use super::process::abort_with_message; use crate::webassembly::Instance; use libc::{c_void, memcpy, size_t}; /// emscripten: _emscripten_memcpy_big pub extern "C" fn _emscripten_memcpy_big( dest: u32, src: u32, len: u32, instance: &mut Instance, ) -> u32 { debug!("emscripten::_emscripten_memcpy_big"); let dest_addr = instance.memory_offset_addr(0, dest as usize) as *mut c_void; let src_addr = instance.memory_offset_addr(0, src as usize) as *mut c_void; unsafe { memcpy(dest_addr, src_addr, len as size_t); } dest } /// emscripten: getTotalMemory pub extern "C" fn get_total_memory(_instance: &mut Instance) -> u32 { debug!("emscripten::get_total_memory"); // instance.memories[0].current_pages() 16777216 } /// emscripten: enlargeMemory pub extern "C" fn enlarge_memory(_instance: &mut Instance) { debug!("emscripten::enlarge_memory"); // instance.memories[0].grow(100); } /// emscripten: abortOnCannotGrowMemory pub extern "C" fn abort_on_cannot_grow_memory() { debug!("emscripten::abort_on_cannot_grow_memory"); abort_with_message("Cannot enlarge memory arrays!"); }