HAVE_VDSO_SUPPORT   64 third_party/tcmalloc/chromium/src/base/vdso_support.h #define HAVE_VDSO_SUPPORT 1
HAVE_VDSO_SUPPORT   64 third_party/tcmalloc/vendor/src/base/vdso_support.h #define HAVE_VDSO_SUPPORT 1