diff options
Diffstat (limited to 'runtime/unwind/unwind.h')
| -rw-r--r-- | runtime/unwind/unwind.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/runtime/unwind/unwind.h b/runtime/unwind/unwind.h index ae5e75d3..78a4bfef 100644 --- a/runtime/unwind/unwind.h +++ b/runtime/unwind/unwind.h @@ -25,6 +25,11 @@ #define MAX_STACK_DEPTH 8 +#ifndef BUILD_BUG_ON_ZERO +#define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1) +#endif + + #define EXTRA_INFO(f) { \ BUILD_BUG_ON_ZERO(offsetof(struct unwind_frame_info, f) \ % FIELD_SIZEOF(struct unwind_frame_info, f)) \ |