Initial version

.gitignore

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+build/

Dockerfile

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+FROM ubuntu:22.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+ARG GCC_VERSION=12
+
+#
+# Install utils
+#
+
+RUN apt-get update -qq && \
+    apt-get clean && \
+    apt-get -qq -y upgrade && \
+    apt-get -y install git \
+        gpg \
+        curl \
+        cmake \
+        make \
+        file \
+        zip \
+        unzip \
+        wget \
+        xxd \
+        xz-utils \
+        software-properties-common && \
+    rm -rf /var/lib/apt/lists/* && \
+    update-alternatives --install /usr/bin/python python /usr/bin/python3 2
+
+#
+# Install cross compilers
+#
+
+RUN apt-get update -qq && \
+    apt-get clean && \
+    apt-get -y install build-essential \
+        binutils \
+        binutils-i686-gnu \
+        binutils-i686-linux-gnu \
+        binutils-x86-64-linux-gnu \
+        binutils-aarch64-linux-gnu \
+        binutils-arm-linux-gnueabi \
+        binutils-arm-linux-gnueabihf \
+        cpp-${GCC_VERSION} \
+        cpp-${GCC_VERSION}-aarch64-linux-gnu \
+        cpp-${GCC_VERSION}-arm-linux-gnueabi \
+        cpp-${GCC_VERSION}-arm-linux-gnueabihf \
+        cpp-${GCC_VERSION}-i686-linux-gnu \
+        gcc-${GCC_VERSION} \
+        gcc-${GCC_VERSION}-aarch64-linux-gnu \
+        gcc-${GCC_VERSION}-arm-linux-gnueabi \
+        gcc-${GCC_VERSION}-arm-linux-gnueabihf \
+        gcc-${GCC_VERSION}-i686-linux-gnu \
+        gcc-${GCC_VERSION}-multilib \
+        gcc-${GCC_VERSION}-multilib-i686-linux-gnu \
+        g++-${GCC_VERSION} \
+        g++-${GCC_VERSION}-aarch64-linux-gnu \
+        g++-${GCC_VERSION}-arm-linux-gnueabi \
+        g++-${GCC_VERSION}-arm-linux-gnueabihf \
+        g++-${GCC_VERSION}-i686-linux-gnu \
+        g++-${GCC_VERSION}-multilib \
+        g++-${GCC_VERSION}-multilib-i686-linux-gnu && \
+    rm -rf /var/lib/apt/lists/*
+
+#
+# Install gdb dependencies
+#
+
+RUN apt-get update -qq && \
+    apt-get clean && \
+    apt-get -y install texinfo \
+        libncurses5-dev \
+        libmpfr-dev \
+        libgmp-dev \
+        libexpat1-dev \
+        libunwind-dev \
+        libpython3.10-dev \
+        python3.10-distutils && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN mkdir -p /gdb/
+
+ADD ./build.sh /gdb/build.sh
+
+#
+# Add docker user
+#
+
+RUN adduser --disabled-password --gecos "" gdb && \
+    adduser gdb sudo && \
+    echo "%sudo ALL=(ALL) NOPASSWD:ALL" >>/etc/sudoers
+
+USER gdb
+
+WORKDIR /gdb/
+
+ENTRYPOINT ["bash", "build.sh"]

build-docker.sh

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+#!/usr/bin/env bash
+
+set -e
+
+DOCKERFILE_PATH=$(realpath Dockerfile)
+DOCKER_IMAGE_NAME="gdb-compiler-image"
+DOCKER_CONTAINER_NAME="gdb-compiler-builder"
+
+echo "[+] Building docker image: ${DOCKER_IMAGE_NAME}"
+docker build --tag ${DOCKER_IMAGE_NAME} -f "${DOCKERFILE_PATH}" .
+
+echo
+echo "[+] Running gdb container: ${DOCKER_CONTAINER_NAME}"
+docker run -it --rm -v "$PWD:/gdb" --name ${DOCKER_CONTAINER_NAME} ${DOCKER_IMAGE_NAME}
+echo

build.sh

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+#!/usr/bin/env bash
+
+set -e
+
+PROJECT_DIR=$(dirname "$(realpath -s "$0")")
+
+GCC_VERSION=12
+GDB_VERSION=12.1
+PYTHON_VERSION=3.10
+GDB_ARCHS=("x86_64-linux-gnu")
+GDBSERVER_ARCHS=("i686-linux-gnu" "x86_64-linux-gnu" "arm-linux-gnueabi" "aarch64-linux-gnu")
+BUILD_PATH="${PROJECT_DIR}/build"
+SOURCE_DIR="${BUILD_PATH}/gdb-${GDB_VERSION}"
+
+function buildGDB() {
+    local isGDBServer="$1"
+    local eabi="$2"
+    local buildPath
+    local prefix
+
+    echo ""
+
+    if [ "${isGDBServer}" = true ]; then
+        echo "[+] Building GDB server for abi: ${eabi}"
+        prefix=gdbserver
+    else
+        echo "[+] Building GDB for abi: ${eabi}"
+        prefix=gdb
+    fi
+
+    local buildPath="${BUILD_PATH}/${prefix}/${eabi}"
+
+    if [[ ! -d "${buildPath}" ]]; then
+        mkdir -p "${buildPath}"
+        cd "${buildPath}" || exit
+
+        if [ "${isGDBServer}" = true ]; then
+            ${SOURCE_DIR}/configure \
+                --host="${eabi}" \
+                --disable-gdb \
+                --disable-docs \
+                --disable-binutils \
+                --disable-gas \
+                --disable-sim \
+                --disable-gprof \
+                --disable-inprocess-agent \
+                --enable-gdbserver \
+                --prefix="${buildPath}/binaries" \
+                CC="${eabi}-gcc-${GCC_VERSION}" \
+                CXX="${eabi}-g++-${GCC_VERSION}" \
+                LDFLAGS="-static -static-libstdc++"
+        else
+            ${SOURCE_DIR}/configure \
+                --host="${eabi}" \
+                --enable-targets=all \
+                --with-python=/usr/bin/python${PYTHON_VERSION} \
+                --disable-docs \
+                --disable-gdbserver \
+                --disable-binutils \
+                --disable-gas \
+                --disable-sim \
+                --disable-gprof \
+                --disable-inprocess-agent \
+                --prefix="${buildPath}/binaries" \
+                CC="${eabi}-gcc-${GCC_VERSION}" \
+                CXX="${eabi}-g++-${GCC_VERSION}"
+        fi
+    else
+        cd "${buildPath}" || exit
+    fi
+
+    echo -e "\t[*] Path: ${buildPath}"
+
+    make
+    make install
+
+    find ./* -maxdepth 0 -name "binaries" -prune -o -exec rm -rf {} \;
+    mv binaries/* .
+    rm -rf binaries
+
+    echo ""
+
+    cd "${PROJECT_DIR}" || exit
+}
+
+function downloadGDB() {
+    local url="https://ftp.gnu.org/gnu/gdb/gdb-${GDB_VERSION}.tar.gz"
+    local sourceDir="$1"
+
+    if [[ ! -d "${sourceDir}" ]]; then
+        mkdir -p "${sourceDir}"
+        echo "[+] Downloading: ${url} in ${sourceDir}"
+        wget -qO- "${url}" | tar -xz --strip-components=1 -C "${sourceDir}"
+    fi
+}
+
+mkdir -p "${BUILD_PATH}"
+
+downloadGDB "${SOURCE_DIR}"
+
+#
+# Build gdb and gdbserver
+#
+
+for ABI in "${GDB_ARCHS[@]}"; do
+    buildGDB false "${ABI}"
+done
+
+for ABI in "${GDBSERVER_ARCHS[@]}"; do
+    buildGDB true "${ABI}"
+done