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rCore/modules/hello_rust/build.sh

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#!/bin/bash
if [[ "$1" == "x86_64" ]]; then
ARCH=x86_64
TEXT_TYPE=elf64-x86-64
BIN_ARCH=i386:x86-64
PREFIX=
elif [[ "$1" == "aarch64" ]]; then
ARCH=aarch64
TEXT_TYPE=elf64-littleaarch64
BIN_ARCH=aarch64
PREFIX=aarch64-elf-
else
echo "Not supported target"
exit 1
fi
echo "Step 1. Fetching dependencies according to cargo."
echo "// Dummy file" > src/lib.rs
echo '#![no_std]' >> src/lib.rs
echo "extern crate rcore;" >> src/lib.rs
cargo xbuild --target=../../kernel/targets/$ARCH.json -vv --release
echo "Step 2. Compile the library"
echo '#![no_std]' > src/lib.rs
echo '#![feature(alloc)]' >> src/lib.rs
echo "extern crate rcore;" >> src/lib.rs
echo "mod main;" >> src/lib.rs
rustc --edition=2018 --crate-name hello_rust src/lib.rs \
--color always --crate-type cdylib -C debuginfo=2 \
--out-dir ./target/$ARCH/release/objs \
--target ../../kernel/targets/$ARCH.json \
-L dependency=target/$ARCH/release/deps \
-L dependency=target/release/deps \
--emit=obj --sysroot target/sysroot \
-L all=../../kernel/target/$ARCH/release/deps \
-L all=../../kernel/target/release/deps
echo "Step 3. Packing the library into kernel module."
"$PREFIX"objcopy --input binary --output $TEXT_TYPE \
--binary-architecture $BIN_ARCH\
--rename-section .data=.rcore-lkm,CONTENTS,READONLY\
lkm_info.txt target/$ARCH/release/objs/lkm_info.o
"$PREFIX"strip target/$ARCH/release/objs/lkm_info.o
"$PREFIX"gcc -shared -o target/$ARCH/release/hello_rust.ko -nostdlib target/$ARCH/release/objs/*.o
#cargo xbuild --target=../../kernel/targets/x86_64.json -vv