arch/powerpc/include/asm/kasan.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_KASAN_H
   3 #define __ASM_KASAN_H
   4
   5 #ifdef CONFIG_KASAN
   6 #define _GLOBAL_KASAN(fn)       _GLOBAL(__##fn)
   7 #define _GLOBAL_TOC_KASAN(fn)   _GLOBAL_TOC(__##fn)
   8 #define EXPORT_SYMBOL_KASAN(fn) EXPORT_SYMBOL(__##fn)
   9 #else
  10 #define _GLOBAL_KASAN(fn)       _GLOBAL(fn)
  11 #define _GLOBAL_TOC_KASAN(fn)   _GLOBAL_TOC(fn)
  12 #define EXPORT_SYMBOL_KASAN(fn)
  13 #endif
  14
  15 #ifndef __ASSEMBLY__
  16
  17 #include <asm/page.h>
  18
  19 #define KASAN_SHADOW_SCALE_SHIFT        3
  20
  21 #define KASAN_SHADOW_START      (KASAN_SHADOW_OFFSET + \
  22                                  (PAGE_OFFSET >> KASAN_SHADOW_SCALE_SHIFT))
  23
  24 #define KASAN_SHADOW_OFFSET     ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET)
  25
  26 #define KASAN_SHADOW_END        0UL
  27
  28 #define KASAN_SHADOW_SIZE       (KASAN_SHADOW_END - KASAN_SHADOW_START)
  29
  30 #ifdef CONFIG_KASAN
  31 void kasan_early_init(void);
  32 void kasan_mmu_init(void);
  33 void kasan_init(void);
  34 #else
  35 static inline void kasan_init(void) { }
  36 static inline void kasan_mmu_init(void) { }
  37 #endif
  38
  39 #endif /* __ASSEMBLY */
  40 #endif