1#include <errno.h>
 2#include <sys/ptrace.h>
 3#include "sysdep/tls.h"
 4
 5/* TLS support - we basically rely on the host's one.*/
 6
 7#ifndef PTRACE_GET_THREAD_AREA
 8#define PTRACE_GET_THREAD_AREA 25
 9#endif
10
11#ifndef PTRACE_SET_THREAD_AREA
12#define PTRACE_SET_THREAD_AREA 26
13#endif
14
15int os_set_thread_area(user_desc_t *info, int pid)
16{
17	int ret;
18
19	ret = ptrace(PTRACE_SET_THREAD_AREA, pid, info->entry_number,
20		     (unsigned long) info);
21	if (ret < 0)
22		ret = -errno;
23	return ret;
24}
25
26int os_get_thread_area(user_desc_t *info, int pid)
27{
28	int ret;
29
30	ret = ptrace(PTRACE_GET_THREAD_AREA, pid, info->entry_number,
31		     (unsigned long) info);
32	if (ret < 0)
33		ret = -errno;
34	return ret;
35}