xref: /xnu-11215.81.4/tests/posix_spawn_alt_rosetta_helper.c (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1*d4514f0bSApple OSS Distributions #include <stdio.h>
2*d4514f0bSApple OSS Distributions #include <mach-o/dyld.h>
3*d4514f0bSApple OSS Distributions #include <mach-o/dyld_images.h>
4*d4514f0bSApple OSS Distributions #include <libproc.h>
5*d4514f0bSApple OSS Distributions 
6*d4514f0bSApple OSS Distributions /*
7*d4514f0bSApple OSS Distributions  * Returns 1 if the standard Rosetta runtime is loaded, 2 if the alternative
8*d4514f0bSApple OSS Distributions  * runtime is loaded, and 0 if no runtime was detected.
9*d4514f0bSApple OSS Distributions  */
10*d4514f0bSApple OSS Distributions int
main(int argc,const char * argv[])11*d4514f0bSApple OSS Distributions main(int argc, const char * argv[])
12*d4514f0bSApple OSS Distributions {
13*d4514f0bSApple OSS Distributions 	unsigned depth = 1;
14*d4514f0bSApple OSS Distributions 	vm_size_t size = 0;
15*d4514f0bSApple OSS Distributions 	vm_address_t address = 0;
16*d4514f0bSApple OSS Distributions 	vm_address_t end_address;
17*d4514f0bSApple OSS Distributions 	kern_return_t err = KERN_SUCCESS;
18*d4514f0bSApple OSS Distributions 	mach_msg_type_number_t count = VM_REGION_SUBMAP_INFO_COUNT_64;
19*d4514f0bSApple OSS Distributions 	struct vm_region_submap_info_64 info;
20*d4514f0bSApple OSS Distributions 	char path_buffer[MAXPATHLEN + 1] = {0};
21*d4514f0bSApple OSS Distributions 
22*d4514f0bSApple OSS Distributions 	while (1) {
23*d4514f0bSApple OSS Distributions 		err = vm_region_recurse_64(mach_task_self(), &address, &size, &depth, (vm_region_info_t)&info, &count);
24*d4514f0bSApple OSS Distributions 		if (err != KERN_SUCCESS) {
25*d4514f0bSApple OSS Distributions 			break;
26*d4514f0bSApple OSS Distributions 		}
27*d4514f0bSApple OSS Distributions 
28*d4514f0bSApple OSS Distributions 		end_address = address + size;
29*d4514f0bSApple OSS Distributions 		err = proc_regionfilename(getpid(), address, path_buffer, MAXPATHLEN);
30*d4514f0bSApple OSS Distributions 		if (err == KERN_SUCCESS) {
31*d4514f0bSApple OSS Distributions 			if (strcmp(path_buffer, "/usr/libexec/rosetta/runtime") == 0) {
32*d4514f0bSApple OSS Distributions 				printf("0x%016lx-0x%016lx %s\n", address, end_address, path_buffer);
33*d4514f0bSApple OSS Distributions 				return 1;
34*d4514f0bSApple OSS Distributions 			} else if (strcmp(path_buffer, "/usr/local/libexec/rosetta/runtime_internal") == 0) {
35*d4514f0bSApple OSS Distributions 				printf("0x%016lx-0x%016lx %s\n", address, end_address, path_buffer);
36*d4514f0bSApple OSS Distributions 				return 2;
37*d4514f0bSApple OSS Distributions 			}
38*d4514f0bSApple OSS Distributions 		}
39*d4514f0bSApple OSS Distributions 
40*d4514f0bSApple OSS Distributions 		address = end_address;
41*d4514f0bSApple OSS Distributions 	}
42*d4514f0bSApple OSS Distributions 	return 0;
43*d4514f0bSApple OSS Distributions }
44