Dmitry V. Levin
583526e44a
* ldt.c (sys_modify_ldt, sys_set_thread_area, sys_get_thread_area): Update for RVAL_DECODED.
93 lines
1.6 KiB
C
93 lines
1.6 KiB
C
#include "defs.h"
|
|
|
|
#if defined I386 || defined X86_64 || defined X32
|
|
|
|
# include <asm/ldt.h>
|
|
|
|
void
|
|
print_user_desc(struct tcb *tcp, const long addr)
|
|
{
|
|
struct user_desc desc;
|
|
|
|
if (umove_or_printaddr(tcp, addr, &desc))
|
|
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);
|
|
}
|
|
|
|
SYS_FUNC(modify_ldt)
|
|
{
|
|
tprintf("%ld, ", tcp->u_arg[0]);
|
|
if (tcp->u_arg[2] != sizeof(struct user_desc))
|
|
printaddr(tcp->u_arg[1]);
|
|
else
|
|
print_user_desc(tcp, tcp->u_arg[1]);
|
|
tprintf(", %lu", tcp->u_arg[2]);
|
|
|
|
return RVAL_DECODED;
|
|
}
|
|
|
|
SYS_FUNC(set_thread_area)
|
|
{
|
|
if (entering(tcp)) {
|
|
print_user_desc(tcp, tcp->u_arg[0]);
|
|
} else {
|
|
struct user_desc desc;
|
|
|
|
if (!verbose(tcp) || 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;
|
|
}
|
|
|
|
SYS_FUNC(get_thread_area)
|
|
{
|
|
if (exiting(tcp))
|
|
print_user_desc(tcp, tcp->u_arg[0]);
|
|
return 0;
|
|
}
|
|
|
|
#endif /* I386 || X86_64 || X32 */
|
|
|
|
#if defined(M68K) || defined(MIPS)
|
|
SYS_FUNC(set_thread_area)
|
|
{
|
|
printaddr(tcp->u_arg[0]);
|
|
|
|
return RVAL_DECODED;
|
|
|
|
}
|
|
#endif
|
|
|
|
#if defined(M68K)
|
|
SYS_FUNC(get_thread_area)
|
|
{
|
|
return RVAL_DECODED | RVAL_HEX;
|
|
}
|
|
#endif
|