interpret: rename base_pointer -> root_pointer

also in Miri, "base tag" -> "root tag"
This commit is contained in:
Ralf Jung 2024-04-16 18:37:56 +02:00
parent 9e239bdc76
commit ae7b07f2dc
14 changed files with 53 additions and 53 deletions

View file

@ -288,15 +288,15 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized {
}
/// Return the `AllocId` for the given thread-local static in the current thread.
fn thread_local_static_base_pointer(
fn thread_local_static_pointer(
_ecx: &mut InterpCx<'mir, 'tcx, Self>,
def_id: DefId,
) -> InterpResult<'tcx, Pointer<Self::Provenance>> {
throw_unsup!(ThreadLocalStatic(def_id))
}
/// Return the root pointer for the given `extern static`.
fn extern_static_base_pointer(
/// Return the `AllocId` for the given `extern static`.
fn extern_static_pointer(
ecx: &InterpCx<'mir, 'tcx, Self>,
def_id: DefId,
) -> InterpResult<'tcx, Pointer<Self::Provenance>>;
@ -354,7 +354,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized {
///
/// `kind` is the kind of the allocation the pointer points to; it can be `None` when
/// it's a global and `GLOBAL_KIND` is `None`.
fn adjust_alloc_base_pointer(
fn adjust_alloc_root_pointer(
ecx: &InterpCx<'mir, 'tcx, Self>,
ptr: Pointer,
kind: Option<MemoryKind<Self::MemoryKind>>,
@ -598,7 +598,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) {
Ok(alloc)
}
fn extern_static_base_pointer(
fn extern_static_pointer(
ecx: &InterpCx<$mir, $tcx, Self>,
def_id: DefId,
) -> InterpResult<$tcx, Pointer> {
@ -607,7 +607,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) {
}
#[inline(always)]
fn adjust_alloc_base_pointer(
fn adjust_alloc_root_pointer(
_ecx: &InterpCx<$mir, $tcx, Self>,
ptr: Pointer<CtfeProvenance>,
_kind: Option<MemoryKind<Self::MemoryKind>>,

View file

@ -165,7 +165,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
///
/// This function can fail only if `ptr` points to an `extern static`.
#[inline]
pub fn global_base_pointer(
pub fn global_root_pointer(
&self,
ptr: Pointer<CtfeProvenance>,
) -> InterpResult<'tcx, Pointer<M::Provenance>> {
@ -178,7 +178,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
bug!("global memory cannot point to thread-local static")
}
Some(GlobalAlloc::Static(def_id)) if self.tcx.is_foreign_item(def_id) => {
return M::extern_static_base_pointer(self, def_id);
return M::extern_static_pointer(self, def_id);
}
None => {
assert!(
@ -189,7 +189,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
_ => {}
}
// And we need to get the provenance.
M::adjust_alloc_base_pointer(self, ptr, M::GLOBAL_KIND.map(MemoryKind::Machine))
M::adjust_alloc_root_pointer(self, ptr, M::GLOBAL_KIND.map(MemoryKind::Machine))
}
pub fn fn_ptr(&mut self, fn_val: FnVal<'tcx, M::ExtraFnVal>) -> Pointer<M::Provenance> {
@ -203,9 +203,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
id
}
};
// Functions are global allocations, so make sure we get the right base pointer.
// Functions are global allocations, so make sure we get the right root pointer.
// We know this is not an `extern static` so this cannot fail.
self.global_base_pointer(Pointer::from(id)).unwrap()
self.global_root_pointer(Pointer::from(id)).unwrap()
}
pub fn allocate_ptr(
@ -246,7 +246,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
);
let alloc = M::adjust_allocation(self, id, Cow::Owned(alloc), Some(kind))?;
self.memory.alloc_map.insert(id, (kind, alloc.into_owned()));
M::adjust_alloc_base_pointer(self, Pointer::from(id), Some(kind))
M::adjust_alloc_root_pointer(self, Pointer::from(id), Some(kind))
}
pub fn reallocate_ptr(

View file

@ -764,7 +764,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
// Other cases need layout.
let adjust_scalar = |scalar| -> InterpResult<'tcx, _> {
Ok(match scalar {
Scalar::Ptr(ptr, size) => Scalar::Ptr(self.global_base_pointer(ptr)?, size),
Scalar::Ptr(ptr, size) => Scalar::Ptr(self.global_root_pointer(ptr)?, size),
Scalar::Int(int) => Scalar::Int(int),
})
};
@ -772,7 +772,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
let imm = match val_val {
mir::ConstValue::Indirect { alloc_id, offset } => {
// This is const data, no mutation allowed.
let ptr = self.global_base_pointer(Pointer::new(
let ptr = self.global_root_pointer(Pointer::new(
CtfeProvenance::from(alloc_id).as_immutable(),
offset,
))?;
@ -784,7 +784,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
// This is const data, no mutation allowed.
let alloc_id = self.tcx.reserve_and_set_memory_alloc(data);
let ptr = Pointer::new(CtfeProvenance::from(alloc_id).as_immutable(), Size::ZERO);
Immediate::new_slice(self.global_base_pointer(ptr)?.into(), meta, self)
Immediate::new_slice(self.global_root_pointer(ptr)?.into(), meta, self)
}
};
Ok(OpTy { op: Operand::Immediate(imm), layout })

View file

@ -1010,7 +1010,7 @@ where
) -> InterpResult<'tcx, MPlaceTy<'tcx, M::Provenance>> {
// This must be an allocation in `tcx`
let _ = self.tcx.global_alloc(raw.alloc_id);
let ptr = self.global_base_pointer(Pointer::from(raw.alloc_id))?;
let ptr = self.global_root_pointer(Pointer::from(raw.alloc_id))?;
let layout = self.layout_of(raw.ty)?;
Ok(self.ptr_to_mplace(ptr.into(), layout))
}

View file

@ -144,7 +144,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
use rustc_middle::mir::Rvalue::*;
match *rvalue {
ThreadLocalRef(did) => {
let ptr = M::thread_local_static_base_pointer(self, did)?;
let ptr = M::thread_local_static_pointer(self, did)?;
self.write_pointer(ptr, &dest)?;
}

View file

@ -28,7 +28,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
ensure_monomorphic_enough(*self.tcx, poly_trait_ref)?;
let vtable_symbolic_allocation = self.tcx.reserve_and_set_vtable_alloc(ty, poly_trait_ref);
let vtable_ptr = self.global_base_pointer(Pointer::from(vtable_symbolic_allocation))?;
let vtable_ptr = self.global_root_pointer(Pointer::from(vtable_symbolic_allocation))?;
Ok(vtable_ptr.into())
}