243ab3b542
This commit removes the global variable associated with wasm traps which stores frame information. The only purpose of this global is to help symbolicate `Trap`s created since we support creating a `Trap` without a `Store`. The global, however, is only used for wasm frames on the stack, and when wasm frames are on the stack we know that our thread local for "what was the last context" is set and configured. The change here is to hijack this thread-local some more to effectively store the `Store` inside of it. All frame information is then moved directly into `Store` and no longer lives off on the side in a global. Additionally support for registering/unregistering modules is now simplified because once a module is registered with a store it can never be unregistered. This has one slight functional change where if there are two instances of `Store` interleaving calls to wasm code on the stack we'll only be able to symbolicate one of them instead of both. That's arguably also a feature however because this is sort of a way to leak information across stores right now. Otherwise, though, this isn't intended to change any existing logic, but instead keep everything working as-is.
61 lines
1.8 KiB
TOML
61 lines
1.8 KiB
TOML
[package]
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name = "wasmtime"
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version = "0.21.0"
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authors = ["The Wasmtime Project Developers"]
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description = "High-level API to expose the Wasmtime runtime"
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documentation = "https://docs.rs/wasmtime"
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license = "Apache-2.0 WITH LLVM-exception"
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repository = "https://github.com/bytecodealliance/wasmtime"
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readme = "README.md"
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edition = "2018"
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[dependencies]
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wasmtime-runtime = { path = "../runtime", version = "0.21.0" }
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wasmtime-environ = { path = "../environ", version = "0.21.0" }
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wasmtime-jit = { path = "../jit", version = "0.21.0" }
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wasmtime-cache = { path = "../cache", version = "0.21.0", optional = true }
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wasmtime-profiling = { path = "../profiling", version = "0.21.0" }
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target-lexicon = { version = "0.11.0", default-features = false }
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wasmparser = "0.67.0"
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anyhow = "1.0.19"
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region = "2.2.0"
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libc = "0.2"
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cfg-if = "1.0"
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backtrace = "0.3.42"
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rustc-demangle = "0.1.16"
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log = "0.4.8"
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wat = { version = "1.0.18", optional = true }
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smallvec = "1.4.0"
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serde = { version = "1.0.94", features = ["derive"] }
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bincode = "1.2.1"
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[target.'cfg(target_os = "windows")'.dependencies]
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winapi = "0.3.7"
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[dev-dependencies]
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tempfile = "3.0"
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wasmtime-wasi = { path = "../wasi" }
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[badges]
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maintenance = { status = "actively-developed" }
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[features]
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default = ['cache', 'wat', 'jitdump', 'parallel-compilation']
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# Enables experimental support for the lightbeam codegen backend, an alternative
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# to cranelift. Requires Nightly Rust currently, and this is not enabled by
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# default.
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lightbeam = ["wasmtime-jit/lightbeam"]
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# Enables support for the `perf` jitdump profiler
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jitdump = ["wasmtime-jit/jitdump"]
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# Enables support for the `VTune` profiler
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vtune = ["wasmtime-jit/vtune"]
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# Enables parallel compilation of WebAssembly code
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parallel-compilation = ["wasmtime-jit/parallel-compilation"]
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# Enables support for automatic cache configuration to be enabled in `Config`.
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cache = ["wasmtime-cache"]
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