+++ /dev/null
-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#ifndef SIMGRID_MC_TYPE_HPP
-#define SIMGRID_MC_TYPE_HPP
-
-#include <cstddef>
-
-#include <vector>
-#include <string>
-
-#include "xbt/asserts.h"
-#include "xbt/base.h"
-
-#include "src/mc/mc_forward.hpp"
-#include "src/mc/LocationList.hpp"
-
-namespace simgrid {
-namespace mc {
-
-/** A member of a structure, union
- *
- * Inheritance is seen as a special member as well.
- */
-class Member {
-public:
- typedef int flags_type;
- static constexpr flags_type INHERITANCE_FLAG = 1;
- static constexpr flags_type VIRTUAL_POINTER_FLAG = 2;
-
- Member() = default;
-
- /** Whether this member represent some inherited part of the object */
- flags_type flags = 0;
-
- /** Name of the member (if any) */
- std::string name;
-
- /** DWARF location expression for locating the location of the member */
- simgrid::dwarf::DwarfExpression location_expression;
-
- std::size_t byte_size = 0; // Do we really need this?
-
- unsigned type_id = 0;
- simgrid::mc::Type* type = nullptr;
-
- bool isInheritance() const
- {
- return this->flags & INHERITANCE_FLAG;
- }
- bool isVirtualPointer() const
- {
- return this->flags & VIRTUAL_POINTER_FLAG;
- }
-
- /** Whether the member is at a fixed offset from the base address */
- bool has_offset_location() const
- {
- // Recognize the expression `DW_OP_plus_uconst(offset)`:
- return location_expression.size() == 1 &&
- location_expression[0].atom == DW_OP_plus_uconst;
- }
-
- /** Get the offset of the member
- *
- * This is only valid is the member is at a fixed offset from the base.
- * This is often the case (for C types, C++ type without virtual
- * inheritance).
- *
- * If the location is more complex, the location expression has
- * to be evaluated (which might need accessing the memory).
- */
- int offset() const
- {
- xbt_assert(this->has_offset_location());
- return this->location_expression[0].number;
- }
-
- /** Set the location of the member as a fixed offset */
- void offset(int new_offset)
- {
- // Set the expression to be `DW_OP_plus_uconst(offset)`:
- Dwarf_Op op;
- op.atom = DW_OP_plus_uconst;
- op.number = new_offset;
- this->location_expression = { op };
- }
-
-};
-
-/** A type in the model-checked program */
-class Type {
-public:
- Type() = default;
-
- /** The DWARF TAG of the type (e.g. DW_TAG_array_type) */
- int type = 0;
- unsigned id = 0; /* Offset in the section (in hexadecimal form) */
- std::string name; /* Name of the type */
- int byte_size = 0; /* Size in bytes */
- int element_count = 0; /* Number of elements for array type */
- unsigned type_id = 0; /* DW_AT_type id */
- std::vector<Member> members; /* if DW_TAG_structure_type, DW_TAG_class_type, DW_TAG_union_type*/
-
- simgrid::mc::Type* subtype = nullptr; // DW_AT_type
- simgrid::mc::Type* full_type = nullptr; // The same (but more complete) type
-};
-
-}
-}
-
-#endif
