Retrying r91337:
The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine,
but we need it to actually be 4-bytes in the FDE for some platforms. Allow
individual platforms to decide for themselves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93616 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 962f0f7..ea21676 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -249,3 +249,10 @@
else
setCodeModel(CodeModel::Small);
}
+
+DwarfLSDAEncoding::Encoding X86TargetMachine::getLSDAEncoding() const {
+ if (Subtarget.isTargetDarwin() && Subtarget.getDarwinVers() > 10)
+ return DwarfLSDAEncoding::FourByte;
+
+ return DwarfLSDAEncoding::Default;
+}
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 6183e91..c42aa89 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -62,6 +62,8 @@
return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
}
+ virtual DwarfLSDAEncoding::Encoding getLSDAEncoding() const;
+
// Set up the pass pipeline.
virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);