This patch implements runtime ARM specific
setting of ELF header e_flags.
Contributer: Jack Carter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173885 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index ee2a228..397736a 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -37,6 +37,7 @@
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCELFStreamer.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstBuilder.h"
#include "llvm/MC/MCObjectStreamer.h"
@@ -45,6 +46,7 @@
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
@@ -699,6 +701,15 @@
// generates code that does this, it is always safe to set.
OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols);
}
+ // FIXME: This should eventually end up somewhere else where more
+ // intelligent flag decisions can be made. For now we are just maintaining
+ // the status quo for ARM and setting EF_ARM_EABI_VER5 as the default.
+ if (Subtarget->isTargetELF()) {
+ if (OutStreamer.hasRawTextSupport()) return;
+
+ MCELFStreamer &MES = static_cast<MCELFStreamer &>(OutStreamer);
+ MES.getAssembler().setELFHeaderEFlags(ELF::EF_ARM_EABI_VER5);
+ }
}
//===----------------------------------------------------------------------===//