int sys_rt_sigtimedwait(struct tcb *tcp)
{
if (entering(tcp)) {
sigset_t sigset;
if (copy_sigset_len(tcp, tcp->u_arg[0],
&sigset, tcp->u_arg[3]) < 0)
tprints("[?]");
else
printsigmask(&sigset, 1);
tprints(", ");
/* This is the only "return" parameter, */
if (tcp->u_arg[1] != 0)
return 0;
/* ... if it's NULL, can decode all on entry */
tprints("NULL, ");
}
else if (tcp->u_arg[1] != 0) {
/* syscall exit, and u_arg[1] wasn't NULL */
printsiginfo_at(tcp, tcp->u_arg[1]);
tprints(", ");
}
else {
/* syscall exit, and u_arg[1] was NULL */
return 0;
}
print_timespec(tcp, tcp->u_arg[2]);
tprintf(", %d", (int) tcp->u_arg[3]);
return 0;
};
int sys_rt_sigtimedwait(struct tcb *tcp)
{
/* NB: kernel requires arg[3] == NSIG / 8 */
if (entering(tcp)) {
print_sigset_addr_len(tcp, tcp->u_arg[0], tcp->u_arg[3]);
tprints(", ");
/* This is the only "return" parameter, */
if (tcp->u_arg[1] != 0)
return 0;
/* ... if it's NULL, can decode all on entry */
tprints("NULL, ");
}
else if (tcp->u_arg[1] != 0) {
/* syscall exit, and u_arg[1] wasn't NULL */
printsiginfo_at(tcp, tcp->u_arg[1]);
tprints(", ");
}
else {
/* syscall exit, and u_arg[1] was NULL */
return 0;
}
print_timespec(tcp, tcp->u_arg[2]);
tprintf(", %lu", tcp->u_arg[3]);
return 0;
};
static void
print_sigqueueinfo(struct tcb *tcp, int sig, unsigned long uinfo)
{
printsignal(sig);
tprints(", ");
printsiginfo_at(tcp, uinfo);
}
static void
print_sigqueueinfo(struct tcb *const tcp, const int sig,
const kernel_ulong_t addr)
{
printsignal(sig);
tprints(", ");
printsiginfo_at(tcp, addr);
}
int
sys_ptrace(struct tcb *tcp)
{
const struct xlat *x;
unsigned long addr;
if (entering(tcp)) {
printxval(ptrace_cmds, tcp->u_arg[0], "PTRACE_???");
tprintf(", %lu, ", tcp->u_arg[1]);
addr = tcp->u_arg[2];
if (tcp->u_arg[0] == PTRACE_PEEKUSER
|| tcp->u_arg[0] == PTRACE_POKEUSER
) {
for (x = struct_user_offsets; x->str; x++) {
if (x->val >= addr)
break;
}
if (!x->str)
tprintf("%#lx, ", addr);
else if (x->val > addr && x != struct_user_offsets) {
x--;
tprintf("%s + %ld, ", x->str, addr - x->val);
}
else
tprintf("%s, ", x->str);
} else
if (tcp->u_arg[0] == PTRACE_GETREGSET
|| tcp->u_arg[0] == PTRACE_SETREGSET
) {
printxval(nt_descriptor_types, tcp->u_arg[2], "NT_???");
tprints(", ");
} else
tprintf("%#lx, ", addr);
switch (tcp->u_arg[0]) {
#ifndef IA64
case PTRACE_PEEKDATA:
case PTRACE_PEEKTEXT:
case PTRACE_PEEKUSER:
break;
#endif
case PTRACE_CONT:
case PTRACE_SINGLESTEP:
case PTRACE_SYSCALL:
case PTRACE_DETACH:
printsignal(tcp->u_arg[3]);
break;
case PTRACE_SETOPTIONS:
printflags(ptrace_setoptions_flags, tcp->u_arg[3], "PTRACE_O_???");
break;
case PTRACE_SETSIGINFO: {
printsiginfo_at(tcp, tcp->u_arg[3]);
break;
}
case PTRACE_SETREGSET:
tprint_iov(tcp, /*len:*/ 1, tcp->u_arg[3], /*as string:*/ 0);
break;
case PTRACE_GETSIGINFO:
case PTRACE_GETREGSET:
/* Don't print anything, do it at syscall return. */
break;
default:
tprintf("%#lx", tcp->u_arg[3]);
break;
}
} else {
switch (tcp->u_arg[0]) {
case PTRACE_PEEKDATA:
case PTRACE_PEEKTEXT:
case PTRACE_PEEKUSER:
#ifdef IA64
return RVAL_HEX;
#else
printnum_long(tcp, tcp->u_arg[3], "%#lx");
break;
#endif
case PTRACE_GETSIGINFO: {
printsiginfo_at(tcp, tcp->u_arg[3]);
break;
}
case PTRACE_GETREGSET:
tprint_iov(tcp, /*len:*/ 1, tcp->u_arg[3], /*as string:*/ 0);
break;
}
}
return 0;
}
