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| author | marcel <marcel@FreeBSD.org> | 2005-10-26 02:22:28 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2005-10-26 02:22:28 +0000 |
| commit | 52c3518dcc2286daa2fa3c504eb4e2e9bf4c536e (patch) | |
| tree | a5850c9c628bc163065ae8c22020060bdb304d3b /gnu | |
| parent | d42b1d0003edf8ded999ffe6b87349edf04c43ef (diff) | |
| download | FreeBSD-src-52c3518dcc2286daa2fa3c504eb4e2e9bf4c536e.zip FreeBSD-src-52c3518dcc2286daa2fa3c504eb4e2e9bf4c536e.tar.gz | |
Fix dump of the unread portion of the kernel message buffer.
PR: bin/87964
Submitted by: Frank Mayhar frank at exit dot com
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/usr.bin/gdb/kgdb/main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gnu/usr.bin/gdb/kgdb/main.c b/gnu/usr.bin/gdb/kgdb/main.c index b07328c..0336bd8 100644 --- a/gnu/usr.bin/gdb/kgdb/main.c +++ b/gnu/usr.bin/gdb/kgdb/main.c @@ -197,6 +197,8 @@ kgdb_parse(const char *exp) return (n); } +#define MSGBUF_SEQ_TO_POS(size, seq) ((seq) % (size)) + static void kgdb_init_target(void) { @@ -241,6 +243,8 @@ kgdb_init_target(void) size = (int)kgdb_parse("msgbufp->msg_size"); rseq = (int)kgdb_parse("msgbufp->msg_rseq"); wseq = (int)kgdb_parse("msgbufp->msg_wseq"); + rseq = MSGBUF_SEQ_TO_POS(size, rseq); + wseq = MSGBUF_SEQ_TO_POS(size, wseq); if (bufp == 0 || size == 0 || rseq == wseq) return; |
