[DTrace-devel] [PATCH] test: Add test for option "strip"

[Kris Van Hees]

On Thu, Mar 09, 2023 at 05:09:18PM -0500, eugene.loh--- via DTrace-devel wrote:
> From: Eugene Loh <eugene.loh at oracle.com>
> 
> Signed-off-by: Eugene Loh <eugene.loh at oracle.com>

Reviewed-by: Kris Van Hees <kris.van.hees at oracle.com>

> ---
>  test/unittest/options/tst.strip.sh | 89 ++++++++++++++++++++++++++++++
>  1 file changed, 89 insertions(+)
>  create mode 100755 test/unittest/options/tst.strip.sh
> 
> diff --git a/test/unittest/options/tst.strip.sh b/test/unittest/options/tst.strip.sh
> new file mode 100755
> index 00000000..2378b1a8
> --- /dev/null
> +++ b/test/unittest/options/tst.strip.sh
> @@ -0,0 +1,89 @@
> +#!/bin/bash
> +#
> +# Oracle Linux DTrace.
> +# Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
> +# Licensed under the Universal Permissive License v 1.0 as shown at
> +# http://oss.oracle.com/licenses/upl.
> +#
> +
> +dtrace=$1
> +CC=/usr/bin/gcc
> +CFLAGS=
> +
> +DIRNAME="$tmpdir/strip.$$.$RANDOM"
> +mkdir -p $DIRNAME
> +cd $DIRNAME
> +
> +# set up the prov.d file and compile
> +
> +cat > prov.d <<EOF
> +provider test_prov {
> +	probe go();
> +};
> +EOF
> +
> +$dtrace -h -s prov.d
> +if [ $? -ne 0 ]; then
> +	echo "failed to generate header file" >& 2
> +	exit 1
> +fi
> +
> +# set up the test.c file and compile
> +
> +cat > test.c <<EOF
> +#include <sys/types.h>
> +#include "prov.h"
> +int main(int argc, char **argv)
> +{
> +	TEST_PROV_GO();
> +	return 0;
> +}
> +EOF
> +
> +${CC} ${CFLAGS} -c test.c
> +if [ $? -ne 0 ]; then
> +	echo "failed to compile test.c" >& 2
> +	exit 1
> +fi
> +
> +# link with and without -xstrip, dumping the DOF section
> +
> +objdump="objdump --full-contents --section=.SUNW_dof prov.o"
> +
> +$dtrace -G -xstrip -s prov.d test.o
> +if [ $? -ne 0 ]; then
> +	echo "failed to create DOF (stripped)" >& 2
> +	exit 1
> +fi
> +$objdump >& out.stripped.txt
> +
> +$dtrace -G -s prov.d test.o
> +if [ $? -ne 0 ]; then
> +	echo "failed to create DOF" >& 2
> +	exit 1
> +fi
> +$objdump >& out.default.txt
> +
> +# Check results.  One can imagine a more stringent check -- like
> +# seeing if the string "Oracle D 2.0" appears in the default case
> +# but not in the stripped case -- but here we settle for the stripped
> +# case simply being smaller than the default case.
> +
> +nbytes_stripped=`wc -c out.stripped.txt | awk '{print $1}'`
> +nbytes_default=`wc -c out.default.txt | awk '{print $1}'`
> +
> +echo "number of bytes:"
> +echo "    stripped: $nbytes_stripped"
> +echo "    default: $nbytes_default"
> +
> +if [ $nbytes_stripped -eq 0 -o $nbytes_default -eq 0 ]; then
> +	echo ERROR: a number of bytes is zero
> +	exit 1
> +fi
> +if [ $nbytes_stripped -ge $nbytes_default ]; then
> +	echo ERROR: stripped is greater or equal to default
> +	exit 1
> +fi
> +
> +echo success: stripped is smaller than default
> +exit 0
> -- 
> 2.18.4
> 
> 
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