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| author | Viktor Kutuzov <vkutuzov@accesssoftek.com> | 2014-07-10 09:16:58 +0000 |
|---|---|---|
| committer | Viktor Kutuzov <vkutuzov@accesssoftek.com> | 2014-07-10 09:16:58 +0000 |
| commit | f294f25d3ab54c6a3267cd5c1c82d25d6fdbee58 (patch) | |
| tree | b71018a4949a0a03ed7647b9dd5bbc633c6415d8 | |
| parent | a34a8e230d05250871047c4ab4de50a92587a35c (diff) | |
| download | bcm5719-llvm-f294f25d3ab54c6a3267cd5c1c82d25d6fdbee58.tar.gz bcm5719-llvm-f294f25d3ab54c6a3267cd5c1c82d25d6fdbee58.zip | |
Make sanitizers' interceptors non-weak on FreeBSD
Differential Revision: http://reviews.llvm.org/D4418
llvm-svn: 212693
| -rw-r--r-- | compiler-rt/lib/interception/interception.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/compiler-rt/lib/interception/interception.h b/compiler-rt/lib/interception/interception.h index ac982f71dc4..743c88dd745 100644 --- a/compiler-rt/lib/interception/interception.h +++ b/compiler-rt/lib/interception/interception.h @@ -135,6 +135,16 @@ const interpose_substitution substitution_##func_name[] \ extern "C" ret_type func(__VA_ARGS__); # define DECLARE_WRAPPER_WINAPI(ret_type, func, ...) \ extern "C" __declspec(dllimport) ret_type __stdcall func(__VA_ARGS__); +#elif defined(__FreeBSD__) +# define WRAP(x) __interceptor_ ## x +# define WRAPPER_NAME(x) "__interceptor_" #x +# define INTERCEPTOR_ATTRIBUTE __attribute__((visibility("default"))) +// FreeBSD's dynamic linker (incompliantly) gives non-weak symbols higher +// priority than weak ones so weak aliases won't work for indirect calls +// in position-independent (-fPIC / -fPIE) mode. +# define DECLARE_WRAPPER(ret_type, func, ...) \ + extern "C" ret_type func(__VA_ARGS__) \ + __attribute__((alias("__interceptor_" #func), visibility("default"))); #else # define WRAP(x) __interceptor_ ## x # define WRAPPER_NAME(x) "__interceptor_" #x |
