For ARM/Darwin, add a dwarf entry indicating whether a function is arm or thumb
rdar://8202967
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109057 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 3cc6c8f..003bdac 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -56,6 +56,15 @@
EnableMCInst("enable-arm-mcinst-printer", cl::Hidden,
cl::desc("enable experimental asmprinter gunk in the arm backend"));
+namespace llvm {
+ namespace ARM {
+ enum DW_ISA {
+ DW_ISA_ARM_thumb = 1,
+ DW_ISA_ARM_arm = 2
+ };
+ }
+}
+
namespace {
class ARMAsmPrinter : public AsmPrinter {
@@ -196,6 +205,14 @@
void EmitStartOfAsmFile(Module &M);
void EmitEndOfAsmFile(Module &M);
+ virtual unsigned getISAEncoding() {
+ // ARM/Darwin adds ISA to the DWARF info for each function.
+ if (!Subtarget->isTargetDarwin())
+ return 0;
+ return Subtarget->isThumb() ?
+ llvm::ARM::DW_ISA_ARM_thumb : llvm::ARM::DW_ISA_ARM_arm;
+ }
+
MCSymbol *GetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2,
const MachineBasicBlock *MBB) const;
MCSymbol *GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const;