Vendor import of the src/sys OpenSolaris bits for DTrace.

1 files changed, 96 insertions, 0 deletions

diff --git a/sys/cddl/contrib/opensolaris/uts/common/ctf/ctf_subr.c b/sys/cddl/contrib/opensolaris/uts/common/ctf/ctf_subr.c
new file mode 100644
index 0000000..cd0a828
--- /dev/null
+++ b/sys/cddl/contrib/opensolaris/uts/common/ctf/ctf_subr.c
@@ -0,0 +1,96 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <ctf_impl.h>
+#include <sys/kobj.h>
+#include <sys/kobj_impl.h>
+
+/*
+ * This module is used both during the normal operation of the kernel (i.e.
+ * after kmem has been initialized) and during boot (before unix`_start has
+ * been called).  kobj_alloc is able to tell the difference between the two
+ * cases, and as such must be used instead of kmem_alloc.
+ */
+
+void *
+ctf_data_alloc(size_t size)
+{
+	void *buf = kobj_alloc(size, KM_NOWAIT|KM_SCRATCH);
+
+	if (buf == NULL)
+		return (MAP_FAILED);
+
+	return (buf);
+}
+
+void
+ctf_data_free(void *buf, size_t size)
+{
+	kobj_free(buf, size);
+}
+
+/*ARGSUSED*/
+void
+ctf_data_protect(void *buf, size_t size)
+{
+	/* we don't support this operation in the kernel */
+}
+
+void *
+ctf_alloc(size_t size)
+{
+	return (kobj_alloc(size, KM_NOWAIT|KM_TMP));
+}
+
+/*ARGSUSED*/
+void
+ctf_free(void *buf, size_t size)
+{
+	kobj_free(buf, size);
+}
+
+/*ARGSUSED*/
+const char *
+ctf_strerror(int err)
+{
+	return (NULL); /* we don't support this operation in the kernel */
+}
+
+/*PRINTFLIKE1*/
+void
+ctf_dprintf(const char *format, ...)
+{
+	if (_libctf_debug) {
+		va_list alist;
+
+		va_start(alist, format);
+		(void) printf("ctf DEBUG: ");
+		(void) vprintf(format, alist);
+		va_end(alist);
+	}
+}