Reverting the EH table patches.

$ svn merge -c -89279 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r89279 into '.':
U    lib/CodeGen/AsmPrinter/DwarfException.cpp
U    lib/Target/TargetLoweringObjectFile.cpp
$ svn merge -c -89270 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r89270 into '.':
G    lib/CodeGen/AsmPrinter/DwarfException.cpp
G    lib/Target/TargetLoweringObjectFile.cpp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89379 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/AsmPrinter/DwarfException.cpp b/lib/CodeGen/AsmPrinter/DwarfException.cpp
index fcdcfd31bc3ee06751b0fcbffa41cd11c0aba12a..1c8b8f46472091123fe6e237dde38e3ea58ef50b 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfException.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfException.cpp
@@ -727,8 +727,7 @@ void DwarfException::EmitExceptionTable() {
     // somewhere.  This predicate should be moved to a shared location that is
     // in target-independent code.
     //
-    if ((LSDASection->getKind().isWriteable() &&
-         !LSDASection->getKind().isReadOnlyWithRel()) ||
+    if (LSDASection->getKind().isWriteable() ||
         Asm->TM.getRelocationModel() == Reloc::Static)
       TTypeFormat = dwarf::DW_EH_PE_absptr;
     else
@@ -918,36 +917,14 @@ void DwarfException::EmitExceptionTable() {
   }
 
   // Emit the Catch TypeInfos.
-  const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering();
-  unsigned Index = 1;
-
   for (std::vector<GlobalVariable *>::const_reverse_iterator
          I = TypeInfos.rbegin(), E = TypeInfos.rend(); I != E; ++I) {
-    const GlobalVariable *TI = *I;
-
-    if (TI) {
-      if (!LSDASection->getKind().isReadOnlyWithRel() &&
-          (TTypeFormat == dwarf::DW_EH_PE_absptr ||
-           TI->getLinkage() == GlobalValue::InternalLinkage)) {
-        // Print out the unadorned name of the type info.
-        PrintRelDirective();
-        O << Asm->Mang->getMangledName(TI);
-      } else {
-        bool IsTypeInfoIndirect = false, IsTypeInfoPCRel = false;
-        const MCExpr *TypeInfoRef =
-          TLOF.getSymbolForDwarfGlobalReference(TI, Asm->Mang, Asm->MMI,
-                                                IsTypeInfoIndirect,
-                                                IsTypeInfoPCRel);
-
-        if (!IsTypeInfoPCRel)
-          TypeInfoRef = CreateLabelDiff(TypeInfoRef, "typeinforef_addr",
-                                        Index++);
-
-        O << MAI->getData32bitsDirective();
-        TypeInfoRef->print(O, MAI);
-      }
+    const GlobalVariable *GV = *I;
+    PrintRelDirective();
+
+    if (GV) {
+      O << Asm->Mang->getMangledName(GV);
     } else {
-      PrintRelDirective();
       O << "0x0";
     }
 

diff --git a/lib/Target/TargetLoweringObjectFile.cpp b/lib/Target/TargetLoweringObjectFile.cpp
index 6fdbc92036ded2b604d14fd9964c5ccbcb718b00..f887523c5b716ddea5f84630b2352c0a0c16628f 100644 (file)
--- a/lib/Target/TargetLoweringObjectFile.cpp
+++ b/lib/Target/TargetLoweringObjectFile.cpp
@@ -783,8 +783,8 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
   }
 
   // Exception Handling.
-  LSDASection = getMachOSection("__TEXT", "__gcc_except_tab", 0,
-                                SectionKind::getReadOnlyWithRel());
+  LSDASection = getMachOSection("__DATA", "__gcc_except_tab", 0,
+                                SectionKind::getDataRel());
   EHFrameSection =
     getMachOSection("__TEXT", "__eh_frame",
                     MCSectionMachO::S_COALESCED |