casaroli commented on code in PR #19940: URL: https://github.com/apache/nuttx/pull/19940#discussion_r3882619751
########## tools/fdpic/build-binutils.sh: ########## @@ -0,0 +1,84 @@ +#!/bin/bash +############################################################################ +# tools/fdpic/build-binutils.sh +# +# SPDX-License-Identifier: Apache-2.0 +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you 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. +# +############################################################################ + +# Build arm-uclinuxfdpiceabi binutils -- the only part of the module +# toolchain that has to be built from source. +# +# The compiling is done by the stock Arm bare-metal toolchain, which emits +# correct FDPIC objects for both C and C++. What it cannot do is *link* +# them: arm-none-eabi-ld is configured with the `armelf` emulation alone, so +# it produces an object marked "UNIX - System V" that the loader refuses. +# The FDPIC linker carries armelf_linux_fdpiceabi, and that is the whole of +# the gap. +# +# So this builds binutils and nothing else: about a minute, roughly 23 MB. +# An FDPIC GCC is not needed for any of this. +# +# Usage: build-binutils.sh <workdir> [install-prefix] +# +# Then add <install-prefix>/bin to PATH. + +set -e + +WORK="${1:?usage: build-binutils.sh <workdir> [prefix]}" +PREFIX="${2:-$WORK/toolchain}" +TARGET=arm-uclinuxfdpiceabi +BINUTILS=binutils-2.43 +J="$(getconf _NPROCESSORS_ONLN 2>/dev/null || echo 4)" + +mkdir -p "$WORK/src" "$WORK/build" + +cd "$WORK/src" +[ -d "$BINUTILS" ] || { + curl -fL -O "https://ftp.gnu.org/gnu/binutils/$BINUTILS.tar.xz"; + tar xf "$BINUTILS.tar.xz" +} + +rm -rf "$WORK/build/binutils" +mkdir -p "$WORK/build/binutils" +cd "$WORK/build/binutils" + +# --with-system-zlib because the bundled copy does not compile against the +# macOS SDK headers. Harmless elsewhere. + +"$WORK/src/$BINUTILS/configure" \ Review Comment: Noted. Docs will come on 10/10 ########## tools/fdpic/fdpic-embed.py: ########## @@ -0,0 +1,115 @@ +#!/usr/bin/env python3 +############################################################################ +# tools/fdpic/fdpic-embed Review Comment: It is done. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
