[llvm-commits] [llvm] r79323 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp

[Chris Lattner]

Author: lattner
Date: Tue Aug 18 01:13:03 2009
New Revision: 79323

URL: http://llvm.org/viewvc/llvm-project?rev=79323&view=rev
Log:
add a horrible hack to the dwarf printer.  It looks like mingw is not specifying
an EHFrame section, so we just emit ehframe data into a random section.

This is clearly bad.

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=79323&r1=79322&r2=79323&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp Tue Aug 18 01:13:03 2009
@@ -56,7 +56,10 @@
     TD->getPointerSize() : -TD->getPointerSize();
 
   // Begin eh frame section.
-  Asm->SwitchToSection(Asm->getObjFileLowering().getEHFrameSection());
+  // FIXME: THIS IS A HORRIBLE HACK.  MingW isn't specifying an EHFrame section.
+  if (const MCSection *EHFrameSec = 
+      Asm->getObjFileLowering().getEHFrameSection())
+    Asm->SwitchToSection(EHFrameSec);
 
   if (TAI->is_EHSymbolPrivate())
     O << TAI->getPrivateGlobalPrefix();
@@ -150,8 +153,11 @@
 
   const Function *TheFunc = EHFrameInfo.function;
   
-  Asm->SwitchToSection(Asm->getObjFileLowering().getEHFrameSection());
-
+  // FIXME: THIS IS A HORRIBLE HACK.  MingW isn't specifying an EHFrame section.
+  if (const MCSection *EHFrameSec = 
+      Asm->getObjFileLowering().getEHFrameSection())
+    Asm->SwitchToSection(EHFrameSec);
+  
   // Externally visible entry into the functions eh frame info. If the
   // corresponding function is static, this should not be externally visible.
   if (!TheFunc->hasLocalLinkage())