xref: /xnu-8796.141.3/libsyscall/wrappers/_libc_weak_funcptr.c (revision 1b191cb58250d0705d8a51287127505aa4bc0789)
1*1b191cb5SApple OSS Distributions //
2*1b191cb5SApple OSS Distributions //  _libc_weak_funcptr.c
3*1b191cb5SApple OSS Distributions //  Libsyscall_static
4*1b191cb5SApple OSS Distributions //
5*1b191cb5SApple OSS Distributions //  Created by Ian Fang on 11/30/21.
6*1b191cb5SApple OSS Distributions //
7*1b191cb5SApple OSS Distributions //  dyld needs the following definitions to link against Libsyscall_static.
8*1b191cb5SApple OSS Distributions //  When building Libsyscall_dynamic, the weak symbols below will get overridden
9*1b191cb5SApple OSS Distributions //  by actual implementation.
10*1b191cb5SApple OSS Distributions //
11*1b191cb5SApple OSS Distributions 
12*1b191cb5SApple OSS Distributions #include "_libkernel_init.h"
13*1b191cb5SApple OSS Distributions 
14*1b191cb5SApple OSS Distributions __attribute__((weak, visibility("hidden")))
15*1b191cb5SApple OSS Distributions void *
malloc(__unused size_t size)16*1b191cb5SApple OSS Distributions malloc(__unused size_t size)
17*1b191cb5SApple OSS Distributions {
18*1b191cb5SApple OSS Distributions 	return NULL;
19*1b191cb5SApple OSS Distributions }
20*1b191cb5SApple OSS Distributions 
21*1b191cb5SApple OSS Distributions __attribute__((weak, visibility("hidden")))
22*1b191cb5SApple 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*1b191cb5SApple OSS Distributions voucher_mach_msg_fill_aux(__unused mach_msg_aux_header_t *aux_hdr,
24*1b191cb5SApple OSS Distributions     __unused mach_msg_size_t sz)
25*1b191cb5SApple OSS Distributions {
26*1b191cb5SApple OSS Distributions 	return 0;
27*1b191cb5SApple OSS Distributions }
28*1b191cb5SApple OSS Distributions 
29*1b191cb5SApple OSS Distributions __attribute__((weak, visibility("hidden")))
30*1b191cb5SApple OSS Distributions boolean_t
voucher_mach_msg_fill_aux_supported(void)31*1b191cb5SApple OSS Distributions voucher_mach_msg_fill_aux_supported(void)
32*1b191cb5SApple OSS Distributions {
33*1b191cb5SApple OSS Distributions 	return FALSE;
34*1b191cb5SApple OSS Distributions }
35