mirror of
https://github.com/fluencelabs/wasmer
synced 2025-06-29 16:41:33 +00:00
Update cranelift to 0.26.0. (#64)
* Initial additional modules * Update to cranelift 0.26.0 * Fixed formatting
This commit is contained in:
Lachlan Sneff
GitHub
69
Cargo.lock
generated
69
Cargo.lock
generated
@ -63,6 +63,11 @@ name = "byteorder"
|
||||
version = "1.2.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "cast"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "cc"
|
||||
version = "1.0.25"
|
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@ -132,18 +137,20 @@ dependencies = [
|
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|
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[[package]]
|
||||
name = "cranelift-bforest"
|
||||
version = "0.23.0"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cranelift-entity 0.23.0",
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-codegen"
|
||||
version = "0.23.0"
|
||||
version = "0.26.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cranelift-bforest 0.23.0",
|
||||
"cranelift-codegen-meta 0.23.0",
|
||||
"cranelift-entity 0.23.0",
|
||||
"cranelift-bforest 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-codegen-meta 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure_derive 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -152,44 +159,50 @@ dependencies = [
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|
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[[package]]
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name = "cranelift-codegen-meta"
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version = "0.23.0"
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version = "0.26.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
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"cranelift-entity 0.23.0",
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"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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|
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[[package]]
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name = "cranelift-entity"
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version = "0.23.0"
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version = "0.26.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "cranelift-frontend"
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version = "0.23.0"
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version = "0.26.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"cranelift-codegen 0.23.0",
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"cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"target-lexicon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "cranelift-native"
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version = "0.23.0"
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version = "0.26.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
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"cranelift-codegen 0.23.0",
|
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"cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"raw-cpuid 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"target-lexicon 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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|
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[[package]]
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name = "cranelift-wasm"
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version = "0.23.0"
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version = "0.26.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
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"cranelift-codegen 0.23.0",
|
||||
"cranelift-entity 0.23.0",
|
||||
"cranelift-frontend 0.23.0",
|
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"cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-frontend 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure_derive 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"wasmparser 0.21.10 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"wasmparser 0.22.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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|
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[[package]]
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@ -868,10 +881,10 @@ version = "0.1.3"
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||||
dependencies = [
|
||||
"byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"console 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-codegen 0.23.0",
|
||||
"cranelift-entity 0.23.0",
|
||||
"cranelift-native 0.23.0",
|
||||
"cranelift-wasm 0.23.0",
|
||||
"cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cranelift-native 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"cranelift-wasm 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"docopt 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"errno 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -898,7 +911,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "wasmparser"
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version = "0.21.10"
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version = "0.22.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -929,6 +942,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum backtrace-sys 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)" = "c66d56ac8dabd07f6aacdaf633f4b8262f5b3601a810a0dcddffd5c22c69daa0"
|
||||
"checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
|
||||
"checksum byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "94f88df23a25417badc922ab0f5716cc1330e87f71ddd9203b3a3ccd9cedf75d"
|
||||
"checksum cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "926013f2860c46252efceabb19f4a6b308197505082c609025aa6706c011d427"
|
||||
"checksum cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "f159dfd43363c4d08055a07703eb7a3406b0dac4d0584d96965a3262db3c9d16"
|
||||
"checksum cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0c4e7bb64a8ebb0d856483e1e682ea3422f883c5f5615a90d51a2c82fe87fdd3"
|
||||
"checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
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@ -936,6 +950,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
|
||||
"checksum cmake 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)" = "6ec65ee4f9c9d16f335091d23693457ed4928657ba4982289d7fafee03bc614a"
|
||||
"checksum console 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ba5561f4d4d89e0f246d4dd83846d96f617e886b96c7aee36e68791c98f89ce"
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"checksum cranelift-bforest 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "40f8ff24e9a6c89b8a846b14df9a34d2cac17cea7bdb5c81ed6b4744ee0e38bf"
|
||||
"checksum cranelift-codegen 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "42f5b809bd885c368e01aeec8fe04f21dcb07569834b907d75b4a7bed8d067eb"
|
||||
"checksum cranelift-codegen-meta 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "014c23ed3ebdc8377d41540af638245207dd169f421df042dfccc867465734ed"
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||||
"checksum cranelift-entity 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d4df40e26c0cf7b4d86919cb995bb412ee3001cc18e4f3c83a903f30b7007d8b"
|
||||
"checksum cranelift-frontend 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "789907218eeebebcea8122c2053d71affac91c96ce72cea35ebfdbbf547e82af"
|
||||
"checksum cranelift-native 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "474bee81d620a473bf43411a3d6f10ffbf7965141dc5e5b76d8d2151dde3285d"
|
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"checksum cranelift-wasm 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49723365dab9a48b354bdc24cb6d9d5719bc1d3b858ffd2ea179d0d7d885804a"
|
||||
"checksum crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f739f8c5363aca78cfb059edf753d8f0d36908c348f3d8d1503f03d8b75d9cf3"
|
||||
"checksum crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "927121f5407de9956180ff5e936fe3cf4324279280001cd56b669d28ee7e9150"
|
||||
"checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
|
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@ -1020,7 +1041,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
"checksum wabt 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8ff1f0f87e467255240c1faf5cf13a04410723407840d7733e75967224e191a5"
|
||||
"checksum wabt-sys 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0cc8982bfe0a923f152e96d991e50a6f97fe73ca4af6d9d84d76634f03051fa2"
|
||||
"checksum wasmparser 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2a75e0c3fe9a4d4fd91901348a5be05ba4791e29dda89e8596bfe87900ba7edc"
|
||||
"checksum wasmparser 0.21.10 (registry+https://github.com/rust-lang/crates.io-index)" = "48b8ebfeb364ff50e0ff043f491c270f58a7563aa3dc97402a0e813bfeb6df6f"
|
||||
"checksum wasmparser 0.22.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f46e666ecb4a406483a59a49f9d0c17f327e70da53a128eccddae2eadb95865c"
|
||||
"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
|
||||
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
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|
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16
Cargo.toml
16
Cargo.toml
@ -20,14 +20,14 @@ include = [
|
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]
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|
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[dependencies]
|
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# cranelift-native = "0.23.0"
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cranelift-native = { path = "cranelift/lib/native" }
|
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# cranelift-codegen = "0.23.0"
|
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cranelift-codegen = { path = "cranelift/lib/codegen" }
|
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# cranelift-entity = "0.23.0"
|
||||
cranelift-entity = { path = "cranelift/lib/entity" }
|
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# cranelift-wasm = "0.23.0"
|
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cranelift-wasm = { path = "cranelift/lib/wasm" }
|
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cranelift-native = "0.26.0"
|
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# cranelift-native = { path = "cranelift/lib/native" }
|
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cranelift-codegen = "0.26.0"
|
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# cranelift-codegen = { path = "cranelift/lib/codegen" }
|
||||
cranelift-entity = "0.26.0"
|
||||
# cranelift-entity = { path = "cranelift/lib/entity" }
|
||||
cranelift-wasm = "0.26.0"
|
||||
# cranelift-wasm = { path = "cranelift/lib/wasm" }
|
||||
docopt = "1.0.0"
|
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serde = "1.0.55"
|
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serde_derive = "1.0.55"
|
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|
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@ -383,8 +383,8 @@ impl Instance {
|
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GlobalInit::I64Const(n) => n,
|
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GlobalInit::F32Const(f) => f as _, // unsafe { mem::transmute(f as f64) },
|
||||
GlobalInit::F64Const(f) => f as _, // unsafe { mem::transmute(f) },
|
||||
GlobalInit::GlobalRef(global_index) => globals_data[global_index.index()],
|
||||
GlobalInit::Import() => {
|
||||
GlobalInit::GetGlobal(global_index) => globals_data[global_index.index()],
|
||||
GlobalInit::Import => {
|
||||
let (module_name, field_name) = import_name
|
||||
.as_ref()
|
||||
.expect("Expected a import name for the global import");
|
||||
@ -438,7 +438,7 @@ impl Instance {
|
||||
"The Imported table {}.{} is not provided, therefore will be mocked.",
|
||||
module_name, field_name
|
||||
);
|
||||
let len = table.entity.size;
|
||||
let len = table.entity.minimum as usize;
|
||||
let mut v = Vec::with_capacity(len);
|
||||
v.resize(len, 0);
|
||||
v
|
||||
@ -456,7 +456,7 @@ impl Instance {
|
||||
}
|
||||
}
|
||||
None => {
|
||||
let len = table.entity.size;
|
||||
let len = table.entity.minimum as usize;
|
||||
let mut v = Vec::with_capacity(len);
|
||||
v.resize(len, 0);
|
||||
v
|
||||
@ -498,15 +498,15 @@ impl Instance {
|
||||
// If we use emscripten, we set a fixed initial and maximum
|
||||
debug!(
|
||||
"Instance - init memory ({}, {:?})",
|
||||
memory.pages_count, memory.maximum
|
||||
memory.minimum, memory.maximum
|
||||
);
|
||||
let memory = if options.abi == InstanceABI::Emscripten {
|
||||
// We use MAX_PAGES, so at the end the result is:
|
||||
// (initial * LinearMemory::PAGE_SIZE) == LinearMemory::DEFAULT_HEAP_SIZE
|
||||
// However, it should be: (initial * LinearMemory::PAGE_SIZE) == 16777216
|
||||
LinearMemory::new(LinearMemory::MAX_PAGES as u32, None)
|
||||
LinearMemory::new(LinearMemory::MAX_PAGES, None)
|
||||
} else {
|
||||
LinearMemory::new(memory.pages_count as u32, memory.maximum.map(|m| m as u32))
|
||||
LinearMemory::new(memory.minimum, memory.maximum.map(|m| m as u32))
|
||||
};
|
||||
memories.push(memory);
|
||||
}
|
||||
|
||||
@ -6,6 +6,8 @@ pub mod memory;
|
||||
pub mod module;
|
||||
pub mod relocation;
|
||||
pub mod utils;
|
||||
pub mod vmcontext;
|
||||
pub mod vmoffsets;
|
||||
|
||||
use cranelift_codegen::{
|
||||
isa,
|
||||
@ -132,7 +134,7 @@ pub fn validate_or_error(bytes: &[u8]) -> Result<(), ErrorKind> {
|
||||
return Err(ErrorKind::CompileError(format!(
|
||||
"Validation error: {}",
|
||||
err.message
|
||||
)))
|
||||
)));
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
|
||||
@ -6,7 +6,7 @@ use std::string::String;
|
||||
use std::vec::Vec;
|
||||
|
||||
use cranelift_codegen::cursor::FuncCursor;
|
||||
use cranelift_codegen::ir::immediates::{Imm64, Offset32};
|
||||
use cranelift_codegen::ir::immediates::{Imm64, Offset32, Uimm64};
|
||||
use cranelift_codegen::ir::types::*;
|
||||
use cranelift_codegen::ir::{
|
||||
self, AbiParam, ArgumentPurpose, ExtFuncData, ExternalName, FuncRef, InstBuilder, Signature,
|
||||
@ -392,9 +392,9 @@ impl<'environment> FuncEnvironmentTrait for FuncEnvironment<'environment> {
|
||||
// Create table based on the data above
|
||||
func.create_table(ir::TableData {
|
||||
base_gv,
|
||||
min_size: Imm64::new(0),
|
||||
min_size: Uimm64::new(0),
|
||||
bound_gv,
|
||||
element_size: Imm64::new(i64::from(self.pointer_bytes())),
|
||||
element_size: Uimm64::new(u64::from(self.pointer_bytes())),
|
||||
index_type: I64,
|
||||
})
|
||||
}
|
||||
@ -434,9 +434,9 @@ impl<'environment> FuncEnvironmentTrait for FuncEnvironment<'environment> {
|
||||
func.create_heap(ir::HeapData {
|
||||
base: heap_base,
|
||||
min_size: 0.into(),
|
||||
guard_size: (LinearMemory::DEFAULT_GUARD_SIZE as i64).into(),
|
||||
offset_guard_size: Uimm64::new(LinearMemory::DEFAULT_GUARD_SIZE as u64),
|
||||
style: ir::HeapStyle::Static {
|
||||
bound: (LinearMemory::DEFAULT_HEAP_SIZE as i64).into(),
|
||||
bound: Uimm64::new(LinearMemory::DEFAULT_HEAP_SIZE as u64),
|
||||
},
|
||||
index_type: I32,
|
||||
})
|
||||
@ -458,15 +458,16 @@ impl<'environment> FuncEnvironmentTrait for FuncEnvironment<'environment> {
|
||||
readonly: false,
|
||||
});
|
||||
|
||||
let offset = global_index.index() as i64 * ptr_size as i64;
|
||||
let iadd = func.create_global_value(ir::GlobalValueData::IAddImm {
|
||||
base: globals_base_addr,
|
||||
offset: Imm64::new(offset),
|
||||
global_type: native_pointer_type(),
|
||||
});
|
||||
let offset = global_index.index() * ptr_size as usize;
|
||||
// let iadd = func.create_global_value(ir::GlobalValueData::IAddImm {
|
||||
// base: globals_base_addr,
|
||||
// offset: Imm64::new(offset),
|
||||
// global_type: native_pointer_type(),
|
||||
// });
|
||||
|
||||
GlobalVariable::Memory {
|
||||
gv: iadd,
|
||||
gv: globals_base_addr,
|
||||
offset: (offset as i32).into(),
|
||||
ty: self.mod_info.globals[global_index.index()].entity.ty,
|
||||
}
|
||||
}
|
||||
@ -664,12 +665,8 @@ impl<'environment> FuncEnvironmentTrait for FuncEnvironment<'environment> {
|
||||
}
|
||||
|
||||
impl<'data> ModuleEnvironment<'data> for Module {
|
||||
fn target_config(&self) -> &TargetFrontendConfig {
|
||||
&self.info.config
|
||||
}
|
||||
|
||||
fn get_func_name(&self, func_index: FuncIndex) -> ir::ExternalName {
|
||||
get_func_name(func_index)
|
||||
fn target_config(&self) -> TargetFrontendConfig {
|
||||
self.info.config
|
||||
}
|
||||
|
||||
fn declare_signature(&mut self, sig: &ir::Signature) {
|
||||
|
||||
151
src/webassembly/vmcontext.rs
Normal file
151
src/webassembly/vmcontext.rs
Normal file
@ -0,0 +1,151 @@
|
||||
use crate::webassembly::vmoffsets::VMOffsets;
|
||||
use cranelift_wasm::{
|
||||
DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex, DefinedTableIndex, FuncIndex,
|
||||
GlobalIndex, MemoryIndex, SignatureIndex, TableIndex,
|
||||
};
|
||||
|
||||
#[repr(C)]
|
||||
pub struct VMContext {
|
||||
/// A pointer to an array of imported functions, indexed by `FuncIndex`.
|
||||
imported_functions: *const *const VMFunctionBody,
|
||||
|
||||
/// A pointer to an array of imported tables, indexed by `TableIndex`.
|
||||
imported_tables: *mut VMTableImport,
|
||||
|
||||
/// A pointer to an array of imported memories, indexed by `MemoryIndex,
|
||||
imported_memories: *mut VMMemoryImport,
|
||||
|
||||
/// A pointer to an array of imported globals, indexed by `GlobalIndex`.
|
||||
imported_globals: *mut VMGlobalImport,
|
||||
|
||||
/// A pointer to an array of locally-defined tables, indexed by `DefinedTableIndex`.
|
||||
tables: *mut VMTableDefinition,
|
||||
|
||||
/// A pointer to an array of locally-defined memories, indexed by `DefinedMemoryIndex`.
|
||||
memories: *mut VMMemoryDefinition,
|
||||
|
||||
/// A pointer to an array of locally-defined globals, indexed by ``DefinedGlobalIndex`.
|
||||
globals: *mut VMGlobalDefinition,
|
||||
|
||||
/// Signature identifiers for signature-checked indirect calls.
|
||||
signature_ids: *mut VMSharedSigIndex,
|
||||
}
|
||||
|
||||
/// Used to provide type safety for passing around function pointers.
|
||||
/// The typesystem ensures this cannot be dereferenced.
|
||||
pub enum VMFunctionBody {}
|
||||
|
||||
/// Definition of a table used by the VM. (obviously)
|
||||
#[repr(C)]
|
||||
pub struct VMTableDefinition {
|
||||
/// pointer to the elements in the table.
|
||||
pub base: *mut u8,
|
||||
/// Number of elements in the table (NOT necessarily the size of the table in bytes!).
|
||||
pub current_elements: usize,
|
||||
}
|
||||
|
||||
impl VMTableDefinition {
|
||||
pub fn offset_base(offsets: &VMOffsets) -> u8 {
|
||||
0 * offsets.ptr_size
|
||||
}
|
||||
|
||||
pub fn offset_current_elements(offsets: &VMOffsets) -> u8 {
|
||||
1 * offsets.ptr_size
|
||||
}
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
pub struct VMTableImport {
|
||||
/// A pointer to the table definition.
|
||||
pub table: *mut VMTableDefinition,
|
||||
/// A pointer to the vmcontext that owns this table definition.
|
||||
pub vmctx: *mut VMContext,
|
||||
}
|
||||
|
||||
impl VMTableImport {
|
||||
pub fn offset_table(offsets: &VMOffsets) -> u8 {
|
||||
0 * offsets.ptr_size
|
||||
}
|
||||
|
||||
pub fn offset_vmctx(offsets: &VMOffsets) -> u8 {
|
||||
1 * offsets.ptr_size
|
||||
}
|
||||
}
|
||||
|
||||
/// Definition of a memory used by the VM.
|
||||
#[repr(C)]
|
||||
pub struct VMMemoryDefinition {
|
||||
/// Pointer to the bottom of linear memory.
|
||||
pub base: *mut u8,
|
||||
/// Current logical size of this linear memory in bytes.
|
||||
pub size: usize,
|
||||
}
|
||||
|
||||
impl VMMemoryDefinition {
|
||||
pub fn offset_base(offsets: &VMOffsets) -> u8 {
|
||||
0 * offsets.ptr_size
|
||||
}
|
||||
|
||||
pub fn offset_size(offsets: &VMOffsets) -> u8 {
|
||||
1 * offsets.ptr_size
|
||||
}
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
pub struct VMMemoryImport {
|
||||
/// A pointer to the memory definition.
|
||||
pub memory: *mut VMMemoryDefinition,
|
||||
/// A pointer to the vmcontext that owns this memory definition.
|
||||
pub vmctx: *mut VMContext,
|
||||
}
|
||||
|
||||
impl VMMemoryImport {
|
||||
pub fn offset_memory(offsets: &VMOffsets) -> u8 {
|
||||
0 * offsets.ptr_size
|
||||
}
|
||||
|
||||
pub fn offset_vmctx(offsets: &VMOffsets) -> u8 {
|
||||
1 * offsets.ptr_size
|
||||
}
|
||||
}
|
||||
|
||||
/// Definition of a global used by the VM.
|
||||
#[repr(C, align(8))]
|
||||
pub struct VMGlobalDefinition {
|
||||
pub data: [u8; 8],
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
pub struct VMGlobalImport {
|
||||
pub globals: *mut VMGlobalDefinition,
|
||||
}
|
||||
|
||||
impl VMGlobalImport {
|
||||
pub fn offset_globals(offsets: &VMOffsets) -> u8 {
|
||||
0 * offsets.ptr_size
|
||||
}
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
pub struct VMSharedSigIndex(u32);
|
||||
|
||||
#[repr(C)]
|
||||
pub struct VMCallerCheckedAnyfunc {
|
||||
pub func: *const VMFunctionBody,
|
||||
pub type_index: VMSharedSigIndex,
|
||||
pub vmctx: *mut VMContext,
|
||||
}
|
||||
|
||||
impl VMCallerCheckedAnyfunc {
|
||||
pub fn offset_func(offsets: &VMOffsets) -> u8 {
|
||||
0 * offsets.ptr_size
|
||||
}
|
||||
|
||||
pub fn offset_type_index(offsets: &VMOffsets) -> u8 {
|
||||
1 * offsets.ptr_size
|
||||
}
|
||||
|
||||
pub fn offset_vmctx(offsets: &VMOffsets) -> u8 {
|
||||
2 * offsets.ptr_size
|
||||
}
|
||||
}
|
||||
9
src/webassembly/vmoffsets.rs
Normal file
9
src/webassembly/vmoffsets.rs
Normal file
@ -0,0 +1,9 @@
|
||||
pub struct VMOffsets {
|
||||
pub(in crate::webassembly) ptr_size: u8,
|
||||
}
|
||||
|
||||
impl VMOffsets {
|
||||
pub fn new(ptr_size: u8) -> Self {
|
||||
Self { ptr_size }
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user