static void
btrfs_print_tree_search(struct tcb *tcp, struct btrfs_ioctl_search_key *key,
uint64_t buf_addr, uint64_t buf_size, bool print_size)
{
if (entering(tcp)) {
tprintf("{key={tree_id=");
btrfs_print_objectid(key->tree_id);
if (key->min_objectid != BTRFS_FIRST_FREE_OBJECTID ||
!abbrev(tcp)) {
tprints(", min_objectid=");
btrfs_print_objectid(key->min_objectid);
}
if (key->max_objectid != BTRFS_LAST_FREE_OBJECTID ||
!abbrev(tcp)) {
tprints(", max_objectid=");
btrfs_print_objectid(key->max_objectid);
}
print_key_value(tcp, key, min_offset);
print_key_value(tcp, key, max_offset);
print_key_value(tcp, key, min_transid);
print_key_value(tcp, key, max_transid);
tprints(", min_type=");
btrfs_print_key_type(key->min_type);
tprints(", max_type=");
btrfs_print_key_type(key->max_type);
tprintf(", nr_items=%u}", key->nr_items);
if (print_size)
tprintf(", buf_size=%" PRIu64, buf_size);
tprints("}");
} else {
tprintf("{key={nr_items=%u}", key->nr_items);
if (print_size)
tprintf(", buf_size=%" PRIu64, buf_size);
tprints(", buf=");
if (abbrev(tcp))
tprints("...");
else {
struct btrfs_ioctl_search_header sh;
print_array(tcp, buf_addr, key->nr_items,
&sh, sizeof(sh),
umoven_or_printaddr,
print_btrfs_ioctl_search_header, 0);
}
tprints("}");
}
}
static void
tprint_sembuf(struct tcb *tcp, long addr, unsigned long count)
{
unsigned long i, max_count;
if (abbrev(tcp))
max_count = (max_strlen < count) ? max_strlen : count;
else
max_count = count;
if (!max_count) {
tprintf("%#lx, %lu", addr, count);
return;
}
for (i = 0; i < max_count; ++i) {
struct sembuf sb;
if (i)
tprints(", ");
if (umove(tcp, addr + i * sizeof(struct sembuf), &sb) < 0) {
if (i) {
tprints("{???}");
break;
} else {
tprintf("%#lx, %lu", addr, count);
return;
}
} else {
if (!i)
tprints("{");
tprintf("{%u, %d, ", sb.sem_num, sb.sem_op);
printflags(semop_flags, sb.sem_flg, "SEM_???");
tprints("}");
}
}
if (i < max_count || max_count < count)
tprints(", ...");
tprintf("}, %lu", count);
}
int
sys_sigsetmask(struct tcb *tcp)
{
if (entering(tcp)) {
tprints(sprintsigmask_long("", tcp->u_arg[0]));
}
else if (!syserror(tcp)) {
tcp->auxstr = sprintsigmask_long("old mask ", tcp->u_rval);
return RVAL_HEX | RVAL_STR;
}
return 0;
}
static int
do_eventfd(struct tcb *tcp, int flags_arg)
{
if (entering(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
if (flags_arg >= 0) {
tprints(", ");
printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
}
}
return 0;
}
static int
do_pipe(struct tcb *tcp, int flags_arg)
{
if (exiting(tcp)) {
decode_pair_fd(tcp, tcp->u_arg[0]);
if (flags_arg >= 0) {
tprints(", ");
printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
}
}
return 0;
}
int
sys_setsockopt(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printsockopt(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
tprintf(", %lu", tcp->u_arg[4]);
}
return 0;
}
static void printicmpfilter(struct tcb *tcp, long addr)
{
struct icmp_filter filter;
if (!addr) {
tprints("NULL");
return;
}
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
if (umove(tcp, addr, &filter) < 0) {
tprints("{...}");
return;
}
tprints("~(");
printflags(icmpfilterflags, ~filter.data, "ICMP_???");
tprints(")");
}
static void
decode_erase_info_user64(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct erase_info_user64 einfo64;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &einfo64))
return;
tprintf("{start=%#" PRIx64 ", length=%#" PRIx64 "}",
(uint64_t) einfo64.start, (uint64_t) einfo64.length);
}
static void
decode_mtd_ecc_stats(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct mtd_ecc_stats es;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &es))
return;
tprintf("{corrected=%#x, failed=%#x, badblocks=%#x, bbtblocks=%#x}",
es.corrected, es.failed, es.badblocks, es.bbtblocks);
}
static void
decode_otp_info(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct otp_info oinfo;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &oinfo))
return;
tprintf("{start=%#x, length=%#x, locked=%u}",
oinfo.start, oinfo.length, oinfo.locked);
}
static void
print_mreq(struct tcb *tcp, long addr, unsigned int len)
{
struct ip_mreq mreq;
if (len < sizeof(mreq)) {
printstr(tcp, addr, len);
return;
}
if (umove(tcp, addr, &mreq) < 0) {
tprintf("%#lx", addr);
return;
}
tprints("{imr_multiaddr=inet_addr(");
print_quoted_string(inet_ntoa(mreq.imr_multiaddr),
16, QUOTE_0_TERMINATED);
tprints("), imr_interface=inet_addr(");
print_quoted_string(inet_ntoa(mreq.imr_interface),
16, QUOTE_0_TERMINATED);
tprints(")}");
}
int
sys_getrlimit(struct tcb *tcp)
{
if (entering(tcp)) {
printxval(resources, tcp->u_arg[0], "RLIMIT_???");
tprints(", ");
}
else {
decode_rlimit(tcp, tcp->u_arg[1]);
}
return 0;
}
int
sys_epoll_pwait(struct tcb *tcp)
{
epoll_wait_common(tcp);
if (exiting(tcp)) {
tprints(", ");
/* NB: kernel requires arg[5] == NSIG / 8 */
print_sigset_addr_len(tcp, tcp->u_arg[4], tcp->u_arg[5]);
tprintf(", %lu", tcp->u_arg[5]);
}
return 0;
}
static void
print_scm_rights(struct tcb *tcp, const void *cmsg_data, const size_t data_len)
{
const int *fds = cmsg_data;
const size_t nfds = data_len / sizeof(*fds);
size_t i;
tprints("[");
for (i = 0; i < nfds; ++i) {
if (i)
tprints(", ");
if (abbrev(tcp) && i >= max_strlen) {
tprints("...");
break;
}
printfd(tcp, fds[i]);
}
tprints("]");
}
int
osf_statfs(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printstatfs(tcp, tcp->u_arg[1]);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
int
sys_mbind(struct tcb *tcp)
{
if (entering(tcp)) {
tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
printxval(policies, tcp->u_arg[2], "MPOL_???");
get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
tprints(", ");
printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
}
return 0;
}
int
sys_write(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
dump_bytes(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
void
print_loff_t(struct tcb *tcp, long addr)
{
loff_t offset;
if (!addr)
tprints("NULL");
else if (umove(tcp, addr, &offset) < 0)
tprintf("%#lx", addr);
else
tprintf("[%llu]", (unsigned long long int) offset);
}
int
sys_ppoll(struct tcb *tcp)
{
int rc = decode_poll(tcp, tcp->u_arg[2]);
if (entering(tcp)) {
print_timespec(tcp, tcp->u_arg[2]);
tprints(", ");
print_sigset(tcp, tcp->u_arg[3], 0);
tprintf(", %lu", tcp->u_arg[4]);
}
return rc;
}
int
sys_rt_sigsuspend(struct tcb *tcp)
{
if (entering(tcp)) {
sigset_t sigm;
if (copy_sigset_len(tcp, tcp->u_arg[0], &sigm, tcp->u_arg[1]) < 0)
tprints("[?]");
else
printsigmask(&sigm, 1);
}
return 0;
}
void
print_sigset(struct tcb *tcp, long addr, int rt)
{
sigset_t ss;
if (!addr)
tprints("NULL");
else if (copy_sigset(tcp, addr, &ss) < 0)
tprintf("%#lx", addr);
else
printsigmask(&ss, rt);
}
static void
print_scm_rights(struct tcb *tcp, const void *cmsg_data,
const size_t data_len)
{
const int *fds = cmsg_data;
const char *end = (const char *) cmsg_data + data_len;
bool seen = false;
if (sizeof(*fds) > data_len)
return;
tprints(", [");
while ((const char *) fds < end) {
if (seen)
tprints(", ");
else
seen = true;
printfd(tcp, *fds++);
}
tprints("]");
}
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;
}
static int
keyctl_reject_key(struct tcb *tcp, key_serial_t id1, unsigned timeout,
unsigned error, key_serial_t id2)
{
if (entering(tcp)) {
tprints(", ");
print_keyring_serial_number(id1);
tprintf(", %u, %u, ", timeout, error);
print_keyring_serial_number(id2);
}
return 0;
}
static bool
decode_rtnl_link_stats(struct tcb *const tcp,
const kernel_ulong_t addr,
const unsigned int len,
const void *const opaque_data)
{
struct rtnl_link_stats st;
const unsigned int min_size =
offsetofend(struct rtnl_link_stats, tx_compressed);
const unsigned int def_size = sizeof(st);
const unsigned int size =
(len >= def_size) ? def_size :
((len == min_size) ? min_size : 0);
if (!size)
return false;
if (!umoven_or_printaddr(tcp, addr, size, &st)) {
PRINT_FIELD_U("{", st, rx_packets);
PRINT_FIELD_U(", ", st, tx_packets);
PRINT_FIELD_U(", ", st, rx_bytes);
PRINT_FIELD_U(", ", st, tx_bytes);
PRINT_FIELD_U(", ", st, rx_errors);
PRINT_FIELD_U(", ", st, tx_errors);
PRINT_FIELD_U(", ", st, rx_dropped);
PRINT_FIELD_U(", ", st, tx_dropped);
PRINT_FIELD_U(", ", st, multicast);
PRINT_FIELD_U(", ", st, collisions);
PRINT_FIELD_U(", ", st, rx_length_errors);
PRINT_FIELD_U(", ", st, rx_over_errors);
PRINT_FIELD_U(", ", st, rx_crc_errors);
PRINT_FIELD_U(", ", st, rx_frame_errors);
PRINT_FIELD_U(", ", st, rx_fifo_errors);
PRINT_FIELD_U(", ", st, rx_missed_errors);
PRINT_FIELD_U(", ", st, tx_aborted_errors);
PRINT_FIELD_U(", ", st, tx_carrier_errors);
PRINT_FIELD_U(", ", st, tx_fifo_errors);
PRINT_FIELD_U(", ", st, tx_heartbeat_errors);
PRINT_FIELD_U(", ", st, tx_window_errors);
PRINT_FIELD_U(", ", st, rx_compressed);
PRINT_FIELD_U(", ", st, tx_compressed);
#ifdef HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER
if (len >= def_size)
PRINT_FIELD_U(", ", st, rx_nohandler);
#endif
tprints("}");
}
return true;
}
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_pwrite(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu, ", tcp->u_arg[2]);
printllval(tcp, "%llu", PREAD_OFFSET_ARG);
}
return 0;
}
static void
print_cap_bits(const uint32_t lo, const uint32_t hi)
{
if (lo || !hi)
printflags(cap_mask0, lo, "CAP_???");
if (hi) {
if (lo)
tprints("|");
printflags(cap_mask1, hi, "CAP_???");
}
}
static void
decode_old_sigaction(struct tcb *tcp, long addr)
{
struct old_sigaction sa;
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
if (current_wordsize != sizeof(sa.__sa_handler) && current_wordsize == 4) {
struct old_sigaction32 sa32;
if (umove_or_printaddr(tcp, addr, &sa32))
return;
memset(&sa, 0, sizeof(sa));
sa.__sa_handler = (void*)(uintptr_t)sa32.__sa_handler;
sa.sa_flags = sa32.sa_flags;
#if HAVE_SA_RESTORER && defined SA_RESTORER
sa.sa_restorer = (void*)(uintptr_t)sa32.sa_restorer;
#endif
sa.sa_mask = sa32.sa_mask;
} else
#endif
if (umove_or_printaddr(tcp, addr, &sa))
return;
/* Architectures using function pointers, like
* hppa, may need to manipulate the function pointer
* to compute the result of a comparison. However,
* the __sa_handler function pointer exists only in
* the address space of the traced process, and can't
* be manipulated by strace. In order to prevent the
* compiler from generating code to manipulate
* __sa_handler we cast the function pointers to long. */
tprints("{");
if ((long)sa.__sa_handler == (long)SIG_ERR)
tprints("SIG_ERR");
else if ((long)sa.__sa_handler == (long)SIG_DFL)
tprints("SIG_DFL");
else if ((long)sa.__sa_handler == (long)SIG_IGN)
tprints("SIG_IGN");
else
printaddr((long) sa.__sa_handler);
tprints(", ");
#ifdef MIPS
tprintsigmask_addr("", sa.sa_mask);
#else
tprintsigmask_val("", sa.sa_mask);
#endif
tprints(", ");
printflags(sigact_flags, sa.sa_flags, "SA_???");
#if HAVE_SA_RESTORER && defined SA_RESTORER
if (sa.sa_flags & SA_RESTORER)
tprintf(", %p", sa.sa_restorer);
#endif
tprints("}");
}
void
printsigevent(struct tcb *tcp, long arg)
{
struct sigevent sev;
#if SUPPORTED_PERSONALITIES > 1
if (current_wordsize == 4) {
printsigevent32(tcp, arg);
return;
}
#endif
if (umove(tcp, arg, &sev) < 0)
tprints("{...}");
else {
tprintf("{%p, ", sev.sigev_value.sival_ptr);
if (sev.sigev_notify == SIGEV_SIGNAL)
tprintf("%s, ", signame(sev.sigev_signo));
else
tprintf("%u, ", sev.sigev_signo);
printxval(sigev_value, sev.sigev_notify, "SIGEV_???");
tprints(", ");
if (sev.sigev_notify == SIGEV_THREAD_ID)
#if defined(HAVE_STRUCT_SIGEVENT__SIGEV_UN__PAD)
/* _pad[0] is the _tid field which might not be
present in the userlevel definition of the
struct. */
tprintf("{%d}", sev._sigev_un._pad[0]);
#elif defined(HAVE_STRUCT_SIGEVENT___PAD)
tprintf("{%d}", sev.__pad[0]);
#else
# warning unfamiliar struct sigevent => incomplete SIGEV_THREAD_ID decoding
tprints("{...}");
#endif
else if (sev.sigev_notify == SIGEV_THREAD)
tprintf("{%p, %p}", sev.sigev_notify_function,
sev.sigev_notify_attributes);
else
tprints("{...}");
tprints("}");
}
