Move implementations of uread() and uwrite() to the illumos compat layer.

MFC after:	1 week

6 files changed, 63 insertions, 53 deletions

diff --git a/sys/cddl/compat/opensolaris/kern/opensolaris_proc.c b/sys/cddl/compat/opensolaris/kern/opensolaris_proc.c
new file mode 100644
index 000000000000..652fa8928589
--- /dev/null
+++ b/sys/cddl/compat/opensolaris/kern/opensolaris_proc.c
@@ -0,0 +1,57 @@
+/*-
+ * Copyright 2016 Mark Johnston <markj@FreeBSD.org>
+ *
+ * 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 AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/proc.h>
+#include <sys/ptrace.h>
+
+int
+uread(proc_t *p, void *kaddr, size_t len, uintptr_t uaddr)
+{
+	ssize_t n;
+
+	PHOLD(p);
+	n = proc_readmem(curthread, p, uaddr, kaddr, len);
+	PRELE(p);
+	if (n != len)
+		return (ENOMEM);
+	return (0);
+}
+
+int
+uwrite(proc_t *p, void *kaddr, size_t len, uintptr_t uaddr)
+{
+	ssize_t n;
+
+	PHOLD(p);
+	n = proc_writemem(curthread, p, uaddr, kaddr, len);
+	PRELE(p);
+	if (n != len)
+		return (ENOMEM);
+	return (0);
+}
diff --git a/sys/cddl/compat/opensolaris/sys/proc.h b/sys/cddl/compat/opensolaris/sys/proc.h
index 5c9e8dec78c4..ce503cf724ac 100644
--- a/sys/cddl/compat/opensolaris/sys/proc.h
+++ b/sys/cddl/compat/opensolaris/sys/proc.h
@@ -92,6 +92,9 @@ do_thread_create(caddr_t stk, size_t stksize, void (*proc)(void *), void *arg,
 	do_thread_create(stk, stksize, proc, arg, len, pp, state, pri)
 #define	thread_exit()	kthread_exit()
 
+int	uread(proc_t *, void *, size_t, uintptr_t);
+int	uwrite(proc_t *, void *, size_t, uintptr_t);
+
 #endif	/* _KERNEL */
 
 #endif	/* _OPENSOLARIS_SYS_PROC_H_ */
diff --git a/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c b/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c
index 8555e2ff3335..e1f95de8a8d8 100644
--- a/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c
+++ b/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c
@@ -59,34 +59,8 @@
 #include <sys/archsystm.h>
 #else
 #include <sys/ptrace.h>
-
-static int
-uread(proc_t *p, void *kaddr, size_t len, uintptr_t uaddr)
-{
-	ssize_t n;
-
-	PHOLD(p);
-	n = proc_readmem(curthread, p, uaddr, kaddr, len);
-	PRELE(p);
-	if (n != len)
-		return (ENOMEM);
-	return (0);
-}
-
-static int
-uwrite(proc_t *p, void *kaddr, size_t len, uintptr_t uaddr)
-{
-	ssize_t n;
-
-	PHOLD(p);
-	n = proc_writemem(curthread, p, uaddr, kaddr, len);
-	PRELE(p);
-	if (n != len)
-		return (ENOMEM);
-	return (0);
-}
-
 #endif /* illumos */
+
 #ifdef __i386__
 #define	r_rax	r_eax
 #define	r_rbx	r_ebx
diff --git a/sys/cddl/contrib/opensolaris/uts/powerpc/dtrace/fasttrap_isa.c b/sys/cddl/contrib/opensolaris/uts/powerpc/dtrace/fasttrap_isa.c
index e8dd684a4530..b0fc5816c5e3 100644
--- a/sys/cddl/contrib/opensolaris/uts/powerpc/dtrace/fasttrap_isa.c
+++ b/sys/cddl/contrib/opensolaris/uts/powerpc/dtrace/fasttrap_isa.c
@@ -44,32 +44,6 @@
 #define OP_RA(x) (((x) & 0x001F0000) >> 16)
 #define OP_RB(x) (((x) & 0x0000F100) >> 11)
 
-static int
-uread(proc_t *p, void *kaddr, size_t len, uintptr_t uaddr)
-{
-	ssize_t n;
-
-	PHOLD(p);
-	n = proc_readmem(curthread, p, uaddr, kaddr, len);
-	PRELE(p);
-	if (n <= 0 || n < len)
-		return (ENOMEM);
-	return (0);
-}
-
-static int
-uwrite(proc_t *p, void *kaddr, size_t len, uintptr_t uaddr)
-{
-	ssize_t n;
-
-	PHOLD(p);
-	n = proc_writemem(curthread, p, uaddr, kaddr, len);
-	PRELE(p);
-	if (n <= 0 || n < len)
-		return (ENOMEM);
-	return (0);
-}
-
 int
 fasttrap_tracepoint_install(proc_t *p, fasttrap_tracepoint_t *tp)
 {
diff --git a/sys/conf/files b/sys/conf/files
index 37683bd47eed..296549639dfb 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -127,6 +127,7 @@ cddl/compat/opensolaris/kern/opensolaris.c		optional zfs | dtrace compile-with "
 cddl/compat/opensolaris/kern/opensolaris_cmn_err.c	optional zfs | dtrace compile-with "${CDDL_C}"
 cddl/compat/opensolaris/kern/opensolaris_kmem.c		optional zfs | dtrace compile-with "${CDDL_C}"
 cddl/compat/opensolaris/kern/opensolaris_misc.c		optional zfs | dtrace compile-with "${CDDL_C}"
+cddl/compat/opensolaris/kern/opensolaris_proc.c		optional zfs | dtrace compile-with "${CDDL_C}"
 cddl/compat/opensolaris/kern/opensolaris_sunddi.c	optional zfs | dtrace compile-with "${CDDL_C}"
 cddl/compat/opensolaris/kern/opensolaris_taskq.c	optional zfs | dtrace compile-with "${CDDL_C}"
 # zfs specific
diff --git a/sys/modules/opensolaris/Makefile b/sys/modules/opensolaris/Makefile
index 1620ab971989..c22c64c6367b 100644
--- a/sys/modules/opensolaris/Makefile
+++ b/sys/modules/opensolaris/Makefile
@@ -9,6 +9,7 @@ SRCS=		opensolaris.c		\
 		opensolaris_cmn_err.c	\
 		opensolaris_kmem.c	\
 		opensolaris_misc.c	\
+		opensolaris_proc.c	\
 		opensolaris_sunddi.c
 
 _A=${SYSDIR}/cddl/contrib/opensolaris/common/atomic