xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/pid/tst.provregex4.ksh (revision a386cc11a86ecb60f5a48078d22c1500e2ad003e)

#!/bin/ksh -p
#
# 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 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#
# This test verifies that USDT probes will be picked up after a dlopen(3C)
# when a regex in the provider name matches both USDT probes and pid probes
# (e.g., p*d$target matches both pid$target and pyramid$target.)
#

if [ $# != 1 ]; then
	echo expected one argument: '<'dtrace-path'>'
	exit 2
fi

dtrace=$1
DIR=${TMPDIR:-/tmp}/dtest.$$

mkdir $DIR
cd $DIR

cat > Makefile <<EOF
all: main altlib.so

main: main.o provmain.o
	gcc -m32 -o main main.o provmain.o

main.o: main.c prov.h
	gcc -m32 -c main.c

prov.h: prov.d
	$dtrace -h -s prov.d

provmain.o: prov.d main.o
	$dtrace -G -32 -o provmain.o -s prov.d main.o

altlib.so: altlib.o provalt.o
	gcc -m32 -shared -o altlib.so altlib.o provalt.o -lc

altlib.o: altlib.c prov.h
	gcc -m32 -c altlib.c

provalt.o: prov.d altlib.o
	$dtrace -G -32 -o provalt.o -s prov.d altlib.o
EOF

cat > prov.d <<EOF
provider pyramid {
	probe entry();
};
EOF

cat > altlib.c <<EOF
#include <sys/sdt.h>
#include "prov.h"

void
go(void)
{
	PYRAMID_ENTRY();
}
EOF

cat > main.c <<EOF
#include <dlfcn.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/sdt.h>
#include "prov.h"

void
go(void)
{
	PYRAMID_ENTRY();
}

int
main(int argc, char **argv)
{
	void *alt;
	void *alt_go;

	go();

	if ((alt = dlopen("./altlib.so", RTLD_LAZY | RTLD_LOCAL)) 
	    == NULL) {
		printf("dlopen of altlib.so failed: %s\n", dlerror());
		return (1);
	}

	if ((alt_go = dlsym(alt, "go")) == NULL) {
		printf("failed to lookup 'go' in altlib.so\n");
		return (1);
	}

	((void (*)(void))alt_go)();

	return (0);
}
EOF

make > /dev/null
if [ $? -ne 0 ]; then
	print -u2 "failed to build"
	exit 1
fi

cat > main.d <<'EOF'
p*d$target::go:entry
{
	@foo[probemod, probefunc, probename] = count();
}

END
{
	printa("%s:%s:%s %@u\n",@foo);
}
EOF

script() {
	$dtrace -q -s ./main.d -c ./main
}

script
status=$?

cd /tmp
/usr/bin/rm -rf $DIR

exit $status