #endif