[llvm-commits] [compiler-rt] r171033 - /compiler-rt/trunk/lib/tsan/rtl/tsan_platform_linux.cc

[Dmitry Vyukov]

Author: dvyukov
Date: Mon Dec 24 07:43:53 2012
New Revision: 171033

URL: http://llvm.org/viewvc/llvm-project?rev=171033&view=rev
Log:
tsan: remove static reference to glibc internal _dl_get_tls_static_info()
(this breaks RPM packages)

Modified:
    compiler-rt/trunk/lib/tsan/rtl/tsan_platform_linux.cc

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_platform_linux.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_platform_linux.cc?rev=171033&r1=171032&r2=171033&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_platform_linux.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_platform_linux.cc Mon Dec 24 07:43:53 2012
@@ -172,18 +172,14 @@
 #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;