59869b4d58
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Link: https://lore.kernel.org/r/20250827104147.717203-7-marcandre.lureau@redhat.com Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
// Copyright 2024, Linaro Limited
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// Author(s): Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
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// SPDX-License-Identifier: GPL-2.0-or-later
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//! Macro to register blocks of code that run as QEMU starts up.
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#[macro_export]
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macro_rules! module_init {
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($type:ident => $body:block) => {
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const _: () = {
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#[used]
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#[cfg_attr(
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not(any(target_vendor = "apple", target_os = "windows")),
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link_section = ".init_array"
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)]
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#[cfg_attr(target_vendor = "apple", link_section = "__DATA,__mod_init_func")]
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#[cfg_attr(target_os = "windows", link_section = ".CRT$XCU")]
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pub static LOAD_MODULE: extern "C" fn() = {
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extern "C" fn init_fn() {
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$body
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}
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extern "C" fn ctor_fn() {
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unsafe {
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$crate::bindings::register_module_init(
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Some(init_fn),
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$crate::bindings::module_init_type::$type,
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);
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}
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}
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ctor_fn
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};
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};
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};
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// shortcut because it's quite common that $body needs unsafe {}
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($type:ident => unsafe $body:block) => {
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::util::module_init! {
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$type => { unsafe { $body } }
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}
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};
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}
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