[compiler-rt] r323002 - [sanitizer] Allow Fuchsia to use getauxval

[Kostya Kortchinsky via llvm-commits]

Author: cryptoad
Date: Fri Jan 19 14:33:30 2018
New Revision: 323002

URL: http://llvm.org/viewvc/llvm-project?rev=323002&view=rev
Log:
[sanitizer] Allow Fuchsia to use getauxval

Summary:
Fuchsia has `getauxval` (https://fuchsia.googlesource.com/zircon/+/master/third_party/ulib/musl/include/sys/auxv.h,
https://fuchsia.googlesource.com/zircon/+/master/third_party/ulib/musl/src/misc/getauxval.c)
so set SANITIZER_USE_GETAUXVAL to 1 for this platform.

Reviewers: alekseyshl, flowerhack

Reviewed By: flowerhack

Subscribers: srhines, kubamracek, #sanitizers, llvm-commits

Differential Revision: https://reviews.llvm.org/D42315

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_getauxval.h

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_getauxval.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_getauxval.h?rev=323002&r1=323001&r2=323002&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_getauxval.h (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_getauxval.h Fri Jan 19 14:33:30 2018
@@ -18,7 +18,7 @@
 
 #include "sanitizer_platform.h"
 
-#if SANITIZER_LINUX
+#if SANITIZER_LINUX || SANITIZER_FUCHSIA
 
 # include <features.h>
 
@@ -26,7 +26,8 @@
 #  define __GLIBC_PREREQ(x, y) 0
 # endif
 
-# if __GLIBC_PREREQ(2, 16) || (SANITIZER_ANDROID && __ANDROID_API__ >= 21)
+# if __GLIBC_PREREQ(2, 16) || (SANITIZER_ANDROID && __ANDROID_API__ >= 21) || \
+     SANITIZER_FUCHSIA
 #  define SANITIZER_USE_GETAUXVAL 1
 # else
 #  define SANITIZER_USE_GETAUXVAL 0
@@ -42,6 +43,6 @@ extern "C" SANITIZER_WEAK_ATTRIBUTE
 unsigned long getauxval(unsigned long type);  // NOLINT
 # endif
 
-#endif // SANITIZER_LINUX
+#endif // SANITIZER_LINUX || SANITIZER_FUCHSIA
 
 #endif // SANITIZER_GETAUXVAL_H