From 40ff16e42dd256664ed1bd018ddcecb138e48ed1 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Tue, 18 Apr 2017 21:26:18 -0600
Subject: [PATCH] Add __rust_allocate_zeroed to work with newest nightly
---
alloc_kernel/src/lib.rs | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/alloc_kernel/src/lib.rs b/alloc_kernel/src/lib.rs
index df908438..a7dc6078 100644
--- a/alloc_kernel/src/lib.rs
+++ b/alloc_kernel/src/lib.rs
@@ -4,6 +4,7 @@
#![allocator]
#![no_std]
+use core::ptr;
use spin::Mutex;
use linked_list_allocator::Heap;
@@ -25,6 +26,15 @@ pub extern fn __rust_allocate(size: usize, align: usize) -> *mut u8 {
}
}
+#[no_mangle]
+pub extern fn __rust_allocate_zeroed(size: usize, align: usize) -> *mut u8 {
+ let ptr = __rust_allocate(size, align);
+ unsafe {
+ ptr::write_bytes(ptr, 0, size);
+ }
+ ptr
+}
+
#[no_mangle]
pub extern fn __rust_deallocate(ptr: *mut u8, size: usize, align: usize) {
if let Some(ref mut heap) = *HEAP.lock() {
--
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