xref: /rk3399_ARM-atf/include/lib/libc/cdefs.h (revision 53644fa8221b5c7b726beeda78b253f39abe479b)
18bb6de15SAntonio Nino Diaz /*
2277713e0SManish V Badarkhe  * Copyright (c) 2018-2025, Arm Limited and Contributors. All rights reserved.
38bb6de15SAntonio Nino Diaz  *
48bb6de15SAntonio Nino Diaz  * SPDX-License-Identifier: BSD-3-Clause
58bb6de15SAntonio Nino Diaz  */
68bb6de15SAntonio Nino Diaz 
78bb6de15SAntonio Nino Diaz #ifndef CDEFS_H
88bb6de15SAntonio Nino Diaz #define CDEFS_H
98bb6de15SAntonio Nino Diaz 
108bb6de15SAntonio Nino Diaz #define __dead2		__attribute__((__noreturn__))
118bb6de15SAntonio Nino Diaz #define __deprecated	__attribute__((__deprecated__))
128bb6de15SAntonio Nino Diaz #define __packed	__attribute__((__packed__))
138bb6de15SAntonio Nino Diaz #define __used		__attribute__((__used__))
148bb6de15SAntonio Nino Diaz #define __unused	__attribute__((__unused__))
15351f9cd8SYann Gautier #define __maybe_unused	__attribute__((__unused__))
168bb6de15SAntonio Nino Diaz #define __aligned(x)	__attribute__((__aligned__(x)))
178bb6de15SAntonio Nino Diaz #define __section(x)	__attribute__((__section__(x)))
18023f1bedSAndre Przywara #define __fallthrough	__attribute__((__fallthrough__))
19*53644fa8SBoyan Karatotev #define __noinline	__attribute__((__noinline__))
201dcc28cfSDaniel Boulby #if RECLAIM_INIT_CODE
211dcc28cfSDaniel Boulby /*
221dcc28cfSDaniel Boulby  * Add each function to a section that is unique so the functions can still
23*53644fa8SBoyan Karatotev  * be garbage collected.
24*53644fa8SBoyan Karatotev  *
25*53644fa8SBoyan Karatotev  * NOTICE: for this to work, these functions will NOT be inlined.
26*53644fa8SBoyan Karatotev  * TODO: the noinline attribute can be removed if RECLAIM_INIT_CODE is made
27*53644fa8SBoyan Karatotev  * platform agnostic and called after bl31_main(). Then, top-level functions
28*53644fa8SBoyan Karatotev  * (those that can't be inlined like bl31_main()) can be annotated with __init
29*53644fa8SBoyan Karatotev  * and noinline can be removed.
301dcc28cfSDaniel Boulby  */
31*53644fa8SBoyan Karatotev #define __init		__section(".text.init." __FILE__ "." __XSTRING(__LINE__)) __noinline
321dcc28cfSDaniel Boulby #else
331dcc28cfSDaniel Boulby #define __init
341dcc28cfSDaniel Boulby #endif
358bb6de15SAntonio Nino Diaz 
368bb6de15SAntonio Nino Diaz #define __printflike(fmtarg, firstvararg) \
378bb6de15SAntonio Nino Diaz 		__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
388bb6de15SAntonio Nino Diaz 
398bb6de15SAntonio Nino Diaz #define __weak_reference(sym, alias)	\
408bb6de15SAntonio Nino Diaz 	__asm__(".weak alias");		\
418bb6de15SAntonio Nino Diaz 	__asm__(".equ alias, sym")
428bb6de15SAntonio Nino Diaz 
438bb6de15SAntonio Nino Diaz #define __STRING(x)	#x
448bb6de15SAntonio Nino Diaz #define __XSTRING(x)	__STRING(x)
458bb6de15SAntonio Nino Diaz 
46277713e0SManish V Badarkhe #define __predict_true(exp)     (exp)
47277713e0SManish V Badarkhe #define __predict_false(exp)    (exp)
48277713e0SManish V Badarkhe 
498bb6de15SAntonio Nino Diaz #endif /* CDEFS_H */
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