75 /// use std::alloc::{alloc, dealloc, Layout};
78 ///     let layout = Layout::new::<u16>();
79 ///     let ptr = alloc(layout);
84 ///     dealloc(ptr, layout);
90 pub unsafe fn alloc(layout: Layout) -> *mut u8 {  in alloc()
91     unsafe { __rust_alloc(layout.size(), layout.align()) }  in alloc()
108 pub unsafe fn dealloc(ptr: *mut u8, layout: Layout) {  in dealloc()  argument
109     unsafe { __rust_dealloc(ptr, layout.size(), layout.align()) }  in dealloc()
127 pub unsafe fn realloc(ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {  in realloc()  argument
128     unsafe { __rust_realloc(ptr, layout.size(), layout.align(), new_size) }  in realloc()
147 /// use std::alloc::{alloc_zeroed, dealloc, Layout};
150 ///     let layout = Layout::new::<u16>();
151 ///     let ptr = alloc_zeroed(layout);
155 ///     dealloc(ptr, layout);
161 pub unsafe fn alloc_zeroed(layout: Layout) -> *mut u8 {  in alloc_zeroed()
162     unsafe { __rust_alloc_zeroed(layout.size(), layout.align()) }  in alloc_zeroed()
168     fn alloc_impl(&self, layout: Layout, zeroed: bool) -> Result<NonNull<[u8]>, AllocError> {  in alloc_impl()  argument
169         match layout.size() {  in alloc_impl()
170             0 => Ok(NonNull::slice_from_raw_parts(layout.dangling(), 0)),  in alloc_impl()
171             // SAFETY: `layout` is non-zero in size,  in alloc_impl()
173                 let raw_ptr = if zeroed { alloc_zeroed(layout) } else { alloc(layout) };  in alloc_impl()
185         old_layout: Layout,  in grow_impl()  argument
186         new_layout: Layout,  in grow_impl()  argument
232     fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> {  in allocate()
233         self.alloc_impl(layout, false)  in allocate()
237     fn allocate_zeroed(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> {  in allocate_zeroed()
238         self.alloc_impl(layout, true)  in allocate_zeroed()
242     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {  in deallocate()  argument
243         if layout.size() != 0 {  in deallocate()
244             // SAFETY: `layout` is non-zero in size,  in deallocate()
246             unsafe { dealloc(ptr.as_ptr(), layout) }  in deallocate()
254         old_layout: Layout,  in grow()  argument
255         new_layout: Layout,  in grow()  argument
265         old_layout: Layout,  in grow_zeroed()  argument
266         new_layout: Layout,  in grow_zeroed()  argument
276         old_layout: Layout,  in shrink()  argument
277         new_layout: Layout,  in shrink()  argument
321     let layout = unsafe { Layout::from_size_align_unchecked(size, align) };  in exchange_malloc()  localVariable
322     match Global.allocate(layout) {  in exchange_malloc()
324         Err(_) => handle_alloc_error(layout),  in exchange_malloc()
343         let layout = Layout::from_size_align_unchecked(size, align);  in box_free()  localVariable
344         alloc.deallocate(From::from(ptr.cast()), layout)  in box_free()
374 pub const fn handle_alloc_error(layout: Layout) -> ! {  in handle_alloc_error()  argument
375     const fn ct_error(_: Layout) -> ! {  in handle_alloc_error()  argument
379     fn rt_error(layout: Layout) -> ! {  in handle_alloc_error()  argument
381             __rust_alloc_error_handler(layout.size(), layout.align());  in handle_alloc_error()
385     unsafe { core::intrinsics::const_eval_select((layout,), ct_error, rt_error) }  in handle_alloc_error()
397     use crate::alloc::Layout;
410         let layout = unsafe { Layout::from_size_align_unchecked(size, align) };  in __rg_oom()  localVariable
413             fn oom_impl(layout: Layout) -> !;  in __rg_oom()  argument
415         unsafe { oom_impl(layout) }  in __rg_oom()