LLVM  16.0.0git
DWARFRelocMap.h
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1 //===- DWARFRelocMap.h ------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
10 #define LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
11 
12 #include "llvm/ADT/DenseMap.h"
13 #include "llvm/Object/ObjectFile.h"
15 #include <cstdint>
16 
17 namespace llvm {
18 
19 /// RelocAddrEntry contains relocated value and section index.
20 /// Section index is -1LL if relocation points to absolute symbol.
28 };
29 
30 /// In place of applying the relocations to the data we've read from disk we use
31 /// a separate mapping table to the side and checking that at locations in the
32 /// dwarf where we expect relocated values. This adds a bit of complexity to the
33 /// dwarf parsing/extraction at the benefit of not allocating memory for the
34 /// entire size of the debug info sections.
36 
37 } // end namespace llvm
38 
39 #endif // LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
llvm::object::RelocationResolver
uint64_t(*)(uint64_t Type, uint64_t Offset, uint64_t S, uint64_t LocData, int64_t Addend) RelocationResolver
Definition: RelocationResolver.h:30
DenseMap.h
llvm::Optional
Definition: APInt.h:33
llvm::RelocAddrEntry::SymbolValue
uint64_t SymbolValue
Definition: DWARFRelocMap.h:24
llvm::RelocAddrEntry::Reloc2
Optional< object::RelocationRef > Reloc2
Definition: DWARFRelocMap.h:25
llvm::RelocAddrEntry::Reloc
object::RelocationRef Reloc
Definition: DWARFRelocMap.h:23
llvm::RelocAddrEntry::SymbolValue2
uint64_t SymbolValue2
Definition: DWARFRelocMap.h:26
uint64_t
llvm::DenseMap
Definition: DenseMap.h:714
ObjectFile.h
llvm::RelocAddrEntry
RelocAddrEntry contains relocated value and section index.
Definition: DWARFRelocMap.h:21
RelocationResolver.h
llvm::RelocAddrEntry::SectionIndex
uint64_t SectionIndex
Definition: DWARFRelocMap.h:22
llvm::RelocAddrEntry::Resolver
object::RelocationResolver Resolver
Definition: DWARFRelocMap.h:27
llvm::object::RelocationRef
This is a value type class that represents a single relocation in the list of relocations in the obje...
Definition: ObjectFile.h:51