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[37.6.160.122]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a99102a4cdcsm86528366b.57.2024.10.03.06.29.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Oct 2024 06:29:31 -0700 (PDT) From: Manos Pitsidianakis To: qemu-devel@nongnu.org Cc: =?utf-8?q?Alex_Benn=C3=A9e?= , Gustavo Romero , Hanna Reitz , Junjie Mao , Junjie Mao , Kevin Wolf , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Markus Armbruster , Paolo Bonzini , Peter Maydell , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Pierrick Bouvier , Richard Henderson , Stefan Hajnoczi , Thomas Huth , Zhao Liu , berrange@redhat.com, hi@alyssa.is, Wainer dos Santos Moschetta Subject: [PATCH v11 8/9] rust: add utility procedural macro crate Date: Thu, 3 Oct 2024 16:28:50 +0300 Message-ID: X-Mailer: git-send-email 2.45.2 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::635; envelope-from=manos.pitsidianakis@linaro.org; helo=mail-ej1-x635.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This commit adds a helper crate library, qemu-api-macros for derive (and other procedural) macros to be used along qemu-api. It needs to be a separate library because in Rust, procedural macros, or macros that can generate arbitrary code, need to be special separate compilation units. Only one macro is introduced in this patch, #[derive(Object)]. It generates a constructor to register a QOM TypeInfo on init and it must be used on types that implement qemu_api::definitions::ObjectImpl trait. Reviewed-by: Junjie Mao Signed-off-by: Manos Pitsidianakis --- MAINTAINERS | 1 + rust/meson.build | 1 + rust/qemu-api-macros/Cargo.lock | 47 +++++++++++++++++++ rust/qemu-api-macros/Cargo.toml | 25 ++++++++++ rust/qemu-api-macros/README.md | 1 + rust/qemu-api-macros/meson.build | 25 ++++++++++ rust/qemu-api-macros/src/lib.rs | 43 +++++++++++++++++ rust/qemu-api/meson.build | 3 ++ scripts/archive-source.sh | 4 +- scripts/make-release | 3 +- subprojects/.gitignore | 4 ++ .../packagefiles/proc-macro2-1-rs/meson.build | 31 ++++++++++++ .../packagefiles/quote-1-rs/meson.build | 29 ++++++++++++ subprojects/packagefiles/syn-2-rs/meson.build | 40 ++++++++++++++++ subprojects/proc-macro2-1-rs.wrap | 7 +++ subprojects/quote-1-rs.wrap | 7 +++ subprojects/syn-2-rs.wrap | 7 +++ subprojects/unicode-ident-1-rs.wrap | 7 +++ subprojects/unicode-ident-1-rs/meson.build | 20 ++++++++ 19 files changed, 303 insertions(+), 2 deletions(-) create mode 100644 rust/qemu-api-macros/Cargo.lock create mode 100644 rust/qemu-api-macros/Cargo.toml create mode 100644 rust/qemu-api-macros/README.md create mode 100644 rust/qemu-api-macros/meson.build create mode 100644 rust/qemu-api-macros/src/lib.rs create mode 100644 subprojects/packagefiles/proc-macro2-1-rs/meson.build create mode 100644 subprojects/packagefiles/quote-1-rs/meson.build create mode 100644 subprojects/packagefiles/syn-2-rs/meson.build create mode 100644 subprojects/proc-macro2-1-rs.wrap create mode 100644 subprojects/quote-1-rs.wrap create mode 100644 subprojects/syn-2-rs.wrap create mode 100644 subprojects/unicode-ident-1-rs.wrap create mode 100644 subprojects/unicode-ident-1-rs/meson.build diff --git a/MAINTAINERS b/MAINTAINERS index bf235430dc..92bf3e3e8f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3301,6 +3301,7 @@ Rust M: Manos Pitsidianakis S: Maintained F: rust/qemu-api +F: rust/qemu-api-macros F: rust/rustfmt.toml SLIRP diff --git a/rust/meson.build b/rust/meson.build index 4a58d106b1..7a32b1b195 100644 --- a/rust/meson.build +++ b/rust/meson.build @@ -1 +1,2 @@ +subdir('qemu-api-macros') subdir('qemu-api') diff --git a/rust/qemu-api-macros/Cargo.lock b/rust/qemu-api-macros/Cargo.lock new file mode 100644 index 0000000000..fdc0fce116 --- /dev/null +++ b/rust/qemu-api-macros/Cargo.lock @@ -0,0 +1,47 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "proc-macro2" +version = "1.0.86" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77" +dependencies = [ + "unicode-ident", +] + +[[package]] +name = "qemu_api_macros" +version = "0.1.0" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "quote" +version = "1.0.36" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7" +dependencies = [ + "proc-macro2", +] + +[[package]] +name = "syn" +version = "2.0.72" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dc4b9b9bf2add8093d3f2c0204471e951b2285580335de42f9d2534f3ae7a8af" +dependencies = [ + "proc-macro2", + "quote", + "unicode-ident", +] + +[[package]] +name = "unicode-ident" +version = "1.0.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b" diff --git a/rust/qemu-api-macros/Cargo.toml b/rust/qemu-api-macros/Cargo.toml new file mode 100644 index 0000000000..144cc3650f --- /dev/null +++ b/rust/qemu-api-macros/Cargo.toml @@ -0,0 +1,25 @@ +[package] +name = "qemu_api_macros" +version = "0.1.0" +edition = "2021" +authors = ["Manos Pitsidianakis "] +license = "GPL-2.0-or-later" +readme = "README.md" +homepage = "https://www.qemu.org" +description = "Rust bindings for QEMU - Utility macros" +repository = "https://gitlab.com/qemu-project/qemu/" +resolver = "2" +publish = false +keywords = [] +categories = [] + +[lib] +proc-macro = true + +[dependencies] +proc-macro2 = "1" +quote = "1" +syn = "2" + +# Do not include in any global workspace +[workspace] diff --git a/rust/qemu-api-macros/README.md b/rust/qemu-api-macros/README.md new file mode 100644 index 0000000000..f60f54ac4b --- /dev/null +++ b/rust/qemu-api-macros/README.md @@ -0,0 +1 @@ +# `qemu-api-macros` - Utility macros for defining QEMU devices diff --git a/rust/qemu-api-macros/meson.build b/rust/qemu-api-macros/meson.build new file mode 100644 index 0000000000..48af91ed38 --- /dev/null +++ b/rust/qemu-api-macros/meson.build @@ -0,0 +1,25 @@ +add_languages('rust', required: true, native: true) + +quote_dep = dependency('quote-1-rs', native: true) +syn_dep = dependency('syn-2-rs', native: true) +proc_macro2_dep = dependency('proc-macro2-1-rs', native: true) + +_qemu_api_macros_rs = import('rust').proc_macro( + 'qemu_api_macros', + files('src/lib.rs'), + override_options: ['rust_std=2021', 'build.rust_std=2021'], + rust_args: [ + '--cfg', 'use_fallback', + '--cfg', 'feature="syn-error"', + '--cfg', 'feature="proc-macro"', + ], + dependencies: [ + proc_macro2_dep, + quote_dep, + syn_dep, + ], +) + +qemu_api_macros = declare_dependency( + link_with: _qemu_api_macros_rs, +) diff --git a/rust/qemu-api-macros/src/lib.rs b/rust/qemu-api-macros/src/lib.rs new file mode 100644 index 0000000000..59aba592d9 --- /dev/null +++ b/rust/qemu-api-macros/src/lib.rs @@ -0,0 +1,43 @@ +// Copyright 2024, Linaro Limited +// Author(s): Manos Pitsidianakis +// SPDX-License-Identifier: GPL-2.0-or-later + +use proc_macro::TokenStream; +use quote::{format_ident, quote}; +use syn::{parse_macro_input, DeriveInput}; + +#[proc_macro_derive(Object)] +pub fn derive_object(input: TokenStream) -> TokenStream { + let input = parse_macro_input!(input as DeriveInput); + + let name = input.ident; + let module_static = format_ident!("__{}_LOAD_MODULE", name); + + let expanded = quote! { + #[allow(non_upper_case_globals)] + #[used] + #[cfg_attr(target_os = "linux", link_section = ".ctors")] + #[cfg_attr(target_os = "macos", link_section = "__DATA,__mod_init_func")] + #[cfg_attr(target_os = "windows", link_section = ".CRT$XCU")] + pub static #module_static: extern "C" fn() = { + extern "C" fn __register() { + unsafe { + ::qemu_api::bindings::type_register_static(&<#name as ::qemu_api::definitions::ObjectImpl>::TYPE_INFO); + } + } + + extern "C" fn __load() { + unsafe { + ::qemu_api::bindings::register_module_init( + Some(__register), + ::qemu_api::bindings::module_init_type::MODULE_INIT_QOM + ); + } + } + + __load + }; + }; + + TokenStream::from(expanded) +} diff --git a/rust/qemu-api/meson.build b/rust/qemu-api/meson.build index 439ef73c29..c72d34b607 100644 --- a/rust/qemu-api/meson.build +++ b/rust/qemu-api/meson.build @@ -14,6 +14,9 @@ _qemu_api_rs = static_library( '--cfg', 'MESON', # '--cfg', 'feature="allocator"', ], + dependencies: [ + qemu_api_macros, + ], ) qemu_api = declare_dependency( diff --git a/scripts/archive-source.sh b/scripts/archive-source.sh index 65af8063e4..6239cf1815 100755 --- a/scripts/archive-source.sh +++ b/scripts/archive-source.sh @@ -26,7 +26,9 @@ sub_file="${sub_tdir}/submodule.tar" # independent of what the developer currently has initialized # in their checkout, because the build environment is completely # different to the host OS. -subprojects="keycodemapdb libvfio-user berkeley-softfloat-3 berkeley-testfloat-3" +subprojects="keycodemapdb libvfio-user berkeley-softfloat-3 + berkeley-testfloat-3 unicode-ident-1.0.12 proc-macro2-1.0.84 + quote-1.0.36 syn-2.0.66" sub_deinit="" function cleanup() { diff --git a/scripts/make-release b/scripts/make-release index 6e0433de24..076e588953 100755 --- a/scripts/make-release +++ b/scripts/make-release @@ -17,7 +17,8 @@ if [ $# -ne 2 ]; then fi # Only include wraps that are invoked with subproject() -SUBPROJECTS="libvfio-user keycodemapdb berkeley-softfloat-3 berkeley-testfloat-3" +SUBPROJECTS="libvfio-user keycodemapdb berkeley-softfloat-3 berkeley-testfloat-3 + proc-macro2-1.0.84 quote-1.0.36 syn-2.0.66 unicode-ident-1.0.12" src="$1" version="$2" diff --git a/subprojects/.gitignore b/subprojects/.gitignore index adca0266be..b6888182ca 100644 --- a/subprojects/.gitignore +++ b/subprojects/.gitignore @@ -6,3 +6,7 @@ /keycodemapdb /libvfio-user /slirp +/proc-macro2-1.0.84 +/quote-1.0.36 +/syn-2.0.66 +/unicode-ident-1.0.12 diff --git a/subprojects/packagefiles/proc-macro2-1-rs/meson.build b/subprojects/packagefiles/proc-macro2-1-rs/meson.build new file mode 100644 index 0000000000..818ec59336 --- /dev/null +++ b/subprojects/packagefiles/proc-macro2-1-rs/meson.build @@ -0,0 +1,31 @@ +project('proc-macro2-1-rs', 'rust', + version: '1.0.84', + license: 'MIT OR Apache-2.0', + default_options: []) + +subproject('unicode-ident-1-rs', required: true) + +unicode_ident_dep = dependency('unicode-ident-1-rs', native: true) + +_proc_macro2_rs = static_library( + 'proc_macro2', + files('src/lib.rs'), + gnu_symbol_visibility: 'hidden', + override_options: ['rust_std=2021', 'build.rust_std=2021'], + rust_abi: 'rust', + rust_args: [ + '--cfg', 'feature="proc-macro"', + '--cfg', 'span_locations', + '--cfg', 'wrap_proc_macro', + ], + dependencies: [ + unicode_ident_dep, + ], + native: true, +) + +proc_macro2_dep = declare_dependency( + link_with: _proc_macro2_rs, +) + +meson.override_dependency('proc-macro2-1-rs', proc_macro2_dep, native: true) diff --git a/subprojects/packagefiles/quote-1-rs/meson.build b/subprojects/packagefiles/quote-1-rs/meson.build new file mode 100644 index 0000000000..d36609bd3c --- /dev/null +++ b/subprojects/packagefiles/quote-1-rs/meson.build @@ -0,0 +1,29 @@ +project('quote-1-rs', 'rust', + version: '1.12.0', + license: 'MIT OR Apache-2.0', + default_options: []) + +subproject('proc-macro2-1-rs', required: true) + +proc_macro2_dep = dependency('proc-macro2-1-rs', native: true) + +_quote_rs = static_library( + 'quote', + files('src/lib.rs'), + gnu_symbol_visibility: 'hidden', + override_options: ['rust_std=2021', 'build.rust_std=2021'], + rust_abi: 'rust', + rust_args: [ + '--cfg', 'feature="proc-macro"', + ], + dependencies: [ + proc_macro2_dep, + ], + native: true, +) + +quote_dep = declare_dependency( + link_with: _quote_rs, +) + +meson.override_dependency('quote-1-rs', quote_dep, native: true) diff --git a/subprojects/packagefiles/syn-2-rs/meson.build b/subprojects/packagefiles/syn-2-rs/meson.build new file mode 100644 index 0000000000..a53335f309 --- /dev/null +++ b/subprojects/packagefiles/syn-2-rs/meson.build @@ -0,0 +1,40 @@ +project('syn-2-rs', 'rust', + version: '2.0.66', + license: 'MIT OR Apache-2.0', + default_options: []) + +subproject('proc-macro2-1-rs', required: true) +subproject('quote-1-rs', required: true) +subproject('unicode-ident-1-rs', required: true) + +proc_macro2_dep = dependency('proc-macro2-1-rs', native: true) +quote_dep = dependency('quote-1-rs', native: true) +unicode_ident_dep = dependency('unicode-ident-1-rs', native: true) + +_syn_rs = static_library( + 'syn', + files('src/lib.rs'), + gnu_symbol_visibility: 'hidden', + override_options: ['rust_std=2021', 'build.rust_std=2021'], + rust_abi: 'rust', + rust_args: [ + '--cfg', 'feature="full"', + '--cfg', 'feature="derive"', + '--cfg', 'feature="parsing"', + '--cfg', 'feature="printing"', + '--cfg', 'feature="clone-impls"', + '--cfg', 'feature="proc-macro"', + ], + dependencies: [ + quote_dep, + proc_macro2_dep, + unicode_ident_dep, + ], + native: true, +) + +syn_dep = declare_dependency( + link_with: _syn_rs, +) + +meson.override_dependency('syn-2-rs', syn_dep, native: true) diff --git a/subprojects/proc-macro2-1-rs.wrap b/subprojects/proc-macro2-1-rs.wrap new file mode 100644 index 0000000000..7053e2c013 --- /dev/null +++ b/subprojects/proc-macro2-1-rs.wrap @@ -0,0 +1,7 @@ +[wrap-file] +directory = proc-macro2-1.0.84 +source_url = https://crates.io/api/v1/crates/proc-macro2/1.0.84/download +source_filename = proc-macro2-1.0.84.0.tar.gz +source_hash = ec96c6a92621310b51366f1e28d05ef11489516e93be030060e5fc12024a49d6 +#method = cargo +patch_directory = proc-macro2-1-rs diff --git a/subprojects/quote-1-rs.wrap b/subprojects/quote-1-rs.wrap new file mode 100644 index 0000000000..6e7ea69049 --- /dev/null +++ b/subprojects/quote-1-rs.wrap @@ -0,0 +1,7 @@ +[wrap-file] +directory = quote-1.0.36 +source_url = https://crates.io/api/v1/crates/quote/1.0.36/download +source_filename = quote-1.0.36.0.tar.gz +source_hash = 0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7 +#method = cargo +patch_directory = quote-1-rs diff --git a/subprojects/syn-2-rs.wrap b/subprojects/syn-2-rs.wrap new file mode 100644 index 0000000000..13ffdac3c3 --- /dev/null +++ b/subprojects/syn-2-rs.wrap @@ -0,0 +1,7 @@ +[wrap-file] +directory = syn-2.0.66 +source_url = https://crates.io/api/v1/crates/syn/2.0.66/download +source_filename = syn-2.0.66.0.tar.gz +source_hash = c42f3f41a2de00b01c0aaad383c5a45241efc8b2d1eda5661812fda5f3cdcff5 +#method = cargo +patch_directory = syn-2-rs diff --git a/subprojects/unicode-ident-1-rs.wrap b/subprojects/unicode-ident-1-rs.wrap new file mode 100644 index 0000000000..4609f96ed9 --- /dev/null +++ b/subprojects/unicode-ident-1-rs.wrap @@ -0,0 +1,7 @@ +[wrap-file] +directory = unicode-ident-1.0.12 +source_url = https://crates.io/api/v1/crates/unicode-ident/1.0.12/download +source_filename = unicode-ident-1.0.12.tar.gz +source_hash = 3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b +#method = cargo +patch_directory = unicode-ident-1-rs diff --git a/subprojects/unicode-ident-1-rs/meson.build b/subprojects/unicode-ident-1-rs/meson.build new file mode 100644 index 0000000000..54f2376854 --- /dev/null +++ b/subprojects/unicode-ident-1-rs/meson.build @@ -0,0 +1,20 @@ +project('unicode-ident-1-rs', 'rust', + version: '1.0.12', + license: '(MIT OR Apache-2.0) AND Unicode-DFS-2016', + default_options: []) + +_unicode_ident_rs = static_library( + 'unicode_ident', + files('src/lib.rs'), + gnu_symbol_visibility: 'hidden', + override_options: ['rust_std=2021', 'build.rust_std=2021'], + rust_abi: 'rust', + dependencies: [], + native: true, +) + +unicode_ident_dep = declare_dependency( + link_with: _unicode_ident_rs, +) + +meson.override_dependency('unicode-ident-1-rs', unicode_ident_dep, native: true)