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https://chromium.googlesource.com/crosvm/crosvm
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58 lines
1.5 KiB
Bash
58 lines
1.5 KiB
Bash
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#!/usr/bin/env bash
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# Copyright 2022 The ChromiumOS Authors
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Run this script to re-generate the seccomp/*/constants.json files for
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# each architecture.
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set -ex
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cd "$(dirname "${BASH_SOURCE[0]}")/.."
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MINIJAIL_DIR=$(realpath "third_party/minijail")
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SECCOMP_DIR=$(realpath seccomp)
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export SRC="$MINIJAIL_DIR"
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# Create temporary directory for build artifacts and make sure it's cleaned up.
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TMP_DIR="$(mktemp -d)"
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cleanup() {
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rm -rf "$TMP_DIR"
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}
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trap cleanup EXIT
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# Create bindings for each platform
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for arch in "x86_64" "arm" "aarch64"; do
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BUILD_DIR="$TMP_DIR/$arch"
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mkdir -p "$BUILD_DIR"
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cd "$BUILD_DIR"
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# Pick the right cross-compiler
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if [ "$arch" = "x86_64" ]; then
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export CC="gcc"
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TARGET="x86_64-unknown-linux-gnu"
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elif [ "$arch" = "arm" ]; then
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export CC="arm-linux-gnueabihf-gcc"
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TARGET="armv7-unknown-linux-gnueabihf"
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elif [ "$arch" = "aarch64" ]; then
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export CC="aarch64-linux-gnu-gcc"
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TARGET="aarch64-unknown-linux-gnu"
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fi
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"$MINIJAIL_DIR/gen_constants.sh" "libconstants.gen.c"
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"$MINIJAIL_DIR/gen_syscalls.sh" "libsyscalls.gen.c"
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clang \
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-target "$TARGET" \
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-S \
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-emit-llvm \
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-I "$MINIJAIL_DIR" \
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"libconstants.gen.c" \
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"libsyscalls.gen.c"
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"$MINIJAIL_DIR/tools/generate_constants_json.py" \
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--output "$SECCOMP_DIR/$arch/constants.json" \
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"libconstants.gen.ll" \
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"libsyscalls.gen.ll"
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done
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