xref: /xnu-11215.61.5/libkern/img4/interface.c (revision 4f1223e81cd707a65cc109d0b8ad6653699da3c4)
1*4f1223e8SApple OSS Distributions #include <libkern/libkern.h>
2*4f1223e8SApple OSS Distributions #include <libkern/section_keywords.h>
3*4f1223e8SApple OSS Distributions #include <libkern/img4/interface.h>
4*4f1223e8SApple OSS Distributions 
5*4f1223e8SApple OSS Distributions #if defined(SECURITY_READ_ONLY_LATE)
6*4f1223e8SApple OSS Distributions SECURITY_READ_ONLY_LATE(const img4_interface_t *) img4if = NULL;
7*4f1223e8SApple OSS Distributions #else
8*4f1223e8SApple OSS Distributions const img4_interface_t *img4if = NULL;
9*4f1223e8SApple OSS Distributions #endif
10*4f1223e8SApple OSS Distributions 
11*4f1223e8SApple OSS Distributions void
img4_interface_register(const img4_interface_t * i4)12*4f1223e8SApple OSS Distributions img4_interface_register(const img4_interface_t *i4)
13*4f1223e8SApple OSS Distributions {
14*4f1223e8SApple OSS Distributions 	if (img4if) {
15*4f1223e8SApple OSS Distributions 		panic("img4 interface already set");
16*4f1223e8SApple OSS Distributions 	}
17*4f1223e8SApple OSS Distributions 	img4if = i4;
18*4f1223e8SApple OSS Distributions }
19