mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Ivan Krysak
128 lines
3.1 KiB
C++
128 lines
3.1 KiB
C++
#pragma once
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//
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// This file is distributed under the MIT License. See LICENSE.md for details.
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//
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#include "revng/ADT/SortedVector.h"
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#include "revng/Model/Identifier.h"
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#include "revng/Model/Relocation.h"
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#include "revng/Model/TypeDefinition.h"
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#include "revng/Model/VerifyHelper.h"
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#include "revng/Support/MetaAddress.h"
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#include "revng/Support/MetaAddress/YAMLTraits.h"
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/* TUPLE-TREE-YAML
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name: Segment
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type: struct
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fields:
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- name: StartAddress
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type: MetaAddress
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- name: VirtualSize
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type: uint64_t
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- name: StartOffset
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type: uint64_t
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- name: FileSize
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type: uint64_t
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- name: IsReadable
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type: bool
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- name: IsWriteable
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type: bool
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- name: IsExecutable
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type: bool
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- name: CustomName
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type: Identifier
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optional: true
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- name: OriginalName
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type: string
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optional: true
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- name: Comment
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type: string
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optional: true
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- name: CanonicalRegisterValues
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optional: true
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sequence:
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type: SortedVector
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elementType: CanonicalRegisterValue
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- name: Relocations
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optional: true
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sequence:
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type: SortedVector
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elementType: Relocation
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- name: Type
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doc: The type of the segment
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type: Type
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upcastable: true
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optional: true
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key:
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- StartAddress
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- VirtualSize
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TUPLE-TREE-YAML */
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#include "revng/Model/Generated/Early/Segment.h"
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class model::Segment : public model::generated::Segment {
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public:
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using generated::Segment::Segment;
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public:
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Identifier name() const;
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public:
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/// The helper for segment type unwrapping.
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/// Use this when you need to access/modify the existing struct,
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/// and \ref Type() when you need to assign a new one.
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model::StructDefinition *type() {
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if (Type().isEmpty())
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return nullptr;
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else
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return &Type()->toStruct();
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}
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/// The helper for segment type unwrapping.
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/// Use this when you need to access/modify the existing struct,
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/// and \ref Type() when you need to assign a new one.
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const model::StructDefinition *type() const {
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if (Type().isEmpty())
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return nullptr;
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else
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return &Type()->toStruct();
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}
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public:
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bool contains(MetaAddress Address) const {
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auto EndAddress = StartAddress() + VirtualSize();
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return (Address.isValid()
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and StartAddress().addressLowerThanOrEqual(Address)
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and Address.addressLowerThan(EndAddress));
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}
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bool contains(MetaAddress Start, uint64_t Size) const {
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return contains(Start) and (Size <= 1 or contains(Start + Size - 1));
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}
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/// \return the end offset (guaranteed to be greater than StartOffset).
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auto endOffset() const { return StartOffset() + FileSize(); }
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/// \return a valid MetaAddress.
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auto endAddress() const { return StartAddress() + VirtualSize(); }
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std::pair<MetaAddress, MetaAddress> pagesRange() const {
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MetaAddress Start = StartAddress();
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Start = Start - (Start.address() % 4096);
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MetaAddress End = endAddress();
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End = End + (((End.address() + (4096 - 1)) / 4096) * 4096 - End.address());
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return { Start, End };
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}
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public:
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bool verify() const debug_function;
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bool verify(bool Assert) const debug_function;
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bool verify(VerifyHelper &VH) const;
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};
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#include "revng/Model/Generated/Late/Segment.h"
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