xref: /xnu-10063.101.15/libkern/img4/interface.c (revision 94d3b452840153a99b38a3a9659680b2a006908e)
1*94d3b452SApple OSS Distributions #include <libkern/libkern.h>
2*94d3b452SApple OSS Distributions #include <libkern/section_keywords.h>
3*94d3b452SApple OSS Distributions #include <libkern/img4/interface.h>
4*94d3b452SApple OSS Distributions 
5*94d3b452SApple OSS Distributions #if defined(SECURITY_READ_ONLY_LATE)
6*94d3b452SApple OSS Distributions SECURITY_READ_ONLY_LATE(const img4_interface_t *) img4if = NULL;
7*94d3b452SApple OSS Distributions #else
8*94d3b452SApple OSS Distributions const img4_interface_t *img4if = NULL;
9*94d3b452SApple OSS Distributions #endif
10*94d3b452SApple OSS Distributions 
11*94d3b452SApple OSS Distributions void
img4_interface_register(const img4_interface_t * i4)12*94d3b452SApple OSS Distributions img4_interface_register(const img4_interface_t *i4)
13*94d3b452SApple OSS Distributions {
14*94d3b452SApple OSS Distributions 	if (img4if) {
15*94d3b452SApple OSS Distributions 		panic("img4 interface already set");
16*94d3b452SApple OSS Distributions 	}
17*94d3b452SApple OSS Distributions 	img4if = i4;
18*94d3b452SApple OSS Distributions }
19