Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* first commit for Rust support
* add CI job using Fedora + Rust nightly
* fix detection of ATOMIC128 on x86_64
* fix compilation with Sphinx 8.1.0

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# gpg: Signature made Fri 11 Oct 2024 12:48:53 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  docs: use consistent markup for footnotes
  docs: avoid footnotes consisting of just URLs
  docs: fix invalid footnote syntax
  gitlab-ci: add Rust-enabled CI job
  dockerfiles: add a Dockerfile using a nightly Rust toolchain
  meson: ensure -mcx16 is passed when detecting ATOMIC128
  meson: define qemu_isa_flags
  meson: fix machine option for x86_version
  rust: add PL011 device model
  rust: add utility procedural macro crate
  scripts/archive-source: find directory name for subprojects
  rust: add crate to expose bindings and interfaces
  meson.build: add HAVE_GLIB_WITH_ALIGNED_ALLOC flag
  .gitattributes: add Rust diff and merge attributes
  rust: add bindgen step as a meson dependency
  configure, meson: detect Rust toolchain
  build-sys: Add rust feature option
  Require meson version 1.5.0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 43 insertions, 0 deletions

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 <manos.pitsidianakis@linaro.org>
+// 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)
+}