2004-07-23 Mark Kettenis <kettenis@gnu.org>
+ * sparc64nbsd-nat.c: Include "regcache.h", <sys/types.h>,
+ <machine/pcb.h> and "bsd-kvm.h".
+ (sparc64nbsd_supply_pcb): New function.
+ (_initialize_sparc64nbsd_nat): Renamed from
+ _initialize_sparcnbsd_nat. Enable libkvm interface.
+ * Makefile.in (sparc64nbsd-nat.o): Update dependencies.
+ * config/sparc/nbsd64.mh (NATDEPFILES): Add bsd-kvm.o
+ (LOADLIBES): New variable.
+
* config/sparc/obsd64.mt (TDEPFILES): Add sparcobsd-tdep.o.
* sparcnbsd-nat.c (sparc32nbsd_supply_pcb): Fix typo in comment.
$(solib_svr4_h) $(sparc64_tdep_h)
sparc64-nat.o: sparc64-nat.c $(defs_h) $(gdbarch_h) $(sparc64_tdep_h) \
$(sparc_nat_h)
-sparc64nbsd-nat.o: sparc64nbsd-nat.c $(defs_h) $(sparc64_tdep_h) \
- $(sparc_nat_h)
+sparc64nbsd-nat.o: sparc64nbsd-nat.c $(defs_h) $(regcache_h) \
+ $(sparc64_tdep_h) $(sparc_nat_h) $(bsd_kvm_h)
sparc64nbsd-tdep.o: sparc64nbsd-tdep.c $(defs_h) $(frame_h) \
$(frame_unwind_h) $(gdbcore_h) $(osabi_h) $(regcache_h) $(regset_h) \
$(symtab_h) $(solib_svr4_h) $(trad_frame_h) $(gdb_assert_h) \
Boston, MA 02111-1307, USA. */
#include "defs.h"
+#include "regcache.h"
#include "sparc64-tdep.h"
#include "sparc-nat.h"
return 0;
}
+\f
+
+/* Support for debugging kernel virtual memory images. */
+
+#include <sys/types.h>
+#include <machine/pcb.h>
+
+#include "bsd-kvm.h"
+
+static int
+sparc64nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
+{
+ int regnum;
+
+ /* The following is true for NetBSD 1.6.2:
+
+ The pcb contains %sp and %pc, %psr and %wim. From this information
+ we reconstruct the register state as it would look when we just
+ returned from cpu_switch(). */
+
+ /* The stack pointer shouldn't be zero. */
+ if (pcb->pcb_sp == 0)
+ return 0;
+
+ regcache_raw_supply (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp);
+ regcache_raw_supply (regcache, SPARC64_PC_REGNUM, &pcb->pcb_pc);
+
+ sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
+
+ return 1;
+}
\f
/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_sparcnbsd_nat (void);
+void _initialize_sparc64nbsd_nat (void);
void
-_initialize_sparcnbsd_nat (void)
+_initialize_sparc64nbsd_nat (void)
{
sparc_supply_gregset = sparc64nbsd_supply_gregset;
sparc_collect_gregset = sparc64nbsd_collect_gregset;
sparc_collect_fpregset = sparc64nbsd_collect_fpregset;
sparc_gregset_supplies_p = sparc64nbsd_gregset_supplies_p;
sparc_fpregset_supplies_p = sparc64nbsd_fpregset_supplies_p;
+
+ /* Support debugging kernel virtual memory images. */
+ bsd_kvm_add_target (sparc64nbsd_supply_pcb);
}