Update to current libcxxabi for new exception code.

1 files changed, 44 insertions, 0 deletions

diff --git a/system/lib/libcxxabi/src/Unwind/assembly.h b/system/lib/libcxxabi/src/Unwind/assembly.h
new file mode 100644
index 00000000..d282de8c
--- /dev/null
+++ b/system/lib/libcxxabi/src/Unwind/assembly.h
@@ -0,0 +1,44 @@
+/* ===-- assembly.h - libUnwind assembler support macros -------------------===
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is dual licensed under the MIT and the University of Illinois Open
+ * Source Licenses. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file defines macros for use in libUnwind assembler source.
+ * This file is not part of the interface of this library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
+
+#ifndef UNWIND_ASSEMBLY_H
+#define UNWIND_ASSEMBLY_H
+
+#if defined(__POWERPC__) || defined(__powerpc__) || defined(__ppc__)
+#define SEPARATOR @
+#else
+#define SEPARATOR ;
+#endif
+
+#if defined(__APPLE__)
+#define HIDDEN_DIRECTIVE .private_extern
+#else
+#define HIDDEN_DIRECTIVE .hidden
+#endif
+
+#define GLUE2(a, b) a ## b
+#define GLUE(a, b) GLUE2(a, b)
+#define SYMBOL_NAME(name) GLUE(__USER_LABEL_PREFIX__, name)
+
+#define DEFINE_LIBUNWIND_FUNCTION(name)                   \
+  .globl SYMBOL_NAME(name) SEPARATOR                      \
+  SYMBOL_NAME(name):
+
+#define DEFINE_LIBUNWIND_PRIVATE_FUNCTION(name)           \
+  .globl SYMBOL_NAME(name) SEPARATOR                      \
+  HIDDEN_DIRECTIVE SYMBOL_NAME(name) SEPARATOR            \
+  SYMBOL_NAME(name):
+
+#endif /* UNWIND_ASSEMBLY_H */