Date: Fri, 25 Mar 2011 18:16:49 +0000 (UTC) From: Matthew D Fleming <mdf@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/ddb db_command.c src/sys/gdb gdb_main.c gdb_packet.c src/sys/kern subr_kdb.c Message-ID: <201103251817.p2PIHCvK054480@repoman.freebsd.org>
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mdf 2011-03-25 18:16:49 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/ddb db_command.c
sys/gdb gdb_main.c gdb_packet.c
sys/kern subr_kdb.c
Log:
SVN rev 220003 on 2011-03-25 18:16:49Z by mdf
MFC r218825. [The implementation change to kdb_sysctl_available()
cannot be MFC'd as it requires a non-MFCable change (adding drains to
sbuf)].
Modify kdb_trap() so that it re-calls the dbbe_trap function as long as
the debugger back-end has changed. This means that switching from ddb
to gdb no longer requires a "step" which can be dangerous on an
already-crashed kernel.
Also add a capability to get from the gdb back-end back to ddb, by
typing ^C in the console window.
While here, simplify kdb_sysctl_available() by using
sbuf_new_for_sysctl(), and use strlcpy() instead of strncpy() since the
strlcpy semantic is desired.
Revision Changes Path
1.73.2.6 +9 -3 src/sys/ddb/db_command.c
1.7.2.2 +11 -0 src/sys/gdb/gdb_main.c
1.4.2.1 +12 -0 src/sys/gdb/gdb_packet.c
1.24.2.3 +15 -6 src/sys/kern/subr_kdb.c
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