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cdefs: Make __nosanitizeaddress work for KASAN as well

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Add __nosanitizememory while I'm here.

Reviewed by:	andrew, kib
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D30126
This commit is contained in:
Mark Johnston 2021-05-07 14:26:28 -04:00
parent 2d499d5052
commit cfad8bd24f
1 changed files with 7 additions and 1 deletions
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8
sys/sys/cdefs.h
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@ -873,12 +873,18 @@
#define __no_lock_analysis __lock_annotate(no_thread_safety_analysis)
/*
* Function or variable should not be sanitized, i.e. by AddressSanitizer.
* Function or variable should not be sanitized, e.g., by AddressSanitizer.
* GCC has the nosanitize attribute, but as a function attribute only, and
* warns on use as a variable attribute.
*/
#if __has_attribute(no_sanitize) && defined(__clang__)
#ifdef _KERNEL
#define __nosanitizeaddress __attribute__((no_sanitize("kernel-address")))
#define __nosanitizememory __attribute__((no_sanitize("kernel-memory")))
#else
#define __nosanitizeaddress __attribute__((no_sanitize("address")))
#define __nosanitizememory __attribute__((no_sanitize("memory")))
#endif
#define __nosanitizethread __attribute__((no_sanitize("thread")))
#else
#define __nosanitizeaddress