[src/trunk]: src/sys/arch/sparc64/sparc64 fix 'show registers' mis-aligned ac...

[petrov <petrov%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6082668dcc6c
branches:  trunk
changeset: 507478:6082668dcc6c
user:      petrov <petrov%NetBSD.org@localhost>
date:      Thu Mar 22 22:20:28 2001 +0000

description:
fix 'show registers' mis-aligned access, PR11580

diffstat:

 sys/arch/sparc64/sparc64/db_interface.c |  71 +++++++++++++++++++++++++++++++-
 1 files changed, 68 insertions(+), 3 deletions(-)

diffs (89 lines):

diff -r ceadb8f7fe72 -r 6082668dcc6c sys/arch/sparc64/sparc64/db_interface.c
--- a/sys/arch/sparc64/sparc64/db_interface.c   Thu Mar 22 22:10:04 2001 +0000
+++ b/sys/arch/sparc64/sparc64/db_interface.c   Thu Mar 22 22:20:28 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db_interface.c,v 1.55 2001/01/22 13:57:00 jdolecek Exp $ */
+/*     $NetBSD: db_interface.c,v 1.56 2001/03/22 22:20:28 petrov Exp $ */
 
 /*
  * Mach Operating System
@@ -76,12 +76,77 @@
 
 static int nil;
 
+static int
+db__char_value(const struct db_variable *var, db_expr_t *expr, int mode)
+{
+
+       switch (mode) {
+       case DB_VAR_SET:
+               *var->valuep = *(char *)expr;
+               break;
+       case DB_VAR_GET:
+               *expr = *(char *)var->valuep;
+               break;
+#ifdef DIAGNOSTIC
+       default:
+               printf("db__char_value: mode %d\n", mode);
+               break;
+#endif
+       }
+
+       return 0;
+}
+
+#ifdef notdef_yet
+static int
+db__short_value(const struct db_variable *var, db_expr_t *expr, int mode)
+{
+
+       switch (mode) {
+       case DB_VAR_SET:
+               *var->valuep = *(short *)expr;
+               break;
+       case DB_VAR_GET:
+               *expr = *(short *)var->valuep;
+               break;
+#ifdef DIAGNOSTIC
+       default:
+               printf("db__short_value: mode %d\n", mode);
+               break;
+#endif
+       }
+
+       return 0;
+}
+#endif
+
+static int
+db__int_value(const struct db_variable *var, db_expr_t *expr, int mode)
+{
+
+       switch (mode) {
+       case DB_VAR_SET:
+               *var->valuep = *(int *)expr;
+               break;
+       case DB_VAR_GET:
+               *expr = *(int *)var->valuep;
+               break;
+#ifdef DIAGNOSTIC
+       default:
+               printf("db__int_value: mode %d\n", mode);
+               break;
+#endif
+       }
+
+       return 0;
+}
+
 const struct db_variable db_regs[] = {
        { "tstate", (long *)&DDB_TF->tf_tstate, FCN_NULL, },
        { "pc", (long *)&DDB_TF->tf_pc, FCN_NULL, },
        { "npc", (long *)&DDB_TF->tf_npc, FCN_NULL, },
-       { "ipl", (long *)&DDB_TF->tf_oldpil, FCN_NULL, },
-       { "y", (long *)&DDB_TF->tf_y, FCN_NULL, },
+       { "ipl", (long *)&DDB_TF->tf_oldpil, db__char_value, },
+       { "y", (long *)&DDB_TF->tf_y, db__int_value, },
        { "g0", (long *)&nil, FCN_NULL, },
        { "g1", (long *)&DDB_TF->tf_global[1], FCN_NULL, },
        { "g2", (long *)&DDB_TF->tf_global[2], FCN_NULL, },