/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/include/llvm/Object/ModuleSymbolTable.h
Line | Count | Source |
1 | | //===- ModuleSymbolTable.h - symbol table for in-memory IR ------*- C++ -*-===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This class represents a symbol table built from in-memory IR. It provides |
11 | | // access to GlobalValues and should only be used if such access is required |
12 | | // (e.g. in the LTO implementation). |
13 | | // |
14 | | //===----------------------------------------------------------------------===// |
15 | | |
16 | | #ifndef LLVM_OBJECT_MODULESYMBOLTABLE_H |
17 | | #define LLVM_OBJECT_MODULESYMBOLTABLE_H |
18 | | |
19 | | #include "llvm/ADT/ArrayRef.h" |
20 | | #include "llvm/ADT/PointerUnion.h" |
21 | | #include "llvm/IR/Mangler.h" |
22 | | #include "llvm/Object/SymbolicFile.h" |
23 | | #include "llvm/Support/Allocator.h" |
24 | | #include <cstdint> |
25 | | #include <string> |
26 | | #include <utility> |
27 | | #include <vector> |
28 | | |
29 | | namespace llvm { |
30 | | |
31 | | class GlobalValue; |
32 | | |
33 | | class ModuleSymbolTable { |
34 | | public: |
35 | | using AsmSymbol = std::pair<std::string, uint32_t>; |
36 | | using Symbol = PointerUnion<GlobalValue *, AsmSymbol *>; |
37 | | |
38 | | private: |
39 | | Module *FirstMod = nullptr; |
40 | | |
41 | | SpecificBumpPtrAllocator<AsmSymbol> AsmSymbols; |
42 | | std::vector<Symbol> SymTab; |
43 | | Mangler Mang; |
44 | | |
45 | | public: |
46 | 3.25k | ArrayRef<Symbol> symbols() const { return SymTab; } |
47 | | void addModule(Module *M); |
48 | | |
49 | | void printSymbolName(raw_ostream &OS, Symbol S) const; |
50 | | uint32_t getSymbolFlags(Symbol S) const; |
51 | | |
52 | | /// Parse inline ASM and collect the symbols that are defined or referenced in |
53 | | /// the current module. |
54 | | /// |
55 | | /// For each found symbol, call \p AsmSymbol with the name of the symbol found |
56 | | /// and the associated flags. |
57 | | static void CollectAsmSymbols( |
58 | | const Module &M, |
59 | | function_ref<void(StringRef, object::BasicSymbolRef::Flags)> AsmSymbol); |
60 | | }; |
61 | | |
62 | | } // end namespace llvm |
63 | | |
64 | | #endif // LLVM_OBJECT_MODULESYMBOLTABLE_H |