include/linux/linkage.h

33 #define SYSCALL_ALIAS(alias, name) asm(			\  argument
36 		  __stringify(name))
98 #define SYM_L_GLOBAL(name)			.globl name
99 #define SYM_L_WEAK(name)			.weak name
100 #define SYM_L_LOCAL(name)			/* nothing */
111 #define GLOBAL(name) \
112 	.globl name ASM_NL \
113 	name:
118 #define ENTRY(name) \
119 	SYM_FUNC_START(name)
127 #define WEAK(name)	   \
128 	SYM_FUNC_START_WEAK(name)
133 #define END(name) \
134 	.size name, .-name
137 /* If symbol 'name' is treated as a subroutine (gets called, and returns)
138  * then please use ENDPROC to mark 'name' as STT_FUNC for the benefit of
143 #define ENDPROC(name) \
144 	SYM_FUNC_END(name)
152 #define SYM_ENTRY(name, linkage, align...)		\
153 	linkage(name) ASM_NL				\
155 	name:
160 #define SYM_START(name, linkage, align...)		\
161 	SYM_ENTRY(name, linkage, align)
166 #define SYM_END(name, sym_type)				\
167 	.type name sym_type ASM_NL			\
168 	.size name, .-name
186 #define SYM_INNER_LABEL_ALIGN(name, linkage)	\
187 	.type name SYM_T_NONE ASM_NL			\
188 	SYM_ENTRY(name, linkage, SYM_A_ALIGN)
193 #define SYM_INNER_LABEL(name, linkage)		\
194 	.type name SYM_T_NONE ASM_NL			\
195 	SYM_ENTRY(name, linkage, SYM_A_NONE)
203 #define SYM_FUNC_START_LOCAL_ALIAS(name)		\
204 	SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)
212 #define SYM_FUNC_START_ALIAS(name)			\
213 	SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
222 #define SYM_FUNC_START(name)				\
223 	SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
228 #define SYM_FUNC_START_NOALIGN(name)			\
229 	SYM_START(name, SYM_L_GLOBAL, SYM_A_NONE)
235 #define SYM_FUNC_START_LOCAL(name)			\
236 	SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)
241 #define SYM_FUNC_START_LOCAL_NOALIGN(name)		\
242 	SYM_START(name, SYM_L_LOCAL, SYM_A_NONE)
247 #define SYM_FUNC_START_WEAK(name)			\
248 	SYM_START(name, SYM_L_WEAK, SYM_A_ALIGN)
253 #define SYM_FUNC_START_WEAK_NOALIGN(name)		\
254 	SYM_START(name, SYM_L_WEAK, SYM_A_NONE)
259 #define SYM_FUNC_END_ALIAS(name)			\
260 	SYM_END(name, SYM_T_FUNC)
269 #define SYM_FUNC_END(name)				\
270 	SYM_END(name, SYM_T_FUNC)
275 #define SYM_CODE_START(name)				\
276 	SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
281 #define SYM_CODE_START_NOALIGN(name)			\
282 	SYM_START(name, SYM_L_GLOBAL, SYM_A_NONE)
287 #define SYM_CODE_START_LOCAL(name)			\
288 	SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN)
296 #define SYM_CODE_START_LOCAL_NOALIGN(name)		\
297 	SYM_START(name, SYM_L_LOCAL, SYM_A_NONE)
302 #define SYM_CODE_END(name)				\
303 	SYM_END(name, SYM_T_NONE)
310 #define SYM_DATA_START(name)				\
311 	SYM_START(name, SYM_L_GLOBAL, SYM_A_NONE)
316 #define SYM_DATA_START_LOCAL(name)			\
317 	SYM_START(name, SYM_L_LOCAL, SYM_A_NONE)
322 #define SYM_DATA_END(name)				\
323 	SYM_END(name, SYM_T_OBJECT)
328 #define SYM_DATA_END_LABEL(name, linkage, label)	\
332 	SYM_END(name, SYM_T_OBJECT)
337 #define SYM_DATA(name, data...)				\
338 	SYM_DATA_START(name) ASM_NL				\
340 	SYM_DATA_END(name)
345 #define SYM_DATA_LOCAL(name, data...)			\
346 	SYM_DATA_START_LOCAL(name) ASM_NL			\
348 	SYM_DATA_END(name)