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authorMark Kettenis <kettenis@gnu.org>2004-05-22 22:34:44 +0000
committerMark Kettenis <kettenis@gnu.org>2004-05-22 22:34:44 +0000
commit64ca7dc55c6048b4cc43769feed8fd0342988476 (patch)
tree98bf70e602395d684f56d444ce555a8b23b22bb0
parent3e89c5d98eac9b4108cad1e55598b0c1405f9970 (diff)
downloadgdb-64ca7dc55c6048b4cc43769feed8fd0342988476.tar.gz
* sparcnbsd-nat.c: Include "gdbcore.h", "regcache.h",
<sys/types.h>, <machine/pcb.h> and "bsd-kvm.h". (sparc32nbsd_supply_pcb): New function. (_initialize_sparcnbsd_nat): Enable libkvm interface. * Makefile.in (sparcnbsd-nat.o): Update dependencies. * config/sparc/nbsdelf.mh (NATDEPFILES): Add bsd-kvm.o. (LOADLIBES): New variable.
-rw-r--r--gdb/ChangeLog10
-rw-r--r--gdb/Makefile.in3
-rw-r--r--gdb/config/sparc/nbsdelf.mh4
-rw-r--r--gdb/sparcnbsd-nat.c37
4 files changed, 52 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f95f5335fd2..30772fbabd2 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,13 @@
+2004-05-23 Mark Kettenis <kettenis@gnu.org>
+
+ * sparcnbsd-nat.c: Include "gdbcore.h", "regcache.h",
+ <sys/types.h>, <machine/pcb.h> and "bsd-kvm.h".
+ (sparc32nbsd_supply_pcb): New function.
+ (_initialize_sparcnbsd_nat): Enable libkvm interface.
+ * Makefile.in (sparcnbsd-nat.o): Update dependencies.
+ * config/sparc/nbsdelf.mh (NATDEPFILES): Add bsd-kvm.o.
+ (LOADLIBES): New variable.
+
2004-05-22 Mark Kettenis <kettenis@gnu.org>
* bsd-kvm.c, bsd-kvm.h: New files.
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index f10df4e44e9..d2ef0bb9f2c 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -2394,7 +2394,8 @@ sparc-linux-tdep.o: sparc-linux-tdep.c $(defs_h) $(floatformat_h) $(frame_h) \
sparc-nat.o: sparc-nat.c $(defs_h) $(inferior_h) $(regcache_h) $(target_h) \
$(gdb_assert_h) $(gdb_string_h) $(gdb_wait_h) $(sparc_tdep_h) \
$(sparc_nat_h)
-sparcnbsd-nat.o: sparcnbsd-nat.c $(defs_h) $(sparc_tdep_h) $(sparc_nat_h)
+sparcnbsd-nat.o: sparcnbsd-nat.c $(defs_h) $(gdbcore_h) $(regcache_h) \
+ $(sparc_tdep_h) $(sparc_nat_h) $(bsd_kvm_h)
sparcnbsd-tdep.o: sparcnbsd-tdep.c $(defs_h) $(floatformat_h) $(frame_h) \
$(frame_unwind_h) $(gdbcore_h) $(osabi_h) $(regcache_h) $(regset_h) \
$(solib_svr4_h) $(symtab_h) $(trad_frame_h) $(gdb_assert_h) \
diff --git a/gdb/config/sparc/nbsdelf.mh b/gdb/config/sparc/nbsdelf.mh
index 45309ecaec0..611a6a4d2ad 100644
--- a/gdb/config/sparc/nbsdelf.mh
+++ b/gdb/config/sparc/nbsdelf.mh
@@ -1,4 +1,6 @@
# Host: NetBSD/sparc ELF
-NATDEPFILES= sparc-nat.o sparcnbsd-nat.o \
+NATDEPFILES= sparc-nat.o sparcnbsd-nat.o bsd-kvm.o \
fork-child.o infptrace.o inftarg.o
NAT_FILE= nm-nbsd.h
+
+LOADLIBES= -lkvm
diff --git a/gdb/sparcnbsd-nat.c b/gdb/sparcnbsd-nat.c
index 9038ea334b6..01089eeef32 100644
--- a/gdb/sparcnbsd-nat.c
+++ b/gdb/sparcnbsd-nat.c
@@ -20,10 +20,44 @@
Boston, MA 02111-1307, USA. */
#include "defs.h"
+#include "gdbcore.h"
+#include "regcache.h"
#include "sparc-tdep.h"
#include "sparc-nat.h"
+/* Support for debugging kernel virtual memory images. */
+
+#include <sys/types.h>
+#include <machine/pcb.h>
+
+#include "bsd-kvm.h"
+
+static int
+sparc32nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
+{
+ /* The following is true for NetBSD 1.6.2:
+
+ The pcb contains %sp, %sp, %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, SPARC_O7_REGNUM, &pcb->pcb_pc);
+ regcache_raw_supply (regcache, SPARC32_PSR_REGNUM, &pcb->pcb_psr);
+ regcache_raw_supply (regcache, SPARC32_WIM_REGNUM, &pcb->pcb_wim);
+ regcache_raw_supply (regcache, SPARC32_PC_REGNUM, &pcb->pcb_pc);
+
+ sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
+
+ return 1;
+}
+
+
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_sparcnbsd_nat (void);
@@ -31,4 +65,7 @@ void
_initialize_sparcnbsd_nat (void)
{
sparc_gregset = &sparc32nbsd_gregset;
+
+ /* Support debugging kernel virtual memory images. */
+ bsd_kvm_add_target (sparc32nbsd_supply_pcb);
}