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Merge remote-tracking branch 'origin/main' into pch/factor_borrowchecker_out_of_wiggle

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This commit is contained in:
Pat Hickey
2020-06-30 11:25:23 -07:00
parent 5f5d7cb0f7 0acd2072c2
commit d5836e2c12
31 changed files with 236 additions and 74 deletions
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2
.github/workflows/main.yml vendored
View File

@@ -49,6 +49,8 @@ jobs:
doc_api:
name: Doc - build the API documentation
runs-on: ubuntu-latest
env:
RUSTDOCFLAGS: -Dintra-doc-link-resolution-failure
steps:
- uses: actions/checkout@v2
with:

36
Cargo.lock generated
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@@ -595,7 +595,7 @@ dependencies = [
"serde",
"target-lexicon",
"thiserror",
"wasmparser 0.57.0",
"wasmparser 0.58.0",
"wat",
]
@@ -1123,7 +1123,7 @@ dependencies = [
"staticvec",
"thiserror",
"typemap",
"wasmparser 0.57.0",
"wasmparser 0.58.0",
"wat",
]
@@ -1338,6 +1338,7 @@ dependencies = [
"peepmatic-automata",
"peepmatic-macro",
"serde",
"serde_test",
"thiserror",
"wast 15.0.0",
]
@@ -1881,6 +1882,15 @@ dependencies = [
"serde",
]
[[package]]
name = "serde_test"
version = "1.0.114"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f58190d074af17bd48118303db08afadbd506bc2ba511b4582cebd8f882a9b8d"
dependencies = [
"serde",
]
[[package]]
name = "sha2"
version = "0.8.2"
@@ -2299,9 +2309,9 @@ checksum = "af931e2e1960c53f4a28b063fec4cacd036f35acbec8ff3a4739125b17382a87"
[[package]]
name = "wasmparser"
version = "0.57.0"
version = "0.58.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32fddd575d477c6e9702484139cf9f23dcd554b06d185ed0f56c857dd3a47aa6"
checksum = "721a8d79483738d7aef6397edcf8f04cd862640b1ad5973adf5bb50fc10e86db"
[[package]]
name = "wasmprinter"
@@ -2327,7 +2337,7 @@ dependencies = [
"rustc-demangle",
"target-lexicon",
"tempfile",
"wasmparser 0.57.0",
"wasmparser 0.58.0",
"wasmtime-environ",
"wasmtime-jit",
"wasmtime-profiling",
@@ -2400,7 +2410,7 @@ dependencies = [
"object 0.19.0",
"target-lexicon",
"thiserror",
"wasmparser 0.57.0",
"wasmparser 0.58.0",
"wasmtime-environ",
]
@@ -2431,7 +2441,7 @@ dependencies = [
"tempfile",
"thiserror",
"toml",
"wasmparser 0.57.0",
"wasmparser 0.58.0",
"winapi",
"zstd",
]
@@ -2460,7 +2470,7 @@ dependencies = [
"env_logger",
"log",
"rayon",
"wasmparser 0.57.0",
"wasmparser 0.58.0",
"wasmprinter",
"wasmtime",
"wasmtime-wast",
@@ -2484,7 +2494,7 @@ dependencies = [
"region",
"target-lexicon",
"thiserror",
"wasmparser 0.57.0",
"wasmparser 0.58.0",
"wasmtime-debug",
"wasmtime-environ",
"wasmtime-profiling",
@@ -2770,9 +2780,9 @@ dependencies = [
[[package]]
name = "z3"
version = "0.5.1"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ded00cd90f8e3a7ea3155bddd72573f2b099ea201877542d924e47b58dd04e72"
checksum = "f0354c65dfe00e08c4ab30581732906874f97156f424bfb390cf0cca2cb6ac29"
dependencies = [
"lazy_static",
"log",
@@ -2781,9 +2791,9 @@ dependencies = [
[[package]]
name = "z3-sys"
version = "0.6.1"
version = "0.6.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4002d8a1facb54d02dbfb86151281e5450618ab330936bc2f3acaab31eae11ae"
checksum = "e1863cafae8eb86dd7d69c9218421b288594e8836346e93d4f36ade427195a21"
dependencies = [
"cmake",
]

5
build.rs
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@@ -205,11 +205,6 @@ fn ignore(testsuite: &str, testname: &str, strategy: &str) -> bool {
("simd", "simd_i16x8_arith2") => return true,
("simd", "simd_i8x16_arith2") => return true,
// waiting for the upstream spec to get updated with new binary
// encodings of operations and for that to propagate to the
// testsuite repo.
("simd", "simd_const") => return true,
("reference_types", "table_copy_on_imported_tables")
| ("reference_types", "externref_id_function")
| ("reference_types", "table_size")

2
cranelift/codegen/src/ir/extfunc.rs
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@@ -383,7 +383,7 @@ pub struct ExtFuncData {
/// flag is best used when the target is known to be in the same unit of code generation, such
/// as a Wasm module.
///
/// See the documentation for [`RelocDistance`](machinst::RelocDistance) for more details. A
/// See the documentation for [`RelocDistance`](crate::machinst::RelocDistance) for more details. A
/// `colocated` flag value of `true` implies `RelocDistance::Near`.
pub colocated: bool,
}

2
cranelift/codegen/src/ir/globalvalue.rs
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@@ -66,7 +66,7 @@ pub enum GlobalValueData {
///
/// If `true`, some backends may use relocation forms that have limited range: for example,
/// a +/- 2^27-byte range on AArch64. See the documentation for
/// [`RelocDistance`](machinst::RelocDistance) for more details.
/// [`RelocDistance`](crate::machinst::RelocDistance) for more details.
colocated: bool,
/// Does this symbol refer to a thread local storage value?

6
cranelift/codegen/src/isa/aarch64/abi.rs
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@@ -86,9 +86,9 @@
//! formal arguments, would:
//! - Accept a pointer P to the struct return area in x0 on entry.
//! - Return v3 in x0.
//! - Return v2 in memory at [P].
//! - Return v1 in memory at [P+8].
//! - Return v0 in memory at [P+16].
//! - Return v2 in memory at `[P]`.
//! - Return v1 in memory at `[P+8]`.
//! - Return v0 in memory at `[P+16]`.
use crate::ir;
use crate::ir::types;

16
cranelift/codegen/src/machinst/buffer.rs
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@@ -12,13 +12,13 @@
//! from the branch itself.
//!
//! - The lowering of control flow from the CFG-with-edges produced by
//! [BlockLoweringOrder], combined with many empty edge blocks when the register
//! allocator does not need to insert any spills/reloads/moves in edge blocks,
//! results in many suboptimal branch patterns. The lowering also pays no
//! attention to block order, and so two-target conditional forms (cond-br
//! followed by uncond-br) can often by avoided because one of the targets is
//! the fallthrough. There are several cases here where we can simplify to use
//! fewer branches.
//! [BlockLoweringOrder](super::BlockLoweringOrder), combined with many empty
//! edge blocks when the register allocator does not need to insert any
//! spills/reloads/moves in edge blocks, results in many suboptimal branch
//! patterns. The lowering also pays no attention to block order, and so
//! two-target conditional forms (cond-br followed by uncond-br) can often by
//! avoided because one of the targets is the fallthrough. There are several
//! cases here where we can simplify to use fewer branches.
//!
//! This "buffer" implements a single-pass code emission strategy (with a later
//! "fixup" pass, but only through recorded fixups, not all instructions). The
@@ -41,7 +41,7 @@
//! by the emitter (e.g., vcode iterating over instruction structs). The emitter
//! has some awareness of this: it either asks for an island between blocks, so
//! it is not accidentally executed, or else it emits a branch around the island
//! when all other options fail (see [Inst::EmitIsland] meta-instruction).
//! when all other options fail (see `Inst::EmitIsland` meta-instruction).
//!
//! - A "veneer" is an instruction (or sequence of instructions) in an "island"
//! that implements a longer-range reference to a label. The idea is that, for

BIN
cranelift/codegen/src/preopt.serialized
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Binary file not shown.

3
cranelift/filetests/src/function_runner.rs
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@@ -39,7 +39,8 @@ pub struct SingleFunctionCompiler {
impl SingleFunctionCompiler {
/// Build a [SingleFunctionCompiler] from a [TargetIsa]. For functions to be runnable on the
/// host machine, this [TargetISA] must match the host machine's ISA (see [with_host_isa]).
/// host machine, this [TargetIsa] must match the host machine's ISA (see
/// [SingleFunctionCompiler::with_host_isa]).
pub fn new(isa: Box<dyn TargetIsa>) -> Self {
let trampolines = HashMap::new();
Self { isa, trampolines }

3
cranelift/filetests/src/test_interpret.rs
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@@ -1,6 +1,7 @@
//! Test command for interpreting CLIF files and verifying their results
//!
//! The `interpret` test command interprets each function on the host machine using [RunCommand]s.
//! The `interpret` test command interprets each function on the host machine
//! using [RunCommand](cranelift_reader::RunCommand)s.
use crate::subtest::{Context, SubTest, SubtestResult};
use cranelift_codegen::{self, ir};

2
cranelift/peepmatic/Cargo.toml
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@@ -14,4 +14,4 @@ peepmatic-automata = { version = "0.2.0", path = "crates/automata", features = [
peepmatic-macro = { version = "0.2.0", path = "crates/macro" }
peepmatic-runtime = { version = "0.2.0", path = "crates/runtime", features = ["construct"] }
wast = "15.0.0"
z3 = { version = "0.5.1", features = ["static-link-z3"] }
z3 = { version = "0.6.0", features = ["static-link-z3"] }

2
cranelift/peepmatic/crates/runtime/Cargo.toml
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@@ -18,6 +18,8 @@ serde = { version = "1.0.105", features = ["derive"] }
thiserror = "1.0.15"
wast = { version = "15.0.0", optional = true }
[dev-dependencies]
serde_test = "1.0.114"
[features]
# Enable support for a few extra methods that are required by the `peepmatic`

121
cranelift/peepmatic/crates/runtime/src/integer_interner.rs
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@@ -5,8 +5,12 @@
//! few compared to the full range of `u64`) integers we are matching against
//! here and then reference them by `IntegerId`.
use serde::de::{Deserializer, SeqAccess, Visitor};
use serde::ser::{SerializeSeq, Serializer};
use serde::{Deserialize, Serialize};
use std::collections::BTreeMap;
use std::fmt;
use std::marker::PhantomData;
use std::num::{NonZeroU16, NonZeroU32};
/// An identifier for an interned integer.
@@ -14,7 +18,7 @@ use std::num::{NonZeroU16, NonZeroU32};
pub struct IntegerId(#[doc(hidden)] pub NonZeroU16);
/// An interner for integer values.
#[derive(Debug, Default, Serialize, Deserialize)]
#[derive(Debug, Default)]
pub struct IntegerInterner {
// Note: we use `BTreeMap`s for deterministic serialization.
map: BTreeMap<u64, IntegerId>,
@@ -71,3 +75,118 @@ impl From<IntegerId> for NonZeroU32 {
id.0.into()
}
}
impl Serialize for IntegerInterner {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let mut seq = serializer.serialize_seq(Some(self.values.len()))?;
for p in &self.values {
seq.serialize_element(&p)?;
}
seq.end()
}
}
impl<'de> Deserialize<'de> for IntegerInterner {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
deserializer.deserialize_seq(IntegerInternerVisitor {
marker: PhantomData,
})
}
}
struct IntegerInternerVisitor {
marker: PhantomData<fn() -> IntegerInterner>,
}
impl<'de> Visitor<'de> for IntegerInternerVisitor {
type Value = IntegerInterner;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
write!(
formatter,
"a `peepmatic_runtime::integer_interner::IntegerInterner`"
)
}
fn visit_seq<M>(self, mut access: M) -> Result<Self::Value, M::Error>
where
M: SeqAccess<'de>,
{
const DEFAULT_CAPACITY: usize = 16;
let capacity = access.size_hint().unwrap_or(DEFAULT_CAPACITY);
let mut interner = IntegerInterner {
map: BTreeMap::new(),
values: Vec::with_capacity(capacity),
};
while let Some(path) = access.next_element::<u64>()? {
interner.intern(path);
}
Ok(interner)
}
}
#[cfg(test)]
mod tests {
use super::*;
use serde_test::{assert_tokens, Token};
use std::iter::successors;
#[derive(Debug, Serialize, Deserialize)]
#[serde(transparent)]
pub struct OrderedIntegerInterner(IntegerInterner);
impl PartialEq for OrderedIntegerInterner {
fn eq(&self, other: &OrderedIntegerInterner) -> bool {
self.0.values.iter().eq(other.0.values.iter())
}
}
fn intern_fib(interner: &mut IntegerInterner, skip: usize, take: usize) {
successors(Some((0, 1)), |(a, b): &(u64, u64)| {
a.checked_add(*b).map(|c| (*b, c))
})
.skip(skip)
.take(take)
.for_each(|(i, _)| {
interner.intern(i);
})
}
#[test]
fn test_ser_de_empty_interner() {
let interner = IntegerInterner::new();
assert_tokens(
&OrderedIntegerInterner(interner),
&[Token::Seq { len: Some(0) }, Token::SeqEnd],
);
}
#[test]
fn test_ser_de_fibonacci_interner() {
let mut interner = IntegerInterner::new();
intern_fib(&mut interner, 10, 5);
assert_tokens(
&OrderedIntegerInterner(interner),
&[
Token::Seq { len: Some(5) },
Token::U64(55),
Token::U64(89),
Token::U64(144),
Token::U64(233),
Token::U64(377),
Token::SeqEnd,
],
);
}
}

2
cranelift/peepmatic/crates/runtime/src/optimizer.rs
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@@ -16,7 +16,7 @@ use std::num::NonZeroU32;
/// optimizations to instructions.
///
/// These are created from a set of peephole optimizations with the
/// [`PeepholeOptimizer::instance`][crate::PeepholeOptimizer::instance] method.
/// [`PeepholeOptimizations::optimizer`] method.
///
/// Reusing an instance when applying peephole optimizations to different
/// instruction sequences means that you reuse internal allocations that are

4
cranelift/peepmatic/src/verify.rs
View File

@@ -255,7 +255,7 @@ impl<'a> TypingContext<'a> {
let is_void = self.is_void(&root_ty);
let is_cpu_flags = self.is_cpu_flags(&root_ty);
self.constraints.push((
is_int.or(&[&is_bool, &is_void, &is_cpu_flags]),
z3::ast::Bool::or(&self.z3, &[&is_int, &is_bool, &is_void, &is_cpu_flags]),
span,
Some(
"the root of an optimization must be an integer, a boolean, void, or CPU flags"
@@ -719,7 +719,7 @@ impl<'a> TypingContextTrait<'a> for TypingContext<'a> {
.as_bool()
.unwrap();
self.constraints.push((
is_int.or(&[&is_bool]),
z3::ast::Bool::or(&self.z3, &[&is_int, &is_bool]),
span,
Some("type error: must be either an int or a bool type".into()),
));

2
cranelift/wasm/Cargo.toml
View File

@@ -12,7 +12,7 @@ keywords = ["webassembly", "wasm"]
edition = "2018"
[dependencies]
wasmparser = { version = "0.57.0", default-features = false }
wasmparser = { version = "0.58.0", default-features = false }
cranelift-codegen = { path = "../codegen", version = "0.65.0", default-features = false }
cranelift-entity = { path = "../entity", version = "0.65.0" }
cranelift-frontend = { path = "../frontend", version = "0.65.0", default-features = false }

14
cranelift/wasm/src/code_translator.rs
View File

@@ -1575,7 +1575,10 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
| Operator::I32x4WidenLowI16x8S { .. }
| Operator::I32x4WidenHighI16x8S { .. }
| Operator::I32x4WidenLowI16x8U { .. }
| Operator::I32x4WidenHighI16x8U { .. } => {
| Operator::I32x4WidenHighI16x8U { .. }
| Operator::I8x16Bitmask
| Operator::I16x8Bitmask
| Operator::I32x4Bitmask => {
return Err(wasm_unsupported!("proposed SIMD operator {:?}", op));
}
@@ -2007,7 +2010,8 @@ fn type_of(operator: &Operator) -> Type {
| Operator::I8x16MinU
| Operator::I8x16MaxS
| Operator::I8x16MaxU
| Operator::I8x16RoundingAverageU => I8X16,
| Operator::I8x16RoundingAverageU
| Operator::I8x16Bitmask => I8X16,
Operator::I16x8Splat
| Operator::V16x8LoadSplat { .. }
@@ -2041,7 +2045,8 @@ fn type_of(operator: &Operator) -> Type {
| Operator::I16x8MaxS
| Operator::I16x8MaxU
| Operator::I16x8RoundingAverageU
| Operator::I16x8Mul => I16X8,
| Operator::I16x8Mul
| Operator::I16x8Bitmask => I16X8,
Operator::I32x4Splat
| Operator::V32x4LoadSplat { .. }
@@ -2071,7 +2076,8 @@ fn type_of(operator: &Operator) -> Type {
| Operator::I32x4MaxS
| Operator::I32x4MaxU
| Operator::F32x4ConvertI32x4S
| Operator::F32x4ConvertI32x4U => I32X4,
| Operator::F32x4ConvertI32x4U
| Operator::I32x4Bitmask => I32X4,
Operator::I64x2Splat
| Operator::V64x2LoadSplat { .. }

5
cranelift/wasm/src/module_translator.rs
View File

@@ -71,6 +71,11 @@ pub fn translate_module<'data>(
environ.reserve_passive_data(count)?;
}
SectionContent::Module(_)
| SectionContent::ModuleCode(_)
| SectionContent::Instance(_)
| SectionContent::Alias(_) => unimplemented!("module linking not implemented yet"),
SectionContent::Custom {
name,
binary,

18
cranelift/wasm/src/sections_translator.rs
View File

@@ -26,7 +26,7 @@ use wasmparser::{
ElementKind, ElementSectionReader, Export, ExportSectionReader, ExternalKind,
FunctionSectionReader, GlobalSectionReader, GlobalType, ImportSectionEntryType,
ImportSectionReader, MemorySectionReader, MemoryType, NameSectionReader, Naming, NamingReader,
Operator, TableSectionReader, Type, TypeSectionReader,
Operator, TableSectionReader, Type, TypeDef, TypeSectionReader,
};
/// Parses the Type section of the wasm module.
@@ -40,8 +40,9 @@ pub fn parse_type_section(
environ.reserve_signatures(count)?;
for entry in types {
let wasm_func_ty = entry?;
let mut sig = Signature::new(ModuleEnvironment::target_config(environ).default_call_conv);
if let Ok(TypeDef::Func(wasm_func_ty)) = entry {
let mut sig =
Signature::new(ModuleEnvironment::target_config(environ).default_call_conv);
sig.params.extend(wasm_func_ty.params.iter().map(|ty| {
let cret_arg: ir::Type = type_to_type(*ty, environ)
.expect("only numeric types are supported in function signatures");
@@ -56,6 +57,9 @@ pub fn parse_type_section(
module_translation_state
.wasm_types
.push((wasm_func_ty.params, wasm_func_ty.returns));
} else {
unimplemented!("module linking not implemented yet")
}
}
Ok(())
}
@@ -70,7 +74,7 @@ pub fn parse_import_section<'data>(
for entry in imports {
let import = entry?;
let module_name = import.module;
let field_name = import.field;
let field_name = import.field.unwrap(); // TODO Handle error when module linking is implemented.
match import.ty {
ImportSectionEntryType::Function(sig) => {
@@ -80,6 +84,9 @@ pub fn parse_import_section<'data>(
field_name,
)?;
}
ImportSectionEntryType::Module(_sig) | ImportSectionEntryType::Instance(_sig) => {
unimplemented!("module linking not implemented yet")
}
ImportSectionEntryType::Memory(MemoryType {
limits: ref memlimits,
shared,
@@ -268,6 +275,9 @@ pub fn parse_export_section<'data>(
ExternalKind::Global => {
environ.declare_global_export(GlobalIndex::new(index), field)?
}
ExternalKind::Type | ExternalKind::Module | ExternalKind::Instance => {
unimplemented!("module linking not implemented yet")
}
}
}

2
crates/debug/Cargo.toml
View File

@@ -13,7 +13,7 @@ edition = "2018"
[dependencies]
gimli = "0.21.0"
wasmparser = "0.57.0"
wasmparser = "0.58.0"
object = { version = "0.19", default-features = false, features = ["write"] }
wasmtime-environ = { path = "../environ", version = "0.18.0" }
target-lexicon = { version = "0.10.0", default-features = false }

10
crates/debug/src/read_debuginfo.rs
View File

@@ -6,7 +6,7 @@ use gimli::{
};
use std::collections::HashMap;
use std::path::PathBuf;
use wasmparser::{self, ModuleReader, SectionCode};
use wasmparser::{self, ModuleReader, SectionCode, TypeDef};
trait Reader: gimli::Reader<Offset = usize, Endian = LittleEndian> {}
@@ -186,7 +186,13 @@ pub fn read_debuginfo(data: &[u8]) -> Result<DebugInfoData> {
signatures_params = section
.get_type_section_reader()?
.into_iter()
.map(|ft| Ok(ft?.params))
.map(|ft| {
if let Ok(TypeDef::Func(ft)) = ft {
Ok(ft.params)
} else {
unimplemented!("module linking not implemented yet")
}
})
.collect::<Result<Vec<_>>>()?;
}
SectionCode::Import => {

2
crates/environ/Cargo.toml
View File

@@ -16,7 +16,7 @@ anyhow = "1.0"
cranelift-codegen = { path = "../../cranelift/codegen", version = "0.65.0", features = ["enable-serde"] }
cranelift-entity = { path = "../../cranelift/entity", version = "0.65.0", features = ["enable-serde"] }
cranelift-wasm = { path = "../../cranelift/wasm", version = "0.65.0", features = ["enable-serde"] }
wasmparser = "0.57.0"
wasmparser = "0.58.0"
lightbeam = { path = "../lightbeam", optional = true, version = "0.18.0" }
indexmap = "1.0.2"
rayon = "1.2.1"

2
crates/fuzzing/Cargo.toml
View File

@@ -13,7 +13,7 @@ binaryen = { version = "0.10.0", optional = true }
env_logger = "0.7.1"
log = "0.4.8"
rayon = "1.2.1"
wasmparser = "0.57.0"
wasmparser = "0.58.0"
wasmprinter = "0.2.5"
wasmtime = { path = "../wasmtime" }
wasmtime-wast = { path = "../wast" }

2
crates/jit/Cargo.toml
View File

@@ -24,7 +24,7 @@ wasmtime-profiling = { path = "../profiling", version = "0.18.0" }
region = "2.1.0"
thiserror = "1.0.4"
target-lexicon = { version = "0.10.0", default-features = false }
wasmparser = "0.57.0"
wasmparser = "0.58.0"
more-asserts = "0.2.1"
anyhow = "1.0"
cfg-if = "0.1.9"

2
crates/lightbeam/Cargo.toml
View File

@@ -24,7 +24,7 @@ smallvec = "1.0.0"
staticvec = "0.10"
thiserror = "1.0.9"
typemap = "0.3"
wasmparser = "0.57.0"
wasmparser = "0.58.0"
[dev-dependencies]
lazy_static = "1.2"

8
crates/lightbeam/src/translate_sections.rs
View File

@@ -5,14 +5,18 @@ use cranelift_codegen::{binemit, ir};
use wasmparser::{
CodeSectionReader, DataSectionReader, ElementSectionReader, ExportSectionReader, FuncType,
FunctionSectionReader, GlobalSectionReader, ImportSectionReader, MemorySectionReader,
MemoryType, TableSectionReader, TableType, TypeSectionReader,
MemoryType, TableSectionReader, TableType, TypeDef, TypeSectionReader,
};
/// Parses the Type section of the wasm module.
pub fn type_(types_reader: TypeSectionReader) -> Result<Vec<FuncType>, Error> {
types_reader
.into_iter()
.map(|r| r.map_err(Into::into))
.map(|r| match r {
Ok(TypeDef::Func(ft)) => Ok(ft),
Ok(_) => unimplemented!("module linking is not implemented yet"),
Err(e) => Err(e.into()),
})
.collect()
}

2
crates/runtime/src/externref.rs
View File

@@ -21,7 +21,7 @@
//! The `VMExternData` struct is *preceded* by the dynamically-sized value boxed
//! up and referenced by one or more `VMExternRef`s:
//!
//! ```ignore
//! ```text
//! ,-------------------------------------------------------.
//! | |
//! V |

2
crates/wasmtime/Cargo.toml
View File

@@ -14,7 +14,7 @@ wasmtime-runtime = { path = "../runtime", version = "0.18.0" }
wasmtime-environ = { path = "../environ", version = "0.18.0" }
wasmtime-jit = { path = "../jit", version = "0.18.0" }
wasmtime-profiling = { path = "../profiling", version = "0.18.0" }
wasmparser = "0.57.0"
wasmparser = "0.58.0"
target-lexicon = { version = "0.10.0", default-features = false }
anyhow = "1.0.19"
region = "2.1.0"

1
crates/wasmtime/src/runtime.rs
View File

@@ -89,6 +89,7 @@ impl Config {
enable_simd: false,
enable_multi_value: true,
enable_tail_call: false,
enable_module_linking: false,
},
},
flags,

2
crates/wiggle/src/lib.rs
View File

@@ -61,7 +61,7 @@ pub use region::Region;
///
/// # Using References
///
/// The [`GuestMemory::as_slice`] or [`GuestPtr::as_str`] will return smart
/// The [`GuestPtr::as_slice`] or [`GuestPtr::as_str`] will return smart
/// pointers [`GuestSlice`] and [`GuestStr`]. These types, which implement
/// [`std::ops::Deref`] and [`std::ops::DerefMut`], provide mutable references
/// into the memory region given by a `GuestMemory`.

2
crates/wiggle/wasmtime/macro/src/lib.rs
View File

@@ -21,7 +21,7 @@ use config::{MissingMemoryConf, ModuleConf, TargetConf};
/// where the macro is invoked. `witx_literal` takes a string of the witx document, e.g.
/// `"(typename $foo u8)"`.
/// * `ctx`: The context struct used for the Wiggle implementation. This must be the same
/// type as the [`wasmtime_wiggle::from_witx`] macro at `target` was invoked with. However, it
/// type as the `wasmtime_wiggle::from_witx` macro at `target` was invoked with. However, it
/// must be imported to the current scope so that it is a bare identifier e.g. `CtxType`, not
/// `path::to::CtxType`.
/// * `modules`: Describes how any modules in the witx document will be implemented as Wasmtime