ARMEB: Fix byte order of EH frame unwinding instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208689 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 4 deletions

diff --git a/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp b/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
index 657190d086..7c178650a5 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
@@ -1137,8 +1137,11 @@ void ARMELFStreamer::emitFnEnd() {
            "Compact model must use __aeabi_cpp_unwind_pr0 as personality");
     assert(Opcodes.size() == 4u &&
            "Unwind opcode size for __aeabi_cpp_unwind_pr0 must be equal to 4");
-    EmitBytes(StringRef(reinterpret_cast<const char*>(Opcodes.data()),
-                        Opcodes.size()));
+    uint64_t Intval = Opcodes[0] |
+                      Opcodes[1] << 8 |
+                      Opcodes[2] << 16 |
+                      Opcodes[3] << 24;
+    EmitIntValue(Intval, Opcodes.size());
   }
 
   // Switch to the section containing FnStart
@@ -1210,8 +1213,15 @@ void ARMELFStreamer::FlushUnwindOpcodes(bool NoHandlerData) {
   }
 
   // Emit unwind opcodes
-  EmitBytes(StringRef(reinterpret_cast<const char *>(Opcodes.data()),
-                      Opcodes.size()));
+  assert((Opcodes.size() % 4) == 0 &&
+         "Unwind opcode size for __aeabi_cpp_unwind_pr0 must be multiple of 4");
+  for (unsigned I = 0; I != Opcodes.size(); I += 4) {
+    uint64_t Intval = Opcodes[I] |
+                      Opcodes[I + 1] << 8 |
+                      Opcodes[I + 2] << 16 |
+                      Opcodes[I + 3] << 24;
+    EmitIntValue(Intval, 4);
+  }
 
   // According to ARM EHABI section 9.2, if the __aeabi_unwind_cpp_pr1() or
   // __aeabi_unwind_cpp_pr2() is used, then the handler data must be emitted