xref: /xnu-8019.80.24/tests/posix_spawn_alt_rosetta_helper.c (revision a325d9c4a84054e40bbe985afedcb50ab80993ea)
1*a325d9c4SApple OSS Distributions #include <stdio.h>
2*a325d9c4SApple OSS Distributions #include <mach-o/dyld.h>
3*a325d9c4SApple OSS Distributions #include <mach-o/dyld_images.h>
4*a325d9c4SApple OSS Distributions #include <libproc.h>
5*a325d9c4SApple OSS Distributions 
6*a325d9c4SApple OSS Distributions /*
7*a325d9c4SApple OSS Distributions  * Returns 1 if the standard Rosetta runtime is loaded, 2 if the alternative
8*a325d9c4SApple OSS Distributions  * runtime is loaded, and 0 if no runtime was detected.
9*a325d9c4SApple OSS Distributions  */
10*a325d9c4SApple OSS Distributions int
main(int argc,const char * argv[])11*a325d9c4SApple OSS Distributions main(int argc, const char * argv[])
12*a325d9c4SApple OSS Distributions {
13*a325d9c4SApple OSS Distributions 	unsigned depth = 1;
14*a325d9c4SApple OSS Distributions 	vm_size_t size = 0;
15*a325d9c4SApple OSS Distributions 	vm_address_t address = 0;
16*a325d9c4SApple OSS Distributions 	vm_address_t end_address;
17*a325d9c4SApple OSS Distributions 	kern_return_t err = KERN_SUCCESS;
18*a325d9c4SApple OSS Distributions 	mach_msg_type_number_t count = VM_REGION_SUBMAP_INFO_COUNT_64;
19*a325d9c4SApple OSS Distributions 	struct vm_region_submap_info_64 info;
20*a325d9c4SApple OSS Distributions 	char path_buffer[MAXPATHLEN + 1] = {0};
21*a325d9c4SApple OSS Distributions 
22*a325d9c4SApple OSS Distributions 	while (1) {
23*a325d9c4SApple OSS Distributions 		err = vm_region_recurse_64(mach_task_self(), &address, &size, &depth, (vm_region_info_t)&info, &count);
24*a325d9c4SApple OSS Distributions 		if (err != KERN_SUCCESS) {
25*a325d9c4SApple OSS Distributions 			break;
26*a325d9c4SApple OSS Distributions 		}
27*a325d9c4SApple OSS Distributions 
28*a325d9c4SApple OSS Distributions 		end_address = address + size;
29*a325d9c4SApple OSS Distributions 		err = proc_regionfilename(getpid(), address, path_buffer, MAXPATHLEN);
30*a325d9c4SApple OSS Distributions 		if (err == KERN_SUCCESS) {
31*a325d9c4SApple OSS Distributions 			if (strcmp(path_buffer, "/usr/libexec/rosetta/runtime") == 0) {
32*a325d9c4SApple OSS Distributions 				printf("0x%016lx-0x%016lx %s\n", address, end_address, path_buffer);
33*a325d9c4SApple OSS Distributions 				return 1;
34*a325d9c4SApple OSS Distributions 			} else if (strcmp(path_buffer, "/usr/local/libexec/rosetta/runtime_internal") == 0) {
35*a325d9c4SApple OSS Distributions 				printf("0x%016lx-0x%016lx %s\n", address, end_address, path_buffer);
36*a325d9c4SApple OSS Distributions 				return 2;
37*a325d9c4SApple OSS Distributions 			}
38*a325d9c4SApple OSS Distributions 		}
39*a325d9c4SApple OSS Distributions 
40*a325d9c4SApple OSS Distributions 		address = end_address;
41*a325d9c4SApple OSS Distributions 	}
42*a325d9c4SApple OSS Distributions 	return 0;
43*a325d9c4SApple OSS Distributions }
44