| Dmitry V. Levin | 174bb2b | 2015-03-26 13:03:25 +0000 | [diff] [blame] | 1 | #include "defs.h" |
| Dmitry V. Levin | 0e946ab | 2015-07-17 23:56:54 +0000 | [diff] [blame] | 2 | |
| Elvira Khabirova | cbbc23a | 2015-08-04 02:16:29 +0300 | [diff] [blame] | 3 | #include DEF_MPERS_TYPE(stack_t) |
| 4 | |
| Dmitry V. Levin | 0e946ab | 2015-07-17 23:56:54 +0000 | [diff] [blame] | 5 | #include <signal.h> |
| 6 | |
| Elvira Khabirova | cbbc23a | 2015-08-04 02:16:29 +0300 | [diff] [blame] | 7 | #include MPERS_DEFS |
| 8 | |
| Dmitry V. Levin | 174bb2b | 2015-03-26 13:03:25 +0000 | [diff] [blame] | 9 | #include "xlat/sigaltstack_flags.h" |
| 10 | |
| 11 | static void |
| 12 | print_stack_t(struct tcb *tcp, unsigned long addr) |
| 13 | { |
| 14 | stack_t ss; |
| Dmitry V. Levin | 174bb2b | 2015-03-26 13:03:25 +0000 | [diff] [blame] | 15 | |
| Dmitry V. Levin | 401295e | 2015-07-17 01:05:46 +0000 | [diff] [blame] | 16 | if (umove_or_printaddr(tcp, addr, &ss)) |
| 17 | return; |
| 18 | |
| 19 | tprints("{ss_sp="); |
| 20 | printaddr((unsigned long) ss.ss_sp); |
| 21 | tprints(", ss_flags="); |
| 22 | printflags(sigaltstack_flags, ss.ss_flags, "SS_???"); |
| 23 | tprintf(", ss_size=%lu}", (unsigned long) ss.ss_size); |
| Dmitry V. Levin | 174bb2b | 2015-03-26 13:03:25 +0000 | [diff] [blame] | 24 | } |
| 25 | |
| Dmitry V. Levin | a0bd374 | 2015-04-07 01:36:50 +0000 | [diff] [blame] | 26 | SYS_FUNC(sigaltstack) |
| Dmitry V. Levin | 174bb2b | 2015-03-26 13:03:25 +0000 | [diff] [blame] | 27 | { |
| 28 | if (entering(tcp)) { |
| 29 | print_stack_t(tcp, tcp->u_arg[0]); |
| Dmitry V. Levin | 174bb2b | 2015-03-26 13:03:25 +0000 | [diff] [blame] | 30 | tprints(", "); |
| Dmitry V. Levin | 401295e | 2015-07-17 01:05:46 +0000 | [diff] [blame] | 31 | } else { |
| Dmitry V. Levin | 174bb2b | 2015-03-26 13:03:25 +0000 | [diff] [blame] | 32 | print_stack_t(tcp, tcp->u_arg[1]); |
| 33 | } |
| 34 | return 0; |
| 35 | } |