xref: /xnu-12377.41.6/libkern/img4/interface.c (revision bbb1b6f9e71b8cdde6e5cd6f4841f207dee3d828)
1*bbb1b6f9SApple OSS Distributions #include <libkern/libkern.h>
2*bbb1b6f9SApple OSS Distributions #include <libkern/section_keywords.h>
3*bbb1b6f9SApple OSS Distributions #include <libkern/img4/interface.h>
4*bbb1b6f9SApple OSS Distributions 
5*bbb1b6f9SApple OSS Distributions #if defined(SECURITY_READ_ONLY_LATE)
6*bbb1b6f9SApple OSS Distributions SECURITY_READ_ONLY_LATE(const img4_interface_t *) img4if = NULL;
7*bbb1b6f9SApple OSS Distributions #else
8*bbb1b6f9SApple OSS Distributions const img4_interface_t *img4if = NULL;
9*bbb1b6f9SApple OSS Distributions #endif
10*bbb1b6f9SApple OSS Distributions 
11*bbb1b6f9SApple OSS Distributions void
img4_interface_register(const img4_interface_t * i4)12*bbb1b6f9SApple OSS Distributions img4_interface_register(const img4_interface_t *i4)
13*bbb1b6f9SApple OSS Distributions {
14*bbb1b6f9SApple OSS Distributions 	if (img4if) {
15*bbb1b6f9SApple OSS Distributions 		panic("img4 interface already set");
16*bbb1b6f9SApple OSS Distributions 	}
17*bbb1b6f9SApple OSS Distributions 	img4if = i4;
18*bbb1b6f9SApple OSS Distributions }
19