#!/bin/bash
# IBM_PROLOG_BEGIN_TAG
# This is an automatically generated prolog.
#
# $Source: src/tools/utils/sbe-size/compare-section-breakdown $
#
# OpenPOWER sbe Project
#
# Contributors Listed Below - COPYRIGHT 2018
# [+] International Business Machines Corp.
#
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
#
# IBM_PROLOG_END_TAG

if [ -z "$1" ]; then
    echo "Will compare section/symbol sizes between a *.o or *.map file"
    echo "and its counterpart in the ref/ subdirectory."
    echo "Usage: $0 current_file"
    exit 1
fi

MYDIR=$(dirname $0)
CROSS_COMPILER_PATH=${CROSS_COMPILER_PATH:-/afs/awd/projects/cte/tools/ppetools/prod}
OBJDUMP=$CROSS_COMPILER_PATH/powerpc-eabi/bin/objdump
DIFF=${DIFF:-tkdiff}
TMPFILEa=$(mktemp)
TMPFILEb=$(mktemp)

cleanup() {
    rm -f $TMPFILEa $TMPFILEb
}
trap cleanup EXIT

if [[ $1 == *.map ]]; then
    perl -pe 's/0x[0-9a-f]{16}/0xHIDDENHIDDENHIDD/' ref/$1 > $TMPFILEa
    perl -pe 's/0x[0-9a-f]{16}/0xHIDDENHIDDENHIDD/' $1 > $TMPFILEb
elif [[ $1 == *.o ]]; then
    python3 $MYDIR/section-breakdown.py ref/$1 | c++filt | sort -k2 > $TMPFILEa
    python3 $MYDIR/section-breakdown.py $1 | c++filt | sort -k2 > $TMPFILEb
elif [[ $1 == *.su ]]; then
    cat ref/$1 > $TMPFILEa
    cat $1 > $TMPFILEb
elif [[ $1 == *.dis ]]; then
    $OBJDUMP -dr ref/${1%.dis}.o | perl -pe 's/^\s*[0-9a-fA-F]+:/xxxx:/' > $TMPFILEa
    $OBJDUMP -dr ${1%.dis}.o | perl -pe 's/^\s*[0-9a-fA-F]+:/xxxx:/' > $TMPFILEb
elif [[ $1 == *.diss ]]; then
    $OBJDUMP -Sr ref/${1%.diss}.o > $TMPFILEa
    $OBJDUMP -Sr ${1%.diss}.o > $TMPFILEb
else
    echo "This script can only compare *.map, *.o or *.su files so far."
    exit 1
fi

$DIFF $TMPFILEa $TMPFILEb