Dtrace: improve handling of library paths.

Merge changes from illumos

906 dtrace depends_on pragma should search all library paths, not just the
current one

949 dtrace should only include the first instance of a library found on
its library path

Illumos Revisions:	13353:936a1e45726c
			13354:2b2c36a81512

Reference:
https://www.illumos.org/issues/906
https://www.illumos.org/issues/949

Tested by:	Fabian Keil
Obtained from:	Illumos
MFC after:	3 weeks

2 files changed, 152 insertions, 0 deletions

diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/include/tst.includefirst.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/include/tst.includefirst.ksh
new file mode 100644
index 0000000..b8240d6
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/include/tst.includefirst.ksh
@@ -0,0 +1,76 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (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 (c) 2011, Joyent Inc. All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# This test verifies that we only use the first entry of a file with a given
+# name in the library path
+#
+
+if [ $# != 1 ]; then
+	echo expected one argument: '<'dtrace-path'>'
+	exit 2
+fi
+
+firstinc=${TMPDIR:-/tmp}/firstinc.$$
+secondinc=${TMPDIR:-/tmp}/secondinc.$$
+expexit=23
+
+setup_include()
+{
+	mkdir $firstinc
+	mkdir $secondinc
+	cat > $firstinc/lib.d <<EOF
+inline int foobar = $expexit;
+#pragma D binding "1.0" foobar
+EOF
+	cat > $secondinc/lib.d <<EOF
+inline int foobar = 42;
+#pragma D binding "1.0" foobar
+EOF
+}
+
+clean()
+{
+	rm -rf $firstinc
+	rm -rf $secondinc
+}
+
+fail()
+{
+	echo "$@"
+	clean
+	exit 1
+}
+
+setup_include
+
+dtrace -L$firstinc -L$secondinc -e -n 'BEGIN{ exit(foobar) }'
+[[ $? != 0 ]] && fail "Failed to compile with same file in include path twice"
+dtrace -L$firstinc -L$secondinc -n 'BEGIN{ exit(foobar) }'
+status=$?
+[[ $status != $expexit ]] && fail "Exited with unexpected status code: $status"
+clean
+exit 0
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/pragma/tst.libdepsepdir.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/pragma/tst.libdepsepdir.ksh
new file mode 100644
index 0000000..ced6584
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/pragma/tst.libdepsepdir.ksh
@@ -0,0 +1,76 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (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 (c) 2011, Joyent Inc. All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# Test to catch that we properly look for libraries dependencies in
+# our full library parth
+#
+
+if [ $# != 1 ]; then
+	echo expected one argument: '<'dtrace-path'>'
+	exit 2
+fi
+
+libdira=${TMPDIR:-/tmp}/libdepa.$$
+libdirb=${TMPDIR:-/tmp}/libdepb.$$
+libdirc=${TMPDIR:-/tmp}/libdepc.$$
+dtrace=$1
+
+setup_libs()
+{
+        mkdir $libdira
+        mkdir $libdirb
+        mkdir $libdirc
+        cat > $libdira/liba.$$.d <<EOF
+#pragma D depends_on library libb.$$.d
+#pragma D depends_on library libc.$$.d
+#pragma D depends_on library libd.$$.d
+EOF
+        cat > $libdirb/libb.$$.d <<EOF
+#pragma D depends_on library libc.$$.d
+EOF
+        cat > $libdirb/libc.$$.d <<EOF
+EOF
+        cat > $libdirb/libd.$$.d <<EOF
+EOF
+        cat > $libdirc/libe.$$.d <<EOF
+#pragma D depends_on library liba.$$.d
+EOF
+        cat > $libdirc/libf.$$.d <<EOF
+EOF
+}
+
+
+setup_libs
+
+$dtrace -L$libdira -L$libdirb -L$libdirc -e
+
+status=$?
+rm -rf $libdira
+rm -rf $libdirb
+rm -rf $libdirc
+return $status
+