xref: /xnu-8792.81.2/libkern/img4/interface.c (revision 19c3b8c28c31cb8130e034cfb5df6bf9ba342d90)
1*19c3b8c2SApple OSS Distributions #include <libkern/libkern.h>
2*19c3b8c2SApple OSS Distributions #include <libkern/section_keywords.h>
3*19c3b8c2SApple OSS Distributions #include <libkern/img4/interface.h>
4*19c3b8c2SApple OSS Distributions 
5*19c3b8c2SApple OSS Distributions #if defined(SECURITY_READ_ONLY_LATE)
6*19c3b8c2SApple OSS Distributions SECURITY_READ_ONLY_LATE(const img4_interface_t *) img4if = NULL;
7*19c3b8c2SApple OSS Distributions #else
8*19c3b8c2SApple OSS Distributions const img4_interface_t *img4if = NULL;
9*19c3b8c2SApple OSS Distributions #endif
10*19c3b8c2SApple OSS Distributions 
11*19c3b8c2SApple OSS Distributions void
img4_interface_register(const img4_interface_t * i4)12*19c3b8c2SApple OSS Distributions img4_interface_register(const img4_interface_t *i4)
13*19c3b8c2SApple OSS Distributions {
14*19c3b8c2SApple OSS Distributions 	if (img4if) {
15*19c3b8c2SApple OSS Distributions 		panic("img4 interface already set");
16*19c3b8c2SApple OSS Distributions 	}
17*19c3b8c2SApple OSS Distributions 	img4if = i4;
18*19c3b8c2SApple OSS Distributions }
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