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Expose KASAN_SHADOW_SCALE_SHIFT. OK'ed by maxv.

This commit is contained in:
skrll 2020-07-10 07:48:27 +00:00
parent 6652c005ba
commit bd9956fcaa
2 changed files with 6 additions and 4 deletions
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5
sys/kern/subr_asan.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_asan.c,v 1.23 2020/07/03 08:19:20 skrll Exp $ */
/* $NetBSD: subr_asan.c,v 1.24 2020/07/10 07:48:27 skrll Exp $ */
/*
* Copyright (c) 2018-2020 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_asan.c,v 1.23 2020/07/03 08:19:20 skrll Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_asan.c,v 1.24 2020/07/10 07:48:27 skrll Exp $");
#include <sys/param.h>
#include <sys/device.h>
@ -50,7 +50,6 @@ __KERNEL_RCSID(0, "$NetBSD: subr_asan.c,v 1.23 2020/07/03 08:19:20 skrll Exp $")
#endif
/* ASAN constants. Part of the compiler ABI. */
#define KASAN_SHADOW_SCALE_SHIFT 3
#define KASAN_SHADOW_SCALE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
#define KASAN_SHADOW_MASK (KASAN_SHADOW_SCALE_SIZE - 1)
#define KASAN_ALLOCA_SCALE_SIZE 32

5
sys/sys/asan.h
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@ -1,4 +1,4 @@
/* $NetBSD: asan.h,v 1.13 2020/02/08 09:05:08 maxv Exp $ */
/* $NetBSD: asan.h,v 1.14 2020/07/10 07:48:28 skrll Exp $ */
/*
* Copyright (c) 2018-2019 The NetBSD Foundation, Inc.
@ -40,6 +40,9 @@
#include <sys/types.h>
#include <sys/bus.h>
/* ASAN constants. Part of the compiler ABI. */
#define KASAN_SHADOW_SCALE_SHIFT 3
/* Stack redzone values. Part of the compiler ABI. */
#define KASAN_STACK_LEFT 0xF1
#define KASAN_STACK_MID 0xF2