xref: /xnu-8796.121.2/libkern/img4/interface.c (revision c54f35ca767986246321eb901baf8f5ff7923f6a)
1*c54f35caSApple OSS Distributions #include <libkern/libkern.h>
2*c54f35caSApple OSS Distributions #include <libkern/section_keywords.h>
3*c54f35caSApple OSS Distributions #include <libkern/img4/interface.h>
4*c54f35caSApple OSS Distributions 
5*c54f35caSApple OSS Distributions #if defined(SECURITY_READ_ONLY_LATE)
6*c54f35caSApple OSS Distributions SECURITY_READ_ONLY_LATE(const img4_interface_t *) img4if = NULL;
7*c54f35caSApple OSS Distributions #else
8*c54f35caSApple OSS Distributions const img4_interface_t *img4if = NULL;
9*c54f35caSApple OSS Distributions #endif
10*c54f35caSApple OSS Distributions 
11*c54f35caSApple OSS Distributions void
img4_interface_register(const img4_interface_t * i4)12*c54f35caSApple OSS Distributions img4_interface_register(const img4_interface_t *i4)
13*c54f35caSApple OSS Distributions {
14*c54f35caSApple OSS Distributions 	if (img4if) {
15*c54f35caSApple OSS Distributions 		panic("img4 interface already set");
16*c54f35caSApple OSS Distributions 	}
17*c54f35caSApple OSS Distributions 	img4if = i4;
18*c54f35caSApple OSS Distributions }
19