#include "defs.h"
#include "flock.h"
+#include "xlat/f_owner_types.h"
+#include "xlat/f_seals.h"
#include "xlat/fcntlcmds.h"
+#include "xlat/fcntl64cmds.h"
#include "xlat/fdflags.h"
#include "xlat/lockfcmds.h"
#include "xlat/notifyflags.h"
static void
-printflock64(struct tcb *tcp, long addr, int getlk)
+print_struct_flock64(const struct_kernel_flock64 *fl, const int getlk)
+{
+ tprints("{l_type=");
+ printxval(lockfcmds, (unsigned short) fl->l_type, "F_???");
+ tprints(", l_whence=");
+ printxval(whence_codes, (unsigned short) fl->l_whence, "SEEK_???");
+ tprintf(", l_start=%" PRId64 ", l_len=%" PRId64,
+ (int64_t) fl->l_start, (int64_t) fl->l_len);
+ if (getlk)
+ tprintf(", l_pid=%lu", (unsigned long) fl->l_pid);
+ tprints("}");
+}
+
+static void
+printflock64(struct tcb *const tcp, const kernel_ulong_t addr, const int getlk)
{
struct_kernel_flock64 fl;
- if (umove_or_printaddr(tcp, addr, &fl))
- return;
- tprints("{type=");
- printxval(lockfcmds, fl.l_type, "F_???");
- tprints(", whence=");
- printxval(whence_codes, fl.l_whence, "SEEK_???");
- tprintf(", start=%lld, len=%lld", (long long) fl.l_start, (long long) fl.l_len);
- if (getlk)
- tprintf(", pid=%lu}", (unsigned long) fl.l_pid);
- else
- tprints("}");
+ if (fetch_struct_flock64(tcp, addr, &fl))
+ print_struct_flock64(&fl, getlk);
}
static void
-printflock(struct tcb *tcp, long addr, int getlk)
+printflock(struct tcb *const tcp, const kernel_ulong_t addr, const int getlk)
{
- struct_kernel_flock fl;
+ struct_kernel_flock64 fl;
-#if SUPPORTED_PERSONALITIES > 1
- if (
-# if SIZEOF_OFF_T > SIZEOF_LONG
- current_personality != DEFAULT_PERSONALITY &&
-# endif
- current_wordsize != sizeof(fl.l_start)) {
- if (current_wordsize == 4) {
- /* 32-bit x86 app on x86_64 and similar cases */
- struct {
- short int l_type;
- short int l_whence;
- int32_t l_start; /* off_t */
- int32_t l_len; /* off_t */
- int32_t l_pid; /* pid_t */
- } fl32;
- if (umove_or_printaddr(tcp, addr, &fl32))
- return;
- fl.l_type = fl32.l_type;
- fl.l_whence = fl32.l_whence;
- fl.l_start = fl32.l_start;
- fl.l_len = fl32.l_len;
- fl.l_pid = fl32.l_pid;
- } else {
- /* let people know we have a problem here */
- tprintf("<decode error: unsupported wordsize %d>",
- current_wordsize);
- return;
- }
- } else
-#endif
- if (umove_or_printaddr(tcp, addr, &fl))
+ if (fetch_struct_flock(tcp, addr, &fl))
+ print_struct_flock64(&fl, getlk);
+}
+
+static void
+print_f_owner_ex(struct tcb *const tcp, const kernel_ulong_t addr)
+{
+ struct { int type, pid; } owner;
+
+ if (umove_or_printaddr(tcp, addr, &owner))
return;
+
tprints("{type=");
- printxval(lockfcmds, fl.l_type, "F_???");
- tprints(", whence=");
- printxval(whence_codes, fl.l_whence, "SEEK_???");
-#if SIZEOF_OFF_T > SIZEOF_LONG
- tprintf(", start=%lld, len=%lld", fl.l_start, fl.l_len);
-#else
- tprintf(", start=%ld, len=%ld", fl.l_start, fl.l_len);
-#endif
- if (getlk)
- tprintf(", pid=%lu}", (unsigned long) fl.l_pid);
- else
- tprints("}");
+ printxval(f_owner_types, owner.type, "F_OWNER_???");
+ tprintf(", pid=%d}", owner.pid);
+}
+
+static int
+print_fcntl(struct tcb *tcp)
+{
+ const unsigned int cmd = tcp->u_arg[1];
+
+ switch (cmd) {
+ case F_SETFD:
+ tprints(", ");
+ printflags(fdflags, tcp->u_arg[2], "FD_???");
+ break;
+ case F_SETOWN:
+ case F_SETPIPE_SZ:
+ tprintf(", %" PRI_kld, tcp->u_arg[2]);
+ break;
+ case F_DUPFD:
+ case F_DUPFD_CLOEXEC:
+ tprintf(", %" PRI_kld, tcp->u_arg[2]);
+ return RVAL_DECODED | RVAL_FD;
+ case F_SETFL:
+ tprints(", ");
+ tprint_open_modes(tcp->u_arg[2]);
+ break;
+ case F_SETLK:
+ case F_SETLKW:
+ tprints(", ");
+ printflock(tcp, tcp->u_arg[2], 0);
+ break;
+ case F_OFD_SETLK:
+ case F_OFD_SETLKW:
+ tprints(", ");
+ printflock64(tcp, tcp->u_arg[2], 0);
+ break;
+ case F_SETOWN_EX:
+ tprints(", ");
+ print_f_owner_ex(tcp, tcp->u_arg[2]);
+ break;
+ case F_NOTIFY:
+ tprints(", ");
+ printflags64(notifyflags, tcp->u_arg[2], "DN_???");
+ break;
+ case F_SETLEASE:
+ tprints(", ");
+ printxval64(lockfcmds, tcp->u_arg[2], "F_???");
+ break;
+ case F_ADD_SEALS:
+ tprints(", ");
+ printflags64(f_seals, tcp->u_arg[2], "F_SEAL_???");
+ break;
+ case F_SETSIG:
+ tprints(", ");
+ tprints(signame(tcp->u_arg[2]));
+ break;
+ case F_GETOWN:
+ case F_GETPIPE_SZ:
+ break;
+ case F_GETFD:
+ if (entering(tcp) || syserror(tcp) || tcp->u_rval == 0)
+ return 0;
+ tcp->auxstr = sprintflags("flags ", fdflags,
+ (kernel_ulong_t) tcp->u_rval);
+ return RVAL_HEX | RVAL_STR;
+ case F_GETFL:
+ if (entering(tcp) || syserror(tcp))
+ return 0;
+ tcp->auxstr = sprint_open_modes(tcp->u_rval);
+ return RVAL_HEX | RVAL_STR;
+ case F_GETLK:
+ if (entering(tcp))
+ return 0;
+ tprints(", ");
+ printflock(tcp, tcp->u_arg[2], 1);
+ break;
+ case F_OFD_GETLK:
+ if (entering(tcp))
+ return 0;
+ tprints(", ");
+ printflock64(tcp, tcp->u_arg[2], 1);
+ break;
+ case F_GETOWN_EX:
+ if (entering(tcp))
+ return 0;
+ tprints(", ");
+ print_f_owner_ex(tcp, tcp->u_arg[2]);
+ break;
+ case F_GETLEASE:
+ if (entering(tcp) || syserror(tcp))
+ return 0;
+ tcp->auxstr = xlookup(lockfcmds, (kernel_ulong_t) tcp->u_rval);
+ return RVAL_HEX | RVAL_STR;
+ case F_GET_SEALS:
+ if (entering(tcp) || syserror(tcp) || tcp->u_rval == 0)
+ return 0;
+ tcp->auxstr = sprintflags("seals ", f_seals,
+ (kernel_ulong_t) tcp->u_rval);
+ return RVAL_HEX | RVAL_STR;
+ case F_GETSIG:
+ if (entering(tcp) || syserror(tcp) || tcp->u_rval == 0)
+ return 0;
+ tcp->auxstr = signame(tcp->u_rval);
+ return RVAL_STR;
+ default:
+ tprintf(", %#" PRI_klx, tcp->u_arg[2]);
+ break;
+ }
+ return RVAL_DECODED;
}
SYS_FUNC(fcntl)
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
- printxval(fcntlcmds, tcp->u_arg[1], "F_???");
- switch (tcp->u_arg[1]) {
- case F_SETFD:
- tprints(", ");
- printflags(fdflags, tcp->u_arg[2], "FD_???");
- break;
- case F_SETOWN: case F_DUPFD:
- case F_DUPFD_CLOEXEC:
- tprintf(", %ld", tcp->u_arg[2]);
- break;
- case F_SETFL:
- tprints(", ");
- tprint_open_modes(tcp->u_arg[2]);
- break;
- case F_SETLK: case F_SETLKW:
- tprints(", ");
- printflock(tcp, tcp->u_arg[2], 0);
- break;
- case F_SETLK64: case F_SETLKW64:
- tprints(", ");
- printflock64(tcp, tcp->u_arg[2], 0);
- break;
- case F_NOTIFY:
- tprints(", ");
- printflags(notifyflags, tcp->u_arg[2], "DN_???");
- break;
- case F_SETLEASE:
- tprints(", ");
- printxval(lockfcmds, tcp->u_arg[2], "F_???");
- break;
- case F_GETOWN:
- break;
- default:
- return 0;
+ const unsigned int cmd = tcp->u_arg[1];
+ const char *str = xlookup(fcntlcmds, cmd);
+ if (str) {
+ tprints(str);
+ } else {
+ /*
+ * fcntl syscall does not recognize these
+ * constants, but we would like to show them
+ * for better debugging experience.
+ */
+ printxval(fcntl64cmds, cmd, "F_???");
+ }
+ }
+ return print_fcntl(tcp);
+}
+
+SYS_FUNC(fcntl64)
+{
+ const unsigned int cmd = tcp->u_arg[1];
+ if (entering(tcp)) {
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ const char *str = xlookup(fcntl64cmds, cmd);
+ if (str) {
+ tprints(str);
+ } else {
+ printxval(fcntlcmds, cmd, "F_???");
}
- return RVAL_DECODED;
- } else {
- switch (tcp->u_arg[1]) {
- case F_GETFD:
- if (syserror(tcp) || tcp->u_rval == 0)
- return 0;
- tcp->auxstr = sprintflags("flags ", fdflags, tcp->u_rval);
- return RVAL_HEX|RVAL_STR;
- case F_GETFL:
- if (syserror(tcp))
- return 0;
- tcp->auxstr = sprint_open_modes(tcp->u_rval);
- return RVAL_HEX|RVAL_STR;
- case F_GETLK:
+ }
+ switch (cmd) {
+ case F_SETLK64:
+ case F_SETLKW64:
tprints(", ");
- printflock(tcp, tcp->u_arg[2], 1);
- break;
+ printflock64(tcp, tcp->u_arg[2], 0);
+ return RVAL_DECODED;
case F_GETLK64:
- tprints(", ");
- printflock64(tcp, tcp->u_arg[2], 1);
- break;
- case F_GETLEASE:
- if (syserror(tcp))
- return 0;
- tcp->auxstr = xlookup(lockfcmds, tcp->u_rval);
- return RVAL_HEX|RVAL_STR;
- default:
- tprintf(", %#lx", tcp->u_arg[2]);
- break;
- }
+ if (exiting(tcp)) {
+ tprints(", ");
+ printflock64(tcp, tcp->u_arg[2], 1);
+ }
+ return 0;
}
- return 0;
+ return print_fcntl(tcp);
}
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