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tsan: remove static reference to glibc internal _dl_get_tls_static_info() 

(this breaks RPM packages)

llvm-svn: 171033
This commit is contained in:
Dmitry Vyukov 2012-12-24 13:43:53 +00:00
parent 2eda23e78a
commit f6d8021520
1 changed files with 5 additions and 9 deletions
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14
compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
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@ -172,18 +172,14 @@ static uptr g_tls_size;
#else
# define INTERNAL_FUNCTION
#endif
extern "C" void _dl_get_tls_static_info(size_t*, size_t*)
__attribute__((weak)) INTERNAL_FUNCTION;
static int InitTlsSize() {
typedef void (*get_tls_func)(size_t*, size_t*) INTERNAL_FUNCTION;
get_tls_func get_tls = &_dl_get_tls_static_info;
if (get_tls == 0) {
void *get_tls_static_info_ptr = dlsym(RTLD_NEXT, "_dl_get_tls_static_info");
CHECK_EQ(sizeof(get_tls), sizeof(get_tls_static_info_ptr));
internal_memcpy(&get_tls, &get_tls_static_info_ptr,
sizeof(get_tls_static_info_ptr));
}
get_tls_func get_tls;
void *get_tls_static_info_ptr = dlsym(RTLD_NEXT, "_dl_get_tls_static_info");
CHECK_EQ(sizeof(get_tls), sizeof(get_tls_static_info_ptr));
internal_memcpy(&get_tls, &get_tls_static_info_ptr,
sizeof(get_tls_static_info_ptr));
CHECK_NE(get_tls, 0);
size_t tls_size = 0;
size_t tls_align = 0;