Import pmdb 4.1.

(see http://www.blahonga.org/~art/openbsd/pmdb.html for more info).

The development repository now moves here out from my local repository.

3 files changed, 126 insertions, 0 deletions

diff --git a/usr.bin/pmdb/arch/sparc64/Makefile.inc b/usr.bin/pmdb/arch/sparc64/Makefile.inc
new file mode 100644
index 00000000000..3257538c715
--- /dev/null
+++ b/usr.bin/pmdb/arch/sparc64/Makefile.inc
@@ -0,0 +1 @@
+SRCS+=sparc64.c
diff --git a/usr.bin/pmdb/arch/sparc64/pmdb_machdep.h b/usr.bin/pmdb/arch/sparc64/pmdb_machdep.h
new file mode 100644
index 00000000000..d47a3b78c47
--- /dev/null
+++ b/usr.bin/pmdb/arch/sparc64/pmdb_machdep.h
@@ -0,0 +1,3 @@
+#define BREAKPOINT		{ 0x91, 0xd0, 0x20, 0x01 }
+#define BREAKPOINT_LEN		4
+#define BREAKPOINT_DECR_PC	0
diff --git a/usr.bin/pmdb/arch/sparc64/sparc64.c b/usr.bin/pmdb/arch/sparc64/sparc64.c
new file mode 100644
index 00000000000..d4f44a56402
--- /dev/null
+++ b/usr.bin/pmdb/arch/sparc64/sparc64.c
@@ -0,0 +1,122 @@
+/*	$PMDB: sparc64.c,v 1.6 2002/03/07 01:10:52 art Exp $	*/
+/*
+ * Copyright (c) 2002 Artur Grabowski <art@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 <sys/param.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+#include <machine/frame.h>
+#include "pmdb.h"
+
+static const char *md_reg_names[] = {
+	"%pc", "%npc", /* %y */
+	"%o0", "%o1", "%o2", "%o3", "%o4", "%o5", "%o6", "%o7",
+	"%g0", "%g1", "%g2", "%g3", "%g4", "%g5", "%g6", "%g7",
+};
+
+struct md_def md_def = { md_reg_names, 18, 0 };
+
+void
+md_def_init(void)
+{
+	/* no need to do anything */
+}
+
+int
+md_getframe(struct pstate *ps, int frame, struct md_frame *fram)
+{
+	struct frame64 fr;
+	struct reg r;
+	reg fp, pc;
+	reg *outs;
+	int i;
+
+	if (ptrace(PT_GETREGS, ps->ps_pid, (caddr_t)&r, 0) != 0)
+		return (-1);
+
+	if (frame == 0) {
+		pc = r.r_pc;
+		fp = r.r_out[6] + BIAS;
+		/*
+		 * XXX - we need some kind of heuristics here to decide
+		 * if the function has done a save or not and then pick
+		 * the in registers. the problem is just that there are
+		 * no in registers in PT_GETREGS.
+		 */
+		outs = (reg *)&r.r_out;
+		goto out;
+	}
+
+	fp = r.r_out[6] + BIAS;
+	pc = r.r_out[7];
+
+	for (i = 1; i < frame; i++) {
+		/* Too low or unaligned frame pointer? */
+		if (fp < 8192 || (fp & 7) != 0)
+			return (-1);
+
+		if (read_from_pid(ps->ps_pid, fp, &fr, sizeof(fr)) < 0)
+			return -1;
+		fp = (unsigned long)v9next_frame((&fr));
+		pc = fr.fr_pc;
+
+		/* Too low or unaligned pc ? */
+		if ((pc < 8192) || (pc & 3) != 0)
+			return (-1);
+
+		outs = (reg *)&fr.fr_arg;
+	}
+
+out:
+	fram->pc = pc;
+	fram->fp = fp;
+
+	fram->nargs = 6;	/* XXX - don't know the real number */
+	for (i = 0; i < 6; i++) {
+		fram->args[i] = fr.fr_arg[i];
+	}
+
+	return 0;
+}
+
+int
+md_getregs(struct pstate *ps, reg *regs)
+{
+	struct reg r;
+	int i;
+
+	if (ptrace(PT_GETREGS, ps->ps_pid, (caddr_t)&r, 0) != 0)
+		return -1;
+	regs[0] = r.r_pc;
+	regs[1] = r.r_npc;
+	for (i = 0; i < 8; i++) {
+		regs[2 + i] = r.r_out[i];
+	}
+	for (i = 0; i < 8; i++) {
+		regs[10 + i] = r.r_global[i];
+	}
+
+	return 0;
+}
\ No newline at end of file