1 //===- BreakpointPrinter.cpp - Breakpoint location printer ----------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief Breakpoint location printer.
13 //===----------------------------------------------------------------------===//
14 #include "BreakpointPrinter.h"
15 #include "llvm/ADT/StringSet.h"
16 #include "llvm/IR/DebugInfo.h"
17 #include "llvm/IR/Module.h"
18 #include "llvm/Pass.h"
19 #include "llvm/Support/raw_ostream.h"
25 struct BreakpointPrinter : public ModulePass {
28 DITypeIdentifierMap TypeIdentifierMap;
30 BreakpointPrinter(raw_ostream &out) : ModulePass(ID), Out(out) {}
32 void getContextName(DIDescriptor Context, std::string &N) {
33 if (Context.isNameSpace()) {
34 DINameSpace NS(Context);
35 if (!NS.getName().empty()) {
36 getContextName(NS.getContext(), N);
37 N = N + NS.getName().str() + "::";
39 } else if (Context.isType()) {
41 if (!TY.getName().empty()) {
42 getContextName(TY.getContext().resolve(TypeIdentifierMap), N);
43 N = N + TY.getName().str() + "::";
48 bool runOnModule(Module &M) override {
49 TypeIdentifierMap.clear();
50 NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu");
52 TypeIdentifierMap = generateDITypeIdentifierMap(CU_Nodes);
54 StringSet<> Processed;
55 if (NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.sp"))
56 for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
58 DISubprogram SP(NMD->getOperand(i));
59 assert((!SP || SP.isSubprogram()) &&
60 "A MDNode in llvm.dbg.sp should be null or a DISubprogram.");
63 getContextName(SP.getContext().resolve(TypeIdentifierMap), Name);
64 Name = Name + SP.getDisplayName().str();
65 if (!Name.empty() && Processed.insert(Name).second) {
72 void getAnalysisUsage(AnalysisUsage &AU) const override {
77 char BreakpointPrinter::ID = 0;
80 ModulePass *llvm::createBreakpointPrinter(raw_ostream &out) {
81 return new BreakpointPrinter(out);