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06d32e1147
Use bindgen to create a rust library that calls into libflashrom using FFI. BUG=b:230545739 BRANCH=None TEST=cargo test Change-Id: I36ba70de2bca8f83d2fdd6fd4c9b7c28a11624ee Signed-off-by: Evan Benn <evanbenn@chromium.org> Reviewed-on: https://review.coreboot.org/c/flashrom/+/65280 Reviewed-by: Edward O'Callaghan <quasisec@chromium.org> Reviewed-by: Peter Marheine <pmarheine@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
33 lines
1.5 KiB
Rust
33 lines
1.5 KiB
Rust
fn main() {
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pkg_config::probe_library("flashrom").unwrap();
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let bindings = bindgen::Builder::default()
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.header("../../../include/libflashrom.h")
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// Tell cargo to invalidate the built crate whenever any of the
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// included header files changed.
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.parse_callbacks(Box::new(bindgen::CargoCallbacks))
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// only generate the flashrom functions and used types.
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.allowlist_function("flashrom_.*")
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// newtype enums provide type checking without the UB potential of rust enums.
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.default_enum_style(bindgen::EnumVariation::NewType { is_bitfield: false })
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// We use constified enum for flashrom_log_level to allow '<' comparison.
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.constified_enum("flashrom_log_level")
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.prepend_enum_name(false)
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.derive_copy(false)
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.must_use_type("flashrom_wp_result")
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// Avoid some va_list related functionality that is not easy to use in rust.
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.blocklist_function("flashrom_set_log_callback")
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.blocklist_type("flashrom_log_callback")
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.blocklist_type("va_list")
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.blocklist_type("__builtin_va_list")
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.blocklist_type("__va_list_tag")
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.size_t_is_usize(true)
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.generate()
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.expect("Unable to generate bindings");
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// Write the bindings to the $OUT_DIR/bindings.rs file.
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let out_path = std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap());
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bindings
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.write_to_file(out_path.join("bindings.rs"))
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.expect("Couldn't write bindings!");
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}
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