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-rw-r--r--.gitignore2
-rw-r--r--Cargo.lock1739
-rw-r--r--Cargo.toml15
-rw-r--r--benches/selfhosted.rs38
-rw-r--r--benches/util/mod.rs6
-rw-r--r--crates/tinywasm/src/imports.rs7
-rw-r--r--crates/tinywasm/src/lib.rs10
-rw-r--r--crates/tinywasm/src/runtime/interpreter/macros.rs38
-rw-r--r--crates/tinywasm/src/runtime/interpreter/mod.rs50
-rw-r--r--crates/tinywasm/src/runtime/stack/call_stack.rs1
-rw-r--r--crates/tinywasm/src/runtime/stack/value_stack.rs87
11 files changed, 1890 insertions, 103 deletions
diff --git a/.gitignore b/.gitignore
index a41fff2..d2fbb51 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@ examples/rust/out/*
examples/rust/target
examples/rust/Cargo.lock
examples/wast/*
+perf.*
+flamegraph.svg
diff --git a/Cargo.lock b/Cargo.lock
index ff4d494..941a5e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,7 +8,7 @@ version = "0.21.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
dependencies = [
- "gimli",
+ "gimli 0.28.1",
]
[[package]]
@@ -29,6 +29,18 @@ dependencies = [
]
[[package]]
+name = "ahash"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c3a9648d43b9cd48db467b3f87fdd6e146bcc88ab0180006cef2179fe11d01"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
+[[package]]
name = "aho-corasick"
version = "1.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -53,6 +65,30 @@ dependencies = [
]
[[package]]
+name = "anes"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
+
+[[package]]
+name = "anstyle"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
+
+[[package]]
+name = "anyhow"
+version = "1.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "080e9890a082662b09c1ad45f567faeeb47f22b5fb23895fbe1e651e718e25ca"
+
+[[package]]
+name = "arbitrary"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
+
+[[package]]
name = "argh"
version = "0.1.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -84,6 +120,23 @@ dependencies = [
]
[[package]]
+name = "arrayvec"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
+
+[[package]]
+name = "async-trait"
+version = "0.1.77"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c980ee35e870bd1a4d2c8294d4c04d0499e67bca1e4b5cefcc693c2fa00caea9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
+[[package]]
name = "autocfg"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -105,6 +158,21 @@ dependencies = [
]
[[package]]
+name = "base64"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
+]
+
+[[package]]
name = "bitflags"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -194,11 +262,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
[[package]]
+name = "cast"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
+
+[[package]]
name = "cc"
version = "1.0.83"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
dependencies = [
+ "jobserver",
"libc",
]
@@ -223,6 +298,58 @@ dependencies = [
]
[[package]]
+name = "ciborium"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42e69ffd6f0917f5c029256a24d0161db17cea3997d185db0d35926308770f0e"
+dependencies = [
+ "ciborium-io",
+ "ciborium-ll",
+ "serde",
+]
+
+[[package]]
+name = "ciborium-io"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05afea1e0a06c9be33d539b876f1ce3692f4afea2cb41f740e7743225ed1c757"
+
+[[package]]
+name = "ciborium-ll"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57663b653d948a338bfb3eeba9bb2fd5fcfaecb9e199e87e1eda4d9e8b240fd9"
+dependencies = [
+ "ciborium-io",
+ "half",
+]
+
+[[package]]
+name = "clap"
+version = "4.4.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e578d6ec4194633722ccf9544794b71b1385c3c027efe0c55db226fc880865c"
+dependencies = [
+ "clap_builder",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4df4df40ec50c46000231c914968278b1eb05098cf8f1b3a518a95030e71d1c7"
+dependencies = [
+ "anstyle",
+ "clap_lex",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
+
+[[package]]
name = "color-eyre"
version = "0.6.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -314,6 +441,28 @@ dependencies = [
]
[[package]]
+name = "corosensei"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80128832c58ea9cbd041d2a759ec449224487b2c1e400453d99d244eead87a8e"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "libc",
+ "scopeguard",
+ "windows-sys 0.33.0",
+]
+
+[[package]]
+name = "cpp_demangle"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eeaa953eaad386a53111e47172c2fedba671e5684c8dd601a5f474f4f118710f"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
name = "cpufeatures"
version = "0.2.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -323,6 +472,198 @@ dependencies = [
]
[[package]]
+name = "cranelift-bforest"
+version = "0.91.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a2ab4512dfd3a6f4be184403a195f76e81a8a9f9e6c898e19d2dc3ce20e0115"
+dependencies = [
+ "cranelift-entity 0.91.1",
+]
+
+[[package]]
+name = "cranelift-bforest"
+version = "0.104.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d819feeda4c420a18f1e28236ca0ce1177b22bf7c8a44ddee92dfe40de15bcf0"
+dependencies = [
+ "cranelift-entity 0.104.0",
+]
+
+[[package]]
+name = "cranelift-codegen"
+version = "0.91.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98b022ed2a5913a38839dfbafe6cf135342661293b08049843362df4301261dc"
+dependencies = [
+ "arrayvec",
+ "bumpalo",
+ "cranelift-bforest 0.91.1",
+ "cranelift-codegen-meta 0.91.1",
+ "cranelift-codegen-shared 0.91.1",
+ "cranelift-egraph",
+ "cranelift-entity 0.91.1",
+ "cranelift-isle 0.91.1",
+ "gimli 0.26.2",
+ "log",
+ "regalloc2 0.5.1",
+ "smallvec",
+ "target-lexicon",
+]
+
+[[package]]
+name = "cranelift-codegen"
+version = "0.104.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9b8d03d5bdbca7e5f72b0e0a0f69933ed1f09e24be6c075aa6fe3f802b0cc0c"
+dependencies = [
+ "bumpalo",
+ "cranelift-bforest 0.104.0",
+ "cranelift-codegen-meta 0.104.0",
+ "cranelift-codegen-shared 0.104.0",
+ "cranelift-control",
+ "cranelift-entity 0.104.0",
+ "cranelift-isle 0.104.0",
+ "gimli 0.28.1",
+ "hashbrown 0.14.3",
+ "log",
+ "regalloc2 0.9.3",
+ "smallvec",
+ "target-lexicon",
+]
+
+[[package]]
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+checksum = "639307b45434ad112a98f8300c0f0ab085cbefcd767efcdef9ef19d4c0756e74"
+dependencies = [
+ "cranelift-codegen-shared 0.91.1",
+]
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+checksum = "a3fd3664e38e51649b17dc30cfdd561273fe2f590dcd013fb75d9eabc6272dfb"
+dependencies = [
+ "cranelift-codegen-shared 0.104.0",
+]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
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+checksum = "4b031ec5e605828975952622b5a77d49126f20ffe88d33719a0af66b23a0fc36"
+
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+checksum = "fada054d017cf2ed8f7ed2336e0517fc1b19e6825be1790de9eb00c94788362b"
+dependencies = [
+ "arbitrary",
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+version = "0.104.0"
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+checksum = "35a69c37e0c10b46fe5527f2397ac821046efbf5f7ec112c8b84df25712f465b"
+dependencies = [
+ "cranelift-codegen 0.104.0",
+ "libc",
+ "target-lexicon",
+]
+
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+name = "cranelift-wasm"
+version = "0.104.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b3fef8bbceb8cb56d3f1778b0418d75c5cf12ec571a35fc01eb41abb0227a25"
+dependencies = [
+ "cranelift-codegen 0.104.0",
+ "cranelift-entity 0.104.0",
+ "cranelift-frontend 0.104.0",
+ "itertools",
+ "log",
+ "smallvec",
+ "wasmparser 0.118.1",
+ "wasmtime-types",
+]
+
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name = "crc32fast"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -332,6 +673,82 @@ dependencies = [
]
[[package]]
+name = "criterion"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
+dependencies = [
+ "anes",
+ "cast",
+ "ciborium",
+ "clap",
+ "criterion-plot",
+ "is-terminal",
+ "itertools",
+ "num-traits",
+ "once_cell",
+ "oorandom",
+ "plotters",
+ "rayon",
+ "regex",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "tinytemplate",
+ "walkdir",
+]
+
+[[package]]
+name = "criterion-plot"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
+dependencies = [
+ "cast",
+ "itertools",
+]
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+checksum = "613f8cc01fe9cf1a3eb3d7f488fd2fa8388403e97039e2f73692932e291a770d"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
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+name = "crossbeam-epoch"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
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+name = "crossbeam-queue"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df0346b5d5e76ac2fe4e327c5fd1118d6be7c51dfb18f9b7922923f287471e35"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"
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+
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name = "crypto-common"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -342,6 +759,73 @@ dependencies = [
]
[[package]]
+name = "darling"
+version = "0.20.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0209d94da627ab5605dcccf08bb18afa5009cfbef48d8a8b7d7bdbc79be25c5e"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
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+version = "0.20.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "177e3443818124b357d8e76f53be906d60937f0d3a90773a664fa63fa253e621"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
+dependencies = [
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+ "quote",
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "978747c1d849a7d2ee5e8adc0159961c48fb7e5db2f06af6723b80123bb53856"
+dependencies = [
+ "cfg-if",
+ "hashbrown 0.14.3",
+ "lock_api",
+ "once_cell",
+ "parking_lot_core",
+]
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+dependencies = [
+ "uuid",
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+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
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+[[package]]
name = "digest"
version = "0.10.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -352,6 +836,16 @@ dependencies = [
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+name = "directories-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "339ee130d97a610ea5a5872d2bbb130fdf68884ff09d3028b81bec8a1ac23bbc"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
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+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3734cc01b7cd37bc62fdbcd9529ca9547440052d4b3886cfdec3b8081a5d3647"
+dependencies = [
+ "anyhow",
+ "cfg-if",
+ "cranelift-codegen 0.104.0",
+ "cranelift-control",
+ "cranelift-entity 0.104.0",
+ "cranelift-frontend 0.104.0",
+ "cranelift-native",
+ "cranelift-wasm",
+ "gimli 0.28.1",
+ "log",
+ "object",
+ "target-lexicon",
+ "thiserror",
+ "wasmparser 0.118.1",
+ "wasmtime-cranelift-shared",
+ "wasmtime-environ",
+ "wasmtime-versioned-export-macros",
+]
+
+[[package]]
+name = "wasmtime-cranelift-shared"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0eb33cd30c47844aa228d4d0030587e65c1108343f311fe9f7248b5bd9cb65c"
+dependencies = [
+ "anyhow",
+ "cranelift-codegen 0.104.0",
+ "cranelift-control",
+ "cranelift-native",
+ "gimli 0.28.1",
+ "object",
+ "target-lexicon",
+ "wasmtime-environ",
+]
+
+[[package]]
+name = "wasmtime-environ"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a3a056b041fdea604f0972e2fae97958e7748d629a55180228348baefdfc217"
+dependencies = [
+ "anyhow",
+ "cranelift-entity 0.104.0",
+ "gimli 0.28.1",
+ "indexmap 2.1.0",
+ "log",
+ "object",
+ "serde",
+ "serde_derive",
+ "target-lexicon",
+ "thiserror",
+ "wasmparser 0.118.1",
+ "wasmtime-types",
+]
+
+[[package]]
+name = "wasmtime-fiber"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43987d0977c07f15c3608c2f255870c127ffd19e35eeedb1ac1dccedf9932a42"
+dependencies = [
+ "anyhow",
+ "cc",
+ "cfg-if",
+ "rustix",
+ "wasmtime-asm-macros",
+ "wasmtime-versioned-export-macros",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "wasmtime-jit"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b3e48395ac672b386ed588d97a9612aa13a345008f26466f0dfb2a91628aa9f"
+dependencies = [
+ "addr2line",
+ "anyhow",
+ "bincode",
+ "cfg-if",
+ "cpp_demangle",
+ "gimli 0.28.1",
+ "ittapi",
+ "log",
+ "object",
+ "rustc-demangle",
+ "rustix",
+ "serde",
+ "serde_derive",
+ "target-lexicon",
+ "wasmtime-environ",
+ "wasmtime-jit-debug",
+ "wasmtime-jit-icache-coherence",
+ "wasmtime-runtime",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "wasmtime-jit-debug"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd21fd0f5ca68681d3d5b636eea00f182d0f9d764144469e9257fd7e3f55ae0e"
+dependencies = [
+ "object",
+ "once_cell",
+ "rustix",
+ "wasmtime-versioned-export-macros",
+]
+
+[[package]]
+name = "wasmtime-jit-icache-coherence"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bdc26415bb89e9ccd3bdc498fef63aabf665c4c0dd710c107691deb9694955da"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "wasmtime-runtime"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0abddaf17912aabaf39be0802d5eba9a002e956e902d1ebd438a2fe1c88769a2"
+dependencies = [
+ "anyhow",
+ "cc",
+ "cfg-if",
+ "indexmap 2.1.0",
+ "libc",
+ "log",
+ "mach",
+ "memfd",
+ "memoffset 0.9.0",
+ "paste",
+ "psm",
+ "rustix",
+ "sptr",
+ "wasm-encoder 0.38.1",
+ "wasmtime-asm-macros",
+ "wasmtime-environ",
+ "wasmtime-fiber",
+ "wasmtime-jit-debug",
+ "wasmtime-versioned-export-macros",
+ "wasmtime-wmemcheck",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "wasmtime-types"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b35a95cdc1433729085beab42c0a5c742b431f25b17c40d7718e46df63d5ffc7"
+dependencies = [
+ "cranelift-entity 0.104.0",
+ "serde",
+ "serde_derive",
+ "thiserror",
+ "wasmparser 0.118.1",
+]
+
+[[package]]
+name = "wasmtime-versioned-export-macros"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fad322733fe67e45743784d8b1df452bcb54f581572a4f1a646a4332deecbcc2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
+[[package]]
+name = "wasmtime-wit-bindgen"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41e5675998fdc74495afdd90ad2bd221206a258075b23048af0535a969b07893"
+dependencies = [
+ "anyhow",
+ "heck",
+ "indexmap 2.1.0",
+ "wit-parser",
+]
+
+[[package]]
+name = "wasmtime-wmemcheck"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b20a19e10d8cb50b45412fb21192982b7ce85c0122dc33bb71f1813e25dc6e52"
+
+[[package]]
name = "wast"
version = "70.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1487,7 +3100,16 @@ dependencies = [
"leb128",
"memchr",
"unicode-width",
- "wasm-encoder",
+ "wasm-encoder 0.39.0",
+]
+
+[[package]]
+name = "wat"
+version = "1.0.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f0dce8cdc288c717cf01e461a1e451a7b8445d53451123536ba576e423a101a"
+dependencies = [
+ "wast",
]
[[package]]
@@ -1548,6 +3170,19 @@ dependencies = [
[[package]]
name = "windows-sys"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43dbb096663629518eb1dfa72d80243ca5a6aca764cae62a2df70af760a9be75"
+dependencies = [
+ "windows_aarch64_msvc 0.33.0",
+ "windows_i686_gnu 0.33.0",
+ "windows_i686_msvc 0.33.0",
+ "windows_x86_64_gnu 0.33.0",
+ "windows_x86_64_msvc 0.33.0",
+]
+
+[[package]]
+name = "windows-sys"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
@@ -1608,6 +3243,12 @@ checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
[[package]]
name = "windows_aarch64_msvc"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd761fd3eb9ab8cc1ed81e56e567f02dd82c4c837e48ac3b2181b9ffc5060807"
+
+[[package]]
+name = "windows_aarch64_msvc"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
@@ -1620,6 +3261,12 @@ checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
[[package]]
name = "windows_i686_gnu"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab0cf703a96bab2dc0c02c0fa748491294bf9b7feb27e1f4f96340f208ada0e"
+
+[[package]]
+name = "windows_i686_gnu"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
@@ -1632,6 +3279,12 @@ checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
[[package]]
name = "windows_i686_msvc"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8cfdbe89cc9ad7ce618ba34abc34bbb6c36d99e96cae2245b7943cd75ee773d0"
+
+[[package]]
+name = "windows_i686_msvc"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
@@ -1644,6 +3297,12 @@ checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
[[package]]
name = "windows_x86_64_gnu"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4dd9b0c0e9ece7bb22e84d70d01b71c6d6248b81a3c60d11869451b4cb24784"
+
+[[package]]
+name = "windows_x86_64_gnu"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
@@ -1668,6 +3327,12 @@ checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
[[package]]
name = "windows_x86_64_msvc"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff1e4aa646495048ec7f3ffddc411e1d829c026a2ec62b39da15c1055e406eaa"
+
+[[package]]
+name = "windows_x86_64_msvc"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
@@ -1688,6 +3353,23 @@ dependencies = [
]
[[package]]
+name = "wit-parser"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df4913a2219096373fd6512adead1fb77ecdaa59d7fc517972a7d30b12f625be"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap 2.1.0",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+]
+
+[[package]]
name = "wyz"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1707,3 +3389,52 @@ dependencies = [
"once_cell",
"pkg-config",
]
+
+[[package]]
+name = "zerocopy"
+version = "0.7.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74d4d3961e53fa4c9a25a8637fc2bfaf2595b3d3ae34875568a5cf64787716be"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
+[[package]]
+name = "zstd"
+version = "0.11.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20cc960326ece64f010d2d2107537f26dc589a6573a316bd5b1dba685fa5fde4"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "5.0.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2a5585e04f9eea4b2a3d1eca508c4dee9592a89ef6f450c11719da0726f4db"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.9+zstd.1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e16efa8a874a0481a574084d34cc26fdb3b99627480f785888deb6386506656"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 13a9397..20674d9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,6 +25,21 @@ edition="2021"
name="wasm-rust"
test=false
+[[bench]]
+name="selfhosted"
+harness=false
+
+[profile.bench]
+opt-level=3
+lto="thin"
+codegen-units=1
+debug=true
+
[dev-dependencies]
color-eyre="0.6"
+criterion={version="0.5", features=["html_reports"]}
+
tinywasm={path="crates/tinywasm"}
+wasmi={version="0.31", features=["std"]}
+wasmer={version="4.2", features=["cranelift", "singlepass"]}
+wasmtime={version="17.0", features=["cranelift"]}
diff --git a/benches/selfhosted.rs b/benches/selfhosted.rs
new file mode 100644
index 0000000..700e3f6
--- /dev/null
+++ b/benches/selfhosted.rs
@@ -0,0 +1,38 @@
+mod util;
+use criterion::{criterion_group, criterion_main, Criterion};
+use tinywasm::types::TinyWasmModule;
+use util::tinywasm_module;
+
+fn run_tinywasm(module: TinyWasmModule) {
+ use tinywasm::*;
+ let module = Module::from(module);
+ let mut store = Store::default();
+ let mut imports = Imports::default();
+ imports.define("env", "printi32", Extern::typed_func(|_: FuncContext<'_>, _: i32| Ok(()))).expect("define");
+ let instance = module.instantiate(&mut store, Some(imports)).expect("instantiate");
+ let hello = instance.exported_func::<(), ()>(&mut store, "hello").expect("exported_func");
+ hello.call(&mut store, ()).expect("call");
+}
+
+fn run_wasmi() {
+ use wasmi::*;
+ let engine = Engine::default();
+ let module = wasmi::Module::new(&engine, TINYWASM).expect("wasmi::Module::new");
+ let mut store = Store::new(&engine, ());
+ let mut linker = <Linker<()>>::new(&engine);
+ linker.define("env", "printi32", Func::wrap(&mut store, |_: Caller<'_, ()>, _: i32| {})).expect("define");
+ let instance = linker.instantiate(&mut store, &module).expect("instantiate").start(&mut store).expect("start");
+ let hello = instance.get_typed_func::<(), ()>(&mut store, "hello").expect("get_typed_func");
+ hello.call(&mut store, ()).expect("call");
+}
+
+const TINYWASM: &[u8] = include_bytes!("../examples/rust/out/tinywasm.wasm");
+fn criterion_benchmark(c: &mut Criterion) {
+ let module = tinywasm_module(TINYWASM);
+
+ c.bench_function("tinywasm", |b| b.iter(|| run_tinywasm(module.clone())));
+ c.bench_function("wasmi", |b| b.iter(|| run_wasmi()));
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);
diff --git a/benches/util/mod.rs b/benches/util/mod.rs
new file mode 100644
index 0000000..7baddb7
--- /dev/null
+++ b/benches/util/mod.rs
@@ -0,0 +1,6 @@
+use tinywasm::{self, parser::Parser, types::TinyWasmModule};
+
+pub fn tinywasm_module(wasm: &[u8]) -> TinyWasmModule {
+ let parser = Parser::new();
+ parser.parse_module_bytes(wasm).expect("parse_module_bytes")
+}
diff --git a/crates/tinywasm/src/imports.rs b/crates/tinywasm/src/imports.rs
index 9c5086a..294e547 100644
--- a/crates/tinywasm/src/imports.rs
+++ b/crates/tinywasm/src/imports.rs
@@ -255,6 +255,13 @@ impl Imports {
Imports { values: BTreeMap::new(), modules: BTreeMap::new() }
}
+ /// Merge two import sets
+ pub fn merge(mut self, other: Self) -> Self {
+ self.values.extend(other.values);
+ self.modules.extend(other.modules);
+ self
+ }
+
/// Link a module
///
/// This will automatically link all imported values on instantiation
diff --git a/crates/tinywasm/src/lib.rs b/crates/tinywasm/src/lib.rs
index f2951b6..bc64ac4 100644
--- a/crates/tinywasm/src/lib.rs
+++ b/crates/tinywasm/src/lib.rs
@@ -122,3 +122,13 @@ pub mod parser {
pub mod types {
pub use tinywasm_types::*;
}
+
+#[cold]
+pub(crate) fn cold() {}
+
+pub(crate) fn unlikely(b: bool) -> bool {
+ if b {
+ cold();
+ }
+ b
+}
diff --git a/crates/tinywasm/src/runtime/interpreter/macros.rs b/crates/tinywasm/src/runtime/interpreter/macros.rs
index cc65812..eba866c 100644
--- a/crates/tinywasm/src/runtime/interpreter/macros.rs
+++ b/crates/tinywasm/src/runtime/interpreter/macros.rs
@@ -146,13 +146,8 @@ macro_rules! comp {
}};
($op:tt, $intermediate:ty, $to:ty, $stack:ident) => {{
- let [a, b] = $stack.values.pop_n_const::<2>()?;
- let a: $intermediate = a.into();
- let b: $intermediate = b.into();
-
- // Cast to unsigned type before comparison
- let a = a as $to;
- let b = b as $to;
+ let b = $stack.values.pop_t::<$intermediate>()? as $to;
+ let a = $stack.values.pop_t::<$intermediate>()? as $to;
$stack.values.push(((a $op b) as i32).into());
}};
}
@@ -160,7 +155,7 @@ macro_rules! comp {
/// Compare a value on the stack to zero
macro_rules! comp_zero {
($op:tt, $ty:ty, $stack:ident) => {{
- let a: $ty = $stack.values.pop()?.into();
+ let a = $stack.values.pop_t::<$ty>()?;
$stack.values.push(((a $op 0) as i32).into());
}};
}
@@ -173,20 +168,14 @@ macro_rules! arithmetic {
// also allow operators such as +, -
($op:tt, $ty:ty, $stack:ident) => {{
- let [a, b] = $stack.values.pop_n_const::<2>()?;
- let a: $ty = a.into();
- let b: $ty = b.into();
+ let b: $ty = $stack.values.pop_t()?;
+ let a: $ty = $stack.values.pop_t()?;
$stack.values.push((a $op b).into());
}};
($op:ident, $intermediate:ty, $to:ty, $stack:ident) => {{
- let [a, b] = $stack.values.pop_n_const::<2>()?;
- let a: $to = a.into();
- let b: $to = b.into();
-
- let a = a as $intermediate;
- let b = b as $intermediate;
-
+ let b = $stack.values.pop_t::<$to>()? as $intermediate;
+ let a = $stack.values.pop_t::<$to>()? as $intermediate;
let result = a.$op(b);
$stack.values.push((result as $to).into());
}};
@@ -215,19 +204,14 @@ macro_rules! checked_int_arithmetic {
}};
($op:ident, $from:ty, $to:ty, $stack:ident) => {{
- let [a, b] = $stack.values.pop_n_const::<2>()?;
- let a: $from = a.into();
- let b: $from = b.into();
-
- let a_casted: $to = a as $to;
- let b_casted: $to = b as $to;
+ let b = $stack.values.pop_t::<$from>()? as $to;
+ let a = $stack.values.pop_t::<$from>()? as $to;
- if b_casted == 0 {
+ if b == 0 {
return Err(Error::Trap(crate::Trap::DivisionByZero));
}
- let result = a_casted.$op(b_casted).ok_or_else(|| Error::Trap(crate::Trap::IntegerOverflow))?;
-
+ let result = a.$op(b).ok_or_else(|| Error::Trap(crate::Trap::IntegerOverflow))?;
// Cast back to original type if different
$stack.values.push((result as $from).into());
}};
diff --git a/crates/tinywasm/src/runtime/interpreter/mod.rs b/crates/tinywasm/src/runtime/interpreter/mod.rs
index db013a0..ad261db 100644
--- a/crates/tinywasm/src/runtime/interpreter/mod.rs
+++ b/crates/tinywasm/src/runtime/interpreter/mod.rs
@@ -1,7 +1,6 @@
use super::{InterpreterRuntime, Stack};
-use crate::log;
+use crate::{cold, log, unlikely};
use crate::{
- log::debug,
runtime::{BlockType, CallFrame, LabelArgs, LabelFrame},
Error, FuncContext, ModuleInstance, Result, Store, Trap,
};
@@ -23,6 +22,7 @@ use macros::*;
use traits::*;
impl InterpreterRuntime {
+ #[inline(always)] // a small 2-3% performance improvement in some cases
pub(crate) fn exec(&self, store: &mut Store, stack: &mut Stack) -> Result<()> {
// The current call frame, gets updated inside of exec_one
let mut cf = stack.call_stack.pop()?;
@@ -80,10 +80,10 @@ impl InterpreterRuntime {
}
}
- debug!("end of exec");
- debug!("stack: {:?}", stack.values);
- debug!("insts: {:?}", instrs);
- debug!("instr_ptr: {}", cf.instr_ptr);
+ log::debug!("end of exec");
+ log::debug!("stack: {:?}", stack.values);
+ log::debug!("insts: {:?}", instrs);
+ log::debug!("instr_ptr: {}", cf.instr_ptr);
Err(Error::FuncDidNotReturn)
}
}
@@ -115,7 +115,7 @@ macro_rules! break_to {
/// Run a single step of the interpreter
/// A seperate function is used so later, we can more easily implement
/// a step-by-step debugger (using generators once they're stable?)
-#[inline]
+#[inline(always)] // this improves performance by more than 20% in some cases
fn exec_one(
cf: &mut CallFrame,
instr: &Instruction,
@@ -124,12 +124,13 @@ fn exec_one(
store: &mut Store,
module: &ModuleInstance,
) -> Result<ExecResult> {
- debug!("ptr: {} instr: {:?}", cf.instr_ptr, instr);
-
use tinywasm_types::Instruction::*;
match instr {
Nop => { /* do nothing */ }
- Unreachable => return Ok(ExecResult::Trap(crate::Trap::Unreachable)), // we don't need to include the call frame here because it's already on the stack
+ Unreachable => {
+ cold();
+ return Ok(ExecResult::Trap(crate::Trap::Unreachable));
+ } // we don't need to include the call frame here because it's already on the stack
Drop => stack.values.pop().map(|_| ())?,
Select(
@@ -162,7 +163,7 @@ fn exec_one(
}
};
- let params = stack.values.pop_n_rev(ty.params.len())?;
+ let params = stack.values.pop_n_rev(ty.params.len())?.collect::<Vec<_>>();
let call_frame = CallFrame::new_raw(func_inst, &params, locals);
// push the call frame
@@ -191,15 +192,9 @@ fn exec_one(
let func_inst = store.get_func(func_ref as usize)?.clone();
let func_ty = func_inst.func.ty();
-
- log::info!("type_addr: {}", type_addr);
- log::info!("types: {:?}", module.func_tys());
let call_ty = module.func_ty(*type_addr);
- log::info!("call_indirect: current fn owner: {:?}", module.id());
- log::info!("call_indirect: func owner: {:?}", func_inst.owner);
-
- if func_ty != call_ty {
+ if unlikely(func_ty != call_ty) {
log::error!("indirect call type mismatch: {:?} != {:?}", func_ty, call_ty);
return Err(
Trap::IndirectCallTypeMismatch { actual: func_ty.clone(), expected: call_ty.clone() }.into()
@@ -217,7 +212,7 @@ fn exec_one(
}
};
- let params = stack.values.pop_n_rev(func_ty.params.len())?;
+ let params = stack.values.pop_n_rev(func_ty.params.len())?.collect::<Vec<_>>();
let call_frame = CallFrame::new_raw(func_inst, &params, locals);
// push the call frame
@@ -232,7 +227,6 @@ fn exec_one(
If(args, else_offset, end_offset) => {
// truthy value is on the top of the stack, so enter the then block
if stack.values.pop_t::<i32>()? != 0 {
- log::trace!("entering then");
cf.enter_label(
LabelFrame {
instr_ptr: cf.instr_ptr,
@@ -248,7 +242,6 @@ fn exec_one(
// falsy value is on the top of the stack
if let Some(else_offset) = else_offset {
- log::debug!("entering else at {}", cf.instr_ptr + *else_offset);
cf.enter_label(
LabelFrame {
instr_ptr: cf.instr_ptr + *else_offset,
@@ -266,7 +259,6 @@ fn exec_one(
}
Loop(args, end_offset) => {
- // let params = stack.values.pop_block_params(*args, &module)?;
cf.enter_label(
LabelFrame {
instr_ptr: cf.instr_ptr,
@@ -297,11 +289,14 @@ fn exec_one(
.iter()
.map(|i| match i {
BrLabel(l) => Ok(*l),
- _ => panic!("Expected BrLabel, this should have been validated by the parser"),
+ _ => {
+ cold();
+ panic!("Expected BrLabel, this should have been validated by the parser")
+ }
})
.collect::<Result<Vec<_>>>()?;
- if instr.len() != *len {
+ if unlikely(instr.len() != *len) {
panic!(
"Expected {} BrLabel instructions, got {}, this should have been validated by the parser",
len,
@@ -341,6 +336,7 @@ fn exec_one(
// We're essentially using else as a EndBlockFrame instruction for if blocks
Else(end_offset) => {
let Some(block) = cf.labels.pop() else {
+ cold();
panic!("else: no label to end, this should have been validated by the parser");
};
@@ -352,6 +348,7 @@ fn exec_one(
EndBlockFrame => {
// remove the label from the label stack
let Some(block) = cf.labels.pop() else {
+ cold();
panic!("end: no label to end, this should have been validated by the parser");
};
stack.values.truncate_keep(block.stack_ptr, block.args.results)
@@ -379,7 +376,8 @@ fn exec_one(
MemorySize(addr, byte) => {
if *byte != 0 {
- unimplemented!("memory.size with byte != 0");
+ cold();
+ return Err(Error::UnsupportedFeature("memory.size with byte != 0".to_string()));
}
let mem_idx = module.resolve_mem_addr(*addr);
@@ -389,6 +387,7 @@ fn exec_one(
MemoryGrow(addr, byte) => {
if *byte != 0 {
+ cold();
return Err(Error::UnsupportedFeature("memory.grow with byte != 0".to_string()));
}
@@ -633,6 +632,7 @@ fn exec_one(
I64TruncSatF64U => arithmetic_single!(trunc, f64, u64, stack),
i => {
+ cold();
log::error!("unimplemented instruction: {:?}", i);
return Err(Error::UnsupportedFeature(alloc::format!("unimplemented instruction: {:?}", i)));
}
diff --git a/crates/tinywasm/src/runtime/stack/call_stack.rs b/crates/tinywasm/src/runtime/stack/call_stack.rs
index 20de728..b19e332 100644
--- a/crates/tinywasm/src/runtime/stack/call_stack.rs
+++ b/crates/tinywasm/src/runtime/stack/call_stack.rs
@@ -78,7 +78,6 @@ impl CallFrame {
/// Break to a block at the given index (relative to the current frame)
/// Returns `None` if there is no block at the given index (e.g. if we need to return, this is handled by the caller)
- #[inline]
pub(crate) fn break_to(&mut self, break_to_relative: u32, value_stack: &mut super::ValueStack) -> Option<()> {
log::debug!("break_to_relative: {}", break_to_relative);
let break_to = self.labels.get_relative_to_top(break_to_relative as usize)?;
diff --git a/crates/tinywasm/src/runtime/stack/value_stack.rs b/crates/tinywasm/src/runtime/stack/value_stack.rs
index f8f0951..d36373b 100644
--- a/crates/tinywasm/src/runtime/stack/value_stack.rs
+++ b/crates/tinywasm/src/runtime/stack/value_stack.rs
@@ -1,6 +1,6 @@
use core::ops::Range;
-use crate::{runtime::RawWasmValue, Error, Result};
+use crate::{cold, runtime::RawWasmValue, unlikely, Error, Result};
use alloc::vec::Vec;
use tinywasm_types::{ValType, WasmValue};
@@ -10,19 +10,17 @@ pub(crate) const STACK_SIZE: usize = 1024;
#[derive(Debug)]
pub(crate) struct ValueStack {
stack: Vec<RawWasmValue>,
- top: usize,
}
impl Default for ValueStack {
fn default() -> Self {
- Self { stack: Vec::with_capacity(STACK_SIZE), top: 0 }
+ Self { stack: Vec::with_capacity(STACK_SIZE) }
}
}
impl ValueStack {
#[inline]
pub(crate) fn extend_from_within(&mut self, range: Range<usize>) {
- self.top += range.len();
self.stack.extend_from_within(range);
}
@@ -32,98 +30,95 @@ impl ValueStack {
return;
}
- self.top += values.len();
self.stack.extend(values.iter().map(|v| RawWasmValue::from(*v)));
}
#[inline]
pub(crate) fn len(&self) -> usize {
- assert!(self.top <= self.stack.len());
- self.top
+ self.stack.len()
}
pub(crate) fn truncate_keep(&mut self, n: usize, end_keep: usize) {
let total_to_keep = n + end_keep;
- assert!(self.top >= total_to_keep, "Total to keep should be less than or equal to self.top");
+ let len = self.stack.len();
+ assert!(len >= total_to_keep, "Total to keep should be less than or equal to self.top");
- let current_size = self.stack.len();
- if current_size <= total_to_keep {
+ if len <= total_to_keep {
return; // No need to truncate if the current size is already less than or equal to total_to_keep
}
- let items_to_remove = current_size - total_to_keep;
- let remove_start_index = self.top - items_to_remove - end_keep;
- let remove_end_index = self.top - end_keep;
-
+ let items_to_remove = len - total_to_keep;
+ let remove_start_index = len - items_to_remove - end_keep;
+ let remove_end_index = len - end_keep;
self.stack.drain(remove_start_index..remove_end_index);
- self.top = total_to_keep; // Update top to reflect the new size
}
#[inline]
pub(crate) fn push(&mut self, value: RawWasmValue) {
- self.top += 1;
self.stack.push(value);
}
#[inline]
pub(crate) fn last(&self) -> Result<&RawWasmValue> {
- self.stack.last().ok_or(Error::StackUnderflow)
+ match self.stack.last() {
+ Some(v) => Ok(v),
+ None => {
+ cold();
+ Err(Error::StackUnderflow)
+ }
+ }
}
#[inline]
pub(crate) fn pop_t<T: From<RawWasmValue>>(&mut self) -> Result<T> {
- self.top -= 1;
- Ok(self.stack.pop().ok_or(Error::StackUnderflow)?.into())
+ match self.stack.pop() {
+ Some(v) => Ok(v.into()),
+ None => {
+ cold();
+ Err(Error::StackUnderflow)
+ }
+ }
}
#[inline]
pub(crate) fn pop(&mut self) -> Result<RawWasmValue> {
- self.top -= 1;
- self.stack.pop().ok_or(Error::StackUnderflow)
+ match self.stack.pop() {
+ Some(v) => Ok(v),
+ None => {
+ cold();
+ Err(Error::StackUnderflow)
+ }
+ }
}
#[inline]
pub(crate) fn pop_params(&mut self, types: &[ValType]) -> Result<Vec<WasmValue>> {
- let res = self.pop_n_rev(types.len())?.iter().zip(types.iter()).map(|(v, ty)| v.attach_type(*ty)).collect();
+ let res = self.pop_n_rev(types.len())?.zip(types.iter()).map(|(v, ty)| v.attach_type(*ty)).collect();
Ok(res)
}
pub(crate) fn break_to(&mut self, new_stack_size: usize, result_count: usize) {
- assert!(self.top >= result_count);
- self.stack.copy_within((self.top - result_count)..self.top, new_stack_size);
- self.top = new_stack_size + result_count;
- self.stack.truncate(self.top);
+ let len = self.stack.len();
+ self.stack.copy_within((len - result_count)..len, new_stack_size);
+ self.stack.truncate(new_stack_size + result_count);
}
#[inline]
pub(crate) fn last_n(&self, n: usize) -> Result<&[RawWasmValue]> {
- if self.top < n {
- return Err(Error::StackUnderflow);
- }
- Ok(&self.stack[self.top - n..self.top])
- }
-
- #[inline]
- pub(crate) fn pop_n_rev(&mut self, n: usize) -> Result<Vec<RawWasmValue>> {
- if self.top < n {
+ let len = self.stack.len();
+ if unlikely(len < n) {
return Err(Error::StackUnderflow);
}
- self.top -= n;
- let res = self.stack.drain(self.top..).collect::<Vec<_>>();
- Ok(res)
+ Ok(&self.stack[len - n..len])
}
#[inline]
- pub(crate) fn pop_n_const<const N: usize>(&mut self) -> Result<[RawWasmValue; N]> {
- if self.top < N {
+ pub(crate) fn pop_n_rev(&mut self, n: usize) -> Result<alloc::vec::Drain<'_, RawWasmValue>> {
+ let len = self.stack.len();
+ if unlikely(len < n) {
return Err(Error::StackUnderflow);
}
- self.top -= N;
- let mut res = [RawWasmValue::default(); N];
- for i in res.iter_mut().rev() {
- *i = self.stack.pop().ok_or(Error::InvalidStore)?;
- }
-
+ let res = self.stack.drain((len - n)..);
Ok(res)
}
}
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-03 18:21:36 +0000