Struct wasmer_types::VMOffsets

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pub struct VMOffsets {
    pub pointer_size: u8,
    pub num_signature_ids: u32,
    pub num_imported_functions: u32,
    pub num_imported_tables: u32,
    pub num_imported_memories: u32,
    pub num_imported_globals: u32,
    pub num_local_tables: u32,
    pub num_local_memories: u32,
    pub num_local_globals: u32,
}

Expand description

This class computes offsets to fields within VMContext and other related structs that JIT code accesses directly.

Fields

pointer_size: u8

The size in bytes of a pointer on the target.

num_signature_ids: u32

The number of signature declarations in the module.

num_imported_functions: u32

The number of imported functions in the module.

num_imported_tables: u32

The number of imported tables in the module.

num_imported_memories: u32

The number of imported memories in the module.

num_imported_globals: u32

The number of imported globals in the module.

num_local_tables: u32

The number of defined tables in the module.

num_local_memories: u32

The number of defined memories in the module.

num_local_globals: u32

The number of defined globals in the module.

Implementations

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impl VMOffsets

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pub fn new(pointer_size: u8, module: &ModuleInfo) -> Self

Return a new VMOffsets instance, for a given pointer size.

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pub fn new_for_trampolines(pointer_size: u8) -> Self

Return a new VMOffsets instance, for a given pointer size skipping the ModuleInfo.

Note: This should only when generating code for trampolines.

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impl VMOffsets

Offsets for VMFunctionImport.

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pub const fn vmfunction_import_body(&self) -> u8

The offset of the body field.

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pub const fn vmfunction_import_vmctx(&self) -> u8

The offset of the vmctx field.

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pub const fn size_of_vmfunction_import(&self) -> u8

Return the size of VMFunctionImport.

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impl VMOffsets

Offsets for VMDynamicFunctionContext.

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pub const fn vmdynamicfunction_import_context_address(&self) -> u8

The offset of the address field.

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pub const fn vmdynamicfunction_import_context_ctx(&self) -> u8

The offset of the ctx field.

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pub const fn size_of_vmdynamicfunction_import_context(&self) -> u8

Return the size of VMDynamicFunctionContext.

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impl VMOffsets

Offsets for *const VMFunctionBody.

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pub const fn size_of_vmfunction_body_ptr(&self) -> u8

The size of the current_elements field.

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impl VMOffsets

Offsets for VMTableImport.

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pub const fn vmtable_import_definition(&self) -> u8

The offset of the definition field.

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pub const fn vmtable_import_from(&self) -> u8

The offset of the from field.

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pub const fn size_of_vmtable_import(&self) -> u8

Return the size of VMTableImport.

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impl VMOffsets

Offsets for VMTableDefinition.

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pub const fn vmtable_definition_base(&self) -> u8

The offset of the base field.

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pub const fn vmtable_definition_current_elements(&self) -> u8

The offset of the current_elements field.

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pub const fn size_of_vmtable_definition_current_elements(&self) -> u8

The size of the current_elements field.

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pub const fn size_of_vmtable_definition(&self) -> u8

Return the size of VMTableDefinition.

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impl VMOffsets

Offsets for VMMemoryImport.

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pub const fn vmmemory_import_definition(&self) -> u8

The offset of the from field.

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pub const fn vmmemory_import_from(&self) -> u8

The offset of the from field.

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pub const fn size_of_vmmemory_import(&self) -> u8

Return the size of VMMemoryImport.

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impl VMOffsets

Offsets for VMMemoryDefinition.

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pub const fn vmmemory_definition_base(&self) -> u8

The offset of the base field.

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pub const fn vmmemory_definition_current_length(&self) -> u8

The offset of the current_length field.

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pub const fn size_of_vmmemory_definition_current_length(&self) -> u8

The size of the current_length field.

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pub const fn size_of_vmmemory_definition(&self) -> u8

Return the size of VMMemoryDefinition.

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impl VMOffsets

Offsets for VMGlobalImport.

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pub const fn vmglobal_import_definition(&self) -> u8

The offset of the definition field.

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pub const fn vmglobal_import_from(&self) -> u8

The offset of the from field.

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pub const fn size_of_vmglobal_import(&self) -> u8

Return the size of VMGlobalImport.

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impl VMOffsets

Offsets for a non-null pointer to a VMGlobalDefinition used as a local global.

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pub const fn size_of_vmglobal_local(&self) -> u8

Return the size of a pointer to a VMGlobalDefinition;

The underlying global itself is the size of the largest value type (i.e. a V128), however the size of this type is just the size of a pointer.

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impl VMOffsets

Offsets for VMSharedSignatureIndex.

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pub const fn size_of_vmshared_signature_index(&self) -> u8

Return the size of VMSharedSignatureIndex.

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impl VMOffsets

Offsets for VMCallerCheckedAnyfunc.

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pub const fn vmcaller_checked_anyfunc_func_ptr(&self) -> u8

The offset of the func_ptr field.

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pub const fn vmcaller_checked_anyfunc_type_index(&self) -> u8

The offset of the type_index field.

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pub const fn vmcaller_checked_anyfunc_vmctx(&self) -> u8

The offset of the vmctx field.

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pub const fn size_of_vmcaller_checked_anyfunc(&self) -> u8

Return the size of VMCallerCheckedAnyfunc.

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impl VMOffsets

Offsets for VMFuncRef.

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pub const fn vm_funcref_anyfunc_ptr(&self) -> u8

The offset to the pointer to the anyfunc inside the ref.

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pub const fn size_of_vm_funcref(&self) -> u8

Return the size of VMFuncRef.

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impl VMOffsets

Offsets for VMContext.

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pub fn vmctx_signature_ids_begin(&self) -> u32

The offset of the signature_ids array.

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pub fn vmctx_imported_functions_begin(&self) -> u32

The offset of the tables array.

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pub fn vmctx_imported_tables_begin(&self) -> u32

The offset of the tables array.

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pub fn vmctx_imported_memories_begin(&self) -> u32

The offset of the memories array.

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pub fn vmctx_imported_globals_begin(&self) -> u32

The offset of the globals array.

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pub fn vmctx_tables_begin(&self) -> u32

The offset of the tables array.

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pub fn vmctx_memories_begin(&self) -> u32

The offset of the memories array.

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pub fn vmctx_globals_begin(&self) -> u32

The offset of the globals array.

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pub fn vmctx_builtin_functions_begin(&self) -> u32

The offset of the builtin functions array.

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pub fn size_of_vmctx(&self) -> u32

Return the size of the VMContext allocation.

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pub fn vmctx_vmshared_signature_id(&self, index: SignatureIndex) -> u32

Return the offset to VMSharedSignatureIndex index index.

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pub fn vmctx_vmfunction_import(&self, index: FunctionIndex) -> u32

Return the offset to VMFunctionImport index index.

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pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32

Return the offset to VMTableImport index index.

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pub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32

Return the offset to VMMemoryImport index index.

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pub fn vmctx_vmglobal_import(&self, index: GlobalIndex) -> u32

Return the offset to VMGlobalImport index index.

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pub fn vmctx_vmtable_definition(&self, index: LocalTableIndex) -> u32

Return the offset to VMTableDefinition index index.

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pub fn vmctx_vmmemory_definition(&self, index: LocalMemoryIndex) -> u32

Return the offset to VMMemoryDefinition index index.

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pub fn vmctx_vmglobal_definition(&self, index: LocalGlobalIndex) -> u32

Return the offset to the VMGlobalDefinition index index.

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pub fn vmctx_vmfunction_import_body(&self, index: FunctionIndex) -> u32

Return the offset to the body field in *const VMFunctionBody index index.

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pub fn vmctx_vmfunction_import_vmctx(&self, index: FunctionIndex) -> u32

Return the offset to the vmctx field in *const VMFunctionBody index index.

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pub fn vmctx_vmtable_import_definition(&self, index: TableIndex) -> u32

Return the offset to the definition field in VMTableImport index index.

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pub fn vmctx_vmtable_definition_base(&self, index: LocalTableIndex) -> u32

Return the offset to the base field in VMTableDefinition index index.

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pub fn vmctx_vmtable_definition_current_elements(
&self,
index: LocalTableIndex
) -> u32

Return the offset to the current_elements field in VMTableDefinition index index.

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pub fn vmctx_vmmemory_import_definition(&self, index: MemoryIndex) -> u32

Return the offset to the from field in VMMemoryImport index index.

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pub fn vmctx_vmmemory_import_from(&self, index: MemoryIndex) -> u32

Return the offset to the vmctx field in VMMemoryImport index index.

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pub fn vmctx_vmmemory_definition_base(&self, index: LocalMemoryIndex) -> u32

Return the offset to the base field in VMMemoryDefinition index index.

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pub fn vmctx_vmmemory_definition_current_length(
&self,
index: LocalMemoryIndex
) -> u32

Return the offset to the current_length field in VMMemoryDefinition index index.

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pub fn vmctx_vmglobal_import_definition(&self, index: GlobalIndex) -> u32

Return the offset to the from field in VMGlobalImport index index.

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pub fn vmctx_builtin_function(&self, index: VMBuiltinFunctionIndex) -> u32

Return the offset to builtin function in VMBuiltinFunctionsArray index index.

Trait Implementations

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impl Clone for VMOffsets

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fn clone(&self) -> VMOffsets

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for VMOffsets

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl MemoryUsage for VMOffsets

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fn size_of_val(&self, visited: &mut dyn MemoryUsageTracker) -> usize

Returns the size of the referenced value in bytes. Read more

Auto Trait Implementations

impl RefUnwindSafe for VMOffsets

impl Send for VMOffsets

impl Sync for VMOffsets

impl Unpin for VMOffsets

impl UnwindSafe for VMOffsets

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> ArchivePointee for T

type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

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fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
 W: DeserializeWith<F, T, D>,
 D: Fallible + ?Sized,
 F: ?Sized,

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fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pointee for T

type Metadata = ()

The type for metadata in pointers and references to Self.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct wasmer_types::VMOffsets

Fields

Implementations

impl VMOffsets

pub fn new(pointer_size: u8, module: &ModuleInfo) -> Self

pub fn new_for_trampolines(pointer_size: u8) -> Self

impl VMOffsets

pub const fn vmfunction_import_body(&self) -> u8

pub const fn vmfunction_import_vmctx(&self) -> u8

pub const fn size_of_vmfunction_import(&self) -> u8

impl VMOffsets

pub const fn vmdynamicfunction_import_context_address(&self) -> u8

pub const fn vmdynamicfunction_import_context_ctx(&self) -> u8

pub const fn size_of_vmdynamicfunction_import_context(&self) -> u8

impl VMOffsets

pub const fn size_of_vmfunction_body_ptr(&self) -> u8

impl VMOffsets

pub const fn vmtable_import_definition(&self) -> u8

pub const fn vmtable_import_from(&self) -> u8

pub const fn size_of_vmtable_import(&self) -> u8

impl VMOffsets

pub const fn vmtable_definition_base(&self) -> u8

pub const fn vmtable_definition_current_elements(&self) -> u8

pub const fn size_of_vmtable_definition_current_elements(&self) -> u8

pub const fn size_of_vmtable_definition(&self) -> u8

impl VMOffsets

pub const fn vmmemory_import_definition(&self) -> u8

pub const fn vmmemory_import_from(&self) -> u8

pub const fn size_of_vmmemory_import(&self) -> u8

impl VMOffsets

pub const fn vmmemory_definition_base(&self) -> u8

pub const fn vmmemory_definition_current_length(&self) -> u8

pub const fn size_of_vmmemory_definition_current_length(&self) -> u8

pub const fn size_of_vmmemory_definition(&self) -> u8

impl VMOffsets

pub const fn vmglobal_import_definition(&self) -> u8

pub const fn vmglobal_import_from(&self) -> u8

pub const fn size_of_vmglobal_import(&self) -> u8

impl VMOffsets

pub const fn size_of_vmglobal_local(&self) -> u8

impl VMOffsets

pub const fn size_of_vmshared_signature_index(&self) -> u8

impl VMOffsets

pub const fn vmcaller_checked_anyfunc_func_ptr(&self) -> u8

pub const fn vmcaller_checked_anyfunc_type_index(&self) -> u8

pub const fn vmcaller_checked_anyfunc_vmctx(&self) -> u8

pub const fn size_of_vmcaller_checked_anyfunc(&self) -> u8

impl VMOffsets

pub const fn vm_funcref_anyfunc_ptr(&self) -> u8

pub const fn size_of_vm_funcref(&self) -> u8

impl VMOffsets

pub fn vmctx_signature_ids_begin(&self) -> u32

pub fn vmctx_imported_functions_begin(&self) -> u32

pub fn vmctx_imported_tables_begin(&self) -> u32

pub fn vmctx_imported_memories_begin(&self) -> u32

pub fn vmctx_imported_globals_begin(&self) -> u32

pub fn vmctx_tables_begin(&self) -> u32

pub fn vmctx_memories_begin(&self) -> u32

pub fn vmctx_globals_begin(&self) -> u32

pub fn vmctx_builtin_functions_begin(&self) -> u32

pub fn size_of_vmctx(&self) -> u32

pub fn vmctx_vmshared_signature_id(&self, index: SignatureIndex) -> u32

pub fn vmctx_vmfunction_import(&self, index: FunctionIndex) -> u32

pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32

pub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32

pub fn vmctx_vmglobal_import(&self, index: GlobalIndex) -> u32

pub fn vmctx_vmtable_definition(&self, index: LocalTableIndex) -> u32

pub fn vmctx_vmmemory_definition(&self, index: LocalMemoryIndex) -> u32

pub fn vmctx_vmglobal_definition(&self, index: LocalGlobalIndex) -> u32

pub fn vmctx_vmfunction_import_body(&self, index: FunctionIndex) -> u32

pub fn vmctx_vmfunction_import_vmctx(&self, index: FunctionIndex) -> u32

pub fn vmctx_vmtable_import_definition(&self, index: TableIndex) -> u32

pub fn vmctx_vmtable_definition_base(&self, index: LocalTableIndex) -> u32

pub fn vmctx_vmtable_definition_current_elements( &self, index: LocalTableIndex) -> u32

pub fn vmctx_vmmemory_import_definition(&self, index: MemoryIndex) -> u32

pub fn vmctx_vmmemory_import_from(&self, index: MemoryIndex) -> u32

pub fn vmctx_vmmemory_definition_base(&self, index: LocalMemoryIndex) -> u32

pub fn vmctx_vmmemory_definition_current_length( &self, index: LocalMemoryIndex) -> u32

pub fn vmctx_vmglobal_import_definition(&self, index: GlobalIndex) -> u32

pub fn vmctx_builtin_function(&self, index: VMBuiltinFunctionIndex) -> u32

pub fn vmctx_vmtable_definition_current_elements(
&self,
index: LocalTableIndex
) -> u32

pub fn vmctx_vmmemory_definition_current_length(
&self,
index: LocalMemoryIndex
) -> u32

impl<T> Any for T where
T: 'static + ?Sized,

fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
W: DeserializeWith<F, T, D>,
D: Fallible + ?Sized,
F: ?Sized,

fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,