1  #include "ktrace.h"
 2  
 3  void
 4  runtime_ktrace1(runtime_ktrace_code_t code)
 5  {
 6  	void *ra = __builtin_extract_return_addr(__builtin_return_address(1));
 7  
 8  	/* This syscall returns EINVAL when the trace isn't enabled. */
 9  	if (launchd_apple_internal) {
10  		syscall(180, code, 0, 0, 0, (long)ra);
11  	}
12  }
13  
14  void
15  runtime_ktrace0(runtime_ktrace_code_t code)
16  {
17  	void *ra = __builtin_extract_return_addr(__builtin_return_address(0));
18  
19  	/* This syscall returns EINVAL when the trace isn't enabled. */
20  	if (launchd_apple_internal) {
21  		syscall(180, code, 0, 0, 0, (long)ra);
22  	}
23  }
24  
25  void
26  runtime_ktrace(runtime_ktrace_code_t code, long a, long b, long c)
27  {
28  	void *ra = __builtin_extract_return_addr(__builtin_return_address(0));
29  
30  	/* This syscall returns EINVAL when the trace isn't enabled. */
31  	if (launchd_apple_internal) {
32  		syscall(180, code, a, b, c, (long)ra);
33  	}
34  }