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--- gdb/config/i386/nm-fbsd.h Sat Jul 21 13:16:44 2001
+++ gdb/config/i386/nm-fbsd.h Mon Jun 3 10:04:54 2002
@@ -28,6 +28,10 @@
#include "i386/nm-i386.h"
+#ifndef _SYS_PARAM_H_
+#include <sys/param.h>
+#endif
+
/* Provide access to the i386 hardware debugging registers. */
#define I386_DR_LOW_SET_CONTROL(control) \
@@ -148,5 +152,32 @@
#define ld_2 d_sdt
#endif /* !SVR4_SHARED_LIBS */
+
+extern int kernel_debugging;
+extern int kernel_writablecore;
+
+#if __FreeBSD_version >= 500032
+#define ADDITIONAL_OPTIONS \
+ {"kernel", no_argument, &kernel_debugging, 1}, \
+ {"k", no_argument, &kernel_debugging, 1}, \
+ {"wcore", no_argument, &kernel_writablecore, 1}, \
+ {"w", no_argument, &kernel_writablecore, 1},
+
+#define ADDITIONAL_OPTION_HELP \
+ "\
+ --kernel Enable kernel debugging.\n\
+ --wcore Make core file writable (only works for /dev/mem).\n\
+ This option only works while debugging a kernel !!\n\
+"
+
+#define DEFAULT_PROMPT kernel_debugging?"(kgdb) ":"(gdb) "
+
+/* misuse START_PROGRESS to test whether we're running as kgdb */
+/* START_PROGRESS is called at the top of main */
+#undef START_PROGRESS
+#define START_PROGRESS(STR,N) \
+ if (!strcmp(STR, "kgdb")) \
+ kernel_debugging = 1;
+#endif
#endif /* NM_FBSD_H */
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