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2024-11-05rust: do not use --no-size_t-is-usizePaolo Bonzini1-3/+3
This is not necessary and makes it harder to write code that is portable between 32- and 64-bit systems: it adds extra casts even though size_of, align_of or offset_of already return the right type. Reviewed-by: Junjie Mao <junjie.mao@hotmail.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-11-05meson: pass rustc_args when building all cratesPaolo Bonzini2-5/+7
rustc_args is needed to smooth the difference in warnings between the various versions of rustc. Always include those arguments. Reviewed-by: Junjie Mao <junjie.mao@hotmail.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-11rust: add utility procedural macro crateManos Pitsidianakis1-0/+3
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 <junjie.mao@hotmail.com> Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Link: https://lore.kernel.org/r/dd645642406a6dc2060c6f3f17db2bc77ed67b59.1727961605.git.manos.pitsidianakis@linaro.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-11rust: add crate to expose bindings and interfacesManos Pitsidianakis10-0/+527
Add rust/qemu-api, which exposes rust-bindgen generated FFI bindings and provides some declaration macros for symbols visible to the rest of QEMU. Co-authored-by: Junjie Mao <junjie.mao@intel.com> Co-authored-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Junjie Mao <junjie.mao@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Link: https://lore.kernel.org/r/0fb23fbe211761b263aacec03deaf85c0cc39995.1727961605.git.manos.pitsidianakis@linaro.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>