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-rw-r--r--io.c95
1 files changed, 87 insertions, 8 deletions
diff --git a/io.c b/io.c
index 758592d..acc5bb5 100644
--- a/io.c
+++ b/io.c
@@ -361,27 +361,106 @@ sys_sendfile(struct tcb *tcp)
return 0;
}
+static 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_sendfile64(struct tcb *tcp)
{
if (entering(tcp)) {
- loff_t offset;
-
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printfd(tcp, tcp->u_arg[1]);
tprints(", ");
- if (!tcp->u_arg[2])
- tprints("NULL");
- else if (umove(tcp, tcp->u_arg[2], &offset) < 0)
- tprintf("%#lx", tcp->u_arg[2]);
- else
- tprintf("[%llu]", (unsigned long long int) offset);
+ print_loff_t(tcp, tcp->u_arg[2]);
tprintf(", %lu", tcp->u_arg[3]);
}
return 0;
}
+static const struct xlat splice_flags[] = {
+#ifdef SPLICE_F_MOVE
+ { SPLICE_F_MOVE, "SPLICE_F_MOVE" },
+#endif
+#ifdef SPLICE_F_NONBLOCK
+ { SPLICE_F_NONBLOCK, "SPLICE_F_NONBLOCK" },
+#endif
+#ifdef SPLICE_F_MORE
+ { SPLICE_F_MORE, "SPLICE_F_MORE" },
+#endif
+#ifdef SPLICE_F_GIFT
+ { SPLICE_F_GIFT, "SPLICE_F_GIFT" },
+#endif
+ { 0, NULL },
+};
+
+int
+sys_tee(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ /* int fd_in */
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ /* int fd_out */
+ printfd(tcp, tcp->u_arg[1]);
+ tprints(", ");
+ /* size_t len */
+ tprintf("%lu, ", tcp->u_arg[2]);
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
+ }
+ return 0;
+}
+
+int
+sys_splice(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ /* int fd_in */
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ /* loff_t *off_in */
+ print_loff_t(tcp, tcp->u_arg[1]);
+ tprints(", ");
+ /* int fd_out */
+ printfd(tcp, tcp->u_arg[2]);
+ tprints(", ");
+ /* loff_t *off_out */
+ print_loff_t(tcp, tcp->u_arg[3]);
+ tprints(", ");
+ /* size_t len */
+ tprintf("%lu, ", tcp->u_arg[4]);
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[5], "SPLICE_F_???");
+ }
+ 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);
+ tprints(", ");
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
+ }
+ return 0;
+}
#endif /* LINUX */
#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T