forked from OSchip/llvm-project
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
//===-- MachOUtils.h - Mach-o specific helpers for dsymutil --------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "MachOUtils.h"
|
|
#include "dsymutil.h"
|
|
#include "llvm/Support/FileUtilities.h"
|
|
#include "llvm/Support/Program.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
namespace llvm {
|
|
namespace dsymutil {
|
|
namespace MachOUtils {
|
|
|
|
static bool runLipo(SmallVectorImpl<const char *> &Args) {
|
|
auto Path = sys::findProgramByName("lipo");
|
|
|
|
if (!Path) {
|
|
errs() << "error: lipo: " << Path.getError().message() << "\n";
|
|
return false;
|
|
}
|
|
|
|
std::string ErrMsg;
|
|
int result =
|
|
sys::ExecuteAndWait(*Path, Args.data(), nullptr, nullptr, 0, 0, &ErrMsg);
|
|
if (result) {
|
|
errs() << "error: lipo: " << ErrMsg << "\n";
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool generateUniversalBinary(SmallVectorImpl<ArchAndFilename> &ArchFiles,
|
|
StringRef OutputFileName,
|
|
const LinkOptions &Options) {
|
|
// No need to merge one file into a universal fat binary. First, try
|
|
// to move it (rename) to the final location. If that fails because
|
|
// of cross-device link issues then copy and delete.
|
|
if (ArchFiles.size() == 1) {
|
|
StringRef From(ArchFiles.front().Path);
|
|
if (sys::fs::rename(From, OutputFileName)) {
|
|
if (std::error_code EC = sys::fs::copy_file(From, OutputFileName)) {
|
|
errs() << "error: while copying " << From << " to " << OutputFileName
|
|
<< ": " << EC.message() << "\n";
|
|
return false;
|
|
}
|
|
sys::fs::remove(From);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
SmallVector<const char *, 8> Args;
|
|
Args.push_back("lipo");
|
|
Args.push_back("-create");
|
|
|
|
for (auto &Thin : ArchFiles)
|
|
Args.push_back(Thin.Path.c_str());
|
|
|
|
// Align segments to match dsymutil-classic alignment
|
|
for (auto &Thin : ArchFiles) {
|
|
Args.push_back("-segalign");
|
|
Args.push_back(Thin.Arch.c_str());
|
|
Args.push_back("20");
|
|
}
|
|
|
|
Args.push_back("-output");
|
|
Args.push_back(OutputFileName.data());
|
|
Args.push_back(nullptr);
|
|
|
|
if (Options.Verbose) {
|
|
outs() << "Running lipo\n";
|
|
for (auto Arg : Args)
|
|
outs() << ' ' << ((Arg == nullptr) ? "\n" : Arg);
|
|
}
|
|
|
|
return Options.NoOutput ? true : runLipo(Args);
|
|
}
|
|
}
|
|
}
|
|
}
|