pstore::repo::linked_definitions Class Reference

Represents the definitions linked to a fragment. More...

#include <linked_definitions_section.hpp>

Inheritance diagram for pstore::repo::linked_definitions:

Collaboration diagram for pstore::repo::linked_definitions:

Classes
struct	value_type

Public Types
using	iterator = value_type *
using	const_iterator = value_type const *

Public Member Functions
template<typename Iterator , typename = typename std::enable_if_t<std::is_same< typename std::iterator_traits<Iterator>::value_type, value_type>::value>>
	linked_definitions (Iterator begin, Iterator end)
	linked_definitions (linked_definitions const &)=delete
linked_definitions &	operator= (linked_definitions const &)=delete
Element access
value_type const &	operator[] (std::size_t const i) const
value_type &	operator[] (std::size_t const i)
Iterators
iterator	begin () noexcept
const_iterator	begin () const noexcept
const_iterator	cbegin () const noexcept
iterator	end () noexcept
const_iterator	end () const noexcept
const_iterator	cend () const noexcept
Capacity
bool	empty () const noexcept
	Checks whether the container is empty.
std::size_t	size () const noexcept
	Returns the number of elements.

Static Public Member Functions
static auto	load (database const &db, typed_address< linked_definitions > const ld) -> std::shared_ptr< linked_definitions const >
	Returns a pointer to the linked_definitions instance. More...

Storage
std::size_t	size_bytes () const noexcept
	Returns the number of bytes of storage required for the linked_definitions instance.
static std::size_t	size_bytes (std::uint64_t size) noexcept
	Returns the number of bytes of storage required for an instance of this class with 'size' children. More...

Detailed Description

Represents the definitions linked to a fragment.

When a new global object is generated by an LLVM optimisation pass after the repository hash-generation pass has run, the digest for those objects will be generated by the repository back-end (object writer) code. If a fragment has an external fixup referencing this global object, we link the two with a record in the linked-definitions section.

When a fragment is pruned, its linked definitions need to be recorded in the repo.tickets metadata to guarantee that they are present in the final compilation record.

Member Function Documentation

load()

std::shared_ptr< linked_definitions const > pstore::repo::linked_definitions::load ( database const &  db, typed_address< linked_definitions > const  ld  ) -> std::shared_ptr<linked_definitions const>

static

Returns a pointer to the linked_definitions instance.

Parameters

db	The database from which the linked_definitions should be loaded.
ld	Address of the linked definitions record in the store.

Returns

A pointer to the linked_definitions in-store memory.

size_bytes()

std::size_t pstore::repo::linked_definitions::size_bytes ( std::uint64_t  size )

staticnoexcept

Returns the number of bytes of storage required for an instance of this class with 'size' children.

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The documentation for this class was generated from the following files:

• include/pstore/mcrepo/linked_definitions_section.hpp
• lib/mcrepo/linked_definitions_section.cpp