diff options
Diffstat (limited to 'signal.c')
| -rw-r--r-- | signal.c | 59 |
1 files changed, 0 insertions, 59 deletions
@@ -681,65 +681,6 @@ sys_sigsuspend(struct tcb *tcp) return 0; } -#if !defined SS_ONSTACK -#define SS_ONSTACK 1 -#define SS_DISABLE 2 -#endif - -#include "xlat/sigaltstack_flags.h" - -static void -print_stack_t(struct tcb *tcp, unsigned long addr) -{ - stack_t ss; - int r; - - if (!addr) { - tprints("NULL"); - return; - } - -#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4 - if (current_wordsize != sizeof(ss.ss_sp) && current_wordsize == 4) { - struct { - uint32_t ss_sp; - int32_t ss_flags; - uint32_t ss_size; - } ss32; - r = umove(tcp, addr, &ss32); - if (r >= 0) { - memset(&ss, 0, sizeof(ss)); - ss.ss_sp = (void*)(unsigned long) ss32.ss_sp; - ss.ss_flags = ss32.ss_flags; - ss.ss_size = (unsigned long) ss32.ss_size; - } - } else -#endif - { - r = umove(tcp, addr, &ss); - } - if (r < 0) { - tprintf("%#lx", addr); - } else { - tprintf("{ss_sp=%#lx, ss_flags=", (unsigned long) ss.ss_sp); - printflags(sigaltstack_flags, ss.ss_flags, "SS_???"); - tprintf(", ss_size=%lu}", (unsigned long) ss.ss_size); - } -} - -int -sys_sigaltstack(struct tcb *tcp) -{ - if (entering(tcp)) { - print_stack_t(tcp, tcp->u_arg[0]); - } - else { - tprints(", "); - print_stack_t(tcp, tcp->u_arg[1]); - } - return 0; -} - #ifdef HAVE_SIGACTION /* "Old" sigprocmask, which operates with word-sized signal masks */ |