16ca5e16d9
This commit implements allocating fiber stacks in an instance allocator. The on-demand instance allocator doesn't support custom stacks, so the implementation will use the allocation from `wasmtime-fiber` for the fiber stacks. In the future, the pooling instance allocator will return custom stacks to use on Linux and macOS. On Windows, the native fiber implementation will always be used.
This is the wasmtime-runtime crate, which contains wasm runtime library
support, supporting the wasm ABI used by wasmtime-environ,
wasmtime-jit, and wasmtime-obj.
This crate does not make a host vs. target distinction; it is meant to be compiled for the target.
Most users will want to use the main wasmtime crate instead of using this
crate directly.