| 1 | #ifndef _SYS_CDEFS_H |
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| 2 | |
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| 3 | /* This is outside of _ISOMAC to enforce that _Static_assert always |
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| 4 | uses the two-argument form. This can be removed once the minimum |
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| 5 | GCC version used to compile glibc is GCC 9.1. */ |
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| 6 | #ifndef __cplusplus |
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| 7 | # define _Static_assert(expr, diagnostic) _Static_assert (expr, diagnostic) |
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| 8 | #endif |
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| 9 | |
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| 10 | #include <misc/sys/cdefs.h> |
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| 11 | |
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| 12 | #ifndef _ISOMAC |
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| 13 | /* The compiler will optimize based on the knowledge the parameter is |
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| 14 | not NULL. This will omit tests. A robust implementation cannot allow |
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| 15 | this so when compiling glibc itself we ignore this attribute. */ |
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| 16 | # undef __nonnull |
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| 17 | # define __nonnull(params) |
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| 18 | |
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| 19 | extern void __chk_fail (void) __attribute__ ((__noreturn__)); |
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| 20 | libc_hidden_proto (__chk_fail) |
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| 21 | rtld_hidden_proto (__chk_fail) |
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| 22 | |
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| 23 | /* If we are using redirects internally to support long double, |
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| 24 | we need to tweak some macros to ensure the PLT bypass tricks |
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| 25 | continue to work in libc. */ |
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| 26 | #if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 && IS_IN (libc) && defined SHARED |
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| 27 | |
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| 28 | # undef __LDBL_REDIR_DECL |
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| 29 | # define __LDBL_REDIR_DECL(func) \ |
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| 30 | extern __typeof(func) func __asm (__ASMNAME ("__GI____ieee128_" #func)); |
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| 31 | |
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| 32 | # undef libc_hidden_ldbl_proto |
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| 33 | # define libc_hidden_ldbl_proto(func, attrs...) \ |
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| 34 | extern __typeof(func) ___ieee128_ ## func; \ |
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| 35 | libc_hidden_proto (___ieee128_ ## func, ##attrs); |
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| 36 | |
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| 37 | # undef __LDBL_REDIR2_DECL |
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| 38 | # define __LDBL_REDIR2_DECL(func) \ |
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| 39 | extern __typeof(__ ## func) __ ## func __asm (__ASMNAME ("__GI____ieee128___" #func)); |
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| 40 | |
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| 41 | #endif |
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| 42 | |
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| 43 | #endif /* !defined _ISOMAC */ |
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| 44 | |
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| 45 | #endif |
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| 46 | |
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