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Wait for the next character forever as kgdb wants.

This commit is contained in:
christos 2015-06-26 14:26:38 +00:00
parent 4bbed57554
commit 876dffc92e
1 changed files with 13 additions and 4 deletions
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17
sys/kern/kgdb_stub.c
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@ -1,4 +1,4 @@
/* $NetBSD: kgdb_stub.c,v 1.28 2014/09/21 17:17:15 christos Exp $ */
/* $NetBSD: kgdb_stub.c,v 1.29 2015/06/26 14:26:38 christos Exp $ */
/*
* Copyright (c) 1990, 1993
@ -45,7 +45,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kgdb_stub.c,v 1.28 2014/09/21 17:17:15 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: kgdb_stub.c,v 1.29 2015/06/26 14:26:38 christos Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -85,8 +85,17 @@ static void *kgdb_ioarg;
static u_char buffer[KGDB_BUFLEN];
static kgdb_reg_t gdb_regs[KGDB_NUMREGS];
#define GETC() ((*kgdb_getc)(kgdb_ioarg))
#define PUTC(c) ((*kgdb_putc)(kgdb_ioarg, c))
#define GETC() kgdb_waitc(kgdb_ioarg)
#define PUTC(c) (*kgdb_putc)(kgdb_ioarg, c)
static int
kgdb_waitc(void *arg)
{
int c;
while ((c = (*kgdb_getc)(arg)) == -1)
continue;
return c;
}
/*
* db_trap_callback can be hooked by MD port code to handle special