#include "llvm/MC/MCSectionMachO.h"
using namespace llvm;
+static bool useCompactUnwind(const Triple &T) {
+ // Only on darwin.
+ if (!T.isOSDarwin())
+ return false;
+
+ // aarch64 always has it.
+ if (T.getArch() == Triple::arm64 || T.getArch() == Triple::aarch64)
+ return true;
+
+ // Use it on newer version of OS X.
+ if (T.isMacOSX() && !T.isMacOSXVersionLT(10, 6))
+ return true;
+
+ return false;
+}
+
void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) {
// MachO
IsFunctionEHFrameSymbolPrivate = false;
COFFDebugSymbolsSection = nullptr;
- if ((T.isMacOSX() && !T.isMacOSXVersionLT(10, 6)) ||
- (T.isOSDarwin() &&
- (T.getArch() == Triple::arm64 || T.getArch() == Triple::aarch64))) {
+ if (useCompactUnwind(T)) {
CompactUnwindSection =
- Ctx->getMachOSection("__LD", "__compact_unwind",
- MachO::S_ATTR_DEBUG,
- SectionKind::getReadOnly());
+ Ctx->getMachOSection("__LD", "__compact_unwind", MachO::S_ATTR_DEBUG,
+ SectionKind::getReadOnly());
if (T.getArch() == Triple::x86_64 || T.getArch() == Triple::x86)
CompactUnwindDwarfEHFrameOnly = 0x04000000;