44 lines
1.4 KiB
Bash
Executable File
44 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0-only
|
|
# Copyright © 2019 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
# Use pfunct to produce compilable output from a object, then do a codiff -s
|
|
# To see if the type information generated from source code generated
|
|
# from type information in a file compiled from the original source code matches.
|
|
|
|
if [ $# -eq 0 ] ; then
|
|
echo "Usage: fullcircle <filename_with_type_info>"
|
|
exit 1
|
|
fi
|
|
|
|
file=$1
|
|
|
|
nr_cus=$(readelf -wi ${file} | grep DW_TAG_compile_unit | wc -l)
|
|
if [ $nr_cus -gt 1 ]; then
|
|
exit 0
|
|
fi
|
|
|
|
c_output=$(mktemp /tmp/fullcircle.XXXXXX.c)
|
|
o_output=$(mktemp /tmp/fullcircle.XXXXXX.o)
|
|
pfunct_bin=${PFUNCT-"pfunct"}
|
|
codiff_bin=${CODIFF-"codiff"}
|
|
|
|
# See how your DW_AT_producer looks like and find the
|
|
# right regexp to get after the GCC version string, this one
|
|
# seems good enough for Red Hat/Fedora/CentOS that look like:
|
|
#
|
|
# DW_AT_producer : (indirect string, offset: 0x3583): GNU C89 8.2.1 20181215 (Red Hat 8.2.1-6) -mno-sse -mno-mmx
|
|
#
|
|
# So we need from -mno-sse onwards
|
|
|
|
CFLAGS=$(readelf -wi $file | grep -w DW_AT_producer | sed -r 's/.*\)( -[[:alnum:]]+.*)+/\1/g')
|
|
|
|
# Check if we managed to do the sed or if this is something like GNU AS
|
|
[ "${CFLAGS/DW_AT_producer/}" != "${CFLAGS}" ] && exit
|
|
|
|
${pfunct_bin} --compile $file > $c_output
|
|
gcc $CFLAGS -c -g $c_output -o $o_output
|
|
${codiff_bin} -q -s $file $o_output
|
|
|
|
rm -f $c_output $o_output
|
|
exit 0
|