CMake/Source/cmBinUtilsLinuxELFObjdumpGetRuntimeDependenciesTool.cxx
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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmBinUtilsLinuxELFObjdumpGetRuntimeDependenciesTool.h"
#include <sstream>
#include <cmsys/RegularExpression.hxx>
#include "cmRuntimeDependencyArchive.h"
#include "cmSystemTools.h"
#include "cmUVProcessChain.h"
cmBinUtilsLinuxELFObjdumpGetRuntimeDependenciesTool::
cmBinUtilsLinuxELFObjdumpGetRuntimeDependenciesTool(
cmRuntimeDependencyArchive* archive)
: cmBinUtilsLinuxELFGetRuntimeDependenciesTool(archive)
{
}
bool cmBinUtilsLinuxELFObjdumpGetRuntimeDependenciesTool::GetFileInfo(
std::string const& file, std::vector<std::string>& needed,
std::vector<std::string>& rpaths, std::vector<std::string>& runpaths)
{
cmUVProcessChainBuilder builder;
builder.SetBuiltinStream(cmUVProcessChainBuilder::Stream_OUTPUT);
std::vector<std::string> command;
if (!this->Archive->GetGetRuntimeDependenciesCommand("objdump", command)) {
this->SetError("Could not find objdump");
return false;
}
command.emplace_back("-p");
command.push_back(file);
builder.AddCommand(command);
auto process = builder.Start();
if (!process.Valid()) {
std::ostringstream e;
e << "Failed to start objdump process for:\n " << file;
this->SetError(e.str());
return false;
}
std::string line;
static const cmsys::RegularExpression neededRegex("^ *NEEDED *([^\n]*)$");
static const cmsys::RegularExpression rpathRegex("^ *RPATH *([^\n]*)$");
static const cmsys::RegularExpression runpathRegex("^ *RUNPATH *([^\n]*)$");
while (std::getline(*process.OutputStream(), line)) {
cmsys::RegularExpressionMatch match;
if (neededRegex.find(line.c_str(), match)) {
needed.push_back(match.match(1));
} else if (rpathRegex.find(line.c_str(), match)) {
std::vector<std::string> rpathSplit =
cmSystemTools::SplitString(match.match(1), ':');
rpaths.reserve(rpaths.size() + rpathSplit.size());
for (auto const& rpath : rpathSplit) {
rpaths.push_back(rpath);
}
} else if (runpathRegex.find(line.c_str(), match)) {
std::vector<std::string> runpathSplit =
cmSystemTools::SplitString(match.match(1), ':');
runpaths.reserve(runpaths.size() + runpathSplit.size());
for (auto const& runpath : runpathSplit) {
runpaths.push_back(runpath);
}
}
}
if (!process.Wait()) {
std::ostringstream e;
e << "Failed to wait on objdump process for:\n " << file;
this->SetError(e.str());
return false;
}
auto status = process.GetStatus();
if (!status[0] || status[0]->ExitStatus != 0) {
std::ostringstream e;
e << "Failed to run objdump on:\n " << file;
this->SetError(e.str());
return false;
}
return true;
}