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| author | Nico Weber <nicolasweber@gmx.de> | 2017-06-27 18:37:06 +0000 |
|---|---|---|
| committer | Nico Weber <nicolasweber@gmx.de> | 2017-06-27 18:37:06 +0000 |
| commit | 205519b97e3e8483ce9a8b0474dfff0367a29169 (patch) | |
| tree | acae3aee937b339a567e4eec6eb618291283e383 /libunwind/src | |
| parent | 836d786e860b989a065d74732d54309ab94bad2a (diff) | |
| download | bcm5719-llvm-205519b97e3e8483ce9a8b0474dfff0367a29169.tar.gz bcm5719-llvm-205519b97e3e8483ce9a8b0474dfff0367a29169.zip | |
[libunwind] Add _LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS
It's useful to be able to disable visibility annotations entirely; for
example, if we're building libunwind static to include in another library,
and we don't want any libunwind functions getting exported out of that
library.
https://reviews.llvm.org/D34637
Patch from Thomas Anderson <thomasanderson@chromium.org>!
llvm-svn: 306442
Diffstat (limited to 'libunwind/src')
| -rw-r--r-- | libunwind/src/config.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libunwind/src/config.h b/libunwind/src/config.h index 4be98c8c15a..ac8d7d98dc3 100644 --- a/libunwind/src/config.h +++ b/libunwind/src/config.h @@ -44,9 +44,14 @@ #endif #endif -// FIXME: these macros are not correct for COFF targets -#define _LIBUNWIND_EXPORT __attribute__((visibility("default"))) -#define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden"))) +#if defined(_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS) + #define _LIBUNWIND_EXPORT + #define _LIBUNWIND_HIDDEN +#else + // FIXME: these macros are not correct for COFF targets + #define _LIBUNWIND_EXPORT __attribute__((visibility("default"))) + #define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden"))) +#endif #if (defined(__APPLE__) && defined(__arm__)) || defined(__USING_SJLJ_EXCEPTIONS__) #define _LIBUNWIND_BUILD_SJLJ_APIS |
