| #! /usr/bin/env bash |
| # Copyright 2023, The Android Open Source Project |
| # |
| # Licensed 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. |
| |
| set -e |
| |
| # Run this script to regenerate bootimg_priv.rs if |
| # include/bootimg/bootimg.h ever changes. |
| # The rust_bindgen rule is not cooperative, causing custom derive types |
| # to not percolate to the generated structures. |
| # It's just easier to do all the munging in a script. |
| |
| SCRATCH_DIR=$(mktemp -d) |
| |
| cleanup (){ |
| rm -rf ${SCRATCH_DIR} |
| } |
| |
| trap cleanup EXIT |
| pushd ~/aosp > /dev/null |
| |
| BOOTIMG_DIR=$(realpath system/tools/mkbootimg/) |
| # The stdint include generates a lot of unnecessary types that the |
| # generated rust bindings really don't need. |
| BLOCKED_TYPES_RE="__.+|.?int.+" |
| # The stdint include generates a lot of unnecessary constants that the |
| # generated rust bindings really don't need. |
| BLOCKED_ITEMS_RE="_.+|.?INT.+|PTR.+|ATOMIC.+|.+SOURCE|.+_H|SIG_.+|SIZE_.+|.?CHAR.+" |
| CUSTOM_STRUCT_RE="(vendor_)?(boot_img_hdr|ramdisk_table_entry)_v\d+" |
| CUSTOM_STRUCT_DERIVES="AsBytes,FromBytes,FromZeroes,PartialEq,Copy,Clone,Debug" |
| BINDGEN_FLAGS="--use-core --with-derive-default" |
| BOOTIMG_PRIV=${BOOTIMG_DIR}/rust/bootimg_priv.rs |
| |
| # We need C++ isms, and the only obvious way to convince bindgen |
| # that the source is C++ is with a C++ extension. |
| cp ${BOOTIMG_DIR}/include/bootimg/bootimg.h ${SCRATCH_DIR}/bootimg.hpp |
| |
| ./out/host/linux-x86/bin/bindgen \ |
| --blocklist-type="${BLOCKED_TYPES_RE}" \ |
| --blocklist-item="${BLOCKED_ITEMS_RE}" \ |
| --with-derive-custom-struct="${CUSTOM_STRUCT_RE}=${CUSTOM_STRUCT_DERIVES}" \ |
| ${BINDGEN_FLAGS} \ |
| ${SCRATCH_DIR}/bootimg.hpp \ |
| -o ${SCRATCH_DIR}/bootimg_gen.rs |
| |
| cat << EOF | cat - ${SCRATCH_DIR}/bootimg_gen.rs > ${BOOTIMG_PRIV} |
| // Copyright $(date +%Y), The Android Open Source Project |
| // |
| // Licensed 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. |
| |
| use zerocopy::{AsBytes, FromBytes, FromZeroes}; |
| |
| EOF |
| |
| rustfmt ${BOOTIMG_PRIV} --config-path system/tools/aidl/rustfmt.toml |