Struct wasmtime_environ::VMOffsets
source · pub struct VMOffsets<P> {
pub ptr: P,
pub num_imported_functions: u32,
pub num_imported_tables: u32,
pub num_imported_memories: u32,
pub num_imported_globals: u32,
pub num_defined_tables: u32,
pub num_defined_memories: u32,
pub num_owned_memories: u32,
pub num_defined_globals: u32,
pub num_escaped_funcs: u32,
/* private fields */
}Expand description
This class computes offsets to fields within VMContext and other
related structs that JIT code accesses directly.
Fields§
§ptr: PThe size in bytes of a pointer on the target.
num_imported_functions: u32The number of imported functions in the module.
num_imported_tables: u32The number of imported tables in the module.
num_imported_memories: u32The number of imported memories in the module.
num_imported_globals: u32The number of imported globals in the module.
num_defined_tables: u32The number of defined tables in the module.
num_defined_memories: u32The number of defined memories in the module.
num_owned_memories: u32The number of memories owned by the module instance.
num_defined_globals: u32The number of defined globals in the module.
num_escaped_funcs: u32The number of escaped functions in the module, the size of the anyfuncs array.
Implementations§
source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
sourcepub fn new(ptr: P, module: &Module) -> Self
pub fn new(ptr: P, module: &Module) -> Self
Return a new VMOffsets instance, for a given pointer size.
sourcepub fn pointer_size(&self) -> u8
pub fn pointer_size(&self) -> u8
Returns the size, in bytes, of the target
Examples found in repository?
src/vmoffsets.rs (line 410)
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fn from(fields: VMOffsetsFields<P>) -> VMOffsets<P> {
let mut ret = Self {
ptr: fields.ptr,
num_imported_functions: fields.num_imported_functions,
num_imported_tables: fields.num_imported_tables,
num_imported_memories: fields.num_imported_memories,
num_imported_globals: fields.num_imported_globals,
num_defined_tables: fields.num_defined_tables,
num_defined_memories: fields.num_defined_memories,
num_owned_memories: fields.num_owned_memories,
num_defined_globals: fields.num_defined_globals,
num_escaped_funcs: fields.num_escaped_funcs,
magic: 0,
runtime_limits: 0,
callee: 0,
epoch_ptr: 0,
externref_activations_table: 0,
store: 0,
builtin_functions: 0,
signature_ids: 0,
imported_functions: 0,
imported_tables: 0,
imported_memories: 0,
imported_globals: 0,
defined_tables: 0,
defined_memories: 0,
owned_memories: 0,
defined_globals: 0,
defined_anyfuncs: 0,
size: 0,
};
// Convenience functions for checked addition and multiplication.
// As side effect this reduces binary size by using only a single
// `#[track_caller]` location for each function instead of one for
// each individual invocation.
#[inline]
fn cadd(count: u32, size: u32) -> u32 {
count.checked_add(size).unwrap()
}
#[inline]
fn cmul(count: u32, size: u8) -> u32 {
count.checked_mul(u32::from(size)).unwrap()
}
let mut next_field_offset = 0;
macro_rules! fields {
(size($field:ident) = $size:expr, $($rest:tt)*) => {
ret.$field = next_field_offset;
next_field_offset = cadd(next_field_offset, u32::from($size));
fields!($($rest)*);
};
(align($align:expr), $($rest:tt)*) => {
next_field_offset = align(next_field_offset, $align);
fields!($($rest)*);
};
() => {};
}
fields! {
size(magic) = 4u32,
align(u32::from(ret.ptr.size())),
size(runtime_limits) = ret.ptr.size(),
size(callee) = ret.ptr.size(),
size(epoch_ptr) = ret.ptr.size(),
size(externref_activations_table) = ret.ptr.size(),
size(store) = ret.ptr.size() * 2,
size(builtin_functions) = ret.pointer_size(),
size(signature_ids) = ret.ptr.size(),
size(imported_functions)
= cmul(ret.num_imported_functions, ret.size_of_vmfunction_import()),
size(imported_tables)
= cmul(ret.num_imported_tables, ret.size_of_vmtable_import()),
size(imported_memories)
= cmul(ret.num_imported_memories, ret.size_of_vmmemory_import()),
size(imported_globals)
= cmul(ret.num_imported_globals, ret.size_of_vmglobal_import()),
size(defined_tables)
= cmul(ret.num_defined_tables, ret.size_of_vmtable_definition()),
size(defined_memories)
= cmul(ret.num_defined_memories, ret.ptr.size_of_vmmemory_pointer()),
size(owned_memories)
= cmul(ret.num_owned_memories, ret.ptr.size_of_vmmemory_definition()),
align(16),
size(defined_globals)
= cmul(ret.num_defined_globals, ret.ptr.size_of_vmglobal_definition()),
size(defined_anyfuncs) = cmul(
ret.num_escaped_funcs,
ret.ptr.size_of_vmcaller_checked_anyfunc(),
),
}
ret.size = next_field_offset;
// This is required by the implementation of `VMContext::instance` and
// `VMContext::instance_mut`. If this value changes then those locations
// need to be updated.
assert_eq!(ret.magic, 0);
return ret;
}
}
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `body` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmfunction_import_body(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmfunction_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMFunctionImport`.
#[inline]
pub fn size_of_vmfunction_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `*const VMFunctionBody`.
impl<P: PtrSize> VMOffsets<P> {
/// The size of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn size_of_vmfunction_body_ptr(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMTableImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmtable_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMTableImport`.
#[inline]
pub fn size_of_vmtable_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMTableDefinition`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `base` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_definition_base(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn vmtable_definition_current_elements(&self) -> u8 {
1 * self.pointer_size()
}
/// The size of the `current_elements` field.
#[inline]
pub fn size_of_vmtable_definition_current_elements(&self) -> u8 {
4
}
/// Return the size of `VMTableDefinition`.
#[inline]
pub fn size_of_vmtable_definition(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMMemoryImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmmemory_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmmemory_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMMemoryImport`.
#[inline]
pub fn size_of_vmmemory_import(&self) -> u8 {
3 * self.pointer_size()
}
}
/// Offsets for `VMGlobalImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmglobal_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// Return the size of `VMGlobalImport`.
#[allow(clippy::identity_op)]
#[inline]
pub fn size_of_vmglobal_import(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMSharedSignatureIndex`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the size of `VMSharedSignatureIndex`.
#[inline]
pub fn size_of_vmshared_signature_index(&self) -> u8 {
4
}
}
/// Offsets for `VMContext`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the offset to the `magic` value in this `VMContext`.
#[inline]
pub fn vmctx_magic(&self) -> u32 {
self.magic
}
/// Return the offset to the `VMRuntimeLimits` structure
#[inline]
pub fn vmctx_runtime_limits(&self) -> u32 {
self.runtime_limits
}
/// Return the offset to the `callee` member in this `VMContext`.
pub fn vmctx_callee(&self) -> u32 {
self.callee
}
/// Return the offset to the `*const AtomicU64` epoch-counter
/// pointer.
#[inline]
pub fn vmctx_epoch_ptr(&self) -> u32 {
self.epoch_ptr
}
/// The offset of the `*mut VMExternRefActivationsTable` member.
#[inline]
pub fn vmctx_externref_activations_table(&self) -> u32 {
self.externref_activations_table
}
/// The offset of the `*const dyn Store` member.
#[inline]
pub fn vmctx_store(&self) -> u32 {
self.store
}
/// The offset of the `signature_ids` array pointer.
#[inline]
pub fn vmctx_signature_ids_array(&self) -> u32 {
self.signature_ids
}
/// The offset of the `tables` array.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmctx_imported_functions_begin(&self) -> u32 {
self.imported_functions
}
/// The offset of the `tables` array.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmctx_imported_tables_begin(&self) -> u32 {
self.imported_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_imported_memories_begin(&self) -> u32 {
self.imported_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_imported_globals_begin(&self) -> u32 {
self.imported_globals
}
/// The offset of the `tables` array.
#[inline]
pub fn vmctx_tables_begin(&self) -> u32 {
self.defined_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_memories_begin(&self) -> u32 {
self.defined_memories
}
/// The offset of the `owned_memories` array.
#[inline]
pub fn vmctx_owned_memories_begin(&self) -> u32 {
self.owned_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_globals_begin(&self) -> u32 {
self.defined_globals
}
/// The offset of the `anyfuncs` array.
#[inline]
pub fn vmctx_anyfuncs_begin(&self) -> u32 {
self.defined_anyfuncs
}
/// The offset of the builtin functions array.
#[inline]
pub fn vmctx_builtin_functions(&self) -> u32 {
self.builtin_functions
}
/// Return the size of the `VMContext` allocation.
#[inline]
pub fn size_of_vmctx(&self) -> u32 {
self.size
}
/// Return the offset to `VMFunctionImport` index `index`.
#[inline]
pub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_functions);
self.vmctx_imported_functions_begin()
+ index.as_u32() * u32::from(self.size_of_vmfunction_import())
}
/// Return the offset to `VMTableImport` index `index`.
#[inline]
pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_tables);
self.vmctx_imported_tables_begin()
+ index.as_u32() * u32::from(self.size_of_vmtable_import())
}
/// Return the offset to `VMMemoryImport` index `index`.
#[inline]
pub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_memories);
self.vmctx_imported_memories_begin()
+ index.as_u32() * u32::from(self.size_of_vmmemory_import())
}
/// Return the offset to `VMGlobalImport` index `index`.
#[inline]
pub fn vmctx_vmglobal_import(&self, index: GlobalIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_globals);
self.vmctx_imported_globals_begin()
+ index.as_u32() * u32::from(self.size_of_vmglobal_import())
}
/// Return the offset to `VMTableDefinition` index `index`.
#[inline]
pub fn vmctx_vmtable_definition(&self, index: DefinedTableIndex) -> u32 {
assert!(index.as_u32() < self.num_defined_tables);
self.vmctx_tables_begin() + index.as_u32() * u32::from(self.size_of_vmtable_definition())
}
/// Return the offset to the `*mut VMMemoryDefinition` at index `index`.
#[inline]
pub fn vmctx_vmmemory_pointer(&self, index: DefinedMemoryIndex) -> u32 {
assert!(index.as_u32() < self.num_defined_memories);
self.vmctx_memories_begin()
+ index.as_u32() * u32::from(self.ptr.size_of_vmmemory_pointer())
}
/// Return the offset to the owned `VMMemoryDefinition` at index `index`.
#[inline]
pub fn vmctx_vmmemory_definition(&self, index: OwnedMemoryIndex) -> u32 {
assert!(index.as_u32() < self.num_owned_memories);
self.vmctx_owned_memories_begin()
+ index.as_u32() * u32::from(self.ptr.size_of_vmmemory_definition())
}
/// Return the offset to the `VMGlobalDefinition` index `index`.
#[inline]
pub fn vmctx_vmglobal_definition(&self, index: DefinedGlobalIndex) -> u32 {
assert!(index.as_u32() < self.num_defined_globals);
self.vmctx_globals_begin()
+ index.as_u32() * u32::from(self.ptr.size_of_vmglobal_definition())
}
/// Return the offset to the `VMCallerCheckedAnyfunc` for the given function
/// index (either imported or defined).
#[inline]
pub fn vmctx_anyfunc(&self, index: AnyfuncIndex) -> u32 {
assert!(!index.is_reserved_value());
assert!(index.as_u32() < self.num_escaped_funcs);
self.vmctx_anyfuncs_begin()
+ index.as_u32() * u32::from(self.ptr.size_of_vmcaller_checked_anyfunc())
}
/// Return the offset to the `body` field in `*const VMFunctionBody` index `index`.
#[inline]
pub fn vmctx_vmfunction_import_body(&self, index: FuncIndex) -> u32 {
self.vmctx_vmfunction_import(index) + u32::from(self.vmfunction_import_body())
}
/// Return the offset to the `vmctx` field in `*const VMFunctionBody` index `index`.
#[inline]
pub fn vmctx_vmfunction_import_vmctx(&self, index: FuncIndex) -> u32 {
self.vmctx_vmfunction_import(index) + u32::from(self.vmfunction_import_vmctx())
}
/// Return the offset to the `from` field in `VMTableImport` index `index`.
#[inline]
pub fn vmctx_vmtable_import_from(&self, index: TableIndex) -> u32 {
self.vmctx_vmtable_import(index) + u32::from(self.vmtable_import_from())
}
/// Return the offset to the `base` field in `VMTableDefinition` index `index`.
#[inline]
pub fn vmctx_vmtable_definition_base(&self, index: DefinedTableIndex) -> u32 {
self.vmctx_vmtable_definition(index) + u32::from(self.vmtable_definition_base())
}
/// Return the offset to the `current_elements` field in `VMTableDefinition` index `index`.
#[inline]
pub fn vmctx_vmtable_definition_current_elements(&self, index: DefinedTableIndex) -> u32 {
self.vmctx_vmtable_definition(index) + u32::from(self.vmtable_definition_current_elements())
}
/// Return the offset to the `from` field in `VMMemoryImport` index `index`.
#[inline]
pub fn vmctx_vmmemory_import_from(&self, index: MemoryIndex) -> u32 {
self.vmctx_vmmemory_import(index) + u32::from(self.vmmemory_import_from())
}
/// Return the offset to the `vmctx` field in `VMMemoryImport` index `index`.
#[inline]
pub fn vmctx_vmmemory_import_vmctx(&self, index: MemoryIndex) -> u32 {
self.vmctx_vmmemory_import(index) + u32::from(self.vmmemory_import_vmctx())
}
/// Return the offset to the `base` field in `VMMemoryDefinition` index `index`.
#[inline]
pub fn vmctx_vmmemory_definition_base(&self, index: OwnedMemoryIndex) -> u32 {
self.vmctx_vmmemory_definition(index) + u32::from(self.ptr.vmmemory_definition_base())
}
/// Return the offset to the `current_length` field in `VMMemoryDefinition` index `index`.
#[inline]
pub fn vmctx_vmmemory_definition_current_length(&self, index: OwnedMemoryIndex) -> u32 {
self.vmctx_vmmemory_definition(index)
+ u32::from(self.ptr.vmmemory_definition_current_length())
}
/// Return the offset to the `from` field in `VMGlobalImport` index `index`.
#[inline]
pub fn vmctx_vmglobal_import_from(&self, index: GlobalIndex) -> u32 {
self.vmctx_vmglobal_import(index) + u32::from(self.vmglobal_import_from())
}
}
/// Offsets for `VMExternData`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the offset for `VMExternData::ref_count`.
#[inline]
pub fn vm_extern_data_ref_count(&self) -> u32 {
0
}
}
/// Offsets for `VMExternRefActivationsTable`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the offset for `VMExternRefActivationsTable::next`.
#[inline]
pub fn vm_extern_ref_activation_table_next(&self) -> u32 {
0
}
/// Return the offset for `VMExternRefActivationsTable::end`.
#[inline]
pub fn vm_extern_ref_activation_table_end(&self) -> u32 {
self.pointer_size().into()
}sourcepub fn region_sizes(&self) -> impl Iterator<Item = (&str, u32)>
pub fn region_sizes(&self) -> impl Iterator<Item = (&str, u32)>
Returns an iterator which provides a human readable description and a
byte size. The iterator returned will iterate over the bytes allocated
to the entire VMOffsets structure to explain where each byte size is
coming from.
source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
sourcepub fn vmfunction_import_body(&self) -> u8
pub fn vmfunction_import_body(&self) -> u8
The offset of the body field.
sourcepub fn vmfunction_import_vmctx(&self) -> u8
pub fn vmfunction_import_vmctx(&self) -> u8
The offset of the vmctx field.
sourcepub fn size_of_vmfunction_import(&self) -> u8
pub fn size_of_vmfunction_import(&self) -> u8
Return the size of VMFunctionImport.
Examples found in repository?
src/vmoffsets.rs (line 413)
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fn from(fields: VMOffsetsFields<P>) -> VMOffsets<P> {
let mut ret = Self {
ptr: fields.ptr,
num_imported_functions: fields.num_imported_functions,
num_imported_tables: fields.num_imported_tables,
num_imported_memories: fields.num_imported_memories,
num_imported_globals: fields.num_imported_globals,
num_defined_tables: fields.num_defined_tables,
num_defined_memories: fields.num_defined_memories,
num_owned_memories: fields.num_owned_memories,
num_defined_globals: fields.num_defined_globals,
num_escaped_funcs: fields.num_escaped_funcs,
magic: 0,
runtime_limits: 0,
callee: 0,
epoch_ptr: 0,
externref_activations_table: 0,
store: 0,
builtin_functions: 0,
signature_ids: 0,
imported_functions: 0,
imported_tables: 0,
imported_memories: 0,
imported_globals: 0,
defined_tables: 0,
defined_memories: 0,
owned_memories: 0,
defined_globals: 0,
defined_anyfuncs: 0,
size: 0,
};
// Convenience functions for checked addition and multiplication.
// As side effect this reduces binary size by using only a single
// `#[track_caller]` location for each function instead of one for
// each individual invocation.
#[inline]
fn cadd(count: u32, size: u32) -> u32 {
count.checked_add(size).unwrap()
}
#[inline]
fn cmul(count: u32, size: u8) -> u32 {
count.checked_mul(u32::from(size)).unwrap()
}
let mut next_field_offset = 0;
macro_rules! fields {
(size($field:ident) = $size:expr, $($rest:tt)*) => {
ret.$field = next_field_offset;
next_field_offset = cadd(next_field_offset, u32::from($size));
fields!($($rest)*);
};
(align($align:expr), $($rest:tt)*) => {
next_field_offset = align(next_field_offset, $align);
fields!($($rest)*);
};
() => {};
}
fields! {
size(magic) = 4u32,
align(u32::from(ret.ptr.size())),
size(runtime_limits) = ret.ptr.size(),
size(callee) = ret.ptr.size(),
size(epoch_ptr) = ret.ptr.size(),
size(externref_activations_table) = ret.ptr.size(),
size(store) = ret.ptr.size() * 2,
size(builtin_functions) = ret.pointer_size(),
size(signature_ids) = ret.ptr.size(),
size(imported_functions)
= cmul(ret.num_imported_functions, ret.size_of_vmfunction_import()),
size(imported_tables)
= cmul(ret.num_imported_tables, ret.size_of_vmtable_import()),
size(imported_memories)
= cmul(ret.num_imported_memories, ret.size_of_vmmemory_import()),
size(imported_globals)
= cmul(ret.num_imported_globals, ret.size_of_vmglobal_import()),
size(defined_tables)
= cmul(ret.num_defined_tables, ret.size_of_vmtable_definition()),
size(defined_memories)
= cmul(ret.num_defined_memories, ret.ptr.size_of_vmmemory_pointer()),
size(owned_memories)
= cmul(ret.num_owned_memories, ret.ptr.size_of_vmmemory_definition()),
align(16),
size(defined_globals)
= cmul(ret.num_defined_globals, ret.ptr.size_of_vmglobal_definition()),
size(defined_anyfuncs) = cmul(
ret.num_escaped_funcs,
ret.ptr.size_of_vmcaller_checked_anyfunc(),
),
}
ret.size = next_field_offset;
// This is required by the implementation of `VMContext::instance` and
// `VMContext::instance_mut`. If this value changes then those locations
// need to be updated.
assert_eq!(ret.magic, 0);
return ret;
}
}
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `body` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmfunction_import_body(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmfunction_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMFunctionImport`.
#[inline]
pub fn size_of_vmfunction_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `*const VMFunctionBody`.
impl<P: PtrSize> VMOffsets<P> {
/// The size of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn size_of_vmfunction_body_ptr(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMTableImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmtable_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMTableImport`.
#[inline]
pub fn size_of_vmtable_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMTableDefinition`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `base` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_definition_base(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn vmtable_definition_current_elements(&self) -> u8 {
1 * self.pointer_size()
}
/// The size of the `current_elements` field.
#[inline]
pub fn size_of_vmtable_definition_current_elements(&self) -> u8 {
4
}
/// Return the size of `VMTableDefinition`.
#[inline]
pub fn size_of_vmtable_definition(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMMemoryImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmmemory_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmmemory_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMMemoryImport`.
#[inline]
pub fn size_of_vmmemory_import(&self) -> u8 {
3 * self.pointer_size()
}
}
/// Offsets for `VMGlobalImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmglobal_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// Return the size of `VMGlobalImport`.
#[allow(clippy::identity_op)]
#[inline]
pub fn size_of_vmglobal_import(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMSharedSignatureIndex`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the size of `VMSharedSignatureIndex`.
#[inline]
pub fn size_of_vmshared_signature_index(&self) -> u8 {
4
}
}
/// Offsets for `VMContext`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the offset to the `magic` value in this `VMContext`.
#[inline]
pub fn vmctx_magic(&self) -> u32 {
self.magic
}
/// Return the offset to the `VMRuntimeLimits` structure
#[inline]
pub fn vmctx_runtime_limits(&self) -> u32 {
self.runtime_limits
}
/// Return the offset to the `callee` member in this `VMContext`.
pub fn vmctx_callee(&self) -> u32 {
self.callee
}
/// Return the offset to the `*const AtomicU64` epoch-counter
/// pointer.
#[inline]
pub fn vmctx_epoch_ptr(&self) -> u32 {
self.epoch_ptr
}
/// The offset of the `*mut VMExternRefActivationsTable` member.
#[inline]
pub fn vmctx_externref_activations_table(&self) -> u32 {
self.externref_activations_table
}
/// The offset of the `*const dyn Store` member.
#[inline]
pub fn vmctx_store(&self) -> u32 {
self.store
}
/// The offset of the `signature_ids` array pointer.
#[inline]
pub fn vmctx_signature_ids_array(&self) -> u32 {
self.signature_ids
}
/// The offset of the `tables` array.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmctx_imported_functions_begin(&self) -> u32 {
self.imported_functions
}
/// The offset of the `tables` array.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmctx_imported_tables_begin(&self) -> u32 {
self.imported_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_imported_memories_begin(&self) -> u32 {
self.imported_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_imported_globals_begin(&self) -> u32 {
self.imported_globals
}
/// The offset of the `tables` array.
#[inline]
pub fn vmctx_tables_begin(&self) -> u32 {
self.defined_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_memories_begin(&self) -> u32 {
self.defined_memories
}
/// The offset of the `owned_memories` array.
#[inline]
pub fn vmctx_owned_memories_begin(&self) -> u32 {
self.owned_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_globals_begin(&self) -> u32 {
self.defined_globals
}
/// The offset of the `anyfuncs` array.
#[inline]
pub fn vmctx_anyfuncs_begin(&self) -> u32 {
self.defined_anyfuncs
}
/// The offset of the builtin functions array.
#[inline]
pub fn vmctx_builtin_functions(&self) -> u32 {
self.builtin_functions
}
/// Return the size of the `VMContext` allocation.
#[inline]
pub fn size_of_vmctx(&self) -> u32 {
self.size
}
/// Return the offset to `VMFunctionImport` index `index`.
#[inline]
pub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_functions);
self.vmctx_imported_functions_begin()
+ index.as_u32() * u32::from(self.size_of_vmfunction_import())
}source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for *const VMFunctionBody.
sourcepub fn size_of_vmfunction_body_ptr(&self) -> u8
pub fn size_of_vmfunction_body_ptr(&self) -> u8
The size of the current_elements field.
source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for VMTableImport.
sourcepub fn vmtable_import_from(&self) -> u8
pub fn vmtable_import_from(&self) -> u8
The offset of the from field.
sourcepub fn vmtable_import_vmctx(&self) -> u8
pub fn vmtable_import_vmctx(&self) -> u8
The offset of the vmctx field.
sourcepub fn size_of_vmtable_import(&self) -> u8
pub fn size_of_vmtable_import(&self) -> u8
Return the size of VMTableImport.
Examples found in repository?
src/vmoffsets.rs (line 415)
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fn from(fields: VMOffsetsFields<P>) -> VMOffsets<P> {
let mut ret = Self {
ptr: fields.ptr,
num_imported_functions: fields.num_imported_functions,
num_imported_tables: fields.num_imported_tables,
num_imported_memories: fields.num_imported_memories,
num_imported_globals: fields.num_imported_globals,
num_defined_tables: fields.num_defined_tables,
num_defined_memories: fields.num_defined_memories,
num_owned_memories: fields.num_owned_memories,
num_defined_globals: fields.num_defined_globals,
num_escaped_funcs: fields.num_escaped_funcs,
magic: 0,
runtime_limits: 0,
callee: 0,
epoch_ptr: 0,
externref_activations_table: 0,
store: 0,
builtin_functions: 0,
signature_ids: 0,
imported_functions: 0,
imported_tables: 0,
imported_memories: 0,
imported_globals: 0,
defined_tables: 0,
defined_memories: 0,
owned_memories: 0,
defined_globals: 0,
defined_anyfuncs: 0,
size: 0,
};
// Convenience functions for checked addition and multiplication.
// As side effect this reduces binary size by using only a single
// `#[track_caller]` location for each function instead of one for
// each individual invocation.
#[inline]
fn cadd(count: u32, size: u32) -> u32 {
count.checked_add(size).unwrap()
}
#[inline]
fn cmul(count: u32, size: u8) -> u32 {
count.checked_mul(u32::from(size)).unwrap()
}
let mut next_field_offset = 0;
macro_rules! fields {
(size($field:ident) = $size:expr, $($rest:tt)*) => {
ret.$field = next_field_offset;
next_field_offset = cadd(next_field_offset, u32::from($size));
fields!($($rest)*);
};
(align($align:expr), $($rest:tt)*) => {
next_field_offset = align(next_field_offset, $align);
fields!($($rest)*);
};
() => {};
}
fields! {
size(magic) = 4u32,
align(u32::from(ret.ptr.size())),
size(runtime_limits) = ret.ptr.size(),
size(callee) = ret.ptr.size(),
size(epoch_ptr) = ret.ptr.size(),
size(externref_activations_table) = ret.ptr.size(),
size(store) = ret.ptr.size() * 2,
size(builtin_functions) = ret.pointer_size(),
size(signature_ids) = ret.ptr.size(),
size(imported_functions)
= cmul(ret.num_imported_functions, ret.size_of_vmfunction_import()),
size(imported_tables)
= cmul(ret.num_imported_tables, ret.size_of_vmtable_import()),
size(imported_memories)
= cmul(ret.num_imported_memories, ret.size_of_vmmemory_import()),
size(imported_globals)
= cmul(ret.num_imported_globals, ret.size_of_vmglobal_import()),
size(defined_tables)
= cmul(ret.num_defined_tables, ret.size_of_vmtable_definition()),
size(defined_memories)
= cmul(ret.num_defined_memories, ret.ptr.size_of_vmmemory_pointer()),
size(owned_memories)
= cmul(ret.num_owned_memories, ret.ptr.size_of_vmmemory_definition()),
align(16),
size(defined_globals)
= cmul(ret.num_defined_globals, ret.ptr.size_of_vmglobal_definition()),
size(defined_anyfuncs) = cmul(
ret.num_escaped_funcs,
ret.ptr.size_of_vmcaller_checked_anyfunc(),
),
}
ret.size = next_field_offset;
// This is required by the implementation of `VMContext::instance` and
// `VMContext::instance_mut`. If this value changes then those locations
// need to be updated.
assert_eq!(ret.magic, 0);
return ret;
}
}
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `body` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmfunction_import_body(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmfunction_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMFunctionImport`.
#[inline]
pub fn size_of_vmfunction_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `*const VMFunctionBody`.
impl<P: PtrSize> VMOffsets<P> {
/// The size of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn size_of_vmfunction_body_ptr(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMTableImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmtable_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMTableImport`.
#[inline]
pub fn size_of_vmtable_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMTableDefinition`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `base` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_definition_base(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn vmtable_definition_current_elements(&self) -> u8 {
1 * self.pointer_size()
}
/// The size of the `current_elements` field.
#[inline]
pub fn size_of_vmtable_definition_current_elements(&self) -> u8 {
4
}
/// Return the size of `VMTableDefinition`.
#[inline]
pub fn size_of_vmtable_definition(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMMemoryImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmmemory_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmmemory_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMMemoryImport`.
#[inline]
pub fn size_of_vmmemory_import(&self) -> u8 {
3 * self.pointer_size()
}
}
/// Offsets for `VMGlobalImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmglobal_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// Return the size of `VMGlobalImport`.
#[allow(clippy::identity_op)]
#[inline]
pub fn size_of_vmglobal_import(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMSharedSignatureIndex`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the size of `VMSharedSignatureIndex`.
#[inline]
pub fn size_of_vmshared_signature_index(&self) -> u8 {
4
}
}
/// Offsets for `VMContext`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the offset to the `magic` value in this `VMContext`.
#[inline]
pub fn vmctx_magic(&self) -> u32 {
self.magic
}
/// Return the offset to the `VMRuntimeLimits` structure
#[inline]
pub fn vmctx_runtime_limits(&self) -> u32 {
self.runtime_limits
}
/// Return the offset to the `callee` member in this `VMContext`.
pub fn vmctx_callee(&self) -> u32 {
self.callee
}
/// Return the offset to the `*const AtomicU64` epoch-counter
/// pointer.
#[inline]
pub fn vmctx_epoch_ptr(&self) -> u32 {
self.epoch_ptr
}
/// The offset of the `*mut VMExternRefActivationsTable` member.
#[inline]
pub fn vmctx_externref_activations_table(&self) -> u32 {
self.externref_activations_table
}
/// The offset of the `*const dyn Store` member.
#[inline]
pub fn vmctx_store(&self) -> u32 {
self.store
}
/// The offset of the `signature_ids` array pointer.
#[inline]
pub fn vmctx_signature_ids_array(&self) -> u32 {
self.signature_ids
}
/// The offset of the `tables` array.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmctx_imported_functions_begin(&self) -> u32 {
self.imported_functions
}
/// The offset of the `tables` array.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmctx_imported_tables_begin(&self) -> u32 {
self.imported_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_imported_memories_begin(&self) -> u32 {
self.imported_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_imported_globals_begin(&self) -> u32 {
self.imported_globals
}
/// The offset of the `tables` array.
#[inline]
pub fn vmctx_tables_begin(&self) -> u32 {
self.defined_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_memories_begin(&self) -> u32 {
self.defined_memories
}
/// The offset of the `owned_memories` array.
#[inline]
pub fn vmctx_owned_memories_begin(&self) -> u32 {
self.owned_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_globals_begin(&self) -> u32 {
self.defined_globals
}
/// The offset of the `anyfuncs` array.
#[inline]
pub fn vmctx_anyfuncs_begin(&self) -> u32 {
self.defined_anyfuncs
}
/// The offset of the builtin functions array.
#[inline]
pub fn vmctx_builtin_functions(&self) -> u32 {
self.builtin_functions
}
/// Return the size of the `VMContext` allocation.
#[inline]
pub fn size_of_vmctx(&self) -> u32 {
self.size
}
/// Return the offset to `VMFunctionImport` index `index`.
#[inline]
pub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_functions);
self.vmctx_imported_functions_begin()
+ index.as_u32() * u32::from(self.size_of_vmfunction_import())
}
/// Return the offset to `VMTableImport` index `index`.
#[inline]
pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_tables);
self.vmctx_imported_tables_begin()
+ index.as_u32() * u32::from(self.size_of_vmtable_import())
}source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for VMTableDefinition.
sourcepub fn vmtable_definition_base(&self) -> u8
pub fn vmtable_definition_base(&self) -> u8
The offset of the base field.
sourcepub fn vmtable_definition_current_elements(&self) -> u8
pub fn vmtable_definition_current_elements(&self) -> u8
The offset of the current_elements field.
sourcepub fn size_of_vmtable_definition_current_elements(&self) -> u8
pub fn size_of_vmtable_definition_current_elements(&self) -> u8
The size of the current_elements field.
sourcepub fn size_of_vmtable_definition(&self) -> u8
pub fn size_of_vmtable_definition(&self) -> u8
Return the size of VMTableDefinition.
Examples found in repository?
src/vmoffsets.rs (line 421)
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fn from(fields: VMOffsetsFields<P>) -> VMOffsets<P> {
let mut ret = Self {
ptr: fields.ptr,
num_imported_functions: fields.num_imported_functions,
num_imported_tables: fields.num_imported_tables,
num_imported_memories: fields.num_imported_memories,
num_imported_globals: fields.num_imported_globals,
num_defined_tables: fields.num_defined_tables,
num_defined_memories: fields.num_defined_memories,
num_owned_memories: fields.num_owned_memories,
num_defined_globals: fields.num_defined_globals,
num_escaped_funcs: fields.num_escaped_funcs,
magic: 0,
runtime_limits: 0,
callee: 0,
epoch_ptr: 0,
externref_activations_table: 0,
store: 0,
builtin_functions: 0,
signature_ids: 0,
imported_functions: 0,
imported_tables: 0,
imported_memories: 0,
imported_globals: 0,
defined_tables: 0,
defined_memories: 0,
owned_memories: 0,
defined_globals: 0,
defined_anyfuncs: 0,
size: 0,
};
// Convenience functions for checked addition and multiplication.
// As side effect this reduces binary size by using only a single
// `#[track_caller]` location for each function instead of one for
// each individual invocation.
#[inline]
fn cadd(count: u32, size: u32) -> u32 {
count.checked_add(size).unwrap()
}
#[inline]
fn cmul(count: u32, size: u8) -> u32 {
count.checked_mul(u32::from(size)).unwrap()
}
let mut next_field_offset = 0;
macro_rules! fields {
(size($field:ident) = $size:expr, $($rest:tt)*) => {
ret.$field = next_field_offset;
next_field_offset = cadd(next_field_offset, u32::from($size));
fields!($($rest)*);
};
(align($align:expr), $($rest:tt)*) => {
next_field_offset = align(next_field_offset, $align);
fields!($($rest)*);
};
() => {};
}
fields! {
size(magic) = 4u32,
align(u32::from(ret.ptr.size())),
size(runtime_limits) = ret.ptr.size(),
size(callee) = ret.ptr.size(),
size(epoch_ptr) = ret.ptr.size(),
size(externref_activations_table) = ret.ptr.size(),
size(store) = ret.ptr.size() * 2,
size(builtin_functions) = ret.pointer_size(),
size(signature_ids) = ret.ptr.size(),
size(imported_functions)
= cmul(ret.num_imported_functions, ret.size_of_vmfunction_import()),
size(imported_tables)
= cmul(ret.num_imported_tables, ret.size_of_vmtable_import()),
size(imported_memories)
= cmul(ret.num_imported_memories, ret.size_of_vmmemory_import()),
size(imported_globals)
= cmul(ret.num_imported_globals, ret.size_of_vmglobal_import()),
size(defined_tables)
= cmul(ret.num_defined_tables, ret.size_of_vmtable_definition()),
size(defined_memories)
= cmul(ret.num_defined_memories, ret.ptr.size_of_vmmemory_pointer()),
size(owned_memories)
= cmul(ret.num_owned_memories, ret.ptr.size_of_vmmemory_definition()),
align(16),
size(defined_globals)
= cmul(ret.num_defined_globals, ret.ptr.size_of_vmglobal_definition()),
size(defined_anyfuncs) = cmul(
ret.num_escaped_funcs,
ret.ptr.size_of_vmcaller_checked_anyfunc(),
),
}
ret.size = next_field_offset;
// This is required by the implementation of `VMContext::instance` and
// `VMContext::instance_mut`. If this value changes then those locations
// need to be updated.
assert_eq!(ret.magic, 0);
return ret;
}
}
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `body` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmfunction_import_body(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmfunction_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMFunctionImport`.
#[inline]
pub fn size_of_vmfunction_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `*const VMFunctionBody`.
impl<P: PtrSize> VMOffsets<P> {
/// The size of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn size_of_vmfunction_body_ptr(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMTableImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmtable_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMTableImport`.
#[inline]
pub fn size_of_vmtable_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMTableDefinition`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `base` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_definition_base(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn vmtable_definition_current_elements(&self) -> u8 {
1 * self.pointer_size()
}
/// The size of the `current_elements` field.
#[inline]
pub fn size_of_vmtable_definition_current_elements(&self) -> u8 {
4
}
/// Return the size of `VMTableDefinition`.
#[inline]
pub fn size_of_vmtable_definition(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMMemoryImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmmemory_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmmemory_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMMemoryImport`.
#[inline]
pub fn size_of_vmmemory_import(&self) -> u8 {
3 * self.pointer_size()
}
}
/// Offsets for `VMGlobalImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmglobal_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// Return the size of `VMGlobalImport`.
#[allow(clippy::identity_op)]
#[inline]
pub fn size_of_vmglobal_import(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMSharedSignatureIndex`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the size of `VMSharedSignatureIndex`.
#[inline]
pub fn size_of_vmshared_signature_index(&self) -> u8 {
4
}
}
/// Offsets for `VMContext`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the offset to the `magic` value in this `VMContext`.
#[inline]
pub fn vmctx_magic(&self) -> u32 {
self.magic
}
/// Return the offset to the `VMRuntimeLimits` structure
#[inline]
pub fn vmctx_runtime_limits(&self) -> u32 {
self.runtime_limits
}
/// Return the offset to the `callee` member in this `VMContext`.
pub fn vmctx_callee(&self) -> u32 {
self.callee
}
/// Return the offset to the `*const AtomicU64` epoch-counter
/// pointer.
#[inline]
pub fn vmctx_epoch_ptr(&self) -> u32 {
self.epoch_ptr
}
/// The offset of the `*mut VMExternRefActivationsTable` member.
#[inline]
pub fn vmctx_externref_activations_table(&self) -> u32 {
self.externref_activations_table
}
/// The offset of the `*const dyn Store` member.
#[inline]
pub fn vmctx_store(&self) -> u32 {
self.store
}
/// The offset of the `signature_ids` array pointer.
#[inline]
pub fn vmctx_signature_ids_array(&self) -> u32 {
self.signature_ids
}
/// The offset of the `tables` array.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmctx_imported_functions_begin(&self) -> u32 {
self.imported_functions
}
/// The offset of the `tables` array.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmctx_imported_tables_begin(&self) -> u32 {
self.imported_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_imported_memories_begin(&self) -> u32 {
self.imported_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_imported_globals_begin(&self) -> u32 {
self.imported_globals
}
/// The offset of the `tables` array.
#[inline]
pub fn vmctx_tables_begin(&self) -> u32 {
self.defined_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_memories_begin(&self) -> u32 {
self.defined_memories
}
/// The offset of the `owned_memories` array.
#[inline]
pub fn vmctx_owned_memories_begin(&self) -> u32 {
self.owned_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_globals_begin(&self) -> u32 {
self.defined_globals
}
/// The offset of the `anyfuncs` array.
#[inline]
pub fn vmctx_anyfuncs_begin(&self) -> u32 {
self.defined_anyfuncs
}
/// The offset of the builtin functions array.
#[inline]
pub fn vmctx_builtin_functions(&self) -> u32 {
self.builtin_functions
}
/// Return the size of the `VMContext` allocation.
#[inline]
pub fn size_of_vmctx(&self) -> u32 {
self.size
}
/// Return the offset to `VMFunctionImport` index `index`.
#[inline]
pub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_functions);
self.vmctx_imported_functions_begin()
+ index.as_u32() * u32::from(self.size_of_vmfunction_import())
}
/// Return the offset to `VMTableImport` index `index`.
#[inline]
pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_tables);
self.vmctx_imported_tables_begin()
+ index.as_u32() * u32::from(self.size_of_vmtable_import())
}
/// Return the offset to `VMMemoryImport` index `index`.
#[inline]
pub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_memories);
self.vmctx_imported_memories_begin()
+ index.as_u32() * u32::from(self.size_of_vmmemory_import())
}
/// Return the offset to `VMGlobalImport` index `index`.
#[inline]
pub fn vmctx_vmglobal_import(&self, index: GlobalIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_globals);
self.vmctx_imported_globals_begin()
+ index.as_u32() * u32::from(self.size_of_vmglobal_import())
}
/// Return the offset to `VMTableDefinition` index `index`.
#[inline]
pub fn vmctx_vmtable_definition(&self, index: DefinedTableIndex) -> u32 {
assert!(index.as_u32() < self.num_defined_tables);
self.vmctx_tables_begin() + index.as_u32() * u32::from(self.size_of_vmtable_definition())
}source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for VMMemoryImport.
sourcepub fn vmmemory_import_from(&self) -> u8
pub fn vmmemory_import_from(&self) -> u8
The offset of the from field.
sourcepub fn vmmemory_import_vmctx(&self) -> u8
pub fn vmmemory_import_vmctx(&self) -> u8
The offset of the vmctx field.
sourcepub fn size_of_vmmemory_import(&self) -> u8
pub fn size_of_vmmemory_import(&self) -> u8
Return the size of VMMemoryImport.
Examples found in repository?
src/vmoffsets.rs (line 417)
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fn from(fields: VMOffsetsFields<P>) -> VMOffsets<P> {
let mut ret = Self {
ptr: fields.ptr,
num_imported_functions: fields.num_imported_functions,
num_imported_tables: fields.num_imported_tables,
num_imported_memories: fields.num_imported_memories,
num_imported_globals: fields.num_imported_globals,
num_defined_tables: fields.num_defined_tables,
num_defined_memories: fields.num_defined_memories,
num_owned_memories: fields.num_owned_memories,
num_defined_globals: fields.num_defined_globals,
num_escaped_funcs: fields.num_escaped_funcs,
magic: 0,
runtime_limits: 0,
callee: 0,
epoch_ptr: 0,
externref_activations_table: 0,
store: 0,
builtin_functions: 0,
signature_ids: 0,
imported_functions: 0,
imported_tables: 0,
imported_memories: 0,
imported_globals: 0,
defined_tables: 0,
defined_memories: 0,
owned_memories: 0,
defined_globals: 0,
defined_anyfuncs: 0,
size: 0,
};
// Convenience functions for checked addition and multiplication.
// As side effect this reduces binary size by using only a single
// `#[track_caller]` location for each function instead of one for
// each individual invocation.
#[inline]
fn cadd(count: u32, size: u32) -> u32 {
count.checked_add(size).unwrap()
}
#[inline]
fn cmul(count: u32, size: u8) -> u32 {
count.checked_mul(u32::from(size)).unwrap()
}
let mut next_field_offset = 0;
macro_rules! fields {
(size($field:ident) = $size:expr, $($rest:tt)*) => {
ret.$field = next_field_offset;
next_field_offset = cadd(next_field_offset, u32::from($size));
fields!($($rest)*);
};
(align($align:expr), $($rest:tt)*) => {
next_field_offset = align(next_field_offset, $align);
fields!($($rest)*);
};
() => {};
}
fields! {
size(magic) = 4u32,
align(u32::from(ret.ptr.size())),
size(runtime_limits) = ret.ptr.size(),
size(callee) = ret.ptr.size(),
size(epoch_ptr) = ret.ptr.size(),
size(externref_activations_table) = ret.ptr.size(),
size(store) = ret.ptr.size() * 2,
size(builtin_functions) = ret.pointer_size(),
size(signature_ids) = ret.ptr.size(),
size(imported_functions)
= cmul(ret.num_imported_functions, ret.size_of_vmfunction_import()),
size(imported_tables)
= cmul(ret.num_imported_tables, ret.size_of_vmtable_import()),
size(imported_memories)
= cmul(ret.num_imported_memories, ret.size_of_vmmemory_import()),
size(imported_globals)
= cmul(ret.num_imported_globals, ret.size_of_vmglobal_import()),
size(defined_tables)
= cmul(ret.num_defined_tables, ret.size_of_vmtable_definition()),
size(defined_memories)
= cmul(ret.num_defined_memories, ret.ptr.size_of_vmmemory_pointer()),
size(owned_memories)
= cmul(ret.num_owned_memories, ret.ptr.size_of_vmmemory_definition()),
align(16),
size(defined_globals)
= cmul(ret.num_defined_globals, ret.ptr.size_of_vmglobal_definition()),
size(defined_anyfuncs) = cmul(
ret.num_escaped_funcs,
ret.ptr.size_of_vmcaller_checked_anyfunc(),
),
}
ret.size = next_field_offset;
// This is required by the implementation of `VMContext::instance` and
// `VMContext::instance_mut`. If this value changes then those locations
// need to be updated.
assert_eq!(ret.magic, 0);
return ret;
}
}
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `body` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmfunction_import_body(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmfunction_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMFunctionImport`.
#[inline]
pub fn size_of_vmfunction_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `*const VMFunctionBody`.
impl<P: PtrSize> VMOffsets<P> {
/// The size of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn size_of_vmfunction_body_ptr(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMTableImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmtable_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMTableImport`.
#[inline]
pub fn size_of_vmtable_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMTableDefinition`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `base` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_definition_base(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn vmtable_definition_current_elements(&self) -> u8 {
1 * self.pointer_size()
}
/// The size of the `current_elements` field.
#[inline]
pub fn size_of_vmtable_definition_current_elements(&self) -> u8 {
4
}
/// Return the size of `VMTableDefinition`.
#[inline]
pub fn size_of_vmtable_definition(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMMemoryImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmmemory_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmmemory_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMMemoryImport`.
#[inline]
pub fn size_of_vmmemory_import(&self) -> u8 {
3 * self.pointer_size()
}
}
/// Offsets for `VMGlobalImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmglobal_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// Return the size of `VMGlobalImport`.
#[allow(clippy::identity_op)]
#[inline]
pub fn size_of_vmglobal_import(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMSharedSignatureIndex`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the size of `VMSharedSignatureIndex`.
#[inline]
pub fn size_of_vmshared_signature_index(&self) -> u8 {
4
}
}
/// Offsets for `VMContext`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the offset to the `magic` value in this `VMContext`.
#[inline]
pub fn vmctx_magic(&self) -> u32 {
self.magic
}
/// Return the offset to the `VMRuntimeLimits` structure
#[inline]
pub fn vmctx_runtime_limits(&self) -> u32 {
self.runtime_limits
}
/// Return the offset to the `callee` member in this `VMContext`.
pub fn vmctx_callee(&self) -> u32 {
self.callee
}
/// Return the offset to the `*const AtomicU64` epoch-counter
/// pointer.
#[inline]
pub fn vmctx_epoch_ptr(&self) -> u32 {
self.epoch_ptr
}
/// The offset of the `*mut VMExternRefActivationsTable` member.
#[inline]
pub fn vmctx_externref_activations_table(&self) -> u32 {
self.externref_activations_table
}
/// The offset of the `*const dyn Store` member.
#[inline]
pub fn vmctx_store(&self) -> u32 {
self.store
}
/// The offset of the `signature_ids` array pointer.
#[inline]
pub fn vmctx_signature_ids_array(&self) -> u32 {
self.signature_ids
}
/// The offset of the `tables` array.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmctx_imported_functions_begin(&self) -> u32 {
self.imported_functions
}
/// The offset of the `tables` array.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmctx_imported_tables_begin(&self) -> u32 {
self.imported_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_imported_memories_begin(&self) -> u32 {
self.imported_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_imported_globals_begin(&self) -> u32 {
self.imported_globals
}
/// The offset of the `tables` array.
#[inline]
pub fn vmctx_tables_begin(&self) -> u32 {
self.defined_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_memories_begin(&self) -> u32 {
self.defined_memories
}
/// The offset of the `owned_memories` array.
#[inline]
pub fn vmctx_owned_memories_begin(&self) -> u32 {
self.owned_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_globals_begin(&self) -> u32 {
self.defined_globals
}
/// The offset of the `anyfuncs` array.
#[inline]
pub fn vmctx_anyfuncs_begin(&self) -> u32 {
self.defined_anyfuncs
}
/// The offset of the builtin functions array.
#[inline]
pub fn vmctx_builtin_functions(&self) -> u32 {
self.builtin_functions
}
/// Return the size of the `VMContext` allocation.
#[inline]
pub fn size_of_vmctx(&self) -> u32 {
self.size
}
/// Return the offset to `VMFunctionImport` index `index`.
#[inline]
pub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_functions);
self.vmctx_imported_functions_begin()
+ index.as_u32() * u32::from(self.size_of_vmfunction_import())
}
/// Return the offset to `VMTableImport` index `index`.
#[inline]
pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_tables);
self.vmctx_imported_tables_begin()
+ index.as_u32() * u32::from(self.size_of_vmtable_import())
}
/// Return the offset to `VMMemoryImport` index `index`.
#[inline]
pub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_memories);
self.vmctx_imported_memories_begin()
+ index.as_u32() * u32::from(self.size_of_vmmemory_import())
}source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for VMGlobalImport.
sourcepub fn vmglobal_import_from(&self) -> u8
pub fn vmglobal_import_from(&self) -> u8
The offset of the from field.
sourcepub fn size_of_vmglobal_import(&self) -> u8
pub fn size_of_vmglobal_import(&self) -> u8
Return the size of VMGlobalImport.
Examples found in repository?
src/vmoffsets.rs (line 419)
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fn from(fields: VMOffsetsFields<P>) -> VMOffsets<P> {
let mut ret = Self {
ptr: fields.ptr,
num_imported_functions: fields.num_imported_functions,
num_imported_tables: fields.num_imported_tables,
num_imported_memories: fields.num_imported_memories,
num_imported_globals: fields.num_imported_globals,
num_defined_tables: fields.num_defined_tables,
num_defined_memories: fields.num_defined_memories,
num_owned_memories: fields.num_owned_memories,
num_defined_globals: fields.num_defined_globals,
num_escaped_funcs: fields.num_escaped_funcs,
magic: 0,
runtime_limits: 0,
callee: 0,
epoch_ptr: 0,
externref_activations_table: 0,
store: 0,
builtin_functions: 0,
signature_ids: 0,
imported_functions: 0,
imported_tables: 0,
imported_memories: 0,
imported_globals: 0,
defined_tables: 0,
defined_memories: 0,
owned_memories: 0,
defined_globals: 0,
defined_anyfuncs: 0,
size: 0,
};
// Convenience functions for checked addition and multiplication.
// As side effect this reduces binary size by using only a single
// `#[track_caller]` location for each function instead of one for
// each individual invocation.
#[inline]
fn cadd(count: u32, size: u32) -> u32 {
count.checked_add(size).unwrap()
}
#[inline]
fn cmul(count: u32, size: u8) -> u32 {
count.checked_mul(u32::from(size)).unwrap()
}
let mut next_field_offset = 0;
macro_rules! fields {
(size($field:ident) = $size:expr, $($rest:tt)*) => {
ret.$field = next_field_offset;
next_field_offset = cadd(next_field_offset, u32::from($size));
fields!($($rest)*);
};
(align($align:expr), $($rest:tt)*) => {
next_field_offset = align(next_field_offset, $align);
fields!($($rest)*);
};
() => {};
}
fields! {
size(magic) = 4u32,
align(u32::from(ret.ptr.size())),
size(runtime_limits) = ret.ptr.size(),
size(callee) = ret.ptr.size(),
size(epoch_ptr) = ret.ptr.size(),
size(externref_activations_table) = ret.ptr.size(),
size(store) = ret.ptr.size() * 2,
size(builtin_functions) = ret.pointer_size(),
size(signature_ids) = ret.ptr.size(),
size(imported_functions)
= cmul(ret.num_imported_functions, ret.size_of_vmfunction_import()),
size(imported_tables)
= cmul(ret.num_imported_tables, ret.size_of_vmtable_import()),
size(imported_memories)
= cmul(ret.num_imported_memories, ret.size_of_vmmemory_import()),
size(imported_globals)
= cmul(ret.num_imported_globals, ret.size_of_vmglobal_import()),
size(defined_tables)
= cmul(ret.num_defined_tables, ret.size_of_vmtable_definition()),
size(defined_memories)
= cmul(ret.num_defined_memories, ret.ptr.size_of_vmmemory_pointer()),
size(owned_memories)
= cmul(ret.num_owned_memories, ret.ptr.size_of_vmmemory_definition()),
align(16),
size(defined_globals)
= cmul(ret.num_defined_globals, ret.ptr.size_of_vmglobal_definition()),
size(defined_anyfuncs) = cmul(
ret.num_escaped_funcs,
ret.ptr.size_of_vmcaller_checked_anyfunc(),
),
}
ret.size = next_field_offset;
// This is required by the implementation of `VMContext::instance` and
// `VMContext::instance_mut`. If this value changes then those locations
// need to be updated.
assert_eq!(ret.magic, 0);
return ret;
}
}
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `body` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmfunction_import_body(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmfunction_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMFunctionImport`.
#[inline]
pub fn size_of_vmfunction_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `*const VMFunctionBody`.
impl<P: PtrSize> VMOffsets<P> {
/// The size of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn size_of_vmfunction_body_ptr(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMTableImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmtable_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMTableImport`.
#[inline]
pub fn size_of_vmtable_import(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMTableDefinition`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `base` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmtable_definition_base(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `current_elements` field.
#[allow(clippy::identity_op)]
pub fn vmtable_definition_current_elements(&self) -> u8 {
1 * self.pointer_size()
}
/// The size of the `current_elements` field.
#[inline]
pub fn size_of_vmtable_definition_current_elements(&self) -> u8 {
4
}
/// Return the size of `VMTableDefinition`.
#[inline]
pub fn size_of_vmtable_definition(&self) -> u8 {
2 * self.pointer_size()
}
}
/// Offsets for `VMMemoryImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmmemory_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// The offset of the `vmctx` field.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmmemory_import_vmctx(&self) -> u8 {
1 * self.pointer_size()
}
/// Return the size of `VMMemoryImport`.
#[inline]
pub fn size_of_vmmemory_import(&self) -> u8 {
3 * self.pointer_size()
}
}
/// Offsets for `VMGlobalImport`.
impl<P: PtrSize> VMOffsets<P> {
/// The offset of the `from` field.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmglobal_import_from(&self) -> u8 {
0 * self.pointer_size()
}
/// Return the size of `VMGlobalImport`.
#[allow(clippy::identity_op)]
#[inline]
pub fn size_of_vmglobal_import(&self) -> u8 {
1 * self.pointer_size()
}
}
/// Offsets for `VMSharedSignatureIndex`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the size of `VMSharedSignatureIndex`.
#[inline]
pub fn size_of_vmshared_signature_index(&self) -> u8 {
4
}
}
/// Offsets for `VMContext`.
impl<P: PtrSize> VMOffsets<P> {
/// Return the offset to the `magic` value in this `VMContext`.
#[inline]
pub fn vmctx_magic(&self) -> u32 {
self.magic
}
/// Return the offset to the `VMRuntimeLimits` structure
#[inline]
pub fn vmctx_runtime_limits(&self) -> u32 {
self.runtime_limits
}
/// Return the offset to the `callee` member in this `VMContext`.
pub fn vmctx_callee(&self) -> u32 {
self.callee
}
/// Return the offset to the `*const AtomicU64` epoch-counter
/// pointer.
#[inline]
pub fn vmctx_epoch_ptr(&self) -> u32 {
self.epoch_ptr
}
/// The offset of the `*mut VMExternRefActivationsTable` member.
#[inline]
pub fn vmctx_externref_activations_table(&self) -> u32 {
self.externref_activations_table
}
/// The offset of the `*const dyn Store` member.
#[inline]
pub fn vmctx_store(&self) -> u32 {
self.store
}
/// The offset of the `signature_ids` array pointer.
#[inline]
pub fn vmctx_signature_ids_array(&self) -> u32 {
self.signature_ids
}
/// The offset of the `tables` array.
#[allow(clippy::erasing_op)]
#[inline]
pub fn vmctx_imported_functions_begin(&self) -> u32 {
self.imported_functions
}
/// The offset of the `tables` array.
#[allow(clippy::identity_op)]
#[inline]
pub fn vmctx_imported_tables_begin(&self) -> u32 {
self.imported_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_imported_memories_begin(&self) -> u32 {
self.imported_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_imported_globals_begin(&self) -> u32 {
self.imported_globals
}
/// The offset of the `tables` array.
#[inline]
pub fn vmctx_tables_begin(&self) -> u32 {
self.defined_tables
}
/// The offset of the `memories` array.
#[inline]
pub fn vmctx_memories_begin(&self) -> u32 {
self.defined_memories
}
/// The offset of the `owned_memories` array.
#[inline]
pub fn vmctx_owned_memories_begin(&self) -> u32 {
self.owned_memories
}
/// The offset of the `globals` array.
#[inline]
pub fn vmctx_globals_begin(&self) -> u32 {
self.defined_globals
}
/// The offset of the `anyfuncs` array.
#[inline]
pub fn vmctx_anyfuncs_begin(&self) -> u32 {
self.defined_anyfuncs
}
/// The offset of the builtin functions array.
#[inline]
pub fn vmctx_builtin_functions(&self) -> u32 {
self.builtin_functions
}
/// Return the size of the `VMContext` allocation.
#[inline]
pub fn size_of_vmctx(&self) -> u32 {
self.size
}
/// Return the offset to `VMFunctionImport` index `index`.
#[inline]
pub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_functions);
self.vmctx_imported_functions_begin()
+ index.as_u32() * u32::from(self.size_of_vmfunction_import())
}
/// Return the offset to `VMTableImport` index `index`.
#[inline]
pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_tables);
self.vmctx_imported_tables_begin()
+ index.as_u32() * u32::from(self.size_of_vmtable_import())
}
/// Return the offset to `VMMemoryImport` index `index`.
#[inline]
pub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_memories);
self.vmctx_imported_memories_begin()
+ index.as_u32() * u32::from(self.size_of_vmmemory_import())
}
/// Return the offset to `VMGlobalImport` index `index`.
#[inline]
pub fn vmctx_vmglobal_import(&self, index: GlobalIndex) -> u32 {
assert!(index.as_u32() < self.num_imported_globals);
self.vmctx_imported_globals_begin()
+ index.as_u32() * u32::from(self.size_of_vmglobal_import())
}source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for VMSharedSignatureIndex.
Return the size of VMSharedSignatureIndex.
source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for VMContext.
sourcepub fn vmctx_magic(&self) -> u32
pub fn vmctx_magic(&self) -> u32
Return the offset to the magic value in this VMContext.
sourcepub fn vmctx_runtime_limits(&self) -> u32
pub fn vmctx_runtime_limits(&self) -> u32
Return the offset to the VMRuntimeLimits structure
sourcepub fn vmctx_callee(&self) -> u32
pub fn vmctx_callee(&self) -> u32
Return the offset to the callee member in this VMContext.
sourcepub fn vmctx_epoch_ptr(&self) -> u32
pub fn vmctx_epoch_ptr(&self) -> u32
Return the offset to the *const AtomicU64 epoch-counter
pointer.
sourcepub fn vmctx_externref_activations_table(&self) -> u32
pub fn vmctx_externref_activations_table(&self) -> u32
The offset of the *mut VMExternRefActivationsTable member.
sourcepub fn vmctx_store(&self) -> u32
pub fn vmctx_store(&self) -> u32
The offset of the *const dyn Store member.
sourcepub fn vmctx_signature_ids_array(&self) -> u32
pub fn vmctx_signature_ids_array(&self) -> u32
The offset of the signature_ids array pointer.
sourcepub fn vmctx_imported_functions_begin(&self) -> u32
pub fn vmctx_imported_functions_begin(&self) -> u32
The offset of the tables array.
sourcepub fn vmctx_imported_tables_begin(&self) -> u32
pub fn vmctx_imported_tables_begin(&self) -> u32
The offset of the tables array.
sourcepub fn vmctx_imported_memories_begin(&self) -> u32
pub fn vmctx_imported_memories_begin(&self) -> u32
The offset of the memories array.
sourcepub fn vmctx_imported_globals_begin(&self) -> u32
pub fn vmctx_imported_globals_begin(&self) -> u32
The offset of the globals array.
sourcepub fn vmctx_tables_begin(&self) -> u32
pub fn vmctx_tables_begin(&self) -> u32
The offset of the tables array.
sourcepub fn vmctx_memories_begin(&self) -> u32
pub fn vmctx_memories_begin(&self) -> u32
The offset of the memories array.
sourcepub fn vmctx_owned_memories_begin(&self) -> u32
pub fn vmctx_owned_memories_begin(&self) -> u32
The offset of the owned_memories array.
sourcepub fn vmctx_globals_begin(&self) -> u32
pub fn vmctx_globals_begin(&self) -> u32
The offset of the globals array.
sourcepub fn vmctx_anyfuncs_begin(&self) -> u32
pub fn vmctx_anyfuncs_begin(&self) -> u32
The offset of the anyfuncs array.
sourcepub fn vmctx_builtin_functions(&self) -> u32
pub fn vmctx_builtin_functions(&self) -> u32
The offset of the builtin functions array.
sourcepub fn size_of_vmctx(&self) -> u32
pub fn size_of_vmctx(&self) -> u32
Return the size of the VMContext allocation.
sourcepub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32
pub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32
Return the offset to VMFunctionImport index index.
sourcepub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32
pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32
Return the offset to VMTableImport index index.
sourcepub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32
pub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32
Return the offset to VMMemoryImport index index.
sourcepub fn vmctx_vmglobal_import(&self, index: GlobalIndex) -> u32
pub fn vmctx_vmglobal_import(&self, index: GlobalIndex) -> u32
Return the offset to VMGlobalImport index index.
sourcepub fn vmctx_vmtable_definition(&self, index: DefinedTableIndex) -> u32
pub fn vmctx_vmtable_definition(&self, index: DefinedTableIndex) -> u32
Return the offset to VMTableDefinition index index.
sourcepub fn vmctx_vmmemory_pointer(&self, index: DefinedMemoryIndex) -> u32
pub fn vmctx_vmmemory_pointer(&self, index: DefinedMemoryIndex) -> u32
Return the offset to the *mut VMMemoryDefinition at index index.
sourcepub fn vmctx_vmmemory_definition(&self, index: OwnedMemoryIndex) -> u32
pub fn vmctx_vmmemory_definition(&self, index: OwnedMemoryIndex) -> u32
Return the offset to the owned VMMemoryDefinition at index index.
sourcepub fn vmctx_vmglobal_definition(&self, index: DefinedGlobalIndex) -> u32
pub fn vmctx_vmglobal_definition(&self, index: DefinedGlobalIndex) -> u32
Return the offset to the VMGlobalDefinition index index.
sourcepub fn vmctx_anyfunc(&self, index: AnyfuncIndex) -> u32
pub fn vmctx_anyfunc(&self, index: AnyfuncIndex) -> u32
Return the offset to the VMCallerCheckedAnyfunc for the given function
index (either imported or defined).
sourcepub fn vmctx_vmfunction_import_body(&self, index: FuncIndex) -> u32
pub fn vmctx_vmfunction_import_body(&self, index: FuncIndex) -> u32
Return the offset to the body field in *const VMFunctionBody index index.
sourcepub fn vmctx_vmfunction_import_vmctx(&self, index: FuncIndex) -> u32
pub fn vmctx_vmfunction_import_vmctx(&self, index: FuncIndex) -> u32
Return the offset to the vmctx field in *const VMFunctionBody index index.
sourcepub fn vmctx_vmtable_import_from(&self, index: TableIndex) -> u32
pub fn vmctx_vmtable_import_from(&self, index: TableIndex) -> u32
Return the offset to the from field in VMTableImport index index.
sourcepub fn vmctx_vmtable_definition_base(&self, index: DefinedTableIndex) -> u32
pub fn vmctx_vmtable_definition_base(&self, index: DefinedTableIndex) -> u32
Return the offset to the base field in VMTableDefinition index index.
sourcepub fn vmctx_vmtable_definition_current_elements(
&self,
index: DefinedTableIndex
) -> u32
pub fn vmctx_vmtable_definition_current_elements(
&self,
index: DefinedTableIndex
) -> u32
Return the offset to the current_elements field in VMTableDefinition index index.
sourcepub fn vmctx_vmmemory_import_from(&self, index: MemoryIndex) -> u32
pub fn vmctx_vmmemory_import_from(&self, index: MemoryIndex) -> u32
Return the offset to the from field in VMMemoryImport index index.
sourcepub fn vmctx_vmmemory_import_vmctx(&self, index: MemoryIndex) -> u32
pub fn vmctx_vmmemory_import_vmctx(&self, index: MemoryIndex) -> u32
Return the offset to the vmctx field in VMMemoryImport index index.
sourcepub fn vmctx_vmmemory_definition_base(&self, index: OwnedMemoryIndex) -> u32
pub fn vmctx_vmmemory_definition_base(&self, index: OwnedMemoryIndex) -> u32
Return the offset to the base field in VMMemoryDefinition index index.
sourcepub fn vmctx_vmmemory_definition_current_length(
&self,
index: OwnedMemoryIndex
) -> u32
pub fn vmctx_vmmemory_definition_current_length(
&self,
index: OwnedMemoryIndex
) -> u32
Return the offset to the current_length field in VMMemoryDefinition index index.
sourcepub fn vmctx_vmglobal_import_from(&self, index: GlobalIndex) -> u32
pub fn vmctx_vmglobal_import_from(&self, index: GlobalIndex) -> u32
Return the offset to the from field in VMGlobalImport index index.
source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for VMExternData.
sourcepub fn vm_extern_data_ref_count(&self) -> u32
pub fn vm_extern_data_ref_count(&self) -> u32
Return the offset for VMExternData::ref_count.
source§impl<P: PtrSize> VMOffsets<P>
impl<P: PtrSize> VMOffsets<P>
Offsets for VMExternRefActivationsTable.
sourcepub fn vm_extern_ref_activation_table_next(&self) -> u32
pub fn vm_extern_ref_activation_table_next(&self) -> u32
Return the offset for VMExternRefActivationsTable::next.
sourcepub fn vm_extern_ref_activation_table_end(&self) -> u32
pub fn vm_extern_ref_activation_table_end(&self) -> u32
Return the offset for VMExternRefActivationsTable::end.
Trait Implementations§
source§impl<P: PtrSize> From<VMOffsetsFields<P>> for VMOffsets<P>
impl<P: PtrSize> From<VMOffsetsFields<P>> for VMOffsets<P>
source§fn from(fields: VMOffsetsFields<P>) -> VMOffsets<P>
fn from(fields: VMOffsetsFields<P>) -> VMOffsets<P>
Converts to this type from the input type.