arch/arm64/include/asm/signal.h at nocache-cleanup

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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

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kernel / arch / arm64 / include / asm / signal.h

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 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
 9static 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