6 use core::ptr::{self, NonNull};
12 pub unsafe fn expose_existing_mapping(ptr: *mut u8, len: usize) -> Result<()> {  in expose_existing_mapping()
15             ptr.cast(),  in expose_existing_mapping()
22 pub unsafe fn hide_existing_mapping(ptr: *mut u8, len: usize) -> Result<()> {  in hide_existing_mapping()
23     unsafe { cvt(capi::wasmtime_mprotect(ptr.cast(), len, 0)) }  in hide_existing_mapping()
26 pub unsafe fn erase_existing_mapping(ptr: *mut u8, len: usize) -> Result<()> {  in erase_existing_mapping()
27     unsafe { cvt(capi::wasmtime_mmap_remap(ptr.cast(), len, 0)) }  in erase_existing_mapping()
73             let mut ptr = ptr::null_mut();  in from_data()  localVariable
77                 &mut ptr,  in from_data()
79             match NonNull::new(ptr) {  in from_data()
80                 Some(ptr) => Ok(Some(MemoryImageSource {  in from_data()
81                     data: SendSyncPtr::new(ptr),  in from_data()