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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
//===- DLL.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_COFF_DLL_H
#define LLD_COFF_DLL_H
#include "Chunks.h"
#include "Symbols.h"
namespace lld::coff {
// Windows-specific.
// IdataContents creates all chunks for the DLL import table.
// You are supposed to call add() to add symbols and then
// call create() to populate the chunk vectors.
class IdataContents {
public:
void add(DefinedImportData *sym) { imports.push_back(sym); }
bool empty() { return imports.empty(); }
void create(COFFLinkerContext &ctx);
std::vector<DefinedImportData *> imports;
std::vector<Chunk *> dirs;
std::vector<Chunk *> lookups;
std::vector<Chunk *> addresses;
std::vector<Chunk *> hints;
std::vector<Chunk *> dllNames;
};
// Windows-specific.
// DelayLoadContents creates all chunks for the delay-load DLL import table.
class DelayLoadContents {
public:
DelayLoadContents(COFFLinkerContext &ctx) : ctx(ctx) {}
void add(DefinedImportData *sym) { imports.push_back(sym); }
bool empty() { return imports.empty(); }
void create(Defined *helper);
std::vector<Chunk *> getChunks();
std::vector<Chunk *> getDataChunks();
ArrayRef<Chunk *> getCodeChunks() { return thunks; }
ArrayRef<Chunk *> getCodePData() { return pdata; }
ArrayRef<Chunk *> getCodeUnwindInfo() { return unwindinfo; }
uint64_t getDirRVA() { return dirs[0]->getRVA(); }
uint64_t getDirSize();
private:
Chunk *newThunkChunk(DefinedImportData *s, Chunk *tailMerge);
Chunk *newTailMergeChunk(Chunk *dir);
Chunk *newTailMergePDataChunk(Chunk *tm, Chunk *unwind);
Chunk *newTailMergeUnwindInfoChunk();
Defined *helper;
std::vector<DefinedImportData *> imports;
std::vector<Chunk *> dirs;
std::vector<Chunk *> moduleHandles;
std::vector<Chunk *> addresses;
std::vector<Chunk *> names;
std::vector<Chunk *> hintNames;
std::vector<Chunk *> thunks;
std::vector<Chunk *> pdata;
std::vector<Chunk *> unwindinfo;
std::vector<Chunk *> dllNames;
COFFLinkerContext &ctx;
};
// Windows-specific.
// EdataContents creates all chunks for the DLL export table.
class EdataContents {
public:
EdataContents(COFFLinkerContext &ctx);
std::vector<Chunk *> chunks;
uint64_t getRVA() { return chunks[0]->getRVA(); }
uint64_t getSize() {
return chunks.back()->getRVA() + chunks.back()->getSize() - getRVA();
}
COFFLinkerContext &ctx;
};
} // namespace lld::coff
#endif
|
