[chore] Upgrade to edition2024, bump to v0.2.0

Cargo.toml

@@ -7,12 +7,12 @@ members = [
 ]
 
 [workspace.package]
-version = "0.1.1"
+version = "0.2.0"
+edition = "2024"
 authors = ["Youjie Zheng <Azure_stars@126.com>"]
 license = "GPL-3.0-or-later OR Apache-2.0 OR MulanPSL-2.0"
 homepage = "https://github.com/arceos-org/arceos"
 documentation = "https://arceos-org.github.io/ctor_bare"
 repository = "https://github.com/arceos-org/ctor_bare"
 keywords = ["arceos", "constructor", "no_std"]
 categories = ["development-tools::procedural-macro-helpers", "no-std"]
-

ctor_bare/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ctor_bare"
-edition = "2021"
+edition.workspace = true
 description = "Register constructor functions for Rust at complie time under no_std."
 documentation = "https://docs.rs/ctor_bare"
 version.workspace = true

ctor_bare/src/lib.rs

@@ -5,11 +5,11 @@ pub use ctor_bare_macros::register_ctor;
 
 /// Placeholder for the `.init_array` section, so that
 /// the `__init_array_start` and `__init_array_end` symbols can be generated.
-#[link_section = ".init_array"]
+#[unsafe(link_section = ".init_array")]
 #[used]
 static _SECTION_PLACE_HOLDER: [u8; 0] = [];
 
-extern "C" {
+unsafe extern "C" {
     fn __init_array_start();
     fn __init_array_end();
 }

ctor_bare_macros/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ctor_bare_macros"
-edition = "2021"
+edition.workspace = true
 description = "Macros for registering constructor functions for Rust under no_std."
 documentation = "https://docs.rs/ctor_bare_macros"
 version.workspace = true

ctor_bare_macros/src/lib.rs

@@ -11,7 +11,7 @@
 use proc_macro::TokenStream;
 use proc_macro2::Span;
 use quote::{format_ident, quote};
-use syn::{parse_macro_input, Error, Item};
+use syn::{Error, Item, parse_macro_input};
 
 /// Register a constructor function to be called before `main`.
 ///