2 #include <linux/unistd.h>
3 #include "sysdep/tls.h"
6 static _syscall1(int, get_thread_area, user_desc_t *, u_info);
8 /* Checks whether host supports TLS, and sets *tls_min according to the value
10 * i386 host have it == 6; x86_64 host have it == 12, for i386 emulation. */
11 void check_host_supports_tls(int *supports_tls, int *tls_min) {
12 /* Values for x86 and x86_64.*/
13 int val[] = {GDT_ENTRY_TLS_MIN_I386, GDT_ENTRY_TLS_MIN_X86_64};
16 for (i = 0; i < ARRAY_SIZE(val); i++) {
18 info.entry_number = val[i];
20 if (get_thread_area(&info) == 0) {
27 else if (errno == ENOSYS)