diff options
| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2013-10-17 03:57:41 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2013-10-17 03:57:41 +0000 |
| commit | 839f7f23c0a652e2b799345fc3112ae0c5a03098 (patch) | |
| tree | 3485778143389971ca5c00f932f0a99d1c0398c7 /include | |
| parent | 6dc154019d5f0997d7df1d9e9f3ba1425396dcd8 (diff) | |
unwinder: conditionalise availability
__attribute__ (( unavailable )) is for Apple specific builds. Create a macro
to conditionalise the usage of the macro. This is to aid in porting the
unwinder to other platforms.
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@192868 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/unwind.h | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/include/unwind.h b/include/unwind.h index bd791da..4372dca 100644 --- a/include/unwind.h +++ b/include/unwind.h @@ -17,6 +17,12 @@ #include <stdint.h> #include <stddef.h> +#if defined(__APPLE__) +#define LIBUNWIND_AVAIL __attribute__ (( unavailable )) +#else +#define LIBUNWIND_AVAIL +#endif + typedef enum { _URC_NO_REASON = 0, _URC_FOREIGN_EXCEPTION_CAUGHT = 1, @@ -181,28 +187,28 @@ extern void *_Unwind_FindEnclosingFunction(void *pc); // Mac OS X does not support text-rel and data-rel addressing so these functions // are unimplemented extern uintptr_t _Unwind_GetDataRelBase(struct _Unwind_Context *context) - __attribute__((unavailable)); + LIBUNWIND_AVAIL; extern uintptr_t _Unwind_GetTextRelBase(struct _Unwind_Context *context) - __attribute__((unavailable)); + LIBUNWIND_AVAIL; // Mac OS X 10.4 and 10.5 had implementations of these functions in // libgcc_s.dylib, but they never worked. /// These functions are no longer available on Mac OS X. extern void __register_frame_info_bases(const void *fde, void *ob, void *tb, - void *db) __attribute__((unavailable)); + void *db) LIBUNWIND_AVAIL; extern void __register_frame_info(const void *fde, void *ob) - __attribute__((unavailable)); + LIBUNWIND_AVAIL; extern void __register_frame_info_table_bases(const void *fde, void *ob, void *tb, void *db) - __attribute__((unavailable)); + LIBUNWIND_AVAIL; extern void __register_frame_info_table(const void *fde, void *ob) - __attribute__((unavailable)); + LIBUNWIND_AVAIL; extern void __register_frame_table(const void *fde) - __attribute__((unavailable)); + LIBUNWIND_AVAIL; extern void *__deregister_frame_info(const void *fde) - __attribute__((unavailable)); + LIBUNWIND_AVAIL; extern void *__deregister_frame_info_bases(const void *fde) - __attribute__((unavailable)); + LIBUNWIND_AVAIL; #ifdef __cplusplus } |