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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-rust@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: QEMU Rust-related patches and discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-rust-bounces+qemu-rust=archiver.kernel.org@nongnu.org Sender: qemu-rust-bounces+qemu-rust=archiver.kernel.org@nongnu.org On 9/24/25 14:04, marcandre.lureau@redhat.com wrote: > From: Marc-André Lureau > > Implement a bash version of rust-bindgen rust_to_clang_target() to > convert from rust target to clang target. > > Signed-off-by: Marc-André Lureau Reviewed-by: Paolo Bonzini > --- > configure | 7 ++++ > scripts/rust-to-clang-target-test.sh | 43 +++++++++++++++++++ > scripts/rust-to-clang-target.sh | 62 ++++++++++++++++++++++++++++ > 3 files changed, 112 insertions(+) > create mode 100755 scripts/rust-to-clang-target-test.sh > create mode 100644 scripts/rust-to-clang-target.sh > > diff --git a/configure b/configure > index 66613f3f4c..bf964947b8 100755 > --- a/configure > +++ b/configure > @@ -1878,6 +1878,13 @@ if test "$skip_meson" = no; then > eval "c=\$devices_${a}" > echo "${a}-softmmu = '$c'" >> $cross > done > + if test "$rust" != disabled; then > + if test "$cross_compile" = "yes"; then > + . "$source_path/scripts/rust-to-clang-target.sh" > + clang_target=$(rust_to_clang_target "$rust_target_triple") > + echo "bindgen_clang_arguments = [$(meson_quote --target="$clang_target")]" >> $cross > + fi > + fi > > echo "[built-in options]" >> $cross > echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross > diff --git a/scripts/rust-to-clang-target-test.sh b/scripts/rust-to-clang-target-test.sh > new file mode 100755 > index 0000000000..ff6f8fcdc5 > --- /dev/null > +++ b/scripts/rust-to-clang-target-test.sh > @@ -0,0 +1,43 @@ > +#!/usr/bin/env sh > +# > +# Copyright (C) 2025 Red Hat, Inc. > +# > +# Based on rust_to_clang_target() tests from rust-bindgen. > +# > +# SPDX-License-Identifier: GPL-2.0-or-later > + > +scripts_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd) > +. "$scripts_dir/rust-to-clang-target.sh" > + > +test_case() { > + input="$1" > + expected="$2" > + result=$(rust_to_clang_target "$input") > + > + if [ "$result" = "$expected" ]; then > + echo " OK: '$input' -> '$result'" > + else > + echo " FAILED: '$input'" > + echo " Expected: '$expected'" > + echo " Got: '$result'" > + exit 1 > + fi > +} > + > +echo "Running tests..." > + > +test_case "aarch64-apple-ios" "arm64-apple-ios" > +test_case "riscv64gc-unknown-linux-gnu" "riscv64-unknown-linux-gnu" > +test_case "riscv64imac-unknown-none-elf" "riscv64-unknown-none-elf" > +test_case "riscv32imc-unknown-none-elf" "riscv32-unknown-none-elf" > +test_case "riscv32imac-unknown-none-elf" "riscv32-unknown-none-elf" > +test_case "riscv32imafc-unknown-none-elf" "riscv32-unknown-none-elf" > +test_case "riscv32i-unknown-none-elf" "riscv32-unknown-none-elf" > +test_case "riscv32imc-esp-espidf" "riscv32-esp-elf" > +test_case "xtensa-esp32-espidf" "xtensa-esp32-elf" > +test_case "aarch64-apple-ios-sim" "arm64-apple-ios-simulator" > +test_case "aarch64-apple-tvos-sim" "arm64-apple-tvos-simulator" > +test_case "aarch64-apple-watchos-sim" "arm64-apple-watchos-simulator" > + > +echo "" > +echo "All tests passed!" > diff --git a/scripts/rust-to-clang-target.sh b/scripts/rust-to-clang-target.sh > new file mode 100644 > index 0000000000..5451807888 > --- /dev/null > +++ b/scripts/rust-to-clang-target.sh > @@ -0,0 +1,62 @@ > +#!/usr/bin/env sh > +# > +# Copyright (C) 2025 Red Hat, Inc. > +# > +# Based on rust_to_clang_target() from rust-bindgen. > +# > +# SPDX-License-Identifier: GPL-2.0-or-later > + > +rust_to_clang_target() { > + rust_target="$1" > + > + # Split the string by hyphens > + triple_parts="" > + old_IFS="$IFS" > + IFS='-' > + for part in $rust_target; do > + triple_parts="$triple_parts $part" > + done > + IFS="$old_IFS" > + set -- $triple_parts > + > + # RISC-V > + case "$1" in > + riscv32*) > + set -- "riscv32" "${2}" "${3}" "${4}" > + ;; > + riscv64*) > + set -- "riscv64" "${2}" "${3}" "${4}" > + ;; > + esac > + > + # Apple > + if [ "$2" = "apple" ]; then > + if [ "$1" = "aarch64" ]; then > + set -- "arm64" "${2}" "${3}" "${4}" > + fi > + if [ "$4" = "sim" ]; then > + set -- "${1}" "${2}" "${3}" "simulator" > + fi > + fi > + > + # ESP-IDF > + if [ "$3" = "espidf" ]; then > + set -- "${1}" "${2}" "elf" "${4}" > + fi > + > + # Reassemble the string > + new_triple="" > + first=1 > + for part in "$@"; do > + if [ -n "$part" ]; then > + if [ "$first" -eq 1 ]; then > + new_triple="$part" > + first=0 > + else > + new_triple="$new_triple-$part" > + fi > + fi > + done > + > + echo "$new_triple" > +}