message: Update vm::Ctx.
diff: @@ -14,25 +14,25 @@ use std::{ffi::c_void, mem, ptr};
  #[repr(C)]
  pub struct Ctx {
  /// A pointer to an array of locally-defined memories, indexed by `MemoryIndex`.
  - pub(crate) memories: *mut *mut LocalMemory,
  + pub memories: *mut *mut LocalMemory,
  /// A pointer to an array of locally-defined tables, indexed by `TableIndex`.
  - pub(crate) tables: *mut *mut LocalTable,
  + pub tables: *mut *mut LocalTable,
  /// A pointer to an array of locally-defined globals, indexed by `GlobalIndex`.
  - pub(crate) globals: *mut *mut LocalGlobal,
  + pub globals: *mut *mut LocalGlobal,
  /// A pointer to an array of imported memories, indexed by `MemoryIndex,
  pub(crate) imported_memories: *mut *mut LocalMemory,
  /// A pointer to an array of imported tables, indexed by `TableIndex`.
  - pub(crate) imported_tables: *mut *mut LocalTable,
  + pub imported_tables: *mut *mut LocalTable,
  /// A pointer to an array of imported globals, indexed by `GlobalIndex`.
  - pub(crate) imported_globals: *mut *mut LocalGlobal,
  + pub imported_globals: *mut *mut LocalGlobal,
  /// A pointer to an array of imported functions, indexed by `FuncIndex`.
  - pub(crate) imported_funcs: *mut ImportedFunc,
  + pub imported_funcs: *mut ImportedFunc,
  local_backing: *mut LocalBacking,
  import_backing: *mut ImportBacking,
  