build-corev-binutils-gdb.sh

#!/bin/bash

# Build script for the CORE-V Binutils and GDB.

# Copyright (C) 2020 Embecosm Limited
# Contributor Jessica Mills  <jessica_mills@embecosm.com>

# This file is part of the Embecosm GNU toolchain build system for RISC-V.

# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3 of the License, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.

# You should have received a copy of the GNU General Public License along
# with this program.  If not, see <http://www.gnu.org/licenses/>.

export ROOT_PREFIX=$(cd ../ && pwd)

export BINUTILS_GDB_FOLDER=corev-binutils-gdb
export BINUTILS_GDB_PREFIX=${ROOT_PREFIX}/${BINUTILS_PREFIX}

export BUILD_BINUTILS_FOLDER=build-${BINUTILS_GDB_FOLDER}
export BUILD_BINUTILS_PREFIX=${ROOT_PREFIX}/${BUILD_BINUTILS_FOLDER}

export INSTALL_FOLDER=toolchain-install
export INSTALL_PREFIX=${ROOT_PREFIX}/${INSTALL_FOLDER}
mkdir -p ${INSTALL_PREFIX}

PARALLEL_JOBS=$(nproc)
DEFAULTARCH=rv32i
DEFAULTABI=ilp32

if [[ $* == *--debug* ]]; then
    export BUILD_BINGDB_PREFIX=${ROOT_PREFIX}/${BUILD_BINUTILS_FOLDER}-DEBUG
else
    export BUILD_BINGDB_PREFIX=${ROOT_PREFIX}/${BUILD_BINUTILS_FOLDER}
fi

installs=(
        "riscv32-corev-elf-addr2line"
        "riscv32-corev-elf-nm"
        "riscv32-corev-elf-ar"
        "riscv32-corev-elf-objcopy"
        "riscv32-corev-elf-objdump"
        "riscv32-corev-elf-ranlib"
        "riscv32-corev-elf-c++filt"
        "riscv32-corev-elf-readelf"
        "riscv32-corev-elf-run"
        "riscv32-corev-elf-elfedit"
        "riscv32-corev-elf-gdb"
        "riscv32-corev-elf-size"
        "riscv32-corev-elf-gprof"
        "riscv32-corev-elf-strings"
        "riscv32-corev-elf-ld"
        "riscv32-corev-elf-strip"
        "riscv32-corev-elf-ld.bfd"
        "riscv32-corev-elf-as"
        "riscv32-corev-elf-gcc-ar"
        "riscv32-corev-elf-gcc-nm"
        "riscv32-corev-elf-gcc-ranlib"
        "riscv32-corev-elf-gcov"
        "riscv32-corev-elf-gcov-dump"
        "riscv32-corev-elf-cpp"
        "riscv32-corev-elf-gcov-tool"
        "riscv32-corev-elf-gcc"
        "riscv32-corev-elf-gcc-7.1.1"
        "riscv32-corev-elf-c++"
        "riscv32-corev-elf-g++"

)

if [[ $* == *--help* || $* == *-h* ]]; then
  echo "Usage: build-corev-binutils-gdb.sh [--clean] [--debug] [--help | -h]"
        echo " Builds and installs the COREV binutils and GDB"
        echo " Build directory is the peer directory 'build', install directory is the peer directory 'install'"
        echo " Generates installation summary - this is the only action if no options are specified"
        echo "The options are:"
        echo " --clean             Remove build directory"
        echo " --debug             Include debugging CFLAGS"
        echo " --help | -h         Print this help message and exit"
  exit 0
fi


if [[ $* == *--clean* ]]; then
    if [[ -d ${BUILD_BINGDB_PREFIX} ]]; then
        echo Cleaning... ${BUILD_BINGDB_PREFIX}
        rm -rf ${BUILD_BINGDB_PREFIX}
    fi
fi

# Binutils-gdb
mkdir -p ${BUILD_BINGDB_PREFIX}
cd ${BUILD_BINGDB_PREFIX}
../${BINUTILS_GDB_FOLDER}/configure        \
    --target=riscv32-corev-elf    \
    --prefix=${INSTALL_PREFIX}       \
    --disable-werror

#CFLAGS as option for debugging 
if [[ $* == *--debug* ]]; then
    if ! make CFLAGS="-O0 -ggdb3" -j${PARALLEL_JOBS}; then
        echo "The build has failed during binutils-gdb!" >/dev/stderr
        exit 1
    fi
    if ! make CFLAGS="-O0 -ggdb3" install; then
        echo "The build has failed during binutils-gdb!" >/dev/stderr
        exit 1
    fi
else
    if ! make -j${PARALLEL_JOBS}; then
        echo "The build has failed during binutils-gdb!" >/dev/stderr
        exit 1
    fi
    if ! make install; then
        echo "The build has failed during binutils-gdb!" >/dev/stderr
        exit 1
    fi
fi

echo ===== Install summary =====
echo ${INSTALL_PREFIX}/bin/
for install in "${installs[@]}"
do
        [ -f ${INSTALL_PREFIX}/bin/${install} ] && echo "${install} ... exists." || echo "${install} ... does not exist."
done