diff options
| -rw-r--r-- | lib/Headers/unwind.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Headers/unwind.h b/lib/Headers/unwind.h index 55ebd54a67..dbdbaf4777 100644 --- a/lib/Headers/unwind.h +++ b/lib/Headers/unwind.h @@ -23,6 +23,9 @@ /* See "Data Definitions for libgcc_s" in the Linux Standard Base.*/ +#ifndef __CLANG_UNWIND_H +#define __CLANG_UNWIND_H + #if __has_include_next(<unwind.h>) /* Darwin and libunwind provide an unwind.h. If that's available, use * it. libunwind wraps some of its definitions in #ifdef _GNU_SOURCE, @@ -59,7 +62,9 @@ extern "C" { /* It is a bit strange for a header to play with the visibility of the symbols it declares, but this matches gcc's behavior and some programs depend on it */ +#ifndef HIDE_EXPORTS #pragma GCC visibility push(default) +#endif struct _Unwind_Context; typedef enum { @@ -115,10 +120,14 @@ uintptr_t _Unwind_GetIP(struct _Unwind_Context* context); typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context*, void*); _Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void*); +#ifndef HIDE_EXPORTS #pragma GCC visibility pop +#endif #ifdef __cplusplus } #endif #endif + +#endif /* __CLANG_UNWIND_H */ |