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Zhao Liu 6f8e6aed81 rust/vmstate: Add support for field_exists checks 
Unfortunately, at present it's not possible to have a const
"with_exist_check" method to append test_fn after vmstate_struct (due
to error on "constant functions cannot evaluate destructors" for `F`).

Before the vmstate builder, the only way to support "test_fn" is to
extend vmstate_struct macro to add the such new optional member (and
fortunately, Rust can still parse the current expansion!).

Abstract the previous callback implementation of vmstate_validate into
a separate macro, and moves it before vmstate_struct for vmstate_struct
to call.

Note that there's no need to add any extra flag for a new test_fn added
in the VMStateField.

Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250414144943.1112885-2-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-02 17:37:46 +02:00
..
src rust/vmstate: Add support for field_exists checks 2025-05-02 17:37:46 +02:00
tests rust/vmstate_test: Fix typo in test_vmstate_macro_array_of_pointer_wrapped() 2025-04-23 10:35:23 +02:00
.gitignore rust: allow using build-root bindings.rs from cargo 2024-12-10 18:44:06 +01:00
build.rs rust: build: add "make clippy", "make rustfmt", "make rustdoc" 2024-12-10 18:44:06 +01:00
Cargo.toml rust: subprojects: add libc crate 2025-02-25 10:49:23 +01:00
meson.build rust/vmstate: Add unit test for vmstate_of macro 2025-03-21 12:56:00 +01:00
README.md rust: build: add "make clippy", "make rustfmt", "make rustdoc" 2024-12-10 18:44:06 +01:00

README.md

QEMU bindings and API wrappers

This library exports helper Rust types, Rust macros and C FFI bindings for internal QEMU APIs.

The C bindings can be generated with bindgen, using this build target:

$ make bindings.inc.rs

Generate Rust documentation

Common Cargo tasks can be performed from the QEMU build directory

$ make clippy
$ make rustfmt
$ make rustdoc