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|
#!/bin/bash
#
# Oracle Linux DTrace.
# Copyright (c) 2025, 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.
#
# Confirm preprocessor pre-definitions.
dtrace=$1
DIRNAME=$tmpdir/predefined.$$.$RANDOM
mkdir -p $DIRNAME
cd $DIRNAME
# Arg 1 is macro that we check is defined.
function check_defined() {
# Add to script: #ifdef is okay, else is ERROR.
echo '#ifdef' $1 >> D.d
echo 'printf("'$1' okay\n");' >> D.d
echo '#else' >> D.d
echo 'printf("ERROR! missing '$1'\n");' >> D.d
echo '#endif' >> D.d
# Add to check file: expect "okay" message.
echo $1 okay >> chk.txt
}
# Arg 1 is macro whose value we check to be arg 2.
function check_value() {
# Add to script: print value.
echo 'printf("'$1'=%x\n", '$1');' >> D.d
# Add to check file: expected value.
echo $1=$2 >> chk.txt
}
# Arg 1 is macro that we check is not defined.
function check_undef() {
# Add to script: #ifdef is ERROR, else is okay.
echo '#ifdef' $1 >> D.d
echo 'printf("ERROR! found '$1'\n");' >> D.d
echo '#else' >> D.d
echo 'printf("missing '$1' is okay\n");' >> D.d
echo '#endif' >> D.d
# Add to check file: expect "okay" message.
echo missing $1 is okay >> chk.txt
}
# Construct version string (major, minor, micro).
read MM mmm uuu <<< `$dtrace -vV | awk '/^This is DTrace / { gsub("\\\.", " "); print $(NF-2), $(NF-1), $NF }'`
vers=`printf "%x" $(($MM << 24 | $mmm << 12 | $uuu))`
# Start setting up the D script.
echo 'BEGIN {' > D.d
# Check for the preprocessor definitions of COMMANDLINE-OPTIONS.
check_defined __linux
check_defined __unix
check_defined __SVR4
if [ `uname -m` == x86_64 ]; then
check_defined __amd64
else
check_undef __amd64
fi
check_defined __`uname -s`
check_value __SUNW_D 1
check_value __SUNW_D_VERSION $vers
# Confirm other preprocessor definitions.
check_defined __SUNW_D_64
# Confirm that __GNUC__ is not present.
check_undef __GNUC__
# Finish setting up the D script.
echo 'exit(0); }' >> D.d
echo >> chk.txt
# Run the D script.
$dtrace $dt_flags -qCs D.d -o out.txt
if [ $? -ne 0 ]; then
echo ERROR: DTrace failed
echo "==== D.d"
cat D.d
echo "==== out.txt"
cat out.txt
exit 1
fi
# Check.
if ! diff -q chk.txt out.txt; then
echo ERROR output disagrees
echo === expect ===
cat chk.txt
echo === actual ===
cat out.txt
echo === diff ===
diff chk.txt out.txt
exit 1
fi
# Indicate success.
echo success
exit 0
|
