diff options
Diffstat (limited to 'compiler/rustc_middle/src/mir/interpret/allocation.rs')
| -rw-r--r-- | compiler/rustc_middle/src/mir/interpret/allocation.rs | 331 |
1 files changed, 140 insertions, 191 deletions
diff --git a/compiler/rustc_middle/src/mir/interpret/allocation.rs b/compiler/rustc_middle/src/mir/interpret/allocation.rs index db7e0fb8a..37ec04b07 100644 --- a/compiler/rustc_middle/src/mir/interpret/allocation.rs +++ b/compiler/rustc_middle/src/mir/interpret/allocation.rs @@ -16,8 +16,8 @@ use rustc_target::abi::{Align, HasDataLayout, Size}; use super::{ read_target_uint, write_target_uint, AllocId, InterpError, InterpResult, Pointer, Provenance, - ResourceExhaustionInfo, Scalar, ScalarMaybeUninit, ScalarSizeMismatch, UndefinedBehaviorInfo, - UninitBytesAccess, UnsupportedOpInfo, + ResourceExhaustionInfo, Scalar, ScalarSizeMismatch, UndefinedBehaviorInfo, UninitBytesAccess, + UnsupportedOpInfo, }; use crate::ty; @@ -34,11 +34,11 @@ pub struct Allocation<Prov = AllocId, Extra = ()> { /// The actual bytes of the allocation. /// Note that the bytes of a pointer represent the offset of the pointer. bytes: Box<[u8]>, - /// Maps from byte addresses to extra data for each pointer. + /// Maps from byte addresses to extra provenance data for each pointer. /// Only the first byte of a pointer is inserted into the map; i.e., /// every entry in this map applies to `pointer_size` consecutive bytes starting /// at the given offset. - relocations: Relocations<Prov>, + provenance: ProvenanceMap<Prov>, /// Denotes which part of this allocation is initialized. init_mask: InitMask, /// The alignment of the allocation to detect unaligned reads. @@ -84,7 +84,7 @@ impl hash::Hash for Allocation { } // Hash the other fields as usual. - self.relocations.hash(state); + self.provenance.hash(state); self.init_mask.hash(state); self.align.hash(state); self.mutability.hash(state); @@ -130,6 +130,8 @@ pub enum AllocError { ReadPointerAsBytes, /// Partially overwriting a pointer. PartialPointerOverwrite(Size), + /// Partially copying a pointer. + PartialPointerCopy(Size), /// Using uninitialized data where it is not allowed. InvalidUninitBytes(Option<UninitBytesAccess>), } @@ -152,6 +154,9 @@ impl AllocError { PartialPointerOverwrite(offset) => InterpError::Unsupported( UnsupportedOpInfo::PartialPointerOverwrite(Pointer::new(alloc_id, offset)), ), + PartialPointerCopy(offset) => InterpError::Unsupported( + UnsupportedOpInfo::PartialPointerCopy(Pointer::new(alloc_id, offset)), + ), InvalidUninitBytes(info) => InterpError::UndefinedBehavior( UndefinedBehaviorInfo::InvalidUninitBytes(info.map(|b| (alloc_id, b))), ), @@ -211,7 +216,7 @@ impl<Prov> Allocation<Prov> { let size = Size::from_bytes(bytes.len()); Self { bytes, - relocations: Relocations::new(), + provenance: ProvenanceMap::new(), init_mask: InitMask::new(size, true), align, mutability, @@ -246,7 +251,7 @@ impl<Prov> Allocation<Prov> { let bytes = unsafe { bytes.assume_init() }; Ok(Allocation { bytes, - relocations: Relocations::new(), + provenance: ProvenanceMap::new(), init_mask: InitMask::new(size, false), align, mutability: Mutability::Mut, @@ -266,22 +271,22 @@ impl Allocation { ) -> Result<Allocation<Prov, Extra>, Err> { // Compute new pointer provenance, which also adjusts the bytes. let mut bytes = self.bytes; - let mut new_relocations = Vec::with_capacity(self.relocations.0.len()); + let mut new_provenance = Vec::with_capacity(self.provenance.0.len()); let ptr_size = cx.data_layout().pointer_size.bytes_usize(); let endian = cx.data_layout().endian; - for &(offset, alloc_id) in self.relocations.iter() { + for &(offset, alloc_id) in self.provenance.iter() { let idx = offset.bytes_usize(); let ptr_bytes = &mut bytes[idx..idx + ptr_size]; let bits = read_target_uint(endian, ptr_bytes).unwrap(); let (ptr_prov, ptr_offset) = adjust_ptr(Pointer::new(alloc_id, Size::from_bytes(bits)))?.into_parts(); write_target_uint(endian, ptr_bytes, ptr_offset.bytes().into()).unwrap(); - new_relocations.push((offset, ptr_prov)); + new_provenance.push((offset, ptr_prov)); } // Create allocation. Ok(Allocation { bytes, - relocations: Relocations::from_presorted(new_relocations), + provenance: ProvenanceMap::from_presorted(new_provenance), init_mask: self.init_mask, align: self.align, mutability: self.mutability, @@ -300,8 +305,8 @@ impl<Prov, Extra> Allocation<Prov, Extra> { Size::from_bytes(self.len()) } - /// Looks at a slice which may describe uninitialized bytes or describe a relocation. This differs - /// from `get_bytes_with_uninit_and_ptr` in that it does no relocation checks (even on the + /// Looks at a slice which may contain uninitialized bytes or provenance. This differs + /// from `get_bytes_with_uninit_and_ptr` in that it does no provenance checks (even on the /// edges) at all. /// This must not be used for reads affecting the interpreter execution. pub fn inspect_with_uninit_and_ptr_outside_interpreter(&self, range: Range<usize>) -> &[u8] { @@ -313,74 +318,47 @@ impl<Prov, Extra> Allocation<Prov, Extra> { &self.init_mask } - /// Returns the relocation list. - pub fn relocations(&self) -> &Relocations<Prov> { - &self.relocations + /// Returns the provenance map. + pub fn provenance(&self) -> &ProvenanceMap<Prov> { + &self.provenance } } /// Byte accessors. impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { /// This is the entirely abstraction-violating way to just grab the raw bytes without - /// caring about relocations. It just deduplicates some code between `read_scalar` - /// and `get_bytes_internal`. - fn get_bytes_even_more_internal(&self, range: AllocRange) -> &[u8] { - &self.bytes[range.start.bytes_usize()..range.end().bytes_usize()] - } - - /// The last argument controls whether we error out when there are uninitialized or pointer - /// bytes. However, we *always* error when there are relocations overlapping the edges of the - /// range. - /// - /// You should never call this, call `get_bytes` or `get_bytes_with_uninit_and_ptr` instead, + /// caring about provenance or initialization. /// /// This function also guarantees that the resulting pointer will remain stable /// even when new allocations are pushed to the `HashMap`. `mem_copy_repeatedly` relies /// on that. - /// - /// It is the caller's responsibility to check bounds and alignment beforehand. - fn get_bytes_internal( - &self, - cx: &impl HasDataLayout, - range: AllocRange, - check_init_and_ptr: bool, - ) -> AllocResult<&[u8]> { - if check_init_and_ptr { - self.check_init(range)?; - self.check_relocations(cx, range)?; - } else { - // We still don't want relocations on the *edges*. - self.check_relocation_edges(cx, range)?; - } - - Ok(self.get_bytes_even_more_internal(range)) + #[inline] + pub fn get_bytes_unchecked(&self, range: AllocRange) -> &[u8] { + &self.bytes[range.start.bytes_usize()..range.end().bytes_usize()] } - /// Checks that these bytes are initialized and not pointer bytes, and then return them - /// as a slice. + /// Checks that these bytes are initialized, and then strip provenance (if possible) and return + /// them. /// /// It is the caller's responsibility to check bounds and alignment beforehand. /// Most likely, you want to use the `PlaceTy` and `OperandTy`-based methods /// on `InterpCx` instead. #[inline] - pub fn get_bytes(&self, cx: &impl HasDataLayout, range: AllocRange) -> AllocResult<&[u8]> { - self.get_bytes_internal(cx, range, true) - } - - /// It is the caller's responsibility to handle uninitialized and pointer bytes. - /// However, this still checks that there are no relocations on the *edges*. - /// - /// It is the caller's responsibility to check bounds and alignment beforehand. - #[inline] - pub fn get_bytes_with_uninit_and_ptr( + pub fn get_bytes_strip_provenance( &self, cx: &impl HasDataLayout, range: AllocRange, ) -> AllocResult<&[u8]> { - self.get_bytes_internal(cx, range, false) + self.check_init(range)?; + if !Prov::OFFSET_IS_ADDR { + if self.range_has_provenance(cx, range) { + return Err(AllocError::ReadPointerAsBytes); + } + } + Ok(self.get_bytes_unchecked(range)) } - /// Just calling this already marks everything as defined and removes relocations, + /// Just calling this already marks everything as defined and removes provenance, /// so be sure to actually put data there! /// /// It is the caller's responsibility to check bounds and alignment beforehand. @@ -392,7 +370,7 @@ impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { range: AllocRange, ) -> AllocResult<&mut [u8]> { self.mark_init(range, true); - self.clear_relocations(cx, range)?; + self.clear_provenance(cx, range)?; Ok(&mut self.bytes[range.start.bytes_usize()..range.end().bytes_usize()]) } @@ -404,7 +382,7 @@ impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { range: AllocRange, ) -> AllocResult<*mut [u8]> { self.mark_init(range, true); - self.clear_relocations(cx, range)?; + self.clear_provenance(cx, range)?; assert!(range.end().bytes_usize() <= self.bytes.len()); // need to do our own bounds-check let begin_ptr = self.bytes.as_mut_ptr().wrapping_add(range.start.bytes_usize()); @@ -415,28 +393,6 @@ impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { /// Reading and writing. impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { - /// Validates that `ptr.offset` and `ptr.offset + size` do not point to the middle of a - /// relocation. If `allow_uninit`/`allow_ptr` is `false`, also enforces that the memory in the - /// given range contains no uninitialized bytes/relocations. - pub fn check_bytes( - &self, - cx: &impl HasDataLayout, - range: AllocRange, - allow_uninit: bool, - allow_ptr: bool, - ) -> AllocResult { - // Check bounds and relocations on the edges. - self.get_bytes_with_uninit_and_ptr(cx, range)?; - // Check uninit and ptr. - if !allow_uninit { - self.check_init(range)?; - } - if !allow_ptr { - self.check_relocations(cx, range)?; - } - Ok(()) - } - /// Reads a *non-ZST* scalar. /// /// If `read_provenance` is `true`, this will also read provenance; otherwise (if the machine @@ -452,47 +408,55 @@ impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { cx: &impl HasDataLayout, range: AllocRange, read_provenance: bool, - ) -> AllocResult<ScalarMaybeUninit<Prov>> { - if read_provenance { - assert_eq!(range.size, cx.data_layout().pointer_size); - } - + ) -> AllocResult<Scalar<Prov>> { // First and foremost, if anything is uninit, bail. if self.is_init(range).is_err() { - // This inflates uninitialized bytes to the entire scalar, even if only a few - // bytes are uninitialized. - return Ok(ScalarMaybeUninit::Uninit); + return Err(AllocError::InvalidUninitBytes(None)); } - // If we are doing a pointer read, and there is a relocation exactly where we - // are reading, then we can put data and relocation back together and return that. - if read_provenance && let Some(&prov) = self.relocations.get(&range.start) { - // We already checked init and relocations, so we can use this function. - let bytes = self.get_bytes_even_more_internal(range); - let bits = read_target_uint(cx.data_layout().endian, bytes).unwrap(); - let ptr = Pointer::new(prov, Size::from_bytes(bits)); - return Ok(ScalarMaybeUninit::from_pointer(ptr, cx)); - } + // Get the integer part of the result. We HAVE TO check provenance before returning this! + let bytes = self.get_bytes_unchecked(range); + let bits = read_target_uint(cx.data_layout().endian, bytes).unwrap(); - // If we are *not* reading a pointer, and we can just ignore relocations, - // then do exactly that. - if !read_provenance && Prov::OFFSET_IS_ADDR { - // We just strip provenance. - let bytes = self.get_bytes_even_more_internal(range); - let bits = read_target_uint(cx.data_layout().endian, bytes).unwrap(); - return Ok(ScalarMaybeUninit::Scalar(Scalar::from_uint(bits, range.size))); + if read_provenance { + assert_eq!(range.size, cx.data_layout().pointer_size); + + // When reading data with provenance, the easy case is finding provenance exactly where we + // are reading, then we can put data and provenance back together and return that. + if let Some(&prov) = self.provenance.get(&range.start) { + // Now we can return the bits, with their appropriate provenance. + let ptr = Pointer::new(prov, Size::from_bytes(bits)); + return Ok(Scalar::from_pointer(ptr, cx)); + } + + // If we can work on pointers byte-wise, join the byte-wise provenances. + if Prov::OFFSET_IS_ADDR { + let mut prov = self.offset_get_provenance(cx, range.start); + for offset in 1..range.size.bytes() { + let this_prov = + self.offset_get_provenance(cx, range.start + Size::from_bytes(offset)); + prov = Prov::join(prov, this_prov); + } + // Now use this provenance. + let ptr = Pointer::new(prov, Size::from_bytes(bits)); + return Ok(Scalar::from_maybe_pointer(ptr, cx)); + } + } else { + // We are *not* reading a pointer. + // If we can just ignore provenance, do exactly that. + if Prov::OFFSET_IS_ADDR { + // We just strip provenance. + return Ok(Scalar::from_uint(bits, range.size)); + } } - // It's complicated. Better make sure there is no provenance anywhere. - // FIXME: If !OFFSET_IS_ADDR, this is the best we can do. But if OFFSET_IS_ADDR, then - // `read_pointer` is true and we ideally would distinguish the following two cases: - // - The entire `range` is covered by 2 relocations for the same provenance. - // Then we should return a pointer with that provenance. - // - The range has inhomogeneous provenance. Then we should return just the - // underlying bits. - let bytes = self.get_bytes(cx, range)?; - let bits = read_target_uint(cx.data_layout().endian, bytes).unwrap(); - Ok(ScalarMaybeUninit::Scalar(Scalar::from_uint(bits, range.size))) + // Fallback path for when we cannot treat provenance bytewise or ignore it. + assert!(!Prov::OFFSET_IS_ADDR); + if self.range_has_provenance(cx, range) { + return Err(AllocError::ReadPointerAsBytes); + } + // There is no provenance, we can just return the bits. + Ok(Scalar::from_uint(bits, range.size)) } /// Writes a *non-ZST* scalar. @@ -507,17 +471,10 @@ impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { &mut self, cx: &impl HasDataLayout, range: AllocRange, - val: ScalarMaybeUninit<Prov>, + val: Scalar<Prov>, ) -> AllocResult { assert!(self.mutability == Mutability::Mut); - let val = match val { - ScalarMaybeUninit::Scalar(scalar) => scalar, - ScalarMaybeUninit::Uninit => { - return self.write_uninit(cx, range); - } - }; - // `to_bits_or_ptr_internal` is the right method because we just want to store this data // as-is into memory. let (bytes, provenance) = match val.to_bits_or_ptr_internal(range.size)? { @@ -532,9 +489,9 @@ impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { let dst = self.get_bytes_mut(cx, range)?; write_target_uint(endian, dst, bytes).unwrap(); - // See if we have to also write a relocation. + // See if we have to also store some provenance. if let Some(provenance) = provenance { - self.relocations.0.insert(range.start, provenance); + self.provenance.0.insert(range.start, provenance); } Ok(()) @@ -543,64 +500,65 @@ impl<Prov: Provenance, Extra> Allocation<Prov, Extra> { /// Write "uninit" to the given memory range. pub fn write_uninit(&mut self, cx: &impl HasDataLayout, range: AllocRange) -> AllocResult { self.mark_init(range, false); - self.clear_relocations(cx, range)?; + self.clear_provenance(cx, range)?; return Ok(()); } } -/// Relocations. +/// Provenance. impl<Prov: Copy, Extra> Allocation<Prov, Extra> { - /// Returns all relocations overlapping with the given pointer-offset pair. - fn get_relocations(&self, cx: &impl HasDataLayout, range: AllocRange) -> &[(Size, Prov)] { + /// Returns all provenance overlapping with the given pointer-offset pair. + fn range_get_provenance(&self, cx: &impl HasDataLayout, range: AllocRange) -> &[(Size, Prov)] { // We have to go back `pointer_size - 1` bytes, as that one would still overlap with // the beginning of this range. let start = range.start.bytes().saturating_sub(cx.data_layout().pointer_size.bytes() - 1); - self.relocations.range(Size::from_bytes(start)..range.end()) + self.provenance.range(Size::from_bytes(start)..range.end()) } - /// Returns whether this allocation has relocations overlapping with the given range. - /// - /// Note: this function exists to allow `get_relocations` to be private, in order to somewhat - /// limit access to relocations outside of the `Allocation` abstraction. - /// - pub fn has_relocations(&self, cx: &impl HasDataLayout, range: AllocRange) -> bool { - !self.get_relocations(cx, range).is_empty() + /// Get the provenance of a single byte. + fn offset_get_provenance(&self, cx: &impl HasDataLayout, offset: Size) -> Option<Prov> { + let prov = self.range_get_provenance(cx, alloc_range(offset, Size::from_bytes(1))); + assert!(prov.len() <= 1); + prov.first().map(|(_offset, prov)| *prov) } - /// Checks that there are no relocations overlapping with the given range. - #[inline(always)] - fn check_relocations(&self, cx: &impl HasDataLayout, range: AllocRange) -> AllocResult { - if self.has_relocations(cx, range) { Err(AllocError::ReadPointerAsBytes) } else { Ok(()) } + /// Returns whether this allocation has progrnance overlapping with the given range. + /// + /// Note: this function exists to allow `range_get_provenance` to be private, in order to somewhat + /// limit access to provenance outside of the `Allocation` abstraction. + /// + pub fn range_has_provenance(&self, cx: &impl HasDataLayout, range: AllocRange) -> bool { + !self.range_get_provenance(cx, range).is_empty() } - /// Removes all relocations inside the given range. - /// If there are relocations overlapping with the edges, they + /// Removes all provenance inside the given range. + /// If there is provenance overlapping with the edges, it /// are removed as well *and* the bytes they cover are marked as /// uninitialized. This is a somewhat odd "spooky action at a distance", /// but it allows strictly more code to run than if we would just error /// immediately in that case. - fn clear_relocations(&mut self, cx: &impl HasDataLayout, range: AllocRange) -> AllocResult + fn clear_provenance(&mut self, cx: &impl HasDataLayout, range: AllocRange) -> AllocResult where Prov: Provenance, { - // Find the start and end of the given range and its outermost relocations. + // Find the start and end of the given range and its outermost provenance. let (first, last) = { - // Find all relocations overlapping the given range. - let relocations = self.get_relocations(cx, range); - if relocations.is_empty() { + // Find all provenance overlapping the given range. + let provenance = self.range_get_provenance(cx, range); + if provenance.is_empty() { return Ok(()); } ( - relocations.first().unwrap().0, - relocations.last().unwrap().0 + cx.data_layout().pointer_size, + provenance.first().unwrap().0, + provenance.last().unwrap().0 + cx.data_layout().pointer_size, ) }; let start = range.start; let end = range.end(); - // We need to handle clearing the relocations from parts of a pointer. - // FIXME: Miri should preserve partial relocations; see + // We need to handle clearing the provenance from parts of a pointer. + // FIXME: Miri should preserve partial provenance; see // https://github.com/rust-lang/miri/issues/2181. if first < start { if Prov::ERR_ON_PARTIAL_PTR_OVERWRITE { @@ -623,41 +581,32 @@ impl<Prov: Copy, Extra> Allocation<Prov, Extra> { self.init_mask.set_range(end, last, false); } - // Forget all the relocations. - // Since relocations do not overlap, we know that removing until `last` (exclusive) is fine, - // i.e., this will not remove any other relocations just after the ones we care about. - self.relocations.0.remove_range(first..last); + // Forget all the provenance. + // Since provenance do not overlap, we know that removing until `last` (exclusive) is fine, + // i.e., this will not remove any other provenance just after the ones we care about. + self.provenance.0.remove_range(first..last); Ok(()) } - - /// Errors if there are relocations overlapping with the edges of the - /// given memory range. - #[inline] - fn check_relocation_edges(&self, cx: &impl HasDataLayout, range: AllocRange) -> AllocResult { - self.check_relocations(cx, alloc_range(range.start, Size::ZERO))?; - self.check_relocations(cx, alloc_range(range.end(), Size::ZERO))?; - Ok(()) - } } -/// "Relocations" stores the provenance information of pointers stored in memory. +/// Stores the provenance information of pointers stored in memory. #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)] -pub struct Relocations<Prov = AllocId>(SortedMap<Size, Prov>); +pub struct ProvenanceMap<Prov = AllocId>(SortedMap<Size, Prov>); -impl<Prov> Relocations<Prov> { +impl<Prov> ProvenanceMap<Prov> { pub fn new() -> Self { - Relocations(SortedMap::new()) + ProvenanceMap(SortedMap::new()) } - // The caller must guarantee that the given relocations are already sorted + // The caller must guarantee that the given provenance list is already sorted // by address and contain no duplicates. pub fn from_presorted(r: Vec<(Size, Prov)>) -> Self { - Relocations(SortedMap::from_presorted_elements(r)) + ProvenanceMap(SortedMap::from_presorted_elements(r)) } } -impl<Prov> Deref for Relocations<Prov> { +impl<Prov> Deref for ProvenanceMap<Prov> { type Target = SortedMap<Size, Prov>; fn deref(&self) -> &Self::Target { @@ -665,36 +614,36 @@ impl<Prov> Deref for Relocations<Prov> { } } -/// A partial, owned list of relocations to transfer into another allocation. +/// A partial, owned list of provenance to transfer into another allocation. /// /// Offsets are already adjusted to the destination allocation. -pub struct AllocationRelocations<Prov> { - dest_relocations: Vec<(Size, Prov)>, +pub struct AllocationProvenance<Prov> { + dest_provenance: Vec<(Size, Prov)>, } impl<Prov: Copy, Extra> Allocation<Prov, Extra> { - pub fn prepare_relocation_copy( + pub fn prepare_provenance_copy( &self, cx: &impl HasDataLayout, src: AllocRange, dest: Size, count: u64, - ) -> AllocationRelocations<Prov> { - let relocations = self.get_relocations(cx, src); - if relocations.is_empty() { - return AllocationRelocations { dest_relocations: Vec::new() }; + ) -> AllocationProvenance<Prov> { + let provenance = self.range_get_provenance(cx, src); + if provenance.is_empty() { + return AllocationProvenance { dest_provenance: Vec::new() }; } let size = src.size; - let mut new_relocations = Vec::with_capacity(relocations.len() * (count as usize)); + let mut new_provenance = Vec::with_capacity(provenance.len() * (count as usize)); // If `count` is large, this is rather wasteful -- we are allocating a big array here, which // is mostly filled with redundant information since it's just N copies of the same `Prov`s - // at slightly adjusted offsets. The reason we do this is so that in `mark_relocation_range` + // at slightly adjusted offsets. The reason we do this is so that in `mark_provenance_range` // we can use `insert_presorted`. That wouldn't work with an `Iterator` that just produces - // the right sequence of relocations for all N copies. + // the right sequence of provenance for all N copies. for i in 0..count { - new_relocations.extend(relocations.iter().map(|&(offset, reloc)| { + new_provenance.extend(provenance.iter().map(|&(offset, reloc)| { // compute offset for current repetition let dest_offset = dest + size * i; // `Size` operations ( @@ -705,17 +654,17 @@ impl<Prov: Copy, Extra> Allocation<Prov, Extra> { })); } - AllocationRelocations { dest_relocations: new_relocations } + AllocationProvenance { dest_provenance: new_provenance } } - /// Applies a relocation copy. - /// The affected range, as defined in the parameters to `prepare_relocation_copy` is expected - /// to be clear of relocations. + /// Applies a provenance copy. + /// The affected range, as defined in the parameters to `prepare_provenance_copy` is expected + /// to be clear of provenance. /// /// This is dangerous to use as it can violate internal `Allocation` invariants! /// It only exists to support an efficient implementation of `mem_copy_repeatedly`. - pub fn mark_relocation_range(&mut self, relocations: AllocationRelocations<Prov>) { - self.relocations.0.insert_presorted(relocations.dest_relocations); + pub fn mark_provenance_range(&mut self, provenance: AllocationProvenance<Prov>) { + self.provenance.0.insert_presorted(provenance.dest_provenance); } } |