xref: /xnu-10002.81.5/libsyscall/wrappers/_libc_weak_funcptr.c (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1*5e3eaea3SApple OSS Distributions //
2*5e3eaea3SApple OSS Distributions //  _libc_weak_funcptr.c
3*5e3eaea3SApple OSS Distributions //  Libsyscall_static
4*5e3eaea3SApple OSS Distributions //
5*5e3eaea3SApple OSS Distributions //  Created by Ian Fang on 11/30/21.
6*5e3eaea3SApple OSS Distributions //
7*5e3eaea3SApple OSS Distributions //  dyld needs the following definitions to link against Libsyscall_static.
8*5e3eaea3SApple OSS Distributions //  When building Libsyscall_dynamic, the weak symbols below will get overridden
9*5e3eaea3SApple OSS Distributions //  by actual implementation.
10*5e3eaea3SApple OSS Distributions //
11*5e3eaea3SApple OSS Distributions 
12*5e3eaea3SApple OSS Distributions #include "_libkernel_init.h"
13*5e3eaea3SApple OSS Distributions 
14*5e3eaea3SApple OSS Distributions __attribute__((weak, visibility("hidden")))
15*5e3eaea3SApple OSS Distributions void *
malloc(__unused size_t size)16*5e3eaea3SApple OSS Distributions malloc(__unused size_t size)
17*5e3eaea3SApple OSS Distributions {
18*5e3eaea3SApple OSS Distributions 	return NULL;
19*5e3eaea3SApple OSS Distributions }
20*5e3eaea3SApple OSS Distributions 
21*5e3eaea3SApple OSS Distributions __attribute__((weak, visibility("hidden")))
22*5e3eaea3SApple OSS Distributions mach_msg_size_t
voucher_mach_msg_fill_aux(__unused mach_msg_aux_header_t * aux_hdr,__unused mach_msg_size_t sz)23*5e3eaea3SApple OSS Distributions voucher_mach_msg_fill_aux(__unused mach_msg_aux_header_t *aux_hdr,
24*5e3eaea3SApple OSS Distributions     __unused mach_msg_size_t sz)
25*5e3eaea3SApple OSS Distributions {
26*5e3eaea3SApple OSS Distributions 	return 0;
27*5e3eaea3SApple OSS Distributions }
28*5e3eaea3SApple OSS Distributions 
29*5e3eaea3SApple OSS Distributions __attribute__((weak, visibility("hidden")))
30*5e3eaea3SApple OSS Distributions boolean_t
voucher_mach_msg_fill_aux_supported(void)31*5e3eaea3SApple OSS Distributions voucher_mach_msg_fill_aux_supported(void)
32*5e3eaea3SApple OSS Distributions {
33*5e3eaea3SApple OSS Distributions 	return FALSE;
34*5e3eaea3SApple OSS Distributions }
35