[PATCH] D20333: [sanitizer] Allow dlopen/dlclose interception to be disabled from cmake

[Francis Ricci via llvm-commits]

fjricci created this revision.
fjricci added reviewers: kutuzov.viktor.84, samsonov, dvyukov, eugenis.
fjricci added subscribers: llvm-commits, compnerd.
Herald added a subscriber: kubabrecka.

dlopen and dlclose interception are broken when RUNPATH is used:
https://llvm.org/bugs/show_bug.cgi?id=27790

http://reviews.llvm.org/D20333

Files:
  lib/sanitizer_common/sanitizer_platform_interceptors.h

Index: lib/sanitizer_common/sanitizer_platform_interceptors.h
===================================================================
--- lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -280,8 +280,12 @@
 #define SANITIZER_INTERCEPT_OBSTACK SI_LINUX_NOT_ANDROID
 #define SANITIZER_INTERCEPT_FFLUSH SI_NOT_WINDOWS
 #define SANITIZER_INTERCEPT_FCLOSE SI_NOT_WINDOWS
+
+#ifndef SANITIZER_INTERCEPT_DLOPEN_DLCLOSE
 #define SANITIZER_INTERCEPT_DLOPEN_DLCLOSE \
     SI_FREEBSD || SI_LINUX_NOT_ANDROID || SI_MAC
+#endif
+
 #define SANITIZER_INTERCEPT_GETPASS SI_LINUX_NOT_ANDROID || SI_MAC
 #define SANITIZER_INTERCEPT_TIMERFD SI_LINUX_NOT_ANDROID
 


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