1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */ 1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */
2 /* 2 /*
3 * NOLIBC compiler support header 3 * NOLIBC compiler support header
4 * Copyright (C) 2023 Thomas Weißschuh <linux 4 * Copyright (C) 2023 Thomas Weißschuh <linux@weissschuh.net>
5 */ 5 */
6 #ifndef _NOLIBC_COMPILER_H 6 #ifndef _NOLIBC_COMPILER_H
7 #define _NOLIBC_COMPILER_H 7 #define _NOLIBC_COMPILER_H
8 8
9 #if defined(__has_attribute) <<
10 # define __nolibc_has_attribute(attr) __has_a <<
11 #else <<
12 # define __nolibc_has_attribute(attr) 0 <<
13 #endif <<
14 <<
15 #if __nolibc_has_attribute(naked) <<
16 # define __nolibc_entrypoint __attribute__((n <<
17 # define __nolibc_entrypoint_epilogue() <<
18 #else <<
19 # define __nolibc_entrypoint __attribute__((o <<
20 # define __nolibc_entrypoint_epilogue() __bui <<
21 #endif /* __nolibc_has_attribute(naked) */ <<
22 <<
23 #if defined(__SSP__) || defined(__SSP_STRONG__ 9 #if defined(__SSP__) || defined(__SSP_STRONG__) || defined(__SSP_ALL__) || defined(__SSP_EXPLICIT__)
24 10
25 #define _NOLIBC_STACKPROTECTOR 11 #define _NOLIBC_STACKPROTECTOR
26 12
27 #endif /* defined(__SSP__) ... */ 13 #endif /* defined(__SSP__) ... */
28 14
29 #if __nolibc_has_attribute(no_stack_protector) !! 15 #if defined(__has_attribute)
30 # define __no_stack_protector __attribute__(( !! 16 # if __has_attribute(no_stack_protector)
>> 17 # define __no_stack_protector __attribute__((no_stack_protector))
>> 18 # else
>> 19 # define __no_stack_protector __attribute__((__optimize__("-fno-stack-protector")))
>> 20 # endif
31 #else 21 #else
32 # define __no_stack_protector __attribute__(( 22 # define __no_stack_protector __attribute__((__optimize__("-fno-stack-protector")))
33 #endif /* __nolibc_has_attribute(no_stack_prot !! 23 #endif /* defined(__has_attribute) */
34 24
35 #endif /* _NOLIBC_COMPILER_H */ 25 #endif /* _NOLIBC_COMPILER_H */
36 26
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