Dmitry V. Levin | 99a0544 | 2014-04-10 14:10:17 +0000 | [diff] [blame] | 1 | #include "defs.h" |
| 2 | |
| 3 | #if defined I386 || defined X86_64 || defined X32 |
| 4 | |
| 5 | # include <asm/ldt.h> |
| 6 | |
| 7 | void |
| 8 | print_user_desc(struct tcb *tcp, long addr) |
| 9 | { |
| 10 | struct user_desc desc; |
| 11 | |
| 12 | if (umove(tcp, addr, &desc) < 0) { |
| 13 | tprintf("%lx", addr); |
| 14 | return; |
| 15 | } |
| 16 | |
| 17 | if (!verbose(tcp)) { |
| 18 | tprintf("{entry_number:%d, ...}", desc.entry_number); |
| 19 | return; |
| 20 | } |
| 21 | |
| 22 | tprintf("{entry_number:%d, " |
| 23 | "base_addr:%#08x, " |
| 24 | "limit:%d, " |
| 25 | "seg_32bit:%d, " |
| 26 | "contents:%d, " |
| 27 | "read_exec_only:%d, " |
| 28 | "limit_in_pages:%d, " |
| 29 | "seg_not_present:%d, " |
| 30 | "useable:%d}", |
| 31 | desc.entry_number, |
| 32 | desc.base_addr, |
| 33 | desc.limit, |
| 34 | desc.seg_32bit, |
| 35 | desc.contents, |
| 36 | desc.read_exec_only, |
| 37 | desc.limit_in_pages, |
| 38 | desc.seg_not_present, |
| 39 | desc.useable); |
| 40 | } |
| 41 | |
| 42 | int |
| 43 | sys_modify_ldt(struct tcb *tcp) |
| 44 | { |
| 45 | if (entering(tcp)) { |
| 46 | tprintf("%ld, ", tcp->u_arg[0]); |
| 47 | if (tcp->u_arg[1] == 0 |
| 48 | || tcp->u_arg[2] != sizeof(struct user_desc)) { |
| 49 | tprintf("%lx", tcp->u_arg[1]); |
| 50 | } else { |
| 51 | print_user_desc(tcp, tcp->u_arg[1]); |
| 52 | } |
| 53 | tprintf(", %lu", tcp->u_arg[2]); |
| 54 | } |
| 55 | return 0; |
| 56 | } |
| 57 | |
| 58 | int |
| 59 | sys_set_thread_area(struct tcb *tcp) |
| 60 | { |
| 61 | if (entering(tcp)) { |
| 62 | print_user_desc(tcp, tcp->u_arg[0]); |
| 63 | } else { |
| 64 | struct user_desc desc; |
| 65 | |
| 66 | if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &desc) < 0) { |
| 67 | /* returned entry_number is not available */ |
| 68 | } else { |
| 69 | static char outstr[32]; |
| 70 | |
| 71 | sprintf(outstr, "entry_number:%d", desc.entry_number); |
| 72 | tcp->auxstr = outstr; |
| 73 | return RVAL_STR; |
| 74 | } |
| 75 | } |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | int |
| 80 | sys_get_thread_area(struct tcb *tcp) |
| 81 | { |
| 82 | if (exiting(tcp)) { |
| 83 | if (syserror(tcp)) |
| 84 | tprintf("%lx", tcp->u_arg[0]); |
| 85 | else |
| 86 | print_user_desc(tcp, tcp->u_arg[0]); |
| 87 | } |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | #endif /* I386 || X86_64 || X32 */ |
| 92 | |
| 93 | #if defined(M68K) || defined(MIPS) |
| 94 | int |
| 95 | sys_set_thread_area(struct tcb *tcp) |
| 96 | { |
| 97 | if (entering(tcp)) |
| 98 | tprintf("%#lx", tcp->u_arg[0]); |
| 99 | return 0; |
| 100 | |
| 101 | } |
| 102 | #endif |
| 103 | |
| 104 | #if defined(M68K) |
| 105 | int |
| 106 | sys_get_thread_area(struct tcb *tcp) |
| 107 | { |
| 108 | return RVAL_HEX; |
| 109 | } |
| 110 | #endif |