1#ifndef __ASM_LINKAGE_H
 2#define __ASM_LINKAGE_H
 3
 4#ifdef __ASSEMBLY__
 5#include <asm/assembler.h>
 6#endif
 7
 8#define __ALIGN		.balign CONFIG_FUNCTION_ALIGNMENT
 9#define __ALIGN_STR	".balign " #CONFIG_FUNCTION_ALIGNMENT
10
11/*
12 * When using in-kernel BTI we need to ensure that PCS-conformant
13 * assembly functions have suitable annotations.  Override
14 * SYM_FUNC_START to insert a BTI landing pad at the start of
15 * everything, the override is done unconditionally so we're more
16 * likely to notice any drift from the overridden definitions.
17 */
18#define SYM_FUNC_START(name)				\
19	SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)	\
20	bti c ;
21
22#define SYM_FUNC_START_NOALIGN(name)			\
23	SYM_START(name, SYM_L_GLOBAL, SYM_A_NONE)	\
24	bti c ;
25
26#define SYM_FUNC_START_LOCAL(name)			\
27	SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)	\
28	bti c ;
29
30#define SYM_FUNC_START_LOCAL_NOALIGN(name)		\
31	SYM_START(name, SYM_L_LOCAL, SYM_A_NONE)	\
32	bti c ;
33
34#define SYM_FUNC_START_WEAK(name)			\
35	SYM_START(name, SYM_L_WEAK, SYM_A_ALIGN)	\
36	bti c ;
37
38#define SYM_FUNC_START_WEAK_NOALIGN(name)		\
39	SYM_START(name, SYM_L_WEAK, SYM_A_NONE)		\
40	bti c ;
41
42#define SYM_TYPED_FUNC_START(name)				\
43	SYM_TYPED_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)	\
44	bti c ;
45
46#endif