[PATCH] D40260: [sanitizer] Define SANITIZER_USE_GETAUXVAL for Android
Kostya Kortchinsky via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 20 10:53:59 PST 2017
cryptoad created this revision.
Herald added subscribers: kubamracek, srhines.
Android for API level >= 21 has `getauxval`. Enable `SANITIZER_USE_GETAUXVAL`
when those requirements are met. Correct a typo in the header.
https://reviews.llvm.org/D40260
Files:
lib/sanitizer_common/sanitizer_getauxval.h
Index: lib/sanitizer_common/sanitizer_getauxval.h
===================================================================
--- lib/sanitizer_common/sanitizer_getauxval.h
+++ lib/sanitizer_common/sanitizer_getauxval.h
@@ -8,7 +8,8 @@
//===----------------------------------------------------------------------===//
//
// Common getauxval() guards and definitions.
-// getauxval() is not defined until glbc version 2.16.
+// getauxval() is not defined until glibc version 2.16, or until API level 21
+// for Android.
//
//===----------------------------------------------------------------------===//
@@ -25,7 +26,7 @@
#define __GLIBC_PREREQ(x, y) 0
#endif
-#if __GLIBC_PREREQ(2, 16)
+#if __GLIBC_PREREQ(2, 16) || (SANITIZER_ANDROID && __ANDROID_API__ >= 21)
# define SANITIZER_USE_GETAUXVAL 1
#else
# define SANITIZER_USE_GETAUXVAL 0
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