+//===- llvm-link.cpp - Low-level LLVM linker ------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
-// LLVM 'LINK' UTILITY
//
// This utility may be invoked in the following manner:
-// link a.bc b.bc c.bc -o x.bc
-//
-// Alternatively, this can be used as an 'ar' tool as well. If invoked as
-// either 'ar' or 'llvm-ar', it accepts a 'rc' parameter as well.
+// llvm-link a.bc b.bc c.bc -o x.bc
//
//===----------------------------------------------------------------------===//
-#include "llvm/Transforms/Utils/Linker.h"
+#include "llvm/Module.h"
+#include "llvm/Analysis/Verifier.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/Bytecode/Writer.h"
-#include "llvm/Module.h"
+#include "llvm/Transforms/Utils/Linker.h"
#include "Support/CommandLine.h"
#include "Support/Signals.h"
#include <fstream>
#include <sys/types.h> // For FileExists
#include <sys/stat.h>
-using std::cerr;
+using namespace llvm;
static cl::list<std::string>
InputFilenames(cl::Positional, cl::OneOrMore,
bool FoundAFile = false;
while (1) {
- if (Verbose) cerr << "Loading '" << Filename << "'\n";
+ if (Verbose) std::cerr << "Loading '" << Filename << "'\n";
if (FileExists(Filename)) FoundAFile = true;
Module *Result = ParseBytecodeFile(Filename, &ErrorMessage);
if (Result) return std::auto_ptr<Module>(Result); // Load successful!
if (Verbose) {
- cerr << "Error opening bytecode file: '" << Filename << "'";
- if (ErrorMessage.size()) cerr << ": " << ErrorMessage;
- cerr << "\n";
+ std::cerr << "Error opening bytecode file: '" << Filename << "'";
+ if (ErrorMessage.size()) std::cerr << ": " << ErrorMessage;
+ std::cerr << "\n";
}
if (NextLibPathIdx == LibPaths.size()) break;
}
if (FoundAFile)
- cerr << "Bytecode file '" << FN << "' corrupt! "
- << "Use 'link -v ...' for more info.\n";
+ std::cerr << "Bytecode file '" << FN << "' corrupt! "
+ << "Use 'llvm-link -v ...' for more info.\n";
else
- cerr << "Could not locate bytecode file: '" << FN << "'\n";
+ std::cerr << "Could not locate bytecode file: '" << FN << "'\n";
return std::auto_ptr<Module>();
}
unsigned BaseArg = 0;
std::string ErrorMessage;
- // TODO: TEST argv[0] for llvm-ar forms... for now, this is a huge hack.
- if (InputFilenames.size() >= 3 && InputFilenames[0] == "rc" &&
- OutputFilename == "-") {
- BaseArg = 2;
- OutputFilename = InputFilenames[1];
- }
-
std::auto_ptr<Module> Composite(LoadFile(InputFilenames[BaseArg]));
if (Composite.get() == 0) return 1;
std::auto_ptr<Module> M(LoadFile(InputFilenames[i]));
if (M.get() == 0) return 1;
- if (Verbose) cerr << "Linking in '" << InputFilenames[i] << "'\n";
+ if (Verbose) std::cerr << "Linking in '" << InputFilenames[i] << "'\n";
if (LinkModules(Composite.get(), M.get(), &ErrorMessage)) {
- cerr << argv[0] << ": error linking in '" << InputFilenames[i] << "': "
- << ErrorMessage << "\n";
+ std::cerr << argv[0] << ": error linking in '" << InputFilenames[i]
+ << "': " << ErrorMessage << "\n";
return 1;
}
}
- if (DumpAsm) cerr << "Here's the assembly:\n" << Composite.get();
+ if (DumpAsm) std::cerr << "Here's the assembly:\n" << Composite.get();
std::ostream *Out = &std::cout; // Default to printing to stdout...
if (OutputFilename != "-") {
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
- cerr << argv[0] << ": error opening '" << OutputFilename
- << "': file exists!\n"
- << "Use -f command line argument to force output\n";
+ std::cerr << argv[0] << ": error opening '" << OutputFilename
+ << "': file exists!\n"
+ << "Use -f command line argument to force output\n";
return 1;
}
Out = new std::ofstream(OutputFilename.c_str());
if (!Out->good()) {
- cerr << argv[0] << ": error opening '" << OutputFilename << "'!\n";
+ std::cerr << argv[0] << ": error opening '" << OutputFilename << "'!\n";
return 1;
}
- // Make sure that the Out file gets unlink'd from the disk if we get a
+ // Make sure that the Out file gets unlinked from the disk if we get a
// SIGINT
RemoveFileOnSignal(OutputFilename);
}
- if (Verbose) cerr << "Writing bytecode...\n";
+ if (verifyModule(*Composite.get())) {
+ std::cerr << argv[0] << ": linked module is broken!\n";
+ return 1;
+ }
+
+ if (Verbose) std::cerr << "Writing bytecode...\n";
WriteBytecodeToFile(Composite.get(), *Out);
if (Out != &std::cout) delete Out;