1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
//===- DWARF.h -----------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===-------------------------------------------------------------------===//
#ifndef LLD_MACHO_DWARF_H
#define LLD_MACHO_DWARF_H
#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/DWARF/DWARFObject.h"
namespace lld::macho {
class ObjFile;
// Implements the interface between LLVM's DWARF-parsing utilities and LLD's
// InputSection structures.
class DwarfObject final : public llvm::DWARFObject {
public:
bool isLittleEndian() const override { return true; }
std::optional<llvm::RelocAddrEntry> find(const llvm::DWARFSection &sec,
uint64_t pos) const override {
// TODO: implement this
return std::nullopt;
}
void forEachInfoSections(
llvm::function_ref<void(const llvm::DWARFSection &)> f) const override {
f(infoSection);
}
llvm::StringRef getAbbrevSection() const override { return abbrevSection; }
llvm::StringRef getStrSection() const override { return strSection; }
llvm::DWARFSection const &getLineSection() const override {
return lineSection;
}
llvm::DWARFSection const &getStrOffsetsSection() const override {
return strOffsSection;
}
// Returns an instance of DwarfObject if the given object file has the
// relevant DWARF debug sections.
static std::unique_ptr<DwarfObject> create(ObjFile *);
private:
llvm::DWARFSection infoSection;
llvm::DWARFSection lineSection;
llvm::DWARFSection strOffsSection;
llvm::StringRef abbrevSection;
llvm::StringRef strSection;
};
} // namespace lld::macho
#endif
|
