xref: /xnu-11215.81.4/libsyscall/wrappers/_libc_weak_funcptr.c (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1*d4514f0bSApple OSS Distributions //
2*d4514f0bSApple OSS Distributions //  _libc_weak_funcptr.c
3*d4514f0bSApple OSS Distributions //  Libsyscall_static
4*d4514f0bSApple OSS Distributions //
5*d4514f0bSApple OSS Distributions //  Created by Ian Fang on 11/30/21.
6*d4514f0bSApple OSS Distributions //
7*d4514f0bSApple OSS Distributions //  dyld needs the following definitions to link against Libsyscall_static.
8*d4514f0bSApple OSS Distributions //  When building Libsyscall_dynamic, the weak symbols below will get overridden
9*d4514f0bSApple OSS Distributions //  by actual implementation.
10*d4514f0bSApple OSS Distributions //
11*d4514f0bSApple OSS Distributions 
12*d4514f0bSApple OSS Distributions #include "_libkernel_init.h"
13*d4514f0bSApple OSS Distributions 
14*d4514f0bSApple OSS Distributions __attribute__((weak, visibility("hidden")))
15*d4514f0bSApple OSS Distributions void *
malloc(__unused size_t size)16*d4514f0bSApple OSS Distributions malloc(__unused size_t size)
17*d4514f0bSApple OSS Distributions {
18*d4514f0bSApple OSS Distributions 	return NULL;
19*d4514f0bSApple OSS Distributions }
20*d4514f0bSApple OSS Distributions 
21*d4514f0bSApple OSS Distributions __attribute__((weak, visibility("hidden")))
22*d4514f0bSApple 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*d4514f0bSApple OSS Distributions voucher_mach_msg_fill_aux(__unused mach_msg_aux_header_t *aux_hdr,
24*d4514f0bSApple OSS Distributions     __unused mach_msg_size_t sz)
25*d4514f0bSApple OSS Distributions {
26*d4514f0bSApple OSS Distributions 	return 0;
27*d4514f0bSApple OSS Distributions }
28*d4514f0bSApple OSS Distributions 
29*d4514f0bSApple OSS Distributions __attribute__((weak, visibility("hidden")))
30*d4514f0bSApple OSS Distributions boolean_t
voucher_mach_msg_fill_aux_supported(void)31*d4514f0bSApple OSS Distributions voucher_mach_msg_fill_aux_supported(void)
32*d4514f0bSApple OSS Distributions {
33*d4514f0bSApple OSS Distributions 	return FALSE;
34*d4514f0bSApple OSS Distributions }
35