arch/arm64/include/asm/signal.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ARM64_ASM_SIGNAL_H
   3 #define __ARM64_ASM_SIGNAL_H
   4
   5 #include <asm/memory.h>
   6 #include <uapi/asm/signal.h>
   7 #include <uapi/asm/siginfo.h>
   8
   9 static inline void __user *arch_untagged_si_addr(void __user *addr,
  10                                                  unsigned long sig,
  11                                                  unsigned long si_code)
  12 {
  13         /*
  14          * For historical reasons, all bits of the fault address are exposed as
  15          * address bits for watchpoint exceptions. New architectures should
  16          * handle the tag bits consistently.
  17          */
  18         if (sig == SIGTRAP && si_code == TRAP_BRKPT)
  19                 return addr;
  20
  21         return untagged_addr(addr);
  22 }
  23 #define arch_untagged_si_addr arch_untagged_si_addr
  24
  25 #endif