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Implement the new Context API for the core API

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Co-authored-by: ptitSeb <sebastien.chev@gmail.com>
This commit is contained in:
Amanieu d'Antras
2022-05-20 12:38:28 +01:00
committed by Manos Pitsidianakis
parent f16bd35d3c
commit 738a66f719
63 changed files with 2716 additions and 4821 deletions
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43
lib/vm/src/lib.rs
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@@ -20,8 +20,9 @@
)
)]
mod context;
mod export;
mod func_data_registry;
mod extern_ref;
mod global;
mod imports;
mod instance;
@@ -35,19 +36,21 @@ mod vmcontext;
pub mod libcalls;
use std::ptr::NonNull;
pub use crate::context::{
ContextHandle, ContextId, ContextObjects, InternalContextHandle, MaybeInstanceOwned,
};
pub use crate::export::*;
pub use crate::func_data_registry::{FuncDataRegistry, VMFuncRef};
pub use crate::extern_ref::{VMExternObj, VMExternRef};
pub use crate::global::*;
pub use crate::imports::Imports;
pub use crate::instance::{
ImportFunctionEnv, ImportInitializerFuncPtr, InstanceAllocator, InstanceHandle,
WeakOrStrongInstanceRef,
};
pub use crate::memory::{LinearMemory, Memory, MemoryError};
pub use crate::instance::{InstanceAllocator, InstanceHandle};
pub use crate::memory::{MemoryError, VMMemory};
pub use crate::mmap::Mmap;
pub use crate::probestack::PROBESTACK;
pub use crate::sig_registry::SignatureRegistry;
pub use crate::table::{LinearTable, Table, TableElement};
pub use crate::table::{TableElement, VMTable};
pub use crate::trap::*;
pub use crate::vmcontext::{
VMCallerCheckedAnyfunc, VMContext, VMDynamicFunctionContext, VMFunctionEnvironment,
@@ -56,8 +59,8 @@ pub use crate::vmcontext::{
};
pub use wasmer_types::LibCall;
pub use wasmer_types::MemoryStyle;
use wasmer_types::RawValue;
pub use wasmer_types::TableStyle;
pub use wasmer_types::VMExternRef;
pub use wasmer_types::{TargetSharedSignatureIndex, VMBuiltinFunctionIndex, VMOffsets};
#[deprecated(
@@ -121,3 +124,25 @@ unsafe impl Send for FunctionBodyPtr {}
/// The VMFunctionBody that this points to is opaque, so there's no data to
/// read or write through this pointer. This is essentially a usize.
unsafe impl Sync for FunctionBodyPtr {}
/// A function reference. A single word that points to metadata about a function.
#[repr(transparent)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub struct VMFuncRef(pub NonNull<VMCallerCheckedAnyfunc>);
impl VMFuncRef {
/// Converts the `VMFuncRef` into a `RawValue`.
pub fn into_raw(self) -> RawValue {
RawValue {
funcref: self.0.as_ptr() as usize,
}
}
/// Extracts a `VMFuncRef` from a `RawValue`.
///
/// # Safety
/// `raw.funcref` must be a valid pointer.
pub unsafe fn from_raw(raw: RawValue) -> Option<Self> {
NonNull::new(raw.funcref as *mut VMCallerCheckedAnyfunc).map(Self)
}
}