[llvm-commits] [llvm] r80414 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp

Eric Christopher echristo at apple.com
Fri Aug 28 18:12:46 PDT 2009


Author: echristo
Date: Fri Aug 28 20:12:46 2009
New Revision: 80414

URL: http://llvm.org/viewvc/llvm-project?rev=80414&view=rev
Log:
Make the augmentation size and next set of bytes agree on size,
and make the reference pointer size as it should be.

Fixes an abort on a testcase derived from libunwind's personality
test in 64-bit.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp?rev=80414&r1=80413&r2=80414&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp Fri Aug 28 20:12:46 2009
@@ -204,13 +204,19 @@
     // If there is a personality and landing pads then point to the language
     // specific data area in the exception table.
     if (MMI->getPersonalities()[0] != NULL) {
-      Asm->EmitULEB128Bytes(4);
+      bool is4Byte = TD->getPointerSize() == sizeof(int32_t);
+
+      Asm->EmitULEB128Bytes(is4Byte ? 4 : 8);
       Asm->EOL("Augmentation size");
 
       if (EHFrameInfo.hasLandingPads)
-        EmitReference("exception", EHFrameInfo.Number, true, true);
-      else
-        Asm->EmitInt32((int)0);
+        EmitReference("exception", EHFrameInfo.Number, true, false);
+      else {
+	if (is4Byte)
+	  Asm->EmitInt32((int)0);
+	else
+	  Asm->EmitInt64((int)0);
+      }
       Asm->EOL("Language Specific Data Area");
     } else {
       Asm->EmitULEB128Bytes(0);





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