wasmer/src/apis/emscripten/storage.rs
2018-12-07 14:50:35 +01:00

19 lines
625 B
Rust

use crate::webassembly::LinearMemory;
pub fn align_memory(ptr: u32) -> u32 {
(ptr + 15) & !15
}
// pub fn static_alloc(size: u32, static_top: &mut u32, memory: &LinearMemory) -> u32 {
// let old_static_top = *static_top;
// let total_memory = memory.maximum_size() * LinearMemory::PAGE_SIZE;
// // NOTE: The `4294967280` is a u32 conversion of -16 as gotten from emscripten.
// *static_top = (*static_top + size + 15) & 4294967280;
// assert!(
// *static_top < total_memory,
// "not enough memory for static allocation - increase total_memory!"
// );
// old_static_top
// }