From: David Chisnall <csdavec@swan.ac.uk>
Date: Fri, 17 Feb 2012 17:31:15 +0000 (+0000)
Subject: Generate the correct EH frame section types on Solaris, this time without breaking... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4cbcee16187ab07a70280fc10af327767325b848;p=oota-llvm.git

Generate the correct EH frame section types on Solaris, this time without breaking other platforms...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150819 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/MC/MCObjectFileInfo.h b/include/llvm/MC/MCObjectFileInfo.h
index e58e7d68f7f..5d5801f33da 100644
--- a/include/llvm/MC/MCObjectFileInfo.h
+++ b/include/llvm/MC/MCObjectFileInfo.h
@@ -47,6 +47,8 @@ protected:
   unsigned FDEEncoding;
   unsigned FDECFIEncoding;
   unsigned TTypeEncoding;
+  // Section flags for eh_frame
+  unsigned EHSectionFlags;
 
   /// TextSection - Section directive for standard text.
   ///
diff --git a/lib/MC/MCObjectFileInfo.cpp b/lib/MC/MCObjectFileInfo.cpp
index 1b8653531e8..1a27df5dc0c 100644
--- a/lib/MC/MCObjectFileInfo.cpp
+++ b/lib/MC/MCObjectFileInfo.cpp
@@ -258,6 +258,13 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
     }
   }
 
+  // Solaris requires different flags for .eh_frame to seemingly every other
+  // platform.
+  EHSectionFlags = ELF::SHF_ALLOC;
+  if (T.getOS() == Triple::Solaris)
+    EHSectionFlags |= ELF::SHF_WRITE;
+
+
   // ELF
   BSSSection =
     Ctx->getELFSection(".bss", ELF::SHT_NOBITS,
@@ -559,7 +566,7 @@ void MCObjectFileInfo::InitEHFrameSection() {
   else if (Env == IsELF)
     EHFrameSection =
       Ctx->getELFSection(".eh_frame", ELF::SHT_PROGBITS,
-                         ELF::SHF_ALLOC,
+                         EHSectionFlags,
                          SectionKind::getDataRel());
   else
     EHFrameSection =