bool
decode_netlink_selinux(struct tcb *const tcp,
const struct nlmsghdr *const nlmsghdr,
const kernel_ulong_t addr,
const unsigned int len)
{
switch (nlmsghdr->nlmsg_type) {
case SELNL_MSG_SETENFORCE: {
struct selnl_msg_setenforce msg;
if (len < sizeof(msg))
printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
else if (!umove_or_printaddr(tcp, addr, &msg)) {
PRINT_FIELD_D("{", msg, val);
tprints("}");
}
break;
}
case SELNL_MSG_POLICYLOAD: {
struct selnl_msg_policyload msg;
if (len < sizeof(msg))
printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
else if (!umove_or_printaddr(tcp, addr, &msg)) {
PRINT_FIELD_U("{", msg, seqno);
tprints("}");
}
break;
}
default:
return false;
}
return true;
}
void
print_seccomp_filter(struct tcb *tcp, unsigned long addr)
{
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
if (current_wordsize == 4) {
struct {
unsigned short len;
uint32_t filter;
} fprog;
if (!umove_or_printaddr(tcp, addr, &fprog))
decode_fprog(tcp, fprog.len, fprog.filter);
} else {
#endif
struct {
unsigned short len;
unsigned long filter;
} fprog;
if (!umove_or_printaddr(tcp, addr, &fprog))
decode_fprog(tcp, fprog.len, fprog.filter);
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
}
#endif
}
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("}");
}
static void
decode_new_sigaction(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct new_sigaction sa;
#ifndef current_wordsize
if (current_wordsize < sizeof(sa.sa_handler__)) {
struct new_sigaction32 sa32;
if (umove_or_printaddr(tcp, addr, &sa32))
return;
memset(&sa, 0, sizeof(sa));
sa.sa_handler__ = sa32.sa_handler__;
sa.sa_flags = sa32.sa_flags;
#if HAVE_SA_RESTORER && defined SA_RESTORER
sa.sa_restorer = sa32.sa_restorer;
#endif
/* Kernel treats sa_mask as an array of longs.
* For 32-bit process, "long" is uint32_t, thus, for example,
* 32th bit in sa_mask will end up as bit 0 in sa_mask[1].
* But for (64-bit) kernel, 32th bit in sa_mask is
* 32th bit in 0th (64-bit) long!
* For little-endian, it's the same.
* For big-endian, we swap 32-bit words.
*/
sa.sa_mask[0] = ULONG_LONG(sa32.sa_mask[0], sa32.sa_mask[1]);
} else
#endif
if (umove_or_printaddr(tcp, addr, &sa))
return;
tprints("{sa_handler=");
print_sa_handler(sa.sa_handler__);
tprints(", sa_mask=");
/*
* Sigset size is in tcp->u_arg[4] (SPARC)
* or in tcp->u_arg[3] (all other),
* but kernel won't handle sys_rt_sigaction
* with wrong sigset size (just returns EINVAL instead).
* We just fetch the right size, which is NSIG_BYTES.
*/
tprintsigmask_val("", sa.sa_mask);
tprints(", sa_flags=");
printflags(sigact_flags, sa.sa_flags, "SA_???");
#if HAVE_SA_RESTORER && defined SA_RESTORER
if (sa.sa_flags & SA_RESTORER) {
tprints(", sa_restorer=");
printaddr(sa.sa_restorer);
}
#endif
tprints("}");
}
MPERS_PRINTER_DECL(bool, fetch_struct_stat,
struct tcb *tcp, const unsigned long addr,
struct strace_stat *const dst)
{
#ifdef HAVE_STRUCT_STAT
struct_stat buf;
if (umove_or_printaddr(tcp, addr, &buf))
return false;
dst->dev = zero_extend_signed_to_ull(buf.st_dev);
dst->ino = zero_extend_signed_to_ull(buf.st_ino);
dst->rdev = zero_extend_signed_to_ull(buf.st_rdev);
dst->size = zero_extend_signed_to_ull(buf.st_size);
dst->blocks = zero_extend_signed_to_ull(buf.st_blocks);
dst->blksize = zero_extend_signed_to_ull(buf.st_blksize);
dst->mode = zero_extend_signed_to_ull(buf.st_mode);
dst->nlink = zero_extend_signed_to_ull(buf.st_nlink);
dst->uid = zero_extend_signed_to_ull(buf.st_uid);
dst->gid = zero_extend_signed_to_ull(buf.st_gid);
dst->atime = sign_extend_unsigned_to_ll(buf.st_atime);
dst->ctime = sign_extend_unsigned_to_ll(buf.st_ctime);
dst->mtime = sign_extend_unsigned_to_ll(buf.st_mtime);
dst->atime_nsec = TIME_NSEC(buf.st_atime_nsec);
dst->ctime_nsec = TIME_NSEC(buf.st_ctime_nsec);
dst->mtime_nsec = TIME_NSEC(buf.st_mtime_nsec);
return true;
#else /* !HAVE_STRUCT_STAT */
printaddr(addr);
return false;
#endif
}
static void
decode_termios(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct termios tios;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &tios))
return;
if (abbrev(tcp)) {
tprints("{");
printxval(baud_options, tios.c_cflag & CBAUD, "B???");
tprintf(" %sopost %sisig %sicanon %secho ...}",
(tios.c_oflag & OPOST) ? "" : "-",
(tios.c_lflag & ISIG) ? "" : "-",
(tios.c_lflag & ICANON) ? "" : "-",
(tios.c_lflag & ECHO) ? "" : "-");
return;
}
tprintf("{c_iflags=%#lx, c_oflags=%#lx, ",
(long) tios.c_iflag, (long) tios.c_oflag);
tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
(long) tios.c_cflag, (long) tios.c_lflag);
tprintf("c_line=%u, ", tios.c_line);
if (!(tios.c_lflag & ICANON))
tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
tios.c_cc[VMIN], tios.c_cc[VTIME]);
tprints("c_cc=");
print_quoted_string((char *) tios.c_cc, NCCS, QUOTE_FORCE_HEX);
tprints("}");
}
static void
decode_nand_ecclayout_user(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct nand_ecclayout_user nlay;
unsigned int i;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &nlay))
return;
tprintf("{eccbytes=%#x, eccpos={", nlay.eccbytes);
for (i = 0; i < ARRAY_SIZE(nlay.eccpos); ++i) {
if (i)
tprints(", ");
tprintf("%#x", nlay.eccpos[i]);
}
tprintf("}, oobavail=%#x, oobfree={", nlay.oobavail);
for (i = 0; i < ARRAY_SIZE(nlay.oobfree); ++i) {
if (i)
tprints(", ");
tprintf("{offset=%#x, length=%#x}",
nlay.oobfree[i].offset, nlay.oobfree[i].length);
}
tprints("}");
}
static void
decode_nand_oobinfo(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct nand_oobinfo ninfo;
unsigned int i, j;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &ninfo))
return;
tprints("{useecc=");
printxval(mtd_nandecc_options, ninfo.useecc, "MTD_NANDECC_???");
tprintf(", eccbytes=%#x", ninfo.eccbytes);
tprints(", oobfree={");
for (i = 0; i < ARRAY_SIZE(ninfo.oobfree); ++i) {
if (i)
tprints("}, ");
tprints("{");
for (j = 0; j < ARRAY_SIZE(ninfo.oobfree[0]); ++j) {
if (j)
tprints(", ");
tprintf("%#x", ninfo.oobfree[i][j]);
}
}
tprints("}}, eccpos={");
for (i = 0; i < ARRAY_SIZE(ninfo.eccpos); ++i) {
if (i)
tprints(", ");
tprintf("%#x", ninfo.eccpos[i]);
}
tprints("}");
}
MPERS_PRINTER_DECL(bool, fetch_struct_quotastat, struct tcb *const tcp,
const kernel_ulong_t data, void *p)
{
struct xfs_dqstats *dq = p;
struct_xfs_dqstats dqstat;
if (umove_or_printaddr(tcp, data, &dqstat))
return false;
dq->qs_version = dqstat.qs_version;
dq->qs_flags = dqstat.qs_flags;
dq->qs_pad = dqstat.qs_pad;
dq->qs_uquota.qfs_ino = dqstat.qs_uquota.qfs_ino;
dq->qs_uquota.qfs_nblks = dqstat.qs_uquota.qfs_nblks;
dq->qs_uquota.qfs_nextents = dqstat.qs_uquota.qfs_nextents;
dq->qs_gquota.qfs_ino = dqstat.qs_gquota.qfs_ino;
dq->qs_gquota.qfs_nblks = dqstat.qs_gquota.qfs_nblks;
dq->qs_gquota.qfs_nextents = dqstat.qs_gquota.qfs_nextents;
dq->qs_incoredqs = dqstat.qs_incoredqs;
dq->qs_btimelimit = dqstat.qs_btimelimit;
dq->qs_itimelimit = dqstat.qs_itimelimit;
dq->qs_rtbtimelimit = dqstat.qs_rtbtimelimit;
dq->qs_bwarnlimit = dqstat.qs_bwarnlimit;
dq->qs_iwarnlimit = dqstat.qs_iwarnlimit;
return true;
}
static void
print_old_dirent(struct tcb *tcp, long addr)
{
#ifdef SH64
typedef struct kernel_dirent old_dirent_t;
#else
typedef struct {
uint32_t d_ino;
uint32_t d_off;
unsigned short d_reclen;
char d_name[1];
} old_dirent_t;
#endif
old_dirent_t d;
if (umove_or_printaddr(tcp, addr, &d))
return;
tprintf("{d_ino=%lu, d_off=%lu, d_reclen=%u, d_name=",
(unsigned long) d.d_ino, (unsigned long) d.d_off, d.d_reclen);
if (d.d_reclen > D_NAME_LEN_MAX)
d.d_reclen = D_NAME_LEN_MAX;
printpathn(tcp, addr + offsetof(old_dirent_t, d_name), d.d_reclen);
tprints("}");
}
MPERS_PRINTER_DECL(int, print_timex)(struct tcb *tcp, const long addr)
{
struct_timex tx;
if (umove_or_printaddr(tcp, addr, &tx))
return -1;
tprints("{modes=");
printflags(adjtimex_modes, tx.modes, "ADJ_???");
tprintf(", offset=%jd, freq=%jd, maxerror=%ju, esterror=%ju, status=",
(intmax_t) tx.offset, (intmax_t) tx.freq,
(uintmax_t) tx.maxerror, (uintmax_t) tx.esterror);
printflags(adjtimex_status, tx.status, "STA_???");
tprintf(", constant=%jd, precision=%ju, tolerance=%jd",
(intmax_t) tx.constant, (uintmax_t) tx.precision,
(intmax_t) tx.tolerance);
tprintf(", time={%jd, %jd}",
(intmax_t) tx.time.tv_sec, (intmax_t) tx.time.tv_usec);
tprintf(", tick=%jd, ppsfreq=%jd, jitter=%jd",
(intmax_t) tx.tick, (intmax_t) tx.ppsfreq, (intmax_t) tx.jitter);
tprintf(", shift=%d, stabil=%jd, jitcnt=%jd",
tx.shift, (intmax_t) tx.stabil, (intmax_t) tx.jitcnt);
tprintf(", calcnt=%jd, errcnt=%jd, stbcnt=%jd",
(intmax_t) tx.calcnt, (intmax_t) tx.errcnt, (intmax_t) tx.stbcnt);
#ifdef HAVE_STRUCT_TIMEX_TAI
tprintf(", tai=%d", tx.tai);
#endif
tprints("}");
return 0;
}
static int
mtslots_ioctl(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg)
{
tprints(", ");
const size_t size = _IOC_SIZE(code) / sizeof(int);
if (!size) {
printaddr(arg);
return 1;
}
int buffer[size];
if (umove_or_printaddr(tcp, arg, &buffer))
return 1;
tprints("{code=");
printxval(evdev_mtslots, buffer[0], "ABS_MT_???");
tprints(", values=[");
unsigned int i;
for (i = 1; i < ARRAY_SIZE(buffer); i++)
tprintf("%s%d", i > 1 ? ", " : "", buffer[i]);
tprints("]}");
return 1;
}
static int
keycode_V2_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
{
tprints(", ");
struct input_keymap_entry ike;
if (umove_or_printaddr(tcp, arg, &ike))
return 1;
tprintf("{flags=%" PRIu8
", len=%" PRIu8 ", ",
ike.flags,
ike.len);
if (!abbrev(tcp)) {
unsigned int i;
tprintf("index=%" PRIu16 ", keycode=", ike.index);
printxval(evdev_keycode, ike.keycode, "KEY_???");
tprints(", scancode=[");
for (i = 0; i < ARRAY_SIZE(ike.scancode); i++) {
if (i > 0)
tprints(", ");
tprintf("%" PRIx8, ike.scancode[i]);
}
tprints("]");
} else {
tprints("...");
}
tprints("}");
return 1;
}
static int
abs_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
{
tprints(", ");
struct input_absinfo absinfo;
if (!umove_or_printaddr(tcp, arg, &absinfo)) {
tprintf("{value=%u"
", minimum=%u, ",
absinfo.value,
absinfo.minimum);
if (!abbrev(tcp)) {
tprintf("maximum=%u"
", fuzz=%u"
", flat=%u",
absinfo.maximum,
absinfo.fuzz,
absinfo.flat);
# ifdef HAVE_STRUCT_INPUT_ABSINFO_RESOLUTION
tprintf(", resolution=%u",
absinfo.resolution);
# endif
} else {
tprints("...");
}
tprints("}");
}
return 1;
}
static bool
decode_tc_sizespec(struct tcb *const tcp,
const kernel_ulong_t addr,
const unsigned int len,
const void *const opaque_data)
{
#ifdef HAVE_STRUCT_TC_SIZESPEC
struct tc_sizespec s;
if (len < sizeof(s))
return false;
else if (!umove_or_printaddr(tcp, addr, &s)) {
PRINT_FIELD_U("{", s, cell_log);
PRINT_FIELD_U(", ", s, size_log);
PRINT_FIELD_D(", ", s, cell_align);
PRINT_FIELD_D(", ", s, overhead);
PRINT_FIELD_U(", ", s, linklayer);
PRINT_FIELD_U(", ", s, mpu);
PRINT_FIELD_U(", ", s, mtu);
PRINT_FIELD_U(", ", s, tsize);
tprints("}");
}
return true;
#else
return false;
#endif
}
MPERS_PRINTER_DECL(int, decode_sg_req_info,
struct tcb *const tcp, const kernel_ulong_t arg)
{
struct_sg_req_info info;
if (entering(tcp))
return 0;
tprints(", ");
if (!umove_or_printaddr(tcp, arg, &info)) {
tprintf("{req_state=%hhd"
", orphan=%hhd"
", sg_io_owned=%hhd"
", problem=%hhd"
", pack_id=%d"
", usr_ptr=",
info.req_state,
info.orphan,
info.sg_io_owned,
info.problem,
info.pack_id);
printaddr(ptr_to_kulong(info.usr_ptr));
tprintf(", duration=%u}", info.duration);
}
return RVAL_IOCTL_DECODED;
}
static bool
decode_gnet_stats_queue(struct tcb *const tcp,
const kernel_ulong_t addr,
const unsigned int len,
const void *const opaque_data)
{
#ifdef HAVE_STRUCT_GNET_STATS_QUEUE
struct gnet_stats_queue qstats;
if (len < sizeof(qstats))
return false;
else if (!umove_or_printaddr(tcp, addr, &qstats)) {
PRINT_FIELD_U("{", qstats, qlen);
PRINT_FIELD_U(", ", qstats, backlog);
PRINT_FIELD_U(", ", qstats, drops);
PRINT_FIELD_U(", ", qstats, requeues);
PRINT_FIELD_U(", ", qstats, overlimits);
tprints("}");
}
return true;
#else
return false;
#endif
}
static void
decode_inet_diag_hostcond(struct tcb *const tcp,
const kernel_ulong_t addr,
const unsigned int len)
{
struct inet_diag_hostcond cond;
if (len < sizeof(cond)) {
printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
return;
}
if (umove_or_printaddr(tcp, addr, &cond))
return;
PRINT_FIELD_XVAL("{", cond, family, addrfams, "AF_???");
PRINT_FIELD_U(", ", cond, prefix_len);
PRINT_FIELD_U(", ", cond, port);
if (len > sizeof(cond)) {
tprints(", ");
decode_inet_addr(tcp, addr + sizeof(cond),
len - sizeof(cond), cond.family, "addr");
}
tprints("}");
}
MPERS_PRINTER_DECL(int, hdio_ioctl, struct tcb *tcp,
const unsigned int code, const long arg)
{
switch (code) {
case HDIO_GETGEO:
if (entering(tcp))
return 0;
else {
struct_hd_geometry geo;
tprints(", ");
if (!umove_or_printaddr(tcp, arg, &geo))
tprintf("{heads=%u, sectors=%u, "
"cylinders=%hu, start=%lu}",
(unsigned) geo.heads,
(unsigned) geo.sectors,
geo.cylinders,
(unsigned long) geo.start);
}
break;
default:
return RVAL_DECODED;
}
return RVAL_DECODED | 1;
}
static void
print_mreq6(struct tcb *tcp, long addr, unsigned int len)
{
struct ipv6_mreq mreq;
if (len < sizeof(mreq))
goto fail;
if (umove_or_printaddr(tcp, addr, &mreq))
return;
#ifdef HAVE_INET_NTOP
const struct in6_addr *in6 = &mreq.ipv6mr_multiaddr;
char address[INET6_ADDRSTRLEN];
if (!inet_ntop(AF_INET6, in6, address, sizeof(address)))
goto fail;
tprints("{ipv6mr_multiaddr=inet_pton(");
print_quoted_string(address, sizeof(address), QUOTE_0_TERMINATED);
tprints("), ipv6mr_interface=");
print_ifindex(mreq.ipv6mr_interface);
tprints("}");
return;
#endif /* HAVE_INET_NTOP */
fail:
printstr(tcp, addr, len);
}
static bool
decode_inet_diag_bc_op(struct tcb *const tcp,
const kernel_ulong_t addr,
const unsigned int len,
const void *const opaque_data)
{
struct inet_diag_bc_op op;
if (len < sizeof(op))
return false;
if (umove_or_printaddr(tcp, addr, &op))
return true;
if (len > sizeof(op))
tprints("{");
print_inet_diag_bc_op(&op);
if (len > sizeof(op)) {
tprints(", ");
decode_bytecode_data(tcp, addr + sizeof(op),
len - sizeof(op), op.code);
tprints("}");
}
return true;
}
static int
printwaitn(struct tcb *tcp, void (*const print_rusage)(struct tcb *, long))
{
if (entering(tcp)) {
/* On Linux, kernel-side pid_t is typedef'ed to int
* on all arches. Also, glibc-2.8 truncates wait3 and wait4
* pid argument to int on 64bit arches, producing,
* for example, wait4(4294967295, ...) instead of -1
* in strace. We have to use int here, not long.
*/
int pid = tcp->u_arg[0];
tprintf("%d, ", pid);
} else {
int status;
/* status */
if (tcp->u_rval == 0)
printaddr(tcp->u_arg[1]);
else if (!umove_or_printaddr(tcp, tcp->u_arg[1], &status))
printstatus(status);
/* options */
tprints(", ");
printflags(wait4_options, tcp->u_arg[2], "W???");
if (print_rusage) {
/* usage */
tprints(", ");
if (tcp->u_rval > 0)
print_rusage(tcp, tcp->u_arg[3]);
else
printaddr(tcp->u_arg[3]);
}
}
return 0;
}
void
print_user_desc(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct user_desc desc;
if (umove_or_printaddr(tcp, addr, &desc))
return;
tprintf("{entry_number:%d, "
"base_addr:%#08x, "
"limit:%d, "
"seg_32bit:%d, "
"contents:%d, "
"read_exec_only:%d, "
"limit_in_pages:%d, "
"seg_not_present:%d, "
"useable:%d}",
desc.entry_number,
desc.base_addr,
desc.limit,
desc.seg_32bit,
desc.contents,
desc.read_exec_only,
desc.limit_in_pages,
desc.seg_not_present,
desc.useable);
}
static void
btrfs_print_qgroup_inherit(struct tcb *tcp, const uint64_t qgi_addr)
{
struct btrfs_qgroup_inherit inherit;
if (umove_or_printaddr(tcp, qgi_addr, &inherit))
return;
tprintf("{flags=");
printflags64(btrfs_qgroup_inherit_flags, inherit.flags,
"BTRFS_QGROUP_INHERIT_???");
tprintf(", num_qgroups=%" PRI__u64 ", num_ref_copies=%" PRI__u64
", num_excl_copies=%" PRI__u64 ", lim=",
inherit.num_qgroups, inherit.num_ref_copies,
inherit.num_excl_copies);
btrfs_print_qgroup_limit(&inherit.lim);
tprints(", qgroups=");
if (abbrev(tcp)) {
tprints("...");
} else {
uint64_t record;
print_array(tcp, qgi_addr + offsetof(typeof(inherit), qgroups),
inherit.num_qgroups, &record, sizeof(record),
umoven_or_printaddr, print_uint64, 0);
}
tprints("}");
}
static bool
decode_ifla_inet6_cacheinfo(struct tcb *const tcp,
const kernel_ulong_t addr,
const unsigned int len,
const void *const opaque_data)
{
struct {
uint32_t max_reasm_len;
uint32_t tstamp;
uint32_t reachable_time;
uint32_t retrans_time;
} ci;
if (len < sizeof(ci))
return false;
else if (!umove_or_printaddr(tcp, addr, &ci)) {
PRINT_FIELD_U("{", ci, max_reasm_len);
PRINT_FIELD_U(", ", ci, tstamp);
PRINT_FIELD_U(", ", ci, reachable_time);
PRINT_FIELD_U(", ", ci, retrans_time);
tprints("}");
}
return true;
}
static void
btrfs_print_ino_path_container(struct tcb *tcp,
const uint64_t fspath_addr)
{
struct btrfs_data_container container;
if (umove_or_printaddr(tcp, fspath_addr, &container))
return;
btrfs_print_data_container_header(&container);
if (abbrev(tcp)) {
tprints("...");
} else {
uint64_t val_addr =
fspath_addr + offsetof(typeof(container), val);
uint64_t offset;
print_array(tcp, val_addr, container.elem_cnt,
&offset, sizeof(offset),
umoven_or_printaddr,
print_btrfs_data_container_ino_path, &val_addr);
}
btrfs_print_data_container_footer();
}
static void
btrfs_print_logical_ino_container(struct tcb *tcp,
const uint64_t inodes_addr)
{
struct btrfs_data_container container;
if (umove_or_printaddr(tcp, inodes_addr, &container))
return;
btrfs_print_data_container_header(&container);
if (abbrev(tcp)) {
tprints("...");
} else {
const uint64_t val_addr =
inodes_addr + offsetof(typeof(container), val);
uint64_t record[3];
print_array(tcp, val_addr, container.elem_cnt / 3,
record, sizeof(record),
umoven_or_printaddr,
print_btrfs_data_container_logical_ino, 0);
}
btrfs_print_data_container_footer();
}
static void
btrfs_print_balance(struct tcb *tcp, const long arg, bool out)
{
struct btrfs_ioctl_balance_args balance_args;
if (umove_or_printaddr(tcp, arg, &balance_args))
return;
tprints("{flags=");
printflags64(btrfs_balance_flags, balance_args.flags,
"BTRFS_BALANCE_???");
if (out) {
tprints(", state=");
printflags64(btrfs_balance_state, balance_args.state,
"BTRFS_BALANCE_STATE_???");
}
if (balance_args.flags & BTRFS_BALANCE_DATA)
btrfs_print_balance_args("data", &balance_args.data);
if (balance_args.flags & BTRFS_BALANCE_METADATA)
btrfs_print_balance_args("meta", &balance_args.meta);
if (balance_args.flags & BTRFS_BALANCE_SYSTEM)
btrfs_print_balance_args("sys", &balance_args.sys);
tprints("}");
}
bool
decode_netlink_sock_diag(struct tcb *const tcp,
const struct nlmsghdr *const nlmsghdr,
const kernel_ulong_t addr,
const unsigned int len)
{
uint8_t family;
if (nlmsghdr->nlmsg_type == NLMSG_DONE)
return false;
if (!umove_or_printaddr(tcp, addr, &family)) {
if (family < ARRAY_SIZE(diag_decoders)
&& len > sizeof(family)) {
const netlink_diag_decoder_t decoder =
(nlmsghdr->nlmsg_flags & NLM_F_REQUEST)
? diag_decoders[family].request
: diag_decoders[family].response;
if (decoder) {
decoder(tcp, nlmsghdr, family, addr, len);
return true;
}
}
decode_family(tcp, family, addr, len);
}
return true;
}
MPERS_PRINTER_DECL(void, printsiginfo_at,
struct tcb *const tcp, const kernel_ulong_t addr)
{
siginfo_t si;
if (!umove_or_printaddr(tcp, addr, &si))
printsiginfo(&si);
}
