partially working...

3 files changed, 123 insertions, 0 deletions

diff --git a/usr.bin/pmdb/arch/arm/Makefile.inc b/usr.bin/pmdb/arch/arm/Makefile.inc
new file mode 100644
index 00000000000..176665cf595
--- /dev/null
+++ b/usr.bin/pmdb/arch/arm/Makefile.inc
@@ -0,0 +1 @@
+SRCS+=arm.c
diff --git a/usr.bin/pmdb/arch/arm/arm.c b/usr.bin/pmdb/arch/arm/arm.c
new file mode 100644
index 00000000000..bc0965bb294
--- /dev/null
+++ b/usr.bin/pmdb/arch/arm/arm.c
@@ -0,0 +1,92 @@
+/*      $OpenBSD: arm.c,v 1.1 2004/02/02 19:42:26 drahn Exp $       */
+/*
+ * Copyright (c) 2002 Dale Rahn <drahn@openbsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+
+#include <stddef.h>
+#include <sys/param.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+#include <machine/frame.h>
+#include <string.h>
+#include "pmdb.h"
+
+static const char *md_reg_names[] = {
+	"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+	"r8", "r9", "r10","r11","r12","sp", "lr", "pc", "cpsr"
+};
+
+struct md_def md_def = { md_reg_names, 16, 16};
+
+void
+md_def_init(void)
+{
+	/* no need to do anything */
+}
+
+int
+md_getframe(struct pstate *ps, int frame, struct md_frame *fram)
+{
+	struct reg r;
+	reg fp, pc;
+	int i;
+
+	if (process_getregs(ps, &r))
+		return (-1);
+	fp = r.r_sp;
+	if (frame == 0) {
+		pc = r.r_pc;
+		goto out;
+	}
+	pc = r.r_lr;
+	for (i = 1; i < frame; i++) {
+		if (fp != (fp & ~7)) { /* should be 0xf */
+			return -1;
+		}
+		if (process_read(ps, fp, &fp, sizeof(fp)) < 0)
+			return -1;
+		if (process_read(ps, fp+4, &pc, sizeof(pc)) < 0)
+			return -1;
+		if (fp == 0) {
+			return -1;
+		}
+	}
+out:
+	fram->pc = pc;
+	fram->fp = fp;
+	fram->nargs = 0;
+	return 0;
+}
+
+int
+md_getregs(struct pstate *ps, reg *regs)
+{
+	struct reg md_reg;
+	if (process_getregs(ps, &md_reg))
+		return -1;
+	memcpy(regs, &md_reg, 32 * sizeof(long));
+	memcpy(&regs[32], &md_reg.r_pc, 7 * sizeof(long));
+	return 0;
+}
diff --git a/usr.bin/pmdb/arch/arm/pmdb_machdep.h b/usr.bin/pmdb/arch/arm/pmdb_machdep.h
new file mode 100644
index 00000000000..021fe0e7b6f
--- /dev/null
+++ b/usr.bin/pmdb/arch/arm/pmdb_machdep.h
@@ -0,0 +1,30 @@
+/*	$OpenBSD: pmdb_machdep.h,v 1.1 2004/02/02 19:42:26 drahn Exp $	*/
+/*
+ * Copyright (c) 2002 Dale Rahn <drahn@openbsd.org>
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+/* SWI */
+#define BREAKPOINT              { 0xef, 0xaf, 0xff, 0xff }
+#define BREAKPOINT_LEN          4
+#define BREAKPOINT_DECR_PC      4