xref: /xnu-12377.1.9/libsyscall/wrappers/_libc_weak_funcptr.c (revision f6217f891ac0bb64f3d375211650a4c1ff8ca1ea)
1*f6217f89SApple OSS Distributions //
2*f6217f89SApple OSS Distributions //  _libc_weak_funcptr.c
3*f6217f89SApple OSS Distributions //  Libsyscall_static
4*f6217f89SApple OSS Distributions //
5*f6217f89SApple OSS Distributions //  Created by Ian Fang on 11/30/21.
6*f6217f89SApple OSS Distributions //
7*f6217f89SApple OSS Distributions //  dyld needs the following definitions to link against Libsyscall_static.
8*f6217f89SApple OSS Distributions //  When building Libsyscall_dynamic, the weak symbols below will get overridden
9*f6217f89SApple OSS Distributions //  by actual implementation.
10*f6217f89SApple OSS Distributions //
11*f6217f89SApple OSS Distributions 
12*f6217f89SApple OSS Distributions #include "_libkernel_init.h"
13*f6217f89SApple OSS Distributions 
14*f6217f89SApple OSS Distributions __attribute__((weak, visibility("hidden")))
15*f6217f89SApple OSS Distributions void *
malloc(__unused size_t size)16*f6217f89SApple OSS Distributions malloc(__unused size_t size)
17*f6217f89SApple OSS Distributions {
18*f6217f89SApple OSS Distributions 	return NULL;
19*f6217f89SApple OSS Distributions }
20*f6217f89SApple OSS Distributions 
21*f6217f89SApple OSS Distributions __attribute__((weak, visibility("hidden")))
22*f6217f89SApple 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*f6217f89SApple OSS Distributions voucher_mach_msg_fill_aux(__unused mach_msg_aux_header_t *aux_hdr,
24*f6217f89SApple OSS Distributions     __unused mach_msg_size_t sz)
25*f6217f89SApple OSS Distributions {
26*f6217f89SApple OSS Distributions 	return 0;
27*f6217f89SApple OSS Distributions }
28*f6217f89SApple OSS Distributions 
29*f6217f89SApple OSS Distributions __attribute__((weak, visibility("hidden")))
30*f6217f89SApple OSS Distributions boolean_t
voucher_mach_msg_fill_aux_supported(void)31*f6217f89SApple OSS Distributions voucher_mach_msg_fill_aux_supported(void)
32*f6217f89SApple OSS Distributions {
33*f6217f89SApple OSS Distributions 	return FALSE;
34*f6217f89SApple OSS Distributions }
35