[compiler-rt] r203658 - Add FreeBSD 9.2 support to asan_linux.cc

[Viktor Kutuzov]

Author: vkutuzov
Date: Wed Mar 12 07:44:36 2014
New Revision: 203658

URL: http://llvm.org/viewvc/llvm-project?rev=203658&view=rev
Log:
Add FreeBSD 9.2 support to asan_linux.cc

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=203658&r1=203657&r2=203658&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_linux.cc (original)
+++ compiler-rt/trunk/lib/asan/asan_linux.cc Wed Mar 12 07:44:36 2014
@@ -39,6 +39,17 @@
 #include <sys/ucontext.h>
 #endif
 
+// x86_64 FreeBSD 9.2 and older define 64-bit register names in both 64-bit
+// and 32-bit modes.
+#if SANITIZER_FREEBSD
+#include <sys/param.h>
+# if __FreeBSD_version <= 902001  // v9.2
+#  define mc_eip mc_rip
+#  define mc_ebp mc_rbp
+#  define mc_esp mc_rsp
+# endif
+#endif
+
 extern "C" void* _DYNAMIC;
 
 namespace __asan {