xref: /OK3568_Linux_fs/kernel/include/asm-generic/kprobes.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_GENERIC_KPROBES_H
3*4882a593Smuzhiyun #define _ASM_GENERIC_KPROBES_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
6*4882a593Smuzhiyun #ifdef CONFIG_KPROBES
7*4882a593Smuzhiyun /*
8*4882a593Smuzhiyun  * Blacklist ganerating macro. Specify functions which is not probed
9*4882a593Smuzhiyun  * by using this macro.
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun # define __NOKPROBE_SYMBOL(fname)				\
12*4882a593Smuzhiyun static unsigned long __used					\
13*4882a593Smuzhiyun 	__section("_kprobe_blacklist")				\
14*4882a593Smuzhiyun 	_kbl_addr_##fname = (unsigned long)fname;
15*4882a593Smuzhiyun # define NOKPROBE_SYMBOL(fname)	__NOKPROBE_SYMBOL(fname)
16*4882a593Smuzhiyun /* Use this to forbid a kprobes attach on very low level functions */
17*4882a593Smuzhiyun # define __kprobes	__section(".kprobes.text")
18*4882a593Smuzhiyun # define nokprobe_inline	__always_inline
19*4882a593Smuzhiyun #else
20*4882a593Smuzhiyun # define NOKPROBE_SYMBOL(fname)
21*4882a593Smuzhiyun # define __kprobes
22*4882a593Smuzhiyun # define nokprobe_inline	inline
23*4882a593Smuzhiyun #endif
24*4882a593Smuzhiyun #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #endif /* _ASM_GENERIC_KPROBES_H */
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