1 #include <u.h>
2 #include <thread_db.h>
3 #include <sys/ptrace.h>
4 #include <errno.h>
5 #include <sys/procfs.h>	/* psaddr_t */
6 #include <libc.h>
7 #include <mach.h>
8 
9 static char *tderrstr[] =
10 {
11 [TD_OK]			"no error",
12 [TD_ERR]		"some error",
13 [TD_NOTHR]		"no matching thread found",
14 [TD_NOSV]		"no matching synchronization handle found",
15 [TD_NOLWP]		"no matching light-weight process found",
16 [TD_BADPH]		"invalid process handle",
17 [TD_BADTH]		"invalid thread handle",
18 [TD_BADSH]		"invalid synchronization handle",
19 [TD_BADTA]		"invalid thread agent",
20 [TD_BADKEY]		"invalid key",
21 [TD_NOMSG]		"no event available",
22 [TD_NOFPREGS]	"no floating-point register content available",
23 [TD_NOLIBTHREAD]	"application not linked with thread library",
24 [TD_NOEVENT]	"requested event is not supported",
25 [TD_NOEVENT]	"requested event is not supported",
26 [TD_NOCAPAB]	"capability not available",
27 [TD_DBERR]		"internal debug library error",
28 [TD_NOAPLIC]	"operation is not applicable",
29 [TD_NOTSD]		"no thread-specific data available",
30 [TD_MALLOC]		"out of memory",
31 [TD_PARTIALREG]	"not entire register set was read or written",
32 [TD_NOXREGS]	"X register set not available for given threads",
33 [TD_TLSDEFER]	"thread has not yet allocated TLS for given module",
34 [TD_VERSION]	"version mismatch twixt libpthread and libthread_db",
35 [TD_NOTLS]		"there is no TLS segment in the given module",
36 };
37 
38 static char*
39 terr(int e)
40 {
41 	static char buf[50];
42 
43 	if(e < 0 || e >= nelem(tderrstr) || tderrstr[e] == nil){
44 		snprint(buf, sizeof buf, "thread err %d", e);
45 		return buf;
46 	}
47 	return tderrstr[e];
48 }
49