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#include "defs.h"
#if defined I386 || defined X86_64 || defined X32
# include <asm/ldt.h>
void
print_user_desc(struct tcb *tcp, long addr)
{
struct user_desc desc;
if (umove(tcp, addr, &desc) < 0) {
tprintf("%lx", addr);
return;
}
if (!verbose(tcp)) {
tprintf("{entry_number:%d, ...}", desc.entry_number);
return;
}
tprintf("{entry_number:%d, "
"base_addr:%#08x, "
"limit:%d, "
"seg_32bit:%d, "
"contents:%d, "
"read_exec_only:%d, "
"limit_in_pages:%d, "
"seg_not_present:%d, "
"useable:%d}",
desc.entry_number,
desc.base_addr,
desc.limit,
desc.seg_32bit,
desc.contents,
desc.read_exec_only,
desc.limit_in_pages,
desc.seg_not_present,
desc.useable);
}
int
sys_modify_ldt(struct tcb *tcp)
{
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
if (tcp->u_arg[1] == 0
|| tcp->u_arg[2] != sizeof(struct user_desc)) {
tprintf("%lx", tcp->u_arg[1]);
} else {
print_user_desc(tcp, tcp->u_arg[1]);
}
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
int
sys_set_thread_area(struct tcb *tcp)
{
if (entering(tcp)) {
print_user_desc(tcp, tcp->u_arg[0]);
} else {
struct user_desc desc;
if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &desc) < 0) {
/* returned entry_number is not available */
} else {
static char outstr[32];
sprintf(outstr, "entry_number:%d", desc.entry_number);
tcp->auxstr = outstr;
return RVAL_STR;
}
}
return 0;
}
int
sys_get_thread_area(struct tcb *tcp)
{
if (exiting(tcp)) {
if (syserror(tcp))
tprintf("%lx", tcp->u_arg[0]);
else
print_user_desc(tcp, tcp->u_arg[0]);
}
return 0;
}
#endif /* I386 || X86_64 || X32 */
#if defined(M68K) || defined(MIPS)
int
sys_set_thread_area(struct tcb *tcp)
{
if (entering(tcp))
tprintf("%#lx", tcp->u_arg[0]);
return 0;
}
#endif
#if defined(M68K)
int
sys_get_thread_area(struct tcb *tcp)
{
return RVAL_HEX;
}
#endif
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