[compiler-rt] r210012 - [asan] Improve vDSO check in AsanCheckDynamicRTPrereqs; patch by Yuri Gribov

[Kostya Serebryany]

Author: kcc
Date: Mon Jun  2 05:39:40 2014
New Revision: 210012

URL: http://llvm.org/viewvc/llvm-project?rev=210012&view=rev
Log:
[asan] Improve vDSO check in AsanCheckDynamicRTPrereqs; patch by  Yuri Gribov

Modified:
    compiler-rt/trunk/lib/asan/asan_linux.cc

Modified: compiler-rt/trunk/lib/asan/asan_linux.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_linux.cc?rev=210012&r1=210011&r2=210012&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_linux.cc (original)
+++ compiler-rt/trunk/lib/asan/asan_linux.cc Mon Jun  2 05:39:40 2014
@@ -91,6 +91,10 @@ static int FindFirstDSOCallback(struct d
   if (!info->dlpi_name || info->dlpi_name[0] == 0)
     return 0;
 
+  // Ignore vDSO
+  if (internal_strncmp(info->dlpi_name, "linux-", sizeof("linux-") - 1) == 0)
+    return 0;
+
   *(const char **)data = info->dlpi_name;
   return 1;
 }