Bump Rust version to nightly-2025-02-18(2024 Edition)

user/src/bin/cat_filea.rs

@@ -5,9 +5,9 @@
 extern crate user_lib;
 extern crate alloc;
 
-use user_lib::{close, open, read, OpenFlags};
+use user_lib::{OpenFlags, close, open, read};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     let fd = open("filea\0", OpenFlags::RDONLY);
     if fd == -1 {

user/src/bin/exit.rs

@@ -7,7 +7,7 @@ use user_lib::{exit, fork, wait, waitpid, yield_};
 
 const MAGIC: i32 = -0x10384;
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     println!("I am the parent. Forking the child...");
     let pid = fork();

user/src/bin/fantastic_text.rs

@@ -5,12 +5,12 @@
 extern crate user_lib;
 
 macro_rules! color_text {
-    ($text:expr, $color:expr) => {{
+    ($text:expr, $color:expr) => {
         format_args!("\x1b[{}m{}\x1b[0m", $color, $text)
-    }};
+    };
 }
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     println!(
         "{}{}{}{}{} {}{}{}{} {}{}{}{}{}{}",

user/src/bin/filetest_simple.rs

@@ -4,9 +4,9 @@
 #[macro_use]
 extern crate user_lib;
 
-use user_lib::{close, open, read, write, OpenFlags};
+use user_lib::{OpenFlags, close, open, read, write};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     let test_str = "Hello, world!";
     let filea = "filea\0";

user/src/bin/forktest.rs

@@ -8,7 +8,7 @@ use user_lib::{exit, fork, wait};
 
 const MAX_CHILD: usize = 30;
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     for i in 0..MAX_CHILD {
         let pid = fork();

user/src/bin/forktest2.rs

@@ -8,7 +8,7 @@ use user_lib::{exit, fork, get_time, getpid, sleep, wait};
 
 static NUM: usize = 30;
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     for _ in 0..NUM {
         let pid = fork();

user/src/bin/forktest_simple.rs

@@ -6,7 +6,7 @@ extern crate user_lib;
 
 use user_lib::{fork, getpid, wait};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     assert_eq!(wait(&mut 0i32), -1);
     println!("sys_wait without child process test passed!");

user/src/bin/forktree.rs

@@ -29,7 +29,7 @@ fn fork_tree(cur: &str) {
     fork_child(cur, '1');
 }
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     fork_tree("");
     sleep(3000);

user/src/bin/hello_world.rs

@@ -4,7 +4,7 @@
 #[macro_use]
 extern crate user_lib;
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     println!("Hello world from user mode program!");
     0

user/src/bin/huge_write.rs

@@ -4,9 +4,9 @@
 #[macro_use]
 extern crate user_lib;
 
-use user_lib::{close, get_time, open, write, OpenFlags};
+use user_lib::{OpenFlags, close, get_time, open, write};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     let mut buffer = [0u8; 1024]; // 1KiB
     for (i, ch) in buffer.iter_mut().enumerate() {

user/src/bin/initproc.rs

@@ -6,7 +6,7 @@ extern crate user_lib;
 
 use user_lib::{exec, fork, wait, yield_};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 fn main() -> i32 {
     if fork() == 0 {
         exec("user_shell\0");

user/src/bin/matrix.rs

@@ -44,7 +44,7 @@ fn work(times: isize) {
     exit(0);
 }
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     for _ in 0..NUM {
         let pid = fork();

user/src/bin/sleep.rs

@@ -15,7 +15,7 @@ fn sleepy() {
     exit(0);
 }
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     let current_time = get_time();
     let pid = fork();

user/src/bin/sleep_simple.rs

@@ -6,7 +6,7 @@ extern crate user_lib;
 
 use user_lib::{get_time, sleep};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     println!("into sleep test!");
     let start = get_time();

user/src/bin/stack_overflow.rs

@@ -12,7 +12,7 @@ fn f(depth: usize) {
     f(depth + 1);
 }
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     println!("It should trigger segmentation fault!");
     f(0);

user/src/bin/user_shell.rs

@@ -16,7 +16,7 @@ use alloc::string::String;
 use user_lib::console::getchar;
 use user_lib::{exec, fork, waitpid};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     println!("Rust user shell");
     let mut line: String = String::new();

user/src/bin/usertests.rs

@@ -84,7 +84,7 @@ fn run_tests(tests: &[(&str, &str, &str, &str, i32)]) -> i32 {
     pass_num
 }
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     let succ_num = run_tests(SUCC_TESTS);
     let err_num = run_tests(FAIL_TESTS);

user/src/bin/usertests_simple.rs

@@ -20,7 +20,7 @@ static TESTS: &[&str] = &[
 
 use user_lib::{exec, fork, waitpid};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     for test in TESTS {
         println!("Usertests: Running {}", test);

user/src/bin/yield.rs

@@ -5,7 +5,7 @@
 extern crate user_lib;
 use user_lib::{getpid, yield_};
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub fn main() -> i32 {
     println!("Hello, I am process {}.", getpid());
     for i in 0..5 {

user/src/lang_items.rs

@@ -2,7 +2,7 @@ use super::exit;
 
 #[panic_handler]
 fn panic_handler(panic_info: &core::panic::PanicInfo) -> ! {
-    let err = panic_info.message().unwrap();
+    let err = panic_info.message();
     if let Some(location) = panic_info.location() {
         println!(
             "Panicked at {}:{}, {}",

user/src/lib.rs

@@ -1,6 +1,5 @@
 #![no_std]
 #![feature(linkage)]
-#![feature(panic_info_message)]
 #![feature(alloc_error_handler)]
 
 #[macro_use]
@@ -13,6 +12,7 @@ extern crate alloc;
 extern crate bitflags;
 
 use buddy_system_allocator::LockedHeap;
+use core::ptr::addr_of_mut;
 use syscall::*;
 
 const USER_HEAP_SIZE: usize = 32768;
@@ -27,18 +27,18 @@ pub fn handle_alloc_error(layout: core::alloc::Layout) -> ! {
     panic!("Heap allocation error, layout = {:?}", layout);
 }
 
-#[no_mangle]
-#[link_section = ".text.entry"]
+#[unsafe(no_mangle)]
+#[unsafe(link_section = ".text.entry")]
 pub extern "C" fn _start() -> ! {
     unsafe {
         HEAP.lock()
-            .init(HEAP_SPACE.as_ptr() as usize, USER_HEAP_SIZE);
+            .init(addr_of_mut!(HEAP_SPACE) as usize, USER_HEAP_SIZE);
     }
     exit(main());
 }
 
 #[linkage = "weak"]
-#[no_mangle]
+#[unsafe(no_mangle)]
 fn main() -> i32 {
     panic!("Cannot find main!");
 }