Linux wants the FDE initial location and address range to be forced to 32-bit.
Darwin doesn't. Make this optional for platforms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61484 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index 6534f40..691c922 100644
--- a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -3119,10 +3119,12 @@
Asm->EOL("FDE CIE offset");
- EmitReference("eh_func_begin", EHFrameInfo.Number, true);
+ EmitReference("eh_func_begin", EHFrameInfo.Number, true,
+ TAI->doesRequire32BitFDEReference());
Asm->EOL("FDE initial location");
EmitDifference("eh_func_end", EHFrameInfo.Number,
- "eh_func_begin", EHFrameInfo.Number);
+ "eh_func_begin", EHFrameInfo.Number,
+ TAI->doesRequire32BitFDEReference());
Asm->EOL("FDE address range");
// If there is a personality and landing pads then point to the language
diff --git a/lib/Target/TargetAsmInfo.cpp b/lib/Target/TargetAsmInfo.cpp
index c9a525a..5cf298a 100644
--- a/lib/Target/TargetAsmInfo.cpp
+++ b/lib/Target/TargetAsmInfo.cpp
@@ -101,6 +101,7 @@
DwarfRequiresFrameSection = true;
FDEEncodingRequiresSData4 = true;
NonLocalEHFrameLabel = false;
+ Force32BitFDEReference = true;
GlobalEHDirective = 0;
SupportsWeakOmittedEHFrame = true;
DwarfSectionOffsetDirective = 0;
diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index 4dfb214..de655e7 100644
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -72,6 +72,7 @@
HasSingleParameterDotFile = false;
FDEEncodingRequiresSData4 = false;
NonLocalEHFrameLabel = true;
+ Force32BitFDEReference = false;
if (TM.getRelocationModel() == Reloc::Static) {
StaticCtorsSection = ".constructor";
StaticDtorsSection = ".destructor";