1 use crate::alloc::{GlobalAlloc, Layout, System};
3 use crate::sys::hermit::abi;
5 #[stable(feature = "alloc_system_type", since = "1.28.0")]
6 unsafe impl GlobalAlloc for System {
8 unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
9 abi::malloc(layout.size(), layout.align())
12 unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
13 let addr = abi::malloc(layout.size(), layout.align());
16 ptr::write_bytes(addr, 0x00, layout.size());
23 unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
24 abi::free(ptr, layout.size(), layout.align())
28 unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
29 abi::realloc(ptr, layout.size(), layout.align(), new_size)