9dd0b59c2a
This commit improves ABI support in Winch's trampolines mainly by: * Adding support for the `fastcall` calling convention. * By storing/restoring callee-saved registers. One of the explicit goals of this change is to make tests available in the x86_64 target as a whole and remove the need exclude the windows target. This commit also introduces a `CallingConvention` enum, to better reflect the subset of calling conventions that are supported by Winch.
74 lines
1.7 KiB
Rust
74 lines
1.7 KiB
Rust
mod async_functions;
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mod call_hook;
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mod cli_tests;
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mod component_model;
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mod custom_signal_handler;
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mod debug;
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mod epoch_interruption;
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mod externals;
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mod fuel;
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mod func;
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mod funcref;
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mod gc;
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mod globals;
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mod host_funcs;
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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 limits;
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mod linker;
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mod memory;
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mod memory_creator;
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mod module;
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mod module_serialize;
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mod name;
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mod pooling_allocator;
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mod relocs;
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mod stack_overflow;
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mod store;
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mod table;
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mod threads;
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mod traps;
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mod wait_notify;
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mod wasi_testsuite;
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mod wast;
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// Currently Winch is only supported in x86_64.
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#[cfg(all(target_arch = "x86_64"))]
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mod winch;
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/// A helper to compile a module in a new store with reference types enabled.
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pub(crate) fn ref_types_module(
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use_epochs: bool,
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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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if use_epochs {
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config.epoch_interruption(true);
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}
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let engine = Engine::new(&config)?;
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let mut store = Store::new(&engine, ());
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if use_epochs {
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store.set_epoch_deadline(1);
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}
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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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/// A helper determining whether the pooling allocator tests should be skipped.
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pub(crate) fn skip_pooling_allocator_tests() -> bool {
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// There are a couple of issues when running the pooling allocator tests under QEMU:
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// - high memory usage that may exceed the limits imposed by the environment (e.g. CI)
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// - https://github.com/bytecodealliance/wasmtime/pull/2518#issuecomment-747280133
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std::env::var("WASMTIME_TEST_NO_HOG_MEMORY").is_ok()
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}
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