Initial reorg.

This is largely the same as #305, but updated for the current tree.

crates/runtime/src/lib.rs

@@ -0,0 +1,73 @@
+//! Runtime library support for Wasmtime.
+
+#![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
+#![warn(unused_import_braces)]
+#![cfg_attr(feature = "std", deny(unstable_features))]
+#![cfg_attr(feature = "clippy", plugin(clippy(conf_file = "../../clippy.toml")))]
+#![cfg_attr(
+    feature = "cargo-clippy",
+    allow(clippy::new_without_default, clippy::new_without_default_derive)
+)]
+#![cfg_attr(
+    feature = "cargo-clippy",
+    warn(
+        clippy::float_arithmetic,
+        clippy::mut_mut,
+        clippy::nonminimal_bool,
+        clippy::option_map_unwrap_or,
+        clippy::option_map_unwrap_or_else,
+        clippy::print_stdout,
+        clippy::unicode_not_nfc,
+        clippy::use_self
+    )
+)]
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[macro_use]
+extern crate lazy_static;
+#[macro_use]
+extern crate memoffset;
+extern crate alloc;
+
+mod export;
+mod imports;
+mod instance;
+mod jit_int;
+mod memory;
+mod mmap;
+mod sig_registry;
+mod signalhandlers;
+mod table;
+mod trap_registry;
+mod traphandlers;
+mod vmcontext;
+
+pub mod libcalls;
+
+pub use crate::export::Export;
+pub use crate::imports::Imports;
+pub use crate::instance::{InstanceHandle, InstantiationError, LinkError};
+pub use crate::jit_int::GdbJitImageRegistration;
+pub use crate::mmap::Mmap;
+pub use crate::sig_registry::SignatureRegistry;
+pub use crate::signalhandlers::{wasmtime_init_eager, wasmtime_init_finish};
+pub use crate::trap_registry::{get_mut_trap_registry, get_trap_registry, TrapRegistrationGuard};
+pub use crate::traphandlers::{wasmtime_call, wasmtime_call_trampoline};
+pub use crate::vmcontext::{
+    VMCallerCheckedAnyfunc, VMContext, VMFunctionBody, VMFunctionImport, VMGlobalDefinition,
+    VMGlobalImport, VMInvokeArgument, VMMemoryDefinition, VMMemoryImport, VMSharedSignatureIndex,
+    VMTableDefinition, VMTableImport,
+};
+
+#[cfg(not(feature = "std"))]
+use hashbrown::{hash_map, HashMap, HashSet};
+#[cfg(feature = "std")]
+use std::collections::{hash_map, HashMap, HashSet};
+
+#[cfg(not(feature = "std"))]
+use spin::{RwLock, RwLockReadGuard, RwLockWriteGuard};
+#[cfg(feature = "std")]
+use std::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard};
+
+/// Version number of this crate.
+pub const VERSION: &str = env!("CARGO_PKG_VERSION");