xref: /freebsd/sys/i386/include/sdt_machdep.h (revision 67be1e195acfaec99ce4fffeb17111ce085755f7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2024 Mark Johnston <markj@FreeBSD.org>
5  */
6 
7 #ifndef _SYS_SDT_MACHDEP_H_
8 #define	_SYS_SDT_MACHDEP_H_
9 
10 #define	_SDT_ASM_PATCH_INSTR		"nop; nop; nop; nop; nop"
11 
12 /*
13  * Work around an apparent clang bug or limitation which prevents the use of the
14  * "i" (immediate) constraint with the probe structure.
15  */
16 #define	_SDT_ASM_PROBE_CONSTRAINT	"Ws"
17 #define	_SDT_ASM_PROBE_OPERAND		"p"
18 
19 #endif
20