3 rdbfs \- remote kernel debugging file system
30 a set of process files for debugging
31 a kernel over the serial line
39 will post its channel in
43 allowing the session to be shared or reattached later.
47 file presented is just a copy of
51 It can usually be ignored, since
52 the debuggers open kernel
53 files directly rather than
55 .BI /proc/ n /text\fR.
57 Kernels can be remotely debugged only when they are
59 a textual debugging protocol over their serial lines.
63 Because the debugging protocol is textual, a console
66 may be substituted for the serial device.
68 .B /sys/src/cmd/rdbfs.c
70 .B /sys/src/9/port/rdb.c