Minimal sh bits for pmdb.

3 files changed, 123 insertions, 0 deletions

diff --git a/usr.bin/pmdb/arch/sh/Makefile.inc b/usr.bin/pmdb/arch/sh/Makefile.inc
new file mode 100644
index 00000000000..1e428eecd52
--- /dev/null
+++ b/usr.bin/pmdb/arch/sh/Makefile.inc
@@ -0,0 +1,3 @@
+#	$OpenBSD: Makefile.inc,v 1.1 2007/03/03 14:20:12 miod Exp $
+
+SRCS+=	sh.c
diff --git a/usr.bin/pmdb/arch/sh/pmdb_machdep.h b/usr.bin/pmdb/arch/sh/pmdb_machdep.h
new file mode 100644
index 00000000000..f229b2c5908
--- /dev/null
+++ b/usr.bin/pmdb/arch/sh/pmdb_machdep.h
@@ -0,0 +1,22 @@
+/*	$OpenBSD: pmdb_machdep.h,v 1.1 2007/03/03 14:20:12 miod Exp $	*/
+
+/*
+ * Copyright (c) 2007 Miodrag Vallat.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice, this permission notice, and the disclaimer below
+ * appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define	BREAKPOINT		{ 0xc3, 0xc3 }
+#define	BREAKPOINT_LEN		2
+#define	BREAKPOINT_DECR_PC	BREAKPOINT_LEN
diff --git a/usr.bin/pmdb/arch/sh/sh.c b/usr.bin/pmdb/arch/sh/sh.c
new file mode 100644
index 00000000000..8573aec5b23
--- /dev/null
+++ b/usr.bin/pmdb/arch/sh/sh.c
@@ -0,0 +1,98 @@
+/*	$OpenBSD: sh.c,v 1.1 2007/03/03 14:20:12 miod Exp $	*/
+
+/*
+ * Copyright (c) 2007 Miodrag Vallat.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice, this permission notice, and the disclaimer below
+ * appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <string.h>
+
+#include <sys/param.h>
+#include <sys/ptrace.h>
+
+#include <machine/reg.h>
+
+#include "pmdb.h"
+
+static const char *md_reg_names[] = {
+	/* integer registers */
+	"pc",	"sr",	"pr",	"mach",	"macl",
+	"r15",	"r14",	"r13",	"r12",	"r11",	"r10",	"r9",	"r8",
+	"r7",	"r6",	"r5",	"r4",	"r3",	"r2",	"r1",	"r0",
+#ifdef notyet
+	/* floating point registers */
+	"fr0",	"fr1",	"fr2",	"fr3",	"fr4",	"fr5",	"fr6",	"fr7",
+	"fr8",	"fr9",	"fr10",	"fr11",	"fr12",	"fr13",	"fr14",	"fr15",
+	"xf0",	"xf1",	"xf2",	"xf3",	"xf4",	"xf5",	"xf6",	"xf7",
+	"xf8",	"xf9",	"xf10",	"xf11",	"xf12",	"xf13",	"xf14",	"xf15",
+	"fpul",	"fpscr"
+#endif
+};
+
+struct md_def md_def = { md_reg_names, 21 /* + 34 */, 0 };
+
+void
+md_def_init()
+{
+}
+
+int
+md_getframe(struct pstate *ps, int frame, struct md_frame *f)
+{
+	struct reg regs;
+
+	if (process_getregs(ps, &regs) != 0)
+		return (-1);
+
+	f->pc = regs.r_spc;
+	f->fp = regs.r_r14;	/* frame */
+	if (frame == 0) {
+		f->nargs = 0;
+	} else {
+		f->nargs = 0;	/* XXX for now */
+	}
+
+	return (0);
+}
+
+int
+md_getregs(struct pstate *ps, reg *r)
+{
+	struct reg regs;
+#ifdef notyet
+	struct fpreg fpregs;
+	int rc;
+#endif
+
+	if (process_getregs(ps, &regs) != 0)
+		return (-1);
+
+	bcopy(&regs, r, sizeof(regs));
+
+#ifdef notyet
+	switch (rc = process_getfpregs(ps, &fpregs)) {
+	case 0:
+		bcopy(&fpregs, r + sizeof(regs) / sizeof(reg), sizeof(fpregs));
+		break;
+	case EINVAL:
+		bzero(r + sizeof(regs) / sizeof(reg), sizeof(fpregs));
+		break;
+	default:
+		return (-1);
+	}
+#endif
+
+	return (0);
+}