You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.1 KiB
72 lines
2.1 KiB
4 months ago
|
//===- BreakpointPrinter.cpp - Breakpoint location printer ----------------===//
|
||
|
|
//
|
||
|
|
// 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
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
///
|
||
|
|
/// \file
|
||
|
|
/// Breakpoint location printer.
|
||
|
|
///
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
#include "BreakpointPrinter.h"
|
||
|
|
#include "llvm/ADT/StringSet.h"
|
||
|
|
#include "llvm/IR/DebugInfo.h"
|
||
|
|
#include "llvm/IR/Module.h"
|
||
|
|
#include "llvm/Pass.h"
|
||
|
|
#include "llvm/Support/raw_ostream.h"
|
||
|
|
|
||
|
|
using namespace llvm;
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
struct BreakpointPrinter : public ModulePass {
|
||
|
|
raw_ostream &Out;
|
||
|
|
static char ID;
|
||
|
|
|
||
|
|
BreakpointPrinter(raw_ostream &out) : ModulePass(ID), Out(out) {}
|
||
|
|
|
||
|
|
void getContextName(const DIScope *Context, std::string &N) {
|
||
|
|
if (auto *NS = dyn_cast<DINamespace>(Context)) {
|
||
|
|
if (!NS->getName().empty()) {
|
||
|
|
getContextName(NS->getScope(), N);
|
||
|
|
N = N + NS->getName().str() + "::";
|
||
|
|
}
|
||
|
|
} else if (auto *TY = dyn_cast<DIType>(Context)) {
|
||
|
|
if (!TY->getName().empty()) {
|
||
|
|
getContextName(TY->getScope(), N);
|
||
|
|
N = N + TY->getName().str() + "::";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bool runOnModule(Module &M) override {
|
||
|
|
StringSet<> Processed;
|
||
|
|
if (NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.sp"))
|
||
|
|
for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
|
||
|
|
std::string Name;
|
||
|
|
auto *SP = cast_or_null<DISubprogram>(NMD->getOperand(i));
|
||
|
|
if (!SP)
|
||
|
|
continue;
|
||
|
|
getContextName(SP->getScope(), Name);
|
||
|
|
Name = Name + SP->getName().str();
|
||
|
|
if (!Name.empty() && Processed.insert(Name).second) {
|
||
|
|
Out << Name << "\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void getAnalysisUsage(AnalysisUsage &AU) const override {
|
||
|
|
AU.setPreservesAll();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
char BreakpointPrinter::ID = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ModulePass *llvm::createBreakpointPrinter(raw_ostream &out) {
|
||
|
|
return new BreakpointPrinter(out);
|
||
|
|
}
|