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authorMichael Shalayeff <mickey@cvs.openbsd.org>2002-03-15 19:48:20 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>2002-03-15 19:48:20 +0000
commitcef76388f7c88f6cb3803a99fbbb8f0e8a352279 (patch)
treead2d4963ec0966f438df7d97950d5e7b9734a247 /usr.bin/pmdb/arch/hppa
parent3ef6e94aed798c336d9db3cabe5ef5aba6c1f0dc (diff)
dunno, smth like this
Diffstat (limited to 'usr.bin/pmdb/arch/hppa')
-rw-r--r--usr.bin/pmdb/arch/hppa/hppa.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/usr.bin/pmdb/arch/hppa/hppa.c b/usr.bin/pmdb/arch/hppa/hppa.c
new file mode 100644
index 00000000000..877ef61f134
--- /dev/null
+++ b/usr.bin/pmdb/arch/hppa/hppa.c
@@ -0,0 +1,106 @@
+/* $OpenBSD: hppa.c,v 1.1 2002/03/15 19:48:19 mickey Exp $ */
+
+/*
+ * Copyright (c) 2002 Michael Shalayeff
+ * 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. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 OR HIS RELATIVES 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 MIND, 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 "pmdb.h"
+
+static const char *md_reg_names[] = {
+ "%sar", "%r1", "%rp", "%r3", "%r4", "%r5", "%r6", "%r7",
+ "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15",
+ "%r16", "%r17", "%r18", "%r19", "%r20", "%r21", "%r22", "%r23",
+ "%r24", "%r25", "%r26", "%r27", "%r28", "%r29", "%r30", "%r31",
+ "%pc", "%npc"
+};
+
+struct md_def md_def = { md_reg_names, 34, 0 };
+
+void
+md_def_init(void)
+{
+ /* no need to do anything */
+}
+
+int
+md_getframe(struct pstate *ps, int frame, struct md_frame *fram)
+{
+ reg fr[16];
+ struct reg r;
+ reg fp, pc, rp;
+ int i;
+
+ if (ptrace(PT_GETREGS, ps->ps_pid, (caddr_t)&r, 0) != 0)
+ return -1;
+
+ if (frame == 0) {
+ fram->pc = r.r_pc;
+ fram->fp = r.r_reg[3];
+ return 0;
+ }
+
+ rp = r.r_reg[2];
+ fp = r.r_reg[3];
+ pc = r.r_pc;
+
+ for (i = 1; i < frame; i++) {
+
+ if (read_from_pid(ps->ps_pid, fp-60, &fr, sizeof(fr)) < 0)
+ return -1;
+ pc = rp;
+ fp = fr[15];
+ rp = fr[10];
+ }
+ fram->pc = pc;
+ fram->fp = fp;
+
+ fram->nargs = 4; /* XXX real number is in the symtab */
+ fram->args[0] = fr.r_arg0;
+ fram->args[1] = fr.r_arg1;
+ fram->args[2] = fr.r_arg2;
+ fram->args[3] = fr.r_arg3;
+
+ 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 < 32; i++)
+ regs[2 + i] = r.r_out[i];
+
+ return 0;
+}