flesh out, who cares about single-step anyway

1 files changed, 48 insertions, 6 deletions

diff --git a/sys/arch/hppa/hppa/process_machdep.c b/sys/arch/hppa/hppa/process_machdep.c
index b03cb93c0e3..03bdab8dd82 100644
--- a/sys/arch/hppa/hppa/process_machdep.c
+++ b/sys/arch/hppa/hppa/process_machdep.c
@@ -1,6 +1,38 @@
-/*	$OpenBSD: process_machdep.c,v 1.1 1998/12/29 18:06:48 mickey Exp $	*/
+/*	$OpenBSD: process_machdep.c,v 1.2 1999/04/20 20:46:11 mickey Exp $	*/
+
+/*
+ * Copyright (c) 1999 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Michael Shalayeff.
+ * 4. 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 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 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/systm.h>
 #include <sys/proc.h>
 #include <sys/ptrace.h>
 
@@ -9,7 +41,9 @@ process_read_regs(p, regs)
 	struct proc *p;
 	struct reg *regs;
 {
-	return EINVAL;
+	bcopy (p->p_md.md_regs, regs, sizeof(*regs));
+	regs->r_regs[0] = 0;
+	return 0;
 }
 
 int
@@ -17,7 +51,8 @@ process_write_regs(p, regs)
 	struct proc *p;
 	struct reg *regs;
 {
-	return EINVAL;
+	bcopy (&regs[1], &p->p_md.md_regs->tf_r1, sizeof(*regs) - sizeof(*regs));
+	return 0;
 }
 
 int
@@ -25,7 +60,8 @@ process_read_fpregs(p, fpregs)
 	struct proc *p;
 	struct fpreg *fpregs;
 {
-	return EINVAL;
+	bcopy (p->p_md.md_regs->tf_fpregs, fpregs, sizeof(*fpregs));
+	return 0;
 }
 
 int
@@ -33,7 +69,8 @@ process_write_fpregs(p, fpregs)
 	struct proc *p;
 	struct fpreg *fpregs;
 {
-	return EINVAL;
+	bcopy (fpregs, p->p_md.md_regs->tf_fpregs, sizeof(*fpregs));
+	return 0;
 }
 
 int
@@ -41,6 +78,7 @@ process_sstep(p, sstep)
 	struct proc *p;
 	int sstep;
 {
+	/* TODO */
 	return EINVAL;
 }
 
@@ -49,5 +87,9 @@ process_set_pc(p, addr)
 	struct proc *p;
 	caddr_t addr;
 {
-	return EINVAL;
+	if (!USERMODE(addr))	/* XXX */
+		return EINVAL;
+	p->p_md.md_regs->tf_iioq_head = (register_t)addr;
+	return 0;
 }
+