xref: /xnu-10002.1.13/libsyscall/wrappers/_libc_weak_funcptr.c (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
1*1031c584SApple OSS Distributions //
2*1031c584SApple OSS Distributions //  _libc_weak_funcptr.c
3*1031c584SApple OSS Distributions //  Libsyscall_static
4*1031c584SApple OSS Distributions //
5*1031c584SApple OSS Distributions //  Created by Ian Fang on 11/30/21.
6*1031c584SApple OSS Distributions //
7*1031c584SApple OSS Distributions //  dyld needs the following definitions to link against Libsyscall_static.
8*1031c584SApple OSS Distributions //  When building Libsyscall_dynamic, the weak symbols below will get overridden
9*1031c584SApple OSS Distributions //  by actual implementation.
10*1031c584SApple OSS Distributions //
11*1031c584SApple OSS Distributions 
12*1031c584SApple OSS Distributions #include "_libkernel_init.h"
13*1031c584SApple OSS Distributions 
14*1031c584SApple OSS Distributions __attribute__((weak, visibility("hidden")))
15*1031c584SApple OSS Distributions void *
malloc(__unused size_t size)16*1031c584SApple OSS Distributions malloc(__unused size_t size)
17*1031c584SApple OSS Distributions {
18*1031c584SApple OSS Distributions 	return NULL;
19*1031c584SApple OSS Distributions }
20*1031c584SApple OSS Distributions 
21*1031c584SApple OSS Distributions __attribute__((weak, visibility("hidden")))
22*1031c584SApple 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*1031c584SApple OSS Distributions voucher_mach_msg_fill_aux(__unused mach_msg_aux_header_t *aux_hdr,
24*1031c584SApple OSS Distributions     __unused mach_msg_size_t sz)
25*1031c584SApple OSS Distributions {
26*1031c584SApple OSS Distributions 	return 0;
27*1031c584SApple OSS Distributions }
28*1031c584SApple OSS Distributions 
29*1031c584SApple OSS Distributions __attribute__((weak, visibility("hidden")))
30*1031c584SApple OSS Distributions boolean_t
voucher_mach_msg_fill_aux_supported(void)31*1031c584SApple OSS Distributions voucher_mach_msg_fill_aux_supported(void)
32*1031c584SApple OSS Distributions {
33*1031c584SApple OSS Distributions 	return FALSE;
34*1031c584SApple OSS Distributions }
35