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update for wasmtime <=18.0 #12

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4 changes: 2 additions & 2 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ semver = { version = "1.0.20", default-features = false }
serde = { version = "1.0.193", optional = true, default-features = false, features = [ "derive", "rc" ] }
slab = { version = "0.4.9", default-features = false }
wasm_runtime_layer = { version = ">=0.2.0", default-features = false }
wasmtime-environ = { version = ">=18.0.1", features = [ "component-model" ] }
wasmtime-environ = { version = "<=18.0", features = [ "component-model" ] }
wit-component = { version = ">=0.19.0", default-features = false }
wit-parser = { version = ">=0.13.0", default-features = false }

Expand All @@ -28,4 +28,4 @@ serde = [ "dep:serde", "semver/serde" ]

[dev-dependencies]
wasmi = "0.31.1"
wasm_runtime_layer = { version = "0.2.0", features = [ "backend_wasmi" ] }
wasm_runtime_layer = { version = "0.2.0", features = [ "backend_wasmi" ] }
78 changes: 57 additions & 21 deletions src/abi.rs
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Expand Up @@ -11,10 +11,41 @@ fn join(a: WasmType, b: WasmType) -> WasmType {
use WasmType::*;

match (a, b) {
(I32, I32) | (I64, I64) | (F32, F32) | (F64, F64) => a,
(I32, I32)
| (I64, I64)
| (F32, F32)
| (F64, F64)
| (Pointer, Pointer)
| (PointerOrI64, PointerOrI64)
| (Length, Length) => a,

(I32, F32) | (F32, I32) => I32,

// A length is at least an `i32`, maybe more, so it wins over
// 32-bit types.
(Length, I32 | F32) => Length,
(I32 | F32, Length) => Length,

// A length might be an `i64`, but might not be, so if we have
// 64-bit types, they win.
(Length, I64 | F64) => I64,
(I64 | F64, Length) => I64,

// Pointers have provenance and are at least an `i32`, so they
// win over 32-bit and length types.
(Pointer, I32 | F32 | Length) => Pointer,
(I32 | F32 | Length, Pointer) => Pointer,

// If we need 64 bits and provenance, we need to use the special
// `PointerOrI64`.
(Pointer, I64 | F64) => PointerOrI64,
(I64 | F64, Pointer) => PointerOrI64,

// PointerOrI64 wins over everything.
(PointerOrI64, _) => PointerOrI64,
(_, PointerOrI64) => PointerOrI64,

// Otherwise, `i64` wins.
(_, I64 | F64) | (I64 | F64, _) => I64,
}
}
Expand Down Expand Up @@ -782,8 +813,8 @@ impl<'a, B: Bindgen> Generator<'a, B> {
Type::S64 => self.emit(&I64FromS64),
Type::U64 => self.emit(&I64FromU64),
Type::Char => self.emit(&I32FromChar),
Type::Float32 => self.emit(&F32FromFloat32),
Type::Float64 => self.emit(&F64FromFloat64),
Type::F32 => self.emit(&F32FromFloat32),
Type::F64 => self.emit(&F64FromFloat64),
Type::String => {
let realloc = self.list_realloc();
self.emit(&StringLower { realloc })
Expand Down Expand Up @@ -958,8 +989,8 @@ impl<'a, B: Bindgen> Generator<'a, B> {
Type::S64 => self.emit(&S64FromI64),
Type::U64 => self.emit(&U64FromI64),
Type::Char => self.emit(&CharFromI32),
Type::Float32 => self.emit(&Float32FromF32),
Type::Float64 => self.emit(&Float64FromF64),
Type::F32 => self.emit(&Float32FromF32),
Type::F64 => self.emit(&Float64FromF64),
Type::String => self.emit(&StringLift),
Type::Id(id) => match &self.resolve.types[id].kind {
TypeDefKind::Type(t) => self.lift(t),
Expand Down Expand Up @@ -1153,8 +1184,8 @@ impl<'a, B: Bindgen> Generator<'a, B> {
self.lower_and_emit(ty, addr, &I32Store { offset })
}
Type::U64 | Type::S64 => self.lower_and_emit(ty, addr, &I64Store { offset }),
Type::Float32 => self.lower_and_emit(ty, addr, &F32Store { offset }),
Type::Float64 => self.lower_and_emit(ty, addr, &F64Store { offset }),
Type::F32 => self.lower_and_emit(ty, addr, &F32Store { offset }),
Type::F64 => self.lower_and_emit(ty, addr, &F64Store { offset }),
Type::String => self.write_list_to_memory(ty, addr, offset),

Type::Id(id) => match &self.resolve.types[id].kind {
Expand Down Expand Up @@ -1340,8 +1371,8 @@ impl<'a, B: Bindgen> Generator<'a, B> {
Type::S16 => self.emit_and_lift(ty, addr, &I32Load16S { offset }),
Type::U32 | Type::S32 | Type::Char => self.emit_and_lift(ty, addr, &I32Load { offset }),
Type::U64 | Type::S64 => self.emit_and_lift(ty, addr, &I64Load { offset }),
Type::Float32 => self.emit_and_lift(ty, addr, &F32Load { offset }),
Type::Float64 => self.emit_and_lift(ty, addr, &F64Load { offset }),
Type::F32 => self.emit_and_lift(ty, addr, &F32Load { offset }),
Type::F64 => self.emit_and_lift(ty, addr, &F64Load { offset }),
Type::String => self.read_list_from_memory(ty, addr, offset),

Type::Id(id) => match &self.resolve.types[id].kind {
Expand Down Expand Up @@ -1555,20 +1586,25 @@ fn cast(from: WasmType, to: WasmType) -> Bitcast {
use WasmType::*;

match (from, to) {
(I32, I32) | (I64, I64) | (F32, F32) | (F64, F64) => Bitcast::None,
(I32 | Pointer | Length, I32 | Pointer | Length)
| (I64 | PointerOrI64, I64 | PointerOrI64)
| (F32, F32)
| (F64, F64) => Bitcast::None,

(I32, I64) => Bitcast::I32ToI64,
(F32, I32) => Bitcast::F32ToI32,
(F64, I64) => Bitcast::F64ToI64,
(I32 | Pointer | Length, I64 | PointerOrI64) => Bitcast::I32ToI64,
(F32, I32 | Pointer | Length) => Bitcast::F32ToI32,
(F64, I64 | PointerOrI64) => Bitcast::F64ToI64,

(I64, I32) => Bitcast::I64ToI32,
(I32, F32) => Bitcast::I32ToF32,
(I64, F64) => Bitcast::I64ToF64,
(I64 | PointerOrI64, I32 | Pointer | Length) => Bitcast::I64ToI32,
(I32 | Pointer | Length, F32) => Bitcast::I32ToF32,
(I64 | PointerOrI64, F64) => Bitcast::I64ToF64,

(F32, I64) => Bitcast::F32ToI64,
(I64, F32) => Bitcast::I64ToF32,
(F32, I64 | PointerOrI64) => Bitcast::F32ToI64,
(I64 | PointerOrI64, F32) => Bitcast::I64ToF32,

(F32, F64) | (F64, F32) | (F64, I32) | (I32, F64) => unreachable!(),
(F32, F64) | (F64, F32) | (F64, I32 | Pointer | Length) | (I32 | Pointer | Length, F64) => {
unreachable!()
}
}
}

Expand All @@ -1585,8 +1621,8 @@ fn push_wasm(resolve: &Resolve, variant: AbiVariant, ty: &Type, result: &mut Vec
| Type::Char => result.push(WasmType::I32),

Type::U64 | Type::S64 => result.push(WasmType::I64),
Type::Float32 => result.push(WasmType::F32),
Type::Float64 => result.push(WasmType::F64),
Type::F32 => result.push(WasmType::F32),
Type::F64 => result.push(WasmType::F64),
Type::String => {
result.push(WasmType::I32);
result.push(WasmType::I32);
Expand Down
18 changes: 10 additions & 8 deletions src/func.rs
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Expand Up @@ -425,8 +425,10 @@ impl<'a, C: AsContextMut> Bindgen for FuncBindgen<'a, C> {
Instruction::ConstZero { tys } => {
for t in tys.iter() {
match t {
WasmType::I32 => results.push(Value::S32(0)),
WasmType::I64 => results.push(Value::S64(0)),
WasmType::I32 | WasmType::Pointer | WasmType::Length => {
results.push(Value::S32(0))
}
WasmType::I64 | WasmType::PointerOrI64 => results.push(Value::S64(0)),
WasmType::F32 => results.push(Value::F32(0.0)),
WasmType::F64 => results.push(Value::F64(0.0)),
}
Expand Down Expand Up @@ -712,8 +714,8 @@ impl<'a, C: AsContextMut> Bindgen for FuncBindgen<'a, C> {
Type::S16 => self.store_array(ptr as usize, list.typed::<i16>()?)?,
Type::S32 => self.store_array(ptr as usize, list.typed::<i32>()?)?,
Type::S64 => self.store_array(ptr as usize, list.typed::<i64>()?)?,
Type::Float32 => self.store_array(ptr as usize, list.typed::<f32>()?)?,
Type::Float64 => self.store_array(ptr as usize, list.typed::<f64>()?)?,
Type::F32 => self.store_array(ptr as usize, list.typed::<f32>()?)?,
Type::F64 => self.store_array(ptr as usize, list.typed::<f64>()?)?,
_ => unreachable!(),
}

Expand Down Expand Up @@ -796,8 +798,8 @@ impl<'a, C: AsContextMut> Bindgen for FuncBindgen<'a, C> {
Type::S16 => self.load_array::<i16>(ptr as usize, len as usize)?.into(),
Type::S32 => self.load_array::<i32>(ptr as usize, len as usize)?.into(),
Type::S64 => self.load_array::<i64>(ptr as usize, len as usize)?.into(),
Type::Float32 => self.load_array::<f32>(ptr as usize, len as usize)?.into(),
Type::Float64 => self.load_array::<f64>(ptr as usize, len as usize)?.into(),
Type::F32 => self.load_array::<f32>(ptr as usize, len as usize)?.into(),
Type::F64 => self.load_array::<f64>(ptr as usize, len as usize)?.into(),
_ => unreachable!(),
}));
}
Expand Down Expand Up @@ -1188,8 +1190,8 @@ impl<'a, C: AsContextMut> Bindgen for FuncBindgen<'a, C> {
Type::S16 => LITTLE_ENDIAN,
Type::S32 => LITTLE_ENDIAN,
Type::S64 => LITTLE_ENDIAN,
Type::Float32 => LITTLE_ENDIAN,
Type::Float64 => LITTLE_ENDIAN,
Type::F32 => LITTLE_ENDIAN,
Type::F64 => LITTLE_ENDIAN,
Type::Char => false,
Type::String => false,
Type::Id(_) => false,
Expand Down
4 changes: 2 additions & 2 deletions src/types.rs
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Expand Up @@ -201,8 +201,8 @@ impl ValueType {
wit_parser::Type::S16 => Self::S16,
wit_parser::Type::S32 => Self::S32,
wit_parser::Type::S64 => Self::S64,
wit_parser::Type::Float32 => Self::F32,
wit_parser::Type::Float64 => Self::F64,
wit_parser::Type::F32 => Self::F32,
wit_parser::Type::F64 => Self::F64,
wit_parser::Type::Char => Self::Char,
wit_parser::Type::String => Self::String,
wit_parser::Type::Id(x) => Self::from_component_typedef(*x, component, resource_map)?,
Expand Down