58bb5dd953
`funcref`s are implemented as `NonNull<VMCallerCheckedAnyfunc>`. This should be more efficient than using a `VMExternRef` that points at a `VMCallerCheckedAnyfunc` because it gets rid of an indirection, dynamic allocation, and some reference counting. Note that the null function reference is *NOT* a null pointer; it is a `VMCallerCheckedAnyfunc` that has a null `func_ptr` member. Part of #929
47 lines
971 B
Rust
47 lines
971 B
Rust
mod cli_tests;
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mod custom_signal_handler;
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mod debug;
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mod externals;
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mod func;
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mod fuzzing;
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mod globals;
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mod iloop;
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mod import_calling_export;
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mod import_indexes;
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mod instance;
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mod invoke_func_via_table;
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mod linker;
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mod memory_creator;
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mod name;
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mod stack_overflow;
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mod table;
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mod traps;
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mod use_after_drop;
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mod wast;
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// TODO(#1886): Cranelift only supports reference types on x64.
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#[cfg(target_arch = "x86_64")]
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mod funcref;
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#[cfg(target_arch = "x86_64")]
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mod gc;
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/// A helper to compile a module in a new store with reference types enabled.
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#[cfg(target_arch = "x86_64")]
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pub(crate) fn ref_types_module(
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source: &str,
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) -> anyhow::Result<(wasmtime::Store, wasmtime::Module)> {
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use wasmtime::*;
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let _ = env_logger::try_init();
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let mut config = Config::new();
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config.wasm_reference_types(true);
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let engine = Engine::new(&config);
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let store = Store::new(&engine);
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let module = Module::new(&engine, source)?;
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Ok((store, module))
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}
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