pub mod rust_2024 { pub use crate::print; pub use crate::println; pub use alloc::format; pub use alloc::vec; #[stable(feature = "rust1", since = "1.0.0")] #[doc(no_inline)] pub use crate::borrow::ToOwned; #[stable(feature = "rust1", since = "1.0.0")] #[doc(no_inline)] pub use crate::boxed::Box; #[stable(feature = "rust1", since = "1.0.0")] #[doc(no_inline)] pub use crate::string::{String, ToString}; #[stable(feature = "rust1", since = "1.0.0")] #[doc(no_inline)] pub use crate::vec::Vec; // Re-exported built-in macros and traits #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] #[doc(no_inline)] #[expect(deprecated)] pub use core::prelude::v1::{ Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd, assert, assert_eq, assert_ne, cfg, column, compile_error, concat, debug_assert, debug_assert_eq, debug_assert_ne, env, file, format_args, include, include_bytes, include_str, line, matches, module_path, option_env, stringify, todo, r#try, unimplemented, unreachable, write, writeln, }; #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] #[doc(no_inline)] pub use crate::thread_local; #[stable(feature = "cfg_select", since = "1.95.0")] #[doc(no_inline)] pub use core::prelude::v1::cfg_select; #[unstable( feature = "concat_bytes", issue = "87555", reason = "`concat_bytes` is not stable enough for use and is subject to change" )] #[doc(no_inline)] pub use core::prelude::v1::concat_bytes; #[unstable(feature = "const_format_args", issue = "none")] #[doc(no_inline)] pub use core::prelude::v1::const_format_args; #[unstable( feature = "log_syntax", issue = "29598", reason = "`log_syntax!` is not stable enough for use and is subject to change" )] #[doc(no_inline)] pub use core::prelude::v1::log_syntax; #[unstable( feature = "trace_macros", issue = "29598", reason = "`trace_macros` is not stable enough for use and is subject to change" )] #[doc(no_inline)] pub use core::prelude::v1::trace_macros; // Do not `doc(no_inline)` so that they become doc items on their own // (no public module for them to be re-exported from). #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] pub use core::prelude::v1::{ alloc_error_handler, bench, derive, global_allocator, test, test_case, }; #[unstable(feature = "derive_const", issue = "118304")] pub use core::prelude::v1::derive_const; // Do not `doc(no_inline)` either. #[unstable( feature = "cfg_accessible", issue = "64797", reason = "`cfg_accessible` is not fully implemented" )] pub use core::prelude::v1::cfg_accessible; // Do not `doc(no_inline)` either. #[unstable( feature = "cfg_eval", issue = "82679", reason = "`cfg_eval` is a recently implemented feature" )] pub use core::prelude::v1::cfg_eval; // Do not `doc(no_inline)` either. #[unstable( feature = "type_ascription", issue = "23416", reason = "placeholder syntax for type ascription" )] pub use core::prelude::v1::type_ascribe; // Do not `doc(no_inline)` either. #[unstable( feature = "deref_patterns", issue = "87121", reason = "placeholder syntax for deref patterns" )] pub use core::prelude::v1::deref; // Do not `doc(no_inline)` either. #[unstable( feature = "type_alias_impl_trait", issue = "63063", reason = "`type_alias_impl_trait` has open design concerns" )] pub use core::prelude::v1::define_opaque; #[unstable(feature = "extern_item_impls", issue = "125418")] pub use core::prelude::v1::{eii, unsafe_eii}; #[unstable(feature = "eii_internals", issue = "none")] pub use core::prelude::v1::eii_declaration; #[stable(feature = "prelude_2021", since = "1.55.0")] #[doc(no_inline)] pub use core::prelude::rust_2021::*; #[stable(feature = "prelude_2024", since = "1.85.0")] #[doc(no_inline)] pub use core::prelude::rust_2024::*; #[stable(feature = "rust1", since = "1.0.0")] #[doc(no_inline)] pub use crate::convert::{AsMut, AsRef, From, Into}; extern crate alloc; struct GlobalAllocator; #[core::prelude::v1::global_allocator] static GLOBAL_ALLOCATOR: GlobalAllocator = GlobalAllocator; unsafe impl core::alloc::GlobalAlloc for GlobalAllocator { unsafe fn alloc(&self, layout: core::alloc::Layout) -> *mut u8 { crate::syscall::alloc(layout) } unsafe fn dealloc(&self, ptr: *mut u8, layout: core::alloc::Layout) { crate::syscall::dealloc(ptr, layout) } } // #[panic_handler] // fn panic(_panic_info: &core::panic::PanicInfo) -> ! { // // TODO print // loop {} // } /// # Safety /// `argc` and `argv` are passed by the kernel #[unsafe(no_mangle)] pub unsafe extern "C" fn _start(argc: isize, argv: *const *const u8) -> isize { unsafe extern "Rust" { fn main(argc: isize, argv: *const *const u8) -> isize; } unsafe { main(argc, argv) } } #[lang = "start"] pub fn lang_start( main: fn() -> T, argc: isize, argv: *const *const u8, _sigpipe: u8, ) -> isize { println!("{}", argc); println!("{:?}", argv); main().report().to_i32() as isize } }