1 /* SPDX-License-Identifier: GPL-2.0 */
18 /* SYM_T_FUNC -- type used by assembler to mark functions */
23 /* SYM_A_* -- align the symbol? */
26 /* SYM_L_* -- linkage of symbols */
27 #define SYM_L_GLOBAL(name)			.globl name  argument
28 #define SYM_L_WEAK(name)			.weak name  argument
29 #define SYM_L_LOCAL(name)			/* nothing */  argument
35 /* SYM_ENTRY -- use only if you have to for non-paired symbols */
37 #define SYM_ENTRY(name, linkage, align...)		\  argument
38 	linkage(name) ASM_NL				\
40 	name:
43 /* SYM_START -- use only if you have to */
45 #define SYM_START(name, linkage, align...)		\  argument
46 	SYM_ENTRY(name, linkage, align)
49 /* SYM_END -- use only if you have to */
51 #define SYM_END(name, sym_type)				\  argument
52 	.type name sym_type ASM_NL			\
53 	.set .L__sym_size_##name, .-name ASM_NL		\
54 	.size name, .-name
57 /* SYM_ALIAS -- use only if you have to */
59 #define SYM_ALIAS(alias, name, sym_type, linkage)			\  argument
61 	.set alias, name ASM_NL						\
63 	.set .L__sym_size_##alias, .L__sym_size_##name ASM_NL		\
67 /* SYM_FUNC_START -- use for global functions */
69 #define SYM_FUNC_START(name)				\  argument
70 	SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
73 /* SYM_FUNC_START_LOCAL -- use for local functions */
75 #define SYM_FUNC_START_LOCAL(name)			\  argument
76 	SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)
79 /* SYM_FUNC_START_WEAK -- use for weak functions */
81 #define SYM_FUNC_START_WEAK(name)			\  argument
82 	SYM_START(name, SYM_L_WEAK, SYM_A_ALIGN)
86  * SYM_FUNC_END -- the end of SYM_FUNC_START_LOCAL, SYM_FUNC_START,
90 #define SYM_FUNC_END(name)				\  argument
91 	SYM_END(name, SYM_T_FUNC)
95  * SYM_FUNC_ALIAS -- define a global alias for an existing function
98 #define SYM_FUNC_ALIAS(alias, name)					\  argument
99 	SYM_ALIAS(alias, name, SYM_T_FUNC, SYM_L_GLOBAL)
103  * SYM_FUNC_ALIAS_LOCAL -- define a local alias for an existing function
106 #define SYM_FUNC_ALIAS_LOCAL(alias, name)				\  argument
107 	SYM_ALIAS(alias, name, SYM_T_FUNC, SYM_L_LOCAL)
111  * SYM_FUNC_ALIAS_WEAK -- define a weak global alias for an existing function
114 #define SYM_FUNC_ALIAS_WEAK(alias, name)				\  argument
115 	SYM_ALIAS(alias, name, SYM_T_FUNC, SYM_L_WEAK)
122 #define SYM_TYPED_START(name, linkage, align...)        \  argument
123         SYM_START(name, linkage, align)
127 #define SYM_TYPED_FUNC_START(name)                      \  argument
128         SYM_TYPED_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)