static void
keyctl_instantiate_key_iov(struct tcb *tcp, key_serial_t id1,
long addr, long len, key_serial_t id2)
{
print_keyring_serial_number(id1);
tprints(", ");
tprint_iov(tcp, len, addr, 1);
tprintf(", %lu, ", len);
print_keyring_serial_number(id2);
}
int
sys_writev(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
int
sys_pwritev(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu, ", tcp->u_arg[2]);
print_llu_from_low_high_val(tcp, 3);
}
return 0;
}
int
sys_pwritev(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu, ", tcp->u_arg[2]);
printllval(tcp, "%llu", PREAD_OFFSET_ARG);
}
return 0;
}
int
sys_writev(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
unsigned long total_size = dump_iov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
tprintf(", %lu", tcp->u_arg[2]);
tprintf(", %lu", total_size);
}
return 0;
}
static int
keyctl_instantiate_key_iov(struct tcb *tcp, key_serial_t id1,
long addr, long len, key_serial_t id2)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id1);
tprints(", ");
tprint_iov(tcp, len, addr, 1);
tprintf(", %lu, ", len);
print_keyring_serial_number(id2);
}
return 0;
}
int
sys_vmsplice(struct tcb *tcp)
{
if (entering(tcp)) {
/* int fd */
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
/* const struct iovec *iov, unsigned long nr_segs */
tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu, ", tcp->u_arg[2]);
/* unsigned int flags */
printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
}
return 0;
}
int
sys_preadv(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
if (syserror(tcp)) {
tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]);
return 0;
}
tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu, ", tcp->u_arg[2]);
printllval(tcp, "%llu", PREAD_OFFSET_ARG);
}
return 0;
}
int
sys_readv(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
if (syserror(tcp)) {
tprintf("%#lx, %lu",
tcp->u_arg[1], tcp->u_arg[2]);
return 0;
}
tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
int
sys_preadv(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
if (syserror(tcp)) {
tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]);
return 0;
}
tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu, ", tcp->u_arg[2]);
print_llu_from_low_high_val(tcp, 3);
}
return 0;
}
static int
do_pwritev(struct tcb *tcp, const int flags_arg)
{
kernel_ulong_t len =
truncate_kulong_to_current_wordsize(tcp->u_arg[2]);
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
tprint_iov(tcp, len, tcp->u_arg[1], IOV_DECODE_STR);
tprintf(", %" PRI_klu ", ", len);
print_lld_from_low_high_val(tcp, 3);
if (flags_arg >= 0) {
tprints(", ");
printflags(rwf_flags, tcp->u_arg[flags_arg], "RWF_???");
}
return RVAL_DECODED;
}
static void
do_msghdr(struct tcb *tcp, struct msghdr *msg)
{
tprintf("{msg_name(%d)=", msg->msg_namelen);
printsock(tcp, (long)msg->msg_name, msg->msg_namelen);
tprintf(", msg_iov(%lu)=", (unsigned long)msg->msg_iovlen);
tprint_iov(tcp, (unsigned long)msg->msg_iovlen,
(unsigned long)msg->msg_iov);
#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
tprintf(", msg_controllen=%lu", (unsigned long)msg->msg_controllen);
if (msg->msg_controllen)
printcmsghdr(tcp, (unsigned long) msg->msg_control,
msg->msg_controllen);
tprintf(", msg_flags=");
printflags(msg_flags, msg->msg_flags, "MSG_???");
#else /* !HAVE_STRUCT_MSGHDR_MSG_CONTROL */
tprintf("msg_accrights=%#lx, msg_accrightslen=%u",
(unsigned long) msg->msg_accrights, msg->msg_accrightslen);
#endif /* !HAVE_STRUCT_MSGHDR_MSG_CONTROL */
tprintf("}");
}
static void
print_iocb(struct tcb *tcp, const struct iocb *cb)
{
enum iocb_sub sub = print_iocb_header(tcp, cb);
switch (sub) {
case SUB_COMMON:
if (cb->aio_lio_opcode == 1 && iocb_is_valid(cb)) {
tprints(", str=");
printstr(tcp, (unsigned long) cb->aio_buf,
(unsigned long) cb->aio_nbytes);
} else {
tprintf(", buf=%#" PRIx64, (uint64_t) cb->aio_buf);
}
tprintf(", nbytes=%" PRIu64 ", offset=%" PRId64,
(uint64_t) cb->aio_nbytes, (int64_t) cb->aio_offset);
print_common_flags(tcp, cb);
break;
case SUB_VECTOR:
if (iocb_is_valid(cb)) {
tprints(", iovec=");
tprint_iov(tcp, cb->aio_nbytes, cb->aio_buf,
cb->aio_lio_opcode == 8
? IOV_DECODE_STR
: IOV_DECODE_ADDR);
} else {
tprintf(", buf=%#" PRIx64 ", nbytes=%" PRIu64,
(uint64_t) cb->aio_buf,
(uint64_t) cb->aio_nbytes);
}
tprintf(", offset=%" PRId64, (int64_t) cb->aio_offset);
print_common_flags(tcp, cb);
break;
case SUB_NONE:
break;
}
}
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;
}
int
sys_io_submit(struct tcb *tcp)
{
long nr;
if (entering(tcp)) {
tprintf("%lu, %ld, ", tcp->u_arg[0], tcp->u_arg[1]);
nr = tcp->u_arg[1];
/* and if nr is negative? */
if (nr == 0)
tprints("{}");
else {
#ifdef HAVE_LIBAIO_H
long i;
struct iocb *iocbp, **iocbs = (void *)tcp->u_arg[2];
for (i = 0; i < nr; i++, iocbs++) {
enum iocb_sub sub;
struct iocb iocb;
if (i == 0)
tprints("{");
else
tprints(", ");
if (umove(tcp, (unsigned long)iocbs, &iocbp) ||
umove(tcp, (unsigned long)iocbp, &iocb)) {
tprints("{...}");
continue;
}
tprints("{");
if (iocb.data)
tprintf("data:%p, ", iocb.data);
if (iocb.key)
tprintf("key:%u, ", iocb.key);
tprintf("%s, ", iocb_cmd_lookup(iocb.aio_lio_opcode, &sub));
if (iocb.aio_reqprio)
tprintf("reqprio:%d, ", iocb.aio_reqprio);
tprintf("filedes:%d", iocb.aio_fildes);
switch (sub) {
case SUB_COMMON:
#if HAVE_DECL_IO_CMD_PWRITE
if (iocb.aio_lio_opcode == IO_CMD_PWRITE) {
tprints(", str:");
printstr(tcp, (unsigned long)iocb.u.c.buf,
iocb.u.c.nbytes);
} else
#endif
tprintf(", buf:%p", iocb.u.c.buf);
tprintf(", nbytes:%lu, offset:%lld",
iocb.u.c.nbytes,
iocb.u.c.offset);
print_common_flags(&iocb);
break;
case SUB_VECTOR:
tprintf(", %lld", iocb.u.v.offset);
print_common_flags(&iocb);
tprints(", ");
tprint_iov(tcp, iocb.u.v.nr,
(unsigned long)iocb.u.v.vec,
#if HAVE_DECL_IO_CMD_PWRITEV
iocb.aio_lio_opcode == IO_CMD_PWRITEV
#else
0
#endif
);
break;
case SUB_POLL:
tprintf(", %x", iocb.u.poll.events);
break;
case SUB_NONE:
break;
}
tprints("}");
}
if (i)
tprints("}");
#else
#warning "libaio.h is not available => no io_submit decoding"
tprintf("%#lx", tcp->u_arg[2]);
#endif
}
}
return 0;
}